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83 lines
2.5 KiB
83 lines
2.5 KiB
//========= Copyright 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 CLIENTFRAME_H |
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#define CLIENTFRAME_H |
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#ifdef _WIN32 |
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#pragma once |
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#endif |
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#include <bitvec.h> |
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#include <const.h> |
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#include <tier1/mempool.h> |
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class CFrameSnapshot; |
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#define MAX_CLIENT_FRAMES 128 |
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class CClientFrame |
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{ |
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public: |
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CClientFrame( void ); |
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CClientFrame( int tickcount ); |
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CClientFrame( CFrameSnapshot *pSnapshot ); |
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virtual ~CClientFrame(); |
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void Init( CFrameSnapshot *pSnapshot ); |
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void Init( int tickcount ); |
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// Accessors to snapshots. The data is protected because the snapshots are reference-counted. |
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inline CFrameSnapshot* GetSnapshot() const { return m_pSnapshot; }; |
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void SetSnapshot( CFrameSnapshot *pSnapshot ); |
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void CopyFrame( CClientFrame &frame ); |
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virtual bool IsMemPoolAllocated() { return true; } |
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public: |
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// State of entities this frame from the POV of the client. |
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int last_entity; // highest entity index |
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int tick_count; // server tick of this snapshot |
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// Used by server to indicate if the entity was in the player's pvs |
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CBitVec<MAX_EDICTS> transmit_entity; // if bit n is set, entity n will be send to client |
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CBitVec<MAX_EDICTS> *from_baseline; // if bit n is set, this entity was send as update from baseline |
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CBitVec<MAX_EDICTS> *transmit_always; // if bit is set, don't do PVS checks before sending (HLTV only) |
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CClientFrame* m_pNext; |
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private: |
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// Index of snapshot entry that stores the entities that were active and the serial numbers |
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// for the frame number this packed entity corresponds to |
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// m_pSnapshot MUST be private to force using SetSnapshot(), see reference counters |
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CFrameSnapshot *m_pSnapshot; |
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}; |
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// TODO substitute CClientFrameManager with an intelligent structure (Tree, hash, cache, etc) |
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class CClientFrameManager |
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{ |
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public: |
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CClientFrameManager(void); |
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virtual ~CClientFrameManager(void); |
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int AddClientFrame( CClientFrame *pFrame ); // returns current count |
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CClientFrame *GetClientFrame( int nTick, bool bExact = true ); |
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void DeleteClientFrames( int nTick ); // -1 for all |
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int CountClientFrames( void ); // returns number of frames in list |
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void RemoveOldestFrame( void ); // removes the oldest frame in list |
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CClientFrame* AllocateFrame(); |
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private: |
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void FreeFrame( CClientFrame* pFrame ); |
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CClientFrame *m_Frames; // updates can be delta'ed from here |
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CClientFrame *m_LastFrame; |
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int m_nFrames; |
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CClassMemoryPool< CClientFrame > m_ClientFramePool; |
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}; |
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#endif // CLIENTFRAME_H
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