[JuanStone]

I would like to explain everything in detail but I don't have enough time to do so.

An example with 10 checkpoints.

PHP код:

// This is a comment
// uncomment the line below if you want to write a filterscript
//#define FILTERSCRIPT
#include <a_samp>
#include <zcmd.inc>
new ProgressInRuta[MAX_PLAYERS];
new CP_ID[MAX_PLAYERS];
new Ruta[MAX_PLAYERS];
static const Float:CPS[10][3] =
{     //x    //y    /z
    {00.00, 00.00, 00.00},
    {00.00, 00.00, 00.00},
    {00.00, 00.00, 00.00},
    {00.00, 00.00, 00.00},
    {00.00, 00.00, 00.00},
    {00.00, 00.00, 00.00},
    {00.00, 00.00, 00.00},
    {00.00, 00.00, 00.00},
    {00.00, 00.00, 00.00},
    {00.00, 00.00, 00.00}
};
CMD:ruta(playerid,params[])
{/*
    new Vozilo = GetPlayerVehicleID(playerid);
    
    if(PlayerPosao[playerid][pID] != 1)
        return SendClientMessage(playerid,-1,""COLOR_CRVENA"Greska:{FFFFFF} Niste zaposleni kao vozac autobusa");
    if(Vozilo != Autobus[0] || Vozilo != Autobus[1] || Vozilo != Autobus[2] || Vozilo != Autobus[3] || Vozilo != Autobus[4])
        return SendClientMessage(playerid,-1,""COLOR_CRVENA"Greska:{FFFFFF} Ne nalazite se u autobusu");
*/
    if(Ruta[playerid] == 1)
        return SendClientMessage(playerid,-1,"You are already in route");
        
    Ruta[playerid] = 1;
    SendClientMessage(playerid, -1, "You've come to ruta!");
    CP_ID[playerid] = SetPlayerRaceCheckpoint(playerid, 0, CPS[0][0], CPS[0][1], CPS[0][2], CPS[1][0], CPS[1][1], CPS[1][2], 12.5);
    return 1;
}
public OnPlayerEnterRaceCheckpoint(playerid)
{
    if(Ruta[playerid])
    {
        ProgressInRuta[playerid] = ProgressInRuta[playerid]+1;
        new
            slot = ProgressInRuta[playerid];
        if(ProgressInRuta[playerid] != sizeof(CPS))
        {
            switch(ProgressInRuta[playerid])
            {
                case 1,2,3,4,5,6,7,8:
                    CP_ID[playerid] = SetPlayerRaceCheckpoint(playerid, 0, CPS[slot][0], CPS[slot][1], CPS[slot][2], CPS[slot+1][0], CPS[slot+1][1], CPS[slot+1][2], 12.5);
                case 9:
                    CP_ID[playerid] = SetPlayerRaceCheckpoint(playerid, 1, CPS[slot][0], CPS[slot][1], CPS[slot][2], 0.0, 0.0, 0.0, 12.5);
            }
        }
        else if(ProgressInRuta[playerid] == sizeof(CPS))
        {
            DisablePlayerRaceCheckpoint(playerid);
            SendClientMessage(playerid, -1, "You finished the ruta!!.");
            Ruta[playerid] = false;
            ProgressInRuta[playerid] = 0;
        }
    }
    return true;
}