bmesh_walkers_private.hh

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once

 
#include "bmesh_class.hh"
 
struct BMWalker;
 
extern BMWalker *bm_walker_types[];
extern const int bm_totwalkers;
 
/* Pointer hiding */
struct BMwGenericWalker {
  Link link;
  int depth;
};
 
struct BMwShellWalker {
  BMwGenericWalker header;
  BMEdge *curedge;
};
 
struct BMwLoopShellWalker {
  BMwGenericWalker header;
  BMLoop *curloop;
};
 
struct BMwLoopShellWireWalker {
  BMwGenericWalker header;
  BMElem *curelem;
};
 
struct BMwIslandboundWalker {
  BMwGenericWalker header;
  BMLoop *base;
  BMVert *lastv;
  BMLoop *curloop;
};
 
struct BMwIslandWalker {
  BMwGenericWalker header;
  BMFace *cur;
};
 
struct BMwEdgeLoopWalker {
  BMwGenericWalker header;
  BMEdge *cur, *start;
  BMVert *lastv, *startv;
  BMFace *f_hub;
  bool is_boundary; /* boundary looping changes behavior */
  bool is_single;   /* single means the edge verts are only connected to 1 face */
};
 
struct BMwFaceLoopWalker {
  BMwGenericWalker header;
  BMLoop *l;
  bool no_calc;
};
 
struct BMwEdgeringWalker {
  BMwGenericWalker header;
  BMLoop *l;
  BMEdge *wireedge;
};
 
struct BMwEdgeboundaryWalker {
  BMwGenericWalker header;
  BMEdge *e;
};
 
struct BMwNonManifoldEdgeLoopWalker {
  BMwGenericWalker header;
  BMEdge *start, *cur;
  BMVert *startv, *lastv;
  int face_count; /* face count around the edge. */
};
 
struct BMwUVEdgeWalker {
  BMwGenericWalker header;
  BMLoop *l;
};
 
struct BMwConnectedVertexWalker {
  BMwGenericWalker header;
  BMVert *curvert;
};