minecraft-source/src/net/minecraft/world/level/levelgen/placement/ChanceHeightmapDoubleDecora...

33 lines
1.5 KiB
Java

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