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cleanup

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support #nnn02 tags (temporary BPM divide)
This commit is contained in:
Glenn Maynard
2004-10-25 05:35:15 +00:00
parent e6dcf218b9
commit b4de0cfc14
1 changed files with 24 additions and 25 deletions
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stepmania/src/NotesLoaderBMS.cpp
+24 -25
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@@ -615,42 +615,36 @@ bool BMSLoader::LoadFromDir( CString sDir, Song &out )
int iMeasureNo = atoi( value_name.substr(1,3).c_str() ); int iMeasureNo = atoi( value_name.substr(1,3).c_str() );
int iBMSTrackNo = atoi( value_name.substr(4,2).c_str() ); int iBMSTrackNo = atoi( value_name.substr(4,2).c_str() );
CString sNoteData = value_data; int iStepIndex = (int) ( iMeasureNo * ROWS_PER_MEASURE );
vector<int> arrayNotes;
for( int i=0; i+1<sNoteData.GetLength(); i+=2 )
{ {
CString sNote = sNoteData.substr(i,2);
int iNote;
sscanf( sNote, "%x", &iNote ); // data is in hexadecimal
arrayNotes.push_back( iNote );
}
const unsigned iNumNotesInThisMeasure = arrayNotes.size();
for( unsigned j=0; j<iNumNotesInThisMeasure; j++ )
{
if( arrayNotes[j] == 0 )
continue;
float fPercentThroughMeasure = (float)j/(float)iNumNotesInThisMeasure;
// index is in quarter beats starting at beat 0
int iStepIndex = (int) ( (iMeasureNo + fPercentThroughMeasure)
* BEATS_PER_MEASURE * ROWS_PER_BEAT );
switch( iBMSTrackNo ) switch( iBMSTrackNo )
{ {
/* Don't do this; we handle autoplay tracks properly now. */
case 1: { // background music track case 1: { // background music track
float fBeatOffset = fBeatOffset = NoteRowToBeat( (float)iStepIndex ); /* float fBeatOffset = fBeatOffset = NoteRowToBeat( (float)iStepIndex );
if( fBeatOffset > 10 ) // some BPMs's play the music again at the end. Why? Who knows... if( fBeatOffset > 10 ) // some BPMs's play the music again at the end. Why? Who knows...
break; break;
float fBPS; float fBPS;
fBPS = out.m_Timing.m_BPMSegments[0].m_fBPM/60.0f; fBPS = out.m_Timing.m_BPMSegments[0].m_fBPM/60.0f;
out.m_Timing.m_fBeat0OffsetInSeconds = fBeatOffset / fBPS; out.m_Timing.m_fBeat0OffsetInSeconds = fBeatOffset / fBPS;
*/ break;
}
case 2:
{
/* Yuck: BPM divide for this measure only. */
float fBPM = out.GetBPMAtBeat( NoteRowToBeat(iStepIndex) );
float fNewBPM = fBPM / (float) atof(value_data);
out.AddBPMSegment( BPMSegment( NoteRowToBeat(iStepIndex), fNewBPM ) );
/* Undo the BPM change at the end of the measure. */
out.AddBPMSegment( BPMSegment( NoteRowToBeat(iStepIndex)+4, fBPM ) );
LOG->Trace( "Inserting new temp BPM change at beat %f, BPM %f", NoteRowToBeat(iStepIndex), fNewBPM );
break; break;
} }
case 3: { // bpm change case 3: { // bpm change
BPMSegment newSeg( NoteRowToBeat(iStepIndex), (float)arrayNotes[j] ); BPMSegment newSeg( NoteRowToBeat(iStepIndex), (float) atof(value_data) );
out.AddBPMSegment( newSeg ); out.AddBPMSegment( newSeg );
LOG->Trace( "Inserting new BPM change at beat %f, BPM %f", newSeg.m_fStartBeat, newSeg.m_fBPM ); LOG->Trace( "Inserting new BPM change at beat %f, BPM %f", newSeg.m_fStartBeat, newSeg.m_fBPM );
break; break;
@@ -659,7 +653,9 @@ bool BMSLoader::LoadFromDir( CString sDir, Song &out )
case 8: { // indirect bpm case 8: { // indirect bpm
/* This is a very inefficient way to parse, but it doesn't matter much /* This is a very inefficient way to parse, but it doesn't matter much
because this is only parsed on the first run after the song is installed. */ because this is only parsed on the first run after the song is installed. */
CString sTagToLookFor = ssprintf( "#BPM%02x", arrayNotes[j] ); int iBPMNo;
sscanf( value_data, "%x", &iBPMNo ); // data is in hexadecimal
CString sTagToLookFor = ssprintf( "#BPM%02x", iBPMNo );
float fBPM = -1; float fBPM = -1;
@@ -720,7 +716,10 @@ bool BMSLoader::LoadFromDir( CString sDir, Song &out )
case 9: { // stop case 9: { // stop
/* This is a very inefficient way to parse, but it doesn't /* This is a very inefficient way to parse, but it doesn't
matter much because this is only parsed on the first run after the song is installed. */ matter much because this is only parsed on the first run after the song is installed. */
CString sTagToLookFor = ssprintf( "#STOP%02x", arrayNotes[j] ); int iStopNo;
sscanf( value_data, "%x", &iStopNo ); // data is in hexadecimal
CString sTagToLookFor = ssprintf( "#STOP%02x", iStopNo );
float fFreezeStartBeat = NoteRowToBeat(iStepIndex); float fFreezeStartBeat = NoteRowToBeat(iStepIndex);
float fFreezeSecs = -1; float fFreezeSecs = -1;