Feature For Passenger Drrive By

#include <a_samp>

#define PRESSED(%0) \
             (((newkeys & (%0)) == (%0)) && ((oldkeys & (%0)) != (%0)))

new iTempWeapon[MAX_PLAYERS],
    bool:DriveBy[MAX_PLAYERS];

forward GiveWeaponBack(playerid);

public OnPlayerStateChange(playerid, newstate, oldstate)
{
    if(newstate==PLAYER_STATE_PASSENGER)
    {
         iTempWeapon[playerid] = GetPlayerWeapon(playerid);
         DriveBy[playerid] = false;
    }
    return 1;
}

public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
    if(PRESSED(KEY_CROUCH))
    {
        if(GetPlayerState(playerid) == PLAYER_STATE_PASSENGER)
        {
            if(DriveBy[playerid] == false)
            {
                 DriveBy[playerid] = true;
            }
            else if(DriveBy[playerid] == true)
            {
                SetPlayerArmedWeapon(playerid, 0);
                ApplyAnimation(playerid,"PED","CAR_GETIN_RHS",4.1,0,0,0,0,1,1);
                SetTimerEx("GiveWeaponBack",350,0,"d",playerid);
                DriveBy[playerid] = true;
             }
         }
    }
    return 1;
}

public GiveWeaponBack(playerid)
{
    new ammo;
    GetPlayerWeaponData(playerid, GetWeaponSlot(iTempWeapon[playerid]), ammo, ammo);
    if(ammo > 0) SetPlayerArmedWeapon(playerid, iTempWeapon[playerid]);
    DriveBy[playerid] = false;
}

stock GetWeaponSlot(weaponid)
{
    new slotid;
    switch(weaponid) {
    case 0,1:               slotid = 0;
    case 2,3,4,5,6,7,8,9:   slotid = 1;
    case 22,23,24:          slotid = 2;
    case 25,26:             slotid = 3;
    case 28,29,32:          slotid = 4;
    case 30,31:             slotid = 5;
    case 33,34:             slotid = 6;
    case 35,36,37,38:       slotid = 7;
    case 16,17,18,19,39:    slotid = 8;
    case 41,42,43:          slotid = 9;
    case 10,11,12,13,14,15: slotid = 10;
    case 44,45,46:          slotid = 11;
    case 40:                slotid = 12; }
    return slotid;
}