new allowed[MAX_PLAYERS]=0;
public OnPlayerWeaponShot(playerid, weaponid, hittype, hitid, Float:fX, Float:fY, Float:fZ)
{
	if(IsPlayerInAnyVehicle(playerid) && GetPlayerState(playerid) == PLAYER_STATE_PASSENGER)
	{
	    PlayerLoop(i)
	    {
	        new numri=GetPlayerVehicleID(i);
	        if(numri == GetPlayerVehicleID(playerid))
	        {
	            if(GetPlayerVehicleSeat(i) == 0)
	            {
	                allowed[playerid]=1;
	            }
	            if(allowed[playerid]==0)
	            {
					return SendClientMessage(playerid, COLOR_LIGHTGREY, "You are not allowed to fire weapons in a vehicle without a driver."), SetPlayerArmedWeapon(playerid, 0);
				}
			}
		}
	}
        return 1;
}

public OnPlayerWeaponShot(playerid, weaponid, hittype, hitid, Float:fX, Float:fY, Float:fZ)
{	
	new allowed;

	if (IsPlayerInAnyVehicle(playerid))
	{
		new vehicleid = GetPlayerVehicleID(playerid);

		for (new i = 0; i < MAX_PLAYERS; i++)
		{
			if(GetPlayerVehicleID(i) == vehicleid && GetPlayerState(i) == PLAYER_STATE_DRIVER)
			{
				allowed = 1;
				break;
			}
		}
		
		if (allowed == 0)
		{
			SendClientMessage (playerid, -1, "SERVER: You must have a driver to perform a drive-by!");
			SetPlayerArmedWeapon(playerid, 0);
		}
		
	}
	
	return 1;
}