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Code Issues Releases Wiki Activity

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Devan-Kerman
2020-08-29 19:32:53 -05:00
parent 30ab6bd045
commit fbcf26bdc9
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222
src/main/java/dan200/computercraft/ComputerCraft.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Paths;
import java.util.EnumSet;
import java.util.concurrent.TimeUnit;
import dan200.computercraft.api.filesystem.IMount;
import dan200.computercraft.api.turtle.event.TurtleAction;
import dan200.computercraft.client.proxy.ComputerCraftProxyClient;
import dan200.computercraft.core.apis.AddressPredicate;
import dan200.computercraft.core.apis.http.websocket.Websocket;
import dan200.computercraft.core.filesystem.ResourceMount;
import dan200.computercraft.shared.computer.blocks.BlockComputer;
import dan200.computercraft.shared.computer.core.ClientComputerRegistry;
import dan200.computercraft.shared.computer.core.ServerComputerRegistry;
import dan200.computercraft.shared.computer.items.ItemComputer;
import dan200.computercraft.shared.media.items.ItemDisk;
import dan200.computercraft.shared.media.items.ItemPrintout;
import dan200.computercraft.shared.media.items.ItemTreasureDisk;
import dan200.computercraft.shared.peripheral.diskdrive.BlockDiskDrive;
import dan200.computercraft.shared.peripheral.modem.wired.BlockCable;
import dan200.computercraft.shared.peripheral.modem.wired.BlockWiredModemFull;
import dan200.computercraft.shared.peripheral.modem.wired.ItemBlockCable;
import dan200.computercraft.shared.peripheral.modem.wireless.BlockWirelessModem;
import dan200.computercraft.shared.peripheral.monitor.BlockMonitor;
import dan200.computercraft.shared.peripheral.printer.BlockPrinter;
import dan200.computercraft.shared.peripheral.speaker.BlockSpeaker;
import dan200.computercraft.shared.pocket.items.ItemPocketComputer;
import dan200.computercraft.shared.pocket.peripherals.PocketModem;
import dan200.computercraft.shared.pocket.peripherals.PocketSpeaker;
import dan200.computercraft.shared.proxy.ComputerCraftProxyCommon;
import dan200.computercraft.shared.turtle.blocks.BlockTurtle;
import dan200.computercraft.shared.turtle.items.ItemTurtle;
import dan200.computercraft.shared.turtle.upgrades.TurtleAxe;
import dan200.computercraft.shared.turtle.upgrades.TurtleCraftingTable;
import dan200.computercraft.shared.turtle.upgrades.TurtleHoe;
import dan200.computercraft.shared.turtle.upgrades.TurtleModem;
import dan200.computercraft.shared.turtle.upgrades.TurtleShovel;
import dan200.computercraft.shared.turtle.upgrades.TurtleSpeaker;
import dan200.computercraft.shared.turtle.upgrades.TurtleSword;
import dan200.computercraft.shared.turtle.upgrades.TurtleTool;
import dan200.computercraft.shared.util.Config;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import net.minecraft.resource.ReloadableResourceManager;
import net.minecraft.util.Identifier;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.ModInitializer;
import net.fabricmc.loader.api.FabricLoader;
public final class ComputerCraft implements ModInitializer {
public static final String MOD_ID = "computercraft";
public static final int DATAFIXER_VERSION = 0;
// Configuration options
public static final String[] DEFAULT_HTTP_WHITELIST = new String[] {"*"};
public static final String[] DEFAULT_HTTP_BLACKLIST = new String[] {
"127.0.0.0/8",
"10.0.0.0/8",
"172.16.0.0/12",
"192.168.0.0/16",
"fd00::/8",
};
public static final int terminalWidth_computer = 51;
public static final int terminalHeight_computer = 19;
public static final int terminalWidth_turtle = 39;
public static final int terminalHeight_turtle = 13;
public static final int terminalWidth_pocketComputer = 26;
public static final int terminalHeight_pocketComputer = 20;
// Registries
public static final ClientComputerRegistry clientComputerRegistry = new ClientComputerRegistry();
public static final ServerComputerRegistry serverComputerRegistry = new ServerComputerRegistry();
// Logging
public static final Logger log = LogManager.getLogger(MOD_ID);
public static int computerSpaceLimit = 1000 * 1000;
public static int floppySpaceLimit = 125 * 1000;
public static int maximumFilesOpen = 128;
public static boolean disable_lua51_features = false;
public static String default_computer_settings = "";
public static boolean debug_enable = true;
public static boolean logPeripheralErrors = false;
public static int computer_threads = 1;
public static long maxMainGlobalTime = TimeUnit.MILLISECONDS.toNanos(10);
public static long maxMainComputerTime = TimeUnit.MILLISECONDS.toNanos(5);
public static boolean http_enable = true;
public static boolean http_websocket_enable = true;
public static AddressPredicate http_whitelist = new AddressPredicate(DEFAULT_HTTP_WHITELIST);
public static AddressPredicate http_blacklist = new AddressPredicate(DEFAULT_HTTP_BLACKLIST);
public static int httpTimeout = 30000;
public static int httpMaxRequests = 16;
public static long httpMaxDownload = 16 * 1024 * 1024;
public static long httpMaxUpload = 4 * 1024 * 1024;
public static int httpMaxWebsockets = 4;
public static int httpMaxWebsocketMessage = Websocket.MAX_MESSAGE_SIZE;
public static boolean enableCommandBlock = false;
public static int modem_range = 64;
public static int modem_highAltitudeRange = 384;
public static int modem_rangeDuringStorm = 64;
public static int modem_highAltitudeRangeDuringStorm = 384;
public static int maxNotesPerTick = 8;
public static boolean turtlesNeedFuel = true;
public static int turtleFuelLimit = 20000;
public static int advancedTurtleFuelLimit = 100000;
public static boolean turtlesObeyBlockProtection = true;
public static boolean turtlesCanPush = true;
public static EnumSet<TurtleAction> turtleDisabledActions = EnumSet.noneOf(TurtleAction.class);
// Implementation
public static ComputerCraft instance;
public ComputerCraft() {
instance = this;
}
public static String getVersion() {
return "${version}";
}
static IMount createResourceMount(String domain, String subPath) {
ReloadableResourceManager manager = ComputerCraftProxyCommon.getServer()
.getDataManager();
ResourceMount mount = new ResourceMount(domain, subPath, manager);
return mount.exists("") ? mount : null;
}
public static InputStream getResourceFile(String domain, String subPath) {
ReloadableResourceManager manager = ComputerCraftProxyCommon.getServer()
.getDataManager();
try {
return manager.getResource(new Identifier(domain, subPath))
.getInputStream();
} catch (IOException ignored) {
return null;
}
}
@Override
public void onInitialize() {
Config.load(Paths.get(FabricLoader.getInstance()
.getConfigDirectory()
.getPath(), MOD_ID + ".json5"));
ComputerCraftProxyCommon.setup();
if (FabricLoader.getInstance()
.getEnvironmentType() == EnvType.CLIENT) {
ComputerCraftProxyClient.setup();
}
}
// Blocks and Items
public static final class Blocks {
public static BlockComputer computerNormal;
public static BlockComputer computerAdvanced;
public static BlockComputer computerCommand;
public static BlockTurtle turtleNormal;
public static BlockTurtle turtleAdvanced;
public static BlockSpeaker speaker;
public static BlockDiskDrive diskDrive;
public static BlockPrinter printer;
public static BlockMonitor monitorNormal;
public static BlockMonitor monitorAdvanced;
public static BlockWirelessModem wirelessModemNormal;
public static BlockWirelessModem wirelessModemAdvanced;
public static BlockWiredModemFull wiredModemFull;
public static BlockCable cable;
}
public static final class Items {
public static ItemComputer computerNormal;
public static ItemComputer computerAdvanced;
public static ItemComputer computerCommand;
public static ItemPocketComputer pocketComputerNormal;
public static ItemPocketComputer pocketComputerAdvanced;
public static ItemTurtle turtleNormal;
public static ItemTurtle turtleAdvanced;
public static ItemDisk disk;
public static ItemTreasureDisk treasureDisk;
public static ItemPrintout printedPage;
public static ItemPrintout printedPages;
public static ItemPrintout printedBook;
public static ItemBlockCable.Cable cable;
public static ItemBlockCable.WiredModem wiredModem;
}
public static final class TurtleUpgrades {
public static TurtleModem wirelessModemNormal;
public static TurtleModem wirelessModemAdvanced;
public static TurtleSpeaker speaker;
public static TurtleCraftingTable craftingTable;
public static TurtleSword diamondSword;
public static TurtleShovel diamondShovel;
public static TurtleTool diamondPickaxe;
public static TurtleAxe diamondAxe;
public static TurtleHoe diamondHoe;
}
public static final class PocketUpgrades {
public static PocketModem wirelessModemNormal;
public static PocketModem wirelessModemAdvanced;
public static PocketSpeaker speaker;
}
}

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src/main/java/dan200/computercraft/ComputerCraftAPIImpl.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft;
import java.io.File;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import dan200.computercraft.api.ComputerCraftAPI.IComputerCraftAPI;
import dan200.computercraft.api.filesystem.IMount;
import dan200.computercraft.api.filesystem.IWritableMount;
import dan200.computercraft.api.lua.ILuaAPIFactory;
import dan200.computercraft.api.media.IMediaProvider;
import dan200.computercraft.api.network.IPacketNetwork;
import dan200.computercraft.api.network.wired.IWiredElement;
import dan200.computercraft.api.network.wired.IWiredNode;
import dan200.computercraft.api.peripheral.IPeripheralProvider;
import dan200.computercraft.api.pocket.IPocketUpgrade;
import dan200.computercraft.api.redstone.IBundledRedstoneProvider;
import dan200.computercraft.api.turtle.ITurtleUpgrade;
import dan200.computercraft.core.apis.ApiFactories;
import dan200.computercraft.core.filesystem.FileMount;
import dan200.computercraft.shared.BundledRedstone;
import dan200.computercraft.shared.MediaProviders;
import dan200.computercraft.shared.Peripherals;
import dan200.computercraft.shared.PocketUpgrades;
import dan200.computercraft.shared.TurtleUpgrades;
import dan200.computercraft.shared.peripheral.modem.wired.TileCable;
import dan200.computercraft.shared.peripheral.modem.wired.TileWiredModemFull;
import dan200.computercraft.shared.peripheral.modem.wireless.WirelessNetwork;
import dan200.computercraft.shared.util.IDAssigner;
import dan200.computercraft.shared.wired.WiredNode;
import net.minecraft.block.entity.BlockEntity;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.Direction;
import net.minecraft.world.BlockView;
import net.minecraft.world.World;
public final class ComputerCraftAPIImpl implements IComputerCraftAPI {
public static final ComputerCraftAPIImpl INSTANCE = new ComputerCraftAPIImpl();
private ComputerCraftAPIImpl() {
}
@Nonnull
@Override
public String getInstalledVersion() {
return "${version}";
}
@Override
public int createUniqueNumberedSaveDir(@Nonnull World world, @Nonnull String parentSubPath) {
return IDAssigner.getNextId(world, parentSubPath);
}
@Override
public IWritableMount createSaveDirMount(@Nonnull World world, @Nonnull String subPath, long capacity) {
try {
return new FileMount(new File(IDAssigner.getDir(world), subPath), capacity);
} catch (Exception e) {
return null;
}
}
@Override
public IMount createResourceMount(@Nonnull String domain, @Nonnull String subPath) {
return ComputerCraft.createResourceMount(domain, subPath);
}
@Override
public void registerPeripheralProvider(@Nonnull IPeripheralProvider provider) {
Peripherals.register(provider);
}
@Override
public void registerTurtleUpgrade(@Nonnull ITurtleUpgrade upgrade) {
TurtleUpgrades.register(upgrade);
}
@Override
public void registerBundledRedstoneProvider(@Nonnull IBundledRedstoneProvider provider) {
BundledRedstone.register(provider);
}
@Override
public int getBundledRedstoneOutput(@Nonnull World world, @Nonnull BlockPos pos, @Nonnull Direction side) {
return BundledRedstone.getDefaultOutput(world, pos, side);
}
@Override
public void registerMediaProvider(@Nonnull IMediaProvider provider) {
MediaProviders.register(provider);
}
@Override
public void registerPocketUpgrade(@Nonnull IPocketUpgrade upgrade) {
PocketUpgrades.register(upgrade);
}
@Nonnull
@Override
public IPacketNetwork getWirelessNetwork() {
return WirelessNetwork.getUniversal();
}
@Override
public void registerAPIFactory(@Nonnull ILuaAPIFactory factory) {
ApiFactories.register(factory);
}
@Nonnull
@Override
public IWiredNode createWiredNodeForElement(@Nonnull IWiredElement element) {
return new WiredNode(element);
}
@Nullable
@Override
public IWiredElement getWiredElementAt(@Nonnull BlockView world, @Nonnull BlockPos pos, @Nonnull Direction side) {
BlockEntity tile = world.getBlockEntity(pos);
if (tile instanceof TileCable) {
return ((TileCable) tile).getElement(side);
} else if (tile instanceof TileWiredModemFull) {
return ((TileWiredModemFull) tile).getElement();
}
return null;
}
}

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src/main/java/dan200/computercraft/api/AbstractTurtleUpgrade.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.api;
import javax.annotation.Nonnull;
import dan200.computercraft.api.turtle.ITurtleUpgrade;
import dan200.computercraft.api.turtle.TurtleUpgradeType;
import net.minecraft.item.ItemConvertible;
import net.minecraft.item.ItemStack;
import net.minecraft.util.Identifier;
import net.minecraft.util.Util;
/**
* A base class for {@link ITurtleUpgrade}s.
*
* One does not have to use this, but it does provide a convenient template.
*/
public abstract class AbstractTurtleUpgrade implements ITurtleUpgrade {
private final Identifier id;
private final TurtleUpgradeType type;
private final String adjective;
private final ItemStack stack;
protected AbstractTurtleUpgrade(Identifier id, TurtleUpgradeType type, String adjective, ItemConvertible item) {
this(id, type, adjective, new ItemStack(item));
}
protected AbstractTurtleUpgrade(Identifier id, TurtleUpgradeType type, String adjective, ItemStack stack) {
this.id = id;
this.type = type;
this.adjective = adjective;
this.stack = stack;
}
protected AbstractTurtleUpgrade(Identifier id, TurtleUpgradeType type, ItemConvertible item) {
this(id, type, new ItemStack(item));
}
protected AbstractTurtleUpgrade(Identifier id, TurtleUpgradeType type, ItemStack stack) {
this(id, type, Util.createTranslationKey("upgrade", id) + ".adjective", stack);
}
@Nonnull
@Override
public final Identifier getUpgradeID() {
return this.id;
}
@Nonnull
@Override
public final String getUnlocalisedAdjective() {
return this.adjective;
}
@Nonnull
@Override
public final TurtleUpgradeType getType() {
return this.type;
}
@Nonnull
@Override
public final ItemStack getCraftingItem() {
return this.stack;
}
}

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src/main/java/dan200/computercraft/api/ComputerCraftAPI.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import dan200.computercraft.api.filesystem.IMount;
import dan200.computercraft.api.filesystem.IWritableMount;
import dan200.computercraft.api.lua.ILuaAPIFactory;
import dan200.computercraft.api.media.IMedia;
import dan200.computercraft.api.media.IMediaProvider;
import dan200.computercraft.api.network.IPacketNetwork;
import dan200.computercraft.api.network.wired.IWiredElement;
import dan200.computercraft.api.network.wired.IWiredNode;
import dan200.computercraft.api.peripheral.IComputerAccess;
import dan200.computercraft.api.peripheral.IPeripheral;
import dan200.computercraft.api.peripheral.IPeripheralProvider;
import dan200.computercraft.api.pocket.IPocketUpgrade;
import dan200.computercraft.api.redstone.IBundledRedstoneProvider;
import dan200.computercraft.api.turtle.ITurtleUpgrade;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.Direction;
import net.minecraft.world.BlockView;
import net.minecraft.world.World;
/**
* The static entry point to the ComputerCraft API. Members in this class must be called after mod_ComputerCraft has been initialised, but may be called
* before it is fully loaded.
*/
public final class ComputerCraftAPI {
private static IComputerCraftAPI instance;
@Nonnull
public static String getInstalledVersion() {
return getInstance().getInstalledVersion();
}
@Nonnull
private static IComputerCraftAPI getInstance() {
if (instance != null) {
return instance;
}
try {
return instance = (IComputerCraftAPI) Class.forName("dan200.computercraft.ComputerCraftAPIImpl")
.getField("INSTANCE")
.get(null);
} catch (ReflectiveOperationException e) {
throw new IllegalStateException("Cannot find ComputerCraft API", e);
}
}
@Nonnull
public static String getAPIVersion() {
return "${version}";
}
/**
* Creates a numbered directory in a subfolder of the save directory for a given world, and returns that number.
*
* Use in conjunction with createSaveDirMount() to create a unique place for your peripherals or media items to store files.
*
* @param world The world for which the save dir should be created. This should be the server side world object.
* @param parentSubPath The folder path within the save directory where the new directory should be created. eg: "computercraft/disk"
* @return The numerical value of the name of the new folder, or -1 if the folder could not be created for some reason.
*
* eg: if createUniqueNumberedSaveDir( world, "computer/disk" ) was called returns 42, then "computer/disk/42" is now available for writing.
* @see #createSaveDirMount(World, String, long)
*/
public static int createUniqueNumberedSaveDir(@Nonnull World world, @Nonnull String parentSubPath) {
return getInstance().createUniqueNumberedSaveDir(world, parentSubPath);
}
/**
* Creates a file system mount that maps to a subfolder of the save directory for a given world, and returns it.
*
* Use in conjunction with IComputerAccess.mount() or IComputerAccess.mountWritable() to mount a folder from the users save directory onto a computers
* file system.
*
* @param world The world for which the save dir can be found. This should be the server side world object.
* @param subPath The folder path within the save directory that the mount should map to. eg: "computer/disk/42". Use createUniqueNumberedSaveDir()
* to create a new numbered folder to use.
* @param capacity The amount of data that can be stored in the directory before it fills up, in bytes.
* @return The mount, or null if it could be created for some reason. Use IComputerAccess.mount() or IComputerAccess.mountWritable() to mount this on a
* Computers' file system.
* @see #createUniqueNumberedSaveDir(World, String)
* @see IComputerAccess#mount(String, IMount)
* @see IComputerAccess#mountWritable(String, IWritableMount)
* @see IMount
* @see IWritableMount
*/
@Nullable
public static IWritableMount createSaveDirMount(@Nonnull World world, @Nonnull String subPath, long capacity) {
return getInstance().createSaveDirMount(world, subPath, capacity);
}
/**
* Creates a file system mount to a resource folder, and returns it.
*
* Use in conjunction with {@link IComputerAccess#mount} or {@link IComputerAccess#mountWritable} to mount a resource folder onto a computer's file
* system.
*
* The files in this mount will be a combination of files in all mod jar, and data packs that contain resources with the same domain and path.
*
* @param domain The domain under which to look for resources. eg: "mymod".
* @param subPath The subPath under which to look for resources. eg: "lua/myfiles".
* @return The mount, or {@code null} if it could be created for some reason.
* @see IComputerAccess#mount(String, IMount)
* @see IComputerAccess#mountWritable(String, IWritableMount)
* @see IMount
*/
@Nullable
public static IMount createResourceMount(@Nonnull String domain, @Nonnull String subPath) {
return getInstance().createResourceMount(domain, subPath);
}
/**
* Creates a file system mount to a resource folder, and returns it.
*
* Use in conjunction with {@link IComputerAccess#mount} or {@link IComputerAccess#mountWritable} to mount a resource folder onto a computer's file
* system.
*
* The files in this mount will be a combination of files in all mod jar, and data packs that contain resources with the same domain and path.
*
* @param klass The mod class to which the files belong.
* @param domain The domain under which to look for resources. eg: "mymod".
* @param subPath The subPath under which to look for resources. eg: "lua/myfiles".
* @return The mount, or {@code null} if it could be created for some reason.
* @see IComputerAccess#mount(String, IMount)
* @see IComputerAccess#mountWritable(String, IWritableMount)
* @see IMount
* @deprecated Use {@link #createResourceMount(String, String)} instead.
*/
@Nullable
@Deprecated
public static IMount createResourceMount(Class<?> klass, @Nonnull String domain, @Nonnull String subPath) {
return getInstance().createResourceMount(domain, subPath);
}
/**
* Registers a peripheral provider to convert blocks into {@link IPeripheral} implementations.
*
* @param provider The peripheral provider to register.
* @see IPeripheral
* @see IPeripheralProvider
*/
public static void registerPeripheralProvider(@Nonnull IPeripheralProvider provider) {
getInstance().registerPeripheralProvider(provider);
}
/**
* Registers a new turtle turtle for use in ComputerCraft. After calling this, users should be able to craft Turtles with your new turtle. It is
* recommended to call this during the load() method of your mod.
*
* @param upgrade The turtle upgrade to register.
* @see ITurtleUpgrade
*/
public static void registerTurtleUpgrade(@Nonnull ITurtleUpgrade upgrade) {
getInstance().registerTurtleUpgrade(upgrade);
}
/**
* Registers a bundled redstone provider to provide bundled redstone output for blocks.
*
* @param provider The bundled redstone provider to register.
* @see IBundledRedstoneProvider
*/
public static void registerBundledRedstoneProvider(@Nonnull IBundledRedstoneProvider provider) {
getInstance().registerBundledRedstoneProvider(provider);
}
/**
* If there is a Computer or Turtle at a certain position in the world, get it's bundled redstone output.
*
* @param world The world this block is in.
* @param pos The position this block is at.
* @param side The side to extract the bundled redstone output from.
* @return If there is a block capable of emitting bundled redstone at the location, it's signal (0-65535) will be returned. If there is no block
* capable of emitting bundled redstone at the location, -1 will be returned.
* @see IBundledRedstoneProvider
*/
public static int getBundledRedstoneOutput(@Nonnull World world, @Nonnull BlockPos pos, @Nonnull Direction side) {
return getInstance().getBundledRedstoneOutput(world, pos, side);
}
/**
* Registers a media provider to provide {@link IMedia} implementations for Items
*
* @param provider The media provider to register.
* @see IMediaProvider
*/
public static void registerMediaProvider(@Nonnull IMediaProvider provider) {
getInstance().registerMediaProvider(provider);
}
public static void registerPocketUpgrade(@Nonnull IPocketUpgrade upgrade) {
getInstance().registerPocketUpgrade(upgrade);
}
/**
* Attempt to get the game-wide wireless network.
*
* @return The global wireless network, or {@code null} if it could not be fetched.
*/
public static IPacketNetwork getWirelessNetwork() {
return getInstance().getWirelessNetwork();
}
public static void registerAPIFactory(@Nonnull ILuaAPIFactory factory) {
getInstance().registerAPIFactory(factory);
}
/**
* Construct a new wired node for a given wired element
*
* @param element The element to construct it for
* @return The element's node
* @see IWiredElement#getNode()
*/
@Nonnull
public static IWiredNode createWiredNodeForElement(@Nonnull IWiredElement element) {
return getInstance().createWiredNodeForElement(element);
}
/**
* Get the wired network element for a block in world
*
* @param world The world the block exists in
* @param pos The position the block exists in
* @param side The side to extract the network element from
* @return The element's node
* @see IWiredElement#getNode()
*/
@Nullable
public static IWiredElement getWiredElementAt(@Nonnull BlockView world, @Nonnull BlockPos pos, @Nonnull Direction side) {
return getInstance().getWiredElementAt(world, pos, side);
}
public interface IComputerCraftAPI {
@Nonnull
String getInstalledVersion();
int createUniqueNumberedSaveDir(@Nonnull World world, @Nonnull String parentSubPath);
@Nullable
IWritableMount createSaveDirMount(@Nonnull World world, @Nonnull String subPath, long capacity);
@Nullable
IMount createResourceMount(@Nonnull String domain, @Nonnull String subPath);
void registerPeripheralProvider(@Nonnull IPeripheralProvider provider);
void registerTurtleUpgrade(@Nonnull ITurtleUpgrade upgrade);
void registerBundledRedstoneProvider(@Nonnull IBundledRedstoneProvider provider);
int getBundledRedstoneOutput(@Nonnull World world, @Nonnull BlockPos pos, @Nonnull Direction side);
void registerMediaProvider(@Nonnull IMediaProvider provider);
void registerPocketUpgrade(@Nonnull IPocketUpgrade upgrade);
@Nonnull
IPacketNetwork getWirelessNetwork();
void registerAPIFactory(@Nonnull ILuaAPIFactory factory);
@Nonnull
IWiredNode createWiredNodeForElement(@Nonnull IWiredElement element);
@Nullable
IWiredElement getWiredElementAt(@Nonnull BlockView world, @Nonnull BlockPos pos, @Nonnull Direction side);
}
}

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src/main/java/dan200/computercraft/api/filesystem/IFileSystem.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.filesystem;
import java.io.IOException;
/**
* Provides a mount of the entire computer's file system.
*
* This exists for use by various APIs - one should not attempt to mount it.
*/
public interface IFileSystem extends IWritableMount {
/**
* Combine two paths together, reducing them into a normalised form.
*
* @param path The main path.
* @param child The path to append.
* @return The combined, normalised path.
*/
String combine(String path, String child);
/**
* Copy files from one location to another.
*
* @param from The location to copy from.
* @param to The location to copy to. This should not exist.
* @throws IOException If the copy failed.
*/
void copy(String from, String to) throws IOException;
/**
* Move files from one location to another.
*
* @param from The location to move from.
* @param to The location to move to. This should not exist.
* @throws IOException If the move failed.
*/
void move(String from, String to) throws IOException;
}

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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.filesystem;
import java.io.IOException;
import java.io.InputStream;
import java.nio.channels.Channels;
import java.nio.channels.ReadableByteChannel;
import java.util.List;
import javax.annotation.Nonnull;
import dan200.computercraft.api.ComputerCraftAPI;
import dan200.computercraft.api.peripheral.IComputerAccess;
import net.minecraft.world.World;
/**
* Represents a read only part of a virtual filesystem that can be mounted onto a computer using {@link IComputerAccess#mount(String, IMount)}
*
* Ready made implementations of this interface can be created using {@link ComputerCraftAPI#createSaveDirMount(World, String, long)} or {@link
* ComputerCraftAPI#createResourceMount(Class, String, String)}, or you're free to implement it yourselves!
*
* @see ComputerCraftAPI#createSaveDirMount(World, String, long)
* @see ComputerCraftAPI#createResourceMount(Class, String, String)
* @see IComputerAccess#mount(String, IMount)
* @see IWritableMount
*/
public interface IMount {
/**
* Returns whether a file with a given path exists or not.
*
* @param path A file path in normalised format, relative to the mount location. ie: "programs/myprogram"
* @return If the file exists.
* @throws IOException If an error occurs when checking the existence of the file.
*/
boolean exists(@Nonnull String path) throws IOException;
/**
* Returns whether a file with a given path is a directory or not.
*
* @param path A file path in normalised format, relative to the mount location. ie: "programs/myprograms".
* @return If the file exists and is a directory
* @throws IOException If an error occurs when checking whether the file is a directory.
*/
boolean isDirectory(@Nonnull String path) throws IOException;
/**
* Returns the file names of all the files in a directory.
*
* @param path A file path in normalised format, relative to the mount location. ie: "programs/myprograms".
* @param contents A list of strings. Add all the file names to this list.
* @throws IOException If the file was not a directory, or could not be listed.
*/
void list(@Nonnull String path, @Nonnull List<String> contents) throws IOException;
/**
* Returns the size of a file with a given path, in bytes
*
* @param path A file path in normalised format, relative to the mount location. ie: "programs/myprogram".
* @return The size of the file, in bytes.
* @throws IOException If the file does not exist, or its size could not be determined.
*/
long getSize(@Nonnull String path) throws IOException;
/**
* Opens a file with a given path, and returns an {@link ReadableByteChannel} representing its contents.
*
* @param path A file path in normalised format, relative to the mount location. ie: "programs/myprogram".
* @return A channel representing the contents of the file. If the channel implements {@link java.nio.channels.SeekableByteChannel}, one will be able to
* seek to arbitrary positions when using binary mode.
* @throws IOException If the file does not exist, or could not be opened.
*/
@Nonnull
@SuppressWarnings ("deprecation")
default ReadableByteChannel openChannelForRead(@Nonnull String path) throws IOException {
return Channels.newChannel(this.openForRead(path));
}
/**
* Opens a file with a given path, and returns an {@link InputStream} representing its contents.
*
* @param path A file path in normalised format, relative to the mount location. ie: "programs/myprogram".
* @return A stream representing the contents of the file.
* @throws IOException If the file does not exist, or could not be opened.
* @deprecated Use {@link #openChannelForRead(String)} instead
*/
@Nonnull
@Deprecated
InputStream openForRead(@Nonnull String path) throws IOException;
}

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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.filesystem;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.channels.Channels;
import java.nio.channels.WritableByteChannel;
import javax.annotation.Nonnull;
import dan200.computercraft.api.ComputerCraftAPI;
import dan200.computercraft.api.peripheral.IComputerAccess;
import net.minecraft.world.World;
/**
* Represents a part of a virtual filesystem that can be mounted onto a computer using {@link IComputerAccess#mount(String, IMount)} or {@link
* IComputerAccess#mountWritable(String, IWritableMount)}, that can also be written to.
*
* Ready made implementations of this interface can be created using {@link ComputerCraftAPI#createSaveDirMount(World, String, long)}, or you're free to
* implement it yourselves!
*
* @see ComputerCraftAPI#createSaveDirMount(World, String, long)
* @see IComputerAccess#mount(String, IMount)
* @see IComputerAccess#mountWritable(String, IWritableMount)
* @see IMount
*/
public interface IWritableMount extends IMount {
/**
* Creates a directory at a given path inside the virtual file system.
*
* @param path A file path in normalised format, relative to the mount location. ie: "programs/mynewprograms".
* @throws IOException If the directory already exists or could not be created.
*/
void makeDirectory(@Nonnull String path) throws IOException;
/**
* Deletes a directory at a given path inside the virtual file system.
*
* @param path A file path in normalised format, relative to the mount location. ie: "programs/myoldprograms".
* @throws IOException If the file does not exist or could not be deleted.
*/
void delete(@Nonnull String path) throws IOException;
/**
* Opens a file with a given path, and returns an {@link OutputStream} for writing to it.
*
* @param path A file path in normalised format, relative to the mount location. ie: "programs/myprogram".
* @return A stream for writing to. If the channel implements {@link java.nio.channels.SeekableByteChannel}, one will be able to seek to arbitrary
* positions when using binary mode.
* @throws IOException If the file could not be opened for writing.
*/
@Nonnull
@SuppressWarnings ("deprecation")
default WritableByteChannel openChannelForWrite(@Nonnull String path) throws IOException {
return Channels.newChannel(this.openForWrite(path));
}
/**
* Opens a file with a given path, and returns an {@link OutputStream} for writing to it.
*
* @param path A file path in normalised format, relative to the mount location. ie: "programs/myprogram".
* @return A stream for writing to
* @throws IOException If the file could not be opened for writing.
* @deprecated Use {@link #openChannelForWrite(String)} instead.
*/
@Nonnull
@Deprecated
OutputStream openForWrite(@Nonnull String path) throws IOException;
/**
* Opens a file with a given path, and returns an {@link OutputStream} for appending to it.
*
* @param path A file path in normalised format, relative to the mount location. ie: "programs/myprogram".
* @return A stream for writing to. If the channel implements {@link java.nio.channels.SeekableByteChannel}, one will be able to seek to arbitrary
* positions when using binary mode.
* @throws IOException If the file could not be opened for writing.
*/
@Nonnull
@SuppressWarnings ("deprecation")
default WritableByteChannel openChannelForAppend(@Nonnull String path) throws IOException {
return Channels.newChannel(this.openForAppend(path));
}
/**
* Opens a file with a given path, and returns an {@link OutputStream} for appending to it.
*
* @param path A file path in normalised format, relative to the mount location. ie: "programs/myprogram".
* @return A stream for writing to.
* @throws IOException If the file could not be opened for writing.
* @deprecated Use {@link #openChannelForAppend(String)} instead.
*/
@Nonnull
@Deprecated
OutputStream openForAppend(@Nonnull String path) throws IOException;
/**
* Get the amount of free space on the mount, in bytes. You should decrease this value as the user writes to the mount, and write operations should fail
* once it reaches zero.
*
* @return The amount of free space, in bytes.
* @throws IOException If the remaining space could not be computed.
*/
long getRemainingSpace() throws IOException;
}

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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.lua;
import javax.annotation.Nullable;
import dan200.computercraft.api.filesystem.IFileSystem;
import dan200.computercraft.api.peripheral.IComputerAccess;
/**
* An interface passed to {@link ILuaAPIFactory} in order to provide additional information about a computer.
*/
public interface IComputerSystem extends IComputerAccess {
/**
* Get the file system for this computer.
*
* @return The computer's file system, or {@code null} if it is not initialised.
*/
@Nullable
IFileSystem getFileSystem();
/**
* Get the label for this computer
*
* @return This computer's label, or {@code null} if it is not set.
*/
@Nullable
String getLabel();
}

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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.lua;
import dan200.computercraft.api.ComputerCraftAPI;
/**
* Represents a {@link ILuaObject} which is stored as a global variable on computer startup.
*
* Before implementing this interface, consider alternative methods of providing methods. It is generally preferred to use peripherals to provide
* functionality to users.
*
* @see ILuaAPIFactory
* @see ComputerCraftAPI#registerAPIFactory(ILuaAPIFactory)
*/
public interface ILuaAPI extends ILuaObject {
/**
* Get the globals this API will be assigned to. This will override any other global, so you should
*
* @return A list of globals this API will be assigned to.
*/
String[] getNames();
/**
* Called when the computer is turned on.
*
* One should only interact with the file system.
*/
default void startup() {
}
/**
* Called every time the computer is ticked. This can be used to process various.
*/
default void update() {
}
/**
* Called when the computer is turned off or unloaded.
*
* This should reset the state of the object, disposing any remaining file handles, or other resources.
*/
default void shutdown() {
}
}

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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.lua;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import dan200.computercraft.api.ComputerCraftAPI;
/**
* Construct an {@link ILuaAPI} for a specific computer.
*
* @see ILuaAPI
* @see ComputerCraftAPI#registerAPIFactory(ILuaAPIFactory)
*/
@FunctionalInterface
public interface ILuaAPIFactory {
/**
* Create a new API instance for a given computer.
*
* @param computer The computer this API is for.
* @return The created API, or {@code null} if one should not be injected.
*/
@Nullable
ILuaAPI create(@Nonnull IComputerSystem computer);
}

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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.lua;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
/**
* An interface passed to peripherals and {@link ILuaObject}s by computers or turtles, providing methods that allow the peripheral call to wait for events
* before returning, just like in lua. This is very useful if you need to signal work to be performed on the main thread, and don't want to return until the
* work has been completed.
*/
public interface ILuaContext {
/**
* Wait for an event to occur on the computer, suspending the thread until it arises. This method is exactly equivalent to {@code os.pullEvent()} in
* lua.
*
* @param filter A specific event to wait for, or null to wait for any event.
* @return An object array containing the name of the event that occurred, and any event parameters.
* @throws LuaException If the user presses CTRL+T to terminate the current program while pullEvent() is waiting for an event, a "Terminated"
* exception will be thrown here.
*
* Do not attempt to catch this exception. You should use {@link #pullEventRaw(String)} should you wish to disable termination.
* @throws InterruptedException If the user shuts down or reboots the computer while pullEvent() is waiting for an event, InterruptedException will
* be thrown. This exception must not be caught or intercepted, or the computer will leak memory and end up in a broken state.
*/
@Nonnull
default Object[] pullEvent(@Nullable String filter) throws LuaException, InterruptedException {
Object[] results = this.pullEventRaw(filter);
if (results.length >= 1 && results[0].equals("terminate")) {
throw new LuaException("Terminated", 0);
}
return results;
}
/**
* The same as {@link #pullEvent(String)}, except "terminated" events are ignored. Only use this if you want to prevent program termination, which is
* not recommended. This method is exactly equivalent to {@code os.pullEventRaw()} in lua.
*
* @param filter A specific event to wait for, or null to wait for any event.
* @return An object array containing the name of the event that occurred, and any event parameters.
* @throws InterruptedException If the user shuts down or reboots the computer while pullEventRaw() is waiting for an event, InterruptedException
* will be thrown. This exception must not be caught or intercepted, or the computer will leak memory and end up in a broken state.
* @see #pullEvent(String)
*/
@Nonnull
default Object[] pullEventRaw(@Nullable String filter) throws InterruptedException {
return this.yield(new Object[] {filter});
}
/**
* Yield the current coroutine with some arguments until it is resumed. This method is exactly equivalent to {@code coroutine.yield()} in lua. Use
* {@code pullEvent()} if you wish to wait for events.
*
* @param arguments An object array containing the arguments to pass to coroutine.yield()
* @return An object array containing the return values from coroutine.yield()
* @throws InterruptedException If the user shuts down or reboots the computer the coroutine is suspended, InterruptedException will be thrown. This
* exception must not be caught or intercepted, or the computer will leak memory and end up in a broken state.
* @see #pullEvent(String)
*/
@Nonnull
Object[] yield(@Nullable Object[] arguments) throws InterruptedException;
/**
* Queue a task to be executed on the main server thread at the beginning of next tick, waiting for it to complete. This should be used when you need to
* interact with the world in a thread-safe manner.
*
* Note that the return values of your task are handled as events, meaning more complex objects such as maps or {@link ILuaObject} will not preserve
* their identities.
*
* @param task The task to execute on the main thread.
* @return The objects returned by {@code task}.
* @throws LuaException If the task could not be queued, or if the task threw an exception.
* @throws InterruptedException If the user shuts down or reboots the computer the coroutine is suspended, InterruptedException will be thrown. This
* exception must not be caught or intercepted, or the computer will leak memory and end up in a broken state.
*/
@Nullable
Object[] executeMainThreadTask(@Nonnull ILuaTask task) throws LuaException, InterruptedException;
/**
* Queue a task to be executed on the main server thread at the beginning of next tick, but do not wait for it to complete. This should be used when you
* need to interact with the world in a thread-safe manner but do not care about the result or you wish to run asynchronously.
*
* When the task has finished, it will enqueue a {@code task_completed} event, which takes the task id, a success value and the return values, or an
* error message if it failed. If you need to wait on this event, it may be better to use {@link #executeMainThreadTask(ILuaTask)}.
*
* @param task The task to execute on the main thread.
* @return The "id" of the task. This will be the first argument to the {@code task_completed} event.
* @throws LuaException If the task could not be queued.
*/
long issueMainThreadTask(@Nonnull ILuaTask task) throws LuaException;
}

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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.lua;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import dan200.computercraft.api.peripheral.IComputerAccess;
import dan200.computercraft.api.peripheral.IPeripheral;
/**
* An interface for representing custom objects returned by {@link IPeripheral#callMethod(IComputerAccess, ILuaContext, int, Object[])} calls.
*
* Return objects implementing this interface to expose objects with methods to lua.
*/
public interface ILuaObject {
/**
* Get the names of the methods that this object implements. This works the same as {@link IPeripheral#getMethodNames()}. See that method for detailed
* documentation.
*
* @return The method names this object provides.
* @see IPeripheral#getMethodNames()
*/
@Nonnull
String[] getMethodNames();
/**
* Called when a user calls one of the methods that this object implements. This works the same as {@link IPeripheral#callMethod(IComputerAccess,
* ILuaContext, int, Object[])}}. See that method for detailed documentation.
*
* @param context The context of the currently running lua thread. This can be used to wait for events or otherwise yield.
* @param method An integer identifying which of the methods from getMethodNames() the computercraft wishes to call. The integer indicates the index
* into the getMethodNames() table that corresponds to the string passed into peripheral.call()
* @param arguments The arguments for this method. See {@link IPeripheral#callMethod(IComputerAccess, ILuaContext, int, Object[])} the possible
* values and conversion rules.
* @return An array of objects, representing the values you wish to return to the Lua program. See {@link IPeripheral#callMethod(IComputerAccess,
* ILuaContext, int, Object[])} for the valid values and conversion rules.
* @throws LuaException If the task could not be queued, or if the task threw an exception.
* @throws InterruptedException If the user shuts down or reboots the computer the coroutine is suspended, InterruptedException will be thrown. This
* exception must not be caught or intercepted, or the computer will leak memory and end up in a broken state.w
* @see IPeripheral#callMethod(IComputerAccess, ILuaContext, int, Object[])
*/
@Nullable
Object[] callMethod(@Nonnull ILuaContext context, int method, @Nonnull Object[] arguments) throws LuaException, InterruptedException;
}

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src/main/java/dan200/computercraft/api/lua/ILuaTask.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.lua;
import javax.annotation.Nullable;
/**
* A task which can be executed via {@link ILuaContext#executeMainThreadTask(ILuaTask)} or {@link ILuaContext#issueMainThreadTask(ILuaTask)}. This will be
* run on the main thread, at the beginning of the next tick.
*
* @see ILuaContext#executeMainThreadTask(ILuaTask)
* @see ILuaContext#issueMainThreadTask(ILuaTask)
*/
@FunctionalInterface
public interface ILuaTask {
/**
* Execute this task.
*
* @return The arguments to add to the {@code task_completed} event. These will be returned by {@link ILuaContext#executeMainThreadTask(ILuaTask)}.
* @throws LuaException If you throw any exception from this function, a lua error will be raised with the same message as your exception. Use this
* to throw appropriate errors if the wrong arguments are supplied to your method.
*/
@Nullable
Object[] execute() throws LuaException;
}

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src/main/java/dan200/computercraft/api/lua/LuaException.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.lua;
import javax.annotation.Nullable;
/**
* An exception representing an error in Lua, like that raised by the {@code error()} function.
*/
public class LuaException extends Exception {
private static final long serialVersionUID = -6136063076818512651L;
private final int level;
public LuaException() {
this("error", 1);
}
public LuaException(@Nullable String message, int level) {
super(message);
this.level = level;
}
public LuaException(@Nullable String message) {
this(message, 1);
}
/**
* The level this error is raised at. Level 1 is the function's caller, level 2 is that function's caller, and so on.
*
* @return The level to raise the error at.
*/
public int getLevel() {
return this.level;
}
}

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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.media;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import dan200.computercraft.api.filesystem.IMount;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.sound.SoundEvent;
import net.minecraft.world.World;
/**
* Represents an item that can be placed in a disk drive and used by a Computer.
*
* Implement this interface on your {@link Item} class to allow it to be used in the drive. Alternatively, register a {@link IMediaProvider}.
*/
public interface IMedia {
/**
* Get a string representing the label of this item. Will be called via {@code disk.getLabel()} in lua.
*
* @param stack The {@link ItemStack} to inspect.
* @return The label. ie: "Dan's Programs".
*/
@Nullable
String getLabel(@Nonnull ItemStack stack);
/**
* Set a string representing the label of this item. Will be called vi {@code disk.setLabel()} in lua.
*
* @param stack The {@link ItemStack} to modify.
* @param label The string to set the label to.
* @return true if the label was updated, false if the label may not be modified.
*/
default boolean setLabel(@Nonnull ItemStack stack, @Nullable String label) {
return false;
}
/**
* If this disk represents an item with audio (like a record), get the readable name of the audio track. ie: "Jonathan Coulton - Still Alive"
*
* @param stack The {@link ItemStack} to modify.
* @return The name, or null if this item does not represent an item with audio.
*/
@Nullable
default String getAudioTitle(@Nonnull ItemStack stack) {
return null;
}
/**
* If this disk represents an item with audio (like a record), get the resource name of the audio track to play.
*
* @param stack The {@link ItemStack} to modify.
* @return The name, or null if this item does not represent an item with audio.
*/
@Nullable
default SoundEvent getAudio(@Nonnull ItemStack stack) {
return null;
}
/**
* If this disk represents an item with data (like a floppy disk), get a mount representing it's contents. This will be mounted onto the filesystem of
* the computer while the media is in the disk drive.
*
* @param stack The {@link ItemStack} to modify.
* @param world The world in which the item and disk drive reside.
* @return The mount, or null if this item does not represent an item with data. If the mount returned also implements {@link
* dan200.computercraft.api.filesystem.IWritableMount}, it will mounted using mountWritable()
* @see IMount
* @see dan200.computercraft.api.filesystem.IWritableMount
* @see dan200.computercraft.api.ComputerCraftAPI#createSaveDirMount(World, String, long)
* @see dan200.computercraft.api.ComputerCraftAPI#createResourceMount(Class, String, String)
*/
@Nullable
default IMount createDataMount(@Nonnull ItemStack stack, @Nonnull World world) {
return null;
}
}

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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.media;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import net.minecraft.item.ItemStack;
/**
* This interface is used to provide {@link IMedia} implementations for {@link ItemStack}.
*
* @see dan200.computercraft.api.ComputerCraftAPI#registerMediaProvider(IMediaProvider)
*/
@FunctionalInterface
public interface IMediaProvider {
/**
* Produce an IMedia implementation from an ItemStack.
*
* @param stack The stack from which to extract the media information.
* @return An {@link IMedia} implementation, or {@code null} if the item is not something you wish to handle
* @see dan200.computercraft.api.ComputerCraftAPI#registerMediaProvider(IMediaProvider)
*/
@Nullable
IMedia getMedia(@Nonnull ItemStack stack);
}

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src/main/java/dan200/computercraft/api/network/IPacketNetwork.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.network;
import javax.annotation.Nonnull;
/**
* A packet network represents a collection of devices which can send and receive packets.
*
* @see Packet
* @see IPacketReceiver
*/
public interface IPacketNetwork {
/**
* Add a receiver to the network.
*
* @param receiver The receiver to register to the network.
*/
void addReceiver(@Nonnull IPacketReceiver receiver);
/**
* Remove a receiver from the network.
*
* @param receiver The device to remove from the network.
*/
void removeReceiver(@Nonnull IPacketReceiver receiver);
/**
* Determine whether this network is wireless.
*
* @return Whether this network is wireless.
*/
boolean isWireless();
/**
* Submit a packet for transmitting across the network. This will route the packet through the network, sending it to all receivers within range (or any
* interdimensional ones).
*
* @param packet The packet to send.
* @param range The maximum distance this packet will be sent.
* @see #transmitInterdimensional(Packet)
* @see IPacketReceiver#receiveSameDimension(Packet, double)
*/
void transmitSameDimension(@Nonnull Packet packet, double range);
/**
* Submit a packet for transmitting across the network. This will route the packet through the network, sending it to all receivers across all
* dimensions.
*
* @param packet The packet to send.
* @see #transmitSameDimension(Packet, double)
* @see IPacketReceiver#receiveDifferentDimension(Packet)
*/
void transmitInterdimensional(@Nonnull Packet packet);
}

