ref_soft: Fix R_NewMap, prevent crashes on changelevel/restart

r_decals.c

@@ -1173,7 +1173,7 @@ int R_CreateDecalList( decallist_t *pList )
 	int	total = 0;
 	int	i, depth;
 
-	return 0; // crash on changelevel. API bug?
+//	return 0; // crash on changelevel. API bug?
 
 	if( WORLDMODEL )
 	{

r_main.c

@@ -1822,7 +1822,10 @@ R_NewMap
 */
 void R_NewMap (void)
 {
+	int i;
 	r_viewcluster = -1;
+	R_ClearDecals(); // clear all level decals
+	R_StudioResetPlayerModels();
 
 	D_FlushCaches( true );
 
@@ -1860,6 +1863,10 @@ void R_NewMap (void)
 	{
 			auxedges = malloc (r_numallocatededges * sizeof(edge_t));
 	}
+
+	// clear out efrags in case the level hasn't been reloaded
+	for( i = 0; i < WORLDMODEL->numleafs; i++ )
+		WORLDMODEL->leafs[i+1].efrags = NULL;
 }
 
 /*