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/**
* @file llvisualparam.h
* @brief Implementation of LLPolyMesh class.
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#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,
VISUAL_PARAM_GROUP_TWEAKABLE_NO_TRANSMIT,
VISUAL_PARAM_GROUP_TRANSMIT_NOT_TWEAKABLE, // deprecated params that used to be tweakable.
NUM_VISUAL_PARAM_GROUPS
};
enum EParamLocation
{
LOC_UNKNOWN,
LOC_AV_SELF,
LOC_AV_OTHER,
LOC_WEARABLE
};
const std::string param_location_name(const EParamLocation& loc);
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
//-----------------------------------------------------------------------------
LL_ALIGN_PREFIX(16)
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);
virtual void setAnimationTarget( F32 target_value);
virtual void animate(F32 delta);
virtual void stopAnimating();
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; }
void setLastWeight(F32 val) { mLastWeight = val; }
bool isAnimating() const { return mIsAnimating; }
bool isTweakable() const { return (getGroup() == VISUAL_PARAM_GROUP_TWEAKABLE) || (getGroup() == VISUAL_PARAM_GROUP_TWEAKABLE_NO_TRANSMIT); }
LLVisualParam* getNextParam() { return mNext; }
void setNextParam( LLVisualParam *next );
void clearNextParam();
virtual void setAnimating(bool is_animating) { mIsAnimating = is_animating && !mIsDummy; }
bool getAnimating() const { return mIsAnimating; }
void setIsDummy(bool is_dummy) { mIsDummy = is_dummy; }
void setParamLocation(EParamLocation loc);
EParamLocation getParamLocation() const { return mParamLocation; }
protected:
LLVisualParam(const LLVisualParam& pOther);
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;
EParamLocation mParamLocation; // where does this visual param live?
} LL_ALIGN_POSTFIX(16);
#endif // LL_LLVisualParam_H
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