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src/main/java/dan200/computercraft/api/network/IPacketReceiver.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.network;
import javax.annotation.Nonnull;
import net.minecraft.util.math.Vec3d;
import net.minecraft.world.World;
/**
* An object on an {@link IPacketNetwork}, capable of receiving packets.
*/
public interface IPacketReceiver {
/**
* Get the world in which this packet receiver exists.
*
* @return The receivers's world.
*/
@Nonnull
World getWorld();
/**
* Get the position in the world at which this receiver exists.
*
* @return The receiver's position.
*/
@Nonnull
Vec3d getPosition();
/**
* Get the maximum distance this receiver can send and receive messages.
*
* When determining whether a receiver can receive a message, the largest distance of the packet and receiver is used - ensuring it is within range. If
* the packet or receiver is inter-dimensional, then the packet will always be received.
*
* @return The maximum distance this device can send and receive messages.
* @see #isInterdimensional()
* @see #receiveSameDimension(Packet packet, double)
* @see IPacketNetwork#transmitInterdimensional(Packet)
*/
double getRange();
/**
* Determine whether this receiver can receive packets from other dimensions.
*
* A device will receive an inter-dimensional packet if either it or the sending device is inter-dimensional.
*
* @return Whether this receiver receives packets from other dimensions.
* @see #getRange()
* @see #receiveDifferentDimension(Packet)
* @see IPacketNetwork#transmitInterdimensional(Packet)
*/
boolean isInterdimensional();
/**
* Receive a network packet from the same dimension.
*
* @param packet The packet to receive. Generally you should check that you are listening on the given channel and, if so, queue the appropriate
* modem event.
* @param distance The distance this packet has travelled from the source.
* @see Packet
* @see #getRange()
* @see IPacketNetwork#transmitSameDimension(Packet, double)
* @see IPacketNetwork#transmitInterdimensional(Packet)
*/
void receiveSameDimension(@Nonnull Packet packet, double distance);
/**
* Receive a network packet from a different dimension.
*
* @param packet The packet to receive. Generally you should check that you are listening on the given channel and, if so, queue the appropriate
* modem event.
* @see Packet
* @see IPacketNetwork#transmitInterdimensional(Packet)
* @see IPacketNetwork#transmitSameDimension(Packet, double)
* @see #isInterdimensional()
*/
void receiveDifferentDimension(@Nonnull Packet packet);
}

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src/main/java/dan200/computercraft/api/network/IPacketSender.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.network;
import javax.annotation.Nonnull;
import net.minecraft.util.math.Vec3d;
import net.minecraft.world.World;
/**
* An object on a {@link IPacketNetwork}, capable of sending packets.
*/
public interface IPacketSender {
/**
* Get the world in which this packet sender exists.
*
* @return The sender's world.
*/
@Nonnull
World getWorld();
/**
* Get the position in the world at which this sender exists.
*
* @return The sender's position.
*/
@Nonnull
Vec3d getPosition();
/**
* Get some sort of identification string for this sender. This does not strictly need to be unique, but you should be able to extract some identifiable
* information from it.
*
* @return This device's id.
*/
@Nonnull
String getSenderID();
}

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src/main/java/dan200/computercraft/api/network/Packet.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.network;
import java.util.Objects;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
/**
* Represents a packet which may be sent across a {@link IPacketNetwork}.
*
* @see IPacketSender
* @see IPacketNetwork#transmitSameDimension(Packet, double)
* @see IPacketNetwork#transmitInterdimensional(Packet)
* @see IPacketReceiver#receiveDifferentDimension(Packet)
* @see IPacketReceiver#receiveSameDimension(Packet, double)
*/
public class Packet {
private final int channel;
private final int replyChannel;
private final Object payload;
private final IPacketSender sender;
/**
* Create a new packet, ready for transmitting across the network.
*
* @param channel The channel to send the packet along. Receiving devices should only process packets from on channels they are listening to.
* @param replyChannel The channel to reply on.
* @param payload The contents of this packet. This should be a "valid" Lua object, safe for queuing as an event or returning from a peripheral
* call.
* @param sender The object which sent this packet.
*/
public Packet(int channel, int replyChannel, @Nullable Object payload, @Nonnull IPacketSender sender) {
Objects.requireNonNull(sender, "sender cannot be null");
this.channel = channel;
this.replyChannel = replyChannel;
this.payload = payload;
this.sender = sender;
}
/**
* Get the channel this packet is sent along. Receivers should generally only process packets from on channels they are listening to.
*
* @return This packet's channel.
*/
public int getChannel() {
return this.channel;
}
/**
* The channel to reply on. Objects which will reply should send it along this channel.
*
* @return This channel to reply on.
*/
public int getReplyChannel() {
return this.replyChannel;
}
/**
* The actual data of this packet. This should be a "valid" Lua object, safe for queuing as an event or returning from a peripheral call.
*
* @return The packet's payload
*/
@Nullable
public Object getPayload() {
return this.payload;
}
/**
* The object which sent this message.
*
* @return The sending object.
*/
@Nonnull
public IPacketSender getSender() {
return this.sender;
}
@Override
public int hashCode() {
int result;
result = this.channel;
result = 31 * result + this.replyChannel;
result = 31 * result + (this.payload != null ? this.payload.hashCode() : 0);
result = 31 * result + this.sender.hashCode();
return result;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || this.getClass() != o.getClass()) {
return false;
}
Packet packet = (Packet) o;
if (this.channel != packet.channel) {
return false;
}
if (this.replyChannel != packet.replyChannel) {
return false;
}
if (!Objects.equals(this.payload, packet.payload)) {
return false;
}
return this.sender.equals(packet.sender);
}
}

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src/main/java/dan200/computercraft/api/network/wired/IWiredElement.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.network.wired;
import javax.annotation.Nonnull;
import dan200.computercraft.api.ComputerCraftAPI;
/**
* An object which may be part of a wired network.
*
* Elements should construct a node using {@link ComputerCraftAPI#createWiredNodeForElement(IWiredElement)}. This acts as a proxy for all network objects.
* Whilst the node may change networks, an element's node should remain constant for its lifespan.
*
* Elements are generally tied to a block or tile entity in world. In such as case, one should provide the {@link IWiredElement} capability for the
* appropriate sides.
*/
public interface IWiredElement extends IWiredSender {
/**
* Called when objects on the network change. This may occur when network nodes are added or removed, or when peripherals change.
*
* @param change The change which occurred.
* @see IWiredNetworkChange
*/
default void networkChanged(@Nonnull IWiredNetworkChange change) {
}
}

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src/main/java/dan200/computercraft/api/network/wired/IWiredNetwork.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.network.wired;
import java.util.Map;
import javax.annotation.Nonnull;
import dan200.computercraft.api.peripheral.IPeripheral;
/**
* A wired network is composed of one of more {@link IWiredNode}s, a set of connections between them, and a series of peripherals.
*
* Networks from a connected graph. This means there is some path between all nodes on the network. Further more, if there is some path between two nodes
* then they must be on the same network. {@link IWiredNetwork} will automatically handle the merging and splitting of networks (and thus changing of
* available nodes and peripherals) as connections change.
*
* This does mean one can not rely on the network remaining consistent between subsequent operations. Consequently, it is generally preferred to use the
* methods provided by {@link IWiredNode}.
*
* @see IWiredNode#getNetwork()
*/
public interface IWiredNetwork {
/**
* Create a connection between two nodes.
*
* This should only be used on the server thread.
*
* @param left The first node to connect
* @param right The second node to connect
* @return {@code true} if a connection was created or {@code false} if the connection already exists.
* @throws IllegalStateException If neither node is on the network.
* @throws IllegalArgumentException If {@code left} and {@code right} are equal.
* @see IWiredNode#connectTo(IWiredNode)
* @see IWiredNetwork#connect(IWiredNode, IWiredNode)
*/
boolean connect(@Nonnull IWiredNode left, @Nonnull IWiredNode right);
/**
* Destroy a connection between this node and another.
*
* This should only be used on the server thread.
*
* @param left The first node in the connection.
* @param right The second node in the connection.
* @return {@code true} if a connection was destroyed or {@code false} if no connection exists.
* @throws IllegalArgumentException If either node is not on the network.
* @throws IllegalArgumentException If {@code left} and {@code right} are equal.
* @see IWiredNode#disconnectFrom(IWiredNode)
* @see IWiredNetwork#connect(IWiredNode, IWiredNode)
*/
boolean disconnect(@Nonnull IWiredNode left, @Nonnull IWiredNode right);
/**
* Sever all connections this node has, removing it from this network.
*
* This should only be used on the server thread. You should only call this on nodes that your network element owns.
*
* @param node The node to remove
* @return Whether this node was removed from the network. One cannot remove a node from a network where it is the only element.
* @throws IllegalArgumentException If the node is not in the network.
* @see IWiredNode#remove()
*/
boolean remove(@Nonnull IWiredNode node);
/**
* Update the peripherals a node provides.
*
* This should only be used on the server thread. You should only call this on nodes that your network element owns.
*
* @param node The node to attach peripherals for.
* @param peripherals The new peripherals for this node.
* @throws IllegalArgumentException If the node is not in the network.
* @see IWiredNode#updatePeripherals(Map)
*/
void updatePeripherals(@Nonnull IWiredNode node, @Nonnull Map<String, IPeripheral> peripherals);
}

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src/main/java/dan200/computercraft/api/network/wired/IWiredNetworkChange.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.network.wired;
import java.util.Map;
import javax.annotation.Nonnull;
import dan200.computercraft.api.peripheral.IPeripheral;
/**
* Represents a change to the objects on a wired network.
*
* @see IWiredElement#networkChanged(IWiredNetworkChange)
*/
public interface IWiredNetworkChange {
/**
* A set of peripherals which have been removed. Note that there may be entries with the same name in the added and removed set, but with a different
* peripheral.
*
* @return The set of removed peripherals.
*/
@Nonnull
Map<String, IPeripheral> peripheralsRemoved();
/**
* A set of peripherals which have been added. Note that there may be entries with the same name in the added and removed set, but with a different
* peripheral.
*
* @return The set of added peripherals.
*/
@Nonnull
Map<String, IPeripheral> peripheralsAdded();
}

100
src/main/java/dan200/computercraft/api/network/wired/IWiredNode.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.network.wired;
import java.util.Map;
import javax.annotation.Nonnull;
import dan200.computercraft.api.network.IPacketNetwork;
import dan200.computercraft.api.peripheral.IPeripheral;
/**
* Wired nodes act as a layer between {@link IWiredElement}s and {@link IWiredNetwork}s.
*
* Firstly, a node acts as a packet network, capable of sending and receiving modem messages to connected nodes. These methods may be safely used on any
* thread.
*
* When sending a packet, the system will attempt to find the shortest path between the two nodes based on their element's position. Note that packet
* senders and receivers can have different locations from their associated element: the distance between the two will be added to the total packet's
* distance.
*
* Wired nodes also provide several convenience methods for interacting with a wired network. These should only ever be used on the main server thread.
*/
public interface IWiredNode extends IPacketNetwork {
/**
* The associated element for this network node.
*
* @return This node's element.
*/
@Nonnull
IWiredElement getElement();
/**
* Create a connection from this node to another.
*
* This should only be used on the server thread.
*
* @param node The other node to connect to.
* @return {@code true} if a connection was created or {@code false} if the connection already exists.
* @see IWiredNetwork#connect(IWiredNode, IWiredNode)
* @see IWiredNode#disconnectFrom(IWiredNode)
*/
default boolean connectTo(@Nonnull IWiredNode node) {
return this.getNetwork().connect(this, node);
}
/**
* The network this node is currently connected to. Note that this may change after any network operation, so it should not be cached.
*
* This should only be used on the server thread.
*
* @return This node's network.
*/
@Nonnull
IWiredNetwork getNetwork();
/**
* Destroy a connection between this node and another.
*
* This should only be used on the server thread.
*
* @param node The other node to disconnect from.
* @return {@code true} if a connection was destroyed or {@code false} if no connection exists.
* @throws IllegalArgumentException If {@code node} is not on the same network.
* @see IWiredNetwork#disconnect(IWiredNode, IWiredNode)
* @see IWiredNode#connectTo(IWiredNode)
*/
default boolean disconnectFrom(@Nonnull IWiredNode node) {
return this.getNetwork().disconnect(this, node);
}
/**
* Sever all connections this node has, removing it from this network.
*
* This should only be used on the server thread. You should only call this on nodes that your network element owns.
*
* @return Whether this node was removed from the network. One cannot remove a node from a network where it is the only element.
* @throws IllegalArgumentException If the node is not in the network.
* @see IWiredNetwork#remove(IWiredNode)
*/
default boolean remove() {
return this.getNetwork().remove(this);
}
/**
* Mark this node's peripherals as having changed.
*
* This should only be used on the server thread. You should only call this on nodes that your network element owns.
*
* @param peripherals The new peripherals for this node.
* @see IWiredNetwork#updatePeripherals(IWiredNode, Map)
*/
default void updatePeripherals(@Nonnull Map<String, IPeripheral> peripherals) {
this.getNetwork().updatePeripherals(this, peripherals);
}
}

28
src/main/java/dan200/computercraft/api/network/wired/IWiredSender.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.network.wired;
import javax.annotation.Nonnull;
import dan200.computercraft.api.network.IPacketSender;
/**
* An object on a {@link IWiredNetwork} capable of sending packets.
*
* Unlike a regular {@link IPacketSender}, this must be associated with the node you are attempting to to send the packet from.
*/
public interface IWiredSender extends IPacketSender {
/**
* The node in the network representing this object.
*
* This should be used as a proxy for the main network. One should send packets and register receivers through this object.
*
* @return The node for this element.
*/
@Nonnull
IWiredNode getNode();
}

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src/main/java/dan200/computercraft/api/peripheral/IComputerAccess.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.peripheral;
import java.util.Collections;
import java.util.Map;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import dan200.computercraft.api.ComputerCraftAPI;
import dan200.computercraft.api.filesystem.IMount;
import dan200.computercraft.api.filesystem.IWritableMount;
import dan200.computercraft.api.lua.ILuaContext;
import dan200.computercraft.api.lua.ILuaTask;
import net.minecraft.world.World;
/**
* The interface passed to peripherals by computers or turtles, providing methods that they can call. This should not be implemented by your classes. Do not
* interact with computers except via this interface.
*/
public interface IComputerAccess {
/**
* Mount a mount onto the computer's file system in a read only mode.
*
* @param desiredLocation The location on the computer's file system where you would like the mount to be mounted.
* @param mount The mount object to mount on the computer.
* @return The location on the computer's file system where you the mount mounted, or {@code null} if there was already a file in the desired location.
* Store this value if you wish to unmount the mount later.
* @throws RuntimeException If the peripheral has been detached.
* @see ComputerCraftAPI#createSaveDirMount(World, String, long)
* @see ComputerCraftAPI#createResourceMount(Class, String, String)
* @see #mount(String, IMount, String)
* @see #mountWritable(String, IWritableMount)
* @see #unmount(String)
* @see IMount
*/
@Nullable
default String mount(@Nonnull String desiredLocation, @Nonnull IMount mount) {
return this.mount(desiredLocation, mount, this.getAttachmentName());
}
/**
* Mount a mount onto the computer's file system in a read only mode.
*
* @param desiredLocation The location on the computer's file system where you would like the mount to be mounted.
* @param mount The mount object to mount on the computer.
* @param driveName A custom name to give for this mount location, as returned by {@code fs.getDrive()}.
* @return The location on the computer's file system where you the mount mounted, or {@code null} if there was already a file in the desired location.
* Store this value if you wish to unmount the mount later.
* @throws RuntimeException If the peripheral has been detached.
* @see ComputerCraftAPI#createSaveDirMount(World, String, long)
* @see ComputerCraftAPI#createResourceMount(Class, String, String)
* @see #mount(String, IMount)
* @see #mountWritable(String, IWritableMount)
* @see #unmount(String)
* @see IMount
*/
@Nullable
String mount(@Nonnull String desiredLocation, @Nonnull IMount mount, @Nonnull String driveName);
/**
* Get a string, unique to the computer, by which the computer refers to this peripheral. For directly attached peripherals this will be
* "left","right","front","back",etc, but for peripherals attached remotely it will be different. It is good practice to supply this string when raising
* events to the computer, so that the computer knows from which peripheral the event came.
*
* @return A string unique to the computer, but not globally.
* @throws RuntimeException If the peripheral has been detached.
*/
@Nonnull
String getAttachmentName();
/**
* Mount a mount onto the computer's file system in a writable mode.
*
* @param desiredLocation The location on the computer's file system where you would like the mount to be mounted.
* @param mount The mount object to mount on the computer.
* @return The location on the computer's file system where you the mount mounted, or null if there was already a file in the desired location. Store
* this value if you wish to unmount the mount later.
* @throws RuntimeException If the peripheral has been detached.
* @see ComputerCraftAPI#createSaveDirMount(World, String, long)
* @see ComputerCraftAPI#createResourceMount(Class, String, String)
* @see #mount(String, IMount)
* @see #unmount(String)
* @see IMount
*/
@Nullable
default String mountWritable(@Nonnull String desiredLocation, @Nonnull IWritableMount mount) {
return this.mountWritable(desiredLocation, mount, this.getAttachmentName());
}
/**
* Mount a mount onto the computer's file system in a writable mode.
*
* @param desiredLocation The location on the computer's file system where you would like the mount to be mounted.
* @param mount The mount object to mount on the computer.
* @param driveName A custom name to give for this mount location, as returned by {@code fs.getDrive()}.
* @return The location on the computer's file system where you the mount mounted, or null if there was already a file in the desired location. Store
* this value if you wish to unmount the mount later.
* @throws RuntimeException If the peripheral has been detached.
* @see ComputerCraftAPI#createSaveDirMount(World, String, long)
* @see ComputerCraftAPI#createResourceMount(Class, String, String)
* @see #mount(String, IMount)
* @see #unmount(String)
* @see IMount
*/
String mountWritable(@Nonnull String desiredLocation, @Nonnull IWritableMount mount, @Nonnull String driveName);
/**
* Unmounts a directory previously mounted onto the computers file system by {@link #mount(String, IMount)} or {@link #mountWritable(String,
* IWritableMount)}.
*
* When a directory is unmounted, it will disappear from the computers file system, and the user will no longer be able to access it. All directories
* mounted by a mount or mountWritable are automatically unmounted when the peripheral is attached if they have not been explicitly unmounted.
*
* Note that you cannot unmount another peripheral's mounts.
*
* @param location The desired location in the computers file system of the directory to unmount. This must be the location of a directory
* previously mounted by {@link #mount(String, IMount)} or {@link #mountWritable(String, IWritableMount)}, as indicated by their return value.
* @throws RuntimeException If the peripheral has been detached.
* @throws RuntimeException If the mount does not exist, or was mounted by another peripheral.
* @see #mount(String, IMount)
* @see #mountWritable(String, IWritableMount)
*/
void unmount(@Nullable String location);
/**
* Returns the numerical ID of this computer.
*
* This is the same number obtained by calling {@code os.getComputerID()} or running the "id" program from lua, and is guaranteed unique. This number
* will be positive.
*
* @return The identifier.
*/
int getID();
/**
* Causes an event to be raised on this computer, which the computer can respond to by calling {@code os.pullEvent()}. This can be used to notify the
* computer when things happen in the world or to this peripheral.
*
* @param event A string identifying the type of event that has occurred, this will be returned as the first value from {@code os.pullEvent()}. It
* is recommended that you you choose a name that is unique, and recognisable as originating from your peripheral. eg: If your peripheral type is
* "button", a suitable event would be "button_pressed".
* @param arguments In addition to a name, you may pass an array of extra arguments to the event, that will be supplied as extra return values to
* os.pullEvent(). Objects in the array will be converted to lua data types in the same fashion as the return values of IPeripheral.callMethod().
*
* You may supply {@code null} to indicate that no arguments are to be supplied.
* @throws RuntimeException If the peripheral has been detached.
* @see IPeripheral#callMethod
*/
void queueEvent(@Nonnull String event, @Nullable Object[] arguments);
/**
* Get a set of peripherals that this computer access can "see", along with their attachment name.
*
* This may include other peripherals on the wired network or peripherals on other sides of the computer.
*
* @return All reachable peripherals
* @see #getAttachmentName()
* @see #getAvailablePeripheral(String)
*/
@Nonnull
default Map<String, IPeripheral> getAvailablePeripherals() {
return Collections.emptyMap();
}
/**
* Get a reachable peripheral with the given attachment name. This is a equivalent to {@link #getAvailablePeripherals()}{@code .get(name)}, though may
* be more efficient.
*
* @param name The peripheral's attached name
* @return The reachable peripheral, or {@code null} if none can be found.
* @see #getAvailablePeripherals()
*/
@Nullable
default IPeripheral getAvailablePeripheral(@Nonnull String name) {
return null;
}
/**
* Get a {@link IWorkMonitor} for tasks your peripheral might execute on the main (server) thread.
*
* This should be used to ensure your peripheral integrates with ComputerCraft's monitoring and limiting of how much server time each computer consumes.
* You should not need to use this if you use {@link ILuaContext#issueMainThreadTask(ILuaTask)} - this is intended for mods with their own system for
* running work on the main thread.
*
* Please note that the returned implementation is <em>not</em> thread-safe, and should only be used from the main thread.
*
* @return The work monitor for the main thread, or {@code null} if this computer does not have one.
*/
@Nullable
default IWorkMonitor getMainThreadMonitor() {
return null;
}
}

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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.peripheral;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import dan200.computercraft.api.lua.ILuaContext;
import dan200.computercraft.api.lua.LuaException;
/**
* The interface that defines a peripheral. See {@link IPeripheralProvider} for how to associate blocks with peripherals.
*/
public interface IPeripheral {
/**
* Should return a string that uniquely identifies this type of peripheral. This can be queried from lua by calling {@code peripheral.getType()}
*
* @return A string identifying the type of peripheral.
*/
@Nonnull
String getType();
/**
* Should return an array of strings that identify the methods that this peripheral exposes to Lua. This will be called once before each attachment, and
* should not change when called multiple times.
*
* @return An array of strings representing method names.
* @see #callMethod
*/
@Nonnull
String[] getMethodNames();
/**
* This is called when a lua program on an attached computer calls {@code peripheral.call()} with one of the methods exposed by {@link
* #getMethodNames()}.
*
* Be aware that this will be called from the ComputerCraft Lua thread, and must be thread-safe when interacting with Minecraft objects.
*
* @param computer The interface to the computer that is making the call. Remember that multiple computers can be attached to a peripheral at once.
* @param context The context of the currently running lua thread. This can be used to wait for events or otherwise yield.
* @param method An integer identifying which of the methods from getMethodNames() the computercraft wishes to call. The integer indicates the index
* into the getMethodNames() table that corresponds to the string passed into peripheral.call()
* @param arguments An array of objects, representing the arguments passed into {@code peripheral.call()}.<br> Lua values of type "string" will be
* represented by Object type String.<br> Lua values of type "number" will be represented by Object type Double.<br> Lua values of type "boolean"
* will be represented by Object type Boolean.<br> Lua values of type "table" will be represented by Object type Map.<br> Lua values of any other
* type will be represented by a null object.<br> This array will be empty if no arguments are passed.
* @return An array of objects, representing values you wish to return to the lua program. Integers, Doubles, Floats, Strings, Booleans, Maps and
* ILuaObject and null be converted to their corresponding lua type. All other types will be converted to nil.
*
* You may return null to indicate no values should be returned.
* @throws LuaException If you throw any exception from this function, a lua error will be raised with the same message as your exception. Use this
* to throw appropriate errors if the wrong arguments are supplied to your method.
* @throws InterruptedException If the user shuts down or reboots the computer the coroutine is suspended, InterruptedException will be thrown. This
* exception must not be caught or intercepted, or the computer will leak memory and end up in a broken state.
* @see #getMethodNames
*/
@Nullable
Object[] callMethod(@Nonnull IComputerAccess computer, @Nonnull ILuaContext context, int method, @Nonnull Object[] arguments) throws LuaException,
InterruptedException;
/**
* Is called when when a computer is attaching to the peripheral.
*
* This will occur when a peripheral is placed next to an active computer, when a computer is turned on next to a peripheral, when a turtle travels into
* a square next to a peripheral, or when a wired modem adjacent to this peripheral is does any of the above.
*
* Between calls to attach and {@link #detach}, the attached computer can make method calls on the peripheral using {@code peripheral.call()}. This
* method can be used to keep track of which computers are attached to the peripheral, or to take action when attachment occurs.
*
* Be aware that will be called from both the server thread and ComputerCraft Lua thread, and so must be thread-safe and reentrant.
*
* @param computer The interface to the computer that is being attached. Remember that multiple computers can be attached to a peripheral at once.
* @see #detach
*/
default void attach(@Nonnull IComputerAccess computer) {
}
/**
* Called when a computer is detaching from the peripheral.
*
* This will occur when a computer shuts down, when the peripheral is removed while attached to computers, when a turtle moves away from a block
* attached to a peripheral, or when a wired modem adjacent to this peripheral is detached.
*
* This method can be used to keep track of which computers are attached to the peripheral, or to take action when detachment occurs.
*
* Be aware that this will be called from both the server and ComputerCraft Lua thread, and must be thread-safe and reentrant.
*
* @param computer The interface to the computer that is being detached. Remember that multiple computers can be attached to a peripheral at once.
* @see #attach
*/
default void detach(@Nonnull IComputerAccess computer) {
}
/**
* Get the object that this peripheral provides methods for. This will generally be the tile entity or block, but may be an inventory, entity, etc...
*
* @return The object this peripheral targets
*/
@Nonnull
default Object getTarget() {
return this;
}
/**
* Determine whether this peripheral is equivalent to another one.
*
* The minimal example should at least check whether they are the same object. However, you may wish to check if they point to the same block or tile
* entity.
*
* @param other The peripheral to compare against. This may be {@code null}.
* @return Whether these peripherals are equivalent.
*/
boolean equals(@Nullable IPeripheral other);
}

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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.peripheral;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import net.minecraft.block.entity.BlockEntity;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.Direction;
import net.minecraft.world.World;
/**
* This interface is used to create peripheral implementations for blocks.
*
* If you have a {@link BlockEntity} which acts as a peripheral, you may alternatively implement {@link IPeripheralTile}.
*
* @see dan200.computercraft.api.ComputerCraftAPI#registerPeripheralProvider(IPeripheralProvider)
*/
@FunctionalInterface
public interface IPeripheralProvider {
/**
* Produce an peripheral implementation from a block location.
*
* @param world The world the block is in.
* @param pos The position the block is at.
* @param side The side to get the peripheral from.
* @return A peripheral, or {@code null} if there is not a peripheral here you'd like to handle.
* @see dan200.computercraft.api.ComputerCraftAPI#registerPeripheralProvider(IPeripheralProvider)
*/
@Nullable
IPeripheral getPeripheral(@Nonnull World world, @Nonnull BlockPos pos, @Nonnull Direction side);
}

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src/main/java/dan200/computercraft/api/peripheral/IPeripheralTile.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.peripheral;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.Direction;
import net.minecraft.world.World;
/**
* A {@link net.minecraft.block.entity.BlockEntity} which may act as a peripheral.
*
* If you need more complex capabilities (such as handling TEs not belonging to your mod), you should use {@link IPeripheralProvider}.
*/
public interface IPeripheralTile {
/**
* Get the peripheral on the given {@code side}.
*
* @param side The side to get the peripheral from.
* @return A peripheral, or {@code null} if there is not a peripheral here.
* @see IPeripheralProvider#getPeripheral(World, BlockPos, Direction)
*/
@Nullable
IPeripheral getPeripheral(@Nonnull Direction side);
}

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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.api.peripheral;
import java.util.Objects;
import java.util.concurrent.TimeUnit;
import javax.annotation.Nonnull;
/**
* Monitors "work" associated with a computer, keeping track of how much a computer has done, and ensuring every computer receives a fair share of any
* processing time.
*
* This is primarily intended for work done by peripherals on the main thread (such as on a tile entity's tick), but could be used for other purposes (such
* as complex computations done on another thread).
*
* Before running a task, one should call {@link #canWork()} to determine if the computer is currently allowed to execute work. If that returns true, you
* should execute the task and use {@link #trackWork(long, TimeUnit)} to inform the monitor how long that task took.
*
* Alternatively, use {@link #runWork(Runnable)} to run and keep track of work.
*
* @see IComputerAccess#getMainThreadMonitor()
*/
public interface IWorkMonitor {
/**
* If the owning computer is currently allowed to execute work, and has ample time to do so.
*
* This is effectively a more restrictive form of {@link #canWork()}. One should use that in order to determine if you may do an initial piece of work,
* and shouldWork to determine if any additional task may be performed.
*
* @return If we should execute work right now.
*/
boolean shouldWork();
/**
* Run a task if possible, and inform the monitor of how long it took.
*
* @param runnable The task to run.
* @return If the task was actually run (namely, {@link #canWork()} returned {@code true}).
*/
default boolean runWork(@Nonnull Runnable runnable) {
Objects.requireNonNull(runnable, "runnable should not be null");
if (!this.canWork()) {
return false;
}
long start = System.nanoTime();
try {
runnable.run();
} finally {
this.trackWork(System.nanoTime() - start, TimeUnit.NANOSECONDS);
}
return true;
}
/**
* If the owning computer is currently allowed to execute work.
*
* @return If we can execute work right now.
*/
boolean canWork();
/**
* Inform the monitor how long some piece of work took to execute.
*
* @param time The time some task took to run
* @param unit The unit that {@code time} was measured in.
*/
void trackWork(long time, @Nonnull TimeUnit unit);
}

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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.api.pocket;
import javax.annotation.Nonnull;
import net.minecraft.item.ItemConvertible;
import net.minecraft.item.ItemStack;
import net.minecraft.util.Identifier;
import net.minecraft.util.Util;
/**
* A base class for {@link IPocketUpgrade}s.
*
* One does not have to use this, but it does provide a convenient template.
*/
public abstract class AbstractPocketUpgrade implements IPocketUpgrade {
private final Identifier id;
private final String adjective;
private final ItemStack stack;
protected AbstractPocketUpgrade(Identifier identifier, String adjective, ItemConvertible item) {
this(identifier, adjective, new ItemStack(item));
}
protected AbstractPocketUpgrade(Identifier id, String adjective, ItemStack stack) {
this.id = id;
this.adjective = adjective;
this.stack = stack;
}
protected AbstractPocketUpgrade(Identifier id, ItemConvertible item) {
this(id, Util.createTranslationKey("upgrade", id) + ".adjective", new ItemStack(item));
}
@Nonnull
@Override
public final Identifier getUpgradeID() {
return this.id;
}
@Nonnull
@Override
public final String getUnlocalisedAdjective() {
return this.adjective;
}
@Nonnull
@Override
public final ItemStack getCraftingItem() {
return this.stack;
}
}

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src/main/java/dan200/computercraft/api/pocket/IPocketAccess.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.pocket;
import java.util.Map;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import dan200.computercraft.api.peripheral.IPeripheral;
import net.minecraft.entity.Entity;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.util.Identifier;
/**
* Wrapper class for pocket computers
*/
public interface IPocketAccess {
/**
* Gets the entity holding this item.
*
* This must be called on the server thread.
*
* @return The holding entity, or {@code null} if none exists.
*/
@Nullable
Entity getEntity();
/**
* Get the colour of this pocket computer as a RGB number.
*
* @return The colour this pocket computer is. This will be a RGB colour between {@code 0x000000} and {@code 0xFFFFFF} or -1 if it has no colour.
* @see #setColour(int)
*/
int getColour();
/**
* Set the colour of the pocket computer to a RGB number.
*
* @param colour The colour this pocket computer should be changed to. This should be a RGB colour between {@code 0x000000} and {@code 0xFFFFFF} or
* -1 to reset to the default colour.
* @see #getColour()
*/
void setColour(int colour);
/**
* Get the colour of this pocket computer's light as a RGB number.
*
* @return The colour this light is. This will be a RGB colour between {@code 0x000000} and {@code 0xFFFFFF} or -1 if it has no colour.
* @see #setLight(int)
*/
int getLight();
/**
* Set the colour of the pocket computer's light to a RGB number.
*
* @param colour The colour this modem's light will be changed to. This should be a RGB colour between {@code 0x000000} and {@code 0xFFFFFF} or -1
* to reset to the default colour.
* @see #getLight()
*/
void setLight(int colour);
/**
* Get the upgrade-specific NBT.
*
* This is persisted between computer reboots and chunk loads.
*
* @return The upgrade's NBT.
* @see #updateUpgradeNBTData()
*/
@Nonnull
CompoundTag getUpgradeNBTData();
/**
* Mark the upgrade-specific NBT as dirty.
*
* @see #getUpgradeNBTData()
*/
void updateUpgradeNBTData();
/**
* Remove the current peripheral and create a new one. You may wish to do this if the methods available change.
*/
void invalidatePeripheral();
/**
* Get a list of all upgrades for the pocket computer.
*
* @return A collection of all upgrade names.
*/
@Nonnull
Map<Identifier, IPeripheral> getUpgrades();
}

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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.pocket;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import dan200.computercraft.api.ComputerCraftAPI;
import dan200.computercraft.api.peripheral.IPeripheral;
import dan200.computercraft.api.turtle.ITurtleUpgrade;
import net.minecraft.item.ItemStack;
import net.minecraft.util.Identifier;
import net.minecraft.world.World;
/**
* Additional peripherals for pocket computers.
*
* This is similar to {@link ITurtleUpgrade}.
*/
public interface IPocketUpgrade {
/**
* Gets a unique identifier representing this type of turtle upgrade. eg: "computercraft:wireless_modem" or "my_mod:my_upgrade".
*
* You should use a unique resource domain to ensure this upgrade is uniquely identified. The upgrade will fail registration if an already used ID is
* specified.
*
* @return The upgrade's id.
* @see IPocketUpgrade#getUpgradeID()
* @see ComputerCraftAPI#registerPocketUpgrade(IPocketUpgrade)
*/
@Nonnull
Identifier getUpgradeID();
/**
* Return an unlocalised string to describe the type of pocket computer this upgrade provides.
*
* An example of a built-in adjectives is "Wireless" - this is converted to "Wireless Pocket Computer".
*
* @return The unlocalised adjective.
* @see ITurtleUpgrade#getUnlocalisedAdjective()
*/
@Nonnull
String getUnlocalisedAdjective();
/**
* Return an item stack representing the type of item that a pocket computer must be crafted with to create a pocket computer which holds this upgrade.
* This item stack is also used to determine the upgrade given by {@code pocket.equip()}/{@code pocket.unequip()}.
*
* Ideally this should be constant over a session. It is recommended that you cache the item too, in order to prevent constructing it every time the
* method is called.
*
* @return The item stack used for crafting. This can be {@link ItemStack#EMPTY} if crafting is disabled.
*/
@Nonnull
ItemStack getCraftingItem();
/**
* Creates a peripheral for the pocket computer.
*
* The peripheral created will be stored for the lifetime of the upgrade, will be passed an argument to {@link #update(IPocketAccess, IPeripheral)} and
* will be attached, detached and have methods called in the same manner as an ordinary peripheral.
*
* @param access The access object for the pocket item stack.
* @return The newly created peripheral.
* @see #update(IPocketAccess, IPeripheral)
*/
@Nullable
IPeripheral createPeripheral(@Nonnull IPocketAccess access);
/**
* Called when the pocket computer item stack updates.
*
* @param access The access object for the pocket item stack.
* @param peripheral The peripheral for this upgrade.
* @see #createPeripheral(IPocketAccess)
*/
default void update(@Nonnull IPocketAccess access, @Nullable IPeripheral peripheral) {
}
/**
* Called when the pocket computer is right clicked.
*
* @param world The world the computer is in.
* @param access The access object for the pocket item stack.
* @param peripheral The peripheral for this upgrade.
* @return {@code true} to stop the GUI from opening, otherwise false. You should always provide some code path which returns {@code false}, such as
* requiring the player to be sneaking - otherwise they will be unable to access the GUI.
* @see #createPeripheral(IPocketAccess)
*/
default boolean onRightClick(@Nonnull World world, @Nonnull IPocketAccess access, @Nullable IPeripheral peripheral) {
return false;
}
}

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src/main/java/dan200/computercraft/api/redstone/IBundledRedstoneProvider.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.redstone;
import javax.annotation.Nonnull;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.Direction;
import net.minecraft.world.World;
/**
* This interface is used to provide bundled redstone output for blocks.
*
* @see dan200.computercraft.api.ComputerCraftAPI#registerBundledRedstoneProvider(IBundledRedstoneProvider)
*/
@FunctionalInterface
public interface IBundledRedstoneProvider {
/**
* Produce an bundled redstone output from a block location.
*
* @param world The world this block is in.
* @param pos The position this block is at.
* @param side The side to extract the bundled redstone output from.
* @return A number in the range 0-65535 to indicate this block is providing output, or -1 if you do not wish to handle this block.
* @see dan200.computercraft.api.ComputerCraftAPI#registerBundledRedstoneProvider(IBundledRedstoneProvider)
*/
int getBundledRedstoneOutput(@Nonnull World world, @Nonnull BlockPos pos, @Nonnull Direction side);
}

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src/main/java/dan200/computercraft/api/turtle/ITurtleAccess.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.turtle;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import com.mojang.authlib.GameProfile;
import dan200.computercraft.api.lua.ILuaContext;
import dan200.computercraft.api.lua.LuaException;
import dan200.computercraft.api.peripheral.IPeripheral;
import net.minecraft.inventory.Inventory;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.Direction;
import net.minecraft.util.math.Vec3d;
import net.minecraft.world.World;
/**
* The interface passed to turtle by turtles, providing methods that they can call.
*
* This should not be implemented by your classes. Do not interact with turtles except via this interface and {@link ITurtleUpgrade}.
*/
public interface ITurtleAccess {
/**
* Returns the world in which the turtle resides.
*
* @return the world in which the turtle resides.
*/
@Nonnull
World getWorld();
/**
* Returns a vector containing the integer co-ordinates at which the turtle resides.
*
* @return a vector containing the integer co-ordinates at which the turtle resides.
*/
@Nonnull
BlockPos getPosition();
/**
* Attempt to move this turtle to a new position.
*
* This will preserve the turtle's internal state, such as it's inventory, computer and upgrades. It should be used before playing a movement animation
* using {@link #playAnimation(TurtleAnimation)}.
*
* @param world The new world to move it to
* @param pos The new position to move it to.
* @return Whether the movement was successful. It may fail if the block was not loaded or the block placement was cancelled.
* @throws UnsupportedOperationException When attempting to teleport on the client side.
*/
boolean teleportTo(@Nonnull World world, @Nonnull BlockPos pos);
/**
* Returns a vector containing the floating point co-ordinates at which the turtle is rendered. This will shift when the turtle is moving.
*
* @param f The subframe fraction.
* @return A vector containing the floating point co-ordinates at which the turtle resides.
* @see #getVisualYaw(float)
*/
@Nonnull
Vec3d getVisualPosition(float f);
/**
* Returns the yaw the turtle is facing when it is rendered.
*
* @param f The subframe fraction.
* @return The yaw the turtle is facing.
* @see #getVisualPosition(float)
*/
float getVisualYaw(float f);
/**
* Returns the world direction the turtle is currently facing.
*
* @return The world direction the turtle is currently facing.
* @see #setDirection(Direction)
*/
@Nonnull
Direction getDirection();
/**
* Set the direction the turtle is facing. Note that this will not play a rotation animation, you will also need to call {@link
* #playAnimation(TurtleAnimation)} to do so.
*
* @param dir The new direction to set. This should be on either the x or z axis (so north, south, east or west).
* @see #getDirection()
*/
void setDirection(@Nonnull Direction dir);
/**
* Get the currently selected slot in the turtle's inventory.
*
* @return An integer representing the current slot.
* @see #getInventory()
* @see #setSelectedSlot(int)
*/
int getSelectedSlot();
/**
* Set the currently selected slot in the turtle's inventory.
*
* @param slot The slot to set. This must be greater or equal to 0 and less than the inventory size. Otherwise no action will be taken.
* @throws UnsupportedOperationException When attempting to change the slot on the client side.
* @see #getInventory()
* @see #getSelectedSlot()
*/
void setSelectedSlot(int slot);
/**
* Get the colour of this turtle as a RGB number.
*
* @return The colour this turtle is. This will be a RGB colour between {@code 0x000000} and {@code 0xFFFFFF} or -1 if it has no colour.
* @see #setColour(int)
*/
int getColour();
/**
* Set the colour of the turtle to a RGB number.
*
* @param colour The colour this turtle should be changed to. This should be a RGB colour between {@code 0x000000} and {@code 0xFFFFFF} or -1 to
* reset to the default colour.
* @see #getColour()
*/
void setColour(int colour);
/**
* Get the player who owns this turtle, namely whoever placed it.
*
* @return This turtle's owner.
*/
@Nonnull
GameProfile getOwningPlayer();
/**
* Get the inventory of this turtle
*
* @return This turtle's inventory
*/
@Nonnull
Inventory getInventory();
/**
* Determine whether this turtle will require fuel when performing actions.
*
* @return Whether this turtle needs fuel.
* @see #getFuelLevel()
* @see #setFuelLevel(int)
*/
boolean isFuelNeeded();
/**
* Get the current fuel level of this turtle.
*
* @return The turtle's current fuel level.
* @see #isFuelNeeded()
* @see #setFuelLevel(int)
*/
int getFuelLevel();
/**
* Set the fuel level to a new value. It is generally preferred to use {@link #consumeFuel(int)}} or {@link #addFuel(int)} instead.
*
* @param fuel The new amount of fuel. This must be between 0 and the fuel limit.
* @see #getFuelLevel()
* @see #getFuelLimit()
* @see #addFuel(int)
* @see #consumeFuel(int)
*/
void setFuelLevel(int fuel);
/**
* Get the maximum amount of fuel a turtle can hold.
*
* @return The turtle's fuel limit.
*/
int getFuelLimit();
/**
* Removes some fuel from the turtles fuel supply. Negative numbers can be passed in to INCREASE the fuel level of the turtle.
*
* @param fuel The amount of fuel to consume.
* @return Whether the turtle was able to consume the amount of fuel specified. Will return false if you supply a number greater than the current fuel
* level of the turtle. No fuel will be consumed if {@code false} is returned.
* @throws UnsupportedOperationException When attempting to consume fuel on the client side.
*/
boolean consumeFuel(int fuel);
/**
* Increase the turtle's fuel level by the given amount.
*
* @param fuel The amount to refuel with.
* @throws UnsupportedOperationException When attempting to refuel on the client side.
*/
void addFuel(int fuel);
/**
* Adds a custom command to the turtles command queue. Unlike peripheral methods, these custom commands will be executed on the main thread, so are
* guaranteed to be able to access Minecraft objects safely, and will be queued up with the turtles standard movement and tool commands. An issued
* command will return an unique integer, which will be supplied as a parameter to a "turtle_response" event issued to the turtle after the command has
* completed. Look at the lua source code for "rom/apis/turtle" for how to build a lua wrapper around this functionality.
*
* @param context The Lua context to pull events from.
* @param command An object which will execute the custom command when its point in the queue is reached
* @return The objects the command returned when executed. you should probably return these to the player unchanged if called from a peripheral method.
* @throws UnsupportedOperationException When attempting to execute a command on the client side.
* @throws LuaException If the user presses CTRL+T to terminate the current program while {@code executeCommand()} is waiting for an event, a
* "Terminated" exception will be thrown here.
* @throws InterruptedException If the user shuts down or reboots the computer while pullEvent() is waiting for an event, InterruptedException will
* be thrown. This exception must not be caught or intercepted, or the computer will leak memory and end up in a broken state.
* @see ITurtleCommand
* @see ILuaContext#pullEvent(String)
*/
@Nonnull
Object[] executeCommand(@Nonnull ILuaContext context, @Nonnull ITurtleCommand command) throws LuaException, InterruptedException;
/**
* Start playing a specific animation. This will prevent other turtle commands from executing until it is finished.
*
* @param animation The animation to play.
* @throws UnsupportedOperationException When attempting to execute play an animation on the client side.
* @see TurtleAnimation
*/
void playAnimation(@Nonnull TurtleAnimation animation);
/**
* Returns the turtle on the specified side of the turtle, if there is one.
*
* @param side The side to get the upgrade from.
* @return The upgrade on the specified side of the turtle, if there is one.
* @see #setUpgrade(TurtleSide, ITurtleUpgrade)
*/
@Nullable
ITurtleUpgrade getUpgrade(@Nonnull TurtleSide side);
/**
* Set the upgrade for a given side, resetting peripherals and clearing upgrade specific data.
*
* @param side The side to set the upgrade on.
* @param upgrade The upgrade to set, may be {@code null} to clear.
* @see #getUpgrade(TurtleSide)
*/
void setUpgrade(@Nonnull TurtleSide side, @Nullable ITurtleUpgrade upgrade);
/**
* Returns the peripheral created by the upgrade on the specified side of the turtle, if there is one.
*
* @param side The side to get the peripheral from.
* @return The peripheral created by the upgrade on the specified side of the turtle, {@code null} if none exists.
*/
@Nullable
IPeripheral getPeripheral(@Nonnull TurtleSide side);
/**
* Get an upgrade-specific NBT compound, which can be used to store arbitrary data.
*
* This will be persisted across turtle restarts and chunk loads, as well as being synced to the client. You must call {@link
* #updateUpgradeNBTData(TurtleSide)} after modifying it.
*
* @param side The side to get the upgrade data for.
* @return The upgrade-specific data.
* @see #updateUpgradeNBTData(TurtleSide)
*/
@Nonnull
CompoundTag getUpgradeNBTData(@Nullable TurtleSide side);
/**
* Mark the upgrade-specific data as dirty on a specific side. This is required for the data to be synced to the client and persisted.
*
* @param side The side to mark dirty.
* @see #updateUpgradeNBTData(TurtleSide)
*/
void updateUpgradeNBTData(@Nonnull TurtleSide side);
}

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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.turtle;
import javax.annotation.Nonnull;
import dan200.computercraft.api.lua.ILuaContext;
/**
* An interface for objects executing custom turtle commands, used with {@link ITurtleAccess#executeCommand(ILuaContext, ITurtleCommand)}.
*
* @see ITurtleAccess#executeCommand(ILuaContext, ITurtleCommand)
*/
@FunctionalInterface
public interface ITurtleCommand {
/**
* Will be called by the turtle on the main thread when it is time to execute the custom command.
*
* The handler should either perform the work of the command, and return success, or return failure with an error message to indicate the command cannot
* be executed at this time.
*
* @param turtle Access to the turtle for whom the command was issued.
* @return A result, indicating whether this action succeeded or not.
* @see ITurtleAccess#executeCommand(ILuaContext, ITurtleCommand)
* @see TurtleCommandResult#success()
* @see TurtleCommandResult#failure(String)
* @see TurtleCommandResult
*/
@Nonnull
TurtleCommandResult execute(@Nonnull ITurtleAccess turtle);
}

