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131 lines
3.3 KiB
131 lines
3.3 KiB
//-*-C++-*-
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/*
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**************************************************************************
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description
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--------------------
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copyright : (C) 2004 by Leon Pennington
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email : leon@leonscape.co.uk
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**************************************************************************
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**************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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**************************************************************************/
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#ifndef PMFACE_H
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#define PMFACE_H
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#include <tqptrlist.h>
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#include <tqvaluevector.h>
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#include <GL/gl.h>
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#include "pmdebug.h"
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#include "pmvector.h"
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/**
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* face to display with index of points. Points must be in clockwise order.
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*
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* Face of a @ref PMViewStructure. Only the indices in a @ref PMPointArray
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* are stored.
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*
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* Optimized for OpenGL
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*/
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class PMFace
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{
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public:
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/**
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* Default constructor
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*/
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PMFace( )
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{
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m_points = 0;
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m_size = 0;
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}
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/**
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* Copy Constructor
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*/
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PMFace( const PMFace& face );
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/**
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* Destructor
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*/
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~PMFace( ) { delete m_points; }
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/**
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* Creates a face with three points.
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*/
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PMFace( const GLuint pt1, const GLuint pt2, const GLuint pt3, const PMVector& normal = PMVector() );
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/**
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* Creates a face with four points.
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*/
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PMFace( const GLuint pt1, const GLuint pt2, const GLuint pt3, const GLuint pt4, const PMVector& normal = PMVector() );
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/**
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* Operator assignment
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*/
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PMFace& operator=( const PMFace& face );
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/**
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* Operator equals
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*/
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bool operator==( const PMFace& face ) const;
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/**
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* Operator unequals
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*/
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bool operator!=( const PMFace& face ) const;
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/**
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* Resizes the number of points in the face.
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* @return True if successful
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*/
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bool resize( const unsigned int size );
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/**
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* @return The number of points in the face.
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*/
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unsigned int size( ) const { return m_size; }
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/**
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* Returns a reference to a point in the face
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*/
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GLuint& operator[] ( int index );
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/**
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* Returns a const reference to a point in the face
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*/
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const GLuint& operator[] ( int index ) const;
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/**
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* Calculates the normal for the face
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*/
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void setNormal( const PMVector& normal ) { m_normal = normal; }
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/**
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* Returns the normal for the face
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*/
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PMVector normal( ) const { return m_normal; }
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private:
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/**
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* The face points (indices!)
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*/
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GLuint* m_points;
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/**
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* The number of points in the face
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*/
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unsigned int m_size;
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/**
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* The normal of the face, calculated automatically
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*/
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PMVector m_normal;
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static GLuint s_dummy;
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};
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typedef TQPtrListIterator<PMFace> PMFaceListIterator;
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/**
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* A list of @ref PMFace objects.
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*
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* This class stores all faces of a @ref PMViewStructure. Only the indices
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* in a @ref PMPointArray are stored.
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*/
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typedef TQValueVector<PMFace> PMFaceArray;
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#endif
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