various implementation

Runtime/CFactoryMgr.hpp

@@ -0,0 +1,28 @@
+#ifndef __RETRO_CFACTORYMGR_HPP__
+#define __RETRO_CFACTORYMGR_HPP__
+
+#include <unordered_map>
+#include "RetroTypes.hpp"
+
+namespace Retro
+{
+class SObjectTag;
+class CVParamTransfer;
+class CInputStream;
+
+typedef void(*CFactoryFnReturn)(const SObjectTag&, CInputStream&, const CVParamTransfer&);
+
+class CFactoryMgr
+{
+    std::unordered_map<u32, CFactoryFnReturn> m_factories;
+public:
+    MakeObjectFromMemory(const SObjectTag&, void*, int, bool, const CVParamTransfer&);
+    void AddFactory(FourCC key, CFactoryFnReturn func)
+    {
+        m_factories[key] = func;
+    }
+};
+
+}
+
+#endif // __RETRO_CFACTORYMGR_HPP__