#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;

	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) 2001-2003 by the person(s) listed below.  All rights reserved.
 *	Chris Danford
 *	Glenn Maynard
 */