import { VRSPACE } from '../client/vrspace.js';
import { VRSPACEUI } from './vrspace-ui.js';
import { MediaStreams } from '../core/media-streams.js';
import { SpeechInput } from '../core/speech-input.js';
import { WorldManager } from '../core/world-manager.js';
import { World } from '../world/world.js';
import { VRSpaceAPI } from '../client/rest-api.js';
import { VRHelper } from '../xr/vr-helper.js';
import { ServerFile } from '../core/server-folder.js';
import { EmojiParticleSystem } from './world/emoji-particle-system.js';
import { Screencast } from './world/screencast.js';
import { Whiteboard } from './world/whiteboard.js';
import { TextArea } from './widget/text-area.js';
import { Sceneshot } from '../world/sceneshot.js';
import { HideAndSeek } from '../games/hide-and-seek.js';
import { GameTag } from '../games/game-tag.js';
import { SoundMixer } from './widget/sound-mixer.js';
import { CameraHelper } from '../world/camera-helper.js';
/**
* Adds default holographic buttons to the HUD.
*/
export class DefaultHud {
constructor(scene) {
this.scene = scene;
this.hud = VRSPACEUI.hud;
this.hud.verticalWeb = -0.15;
this.contentBase = VRSPACEUI.contentBase;
this.displayButtons = false;
this.avatar = null;
this.videoAvatar = null;
this.isAuthenticated = false;
this.xrMovementChangeEnabled = true;
this.xrTeleport = true;
this.portals = {};
this.state = { mic: false, webcam: false, speech: SpeechInput.isEnabled() };
this.movementButton = null;
this.orientationButton = null;
this.cameraButton = null;
this.buttons = [];
this.emojiParticleSystem = new EmojiParticleSystem(scene);
this.screencast = null;
this.whiteboard = null;
this.creditArea = null;
}
init() {
if ( this.settingsButton && this.displayButtons ) {
this.clearRow();
this.displayButtons = false;
} else if (!this.settingsButton) {
this.settingsButton = this.hud.addButton("Settings", this.contentBase + "/content/icons/settings.png", () => this.settings());
this.toolsButton = this.hud.addButton("Tools", this.contentBase + "/content/icons/tools.png", () => this.tools());
this.gamesButton = this.hud.addButton("Games", this.contentBase + "/content/icons/gamepad.png", () => this.games(), false);
this.emojiButton = this.hud.addButton("Emoji", this.contentBase + "/content/icons/emoji.png", () => this.emojis());
this.shareButton = this.hud.addButton("Share", this.contentBase + "/content/icons/share.png", () => this.share());
this.hud.enableSpeech(true);
}
if ( this.isOnline() ) {
this.hud.markEnabled(this.gamesButton);
} else {
this.hud.markDisabled(this.gamesButton);
}
}
streamingAvailable() {
// TODO check server capabilities
// screen sharing unavailable on mobiles
return this.isOnline() && ! VRSPACEUI.hasTouchScreen();
}
isOnline() {
return WorldManager.instance && WorldManager.instance.isOnline();
}
settings() {
this.displayButtons = !this.displayButtons;
if ( this.displayButtons ) {
this.hud.showButtons(false, this.settingsButton);
this.hud.newRow();
this.showMobileControls();
this.showCameraControls();
// CHECKME: flying through everything, should not be enabled by default
this.showXRMovementControls();
/*
// this is supposed to either change profile, or allow user to activate some avatar animation
this.avatarButton = this.hud.addButton("Avatar", this.contentBase + "/content/icons/avatar.png", () => this.changeAvatar());
this.avatarButton.isVisible = (this.avatar != null);
this.avatarButton.tooltipText = "TODO";
