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* as WEBIFC from \"web-ifc\";\r\nimport * as THREE from \"three\";\r\nimport * as FRAGS from \"bim-fragment\";\r\nimport { SpatialStructure } from \"./src/spatial-structure\";\r\nimport { CivilReader, IfcFragmentSettings, IfcMetadataReader } from \"./src\";\r\nimport { Event, Component, UIElement } from \"../../base-types\";\r\nimport { FragmentManager } from \"../FragmentManager\";\r\nimport { Button, ToastNotification } from \"../../ui\";\r\nimport { Components, ToolComponent } from \"../../core\";\r\nimport { IfcJsonExporter } from \"../../ifc/IfcJsonExporter\";\r\nexport class FragmentIfcLoader extends Component {\r\n    constructor(components) {\r\n        super(components);\r\n        this.onIfcLoaded = new Event();\r\n        this.onIfcStartedLoading = new Event();\r\n        this.onSetup = new Event();\r\n        /** {@link Disposable.onDisposed} */\r\n        this.onDisposed = new Event();\r\n        this.settings = new IfcFragmentSettings();\r\n        this.enabled = true;\r\n        this.uiElement = new UIElement();\r\n        this._material = new THREE.MeshLambertMaterial();\r\n        this._spatialTree = new SpatialStructure();\r\n        this._metaData = new IfcMetadataReader();\r\n        this._fragmentInstances = new Map();\r\n        this._webIfc = new WEBIFC.IfcAPI();\r\n        this._civil = new CivilReader();\r\n        this._propertyExporter = new IfcJsonExporter();\r\n        this._visitedFragments = new Map();\r\n        this._materialT = new THREE.MeshLambertMaterial({\r\n            transparent: true,\r\n            opacity: 0.5,\r\n        });\r\n        this.components.tools.add(FragmentIfcLoader.uuid, this);\r\n        if (components.uiEnabled) {\r\n            this.setupUI();\r\n        }\r\n        this.settings.excludedCategories.add(WEBIFC.IFCOPENINGELEMENT);\r\n    }\r\n    get() {\r\n        return this._webIfc;\r\n    }\r\n    async dispose() {\r\n        this.onIfcLoaded.reset();\r\n        await this.uiElement.dispose();\r\n        this._webIfc = null;\r\n        await this.onDisposed.trigger(FragmentIfcLoader.uuid);\r\n        this.onDisposed.reset();\r\n    }\r\n    async setup(config) {\r\n        this.settings = { ...this.settings, ...config };\r\n        if (this.settings.autoSetWasm) {\r\n            await this.autoSetWasm();\r\n        }\r\n        await this.onSetup.trigger();\r\n    }\r\n    async load(data, coordinate = true) {\r\n        const before = performance.now();\r\n        await this.onIfcStartedLoading.trigger();\r\n        await this.readIfcFile(data);\r\n        const group = await this.getAllGeometries();\r\n        const properties = await this._propertyExporter.export(this._webIfc, 0);\r\n        group.setLocalProperties(properties);\r\n        this.cleanUp();\r\n        console.log(`Streaming the IFC took ${performance.now() - before} ms!`);\r\n        const fragments = this.components.tools.get(FragmentManager);\r\n        fragments.groups.push(group);\r\n        for (const frag of group.items) {\r\n            fragments.list[frag.id] = frag;\r\n            frag.mesh.uuid = frag.id;\r\n            frag.group = group;\r\n            this.components.meshes.add(frag.mesh);\r\n        }\r\n        if (coordinate) {\r\n            fragments.coordinate([group]);\r\n        }\r\n        await this.onIfcLoaded.trigger(group);\r\n        return group;\r\n    }\r\n    setupUI() {\r\n        const main = new Button(this.components);\r\n        main.materialIcon = \"upload_file\";\r\n        main.tooltip = \"Load IFC\";\r\n        const toast = new ToastNotification(this.components, {\r\n            message: \"IFC model successfully loaded!