589 lines
19 KiB
C++
589 lines
19 KiB
C++
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (c) 1999-1999 Microsoft Corporation
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//
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// File: mgentrk.h
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//
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//--------------------------------------------------------------------------
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/////////////////////////////////////////////////////////////////////////////
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// MelodyFragment
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#ifndef __MELGENTRK_H_
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#define __MELGENTRK_H_
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#include "dmusici.h"
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#include "TList.h"
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//#include "dmpublic.h" // remove when this gets incorporated into dmusici.h/dmusicf.h
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#include "dmstyle.h"
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#define DMUS_TRANSITIONF_GHOST_FOUND 1
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#define DMUS_TRANSITIONF_OVERLAP_FOUND 2
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#define DMUS_TRANSITIONF_LAST_FOUND 4
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#define DMUS_TRANSITIONF_GHOST_OK 8
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#define DMUS_TRANSITIONF_OVERLAP_OK 0x10
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#define DMUS_TRANSITIONF_LAST_OK 0x20
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// overlap delta is largest value less than a 128th note triplet
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#define OVERLAP_DELTA 15
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HRESULT CopyMelodyFragment(DMUS_MELODY_FRAGMENT& rTo, const DMUS_MELODY_FRAGMENT& rFrom);
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HRESULT CopyMelodyFragment(DMUS_MELODY_FRAGMENT& rTo, const DMUS_IO_MELODY_FRAGMENT& rFrom);
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HRESULT CopyMelodyFragment(DMUS_IO_MELODY_FRAGMENT& rTo, const DMUS_MELODY_FRAGMENT& rFrom);
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HRESULT CopyMelodyFragment(DMUS_IO_MELODY_FRAGMENT& rTo, const DMUS_IO_MELODY_FRAGMENT& rFrom);
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struct CompositionFragment;
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struct EventWrapper;
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BOOL Less(DMUS_IO_SEQ_ITEM& SeqItem1, DMUS_IO_SEQ_ITEM& SeqItem2);
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BOOL Greater(DMUS_IO_SEQ_ITEM& SeqItem1, DMUS_IO_SEQ_ITEM& SeqItem2);
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BOOL Less(EventWrapper& SeqItem1, EventWrapper& SeqItem2);
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BOOL Greater(EventWrapper& SeqItem1, EventWrapper& SeqItem2);
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/////////////////////////////////////////////////////////////////////////////
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// MelodyFragment
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struct MelodyFragment
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{
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MelodyFragment() {}
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MelodyFragment(DMUS_MELODY_FRAGMENT& rSource) :
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m_mtTime(rSource.mtTime),
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m_dwID(rSource.dwID),
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m_dwVariationFlags(rSource.dwVariationFlags),
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m_dwRepeatFragmentID(rSource.dwRepeatFragmentID),
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m_dwFragmentFlags(rSource.dwFragmentFlags),
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m_dwPlayModeFlags(rSource.dwPlayModeFlags),
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m_dwTransposeIntervals(rSource.dwTransposeIntervals),
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m_ConnectionArc(rSource.ConnectionArc),
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m_Command(rSource.Command)
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{
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wcscpy(m_wszVariationLabel, rSource.wszVariationLabel);
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}
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MelodyFragment(MelodyFragment& rSource) :
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m_mtTime(rSource.m_mtTime),
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m_dwID(rSource.m_dwID),
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m_dwVariationFlags(rSource.m_dwVariationFlags),
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m_dwRepeatFragmentID(rSource.m_dwRepeatFragmentID),
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m_dwFragmentFlags(rSource.m_dwFragmentFlags),
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m_dwPlayModeFlags(rSource.m_dwPlayModeFlags),
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m_dwTransposeIntervals(rSource.m_dwTransposeIntervals),
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m_ConnectionArc(rSource.m_ConnectionArc),
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m_Command(rSource.m_Command)
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{
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wcscpy(m_wszVariationLabel, rSource.m_wszVariationLabel);
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for (int i = 0; i < INVERSIONGROUPLIMIT; i++)
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{
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m_aInversionGroups[i] = rSource.m_aInversionGroups[i];
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}
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}
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HRESULT GetPattern(DMStyleStruct* pStyleStruct,
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CDirectMusicPattern*& rPattern,
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TListItem<CompositionFragment>* pLastFragment);
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HRESULT GetVariations(CompositionFragment& rCompFragment,
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CompositionFragment& rfragmentRepeat,
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CompositionFragment& rfragmentLast,
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DMUS_CHORD_PARAM& rCurrentChord,
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DMUS_CHORD_PARAM& rNextChord,
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MUSIC_TIME mtNextChord,
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TListItem<CompositionFragment>* pLastFragment);
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/* HRESULT GetVariation(DirectMusicPartRef& rPartRef,
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DMUS_CHORD_PARAM& rCurrentChord,
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MUSIC_TIME mtNext,
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MUSIC_TIME mtNextChord,
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IDirectMusicTrack* pChordTrack,
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DWORD& rdwVariation);
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*/
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HRESULT GetChord(IDirectMusicSegment* pTempSeg,
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IDirectMusicSong* pSong,
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DWORD dwTrackGroup,
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MUSIC_TIME& rmtNext,
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DMUS_CHORD_PARAM& rCurrentChord,
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MUSIC_TIME& rmtCurrent,
