59 lines
2.8 KiB
Java
59 lines
2.8 KiB
Java
package net.minecraft.world.level.levelgen;
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import com.mojang.serialization.Codec;
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import com.mojang.serialization.DataResult;
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import com.mojang.serialization.codecs.RecordCodecBuilder;
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import java.util.function.Function;
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import net.minecraft.core.QuartPos;
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import net.minecraft.world.level.LevelHeightAccessor;
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import net.minecraft.world.level.dimension.DimensionType;
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public record NoiseSettings(int minY, int height, int noiseSizeHorizontal, int noiseSizeVertical) {
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public static final Codec<NoiseSettings> CODEC = RecordCodecBuilder.create(
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instance -> instance.group(
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Codec.intRange(DimensionType.MIN_Y, DimensionType.MAX_Y).fieldOf("min_y").forGetter(NoiseSettings::minY),
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Codec.intRange(0, DimensionType.Y_SIZE).fieldOf("height").forGetter(NoiseSettings::height),
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Codec.intRange(1, 4).fieldOf("size_horizontal").forGetter(NoiseSettings::noiseSizeHorizontal),
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Codec.intRange(1, 4).fieldOf("size_vertical").forGetter(NoiseSettings::noiseSizeVertical)
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)
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.apply(instance, NoiseSettings::new)
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)
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.comapFlatMap(NoiseSettings::guardY, Function.identity());
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protected static final NoiseSettings OVERWORLD_NOISE_SETTINGS = create(-64, 384, 1, 2);
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protected static final NoiseSettings NETHER_NOISE_SETTINGS = create(0, 128, 1, 2);
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protected static final NoiseSettings END_NOISE_SETTINGS = create(0, 128, 2, 1);
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protected static final NoiseSettings CAVES_NOISE_SETTINGS = create(-64, 192, 1, 2);
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protected static final NoiseSettings FLOATING_ISLANDS_NOISE_SETTINGS = create(0, 256, 2, 1);
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private static DataResult<NoiseSettings> guardY(NoiseSettings settings) {
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if (settings.minY() + settings.height() > DimensionType.MAX_Y + 1) {
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return DataResult.error(() -> "min_y + height cannot be higher than: " + (DimensionType.MAX_Y + 1));
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} else if (settings.height() % 16 != 0) {
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return DataResult.error(() -> "height has to be a multiple of 16");
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} else {
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return settings.minY() % 16 != 0 ? DataResult.error(() -> "min_y has to be a multiple of 16") : DataResult.success(settings);
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}
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}
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public static NoiseSettings create(int minY, int height, int noiseSizeHorizontal, int noiseSizeVertical) {
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NoiseSettings noiseSettings = new NoiseSettings(minY, height, noiseSizeHorizontal, noiseSizeVertical);
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guardY(noiseSettings).error().ifPresent(error -> {
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throw new IllegalStateException(error.message());
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});
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return noiseSettings;
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}
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public int getCellHeight() {
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return QuartPos.toBlock(this.noiseSizeVertical());
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}
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public int getCellWidth() {
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return QuartPos.toBlock(this.noiseSizeHorizontal());
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}
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public NoiseSettings clampToHeightAccessor(LevelHeightAccessor heightAccessor) {
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int i = Math.max(this.minY, heightAccessor.getMinY());
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int j = Math.min(this.minY + this.height, heightAccessor.getMaxY() + 1) - i;
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return new NoiseSettings(i, j, this.noiseSizeHorizontal, this.noiseSizeVertical);
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}
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}
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