Merge remote-tracking branch 'origin/main' into DRTVWR-600-maint-A

# Conflicts:
#	autobuild.xml
#	indra/cmake/CMakeLists.txt
#	indra/cmake/GoogleMock.cmake
#	indra/llaudio/llaudioengine_fmodstudio.cpp
#	indra/llaudio/llaudioengine_fmodstudio.h
#	indra/llaudio/lllistener_fmodstudio.cpp
#	indra/llaudio/lllistener_fmodstudio.h
#	indra/llaudio/llstreamingaudio_fmodstudio.cpp
#	indra/llaudio/llstreamingaudio_fmodstudio.h
#	indra/llcharacter/llmultigesture.cpp
#	indra/llcharacter/llmultigesture.h
#	indra/llimage/llimage.cpp
#	indra/llimage/llimagepng.cpp
#	indra/llimage/llimageworker.cpp
#	indra/llimage/tests/llimageworker_test.cpp
#	indra/llmessage/tests/llmockhttpclient.h
#	indra/llprimitive/llgltfmaterial.h
#	indra/llrender/llfontfreetype.cpp
#	indra/llui/llcombobox.cpp
#	indra/llui/llfolderview.cpp
#	indra/llui/llfolderviewmodel.h
#	indra/llui/lllineeditor.cpp
#	indra/llui/lllineeditor.h
#	indra/llui/lltextbase.cpp
#	indra/llui/lltextbase.h
#	indra/llui/lltexteditor.cpp
#	indra/llui/lltextvalidate.cpp
#	indra/llui/lltextvalidate.h
#	indra/llui/lluictrl.h
#	indra/llui/llview.cpp
#	indra/llwindow/llwindowmacosx.cpp
#	indra/newview/app_settings/settings.xml
#	indra/newview/llappearancemgr.cpp
#	indra/newview/llappearancemgr.h
#	indra/newview/llavatarpropertiesprocessor.cpp
#	indra/newview/llavatarpropertiesprocessor.h
#	indra/newview/llbreadcrumbview.cpp
#	indra/newview/llbreadcrumbview.h
#	indra/newview/llbreastmotion.cpp
#	indra/newview/llbreastmotion.h
#	indra/newview/llconversationmodel.h
#	indra/newview/lldensityctrl.cpp
#	indra/newview/lldensityctrl.h
#	indra/newview/llface.inl
#	indra/newview/llfloatereditsky.cpp
#	indra/newview/llfloatereditwater.cpp
#	indra/newview/llfloateremojipicker.h
#	indra/newview/llfloaterimsessiontab.cpp
#	indra/newview/llfloaterprofiletexture.cpp
#	indra/newview/llfloaterprofiletexture.h
#	indra/newview/llgesturemgr.cpp
#	indra/newview/llgesturemgr.h
#	indra/newview/llimpanel.cpp
#	indra/newview/llimpanel.h
#	indra/newview/llinventorybridge.cpp
#	indra/newview/llinventorybridge.h
#	indra/newview/llinventoryclipboard.cpp
#	indra/newview/llinventoryclipboard.h
#	indra/newview/llinventoryfunctions.cpp
#	indra/newview/llinventoryfunctions.h
#	indra/newview/llinventorygallery.cpp
#	indra/newview/lllistbrowser.cpp
#	indra/newview/lllistbrowser.h
#	indra/newview/llpanelobjectinventory.cpp
#	indra/newview/llpanelprofile.cpp
#	indra/newview/llpanelprofile.h
#	indra/newview/llpreviewgesture.cpp
#	indra/newview/llsavedsettingsglue.cpp
#	indra/newview/llsavedsettingsglue.h
#	indra/newview/lltooldraganddrop.cpp
#	indra/newview/llurllineeditorctrl.cpp
#	indra/newview/llvectorperfoptions.cpp
#	indra/newview/llvectorperfoptions.h
#	indra/newview/llviewerparceloverlay.cpp
#	indra/newview/llviewertexlayer.cpp
#	indra/newview/llviewertexturelist.cpp
#	indra/newview/macmain.h
#	indra/test/test.cpp

