CC-Tweaked/src/main/java/dan200/computercraft/shared/turtle/upgrades/TurtleTool.java

297 lines
12 KiB
Java

/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2021. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.shared.turtle.upgrades;
import dan200.computercraft.ComputerCraft;
import dan200.computercraft.api.client.TransformedModel;
import dan200.computercraft.api.turtle.*;
import dan200.computercraft.api.turtle.event.TurtleAttackEvent;
import dan200.computercraft.api.turtle.event.TurtleBlockEvent;
import dan200.computercraft.shared.TurtlePermissions;
import dan200.computercraft.shared.turtle.core.TurtleBrain;
import dan200.computercraft.shared.turtle.core.TurtlePlayer;
import dan200.computercraft.shared.util.DropConsumer;
import dan200.computercraft.shared.util.InventoryUtil;
import dan200.computercraft.shared.util.WorldUtil;
import net.minecraft.block.Block;
import net.minecraft.block.BlockState;
import net.minecraft.block.Blocks;
import net.minecraft.client.renderer.Matrix4f;
import net.minecraft.client.renderer.TransformationMatrix;
import net.minecraft.entity.Entity;
import net.minecraft.entity.SharedMonsterAttributes;
import net.minecraft.entity.item.ArmorStandEntity;
import net.minecraft.fluid.IFluidState;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.CompoundNBT;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.DamageSource;
import net.minecraft.util.Direction;
import net.minecraft.util.ResourceLocation;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.Vec3d;
import net.minecraft.world.World;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.common.util.Constants;
import net.minecraftforge.event.entity.player.AttackEntityEvent;
import net.minecraftforge.event.world.BlockEvent;
import org.apache.commons.lang3.tuple.Pair;
import javax.annotation.Nonnull;
import java.util.function.Function;
public class TurtleTool extends AbstractTurtleUpgrade
{
protected final ItemStack item;
public TurtleTool( ResourceLocation id, String adjective, Item item )
{
super( id, TurtleUpgradeType.TOOL, adjective, item );
this.item = new ItemStack( item );
}
public TurtleTool( ResourceLocation id, Item item )
{
super( id, TurtleUpgradeType.TOOL, item );
this.item = new ItemStack( item );
}
public TurtleTool( ResourceLocation id, ItemStack craftItem, ItemStack toolItem )
{
super( id, TurtleUpgradeType.TOOL, craftItem );
item = toolItem;
}
@Override
public boolean isItemSuitable( @Nonnull ItemStack stack )
{
CompoundNBT tag = stack.getTag();
if( tag == null || tag.isEmpty() ) return true;
// Check we've not got anything vaguely interesting on the item. We allow other mods to add their
// own NBT, with the understanding such details will be lost to the mist of time.
if( stack.isDamaged() || stack.isEnchanted() || stack.hasCustomHoverName() ) return false;
if( tag.contains( "AttributeModifiers", Constants.NBT.TAG_LIST ) &&
!tag.getList( "AttributeModifiers", Constants.NBT.TAG_COMPOUND ).isEmpty() )
{
return false;
}
return true;
}
@Nonnull
@Override
@OnlyIn( Dist.CLIENT )
public TransformedModel getModel( ITurtleAccess turtle, @Nonnull TurtleSide side )
{
float xOffset = side == TurtleSide.LEFT ? -0.40625f : 0.40625f;
Matrix4f transform = new Matrix4f( new float[] {
0.0f, 0.0f, -1.0f, 1.0f + xOffset,
1.0f, 0.0f, 0.0f, 0.0f,
0.0f, -1.0f, 0.0f, 1.0f,
0.0f, 0.0f, 0.0f, 1.0f,
} );
return TransformedModel.of( getCraftingItem(), new TransformationMatrix( transform ) );
}
@Nonnull
@Override
public TurtleCommandResult useTool( @Nonnull ITurtleAccess turtle, @Nonnull TurtleSide side, @Nonnull TurtleVerb verb, @Nonnull Direction direction )
{
switch( verb )
{
case ATTACK:
return attack( turtle, direction, side );
case DIG:
return dig( turtle, direction, side );
default:
return TurtleCommandResult.failure( "Unsupported action" );
}
}
protected boolean canBreakBlock( BlockState state, World world, BlockPos pos, TurtlePlayer player )
{
Block block = state.getBlock();
return !state.isAir( world, pos )
&& block != Blocks.BEDROCK
&& state.getDestroyProgress( player, world, pos ) > 0
&& block.canEntityDestroy( state, world, pos, player );
}
protected float getDamageMultiplier()
{
return 3.0f;
}
private TurtleCommandResult attack( ITurtleAccess turtle, Direction direction, TurtleSide side )
{
// Create a fake player, and orient it appropriately
World world = turtle.getWorld();
BlockPos position = turtle.getPosition();
TileEntity turtleTile = turtle instanceof TurtleBrain ? ((TurtleBrain) turtle).getOwner() : world.getBlockEntity( position );
if( turtleTile == null ) return TurtleCommandResult.failure( "Turtle has vanished from existence." );
final TurtlePlayer turtlePlayer = TurtlePlayer.getWithPosition( turtle, position, direction );
// See if there is an entity present
Vec3d turtlePos = turtlePlayer.position();
Vec3d rayDir = turtlePlayer.getViewVector( 1.0f );
Pair<Entity, Vec3d> hit = WorldUtil.rayTraceEntities( world, turtlePos, rayDir, 1.5 );
if( hit != null )
{
// Load up the turtle's inventory
ItemStack stackCopy = item.copy();
turtlePlayer.loadInventory( stackCopy );
Entity hitEntity = hit.getKey();
// Fire several events to ensure we have permissions.
