@loaders.gl/las
Version:
Framework-independent loader for the LAS and LAZ formats
1,035 lines (1,024 loc) • 626 kB
JavaScript
"use strict";
(() => {
var __getOwnPropNames = Object.getOwnPropertyNames;
var __commonJS = (cb, mod) => function __require() {
return mod || (0, cb[__getOwnPropNames(cb)[0]])((mod = { exports: {} }).exports, mod), mod.exports;
};
// (disabled):../../node_modules/path/path.js
var require_path = __commonJS({
"(disabled):../../node_modules/path/path.js"() {
}
});
// (disabled):fs
var require_fs = __commonJS({
"(disabled):fs"() {
}
});
// ../worker-utils/src/lib/node/worker_threads-browser.ts
var parentPort = null;
// ../worker-utils/src/lib/worker-utils/get-transfer-list.ts
function getTransferList(object, recursive = true, transfers) {
const transfersSet = transfers || /* @__PURE__ */ new Set();
if (!object) {
} else if (isTransferable(object)) {
transfersSet.add(object);
} else if (isTransferable(object.buffer)) {
transfersSet.add(object.buffer);
} else if (ArrayBuffer.isView(object)) {
} else if (recursive && typeof object === "object") {
for (const key in object) {
getTransferList(object[key], recursive, transfersSet);
}
}
return transfers === void 0 ? Array.from(transfersSet) : [];
}
function isTransferable(object) {
if (!object) {
return false;
}
if (object instanceof ArrayBuffer) {
return true;
}
if (typeof MessagePort !== "undefined" && object instanceof MessagePort) {
return true;
}
if (typeof ImageBitmap !== "undefined" && object instanceof ImageBitmap) {
return true;
}
if (typeof OffscreenCanvas !== "undefined" && object instanceof OffscreenCanvas) {
return true;
}
return false;
}
// ../worker-utils/src/lib/worker-farm/worker-body.ts
async function getParentPort() {
return parentPort;
}
var onMessageWrapperMap = /* @__PURE__ */ new Map();
var WorkerBody = class {
/** Check that we are actually in a worker thread */
static async inWorkerThread() {
return typeof self !== "undefined" || Boolean(await getParentPort());
}
/*
* (type: WorkerMessageType, payload: WorkerMessagePayload) => any
*/
static set onmessage(onMessage) {
async function handleMessage(message) {
const parentPort2 = await getParentPort();
const { type, payload } = parentPort2 ? message : message.data;
onMessage(type, payload);
}
getParentPort().then((parentPort2) => {
if (parentPort2) {
parentPort2.on("message", (message) => {
handleMessage(message);
});
parentPort2.on("exit", () => console.debug("Node worker closing"));
} else {
globalThis.onmessage = handleMessage;
}
});
}
static async addEventListener(onMessage) {
let onMessageWrapper = onMessageWrapperMap.get(onMessage);
if (!onMessageWrapper) {
onMessageWrapper = async (message) => {
if (!isKnownMessage(message)) {
return;
}
const parentPort3 = await getParentPort();
const { type, payload } = parentPort3 ? message : message.data;
onMessage(type, payload);
};
}
const parentPort2 = await getParentPort();
if (parentPort2) {
console.error("not implemented");
} else {
globalThis.addEventListener("message", onMessageWrapper);
}
}
static async removeEventListener(onMessage) {
const onMessageWrapper = onMessageWrapperMap.get(onMessage);
onMessageWrapperMap.delete(onMessage);
const parentPort2 = await getParentPort();
if (parentPort2) {
console.error("not implemented");
} else {
globalThis.removeEventListener("message", onMessageWrapper);
}
}
/**
* Send a message from a worker to creating thread (main thread)
* @param type
* @param payload
*/
static async postMessage(type, payload) {
const data = { source: "loaders.gl", type, payload };
