khanat-opennel-code/code/nel/src/pacs/exterior_mesh.h

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2010-05-06 00:08:41 +00:00
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifndef NL_EXTERIOR_MESH_H
#define NL_EXTERIOR_MESH_H
#include <vector>
#include "nel/misc/types_nl.h"
#include "nel/misc/vector.h"
#include "nel/misc/file.h"
#include "nel/misc/aabbox.h"
#include "vector_2s.h"
#include "surface_quad.h"
#include "chain.h"
#include "retrievable_surface.h"
#include "chain_quad.h"
#include "nel/pacs/u_global_position.h"
namespace NLPACS
{
/**
* The external mesh of a interior local retriever.
* \author Benjamin Legros
* \author Nevrax France
* \date 2001
*/
class CExteriorMesh
{
public:
/// An edge of the edge list
struct CEdge
{
NLMISC::CVector Start;
sint32 Link;
CEdge() {}
CEdge(const CVector &start, sint32 link) : Start(start), Link(link) {}
void serial(NLMISC::IStream &f) { f.serial(Start, Link); }
};
/// A list of edges that are sorted
struct COrderedEdges
{
uint32 Start, End;
bool Forward;
void serial(NLMISC::IStream &f) { f.serial(Start, End, Forward); }
};
/// A neighbor link, on an interior surface
class CLink
{
public:
uint16 BorderChainId;
uint16 ChainId;
uint16 SurfaceId;
CLink() : BorderChainId(0xFFFF), ChainId(0xFFFF), SurfaceId(0xFFFF) {}
void serial(NLMISC::IStream &f) { f.serial(BorderChainId, ChainId, SurfaceId); }
};
protected:
std::vector<CEdge> _Edges;
std::vector<COrderedEdges> _OrderedEdges;
std::vector<CLink> _Links;
NLMISC::CAABBox _BBox;
public:
/// @name Constructors
// @{
CExteriorMesh();
// @}
void clear()
{
NLMISC::contReset(_Edges);
NLMISC::contReset(_OrderedEdges);
NLMISC::contReset(_Links);
}
/// @name Selectors
// @{
/// Get the set of edges that forms the whole mesh
const std::vector<CEdge> &getEdges() const { return _Edges; }
/// Get the nth edge of the mesh
const CEdge getEdge(uint n) const { return _Edges[n]; }
/// Get the ordered edges
const std::vector<COrderedEdges> &getOrderedEdges() const { return _OrderedEdges; }
/// Get the nth set of ordered edges
const COrderedEdges &getOrderedEdges(uint n) const { return _OrderedEdges[n]; }
/// Get the links
const std::vector<CLink> &getLinks() const { return _Links; }
/// Get a specific link
const CLink &getLink(uint n) const { return _Links[n]; }
/// Get the link on a specific edge
CLink getLinkFromEdge(uint edge) const { return (_Edges[edge].Link != -1) ? _Links[_Edges[edge].Link] : CLink(); }
/// Get the bbox of the mesh
const NLMISC::CAABBox &getBBox() const { return _BBox; }
// @}
/// @name Mutators/initialisation
// @{
/// Set the edges
void setEdges(const std::vector<CEdge> &edges);
/// Set the links
void setLinks(const std::vector<CLink> &links) { _Links = links; }
// @}
/// Serializes the mesh
void serial(NLMISC::IStream &f);
};
}; // NLPACS
#endif // NL_EXTERIOR_MESH_H
/* End of exterior_mesh.h */