plugindrawcheckerboard.c

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// quick and dirty way for displaying of checker overlay on screen
// - userd for camera settings primarily
class PluginDrawCheckerboard extends PluginBase
{
    private ref Widget  m_MainWindow;
    private bool        m_IsActive;
    
    
    void PluginDrawCheckerboard()
    {
        CreateWidgetOverlay();
    }
 
    void ~PluginDrawCheckerboard() {}
 
    void CreateWidgetOverlay()
    {
#ifndef NO_GUI
        if (!m_MainWindow)
        {
            m_MainWindow = GetGame().GetWorkspace().CreateWidgets("gui/layouts/camera_checkerboard.layout");
            m_MainWindow.Show(false);
            int childId = 0;
            int row = 0;
            bool evenOrOdd;
            int tilesPerLine = 8;
 
            Widget child = m_MainWindow.GetChildren();
            while(child)
            {
                evenOrOdd = IsEven(childId);
 
                if(childId > (tilesPerLine * row) - 1)
                {
                    row++;
                }
 
                if(IsEven(row))
                {
                    evenOrOdd = !evenOrOdd;
                }
 
                if(evenOrOdd)
                    child.SetAlpha(0.15);
                else
                    child.SetAlpha(0.05);
 
                child = child.GetSibling();
                childId++;
            }
        }
#endif
    }
    
    bool IsActive()
    {
        return m_IsActive;
    }
 
    bool IsEven(int num)
    {
        if((num % 2) == 0)
            return true;
        else
            return false;
    }
 
    void ShowWidgets(bool show)
    {
        if(m_MainWindow) 
        {
            m_MainWindow.Show(show);
        }
    }
 
    void Show()
    {
        ShowWidgets(true);
        m_IsActive = true;
    }
 
    void Hide()
    {
        ShowWidgets(false);
        m_IsActive = false;
    }
}