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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/SongPosition.cpp
+12 -6
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@@ -11,7 +11,15 @@ void SongPosition::UpdateSongPosition( float fPositionSeconds, const TimingData
else
m_LastBeatUpdate.Touch();
timing.GetBeatAndBPSFromElapsedTime( fPositionSeconds, m_fSongBeat, m_fCurBPS, m_bFreeze, m_bDelay, m_iWarpBeginRow, m_fWarpDestination );
TimingData::GetBeatArgs beat_info;
beat_info.elapsed_time= fPositionSeconds;
timing.GetBeatAndBPSFromElapsedTime(beat_info);
m_fSongBeat= beat_info.beat;
m_fCurBPS= beat_info.bps_out;
m_bFreeze= beat_info.freeze_out;
m_bDelay= beat_info.delay_out;
m_iWarpBeginRow= beat_info.warp_begin_out;
m_fWarpDestination= beat_info.warp_dest_out;
// "Crash reason : -243478.890625 -48695.773438"
// The question is why is -2000 used as the limit? -aj
@@ -24,11 +32,9 @@ void SongPosition::UpdateSongPosition( float fPositionSeconds, const TimingData
m_fSongBeatNoOffset = timing.GetBeatFromElapsedTimeNoOffset( fPositionSeconds );
m_fMusicSecondsVisible = fPositionSeconds - g_fVisualDelaySeconds.Get();
float fThrowAway, fThrowAway2;
bool bThrowAway;
int iThrowAway;
timing.GetBeatAndBPSFromElapsedTime( m_fMusicSecondsVisible, m_fSongBeatVisible, fThrowAway, bThrowAway, bThrowAway, iThrowAway, fThrowAway2 );
beat_info.elapsed_time= m_fMusicSecondsVisible;
timing.GetBeatAndBPSFromElapsedTime(beat_info);
m_fSongBeatVisible= beat_info.beat;
}
void SongPosition::Reset()