babylonjs-loaders
Version:
Babylon.js Loaders module =====================
447 lines (414 loc) • 44.1 kB
JavaScript
(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory(require("babylonjs"));
else if(typeof define === 'function' && define.amd)
define("babylonjs-loaders", ["babylonjs"], factory);
else if(typeof exports === 'object')
exports["babylonjs-loaders"] = factory(require("babylonjs"));
else
root["LOADERS"] = factory(root["BABYLON"]);
})((typeof self !== "undefined" ? self : typeof global !== "undefined" ? global : this), (__WEBPACK_EXTERNAL_MODULE_babylonjs_Misc_tools__) => {
return /******/ (() => { // webpackBootstrap
/******/ "use strict";
/******/ var __webpack_modules__ = ({
/***/ "../../../dev/loaders/src/STL/index.ts":
/*!*********************************************!*\
!*** ../../../dev/loaders/src/STL/index.ts ***!
\*********************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */ STLFileLoader: () => (/* reexport safe */ _stlFileLoader__WEBPACK_IMPORTED_MODULE_0__.STLFileLoader)
/* harmony export */ });
/* harmony import */ var _stlFileLoader__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./stlFileLoader */ "../../../dev/loaders/src/STL/stlFileLoader.ts");
/***/ }),
/***/ "../../../dev/loaders/src/STL/stlFileLoader.metadata.ts":
/*!**************************************************************!*\
!*** ../../../dev/loaders/src/STL/stlFileLoader.metadata.ts ***!
\**************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */ STLFileLoaderMetadata: () => (/* binding */ STLFileLoaderMetadata)
/* harmony export */ });
var STLFileLoaderMetadata = {
name: "stl",
extensions: {
// eslint-disable-next-line @typescript-eslint/naming-convention
".stl": { isBinary: true },
},
};
/***/ }),
/***/ "../../../dev/loaders/src/STL/stlFileLoader.ts":
/*!*****************************************************!*\
!*** ../../../dev/loaders/src/STL/stlFileLoader.ts ***!
\*****************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */ STLFileLoader: () => (/* binding */ STLFileLoader)
/* harmony export */ });
/* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Materials/standardMaterial */ "babylonjs/Misc/tools");
/* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var _stlFileLoader_metadata__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./stlFileLoader.metadata */ "../../../dev/loaders/src/STL/stlFileLoader.metadata.ts");
/**
* STL file type loader.
* This is a babylon scene loader plugin.
*/
var STLFileLoader = /** @class */ (function () {
function STLFileLoader() {
/** @internal */
this.solidPattern = /solid (\S*)([\S\s]*?)endsolid[ ]*(\S*)/g;
/** @internal */
this.facetsPattern = /facet([\s\S]*?)endfacet/g;
/** @internal */
this.normalPattern = /normal[\s]+([-+]?[0-9]+\.?[0-9]*([eE][-+]?[0-9]+)?)+[\s]+([-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?)+[\s]+([-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?)+/g;
/** @internal */
this.vertexPattern = /vertex[\s]+([-+]?[0-9]+\.?[0-9]*([eE][-+]?[0-9]+)?)+[\s]+([-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?)+[\s]+([-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?)+/g;
/**
* Defines the name of the plugin.
*/
this.name = _stlFileLoader_metadata__WEBPACK_IMPORTED_MODULE_1__.STLFileLoaderMetadata.name;
/**
* Defines the extensions the stl loader is able to load.
* force data to come in as an ArrayBuffer
* we'll convert to string if it looks like it's an ASCII .stl
*/
this.extensions = _stlFileLoader_metadata__WEBPACK_IMPORTED_MODULE_1__.STLFileLoaderMetadata.extensions;
}
/**
* Import meshes into a scene.
