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itgmania212121/stepmania/src/TimingData.h
T

69 lines
2.3 KiB
C++

#ifndef TIMING_DATA_H
#define TIMING_DATA_H
struct BPMSegment
{
BPMSegment() { m_fStartBeat = m_fBPM = -1; };
BPMSegment( float s, float b ) { m_fStartBeat = s; m_fBPM = b; };
float m_fStartBeat;
float m_fBPM;
};
struct StopSegment
{
StopSegment() { m_fStartBeat = m_fStopSeconds = -1; };
StopSegment( float s, float f ) { m_fStartBeat = s; m_fStopSeconds = f; };
float m_fStartBeat;
float m_fStopSeconds;
};
class TimingData
{
public:
TimingData();
void GetActualBPM( float &fMinBPMOut, float &fMaxBPMOut ) const;
float GetBPMAtBeat( float fBeat ) const;
void SetBPMAtBeat( float fBeat, float fBPM );
void AddBPMSegment( const BPMSegment &seg );
void AddStopSegment( const StopSegment &seg );
BPMSegment& GetBPMSegmentAtBeat( float fBeat );
void GetBeatAndBPSFromElapsedTime( float fElapsedTime, float &fBeatOut, float &fBPSOut, bool &bFreezeOut ) const;
float GetBeatFromElapsedTime( float fElapsedTime ) const // shortcut for places that care only about the beat
{
float fBeat, fThrowAway;
bool bThrowAway;
GetBeatAndBPSFromElapsedTime( fElapsedTime, fBeat, fThrowAway, bThrowAway );
return fBeat;
}
float GetElapsedTimeFromBeat( float fBeat ) const;
bool HasBpmChangesOrStops() const;
// used for editor fix - expand/contract needs to move BPMSegments
// and StopSegments that land during/after the edited range.
// in addition, we need to be able to shift them otherwise as well
// (for example, adding/removing rows should move all following
// segments as necessary)
// NOTE: How do we want to handle deleting rows that have a BPM change
// or a stop? I'd like to think we should move them to the first row
// of the range that was deleted (say if rows 1680-1728 are deleted, and
// a BPM change or a stop occurs at row 1704, we'll move it to row
// 1680).
void ScaleRegion( float fScale = 1, float fStartBeat = 0, float fEndBeat = 99999 );
void ShiftRows( float fStartBeat, float fBeatsToShift );
CString m_sFile; // informational only
vector<BPMSegment> m_BPMSegments; // this must be sorted before gameplay
vector<StopSegment> m_StopSegments; // this must be sorted before gameplay
float m_fBeat0OffsetInSeconds;
};
#endif
/*
* Copyright (c) 2001-2004 by the person(s) listed below. All rights reserved.
* Chris Danford
* Glenn Maynard
*/