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//##########################################################################
//# #
//# CCLIB #
//# #
//# This program is free software; you can redistribute it and/or modify #
//# it under the terms of the GNU Library General Public License as #
//# published by the Free Software Foundation; version 2 or later of the #
//# License. #
//# #
//# This program 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 General Public License for more details. #
//# #
//# COPYRIGHT: EDF R&D / TELECOM ParisTech (ENST-TSI) #
//# #
//##########################################################################
#ifndef GENERIC_MESH_HEADER
#define GENERIC_MESH_HEADER
#include <functional>
//Local
#include "CCGeom.h"
namespace CCLib
{
class GenericTriangle;
//! A generic mesh interface for data communication between library and client applications
class CC_CORE_LIB_API GenericMesh
{
public:
//! Default destructor
virtual ~GenericMesh() = default;
//! Generic function to apply to a triangle (used by foreach)
using genericTriangleAction = std::function<void (GenericTriangle &)>;
//! Returns the number of triangles
/** Virtual method to request the mesh size
\return the mesh size
**/
virtual unsigned size() const = 0;
//! Fast iteration mechanism
/** Virtual method to apply a function to the whole mesh
\param action function to apply (see GenericMesh::genericTriangleAction)
**/
virtual void forEach(genericTriangleAction action) = 0;
//! Returns the mesh bounding-box
/** Virtual method to request the mesh bounding-box limits. It is equivalent to
the bounding-box of the cloud composed of the mesh vertexes.
\param bbMin lower bounding-box limits (Xmin,Ymin,Zmin)
\param bbMax higher bounding-box limits (Xmax,Ymax,Zmax)
**/
virtual void getBoundingBox(CCVector3& bbMin, CCVector3& bbMax) = 0;
//! Places the mesh iterator at the beginning
/** Virtual method to handle the mesh global iterator
**/
virtual void placeIteratorAtBeginning() = 0;
//! Returns the next triangle (relatively to the global iterator position)
/** Virtual method to handle the mesh global iterator.
Global iterator position should be increased each time
this method is called. The returned object can be temporary.
\return a triangle
**/
virtual GenericTriangle* _getNextTriangle() = 0; //temporary
};
}
#endif //GENERIC_MESH_HEADER
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