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

125 lines
4.6 KiB
Java

package net.minecraft.world.level.block;
import com.mojang.serialization.MapCodec;
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.BlockStateProperties;
import net.minecraft.world.level.block.state.properties.BooleanProperty;
import net.minecraft.world.level.block.state.properties.EnumProperty;
import net.minecraft.world.level.material.FluidState;
import net.minecraft.world.level.material.Fluids;
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 LadderBlock extends Block implements SimpleWaterloggedBlock {
public static final MapCodec<LadderBlock> CODEC = simpleCodec(LadderBlock::new);
public static final EnumProperty<Direction> FACING = HorizontalDirectionalBlock.FACING;
public static final BooleanProperty WATERLOGGED = BlockStateProperties.WATERLOGGED;
public static final Map<Direction, VoxelShape> SHAPES = Shapes.rotateHorizontal(Block.boxZ(16.0, 13.0, 16.0));
@Override
public MapCodec<LadderBlock> codec() {
return CODEC;
}
protected LadderBlock(BlockBehaviour.Properties properties) {
super(properties);
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));
}
private boolean canAttachTo(BlockGetter blockReader, BlockPos pos, Direction direction) {
BlockState blockState = blockReader.getBlockState(pos);
return blockState.isFaceSturdy(blockReader, pos, direction);
}
@Override
protected boolean canSurvive(BlockState state, LevelReader level, BlockPos pos) {
Direction direction = state.getValue(FACING);
return this.canAttachTo(level, pos.relative(direction.getOpposite()), direction);
}
@Override
protected BlockState updateShape(
BlockState state,
LevelReader level,
ScheduledTickAccess scheduledTickAccess,
BlockPos pos,
Direction direction,
BlockPos neighborPos,
BlockState neighborState,
RandomSource random
) {
if (direction.getOpposite() == state.getValue(FACING) && !state.canSurvive(level, pos)) {
return Blocks.AIR.defaultBlockState();
} else {
if ((Boolean)state.getValue(WATERLOGGED)) {
scheduledTickAccess.scheduleTick(pos, Fluids.WATER, Fluids.WATER.getTickDelay(level));
}
return super.updateShape(state, level, scheduledTickAccess, pos, direction, neighborPos, neighborState, random);
}
}
@Nullable
@Override
public BlockState getStateForPlacement(BlockPlaceContext context) {
if (!context.replacingClickedOnBlock()) {
BlockState blockState = context.getLevel().getBlockState(context.getClickedPos().relative(context.getClickedFace().getOpposite()));
if (blockState.is(this) && blockState.getValue(FACING) == context.getClickedFace()) {
return null;
}
}
BlockState blockState = this.defaultBlockState();
LevelReader levelReader = context.getLevel();
BlockPos blockPos = context.getClickedPos();
FluidState fluidState = context.getLevel().getFluidState(context.getClickedPos());
for (Direction direction : context.getNearestLookingDirections()) {
if (direction.getAxis().isHorizontal()) {
blockState = blockState.setValue(FACING, direction.getOpposite());
if (blockState.canSurvive(levelReader, blockPos)) {
return blockState.setValue(WATERLOGGED, fluidState.getType() == Fluids.WATER);
}
}
}
return null;
}
@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);
}
@Override
protected FluidState getFluidState(BlockState state) {
return state.getValue(WATERLOGGED) ? Fluids.WATER.getSource(false) : super.getFluidState(state);
}
}