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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| <game-menu> | ||
| </game-menu> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,270 @@ | ||
| import { SoundMachine } from "../audio/sound-machine"; | ||
| import { IRenderer } from "../interfaces/irenderer"; | ||
| import { SupportedEngines, rendererFactory } from "../renderer/engines"; | ||
| import { AnimationLoop } from "../utils/animation-interval"; | ||
| import { Level, LevelCallbackFunction } from "../utils/level"; | ||
| import { loadImage } from "../utils/load-image"; | ||
|
|
||
| export class BouldersGame extends HTMLElement { | ||
|
|
||
| canvas: HTMLCanvasElement | null = null; | ||
| renderer: IRenderer | null = null; | ||
| level: Level; | ||
| timer = NaN; | ||
| initialized = false; | ||
| sprites: HTMLImageElement|null = null; | ||
| animationLoop: AnimationLoop|null = null; | ||
| inputQueue: string[] = []; | ||
| framecycles = 0; | ||
| soundMachine = new SoundMachine(); | ||
|
|
||
| constructor() { | ||
| super(); | ||
| this.level = Level.parse(this.querySelector('script')?.textContent || ''); | ||
| } | ||
|
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| static observedAttributes = ['autofocus', 'engine']; | ||
|
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| static register() { | ||
| customElements.define('boulders-game', BouldersGame); | ||
| } | ||
|
|
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| /* attributes */ | ||
|
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| get autofocus(): boolean { | ||
| return this.hasAttribute('autofocus'); | ||
| } | ||
|
|
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| get engine(): SupportedEngines { | ||
| const engine = this.getAttribute('engine'); | ||
| if (! engine) { | ||
| return 'canvas2d'; | ||
| } | ||
| if (engine !== 'webgpu' && engine !== 'canvas2d' && engine !== 'webgl' && engine !== 'noop') { | ||
| throw new Error('Unsupported Engine'); | ||
| } | ||
| return engine; | ||
| } | ||
|
|
||
| /* lifecycle callbacks */ | ||
|
|
||
| async connectedCallback() { | ||
| await this.setup(); | ||
| } | ||
|
|
||
| disconnectedCallback() { | ||
| this.dispose(); | ||
| } | ||
|
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||
| async attributeChangedCallback(name: string, oldValue: string, newValue: string) { | ||
| console.log(name, oldValue, newValue); | ||
| if (name === 'engine') { | ||
| this.createRenderer(); | ||
| } | ||
| } | ||
|
|
||
| /* private methods */ | ||
|
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| private async createRenderer() { | ||
| if (!this.level) { | ||
| throw new Error('no level'); | ||
| } | ||
| if (! this.sprites) { | ||
| this.sprites = await loadImage('/gfx/sprites.png'); | ||
| } | ||
| this.createCanvas(); | ||
| if (this.renderer) { | ||
| this.renderer.dispose(); | ||
| this.renderer = null; | ||
| } | ||
| this.renderer = rendererFactory(this.engine, this.canvas!, this.sprites, this.level); | ||
| await this.renderer.setup(); | ||
| if (this.level) { | ||
| this.renderer.setSize(); | ||
| this.renderer.frame(); | ||
| } | ||
| if (this.autofocus) { | ||
| setTimeout(() => this.canvas?.focus(), 0); | ||
| } | ||
| } | ||
|
|
||
| private createCanvas(): void { | ||
| this.destroyCanvas(); | ||
| this.canvas = document.createElement('canvas'); | ||
| this.canvas.setAttribute('tabindex', '0'); | ||
| this.appendChild(this.canvas); | ||
| if (! this.canvas) { | ||
| throw Error('Canvas creation failed.'); | ||
| } | ||
| this.canvas.addEventListener('focus', this.onFocus, false); | ||
| this.canvas.addEventListener('blur', this.onBlur, false); | ||
| this.canvas.addEventListener('keydown', this.onKeyDown, false); | ||
| window.addEventListener('resize', this.onResize, false); | ||
| } | ||
|
|
||
| private destroyCanvas(): void { | ||
| if (this.canvas) { | ||
| window.removeEventListener('resize', this.onResize, false); | ||
| this.canvas.removeEventListener('focus', this.onFocus, false); | ||
| this.canvas.removeEventListener('blur', this.onBlur, false); | ||
| this.canvas.removeEventListener('keydown', this.onKeyDown, false); | ||
| this.canvas.remove(); | ||
| this.canvas = null; | ||
