Vehicle Damage Enabler [Alpha v2.1]

/*************************************
**************************************
******* Vehicle Damage Enabler *******
*******[Alpha v2.1] by Salvator ******
**************************************
**************************************/

//Credits and thanks
//==================
//AmigaBlizzard for showing me IsAirModel function
//Gammix's vehicleplus.inc helped me with defining wheels position.
//Abagail for improved IsDriverAvalable call and player loop.

#include <a_samp>

public OnFilterScriptInit()
{
    print("Vehicle Damage Enabler [Alpha v2.1] by Salvator");
    return 1;
}

new AirDamage[] =
{
    0,  // 0
    0,  // 1
    0,  // 2
    0,  // 3
    0,  // 4
    0,  // 5
    0,  // 6
    0,  // 7
    0,  // 8
    0,  // 9
    0,  // 10
    0,  // 11
    0,  // 12
    0,  // 13
    0,  // 14
    0,  // 15
    0,  // 16
    0,  // 17
    0,  // 18
    0,  // 19
    0,  // 20
    0,  // 21
    10, // 22
    16, // 23
    56, // 24
    60, // 25
    60, // 26
    48, // 27
    8,  // 28
    10, // 29
    12, // 30
    12, // 31
    8,  // 32
    30, // 33
    50, // 34
    0,  // 35
    0,  // 36
    0,  // 37
    56, // 38
    0,  // 39
};

new VehDamage[] =
{
    0,   // 0
    0,   // 1
    0,   // 2
    0,   // 3
    0,   // 4
    0,   // 5
    0,   // 6
    0,   // 7
    0,   // 8
    0,   // 9
    0,   // 10
    0,   // 11
    0,   // 12
    0,   // 13
    0,   // 14
    0,   // 15
    0,   // 16
    0,   // 17
    0,   // 18
    0,   // 19
    0,   // 20
    0,   // 21
    25,  // 22
    40,  // 23
    140, // 24
    150, // 25
    150, // 26
    120, // 27
    20,  // 28
    25,  // 29
    30,  // 30
    30,  // 31
    20,  // 32
    75,  // 33
    125, // 34
    0,   // 35
    0,   // 36
    0,   // 37
    140, // 38
    0,   // 39
};

new
     vehicleDriver[MAX_VEHICLES] = INVALID_PLAYER_ID,
     playerCurVeh[MAX_PLAYERS] = INVALID_VEHICLE_ID;

public OnPlayerStateChange(playerid, newstate, oldstate)
{
    if(newstate == PLAYER_STATE_DRIVER)
    {
        if(GetPlayerVehicleID(playerid) != INVALID_VEHICLE_ID)
        {
            vehicleDriver[GetPlayerVehicleID(playerid)] = playerid;
            playerCurVeh[playerid] = GetPlayerVehicleID(playerid);
        }
    }
    else if(oldstate == PLAYER_STATE_DRIVER)
        {
            if(playerCurVeh[playerid] != INVALID_VEHICLE_ID)
            {
                if(vehicleDriver[playerCurVeh[playerid]] == playerid) vehicleDriver[playerCurVeh[playerid]] = INVALID_PLAYER_ID;
                playerCurVeh[playerid] = INVALID_VEHICLE_ID;
            }
        }
    return 1;
}

public OnPlayerDisconnect(playerid, reason) {
      if(playerCurVeh[playerid] != INVALID_PLAYER_ID)
              if(vehicleDriver[playerCurVeh[playerid]] == playerid) vehicleDriver[playerCurVeh[playerid]] = INVALID_PLAYER_ID;

      return 1;
}

IsDriverAvailable(vehicleid)
{
    return (vehicleDriver[vehicleid] != INVALID_PLAYER_ID) ? (false) : (true);
}

