431 lines
17 KiB
Java
431 lines
17 KiB
Java
/**
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* This file is part of ComputerCraft - http://www.computercraft.info
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* Copyright Daniel Ratcliffe, 2011-2016. Do not distribute without permission.
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* Send enquiries to dratcliffe@gmail.com
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*/
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package dan200.computercraft.shared.turtle.core;
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import dan200.computercraft.ComputerCraft;
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import dan200.computercraft.api.turtle.ITurtleAccess;
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import dan200.computercraft.api.turtle.ITurtleCommand;
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import dan200.computercraft.api.turtle.TurtleAnimation;
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import dan200.computercraft.api.turtle.TurtleCommandResult;
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import dan200.computercraft.shared.util.DirectionUtil;
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import dan200.computercraft.shared.util.IEntityDropConsumer;
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import dan200.computercraft.shared.util.InventoryUtil;
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import dan200.computercraft.shared.util.WorldUtil;
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import net.minecraft.block.Block;
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import net.minecraft.block.state.IBlockState;
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import net.minecraft.entity.Entity;
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import net.minecraft.entity.EntityLivingBase;
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import net.minecraft.item.*;
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import net.minecraft.tileentity.TileEntity;
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import net.minecraft.tileentity.TileEntitySign;
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import net.minecraft.util.ActionResult;
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import net.minecraft.util.EnumActionResult;
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import net.minecraft.util.EnumHand;
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import net.minecraft.util.math.BlockPos;
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import net.minecraft.util.text.TextComponentString;
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import net.minecraft.util.EnumFacing;
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import net.minecraft.util.math.Vec3d;
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import net.minecraft.world.World;
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import net.minecraft.world.WorldServer;
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import org.apache.commons.lang3.tuple.Pair;
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public class TurtlePlaceCommand implements ITurtleCommand
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{
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private final InteractDirection m_direction;
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private final Object[] m_extraArguments;
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public TurtlePlaceCommand( InteractDirection direction, Object[] arguments )
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{
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m_direction = direction;
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m_extraArguments = arguments;
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}
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@Override
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public TurtleCommandResult execute( ITurtleAccess turtle )
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{
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// Get thing to place
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ItemStack stack = turtle.getInventory().getStackInSlot( turtle.getSelectedSlot() );
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if( stack == null )
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{
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return TurtleCommandResult.failure( "No items to place" );
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}
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// Remember old block
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EnumFacing direction = m_direction.toWorldDir( turtle );
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World world = turtle.getWorld();
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BlockPos coordinates = WorldUtil.moveCoords( turtle.getPosition(), direction );
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IBlockState previousState;
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if( WorldUtil.isBlockInWorld( world, coordinates ) )
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{
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previousState = world.getBlockState( coordinates );
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}
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else
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{
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previousState = null;
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}
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// Do the deploying
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String[] errorMessage = new String[1];
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ItemStack remainder = deploy( stack, turtle, direction, m_extraArguments, errorMessage );
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if( remainder != stack )
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{
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// Put the remaining items back
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turtle.getInventory().setInventorySlotContents( turtle.getSelectedSlot(), remainder );
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turtle.getInventory().markDirty();
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// Remember the old block
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if( turtle instanceof TurtleBrain && previousState != null )
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{
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TurtleBrain brain = (TurtleBrain)turtle;
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brain.saveBlockChange( coordinates, previousState );
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}
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// Animate and return success
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turtle.playAnimation( TurtleAnimation.Wait );
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return TurtleCommandResult.success();
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}
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else
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{
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if( errorMessage[0] != null )
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{
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return TurtleCommandResult.failure( errorMessage[0] );
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}
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else if( stack.getItem() instanceof ItemBlock )
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{
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return TurtleCommandResult.failure( "Cannot place block here" );
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}
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else
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{
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return TurtleCommandResult.failure( "Cannot place item here" );
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}
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}
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}
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public static ItemStack deploy( ItemStack stack, ITurtleAccess turtle, EnumFacing direction, Object[] extraArguments, String[] o_errorMessage )
