@woosh/meep-engine/src/engine/ecs/dynamic_actions/actions/definition/SpeakLineActionDescription.js

Pure JavaScript game engine. Fully featured and production ready.

import { assert } from "../../../../../core/assert.js";
import {
    ParallelBehavior,
    ParallelBehaviorPolicy
} from "../../../../intelligence/behavior/composite/ParallelBehavior.js";
import { SendEventBehavior } from "../../../../intelligence/behavior/ecs/SendEventBehavior.js";
import { WaitForEventBehavior } from "../../../../intelligence/behavior/ecs/WaitForEventBehavior.js";
import { VoiceEvents } from "../../../speaker/VoiceEvents.js";
import { AbstractActionDescription } from "./AbstractActionDescription.js";

export class SpeakLineActionDescription extends AbstractActionDescription {

    /**
     *
     * @type {string}
     */
    id = "";

    isGroup = false;

    /**
     * If override is on, will request speaking a line even if another line is currently being spoken
     * @type {boolean}
     */
    override = false;

    execute(actor, dataset, context, system) {
        const id = this.id;

        const is_group = this.isGroup;

        const event_type = is_group ? VoiceEvents.SpeakSetLine : VoiceEvents.SpeakLine;

        return ParallelBehavior.from(
            [
                // start waiting for line speech completion
                WaitForEventBehavior.fromJSON({
                    target: actor,
                    event: VoiceEvents.FinishedSpeakingLine
                }),
                SendEventBehavior.fromJSON({
                    target: actor,
                    event: event_type,
                    data: {
                        id: id
                    }
                })
            ],
            ParallelBehaviorPolicy.RequireAll,
            ParallelBehaviorPolicy.RequireOne
        );
    }

    /**
     *
     * @param {string} [line_id]
     * @param {string} [set_id]
     */
    fromJSON({ line_id, set_id }) {
        if (set_id !== undefined && line_id !== undefined) {
            throw new Error(`Both line_id and group_id are set, only one is expected`);
        }

        if (line_id !== undefined) {
            assert.isString(line_id, 'line_id');

            this.isGroup = false;
            this.id = line_id;
        } else {
            assert.isString(set_id, 'set_id');

            this.isGroup = true;
            this.id = set_id;
        }
    }
}

SpeakLineActionDescription.prototype.type = "SpeakLine";