radialprogressbar.c

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// -----------------------------------------------------------
class RadialProgressBar
{
    reference float speed;
    reference float start_rotation;
 
    protected string m_BarHider;
    protected string m_BarPart;
    protected Widget m_Root;    
    protected ref AnimatorTimer m_Anim;
    protected float x, y, z;
    protected float rotation = 0;
    protected int stage = 0;
 
    // -----------------------------------------------------------
    void RadialProgressBar()
    {
        m_Anim = new AnimatorTimer();
        g_Game.GetUpdateQueue(CALL_CATEGORY_GUI).Insert(this.Update);
    }
    
    // -----------------------------------------------------------
    void ~RadialProgressBar()
    {
        g_Game.GetUpdateQueue(CALL_CATEGORY_GUI).Remove(this.Update);
    }
    
    void SetProgress( float progress )
    {
        if( progress < 50 )
        {
            stage = 0;
        }
        rotation = 360 * ( progress / 100 );
    }
    
    // -----------------------------------------------------------
    protected void Update(float tDelta)
    {
        m_Anim.Tick(tDelta);
        
        Widget child = m_Root.GetChildren();
        
        int index = 0;
        while ( child )
        {
            UpdateChild( child, index );
            index++;
            child = child.GetSibling();
        }
    }
    
    protected void UpdateChild( Widget child, int index )
    {
        float rotation_value = ( m_Anim.GetTargetValue() * Math.RAD2DEG );
        if( child.GetName() == m_BarHider )
        {
            if( stage == 0 )
            {
                if( rotation > 0 )
                {
                        child.GetChildren().Show(true);
                }
                else
                {
                        child.GetChildren().Show(false);    
                }
                
                child.GetChildren().SetRotation( 0, 0, start_rotation + rotation);
                
                if(  rotation > 180 )
                {
                    stage = 1;
                    child.GetChildren().SetRotation(0, 0, 360);
                }
                
            }   
        }
        else if( child.GetName() == m_BarPart )
        {
            if( stage == 0 )
            child.Show( false );
            if( stage == 1 )
            {
                child.Show( true );
                child.SetRotation( 0, 0, start_rotation + rotation );
                
                if( rotation > 360 )
                {
                    stage = 2;
                    child.SetRotation( 0, 0, 180 );
                }
            }
        }
    }
    
    // -----------------------------------------------------------
    void OnWidgetScriptInit( Widget w )
    {
        m_Root = w;
        m_BarHider = "BarHider_" + m_Root.GetName();
        m_BarPart = "BarPart2_" + m_Root.GetName();
        m_Anim.AnimateLoop( speed );
    }
};