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index.js
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index.js
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#!/usr/bin/env node
if (require.main === module && !/^1[12]\./.test(process.versions.node)) {
throw new Error('node 11 or 12 required');
}
// const cwd = process.cwd();
// process.chdir(__dirname); // needed for global bin to find libraries
const events = require('events');
const {EventEmitter} = events;
const path = require('path');
const fs = require('fs');
const url = require('url');
const net = require('net');
const child_process = require('child_process');
const os = require('os');
const util = require('util');
const repl = require('repl');
const core = require('./core.js');
const mkdirp = require('mkdirp');
// const replHistory = require('repl.history');
const minimist = require('minimist');
const {version} = require('../package.json');
const {defaultEyeSeparation, maxNumTrackers} = require('./constants.js');
const symbols = require('./symbols');
const THREE = require('../lib/three-min.js');
const {getHMDType, lookupHMDTypeIndex, FakeMesher, FakePlaneTracker} = require('./VR.js');
const nativeBindings = require(path.join(__dirname, 'native-bindings.js'));
const GlobalContext = require('./GlobalContext');
GlobalContext.args = {};
GlobalContext.version = '';
GlobalContext.commands = [];
const localVector = new THREE.Vector3();
const localVector2 = new THREE.Vector3();
const localQuaternion = new THREE.Quaternion();
const localMatrix = new THREE.Matrix4();
const localMatrix2 = new THREE.Matrix4();
// openvr
const localFloat32PoseArray = new Float32Array(16*(1+2+maxNumTrackers));
const localFloat32HmdPoseArray = new Float32Array(localFloat32PoseArray.buffer, localFloat32PoseArray.byteOffset + 0*Float32Array.BYTES_PER_ELEMENT*16, 16);
const localFloat32GamepadPoseArrays = [
new Float32Array(localFloat32PoseArray.buffer, localFloat32PoseArray.byteOffset + 1*Float32Array.BYTES_PER_ELEMENT*16, 16),
new Float32Array(localFloat32PoseArray.buffer, localFloat32PoseArray.byteOffset + 2*Float32Array.BYTES_PER_ELEMENT*16, 16),
];
const localFloat32TrackerPoseArrays = (() => {
const result = Array(maxNumTrackers);
for (let i = 0; i < maxNumTrackers; i++) {
result[i] = new Float32Array(localFloat32PoseArray.buffer, localFloat32PoseArray.byteOffset + (3+i)*Float32Array.BYTES_PER_ELEMENT*16, 16);
}
return result;
})();
const localFloat32MatrixArray = new Float32Array(16);
const localFovArray = new Float32Array(4);
const localGamepadArray = new Float32Array(11 + 15 + 31*(3+4));
// oculus desktop
const zeroMatrix = new THREE.Matrix4();
const localFloat32Array = zeroMatrix.toArray(new Float32Array(16));
const localFloat32Array2 = zeroMatrix.toArray(new Float32Array(16));
const localFloat32Array3 = zeroMatrix.toArray(new Float32Array(16));
const localFloat32Array4 = zeroMatrix.toArray(new Float32Array(16));
const localPositionArray3 = new Float32Array(3);
const localQuaternionArray4 = new Float32Array(4);
const leftControllerPositionArray3 = new Float32Array(3);
const leftControllerQuaternionArray4 = new Float32Array(4);
const rightControllerPositionArray3 = new Float32Array(3);
const rightControllerQuaternionArray4 = new Float32Array(4);
// oculus mobile
const oculusMobilePoseFloat32Array = new Float32Array(3 + 4 + 1 + 4 + (16*2) + (16*2) + (16+12) + (16+12));
// magic leap
const transformArray = new Float32Array(7 * 2);
const projectionArray = new Float32Array(16 * 2);
const controllersArray = new Float32Array((1 + 3 + 4 + 6) * 2);
const args = (() => {
if (require.main === module) {
const minimistArgs = minimist(process.argv.slice(2), {
boolean: [
'version',
'home',
'log',
'perf',
'performance',
'frame',
'minimalFrame',
'tab',
'quit',
'blit',
'require',
'nogl',
'headless',
'uncapped',
],
string: [
'webgl',
'xr',
'size',
'replace',
'onbeforeload'
],
alias: {
v: 'version',
h: 'home',
l: 'log',
w: 'webgl',
x: 'xr',
p: 'performance',
perf: 'performance',
s: 'size',
f: 'frame',
m: 'minimalFrame',
t: 'tab',
q: 'quit',
b: 'blit',
r: 'replace',
u: 'require',
n: 'nogl',
e: 'headless',
c: 'uncapped',
},
});
return {
version: minimistArgs.version,
url: minimistArgs._[0] || '',
home: minimistArgs.home,
log: minimistArgs.log,
webgl: minimistArgs.webgl || '2',
