vr:: emptyscreen() so that VR knows what to do if there is no screen

config.cpp

@@ -2790,6 +2790,7 @@ void list_setting::show_edit_option(char key) {
   dialog::addSelItem(XLAT(menu_item_name), XLAT(options[get_value()].first), key);
   dialog::add_action_push([this] {
     add_to_changed(this);
+    gamescreen(2);
     dialog::init(XLAT(menu_item_name));
     dialog::addBreak(100);
     int q = isize(options);

dialogs.cpp

@@ -667,6 +667,7 @@ EX namespace dialog {
   EX void drawColorDialog() {
     cmode = sm::NUMBER | dialogflags;
     if(cmode & sm::SIDE) gamescreen(0);
+    else emptyscreen();
 
     dcenter = vid.xres/2;
     dwidth = vid.xres;
@@ -875,6 +876,7 @@ EX namespace dialog {
     cmode = sm::NUMBER | dialogflags;
     if(numberdark < DONT_SHOW)
     gamescreen(numberdark);
+    else emptyscreen();
     init(ne.title);
     addInfo(ne.s);
     if(ne.intval && ne.sc.direct == &identity_f)
@@ -1267,6 +1269,7 @@ EX namespace dialog {
     cmode = sm::NUMBER | dialogflags;
     if(numberdark < DONT_SHOW)
     gamescreen(numberdark);
+    else emptyscreen();
     init(ne.title);
     addInfo(view_edited_string());
     addBreak(100);

graph.cpp

@@ -5112,6 +5112,12 @@ EX void gamescreen(int _darken) {
   #endif
   }
 
+EX void emptyscreen() {
+  ptds.clear();
+  ray::in_use = false;
+  drawqueue();
+  }
+
 EX bool nohelp;
 EX bool no_find_player;