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{
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// Create a fake player, and orient it appropriately
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BlockPos playerPosition = WorldUtil.moveCoords( turtle.getPosition(), direction );
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TurtlePlayer turtlePlayer = createPlayer( turtle, playerPosition, direction );
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// Deploy on an entity
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ItemStack remainder = deployOnEntity( stack, turtle, turtlePlayer, direction, extraArguments, o_errorMessage );
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if( remainder != stack )
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{
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return remainder;
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}
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// Deploy on the block immediately in front
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BlockPos position = turtle.getPosition();
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BlockPos newPosition = WorldUtil.moveCoords( position, direction );
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remainder = deployOnBlock( stack, turtle, turtlePlayer, newPosition, direction.getOpposite(), extraArguments, true, o_errorMessage );
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if( remainder != stack )
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{
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return remainder;
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}
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// Deploy on the block one block away
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remainder = deployOnBlock( stack, turtle, turtlePlayer, WorldUtil.moveCoords( newPosition, direction ), direction.getOpposite(), extraArguments, false, o_errorMessage );
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if( remainder != stack )
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{
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return remainder;
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}
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if( direction.getAxis() != EnumFacing.Axis.Y )
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{
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// Deploy down on the block in front
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remainder = deployOnBlock( stack, turtle, turtlePlayer, newPosition.down(), EnumFacing.UP, extraArguments, false, o_errorMessage );
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if( remainder != stack )
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{
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return remainder;
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}
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}
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// Deploy back onto the turtle
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remainder = deployOnBlock( stack, turtle, turtlePlayer, position, direction, extraArguments, false, o_errorMessage );
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if( remainder != stack )
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{
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return remainder;
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}
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// If nothing worked, return the original stack unchanged
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return stack;
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}
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public static TurtlePlayer createPlayer( ITurtleAccess turtle, BlockPos position, EnumFacing direction )
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{
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TurtlePlayer turtlePlayer = new TurtlePlayer( (WorldServer)turtle.getWorld() );
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orientPlayer( turtle, turtlePlayer, position, direction );
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return turtlePlayer;
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}
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public static void orientPlayer( ITurtleAccess turtle, TurtlePlayer turtlePlayer, BlockPos position, EnumFacing direction )
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{
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turtlePlayer.posX = position.getX() + 0.5;
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turtlePlayer.posY = position.getY() + 0.5;
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turtlePlayer.posZ = position.getZ() + 0.5;
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// Stop intersection with the turtle itself
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if( turtle.getPosition().equals( position ) )
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{
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turtlePlayer.posX += 0.48 * direction.getFrontOffsetX();
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turtlePlayer.posY += 0.48 * direction.getFrontOffsetY();
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turtlePlayer.posZ += 0.48 * direction.getFrontOffsetZ();
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}
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if( direction.getAxis() != EnumFacing.Axis.Y )
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{
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turtlePlayer.rotationYaw = DirectionUtil.toYawAngle( direction );
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turtlePlayer.rotationPitch = 0.0f;
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}
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else
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{
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turtlePlayer.rotationYaw = DirectionUtil.toYawAngle( turtle.getDirection() );
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turtlePlayer.rotationPitch = DirectionUtil.toPitchAngle( direction );
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}
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turtlePlayer.prevPosX = turtlePlayer.posX;
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turtlePlayer.prevPosY = turtlePlayer.posY;
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turtlePlayer.prevPosZ = turtlePlayer.posZ;
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turtlePlayer.prevRotationPitch = turtlePlayer.rotationPitch;
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turtlePlayer.prevRotationYaw = turtlePlayer.rotationYaw;
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turtlePlayer.rotationYawHead = turtlePlayer.rotationYaw;
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turtlePlayer.prevRotationYawHead = turtlePlayer.rotationYawHead;
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}
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private static ItemStack deployOnEntity( ItemStack stack, final ITurtleAccess turtle, TurtlePlayer turtlePlayer, EnumFacing direction, Object[] extraArguments, String[] o_errorMessage )
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{
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// See if there is an entity present
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final World world = turtle.getWorld();
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final BlockPos position = turtle.getPosition();
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Vec3d turtlePos = new Vec3d( turtlePlayer.posX, turtlePlayer.posY, turtlePlayer.posZ );
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Vec3d rayDir = turtlePlayer.getLook( 1.0f );
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Vec3d rayStart = turtlePos;
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Pair<Entity, Vec3d> hit = WorldUtil.rayTraceEntities( world, rayStart, rayDir, 1.5 );
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if( hit == null )
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{
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return stack;
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}
