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.DyeColor; 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; import net.minecraft.world.level.block.state.properties.EnumProperty; import net.minecraft.world.phys.shapes.CollisionContext; import net.minecraft.world.phys.shapes.Shapes; import net.minecraft.world.phys.shapes.VoxelShape; public class WallBannerBlock extends AbstractBannerBlock { public static final MapCodec CODEC = RecordCodecBuilder.mapCodec( i -> i.group(DyeColor.CODEC.fieldOf("color").forGetter(AbstractBannerBlock::getColor), propertiesCodec()).apply(i, WallBannerBlock::new) ); public static final EnumProperty FACING = HorizontalDirectionalBlock.FACING; private static final Map SHAPES = Shapes.rotateHorizontal(Block.boxZ(16.0, 0.0, 12.5, 14.0, 16.0)); @Override public MapCodec codec() { return CODEC; } public WallBannerBlock(final DyeColor color, final BlockBehaviour.Properties properties) { super(color, properties); this.registerDefaultState(this.stateDefinition.any().setValue(FACING, Direction.NORTH)); } @Override protected boolean canSurvive(final BlockState state, final LevelReader level, final BlockPos pos) { return level.getBlockState(pos.relative(((Direction)state.getValue(FACING)).getOpposite())).isSolid(); } @Override protected BlockState updateShape( final BlockState state, final LevelReader level, final ScheduledTickAccess ticks, final BlockPos pos, final Direction directionToNeighbour, final BlockPos neighbourPos, final BlockState neighbourState, final RandomSource random ) { return directionToNeighbour == ((Direction)state.getValue(FACING)).getOpposite() && !state.canSurvive(level, pos) ? Blocks.AIR.defaultBlockState() : super.updateShape(state, level, ticks, pos, directionToNeighbour, neighbourPos, neighbourState, random); } @Override protected VoxelShape getShape(final BlockState state, final BlockGetter level, final BlockPos pos, final CollisionContext context) { return (VoxelShape)SHAPES.get(state.getValue(FACING)); } @Override public BlockState getStateForPlacement(final BlockPlaceContext context) { BlockState state = this.defaultBlockState(); LevelReader level = context.getLevel(); BlockPos pos = context.getClickedPos(); Direction[] directions = context.getNearestLookingDirections(); for (Direction direction : directions) { if (direction.getAxis().isHorizontal()) { Direction facing = direction.getOpposite(); state = state.setValue(FACING, facing); if (state.canSurvive(level, pos)) { return state; } } } return null; } @Override protected BlockState rotate(final BlockState state, final Rotation rotation) { return state.setValue(FACING, rotation.rotate(state.getValue(FACING))); } @Override protected BlockState mirror(final BlockState state, final Mirror mirror) { return state.rotate(mirror.getRotation(state.getValue(FACING))); } @Override protected void createBlockStateDefinition(final StateDefinition.Builder builder) { builder.add(FACING); } }