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class IfcAlignmentData {\r\n    constructor() {\r\n        this.coordinates = new Float32Array(0);\r\n        this.alignmentIndex = [];\r\n        this.curveIndex = [];\r\n    }\r\n    exportData() {\r\n        const { coordinates, alignmentIndex, curveIndex } = this;\r\n        return { coordinates, alignmentIndex, curveIndex };\r\n    }\r\n}\r\n//# sourceMappingURL=alignment.js.map","/**\r\n * Contains the logic to get, create and delete geometric subsets of an IFC model. For example,\r\n * this can extract all the items in a specific IfcBuildingStorey and create a new Mesh.\r\n */\r\nexport class Blocks {\r\n    get count() {\r\n        return this.ids.size;\r\n    }\r\n    constructor(fragment) {\r\n        this.fragment = fragment;\r\n        this._visibilityInitialized = false;\r\n        this._originalIndex = new Map();\r\n        this._idIndexIndexMap = {};\r\n        const rawIds = fragment.mesh.geometry.attributes.blockID.array;\r\n        this.ids = new Set(rawIds);\r\n        this.visibleIds = new Set(this.ids);\r\n    }\r\n    setVisibility(visible, itemIDs = new Set(this.fragment.items), isolate = false) {\r\n        const geometry = this.fragment.mesh.geometry;\r\n        const index = geometry.index;\r\n        if (!this._visibilityInitialized) {\r\n            this.initializeVisibility(index, geometry);\r\n        }\r\n        if (isolate) {\r\n            index.array.fill(0);\r\n        }\r\n        for (const id of itemIDs) {\r\n            const indices = this._idIndexIndexMap[id];\r\n            if (!indices)\r\n                continue;\r\n            for (const i of indices) {\r\n                const originalIndex = this._originalIndex.get(i);\r\n                if (originalIndex === undefined)\r\n                    continue;\r\n                const blockID = geometry.attributes.blockID.getX(originalIndex);\r\n                const itemID = this.fragment.items[blockID];\r\n                if (itemIDs.has(itemID)) {\r\n                    if (visible) {\r\n                        this.visibleIds.add(blockID);\r\n                    }\r\n                    else {\r\n                        this.visibleIds.delete(blockID);\r\n                    }\r\n                    const newIndex = visible ? originalIndex : 0;\r\n                    index.setX(i, newIndex);\r\n                }\r\n            }\r\n        }\r\n        index.needsUpdate = true;\r\n    }\r\n    initializeVisibility(index, geometry) {\r\n        for (let i = 0; i < index.count; i++) {\r\n            const foundIndex = index.getX(i);\r\n            this._originalIndex.set(i, foundIndex);\r\n            const blockID = geometry.attributes.blockID.getX(foundIndex);\r\n            const itemID = this.fragment.getItemID(0, blockID);\r\n            if (!this._idIndexIndexMap[itemID]) {\r\n                this._idIndexIndexMap[itemID] = [];\r\n            }\r\n            this._idIndexIndexMap[itemID].push(i);\r\n        }\r\n        this._visibilityInitialized = true;\r\n    }\r\n    // Use this only for destroying the current Fragment instance\r\n    dispose() {\r\n        this._idIndexIndexMap = {};\r\n        this.ids.clear();\r\n        this.visibleIds.clear();\r\n        this._originalIndex.clear();\r\n        this.ids = null;\r\n        this.visibleIds = null;\r\n        this._originalIndex = null;\r\n    }\r\n}\r\n//# sourceMappingURL=blocks.js.map","import { BufferGeometry, Mesh } from \"three\";\r\nimport { computeBoundsTree, disposeBoundsTree, acceleratedRaycast, } from \"three-mesh-bvh\";\r\n// Source: https://github.com/gkjohnson/three-mesh-bvh\r\nexport class BVH {\r\n    static apply(geometry) {\r\n        if (!BVH.initialized) {\r\n            BufferGeometry.prototype.computeBoundsTree = computeBoundsTree;\r\n            BufferGeometry.prototype.disposeBoundsTree = disposeBoundsTree;\r\n            Mesh.prototype.raycast = acceleratedRaycast;\r\n            BVH.initialized = true;\r\n        }\r\n        if (!geometry.boundsTree) {\r\n            geometry.computeBoundsTree();\r\n        }\r\n    }\r\n    static dispose(geometry) {\r\n        geometry.disposeBoundsTree();\r\n    }\r\n}\r\nBVH.initialized = false;\r\n//# sourceMappingURL=bvh.js.map","// automatically generated by the FlatBuffers compiler, do not modify\r\nimport * as flatbuffers from 'flatbuffers';\r\nexport class Alignment {\r\n    constructor() {\r\n        this.bb = null;\r\n        this.bb_pos = 0;\r\n    }\r\n    __init(i, bb) {\r\n        this.bb_pos = i;\r\n        this.bb = bb;\r\n        return this;\r\n    }\r\n    static getRootAsAlignment(bb, obj) {\r\n        return (obj || new Alignment()).