- Implemented methods for determining amount of scene that has streamed in. (KRScene::getStreamLevel, KRNode::getStreamLevel, KRModel::getStreamLevel, KRMaterial::getStreamLevel, and KRTexture::getStreamLevel

- Implemented connection between LOD groups and texture streaming, which delays the switch to a new LOD group until the required textures have completed streaming in.
- Corrected bug in KRMaterial that resulted in reflection cube texture names being formatted incorrectly in the mtl file
- Scene graph now requires that lod_group nodes only be contained within lod_set nodes.
- Scene graph  group nodes that do not have a LOD minimum or maximum distance are now stored as "node" rather than as "lod_group" nodes.
- IMPORTANT!  Scenes exported with this version will not be backwards compatible with earlier versions due to the requirement of lod_set nodes.

--HG--
branch : nfb
extra : rebase_source : 1ff640b85338a794841ebbb2bf0087306ff59143

KREngine/kraken/KRLODGroup.cpp

@@ -7,6 +7,7 @@
 //
 
 #include "KRLODGroup.h"
+#include "KRLODSet.h"
 #include "KRContext.h"
 
 KRLODGroup::KRLODGroup(KRScene &scene, std::string name) : KRNode(scene, name)
@@ -128,22 +129,6 @@ bool KRLODGroup::getLODVisibility(const KRViewport &viewport)
     }
 }
 
-void KRLODGroup::updateLODVisibility(const KRViewport &viewport)
-{
-    bool new_visibility = getLODVisibility(viewport);
-    if(!new_visibility) {
-        hideLOD();
-    } else {
-        if(!m_lod_visible) {
-            getScene().notify_sceneGraphCreate(this);
-            m_lod_visible = true;
-        }
-        for(std::set<KRNode *>::iterator itr=m_childNodes.begin(); itr != m_childNodes.end(); ++itr) {
-            (*itr)->updateLODVisibility(viewport);
-        }
-    }
-}
-
 float KRLODGroup::getMinDistance()
 {
     return m_min_distance;