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diff --git a/indra/llcharacter/llcharacter.h b/indra/llcharacter/llcharacter.h
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+/** 
+ * @file llcharacter.h
+ * @brief Implementation of LLCharacter class.
+ *
+ * Copyright (c) 2001-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#ifndef LL_LLCHARACTER_H
+#define LL_LLCHARACTER_H
+
+//-----------------------------------------------------------------------------
+// Header Files
+//-----------------------------------------------------------------------------
+#include <string>
+
+#include "lljoint.h"
+#include "llmotioncontroller.h"
+#include "llassoclist.h"
+#include "llvisualparam.h"
+#include "linked_lists.h"
+#include "string_table.h"
+#include "llmemory.h"
+
+class LLPolyMesh;
+
+class LLPauseRequestHandle : public LLThreadSafeRefCount
+{
+public:
+	LLPauseRequestHandle() {};
+};
+
+typedef LLPointer<LLPauseRequestHandle> LLAnimPauseRequest;
+
+//-----------------------------------------------------------------------------
+// class LLCharacter
+//-----------------------------------------------------------------------------
+class LLCharacter
+{
+public:
+	// Constructor
+	LLCharacter();
+
+	// Destructor
+	virtual ~LLCharacter();
+
+	//-------------------------------------------------------------------------
+	// LLCharacter Interface
+	// These functions must be implemented by subclasses.
+	//-------------------------------------------------------------------------
+
+	// get the prefix to be used to lookup motion data files
+	// from the viewer data directory
+	virtual const char *getAnimationPrefix() = 0;
+
+	// get the root joint of the character
+	virtual LLJoint *getRootJoint() = 0;
+
+	// get the specified joint
+	// default implementation does recursive search,
+	// subclasses may optimize/cache results.
+	virtual LLJoint *getJoint( const std::string &name );
+
+	// get the position of the character
+	virtual LLVector3 getCharacterPosition() = 0;
+
+	// get the rotation of the character
+	virtual LLQuaternion getCharacterRotation() = 0;
+
+	// get the velocity of the character
+	virtual LLVector3 getCharacterVelocity() = 0;
+
+	// get the angular velocity of the character
+	virtual LLVector3 getCharacterAngularVelocity() = 0;
+
+	// get the height & normal of the ground under a point
+	virtual void getGround(const LLVector3 &inPos, LLVector3 &outPos, LLVector3 &outNorm) = 0;
+
+	// allocate an array of joints for the character skeleton
+	// this must be overloaded to support joint subclasses,
+	// and is called implicitly from buildSkeleton().
+	// Note this must handle reallocation as it will be called
+	// each time buildSkeleton() is called.
+	virtual BOOL allocateCharacterJoints( U32 num ) = 0;
+
+	// skeleton joint accessor to support joint subclasses
+	virtual LLJoint *getCharacterJoint( U32 i ) = 0;
+
+	// get the physics time dilation for the simulator
+	virtual F32 getTimeDilation() = 0;
+
+	// gets current pixel area of this character
+	virtual F32 getPixelArea() = 0;
+
+	// gets the head mesh of the character
+	virtual LLPolyMesh*	getHeadMesh() = 0;
+
+	// gets the upper body mesh of the character
+	virtual LLPolyMesh*	getUpperBodyMesh() = 0;
+
+	// gets global coordinates from agent local coordinates
+	virtual LLVector3d	getPosGlobalFromAgent(const LLVector3 &position) = 0;
+
+	// gets agent local coordinates from global coordinates
+	virtual LLVector3	getPosAgentFromGlobal(const LLVector3d &position) = 0;
+
+	// updates all visual parameters for this character
+	virtual void updateVisualParams();
+
+	virtual void addDebugText( const char* text ) = 0;
+
+	virtual const LLUUID&	getID() = 0;
+	//-------------------------------------------------------------------------
+	// End Interface
+	//-------------------------------------------------------------------------
+	// registers a motion with the character
+	// returns true if successfull
+	BOOL addMotion( const LLUUID& id, LLMotionConstructor create );
+
+	void removeMotion( const LLUUID& id );
+
+	// returns an instance of a registered motion
+	LLMotion* createMotion( const LLUUID &id );
+
+	// start a motion
+	// returns true if successful, false if an error occurred
+	virtual BOOL startMotion( const LLUUID& id, F32 start_offset = 0.f);
+
+	// stop a motion
+	virtual BOOL stopMotion( const LLUUID& id, BOOL stop_immediate = FALSE );
+
+	// is this motion active?
+	BOOL isMotionActive( const LLUUID& id );
+
+	// Event handler for motion deactivation.
+	// Called when a motion has completely stopped and has been deactivated.
+	// Subclasses may optionally override this.
+	// The default implementation does nothing.
