Re-enabling the voice-dot until I have more time to invest in the new CHUI version.

1 files changed, 643 insertions, 642 deletions

diff --git a/indra/newview/llvoicevisualizer.cpp b/indra/newview/llvoicevisualizer.cpp
index dcf33bce10..d380a8672f 100644
--- a/indra/newview/llvoicevisualizer.cpp
+++ b/indra/newview/llvoicevisualizer.cpp
@@ -1,642 +1,643 @@
-/** 

- * @file llvoicevisualizer.cpp

- * @brief Draws in-world speaking indicators.

- *

- * $LicenseInfo:firstyear=2000&license=viewerlgpl$

- * Second Life Viewer Source Code

- * Copyright (C) 2010, Linden Research, Inc.

- * 

- * This library is free software; you can redistribute it and/or

- * modify it under the terms of the GNU Lesser General Public

- * License as published by the Free Software Foundation;

- * version 2.1 of the License only.

- * 

- * This library is distributed in the hope that it will be useful,

- * but WITHOUT ANY WARRANTY; without even the implied warranty of

- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

- * Lesser General Public License for more details.

- * 

- * You should have received a copy of the GNU Lesser General Public

- * License along with this library; if not, write to the Free Software

- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

- * 

- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA

- * $/LicenseInfo$

- */

-

-//----------------------------------------------------------------------

-// Voice Visualizer

-// author: JJ Ventrella

-// (information about this stuff can be found in "llvoicevisualizer.h")

-//----------------------------------------------------------------------

-#include "llviewerprecompiledheaders.h"

-#include "llviewercontrol.h"

-#include "llglheaders.h"

-#include "llsphere.h"

-#include "llvoicevisualizer.h"

-#include "llviewercamera.h"

-#include "llviewerobject.h"

-#include "llviewertexture.h"

-#include "llviewertexturelist.h"

-#include "llvoiceclient.h"

-#include "llrender.h"

-

-//brent's wave image

-//29de489d-0491-fb00-7dab-f9e686d31e83

-

-

-#ifdef XXX_STINSON_CHUI_REWORK

-//--------------------------------------------------------------------------------------

-// sound symbol constants

-//--------------------------------------------------------------------------------------

-const F32	HEIGHT_ABOVE_HEAD	= 0.3f;		// how many meters vertically above the av's head the voice symbol will appear

-const F32	RED_THRESHOLD		= LLVoiceClient::OVERDRIVEN_POWER_LEVEL;		// value above which speaking amplitude causes the voice symbol to turn red

-const F32	GREEN_THRESHOLD		= 0.2f;		// value above which speaking amplitude causes the voice symbol to turn green

-const F32	FADE_OUT_DURATION	= 0.4f;		// how many seconds it takes for a pair of waves to fade away

-const F32	EXPANSION_RATE		= 1.0f;		// how many seconds it takes for the waves to expand to twice their original size

-const F32	EXPANSION_MAX		= 1.5f;		// maximum size scale to which the waves can expand before popping back to 1.0 

-const F32	WAVE_WIDTH_SCALE	= 0.03f;	// base width of the waves 

-const F32	WAVE_HEIGHT_SCALE	= 0.02f;	// base height of the waves 

-const F32	BASE_BRIGHTNESS		= 0.7f;		// gray level of the voice indicator when quiet (below green threshold)

-const F32	DOT_SIZE			= 0.05f;	// size of the dot billboard texture

-const F32	DOT_OPACITY			= 0.7f;		// how opaque the dot is

-const F32	WAVE_MOTION_RATE	= 1.5f;		// scalar applied to consecutive waves as a function of speaking amplitude

-#endif // XXX_STINSON_CHUI_REWORK

-

-//--------------------------------------------------------------------------------------

-// gesticulation constants

-//--------------------------------------------------------------------------------------

-const F32 DEFAULT_MINIMUM_GESTICULATION_AMPLITUDE	= 0.2f; 

-const F32 DEFAULT_MAXIMUM_GESTICULATION_AMPLITUDE	= 1.0f;

-

-#ifdef XXX_STINSON_CHUI_REWORK

-//--------------------------------------------------------------------------------------

-// other constants

-//--------------------------------------------------------------------------------------

-const F32 ONE_HALF = 1.0f; // to clarify intent and reduce magic numbers in the code. 

-const LLVector3 WORLD_UPWARD_DIRECTION = LLVector3( 0.0f, 0.0f, 1.0f ); // Z is up in SL

-#endif // XXX_STINSON_CHUI_REWORK

-

-//------------------------------------------------------------------

-// Initialize the statics

-//------------------------------------------------------------------

-bool LLVoiceVisualizer::sPrefsInitialized	= false;

-BOOL LLVoiceVisualizer::sLipSyncEnabled		= FALSE;

-F32* LLVoiceVisualizer::sOoh				= NULL;

-F32* LLVoiceVisualizer::sAah				= NULL;

-U32	 LLVoiceVisualizer::sOohs				= 0;

-U32	 LLVoiceVisualizer::sAahs				= 0;

-F32	 LLVoiceVisualizer::sOohAahRate			= 0.0f;

-F32* LLVoiceVisualizer::sOohPowerTransfer	= NULL;

-U32	 LLVoiceVisualizer::sOohPowerTransfers	= 0;

-F32	 LLVoiceVisualizer::sOohPowerTransfersf = 0.0f;

-F32* LLVoiceVisualizer::sAahPowerTransfer	= NULL;

-U32	 LLVoiceVisualizer::sAahPowerTransfers	= 0;

-F32	 LLVoiceVisualizer::sAahPowerTransfersf = 0.0f;

-

-

-//-----------------------------------------------

-// constructor

-//-----------------------------------------------

-#ifdef XXX_STINSON_CHUI_REWORK

-LLVoiceVisualizer::LLVoiceVisualizer( const U8 type )

-#else // XXX_STINSON_CHUI_REWORK

-LLVoiceVisualizer::LLVoiceVisualizer()

-	: LLRefCount(),

-	mTimer(),

-	mStartTime(0.0),

-	mCurrentlySpeaking(false),

-	mSpeakingAmplitude(0.0f),

-	mMaxGesticulationAmplitude(DEFAULT_MAXIMUM_GESTICULATION_AMPLITUDE),

-	mMinGesticulationAmplitude(DEFAULT_MINIMUM_GESTICULATION_AMPLITUDE)

-#endif // XXX_STINSON_CHUI_REWORK

-{

-#ifdef XXX_STINSON_CHUI_REWORK

-	mCurrentTime					= mTimer.getTotalSeconds();

-	mPreviousTime					= mCurrentTime;

-	mStartTime						= mCurrentTime;

-#else // XXX_STINSON_CHUI_REWORK

-	mStartTime						= mTimer.getTotalSeconds();

-#endif // XXX_STINSON_CHUI_REWORK

-#ifdef XXX_STINSON_CHUI_REWORK

-	mVoiceSourceWorldPosition		= LLVector3( 0.0f, 0.0f, 0.0f );

-	mSpeakingAmplitude				= 0.0f;

-	mCurrentlySpeaking				= false;

-	mVoiceEnabled					= false;

-	mMinGesticulationAmplitude		= DEFAULT_MINIMUM_GESTICULATION_AMPLITUDE;

-	mMaxGesticulationAmplitude		= DEFAULT_MAXIMUM_GESTICULATION_AMPLITUDE;

