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Better BPM loading!

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This commit is contained in:
Thai Pangsakulyanont
2011-03-01 16:52:28 +07:00
parent 43313b76f2
commit 265c511a60
1 changed files with 15 additions and 78 deletions
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src/NotesLoaderBMS.cpp
+15 -78
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@@ -494,8 +494,8 @@ static bool LoadFromBMSFile( const RString &sPath, const NameToData_t &mapNameTo
int row = iRowNo + lrintf( fPercentThroughMeasure * fBeatsPerMeasure * ROWS_PER_BEAT );
// some BMS files seem to have funky alignment, causing us to write gigantic cache files.
// Try to correct for this by quantizing.
row = Quantize( row, ROWS_PER_MEASURE/64 );
// Try to correct for this by quantizing. // not always
// row = Quantize( row, ROWS_PER_MEASURE/64 );
BmsTrack bmsTrack;
bool bIsHold;
@@ -832,13 +832,16 @@ static void ReadGlobalTags( const NameToData_t &mapNameToData, Song &out, Measur
{
RString sPair = sData.substr( i*2, 2 );
int iVal = 0;
if( sscanf( sPair, "%x", &iVal ) == 0 || iVal == 0 )
continue;
int iRow = iStepIndex + (i * iRowsPerMeasure) / totalPairs;
float fBeat = NoteRowToBeat( iRow );
float fBeat = NoteRowToBeat( iRow );
int iVal = 0;
sscanf( sPair, "%x", &iVal );
if (sPair == "00")
{
continue;
}
switch( iBMSTrackNo )
{
case BMS_TRACK_BPM:
@@ -861,30 +864,7 @@ static void ReadGlobalTags( const NameToData_t &mapNameToData, Song &out, Measur
if( GetTagFromMap( mapNameToData, sTagToLookFor, sBPM ) )
{
float fBPM = StringToFloat( sBPM );
if( PREFSMAN->m_bQuirksMode )
{
BPMSegment newSeg( BeatToNoteRow(fBeat), fBPM );
out.AddBPMSegment( newSeg );
if( fBPM > 0.0f )
LOG->Trace( "Inserting new positive BPM change at beat %f, BPM %f", fBeat, newSeg.GetBPM() );
else
LOG->Trace( "Inserting new negative BPM change at beat %f, BPM %f", fBeat, newSeg.GetBPM() );
}
else
{
if( fBPM > 0.0f )
{
BPMSegment newSeg( BeatToNoteRow(fBeat), fBPM );
out.AddBPMSegment( newSeg );
LOG->Trace( "Inserting new BPM change at beat %f, BPM %f", fBeat, newSeg.GetBPM() );
}
else
{
LOG->UserLog( "Song file", out.GetSongDir(), "has an invalid BPM change at beat %f, BPM %f",
fBeat, fBPM );
}
}
out.SetBPMAtBeat( fBeat, fBPM );
}
else
{
@@ -894,6 +874,10 @@ static void ReadGlobalTags( const NameToData_t &mapNameToData, Song &out, Measur
}
case BMS_TRACK_STOP:
{
if( iVal == 0 )
{
break;
}
RString sTagToLookFor = ssprintf( "#stop%02x", iVal );
RString sBeats;
if( GetTagFromMap( mapNameToData, sTagToLookFor, sBeats ) )
@@ -916,53 +900,6 @@ static void ReadGlobalTags( const NameToData_t &mapNameToData, Song &out, Measur
}
}
switch( iBMSTrackNo )
{
case BMS_TRACK_BPM_REF:
{
// XXX: offset
int iBPMNo;
sscanf( sData, "%x", &iBPMNo ); // data is in hexadecimal
RString sBPM;
RString sTagToLookFor = ssprintf( "#bpm%02x", iBPMNo );
if( GetTagFromMap( mapNameToData, sTagToLookFor, sBPM ) )
{
float fBPM = StringToFloat( sBPM );
if( PREFSMAN->m_bQuirksMode )
{
BPMSegment newSeg( iStepIndex, fBPM );
out.AddBPMSegment( newSeg );
if( fBPM > 0.0f )
LOG->Trace( "Inserting new positive BPM change at beat %f, BPM %f", NoteRowToBeat(newSeg.m_iStartRow), newSeg.GetBPM() );
else
LOG->Trace( "Inserting new negative BPM change at beat %f, BPM %f", NoteRowToBeat(newSeg.m_iStartRow), newSeg.GetBPM() );
}
else
{
if( fBPM > 0.0f )
{
BPMSegment newSeg( iStepIndex, fBPM );
out.AddBPMSegment( newSeg );
LOG->Trace( "Inserting new BPM change at beat %f, BPM %f", NoteRowToBeat(newSeg.m_iStartRow), newSeg.GetBPM() );
}
else
{
LOG->UserLog( "Song file", out.GetSongDir(), "has an invalid BPM change at beat %f, BPM %f.",
NoteRowToBeat(iStepIndex), fBPM );
}
}
}
else
{
LOG->UserLog( "Song file", out.GetSongDir(), "has tag \"%s\" which cannot be found.", sTagToLookFor.c_str() );
}
break;
}
}
}
// Now that we're done reading BPMs, factor out weird time signatures.