55 lines
1.9 KiB
Java
55 lines
1.9 KiB
Java
package io.gitlab.jfronny.quickmath.mixin;
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import net.minecraft.util.math.MathHelper;
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import net.minecraft.util.math.random.Random;
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import org.spongepowered.asm.mixin.*;
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import org.spongepowered.asm.mixin.injection.*;
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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 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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}
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