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diff --git a/indra/newview/llviewerjointattachment.cpp b/indra/newview/llviewerjointattachment.cpp
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+++ b/indra/newview/llviewerjointattachment.cpp
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+/** 
+ * @file llviewerjointattachment.cpp
+ * @brief Implementation of LLViewerJointAttachment class
+ *
+ * Copyright (c) 2002-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llviewerjointattachment.h"
+
+#include "llagentconstants.h"
+
+#include "llviewercontrol.h"
+#include "lldrawable.h"
+#include "llgl.h"
+#include "llvoavatar.h"
+#include "llvolume.h"
+#include "pipeline.h"
+#include "llinventorymodel.h"
+#include "llviewerobjectlist.h"
+#include "llface.h"
+#include "llvoavatar.h"
+
+#include "llglheaders.h"
+
+extern LLPipeline gPipeline;
+
+//-----------------------------------------------------------------------------
+// LLViewerJointAttachment()
+//-----------------------------------------------------------------------------
+LLViewerJointAttachment::LLViewerJointAttachment()
+{
+	mJoint = NULL;
+	mAttachedObject = NULL;
+	mAttachmentDirty = FALSE;
+	mGroup = 0;
+	mUpdateXform = FALSE;
+	mIsHUDAttachment = FALSE;
+	mValid = FALSE;
+	mPieSlice = -1;
+}
+
+//-----------------------------------------------------------------------------
+// ~LLViewerJointAttachment()
+//-----------------------------------------------------------------------------
+LLViewerJointAttachment::~LLViewerJointAttachment()
+{
+}
+
+//-----------------------------------------------------------------------------
+// isTransparent()
+//-----------------------------------------------------------------------------
+BOOL LLViewerJointAttachment::isTransparent()
+{
+	return FALSE;
+}
+
+//-----------------------------------------------------------------------------
+// drawShape()
+//-----------------------------------------------------------------------------
+U32 LLViewerJointAttachment::drawShape( F32 pixelArea )
+{
+	if (LLVOAvatar::sShowAttachmentPoints)
+	{
+		LLGLDisable cull_face(GL_CULL_FACE);
+		
+		glColor4f(1.f, 1.f, 1.f, 1.f);
+		glBegin(GL_QUADS);
+		{
+			glVertex3f(-0.1f, 0.1f, 0.f);
+			glVertex3f(-0.1f, -0.1f, 0.f);
+			glVertex3f(0.1f, -0.1f, 0.f);
+			glVertex3f(0.1f, 0.1f, 0.f);
+		}glEnd();
+	}
+	return 0;
+}
+
+//-----------------------------------------------------------------------------
+// lazyAttach()
+//-----------------------------------------------------------------------------
+void LLViewerJointAttachment::lazyAttach()
+{
+	if (!mAttachedObject)
+	{
+		return;
+	}
+	LLDrawable *drawablep = mAttachedObject->mDrawable;
+
+	if (mAttachmentDirty && drawablep)
+	{
+		setupDrawable(drawablep);
+		mAttachmentDirty = FALSE;
+	}
+}
+
+void LLViewerJointAttachment::setupDrawable(LLDrawable* drawablep)
+{
+	drawablep->mXform.setParent(&mXform); // LLViewerJointAttachment::lazyAttach
+	drawablep->makeActive();
+	LLVector3 current_pos = mAttachedObject->getRenderPosition();
+	LLQuaternion current_rot = mAttachedObject->getRenderRotation();
+	LLQuaternion attachment_pt_inv_rot = ~getWorldRotation();
+
+	current_pos -= getWorldPosition();
+	current_pos.rotVec(attachment_pt_inv_rot);
+
+	current_rot = current_rot * attachment_pt_inv_rot;
+
+	drawablep->mXform.setPosition(current_pos);
+	drawablep->mXform.setRotation(current_rot);
+	gPipeline.markMoved(drawablep);
+	gPipeline.markTextured(drawablep); // face may need to change draw pool to/from POOL_HUD
+	drawablep->setState(LLDrawable::USE_BACKLIGHT);
+	
+	if(mIsHUDAttachment)
+	{
+		for (S32 face_num = 0; face_num < drawablep->getNumFaces(); face_num++)
+		{
+			drawablep->getFace(face_num)->setState(LLFace::HUD_RENDER);
+		}
+	}
+
+	for (LLViewerObject::child_list_t::iterator iter = mAttachedObject->mChildList.begin();
+		 iter != mAttachedObject->mChildList.end(); ++iter)
+	{
+		LLViewerObject* childp = *iter;
+		if (childp && childp->mDrawable.notNull())
+		{
+			childp->mDrawable->setState(LLDrawable::USE_BACKLIGHT);
+			gPipeline.markTextured(childp->mDrawable); // face may need to change draw pool to/from POOL_HUD
