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Added code for AutoAdjust

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This commit is contained in:
Tom Jackson
2002-10-01 01:53:56 +00:00
parent 1958f815b6
commit ae16a45f88
2 changed files with 65 additions and 23 deletions
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stepmania/src/Player.cpp
+51 -13
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@@ -75,12 +75,13 @@ Player::Player()
g_fComboJudgeTweenSeconds = COMBO_JUDGE_TWEEN_SECONDS;
g_iBrightGhostThreshold = BRIGHT_GHOST_THRESHOLD;
m_PlayerNumber = PLAYER_INVALID;
m_pLifeMeter = NULL;
m_pScore = NULL;
m_iOffsetSample = 0;
this->AddChild( &m_GrayArrowRow );
this->AddChild( &m_NoteField );
this->AddChild( &m_GhostArrowRow );
@@ -339,7 +340,9 @@ void Player::Step( int col )
// look for the closest matching step
int iIndexStartLookingAt = BeatToNoteRow( GAMESTATE->m_fSongBeat );
int iNumElementsToExamine = BeatToNoteRow( GetMaxBeatDifference() ); // number of elements to examine on either end of iIndexStartLookingAt
// number of elements to examine on either end of iIndexStartLookingAt
// 3dfsux: I expanded this window so that beat correction will look
int iNumElementsToExamine = BeatToNoteRow( GAMESTATE->m_fCurBPS * GAMESTATE->m_SongOptions.m_fMusicRate );
//LOG->Trace( "iIndexStartLookingAt = %d, iNumElementsToExamine = %d", iIndexStartLookingAt, iNumElementsToExamine );
@@ -386,32 +389,67 @@ void Player::Step( int col )
const float fStepBeat = NoteRowToBeat( (float)iIndexOverlappingNote );
const float fBeatsUntilStep = fStepBeat - fSongBeat;
const float fPercentFromPerfect = fabsf( fBeatsUntilStep / GetMaxBeatDifference() );
const float fNoteOffset = fBeatsUntilStep / GAMESTATE->m_fCurBPS; //the offset from the actual step in seconds
TapNoteScore &score = m_TapNoteScores[col][iIndexOverlappingNote];
if( fPercentFromPerfect < PREFSMAN->m_fJudgeWindowPerfectPercent ) score = TNS_PERFECT;
else if( fPercentFromPerfect < PREFSMAN->m_fJudgeWindowGreatPercent ) score = TNS_GREAT;
else if( fPercentFromPerfect < PREFSMAN->m_fJudgeWindowGoodPercent ) score = TNS_GOOD;
else score = TNS_BOO;
//we have to mark boo's as better than MISS's now that the window is expanded
else if( fPercentFromPerfect < 1.0f ) score = TNS_BOO;
else score = TNS_NONE;
if( GAMESTATE->m_bDemonstration || PREFSMAN->m_bAutoPlay )
score = TNS_PERFECT;
bDestroyedNote = (score >= TNS_GOOD);
LOG->Trace("(%2d/%2d)Note offset: %f, Score: %i", m_iOffsetSample, SAMPLE_COUNT, fNoteOffset, score);
if (GAMESTATE->m_SongOptions.m_AutoAdjust == SongOptions::ADJUST_ON) {
m_fOffset[m_iOffsetSample++] = fNoteOffset;
if (m_iOffsetSample >= SAMPLE_COUNT) {
float stddev = 0.0f, mean = 0.0f;
int i;
//calculate mean
for( i=0; i<SAMPLE_COUNT; i++ )
mean += m_fOffset[i];
mean /= SAMPLE_COUNT;
bool bRowDestroyed = true;
for( int t=0; t<m_iNumTracks; t++ ) // did this complete the elminiation of the row?
{
if( m_TapNotes[t][iIndexOverlappingNote] != '0' && // there is a note here
m_TapNoteScores[t][iIndexOverlappingNote] == TNS_NONE ) // and it doesn't have a score
{
bRowDestroyed = false;
break; // stop searching
//calculate stddev
for( i=0; i<SAMPLE_COUNT; i++ )
stddev += (m_fOffset[i] - mean) * (m_fOffset[i] - mean);
stddev /= SAMPLE_COUNT + 1; //yes, N+1. Really.
stddev = sqrt(stddev);
if (stddev < .03 && stddev < fabsf(mean)) { //If they stepped with less than .025 error
GAMESTATE->m_pCurSong->m_fBeat0OffsetInSeconds += mean;
LOG->Trace("Offset corrected by %f. Error in steps: %f seconds.", mean, stddev);
} else
LOG->Trace("Offset NOT corrected. Average offset: %f seconds. Error: %f seconds.", mean, stddev);
m_iOffsetSample = 0;
}
}
if( bRowDestroyed )
OnRowDestroyed( col, iIndexOverlappingNote );
if (score > TNS_NONE) {
bool bRowDestroyed = true;
for( int t=0; t<m_iNumTracks; t++ ) // did this complete the elminiation of the row?
{
if( m_TapNotes[t][iIndexOverlappingNote] != '0' && // there is a note here
m_TapNoteScores[t][iIndexOverlappingNote] == TNS_NONE ) // and it doesn't have a score
{
bRowDestroyed = false;
break; // stop searching
}
}
if( bRowDestroyed )
OnRowDestroyed( col, iIndexOverlappingNote );
}
}
if( !bDestroyedNote )