-	mSoundSymbol.mActive			= true;

-	mSoundSymbol.mPosition			= LLVector3( 0.0f, 0.0f, 0.0f );

-#endif // XXX_STINSON_CHUI_REWORK

-	

-	mTimer.reset();

-	

-#ifdef XXX_STINSON_CHUI_REWORK

-	const char* sound_level_img[] = 

-	{

-		"voice_meter_dot.j2c",

-		"voice_meter_rings.j2c",

-		"voice_meter_rings.j2c",

-		"voice_meter_rings.j2c",

-		"voice_meter_rings.j2c",

-		"voice_meter_rings.j2c",

-		"voice_meter_rings.j2c"

-	};

-

-	for (int i=0; i<NUM_VOICE_SYMBOL_WAVES; i++)

-	{

-		mSoundSymbol.mWaveFadeOutStartTime	[i] = mCurrentTime;

-		mSoundSymbol.mTexture				[i] = LLViewerTextureManager::getFetchedTextureFromFile(sound_level_img[i], FALSE, LLViewerTexture::BOOST_UI);

-		mSoundSymbol.mWaveActive			[i] = false;

-		mSoundSymbol.mWaveOpacity			[i] = 1.0f;

-		mSoundSymbol.mWaveExpansion			[i] = 1.0f;

-	}

-

-	mSoundSymbol.mTexture[0]->setFilteringOption(LLTexUnit::TFO_ANISOTROPIC);

-#endif // XXX_STINSON_CHUI_REWORK

-

-	// The first instance loads the initial state from prefs.

-	if (!sPrefsInitialized)

-	{

-		setPreferences();

-       

-		// Set up our listener to get updates on all prefs values we care about.

-		gSavedSettings.getControl("LipSyncEnabled")->getSignal()->connect(boost::bind(&LLVoiceVisualizer::handleVoiceVisualizerPrefsChanged, _2));

-		gSavedSettings.getControl("LipSyncOohAahRate")->getSignal()->connect(boost::bind(&LLVoiceVisualizer::handleVoiceVisualizerPrefsChanged, _2));

-		gSavedSettings.getControl("LipSyncOoh")->getSignal()->connect(boost::bind(&LLVoiceVisualizer::handleVoiceVisualizerPrefsChanged, _2));

-		gSavedSettings.getControl("LipSyncAah")->getSignal()->connect(boost::bind(&LLVoiceVisualizer::handleVoiceVisualizerPrefsChanged, _2));

-		gSavedSettings.getControl("LipSyncOohPowerTransfer")->getSignal()->connect(boost::bind(&LLVoiceVisualizer::handleVoiceVisualizerPrefsChanged, _2));

-		gSavedSettings.getControl("LipSyncAahPowerTransfer")->getSignal()->connect(boost::bind(&LLVoiceVisualizer::handleVoiceVisualizerPrefsChanged, _2));

-		

-		sPrefsInitialized = true;

-	}

-

-}//---------------------------------------------------

-

-#ifdef XXX_STINSON_CHUI_REWORK

-//---------------------------------------------------

-void LLVoiceVisualizer::setMinGesticulationAmplitude( F32 m )

-{

-	mMinGesticulationAmplitude = m;

-

-}//---------------------------------------------------

-

-//---------------------------------------------------

-void LLVoiceVisualizer::setMaxGesticulationAmplitude( F32 m )

-{

-	mMaxGesticulationAmplitude = m;

-

-}//---------------------------------------------------

-

-//---------------------------------------------------

-void LLVoiceVisualizer::setVoiceEnabled( bool v )

-{

-	mVoiceEnabled = v;

-

-}//---------------------------------------------------

-#endif // XXX_STINSON_CHUI_REWORK

-

-//---------------------------------------------------

-void LLVoiceVisualizer::setStartSpeaking()

-{

-	mStartTime				= mTimer.getTotalSeconds();

-	mCurrentlySpeaking		= true;

-#ifdef XXX_STINSON_CHUI_REWORK

-	mSoundSymbol.mActive	= true;

-#endif // XXX_STINSON_CHUI_REWORK

-		

-}//---------------------------------------------------

-

-

-//---------------------------------------------------

-bool LLVoiceVisualizer::getCurrentlySpeaking()

-{

-	return mCurrentlySpeaking;

-	

-}//---------------------------------------------------

-

-

-//---------------------------------------------------

-void LLVoiceVisualizer::setStopSpeaking()

-{

-	mCurrentlySpeaking = false;

-	mSpeakingAmplitude = 0.0f;

-	

-}//---------------------------------------------------

-

-

-//---------------------------------------------------

-void LLVoiceVisualizer::setSpeakingAmplitude( F32 a )

-{

-	mSpeakingAmplitude = a;

-	

-}//---------------------------------------------------

-

-//------------------------------------------------------------------

-// handles parameter updates

-//------------------------------------------------------------------

-bool LLVoiceVisualizer::handleVoiceVisualizerPrefsChanged(const LLSD& newvalue)

-{

-	// Note: Ignore the specific event value, we look up the ones we want

-	LLVoiceVisualizer::setPreferences();

-	return true;

-}

-

-//---------------------------------------------------

-void LLVoiceVisualizer::setPreferences( )

-{

-	sLipSyncEnabled = gSavedSettings.getBOOL("LipSyncEnabled");

-	sOohAahRate		= gSavedSettings.getF32("LipSyncOohAahRate");

-

-	std::string oohString = gSavedSettings.getString("LipSyncOoh");

-	lipStringToF32s (oohString, sOoh, sOohs);

-

-	std::string aahString = gSavedSettings.getString("LipSyncAah");

-	lipStringToF32s (aahString, sAah, sAahs);

-

-	std::string oohPowerString = gSavedSettings.getString("LipSyncOohPowerTransfer");

-	lipStringToF32s (oohPowerString, sOohPowerTransfer, sOohPowerTransfers);

-	sOohPowerTransfersf = (F32) sOohPowerTransfers;

-

-	std::string aahPowerString = gSavedSettings.getString("LipSyncAahPowerTransfer");

-	lipStringToF32s (aahPowerString, sAahPowerTransfer, sAahPowerTransfers);

-	sAahPowerTransfersf = (F32) sAahPowerTransfers;

-

-}//---------------------------------------------------

-

-

-//---------------------------------------------------

-// convert a string of digits to an array of floats.

