GsMaterialNode.h

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// Copyright (C) 2002-2017, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
// 
// This software and its documentation and related materials are owned by 
// the Alliance. The software may only be incorporated into application 
// programs owned by members of the Alliance, subject to a signed 
// Membership Agreement and Supplemental Software License Agreement with the
// Alliance. The structure and organization of this software are the valuable  
// trade secrets of the Alliance and its suppliers. The software is also 
// protected by copyright law and international treaty provisions. Application  
// programs incorporating this software must include the following statement 
// with their copyright notices:
//   
//   This application incorporates Teigha(R) software pursuant to a license 
//   agreement with Open Design Alliance.
//   Teigha(R) Copyright (C) 2002-2017 by Open Design Alliance. 
//   All rights reserved.
//
// By use of this software, its documentation or related materials, you 
// acknowledge and accept the above terms.
 
#ifndef __OD_GS_MATERIAL_NODE__
#define __OD_GS_MATERIAL_NODE__
 
#include "TD_PackPush.h"
 
#include "Gs/GsNode.h"
#include "Gi/GiMaterial.h"
#include "Gi/GiMaterialTraitsData.h"
#include "ThreadsCounter.h"
#define STL_USING_MAP
#include "OdaSTL.h"
 
// Materials cached in GsModel, but in separate cache, instead all geometry.
 
// GsModel caches hierarchy:
// OdGsBaseModel
//   OdGsContainerNode <-- OdGsNode - geometry cache
//     OdGsEntityNode <-- OdGsNode
//       OdGsLightNode - has separate array, but stored into geometry cache too
//   OdGsLayerNode <-- OdGsNode - layers cache
// OdGsBaseMode::OdGsMaterialCache
//   OdGsMaterialNode <-- OdGsNode - materials cache
 
class GS_TOOLKIT_EXPORT OdGsMaterialNode : public OdGsNode
{
protected:
  void update(OdGsUpdateContext& ctx, OdGsContainerNode* pParent,
      OdSiSpatialIndex* pParentIndex);
 
  void display(OdGsDisplayContext& ctx);
 
  bool extents(OdGeExtents3d& ) const;
 
  virtual void propagateLayerChanges(OdGsViewImpl& view);
 
  OdGiMaterialTraitsData m_materialTraits;
  bool m_dataInitialized;
  bool m_dataModified;
  struct DataEntry
  {
    bool m_cachedDataModified;
    OdRxObjectPtr m_pCachedData;
 
    DataEntry() : m_cachedDataModified(true) { }
  };
  typedef std::map<const void *, DataEntry> CacheMap;
  CacheMap m_cacheMap;
  OdMutexPtr m_pCacheMutex;
 
  mutable OdGsMaterialNode* m_pMatPrev;
  mutable OdGsMaterialNode* m_pMatNext;
public:
  ODRX_DECLARE_MEMBERS(OdGsMaterialNode);
 
  OdGsMaterialNode(OdGsBaseModel* pModel, const OdGiDrawable* pUnderlyingDrawable, bool bSetGsNode = true);
  ~OdGsMaterialNode();
 
  void destroy() {}
 
  OdGiMaterialTraitsData& materialTraits();
  const OdGiMaterialTraitsData& materialTraits() const;
 
  // Called from OdGsNode if material data changed at update.
  // May be used by inherited nodes to update device-dependant information.
  virtual void onModified(OdGsBaseVectorizer& view);
 
  void invalidate(OdGsContainerNode* pParent, OdGsViewImpl* pView, OdUInt32 mask);
 
  virtual void update(OdGsBaseVectorizer& view);
 
  OdGsMaterialNode *nextNode() const;
  OdGsMaterialNode *prevNode() const;
  OdGsMaterialNode *setNextNode(OdGsMaterialNode *newNode);
  OdGsMaterialNode *setPrevNode(OdGsMaterialNode *newNode);
 
  bool isDataModified() const;
 
  bool isCachedDataModified(OdGsBaseVectorizer& view) const;
  void setCachedDataUpdated(OdGsBaseVectorizer& view);
 
  const OdRxObject *cachedData(OdGsBaseVectorizer& view) const;
  void setCachedData(OdGsBaseVectorizer& view, OdRxObject *newCachedData);
 
  OdMutexPtr &cacheMutex() { return m_pCacheMutex; }
 
  virtual ENodeType nodeType() const { return kMaterialNode; }
 
  bool saveNodeState(OdGsFiler *pFiler, OdGsBaseVectorizer *pVectorizer = NULL) const;
  bool loadNodeState(OdGsFiler *pFiler, OdGsBaseVectorizer *pVectorizer = NULL);
};
 
// Cache for material nodes
#include "GsMaterialCache.h"
 
#include "TD_PackPop.h"
 
#endif // __OD_GS_MATERIAL_NODE__