51 lines
1.9 KiB
Java
51 lines
1.9 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.List;
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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.core.SectionPos;
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import net.minecraft.util.RandomSource;
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public class FixedPlacement extends PlacementModifier {
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public static final MapCodec<FixedPlacement> CODEC = RecordCodecBuilder.mapCodec(
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p_344809_ -> p_344809_.group(BlockPos.CODEC.listOf().fieldOf("positions").forGetter(p_343370_ -> p_343370_.positions))
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.apply(p_344809_, FixedPlacement::new)
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);
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private final List<BlockPos> positions;
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public static FixedPlacement of(BlockPos... p_345428_) {
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return new FixedPlacement(List.of(p_345428_));
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}
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private FixedPlacement(List<BlockPos> p_345049_) {
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this.positions = p_345049_;
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}
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@Override
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public Stream<BlockPos> getPositions(PlacementContext p_344778_, RandomSource p_344099_, BlockPos p_342746_) {
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int i = SectionPos.blockToSectionCoord(p_342746_.getX());
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int j = SectionPos.blockToSectionCoord(p_342746_.getZ());
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boolean flag = false;
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for (BlockPos blockpos : this.positions) {
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if (isSameChunk(i, j, blockpos)) {
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flag = true;
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break;
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}
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}
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return !flag ? Stream.empty() : this.positions.stream().filter(p_344119_ -> isSameChunk(i, j, p_344119_));
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}
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private static boolean isSameChunk(int p_342720_, int p_343562_, BlockPos p_342803_) {
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return p_342720_ == SectionPos.blockToSectionCoord(p_342803_.getX()) && p_343562_ == SectionPos.blockToSectionCoord(p_342803_.getZ());
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}
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@Override
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public PlacementModifierType<?> type() {
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return PlacementModifierType.FIXED_PLACEMENT;
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}
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}
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