Let the menu progs know when we're actually in a single/multi-player game.

It seems that the maxclients serverinfo key lies to the client, so we work
around that by setting our own

src/client/entry.c

@@ -89,6 +89,12 @@ CSQC_Init(float apilevel, string enginename, float engineversion)
 	Sentences_Init();
 	Decals_Init();
 	Way_Init();
+
+	/* let the menu know we're a multi or a singleplayer game */
+	if (serverkeyfloat("sv_playerslots") == 1)
+		cvar_set("_menu_singleplayer", "1");
+	else
+		cvar_set("_menu_singleplayer", "0");
 }
 
 /* Rendering Caches */

src/menu-fn/defs.h

@@ -15,6 +15,7 @@
  */
 
 var int autocvar_menu_intro = TRUE;
+var int autocvar__menu_singleplayer;
 
 #define KEY_UNKNOWN			-1
 #define KEY_GAME			0

src/menu-fn/m_multiplayer.cpp

@@ -293,7 +293,7 @@ menu_multiplayer_draw(void)
 {
 	Header_Draw(HEAD_MULTI);
 
-	if (clientstate() == 2 && !g_background) {
+	if (!autocvar__menu_singleplayer && clientstate() == 2 && !g_background) {
 		Widget_Draw(fn_multiplayer2);
 
 		WLabel_Static(215, 148, m_reslbl[IDS_MULTI_RESUMEHELP], 10, 10, col_help,
@@ -357,7 +357,7 @@ menu_multiplayer_input(float evtype, float scanx, float chary, float devid)
 	if (g_connectstatus)
 		return;
 
-	if (clientstate() == 2 && !g_background)
+	if (!autocvar__menu_singleplayer && clientstate() == 2 && !g_background)
 		Widget_Input(fn_multiplayer2, evtype, scanx, chary, devid);
 	else
 		Widget_Input(fn_multiplayer, evtype, scanx, chary, devid);

src/server/entry.c

@@ -416,6 +416,10 @@ void initents(void)
 	} else {
 		forceinfokey(world, "background", "0");
 	}
+
+	/* the maxclients serverinfo key? yeah, that one lies to the client. so
+	 * let's add our own that we can actually trust. */
+	forceinfokey(world, "sv_playerslots", cvar_string("sv_playerslots"));
 }
 
 /*