-// the result for each digit is the value of the

-// digit multiplied by 0.11

-//---------------------------------------------------

-void LLVoiceVisualizer::lipStringToF32s ( std::string& in_string, F32*& out_F32s, U32& count_F32s )

-{

-	delete[] out_F32s;	// get rid of the current array

-

-	count_F32s = in_string.length();

-	if (count_F32s == 0)

-	{

-		// we don't like zero length arrays

-

-		count_F32s  = 1;

-		out_F32s	   = new F32[1];

-		out_F32s[0] = 0.0f;

-	}

-	else

-	{

-		out_F32s = new F32[count_F32s];

-

-		for (U32 i=0; i<count_F32s; i++)

-		{

-			// we convert the characters 0 to 9 to their numeric value

-			// anything else we take the low order four bits with a ceiling of 9

-

-		    U8 digit = in_string[i];

-			U8 four_bits = digit % 16;

-			if (four_bits > 9)

-			{

-				four_bits = 9;

-			}

-			out_F32s[i] = 0.11f * (F32) four_bits;

-		} 

-	}

-

-}//---------------------------------------------------

-

-

-//--------------------------------------------------------------------------

-// find the amount to blend the ooh and aah mouth morphs

-//--------------------------------------------------------------------------

-void LLVoiceVisualizer::lipSyncOohAah( F32& ooh, F32& aah )

-{

-	if( ( sLipSyncEnabled == TRUE ) && mCurrentlySpeaking )

-	{

-		U32 transfer_index = (U32) (sOohPowerTransfersf * mSpeakingAmplitude);

-		if (transfer_index >= sOohPowerTransfers)

-		{

-		   transfer_index = sOohPowerTransfers - 1;

-		}

-		F32 transfer_ooh = sOohPowerTransfer[transfer_index];

-

-		transfer_index = (U32) (sAahPowerTransfersf * mSpeakingAmplitude);

-		if (transfer_index >= sAahPowerTransfers)

-		{

-		   transfer_index = sAahPowerTransfers - 1;

-		}

-		F32 transfer_aah = sAahPowerTransfer[transfer_index];

-

-		F64 current_time   = mTimer.getTotalSeconds();

-		F64 elapsed_time   = current_time - mStartTime;

-		U32 elapsed_frames = (U32) (elapsed_time * sOohAahRate);

-		U32 elapsed_oohs   = elapsed_frames % sOohs;

-		U32 elapsed_aahs   = elapsed_frames % sAahs;

-

-		ooh = transfer_ooh * sOoh[elapsed_oohs];

-		aah = transfer_aah * sAah[elapsed_aahs];

-

-		/*

-		llinfos << " elapsed frames " << elapsed_frames

-				<< " ooh "            << ooh

-				<< " aah "            << aah

-				<< " transfer ooh"    << transfer_ooh

-				<< " transfer aah"    << transfer_aah

-				<< " start time "     << mStartTime

-				<< " current time "   << current_time

-				<< " elapsed time "   << elapsed_time

-				<< " elapsed oohs "   << elapsed_oohs

-				<< " elapsed aahs "   << elapsed_aahs

-				<< llendl;

-		*/

-	}

-	else

-	{

-		ooh = 0.0f;

-		aah = 0.0f;

-	}

-	

-}//---------------------------------------------------

-

-

-#ifdef XXX_STINSON_CHUI_REWORK

-//---------------------------------------------------

-// this method is inherited from HUD Effect

-//---------------------------------------------------

-void LLVoiceVisualizer::render()

-{

-	if ( ! mVoiceEnabled )

-	{

-		return;

-	}

-	

-	if ( mSoundSymbol.mActive ) 

-	{				

-		mPreviousTime = mCurrentTime;

-		mCurrentTime = mTimer.getTotalSeconds();

-	

-		//---------------------------------------------------------------

-		// set the sound symbol position over the source (avatar's head)

-		//---------------------------------------------------------------

-		mSoundSymbol.mPosition = mVoiceSourceWorldPosition + WORLD_UPWARD_DIRECTION * HEIGHT_ABOVE_HEAD;

-	

-		//---------------------------------------------------------------

-		// some gl state

-		//---------------------------------------------------------------

-		LLGLSPipelineAlpha alpha_blend;

-		LLGLDepthTest depth(GL_TRUE, GL_FALSE);

-		

-		//-------------------------------------------------------------

-		// create coordinates of the geometry for the dot

-		//-------------------------------------------------------------

-		LLViewerCamera* camera = LLViewerCamera::getInstance();

-		LLVector3 l	= camera->getLeftAxis() * DOT_SIZE;

-		LLVector3 u	= camera->getUpAxis()   * DOT_SIZE;

-

-		LLVector3 bottomLeft	= mSoundSymbol.mPosition + l - u;

-		LLVector3 bottomRight	= mSoundSymbol.mPosition - l - u;

-		LLVector3 topLeft		= mSoundSymbol.mPosition + l + u;

-		LLVector3 topRight		= mSoundSymbol.mPosition - l + u;

-		

-		//-----------------------------

-		// bind texture 0 (the dot)

-		//-----------------------------

-		gGL.getTexUnit(0)->bind(mSoundSymbol.mTexture[0]);

-		

-		//-------------------------------------------------------------

-		// now render the dot

-		//-------------------------------------------------------------

-		gGL.color4fv( LLColor4( 1.0f, 1.0f, 1.0f, DOT_OPACITY ).mV );	

-		

-		gGL.begin( LLRender::TRIANGLE_STRIP );

-			gGL.texCoord2i( 0,	0	); gGL.vertex3fv( bottomLeft.mV );

-			gGL.texCoord2i( 1,	0	); gGL.vertex3fv( bottomRight.mV );

-			gGL.texCoord2i( 0,	1	); gGL.vertex3fv( topLeft.mV );

-		gGL.end();

-

-		gGL.begin( LLRender::TRIANGLE_STRIP );

-			gGL.texCoord2i( 1,	0	); gGL.vertex3fv( bottomRight.mV );

-			gGL.texCoord2i( 1,	1	); gGL.vertex3fv( topRight.mV );

-			gGL.texCoord2i( 0,	1	); gGL.vertex3fv( topLeft.mV );

-		gGL.end();

-		

-		

-		

-		//--------------------------------------------------------------------------------------

-		// if currently speaking, trigger waves (1 through 6) based on speaking amplitude

-		//--------------------------------------------------------------------------------------

-		if ( mCurrentlySpeaking )

-		{

-			F32 min = 0.2f;

-			F32 max = 0.7f;

-			F32 fraction = ( mSpeakingAmplitude - min ) / ( max - min );

-		

-			// in case mSpeakingAmplitude > max....

-			if ( fraction > 1.0f )

-			{

-				fraction = 1.0f;

-			}

-														

-			S32 level = 1 + (int)( fraction * ( NUM_VOICE_SYMBOL_WAVES - 2 ) );

-																										

-			for (int i=0; i<level+1; i++)

-			{

-				mSoundSymbol.mWaveActive			[i] = true;

-				mSoundSymbol.mWaveOpacity			[i] = 1.0f;

-				mSoundSymbol.mWaveFadeOutStartTime	[i] = mCurrentTime;

-			}			

-			

-		} // if currently speaking

-								

-		//---------------------------------------------------

-		// determine color

-		//---------------------------------------------------

-		F32 red		= 0.0f;

-		F32 green	= 0.0f;

-		F32 blue	= 0.0f;

-        if ( mSpeakingAmplitude < RED_THRESHOLD )

-        {

-			if ( mSpeakingAmplitude < GREEN_THRESHOLD )

-			{

-				red		= BASE_BRIGHTNESS;

-				green	= BASE_BRIGHTNESS;

-				blue	= BASE_BRIGHTNESS;

-			}

-			else

-			{

-				//---------------------------------------------------

-				// fade from gray to bright green

-				//---------------------------------------------------

-				F32 fraction = ( mSpeakingAmplitude - GREEN_THRESHOLD ) / ( 1.0f - GREEN_THRESHOLD );

-				red		= BASE_BRIGHTNESS - ( fraction * BASE_BRIGHTNESS );

-				green	= BASE_BRIGHTNESS +   fraction * ( 1.0f - BASE_BRIGHTNESS );

