92 lines
1.6 KiB
C
92 lines
1.6 KiB
C
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#pragma once
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#include "Timer.h"
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class CFrameSync:public TBoostMemoryPool<CFrameSync>
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{
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public:
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CFrameSync();
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~CFrameSync();
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void Begin( int nSecureFrame );
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void End();
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void Pause();
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void Resume();
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void Reset();
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void UpdateTime( int nDebugSecureCount = 0 );
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bool CheckSync();
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void CheckSecureFrameLoad( int nIgnoreFrame );
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LOCAL_TIME GetMSTime();
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float GetFps();
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void SetTimeSpeed( float fSpeed, DWORD dwDelay = 0 );
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protected:
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LOCAL_TIME m_SystemTime;
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LOCAL_TIME m_NextSyncTime;
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LOCAL_TIME m_PrevUpdateTime;
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/*
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LARGE_INTEGER m_qpFreq;
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LARGE_INTEGER m_qpBaseTime;
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LARGE_INTEGER m_qpTime;
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LARGE_INTEGER m_qpPrevTime;
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*/
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int m_nSecureFrame;
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LOCAL_TIME m_SecureCount;
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LOCAL_TIME m_PrevSecureCount;
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bool m_bActivate;
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bool m_bPause;
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float m_fFPS;
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float m_fTimeSpeed;
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LOCAL_TIME m_LastModifySpeedTime;
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LOCAL_TIME m_RevisionModifyTime;
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DWORD m_dwModifySpeedDelay;
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DWORD m_dwPovitTime;
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};
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class CFrameSkip
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{
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public:
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CFrameSkip() { Clear(); }
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virtual ~CFrameSkip() { }
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//! <20>ʱ<EFBFBD>ȭ <20>ϴ<EFBFBD> <20>Լ<EFBFBD>..
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void Clear()
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{
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SetFramePerSec( 60.0f );
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m_fTimer = 0.0f;
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}
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//! <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>Ѵ<EFBFBD>.
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void SetFramePerSec( float fFps )
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{
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m_fSecPerFrame = 1.0f/fFps;
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m_fTimer = 0.0f;
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}
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/*! Update(float dt) <20>Լ<EFBFBD><D4BC><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>ȿ<EFBFBD><C8BF><EFBFBD> ȣ<><C8A3><EFBFBD>ɶ<EFBFBD>,
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<EFBFBD><EFBFBD> <EFBFBD>Լ<EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD>ŭ<EFBFBD><EFBFBD> true<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѵ<EFBFBD>. */
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bool Update( float fDt )
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{
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m_fTimer += fDt;
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if( m_fTimer < 0 )
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return false;
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿ<EFBFBD> <20>ش<EFBFBD><D8B4>ϴ<EFBFBD> <20>ð<EFBFBD><C3B0><EFBFBD> <20><><EFBFBD><EFBFBD>.
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m_fTimer -= m_fSecPerFrame;
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return true;
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}
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//! <09><><EFBFBD>쿡 <20><><EFBFBD><EFBFBD> <20><>ŵ <20>Ǿ<EFBFBD> <20>ȴٸ<C8B4> false <20><> <20><><EFBFBD><EFBFBD><EFBFBD>Ѵ<EFBFBD>.
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bool IsFrameSkip() { return (m_fTimer >= 0); }
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protected:
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float m_fTimer;
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float m_fSecPerFrame;
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};
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