merge changes for 3.5.2-release

1 files changed, 1953 insertions, 0 deletions

diff --git a/indra/llappearance/llavatarappearance.cpp b/indra/llappearance/llavatarappearance.cpp
new file mode 100644
index 0000000000..3bb759d458
--- /dev/null
+++ b/indra/llappearance/llavatarappearance.cpp
@@ -0,0 +1,1953 @@
+/** 
+ * @File llavatarappearance.cpp
+ * @brief Implementation of LLAvatarAppearance class
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#if LL_MSVC
+// disable warning about boost::lexical_cast returning uninitialized data
+// when it fails to parse the string
+#pragma warning (disable:4701)
+#endif
+
+#include "linden_common.h"
+
+#include "llavatarappearance.h"
+#include "llavatarappearancedefines.h"
+#include "llavatarjointmesh.h"
+#include "imageids.h"
+#include "lldir.h"
+#include "lldeleteutils.h"
+#include "llpolymorph.h"
+#include "llpolymesh.h"
+#include "llpolyskeletaldistortion.h"
+#include "llstl.h"
+#include "lltexglobalcolor.h"
+#include "llwearabledata.h"
+
+
+#if LL_MSVC
+// disable boost::lexical_cast warning
+#pragma warning (disable:4702)
+#endif
+
+#include <boost/lexical_cast.hpp>
+
+using namespace LLAvatarAppearanceDefines;
+
+//-----------------------------------------------------------------------------
+// Constants
+//-----------------------------------------------------------------------------
+
+const std::string AVATAR_DEFAULT_CHAR = "avatar";
+const LLColor4 DUMMY_COLOR = LLColor4(0.5,0.5,0.5,1.0);
+
+/*********************************************************************************
+ **                                                                             **
+ ** Begin private LLAvatarAppearance Support classes
+ **
+ **/
+
+//------------------------------------------------------------------------
+// LLAvatarBoneInfo
+// Trans/Scale/Rot etc. info about each avatar bone.  Used by LLVOAvatarSkeleton.
+//------------------------------------------------------------------------
+class LLAvatarBoneInfo
+{
+	friend class LLAvatarAppearance;
+	friend class LLAvatarSkeletonInfo;
+public:
+	LLAvatarBoneInfo() : mIsJoint(FALSE) {}
+	~LLAvatarBoneInfo()
+	{
+		std::for_each(mChildList.begin(), mChildList.end(), DeletePointer());
+	}
+	BOOL parseXml(LLXmlTreeNode* node);
+	
+private:
+	std::string mName;
+	BOOL mIsJoint;
+	LLVector3 mPos;
+	LLVector3 mRot;
+	LLVector3 mScale;
+	LLVector3 mPivot;
+	typedef std::vector<LLAvatarBoneInfo*> child_list_t;
+	child_list_t mChildList;
+};
+
+//------------------------------------------------------------------------
+// LLAvatarSkeletonInfo
+// Overall avatar skeleton
+//------------------------------------------------------------------------
+class LLAvatarSkeletonInfo
+{
+	friend class LLAvatarAppearance;
+public:
+	LLAvatarSkeletonInfo() :
+		mNumBones(0), mNumCollisionVolumes(0) {}
+	~LLAvatarSkeletonInfo()
+	{
+		std::for_each(mBoneInfoList.begin(), mBoneInfoList.end(), DeletePointer());
+	}
+	BOOL parseXml(LLXmlTreeNode* node);
+	S32 getNumBones() const { return mNumBones; }
+	S32 getNumCollisionVolumes() const { return mNumCollisionVolumes; }
+	
+private:
+	S32 mNumBones;
+	S32 mNumCollisionVolumes;
+	typedef std::vector<LLAvatarBoneInfo*> bone_info_list_t;
+	bone_info_list_t mBoneInfoList;
+};
+
+//-----------------------------------------------------------------------------
+// LLAvatarXmlInfo
+//-----------------------------------------------------------------------------
+
+LLAvatarAppearance::LLAvatarXmlInfo::LLAvatarXmlInfo()
+	: mTexSkinColorInfo(0), mTexHairColorInfo(0), mTexEyeColorInfo(0)
+{
+}
+
+LLAvatarAppearance::LLAvatarXmlInfo::~LLAvatarXmlInfo()
+{
+	std::for_each(mMeshInfoList.begin(), mMeshInfoList.end(), DeletePointer());
+	std::for_each(mSkeletalDistortionInfoList.begin(), mSkeletalDistortionInfoList.end(), DeletePointer());		
+	std::for_each(mAttachmentInfoList.begin(), mAttachmentInfoList.end(), DeletePointer());
+	deleteAndClear(mTexSkinColorInfo);
+	deleteAndClear(mTexHairColorInfo);
+	deleteAndClear(mTexEyeColorInfo);
+	std::for_each(mLayerInfoList.begin(), mLayerInfoList.end(), DeletePointer());		
+	std::for_each(mDriverInfoList.begin(), mDriverInfoList.end(), DeletePointer());
+	std::for_each(mMorphMaskInfoList.begin(), mMorphMaskInfoList.end(), DeletePointer());
+}
+
+
+/**
+ **
+ ** End LLAvatarAppearance Support classes
+ **                                                                             **
+ *********************************************************************************/
+
+//-----------------------------------------------------------------------------
+// Static Data
+//-----------------------------------------------------------------------------
+LLXmlTree LLAvatarAppearance::sXMLTree;
+LLXmlTree LLAvatarAppearance::sSkeletonXMLTree;
+LLAvatarSkeletonInfo* LLAvatarAppearance::sAvatarSkeletonInfo = NULL;
+LLAvatarAppearance::LLAvatarXmlInfo* LLAvatarAppearance::sAvatarXmlInfo = NULL;
+
+
+LLAvatarAppearance::LLAvatarAppearance(LLWearableData* wearable_data) :
+	LLCharacter(),
+	mIsDummy(FALSE),
+	mTexSkinColor( NULL ),
+	mTexHairColor( NULL ),
+	mTexEyeColor( NULL ),
+	mPelvisToFoot(0.f),
+	mHeadOffset(),
+	mRoot(NULL),
+	mWearableData(wearable_data)
+{
+	llassert_always(mWearableData);
+	mBakedTextureDatas.resize(LLAvatarAppearanceDefines::BAKED_NUM_INDICES);
+	for (U32 i = 0; i < mBakedTextureDatas.size(); i++ )
+	{
+		mBakedTextureDatas[i].mLastTextureID = IMG_DEFAULT_AVATAR;
+		mBakedTextureDatas[i].mTexLayerSet = NULL;
+		mBakedTextureDatas[i].mIsLoaded = false;
+		mBakedTextureDatas[i].mIsUsed = false;
+		mBakedTextureDatas[i].mMaskTexName = 0;
+		mBakedTextureDatas[i].mTextureIndex = LLAvatarAppearanceDefines::LLAvatarAppearanceDictionary::bakedToLocalTextureIndex((LLAvatarAppearanceDefines::EBakedTextureIndex)i);
+	}
+
+	mIsBuilt = FALSE;
+
+	mNumCollisionVolumes = 0;
+	mCollisionVolumes = NULL;
+}
+
+// virtual
+void LLAvatarAppearance::initInstance()
+{
+	//-------------------------------------------------------------------------
+	// initialize joint, mesh and shape members
+	//-------------------------------------------------------------------------
+	mRoot = createAvatarJoint();
+	mRoot->setName( "mRoot" );
+
+	for (LLAvatarAppearanceDictionary::MeshEntries::const_iterator iter = LLAvatarAppearanceDictionary::getInstance()->getMeshEntries().begin();
+		 iter != LLAvatarAppearanceDictionary::getInstance()->getMeshEntries().end();
+		 ++iter)
+	{
+		const EMeshIndex mesh_index = iter->first;
+		const LLAvatarAppearanceDictionary::MeshEntry *mesh_dict = iter->second;
+		LLAvatarJoint* joint = createAvatarJoint();
+		joint->setName(mesh_dict->mName);
+		joint->setMeshID(mesh_index);
+		mMeshLOD.push_back(joint);
+		
+		/* mHairLOD.setName("mHairLOD");
+		   mHairMesh0.setName("mHairMesh0");
+		   mHairMesh0.setMeshID(MESH_ID_HAIR);
+		   mHairMesh1.setName("mHairMesh1"); */
+		for (U32 lod = 0; lod < mesh_dict->mLOD; lod++)
+		{
+			LLAvatarJointMesh* mesh = createAvatarJointMesh();
+			std::string mesh_name = "m" + mesh_dict->mName + boost::lexical_cast<std::string>(lod);
+			// We pre-pended an m - need to capitalize first character for camelCase
+			mesh_name[1] = toupper(mesh_name[1]);
+			mesh->setName(mesh_name);
+			mesh->setMeshID(mesh_index);
+			mesh->setPickName(mesh_dict->mPickName);
+			mesh->setIsTransparent(FALSE);
+			switch((int)mesh_index)
+			{
+				case MESH_ID_HAIR:
+					mesh->setIsTransparent(TRUE);
+					break;
+				case MESH_ID_SKIRT:
+					mesh->setIsTransparent(TRUE);
+					break;
+				case MESH_ID_EYEBALL_LEFT:
+				case MESH_ID_EYEBALL_RIGHT:
+					mesh->setSpecular( LLColor4( 1.0f, 1.0f, 1.0f, 1.0f ), 1.f );
+					break;
+			}
+			
+			joint->mMeshParts.push_back(mesh);
+		}
+	}
+
+	//-------------------------------------------------------------------------
+	// associate baked textures with meshes
+	//-------------------------------------------------------------------------
+	for (LLAvatarAppearanceDictionary::MeshEntries::const_iterator iter = LLAvatarAppearanceDictionary::getInstance()->getMeshEntries().begin();
+		 iter != LLAvatarAppearanceDictionary::getInstance()->getMeshEntries().end();
+		 ++iter)
+	{
+		const EMeshIndex mesh_index = iter->first;
+		const LLAvatarAppearanceDictionary::MeshEntry *mesh_dict = iter->second;
+		const EBakedTextureIndex baked_texture_index = mesh_dict->mBakedID;
+		// Skip it if there's no associated baked texture.
