bmesh_structure_inline.hh

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

 
#pragma once
 
#include "BLI_compiler_attrs.h"
#include "BLI_compiler_compat.h"
 
#include "bmesh_class.hh"
#include "intern/bmesh_query.hh"
 
ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1, 2)
    BLI_INLINE BMDiskLink *bmesh_disk_edge_link_from_vert(const BMEdge *e, const BMVert *v)
{
  BLI_assert(BM_vert_in_edge(e, v));
  return (BMDiskLink *)&(&e->v1_disk_link)[v == e->v2];
}

ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1)
    BLI_INLINE BMEdge *bmesh_disk_edge_next_safe(const BMEdge *e, const BMVert *v)
{
  if (v == e->v1) {
    return e->v1_disk_link.next;
  }
  if (v == e->v2) {
    return e->v2_disk_link.next;
  }
  return nullptr;
}
 
ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1)
    BLI_INLINE BMEdge *bmesh_disk_edge_prev_safe(const BMEdge *e, const BMVert *v)
{
  if (v == e->v1) {
    return e->v1_disk_link.prev;
  }
  if (v == e->v2) {
    return e->v2_disk_link.prev;
  }
  return nullptr;
}
 
ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1, 2) BLI_INLINE BMEdge *bmesh_disk_edge_next(const BMEdge *e,
                                                                                   const BMVert *v)
{
  return BM_DISK_EDGE_NEXT(e, v);
}
 
ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1, 2) BLI_INLINE BMEdge *bmesh_disk_edge_prev(const BMEdge *e,
                                                                                   const BMVert *v)
{
  return BM_DISK_EDGE_PREV(e, v);
}