Event as Chatbot

src-modules-main-server-events-villager.ts

import { RpgEvent, EventData, RpgPlayer } from '@rpgjs/server'
import { NlpManager } from 'node-nlp'

const trainNpc = async () => {
    const manager = new NlpManager({ languages: ['en'], forceNER: true });
    manager.addDocument('en', 'goodbye for now', 'greetings.bye');
    manager.addDocument('en', 'bye bye take care', 'greetings.bye');
    manager.addDocument('en', 'okay see you later', 'greetings.bye');
    manager.addDocument('en', 'bye for now', 'greetings.bye');
    manager.addDocument('en', 'i must go', 'greetings.bye');
    manager.addDocument('en', 'hello', 'greetings.hello');
    manager.addDocument('en', 'hi', 'greetings.hello');
    manager.addDocument('en', 'howdy', 'greetings.hello');

    // Train also the NLG
    manager.addAnswer('en', 'greetings.bye', 'Till next time');
    manager.addAnswer('en', 'greetings.bye', 'see you soon!');
    manager.addAnswer('en', 'greetings.hello', 'Hey there!');
    manager.addAnswer('en', 'greetings.hello', 'Greetings!');
    await manager.train();
    return manager
}

@EventData({
    name: 'EV-1', 
    hitbox: {
        width: 32,
        height: 16
    }
})
export class VillagerEvent extends RpgEvent {
    manager: NlpManager

    async onInit() {
        this.setGraphic('female132')
        this.manager =  await trainNpc()
    }
    async onAction(player: RpgPlayer) {
        const gui = player.gui('prompt')
        const { promptText } = await gui.open({
            text: 'What do you want to tell me?'
        }, {
            waitingAction: true,
            blockPlayerInput: true
        })
        const response = await this.manager.process('en', promptText)
        const answer = response.answer ?? 'What ?'
        await player.showText(answer, {
            talkWith: this
        })
    }
}