77 lines
2.6 KiB
Java
77 lines
2.6 KiB
Java
/*
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* Decompiled with CFR 0.152.
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*
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* Could not load the following classes:
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* com.mojang.datafixers.kinds.App
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* com.mojang.datafixers.kinds.Applicative
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* com.mojang.serialization.Codec
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* com.mojang.serialization.DataResult
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* com.mojang.serialization.MapCodec
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* com.mojang.serialization.codecs.RecordCodecBuilder
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*/
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package net.minecraft.util.valueproviders;
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import com.mojang.datafixers.kinds.App;
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import com.mojang.datafixers.kinds.Applicative;
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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 net.minecraft.util.RandomSource;
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import net.minecraft.util.valueproviders.FloatProvider;
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import net.minecraft.util.valueproviders.FloatProviderType;
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public class TrapezoidFloat
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extends FloatProvider {
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public static final MapCodec<TrapezoidFloat> CODEC = RecordCodecBuilder.mapCodec(i -> i.group((App)Codec.FLOAT.fieldOf("min").forGetter(t -> Float.valueOf(t.min)), (App)Codec.FLOAT.fieldOf("max").forGetter(t -> Float.valueOf(t.max)), (App)Codec.FLOAT.fieldOf("plateau").forGetter(t -> Float.valueOf(t.plateau))).apply((Applicative)i, TrapezoidFloat::new)).validate(c -> {
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if (c.max < c.min) {
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return DataResult.error(() -> "Max must be larger than min: [" + c.min + ", " + c.max + "]");
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}
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if (c.plateau > c.max - c.min) {
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return DataResult.error(() -> "Plateau can at most be the full span: [" + c.min + ", " + c.max + "]");
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}
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return DataResult.success((Object)c);
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});
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private final float min;
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private final float max;
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private final float plateau;
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public static TrapezoidFloat of(float min, float max, float plateau) {
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return new TrapezoidFloat(min, max, plateau);
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}
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private TrapezoidFloat(float min, float max, float plateau) {
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this.min = min;
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this.max = max;
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this.plateau = plateau;
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}
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@Override
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public float sample(RandomSource random) {
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float range = this.max - this.min;
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float plateauStart = (range - this.plateau) / 2.0f;
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float plateauEnd = range - plateauStart;
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return this.min + random.nextFloat() * plateauEnd + random.nextFloat() * plateauStart;
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}
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@Override
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public float getMinValue() {
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return this.min;
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}
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@Override
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public float getMaxValue() {
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return this.max;
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}
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@Override
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public FloatProviderType<?> getType() {
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return FloatProviderType.TRAPEZOID;
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}
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public String toString() {
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return "trapezoid(" + this.plateau + ") in [" + this.min + "-" + this.max + "]";
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}
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}
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