support replace hashed class name by config

Il2CppDumper/Config.cs

@@ -1,5 +1,14 @@
-namespace Il2CppDumper
+using System.Collections.Generic;
+
+namespace Il2CppDumper
 {
+
+    public class ReplaceHashName
+    {
+        public string TargetName { get; set; }
+        public string ReplaceToName { get; set; }
+    }
+
     public class Config
     {
         public bool DumpMethod { get; set; } = true;
@@ -17,5 +26,7 @@ public class Config
         public double ForceVersion { get; set; } = 24.3;
         public bool ForceDump { get; set; } = false;
         public bool NoRedirectedPointer { get; set; } = false;
-    }
+        public List<ReplaceHashName> ReplaceHashNames { get; set; }
+        public Dictionary<string, string> ReplaceHashNameMap { get; set; }
+}
 }

Il2CppDumper/Il2Cpp/Metadata.cs

@@ -182,6 +182,17 @@ public string GetStringFromIndex(uint index)
             if (!stringCache.TryGetValue(index, out var result))
             {
                 result = ReadStringToNull(header.stringOffset + index);
+
+                string szReplaceToName = null;
+                if (result != null)
+                {
+                    szReplaceToName = Il2CppDumper.Program.TryGetReplaceName(result);
+                }
+                if (szReplaceToName != null)
+                {
+                    result = szReplaceToName;
+                }
+
                 stringCache.Add(index, result);
             }
             return result;

Il2CppDumper/Program.cs

@@ -14,6 +14,7 @@ class Program
         static void Main(string[] args)
         {
             config = JsonSerializer.Deserialize<Config>(File.ReadAllText(AppDomain.CurrentDomain.BaseDirectory + @"config.json"));
+            GenerateReplaceNameMap();
             string il2cppPath = null;
             string metadataPath = null;
             string outputDir = null;
@@ -111,6 +112,28 @@ static void Main(string[] args)
             }
         }
 
+        static void GenerateReplaceNameMap()
+        {
+            if (config.ReplaceHashNames != null && config.ReplaceHashNames.Count > 0)
+            {
+                config.ReplaceHashNameMap = new System.Collections.Generic.Dictionary<string, string>();
+                for (int i = 0; i < config.ReplaceHashNames.Count; i++)
+                {
+                    config.ReplaceHashNameMap.Add(config.ReplaceHashNames[i].TargetName, config.ReplaceHashNames[i].ReplaceToName);
+                }
+            }
+        }
+
+        public static string TryGetReplaceName(string szTargetName)
+        {
+            string szRet = null;
+            if(config.ReplaceHashNameMap != null)
+            {
+                config.ReplaceHashNameMap.TryGetValue(szTargetName, out szRet);
+            }
+            return szRet;
+        }
+
         static void ShowHelp()
         {
             Console.WriteLine($"usage: {AppDomain.CurrentDomain.FriendlyName} <executable-file> <global-metadata> <output-directory>");

Il2CppDumper/config.json

@@ -13,5 +13,8 @@
   "ForceIl2CppVersion": false,
   "ForceVersion": 16,
   "ForceDump": false,
-  "NoRedirectedPointer": false
+  "NoRedirectedPointer": false,
+  "ReplaceHashNames": [
+
+  ]
 }