Assert against destroying objects that still have a script state

Author: Causeless

Entities/MovableObject.cpp

@@ -548,6 +548,8 @@ void MovableObject::DestroyScriptState() {
 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
 void MovableObject::Destroy(bool notInherited) {
+    RTEAssert(m_ThreadedLuaState == nullptr, "Destroying an MO that still has a script state!");
+
 	g_MovableMan.UnregisterObject(this);
     if (!notInherited) { 
         SceneObject::Destroy();