\",\r\n        });\r\n        main.onClick.add(() => {\r\n            const fileOpener = document.createElement(\"input\");\r\n            fileOpener.type = \"file\";\r\n            fileOpener.accept = \".ifc\";\r\n            fileOpener.style.display = \"none\";\r\n            fileOpener.onchange = async () => {\r\n                const fragments = this.components.tools.get(FragmentManager);\r\n                if (fileOpener.files === null || fileOpener.files.length === 0)\r\n                    return;\r\n                const file = fileOpener.files[0];\r\n                const buffer = await file.arrayBuffer();\r\n                const data = new Uint8Array(buffer);\r\n                const model = await this.load(data);\r\n                const scene = this.components.scene.get();\r\n                scene.add(model);\r\n                toast.visible = true;\r\n                await fragments.updateWindow();\r\n                fileOpener.remove();\r\n            };\r\n            fileOpener.click();\r\n        });\r\n        this.components.ui.add(toast);\r\n        toast.visible = false;\r\n        this.uiElement.set({ main, toast });\r\n    }\r\n    async readIfcFile(data) {\r\n        const { path, absolute, logLevel } = this.settings.wasm;\r\n        this._webIfc.SetWasmPath(path, absolute);\r\n        await this._webIfc.Init();\r\n        if (logLevel) {\r\n            this._webIfc.SetLogLevel(logLevel);\r\n        }\r\n        return this._webIfc.OpenModel(data, this.settings.webIfc);\r\n    }\r\n    async getAllGeometries() {\r\n        // Precompute the level and category to which each item belongs\r\n        this._spatialTree.setUp(this._webIfc);\r\n        const allIfcEntities = this._webIfc.GetIfcEntityList(0);\r\n        const group = new FRAGS.FragmentsGroup();\r\n        const { FILE_NAME, FILE_DESCRIPTION } = WEBIFC;\r\n        group.ifcMetadata = {\r\n            name: this._metaData.get(this._webIfc, FILE_NAME),\r\n            description: this._metaData.get(this._webIfc, FILE_DESCRIPTION),\r\n            schema: this._webIfc.GetModelSchema(0) || \"IFC2X3\",\r\n            maxExpressID: this._webIfc.GetMaxExpressID(0),\r\n        };\r\n        const ids = [];\r\n        for (const type of allIfcEntities) {\r\n            if (!this._webIfc.IsIfcElement(type) && type !== WEBIFC.IFCSPACE) {\r\n                continue;\r\n            }\r\n            if (this.settings.excludedCategories.has(type)) {\r\n                continue;\r\n            }\r\n            const result = this._webIfc.GetLineIDsWithType(0, type);\r\n            const size = result.size();\r\n            for (let i = 0; i < size; i++) {\r\n                const itemID = result.get(i);\r\n                ids.push(itemID);\r\n                const level = this._spatialTree.itemsByFloor[itemID] || 0;\r\n                group.data.set(itemID, [[], [level, type]]);\r\n            }\r\n        }\r\n        this._spatialTree.cleanUp();\r\n        this._webIfc.StreamMeshes(0, ids, (mesh) => {\r\n            this.getMesh(mesh, group);\r\n        });\r\n        for (const entry of this._visitedFragments) {\r\n            const { index, fragment } = entry[1];\r\n            group.keyFragments.set(index, fragment.id);\r\n        }\r\n        for (const fragment of group.items) {\r\n            const fragmentData = this._fragmentInstances.get(fragment.id);\r\n            if (!fragmentData) {\r\n                throw new Error(\"Fragment not found!\");\r\n            }\r\n            const items = [];\r\n            for (const [_geomID, item] of fragmentData) {\r\n                items.push(item);\r\n            }\r\n            fragment.add(items);\r\n        }\r\n        const matrix = this._webIfc.GetCoordinationMatrix(0);\r\n        group.coordinationMatrix.fromArray(matrix);\r\n        group.civilData = this._civil.read(this._webIfc);\r\n        return group;\r\n    }\r\n    cleanUp() {\r\n        this._webIfc = null;\r\n        this._webIfc = new WEBIFC.IfcAPI();\r\n        this._visitedFragments.clear();\r\n        this._fragmentInstances.clear();\r\n    }\r\n    getMesh(mesh, group) {\r\n        const size = mesh.geometries.size();\r\n        const id = mesh.expressID;\r\n        for (let i = 0; i < size; i++) {\r\n            const geometry = mesh.geometries.get(i);\r\n            const { x, y, z, w } = geometry.color;\r\n            const transparent = w !