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- define(['./when-8d13db60', './Check-70bec281', './RuntimeError-ba10bc3e', './createTaskProcessorWorker', './pako_inflate-8ea163f9'], function (when, Check, RuntimeError, createTaskProcessorWorker, pako_inflate) { 'use strict';
- var compressedMagic = 0x7468dead;
- var compressedMagicSwap = 0xadde6874;
-
- function decodeGoogleEarthEnterpriseData(key, data) {
- if (decodeGoogleEarthEnterpriseData.passThroughDataForTesting) {
- return data;
- }
-
- Check.Check.typeOf.object('key', key);
- Check.Check.typeOf.object('data', data);
-
- var keyLength = key.byteLength;
- if (keyLength === 0 || (keyLength % 4) !== 0) {
- throw new RuntimeError.RuntimeError('The length of key must be greater than 0 and a multiple of 4.');
- }
- var dataView = new DataView(data);
- var magic = dataView.getUint32(0, true);
- if (magic === compressedMagic || magic === compressedMagicSwap) {
-
- return data;
- }
- var keyView = new DataView(key);
- var dp = 0;
- var dpend = data.byteLength;
- var dpend64 = dpend - (dpend % 8);
- var kpend = keyLength;
- var kp;
- var off = 8;
-
-
-
-
- while (dp < dpend64) {
-
- off = (off + 8) % 24;
- kp = off;
-
-
- while ((dp < dpend64) && (kp < kpend)) {
- dataView.setUint32(dp, dataView.getUint32(dp, true) ^ keyView.getUint32(kp, true), true);
- dataView.setUint32(dp + 4, dataView.getUint32(dp + 4, true) ^ keyView.getUint32(kp + 4, true), true);
- dp += 8;
- kp += 24;
- }
- }
-
- if (dp < dpend) {
- if (kp >= kpend) {
-
- off = (off + 8) % 24;
- kp = off;
- }
- while (dp < dpend) {
- dataView.setUint8(dp, dataView.getUint8(dp) ^ keyView.getUint8(kp));
- dp++;
- kp++;
- }
- }
- }
- decodeGoogleEarthEnterpriseData.passThroughDataForTesting = false;
-
- function isBitSet(bits, mask) {
- return ((bits & mask) !== 0);
- }
-
- var childrenBitmasks = [0x01, 0x02, 0x04, 0x08];
- var anyChildBitmask = 0x0F;
- var cacheFlagBitmask = 0x10;
- var imageBitmask = 0x40;
- var terrainBitmask = 0x80;
-
- function GoogleEarthEnterpriseTileInformation(bits, cnodeVersion, imageryVersion, terrainVersion, imageryProvider, terrainProvider) {
- this._bits = bits;
- this.cnodeVersion = cnodeVersion;
- this.imageryVersion = imageryVersion;
- this.terrainVersion = terrainVersion;
- this.imageryProvider = imageryProvider;
- this.terrainProvider = terrainProvider;
- this.ancestorHasTerrain = false;
- this.terrainState = undefined;
- }
-
- GoogleEarthEnterpriseTileInformation.clone = function(info, result) {
- if (!when.defined(result)) {
- result = new GoogleEarthEnterpriseTileInformation(info._bits, info.cnodeVersion, info.imageryVersion, info.terrainVersion,
- info.imageryProvider, info.terrainProvider);
- } else {
- result._bits = info._bits;
- result.cnodeVersion = info.cnodeVersion;
- result.imageryVersion = info.imageryVersion;
- result.terrainVersion = info.terrainVersion;
- result.imageryProvider = info.imageryProvider;
- result.terrainProvider = info.terrainProvider;
- }
- result.ancestorHasTerrain = info.ancestorHasTerrain;
- result.terrainState = info.terrainState;
- return result;
- };
-
- GoogleEarthEnterpriseTileInformation.prototype.setParent = function(parent) {
- this.ancestorHasTerrain = parent.ancestorHasTerrain || this.hasTerrain();
- };
-
- GoogleEarthEnterpriseTileInformation.prototype.hasSubtree = function() {
- return isBitSet(this._bits, cacheFlagBitmask);
- };
-
- GoogleEarthEnterpriseTileInformation.prototype.hasImagery = function() {
- return isBitSet(this._bits, imageBitmask);
- };
-
- GoogleEarthEnterpriseTileInformation.prototype.hasTerrain = function() {
- return isBitSet(this._bits, terrainBitmask);
- };
-
