Changed way Packs cannot be created if there is no Renderer.

core/cross/client.h

 /*
  * Copyright 2009, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 100 matching lines @@
   // window.onunload, handles those cases.
   void Cleanup();
 
   // Pack methods --------------------------
 
   // Creates a pack object, and registers it within the Client's internal
   // dictionary strutures.  Note that multiple packs may share the same name.
   // The system does not enforce pack name uniqueness.
   // Returns:
   //  A smart-pointer reference to the newly created pack object.
-  Pack* CreatePack() {
-    return object_manager_->CreatePack();
-  }
+  Pack* CreatePack();
 
   // Node methods --------------------------
 
   // Returns the transform graph root transform
   // Parameters:
   //  None
   // Returns:
   //  A pointer to the transform graph root Transform
   inline Transform* root() const {
     return root_.Get();
@@ skipping 386 matching lines @@
 #ifdef OS_WIN
   int calls_;  // Used to check reentrancy along with ScopedIncrement.
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(Client);
 };  // Client
 
 }  // namespace o3d
 
 #endif  // O3D_CORE_CROSS_CLIENT_H_