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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.turtle;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import javax.vecmath.Matrix4f;
import dan200.computercraft.api.ComputerCraftAPI;
import dan200.computercraft.api.peripheral.IPeripheral;
import dan200.computercraft.api.turtle.event.TurtleAttackEvent;
import dan200.computercraft.api.turtle.event.TurtleBlockEvent;
import org.apache.commons.lang3.tuple.Pair;
import net.minecraft.client.render.model.BakedModel;
import net.minecraft.client.util.ModelIdentifier;
import net.minecraft.item.ItemStack;
import net.minecraft.util.Identifier;
import net.minecraft.util.math.Direction;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
/**
* The primary interface for defining an update for Turtles. A turtle update can either be a new tool, or a new peripheral.
*
* @see ComputerCraftAPI#registerTurtleUpgrade(ITurtleUpgrade)
*/
public interface ITurtleUpgrade {
/**
* Gets a unique identifier representing this type of turtle upgrade. eg: "computercraft:wireless_modem" or "my_mod:my_upgrade". You should use a unique
* resource domain to ensure this upgrade is uniquely identified. The turtle will fail registration if an already used ID is specified.
*
* @return The unique ID for this upgrade.
* @see ComputerCraftAPI#registerTurtleUpgrade(ITurtleUpgrade)
*/
@Nonnull
Identifier getUpgradeID();
/**
* Return an unlocalised string to describe this type of turtle in turtle item names.
*
* Examples of built-in adjectives are "Wireless", "Mining" and "Crafty".
*
* @return The localisation key for this upgrade's adjective.
*/
@Nonnull
String getUnlocalisedAdjective();
/**
* Return whether this turtle adds a tool or a peripheral to the turtle.
*
* @return The type of upgrade this is.
* @see TurtleUpgradeType for the differences between them.
*/
@Nonnull
TurtleUpgradeType getType();
/**
* Return an item stack representing the type of item that a turtle must be crafted with to create a turtle which holds this upgrade. This item stack is
* also used to determine the upgrade given by {@code turtle.equip()}
*
* Ideally this should be constant over a session. It is recommended that you cache the item too, in order to prevent constructing it every time the
* method is called.
*
* @return The item stack to craft with, or {@link ItemStack#EMPTY} if it cannot be crafted.
*/
@Nonnull
ItemStack getCraftingItem();
/**
* Will only be called for peripheral upgrades. Creates a peripheral for a turtle being placed using this upgrade.
*
* The peripheral created will be stored for the lifetime of the upgrade and will be passed as an argument to {@link #update(ITurtleAccess,
* TurtleSide)}. It will be attached, detached and have methods called in the same manner as a Computer peripheral.
*
* @param turtle Access to the turtle that the peripheral is being created for.
* @param side Which side of the turtle (left or right) that the upgrade resides on.
* @return The newly created peripheral. You may return {@code null} if this upgrade is a Tool and this method is not expected to be called.
*/
@Nullable
default IPeripheral createPeripheral(@Nonnull ITurtleAccess turtle, @Nonnull TurtleSide side) {
return null;
}
/**
* Will only be called for Tool turtle. Called when turtle.dig() or turtle.attack() is called by the turtle, and the tool is required to do some work.
*
* Conforming implementations should fire {@code BlockEvent.BreakEvent} and {@link TurtleBlockEvent.Dig}for digging, {@code AttackEntityEvent} and
* {@link TurtleAttackEvent} for attacking.
*
* @param turtle Access to the turtle that the tool resides on.
* @param side Which side of the turtle (left or right) the tool resides on.
* @param verb Which action (dig or attack) the turtle is being called on to perform.
* @param direction Which world direction the action should be performed in, relative to the turtles position. This will either be up, down, or the
* direction the turtle is facing, depending on whether dig, digUp or digDown was called.
* @return Whether the turtle was able to perform the action, and hence whether the {@code turtle.dig()} or {@code turtle.attack()} lua method should
* return true. If true is returned, the tool will perform a swinging animation. You may return {@code null} if this turtle is a Peripheral and
* this method is not expected to be called.
*/
@Nonnull
default TurtleCommandResult useTool(@Nonnull ITurtleAccess turtle, @Nonnull TurtleSide side, @Nonnull TurtleVerb verb, @Nonnull Direction direction) {
return TurtleCommandResult.failure();
}
/**
* Called to obtain the model to be used when rendering a turtle peripheral.
*
* This can be obtained from {@link net.minecraft.client.render.item.ItemModels#getModel(ItemStack)}, {@link
* net.minecraft.client.render.model.BakedModelManager#getModel(ModelIdentifier)} or any other source.
*
* @param turtle Access to the turtle that the upgrade resides on. This will be null when getting item models!
* @param side Which side of the turtle (left or right) the upgrade resides on.
* @return The model that you wish to be used to render your upgrade, and a transformation to apply to it. Returning a transformation of {@code null}
* has the same effect as the identify matrix.
*/
@Nonnull
@Environment (EnvType.CLIENT)
Pair<BakedModel, Matrix4f> getModel(@Nullable ITurtleAccess turtle, @Nonnull TurtleSide side);
/**
* Called once per tick for each turtle which has the upgrade equipped.
*
* @param turtle Access to the turtle that the upgrade resides on.
* @param side Which side of the turtle (left or right) the upgrade resides on.
*/
default void update(@Nonnull ITurtleAccess turtle, @Nonnull TurtleSide side) {
}
}

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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.turtle;
/**
* An animation a turtle will play between executing commands.
*
* Each animation takes 8 ticks to complete unless otherwise specified.
*
* @see ITurtleAccess#playAnimation(TurtleAnimation)
*/
public enum TurtleAnimation {
/**
* An animation which does nothing. This takes no time to complete.
*
* @see #Wait
* @see #ShortWait
*/
None,
/**
* Make the turtle move forward. Note that the animation starts from the block <em>behind</em> it, and moves into this one.
*/
MoveForward,
/**
* Make the turtle move backwards. Note that the animation starts from the block <em>in front</em> it, and moves into this one.
*/
MoveBack,
/**
* Make the turtle move backwards. Note that the animation starts from the block <em>above</em> it, and moves into this one.
*/
MoveUp,
/**
* Make the turtle move backwards. Note that the animation starts from the block <em>below</em> it, and moves into this one.
*/
MoveDown,
/**
* Turn the turtle to the left. Note that the animation starts with the turtle facing <em>right</em>, and the turtle turns to face in the current
* direction.
*/
TurnLeft,
/**
* Turn the turtle to the left. Note that the animation starts with the turtle facing <em>right</em>, and the turtle turns to face in the current
* direction.
*/
TurnRight,
/**
* Swing the tool on the left.
*/
SwingLeftTool,
/**
* Swing the tool on the right.
*/
SwingRightTool,
/**
* Wait until the animation has finished, performing no movement.
*
* @see #ShortWait
* @see #None
*/
Wait,
/**
* Wait until the animation has finished, performing no movement. This takes 4 ticks to complete.
*
* @see #Wait
* @see #None
*/
ShortWait,
}

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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.turtle;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import net.minecraft.util.math.Direction;
/**
* Used to indicate the result of executing a turtle command.
*
* @see ITurtleCommand#execute(ITurtleAccess)
* @see ITurtleUpgrade#useTool(ITurtleAccess, TurtleSide, TurtleVerb, Direction)
*/
public final class TurtleCommandResult {
private static final TurtleCommandResult EMPTY_SUCCESS = new TurtleCommandResult(true, null, null);
private static final TurtleCommandResult EMPTY_FAILURE = new TurtleCommandResult(false, null, null);
private final boolean success;
private final String errorMessage;
private final Object[] results;
private TurtleCommandResult(boolean success, String errorMessage, Object[] results) {
this.success = success;
this.errorMessage = errorMessage;
this.results = results;
}
/**
* Create a successful command result with no result.
*
* @return A successful command result with no values.
*/
@Nonnull
public static TurtleCommandResult success() {
return EMPTY_SUCCESS;
}
/**
* Create a successful command result with the given result values.
*
* @param results The results of executing this command.
* @return A successful command result with the given values.
*/
@Nonnull
public static TurtleCommandResult success(@Nullable Object[] results) {
if (results == null || results.length == 0) {
return EMPTY_SUCCESS;
}
return new TurtleCommandResult(true, null, results);
}
/**
* Create a failed command result with no error message.
*
* @return A failed command result with no message.
*/
@Nonnull
public static TurtleCommandResult failure() {
return EMPTY_FAILURE;
}
/**
* Create a failed command result with an error message.
*
* @param errorMessage The error message to provide.
* @return A failed command result with a message.
*/
@Nonnull
public static TurtleCommandResult failure(@Nullable String errorMessage) {
if (errorMessage == null) {
return EMPTY_FAILURE;
}
return new TurtleCommandResult(false, errorMessage, null);
}
/**
* Determine whether the command executed successfully.
*
* @return If the command was successful.
*/
public boolean isSuccess() {
return this.success;
}
/**
* Get the error message of this command result.
*
* @return The command's error message, or {@code null} if it was a success.
*/
@Nullable
public String getErrorMessage() {
return this.errorMessage;
}
/**
* Get the resulting values of this command result.
*
* @return The command's result, or {@code null} if it was a failure.
*/
@Nullable
public Object[] getResults() {
return this.results;
}
}

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src/main/java/dan200/computercraft/api/turtle/TurtleSide.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.turtle;
/**
* An enum representing the two sides of the turtle that a turtle turtle might reside.
*/
public enum TurtleSide {
/**
* The turtle's left side (where the pickaxe usually is on a Wireless Mining Turtle)
*/
Left,
/**
* The turtle's right side (where the modem usually is on a Wireless Mining Turtle)
*/
Right,
}

40
src/main/java/dan200/computercraft/api/turtle/TurtleUpgradeType.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.turtle;
/**
* An enum representing the different types of turtle that an {@link ITurtleUpgrade} implementation can add to a turtle.
*
* @see ITurtleUpgrade#getType()
*/
public enum TurtleUpgradeType {
/**
* A tool is rendered as an item on the side of the turtle, and responds to the {@code turtle.dig()} and {@code turtle.attack()} methods (Such as
* pickaxe or sword on Mining and Melee turtles).
*/
Tool,
/**
* A peripheral adds a special peripheral which is attached to the side of the turtle, and can be interacted with the {@code peripheral} API (Such as
* the modem on Wireless Turtles).
*/
Peripheral,
/**
* An upgrade which provides both a tool and a peripheral. This can be used when you wish your upgrade to also provide methods. For example, a pickaxe
* could provide methods determining whether it can break the given block or not.
*/
Both;
public boolean isTool() {
return this == Tool || this == Both;
}
public boolean isPeripheral() {
return this == Peripheral || this == Both;
}
}

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src/main/java/dan200/computercraft/api/turtle/TurtleVerb.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.turtle;
import net.minecraft.util.math.Direction;
/**
* An enum representing the different actions that an {@link ITurtleUpgrade} of type Tool may be called on to perform by a turtle.
*
* @see ITurtleUpgrade#getType()
* @see ITurtleUpgrade#useTool(ITurtleAccess, TurtleSide, TurtleVerb, Direction)
*/
public enum TurtleVerb {
/**
* The turtle called {@code turtle.dig()}, {@code turtle.digUp()} or {@code turtle.digDown()}
*/
Dig,
/**
* The turtle called {@code turtle.attack()}, {@code turtle.attackUp()} or {@code turtle.attackDown()}
*/
Attack,
}

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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2018. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.api.turtle.event;
import java.util.Collection;
import java.util.OptionalInt;
import javax.annotation.Nullable;
import javax.crypto.SecretKey;
import com.mojang.authlib.GameProfile;
import io.netty.channel.ChannelHandlerContext;
import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.GenericFutureListener;
import net.minecraft.block.entity.CommandBlockBlockEntity;
import net.minecraft.block.entity.SignBlockEntity;
import net.minecraft.command.argument.EntityAnchorArgumentType;
import net.minecraft.entity.Entity;
import net.minecraft.entity.damage.DamageSource;
import net.minecraft.entity.effect.StatusEffectInstance;
import net.minecraft.entity.passive.HorseBaseEntity;
import net.minecraft.inventory.Inventory;
import net.minecraft.item.ItemStack;
import net.minecraft.network.ClientConnection;
import net.minecraft.network.MessageType;
import net.minecraft.network.NetworkSide;
import net.minecraft.network.NetworkState;
import net.minecraft.network.Packet;
import net.minecraft.network.packet.c2s.play.RequestCommandCompletionsC2SPacket;
import net.minecraft.network.packet.c2s.play.VehicleMoveC2SPacket;
import net.minecraft.recipe.Recipe;
import net.minecraft.screen.NamedScreenHandlerFactory;
import net.minecraft.screen.ScreenHandler;
import net.minecraft.server.network.ServerPlayNetworkHandler;
import net.minecraft.server.network.ServerPlayerEntity;
import net.minecraft.server.network.ServerPlayerInteractionManager;
import net.minecraft.server.world.ServerWorld;
import net.minecraft.sound.SoundCategory;
import net.minecraft.sound.SoundEvent;
import net.minecraft.text.Text;
import net.minecraft.util.Hand;
import net.minecraft.util.collection.DefaultedList;
import net.minecraft.util.math.ChunkPos;
import net.minecraft.util.math.Vec3d;
import net.minecraft.village.TraderOfferList;
import net.minecraft.world.GameMode;
import net.minecraft.world.dimension.DimensionType;
/**
* A wrapper for {@link ServerPlayerEntity} which denotes a "fake" player.
*
* Please note that this does not implement any of the traditional fake player behaviour. It simply exists to prevent me passing in normal players.
*/
public class FakePlayer extends ServerPlayerEntity {
public FakePlayer(ServerWorld world, GameProfile gameProfile) {
super(world.getServer(), world, gameProfile, new ServerPlayerInteractionManager(world));
this.networkHandler = new FakeNetHandler(this);
}
// region Direct networkHandler access
@Override
public void enterCombat() { }
@Override
public void endCombat() { }
@Override
public void tick() { }
@Override
public void playerTick() { }
@Override
public void onDeath(DamageSource damage) { }
@Override
public boolean startRiding(Entity entity, boolean flag) {
return false;
}
@Override
public void stopRiding() { }
@Override
public void openEditSignScreen(SignBlockEntity tile) { }
@Override
public OptionalInt openHandledScreen(@Nullable NamedScreenHandlerFactory container) {
return OptionalInt.empty();
}
@Override
public void sendTradeOffers(int id, TraderOfferList list, int level, int experience, boolean levelled, boolean refreshable) { }
@Override
public void openHorseInventory(HorseBaseEntity horse, Inventory inventory) { }
@Override
public void openEditBookScreen(ItemStack stack, Hand hand) { }
@Override
public void openCommandBlockScreen(CommandBlockBlockEntity block) { }
@Override
public void onSlotUpdate(ScreenHandler container, int slot, ItemStack stack) { }
@Override
public void onHandlerRegistered(ScreenHandler container, DefaultedList<ItemStack> defaultedList) { }
@Override
public void onPropertyUpdate(ScreenHandler container, int key, int value) { }
@Override
public void closeHandledScreen() { }
@Override
public void updateCursorStack() { }
@Override
public int unlockRecipes(Collection<Recipe<?>> recipes) {
return 0;
}
// Indirect
@Override
public int lockRecipes(Collection<Recipe<?>> recipes) {
return 0;
}
@Override
public void sendMessage(Text textComponent, boolean status) { }
@Override
protected void consumeItem() { }
@Override
public void lookAt(EntityAnchorArgumentType.EntityAnchor anchor, Vec3d vec3d) {}
@Override
public void method_14222(EntityAnchorArgumentType.EntityAnchor self, Entity entity, EntityAnchorArgumentType.EntityAnchor target) { }
@Override
protected void onStatusEffectApplied(StatusEffectInstance statusEffectInstance) { }
@Override
protected void onStatusEffectUpgraded(StatusEffectInstance statusEffectInstance, boolean particles) { }
@Override
protected void onStatusEffectRemoved(StatusEffectInstance statusEffectInstance) { }
@Override
public void requestTeleport(double x, double y, double z) { }
@Override
public void setGameMode(GameMode gameMode) { }
@Override
public String getIp() {
return "[Fake Player]";
}
@Override
public void sendResourcePackUrl(String url, String hash) { }
@Override
public void onStoppedTracking(Entity entity) { }
@Override
public void setCameraEntity(Entity entity) { }
@Override
public void teleport(ServerWorld serverWorld, double x, double y, double z, float pitch, float yaw) { }
@Override
public void sendInitialChunkPackets(ChunkPos chunkPos, Packet<?> packet, Packet<?> packet2) { }
@Override
public void sendUnloadChunkPacket(ChunkPos chunkPos) { }
@Override
public void playSound(SoundEvent soundEvent, SoundCategory soundCategory, float volume, float pitch) { }
@Nullable
@Override
public Entity changeDimension(DimensionType dimension) {
return this;
}
// endregion
@Override
public void wakeUp(boolean resetTimer, boolean notify, boolean setSpawn) { }
@Override
public void sendMessage(Text textComponent, MessageType chatMessageType) { }
//
private static class FakeNetHandler extends ServerPlayNetworkHandler {
FakeNetHandler(ServerPlayerEntity player) {
super(player.server, new FakeConnection(), player);
}
@Override
public void disconnect(Text message) { }
@Override
public void onVehicleMove(VehicleMoveC2SPacket move) { }
@Override
public void onRequestCommandCompletions(RequestCommandCompletionsC2SPacket packet) { }
@Override
public void sendPacket(Packet<?> packet, @Nullable GenericFutureListener<? extends Future<? super Void>> listener) { }
}
private static class FakeConnection extends ClientConnection {
FakeConnection() {
super(NetworkSide.CLIENTBOUND);
}
@Override
public void channelActive(ChannelHandlerContext active) {
}
@Override
public void setState(NetworkState state) {
}
@Override
public void exceptionCaught(ChannelHandlerContext context, Throwable err) {
}
@Override
protected void channelRead0(ChannelHandlerContext context, Packet<?> packet) {
}
@Override
public void send(Packet<?> packet, @Nullable GenericFutureListener<? extends Future<? super Void>> listener) {
}
@Override
public void tick() {
}
@Override
public void disconnect(Text message) {
}
@Override
public void setupEncryption(SecretKey key) {
}
@Override
public void disableAutoRead() {
}
@Override
public void setCompressionThreshold(int size) {
}
}
}

83
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.turtle.event;
/**
* A basic action that a turtle may perform, as accessed by the {@code turtle} API.
*
* @see TurtleActionEvent
*/
public enum TurtleAction {
/**
* A turtle moves to a new position.
*
* @see TurtleBlockEvent.Move
*/
MOVE,
/**
* A turtle turns in a specific direction.
*/
TURN,
/**
* A turtle attempts to dig a block.
*
* @see TurtleBlockEvent.Dig
*/
DIG,
/**
* A turtle attempts to place a block or item in the world.
*
* @see TurtleBlockEvent.Place
*/
PLACE,
/**
* A turtle attempts to attack an entity.
*
* @see TurtleActionEvent
*/
ATTACK,
/**
* Drop an item into an inventory/the world.
*
* @see TurtleInventoryEvent.Drop
*/
DROP,
/**
* Suck an item from an inventory or the world.
*
* @see TurtleInventoryEvent.Suck
*/
SUCK,
/**
* Refuel the turtle's fuel levels.
*/
REFUEL,
/**
* Equip or unequip an item.
*/
EQUIP,
/**
* Inspect a block in world
*
* @see TurtleBlockEvent.Inspect
*/
INSPECT,
/**
* Gather metdata about an item in the turtle's inventory.
*/
INSPECT_ITEM,
}

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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.turtle.event;
import java.util.Objects;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import dan200.computercraft.api.turtle.ITurtleAccess;
import dan200.computercraft.api.turtle.TurtleCommandResult;
/**
* An event fired when a turtle is performing a known action.
*/
public class TurtleActionEvent extends TurtleEvent {
private final TurtleAction action;
private String failureMessage;
private boolean cancelled = false;
public TurtleActionEvent(@Nonnull ITurtleAccess turtle, @Nonnull TurtleAction action) {
super(turtle);
Objects.requireNonNull(action, "action cannot be null");
this.action = action;
}
public TurtleAction getAction() {
return this.action;
}
/**
* Sets the cancellation state of this action.
*
* If {@code cancel} is {@code true}, this action will not be carried out.
*
* @param cancel The new canceled value.
* @see TurtleCommandResult#failure()
* @deprecated Use {@link #setCanceled(boolean, String)} instead.
*/
@Deprecated
public void setCanceled(boolean cancel) {
this.setCanceled(cancel, null);
}
/**
* Set the cancellation state of this action, setting a failure message if required.
*
* If {@code cancel} is {@code true}, this action will not be carried out.
*
* @param cancel The new canceled value.
* @param failureMessage The message to return to the user explaining the failure.
* @see TurtleCommandResult#failure(String)
*/
public void setCanceled(boolean cancel, @Nullable String failureMessage) {
this.cancelled = true;
this.failureMessage = cancel ? failureMessage : null;
}
/**
* Get the message with which this will fail.
*
* @return The failure message.
* @see TurtleCommandResult#failure()
* @see #setCanceled(boolean, String)
*/
@Nullable
public String getFailureMessage() {
return this.failureMessage;
}
/**
* Determine if this event is cancelled
*
* @return If this event is cancelled
* @see #setCanceled(boolean, String)
*/
public boolean isCancelled() {
return this.cancelled;
}
}

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src/main/java/dan200/computercraft/api/turtle/event/TurtleAttackEvent.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.turtle.event;
import java.util.Objects;
import javax.annotation.Nonnull;
import dan200.computercraft.api.turtle.ITurtleAccess;
import dan200.computercraft.api.turtle.ITurtleUpgrade;
import dan200.computercraft.api.turtle.TurtleSide;
import dan200.computercraft.api.turtle.TurtleVerb;
import net.minecraft.entity.Entity;
import net.minecraft.util.math.Direction;
/**
* Fired when a turtle attempts to attack an entity.
*
* This must be fired by {@link ITurtleUpgrade#useTool(ITurtleAccess, TurtleSide, TurtleVerb, Direction)}, as the base {@code turtle.attack()} command does
* not fire it.
*
* Note that such commands should also fire {@link net.fabricmc.fabric.api.event.player.AttackEntityCallback}, so you do not need to listen to both.
*
* @see TurtleAction#ATTACK
*/
public class TurtleAttackEvent extends TurtlePlayerEvent {
private final Entity target;
private final ITurtleUpgrade upgrade;
private final TurtleSide side;
public TurtleAttackEvent(@Nonnull ITurtleAccess turtle, @Nonnull FakePlayer player, @Nonnull Entity target, @Nonnull ITurtleUpgrade upgrade,
@Nonnull TurtleSide side) {
super(turtle, TurtleAction.ATTACK, player);
Objects.requireNonNull(target, "target cannot be null");
Objects.requireNonNull(upgrade, "upgrade cannot be null");
Objects.requireNonNull(side, "side cannot be null");
this.target = target;
this.upgrade = upgrade;
this.side = side;
}
/**
* Get the entity being attacked by this turtle.
*
* @return The entity being attacked.
*/
@Nonnull
public Entity getTarget() {
return this.target;
}
/**
* Get the upgrade responsible for attacking.
*
* @return The upgrade responsible for attacking.
*/
@Nonnull
public ITurtleUpgrade getUpgrade() {
return this.upgrade;
}
/**
* Get the side the attacking upgrade is on.
*
* @return The upgrade's side.
*/
@Nonnull
public TurtleSide getSide() {
return this.side;
}
}

216
src/main/java/dan200/computercraft/api/turtle/event/TurtleBlockEvent.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.turtle.event;
import java.util.Map;
import java.util.Objects;
import javax.annotation.Nonnull;
import dan200.computercraft.api.lua.ILuaContext;
import dan200.computercraft.api.peripheral.IComputerAccess;
import dan200.computercraft.api.turtle.ITurtleAccess;
import dan200.computercraft.api.turtle.ITurtleUpgrade;
import dan200.computercraft.api.turtle.TurtleSide;
import dan200.computercraft.api.turtle.TurtleVerb;
import net.minecraft.block.BlockState;
import net.minecraft.item.ItemStack;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.Direction;
import net.minecraft.world.World;
/**
* A general event for when a turtle interacts with a block or region.
*
* You should generally listen to one of the sub-events instead, cancelling them where appropriate.
*
* Note that you are not guaranteed to receive this event, if it has been cancelled by other mechanisms, such as block protection systems.
*
* Be aware that some events (such as {@link TurtleInventoryEvent}) do not necessarily interact with a block, simply objects within that block space.
*/
public abstract class TurtleBlockEvent extends TurtlePlayerEvent {
private final World world;
private final BlockPos pos;
protected TurtleBlockEvent(@Nonnull ITurtleAccess turtle, @Nonnull TurtleAction action, @Nonnull FakePlayer player, @Nonnull World world,
@Nonnull BlockPos pos) {
super(turtle, action, player);
Objects.requireNonNull(world, "world cannot be null");
Objects.requireNonNull(pos, "pos cannot be null");
this.world = world;
this.pos = pos;
}
/**
* Get the world the turtle is interacting in.
*
* @return The world the turtle is interacting in.
*/
public World getWorld() {
return this.world;
}
/**
* Get the position the turtle is interacting with. Note that this is different to {@link ITurtleAccess#getPosition()}.
*
* @return The position the turtle is interacting with.
*/
public BlockPos getPos() {
return this.pos;
}
/**
* Fired when a turtle attempts to dig a block.
*
* This must be fired by {@link ITurtleUpgrade#useTool(ITurtleAccess, TurtleSide, TurtleVerb, Direction)}, as the base {@code turtle.dig()} command does
* not fire it.
*
* Note that such commands should also fire {@link net.fabricmc.fabric.api.event.player.AttackBlockCallback}, so you do not need to listen to both.
*
* @see TurtleAction#DIG
*/
public static class Dig extends TurtleBlockEvent {
private final BlockState block;
private final ITurtleUpgrade upgrade;
private final TurtleSide side;
public Dig(@Nonnull ITurtleAccess turtle, @Nonnull FakePlayer player, @Nonnull World world, @Nonnull BlockPos pos, @Nonnull BlockState block,
@Nonnull ITurtleUpgrade upgrade, @Nonnull TurtleSide side) {
super(turtle, TurtleAction.DIG, player, world, pos);
Objects.requireNonNull(block, "block cannot be null");
Objects.requireNonNull(upgrade, "upgrade cannot be null");
Objects.requireNonNull(side, "side cannot be null");
this.block = block;
this.upgrade = upgrade;
this.side = side;
}
/**
* Get the block which is about to be broken.
*
* @return The block which is going to be broken.
*/
@Nonnull
public BlockState getBlock() {
return this.block;
}
/**
* Get the upgrade doing the digging
*
* @return The upgrade doing the digging.
*/
@Nonnull
public ITurtleUpgrade getUpgrade() {
return this.upgrade;
}
/**
* Get the side the upgrade doing the digging is on.
*
* @return The upgrade's side.
*/
@Nonnull
public TurtleSide getSide() {
return this.side;
}
}
/**
* Fired when a turtle attempts to move into a block.
*
* @see TurtleAction#MOVE
*/
public static class Move extends TurtleBlockEvent {
public Move(@Nonnull ITurtleAccess turtle, @Nonnull FakePlayer player, @Nonnull World world, @Nonnull BlockPos pos) {
super(turtle, TurtleAction.MOVE, player, world, pos);
}
}
/**
* Fired when a turtle attempts to place a block in the world.
*
* @see TurtleAction#PLACE
*/
public static class Place extends TurtleBlockEvent {
private final ItemStack stack;
public Place(@Nonnull ITurtleAccess turtle, @Nonnull FakePlayer player, @Nonnull World world, @Nonnull BlockPos pos, @Nonnull ItemStack stack) {
super(turtle, TurtleAction.PLACE, player, world, pos);
Objects.requireNonNull(stack, "stack cannot be null");
this.stack = stack;
}
/**
* Get the item stack that will be placed. This should not be modified.
*
* @return The item stack to be placed.
*/
@Nonnull
public ItemStack getStack() {
return this.stack;
}
}
/**
* Fired when a turtle gathers data on a block in world.
*
* You may prevent blocks being inspected, or add additional information to the result.
*
* @see TurtleAction#INSPECT
*/
public static class Inspect extends TurtleBlockEvent {
private final BlockState state;
private final Map<String, Object> data;
public Inspect(@Nonnull ITurtleAccess turtle, @Nonnull FakePlayer player, @Nonnull World world, @Nonnull BlockPos pos, @Nonnull BlockState state,
@Nonnull Map<String, Object> data) {
super(turtle, TurtleAction.INSPECT, player, world, pos);
Objects.requireNonNull(state, "state cannot be null");
Objects.requireNonNull(data, "data cannot be null");
this.data = data;
this.state = state;
}
/**
* Get the block state which is being inspected.
*
* @return The inspected block state.
*/
@Nonnull
public BlockState getState() {
return this.state;
}
/**
* Get the "inspection data" from this block, which will be returned to the user.
*
* @return This block's inspection data.
*/
@Nonnull
public Map<String, Object> getData() {
return this.data;
}
/**
* Add new information to the inspection result. Note this will override fields with the same name.
*
* @param newData The data to add. Note all values should be convertible to Lua (see
* {@link dan200.computercraft.api.peripheral.IPeripheral#callMethod(IComputerAccess,
* ILuaContext, int, Object[])}).
*/
public void addData(@Nonnull Map<String, ?> newData) {
Objects.requireNonNull(newData, "newData cannot be null");
this.data.putAll(newData);
}
}
}

48
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.turtle.event;
import java.util.Objects;
import javax.annotation.Nonnull;
import com.google.common.eventbus.EventBus;
import dan200.computercraft.api.turtle.ITurtleAccess;
/**
* A base class for all events concerning a turtle. This will only ever constructed and fired on the server side, so sever specific methods on {@link
* ITurtleAccess} are safe to use.
*
* You should generally not need to subscribe to this event, preferring one of the more specific classes.
*
* @see TurtleActionEvent
*/
public abstract class TurtleEvent {
public static final EventBus EVENT_BUS = new EventBus();
private final ITurtleAccess turtle;
protected TurtleEvent(@Nonnull ITurtleAccess turtle) {
Objects.requireNonNull(turtle, "turtle cannot be null");
this.turtle = turtle;
}
public static boolean post(TurtleActionEvent event) {
EVENT_BUS.post(event);
return event.isCancelled();
}
/**
* Get the turtle which is performing this action.
*
* @return The access for this turtle.
*/
@Nonnull
public ITurtleAccess getTurtle() {
return this.turtle;
}
}

72
src/main/java/dan200/computercraft/api/turtle/event/TurtleInspectItemEvent.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.api.turtle.event;
import java.util.Map;
import java.util.Objects;
import javax.annotation.Nonnull;
import dan200.computercraft.api.lua.ILuaContext;
import dan200.computercraft.api.peripheral.IComputerAccess;
import dan200.computercraft.api.turtle.ITurtleAccess;
import net.minecraft.item.ItemStack;
/**
* Fired when a turtle gathers data on an item in its inventory.
*
* You may prevent items being inspected, or add additional information to the result. Be aware that this is fired on the computer thread, and so any
* operations on it must be thread safe.
*
* @see TurtleAction#INSPECT_ITEM
*/
public class TurtleInspectItemEvent extends TurtleActionEvent {
private final ItemStack stack;
private final Map<String, Object> data;
public TurtleInspectItemEvent(@Nonnull ITurtleAccess turtle, @Nonnull ItemStack stack, @Nonnull Map<String, Object> data) {
super(turtle, TurtleAction.INSPECT_ITEM);
Objects.requireNonNull(stack, "stack cannot be null");
Objects.requireNonNull(data, "data cannot be null");
this.stack = stack;
this.data = data;
}
/**
* The item which is currently being inspected.
*
* @return The item stack which is being inspected. This should <b>not</b> be modified.
*/
@Nonnull
public ItemStack getStack() {
return this.stack;
}
/**
* Get the "inspection data" from this item, which will be returned to the user.
*
* @return This items's inspection data.
*/
@Nonnull
public Map<String, Object> getData() {
return this.data;
}
/**
* Add new information to the inspection result. Note this will override fields with the same name.
*
* @param newData The data to add. Note all values should be convertible to Lua (see
* {@link dan200.computercraft.api.peripheral.IPeripheral#callMethod(IComputerAccess,
* ILuaContext, int, Object[])}).
*/
public void addData(@Nonnull Map<String, ?> newData) {
Objects.requireNonNull(newData, "newData cannot be null");
this.data.putAll(newData);
}
}

80
src/main/java/dan200/computercraft/api/turtle/event/TurtleInventoryEvent.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.turtle.event;
import java.util.Objects;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import dan200.computercraft.api.turtle.ITurtleAccess;
import net.minecraft.inventory.Inventory;
import net.minecraft.item.ItemStack;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;
/**
* Fired when a turtle attempts to interact with an inventory.
*/
public abstract class TurtleInventoryEvent extends TurtleBlockEvent {
private final Inventory handler;
protected TurtleInventoryEvent(@Nonnull ITurtleAccess turtle, @Nonnull TurtleAction action, @Nonnull FakePlayer player, @Nonnull World world,
@Nonnull BlockPos pos, @Nullable Inventory handler) {
super(turtle, action, player, world, pos);
this.handler = handler;
}
/**
* Get the inventory being interacted with
*
* @return The inventory being interacted with, {@code null} if the item will be dropped to/sucked from the world.
*/
@Nullable
public Inventory getItemHandler() {
return this.handler;
}
/**
* Fired when a turtle attempts to suck from an inventory.
*
* @see TurtleAction#SUCK
*/
public static class Suck extends TurtleInventoryEvent {
public Suck(@Nonnull ITurtleAccess turtle, @Nonnull FakePlayer player, @Nonnull World world, @Nonnull BlockPos pos, @Nullable Inventory handler) {
super(turtle, TurtleAction.SUCK, player, world, pos, handler);
}
}
/**
* Fired when a turtle attempts to drop an item into an inventory.
*
* @see TurtleAction#DROP
*/
public static class Drop extends TurtleInventoryEvent {
private final ItemStack stack;
public Drop(@Nonnull ITurtleAccess turtle, @Nonnull FakePlayer player, @Nonnull World world, @Nonnull BlockPos pos, @Nullable Inventory handler,
@Nonnull ItemStack stack) {
super(turtle, TurtleAction.DROP, player, world, pos, handler);
Objects.requireNonNull(stack, "stack cannot be null");
this.stack = stack;
}
/**
* The item which will be inserted into the inventory/dropped on the ground.
*
* @return The item stack which will be dropped. This should <b>not</b> be modified.
*/
@Nonnull
public ItemStack getStack() {
return this.stack;
}
}
}

41
src/main/java/dan200/computercraft/api/turtle/event/TurtlePlayerEvent.java
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/*
* This file is part of the public ComputerCraft API - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. This API may be redistributed unmodified and in full only.
* For help using the API, and posting your mods, visit the forums at computercraft.info.
*/
package dan200.computercraft.api.turtle.event;
import java.util.Objects;
import javax.annotation.Nonnull;
import dan200.computercraft.api.turtle.ITurtleAccess;
/**
* An action done by a turtle which is normally done by a player.
*
* {@link #getPlayer()} may be used to modify the player's attributes or perform permission checks.
*/
public abstract class TurtlePlayerEvent extends TurtleActionEvent {
private final FakePlayer player;
protected TurtlePlayerEvent(@Nonnull ITurtleAccess turtle, @Nonnull TurtleAction action, @Nonnull FakePlayer player) {
super(turtle, action);
Objects.requireNonNull(player, "player cannot be null");
this.player = player;
}
/**
* A fake player, representing this turtle.
*
* This may be used for triggering permission checks.
*
* @return A {@link FakePlayer} representing this turtle.
*/
@Nonnull
public FakePlayer getPlayer() {
return this.player;
}
}

85
src/main/java/dan200/computercraft/api/turtle/event/TurtleRefuelEvent.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.api.turtle.event;
import java.util.Objects;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import dan200.computercraft.api.turtle.ITurtleAccess;
import net.minecraft.item.ItemStack;
/**
* Fired when a turtle attempts to refuel from an item.
*
* One may use {@link #setCanceled(boolean, String)} to prevent refueling from this specific item. Additionally, you may use {@link #setHandler(Handler)} to
* register a custom fuel provider.
*/
public class TurtleRefuelEvent extends TurtleActionEvent {
private final ItemStack stack;
private Handler handler;
public TurtleRefuelEvent(@Nonnull ITurtleAccess turtle, @Nonnull ItemStack stack) {
super(turtle, TurtleAction.REFUEL);
Objects.requireNonNull(turtle, "turtle cannot be null");
this.stack = stack;
}
/**
* Get the stack we are attempting to refuel from.
*
* Do not modify the returned stack - all modifications should be done within the {@link Handler}.
*
* @return The stack to refuel from.
*/
public ItemStack getStack() {
return this.stack;
}
/**
* Get the refuel handler for this stack.
*
* @return The refuel handler, or {@code null} if none has currently been set.
* @see #setHandler(Handler)
*/
@Nullable
public Handler getHandler() {
return this.handler;
}
/**
* Set the refuel handler for this stack.
*
* You should call this if you can actually refuel from this item, and ideally only if there are no existing handlers.
*
* @param handler The new refuel handler.
* @see #getHandler()
*/
public void setHandler(@Nullable Handler handler) {
this.handler = handler;
}
/**
* Handles refuelling a turtle from a specific item.
*/
@FunctionalInterface
public interface Handler {
/**
* Refuel a turtle using an item.
*
* @param turtle The turtle to refuel.
* @param stack The stack to refuel with.
* @param slot The slot the stack resides within. This may be used to modify the inventory afterwards.
* @param limit The maximum number of refuel operations to perform. This will often correspond to the number of items to consume.
* @return The amount of fuel gained.
*/
int refuel(@Nonnull ITurtleAccess turtle, @Nonnull ItemStack stack, int slot, int limit);
}
}

113
src/main/java/dan200/computercraft/client/ClientRegistry.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client;
import java.util.HashSet;
import java.util.function.Consumer;
import dan200.computercraft.ComputerCraft;
import dan200.computercraft.shared.common.IColouredItem;
import dan200.computercraft.shared.media.items.ItemDisk;
import dan200.computercraft.shared.pocket.items.ItemPocketComputer;
import dan200.computercraft.shared.util.Colour;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.client.MinecraftClient;
import net.minecraft.client.render.model.BakedModel;
import net.minecraft.client.render.model.ModelLoader;
import net.minecraft.client.render.model.ModelRotation;
import net.minecraft.client.render.model.UnbakedModel;
import net.minecraft.client.texture.SpriteAtlasTexture;
import net.minecraft.client.util.ModelIdentifier;
import net.minecraft.resource.ResourceManager;
import net.minecraft.util.Identifier;
import net.fabricmc.fabric.api.client.render.ColorProviderRegistry;
import net.fabricmc.fabric.api.event.client.ClientSpriteRegistryCallback;
/**
* Registers textures and models for items.
*/
@Environment(EnvType.CLIENT)
public final class ClientRegistry {
private static final String[] EXTRA_MODELS = new String[] {
"turtle_modem_normal_off_left",
"turtle_modem_normal_on_left",
"turtle_modem_normal_off_right",
"turtle_modem_normal_on_right",
"turtle_modem_advanced_off_left",
"turtle_modem_advanced_on_left",
"turtle_modem_advanced_off_right",
"turtle_modem_advanced_on_right",
"turtle_crafting_table_left",
"turtle_crafting_table_right",
"turtle_speaker_upgrade_left",
"turtle_speaker_upgrade_right",
"turtle_colour",
"turtle_elf_overlay",
};
private static final String[] EXTRA_TEXTURES = new String[] {
// TODO: Gather these automatically from the model. I'm unable to get this working with Forge's current
// model loading code.
"block/turtle_colour",
"block/turtle_elf_overlay",
"block/turtle_crafty_face",
"block/turtle_speaker_face",
};
private ClientRegistry() {}
public static void onTextureStitchEvent(SpriteAtlasTexture atlasTexture, ClientSpriteRegistryCallback.Registry registry) {
for (String extra : EXTRA_TEXTURES) {
registry.register(new Identifier(ComputerCraft.MOD_ID, extra));
}
}
public static void onModelBakeEvent(ResourceManager manager, Consumer<ModelIdentifier> out) {
for (String model : EXTRA_MODELS) {
out.accept(new ModelIdentifier(new Identifier(ComputerCraft.MOD_ID, model), "inventory"));
}
}
public static void onItemColours() {
ColorProviderRegistry.ITEM.register((stack, layer) -> layer == 1 ? ((ItemDisk) stack.getItem()).getColour(stack) : 0xFFFFFF,
ComputerCraft.Items.disk);
ColorProviderRegistry.ITEM.register((stack, layer) -> {
switch (layer) {
case 0:
default:
return 0xFFFFFF;
case 1: // Frame colour
return IColouredItem.getColourBasic(stack);
case 2: // Light colour
{
int light = ItemPocketComputer.getLightState(stack);
return light == -1 ? Colour.Black.getHex() : light;
}
}
}, ComputerCraft.Items.pocketComputerNormal, ComputerCraft.Items.pocketComputerAdvanced);
// Setup turtle colours
ColorProviderRegistry.ITEM.register((stack, tintIndex) -> tintIndex == 0 ? ((IColouredItem) stack.getItem()).getColour(stack) : 0xFFFFFF,
ComputerCraft.Blocks.turtleNormal,
ComputerCraft.Blocks.turtleAdvanced);
}
private static BakedModel bake(ModelLoader loader, UnbakedModel model) {
model.getTextureDependencies(loader::getOrLoadModel, new HashSet<>());
SpriteAtlasTexture sprite = MinecraftClient.getInstance()
.getSpriteAtlas();
return model.bake(loader, spriteIdentifier -> MinecraftClient.getInstance()
.getSpriteAtlas(spriteIdentifier.getAtlasId()).apply(spriteIdentifier.getTextureId()), ModelRotation.X0_Y0);
}
}

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src/main/java/dan200/computercraft/client/ClientTableFormatter.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client;
import java.util.List;
import javax.annotation.Nullable;
import dan200.computercraft.shared.command.text.ChatHelpers;
import dan200.computercraft.shared.command.text.TableBuilder;
import dan200.computercraft.shared.command.text.TableFormatter;
import it.unimi.dsi.fastutil.ints.Int2IntOpenHashMap;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.text.OrderedText;
import org.apache.commons.lang3.StringUtils;
import net.minecraft.client.MinecraftClient;
import net.minecraft.client.font.TextRenderer;
import net.minecraft.client.gui.hud.ChatHud;
import net.minecraft.client.util.ChatMessages;
import net.minecraft.text.Text;
import net.minecraft.util.Formatting;
import net.minecraft.util.math.MathHelper;
@Environment(EnvType.CLIENT)
public class ClientTableFormatter implements TableFormatter {
public static final ClientTableFormatter INSTANCE = new ClientTableFormatter();
private static Int2IntOpenHashMap lastHeights = new Int2IntOpenHashMap();
@Override
@Nullable
public Text getPadding(Text component, int width) {
int extraWidth = width - this.getWidth(component);
if (extraWidth <= 0) {
return null;
}
TextRenderer renderer = renderer();
float spaceWidth = renderer.getWidth(" ");
int spaces = MathHelper.floor(extraWidth / spaceWidth);
int extra = extraWidth - (int) (spaces * spaceWidth);
return ChatHelpers.coloured(StringUtils.repeat(' ', spaces) + StringUtils.repeat((char) 712, extra), Formatting.GRAY);
}
private static TextRenderer renderer() {
return MinecraftClient.getInstance().textRenderer;
}
@Override
public int getColumnPadding() {
return 3;
}
@Override
public int getWidth(Text component) {
return renderer().getWidth(component.asString());
}
@Override
public void writeLine(int id, Text component) {
MinecraftClient mc = MinecraftClient.getInstance();
ChatHud chat = mc.inGameHud.getChatHud();
// Trim the text if it goes over the allowed length
int maxWidth = MathHelper.floor(chat.getWidth() / chat.getChatScale());
List<OrderedText> list = ChatMessages.breakRenderedChatMessageLines(component, maxWidth, mc.textRenderer);
if (!list.isEmpty()) {
chat.addMessage((Text) list.get(0), id);
}
}
@Override
public int display(TableBuilder table) {
ChatHud chat = MinecraftClient.getInstance().inGameHud.getChatHud();
int lastHeight = lastHeights.get(table.getId());
int height = TableFormatter.super.display(table);
lastHeights.put(table.getId(), height);
for (int i = height; i < lastHeight; i++) {
chat.removeMessage(i + table.getId());
}
return height;
}
}

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src/main/java/dan200/computercraft/client/FrameInfo.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client;
public final class FrameInfo {
private static int tick;
private static long renderFrame;
private FrameInfo() {
}
public static boolean getGlobalCursorBlink() {
return (tick / 8) % 2 == 0;
}
public static long getRenderFrame() {
return renderFrame;
}
public static void onTick() {
tick++;
}
public static void onRenderFrame() {
renderFrame++;
}
}

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src/main/java/dan200/computercraft/client/ModMenuIntegration.java
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package dan200.computercraft.client;
import java.util.function.Function;
import dan200.computercraft.ComputerCraft;
import dan200.computercraft.client.gui.GuiConfig;
import io.github.prospector.modmenu.api.ModMenuApi;
import net.minecraft.client.gui.screen.Screen;
public class ModMenuIntegration implements ModMenuApi {
@Override
public String getModId() {
return ComputerCraft.MOD_ID;
}
@Override
public Function<Screen, ? extends Screen> getConfigScreenFactory() {
return GuiConfig::getScreen;
}
}