const transferList = getTransferList(payload);
const parentPort2 = await getParentPort();
if (parentPort2) {
parentPort2.postMessage(data, transferList);
} else {
globalThis.postMessage(data, transferList);
}
}
};
function isKnownMessage(message) {
const { type, data } = message;
return type === "message" && data && typeof data.source === "string" && data.source.startsWith("loaders.gl");
}
// ../loader-utils/src/lib/worker-loader-utils/create-loader-worker.ts
var requestId = 0;
async function createLoaderWorker(loader) {
if (!await WorkerBody.inWorkerThread()) {
return;
}
WorkerBody.onmessage = async (type, payload) => {
switch (type) {
case "process":
try {
const { input, options = {}, context = {} } = payload;
const result = await parseData({
loader,
arrayBuffer: input,
options,
// @ts-expect-error fetch missing
context: {
...context,
_parse: parseOnMainThread
}
});
WorkerBody.postMessage("done", { result });
} catch (error) {
const message = error instanceof Error ? error.message : "";
WorkerBody.postMessage("error", { error: message });
}
break;
default:
}
};
}
function parseOnMainThread(arrayBuffer, loader, options, context) {
return new Promise((resolve, reject) => {
const id = requestId++;
const onMessage = (type, payload2) => {
if (payload2.id !== id) {
return;
}
switch (type) {
case "done":
WorkerBody.removeEventListener(onMessage);
resolve(payload2.result);
break;
case "error":
WorkerBody.removeEventListener(onMessage);
reject(payload2.error);
break;
default:
}
};
WorkerBody.addEventListener(onMessage);
const payload = { id, input: arrayBuffer, options };
WorkerBody.postMessage("process", payload);
});
}
async function parseData({
loader,
arrayBuffer,
options,
context
}) {
let data;
let parser;
if (loader.parseSync || loader.parse) {
data = arrayBuffer;
parser = loader.parseSync || loader.parse;
} else if (loader.parseTextSync) {
const textDecoder = new TextDecoder();
data = textDecoder.decode(arrayBuffer);
parser = loader.parseTextSync;
} else {
throw new Error(`Could not load data with ${loader.name} loader`);
}
options = {
...options,
modules: loader && loader.options && loader.options.modules || {},
worker: false
};
return await parser(data, { ...options }, context, loader);
}
// src/las-loader.ts
var VERSION = true ? "4.3.2" : "latest";
var LASLoader = {
dataType: null,
batchType: null,
name: "LAS",
id: "las",
module: "las",
version: VERSION,
worker: true,
extensions: ["las", "laz"],
// LAZ is the "compressed" flavor of LAS,
mimeTypes: ["application/octet-stream"],
// TODO - text version?
text: true,
binary: true,
tests: ["LAS"],
options: {
las: {
shape: "mesh",
fp64: false,
skip: 1,
colorDepth: 8
}
}
};
// ../schema/src/lib/table/simple-table/data-type.ts
function getDataTypeFromTypedArray(array) {
switch (array.constructor) {
case Int8Array:
return "int8";
case Uint8Array:
case Uint8ClampedArray:
return "uint8";
case Int16Array:
return "int16";
case Uint16Array:
return "uint16";
case Int32Array:
return "int32";
case Uint32Array:
return "uint32";
case Float32Array:
return "float32";
case Float64Array:
return "float64";
default:
return "null";
}
}
// ../schema/src/lib/mesh/mesh-utils.ts
function getMeshBoundingBox(attributes) {
let minX = Infinity;
let minY = Infinity;
let minZ = Infinity;
let maxX = -Infinity;
let maxY = -Infinity;
let maxZ = -Infinity;
const positions = attributes.POSITION ? attributes.POSITION.value : [];
const len = positions && positions.length;
for (let i = 0; i < len; i += 3) {
const x = positions[i];
