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cache GetCourseDifficultiesToShow results

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This commit is contained in:
Glenn Maynard
2004-05-21 05:21:03 +00:00
parent cdb53a5ba6
commit e2cf64fe55
1 changed files with 18 additions and 6 deletions
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stepmania/src/GameState.cpp
+18 -6
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@@ -1648,26 +1648,37 @@ bool GameState::ChangeDifficulty( PlayerNumber pn, int dir )
return ChangeDifficulty( pn, diff );
}
static set<CourseDifficulty> GetCourseDifficultiesToShow()
static void GetCourseDifficultiesToShow( set<CourseDifficulty> &ret )
{
static float fExpiration = -999;
static set<CourseDifficulty> cache;
if( RageTimer::GetTimeSinceStart() < fExpiration )
{
ret = cache;
return;
}
CStringArray asDiff;
split( COURSE_DIFFICULTIES_TO_SHOW, ",", asDiff );
ASSERT( asDiff.size() > 0 );
set<CourseDifficulty> ret;
cache.clear();
for( unsigned i = 0; i < asDiff.size(); ++i )
{
CourseDifficulty cd = StringToCourseDifficulty(asDiff[i]);
if( cd == NUM_COURSE_DIFFICULTIES )
RageException::Throw( "Unknown difficulty \"%s\" in CourseDifficultiesToShow", asDiff[i].c_str() );
ret.insert( cd );
cache.insert( cd );
}
return ret;
fExpiration = RageTimer::GetTimeSinceStart()+1;
ret = cache;
}
bool GameState::ChangeCourseDifficulty( PlayerNumber pn, int dir )
{
const set<CourseDifficulty> asDiff = GetCourseDifficultiesToShow();
set<CourseDifficulty> asDiff;
GetCourseDifficultiesToShow( asDiff );
CourseDifficulty cd = m_PreferredCourseDifficulty[pn];
do {
@@ -1687,7 +1698,8 @@ bool GameState::ChangeCourseDifficulty( PlayerNumber pn, int dir )
bool GameState::IsCourseDifficultyShown( CourseDifficulty cd )
{
const set<CourseDifficulty> asDiff = GetCourseDifficultiesToShow();
set<CourseDifficulty> asDiff;
GetCourseDifficultiesToShow( asDiff );
return asDiff.find(cd) != asDiff.end();
}