230 lines
6.8 KiB
C
230 lines
6.8 KiB
C
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (c) 1998-1999 Microsoft Corporation
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//
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// File: styletrk.h
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//
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//--------------------------------------------------------------------------
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// StyleTrack.h : Declaration of the CStyleTrack
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#ifndef __STYLETRACK_H_
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#define __STYLETRACK_H_
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#include "PtrnTrk.h"
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#include "dmusici.h"
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#include "dmstylep.h"
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struct StyleTrackInfo : public PatternTrackInfo
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{
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StyleTrackInfo();
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StyleTrackInfo(const StyleTrackInfo* pInfo, MUSIC_TIME mtStart, MUSIC_TIME mtEnd)
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: PatternTrackInfo(pInfo, mtStart, mtEnd)
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{
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m_dwPatternTag = DMUS_PATTERN_STYLE;
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}
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~StyleTrackInfo();
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virtual HRESULT STDMETHODCALLTYPE Init(
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/*[in]*/ IDirectMusicSegment* pSegment
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);
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virtual HRESULT STDMETHODCALLTYPE InitPlay(
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/*[in]*/ IDirectMusicTrack* pParentrack,
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/*[in]*/ IDirectMusicSegmentState* pSegmentState,
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/*[in]*/ IDirectMusicPerformance* pPerformance,
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/*[out]*/ void** ppStateData,
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/*[in]*/ DWORD dwTrackID,
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/*[in]*/ DWORD dwFlags
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);
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HRESULT LoadStyleRefList( IAARIFFStream* pIRiffStream, MMCKINFO* pckParent );
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HRESULT LoadStyleRef( IAARIFFStream* pIRiffStream, MMCKINFO* pckParent );
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HRESULT LoadReference(IStream *pStream,
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IAARIFFStream *pIRiffStream,
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MMCKINFO& ckParent,
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IDMStyle** ppStyle);
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};
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/////////////////////////////////////////////////////////////////////////////
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// CStyleTrack
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class CStyleTrack :
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public IDirectMusicTrack8,
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public IStyleTrack,
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public IPersistStream
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{
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friend struct StyleTrackState;
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public:
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CStyleTrack();
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CStyleTrack(const CStyleTrack& rTrack, MUSIC_TIME mtStart, MUSIC_TIME mtEnd);
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~CStyleTrack();
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// IUnknown
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//
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virtual STDMETHODIMP QueryInterface(const IID &iid, void **ppv);
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virtual STDMETHODIMP_(ULONG) AddRef();
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virtual STDMETHODIMP_(ULONG) Release();
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// IStyleTrack
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public:
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// IStyleTrack Methods
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HRESULT STDMETHODCALLTYPE Init(
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/*[in]*/ IDirectMusicSegment* pSegment
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);
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HRESULT STDMETHODCALLTYPE InitPlay(
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/*[in]*/ IDirectMusicSegmentState* pSegmentState,
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/*[in]*/ IDirectMusicPerformance* pPerformance,
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/*[out]*/ void** ppStateData,
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/*[in]*/ DWORD dwTrackID,
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/*[in]*/ DWORD dwFlags
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);
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HRESULT STDMETHODCALLTYPE EndPlay(
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/*[in]*/ void* pStateData
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);
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HRESULT STDMETHODCALLTYPE Play(
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/*[in]*/ void* pStateData,
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/*[in]*/ MUSIC_TIME mtStart,
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/*[in]*/ MUSIC_TIME mtEnd,
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/*[in]*/ MUSIC_TIME mtOffset,
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DWORD dwFlags,
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IDirectMusicPerformance* pPerf,
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IDirectMusicSegmentState* pSegState,
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DWORD dwVirtualID
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);
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HRESULT STDMETHODCALLTYPE GetPriority(
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/*[out]*/ DWORD* pPriority
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);
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HRESULT STDMETHODCALLTYPE GetParam(
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REFGUID pCommandGuid,
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MUSIC_TIME mtTime,
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MUSIC_TIME* pmtNext,
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void *pData);
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HRESULT STDMETHODCALLTYPE SetParam(
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/* [in] */ REFGUID pCommandGuid,
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/* [in] */ MUSIC_TIME mtTime,
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/* [out] */ void __RPC_FAR *pData);
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HRESULT STDMETHODCALLTYPE AddNotificationType(
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/* [in] */ REFGUID pGuidNotify
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);
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HRESULT STDMETHODCALLTYPE RemoveNotificationType(
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/* [in] */ REFGUID pGuidNotify
