Auto Car Respawn

/* -------------Auto Car Respawn------------------------------
Code by: slorunner
@ Gmail : [email protected]
@ Skype : pekarna.cerkno

---------------------------Donations---------------------------
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---------------------------------------------------------------

Hope you will enjoy my first script :D

Don't remove credits!!!

*/
#define FILTERSCRIPT

//respawn variables
#define RESPAWN_MESSAGE
#define RESPAWN_TIME 30000
#define RESPAWN_DELAY 10000 // set is as seconds * 1000
//end of respawn variables
#include <a_samp>


#define COLOR_RED 0xAA3333AA
#define COLOR_LIME 0x10F441AA

new string[24+MAX_PLAYERS];

#if defined FILTERSCRIPT
public OnFilterScriptInit()
{
    SetTimer("respawn_delay", RESPAWN_TIME, true);
    print("\n--------------------------------------");
    print(" Car respawn by Slo_Runner loaded");
    print("--------------------------------------\n");
    return 1;
}
public OnPlayerCommandText(playerid, cmdtext[])
{
    if(!strcmp(cmdtext, "/rc", true))
    {
    new Float:delay = RESPAWN_DELAY / 1000;
    if (IsPlayerAdmin(playerid)){
        format(string, sizeof(string), "[RESPAWN] All unused cars will be respawned in %.0f seconds!", delay);
        SendClientMessageToAll(COLOR_RED, string);
        SetTimer("respawn", RESPAWN_DELAY, false);
        return 1;
    }else{
        SendClientMessage(playerid, COLOR_RED, "You are not admin!");
        return 1;
    }
    }
    return 0;
}

forward respawn();
forward respawn_delay();
forward a_respawn();

public respawn()
{
        for(new car = 1; car <= MAX_VEHICLES; car++)
        {
                if(IsVehicleEmpty(car)) SetVehicleToRespawn(car);
        }
        SendClientMessageToAll(COLOR_LIME, "[RESPAWN] Cars respawned!");
}

public a_respawn()
{
        for(new car = 1; car <= MAX_VEHICLES; car++)
        {
                if(IsVehicleEmpty(car)) SetVehicleToRespawn(car);
        }
}

public respawn_delay()
{
new Float:delay = RESPAWN_DELAY / 1000;
SetTimer("respawn", RESPAWN_DELAY, false);
format(string, sizeof(string), "[RESPAWN] All unused cars will be respawned in %.0f seconds!", delay);
SendClientMessageToAll(COLOR_RED, string);
}



stock IsVehicleEmpty(vehicleid)
{
        for(new i=0; i<MAX_PLAYERS; i++)
        {
                if(IsPlayerInVehicle(i, vehicleid)) return 0;
        }
        return 1;
}
#endif