AlexAegis/advent-of-code

import { Vec2 } from '@alexaegis/advent-of-code-lib';
import type { IOBackend } from '../renderer/index.js';
import type { Initializable } from '../system/initializable.interface.js';

export class ControllerBuffer implements Initializable {
    mousePosition = Vec2.ORIGIN;
    keyBuffer: Record<string, number> = {};

    constructor(private readonly backend: IOBackend) {}

    init(): void {
        this.backend.onKeyPress((event, _modifier) => {
            this.keyBuffer[event] = 1;

            switch (event) {
                case 'UP':
                case 'w': {
                    this.keyBuffer['DOWN'] = 0;
                    this.keyBuffer['s'] = 0;

                    break;
                }
                case 'DOWN':
                case 's': {
                    this.keyBuffer['UP'] = 0;
                    this.keyBuffer['w'] = 0;

                    break;
                }
                case 'LEFT':
                case 'a': {
                    this.keyBuffer['RIGHT'] = 0;
                    this.keyBuffer['d'] = 0;

                    break;
                }
                case 'RIGHT':
                case 'd': {
                    this.keyBuffer['LEFT'] = 0;
                    this.keyBuffer['a'] = 0;

                    break;
                }
                // No default
            }
        });

        this.backend.onMouseMove((event) => {
            this.mousePosition = event;
        });
    }
}