185 lines
7.9 KiB
Java
185 lines
7.9 KiB
Java
package net.minecraft.world.level.block;
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import com.google.common.collect.ImmutableMap;
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import com.google.common.collect.Maps;
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import com.mojang.serialization.MapCodec;
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import com.mojang.serialization.codecs.RecordCodecBuilder;
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import java.util.Map;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Direction;
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import net.minecraft.tags.BlockTags;
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import net.minecraft.world.InteractionHand;
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import net.minecraft.world.ItemInteractionResult;
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import net.minecraft.world.entity.player.Player;
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import net.minecraft.world.item.HangingSignItem;
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import net.minecraft.world.item.ItemStack;
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import net.minecraft.world.item.context.BlockPlaceContext;
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import net.minecraft.world.level.BlockGetter;
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import net.minecraft.world.level.Level;
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import net.minecraft.world.level.LevelAccessor;
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import net.minecraft.world.level.LevelReader;
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import net.minecraft.world.level.block.entity.BlockEntity;
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import net.minecraft.world.level.block.entity.BlockEntityTicker;
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import net.minecraft.world.level.block.entity.BlockEntityType;
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import net.minecraft.world.level.block.entity.HangingSignBlockEntity;
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import net.minecraft.world.level.block.entity.SignBlockEntity;
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import net.minecraft.world.level.block.state.BlockBehaviour;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.level.block.state.StateDefinition;
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import net.minecraft.world.level.block.state.properties.DirectionProperty;
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import net.minecraft.world.level.block.state.properties.WoodType;
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import net.minecraft.world.level.material.FluidState;
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import net.minecraft.world.level.material.Fluids;
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import net.minecraft.world.level.pathfinder.PathComputationType;
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import net.minecraft.world.phys.BlockHitResult;
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import net.minecraft.world.phys.shapes.CollisionContext;
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import net.minecraft.world.phys.shapes.Shapes;
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import net.minecraft.world.phys.shapes.VoxelShape;
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import org.jetbrains.annotations.Nullable;
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public class WallHangingSignBlock extends SignBlock {
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public static final MapCodec<WallHangingSignBlock> CODEC = RecordCodecBuilder.mapCodec(
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instance -> instance.group(WoodType.CODEC.fieldOf("wood_type").forGetter(SignBlock::type), propertiesCodec()).apply(instance, WallHangingSignBlock::new)
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);
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public static final DirectionProperty FACING = HorizontalDirectionalBlock.FACING;
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public static final VoxelShape PLANK_NORTHSOUTH = Block.box(0.0, 14.0, 6.0, 16.0, 16.0, 10.0);
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public static final VoxelShape PLANK_EASTWEST = Block.box(6.0, 14.0, 0.0, 10.0, 16.0, 16.0);
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public static final VoxelShape SHAPE_NORTHSOUTH = Shapes.or(PLANK_NORTHSOUTH, Block.box(1.0, 0.0, 7.0, 15.0, 10.0, 9.0));
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public static final VoxelShape SHAPE_EASTWEST = Shapes.or(PLANK_EASTWEST, Block.box(7.0, 0.0, 1.0, 9.0, 10.0, 15.0));
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private static final Map<Direction, VoxelShape> AABBS = Maps.newEnumMap(
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ImmutableMap.of(Direction.NORTH, SHAPE_NORTHSOUTH, Direction.SOUTH, SHAPE_NORTHSOUTH, Direction.EAST, SHAPE_EASTWEST, Direction.WEST, SHAPE_EASTWEST)
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);
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@Override
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public MapCodec<WallHangingSignBlock> codec() {
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return CODEC;
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}
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public WallHangingSignBlock(WoodType type, BlockBehaviour.Properties properties) {
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super(type, properties.sound(type.hangingSignSoundType()));
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this.registerDefaultState(this.stateDefinition.any().setValue(FACING, Direction.NORTH).setValue(WATERLOGGED, false));
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}
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@Override
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protected ItemInteractionResult useItemOn(
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ItemStack stack, BlockState state, Level level, BlockPos pos, Player player, InteractionHand hand, BlockHitResult hitResult
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) {
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return level.getBlockEntity(pos) instanceof SignBlockEntity signBlockEntity
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&& this.shouldTryToChainAnotherHangingSign(state, player, hitResult, signBlockEntity, stack)
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? ItemInteractionResult.SKIP_DEFAULT_BLOCK_INTERACTION
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: super.useItemOn(stack, state, level, pos, player, hand, hitResult);
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}
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private boolean shouldTryToChainAnotherHangingSign(BlockState state, Player player, BlockHitResult hitResult, SignBlockEntity sign, ItemStack stack) {
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return !sign.canExecuteClickCommands(sign.isFacingFrontText(player), player)
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&& stack.getItem() instanceof HangingSignItem
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&& !this.isHittingEditableSide(hitResult, state);
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}
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private boolean isHittingEditableSide(BlockHitResult hitResult, BlockState state) {
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return hitResult.getDirection().getAxis() == ((Direction)state.getValue(FACING)).getAxis();
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}
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@Override
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public String getDescriptionId() {
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return this.asItem().getDescriptionId();