* @param meshesNames An array of mesh names, a single mesh name, or empty string for all meshes that filter what meshes are imported
* @param scene The scene to import into
* @param data The data to import
* @param rootUrl The root url for scene and resources
* @param meshes The meshes array to import into
* @returns True if successful or false otherwise
*/
STLFileLoader.prototype.importMesh = function (meshesNames, scene, data, rootUrl, meshes) {
var matches;
if (typeof data !== "string") {
if (this._isBinary(data)) {
// binary .stl
var babylonMesh = new babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_0__.Mesh("stlmesh", scene);
this._parseBinary(babylonMesh, data);
if (meshes) {
meshes.push(babylonMesh);
}
return true;
}
// ASCII .stl
// convert to string
data = new TextDecoder().decode(new Uint8Array(data));
}
//if arrived here, data is a string, containing the STLA data.
while ((matches = this.solidPattern.exec(data))) {
var meshName = matches[1];
var meshNameFromEnd = matches[3];
if (meshNameFromEnd && meshName != meshNameFromEnd) {
babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_0__.Tools.Error("Error in STL, solid name != endsolid name");
return false;
}
// check meshesNames
if (meshesNames && meshName) {
if (meshesNames instanceof Array) {
if (!meshesNames.indexOf(meshName)) {
continue;
}
}
else {
if (meshName !== meshesNames) {
continue;
}
}
}
// stl mesh name can be empty as well
meshName = meshName || "stlmesh";
var babylonMesh = new babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_0__.Mesh(meshName, scene);
this._parseASCII(babylonMesh, matches[2]);
if (meshes) {
meshes.push(babylonMesh);
}
}
return true;
};
/**
* Load into a scene.
* @param scene The scene to load into
* @param data The data to import
* @param rootUrl The root url for scene and resources
* @returns true if successful or false otherwise
*/
STLFileLoader.prototype.load = function (scene, data, rootUrl) {
var result = this.importMesh(null, scene, data, rootUrl, null);
return result;
};
/**
* Load into an asset container.
* @param scene The scene to load into
* @param data The data to import
* @param rootUrl The root url for scene and resources
* @returns The loaded asset container
*/
STLFileLoader.prototype.loadAssetContainer = function (scene, data, rootUrl) {
var container = new babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_0__.AssetContainer(scene);
scene._blockEntityCollection = true;
this.importMesh(null, scene, data, rootUrl, container.meshes);
scene._blockEntityCollection = false;
return container;
};
STLFileLoader.prototype._isBinary = function (data) {
// check if file size is correct for binary stl
var reader = new DataView(data);
// A Binary STL header is 80 bytes, if the data size is not great than
// that then it's not a binary STL.
if (reader.byteLength <= 80) {
return false;
}
var faceSize = (32 / 8) * 3 + (32 / 8) * 3 * 3 + 16 / 8;
var nFaces = reader.getUint32(80, true);
if (80 + 32 / 8 + nFaces * faceSize === reader.byteLength) {
return true;
}
// US-ASCII begin with 's', 'o', 'l', 'i', 'd'
var ascii = [115, 111, 108, 105, 100];
for (var off = 0; off < 5; off++) {
if (reader.getUint8(off) !== ascii[off]) {
return true;
}
}
return false;
};
STLFileLoader.prototype._parseBinary = function (mesh, data) {
var reader = new DataView(data);
var faces = reader.getUint32(80, true);
var dataOffset = 84;
var faceLength = 12 * 4 + 2;
var offset = 0;
var positions = new Float32Array(faces * 3 * 3);
var normals = new Float32Array(faces * 3 * 3);
var indices = new Uint32Array(faces * 3);
var indicesCount = 0;
for (var face = 0; face < faces; face++) {
var start = dataOffset + face * faceLength;
