[freshOrange]

On very top

pawn Код:

forward GMChange(playerid);

Under OnGameModeInit

pawn Код:

SetTimer("GMChange",3000000,false); // 5 minutes

pawn Код:

public GMChange(playerid)
{
    SendRconCommand("changemode YOURGMNAME");
    return 1;
}

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Visual (author:Jeffry)

Very top

pawn Код:

forward UpdateTime();

pawn Код:

new Time, TimeM, TimeS;
new Text:Timer;

Under OnGameModeInit

pawn Код:

Timer = TextDrawCreate(550.000000, 30.000000, "5:00");
    TextDrawFont(Timer, 3);
    TextDrawLetterSize(Timer, 0.600000, 1.100000);
    TextDrawSetOutline(Timer, 1);
    TextDrawSetShadow(Timer, 0);

    TimeM = 5;
    TimeS = 0;
    Time = SetTimer("UpdateTime", 1000, true);

pawn Код:

public UpdateTime()
{
    new Str[34];
    TimeS --;
    if(TimeM == 0 && TimeS == 0)
    {
        KillTimer(Time);
    }
    if(TimeS == -1)
    {
        TimeM--;
        TimeS = 59;
    }
    format(Str, sizeof(Str), "%02d:%02d", TimeM, TimeS);
    TextDrawSetString(Timer, Str);
    return 1;
}