Marshal animation frame names as bytes and manually decode them using QuakeTextMarshaler. Fixes invalid byte sequence exception upon loading QRally.

Assets/Scripts/Data/QModel.cs

@@ -177,7 +177,9 @@ public struct QAliasFrameDesc
     public QTriVertex bboxMin;
     public QTriVertex bboxMax;
     public int frame;
-    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)] public string name;
+    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)] public byte[] nameBytes;
+
+    public string Name => QuakeTextMarshaler.GetString(nameBytes);
 }
 
 /// <summary>

Assets/Scripts/QuakeTextMarshaler.cs

@@ -62,6 +62,16 @@
             return sb.ToString();
         }
 
+        public static string GetString(byte[] bytes)
+        {
+            var sb = new StringBuilder(bytes.Length);
+            for (int i = 0; i < bytes.Length; ++i)
+            {
+                sb.Append(CharacterTable[bytes[i]]);
+            }
+            return sb.ToString();
+        }
+        
         public void CleanUpManagedData(object managedObj)
         {
         }

Assets/Scripts/Support/AliasModel.cs

@@ -147,7 +147,7 @@ public class AliasModel
         for (int frameIdx = 0; frameIdx < header.numFrames; ++frameIdx)
         {
             // Individual sequences are identified by their prefix
-            string frameName = AnimationRegex.Match(header.frames[frameIdx].name ?? "").Value;
+            string frameName = AnimationRegex.Match(header.frames[frameIdx].Name ?? "").Value;
             if (animName == null)
             {
                 animName = frameName;