add resizing for incorrectly sized sprites

Author: Ashiepaws

Patchwork.csproj

@@ -4,7 +4,7 @@
     <TargetFramework>netstandard2.1</TargetFramework>
     <AssemblyName>Patchwork</AssemblyName>
     <Product>Patchwork</Product>
-    <Version>1.0.1</Version>
+    <Version>1.0.2</Version>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <LangVersion>latest</LangVersion>
     <RestoreAdditionalProjectSources>

handlers/SpriteLoader.cs

@@ -52,8 +52,13 @@ public static void LoadCollection(tk2dSpriteCollectionData collection)
                 else if (def.flipped == tk2dSpriteDefinition.FlipMode.TPackerCW)
                     spriteTex = TexUtil.RotateCW(spriteTex);
 
-                // Blit the sprite into the atlas texture
                 Rect spriteRect = SpriteUtil.GetSpriteRect(def, baseTex);
+                if (spriteRect.width != spriteTex.width || spriteRect.height != spriteTex.height)
+                {
+                    Plugin.Logger.LogError($"Sprite {collection.name}/{matname}/{def.name} size mismatch: expected {spriteRect.width}x{spriteRect.height}, got {spriteTex.width}x{spriteTex.height}. Resizing, which may cause distortion.");
+                    spriteTex = TexUtil.ResizeTexture(spriteTex, (int)spriteRect.width, (int)spriteRect.height);
+                }
+
                 Color[] pixels = spriteTex.GetPixels();
                 baseTex.SetPixels((int)spriteRect.x, (int)spriteRect.y, (int)spriteRect.width, (int)spriteRect.height, pixels);
                 baseTex.Apply();

util/TexUtil.cs

@@ -87,4 +87,18 @@ public static Texture2D LoadFromPNG(string path)
         }
         return tex;
     }
+
+    public static Texture2D ResizeTexture(Texture2D source, int newWidth, int newHeight)
+    {
+        RenderTexture rt = RenderTexture.GetTemporary(newWidth, newHeight);
+        Graphics.Blit(source, rt);
+        RenderTexture previous = RenderTexture.active;
+        RenderTexture.active = rt;
+        Texture2D resized = new(newWidth, newHeight);
+        resized.ReadPixels(new Rect(0, 0, newWidth, newHeight), 0, 0);
+        resized.Apply();
+        RenderTexture.active = previous;
+        RenderTexture.ReleaseTemporary(rt);
+        return resized;
+    }
 }