[Sonic Lost World] Add "Fix Steam Profile Picture"

Source/Sonic Lost World/Fixes/Graphics/Fix Steam Profile Picture.hmm

@@ -0,0 +1,99 @@
+Patch "Fix Steam Profile Picture" in "Fixes/Graphics" by "ĐeäTh" does "Fixes the steam profile picture used on the Title Menu being squashed and stretched."
+{
+    #include "Helpers" noemit
+
+    static class SteamIconFix
+    {
+        private static bool _isTitleMenuModified = false;
+        private static bool _isAlreadyCompared = false;
+
+        UNMANAGED_FUNCTION(void, IsTitleMenuModifiedImpl, IntPtr in_pResourceName, IntPtr in_pResource)
+        {
+            if (_isAlreadyCompared)
+                return;
+
+            byte* pResourceName = (byte*)in_pResourceName;
+            byte[] name = new byte[16];
+            for (int i = 0; i < 16; i++)
+                name[i] = pResourceName[i];
+
+            string fileName = System.Text.Encoding.UTF8.GetString(name);
+
+            if (fileName != "ui_titlemenu_ugp")
+                return;
+
+            int checksum = 0;
+            for (int i = 0; i < 0x30BD0; i++)
+                checksum += ((byte*)in_pResource)[i];
+
+            Console.WriteLine(checksum.ToString("X"));
+
+            _isAlreadyCompared = true;
+
+            if (checksum != 0x9D9836)
+                _isTitleMenuModified = true;
+        }
+
+        public static long IsTitleMenuModified() => GET_UNMANAGED_FUNCTION_PTR(IsTitleMenuModifiedImpl);
+
+        UNMANAGED_FUNCTION(void, UnstretchImpl, IntPtr in_pHudGoc)
+        {
+            if (_isTitleMenuModified)
+                return;
+
+            IntPtr rcProjects = *(IntPtr*)IntPtr.Add(in_pHudGoc, 0x40);
+            IntPtr rcProject = *(IntPtr*)IntPtr.Add(rcProjects, 0);
+            IntPtr pBinaryProject = *(IntPtr*)IntPtr.Add(rcProject, 0x64);
+            IntPtr pScenes = *(IntPtr*)IntPtr.Add(pBinaryProject, 0xC);
+            IntPtr pLayers = *(IntPtr*)IntPtr.Add(pScenes, 0x10);
+            IntPtr pMiiIconLayerCells = *(IntPtr*)IntPtr.Add(pLayers, 0x3C);
+            float* pMiiIconCellScaleX = (float*)IntPtr.Add(pMiiIconLayerCells, 0x1D4);
+            float* pMiiIconCellScaleY = (float*)IntPtr.Add(pMiiIconLayerCells, 0x1D8);
+
+            *pMiiIconCellScaleX = 1.0125f;
+            *pMiiIconCellScaleY = 1.0125f;
+        }
+
+        public static long Unstretch() => GET_UNMANAGED_FUNCTION_PTR(UnstretchImpl);
+    }
+
+    WriteAsmHook
+    (
+        $@"
+            push ebx
+            push eax
+            push edx
+            mov edx, eax
+            push edx
+            mov ebx, [ebp + 0xC]
+            push ebx
+            mov eax, {SteamIconFix.IsTitleMenuModified()}
+            call eax
+
+            pop edx
+            pop eax
+            pop ebx
+
+            push 0
+            push eax
+            lea ecx, [ebp + 0x10]
+        ",
+        ASLR(0x0050EEF2), HookBehavior.Replace
+    )
+
+    WriteAsmHook
+    (
+        $@"
+            push ebx
+            mov ebx, [esi + 0xD4]
+            push ebx
+            mov eax, {SteamIconFix.Unstretch()}
+            call eax
+
+            pop ebx
+            mov ecx, [esi + 0xD4]
+
+        ",
+        ASLR(0x005296E9), HookBehavior.Replace
+    )
+}