*/
this.soundButton = this.hud.addButton("Sound", this.contentBase + "/content/icons/sound.png", () => this.soundMixer(), false);
this.soundButton.tooltipText = "Sound Mixer";
this.micButton = this.hud.addButton("Microphone", this.contentBase + "/content/icons/microphone-off.png", () => this.toggleMic(), false);
this.micButton.tooltipText = "Toggle Microphone";
this.displayMic();
this.webcamButton = this.hud.addButton("Camera", this.contentBase + "/content/icons/webcam-off.png", () => this.toggleWebcam(), false);
this.webcamButton.tooltipText = "Toggle Webcam";
this.toggleWebcam(this.state.webcam);
this.speechButton = this.hud.addButton("Voice", this.contentBase + "/content/icons/voice-recognition-off.png", () => this.speech(), false);
this.speechButton.tooltipText = "Voice Commands";
this.speech(this.state.speech);
this.hud.enableSpeech(true);
} else {
this.clearRow();
}
}
tools() {
this.displayButtons = !this.displayButtons;
if ( this.displayButtons ) {
this.hud.showButtons(false, this.toolsButton);
this.hud.newRow();
this.saveButton = this.hud.addButton("Save", this.contentBase + "/content/icons/save.png", () => this.save(), false);
this.saveButton.tooltipText = "Save&Download";
this.authorsButton = this.hud.addButton("Credits", this.contentBase + "/content/icons/copyleft.png", () => this.credits(), false);
this.authorsButton.tooltipText = "Authors";
this.helpButton = this.hud.addButton("Help", this.contentBase + "/content/icons/help.png", () => this.help());
this.helpButton.tooltipText = "TODO";
this.hud.enableSpeech(true);
} else {
this.clearRow();
}
}
clearRow() {
this.hud.clearRow();
if ( this.orientationButton ) {
this.orientationButton.dispose();
this.orientationButton = null;
}
if ( this.cameraButton ) {
this.cameraButton.dispose();
this.cameraButton = null;
}
if ( this.movementButton ) {
this.movementButton.dispose();
this.movementButton = null;
}
if ( this.screencastButton ) {
this.screencastButton.dispose();
this.whiteboardButton.dispose();
this.fileButton.dispose();
this.screencastButton = null;
this.whiteboardButton = null;
this.fileButton = null;
}
if ( this.creditArea ) {
this.creditArea.dispose();
this.creditArea = null;
}
this.buttons.forEach(b=>b.dispose());
this.buttons = [];
this.hud.showButtons(true);
}
emojis() {
this.displayButtons = !this.displayButtons;
if ( this.displayButtons ) {
this.hud.showButtons(false, this.emojiButton);
this.hud.newRow();
// FIXME: synchronize this
VRSPACEUI.listDirectory(this.contentBase + "/content/emoji", emojis => {
console.log(emojis);
emojis.forEach( url=>{
let sf=new ServerFile(url);
// do not use full url here, use only path and file
let button = this.hud.addButton(sf.baseName, sf.getPath(), () => this.playEmoji(sf.getPath()), false);
button.backMaterial.alpha = 1;
button.plateMaterial.disableLighting = true;
button.plateMaterial.emissiveColor = new BABYLON.Color3(0.3,0.3,0.3);
button.onPointerUpObservable.add( () => this.stopEmoji() );
this.buttons.push(button);
});
});
} else {
this.clearRow();
}
}
playEmoji(url) {
console.log("Playing emoji "+url);
this.stopEmoji();
if (this.isOnline()) {
// online, bind to camera in 1st person and to avatar in 3rd person view
if ( WorldManager.instance.world.camera3p && this.scene.activeCamera == WorldManager.instance.world.camera3p ) {
this.emojiParticleSystem.init(url, WorldManager.instance.world.avatarController.avatar).start();
} else {
this.emojiParticleSystem.init(url).start();
