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/**
* @file lldriverparam.h
* @brief A visual parameter that drives (controls) other visual parameters.
*
* $LicenseInfo:firstyear=2002&license=viewergpl$
*
* Copyright (c) 2002-2009, 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_LLDRIVERPARAM_H
#define LL_LLDRIVERPARAM_H
#include "llviewervisualparam.h"
class LLVOAvatar;
class LLWearable;
//-----------------------------------------------------------------------------
struct LLDrivenEntryInfo
{
LLDrivenEntryInfo( S32 id, F32 min1, F32 max1, F32 max2, F32 min2 )
: mDrivenID( id ), mMin1( min1 ), mMax1( max1 ), mMax2( max2 ), mMin2( min2 ) {}
S32 mDrivenID;
F32 mMin1;
F32 mMax1;
F32 mMax2;
F32 mMin2;
};
struct LLDrivenEntry
{
LLDrivenEntry( LLViewerVisualParam* param, LLDrivenEntryInfo *info )
: mParam( param ), mInfo( info ) {}
LLViewerVisualParam* mParam;
LLDrivenEntryInfo* mInfo;
};
//-----------------------------------------------------------------------------
class LLDriverParamInfo : public LLViewerVisualParamInfo
{
friend class LLDriverParam;
public:
LLDriverParamInfo();
/*virtual*/ ~LLDriverParamInfo() {};
/*virtual*/ BOOL parseXml(LLXmlTreeNode* node);
/*virtual*/ void toStream(std::ostream &out);
protected:
typedef std::deque<LLDrivenEntryInfo> entry_info_list_t;
entry_info_list_t mDrivenInfoList;
};
//-----------------------------------------------------------------------------
class LLDriverParam : public LLViewerVisualParam
{
public:
LLDriverParam(LLVOAvatar *avatarp);
LLDriverParam(LLWearable *wearablep);
~LLDriverParam();
// Special: These functions are overridden by child classes
LLDriverParamInfo* getInfo() const { return (LLDriverParamInfo*)mInfo; }
// This sets mInfo and calls initialization functions
BOOL setInfo(LLDriverParamInfo *info);
void setWearable(LLWearable *wearablep);
void setAvatar(LLVOAvatar *avatarp);
/*virtual*/ LLViewerVisualParam* cloneParam(LLWearable* wearable) const;
// LLVisualParam Virtual functions
///*virtual*/ BOOL parseData(LLXmlTreeNode* node);
/*virtual*/ void apply( ESex sex ) {} // apply is called separately for each driven param.
/*virtual*/ void setWeight(F32 weight, BOOL set_by_user);
/*virtual*/ void setAnimationTarget( F32 target_value, BOOL set_by_user );
/*virtual*/ void stopAnimating(BOOL set_by_user);
/*virtual*/ BOOL linkDrivenParams(visual_param_mapper mapper, BOOL only_cross_params);
/*virtual*/ void resetDrivenParams();
// LLViewerVisualParam Virtual functions
/*virtual*/ F32 getTotalDistortion();
/*virtual*/ const LLVector3& getAvgDistortion();
/*virtual*/ F32 getMaxDistortion();
/*virtual*/ LLVector3 getVertexDistortion(S32 index, LLPolyMesh *poly_mesh);
/*virtual*/ const LLVector3* getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh);
/*virtual*/ const LLVector3* getNextDistortion(U32 *index, LLPolyMesh **poly_mesh);
protected:
F32 getDrivenWeight(const LLDrivenEntry* driven, F32 input_weight);
void setDrivenWeight(LLDrivenEntry *driven, F32 driven_weight, bool set_by_user);
LLVector3 mDefaultVec; // temp holder
typedef std::vector<LLDrivenEntry> entry_list_t;
entry_list_t mDriven;
LLViewerVisualParam* mCurrentDistortionParam;
// Backlink only; don't make this an LLPointer.
LLVOAvatar* mAvatarp;
LLWearable* mWearablep;
};
#endif // LL_LLDRIVERPARAM_H
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