+		if (baked_texture_index == BAKED_NUM_INDICES) continue;
+		
+		for (avatar_joint_mesh_list_t::iterator iter = mMeshLOD[mesh_index]->mMeshParts.begin();
+			 iter != mMeshLOD[mesh_index]->mMeshParts.end(); 
+			 ++iter)
+		{
+			LLAvatarJointMesh* mesh = (*iter);
+			mBakedTextureDatas[(int)baked_texture_index].mJointMeshes.push_back(mesh);
+		}
+	}
+
+	buildCharacter();
+
+}
+
+// virtual
+LLAvatarAppearance::~LLAvatarAppearance()
+{
+	deleteAndClear(mTexSkinColor);
+	deleteAndClear(mTexHairColor);
+	deleteAndClear(mTexEyeColor);
+
+	for (U32 i = 0; i < mBakedTextureDatas.size(); i++)
+	{
+		deleteAndClear(mBakedTextureDatas[i].mTexLayerSet);
+		mBakedTextureDatas[i].mJointMeshes.clear();
+
+		for (morph_list_t::iterator iter2 = mBakedTextureDatas[i].mMaskedMorphs.begin();
+			 iter2 != mBakedTextureDatas[i].mMaskedMorphs.end(); iter2++)
+		{
+			LLMaskedMorph* masked_morph = (*iter2);
+			delete masked_morph;
+		}
+	}
+
+	if (mRoot) mRoot->removeAllChildren();
+	mJointMap.clear();
+
+	clearSkeleton();
+	deleteAndClearArray(mCollisionVolumes);
+
+	deleteAndClear(mTexSkinColor);
+	deleteAndClear(mTexHairColor);
+	deleteAndClear(mTexEyeColor);
+
+	std::for_each(mPolyMeshes.begin(), mPolyMeshes.end(), DeletePairedPointer());
+	mPolyMeshes.clear();
+
+	for (avatar_joint_list_t::iterator jointIter = mMeshLOD.begin();
+		 jointIter != mMeshLOD.end(); 
+		 ++jointIter)
+	{
+		LLAvatarJoint* joint = *jointIter;
+		std::for_each(joint->mMeshParts.begin(), joint->mMeshParts.end(), DeletePointer());
+		joint->mMeshParts.clear();
+	}
+	std::for_each(mMeshLOD.begin(), mMeshLOD.end(), DeletePointer());
+	mMeshLOD.clear();
+}
+
+//static
+void LLAvatarAppearance::initClass()
+{
+	std::string xmlFile;
+
+	xmlFile = gDirUtilp->getExpandedFilename(LL_PATH_CHARACTER,AVATAR_DEFAULT_CHAR) + "_lad.xml";
+	BOOL success = sXMLTree.parseFile( xmlFile, FALSE );
+	if (!success)
+	{
+		llerrs << "Problem reading avatar configuration file:" << xmlFile << llendl;
+	}
+
+	// now sanity check xml file
+	LLXmlTreeNode* root = sXMLTree.getRoot();
+	if (!root) 
+	{
+		llerrs << "No root node found in avatar configuration file: " << xmlFile << llendl;
+		return;
+	}
+
+	//-------------------------------------------------------------------------
+	// <linden_avatar version="1.0"> (root)
+	//-------------------------------------------------------------------------
+	if( !root->hasName( "linden_avatar" ) )
+	{
+		llerrs << "Invalid avatar file header: " << xmlFile << llendl;
+	}
+	
+	std::string version;
+	static LLStdStringHandle version_string = LLXmlTree::addAttributeString("version");
+	if( !root->getFastAttributeString( version_string, version ) || (version != "1.0") )
+	{
+		llerrs << "Invalid avatar file version: " << version << " in file: " << xmlFile << llendl;
+	}
+
+	S32 wearable_def_version = 1;
+	static LLStdStringHandle wearable_definition_version_string = LLXmlTree::addAttributeString("wearable_definition_version");
+	root->getFastAttributeS32( wearable_definition_version_string, wearable_def_version );
+	LLWearable::setCurrentDefinitionVersion( wearable_def_version );
+
+	std::string mesh_file_name;
+
+	LLXmlTreeNode* skeleton_node = root->getChildByName( "skeleton" );
+	if (!skeleton_node)
+	{
+		llerrs << "No skeleton in avatar configuration file: " << xmlFile << llendl;
+		return;
+	}
+	
+	std::string skeleton_file_name;
+	static LLStdStringHandle file_name_string = LLXmlTree::addAttributeString("file_name");
+	if (!skeleton_node->getFastAttributeString(file_name_string, skeleton_file_name))
+	{
+		llerrs << "No file name in skeleton node in avatar config file: " << xmlFile << llendl;
+	}
+	
+	std::string skeleton_path;
+	skeleton_path = gDirUtilp->getExpandedFilename(LL_PATH_CHARACTER,skeleton_file_name);
+	if (!parseSkeletonFile(skeleton_path))
+	{
+		llerrs << "Error parsing skeleton file: " << skeleton_path << llendl;
+	}
+
+	// Process XML data
+
+	// avatar_skeleton.xml
+	if (sAvatarSkeletonInfo)
+	{ //this can happen if a login attempt failed
+		delete sAvatarSkeletonInfo;
+	}
+	sAvatarSkeletonInfo = new LLAvatarSkeletonInfo;
+	if (!sAvatarSkeletonInfo->parseXml(sSkeletonXMLTree.getRoot()))
+	{
+		llerrs << "Error parsing skeleton XML file: " << skeleton_path << llendl;
+	}
+	// parse avatar_lad.xml
+	if (sAvatarXmlInfo)
+	{ //this can happen if a login attempt failed
+		deleteAndClear(sAvatarXmlInfo);
+	}
+	sAvatarXmlInfo = new LLAvatarXmlInfo;
+	if (!sAvatarXmlInfo->parseXmlSkeletonNode(root))
+	{
+		llerrs << "Error parsing skeleton node in avatar XML file: " << skeleton_path << llendl;
+	}
+	if (!sAvatarXmlInfo->parseXmlMeshNodes(root))
+	{
+		llerrs << "Error parsing skeleton node in avatar XML file: " << skeleton_path << llendl;
+	}
+	if (!sAvatarXmlInfo->parseXmlColorNodes(root))
+	{
+		llerrs << "Error parsing skeleton node in avatar XML file: " << skeleton_path << llendl;
+	}
+	if (!sAvatarXmlInfo->parseXmlLayerNodes(root))
+	{
+		llerrs << "Error parsing skeleton node in avatar XML file: " << skeleton_path << llendl;
+	}
+	if (!sAvatarXmlInfo->parseXmlDriverNodes(root))
+	{
+		llerrs << "Error parsing skeleton node in avatar XML file: " << skeleton_path << llendl;
+	}
+	if (!sAvatarXmlInfo->parseXmlMorphNodes(root))
+	{
+		llerrs << "Error parsing skeleton node in avatar XML file: " << skeleton_path << llendl;
+	}
+}
+
+void LLAvatarAppearance::cleanupClass()
+{
+	deleteAndClear(sAvatarXmlInfo);
+	// *TODO: What about sAvatarSkeletonInfo ???
+	sSkeletonXMLTree.cleanup();
+	sXMLTree.cleanup();
+}
+
+using namespace LLAvatarAppearanceDefines;
+
+//------------------------------------------------------------------------
+// The viewer can only suggest a good size for the agent,
+// the simulator will keep it inside a reasonable range.
