toggle

#include <sourcemod>

new g_iTimeLimit;
ConVar g_Cvar_Timelimit;
int g_iTeamsReady;
bool g_bTimerSetBack;		//i.e have we already changed the var to its default

public Plugin myinfo =
{
    name = "TimeLimit Toggle",
    author = "tevo",
    description = "toggles the command mp_timelimit between 0 and the set server time limit",
    version = "0.1",
    url = "http://www.sourcemod.net/"
};

public void OnPluginStart()
{
    g_Cvar_Timelimit = FindConVar("mp_timelimit");
    RegAdminCmd("sm_timeon", Command_TimeOn, ADMFLAG_GENERIC);
    RegAdminCmd("sm_timeoff", Command_TimeOff, ADMFLAG_GENERIC);
	HookEvent("teamplay_round_start", Event_RoundStart);
	HookEvent("tournament_stateupdate", Event_StateUpdate);
}

public void OnConfigsExecuted()
{
	g_bTimerSetBack = false;
	g_iTeamsReady = 0;
    g_iTimeLimit = g_Cvar_Timelimit.IntValue;      	//stores the timelimit value as loaded in server.cfg file.
    g_Cvar_Timelimit.SetInt(0);                 	//disables timelimit
}

public Action Command_TimeOn(int client, int args)
{
    PrintToServer("Timeon");
    g_Cvar_Timelimit.SetInt(g_iTimeLimit);
    return Plugin_Handled;
}

public Action Command_TimeOff(int client, int args)
{
    PrintToServer("Timeoff");
    g_Cvar_Timelimit.SetInt(0);
    return Plugin_Handled;
}

public void Event_StateUpdate(Event event, const char[] name, bool dontBroadcast)
{
	new iStateUpdate = event.GetBool("readystate");
	if (iStateUpdate == 1)
	{
		g_iTeamsReady++;
	}
	else
	{
		g_iTeamsReady--;
	}
	PrintToServer("TEAMS READY: %d", g_iTeamsReady);
}

public void Event_RoundStart(Event event, const char[] name, bool dontBroadcast)
{
	if ((g_bTimerSetBack == false) && (g_iTeamsReady == 2))
	{
		g_Cvar_Timelimit.SetInt(g_Cvar_Timelimit);
		g_bTimerSetBack = true;
	}
}