-				blue	= BASE_BRIGHTNESS - ( fraction * BASE_BRIGHTNESS );

-			}

-        }

-        else

-        {

-			//---------------------------------------------------

-			// redish

-			//---------------------------------------------------

-			red		= 1.0f;

-			green	= 0.2f;

-			blue	= 0.2f;

-        }

-														

-		for (int i=0; i<NUM_VOICE_SYMBOL_WAVES; i++)

-		{

-			if ( mSoundSymbol.mWaveActive[i] ) 

-			{

-				F32 fadeOutFraction = (F32)( mCurrentTime - mSoundSymbol.mWaveFadeOutStartTime[i] ) / FADE_OUT_DURATION;

-

-				mSoundSymbol.mWaveOpacity[i] = 1.0f - fadeOutFraction;

-				

-				if ( mSoundSymbol.mWaveOpacity[i] < 0.0f )

-				{

-					mSoundSymbol.mWaveFadeOutStartTime	[i] = mCurrentTime;

-					mSoundSymbol.mWaveOpacity			[i] = 0.0f;

-					mSoundSymbol.mWaveActive			[i] = false;

-				}

-				

-				//----------------------------------------------------------------------------------

-				// This is where we calculate the expansion of the waves - that is, the

-				// rate at which they are scaled greater than 1.0 so that they grow over time.

-				//----------------------------------------------------------------------------------

-				F32 timeSlice = (F32)( mCurrentTime - mPreviousTime );

-				F32 waveSpeed = mSpeakingAmplitude * WAVE_MOTION_RATE;

-				mSoundSymbol.mWaveExpansion[i] *= ( 1.0f + EXPANSION_RATE * timeSlice * waveSpeed );

-				

-				if ( mSoundSymbol.mWaveExpansion[i] > EXPANSION_MAX )

-				{

-					mSoundSymbol.mWaveExpansion[i] = 1.0f;

-				}			

-								

-				//----------------------------------------------------------------------------------

-				// create geometry for the wave billboard textures

-				//----------------------------------------------------------------------------------

-				F32 width	= i * WAVE_WIDTH_SCALE  * mSoundSymbol.mWaveExpansion[i];

-				F32 height	= i * WAVE_HEIGHT_SCALE * mSoundSymbol.mWaveExpansion[i];

-

-				LLVector3 l	= camera->getLeftAxis() * width;

-				LLVector3 u	= camera->getUpAxis()   * height;

-

-				LLVector3 bottomLeft	= mSoundSymbol.mPosition + l - u;

-				LLVector3 bottomRight	= mSoundSymbol.mPosition - l - u;

-				LLVector3 topLeft		= mSoundSymbol.mPosition + l + u;

-				LLVector3 topRight		= mSoundSymbol.mPosition - l + u;

-							

-				gGL.color4fv( LLColor4( red, green, blue, mSoundSymbol.mWaveOpacity[i] ).mV );		

-				gGL.getTexUnit(0)->bind(mSoundSymbol.mTexture[i]);

-

-				

-				//---------------------------------------------------

-				// now, render the mofo

-				//---------------------------------------------------

-				gGL.begin( LLRender::TRIANGLE_STRIP );

-					gGL.texCoord2i( 0, 0 ); gGL.vertex3fv( bottomLeft.mV );

-					gGL.texCoord2i( 1, 0 ); gGL.vertex3fv( bottomRight.mV );

-					gGL.texCoord2i( 0, 1 ); gGL.vertex3fv( topLeft.mV );

-				gGL.end();

-

-				gGL.begin( LLRender::TRIANGLE_STRIP );

-					gGL.texCoord2i( 1, 0 ); gGL.vertex3fv( bottomRight.mV );

-					gGL.texCoord2i( 1, 1 ); gGL.vertex3fv( topRight.mV );

-					gGL.texCoord2i( 0, 1 ); gGL.vertex3fv( topLeft.mV );

-				gGL.end();

-				

-			} //if ( mSoundSymbol.mWaveActive[i] ) 

-			

-		}// for loop

-											

-	}//if ( mSoundSymbol.mActive ) 

-

-}//---------------------------------------------------

-

-//---------------------------------------------------

-void LLVoiceVisualizer::setVoiceSourceWorldPosition( const LLVector3 &p )

-{

-	mVoiceSourceWorldPosition	= p;

-

-}//---------------------------------------------------

-#endif // XXX_STINSON_CHUI_REWORK

-

-//---------------------------------------------------

-VoiceGesticulationLevel LLVoiceVisualizer::getCurrentGesticulationLevel()

-{

-	VoiceGesticulationLevel gesticulationLevel = VOICE_GESTICULATION_LEVEL_OFF; //default

-	

-	//-----------------------------------------------------------------------------------------

-	// Within the range of gesticulation amplitudes, the sound signal is split into

-	// three equal amplitude regimes, each specifying one of three gesticulation levels.

-	//-----------------------------------------------------------------------------------------

-	F32 range = mMaxGesticulationAmplitude - mMinGesticulationAmplitude;

-	

-			if ( mSpeakingAmplitude > mMinGesticulationAmplitude + range * 0.5f	)	{ gesticulationLevel = VOICE_GESTICULATION_LEVEL_HIGH;		}

-	else	if ( mSpeakingAmplitude > mMinGesticulationAmplitude + range * 0.25f	)	{ gesticulationLevel = VOICE_GESTICULATION_LEVEL_MEDIUM;	}

-	else	if ( mSpeakingAmplitude > mMinGesticulationAmplitude + range * 0.00000f	)	{ gesticulationLevel = VOICE_GESTICULATION_LEVEL_LOW;		}

-

-	return gesticulationLevel;

-

-}//---------------------------------------------------

-

-

-

-//------------------------------------

-// Destructor

-//------------------------------------

-LLVoiceVisualizer::~LLVoiceVisualizer()

-{

-}//----------------------------------------------

-

-

-#ifdef XXX_STINSON_CHUI_REWORK

-//---------------------------------------------------

-// "packData" is inherited from HUDEffect

-//---------------------------------------------------

-void LLVoiceVisualizer::packData(LLMessageSystem *mesgsys)

-{

-	// Pack the default data

-	LLHUDEffect::packData(mesgsys);

-

-	// TODO -- pack the relevant data for voice effects

-	// we'll come up with some cool configurations....TBD

-	//U8 packed_data[41];

-	//mesgsys->addBinaryDataFast(_PREHASH_TypeData, packed_data, 41);

-	U8 packed_data = 0;

-	mesgsys->addBinaryDataFast(_PREHASH_TypeData, &packed_data, 1);

-}

-

-

-//---------------------------------------------------

-// "unpackData" is inherited from HUDEffect

-//---------------------------------------------------

-void LLVoiceVisualizer::unpackData(LLMessageSystem *mesgsys, S32 blocknum)

-{

-	// TODO -- find the speaker, unpack binary data, set the properties of this effect

-	/*

-	LLHUDEffect::unpackData(mesgsys, blocknum);

-	LLUUID source_id;

-	LLUUID target_id;

-	S32 size = mesgsys->getSizeFast(_PREHASH_Effect, blocknum, _PREHASH_TypeData);

-	if (size != 1)

-	{

-		llwarns << "Voice effect with bad size " << size << llendl;

-		return;

-	}

-	mesgsys->getBinaryDataFast(_PREHASH_Effect, _PREHASH_TypeData, packed_data, 1, blocknum);