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// Load up the turtle's inventory
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Item item = stack.getItem();
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ItemStack stackCopy = stack.copy();
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turtlePlayer.loadInventory( stackCopy );
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// Start claiming entity drops
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Entity hitEntity = hit.getKey();
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Vec3d hitPos = hit.getValue();
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ComputerCraft.setEntityDropConsumer( hitEntity, new IEntityDropConsumer()
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{
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@Override
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public void consumeDrop( Entity entity, ItemStack drop )
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{
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ItemStack remainder = InventoryUtil.storeItems( drop, turtle.getInventory(), 0, turtle.getInventory().getSizeInventory(), turtle.getSelectedSlot() );
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if( remainder != null )
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{
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WorldUtil.dropItemStack( remainder, world, position, turtle.getDirection().getOpposite() );
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}
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}
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} );
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// Place on the entity
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boolean placed = false;
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if( hitEntity.applyPlayerInteraction( turtlePlayer, hitPos, stackCopy, EnumHand.MAIN_HAND ) == EnumActionResult.SUCCESS )
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{
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placed = true;
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turtlePlayer.loadInventory( stackCopy );
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}
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else if( hitEntity.processInitialInteract( turtlePlayer, stackCopy, EnumHand.MAIN_HAND ) )
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{
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placed = true;
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}
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else if( hitEntity instanceof EntityLivingBase )
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{
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placed = item.itemInteractionForEntity( stackCopy, turtlePlayer, (EntityLivingBase)hitEntity, EnumHand.MAIN_HAND );
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if( placed )
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{
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turtlePlayer.loadInventory( stackCopy );
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}
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}
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// Stop claiming drops
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ComputerCraft.clearEntityDropConsumer( hitEntity );
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// Put everything we collected into the turtles inventory, then return
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ItemStack remainder = turtlePlayer.unloadInventory( turtle );
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if( !placed && (remainder != null && ItemStack.areItemStacksEqual( stack, remainder )) )
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{
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return stack;
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}
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else if( remainder != null && remainder.stackSize > 0 )
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{
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return remainder;
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}
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else
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{
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return null;
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}
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}
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private static boolean canDeployOnBlock( ItemStack stack, ITurtleAccess turtle, TurtlePlayer player, BlockPos position, EnumFacing side, boolean allowReplaceable, String[] o_errorMessage )
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{
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World world = turtle.getWorld();
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if( WorldUtil.isBlockInWorld( world, position ) &&
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!world.isAirBlock( position ) &&
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!(stack.getItem() instanceof ItemBlock && WorldUtil.isLiquidBlock( world, position )) )
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{
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Block block = world.getBlockState( position ).getBlock();
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IBlockState state = world.getBlockState( position );
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boolean replaceable = block.isReplaceable( world, position );
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if( allowReplaceable || !replaceable )
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{
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if( ComputerCraft.turtlesObeyBlockProtection )
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{
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// Check spawn protection
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boolean editable = true;
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if( replaceable )
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{
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editable = ComputerCraft.isBlockEditable( world, position, player );
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}
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else
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{
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BlockPos shiftedPos = WorldUtil.moveCoords( position, side );
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if( WorldUtil.isBlockInWorld( world, shiftedPos ) )
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{
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editable = ComputerCraft.isBlockEditable( world, shiftedPos, player );
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}
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}
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if( !editable )
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{
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if( o_errorMessage != null )
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{
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o_errorMessage[0] = "Cannot place in protected area";
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}
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return false;
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}
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}
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// Check the block is solid or liquid
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if( block.canCollideCheck( state, true ) )
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{
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return true;
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}
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}
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}
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return false;
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}
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private static ItemStack deployOnBlock( ItemStack stack, ITurtleAccess turtle, TurtlePlayer turtlePlayer, BlockPos position, EnumFacing side, Object[] extraArguments, boolean allowReplace, String[] o_errorMessage )