== 1;\r\n            const { geometryExpressID } = geometry;\r\n            const geometryID = `${geometryExpressID}-${transparent}`;\r\n            // Create geometry if it doesn't exist\r\n            if (!this._visitedFragments.has(geometryID)) {\r\n                const bufferGeometry = this.getGeometry(this._webIfc, geometryExpressID);\r\n                const material = transparent ? this._materialT : this._material;\r\n                const fragment = new FRAGS.Fragment(bufferGeometry, material, 1);\r\n                group.add(fragment.mesh);\r\n                group.items.push(fragment);\r\n                const index = this._visitedFragments.size;\r\n                this._visitedFragments.set(geometryID, { index, fragment });\r\n            }\r\n            // Save this instance of this geometry\r\n            const color = new THREE.Color().setRGB(x, y, z, \"srgb\");\r\n            const transform = new THREE.Matrix4();\r\n            transform.fromArray(geometry.flatTransformation);\r\n            const fragmentData = this._visitedFragments.get(geometryID);\r\n            if (fragmentData === undefined) {\r\n                throw new Error(\"Error getting geometry data for streaming!\");\r\n            }\r\n            const data = group.data.get(id);\r\n            if (!data) {\r\n                throw new Error(\"Data not found!\");\r\n            }\r\n            data[0].push(fragmentData.index);\r\n            const { fragment } = fragmentData;\r\n            if (!this._fragmentInstances.has(fragment.id)) {\r\n                this._fragmentInstances.set(fragment.id, new Map());\r\n            }\r\n            const instances = this._fragmentInstances.get(fragment.id);\r\n            if (!instances) {\r\n                throw new Error(\"Instances not found!\");\r\n            }\r\n            if (instances.has(id)) {\r\n                // This item has more than one instance in this fragment\r\n                const instance = instances.get(id);\r\n                if (!instance) {\r\n                    throw new Error(\"Instance not found!\");\r\n                }\r\n                instance.transforms.push(transform);\r\n                if (instance.colors) {\r\n                    instance.colors.push(color);\r\n                }\r\n            }\r\n            else {\r\n                instances.set(id, { id, transforms: [transform], colors: [color] });\r\n            }\r\n        }\r\n    }\r\n    getGeometry(webIfc, id) {\r\n        const geometry = webIfc.GetGeometry(0, id);\r\n        const index = webIfc.GetIndexArray(geometry.GetIndexData(), geometry.GetIndexDataSize());\r\n        const vertexData = webIfc.GetVertexArray(geometry.GetVertexData(), geometry.GetVertexDataSize());\r\n        const position = new Float32Array(vertexData.length / 2);\r\n        const normal = new Float32Array(vertexData.length / 2);\r\n        for (let i = 0; i < vertexData.length; i += 6) {\r\n            position[i / 2] = vertexData[i];\r\n            position[i / 2 + 1] = vertexData[i + 1];\r\n            position[i / 2 + 2] = vertexData[i + 2];\r\n            normal[i / 2] = vertexData[i + 3];\r\n            normal[i / 2 + 1] = vertexData[i + 4];\r\n            normal[i / 2 + 2] = vertexData[i + 5];\r\n        }\r\n        const bufferGeometry = new THREE.BufferGeometry();\r\n        const posAttr = new THREE.BufferAttribute(position, 3);\r\n        const norAttr = new THREE.BufferAttribute(normal, 3);\r\n        bufferGeometry.setAttribute(\"position\", posAttr);\r\n        bufferGeometry.setAttribute(\"normal\", norAttr);\r\n        bufferGeometry.setIndex(Array.from(index));\r\n        geometry.delete();\r\n        return bufferGeometry;\r\n    }\r\n    async autoSetWasm() {\r\n        const componentsPackage = await fetch(`https://unpkg.com/openbim-components@${Components.release}/package.json`);\r\n        if (!componentsPackage.ok) {\r\n            console.warn(\"Couldn't get openbim-components package.json. Set wasm settings manually.\");\r\n            return;\r\n        }\r\n        const componentsPackageJSON = await componentsPackage.json();\r\n        if (!(\"web-ifc\" in componentsPackageJSON.peerDependencies ?? {})) {\r\n            console.warn(\"Couldn't get web-ifc from peer dependencies in openbim-components. Set wasm settings manually.