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 ( g_Game )
        {
            g_Game.GetUpdateQueue(CALL_CATEGORY_GUI).Insert(this.Update);
        }
        m_anim = new AnimatorTimer();
    }
    
    // -----------------------------------------------------------
    void ~MainMenuButtonEffect()
    {
        if ( g_Game && g_Game.GetUpdateQueue(CALL_CATEGORY_GUI) )
        {
            g_Game.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;
    }
};