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Added lookup table system to TimingData so that GetBeatAndBPS and GetElapsedTime don't have to walk through the entire list of timing segments several times every frame during gameplay.

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Kyzentun
2015-03-14 23:17:35 -06:00
parent 0d309e633d
commit 2b7ebb3729
7 changed files with 410 additions and 237 deletions
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src/Background.cpp
+4 -5
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@@ -712,16 +712,15 @@ void BackgroundImpl::Layer::UpdateCurBGChange( const Song *pSong, float fLastMus
if( m_aBGChanges.size() == 0 )
return;
float fBeat, fBPS, fThrowAway;
bool bFreeze;
int iThrowAway;
pSong->m_SongTiming.GetBeatAndBPSFromElapsedTime( fCurrentTime, fBeat, fBPS, bFreeze, bFreeze, iThrowAway, fThrowAway );
TimingData::GetBeatArgs beat_info;
beat_info.elapsed_time= fCurrentTime;
pSong->m_SongTiming.GetBeatAndBPSFromElapsedTime(beat_info);
// Calls to Update() should *not* be scaled by music rate; fCurrentTime is. Undo it.
const float fRate = GAMESTATE->m_SongOptions.GetCurrent().m_fMusicRate;
// Find the BGSegment we're in
const int i = FindBGSegmentForBeat( fBeat );
const int i = FindBGSegmentForBeat(beat_info.beat);
float fDeltaTime = fCurrentTime - fLastMusicSeconds;
if( i != -1 && i != m_iCurBGChangeIndex ) // we're changing backgrounds