minecraft-src/net/minecraft/world/level/block/CocoaBlock.java

package net.minecraft.world.level.block;

import com.mojang.serialization.MapCodec;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.tags.BlockTags;
import net.minecraft.util.RandomSource;
import net.minecraft.world.item.context.BlockPlaceContext;
import net.minecraft.world.level.BlockGetter;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.LevelAccessor;
import net.minecraft.world.level.LevelReader;
import net.minecraft.world.level.block.state.BlockBehaviour;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.block.state.StateDefinition;
import net.minecraft.world.level.block.state.properties.BlockStateProperties;
import net.minecraft.world.level.block.state.properties.IntegerProperty;
import net.minecraft.world.level.pathfinder.PathComputationType;
import net.minecraft.world.phys.shapes.CollisionContext;
import net.minecraft.world.phys.shapes.VoxelShape;
import org.jetbrains.annotations.Nullable;

public class CocoaBlock extends HorizontalDirectionalBlock implements BonemealableBlock {
	public static final MapCodec<CocoaBlock> CODEC = simpleCodec(CocoaBlock::new);
	public static final int MAX_AGE = 2;
	public static final IntegerProperty AGE = BlockStateProperties.AGE_2;
	protected static final int AGE_0_WIDTH = 4;
	protected static final int AGE_0_HEIGHT = 5;
	protected static final int AGE_0_HALFWIDTH = 2;
	protected static final int AGE_1_WIDTH = 6;
	protected static final int AGE_1_HEIGHT = 7;
	protected static final int AGE_1_HALFWIDTH = 3;
	protected static final int AGE_2_WIDTH = 8;
	protected static final int AGE_2_HEIGHT = 9;
	protected static final int AGE_2_HALFWIDTH = 4;
	protected static final VoxelShape[] EAST_AABB = new VoxelShape[]{
		Block.box(11.0, 7.0, 6.0, 15.0, 12.0, 10.0), Block.box(9.0, 5.0, 5.0, 15.0, 12.0, 11.0), Block.box(7.0, 3.0, 4.0, 15.0, 12.0, 12.0)
	};
	protected static final VoxelShape[] WEST_AABB = new VoxelShape[]{
		Block.box(1.0, 7.0, 6.0, 5.0, 12.0, 10.0), Block.box(1.0, 5.0, 5.0, 7.0, 12.0, 11.0), Block.box(1.0, 3.0, 4.0, 9.0, 12.0, 12.0)
	};
	protected static final VoxelShape[] NORTH_AABB = new VoxelShape[]{
		Block.box(6.0, 7.0, 1.0, 10.0, 12.0, 5.0), Block.box(5.0, 5.0, 1.0, 11.0, 12.0, 7.0), Block.box(4.0, 3.0, 1.0, 12.0, 12.0, 9.0)
	};
	protected static final VoxelShape[] SOUTH_AABB = new VoxelShape[]{
		Block.box(6.0, 7.0, 11.0, 10.0, 12.0, 15.0), Block.box(5.0, 5.0, 9.0, 11.0, 12.0, 15.0), Block.box(4.0, 3.0, 7.0, 12.0, 12.0, 15.0)
	};

	@Override
	public MapCodec<CocoaBlock> codec() {
		return CODEC;
	}

	public CocoaBlock(BlockBehaviour.Properties properties) {
		super(properties);
		this.registerDefaultState(this.stateDefinition.any().setValue(FACING, Direction.NORTH).setValue(AGE, 0));
	}

	@Override
	protected boolean isRandomlyTicking(BlockState state) {
		return (Integer)state.getValue(AGE) < 2;
	}

	@Override
	protected void randomTick(BlockState state, ServerLevel level, BlockPos pos, RandomSource random) {
		if (level.random.nextInt(5) == 0) {
			int i = (Integer)state.getValue(AGE);
			if (i < 2) {
				level.setBlock(pos, state.setValue(AGE, i + 1), 2);
			}
		}
	}

	@Override
	protected boolean canSurvive(BlockState state, LevelReader level, BlockPos pos) {
		BlockState blockState = level.getBlockState(pos.relative(state.getValue(FACING)));
		return blockState.is(BlockTags.JUNGLE_LOGS);
	}

	@Override
	protected VoxelShape getShape(BlockState state, BlockGetter level, BlockPos pos, CollisionContext context) {
		int i = (Integer)state.getValue(AGE);
		switch ((Direction)state.getValue(FACING)) {
			case SOUTH:
				return SOUTH_AABB[i];
			case NORTH:
			default:
				return NORTH_AABB[i];
			case WEST:
				return WEST_AABB[i];
			case EAST:
				return EAST_AABB[i];
		}
	}

	@Nullable
	@Override
	public BlockState getStateForPlacement(BlockPlaceContext context) {
		BlockState blockState = this.defaultBlockState();
		LevelReader levelReader = context.getLevel();
		BlockPos blockPos = context.getClickedPos();

		for (Direction direction : context.getNearestLookingDirections()) {
			if (direction.getAxis().isHorizontal()) {
				blockState = blockState.setValue(FACING, direction);
				if (blockState.canSurvive(levelReader, blockPos)) {
					return blockState;
				}
			}
		}

		return null;
	}

	@Override
	protected BlockState updateShape(BlockState state, Direction direction, BlockState neighborState, LevelAccessor level, BlockPos pos, BlockPos neighborPos) {
		return direction == state.getValue(FACING) && !state.canSurvive(level, pos)
			? Blocks.AIR.defaultBlockState()
			: super.updateShape(state, direction, neighborState, level, pos, neighborPos);
	}

	@Override
	public boolean isValidBonemealTarget(LevelReader level, BlockPos pos, BlockState state) {
		return (Integer)state.getValue(AGE) < 2;
	}

	@Override
	public boolean isBonemealSuccess(Level level, RandomSource random, BlockPos pos, BlockState state) {
		return true;
	}

	@Override
	public void performBonemeal(ServerLevel level, RandomSource random, BlockPos pos, BlockState state) {
		level.setBlock(pos, state.setValue(AGE, (Integer)state.getValue(AGE) + 1), 2);
	}

	@Override
	protected void createBlockStateDefinition(StateDefinition.Builder<Block, BlockState> builder) {
		builder.add(FACING, AGE);
	}

	@Override
	protected boolean isPathfindable(BlockState state, PathComputationType pathComputationType) {
		return false;
	}
}