var normalX = reader.getFloat32(start, true);
var normalY = reader.getFloat32(start + 4, true);
var normalZ = reader.getFloat32(start + 8, true);
for (var i = 1; i <= 3; i++) {
var vertexstart = start + i * 12;
// ordering is intentional to match ascii import
positions[offset] = reader.getFloat32(vertexstart, true);
normals[offset] = normalX;
if (!STLFileLoader.DO_NOT_ALTER_FILE_COORDINATES) {
positions[offset + 2] = reader.getFloat32(vertexstart + 4, true);
positions[offset + 1] = reader.getFloat32(vertexstart + 8, true);
normals[offset + 2] = normalY;
normals[offset + 1] = normalZ;
}
else {
positions[offset + 1] = reader.getFloat32(vertexstart + 4, true);
positions[offset + 2] = reader.getFloat32(vertexstart + 8, true);
normals[offset + 1] = normalY;
normals[offset + 2] = normalZ;
}
offset += 3;
}
if (STLFileLoader.DO_NOT_ALTER_FILE_COORDINATES) {
indices[indicesCount] = indicesCount;
indices[indicesCount + 1] = indicesCount + 2;
indices[indicesCount + 2] = indicesCount + 1;
indicesCount += 3;
}
else {
indices[indicesCount] = indicesCount++;
indices[indicesCount] = indicesCount++;
indices[indicesCount] = indicesCount++;
}
}
mesh.setVerticesData(babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_0__.VertexBuffer.PositionKind, positions);
mesh.setVerticesData(babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_0__.VertexBuffer.NormalKind, normals);
mesh.setIndices(indices);
mesh.computeWorldMatrix(true);
};
STLFileLoader.prototype._parseASCII = function (mesh, solidData) {
var positions = [];
var normals = [];
var indices = [];
var indicesCount = 0;
//load facets, ignoring loop as the standard doesn't define it can contain more than vertices
var matches;
while ((matches = this.facetsPattern.exec(solidData))) {
var facet = matches[1];
//one normal per face
var normalMatches = this.normalPattern.exec(facet);
this.normalPattern.lastIndex = 0;
if (!normalMatches) {
continue;
}
var normal = [Number(normalMatches[1]), Number(normalMatches[5]), Number(normalMatches[3])];
var vertexMatch = void 0;
while ((vertexMatch = this.vertexPattern.exec(facet))) {
if (!STLFileLoader.DO_NOT_ALTER_FILE_COORDINATES) {
positions.push(Number(vertexMatch[1]), Number(vertexMatch[5]), Number(vertexMatch[3]));
normals.push(normal[0], normal[1], normal[2]);
}
else {
positions.push(Number(vertexMatch[1]), Number(vertexMatch[3]), Number(vertexMatch[5]));
// Flipping the second and third component because inverted
// when normal was declared.
normals.push(normal[0], normal[2], normal[1]);
}
}
if (STLFileLoader.DO_NOT_ALTER_FILE_COORDINATES) {
indices.push(indicesCount, indicesCount + 2, indicesCount + 1);
indicesCount += 3;
}
else {
indices.push(indicesCount++, indicesCount++, indicesCount++);
}
this.vertexPattern.lastIndex = 0;
}
this.facetsPattern.lastIndex = 0;
mesh.setVerticesData(babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_0__.VertexBuffer.PositionKind, positions);
mesh.setVerticesData(babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_0__.VertexBuffer.NormalKind, normals);
mesh.setIndices(indices);
mesh.computeWorldMatrix(true);
};
/**
* Defines if Y and Z axes are swapped or not when loading an STL file.
* The default is false to maintain backward compatibility. When set to
* true, coordinates from the STL file are used without change.
*/
STLFileLoader.DO_NOT_ALTER_FILE_COORDINATES = false;
return STLFileLoader;
}());
(0,babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_0__.registerSceneLoaderPlugin)(new STLFileLoader());
/***/ }),
/***/ "../../../lts/loaders/src/legacy/legacy-stlFileLoader.ts":
/*!***************************************************************!*\
!*** ../../../lts/loaders/src/legacy/legacy-stlFileLoader.ts ***!
