272 lines
11 KiB
TypeScript
272 lines
11 KiB
TypeScript
import { is, fromJS, Dataflow, Dataspace, Embedded, Reader, Ref, Schemas, Sturdy, Turn } from "@syndicate-lang/core";
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import * as html from "@syndicate-lang/html";
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import * as timer from "@syndicate-lang/timer";
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import * as wsRelay from "@syndicate-lang/ws-relay";
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import * as wakeDetector from './wake-detector.js';
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import * as Shapes from './gen/shapes.js';
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import * as SceneProtocol from './gen/scene.js';
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import { md5 } from './md5.js';
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import { setupLog, log } from './log.js';
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import {
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AbstractMesh,
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Mesh,
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Vector3,
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} from '@babylonjs/core/Legacy/legacy';
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import { activeFloorMeshes, activeTouchableMeshes, ShapeTree, v3, scale3, buildSound, builder as B } from './shapes.js';
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import { RunningEngine } from './engine.js';
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import { uuid } from './uuid.js';
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assertion type SceneHandle(ds: Embedded<Ref>);
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function interpretScene(myId: string, runningEngine: RunningEngine, rootMesh: Mesh, sceneDs: Ref) {
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at sceneDs {
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during Shapes.Sprite({ "name": $name: string }) => spawn named `sprite:${name}` {
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if (name === myId) {
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console.log('ignoring sprite', name);
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} else {
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console.log('+shape', name);
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on stop console.log('-shape', name);
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spriteMain(name, runningEngine, rootMesh, sceneDs);
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}
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}
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during SceneProtocol.AmbientSound({
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"name": $name: string,
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"spec": $spec: SceneProtocol.SoundSpec
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}) => spawn named `sound:${name}` {
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const sound = buildSound(name, runningEngine.scene, spec, false);
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on stop sound.dispose();
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}
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}
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}
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function spriteMain(spriteName: string, runningEngine: RunningEngine, rootMesh: Mesh, sceneDs: Ref) {
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at sceneDs {
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let currentShape = ShapeTree.empty(spriteName, runningEngine.scene);
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currentShape.rootnode.parent = rootMesh;
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on stop currentShape.remove();
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during Shapes.Sprite({ "name": spriteName, "shape": $shape: Shapes.Shape }) => {
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currentShape = currentShape.reconcile(spriteName, spriteName, shape);
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currentShape.rootnode.parent = rootMesh;
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}
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during SceneProtocol.Gravity($direction: Shapes.Vector3) => {
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runningEngine.applyGravity = true;
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on stop runningEngine.applyGravity = false;
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runningEngine.gravity = v3(direction);
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}
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}
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}
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async function enterScene(
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routeField: Dataflow.Field<wsRelay.Noise.Route<Ref>>,
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id: string,
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runningEngine: RunningEngine,
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ds: Ref,
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sceneDs: Ref,
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initialPosition: Vector3,
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email: Dataflow.Field<string>,
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) {
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const currentSceneFacet = Turn.activeFacet;
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console.log('enterScene', sceneDs);
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const rootMesh = new Mesh('--root-' + (+new Date()), runningEngine.scene);
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runningEngine.applyGravity = false;
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runningEngine.camera.position = initialPosition.clone();
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interpretScene(id, runningEngine, rootMesh, sceneDs);
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let lastTouchTime = 0;
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let lastTouchSpriteName = "";
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runningEngine.onCollide = (other: AbstractMesh) => {
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if (other.metadata?.touchable) {
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const now = +new Date();
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const touched = other.metadata?.spriteName ?? "";
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if ((now - lastTouchTime > 500) || (lastTouchSpriteName !== touched)) {
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currentSceneFacet.turn(() => {
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at sceneDs {
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send message SceneProtocol.Touch({
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subject: id,
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object: touched,
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});
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}
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});
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lastTouchTime = now;
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lastTouchSpriteName = touched;
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}
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}
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};
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const currentPosition = () => Shapes.Vector3(runningEngine.position);
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const currentRotation = () => Shapes.Vector3(runningEngine.rotation);
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field position: Shapes.Vector3 = currentPosition();
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field rotation: Shapes.Vector3 = currentRotation();
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const refreshPeriod = Math.floor(1000 / 10);
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at ds {
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on message timer.PeriodicTick(refreshPeriod) => {
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const newPosition = currentPosition();
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const newRotation = currentRotation();
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if (!is(Shapes.fromVector3(position.value), Shapes.fromVector3(newPosition))) {
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position.value = newPosition;
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}
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if (!is(Shapes.fromVector3(rotation.value), Shapes.fromVector3(newRotation))) {
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rotation.value = newRotation;
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}
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}
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}
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at sceneDs {
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on message SceneProtocol.Touch({ "subject": id, "object": $o }) => {
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react {
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let needStop = true;
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on asserted SceneProtocol.Portal({
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"name": o,
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"destination": $dest: SceneProtocol.PortalDestination,
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"position": $targetPosition: Shapes.Vector3,
