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321 lines
8.5 KiB
C
321 lines
8.5 KiB
C
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/****************************************************************************
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This file is part of the GLC-lib library.
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Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net)
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Version 2.0.0, packaged on July 2010.
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http://glc-lib.sourceforge.net
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GLC-lib is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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GLC-lib is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with GLC-lib; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*****************************************************************************/
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//! \file glc_primitivegroup.h interface for the GLC_PrimitiveGroup class.
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#ifndef GLC_PRIMITIVEGROUP_H_
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#define GLC_PRIMITIVEGROUP_H_
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#include "../glc_ext.h"
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#include "../glc_global.h"
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#include "glc_config.h"
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//////////////////////////////////////////////////////////////////////
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//! \class GLC_PrimitiveGroup
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/*! \brief GLC_PrimitiveGroup : Triangles, Strip and fan index*/
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/*! An GLC_PrimitiveGroup is used to stored Triangles, strips and fans index
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* Grouped by material*/
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//////////////////////////////////////////////////////////////////////
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class GLC_LIB_EXPORT GLC_PrimitiveGroup
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{
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friend QDataStream &operator<<(QDataStream &, const GLC_PrimitiveGroup &);
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friend QDataStream &operator>>(QDataStream &, GLC_PrimitiveGroup &);
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public:
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//////////////////////////////////////////////////////////////////////
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/*! @name Constructor / Destructor */
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//@{
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//////////////////////////////////////////////////////////////////////
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//! Default constructor
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GLC_PrimitiveGroup(GLC_uint id= 0);
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//! Copy constructor
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GLC_PrimitiveGroup(const GLC_PrimitiveGroup&);
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//! Copy constructor
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GLC_PrimitiveGroup(const GLC_PrimitiveGroup&, GLC_uint);
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//! = operator
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GLC_PrimitiveGroup& operator=(const GLC_PrimitiveGroup&);
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~GLC_PrimitiveGroup();
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//@}
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//////////////////////////////////////////////////////////////////////
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/*! \name Get Functions*/
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//@{
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//////////////////////////////////////////////////////////////////////
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public:
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//! Return the class Chunk ID
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static quint32 chunckID();
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//! Return true if the group is finished
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inline bool isFinished() const
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{return m_IsFinished;}
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//! Return the group id
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inline GLC_uint id() const
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{return m_Id;}
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//! Return true if the group contains triangles
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inline bool containsTriangles() const
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{return m_TrianglesIndexSize > 0;}
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//! Return true if the group contains triangles group id
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inline bool containsTrianglesGroupId() const
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{return !m_TrianglesId.isEmpty();}
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//! Return the Triangle group ID
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inline GLC_uint triangleGroupId(int index)
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{return m_TrianglesId.at(index);}
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//! Return the size of list of triangles index of the group
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inline int trianglesIndexSize() const
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{return m_TrianglesIndexSize;}
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//! Return the size of list of triangles index of the group
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inline const IndexSizes& trianglesIndexSizes() const
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{return m_TrianglesGroupsSizes;}
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//! Return the list of triangles index of the group
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inline const IndexList& trianglesIndex() const
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{
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Q_ASSERT(!m_IsFinished);
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return m_TrianglesIndex;
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}
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//! Return the offset of triangles index
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inline const GLvoid* trianglesIndexOffset() const
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{return m_TrianglesGroupOffset.first();}
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//! Return the offset of triangles index
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inline int trianglesIndexOffseti() const
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{return m_TrianglesGroupOffseti.first();}
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//! Return the offset of triangles index
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inline const OffsetVector& trianglesGroupOffset() const
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{return m_TrianglesGroupOffset;}
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//! Return the offset of triangles index
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inline const OffsetVectori& trianglesGroupOffseti() const
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{return m_TrianglesGroupOffseti;}
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//! Return true if the group contains strips
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inline bool containsStrip() const
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{return m_TrianglesStripSize > 0;}
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//! Return true if the group contains strips group id
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inline bool containsStripGroupId() const
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{return !m_StripsId.isEmpty();}
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//! Return the strip ID
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inline GLC_uint stripGroupId(int index)
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{return m_StripsId.at(index);}
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//! Return the size of index of strips
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inline int stripsIndexSize() const
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{return m_TrianglesStripSize;}
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//! Return the list of index of strips
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inline const IndexList& stripsIndex() const
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{
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Q_ASSERT(!m_IsFinished);
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return m_StripsIndex;
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}
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//! Return the vector of strips sizes
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inline const IndexSizes& stripsSizes() const
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{return m_StripIndexSizes;}
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//! Return the vector of strip offset
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inline const OffsetVector& stripsOffset() const