1 files changed, 671 insertions, 671 deletions

diff --git a/indra/newview/llhudeffectlookat.cpp b/indra/newview/llhudeffectlookat.cpp
index 10ac42a7a0..9e538be2cb 100644
--- a/indra/newview/llhudeffectlookat.cpp
+++ b/indra/newview/llhudeffectlookat.cpp
@@ -1,671 +1,671 @@
-/** 
- * @file llhudeffectlookat.cpp
- * @brief LLHUDEffectLookAt class implementation
- *
- * $LicenseInfo:firstyear=2002&license=viewerlgpl$
- * 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
- * $/LicenseInfo$
- */
-
-#include "llviewerprecompiledheaders.h"
-
-#include "llhudeffectlookat.h"
-
-#include "llrender.h"
-
-#include "message.h"
-#include "llagent.h"
-#include "llagentcamera.h"
-#include "llvoavatar.h"
-#include "lldrawable.h"
-#include "llviewerobjectlist.h"
-#include "llrendersphere.h"
-#include "llselectmgr.h"
-#include "llglheaders.h"
-#include "llxmltree.h"
-
-
-bool LLHUDEffectLookAt::sDebugLookAt = false;
-
-// packet layout
-const S32 SOURCE_AVATAR = 0;
-const S32 TARGET_OBJECT = 16;
-const S32 TARGET_POS = 32;
-const S32 LOOKAT_TYPE = 56;
-const S32 PKT_SIZE = 57;
-
-// throttle
-const F32 MAX_SENDS_PER_SEC = 4.f;
-
-const F32 MIN_DELTAPOS_FOR_UPDATE_SQUARED = 0.05f * 0.05f;
-const F32 MIN_TARGET_OFFSET_SQUARED = 0.0001f;
-
-
-// can't use actual F32_MAX, because we add this to the current frametime
-const F32 MAX_TIMEOUT = F32_MAX / 2.f;
-
-/**
- * Simple data class holding values for a particular type of attention.
- */
-class LLAttention
-{
-public:
-	LLAttention()
-		: mTimeout(0.f),
-		  mPriority(0.f)
-	{}
-	LLAttention(F32 timeout, F32 priority, const std::string& name, LLColor3 color) :
-	  mTimeout(timeout), mPriority(priority), mName(name), mColor(color)
-	{
-	}
-	F32 mTimeout, mPriority;
-	std::string mName;
-	LLColor3 mColor;
-};
-
-/**
- * Simple data class holding a list of attentions, one for every type.
- */
-class LLAttentionSet
-{
-public:
-	LLAttentionSet(const LLAttention attentions[])
-	{
-		for(int i=0; i<LOOKAT_NUM_TARGETS; i++)
-		{
-			mAttentions[i] = attentions[i];
-		}
-	}
-	LLAttention mAttentions[LOOKAT_NUM_TARGETS];
-	LLAttention& operator[](int idx) { return mAttentions[idx]; }
-};
-
-// Default attribute set data.
-// Used to initialize the global attribute set objects, one of which will be
-// refered to by the hud object at any given time.
-// Note that the values below are only the default values and that any or all of them
-// can be overwritten with customizing data from the XML file. The actual values below
-// are those that will give exactly the same look-at behavior as before the ability
-// to customize was added. - MG
-static const 
-	LLAttention 
-		BOY_ATTS[] = { // default set of masculine attentions
-			LLAttention(MAX_TIMEOUT, 0, "None",			 LLColor3(0.3f, 0.3f, 0.3f)), // LOOKAT_TARGET_NONE
-			LLAttention(3.f,         1, "Idle",		     LLColor3(0.5f, 0.5f, 0.5f)), // LOOKAT_TARGET_IDLE
-			LLAttention(4.f,         3, "AutoListen",	 LLColor3(0.5f, 0.5f, 0.5f)), // LOOKAT_TARGET_AUTO_LISTEN
-			LLAttention(2.f,         2, "FreeLook",		 LLColor3(0.5f, 0.5f, 0.9f)), // LOOKAT_TARGET_FREELOOK
-			LLAttention(4.f,         3, "Respond",	     LLColor3(0.0f, 0.0f, 0.0f)), // LOOKAT_TARGET_RESPOND
-			LLAttention(1.f,         4, "Hover",		 LLColor3(0.5f, 0.9f, 0.5f)), // LOOKAT_TARGET_HOVER
-			LLAttention(MAX_TIMEOUT, 0, "Conversation",  LLColor3(0.1f, 0.1f, 0.5f)), // LOOKAT_TARGET_CONVERSATION
-			LLAttention(MAX_TIMEOUT, 6, "Select",		 LLColor3(0.9f, 0.5f, 0.5f)), // LOOKAT_TARGET_SELECT
-			LLAttention(MAX_TIMEOUT, 6, "Focus",		 LLColor3(0.9f, 0.5f, 0.9f)), // LOOKAT_TARGET_FOCUS
-			LLAttention(MAX_TIMEOUT, 7, "Mouselook",	 LLColor3(0.9f, 0.9f, 0.5f)), // LOOKAT_TARGET_MOUSELOOK
-			LLAttention(0.f,         8, "Clear",		 LLColor3(1.0f, 1.0f, 1.0f)), // LOOKAT_TARGET_CLEAR
-		},																				
-		GIRL_ATTS[] = { // default set of feminine attentions													
-			LLAttention(MAX_TIMEOUT, 0, "None",			 LLColor3(0.3f, 0.3f, 0.3f)), // LOOKAT_TARGET_NONE
-			LLAttention(3.f,         1, "Idle",		     LLColor3(0.5f, 0.5f, 0.5f)), // LOOKAT_TARGET_IDLE
-			LLAttention(4.f,         3, "AutoListen",	 LLColor3(0.5f, 0.5f, 0.5f)), // LOOKAT_TARGET_AUTO_LISTEN
-			LLAttention(2.f,         2, "FreeLook",		 LLColor3(0.5f, 0.5f, 0.9f)), // LOOKAT_TARGET_FREELOOK
-			LLAttention(4.f,         3, "Respond",	     LLColor3(0.0f, 0.0f, 0.0f)), // LOOKAT_TARGET_RESPOND
-			LLAttention(1.f,         4, "Hover",		 LLColor3(0.5f, 0.9f, 0.5f)), // LOOKAT_TARGET_HOVER
-			LLAttention(MAX_TIMEOUT, 0, "Conversation",  LLColor3(0.1f, 0.1f, 0.5f)), // LOOKAT_TARGET_CONVERSATION
-			LLAttention(MAX_TIMEOUT, 6, "Select",		 LLColor3(0.9f, 0.5f, 0.5f)), // LOOKAT_TARGET_SELECT
-			LLAttention(MAX_TIMEOUT, 6, "Focus",		 LLColor3(0.9f, 0.5f, 0.9f)), // LOOKAT_TARGET_FOCUS
-			LLAttention(MAX_TIMEOUT, 7, "Mouselook",	 LLColor3(0.9f, 0.9f, 0.5f)), // LOOKAT_TARGET_MOUSELOOK
-			LLAttention(0.f,         8, "Clear",		 LLColor3(1.0f, 1.0f, 1.0f)), // LOOKAT_TARGET_CLEAR
-		};
-
-static LLAttentionSet
-	gBoyAttentions(BOY_ATTS),
-	gGirlAttentions(GIRL_ATTS);
-
-
-static bool loadGender(LLXmlTreeNode* gender)
-{
-	if( !gender)
-	{
-		return false;
-	}
-	std::string str;
-	gender->getAttributeString("name", str);
-	LLAttentionSet& attentions = (str.compare("Masculine") == 0) ? gBoyAttentions : gGirlAttentions;
-	for (LLXmlTreeNode* attention_node = gender->getChildByName( "param" );
-		 attention_node;
-		 attention_node = gender->getNextNamedChild())
-	{
-		attention_node->getAttributeString("attention", str);
-		LLAttention* attention;
-		if     (str == "idle")         attention = &attentions[LOOKAT_TARGET_IDLE];
-		else if(str == "auto_listen")  attention = &attentions[LOOKAT_TARGET_AUTO_LISTEN];
-		else if(str == "freelook")     attention = &attentions[LOOKAT_TARGET_FREELOOK];
-		else if(str == "respond")      attention = &attentions[LOOKAT_TARGET_RESPOND];
-		else if(str == "hover")        attention = &attentions[LOOKAT_TARGET_HOVER];
-		else if(str == "conversation") attention = &attentions[LOOKAT_TARGET_CONVERSATION];
-		else if(str == "select")       attention = &attentions[LOOKAT_TARGET_SELECT];
-		else if(str == "focus")        attention = &attentions[LOOKAT_TARGET_FOCUS];
-		else if(str == "mouselook")    attention = &attentions[LOOKAT_TARGET_MOUSELOOK];
-		else return false;
-
-		F32 priority, timeout;
-		attention_node->getAttributeF32("priority", priority);
-		attention_node->getAttributeF32("timeout", timeout);
-		if(timeout < 0) timeout = MAX_TIMEOUT;
-		attention->mPriority = priority;
-		attention->mTimeout = timeout;
-	}	
-	return true;
-}
-
-static bool loadAttentions()
-{
-	static bool first_time = true;
-	if( ! first_time) 
-	{
-		return true; // maybe not ideal but otherwise it can continue to fail forever.
-	}
-	first_time = false;
-	
-	std::string filename;
-	filename = gDirUtilp->getExpandedFilename(LL_PATH_CHARACTER,"attentions.xml");
-	LLXmlTree xml_tree;
-	bool success = xml_tree.parseFile( filename, false );
-	if( !success )
-	{
-		return false;
-	}
-	LLXmlTreeNode* root = xml_tree.getRoot();
-	if( !root )
-	{
-		return false;
-	}
-