const y = positions[i + 1];
const z = positions[i + 2];
minX = x < minX ? x : minX;
minY = y < minY ? y : minY;
minZ = z < minZ ? z : minZ;
maxX = x > maxX ? x : maxX;
maxY = y > maxY ? y : maxY;
maxZ = z > maxZ ? z : maxZ;
}
return [
[minX, minY, minZ],
[maxX, maxY, maxZ]
];
}
// ../schema/src/lib/mesh/deduce-mesh-schema.ts
function deduceMeshSchema(attributes, metadata = {}) {
const fields = deduceMeshFields(attributes);
return { fields, metadata };
}
function deduceMeshField(name, attribute, optionalMetadata) {
const type = getDataTypeFromTypedArray(attribute.value);
const metadata = optionalMetadata ? optionalMetadata : makeMeshAttributeMetadata(attribute);
return {
name,
type: { type: "fixed-size-list", listSize: attribute.size, children: [{ name: "value", type }] },
nullable: false,
metadata
};
}
function deduceMeshFields(attributes) {
const fields = [];
for (const attributeName in attributes) {
const attribute = attributes[attributeName];
fields.push(deduceMeshField(attributeName, attribute));
}
return fields;
}
function makeMeshAttributeMetadata(attribute) {
const result = {};
if ("byteOffset" in attribute) {
result.byteOffset = attribute.byteOffset.toString(10);
}
if ("byteStride" in attribute) {
result.byteStride = attribute.byteStride.toString(10);
}
if ("normalized" in attribute) {
result.normalized = attribute.normalized.toString();
}
return result;
}
// src/lib/libs/laz-perf.ts
function getModule() {
var Module2 = typeof Module2 !== "undefined" ? Module2 : {};
var moduleOverrides = {};
var key;
for (key in Module2) {
if (Module2.hasOwnProperty(key)) {
moduleOverrides[key] = Module2[key];
}
}
var arguments_ = [];
var thisProgram = "./this.program";
var quit_ = function(status, toThrow) {
throw toThrow;
};
var ENVIRONMENT_IS_WEB = false;
var ENVIRONMENT_IS_WORKER = false;
var ENVIRONMENT_IS_NODE = false;
var ENVIRONMENT_IS_SHELL = false;
ENVIRONMENT_IS_WEB = typeof window === "object";
ENVIRONMENT_IS_WORKER = typeof importScripts === "function";
ENVIRONMENT_IS_NODE = typeof process === "object" && typeof process.versions === "object" && typeof process.versions.node === "string";
ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;
var scriptDirectory = "";
function locateFile(path) {
if (Module2["locateFile"]) {
return Module2["locateFile"](path, scriptDirectory);
}
return scriptDirectory + path;
}
var read_, readAsync, readBinary, setWindowTitle;
var nodeFS;
var nodePath;
if (ENVIRONMENT_IS_NODE) {
if (ENVIRONMENT_IS_WORKER) {
scriptDirectory = require_path().dirname(scriptDirectory) + "/";
} else {
const dirname = typeof __dirname !== "undefined" ? __dirname : "";
scriptDirectory = dirname + "/";
}
read_ = function shell_read(filename, binary) {
var ret = tryParseAsDataURI(filename);
if (ret) {
return binary ? ret : ret.toString();
}
if (!nodeFS)
nodeFS = require_fs();
if (!nodePath)
nodePath = require_path();
filename = nodePath["normalize"](filename);
return nodeFS["readFileSync"](filename, binary ? null : "utf8");
};
readBinary = function readBinary2(filename) {
var ret = read_(filename, true);
if (!ret.buffer) {
ret = new Uint8Array(ret);
}
assert(ret.buffer);
return ret;
};
if (process["argv"].length > 1) {
thisProgram = process["argv"][1].replace(/\\/g, "/");
}
arguments_ = process["argv"].slice(2);
if (typeof module !== "undefined") {
module["exports"] = Module2;
}
process["on"]("uncaughtException", function(ex) {
if (!(ex instanceof ExitStatus)) {
throw ex;
}
});
process["on"]("unhandledRejection", abort);
quit_ = function(status) {
process["exit"](status);