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{return m_StripIndexOffset;}
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//! Return the vector of strip offset
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inline const OffsetVectori& stripsOffseti() const
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{return m_StripIndexOffseti;}
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//! Return true if the group contains fans
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inline bool containsFan() const
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{return m_TrianglesFanSize > 0;}
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//! Return true if the group contains fans group id
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inline bool containsFanGroupId() const
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{return !m_FansId.isEmpty();}
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//! Return the fan ID
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inline GLC_uint fanGroupId(int index)
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{return m_FansId.at(index);}
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//! Return the size of index of fans
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inline int fansIndexSize() const
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{return m_TrianglesFanSize;}
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//! Return the list of index of fans
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inline const IndexList& fansIndex() const
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{
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Q_ASSERT(!m_IsFinished);
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return m_FansIndex;
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}
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//! Return the vector of fans sizes
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inline const IndexSizes& fansSizes() const
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{return m_FansIndexSizes;}
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//! Return the vector of strip offset
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inline const OffsetVector& fansOffset() const
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{return m_FanIndexOffset;}
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//! Return the vector of strip offset
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inline const OffsetVectori& fansOffseti() const
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{return m_FanIndexOffseti;}
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//@}
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//////////////////////////////////////////////////////////////////////
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/*! \name Set Functions*/
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//@{
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//////////////////////////////////////////////////////////////////////
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public:
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//! Set the group id
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inline void setId(GLC_uint id)
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{m_Id= id;}
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//! Add triangles to the group
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void addTriangles(const IndexList& input, GLC_uint id= 0);
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//! Set the triangle index offset
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void setTrianglesOffset(GLvoid* pOffset);
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//! Set the triangle index offset
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void setTrianglesOffseti(int offset);
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//! Add triangle strip to the group
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void addTrianglesStrip(const IndexList&, GLC_uint id= 0);
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//! Set base triangle strip offset
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void setBaseTrianglesStripOffset(GLvoid*);
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//! Set base triangle strip offset
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void setBaseTrianglesStripOffseti(int);
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//! Add triangle fan to the group
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void addTrianglesFan(const IndexList&, GLC_uint id= 0);
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//! Set base triangle fan offset
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void setBaseTrianglesFanOffset(GLvoid*);
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//! Set base triangle fan offset
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void setBaseTrianglesFanOffseti(int);
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//! Change index to VBO mode
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void changeToVboMode();
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//! The mesh wich use this group is finished
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inline void finish()
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{
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m_TrianglesIndex.clear();
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m_StripsIndex.clear();
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m_FansIndex.clear();
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m_IsFinished= true;
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}
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//! Clear the group
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void clear();
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//@}
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//////////////////////////////////////////////////////////////////////
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// Private members
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//////////////////////////////////////////////////////////////////////
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private:
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//! Grouped material id
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GLC_uint m_Id;
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//! Triangles index list
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IndexList m_TrianglesIndex;
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//! Triangles groups index size
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IndexSizes m_TrianglesGroupsSizes;
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//! Vector of triangles group offset
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OffsetVector m_TrianglesGroupOffset;
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OffsetVectori m_TrianglesGroupOffseti;
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//! Triangles groups id
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QList<GLC_uint> m_TrianglesId;
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//! Strips index list
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IndexList m_StripsIndex;
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//! Strips index size
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IndexSizes m_StripIndexSizes;
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//! Vector of strips offset
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OffsetVector m_StripIndexOffset;
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OffsetVectori m_StripIndexOffseti;
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//! Strips id
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QList<GLC_uint> m_StripsId;
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//! Fans index list
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IndexList m_FansIndex;
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//! Fans index size
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IndexSizes m_FansIndexSizes;
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//! Vector of fan Offset
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OffsetVector m_FanIndexOffset;
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OffsetVectori m_FanIndexOffseti;
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//! Fans id
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QList<GLC_uint> m_FansId;
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//! Flag to know if the group is finish
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int m_IsFinished;
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//! Flag to know if there is triangles
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int m_TrianglesIndexSize;
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//! Flag to know if there is triangles strip
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int m_TrianglesStripSize;
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//! Flag to know if there is triangles fan
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int m_TrianglesFanSize;
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//! Class chunk id
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static quint32 m_ChunkId;
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};
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//! Non-member stream operator
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QDataStream &operator<<(QDataStream &, const GLC_PrimitiveGroup &);
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QDataStream &operator>>(QDataStream &, GLC_PrimitiveGroup &);
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#endif /* GLC_PRIMITIVEGROUP_H_ */
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