+void LLAvatarAppearance::computeBodySize() 
+{
+	LLVector3 pelvis_scale = mPelvisp->getScale();
+
+	// some of the joints have not been cached
+	LLVector3 skull = mSkullp->getPosition();
+	//LLVector3 skull_scale = mSkullp->getScale();
+
+	LLVector3 neck = mNeckp->getPosition();
+	LLVector3 neck_scale = mNeckp->getScale();
+
+	LLVector3 chest = mChestp->getPosition();
+	LLVector3 chest_scale = mChestp->getScale();
+
+	// the rest of the joints have been cached
+	LLVector3 head = mHeadp->getPosition();
+	LLVector3 head_scale = mHeadp->getScale();
+
+	LLVector3 torso = mTorsop->getPosition();
+	LLVector3 torso_scale = mTorsop->getScale();
+
+	LLVector3 hip = mHipLeftp->getPosition();
+	LLVector3 hip_scale = mHipLeftp->getScale();
+
+	LLVector3 knee = mKneeLeftp->getPosition();
+	LLVector3 knee_scale = mKneeLeftp->getScale();
+
+	LLVector3 ankle = mAnkleLeftp->getPosition();
+	LLVector3 ankle_scale = mAnkleLeftp->getScale();
+
+	LLVector3 foot  = mFootLeftp->getPosition();
+
+	F32 old_offset = mAvatarOffset.mV[VZ];
+
+	mAvatarOffset.mV[VZ] = getVisualParamWeight(AVATAR_HOVER);
+
+	mPelvisToFoot = hip.mV[VZ] * pelvis_scale.mV[VZ] -
+				 	knee.mV[VZ] * hip_scale.mV[VZ] -
+				 	ankle.mV[VZ] * knee_scale.mV[VZ] -
+				 	foot.mV[VZ] * ankle_scale.mV[VZ];
+
+	LLVector3 new_body_size;
+	new_body_size.mV[VZ] = mPelvisToFoot +
+					   // the sqrt(2) correction below is an approximate
+					   // correction to get to the top of the head
+					   F_SQRT2 * (skull.mV[VZ] * head_scale.mV[VZ]) + 
+					   head.mV[VZ] * neck_scale.mV[VZ] + 
+					   neck.mV[VZ] * chest_scale.mV[VZ] + 
+					   chest.mV[VZ] * torso_scale.mV[VZ] + 
+					   torso.mV[VZ] * pelvis_scale.mV[VZ]; 
+
+	// TODO -- measure the real depth and width
+	new_body_size.mV[VX] = DEFAULT_AGENT_DEPTH;
+	new_body_size.mV[VY] = DEFAULT_AGENT_WIDTH;
+
+	mAvatarOffset.mV[VX] = 0.0f;
+	mAvatarOffset.mV[VY] = 0.0f;
+
+	// Certain configurations of avatars can force the overall height (with offset) to go negative.
+	// Enforce a constraint to make sure we don't go below 0.1 meters.
+	// Camera positioning and other things start to break down when your avatar is "walking" while being fully underground
+	if (new_body_size.mV[VZ] + mAvatarOffset.mV[VZ] < 0.1f) 
+	{
+		mAvatarOffset.mV[VZ] = -(new_body_size.mV[VZ] - 0.11f); // avoid floating point rounding making the above check continue to fail.
+
+		llassert(new_body_size.mV[VZ] + mAvatarOffset.mV[VZ] >= 0.1f);
+
+		if (mWearableData && isSelf()) 
+		{
+			LLWearable* shape = mWearableData->getWearable(LLWearableType::WT_SHAPE, 0);
+			if (shape) 
+			{
+				shape->setVisualParamWeight(AVATAR_HOVER, mAvatarOffset.mV[VZ], false);
+			}
+		}
+	}
+
+	if (new_body_size != mBodySize || old_offset != mAvatarOffset.mV[VZ])
+	{
+		mBodySize = new_body_size;
+		bodySizeChanged();
+	}
+}
+
+//-----------------------------------------------------------------------------
+// parseSkeletonFile()
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::parseSkeletonFile(const std::string& filename)
+{
+	//-------------------------------------------------------------------------
+	// parse the file
+	//-------------------------------------------------------------------------
+	BOOL parsesuccess = sSkeletonXMLTree.parseFile( filename, FALSE );
+
+	if (!parsesuccess)
+	{
+		llerrs << "Can't parse skeleton file: " << filename << llendl;
+		return FALSE;
+	}
+
+	// now sanity check xml file
+	LLXmlTreeNode* root = sSkeletonXMLTree.getRoot();
+	if (!root) 
+	{
+		llerrs << "No root node found in avatar skeleton file: " << filename << llendl;
+		return FALSE;
+	}
+
+	if( !root->hasName( "linden_skeleton" ) )
+	{
+		llerrs << "Invalid avatar skeleton file header: " << filename << llendl;
+		return FALSE;
+	}
+
+	std::string version;
+	static LLStdStringHandle version_string = LLXmlTree::addAttributeString("version");
+	if( !root->getFastAttributeString( version_string, version ) || (version != "1.0") )
+	{
+		llerrs << "Invalid avatar skeleton file version: " << version << " in file: " << filename << llendl;
+		return FALSE;
+	}
+
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// setupBone()
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::setupBone(const LLAvatarBoneInfo* info, LLJoint* parent, S32 &volume_num, S32 &joint_num)
+{
+	LLJoint* joint = NULL;
+
+	if (info->mIsJoint)
+	{
+		joint = getCharacterJoint(joint_num);
+		if (!joint)
+		{
+			llwarns << "Too many bones" << llendl;
+			return FALSE;
+		}
+		joint->setName( info->mName );
+	}
+	else // collision volume
+	{
+		if (volume_num >= (S32)mNumCollisionVolumes)
+		{
+			llwarns << "Too many bones" << llendl;
+			return FALSE;
+		}
+		joint = (&mCollisionVolumes[volume_num]);
+		joint->setName( info->mName );
+	}
+
+	// add to parent
+	if (parent)
+	{
+		parent->addChild( joint );
+	}
+
+	joint->setPosition(info->mPos);
+	joint->setRotation(mayaQ(info->mRot.mV[VX], info->mRot.mV[VY],
+							 info->mRot.mV[VZ], LLQuaternion::XYZ));
+	joint->setScale(info->mScale);
+
+	joint->setDefaultFromCurrentXform();
+	
+	if (info->mIsJoint)
+	{
+		joint->setSkinOffset( info->mPivot );
+		joint_num++;
+	}
+	else // collision volume
+	{
+		volume_num++;
+	}
+
+	// setup children
+	LLAvatarBoneInfo::child_list_t::const_iterator iter;
+	for (iter = info->mChildList.begin(); iter != info->mChildList.end(); ++iter)
+	{
+		LLAvatarBoneInfo *child_info = *iter;
+		if (!setupBone(child_info, joint, volume_num, joint_num))
+		{
+			return FALSE;
+		}
+	}
+
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// allocateCharacterJoints()
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::allocateCharacterJoints( U32 num )
+{
+	clearSkeleton();
+
+	for(S32 joint_num = 0; joint_num < (S32)num; joint_num++)
+	{
+		mSkeleton.push_back(createAvatarJoint(joint_num));
+	}
+
+	return TRUE;
+}
+
+
+//-----------------------------------------------------------------------------
+// buildSkeleton()
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::buildSkeleton(const LLAvatarSkeletonInfo *info)
+{
+	//-------------------------------------------------------------------------
+	// allocate joints
+	//-------------------------------------------------------------------------
+	if (!allocateCharacterJoints(info->mNumBones))
+	{
+		llerrs << "Can't allocate " << info->mNumBones << " joints" << llendl;
+		return FALSE;
+	}
+	
+	//-------------------------------------------------------------------------
+	// allocate volumes
+	//-------------------------------------------------------------------------
+	if (info->mNumCollisionVolumes)
+	{
+		if (!allocateCollisionVolumes(info->mNumCollisionVolumes))
+		{
+			llerrs << "Can't allocate " << info->mNumCollisionVolumes << " collision volumes" << llendl;
+			return FALSE;
+		}
+	}
+
+	S32 current_joint_num = 0;
+	S32 current_volume_num = 0;
+	LLAvatarSkeletonInfo::bone_info_list_t::const_iterator iter;
+	for (iter = info->mBoneInfoList.begin(); iter != info->mBoneInfoList.end(); ++iter)
+	{
+		LLAvatarBoneInfo *info = *iter;
+		if (!setupBone(info, NULL, current_volume_num, current_joint_num))
+		{
+			llerrs << "Error parsing bone in skeleton file" << llendl;
+			return FALSE;
+		}
+	}
+
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// clearSkeleton()
+//-----------------------------------------------------------------------------
+void LLAvatarAppearance::clearSkeleton()
+{
+	std::for_each(mSkeleton.begin(), mSkeleton.end(), DeletePointer());
+	mSkeleton.clear();
+}
+
+//-----------------------------------------------------------------------------
+// LLAvatarAppearance::buildCharacter()
+// Deferred initialization and rebuild of the avatar.