\");\r\n        }\r\n        else {\r\n            const webIfcVer = componentsPackageJSON.peerDependencies[\"web-ifc\"];\r\n            this.settings.wasm.path = `https://unpkg.com/web-ifc@${webIfcVer}/`;\r\n            this.settings.wasm.absolute = true;\r\n        }\r\n    }\r\n}\r\nFragmentIfcLoader.uuid = \"a659add7-1418-4771-a0d6-7d4d438e4624\";\r\nToolComponent.libraryUUIDs.add(FragmentIfcLoader.uuid);\r\n//# sourceMappingURL=index.js.map","import * as THREE from \"three\";\r\nimport * as FRAGS from \"bim-fragment\";\r\nimport { Alignment } from \"bim-fragment\";\r\nexport class CivilReader {\r\n    constructor() {\r\n        this.defLineMat = new THREE.LineBasicMaterial({ color: 0xffffff });\r\n    }\r\n    read(webIfc) {\r\n        const IfcAlignment = webIfc.GetAllAlignments(0);\r\n        const IfcCrossSection2D = webIfc.GetAllCrossSections2D(0);\r\n        const IfcCrossSection3D = webIfc.GetAllCrossSections3D(0);\r\n        const civilItems = {\r\n            IfcAlignment,\r\n            IfcCrossSection2D,\r\n            IfcCrossSection3D,\r\n        };\r\n        return this.get(civilItems);\r\n    }\r\n    get(civilItems) {\r\n        if (civilItems.IfcAlignment) {\r\n            const alignments = new Map();\r\n            for (const ifcAlign of civilItems.IfcAlignment) {\r\n                const alignment = new Alignment();\r\n                alignment.absolute = this.getCurves(ifcAlign.curve3D, alignment);\r\n                alignment.horizontal = this.getCurves(ifcAlign.horizontal, alignment);\r\n                alignment.vertical = this.getCurves(ifcAlign.vertical, alignment);\r\n                alignments.set(alignments.size, alignment);\r\n            }\r\n            return { alignments, coordinationMatrix: new THREE.Matrix4() };\r\n        }\r\n        return undefined;\r\n    }\r\n    getCurves(ifcAlignData, alignment) {\r\n        const curves = [];\r\n        let index = 0;\r\n        for (const curve of ifcAlignData) {\r\n            const data = {};\r\n            if (curve.data) {\r\n                for (const entry of curve.data) {\r\n                    const [key, value] = entry.split(\": \");\r\n                    const numValue = parseFloat(value);\r\n                    data[key] = numValue || value;\r\n                }\r\n            }\r\n            const { points } = curve;\r\n            const array = new Float32Array(points.length * 3);\r\n            for (let i = 0; i < points.length; i++) {\r\n                const { x, y, z } = points[i];\r\n                array[i * 3] = x;\r\n                array[i * 3 + 1] = y;\r\n                array[i * 3 + 2] = z || 0;\r\n            }\r\n            const attr = new THREE.BufferAttribute(array, 3);\r\n            const geometry = new THREE.EdgesGeometry();\r\n            geometry.setAttribute(\"position\", attr);\r\n            const mesh = new FRAGS.CurveMesh(index, data, alignment, geometry, this.defLineMat);\r\n            curves.push(mesh.curve);\r\n            index++;\r\n        }\r\n        return curves;\r\n    }\r\n}\r\n//# sourceMappingURL=civil-reader.js.map","export class IfcMetadataReader {\r\n    get(webIfc, type) {\r\n        let description = \"\";\r\n        const descriptionData = webIfc.GetHeaderLine(0, type) || \"\";\r\n        if (!descriptionData)\r\n            return description;\r\n        for (const arg of descriptionData.arguments) {\r\n            if (arg === null || arg === undefined) {\r\n                continue;\r\n            }\r\n            if (Array.isArray(arg)) {\r\n                for (const subArg of arg) {\r\n                    description += `${subArg.value}|`;\r\n                }\r\n            }\r\n            else {\r\n                description += `${arg.value}|`;\r\n            }\r\n        }\r\n        return description;\r\n    }\r\n}\r\n//# sourceMappingURL=ifc-metadata-reader.js.map","import * as WEBIFC from \"web-ifc\";\r\n/** Configuration of the IFC-fragment conversion. */\r\nexport class IfcFragmentSettings {\r\n    constructor() {\r\n        /** Whether to extract the IFC properties into a JSON. */\r\n        this.includeProperties = true;\r\n        /**\r\n         * Generate the geometry for categories that are not included by default,\r\n         * like IFCSPACE.