371
src/main/java/dan200/computercraft/client/gui/FixedWidthFontRenderer.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.gui;
import java.util.Arrays;
import com.mojang.blaze3d.platform.GlStateManager;
import com.mojang.blaze3d.systems.RenderSystem;
import dan200.computercraft.client.FrameInfo;
import dan200.computercraft.core.terminal.Terminal;
import dan200.computercraft.core.terminal.TextBuffer;
import dan200.computercraft.shared.util.Colour;
import dan200.computercraft.shared.util.Palette;
import org.lwjgl.opengl.GL11;
import net.minecraft.client.MinecraftClient;
import net.minecraft.client.render.BufferBuilder;
import net.minecraft.client.render.RenderLayer;
import net.minecraft.client.render.RenderPhase;
import net.minecraft.client.render.Tessellator;
import net.minecraft.client.render.VertexConsumer;
import net.minecraft.client.render.VertexConsumerProvider;
import net.minecraft.client.render.VertexFormat;
import net.minecraft.client.render.VertexFormats;
import net.minecraft.client.texture.TextureManager;
import net.minecraft.client.util.math.AffineTransformation;
import net.minecraft.util.Identifier;
import net.minecraft.util.math.Matrix4f;
@SuppressWarnings ({
"MethodCallSideOnly",
"LocalVariableDeclarationSideOnly",
"VariableUseSideOnly"
})
public final class FixedWidthFontRenderer {
private static final Matrix4f IDENTITY = AffineTransformation.identity().getMatrix();
private static final Identifier FONT = new Identifier( "computercraft", "textures/gui/term_font.png" );
public static final int FONT_HEIGHT = 9;
public static final int FONT_WIDTH = 6;
public static final float WIDTH = 256.0f;
public static final float BACKGROUND_START = (WIDTH - 6.0f) / WIDTH;
public static final float BACKGROUND_END = (WIDTH - 4.0f) / WIDTH;
public static final RenderLayer TYPE = Type.MAIN;
private FixedWidthFontRenderer()
{
}
public static float toGreyscale( double[] rgb )
{
return (float) ((rgb[0] + rgb[1] + rgb[2]) / 3);
}
public static int getColour( char c, Colour def )
{
return 15 - Terminal.getColour(c, def );
}
private static void drawQuad(Matrix4f transform, VertexConsumer buffer, float x, float y, float width, float height, float r, float g, float b )
{
buffer.vertex( transform, x, y, 0 ).color( r, g, b, 1.0f ).texture( BACKGROUND_START, BACKGROUND_START ).next();
buffer.vertex( transform, x, y + height, 0 ).color( r, g, b, 1.0f ).texture( BACKGROUND_START, BACKGROUND_END ).next();
buffer.vertex( transform, x + width, y, 0 ).color( r, g, b, 1.0f ).texture( BACKGROUND_END, BACKGROUND_START ).next();
buffer.vertex( transform, x + width, y, 0 ).color( r, g, b, 1.0f ).texture( BACKGROUND_END, BACKGROUND_START ).next();
buffer.vertex( transform, x, y + height, 0 ).color( r, g, b, 1.0f ).texture( BACKGROUND_START, BACKGROUND_END ).next();
buffer.vertex( transform, x + width, y + height, 0 ).color( r, g, b, 1.0f ).texture( BACKGROUND_END, BACKGROUND_END ).next();
}
private static void drawQuad( Matrix4f transform, VertexConsumer buffer, float x, float y, float width, float height, Palette palette, boolean greyscale, char colourIndex )
{
double[] colour = palette.getColour( getColour( colourIndex, Colour.Black ) );
float r, g, b;
if( greyscale )
{
r = g = b = toGreyscale( colour );
}
else
{
r = (float) colour[0];
g = (float) colour[1];
b = (float) colour[2];
}
drawQuad( transform, buffer, x, y, width, height, r, g, b );
}
private static void drawBackground(
Matrix4f transform, VertexConsumer renderer, float x, float y,
TextBuffer backgroundColour, Palette palette, boolean greyscale,
float leftMarginSize, float rightMarginSize, float height
)
{
if( leftMarginSize > 0 )
{
drawQuad( transform, renderer, x - leftMarginSize, y, leftMarginSize, height, palette, greyscale, backgroundColour.charAt( 0 ) );
}
if( rightMarginSize > 0 )
{
drawQuad( transform, renderer, x + backgroundColour.length() * FONT_WIDTH, y, rightMarginSize, height, palette, greyscale, backgroundColour.charAt( backgroundColour.length() - 1 ) );
}
// Batch together runs of identical background cells.
int blockStart = 0;
char blockColour = '\0';
for( int i = 0; i < backgroundColour.length(); i++ )
{
char colourIndex = backgroundColour.charAt( i );
if( colourIndex == blockColour ) continue;
if( blockColour != '\0' )
{
drawQuad( transform, renderer, x + blockStart * FONT_WIDTH, y, FONT_WIDTH * (i - blockStart), height, palette, greyscale, blockColour );
}
blockColour = colourIndex;
blockStart = i;
}
if( blockColour != '\0' )
{
drawQuad( transform, renderer, x + blockStart * FONT_WIDTH, y, FONT_WIDTH * (backgroundColour.length() - blockStart), height, palette, greyscale, blockColour );
}
}
public static void drawString(
Matrix4f transform, VertexConsumer renderer, float x, float y,
TextBuffer text, TextBuffer textColour, TextBuffer backgroundColour,
Palette palette, boolean greyscale, float leftMarginSize, float rightMarginSize
)
{
if( backgroundColour != null )
{
drawBackground( transform, renderer, x, y, backgroundColour, palette, greyscale, leftMarginSize, rightMarginSize, FONT_HEIGHT );
}
for( int i = 0; i < text.length(); i++ )
{
double[] colour = palette.getColour( getColour( textColour.charAt( i ), Colour.Black ) );
float r, g, b;
if( greyscale )
{
r = g = b = toGreyscale( colour );
}
else
{
r = (float) colour[0];
g = (float) colour[1];
b = (float) colour[2];
}
// Draw char
int index = text.charAt( i );
if( index > 255 ) index = '?';
drawChar( transform, renderer, x + i * FONT_WIDTH, y, index, r, g, b );
}
}
public static void drawString(
float x, float y, TextBuffer text, TextBuffer textColour, TextBuffer backgroundColour,
Palette palette, boolean greyscale, float leftMarginSize, float rightMarginSize
)
{
bindFont();
VertexConsumerProvider.Immediate renderer = MinecraftClient.getInstance().getBufferBuilders().getEntityVertexConsumers();
drawString( IDENTITY, ((VertexConsumerProvider) renderer).getBuffer( TYPE ), x, y, text, textColour, backgroundColour, palette, greyscale, leftMarginSize, rightMarginSize );
renderer.draw();
}
public static void drawTerminalWithoutCursor(
Matrix4f transform, VertexConsumer buffer, float x, float y,
Terminal terminal, boolean greyscale,
float topMarginSize, float bottomMarginSize, float leftMarginSize, float rightMarginSize
)
{
Palette palette = terminal.getPalette();
int height = terminal.getHeight();
// Top and bottom margins
drawBackground(
transform, buffer, x, y - topMarginSize,
terminal.getBackgroundColourLine( 0 ), palette, greyscale,
leftMarginSize, rightMarginSize, topMarginSize
);
drawBackground(
transform, buffer, x, y + height * FONT_HEIGHT,
terminal.getBackgroundColourLine( height - 1 ), palette, greyscale,
leftMarginSize, rightMarginSize, bottomMarginSize
);
// The main text
for( int i = 0; i < height; i++ )
{
drawString(
transform, buffer, x, y + FixedWidthFontRenderer.FONT_HEIGHT * i,
terminal.getLine( i ), terminal.getTextColourLine( i ), terminal.getBackgroundColourLine( i ),
palette, greyscale, leftMarginSize, rightMarginSize
);
}
}
public static void drawCursor(
Matrix4f transform, VertexConsumer buffer, float x, float y,
Terminal terminal, boolean greyscale
)
{
Palette palette = terminal.getPalette();
int width = terminal.getWidth();
int height = terminal.getHeight();
int cursorX = terminal.getCursorX();
int cursorY = terminal.getCursorY();
if(terminal.getCursorBlink() && cursorX >= 0 && cursorX < width && cursorY >= 0 && cursorY < height && FrameInfo.getGlobalCursorBlink() )
{
double[] colour = palette.getColour( 15 - terminal.getTextColour() );
float r, g, b;
if( greyscale )
{
r = g = b = toGreyscale( colour );
}
else
{
r = (float) colour[0];
g = (float) colour[1];
b = (float) colour[2];
}
drawChar( transform, buffer, x + cursorX * FONT_WIDTH, y + cursorY * FONT_HEIGHT, '_', r, g, b );
}
}
public static void drawTerminal(
Matrix4f transform, VertexConsumer buffer, float x, float y,
Terminal terminal, boolean greyscale,
float topMarginSize, float bottomMarginSize, float leftMarginSize, float rightMarginSize
)
{
drawTerminalWithoutCursor( transform, buffer, x, y, terminal, greyscale, topMarginSize, bottomMarginSize, leftMarginSize, rightMarginSize );
drawCursor( transform, buffer, x, y, terminal, greyscale );
}
public static void drawTerminal(
Matrix4f transform, float x, float y, Terminal terminal, boolean greyscale,
float topMarginSize, float bottomMarginSize, float leftMarginSize, float rightMarginSize
)
{
bindFont();
VertexConsumerProvider.Immediate renderer = MinecraftClient.getInstance().getBufferBuilders().getEntityVertexConsumers();
VertexConsumer buffer = renderer.getBuffer( TYPE );
drawTerminal( transform, buffer, x, y, terminal, greyscale, topMarginSize, bottomMarginSize, leftMarginSize, rightMarginSize );
renderer.draw( TYPE );
}
public static void drawTerminal(
float x, float y, Terminal terminal, boolean greyscale,
float topMarginSize, float bottomMarginSize, float leftMarginSize, float rightMarginSize
)
{
drawTerminal( IDENTITY, x, y, terminal, greyscale, topMarginSize, bottomMarginSize, leftMarginSize, rightMarginSize );
}
public static void drawEmptyTerminal( Matrix4f transform, VertexConsumerProvider renderer, float x, float y, float width, float height )
{
Colour colour = Colour.Black;
drawQuad( transform, renderer.getBuffer( TYPE ), x, y, width, height, colour.getR(), colour.getG(), colour.getB() );
}
public static void drawEmptyTerminal( Matrix4f transform, float x, float y, float width, float height )
{
bindFont();
VertexConsumerProvider.Immediate renderer = MinecraftClient.getInstance().getBufferBuilders().getEntityVertexConsumers();
drawEmptyTerminal( transform, renderer, x, y, width, height );
renderer.draw();
}
public static void drawEmptyTerminal( float x, float y, float width, float height )
{
drawEmptyTerminal( IDENTITY, x, y, width, height );
}
public static void drawBlocker( Matrix4f transform, VertexConsumerProvider renderer, float x, float y, float width, float height )
{
Colour colour = Colour.Black;
drawQuad( transform, renderer.getBuffer( Type.BLOCKER ), x, y, width, height, colour.getR(), colour.getG(), colour.getB() );
}
private static void bindFont()
{
MinecraftClient.getInstance().getTextureManager().bindTexture( FONT );
RenderSystem.texParameter(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_CLAMP );
}
private static void drawChar( Matrix4f transform, VertexConsumer buffer, float x, float y, int index, float r, float g, float b )
{
// Short circuit to avoid the common case - the texture should be blank here after all.
if( index == '\0' || index == ' ' ) return;
int column = index % 16;
int row = index / 16;
int xStart = 1 + column * (FONT_WIDTH + 2);
int yStart = 1 + row * (FONT_HEIGHT + 2);
buffer.vertex( transform, x, y, 0f ).color( r, g, b, 1.0f ).texture( xStart / WIDTH, yStart / WIDTH ).next();
buffer.vertex( transform, x, y + FONT_HEIGHT, 0f ).color( r, g, b, 1.0f ).texture( xStart / WIDTH, (yStart + FONT_HEIGHT) / WIDTH ).next();
buffer.vertex( transform, x + FONT_WIDTH, y, 0f ).color( r, g, b, 1.0f ).texture( (xStart + FONT_WIDTH) / WIDTH, yStart / WIDTH ).next();
buffer.vertex( transform, x + FONT_WIDTH, y, 0f ).color( r, g, b, 1.0f ).texture( (xStart + FONT_WIDTH) / WIDTH, yStart / WIDTH ).next();
buffer.vertex( transform, x, y + FONT_HEIGHT, 0f ).color( r, g, b, 1.0f ).texture( xStart / WIDTH, (yStart + FONT_HEIGHT) / WIDTH ).next();
buffer.vertex( transform, x + FONT_WIDTH, y + FONT_HEIGHT, 0f ).color( r, g, b, 1.0f ).texture( (xStart + FONT_WIDTH) / WIDTH, (yStart + FONT_HEIGHT) / WIDTH ).next();
}
private static void greyscaleify(double[] rgb) {
Arrays.fill(rgb, (rgb[0] + rgb[1] + rgb[2]) / 3.0f);
}
public int getStringWidth(String s) {
if (s == null) {
return 0;
}
return s.length() * FONT_WIDTH;
}
private static final class Type extends RenderPhase
{
private static final int GL_MODE = GL11.GL_TRIANGLES;
private static final VertexFormat FORMAT = VertexFormats.POSITION_COLOR_TEXTURE;
static final RenderLayer MAIN = RenderLayer.of(
"terminal_font", FORMAT, GL_MODE, 1024,
false, false, // useDelegate, needsSorting
RenderLayer.MultiPhaseParameters.builder()
.texture( new Texture(FONT, false, false ) ) // blur, minimap
.alpha( ONE_TENTH_ALPHA )
.lightmap( DISABLE_LIGHTMAP )
.writeMaskState( COLOR_MASK )
.build( false )
);
static final RenderLayer BLOCKER = RenderLayer.of(
"terminal_blocker", FORMAT, GL_MODE, 256,
false, false, // useDelegate, needsSorting
RenderLayer.MultiPhaseParameters.builder()
.texture( new Texture(FONT, false, false ) ) // blur, minimap
.alpha( ONE_TENTH_ALPHA )
.writeMaskState( DEPTH_MASK )
.lightmap( DISABLE_LIGHTMAP )
.build( false )
);
private Type( String name, Runnable setup, Runnable destroy )
{
super( name, setup, destroy );
}
}
}

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src/main/java/dan200/computercraft/client/gui/GuiComputer.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.gui;
import com.mojang.blaze3d.platform.GlStateManager;
import dan200.computercraft.ComputerCraft;
import dan200.computercraft.client.gui.widgets.WidgetTerminal;
import dan200.computercraft.client.gui.widgets.WidgetWrapper;
import dan200.computercraft.shared.computer.blocks.TileComputer;
import dan200.computercraft.shared.computer.core.ClientComputer;
import dan200.computercraft.shared.computer.core.ComputerFamily;
import dan200.computercraft.shared.computer.inventory.ContainerComputer;
import org.lwjgl.glfw.GLFW;
import net.minecraft.client.MinecraftClient;
import net.minecraft.client.gui.screen.ingame.HandledScreen;
import net.minecraft.client.util.math.MatrixStack;
import net.minecraft.entity.player.PlayerInventory;
import net.minecraft.screen.ScreenHandler;
import net.minecraft.text.LiteralText;
import net.minecraft.util.Identifier;
public class GuiComputer<T extends ScreenHandler> extends HandledScreen<T> {
private static final MinecraftClient MINECRAFT = MinecraftClient.getInstance();
public static final Identifier BACKGROUND_NORMAL = new Identifier(ComputerCraft.MOD_ID, "textures/gui/corners_normal.png");
public static final Identifier BACKGROUND_ADVANCED = new Identifier(ComputerCraft.MOD_ID, "textures/gui/corners_advanced.png");
public static final Identifier BACKGROUND_COMMAND = new Identifier(ComputerCraft.MOD_ID, "textures/gui/corners_command.png");
public static final Identifier BACKGROUND_COLOUR = new Identifier(ComputerCraft.MOD_ID, "textures/gui/corners_colour.png");
private final ComputerFamily m_family;
private final ClientComputer m_computer;
private final int m_termWidth;
private final int m_termHeight;
private WidgetTerminal terminal;
private WidgetWrapper terminalWrapper;
public GuiComputer(T container, PlayerInventory player, ComputerFamily family, ClientComputer computer, int termWidth, int termHeight) {
super(container, player, new LiteralText(""));
this.m_family = family;
this.m_computer = computer;
this.m_termWidth = termWidth;
this.m_termHeight = termHeight;
this.terminal = null;
}
public static GuiComputer<ContainerComputer> create(int id, TileComputer computer, PlayerInventory player) {
return new GuiComputer<>(new ContainerComputer(id, computer),
player,
computer.getFamily(),
computer.createClientComputer(),
ComputerCraft.terminalWidth_computer,
ComputerCraft.terminalHeight_computer);
}
@Override
protected void init() {
MinecraftClient.getInstance().keyboard.setRepeatEvents(true);
int termPxWidth = this.m_termWidth * FixedWidthFontRenderer.FONT_WIDTH;
int termPxHeight = this.m_termHeight * FixedWidthFontRenderer.FONT_HEIGHT;
this.backgroundWidth = termPxWidth + 4 + 24;
this.backgroundHeight = termPxHeight + 4 + 24;
super.init();
this.terminal = new WidgetTerminal(MINECRAFT, () -> this.m_computer, this.m_termWidth, this.m_termHeight, 2, 2, 2, 2);
this.terminalWrapper = new WidgetWrapper(this.terminal, 2 + 12 + this.x, 2 + 12 + this.y, termPxWidth, termPxHeight);
this.children.add(this.terminalWrapper);
this.setFocused(this.terminalWrapper);
}
@Override
public void render(MatrixStack stack, int mouseX, int mouseY, float partialTicks) {
this.renderBackground(stack, 0);
super.render(stack, mouseX, mouseY, partialTicks);
this.drawMouseoverTooltip(stack, mouseX, mouseY);
}
@Override
public void drawBackground(MatrixStack stack, float partialTicks, int mouseX, int mouseY) {
// Work out where to draw
int startX = this.terminalWrapper.getX() - 2;
int startY = this.terminalWrapper.getY() - 2;
int endX = startX + this.terminalWrapper.getWidth() + 4;
int endY = startY + this.terminalWrapper.getHeight() + 4;
// Draw terminal
this.terminal.draw(this.terminalWrapper.getX(), this.terminalWrapper.getY());
// Draw a border around the terminal
GlStateManager.color4f(1.0f, 1.0f, 1.0f, 1.0f);
switch (this.m_family) {
case Normal:
default:
MINECRAFT.getTextureManager()
.bindTexture(BACKGROUND_NORMAL);
break;
case Advanced:
MINECRAFT.getTextureManager()
.bindTexture(BACKGROUND_ADVANCED);
break;
case Command:
MINECRAFT.getTextureManager()
.bindTexture(BACKGROUND_COMMAND);
break;
}
this.drawTexture(stack, startX - 12, startY - 12, 12, 28, 12, 12);
this.drawTexture(stack, startX - 12, endY, 12, 40, 12, 12);
this.drawTexture(stack, endX, startY - 12, 24, 28, 12, 12);
this.drawTexture(stack, endX, endY, 24, 40, 12, 12);
this.drawTexture(stack, startX, startY - 12, 0, 0, endX - startX, 12);
this.drawTexture(stack, startX, endY, 0, 12, endX - startX, 12);
this.drawTexture(stack, startX - 12, startY, 0, 28, 12, endY - startY);
this.drawTexture(stack, endX, startY, 36, 28, 12, endY - startY);
}
@Override
public boolean mouseDragged(double x, double y, int button, double deltaX, double deltaY) {
// Make sure drag events are propagated to children
return (this.getFocused() != null && this.getFocused().mouseDragged(x, y, button, deltaX, deltaY)) || super.mouseDragged(x, y, button, deltaX, deltaY);
}
@Override
public boolean mouseReleased(double x, double y, int button) {
// Make sure release events are propagated to children
return (this.getFocused() != null && this.getFocused().mouseReleased(x, y, button)) || super.mouseReleased(x, y, button);
}
@Override
public boolean keyPressed(int key, int scancode, int modifiers) {
// When pressing tab, send it to the computer first
return (key == GLFW.GLFW_KEY_TAB && this.getFocused() == this.terminalWrapper && this.terminalWrapper.keyPressed(key,
scancode,
modifiers)) || super.keyPressed(key,
scancode,
modifiers);
}
@Override
public void removed() {
super.removed();
this.children.remove(this.terminal);
this.terminal = null;
MINECRAFT.keyboard.setRepeatEvents(false);
}
@Override
public void tick() {
super.tick();
this.terminal.update();
}
}

228
src/main/java/dan200/computercraft/client/gui/GuiConfig.java
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package dan200.computercraft.client.gui;
import java.util.Arrays;
import dan200.computercraft.core.apis.http.websocket.Websocket;
import dan200.computercraft.shared.util.Config;
import me.shedaniel.clothconfig2.api.ConfigBuilder;
import me.shedaniel.clothconfig2.api.ConfigEntryBuilder;
import net.minecraft.client.gui.screen.Screen;
import net.minecraft.text.Text;
import net.minecraft.text.TranslatableText;
public final class GuiConfig {
private GuiConfig() {}
@SuppressWarnings ({
"LocalVariableDeclarationSideOnly",
"MethodCallSideOnly"
})
public static Screen getScreen(Screen parentScreen) {
Config config = Config.get();
ConfigBuilder builder = ConfigBuilder.create()
.setParentScreen(parentScreen)
.setTitle(new TranslatableText("gui.computercraft.config.title"))
.setSavingRunnable(() -> {
Config.save();
Config.sync();
});
ConfigEntryBuilder entryBuilder = ConfigEntryBuilder.create();
builder.getOrCreateCategory(key("general"))
.addEntry(entryBuilder.startIntField(key("computer_space_limit"), config.general.computer_space_limit)
.setSaveConsumer(v -> config.general.computer_space_limit = v)
.setDefaultValue(Config.defaultConfig.general.computer_space_limit)
.build())
.addEntry(entryBuilder.startIntField(key("floppy_space_limit"), config.general.floppy_space_limit)
.setSaveConsumer(v -> config.general.floppy_space_limit = v)
.setDefaultValue(Config.defaultConfig.general.floppy_space_limit)
.build())
.addEntry(entryBuilder.startIntField(key("maximum_open_files"), config.general.maximum_open_files)
.setSaveConsumer(v -> config.general.maximum_open_files = v)
.setDefaultValue(Config.defaultConfig.general.maximum_open_files)
.setMin(0)
.build())
.addEntry(entryBuilder.startBooleanToggle(key("disable_lua51_features"), config.general.disable_lua51_features)
.setSaveConsumer(v -> config.general.disable_lua51_features = v)
.setDefaultValue(Config.defaultConfig.general.disable_lua51_features)
.build())
.addEntry(entryBuilder.startStrField(key("default_computer_settings"), config.general.default_computer_settings)
.setSaveConsumer(v -> config.general.default_computer_settings = v)
.setDefaultValue(Config.defaultConfig.general.default_computer_settings)
.build())
.addEntry(entryBuilder.startBooleanToggle(key("debug_enabled"), config.general.debug_enabled)
.setSaveConsumer(v -> config.general.debug_enabled = v)
.setDefaultValue(Config.defaultConfig.general.debug_enabled)
.build())
.addEntry(entryBuilder.startBooleanToggle(key("log_computer_errors"), config.general.log_computer_errors)
.setSaveConsumer(v -> config.general.log_computer_errors = v)
.setDefaultValue(Config.defaultConfig.general.log_computer_errors)
.build());
builder.getOrCreateCategory(key("execution"))
.addEntry(entryBuilder.startIntField(key("execution.computer_threads"), config.execution.computer_threads)
.setSaveConsumer(v -> config.execution.computer_threads = v)
.setDefaultValue(Config.defaultConfig.execution.computer_threads)
.setMin(1)
.requireRestart()
.build())
.addEntry(entryBuilder.startLongField(key("execution.max_main_global_time"), config.execution.max_main_global_time)
.setSaveConsumer(v -> config.execution.max_main_global_time = v)
.setDefaultValue(Config.defaultConfig.execution.max_main_global_time)
.setMin(1)
.build())
.addEntry(entryBuilder.startLongField(key("execution.max_main_computer_time"), config.execution.max_main_computer_time)
.setSaveConsumer(v -> config.execution.max_main_computer_time = v)
.setDefaultValue(Config.defaultConfig.execution.max_main_computer_time)
.setMin(1)
.build());
builder.getOrCreateCategory(key("http"))
.addEntry(entryBuilder.startBooleanToggle(key("http.enabled"), config.http.enabled)
.setSaveConsumer(v -> config.http.enabled = v)
.setDefaultValue(Config.defaultConfig.http.enabled)
.build())
.addEntry(entryBuilder.startBooleanToggle(key("http.websocket_enabled"), config.http.websocket_enabled)
.setSaveConsumer(v -> config.http.websocket_enabled = v)
.setDefaultValue(Config.defaultConfig.http.websocket_enabled)
.build())
.addEntry(entryBuilder.startStrList(key("http.whitelist"), Arrays.asList(config.http.whitelist))
.setSaveConsumer(v -> config.http.whitelist = v.toArray(new String[0]))
.setDefaultValue(Arrays.asList(Config.defaultConfig.http.whitelist))
.build())
.addEntry(entryBuilder.startStrList(key("http.blacklist"), Arrays.asList(config.http.blacklist))
.setSaveConsumer(v -> config.http.blacklist = v.toArray(new String[0]))
.setDefaultValue(Arrays.asList(Config.defaultConfig.http.blacklist))
.build())
.addEntry(entryBuilder.startIntField(key("http.timeout"), config.http.timeout)
.setSaveConsumer(v -> config.http.timeout = v)
.setDefaultValue(Config.defaultConfig.http.timeout)
.setMin(0)
.build())
.addEntry(entryBuilder.startIntField(key("http.max_requests"), config.http.max_requests)
.setSaveConsumer(v -> config.http.max_requests = v)
.setDefaultValue(Config.defaultConfig.http.max_requests)
.setMin(0)
.build())
.addEntry(entryBuilder.startLongField(key("http.max_download"), config.http.max_download)
.setSaveConsumer(v -> config.http.max_download = v)
.setDefaultValue(Config.defaultConfig.http.max_download)
.setMin(0)
.build())
.addEntry(entryBuilder.startLongField(key("http.max_upload"), config.http.max_upload)
.setSaveConsumer(v -> config.http.max_upload = v)
.setDefaultValue(Config.defaultConfig.http.max_upload)
.setMin(0)
.build())
.addEntry(entryBuilder.startIntField(key("http.max_websockets"), config.http.max_websockets)
.setSaveConsumer(v -> config.http.max_websockets = v)
.setDefaultValue(Config.defaultConfig.http.max_websockets)
.setMin(1)
.build())
.addEntry(entryBuilder.startIntField(key("http.max_websocket_message"), config.http.max_websocket_message)
.setSaveConsumer(v -> config.http.max_websocket_message = v)
.setDefaultValue(Config.defaultConfig.http.max_websocket_message)
.setMin(0)
.setMax(Websocket.MAX_MESSAGE_SIZE)
.build());
builder.getOrCreateCategory(key("peripheral"))
.addEntry(entryBuilder.startBooleanToggle(key("peripheral.command_block_enabled"), config.peripheral.command_block_enabled)
.setSaveConsumer(v -> config.peripheral.command_block_enabled = v)
.setDefaultValue(Config.defaultConfig.peripheral.command_block_enabled)
.build())
.addEntry(entryBuilder.startIntField(key("peripheral.modem_range"), config.peripheral.modem_range)
.setSaveConsumer(v -> config.peripheral.modem_range = v)
.setDefaultValue(Config.defaultConfig.peripheral.modem_range)
.setMin(0)
.setMax(Config.MODEM_MAX_RANGE)
.build())
.addEntry(entryBuilder.startIntField(key("peripheral.modem_high_altitude_range"), config.peripheral.modem_high_altitude_range)
.setSaveConsumer(v -> config.peripheral.modem_high_altitude_range = v)
.setDefaultValue(Config.defaultConfig.peripheral.modem_high_altitude_range)
.setMin(0)
.setMax(Config.MODEM_MAX_RANGE)
.build())
.addEntry(entryBuilder.startIntField(key("peripheral.modem_range_during_storm"), config.peripheral.modem_range_during_storm)
.setSaveConsumer(v -> config.peripheral.modem_range_during_storm = v)
.setDefaultValue(Config.defaultConfig.peripheral.modem_range_during_storm)
.setMin(0)
.setMax(Config.MODEM_MAX_RANGE)
.build())
.addEntry(entryBuilder.startIntField(key("peripheral.modem_high_altitude_range_during_storm"),
config.peripheral.modem_high_altitude_range_during_storm)
.setSaveConsumer(v -> config.peripheral.modem_high_altitude_range_during_storm = v)
.setDefaultValue(Config.defaultConfig.peripheral.modem_high_altitude_range_during_storm)
.setMin(0)
.setMax(Config.MODEM_MAX_RANGE)
.build())
.addEntry(entryBuilder.startIntField(key("peripheral.max_notes_per_tick"), config.peripheral.max_notes_per_tick)
.setSaveConsumer(v -> config.peripheral.max_notes_per_tick = v)
.setDefaultValue(Config.defaultConfig.peripheral.max_notes_per_tick)
.setMin(1)
.build());
builder.getOrCreateCategory(key("turtle"))
.addEntry(entryBuilder.startBooleanToggle(key("turtle.need_fuel"), config.turtle.need_fuel)
.setSaveConsumer(v -> config.turtle.need_fuel = v)
.setDefaultValue(Config.defaultConfig.turtle.need_fuel)
.build())
.addEntry(entryBuilder.startIntField(key("turtle.normal_fuel_limit"), config.turtle.normal_fuel_limit)
.setSaveConsumer(v -> config.turtle.normal_fuel_limit = v)
.setDefaultValue(Config.defaultConfig.turtle.normal_fuel_limit)
.setMin(0)
.build())
.addEntry(entryBuilder.startIntField(key("turtle.advanced_fuel_limit"), config.turtle.advanced_fuel_limit)
.setSaveConsumer(v -> config.turtle.advanced_fuel_limit = v)
.setDefaultValue(Config.defaultConfig.turtle.advanced_fuel_limit)
.setMin(0)
.build())
.addEntry(entryBuilder.startBooleanToggle(key("turtle.obey_block_protection"), config.turtle.obey_block_protection)
.setSaveConsumer(v -> config.turtle.obey_block_protection = v)
.setDefaultValue(Config.defaultConfig.turtle.obey_block_protection)
.build())
.addEntry(entryBuilder.startStrList(key("turtle.disabled_actions"), Arrays.asList(config.turtle.disabled_actions))
.setSaveConsumer(v -> config.turtle.disabled_actions = v.toArray(new String[0]))
.setDefaultValue(Arrays.asList(Config.defaultConfig.turtle.disabled_actions))
.build());
return builder.build();
}
private static Text key(String name) {
return new TranslatableText("gui.computercraft.config." + name);
}
}

46
src/main/java/dan200/computercraft/client/gui/GuiDiskDrive.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.gui;
import com.mojang.blaze3d.platform.GlStateManager;
import dan200.computercraft.ComputerCraft;
import dan200.computercraft.shared.peripheral.diskdrive.ContainerDiskDrive;
import net.minecraft.client.gui.screen.ingame.HandledScreen;
import net.minecraft.client.resource.language.I18n;
import net.minecraft.entity.player.PlayerInventory;
import net.minecraft.util.Identifier;
public class GuiDiskDrive extends HandledScreen<ContainerDiskDrive> {
private static final Identifier BACKGROUND = new Identifier("computercraft", "textures/gui/disk_drive.png");
public GuiDiskDrive(ContainerDiskDrive container, PlayerInventory inventory) {
super(container, inventory, ComputerCraft.Blocks.diskDrive.getName());
}
@Override
protected void drawForeground(int par1, int par2) {
String title = this.getTitle().asFormattedString();
font.draw(title, (this.backgroundWidth - font.getWidth(title)) / 2.0f, 6, 0x404040);
font.draw(I18n.translate("container.inventory"), 8, (this.backgroundHeight - 96) + 2, 0x404040);
}
@Override
protected void drawBackground(float partialTicks, int mouseX, int mouseY) {
GlStateManager.color4f(1.0F, 1.0F, 1.0F, 1.0F);
minecraft.getTextureManager()
.bindTextureInner(BACKGROUND);
blit(this.x, this.y, 0, 0, this.backgroundWidth, this.backgroundHeight);
}
@Override
public void render(int mouseX, int mouseY, float partialTicks) {
renderBackground();
super.render(mouseX, mouseY, partialTicks);
this.drawMouseoverTooltip(mouseX, mouseY);
}
}

32
src/main/java/dan200/computercraft/client/gui/GuiPocketComputer.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.gui;
import dan200.computercraft.ComputerCraft;
import dan200.computercraft.shared.computer.core.ComputerFamily;
import dan200.computercraft.shared.pocket.inventory.ContainerPocketComputer;
import dan200.computercraft.shared.pocket.items.ItemPocketComputer;
import net.minecraft.entity.player.PlayerInventory;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
public class GuiPocketComputer extends GuiComputer<ContainerPocketComputer> {
public GuiPocketComputer(ContainerPocketComputer container, PlayerInventory player) {
super(container,
player,
getFamily(container.getStack()),
ItemPocketComputer.createClientComputer(container.getStack()),
ComputerCraft.terminalWidth_pocketComputer,
ComputerCraft.terminalHeight_pocketComputer);
}
private static ComputerFamily getFamily(ItemStack stack) {
Item item = stack.getItem();
return item instanceof ItemPocketComputer ? ((ItemPocketComputer) item).getFamily() : ComputerFamily.Normal;
}
}

50
src/main/java/dan200/computercraft/client/gui/GuiPrinter.java
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@@ -1,50 +0,0 @@
/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.gui;
import com.mojang.blaze3d.platform.GlStateManager;
import dan200.computercraft.ComputerCraft;
import dan200.computercraft.shared.peripheral.printer.ContainerPrinter;
import net.minecraft.client.gui.screen.ingame.HandledScreen;
import net.minecraft.client.resource.language.I18n;
import net.minecraft.entity.player.PlayerInventory;
import net.minecraft.util.Identifier;
public class GuiPrinter extends HandledScreen<ContainerPrinter> {
private static final Identifier BACKGROUND = new Identifier("computercraft", "textures/gui/printer.png");
public GuiPrinter(ContainerPrinter container, PlayerInventory player) {
super(container, player, ComputerCraft.Blocks.printer.getName());
}
@Override
protected void drawForeground(int mouseX, int mouseY) {
String title = this.getTitle().asFormattedString();
font.draw(title, (this.backgroundWidth - font.getWidth(title)) / 2.0f, 6, 0x404040);
font.draw(I18n.translate("container.inventory"), 8, this.backgroundHeight - 96 + 2, 0x404040);
}
@Override
protected void drawBackground(float f, int i, int j) {
GlStateManager.color4f(1.0F, 1.0F, 1.0F, 1.0F);
minecraft.getTextureManager()
.bindTextureInner(BACKGROUND);
blit(this.x, this.y, 0, 0, this.backgroundWidth, this.backgroundHeight);
if (this.handler.isPrinting()) {
blit(this.x + 34, this.y + 21, 176, 0, 25, 45);
}
}
@Override
public void render(int mouseX, int mouseY, float partialTicks) {
renderBackground();
super.render(mouseX, mouseY, partialTicks);
this.drawMouseoverTooltip(mouseX, mouseY);
}
}

125
src/main/java/dan200/computercraft/client/gui/GuiPrintout.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.gui;
import static dan200.computercraft.client.render.PrintoutRenderer.X_TEXT_MARGIN;
import static dan200.computercraft.client.render.PrintoutRenderer.Y_SIZE;
import static dan200.computercraft.client.render.PrintoutRenderer.Y_TEXT_MARGIN;
import static dan200.computercraft.client.render.PrintoutRenderer.drawBorder;
import static dan200.computercraft.client.render.PrintoutRenderer.drawText;
import com.mojang.blaze3d.platform.GlStateManager;
import dan200.computercraft.core.terminal.TextBuffer;
import dan200.computercraft.shared.common.ContainerHeldItem;
import dan200.computercraft.shared.media.items.ItemPrintout;
import net.minecraft.client.util.math.MatrixStack;
import org.lwjgl.glfw.GLFW;
import net.minecraft.client.gui.screen.ingame.HandledScreen;
import net.minecraft.entity.player.PlayerInventory;
public class GuiPrintout extends HandledScreen<ContainerHeldItem> {
private final boolean m_book;
private final int m_pages;
private final TextBuffer[] m_text;
private final TextBuffer[] m_colours;
private int m_page;
public GuiPrintout(ContainerHeldItem container, PlayerInventory player) {
super(container,
player,
container.getStack()
.getName());
this.backgroundHeight = Y_SIZE;
String[] text = ItemPrintout.getText(container.getStack());
this.m_text = new TextBuffer[text.length];
for (int i = 0; i < this.m_text.length; i++) {
this.m_text[i] = new TextBuffer(text[i]);
}
String[] colours = ItemPrintout.getColours(container.getStack());
this.m_colours = new TextBuffer[colours.length];
for (int i = 0; i < this.m_colours.length; i++) {
this.m_colours[i] = new TextBuffer(colours[i]);
}
this.m_page = 0;
this.m_pages = Math.max(this.m_text.length / ItemPrintout.LINES_PER_PAGE, 1);
this.m_book = ((ItemPrintout) container.getStack()
.getItem()).getType() == ItemPrintout.Type.BOOK;
}
@Override
public boolean keyPressed(int key, int scancode, int modifiers) {
if (super.keyPressed(key, scancode, modifiers)) {
return true;
}
if (key == GLFW.GLFW_KEY_RIGHT) {
if (this.m_page < this.m_pages - 1) {
this.m_page++;
}
return true;
}
if (key == GLFW.GLFW_KEY_LEFT) {
if (this.m_page > 0) {
this.m_page--;
}
return true;
}
return false;
}
@Override
public boolean mouseScrolled(double x, double y, double delta) {
if (super.mouseScrolled(x, y, delta)) {
return true;
}
if (delta < 0) {
// Scroll up goes to the next page
if (this.m_page < this.m_pages - 1) {
this.m_page++;
}
return true;
}
if (delta > 0) {
// Scroll down goes to the previous page
if (this.m_page > 0) {
this.m_page--;
}
return true;
}
return false;
}
@Override
public void drawBackground(MatrixStack stack, float partialTicks, int mouseX, int mouseY) {
// Draw the printout
GlStateManager.color4f(1.0f, 1.0f, 1.0f, 1.0f);
GlStateManager.enableDepthTest();
drawBorder(this.x, this.y, getZOffset(), this.m_page, this.m_pages, this.m_book);
drawText(this.x + X_TEXT_MARGIN, this.y + Y_TEXT_MARGIN, ItemPrintout.LINES_PER_PAGE * this.m_page, this.m_text, this.m_colours);
}
@Override
public void render(MatrixStack stack, int mouseX, int mouseY, float partialTicks) {
// We must take the background further back in order to not overlap with our printed pages.
setZOffset(getZOffset() - 1);
renderBackground(stack);
setZOffset(getZOffset() + 1);
super.render(stack, mouseX, mouseY, partialTicks);
this.drawMouseoverTooltip(stack, mouseX, mouseY);
}
}

126
src/main/java/dan200/computercraft/client/gui/GuiTurtle.java
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@@ -1,126 +0,0 @@
/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.gui;
import com.mojang.blaze3d.platform.GlStateManager;
import dan200.computercraft.ComputerCraft;
import dan200.computercraft.client.gui.widgets.WidgetTerminal;
import dan200.computercraft.client.gui.widgets.WidgetWrapper;
import dan200.computercraft.shared.computer.core.ClientComputer;
import dan200.computercraft.shared.computer.core.ComputerFamily;
import dan200.computercraft.shared.turtle.blocks.TileTurtle;
import dan200.computercraft.shared.turtle.inventory.ContainerTurtle;
import net.minecraft.client.util.math.MatrixStack;
import org.lwjgl.glfw.GLFW;
import net.minecraft.client.gui.screen.ingame.HandledScreen;
import net.minecraft.entity.player.PlayerInventory;
import net.minecraft.util.Identifier;
public class GuiTurtle extends HandledScreen<ContainerTurtle> {
private static final Identifier BACKGROUND_NORMAL = new Identifier("computercraft", "textures/gui/turtle_normal.png");
private static final Identifier BACKGROUND_ADVANCED = new Identifier("computercraft", "textures/gui/turtle_advanced.png");
private final ComputerFamily m_family;
private final ClientComputer m_computer;
private ContainerTurtle m_container;
private WidgetTerminal terminal;
private WidgetWrapper terminalWrapper;
public GuiTurtle(TileTurtle turtle, ContainerTurtle container, PlayerInventory player) {
super(container, player, turtle.getDisplayName());
this.m_container = container;
this.m_family = turtle.getFamily();
this.m_computer = turtle.getClientComputer();
this.backgroundWidth = 254;
this.backgroundHeight = 217;
}
@Override
protected void init() {
super.init();
client.keyboard.setRepeatEvents(true);
int termPxWidth = ComputerCraft.terminalWidth_turtle * FixedWidthFontRenderer.FONT_WIDTH;
int termPxHeight = ComputerCraft.terminalHeight_turtle * FixedWidthFontRenderer.FONT_HEIGHT;
this.terminal = new WidgetTerminal(client, () -> this.m_computer, ComputerCraft.terminalWidth_turtle, ComputerCraft.terminalHeight_turtle, 2, 2, 2, 2);
this.terminalWrapper = new WidgetWrapper(this.terminal, 2 + 8 + this.x, 2 + 8 + this.y, termPxWidth, termPxHeight);
this.children.add(this.terminalWrapper);
this.setFocused(this.terminalWrapper);
}
@Override
public boolean mouseDragged(double x, double y, int button, double deltaX, double deltaY) {
return (this.getFocused() != null && this.getFocused().mouseDragged(x, y, button, deltaX, deltaY)) || super.mouseDragged(x, y, button, deltaX, deltaY);
}
@Override
public boolean mouseReleased(double x, double y, int button) {
return (this.getFocused() != null && this.getFocused().mouseReleased(x, y, button)) || super.mouseReleased(x, y, button);
}
@Override
public boolean keyPressed(int key, int scancode, int modifiers) {
return (key == GLFW.GLFW_KEY_TAB && this.getFocused() == this.terminalWrapper && this.terminalWrapper.keyPressed(key,
scancode,
modifiers)) || super.keyPressed(key,
scancode,
modifiers);
}
@Override
public void removed() {
super.removed();
this.children.remove(this.terminal);
this.terminal = null;
client.keyboard.setRepeatEvents(false);
}
@Override
public void tick() {
super.tick();
this.terminal.update();
}
@Override
protected void drawBackground(MatrixStack stack, float partialTicks, int mouseX, int mouseY) {
// Draw term
boolean advanced = this.m_family == ComputerFamily.Advanced;
this.terminal.draw(this.terminalWrapper.getX(), this.terminalWrapper.getY());
// Draw border/inventory
GlStateManager.color4f(1.0F, 1.0F, 1.0F, 1.0F);
client.getTextureManager()
.bindTextureInner(advanced ? BACKGROUND_ADVANCED : BACKGROUND_NORMAL);
drawTexture(stack, this.x, this.y, 0, 0, this.backgroundWidth, this.backgroundHeight);
this.drawSelectionSlot(stack, advanced);
}
private void drawSelectionSlot(MatrixStack stack, boolean advanced) {
// Draw selection slot
int slot = this.m_container.getSelectedSlot();
if (slot >= 0) {
GlStateManager.color4f(1.0F, 1.0F, 1.0F, 1.0F);
int slotX = slot % 4;
int slotY = slot / 4;
client.getTextureManager()
.bindTextureInner(advanced ? BACKGROUND_ADVANCED : BACKGROUND_NORMAL);
drawTexture(stack, this.x + this.m_container.m_turtleInvStartX - 2 + slotX * 18, this.y + this.m_container.m_playerInvStartY - 2 + slotY * 18, 0, 217, 24, 24);
}
}
@Override
public void render(MatrixStack stack, int mouseX, int mouseY, float partialTicks) {
renderBackground(stack);
super.render(stack, mouseX, mouseY, partialTicks);
this.drawMouseoverTooltip(stack, mouseX, mouseY);
}
}