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DMUS_CHORD_PARAM& rRealCurrentChord);
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HRESULT GetChord(MUSIC_TIME mtTime,
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IDirectMusicSegment* pTempSeg,
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IDirectMusicSong* pSong,
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DWORD dwTrackGroup,
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MUSIC_TIME& rmtNext,
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DMUS_CHORD_PARAM& rCurrentChord);
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HRESULT TestTransition(BYTE bMIDI,
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MUSIC_TIME mtTime,
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DMUS_CHORD_PARAM& rCurrentChord,
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int nPartIndex,
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DirectMusicPartRef& rPartRef,
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TListItem<CompositionFragment>* pLastFragment);
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HRESULT TestHarmonicConstraints(TListItem<EventWrapper>* pOldEventHead,
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TList<EventWrapper>& rNewEventList);
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HRESULT GetFirstNote(int nVariation,
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DMUS_CHORD_PARAM& rCurrentChord,
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CompositionFragment& rCompFragment,
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DirectMusicPartRef& rPartRef,
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BYTE& rbMidi,
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MUSIC_TIME& rmtNote);
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HRESULT GetNote(CDirectMusicEventItem* pEvent,
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DMUS_CHORD_PARAM& rCurrentChord,
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DirectMusicPartRef& rPartRef,
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BYTE& rbMidi);
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HRESULT GetEvent(CDirectMusicEventItem* pEvent,
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DMUS_CHORD_PARAM& rCurrentChord,
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DMUS_CHORD_PARAM& rRealCurrentChord,
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MUSIC_TIME mtNow,
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DirectMusicPartRef& rPartRef,
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TListItem<EventWrapper>*& rpEventItem);
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HRESULT TransposeEventList(int nInterval,
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CompositionFragment& rfragmentRepeat,
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DMUS_CHORD_PARAM& rCurrentChord,
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DMUS_CHORD_PARAM& rRealCurrentChord,
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BYTE bPlaymode,
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DirectMusicPartRef& rPartRef,
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TListItem<EventWrapper>*& rpOldEventHead,
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TList<EventWrapper>& rNewEventList,
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BYTE& rbFirstMIDI,
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MUSIC_TIME& rmtFirstTime);
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HRESULT GetRepeatedEvents(CompositionFragment& rfragmentRepeat,
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DMUS_CHORD_PARAM& rCurrentChord,
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DMUS_CHORD_PARAM& rRealCurrentChord,
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BYTE bPlaymode,
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int nPartIndex,
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DirectMusicPartRef& rPartRef,
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TListItem<CompositionFragment>* pLastFragment,
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MUSIC_TIME& rmtFirstNote,
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TList<EventWrapper>& rEventList);
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bool UsesRepeat()
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{
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return (m_dwFragmentFlags & DMUS_FRAGMENTF_USE_REPEAT) ? true : false;
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}
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bool UsesTransitionRules()
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{
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return (m_ConnectionArc.dwFlags & (DMUS_CONNECTIONF_GHOST | DMUS_CONNECTIONF_INTERVALS | DMUS_CONNECTIONF_OVERLAP)) ? true : false;
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}
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bool RepeatsWithConstraints()
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{
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return
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UsesRepeat() &&
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( (m_dwFragmentFlags & (DMUS_FRAGMENTF_SCALE | DMUS_FRAGMENTF_CHORD)) ? true : false );
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}
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DWORD GetID()
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{
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return m_dwID;
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}
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DWORD GetRepeatID()
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{
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return m_dwRepeatFragmentID;
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}
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MUSIC_TIME GetTime()
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{
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return m_mtTime;
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}
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DMUS_COMMAND_PARAM GetCommand()
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{
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return m_Command;
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}
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DMUS_CONNECTION_RULE GetConnectionArc()
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{
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return m_ConnectionArc;
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}
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DWORD GetVariationFlags()
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{
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return m_dwVariationFlags;
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}
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void ClearInversionGroups()
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{
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for (int i = 0; i < INVERSIONGROUPLIMIT; i++)
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m_aInversionGroups[i].m_wGroupID = 0;
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}
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protected:
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MUSIC_TIME m_mtTime;
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DWORD m_dwID; // This fragment's ID
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WCHAR m_wszVariationLabel[DMUS_MAX_FRAGMENTLABEL]; // Each style translates this into a set of variations (held in part ref)
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DWORD m_dwVariationFlags; // A set of variations
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DWORD m_dwRepeatFragmentID; // ID of a fragment to repeat
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DWORD m_dwFragmentFlags; // including things like: invert the fragment, transpose it...
