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/* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
/** \file
* \ingroup bmesh
*/
/**
* Splits a face into many smaller faces defined by an edge-net.
* handle customdata and degenerate cases.
*
* - Isolated holes or unsupported face configurations, will be ignored.
* - Customdata calculations aren't efficient
* (need to calculate weights for each vert).
*/
bool BM_face_split_edgenet(BMesh *bm,
BMFace *f,
BMEdge **edge_net,
int edge_net_len,
BMFace ***r_face_arr,
int *r_face_arr_len);
/**
* For when the edge-net has holes in it-this connects them.
*
* \param use_partial_connect: Support for handling islands connected by only a single edge,
* \note that this is quite slow so avoid using where possible.
* \param mem_arena: Avoids many small allocs & should be cleared after each use.
* take care since \a edge_net_new is stored in \a r_edge_net_new.
*/
bool BM_face_split_edgenet_connect_islands(BMesh *bm,
BMFace *f,
BMEdge **edge_net_init,
uint edge_net_init_len,
bool use_partial_connect,
struct MemArena *mem_arena,
BMEdge ***r_edge_net_new,
uint *r_edge_net_new_len) ATTR_WARN_UNUSED_RESULT
ATTR_NONNULL(1, 2, 3, 6, 7, 8);
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