434
src/main/java/dan200/computercraft/client/gui/widgets/WidgetTerminal.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.gui.widgets;
import static dan200.computercraft.client.gui.FixedWidthFontRenderer.BACKGROUND;
import java.util.BitSet;
import java.util.function.Supplier;
import com.mojang.blaze3d.platform.GlStateManager;
import dan200.computercraft.client.FrameInfo;
import dan200.computercraft.client.gui.FixedWidthFontRenderer;
import dan200.computercraft.core.terminal.Terminal;
import dan200.computercraft.core.terminal.TextBuffer;
import dan200.computercraft.shared.computer.core.ClientComputer;
import dan200.computercraft.shared.computer.core.IComputer;
import dan200.computercraft.shared.util.Colour;
import dan200.computercraft.shared.util.Palette;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import org.lwjgl.glfw.GLFW;
import org.lwjgl.opengl.GL11;
import net.minecraft.SharedConstants;
import net.minecraft.client.MinecraftClient;
import net.minecraft.client.gui.Element;
import net.minecraft.client.render.BufferBuilder;
import net.minecraft.client.render.Tessellator;
import net.minecraft.client.render.VertexFormats;
@Environment(EnvType.CLIENT)
public class WidgetTerminal implements Element {
private static final float TERMINATE_TIME = 0.5f;
private final MinecraftClient minecraft;
private final Supplier<ClientComputer> computer;
private final int termWidth;
private final int termHeight;
private final int leftMargin;
private final int rightMargin;
private final int topMargin;
private final int bottomMargin;
private final BitSet keysDown = new BitSet(256);
private boolean focused;
private float terminateTimer = -1;
private float rebootTimer = -1;
private float shutdownTimer = -1;
private int lastMouseButton = -1;
private int lastMouseX = -1;
private int lastMouseY = -1;
public WidgetTerminal(MinecraftClient minecraft, Supplier<ClientComputer> computer, int termWidth, int termHeight, int leftMargin, int rightMargin,
int topMargin, int bottomMargin) {
this.minecraft = minecraft;
this.computer = computer;
this.termWidth = termWidth;
this.termHeight = termHeight;
this.leftMargin = leftMargin;
this.rightMargin = rightMargin;
this.topMargin = topMargin;
this.bottomMargin = bottomMargin;
}
@Override
public boolean mouseClicked(double mouseX, double mouseY, int button) {
ClientComputer computer = this.computer.get();
if (computer == null || !computer.isColour() || button < 0 || button > 2) {
return false;
}
Terminal term = computer.getTerminal();
if (term != null) {
int charX = (int) (mouseX / FixedWidthFontRenderer.FONT_WIDTH);
int charY = (int) (mouseY / FixedWidthFontRenderer.FONT_HEIGHT);
charX = Math.min(Math.max(charX, 0), term.getWidth() - 1);
charY = Math.min(Math.max(charY, 0), term.getHeight() - 1);
computer.mouseClick(button + 1, charX + 1, charY + 1);
this.lastMouseButton = button;
this.lastMouseX = charX;
this.lastMouseY = charY;
}
return true;
}
@Override
public boolean mouseReleased(double mouseX, double mouseY, int button) {
ClientComputer computer = this.computer.get();
if (computer == null || !computer.isColour() || button < 0 || button > 2) {
return false;
}
Terminal term = computer.getTerminal();
if (term != null) {
int charX = (int) (mouseX / FixedWidthFontRenderer.FONT_WIDTH);
int charY = (int) (mouseY / FixedWidthFontRenderer.FONT_HEIGHT);
charX = Math.min(Math.max(charX, 0), term.getWidth() - 1);
charY = Math.min(Math.max(charY, 0), term.getHeight() - 1);
if (this.lastMouseButton == button) {
computer.mouseUp(this.lastMouseButton + 1, charX + 1, charY + 1);
this.lastMouseButton = -1;
}
this.lastMouseX = charX;
this.lastMouseY = charY;
}
return false;
}
@Override
public boolean mouseDragged(double mouseX, double mouseY, int button, double v2, double v3) {
ClientComputer computer = this.computer.get();
if (computer == null || !computer.isColour() || button < 0 || button > 2) {
return false;
}
Terminal term = computer.getTerminal();
if (term != null) {
int charX = (int) (mouseX / FixedWidthFontRenderer.FONT_WIDTH);
int charY = (int) (mouseY / FixedWidthFontRenderer.FONT_HEIGHT);
charX = Math.min(Math.max(charX, 0), term.getWidth() - 1);
charY = Math.min(Math.max(charY, 0), term.getHeight() - 1);
computer.mouseDrag(button + 1, charX + 1, charY + 1);
this.lastMouseX = charX;
this.lastMouseY = charY;
this.lastMouseButton = button;
}
return false;
}
@Override
public boolean mouseScrolled(double mouseX, double mouseY, double delta) {
ClientComputer computer = this.computer.get();
if (computer == null || !computer.isColour() || delta == 0) {
return false;
}
Terminal term = computer.getTerminal();
if (term != null) {
int charX = (int) (mouseX / FixedWidthFontRenderer.FONT_WIDTH);
int charY = (int) (mouseY / FixedWidthFontRenderer.FONT_HEIGHT);
charX = Math.min(Math.max(charX, 0), term.getWidth() - 1);
charY = Math.min(Math.max(charY, 0), term.getHeight() - 1);
computer.mouseScroll(delta < 0 ? 1 : -1, charX + 1, charY + 1);
this.lastMouseX = charX;
this.lastMouseY = charY;
}
return true;
}
@Override
public boolean keyPressed(int key, int scancode, int modifiers) {
if (key == GLFW.GLFW_KEY_ESCAPE) {
return false;
}
if ((modifiers & GLFW.GLFW_MOD_CONTROL) != 0) {
switch (key) {
case GLFW.GLFW_KEY_T:
if (this.terminateTimer < 0) {
this.terminateTimer = 0;
}
return true;
case GLFW.GLFW_KEY_S:
if (this.shutdownTimer < 0) {
this.shutdownTimer = 0;
}
return true;
case GLFW.GLFW_KEY_R:
if (this.rebootTimer < 0) {
this.rebootTimer = 0;
}
return true;
case GLFW.GLFW_KEY_V:
// Ctrl+V for paste
String clipboard = this.minecraft.keyboard.getClipboard();
if (clipboard != null) {
// Clip to the first occurrence of \r or \n
int newLineIndex1 = clipboard.indexOf("\r");
int newLineIndex2 = clipboard.indexOf("\n");
if (newLineIndex1 >= 0 && newLineIndex2 >= 0) {
clipboard = clipboard.substring(0, Math.min(newLineIndex1, newLineIndex2));
} else if (newLineIndex1 >= 0) {
clipboard = clipboard.substring(0, newLineIndex1);
} else if (newLineIndex2 >= 0) {
clipboard = clipboard.substring(0, newLineIndex2);
}
// Filter the string
clipboard = SharedConstants.stripInvalidChars(clipboard);
if (!clipboard.isEmpty()) {
// Clip to 512 characters and queue the event
if (clipboard.length() > 512) {
clipboard = clipboard.substring(0, 512);
}
this.queueEvent("paste", clipboard);
}
return true;
}
}
}
if (key >= 0 && this.terminateTimer < 0 && this.rebootTimer < 0 && this.shutdownTimer < 0) {
// Queue the "key" event and add to the down set
boolean repeat = this.keysDown.get(key);
this.keysDown.set(key);
IComputer computer = this.computer.get();
if (computer != null) {
computer.keyDown(key, repeat);
}
}
return true;
}
@Override
public boolean keyReleased(int key, int scancode, int modifiers) {
// Queue the "key_up" event and remove from the down set
if (key >= 0 && this.keysDown.get(key)) {
this.keysDown.set(key, false);
IComputer computer = this.computer.get();
if (computer != null) {
computer.keyUp(key);
}
}
switch (key) {
case GLFW.GLFW_KEY_T:
this.terminateTimer = -1;
break;
case GLFW.GLFW_KEY_R:
this.rebootTimer = -1;
break;
case GLFW.GLFW_KEY_S:
this.shutdownTimer = -1;
break;
case GLFW.GLFW_KEY_LEFT_CONTROL:
case GLFW.GLFW_KEY_RIGHT_CONTROL:
this.terminateTimer = this.rebootTimer = this.shutdownTimer = -1;
break;
}
return true;
}
@Override
public boolean charTyped(char ch, int modifiers) {
if (ch >= 32 && ch <= 126 || ch >= 160 && ch <= 255) // printable chars in byte range
{
// Queue the "char" event
this.queueEvent("char", Character.toString(ch));
}
return true;
}
@Override
public boolean changeFocus(boolean reverse) {
if (this.focused) {
// When blurring, we should make all keys go up
for (int key = 0; key < this.keysDown.size(); key++) {
if (this.keysDown.get(key)) {
this.queueEvent("key_up", key);
}
}
this.keysDown.clear();
// When blurring, we should make the last mouse button go up
if (this.lastMouseButton > 0) {
IComputer computer = this.computer.get();
if (computer != null) {
computer.mouseUp(this.lastMouseButton + 1, this.lastMouseX + 1, this.lastMouseY + 1);
}
this.lastMouseButton = -1;
}
this.shutdownTimer = this.terminateTimer = this.rebootTimer = -1;
}
this.focused = !this.focused;
return true;
}
private void queueEvent(String event, Object... args) {
ClientComputer computer = this.computer.get();
if (computer != null) {
computer.queueEvent(event, args);
}
}
public void update() {
if (this.terminateTimer >= 0 && this.terminateTimer < TERMINATE_TIME && (this.terminateTimer += 0.05f) > TERMINATE_TIME) {
this.queueEvent("terminate");
}
if (this.shutdownTimer >= 0 && this.shutdownTimer < TERMINATE_TIME && (this.shutdownTimer += 0.05f) > TERMINATE_TIME) {
ClientComputer computer = this.computer.get();
if (computer != null) {
computer.shutdown();
}
}
if (this.rebootTimer >= 0 && this.rebootTimer < TERMINATE_TIME && (this.rebootTimer += 0.05f) > TERMINATE_TIME) {
ClientComputer computer = this.computer.get();
if (computer != null) {
computer.reboot();
}
}
}
private void queueEvent(String event) {
ClientComputer computer = this.computer.get();
if (computer != null) {
computer.queueEvent(event);
}
}
public void draw(int originX, int originY) {
synchronized (this.computer) {
// Draw the screen contents
ClientComputer computer = this.computer.get();
Terminal terminal = computer != null ? computer.getTerminal() : null;
if (terminal != null) {
// Draw the terminal
boolean greyscale = !computer.isColour();
Palette palette = terminal.getPalette();
// Get the data from the terminal first
// Unfortunately we have to keep the lock for the whole of drawing, so the text doesn't change under us.
FixedWidthFontRenderer fontRenderer = FixedWidthFontRenderer.instance();
boolean tblink = terminal.getCursorBlink() && FrameInfo.getGlobalCursorBlink();
int tw = terminal.getWidth();
int th = terminal.getHeight();
int tx = terminal.getCursorX();
int ty = terminal.getCursorY();
// Draw margins
TextBuffer emptyLine = new TextBuffer(' ', tw);
if (this.topMargin > 0) {
fontRenderer.drawString(emptyLine,
originX,
originY - this.topMargin,
terminal.getTextColourLine(0),
terminal.getBackgroundColourLine(0), this.leftMargin, this.rightMargin,
greyscale,
palette);
}
if (this.bottomMargin > 0) {
fontRenderer.drawString(emptyLine,
originX,
originY + this.bottomMargin + (th - 1) * FixedWidthFontRenderer.FONT_HEIGHT,
terminal.getTextColourLine(th - 1),
terminal.getBackgroundColourLine(th - 1), this.leftMargin, this.rightMargin,
greyscale,
palette);
}
// Draw lines
int y = originY;
for (int line = 0; line < th; line++) {
TextBuffer text = terminal.getLine(line);
TextBuffer colour = terminal.getTextColourLine(line);
TextBuffer backgroundColour = terminal.getBackgroundColourLine(line);
fontRenderer.drawString(text, originX, y, colour, backgroundColour, this.leftMargin, this.rightMargin, greyscale, palette);
y += FixedWidthFontRenderer.FONT_HEIGHT;
}
if (tblink && tx >= 0 && ty >= 0 && tx < tw && ty < th) {
TextBuffer cursor = new TextBuffer('_', 1);
TextBuffer cursorColour = new TextBuffer("0123456789abcdef".charAt(terminal.getTextColour()), 1);
fontRenderer.drawString(cursor,
originX + FixedWidthFontRenderer.FONT_WIDTH * tx,
originY + FixedWidthFontRenderer.FONT_HEIGHT * ty,
cursorColour,
null,
0,
0,
greyscale,
palette);
}
} else {
// Draw a black background
Colour black = Colour.Black;
GlStateManager.color4f(black.getR(), black.getG(), black.getB(), 1.0f);
try {
int x = originX - this.leftMargin;
int y = originY - this.rightMargin;
int width = this.termWidth * FixedWidthFontRenderer.FONT_WIDTH + this.leftMargin + this.rightMargin;
int height = this.termHeight * FixedWidthFontRenderer.FONT_HEIGHT + this.topMargin + this.bottomMargin;
this.minecraft.getTextureManager()
.bindTextureInner(BACKGROUND);
Tessellator tesslector = Tessellator.getInstance();
BufferBuilder buffer = tesslector.getBuffer();
buffer.begin(GL11.GL_QUADS, VertexFormats.POSITION_TEXTURE);
buffer.vertex(x, y + height, 0)
.texture(0 / 256.0f, height / 256.0f)
.next();
buffer.vertex(x + width, y + height, 0)
.texture(width / 256.0f, height / 256.f)
.next();
buffer.vertex(x + width, y, 0)
.texture(width / 256.0f, 0 / 256.0f)
.next();
buffer.vertex(x, y, 0)
.texture(0 / 256.0f, 0 / 256.0f)
.next();
tesslector.draw();
} finally {
GlStateManager.color4f(1.0f, 1.0f, 1.0f, 1.0f);
}
}
}
}
}

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src/main/java/dan200/computercraft/client/gui/widgets/WidgetWrapper.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.gui.widgets;
import net.minecraft.client.gui.Element;
public class WidgetWrapper implements Element {
private final Element listener;
private final int x;
private final int y;
private final int width;
private final int height;
public WidgetWrapper(Element listener, int x, int y, int width, int height) {
this.listener = listener;
this.x = x;
this.y = y;
this.width = width;
this.height = height;
}
@Override
public void mouseMoved(double x, double y) {
double dx = x - this.x, dy = y - this.y;
if (dx >= 0 && dx < this.width && dy >= 0 && dy < this.height) {
this.listener.mouseMoved(dx, dy);
}
}
@Override
public boolean mouseClicked(double x, double y, int button) {
double dx = x - this.x, dy = y - this.y;
return dx >= 0 && dx < this.width && dy >= 0 && dy < this.height && this.listener.mouseClicked(dx, dy, button);
}
@Override
public boolean mouseReleased(double x, double y, int button) {
double dx = x - this.x, dy = y - this.y;
return dx >= 0 && dx < this.width && dy >= 0 && dy < this.height && this.listener.mouseReleased(dx, dy, button);
}
@Override
public boolean mouseDragged(double x, double y, int button, double deltaX, double deltaY) {
double dx = x - this.x, dy = y - this.y;
return dx >= 0 && dx < this.width && dy >= 0 && dy < this.height && this.listener.mouseDragged(dx, dy, button, deltaX, deltaY);
}
@Override
public boolean mouseScrolled(double x, double y, double delta) {
double dx = x - this.x, dy = y - this.y;
return dx >= 0 && dx < this.width && dy >= 0 && dy < this.height && this.listener.mouseScrolled(dx, dy, delta);
}
@Override
public boolean keyPressed(int key, int scancode, int modifiers) {
return this.listener.keyPressed(key, scancode, modifiers);
}
@Override
public boolean keyReleased(int key, int scancode, int modifiers) {
return this.listener.keyReleased(key, scancode, modifiers);
}
@Override
public boolean charTyped(char character, int modifiers) {
return this.listener.charTyped(character, modifiers);
}
@Override
public boolean changeFocus(boolean reverse) {
return this.listener.changeFocus(reverse);
}
@Override
public boolean isMouseOver(double x, double y) {
double dx = x - this.x, dy = y - this.y;
return dx >= 0 && dx < this.width && dy >= 0 && dy < this.height;
}
public int getX() {
return this.x;
}
public int getY() {
return this.y;
}
public int getWidth() {
return this.width;
}
public int getHeight() {
return this.height;
}
}

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src/main/java/dan200/computercraft/client/proxy/ComputerCraftProxyClient.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.proxy;
import dan200.computercraft.ComputerCraft;
import dan200.computercraft.client.ClientRegistry;
import dan200.computercraft.client.FrameInfo;
import dan200.computercraft.client.gui.GuiComputer;
import dan200.computercraft.client.gui.GuiDiskDrive;
import dan200.computercraft.client.gui.GuiPocketComputer;
import dan200.computercraft.client.gui.GuiPrinter;
import dan200.computercraft.client.gui.GuiPrintout;
import dan200.computercraft.client.gui.GuiTurtle;
import dan200.computercraft.client.render.TileEntityCableRenderer;
import dan200.computercraft.client.render.TileEntityMonitorRenderer;
import dan200.computercraft.client.render.TileEntityTurtleRenderer;
import dan200.computercraft.client.render.TurtleModelLoader;
import dan200.computercraft.shared.computer.blocks.TileComputer;
import dan200.computercraft.shared.computer.core.ClientComputer;
import dan200.computercraft.shared.computer.inventory.ContainerViewComputer;
import dan200.computercraft.shared.network.container.ContainerType;
import dan200.computercraft.shared.network.container.PocketComputerContainerType;
import dan200.computercraft.shared.network.container.PrintoutContainerType;
import dan200.computercraft.shared.network.container.TileEntityContainerType;
import dan200.computercraft.shared.network.container.ViewComputerContainerType;
import dan200.computercraft.shared.peripheral.modem.wired.TileCable;
import dan200.computercraft.shared.peripheral.monitor.TileMonitor;
import dan200.computercraft.shared.turtle.blocks.TileTurtle;
import dan200.computercraft.shared.turtle.inventory.ContainerTurtle;
import net.fabricmc.fabric.api.client.rendereregistry.v1.BlockEntityRendererRegistry;
import net.minecraft.client.texture.SpriteAtlasTexture;
import net.minecraft.inventory.SimpleInventory;
import net.minecraft.screen.ArrayPropertyDelegate;
import net.fabricmc.fabric.api.client.model.ModelLoadingRegistry;
import net.fabricmc.fabric.api.event.client.ClientSpriteRegistryCallback;
import net.fabricmc.fabric.api.event.client.ClientTickCallback;
public final class ComputerCraftProxyClient {
public static void setup() {
registerContainers();
// Setup TESRs
BlockEntityRendererRegistry.INSTANCE.register(TileMonitor.class, new TileEntityMonitorRenderer());
BlockEntityRendererRegistry.INSTANCE.register(TileCable.class, new TileEntityCableRenderer());
BlockEntityRendererRegistry.INSTANCE.register(TileTurtle.class, new TileEntityTurtleRenderer());
ClientRegistry.onItemColours();
ClientSpriteRegistryCallback.event(SpriteAtlasTexture.BLOCK_ATLAS_TEX)
.register(ClientRegistry::onTextureStitchEvent);
ModelLoadingRegistry.INSTANCE.registerAppender(ClientRegistry::onModelBakeEvent);
ModelLoadingRegistry.INSTANCE.registerResourceProvider(loader -> (name, context) -> TurtleModelLoader.INSTANCE.accepts(name) ?
TurtleModelLoader.INSTANCE.loadModel(
name) : null);
ClientTickCallback.EVENT.register(client -> FrameInfo.onTick());
}
private static void registerContainers() {
ContainerType.registerGui(TileEntityContainerType::computer,
(id, packet, player) -> GuiComputer.create(id, (TileComputer) packet.getTileEntity(player), player.inventory));
ContainerType.registerGui(TileEntityContainerType::diskDrive, GuiDiskDrive::new);
ContainerType.registerGui(TileEntityContainerType::printer, GuiPrinter::new);
ContainerType.registerGui(TileEntityContainerType::turtle, (id, packet, player) -> {
TileTurtle turtle = (TileTurtle) packet.getTileEntity(player);
return new GuiTurtle(turtle,
new ContainerTurtle(id, player.inventory, new SimpleInventory(TileTurtle.INVENTORY_SIZE), new ArrayPropertyDelegate(1)),
player.inventory);
});
ContainerType.registerGui(PocketComputerContainerType::new, GuiPocketComputer::new);
ContainerType.registerGui(PrintoutContainerType::new, GuiPrintout::new);
ContainerType.registerGui(ViewComputerContainerType::new, (id, packet, player) -> {
ClientComputer computer = ComputerCraft.clientComputerRegistry.get(packet.instanceId);
if (computer == null) {
ComputerCraft.clientComputerRegistry.add(packet.instanceId, computer = new ClientComputer(packet.instanceId));
}
ContainerViewComputer container = new ContainerViewComputer(id, computer);
return new GuiComputer<>(container, player.inventory, packet.family, computer, packet.width, packet.height);
});
}
/*
@Mod.EventBusSubscriber( modid = ComputerCraft.MOD_ID, value = Dist.CLIENT )
public static final class ForgeHandlers
{
@SubscribeEvent
public static void onWorldUnload( WorldEvent.Unload event )
{
if( event.getWorld().isRemote() )
{
ClientMonitor.destroyAll();
}
}
}
*/
}

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src/main/java/dan200/computercraft/client/render/CableHighlightRenderer.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.render;
import com.mojang.blaze3d.platform.GlStateManager;
import dan200.computercraft.ComputerCraft;
import dan200.computercraft.shared.peripheral.modem.wired.BlockCable;
import dan200.computercraft.shared.peripheral.modem.wired.CableShapes;
import dan200.computercraft.shared.util.WorldUtil;
import org.lwjgl.opengl.GL11;
import net.minecraft.block.BlockState;
import net.minecraft.client.MinecraftClient;
import net.minecraft.client.render.Camera;
import net.minecraft.client.render.WorldRenderer;
import net.minecraft.entity.Entity;
import net.minecraft.util.hit.BlockHitResult;
import net.minecraft.util.hit.HitResult;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.shape.VoxelShape;
import net.minecraft.world.World;
public final class CableHighlightRenderer {
private CableHighlightRenderer() {
}
/**
* Draw an outline for a specific part of a cable "Multipart".
*
* @see WorldRenderer#drawHighlightedBlockOutline(Entity, HitResult, int, float)
*/
public static boolean drawHighlight(Camera camera, BlockHitResult hit) {
MinecraftClient mc = MinecraftClient.getInstance();
BlockPos pos = hit.getBlockPos();
World world = mc.world;
BlockState state = world.getBlockState(pos);
// We only care about instances with both cable and modem.
if (state.getBlock() != ComputerCraft.Blocks.cable || state.get(BlockCable.MODEM)
.getFacing() == null || !state.get(BlockCable.CABLE)) {
return false;
}
GlStateManager.enableBlend();
GlStateManager.blendFuncSeparate(GlStateManager.SourceFactor.SRC_ALPHA,
GlStateManager.DestFactor.ONE_MINUS_SRC_ALPHA,
GlStateManager.SourceFactor.ONE,
GlStateManager.DestFactor.ZERO);
GlStateManager.lineWidth(Math.max(2.5F, mc.window.getFramebufferWidth() / 1920.0F * 2.5F));
GlStateManager.disableTexture();
GlStateManager.depthMask(false);
GlStateManager.matrixMode(GL11.GL_PROJECTION);
GlStateManager.pushMatrix();
GlStateManager.scalef(1.0F, 1.0F, 0.999F);
VoxelShape shape = WorldUtil.isVecInside(CableShapes.getModemShape(state),
hit.getPos()
.subtract(pos.getX(),
pos.getY(),
pos.getZ())) ? CableShapes.getModemShape(state) : CableShapes.getCableShape(state);
WorldRenderer.drawShapeOutline(shape,
pos.getX() - camera.getPos()
.getX(),
pos.getY() - camera.getPos()
.getY(),
pos.getZ() - camera.getPos()
.getZ(),
0.0F,
0.0F,
0.0F,
0.4F);
GlStateManager.popMatrix();
GlStateManager.matrixMode(GL11.GL_MODELVIEW);
GlStateManager.depthMask(true);
GlStateManager.enableTexture();
GlStateManager.disableBlend();
return true;
}
}

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src/main/java/dan200/computercraft/client/render/ItemMapLikeRenderer.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.render;
import com.mojang.blaze3d.platform.GlStateManager;
import dan200.computercraft.shared.mixed.MixedFirstPersonRenderer;
import net.minecraft.client.MinecraftClient;
import net.minecraft.entity.player.PlayerEntity;
import net.minecraft.item.ItemStack;
import net.minecraft.util.Arm;
import net.minecraft.util.Hand;
import net.minecraft.util.math.MathHelper;
public abstract class ItemMapLikeRenderer {
public void renderItemFirstPerson(Hand hand, float pitch, float equipProgress, float swingProgress, ItemStack stack) {
PlayerEntity player = MinecraftClient.getInstance().player;
GlStateManager.pushMatrix();
if (hand == Hand.MAIN_HAND && player.getOffHandStack()
.isEmpty()) {
this.renderItemFirstPersonCenter(pitch, equipProgress, swingProgress, stack);
} else {
this.renderItemFirstPersonSide(hand == Hand.MAIN_HAND ? player.getMainArm() : player.getMainArm()
.getOpposite(), equipProgress, swingProgress, stack);
}
GlStateManager.popMatrix();
}
/**
* Render an item in the middle of the screen
*
* @param pitch The pitch of the player
* @param equipProgress The equip progress of this item
* @param swingProgress The swing progress of this item
* @param stack The stack to render
* @see FirstPersonRenderer#renderFirstPersonMap(float, float, float)
*/
private void renderItemFirstPersonCenter(float pitch, float equipProgress, float swingProgress, ItemStack stack) {
MixedFirstPersonRenderer renderer = (MixedFirstPersonRenderer) MinecraftClient.getInstance()
.getHeldItemRenderer();
// Setup the appropriate transformations. This is just copied from the
// corresponding method in ItemRenderer.
float swingRt = MathHelper.sqrt(swingProgress);
float tX = -0.2f * MathHelper.sin(swingProgress * (float) Math.PI);
float tZ = -0.4f * MathHelper.sin(swingRt * (float) Math.PI);
GlStateManager.translatef(0f, -tX / 2f, tZ);
float pitchAngle = renderer.getMapAngleFromPitch_CC(pitch);
GlStateManager.translatef(0f, 0.04f + equipProgress * -1.2f + pitchAngle * -0.5f, -0.72f);
GlStateManager.rotatef(pitchAngle * -85f, 1f, 0f, 0f);
renderer.renderArms_CC();
float rX = MathHelper.sin(swingRt * (float) Math.PI);
GlStateManager.rotatef(rX * 20f, 1f, 0f, 0f);
GlStateManager.scalef(2f, 2f, 2f);
this.renderItem(stack);
}
/**
* Renders the item to one side of the player.
*
* @param side The side to render on
* @param equipProgress The equip progress of this item
* @param swingProgress The swing progress of this item
* @param stack The stack to render
* @see FirstPersonRenderer#method_3222(float, Arm, float, ItemStack) // renderMapFirstPersonSide
*/
private void renderItemFirstPersonSide(Arm side, float equipProgress, float swingProgress, ItemStack stack) {
MinecraftClient minecraft = MinecraftClient.getInstance();
float offset = side == Arm.RIGHT ? 1f : -1f;
GlStateManager.translatef(offset * 0.125f, -0.125f, 0f);
// If the player is not invisible then render a single arm
if (!minecraft.player.isInvisible()) {
GlStateManager.pushMatrix();
GlStateManager.rotatef(offset * 10f, 0f, 0f, 1f);
((MixedFirstPersonRenderer) minecraft.getHeldItemRenderer()).renderArmFirstPerson_CC(equipProgress, swingProgress, side);
GlStateManager.popMatrix();
}
// Setup the appropriate transformations. This is just copied from the
// corresponding method in ItemRenderer.
GlStateManager.pushMatrix();
GlStateManager.translatef(offset * 0.51f, -0.08f + equipProgress * -1.2f, -0.75f);
float f1 = MathHelper.sqrt(swingProgress);
float f2 = MathHelper.sin(f1 * (float) Math.PI);
float f3 = -0.5f * f2;
float f4 = 0.4f * MathHelper.sin(f1 * ((float) Math.PI * 2f));
float f5 = -0.3f * MathHelper.sin(swingProgress * (float) Math.PI);
GlStateManager.translatef(offset * f3, f4 - 0.3f * f2, f5);
GlStateManager.rotatef(f2 * -45f, 1f, 0f, 0f);
GlStateManager.rotatef(offset * f2 * -30f, 0f, 1f, 0f);
this.renderItem(stack);
GlStateManager.popMatrix();
}
/**
* The main rendering method for the item
*
* @param stack The stack to render
* @see FirstPersonRenderer#renderFirstPersonMap(ItemStack)
*/
protected abstract void renderItem(ItemStack stack);
}

264
src/main/java/dan200/computercraft/client/render/ItemPocketRenderer.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.render;
import static dan200.computercraft.client.gui.FixedWidthFontRenderer.BACKGROUND;
import static dan200.computercraft.client.gui.FixedWidthFontRenderer.FONT_HEIGHT;
import static dan200.computercraft.client.gui.FixedWidthFontRenderer.FONT_WIDTH;
import static dan200.computercraft.client.gui.GuiComputer.BACKGROUND_ADVANCED;
import static dan200.computercraft.client.gui.GuiComputer.BACKGROUND_COLOUR;
import static dan200.computercraft.client.gui.GuiComputer.BACKGROUND_NORMAL;
import com.mojang.blaze3d.platform.GlStateManager;
import dan200.computercraft.ComputerCraft;
import dan200.computercraft.client.FrameInfo;
import dan200.computercraft.client.gui.FixedWidthFontRenderer;
import dan200.computercraft.core.terminal.Terminal;
import dan200.computercraft.core.terminal.TextBuffer;
import dan200.computercraft.shared.computer.core.ClientComputer;
import dan200.computercraft.shared.computer.core.ComputerFamily;
import dan200.computercraft.shared.pocket.items.ItemPocketComputer;
import dan200.computercraft.shared.util.Colour;
import dan200.computercraft.shared.util.Palette;
import org.lwjgl.opengl.GL11;
import net.minecraft.client.MinecraftClient;
import net.minecraft.client.render.BufferBuilder;
import net.minecraft.client.render.Tessellator;
import net.minecraft.client.render.VertexFormats;
import net.minecraft.item.ItemStack;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
/**
* Emulates map rendering for pocket computers
*/
@Environment (EnvType.CLIENT)
public final class ItemPocketRenderer extends ItemMapLikeRenderer {
public static final ItemPocketRenderer INSTANCE = new ItemPocketRenderer();
private static final int MARGIN = 2;
private static final int FRAME = 12;
private static final int LIGHT_HEIGHT = 8;
private ItemPocketRenderer() {
}
private static void renderFrame(ComputerFamily family, int colour, int width, int height) {
MinecraftClient.getInstance()
.getTextureManager()
.bindTextureInner(colour != -1 ? BACKGROUND_COLOUR : family == ComputerFamily.Normal ? BACKGROUND_NORMAL : BACKGROUND_ADVANCED);
float r = ((colour >>> 16) & 0xFF) / 255.0f;
float g = ((colour >>> 8) & 0xFF) / 255.0f;
float b = (colour & 0xFF) / 255.0f;
Tessellator tessellator = Tessellator.getInstance();
BufferBuilder buffer = tessellator.getBuffer();
buffer.begin(GL11.GL_QUADS, VertexFormats.POSITION_TEXTURE_COLOR);
// Top left, middle, right
renderTexture(buffer, -FRAME, -FRAME, 12, 28, FRAME, FRAME, r, g, b);
renderTexture(buffer, 0, -FRAME, 0, 0, width, FRAME, r, g, b);
renderTexture(buffer, width, -FRAME, 24, 28, FRAME, FRAME, r, g, b);
// Left and bright border
renderTexture(buffer, -FRAME, 0, 0, 28, FRAME, height, r, g, b);
renderTexture(buffer, width, 0, 36, 28, FRAME, height, r, g, b);
// Bottom left, middle, right. We do this in three portions: the top inner corners, an extended region for
// lights, and then the bottom outer corners.
renderTexture(buffer, -FRAME, height, 12, 40, FRAME, FRAME / 2, r, g, b);
renderTexture(buffer, 0, height, 0, 12, width, FRAME / 2, r, g, b);
renderTexture(buffer, width, height, 24, 40, FRAME, FRAME / 2, r, g, b);
renderTexture(buffer, -FRAME, height + FRAME / 2, 12, 44, FRAME, LIGHT_HEIGHT, FRAME, 4, r, g, b);
renderTexture(buffer, 0, height + FRAME / 2, 0, 16, width, LIGHT_HEIGHT, FRAME, 4, r, g, b);
renderTexture(buffer, width, height + FRAME / 2, 24, 44, FRAME, LIGHT_HEIGHT, FRAME, 4, r, g, b);
renderTexture(buffer, -FRAME, height + LIGHT_HEIGHT + FRAME / 2, 12, 40 + FRAME / 2, FRAME, FRAME / 2, r, g, b);
renderTexture(buffer, 0, height + LIGHT_HEIGHT + FRAME / 2, 0, 12 + FRAME / 2, width, FRAME / 2, r, g, b);
renderTexture(buffer, width, height + LIGHT_HEIGHT + FRAME / 2, 24, 40 + FRAME / 2, FRAME, FRAME / 2, r, g, b);
tessellator.draw();
}
private static void renderLight(int colour, int width, int height) {
GlStateManager.enableBlend();
GlStateManager.disableTexture();
float r = ((colour >>> 16) & 0xFF) / 255.0f;
float g = ((colour >>> 8) & 0xFF) / 255.0f;
float b = (colour & 0xFF) / 255.0f;
Tessellator tessellator = Tessellator.getInstance();
BufferBuilder buffer = tessellator.getBuffer();
buffer.begin(GL11.GL_QUADS, VertexFormats.POSITION_COLOR);
buffer.vertex(width - LIGHT_HEIGHT * 2, height + LIGHT_HEIGHT + FRAME / 2.0f, 0.0D)
.color(r, g, b, 1.0f)
.next();
buffer.vertex(width, height + LIGHT_HEIGHT + FRAME / 2.0f, 0.0D)
.color(r, g, b, 1.0f)
.next();
buffer.vertex(width, height + FRAME / 2.0f, 0.0D)
.color(r, g, b, 1.0f)
.next();
buffer.vertex(width - LIGHT_HEIGHT * 2, height + FRAME / 2.0f, 0.0D)
.color(r, g, b, 1.0f)
.next();
tessellator.draw();
GlStateManager.enableTexture();
}
private static void renderTerminal(Terminal terminal, boolean greyscale, int width, int height) {
synchronized (terminal) {
int termWidth = terminal.getWidth();
int termHeight = terminal.getHeight();
FixedWidthFontRenderer fontRenderer = FixedWidthFontRenderer.instance();
Palette palette = terminal.getPalette();
// Render top/bottom borders
TextBuffer emptyLine = new TextBuffer(' ', termWidth);
fontRenderer.drawString(emptyLine,
MARGIN,
0,
terminal.getTextColourLine(0),
terminal.getBackgroundColourLine(0),
MARGIN,
MARGIN,
greyscale,
palette);
fontRenderer.drawString(emptyLine,
MARGIN,
2 * MARGIN + (termHeight - 1) * FixedWidthFontRenderer.FONT_HEIGHT,
terminal.getTextColourLine(termHeight - 1),
terminal.getBackgroundColourLine(termHeight - 1),
MARGIN,
MARGIN,
greyscale,
palette);
// Render the actual text
for (int line = 0; line < termWidth; line++) {
TextBuffer text = terminal.getLine(line);
TextBuffer colour = terminal.getTextColourLine(line);
TextBuffer backgroundColour = terminal.getBackgroundColourLine(line);
fontRenderer.drawString(text, MARGIN, MARGIN + line * FONT_HEIGHT, colour, backgroundColour, MARGIN, MARGIN, greyscale, palette);
}
// And render the cursor;
int tx = terminal.getCursorX(), ty = terminal.getCursorY();
if (terminal.getCursorBlink() && FrameInfo.getGlobalCursorBlink() && tx >= 0 && ty >= 0 && tx < termWidth && ty < termHeight) {
TextBuffer cursorColour = new TextBuffer("0123456789abcdef".charAt(terminal.getTextColour()), 1);
fontRenderer.drawString(new TextBuffer('_', 1),
MARGIN + FONT_WIDTH * tx,
MARGIN + FONT_HEIGHT * ty,
cursorColour,
null,
0,
0,
greyscale,
palette);
}
}
}
private static void renderTexture(BufferBuilder builder, int x, int y, int textureX, int textureY, int width, int height, float r, float g, float b) {
renderTexture(builder, x, y, textureX, textureY, width, height, width, height, r, g, b);
}
private static void renderTexture(BufferBuilder builder, int x, int y, int textureX, int textureY, int width, int height, int textureWidth, int textureHeight, float r, float g, float b) {
float scale = 1 / 255.0f;
builder.vertex(x, y + height, 0)
.texture(textureX * scale, (textureY + textureHeight) * scale)
.color(r, g, b, 1.0f)
.next();
builder.vertex(x + width, y + height, 0)
.texture((textureX + textureWidth) * scale, (textureY + textureHeight) * scale)
.color(r, g, b, 1.0f)
.next();
builder.vertex(x + width, y, 0)
.texture((textureX + textureWidth) * scale, textureY * scale)
.color(r, g, b, 1.0f)
.next();
builder.vertex(x, y, 0)
.texture(textureX * scale, textureY * scale)
.color(r, g, b, 1.0f)
.next();
}
@Override
protected void renderItem(ItemStack stack) {
ClientComputer computer = ItemPocketComputer.createClientComputer(stack);
Terminal terminal = computer == null ? null : computer.getTerminal();
int termWidth, termHeight;
if (terminal == null) {
termWidth = ComputerCraft.terminalWidth_pocketComputer;
termHeight = ComputerCraft.terminalHeight_pocketComputer;
} else {
termWidth = terminal.getWidth();
termHeight = terminal.getHeight();
}
int width = termWidth * FONT_WIDTH + MARGIN * 2;
int height = termHeight * FONT_HEIGHT + MARGIN * 2;
// Setup various transformations. Note that these are partially adapted from the corresponding method
// in ItemRenderer
GlStateManager.pushMatrix();
GlStateManager.disableLighting();
GlStateManager.disableDepthTest();
GlStateManager.rotatef(180f, 0f, 1f, 0f);
GlStateManager.rotatef(180f, 0f, 0f, 1f);
GlStateManager.scalef(0.5f, 0.5f, 0.5f);
double scale = 0.75 / Math.max(width + FRAME * 2, height + FRAME * 2 + LIGHT_HEIGHT);
GlStateManager.scaled(scale, scale, 0);
GlStateManager.translated(-0.5 * width, -0.5 * height, 0);
// Render the main frame
ItemPocketComputer item = (ItemPocketComputer) stack.getItem();
ComputerFamily family = item.getFamily();
int frameColour = item.getColour(stack);
renderFrame(family, frameColour, width, height);
// Render the light
int lightColour = ItemPocketComputer.getLightState(stack);
if (lightColour == -1) {
lightColour = Colour.Black.getHex();
}
renderLight(lightColour, width, height);
if (computer != null && terminal != null) {
// If we've a computer and terminal then attempt to render it.
renderTerminal(terminal, !computer.isColour(), width, height);
} else {
// Otherwise render a plain background
MinecraftClient.getInstance()
.getTextureManager()
.bindTextureInner(BACKGROUND);
Tessellator tessellator = Tessellator.getInstance();
BufferBuilder buffer = tessellator.getBuffer();
Colour black = Colour.Black;
buffer.begin(GL11.GL_QUADS, VertexFormats.POSITION);
renderTexture(buffer, 0, 0, 0, 0, width, height, black.getR(), black.getG(), black.getB());
tessellator.draw();
}
GlStateManager.enableDepthTest();
GlStateManager.enableLighting();
GlStateManager.popMatrix();
}
}

116
src/main/java/dan200/computercraft/client/render/ItemPrintoutRenderer.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.render;
import static dan200.computercraft.client.gui.FixedWidthFontRenderer.FONT_HEIGHT;
import static dan200.computercraft.client.gui.FixedWidthFontRenderer.FONT_WIDTH;
import static dan200.computercraft.client.render.PrintoutRenderer.COVER_SIZE;
import static dan200.computercraft.client.render.PrintoutRenderer.X_TEXT_MARGIN;
import static dan200.computercraft.client.render.PrintoutRenderer.Y_TEXT_MARGIN;
import static dan200.computercraft.client.render.PrintoutRenderer.drawBorder;
import static dan200.computercraft.client.render.PrintoutRenderer.drawText;
import static dan200.computercraft.client.render.PrintoutRenderer.offsetAt;
import static dan200.computercraft.shared.media.items.ItemPrintout.LINES_PER_PAGE;
import static dan200.computercraft.shared.media.items.ItemPrintout.LINE_MAX_LENGTH;
import com.mojang.blaze3d.platform.GlStateManager;
import dan200.computercraft.shared.media.items.ItemPrintout;
import net.minecraft.entity.decoration.ItemFrameEntity;
import net.minecraft.item.ItemStack;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
/**
* Emulates map and item-frame rendering for printouts
*/
@Environment (EnvType.CLIENT)
public final class ItemPrintoutRenderer extends ItemMapLikeRenderer {
public static final ItemPrintoutRenderer INSTANCE = new ItemPrintoutRenderer();
private ItemPrintoutRenderer() {
}
/*
@SubscribeEvent
public static void onRenderInHand( RenderSpecificHandEvent event )
{
ItemStack stack = event.getItemStack();
if( !(stack.getItem() instanceof ItemPrintout) ) return;
event.setCanceled( true );
INSTANCE.renderItemFirstPerson( event.getHand(), event.getInterpolatedPitch(), event.getEquipProgress(), event.getSwingProgress(), event
.getItemStack() );
}
*/
@Override
protected void renderItem(ItemStack stack) {
// Setup various transformations. Note that these are partially adapated from the corresponding method
// in FirstPersonRenderer.renderFirstPersonMap
GlStateManager.disableLighting();
GlStateManager.rotatef(180f, 0f, 1f, 0f);
GlStateManager.rotatef(180f, 0f, 0f, 1f);
GlStateManager.scalef(0.42f, 0.42f, -0.42f);
GlStateManager.translatef(-0.5f, -0.48f, 0.0f);
drawPrintout(stack);
GlStateManager.enableLighting();
}
private static void drawPrintout(ItemStack stack) {
int pages = ItemPrintout.getPageCount(stack);
boolean book = ((ItemPrintout) stack.getItem()).getType() == ItemPrintout.Type.BOOK;
double width = LINE_MAX_LENGTH * FONT_WIDTH + X_TEXT_MARGIN * 2;
double height = LINES_PER_PAGE * FONT_HEIGHT + Y_TEXT_MARGIN * 2;
// Non-books will be left aligned
if (!book) {
width += offsetAt(pages);
}
double visualWidth = width, visualHeight = height;
// Meanwhile books will be centred
if (book) {
visualWidth += 2 * COVER_SIZE + 2 * offsetAt(pages);
visualHeight += 2 * COVER_SIZE;
}
double max = Math.max(visualHeight, visualWidth);
// Scale the printout to fit correctly.
double scale = 1.0 / max;
GlStateManager.scaled(scale, scale, scale);
GlStateManager.translated((max - width) / 2.0, (max - height) / 2.0, 0.0);
drawBorder(0, 0, -0.01, 0, pages, book);
drawText(X_TEXT_MARGIN, Y_TEXT_MARGIN, 0, ItemPrintout.getText(stack), ItemPrintout.getColours(stack));
}
public void renderInFrame(ItemFrameEntity entity, ItemStack stack) {
GlStateManager.disableLighting();
int rotation = entity.getRotation();
GlStateManager.rotatef((float) rotation * 360.0F / 8.0F, 0.0F, 0.0F, 1.0F);
// Move a little bit forward to ensure we're not clipping with the frame
GlStateManager.translatef(0.0f, 0.0f, -0.001f);
GlStateManager.rotatef(180f, 0f, 0f, 1f);
GlStateManager.scalef(0.95f, 0.95f, -0.95f);
GlStateManager.translatef(-0.5f, -0.5f, 0.0f);
drawPrintout(stack);
GlStateManager.enableLighting();
GlStateManager.disableBlend();
}
}

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src/main/java/dan200/computercraft/client/render/ModelTransformer.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.render;
import java.util.List;
import javax.vecmath.Matrix4f;
import javax.vecmath.Vector4f;
import net.minecraft.client.render.VertexFormat;
import net.minecraft.client.render.VertexFormatElement;
import net.minecraft.client.render.VertexFormats;
import net.minecraft.client.render.model.BakedQuad;
/**
* Transforms vertices of a model, remaining aware of winding order, and rearranging vertices if needed.
*/
public final class ModelTransformer {
private static final Matrix4f identity;
static {
identity = new Matrix4f();
identity.setIdentity();
}
private ModelTransformer() {
}
public static void transformQuadsTo(List<BakedQuad> output, List<BakedQuad> input, Matrix4f transform) {
transformQuadsTo(VertexFormats.POSITION_COLOR_TEXTURE_LIGHT_NORMAL, output, input, transform);
}
public static void transformQuadsTo(VertexFormat format, List<BakedQuad> output, List<BakedQuad> input, Matrix4f transform) {
if (transform == null || transform.equals(identity)) {
output.addAll(input);
} else {
for (BakedQuad quad : input) {
output.add(doTransformQuad(format, quad, transform));
}
}
}
private static BakedQuad doTransformQuad(VertexFormat format, BakedQuad quad, Matrix4f transform) {
int[] vertexData = quad.getVertexData()
.clone();
int offset = 0;
BakedQuad copy = new BakedQuad(vertexData, -1, quad.getFace(), quad.getSprite());
for (int i = 0; i < format.getElementCount(); ++i) // For each vertex element
{
VertexFormatElement element = format.getElement(i);
if (element.isPosition() && element.getFormat() == VertexFormatElement.Format.FLOAT && element.getCount() == 3) // When we find a position
// element
{
for (int j = 0; j < 4; ++j) // For each corner of the quad
{
int start = offset + j * format.getVertexSize();
if ((start % 4) == 0) {
start = start / 4;
// Extract the position
Vector4f pos = new Vector4f(Float.intBitsToFloat(vertexData[start]),
Float.intBitsToFloat(vertexData[start + 1]),
Float.intBitsToFloat(vertexData[start + 2]),
1);
// Transform the position
transform.transform(pos);
// Insert the position
vertexData[start] = Float.floatToRawIntBits(pos.x);
vertexData[start + 1] = Float.floatToRawIntBits(pos.y);
vertexData[start + 2] = Float.floatToRawIntBits(pos.z);
}
}
}
offset += element.getSize();
}
return copy;
}
public static BakedQuad transformQuad(VertexFormat format, BakedQuad input, Matrix4f transform) {
if (transform == null || transform.equals(identity)) {
return input;
}
return doTransformQuad(format, input, transform);
}
}

