[admantis]

untested

pawn Код:

public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
    if (newkeys & KEY_FIRE)
    {
        if (!IsPlayerInAnyVehicle(playerid))
        {
            new wep = GetPlayerWeapon(playerid)
            if (wep > 0 || wep < 50)
            {
                return PlayerShot;
            }
        }
    }
    return 1;
}

it basically check all the conditions that has to be for a player to shot (at least when he is on foot).