Files
itgmania212121/src/LyricDisplay.cpp
T
2011-03-17 01:47:30 -04:00

110 lines
3.9 KiB
C++

#include "global.h"
#include "LyricDisplay.h"
#include "ScreenDimensions.h"
#include "GameState.h"
#include "ThemeMetric.h"
#include "Song.h"
#include "ActorUtil.h"
static ThemeMetric<float> IN_LENGTH ("LyricDisplay","InLength");
static ThemeMetric<float> OUT_LENGTH ("LyricDisplay","OutLength");
LyricDisplay::LyricDisplay()
{
m_textLyrics[0].SetName( "LyricBack" );
ActorUtil::LoadAllCommands( m_textLyrics[0], "LyricDisplay" );
m_textLyrics[0].LoadFromFont( THEME->GetPathF("LyricDisplay","text") );
this->AddChild( &m_textLyrics[0] );
m_textLyrics[1].SetName( "LyricFront" );
ActorUtil::LoadAllCommands( m_textLyrics[1], "LyricDisplay" );
m_textLyrics[1].LoadFromFont( THEME->GetPathF("LyricDisplay","text") );
this->AddChild( &m_textLyrics[1] );
Init();
}
void LyricDisplay::Init()
{
for( int i=0; i<2; i++ )
m_textLyrics[i].SetText("");
m_iCurLyricNumber = 0;
m_fLastSecond = -500;
}
void LyricDisplay::Update( float fDeltaTime )
{
ActorFrame::Update( fDeltaTime );
if( GAMESTATE->m_pCurSong == NULL )
return;
// If the song has changed (in a course), reset.
if( GAMESTATE->m_fMusicSeconds < m_fLastSecond )
Init();
m_fLastSecond = GAMESTATE->m_fMusicSeconds;
if( m_iCurLyricNumber >= GAMESTATE->m_pCurSong->m_LyricSegments.size() )
return;
const Song *pSong = GAMESTATE->m_pCurSong;
const float fStartTime = (pSong->m_LyricSegments[m_iCurLyricNumber].m_fStartTime) - IN_LENGTH.GetValue();
if( GAMESTATE->m_fMusicSeconds < fStartTime )
return;
// Clamp this lyric to the beginning of the next or the end of the music.
float fEndTime;
if( m_iCurLyricNumber+1 < GAMESTATE->m_pCurSong->m_LyricSegments.size() )
fEndTime = pSong->m_LyricSegments[m_iCurLyricNumber+1].m_fStartTime;
else
fEndTime = pSong->GetElapsedTimeFromBeat( pSong->m_fLastBeat );
const float fDistance = fEndTime - pSong->m_LyricSegments[m_iCurLyricNumber].m_fStartTime;
const float fTweenBufferTime = IN_LENGTH.GetValue() + OUT_LENGTH.GetValue();
/* If it's negative, two lyrics are so close together that there's no time
* to tween properly. Lyrics should never be this brief, anyway, so just
* skip it. */
float fShowLength = max( fDistance - fTweenBufferTime, 0.0f );
// Make lyrics show faster for faster song rates.
fShowLength /= GAMESTATE->m_SongOptions.GetCurrent().m_fMusicRate;
const LyricSegment &seg = GAMESTATE->m_pCurSong->m_LyricSegments[m_iCurLyricNumber];
LuaThreadVariable var1( "LyricText", seg.m_sLyric );
LuaThreadVariable var2( "LyricDuration", LuaReference::Create(fShowLength) );
LuaThreadVariable var3( "LyricColor", LuaReference::Create(seg.m_Color) );
PlayCommand( "Changed" );
m_iCurLyricNumber++;
}
/*
* (c) 2003-2004 Kevin Slaughter, Glenn Maynard
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, and/or sell copies of the Software, and to permit persons to
* whom the Software is furnished to do so, provided that the above
* copyright notice(s) and this permission notice appear in all copies of
* the Software and that both the above copyright notice(s) and this
* permission notice appear in supporting documentation.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/