94 lines
3.1 KiB
C
94 lines
3.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later
|
|
* Copyright 2004 Blender Foundation. All rights reserved. */
|
|
|
|
#pragma once
|
|
|
|
/** \file
|
|
* \ingroup bmesh
|
|
*/
|
|
|
|
#include "bmesh.h"
|
|
|
|
struct CustomData_MeshMasks;
|
|
struct Main;
|
|
struct Mesh;
|
|
|
|
void BM_mesh_cd_flag_ensure(BMesh *bm, struct Mesh *mesh, char cd_flag);
|
|
void BM_mesh_cd_flag_apply(BMesh *bm, char cd_flag);
|
|
char BM_mesh_cd_flag_from_bmesh(BMesh *bm);
|
|
|
|
struct BMeshFromMeshParams {
|
|
bool calc_face_normal;
|
|
bool calc_vert_normal;
|
|
/* add a vertex CD_SHAPE_KEYINDEX layer */
|
|
bool add_key_index;
|
|
/* set vertex coordinates from the shapekey */
|
|
bool use_shapekey;
|
|
/* define the active shape key (index + 1) */
|
|
int active_shapekey;
|
|
struct CustomData_MeshMasks cd_mask_extra;
|
|
};
|
|
/**
|
|
* \brief Mesh -> BMesh
|
|
* \param bm: The mesh to write into, while this is typically a newly created BMesh,
|
|
* merging into existing data is supported.
|
|
* Note the custom-data layout isn't used.
|
|
* If more comprehensive merging is needed we should move this into a separate function
|
|
* since this should be kept fast for edit-mode switching and storing undo steps.
|
|
*
|
|
* \warning This function doesn't calculate face normals.
|
|
*/
|
|
void BM_mesh_bm_from_me(BMesh *bm, const struct Mesh *me, const struct BMeshFromMeshParams *params)
|
|
ATTR_NONNULL(1, 3);
|
|
|
|
struct BMeshToMeshParams {
|
|
/** Update object hook indices & vertex parents. */
|
|
bool calc_object_remap;
|
|
/**
|
|
* This re-assigns shape-key indices. Only do if the BMesh will have continued use
|
|
* to update the mesh & shape key in the future.
|
|
* In the case the BMesh is freed immediately, this can be left false.
|
|
*
|
|
* This is needed when flushing changes from edit-mode into object mode,
|
|
* so a second flush or edit-mode exit doesn't run with indices
|
|
* that have become invalid from updating the shape-key, see T71865.
|
|
*/
|
|
bool update_shapekey_indices;
|
|
/**
|
|
* Instead of copying the basis shape-key into the #MVert array,
|
|
* copy the #BMVert.co directly to #MVert.co (used for reading undo data).
|
|
*/
|
|
bool active_shapekey_to_mvert;
|
|
struct CustomData_MeshMasks cd_mask_extra;
|
|
};
|
|
|
|
/**
|
|
* \param bmain: May be NULL in case \a calc_object_remap parameter option is not set.
|
|
*/
|
|
void BM_mesh_bm_to_me(struct Main *bmain,
|
|
BMesh *bm,
|
|
struct Mesh *me,
|
|
const struct BMeshToMeshParams *params) ATTR_NONNULL(2, 3, 4);
|
|
|
|
/**
|
|
* A version of #BM_mesh_bm_to_me intended for getting the mesh
|
|
* to pass to the modifier stack for evaluation,
|
|
* instead of mode switching (where we make sure all data is kept
|
|
* and do expensive lookups to maintain shape keys).
|
|
*
|
|
* Key differences:
|
|
*
|
|
* - Don't support merging with existing mesh.
|
|
* - Ignore shape-keys.
|
|
* - Ignore vertex-parents.
|
|
* - Ignore selection history.
|
|
* - Uses simpler method to calculate #ME_EDGEDRAW
|
|
* - Uses #CD_MASK_DERIVEDMESH instead of #CD_MASK_MESH.
|
|
*
|
|
* \note Was `cddm_from_bmesh_ex` in 2.7x, removed `MFace` support.
|
|
*/
|
|
void BM_mesh_bm_to_me_for_eval(BMesh *bm,
|
|
struct Mesh *me,
|
|
const struct CustomData_MeshMasks *cd_mask_extra)
|
|
ATTR_NONNULL(1, 2);
|