3D引擎研究

{
    IMenuManager* pMenuMgr = GetCOREInterface()->GetMenuManager();
    bool bNeedCreate = false;

    bNeedCreate = pMenuMgr->RegisterMenuBarContext( NBMenuContexID, NBMenuContexName );

    if ( bNeedCreate == false )
    {
        std::string strInfo = NBMenuContexName;
        strInfo = strInfo + " 已经注册过\n";
        MaxScriptPrinf( strInfo.c_str() );
        return true;
    }

    MaxScriptPrinf( "开始创建NB菜单\n" );
    IMenu* pMainMenu = pMenuMgr->GetMainMenuBar();
    IMenuItem* pItemNBMenu = GetIMenuItem();
    pMainMenu->AddItem( pItemNBMenu );

    IMenu* pNBMenu = GetIMenu();
    pNBMenu->SetTitle( "NBPlugin" );
    pMenuMgr->RegisterMenu( pNBMenu, 0 );

    pItemNBMenu->SetSubMenu( pNBMenu );
    
    ActionTable* pActionTable = g_NBMenu.action_table;
    ActionItem* pActionItem = NULL;
    IMenuItem* pMenuItem = NULL; 
    
    //    添加事件菜单项
    pMenuItem = GetIMenuItem();
    pActionItem = pActionTable->GetAction( IT_Preview );
    assert( pActionItem );
    pMenuItem->SetActionItem( pActionItem );
    pNBMenu->AddItem( pMenuItem );


    pMenuMgr->UpdateMenuBar();
    MaxScriptPrinf( "NB菜单创建完毕\n" );
    return true;
}