xr: minimistArgs.xr || 'all',
performance: !!minimistArgs.performance,
size: minimistArgs.size,
frame: minimistArgs.frame,
minimalFrame: minimistArgs.minimalFrame,
tab: minimistArgs.tab,
quit: minimistArgs.quit,
blit: minimistArgs.blit,
replace: Array.isArray(minimistArgs.replace) ? minimistArgs.replace : ((minimistArgs.replace !== undefined) ? [minimistArgs.replace] : []),
require: minimistArgs.require,
nogl: minimistArgs.nogl,
headless: minimistArgs.headless,
uncapped: minimistArgs.uncapped,
onbeforeload: minimistArgs.onbeforeload
};
} else {
return {};
}
})();
core.setArgs(args);
core.setVersion(version);
const dataPath = (() => {
const candidatePathPrefixes = [
os.homedir(),
__dirname,
os.tmpdir(),
];
for (let i = 0; i < candidatePathPrefixes.length; i++) {
const candidatePathPrefix = candidatePathPrefixes[i];
if (candidatePathPrefix) {
const ok = (() => {
try {
fs.accessSync(candidatePathPrefix, fs.constants.W_OK);
return true;
} catch(err) {
return false;
}
})();
if (ok) {
return path.join(candidatePathPrefix, '.exokit');
}
}
}
return null;
})();
const windows = [];
GlobalContext.windows = windows;
// const contexts = [];
const xrState = (() => {
const _makeSab = size => {
const sab = new SharedArrayBuffer(size);
let index = 0;
return (c, n) => {
const result = new c(sab, index, n);
index += result.byteLength;
return result;
};
};
const _makeTypedArray = _makeSab(32*1024);
const result = {};
result.isPresenting = _makeTypedArray(Uint32Array, 1);
result.renderWidth = _makeTypedArray(Float32Array, 1);
result.renderWidth[0] = 1920/2;
result.renderHeight = _makeTypedArray(Float32Array, 1);
result.renderHeight[0] = 1080;
result.metrics = _makeTypedArray(Uint32Array, 2);
result.devicePixelRatio = _makeTypedArray(Float32Array, 1);
result.depthNear = _makeTypedArray(Float32Array, 1);
result.depthNear[0] = 0.1;
result.depthFar = _makeTypedArray(Float32Array, 1);
result.depthFar[0] = 10000.0;
result.position = _makeTypedArray(Float32Array, 3);
result.orientation = _makeTypedArray(Float32Array, 4);
result.orientation[3] = 1;
result.leftViewMatrix = _makeTypedArray(Float32Array, 16);
result.leftViewMatrix.set(Float32Array.from([1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1]));
result.rightViewMatrix = _makeTypedArray(Float32Array, 16);
result.rightViewMatrix.set(result.leftViewMatrix);
result.leftProjectionMatrix = _makeTypedArray(Float32Array, 16);
result.leftProjectionMatrix.set(Float32Array.from([0.5625000000000001, 0, 0, 0, 0, 1.0000000000000002, 0, 0, 0, 0, -1.0002000200020003, -1, 0, 0, -0.20002000200020004, 0]));
result.rightProjectionMatrix = _makeTypedArray(Float32Array, 16);
result.rightProjectionMatrix.set(result.leftProjectionMatrix);
result.leftOffset = _makeTypedArray(Float32Array, 3);
result.leftOffset.set(Float32Array.from([-defaultEyeSeparation/2, 0, 0]));
result.rightOffset = _makeTypedArray(Float32Array, 3);
result.leftOffset.set(Float32Array.from([defaultEyeSeparation/2, 0, 0]));
result.leftFov = _makeTypedArray(Float32Array, 4);
result.leftFov.set(Float32Array.from([45, 45, 45, 45]));
result.rightFov = _makeTypedArray(Float32Array, 4);
result.rightFov.set(result.leftFov);
const _makeGamepad = () => ({
connected: _makeTypedArray(Uint32Array, 1),
position: _makeTypedArray(Float32Array, 3),
orientation: (() => {
const result = _makeTypedArray(Float32Array, 4);
result[3] = 1;
return result;
})(),
direction: (() => { // derived
const result = _makeTypedArray(Float32Array, 4);
result[2] = -1;
return result;
})(),
transformMatrix: (() => { // derived
const result = _makeTypedArray(Float32Array, 16);
result.set(Float32Array.from([1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1]));
return result;
})(),
buttons: (() => {
const result = Array(10);
for (let i = 0; i < result.length; i++) {
result[i] = {
pressed: _makeTypedArray(Uint32Array, 1),
touched: _makeTypedArray(Uint32Array, 1),
value: _makeTypedArray(Float32Array, 1),
};
}
return result;
})(),
axes: _makeTypedArray(Float32Array, 10),
bones: _makeTypedArray(Float32Array, 31*16),
});
result.gamepads = (() => {
const result = Array(2 + maxNumTrackers);
for (let i = 0; i < result.length; i++) {
result[i] = _makeGamepad();
}
return result;
})();
result.hands = (() => {
const result = Array(2);
