Checkpoint Streamer V0.3

// === Checkpoint Streamer V0.3 === //
// === Released on SA-MP forum only: === //
// === http://forum.sa-mp.com/showthread.php?t=354636 === //
// === Credits to Oplosthee, SKAzini & [HiC]TheKiller === //

#define FILTERSCRIPT
#include <a_samp>

new bool:CPMsg[MAX_PLAYERS];
forward CPCheck();

stock Float:GetDistanceToPoint(playerid, Float:X2, Float:Y2, Float:Z2) {
    new Float:X, Float:Y, Float:Z;
    GetPlayerPos(playerid, X, Y, Z);
    return floatsqroot ( floatpower ( floatabs ( floatsub ( X , X2 ) ) , 2 ) + floatpower ( floatabs ( floatsub ( Y , Y2 ) ) , 2 ) + floatpower ( floatabs ( floatsub ( Z , Z2 ) ) , 2 ) );
}
public OnFilterScriptInit() {
    printf("\nSKAzini/Oplosthee's CP Streamer has been loaded. Version: 0.3.\n");
    SetTimer("CPCheck", 500, 1);
    return 1;
}
public OnPlayerConnect(playerid) {
    CPMsg[playerid] = true;
    return 1;
}
public OnPlayerEnterCheckpoint(playerid) {
    if(GetDistanceToPoint(playerid, 2096, 1287, 10)<=2) { //the same X,Y,Z coords as the ones you put into the timer || the 2 should be your checkpoint radius
        if(CPMsg[playerid] == true) {
            CPMsg[playerid] = false;
            SendClientMessage(playerid, 0xFFFFFFAA, "You reached a checkpoint.");//message when standing in a checkpoint
        }
    }
    if(GetDistanceToPoint(playerid, 2030, 1342, 10)<=2) {
        if(CPMsg[playerid] == true) {
            CPMsg[playerid] = false;
            SendClientMessage(playerid, 0xFFFFFFAA, "You reached a checkpoint.");
        }
    }
    return 1;
}
public CPCheck() {
    for(new i; i < MAX_PLAYERS; i++) {// a loop that goes through all player
        if(IsPlayerConnected(i)) {//checks if the player is connected
            if(GetDistanceToPoint(i, 2096, 1287, 10) <= 30) {//change 10 to whatever you want the "view distance" to be.
                SetPlayerCheckpoint(i, 2096, 1287, 10, 2);//Change 2 to whatever radius you want (of the checkpoint)
            }
            else if(GetDistanceToPoint(i, 2030, 1342, 10) <= 30) {
                SetPlayerCheckpoint(i, 2030, 1342, 10, 2);
            }
            else {
                DisablePlayerCheckpoint(i);
            }
        }
    }
}