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

core/cross/object_manager.cc

 /*
  * 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 25 matching lines @@
 #include "core/cross/pack.h"
 #include "core/cross/client.h"
 
 namespace o3d {
 
 const InterfaceId ObjectManager::kInterfaceId =
     InterfaceTraits<ObjectManager>::kInterfaceId;
 
 ObjectManager::ObjectManager(ServiceLocator* service_locator)
     : service_locator_(service_locator),
-      service_(service_locator_, this),
-      allow_pack_creation_(true) {
+      service_(service_locator_, this) {
 }
 
 ObjectManager::~ObjectManager() {
   // Free all the packs.
   pack_array_.clear();
 
   DLOG_ASSERT(object_map_.empty()) << "Client node leak.";
 }
 
-void ObjectManager::DisallowPackCreation() {
-  allow_pack_creation_ = false;
-}
-
 std::vector<ObjectBase*> ObjectManager::GetObjects(
     const String& name,
     const String& class_type_name) const {
   ObjectBaseArray objects;
   ObjectMap::const_iterator end(object_map_.end());
   for (ObjectMap::const_iterator iter(object_map_.begin());
        iter != end;
        ++iter) {
     if (iter->second->IsAClassName(class_type_name) &&
         iter->second->IsA(NamedObjectBase::GetApparentClass()) &&
@@ skipping 56 matching lines @@
                                      pack);
   DLOG_ASSERT(iter != pack_array_.end()) << "Destruction of unknown pack.";
   if (iter != pack_array_.end()) {
     pack_array_.erase(iter);
     return true;
   }
   return false;
 }
 
 Pack* ObjectManager::CreatePack() {
-  if (!allow_pack_creation_) {
-    O3D_ERROR(service_locator_) << "Pack creation not allowed";
-    return NULL;
-  }
   Pack::Ref pack(new Pack(service_locator_));
   if (pack) {
     pack_array_.push_back(pack);
   }
   return pack;
 }
 
 void ObjectManager::DestroyAllPacks() {
   pack_array_.clear();
 }
 }  // namespace o3d