Add the ability to "disable" certain game modes

Players can't vote for disabled game modes, but they can still be forced
with !fgame.

botconfig.py.example

@@ -24,6 +24,9 @@ ADMINS = ("unaffiliated/wolfbot_admin2", "unaffiliated/wolfbot_admin3")  # glob
 OWNERS_ACCOUNTS = ("1owner_acc",)
 ADMINS_ACCOUNTS = ("1admin_acc", "2admin_acc")
 
+# Players can't vote for these game modes, but they can still be forced with !fgame.
+DISABLED_GAMEMODES = []
+
 ALT_CHANNELS = ""
 
 ALLOWED_ALT_CHANNELS_COMMANDS = []

src/wolfgame.py

@@ -7236,7 +7236,7 @@ def game(cli, nick, chan, rest):
             return
         gamemode = match
 
-    if gamemode != "roles":
+    if gamemode != "roles" and gamemode not in botconfig.DISABLED_GAMEMODES:
         var.GAMEMODE_VOTES[nick] = gamemode
         cli.msg(chan, "\002{0}\002 votes for the \002{1}\002 game mode.".format(nick, gamemode))
     else: