constraints/constraintdeformer/orconstraintdeformer_constraint.h

#ifndef __ORCONSTRAINT_DEFORMER_CONSTRAINT_H__
#define __ORCONSTRAINT_DEFORMER_CONSTRAINT_H__
/***************************************************************************************
 Autodesk(R) Open Reality(R) Samples
 
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***************************************************************************************/

//--- SDK include
#include <fbsdk/fbsdk.h>

#define ORCONSTRAINTDEFORMER__CLASSNAME     ORConstraintDeformer
#define ORCONSTRAINTDEFORMER__CLASSSTR      "ORConstraintDeformer"

enum FBAlterPoints {kFBAlterPointsEven, kFBAlterPointsOdd, kFBAlterPointsBoth };

class ORConstraintDeformer : public FBConstraint
{
    //--- declaration
    FBConstraintDeclare( ORConstraintDeformer, FBConstraint );

public:
    //--- Creation & Destruction
    virtual bool            FBCreate() override;                        
    virtual void            FBDestroy() override;                       

    //--- Animation node management
    virtual void            RemoveAllAnimationNodes() override;         
    virtual void            SetupAllAnimationNodes() override;          
    virtual void            FreezeSuggested() override;                 

    //--- Real-Time Engine
    virtual bool            AnimationNodeNotify     ( FBAnimationNode* pAnimationNode, FBEvaluateInfo* pEvaluateInfo, FBConstraintInfo* pConstraintInfo ) override;

    virtual bool            DeformerNotify( FBModel* pModel, const FBVertex*  pSrcVertex, const FBVertex* pSrcNormal,
                                            int pCount,
                                            FBVertex*  pDstVertex,FBVertex*  pDstNormal) override;
    //--- Binding notification callback
    virtual bool ReferenceRemoveNotify( int pGroupIndex, FBModel* pModel ) override;
    virtual bool ReferenceAddNotify( int pGroupIndex, FBModel* pModel ) override;

    //--- FBX Interface
    virtual bool            FbxStore    ( FBFbxObject* pFbxObject, kFbxObjectStore pStoreWhat ) override;   
    virtual bool            FbxRetrieve ( FBFbxObject* pFbxObject, kFbxObjectStore pStoreWhat ) override;   

    void                    SetMultiplier( double pMultiplier )     {   DispMultiplier = pMultiplier;   }
    double                  GetMultiplier()                         {   return DispMultiplier;          }

private:
    //--- Local parameters
    FBAnimationNode*    mSourceTranslation;     
    FBAnimationNode*    mDeformTranslation;     
    FBAnimationNode*    mGhostNode;             

    int                 mGroupSource;           
    int                 mGroupDeform;           

    //--- Calculations for deformation
    FBPropertyAnimatableDouble                  DispMultiplier; 
    FBPropertyBaseEnum<enum FBAlterPoints>      AlterPoints;    
    FBTVector                   mPosition;      
    FBTVector                   mOldPosition;   
    FBTVector                   mDisplacement;  
    bool                        mFirstTime;     
    FBSVector                   mScaling;       
public:
    FBAlterPoints               mAlterPoints;   

};

#endif  /* __ORCONSTRAINT_DEFORMER_CONSTRAINT_H__ */