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);
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HRESULT STDMETHODCALLTYPE Clone(
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MUSIC_TIME mtStart,
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MUSIC_TIME mtEnd,
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IDirectMusicTrack** ppTrack);
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HRESULT STDMETHODCALLTYPE IsParamSupported(
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/*[in]*/ REFGUID pGuid
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);
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// IDirectMusicTrack8 Methods
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STDMETHODIMP PlayEx(void* pStateData,REFERENCE_TIME rtStart,
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REFERENCE_TIME rtEnd,REFERENCE_TIME rtOffset,
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DWORD dwFlags,IDirectMusicPerformance* pPerf,
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IDirectMusicSegmentState* pSegSt,DWORD dwVirtualID) ;
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STDMETHODIMP GetParamEx(REFGUID rguidType,REFERENCE_TIME rtTime,
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REFERENCE_TIME* prtNext,void* pParam,void * pStateData, DWORD dwFlags) ;
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STDMETHODIMP SetParamEx(REFGUID rguidType,REFERENCE_TIME rtTime,void* pParam, void * pStateData, DWORD dwFlags) ;
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STDMETHODIMP Compose(IUnknown* pContext,
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DWORD dwTrackGroup,
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IDirectMusicTrack** ppResultTrack) ;
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STDMETHODIMP Join(IDirectMusicTrack* pNewTrack,
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MUSIC_TIME mtJoin,
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IUnknown* pContext,
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DWORD dwTrackGroup,
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IDirectMusicTrack** ppResultTrack) ;
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// IPersist methods
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HRESULT STDMETHODCALLTYPE GetClassID( LPCLSID pclsid );
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// IPersistStream methods
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HRESULT STDMETHODCALLTYPE IsDirty();
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HRESULT STDMETHODCALLTYPE Save( LPSTREAM pStream, BOOL fClearDirty );
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HRESULT STDMETHODCALLTYPE GetSizeMax( ULARGE_INTEGER* /*pcbSize*/ );
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HRESULT STDMETHODCALLTYPE Load( LPSTREAM pStream );
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// IStyleTrack methods
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STDMETHOD(GetStyle)(IUnknown** ppStyle);
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STDMETHOD(SetTrack)(IUnknown* pStyle);
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// internal methods
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protected:
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// used by both GetParam and GetParamEx
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HRESULT STDMETHODCALLTYPE GetParam(
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REFGUID pCommandGuid,
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MUSIC_TIME mtTime,
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MUSIC_TIME* pmtNext,
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void *pData,
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void* pStateData);
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HRESULT JoinInternal(
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IDirectMusicTrack* pNewTrack,
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MUSIC_TIME mtJoin,
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DWORD dwTrackGroup);
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// IStyleTrack data members
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protected:
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// attributes
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long m_cRef;
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CRITICAL_SECTION m_CriticalSection; // for load and playback
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BOOL m_fCSInitialized;
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PatternTrackInfo* m_pTrackInfo;
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BYTE m_bRequiresSave;
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};
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struct StyleTrackState : public PatternTrackState
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{
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StyleTrackState();
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~StyleTrackState();
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// methods
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HRESULT Play(
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/*[in]*/ MUSIC_TIME mtStart,
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/*[in]*/ MUSIC_TIME mtEnd,
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/*[in]*/ MUSIC_TIME mtOffset,
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REFERENCE_TIME rtOffset,
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IDirectMusicPerformance* pPerformance,
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DWORD dwFlags,
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BOOL fClockTime
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);
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HRESULT GetNextPattern(DWORD dwFlags, MUSIC_TIME mtNow, MUSIC_TIME mtOffset, IDirectMusicPerformance* pPerformance, BOOL fSkipVariations = FALSE);
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MUSIC_TIME PartOffset(int nPartIndex);
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//CDirectMusicPattern* SelectPattern(bool fNewMode, TList<CDirectMusicPattern*>& rPatternList);
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// attributes
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MUSIC_TIME m_mtSectionOffset; // Elapsed time in the section
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MUSIC_TIME m_mtSectionOffsetTemp; // temporary value for m_mtSectionOffset
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MUSIC_TIME m_mtNextCommandTime; // when the next command begins
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MUSIC_TIME m_mtNextCommandTemp; // temporary values for m_mtNextCommandTime
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MUSIC_TIME m_mtNextStyleTime; // when the next style begins
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DMUS_COMMAND_PARAM_2 m_CommandData; // data about the current command
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// DMUS_RHYTHM_PARAM* m_pChordRhythm; // data about the current chord's rhythm
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// short m_nLongestPattern; // length of longest pattern in a style
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// DMUS_COMMAND_PARAM_2* m_pCommands; // array of commands (for pattern selection)
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// DWORD* m_pRhythms; // array of rhythms (for pattern selection)
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MUSIC_TIME m_mtOverlap; // section overlap caused by controlling segment
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TList<CDirectMusicPattern*> m_PlayedPatterns; // list of patterns already played that match current groove level
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};
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#endif //__STYLETRACK_H_
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