+			if(mIsHUDAttachment)
+			{
+				for (S32 face_num = 0; face_num < childp->mDrawable->getNumFaces(); face_num++)
+				{
+					childp->mDrawable->getFace(face_num)->setState(LLFace::HUD_RENDER);
+				}
+			}
+		}
+	}
+}
+
+//-----------------------------------------------------------------------------
+// addObject()
+//-----------------------------------------------------------------------------
+BOOL LLViewerJointAttachment::addObject(LLViewerObject* object)
+{
+	if (mAttachedObject)
+	{
+		llwarns << "Attempted to attach object where an attachment already exists!" << llendl;
+		return FALSE;
+	}
+	mAttachedObject = object;
+	
+	LLUUID item_id;
+
+	// Find the inventory item ID of the attached object
+	LLNameValue* item_id_nv = object->getNVPair("AttachItemID");
+	if( item_id_nv )
+	{
+		const char* s = item_id_nv->getString();
+		if( s )
+		{
+			item_id.set( s );
+			lldebugs << "getNVPair( AttachItemID ) = " << item_id << llendl;
+		}
+	}
+
+	mItemID = item_id;
+
+	LLDrawable* drawablep = object->mDrawable;
+
+	if (drawablep)
+	{
+		setupDrawable(drawablep);
+	}
+	else
+	{
+		// do lazy update once we have a drawable for this object
+		mAttachmentDirty = TRUE;
+	}
+
+	if (mIsHUDAttachment)
+	{
+		if (object->mText.notNull())
+		{
+			object->mText->setOnHUDAttachment(TRUE);
+		}
+		for (LLViewerObject::child_list_t::iterator iter = object->mChildList.begin();
+			iter != object->mChildList.end(); ++iter)
+		{
+			LLViewerObject* childp = *iter;
+			if (childp && childp->mText.notNull())
+			{
+				childp->mText->setOnHUDAttachment(TRUE);
+			}
+		}
+	}
+	calcLOD();
+	mUpdateXform = TRUE;
+
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// removeObject()
+//-----------------------------------------------------------------------------
+void LLViewerJointAttachment::removeObject(LLViewerObject *object)
+{
+	// force object visibile
+	setAttachmentVisibility(TRUE);
+
+	if (object->mDrawable.notNull())
+	{
+		LLVector3 cur_position = object->getRenderPosition();
+		LLQuaternion cur_rotation = object->getRenderRotation();
+
+		object->mDrawable->mXform.setPosition(cur_position);
+		object->mDrawable->mXform.setRotation(cur_rotation);
+		gPipeline.markMoved(object->mDrawable, TRUE);
+		gPipeline.markTextured(object->mDrawable); // face may need to change draw pool to/from POOL_HUD
+		object->mDrawable->clearState(LLDrawable::USE_BACKLIGHT);
+
+		if (mIsHUDAttachment)
+		{
+			for (S32 face_num = 0; face_num < object->mDrawable->getNumFaces(); face_num++)
+			{
+				object->mDrawable->getFace(face_num)->clearState(LLFace::HUD_RENDER);
+			}
+		}
+	}
+
+	for (LLViewerObject::child_list_t::iterator iter = object->mChildList.begin();
+		 iter != object->mChildList.end(); ++iter)
+	{
+		LLViewerObject* childp = *iter;
+		if (childp && childp->mDrawable.notNull())
+		{
+			childp->mDrawable->clearState(LLDrawable::USE_BACKLIGHT);
+			gPipeline.markTextured(childp->mDrawable); // face may need to change draw pool to/from POOL_HUD
+			if (mIsHUDAttachment)
+			{
+				for (S32 face_num = 0; face_num < childp->mDrawable->getNumFaces(); face_num++)
+				{
+					childp->mDrawable->getFace(face_num)->clearState(LLFace::HUD_RENDER);
+				}
+			}
+		}
+	} 
+
+	if (mIsHUDAttachment)
+	{
+		if (object->mText.notNull())
+		{
+			object->mText->setOnHUDAttachment(FALSE);
+		}
+		for (LLViewerObject::child_list_t::iterator iter = object->mChildList.begin();
+			iter != object->mChildList.end(); ++iter)
+		{
+			LLViewerObject* childp = *iter;
+			if (childp->mText.notNull())
+			{
+				childp->mText->setOnHUDAttachment(FALSE);
+			}
+		}
+	}
+
+	mAttachedObject = NULL;
+	mUpdateXform = FALSE;
+	mItemID.setNull();
+}
+
+//-----------------------------------------------------------------------------
+// setAttachmentVisibility()
+//-----------------------------------------------------------------------------
+void LLViewerJointAttachment::setAttachmentVisibility(BOOL visible)
+{
+	if (!mAttachedObject || mAttachedObject->mDrawable.isNull())
+		return;
+
+	if (visible)
+	{
+		// Hack to make attachments not visible by disabling their type mask!
