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diff --git a/linden/indra/newview/llviewerjoint.h b/linden/indra/newview/llviewerjoint.h
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+/** 
+ * @file llviewerjoint.h
+ * @brief Implementation of LLViewerJoint class
+ *
+ * Copyright (c) 2001-2007, Linden Research, Inc.
+ * 
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ */
+
+#ifndef LL_LLVIEWERJOINT_H
+#define LL_LLVIEWERJOINT_H
+
+//-----------------------------------------------------------------------------
+// Header Files
+//-----------------------------------------------------------------------------
+#include "lljoint.h"
+#include "llapr.h"
+
+class LLFace;
+
+//-----------------------------------------------------------------------------
+// class LLViewerJoint
+//-----------------------------------------------------------------------------
+class LLViewerJoint :
+        public LLJoint
+{
+public:
+        LLViewerJoint();
+        LLViewerJoint(const std::string &name, LLJoint *parent = NULL);
+        virtual ~LLViewerJoint();
+
+        // Gets the validity of this joint
+        BOOL getValid() { return mValid; }
+
+        // Sets the validity of this joint
+        virtual void setValid( BOOL valid, BOOL recursive=FALSE );
+
+        // Primarily for debugging and character setup
+        // Derived classes may add text/graphic output.
+        // Draw skeleton graphic for debugging and character setup
+        virtual void renderSkeleton(BOOL recursive=TRUE);
+
+        // Render character hierarchy.
+        // Traverses the entire joint hierarchy, setting up
+        // transforms and calling the drawShape().
+        // Derived classes may add text/graphic output.
+        virtual U32 render( F32 pixelArea );    // Returns triangle count
+
+        // Draws a bone graphic to the parent joint.
+        // Derived classes may add text/graphic output.
+        // Called by renderSkeleton().
+        virtual void drawBone();
+
+        // Returns true if this object is transparent.
+        // This is used to determine in which order to draw objects.
+        virtual BOOL isTransparent();
+
+        // Returns true if this object should inherit scale modifiers from its immediate parent
+        virtual BOOL inheritScale() { return FALSE; }
+
+        // Draws the shape attached to a joint.
+        // Called by render().
+        virtual U32 drawShape( F32 pixelArea );
+        virtual void drawNormals() {}
+
+        enum Components
+        {
+                SC_BONE         = 1,
+                SC_JOINT        = 2,
+                SC_AXES         = 4
+        };
+
+        // Selects which skeleton components to draw
+        void setSkeletonComponents( U32 comp, BOOL recursive = TRUE );
+
+        // Returns which skeleton components are enables for drawing
+        U32 getSkeletonComponents() { return mComponents; }
+
+        // Sets the level of detail for this node as a minimum
+        // pixel area threshold.  If the current pixel area for this
+        // object is less than the specified threshold, the node is
+        // not traversed.  In additin, if a value is specified (not
+        // default of 0.0), and the pixel area is larger than the
+        // specified miniumn, the node is rendered, but no other siblings
+        // of this node under the same parent will be.
+        F32 getLOD() { return mMinPixelArea; }
+        void setLOD( F32 pixelArea ) { mMinPixelArea = pixelArea; }
+        
+        // Sets the OpenGL selection stack name that is pushed and popped
+        // with this joint state.  The default value indicates that no name
+        // should be pushed/popped.
+        enum PickName
+        {
+                PN_DEFAULT = -1,
+                PN_0 = 0,
+                PN_1 = 1,
+                PN_2 = 2,
+                PN_3 = 3,
+                PN_4 = 4,
+                PN_5 = 5
+        };
+        void setPickName(PickName name) { mPickName = name; }
+        PickName getPickName() { return mPickName; }
+
+        virtual void updateFaceSizes(U32 &num_vertices, F32 pixel_area);
+        virtual void updateFaceData(LLFace *face, F32 pixel_area, BOOL damp_wind = FALSE);
+        virtual BOOL updateLOD(F32 pixel_area, BOOL activate);
+        virtual void dump();
+
+        void setVisible( BOOL visible, BOOL recursive );
+        virtual void writeCAL3D(apr_file_t* fp);
+
+public:
+        static BOOL     sDisableLOD;
+
+protected:
+        BOOL            mValid;
+        U32                     mComponents;
+        F32                     mMinPixelArea;
+        PickName        mPickName;
+        BOOL            mVisible;
+};
+
+class LLViewerJointCollisionVolume : public LLViewerJoint
+{
+public:
+        LLViewerJointCollisionVolume();
+        LLViewerJointCollisionVolume(const std::string &name, LLJoint *parent = NULL);
+        virtual ~LLViewerJointCollisionVolume() {};
+
+        virtual BOOL inheritScale() { return TRUE; }
+
+        void render();
+        LLVector3 getVolumePos(LLVector3 &offset);
+};
+
+#endif // LL_LLVIEWERJOINT_H
+