Fix strong lag when loading sprites for the first time

EnhancedNetwork · Mar 2, 2025 · eb85df8 · eb85df8
1 parent 9777785
commit eb85df8
Showing 1 changed file with 14 additions and 7 deletions.
diff --git a/Modules/Utils.cs b/Modules/Utils.cs
@@ -2,6 +2,7 @@
 using AmongUs.GameOptions;
 using Hazel;
 using Il2CppInterop.Generator.Extensions;
+using Il2CppInterop.Runtime.InteropTypes.Arrays;
 using InnerNet;
 using System;
 using System.Data;
@@ -2716,7 +2717,7 @@ public static void FlashColor(Color color, float duration = 1f)
         })));
     }
 
-    public static Dictionary<string, Sprite> CachedSprites = [];
+    private readonly static Dictionary<string, Sprite> CachedSprites = [];
     public static Sprite LoadSprite(string path, float pixelsPerUnit = 1f)
     {
         try
@@ -2733,15 +2734,21 @@ public static Sprite LoadSprite(string path, float pixelsPerUnit = 1f)
         }
         return null;
     }
-    public static Texture2D LoadTextureFromResources(string path)
+    private static unsafe Texture2D LoadTextureFromResources(string path)
     {
         try
         {
-            var stream = Assembly.GetExecutingAssembly().GetManifestResourceStream(path);
-            var texture = new Texture2D(1, 1, TextureFormat.ARGB32, false);
-            using MemoryStream ms = new();
-            stream.CopyTo(ms);
-            ImageConversion.LoadImage(texture, ms.ToArray(), false);
+            Texture2D texture = new(2, 2, TextureFormat.ARGB32, true);
+            Assembly assembly = Assembly.GetExecutingAssembly();
+            Stream stream = assembly.GetManifestResourceStream(path);
+            var length = stream.Length;
+            var byteTexture = new Il2CppStructArray<byte>(length);
+            stream.Read(new Span<byte>(IntPtr.Add(byteTexture.Pointer, IntPtr.Size * 4).ToPointer(), (int)length));
+            if (path.Contains("HorseHats"))
+            {
+                byteTexture = new Il2CppStructArray<byte>(byteTexture.Reverse().ToArray());
+            }
+            ImageConversion.LoadImage(texture, byteTexture, false);
             return texture;
         }
         catch