112 lines
2.8 KiB
JavaScript
112 lines
2.8 KiB
JavaScript
import {create as createClient} from '@avocado/client';
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import {EntityList} from '@avocado/entity';
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import {ActionRegistry} from '@avocado/input';
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import {AnimationView, Color, Container, Primitives, Renderer} from '@avocado/graphics';
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import {StateSynchronizer} from '@avocado/state';
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import {Animation} from '@avocado/timing';
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const stage = new Container();
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const entityList = new EntityList();
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const stateSynchronizer = new StateSynchronizer({
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entityList,
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});
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let selfEntity;
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function hasSelfEntity() {
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return selfEntity && 'string' !== typeof selfEntity;
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}
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entityList.on('entityAdded', (entity) => {
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// Add to graphics.
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if ('container' in entity) {
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stage.addChild(entity.container);
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}
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// Set self entity.
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if ('string' === typeof selfEntity) {
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const mappedUuid = entityList.mappedUuid(selfEntity);
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if (entity.instanceUuid === mappedUuid) {
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selfEntity = entity;
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}
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}
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else {
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// Only self entity should be controllable.
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entity.removeTrait('controllable');
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}
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});
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entityList.on('entityRemoved', (entity) => {
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// Remove from graphics.
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if ('container' in entity) {
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stage.removeChild(entity.container);
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}
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});
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// Accept input.
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const actionRegistry = new ActionRegistry();
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actionRegistry.mapKeysToActions({
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'w': 'MoveUp',
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'a': 'MoveLeft',
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's': 'MoveDown',
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'd': 'MoveRight',
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});
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actionRegistry.listen();
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let actionState = actionRegistry.state();
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// Create the socket connection.
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const socket = createClient(window.location.href);
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// Create the graphics canvas.
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const renderer = new Renderer([1280, 720]);
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const appNode = document.querySelector('.app');
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appNode.appendChild(renderer.element);
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// Input messages.
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const messageHandle = setInterval(() => {
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if (actionState !== actionRegistry.state()) {
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actionState = actionRegistry.state();
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socket.send({
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type: 'input',
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payload: actionState.toJS()
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});
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}
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}, 1000 / 60);
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// Prediction.
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const predictionHandle = setInterval(() => {
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if (hasSelfEntity()) {
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selfEntity.inputState = actionState.toJS();
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}
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entityList.tick(1 / 60);
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}, 1000 / 60);
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// State updates.
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let dirty = false;
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function onMessage({type, payload}) {
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switch (type) {
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case 'state-update':
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if (payload.selfEntity) {
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selfEntity = payload.selfEntity;
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}
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stateSynchronizer.acceptStateChange(payload);
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dirty = true;
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break;
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default:
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}
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}
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socket.on('message', onMessage);
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// Render.
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function render() {
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stage.tick();
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if (!dirty) {
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return;
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}
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renderer.render(stage);
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dirty = false;
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}
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const renderHandle = setInterval(render, 1000 / 60);
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// Hot reloading.
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if (module.hot) {
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module.hot.accept((error) => {
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console.error(error);
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});
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module.hot.dispose(() => {
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entityList.destroy();
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appNode.removeChild(renderer.element);
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stage.destroy();
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renderer.destroy();
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});
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}
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