}
// start remote emoji here
WorldManager.instance.publishChanges( [{field:'emoji',value:url}] );
} else if (this.avatar) {
// offline, avatar chosen
this.emojiParticleSystem.init(url, this.avatar, -5).start();
} else if ( this.videoAvatar) {
this.emojiParticleSystem.init(url, this.videoAvatar, -5).start();
} else {
// offline, no avatar yet
this.emojiParticleSystem.init(url).start();
}
}
stopEmoji() {
console.log("Stopping emoji");
this.emojiParticleSystem.stop();
// stop remote emoji here
if (this.isOnline()) {
WorldManager.instance.publishChanges( [{field:'emoji',value:null}] );
}
}
setAvatar(avatar) {
if ( this.avatarButton ) {
this.avatarButton.isVisible = (avatar != null);
// we can't stream to avatar anyway, not yet
this.toggleWebcam(false);
}
this.avatar = avatar;
}
changeAvatar() {
// TODO
}
setAuthenticated(arg=false) {
this.isAuthenticated = arg;
if ( !this.displayButtons && this.isAuthenticated && ! this.worldButton) {
// add this button only once, to the first row along with settings button
this.worldButton = this.hud.addButton("World", this.contentBase + "/content/icons/world-add.png", () => {this.showWorldTemplates()});
}
}
showMobileControls() {
if ( VRSPACEUI.hasTouchScreen() ) {
if ( ! this.orientationButton ) {
this.orientationButton = this.hud.addButton("Rotation", VRSPACEUI.contentBase+"/content/icons/rotate-hand.png", () => this.toggleOrientation());
}
if ( CameraHelper.lastInstance.mobileOrientationEnabled ) {
this.orientationButton.imageUrl = VRSPACEUI.contentBase+"/content/icons/rotate-hand.png";
this.orientationButton.tooltipText = "3rd Person";
} else {
this.orientationButton.imageUrl = VRSPACEUI.contentBase+"/content/icons/rotate-screen.png";
this.orientationButton.tooltipText = "1st Person";
}
}
}
toggleOrientation() {
CameraHelper.lastInstance.enableMobileOrientation(!CameraHelper.lastInstance.mobileOrientationEnabled);
CameraHelper.mobileOrientationEnabled = CameraHelper.lastInstance.mobileOrientationEnabled;
this.showMobileControls();
}
showCameraControls() {
if ( WorldManager.instance && WorldManager.instance.world && WorldManager.instance.world.camera3p && WorldManager.instance.world.camera1p ) {
if ( ! this.cameraButton ) {
this.cameraButton = this.hud.addButton("View", VRSPACEUI.contentBase+"/content/icons/camera-1st-person.png", () => this.toggleCamera());
}
if ( this.scene.activeCamera == WorldManager.instance.world.camera1p ) {
this.cameraButton.imageUrl = VRSPACEUI.contentBase+"/content/icons/camera-3rd-person.png";
this.cameraButton.tooltipText = "3rd Person";
} else if ( this.scene.activeCamera == WorldManager.instance.world.camera3p ) {
this.cameraButton.imageUrl = VRSPACEUI.contentBase+"/content/icons/camera-1st-person.png";
this.cameraButton.tooltipText = "1st Person";
}
}
}
toggleCamera() {
if ( WorldManager.instance && WorldManager.instance.world && WorldManager.instance.world.camera3p && WorldManager.instance.world.camera1p ) {
if ( this.scene.activeCamera == WorldManager.instance.world.camera1p ) {
WorldManager.instance.world.thirdPerson();
} else if ( this.scene.activeCamera == WorldManager.instance.world.camera3p ) {
WorldManager.instance.world.firstPerson();
}
this.showCameraControls();
}
}
showXRMovementControls() {
if ( this.scene.activeCamera.getClassName() == 'WebXRCamera' ) {
if ( ! this.movementButton ) {
this.movementButton = this.hud.addButton("Movement", VRSPACEUI.contentBase+"/content/icons/man-run.png.png", () => this.toggleXRMovement());
