blender/extern/carve/include/carve/octree_impl.hpp
Sergey Sharybin cba3498629 Update Carve to latest upstream version
This brings new copyright header which supports GPL2 and 3.

It wasn't really an issue before because we had agreement with
Tobias, but now it's all documented in sources.
2014-06-27 15:56:50 +06:00

80 lines
2.6 KiB
C++

// Begin License:
// Copyright (C) 2006-2014 Tobias Sargeant (tobias.sargeant@gmail.com).
// All rights reserved.
//
// This file is part of the Carve CSG Library (http://carve-csg.com/)
//
// This file may be used under the terms of either the GNU General
// Public License version 2 or 3 (at your option) as published by the
// Free Software Foundation and appearing in the files LICENSE.GPL2
// and LICENSE.GPL3 included in the packaging of this file.
//
// This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
// INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE.
// End:
#pragma once
namespace carve {
namespace csg {
template<typename filter_t>
void Octree::doFindEdges(const carve::poly::Geometry<3>::face_t &f,
Node *node,
std::vector<const carve::poly::Geometry<3>::edge_t *> &out,
unsigned depth,
filter_t filter) const {
if (node == NULL) {
return;
}
if (node->aabb.intersects(f.aabb) && node->aabb.intersects(f.plane_eqn)) {
if (node->hasChildren()) {
for (int i = 0; i < 8; ++i) {
doFindEdges(f, node->children[i], out, depth + 1, filter);
}
} else {
if (depth < MAX_SPLIT_DEPTH && node->edges.size() > EDGE_SPLIT_THRESHOLD) {
if (!node->split()) {
for (int i = 0; i < 8; ++i) {
doFindEdges(f, node->children[i], out, depth + 1, filter);
}
return;
}
}
for (std::vector<const carve::poly::Geometry<3>::edge_t*>::const_iterator it = node->edges.begin(), e = node->edges.end(); it != e; ++it) {
if ((*it)->tag_once()) {
if (filter(*it)) {
out.push_back(*it);
}
}
}
}
}
}
template<typename filter_t>
void Octree::findEdgesNear(const carve::poly::Geometry<3>::face_t &f, std::vector<const carve::poly::Geometry<3>::edge_t *> &out, filter_t filter) const {
tagable::tag_begin();
doFindEdges(f, root, out, 0, filter);
}
template <typename func_t>
void Octree::doIterate(int level, Node *node, const func_t &f) const{
f(level, node);
if (node->hasChildren()) {
for (int i = 0; i < 8; ++i) {
doIterate(level + 1, node->children[i], f);
}
}
}
template <typename func_t>
void Octree::iterateNodes(const func_t &f) const {
doIterate(0, root, f);
}
}
}