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src/main/java/dan200/computercraft/client/render/MonitorHighlightRenderer.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.render;
import static net.minecraft.util.math.Direction.DOWN;
import static net.minecraft.util.math.Direction.EAST;
import static net.minecraft.util.math.Direction.NORTH;
import static net.minecraft.util.math.Direction.SOUTH;
import static net.minecraft.util.math.Direction.UP;
import static net.minecraft.util.math.Direction.WEST;
import java.util.EnumSet;
import com.mojang.blaze3d.platform.GlStateManager;
import dan200.computercraft.shared.peripheral.monitor.TileMonitor;
import org.lwjgl.opengl.GL11;
import net.minecraft.block.entity.BlockEntity;
import net.minecraft.client.MinecraftClient;
import net.minecraft.client.render.BufferBuilder;
import net.minecraft.client.render.Camera;
import net.minecraft.client.render.Tessellator;
import net.minecraft.client.render.VertexFormats;
import net.minecraft.util.hit.BlockHitResult;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.Direction;
import net.minecraft.world.World;
public final class MonitorHighlightRenderer {
private static final float EXPAND = 0.002f;
private MonitorHighlightRenderer() {
}
public static boolean drawHighlight(Camera camera, BlockHitResult hit) {
MinecraftClient mc = MinecraftClient.getInstance();
if (mc.player.isSneaking()) {
return false;
}
BlockPos pos = hit.getBlockPos();
World world = mc.world;
BlockEntity tile = world.getBlockEntity(pos);
if (!(tile instanceof TileMonitor)) {
return false;
}
TileMonitor monitor = (TileMonitor) tile;
// Determine which sides are part of the external faces of the monitor, and so which need to be rendered.
EnumSet<Direction> faces = EnumSet.allOf(Direction.class);
Direction front = monitor.getFront();
faces.remove(front);
if (monitor.getXIndex() != 0) {
faces.remove(monitor.getRight()
.getOpposite());
}
if (monitor.getXIndex() != monitor.getWidth() - 1) {
faces.remove(monitor.getRight());
}
if (monitor.getYIndex() != 0) {
faces.remove(monitor.getDown()
.getOpposite());
}
if (monitor.getYIndex() != monitor.getHeight() - 1) {
faces.remove(monitor.getDown());
}
GlStateManager.enableBlend();
GlStateManager.blendFuncSeparate(GlStateManager.SourceFactor.SRC_ALPHA,
GlStateManager.DestFactor.ONE_MINUS_SRC_ALPHA,
GlStateManager.SourceFactor.ONE,
GlStateManager.DestFactor.ZERO);
GlStateManager.lineWidth(Math.max(2.5F, (float) mc.window.getFramebufferWidth() / 1920.0F * 2.5F));
GlStateManager.disableTexture();
GlStateManager.depthMask(false);
GlStateManager.pushMatrix();
GlStateManager.translated(pos.getX() - camera.getPos()
.getX(),
pos.getY() - camera.getPos()
.getY(),
pos.getZ() - camera.getPos()
.getZ());
Tessellator tessellator = Tessellator.getInstance();
BufferBuilder buffer = tessellator.getBuffer();
buffer.begin(GL11.GL_LINES, VertexFormats.POSITION_COLOR);
// I wish I could think of a better way to do this
if (faces.contains(NORTH) || faces.contains(WEST)) {
line(buffer, 0, 0, 0, UP);
}
if (faces.contains(SOUTH) || faces.contains(WEST)) {
line(buffer, 0, 0, 1, UP);
}
if (faces.contains(NORTH) || faces.contains(EAST)) {
line(buffer, 1, 0, 0, UP);
}
if (faces.contains(SOUTH) || faces.contains(EAST)) {
line(buffer, 1, 0, 1, UP);
}
if (faces.contains(NORTH) || faces.contains(DOWN)) {
line(buffer, 0, 0, 0, EAST);
}
if (faces.contains(SOUTH) || faces.contains(DOWN)) {
line(buffer, 0, 0, 1, EAST);
}
if (faces.contains(NORTH) || faces.contains(UP)) {
line(buffer, 0, 1, 0, EAST);
}
if (faces.contains(SOUTH) || faces.contains(UP)) {
line(buffer, 0, 1, 1, EAST);
}
if (faces.contains(WEST) || faces.contains(DOWN)) {
line(buffer, 0, 0, 0, SOUTH);
}
if (faces.contains(EAST) || faces.contains(DOWN)) {
line(buffer, 1, 0, 0, SOUTH);
}
if (faces.contains(WEST) || faces.contains(UP)) {
line(buffer, 0, 1, 0, SOUTH);
}
if (faces.contains(EAST) || faces.contains(UP)) {
line(buffer, 1, 1, 0, SOUTH);
}
tessellator.draw();
GlStateManager.popMatrix();
GlStateManager.depthMask(true);
GlStateManager.enableTexture();
GlStateManager.disableBlend();
return true;
}
private static void line(BufferBuilder buffer, int x, int y, int z, Direction direction) {
double minX = x == 0 ? -EXPAND : 1 + EXPAND;
double minY = y == 0 ? -EXPAND : 1 + EXPAND;
double minZ = z == 0 ? -EXPAND : 1 + EXPAND;
buffer.vertex(minX, minY, minZ)
.color(0, 0, 0, 0.4f)
.next();
buffer.vertex(minX + direction.getOffsetX() * (1 + EXPAND * 2),
minY + direction.getOffsetY() * (1 + EXPAND * 2),
minZ + direction.getOffsetZ() * (1 + EXPAND * 2))
.color(0, 0, 0, 0.4f)
.next();
}
}

177
src/main/java/dan200/computercraft/client/render/PrintoutRenderer.java
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@@ -1,177 +0,0 @@
/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.render;
import static dan200.computercraft.client.gui.FixedWidthFontRenderer.FONT_HEIGHT;
import static dan200.computercraft.shared.media.items.ItemPrintout.LINES_PER_PAGE;
import dan200.computercraft.client.gui.FixedWidthFontRenderer;
import dan200.computercraft.core.terminal.TextBuffer;
import dan200.computercraft.shared.util.Palette;
import org.lwjgl.opengl.GL11;
import net.minecraft.client.render.RenderLayer;
import net.minecraft.client.render.RenderPhase;
import net.minecraft.client.render.VertexConsumer;
import net.minecraft.client.render.VertexConsumerProvider;
import net.minecraft.client.render.VertexFormats;
import net.minecraft.util.Identifier;
import net.minecraft.util.math.Matrix4f;
@SuppressWarnings ({
"LocalVariableDeclarationSideOnly",
"MethodCallSideOnly"
})
public final class PrintoutRenderer {
/**
* Width of a page
*/
public static final int X_SIZE = 172;
/**
* Height of a page
*/
public static final int Y_SIZE = 209;
/**
* Padding between the left and right of a page and the text
*/
public static final int X_TEXT_MARGIN = 13;
/**
* Padding between the top and bottom of a page and the text
*/
public static final int Y_TEXT_MARGIN = 11;
/**
* Size of the leather cover
*/
public static final int COVER_SIZE = 12;
private static final Identifier BG = new Identifier("computercraft", "textures/gui/printout.png");
private static final float BG_SIZE = 256.0f;
/**
* Width of the extra page texture
*/
private static final int X_FOLD_SIZE = 12;
private static final int COVER_Y = Y_SIZE;
private static final int COVER_X = X_SIZE + 4 * X_FOLD_SIZE;
private PrintoutRenderer() {}
public static void drawText(Matrix4f transform, VertexConsumerProvider renderer, int x, int y, int start, TextBuffer[] text, TextBuffer[] colours) {
VertexConsumer buffer = renderer.getBuffer( FixedWidthFontRenderer.TYPE );
for( int line = 0; line < LINES_PER_PAGE && line < text.length; line++ )
{
FixedWidthFontRenderer.drawString( transform, buffer,
x, y + line * FONT_HEIGHT, text[start + line], colours[start + line], null, Palette.DEFAULT,
false, 0, 0
);
}
}
public static void drawText(Matrix4f transform, VertexConsumerProvider renderer, int x, int y, int start, String[] text, String[] colours) {
VertexConsumer buffer = renderer.getBuffer( FixedWidthFontRenderer.TYPE );
for( int line = 0; line < LINES_PER_PAGE && line < text.length; line++ )
{
FixedWidthFontRenderer.drawString( transform, buffer,
x, y + line * FONT_HEIGHT,
new TextBuffer( text[start + line] ), new TextBuffer( colours[start + line] ),
null, Palette.DEFAULT, false, 0, 0
);
}
}
@SuppressWarnings ("MethodCallSideOnly")
public static void drawBorder(Matrix4f transform, VertexConsumerProvider renderer, float x, float y, float z, int page, int pages, boolean isBook) {
int leftPages = page;
int rightPages = pages - page - 1;
VertexConsumer buffer = renderer.getBuffer( FixedWidthFontRenderer.TYPE );
if( isBook )
{
// Border
float offset = offsetAt( pages );
float left = x - 4 - offset;
float right = x + X_SIZE + offset - 4;
// Left and right border
drawTexture( transform, buffer, left - 4, y - 8, z - 0.02f, COVER_X, 0, COVER_SIZE, Y_SIZE + COVER_SIZE * 2 );
drawTexture( transform, buffer, right, y - 8, z - 0.02f, COVER_X + COVER_SIZE, 0, COVER_SIZE, Y_SIZE + COVER_SIZE * 2 );
// Draw centre panel (just stretched texture, sorry).
drawTexture( transform, buffer,
x - offset, y, z - 0.02f, X_SIZE + offset * 2, Y_SIZE,
COVER_X + COVER_SIZE / 2.0f, COVER_SIZE, COVER_SIZE, Y_SIZE
);
float borderX = left;
while( borderX < right )
{
double thisWidth = Math.min( right - borderX, X_SIZE );
drawTexture( transform, buffer, borderX, y - 8, z - 0.02f, 0, COVER_Y, (float) thisWidth, COVER_SIZE );
drawTexture( transform, buffer, borderX, y + Y_SIZE - 4, z - 0.02f, 0, COVER_Y + COVER_SIZE, (float) thisWidth, COVER_SIZE );
borderX += thisWidth;
}
}
// Left half
drawTexture( transform, buffer, x, y, z, X_FOLD_SIZE * 2, 0, X_SIZE / 2.0f, Y_SIZE );
for( int n = 0; n <= leftPages; n++ )
{
drawTexture( transform, buffer,
x - offsetAt( n ), y, z - 1e-3f * n,
// Use the left "bold" fold for the outermost page
n == leftPages ? 0 : X_FOLD_SIZE, 0,
X_FOLD_SIZE, Y_SIZE
);
}
// Right half
drawTexture( transform, buffer, x + X_SIZE / 2.0f, y, z, X_FOLD_SIZE * 2 + X_SIZE / 2.0f, 0, X_SIZE / 2.0f, Y_SIZE );
for( int n = 0; n <= rightPages; n++ )
{
drawTexture( transform, buffer,
x + (X_SIZE - X_FOLD_SIZE) + offsetAt( n ), y, z - 1e-3f * n,
// Two folds, then the main page. Use the right "bold" fold for the outermost page.
X_FOLD_SIZE * 2 + X_SIZE + (n == rightPages ? X_FOLD_SIZE : 0), 0,
X_FOLD_SIZE, Y_SIZE
);
}
}
private static void drawTexture( Matrix4f matrix, VertexConsumer buffer, float x, float y, float z, float u, float v, float width, float height )
{
buffer.vertex( matrix, x, y + height, z ).texture( u / BG_SIZE, (v + height) / BG_SIZE ).next();
buffer.vertex( matrix, x + width, y + height, z ).texture( (u + width) / BG_SIZE, (v + height) / BG_SIZE ).next();
buffer.vertex( matrix, x + width, y, z ).texture( (u + width) / BG_SIZE, v / BG_SIZE ).next();
buffer.vertex( matrix, x, y, z ).texture( u / BG_SIZE, v / BG_SIZE ).next();
}
private static void drawTexture( Matrix4f matrix, VertexConsumer buffer, float x, float y, float z, float width, float height, float u, float v, float tWidth, float tHeight )
{
buffer.vertex( matrix, x, y + height, z ).texture( u / BG_SIZE, (v + tHeight) / BG_SIZE ).next();
buffer.vertex( matrix, x + width, y + height, z ).texture( (u + tWidth) / BG_SIZE, (v + tHeight) / BG_SIZE ).next();
buffer.vertex( matrix, x + width, y, z ).texture( (u + tWidth) / BG_SIZE, v / BG_SIZE ).next();
buffer.vertex( matrix, x, y, z ).texture( u / BG_SIZE, v / BG_SIZE ).next();
}
public static float offsetAt( int page )
{
return (float) (32 * (1 - Math.pow( 1.2, -page )));
}
private static final class Type extends RenderPhase {
static final RenderLayer TYPE = RenderLayer.of("printout_background", VertexFormats.POSITION_COLOR_TEXTURE, GL11.GL_QUADS, 1024, false, false,
// useDelegate, needsSorting
RenderLayer.MultiPhaseParameters.builder()
.texture(new RenderLayer.Texture(BG, false, false)) // blur, minimap
.alpha(ONE_TENTH_ALPHA)
.lightmap(DISABLE_LIGHTMAP)
.build(false));
private Type(String name, Runnable setup, Runnable destroy) {
super(name, setup, destroy);
}
}
}

129
src/main/java/dan200/computercraft/client/render/TileEntityCableRenderer.java
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@@ -1,129 +0,0 @@
/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.render;
import java.util.Random;
import javax.annotation.Nonnull;
import com.mojang.blaze3d.platform.GlStateManager;
import dan200.computercraft.ComputerCraft;
import dan200.computercraft.shared.peripheral.modem.wired.BlockCable;
import dan200.computercraft.shared.peripheral.modem.wired.CableModemVariant;
import dan200.computercraft.shared.peripheral.modem.wired.CableShapes;
import dan200.computercraft.shared.peripheral.modem.wired.TileCable;
import dan200.computercraft.shared.util.WorldUtil;
import org.lwjgl.opengl.GL11;
import net.minecraft.block.Block;
import net.minecraft.block.BlockState;
import net.minecraft.client.MinecraftClient;
import net.minecraft.client.render.BufferBuilder;
import net.minecraft.client.render.Tessellator;
import net.minecraft.client.render.VertexFormats;
import net.minecraft.client.render.WorldRenderer;
import net.minecraft.client.render.block.entity.BlockEntityRenderer;
import net.minecraft.client.render.model.BakedModel;
import net.minecraft.client.texture.Sprite;
import net.minecraft.util.hit.BlockHitResult;
import net.minecraft.util.hit.HitResult;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;
/**
* Render breaking animation only over part of a {@link TileCable}.
*/
public class TileEntityCableRenderer extends BlockEntityRenderer<TileCable> {
private static final Random random = new Random();
@Override
public void render(@Nonnull TileCable te, double x, double y, double z, float partialTicks, int destroyStage) {
if (destroyStage < 0) {
return;
}
BlockPos pos = te.getPos();
MinecraftClient mc = MinecraftClient.getInstance();
HitResult hit = mc.crosshairTarget;
if (!(hit instanceof BlockHitResult) || !((BlockHitResult) hit).getBlockPos()
.equals(pos)) {
return;
}
World world = te.getWorld();
BlockState state = te.getCachedState();
Block block = state.getBlock();
if (block != ComputerCraft.Blocks.cable) {
return;
}
state = WorldUtil.isVecInside(CableShapes.getModemShape(state),
hit.getPos()
.subtract(pos.getX(), pos.getY(), pos.getZ())) ? block.getDefaultState()
.with(BlockCable.MODEM,
state.get(BlockCable.MODEM)) :
state.with(BlockCable.MODEM,
CableModemVariant.None);
BakedModel model = mc.getBlockRenderManager()
.getModel(state);
this.preRenderDamagedBlocks();
BufferBuilder buffer = Tessellator.getInstance()
.getBuffer();
buffer.begin(GL11.GL_QUADS, VertexFormats.POSITION_COLOR_UV_LMAP);
buffer.setOffset(x - pos.getX(), y - pos.getY(), z - pos.getZ());
buffer.disableColor();
// See BlockRendererDispatcher#renderBlockDamage
Sprite breakingTexture = mc.getSpriteAtlas()
.getSprite(DESTROY_STAGE_TEXTURES[destroyStage]);
mc.getBlockRenderManager()
.tesselateDamage(state, pos, breakingTexture, world);
buffer.setOffset(0, 0, 0);
Tessellator.getInstance()
.draw();
this.postRenderDamagedBlocks();
}
/**
* @see WorldRenderer#preRenderDamagedBlocks()
*/
private void preRenderDamagedBlocks() {
GlStateManager.disableLighting();
GlStateManager.enableBlend();
GlStateManager.blendFuncSeparate(GlStateManager.SourceFactor.DST_COLOR,
GlStateManager.DestFactor.SRC_COLOR,
GlStateManager.SourceFactor.ONE,
GlStateManager.DestFactor.ZERO);
GlStateManager.enableBlend();
GlStateManager.color4f(1.0F, 1.0F, 1.0F, 0.5F);
GlStateManager.polygonOffset(-3.0F, -3.0F);
GlStateManager.enablePolygonOffset();
GlStateManager.alphaFunc(516, 0.1F);
GlStateManager.enableAlphaTest();
GlStateManager.pushMatrix();
}
/**
* @see WorldRenderer#postRenderDamagedBlocks()
*/
private void postRenderDamagedBlocks() {
GlStateManager.disableAlphaTest();
GlStateManager.polygonOffset(0.0F, 0.0F);
GlStateManager.disablePolygonOffset();
GlStateManager.disablePolygonOffset();
GlStateManager.depthMask(true);
GlStateManager.popMatrix();
}
}

283
src/main/java/dan200/computercraft/client/render/TileEntityMonitorRenderer.java
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@@ -1,283 +0,0 @@
/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.render;
import com.mojang.blaze3d.platform.GLX;
import com.mojang.blaze3d.platform.GlStateManager;
import dan200.computercraft.client.FrameInfo;
import dan200.computercraft.client.gui.FixedWidthFontRenderer;
import dan200.computercraft.core.terminal.Terminal;
import dan200.computercraft.core.terminal.TextBuffer;
import dan200.computercraft.shared.peripheral.monitor.ClientMonitor;
import dan200.computercraft.shared.peripheral.monitor.TileMonitor;
import dan200.computercraft.shared.util.Colour;
import dan200.computercraft.shared.util.DirectionUtil;
import dan200.computercraft.shared.util.Palette;
import org.lwjgl.opengl.GL11;
import net.minecraft.client.MinecraftClient;
import net.minecraft.client.render.BufferBuilder;
import net.minecraft.client.render.Tessellator;
import net.minecraft.client.render.VertexFormats;
import net.minecraft.client.render.block.entity.BlockEntityRenderer;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.Direction;
public class TileEntityMonitorRenderer extends BlockEntityRenderer<TileMonitor> {
@Override
public void render(TileMonitor tileEntity, double posX, double posY, double posZ, float f, int i) {
if (tileEntity != null) {
renderMonitorAt(tileEntity, posX, posY, posZ, f, i);
}
}
private static void renderMonitorAt(TileMonitor monitor, double posX, double posY, double posZ, float f, int i) {
// Render from the origin monitor
ClientMonitor originTerminal = monitor.getClientMonitor();
if (originTerminal == null) {
return;
}
TileMonitor origin = originTerminal.getOrigin();
BlockPos monitorPos = monitor.getPos();
// Ensure each monitor terminal is rendered only once. We allow rendering a specific tile
// multiple times in a single frame to ensure compatibility with shaders which may run a
// pass multiple times.
long renderFrame = FrameInfo.getRenderFrame();
if (originTerminal.lastRenderFrame == renderFrame && !monitorPos.equals(originTerminal.lastRenderPos)) {
return;
}
originTerminal.lastRenderFrame = renderFrame;
originTerminal.lastRenderPos = monitorPos;
BlockPos originPos = origin.getPos();
posX += originPos.getX() - monitorPos.getX();
posY += originPos.getY() - monitorPos.getY();
posZ += originPos.getZ() - monitorPos.getZ();
// Determine orientation
Direction dir = origin.getDirection();
Direction front = origin.getFront();
float yaw = dir.asRotation();
float pitch = DirectionUtil.toPitchAngle(front);
GlStateManager.pushMatrix();
try {
// Setup initial transform
GlStateManager.translated(posX + 0.5, posY + 0.5, posZ + 0.5);
GlStateManager.rotatef(-yaw, 0.0f, 1.0f, 0.0f);
GlStateManager.rotatef(pitch, 1.0f, 0.0f, 0.0f);
GlStateManager.translated(-0.5 + TileMonitor.RENDER_BORDER + TileMonitor.RENDER_MARGIN,
origin.getHeight() - 0.5 - (TileMonitor.RENDER_BORDER + TileMonitor.RENDER_MARGIN) + 0,
0.5);
double xSize = origin.getWidth() - 2.0 * (TileMonitor.RENDER_MARGIN + TileMonitor.RENDER_BORDER);
double ySize = origin.getHeight() - 2.0 * (TileMonitor.RENDER_MARGIN + TileMonitor.RENDER_BORDER);
// Get renderers
MinecraftClient mc = MinecraftClient.getInstance();
Tessellator tessellator = Tessellator.getInstance();
BufferBuilder renderer = tessellator.getBuffer();
// Get terminal
boolean redraw = originTerminal.pollTerminalChanged();
// Draw the contents
GlStateManager.depthMask(false);
GLX.glMultiTexCoord2f(GLX.GL_TEXTURE1, 0xFFFF, 0xFFFF);
GlStateManager.disableLighting();
mc.gameRenderer.disableLightmap();
try {
Terminal terminal = originTerminal.getTerminal();
if (terminal != null) {
Palette palette = terminal.getPalette();
// Allocate display lists
if (originTerminal.renderDisplayLists == null) {
originTerminal.createLists();
redraw = true;
}
// Draw a terminal
boolean greyscale = !originTerminal.isColour();
int width = terminal.getWidth();
int height = terminal.getHeight();
int cursorX = terminal.getCursorX();
int cursorY = terminal.getCursorY();
FixedWidthFontRenderer fontRenderer = FixedWidthFontRenderer.instance();
GlStateManager.pushMatrix();
try {
double xScale = xSize / (width * FixedWidthFontRenderer.FONT_WIDTH);
double yScale = ySize / (height * FixedWidthFontRenderer.FONT_HEIGHT);
GlStateManager.scaled(xScale, -yScale, 1.0);
// Draw background
mc.getTextureManager()
.bindTextureInner(FixedWidthFontRenderer.BACKGROUND);
if (redraw) {
// Build background display list
GlStateManager.newList(originTerminal.renderDisplayLists[0], GL11.GL_COMPILE);
try {
double marginXSize = TileMonitor.RENDER_MARGIN / xScale;
double marginYSize = TileMonitor.RENDER_MARGIN / yScale;
double marginSquash = marginYSize / FixedWidthFontRenderer.FONT_HEIGHT;
// Top and bottom margins
GlStateManager.pushMatrix();
try {
GlStateManager.scaled(1.0, marginSquash, 1.0);
GlStateManager.translated(0.0, -marginYSize / marginSquash, 0.0);
fontRenderer.drawStringBackgroundPart(0,
0,
terminal.getBackgroundColourLine(0),
marginXSize,
marginXSize,
greyscale,
palette);
GlStateManager.translated(0.0, (marginYSize + height * FixedWidthFontRenderer.FONT_HEIGHT) / marginSquash, 0.0);
fontRenderer.drawStringBackgroundPart(0,
0,
terminal.getBackgroundColourLine(height - 1),
marginXSize,
marginXSize,
greyscale,
palette);
} finally {
GlStateManager.popMatrix();
}
// Backgrounds
for (int y = 0; y < height; y++) {
fontRenderer.drawStringBackgroundPart(0,
FixedWidthFontRenderer.FONT_HEIGHT * y,
terminal.getBackgroundColourLine(y),
marginXSize,
marginXSize,
greyscale,
palette);
}
} finally {
GlStateManager.endList();
}
}
GlStateManager.callList(originTerminal.renderDisplayLists[0]);
GlStateManager.clearCurrentColor();
// Draw text
fontRenderer.bindFont();
if (redraw) {
// Build text display list
GlStateManager.newList(originTerminal.renderDisplayLists[1], GL11.GL_COMPILE);
try {
// Lines
for (int y = 0; y < height; y++) {
fontRenderer.drawStringTextPart(0,
FixedWidthFontRenderer.FONT_HEIGHT * y,
terminal.getLine(y),
terminal.getTextColourLine(y),
greyscale,
palette);
}
} finally {
GlStateManager.endList();
}
}
GlStateManager.callList(originTerminal.renderDisplayLists[1]);
GlStateManager.clearCurrentColor();
// Draw cursor
fontRenderer.bindFont();
if (redraw) {
// Build cursor display list
GlStateManager.newList(originTerminal.renderDisplayLists[2], GL11.GL_COMPILE);
try {
// Cursor
if (terminal.getCursorBlink() && cursorX >= 0 && cursorX < width && cursorY >= 0 && cursorY < height) {
TextBuffer cursor = new TextBuffer("_");
TextBuffer cursorColour = new TextBuffer("0123456789abcdef".charAt(terminal.getTextColour()), 1);
fontRenderer.drawString(cursor,
FixedWidthFontRenderer.FONT_WIDTH * cursorX,
FixedWidthFontRenderer.FONT_HEIGHT * cursorY,
cursorColour,
null,
0,
0,
greyscale,
palette);
}
} finally {
GlStateManager.endList();
}
}
if (FrameInfo.getGlobalCursorBlink()) {
GlStateManager.callList(originTerminal.renderDisplayLists[2]);
GlStateManager.clearCurrentColor();
}
} finally {
GlStateManager.popMatrix();
}
} else {
// Draw a big black quad
mc.getTextureManager()
.bindTextureInner(FixedWidthFontRenderer.BACKGROUND);
final Colour colour = Colour.Black;
final float r = colour.getR();
final float g = colour.getG();
final float b = colour.getB();
renderer.begin(GL11.GL_TRIANGLE_STRIP, VertexFormats.POSITION_TEXTURE_COLOR);
renderer.vertex(-TileMonitor.RENDER_MARGIN, TileMonitor.RENDER_MARGIN, 0.0D)
.texture(0.0, 0.0)
.color(r, g, b, 1.0f)
.next();
renderer.vertex(-TileMonitor.RENDER_MARGIN, -ySize - TileMonitor.RENDER_MARGIN, 0.0)
.texture(0.0, 1.0)
.color(r, g, b, 1.0f)
.next();
renderer.vertex(xSize + TileMonitor.RENDER_MARGIN, TileMonitor.RENDER_MARGIN, 0.0D)
.texture(1.0, 0.0)
.color(r, g, b, 1.0f)
.next();
renderer.vertex(xSize + TileMonitor.RENDER_MARGIN, -ySize - TileMonitor.RENDER_MARGIN, 0.0)
.texture(1.0, 1.0)
.color(r, g, b, 1.0f)
.next();
tessellator.draw();
}
} finally {
GlStateManager.depthMask(true);
mc.gameRenderer.enableLightmap();
GlStateManager.enableLighting();
}
// Draw the depth blocker
GlStateManager.colorMask(false, false, false, false);
try {
mc.getTextureManager()
.bindTextureInner(FixedWidthFontRenderer.BACKGROUND);
renderer.begin(GL11.GL_TRIANGLE_STRIP, VertexFormats.POSITION);
renderer.vertex(-TileMonitor.RENDER_MARGIN, TileMonitor.RENDER_MARGIN, 0.0)
.next();
renderer.vertex(-TileMonitor.RENDER_MARGIN, -ySize - TileMonitor.RENDER_MARGIN, 0.0)
.next();
renderer.vertex(xSize + TileMonitor.RENDER_MARGIN, TileMonitor.RENDER_MARGIN, 0.0)
.next();
renderer.vertex(xSize + TileMonitor.RENDER_MARGIN, -ySize - TileMonitor.RENDER_MARGIN, 0.0)
.next();
tessellator.draw();
} finally {
GlStateManager.colorMask(true, true, true, true);
}
} finally {
GlStateManager.color4f(1.0f, 1.0f, 1.0f, 1.0f);
GlStateManager.popMatrix();
}
}
}

220
src/main/java/dan200/computercraft/client/render/TileEntityTurtleRenderer.java
View File

@@ -1,220 +0,0 @@
/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.render;
import java.nio.Buffer;
import java.nio.FloatBuffer;
import java.util.List;
import java.util.Random;
import javax.vecmath.Matrix4f;
import com.mojang.blaze3d.platform.GlStateManager;
import dan200.computercraft.api.turtle.ITurtleUpgrade;
import dan200.computercraft.api.turtle.TurtleSide;
import dan200.computercraft.shared.computer.core.ComputerFamily;
import dan200.computercraft.shared.turtle.blocks.TileTurtle;
import dan200.computercraft.shared.util.DirectionUtil;
import dan200.computercraft.shared.util.Holiday;
import dan200.computercraft.shared.util.HolidayUtil;
import org.apache.commons.lang3.tuple.Pair;
import org.lwjgl.BufferUtils;
import org.lwjgl.opengl.GL11;
import net.minecraft.block.BlockState;
import net.minecraft.client.MinecraftClient;
import net.minecraft.client.render.BufferBuilder;
import net.minecraft.client.render.GameRenderer;
import net.minecraft.client.render.Tessellator;
import net.minecraft.client.render.VertexFormat;
import net.minecraft.client.render.VertexFormats;
import net.minecraft.client.render.block.entity.BlockEntityRenderer;
import net.minecraft.client.render.model.BakedModel;
import net.minecraft.client.render.model.BakedModelManager;
import net.minecraft.client.render.model.BakedQuad;
import net.minecraft.client.texture.SpriteAtlasTexture;
import net.minecraft.client.util.ModelIdentifier;
import net.minecraft.util.Identifier;
import net.minecraft.util.hit.BlockHitResult;
import net.minecraft.util.math.Direction;
import net.minecraft.util.math.Vec3d;
import net.minecraft.util.math.Vec3i;
public class TileEntityTurtleRenderer extends BlockEntityRenderer<TileTurtle> {
private static final ModelIdentifier NORMAL_TURTLE_MODEL = new ModelIdentifier("computercraft:turtle_normal", "inventory");
private static final ModelIdentifier ADVANCED_TURTLE_MODEL = new ModelIdentifier("computercraft:turtle_advanced", "inventory");
private static final ModelIdentifier COLOUR_TURTLE_MODEL = new ModelIdentifier("computercraft:turtle_colour", "inventory");
private static final ModelIdentifier ELF_OVERLAY_MODEL = new ModelIdentifier("computercraft:turtle_elf_overlay", "inventory");
private static final FloatBuffer matrixBuf = BufferUtils.createFloatBuffer(16);
public static ModelIdentifier getTurtleModel(ComputerFamily family, boolean coloured) {
switch (family) {
case Normal:
default:
return coloured ? COLOUR_TURTLE_MODEL : NORMAL_TURTLE_MODEL;
case Advanced:
return coloured ? COLOUR_TURTLE_MODEL : ADVANCED_TURTLE_MODEL;
}
}
public static ModelIdentifier getTurtleOverlayModel(Identifier overlay, boolean christmas) {
if (overlay != null) {
return new ModelIdentifier(overlay, "inventory");
} else if (christmas) {
return ELF_OVERLAY_MODEL;
} else {
return null;
}
}
private static void renderQuads(Tessellator tessellator, List<BakedQuad> quads, int[] tints) {
BufferBuilder buffer = tessellator.getBuffer();
VertexFormat format = VertexFormats.POSITION_COLOR_TEXTURE_LIGHT_NORMAL;
buffer.begin(GL11.GL_QUADS, format);
for (BakedQuad quad : quads) {
int colour = 0xFFFFFFFF;
if (quad.hasColor() && tints != null) {
int index = quad.getColorIndex();
if (index >= 0 && index < tints.length) {
colour = tints[index] | 0xFF000000;
}
}
buffer.putVertexData(quad.getVertexData());
buffer.setQuadColor(colour);
Vec3i normal = quad.getFace()
.getVector();
buffer.postNormal(normal.getX(), normal.getY(), normal.getZ());
}
tessellator.draw();
}
@Override
public void render(TileTurtle tileEntity, double posX, double posY, double posZ, float partialTicks, int breaking) {
if (tileEntity != null) {
this.renderTurtleAt(tileEntity, posX, posY, posZ, partialTicks);
}
}
private void renderTurtleAt(TileTurtle turtle, double posX, double posY, double posZ, float partialTicks) {
// Render the label
String label = turtle.createProxy()
.getLabel();
if (label != null && renderManager.crosshairTarget != null && renderManager.crosshairTarget instanceof BlockHitResult && turtle.getPos()
.equals(((BlockHitResult) renderManager.crosshairTarget).getBlockPos())) {
disableLightmap(true);
GameRenderer.renderFloatingText(getFontRenderer(),
label,
(float) posX + 0.5F,
(float) posY + 1.2F,
(float) posZ + 0.5F,
0,
renderManager.camera.getYaw(),
renderManager.camera.getPitch(),
false);
disableLightmap(false);
}
GlStateManager.pushMatrix();
try {
BlockState state = turtle.getCachedState();
// Setup the transform
Vec3d offset = turtle.getRenderOffset(partialTicks);
float yaw = turtle.getRenderYaw(partialTicks);
GlStateManager.translated(posX + offset.x, posY + offset.y, posZ + offset.z);
// Render the turtle
GlStateManager.translatef(0.5f, 0.5f, 0.5f);
GlStateManager.rotatef(180.0f - yaw, 0.0f, 1.0f, 0.0f);
if (label != null && (label.equals("Dinnerbone") || label.equals("Grumm"))) {
// Flip the model and swap the cull face as winding order will have changed.
GlStateManager.scalef(1.0f, -1.0f, 1.0f);
GlStateManager.cullFace(GlStateManager.FaceSides.FRONT);
}
GlStateManager.translatef(-0.5f, -0.5f, -0.5f);
// Render the turtle
int colour = turtle.getColour();
ComputerFamily family = turtle.getFamily();
Identifier overlay = turtle.getOverlay();
this.renderModel(state, getTurtleModel(family, colour != -1), colour == -1 ? null : new int[] {colour});
// Render the overlay
ModelIdentifier overlayModel = getTurtleOverlayModel(overlay, HolidayUtil.getCurrentHoliday() == Holiday.Christmas);
if (overlayModel != null) {
GlStateManager.disableCull();
GlStateManager.enableBlend();
GlStateManager.blendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
try {
this.renderModel(state, overlayModel, null);
} finally {
GlStateManager.disableBlend();
GlStateManager.enableCull();
}
}
// Render the upgrades
this.renderUpgrade(state, turtle, TurtleSide.Left, partialTicks);
this.renderUpgrade(state, turtle, TurtleSide.Right, partialTicks);
} finally {
GlStateManager.popMatrix();
GlStateManager.cullFace(GlStateManager.FaceSides.BACK);
}
}
private void renderUpgrade(BlockState state, TileTurtle turtle, TurtleSide side, float f) {
ITurtleUpgrade upgrade = turtle.getUpgrade(side);
if (upgrade != null) {
GlStateManager.pushMatrix();
try {
float toolAngle = turtle.getToolRenderAngle(side, f);
GlStateManager.translatef(0.0f, 0.5f, 0.5f);
GlStateManager.rotatef(-toolAngle, 1.0f, 0.0f, 0.0f);
GlStateManager.translatef(0.0f, -0.5f, -0.5f);
Pair<BakedModel, Matrix4f> pair = upgrade.getModel(turtle.getAccess(), side);
if (pair != null) {
if (pair.getRight() != null) {
matrixBuf.clear();
float[] t = new float[4];
for (int i = 0; i < 4; i++) {
pair.getRight()
.getColumn(i, t);
matrixBuf.put(t);
}
matrixBuf.flip();
GlStateManager.multMatrix(matrixBuf);
}
if (pair.getLeft() != null) {
this.renderModel(state, pair.getLeft(), null);
}
}
} finally {
GlStateManager.popMatrix();
}
}
}
private void renderModel(BlockState state, ModelIdentifier modelLocation, int[] tints) {
MinecraftClient mc = MinecraftClient.getInstance();
BakedModelManager modelManager = mc.getItemRenderer()
.getModels()
.getModelManager();
this.renderModel(state, modelManager.getModel(modelLocation), tints);
}
private void renderModel(BlockState state, BakedModel model, int[] tints) {
Random random = new Random(0);
Tessellator tessellator = Tessellator.getInstance();
renderManager.textureManager.bindTextureInner(SpriteAtlasTexture.BLOCK_ATLAS_TEX);
renderQuads(tessellator, model.getQuads(state, null, random), tints);
for (Direction facing : DirectionUtil.FACINGS) {
renderQuads(tessellator, model.getQuads(state, facing, random), tints);
}
}
}

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src/main/java/dan200/computercraft/client/render/TurtleModelLoader.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.render;
import java.util.Arrays;
import java.util.Collection;
import java.util.Set;
import java.util.function.Function;
import java.util.stream.Collectors;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import dan200.computercraft.ComputerCraft;
import net.minecraft.client.render.model.BakedModel;
import net.minecraft.client.render.model.ModelBakeSettings;
import net.minecraft.client.render.model.ModelLoader;
import net.minecraft.client.render.model.UnbakedModel;
import net.minecraft.client.texture.Sprite;
import net.minecraft.util.Identifier;
public final class TurtleModelLoader {
public static final TurtleModelLoader INSTANCE = new TurtleModelLoader();
private static final Identifier NORMAL_TURTLE_MODEL = new Identifier(ComputerCraft.MOD_ID, "block/turtle_normal");
private static final Identifier ADVANCED_TURTLE_MODEL = new Identifier(ComputerCraft.MOD_ID, "block/turtle_advanced");
private static final Identifier COLOUR_TURTLE_MODEL = new Identifier(ComputerCraft.MOD_ID, "block/turtle_colour");
private TurtleModelLoader() {
}
public boolean accepts(@Nonnull Identifier name) {
return name.getNamespace()
.equals(ComputerCraft.MOD_ID) && (name.getPath()
.equals("item/turtle_normal") || name.getPath()
.equals("item/turtle_advanced"));
}
@Nonnull
public UnbakedModel loadModel(@Nonnull Identifier name) {
if (name.getNamespace()
.equals(ComputerCraft.MOD_ID)) {
switch (name.getPath()) {
case "item/turtle_normal":
return new TurtleModel(NORMAL_TURTLE_MODEL);
case "item/turtle_advanced":
return new TurtleModel(ADVANCED_TURTLE_MODEL);
}
}
throw new IllegalStateException("Loader does not accept " + name);
}
private static final class TurtleModel implements UnbakedModel {
private final Identifier family;
private TurtleModel(Identifier family) {this.family = family;}
@Nonnull
@Override
public Collection<Identifier> getTextureDependencies(@Nonnull Function<Identifier, UnbakedModel> modelGetter,
@Nonnull Set<String> missingTextureErrors) {
return this.getModelDependencies().stream()
.flatMap(x -> modelGetter.apply(x)
.getTextureDependencies(modelGetter, missingTextureErrors)
.stream())
.collect(Collectors.toSet());
}
@Nonnull
@Override
public Collection<Identifier> getModelDependencies() {
return Arrays.asList(this.family, COLOUR_TURTLE_MODEL);
}
@Nullable
@Override
public BakedModel bake(@Nonnull ModelLoader loader, @Nonnull Function<Identifier, Sprite> spriteGetter, @Nonnull ModelBakeSettings state) {
return new TurtleSmartItemModel(loader,
loader.getOrLoadModel(this.family)
.bake(loader, spriteGetter, state),
loader.getOrLoadModel(COLOUR_TURTLE_MODEL)
.bake(loader, spriteGetter, state));
}
}
}

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src/main/java/dan200/computercraft/client/render/TurtleMultiModel.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.render;
import java.util.ArrayList;
import java.util.EnumMap;
import java.util.List;
import java.util.Map;
import java.util.Random;
import javax.annotation.Nonnull;
import javax.vecmath.Matrix4f;
import net.minecraft.block.BlockState;
import net.minecraft.client.render.model.BakedModel;
import net.minecraft.client.render.model.BakedQuad;
import net.minecraft.client.render.model.json.ModelOverrideList;
import net.minecraft.client.render.model.json.ModelTransformation;
import net.minecraft.client.texture.Sprite;
import net.minecraft.util.math.Direction;
public class TurtleMultiModel implements BakedModel {
private final BakedModel m_baseModel;
private final BakedModel m_overlayModel;
private final Matrix4f m_generalTransform;
private final BakedModel m_leftUpgradeModel;
private final Matrix4f m_leftUpgradeTransform;
private final BakedModel m_rightUpgradeModel;
private final Matrix4f m_rightUpgradeTransform;
private List<BakedQuad> m_generalQuads = null;
private Map<Direction, List<BakedQuad>> m_faceQuads = new EnumMap<>(Direction.class);
public TurtleMultiModel(BakedModel baseModel, BakedModel overlayModel, Matrix4f generalTransform, BakedModel leftUpgradeModel,
Matrix4f leftUpgradeTransform, BakedModel rightUpgradeModel, Matrix4f rightUpgradeTransform) {
// Get the models
this.m_baseModel = baseModel;
this.m_overlayModel = overlayModel;
this.m_leftUpgradeModel = leftUpgradeModel;
this.m_leftUpgradeTransform = leftUpgradeTransform;
this.m_rightUpgradeModel = rightUpgradeModel;
this.m_rightUpgradeTransform = rightUpgradeTransform;
this.m_generalTransform = generalTransform;
}
@Nonnull
@Override
public List<BakedQuad> getQuads(BlockState state, Direction side, @Nonnull Random rand) {
if (side != null) {
if (!this.m_faceQuads.containsKey(side)) {
this.m_faceQuads.put(side, this.buildQuads(state, side, rand));
}
return this.m_faceQuads.get(side);
} else {
if (this.m_generalQuads == null) {
this.m_generalQuads = this.buildQuads(state, side, rand);
}
return this.m_generalQuads;
}
}
private List<BakedQuad> buildQuads(BlockState state, Direction side, Random rand) {
ArrayList<BakedQuad> quads = new ArrayList<>();
ModelTransformer.transformQuadsTo(quads, this.m_baseModel.getQuads(state, side, rand), this.m_generalTransform);
if (this.m_overlayModel != null) {
ModelTransformer.transformQuadsTo(quads, this.m_overlayModel.getQuads(state, side, rand), this.m_generalTransform);
}
if (this.m_leftUpgradeModel != null) {
Matrix4f upgradeTransform = this.m_generalTransform;
if (this.m_leftUpgradeTransform != null) {
upgradeTransform = new Matrix4f(this.m_generalTransform);
upgradeTransform.mul(this.m_leftUpgradeTransform);
}
ModelTransformer.transformQuadsTo(quads, this.m_leftUpgradeModel.getQuads(state, side, rand), upgradeTransform);
}
if (this.m_rightUpgradeModel != null) {
Matrix4f upgradeTransform = this.m_generalTransform;
if (this.m_rightUpgradeTransform != null) {
upgradeTransform = new Matrix4f(this.m_generalTransform);
upgradeTransform.mul(this.m_rightUpgradeTransform);
}
ModelTransformer.transformQuadsTo(quads, this.m_rightUpgradeModel.getQuads(state, side, rand), upgradeTransform);
}
quads.trimToSize();
return quads;
}
@Override
public boolean useAmbientOcclusion() {
return this.m_baseModel.useAmbientOcclusion();
}
@Override
public boolean hasDepth() {
return this.m_baseModel.hasDepth();
}
@Override
public boolean isBuiltin() {
return this.m_baseModel.isBuiltin();
}
@Override
public Sprite getSprite() {
return this.m_baseModel.getSprite();
}
@Override
public ModelTransformation getTransformation() {
return this.m_baseModel.getTransformation();
}
@Override
public ModelOverrideList getOverrides() {
return ModelOverrideList.EMPTY;
}
}

199
src/main/java/dan200/computercraft/client/render/TurtleSmartItemModel.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.client.render;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Random;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import javax.vecmath.Matrix4f;
import com.google.common.base.Objects;
import dan200.computercraft.api.turtle.ITurtleUpgrade;
import dan200.computercraft.api.turtle.TurtleSide;
import dan200.computercraft.shared.turtle.items.ItemTurtle;
import dan200.computercraft.shared.util.Holiday;
import dan200.computercraft.shared.util.HolidayUtil;
import org.apache.commons.lang3.tuple.Pair;
import net.minecraft.block.BlockState;
import net.minecraft.client.MinecraftClient;
import net.minecraft.client.render.model.BakedModel;
import net.minecraft.client.render.model.BakedModelManager;
import net.minecraft.client.render.model.BakedQuad;
import net.minecraft.client.render.model.ModelLoader;
import net.minecraft.client.render.model.json.ModelOverrideList;
import net.minecraft.client.render.model.json.ModelTransformation;
import net.minecraft.client.texture.Sprite;
import net.minecraft.client.util.ModelIdentifier;
import net.minecraft.entity.LivingEntity;
import net.minecraft.item.ItemStack;
import net.minecraft.util.Identifier;
import net.minecraft.util.math.Direction;
import net.minecraft.world.World;
public class TurtleSmartItemModel implements BakedModel {
private static final Matrix4f s_identity, s_flip;
static {
s_identity = new Matrix4f();
s_identity.setIdentity();
s_flip = new Matrix4f();
s_flip.setIdentity();
s_flip.m11 = -1; // Flip on the y axis
s_flip.m13 = 1; // Models go from (0,0,0) to (1,1,1), so push back up.
}
private final BakedModel familyModel;
private final BakedModel colourModel;
private HashMap<TurtleModelCombination, BakedModel> m_cachedModels;
private ModelOverrideList m_overrides;
public TurtleSmartItemModel(ModelLoader loader, BakedModel familyModel, BakedModel colourModel) {
this.familyModel = familyModel;
this.colourModel = colourModel;
this.m_cachedModels = new HashMap<>();
this.m_overrides = new ModelOverrideList(loader, null, null, Collections.emptyList()) {
@Nonnull
@Override
public BakedModel apply(@Nonnull BakedModel originalModel, @Nonnull ItemStack stack, @Nullable World world, @Nullable LivingEntity entity) {
ItemTurtle turtle = (ItemTurtle) stack.getItem();
int colour = turtle.getColour(stack);
ITurtleUpgrade leftUpgrade = turtle.getUpgrade(stack, TurtleSide.Left);
ITurtleUpgrade rightUpgrade = turtle.getUpgrade(stack, TurtleSide.Right);
Identifier overlay = turtle.getOverlay(stack);
boolean christmas = HolidayUtil.getCurrentHoliday() == Holiday.Christmas;
String label = turtle.getLabel(stack);
boolean flip = label != null && (label.equals("Dinnerbone") || label.equals("Grumm"));
TurtleModelCombination combo = new TurtleModelCombination(colour != -1, leftUpgrade, rightUpgrade, overlay, christmas, flip);
BakedModel model = TurtleSmartItemModel.this.m_cachedModels.get(combo);
if (model == null) {
TurtleSmartItemModel.this.m_cachedModels.put(combo, model = TurtleSmartItemModel.this.buildModel(combo));
}
return model;
}
};
}
private BakedModel buildModel(TurtleModelCombination combo) {
MinecraftClient mc = MinecraftClient.getInstance();
BakedModelManager modelManager = mc.getItemRenderer()
.getModels()
.getModelManager();
ModelIdentifier overlayModelLocation = TileEntityTurtleRenderer.getTurtleOverlayModel(combo.m_overlay, combo.m_christmas);
BakedModel baseModel = combo.m_colour ? this.colourModel : this.familyModel;
BakedModel overlayModel = overlayModelLocation != null ? modelManager.getModel(overlayModelLocation) : null;
Matrix4f transform = combo.m_flip ? s_flip : s_identity;
Pair<BakedModel, Matrix4f> leftModel = combo.m_leftUpgrade != null ? combo.m_leftUpgrade.getModel(null, TurtleSide.Left) : null;
Pair<BakedModel, Matrix4f> rightModel = combo.m_rightUpgrade != null ? combo.m_rightUpgrade.getModel(null, TurtleSide.Right) : null;
if (leftModel != null && rightModel != null) {
return new TurtleMultiModel(baseModel,
overlayModel,
transform,
leftModel.getLeft(),
leftModel.getRight(),
rightModel.getLeft(),
rightModel.getRight());
} else if (leftModel != null) {
return new TurtleMultiModel(baseModel, overlayModel, transform, leftModel.getLeft(), leftModel.getRight(), null, null);
} else if (rightModel != null) {
return new TurtleMultiModel(baseModel, overlayModel, transform, null, null, rightModel.getLeft(), rightModel.getRight());
} else {
return new TurtleMultiModel(baseModel, overlayModel, transform, null, null, null, null);
}
}
@Nonnull
@Override
@Deprecated
public List<BakedQuad> getQuads(BlockState state, Direction facing, Random rand) {
return this.familyModel.getQuads(state, facing, rand);
}
@Override
public boolean useAmbientOcclusion() {
return this.familyModel.useAmbientOcclusion();
}
@Override
public boolean hasDepth() {
return this.familyModel.hasDepth();
}
@Override
public boolean isBuiltin() {
return this.familyModel.isBuiltin();
}
@Override
public Sprite getSprite() {
return null;
}
@Override
public ModelTransformation getTransformation() {
return this.familyModel.getTransformation();
}
@Nonnull
@Override
public ModelOverrideList getOverrides() {
return this.m_overrides;
}
private static class TurtleModelCombination {
final boolean m_colour;
final ITurtleUpgrade m_leftUpgrade;
final ITurtleUpgrade m_rightUpgrade;
final Identifier m_overlay;
final boolean m_christmas;
final boolean m_flip;
TurtleModelCombination(boolean colour, ITurtleUpgrade leftUpgrade, ITurtleUpgrade rightUpgrade, Identifier overlay, boolean christmas,
boolean flip) {
this.m_colour = colour;
this.m_leftUpgrade = leftUpgrade;
this.m_rightUpgrade = rightUpgrade;
this.m_overlay = overlay;
this.m_christmas = christmas;
this.m_flip = flip;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 0;
result = prime * result + (this.m_colour ? 1 : 0);
result = prime * result + (this.m_leftUpgrade != null ? this.m_leftUpgrade.hashCode() : 0);
result = prime * result + (this.m_rightUpgrade != null ? this.m_rightUpgrade.hashCode() : 0);
result = prime * result + (this.m_overlay != null ? this.m_overlay.hashCode() : 0);
result = prime * result + (this.m_christmas ? 1 : 0);
result = prime * result + (this.m_flip ? 1 : 0);
return result;
}
@Override
public boolean equals(Object other) {
if (other == this) {
return true;
}
if (!(other instanceof TurtleModelCombination)) {
return false;
}
TurtleModelCombination otherCombo = (TurtleModelCombination) other;
return otherCombo.m_colour == this.m_colour && otherCombo.m_leftUpgrade == this.m_leftUpgrade && otherCombo.m_rightUpgrade == this.m_rightUpgrade && Objects.equal(
otherCombo.m_overlay, this.m_overlay) && otherCombo.m_christmas == this.m_christmas && otherCombo.m_flip == this.m_flip;
}
}
}