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}) => {
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const newPos = new Vector3(targetPosition.x,
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targetPosition.y,
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targetPosition.z)
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.add(runningEngine.options.initialPos);
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needStop = false;
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switch (dest._variant) {
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case "local":
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if (dest.value === sceneDs) {
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runningEngine.camera.position = newPos;
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} else {
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runningEngine.scene.removeMesh(rootMesh, true);
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Turn.active.stop(currentSceneFacet, () => {
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react {
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enterScene(routeField,
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id,
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runningEngine,
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ds,
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dest.value,
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newPos,
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email);
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}
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});
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}
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break;
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default:
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console.log('jumping to remote portal', dest);
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routeField.value = dest.value;
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break;
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}
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}
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const checkFacet = Turn.activeFacet;
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Turn.active.sync(sceneDs).then(() => checkFacet.turn(() => {
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if (needStop) {
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stop {}
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}
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}));
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}
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}
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assert Shapes.Sprite({
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name: id,
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shape: B.nonphysical(
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B.move(position.value, B.many([
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B.move({ x: 0, y: -0.9, z: 0 },
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B.rotate(scale3({ x: 0, y: rotation.value.y, z: 0 }, 1 / (2 * Math.PI)),
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B.scale({ x: 0.4, y: 1.4, z: 0.1 }, B.box()))),
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B.rotate(scale3(rotation.value, 1 / (2 * Math.PI)),
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B.scale({ x: 0.15, y: 0.23, z: 0.18 }, B.many([
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B.box(),
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B.move({ x: 0, y: 0, z: 0.501 },
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B.texture(
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Shapes.TextureSpec.uvAlpha({
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path: `https://www.gravatar.com/avatar/${md5(new TextEncoder().encode(email.value.trim()))}?s=256&d=wavatar`,
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scale: Shapes.Vector2({ x:1, y:1 }),
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offset: Shapes.Vector2({ x:0, y:0 }),
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alpha: 1
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}),
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B.rotate({ x: 0, y: 0.5, z: 0 },
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B.plane()))),
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]))),
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]))),
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});
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}
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}
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function wsurl(): string {
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const scheme = (document.location.protocol.toLowerCase() === 'https:') ? 'wss' : 'ws';
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return `${scheme}://${document.location.host}/ws`;
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}
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function bootApp(ds: Ref, runningEngine: RunningEngine) {
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spawn named 'app' {
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at ds {
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const id = uuid();
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const url = wsurl();
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const relayAddr = wsRelay.RelayAddress(Schemas.transportAddress.WebSocket(url));
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field email: string = localStorage.getItem('userEmail') ?? id;
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const outerFacet = Turn.activeFacet;
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const emailInput = document.getElementById('emailInput') as HTMLInputElement;
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emailInput.value = email.value;
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emailInput.addEventListener('keyup', () => outerFacet.turn(() => {
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email.value = emailInput.value;
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localStorage.setItem('userEmail', emailInput.value);
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}));
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field route: wsRelay.Noise.Route<Ref> = wsRelay.Noise.Route<Ref>({
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"transports": [fromJS(relayAddr)],
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"steps": [],
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});
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during wsRelay.Resolved({
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"route": route.value,
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"addr": $addr: wsRelay.RelayAddress,
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"resolved": $remoteDs_e: Embedded,
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}) => {
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const remoteDs = remoteDs_e.embeddedValue;
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setupLog(remoteDs, id, Symbol.for('vr-demo'));
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log('connected');
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on message wakeDetector.WakeEvent() => {
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send message wsRelay.ForceRelayDisconnect(addr);
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}
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react {
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at remoteDs {
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stop on asserted SceneHandle($sceneDs_e: Embedded) => {
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react {
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enterScene(route,
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id,
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runningEngine,
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ds,
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sceneDs_e.embeddedValue,
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runningEngine.options.initialPos,
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email);
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}
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}
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}
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}
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}
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}
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}
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}
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window.addEventListener('load', async () => {
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const runningEngine = await RunningEngine.start({
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floorMeshes: () => activeFloorMeshes,
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touchableMeshes: () => activeTouchableMeshes,
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});
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Dataspace.boot(ds => {
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html.boot(ds);
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timer.boot(ds);
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wsRelay.boot(ds, false);
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wakeDetector.boot(ds);
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bootApp(ds, runningEngine);
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});
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});
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