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implement NoteDataUtil::LoadOverlapped without 4s

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This commit is contained in:
Glenn Maynard
2005-01-23 18:52:15 +00:00
parent 64714a0566
commit e02431168d
1 changed files with 32 additions and 22 deletions
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stepmania/src/NoteDataUtil.cpp
+32 -22
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@@ -330,7 +330,7 @@ void NoteDataUtil::LoadOverlapped( const NoteData &input, NoteData &out, int iNe
out.SetNumTracks( iNewNumTracks );
NoteData in;
in.To4s( input );
in.To2sAnd3s( input );
/* Keep track of the last source track that put a tap into each destination track,
* and the row of that tap. Then, if two rows are trying to put taps into the
@@ -342,47 +342,57 @@ void NoteDataUtil::LoadOverlapped( const NoteData &input, NoteData &out, int iNe
for( int tr = 0; tr < MAX_NOTE_TRACKS; ++tr )
{
LastSourceTrack[tr] = -1;
LastSourceRow[tr] = -9999;
LastSourceRow[tr] = -MAX_NOTE_ROW;
DestRow[tr] = tr;
wrap( DestRow[tr], iNewNumTracks );
}
const int ShiftThreshold = BeatToNoteRow(1);
const int iLastRow = in.GetLastRow();
for( int row = 0; row <= iLastRow; ++row )
FOREACH_NONEMPTY_ROW_ALL_TRACKS( in, row )
{
for ( int i = 0; i < in.GetNumTracks(); i++ )
for( int iTrackFrom = 0; iTrackFrom < in.GetNumTracks(); ++iTrackFrom )
{
const int iTrackFrom = i;
int &iTrackTo = DestRow[i];
const TapNote &tnFrom = in.GetTapNote( iTrackFrom, row );
if( tnFrom.type == TapNote::empty )
continue;
if( tnFrom.type == TapNote::hold_tail )
continue; /* copied with hold_head */
if( LastSourceTrack[iTrackTo] != iTrackFrom &&
row - LastSourceRow[iTrackTo] < ShiftThreshold )
/* If this is a hold note, find the end. */
int iEndIndex = row;
if( tnFrom.type == TapNote::hold_head )
in.IsHoldNoteAtBeat( iTrackFrom, row, NULL, &iEndIndex );
int &iTrackTo = DestRow[iTrackFrom];
if( LastSourceTrack[iTrackTo] != iTrackFrom )
{
/* This destination track is in use by a different source track. Use the
* least-recently-used track. */
for( int DestTrack = 0; DestTrack < iNewNumTracks; ++DestTrack )
if( LastSourceRow[DestTrack] < LastSourceRow[iTrackTo] )
iTrackTo = DestTrack;
if( iEndIndex - LastSourceRow[iTrackTo] < ShiftThreshold )
{
/* This destination track is in use by a different source track. Use the
* least-recently-used track. */
for( int DestTrack = 0; DestTrack < iNewNumTracks; ++DestTrack )
if( LastSourceRow[DestTrack] < LastSourceRow[iTrackTo] )
iTrackTo = DestTrack;
}
/* If it's still in use, then we just don't have an available track. */
if( iEndIndex - LastSourceRow[iTrackTo] < ShiftThreshold )
continue;
}
/* If it's still in use, then we just don't have an available track. */
if( LastSourceTrack[iTrackTo] != iTrackFrom &&
row - LastSourceRow[iTrackTo] < ShiftThreshold )
continue;
LastSourceTrack[iTrackTo] = iTrackFrom;
LastSourceRow[iTrackTo] = row;
LastSourceRow[iTrackTo] = iEndIndex;
out.SetTapNote( iTrackTo, row, tnFrom );
if( tnFrom.type == TapNote::hold_head )
{
TapNote tnTail = in.GetTapNote( iTrackFrom, iEndIndex );
out.SetTapNote( iTrackTo, iEndIndex, tnTail );
}
}
}
out.Convert4sToHoldNotes();
out.Convert2sAnd3sToHoldNotes();
}
int FindLongestOverlappingHoldNoteForAnyTrack( const NoteData &in, int iRow )