mnml/client/src/scenes/combat.log.js
2018-12-05 17:07:26 +10:00

44 lines
1.2 KiB
JavaScript
Executable File

const Phaser = require('phaser');
const { POSITIONS: { COMBAT }, TEXT } = require('./constants');
class CombatLog extends Phaser.Scene {
constructor() {
super({ key: 'CombatLog' });
}
create(game) {
this.registry.events.on('changedata', this.updateData, this);
this.log = this.add.text(COMBAT.LOG.x(), COMBAT.LOG.y(), '', TEXT.NORMAL);
this.logIndex = game.log.length;
this.logData = game.log;
this.log.setWordWrapWidth(COMBAT.LOG.width());
this.log.setText(Array.from(game.log).reverse());
}
updateData(parent, key, data) {
const UPDATE_KEYS = ['game', 'gameLog'];
if (UPDATE_KEYS.includes(key) && data) {
if (key === 'game') {
this.logData = data.log;
}
if (key === 'gameLog') {
this.logIndex = data;
}
this.updateLog();
}
return true;
}
updateLog() {
// shallow copy because reverse mutates
this.log.setText(Array.from(this.logData).slice(0, this.logIndex).reverse());
}
cleanUp() {
this.registry.events.off('changedata', this.updateData);
this.scene.remove();
}
}
module.exports = CombatLog;