don't allow retry on battlemaps

leaderboard.lua

@@ -12,7 +12,6 @@ local splits = {}
 local PATCH = nil
 local help = true
 local EncoreInitial = nil
-local cv_teamchange
 local scoreTable
 
 
@@ -91,6 +90,10 @@ local ticsToTime
 local allowJoin
 ---------------
 
+-- cvars
+local cv_teamchange
+local cv_spbatk
+
 local cv_gui = CV_RegisterVar({
 	name = "lb_gui",
 	defaultvalue = GUI_ON,
@@ -209,17 +212,21 @@ end
 local cv_spb_separate = CV_RegisterVar({
 	name = "lb_spb_combined",
 	defaultvalue = 1,
-	flags = CV_NETVAR | CV_CALL,
+	flags = CV_NETVAR | CV_CALL | CV_NOINIT,
 	PossibleValue = CV_YesNo,
 	func = function(v)
+		local curSep = ST_SEP
+
 		if v.value then
 			ST_SEP = F_SPBATK
 		else
 			ST_SEP = F_SPBATK | F_SPBBIG | F_SPBEXP
 		end
 
+		if curSep != ST_SEP then
 			reinit_lb()
 		end
+	end
 })
 
 local function score_t(map, name, skin, color, time, splits, flags, stat)
@@ -367,6 +374,12 @@ end
 
 local function retry(player, ...)
 	if doyoudare(player) then
+		-- Verify valid race level
+		if not (mapheaderinfo[gamemap].typeoflevel & (TOL_SP | TOL_RACE)) then
+			CONS_Printf(player, "Battle maps are not supported")
+			return
+		end
+
 		-- Prevents bind crash
 		if leveltime < 20 then
 			return
@@ -1379,10 +1392,15 @@ local function think()
 				end
 			end
 		end
+		if not cv_spbatk then
+			cv_spbatk = CV_FindVar("spbatk")
+		end
 
 		-- Gamemode flags
 		Flags = $ & !(F_SPBATK | F_SPBEXP | F_SPBBIG | F_SPBJUS)
-		if leveltime > START_TIME - (3 * TICRATE) / 2 and server.SPBArunning then
+		if server.SPBArunning
+		   and cv_spbatk.value
+		   and leveltime > START_TIME - (3 * TICRATE) / 2 then
 			Flags = $ | F_SPBATK
 			if server.SPBAexpert then
 				Flags = $ | F_SPBEXP
@@ -1405,10 +1423,18 @@ local function think()
 				end
 			end
 
+			-- make sure the spb actually spawned
+			if leveltime == START_TIME - 1 then
+				if not (server.SPBAbomb and server.SPBAbomb.valid) then
+					-- it didn't spawn, clear spb flags
+					Flags = $ & !(F_SPBATK | F_SPBEXP | F_SPBBIG | F_SPBJUS)
 				end
-		if not (Flags & F_SPBATK) then
+			end
+
+		else
 			hud.enable("freeplay")
 		end
+
 	end
 
 	scoreTable = getScoreTable(gamemap, Flags)