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 = GetGame().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);
 
    GetGame().GameScript.Call(this, "LoadDataAsync", null);
 
    UpdateInfoPanelText(GetGame().GetInput().GetCurrentInputDevice());
 
    return layoutRoot;
  }
 
  void LoadDataAsync()
  {
    m_CreditsData = CreditsLoader.GetData();
    for (int i = 1; i <= m_CreditsData.Departments.Count(); i++)
    {
      ref 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 (GetGame().GetInput().LocalRelease("UAUIBack"))
      Close();
  }
 
  void UpdateInfoPanelText(int input_device_type)
  {
    if (GetGame().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));
  }
}