+//-----------------------------------------------------------------------------
+void LLAvatarAppearance::buildCharacter()
+{
+	//-------------------------------------------------------------------------
+	// remove all references to our existing skeleton
+	// so we can rebuild it
+	//-------------------------------------------------------------------------
+	flushAllMotions();
+
+	//-------------------------------------------------------------------------
+	// remove all of mRoot's children
+	//-------------------------------------------------------------------------
+	mRoot->removeAllChildren();
+	mJointMap.clear();
+	mIsBuilt = FALSE;
+
+	//-------------------------------------------------------------------------
+	// clear mesh data
+	//-------------------------------------------------------------------------
+	for (avatar_joint_list_t::iterator jointIter = mMeshLOD.begin();
+		 jointIter != mMeshLOD.end(); ++jointIter)
+	{
+		LLAvatarJoint* joint = *jointIter;
+		for (avatar_joint_mesh_list_t::iterator meshIter = joint->mMeshParts.begin();
+			 meshIter != joint->mMeshParts.end(); ++meshIter)
+		{
+			LLAvatarJointMesh * mesh = *meshIter;
+			mesh->setMesh(NULL);
+		}
+	}
+
+	//-------------------------------------------------------------------------
+	// (re)load our skeleton and meshes
+	//-------------------------------------------------------------------------
+	LLTimer timer;
+
+	BOOL status = loadAvatar();
+	stop_glerror();
+
+// 	gPrintMessagesThisFrame = TRUE;
+	lldebugs << "Avatar load took " << timer.getElapsedTimeF32() << " seconds." << llendl;
+
+	if (!status)
+	{
+		if (isSelf())
+		{
+			llerrs << "Unable to load user's avatar" << llendl;
+		}
+		else
+		{
+			llwarns << "Unable to load other's avatar" << llendl;
+		}
+		return;
+	}
+
+	//-------------------------------------------------------------------------
+	// initialize "well known" joint pointers
+	//-------------------------------------------------------------------------
+	mPelvisp		= mRoot->findJoint("mPelvis");
+	mTorsop			= mRoot->findJoint("mTorso");
+	mChestp			= mRoot->findJoint("mChest");
+	mNeckp			= mRoot->findJoint("mNeck");
+	mHeadp			= mRoot->findJoint("mHead");
+	mSkullp			= mRoot->findJoint("mSkull");
+	mHipLeftp		= mRoot->findJoint("mHipLeft");
+	mHipRightp		= mRoot->findJoint("mHipRight");
+	mKneeLeftp		= mRoot->findJoint("mKneeLeft");
+	mKneeRightp		= mRoot->findJoint("mKneeRight");
+	mAnkleLeftp		= mRoot->findJoint("mAnkleLeft");
+	mAnkleRightp	= mRoot->findJoint("mAnkleRight");
+	mFootLeftp		= mRoot->findJoint("mFootLeft");
+	mFootRightp		= mRoot->findJoint("mFootRight");
+	mWristLeftp		= mRoot->findJoint("mWristLeft");
+	mWristRightp	= mRoot->findJoint("mWristRight");
+	mEyeLeftp		= mRoot->findJoint("mEyeLeft");
+	mEyeRightp		= mRoot->findJoint("mEyeRight");
+
+	//-------------------------------------------------------------------------
+	// Make sure "well known" pointers exist
+	//-------------------------------------------------------------------------
+	if (!(mPelvisp && 
+		  mTorsop &&
+		  mChestp &&
+		  mNeckp &&
+		  mHeadp &&
+		  mSkullp &&
+		  mHipLeftp &&
+		  mHipRightp &&
+		  mKneeLeftp &&
+		  mKneeRightp &&
+		  mAnkleLeftp &&
+		  mAnkleRightp &&
+		  mFootLeftp &&
+		  mFootRightp &&
+		  mWristLeftp &&
+		  mWristRightp &&
+		  mEyeLeftp &&
+		  mEyeRightp))
+	{
+		llerrs << "Failed to create avatar." << llendl;
+		return;
+	}
+
+	//-------------------------------------------------------------------------
+	// initialize the pelvis
+	//-------------------------------------------------------------------------
+	mPelvisp->setPosition( LLVector3(0.0f, 0.0f, 0.0f) );
+
+	mIsBuilt = TRUE;
+	stop_glerror();
+
+}
+
+BOOL LLAvatarAppearance::loadAvatar()
+{
+// 	LLFastTimer t(FTM_LOAD_AVATAR);
+	
+	// avatar_skeleton.xml
+	if( !buildSkeleton(sAvatarSkeletonInfo) )
+	{
+		llwarns << "avatar file: buildSkeleton() failed" << llendl;
+		return FALSE;
+	}
+
+	// avatar_lad.xml : <skeleton>
+	if( !loadSkeletonNode() )
+	{
+		llwarns << "avatar file: loadNodeSkeleton() failed" << llendl;
+		return FALSE;
+	}
+	
+	// avatar_lad.xml : <mesh>
+	if( !loadMeshNodes() )
+	{
+		llwarns << "avatar file: loadNodeMesh() failed" << llendl;
+		return FALSE;
+	}
+	
+	// avatar_lad.xml : <global_color>
+	if( sAvatarXmlInfo->mTexSkinColorInfo )
+	{
+		mTexSkinColor = new LLTexGlobalColor( this );
+		if( !mTexSkinColor->setInfo( sAvatarXmlInfo->mTexSkinColorInfo ) )
+		{
+			llwarns << "avatar file: mTexSkinColor->setInfo() failed" << llendl;
+			return FALSE;
+		}
+	}
+	else
+	{
+		llwarns << "<global_color> name=\"skin_color\" not found" << llendl;
+		return FALSE;
+	}
+	if( sAvatarXmlInfo->mTexHairColorInfo )
+	{
+		mTexHairColor = new LLTexGlobalColor( this );
+		if( !mTexHairColor->setInfo( sAvatarXmlInfo->mTexHairColorInfo ) )
+		{
+			llwarns << "avatar file: mTexHairColor->setInfo() failed" << llendl;
+			return FALSE;
+		}
+	}
+	else
+	{
+		llwarns << "<global_color> name=\"hair_color\" not found" << llendl;
+		return FALSE;
+	}
+	if( sAvatarXmlInfo->mTexEyeColorInfo )
+	{
+		mTexEyeColor = new LLTexGlobalColor( this );
+		if( !mTexEyeColor->setInfo( sAvatarXmlInfo->mTexEyeColorInfo ) )
+		{
+			llwarns << "avatar file: mTexEyeColor->setInfo() failed" << llendl;
+			return FALSE;
+		}
+	}
+	else
+	{
+		llwarns << "<global_color> name=\"eye_color\" not found" << llendl;
+		return FALSE;
+	}
+	
+	// avatar_lad.xml : <layer_set>
+	if (sAvatarXmlInfo->mLayerInfoList.empty())
+	{
+		llwarns << "avatar file: missing <layer_set> node" << llendl;
+		return FALSE;
+	}
+
+	if (sAvatarXmlInfo->mMorphMaskInfoList.empty())
+	{
+		llwarns << "avatar file: missing <morph_masks> node" << llendl;
+		return FALSE;
+	}
+
+	// avatar_lad.xml : <morph_masks>
+	for (LLAvatarXmlInfo::morph_info_list_t::iterator iter = sAvatarXmlInfo->mMorphMaskInfoList.begin();
+		 iter != sAvatarXmlInfo->mMorphMaskInfoList.end();
+		 ++iter)
+	{
+		LLAvatarXmlInfo::LLAvatarMorphInfo *info = *iter;
+
+		EBakedTextureIndex baked = LLAvatarAppearanceDictionary::findBakedByRegionName(info->mRegion); 
+		if (baked != BAKED_NUM_INDICES)
+		{
+			LLVisualParam* morph_param;
+			const std::string *name = &info->mName;
+			morph_param = getVisualParam(name->c_str());
+			if (morph_param)
+			{
+				BOOL invert = info->mInvert;
+				addMaskedMorph(baked, morph_param, invert, info->mLayer);
+			}
+		}
+
+	}
+
+	loadLayersets();
+	
+	// avatar_lad.xml : <driver_parameters>
+	for (LLAvatarXmlInfo::driver_info_list_t::iterator iter = sAvatarXmlInfo->mDriverInfoList.begin();
+		 iter != sAvatarXmlInfo->mDriverInfoList.end(); 
+		 ++iter)
+	{
+		LLDriverParamInfo *info = *iter;
