/****************************************************************************/
/// @file    TraCIServerAPI_Lane.h
/// @author  Daniel Krajzewicz
/// @author  Michael Behrisch
/// @author  Jakob Erdmann
/// @date    07.05.2009
/// @version $Id: TraCIServerAPI_Lane.h 20433 2016-04-13 08:00:14Z behrisch $
///
// APIs for getting/setting lane values via TraCI
/****************************************************************************/
// SUMO, Simulation of Urban MObility; see http://sumo.dlr.de/
// Copyright (C) 2009-2016 DLR (http://www.dlr.de/) and contributors
/****************************************************************************/
//
//   This file is part of SUMO.
//   SUMO is free software: you can redistribute it and/or modify
//   it under the terms of the GNU General Public License as published by
//   the Free Software Foundation, either version 3 of the License, or
//   (at your option) any later version.
//
/****************************************************************************/
#ifndef TraCIServerAPI_Lane_h
#define TraCIServerAPI_Lane_h


// ===========================================================================
// included modules
// ===========================================================================
#ifdef _MSC_VER
#include <windows_config.h>
#else
#include <config.h>
#endif

#ifndef NO_TRACI

#include <foreign/tcpip/storage.h>


// ===========================================================================
// class declarations
// ===========================================================================
class TraCIServer;


// ===========================================================================
// class definitions
// ===========================================================================
/**
 * @class TraCIServerAPI_Lane
 * @brief APIs for getting/setting lane values via TraCI
 */
class TraCIServerAPI_Lane {
public:
    /** @brief Processes a get value command (Command 0xa3: Get Lane Variable)
     *
     * @param[in] server The TraCI-server-instance which schedules this request
     * @param[in] inputStorage The storage to read the command from
     * @param[out] outputStorage The storage to write the result to
     */
    static bool processGet(TraCIServer& server, tcpip::Storage& inputStorage,
                           tcpip::Storage& outputStorage);


    /** @brief Processes a set value command (Command 0xc3: Change Lane State)
     *
     * @param[in] server The TraCI-server-instance which schedules this request
     * @param[in] inputStorage The storage to read the command from
     * @param[out] outputStorage The storage to write the result to
     */
    static bool processSet(TraCIServer& server, tcpip::Storage& inputStorage,
                           tcpip::Storage& outputStorage);


    /** @brief Returns the named lane's shape
     *
     * @param[in] id The id of the searched lane
     * @param[out] shape The shape, if the lane is known
     * @return Whether the lane is known
     */
    static bool getShape(const std::string& id, PositionVector& shape);


    /** @class StoringVisitor
     * @brief Allows to store the object; used as context while traveling the rtree in TraCI
     */
    class StoringVisitor {
    public:
        /// @brief Constructor
        StoringVisitor(std::set<std::string>& ids, const PositionVector& shape,
                       const SUMOReal range, const int domain)
            : myIDs(ids), myShape(shape), myRange(range), myDomain(domain) {}

        /// @brief Destructor
        ~StoringVisitor() {}

        /// @brief Adds the given object to the container
        void add(const MSLane* const l) const;

        /// @brief The container
        std::set<std::string>& myIDs;
        const PositionVector& myShape;
        const SUMOReal myRange;
        const int myDomain;

    private:
        /// @brief invalidated copy constructor
        StoringVisitor(const StoringVisitor& src);

        /// @brief invalidated assignment operator
        StoringVisitor& operator=(const StoringVisitor& src);
    };


private:
    /// @brief invalidated copy constructor
    TraCIServerAPI_Lane(const TraCIServerAPI_Lane& s);

    /// @brief invalidated assignment operator
    TraCIServerAPI_Lane& operator=(const TraCIServerAPI_Lane& s);


};


#define LANE_RTREE_QUAL RTree<MSLane*, MSLane, float, 2, TraCIServerAPI_Lane::StoringVisitor>

template<>
inline float LANE_RTREE_QUAL::RectSphericalVolume(Rect* a_rect) {
    ASSERT(a_rect);
    const float extent0 = a_rect->m_max[0] - a_rect->m_min[0];
    const float extent1 = a_rect->m_max[1] - a_rect->m_min[1];
    return .78539816f * (extent0 * extent0 + extent1 * extent1);
}

template<>
inline LANE_RTREE_QUAL::Rect LANE_RTREE_QUAL::CombineRect(Rect* a_rectA, Rect* a_rectB) {
    ASSERT(a_rectA && a_rectB);
    Rect newRect;
    newRect.m_min[0] = rtree_min(a_rectA->m_min[0], a_rectB->m_min[0]);
    newRect.m_max[0] = rtree_max(a_rectA->m_max[0], a_rectB->m_max[0]);
    newRect.m_min[1] = rtree_min(a_rectA->m_min[1], a_rectB->m_min[1]);
    newRect.m_max[1] = rtree_max(a_rectA->m_max[1], a_rectB->m_max[1]);
    return newRect;
}

#endif

#endif

/****************************************************************************/