for (let i = 0; i < result.length; i++) {
const hand = _makeGamepad();
hand.wrist = (() => {
const result = Array(4);
for (let i = 0; i < result.length; i++) {
result[i] = _makeTypedArray(Float32Array, 3);
}
return result;
})();
hand.fingers = (() => {
const result = Array(5);
for (let i = 0; i < result.length; i++) {
result[i] = (() => {
const result = Array(4);
for (let i = 0; i < result.length; i++) {
result[i] = _makeTypedArray(Float32Array, 3);
}
return result;
})();
}
return result;
})();
result[i] = hand;
}
return result;
})();
result.eye = _makeGamepad();
result.id = _makeTypedArray(Uint32Array, 1);
result.hmdType = _makeTypedArray(Uint32Array, 1);
result.tex = _makeTypedArray(Uint32Array, 1);
result.depthTex = _makeTypedArray(Uint32Array, 1);
result.msTex = _makeTypedArray(Uint32Array, 1);
result.msDepthTex = _makeTypedArray(Uint32Array, 1);
result.aaEnabled = _makeTypedArray(Uint32Array, 1);
result.fakeVrDisplayEnabled = _makeTypedArray(Uint32Array, 1);
result.meshing = _makeTypedArray(Uint32Array, 1);
result.planeTracking = _makeTypedArray(Uint32Array, 1);
result.handTracking = _makeTypedArray(Uint32Array, 1);
result.eyeTracking = _makeTypedArray(Uint32Array, 1);
result.blobId = _makeTypedArray(Uint32Array, 1);
return result;
})();
GlobalContext.xrState = xrState;
const topVrPresentState = {
hmdType: null,
windowHandle: null,
fbo: 0,
msFbo: 0,
vrContext: null,
vrSystem: null,
vrCompositor: null,
hasPose: false,
mesher: null,
planeTracker: null,
handTracker: null,
eyeTracker: null,
};
const requests = [];
const handleRequest = req => {
if (!_handleRequestImmediate(req)) {
requests.push(req);
}
};
GlobalContext.handleRequest = handleRequest;
const _handleRequestImmediate = req => {
const {type, keypath} = req;
const _respond = (error, result) => {
const windowId = keypath.pop();
const window = windows.find(window => window.id === windowId);
if (window) {
window.runAsync({
method: 'response',
keypath,
error,
result,
});
} else {
console.warn('cannot find window to respond request to', windowId, windows.map(window => window.id));
}
};
switch (type) {
case 'requestHitTest': {
const {origin, direction, coordinateSystem} = req;
if (topVrPresentState.hmdType === 'fake') {
if (!topVrPresentState.mesher) {
_startFakeMesher();
}
topVrPresentState.mesher.requestHitTest(origin, direction, coordinateSystem)
.then(result => {
_respond(null, result);
})
.catch(err => {
_respond(err);
});
} else if (topVrPresentState.hmdType === 'magicleap') {
topVrPresentState.vrContext.requestHitTest(origin, direction, coordinateSystem)
.then(result => {
_respond(null, result);
})
.catch(err => {
_respond(err);
});
} else {
_respond(null, []);
}
return true;
}
default:
return false;
}
};
const _waitHandleRequests = () => {
for (let i = 0; i < requests.length; i++) {
_waitHandleRequest(requests[i]);
}
requests.length = 0;
};
const _waitHandleRequest = ({type, keypath}) => {
if (type === 'requestPresent' && topVrPresentState.hmdType === null) {
const hmdType = getHMDType();
// console.log('request present', hmdType);
if (!topVrPresentState.windowHandle) {
topVrPresentState.windowHandle = nativeBindings.nativeWindow.createWindowHandle(1, 1, false);
}
nativeBindings.nativeWindow.setCurrentWindowContext(topVrPresentState.windowHandle);
if (hmdType === 'fake') {
const width = xrState.renderWidth[0]*2;
const height = xrState.renderHeight[0];
const [fbo, tex, depthTex, msFbo, msTex, msDepthTex] = nativeBindings.nativeWindow.createVrTopRenderTarget(width, height);
topVrPresentState.fbo = fbo;
topVrPresentState.msFbo = msFbo;
xrState.tex[0] = tex;
xrState.depthTex[0] = depthTex;
xrState.msTex[0] = msTex;
xrState.msDepthTex[0] = msDepthTex;
} else if (hmdType === 'oculus') {
const system = topVrPresentState.oculusSystem || nativeBindings.nativeOculusVR.Oculus_Init();
// const lmContext = topVrPresentState.lmContext || (nativeBindings.nativeLm && new nativeBindings.nativeLm());
topVrPresentState.vrContext = system;
const {width: halfWidth, height} = system.GetRecommendedRenderTargetSize();
const width = halfWidth * 2;
const [fbo, tex, depthTex, msFbo, msTex, msDepthTex] = system.CreateSwapChain(width, height);
topVrPresentState.fbo = fbo;
topVrPresentState.msFbo = msFbo;
xrState.tex[0] = tex;
xrState.depthTex[0] = depthTex;
xrState.msTex[0] = msTex;