+	virtual void requestStopMotion( LLMotion* motion );
+	
+	// periodic update function, steps the motion controller
+	void updateMotion(BOOL force_update = FALSE);
+
+	LLAnimPauseRequest requestPause();
+	BOOL areAnimationsPaused() { return mMotionController.isPaused(); }
+	void setAnimTimeFactor(F32 factor) { mMotionController.setTimeFactor(factor); }
+	void setTimeStep(F32 time_step) { mMotionController.setTimeStep(time_step); }
+	// Releases all motion instances which should result in
+	// no cached references to character joint data.  This is 
+	// useful if a character wants to rebuild it's skeleton.
+	virtual void flushAllMotions();
+
+	// dumps information for debugging
+	virtual void dumpCharacter( LLJoint *joint = NULL );
+
+	virtual F32 getPreferredPelvisHeight() { return mPreferredPelvisHeight; }
+
+	virtual LLVector3 getVolumePos(S32 joint_index, LLVector3& volume_offset) { return LLVector3::zero; }
+	
+	virtual LLJoint* findCollisionVolume(U32 volume_id) { return NULL; }
+
+	virtual S32 getCollisionVolumeID(std::string &name) { return -1; }
+
+	void setAnimationData(std::string name, void *data);
+	
+	void *getAnimationData(std::string name);
+
+	void removeAnimationData(std::string name);
+	
+	void addVisualParam(LLVisualParam *param);
+	void addSharedVisualParam(LLVisualParam *param);
+
+	BOOL setVisualParamWeight(LLVisualParam *which_param, F32 weight, BOOL set_by_user = FALSE );
+	BOOL setVisualParamWeight(const char* param_name, F32 weight, BOOL set_by_user = FALSE );
+	BOOL setVisualParamWeight(S32 index, F32 weight, BOOL set_by_user = FALSE );
+
+	// get visual param weight by param or name
+	F32 getVisualParamWeight(LLVisualParam *distortion);
+	F32 getVisualParamWeight(const char* param_name);
+	F32 getVisualParamWeight(S32 index);
+
+	// set all morph weights to 0
+	void clearVisualParamWeights();
+
+	// visual parameter accessors
+	LLVisualParam*	getFirstVisualParam()
+	{
+		mCurIterator = mVisualParamIndexMap.begin();
+		return getNextVisualParam();
+	}
+	LLVisualParam*	getNextVisualParam()
+	{
+		if (mCurIterator == mVisualParamIndexMap.end())
+			return 0;
+		return (mCurIterator++)->second;
+	}
+
+	LLVisualParam*	getVisualParam(S32 id)
+	{
+		VisualParamIndexMap_t::iterator iter = mVisualParamIndexMap.find(id);
+		return (iter == mVisualParamIndexMap.end()) ? 0 : iter->second;
+	}
+	S32 getVisualParamID(LLVisualParam *id)
+	{
+		VisualParamIndexMap_t::iterator iter;
+		for (iter = mVisualParamIndexMap.begin(); iter != mVisualParamIndexMap.end(); iter++)
+		{
+			if (iter->second == id)
+				return iter->first;
+		}
+		return 0;
+	}
+	S32				getVisualParamCount() { return (S32)mVisualParamIndexMap.size(); }
+	LLVisualParam*	getVisualParam(const char *name);
+
+
+	ESex getSex()				{ return mSex; }
+	void setSex( ESex sex )		{ mSex = sex; }
+
+	U32				getAppearanceSerialNum() const		{ return mAppearanceSerialNum; }
+	void			setAppearanceSerialNum( U32 num )	{ mAppearanceSerialNum = num; }
+	
+	U32				getSkeletonSerialNum() const		{ return mSkeletonSerialNum; }
+	void			setSkeletonSerialNum( U32 num )	{ mSkeletonSerialNum = num; }
+
+	static LLLinkedList< LLCharacter > sInstances;
+
+protected:
+	LLMotionController	mMotionController;
+
+	LLAssocList<std::string, void *> mAnimationData;
+
+	F32					mPreferredPelvisHeight;
+	ESex				mSex;
+	U32					mAppearanceSerialNum;
+	U32					mSkeletonSerialNum;
+	LLAnimPauseRequest	mPauseRequest;
+
+
+private:
+	// visual parameter stuff
+	typedef std::map<S32, LLVisualParam *>    VisualParamIndexMap_t;
+	VisualParamIndexMap_t mVisualParamIndexMap;
+	VisualParamIndexMap_t::iterator mCurIterator;
+	typedef std::map<char *, LLVisualParam *> VisualParamNameMap_t;
+	VisualParamNameMap_t  mVisualParamNameMap;
+
+	static LLStringTable sVisualParamNames;	
+};
+
+#endif // LL_LLCHARACTER_H
+