fixed selecting ECS/AGA graphics if only ECS or AGA graphics exists

[rocksndiamonds.git] / src / libgame / setup.c

diff --git a/src/libgame/setup.c b/src/libgame/setup.c
index 300e815d919e6f20e40ecd1f9c6bb99659ed2f77..8a99557f557e7cb59bf9eb0f8f174804988b14df 100644 (file)
--- a/src/libgame/setup.c
+++ b/src/libgame/setup.c
@@ -1302,16 +1302,21 @@ static boolean adjustTreeGraphicsForEMC(TreeInfo *node)
 
   while (node)
   {
-    if (node->graphics_set_ecs && !setup.prefer_aga_graphics &&
-       !strEqual(node->graphics_set, node->graphics_set_ecs))
-    {
-      setString(&node->graphics_set, node->graphics_set_ecs);
-      settings_changed = TRUE;
-    }
-    else if (node->graphics_set_aga && setup.prefer_aga_graphics &&
-            !strEqual(node->graphics_set, node->graphics_set_aga))
+    boolean want_ecs = (setup.prefer_aga_graphics == FALSE);
+    boolean want_aga = (setup.prefer_aga_graphics == TRUE);
+    boolean has_only_ecs = (!node->graphics_set && !node->graphics_set_aga);
+    boolean has_only_aga = (!node->graphics_set && !node->graphics_set_ecs);
+    char *graphics_set = NULL;
+
+    if (node->graphics_set_ecs && (want_ecs || has_only_ecs))
+      graphics_set = node->graphics_set_ecs;
+
+    if (node->graphics_set_aga && (want_aga || has_only_aga))
+      graphics_set = node->graphics_set_aga;
+
+    if (graphics_set && !strEqual(node->graphics_set, graphics_set))
     {
-      setString(&node->graphics_set, node->graphics_set_aga);
+      setString(&node->graphics_set, graphics_set);
       settings_changed = TRUE;
     }