creature_queue.js

var CreatureQueue = class CreatureQueue {
	constructor(game) {
		this.game = game;
		this.queue = [];
		this.nextQueue = [];
	}

	/**
	 * Add a creature to the next turn's queue by initiative
	 * creature - The creature to add
	 */
	addByInitiative(creature) {
		for (let i = 0; i < this.nextQueue.length; i++) {
			let queue = this.nextQueue[i];

			if (queue.delayed || queue.getInitiative() < creature.getInitiative()) {
				this.nextQueue.splice(i, 0, creature);
				return;
			}
		}

		this.nextQueue.push(creature);
	}

	dequeue() {
		return this.queue.splice(0, 1)[0];
	}

	remove(creature) {
		arrayUtils.removePos(this.queue, creature);
		arrayUtils.removePos(this.nextQueue, creature);
	}

	nextRound() {
		// Copy next queue into current queue
		this.queue = this.nextQueue.slice(0);
		// Sort next queue by initiative (current queue may be reordered) descending
		this.nextQueue = this.nextQueue.sort((a, b) => b.getInitiative() - a.getInitiative());
	}

	isCurrentEmpty() {
		return this.queue.length === 0;
	}

	isNextEmpty() {
		return this.nextQueue.length === 0;
	}

	delay(creature) {
		// Find out if the creature is in the current queue or next queue; remove
		// it from the queue and replace it at the end
		let game = this.game,
			inQueue = arrayUtils.removePos(this.queue, creature) || creature === game.activeCreature,
			queue = this.queue;

		if (!inQueue) {
			queue = this.nextQueue;
			arrayUtils.removePos(this.nextQueue, creature);
		}
		// Move creature to end of queue but in order w.r.t. other delayed creatures
		for (let i = 0, len = queue.length; i < len; i++) {
			if (!queue[i].delayed) {
				continue;
			}

			if (queue[i].getInitiative() < creature.getInitiative()) {
				queue.splice(i, 0, creature);
				return;
			}
		}

		queue.push(creature);
	}
};