-	*/

-}

-

-

-//------------------------------------------------------------------

-// this method is inherited from HUD Effect

-//------------------------------------------------------------------

-void LLVoiceVisualizer::markDead()

-{

-	mCurrentlySpeaking		= false;

-	mVoiceEnabled			= false;

-	mSoundSymbol.mActive	= false;

-

-	LLHUDEffect::markDead();

-}//------------------------------------------------------------------

-

-#endif // XXX_STINSON_CHUI_REWORK

+/** 
+ * @file llvoicevisualizer.cpp
+ * @brief Draws in-world speaking indicators.
+ *
+ * $LicenseInfo:firstyear=2000&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+//----------------------------------------------------------------------
+// Voice Visualizer
+// author: JJ Ventrella
+// (information about this stuff can be found in "llvoicevisualizer.h")
+//----------------------------------------------------------------------
+#include "llviewerprecompiledheaders.h"
+#include "llviewercontrol.h"
+#include "llglheaders.h"
+#include "llsphere.h"
+#include "llvoicevisualizer.h"
+#include "llviewercamera.h"
+#include "llviewerobject.h"
+#include "llviewertexture.h"
+#include "llviewertexturelist.h"
+#include "llvoiceclient.h"
+#include "llrender.h"
+
+//brent's wave image
+//29de489d-0491-fb00-7dab-f9e686d31e83
+
+
+#ifdef XXX_STINSON_CHUI_REWORK
+//--------------------------------------------------------------------------------------
+// sound symbol constants
+//--------------------------------------------------------------------------------------
+const F32	HEIGHT_ABOVE_HEAD	= 0.3f;		// how many meters vertically above the av's head the voice symbol will appear
+const F32	RED_THRESHOLD		= LLVoiceClient::OVERDRIVEN_POWER_LEVEL;		// value above which speaking amplitude causes the voice symbol to turn red
+const F32	GREEN_THRESHOLD		= 0.2f;		// value above which speaking amplitude causes the voice symbol to turn green
+const F32	FADE_OUT_DURATION	= 0.4f;		// how many seconds it takes for a pair of waves to fade away
+const F32	EXPANSION_RATE		= 1.0f;		// how many seconds it takes for the waves to expand to twice their original size
+const F32	EXPANSION_MAX		= 1.5f;		// maximum size scale to which the waves can expand before popping back to 1.0 
+const F32	WAVE_WIDTH_SCALE	= 0.03f;	// base width of the waves 
+const F32	WAVE_HEIGHT_SCALE	= 0.02f;	// base height of the waves 
+const F32	BASE_BRIGHTNESS		= 0.7f;		// gray level of the voice indicator when quiet (below green threshold)
+const F32	DOT_SIZE			= 0.05f;	// size of the dot billboard texture
+const F32	DOT_OPACITY			= 0.7f;		// how opaque the dot is
+const F32	WAVE_MOTION_RATE	= 1.5f;		// scalar applied to consecutive waves as a function of speaking amplitude
+#endif // XXX_STINSON_CHUI_REWORK
+
+//--------------------------------------------------------------------------------------
+// gesticulation constants
+//--------------------------------------------------------------------------------------
+const F32 DEFAULT_MINIMUM_GESTICULATION_AMPLITUDE	= 0.2f; 
+const F32 DEFAULT_MAXIMUM_GESTICULATION_AMPLITUDE	= 1.0f;
+
+#ifdef XXX_STINSON_CHUI_REWORK
+//--------------------------------------------------------------------------------------
+// other constants
+//--------------------------------------------------------------------------------------
+const F32 ONE_HALF = 1.0f; // to clarify intent and reduce magic numbers in the code. 
+const LLVector3 WORLD_UPWARD_DIRECTION = LLVector3( 0.0f, 0.0f, 1.0f ); // Z is up in SL
+#endif // XXX_STINSON_CHUI_REWORK
+
+//------------------------------------------------------------------
+// Initialize the statics
+//------------------------------------------------------------------
+bool LLVoiceVisualizer::sPrefsInitialized	= false;
+BOOL LLVoiceVisualizer::sLipSyncEnabled		= FALSE;
+F32* LLVoiceVisualizer::sOoh				= NULL;
+F32* LLVoiceVisualizer::sAah				= NULL;
+U32	 LLVoiceVisualizer::sOohs				= 0;
+U32	 LLVoiceVisualizer::sAahs				= 0;
+F32	 LLVoiceVisualizer::sOohAahRate			= 0.0f;
+F32* LLVoiceVisualizer::sOohPowerTransfer	= NULL;
+U32	 LLVoiceVisualizer::sOohPowerTransfers	= 0;
+F32	 LLVoiceVisualizer::sOohPowerTransfersf = 0.0f;
+F32* LLVoiceVisualizer::sAahPowerTransfer	= NULL;
+U32	 LLVoiceVisualizer::sAahPowerTransfers	= 0;
+F32	 LLVoiceVisualizer::sAahPowerTransfersf = 0.0f;
+
+
+//-----------------------------------------------
+// constructor
+//-----------------------------------------------
+#ifdef XXX_STINSON_CHUI_REWORK
+LLVoiceVisualizer::LLVoiceVisualizer( const U8 type )
+	: LLHUDEffect(type)
+#else // XXX_STINSON_CHUI_REWORK
+LLVoiceVisualizer::LLVoiceVisualizer()
+	: LLRefCount(),
+	mTimer(),
+	mStartTime(0.0),
+	mCurrentlySpeaking(false),
+	mSpeakingAmplitude(0.0f),
+	mMaxGesticulationAmplitude(DEFAULT_MAXIMUM_GESTICULATION_AMPLITUDE),
+	mMinGesticulationAmplitude(DEFAULT_MINIMUM_GESTICULATION_AMPLITUDE)
+#endif // XXX_STINSON_CHUI_REWORK
+{
+#ifdef XXX_STINSON_CHUI_REWORK
+	mCurrentTime					= mTimer.getTotalSeconds();
+	mPreviousTime					= mCurrentTime;
+	mStartTime						= mCurrentTime;
+#else // XXX_STINSON_CHUI_REWORK
+	mStartTime						= mTimer.getTotalSeconds();
+#endif // XXX_STINSON_CHUI_REWORK
+#ifdef XXX_STINSON_CHUI_REWORK
+	mVoiceSourceWorldPosition		= LLVector3( 0.0f, 0.0f, 0.0f );
+	mSpeakingAmplitude				= 0.0f;
+	mCurrentlySpeaking				= false;
+	mVoiceEnabled					= false;
+	mMinGesticulationAmplitude		= DEFAULT_MINIMUM_GESTICULATION_AMPLITUDE;
+	mMaxGesticulationAmplitude		= DEFAULT_MAXIMUM_GESTICULATION_AMPLITUDE;
+	mSoundSymbol.mActive			= true;
+	mSoundSymbol.mPosition			= LLVector3( 0.0f, 0.0f, 0.0f );
+#endif // XXX_STINSON_CHUI_REWORK
+	
+	mTimer.reset();
+	
+#ifdef XXX_STINSON_CHUI_REWORK
+	const char* sound_level_img[] = 
+	{
+		"voice_meter_dot.j2c",
+		"voice_meter_rings.j2c",
+		"voice_meter_rings.j2c",
+		"voice_meter_rings.j2c",
+		"voice_meter_rings.j2c",
+		"voice_meter_rings.j2c",
+		"voice_meter_rings.j2c"
+	};
+
+	for (int i=0; i<NUM_VOICE_SYMBOL_WAVES; i++)
