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/**
* @file lldriverparam.h
* @brief A visual parameter that drives (controls) other visual parameters.
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* 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_LLDRIVERPARAM_H
#define LL_LLDRIVERPARAM_H
#include "llviewervisualparam.h"
#include "llwearabletype.h"
#include <deque>
class LLAvatarAppearance;
class LLDriverParam;
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;
LLDriverParam* mDriverParam; // backpointer
};
//-----------------------------------------------------------------------------
class alignas(16) LLDriverParam : public LLViewerVisualParam
{
LL_ALIGN_NEW
private:
// Hide the default constructor. Force construction with LLAvatarAppearance.
LLDriverParam() {}
public:
LLDriverParam(LLAvatarAppearance* appearance, LLWearable* wearable = NULL);
~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);
LLAvatarAppearance* getAvatarAppearance() { return mAvatarAppearance; }
const LLAvatarAppearance* getAvatarAppearance() const { return mAvatarAppearance; }
void updateCrossDrivenParams(LLWearableType::EType driven_type);
/*virtual*/ LLViewerVisualParam* cloneParam(LLWearable* wearable) const;
// LLVisualParam Virtual functions
/*virtual*/ void apply(ESex sex) {} // apply is called separately for each driven param.
/*virtual*/ void setWeight(F32 weight);
/*virtual*/ void setAnimationTarget(F32 target_value);
/*virtual*/ void stopAnimating();
/*virtual*/ bool linkDrivenParams(visual_param_mapper mapper, bool only_cross_params);
/*virtual*/ void resetDrivenParams();
// LLViewerVisualParam Virtual functions
/*virtual*/ F32 getTotalDistortion();
/*virtual*/ const LLVector4a& getAvgDistortion();
/*virtual*/ F32 getMaxDistortion();
/*virtual*/ LLVector4a getVertexDistortion(S32 index, LLPolyMesh* poly_mesh);
/*virtual*/ const LLVector4a* getFirstDistortion(U32* index, LLPolyMesh** poly_mesh);
/*virtual*/ const LLVector4a* getNextDistortion(U32* index, LLPolyMesh** poly_mesh);
S32 getDrivenParamsCount() const;
const LLViewerVisualParam* getDrivenParam(S32 index) const;
typedef std::vector<LLDrivenEntry> entry_list_t;
entry_list_t& getDrivenList() { return mDriven; }
void setDrivenList(entry_list_t& driven_list) { mDriven = driven_list; }
protected:
LLDriverParam(const LLDriverParam& pOther);
F32 getDrivenWeight(const LLDrivenEntry* driven, F32 input_weight);
void setDrivenWeight(LLDrivenEntry* driven, F32 driven_weight);
LL_ALIGN_16(LLVector4a mDefaultVec); // temp holder
entry_list_t mDriven;
LLViewerVisualParam* mCurrentDistortionParam;
// Backlink only; don't make this an LLPointer.
LLAvatarAppearance* mAvatarAppearance;
LLWearable* mWearablep;
};
#endif // LL_LLDRIVERPARAM_H
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