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/*  Copyright (c) 2009-2011  Nagoya Institute of Technology          */
/*                           Department of Computer Science          */
/*                2010-2011  hkrn                                    */
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#ifndef MMDME_PMDBONE_H_
#define MMDME_PMDBONE_H_

#include <btBulletDynamicsCommon.h>

#include "MMDME/Common.h"
#include "MMDME/PMDFile.h"

namespace MMDAI {

#define PMDBONE_KNEENAME "ひざ"
#define PMDBONE_ADDITIONALROOTNAME  "全ての親", "両足オフセ", "右足オフセ", "左足オフセ"
#define PMDBONE_NADDITIONALROOTNAME 4

class PMDBone
{
public:
    PMDBone();
    ~PMDBone();

    bool setup(const PMDFile_Bone *b, PMDBone *boneList, const uint16_t maxBones, PMDBone *rootBone);
    void computeOffset();
    void reset();
    void setMotionIndependency();
    void updateRotate();
    void update();
    void calcSkinningTrans(btTransform *b);

    inline const char *getName() const {
        return m_name;
    }
    inline unsigned char getType() const {
        return m_type;
    }
    inline const btTransform &getTransform() const {
        return m_trans;
    }
    inline void setTransform(const btTransform &value) {
        m_trans = value;
    }
    inline const btVector3 &getOriginPosition() const {
        return m_originPosition;
    }
    inline bool isLimitAngleX() const {
        return m_limitAngleX;
    }
    inline bool hasMotionIndependency() const {
        return m_motionIndependent;
    }
    inline void setSimulated(bool value) {
        m_simulated = value;
    }
    inline bool isSimulated() const {
        return m_simulated;
    }
    inline const btVector3 &getOffset() const {
        return m_offset;
    }
    inline void setOffset(const btVector3 &value) {
        m_offset = value;
    }
    inline PMDBone *getParentBone() const {
        return m_parentBone;
    }
    inline const btVector3 &getCurrentPosition() const {
        return m_pos;
    }
    inline void setCurrentPosition(const btVector3 &value) {
        m_pos = value;
    }
    inline const btQuaternion &getCurrentRotation() {
        return m_rot;
    }
    inline void setCurrentRotation(const btQuaternion &value) {
        m_rot = value;
    }

private:
    void release();

    char *m_name;
    PMDBone *m_parentBone;
    PMDBone *m_childBone;
    unsigned char m_type;
    PMDBone *m_targetBone;
    btVector3 m_originPosition;
    float m_rotateCoef;
    btVector3 m_offset;
    bool m_parentIsRoot;
    bool m_limitAngleX;
    bool m_motionIndependent;
    btTransform m_trans;
    btTransform m_transMoveToOrigin;
    bool m_simulated;
    btVector3 m_pos;
    btQuaternion m_rot;

    MMDME_DISABLE_COPY_AND_ASSIGN(PMDBone);
};

} /* namespace */

#endif