__init(bb.readInt32(bb.position()) + bb.position(), bb);\r\n    }\r\n    static getSizePrefixedRootAsAlignment(bb, obj) {\r\n        bb.setPosition(bb.position() + flatbuffers.SIZE_PREFIX_LENGTH);\r\n        return (obj || new Alignment()).__init(bb.readInt32(bb.position()) + bb.position(), bb);\r\n    }\r\n    position(index) {\r\n        const offset = this.bb.__offset(this.bb_pos, 4);\r\n        return offset ? this.bb.readFloat32(this.bb.__vector(this.bb_pos + offset) + index * 4) : 0;\r\n    }\r\n    positionLength() {\r\n        const offset = this.bb.__offset(this.bb_pos, 4);\r\n        return offset ? this.bb.__vector_len(this.bb_pos + offset) : 0;\r\n    }\r\n    positionArray() {\r\n        const offset = this.bb.__offset(this.bb_pos, 4);\r\n        return offset ? new Float32Array(this.bb.bytes().buffer, this.bb.bytes().byteOffset + this.bb.__vector(this.bb_pos + offset), this.bb.__vector_len(this.bb_pos + offset)) : null;\r\n    }\r\n    curve(index) {\r\n        const offset = this.bb.__offset(this.bb_pos, 6);\r\n        return offset ? this.bb.readInt32(this.bb.__vector(this.bb_pos + offset) + index * 4) : 0;\r\n    }\r\n    curveLength() {\r\n        const offset = this.bb.__offset(this.bb_pos, 6);\r\n        return offset ? this.bb.__vector_len(this.bb_pos + offset) : 0;\r\n    }\r\n    curveArray() {\r\n        const offset = this.bb.__offset(this.bb_pos, 6);\r\n        return offset ? new Int32Array(this.bb.bytes().buffer, this.bb.bytes().byteOffset + this.bb.__vector(this.bb_pos + offset), this.bb.__vector_len(this.bb_pos + offset)) : null;\r\n    }\r\n    segment(index) {\r\n        const offset = this.bb.__offset(this.bb_pos, 8);\r\n        return offset ? this.bb.readInt32(this.bb.__vector(this.bb_pos + offset) + index * 4) : 0;\r\n    }\r\n    segmentLength() {\r\n        const offset = this.bb.__offset(this.bb_pos, 8);\r\n        return offset ? this.bb.__vector_len(this.bb_pos + offset) : 0;\r\n    }\r\n    segmentArray() {\r\n        const offset = this.bb.__offset(this.bb_pos, 8);\r\n        return offset ? new Int32Array(this.bb.bytes().buffer, this.bb.bytes().byteOffset + this.bb.__vector(this.bb_pos + offset), this.bb.__vector_len(this.bb_pos + offset)) : null;\r\n    }\r\n    static startAlignment(builder) {\r\n        builder.startObject(3);\r\n    }\r\n    static addPosition(builder, positionOffset) {\r\n        builder.addFieldOffset(0, positionOffset, 0);\r\n    }\r\n    static createPositionVector(builder, data) {\r\n        builder.startVector(4, data.length, 4);\r\n        for (let i = data.length - 1; i >= 0; i--) {\r\n            builder.addFloat32(data[i]);\r\n        }\r\n        return builder.endVector();\r\n    }\r\n    static startPositionVector(builder, numElems) {\r\n        builder.startVector(4, numElems, 4);\r\n    }\r\n    static addCurve(builder, curveOffset) {\r\n        builder.addFieldOffset(1, curveOffset, 0);\r\n    }\r\n    static createCurveVector(builder, data) {\r\n        builder.startVector(4, data.length, 4);\r\n        for (let i = data.length - 1; i >= 0; i--) {\r\n            builder.addInt32(data[i]);\r\n        }\r\n        return builder.endVector();\r\n    }\r\n    static startCurveVector(builder, numElems) {\r\n        builder.startVector(4, numElems, 4);\r\n    }\r\n    static addSegment(builder, segmentOffset) {\r\n        builder.addFieldOffset(2, segmentOffset, 0);\r\n    }\r\n    static createSegmentVector(builder, data) {\r\n        builder.startVector(4, data.length, 4);\r\n        for (let i = data.length - 1; i >= 0; i--) {\r\n            builder.addInt32(data[i]);\r\n        }\r\n        