\r\n         */\r\n        this.optionalCategories = [WEBIFC.IFCSPACE];\r\n        /** Whether to use the coordination data coming from the IFC files. */\r\n        this.coordinate = true;\r\n        /** Path of the WASM for [web-ifc](https://github.com/ThatOpen/engine_web-ifc). */\r\n        this.wasm = {\r\n            path: \"\",\r\n            absolute: false,\r\n            logLevel: WEBIFC.LogLevel.LOG_LEVEL_OFF,\r\n        };\r\n        /** List of categories that won't be converted to fragments. */\r\n        this.excludedCategories = new Set();\r\n        /** Whether to save the absolute location of all IFC items. */\r\n        this.saveLocations = false;\r\n        /** Loader settings for [web-ifc](https://github.com/ThatOpen/engine_web-ifc). */\r\n        this.webIfc = {\r\n            COORDINATE_TO_ORIGIN: true,\r\n            OPTIMIZE_PROFILES: true,\r\n        };\r\n        this.autoSetWasm = true;\r\n        this.customLocateFileHandler = null;\r\n    }\r\n}\r\n//# sourceMappingURL=ifc-fragment-settings.js.map","import * as WEBIFC from \"web-ifc\";\r\nimport * as THREE from \"three\";\r\nexport class Units {\r\n    constructor() {\r\n        this.factor = 1;\r\n        this.complement = 1;\r\n    }\r\n    apply(matrix) {\r\n        const scale = this.getScaleMatrix();\r\n        const result = scale.multiply(matrix);\r\n        matrix.copy(result);\r\n    }\r\n    setUp(webIfc) {\r\n        this.factor = 1;\r\n        const length = this.getLengthUnits(webIfc);\r\n        if (!length) {\r\n            return;\r\n        }\r\n        const isLengthNull = length === undefined || length === null;\r\n        const isValueNull = length.Name === undefined || length.Name === null;\r\n        if (isLengthNull || isValueNull) {\r\n            return;\r\n        }\r\n        if (length.Name.value === \"FOOT\") {\r\n            this.factor = 0.3048;\r\n        }\r\n        else if (length.Prefix?.value === \"MILLI\") {\r\n            this.complement = 0.001;\r\n        }\r\n    }\r\n    getLengthUnits(webIfc) {\r\n        try {\r\n            const allUnitsAssigns = webIfc.GetLineIDsWithType(0, WEBIFC.IFCUNITASSIGNMENT);\r\n            const unitsAssign = allUnitsAssigns.get(0);\r\n            const unitsAssignProps = webIfc.GetLine(0, unitsAssign);\r\n            for (const units of unitsAssignProps.Units) {\r\n                if (!units || units.value === null || units.value === undefined) {\r\n                    continue;\r\n                }\r\n                const unitsProps = webIfc.GetLine(0, units.value);\r\n                if (unitsProps.UnitType && unitsProps.UnitType.value === \"LENGTHUNIT\") {\r\n                    return unitsProps;\r\n                }\r\n            }\r\n            return null;\r\n        }\r\n        catch (e) {\r\n            console.log(\"Could not get units\");\r\n            return null;\r\n        }\r\n    }\r\n    getScaleMatrix() {\r\n        const f = this.factor;\r\n        // prettier-ignore\r\n        return new THREE.Matrix4().fromArray([\r\n            f, 0, 0, 0,\r\n            0, f, 0, 0,\r\n            0, 0, f, 0,\r\n            0, 0, 0, 1,\r\n        ]);\r\n    }\r\n}\r\n//# sourceMappingURL=units.js.map","import * as WEBIFC from \"web-ifc\";\r\nimport { Units } from \"./units\";\r\nexport class SpatialStructure {\r\n    constructor() {\r\n        this.itemsByFloor = {};\r\n        this._units = new Units();\r\n    }\r\n    // TODO: Maybe make this more flexible so that it also support more exotic spatial structures?