bmesh_walkers_private.hh

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

 
extern BMWalker *bm_walker_types[];
extern const int bm_totwalkers;
 
/* Pointer hiding */
typedef struct BMwGenericWalker {
  Link link;
  int depth;
} BMwGenericWalker;
 
typedef struct BMwShellWalker {
  BMwGenericWalker header;
  BMEdge *curedge;
} BMwShellWalker;
 
typedef struct BMwLoopShellWalker {
  BMwGenericWalker header;
  BMLoop *curloop;
} BMwLoopShellWalker;
 
typedef struct BMwLoopShellWireWalker {
  BMwGenericWalker header;
  BMElem *curelem;
} BMwLoopShellWireWalker;
 
typedef struct BMwIslandboundWalker {
  BMwGenericWalker header;
  BMLoop *base;
  BMVert *lastv;
  BMLoop *curloop;
} BMwIslandboundWalker;
 
typedef struct BMwIslandWalker {
  BMwGenericWalker header;
  BMFace *cur;
} BMwIslandWalker;
 
typedef 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 */
} BMwEdgeLoopWalker;
 
typedef struct BMwFaceLoopWalker {
  BMwGenericWalker header;
  BMLoop *l;
  bool no_calc;
} BMwFaceLoopWalker;
 
typedef struct BMwEdgeringWalker {
  BMwGenericWalker header;
  BMLoop *l;
  BMEdge *wireedge;
} BMwEdgeringWalker;
 
typedef struct BMwEdgeboundaryWalker {
  BMwGenericWalker header;
  BMEdge *e;
} BMwEdgeboundaryWalker;
 
typedef struct BMwNonManifoldEdgeLoopWalker {
  BMwGenericWalker header;
  BMEdge *start, *cur;
  BMVert *startv, *lastv;
  int face_count; /* face count around the edge. */
} BMwNonManifoldEdgeLoopWalker;
 
typedef struct BMwUVEdgeWalker {
  BMwGenericWalker header;
  BMLoop *l;
} BMwUVEdgeWalker;
 
typedef struct BMwConnectedVertexWalker {
  BMwGenericWalker header;
  BMVert *curvert;
} BMwConnectedVertexWalker;