-	//-------------------------------------------------------------------------
-	// <linden_attentions version="1.0"> (root)
-	//-------------------------------------------------------------------------
-	if( !root->hasName( "linden_attentions" ) )
-	{
-		LL_WARNS() << "Invalid linden_attentions file header: " << filename << LL_ENDL;
-		return false;
-	}
-
-	std::string version;
-	static LLStdStringHandle version_string = LLXmlTree::addAttributeString("version");
-	if( !root->getFastAttributeString( version_string, version ) || (version != "1.0") )
-	{
-		LL_WARNS() << "Invalid linden_attentions file version: " << version << LL_ENDL;
-		return false;
-	}
-
-	//-------------------------------------------------------------------------
-	// <gender>
-	//-------------------------------------------------------------------------
-	for (LLXmlTreeNode* child = root->getChildByName( "gender" );
-		 child;
-		 child = root->getNextNamedChild())
-	{
-		if( !loadGender( child ) )
-		{
-			return false;
-		}
-	}
-
-	return true;
-}
-
-
-
-
-//-----------------------------------------------------------------------------
-// LLHUDEffectLookAt()
-//-----------------------------------------------------------------------------
-LLHUDEffectLookAt::LLHUDEffectLookAt(const U8 type) : 
-	LLHUDEffect(type), 
-	mKillTime(0.f),
-	mLastSendTime(0.f)
-{
-	clearLookAtTarget();
-	// parse the default sets
-	loadAttentions();
-	// initialize current attention set. switches when avatar sex changes.
-	mAttentions = &gGirlAttentions;
-}
-
-//-----------------------------------------------------------------------------
-// ~LLHUDEffectLookAt()
-//-----------------------------------------------------------------------------
-LLHUDEffectLookAt::~LLHUDEffectLookAt()
-{
-}
-
-//-----------------------------------------------------------------------------
-// packData()
-//-----------------------------------------------------------------------------
-void LLHUDEffectLookAt::packData(LLMessageSystem *mesgsys)
-{
-	// Pack the default data
-	LLHUDEffect::packData(mesgsys);
-
-	// Pack the type-specific data.  Uses a fun packed binary format.  Whee!
-	U8 packed_data[PKT_SIZE];
-	memset(packed_data, 0, PKT_SIZE);
-
-	if (mSourceObject)
-	{
-		htolememcpy(&(packed_data[SOURCE_AVATAR]), mSourceObject->mID.mData, MVT_LLUUID, 16);
-	}
-	else
-	{
-		htolememcpy(&(packed_data[SOURCE_AVATAR]), LLUUID::null.mData, MVT_LLUUID, 16);
-	}
-
-	// pack both target object and position
-	// position interpreted as offset if target object is non-null
-	if (mTargetObject)
-	{
-		htolememcpy(&(packed_data[TARGET_OBJECT]), mTargetObject->mID.mData, MVT_LLUUID, 16);
-	}
-	else
-	{
-		htolememcpy(&(packed_data[TARGET_OBJECT]), LLUUID::null.mData, MVT_LLUUID, 16);
-	}
-
-	htolememcpy(&(packed_data[TARGET_POS]), mTargetOffsetGlobal.mdV, MVT_LLVector3d, 24);
-
-	U8 lookAtTypePacked = (U8)mTargetType;
-	
-	htolememcpy(&(packed_data[LOOKAT_TYPE]), &lookAtTypePacked, MVT_U8, 1);
-
-	mesgsys->addBinaryDataFast(_PREHASH_TypeData, packed_data, PKT_SIZE);
-
-	mLastSendTime = mTimer.getElapsedTimeF32();
-}
-
-//-----------------------------------------------------------------------------
-// unpackData()
-//-----------------------------------------------------------------------------
-void LLHUDEffectLookAt::unpackData(LLMessageSystem *mesgsys, S32 blocknum)
-{
-	LLVector3d new_target;
-	U8 packed_data[PKT_SIZE];
-
-	LLUUID dataId;
-	mesgsys->getUUIDFast(_PREHASH_Effect, _PREHASH_ID, dataId, blocknum);
-
-	if (!gAgentCamera.mLookAt.isNull() && dataId == gAgentCamera.mLookAt->getID())
-	{
-		return;
-	}
-
-	LLHUDEffect::unpackData(mesgsys, blocknum);
-	LLUUID source_id;
-	LLUUID target_id;
-	S32 size = mesgsys->getSizeFast(_PREHASH_Effect, blocknum, _PREHASH_TypeData);
-	if (size != PKT_SIZE)
-	{
-		LL_WARNS() << "LookAt effect with bad size " << size << LL_ENDL;
-		return;
-	}
-	mesgsys->getBinaryDataFast(_PREHASH_Effect, _PREHASH_TypeData, packed_data, PKT_SIZE, blocknum);
-	
-	htolememcpy(source_id.mData, &(packed_data[SOURCE_AVATAR]), MVT_LLUUID, 16);
-
-	LLViewerObject *objp = gObjectList.findObject(source_id);
-	if (objp && objp->isAvatar())
-	{
-		setSourceObject(objp);
-	}
-	else
-	{
-		//LL_WARNS() << "Could not find source avatar for lookat effect" << LL_ENDL;
-		return;
-	}
-
-	htolememcpy(target_id.mData, &(packed_data[TARGET_OBJECT]), MVT_LLUUID, 16);
-
-	objp = gObjectList.findObject(target_id);
-
-	htolememcpy(new_target.mdV, &(packed_data[TARGET_POS]), MVT_LLVector3d, 24);
-
-	if (objp)
-	{
-		setTargetObjectAndOffset(objp, new_target);
-	}
-	else if (target_id.isNull())
-	{
-		setTargetPosGlobal(new_target);
-	}
-	else
-	{
-		//LL_WARNS() << "Could not find target object for lookat effect" << LL_ENDL;
-	}
-
-	U8 lookAtTypeUnpacked = 0;
-	htolememcpy(&lookAtTypeUnpacked, &(packed_data[LOOKAT_TYPE]), MVT_U8, 1);
-	mTargetType = (ELookAtType)lookAtTypeUnpacked;
-
-	if (mTargetType == LOOKAT_TARGET_NONE)
-	{
-		clearLookAtTarget();
-	}
-}
-
-//-----------------------------------------------------------------------------
-// setTargetObjectAndOffset()
-//-----------------------------------------------------------------------------
-void LLHUDEffectLookAt::setTargetObjectAndOffset(LLViewerObject *objp, LLVector3d offset)
-{
-	mTargetObject = objp;
-	mTargetOffsetGlobal = offset;
-}
-
-//-----------------------------------------------------------------------------
-// setTargetPosGlobal()
-//-----------------------------------------------------------------------------
-void LLHUDEffectLookAt::setTargetPosGlobal(const LLVector3d &target_pos_global)
-{
-	mTargetObject = NULL;
-	mTargetOffsetGlobal = target_pos_global;
-}
-
-//-----------------------------------------------------------------------------
-// setLookAt()
-// called by agent logic to set look at behavior locally, and propagate to sim
-//-----------------------------------------------------------------------------
-bool LLHUDEffectLookAt::setLookAt(ELookAtType target_type, LLViewerObject *object, LLVector3 position)
-{
-	if (!mSourceObject)
-	{
-		return false;
-	}
-	
-	if (target_type >= LOOKAT_NUM_TARGETS)
-	{
-		LL_WARNS() << "Bad target_type " << (int)target_type << " - ignoring." << LL_ENDL;
-		return false;
-	}
-
-	// must be same or higher priority than existing effect
-	if ((*mAttentions)[target_type].mPriority < (*mAttentions)[mTargetType].mPriority)
-	{
-		return false;
-	}
-
-	F32 current_time  = mTimer.getElapsedTimeF32();
-
-	// type of lookat behavior or target object has changed
-	bool lookAtChanged = (target_type != mTargetType) || (object != mTargetObject);
-
-	// lookat position has moved a certain amount and we haven't just sent an update
-	lookAtChanged = lookAtChanged || ((dist_vec_squared(position, mLastSentOffsetGlobal) > MIN_DELTAPOS_FOR_UPDATE_SQUARED) && 
-		((current_time - mLastSendTime) > (1.f / MAX_SENDS_PER_SEC)));
-
-	if (lookAtChanged)
-	{
-		mLastSentOffsetGlobal = position;
-		F32 timeout = (*mAttentions)[target_type].mTimeout;
-		setDuration(timeout);
-		setNeedsSendToSim(true);
-	}
- 
-	if (target_type == LOOKAT_TARGET_CLEAR)
-	{
-		clearLookAtTarget();
