92 lines
3.4 KiB
Java
92 lines
3.4 KiB
Java
package net.minecraft.world.level.block;
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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.util.RandomSource;
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import net.minecraft.world.item.DyeColor;
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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.LevelReader;
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import net.minecraft.world.level.ScheduledTickAccess;
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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.BlockStateProperties;
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import net.minecraft.world.level.block.state.properties.IntegerProperty;
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import net.minecraft.world.level.block.state.properties.RotationSegment;
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import net.minecraft.world.phys.shapes.CollisionContext;
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import net.minecraft.world.phys.shapes.VoxelShape;
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public class BannerBlock extends AbstractBannerBlock {
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public static final MapCodec<BannerBlock> CODEC = RecordCodecBuilder.mapCodec(
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instance -> instance.group(DyeColor.CODEC.fieldOf("color").forGetter(AbstractBannerBlock::getColor), propertiesCodec()).apply(instance, BannerBlock::new)
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);
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public static final IntegerProperty ROTATION = BlockStateProperties.ROTATION_16;
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private static final Map<DyeColor, Block> BY_COLOR = Maps.<DyeColor, Block>newHashMap();
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private static final VoxelShape SHAPE = Block.column(8.0, 0.0, 16.0);
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@Override
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public MapCodec<BannerBlock> codec() {
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return CODEC;
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}
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public BannerBlock(DyeColor color, BlockBehaviour.Properties properties) {
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super(color, properties);
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this.registerDefaultState(this.stateDefinition.any().setValue(ROTATION, 0));
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BY_COLOR.put(color, this);
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}
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@Override
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protected boolean canSurvive(BlockState state, LevelReader level, BlockPos pos) {
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return level.getBlockState(pos.below()).isSolid();
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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 SHAPE;
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}
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@Override
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public BlockState getStateForPlacement(BlockPlaceContext context) {
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return this.defaultBlockState().setValue(ROTATION, RotationSegment.convertToSegment(context.getRotation() + 180.0F));
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}
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@Override
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protected BlockState updateShape(
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BlockState state,
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LevelReader level,
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ScheduledTickAccess scheduledTickAccess,
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BlockPos pos,
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Direction direction,
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BlockPos neighborPos,
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BlockState neighborState,
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RandomSource random
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) {
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return direction == Direction.DOWN && !state.canSurvive(level, pos)
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? Blocks.AIR.defaultBlockState()
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: super.updateShape(state, level, scheduledTickAccess, pos, direction, neighborPos, neighborState, random);
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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(ROTATION, rotation.rotate((Integer)state.getValue(ROTATION), 16));
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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.setValue(ROTATION, mirror.mirror((Integer)state.getValue(ROTATION), 16));
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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(ROTATION);
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}
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public static Block byColor(DyeColor color) {
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return (Block)BY_COLOR.getOrDefault(color, Blocks.WHITE_BANNER);
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}
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}
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