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Fixed super-shuffle. It's sad that it was broken for so long!

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This commit is contained in:
Chris Danford
2003-02-11 21:41:43 +00:00
parent dd5af900d6
commit ee9f4d99a5
3 changed files with 21 additions and 39 deletions
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stepmania/src/NoteData.cpp
+19 -34
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@@ -916,51 +916,36 @@ void NoteDataUtil::Turn( NoteData &in, PlayerOptions::TurnType tt )
in.Convert2sAnd3sToHoldNotes();
if( tt == PlayerOptions::TURN_SUPER_SHUFFLE )
{
// We already did the normal shuffling code above, which did a good job
// of shuffling HoldNotes without creating impossible patterns.
// Now, go in and shuffle the TapNotes some more.
// clear tempNoteData because we're going to use it as a scratch buffer again
tempNoteData.Init();
tempNoteData.Config(in);
// copy all HoldNotes before copying taps
for( int i=0; i<in.GetNumHoldNotes(); i++ )
tempNoteData.AddHoldNote( in.GetHoldNote(i) );
// Now, go in and shuffle the TapNotes per-row.
in.ConvertHoldNotesTo4s();
for( int r=0; r<=in.GetLastRow(); r++ ) // foreach row
for( int r=0; r<=max_row; r++ )
{
if( in.IsRowEmpty(r) )
continue; // no need to super shuffle this row
// shuffle this row
vector<int> aiTracksThatCouldHaveTapNotes;
for( t=0; t<in.GetNumTracks(); t++ )
if( in.GetTapNote(t, r) != TAP_HOLD ) // any point that isn't part of a hold
aiTracksThatCouldHaveTapNotes.push_back( t );
for( t=0; t<in.GetNumTracks(); t++ )
for( int t1=0; t1<in.GetNumTracks(); t1++ )
{
if( in.GetTapNote(t, r) != TAP_HOLD && in.GetTapNote(t, r) != TAP_EMPTY ) // there is a tap note here (and not a HoldNote)
TapNote tn1 = in.GetTapNote(t1, r);
if( tn1!='4' ) // a tap that is not part of a hold
{
int iRandIndex = rand() % aiTracksThatCouldHaveTapNotes.size();
int iTo = aiTracksThatCouldHaveTapNotes[ iRandIndex ];
aiTracksThatCouldHaveTapNotes.erase( aiTracksThatCouldHaveTapNotes.begin()+iRandIndex,
aiTracksThatCouldHaveTapNotes.begin()+iRandIndex+1 );
tempNoteData.SetTapNote(iTo, r, in.GetTapNote(t, r));
// probe for a spot to swap with
while( 1 )
{
int t2 = rand() % in.GetNumTracks();
TapNote tn2 = in.GetTapNote(t2, r);
if( tn2!='4' ) // a tap that is not part of a hold
{
// swap
in.SetTapNote(t1, r, tn2);
in.SetTapNote(t2, r, tn1);
break;
}
}
}
}
}
in.CopyAll( &tempNoteData ); // copy note data from newData back into this
in.Convert4sToHoldNotes();
}
}