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Vain, hopeless attempt to simplify GetBeatAndBPSFromElapsedTime. :)

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This commit is contained in:
Glenn Maynard
2002-08-20 07:20:59 +00:00
parent 8b7b267dbe
commit 8814a37d19
1 changed files with 28 additions and 30 deletions
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stepmania/src/Song.cpp
+28 -30
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@@ -163,7 +163,8 @@ void Song::GetBeatAndBPSFromElapsedTime( float fElapsedTime, float &fBeatOut, fl
// calculate the number of seconds in this segment
float fSecondsInThisSegment = fBeatsInThisSegment / fBPS;
for( int j=0; j<m_StopSegments.GetSize(); j++ ) // foreach freeze
int j;
for( j=0; j<m_StopSegments.GetSize(); j++ ) // foreach freeze
{
if( fStartBeatThisSegment <= m_StopSegments[j].m_fStartBeat && m_StopSegments[j].m_fStartBeat < fStartBeatNextSegment )
{
@@ -177,43 +178,40 @@ void Song::GetBeatAndBPSFromElapsedTime( float fElapsedTime, float &fBeatOut, fl
{
// this BPMSegement is NOT the current segment
fElapsedTime -= fSecondsInThisSegment;
continue;
}
else
// this BPMSegment IS the current segment
float fBeatEstimate = fStartBeatThisSegment + fElapsedTime*fBPS;
for( j=0; j<m_StopSegments.GetSize(); j++ ) // foreach freeze
{
// this BPMSegment IS the current segment
if( fStartBeatThisSegment > m_StopSegments[j].m_fStartBeat ||
m_StopSegments[j].m_fStartBeat > fStartBeatNextSegment )
continue;
float fBeatEstimate = fStartBeatThisSegment + fElapsedTime*fBPS;
// this freeze lies within this BPMSegment
for( int j=0; j<m_StopSegments.GetSize(); j++ ) // foreach freeze
if( m_StopSegments[j].m_fStartBeat > fBeatEstimate )
break;
fElapsedTime -= m_StopSegments[j].m_fStopSeconds;
// re-estimate
fBeatEstimate = fStartBeatThisSegment + fElapsedTime*fBPS;
if( fBeatEstimate < m_StopSegments[j].m_fStartBeat )
{
if( fStartBeatThisSegment <= m_StopSegments[j].m_fStartBeat && m_StopSegments[j].m_fStartBeat <= fStartBeatNextSegment )
{
// this freeze lies within this BPMSegment
if( m_StopSegments[j].m_fStartBeat <= fBeatEstimate )
{
fElapsedTime -= m_StopSegments[j].m_fStopSeconds;
// re-estimate
fBeatEstimate = fStartBeatThisSegment + fElapsedTime*fBPS;
if( fBeatEstimate < m_StopSegments[j].m_fStartBeat )
{
fBeatOut = m_StopSegments[j].m_fStartBeat;
fBPSOut = fBPS;
bFreezeOut = true;
return;
}
}
else
break;
}
fBeatOut = m_StopSegments[j].m_fStartBeat;
fBPSOut = fBPS;
bFreezeOut = true;
return;
}
fBeatOut = fBeatEstimate;
fBPSOut = fBPS;
bFreezeOut = false;
return;
}
fBeatOut = fBeatEstimate;
fBPSOut = fBPS;
bFreezeOut = false;
return;
}
}