doom3进游戏之前的流程展开

int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow ) { // win_main.cpp
    Sys_CreateConsole();

　　common->Init( 0, NULL, lpCmdLine ); { // Common.cpp
        InitGame(); { // Common.cpp
            session->Init(); { // Session.cpp
                guiMainMenu = uiManager->FindGui( "guis/mainmenu.gui", true, false, true );
            }
        }

        session->StartMenu( true ); { // Session_menu.cpp
            guiMainMenu->HandleNamedEvent( playIntro ? "playIntro" : "noIntro" );
        }
　　}

    // hide or show the early console as necessary
    if ( win32.win_viewlog.GetInteger() || com_skipRenderer.GetBool() || idAsyncNetwork::serverDedicated.GetInteger() ) {
        Sys_ShowConsole( 1, true );
    } else {
        Sys_ShowConsole( 0, false );
    }
}