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}
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@Override
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protected VoxelShape getShape(BlockState state, BlockGetter level, BlockPos pos, CollisionContext context) {
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return (VoxelShape)AABBS.get(state.getValue(FACING));
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}
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@Override
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protected VoxelShape getBlockSupportShape(BlockState state, BlockGetter level, BlockPos pos) {
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return this.getShape(state, level, pos, CollisionContext.empty());
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}
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@Override
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protected VoxelShape getCollisionShape(BlockState state, BlockGetter level, BlockPos pos, CollisionContext context) {
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switch ((Direction)state.getValue(FACING)) {
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case EAST:
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case WEST:
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return PLANK_EASTWEST;
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default:
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return PLANK_NORTHSOUTH;
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}
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}
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public boolean canPlace(BlockState state, LevelReader level, BlockPos pos) {
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Direction direction = ((Direction)state.getValue(FACING)).getClockWise();
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Direction direction2 = ((Direction)state.getValue(FACING)).getCounterClockWise();
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return this.canAttachTo(level, state, pos.relative(direction), direction2) || this.canAttachTo(level, state, pos.relative(direction2), direction);
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}
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public boolean canAttachTo(LevelReader level, BlockState state, BlockPos pos, Direction direction) {
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BlockState blockState = level.getBlockState(pos);
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return blockState.is(BlockTags.WALL_HANGING_SIGNS)
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? ((Direction)blockState.getValue(FACING)).getAxis().test(state.getValue(FACING))
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: blockState.isFaceSturdy(level, pos, direction, SupportType.FULL);
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}
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@Nullable
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@Override
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public BlockState getStateForPlacement(BlockPlaceContext context) {
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BlockState blockState = this.defaultBlockState();
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FluidState fluidState = context.getLevel().getFluidState(context.getClickedPos());
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LevelReader levelReader = context.getLevel();
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BlockPos blockPos = context.getClickedPos();
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for (Direction direction : context.getNearestLookingDirections()) {
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if (direction.getAxis().isHorizontal() && !direction.getAxis().test(context.getClickedFace())) {
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Direction direction2 = direction.getOpposite();
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blockState = blockState.setValue(FACING, direction2);
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if (blockState.canSurvive(levelReader, blockPos) && this.canPlace(blockState, levelReader, blockPos)) {
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return blockState.setValue(WATERLOGGED, fluidState.getType() == Fluids.WATER);
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}
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}
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}
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return null;
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}
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@Override
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protected BlockState updateShape(BlockState state, Direction direction, BlockState neighborState, LevelAccessor level, BlockPos pos, BlockPos neighborPos) {
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return direction.getAxis() == ((Direction)state.getValue(FACING)).getClockWise().getAxis() && !state.canSurvive(level, pos)
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? Blocks.AIR.defaultBlockState()
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: super.updateShape(state, direction, neighborState, level, pos, neighborPos);
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}
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@Override
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public float getYRotationDegrees(BlockState state) {
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return ((Direction)state.getValue(FACING)).toYRot();
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}
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@Override
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protected BlockState rotate(BlockState state, Rotation rotation) {
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return state.setValue(FACING, rotation.rotate(state.getValue(FACING)));
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}
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@Override
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protected BlockState mirror(BlockState state, Mirror mirror) {
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return state.rotate(mirror.getRotation(state.getValue(FACING)));
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}
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@Override
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protected void createBlockStateDefinition(StateDefinition.Builder<Block, BlockState> builder) {
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builder.add(FACING, WATERLOGGED);
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}
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@Override
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public BlockEntity newBlockEntity(BlockPos pos, BlockState state) {
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return new HangingSignBlockEntity(pos, state);
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}
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@Override
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protected boolean isPathfindable(BlockState state, PathComputationType pathComputationType) {
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return false;
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}
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@Nullable
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@Override
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public <T extends BlockEntity> BlockEntityTicker<T> getTicker(Level level, BlockState state, BlockEntityType<T> blockEntityType) {
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return createTickerHelper(blockEntityType, BlockEntityType.HANGING_SIGN, SignBlockEntity::tick);
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}
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}
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