minecraft-src/net/minecraft/world/level/block/WallSignBlock.java
2025-07-04 01:41:11 +03:00

126 lines
4.6 KiB
Java

package net.minecraft.world.level.block;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Maps;
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.world.item.context.BlockPlaceContext;
import net.minecraft.world.level.BlockGetter;
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.DirectionProperty;
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.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 DirectionProperty FACING = HorizontalDirectionalBlock.FACING;
protected static final float AABB_THICKNESS = 2.0F;
protected static final float AABB_BOTTOM = 4.5F;
protected static final float AABB_TOP = 12.5F;
private static final Map<Direction, VoxelShape> AABBS = Maps.newEnumMap(
ImmutableMap.of(
Direction.NORTH,
Block.box(0.0, 4.5, 14.0, 16.0, 12.5, 16.0),
Direction.SOUTH,
Block.box(0.0, 4.5, 0.0, 16.0, 12.5, 2.0),
Direction.EAST,
Block.box(0.0, 4.5, 0.0, 2.0, 12.5, 16.0),
Direction.WEST,
Block.box(14.0, 4.5, 0.0, 16.0, 12.5, 16.0)
)
);
@Override
public MapCodec<WallSignBlock> codec() {
return CODEC;
}
public WallSignBlock(WoodType type, BlockBehaviour.Properties properties) {
super(type, properties.sound(type.soundType()));
this.registerDefaultState(this.stateDefinition.any().setValue(FACING, Direction.NORTH).setValue(WATERLOGGED, false));
}
@Override
public String getDescriptionId() {
return this.asItem().getDescriptionId();
}
@Override
protected VoxelShape getShape(BlockState state, BlockGetter level, BlockPos pos, CollisionContext context) {
return (VoxelShape)AABBS.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, Direction direction, BlockState neighborState, LevelAccessor level, BlockPos pos, BlockPos neighborPos) {
return direction.getOpposite() == state.getValue(FACING) && !state.canSurvive(level, pos)
? Blocks.AIR.defaultBlockState()
: super.updateShape(state, direction, neighborState, level, pos, neighborPos);
}
@Override
public float getYRotationDegrees(BlockState state) {
return ((Direction)state.getValue(FACING)).toYRot();
}
@Override
public Vec3 getSignHitboxCenterPosition(BlockState state) {
VoxelShape voxelShape = (VoxelShape)AABBS.get(state.getValue(FACING));
return voxelShape.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(StateDefinition.Builder<Block, BlockState> builder) {
builder.add(FACING, WATERLOGGED);
}
}