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;
  }
}