xrState.msDepthTex[0] = msDepthTex;
xrState.renderWidth[0] = halfWidth;
xrState.renderHeight[0] = height;
} else if (hmdType === 'openvr') {
const system = nativeBindings.nativeOpenVR.VR_Init(nativeBindings.nativeOpenVR.EVRApplicationType.Scene, path.join(__dirname, '..', 'deps', 'openvr', 'actions.json'));
const compositor = nativeBindings.nativeOpenVR.NewCompositor();
// const lmContext = topVrPresentState.lmContext || (nativeLm && new nativeLm());
topVrPresentState.vrSystem = system;
topVrPresentState.vrCompositor = compositor;
const {width: halfWidth, height} = system.GetRecommendedRenderTargetSize();
const width = halfWidth * 2;
const [fbo, tex, depthTex, msFbo, msTex, msDepthTex] = nativeBindings.nativeWindow.createVrTopRenderTarget(width, height);
topVrPresentState.fbo = fbo;
topVrPresentState.msFbo = msFbo;
xrState.tex[0] = tex;
xrState.depthTex[0] = depthTex;
xrState.msTex[0] = msTex;
xrState.msDepthTex[0] = msDepthTex;
xrState.renderWidth[0] = halfWidth;
xrState.renderHeight[0] = height;
} else if (hmdType === 'oculusMobile') {
const vrContext = nativeBindings.nativeOculusMobileVr.OculusMobile_Init(topVrPresentState.windowHandle);
topVrPresentState.vrContext = vrContext;
const {width: halfWidth, height} = vrContext.GetRecommendedRenderTargetSize();
const width = halfWidth * 2;
const [fbo, tex, depthTex, msFbo, msTex, msDepthTex] = vrContext.CreateSwapChain(width, height);
topVrPresentState.fbo = fbo;
topVrPresentState.msFbo = msFbo;
xrState.tex[0] = tex;
xrState.depthTex[0] = depthTex;
xrState.msTex[0] = msTex;
xrState.msDepthTex[0] = msDepthTex;
xrState.renderWidth[0] = halfWidth;
xrState.renderHeight[0] = height;
} else if (hmdType === 'magicleap') {
topVrPresentState.vrContext = new nativeBindings.nativeMl();
topVrPresentState.vrContext.Present(topVrPresentState.windowHandle);
const {width: halfWidth, height} = topVrPresentState.vrContext.GetSize();
const width = halfWidth * 2;
const [fbo, tex, depthTex, msFbo, msTex, msDepthTex] = nativeBindings.nativeWindow.createVrTopRenderTarget(width, height);
topVrPresentState.fbo = fbo;
topVrPresentState.msFbo = msFbo;
xrState.tex[0] = tex;
xrState.depthTex[0] = depthTex;
xrState.msTex[0] = msTex;
xrState.msDepthTex[0] = msDepthTex;
xrState.renderWidth[0] = halfWidth;
xrState.renderHeight[0] = height;
nativeBindings.nativeMl.SetEventHandler(e => {
console.log('got ml event', e);
// const window = canvas.ownerDocument.defaultView;
switch (e.type) {
case 'newInitArg':
case 'resume':
case 'unloadResources': {
break;
}
case 'stop':
case 'pause': {
if (mlPresentState.mlContext) {
mlPresentState.mlContext.Exit();
}
nativeBindings.nativeMl.DeinitLifecycle();
process.exit();
break;
}
case 'keydown':
case 'keypress':
case 'keyup': {
const request = {
method: 'keyEvent',
event: e,
};
for (let i = 0; i < windows.length; i++) {
windows[i].runAsync(request);
}
break;
}
default: {
break;
}
}
});
} else {
throw new Error('unknown hmd type');
}
topVrPresentState.hmdType = hmdType;
xrState.isPresenting[0] = 1;
xrState.hmdType[0] = lookupHMDTypeIndex(hmdType);
} else if (topVrPresentState.hmdType !== null && type === 'exitPresent') {
if (topVrPresentState.hmdType === 'fake') {
// XXX destroy fbo
} else {
throw new Error(`fail to exit present for hmd type ${topVrPresentState.hmdType}`);
}
topVrPresentState.hmdType = null;
topVrPresentState.fbo = null;
xrState.isPresenting[0] = 0;
xrState.hmdType[0] = 0;
}
const windowId = keypath.pop();
const window = windows.find(window => window.id === windowId);
if (window) {
window.runAsync({
method: 'response',
keypath,
});
} else {
console.warn('cannot find window to respond request to', windowId, windows.map(window => window.id));
}
};
const handleHapticPulse = ({index, value, duration}) => {
if (topVrPresentState.hmdType === 'openvr') {
value = Math.min(Math.max(value, 0), 1);
const deviceIndex = topVrPresentState.vrSystem.GetTrackedDeviceIndexForControllerRole(index + 1);
const startTime = Date.now();
const _recurse = () => {
if ((Date.now() - startTime) < duration) {
topVrPresentState.vrSystem.TriggerHapticPulse(deviceIndex, 0, value * 4000);
setTimeout(_recurse, 50);
}
};
setTimeout(_recurse, 50);
} else {
console.warn(`ignoring haptic pulse: ${index}/${value}/${duration}`);
// TODO: handle the other HMD cases...
