import Check from "../Core/Check.js";
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import defaultValue from "../Core/defaultValue.js";
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import defined from "../Core/defined.js";
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/**
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* An object containing feature metadata.
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* <p>
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* See the {@link https://github.com/CesiumGS/glTF/tree/3d-tiles-next/extensions/2.0/Vendor/EXT_mesh_features|EXT_mesh_features Extension} as well as the
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* previous {@link https://github.com/CesiumGS/glTF/tree/3d-tiles-next/extensions/2.0/Vendor/EXT_feature_metadata|EXT_feature_metadata Extension} for glTF.
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* </p>
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*
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* @param {Object} options Object with the following properties:
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* @param {MetadataSchema} options.schema The parsed schema.
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* @param {PropertyTable[]} [options.propertyTables] An array of feature table objects. For the legacy <code>EXT_feature_metadata</code> extension, this is sorted by the key in the propertyTables dictionary
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* @param {PropertyTexture[]} [options.propertyTextures] An array of feature texture objects. For the legacy <code>EXT_feature_metadata</code> extension, this is sorted by the key in the propertyTextures dictionary
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* @param {Object} [options.statistics] Statistics about metadata
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* @param {Object} [options.extras] Extra user-defined properties
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* @param {Object} [options.extensions] An object containing extensions
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*
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* @alias FeatureMetadata
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* @constructor
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*
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* @private
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* @experimental This feature is using part of the 3D Tiles spec that is not final and is subject to change without Cesium's standard deprecation policy.
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*/
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function FeatureMetadata(options) {
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options = defaultValue(options, defaultValue.EMPTY_OBJECT);
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//>>includeStart('debug', pragmas.debug);
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Check.typeOf.object("options.schema", options.schema);
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//>>includeEnd('debug');
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this._schema = options.schema;
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var propertyTables = options.propertyTables;
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this._propertyTableCount = defined(propertyTables)
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? propertyTables.length
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: 0;
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this._propertyTables = propertyTables;
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this._propertyTextures = options.propertyTextures;
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this._statistics = options.statistics;
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this._extras = options.extras;
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this._extensions = options.extensions;
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}
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Object.defineProperties(FeatureMetadata.prototype, {
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/**
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* Schema containing classes and enums.
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*
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* @memberof FeatureMetadata.prototype
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* @type {MetadataSchema}
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* @readonly
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* @private
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*/
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schema: {
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get: function () {
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return this._schema;
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},
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},
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/**
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* Statistics about the metadata.
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* <p>
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* See the {@link https://github.com/CesiumGS/glTF/blob/3d-tiles-next/extensions/2.0/Vendor/EXT_feature_metadata/schema/statistics.schema.json|statistics schema reference} for the full set of properties.
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* </p>
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*
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* @memberof FeatureMetadata.prototype
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* @type {Object}
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* @readonly
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* @private
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*/
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statistics: {
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get: function () {
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return this._statistics;
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},
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},
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/**
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* Extras in the JSON object.
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*
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* @memberof FeatureMetadata.prototype
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* @type {*}
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* @readonly
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* @private
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*/
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extras: {
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get: function () {
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return this._extras;
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},
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},
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/**
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* Extensions in the JSON object.
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*
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* @memberof FeatureMetadata.prototype
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* @type {Object}
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* @readonly
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* @private
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*/
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extensions: {
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get: function () {
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return this._extensions;
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},
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},
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/**
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* Number of feature tables in the metadata.
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*
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* @memberof FeatureMetadata.prototype
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* @type {Number}
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* @readonly
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* @private
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*/
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propertyTableCount: {
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get: function () {
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return this._propertyTableCount;
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},
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},
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/**
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* The feature tables in the metadata.
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*
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* @memberof FeatureMetadata.prototype
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* @type {PropertyTable[]}
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* @readonly
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* @private
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*/
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propertyTables: {
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get: function () {
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return this._propertyTables;
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},
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},
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});
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/**
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* Gets the feature table with the given ID.
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* <p>
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* For the legacy <code>EXT_feature_metadata</code>, textures are stored in an array sorted
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* by the key in the propertyTables dictionary.
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* </p>
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*
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* @param {Number} propertyTableId The feature table ID.
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* @returns {PropertyTable} The feature table.
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* @private
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*/
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FeatureMetadata.prototype.getPropertyTable = function (propertyTableId) {
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//>>includeStart('debug', pragmas.debug);
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Check.typeOf.number("propertyTableId", propertyTableId);
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//>>includeEnd('debug');
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return this._propertyTables[propertyTableId];
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};
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/**
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* Gets the feature texture with the given ID.
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* <p>
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* For the legacy <code>EXT_feature_metadata</code>, textures are stored in an array sorted
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* by the key in the propertyTextures dictionary.
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* </p>
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*
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* @param {Number} propertyTextureId The index into the feature textures array.
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* @returns {PropertyTexture} The feature texture.
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* @private
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*/
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FeatureMetadata.prototype.getPropertyTexture = function (propertyTextureId) {
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//>>includeStart('debug', pragmas.debug);
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Check.typeOf.number("propertyTextureId", propertyTextureId);
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//>>includeEnd('debug');
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return this._propertyTextures[propertyTextureId];
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};
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export default FeatureMetadata;
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