IsAirModel(modelid)
{
    switch(modelid)
    {
        case 460, 476, 511, 512, 513, 519, 520, 553, 577, 592, 593, 417, 425, 447, 469, 487, 488, 497, 548, 563:
        return 1;
    }
    return 0;
}

public OnPlayerWeaponShot(playerid, weaponid, hittype, hitid, Float:fX, Float:fY, Float:fZ)
{
    new wID = weaponid;
    new Float:vHealth; GetVehicleHealth(hitid, vHealth);

    if(hittype == 2 && !IsDriverAvailable(hitid) && vHealth > 249)
    {
        if(IsAirModel(GetVehicleModel(hitid)) == 1)
        {
            switch(wID)
            {
                case 22, 29: SetVehicleHealth(hitid, vHealth - AirDamage[wID]);
                case 23: SetVehicleHealth(hitid, vHealth - AirDamage[wID]);
                case 24, 38: SetVehicleHealth(hitid, vHealth - AirDamage[wID]);
                case 25, 26: SetVehicleHealth(hitid, vHealth - AirDamage[wID]);
                case 27: SetVehicleHealth(hitid, vHealth - AirDamage[wID]);
                case 28, 32: SetVehicleHealth(hitid, vHealth - AirDamage[wID]);
                case 30, 31: SetVehicleHealth(hitid, vHealth - AirDamage[wID]);
                case 33: SetVehicleHealth(hitid, vHealth - AirDamage[wID]);
                case 34: SetVehicleHealth(hitid, vHealth - AirDamage[wID]);
            }
        }
        else
        {
            switch(wID)
            {
                case 22, 29: SetVehicleHealth(hitid, vHealth - VehDamage[wID]);
                case 23: SetVehicleHealth(hitid, vHealth - VehDamage[wID]);
                case 24, 38: SetVehicleHealth(hitid, vHealth - VehDamage[wID]);
                case 25, 26: SetVehicleHealth(hitid, vHealth - VehDamage[wID]);
                case 27: SetVehicleHealth(hitid, vHealth - VehDamage[wID]);
                case 28, 32: SetVehicleHealth(hitid, vHealth - VehDamage[wID]);
                case 30, 31: SetVehicleHealth(hitid, vHealth - VehDamage[wID]);
                case 33: SetVehicleHealth(hitid, vHealth - VehDamage[wID]);
                case 34: SetVehicleHealth(hitid, vHealth - VehDamage[wID]);
            }
        }
        new vModel = GetVehicleModel(hitid);
        new Float:hX, Float:hY, Float:hZ, Float:rX, Float:rY, Float:rZ;
        GetVehicleModelInfo(vModel, VEHICLE_MODEL_INFO_WHEELSFRONT, hX, hY, hZ);
        GetVehicleModelInfo(vModel, VEHICLE_MODEL_INFO_WHEELSREAR, rX, rY, rZ);
        new panels, doors, lights, tires;

        //Left front wheel
        if( fX >= hX - 3.0 && fX <= hX + 0.0 &&
            fY >= hY - 0.5 && fY <= hY + 0.5 &&
            fZ >= hZ - 0.5 && fZ <= hZ + 0.5 )
        {
            GetVehicleDamageStatus(hitid, panels, doors, lights, tires);
            UpdateVehicleDamageStatus(hitid, panels, doors, lights,(tires | 0b1000));
        }
        //Right front wheel
        if( fX >= hX - 0.5 && fX <= hX + 0.5 &&
            fY >= hY - 0.5 && fY <= hY + 0.5 &&
            fZ >= hZ - 0.5 && fZ <= hZ + 0.5 )
        {
            GetVehicleDamageStatus(hitid, panels, doors, lights, tires);
            UpdateVehicleDamageStatus(hitid, panels, doors, lights, (tires | 0b0010));
        }
        //Left rear wheel
        if( fX >= rX - 3.0 && fX <= rX + 0.0 &&
            fY >= rY - 0.5 && fY <= rY + 0.5 &&
            fZ >= rZ - 0.5 && fZ <= rZ + 0.5 )
        {
            GetVehicleDamageStatus(hitid, panels, doors, lights, tires);
            UpdateVehicleDamageStatus(hitid, panels, doors, lights, (tires | 0b0100));
        }
        //Right rear wheel
        if( fX >= rX - 0.5 && fX <= rX + 0.5 &&
            fY >= rY - 0.5 && fY <= rY + 0.5 &&
            fZ >= rZ - 0.5 && fZ <= rZ + 0.5 )
        {
            GetVehicleDamageStatus(hitid, panels, doors, lights, tires);
            UpdateVehicleDamageStatus(hitid, panels, doors, lights, (tires | 0b0001));
        }
    }
    return 1;
}