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/**
* $Id$
*
* ***** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 *****
* BIF_meshlaplacian.h: Algorithms using the mesh laplacian.
*/
#ifndef BIF_MESHLAPLACIAN_H
#define BIF_MESHLAPLACIAN_H
//#define RIGID_DEFORM
struct Object;
struct Mesh;
struct bDeformGroup;
struct MeshDeformModifierData;
#ifdef RIGID_DEFORM
struct EditMesh;
#endif
/* Laplacian System */
struct LaplacianSystem;
typedef struct LaplacianSystem LaplacianSystem;
LaplacianSystem *laplacian_construct_begin(int totvert, int totface, int lsq);
void laplacian_add_vertex(LaplacianSystem *sys, float *co, int pinned);
void laplacian_add_triangle(LaplacianSystem *sys, int v1, int v2, int v3);
void laplacian_construct_end(LaplacianSystem *sys);
void laplacian_delete(LaplacianSystem *sys);
void laplacian_begin_solve(LaplacianSystem *sys, int index);
void laplacian_add_right_hand_side(LaplacianSystem *sys, int v, float value);
int laplacian_system_solve(LaplacianSystem *sys);
float laplacian_system_get_solution(int v);
/* Heat Weighting */
void heat_bone_weighting(struct Object *ob, struct Mesh *me, float (*verts)[3],
int numbones, struct bDeformGroup **dgrouplist,
struct bDeformGroup **dgroupflip, float (*root)[3], float (*tip)[3],
int *selected);
#ifdef RIGID_DEFORM
/* As-Rigid-As-Possible Deformation */
void rigid_deform_begin(struct EditMesh *em);
void rigid_deform_iteration(void);
void rigid_deform_end(int cancel);
#endif
/* Harmonic Coordinates */
void harmonic_coordinates_bind(struct MeshDeformModifierData *mmd,
float (*vertexcos)[3], int totvert, float cagemat[][4]);
#endif
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