38 lines
1.4 KiB
Java
38 lines
1.4 KiB
Java
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package net.minecraft.world.level.levelgen.placement;
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import com.mojang.serialization.MapCodec;
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import com.mojang.serialization.codecs.RecordCodecBuilder;
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import com.mojang.serialization.codecs.RecordCodecBuilder.Instance;
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import java.util.stream.Stream;
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import net.minecraft.core.BlockPos;
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import net.minecraft.util.RandomSource;
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import net.minecraft.world.level.levelgen.Heightmap;
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public class HeightmapPlacement extends PlacementModifier {
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public static final MapCodec<HeightmapPlacement> CODEC = RecordCodecBuilder.mapCodec(
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p_191701_ -> p_191701_.group(Heightmap.Types.CODEC.fieldOf("heightmap").forGetter(p_191705_ -> p_191705_.heightmap))
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.apply(p_191701_, HeightmapPlacement::new)
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);
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private final Heightmap.Types heightmap;
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private HeightmapPlacement(Heightmap.Types p_191699_) {
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this.heightmap = p_191699_;
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}
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public static HeightmapPlacement onHeightmap(Heightmap.Types p_191703_) {
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return new HeightmapPlacement(p_191703_);
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}
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@Override
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public Stream<BlockPos> getPositions(PlacementContext p_226344_, RandomSource p_226345_, BlockPos p_226346_) {
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int i = p_226346_.getX();
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int j = p_226346_.getZ();
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int k = p_226344_.getHeight(this.heightmap, i, j);
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return k > p_226344_.getMinY() ? Stream.of(new BlockPos(i, k, j)) : Stream.of();
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}
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@Override
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public PlacementModifierType<?> type() {
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return PlacementModifierType.HEIGHTMAP;
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}
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}
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