62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef UPDATEHINT_H
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#define UPDATEHINT_H
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#ifdef _WIN32
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#pragma once
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#endif
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class CUpdateHint : public CObject
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{
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#define MAX_NOTIFY_CODES 16
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struct NotifyList_t
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{
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int nCode;
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CMapObjectList Objects;
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};
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public:
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CUpdateHint(void) {}
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//
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// Called by the code that modifies map objects:
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//
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inline void PreUpdateObject(CMapClass *pObject);
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inline void PreUpdateObjects(CMapObjectList *pObjects);
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inline void PostUpdateObject(CMapClass *pObject, int nNotifyCode);
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inline void PostUpdateObjects(CMapObjectList *pObjects, int nNotifyCode);
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inline BoundBox const &GetUpdateRegion(void);
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inline void Reset(void);
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inline void UpdateBounds(BoundBox &bbox);
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//
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// Called by the document when processing an update:
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//
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inline int GetNotifyCodeCount(void);
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inline int GetNotifyCode(int nIndex);
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inline POSITION GetHeadPosition(int nIndex);
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inline CMapClass *GetNext(int nIndex, POSITION &pos);
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protected:
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NotifyList_t m_NotifyList[MAX_NOTIFY_CODES]; // Lists of objects with common notification codes.
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int m_nListEntries; // Number of items in the notify list.
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BoundBox m_UpdateRegion; // 3D map extents that were affected by the change.
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};
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#endif // UPDATEHINT_H
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