lldriverparam.h

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#ifndef LL_LLDRIVERPARAM_H
#define LL_LLDRIVERPARAM_H

#include "llvoavatar.h"
#include "llviewervisualparam.h"

//-----------------------------------------------------------------------------

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);

protected:
        typedef std::deque<LLDrivenEntryInfo> entry_info_list_t;
        entry_info_list_t mDrivenInfoList;
};

//-----------------------------------------------------------------------------

class LLDriverParam : public LLViewerVisualParam
{
public:
        LLDriverParam(LLVOAvatar *avatarp);
        ~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);

        // LLVisualParam Virtual functions
        /*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);
        
        // 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);


        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;
};

#endif  // LL_LLDRIVERPARAM_H

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