HUD

void __stdcall InstallHudComponents(HUDMenu * menu)
{
    BSTArrayFunctor<HUDObject*> alloc(&menu->hudComponents);

    GFxValue hudComponent;

    GFxValue args[2];
    args[0].SetString("hudExtension");
    args[1].SetNumber(-1);

    menu->view->Invoke("_root.createEmptyMovieClip", &hudComponent, args, 2);
    args[0].SetString("hud_extension.swf");
    hudComponent.Invoke("loadMovie", NULL, &args[0], 1);

    HUDEnemyHealthbars * healthBars = new HUDEnemyHealthbars(menu->view);
    healthBars->object = hudComponent;
    alloc.Push((HUDObject*&)healthBars);
}







void HUDEnemyHealthbars::Update()
{
    for(UInt32 i = 0; i < (*g_thePlayer)->hostileHandles.count; i++) {
        UInt32 handle = 0;
        (*g_thePlayer)->hostileHandles.GetNthItem(i, handle);
        EnemyHealthbar dummy;
        dummy.handle = handle;
        std::pair<EnemySet::iterator,bool> ret = components.insert(dummy);
        if(ret.second == false) {
            // AttachMovie, new handle added
            GFxValue meterComponent;
            GFxValue arg;
            arg.SetNumber(handle);
            view->Invoke("_root.hudExtension.loadMeter", &meterComponent, &arg, 1);
            (*ret.first).object = meterComponent;
        }
    }

    EnemySet::iterator it = components.begin();
    while(it != components.end())
    {
        UInt32 handle = (*it).handle;
        TESObjectREFR * refr = NULL;
        LookupREFRByHandle(&handle, &refr);
        if(!refr) { // Handle lookup failed, delete it
            components.erase(it++);
            continue;
        }
        if(refr) {
            Actor * actor = DYNAMIC_CAST(refr, TESObjectREFR, Actor);
            if(actor) {
                if(actor->actorValueOwner.GetCurrent(24) < 0.0) { // Actor died
                    components.erase(it++);
                    continue;
                }

                NiPoint3 markerPos;
                refr->GetMarkerPosition(&markerPos);

                float x_out = 0.0;
                float y_out = 0.0;
                float z_out = 0.0;

                GRectF rect = view->GetVisibleFrameRect();

                WorldPtToScreenPt3_Internal(g_worldToCamMatrix, g_viewPort, &markerPos, &x_out, &y_out, &z_out, 1e-5);

                // Move component, update component stats
                y_out = 1.0 - y_out;
                y_out = rect.top + (rect.bottom - rect.top) * y_out;
                x_out = rect.bottom + (rect.right - rect.left) * x_out;

                if(it->object.IsDisplayObject()) {
                    GFxValue::DisplayInfo dInfo;
                    it->object.GetDisplayInfo(&dInfo);
                    dInfo.x = x_out;
                    dInfo.y = y_out;
                    it->object.SetDisplayInfo(&dInfo);
                }
            }
        }
        it++;
    }
}