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/* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
/** \file
* \ingroup bke
* Mesh Fairing algorithm designed by Brett Fedack, used in the addon "Mesh Fairing":
* https://github.com/fedackb/mesh-fairing.
*/
#include "BLI_utildefines.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Mesh Fairing. */
/* Creates a smooth as possible geometry patch in a defined area. Different values of depth allow
* to minimize changes in the vertex positions or tangency in the affected area. */
typedef enum eMeshFairingDepth {
MESH_FAIRING_DEPTH_POSITION = 1,
MESH_FAIRING_DEPTH_TANGENCY = 2,
} eMeshFairingDepth;
/* affect_vertices is used to define the fairing area. Indexed by vertex index, set to true when
* the vertex should be modified by fairing. */
void BKE_bmesh_prefair_and_fair_verts(struct BMesh *bm,
bool *affect_verts,
eMeshFairingDepth depth);
/* This function can optionally use the MVert coordinates of deform_mverts to read and write the
* fairing result. When NULL, the function will use mesh->mverts directly. */
void BKE_mesh_prefair_and_fair_verts(struct Mesh *mesh,
struct MVert *deform_mverts,
bool *affect_verts,
eMeshFairingDepth depth);
#ifdef __cplusplus
}
#endif
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