[Shinja]

Try this code

PHP код:

public OnPlayerStateChange(playerid, newstate, oldstate)
{
    if(oldstate == PLAYER_STATE_ONFOOT && newstate == PLAYER_STATE_DRIVER)
    {
                new weapon, ammo;
        GetPlayerWeaponData(playerid, 4, weapon, ammo);
        if(ammo>0) SetPlayerArmedWeapon(playerid, weapon);
    }
    return 1;
}