Function P_run

engine/src/game.cpp:2158–2201

}

void P_run()
{
    if (window.isActive)
    {
        double elapsed_time;
        double current_time = gametime.getCurrentTime();
        if (gametime.moveSizeTime < 0.05f)
            gametime.moveSizeTime = 0.0f;
        elapsed_time =
            (current_time - gametime.lastGameTime - gametime.moveSizeTime) +
            gametime.remaining;
        gametime.moveSizeTime = 0.0f;
        while (elapsed_time >= S_PER_GAME_UPDATE * gametime.frameMultiplier)
        {
            G_update(elapsed_time);
            elapsed_time -= S_PER_GAME_UPDATE * gametime.frameMultiplier;
        }
        gametime.remaining = elapsed_time;
        gametime.lastGameTime = current_time;

        P_computeFPS();
        R_updateUniforms();
        R_render(); // Remove hDC parameter since we're using SDL

        if (btogglefullscreen || bmodechange)
        {
            gametime.lastMoveSizeTime = gametime.getCurrentTime();
            if (btogglefullscreen)
            {
                P_cleanup();
                window.createGLWindow(true);
                btogglefullscreen = false;
                GL_initializeGLObjects();
            }
            else
            {
                window.createGLWindow(false);
                bmodechange = false;
            }
            gametime.moveSizeTime =
                gametime.getCurrentTime() - gametime.lastMoveSizeTime;
        }
    }
}