Your Code

//My First Gamemode
#include <a_samp>

//My System Colours
#define COLOR_ORANGE 0xFFA500FF
#define COLOR_LIMEGREEN 0x32CD32FF
#define COLOR_ROYALBLUE 0x4169E1FF
#define COLOR_SALMON 0xFA8072FF
#define COLOR_GREY 0xAFAFAFAA
#define COLOR_GREEN 0x33AA33AA
#define COLOR_RED 0xAA3333AA
#define COLOR_YELLOW 0xFFFF00AA
#define COLOR_WHITE 0xFFFFFFAA
#define COLOR_BLUE 0x0000BBAA
#define COLOR_LIGHTBLUE 0x33CCFFAA
#define COLOR_RED 0xAA3333AA
main()
{
print("\n----------------------------------");
print(" Blank Gamemode by your name here");
print("----------------------------------\n");
}

public OnGameModeInit()
{
// Don't use these lines if it's a filterscript
SetGameModeText("Blank Script");
AddPlayerClass(0, 1958.3783, 1343.1572, 15.3746, 269.1425, 0, 0, 0, 0, 0, 0);
return 1;
}

public OnGameModeExit()
{
return 1;
}

public OnPlayerRequestClass(playerid, classid)
{
SetPlayerPos(playerid, 1958.3783, 1343.1572, 15.3746);
SetPlayerCameraPos(playerid, 1958.3783, 1343.1572, 15.3746);
SetPlayerCameraLookAt(playerid, 1958.3783, 1343.1572, 15.3746);
return 1;
}

public OnPlayerConnect(playerid)
{
ShowPlayerDialog(playerid, 2, DIALOG_STYLE_LIST, "Select your class!", "Pilot \n Trucker", "Spawn", "Cancel");
return 1;
}

public OnDialogResponse(playerid, dialogid, response, listitem, inputtext[])
{
    if(dialogid == 2)
    {
        if(!response) return 1;
        if(listitem == 0)
        {
            SendClientMessage(playerid, -1, "You have spawned as a pilot!");
            SetSpawnInfo(playerid, 0, 61, 1326.6730, 1502.4309, 14.7109, 269.15, 0, 0, 0, 0, 0, 0);
            SpawnPlayer(playerid);
        }
        if(listitem == 1)
        {
            SendClientMessage(playerid, -1, "You have spawned as a trucker!");
            SetSpawnInfo(playerid, 0, 72, -2105.3228, -124.2982, 37.2531, 269.15, 0, 0, 0, 0, 0, 0);
            SpawnPlayer(playerid);
        }
    }
    return 1;
}

public OnPlayerDisconnect(playerid, reason)
{
return 1;
}

public OnPlayerSpawn(playerid)
{
return 1;
}

public OnPlayerDeath(playerid, killerid, reason)
{
return 1;
}

public OnVehicleSpawn(vehicleid)
{
return 1;
}

public OnVehicleDeath(vehicleid, killerid)
{
return 1;
}

public OnPlayerText(playerid, text[])
{
return 1;
}

public OnPlayerCommandText(playerid, cmdtext[])
{
if (strcmp("/mycommand", cmdtext, true, 10) == 0)
{
// Do something here
return 1;
}
return 0;
}

public OnPlayerEnterVehicle(playerid, vehicleid, ispassenger)
{
return 1;
}

public OnPlayerExitVehicle(playerid, vehicleid)
{
return 1;
}

public OnPlayerStateChange(playerid, newstate, oldstate)
{
return 1;
}

public OnPlayerEnterCheckpoint(playerid)
{
return 1;
}

public OnPlayerLeaveCheckpoint(playerid)
{
return 1;
}

public OnPlayerEnterRaceCheckpoint(playerid)
{
return 1;
}

public OnPlayerLeaveRaceCheckpoint(playerid)
{
return 1;
}

public OnRconCommand(cmd[])
{
return 1;
}

public OnPlayerRequestSpawn(playerid)
{
return 1;
}

public OnObjectMoved(objectid)
{
return 1;
}

public OnPlayerObjectMoved(playerid, objectid)
{
return 1;
}

public OnPlayerPickUpPickup(playerid, pickupid)
{
return 1;
}

public OnVehicleMod(playerid, vehicleid, componentid)
{
return 1;
}

public OnVehiclePaintjob(playerid, vehicleid, paintjobid)
{
return 1;
}

public OnVehicleRespray(playerid, vehicleid, color1, color2)
{
return 1;
}

public OnPlayerSelectedMenuRow(playerid, row)
{
return 1;
}

public OnPlayerExitedMenu(playerid)
{
return 1;
}

public OnPlayerInteriorChange(playerid, newinteriorid, oldinteriorid)
{
return 1;
}

public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
return 1;
}

public OnRconLoginAttempt(ip[], password[], success)
{
return 1;
}

public OnPlayerUpdate(playerid)
{
return 1;
}

public OnPlayerStreamIn(playerid, forplayerid)
{
return 1;
}

public OnPlayerStreamOut(playerid, forplayerid)
{
return 1;
}

public OnVehicleStreamIn(vehicleid, forplayerid)
{
return 1;
}

public OnVehicleStreamOut(vehicleid, forplayerid)
{
return 1;
}

public OnPlayerClickPlayer(playerid, clickedplayerid, source)
{
return 1;
}