creditsmenu.c

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class CreditsMenu extends UIScriptedMenu
{
    protected static float                      MENU_FADEIN_TIME    = 2.0;      //fade starts as soon as menu opens
    protected static float                      LOGO_FADEIN_TIME    = 1.0;      //fade starts halfway through menu fade in
    protected static float                      CREDIT_SCROLL_SPEED = 200.0;    //pixels per second (relative to 1080p res)
    
    protected float                             m_MenuFadeInIncrement;
    protected float                             m_MenuFadeInLevel;
    protected float                             m_MenuFadeInLevel2 = 1;
    protected float                             m_LogoFadeInIncrement;
    protected float                             m_LogoFadeInLevel;
    protected float                             m_ScrollIncrement;
    protected float                             m_ScrollLevel;
    protected float                             m_ScrollMax;
    protected float                             m_ScrollSize;
    
    protected ref JsonDataCredits               m_CreditsData;
    
    protected float                             m_CurrentTime = 0.0;
    protected ref array<ref CreditsElement>     m_CreditsEntries = new array<ref CreditsElement>;
    
    protected ImageWidget                       m_Logo;
    protected ScrollWidget                      m_Scroller;
    protected WrapSpacerWidget                  m_Content;
    protected RichTextWidget                    m_InfoPanelText;
    protected Widget                            m_InfoPanel;
    
    override Widget Init()
    {
        float x_f;
        int x, y;
        
        layoutRoot  = g_Game.GetWorkspace().CreateWidgets( "gui/layouts/new_ui/credits/credits_menu.layout", null );
        m_Logo      = ImageWidget.Cast( layoutRoot.FindAnyWidget( "Logo" ) );
        m_Scroller  = ScrollWidget.Cast( layoutRoot.FindAnyWidget( "CreditsPanel" ) );
        m_Content   = WrapSpacerWidget.Cast( layoutRoot.FindAnyWidget( "CreditsContent" ) );
        m_InfoPanelText = RichTextWidget.Cast( layoutRoot.FindAnyWidget( "InfoPanelText" ) );
        m_InfoPanel = layoutRoot.FindAnyWidget( "InfoPanel" );
        
        GetScreenSize( x, y );
        
        m_MenuFadeInIncrement   = 1 / MENU_FADEIN_TIME;
        m_LogoFadeInIncrement   = 1 / LOGO_FADEIN_TIME;
        m_ScrollIncrement       = CREDIT_SCROLL_SPEED * ( y / 1080 );
        
        m_Scroller.VScrollToPos01( 0 );
        m_Scroller.GetScreenSize( x_f, m_ScrollSize );
        
        g_Game.GameScript.Call( this, "LoadDataAsync", null );
        
        UpdateInfoPanelText(g_Game.GetInput().GetCurrentInputDevice());
        
        return layoutRoot;
    }
    
    override void OnShow()
    {
        super.OnShow();
        
        MissionMainMenu mainMenu = MissionMainMenu.Cast(g_Game.GetMission());
    
        DynamicMusicPlayerCategoryPlaybackData playbackData = new DynamicMusicPlayerCategoryPlaybackData();
        playbackData.m_Category = EDynamicMusicPlayerCategory.CREDITS;
        playbackData.m_Forced   = true;
        playbackData.m_FadeOut  = true;
        mainMenu.GetDynamicMusicPlayer().SetCategory(playbackData);
    }
 
    override void OnHide()
    {
        super.OnHide();
        
        MissionMainMenu mainMenu = MissionMainMenu.Cast(g_Game.GetMission());
        
        DynamicMusicPlayerCategoryPlaybackData playbackData = new DynamicMusicPlayerCategoryPlaybackData();
        playbackData.m_Category = EDynamicMusicPlayerCategory.MENU;
        playbackData.m_Forced   = true;
        playbackData.m_FadeOut  = true;
        mainMenu.GetDynamicMusicPlayer().SetCategory(playbackData);
    }
    
    void LoadDataAsync()
    {
        m_CreditsData = CreditsLoader.GetData();
        for(int i = 1; i <= m_CreditsData.Departments.Count(); ++i)
        {
            CreditsDepartmentElement e = new CreditsDepartmentElement( i, m_Content, m_CreditsData.Departments.Get( i - 1 ) );
            m_CreditsEntries.Insert(e);
        }
 
        m_Content.Update();
    }
    
    override void Update( float timeslice )
    {
        float new_menu_val;
        if( m_LogoFadeInLevel != 1 )
        {
            new_menu_val = m_MenuFadeInLevel + m_MenuFadeInIncrement * timeslice;
            if( new_menu_val < 1 )
                m_MenuFadeInLevel = new_menu_val;
            else
                m_MenuFadeInLevel = 1;
            
            if( m_MenuFadeInLevel > 0.5 )
            {
                float new_logo_val = m_LogoFadeInLevel + m_LogoFadeInIncrement * timeslice;
                if( new_menu_val < 1 )
                    m_LogoFadeInLevel = new_logo_val;
                else
                    m_LogoFadeInLevel = 1;
            }
            
            layoutRoot.SetAlpha( m_MenuFadeInLevel );
            m_Logo.SetAlpha( m_LogoFadeInLevel );
            m_InfoPanelText.SetAlpha( m_MenuFadeInLevel );
        }
        else if( m_ScrollLevel + m_ScrollSize <= m_Scroller.GetContentHeight() )
        {
            float new_scroll_val = m_ScrollLevel + m_ScrollIncrement * timeslice;
            m_ScrollLevel = new_scroll_val;
            m_Scroller.VScrollToPos( m_ScrollLevel );
        }
        else
        {
            new_menu_val = m_MenuFadeInLevel2 - m_MenuFadeInIncrement * timeslice;
            if( new_menu_val > 0 )
                m_MenuFadeInLevel2 = new_menu_val;
            else
                Close();
            
            layoutRoot.SetAlpha( m_MenuFadeInLevel2 );
            m_InfoPanelText.SetAlpha( m_MenuFadeInLevel2 );
        }
        
        m_CurrentTime += timeslice;
        
        if( g_Game.GetInput().LocalRelease("UAUIBack") )
        {
            Close();
        }
    }
    
    void UpdateInfoPanelText(int input_device_type)
    {
        if (g_Game.GetInput().IsEnabledMouseAndKeyboard() && input_device_type == EInputDeviceType.MOUSE_AND_KEYBOARD)
        {
            m_InfoPanelText.SetText("ESC " + "#menu_back");
        }
        else
        {
            m_InfoPanelText.SetText(InputUtils.GetRichtextButtonIconFromInputAction("UAUIBack", "#menu_back", EUAINPUT_DEVICE_CONTROLLER, InputUtils.ICON_SCALE_TOOLBAR));
        }
    }
}