some refactoring

src/framework/script/scriptobject.h

@@ -0,0 +1,26 @@
+#ifndef SCRIPTOBJECT_H
+#define SCRIPTOBJECT_H
+
+#include <global.h>
+
+class ScriptObject : public boost::enable_shared_from_this<ScriptObject>
+{
+public:
+    ScriptObject() : m_scriptTableRef(-1) { }
+    virtual ~ScriptObject() { releaseScriptObject(); }
+
+    void releaseScriptObject();
+
+    //TODO: global destroy
+    virtual const char *getScriptObjectType() const { return NULL; }
+
+    int getScriptTable();
+    void callScriptTableField(const std::string& field, int numArgs = 0);
+
+private:
+    int m_scriptTableRef;
+};
+
+typedef boost::shared_ptr<ScriptObject> ScriptObjectPtr;
+
+#endif // SCRIPTOBJECT_H