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Optimize autogen pointer creation (~20% less CPU during cached loads)

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This commit is contained in:
Glenn Maynard
2003-12-29 23:19:41 +00:00
parent 163ae62eaa
commit c8e4d02641
1 changed files with 14 additions and 3 deletions
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stepmania/src/Song.cpp
+14 -3
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@@ -1013,11 +1013,21 @@ void Song::SaveToDWIFile()
void Song::AddAutoGenNotes()
{
for( StepsType ntMissing=(StepsType)0; ntMissing<NUM_STEPS_TYPES; ntMissing=(StepsType)(ntMissing+1) )
bool HasNotes[NUM_STEPS_TYPES];
memset( HasNotes, 0, sizeof(HasNotes) );
for( unsigned i=0; i < m_apNotes.size(); i++ ) // foreach Steps
{
if( SongHasNotesType(ntMissing) )
if( m_apNotes[i]->IsAutogen() )
continue;
StepsType nt = m_apNotes[i]->m_StepsType;
HasNotes[nt] = true;
}
for( StepsType ntMissing=(StepsType)0; ntMissing<NUM_STEPS_TYPES; ntMissing=(StepsType)(ntMissing+1) )
{
if( HasNotes[ntMissing] )
continue;
// missing Steps of this type
int iNumTracksOfMissing = GAMEMAN->NotesTypeToNumTracks(ntMissing);
@@ -1028,9 +1038,10 @@ void Song::AddAutoGenNotes()
for( StepsType nt=(StepsType)0; nt<NUM_STEPS_TYPES; nt=(StepsType)(nt+1) )
{
if( GetStepsByDifficulty( nt, DIFFICULTY_INVALID, false ) == NULL )
if( !HasNotes[nt] )
continue;
/* has (non-autogen) Steps of this type */
const int iNumTracks = GAMEMAN->NotesTypeToNumTracks(nt);
const int iTrackDifference = abs(iNumTracks-iNumTracksOfMissing);
if( iTrackDifference < iBestTrackDifference )