/*
*
* css/html template
*
* ┌─────────┐ ┌────────────┐ ┌─────────────┐ exit-AR
* ┌───────►│ com/dom ┼──►│ com/window ├─►│ domrenderer │◄────────── exit-VR ◄─┐
* │ └─────────┘ └────────────┘ └─────▲───────┘ │
* │ │ ┌───────────────┐ │
* ┌──────────┴────────┐ ┌─────┴──────┐ │ xterm.js │ ┌─────────────────────────────┐
* │ com/isoterminal ├────────────────────────────►│com/xterm.js│◄─┤ │ │com/html-as-texture-in-XR.js │
* └────────┬─┬────────┘ └──┬──────┬▲─┘ │ xterm.css │ └─────────────────────────────┘
* │ │ ┌────────┐ ┌─────────▼──┐ ││ └───────────────┘ │ ▲
* │ └───────►│ plane ├─────►text───┼►canvas │◄────────────────── enter-VR │ │
* │ └────────┘ └────────────┘ ││ enter-AR ◄─┘ │
* │ renderer=canvas ││ │
* │ ││ │
* │ ISOTerminal.js ││ │
* │ ┌───────────────────────────┐◄────┘│ │
* │ │ com/isoterminal/worker.js ├──────┘ │
* │ └──────────────┌────────────┤ │
* │ │ v86.js │ │
* │ │ feat/*.js │ │
* │ │ libv86.js │ │
* │ └────────────┘ │
* │ │
* └────────────────────────────────────────────────────────────────────────────────────┘
*
* NOTE: For convenience reasons, events are forwarded between com/isoterminal.js, worker.js and ISOTerminal
* Instead of a melting pot of different functionnames, events are flowing through everything (ISOTerminal.emit())
*/
if( typeof AFRAME != 'undefined '){
AFRAME.registerComponent('isoterminal', {
schema: {
iso: { type:"string", "default":"https://forgejo.isvery.ninja/assets/xrsh-buildroot/main/xrsh.iso" },
overlayfs: { type:"string"},
width: { type: 'number',"default": -1 },
height: { type: 'number',"default": -1 },
lineHeight: { type: 'number',"default": 18 },
padding: { type: 'number',"default": 18 },
minimized: { type: 'boolean',"default":false},
maximized: { type: 'boolean',"default":true},
muteUntilPrompt:{ type: 'boolean',"default":true}, // mute stdout until a prompt is detected in ISO
HUD: { type: 'boolean',"default":false}, // link to camera movement
transparent: { type:'boolean', "default":false }, // need good gpu
memory: { type: 'number', "default":64 }, // VM memory (in MB)
bufferLatency: { type: 'number', "default":30 }, // in ms: bufferlatency from webworker to xterm (batch-update every char to texture)
debug: { type: 'boolean', "default":false }
},
init: function(){
this.el.object3D.visible = false
if( this.data.width == -1 ) this.data.width = document.body.offsetWidth
if( this.data.height == -1 ) this.data.height = document.body.offsetHeight
this.data.width -= this.data.padding*2
this.data.height -= this.data.padding*2
this.initHud()
fetch(this.data.iso,{method: 'HEAD'})
.then( (res) => {
if( res.status != 200 ) throw 'not found'
})
.catch( (e) => {
console.warn(this.data.iso+" could not be loaded, loading fallback ISO URL:")
console.warn(this.schema.iso.default)
this.data.iso = this.schema.iso.default
})
.finally( () => this.initTerminal(true) )
},
requires:{
com: "com/dom.js",
window: "com/window.js",
v86: "com/isoterminal/libv86.js",
vt100: "com/isoterminal/VT100.js",
// allow xrsh to selfcontain scene + itself
xhook: "https://jpillora.com/xhook/dist/xhook.min.js",
selfcontain: "com/selfcontainer.js",
// html to texture
htmlinxr: "com/html-as-texture-in-xr.js",
// isoterminal features
PromiseWorker: "com/isoterminal/PromiseWorker.js",
ISOTerminal: "com/isoterminal/ISOTerminal.js",
localforage: "https://cdn.rawgit.com/mozilla/localForage/master/dist/localforage.js"
},
dom: {
scale: 1.0,
events: ['click','keydown'],
html: (me) => ``,
css: (me) => `.isoterminal{
padding: ${me.com.data.padding}px;
width:100%;
height:100%;
position:relative;
}
.isoterminal div{
display:block;
position:relative;
line-height: ${me.com.data.lineHeight}px;
}
#vt100 {
