47 lines
1.8 KiB
Java
47 lines
1.8 KiB
Java
package net.minecraft.world;
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import com.mojang.serialization.Codec;
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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.Optional;
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import net.minecraft.resources.ResourceLocation;
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import net.minecraft.util.RandomSource;
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import net.minecraft.world.level.levelgen.RandomSupport;
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import net.minecraft.world.level.levelgen.XoroshiroRandomSource;
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public class RandomSequence {
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public static final Codec<RandomSequence> CODEC = RecordCodecBuilder.create(
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p_287586_ -> p_287586_.group(XoroshiroRandomSource.CODEC.fieldOf("source").forGetter(p_287757_ -> p_287757_.source))
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.apply(p_287586_, RandomSequence::new)
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);
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private final XoroshiroRandomSource source;
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public RandomSequence(XoroshiroRandomSource p_287597_) {
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this.source = p_287597_;
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}
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public RandomSequence(long p_287592_, ResourceLocation p_287762_) {
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this(createSequence(p_287592_, Optional.of(p_287762_)));
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}
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public RandomSequence(long p_298200_, Optional<ResourceLocation> p_297536_) {
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this(createSequence(p_298200_, p_297536_));
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}
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private static XoroshiroRandomSource createSequence(long p_289567_, Optional<ResourceLocation> p_300474_) {
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RandomSupport.Seed128bit randomsupport$seed128bit = RandomSupport.upgradeSeedTo128bitUnmixed(p_289567_);
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if (p_300474_.isPresent()) {
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randomsupport$seed128bit = randomsupport$seed128bit.xor(seedForKey(p_300474_.get()));
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}
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return new XoroshiroRandomSource(randomsupport$seed128bit.mixed());
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}
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public static RandomSupport.Seed128bit seedForKey(ResourceLocation p_288989_) {
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return RandomSupport.seedFromHashOf(p_288989_.toString());
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}
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public RandomSource random() {
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return this.source;
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}
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} |