};
Module2["inspect"] = function() {
return "[Emscripten Module object]";
};
} else if (ENVIRONMENT_IS_SHELL) {
if (typeof read != "undefined") {
read_ = function shell_read(f) {
var data2 = tryParseAsDataURI(f);
if (data2) {
return intArrayToString(data2);
}
return read(f);
};
}
readBinary = function readBinary2(f) {
var data2;
data2 = tryParseAsDataURI(f);
if (data2) {
return data2;
}
if (typeof readbuffer === "function") {
return new Uint8Array(readbuffer(f));
}
data2 = read(f, "binary");
assert(typeof data2 === "object");
return data2;
};
if (typeof scriptArgs != "undefined") {
arguments_ = scriptArgs;
} else if (typeof arguments != "undefined") {
arguments_ = arguments;
}
if (typeof quit === "function") {
quit_ = function(status) {
quit(status);
};
}
if (typeof print !== "undefined") {
if (typeof console === "undefined")
console = {};
console.log = print;
console.warn = console.error = typeof printErr !== "undefined" ? printErr : print;
}
} else if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
if (ENVIRONMENT_IS_WORKER) {
scriptDirectory = self.location.href;
} else if (document.currentScript) {
scriptDirectory = document.currentScript.src;
}
if (scriptDirectory.indexOf("blob:") !== 0) {
scriptDirectory = scriptDirectory.substr(0, scriptDirectory.lastIndexOf("/") + 1);
} else {
scriptDirectory = "";
}
{
read_ = function shell_read(url) {
try {
var xhr = new XMLHttpRequest();
xhr.open("GET", url, false);
xhr.send(null);
return xhr.responseText;
} catch (err2) {
var data2 = tryParseAsDataURI(url);
if (data2) {
return intArrayToString(data2);
}
throw err2;
}
};
if (ENVIRONMENT_IS_WORKER) {
readBinary = function readBinary2(url) {
try {
var xhr = new XMLHttpRequest();
xhr.open("GET", url, false);
xhr.responseType = "arraybuffer";
xhr.send(null);
return new Uint8Array(xhr.response);
} catch (err2) {
var data2 = tryParseAsDataURI(url);
if (data2) {
return data2;
}
throw err2;
}
};
}
readAsync = function readAsync2(url, onload, onerror) {
var xhr = new XMLHttpRequest();
xhr.open("GET", url, true);
xhr.responseType = "arraybuffer";
xhr.onload = function xhr_onload() {
if (xhr.status == 200 || xhr.status == 0 && xhr.response) {
onload(xhr.response);
return;
}
var data2 = tryParseAsDataURI(url);
if (data2) {
onload(data2.buffer);
return;
}
onerror();
};
xhr.onerror = onerror;
xhr.send(null);
};
}
setWindowTitle = function(title) {
document.title = title;
};
} else {
}
var out = Module2["print"] || console.log.bind(console);
var err = Module2["printErr"] || console.warn.bind(console);
for (key in moduleOverrides) {
if (moduleOverrides.hasOwnProperty(key)) {
Module2[key] = moduleOverrides[key];
}
}
moduleOverrides = null;
if (Module2["arguments"])
arguments_ = Module2["arguments"];
if (Module2["thisProgram"])
thisProgram = Module2["thisProgram"];
if (Module2["quit"])
quit_ = Module2["quit"];
var STACK_ALIGN = 16;
function dynamicAlloc(size) {
var ret = HEAP32[DYNAMICTOP_PTR >> 2];
var end = ret + size + 15 & -16;
HEAP32[DYNAMICTOP_PTR >> 2] = end;
return ret;
}
function getNativeTypeSize(type) {
switch (type) {
case "i1":
case "i8":
return 1;
case "i16":
return 2;
case "i32":
return 4;
case "i64":
return 8;
case "float":
return 4;
case "double":
return 8;
default: {
if (type[type.length - 1] === "*") {
return 4;
} else if (type[0] === "i") {
var bits = Number(type.substr(1));
assert(bits % 8 === 0, "getNativeTypeSize invalid bits " + bits + ", type " + type);
return bits / 8;
} else {
return 0;
}
}
}
}
function warnOnce(text) {
if (!warnOnce.shown)