}
};
const handlePaymentRequest = () => {
throw new Error('no payment request handler');
};
const _startTopRenderLoop = () => {
const timestamps = {
frames: 0,
last: Date.now(),
idle: 0,
wait: 0,
events: 0,
media: 0,
user: 0,
submit: 0,
total: 0,
};
const TIMESTAMP_FRAMES = 100;
let lastFrameTime = Date.now();
const prevSyncs = [];
if (nativeBindings.nativeWindow.pollEvents) {
setInterval(() => {
nativeBindings.nativeWindow.pollEvents();
}, 1000/60); // XXX make this run at the native frame rate
}
if (nativeBindings.nativeBrowser && nativeBindings.nativeBrowser.Browser && nativeBindings.nativeBrowser.Browser.pollEvents) {
setInterval(() => {
nativeBindings.nativeBrowser.Browser.pollEvents();
}, 1000/60);
}
const _waitGetPoses = () => {
if (topVrPresentState.hmdType === 'oculus') {
return _waitGetPosesOculus();
} else if (topVrPresentState.hmdType === 'openvr') {
return _waitGetPosesOpenvr();
} else if (topVrPresentState.hmdType === 'oculusMobile') {
return _waitGetPosesOculusMobile();
} else if (topVrPresentState.hmdType === 'magicleap') {
return _waitGetPosesMagicLeap();
} else {
return _waitGetPosesFake();
}
};
const _waitGetPosesOculus = async () => {
// wait for frame
await new Promise((accept, reject) => {
topVrPresentState.vrContext.GetPose(
localPositionArray3, // hmd position
localQuaternionArray4, // hmd orientation
localFloat32Array, // left eye view matrix
localFloat32Array2, // left eye projection matrix
localFloat32Array3, // right eye view matrix
localFloat32Array4, // right eye projection matrix
leftControllerPositionArray3, // left controller position.
leftControllerQuaternionArray4, // left controller orientation.
rightControllerPositionArray3, // right controller position.
rightControllerQuaternionArray4, // right controller orientation.
accept
);
});
if (!immediate) {
return;
}
topVrPresentState.hasPose = true;
const _loadHmd = () => {
xrState.position.set(localPositionArray3);
xrState.orientation.set(localQuaternionArray4);
xrState.leftViewMatrix.set(localFloat32Array);
xrState.leftProjectionMatrix.set(localFloat32Array2);
xrState.rightViewMatrix.set(localFloat32Array3);
xrState.rightProjectionMatrix.set(localFloat32Array4);
};
_loadHmd();
// Controllers.