if( MinecraftForge.EVENT_BUS.post( new AttackEntityEvent( turtlePlayer, hitEntity ) ) || !hitEntity.isAttackable() )
{
return TurtleCommandResult.failure( "Nothing to attack here" );
}
TurtleAttackEvent attackEvent = new TurtleAttackEvent( turtle, turtlePlayer, hitEntity, this, side );
if( MinecraftForge.EVENT_BUS.post( attackEvent ) )
{
return TurtleCommandResult.failure( attackEvent.getFailureMessage() );
}
// Start claiming entity drops
DropConsumer.set( hitEntity, turtleDropConsumer( turtleTile, turtle ) );
// Attack the entity
boolean attacked = false;
if( !hitEntity.skipAttackInteraction( turtlePlayer ) )
{
float damage = (float) turtlePlayer.getAttribute( SharedMonsterAttributes.ATTACK_DAMAGE ).getValue();
damage *= getDamageMultiplier();
if( damage > 0.0f )
{
DamageSource source = DamageSource.playerAttack( turtlePlayer );
if( hitEntity instanceof ArmorStandEntity )
{
// Special case for armor stands: attack twice to guarantee destroy
hitEntity.hurt( source, damage );
if( hitEntity.isAlive() )
{
hitEntity.hurt( source, damage );
}
attacked = true;
}
else
{
if( hitEntity.hurt( source, damage ) )
{
attacked = true;
}
}
}
}
// Stop claiming drops
stopConsuming( turtleTile, turtle );
// Put everything we collected into the turtles inventory, then return
if( attacked )
{
turtlePlayer.inventory.clearContent();
return TurtleCommandResult.success();
}
}
return TurtleCommandResult.failure( "Nothing to attack here" );
}
private TurtleCommandResult dig( ITurtleAccess turtle, Direction direction, TurtleSide side )
{
// Get ready to dig
World world = turtle.getWorld();
BlockPos turtlePosition = turtle.getPosition();
TileEntity turtleTile = turtle instanceof TurtleBrain ? ((TurtleBrain) turtle).getOwner() : world.getBlockEntity( turtlePosition );
if( turtleTile == null ) return TurtleCommandResult.failure( "Turtle has vanished from existence." );
BlockPos blockPosition = turtlePosition.relative( direction );
if( world.isEmptyBlock( blockPosition ) || WorldUtil.isLiquidBlock( world, blockPosition ) )
{
return TurtleCommandResult.failure( "Nothing to dig here" );
}
BlockState state = world.getBlockState( blockPosition );
IFluidState fluidState = world.getFluidState( blockPosition );
TurtlePlayer turtlePlayer = TurtlePlayer.getWithPosition( turtle, turtlePosition, direction );
turtlePlayer.loadInventory( item.copy() );
if( ComputerCraft.turtlesObeyBlockProtection )
{
// Check spawn protection
if( MinecraftForge.EVENT_BUS.post( new BlockEvent.BreakEvent( world, blockPosition, state, turtlePlayer ) ) )
{
return TurtleCommandResult.failure( "Cannot break protected block" );
}
if( !TurtlePermissions.isBlockEditable( world, blockPosition, turtlePlayer ) )
{
return TurtleCommandResult.failure( "Cannot break protected block" );
}
}
// Check if we can break the block
if( !canBreakBlock( state, world, blockPosition, turtlePlayer ) )
{
return TurtleCommandResult.failure( "Unbreakable block detected" );
}
// Fire the dig event, checking whether it was cancelled.
TurtleBlockEvent.Dig digEvent = new TurtleBlockEvent.Dig( turtle, turtlePlayer, world, blockPosition, state, this, side );
if( MinecraftForge.EVENT_BUS.post( digEvent ) )
{
return TurtleCommandResult.failure( digEvent.getFailureMessage() );
}
// Consume the items the block drops
DropConsumer.set( world, blockPosition, turtleDropConsumer( turtleTile, turtle ) );
TileEntity tile = world.getBlockEntity( blockPosition );
// Much of this logic comes from PlayerInteractionManager#tryHarvestBlock, so it's a good idea
// to consult there before making any changes.
// Play the destruction sound and particles
world.levelEvent( 2001, blockPosition, Block.getId( state ) );
// Destroy the block
boolean canHarvest = state.canHarvestBlock( world, blockPosition, turtlePlayer );
boolean canBreak = state.removedByPlayer( world, blockPosition, turtlePlayer, canHarvest, fluidState );
if( canBreak ) state.getBlock().destroy( world, blockPosition, state );
if( canHarvest && canBreak )
{
state.getBlock().playerDestroy( world, turtlePlayer, blockPosition, state, tile, turtlePlayer.getMainHandItem() );
}
stopConsuming( turtleTile, turtle );
return TurtleCommandResult.success();
}
private static Function<ItemStack, ItemStack> turtleDropConsumer( TileEntity tile, ITurtleAccess turtle )
{
return drop -> tile.isRemoved() ? drop : InventoryUtil.storeItems( drop, turtle.getItemHandler(), turtle.getSelectedSlot() );
}
private static void stopConsuming( TileEntity tile, ITurtleAccess turtle )
{
Direction direction = tile.isRemoved() ? null : turtle.getDirection().getOpposite();
DropConsumer.clearAndDrop( turtle.getWorld(), turtle.getPosition(), direction );
}
}