-	}
-	else
-	{
-		mTargetType = target_type;
-		mTargetObject = object;
-		if (object)
-		{
-			mTargetOffsetGlobal.setVec(position);
-		}
-		else
-		{
-			mTargetOffsetGlobal = gAgent.getPosGlobalFromAgent(position);
-		}
-		mKillTime = mTimer.getElapsedTimeF32() + mDuration;
-
-		update();
-	}
-	return true;
-}
-
-//-----------------------------------------------------------------------------
-// clearLookAtTarget()
-//-----------------------------------------------------------------------------
-void LLHUDEffectLookAt::clearLookAtTarget()
-{
-	mTargetObject = NULL;
-	mTargetOffsetGlobal.clearVec();
-	mTargetType = LOOKAT_TARGET_NONE;
-	if (mSourceObject.notNull())
-	{
-		((LLVOAvatar*)(LLViewerObject*)mSourceObject)->stopMotion(ANIM_AGENT_HEAD_ROT);
-	}
-}
-
-//-----------------------------------------------------------------------------
-// markDead()
-//-----------------------------------------------------------------------------
-void LLHUDEffectLookAt::markDead()
-{
-	if (mSourceObject.notNull())
-	{
-		((LLVOAvatar*)(LLViewerObject*)mSourceObject)->removeAnimationData("LookAtPoint");
-	}
-
-	mSourceObject = NULL;
-	clearLookAtTarget();
-	LLHUDEffect::markDead();
-}
-
-void LLHUDEffectLookAt::setSourceObject(LLViewerObject* objectp)
-{
-	// restrict source objects to avatars
-	if (objectp && objectp->isAvatar())
-	{
-		LLHUDEffect::setSourceObject(objectp);
-	}
-}
-
-//-----------------------------------------------------------------------------
-// render()
-//-----------------------------------------------------------------------------
-void LLHUDEffectLookAt::render()
-{
-	if (sDebugLookAt && mSourceObject.notNull())
-	{
-		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-
-		//LLGLDisable gls_stencil(GL_STENCIL_TEST);
-
-		LLVector3 target = mTargetPos + ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->mHeadp->getWorldPosition();
-		gGL.matrixMode(LLRender::MM_MODELVIEW);
-		gGL.pushMatrix();
-		gGL.translatef(target.mV[VX], target.mV[VY], target.mV[VZ]);
-		gGL.scalef(0.3f, 0.3f, 0.3f);
-		gGL.begin(LLRender::LINES);
-		{
-			LLColor3 color = (*mAttentions)[mTargetType].mColor;
-			gGL.color3f(color.mV[VRED], color.mV[VGREEN], color.mV[VBLUE]);
-			gGL.vertex3f(-1.f, 0.f, 0.f);
-			gGL.vertex3f(1.f, 0.f, 0.f);
-
-			gGL.vertex3f(0.f, -1.f, 0.f);
-			gGL.vertex3f(0.f, 1.f, 0.f);
-
-			gGL.vertex3f(0.f, 0.f, -1.f);
-			gGL.vertex3f(0.f, 0.f, 1.f);
-		} gGL.end();
-		gGL.popMatrix();
-	}
-}
-
-//-----------------------------------------------------------------------------
-// update()
-//-----------------------------------------------------------------------------
-void LLHUDEffectLookAt::update()
-{
-	// If the target object is dead, set the target object to NULL
-	if (!mTargetObject.isNull() && mTargetObject->isDead())
-	{
-		clearLookAtTarget();
-	}
-
-	// if source avatar is null or dead, mark self as dead and return
-	if (mSourceObject.isNull() || mSourceObject->isDead())
-	{
-		markDead();
-		return;
-	}
-
-	// make sure the proper set of avatar attention are currently being used.
-	LLVOAvatar* source_avatar = (LLVOAvatar*)(LLViewerObject*)mSourceObject;
-	// for now the first cut will just switch on sex. future development could adjust 
-	// timeouts according to avatar age and/or other features. 
-	mAttentions = (source_avatar->getSex() == SEX_MALE) ? &gBoyAttentions : &gGirlAttentions;
-	//printf("updated to %s\n", (source_avatar->getSex() == SEX_MALE) ? "male" : "female");
-
-	F32 time = mTimer.getElapsedTimeF32();
-
-	// clear out the effect if time is up
-	if (mKillTime != 0.f && time > mKillTime)
-	{
-		if (mTargetType != LOOKAT_TARGET_NONE)
-		{
-			clearLookAtTarget();
-			// look at timed out (only happens on own avatar), so tell everyone
-			setNeedsSendToSim(true);
-		}
-	}
-
-	if (mTargetType != LOOKAT_TARGET_NONE)
-	{
-		if (calcTargetPosition())
-		{
-			LLMotion* head_motion = ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->findMotion(ANIM_AGENT_HEAD_ROT);
-			if (!head_motion || head_motion->isStopped())
-			{
-				((LLVOAvatar*)(LLViewerObject*)mSourceObject)->startMotion(ANIM_AGENT_HEAD_ROT);
-			}
-		}
-	}
-
-	if (sDebugLookAt)
-	{
-		((LLVOAvatar*)(LLViewerObject*)mSourceObject)->addDebugText((*mAttentions)[mTargetType].mName);
-	}
-}
-
-/**
- * Initializes the mTargetPos member from the current mSourceObjec and mTargetObject
- * (and possibly mTargetOffsetGlobal).
- * When mTargetObject is another avatar, it sets mTargetPos to be their eyes.
- * 
- * Has the side-effect of also calling setAnimationData("LookAtPoint") with the new
- * mTargetPos on the source object which is assumed to be an avatar.
- *
- * Returns whether we successfully calculated a finite target position.
- */
-bool LLHUDEffectLookAt::calcTargetPosition()
-{
-	LLViewerObject *target_obj = (LLViewerObject *)mTargetObject;
-	LLVector3 local_offset;
-	
-	if (target_obj)
-	{
-		local_offset.setVec(mTargetOffsetGlobal);
-	}
-	else
-	{
-		local_offset = gAgent.getPosAgentFromGlobal(mTargetOffsetGlobal);
-	}
-
-	LLVOAvatar* source_avatar = (LLVOAvatar*)(LLViewerObject*)mSourceObject;
-	if (!source_avatar->isBuilt())
-		return false;
-	
-	if (target_obj && target_obj->mDrawable.notNull())
-	{
-		LLQuaternion target_rot;
-		if (target_obj->isAvatar())
-		{
-			LLVOAvatar *target_av = (LLVOAvatar *)target_obj;
-
-			bool looking_at_self = source_avatar->isSelf() && target_av->isSelf();
-
-			// if selecting self, stare forward
-			if (looking_at_self && mTargetOffsetGlobal.magVecSquared() < MIN_TARGET_OFFSET_SQUARED)
-			{
-				//sets the lookat point in front of the avatar
-				mTargetOffsetGlobal.setVec(5.0, 0.0, 0.0);
-				local_offset.setVec(mTargetOffsetGlobal);
-			}
-
-			// look the other avatar in the eye. note: what happens if target is self? -MG
-			mTargetPos = target_av->mHeadp->getWorldPosition();
-			if (mTargetType == LOOKAT_TARGET_MOUSELOOK || mTargetType == LOOKAT_TARGET_FREELOOK)
-			{
-				// mouselook and freelook target offsets are absolute
-				target_rot = LLQuaternion::DEFAULT;
-			}
-			else if (looking_at_self && gAgentCamera.cameraCustomizeAvatar())
-			{
-				// *NOTE: We have to do this because animation
-				// overrides do not set lookat behavior.
-				// *TODO: animation overrides for lookat behavior.
-				target_rot = target_av->mPelvisp->getWorldRotation();
-			}
-			else
-			{
-				target_rot = target_av->mRoot->getWorldRotation();
-			}
-		}
-		else // target obj is not an avatar
-		{
-			if (target_obj->mDrawable->getGeneration() == -1)
-			{
-				mTargetPos = target_obj->getPositionAgent();
-				target_rot = target_obj->getWorldRotation();
-			}
-			else
-			{
-				mTargetPos = target_obj->getRenderPosition();
-				target_rot = target_obj->getRenderRotation();
-			}
-		}
-
-		mTargetPos += (local_offset * target_rot);
-	}
-	else // no target obj or it's not drawable
-	{
-		mTargetPos = local_offset;
-	}
-
-	mTargetPos -= source_avatar->mHeadp->getWorldPosition();
-
-	if (!mTargetPos.isFinite())
-		return false;
-
-	source_avatar->setAnimationData("LookAtPoint", (void *)&mTargetPos);
-
-	return true;
-}
+/**

