route.cpp

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/***************************************************************************
 *   Copyright (C) 2005-2017 by the FIFE team                              *
 *   http://www.fifengine.net                                              *
 *   This file is part of FIFE.                                            *
 *                                                                         *
 *   FIFE is free software; you can redistribute it and/or                 *
 *   modify it under the terms of the GNU Lesser General Public            *
 *   License as published by the Free Software Foundation; either          *
 *   version 2.1 of the License, or (at your option) any later version.    *
 *                                                                         *
 *   This library is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
 *   Lesser General Public License for more details.                       *
 *                                                                         *
 *   You should have received a copy of the GNU Lesser General Public      *
 *   License along with this library; if not, write to the                 *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
 ***************************************************************************/

// Standard C++ library includes

// 3rd party library includes

// FIFE includes
// These includes are split up in two parts, separated by one empty line
// First block: files included from the FIFE root src directory
// Second block: files included from the same folder
#include "util/log/logger.h"
#include "model/metamodel/object.h"
#include "model/structures/layer.h"
#include "model/structures/location.h"

#include "route.h"

namespace FIFE {

    static Logger _log(LM_STRUCTURES);

    Route::Route(const Location& start, const Location& end):
        m_status(ROUTE_CREATED),
        m_startNode(start),
        m_endNode(end),
        m_walked(0),
        m_sessionId(-1),
        m_rotation(0),
        m_replanned(false),
        m_ignoresBlocker(false),
        m_costId(""),
        m_object(NULL) {
    }

    Route::~Route() {
    }

    void Route::setRouteStatus(RouteStatusInfo status) {
        if (m_status != status) {
            m_status = status;
        }
    }

    RouteStatusInfo Route::getRouteStatus() {
        return m_status;
    }

    void Route::setStartNode(const Location& node) {
        m_startNode = node;
        if (m_status != ROUTE_CREATED) {
            m_status = ROUTE_CREATED;
            if (!m_path.empty()) {
                m_path.clear();
            }
            m_walked = 1;
        }
    }

    const Location& Route::getStartNode() {
        return m_startNode;
    }

    void Route::setEndNode(const Location& node) {
        if (m_status != ROUTE_CREATED) {
            m_status = ROUTE_CREATED;
            if (!m_path.empty()) {
                m_startNode = *m_current;
                m_path.clear();
            }
            m_walked = 1;
        }
        m_endNode = node;
    }

    const Location& Route::getEndNode() {
        return m_endNode;
    }

    const Location& Route::getCurrentNode() {
        if (m_path.empty()) {
            return m_startNode;
        }
        if (m_current == m_path.end()) {
            return m_path.back();
        }
        return *m_current;
    }

    const Location& Route::getPreviousNode() {
        if (m_path.empty()) {
            return m_startNode;
        }
        if (m_current != m_path.begin()) {
            --m_current;
            const Location& loc = *m_current;
            ++m_current;
            return loc;
        }
        return *m_current;
    }

    const Location& Route::getNextNode() {
        if (m_path.empty()) {
            return m_startNode;
        }
        if (m_current != m_path.end()) {
            ++m_current;
            if (m_current != m_path.end()) {
                const Location& loc = *m_current;
                --m_current;
                return loc;
            }
            --m_current;
        }
        return *m_current;
    }

    bool Route::walkToNextNode(int32_t step) {
        if (m_path.empty() || step == 0) {
            return false;
        }

        int32_t pos = static_cast<int32_t>(m_walked) + step;
        if (pos > static_cast<int32_t>(m_path.size()) || pos < 0) {
            return false;
        }
        if (step > 0) {
            for (int32_t i = 0; i < step; ++i, ++m_current);
        } else {
            for (int32_t i = 0; i > step; --i, --m_current);
        }
        m_walked += step;

        return true;
    }

    bool Route::reachedEnd() {
        if (m_path.empty()) {
            return true;
        }
        return m_current == m_path.end();
    }

    void Route::setPath(const Path& path) {
        m_path = path;
        if (!m_path.empty()) {
            m_status = ROUTE_SOLVED;
            m_current = m_path.begin();
            m_startNode = m_path.front();
            m_endNode = m_path.back();
        }
        if (!isMultiCell()) {
            m_replanned = false;
        }
        m_walked = 1;
    }

    Path Route::getPath() {
        return m_path;
    }

    void Route::cutPath(uint32_t length) {
        if (length == 0) {
            if (!m_path.empty()) {
                m_startNode = *m_current;
                m_endNode = *m_current;
                m_path.clear();
                m_current = m_path.end();
            }
            m_status = ROUTE_CREATED;
            m_walked = 1;
            m_replanned = true;
            return;
        } else if (length >= m_path.size()) {
            return;
        }

        uint32_t newend = m_walked + length - 1;
        if (newend > m_path.size()) {
            return;
        }

        m_path.resize(newend);
        m_endNode = m_path.back();
        m_replanned = true;
    }

    void Route::setReplanned(bool replanned) {
        m_replanned = replanned;
    }

    bool Route::isReplanned() {
        return m_replanned;
    }

    uint32_t Route::getPathLength() {
        return m_path.size();
    }

    uint32_t Route::getWalkedLength() {
        return m_walked;
    }

    void Route::setSessionId(int32_t id) {
        m_sessionId = id;
    }

    int32_t Route::getSessionId() {
        return m_sessionId;
    }

    void Route::setRotation(int32_t rotation) {
        m_rotation = rotation;
    }

    int32_t Route::getRotation() {
        return m_rotation;
    }

    void Route::setCostId(const std::string& cost) {
        m_costId = cost;
    }

    const std::string& Route::getCostId() {
        return m_costId;
    }

    bool Route::isMultiCell() {
        if (m_object) {
            return m_object->isMultiObject();
        }
        return false;
    }

    void Route::setOccupiedArea(const std::vector<ModelCoordinate>& area) {
        m_area = area;
    }

    const std::vector<ModelCoordinate>& Route::getOccupiedArea() {
        return m_area;
    }

    std::vector<ModelCoordinate> Route::getOccupiedCells(int32_t rotation) {
        if (m_object) {
            return m_object->getMultiObjectCoordinates(rotation);
        }
        std::vector<ModelCoordinate> coords;
        return coords;
    }

    int32_t Route::getZStepRange() {
        if (!m_object) {
            return -1;
        }
        return m_object->getZStepRange();
    }

    bool Route::isAreaLimited() {
        if (m_object) {
            if (!m_object->getWalkableAreas().empty()) {
                return true;
            }
        }
        return false;
    }

    const std::list<std::string> Route::getLimitedAreas() {
        std::list<std::string> areas;
        if (m_object) {
            areas = m_object->getWalkableAreas();
        }
        return areas;
    }

    void Route::setDynamicBlockerIgnored(bool ignore) {
        m_ignoresBlocker = ignore;
    }

    bool Route::isDynamicBlockerIgnored() {
        return m_ignoresBlocker;
    }

    Path Route::getBlockingPathLocations() {
        Path p;
        if (!m_path.empty()) {
            for (PathIterator it = m_path.begin(); it != m_path.end(); ++it) {
                Layer* layer = (*it).getLayer();
                if (layer->cellContainsBlockingInstance((*it).getLayerCoordinates())) {
                    p.push_back(*it);
                }
            }
        }
        return p;
    }

    void Route::setObject(Object* obj) {
        m_object = obj;
    }

    Object* Route::getObject() {
        return m_object;
    }
} // FIFE