DivineMC/patches/unapplied/server/minecraft-patches/features/0031-lithium-fast_util.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: NONPLAYT <76615486+NONPLAYT@users.noreply.github.com>
Date: Mon, 24 Feb 2025 19:10:17 +0300
Subject: [PATCH] lithium: fast_util


diff --git a/net/minecraft/core/Direction.java b/net/minecraft/core/Direction.java
index 216f97207dac88cc1dc3df59c6ee8a62c7614b4a..05c7de5729466786a0196fa5f91eccc3cfffc675 100644
--- a/net/minecraft/core/Direction.java
+++ b/net/minecraft/core/Direction.java
@@ -217,7 +217,7 @@ public enum Direction implements StringRepresentable, ca.spottedleaf.moonrise.pa
     }
 
     public Direction getOpposite() {
-        return this.opposite; // Paper - optimise collisions
+        return VALUES[this.oppositeIndex]; // DivineMC - lithium: fast_util
     }
 
     public Direction getClockWise(Direction.Axis axis) {
@@ -350,7 +350,7 @@ public enum Direction implements StringRepresentable, ca.spottedleaf.moonrise.pa
     }
 
     public static Direction getRandom(RandomSource random) {
-        return Util.getRandom(VALUES, random);
+        return VALUES[random.nextInt(VALUES.length)]; // DivineMC - lithium: fast_util
     }
 
     public static Direction getApproximateNearest(double x, double y, double z) {
diff --git a/net/minecraft/world/phys/AABB.java b/net/minecraft/world/phys/AABB.java
index 54807bb4b4189ceaded1f78a1a9ab85ce40ab2b1..977642da91cf3bace9182e36c10512c8a1830503 100644
--- a/net/minecraft/world/phys/AABB.java
+++ b/net/minecraft/world/phys/AABB.java
@@ -18,6 +18,15 @@ public class AABB {
     public final double maxY;
     public final double maxZ;
 
+    // DivineMC start - lithium: fast_util
+    static {
+        assert Direction.Axis.X.ordinal() == 0;
+        assert Direction.Axis.Y.ordinal() == 1;
+        assert Direction.Axis.Z.ordinal() == 2;
+        assert Direction.Axis.values().length == 3;
+    }
+    // DivineMC end - lithium: fast_util
+
     public AABB(double x1, double y1, double z1, double x2, double y2, double z2) {
         this.minX = Math.min(x1, x2);
         this.minY = Math.min(y1, y2);
@@ -79,11 +88,33 @@ public class AABB {
     }
 
     public double min(Direction.Axis axis) {
-        return axis.choose(this.minX, this.minY, this.minZ);
+        // DivineMC start - lithium: fast_util
+        switch (axis.ordinal()) {
+            case 0: // X
+                return this.minX;
+            case 1: // Y
+                return this.minY;
+            case 2: // Z
+                return this.minZ;
+        }
+
+        throw new IllegalArgumentException();
+        // DivineMC end - lithium: fast_util
     }
 
     public double max(Direction.Axis axis) {
-        return axis.choose(this.maxX, this.maxY, this.maxZ);
+        // DivineMC start - lithium: fast_util
+        switch (axis.ordinal()) {
+            case 0: // X
+                return this.maxX;
+            case 1: // Y
+                return this.maxY;
+            case 2: // Z
+                return this.maxZ;
+        }
+
+        throw new IllegalArgumentException();
+        // DivineMC end - lithium: fast_util
     }
 
     @Override