handle virtual controller input on RPGAtsumaru

atsumaru.ts

interface Window {
	RPGAtsumaru;
}
class RPGAtsumaruState {

	buttons;
	next: Function;

	create() {
		this.buttons = {
			left: {}, up: {}, right: {}, down: {}, ok: {}, cancel: {}
		};
		/**
		 * next
		 * @param event {type: string, key: string}
		 */
		this.next = function(event) {
			if (event.key in this.buttons) {
				let isDown = false;
				if (event.type === 'keydown')
					isDown = true;
				this.buttons[event.key].isDown = isDown;
			}
		}.bind(this);
		if (window.RPGAtsumaru) {
			console.log('window.RPGAtsumaru is defined.');
			window.RPGAtsumaru.controllers.defaultController.subscribe(this.next);
		}
		else {
			console.log('window.RPGAtsumaru is undefined.');
		}
	}
	update() {
		if (window.RPGAtsumaru) {
			this._handleInputRPGAtsumaru();
		}
	}
	_handleInputRPGAtsumaru() {
		if (this.buttons.ok.isDown) {
			/* */
		}
	}
}