33 lines
1.5 KiB
Java
33 lines
1.5 KiB
Java
package net.minecraft.world.level.levelgen.placement;
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import net.minecraft.world.level.levelgen.feature.configurations.DecoratorConfiguration;
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import net.minecraft.world.level.levelgen.Heightmap;
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import java.util.stream.Stream;
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import net.minecraft.core.BlockPos;
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import java.util.Random;
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import net.minecraft.world.level.levelgen.ChunkGeneratorSettings;
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import net.minecraft.world.level.chunk.ChunkGenerator;
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import net.minecraft.world.level.LevelAccessor;
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import com.mojang.datafixers.Dynamic;
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import java.util.function.Function;
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public class ChanceHeightmapDoubleDecorator extends FeatureDecorator<ChanceDecoratorConfiguration> {
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public ChanceHeightmapDoubleDecorator(final Function<Dynamic<?>, ? extends ChanceDecoratorConfiguration> function) {
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super(function);
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}
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@Override
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public Stream<BlockPos> getPositions(final LevelAccessor bju, final ChunkGenerator<? extends ChunkGeneratorSettings> bzx, final Random random, final ChanceDecoratorConfiguration cja, final BlockPos fk) {
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if (random.nextFloat() >= 1.0f / cja.chance) {
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return Stream.<BlockPos>empty();
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}
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final int integer7 = random.nextInt(16) + fk.getX();
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final int integer8 = random.nextInt(16) + fk.getZ();
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final int integer9 = bju.getHeight(Heightmap.Types.MOTION_BLOCKING, integer7, integer8) * 2;
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if (integer9 <= 0) {
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return Stream.<BlockPos>empty();
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}
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return Stream.<BlockPos>of(new BlockPos(integer7, random.nextInt(integer9), integer8));
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}
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}
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