outline: none !important;
}
@font-face {
font-family: 'Cousine';
font-style: normal;
font-weight: 400;
src: url(./com/isoterminal/assets/Cousine.ttf) format('truetype');
}
@font-face {
font-family: 'Cousine';
font-style: normal;
font-weight: 700;
src: url(./com/isoterminal/assets/CousineBold.ttf) format('truetype');
}
.isoterminal style{ display:none }
blink{
border:none;
padding:none;
}
span blink:last-of-type{
border-right: 8px solid #F07;
padding-right: 3px;
}
#overlay .winbox:has(> .isoterminal){
background:transparent;
box-shadow:none;
}
.wb-body:has(> .isoterminal){
background: #000C;
overflow:hidden;
}
.XR .wb-body:has(> .isoterminal){
background: transparent;
}
.XR .isoterminal{
background: #000;
}
.isoterminal *{
font-size: 14px;
font-family: "Cousine",Liberation Mono,DejaVu Sans Mono,Courier New,monospace;
font-weight:500 !important;
text-shadow: 0px 0px 10px #F075;
}
@keyframes fade {
from { opacity: 1.0; }
50% { opacity: 0.5; }
to { opacity: 1.0; }
}
@-webkit-keyframes fade {
from { opacity: 1.0; }
50% { opacity: 0.5; }
to { opacity: 1.0; }
}
.blink{
animation:fade 1000ms infinite;
-webkit-animation:fade 1000ms infinite;
}
`
},
initTerminal: async function(singleton){
// why not latest xterm or v3.12 with builtin-canvas support?
// first versions used 1.5.4, a typescript rewrite which:
// * acts weird with oculus browser keyboard (does not repaint properly after typing)
// * does not use canvas anymore [which would be ideal for THREE.js texture]
// * does not allow switching between dom/canvas
// * only allows a standalone WebGL addon (conflicts with THREE)
// * heavily dependent on requestAnimationFrame (conflicts with THREE)
// * typescript-rewrite results in ~300k lib (instead of 96k)
// * v3.12 had slightly better performance but still very heavy
await AFRAME.utils.require(this.requires)
await AFRAME.utils.require({ // ISOTerminal plugins
boot: "com/isoterminal/feat/boot.js",
javascript: "com/isoterminal/feat/javascript.js",
jsconsole: "com/isoterminal/feat/jsconsole.js",
indexhtml: "com/isoterminal/feat/index.html.js",
indexjs: "com/isoterminal/feat/index.js.js",
autorestore: "com/isoterminal/feat/autorestore.js",
})
this.el.setAttribute("selfcontainer","")
// *DISABLED* instance this component
// rason: we only need one term for now (more = too cpu heavy)
let instance
if( singleton ){
instance = this.el
}else{
if( this.instance ){
const el = document.querySelector('.isoterminal')
return console.warn('TODO: allow multiple terminals for future beefy devices(see v86 examples)')
}
instance = this.instance = this.el.cloneNode(false)
this.el.sceneEl.appendChild( instance )
}
// init isoterminal
this.term = new ISOTerminal(instance,this.data)
instance.addEventListener('DOMready', () => {
instance.setAttribute("html-as-texture-in-xr", `domid: #${this.el.dom.id}; faceuser: true`)
setTimeout( () => this.setupVT100(instance),100)
//instance.winbox.resize(720,380)
let size = `width: ${this.data.width}; height: ${this.data.height}`
instance.setAttribute("window", `title: xrsh.iso; uid: ${instance.uid}; attach: #overlay; dom: #${instance.dom.id}; ${size}; min: ${this.data.minimized}; max: ${this.data.maximized}`)
})
instance.addEventListener('window.oncreate', (e) => {
instance.dom.classList.add('blink')
// run iso
let opts = {dom:instance.dom}
for( let i in this.data ) opts[i] = this.data[i]
this.term.start(opts)
})
instance.setAttribute("dom", "")
this.term.addEventListener('ready', (e) => {
instance.dom.classList.remove('blink')
this.term.emit('status',"running")
if( this.data.debug ) this.runTests()
})
this.term.addEventListener('status', function(e){
let msg = e.detail
const w = instance.winbox
