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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $Workfile: $
// $Date: $
//
//-----------------------------------------------------------------------------
// $Log: $
//
// $NoKeywords: $
//=============================================================================//
#if !defined( MOUTHINFO_H )
#define MOUTHINFO_H
#ifdef _WIN32
#pragma once
#endif
class CAudioSource;
#pragma pack(push,4)
class CVoiceData
{
public:
CVoiceData( void )
{
m_flElapsed = 0.0f;
m_pAudioSource = NULL;
m_bIgnorePhonemes = false;
}
void SetElapsedTime( float t )
{
m_flElapsed = t;
}
float GetElapsedTime() const
{
return m_flElapsed;
}
void SetSource( CAudioSource *source, bool bIgnorePhonemes )
{
m_pAudioSource = source;
m_bIgnorePhonemes = bIgnorePhonemes;
}
bool ShouldIgnorePhonemes() const
{
return m_bIgnorePhonemes;
}
CAudioSource *GetSource()
{
return m_pAudioSource;
}
private:
float m_flElapsed;
CAudioSource *m_pAudioSource;
bool m_bIgnorePhonemes;
};
#define UNKNOWN_VOICE_SOURCE -1
//-----------------------------------------------------------------------------
// Purpose: Describes position of mouth for lip syncing
//-----------------------------------------------------------------------------
class CMouthInfo
{
public:
// 0 = mouth closed, 255 = mouth agape
byte mouthopen;
// counter for running average
byte sndcount;
// running average
int sndavg;
public:
CMouthInfo( void ) { m_nVoiceSources = 0; m_needsEnvelope = false; }
virtual ~CMouthInfo( void ) { ClearVoiceSources(); }
int GetNumVoiceSources( void );
CVoiceData *GetVoiceSource( int number );
void ClearVoiceSources( void );
int GetIndexForSource( CAudioSource *source );
bool IsSourceReferenced( CAudioSource *source );
CVoiceData *AddSource( CAudioSource *source, bool bIgnorePhonemes );
void RemoveSource( CAudioSource *source );
void RemoveSourceByIndex( int index );
bool IsActive( void );
bool NeedsEnvelope() { return m_needsEnvelope != 0; }
void ActivateEnvelope() { m_needsEnvelope = true; }
private:
enum
{
MAX_VOICE_DATA = 4
};
short m_nVoiceSources;
short m_needsEnvelope;
CVoiceData m_VoiceSources[ MAX_VOICE_DATA ];
};
#pragma pack(pop)
inline bool CMouthInfo::IsActive( void )
{
return ( GetNumVoiceSources() > 0 ) ? true : false;
}
inline int CMouthInfo::GetNumVoiceSources( void )
{
return m_nVoiceSources;
}
inline CVoiceData *CMouthInfo::GetVoiceSource( int number )
{
if ( number < 0 || number >= m_nVoiceSources )
return NULL;
return &m_VoiceSources[ number ];
}
inline void CMouthInfo::ClearVoiceSources( void )
{
m_nVoiceSources = 0;
}
inline int CMouthInfo::GetIndexForSource( CAudioSource *source )
{
for ( int i = 0; i < m_nVoiceSources; i++ )
{
CVoiceData *v = &m_VoiceSources[ i ];
if ( !v )
continue;
if ( v->GetSource() == source )
return i;
}
return UNKNOWN_VOICE_SOURCE;
}
inline bool CMouthInfo::IsSourceReferenced( CAudioSource *source )
{
if ( GetIndexForSource( source ) != UNKNOWN_VOICE_SOURCE )
return true;
return false;
}
inline void CMouthInfo::RemoveSource( CAudioSource *source )
{
int idx = GetIndexForSource( source );
if ( idx == UNKNOWN_VOICE_SOURCE )
return;
RemoveSourceByIndex( idx );
}
inline void CMouthInfo::RemoveSourceByIndex( int index )
{
if ( index < 0 || index >= m_nVoiceSources )
return;
m_VoiceSources[ index ] = m_VoiceSources[ --m_nVoiceSources ];
}
inline CVoiceData *CMouthInfo::AddSource( CAudioSource *source, bool bIgnorePhonemes )
{
int idx = GetIndexForSource( source );
if ( idx == UNKNOWN_VOICE_SOURCE )
{
if ( m_nVoiceSources < MAX_VOICE_DATA )
{
idx = m_nVoiceSources++;
}
else
{
// No room!
return NULL;
}
}
CVoiceData *data = &m_VoiceSources[ idx ];
data->SetSource( source, bIgnorePhonemes );
data->SetElapsedTime( 0.0f );
return data;
}
#endif // MOUTHINFO_H
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