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#ifndef PX_ARTICULATION_TENDON_H
#define PX_ARTICULATION_TENDON_H

#include "PxPhysXConfig.h"
#include "common/PxBase.h"
#include "solver/PxSolverDefs.h"

#if !PX_DOXYGEN
namespace physx
{
#endif
    class PxArticulationSpatialTendon;
    class PxArticulationFixedTendon;
    class PxArticulationLink;
    class PxArticulationTendonLimit
    {
    public:
        PxReal lowLimit;
        PxReal highLimit;
    };

    class PxArticulationAttachment : public PxBase
    {

    public:

        virtual ~PxArticulationAttachment() {}
        virtual     void                            setRestLength(const PxReal restLength) = 0;

        virtual     PxReal                          getRestLength() const = 0;

        virtual     void                            setLimitParameters(const PxArticulationTendonLimit& parameters) = 0;

        virtual     PxArticulationTendonLimit       getLimitParameters() const = 0;

        virtual     void                            setRelativeOffset(const PxVec3& offset) = 0;

        virtual     PxVec3                          getRelativeOffset() const = 0;

        virtual     void                            setCoefficient(const PxReal coefficient) = 0;

        virtual     PxReal                          getCoefficient() const = 0;

        virtual     PxArticulationLink*             getLink() const = 0;

        virtual     PxArticulationAttachment*       getParent() const = 0;

        virtual     bool                            isLeaf() const = 0;

        virtual     PxArticulationSpatialTendon*    getTendon() const = 0;

        virtual     void                            release() = 0;

                    void*                           userData;

        virtual const char*                     getConcreteTypeName() const { return "PxArticulationAttachment"; }

    protected:

        PX_INLINE   PxArticulationAttachment(PxType concreteType, PxBaseFlags baseFlags) : PxBase(concreteType, baseFlags) {}
        PX_INLINE   PxArticulationAttachment(PxBaseFlags baseFlags) : PxBase(baseFlags) {}
    };


    class PxArticulationTendonJoint : public PxBase
    {

    public:

        virtual ~PxArticulationTendonJoint() {}

        virtual     void                            setCoefficient(const PxArticulationAxis::Enum axis, const PxReal coefficient, const PxReal recipCoefficient) = 0;

        virtual     void                            getCoefficient(PxArticulationAxis::Enum& axis, PxReal& coefficient, PxReal& recipCoefficient) const = 0;

        virtual     PxArticulationLink*             getLink() const = 0;

        virtual     PxArticulationTendonJoint*      getParent() const = 0;

        virtual     PxArticulationFixedTendon*      getTendon() const = 0;

        virtual     void                            release() = 0;

                    void*                           userData;

        virtual const char*                         getConcreteTypeName() const { return "PxArticulationTendonJoint"; }

    protected:

        PX_INLINE   PxArticulationTendonJoint(PxType concreteType, PxBaseFlags baseFlags) : PxBase(concreteType, baseFlags) {}
        PX_INLINE   PxArticulationTendonJoint(PxBaseFlags baseFlags) : PxBase(baseFlags) {}
    };


    class PxArticulationTendon : public PxBase
    {
    public:
        virtual     void                            setStiffness(const PxReal stiffness) = 0;

        virtual     PxReal                          getStiffness() const = 0;

        virtual     void                            setDamping(const PxReal damping) = 0;

        virtual     PxReal                          getDamping() const = 0;

        virtual     void                            setLimitStiffness(const PxReal stiffness) = 0;

        virtual     PxReal                          getLimitStiffness() const = 0;

        virtual     void                            setOffset(const PxReal offset, bool autowake = true) = 0;

        virtual     PxReal                          getOffset() const = 0;

        virtual     PxArticulationReducedCoordinate* getArticulation() const = 0;

        virtual     void                            release() = 0;

        virtual                                     ~PxArticulationTendon() {}

                    void*                           userData;

    protected:
        PX_INLINE   PxArticulationTendon(PxType concreteType, PxBaseFlags baseFlags) : PxBase(concreteType, baseFlags) {}
        PX_INLINE   PxArticulationTendon(PxBaseFlags baseFlags) : PxBase(baseFlags) {}
    };

    class PxArticulationSpatialTendon : public PxArticulationTendon
    {
    public:
        virtual     PxArticulationAttachment*       createAttachment(PxArticulationAttachment* parent, const PxReal coefficient, const PxVec3 relativeOffset, PxArticulationLink* link) = 0;

        virtual     PxU32                           getAttachments(PxArticulationAttachment** userBuffer, PxU32 bufferSize, PxU32 startIndex = 0) const = 0;

        virtual     PxU32                           getNbAttachments() const = 0;

        virtual const char*                     getConcreteTypeName() const { return "PxArticulationSpatialTendon"; }

        virtual                                 ~PxArticulationSpatialTendon() {}

    protected:
        PX_INLINE   PxArticulationSpatialTendon(PxType concreteType, PxBaseFlags baseFlags) : PxArticulationTendon(concreteType, baseFlags) {}
        PX_INLINE   PxArticulationSpatialTendon(PxBaseFlags baseFlags) : PxArticulationTendon(baseFlags) {}

    };

    class PxArticulationFixedTendon : public PxArticulationTendon
    {
    public:
        virtual     PxArticulationTendonJoint*      createTendonJoint(PxArticulationTendonJoint* parent, PxArticulationAxis::Enum axis, const PxReal coefficient, const PxReal recipCoefficient, PxArticulationLink* link) = 0;

        virtual     PxU32                           getTendonJoints(PxArticulationTendonJoint** userBuffer, PxU32 bufferSize, PxU32 startIndex = 0) const = 0;

        virtual     PxU32                           getNbTendonJoints() const = 0;

        virtual     void                            setRestLength(const PxReal restLength) = 0;

        virtual     PxReal                          getRestLength() const = 0;

        virtual     void                            setLimitParameters(const PxArticulationTendonLimit& parameter) = 0;


        virtual     PxArticulationTendonLimit       getLimitParameters() const = 0;

        virtual const char*                     getConcreteTypeName() const { return "PxArticulationFixedTendon"; }

        virtual                                 ~PxArticulationFixedTendon() {}

    protected:
        PX_INLINE   PxArticulationFixedTendon(PxType concreteType, PxBaseFlags baseFlags) : PxArticulationTendon(concreteType, baseFlags) {}
        PX_INLINE   PxArticulationFixedTendon(PxBaseFlags baseFlags) : PxArticulationTendon(baseFlags) {}
    };

#if !PX_DOXYGEN
} // namespace physx
#endif

#endif