From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
Date: Thu, 16 Feb 2023 21:34:37 +0200
Subject: [PATCH] Lithium Math FastUtil

Author: JellySquid
Licence: LGPL-3.0

diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
index a94ec0d098394a5bd662268fe17e92e343c4619c..df9a3bb3b955705ced8a431aff4683b12eae34c1 100644
--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
@@ -209,7 +209,9 @@ public class KaiijuConfig {
     }
 
     public static boolean lithiumEnable = true;
+    public static boolean lithiumMathFastUtil = true;
     private static void lithiumSettings() {
         lithiumEnable = getBoolean("lithium.enable", lithiumEnable);
+        lithiumMathFastUtil = getBoolean("lithium.math.fast-util", lithiumMathFastUtil) && lithiumEnable;
     }
 }
diff --git a/src/main/java/net/minecraft/core/AxisCycle.java b/src/main/java/net/minecraft/core/AxisCycle.java
index b5d8a60dc78a76c0a55bfc30cc49d26857bd914a..dd8d98acf21bb676e86f9befb45fd09e1b14a01d 100644
--- a/src/main/java/net/minecraft/core/AxisCycle.java
+++ b/src/main/java/net/minecraft/core/AxisCycle.java
@@ -35,6 +35,18 @@ public enum AxisCycle {
 
         @Override
         public Direction.Axis cycle(Direction.Axis axis) {
+            // Kaiiju start - Lithium
+            if (dev.kaiijumc.kaiiju.KaiijuConfig.lithiumMathFastUtil){
+                switch (axis.ordinal()) {
+                    case 0: //X
+                       return Direction.Axis.Y;
+                    case 1: //Y
+                        return Direction.Axis.Z;
+                    case 2: //Z
+                        return Direction.Axis.X;
+                }
+            }
+            // Kaiiju end
             return AXIS_VALUES[Math.floorMod(axis.ordinal() + 1, 3)];
         }
 
@@ -56,6 +68,18 @@ public enum AxisCycle {
 
         @Override
         public Direction.Axis cycle(Direction.Axis axis) {
+            // Kaiiju start - Lithium
+            if (dev.kaiijumc.kaiiju.KaiijuConfig.lithiumMathFastUtil){
+                switch (axis.ordinal()) {
+                    case 0: //X
+                       return Direction.Axis.Z;
+                    case 1: //Y
+                        return Direction.Axis.X;
+                    case 2: //Z
+                        return Direction.Axis.Y;
+                }
+            }
+            // Kaiiju end
             return AXIS_VALUES[Math.floorMod(axis.ordinal() - 1, 3)];
         }
 
diff --git a/src/main/java/net/minecraft/core/Direction.java b/src/main/java/net/minecraft/core/Direction.java
index 82bce6109d59cba30178a446f0ff129da6f3692f..597e5c3e25190d61b9b3c1198bd668083dfc2f0d 100644
--- a/src/main/java/net/minecraft/core/Direction.java
+++ b/src/main/java/net/minecraft/core/Direction.java
@@ -192,6 +192,7 @@ public enum Direction implements StringRepresentable {
     }
 
     public Direction getOpposite() {
+        if (dev.kaiijumc.kaiiju.KaiijuConfig.lithiumMathFastUtil) return VALUES[this.oppositeIndex]; // Kaiiju
         return from3DDataValue(this.oppositeIndex);
     }
 
@@ -442,6 +443,7 @@ public enum Direction implements StringRepresentable {
     }
 
     public static Direction getRandom(RandomSource random) {
+        if (dev.kaiijumc.kaiiju.KaiijuConfig.lithiumMathFastUtil) return VALUES[random.nextInt(VALUES.length)]; // Kaiiju
         return Util.getRandom(VALUES, random);
     }
 
diff --git a/src/main/java/net/minecraft/world/phys/AABB.java b/src/main/java/net/minecraft/world/phys/AABB.java
index ffc76354ead6937daf366c3d87bcb51d3e4c47f5..07965ebef2326c73f94a97f478ba1fd0d1ed5dce 100644
--- a/src/main/java/net/minecraft/world/phys/AABB.java
+++ b/src/main/java/net/minecraft/world/phys/AABB.java
@@ -81,10 +81,36 @@ public class AABB {
     }
 
     public double min(Direction.Axis axis) {
+        // Kaiiju start - Lithium
+        if (dev.kaiijumc.kaiiju.KaiijuConfig.lithiumMathFastUtil){
+            switch (axis.ordinal()) {
+                case 0: //X
+                   return this.minX;
+                case 1: //Y
+                    return this.minY;
+                case 2: //Z
+                    return this.minZ;
+            }
+            throw new IllegalArgumentException();
+        }
+        // Kaiiju end
         return axis.choose(this.minX, this.minY, this.minZ);
     }
 
     public double max(Direction.Axis axis) {
+        // Kaiiju start - Lithium
+        if (dev.kaiijumc.kaiiju.KaiijuConfig.lithiumMathFastUtil){
+            switch (axis.ordinal()) {
+                case 0: //X
+                   return this.maxX;
+                case 1: //Y
+                    return this.maxY;
+                case 2: //Z
+                    return this.maxZ;
+            }
+            throw new IllegalArgumentException();
+        }
+        // Kaiiju end
         return axis.choose(this.maxX, this.maxY, this.maxZ);
     }