+ * @file llhudeffectlookat.cpp

+ * @brief LLHUDEffectLookAt class implementation

+ *

+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$

+ * 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

+ * $/LicenseInfo$

+ */

+

+#include "llviewerprecompiledheaders.h"

+

+#include "llhudeffectlookat.h"

+

+#include "llrender.h"

+

+#include "message.h"

+#include "llagent.h"

+#include "llagentcamera.h"

+#include "llvoavatar.h"

+#include "lldrawable.h"

+#include "llviewerobjectlist.h"

+#include "llrendersphere.h"

+#include "llselectmgr.h"

+#include "llglheaders.h"

+#include "llxmltree.h"

+

+

+bool LLHUDEffectLookAt::sDebugLookAt = false;

+

+// packet layout

+const S32 SOURCE_AVATAR = 0;

+const S32 TARGET_OBJECT = 16;

+const S32 TARGET_POS = 32;

+const S32 LOOKAT_TYPE = 56;

+const S32 PKT_SIZE = 57;

+

+// throttle

+const F32 MAX_SENDS_PER_SEC = 4.f;

+

+const F32 MIN_DELTAPOS_FOR_UPDATE_SQUARED = 0.05f * 0.05f;

+const F32 MIN_TARGET_OFFSET_SQUARED = 0.0001f;

+

+

+// can't use actual F32_MAX, because we add this to the current frametime

+const F32 MAX_TIMEOUT = F32_MAX / 2.f;

+

+/**

+ * Simple data class holding values for a particular type of attention.

+ */

+class LLAttention

+{

+public:

+    LLAttention()

+        : mTimeout(0.f),

+          mPriority(0.f)

+    {}

+    LLAttention(F32 timeout, F32 priority, const std::string& name, LLColor3 color) :

+      mTimeout(timeout), mPriority(priority), mName(name), mColor(color)

+    {

+    }

+    F32 mTimeout, mPriority;

+    std::string mName;

+    LLColor3 mColor;

+};

+

+/**

+ * Simple data class holding a list of attentions, one for every type.

+ */

+class LLAttentionSet

+{

+public:

+    LLAttentionSet(const LLAttention attentions[])

+    {

+        for(int i=0; i<LOOKAT_NUM_TARGETS; i++)

+        {

+            mAttentions[i] = attentions[i];

+        }

+    }

+    LLAttention mAttentions[LOOKAT_NUM_TARGETS];

+    LLAttention& operator[](int idx) { return mAttentions[idx]; }

+};

+

+// Default attribute set data.

+// Used to initialize the global attribute set objects, one of which will be

+// refered to by the hud object at any given time.

+// Note that the values below are only the default values and that any or all of them

+// can be overwritten with customizing data from the XML file. The actual values below

+// are those that will give exactly the same look-at behavior as before the ability

+// to customize was added. - MG

+static const

+    LLAttention

+        BOY_ATTS[] = { // default set of masculine attentions

+            LLAttention(MAX_TIMEOUT, 0, "None",          LLColor3(0.3f, 0.3f, 0.3f)), // LOOKAT_TARGET_NONE

+            LLAttention(3.f,         1, "Idle",          LLColor3(0.5f, 0.5f, 0.5f)), // LOOKAT_TARGET_IDLE

+            LLAttention(4.f,         3, "AutoListen",    LLColor3(0.5f, 0.5f, 0.5f)), // LOOKAT_TARGET_AUTO_LISTEN

+            LLAttention(2.f,         2, "FreeLook",      LLColor3(0.5f, 0.5f, 0.9f)), // LOOKAT_TARGET_FREELOOK

+            LLAttention(4.f,         3, "Respond",       LLColor3(0.0f, 0.0f, 0.0f)), // LOOKAT_TARGET_RESPOND

+            LLAttention(1.f,         4, "Hover",         LLColor3(0.5f, 0.9f, 0.5f)), // LOOKAT_TARGET_HOVER

+            LLAttention(MAX_TIMEOUT, 0, "Conversation",  LLColor3(0.1f, 0.1f, 0.5f)), // LOOKAT_TARGET_CONVERSATION

+            LLAttention(MAX_TIMEOUT, 6, "Select",        LLColor3(0.9f, 0.5f, 0.5f)), // LOOKAT_TARGET_SELECT

+            LLAttention(MAX_TIMEOUT, 6, "Focus",         LLColor3(0.9f, 0.5f, 0.9f)), // LOOKAT_TARGET_FOCUS

+            LLAttention(MAX_TIMEOUT, 7, "Mouselook",     LLColor3(0.9f, 0.9f, 0.5f)), // LOOKAT_TARGET_MOUSELOOK

