70 lines
2.7 KiB
Java
70 lines
2.7 KiB
Java
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package net.minecraft.util.valueproviders;
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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.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 net.minecraft.util.Mth;
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import net.minecraft.util.RandomSource;
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public class ClampedNormalInt extends IntProvider {
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public static final MapCodec<ClampedNormalInt> CODEC = RecordCodecBuilder.<ClampedNormalInt>mapCodec(
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p_185887_ -> p_185887_.group(
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Codec.FLOAT.fieldOf("mean").forGetter(p_185905_ -> p_185905_.mean),
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Codec.FLOAT.fieldOf("deviation").forGetter(p_185903_ -> p_185903_.deviation),
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Codec.INT.fieldOf("min_inclusive").forGetter(p_326736_ -> p_326736_.minInclusive),
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Codec.INT.fieldOf("max_inclusive").forGetter(p_326737_ -> p_326737_.maxInclusive)
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)
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.apply(p_185887_, ClampedNormalInt::new)
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)
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.validate(
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p_326735_ -> p_326735_.maxInclusive < p_326735_.minInclusive
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? DataResult.error(() -> "Max must be larger than min: [" + p_326735_.minInclusive + ", " + p_326735_.maxInclusive + "]")
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: DataResult.success(p_326735_)
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);
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private final float mean;
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private final float deviation;
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private final int minInclusive;
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private final int maxInclusive;
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public static ClampedNormalInt of(float p_185880_, float p_185881_, int p_185882_, int p_185883_) {
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return new ClampedNormalInt(p_185880_, p_185881_, p_185882_, p_185883_);
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}
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private ClampedNormalInt(float p_185874_, float p_185875_, int p_185876_, int p_185877_) {
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this.mean = p_185874_;
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this.deviation = p_185875_;
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this.minInclusive = p_185876_;
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this.maxInclusive = p_185877_;
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}
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@Override
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public int sample(RandomSource p_216844_) {
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return sample(p_216844_, this.mean, this.deviation, this.minInclusive, this.maxInclusive);
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}
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public static int sample(RandomSource p_216846_, float p_216847_, float p_216848_, float p_216849_, float p_216850_) {
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return (int)Mth.clamp(Mth.normal(p_216846_, p_216847_, p_216848_), p_216849_, p_216850_);
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}
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@Override
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public int getMinValue() {
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return this.minInclusive;
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}
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@Override
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public int getMaxValue() {
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return this.maxInclusive;
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}
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@Override
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public IntProviderType<?> getType() {
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return IntProviderType.CLAMPED_NORMAL;
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}
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@Override
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public String toString() {
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return "normal(" + this.mean + ", " + this.deviation + ") in [" + this.minInclusive + "-" + this.maxInclusive + "]";
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}
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}
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