\***************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */ STLFileLoader: () => (/* reexport safe */ loaders_STL_index__WEBPACK_IMPORTED_MODULE_0__.STLFileLoader)
/* harmony export */ });
/* harmony import */ var loaders_STL_index__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! loaders/STL/index */ "../../../dev/loaders/src/STL/index.ts");
/* eslint-disable import/no-internal-modules */
/**
* This is the entry point for the UMD module.
* The entry point for a future ESM package should be index.ts
*/
var globalObject = typeof __webpack_require__.g !== "undefined" ? __webpack_require__.g : typeof window !== "undefined" ? window : undefined;
if (typeof globalObject !== "undefined") {
for (var key in loaders_STL_index__WEBPACK_IMPORTED_MODULE_0__) {
if (!globalObject.BABYLON[key]) {
globalObject.BABYLON[key] = loaders_STL_index__WEBPACK_IMPORTED_MODULE_0__[key];
}
}
}
/***/ }),
/***/ "babylonjs/Misc/tools":
/*!****************************************************************************************************!*\
!*** external {"root":"BABYLON","commonjs":"babylonjs","commonjs2":"babylonjs","amd":"babylonjs"} ***!
\****************************************************************************************************/
/***/ ((module) => {
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/***/ })
/******/ });
/************************************************************************/
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/******/
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/******/ var cachedModule = __webpack_module_cache__[moduleId];
/******/ if (cachedModule !== undefined) {
/******/ return cachedModule.exports;
/******/ }
/******/ // Create a new module (and put it into the cache)
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/******/ // no module.id needed
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/******/
/******/ // Execute the module function
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/************************************************************************/
/******/ /* webpack/runtime/compat get default export */
/******/ (() => {
/******/ // getDefaultExport function for compatibility with non-harmony modules
/******/ __webpack_require__.n = (module) => {
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/******/
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/******/ (() => {
/******/ __webpack_require__.g = (function() {
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/******/ try {
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/******/
/******/ /* webpack/runtime/hasOwnProperty shorthand */
/******/ (() => {
/******/ __webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop))
/******/ })();
/******/
/******/ /* webpack/runtime/make namespace object */
/******/ (() => {
/******/ // define __esModule on exports
/******/ __webpack_require__.r = (exports) => {
/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
/******/ }
/******/ Object.defineProperty(exports, '__esModule', { value: true });
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/************************************************************************/
var __webpack_exports__ = {};
/*!******************************!*\
!*** ./src/stlFileLoader.ts ***!
\******************************/
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */ "default": () => (__WEBPACK_DEFAULT_EXPORT__),
/* harmony export */ loaders: () => (/* reexport module object */ _lts_loaders_legacy_legacy_stlFileLoader__WEBPACK_IMPORTED_MODULE_0__)
/* harmony export */ });
/* harmony import */ var _lts_loaders_legacy_legacy_stlFileLoader__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @lts/loaders/legacy/legacy-stlFileLoader */ "../../../lts/loaders/src/legacy/legacy-stlFileLoader.ts");
