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optimize adding background changes

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I have a song with 5841 background changes and it took 3 seconds to load that song.
This commit is contained in:
Thai Pangsakulyanont
2012-05-21 14:27:17 +07:00
parent 1c85c74785
commit 2b6670c2df
3 changed files with 10 additions and 4 deletions
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src/BackgroundUtil.cpp
+7
View File
@@ -129,6 +129,13 @@ void BackgroundUtil::SortBackgroundChangesArray( vector<BackgroundChange> &vBack
sort( vBackgroundChanges.begin(), vBackgroundChanges.end(), CompareBackgroundChanges );
}
void BackgroundUtil::AddBackgroundChange( vector<BackgroundChange> &vBackgroundChanges, BackgroundChange seg )
{
vector<BackgroundChange>::iterator it;
it = upper_bound( vBackgroundChanges.begin(), vBackgroundChanges.end(), seg, CompareBackgroundChanges );
vBackgroundChanges.insert( it, seg );
}
void BackgroundUtil::GetBackgroundEffects( const RString &_sName, vector<RString> &vsPathsOut, vector<RString> &vsNamesOut )
{
RString sName = _sName;
src/BackgroundUtil.h
+1
View File
@@ -73,6 +73,7 @@ struct BackgroundChange
/** @brief Shared background-related routines. */
namespace BackgroundUtil
{
void AddBackgroundChange( vector<BackgroundChange> &vBackgroundChanges, BackgroundChange seg );
void SortBackgroundChangesArray( vector<BackgroundChange> &vBackgroundChanges );
void GetBackgroundEffects( const RString &sName, vector<RString> &vsPathsOut, vector<RString> &vsNamesOut );
src/Song.cpp
+2 -4
View File
@@ -175,14 +175,12 @@ void Song::AddBackgroundChange( BackgroundLayer iLayer, BackgroundChange seg )
}
ASSERT( iLayer >= 0 && iLayer < NUM_BackgroundLayer );
GetBackgroundChanges(iLayer).push_back( seg );
BackgroundUtil::SortBackgroundChangesArray( GetBackgroundChanges(iLayer) );
BackgroundUtil::AddBackgroundChange( GetBackgroundChanges(iLayer), seg );
}
void Song::AddForegroundChange( BackgroundChange seg )
{
GetForegroundChanges().push_back( seg );
BackgroundUtil::SortBackgroundChangesArray( GetForegroundChanges() );
BackgroundUtil::AddBackgroundChange( GetForegroundChanges(), seg );
}
void Song::AddLyricSegment( LyricSegment seg )