fix: Fix read mhwilds

Author: czastack

RszTool/Enums.cs

@@ -154,7 +154,7 @@ public enum GameVersion
         re7rt = re2rt,
         re4 = 7,
         dd2 = re4,
-        rszmhwilds = re4,
+        mhwilds = re4,
         sf6 = 8,
         gtrick,
         apollo,

RszTool/FileHandler.cs

@@ -732,7 +732,7 @@ public unsafe object ReadObject(Type type)
                 Stream.Read(buffer, 0, size);
                 fixed (byte* p = buffer)
                 {
-                    return Marshal.PtrToStructure((IntPtr)p, type);
+                    return Marshal.PtrToStructure((IntPtr)p, type)!;
                 }
             }
             finally { ArrayPool<byte>.Shared.Return(buffer); }

RszTool/RszFile/RszFileOption.cs

@@ -10,21 +10,11 @@ public class RszFileOption
         public RszFileOption(GameName gameName)
         {
             GameName = gameName;
-            Version = gameName switch
+            if (!Enum.TryParse(gameName.ToString(), out GameVersion version))
             {
-                GameName.re4 => GameVersion.re4,
-                GameName.re2 => GameVersion.re2,
-                GameName.re2rt => GameVersion.re2rt,
-                GameName.re3 => GameVersion.re3,
-                GameName.re3rt => GameVersion.re3rt,
-                GameName.re7 => GameVersion.re7,
-                GameName.re7rt => GameVersion.re7rt,
-                GameName.re8 => GameVersion.re8,
-                GameName.dmc5 => GameVersion.dmc5,
-                GameName.mhrise => GameVersion.mhrise,
-                GameName.sf6 => GameVersion.sf6,
-                _ => GameVersion.unknown,
-            };
+                throw new Exception($"GameVersion {GameName} not found.");
+            }
+            Version = version;
             RszParser = RszParser.GetInstance($"rsz{gameName}.json");
             EnumParser = EnumParser.GetInstance($"Data\\Enums\\{gameName}_enum.json");
         }

RszTool/RszFile/RszInstance.cs

@@ -313,7 +313,7 @@ public static bool WriteNormalField(FileHandler handler, RszField field, object
 
         public static Type RszFieldTypeToCSharpType(RszFieldType fieldType)
         {
-            if (!RszFieldTypeToCSharpTypeDict.TryGetValue(fieldType, out Type type))
+            if (!RszFieldTypeToCSharpTypeDict.TryGetValue(fieldType, out Type? type))
             {
                 throw new NotSupportedException($"Not support type {fieldType}");
             }

RszTool/RszFile/UserFile.cs

@@ -42,7 +42,8 @@ public UserFile(RszFileOption option, FileHandler fileHandler) : base(option, fi
         {
             return Option.GameName switch
             {
-                _ => Extension
+                GameName.mhwilds => ".3",
+                _ => ".2"
             };
         }