mirror of
https://github.com/alliedmodders/hl2sdk.git
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54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
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//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================//
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#ifndef POSITIONWATCHER_H
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#define POSITIONWATCHER_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "ehandle.h"
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class IPositionWatcher;
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struct positionwatcher_t
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{
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EHANDLE hWatcher;
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IPositionWatcher *pWatcherCallback;
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};
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class CPositionWatcherList
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{
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public:
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//CPositionWatcherList(); NOTE: Dataobj doesn't support constructors - it zeros the memory
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~CPositionWatcherList(); // frees the positionwatcher_t's to the pool
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void Init();
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void NotifyWatchers( CBaseEntity *pEntity );
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void AddToList( CBaseEntity *pWatcher );
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void RemoveWatcher( CBaseEntity *pWatcher );
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private:
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unsigned short Find( CBaseEntity *pEntity );
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unsigned short m_list;
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};
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// inherit from this interface to be able to call WatchPositionChanges
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abstract_class IPositionWatcher
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{
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public:
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virtual void NotifyPositionChanged( CBaseEntity *pEntity ) = 0;
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};
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// NOTE: The table of watchers is NOT saved/loaded! Recreate these links on restore
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void ReportPositionChanged( CBaseEntity *pMovedEntity );
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void WatchPositionChanges( CBaseEntity *pWatcher, CBaseEntity *pMovingEntity );
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void RemovePositionWatcher( CBaseEntity *pWatcher, CBaseEntity *pMovingEntity );
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#endif // POSITIONWATCHER_H
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