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Don't randomly change backgrounds when all we have is one

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image; we end up looping movies.
This commit is contained in:
Glenn Maynard
2002-09-07 05:53:24 +00:00
parent 35e5845ba7
commit 40f9f8c238
1 changed files with 33 additions and 27 deletions
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stepmania/src/Background.cpp
+33 -27
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@@ -301,44 +301,50 @@ void Background::LoadFromSong( Song* pSong )
// start off showing the static song background
m_aBGSegments.Add( BGSegment(-10000,0) );
// change BG every 4 bars
/* If we have only 2, only generate a single animation segment for for the
* whole song. Otherwise, if it's a movie., it'll loop every four bars; we
* want it to play continuously. */
const float fFirstBeat = m_BackgroundMode==MODE_MOVIE_BG ? 0 : pSong->m_fFirstBeat;
const float fLastBeat = pSong->m_fLastBeat;
for( float f=fFirstBeat; f<fLastBeat; f+=16 )
{
int index;
if( m_BackgroundAnimations.GetSize()==1 )
index = 0;
else if( f == fFirstBeat )
index = 1; // force the first random background to play first
else
index = 1 + rand()%(m_BackgroundAnimations.GetSize()-1);
m_aBGSegments.Add( BGSegment(f,index) );
}
// change BG every BPM change
for( int i=0; i<pSong->m_BPMSegments.GetSize(); i++ )
{
const BPMSegment& bpmseg = pSong->m_BPMSegments[i];
if( m_BackgroundAnimations.GetSize() == 2) {
m_aBGSegments.Add( BGSegment(fFirstBeat,1) );
} else {
// change BG every 4 bars
for( float f=fFirstBeat; f<fLastBeat; f+=16 )
{
int index;
if( m_BackgroundAnimations.GetSize()==1 )
index = 0;
else if( f == fFirstBeat )
index = 1; // force the first random background to play first
else
index = 1 + rand()%(m_BackgroundAnimations.GetSize()-1);
m_aBGSegments.Add( BGSegment(f,index) );
}
if( bpmseg.m_fStartBeat < fFirstBeat || bpmseg.m_fStartBeat > fLastBeat )
continue; // skip]
// change BG every BPM change
for( int i=0; i<pSong->m_BPMSegments.GetSize(); i++ )
{
const BPMSegment& bpmseg = pSong->m_BPMSegments[i];
int index;
if( m_BackgroundAnimations.GetSize()==1 )
index = 0;
else
index = 1 + int(bpmseg.m_fBPM)%(m_BackgroundAnimations.GetSize()-1);
m_aBGSegments.Add( BGSegment(bpmseg.m_fStartBeat,index) );
if( bpmseg.m_fStartBeat < fFirstBeat || bpmseg.m_fStartBeat > fLastBeat )
continue; // skip]
int index;
if( m_BackgroundAnimations.GetSize()==1 )
index = 0;
else
index = 1 + int(bpmseg.m_fBPM)%(m_BackgroundAnimations.GetSize()-1);
m_aBGSegments.Add( BGSegment(bpmseg.m_fStartBeat,index) );
}
}
// end showing the static song background
m_aBGSegments.Add( BGSegment(pSong->m_fLastBeat,0) );
// sort segments
SortBGSegmentArray( m_aBGSegments );
}
for( int i=0; i<m_BackgroundAnimations.GetSize(); i++ )