X-Git-Url: http://git.eversberg.eu/gitweb.cgi?p=mercenary-reloaded.git;a=blobdiff_plain;f=src%2Fmercenary%2Frender.c;h=5ac62a91b15878cee6eba6b5c6169b75b35463a7;hp=37380db4e94c24258aa77b0cdc047b0f6d85ce8b;hb=0ed3707078ad60ad63cb4ce6f88e6c7ba5a78bd6;hpb=f1a737946d0dbfaabb382086c30b7811c81f32d5

diff --git a/src/mercenary/render.c b/src/mercenary/render.c
index 37380db..5ac62a9 100644
--- a/src/mercenary/render.c
+++ b/src/mercenary/render.c
@@ -2478,8 +2478,9 @@ static void interpolate_objects(double inter)
 /* always renders NEW! items
  * use inter == 1.0 to render motion to vertices of NEW items
  * use inter 0.0 .. 1.0 to interpolate motion between OLD and NEW items
+ * return 0, if the scene was rendered, returns < 0, if there is no scene
  */
-void render_all_items(double inter)
+int render_all_items(double inter)
 {
 	render_item_object_info = NULL;
 	render_item_vertices_0 = render_item_vertices_1 = render_item_vertices_2 = NULL;
@@ -2529,21 +2530,15 @@ void render_all_items(double inter)
 		interpolate_objects(inter);
 	}
 
-	/* add a blank background, if render list is empty */
-	if (!render_list_new) {
-		render_item_t blank;
-		memset(&blank, 0, sizeof(blank));
-		blank.type = RENDER_ITEM_SKY;
-		blank.u.sky.red = 0.5;
-		blank.u.sky.green = 0.5;
-		blank.u.sky.blue = 0.5;
-		render_one_item(&blank);
-		return;
-	}
+	/* return failure, if nothing can be rendered */
+	if (!render_list_new)
+		return -1;
 
 	for (render_item = render_list_new; render_item; render_item = render_item->next) {
 		render_one_item(render_item);
 	}
+
+	return 0;
 }
 
 void render_capture_reset(void)