/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (_lts_loaders_legacy_legacy_stlFileLoader__WEBPACK_IMPORTED_MODULE_0__);
__webpack_exports__ = __webpack_exports__["default"];
/******/ return __webpack_exports__;
/******/ })()
;
});
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self : typeof global !== \"undefined\" ? global : this), (__WEBPACK_EXTERNAL_MODULE_babylonjs_Misc_tools__) => {\nreturn ","export * from \"./stlFileLoader\";\r\n","// eslint-disable-next-line import/no-internal-modules\r\nimport type { ISceneLoaderPluginExtensions, ISceneLoaderPluginMetadata } from \"core/index\";\r\n\r\nexport const STLFileLoaderMetadata = {\r\n    name: \"stl\",\r\n\r\n    extensions: {\r\n        // eslint-disable-next-line @typescript-eslint/naming-convention\r\n        \".stl\": { isBinary: true },\r\n    } as const satisfies ISceneLoaderPluginExtensions,\r\n} as const satisfies ISceneLoaderPluginMetadata;\r\n","/* eslint-disable @typescript-eslint/naming-convention */\r\nimport type { Nullable } from \"core/types\";\r\nimport { Tools } from \"core/Misc/tools\";\r\nimport { VertexBuffer } from \"core/Buffers/buffer\";\r\nimport type { AbstractMesh } from \"core/Meshes/abstractMesh\";\r\nimport { Mesh } from \"core/Meshes/mesh\";\r\nimport type { ISceneLoaderPlugin } from \"core/Loading/sceneLoader\";\r\nimport { registerSceneLoaderPlugin } from \"core/Loading/sceneLoader\";\r\nimport { AssetContainer } from \"core/assetContainer\";\r\nimport type { Scene } from \"core/scene\";\r\nimport { STLFileLoaderMetadata } from \"./stlFileLoader.metadata\";\r\nimport \"core/Materials/standardMaterial\";\r\n\r\ndeclare module \"core/Loading/sceneLoader\" {\r\n    // eslint-disable-next-line jsdoc/require-jsdoc\r\n    export interface SceneLoaderPluginOptions {\r\n        /**\r\n         * Defines options for the stl loader.\r\n         */\r\n        [STLFileLoaderMetadata.name]: {};\r\n    }\r\n}\r\n\r\n/**\r\n * STL file type loader.\r\n * This is a babylon scene loader plugin.\r\n */\r\nexport class STLFileLoader implements ISceneLoaderPlugin {\r\n    /** @internal */\r\n    public solidPattern = /solid (\\S*)([\\S\\s]*?)endsolid[ ]*(\\S*)/g;\r\n\r\n    /** @internal */\r\n    public facetsPattern = /facet([\\s\\S]*?)endfacet/g;\r\n    /** @internal */\r\n    public normalPattern = /normal[\\s]+([-+]?[0-9]+\\.?[0-9]*([eE][-+]?[0-9]+)?)+[\\s]+([-+]?[0-9]*\\.?[0-9]+([eE][-+]?[0-9]+)?)+[\\s]+([-+]?[0-9]*\\.?[0-9]+([eE][-+]?[0-9]+)?)+/g;\r\n    /** @internal */\r\n    public vertexPattern = /vertex[\\s]+([-+]?[0-9]+\\.?[0-9]*([eE][-+]?[0-9]+)?)+[\\s]+([-+]?[0-9]*\\.?[0-9]+([eE][-+]?[0-9]+)?)+[\\s]+([-+]?[0-9]*\\.?[0-9]+([eE][-+]?[0-9]+)?)+/g;\r\n\r\n    /**\r\n     * Defines the name of the plugin.\r\n     */\r\n    public readonly name = STLFileLoaderMetadata.name;\r\n\r\n    /**\r\n     * Defines the extensions the stl loader is able to load.\r\n     * force data to come in as an ArrayBuffer\r\n     * we'll convert to string if it looks like it's an ASCII .stl\r\n     */\r\n    public readonly extensions = STLFileLoaderMetadata.extensions;\r\n\r\n    /**\r\n     * Defines if Y and Z axes are swapped or not when loading an STL file.\r\n     * The default is false to maintain backward compatibility. When set to\r\n     * true, coordinates from the STL file are used without change.\r\n     */\r\n    public static DO_NOT_ALTER_FILE_COORDINATES = false;\r\n\r\n    /**\r\n     * Import meshes into a scene.\r\n     * @param meshesNames An array of mesh names, a single mesh name, or empty string for all meshes that filter what meshes are imported\r\n     * @param scene The scene to import into\r\n     * @param data The data to import\r\n     * @param rootUrl The root url for scene and resources\r\n     * @param meshes The meshes array to import into\r\n     * @returns True if successful or false otherwise\r\n     */\r\n    public importMesh(meshesNames: any, scene: Scene, data: any, rootUrl: string, meshes: Nullable<AbstractMesh[]>): boolean {\r\n        let matches;\r\n\r\n        if (typeof data !