Fixed a bug were loading a map in radiant wouldn't clear the new cache.

neo/tools/radiant/CamWnd.cpp

@@ -2343,10 +2343,14 @@ void CCamWnd::FreeRendererState() {
 		s_editorEntityStates.RemoveIndex(i);
 	}
 
-	for (entity_t* ent = entities.next; ent != &entities; ent = ent->next) {
-		ent->modelDef = -1;
-		ent->lightDef = -1;
+	if (entities.next != NULL)
+	{
+		for (entity_t* ent = entities.next; ent != &entities; ent = ent->next) {
+			ent->modelDef = -1;
+			ent->lightDef = -1;
+		}
 	}
+	
 
 	for (int i = s_editorBModelStates.Num() - 1; i >= 0; i--) {
 		EditorFreeBModelState(i);

neo/tools/radiant/CamWnd.h

@@ -129,6 +129,8 @@ public:
 		m_Camera.angles = angles;
 	}
 
+	bool CullBrush(brush_t* b, bool cubicOnly);
+	void	FreeRendererState();
 protected:
 	void Cam_Init();
 	void Cam_BuildMatrix();
@@ -138,7 +140,6 @@ protected:
 	void Cam_MouseUp (int x, int y, int buttons);
 	void Cam_MouseMoved (int x, int y, int buttons);
 	void InitCull();
-	bool CullBrush (brush_t *b, bool cubicOnly);
 	void Cam_Draw();
 	void Cam_Render();
 
@@ -154,7 +155,6 @@ protected:
 	bool	selectMode;
 	bool	animationMode;
 	bool	soundMode;
-	void	FreeRendererState();
 	void	UpdateCaption();
 	bool	BuildBrushRenderData(brush_t *brush);
 	void	DrawEntityData();

neo/tools/radiant/EditorBrush.cpp

@@ -3928,7 +3928,7 @@ void Control_Draw(brush_t *b) {
 		}
 
 		glColor4f(1, 1, .5, 1);
-		glBegin(GL_POLYGON);
+		glBegin(GL_QUADS);
 		for (i = 0; i < w->GetNumPoints(); i++) {
 			glVertex3fv( (*w)[i].ToFloatPtr() );
 		}

neo/tools/radiant/EditorMap.cpp

@@ -222,6 +222,8 @@ void Map_Free(void) {
 		}
 	}
 
+	g_pParentWnd->GetCamera()->FreeRendererState();
+
 	// clear all the render and sound system data
 	g_qeglobals.rw->InitFromMap( NULL );
 	g_qeglobals.sw->ClearAllSoundEmitters();