}
if ( this.xrTeleport ) {
VRHelper.getInstance().enableTeleportation();
this.movementButton.imageUrl = VRSPACEUI.contentBase+"/content/icons/man-run.png";
this.movementButton.tooltipText = "Slide";
} else {
VRHelper.getInstance().enableSliding();
this.movementButton.imageUrl = VRSPACEUI.contentBase+"/content/icons/man-jump.png";
this.movementButton.tooltipText = "Teleport";
}
}
}
toggleXRMovement() {
this.xrTeleport = !this.xrTeleport;
this.showXRMovementControls();
}
displayMic() {
if ( MediaStreams.instance ) {
this.state.mic = MediaStreams.instance.publishingAudio;
if (this.state.mic) {
this.micButton.imageUrl = this.contentBase + "/content/icons/microphone.png";
} else {
this.micButton.imageUrl = this.contentBase + "/content/icons/microphone-off.png";
}
} else {
this.state.mic = false;
this.hud.markDisabled(this.micButton);
}
}
toggleMic(enabled=!this.state.mic) {
if ( MediaStreams.instance ) {
MediaStreams.instance.publishAudio(enabled);
this.displayMic();
}
}
toggleWebcam(enable=!this.state.webcam, videoAvatar) {
console.log("Webcam: "+enable);
if ( videoAvatar ) {
this.videoAvatar = videoAvatar;
this.hud.markEnabled(this.webcamButton);
}
this.state.webcam = enable;
if ( this.webcamButton ) {
// webcamButton may be created/destroyed any time
if ( !this.videoAvatar ) {
this.hud.markDisabled(this.webcamButton);
return;
}
if (this.state.webcam) {
this.webcamButton.imageUrl = this.contentBase + "/content/icons/webcam.png";
if ( this.videoAvatar ) {
this.videoAvatar.displayVideo();
}
} else {
this.webcamButton.imageUrl = this.contentBase + "/content/icons/webcam-off.png";
if ( this.videoAvatar ) {
this.videoAvatar.displayAlt();
}
}
if ( MediaStreams.instance ) {
MediaStreams.instance.publishVideo(enable);
}
}
}
speech(enable=!this.state.speech) {
if ( SpeechInput.available() ) {
this.state.speech = enable;
SpeechInput.enabled = enable;
this.hud.enableSpeech(enable);
if (this.state.speech) {
this.speechButton.imageUrl = this.contentBase + "/content/icons/voice-recognition.png";
} else {
this.speechButton.imageUrl = this.contentBase + "/content/icons/voice-recognition-off.png";
}
} else {
this.hud.markDisabled(this.speechButton);
}
}
credits() {
let assets = VRSPACEUI.assetLoader.assetInfos();
if ( this.creditArea ) {
this.hud.markEnabled(this.authorsButton, true);
this.creditArea.dispose();
this.creditArea = null;
return;
}
if ( Object.keys(assets).length > 0 ) {
this.hud.markActive(this.authorsButton, true);
this.creditArea = new TextArea(this.scene, "TouchTextArea");
let rows = Math.floor(Object.keys(assets).length / 4)+ 1;
this.creditArea.width = 1024;
this.creditArea.height = 512*rows;
this.creditArea.text = "Credits:";
this.creditArea.attachToHud();
this.creditArea.size = .5;
this.creditArea.position = new BABYLON.Vector3(0, .2, .5);
this.creditArea.show();
for ( let url in assets ) {
this.creditArea.writeln();
this.creditArea.writeln(url);
let info = assets[url];
if ( info ) {
for ( let data in info ) {
this.creditArea.println(data+": "+info[data]);
}
} else {
this.creditArea.writeln('No author information available');
}
}
}
}
help() {
// TODO
}
showWorldTemplates() {
this.displayButtons = !this.displayButtons;
if ( this.displayButtons ) {
this.hud.showButtons(false, this.worldButton);
this.hud.newRow();
for (let name in this.portals) {
let p = this.portals[name];