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src/main/java/dan200/computercraft/core/apis/AddressPredicate.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.core.apis;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.regex.Pattern;
import com.google.common.net.InetAddresses;
import dan200.computercraft.ComputerCraft;
/**
* Used to determine whether a domain or IP address matches a series of patterns.
*/
public class AddressPredicate {
private final List<Pattern> wildcards;
private final List<HostRange> ranges;
public AddressPredicate(String... filters) {
this(Arrays.asList(filters));
}
public AddressPredicate(Iterable<? extends String> filters) {
List<Pattern> wildcards = this.wildcards = new ArrayList<>();
List<HostRange> ranges = this.ranges = new ArrayList<>();
for (String filter : filters) {
int cidr = filter.indexOf('/');
if (cidr >= 0) {
String addressStr = filter.substring(0, cidr);
String prefixSizeStr = filter.substring(cidr + 1);
int prefixSize;
try {
prefixSize = Integer.parseInt(prefixSizeStr);
} catch (NumberFormatException e) {
ComputerCraft.log.error("Malformed http whitelist/blacklist entry '{}': Cannot extract size of CIDR mask from '{}'.",
filter,
prefixSizeStr);
continue;
}
InetAddress address;
try {
address = InetAddresses.forString(addressStr);
} catch (IllegalArgumentException e) {
ComputerCraft.log.error("Malformed http whitelist/blacklist entry '{}': Cannot extract IP address from '{}'.", filter, prefixSizeStr);
continue;
}
// Mask the bytes of the IP address.
byte[] minBytes = address.getAddress(), maxBytes = address.getAddress();
int size = prefixSize;
for (int i = 0; i < minBytes.length; i++) {
if (size <= 0) {
minBytes[i] &= 0;
maxBytes[i] |= 0xFF;
} else if (size < 8) {
minBytes[i] &= 0xFF << (8 - size);
maxBytes[i] |= ~(0xFF << (8 - size));
}
size -= 8;
}
ranges.add(new HostRange(minBytes, maxBytes));
} else {
wildcards.add(Pattern.compile("^\\Q" + filter.replaceAll("\\*", "\\\\E.*\\\\Q") + "\\E$"));
}
}
}
/**
* Determine whether the given address matches a series of patterns
*
* @param address The address to check.
* @return Whether it matches any of these patterns.
*/
public boolean matches(InetAddress address) {
// Match the host name
String host = address.getHostName();
if (host != null && this.matches(host)) {
return true;
}
// Match the normal address
if (this.matchesAddress(address)) {
return true;
}
// If we're an IPv4 address in disguise then let's check that.
return address instanceof Inet6Address && InetAddresses.is6to4Address((Inet6Address) address) && this.matchesAddress(InetAddresses.get6to4IPv4Address((Inet6Address) address));
}
/**
* Determine whether a host name matches a series of patterns.
*
* This is intended to allow early exiting, before one has to look up the IP address. You should use {@link #matches(InetAddress)} instead of/in
* addition to this one.
*
* @param domain The domain to match.
* @return Whether the patterns were matched.
*/
public boolean matches(String domain) {
for (Pattern domainPattern : this.wildcards) {
if (domainPattern.matcher(domain)
.matches()) {
return true;
}
}
return false;
}
private boolean matchesAddress(InetAddress address) {
String addressString = address.getHostAddress();
for (Pattern domainPattern : this.wildcards) {
if (domainPattern.matcher(addressString)
.matches()) {
return true;
}
}
for (HostRange range : this.ranges) {
if (range.contains(address)) {
return true;
}
}
return false;
}
private static final class HostRange {
private final byte[] min;
private final byte[] max;
private HostRange(byte[] min, byte[] max) {
this.min = min;
this.max = max;
}
public boolean contains(InetAddress address) {
byte[] entry = address.getAddress();
if (entry.length != this.min.length) {
return false;
}
for (int i = 0; i < entry.length; i++) {
int value = 0xFF & entry[i];
if (value < (0xFF & this.min[i]) || value > (0xFF & this.max[i])) {
return false;
}
}
return true;
}
}
}

32
src/main/java/dan200/computercraft/core/apis/ApiFactories.java
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@@ -1,32 +0,0 @@
/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.core.apis;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Objects;
import javax.annotation.Nonnull;
import dan200.computercraft.api.lua.ILuaAPIFactory;
public final class ApiFactories {
private static final Collection<ILuaAPIFactory> factories = new LinkedHashSet<>();
private static final Collection<ILuaAPIFactory> factoriesView = Collections.unmodifiableCollection(factories);
private ApiFactories() {
}
public static synchronized void register(@Nonnull ILuaAPIFactory factory) {
Objects.requireNonNull(factory, "provider cannot be null");
factories.add(factory);
}
public static Iterable<ILuaAPIFactory> getAll() {
return factoriesView;
}
}

217
src/main/java/dan200/computercraft/core/apis/ArgumentHelper.java
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@@ -1,217 +0,0 @@
/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.core.apis;
import java.util.Map;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import dan200.computercraft.api.lua.LuaException;
/**
* Various helpers for arguments
*/
public final class ArgumentHelper {
private ArgumentHelper() {
throw new IllegalStateException("Cannot instantiate singleton " + this.getClass().getName());
}
public static int getInt(@Nonnull Object[] args, int index) throws LuaException {
return (int) getLong(args, index);
}
public static long getLong(@Nonnull Object[] args, int index) throws LuaException {
if (index >= args.length) {
throw badArgument(index, "number", "nil");
}
Object value = args[index];
if (value instanceof Number) {
return checkReal(index, (Number) value).longValue();
} else {
throw badArgument(index, "number", value);
}
}
@Nonnull
public static LuaException badArgument(int index, @Nonnull String expected, @Nonnull String actual) {
return new LuaException("bad argument #" + (index + 1) + " (" + expected + " expected, got " + actual + ")");
}
private static Number checkReal(int index, Number value) throws LuaException {
checkReal(index, value.doubleValue());
return value;
}
@Nonnull
public static LuaException badArgument(int index, @Nonnull String expected, @Nullable Object actual) {
return badArgument(index, expected, getType(actual));
}
private static double checkReal(int index, double value) throws LuaException {
if (Double.isNaN(value)) {
throw badArgument(index, "number", "nan");
} else if (value == Double.POSITIVE_INFINITY) {
throw badArgument(index, "number", "inf");
} else if (value == Double.NEGATIVE_INFINITY) {
throw badArgument(index, "number", "-inf");
} else {
return value;
}
}
@Nonnull
public static String getType(@Nullable Object type) {
if (type == null) {
return "nil";
}
if (type instanceof String) {
return "string";
}
if (type instanceof Boolean) {
return "boolean";
}
if (type instanceof Number) {
return "number";
}
if (type instanceof Map) {
return "table";
}
Class<?> klass = type.getClass();
if (klass.isArray()) {
StringBuilder name = new StringBuilder();
while (klass.isArray()) {
name.append("[]");
klass = klass.getComponentType();
}
name.insert(0, klass.getName());
return name.toString();
} else {
return klass.getName();
}
}
public static double getReal(@Nonnull Object[] args, int index) throws LuaException {
return checkReal(index, getNumber(args, index));
}
public static double getNumber(@Nonnull Object[] args, int index) throws LuaException {
if (index >= args.length) {
throw badArgument(index, "number", "nil");
}
Object value = args[index];
if (value instanceof Number) {
return ((Number) value).doubleValue();
} else {
throw badArgument(index, "number", value);
}
}
public static boolean getBoolean(@Nonnull Object[] args, int index) throws LuaException {
if (index >= args.length) {
throw badArgument(index, "boolean", "nil");
}
Object value = args[index];
if (value instanceof Boolean) {
return (Boolean) value;
} else {
throw badArgument(index, "boolean", value);
}
}
@Nonnull
public static String getString(@Nonnull Object[] args, int index) throws LuaException {
if (index >= args.length) {
throw badArgument(index, "string", "nil");
}
Object value = args[index];
if (value instanceof String) {
return (String) value;
} else {
throw badArgument(index, "string", value);
}
}
@SuppressWarnings ("unchecked")
@Nonnull
public static Map<Object, Object> getTable(@Nonnull Object[] args, int index) throws LuaException {
if (index >= args.length) {
throw badArgument(index, "table", "nil");
}
Object value = args[index];
if (value instanceof Map) {
return (Map<Object, Object>) value;
} else {
throw badArgument(index, "table", value);
}
}
public static int optInt(@Nonnull Object[] args, int index, int def) throws LuaException {
return (int) optLong(args, index, def);
}
public static long optLong(@Nonnull Object[] args, int index, long def) throws LuaException {
Object value = index < args.length ? args[index] : null;
if (value == null) {
return def;
} else if (value instanceof Number) {
return checkReal(index, (Number) value).longValue();
} else {
throw badArgument(index, "number", value);
}
}
public static double optReal(@Nonnull Object[] args, int index, double def) throws LuaException {
return checkReal(index, optNumber(args, index, def));
}
public static double optNumber(@Nonnull Object[] args, int index, double def) throws LuaException {
Object value = index < args.length ? args[index] : null;
if (value == null) {
return def;
} else if (value instanceof Number) {
return ((Number) value).doubleValue();
} else {
throw badArgument(index, "number", value);
}
}
public static boolean optBoolean(@Nonnull Object[] args, int index, boolean def) throws LuaException {
Object value = index < args.length ? args[index] : null;
if (value == null) {
return def;
} else if (value instanceof Boolean) {
return (Boolean) value;
} else {
throw badArgument(index, "boolean", value);
}
}
public static String optString(@Nonnull Object[] args, int index, String def) throws LuaException {
Object value = index < args.length ? args[index] : null;
if (value == null) {
return def;
} else if (value instanceof String) {
return (String) value;
} else {
throw badArgument(index, "string", value);
}
}
@SuppressWarnings ("unchecked")
public static Map<Object, Object> optTable(@Nonnull Object[] args, int index, Map<Object, Object> def) throws LuaException {
Object value = index < args.length ? args[index] : null;
if (value == null) {
return def;
} else if (value instanceof Map) {
return (Map<Object, Object>) value;
} else {
throw badArgument(index, "table", value);
}
}
}

141
src/main/java/dan200/computercraft/core/apis/ComputerAccess.java
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@@ -1,141 +0,0 @@
/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.core.apis;
import java.util.HashSet;
import java.util.Objects;
import java.util.Set;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import dan200.computercraft.api.filesystem.IMount;
import dan200.computercraft.api.filesystem.IWritableMount;
import dan200.computercraft.api.peripheral.IComputerAccess;
import dan200.computercraft.api.peripheral.IWorkMonitor;
import dan200.computercraft.core.filesystem.FileSystem;
import dan200.computercraft.core.filesystem.FileSystemException;
public abstract class ComputerAccess implements IComputerAccess {
private final IAPIEnvironment m_environment;
private final Set<String> m_mounts = new HashSet<>();
protected ComputerAccess(IAPIEnvironment environment) {
this.m_environment = environment;
}
public void unmountAll() {
FileSystem fileSystem = this.m_environment.getFileSystem();
for (String mount : this.m_mounts) {
fileSystem.unmount(mount);
}
this.m_mounts.clear();
}
@Override
public synchronized String mount(@Nonnull String desiredLoc, @Nonnull IMount mount, @Nonnull String driveName) {
Objects.requireNonNull(desiredLoc, "desiredLocation cannot be null");
Objects.requireNonNull(mount, "mount cannot be null");
Objects.requireNonNull(driveName, "driveName cannot be null");
// Mount the location
String location;
FileSystem fileSystem = this.m_environment.getFileSystem();
if (fileSystem == null) {
throw new IllegalStateException("File system has not been created");
}
synchronized (fileSystem) {
location = this.findFreeLocation(desiredLoc);
if (location != null) {
try {
fileSystem.mount(driveName, location, mount);
} catch (FileSystemException ignored) {
}
}
}
if (location != null) {
this.m_mounts.add(location);
}
return location;
}
@Override
public synchronized String mountWritable(@Nonnull String desiredLoc, @Nonnull IWritableMount mount, @Nonnull String driveName) {
Objects.requireNonNull(desiredLoc, "desiredLocation cannot be null");
Objects.requireNonNull(mount, "mount cannot be null");
Objects.requireNonNull(driveName, "driveName cannot be null");
// Mount the location
String location;
FileSystem fileSystem = this.m_environment.getFileSystem();
if (fileSystem == null) {
throw new IllegalStateException("File system has not been created");
}
synchronized (fileSystem) {
location = this.findFreeLocation(desiredLoc);
if (location != null) {
try {
fileSystem.mountWritable(driveName, location, mount);
} catch (FileSystemException ignored) {
}
}
}
if (location != null) {
this.m_mounts.add(location);
}
return location;
}
@Override
public void unmount(String location) {
if (location == null) {
return;
}
if (!this.m_mounts.contains(location)) {
throw new IllegalStateException("You didn't mount this location");
}
this.m_environment.getFileSystem()
.unmount(location);
this.m_mounts.remove(location);
}
@Override
public int getID() {
return this.m_environment.getComputerID();
}
@Override
public void queueEvent(@Nonnull final String event, final Object[] arguments) {
Objects.requireNonNull(event, "event cannot be null");
this.m_environment.queueEvent(event, arguments);
}
@Nullable
@Override
public IWorkMonitor getMainThreadMonitor() {
return this.m_environment.getMainThreadMonitor();
}
private String findFreeLocation(String desiredLoc) {
try {
FileSystem fileSystem = this.m_environment.getFileSystem();
if (!fileSystem.exists(desiredLoc)) {
return desiredLoc;
}
// We used to check foo2, foo3, foo4, etc here but the disk drive does this itself now
return null;
} catch (FileSystemException e) {
return null;
}
}
}

290
src/main/java/dan200/computercraft/core/apis/FSAPI.java
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@@ -1,290 +0,0 @@
/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.core.apis;
import static dan200.computercraft.core.apis.ArgumentHelper.getString;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.nio.channels.ReadableByteChannel;
import java.nio.channels.WritableByteChannel;
import java.util.HashMap;
import java.util.Map;
import java.util.function.Function;
import javax.annotation.Nonnull;
import dan200.computercraft.api.lua.ILuaAPI;
import dan200.computercraft.api.lua.ILuaContext;
import dan200.computercraft.api.lua.LuaException;
import dan200.computercraft.core.apis.handles.BinaryReadableHandle;
import dan200.computercraft.core.apis.handles.BinaryWritableHandle;
import dan200.computercraft.core.apis.handles.EncodedReadableHandle;
import dan200.computercraft.core.apis.handles.EncodedWritableHandle;
import dan200.computercraft.core.filesystem.FileSystem;
import dan200.computercraft.core.filesystem.FileSystemException;
import dan200.computercraft.core.filesystem.FileSystemWrapper;
import dan200.computercraft.core.tracking.TrackingField;
public class FSAPI implements ILuaAPI {
private IAPIEnvironment m_env;
private FileSystem m_fileSystem;
public FSAPI(IAPIEnvironment env) {
this.m_env = env;
this.m_fileSystem = null;
}
@Override
public String[] getNames() {
return new String[] {
"fs"
};
}
@Override
public void startup() {
this.m_fileSystem = this.m_env.getFileSystem();
}
@Override
public void shutdown() {
this.m_fileSystem = null;
}
@Nonnull
@Override
public String[] getMethodNames() {
return new String[] {
"list",
"combine",
"getName",
"getSize",
"exists",
"isDir",
"isReadOnly",
"makeDir",
"move",
"copy",
"delete",
"open",
"getDrive",
"getFreeSpace",
"find",
"getDir",
};
}
@Override
public Object[] callMethod(@Nonnull ILuaContext context, int method, @Nonnull Object[] args) throws LuaException {
switch (method) {
case 0: {
// list
String path = getString(args, 0);
this.m_env.addTrackingChange(TrackingField.FS_OPS);
try {
String[] results = this.m_fileSystem.list(path);
Map<Object, Object> table = new HashMap<>();
for (int i = 0; i < results.length; i++) {
table.put(i + 1, results[i]);
}
return new Object[] {table};
} catch (FileSystemException e) {
throw new LuaException(e.getMessage());
}
}
case 1: {
// combine
String pathA = getString(args, 0);
String pathB = getString(args, 1);
return new Object[] {this.m_fileSystem.combine(pathA, pathB)};
}
case 2: {
// getName
String path = getString(args, 0);
return new Object[] {FileSystem.getName(path)};
}
case 3: {
// getSize
String path = getString(args, 0);
try {
return new Object[] {this.m_fileSystem.getSize(path)};
} catch (FileSystemException e) {
throw new LuaException(e.getMessage());
}
}
case 4: {
// exists
String path = getString(args, 0);
try {
return new Object[] {this.m_fileSystem.exists(path)};
} catch (FileSystemException e) {
return new Object[] {false};
}
}
case 5: {
// isDir
String path = getString(args, 0);
try {
return new Object[] {this.m_fileSystem.isDir(path)};
} catch (FileSystemException e) {
return new Object[] {false};
}
}
case 6: {
// isReadOnly
String path = getString(args, 0);
try {
return new Object[] {this.m_fileSystem.isReadOnly(path)};
} catch (FileSystemException e) {
return new Object[] {false};
}
}
case 7: {
// makeDir
String path = getString(args, 0);
try {
this.m_env.addTrackingChange(TrackingField.FS_OPS);
this.m_fileSystem.makeDir(path);
return null;
} catch (FileSystemException e) {
throw new LuaException(e.getMessage());
}
}
case 8: {
// move
String path = getString(args, 0);
String dest = getString(args, 1);
try {
this.m_env.addTrackingChange(TrackingField.FS_OPS);
this.m_fileSystem.move(path, dest);
return null;
} catch (FileSystemException e) {
throw new LuaException(e.getMessage());
}
}
case 9: {
// copy
String path = getString(args, 0);
String dest = getString(args, 1);
try {
this.m_env.addTrackingChange(TrackingField.FS_OPS);
this.m_fileSystem.copy(path, dest);
return null;
} catch (FileSystemException e) {
throw new LuaException(e.getMessage());
}
}
case 10: {
// delete
String path = getString(args, 0);
try {
this.m_env.addTrackingChange(TrackingField.FS_OPS);
this.m_fileSystem.delete(path);
return null;
} catch (FileSystemException e) {
throw new LuaException(e.getMessage());
}
}
case 11: {
// open
String path = getString(args, 0);
String mode = getString(args, 1);
this.m_env.addTrackingChange(TrackingField.FS_OPS);
try {
switch (mode) {
case "r": {
// Open the file for reading, then create a wrapper around the reader
FileSystemWrapper<BufferedReader> reader = this.m_fileSystem.openForRead(path, EncodedReadableHandle::openUtf8);
return new Object[] {new EncodedReadableHandle(reader.get(), reader)};
}
case "w": {
// Open the file for writing, then create a wrapper around the writer
FileSystemWrapper<BufferedWriter> writer = this.m_fileSystem.openForWrite(path, false, EncodedWritableHandle::openUtf8);
return new Object[] {new EncodedWritableHandle(writer.get(), writer)};
}
case "a": {
// Open the file for appending, then create a wrapper around the writer
FileSystemWrapper<BufferedWriter> writer = this.m_fileSystem.openForWrite(path, true, EncodedWritableHandle::openUtf8);
return new Object[] {new EncodedWritableHandle(writer.get(), writer)};
}
case "rb": {
// Open the file for binary reading, then create a wrapper around the reader
FileSystemWrapper<ReadableByteChannel> reader = this.m_fileSystem.openForRead(path, Function.identity());
return new Object[] {new BinaryReadableHandle(reader.get(), reader)};
}
case "wb": {
// Open the file for binary writing, then create a wrapper around the writer
FileSystemWrapper<WritableByteChannel> writer = this.m_fileSystem.openForWrite(path, false, Function.identity());
return new Object[] {new BinaryWritableHandle(writer.get(), writer)};
}
case "ab": {
// Open the file for binary appending, then create a wrapper around the reader
FileSystemWrapper<WritableByteChannel> writer = this.m_fileSystem.openForWrite(path, true, Function.identity());
return new Object[] {new BinaryWritableHandle(writer.get(), writer)};
}
default:
throw new LuaException("Unsupported mode");
}
} catch (FileSystemException e) {
return new Object[] {
null,
e.getMessage()
};
}
}
case 12: {
// getDrive
String path = getString(args, 0);
try {
if (!this.m_fileSystem.exists(path)) {
return null;
}
return new Object[] {this.m_fileSystem.getMountLabel(path)};
} catch (FileSystemException e) {
throw new LuaException(e.getMessage());
}
}
case 13: {
// getFreeSpace
String path = getString(args, 0);
try {
long freeSpace = this.m_fileSystem.getFreeSpace(path);
if (freeSpace >= 0) {
return new Object[] {freeSpace};
}
return new Object[] {"unlimited"};
} catch (FileSystemException e) {
throw new LuaException(e.getMessage());
}
}
case 14: {
// find
String path = getString(args, 0);
try {
this.m_env.addTrackingChange(TrackingField.FS_OPS);
String[] results = this.m_fileSystem.find(path);
Map<Object, Object> table = new HashMap<>();
for (int i = 0; i < results.length; i++) {
table.put(i + 1, results[i]);
}
return new Object[] {table};
} catch (FileSystemException e) {
throw new LuaException(e.getMessage());
}
}
case 15: {
// getDir
String path = getString(args, 0);
return new Object[] {FileSystem.getDirectory(path)};
}
default:
assert false;
return null;
}
}
}

214
src/main/java/dan200/computercraft/core/apis/HTTPAPI.java
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@@ -1,214 +0,0 @@
/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.core.apis;
import static dan200.computercraft.core.apis.ArgumentHelper.getString;
import static dan200.computercraft.core.apis.ArgumentHelper.optBoolean;
import static dan200.computercraft.core.apis.ArgumentHelper.optString;
import static dan200.computercraft.core.apis.ArgumentHelper.optTable;
import static dan200.computercraft.core.apis.TableHelper.getStringField;
import static dan200.computercraft.core.apis.TableHelper.optBooleanField;
import static dan200.computercraft.core.apis.TableHelper.optStringField;
import static dan200.computercraft.core.apis.TableHelper.optTableField;
import java.net.URI;
import java.util.Collections;
import java.util.Locale;
import java.util.Map;
import javax.annotation.Nonnull;
import dan200.computercraft.ComputerCraft;
import dan200.computercraft.api.lua.ILuaAPI;
import dan200.computercraft.api.lua.ILuaContext;
import dan200.computercraft.api.lua.LuaException;
import dan200.computercraft.core.apis.http.CheckUrl;
import dan200.computercraft.core.apis.http.HTTPRequestException;
import dan200.computercraft.core.apis.http.Resource;
import dan200.computercraft.core.apis.http.ResourceGroup;
import dan200.computercraft.core.apis.http.ResourceQueue;
import dan200.computercraft.core.apis.http.request.HttpRequest;
import dan200.computercraft.core.apis.http.websocket.Websocket;
import io.netty.handler.codec.http.DefaultHttpHeaders;
import io.netty.handler.codec.http.HttpHeaders;
import io.netty.handler.codec.http.HttpMethod;
public class HTTPAPI implements ILuaAPI {
private final IAPIEnvironment m_apiEnvironment;
private final ResourceGroup<CheckUrl> checkUrls = new ResourceGroup<>();
private final ResourceGroup<HttpRequest> requests = new ResourceQueue<>(() -> ComputerCraft.httpMaxRequests);
private final ResourceGroup<Websocket> websockets = new ResourceGroup<>(() -> ComputerCraft.httpMaxWebsockets);
public HTTPAPI(IAPIEnvironment environment) {
this.m_apiEnvironment = environment;
}
@Override
public String[] getNames() {
return new String[] {
"http"
};
}
@Override
public void startup() {
this.checkUrls.startup();
this.requests.startup();
this.websockets.startup();
}
@Override
public void update() {
// It's rather ugly to run this here, but we need to clean up
// resources as often as possible to reduce blocking.
Resource.cleanup();
}
@Override
public void shutdown() {
this.checkUrls.shutdown();
this.requests.shutdown();
this.websockets.shutdown();
}
@Nonnull
@Override
public String[] getMethodNames() {
return new String[] {
"request",
"checkURL",
"websocket",
};
}
@Override
public Object[] callMethod(@Nonnull ILuaContext context, int method, @Nonnull Object[] args) throws LuaException {
switch (method) {
case 0: // request
{
String address, postString, requestMethod;
Map<Object, Object> headerTable;
boolean binary, redirect;
if (args.length >= 1 && args[0] instanceof Map) {
Map<?, ?> options = (Map) args[0];
address = getStringField(options, "url");
postString = optStringField(options, "body", null);
headerTable = optTableField(options, "headers", Collections.emptyMap());
binary = optBooleanField(options, "binary", false);
requestMethod = optStringField(options, "method", null);
redirect = optBooleanField(options, "redirect", true);
} else {
// Get URL and post information
address = getString(args, 0);
postString = optString(args, 1, null);
headerTable = optTable(args, 2, Collections.emptyMap());
binary = optBoolean(args, 3, false);
requestMethod = null;
redirect = true;
}
HttpHeaders headers = getHeaders(headerTable);
HttpMethod httpMethod;
if (requestMethod == null) {
httpMethod = postString == null ? HttpMethod.GET : HttpMethod.POST;
} else {
httpMethod = HttpMethod.valueOf(requestMethod.toUpperCase(Locale.ROOT));
if (httpMethod == null || requestMethod.equalsIgnoreCase("CONNECT")) {
throw new LuaException("Unsupported HTTP method");
}
}
try {
URI uri = HttpRequest.checkUri(address);
HttpRequest request = new HttpRequest(this.requests, this.m_apiEnvironment, address, postString, headers, binary, redirect);
long requestBody = request.body()
.readableBytes() + HttpRequest.getHeaderSize(headers);
if (ComputerCraft.httpMaxUpload != 0 && requestBody > ComputerCraft.httpMaxUpload) {
throw new HTTPRequestException("Request body is too large");
}
// Make the request
request.queue(r -> r.request(uri, httpMethod));
return new Object[] {true};
} catch (HTTPRequestException e) {
return new Object[] {
false,
e.getMessage()
};
}
}
case 1: // checkURL
{
String address = getString(args, 0);
// Check URL
try {
URI uri = HttpRequest.checkUri(address);
new CheckUrl(this.checkUrls, this.m_apiEnvironment, address, uri).queue(CheckUrl::run);
return new Object[] {true};
} catch (HTTPRequestException e) {
return new Object[] {
false,
e.getMessage()
};
}
}
case 2: // websocket
{
String address = getString(args, 0);
Map<Object, Object> headerTbl = optTable(args, 1, Collections.emptyMap());
if (!ComputerCraft.http_websocket_enable) {
throw new LuaException("Websocket connections are disabled");
}
HttpHeaders headers = getHeaders(headerTbl);
try {
URI uri = Websocket.checkUri(address);
if (!new Websocket(this.websockets, this.m_apiEnvironment, uri, address, headers).queue(Websocket::connect)) {
throw new LuaException("Too many websockets already open");
}
return new Object[] {true};
} catch (HTTPRequestException e) {
return new Object[] {
false,
e.getMessage()
};
}
}
default:
return null;
}
}
@Nonnull
private static HttpHeaders getHeaders(@Nonnull Map<?, ?> headerTable) throws LuaException {
HttpHeaders headers = new DefaultHttpHeaders();
for (Map.Entry<?, ?> entry : headerTable.entrySet()) {
Object value = entry.getValue();
if (entry.getKey() instanceof String && value instanceof String) {
try {
headers.add((String) entry.getKey(), value);
} catch (IllegalArgumentException e) {
throw new LuaException(e.getMessage());
}
}
}
return headers;
}
}

71
src/main/java/dan200/computercraft/core/apis/IAPIEnvironment.java
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@@ -1,71 +0,0 @@
/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.core.apis;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import dan200.computercraft.api.peripheral.IPeripheral;
import dan200.computercraft.api.peripheral.IWorkMonitor;
import dan200.computercraft.core.computer.ComputerSide;
import dan200.computercraft.core.computer.IComputerEnvironment;
import dan200.computercraft.core.filesystem.FileSystem;
import dan200.computercraft.core.terminal.Terminal;
import dan200.computercraft.core.tracking.TrackingField;
public interface IAPIEnvironment {
int getComputerID();
@Nonnull
IComputerEnvironment getComputerEnvironment();
@Nonnull
IWorkMonitor getMainThreadMonitor();
@Nonnull
Terminal getTerminal();
FileSystem getFileSystem();
void shutdown();
void reboot();
void queueEvent(String event, Object[] args);
void setOutput(ComputerSide side, int output);
int getOutput(ComputerSide side);
int getInput(ComputerSide side);
void setBundledOutput(ComputerSide side, int output);
int getBundledOutput(ComputerSide side);
int getBundledInput(ComputerSide side);
void setPeripheralChangeListener(@Nullable IPeripheralChangeListener listener);
@Nullable
IPeripheral getPeripheral(ComputerSide side);
String getLabel();
void setLabel(@Nullable String label);
default void addTrackingChange(@Nonnull TrackingField field) {
this.addTrackingChange(field, 1);
}
void addTrackingChange(@Nonnull TrackingField field, long change);
@FunctionalInterface
interface IPeripheralChangeListener {
void onPeripheralChanged(ComputerSide side, @Nullable IPeripheral newPeripheral);
}
}

22
src/main/java/dan200/computercraft/core/apis/ILuaAPI.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.core.apis;
/**
* This exists purely to ensure binary compatibility.
*
* @see dan200.computercraft.api.lua.ILuaAPI
*/
@Deprecated
public interface ILuaAPI extends dan200.computercraft.api.lua.ILuaAPI {
@Override
default void update() {
this.advance(0.05);
}
void advance(double v);
}

282
src/main/java/dan200/computercraft/core/apis/LuaDateTime.java
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@@ -1,282 +0,0 @@
/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.core.apis;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZoneOffset;
import java.time.format.DateTimeFormatterBuilder;
import java.time.format.TextStyle;
import java.time.temporal.ChronoField;
import java.time.temporal.IsoFields;
import java.time.temporal.Temporal;
import java.time.temporal.TemporalAccessor;
import java.time.temporal.TemporalField;
import java.time.temporal.TemporalUnit;
import java.time.temporal.ValueRange;
import java.time.temporal.WeekFields;
import java.util.HashMap;
import java.util.Map;
import java.util.function.LongUnaryOperator;
import dan200.computercraft.api.lua.LuaException;
final class LuaDateTime {
private static final TemporalField CENTURY = map(ChronoField.YEAR, ValueRange.of(0, 6), x -> (x / 100) % 100);
private static final TemporalField ZERO_WEEK = map(WeekFields.SUNDAY_START.dayOfWeek(), ValueRange.of(0, 6), x -> x - 1);
private LuaDateTime() {
}
static void format(DateTimeFormatterBuilder formatter, String format, ZoneOffset offset) throws LuaException {
for (int i = 0; i < format.length(); ) {
char c;
switch (c = format.charAt(i++)) {
case '\n':
formatter.appendLiteral('\n');
break;
default:
formatter.appendLiteral(c);
break;
case '%':
if (i >= format.length()) {
break;
}
switch (c = format.charAt(i++)) {
default:
throw new LuaException("bad argument #1: invalid conversion specifier '%" + c + "'");
case '%':
formatter.appendLiteral('%');
break;
case 'a':
formatter.appendText(ChronoField.DAY_OF_WEEK, TextStyle.SHORT);
break;
case 'A':
formatter.appendText(ChronoField.DAY_OF_WEEK, TextStyle.FULL);
break;
case 'b':
case 'h':
formatter.appendText(ChronoField.MONTH_OF_YEAR, TextStyle.SHORT);
break;
case 'B':
formatter.appendText(ChronoField.MONTH_OF_YEAR, TextStyle.FULL);
break;
case 'c':
format(formatter, "%a %b %e %H:%M:%S %Y", offset);
break;
case 'C':
formatter.appendValueReduced(CENTURY, 2, 2, 0);
break;
case 'd':
formatter.appendValue(ChronoField.DAY_OF_MONTH, 2);
break;
case 'D':
case 'x':
format(formatter, "%m/%d/%y", offset);
break;
case 'e':
formatter.padNext(2)
.appendValue(ChronoField.DAY_OF_MONTH);
break;
case 'F':
format(formatter, "%Y-%m-%d", offset);
break;
case 'g':
formatter.appendValueReduced(IsoFields.WEEK_BASED_YEAR, 2, 2, 0);
break;
case 'G':
formatter.appendValue(IsoFields.WEEK_BASED_YEAR);
break;
case 'H':
formatter.appendValue(ChronoField.HOUR_OF_DAY, 2);
break;
case 'I':
formatter.appendValue(ChronoField.HOUR_OF_AMPM);
break;
case 'j':
formatter.appendValue(ChronoField.DAY_OF_YEAR, 3);
break;
case 'm':
formatter.appendValue(ChronoField.MONTH_OF_YEAR, 2);
break;
case 'M':
formatter.appendValue(ChronoField.MINUTE_OF_HOUR, 2);
break;
case 'n':
formatter.appendLiteral('\n');
break;
case 'p':
formatter.appendText(ChronoField.AMPM_OF_DAY);
break;
case 'r':
format(formatter, "%I:%M:%S %p", offset);
break;
case 'R':
format(formatter, "%H:%M", offset);
break;
case 'S':
formatter.appendValue(ChronoField.SECOND_OF_MINUTE, 2);
break;
case 't':
formatter.appendLiteral('\t');
break;
case 'T':
case 'X':
format(formatter, "%H:%M:%S", offset);
break;
case 'u':
formatter.appendValue(ChronoField.DAY_OF_WEEK);
break;
case 'U':
formatter.appendValue(ChronoField.ALIGNED_WEEK_OF_YEAR, 2);
break;
case 'V':
formatter.appendValue(IsoFields.WEEK_OF_WEEK_BASED_YEAR, 2);
break;
case 'w':
formatter.appendValue(ZERO_WEEK);
break;
case 'W':
formatter.appendValue(WeekFields.ISO.weekOfYear(), 2);
break;
case 'y':
formatter.appendValueReduced(ChronoField.YEAR, 2, 2, 0);
break;
case 'Y':
formatter.appendValue(ChronoField.YEAR);
break;
case 'z':
formatter.appendOffset("+HHMM", "+0000");
break;
case 'Z':
formatter.appendChronologyId();
break;
}
}
}
}
static long fromTable(Map<?, ?> table) throws LuaException {
int year = getField(table, "year", -1);
int month = getField(table, "month", -1);
int day = getField(table, "day", -1);
int hour = getField(table, "hour", 12);
int minute = getField(table, "min", 12);
int second = getField(table, "sec", 12);
LocalDateTime time = LocalDateTime.of(year, month, day, hour, minute, second);
Boolean isDst = getBoolField(table, "isdst");
if (isDst != null) {
boolean requireDst = isDst;
for (ZoneOffset possibleOffset : ZoneOffset.systemDefault()
.getRules()
.getValidOffsets(time)) {
Instant instant = time.toInstant(possibleOffset);
if (possibleOffset.getRules()
.getDaylightSavings(instant)
.isZero() == requireDst) {
return instant.getEpochSecond();
}
}
}
ZoneOffset offset = ZoneOffset.systemDefault()
.getRules()
.getOffset(time);
return time.toInstant(offset)
.getEpochSecond();
}
private static int getField(Map<?, ?> table, String field, int def) throws LuaException {
Object value = table.get(field);
if (value instanceof Number) {
return ((Number) value).intValue();
}
if (def < 0) {
throw new LuaException("field \"" + field + "\" missing in date table");
}
return def;
}
private static Boolean getBoolField(Map<?, ?> table, String field) throws LuaException {
Object value = table.get(field);
if (value instanceof Boolean || value == null) {
return (Boolean) value;
}
throw new LuaException("field \"" + field + "\" missing in date table");
}
static Map<String, ?> toTable(TemporalAccessor date, ZoneId offset, Instant instant) {
HashMap<String, Object> table = new HashMap<>(9);
table.put("year", date.getLong(ChronoField.YEAR));
table.put("month", date.getLong(ChronoField.MONTH_OF_YEAR));
table.put("day", date.getLong(ChronoField.DAY_OF_MONTH));
table.put("hour", date.getLong(ChronoField.HOUR_OF_DAY));
table.put("min", date.getLong(ChronoField.MINUTE_OF_HOUR));
table.put("sec", date.getLong(ChronoField.SECOND_OF_MINUTE));
table.put("wday", date.getLong(WeekFields.SUNDAY_START.dayOfWeek()));
table.put("yday", date.getLong(ChronoField.DAY_OF_YEAR));
table.put("isdst",
offset.getRules()
.isDaylightSavings(instant));
return table;
}
private static TemporalField map(TemporalField field, ValueRange range, LongUnaryOperator convert) {
return new TemporalField() {
private final ValueRange range = ValueRange.of(0, 99);
@Override
public TemporalUnit getBaseUnit() {
return field.getBaseUnit();
}
@Override
public TemporalUnit getRangeUnit() {
return field.getRangeUnit();
}
@Override
public ValueRange range() {
return this.range;
}
@Override
public boolean isDateBased() {
return field.isDateBased();
}
@Override
public boolean isTimeBased() {
return field.isTimeBased();
}
@Override
public boolean isSupportedBy(TemporalAccessor temporal) {
return field.isSupportedBy(temporal);
}
@Override
public ValueRange rangeRefinedBy(TemporalAccessor temporal) {
return this.range;
}
@Override
public long getFrom(TemporalAccessor temporal) {
return convert.applyAsLong(temporal.getLong(field));
}
@Override
@SuppressWarnings ("unchecked")
public <R extends Temporal> R adjustInto(R temporal, long newValue) {
return (R) temporal.with(field, newValue);
}
};
}
}

409
src/main/java/dan200/computercraft/core/apis/OSAPI.java
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@@ -1,409 +0,0 @@
/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.core.apis;
import static dan200.computercraft.core.apis.ArgumentHelper.getInt;
import static dan200.computercraft.core.apis.ArgumentHelper.getReal;
import static dan200.computercraft.core.apis.ArgumentHelper.getString;
import static dan200.computercraft.core.apis.ArgumentHelper.optLong;
import static dan200.computercraft.core.apis.ArgumentHelper.optString;
import java.time.Instant;
import java.time.ZoneId;
import java.time.ZoneOffset;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatterBuilder;
import java.util.Arrays;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Locale;
import java.util.Map;
import java.util.TimeZone;
import javax.annotation.Nonnull;
import dan200.computercraft.api.lua.ILuaAPI;
import dan200.computercraft.api.lua.ILuaContext;
import dan200.computercraft.api.lua.LuaException;
import dan200.computercraft.shared.util.StringUtil;
public class OSAPI implements ILuaAPI {
private final Map<Integer, Timer> m_timers;
private final Map<Integer, Alarm> m_alarms;
private IAPIEnvironment m_apiEnvironment;
private int m_clock;
private double m_time;
private int m_day;
private int m_nextTimerToken;
private int m_nextAlarmToken;
public OSAPI(IAPIEnvironment environment) {
this.m_apiEnvironment = environment;
this.m_nextTimerToken = 0;
this.m_nextAlarmToken = 0;
this.m_timers = new HashMap<>();
this.m_alarms = new HashMap<>();
}
@Override
public String[] getNames() {
return new String[] {
"os"
};
}
@Override
public void startup() {
this.m_time = this.m_apiEnvironment.getComputerEnvironment()
.getTimeOfDay();
this.m_day = this.m_apiEnvironment.getComputerEnvironment()
.getDay();
this.m_clock = 0;
synchronized (this.m_timers) {
this.m_timers.clear();
}
synchronized (this.m_alarms) {
this.m_alarms.clear();
}
}
// ILuaAPI implementation
@Override
public void update() {
synchronized (this.m_timers) {
// Update the clock
this.m_clock++;
// Countdown all of our active timers
Iterator<Map.Entry<Integer, Timer>> it = this.m_timers.entrySet()
.iterator();
while (it.hasNext()) {
Map.Entry<Integer, Timer> entry = it.next();
Timer timer = entry.getValue();
timer.m_ticksLeft--;
if (timer.m_ticksLeft <= 0) {
// Queue the "timer" event
this.queueLuaEvent("timer", new Object[] {entry.getKey()});
it.remove();
}
}
}
// Wait for all of our alarms
synchronized (this.m_alarms) {
double previousTime = this.m_time;
int previousDay = this.m_day;
double time = this.m_apiEnvironment.getComputerEnvironment()
.getTimeOfDay();
int day = this.m_apiEnvironment.getComputerEnvironment()
.getDay();
if (time > previousTime || day > previousDay) {
double now = this.m_day * 24.0 + this.m_time;
Iterator<Map.Entry<Integer, Alarm>> it = this.m_alarms.entrySet()
.iterator();
while (it.hasNext()) {
Map.Entry<Integer, Alarm> entry = it.next();
Alarm alarm = entry.getValue();
double t = alarm.m_day * 24.0 + alarm.m_time;
if (now >= t) {
this.queueLuaEvent("alarm", new Object[] {entry.getKey()});
it.remove();
}
}
}
this.m_time = time;
this.m_day = day;
}
}
@Override
public void shutdown() {
synchronized (this.m_timers) {
this.m_timers.clear();
}
synchronized (this.m_alarms) {
this.m_alarms.clear();
}
}
private void queueLuaEvent(String event, Object[] args) {
this.m_apiEnvironment.queueEvent(event, args);
}
@Nonnull
@Override
public String[] getMethodNames() {
return new String[] {
"queueEvent",
"startTimer",
"setAlarm",
"shutdown",
"reboot",
"computerID",
"getComputerID",
"setComputerLabel",
"computerLabel",
"getComputerLabel",
"clock",
"time",
"day",
"cancelTimer",
"cancelAlarm",
"epoch",
"date",
};
}
@Override
public Object[] callMethod(@Nonnull ILuaContext context, int method, @Nonnull Object[] args) throws LuaException {
switch (method) {
case 0: // queueEvent
this.queueLuaEvent(getString(args, 0), this.trimArray(args, 1));
return null;
case 1: {
// startTimer
double timer = getReal(args, 0);
synchronized (this.m_timers) {
this.m_timers.put(this.m_nextTimerToken, new Timer((int) Math.round(timer / 0.05)));
return new Object[] {this.m_nextTimerToken++};
}
}
case 2: {
// setAlarm
double time = getReal(args, 0);
if (time < 0.0 || time >= 24.0) {
throw new LuaException("Number out of range");
}
synchronized (this.m_alarms) {
int day = time > this.m_time ? this.m_day : this.m_day + 1;
this.m_alarms.put(this.m_nextAlarmToken, new Alarm(time, day));
return new Object[] {this.m_nextAlarmToken++};
}
}
case 3: // shutdown
this.m_apiEnvironment.shutdown();
return null;
case 4: // reboot
this.m_apiEnvironment.reboot();
return null;
case 5:
case 6: // computerID/getComputerID
return new Object[] {this.getComputerID()};
case 7: {
// setComputerLabel
String label = optString(args, 0, null);
this.m_apiEnvironment.setLabel(StringUtil.normaliseLabel(label));
return null;
}
case 8:
case 9: {
// computerLabel/getComputerLabel
String label = this.m_apiEnvironment.getLabel();
if (label != null) {
return new Object[] {label};
}
return null;
}
case 10: // clock
synchronized (this.m_timers) {
return new Object[] {this.m_clock * 0.05};
}
case 11: {
// time
Object value = args.length > 0 ? args[0] : null;
if (value instanceof Map) {
return new Object[] {LuaDateTime.fromTable((Map<?, ?>) value)};
}
String param = optString(args, 0, "ingame");
switch (param.toLowerCase(Locale.ROOT)) {
case "utc": {
// Get Hour of day (UTC)
Calendar c = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
return new Object[] {getTimeForCalendar(c)};
}
case "local": {
// Get Hour of day (local time)
Calendar c = Calendar.getInstance();
return new Object[] {getTimeForCalendar(c)};
}
case "ingame":
// Get ingame hour
synchronized (this.m_alarms) {
return new Object[] {this.m_time};
}
default:
throw new LuaException("Unsupported operation");
}
}
case 12: {
// day
String param = optString(args, 0, "ingame");
switch (param.toLowerCase(Locale.ROOT)) {
case "utc": {
// Get numbers of days since 1970-01-01 (utc)
Calendar c = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
return new Object[] {getDayForCalendar(c)};
}
case "local": {
// Get numbers of days since 1970-01-01 (local time)
Calendar c = Calendar.getInstance();
return new Object[] {getDayForCalendar(c)};
}
case "ingame":
// Get game day
synchronized (this.m_alarms) {
return new Object[] {this.m_day};
}
default:
throw new LuaException("Unsupported operation");
}
}
case 13: {
// cancelTimer
int token = getInt(args, 0);
synchronized (this.m_timers) {
this.m_timers.remove(token);
}
return null;
}
case 14: {
// cancelAlarm
int token = getInt(args, 0);
synchronized (this.m_alarms) {
this.m_alarms.remove(token);
}
return null;
}
case 15: // epoch
{
String param = optString(args, 0, "ingame");
switch (param.toLowerCase(Locale.ROOT)) {
case "utc": {
// Get utc epoch
Calendar c = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
return new Object[] {getEpochForCalendar(c)};
}
case "local": {
// Get local epoch
Calendar c = Calendar.getInstance();
return new Object[] {getEpochForCalendar(c)};
}
case "ingame":
// Get in-game epoch
synchronized (this.m_alarms) {
return new Object[] {
this.m_day * 86400000 + (int) (this.m_time * 3600000.0f)
};
}
default:
throw new LuaException("Unsupported operation");
}
}
case 16: // date
{
String format = optString(args, 0, "%c");
long time = optLong(args,
1,
Instant.now()
.getEpochSecond());
Instant instant = Instant.ofEpochSecond(time);
ZonedDateTime date;
ZoneOffset offset;
boolean isDst;
if (format.startsWith("!")) {
offset = ZoneOffset.UTC;
date = ZonedDateTime.ofInstant(instant, offset);
format = format.substring(1);
} else {
ZoneId id = ZoneId.systemDefault();
offset = id.getRules()
.getOffset(instant);
date = ZonedDateTime.ofInstant(instant, id);
}
if (format.equals("*t")) {
return new Object[] {LuaDateTime.toTable(date, offset, instant)};
}
DateTimeFormatterBuilder formatter = new DateTimeFormatterBuilder();
LuaDateTime.format(formatter, format, offset);
return new Object[] {formatter.toFormatter(Locale.ROOT).format(date)};
}
default:
return null;
}
}
private Object[] trimArray(Object[] array, int skip) {
return Arrays.copyOfRange(array, skip, array.length);
}
private int getComputerID() {
return this.m_apiEnvironment.getComputerID();
}
private static float getTimeForCalendar(Calendar c) {
float time = c.get(Calendar.HOUR_OF_DAY);
time += c.get(Calendar.MINUTE) / 60.0f;
time += c.get(Calendar.SECOND) / (60.0f * 60.0f);
return time;
}
private static int getDayForCalendar(Calendar c) {
GregorianCalendar g = c instanceof GregorianCalendar ? (GregorianCalendar) c : new GregorianCalendar();
int year = c.get(Calendar.YEAR);
int day = 0;
for (int y = 1970; y < year; y++) {
day += g.isLeapYear(y) ? 366 : 365;
}
day += c.get(Calendar.DAY_OF_YEAR);
return day;
}
// Private methods
private static long getEpochForCalendar(Calendar c) {
return c.getTime()
.getTime();
}
private static class Timer {
public int m_ticksLeft;
public Timer(int ticksLeft) {
this.m_ticksLeft = ticksLeft;
}
}
private static class Alarm implements Comparable<Alarm> {
public final double m_time;
public final int m_day;
public Alarm(double time, int day) {
this.m_time = time;
this.m_day = day;
}
@Override
public int compareTo(@Nonnull Alarm o) {
double t = this.m_day * 24.0 + this.m_time;
double ot = this.m_day * 24.0 + this.m_time;
return Double.compare(t, ot);
}
}
}

