/*
    AFK System
    By Mado
    V1.0

    This filterscript is publicly distributed on the SAMP forums and may be used for server operations,
    editing and learning.
    Please keep all lines of credits in the filterscript.


    In the script I commented parts in which I explain how it works for those who don't know this.


*/
#define FILTERSCRIPT

#include <a_samp>

forward Timer(playerid);

#if defined FILTERSCRIPT

enum Info
{
    OldX,
    OldY,
    OldZ,
    AFK,

}

new Player[MAX_PLAYERS][Info];


public OnFilterScriptInit()
{
    print("Loading AFK System");
    print("LOADED");
    SetTimer("Timer", 1000, true);
    return 1;
}

public Timer(playerid)
{
    new Virtualworld;
    new Float:x, Float:y, Float:z;
    Virtualworld = GetPlayerVirtualWorld(playerid);

    if(Virtualworld = 0 || (Virtualworld = 1))
    {
        if(Player[playerid][AFK] = 0) //Only players not considered AFK yet will be checked for their location
        {
            GetPlayerPos(playerid,x,y,z);
            // Saving the current locations
            Player[playerid][OldX] = x;
            Player[playerid][OldY] = y;
            Player[playerid][OldZ] = z;
            Player[playerid][AFK] = 1; //Sets on AFK = 1, will only activate a timer and not do any changes to the player

        }
        if(Player[playerid][AFK] >=1)
        {
            GetPlayerPos(playerid,x,y,z);
            if(x = Player[playerid][OldX]) //The old positions are from above
            {
                if(y = Player[playerid][OldY])
                {
                    if(z = Player[playerid][OldZ])
                    {
                        Player[playerid][AFK] + 1; //Player is marked a posible AFK'er right now. It keeps adding this each second upon no move

                        if(Player[playerid][AFK] == 900 && (Virtualworld = 0)) //Player is detected to be AFK for 15 minutes (900 seconds) Already AFK players won't be placed AFK again
                        {
                            SetPlayerVirtualWorld(playerid, 1); //Player is made invisible!
                            SendClientMessage(playerid, 0xFFD7004A, "You were made invisible as you're AFK for more than 15 minutes!");
                        }

                    }
                }

            }
            else
            {
                if(Player[playerid][AFK] >= 900) //Player is invisible + AFK
                {
                    Player[playerid][AFK] = 0; //Timer reset
                    SetPlayerVirtualWorld(playerid, 0);
                    SendClientMessage(playerid, 0xFFD7004A, "Welcome back ingame! You're visible again!");

                }
                else
                {
                    Player[playerid][AFK] = 0; //Timer reset
                }
            }

        }

    }
    return 1;
}

public OnPlayerDisconnect(playerid, reason)
{
    new Virtualworld;
    Virtualworld = GetPlayerVirtualWorld(playerid);
    if(Player[playerid][AFK] >= 900 && (Virtualworld = 1))
    {
        Player[playerid][AFK] = 0; //Timer reset
        SetPlayerVirtualWorld(playerid, 0);
        //Quicky makes the player visible before disconnecting to prevent bugs on servers with stored positions, like most RP servers
    }
    return 1;
}

public OnPlayerText(playerid, text[])
{
    Player[playerid][AFK] = 0; //Player says something so he is not away from keyboard so his AFK timer resets
    return 1;
}
#endif