GPS

#define FILTERSCRIPT
#include <a_samp>
#include <zcmd>

#define GPS 10
#define GPSLS 11
#define GPSLV 12
#define GPSSF 13

CMD:gps(playerid, params[])
{
    if(IsPlayerInAnyVehicle(playerid))
    {
    ShowPlayerDialog(playerid, GPS, DIALOG_STYLE_LIST, "GPS", "Los Santos\nLas Venturas\nSan Fierro", "Select", "Close");
    return 1;
    }
    GameTextForPlayer(playerid, "~r~You're not in a vehicle", 2000, 1);
    return 1;
  }

public OnDialogResponse(playerid, dialogid, response, listitem, inputtext[])
{
    if(response)
        {
            switch(dialogid == GPS)
           {
               case 1:
               {
                  switch(listitem)
                 {
                case 0:
               {
               ShowPlayerDialog(playerid, GPSLS, DIALOG_STYLE_LIST, "Los Santos", "Los Santos police department\n", "Select", "Close");
               }
               case 1:
               {
               ShowPlayerDialog(playerid, GPSLV, DIALOG_STYLE_LIST, "Las Venturas", "Las Venturas police department\n", "Select", "Close");
               }
               case 2:
               {
               ShowPlayerDialog(playerid, GPSSF, DIALOG_STYLE_LIST, "San Fierro", "San Fierro police department\n", "Select", "Close");
               }
           }
        }
      }
    }
    if(dialogid == GPSLS)
    {
        if(!response) return 0;
        {
            switch(listitem)
            {
                case 0:
                {
                 SetPlayerCheckpoint(playerid, 1533.1295,-1657.7357,13.3828, 8);
                 GameTextForPlayer(playerid, "~g~Los Santos police department is located on your minimap!", 2000, 1);
                }
            }
          }
        }
    if(dialogid == GPSLV)
    {
        if(!response) return 0;
        {
            switch(listitem)
            {
                case 0:
                {
                 SetPlayerCheckpoint(playerid, 2230.2854,2470.0540,10.8203, 8);
                 GameTextForPlayer(playerid, "~g~Las Venturas police department is located on your minimap!", 2000, 1);
                }
            }
        }
    }
    if(dialogid == GPSSF)
    {
        if(!response) return 0;
        {
            switch(listitem)
            {
                case 0:
                {
                 SetPlayerCheckpoint(playerid, -1563.9243,659.6130,7.0391, 8);
                 GameTextForPlayer(playerid, "~g~San Fierro police department is located on your minimap!", 2000, 1);
                }
            }
          }
        }
    return 1;
}


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

public OnPlayerEnterCheckpoint(playerid)
{
    GameTextForPlayer(playerid, "You have reached your destination", 2000, 1);
    DisablePlayerCheckpoint(playerid);
    return 1;
}