//------------------------------------------------------------------------------
// Updates the rotor wash volume
//------------------------------------------------------------------------------
void CBaseHelicopter::UpdateRotorWashVolume()
{
if ( !m_pRotorSound )
return;
CSoundEnvelopeController &controller = CSoundEnvelopeController::GetController();
float flVolDelta = GetRotorVolume() - controller.SoundGetVolume( m_pRotorSound );
if ( flVolDelta )
{
// We can change from 0 to 1 in 3 seconds.
// Figure out how many seconds flVolDelta will take.
float flRampTime = fabs( flVolDelta ) * 3.0f;
controller.SoundChangeVolume( m_pRotorSound, GetRotorVolume(), flRampTime );
}
}
//------------------------------------------------------------------------------
// Purpose :
// Input :
// Output :
//------------------------------------------------------------------------------
void CBaseHelicopter::UpdateRotorSoundPitch( int iPitch )
{
if (m_pRotorSound)
{
CSoundEnvelopeController &controller = CSoundEnvelopeController::GetController();
controller.SoundChangePitch( m_pRotorSound, iPitch, 0.1 );
controller.SoundChangeVolume( m_pRotorSound, GetRotorVolume(), 0.1 );
}
}
//------------------------------------------------------------------------------
// Purpose :
// Input :
// Output :
//------------------------------------------------------------------------------
void CBaseHelicopter::InitializeRotorSound( void )
{
CSoundEnvelopeController &controller = CSoundEnvelopeController::GetController();
if ( m_pRotorSound )
{
// Get the rotor sound started up.
controller.Play( m_pRotorSound, 0.0, 100 );
controller.SoundChangeVolume(m_pRotorSound, GetRotorVolume(), 2.0);
}
if ( m_pRotorBlast )
{
// Start the blast sound and then immediately drop it to 0 (starting it at 0 wouldn't start it)
controller.Play( m_pRotorBlast, 1.0, 100 );
controller.SoundChangeVolume(m_pRotorBlast, 0, 0.0);
}
m_iSoundState = SND_CHANGE_PITCH; // hack for going through level transitions
}
