Vertex.h

// This file is a part of the OpenSurgSim project.
// Copyright 2013, SimQuest Solutions Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef SURGSIM_DATASTRUCTURES_VERTEX_H
#define SURGSIM_DATASTRUCTURES_VERTEX_H

#include "SurgSim/Math/Vector.h"

#include <memory>

namespace SurgSim
{

namespace DataStructures
{

template <class Data>
struct Vertex
{
    Vertex()
    {
    }

    explicit Vertex(const SurgSim::Math::Vector3d& position, const Data& data = Data()) :
        position(position),
        data(data)
    {
    }

    template <class T>
    explicit Vertex(const Vertex<T>& other) :
        position(other.position)
    {
    }

    template <class T>
    Vertex<Data>& operator=(const Vertex<T>& other)
    {
        position = other.position;
        return *this;
    }

    SurgSim::Math::Vector3d position;
    Data data;

    bool operator==(const Vertex<Data>& vertex) const
    {
        return data == vertex.data && position == vertex.position;
    }

    bool operator!=(const Vertex<Data>& vertex) const
    {
        return ! ((*this) == vertex);
    }
};

template <>
struct Vertex<void>
{
    explicit Vertex(const SurgSim::Math::Vector3d& position) : position(position)
    {
    }

    SurgSim::Math::Vector3d position;

    bool operator==(const Vertex<void>& vertex) const
    {
        return position == vertex.position;
    }

    bool operator!=(const Vertex<void>& vertex) const
    {
        return ! ((*this) == vertex);
    }
};

};  // namespace DataStructures

};  // namespace SurgSim

#endif  // SURGSIM_DATASTRUCTURES_VERTEX_H