Reverted the frstum culling test to the old one which was fine, except for the wrong usage of isFrontFacing...

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@671 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CSceneManager.cpp

@@ -839,16 +839,14 @@ bool CSceneManager::isCulled(ISceneNode* node)
 
 			for (s32 i=0; i<scene::SViewFrustum::VF_PLANE_COUNT; ++i)
 			{
-				bool pointInFrustum=false, pointOutsideFrustum=false;
-				for (u32 j=0; (j<8) && (!pointInFrustum || !pointOutsideFrustum); ++j)
+				bool boxInFrustum=false;
+				for (u32 j=0; j<8; ++j)
 				{
 					if (frust.planes[i].classifyPointRelation(edges[j]) != core::ISREL3D_FRONT)
-						pointInFrustum=true;
-					else
-						pointOutsideFrustum=true;
+						boxInFrustum=true;
 				}
 
-				if (!pointInFrustum)
+				if (!boxInFrustum)
 					return true;
 			}
 

source/Irrlicht/OctTree.h

@@ -307,18 +307,17 @@ private:
 
 				for (i=0; i<scene::SViewFrustum::VF_PLANE_COUNT; ++i)
 				{
-					u32 inFrustum=0, outFrustum=0;
+					bool boxInFrustum=false;
 
 					for (int j=0; j<8; ++j)
 						if (frustum.planes[i].classifyPointRelation(edges[j]) != core::ISREL3D_FRONT)
-							++inFrustum;
-						else
-							++outFrustum;
+						{
+							boxInFrustum=true;
+							break;
+						}
 
 					if (!inFrustum) // all edges outside
 						return;
-					else if (outFrustum) // intersection of plane
-						break;
 				}
 			}