glc_structinstance.h

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/****************************************************************************

 This file is part of the GLC-lib library.
 Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net)
 http://glc-lib.sourceforge.net

 GLC-lib is free software; you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as published by
 the Free Software Foundation; either version 3 of the License, or
 (at your option) any later version.

 GLC-lib is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public License
 along with GLC-lib; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

*****************************************************************************/


#ifndef GLC_STRUCTINSTANCE_H_
#define GLC_STRUCTINSTANCE_H_

#include <QList>
#include <QString>
#include "../maths/glc_matrix4x4.h"
#include "glc_3dviewinstance.h"
#include "glc_attributes.h"

#include "../glc_config.h"

class GLC_StructReference;
class GLC_StructOccurence;



class GLC_LIB_EXPORT GLC_StructInstance
{
public:
        GLC_StructInstance(GLC_StructReference* pRef= NULL);

        GLC_StructInstance(GLC_Rep*);

        GLC_StructInstance(const GLC_StructInstance&);

        GLC_StructInstance(GLC_StructInstance*);

        GLC_StructInstance(const QString&);

        void setReference(GLC_StructReference*);

        // Destructor
        virtual ~GLC_StructInstance();


public:
        inline bool hasStructOccurence() const
        { return !m_ListOfOccurences.isEmpty();}

        inline int numberOfOccurence() const
        {return m_ListOfOccurences.size();}

        inline GLC_StructOccurence* firstOccurenceHandle() const
        { return m_ListOfOccurences.first();}

        inline GLC_Matrix4x4 relativeMatrix() const
        { return m_RelativeMatrix;}

        inline GLC_StructReference* structReference() const
        { return m_pStructReference;}

        inline QList<GLC_StructOccurence*> listOfStructOccurences() const
        { return m_ListOfOccurences;}

        inline QString name() const
        {return m_Name;}

        inline bool containsAttributes() const
        { return ((NULL != m_pAttributes) && !m_pAttributes->isEmpty());}

        inline GLC_Attributes* attributesHandle() const
        {return m_pAttributes;}

        inline int usageCount() const
        {return *m_pNumberOfInstance;}




public:
        inline void structOccurenceCreated(GLC_StructOccurence* pOccurence)
        {
                Q_ASSERT(!m_ListOfOccurences.contains(pOccurence));
                m_ListOfOccurences.append(pOccurence);
        }

        inline void structOccurenceDeleted(GLC_StructOccurence *pOccurence)
        {
                m_ListOfOccurences.removeOne(pOccurence);
        }

        inline GLC_StructInstance* move(const GLC_Matrix4x4& matrix)
        {
                m_RelativeMatrix= matrix * m_RelativeMatrix;
                return this;
        }

        inline GLC_StructInstance* translate(double Tx, double Ty, double Tz)
        {
                m_RelativeMatrix= GLC_Matrix4x4(Tx, Ty, Tz) * m_RelativeMatrix;
                return this;
        }

        inline GLC_StructInstance* translate(const GLC_Vector3d& v)
        {
                return translate(v.x(), v.y(), v.z());
        }

        inline GLC_StructInstance* setMatrix(const GLC_Matrix4x4 &SetMat)
        {
                m_RelativeMatrix= SetMat;
                return this;
        }

        inline GLC_StructInstance* resetMatrix()
        {
                m_RelativeMatrix = GLC_Matrix4x4();
                return this;
        }

        inline void setName(const QString& name)
        {m_Name= name;}

        void setAttributes(const GLC_Attributes& attr)
        {
                delete m_pAttributes;
                m_pAttributes= new GLC_Attributes(attr);
        }



// Private members
private:
        int* m_pNumberOfInstance;

        GLC_StructReference* m_pStructReference;

        QList<GLC_StructOccurence*> m_ListOfOccurences;

        GLC_Matrix4x4 m_RelativeMatrix;

        QString m_Name;

        GLC_Attributes* m_pAttributes;
};

#endif /* GLC_STRUCTINSTANCE_H_ */