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Sped up ScrollingBannerList a bit

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This commit is contained in:
Andrew Livy
2003-01-15 21:25:47 +00:00
parent 17fca7cbd3
commit 7f01598bcc
6 changed files with 197 additions and 10 deletions
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stepmania/src/MusicBannerWheel.cpp
+106 -7
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@@ -23,6 +23,12 @@
#define MAXSONGSINBUFFER 5
#define BANNERTYPE 1
enum
{
GOINGLEFT=0,
GOINGRIGHT
};
#define DEFAULT_SCROLL_DIRECTION THEME->GetMetricI("Notes","DefaultScrollDirection")
MusicBannerWheel::MusicBannerWheel()
@@ -96,12 +102,99 @@ MusicBannerWheel::MusicBannerWheel()
LoadSongData();
#ifdef _DEBUG
m_debugtext.LoadFromFont( THEME->GetPathTo("Fonts","small titles") );
m_debugtext.SetXY( 0, -120 );
this->AddChild(&m_debugtext);
#endif
}
/************ TODO: OPTIMIZE THIS: MUST!!!! ********************/
/********************************************
void MusicBannerWheel::InsertNewBanner(int direction)
Based upon the direction specified it will go off and
figure out which banner went out of focus, (which is
now our NEW! banner) and replace it with something new...
works only if there are 5 banners in the scrolling list.
********************************************/
void MusicBannerWheel::InsertNewBanner(int direction)
{
Song* pSong = NULL;
CString sGraphicPath;
int elementtoreplace=0;
if( direction == GOINGLEFT)
{
/* Imagine this:
[1][2][3][4][5]
then they shift <-
[?][1][2][3][4]
gotta find out what ? is
scrlistpos = 0 0 1 2 [3] [4] [0] [1] [2] 3 4 0 1 2 3 4
scrlistpos = 4 4 0 1 [2] [3] [4] [0] [1] 2 3 4 0 1 2 3 // we lost 2 and got a new one
scrlistpos = 3 3 4 0 [1] [2] [3] [4] [0] 1 2 3 4 0 1 2 // we lost 1 and got a new one
*/
if(currentPos-2 >= 0)
pSong = arraySongs[currentPos-2];
else
pSong = arraySongs[(arraySongs.size()-1) + (currentPos-2)]; // wrap around. (it does honestly!)
if( pSong == NULL ) sGraphicPath = (THEME->GetPathTo("Graphics","fallback banner"));
else if (pSong->HasBanner()) sGraphicPath = (pSong->GetBannerPath());
else if (PREFSMAN->m_bUseBGIfNoBanner && pSong->HasBackground() ) sGraphicPath = (pSong->GetBannerPath());
else sGraphicPath = (THEME->GetPathTo("Graphics","fallback banner"));
elementtoreplace = scrlistPos - 2;
if(elementtoreplace < 0)
{
elementtoreplace = MAXSONGSINBUFFER + elementtoreplace;
}
m_ScrollingList.Replace(sGraphicPath, elementtoreplace);
}
else if( direction == GOINGRIGHT)
{
/* Imagine this:
[1][2][3][4][5]
then they shift ->
[2][3][4][5][?]
gotta find out what ? is
scrlistpos = 0 1 2 [3] [4] [0] [1] [2] 3 4
scrlistpos = 1 2 3 [4] [0] [1] [2] [3] 4 0 // we lost 3 and got a new one
*/
if(currentPos+2 <= arraySongs.size()-1)
pSong = arraySongs[currentPos+2];
else
pSong = arraySongs[0+ (((currentPos+2) - (arraySongs.size()-1)) - 1)]; // wrap around. (it does honestly!)
if( pSong == NULL ) sGraphicPath = (THEME->GetPathTo("Graphics","fallback banner"));
else if (pSong->HasBanner()) sGraphicPath = (pSong->GetBannerPath());
else if (PREFSMAN->m_bUseBGIfNoBanner && pSong->HasBackground() ) sGraphicPath = (pSong->GetBannerPath());
else sGraphicPath = (THEME->GetPathTo("Graphics","fallback banner"));
elementtoreplace = scrlistPos + 2;
if(elementtoreplace > MAXSONGSINBUFFER-1)
{
elementtoreplace = elementtoreplace - MAXSONGSINBUFFER;
}
m_ScrollingList.Replace(sGraphicPath, elementtoreplace);
}
else
{
ASSERT(0); // we should be going in some sort of direction.
}
PlayMusicSample();
}
/****************************
void MusicBannerWheel::LoadSongData()
Loads the Song Data, based upon
its relative position. It's fairly
slow, so should only get used once
and once only.
*****************************/
void MusicBannerWheel::LoadSongData()
{
Song* pSong = NULL;
@@ -219,9 +312,12 @@ void MusicBannerWheel::BannersLeft()
scrlistPos--;
if(SingleLoad == 0)
m_ScrollingList.Unload();
LoadSongData();
m_debugtext.SetText(ssprintf("currentPos: %d scrlistPos: %d",currentPos,scrlistPos));
// m_ScrollingList.Unload();
// LoadSongData();
InsertNewBanner(GOINGLEFT);
#ifdef _DEBUG
m_debugtext.SetText(ssprintf("currentPos: %d scrlistPos: %d",currentPos,scrlistPos));
#endif
m_ScrollingList.Left();
ChangeNotes();
}
@@ -239,9 +335,12 @@ void MusicBannerWheel::BannersRight()
scrlistPos++;
if(SingleLoad == 0)
m_ScrollingList.Unload();
LoadSongData();
m_debugtext.SetText(ssprintf("currentPos: %d scrlistPos: %d",currentPos,scrlistPos));
// m_ScrollingList.Unload();
// LoadSongData();
InsertNewBanner(GOINGRIGHT);
#ifdef _DEBUG
m_debugtext.SetText(ssprintf("currentPos: %d scrlistPos: %d",currentPos,scrlistPos));
#endif
m_ScrollingList.Right();
ChangeNotes();
}