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diff --git a/indra/newview/llviewerjoint.h b/indra/newview/llviewerjoint.h
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+/** 
+ * @file llviewerjoint.h
+ * @brief Implementation of LLViewerJoint class
+ *
+ * Copyright (c) 2001-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#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
+