/
Tileset3DTileContent.js
220 lines (194 loc) · 5.49 KB
/
Tileset3DTileContent.js
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define([
'../Core/defaultValue',
'../Core/defineProperties',
'../Core/destroyObject',
'../Core/getStringFromTypedArray',
'../Core/RuntimeError',
'../ThirdParty/when'
], function(
defaultValue,
defineProperties,
destroyObject,
getStringFromTypedArray,
RuntimeError,
when) {
'use strict';
/**
* Represents content for a tile in a
* {@link https://github.com/AnalyticalGraphicsInc/3d-tiles/blob/master/README.md|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, url, arrayBuffer, byteOffset) {
this._tileset = tileset;
this._tile = tile;
this._url = url;
this._readyPromise = when.defer();
/**
* @inheritdoc Cesium3DTileContent#featurePropertiesDirty
*/
this.featurePropertiesDirty = false;
initialize(this, arrayBuffer, byteOffset);
}
defineProperties(Tileset3DTileContent.prototype, {
/**
* @inheritdoc Cesium3DTileContent#featuresLength
*/
featuresLength : {
get : function() {
return 0;
}
},
/**
* @inheritdoc Cesium3DTileContent#pointsLength
*/
pointsLength : {
get : function() {
return 0;
}
},
/**
* @inheritdoc Cesium3DTileContent#trianglesLength
*/
trianglesLength : {
get : function() {
return 0;
}
},
/**
* @inheritdoc Cesium3DTileContent#geometryByteLength
*/
geometryByteLength : {
get : function() {
return 0;
}
},
/**
* @inheritdoc Cesium3DTileContent#texturesByteLength
*/
texturesByteLength : {
get : function() {
return 0;
}
},
/**
* @inheritdoc Cesium3DTileContent#batchTableByteLength
*/
batchTableByteLength : {
get : function() {
return 0;
}
},
/**
* @inheritdoc Cesium3DTileContent#innerContents
*/
innerContents : {
get : function() {
return undefined;
}
},
/**
* @inheritdoc Cesium3DTileContent#readyPromise
*/
readyPromise : {
get : function() {
return this._readyPromise.promise;
}
},
/**
* @inheritdoc Cesium3DTileContent#tileset
*/
tileset : {
get : function() {
return this._tileset;
}
},
/**
* @inheritdoc Cesium3DTileContent#tile
*/
tile : {
get : function() {
return this._tile;
}
},
/**
* @inheritdoc Cesium3DTileContent#url
*/
url : {
get : function() {
return this._url;
}
},
/**
* @inheritdoc Cesium3DTileContent#batchTable
*/
batchTable : {
get : function() {
return undefined;
}
}
});
function initialize(content, arrayBuffer, byteOffset) {
byteOffset = defaultValue(byteOffset, 0);
var uint8Array = new Uint8Array(arrayBuffer);
var jsonString = getStringFromTypedArray(uint8Array, byteOffset);
var tilesetJson;
try {
tilesetJson = JSON.parse(jsonString);
} catch (error) {
content._readyPromise.reject(new RuntimeError('Invalid tile content.'));
return;
}
content._tileset.loadTileset(content._url, tilesetJson, content._tile);
content._readyPromise.resolve(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;
};
/**
* @inheritdoc Cesium3DTileContent#applyDebugSettings
*/
Tileset3DTileContent.prototype.applyDebugSettings = function(enabled, color) {
};
/**
* @inheritdoc Cesium3DTileContent#applyStyle
*/
Tileset3DTileContent.prototype.applyStyle = function(frameState, style) {
};
/**
* @inheritdoc Cesium3DTileContent#update
*/
Tileset3DTileContent.prototype.update = function(tileset, frameState) {
};
/**
* @inheritdoc Cesium3DTileContent#isDestroyed
*/
Tileset3DTileContent.prototype.isDestroyed = function() {
return false;
};
/**
* @inheritdoc Cesium3DTileContent#destroy
*/
Tileset3DTileContent.prototype.destroy = function() {
return destroyObject(this);
};
return Tileset3DTileContent;
});