minecraft-src/net/minecraft/world/level/block/WallSignBlock.java
2025-07-04 03:45:38 +03:00

115 lines
4.2 KiB
Java

package net.minecraft.world.level.block;
import com.mojang.serialization.MapCodec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import java.util.Map;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.util.RandomSource;
import net.minecraft.world.item.context.BlockPlaceContext;
import net.minecraft.world.level.BlockGetter;
import net.minecraft.world.level.LevelReader;
import net.minecraft.world.level.ScheduledTickAccess;
import net.minecraft.world.level.block.state.BlockBehaviour;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.block.state.StateDefinition.Builder;
import net.minecraft.world.level.block.state.properties.EnumProperty;
import net.minecraft.world.level.block.state.properties.WoodType;
import net.minecraft.world.level.material.FluidState;
import net.minecraft.world.level.material.Fluids;
import net.minecraft.world.phys.Vec3;
import net.minecraft.world.phys.shapes.CollisionContext;
import net.minecraft.world.phys.shapes.Shapes;
import net.minecraft.world.phys.shapes.VoxelShape;
import org.jetbrains.annotations.Nullable;
public class WallSignBlock extends SignBlock {
public static final MapCodec<WallSignBlock> CODEC = RecordCodecBuilder.mapCodec(
instance -> instance.group(WoodType.CODEC.fieldOf("wood_type").forGetter(SignBlock::type), propertiesCodec()).apply(instance, WallSignBlock::new)
);
public static final EnumProperty<Direction> FACING = HorizontalDirectionalBlock.FACING;
private static final Map<Direction, VoxelShape> SHAPES = Shapes.rotateHorizontal(Block.boxZ(16.0, 4.5, 12.5, 14.0, 16.0));
@Override
public MapCodec<WallSignBlock> codec() {
return CODEC;
}
public WallSignBlock(WoodType woodType, BlockBehaviour.Properties properties) {
super(woodType, properties.sound(woodType.soundType()));
this.registerDefaultState(this.stateDefinition.any().setValue(FACING, Direction.NORTH).setValue(WATERLOGGED, false));
}
@Override
protected VoxelShape getShape(BlockState state, BlockGetter level, BlockPos pos, CollisionContext context) {
return (VoxelShape)SHAPES.get(state.getValue(FACING));
}
@Override
protected boolean canSurvive(BlockState state, LevelReader level, BlockPos pos) {
return level.getBlockState(pos.relative(((Direction)state.getValue(FACING)).getOpposite())).isSolid();
}
@Nullable
@Override
public BlockState getStateForPlacement(BlockPlaceContext context) {
BlockState blockState = this.defaultBlockState();
FluidState fluidState = context.getLevel().getFluidState(context.getClickedPos());
LevelReader levelReader = context.getLevel();
BlockPos blockPos = context.getClickedPos();
Direction[] directions = context.getNearestLookingDirections();
for (Direction direction : directions) {
if (direction.getAxis().isHorizontal()) {
Direction direction2 = direction.getOpposite();
blockState = blockState.setValue(FACING, direction2);
if (blockState.canSurvive(levelReader, blockPos)) {
return blockState.setValue(WATERLOGGED, fluidState.getType() == Fluids.WATER);
}
}
}
return null;
}
@Override
protected BlockState updateShape(
BlockState state,
LevelReader level,
ScheduledTickAccess scheduledTickAccess,
BlockPos pos,
Direction direction,
BlockPos neighborPos,
BlockState neighborState,
RandomSource random
) {
return direction.getOpposite() == state.getValue(FACING) && !state.canSurvive(level, pos)
? Blocks.AIR.defaultBlockState()
: super.updateShape(state, level, scheduledTickAccess, pos, direction, neighborPos, neighborState, random);
}
@Override
public float getYRotationDegrees(BlockState state) {
return ((Direction)state.getValue(FACING)).toYRot();
}
@Override
public Vec3 getSignHitboxCenterPosition(BlockState state) {
return ((VoxelShape)SHAPES.get(state.getValue(FACING))).bounds().getCenter();
}
@Override
protected BlockState rotate(BlockState state, Rotation rotation) {
return state.setValue(FACING, rotation.rotate(state.getValue(FACING)));
}
@Override
protected BlockState mirror(BlockState state, Mirror mirror) {
return state.rotate(mirror.getRotation(state.getValue(FACING)));
}
@Override
protected void createBlockStateDefinition(Builder<Block, BlockState> builder) {
builder.add(FACING, WATERLOGGED);
}
}