rot-js/lib/scheduler/action.js

A roguelike toolkit in JavaScript

import Scheduler from "./scheduler.js";
/**
 * @class Action-based scheduler
 * @augments ROT.Scheduler
 */
export default class Action extends Scheduler {
    constructor() {
        super();
        this._defaultDuration = 1; /* for newly added */
        this._duration = this._defaultDuration; /* for this._current */
    }
    /**
     * @param {object} item
     * @param {bool} repeat
     * @param {number} [time=1]
     * @see ROT.Scheduler#add
     */
    add(item, repeat, time) {
        this._queue.add(item, time || this._defaultDuration);
        return super.add(item, repeat);
    }
    clear() {
        this._duration = this._defaultDuration;
        return super.clear();
    }
    remove(item) {
        if (item == this._current) {
            this._duration = this._defaultDuration;
        }
        return super.remove(item);
    }
    /**
     * @see ROT.Scheduler#next
     */
    next() {
        if (this._current !== null && this._repeat.indexOf(this._current) != -1) {
            this._queue.add(this._current, this._duration || this._defaultDuration);
            this._duration = this._defaultDuration;
        }
        return super.next();
    }
    /**
     * Set duration for the active item
     */
    setDuration(time) {
        if (this._current) {
            this._duration = time;
        }
        return this;
    }
}