| } | ||
| } | ||
|
|
||
| private async setup() { | ||
| this.soundMachine.setup(); | ||
| if (! this.renderer) { | ||
| await this.createRenderer(); | ||
| } | ||
| if (! this.animationLoop) { | ||
| this.animationLoop = new AnimationLoop(); | ||
| this.animationLoop.add(this.renderLoop, 1000 / 25); | ||
| this.animationLoop.add(this.inputLoop, 50); | ||
| this.animationLoop.add(this.stoneLoop, 200); | ||
| this.animationLoop.add(this.ghostLoop, 300); | ||
| } | ||
| this.level.subscribe(this.onGameEvent); | ||
|
|
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| this.initialized = true; | ||
| } | ||
|
|
||
| dispose() { | ||
| this.animationLoop?.dispose(); | ||
| this.renderer?.dispose(); | ||
| this.soundMachine.dispose(); | ||
| this.destroyCanvas(); | ||
| this.level?.unsubscribe(); | ||
| this.renderer = null; | ||
| this.initialized = false; | ||
| } | ||
|
|
||
| onGameEvent: LevelCallbackFunction = (eventName: string) => { | ||
| if (eventName === 'gem') { | ||
| this.soundMachine.bling(); | ||
| } | ||
| if (eventName === 'push') { | ||
| this.soundMachine.push(); | ||
| } | ||
| if (eventName === 'ground') { | ||
| this.soundMachine.rock(); | ||
| } | ||
| if (eventName === 'gameover') { | ||
| this.soundMachine.gameover(); | ||
| } | ||
| } | ||
|
|
||
| onKeyDown = (e: KeyboardEvent) => { | ||
| if (e.code === 'Escape') { | ||
| const gameMenu: HTMLDialogElement = document.getElementById('gameMenu') as HTMLDialogElement; | ||
| window.setTimeout(() => gameMenu.showModal(), 0); | ||
| } | ||
| if (!this.level?.playerAlive) { | ||
| return; | ||
| } | ||
| if (e.code === 'ArrowUp' || e.code === 'KeyW') { | ||
| this.inputQueue.push('up'); | ||
| } | ||
| if (e.code === 'ArrowDown' || e.code === 'KeyS') { | ||
| this.inputQueue.push('down'); | ||
| } | ||
| if (e.code === 'ArrowLeft' || e.code === 'KeyA') { | ||
| this.inputQueue.push('left'); | ||
| } | ||
| if (e.code === 'ArrowRight' || e.code === 'KeyD') { | ||
| this.inputQueue.push('right'); | ||
| } | ||
|
|
||
| }; | ||
|
|
||
| onPointerDown = (e: PointerEvent) => { | ||
| const thirdX = this.clientWidth / 3; | ||
| const thirdY = this.clientHeight / 3; | ||
| const [X, Y] = [(e.clientX / thirdX)|0, (e.clientY / thirdY)|0]; | ||
|
|
||
| if (!this.level.playerAlive) { | ||
| return; | ||
| } | ||
| if (X === 1 && Y === 0) { | ||
| this.inputQueue.push('up'); | ||
| } | ||
| if (X === 0 && Y === 1) { | ||
| this.inputQueue.push('left'); | ||
| } | ||
| if (X === 2 && Y === 1) { | ||
| this.inputQueue.push('right'); | ||
| } | ||
| if (X === 1 && Y === 2) { | ||
| this.inputQueue.push('down'); | ||
| } | ||
| } | ||
|
|
||
| onFocus = () => { | ||
| this.animationLoop?.run(); | ||
| window.setTimeout(() => | ||
| this.addEventListener('pointerdown', this.onPointerDown, false), 100 | ||
| ); | ||
| } | ||
|
|
||
| onBlur = () => { | ||
| this.animationLoop?.stop(); | ||
| this.removeEventListener('pointerdown', this.onPointerDown, false) | ||
| } | ||
|
|
||
| onResize = () => { | ||
| if (!this.renderer) { | ||
| return; | ||
| } | ||
|
|
||
| this.renderer.setSize(); | ||
| if (this.level) { | ||
| this.renderer.frame(); | ||
| } | ||
| } | ||
|
|
||
| renderLoop = (t: DOMHighResTimeStamp) => { | ||
| if (!this.level || !this.renderer) { | ||
| return; | ||
| } | ||
| this.renderer.frame(); | ||
| } | ||
|
|
||
| stoneLoop = () => { | ||
| if (this.level) { | ||
| this.level.stoneFall(); | ||
| this.renderer?.frame(); | ||
| } | ||
| } | ||
|
|
||
| ghostLoop = () => { | ||
| if (this.level) { | ||
| this.level.moveGhosts(); | ||
| this.renderer?.frame(); | ||
| } | ||
| } | ||
|
|
||
| inputLoop = () => { | ||
| const code = this.inputQueue.pop(); | ||
| const { level } = this; | ||
| if (! level || !level.playerAlive) { | ||
| return; | ||
| } | ||
| if (code === 'up') { | ||
| level.move(0, -1); | ||
| this.renderer?.frame(); | ||
| } | ||
| if (code === 'down') { | ||
| level.move(0, 1); | ||
| this.renderer?.frame(); | ||
| } | ||
| if (code === 'left') { | ||
| level.move(-1, 0); | ||
| this.renderer?.frame(); | ||
| } | ||
| if (code === 'right') { | ||
| level.move(1, 0); | ||
| this.renderer?.frame(); | ||
| } | ||
| } | ||
| } |
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