359
src/main/java/dan200/computercraft/core/apis/PeripheralAPI.java
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@@ -1,359 +0,0 @@
/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.core.apis;
import static dan200.computercraft.core.apis.ArgumentHelper.getString;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import dan200.computercraft.api.filesystem.IMount;
import dan200.computercraft.api.filesystem.IWritableMount;
import dan200.computercraft.api.lua.ILuaAPI;
import dan200.computercraft.api.lua.ILuaContext;
import dan200.computercraft.api.lua.LuaException;
import dan200.computercraft.api.peripheral.IPeripheral;
import dan200.computercraft.core.computer.ComputerSide;
import dan200.computercraft.core.tracking.TrackingField;
public class PeripheralAPI implements ILuaAPI, IAPIEnvironment.IPeripheralChangeListener {
private final IAPIEnvironment m_environment;
private final PeripheralWrapper[] m_peripherals;
private boolean m_running;
public PeripheralAPI(IAPIEnvironment environment) {
this.m_environment = environment;
this.m_environment.setPeripheralChangeListener(this);
this.m_peripherals = new PeripheralWrapper[6];
for (int i = 0; i < 6; i++) {
this.m_peripherals[i] = null;
}
this.m_running = false;
}
@Override
public void onPeripheralChanged(ComputerSide side, IPeripheral newPeripheral) {
synchronized (this.m_peripherals) {
int index = side.ordinal();
if (this.m_peripherals[index] != null) {
// Queue a detachment
final PeripheralWrapper wrapper = this.m_peripherals[index];
if (wrapper.isAttached()) {
wrapper.detach();
}
// Queue a detachment event
this.m_environment.queueEvent("peripheral_detach", new Object[] {side.getName()});
}
// Assign the new peripheral
this.m_peripherals[index] = newPeripheral == null ? null : new PeripheralWrapper(newPeripheral, side.getName());
if (this.m_peripherals[index] != null) {
// Queue an attachment
final PeripheralWrapper wrapper = this.m_peripherals[index];
if (this.m_running && !wrapper.isAttached()) {
wrapper.attach();
}
// Queue an attachment event
this.m_environment.queueEvent("peripheral", new Object[] {side.getName()});
}
}
}
// IPeripheralChangeListener
@Override
public String[] getNames() {
return new String[] {
"peripheral"
};
}
// ILuaAPI implementation
@Override
public void startup() {
synchronized (this.m_peripherals) {
this.m_running = true;
for (int i = 0; i < 6; i++) {
PeripheralWrapper wrapper = this.m_peripherals[i];
if (wrapper != null && !wrapper.isAttached()) {
wrapper.attach();
}
}
}
}
@Override
public void shutdown() {
synchronized (this.m_peripherals) {
this.m_running = false;
for (int i = 0; i < 6; i++) {
PeripheralWrapper wrapper = this.m_peripherals[i];
if (wrapper != null && wrapper.isAttached()) {
wrapper.detach();
}
}
}
}
@Nonnull
@Override
public String[] getMethodNames() {
return new String[] {
"isPresent",
"getType",
"getMethods",
"call"
};
}
@Override
public Object[] callMethod(@Nonnull ILuaContext context, int method, @Nonnull Object[] args) throws LuaException, InterruptedException {
switch (method) {
case 0: {
// isPresent
boolean present = false;
ComputerSide side = ComputerSide.valueOfInsensitive(getString(args, 0));
if (side != null) {
synchronized (this.m_peripherals) {
PeripheralWrapper p = this.m_peripherals[side.ordinal()];
if (p != null) {
present = true;
}
}
}
return new Object[] {present};
}
case 1: {
// getType
ComputerSide side = ComputerSide.valueOfInsensitive(getString(args, 0));
if (side != null) {
String type = null;
synchronized (this.m_peripherals) {
PeripheralWrapper p = this.m_peripherals[side.ordinal()];
if (p != null) {
return new Object[] {p.getType()};
}
}
}
return null;
}
case 2: {
// getMethods
String[] methods = null;
ComputerSide side = ComputerSide.valueOfInsensitive(getString(args, 0));
if (side != null) {
synchronized (this.m_peripherals) {
PeripheralWrapper p = this.m_peripherals[side.ordinal()];
if (p != null) {
methods = p.getMethods();
}
}
}
if (methods != null) {
Map<Object, Object> table = new HashMap<>();
for (int i = 0; i < methods.length; i++) {
table.put(i + 1, methods[i]);
}
return new Object[] {table};
}
return null;
}
case 3: {
// call
ComputerSide side = ComputerSide.valueOfInsensitive(getString(args, 0));
String methodName = getString(args, 1);
Object[] methodArgs = Arrays.copyOfRange(args, 2, args.length);
if (side != null) {
PeripheralWrapper p;
synchronized (this.m_peripherals) {
p = this.m_peripherals[side.ordinal()];
}
if (p != null) {
return p.call(context, methodName, methodArgs);
}
}
throw new LuaException("No peripheral attached");
}
default:
return null;
}
}
private class PeripheralWrapper extends ComputerAccess {
private final String m_side;
private final IPeripheral m_peripheral;
private String m_type;
private String[] m_methods;
private Map<String, Integer> m_methodMap;
private boolean m_attached;
public PeripheralWrapper(IPeripheral peripheral, String side) {
super(PeripheralAPI.this.m_environment);
this.m_side = side;
this.m_peripheral = peripheral;
this.m_attached = false;
this.m_type = peripheral.getType();
this.m_methods = peripheral.getMethodNames();
assert this.m_type != null;
assert this.m_methods != null;
this.m_methodMap = new HashMap<>();
for (int i = 0; i < this.m_methods.length; i++) {
if (this.m_methods[i] != null) {
this.m_methodMap.put(this.m_methods[i], i);
}
}
}
public String getType() {
return this.m_type;
} public IPeripheral getPeripheral() {
return this.m_peripheral;
}
public String[] getMethods() {
return this.m_methods;
}
public synchronized void attach() {
this.m_attached = true;
this.m_peripheral.attach(this);
}
public void detach() {
// Call detach
this.m_peripheral.detach(this);
synchronized (this) {
// Unmount everything the detach function forgot to do
this.unmountAll();
}
this.m_attached = false;
} public synchronized boolean isAttached() {
return this.m_attached;
}
public Object[] call(ILuaContext context, String methodName, Object[] arguments) throws LuaException, InterruptedException {
int method = -1;
synchronized (this) {
if (this.m_methodMap.containsKey(methodName)) {
method = this.m_methodMap.get(methodName);
}
}
if (method >= 0) {
PeripheralAPI.this.m_environment.addTrackingChange(TrackingField.PERIPHERAL_OPS);
return this.m_peripheral.callMethod(this, context, method, arguments);
} else {
throw new LuaException("No such method " + methodName);
}
}
// IComputerAccess implementation
@Override
public synchronized String mount(@Nonnull String desiredLoc, @Nonnull IMount mount, @Nonnull String driveName) {
if (!this.m_attached) {
throw new RuntimeException("You are not attached to this Computer");
}
return super.mount(desiredLoc, mount, driveName);
}
@Override
public synchronized String mountWritable(@Nonnull String desiredLoc, @Nonnull IWritableMount mount, @Nonnull String driveName) {
if (!this.m_attached) {
throw new RuntimeException("You are not attached to this Computer");
}
return super.mountWritable(desiredLoc, mount, driveName);
}
@Override
public synchronized void unmount(String location) {
if (!this.m_attached) {
throw new RuntimeException("You are not attached to this Computer");
}
super.unmount(location);
}
@Override
public int getID() {
if (!this.m_attached) {
throw new RuntimeException("You are not attached to this Computer");
}
return super.getID();
}
@Override
public void queueEvent(@Nonnull final String event, final Object[] arguments) {
if (!this.m_attached) {
throw new RuntimeException("You are not attached to this Computer");
}
super.queueEvent(event, arguments);
}
@Nonnull
@Override
public String getAttachmentName() {
if (!this.m_attached) {
throw new RuntimeException("You are not attached to this Computer");
}
return this.m_side;
}
@Nonnull
@Override
public Map<String, IPeripheral> getAvailablePeripherals() {
if (!this.m_attached) {
throw new RuntimeException("You are not attached to this Computer");
}
Map<String, IPeripheral> peripherals = new HashMap<>();
for (PeripheralWrapper wrapper : PeripheralAPI.this.m_peripherals) {
if (wrapper != null && wrapper.isAttached()) {
peripherals.put(wrapper.getAttachmentName(), wrapper.getPeripheral());
}
}
return Collections.unmodifiableMap(peripherals);
}
@Nullable
@Override
public IPeripheral getAvailablePeripheral(@Nonnull String name) {
if (!this.m_attached) {
throw new RuntimeException("You are not attached to this Computer");
}
for (PeripheralWrapper wrapper : PeripheralAPI.this.m_peripherals) {
if (wrapper != null && wrapper.isAttached() && wrapper.getAttachmentName()
.equals(name)) {
return wrapper.getPeripheral();
}
}
return null;
}
}
}

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src/main/java/dan200/computercraft/core/apis/RedstoneAPI.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.core.apis;
import static dan200.computercraft.core.apis.ArgumentHelper.getBoolean;
import static dan200.computercraft.core.apis.ArgumentHelper.getInt;
import static dan200.computercraft.core.apis.ArgumentHelper.getString;
import java.util.HashMap;
import java.util.Map;
import javax.annotation.Nonnull;
import dan200.computercraft.api.lua.ILuaAPI;
import dan200.computercraft.api.lua.ILuaContext;
import dan200.computercraft.api.lua.LuaException;
import dan200.computercraft.core.computer.ComputerSide;
public class RedstoneAPI implements ILuaAPI {
private IAPIEnvironment m_environment;
public RedstoneAPI(IAPIEnvironment environment) {
this.m_environment = environment;
}
@Override
public String[] getNames() {
return new String[] {
"rs",
"redstone"
};
}
@Nonnull
@Override
public String[] getMethodNames() {
return new String[] {
"getSides",
"setOutput",
"getOutput",
"getInput",
"setBundledOutput",
"getBundledOutput",
"getBundledInput",
"testBundledInput",
"setAnalogOutput",
"setAnalogueOutput",
"getAnalogOutput",
"getAnalogueOutput",
"getAnalogInput",
"getAnalogueInput",
};
}
@Override
public Object[] callMethod(@Nonnull ILuaContext context, int method, @Nonnull Object[] args) throws LuaException {
switch (method) {
case 0: {
// getSides
Map<Object, Object> table = new HashMap<>();
for (int i = 0; i < ComputerSide.NAMES.length; i++) {
table.put(i + 1, ComputerSide.NAMES[i]);
}
return new Object[] {table};
}
case 1: {
// setOutput
ComputerSide side = parseSide(args);
boolean output = getBoolean(args, 1);
this.m_environment.setOutput(side, output ? 15 : 0);
return null;
}
case 2: // getOutput
return new Object[] {this.m_environment.getOutput(parseSide(args)) > 0};
case 3: // getInput
return new Object[] {this.m_environment.getInput(parseSide(args)) > 0};
case 4: {
// setBundledOutput
ComputerSide side = parseSide(args);
int output = getInt(args, 1);
this.m_environment.setBundledOutput(side, output);
return null;
}
case 5: // getBundledOutput
return new Object[] {this.m_environment.getBundledOutput(parseSide(args))};
case 6: // getBundledInput
return new Object[] {this.m_environment.getBundledInput(parseSide(args))};
case 7: {
// testBundledInput
ComputerSide side = parseSide(args);
int mask = getInt(args, 1);
int input = this.m_environment.getBundledInput(side);
return new Object[] {(input & mask) == mask};
}
case 8:
case 9: {
// setAnalogOutput/setAnalogueOutput
ComputerSide side = parseSide(args);
int output = getInt(args, 1);
if (output < 0 || output > 15) {
throw new LuaException("Expected number in range 0-15");
}
this.m_environment.setOutput(side, output);
return null;
}
case 10:
case 11: // getAnalogOutput/getAnalogueOutput
return new Object[] {this.m_environment.getOutput(parseSide(args))};
case 12:
case 13: // getAnalogInput/getAnalogueInput
return new Object[] {this.m_environment.getInput(parseSide(args))};
default:
return null;
}
}
private static ComputerSide parseSide(Object[] args) throws LuaException {
ComputerSide side = ComputerSide.valueOfInsensitive(getString(args, 0));
if (side == null) {
throw new LuaException("Invalid side.");
}
return side;
}
}

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src/main/java/dan200/computercraft/core/apis/TableHelper.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.core.apis;
import java.util.Map;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import dan200.computercraft.api.lua.LuaException;
/**
* Various helpers for tables
*/
public final class TableHelper {
private TableHelper() {
throw new IllegalStateException("Cannot instantiate singleton " + this.getClass().getName());
}
public static int getIntField(@Nonnull Map<?, ?> table, @Nonnull String key) throws LuaException {
Object value = table.get(key);
if (value instanceof Number) {
return (int) ((Number) value).longValue();
} else {
throw badKey(key, "number", value);
}
}
@Nonnull
public static LuaException badKey(@Nonnull String key, @Nonnull String expected, @Nullable Object actual) {
return badKey(key, expected, ArgumentHelper.getType(actual));
}
@Nonnull
public static LuaException badKey(@Nonnull String key, @Nonnull String expected, @Nonnull String actual) {
return new LuaException("bad field '" + key + "' (" + expected + " expected, got " + actual + ")");
}
public static double getRealField(@Nonnull Map<?, ?> table, @Nonnull String key) throws LuaException {
return checkReal(key, getNumberField(table, key));
}
private static double checkReal(@Nonnull String key, double value) throws LuaException {
if (Double.isNaN(value)) {
throw badKey(key, "number", "nan");
} else if (value == Double.POSITIVE_INFINITY) {
throw badKey(key, "number", "inf");
} else if (value == Double.NEGATIVE_INFINITY) {
throw badKey(key, "number", "-inf");
} else {
return value;
}
}
public static double getNumberField(@Nonnull Map<?, ?> table, @Nonnull String key) throws LuaException {
Object value = table.get(key);
if (value instanceof Number) {
return ((Number) value).doubleValue();
} else {
throw badKey(key, "number", value);
}
}
public static boolean getBooleanField(@Nonnull Map<?, ?> table, @Nonnull String key) throws LuaException {
Object value = table.get(key);
if (value instanceof Boolean) {
return (Boolean) value;
} else {
throw badKey(key, "boolean", value);
}
}
@Nonnull
public static String getStringField(@Nonnull Map<?, ?> table, @Nonnull String key) throws LuaException {
Object value = table.get(key);
if (value instanceof String) {
return (String) value;
} else {
throw badKey(key, "string", value);
}
}
@SuppressWarnings ("unchecked")
@Nonnull
public static Map<Object, Object> getTableField(@Nonnull Map<?, ?> table, @Nonnull String key) throws LuaException {
Object value = table.get(key);
if (value instanceof Map) {
return (Map<Object, Object>) value;
} else {
throw badKey(key, "table", value);
}
}
public static int optIntField(@Nonnull Map<?, ?> table, @Nonnull String key, int def) throws LuaException {
Object value = table.get(key);
if (value == null) {
return def;
} else if (value instanceof Number) {
return (int) ((Number) value).longValue();
} else {
throw badKey(key, "number", value);
}
}
public static double optRealField(@Nonnull Map<?, ?> table, @Nonnull String key, double def) throws LuaException {
return checkReal(key, optNumberField(table, key, def));
}
public static double optNumberField(@Nonnull Map<?, ?> table, @Nonnull String key, double def) throws LuaException {
Object value = table.get(key);
if (value == null) {
return def;
} else if (value instanceof Number) {
return ((Number) value).doubleValue();
} else {
throw badKey(key, "number", value);
}
}
public static boolean optBooleanField(@Nonnull Map<?, ?> table, @Nonnull String key, boolean def) throws LuaException {
Object value = table.get(key);
if (value == null) {
return def;
} else if (value instanceof Boolean) {
return (Boolean) value;
} else {
throw badKey(key, "boolean", value);
}
}
public static String optStringField(@Nonnull Map<?, ?> table, @Nonnull String key, String def) throws LuaException {
Object value = table.get(key);
if (value == null) {
return def;
} else if (value instanceof String) {
return (String) value;
} else {
throw badKey(key, "string", value);
}
}
@SuppressWarnings ("unchecked")
public static Map<Object, Object> optTableField(@Nonnull Map<?, ?> table, @Nonnull String key, Map<Object, Object> def) throws LuaException {
Object value = table.get(key);
if (value == null) {
return def;
} else if (value instanceof Map) {
return (Map<Object, Object>) value;
} else {
throw badKey(key, "table", value);
}
}
}

271
src/main/java/dan200/computercraft/core/apis/TermAPI.java
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/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.core.apis;
import static dan200.computercraft.core.apis.ArgumentHelper.getBoolean;
import static dan200.computercraft.core.apis.ArgumentHelper.getInt;
import static dan200.computercraft.core.apis.ArgumentHelper.getReal;
import static dan200.computercraft.core.apis.ArgumentHelper.getString;
import javax.annotation.Nonnull;
import dan200.computercraft.api.lua.ILuaAPI;
import dan200.computercraft.api.lua.ILuaContext;
import dan200.computercraft.api.lua.LuaException;
import dan200.computercraft.core.computer.IComputerEnvironment;
import dan200.computercraft.core.terminal.Terminal;
import dan200.computercraft.shared.util.Colour;
import dan200.computercraft.shared.util.Palette;
import org.apache.commons.lang3.ArrayUtils;
public class TermAPI implements ILuaAPI {
private final Terminal m_terminal;
private final IComputerEnvironment m_environment;
public TermAPI(IAPIEnvironment environment) {
this.m_terminal = environment.getTerminal();
this.m_environment = environment.getComputerEnvironment();
}
@Override
public String[] getNames() {
return new String[] {
"term"
};
}
@Nonnull
@Override
public String[] getMethodNames() {
return new String[] {
"write",
"scroll",
"setCursorPos",
"setCursorBlink",
"getCursorPos",
"getSize",
"clear",
"clearLine",
"setTextColour",
"setTextColor",
"setBackgroundColour",
"setBackgroundColor",
"isColour",
"isColor",
"getTextColour",
"getTextColor",
"getBackgroundColour",
"getBackgroundColor",
"blit",
"setPaletteColour",
"setPaletteColor",
"getPaletteColour",
"getPaletteColor",
"nativePaletteColour",
"nativePaletteColor",
"getCursorBlink",
};
}
@Override
public Object[] callMethod(@Nonnull ILuaContext context, int method, @Nonnull Object[] args) throws LuaException {
switch (method) {
case 0: {
// write
String text = args.length > 0 && args[0] != null ? args[0].toString() : "";
synchronized (this.m_terminal) {
this.m_terminal.write(text);
this.m_terminal.setCursorPos(this.m_terminal.getCursorX() + text.length(), this.m_terminal.getCursorY());
}
return null;
}
case 1: {
// scroll
int y = getInt(args, 0);
synchronized (this.m_terminal) {
this.m_terminal.scroll(y);
}
return null;
}
case 2: {
// setCursorPos
int x = getInt(args, 0) - 1;
int y = getInt(args, 1) - 1;
synchronized (this.m_terminal) {
this.m_terminal.setCursorPos(x, y);
}
return null;
}
case 3: {
// setCursorBlink
boolean b = getBoolean(args, 0);
synchronized (this.m_terminal) {
this.m_terminal.setCursorBlink(b);
}
return null;
}
case 4: {
// getCursorPos
int x, y;
synchronized (this.m_terminal) {
x = this.m_terminal.getCursorX();
y = this.m_terminal.getCursorY();
}
return new Object[] {
x + 1,
y + 1
};
}
case 5: {
// getSize
int width, height;
synchronized (this.m_terminal) {
width = this.m_terminal.getWidth();
height = this.m_terminal.getHeight();
}
return new Object[] {
width,
height
};
}
case 6: // clear
synchronized (this.m_terminal) {
this.m_terminal.clear();
}
return null;
case 7: // clearLine
synchronized (this.m_terminal) {
this.m_terminal.clearLine();
}
return null;
case 8:
case 9: {
// setTextColour/setTextColor
int colour = parseColour(args);
synchronized (this.m_terminal) {
this.m_terminal.setTextColour(colour);
}
return null;
}
case 10:
case 11: {
// setBackgroundColour/setBackgroundColor
int colour = parseColour(args);
synchronized (this.m_terminal) {
this.m_terminal.setBackgroundColour(colour);
}
return null;
}
case 12:
case 13: // isColour/isColor
return new Object[] {this.m_environment.isColour()};
case 14:
case 15: // getTextColour/getTextColor
return encodeColour(this.m_terminal.getTextColour());
case 16:
case 17: // getBackgroundColour/getBackgroundColor
return encodeColour(this.m_terminal.getBackgroundColour());
case 18: {
// blit
String text = getString(args, 0);
String textColour = getString(args, 1);
String backgroundColour = getString(args, 2);
if (textColour.length() != text.length() || backgroundColour.length() != text.length()) {
throw new LuaException("Arguments must be the same length");
}
synchronized (this.m_terminal) {
this.m_terminal.blit(text, textColour, backgroundColour);
this.m_terminal.setCursorPos(this.m_terminal.getCursorX() + text.length(), this.m_terminal.getCursorY());
}
return null;
}
case 19:
case 20: {
// setPaletteColour/setPaletteColor
int colour = 15 - parseColour(args);
if (args.length == 2) {
int hex = getInt(args, 1);
double[] rgb = Palette.decodeRGB8(hex);
setColour(this.m_terminal, colour, rgb[0], rgb[1], rgb[2]);
} else {
double r = getReal(args, 1);
double g = getReal(args, 2);
double b = getReal(args, 3);
setColour(this.m_terminal, colour, r, g, b);
}
return null;
}
case 21:
case 22: {
// getPaletteColour/getPaletteColor
int colour = 15 - parseColour(args);
synchronized (this.m_terminal) {
if (this.m_terminal.getPalette() != null) {
return ArrayUtils.toObject(this.m_terminal.getPalette()
.getColour(colour));
}
}
return null;
}
case 23:
case 24: {
// nativePaletteColour/nativePaletteColor
int colour = 15 - parseColour(args);
Colour c = Colour.fromInt(colour);
float[] rgb = c.getRGB();
Object[] rgbObj = new Object[rgb.length];
for (int i = 0; i < rgbObj.length; ++i) {
rgbObj[i] = rgb[i];
}
return rgbObj;
}
case 25:
// getCursorBlink
return new Object[] {this.m_terminal.getCursorBlink()};
default:
return null;
}
}
public static int parseColour(Object[] args) throws LuaException {
int colour = getInt(args, 0);
if (colour <= 0) {
throw new LuaException("Colour out of range");
}
colour = getHighestBit(colour) - 1;
if (colour < 0 || colour > 15) {
throw new LuaException("Colour out of range");
}
return colour;
}
public static Object[] encodeColour(int colour) throws LuaException {
return new Object[] {
1 << colour
};
}
public static void setColour(Terminal terminal, int colour, double r, double g, double b) {
if (terminal.getPalette() != null) {
terminal.getPalette()
.setColour(colour, r, g, b);
terminal.setChanged();
}
}
private static int getHighestBit(int group) {
int bit = 0;
while (group > 0) {
group >>= 1;
bit++;
}
return bit;
}
}

97
src/main/java/dan200/computercraft/core/apis/handles/ArrayByteChannel.java
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@@ -1,97 +0,0 @@
/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.core.apis.handles;
import java.nio.ByteBuffer;
import java.nio.channels.ClosedChannelException;
import java.nio.channels.NonWritableChannelException;
import java.nio.channels.SeekableByteChannel;
import java.util.Objects;
/**
* A seekable, readable byte channel which is backed by a simple byte array.
*/
public class ArrayByteChannel implements SeekableByteChannel {
private final byte[] backing;
private boolean closed = false;
private int position = 0;
public ArrayByteChannel(byte[] backing) {
this.backing = backing;
}
@Override
public int read(ByteBuffer destination) throws ClosedChannelException {
if (this.closed) {
throw new ClosedChannelException();
}
Objects.requireNonNull(destination, "destination");
if (this.position >= this.backing.length) {
return -1;
}
int remaining = Math.min(this.backing.length - this.position, destination.remaining());
destination.put(this.backing, this.position, remaining);
this.position += remaining;
return remaining;
}
@Override
public int write(ByteBuffer src) throws ClosedChannelException {
if (this.closed) {
throw new ClosedChannelException();
}
throw new NonWritableChannelException();
}
@Override
public long position() throws ClosedChannelException {
if (this.closed) {
throw new ClosedChannelException();
}
return this.position;
}
@Override
public SeekableByteChannel position(long newPosition) throws ClosedChannelException {
if (this.closed) {
throw new ClosedChannelException();
}
if (newPosition < 0 || newPosition > Integer.MAX_VALUE) {
throw new IllegalArgumentException("Position out of bounds");
}
this.position = (int) newPosition;
return this;
}
@Override
public long size() throws ClosedChannelException {
if (this.closed) {
throw new ClosedChannelException();
}
return this.backing.length;
}
@Override
public SeekableByteChannel truncate(long size) throws ClosedChannelException {
if (this.closed) {
throw new ClosedChannelException();
}
throw new NonWritableChannelException();
}
@Override
public boolean isOpen() {
return !this.closed;
}
@Override
public void close() {
this.closed = true;
}
}

212
src/main/java/dan200/computercraft/core/apis/handles/BinaryReadableHandle.java
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@@ -1,212 +0,0 @@
/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.core.apis.handles;
import static dan200.computercraft.core.apis.ArgumentHelper.getInt;
import static dan200.computercraft.core.apis.ArgumentHelper.optBoolean;
import java.io.ByteArrayOutputStream;
import java.io.Closeable;
import java.io.IOException;
import java.nio.Buffer;
import java.nio.ByteBuffer;
import java.nio.channels.ReadableByteChannel;
import java.nio.channels.SeekableByteChannel;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.annotation.Nonnull;
import com.google.common.collect.ObjectArrays;
import dan200.computercraft.api.lua.ILuaContext;
import dan200.computercraft.api.lua.LuaException;
public class BinaryReadableHandle extends HandleGeneric {
private static final int BUFFER_SIZE = 8192;
private static final String[] METHOD_NAMES = new String[] {
"read",
"readAll",
"readLine",
"close"
};
private static final String[] METHOD_SEEK_NAMES = ObjectArrays.concat(METHOD_NAMES, new String[] {"seek"}, String.class);
private final ReadableByteChannel m_reader;
private final SeekableByteChannel m_seekable;
private final ByteBuffer single = ByteBuffer.allocate(1);
public BinaryReadableHandle(ReadableByteChannel channel) {
this(channel, channel);
}
public BinaryReadableHandle(ReadableByteChannel channel, Closeable closeable) {
super(closeable);
this.m_reader = channel;
this.m_seekable = asSeekable(channel);
}
@Nonnull
@Override
public String[] getMethodNames() {
return this.m_seekable == null ? METHOD_NAMES : METHOD_SEEK_NAMES;
}
@Override
public Object[] callMethod(@Nonnull ILuaContext context, int method, @Nonnull Object[] args) throws LuaException {
switch (method) {
case 0: // read
this.checkOpen();
try {
if (args.length > 0 && args[0] != null) {
int count = getInt(args, 0);
if (count < 0) {
throw new LuaException("Cannot read a negative number of bytes");
} else if (count == 0 && this.m_seekable != null) {
return this.m_seekable.position() >= this.m_seekable.size() ? null : new Object[] {""};
}
if (count <= BUFFER_SIZE) {
ByteBuffer buffer = ByteBuffer.allocate(count);
int read = this.m_reader.read(buffer);
if (read < 0) {
return null;
}
return new Object[] {read < count ? Arrays.copyOf(buffer.array(), read) : buffer.array()};
} else {
// Read the initial set of characters, failing if none are read.
ByteBuffer buffer = ByteBuffer.allocate(BUFFER_SIZE);
int read = this.m_reader.read(buffer);
if (read < 0) {
return null;
}
// If we failed to read "enough" here, let's just abort
if (read >= count || read < BUFFER_SIZE) {
return new Object[] {Arrays.copyOf(buffer.array(), read)};
}
// Build up an array of ByteBuffers. Hopefully this means we can perform less allocation
// than doubling up the buffer each time.
int totalRead = read;
List<ByteBuffer> parts = new ArrayList<>(4);
parts.add(buffer);
while (read >= BUFFER_SIZE && totalRead < count) {
buffer = ByteBuffer.allocate(Math.min(BUFFER_SIZE, count - totalRead));
read = this.m_reader.read(buffer);
if (read < 0) {
break;
}
totalRead += read;
parts.add(buffer);
}
// Now just copy all the bytes across!
byte[] bytes = new byte[totalRead];
int pos = 0;
for (ByteBuffer part : parts) {
System.arraycopy(part.array(), 0, bytes, pos, part.position());
pos += part.position();
}
return new Object[] {bytes};
}
} else {
this.single.clear();
int b = this.m_reader.read(this.single);
return b == -1 ? null : new Object[] {this.single.get(0) & 0xFF};
}
} catch (IOException e) {
return null;
}
case 1: // readAll
this.checkOpen();
try {
int expected = 32;
if (this.m_seekable != null) {
expected = Math.max(expected, (int) (this.m_seekable.size() - this.m_seekable.position()));
}
ByteArrayOutputStream stream = new ByteArrayOutputStream(expected);
ByteBuffer buf = ByteBuffer.allocate(8192);
boolean readAnything = false;
while (true) {
buf.clear();
int r = this.m_reader.read(buf);
if (r == -1) {
break;
}
readAnything = true;
stream.write(buf.array(), 0, r);
}
return readAnything ? new Object[] {stream.toByteArray()} : null;
} catch (IOException e) {
return null;
}
case 2: // readLine
{
this.checkOpen();
boolean withTrailing = optBoolean(args, 0, false);
try {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
boolean readAnything = false, readRc = false;
while (true) {
this.single.clear();
int read = this.m_reader.read(this.single);
if (read <= 0) {
// Nothing else to read, and we saw no \n. Return the array. If we saw a \r, then add it
// back.
if (readRc) {
stream.write('\r');
}
return readAnything ? new Object[] {stream.toByteArray()} : null;
}
readAnything = true;
byte chr = this.single.get(0);
if (chr == '\n') {
if (withTrailing) {
if (readRc) {
stream.write('\r');
}
stream.write(chr);
}
return new Object[] {stream.toByteArray()};
} else {
// We want to skip \r\n, but obviously need to include cases where \r is not followed by \n.
// Note, this behaviour is non-standard compliant (strictly speaking we should have no
// special logic for \r), but we preserve compatibility with EncodedReadableHandle and
// previous behaviour of the io library.
if (readRc) {
stream.write('\r');
}
readRc = chr == '\r';
if (!readRc) {
stream.write(chr);
}
}
}
} catch (IOException e) {
return null;
}
}
case 3: // close
this.close();
return null;
case 4: // seek
this.checkOpen();
return handleSeek(this.m_seekable, args);
default:
return null;
}
}
}

98
src/main/java/dan200/computercraft/core/apis/handles/BinaryWritableHandle.java
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@@ -1,98 +0,0 @@
/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.core.apis.handles;
import java.io.Closeable;
import java.io.IOException;
import java.nio.Buffer;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
import java.nio.channels.SeekableByteChannel;
import java.nio.channels.WritableByteChannel;
import javax.annotation.Nonnull;
import com.google.common.collect.ObjectArrays;
import dan200.computercraft.api.lua.ILuaContext;
import dan200.computercraft.api.lua.LuaException;
import dan200.computercraft.core.apis.ArgumentHelper;
import dan200.computercraft.shared.util.StringUtil;
public class BinaryWritableHandle extends HandleGeneric {
private static final String[] METHOD_NAMES = new String[] {
"write",
"flush",
"close"
};
private static final String[] METHOD_SEEK_NAMES = ObjectArrays.concat(METHOD_NAMES, new String[] {"seek"}, String.class);
private final WritableByteChannel m_writer;
private final SeekableByteChannel m_seekable;
private final ByteBuffer single = ByteBuffer.allocate(1);
public BinaryWritableHandle(WritableByteChannel channel) {
this(channel, channel);
}
public BinaryWritableHandle(WritableByteChannel channel, Closeable closeable) {
super(closeable);
this.m_writer = channel;
this.m_seekable = asSeekable(channel);
}
@Nonnull
@Override
public String[] getMethodNames() {
return this.m_seekable == null ? METHOD_NAMES : METHOD_SEEK_NAMES;
}
@Override
public Object[] callMethod(@Nonnull ILuaContext context, int method, @Nonnull Object[] args) throws LuaException {
switch (method) {
case 0: // write
this.checkOpen();
try {
if (args.length > 0 && args[0] instanceof Number) {
int number = ((Number) args[0]).intValue();
this.single.clear();
this.single.put((byte) number);
this.single.flip();
this.m_writer.write(this.single);
} else if (args.length > 0 && args[0] instanceof String) {
String value = (String) args[0];
this.m_writer.write(ByteBuffer.wrap(StringUtil.encodeString(value)));
} else {
throw ArgumentHelper.badArgument(0, "string or number", args.length > 0 ? args[0] : null);
}
return null;
} catch (IOException e) {
throw new LuaException(e.getMessage());
}
case 1: // flush
this.checkOpen();
try {
// Technically this is not needed
if (this.m_writer instanceof FileChannel) {
((FileChannel) this.m_writer).force(false);
}
return null;
} catch (IOException e) {
return null;
}
case 2: // close
this.close();
return null;
case 3: // seek
this.checkOpen();
return handleSeek(this.m_seekable, args);
default:
return null;
}
}
}

155
src/main/java/dan200/computercraft/core/apis/handles/EncodedReadableHandle.java
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@@ -1,155 +0,0 @@
/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.core.apis.handles;
import static dan200.computercraft.core.apis.ArgumentHelper.optBoolean;
import static dan200.computercraft.core.apis.ArgumentHelper.optInt;
import java.io.BufferedReader;
import java.io.Closeable;
import java.io.IOException;
import java.nio.channels.Channels;
import java.nio.channels.ReadableByteChannel;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CodingErrorAction;
import java.nio.charset.StandardCharsets;
import javax.annotation.Nonnull;
import dan200.computercraft.api.lua.ILuaContext;
import dan200.computercraft.api.lua.LuaException;
public class EncodedReadableHandle extends HandleGeneric {
private static final int BUFFER_SIZE = 8192;
private BufferedReader m_reader;
public EncodedReadableHandle(@Nonnull BufferedReader reader) {
this(reader, reader);
}
public EncodedReadableHandle(@Nonnull BufferedReader reader, @Nonnull Closeable closable) {
super(closable);
this.m_reader = reader;
}
public static BufferedReader openUtf8(ReadableByteChannel channel) {
return open(channel, StandardCharsets.UTF_8);
}
public static BufferedReader open(ReadableByteChannel channel, Charset charset) {
// Create a charset decoder with the same properties as StreamDecoder does for
// InputStreams: namely, replace everything instead of erroring.
CharsetDecoder decoder = charset.newDecoder()
.onMalformedInput(CodingErrorAction.REPLACE)
.onUnmappableCharacter(CodingErrorAction.REPLACE);
return new BufferedReader(Channels.newReader(channel, decoder, -1));
}
@Nonnull
@Override
public String[] getMethodNames() {
return new String[] {
"readLine",
"readAll",
"read",
"close",
};
}
@Override
public Object[] callMethod(@Nonnull ILuaContext context, int method, @Nonnull Object[] args) throws LuaException {
switch (method) {
case 0: // readLine
{
this.checkOpen();
boolean withTrailing = optBoolean(args, 0, false);
try {
String line = this.m_reader.readLine();
if (line != null) {
// While this is technically inaccurate, it's better than nothing
if (withTrailing) {
line += "\n";
}
return new Object[] {line};
} else {
return null;
}
} catch (IOException e) {
return null;
}
}
case 1: // readAll
this.checkOpen();
try {
StringBuilder result = new StringBuilder();
String line = this.m_reader.readLine();
while (line != null) {
result.append(line);
line = this.m_reader.readLine();
if (line != null) {
result.append("\n");
}
}
return new Object[] {result.toString()};
} catch (IOException e) {
return null;
}
case 2: // read
this.checkOpen();
try {
int count = optInt(args, 0, 1);
if (count < 0) {
// Whilst this may seem absurd to allow reading 0 characters, PUC Lua it so
// it seems best to remain somewhat consistent.
throw new LuaException("Cannot read a negative number of characters");
} else if (count <= BUFFER_SIZE) {
// If we've got a small count, then allocate that and read it.
char[] chars = new char[count];
int read = this.m_reader.read(chars);
return read < 0 ? null : new Object[] {new String(chars, 0, read)};
} else {
// If we've got a large count, read in bunches of 8192.
char[] buffer = new char[BUFFER_SIZE];
// Read the initial set of characters, failing if none are read.
int read = this.m_reader.read(buffer, 0, Math.min(buffer.length, count));
if (read < 0) {
return null;
}
StringBuilder out = new StringBuilder(read);
int totalRead = read;
out.append(buffer, 0, read);
// Otherwise read until we either reach the limit or we no longer consume
// the full buffer.
while (read >= BUFFER_SIZE && totalRead < count) {
read = this.m_reader.read(buffer, 0, Math.min(BUFFER_SIZE, count - totalRead));
if (read < 0) {
break;
}
totalRead += read;
out.append(buffer, 0, read);
}
return new Object[] {out.toString()};
}
} catch (IOException e) {
return null;
}
case 3: // close
this.close();
return null;
default:
return null;
}
}
}

101
src/main/java/dan200/computercraft/core/apis/handles/EncodedWritableHandle.java
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@@ -1,101 +0,0 @@
/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.core.apis.handles;
import java.io.BufferedWriter;
import java.io.Closeable;
import java.io.IOException;
import java.nio.channels.Channels;
import java.nio.channels.WritableByteChannel;
import java.nio.charset.Charset;
import java.nio.charset.CharsetEncoder;
import java.nio.charset.CodingErrorAction;
import java.nio.charset.StandardCharsets;
import javax.annotation.Nonnull;
import dan200.computercraft.api.lua.ILuaContext;
import dan200.computercraft.api.lua.LuaException;
public class EncodedWritableHandle extends HandleGeneric {
private BufferedWriter m_writer;
public EncodedWritableHandle(@Nonnull BufferedWriter writer) {
this(writer, writer);
}
public EncodedWritableHandle(@Nonnull BufferedWriter writer, @Nonnull Closeable closable) {
super(closable);
this.m_writer = writer;
}
public static BufferedWriter openUtf8(WritableByteChannel channel) {
return open(channel, StandardCharsets.UTF_8);
}
public static BufferedWriter open(WritableByteChannel channel, Charset charset) {
// Create a charset encoder with the same properties as StreamEncoder does for
// OutputStreams: namely, replace everything instead of erroring.
CharsetEncoder encoder = charset.newEncoder()
.onMalformedInput(CodingErrorAction.REPLACE)
.onUnmappableCharacter(CodingErrorAction.REPLACE);
return new BufferedWriter(Channels.newWriter(channel, encoder, -1));
}
@Nonnull
@Override
public String[] getMethodNames() {
return new String[] {
"write",
"writeLine",
"flush",
"close",
};
}
@Override
public Object[] callMethod(@Nonnull ILuaContext context, int method, @Nonnull Object[] args) throws LuaException {
switch (method) {
case 0: // write
{
this.checkOpen();
String text = args.length > 0 && args[0] != null ? args[0].toString() : "";
try {
this.m_writer.write(text, 0, text.length());
return null;
} catch (IOException e) {
throw new LuaException(e.getMessage());
}
}
case 1: // writeLine
{
this.checkOpen();
String text = args.length > 0 && args[0] != null ? args[0].toString() : "";
try {
this.m_writer.write(text, 0, text.length());
this.m_writer.newLine();
return null;
} catch (IOException e) {
throw new LuaException(e.getMessage());
}
}
case 2: // flush
this.checkOpen();
try {
this.m_writer.flush();
return null;
} catch (IOException e) {
return null;
}
case 3: // close
this.close();
return null;
default:
return null;
}
}
}

94
src/main/java/dan200/computercraft/core/apis/handles/HandleGeneric.java
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@@ -1,94 +0,0 @@
/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.core.apis.handles;
import static dan200.computercraft.core.apis.ArgumentHelper.optLong;
import static dan200.computercraft.core.apis.ArgumentHelper.optString;
import java.io.Closeable;
import java.io.IOException;
import java.nio.channels.Channel;
import java.nio.channels.SeekableByteChannel;
import javax.annotation.Nonnull;
import dan200.computercraft.api.lua.ILuaObject;
import dan200.computercraft.api.lua.LuaException;
import dan200.computercraft.shared.util.IoUtil;
public abstract class HandleGeneric implements ILuaObject {
private Closeable m_closable;
private boolean m_open = true;
protected HandleGeneric(@Nonnull Closeable closable) {
this.m_closable = closable;
}
/**
* Shared implementation for various file handle types
*
* @param channel The channel to seek in
* @param args The Lua arguments to process, like Lua's {@code file:seek}.
* @return The new position of the file, or null if some error occurred.
* @throws LuaException If the arguments were invalid
* @see <a href="https://www.lua.org/manual/5.1/manual.html#pdf-file:seek">{@code file:seek} in the Lua manual.</a>
*/
protected static Object[] handleSeek(SeekableByteChannel channel, Object[] args) throws LuaException {
try {
String whence = optString(args, 0, "cur");
long offset = optLong(args, 1, 0);
switch (whence) {
case "set":
channel.position(offset);
break;
case "cur":
channel.position(channel.position() + offset);
break;
case "end":
channel.position(channel.size() + offset);
break;
default:
throw new LuaException("bad argument #1 to 'seek' (invalid option '" + whence + "'");
}
return new Object[] {channel.position()};
} catch (IllegalArgumentException e) {
return new Object[] {
false,
"Position is negative"
};
} catch (IOException e) {
return null;
}
}
protected static SeekableByteChannel asSeekable(Channel channel) {
if (!(channel instanceof SeekableByteChannel)) {
return null;
}
SeekableByteChannel seekable = (SeekableByteChannel) channel;
try {
seekable.position(seekable.position());
return seekable;
} catch (IOException | UnsupportedOperationException e) {
return null;
}
}
protected void checkOpen() throws LuaException {
if (!this.m_open) {
throw new LuaException("attempt to use a closed file");
}
}
protected final void close() {
this.m_open = false;
IoUtil.closeQuietly(this.m_closable);
this.m_closable = null;
}
}

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