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simplify using a functor class instead of a template

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This commit is contained in:
Glenn Maynard
2003-06-27 09:19:45 +00:00
parent 41c3a8d1fa
commit d747c3fc2f
1 changed files with 17 additions and 30 deletions
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stepmania/src/Song.cpp
+17 -30
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@@ -1349,43 +1349,30 @@ void SortSongPointerArrayByMostPlayed( vector<Song*> &arraySongPointers )
song_sort_val.clear(); song_sort_val.clear();
} }
template <Difficulty dc> struct CompareSongByMeter
int CompareSongByMeter(const Song* pSong1, const Song* pSong2)
{ {
Notes* pNotes1 = pSong1->GetNotes( GAMESTATE->GetCurrentStyleDef()->m_NotesType, dc ); Difficulty dc;
Notes* pNotes2 = pSong2->GetNotes( GAMESTATE->GetCurrentStyleDef()->m_NotesType, dc );
int iMeter1 = pNotes1 ? pNotes1->GetMeter() : 0; CompareSongByMeter(Difficulty d): dc(d) { }
int iMeter2 = pNotes2 ? pNotes2->GetMeter() : 0; bool operator() (const Song* pSong1, const Song* pSong2)
{
Notes* pNotes1 = pSong1->GetNotes( GAMESTATE->GetCurrentStyleDef()->m_NotesType, dc );
Notes* pNotes2 = pSong2->GetNotes( GAMESTATE->GetCurrentStyleDef()->m_NotesType, dc );
if( iMeter1 < iMeter2 ) const int iMeter1 = pNotes1 ? pNotes1->GetMeter() : 0;
return true; const int iMeter2 = pNotes2 ? pNotes2->GetMeter() : 0;
if( iMeter1 > iMeter2 )
return false;
return CompareSongPointersByTitle( pSong1, pSong2 );
}
// Hack for VC6: There's no other way I could get this to work. Types of templated functions if( iMeter1 < iMeter2 )
// are totally hosed if a templated function is used on the RHS or as a parameter a function return true;
// (e.g. to sort()). if( iMeter1 > iMeter2 )
int CompareSongByEasyMeter(const Song* pSong1, const Song* pSong2) return false;
{ return CompareSongByMeter<DIFFICULTY_EASY>(pSong1,pSong2); }; return CompareSongPointersByTitle( pSong1, pSong2 );
}
int CompareSongByMediumMeter(const Song* pSong1, const Song* pSong2) };
{ return CompareSongByMeter<DIFFICULTY_MEDIUM>(pSong1,pSong2); };
int CompareSongByHardMeter(const Song* pSong1, const Song* pSong2)
{ return CompareSongByMeter<DIFFICULTY_HARD>(pSong1,pSong2); };
void SortSongPointerArrayByMeter( vector<Song*> &arraySongPointers, Difficulty dc ) void SortSongPointerArrayByMeter( vector<Song*> &arraySongPointers, Difficulty dc )
{ {
switch( dc ) sort( arraySongPointers.begin(), arraySongPointers.end(), CompareSongByMeter(dc) );
{
case DIFFICULTY_EASY: sort( arraySongPointers.begin(), arraySongPointers.end(), CompareSongByEasyMeter ); break;
case DIFFICULTY_MEDIUM: sort( arraySongPointers.begin(), arraySongPointers.end(), CompareSongByMediumMeter ); break;
case DIFFICULTY_HARD: sort( arraySongPointers.begin(), arraySongPointers.end(), CompareSongByHardMeter ); break;
default: ASSERT(0);
}
} }
bool Song::NormallyDisplayed() const bool Song::NormallyDisplayed() const