BountyGoal.js

'use strict';

const QuestGoal = require('../../../src/QuestGoal');

/**
 * A quest goal requiring the player to locate a NPC.
 * TODO: Add Dead-or-Alive feature.
 */
class BountyGoal extends QuestGoal {
  constructor(quest, config, player) {
    config = Object.assign({
      title: 'Locate NPC',
      npc: null, // NPC ID to capture
      home: null, // Area ID to return to
      dead: false // Capture dead or alive?
      
    }, config);

    super(quest, config, player);

    this.state = {
      found: false
    };

    this.on('enterRoom', this._enterRoom);
  }

  getProgress() {
    let percent = this.state.found ? 100 : 0;
    const display = this.state.found ? 'Complete' : 'Not Complete';
    return { percent, display };
  }
  
  _enterRoom(room) {
    if (this.state.found) {
      return;
    }
    let located = false;
    const goalnpcid = this.config.npc;
    if (goalnpcid != null) {
      room.npcs.forEach(npc => {
        if (npc.entityReference == goalnpcid) {
            located = true;
        }
      });
    }
    
    if (located) {
      this.state.found = true;
      // TODO: handle dead-or-alive.
      // TODO: Handle logic for make NPC follow, or go home.
    }

    this.emit('progress', this.getProgress());
  }

  serialize() {
    let data = super.serialize();
    data.config = this.config;
    return data;
  }
}

module.exports = BountyGoal;