+		LLDriverParam* driver_param = new LLDriverParam( this );
+		if (driver_param->setInfo(info))
+		{
+			addVisualParam( driver_param );
+			driver_param->setParamLocation(isSelf() ? LOC_AV_SELF : LOC_AV_OTHER);
+			LLVisualParam*(LLAvatarAppearance::*avatar_function)(S32)const = &LLAvatarAppearance::getVisualParam; 
+			if( !driver_param->linkDrivenParams(boost::bind(avatar_function,(LLAvatarAppearance*)this,_1 ), false))
+			{
+				llwarns << "could not link driven params for avatar " << getID().asString() << " param id: " << driver_param->getID() << llendl;
+				continue;
+			}
+		}
+		else
+		{
+			delete driver_param;
+			llwarns << "avatar file: driver_param->parseData() failed" << llendl;
+			return FALSE;
+		}
+	}
+
+	
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// loadSkeletonNode(): loads <skeleton> node from XML tree
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::loadSkeletonNode ()
+{
+	mRoot->addChild( mSkeleton[0] );
+
+	// make meshes children before calling parent version of the function
+	for (avatar_joint_list_t::iterator iter = mMeshLOD.begin();
+		 iter != mMeshLOD.end(); 
+		 ++iter)
+	{
+		LLAvatarJoint *joint = *iter;
+		joint->mUpdateXform = FALSE;
+		joint->setMeshesToChildren();
+	}
+
+	mRoot->addChild(mMeshLOD[MESH_ID_HEAD]);
+	mRoot->addChild(mMeshLOD[MESH_ID_EYELASH]);
+	mRoot->addChild(mMeshLOD[MESH_ID_UPPER_BODY]);
+	mRoot->addChild(mMeshLOD[MESH_ID_LOWER_BODY]);
+	mRoot->addChild(mMeshLOD[MESH_ID_SKIRT]);
+	mRoot->addChild(mMeshLOD[MESH_ID_HEAD]);
+
+	LLAvatarJoint *skull = (LLAvatarJoint*)mRoot->findJoint("mSkull");
+	if (skull)
+	{
+		skull->addChild(mMeshLOD[MESH_ID_HAIR] );
+	}
+
+	LLAvatarJoint *eyeL = (LLAvatarJoint*)mRoot->findJoint("mEyeLeft");
+	if (eyeL)
+	{
+		eyeL->addChild( mMeshLOD[MESH_ID_EYEBALL_LEFT] );
+	}
+
+	LLAvatarJoint *eyeR = (LLAvatarJoint*)mRoot->findJoint("mEyeRight");
+	if (eyeR)
+	{
+		eyeR->addChild( mMeshLOD[MESH_ID_EYEBALL_RIGHT] );
+	}
+
+	// SKELETAL DISTORTIONS
+	{
+		LLAvatarXmlInfo::skeletal_distortion_info_list_t::iterator iter;
+		for (iter = sAvatarXmlInfo->mSkeletalDistortionInfoList.begin();
+			 iter != sAvatarXmlInfo->mSkeletalDistortionInfoList.end(); 
+			 ++iter)
+		{
+			LLPolySkeletalDistortionInfo *info = (LLPolySkeletalDistortionInfo*)*iter;
+			LLPolySkeletalDistortion *param = new LLPolySkeletalDistortion(this);
+			if (!param->setInfo(info))
+			{
+				delete param;
+				return FALSE;
+			}
+			else
+			{
+				addVisualParam(param);
+				param->setParamLocation(isSelf() ? LOC_AV_SELF : LOC_AV_OTHER);
+			}				
+		}
+	}
+
+
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// loadMeshNodes(): loads <mesh> nodes from XML tree
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::loadMeshNodes()
+{
+	for (LLAvatarXmlInfo::mesh_info_list_t::const_iterator meshinfo_iter = sAvatarXmlInfo->mMeshInfoList.begin();
+		 meshinfo_iter != sAvatarXmlInfo->mMeshInfoList.end(); 
+		 ++meshinfo_iter)
+	{
+		const LLAvatarXmlInfo::LLAvatarMeshInfo *info = *meshinfo_iter;
+		const std::string &type = info->mType;
+		S32 lod = info->mLOD;
+
+		LLAvatarJointMesh* mesh = NULL;
+		U8 mesh_id = 0;
+		BOOL found_mesh_id = FALSE;
+
+		/* if (type == "hairMesh")
+			switch(lod)
+			  case 0:
+				mesh = &mHairMesh0; */
+		for (LLAvatarAppearanceDictionary::MeshEntries::const_iterator mesh_iter = LLAvatarAppearanceDictionary::getInstance()->getMeshEntries().begin();
+			 mesh_iter != LLAvatarAppearanceDictionary::getInstance()->getMeshEntries().end();
+			 ++mesh_iter)
+		{
+			const EMeshIndex mesh_index = mesh_iter->first;
+			const LLAvatarAppearanceDictionary::MeshEntry *mesh_dict = mesh_iter->second;
+			if (type.compare(mesh_dict->mName) == 0)
+			{
+				mesh_id = mesh_index;
+				found_mesh_id = TRUE;
+				break;
+			}
+		}
+
+		if (found_mesh_id)
+		{
+			if (lod < (S32)mMeshLOD[mesh_id]->mMeshParts.size())
+			{
+				mesh = mMeshLOD[mesh_id]->mMeshParts[lod];
+			}
+			else
+			{
+				llwarns << "Avatar file: <mesh> has invalid lod setting " << lod << llendl;
+				return FALSE;
+			}
+		}
+		else 
+		{
+			llwarns << "Ignoring unrecognized mesh type: " << type << llendl;
+			return FALSE;
+		}
+
+		//	llinfos << "Parsing mesh data for " << type << "..." << llendl;
+
+		// If this isn't set to white (1.0), avatars will *ALWAYS* be darker than their surroundings.
+		// Do not touch!!!
+		mesh->setColor( LLColor4::white );
+
+		LLPolyMesh *poly_mesh = NULL;
+
+		if (!info->mReferenceMeshName.empty())
+		{
+			polymesh_map_t::const_iterator polymesh_iter = mPolyMeshes.find(info->mReferenceMeshName);
+			if (polymesh_iter != mPolyMeshes.end())
+			{
+				poly_mesh = LLPolyMesh::getMesh(info->mMeshFileName, polymesh_iter->second);
+				poly_mesh->setAvatar(this);
+			}
+			else
+			{
+				// This should never happen
+				LL_WARNS("Avatar") << "Could not find avatar mesh: " << info->mReferenceMeshName << LL_ENDL;
+			}
+		}
+		else
+		{
+			poly_mesh = LLPolyMesh::getMesh(info->mMeshFileName);
+			poly_mesh->setAvatar(this);
+		}
+
+		if( !poly_mesh )
+		{
+			llwarns << "Failed to load mesh of type " << type << llendl;
+			return FALSE;
+		}
+
+		// Multimap insert
+		mPolyMeshes.insert(std::make_pair(info->mMeshFileName, poly_mesh));
+	
+		mesh->setMesh( poly_mesh );
+		mesh->setLOD( info->mMinPixelArea );
+
+		for (LLAvatarXmlInfo::LLAvatarMeshInfo::morph_info_list_t::const_iterator xmlinfo_iter = info->mPolyMorphTargetInfoList.begin();
+			 xmlinfo_iter != info->mPolyMorphTargetInfoList.end(); 
+			 ++xmlinfo_iter)
+		{
+			const LLAvatarXmlInfo::LLAvatarMeshInfo::morph_info_pair_t *info_pair = &(*xmlinfo_iter);
+			LLPolyMorphTarget *param = new LLPolyMorphTarget(mesh->getMesh());
+			if (!param->setInfo((LLPolyMorphTargetInfo*)info_pair->first))
+			{
+				delete param;
+				return FALSE;
+			}
+			else
+			{
+				if (info_pair->second)
+				{
+					addSharedVisualParam(param);
+					param->setParamLocation(isSelf() ? LOC_AV_SELF : LOC_AV_OTHER);
+				}
+				else
+				{
+					addVisualParam(param);
+					param->setParamLocation(isSelf() ? LOC_AV_SELF : LOC_AV_OTHER);
+				}
+			}				
+		}
+	}
+
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// loadLayerSets()
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::loadLayersets()
+{
+	BOOL success = TRUE;
+	for (LLAvatarXmlInfo::layer_info_list_t::const_iterator layerset_iter = sAvatarXmlInfo->mLayerInfoList.begin();
+		 layerset_iter != sAvatarXmlInfo->mLayerInfoList.end(); 
+		 ++layerset_iter)
+	{
+		LLTexLayerSetInfo *layerset_info = *layerset_iter;
+		if (isSelf())
+		{
+			// Construct a layerset for each one specified in avatar_lad.xml and initialize it as such.
