@loaders.gl/3d-tiles/dist/lib/encoders/encode-3d-tile.js

3D Tiles, an open standard for streaming massive heterogeneous 3D geospatial datasets.

// loaders.gl
// SPDX-License-Identifier: MIT AND Apache-2.0
// Copyright vis.gl contributors
// This file is derived from the Cesium code base under Apache 2 license
// See LICENSE.md and https://github.com/AnalyticalGraphicsInc/cesium/blob/master/LICENSE.md
import { TILE3D_TYPE } from "../constants.js";
import { assert } from '@loaders.gl/loader-utils';
import { encodeComposite3DTile } from "./encode-3d-tile-composite.js";
import { encodeBatchedModel3DTile } from "./encode-3d-tile-batched-model.js";
import { encodeInstancedModel3DTile } from "./encode-3d-tile-instanced-model.js";
import { encodePointCloud3DTile } from "./encode-3d-tile-point-cloud.js";
export default function encode3DTile(tile, options) {
    const byteLength = encode3DTileToDataView(tile, null, 0, options);
    const arrayBuffer = new ArrayBuffer(byteLength);
    const dataView = new DataView(arrayBuffer);
    encode3DTileToDataView(tile, dataView, 0, options);
    return arrayBuffer;
}
function encode3DTileToDataView(tile, dataView, byteOffset, options) {
    assert(typeof tile.type === 'string');
    switch (tile.type) {
        case TILE3D_TYPE.COMPOSITE:
            return encodeComposite3DTile(tile, dataView, byteOffset, options, encode3DTileToDataView);
        case TILE3D_TYPE.POINT_CLOUD:
            return encodePointCloud3DTile(tile, dataView, byteOffset, options);
        case TILE3D_TYPE.BATCHED_3D_MODEL:
            return encodeBatchedModel3DTile(tile, dataView, byteOffset, options);
        case TILE3D_TYPE.INSTANCED_3D_MODEL:
            return encodeInstancedModel3DTile(tile, dataView, byteOffset, options);
        default:
            throw new Error('3D Tiles: unknown tile type');
    }
}