Add BundleSubAssetHolder for packed spritesheets

MiraAPI/Patches/Options/RoleSettingMenuPatches.cs

@@ -550,7 +550,6 @@ public static class RoleSettingMenuPatches
                 new Rect(0, 0, 370, 230),
                 Vector2.one / 2,
                 100);
-            __instance.roleScreenshot.drawMode = SpriteDrawMode.Sliced;
         }
 
         __instance.roleHeaderSprite.color = customRole.OptionsMenuColor;

MiraAPI/Utilities/Assets/LoadableBundleSubAsset.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Linq;
+using UnityEngine;
+
+namespace MiraAPI.Utilities.Assets;
+
+/// <summary>
+/// A utility class for loading multiple assets from an <see cref="LoadableBundleSubAssetHolder"/>.
+/// </summary>
+/// <param name="name">The name of the asset.</param>
+/// <param name="assetHolder">The <see cref="LoadableBundleSubAssetHolder"/> that contains the asset.</param>
+public class LoadableBundleSubAsset(string name, LoadableBundleSubAssetHolder assetHolder) : LoadableAsset<Sprite>
+{
+    /// <summary>
+    /// Loads the asset from the <see cref="LoadableBundleSubAssetHolder"/>.
+    /// </summary>
+    /// <returns>The asset.</returns>
+    /// <exception cref="Exception">The asset did not load properly.</exception>
+    public override Sprite LoadAsset()
+    {
+        if (LoadedAsset != null)
+        {
+            return LoadedAsset;
+        }
+
+        assetHolder.TryInit();
+
+        var loadedAsset = assetHolder.SubSprites.FirstOrDefault(x => x.name == name);
+
+        if (loadedAsset == null)
+        {
+            throw new InvalidOperationException($"INVALID ASSETS: {name}");
+        }
+        LoadedAsset = loadedAsset;
+        return LoadedAsset;
+    }
+}

MiraAPI/Utilities/Assets/LoadableBundleSubAssetHolder.cs

@@ -0,0 +1,86 @@
+using System;
+using System.Linq;
+using HarmonyLib;
+using Il2CppInterop.Runtime;
+using Reactor.Utilities.Extensions;
+using UnityEngine;
+
+namespace MiraAPI.Utilities.Assets;
+
+/// <summary>
+/// A utility class for loading multiple assets from an <see cref="AssetBundle"/>.
+/// </summary>
+public class LoadableBundleSubAssetHolder
+{
+    /// <summary>
+    /// Initializes a new instance of the <see cref="LoadableBundleSubAssetHolder"/> class.
+    /// </summary>
+    /// <param name="names">The name of the assets to pull from.</param>
+    /// <param name="bundle">The <see cref="AssetBundle"/> that contains the assets.</param>
+    public LoadableBundleSubAssetHolder(string[] names, AssetBundle bundle)
+    {
+        Bundle = bundle;
+        SpriteNames = names;
+    }
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="LoadableBundleSubAssetHolder"/> class.
+    /// </summary>
+    /// <param name="name">The name of the asset.</param>
+    /// <param name="bundle">The <see cref="AssetBundle"/> that contains the assets.</param>
+    public LoadableBundleSubAssetHolder(string name, AssetBundle bundle)
+    {
+        Bundle = bundle;
+        SpriteNames = [name];
+    }
+    internal string[] SpriteNames = [];
+    internal AssetBundle Bundle;
+    public Sprite[] SubSprites = [];
+
+    public virtual void TryInit()
+    {
+        if (SubSprites.Length == 0)
+        {
+            var newSprites = Array.Empty<Sprite>();
+            foreach (var name in SpriteNames)
+            {
+                var loadedAssets = Bundle.LoadAssetWithSubAssets(name, Il2CppType.From(typeof(Sprite))).ToArray();
+
+                if (loadedAssets == null)
+                {
+                    throw new InvalidOperationException($"INVALID ASSETS: {name}");
+                }
+                foreach (var obj in loadedAssets)
+                {
+                    var img = obj.TryCast<Sprite>();
+                    if (img != null)
+                    {
+                        img.DontDestroy().DontUnload();
+                        newSprites = newSprites.AddToArray(img);
+                    }
+                }
+            }
+
+            SubSprites = newSprites;
+        }
+    }
+
+    /// <summary>
+    /// Unloads an asset.
+    /// </summary>
+    /// <returns>True if the asset was unloaded, false otherwise.</returns>
+    public bool UnloadAsset()
+    {
+        if (SubSprites.Length == 0)
+        {
+            return false;
+        }
+
+        foreach (var sprite in SubSprites)
+        {
+            sprite.DestroyImmediate();
+        }
+        SubSprites = [];
+        return true;
+    }
+}

MiraAPI/Utilities/Assets/TmpSpriteUtils.cs

@@ -71,8 +71,8 @@ public static class TmpSpriteUtils
         {
             name = spriteName,
             hashCode = TMP_TextUtilities.GetSimpleHashCode(spriteName),
-            x = 0,
-            y = 0,
+            x = rect.x,
+            y = rect.y,
             width = rect.width,
             height = rect.height,
             xOffset = -(rect.width / 3) + (scale - 1) * (rect.width / 2),