+	{
+		mSoundSymbol.mWaveFadeOutStartTime	[i] = mCurrentTime;
+		mSoundSymbol.mTexture				[i] = LLViewerTextureManager::getFetchedTextureFromFile(sound_level_img[i], FALSE, LLViewerTexture::BOOST_UI);
+		mSoundSymbol.mWaveActive			[i] = false;
+		mSoundSymbol.mWaveOpacity			[i] = 1.0f;
+		mSoundSymbol.mWaveExpansion			[i] = 1.0f;
+	}
+
+	mSoundSymbol.mTexture[0]->setFilteringOption(LLTexUnit::TFO_ANISOTROPIC);
+#endif // XXX_STINSON_CHUI_REWORK
+
+	// The first instance loads the initial state from prefs.
+	if (!sPrefsInitialized)
+	{
+		setPreferences();
+       
+		// Set up our listener to get updates on all prefs values we care about.
+		gSavedSettings.getControl("LipSyncEnabled")->getSignal()->connect(boost::bind(&LLVoiceVisualizer::handleVoiceVisualizerPrefsChanged, _2));
+		gSavedSettings.getControl("LipSyncOohAahRate")->getSignal()->connect(boost::bind(&LLVoiceVisualizer::handleVoiceVisualizerPrefsChanged, _2));
+		gSavedSettings.getControl("LipSyncOoh")->getSignal()->connect(boost::bind(&LLVoiceVisualizer::handleVoiceVisualizerPrefsChanged, _2));
+		gSavedSettings.getControl("LipSyncAah")->getSignal()->connect(boost::bind(&LLVoiceVisualizer::handleVoiceVisualizerPrefsChanged, _2));
+		gSavedSettings.getControl("LipSyncOohPowerTransfer")->getSignal()->connect(boost::bind(&LLVoiceVisualizer::handleVoiceVisualizerPrefsChanged, _2));
+		gSavedSettings.getControl("LipSyncAahPowerTransfer")->getSignal()->connect(boost::bind(&LLVoiceVisualizer::handleVoiceVisualizerPrefsChanged, _2));
+		
+		sPrefsInitialized = true;
+	}
+
+}//---------------------------------------------------
+
+#ifdef XXX_STINSON_CHUI_REWORK
+//---------------------------------------------------
+void LLVoiceVisualizer::setMinGesticulationAmplitude( F32 m )
+{
+	mMinGesticulationAmplitude = m;
+
+}//---------------------------------------------------
+
+//---------------------------------------------------
+void LLVoiceVisualizer::setMaxGesticulationAmplitude( F32 m )
+{
+	mMaxGesticulationAmplitude = m;
+
+}//---------------------------------------------------
+
+//---------------------------------------------------
+void LLVoiceVisualizer::setVoiceEnabled( bool v )
+{
+	mVoiceEnabled = v;
+
+}//---------------------------------------------------
+#endif // XXX_STINSON_CHUI_REWORK
+
+//---------------------------------------------------
+void LLVoiceVisualizer::setStartSpeaking()
+{
+	mStartTime				= mTimer.getTotalSeconds();
+	mCurrentlySpeaking		= true;
+#ifdef XXX_STINSON_CHUI_REWORK
+	mSoundSymbol.mActive	= true;
+#endif // XXX_STINSON_CHUI_REWORK
+		
+}//---------------------------------------------------
+
+
+//---------------------------------------------------
+bool LLVoiceVisualizer::getCurrentlySpeaking()
+{
+	return mCurrentlySpeaking;
+	
+}//---------------------------------------------------
+
+
+//---------------------------------------------------
+void LLVoiceVisualizer::setStopSpeaking()
+{
+	mCurrentlySpeaking = false;
+	mSpeakingAmplitude = 0.0f;
+	
+}//---------------------------------------------------
+
+
+//---------------------------------------------------
+void LLVoiceVisualizer::setSpeakingAmplitude( F32 a )
+{
+	mSpeakingAmplitude = a;
+	
+}//---------------------------------------------------
+
+//------------------------------------------------------------------
+// handles parameter updates
+//------------------------------------------------------------------
+bool LLVoiceVisualizer::handleVoiceVisualizerPrefsChanged(const LLSD& newvalue)
+{
+	// Note: Ignore the specific event value, we look up the ones we want
+	LLVoiceVisualizer::setPreferences();
+	return true;
+}
+
+//---------------------------------------------------
+void LLVoiceVisualizer::setPreferences( )
+{
+	sLipSyncEnabled = gSavedSettings.getBOOL("LipSyncEnabled");
+	sOohAahRate		= gSavedSettings.getF32("LipSyncOohAahRate");
+
+	std::string oohString = gSavedSettings.getString("LipSyncOoh");
+	lipStringToF32s (oohString, sOoh, sOohs);
+
+	std::string aahString = gSavedSettings.getString("LipSyncAah");
+	lipStringToF32s (aahString, sAah, sAahs);
+
+	std::string oohPowerString = gSavedSettings.getString("LipSyncOohPowerTransfer");
+	lipStringToF32s (oohPowerString, sOohPowerTransfer, sOohPowerTransfers);
+	sOohPowerTransfersf = (F32) sOohPowerTransfers;
+
+	std::string aahPowerString = gSavedSettings.getString("LipSyncAahPowerTransfer");
+	lipStringToF32s (aahPowerString, sAahPowerTransfer, sAahPowerTransfers);
+	sAahPowerTransfersf = (F32) sAahPowerTransfers;
+
+}//---------------------------------------------------
+
+
+//---------------------------------------------------
+// convert a string of digits to an array of floats.
+// the result for each digit is the value of the
+// digit multiplied by 0.11
+//---------------------------------------------------
+void LLVoiceVisualizer::lipStringToF32s ( std::string& in_string, F32*& out_F32s, U32& count_F32s )
+{
+	delete[] out_F32s;	// get rid of the current array
+
+	count_F32s = in_string.length();
+	if (count_F32s == 0)
+	{
+		// we don't like zero length arrays
+
+		count_F32s  = 1;
+		out_F32s	   = new F32[1];
+		out_F32s[0] = 0.0f;
+	}
+	else
+	{
+		out_F32s = new F32[count_F32s];
+
+		for (U32 i=0; i<count_F32s; i++)
+		{
+			// we convert the characters 0 to 9 to their numeric value
+			// anything else we take the low order four bits with a ceiling of 9
+
+		    U8 digit = in_string[i];
+			U8 four_bits = digit % 16;
+			if (four_bits > 9)
+			{
+				four_bits = 9;
+			}
+			out_F32s[i] = 0.11f * (F32) four_bits;
+		} 
+	}
+
+}//---------------------------------------------------
+
+
+//--------------------------------------------------------------------------
+// find the amount to blend the ooh and aah mouth morphs
+//--------------------------------------------------------------------------
+void LLVoiceVisualizer::lipSyncOohAah( F32& ooh, F32& aah )
+{
+	if( ( sLipSyncEnabled == TRUE ) && mCurrentlySpeaking )
+	{
