actions/itgmania212121
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Optimize LoadTransformedSlidingWindow a bit.

Browse Source 
Const fixes.
This commit is contained in:
Glenn Maynard
2002-12-14 20:27:52 +00:00
parent d8fde44063
commit 2b16fbc4a3
2 changed files with 12 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files
stepmania/src/NoteData.cpp
+10 -23
View File
@@ -165,12 +165,12 @@ bool NoteData::IsThereANoteAtRow( int iRow ) const
}
int NoteData::GetFirstRow()
int NoteData::GetFirstRow() const
{
return BeatToNoteRow( GetFirstBeat() );
}
float NoteData::GetFirstBeat()
float NoteData::GetFirstBeat() const
{
float fEarliestBeatFoundSoFar = MAX_BEATS;
@@ -443,37 +443,25 @@ void NoteData::LoadTransformedSlidingWindow( NoteData* pOriginal, int iNewNumTra
int bOffsetIncreasing = true;
int iLastRow = pOriginal->GetLastRow();
for( int r=0; r<=iLastRow; r++ )
for( int r=0; r<=iLastRow; )
{
// copy notes in this measure
for( int t=0; t<pOriginal->m_iNumTracks; t++ )
{
int iOldTrack = t;
int iNewTrack = (iOldTrack + iCurTrackOffset) % iNewNumTracks;
if( pOriginal->GetTapNote(iOldTrack, r) != TAP_EMPTY )
/* Copy a measure's worth of rows. This is an optimization; it's
* faster to copy row-wise than track-wise. */
do {
int iOldTrack = t;
int iNewTrack = (iOldTrack + iCurTrackOffset) % iNewNumTracks;
this->SetTapNote(iNewTrack, r, pOriginal->GetTapNote(iOldTrack, r));
r++;
} while (r<=iLastRow && r % (ROWS_PER_MEASURE*4) == 0 );
}
if( r % (ROWS_PER_MEASURE*4) == 0 ) // adjust sliding window every 4 measures
{
// See if there is a hold crossing the beginning of this measure
bool bHoldCrossesThisMeasure = false;
#if 0
pOriginal->Convert4sToHoldNotes();
for( int i=0; i<pOriginal->GetNumHoldNotes(); i++ )
{
const HoldNote& hn = pOriginal->GEtHoldNote(i);
/* Bug here: NoteRowToBeat() may have floating point error,
* so we need to do an epsilon here. But we can do this in
* 4s easier anyway ... XXX -glenn */
if( hn.m_fStartBeat < NoteRowToBeat(r) && hn.m_fEndBeat > NoteRowToBeat(r) )
{
bHoldCrossesThisMeasure = true;
break;
}
}
pOriginal->ConvertHoldNotesTo4s();
#endif
if( r )
for( int t=0; t<=pOriginal->m_iNumTracks; t++ )
@@ -501,7 +489,6 @@ void NoteData::LoadTransformedSlidingWindow( NoteData* pOriginal, int iNewNumTra
Convert4sToHoldNotes();
}
void NoteData::PadTapNotes(int rows)
{
int needed = rows - m_TapNotes[0].size() + 1;