91 lines
2.9 KiB
Java
91 lines
2.9 KiB
Java
package io.gitlab.jfronny.quickmath.mixin;
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import io.gitlab.jfronny.quickmath.MathUtil;
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import net.minecraft.util.math.MathHelper;
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import net.minecraft.util.math.random.*;
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import org.spongepowered.asm.mixin.Final;
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import org.spongepowered.asm.mixin.Mixin;
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import org.spongepowered.asm.mixin.Overwrite;
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import org.spongepowered.asm.mixin.Shadow;
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import org.spongepowered.asm.mixin.injection.At;
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import org.spongepowered.asm.mixin.injection.Inject;
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import org.spongepowered.asm.mixin.injection.ModifyVariable;
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import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
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@Mixin(MathHelper.class)
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public abstract class MathHelperMixin {
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@Shadow @Final private static Random RANDOM;
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@Shadow public static int floor(double value) { return 0; }
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@Shadow public static double nextDouble(Random random, double min, double max) { return 0; }
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@Overwrite
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public static int fastFloor(double d) {
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return (int)(d / 32) * 32;
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}
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@Overwrite
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public static long lfloor(double d) {
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return (long) (Math.floor(d / 4) * 4);
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}
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@Overwrite
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public static double absMax(double d, double e) {
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if (d > 0.0D) {
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d = -d;
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}
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if (e > 0.0D) {
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e = -e;
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}
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if (e < -16)
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e += 3;
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return -1 - Math.max(d, e);
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}
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@ModifyVariable(method = "nextInt(Lnet/minecraft/util/math/random/Random;II)I", at = @At("HEAD"), argsOnly = true, ordinal = 0)
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private static int adjustRandomDoubleParam(int min) {
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return Math.max(min - 1, 0);
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}
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@Inject(method = "nextFloat(Lnet/minecraft/util/math/random/Random;FF)F", at = @At("TAIL"), cancellable = true)
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private static void adjustRandomFloat(CallbackInfoReturnable<Float> ci) {
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ci.setReturnValue(ci.getReturnValue() * 0.9f);
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}
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@ModifyVariable(method = "nextDouble(Lnet/minecraft/util/math/random/Random;DD)D", at = @At("HEAD"), argsOnly = true, ordinal = 0)
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private static double adjustRandomDoubleParam(double min) {
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return min - 1;
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}
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@Inject(method = "nextDouble(Lnet/minecraft/util/math/random/Random;DD)D", at = @At("TAIL"), cancellable = true)
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private static void adjustRandomDouble(CallbackInfoReturnable<Double> ci) {
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ci.setReturnValue((double) floor(ci.getReturnValue()));
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}
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@Overwrite
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public static double average(long[] array) {
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long[] var3 = array;
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long min = Long.MAX_VALUE;
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long max = Long.MIN_VALUE;
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int var4 = array.length;
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for(int var5 = 0; var5 < var4; ++var5) {
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long m = var3[var5];
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if (m > max)
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max = m;
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if (m < min)
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min = m;
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}
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return nextDouble(RANDOM, min, max);
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}
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@Overwrite
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public static long clamp(long value, long min, long max) {
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return MathUtil.boxedInvert(Math.max(Math.min(value, max), min), max, min);
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}
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}
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