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optimizations to NoteDataUtil::CalculateRadarValues, results in 3x faster loading.

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This commit is contained in:
Thai Pangsakulyanont
2011-06-01 16:01:14 +07:00
parent 6f83556da7
commit 6ca0cd1e70
1 changed files with 104 additions and 13 deletions
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src/NoteDataUtil.cpp
+104 -13
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@@ -778,27 +778,118 @@ void NoteDataUtil::LoadTransformedLightsFromTwo( const NoteData &marquee, const
NoteDataUtil::RemoveMines( out );
}
struct RadarStats {
int taps;
int jumps;
int hands;
int quads;
};
RadarStats CalculateRadarStatsFast( const NoteData &in, RadarStats &out )
{
out.taps = 0;
out.jumps = 0;
out.hands = 0;
out.quads = 0;
map<int, int> simultaneousMap;
map<int, int> simultaneousMapNoHold;
map<int, int> simultaneousMapTapHoldHead;
map<int, int>::iterator itr;
for( int t=0; t<in.GetNumTracks(); t++ )
{
FOREACH_NONEMPTY_ROW_IN_TRACK_RANGE( in, t, r, 0, MAX_NOTE_ROW )
{
const TapNote &tn = in.GetTapNote(t, r);
switch( tn.type )
{
case TapNote::mine:
case TapNote::empty:
case TapNote::fake:
continue; // skip these types - they don't count
}
if( (itr = simultaneousMap.find(r)) == simultaneousMap.end() )
simultaneousMap[r] = 1;
else
itr->second++;
if( (itr = simultaneousMapNoHold.find(r)) == simultaneousMapNoHold.end() )
simultaneousMapNoHold[r] = 1;
else
itr->second++;
if( tn.type == TapNote::tap || tn.type == TapNote::lift || tn.type == TapNote::hold_head )
{
simultaneousMapTapHoldHead[r] = 1;
}
if( tn.type == TapNote::hold_head )
{
int searchStartRow = r + 1;
int searchEndRow = r + tn.iDuration;
FOREACH_NONEMPTY_ROW_ALL_TRACKS_RANGE( in, rr, searchStartRow, searchEndRow )
{
switch( in.GetTapNote(t, rr).type )
{
case TapNote::mine:
case TapNote::empty:
case TapNote::fake:
continue; // skip these types - they don't count
}
if( (itr = simultaneousMap.find(rr)) == simultaneousMap.end() )
simultaneousMap[rr] = 1;
else
itr->second++;
}
}
}
}
for( itr = simultaneousMap.begin(); itr != simultaneousMap.end(); itr ++ )
{
if( itr->second >= 3 )
{
out.hands ++;
if( itr->second >= 4 )
{
out.quads ++;
}
}
}
for( itr = simultaneousMapNoHold.begin(); itr != simultaneousMapNoHold.end(); itr ++ )
{
if( itr->second >= 2 )
{
out.jumps ++;
}
}
out.taps = simultaneousMapTapHoldHead.size();
return out;
}
void NoteDataUtil::CalculateRadarValues( const NoteData &in, float fSongSeconds, RadarValues& out )
{
RadarStats stats;
CalculateRadarStatsFast( in, stats );
// The for loop and the assert are used to ensure that all fields of
// RadarValue get set in here.
FOREACH_ENUM( RadarCategory, rc )
{
switch( rc )
{
case RadarCategory_Stream: out[rc] = GetStreamRadarValue( in, fSongSeconds ); break;
case RadarCategory_Voltage: out[rc] = GetVoltageRadarValue( in, fSongSeconds ); break;
case RadarCategory_Air: out[rc] = GetAirRadarValue( in, fSongSeconds ); break;
case RadarCategory_Freeze: out[rc] = GetFreezeRadarValue( in, fSongSeconds ); break;
case RadarCategory_Chaos: out[rc] = GetChaosRadarValue( in, fSongSeconds ); break;
case RadarCategory_TapsAndHolds: out[rc] = (float) in.GetNumRowsWithTapOrHoldHead(); break;
case RadarCategory_Jumps: out[rc] = (float) in.GetNumJumps(); break;
case RadarCategory_Holds: out[rc] = (float) in.GetNumHoldNotes(); break;
case RadarCategory_Mines: out[rc] = (float) in.GetNumMines(); break;
case RadarCategory_Hands: out[rc] = (float) in.GetNumHands(); break;
case RadarCategory_Rolls: out[rc] = (float) in.GetNumRolls(); break;
case RadarCategory_Lifts: out[rc] = (float) in.GetNumLifts(); break;
case RadarCategory_Fakes: out[rc] = (float) in.GetNumFakes(); break;
case RadarCategory_Stream: out[rc] = GetStreamRadarValue( in, fSongSeconds ); break;
case RadarCategory_Voltage: out[rc] = GetVoltageRadarValue( in, fSongSeconds ); break;
case RadarCategory_Air: out[rc] = GetAirRadarValue( in, fSongSeconds ); break;
case RadarCategory_Freeze: out[rc] = GetFreezeRadarValue( in, fSongSeconds ); break;
case RadarCategory_Chaos: out[rc] = GetChaosRadarValue( in, fSongSeconds ); break;
case RadarCategory_TapsAndHolds: out[rc] = (float) stats.taps; break;
case RadarCategory_Jumps: out[rc] = (float) stats.jumps; break;
case RadarCategory_Holds: out[rc] = (float) in.GetNumHoldNotes(); break;
case RadarCategory_Mines: out[rc] = (float) in.GetNumMines(); break;
case RadarCategory_Hands: out[rc] = (float) stats.hands; break;
case RadarCategory_Rolls: out[rc] = (float) in.GetNumRolls(); break;
case RadarCategory_Lifts: out[rc] = (float) in.GetNumLifts(); break;
case RadarCategory_Fakes: out[rc] = (float) in.GetNumFakes(); break;
default: ASSERT(0);
}
}