let button = this.hud.addButton(p.name, p.imageUrl, () => {this.createWorld(p)});
this.buttons.push(button);
}
} else {
this.clearRow();
}
}
async createWorld(portal) {
console.log("TODO: creating new world from "+portal.name);
const userName = this.avatar.name?this.avatar.name:this.videoAvatar.name;
const worldName = userName+"'s world";
const token = await VRSpaceAPI.getInstance().createWorldFromTemplate(worldName, portal.name);
window.location.href = window.location.href+"?worldName="+worldName+"&worldToken="+token+"&worldThumbnail="+portal.name;
}
share() {
this.displayButtons = !this.displayButtons;
if ( this.displayButtons ) {
this.hud.showButtons(false, this.shareButton);
this.hud.newRow();
this.screencastButton = this.hud.addButton("Share screen", this.contentBase + "/content/icons/share-screen.png", () => this.shareScreen(), false);
this.whiteboardButton = this.hud.addButton("Whiteboard", this.contentBase + "/content/icons/whiteboard.png", () => this.toggleWhiteboard(), false);
this.imageButton = this.hud.addButton("Share image", this.contentBase + "/content/icons/sky.png", () => this.image(), false);
this.fileButton = this.hud.addButton("Share file", this.contentBase + "/content/icons/file.png", () => this.file(), false);
this.modelButton = this.hud.addButton("Share model", this.contentBase + "/content/icons/cube.png", () => this.model(), false);
if ( this.streamingAvailable() ) {
this.hud.markEnabled(this.screencastButton);
} else {
this.hud.markDisabled(this.screencastButton);
}
if ( this.whiteboard ) {
this.hud.markActive(this.whiteboardButton);
} else {
this.hud.markEnabled(this.whiteboardButton);
}
if ( this.isOnline() ) {
this.hud.markEnabled(this.fileButton);
this.hud.markEnabled(this.imageButton);
this.hud.markEnabled(this.modelButton);
} else {
this.hud.markDisabled(this.fileButton);
this.hud.markDisabled(this.imageButton);
this.hud.markDisabled(this.modelButton);
}
if ( this.isOnline() ) {
WorldManager.instance.world.addListener(this);
}
} else {
if ( this.isOnline() ) {
WorldManager.instance.world.removeListener(this);
}
this.clearRow();
}
}
shareScreen() {
if ( ! this.streamingAvailable() ) {
return;
}
if ( this.screencast ) {
this.hud.markEnabled(this.screencastButton)
this.screencast.dispose();
this.screencast = null;
return;
}
this.hud.markActive(this.screencastButton)
let world = WorldManager.instance.world;
let camera = this.scene.activeCamera;
this.screencast = new Screencast(world);
this.screencast.position = camera.position.add(camera.getForwardRay(1).direction);
// CHECKME: Web3d camera uses quaternion, some others may
if ( !camera.rotationQuaternion ) {
// assuming user is facing the audience, share is also facing the audience
this.screencast.rotation = new BABYLON.Vector3(0,camera.rotation.y+Math.PI,0);
}
this.screencast.size = 1;
this.screencast.callback = state => {
// callback may be executed after screencast was disposed above
if(!state && this.screencast) {
this.hud.markEnabled(this.screencastButton);
this.screencast.dispose();
this.screencast = null;
}
};
this.screencast.init();
this.screencast.startSharing();
}
toggleWhiteboard() {
if ( this.whiteboard ) {
this.hud.markEnabled(this.whiteboardButton)
WorldManager.instance.world.removeListener(this.whiteboard);
this.whiteboard.dispose();
this.whiteboard = null;
return;
}
let camera = this.scene.activeCamera;
this.whiteboard = new Whiteboard(this.scene, "Whiteboard-"+WorldManager.myId());
this.whiteboard.size = 1;