return builder.endVector();\r\n    }\r\n    static startSegmentVector(builder, numElems) {\r\n        builder.startVector(4, numElems, 4);\r\n    }\r\n    static endAlignment(builder) {\r\n        const offset = builder.endObject();\r\n        return offset;\r\n    }\r\n    static createAlignment(builder, positionOffset, curveOffset, segmentOffset) {\r\n        Alignment.startAlignment(builder);\r\n        Alignment.addPosition(builder, positionOffset);\r\n        Alignment.addCurve(builder, curveOffset);\r\n        Alignment.addSegment(builder, segmentOffset);\r\n        return Alignment.endAlignment(builder);\r\n    }\r\n}\r\n//# sourceMappingURL=alignment.js.map","// automatically generated by the FlatBuffers compiler, do not modify\r\nimport * as flatbuffers from 'flatbuffers';\r\nimport { Alignment } from '../../fragments/index/alignment.js';\r\nexport class Civil {\r\n    constructor() {\r\n        this.bb = null;\r\n        this.bb_pos = 0;\r\n    }\r\n    __init(i, bb) {\r\n        this.bb_pos = i;\r\n        this.bb = bb;\r\n        return this;\r\n    }\r\n    static getRootAsCivil(bb, obj) {\r\n        return (obj || new Civil()).__init(bb.readInt32(bb.position()) + bb.position(), bb);\r\n    }\r\n    static getSizePrefixedRootAsCivil(bb, obj) {\r\n        bb.setPosition(bb.position() + flatbuffers.SIZE_PREFIX_LENGTH);\r\n        return (obj || new Civil()).__init(bb.readInt32(bb.position()) + bb.position(), bb);\r\n    }\r\n    alignmentHorizontal(obj) {\r\n        const offset = this.bb.__offset(this.bb_pos, 4);\r\n        return offset ? (obj || new Alignment()).__init(this.bb.__indirect(this.bb_pos + offset), this.bb) : null;\r\n    }\r\n    alignmentVertical(obj) {\r\n        const offset = this.bb.__offset(this.bb_pos, 6);\r\n        return offset ? (obj || new Alignment()).__init(this.bb.__indirect(this.bb_pos + offset), this.bb) : null;\r\n    }\r\n    alignment3d(obj) {\r\n        const offset = this.bb.__offset(this.bb_pos, 8);\r\n        return offset ? (obj || new Alignment()).__init(this.bb.__indirect(this.bb_pos + offset), this.bb) : null;\r\n    }\r\n    static startCivil(builder) {\r\n        builder.startObject(3);\r\n    }\r\n    static addAlignmentHorizontal(builder, alignmentHorizontalOffset) {\r\n        builder.addFieldOffset(0, alignmentHorizontalOffset, 0);\r\n    }\r\n    static addAlignmentVertical(builder, alignmentVerticalOffset) {\r\n        builder.addFieldOffset(1, alignmentVerticalOffset, 0);\r\n    }\r\n    static addAlignment3d(builder, alignment3dOffset) {\r\n        builder.addFieldOffset(2, alignment3dOffset, 0);\r\n    }\r\n    static endCivil(builder) {\r\n        const offset = builder.endObject();\r\n        return offset;\r\n    }\r\n}\r\n//# sourceMappingURL=civil.js.map"],"names":["IfcAlignmentData","constructor","this","coordinates","Float32Array","alignmentIndex","curveIndex","exportData","Blocks","count","ids","size","fragment","_visibilityInitialized","_originalIndex","Map","_idIndexIndexMap","rawIds","mesh","geometry","attributes","blockID","array","Set","visibleIds","setVisibility","visible","itemIDs","items","isolate","index","initializeVisibility","fill","id","indices","i","originalIndex","get","undefined","getX","itemID","has","add","delete","newIndex","setX","needsUpdate","foundIndex","set","getItemID","push","dispose","clear","BVH","static","initialized","BufferGeometry","Mesh","boundsTree","computeBoundsTree","disposeBoundsTree","Alignment","bb","bb_pos","__init","obj","readInt32","position","setPosition","offset","__offset","readFloat32","__vector","positionLength","__vector_len","positionArray","bytes","buffer","byteOffset","curve","curveLength","curveArray","Int32Array","segment","segmentLength","segmentArray","builder","startObject","positionOffset","addFieldOffset","data","startVector","length","addFloat32","endVector","numElems","curveOffset","addInt32","segmentOffset","endObject","startAlignment","addPosition","addCurve","addSegment","endAlignment","Civil","alignmentHorizontal","__indirect","alignmentVertical","alignment3d","alignmentHorizontalOffset","alignmentVerticalOffset","alignment3dOffset"],"sourceRoot":""}