doesn't work for what we need but...

implement K_BotDefaultSpectator

src/d_netcmd.c

@@ -3892,8 +3892,6 @@ static void Got_Mapcmd(UINT8 **cp, INT32 playernum)
 
 	if (grandprixinfo.gp)
 	{
-		boolean caughtretry = (gametype == lastgametype
-				&& mapnumber == gamemap);
 		if (gametype != GT_RACE)
 		{
 			grandprixinfo.eventmode = GPEVENT_CHALLENGE;

src/k_bot.cpp

@@ -176,7 +176,7 @@ void K_SetBot(UINT8 newplayernum, UINT16 skinnum, UINT8 difficulty, botStyle_e s
 
 	// The bot may immediately become a spectator AT THE START of a GP.
 	// For each subsequent round of GP, K_UpdateGrandPrixBots will handle this.
-	players[newplayernum].spectator = grandprixinfo.gp && grandprixinfo.initalize;
+	players[newplayernum].spectator = grandprixinfo.gp && grandprixinfo.initalize && K_BotDefaultSpectator();
 
 	skincolornum_t color = static_cast<skincolornum_t>(skins[skinnum].prefcolor);
 	const char *realname = skins[skinnum].realname;

src/k_grandprix.c

@@ -335,7 +335,6 @@ void K_UpdateGrandPrixBots(void)
 	player_t *oldrival = NULL;
 	player_t *newrival = NULL;
 	UINT16 newrivalscore = 0;
-	boolean validbots = (K_UsingLegacyCheckpoints() == false);
 	UINT8 i;
 
 	for (i = 0; i < MAXGPPLAYERS; i++)
@@ -344,13 +343,8 @@ void K_UpdateGrandPrixBots(void)
 		{
 			continue;
 		}
-
-		players[i].spectator = (grandprixinfo.eventmode != GPEVENT_NONE);
-
-		if (!validbots || itembreaker)
-		{
-			players[i].spectator = true;
-		}
+		
+		players[i].spectator = K_BotDefaultSpectator();
 	}
 
 	// Find the rival.
@@ -430,11 +424,10 @@ void K_UpdateGrandPrixBots(void)
 		newrival->botvars.rival = true;
 	}
 
-	if (!validbots)
+	if (K_UsingLegacyCheckpoints() && !K_BotDefaultSpectator())
 	{
 		CONS_Alert(CONS_ERROR, "This map does not use waypoints so bot functionality will not work.\nConsider adding new waypoints directly or via map patching for bot support.\n");
 	}
-
 }
 
 /*--------------------------------------------------
@@ -783,3 +776,35 @@ boolean K_CanChangeRules(boolean allowdemos)
 
 	return true;
 }
+
+/*--------------------------------------------------
+	boolean K_BotDefaultSpectator(player_t *player);
+
+		See header file for description.
+--------------------------------------------------*/
+boolean K_BotDefaultSpectator(void)
+{
+	if (cv_forcebots.value)
+	{
+		return false;
+	}
+
+	if (!(gametyperules & GTR_BOTS))
+	{
+		// This gametype does not support bots.
+		return true;
+	}
+
+	if (grandprixinfo.eventmode != GPEVENT_NONE)
+	{
+		// This is a special round of GP, so bots must spectate.
+		return true;
+	}
+
+	if (K_UsingLegacyCheckpoints())
+	{
+		return true;
+	}
+
+	return false;
+}

src/k_grandprix.h

@@ -186,6 +186,15 @@ void K_PlayerLoseLife(player_t *player);
 
 boolean K_CanChangeRules(boolean allowdemos);
 
+/*--------------------------------------------------
+	boolean K_BotDefaultSpectator(void)
+
+		Check whether bots should spectate this round.
+--------------------------------------------------*/
+
+boolean K_BotDefaultSpectator(void);
+
+
 #ifdef __cplusplus
 } // extern "C"
 #endif