llvisualparam.h
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- /**
- * @file llvisualparam.h
- * @brief Implementation of LLPolyMesh class.
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * Copyright (c) 2001-2010, 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