+			LLTexLayerSet* layer_set = createTexLayerSet();
+			
+			if (!layer_set->setInfo(layerset_info))
+			{
+				stop_glerror();
+				delete layer_set;
+				llwarns << "avatar file: layer_set->setInfo() failed" << llendl;
+				return FALSE;
+			}
+
+			// scan baked textures and associate the layerset with the appropriate one
+			EBakedTextureIndex baked_index = BAKED_NUM_INDICES;
+			for (LLAvatarAppearanceDictionary::BakedTextures::const_iterator baked_iter = LLAvatarAppearanceDictionary::getInstance()->getBakedTextures().begin();
+				 baked_iter != LLAvatarAppearanceDictionary::getInstance()->getBakedTextures().end();
+				 ++baked_iter)
+			{
+				const LLAvatarAppearanceDictionary::BakedEntry *baked_dict = baked_iter->second;
+				if (layer_set->isBodyRegion(baked_dict->mName))
+				{
+					baked_index = baked_iter->first;
+					// ensure both structures are aware of each other
+					mBakedTextureDatas[baked_index].mTexLayerSet = layer_set;
+					layer_set->setBakedTexIndex(baked_index);
+					break;
+				}
+			}
+			// if no baked texture was found, warn and cleanup
+			if (baked_index == BAKED_NUM_INDICES)
+			{
+				llwarns << "<layer_set> has invalid body_region attribute" << llendl;
+				delete layer_set;
+				return FALSE;
+			}
+
+			// scan morph masks and let any affected layers know they have an associated morph
+			for (LLAvatarAppearance::morph_list_t::const_iterator morph_iter = mBakedTextureDatas[baked_index].mMaskedMorphs.begin();
+				morph_iter != mBakedTextureDatas[baked_index].mMaskedMorphs.end();
+				 ++morph_iter)
+			{
+				LLMaskedMorph *morph = *morph_iter;
+				LLTexLayerInterface* layer = layer_set->findLayerByName(morph->mLayer);
+				if (layer)
+				{
+					layer->setHasMorph(TRUE);
+				}
+				else
+				{
+					llwarns << "Could not find layer named " << morph->mLayer << " to set morph flag" << llendl;
+					success = FALSE;
+				}
+			}
+		}
+		else // !isSelf()
+		{
+			// Construct a layerset for each one specified in avatar_lad.xml and initialize it as such.
+			LLTexLayerSetInfo *layerset_info = *layerset_iter;
+			layerset_info->createVisualParams(this);
+		}
+	}
+	return success;
+}
+
+//-----------------------------------------------------------------------------
+// getCharacterJoint()
+//-----------------------------------------------------------------------------
+LLJoint *LLAvatarAppearance::getCharacterJoint( U32 num )
+{
+	if ((S32)num >= mSkeleton.size()
+	    || (S32)num < 0)
+	{
+		return NULL;
+	}
+	return mSkeleton[num];
+}
+
+
+//-----------------------------------------------------------------------------
+// getVolumePos()
+//-----------------------------------------------------------------------------
+LLVector3 LLAvatarAppearance::getVolumePos(S32 joint_index, LLVector3& volume_offset)
+{
+	if (joint_index > mNumCollisionVolumes)
+	{
+		return LLVector3::zero;
+	}
+
+	return mCollisionVolumes[joint_index].getVolumePos(volume_offset);
+}
+
+//-----------------------------------------------------------------------------
+// findCollisionVolume()
+//-----------------------------------------------------------------------------
+LLJoint* LLAvatarAppearance::findCollisionVolume(U32 volume_id)
+{
+	if ((S32)volume_id > mNumCollisionVolumes)
+	{
+		return NULL;
+	}
+	
+	return &mCollisionVolumes[volume_id];
+}
+
+//-----------------------------------------------------------------------------
+// findCollisionVolume()
+//-----------------------------------------------------------------------------
+S32 LLAvatarAppearance::getCollisionVolumeID(std::string &name)
+{
+	for (S32 i = 0; i < mNumCollisionVolumes; i++)
+	{
+		if (mCollisionVolumes[i].getName() == name)
+		{
+			return i;
+		}
+	}
+
+	return -1;
+}
+
+//-----------------------------------------------------------------------------
+// LLAvatarAppearance::getHeadMesh()
+//-----------------------------------------------------------------------------
+LLPolyMesh*	LLAvatarAppearance::getHeadMesh()
+{
+	return mMeshLOD[MESH_ID_HEAD]->mMeshParts[0]->getMesh();
+}
+
+
+//-----------------------------------------------------------------------------
+// LLAvatarAppearance::getUpperBodyMesh()
+//-----------------------------------------------------------------------------
+LLPolyMesh*	LLAvatarAppearance::getUpperBodyMesh()
+{
+	return mMeshLOD[MESH_ID_UPPER_BODY]->mMeshParts[0]->getMesh();
+}
+
+
+
+// virtual
+BOOL LLAvatarAppearance::isValid() const
+{
+	// This should only be called on ourself.
+	if (!isSelf())
+	{
+		llerrs << "Called LLAvatarAppearance::isValid() on when isSelf() == false" << llendl;
+	}
+	return TRUE;
+}
+
+
+// adds a morph mask to the appropriate baked texture structure
+void LLAvatarAppearance::addMaskedMorph(EBakedTextureIndex index, LLVisualParam* morph_target, BOOL invert, std::string layer)
+{
+	if (index < BAKED_NUM_INDICES)
+	{
+		LLMaskedMorph *morph = new LLMaskedMorph(morph_target, invert, layer);
+		mBakedTextureDatas[index].mMaskedMorphs.push_front(morph);
+	}
+}
+
+
+//static
+BOOL LLAvatarAppearance::teToColorParams( ETextureIndex te, U32 *param_name )
+{
+	switch( te )
+	{
+		case TEX_UPPER_SHIRT:
+			param_name[0] = 803; //"shirt_red";
+			param_name[1] = 804; //"shirt_green";
+			param_name[2] = 805; //"shirt_blue";
+			break;
+
+		case TEX_LOWER_PANTS:
+			param_name[0] = 806; //"pants_red";
+			param_name[1] = 807; //"pants_green";
+			param_name[2] = 808; //"pants_blue";
+			break;
+
+		case TEX_LOWER_SHOES:
+			param_name[0] = 812; //"shoes_red";
+			param_name[1] = 813; //"shoes_green";
+			param_name[2] = 817; //"shoes_blue";
+			break;
+
+		case TEX_LOWER_SOCKS:
+			param_name[0] = 818; //"socks_red";
+			param_name[1] = 819; //"socks_green";
+			param_name[2] = 820; //"socks_blue";
+			break;
+
+		case TEX_UPPER_JACKET:
+		case TEX_LOWER_JACKET:
+			param_name[0] = 834; //"jacket_red";
+			param_name[1] = 835; //"jacket_green";
+			param_name[2] = 836; //"jacket_blue";
+			break;
+
+		case TEX_UPPER_GLOVES:
+			param_name[0] = 827; //"gloves_red";
+			param_name[1] = 829; //"gloves_green";
+			param_name[2] = 830; //"gloves_blue";
+			break;
+
+		case TEX_UPPER_UNDERSHIRT:
+			param_name[0] = 821; //"undershirt_red";
+			param_name[1] = 822; //"undershirt_green";
+			param_name[2] = 823; //"undershirt_blue";
+			break;
+	
+		case TEX_LOWER_UNDERPANTS:
+			param_name[0] = 824; //"underpants_red";
+			param_name[1] = 825; //"underpants_green";
+			param_name[2] = 826; //"underpants_blue";
+			break;
+
+		case TEX_SKIRT:
+			param_name[0] = 921; //"skirt_red";
+			param_name[1] = 922; //"skirt_green";
+			param_name[2] = 923; //"skirt_blue";
+			break;
+
+		case TEX_HEAD_TATTOO:
+		case TEX_LOWER_TATTOO:
+		case TEX_UPPER_TATTOO:
+			param_name[0] = 1071; //"tattoo_red";
+			param_name[1] = 1072; //"tattoo_green";
+			param_name[2] = 1073; //"tattoo_blue";
+			break;	
+
+		default:
+			llassert(0);
+			return FALSE;
+	}
+
+	return TRUE;
+}
+
+void LLAvatarAppearance::setClothesColor( ETextureIndex te, const LLColor4& new_color, BOOL upload_bake )
+{
+	U32 param_name[3];
+	if( teToColorParams( te, param_name ) )
+	{
+		setVisualParamWeight( param_name[0], new_color.mV[VX], upload_bake );
+		setVisualParamWeight( param_name[1], new_color.mV[VY], upload_bake );
+		setVisualParamWeight( param_name[2], new_color.mV[VZ], upload_bake );
+	}
+}
+
+LLColor4 LLAvatarAppearance::getClothesColor( ETextureIndex te )
+{
+	LLColor4 color;
+	U32 param_name[3];
+	if( teToColorParams( te, param_name ) )
+	{
+		color.mV[VX] = getVisualParamWeight( param_name[0] );
+		color.mV[VY] = getVisualParamWeight( param_name[1] );
+		color.mV[VZ] = getVisualParamWeight( param_name[2] );
+	}
+	return color;
+}
+
+// static
+LLColor4 LLAvatarAppearance::getDummyColor()
+{
+	return DUMMY_COLOR;
+}
+
+LLColor4 LLAvatarAppearance::getGlobalColor( const std::string& color_name ) const
+{
+	if (color_name=="skin_color" && mTexSkinColor)
+	{
+		return mTexSkinColor->getColor();
+	}
+	else if(color_name=="hair_color" && mTexHairColor)
+	{
+		return mTexHairColor->getColor();
+	}
+	if(color_name=="eye_color" && mTexEyeColor)
+	{
+		return mTexEyeColor->getColor();
+	}
+	else
+	{
+//		return LLColor4( .5f, .5f, .5f, .5f );
+		return LLColor4( 0.f, 1.f, 1.f, 1.f ); // good debugging color
+	}
+}
+
+// Unlike most wearable functions, this works for both self and other.