== \"string\") {\r\n            if (this._isBinary(data)) {\r\n                // binary .stl\r\n                const babylonMesh = new Mesh(\"stlmesh\", scene);\r\n                this._parseBinary(babylonMesh, data);\r\n                if (meshes) {\r\n                    meshes.push(babylonMesh);\r\n                }\r\n                return true;\r\n            }\r\n\r\n            // ASCII .stl\r\n\r\n            // convert to string\r\n            data = new TextDecoder().decode(new Uint8Array(data));\r\n        }\r\n\r\n        //if arrived here, data is a string, containing the STLA data.\r\n\r\n        while ((matches = this.solidPattern.exec(data))) {\r\n            let meshName = matches[1];\r\n            const meshNameFromEnd = matches[3];\r\n            if (meshNameFromEnd && meshName != meshNameFromEnd) {\r\n                Tools.Error(\"Error in STL, solid name != endsolid name\");\r\n                return false;\r\n            }\r\n\r\n            // check meshesNames\r\n            if (meshesNames && meshName) {\r\n                if (meshesNames instanceof Array) {\r\n                    if (!meshesNames.indexOf(meshName)) {\r\n                        continue;\r\n                    }\r\n                } else {\r\n                    if (meshName !== meshesNames) {\r\n                        continue;\r\n                    }\r\n                }\r\n            }\r\n\r\n            // stl mesh name can be empty as well\r\n            meshName = meshName || \"stlmesh\";\r\n\r\n            const babylonMesh = new Mesh(meshName, scene);\r\n            this._parseASCII(babylonMesh, matches[2]);\r\n            if (meshes) {\r\n                meshes.push(babylonMesh);\r\n            }\r\n        }\r\n\r\n        return true;\r\n    }\r\n\r\n    /**\r\n     * Load into a scene.\r\n     * @param scene The scene to load into\r\n     * @param data The data to import\r\n     * @param rootUrl The root url for scene and resources\r\n     * @returns true if successful or false otherwise\r\n     */\r\n    public load(scene: Scene, data: any, rootUrl: string): boolean {\r\n        const result = this.importMesh(null, scene, data, rootUrl, null);\r\n        return result;\r\n    }\r\n\r\n    /**\r\n     * Load into an asset container.\r\n     * @param scene The scene to load into\r\n     * @param data The data to import\r\n     * @param rootUrl The root url for scene and resources\r\n     * @returns The loaded asset container\r\n     */\r\n    public loadAssetContainer(scene: Scene, data: string, rootUrl: string): AssetContainer {\r\n        const container = new AssetContainer(scene);\r\n        scene._blockEntityCollection = true;\r\n        this.importMesh(null, scene, data, rootUrl, container.meshes);\r\n        scene._blockEntityCollection = false;\r\n        return container;\r\n    }\r\n\r\n    private _isBinary(data: any) {\r\n        // check if file size is correct for binary stl\r\n        const reader = new DataView(data);\r\n\r\n        // A Binary STL header is 80 bytes, if the data size is not great than\r\n        // that then it's not a binary STL.\r\n        if (reader.byteLength <= 80) {\r\n            return false;\r\n        }\r\n\r\n        const faceSize = (32 / 8) * 3 + (32 / 8) * 3 * 3 + 16 / 8;\r\n        const nFaces = reader.getUint32(80, true);\r\n\r\n        if (80 + 32 / 8 + nFaces * faceSize === reader.byteLength) {\r\n            return true;\r\n        }\r\n\r\n        // US-ASCII begin with 's', 'o', 'l', 'i', 'd'\r\n        const ascii = [115, 111, 108, 105, 100];\r\n        for (let off = 0; off < 5; off++) {\r\n            if (reader.getUint8(off) !