[Spmn]

Код:

public OnPlayerUpdate(playerid)
{
    if(IsPlayerInCheckpoint(playerid) && bSpeedFrozen[playerid] && GetPlayerState(playerid) == PLAYER_STATE_DRIVER)
        SetVehicleVelocity(GetPlayerVehicleID(playerid), 0.0, 0.0, 0.0);
}

Unde bSpeedFrozen spune daca masina ar trebui sa fie blocata sau nu.