\r\n    setUp(webIfc) {\r\n        this._units.setUp(webIfc);\r\n        this.cleanUp();\r\n        try {\r\n            const spatialRels = webIfc.GetLineIDsWithType(0, WEBIFC.IFCRELCONTAINEDINSPATIALSTRUCTURE);\r\n            const allRooms = new Set();\r\n            const rooms = webIfc.GetLineIDsWithType(0, WEBIFC.IFCSPACE);\r\n            for (let i = 0; i < rooms.size(); i++) {\r\n                allRooms.add(rooms.get(i));\r\n            }\r\n            // First add rooms (if any) to floors\r\n            const aggregates = webIfc.GetLineIDsWithType(0, WEBIFC.IFCRELAGGREGATES);\r\n            const aggregatesSize = aggregates.size();\r\n            for (let i = 0; i < aggregatesSize; i++) {\r\n                const id = aggregates.get(i);\r\n                const properties = webIfc.GetLine(0, id);\r\n                if (!properties ||\r\n                    !properties.RelatingObject ||\r\n                    !properties.RelatedObjects) {\r\n                    continue;\r\n                }\r\n                const parentID = properties.RelatingObject.value;\r\n                const childsIDs = properties.RelatedObjects;\r\n                for (const child of childsIDs) {\r\n                    const childID = child.value;\r\n                    if (allRooms.has(childID)) {\r\n                        this.itemsByFloor[childID] = parentID;\r\n                    }\r\n                }\r\n            }\r\n            // Now add items contained in floors and rooms\r\n            // If items contained in room, look for the floor where that room is and assign it to it\r\n            const itemsContainedInRooms = {};\r\n            const spatialRelsSize = spatialRels.size();\r\n            for (let i = 0; i < spatialRelsSize; i++) {\r\n                const id = spatialRels.get(i);\r\n                const properties = webIfc.GetLine(0, id);\r\n                if (!properties ||\r\n                    !properties.RelatingStructure ||\r\n                    !properties.RelatedElements) {\r\n                    continue;\r\n                }\r\n                const structureID = properties.RelatingStructure.value;\r\n                const relatedItems = properties.RelatedElements;\r\n                if (allRooms.has(structureID)) {\r\n                    for (const related of relatedItems) {\r\n                        if (!itemsContainedInRooms[structureID]) {\r\n                            itemsContainedInRooms[structureID] = [];\r\n                        }\r\n                        const id = related.value;\r\n                        itemsContainedInRooms[structureID].push(id);\r\n                    }\r\n                }\r\n                else {\r\n                    for (const related of relatedItems) {\r\n                        const id = related.value;\r\n                        this.itemsByFloor[id] = structureID;\r\n                    }\r\n                }\r\n            }\r\n            for (const roomID in itemsContainedInRooms) {\r\n                const roomFloor = this.itemsByFloor[roomID];\r\n                if (roomFloor !== undefined) {\r\n                    const items = itemsContainedInRooms[roomID];\r\n                    for (const item of items) {\r\n                        this.itemsByFloor[item] = roomFloor;\r\n                    }\r\n                }\r\n            }\r\n            // Finally, add nested items (e.g. elements of curtain walls)\r\n            for (let i = 0; i < aggregatesSize; i++) {\r\n                const id = aggregates.get(i);\r\n                const properties = webIfc.GetLine(0, id);\r\n                if (!properties ||\r\n                    !properties.RelatingObject ||\r\n                    !properties.RelatedObjects) {\r\n                    continue;\r\n                }\r\n                const parentID = properties.RelatingObject.value;\r\n                const childsIDs = properties.RelatedObjects;\r\n                for (const child of childsIDs) {\r\n                    const childID = child.value;\r\n                    const parentStructure = this.itemsByFloor[parentID];\r\n                    if (parentStructure !== undefined) {\r\n                        this.itemsByFloor[childID] = parentStructure;\r\n                    }\r\n                }\r\n            }\r\n        }\r\n        catch (e) {\r\n            console.log(\"Could not get floors.\");\r\n        }\r\n    }\r\n    cleanUp() {\r\n        this.itemsByFloor = {};\r\n    }\r\n}\r\n//# 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