MainMenuButtonEffect.c

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class MainMenuButtonEffect : ScriptedWidgetEventHandler
{
  reference float speed;
  reference float amount;
  protected float m_textProportion;
  protected float m_textProportion2;
  protected ButtonWidget m_root;
  protected ref AnimatorTimer m_anim;
 
  // -----------------------------------------------------------
  void MainMenuButtonEffect()
  {
    if (GetGame())
      GetGame().GetUpdateQueue(CALL_CATEGORY_GUI).Insert(this.Update);
    m_anim = new AnimatorTimer();
  }
 
  // -----------------------------------------------------------
  void ~MainMenuButtonEffect()
  {
    if (GetGame() && GetGame().GetUpdateQueue(CALL_CATEGORY_GUI))
      GetGame().GetUpdateQueue(CALL_CATEGORY_GUI).Remove(this.Update);
  }
 
  // -----------------------------------------------------------
  void OnWidgetScriptInit(ButtonWidget w)
  {
    m_root = w;
    m_root.SetHandler(this);
  }
 
  // -----------------------------------------------------------
  protected void Update(float tDelta)
  {
    m_anim.Tick(tDelta);
    float p = amount * m_anim.GetValue();
    //m_root.SetTextProportion( m_textProportion + (p * 0.5) );
    m_root.SetTextOffset(p * 4, 0);
 
    float c = 1.0 - m_anim.GetValue();
    m_root.SetTextColor(ARGBF(1, 1, c, c));
  }
 
  // -----------------------------------------------------------
  override bool OnFocus(Widget w, int x, int y)
  {
    //if ( !m_anim.IsRunning() ) m_textProportion = m_root.GetTextProportion();
    if (!m_anim.IsRunning())
      m_root.GetPos(m_textProportion, m_textProportion2);
    m_anim.Animate(1.0, speed);
 
    return false;
  }
 
  // -----------------------------------------------------------
  override bool OnFocusLost(Widget w, int x, int y)
  {
    m_anim.Animate(0.0, speed);
    return false;
  }
};