1 files changed, 131 insertions, 0 deletions
diff --git a/indra/llcharacter/llvisualparam.h b/indra/llcharacter/llvisualparam.h
new file mode 100644
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+++ b/indra/llcharacter/llvisualparam.h
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+/** 
+ * @file llvisualparam.h
+ * @brief Implementation of LLPolyMesh class.
+ *
+ * Copyright (c) 2001-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#ifndef LL_LLVisualParam_H
+#define LL_LLVisualParam_H
+
+#include "v3math.h"
+#include "llstring.h"
+#include "llxmltree.h"
+
+class LLPolyMesh;
+class LLXmlTreeNode;
+
+enum ESex
+{
+	SEX_FEMALE =	0x01,
+	SEX_MALE =		0x02,
+	SEX_BOTH =		0x03  // values chosen to allow use as a bit field.
+};
+
+enum EVisualParamGroup
+{
+	VISUAL_PARAM_GROUP_TWEAKABLE,
+	VISUAL_PARAM_GROUP_ANIMATABLE,
+	NUM_VISUAL_PARAM_GROUPS
+};
+
+const S32 MAX_TRANSMITTED_VISUAL_PARAMS = 255;
+
+//-----------------------------------------------------------------------------
+// LLVisualParamInfo
+// Contains shared data for VisualParams
+//-----------------------------------------------------------------------------
+class LLVisualParamInfo
+{
+	friend class LLVisualParam;
+public:
+	LLVisualParamInfo();
+	virtual ~LLVisualParamInfo() {};
+
+	virtual BOOL parseXml(LLXmlTreeNode *node);
+	
+protected:
+	S32					mID;				// ID associated with VisualParam
+	
+	LLString			mName;				// name (for internal purposes)
+	LLString			mDisplayName;		// name displayed to the user
+	LLString			mMinName;			// name associated with minimum value
+	LLString			mMaxName;			// name associated with maximum value
+	EVisualParamGroup	mGroup;				// morph group for separating UI controls
+	F32					mMinWeight;			// minimum weight that can be assigned to this morph target
+	F32					mMaxWeight;			// maximum weight that can be assigned to this morph target
+	F32					mDefaultWeight;		
+	ESex				mSex;				// Which gender(s) this param applies to.
+};
+
+//-----------------------------------------------------------------------------
+// LLVisualParam
+// VIRTUAL CLASS
+// An interface class for a generalized parametric modification of the avatar mesh
+// Contains data that is specific to each Avatar
+//-----------------------------------------------------------------------------
+class LLVisualParam
+{
+public:
+	LLVisualParam();
+	virtual ~LLVisualParam();
+
+	// Special: These functions are overridden by child classes
+	// (They can not be virtual because they use specific derived Info classes)
+	LLVisualParamInfo*		getInfo() const { return mInfo; }
+	//   This sets mInfo and calls initialization functions
+	BOOL					setInfo(LLVisualParamInfo *info);
+
+	// Virtual functions
+	//  Pure virtuals
+	//virtual BOOL			parseData( LLXmlTreeNode *node ) = 0;
+	virtual void			apply( ESex avatar_sex ) = 0;
+	//  Default functions
+	virtual void			setWeight(F32 weight, BOOL set_by_user);
+	virtual void			setAnimationTarget( F32 target_value, BOOL set_by_user );
+	virtual void			animate(F32 delta, BOOL set_by_user);
+	virtual void			stopAnimating(BOOL set_by_user);
+
+	// Interface methods
+	const S32				getID() 			{ return mID; }
+	void					setID(S32 id) 		{ llassert(!mInfo); mID = id; }
+	
+	const LLString&			getName() const 			{ return mInfo->mName; }
+	const LLString&			getDisplayName() const 		{ return mInfo->mDisplayName; }
+	const LLString&			getMaxDisplayName() const	{ return mInfo->mMaxName; }
+	const LLString&			getMinDisplayName() const	{ return mInfo->mMinName; }
+
+	void					setDisplayName(const char* s) 	 { mInfo->mDisplayName = s; }
+	void					setMaxDisplayName(const char* s) { mInfo->mMaxName = s; }
+	void					setMinDisplayName(const char* s) { mInfo->mMinName = s; }
+
+	const EVisualParamGroup	getGroup() 			{ return mInfo->mGroup; }
+	F32						getMinWeight() 		{ return mInfo->mMinWeight; }
+	F32						getMaxWeight() 		{ return mInfo->mMaxWeight; }
+	F32						getDefaultWeight() 	{ return mInfo->mDefaultWeight; }
+	ESex					getSex()			{ return mInfo->mSex; }
+
+	F32						getWeight() 		{ return mIsAnimating ? mTargetWeight : mCurWeight; }
+	F32						getCurrentWeight() 	{ return mCurWeight; }
+	F32						getLastWeight() 	{ return mLastWeight; }
+	BOOL					isAnimating() 	{ return mIsAnimating; }
+
+	LLVisualParam*			getNextParam()		{ return mNext; }
+	void					setNextParam( LLVisualParam *next );
+	
+	virtual void			setAnimating(BOOL is_animating) { mIsAnimating = is_animating; }
+	BOOL					getAnimating() { return mIsAnimating; }
+
+protected:
+	F32					mCurWeight;			// current weight
+	F32					mLastWeight;		// last weight
+	LLVisualParam*		mNext;				// next param in a shared chain
+	F32					mTargetWeight;		// interpolation target
+	BOOL				mIsAnimating;	// this value has been given an interpolation target
+
+	S32					mID;				// id for storing weight/morphtarget compares compactly
+	LLVisualParamInfo	*mInfo;
+};
+
+#endif // LL_LLVisualParam_H