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{
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// Check if there's something suitable to place onto
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if( !canDeployOnBlock( stack, turtle, turtlePlayer, position, side, allowReplace, o_errorMessage ) )
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{
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return stack;
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}
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// Re-orient the fake player
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EnumFacing playerDir = side.getOpposite();
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BlockPos playerPosition = WorldUtil.moveCoords( position, side );
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orientPlayer( turtle, turtlePlayer, playerPosition, playerDir );
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// Calculate where the turtle would hit the block
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float hitX = 0.5f + side.getFrontOffsetX() * 0.5f;
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float hitY = 0.5f + side.getFrontOffsetY() * 0.5f;
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float hitZ = 0.5f + side.getFrontOffsetZ() * 0.5f;
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if( Math.abs( hitY - 0.5f ) < 0.01f )
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{
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hitY = 0.45f;
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}
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// Load up the turtle's inventory
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Item item = stack.getItem();
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ItemStack stackCopy = stack.copy();
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turtlePlayer.loadInventory( stackCopy );
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// Do the deploying (put everything in the players inventory)
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boolean placed = false;
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if( item.onItemUseFirst( stackCopy, turtlePlayer, turtle.getWorld(), position, side, hitX, hitY, hitZ, EnumHand.MAIN_HAND ) == EnumActionResult.SUCCESS )
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{
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placed = true;
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turtlePlayer.loadInventory( stackCopy );
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}
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else if( item.onItemUse( stackCopy, turtlePlayer, turtle.getWorld(), position, EnumHand.MAIN_HAND, side, hitX, hitY, hitZ ) == EnumActionResult.SUCCESS )
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{
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placed = true;
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turtlePlayer.loadInventory( stackCopy );
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}
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else if( item instanceof ItemBucket || item instanceof ItemBoat || item instanceof ItemLilyPad || item instanceof ItemGlassBottle )
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{
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ActionResult<ItemStack> result = item.onItemRightClick( stackCopy, turtle.getWorld(), turtlePlayer, EnumHand.MAIN_HAND );
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if( result.getType() == EnumActionResult.SUCCESS && !ItemStack.areItemStacksEqual( stack, result.getResult() ) )
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{
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placed = true;
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turtlePlayer.loadInventory( result.getResult() );
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}
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}
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// Set text on signs
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if( placed && item instanceof ItemSign )
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{
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if( extraArguments != null && extraArguments.length >= 1 && extraArguments[0] instanceof String )
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{
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World world = turtle.getWorld();
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TileEntity tile = world.getTileEntity( position );
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if( tile == null )
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{
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BlockPos newPosition = WorldUtil.moveCoords( position, side );
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tile = world.getTileEntity( newPosition );
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}
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if( tile != null && tile instanceof TileEntitySign )
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{
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TileEntitySign signTile = (TileEntitySign) tile;
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String s = (String)extraArguments[0];
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String[] split = s.split("\n");
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int firstLine = (split.length <= 2) ? 1 : 0;
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for (int i = 0; i < signTile.signText.length; i++)
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{
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if( i >= firstLine && i < firstLine + split.length )
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{
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if( split[ i - firstLine ].length() > 15 )
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{
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signTile.signText[ i ] = new TextComponentString( split[ i - firstLine ].substring( 0, 15 ) );
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}
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else
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{
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signTile.signText[ i ] = new TextComponentString( split[ i - firstLine ] );
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}
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}
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else
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{
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signTile.signText[i] = new TextComponentString( "" );
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}
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}
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signTile.markDirty();
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world.markBlockRangeForRenderUpdate( signTile.getPos(), signTile.getPos() );
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}
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}
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}
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// Put everything we collected into the turtles inventory, then return
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ItemStack remainder = turtlePlayer.unloadInventory( turtle );
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if( !placed && (remainder != null && ItemStack.areItemStacksEqual( stack, remainder )) )
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{
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return stack;
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}
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else if( remainder != null && remainder.stackSize > 0 )
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{
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return remainder;
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}
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else
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{
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return null;
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}
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}
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}
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