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/**
* Represents content for a tile in a
* {@link https://github.com/CesiumGS/3d-tiles/tree/main/specification|3D Tiles} tileset whose
* content points to another 3D Tiles tileset.
* <p>
* Implements the {@link Cesium3DTileContent} interface.
* </p>
*
* @alias Tileset3DTileContent
* @constructor
*
* @private
*/
function Tileset3DTileContent(tileset, tile, resource) {
this._tileset = tileset;
this._tile = tile;
this._resource = resource;
this.featurePropertiesDirty = false;
this._metadata = undefined;
this._group = undefined;
this._ready = false;
}
Object.defineProperties(Tileset3DTileContent.prototype, {
featuresLength: {
get: function () {
return 0;
},
},
pointsLength: {
get: function () {
return 0;
},
},
trianglesLength: {
get: function () {
return 0;
},
},
geometryByteLength: {
get: function () {
return 0;
},
},
texturesByteLength: {
get: function () {
return 0;
},
},
batchTableByteLength: {
get: function () {
return 0;
},
},
innerContents: {
get: function () {
return undefined;
},
},
/**
* Returns true when the tile's content is ready to render; otherwise false
*
* @memberof Tileset3DTileContent.prototype
*
* @type {boolean}
* @readonly
* @private
*/
ready: {
get: function () {
return this._ready;
},
},
tileset: {
get: function () {
return this._tileset;
},
},
tile: {
get: function () {
return this._tile;
},
},
url: {
get: function () {
return this._resource.getUrlComponent(true);
},
},
batchTable: {
get: function () {
return undefined;
},
},
metadata: {
get: function () {
return this._metadata;
},
set: function (value) {
this._metadata = value;
},
},
group: {
get: function () {
return this._group;
},
set: function (value) {
this._group = value;
},
},
});
/**
* Creates an instance of Tileset3DTileContent from a parsed JSON object
* @param {Cesium3DTileset} tileset
* @param {Cesium3DTile} tile
* @param {Resource} resource
* @param {object} json
* @returns {Tileset3DTileContent}
*/
Tileset3DTileContent.fromJson = function (tileset, tile, resource, json) {
const content = new Tileset3DTileContent(tileset, tile, resource);
content._tileset.loadTileset(content._resource, json, content._tile);
content._ready = true;
return content;
};
/**
* Part of the {@link Cesium3DTileContent} interface. <code>Tileset3DTileContent</code>
* always returns <code>false</code> since a tile of this type does not have any features.
*/
Tileset3DTileContent.prototype.hasProperty = function (batchId, name) {
return false;
};
/**
* Part of the {@link Cesium3DTileContent} interface. <code>Tileset3DTileContent</code>
* always returns <code>undefined</code> since a tile of this type does not have any features.
*/
Tileset3DTileContent.prototype.getFeature = function (batchId) {
return undefined;
};
Tileset3DTileContent.prototype.applyDebugSettings = function (
enabled,
color,
) {};
Tileset3DTileContent.prototype.applyStyle = function (style) {};
Tileset3DTileContent.prototype.update = function (tileset, frameState) {};
Tileset3DTileContent.prototype.pick = function (ray, frameState, result) {
return undefined;
};
Tileset3DTileContent.prototype.isDestroyed = function () {
return false;
};
Tileset3DTileContent.prototype.destroy = function () {
return destroyObject(this);
};
export default Tileset3DTileContent;
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