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/**
* @file llvisualparam.h
* @brief Implementation of LLPolyMesh class.
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* 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://secondlifegrid.net/programs/open_source/licensing/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://secondlifegrid.net/programs/open_source/licensing/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.
* $/LicenseInfo$
*/
#ifndef LL_LLVisualParam_H
#define LL_LLVisualParam_H
#include "v3math.h"
#include "llstring.h"
#include "llxmltree.h"
#include <boost/function.hpp>
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);
S32 getID() const { return mID; }
virtual void toStream(std::ostream &out);
protected:
S32 mID; // ID associated with VisualParam
std::string mName; // name (for internal purposes)
std::string mDisplayName; // name displayed to the user
std::string mMinName; // name associated with minimum value
std::string 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:
typedef boost::function<LLVisualParam*(S32)> visual_param_mapper;
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 upload_bake);
virtual void setAnimationTarget( F32 target_value, BOOL upload_bake );
virtual void animate(F32 delta, BOOL upload_bake);
virtual void stopAnimating(BOOL upload_bake);
virtual BOOL linkDrivenParams(visual_param_mapper mapper, BOOL only_cross_params);
virtual void resetDrivenParams();
// Interface methods
S32 getID() const { return mID; }
void setID(S32 id) { llassert(!mInfo); mID = id; }
const std::string& getName() const { return mInfo->mName; }
const std::string& getDisplayName() const { return mInfo->mDisplayName; }
const std::string& getMaxDisplayName() const { return mInfo->mMaxName; }
const std::string& getMinDisplayName() const { return mInfo->mMinName; }
void setDisplayName(const std::string& s) { mInfo->mDisplayName = s; }
void setMaxDisplayName(const std::string& s) { mInfo->mMaxName = s; }
void setMinDisplayName(const std::string& s) { mInfo->mMinName = s; }
EVisualParamGroup getGroup() const { return mInfo->mGroup; }
F32 getMinWeight() const { return mInfo->mMinWeight; }
F32 getMaxWeight() const { return mInfo->mMaxWeight; }
F32 getDefaultWeight() const { return mInfo->mDefaultWeight; }
ESex getSex() const { return mInfo->mSex; }
F32 getWeight() const { return mIsAnimating ? mTargetWeight : mCurWeight; }
F32 getCurrentWeight() const { return mCurWeight; }
F32 getLastWeight() const { return mLastWeight; }
BOOL isAnimating() const { return mIsAnimating; }
LLVisualParam* getNextParam() { return mNext; }
void setNextParam( LLVisualParam *next );
virtual void setAnimating(BOOL is_animating) { mIsAnimating = is_animating && !mIsDummy; }
BOOL getAnimating() const { return mIsAnimating; }
void setIsDummy(BOOL is_dummy) { mIsDummy = is_dummy; }
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
BOOL mIsDummy; // this is used to prevent dummy visual params from animating
S32 mID; // id for storing weight/morphtarget compares compactly
LLVisualParamInfo *mInfo;
};
#endif // LL_LLVisualParam_H
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