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rewrite of BitmapText (still needs work) and support for BPM changes.

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This commit is contained in:
Chris Danford
2001-11-27 22:47:30 +00:00
parent 6d5e88563a
commit 640efc6d98
7 changed files with 185 additions and 95 deletions
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stepmania/src/Song.cpp
+59 -12
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@@ -25,8 +25,9 @@
//////////////////////////////
Song::Song()
{
m_fBPM = 0;
m_fBeatOffset = 0;
m_bChangedSinceSave = false;
// m_fBPM = 0;
m_fOffsetInSeconds = 0;
}
bool Song::LoadFromSongDir( CString sDir )
@@ -120,8 +121,17 @@ bool Song::LoadSongInfoFromBMSFile( CString sPath )
}
else if( value_name == "#ARTIST" )
m_sArtist = data_array[0];
else if( value_name == "#BPM" )
m_fBPM = (FLOAT)atof( data_array[0] );
else if( value_name == "#BPM" ) {
BPMSegment new_seg;
new_seg.m_iStartBeat = 0;
new_seg.m_fBPM = (float)atof( data_array[0] );
// find insertion point
for( int i=0; i<m_BPMSegments.GetSize(); i++ )
if( m_BPMSegments[i].m_iStartBeat > new_seg.m_iStartBeat )
break;
m_BPMSegments.InsertAt( i, new_seg );
RageLog( "Inserting new BPM change at beat %d, BPM %f, index %d", new_seg.m_iStartBeat, new_seg.m_fBPM, i );
}
else if( value_name == "#BackBMP" || value_name == "#backBMP")
m_sBackground = data_array[0];
else if( value_name == "#WAV99" )
@@ -129,7 +139,29 @@ bool Song::LoadSongInfoFromBMSFile( CString sPath )
else if( value_name.GetLength() == 6 ) // this is probably step or offset data. Looks like "#00705"
{
int iMeasureNo = atoi( value_name.Mid(1,3) );
int iNoteNum = atoi( value_name.Mid(4,2) );
int iTrackNum = atoi( value_name.Mid(4,2) );
if( m_sTitle.Find("era") > 0 )
m_sTitle = m_sTitle;
switch( iTrackNum )
{
case 03: // bpm
{
int iNewBPM;
sscanf( data_array[0], "%x", &iNewBPM ); // data is in hexadecimal
BPMSegment new_seg;
new_seg.m_iStartBeat = iMeasureNo * 4;
new_seg.m_fBPM = (float)iNewBPM;
// find insertion point
for( int i=0; i<m_BPMSegments.GetSize(); i++ )
if( m_BPMSegments[i].m_iStartBeat > new_seg.m_iStartBeat )
break;
m_BPMSegments.InsertAt( i, new_seg );
RageLog( "Inserting new BPM change at beat %d, BPM %f, index %d", new_seg.m_iStartBeat, new_seg.m_fBPM, i );
}
break;
}
CString sNoteData = data_array[0];
CArray<BOOL, BOOL&> arrayNotes;
@@ -141,23 +173,38 @@ bool Song::LoadSongInfoFromBMSFile( CString sPath )
}
const int iNumNotesInThisMeasure = arrayNotes.GetSize();
//RageLog( "%s:%s: iMeasureNo = %d, iNoteNum = %d, iNumNotesInThisMeasure = %d",
// valuename, sNoteData, iMeasureNo, iNoteNum, iNumNotesInThisMeasure );
//RageLog( "%s:%s: iMeasureNo = %d, iTrackNum = %d, iNumNotesInThisMeasure = %d",
// valuename, sNoteData, iMeasureNo, iTrackNum, iNumNotesInThisMeasure );
for( int j=0; j<iNumNotesInThisMeasure; j++ )
{
if( arrayNotes.GetAt(j) == TRUE )
{
FLOAT fPercentThroughMeasure = (FLOAT)j/(FLOAT)iNumNotesInThisMeasure;
float fPercentThroughMeasure = (float)j/(float)iNumNotesInThisMeasure;
// index is in quarter beats starting at beat 0
int iStepIndex = (int) ( (iMeasureNo + fPercentThroughMeasure)
* BEATS_PER_MEASURE * ELEMENTS_PER_BEAT );
switch( iNoteNum )
switch( iTrackNum )
{
case 01: // offset
m_fBeatOffset = StepIndexToBeat(iStepIndex);
{
float fBeatOffset = StepIndexToBeat(iStepIndex);
float fBPS = m_BPMSegments[0].m_fBPM/60.0f;
m_fOffsetInSeconds = fBeatOffset / fBPS;
//RageLog( "Found offset to be index %d, beat %f", iStepIndex, StepIndexToBeat(iStepIndex) );
}
break;
case 03: // bpm
{
int iNewBPM;
sscanf( data_array[0], "%x", &iNewBPM ); // data is in hexadecimal
BPMSegment seg;
seg.m_iStartBeat = iMeasureNo * 4;
seg.m_fBPM = (float)iNewBPM;
m_BPMSegments.Add(seg);
RageLog( "Found new BPM change at beat %d, BPM %f", seg.m_iStartBeat, seg.m_fBPM );
}
break;
}
}
@@ -286,10 +333,10 @@ void Song::TidyUpData()
if( m_sTitle == "" ) m_sTitle = "Untitled song";
if( m_sArtist == "" ) m_sArtist = "Unknown artist";
if( m_sCreator == "" ) m_sCreator = "";
if( m_fBPM == 0 )
if( m_BPMSegments.GetSize() == 0 )
RageError( ssprintf("No #BPM specified in '%s.'", GetSongFilePath()) );
if( m_fBeatOffset == 0.0 )
if( m_fOffsetInSeconds == 0.0 )
RageLog( "WARNING: #OFFSET or #GAP in '%s' is either 0.0, or was missing.", GetSongFilePath() );
if( m_sMusic == "" || !DoesFileExist(GetMusicPath()) )