#define MAX_TIMERS 10
#define TIMERS_UPDATE 100

forward TOnGameModeInit();
forward UpdateTimers();

new TimerTime[MAX_TIMERS], TimerInterval[MAX_TIMERS], bool: TimerRepeating[MAX_TIMERS];
new TimerName[MAX_TIMERS][75];

public OnGameModeInit()
{
    SetTimer("UpdateTimers", TIMERS_UPDATE, 1);
    return CallLocalFunction("TOnGameModeInit", "");
}

public UpdateTimers()
{
    new GetTime = GetTickCount();
    for(new A; A != MAX_TIMERS; A++)
    {
        if(!TimerTime[A]) continue;
        if(TimerTime[A] <= GetTime)
        {
            if(!TimerRepeating[A]) TimerTime[A] = 0; else TimerTime[A] = GetTime + TimerInterval[A];
            CallLocalFunction(TimerName[A], "");
        }
    }
    return 1;
}

stock TSetTimer(const funcname[], const interval, bool: repeating)
{
    for(new A; A != MAX_TIMERS; A++)
    {
        if(TimerTime[A] != 0) continue;
        strmid(TimerName[A], funcname, 0, strlen(funcname));
        TimerInterval[A] = interval;
        TimerTime[A] = GetTickCount() + interval;
        TimerRepeating[A] = repeating;
        return - (A + MAX_TIMERS + 1);
    }
    return -1;
}

stock KillTimerEx(timerid)
{
    if(timerid < -1) return TimerTime[- (timerid - MAX_TIMERS - 1)] = 0;
    return KillTimer(timerid);
}

#define SetTimer TSetTimer
#define KillTimer KillTimerEx

#if defined _ALS_OnGameModeInit
    #undef OnGameModeInit
#else
    #define _ALS_OnGameModeInit
#endif
#define OnGameModeInit TOnGameModeInit