movement.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/>.
 *
 */

/*
 * This code is based on the CRAB engine
 *
 * Copyright (c) Arvind Raja Yadav
 *
 * Licensed under MIT
 *
 */

#ifndef CRAB_MOVEMENT_H
#define CRAB_MOVEMENT_H

#include "crab/Rectangle.h"
#include "crab/timer.h"
#include "crab/vectors.h"

namespace Crab {

namespace pyrodactyl {
namespace ai {
struct MovementSet {
    struct Movement {
        // The position this sprite has to move to
        Rect _target;

        // The time the sprite waits before it starts moving to pos
        uint32 _delay;

        Movement(rapidxml::xml_node<char> *node) {
            _target.load(node);
            _delay = 0;
            loadNum(_delay, "delay", node);
        }
    };

    // The path followed by the sprite
    Common::Array<Movement> _path;

    // If true, sprite repeats the path pattern after reaching the last co-ordinate
    bool _repeat;

    // The current path node we are traveling to
    uint _cur;

    // The time the sprite has spent waiting is calculated here
    Timer _timer;

    // Is this set enabled?
    bool _enabled;

    MovementSet() {
        _cur = 0;
        _repeat = false;
        _enabled = false;
    }

    MovementSet(rapidxml::xml_node<char> *node) : MovementSet() {
        load(node);
    }

    void load(rapidxml::xml_node<char> *node);

    bool internalEvents(const Rect rect);
    Rect target() { return _path[_cur]._target; }
};
} // End of namespace ai
} // End of namespace pyrodactyl

} // End of namespace Crab

#endif // CRAB_MOVEMENT_H