- moved most of gl_setup.cpp to r_data as this is only some data setup in the main map data structures.

- made currentmapsections array something nicer to look at and made it a member of the scene drawer class.

src/p_setup.cpp

@@ -129,6 +129,7 @@ void P_SetSlopes ();
 void P_CopySlopes();
 void BloodCrypt (void *data, int key, int len);
 void P_ClearUDMFKeys();
+void InitRenderInfo();
 
 extern AActor *P_SpawnMapThing (FMapThing *mthing, int position);
 
@@ -4120,6 +4121,7 @@ void P_SetupLevel (const char *lumpname, int position)
 	}
 
 	// This must be done BEFORE the PolyObj Spawn!!!
+	InitRenderInfo();
 	Renderer->PreprocessLevel();
 	InitPortalGroups();