[edgargreat]

PHP код:

Trucker_OnPlayerEnterCheckpoint(playerid)
{
    // Check if the player is inside his vehicle while entering a checkpoint
    if (GetPlayerVehicleID(playerid) == APlayerData[playerid][VehicleID])
    {
        // Also check if the player still has his trailer attached
        if (APlayerData[playerid][TrailerID] == GetVehicleTrailer(GetPlayerVehicleID(playerid)))
        {
            // Check the jobstep
            switch (APlayerData[playerid][JobStep])
            {
                // JobStep is 1 (truckdriver is loading his goods at the checkpoint)
                 case 1:
                 }
                  format(RouteText, 50, "Loading");
                  TextDrawSetString(APlayerData[playerid][MissionText], RouteText);
                }
                // JobStep is 2 (truckdriver is unloading his goods at the checkpoint) or 3 (unloading for convoys)
                case 2, 3:
                }
                  format(RouteText, 50, "Unloading");
                  TextDrawSetString(APlayerData[playerid][MissionText], RouteText);
                }
               }
            // Disable the player's actions (he cannot move anymore)
            TogglePlayerControllable(playerid, 0);
            // Start a timer (Public function "LoadUnload(playerid)" gets called when the timer runs out)
            APlayerData[playerid][LoadingTimer] = SetTimerEx("Trucker_LoadUnload", 5000, false, "d" , playerid);
        }
        else
            SendClientMessage(playerid, 0xFFFFFFFF, TXT_NeedTrailerToProceed);
    }
    else
        SendClientMessage(playerid, 0xFFFFFFFF, TXT_NeedVehicleToProceed);

    return 1;
} 


Try that.