this.whiteboard.position = camera.position.add(camera.getForwardRay(1).direction.scale(2));
this.whiteboard.show();
this.hud.markActive(this.whiteboardButton)
this.whiteboard.closeCallback = () => {
this.hud.markEnabled(this.whiteboardButton)
this.whiteboard = null;
}
if ( this.isOnline() ) {
WorldManager.instance.world.addListener(this.whiteboard);
this.whiteboard.startSharing();
}
World.lastInstance.addSelectionPredicate(this.whiteboard.selectionPredicate);
}
image() {
this.file(".jpg,.jpeg,.png");
}
model() {
this.file(".glb,.zip");
}
file(accept) {
if ( ! this.isOnline() ) {
return;
}
let input = document.createElement("input");
input.setAttribute('type', 'file');
input.setAttribute('style','display:none');
if ( accept ) {
input.setAttribute('accept', accept);
}
document.body.appendChild(input);
input.addEventListener("change", ()=>this.upload(input), false);
input.addEventListener("cancel", ()=>this.upload(input), false);
input.click();
}
upload(input) {
console.log("Files: ", input.files);
// we load only one, but still
for ( let i = 0; i < input.files.length; i++) {
const file = input.files[i];
console.log("Uploading ",file);
let camera = this.scene.activeCamera;
let pos = camera.position.add(camera.getForwardRay(1).direction);
VRSpaceAPI.getInstance().upload(file, pos, camera.rotation);
};
document.body.removeChild(input);
}
/** World LoadListener interface */
loaded(vrObject) {
console.log("Loaded ",vrObject);
// FIXME this is going to resize any loaded object
// supposed to resize only one(s) loaded via file() method here
// CHECKME what happens with world editor then?
if ( vrObject.container ) {
setTimeout(() => {
let rootMesh = vrObject.container.meshes[0];
var scale = 1 / WorldManager.instance.bBoxMax(rootMesh);
//var scale = 1/this.worldManager.bBoxMax(this.worldManager.getRootNode(vrObject));
VRSPACE.sendEvent(vrObject, { scale: { x: scale, y: scale, z: scale } });
}, 100);
}
}
/**
* Save the current view of the world as HTML file.
*/
save() {
Sceneshot.saveHtml();
}
games() {
if ( ! this.isOnline() ) {
return;
}
this.displayButtons = !this.displayButtons;
if ( this.displayButtons ) {
this.hud.showButtons(false, this.gamesButton);
this.hud.newRow();
this.playHideButton = this.hud.addButton("Hide And Seek", this.contentBase + "/content/icons/eye.png", () => this.hideAndSeek(), false);
this.playTagButton = this.hud.addButton("Tag!", this.contentBase + "/content/icons/man-run.png", () => this.playTag(), false);
this.checkAvailableGames();
} else {
this.clearRow();
}
}
checkAvailableGames() {
if ( HideAndSeek.instance ) {
this.hud.markActive(this.playHideButton);
this.hud.markDisabled(this.playTagButton);
} else if ( GameTag.instance ) {
this.hud.markDisabled(this.playHideButton);
this.hud.markActive(this.playTagButton);
} else {
this.hud.markEnabled(this.playHideButton);
this.hud.markEnabled(this.playTagButton);
}
}
hideAndSeek() {
if ( ! GameTag.instance ) {
HideAndSeek.createOrJoinInstance((startStop)=>{
this.checkAvailableGames();
});
}
}
playTag() {
if ( ! HideAndSeek.instance ) {
GameTag.createOrJoinInstance((startStop)=>{
this.checkAvailableGames();
});
}
}
soundMixer() {
if ( SoundMixer.instance ) {
SoundMixer.getInstance(this.scene).dispose();
VRSPACEUI.hud.clearRow();
VRSPACEUI.hud.showButtons(true);
} else {
VRSPACEUI.hud.showButtons(false, this.soundButton);
VRSPACEUI.hud.newRow();
SoundMixer.getInstance(this.scene).show();
}
}
}