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/*
* Original code in the public domain -- castanyo@yahoo.es
*
* Modifications copyright (c) 2011, Blender Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __SUBD_EDGE_H__
#define __SUBD_EDGE_H__
#include "subd_mesh.h"
CCL_NAMESPACE_BEGIN
/* Subd Half Edge */
class SubdEdge
{
public:
int id;
SubdEdge *next;
SubdEdge *prev;
SubdEdge *pair;
SubdVert *vert;
SubdFace *face;
SubdEdge(int id_)
{
id = id_;
next = NULL;
prev = NULL;
pair = NULL;
vert = NULL;
face = NULL;
}
/* vertex queries */
SubdVert *from() { return vert; }
SubdVert *to() { return next->vert; }
/* face queries */
bool is_boundary() { return !(face && pair->face); }
};
CCL_NAMESPACE_END
#endif /* __SUBD_EDGE_H__ */
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