+            LLAttention(0.f,         8, "Clear",         LLColor3(1.0f, 1.0f, 1.0f)), // LOOKAT_TARGET_CLEAR

+        },

+        GIRL_ATTS[] = { // default set of feminine attentions

+            LLAttention(MAX_TIMEOUT, 0, "None",          LLColor3(0.3f, 0.3f, 0.3f)), // LOOKAT_TARGET_NONE

+            LLAttention(3.f,         1, "Idle",          LLColor3(0.5f, 0.5f, 0.5f)), // LOOKAT_TARGET_IDLE

+            LLAttention(4.f,         3, "AutoListen",    LLColor3(0.5f, 0.5f, 0.5f)), // LOOKAT_TARGET_AUTO_LISTEN

+            LLAttention(2.f,         2, "FreeLook",      LLColor3(0.5f, 0.5f, 0.9f)), // LOOKAT_TARGET_FREELOOK

+            LLAttention(4.f,         3, "Respond",       LLColor3(0.0f, 0.0f, 0.0f)), // LOOKAT_TARGET_RESPOND

+            LLAttention(1.f,         4, "Hover",         LLColor3(0.5f, 0.9f, 0.5f)), // LOOKAT_TARGET_HOVER

+            LLAttention(MAX_TIMEOUT, 0, "Conversation",  LLColor3(0.1f, 0.1f, 0.5f)), // LOOKAT_TARGET_CONVERSATION

+            LLAttention(MAX_TIMEOUT, 6, "Select",        LLColor3(0.9f, 0.5f, 0.5f)), // LOOKAT_TARGET_SELECT

+            LLAttention(MAX_TIMEOUT, 6, "Focus",         LLColor3(0.9f, 0.5f, 0.9f)), // LOOKAT_TARGET_FOCUS

+            LLAttention(MAX_TIMEOUT, 7, "Mouselook",     LLColor3(0.9f, 0.9f, 0.5f)), // LOOKAT_TARGET_MOUSELOOK

+            LLAttention(0.f,         8, "Clear",         LLColor3(1.0f, 1.0f, 1.0f)), // LOOKAT_TARGET_CLEAR

+        };

+

+static LLAttentionSet

+    gBoyAttentions(BOY_ATTS),

+    gGirlAttentions(GIRL_ATTS);

+

+

+static bool loadGender(LLXmlTreeNode* gender)

+{

+    if( !gender)

+    {

+        return false;

+    }

+    std::string str;

+    gender->getAttributeString("name", str);

+    LLAttentionSet& attentions = (str.compare("Masculine") == 0) ? gBoyAttentions : gGirlAttentions;

+    for (LLXmlTreeNode* attention_node = gender->getChildByName( "param" );

+         attention_node;

+         attention_node = gender->getNextNamedChild())

+    {

+        attention_node->getAttributeString("attention", str);

+        LLAttention* attention;

+        if     (str == "idle")         attention = &attentions[LOOKAT_TARGET_IDLE];

+        else if(str == "auto_listen")  attention = &attentions[LOOKAT_TARGET_AUTO_LISTEN];

+        else if(str == "freelook")     attention = &attentions[LOOKAT_TARGET_FREELOOK];

+        else if(str == "respond")      attention = &attentions[LOOKAT_TARGET_RESPOND];

+        else if(str == "hover")        attention = &attentions[LOOKAT_TARGET_HOVER];

+        else if(str == "conversation") attention = &attentions[LOOKAT_TARGET_CONVERSATION];

+        else if(str == "select")       attention = &attentions[LOOKAT_TARGET_SELECT];

+        else if(str == "focus")        attention = &attentions[LOOKAT_TARGET_FOCUS];

+        else if(str == "mouselook")    attention = &attentions[LOOKAT_TARGET_MOUSELOOK];

+        else return false;

+

+        F32 priority, timeout;

+        attention_node->getAttributeF32("priority", priority);

+        attention_node->getAttributeF32("timeout", timeout);

+        if(timeout < 0) timeout = MAX_TIMEOUT;

+        attention->mPriority = priority;

+        attention->mTimeout = timeout;

+    }

+    return true;

+}

+

+static bool loadAttentions()

+{

+    static bool first_time = true;

+    if( ! first_time)

+    {

+        return true; // maybe not ideal but otherwise it can continue to fail forever.

+    }

+    first_time = false;

+

+    std::string filename;

+    filename = gDirUtilp->getExpandedFilename(LL_PATH_CHARACTER,"attentions.xml");

+    LLXmlTree xml_tree;

+    bool success = xml_tree.parseFile( filename, false );

+    if( !success )

+    {

+        return false;

+    }

+    LLXmlTreeNode* root = xml_tree.getRoot();

+    if( !root )

+    {

+        return false;

+    }

+

+    //-------------------------------------------------------------------------

+    // <linden_attentions version="1.0"> (root)

+    //-------------------------------------------------------------------------

+    if( !root->hasName( "linden_attentions" ) )

+    {

+        LL_WARNS() << "Invalid linden_attentions file header: " << filename << LL_ENDL;

+        return false;

+    }

+

+    std::string version;

+    static LLStdStringHandle version_string = LLXmlTree::addAttributeString("version");

+    if( !root->getFastAttributeString( version_string, version ) || (version != "1.0") )

+    {

+        LL_WARNS() << "Invalid linden_attentions file version: " << version << LL_ENDL;

+        return false;

+    }

+

+    //-------------------------------------------------------------------------

+    // <gender>

+    //-------------------------------------------------------------------------

+    for (LLXmlTreeNode* child = root->getChildByName( "gender" );

+         child;

+         child = root->getNextNamedChild())

+    {

+        if( !loadGender( child ) )

+        {

+            return false;

+        }

+    }

+

+    return true;

+}

+

+

+

+

+//-----------------------------------------------------------------------------

+// LLHUDEffectLookAt()

+//-----------------------------------------------------------------------------

+LLHUDEffectLookAt::LLHUDEffectLookAt(const U8 type) :

+    LLHUDEffect(type),

+    mKillTime(0.f),

+    mLastSendTime(0.f)

+{

+    clearLookAtTarget();

+    // parse the default sets

+    loadAttentions();

+    // initialize current attention set. switches when avatar sex changes.

+    mAttentions = &gGirlAttentions;

+}

+

+//-----------------------------------------------------------------------------

+// ~LLHUDEffectLookAt()

+//-----------------------------------------------------------------------------

+LLHUDEffectLookAt::~LLHUDEffectLookAt()

+{

+}

+

+//-----------------------------------------------------------------------------

+// packData()

+//-----------------------------------------------------------------------------

+void LLHUDEffectLookAt::packData(LLMessageSystem *mesgsys)

+{

+    // Pack the default data

+    LLHUDEffect::packData(mesgsys);

+

+    // Pack the type-specific data.  Uses a fun packed binary format.  Whee!