if(!w) return
w.titleBak = w.titleBak || w.title
w.setTitle( `${w.titleBak} [${msg}]` )
})
instance.addEventListener('window.onclose', (e) => {
if( !confirm('do you want to kill this virtual machine and all its processes?') ) e.halt = true
})
const resize = (w,h) => { }
instance.addEventListener('window.onresize', resize )
instance.addEventListener('window.onmaximize', resize )
const focus = (showdom) => (e) => {
if( this.el.components.window && this.data.renderer == 'canvas'){
this.el.components.window.show( showdom )
}
}
this.el.addEventListener('obbcollisionstarted', focus(false) )
this.el.sceneEl.addEventListener('enter-vr', focus(false) )
this.el.sceneEl.addEventListener('enter-ar', focus(false) )
this.el.sceneEl.addEventListener('exit-vr', focus(true) )
this.el.sceneEl.addEventListener('exit-ar', focus(true) )
instance.object3D.quaternion.copy( AFRAME.scenes[0].camera.quaternion ) // face towards camera
},
initHud: function(){
if( AFRAME.utils.device.isMobile() ) this.data.HUD = true
if( this.data.HUD ){
document.querySelector('[camera]').appendChild( this.el )
this.el.setAttribute("position","0 -0.03 -0.4")
}
},
runTests: async function(){
await AFRAME.utils.require({
"test_util": "tests/util.js",
"test_isoterminal":"tests/ISOTerminal.js"
})
console.test.run()
},
setupVT100: function(instance){
const el = this.el.dom.querySelector('#vt100')
this.vt100 = new VT100(
Math.floor(this.data.width/this.data.lineHeight),
Math.floor(this.data.height*0.8/this.data.lineHeight),
el,
100
)
this.vt100.curs_set( 1, true)
el.focus()
this.vt100.getch( (ch,t) => {
console.log(ch)
this.term.send( ch )
this.vt100.curs_set( 0, true)
})
this.el.addEventListener('serial-output-byte', (e) => {
const byte = e.detail
var chr = String.fromCharCode(byte);
this.vt100.addchr(chr)
})
this.el.addEventListener('serial-output-string', (e) => {
this.vt100.write(e.detail)
})
//this.el.dom.querySelector('input').addEventListener('keyup', (e) => {
// VT100.handle_onkeypress_( {charCode : e.charCode || e.keyCode, keyCode: e.keyCode}, (chars) => {
// debugger
// chars.map( (c) => this.term.send(str) )
// })
//})
},
events:{
// combined AFRAME+DOM reactive events
click: function(e){ }, //
keydown: function(e){ },
// reactive events for this.data updates
myvalue: function(e){ this.el.dom.querySelector('b').innerText = this.data.myvalue },
launcher: async function(){
this.initTerminal()
}
},
manifest: { // HTML5 manifest to identify app to xrsh
"iso": "linux-x64-4.15.iso",
"short_name": "ISOTerm",
"name": "terminal",
"icons": [
{
"src": "https://css.gg/terminal.svg",
"src": "data:image/svg+xml;base64,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",
"type": "image/svg+xml",
"sizes": "512x512"
}
],
"id": "/?source=pwa",
"start_url": "/?source=pwa",
"background_color": "#3367D6",
"display": "standalone",
"scope": "/",
"theme_color": "#3367D6",
"shortcuts": [
{
"name": "What is the latest news?",
"cli":{
"usage": "helloworld [options]",
"example": "helloworld news",
"args":{
"--latest": {type:"string"}
}
},
"short_name": "Today",
"description": "View weather information for today",
"url": "/today?source=pwa",
"icons": [{ "src": "/images/today.png", "sizes": "192x192" }]
}
],
"description": "Hello world information",
"screenshots": [
{
"src": "/images/screenshot1.png",
"type": "image/png",
"sizes": "540x720",
"form_factor": "narrow"
}
],
"help":`
Helloworld application
This is a help file which describes the application.
It will be rendered thru troika text, and will contain
headers based on non-punctualized lines separated by linebreaks,
in above's case "\nHelloworld application\n" will qualify as header.
`
}
});
}