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// 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
#include <carve/carve.hpp>
#include <carve/collection_types.hpp>
namespace carve {
namespace csg {
enum FaceClass {
FACE_UNCLASSIFIED = -3,
FACE_ON_ORIENT_OUT = -2,
FACE_OUT = -1,
FACE_ON = 0,
FACE_IN = +1,
FACE_ON_ORIENT_IN = +2
};
enum FaceClassBit {
FACE_ON_ORIENT_OUT_BIT = 0x01,
FACE_OUT_BIT = 0x02,
FACE_IN_BIT = 0x04,
FACE_ON_ORIENT_IN_BIT = 0x08,
FACE_ANY_BIT = 0x0f,
FACE_ON_BIT = 0x09,
FACE_NOT_ON_BIT = 0x06
};
static inline FaceClass class_bit_to_class(unsigned i) {
if (i & FACE_ON_ORIENT_OUT_BIT) return FACE_ON_ORIENT_OUT;
if (i & FACE_OUT_BIT) return FACE_OUT;
if (i & FACE_IN_BIT) return FACE_IN;
if (i & FACE_ON_ORIENT_IN_BIT) return FACE_ON_ORIENT_IN;
return FACE_UNCLASSIFIED;
}
static inline unsigned class_to_class_bit(FaceClass f) {
switch (f) {
case FACE_ON_ORIENT_OUT: return FACE_ON_ORIENT_OUT_BIT;
case FACE_OUT: return FACE_OUT_BIT;
case FACE_ON: return FACE_ON_BIT;
case FACE_IN: return FACE_IN_BIT;
case FACE_ON_ORIENT_IN: return FACE_ON_ORIENT_IN_BIT;
case FACE_UNCLASSIFIED: return FACE_ANY_BIT;
default: return 0;
}
}
enum EdgeClass {
EDGE_UNK = -2,
EDGE_OUT = -1,
EDGE_ON = 0,
EDGE_IN = 1
};
const char *ENUM(FaceClass f);
const char *ENUM(PointClass p);
struct ClassificationInfo {
const carve::mesh::Mesh<3> *intersected_mesh;
FaceClass classification;
ClassificationInfo() : intersected_mesh(NULL), classification(FACE_UNCLASSIFIED) { }
ClassificationInfo(const carve::mesh::Mesh<3> *_intersected_mesh,
FaceClass _classification) :
intersected_mesh(_intersected_mesh),
classification(_classification) {
}
bool intersectedMeshIsClosed() const {
return intersected_mesh->isClosed();
}
};
struct EC2 {
EdgeClass cls[2];
EC2() { cls[0] = cls[1] = EDGE_UNK; }
EC2(EdgeClass a, EdgeClass b) { cls[0] = a; cls[1] = b; }
};
struct PC2 {
PointClass cls[2];
PC2() { cls[0] = cls[1] = POINT_UNK; }
PC2(PointClass a, PointClass b) { cls[0] = a; cls[1] = b; }
};
typedef std::unordered_map<std::pair<const carve::mesh::MeshSet<3>::vertex_t *, const carve::mesh::MeshSet<3>::vertex_t *>,
EC2> EdgeClassification;
typedef std::unordered_map<const carve::mesh::Vertex<3> *, PC2> VertexClassification;
}
}
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