+    U8 packed_data[PKT_SIZE];

+    memset(packed_data, 0, PKT_SIZE);

+

+    if (mSourceObject)

+    {

+        htolememcpy(&(packed_data[SOURCE_AVATAR]), mSourceObject->mID.mData, MVT_LLUUID, 16);

+    }

+    else

+    {

+        htolememcpy(&(packed_data[SOURCE_AVATAR]), LLUUID::null.mData, MVT_LLUUID, 16);

+    }

+

+    // pack both target object and position

+    // position interpreted as offset if target object is non-null

+    if (mTargetObject)

+    {

+        htolememcpy(&(packed_data[TARGET_OBJECT]), mTargetObject->mID.mData, MVT_LLUUID, 16);

+    }

+    else

+    {

+        htolememcpy(&(packed_data[TARGET_OBJECT]), LLUUID::null.mData, MVT_LLUUID, 16);

+    }

+

+    htolememcpy(&(packed_data[TARGET_POS]), mTargetOffsetGlobal.mdV, MVT_LLVector3d, 24);

+

+    U8 lookAtTypePacked = (U8)mTargetType;

+

+    htolememcpy(&(packed_data[LOOKAT_TYPE]), &lookAtTypePacked, MVT_U8, 1);

+

+    mesgsys->addBinaryDataFast(_PREHASH_TypeData, packed_data, PKT_SIZE);

+

+    mLastSendTime = mTimer.getElapsedTimeF32();

+}

+

+//-----------------------------------------------------------------------------

+// unpackData()

+//-----------------------------------------------------------------------------

+void LLHUDEffectLookAt::unpackData(LLMessageSystem *mesgsys, S32 blocknum)

+{

+    LLVector3d new_target;

+    U8 packed_data[PKT_SIZE];

+

+    LLUUID dataId;

+    mesgsys->getUUIDFast(_PREHASH_Effect, _PREHASH_ID, dataId, blocknum);

+

+    if (!gAgentCamera.mLookAt.isNull() && dataId == gAgentCamera.mLookAt->getID())

+    {

+        return;

+    }

+

+    LLHUDEffect::unpackData(mesgsys, blocknum);

+    LLUUID source_id;

+    LLUUID target_id;

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

+    if (size != PKT_SIZE)

+    {

+        LL_WARNS() << "LookAt effect with bad size " << size << LL_ENDL;

+        return;

+    }

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

+

+    htolememcpy(source_id.mData, &(packed_data[SOURCE_AVATAR]), MVT_LLUUID, 16);

+

+    LLViewerObject *objp = gObjectList.findObject(source_id);

+    if (objp && objp->isAvatar())

+    {

+        setSourceObject(objp);

+    }

+    else

+    {

+        //LL_WARNS() << "Could not find source avatar for lookat effect" << LL_ENDL;

+        return;

+    }

+

+    htolememcpy(target_id.mData, &(packed_data[TARGET_OBJECT]), MVT_LLUUID, 16);

+

+    objp = gObjectList.findObject(target_id);

+

+    htolememcpy(new_target.mdV, &(packed_data[TARGET_POS]), MVT_LLVector3d, 24);

+

+    if (objp)

+    {

+        setTargetObjectAndOffset(objp, new_target);

+    }

+    else if (target_id.isNull())

+    {

+        setTargetPosGlobal(new_target);

+    }

+    else

+    {

+        //LL_WARNS() << "Could not find target object for lookat effect" << LL_ENDL;

+    }

+

+    U8 lookAtTypeUnpacked = 0;

+    htolememcpy(&lookAtTypeUnpacked, &(packed_data[LOOKAT_TYPE]), MVT_U8, 1);

+    mTargetType = (ELookAtType)lookAtTypeUnpacked;

+

+    if (mTargetType == LOOKAT_TARGET_NONE)

+    {

+        clearLookAtTarget();

+    }

+}

+

+//-----------------------------------------------------------------------------

+// setTargetObjectAndOffset()

+//-----------------------------------------------------------------------------

+void LLHUDEffectLookAt::setTargetObjectAndOffset(LLViewerObject *objp, LLVector3d offset)

+{

+    mTargetObject = objp;

+    mTargetOffsetGlobal = offset;

+}

+

+//-----------------------------------------------------------------------------

+// setTargetPosGlobal()

+//-----------------------------------------------------------------------------

+void LLHUDEffectLookAt::setTargetPosGlobal(const LLVector3d &target_pos_global)

+{

+    mTargetObject = NULL;

+    mTargetOffsetGlobal = target_pos_global;

+}

+

+//-----------------------------------------------------------------------------

+// setLookAt()

+// called by agent logic to set look at behavior locally, and propagate to sim

+//-----------------------------------------------------------------------------

+bool LLHUDEffectLookAt::setLookAt(ELookAtType target_type, LLViewerObject *object, LLVector3 position)

+{

+    if (!mSourceObject)

+    {

+        return false;

+    }

+

+    if (target_type >= LOOKAT_NUM_TARGETS)

+    {

+        LL_WARNS() << "Bad target_type " << (int)target_type << " - ignoring." << LL_ENDL;

+        return false;

+    }

+

+    // must be same or higher priority than existing effect

+    if ((*mAttentions)[target_type].mPriority < (*mAttentions)[mTargetType].mPriority)

+    {

+        return false;

+    }

+

+    F32 current_time  = mTimer.getElapsedTimeF32();

+

+    // type of lookat behavior or target object has changed

+    bool lookAtChanged = (target_type != mTargetType) || (object != mTargetObject);

+

+    // lookat position has moved a certain amount and we haven't just sent an update

+    lookAtChanged = lookAtChanged || ((dist_vec_squared(position, mLastSentOffsetGlobal) > MIN_DELTAPOS_FOR_UPDATE_SQUARED) &&

+        ((current_time - mLastSendTime) > (1.f / MAX_SENDS_PER_SEC)));

+

+    if (lookAtChanged)

+    {

+        mLastSentOffsetGlobal = position;

+        F32 timeout = (*mAttentions)[target_type].mTimeout;

+        setDuration(timeout);

+        setNeedsSendToSim(true);

+    }

+

+    if (target_type == LOOKAT_TARGET_CLEAR)

+    {

+        clearLookAtTarget();

+    }

+    else

+    {

+        mTargetType = target_type;

+        mTargetObject = object;

+        if (object)

+        {

+            mTargetOffsetGlobal.setVec(position);

+        }

+        else

+        {

+            mTargetOffsetGlobal = gAgent.getPosGlobalFromAgent(position);

+        }

+        mKillTime = mTimer.getElapsedTimeF32() + mDuration;

+

+        update();

+    }

+    return true;

+}

+

+//-----------------------------------------------------------------------------

+// clearLookAtTarget()

+//-----------------------------------------------------------------------------

+void LLHUDEffectLookAt::clearLookAtTarget()

+{

+    mTargetObject = NULL;

+    mTargetOffsetGlobal.clearVec();

+    mTargetType = LOOKAT_TARGET_NONE;

+    if (mSourceObject.notNull())

+    {

+        ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->stopMotion(ANIM_AGENT_HEAD_ROT);

+    }

+}

+

+//-----------------------------------------------------------------------------

+// markDead()

+//-----------------------------------------------------------------------------

+void LLHUDEffectLookAt::markDead()

+{

+    if (mSourceObject.notNull())

+    {

+        ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->removeAnimationData("LookAtPoint");

+    }

+

+    mSourceObject = NULL;

+    clearLookAtTarget();

