Refactor MonoBehaviour reading

AssetStudioUtility/AssemblyLoader.cs

@@ -0,0 +1,53 @@
+using Mono.Cecil;
+using System.Collections.Generic;
+using System.IO;
+
+namespace AssetStudio
+{
+    public class AssemblyLoader
+    {
+        public bool Loaded;
+        private Dictionary<string, ModuleDefinition> moduleDic = new Dictionary<string, ModuleDefinition>();
+
+        public void Load(string path)
+        {
+            var files = Directory.GetFiles(path, "*.dll");
+            var resolver = new MyAssemblyResolver();
+            var readerParameters = new ReaderParameters();
+            readerParameters.AssemblyResolver = resolver;
+            try
+            {
+                foreach (var file in files)
+                {
+                    var assembly = AssemblyDefinition.ReadAssembly(file, readerParameters);
+                    resolver.Register(assembly);
+                    moduleDic.Add(assembly.MainModule.Name, assembly.MainModule);
+                }
+            }
+            catch
+            {
+                // ignored
+            }
+            Loaded = true;
+        }
+
+        public TypeDefinition GetTypeDefinition(string assemblyName, string fullName)
+        {
+            if (moduleDic.TryGetValue(assemblyName, out var module))
+            {
+                return module.GetType(fullName);
+            }
+            return null;
+        }
+
+        public void Clear()
+        {
+            foreach (var pair in moduleDic)
+            {
+                pair.Value.Dispose();
+            }
+            moduleDic.Clear();
+            Loaded = false;
+        }
+    }
+}