RenderTarget.c

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#ifdef GAME_TEMPLATE
 
[EditorAttribute("box", "GameLib/Scripted", "Render target", "-0.25 -0.25 -0.25", "0.25 0.25 0.25", "255 0 0 255")]
class RenderTargetClass
{
 
}
 
RenderTargetClass RenderTargetSource;
 
class RenderTarget: GenericEntity
{
  [Attribute("0", "slider", "Camera index", "0 31 1")]
  int CameraIndex;
  [Attribute("0", "editbox", "Position X <0, 1>")]
  float X;
  [Attribute("0", "editbox", "Position Y <0, 1>")]
  float Y;
  [Attribute("1", "editbox", "Render target width <0, 1>")]
  float Width;
  [Attribute("1", "editbox", "Render target height <0, 1>")]
  float Height;
  [Attribute("-1", "editbox", "Sort index (the lesser the more important)")]
  int Sort;
  [Attribute("0", "combobox", "Autoinit", "", { ParamEnum("No", "0"), ParamEnum("Yes", "1") })]
  int AutoInit;
  [Attribute("0", "combobox", "Forcing creation of render target for camera #0 in Workbench", "", { ParamEnum("No", "0"), ParamEnum("Yes", "1") })]
  bool ForceCreation;
  bool m_Show = true; // when autoinit, wait with showing the render target after all entities are created (EOnInit)
  ref RenderTargetWidget m_RenderWidget;
 
  void RenderTarget(IEntitySource src, IEntity parent)
  {
    SetFlags(EntityFlags.ACTIVE, false);
 
    if (AutoInit)
    {
      m_Show = false;
      SetEventMask(EntityEvent.INIT);
      Init();
    }
  }
 
  void ~RenderTarget()
  {
    delete m_RenderWidget;
  }
 
  void Init()
  {
#ifdef WORKBENCH // Workbench is using its own renderer for main camera, it is not using render target widget.
    if (!ForceCreation && CameraIndex == 0)
      return;
#endif
 
    int screenW, screenH;
    GetScreenSize(screenW, screenH);
 
    int posX = (float)(screenW * X);
    int posY = (float)(screenH * Y);
    int widthPix = (float)(screenW * Width);
    int heightPix = (float)(screenH * Height);
    if (Class.CastTo(m_RenderWidget, GetGame().GetWorkspace().CreateWidget(RenderTargetWidgetTypeID, posX, posY, widthPix, heightPix, WidgetFlags.VISIBLE | WidgetFlags.HEXACTSIZE | WidgetFlags.VEXACTSIZE | WidgetFlags.HEXACTPOS | WidgetFlags.VEXACTPOS, 0xffffffff, Sort)))
    {
      m_RenderWidget.Show(m_Show);
      SetWidgetWorld(m_RenderWidget, GetGame().GetWorldEntity(), CameraIndex);
    }
  }
  override void EOnInit(IEntity other, int extra) 
  {
    if (m_RenderWidget)
    {
      m_Show = true;
      m_RenderWidget.Show(m_Show);
    }
  }
}
 
#endif