+		// This will break if you can ever attach non-volumes! - djs 02/14/03
+		mAttachedObject->mDrawable->setRenderType(LLPipeline::RENDER_TYPE_VOLUME);
+		for (LLViewerObject::child_list_t::iterator iter = mAttachedObject->mChildList.begin();
+			 iter != mAttachedObject->mChildList.end(); ++iter)
+		{
+			LLViewerObject* childp = *iter;
+			if (childp && childp->mDrawable.notNull())
+			{
+				childp->mDrawable->setRenderType(LLPipeline::RENDER_TYPE_VOLUME);
+			}
+		}
+	}
+	else
+	{
+		//RN: sometimes we call this on objects that are already invisible, so check for that case
+		if (!mAttachedObject->mDrawable->isRenderType(LLPipeline::RENDER_TYPE_VOLUME) && 
+			!mAttachedObject->mDrawable->isRenderType(0))
+		{
+			llerrs << "Tried to attach non-volume to a joint, visibility hack dangerous!" << llendl;
+		}
+		mAttachedObject->mDrawable->setRenderType(0);
+		for (LLViewerObject::child_list_t::iterator iter = mAttachedObject->mChildList.begin();
+			 iter != mAttachedObject->mChildList.end(); ++iter)
+		{
+			LLViewerObject* childp = *iter;
+			if (childp && childp->mDrawable.notNull())
+			{
+				if (!childp->mDrawable->isRenderType(LLPipeline::RENDER_TYPE_VOLUME) && 
+					!mAttachedObject->mDrawable->isRenderType(0))
+				{
+					llerrs << "Tried to attach non-volume to a joint, visibility hack dangerous!" << llendl;
+				}
+				childp->mDrawable->setRenderType(0);
+			}
+		}
+	}
+}
+
+//-----------------------------------------------------------------------------
+// setOriginalPosition()
+//-----------------------------------------------------------------------------
+void LLViewerJointAttachment::setOriginalPosition(LLVector3& position)
+{
+	mOriginalPos = position;
+	setPosition(position);
+}
+
+//-----------------------------------------------------------------------------
+// clampObjectPosition()
+//-----------------------------------------------------------------------------
+void LLViewerJointAttachment::clampObjectPosition()
+{
+	if (mAttachedObject)
+	{
+		//FIXME: object can drift when hitting maximum radius
+		LLVector3 attachmentPos = mAttachedObject->getPosition();
+		F32 dist = attachmentPos.normVec();
+		dist = llmin(dist, MAX_ATTACHMENT_DIST);
+		attachmentPos *= dist;
+		mAttachedObject->setPosition(attachmentPos);
+	}
+}
+
+//-----------------------------------------------------------------------------
+// calcLOD()
+//-----------------------------------------------------------------------------
+void LLViewerJointAttachment::calcLOD()
+{
+	F32 maxarea = mAttachedObject->getMaxScale() * mAttachedObject->getMidScale();
+	for (LLViewerObject::child_list_t::iterator iter = mAttachedObject->mChildList.begin();
+		 iter != mAttachedObject->mChildList.end(); ++iter)
+	{
+		LLViewerObject* childp = *iter;
+		F32 area = childp->getMaxScale() * childp->getMidScale();
+		maxarea = llmax(maxarea, area);
+	}
+	maxarea = llclamp(maxarea, .01f*.01f, 1.f);
+	F32 avatar_area = (4.f * 4.f); // pixels for an avatar sized attachment
+	F32 min_pixel_area = avatar_area / maxarea;
+	setLOD(min_pixel_area);
+}
+
+//-----------------------------------------------------------------------------
+// updateLOD()
+//-----------------------------------------------------------------------------
+BOOL LLViewerJointAttachment::updateLOD(F32 pixel_area, BOOL activate)
+{
+	BOOL res = FALSE;
+	if (!mValid)
+	{
+		setValid(TRUE, TRUE);
+		res = TRUE;
+	}
+	return res;
+}
+