CHUI-86: Removing the LLHUDEffect parent class from the LLVoiceVisualizer. #ifdef'ing the code out for now, to be removed later.

1 files changed, 642 insertions, 625 deletions

diff --git a/indra/newview/llvoicevisualizer.cpp b/indra/newview/llvoicevisualizer.cpp
index 47060720e7..dcf33bce10 100644
--- a/indra/newview/llvoicevisualizer.cpp
+++ b/indra/newview/llvoicevisualizer.cpp
@@ -1,625 +1,642 @@
-/** 
- * @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
-
-
-//--------------------------------------------------------------------------------------
-// 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
-
-//--------------------------------------------------------------------------------------
-// gesticulation constants
-//--------------------------------------------------------------------------------------
-const F32 DEFAULT_MINIMUM_GESTICULATION_AMPLITUDE	= 0.2f; 
-const F32 DEFAULT_MAXIMUM_GESTICULATION_AMPLITUDE	= 1.0f;
-
-//--------------------------------------------------------------------------------------
-// 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
-
-
-//------------------------------------------------------------------
-// handles parameter updates
-//------------------------------------------------------------------
-static bool handleVoiceVisualizerPrefsChanged(const LLSD& newvalue)
-{
-	// Note: Ignore the specific event value, we look up the ones we want
-	LLVoiceVisualizer::setPreferences();
-	return true;
-}
-
-//------------------------------------------------------------------
-// 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
-//-----------------------------------------------
-LLVoiceVisualizer::LLVoiceVisualizer( const U8 type )
-:LLHUDEffect( type )
-{
-	mCurrentTime					= mTimer.getTotalSeconds();
-	mPreviousTime					= mCurrentTime;
-	mStartTime						= mCurrentTime;
-	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 );
-	
-	mTimer.reset();
-	
-	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);
-
-	// 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(&handleVoiceVisualizerPrefsChanged, _2));
-		gSavedSettings.getControl("LipSyncOohAahRate")->getSignal()->connect(boost::bind(&handleVoiceVisualizerPrefsChanged, _2));
-		gSavedSettings.getControl("LipSyncOoh")->getSignal()->connect(boost::bind(&handleVoiceVisualizerPrefsChanged, _2));
-		gSavedSettings.getControl("LipSyncAah")->getSignal()->connect(boost::bind(&handleVoiceVisualizerPrefsChanged, _2));
-		gSavedSettings.getControl("LipSyncOohPowerTransfer")->getSignal()->connect(boost::bind(&handleVoiceVisualizerPrefsChanged, _2));
-		gSavedSettings.getControl("LipSyncAahPowerTransfer")->getSignal()->connect(boost::bind(&handleVoiceVisualizerPrefsChanged, _2));
-		
-		sPrefsInitialized = true;
-	}
-
-}//---------------------------------------------------
-
-//---------------------------------------------------
-void LLVoiceVisualizer::setMinGesticulationAmplitude( F32 m )
-{
-	mMinGesticulationAmplitude = m;
-
-}//---------------------------------------------------
-
-//---------------------------------------------------
-void LLVoiceVisualizer::setMaxGesticulationAmplitude( F32 m )
-{
-	mMaxGesticulationAmplitude = m;
-
-}//---------------------------------------------------
-
-//---------------------------------------------------
-void LLVoiceVisualizer::setVoiceEnabled( bool v )
-{
-	mVoiceEnabled = v;
-
-}//---------------------------------------------------
-
-//---------------------------------------------------
-void LLVoiceVisualizer::setStartSpeaking()
-{
-	mStartTime				= mTimer.getTotalSeconds();
-	mCurrentlySpeaking		= true;
-	mSoundSymbol.mActive	= true;
-		
-}//---------------------------------------------------
-
-
-//---------------------------------------------------
-bool LLVoiceVisualizer::getCurrentlySpeaking()
-{
-	return mCurrentlySpeaking;
-	
-}//---------------------------------------------------
-
-
-//---------------------------------------------------
-void LLVoiceVisualizer::setStopSpeaking()
-{
-	mCurrentlySpeaking = false;
-	mSpeakingAmplitude = 0.0f;
-	
-}//---------------------------------------------------
-
-
-//---------------------------------------------------
-void LLVoiceVisualizer::setSpeakingAmplitude( F32 a )
-{
-	mSpeakingAmplitude = a;
-	
-}//---------------------------------------------------
-
-
-//---------------------------------------------------
-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;
-	}
-	
-}//---------------------------------------------------
-
-
-//---------------------------------------------------
-// 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;
-
-}//---------------------------------------------------
-
-//---------------------------------------------------
-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()
-{
-}//----------------------------------------------
-
-
-//---------------------------------------------------
-// "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();
-}//------------------------------------------------------------------
-
-
-
-
-
-
-
-
+/** 

+ * @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