const _loadGamepad = (i, controllerPositionArray3, controllerQuaternionArray4) => {
const xrGamepad = xrState.gamepads[i];
// Pose
xrGamepad.position.set(controllerPositionArray3);
xrGamepad.orientation.set(controllerQuaternionArray4);
// Input
topVrPresentState.vrContext.GetControllersInputState(i, localGamepadArray);
xrGamepad.connected[0] = localGamepadArray[0];
// Pressed
xrGamepad.buttons[0].pressed[0] = localGamepadArray[3]; // thumbstick
xrGamepad.buttons[1].pressed[0] = localGamepadArray[5] >= 0.01; // trigger
xrGamepad.buttons[2].pressed[0] = localGamepadArray[6] >= 0.01; // grip
xrGamepad.buttons[3].pressed[0] = localGamepadArray[1] == 1; // xbutton
xrGamepad.buttons[4].pressed[0] = localGamepadArray[2] == 1; // ybutton
xrGamepad.buttons[5].pressed[0] = localGamepadArray[4] == 1; // menu
// touched
xrGamepad.buttons[0].touched[0] = localGamepadArray[9]; // thumbstick
xrGamepad.buttons[1].touched[0] = localGamepadArray[10]; // trigger
xrGamepad.buttons[3].touched[0] = localGamepadArray[7]; // xbutton
xrGamepad.buttons[4].touched[0] = localGamepadArray[8]; // ybutton
// thumbstick axis
xrGamepad.axes[0] = localGamepadArray[11];
xrGamepad.axes[1] = localGamepadArray[12];
// values
xrGamepad.buttons[1].value[0] = localGamepadArray[5]; // trigger
xrGamepad.buttons[2].value[0] = localGamepadArray[6]; // grip
};
_loadGamepad(0, leftControllerPositionArray3, leftControllerQuaternionArray4);
_loadGamepad(1, rightControllerPositionArray3, rightControllerQuaternionArray4);
};
const _waitGetPosesOpenvr = async () => {
// wait for frame
await new Promise((accept, reject) => {
topVrPresentState.vrCompositor.RequestGetPoses(
topVrPresentState.vrSystem,
localFloat32PoseArray, // hmd, controllers, trackers
accept
);
});
if (!immediate) {
return;
}
topVrPresentState.hasPose = true;
// hmd pose
const hmdMatrix = localMatrix.fromArray(localFloat32HmdPoseArray);
hmdMatrix.decompose(localVector, localQuaternion, localVector2);
localVector.toArray(xrState.position);
localQuaternion.toArray(xrState.orientation);
hmdMatrix.getInverse(hmdMatrix);
// eye pose
const _loadHmd = (i, viewMatrix, projectionMatrix, eyeOffset, fov) => {
topVrPresentState.vrSystem.GetEyeToHeadTransform(i, localFloat32MatrixArray);
localMatrix2
.fromArray(localFloat32MatrixArray)
.decompose(localVector, localQuaternion, localVector2);
localVector.toArray(eyeOffset);
localMatrix2
.getInverse(localMatrix2)
.multiply(hmdMatrix)
.toArray(viewMatrix);
topVrPresentState.vrSystem.GetProjectionMatrix(i, xrState.depthNear[0], xrState.depthFar[0], localFloat32MatrixArray);
projectionMatrix.set(localFloat32MatrixArray);
topVrPresentState.vrSystem.GetProjectionRaw(i, localFovArray);
for (let i = 0; i < localFovArray.length; i++) {
fov[i] = Math.atan(localFovArray[i]) / Math.PI * 180;
}
};
_loadHmd(0, xrState.leftViewMatrix, xrState.leftProjectionMatrix, xrState.leftOffset, xrState.leftFov);
_loadHmd(1, xrState.rightViewMatrix, xrState.rightProjectionMatrix, xrState.rightOffset, xrState.rightFov);
// build stage parameters
// topVrPresentState.vrSystem.GetSeatedZeroPoseToStandingAbsoluteTrackingPose(localFloat32MatrixArray);
// stageParameters.sittingToStandingTransform.set(localFloat32MatrixArray);
// build gamepads data
const _loadGamepad = i => {
const gamepad = xrState.gamepads[i];
if (topVrPresentState.vrSystem.GetControllerState(i, localGamepadArray)) {
gamepad.connected[0] = 1;
localMatrix.fromArray(localFloat32GamepadPoseArrays[i]);
localMatrix.decompose(localVector, localQuaternion, localVector2);
localVector.toArray(gamepad.position);
localQuaternion.toArray(gamepad.orientation);
gamepad.buttons[0].pressed[0] = localGamepadArray[4]; // pad
gamepad.buttons[1].pressed[0] = localGamepadArray[5]; // trigger
gamepad.buttons[2].pressed[0] = localGamepadArray[3]; // grip
gamepad.buttons[3].pressed[0] = localGamepadArray[2]; // menu
gamepad.buttons[4].pressed[0] = localGamepadArray[1]; // system
gamepad.buttons[0].touched[0] = localGamepadArray[9]; // pad
gamepad.buttons[1].touched[0] = localGamepadArray[10]; // trigger
gamepad.buttons[2].touched[0] = localGamepadArray[8]; // grip