+    LLHUDEffect::markDead();

+}

+

+void LLHUDEffectLookAt::setSourceObject(LLViewerObject* objectp)

+{

+    // restrict source objects to avatars

+    if (objectp && objectp->isAvatar())

+    {

+        LLHUDEffect::setSourceObject(objectp);

+    }

+}

+

+//-----------------------------------------------------------------------------

+// render()

+//-----------------------------------------------------------------------------

+void LLHUDEffectLookAt::render()

+{

+    if (sDebugLookAt && mSourceObject.notNull())

+    {

+        gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);

+

+        //LLGLDisable gls_stencil(GL_STENCIL_TEST);

+

+        LLVector3 target = mTargetPos + ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->mHeadp->getWorldPosition();

+        gGL.matrixMode(LLRender::MM_MODELVIEW);

+        gGL.pushMatrix();

+        gGL.translatef(target.mV[VX], target.mV[VY], target.mV[VZ]);

+        gGL.scalef(0.3f, 0.3f, 0.3f);

+        gGL.begin(LLRender::LINES);

+        {

+            LLColor3 color = (*mAttentions)[mTargetType].mColor;

+            gGL.color3f(color.mV[VRED], color.mV[VGREEN], color.mV[VBLUE]);

+            gGL.vertex3f(-1.f, 0.f, 0.f);

+            gGL.vertex3f(1.f, 0.f, 0.f);

+

+            gGL.vertex3f(0.f, -1.f, 0.f);

+            gGL.vertex3f(0.f, 1.f, 0.f);

+

+            gGL.vertex3f(0.f, 0.f, -1.f);

+            gGL.vertex3f(0.f, 0.f, 1.f);

+        } gGL.end();

+        gGL.popMatrix();

+    }

+}

+

+//-----------------------------------------------------------------------------

+// update()

+//-----------------------------------------------------------------------------

+void LLHUDEffectLookAt::update()

+{

+    // If the target object is dead, set the target object to NULL

+    if (!mTargetObject.isNull() && mTargetObject->isDead())

+    {

+        clearLookAtTarget();

+    }

+

+    // if source avatar is null or dead, mark self as dead and return

+    if (mSourceObject.isNull() || mSourceObject->isDead())

+    {

+        markDead();

+        return;

+    }

+

+    // make sure the proper set of avatar attention are currently being used.

+    LLVOAvatar* source_avatar = (LLVOAvatar*)(LLViewerObject*)mSourceObject;

+    // for now the first cut will just switch on sex. future development could adjust

+    // timeouts according to avatar age and/or other features.

+    mAttentions = (source_avatar->getSex() == SEX_MALE) ? &gBoyAttentions : &gGirlAttentions;

+    //printf("updated to %s\n", (source_avatar->getSex() == SEX_MALE) ? "male" : "female");

+

+    F32 time = mTimer.getElapsedTimeF32();

+

+    // clear out the effect if time is up

+    if (mKillTime != 0.f && time > mKillTime)

+    {

+        if (mTargetType != LOOKAT_TARGET_NONE)

+        {

+            clearLookAtTarget();

+            // look at timed out (only happens on own avatar), so tell everyone

+            setNeedsSendToSim(true);

+        }

+    }

+

+    if (mTargetType != LOOKAT_TARGET_NONE)

+    {

+        if (calcTargetPosition())

+        {

+            LLMotion* head_motion = ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->findMotion(ANIM_AGENT_HEAD_ROT);

+            if (!head_motion || head_motion->isStopped())

+            {

+                ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->startMotion(ANIM_AGENT_HEAD_ROT);

+            }

+        }

+    }

+

+    if (sDebugLookAt)

+    {

+        ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->addDebugText((*mAttentions)[mTargetType].mName);

+    }

+}

+

+/**

+ * Initializes the mTargetPos member from the current mSourceObjec and mTargetObject

+ * (and possibly mTargetOffsetGlobal).

+ * When mTargetObject is another avatar, it sets mTargetPos to be their eyes.

+ *

+ * Has the side-effect of also calling setAnimationData("LookAtPoint") with the new

+ * mTargetPos on the source object which is assumed to be an avatar.

+ *

+ * Returns whether we successfully calculated a finite target position.

+ */

+bool LLHUDEffectLookAt::calcTargetPosition()

+{

+    LLViewerObject *target_obj = (LLViewerObject *)mTargetObject;

+    LLVector3 local_offset;

+

+    if (target_obj)

+    {

+        local_offset.setVec(mTargetOffsetGlobal);

+    }

+    else

+    {

+        local_offset = gAgent.getPosAgentFromGlobal(mTargetOffsetGlobal);

+    }

+

+    LLVOAvatar* source_avatar = (LLVOAvatar*)(LLViewerObject*)mSourceObject;

+    if (!source_avatar->isBuilt())

+        return false;

+

+    if (target_obj && target_obj->mDrawable.notNull())

+    {

+        LLQuaternion target_rot;

+        if (target_obj->isAvatar())

+        {

+            LLVOAvatar *target_av = (LLVOAvatar *)target_obj;

+

+            bool looking_at_self = source_avatar->isSelf() && target_av->isSelf();

+

+            // if selecting self, stare forward

+            if (looking_at_self && mTargetOffsetGlobal.magVecSquared() < MIN_TARGET_OFFSET_SQUARED)

+            {

+                //sets the lookat point in front of the avatar

+                mTargetOffsetGlobal.setVec(5.0, 0.0, 0.0);

+                local_offset.setVec(mTargetOffsetGlobal);

+            }

+

+            // look the other avatar in the eye. note: what happens if target is self? -MG

+            mTargetPos = target_av->mHeadp->getWorldPosition();

+            if (mTargetType == LOOKAT_TARGET_MOUSELOOK || mTargetType == LOOKAT_TARGET_FREELOOK)

+            {

+                // mouselook and freelook target offsets are absolute

+                target_rot = LLQuaternion::DEFAULT;

+            }

+            else if (looking_at_self && gAgentCamera.cameraCustomizeAvatar())

+            {

+                // *NOTE: We have to do this because animation

+                // overrides do not set lookat behavior.

+                // *TODO: animation overrides for lookat behavior.

+                target_rot = target_av->mPelvisp->getWorldRotation();

+            }

+            else

+            {

+                target_rot = target_av->mRoot->getWorldRotation();

+            }

+        }

+        else // target obj is not an avatar

+        {

+            if (target_obj->mDrawable->getGeneration() == -1)

+            {

+                mTargetPos = target_obj->getPositionAgent();

+                target_rot = target_obj->getWorldRotation();

+            }

+            else

+            {

+                mTargetPos = target_obj->getRenderPosition();

+                target_rot = target_obj->getRenderRotation();

+            }

+        }

+

+        mTargetPos += (local_offset * target_rot);

+    }

+    else // no target obj or it's not drawable

+    {

+        mTargetPos = local_offset;

+    }

+

+    mTargetPos -= source_avatar->mHeadp->getWorldPosition();

+

+    if (!mTargetPos.isFinite())

+        return false;

+

+    source_avatar->setAnimationData("LookAtPoint", (void *)&mTargetPos);

+

+    return true;

+}