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DWORD m_dwPlayModeFlags; // including new playmodes (only use 8 bits of this)
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DWORD m_dwTransposeIntervals; // Legal transposition intervals (first 24 bits; two-octave range)
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DMUS_COMMAND_PARAM m_Command;
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DMUS_CONNECTION_RULE m_ConnectionArc;
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InversionGroup m_aInversionGroups[INVERSIONGROUPLIMIT]; // Inversion Groups for composing melodies
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};
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// TransitionConstraint (for keeping track of transition constraints)
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struct TransitionConstraint
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{
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TransitionConstraint() : dwFlags(0), bGhost(0), bOverlap(0), bLastPlayed(0)
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{
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}
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DWORD dwFlags;
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BYTE bGhost;
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BYTE bOverlap;
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BYTE bLastPlayed;
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};
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// EventOverlap (for remembering events that might overlap succeeding fragments)
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struct EventOverlap
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{
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~EventOverlap()
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{
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ZeroMemory(&m_PartRef, sizeof(m_PartRef));
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m_pEvent = NULL;
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}
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DirectMusicPartRef m_PartRef;
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MUSIC_TIME m_mtTime;
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MUSIC_TIME m_mtDuration;
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CDirectMusicEventItem* m_pEvent;
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DMUS_CHORD_PARAM m_Chord;
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DMUS_CHORD_PARAM m_RealChord;
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};
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struct EventWrapper
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{
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EventWrapper() : m_pEvent(NULL), m_mtTime(0), m_bMIDI(0), m_dwPChannel(0), m_wMusic(0), m_bPlaymode(DMUS_PLAYMODE_NONE)
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{
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}
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~EventWrapper()
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{
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m_pEvent = NULL;
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}
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CDirectMusicEventItem* m_pEvent;
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MUSIC_TIME m_mtTime;
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DWORD m_dwPChannel;
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WORD m_wMusic;
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BYTE m_bMIDI;
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BYTE m_bScaleFlat;
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BYTE m_bScaleSharp;
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BYTE m_bChordFlat;
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BYTE m_bChordSharp;
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BYTE m_bPlaymode;
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};
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// FragmentPartRecord (for keeping track of previously generated melody fragment parts)
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// (in addition to sequence events, may also want to keep track of note events)
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struct FragmentPartRecord
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{
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FragmentPartRecord()
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{
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}
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~FragmentPartRecord()
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{
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m_listEvents.CleanUp();
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}
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TList<EventWrapper> m_listEvents;
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};
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// CompositionFragment (melody fragment used in the composition process)
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struct CompositionFragment : MelodyFragment
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{
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CompositionFragment()
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{
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m_aFragmentParts = NULL;
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m_abVariations = NULL;
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m_pStyle = NULL;
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m_pPattern = NULL;
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}
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CompositionFragment(MelodyFragment& rFragment) : MelodyFragment(rFragment)
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{
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m_aFragmentParts = NULL;
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m_abVariations = NULL;
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m_pStyle = NULL;
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m_pPattern = NULL;
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}
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~CompositionFragment()
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{
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if (m_aFragmentParts) delete [] m_aFragmentParts;
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if (m_abVariations) delete [] m_abVariations;
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}
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HRESULT Init(CDirectMusicPattern* pPattern, DMStyleStruct* pStyleStruct, int nParts)
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{
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m_pStyle = pStyleStruct;
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m_pPattern = pPattern;
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m_abVariations = new BYTE [nParts];
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if (!m_abVariations)
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{
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return E_OUTOFMEMORY;
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}
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m_aFragmentParts = new FragmentPartRecord[nParts];
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if (!m_aFragmentParts)
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{
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delete [] m_abVariations;
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m_abVariations = NULL;
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return E_OUTOFMEMORY;
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}
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return S_OK;
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}
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void SetPattern(CDirectMusicPattern* pPattern)
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{
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m_pPattern = pPattern;
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}
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void SetStyle(DMStyleStruct* pStyle)
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{
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m_pStyle = pStyle;
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}
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TListItem<EventOverlap>* GetOverlapHead()
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{
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return m_listEventOverlaps.GetHead();
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}