warnOnce.shown = {};
if (!warnOnce.shown[text]) {
warnOnce.shown[text] = 1;
err(text);
}
}
var jsCallStartIndex = 1;
var functionPointers = new Array(0);
var funcWrappers = {};
function dynCall(sig, ptr, args) {
if (args && args.length) {
return Module2["dynCall_" + sig].apply(null, [ptr].concat(args));
} else {
return Module2["dynCall_" + sig].call(null, ptr);
}
}
var tempRet0 = 0;
var setTempRet0 = function(value) {
tempRet0 = value;
};
var getTempRet0 = function() {
return tempRet0;
};
var GLOBAL_BASE = 8;
var wasmBinary;
if (Module2["wasmBinary"])
wasmBinary = Module2["wasmBinary"];
var noExitRuntime;
if (Module2["noExitRuntime"])
noExitRuntime = Module2["noExitRuntime"];
function setValue(ptr, value, type, noSafe) {
type = type || "i8";
if (type.charAt(type.length - 1) === "*")
type = "i32";
switch (type) {
case "i1":
HEAP8[ptr >> 0] = value;
break;
case "i8":
HEAP8[ptr >> 0] = value;
break;
case "i16":
HEAP16[ptr >> 1] = value;
break;
case "i32":
HEAP32[ptr >> 2] = value;
break;
case "i64":
tempI64 = [
value >>> 0,
(tempDouble = value, +Math_abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math_min(+Math_floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math_ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)
], HEAP32[ptr >> 2] = tempI64[0], HEAP32[ptr + 4 >> 2] = tempI64[1];
break;
case "float":
HEAPF32[ptr >> 2] = value;
break;
case "double":
HEAPF64[ptr >> 3] = value;
break;
default:
abort("invalid type for setValue: " + type);
}
}
var ABORT = false;
var EXITSTATUS = 0;
function assert(condition, text) {
if (!condition) {
abort("Assertion failed: " + text);
}
}
function getCFunc(ident) {
var func = Module2["_" + ident];
assert(func, "Cannot call unknown function " + ident + ", make sure it is exported");
return func;
}
function ccall(ident, returnType, argTypes, args, opts) {
var toC = {
string: function(str) {
var ret2 = 0;
if (str !== null && str !== void 0 && str !== 0) {
var len = (str.length << 2) + 1;
ret2 = stackAlloc(len);
stringToUTF8(str, ret2, len);
}
return ret2;
},
array: function(arr) {
var ret2 = stackAlloc(arr.length);
writeArrayToMemory(arr, ret2);
return ret2;
}
};
function convertReturnValue(ret2) {
if (returnType === "string")
return UTF8ToString(ret2);
if (returnType === "boolean")
return Boolean(ret2);
return ret2;
}
var func = getCFunc(ident);
var cArgs = [];
var stack = 0;
if (args) {
for (var i = 0; i < args.length; i++) {
var converter = toC[argTypes[i]];
if (converter) {
if (stack === 0)
stack = stackSave();
cArgs[i] = converter(args[i]);
} else {
cArgs[i] = args[i];
}
}
}
var ret = func.apply(null, cArgs);
ret = convertReturnValue(ret);
if (stack !== 0)
stackRestore(stack);
return ret;
}
var ALLOC_NONE = 3;
var UTF8Decoder = typeof TextDecoder !== "undefined" ? new TextDecoder("utf8") : void 0;
function UTF8ArrayToString(heap, idx, maxBytesToRead) {
var endIdx = idx + maxBytesToRead;
var endPtr = idx;
while (heap[endPtr] && !(endPtr >= endIdx))
++endPtr;
if (endPtr - idx > 16 && heap.subarray && UTF8Decoder) {
return UTF8Decoder.decode(heap.subarray(idx, endPtr));
} else {
var str = "";
while (idx < endPtr) {
var u0 = heap[idx++];
if (!(u0 & 128)) {
str += String.fromCharCode(u0);
continue;
}
var u1 = heap[idx++] & 63;
if ((u0 & 224) == 192) {
str += String.fromCharCode((u0 & 31) << 6 | u1);
continue;
}
var u2 = heap[idx++] & 63;
if ((u0 & 240) == 224) {
u0 = (u0 & 15) << 12 | u1 << 6 | u2;
} else {
u0 = (u0 & 7) << 18 | u1 << 12 | u2 << 6 | heap[idx++] & 63;
}
if (u0 < 65536) {
str += String.fromCharCode(u0);
} else {