== ascii[off]) {\r\n                return true;\r\n            }\r\n        }\r\n\r\n        return false;\r\n    }\r\n\r\n    private _parseBinary(mesh: Mesh, data: ArrayBuffer) {\r\n        const reader = new DataView(data);\r\n        const faces = reader.getUint32(80, true);\r\n\r\n        const dataOffset = 84;\r\n        const faceLength = 12 * 4 + 2;\r\n\r\n        let offset = 0;\r\n\r\n        const positions = new Float32Array(faces * 3 * 3);\r\n        const normals = new Float32Array(faces * 3 * 3);\r\n        const indices = new Uint32Array(faces * 3);\r\n        let indicesCount = 0;\r\n\r\n        for (let face = 0; face < faces; face++) {\r\n            const start = dataOffset + face * faceLength;\r\n            const normalX = reader.getFloat32(start, true);\r\n            const normalY = reader.getFloat32(start + 4, true);\r\n            const normalZ = reader.getFloat32(start + 8, true);\r\n\r\n            for (let i = 1; i <= 3; i++) {\r\n                const vertexstart = start + i * 12;\r\n\r\n                // ordering is intentional to match ascii import\r\n                positions[offset] = reader.getFloat32(vertexstart, true);\r\n                normals[offset] = normalX;\r\n\r\n                if (!STLFileLoader.DO_NOT_ALTER_FILE_COORDINATES) {\r\n                    positions[offset + 2] = reader.getFloat32(vertexstart + 4, true);\r\n                    positions[offset + 1] = reader.getFloat32(vertexstart + 8, true);\r\n\r\n                    normals[offset + 2] = normalY;\r\n                    normals[offset + 1] = normalZ;\r\n                } else {\r\n                    positions[offset + 1] = reader.getFloat32(vertexstart + 4, true);\r\n                    positions[offset + 2] = reader.getFloat32(vertexstart + 8, true);\r\n\r\n                    normals[offset + 1] = normalY;\r\n                    normals[offset + 2] = normalZ;\r\n                }\r\n\r\n                offset += 3;\r\n            }\r\n\r\n            if (STLFileLoader.DO_NOT_ALTER_FILE_COORDINATES) {\r\n                indices[indicesCount] = indicesCount;\r\n                indices[indicesCount + 1] = indicesCount + 2;\r\n                indices[indicesCount + 2] = indicesCount + 1;\r\n                indicesCount += 3;\r\n            } else {\r\n                indices[indicesCount] = indicesCount++;\r\n                indices[indicesCount] = indicesCount++;\r\n                indices[indicesCount] = indicesCount++;\r\n            }\r\n        }\r\n\r\n        mesh.setVerticesData(VertexBuffer.PositionKind, positions);\r\n        mesh.setVerticesData(VertexBuffer.NormalKind, normals);\r\n        mesh.setIndices(indices);\r\n        mesh.computeWorldMatrix(true);\r\n    }\r\n\r\n    private _parseASCII(mesh: Mesh, solidData: string) {\r\n        const positions = [];\r\n        const normals = [];\r\n        const indices = [];\r\n        let indicesCount = 0;\r\n\r\n        //load facets, ignoring loop as the standard doesn't define it can contain more than vertices\r\n        let matches;\r\n        while ((matches = this.facetsPattern.exec(solidData))) {\r\n            const facet = matches[1];\r\n            //one normal per face\r\n            const normalMatches = this.normalPattern.exec(facet);\r\n            this.normalPattern.lastIndex = 0;\r\n            if (!normalMatches) {\r\n                continue;\r\n            }\r\n            const normal = [Number(normalMatches[1]), Number(normalMatches[5]), Number(normalMatches[3])];\r\n\r\n            let vertexMatch;\r\n            while ((vertexMatch = this.vertexPattern.exec(facet))) {\r\n                if (!STLFileLoader.DO_NOT_ALTER_FILE_COORDINATES) {\r\n                    positions.push(Number(vertexMatch[1]), Number(vertexMatch[5]), Number(vertexMatch[3]));\r\n                    normals.push(normal[0], normal[1], normal[2]);\r\n                } else {\r\n                    positions.push(Number(vertexMatch[1]), Number(vertexMatch[3]), Number(vertexMatch[5]));\r\n\r\n                    // Flipping the second and third component because inverted\r\n                    // when normal was declared.