+		U32 transfer_index = (U32) (sOohPowerTransfersf * mSpeakingAmplitude);
+		if (transfer_index >= sOohPowerTransfers)
+		{
+		   transfer_index = sOohPowerTransfers - 1;
+		}
+		F32 transfer_ooh = sOohPowerTransfer[transfer_index];
+
+		transfer_index = (U32) (sAahPowerTransfersf * mSpeakingAmplitude);
+		if (transfer_index >= sAahPowerTransfers)
+		{
+		   transfer_index = sAahPowerTransfers - 1;
+		}
+		F32 transfer_aah = sAahPowerTransfer[transfer_index];
+
+		F64 current_time   = mTimer.getTotalSeconds();
+		F64 elapsed_time   = current_time - mStartTime;
+		U32 elapsed_frames = (U32) (elapsed_time * sOohAahRate);
+		U32 elapsed_oohs   = elapsed_frames % sOohs;
+		U32 elapsed_aahs   = elapsed_frames % sAahs;
+
+		ooh = transfer_ooh * sOoh[elapsed_oohs];
+		aah = transfer_aah * sAah[elapsed_aahs];
+
+		/*
+		llinfos << " elapsed frames " << elapsed_frames
+				<< " ooh "            << ooh
+				<< " aah "            << aah
+				<< " transfer ooh"    << transfer_ooh
+				<< " transfer aah"    << transfer_aah
+				<< " start time "     << mStartTime
+				<< " current time "   << current_time
+				<< " elapsed time "   << elapsed_time
+				<< " elapsed oohs "   << elapsed_oohs
+				<< " elapsed aahs "   << elapsed_aahs
+				<< llendl;
+		*/
+	}
+	else
+	{
+		ooh = 0.0f;
+		aah = 0.0f;
+	}
+	
+}//---------------------------------------------------
+
+
+#ifdef XXX_STINSON_CHUI_REWORK
+//---------------------------------------------------
+// this method is inherited from HUD Effect
+//---------------------------------------------------
+void LLVoiceVisualizer::render()
+{
+	if ( ! mVoiceEnabled )
+	{
+		return;
+	}
+	
+	if ( mSoundSymbol.mActive ) 
+	{				
+		mPreviousTime = mCurrentTime;
+		mCurrentTime = mTimer.getTotalSeconds();
+	
+		//---------------------------------------------------------------
+		// set the sound symbol position over the source (avatar's head)
+		//---------------------------------------------------------------
+		mSoundSymbol.mPosition = mVoiceSourceWorldPosition + WORLD_UPWARD_DIRECTION * HEIGHT_ABOVE_HEAD;
+	
+		//---------------------------------------------------------------
+		// some gl state
+		//---------------------------------------------------------------
+		LLGLSPipelineAlpha alpha_blend;
+		LLGLDepthTest depth(GL_TRUE, GL_FALSE);
+		
+		//-------------------------------------------------------------
+		// create coordinates of the geometry for the dot
+		//-------------------------------------------------------------
+		LLViewerCamera* camera = LLViewerCamera::getInstance();
+		LLVector3 l	= camera->getLeftAxis() * DOT_SIZE;
+		LLVector3 u	= camera->getUpAxis()   * DOT_SIZE;
+
+		LLVector3 bottomLeft	= mSoundSymbol.mPosition + l - u;
+		LLVector3 bottomRight	= mSoundSymbol.mPosition - l - u;
+		LLVector3 topLeft		= mSoundSymbol.mPosition + l + u;
+		LLVector3 topRight		= mSoundSymbol.mPosition - l + u;
+		
+		//-----------------------------
+		// bind texture 0 (the dot)
+		//-----------------------------
+		gGL.getTexUnit(0)->bind(mSoundSymbol.mTexture[0]);
+		
+		//-------------------------------------------------------------
+		// now render the dot
+		//-------------------------------------------------------------
+		gGL.color4fv( LLColor4( 1.0f, 1.0f, 1.0f, DOT_OPACITY ).mV );	
+		
+		gGL.begin( LLRender::TRIANGLE_STRIP );
+			gGL.texCoord2i( 0,	0	); gGL.vertex3fv( bottomLeft.mV );
+			gGL.texCoord2i( 1,	0	); gGL.vertex3fv( bottomRight.mV );
+			gGL.texCoord2i( 0,	1	); gGL.vertex3fv( topLeft.mV );
+		gGL.end();
+
+		gGL.begin( LLRender::TRIANGLE_STRIP );
+			gGL.texCoord2i( 1,	0	); gGL.vertex3fv( bottomRight.mV );
+			gGL.texCoord2i( 1,	1	); gGL.vertex3fv( topRight.mV );
+			gGL.texCoord2i( 0,	1	); gGL.vertex3fv( topLeft.mV );
+		gGL.end();
+		
+		
+		
+		//--------------------------------------------------------------------------------------
+		// if currently speaking, trigger waves (1 through 6) based on speaking amplitude
+		//--------------------------------------------------------------------------------------
+		if ( mCurrentlySpeaking )
+		{
+			F32 min = 0.2f;
+			F32 max = 0.7f;
+			F32 fraction = ( mSpeakingAmplitude - min ) / ( max - min );
+		
+			// in case mSpeakingAmplitude > max....
+			if ( fraction > 1.0f )
+			{
+				fraction = 1.0f;
+			}
+														
+			S32 level = 1 + (int)( fraction * ( NUM_VOICE_SYMBOL_WAVES - 2 ) );
+																										
+			for (int i=0; i<level+1; i++)
+			{
+				mSoundSymbol.mWaveActive			[i] = true;
+				mSoundSymbol.mWaveOpacity			[i] = 1.0f;
+				mSoundSymbol.mWaveFadeOutStartTime	[i] = mCurrentTime;
+			}			
+			
+		} // if currently speaking
+								
+		//---------------------------------------------------
+		// determine color
+		//---------------------------------------------------
+		F32 red		= 0.0f;
+		F32 green	= 0.0f;
+		F32 blue	= 0.0f;
+        if ( mSpeakingAmplitude < RED_THRESHOLD )
+        {
+			if ( mSpeakingAmplitude < GREEN_THRESHOLD )
+			{
+				red		= BASE_BRIGHTNESS;
+				green	= BASE_BRIGHTNESS;
+				blue	= BASE_BRIGHTNESS;
+			}
+			else
+			{
+				//---------------------------------------------------
+				// fade from gray to bright green
+				//---------------------------------------------------
+				F32 fraction = ( mSpeakingAmplitude - GREEN_THRESHOLD ) / ( 1.0f - GREEN_THRESHOLD );
+				red		= BASE_BRIGHTNESS - ( fraction * BASE_BRIGHTNESS );
+				green	= BASE_BRIGHTNESS +   fraction * ( 1.0f - BASE_BRIGHTNESS );
+				blue	= BASE_BRIGHTNESS - ( fraction * BASE_BRIGHTNESS );
+			}
+        }
+        else
+        {
+			//---------------------------------------------------
+			// redish
+			//---------------------------------------------------
+			red		= 1.0f;
+			green	= 0.2f;
+			blue	= 0.2f;
+        }
+														
+		for (int i=0; i<NUM_VOICE_SYMBOL_WAVES; i++)
+		{
+			if ( mSoundSymbol.mWaveActive[i] ) 
+			{
+				F32 fadeOutFraction = (F32)( mCurrentTime - mSoundSymbol.mWaveFadeOutStartTime[i] ) / FADE_OUT_DURATION;
+
+				mSoundSymbol.mWaveOpacity[i] = 1.0f - fadeOutFraction;
