walk_mgr.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program 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.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef PINK_WALK_MGR_H
#define PINK_WALK_MGR_H

#include "common/rect.h"

#include "pink/objects/object.h"
#include "pink/objects/walk/walk_shortest_path.h"
#include "pink/utils.h"

namespace Pink {

class WalkLocation;
class LeadActor;
class WalkAction;

struct Coordinates {
    Common::Point point;
    int z;
};

class WalkMgr : public Object {
public:
    WalkMgr();
    ~WalkMgr() override;
    void deserialize(Archive &archive) override;
    void toConsole() const override;

    WalkLocation *findLocation(const Common::String &name);
    void start(WalkLocation *destination);
    void update();

    double getLengthBetweenLocations(WalkLocation *first, WalkLocation *second);
    void setCurrentWayPoint(WalkLocation *location);

    void loadState(Archive &archive);
    void saveState(Archive &archive);

    void skip();

    const Coordinates &getStartCoords() { return _current.coords; }
    const Coordinates &getEndCoords() { return _next.coords; }

private:
    struct WayPoint {
        Common::String name;
        Coordinates coords;
    };

    Coordinates getLocationCoordinates(const Common::String &locationName);
    void end();
    void initNextWayPoint(WalkLocation *location);
    WalkAction *getWalkAction();

    LeadActor *_leadActor;
    WalkLocation *_destination;
    Array<WalkLocation *> _locations;
    WayPoint _current;
    WayPoint _next;
    bool _isWalking;
};

} // End of namespace Pink

#endif