\r\n                    normals.push(normal[0], normal[2], normal[1]);\r\n                }\r\n            }\r\n            if (STLFileLoader.DO_NOT_ALTER_FILE_COORDINATES) {\r\n                indices.push(indicesCount, indicesCount + 2, indicesCount + 1);\r\n                indicesCount += 3;\r\n            } else {\r\n                indices.push(indicesCount++, indicesCount++, indicesCount++);\r\n            }\r\n            this.vertexPattern.lastIndex = 0;\r\n        }\r\n\r\n        this.facetsPattern.lastIndex = 0;\r\n        mesh.setVerticesData(VertexBuffer.PositionKind, positions);\r\n        mesh.setVerticesData(VertexBuffer.NormalKind, normals);\r\n        mesh.setIndices(indices);\r\n        mesh.computeWorldMatrix(true);\r\n    }\r\n}\r\n\r\nregisterSceneLoaderPlugin(new STLFileLoader());\r\n","/* eslint-disable import/no-internal-modules */\r\nimport * as Loaders from \"loaders/STL/index\";\r\n\r\n/**\r\n * This is the entry point for the UMD module.\r\n * The entry point for a future ESM package should be index.ts\r\n */\r\nconst globalObject = typeof global !== \"undefined\" ? global : typeof window !== \"undefined\" ? window : undefined;\r\nif (typeof globalObject !== \"undefined\") {\r\n    for (const key in Loaders) {\r\n        if (!(<any>globalObject).BABYLON[key]) {\r\n            (<any>globalObject).BABYLON[key] = (<any>Loaders)[key];\r\n        }\r\n    }\r\n}\r\n\r\nexport * from \"loaders/STL/index\";\r\n","module.exports = __WEBPACK_EXTERNAL_MODULE_babylonjs_Misc_tools__;","// The module cache\nvar __webpack_module_cache__ = {};\n\n// The require function\nfunction __webpack_require__(moduleId) {\n\t// Check if module is in cache\n\tvar cachedModule = __webpack_module_cache__[moduleId];\n\tif (cachedModule !== undefined) {\n\t\treturn cachedModule.exports;\n\t}\n\t// Create a new module (and put it into the cache)\n\tvar module = __webpack_module_cache__[moduleId] = {\n\t\t// no module.id needed\n\t\t// no module.loaded needed\n\t\texports: {}\n\t};\n\n\t// Execute the module function\n\t__webpack_modules__[moduleId](module, module.exports, __webpack_require__);\n\n\t// Return the exports of the module\n\treturn module.exports;\n}\n\n","// getDefaultExport function for compatibility with non-harmony modules\n__webpack_require__.n = (module) => {\n\tvar getter = module && module.__esModule ?\n\t\t() => (module['default']) :\n\t\t() => (module);\n\t__webpack_require__.d(getter, { a: getter });\n\treturn getter;\n};","// define getter functions for harmony exports\n__webpack_require__.d = (exports, definition) => {\n\tfor(var key in definition) {\n\t\tif(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {\n\t\t\tObject.defineProperty(exports, key, { enumerable: true, get: definition[key] });\n\t\t}\n\t}\n};","__webpack_require__.g = (function() {\n\tif (typeof globalThis === 'object') return globalThis;\n\ttry {\n\t\treturn this || new Function('return this')();\n\t} catch (e) {\n\t\tif (typeof window === 'object') return window;\n\t}\n})();","__webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop))","// define __esModule on exports\n__webpack_require__.r = (exports) => {\n\tif(typeof Symbol !== 'undefined' && Symbol.toStringTag) {\n\t\tObject.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });\n\t}\n\tObject.defineProperty(exports, '__esModule', { value: true });\n};","import * as loaders from \"@lts/loaders/legacy/legacy-stlFileLoader\";\r\nexport { loaders };\r\nexport default loaders;\r\n"],"names":[],"sourceRoot":""}