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TList<EventWrapper>& EventList(int i)
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{
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return m_aFragmentParts[i].m_listEvents;
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}
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void AddOverlap(TListItem<EventOverlap>* pOverlap)
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{
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m_listEventOverlaps.AddHead(pOverlap);
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}
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TListItem<EventWrapper>* GetEventHead(int i)
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{
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return m_aFragmentParts[i].m_listEvents.GetHead();
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}
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TListItem<EventWrapper>* RemoveEventHead(int i)
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{
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return m_aFragmentParts[i].m_listEvents.RemoveHead();
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}
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void AddEvent(int i, TListItem<EventWrapper>* pEvent)
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{
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m_aFragmentParts[i].m_listEvents.AddHead(pEvent);
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}
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void InsertEvent(int i, TListItem<EventWrapper>* pEvent)
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{
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TListItem<EventWrapper>* pScan = m_aFragmentParts[i].m_listEvents.GetHead();
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TListItem<EventWrapper>* pPrevious = NULL;
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for (; pScan; pScan = pScan->GetNext() )
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{
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if ( Greater(pEvent->GetItemValue(), pScan->GetItemValue()) ) break;
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pPrevious = pScan;
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}
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if (!pPrevious)
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{
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m_aFragmentParts[i].m_listEvents.AddHead(pEvent);
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}
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else
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{
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pPrevious->SetNext(pEvent);
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pEvent->SetNext(pScan);
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}
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}
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void SortEvents(int i)
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{
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m_aFragmentParts[i].m_listEvents.MergeSort(Greater);
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}
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BOOL IsEmptyEvents(int i)
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{
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return m_aFragmentParts[i].m_listEvents.IsEmpty();
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}
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void CleanupEvents(int i)
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{
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m_aFragmentParts[i].m_listEvents.CleanUp();
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}
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DirectMusicTimeSig& GetTimeSig(DirectMusicPart* pPart)
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{
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if (pPart && pPart->m_timeSig.m_bBeat != 0)
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{
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return pPart->m_timeSig;
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}
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else if (m_pPattern && m_pPattern->m_timeSig.m_bBeat != 0)
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{
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return m_pPattern->m_timeSig;
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}
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else if (m_pStyle && m_pStyle->m_TimeSignature.m_bBeat != 0)
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{
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return m_pStyle->m_TimeSignature;
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}
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else
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{
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return m_staticTimeSig;
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}
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}
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CDirectMusicPattern* m_pPattern;
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FragmentPartRecord* m_aFragmentParts;
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BYTE* m_abVariations;
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TList<EventOverlap> m_listEventOverlaps;
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DMStyleStruct* m_pStyle;
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static DirectMusicTimeSig m_staticTimeSig;
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};
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/////////////////////////////////////////////////////////////////////////////
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// CMelodyFormulationTrack
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class CMelodyFormulationTrack :
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public IDirectMusicTrack8,
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public IPersistStream
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{
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public:
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CMelodyFormulationTrack();
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CMelodyFormulationTrack(const CMelodyFormulationTrack& rTrack, MUSIC_TIME mtStart, MUSIC_TIME mtEnd);
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~CMelodyFormulationTrack();
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void Clear();
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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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public:
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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 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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// Methods for dealing with melody fragments
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HRESULT SendNotification(MUSIC_TIME mtTime,
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IDirectMusicPerformance* pPerf,
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IDirectMusicSegment* pSegment,
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IDirectMusicSegmentState* pSegState,
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DWORD dwFlags);
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HRESULT LoadFragments(LPSTREAM pStream, long lFileSize );
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HRESULT SetID(DWORD& rdwID);
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HRESULT GetID(DWORD& rdwID);
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HRESULT AddToSegment(IDirectMusicSegment* pTempSeg,
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IDirectMusicTrack* pNewPatternTrack,
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DWORD dwGroupBits);
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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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BYTE m_bRequiresSave;
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BOOL m_fNotifyRecompose;
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TList<DMUS_MELODY_FRAGMENT> m_FragmentList;
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DWORD m_dwLastId;
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BYTE m_bPlaymode; // playmode for events in the generated pattern track.
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};
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#endif // __MELGENTRK_H_
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