gameserver: add a convar

Author: RaphaelIT7

README.md

@@ -3438,6 +3438,12 @@ Called when a client disconnects.
 > [!NOTE]
 > This **requires** the `sourcetv` module to be enabled, or else it **won't** be called.
 
+### ConVars
+
+#### holylib_gameserver_disablespawnsafety (default `0`)
+If enabled, players can spawn on slots above 128 but this WILL cause stability and many other issues!  
+Added to satisfy curiosity & test around with slots above 128.
+
 ### Singleplayer
 This module allows you to have a 1 slot / a singleplayer server.  
 Why? I don't know, but you can.  

source/modules/gameserver.cpp

@@ -22,6 +22,8 @@ class CGameServerModule : public IModule
 	virtual int Compatibility() { return LINUX32; };
 };
 
+static ConVar gameserver_disablespawnsafety("holylib_gameserver_disablespawnsafety", "0", 0, "If enabled, players can spawn on slots above 128 but this WILL cause stability and many other issues!");
+
 CGameServerModule g_pGameServerModule;
 IModule* pGameServerModule = &g_pGameServerModule;
 
@@ -1609,7 +1611,7 @@ static int FindFreeClientSlot()
 static Detouring::Hook detour_CGameClient_SpawnPlayer;
 void hook_CGameClient_SpawnPlayer(CGameClient* client)
 {
-	if (client->m_nClientSlot < MAX_PLAYERS)
+	if (client->m_nClientSlot < MAX_PLAYERS && !gameserver_disablespawnsafety.GetBool())
 	{
 		detour_CGameClient_SpawnPlayer.GetTrampoline<Symbols::CGameClient_SpawnPlayer>()(client);
 		return;