118 lines
4 KiB
Java
118 lines
4 KiB
Java
package net.minecraft.world.level.block;
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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.Optional;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Holder;
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import net.minecraft.core.registries.Registries;
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import net.minecraft.resources.ResourceKey;
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import net.minecraft.server.level.ServerLevel;
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import net.minecraft.tags.BlockTags;
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import net.minecraft.util.RandomSource;
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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.LevelReader;
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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.levelgen.feature.ConfiguredFeature;
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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 MushroomBlock extends VegetationBlock implements BonemealableBlock {
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public static final MapCodec<MushroomBlock> CODEC = RecordCodecBuilder.mapCodec(
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instance -> instance.group(
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ResourceKey.codec(Registries.CONFIGURED_FEATURE).fieldOf("feature").forGetter(mushroomBlock -> mushroomBlock.feature), propertiesCodec()
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)
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.apply(instance, MushroomBlock::new)
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);
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private static final VoxelShape SHAPE = Block.column(6.0, 0.0, 6.0);
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private final ResourceKey<ConfiguredFeature<?, ?>> feature;
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@Override
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public MapCodec<MushroomBlock> codec() {
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return CODEC;
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}
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public MushroomBlock(ResourceKey<ConfiguredFeature<?, ?>> feature, BlockBehaviour.Properties properties) {
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super(properties);
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this.feature = feature;
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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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protected void randomTick(BlockState state, ServerLevel level, BlockPos pos, RandomSource random) {
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if (random.nextInt(25) == 0) {
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int i = 5;
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int j = 4;
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for (BlockPos blockPos : BlockPos.betweenClosed(pos.offset(-4, -1, -4), pos.offset(4, 1, 4))) {
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if (level.getBlockState(blockPos).is(this)) {
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if (--i <= 0) {
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return;
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}
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}
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}
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BlockPos blockPos2 = pos.offset(random.nextInt(3) - 1, random.nextInt(2) - random.nextInt(2), random.nextInt(3) - 1);
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for (int k = 0; k < 4; k++) {
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if (level.isEmptyBlock(blockPos2) && state.canSurvive(level, blockPos2)) {
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pos = blockPos2;
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}
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blockPos2 = pos.offset(random.nextInt(3) - 1, random.nextInt(2) - random.nextInt(2), random.nextInt(3) - 1);
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}
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if (level.isEmptyBlock(blockPos2) && state.canSurvive(level, blockPos2)) {
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level.setBlock(blockPos2, state, 2);
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}
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}
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}
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@Override
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protected boolean mayPlaceOn(BlockState state, BlockGetter level, BlockPos pos) {
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return state.isSolidRender();
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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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BlockPos blockPos = pos.below();
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BlockState blockState = level.getBlockState(blockPos);
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return blockState.is(BlockTags.MUSHROOM_GROW_BLOCK) ? true : level.getRawBrightness(pos, 0) < 13 && this.mayPlaceOn(blockState, level, blockPos);
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}
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public boolean growMushroom(ServerLevel level, BlockPos pos, BlockState state, RandomSource random) {
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Optional<? extends Holder<ConfiguredFeature<?, ?>>> optional = level.registryAccess().lookupOrThrow(Registries.CONFIGURED_FEATURE).get(this.feature);
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if (optional.isEmpty()) {
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return false;
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} else {
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level.removeBlock(pos, false);
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if (((ConfiguredFeature)((Holder)optional.get()).value()).place(level, level.getChunkSource().getGenerator(), random, pos)) {
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return true;
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} else {
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level.setBlock(pos, state, 3);
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return false;
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}
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}
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}
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@Override
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public boolean isValidBonemealTarget(LevelReader level, BlockPos pos, BlockState state) {
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return true;
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}
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@Override
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public boolean isBonemealSuccess(Level level, RandomSource random, BlockPos pos, BlockState state) {
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return random.nextFloat() < 0.4;
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}
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@Override
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public void performBonemeal(ServerLevel level, RandomSource random, BlockPos pos, BlockState state) {
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this.growMushroom(level, pos, state, random);
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}
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}
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