Drivable Pumpkin

#include a_samp
#include zcmd
new bool: DrivingPumpkin[MAX_PLAYERS];
new Pumpkin[MAX_PLAYERS] = INVALID_OBJECT_ID;
#define PUMPKIN_SPEED 5.0
CMD:createpumpkin(playerid, params[])
{
        if(DrivingPumpkin[playerid])
        {
            return SendClientMessage(playerid, -1, "You're already driving a pumpkin. Use /destroypumpkin to stop driving.");
        }
        ApplyAnimation(playerid, "FOOD", "FF_Sit_Eat2", 4.0, 1, 0, 0, 1, 0, 1);
        new Float: X, Float: Y, Float: Z;
        GetPlayerPos(playerid, X, Y, Z);
        Pumpkin[playerid] = CreateObject(19320, X, Y, Z, 0.0, 0.0, 0.0);
        DrivingPumpkin[playerid] = true;
        TogglePlayerControllable(playerid, false); // - Manually controlled movements.
        return 1;
}

CMD:destroypumpkin(playerid, params[])
{
        if(DrivingPumpkin[playerid] == true)
        {
                DestroyObject(Pumpkin[playerid]);
                DrivingPumpkin[playerid] = false;
                Pumpkin[playerid] = INVALID_OBJECT_ID;
                TogglePlayerControllable(playerid, true);
                SetCameraBehindPlayer(playerid);
        }
}

CMD:pumpkin(playerid, params[])
{
        if(isnull(params)) return true;
        if(DrivingPumpkin[playerid] == false) return SendClientMessage(playerid, -1, "You're not driving a pumpkin.");
        if(strcmp(params, "up", true) == 0)
        {
            new Float: pos[3];
            GetObjectPos(Pumpkin[playerid], pos[0], pos[1], pos[2]);
                SetObjectPos(Pumpkin[playerid], pos[0], pos[1], pos[2]+1.0);
        }
        if(strcmp(params, "down", true) == 0)
        {
            new Float: pos[3];
            GetObjectPos(Pumpkin[playerid], pos[0], pos[1], pos[2]);
                SetObjectPos(Pumpkin[playerid], pos[0], pos[1], pos[2]-1.0);
        }
        return 1;
}

public OnFilterScriptExit()
{
        for (new i = 0; i != MAX_PLAYERS; ++i)
        {
                 if (IsPlayerConnected(i))
             {
                if(DrivingPumpkin[i] == true)
                {
                        DrivingPumpkin[i] = false;
                        DestroyObject(Pumpkin[i]);
                        Pumpkin[i] = -1;
                        }
                }
        }
}

public OnPlayerDisconnect(playerid)
{
        if(DrivingPumpkin[playerid] == true)
        {
            DrivingPumpkin[playerid] = false;
                DestroyObject(Pumpkin[playerid]);
                Pumpkin[playerid] = -1;
        }
        return true;
}
public OnPlayerUpdate(playerid)
{
        if(DrivingPumpkin[playerid] == true)
        {
        new Keys,ud,lr;
        GetPlayerKeys(playerid,Keys,ud,lr);
        new objectid = Pumpkin[playerid];

                new Float: pos[3];
                GetObjectPos(objectid, pos[0], pos[1], pos[2]);
                SetPlayerPos(playerid, pos[0], pos[1], pos[2]+0.5);
            if(ud == KEY_UP)
            {
                new Float: X, Float: Y, Float: Z;
                GetObjectPos(objectid, X, Y, Z);
                        MoveObject(objectid, X, Y+2.0, Z, PUMPKIN_SPEED, 0.0, 0.0, 0.0);
                        return true;
                }

            else if(ud == KEY_DOWN)
            {
                new Float: X, Float: Y, Float: Z;
                GetObjectPos(objectid, X, Y, Z);
                        MoveObject(objectid, X, Y-2.0, Z, PUMPKIN_SPEED, 0.0, 0.0, 0.0);
                        return true;
                }

            if(lr == KEY_LEFT)
            {
                new Float: X, Float: Y, Float: Z;
                GetObjectPos(objectid, X, Y, Z);
                        MoveObject(objectid, X-2.0, Y, Z, PUMPKIN_SPEED, 0.0, 0.0, 0.0);
                        return true;
                }
            else if(lr == KEY_RIGHT)
            {
            new Float: X, Float: Y, Float: Z;
                GetObjectPos(objectid, X, Y, Z);
                        MoveObject(objectid, X+2.0, Y, Z, PUMPKIN_SPEED, 0.0, 0.0, 0.0);
                        return true;
                }
        }
    return 1;
}

public OnPlayerDeath(playerid, killerid, reason)
{
    if(DrivingPumpkin[playerid] == true)
    {
        DestroyObject(Pumpkin[playerid]);
        Pumpkin[playerid] = -1;
        DrivingPumpkin[playerid] = false;
        return 1;
    }
    return true;
}