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

170 lines
7.4 KiB
Java

package net.minecraft.world.level.block;
import com.mojang.serialization.MapCodec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import java.util.Map;
import java.util.Optional;
import java.util.Map.Entry;
import java.util.stream.Collectors;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.tags.BlockTags;
import net.minecraft.util.RandomSource;
import net.minecraft.world.InteractionHand;
import net.minecraft.world.InteractionResult;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.item.HangingSignItem;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.context.BlockPlaceContext;
import net.minecraft.world.level.BlockGetter;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.LevelReader;
import net.minecraft.world.level.ScheduledTickAccess;
import net.minecraft.world.level.block.entity.BlockEntity;
import net.minecraft.world.level.block.entity.BlockEntityTicker;
import net.minecraft.world.level.block.entity.BlockEntityType;
import net.minecraft.world.level.block.entity.HangingSignBlockEntity;
import net.minecraft.world.level.block.entity.SignBlockEntity;
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.IntegerProperty;
import net.minecraft.world.level.block.state.properties.RotationSegment;
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.BlockHitResult;
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 CeilingHangingSignBlock extends SignBlock {
public static final MapCodec<CeilingHangingSignBlock> CODEC = RecordCodecBuilder.mapCodec(
instance -> instance.group(WoodType.CODEC.fieldOf("wood_type").forGetter(SignBlock::type), propertiesCodec()).apply(instance, CeilingHangingSignBlock::new)
);
public static final IntegerProperty ROTATION = BlockStateProperties.ROTATION_16;
public static final BooleanProperty ATTACHED = BlockStateProperties.ATTACHED;
private static final VoxelShape SHAPE_DEFAULT = Block.column(10.0, 0.0, 16.0);
private static final Map<Integer, VoxelShape> SHAPES = (Map<Integer, VoxelShape>)Shapes.rotateHorizontal(Block.column(14.0, 2.0, 0.0, 10.0))
.entrySet()
.stream()
.collect(Collectors.toMap(entry -> RotationSegment.convertToSegment((Direction)entry.getKey()), Entry::getValue));
@Override
public MapCodec<CeilingHangingSignBlock> codec() {
return CODEC;
}
public CeilingHangingSignBlock(WoodType woodType, BlockBehaviour.Properties properties) {
super(woodType, properties.sound(woodType.hangingSignSoundType()));
this.registerDefaultState(this.stateDefinition.any().setValue(ROTATION, 0).setValue(ATTACHED, false).setValue(WATERLOGGED, false));
}
@Override
protected InteractionResult useItemOn(
ItemStack stack, BlockState state, Level level, BlockPos pos, Player player, InteractionHand hand, BlockHitResult hitResult
) {
return (InteractionResult)(level.getBlockEntity(pos) instanceof SignBlockEntity signBlockEntity
&& this.shouldTryToChainAnotherHangingSign(player, hitResult, signBlockEntity, stack)
? InteractionResult.PASS
: super.useItemOn(stack, state, level, pos, player, hand, hitResult));
}
private boolean shouldTryToChainAnotherHangingSign(Player player, BlockHitResult hitResult, SignBlockEntity sign, ItemStack stack) {
return !sign.canExecuteClickCommands(sign.isFacingFrontText(player), player)
&& stack.getItem() instanceof HangingSignItem
&& hitResult.getDirection().equals(Direction.DOWN);
}
@Override
protected boolean canSurvive(BlockState state, LevelReader level, BlockPos pos) {
return level.getBlockState(pos.above()).isFaceSturdy(level, pos.above(), Direction.DOWN, SupportType.CENTER);
}
@Override
public BlockState getStateForPlacement(BlockPlaceContext context) {
Level level = context.getLevel();
FluidState fluidState = level.getFluidState(context.getClickedPos());
BlockPos blockPos = context.getClickedPos().above();
BlockState blockState = level.getBlockState(blockPos);
boolean bl = blockState.is(BlockTags.ALL_HANGING_SIGNS);
Direction direction = Direction.fromYRot(context.getRotation());
boolean bl2 = !Block.isFaceFull(blockState.getCollisionShape(level, blockPos), Direction.DOWN) || context.isSecondaryUseActive();
if (bl && !context.isSecondaryUseActive()) {
if (blockState.hasProperty(WallHangingSignBlock.FACING)) {
Direction direction2 = blockState.getValue(WallHangingSignBlock.FACING);
if (direction2.getAxis().test(direction)) {
bl2 = false;
}
} else if (blockState.hasProperty(ROTATION)) {
Optional<Direction> optional = RotationSegment.convertToDirection((Integer)blockState.getValue(ROTATION));
if (optional.isPresent() && ((Direction)optional.get()).getAxis().test(direction)) {
bl2 = false;
}
}
}
int i = !bl2 ? RotationSegment.convertToSegment(direction.getOpposite()) : RotationSegment.convertToSegment(context.getRotation() + 180.0F);
return this.defaultBlockState().setValue(ATTACHED, bl2).setValue(ROTATION, i).setValue(WATERLOGGED, fluidState.getType() == Fluids.WATER);
}
@Override
protected VoxelShape getShape(BlockState state, BlockGetter level, BlockPos pos, CollisionContext context) {
return (VoxelShape)SHAPES.getOrDefault(state.getValue(ROTATION), SHAPE_DEFAULT);
}
@Override
protected VoxelShape getBlockSupportShape(BlockState state, BlockGetter level, BlockPos pos) {
return this.getShape(state, level, pos, CollisionContext.empty());
}
@Override
protected BlockState updateShape(
BlockState state,
LevelReader level,
ScheduledTickAccess scheduledTickAccess,
BlockPos pos,
Direction direction,
BlockPos neighborPos,
BlockState neighborState,
RandomSource random
) {
return direction == Direction.UP && !this.canSurvive(state, level, pos)
? Blocks.AIR.defaultBlockState()
: super.updateShape(state, level, scheduledTickAccess, pos, direction, neighborPos, neighborState, random);
}
@Override
public float getYRotationDegrees(BlockState state) {
return RotationSegment.convertToDegrees((Integer)state.getValue(ROTATION));
}
@Override
protected BlockState rotate(BlockState state, Rotation rotation) {
return state.setValue(ROTATION, rotation.rotate((Integer)state.getValue(ROTATION), 16));
}
@Override
protected BlockState mirror(BlockState state, Mirror mirror) {
return state.setValue(ROTATION, mirror.mirror((Integer)state.getValue(ROTATION), 16));
}
@Override
protected void createBlockStateDefinition(Builder<Block, BlockState> builder) {
builder.add(ROTATION, ATTACHED, WATERLOGGED);
}
@Override
public BlockEntity newBlockEntity(BlockPos pos, BlockState state) {
return new HangingSignBlockEntity(pos, state);
}
@Nullable
@Override
public <T extends BlockEntity> BlockEntityTicker<T> getTicker(Level level, BlockState state, BlockEntityType<T> blockEntityType) {
return createTickerHelper(blockEntityType, BlockEntityType.HANGING_SIGN, SignBlockEntity::tick);
}
}