var ch = u0 - 65536;
str += String.fromCharCode(55296 | ch >> 10, 56320 | ch & 1023);
}
}
}
return str;
}
function UTF8ToString(ptr, maxBytesToRead) {
return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : "";
}
function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) {
if (!(maxBytesToWrite > 0))
return 0;
var startIdx = outIdx;
var endIdx = outIdx + maxBytesToWrite - 1;
for (var i = 0; i < str.length; ++i) {
var u = str.charCodeAt(i);
if (u >= 55296 && u <= 57343) {
var u1 = str.charCodeAt(++i);
u = 65536 + ((u & 1023) << 10) | u1 & 1023;
}
if (u <= 127) {
if (outIdx >= endIdx)
break;
heap[outIdx++] = u;
} else if (u <= 2047) {
if (outIdx + 1 >= endIdx)
break;
heap[outIdx++] = 192 | u >> 6;
heap[outIdx++] = 128 | u & 63;
} else if (u <= 65535) {
if (outIdx + 2 >= endIdx)
break;
heap[outIdx++] = 224 | u >> 12;
heap[outIdx++] = 128 | u >> 6 & 63;
heap[outIdx++] = 128 | u & 63;
} else {
if (outIdx + 3 >= endIdx)
break;
heap[outIdx++] = 240 | u >> 18;
heap[outIdx++] = 128 | u >> 12 & 63;
heap[outIdx++] = 128 | u >> 6 & 63;
heap[outIdx++] = 128 | u & 63;
}
}
heap[outIdx] = 0;
return outIdx - startIdx;
}
function stringToUTF8(str, outPtr, maxBytesToWrite) {
return stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
}
function lengthBytesUTF8(str) {
var len = 0;
for (var i = 0; i < str.length; ++i) {
var u = str.charCodeAt(i);
if (u >= 55296 && u <= 57343)
u = 65536 + ((u & 1023) << 10) | str.charCodeAt(++i) & 1023;
if (u <= 127)
++len;
else if (u <= 2047)
len += 2;
else if (u <= 65535)
len += 3;
else
len += 4;
}
return len;
}
var UTF16Decoder = typeof TextDecoder !== "undefined" ? new TextDecoder("utf-16le") : void 0;
function UTF16ToString(ptr, maxBytesToRead) {
var endPtr = ptr;
var idx = endPtr >> 1;
var maxIdx = idx + maxBytesToRead / 2;
while (!(idx >= maxIdx) && HEAPU16[idx])
++idx;
endPtr = idx << 1;
if (endPtr - ptr > 32 && UTF16Decoder) {
return UTF16Decoder.decode(HEAPU8.subarray(ptr, endPtr));
} else {
var i = 0;
var str = "";
while (1) {
var codeUnit = HEAP16[ptr + i * 2 >> 1];
if (codeUnit == 0 || i == maxBytesToRead / 2)
return str;
++i;
str += String.fromCharCode(codeUnit);
}
}
}
function stringToUTF16(str, outPtr, maxBytesToWrite) {
if (maxBytesToWrite === void 0) {
maxBytesToWrite = 2147483647;
}
if (maxBytesToWrite < 2)
return 0;
maxBytesToWrite -= 2;
var startPtr = outPtr;
var numCharsToWrite = maxBytesToWrite < str.length * 2 ? maxBytesToWrite / 2 : str.length;
for (var i = 0; i < numCharsToWrite; ++i) {
var codeUnit = str.charCodeAt(i);
HEAP16[outPtr >> 1] = codeUnit;
outPtr += 2;
}
HEAP16[outPtr >> 1] = 0;
return outPtr - startPtr;
}
function lengthBytesUTF16(str) {
return str.length * 2;
}
function UTF32ToString(ptr, maxBytesToRead) {
var i = 0;
var str = "";
while (!(i >= maxBytesToRead / 4)) {
var utf32 = HEAP32[ptr + i * 4 >> 2];
if (utf32 == 0)
break;
++i;
if (utf32 >= 65536) {
var ch = utf32 - 65536;
str += String.fromCharCode(55296 | ch >> 10, 56320 | ch & 1023);
} else {
str += String.fromCharCode(utf32);
}
}
return str;
}
function stringToUTF32(str, outPtr, maxBytesToWrite) {
if (maxBytesToWrite === void 0) {
maxBytesToWrite = 2147483647;
}
if (maxBytesToWrite < 4)
return 0;
var startPtr = outPtr;
var endPtr = startPtr + maxBytesToWrite - 4;
for (var i = 0; i < str.length; ++i) {
var codeUnit = str.charCodeAt(i);
if (codeUnit >= 55296 && codeUnit <= 57343) {
var trailSurrogate = str.charCodeAt(++i);
codeUnit = 65536 + ((codeUnit & 1023) << 10) | trailSurrogate & 1023;
}
HEAP32[outPtr >> 2] = codeUnit;
outPtr += 4;
