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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/mesh/editmesh_bvh.h
* \ingroup edmesh
*/
#ifndef __EDITBMESH_BVH_H__
#define __EDITBMESH_BVH_H__
struct BMEditMesh;
struct BMFace;
struct BMEdge;
struct BMVert;
struct RegionView3D;
struct BMBVHTree;
struct BVHTree;
struct Scene;
struct Object;
#ifndef IN_EDITMESHBVH
typedef struct BMBVHTree BMBVHTree;
#endif
struct BMBVHTree *BMBVH_NewBVH(struct BMEditMesh *em, int flag, struct Scene *scene, struct Object *obedit);
void BMBVH_FreeBVH(struct BMBVHTree *tree);
struct BVHTree *BMBVH_BVHTree(struct BMBVHTree *tree);
struct BMFace *BMBVH_RayCast(struct BMBVHTree *tree, const float co[3], const float dir[3],
float r_hitout[3], float r_cagehit[3]);
int BMBVH_EdgeVisible(struct BMBVHTree *tree, struct BMEdge *e,
struct ARegion *ar, struct View3D *v3d, struct Object *obedit);
/*find a vert closest to co in a sphere of radius maxdist*/
struct BMVert *BMBVH_FindClosestVert(struct BMBVHTree *tree, const float co[3], const float maxdist);
/* BMBVH_NewBVH flag parameter */
enum {
BMBVH_USE_CAGE = 1, /* project geometry onto modifier cage */
BMBVH_RETURN_ORIG = 2, /* use with BMBVH_USE_CAGE, returns hits in relation to original geometry */
BMBVH_RESPECT_SELECT = 4, /* restrict to hidden geometry (overrides BMBVH_RESPECT_HIDDEN) */
BMBVH_RESPECT_HIDDEN = 8 /* omit hidden geometry */
};
#endif /* __EDITBMESH_BVH_H__ */
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