Files
itgmania212121/stepmania/src/Foreground.cpp
T
2004-01-07 00:13:32 +00:00

65 lines
1.6 KiB
C++

#include "global.h"
#include "Foreground.h"
#include "BGAnimation.h"
#include "RageUtil.h"
#include "IniFile.h"
#include "GameState.h"
Foreground::~Foreground()
{
Unload();
}
void Foreground::Unload()
{
for( unsigned i=0; i < m_BGAnimations.size(); ++i )
delete m_BGAnimations[i].m_bga;
m_BGAnimations.clear();
}
void Foreground::LoadFromSong( const Song *pSong )
{
for( unsigned i=0; i<pSong->m_ForegroundChanges.size(); i++ )
{
const BackgroundChange &change = pSong->m_ForegroundChanges[i];
CString sBGName = change.m_sBGName;
const CString sAniDir = pSong->GetSongDir()+sBGName;
if( !IsADirectory(sAniDir) )
RageException::Throw( "The song foreground BGA \"%s\" is not a directory", sAniDir.c_str() );
LoadedBGA bga;
bga.m_bga = new BGAnimation;
bga.m_bga->LoadFromAniDir( sAniDir );
bga.m_fStartBeat = change.m_fStartBeat;
const float fStartSecond = pSong->m_Timing.GetElapsedTimeFromBeat( bga.m_fStartBeat );
const float fStopSecond = fStartSecond + bga.m_bga->GetLengthSeconds();
bga.m_fStopBeat = pSong->m_Timing.GetBeatFromElapsedTime( fStopSecond );
bga.m_bga->SetHidden( true );
this->AddChild( bga.m_bga );
m_BGAnimations.push_back( bga );
}
this->SortByZ();
}
void Foreground::Update( float fDeltaTime )
{
if( GAMESTATE->m_fMusicSeconds == GameState::MUSIC_SECONDS_INVALID )
return; /* hasn't been updated yet */
for( unsigned i=0; i < m_BGAnimations.size(); ++i )
{
LoadedBGA &bga = m_BGAnimations[i];
const bool Shown = bga.m_fStartBeat <= GAMESTATE->m_fSongBeat && GAMESTATE->m_fSongBeat <= bga.m_fStopBeat;
bga.m_bga->SetHidden( !Shown );
if( Shown )
bga.m_bga->Update( fDeltaTime );
}
}