SceneGraphBinder.h

Go to the documentation of this file.

#ifndef __SceneGraphBinder_h
#define __SceneGraphBinder_h

#include <map>
#include <string>

#ifndef __SceneGraphNode_h
#include "gVirtualXRay/SceneGraphNode.h"
#endif

// For MATRIX4
#ifndef __Types_h
#include "gVirtualXRay/Types.h"
#endif


//******************************************************************************
//  namespace
//******************************************************************************
namespace gVirtualXRay {


class SceneGraphBinder
{
public:
    SceneGraphBinder();
    SceneGraphBinder(const SceneGraphBinder& aSceneGraph);
    SceneGraphBinder(const std::string& aFileName, RATIONAL_NUMBER aUnitOfLength);
    SceneGraphBinder(const char* aFileName, RATIONAL_NUMBER aUnitOfLength);
    virtual ~SceneGraphBinder();

    SceneGraphBinder& operator=(const SceneGraphBinder& aSceneGraph);


    virtual void loadSceneGraph(const char* aFileName, RATIONAL_NUMBER aUnitOfLength);


    virtual void loadSceneGraph(const std::string& aFileName, RATIONAL_NUMBER aUnitOfLength);

    void clear();


    //const PolygonMesh& getPolygonMesh(const std::string& aLabel) const;
    //const PolygonMesh& getPolygonMesh(const char* aLabel) const;

    //PolygonMesh& getPolygonMesh(const std::string& aLabel);
    //PolygonMesh& getPolygonMesh(const char* aLabel);



    void display(GLint aShaderID);

    void scale(const std::string& aNodeLabel,
            const VEC3& aScalingFactorSet);

    virtual void scale(const char* aNodeLabel,
            const VEC3& aScalingFactorSet);

    void rotate(const std::string& aNodeLabel,
            float aRotationAngleInDegrees,
            const VEC3& aRotationAxis);


    virtual void rotate(const char* aNodeLabel,
            float aRotationAngleInDegrees,
            const VEC3& aRotationAxis);



    void translate(const std::string& aNodeLabel,
            const VEC3& aTranslationVector);

    virtual void translate(const char* aNodeLabel,
            const VEC3& aTranslationVector);


    MATRIX4 getLocalTransformationMatrix(const std::string& aNodeLabel) const;
    MATRIX4 getLocalTransformationMatrix(const char* aNodeLabel) const;
    MATRIX4 getWorldTransformationMatrix(const std::string& aNodeLabel) const;
    MATRIX4 getWorldTransformationMatrix(const char* aNodeLabel) const;

    void moveToCentre(const std::string& aNodeLabel);
    void moveToCentre(const char* aNodeLabel);
    void moveToCenter(const std::string& aNodeLabel);
    void moveToCenter(const char* aNodeLabel);

    void moveToCentre();
    void moveToCenter();

    virtual MATRIX4 getRootNodeTransformationMatrix() const;
    virtual MATRIX4 getNodeLocalTransformationMatrix(const char* aNodeLabel) const;
    virtual MATRIX4 getNodeWorldTransformationMatrix(const char* aNodeLabel) const;

    virtual void setRootNodeTransformationMatrix(const MATRIX4& aTransformationMatrix);
    virtual void setNodeLocalTransformationMatrix(const char* aNodeLabel, const MATRIX4& aTransformationMatrix);

    std::pair<VEC3, VEC3> getBoundingBox();


    void addPolygonMesh(const std::string& aLabel, const PolygonMesh& aPolygonMesh, const VEC3& aPosition, const std::string& aParent = "root");


    SceneGraphNode* getNode(const std::string& aLabel);
    const SceneGraphNode* getNode(const std::string& aLabel) const;

protected:
    SceneGraphNode m_root_node;
    RATIONAL_NUMBER m_unit_of_length;
};


} // namespace gVirtualXRay


#endif // __SceneGraphBinder_h