if (outPtr + 4 > endPtr)
break;
}
HEAP32[outPtr >> 2] = 0;
return outPtr - startPtr;
}
function lengthBytesUTF32(str) {
var len = 0;
for (var i = 0; i < str.length; ++i) {
var codeUnit = str.charCodeAt(i);
if (codeUnit >= 55296 && codeUnit <= 57343)
++i;
len += 4;
}
return len;
}
function writeArrayToMemory(array, buffer2) {
HEAP8.set(array, buffer2);
}
function writeAsciiToMemory(str, buffer2, dontAddNull) {
for (var i = 0; i < str.length; ++i) {
HEAP8[buffer2++ >> 0] = str.charCodeAt(i);
}
if (!dontAddNull)
HEAP8[buffer2 >> 0] = 0;
}
var buffer, HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAPF64;
function updateGlobalBufferAndViews(buf) {
buffer = buf;
Module2["HEAP8"] = HEAP8 = new Int8Array(buf);
Module2["HEAP16"] = HEAP16 = new Int16Array(buf);
Module2["HEAP32"] = HEAP32 = new Int32Array(buf);
Module2["HEAPU8"] = HEAPU8 = new Uint8Array(buf);
Module2["HEAPU16"] = HEAPU16 = new Uint16Array(buf);
Module2["HEAPU32"] = HEAPU32 = new Uint32Array(buf);
Module2["HEAPF32"] = HEAPF32 = new Float32Array(buf);
Module2["HEAPF64"] = HEAPF64 = new Float64Array(buf);
}
var STACK_BASE = 22384, DYNAMIC_BASE = 5265264, DYNAMICTOP_PTR = 22176;
var INITIAL_INITIAL_MEMORY = Module2["INITIAL_MEMORY"] || 167772160;
if (Module2["buffer"]) {
buffer = Module2["buffer"];
} else {
buffer = new ArrayBuffer(INITIAL_INITIAL_MEMORY);
}
INITIAL_INITIAL_MEMORY = buffer.byteLength;
updateGlobalBufferAndViews(buffer);
HEAP32[DYNAMICTOP_PTR >> 2] = DYNAMIC_BASE;
function callRuntimeCallbacks(callbacks) {
while (callbacks.length > 0) {
var callback = callbacks.shift();
if (typeof callback == "function") {
callback(Module2);
continue;
}
var func = callback.func;
if (typeof func === "number") {
if (callback.arg === void 0) {
Module2["dynCall_v"](func);
} else {
Module2["dynCall_vi"](func, callback.arg);
}
} else {
func(callback.arg === void 0 ? null : callback.arg);
}
}
}
var __ATPRERUN__ = [];
var __ATINIT__ = [];
var __ATMAIN__ = [];
var __ATPOSTRUN__ = [];
var runtimeInitialized = false;
var runtimeExited = false;
function preRun() {
if (Module2["preRun"]) {
if (typeof Module2["preRun"] == "function")
Module2["preRun"] = [Module2["preRun"]];
while (Module2["preRun"].length) {
addOnPreRun(Module2["preRun"].shift());
}
}
callRuntimeCallbacks(__ATPRERUN__);
}
function initRuntime() {
runtimeInitialized = true;
callRuntimeCallbacks(__ATINIT__);
}
function preMain() {
callRuntimeCallbacks(__ATMAIN__);
}
function exitRuntime() {
runtimeExited = true;
}
function postRun() {
if (Module2["postRun"]) {
if (typeof Module2["postRun"] == "function")
Module2["postRun"] = [Module2["postRun"]];
while (Module2["postRun"].length) {
addOnPostRun(Module2["postRun"].shift());
}
}
callRuntimeCallbacks(__ATPOSTRUN__);
}
function addOnPreRun(cb) {
__ATPRERUN__.unshift(cb);
}
function addOnPostRun(cb) {
__ATPOSTRUN__.unshift(cb);
}
var Math_abs = Math.abs;
var Math_ceil = Math.ceil;
var Math_floor = Math.floor;
var Math_min = Math.min;
var runDependencies = 0;
var runDependencyWatcher = null;
var dependenciesFulfilled = null;
function addRunDependency(id) {
runDependencies++;
if (Module2["monitorRunDependencies"]) {
Module2["monitorRunDependencies"](runDependencies);
}
}
function removeRunDependency(id) {
runDependencies--;
if (Module2["monitorRunDependencies"]) {
Module2["monitorRunDependencies"](runDependencies);
}
if (runDependencies == 0) {
if (runDependencyWatcher !== null) {
clearInterval(runDependencyWatcher);
runDependencyWatcher = null;
}
if (dependenciesFulfilled) {
var callback = dependenciesFulfilled;
