#include <a_samp>

#define MAX_CHECKS 50

enum E_CHECK
{
    Float: PosX,
    Float: PosY,
    Float: PosZ,
    Float: Size,
    ID
};

new
    CHECK_INFO[MAX_CHECKS][E_CHECK];

forward OnPlayerEnterMitosCheckpoint(playerid, checkid);

public OnPlayerEnterCheckpoint(playerid)
{
    new
        checkid = GetPlayerCheckpoint(playerid);
    return CallLocalFunction("OnPlayerEnterMitosCheckpoint", "ii", playerid, checkid);
}

stock sSetPlayerCheckpoint(playerid, Float: PosCX, Float: PosCY, Float: PosCZ, Float: SizeC)
{
    for(new c = 0; c < MAX_CHECKS; c++)
    {
        if(CHECK_INFO[c][ID] != -1) continue;
        SetPlayerCheckpoint(playerid, PosCX, PosCY, PosCZ, SizeC);
        CHECK_INFO[c][PosX] = PosCX;
        CHECK_INFO[c][PosY] = PosCY;
        CHECK_INFO[c][PosZ] = PosCZ;
        CHECK_INFO[c][Size] = SizeC;
        CHECK_INFO[c][ID] = c;
        return CHECK_INFO[c][ID];
    }
    return -1;
}

stock GetPlayerCheckpoint(playerid)
{
    for(new c = 0; c < MAX_CHECKS; c++)
    {
        if(CHECK_INFO[c][ID] == -1) continue;
        if(iIsPlayerInCheckpoint(playerid, c)) return c;
    }
    return -1;
}

stock iIsPlayerInCheckpoint(playerid, checkid)
{
    if(IsPlayerInRangeOfPoint(playerid, CHECK_INFO[checkid][Size], CHECK_INFO[checkid][PosX], CHECK_INFO[checkid][PosY], CHECK_INFO[checkid][PosZ])) return 1;
    return 0;
}

stock MitosCheck()
{
    for(new c = 0; c < MAX_CHECKS; c++)
    {
        CHECK_INFO[c][ID] = -1;
    }
    return 1;
}

#define SetPlayerCheckpoint sSetPlayerCheckpoint
#define IsPlayerInCheckpoint iIsPlayerInCheckpoint