[IceBilizard]

Its simple

first of all define your trailer variables.

PHP код:

new trailer[12];//You can increase or decrease the amount of variable. 


then go OnGameModInt and create trailer vehicles

PHP код:

//Normal Trailers
trailer[0] = AddStaticVehicle(435, Float:x, Float:y, Float:z, Float:angle, -1, -1);
trailer[1] = AddStaticVehicle(435, Float:x, Float:y, Float:z, Float:angle, -1, -1);
trailer[2] = AddStaticVehicle(435, Float:x, Float:y, Float:z, Float:angle, -1, -1);
trailer[3] = AddStaticVehicle(435, Float:x, Float:y, Float:z, Float:angle, -1, -1);
trailer[4] = AddStaticVehicle(435, Float:x, Float:y, Float:z, Float:angle, -1, -1);
trailer[5] = AddStaticVehicle(435, Float:x, Float:y, Float:z, Float:angle, -1, -1);
//Fuel Trailers
trailer[6] = AddStaticVehicle(584, Float:x, Float:y, Float:z, Float:angle, -1, -1);
trailer[7] = AddStaticVehicle(584, Float:x, Float:y, Float:z, Float:angle, -1, -1);
trailer[8] = AddStaticVehicle(584, Float:x, Float:y, Float:z, Float:angle, -1, -1);
trailer[9] = AddStaticVehicle(584, Float:x, Float:y, Float:z, Float:angle, -1, -1);
trailer[10] = AddStaticVehicle(584, Float:x, Float:y, Float:z, Float:angle, -1, -1);
trailer[11] = AddStaticVehicle(584, Float:x, Float:y, Float:z, Float:angle, -1, -1); 


Now create 2 stocks to detect the Trailer is fuel one or normal

PHP код:

stock NormalTrailer(vehicleid)
{
  if(GetVehicleTrailer(vehicleid) == trailer[0] || GetVehicleTrailer(vehicleid) == trailer[1] || GetVehicleTrailer(vehicleid) == trailer[2]) return 1;
  if(GetVehicleTrailer(vehicleid) == trailer[3] || GetVehicleTrailer(vehicleid) == trailer[4] || GetVehicleTrailer(vehicleid) == trailer[5]) return 1;
  return 0;
}
stock FuelTrailer(vehicleid)
{
    if(GetVehicleTrailer(vehicleid) == trailer[6] || GetVehicleTrailer(vehicleid) == trailer[7] ||GetVehicleTrailer(vehicleid) == trailer[8] ||GetVehicleTrailer(vehicleid) == trailer[9]) return 1;
    if(GetVehicleTrailer(vehicleid) == trailer[10] || GetVehicleTrailer(vehicleid) == trailer[11]) return 1;
    return 0;
} 


After This goto your function of truck mission

PHP код:

stock T_NewJob(playerid)
{
    new MisRand = random(sizeof(MisLocations));
    new vID = GetPlayerVehicleID(playerid);
    if(GetVehicleModel(vID)== 403 || GetVehicleModel(vID)== 515 || GetVehicleModel(vID) == 514)
    {
        if(IsTrailerAttachedToVehicle(vID))
        {
            if(NormalTrailer(vID))//Its Normal Trailer
               {
            
                //Your code for Normal Trailer
            }
            else if(FuelTrailer(vID))
            {
                //Your code for Fuel Trailer
            }
        }
        else
        {
                SendClientMessage(playerid, -1, "You need a trailer!");
        }
    }
    else
    {
        SendClientMessage(playerid, -1, "You must be in a Truck to perform this!");
    }
    return 1;
}