+// virtual
+BOOL LLAvatarAppearance::isWearingWearableType(LLWearableType::EType type) const
+{
+	return mWearableData->getWearableCount(type) > 0;
+}
+
+LLTexLayerSet* LLAvatarAppearance::getAvatarLayerSet(EBakedTextureIndex baked_index) const
+{
+	/* switch(index)
+		case TEX_HEAD_BAKED:
+		case TEX_HEAD_BODYPAINT:
+			return mHeadLayerSet; */
+	return mBakedTextureDatas[baked_index].mTexLayerSet;
+}
+
+//-----------------------------------------------------------------------------
+// allocateCollisionVolumes()
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::allocateCollisionVolumes( U32 num )
+{
+	deleteAndClearArray(mCollisionVolumes);
+	mNumCollisionVolumes = 0;
+
+	mCollisionVolumes = new LLAvatarJointCollisionVolume[num];
+	if (!mCollisionVolumes)
+	{
+		return FALSE;
+	}
+
+	mNumCollisionVolumes = num;
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// LLAvatarBoneInfo::parseXml()
+//-----------------------------------------------------------------------------
+BOOL LLAvatarBoneInfo::parseXml(LLXmlTreeNode* node)
+{
+	if (node->hasName("bone"))
+	{
+		mIsJoint = TRUE;
+		static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
+		if (!node->getFastAttributeString(name_string, mName))
+		{
+			llwarns << "Bone without name" << llendl;
+			return FALSE;
+		}
+	}
+	else if (node->hasName("collision_volume"))
+	{
+		mIsJoint = FALSE;
+		static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
+		if (!node->getFastAttributeString(name_string, mName))
+		{
+			mName = "Collision Volume";
+		}
+	}
+	else
+	{
+		llwarns << "Invalid node " << node->getName() << llendl;
+		return FALSE;
+	}
+
+	static LLStdStringHandle pos_string = LLXmlTree::addAttributeString("pos");
+	if (!node->getFastAttributeVector3(pos_string, mPos))
+	{
+		llwarns << "Bone without position" << llendl;
+		return FALSE;
+	}
+
+	static LLStdStringHandle rot_string = LLXmlTree::addAttributeString("rot");
+	if (!node->getFastAttributeVector3(rot_string, mRot))
+	{
+		llwarns << "Bone without rotation" << llendl;
+		return FALSE;
+	}
+	
+	static LLStdStringHandle scale_string = LLXmlTree::addAttributeString("scale");
+	if (!node->getFastAttributeVector3(scale_string, mScale))
+	{
+		llwarns << "Bone without scale" << llendl;
+		return FALSE;
+	}
+
+	if (mIsJoint)
+	{
+		static LLStdStringHandle pivot_string = LLXmlTree::addAttributeString("pivot");
+		if (!node->getFastAttributeVector3(pivot_string, mPivot))
+		{
+			llwarns << "Bone without pivot" << llendl;
+			return FALSE;
+		}
+	}
+
+	// parse children
+	LLXmlTreeNode* child;
+	for( child = node->getFirstChild(); child; child = node->getNextChild() )
+	{
+		LLAvatarBoneInfo *child_info = new LLAvatarBoneInfo;
+		if (!child_info->parseXml(child))
+		{
+			delete child_info;
+			return FALSE;
+		}
+		mChildList.push_back(child_info);
+	}
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// LLAvatarSkeletonInfo::parseXml()
+//-----------------------------------------------------------------------------
+BOOL LLAvatarSkeletonInfo::parseXml(LLXmlTreeNode* node)
+{
+	static LLStdStringHandle num_bones_string = LLXmlTree::addAttributeString("num_bones");
+	if (!node->getFastAttributeS32(num_bones_string, mNumBones))
+	{
+		llwarns << "Couldn't find number of bones." << llendl;
+		return FALSE;
+	}
+
+	static LLStdStringHandle num_collision_volumes_string = LLXmlTree::addAttributeString("num_collision_volumes");
+	node->getFastAttributeS32(num_collision_volumes_string, mNumCollisionVolumes);
+
+	LLXmlTreeNode* child;
+	for( child = node->getFirstChild(); child; child = node->getNextChild() )
+	{
+		LLAvatarBoneInfo *info = new LLAvatarBoneInfo;
+		if (!info->parseXml(child))
+		{
+			delete info;
+			llwarns << "Error parsing bone in skeleton file" << llendl;
+			return FALSE;
+		}
+		mBoneInfoList.push_back(info);
+	}
+	return TRUE;
+}
+
+
+//-----------------------------------------------------------------------------
+// parseXmlSkeletonNode(): parses <skeleton> nodes from XML tree
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::LLAvatarXmlInfo::parseXmlSkeletonNode(LLXmlTreeNode* root)
+{
+	LLXmlTreeNode* node = root->getChildByName( "skeleton" );
+	if( !node )
+	{
+		llwarns << "avatar file: missing <skeleton>" << llendl;
+		return FALSE;
+	}
+
+	LLXmlTreeNode* child;
+
+	// SKELETON DISTORTIONS
+	for (child = node->getChildByName( "param" );
+		 child;
+		 child = node->getNextNamedChild())
+	{
+		if (!child->getChildByName("param_skeleton"))
+		{
+			if (child->getChildByName("param_morph"))
+			{
+				llwarns << "Can't specify morph param in skeleton definition." << llendl;
+			}
+			else
+			{
+				llwarns << "Unknown param type." << llendl;
+			}
+			continue;
+		}
+		
+		LLPolySkeletalDistortionInfo *info = new LLPolySkeletalDistortionInfo;
+		if (!info->parseXml(child))
+		{
+			delete info;
+			return FALSE;
+		}
+
+		mSkeletalDistortionInfoList.push_back(info);
+	}
+
+	// ATTACHMENT POINTS
+	for (child = node->getChildByName( "attachment_point" );
+		 child;
+		 child = node->getNextNamedChild())
+	{
+		LLAvatarAttachmentInfo* info = new LLAvatarAttachmentInfo();
+
+		static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
+		if (!child->getFastAttributeString(name_string, info->mName))
+		{
+			llwarns << "No name supplied for attachment point." << llendl;
+			delete info;
+			continue;
+		}
+
+		static LLStdStringHandle joint_string = LLXmlTree::addAttributeString("joint");
+		if (!child->getFastAttributeString(joint_string, info->mJointName))
+		{
+			llwarns << "No bone declared in attachment point " << info->mName << llendl;
+			delete info;
+			continue;
+		}
+
+		static LLStdStringHandle position_string = LLXmlTree::addAttributeString("position");
+		if (child->getFastAttributeVector3(position_string, info->mPosition))
+		{
+			info->mHasPosition = TRUE;
+		}
+
+		static LLStdStringHandle rotation_string = LLXmlTree::addAttributeString("rotation");
+		if (child->getFastAttributeVector3(rotation_string, info->mRotationEuler))
+		{
+			info->mHasRotation = TRUE;
+		}
+		 static LLStdStringHandle group_string = LLXmlTree::addAttributeString("group");
+		if (child->getFastAttributeS32(group_string, info->mGroup))
+		{
+			if (info->mGroup == -1)
+				info->mGroup = -1111; // -1 = none parsed, < -1 = bad value
+		}
+
+		static LLStdStringHandle id_string = LLXmlTree::addAttributeString("id");
+		if (!child->getFastAttributeS32(id_string, info->mAttachmentID))
+		{
+			llwarns << "No id supplied for attachment point " << info->mName << llendl;
+			delete info;
+			continue;
+		}
+
+		static LLStdStringHandle slot_string = LLXmlTree::addAttributeString("pie_slice");
+		child->getFastAttributeS32(slot_string, info->mPieMenuSlice);
+			
+		static LLStdStringHandle visible_in_first_person_string = LLXmlTree::addAttributeString("visible_in_first_person");
+		child->getFastAttributeBOOL(visible_in_first_person_string, info->mVisibleFirstPerson);
+
+		static LLStdStringHandle hud_attachment_string = LLXmlTree::addAttributeString("hud");
+		child->getFastAttributeBOOL(hud_attachment_string, info->mIsHUDAttachment);
+
+		mAttachmentInfoList.push_back(info);
+	}
+
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// parseXmlMeshNodes(): parses <mesh> nodes from XML tree
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::LLAvatarXmlInfo::parseXmlMeshNodes(LLXmlTreeNode* root)
+{
+	for (LLXmlTreeNode* node = root->getChildByName( "mesh" );
+		 node;
+		 node = root->getNextNamedChild())
+	{
+		LLAvatarMeshInfo *info = new LLAvatarMeshInfo;
+
+		// attribute: type
+		static LLStdStringHandle type_string = LLXmlTree::addAttributeString("type");
+		if( !node->getFastAttributeString( type_string, info->mType ) )
+		{
+			llwarns << "Avatar file: <mesh> is missing type attribute.  Ignoring element. " << llendl;
+			delete info;
+			return FALSE;  // Ignore this element