gamepad.buttons[3].touched[0] = localGamepadArray[7]; // menu
gamepad.buttons[4].touched[0] = localGamepadArray[6]; // system
gamepad.axes.set(localGamepadArray.slice(11, 21));
gamepad.buttons[1].value[0] = gamepad.axes[2]; // trigger
for (let i = 0; i < 5; i++) {
const button = gamepad.buttons[5 + i];
const value = localGamepadArray[21 + i];
button.value[0] = value;
button.touched[0] = value >= 0.5 ? 1 : 0;
button.pressed[0] = value >= 0.9 ? 1 : 0;
}
gamepad.bones.set(localGamepadArray.slice(26, 26 + 31*(3+4)));
} else {
gamepad.connected[0] = 0;
}
};
_loadGamepad(0);
_loadGamepad(1);
// build tracker data
const _loadTracker = i => {
const tracker = xrState.gamepads[2 + i];
const trackerPoseArray = localFloat32TrackerPoseArrays[i];
if (!isNaN(trackerPoseArray[0])) {
tracker.connected[0] = 1;
localMatrix.fromArray(trackerPoseArray);
localMatrix.decompose(localVector, localQuaternion, localVector2);
localVector.toArray(tracker.position);
localQuaternion.toArray(tracker.orientation);
} else {
tracker.connected[0] = 0;
}
};
for (let i = 0; i < maxNumTrackers; i++) {
_loadTracker(i);
}
/* if (vrPresentState.lmContext) { // XXX remove this binding
vrPresentState.lmContext.WaitGetPoses(handsArray);
} */
};
const _waitGetPosesOculusMobile = async () => {
topVrPresentState.hasPose = await new Promise((accept, reject) => {
const hasPose = topVrPresentState.vrContext.WaitGetPoses(
oculusMobilePoseFloat32Array
);
accept(hasPose);
});
// build hmd data
let index = oculusMobilePoseFloat32Array.byteOffset;
const _loadHmd = () => {
xrState.position.set(new Float32Array(oculusMobilePoseFloat32Array.buffer, index, 3));
index += 3*Float32Array.BYTES_PER_ELEMENT;
xrState.orientation.set(new Float32Array(oculusMobilePoseFloat32Array.buffer, index, 4));
index += 4*Float32Array.BYTES_PER_ELEMENT;
const ipd = new Float32Array(oculusMobilePoseFloat32Array.buffer, index, 1)[0];
xrState.leftOffset[0] = -ipd/2;
xrState.rightOffset[0] = ipd/2;
index += 1*Float32Array.BYTES_PER_ELEMENT;
const fov = new Float32Array(oculusMobilePoseFloat32Array.buffer, index, 4);
xrState.leftFov.set(fov);
xrState.rightFov.set(fov);
index += 4*Float32Array.BYTES_PER_ELEMENT;
xrState.leftViewMatrix.set(new Float32Array(oculusMobilePoseFloat32Array.buffer, index, 16));
index += 16*Float32Array.BYTES_PER_ELEMENT;
xrState.rightViewMatrix.set(new Float32Array(oculusMobilePoseFloat32Array.buffer, index, 16));
index += 16*Float32Array.BYTES_PER_ELEMENT;
xrState.leftProjectionMatrix.set(new Float32Array(oculusMobilePoseFloat32Array.buffer, index, 16));
index += 16*Float32Array.BYTES_PER_ELEMENT;
xrState.rightProjectionMatrix.set(new Float32Array(oculusMobilePoseFloat32Array.buffer, index, 16));
index += 16*Float32Array.BYTES_PER_ELEMENT;
};
_loadHmd();
// build gamepads data
const _loadGamepad = i => {
const xrGamepad = xrState.gamepads[i];
const gamepadFloat32Array = new Float32Array(oculusMobilePoseFloat32Array.buffer, index, 16);
index += 16*Float32Array.BYTES_PER_ELEMENT;
const buttonsFloat32Array = new Float32Array(oculusMobilePoseFloat32Array.buffer, index, 12);
index += 12*Float32Array.BYTES_PER_ELEMENT;
if (!isNaN(gamepadFloat32Array[0])) {
xrGamepad.connected[0] = true;
localMatrix
.fromArray(gamepadFloat32Array)
.decompose(localVector, localQuaternion, localVector2);
localVector.toArray(xrGamepad.position);
localQuaternion.toArray(xrGamepad.orientation);
// pressed
xrGamepad.buttons[0].pressed[0] = buttonsFloat32Array[2]; // thumbstick
xrGamepad.buttons[1].pressed[0] = buttonsFloat32Array[4] >= 0.1; // trigger
xrGamepad.buttons[2].pressed[0] = buttonsFloat32Array[5] >= 0.1; // grip
xrGamepad.buttons[3].pressed[0] = buttonsFloat32Array[0] == 1; // xbutton
xrGamepad.buttons[4].pressed[0] = buttonsFloat32Array[1] == 1; // ybutton
xrGamepad.buttons[5].pressed[0] = buttonsFloat32Array[3] == 1; // menu
// touched
xrGamepad.buttons[0].touched[0] = buttonsFloat32Array[8]; // thumbstick
xrGamepad.buttons[1].touched[0] = buttonsFloat32Array[9]; // trigger
xrGamepad.buttons[3].touched[0] = buttonsFloat32Array[6]; // xbutton