dependenciesFulfilled = null;
callback();
}
}
}
Module2["preloadedImages"] = {};
Module2["preloadedAudios"] = {};
function abort(what) {
if (Module2["onAbort"]) {
Module2["onAbort"](what);
}
what += "";
out(what);
err(what);
ABORT = true;
EXITSTATUS = 1;
what = "abort(" + what + "). Build with -s ASSERTIONS=1 for more info.";
throw what;
}
var memoryInitializer = null;
function hasPrefix(str, prefix) {
return String.prototype.startsWith ? str.startsWith(prefix) : str.indexOf(prefix) === 0;
}
var dataURIPrefix = "data:application/octet-stream;base64,";
function isDataURI(filename) {
return hasPrefix(filename, dataURIPrefix);
}
var fileURIPrefix = "file://";
var tempDouble;
var tempI64;
__ATINIT__.push({
func: function() {
globalCtors();
}
});
memoryInitializer = 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VsZXRlSVNJX0VFTlNfOWFsbG9jYXRvcklTSV9FRUVFAE5TdDNfXzIxNGRlZmF1bHRfZGVsZXRlSU42bGFzemlwN2Zvcm1hdHMyNmR5bmFtaWNfZGVjb21wcmVzc29yX2ZpZWxkSU5TMV84ZGVjb2RlcnMxMGFyaXRobWV0aWNJTlMxXzJpbzE4X19pZnN0cmVhbV93cmFwcGVySU5TMV83c3RyZWFtczEzbWVtb3J5X3N0cmVhbUVFRUVFTlMyXzVmaWVsZElOUzJfM2xhczEwZXh0cmFieXRlc0VOUzJfMjBzdGFuZGFyZF9kaWZmX21ldGhvZElTRV9FRUVFRUVFRQBONmxhc3ppcDdmb3JtYXRzMjFkeW5hbWljX2RlY29tcHJlc3NvcjFJTlNfOGRlY29kZXJzMTBhcml0aG1ldGljSU5TXzJpbzE4X19pZnN0cmVhbV93cmFwcGVySU5TXzdzdHJlYW1zMTNtZW1vcnlfc3RyZWFtRUVFRUVOUzBfMTlyZWNvcmRfZGVjb21wcmVzc29ySUpOUzBfNWZpZWxkSU5TMF8zbGFzN3BvaW50MTBFTlMwXzIwc3RhbmRhcmRfZGlmZl9tZXRob2RJU0RfRUVFRUVFRUVFAE5TdDNfXzIyMF9fc2hhcmVkX3B0cl9wb2ludGVySVBONmxhc3ppcDdmb3JtYXRzMjFkeW5hbWljX2RlY29tcHJlc3NvcjFJTlMxXzhkZWNvZGVyczEwYXJpdGhtZXRpY0lOUzFfMmlvMThfX2lmc3RyZWFtX3dyYXBwZXJJTlMxXzdzdHJlYW1zMTNtZW1vcnlfc3RyZWFtRUVFRUVOUzJfMTlyZWNvcmRfZGVjb21wcmVzc29ySUpOUzJfNWZpZWxkSU5TMl8zbGFzN3BvaW50MTBFTlMyXzIwc3RhbmRhcmRfZGlmZl9tZXRob2RJU0ZfRUVFRUVFRUVFTlNfMTRkZWZhdWx0X2RlbGV0ZUlTS19FRU5TXzlhbGxvY2F0b3JJU0tfRUVFRQBOU3QzX18yMTRkZWZhdWx0X2RlbGV0ZUlONmxhc3ppcDdmb3JtYXRzMjFkeW5hbWljX2RlY29tcHJlc3NvcjFJTlMxXzhkZWNvZGVyczEwYXJpdGhtZXRpY0lOUzFfMmlvMThfX2lmc3RyZWFtX3dyYXBwZXJJTlMxXzdzdHJlYW1zMTNtZW1vcnlfc3RyZWFtRUVFRUVOUzJfMTlyZWNvcmRfZGVjb21wcmVzc29ySUpOUzJfNWZpZWxkSU5TMl8zbGFzN3BvaW50MTBFTlMyXzIwc3RhbmRhcmRfZGlmZl9tZXRob2RJU0ZfRUVFRUVFRUVFRUUATjZsYXN6aXA3Zm9ybWF0czIxZHluYW1pY19kZWNvbXByZXNzb3IxSU5TXzhkZWNvZGVyczEwYXJpdGhtZXRpY0lOU18yaW8xOF9faWZzdHJlYW1fd3JhcHBlcklOU183c3RyZWFtczEzbWVtb3J5X3N0cmVhbUVFRUVFTlMwXzE5cmVjb3JkX2RlY29tcHJlc3NvcklKTlMwXzVmaWVsZElOUzBfM2xhczdwb2ludDEwRU5TMF8yMHN0YW5kYXJkX2RpZmZfbWV0aG9kSVNEX0VFRUVOU0JfSU5TQ183Z3BzdGltZUVOU0VfSVNIX0VFRUVFRUVFRQBOU3QzX18yMjBfX3NoYXJlZF9wdHJfcG9pbnRlcklQTjZsYXN6aXA3Zm9ybWF0czIxZHluYW1pY19kZWNvbXByZXNzb3IxSU5TMV84ZGVjb2RlcnMxMGFyaXRobWV0aWNJTlMxXzJpbzE4X19pZnN0cmVhbV93cmFwcGVySU5TMV83c3RyZWFtczEzbWVtb3J5X3N0cmVhbUVFRUVFTlMyXzE5cmVjb3JkX2RlY29tcHJlc3NvcklKTlMyXzVmaWVsZElOUzJfM2xhczdwb2ludDEwRU5TMl8yMHN0YW5kYXJkX2RpZmZfbWV0aG9kSVNGX0VFRUVOU0RfSU5TRV83Z3BzdGltZUVOU0dfSVNKX0VFRUVFRUVFRU5TXzE0ZGVmYXVsdF9kZWxldGVJU05fRUVOU185YWxsb2NhdG9ySVNOX0VFRUUATlN0M19fMjE0ZGVmYXVsdF9kZWxldGVJTjZsYXN6aXA3Zm9ybWF0czIxZHluYW1pY19kZWNvbXByZXNzb3IxSU5TMV84ZGVjb2RlcnMxMGFyaXRobWV0aWNJTlMxXzJpbzE4X19pZnN0cmVhbV93cmFwcGVySU5TMV83c3RyZWFtczEzbWVtb3J5X3N0cmVhbUVFRUVFTlMyXzE5cmVjb3JkX2RlY29tcHJlc3NvcklKTlMyXzVmaWVsZElOUzJfM2xhczdwb2ludDEwRU5TMl8yMHN0YW5kYXJkX2RpZmZfbWV0aG9kSVNGX0VFRUVOU0RfSU5TRV83Z3BzdGltZUVOU0dfSVNKX0VFRUVFRUVFRUVFAE42bGFzemlwN2Zvcm1hdHMyMWR5bmFtaWNfZGVjb21wcmVzc29yMUlOU184ZGVjb2RlcnMxMGFyaXRobWV0aWNJTlNfMmlvMThfX2lmc3RyZWFtX3dyYXBwZXJJTlNfN3N0cmVhbXMxM21lbW9yeV9zdHJlYW1FRUVFRU5TMF8xOXJlY29yZF9kZWNvbXByZXNzb3JJSk5TMF81