public load()
{

    if(!dir_exists(g_Path))
    {
        server_print("[OpenglCheck] No dir opengl32 with source files!!!")
        return PLUGIN_HANDLED
    }
    new glfile[32], glfile_path[64], err[64]

    if(!file_exists(g_File))
    {
        new gldir = open_dir(g_Path,glfile,31)

        formatex(glfile_path,63,"%s/%s",g_Path,glfile)
        file_copy(glfile_path,g_File,err,63,true)

        if(strlen(err) > 0)
        {
            server_print("[OpenglCheck] %s",err)
            server_print("[OpenglCheck] Invalid opengl32 file,!!!")
            return PLUGIN_HANDLED
        }
        close_dir(gldir)
    }
    new prec_buff[34], glfile_buff[34]
    md5_file(g_File,prec_buff)

    g_Files = ArrayCreate(32);
    new gldir = open_dir(g_Path,glfile,31)
    new maxarr = 0

    do
    {
        if(strlen(glfile)>3)
        {
            if(contain(glfile,"@") != -1)
            {
                new renfile[64]

                formatex(renfile,63,"%s",glfile)
                replace(glfile,31,"@","")
                formatex(glfile_path,63,"%s/%s",g_Path,glfile)
                format(renfile,63,"%s/%s",g_Path,renfile)

                rename_file(renfile,glfile_path,true)
                server_print("[OpenglCheck] Invalid opengl file name: %s renamed to: %s",renfile,glfile_path)
            }

            formatex(glfile_path,63,"%s/%s",g_Path,glfile)
            md5_file(glfile_path,glfile_buff)
            if(equal(prec_buff,glfile_buff))
            {
                copy(g_PrecFile,31,glfile)
                server_print("[OpenglCheck] Precached opengl file is %s",g_PrecFile)
            }
            ArrayPushString(g_Files,glfile);
            maxarr += 1;
        }

    }
    while ( next_file(gldir,glfile,31))
    close_dir(gldir)

    //check and update list of files
    new listfile[128]

    get_configsdir(listfile,127)
    format(listfile,127,"%s/openglfiles.txt",listfile)

    if(!file_exists(listfile))
    {
        server_print("[OpenglCheck] openglfiles.txt not exist, create file !!!")
        write_file(listfile,g_PrecFile,0)
        write_file(listfile,"0",1)
    }

    new i, chk, lstfile[36],chkfile[36],arrfile[32], maxlst, len

    //new maxlst = file_size(listfile,1)

    for(i = 0 ; i < maxarr ; i++)
    {
        ArrayGetString(g_Files,i,arrfile,31)
        formatex(chkfile,35,"@%s",arrfile)
        chk = 0

        //loop inside list file to check new opengl files from dir
        //for loop is shortly than while loop because skip first 2 lines, but spent time with reading maxlines
        /*
        new listfile_handle = fopen( listfile, "rt" );
        while(!feof(listfile_handle))
        {
            fgets(listfile_handle,lstfile,35)
            if(strlen(lstfile) >10)
            {
                if (strfind(lstfile,chkfile)!=-1)
                    chk += 1
            }
        }
        */

        new j
        maxlst = file_size(listfile,1)

        for(j = 2 ; j < maxlst-1 ; j++)
        {
            read_file(listfile,j,lstfile,31,len)
            if (strfind(lstfile,chkfile)!=-1)
                chk += 1
        }

        if (chk == 0)
        {
            server_print("[OpenglCheck] write opengl file %s in list",chkfile)
            format(chkfile,35,"0%s",chkfile)
            write_file(listfile,chkfile,-1)
        }
    }

    //set nextopengl file
    new nextfile[32], setfile[32], pos

    read_file(listfile,0,nextfile,31,len)
    read_file(listfile,1,setfile,31,len)

    if( strlen(setfile) < 2 ) //cycle ?
    {

        if(maxlst > 3) //in case of firstime running or only one file in opengl dir
        {
            i=0
            for( i = 0 ; i < maxarr ; i++ )
            {
                ArrayGetString(g_Files,i,chkfile,31)

                if ( strfind(nextfile,chkfile) != -1)
                {
                    if (i == maxarr-1)
                        pos = 0
                    else
                        pos = i+1
                }
            }
            ArrayGetString(g_Files,pos,nextfile,31)
        }
        else
        {
            copy(nextfile,31,g_PrecFile)
        }

        formatex(glfile_path,63,"%s/%s",g_Path,nextfile)
        write_file(listfile,nextfile,0)
    }
    else
    {
        formatex(glfile_path,63,"%s/%s",g_Path,setfile)
    }

    ArrayDestroy(g_Files);

    file_copy(glfile_path,g_File,err,63,true)
    if (strlen(err)>0)
        server_print("[OpenglCheck] %s",err)
    return PLUGIN_CONTINUE
}

public plugin_precache()
{
    force_unmodified(force_exactfile, {0,0,0},{0,0,0}, g_File)
}

public inconsistent_file(id, const filename[], reason[64])
{
    if (equal(filename,g_File))
    {
        g_CheckPlayer[id]=1
        g_PunishPlayer[id]=0
    }
    return PLUGIN_HANDLED //to avoid kicking player without opengl file
}