Hydra-based rocket

#include <a_samp>
#include <streamer>
#define CHECKTIMER 4000
forward CheckForRocket(vehicleid, fireid, baseid);
new Rocket[3][MAX_PLAYERS+1];
new created[MAX_PLAYERS];
public OnPlayerConnect(playerid){created[playerid] = 0;return 1;}
public OnPlayerDisconnect(playerid){created[playerid] = 0; return 1;}
public OnPlayerCommandText(playerid, cmdtext[])
{
    if(!strcmp(cmdtext, "/rocket", true))
    {
        if(IsPlayerInAnyVehicle(playerid)) return SendClientMessage(playerid, 0xFF0000FF, "Sorry, you cannot create a rocket while driving!");
        if(created[playerid] == 1)
        {
            DestroyDynamicObject(Rocket[0][playerid]);
            DestroyDynamicObject(Rocket[1][playerid]);
            DestroyVehicle(Rocket[2][playerid]);
        }
        new Float:x, Float:y, Float:z, Float:rot;
        GetPlayerPos(playerid, x, y, z);
        GetPlayerFacingAngle(playerid, rot);
        Rocket[0][playerid] = CreateDynamicObject(3786, 0.02, 2.13, 0.00,   0.00, 0.00, -90.00);
        Rocket[1][playerid] = CreateDynamicObject(18692, -0.50, 1.73, -1.00,   0.00, 0.00, 0.00);
        Rocket[2][playerid] = CreateVehicle(520, x, y, z, rot, -1, -1, 100);
        LinkVehicleToInterior(Rocket[2][playerid], 15);
        AttachDynamicObjectToVehicle(Rocket[0][playerid], Rocket[2][playerid], 0.02, 3.13, 0.00,   0.00, 0.00, -90.00);
        AttachDynamicObjectToVehicle(Rocket[1][playerid], Rocket[2][playerid], -0.50, 2.73, -1.00,   0.00, 0.00, 0.00);
        PutPlayerInVehicle(playerid, Rocket[2][playerid], 0);
        SetTimerEx("CheckForRocket", CHECKTIMER, true, "ddd", Rocket[2][playerid], Rocket[1][playerid], Rocket[0][playerid]);
        created[playerid] = 1;
        return 1;
    }
    return 0;
}
public CheckForRocket(vehicleid, fireid, baseid)
{
    new p = 0;
    new count = 0;
    while(p != MAX_PLAYERS)
    {
        if(IsPlayerInVehicle(p, vehicleid)) count++;
        p++;
    }
    if(count == 0 && count < 1)
    {
        DestroyDynamicObject(fireid);
        DestroyDynamicObject(baseid);
        DestroyVehicle(vehicleid);
    }
    return 1;
}