[BleverCastard]

Rough draw up.

PHP Code:

new Checkpoint[MAX_PLAYERS];

CMD:command
{
    Checkpoint[playerid] = 1;
}

// .....
OnPlayerEnterCheckPoint
{
    if(Checkpoint[playerid] == 1)
    {
        // code
    }
    else if(Checkpoint[playerid] == 2)
    {
        // code
    }
    else if...
}