Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//====== Copyright © 1996-2007, Valve Corporation, All rights reserved. =======
//
// Purpose: VGUI panel which can play back video, in-engine
//
//=============================================================================
#include "cbase.h"
#include "vgui_hudvideo.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
using namespace vgui;
#define BIK_MEDIA_FOLDER "media/"
#define BIK_EXTENTION ".bik"
HUDVideoPanel::HUDVideoPanel( vgui::Panel *parent, const char *name ) :
BaseClass( 0, 0, 32, 32 )
{
SetParent( parent );
SetName( name );
m_bStopAllSounds = false;
m_bAllowInterruption = false;
m_szLoopVideo[ 0 ] = '\0';
m_szLastTempVideo[ 0 ] = '\0';
m_nNumLoopAlternatives = 0;
m_fAlternateChance = 1.0f;
m_bIsLoopVideo = true;
m_bIsTransition = false;
}
void HUDVideoPanel::Paint( void )
{
BaseClass::Paint();
if ( !m_bStarted )
{
BeginPlayback( VarArgs( BIK_MEDIA_FOLDER "%s" BIK_EXTENTION, m_szLoopVideo ) );
}
}
void HUDVideoPanel::Activate( void )
{
SetVisible( true );
SetEnabled( true );
}
void HUDVideoPanel::DoModal( void )
{
Activate();
}
void HUDVideoPanel::OnVideoOver()
{
if ( m_bIsTransition )
{
m_bIsTransition = false;
BeginPlayback( VarArgs( BIK_MEDIA_FOLDER "%s" BIK_EXTENTION, m_szLastTempVideo ) );
}
else if ( !m_bIsLoopVideo )
{
m_bIsLoopVideo = true;
BeginPlayback( VarArgs( BIK_MEDIA_FOLDER "%s" BIK_EXTENTION, m_szLoopVideo ) );
}
else if ( m_nNumLoopAlternatives > 0 && RandomFloat() < m_fAlternateChance )
{
char szAltName[ FILENAME_MAX ];
Q_snprintf( szAltName, sizeof( szAltName ), "%s_alt%02i", m_szLoopVideo, RandomInt( 0, m_nNumLoopAlternatives - 1 ) );
PlayTempVideo( szAltName );
}
else
{
bik->SetFrame( m_BIKHandle, 0.0f );
}
}
void HUDVideoPanel::ReturnToLoopVideo( void )
{
if ( !m_bIsLoopVideo )
{
m_bIsLoopVideo = true;
BeginPlayback( VarArgs( BIK_MEDIA_FOLDER "%s" BIK_EXTENTION, m_szLoopVideo ) );
}
}
void HUDVideoPanel::PlayTempVideo( const char *pFilename, const char *pTransitionFilename /*= NULL*/ )
{
if ( !pFilename || Q_strcmp( GetCurrentVideo(), pFilename ) == 0 )
{
return;
}
Q_strncpy( m_szLastTempVideo, pFilename, sizeof( m_szLastTempVideo ) );
m_bIsLoopVideo = false;
m_bIsTransition = ( pTransitionFilename != NULL && pTransitionFilename[ 0 ] != '\0' );
BeginPlayback( VarArgs( BIK_MEDIA_FOLDER "%s" BIK_EXTENTION, ( m_bIsTransition ? pTransitionFilename : m_szLastTempVideo ) ) );
}
void HUDVideoPanel::SetLoopVideo( const char *pFilename, int nNumLoopAlternatives /*= 0*/, float fAlternateChance /*= 1.0f*/ )
{
m_nNumLoopAlternatives = nNumLoopAlternatives;
m_fAlternateChance = fAlternateChance;
if ( !pFilename || Q_strcmp( m_szLoopVideo, pFilename ) == 0 )
{
return;
}
Q_strncpy( m_szLoopVideo, pFilename, sizeof( m_szLoopVideo ) );
if ( m_bIsLoopVideo && m_bStarted )
{
BeginPlayback( VarArgs( BIK_MEDIA_FOLDER "%s" BIK_EXTENTION, m_szLoopVideo ) );
}
}
const char* HUDVideoPanel::GetCurrentVideo( void ) const
{
return ( m_bIsLoopVideo ? GetLoopVideo() : GetLastTempVideo() );
}