BodyIdTypes.h

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// Copyright 2016 Sensics, 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 INCLUDED_BodyIdTypes_h_GUID_4FD241A3_25E9_42AF_F075_8EE8191C02F0
#define INCLUDED_BodyIdTypes_h_GUID_4FD241A3_25E9_42AF_F075_8EE8191C02F0

// Internal Includes
// - none

// Library/third-party includes
#include <osvr/Util/TypeSafeId.h>
#include <osvr/Util/TypeSafeIdHash.h>

// Standard includes
#include <stdexcept>
#include <cstdint>

namespace osvr {
namespace vbtracker {
    namespace detail {
        struct BodyIdTag;
        struct TargetIdTag;
    } // namespace detail
} // namespace vbtracker
namespace util {
    namespace typesafeid_traits {
        template <> struct WrappedType<vbtracker::detail::BodyIdTag> {
            using type = std::uint16_t;
        };
        template <> struct WrappedType<vbtracker::detail::TargetIdTag> {
            using type = std::uint8_t;
        };
    } // namespace typesafeid_traits
} // namespace util

namespace vbtracker {
    using BodyId = util::TypeSafeId<detail::BodyIdTag>;
    using TargetId = util::TypeSafeId<detail::TargetIdTag>;
    using BodyTargetId = std::pair<BodyId, TargetId>;

    template <typename Stream>
    inline Stream &operator<<(Stream &os, BodyTargetId const &id) {
        os << id.first.value() << ":" << int(id.second.value());
        return os;
    }
} // namespace vbtracker
} // namespace osvr

namespace std {
template <>
struct hash<osvr::vbtracker::BodyTargetId>
    : osvr::util::HashIdAggregate<osvr::vbtracker::BodyTargetId> {};
} // namespace std

#endif // INCLUDED_BodyIdTypes_h_GUID_4FD241A3_25E9_42AF_F075_8EE8191C02F0