+				
+				if ( mSoundSymbol.mWaveOpacity[i] < 0.0f )
+				{
+					mSoundSymbol.mWaveFadeOutStartTime	[i] = mCurrentTime;
+					mSoundSymbol.mWaveOpacity			[i] = 0.0f;
+					mSoundSymbol.mWaveActive			[i] = false;
+				}
+				
+				//----------------------------------------------------------------------------------
+				// This is where we calculate the expansion of the waves - that is, the
+				// rate at which they are scaled greater than 1.0 so that they grow over time.
+				//----------------------------------------------------------------------------------
+				F32 timeSlice = (F32)( mCurrentTime - mPreviousTime );
+				F32 waveSpeed = mSpeakingAmplitude * WAVE_MOTION_RATE;
+				mSoundSymbol.mWaveExpansion[i] *= ( 1.0f + EXPANSION_RATE * timeSlice * waveSpeed );
+				
+				if ( mSoundSymbol.mWaveExpansion[i] > EXPANSION_MAX )
+				{
+					mSoundSymbol.mWaveExpansion[i] = 1.0f;
+				}			
+								
+				//----------------------------------------------------------------------------------
+				// create geometry for the wave billboard textures
+				//----------------------------------------------------------------------------------
+				F32 width	= i * WAVE_WIDTH_SCALE  * mSoundSymbol.mWaveExpansion[i];
+				F32 height	= i * WAVE_HEIGHT_SCALE * mSoundSymbol.mWaveExpansion[i];
+
+				LLVector3 l	= camera->getLeftAxis() * width;
+				LLVector3 u	= camera->getUpAxis()   * height;
+
+				LLVector3 bottomLeft	= mSoundSymbol.mPosition + l - u;
+				LLVector3 bottomRight	= mSoundSymbol.mPosition - l - u;
+				LLVector3 topLeft		= mSoundSymbol.mPosition + l + u;
+				LLVector3 topRight		= mSoundSymbol.mPosition - l + u;
+							
+				gGL.color4fv( LLColor4( red, green, blue, mSoundSymbol.mWaveOpacity[i] ).mV );		
+				gGL.getTexUnit(0)->bind(mSoundSymbol.mTexture[i]);
+
+				
+				//---------------------------------------------------
+				// now, render the mofo
+				//---------------------------------------------------
+				gGL.begin( LLRender::TRIANGLE_STRIP );
+					gGL.texCoord2i( 0, 0 ); gGL.vertex3fv( bottomLeft.mV );
+					gGL.texCoord2i( 1, 0 ); gGL.vertex3fv( bottomRight.mV );
+					gGL.texCoord2i( 0, 1 ); gGL.vertex3fv( topLeft.mV );
+				gGL.end();
+
+				gGL.begin( LLRender::TRIANGLE_STRIP );
+					gGL.texCoord2i( 1, 0 ); gGL.vertex3fv( bottomRight.mV );
+					gGL.texCoord2i( 1, 1 ); gGL.vertex3fv( topRight.mV );
+					gGL.texCoord2i( 0, 1 ); gGL.vertex3fv( topLeft.mV );
+				gGL.end();
+				
+			} //if ( mSoundSymbol.mWaveActive[i] ) 
+			
+		}// for loop
+											
+	}//if ( mSoundSymbol.mActive ) 
+
+}//---------------------------------------------------
+
+//---------------------------------------------------
+void LLVoiceVisualizer::setVoiceSourceWorldPosition( const LLVector3 &p )
+{
+	mVoiceSourceWorldPosition	= p;
+
+}//---------------------------------------------------
+#endif // XXX_STINSON_CHUI_REWORK
+
+//---------------------------------------------------
+VoiceGesticulationLevel LLVoiceVisualizer::getCurrentGesticulationLevel()
+{
+	VoiceGesticulationLevel gesticulationLevel = VOICE_GESTICULATION_LEVEL_OFF; //default
+	
+	//-----------------------------------------------------------------------------------------
+	// Within the range of gesticulation amplitudes, the sound signal is split into
+	// three equal amplitude regimes, each specifying one of three gesticulation levels.
+	//-----------------------------------------------------------------------------------------
+	F32 range = mMaxGesticulationAmplitude - mMinGesticulationAmplitude;
+	
+			if ( mSpeakingAmplitude > mMinGesticulationAmplitude + range * 0.5f	)	{ gesticulationLevel = VOICE_GESTICULATION_LEVEL_HIGH;		}
+	else	if ( mSpeakingAmplitude > mMinGesticulationAmplitude + range * 0.25f	)	{ gesticulationLevel = VOICE_GESTICULATION_LEVEL_MEDIUM;	}
+	else	if ( mSpeakingAmplitude > mMinGesticulationAmplitude + range * 0.00000f	)	{ gesticulationLevel = VOICE_GESTICULATION_LEVEL_LOW;		}
+
+	return gesticulationLevel;
+
+}//---------------------------------------------------
+
+
+
+//------------------------------------
+// Destructor
+//------------------------------------
+LLVoiceVisualizer::~LLVoiceVisualizer()
+{
+}//----------------------------------------------
+
+
+#ifdef XXX_STINSON_CHUI_REWORK
+//---------------------------------------------------
+// "packData" is inherited from HUDEffect
+//---------------------------------------------------
+void LLVoiceVisualizer::packData(LLMessageSystem *mesgsys)
+{
+	// Pack the default data
+	LLHUDEffect::packData(mesgsys);
+
+	// TODO -- pack the relevant data for voice effects
+	// we'll come up with some cool configurations....TBD
+	//U8 packed_data[41];
+	//mesgsys->addBinaryDataFast(_PREHASH_TypeData, packed_data, 41);
+	U8 packed_data = 0;
+	mesgsys->addBinaryDataFast(_PREHASH_TypeData, &packed_data, 1);
+}
+
+
+//---------------------------------------------------
+// "unpackData" is inherited from HUDEffect
+//---------------------------------------------------
+void LLVoiceVisualizer::unpackData(LLMessageSystem *mesgsys, S32 blocknum)
+{
+	// TODO -- find the speaker, unpack binary data, set the properties of this effect
+	/*
+	LLHUDEffect::unpackData(mesgsys, blocknum);
+	LLUUID source_id;
+	LLUUID target_id;
+	S32 size = mesgsys->getSizeFast(_PREHASH_Effect, blocknum, _PREHASH_TypeData);
+	if (size != 1)
+	{
+		llwarns << "Voice effect with bad size " << size << llendl;
+		return;
+	}
+	mesgsys->getBinaryDataFast(_PREHASH_Effect, _PREHASH_TypeData, packed_data, 1, blocknum);
+	*/
+}
+
+
+//------------------------------------------------------------------
+// this method is inherited from HUD Effect
+//------------------------------------------------------------------
+void LLVoiceVisualizer::markDead()
+{
+	mCurrentlySpeaking		= false;
+	mVoiceEnabled			= false;
+	mSoundSymbol.mActive	= false;
+
+	LLHUDEffect::markDead();
+}//------------------------------------------------------------------
+
+#endif // XXX_STINSON_CHUI_REWORK