xrGamepad.buttons[4].touched[0] = buttonsFloat32Array[7]; // ybutton
// thumbstick axis
xrGamepad.axes[0] = buttonsFloat32Array[10];
xrGamepad.axes[1] = buttonsFloat32Array[11];
// values
xrGamepad.buttons[1].value[0] = buttonsFloat32Array[4]; // trigger
xrGamepad.buttons[2].value[0] = buttonsFloat32Array[5]; // grip
} else {
xrGamepad.connected[0] = 0;
}
}
_loadGamepad(0);
_loadGamepad(1);
/* vrPresentState.system.GetProjectionRaw(0, localFovArray);
for (let i = 0; i < localFovArray.length; i++) {
xrState.leftFov[i] = Math.atan(localFovArray[i]) / Math.PI * 180;
} */
};
const _waitGetPosesMagicLeap = async () => {
topVrPresentState.hasPose = await new Promise((accept, reject) => {
const hasPose = topVrPresentState.vrContext.WaitGetPoses(
transformArray,
projectionArray,
controllersArray
);
accept(hasPose);
});
if (!immediate) {
return;
}
if (topVrPresentState.hasPose) {
const _loadHmd = () => {
localVector.fromArray(transformArray, 0);
localQuaternion.fromArray(transformArray, 3);
localVector2.set(1, 1, 1);
localMatrix.compose(localVector, localQuaternion, localVector2).getInverse(localMatrix);
localVector.toArray(xrState.position);
localQuaternion.toArray(xrState.orientation);
localMatrix.toArray(xrState.leftViewMatrix);
xrState.leftProjectionMatrix.set(projectionArray.slice(0, 16));
localVector.fromArray(transformArray, 3 + 4);
localQuaternion.fromArray(transformArray, 3 + 4 + 3);
// localVector2.set(1, 1, 1);
localMatrix.compose(localVector, localQuaternion, localVector2).getInverse(localMatrix);
localMatrix.toArray(xrState.rightViewMatrix);
xrState.rightProjectionMatrix.set(projectionArray.slice(16, 32));
};
_loadHmd();
let controllersArrayIndex = 0;
const _loadGamepad = i => {
const xrGamepad = xrState.gamepads[i];
xrGamepad.connected[0] = controllersArray[controllersArrayIndex];
controllersArrayIndex++;
xrGamepad.position.set(controllersArray.slice(controllersArrayIndex, controllersArrayIndex + 3));
controllersArrayIndex += 3;
xrGamepad.orientation.set(controllersArray.slice(controllersArrayIndex, controllersArrayIndex + 4));
controllersArrayIndex += 4;
const triggerValue = controllersArray[controllersArrayIndex];
xrGamepad.buttons[1].value[0] = triggerValue;
const triggerPushed = triggerValue > 0.5 ? 1 : 0;
xrGamepad.buttons[1].touched[0] = triggerPushed;
xrGamepad.buttons[1].pressed[0] = triggerPushed;
xrGamepad.axes[2] = triggerValue;
controllersArrayIndex++;
const bumperValue = controllersArray[controllersArrayIndex];
xrGamepad.buttons[2].value[0] = bumperValue;
const bumperPushed = bumperValue > 0.5 ? 1 : 0;
xrGamepad.buttons[2].touched[0] = bumperPushed;
xrGamepad.buttons[2].pressed[0] = bumperPushed;
controllersArrayIndex++;
const homeValue = controllersArray[controllersArrayIndex];
xrGamepad.buttons[3].value[0] = homeValue;
const homePushed = homeValue > 0.5 ? 1 : 0;
xrGamepad.buttons[3].touched[0] = homePushed;
xrGamepad.buttons[3].pressed[0] = homePushed;
controllersArrayIndex++;
xrGamepad.axes[0] = controllersArray[controllersArrayIndex];
xrGamepad.axes[1] = controllersArray[controllersArrayIndex + 1];
const padValue = controllersArray[controllersArrayIndex + 2];
xrGamepad.buttons[0].value[0] = padValue;
const padTouched = padValue > 0 ? 1 : 0;
const padPushed = padValue > 0.5 ? 1: 0;
xrGamepad.buttons[0].touched[0] = padTouched;
xrGamepad.buttons[0].pressed[0] = padPushed;
controllersArrayIndex += 3;
};
_loadGamepad(0);
_loadGamepad(1);
}
const _loadExtensions = () => {
if (xrState.meshing[0] && !topVrPresentState.mesher) {
topVrPresentState.mesher = topVrPresentState.vrContext.requestMeshing(5, 2);
}
if (xrState.planeTracking[0] && !topVrPresentState.planeTracker) {
topVrPresentState.planeTracker = topVrPresentState.vrContext.requestPlaneTracking(10);
}
if (xrState.handTracking[0] && !topVrPresentState.handTracker) {
topVrPresentState.handTracker = topVrPresentState.vrContext.requestHandTracking();
}
if (xrState.eyeTracking[0] && !topVrPresentState.eyeTracker) {
topVrPresentState.eyeTracker = topVrPresentState.vrContext.requestEyeTracking();
}
};
_loadExtensions();
topVrPresentState.vrContext.update();