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/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup edarmature
* BIF_meshlaplacian.h: Algorithms using the mesh laplacian.
*/
#pragma once
//#define RIGID_DEFORM
struct Mesh;
struct Object;
struct bDeformGroup;
#ifdef RIGID_DEFORM
struct EditMesh;
#endif
/* Laplacian System */
struct LaplacianSystem;
typedef struct LaplacianSystem LaplacianSystem;
void laplacian_add_vertex(LaplacianSystem *sys, float *co, int pinned);
void laplacian_add_triangle(LaplacianSystem *sys, int v1, int v2, int v3);
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(LaplacianSystem *sys, 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],
const int *selected,
const char **error_str);
#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 */
/* ED_mesh_deform_bind_callback(...) defined in ED_armature.h */
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