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#include "Log.h"

FILE *_file;
tbb::spin_mutex _mutex;
tbb::tick_count _t0;

void eg::Log::init()
{
    _t0 = tbb::tick_count::now();

    _file = fopen("Log.html", "w");

    fprintf(_file, "<html>\n");
    fprintf(_file, "<head>\n");
    fprintf(_file, "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />\n");
    fprintf(_file, "<title>Game Engine Log</title>\n");
    fprintf(_file, "<style type=\"text/css\">\n");

    fprintf(_file, "body {\n");
    fprintf(_file, "background-color: #333333;\n");
    fprintf(_file, "font-family: arial;\n");
    fprintf(_file, "font-size: 16px;\n");
    fprintf(_file, "color: #e6e6e6;\n");
    fprintf(_file, "}\n");

    fprintf(_file, ".box {\n");
    fprintf(_file, "border-radius: 2px;\n");
    fprintf(_file, "padding: 4px;\n");
    fprintf(_file, "margin: 2px;\n");
    fprintf(_file, "margin: 48px 24px 48px 24px;\n");
    fprintf(_file, "background: #4d4d4d;\n");
    fprintf(_file, "box-shadow: 0px 0px 8px #000000;\n");
    fprintf(_file, "}\n");

    fprintf(_file, ".err {\n");
    fprintf(_file, "color: #ee1100;\n");
    fprintf(_file, "font-weight: bold\n");
    fprintf(_file, "}\n");

    fprintf(_file, ".wrn {\n");
    fprintf(_file, "color: #ffcc00;\n");
    fprintf(_file, "font-weight: bold\n");
    fprintf(_file, "}\n");

    fprintf(_file, ".inf {\n");
    fprintf(_file, "color: #e6e6e6;\n");
    fprintf(_file, "}\n");

    fprintf(_file, "</style>\n");
    fprintf(_file, "</head>\n\n");

    fprintf(_file, "<body>\n");
    fprintf(_file, "<div class=\"box\">\n");
    fprintf(_file, "<table>\n");
}

void eg::Log::shutdown()
{
    fprintf(_file, "</table>\n");
    fprintf(_file, "</div>\n");
    fprintf(_file, "</body>\n");
    fprintf(_file, "</html>");

    fclose(_file);
}

void eg::Log::writeInformation(const char *text, ...)
{
    tbb::spin_mutex::scoped_lock _lock(_mutex);

    va_list args;
    va_start(args, text);

    fprintf(_file, "<tr>\n");
    fprintf(_file, "<td width=\"100\">");
    fprintf(_file, "%.3f", (tbb::tick_count::now() - _t0).seconds());
    fprintf(_file, "</td>\n");
    fprintf(_file, "<td class=\"inf\">\n");

    vfprintf(_file, text, args);
    fprintf(_file, "\n</td>\n");
    fprintf(_file, "</tr>\n");

    va_end(args);
}

void eg::Log::writeWarning(const char *text, ...)
{
    tbb::spin_mutex::scoped_lock _lock(_mutex);

    va_list args;
    va_start(args, text);

    fprintf(_file, "<tr>\n");
    fprintf(_file, "<td width=\"100\">");
    fprintf(_file, "%.3f", (tbb::tick_count::now() - _t0).seconds());
    fprintf(_file, "</td>\n");
    fprintf(_file, "<td class=\"wrn\">\n");

    vfprintf(_file, text, args);
    fprintf(_file, "\n</td>\n");
    fprintf(_file, "</tr>\n");

    va_end(args);
}

void eg::Log::writeError(const char *text, ...)
{
    tbb::spin_mutex::scoped_lock _lock(_mutex);

    va_list args;
    va_start(args, text);

    fprintf(_file, "<tr>\n");
    fprintf(_file, "<td width=\"100\">");
    fprintf(_file, "%.3f", (tbb::tick_count::now() - _t0).seconds());
    fprintf(_file, "</td>\n");
    fprintf(_file, "<td class=\"err\">\n");

    vfprintf(_file, text, args);
    fprintf(_file, "\n</td>\n");
    fprintf(_file, "</tr>\n");

    va_end(args);
}