+		}
+		
+		static LLStdStringHandle lod_string = LLXmlTree::addAttributeString("lod");
+		if (!node->getFastAttributeS32( lod_string, info->mLOD ))
+		{
+			llwarns << "Avatar file: <mesh> is missing lod attribute.  Ignoring element. " << llendl;
+			delete info;
+			return FALSE;  // Ignore this element
+		}
+
+		static LLStdStringHandle file_name_string = LLXmlTree::addAttributeString("file_name");
+		if( !node->getFastAttributeString( file_name_string, info->mMeshFileName ) )
+		{
+			llwarns << "Avatar file: <mesh> is missing file_name attribute.  Ignoring: " << info->mType << llendl;
+			delete info;
+			return FALSE;  // Ignore this element
+		}
+
+		static LLStdStringHandle reference_string = LLXmlTree::addAttributeString("reference");
+		node->getFastAttributeString( reference_string, info->mReferenceMeshName );
+		
+		// attribute: min_pixel_area
+		static LLStdStringHandle min_pixel_area_string = LLXmlTree::addAttributeString("min_pixel_area");
+		static LLStdStringHandle min_pixel_width_string = LLXmlTree::addAttributeString("min_pixel_width");
+		if (!node->getFastAttributeF32( min_pixel_area_string, info->mMinPixelArea ))
+		{
+			F32 min_pixel_area = 0.1f;
+			if (node->getFastAttributeF32( min_pixel_width_string, min_pixel_area ))
+			{
+				// this is square root of pixel area (sensible to use linear space in defining lods)
+				min_pixel_area = min_pixel_area * min_pixel_area;
+			}
+			info->mMinPixelArea = min_pixel_area;
+		}
+		
+		// Parse visual params for this node only if we haven't already
+		for (LLXmlTreeNode* child = node->getChildByName( "param" );
+			 child;
+			 child = node->getNextNamedChild())
+		{
+			if (!child->getChildByName("param_morph"))
+			{
+				if (child->getChildByName("param_skeleton"))
+				{
+					llwarns << "Can't specify skeleton param in a mesh definition." << llendl;
+				}
+				else
+				{
+					llwarns << "Unknown param type." << llendl;
+				}
+				continue;
+			}
+
+			LLPolyMorphTargetInfo *morphinfo = new LLPolyMorphTargetInfo();
+			if (!morphinfo->parseXml(child))
+			{
+				delete morphinfo;
+				delete info;
+				return -1;
+			}
+			BOOL shared = FALSE;
+			static LLStdStringHandle shared_string = LLXmlTree::addAttributeString("shared");
+			child->getFastAttributeBOOL(shared_string, shared);
+
+			info->mPolyMorphTargetInfoList.push_back(LLAvatarMeshInfo::morph_info_pair_t(morphinfo, shared));
+		}
+
+		mMeshInfoList.push_back(info);
+	}
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// parseXmlColorNodes(): parses <global_color> nodes from XML tree
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::LLAvatarXmlInfo::parseXmlColorNodes(LLXmlTreeNode* root)
+{
+	for (LLXmlTreeNode* color_node = root->getChildByName( "global_color" );
+		 color_node;
+		 color_node = root->getNextNamedChild())
+	{
+		std::string global_color_name;
+		static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
+		if (color_node->getFastAttributeString( name_string, global_color_name ) )
+		{
+			if( global_color_name == "skin_color" )
+			{
+				if (mTexSkinColorInfo)
+				{
+					llwarns << "avatar file: multiple instances of skin_color" << llendl;
+					return FALSE;
+				}
+				mTexSkinColorInfo = new LLTexGlobalColorInfo;
+				if( !mTexSkinColorInfo->parseXml( color_node ) )
+				{
+					deleteAndClear(mTexSkinColorInfo);
+					llwarns << "avatar file: mTexSkinColor->parseXml() failed" << llendl;
+					return FALSE;
+				}
+			}
+			else if( global_color_name == "hair_color" )
+			{
+				if (mTexHairColorInfo)
+				{
+					llwarns << "avatar file: multiple instances of hair_color" << llendl;
+					return FALSE;
+				}
+				mTexHairColorInfo = new LLTexGlobalColorInfo;
+				if( !mTexHairColorInfo->parseXml( color_node ) )
+				{
+					deleteAndClear(mTexHairColorInfo);
+					llwarns << "avatar file: mTexHairColor->parseXml() failed" << llendl;
+					return FALSE;
+				}
+			}
+			else if( global_color_name == "eye_color" )
+			{
+				if (mTexEyeColorInfo)
+				{
+					llwarns << "avatar file: multiple instances of eye_color" << llendl;
+					return FALSE;
+				}
+				mTexEyeColorInfo = new LLTexGlobalColorInfo;
+				if( !mTexEyeColorInfo->parseXml( color_node ) )
+				{
+					llwarns << "avatar file: mTexEyeColor->parseXml() failed" << llendl;
+					return FALSE;
+				}
+			}
+		}
+	}
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// parseXmlLayerNodes(): parses <layer_set> nodes from XML tree
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::LLAvatarXmlInfo::parseXmlLayerNodes(LLXmlTreeNode* root)
+{
+	for (LLXmlTreeNode* layer_node = root->getChildByName( "layer_set" );
+		 layer_node;
+		 layer_node = root->getNextNamedChild())
+	{
+		LLTexLayerSetInfo* layer_info = new LLTexLayerSetInfo();
+		if( layer_info->parseXml( layer_node ) )
+		{
+			mLayerInfoList.push_back(layer_info);
+		}
+		else
+		{
+			delete layer_info;
+			llwarns << "avatar file: layer_set->parseXml() failed" << llendl;
+			return FALSE;
+		}
+	}
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// parseXmlDriverNodes(): parses <driver_parameters> nodes from XML tree
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::LLAvatarXmlInfo::parseXmlDriverNodes(LLXmlTreeNode* root)
+{
+	LLXmlTreeNode* driver = root->getChildByName( "driver_parameters" );
+	if( driver )
+	{
+		for (LLXmlTreeNode* grand_child = driver->getChildByName( "param" );
+			 grand_child;
+			 grand_child = driver->getNextNamedChild())
+		{
+			if( grand_child->getChildByName( "param_driver" ) )
+			{
+				LLDriverParamInfo* driver_info = new LLDriverParamInfo();
+				if( driver_info->parseXml( grand_child ) )
+				{
+					mDriverInfoList.push_back(driver_info);
+				}
+				else
+				{
+					delete driver_info;
+					llwarns << "avatar file: driver_param->parseXml() failed" << llendl;
+					return FALSE;
+				}
+			}
+		}
+	}
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// parseXmlDriverNodes(): parses <driver_parameters> nodes from XML tree
+//-----------------------------------------------------------------------------
+BOOL LLAvatarAppearance::LLAvatarXmlInfo::parseXmlMorphNodes(LLXmlTreeNode* root)
+{
+	LLXmlTreeNode* masks = root->getChildByName( "morph_masks" );
+	if( !masks )
+	{
+		return FALSE;
+	}
+
+	for (LLXmlTreeNode* grand_child = masks->getChildByName( "mask" );
+		 grand_child;
+		 grand_child = masks->getNextNamedChild())
+	{
+		LLAvatarMorphInfo* info = new LLAvatarMorphInfo();
+
+		static LLStdStringHandle name_string = LLXmlTree::addAttributeString("morph_name");
+		if (!grand_child->getFastAttributeString(name_string, info->mName))
+		{
+			llwarns << "No name supplied for morph mask." << llendl;
+			delete info;
+			continue;
+		}
+
+		static LLStdStringHandle region_string = LLXmlTree::addAttributeString("body_region");
+		if (!grand_child->getFastAttributeString(region_string, info->mRegion))
+		{
+			llwarns << "No region supplied for morph mask." << llendl;
+			delete info;
+			continue;
+		}
+
+		static LLStdStringHandle layer_string = LLXmlTree::addAttributeString("layer");
+		if (!grand_child->getFastAttributeString(layer_string, info->mLayer))
+		{
+			llwarns << "No layer supplied for morph mask." << llendl;
+			delete info;
+			continue;
+		}
+
+		// optional parameter. don't throw a warning if not present.
+		static LLStdStringHandle invert_string = LLXmlTree::addAttributeString("invert");
+		grand_child->getFastAttributeBOOL(invert_string, info->mInvert);
+
+		mMorphMaskInfoList.push_back(info);
+	}
+
+	return TRUE;
+}
+
+//virtual 
+LLAvatarAppearance::LLMaskedMorph::LLMaskedMorph(LLVisualParam *morph_target, BOOL invert, std::string layer) :
+			mMorphTarget(morph_target), 
+			mInvert(invert),
+			mLayer(layer)
+{
+	LLPolyMorphTarget *target = dynamic_cast<LLPolyMorphTarget*>(morph_target);
+	if (target)
+	{
+		target->addPendingMorphMask();
+	}
+}
+
+
+