- GoogleEarthEnterpriseTileInformation.prototype.hasChildren = function() {
- return isBitSet(this._bits, anyChildBitmask);
- };
-
- GoogleEarthEnterpriseTileInformation.prototype.hasChild = function(index) {
- return isBitSet(this._bits, childrenBitmasks[index]);
- };
-
- GoogleEarthEnterpriseTileInformation.prototype.getChildBitmask = function() {
- return this._bits & anyChildBitmask;
- };
-
- var sizeOfUint16 = Uint16Array.BYTES_PER_ELEMENT;
- var sizeOfInt32 = Int32Array.BYTES_PER_ELEMENT;
- var sizeOfUint32 = Uint32Array.BYTES_PER_ELEMENT;
- var Types = {
- METADATA : 0,
- TERRAIN : 1,
- DBROOT : 2
- };
- Types.fromString = function(s) {
- if (s === 'Metadata') {
- return Types.METADATA;
- } else if (s === 'Terrain') {
- return Types.TERRAIN;
- } else if (s === 'DbRoot') {
- return Types.DBROOT;
- }
- };
- function decodeGoogleEarthEnterprisePacket(parameters, transferableObjects) {
- var type = Types.fromString(parameters.type);
- var buffer = parameters.buffer;
- decodeGoogleEarthEnterpriseData(parameters.key, buffer);
- var uncompressedTerrain = uncompressPacket(buffer);
- buffer = uncompressedTerrain.buffer;
- var length = uncompressedTerrain.length;
- switch (type) {
- case Types.METADATA:
- return processMetadata(buffer, length, parameters.quadKey);
- case Types.TERRAIN:
- return processTerrain(buffer, length, transferableObjects);
- case Types.DBROOT:
- transferableObjects.push(buffer);
- return {
- buffer : buffer
- };
- }
- }
- var qtMagic = 32301;
- function processMetadata(buffer, totalSize, quadKey) {
- var dv = new DataView(buffer);
- var offset = 0;
- var magic = dv.getUint32(offset, true);
- offset += sizeOfUint32;
- if (magic !== qtMagic) {
- throw new RuntimeError.RuntimeError('Invalid magic');
- }
- var dataTypeId = dv.getUint32(offset, true);
- offset += sizeOfUint32;
- if (dataTypeId !== 1) {
- throw new RuntimeError.RuntimeError('Invalid data type. Must be 1 for QuadTreePacket');
- }
-
- var quadVersion = dv.getUint32(offset, true);
- offset += sizeOfUint32;
- if (quadVersion !== 2) {
- throw new RuntimeError.RuntimeError('Invalid QuadTreePacket version. Only version 2 is supported.');
- }
- var numInstances = dv.getInt32(offset, true);
- offset += sizeOfInt32;
- var dataInstanceSize = dv.getInt32(offset, true);
- offset += sizeOfInt32;
- if (dataInstanceSize !== 32) {
- throw new RuntimeError.RuntimeError('Invalid instance size.');
- }
- var dataBufferOffset = dv.getInt32(offset, true);
- offset += sizeOfInt32;
- var dataBufferSize = dv.getInt32(offset, true);
- offset += sizeOfInt32;
- var metaBufferSize = dv.getInt32(offset, true);
- offset += sizeOfInt32;
-
- if (dataBufferOffset !== (numInstances * dataInstanceSize + offset)) {
- throw new RuntimeError.RuntimeError('Invalid dataBufferOffset');
- }
-
- if (dataBufferOffset + dataBufferSize + metaBufferSize !== totalSize) {
- throw new RuntimeError.RuntimeError('Invalid packet offsets');
- }
-
- var instances = [];
- for (var i = 0; i < numInstances; ++i) {
- var bitfield = dv.getUint8(offset);
- ++offset;
- ++offset;
- var cnodeVersion = dv.getUint16(offset, true);
- offset += sizeOfUint16;
- var imageVersion = dv.getUint16(offset, true);
- offset += sizeOfUint16;
- var terrainVersion = dv.getUint16(offset, true);
- offset += sizeOfUint16;
-
- offset += sizeOfUint16;
- offset += sizeOfUint16;
-
- offset += sizeOfInt32;
-
- offset += sizeOfInt32;
- offset += 8;
-
- var imageProvider = dv.getUint8(offset++);
- var terrainProvider = dv.getUint8(offset++);
- offset += sizeOfUint16;
- instances.push(new GoogleEarthEnterpriseTileInformation(bitfield, cnodeVersion,
- imageVersion, terrainVersion, imageProvider, terrainProvider));
- }
- var tileInfo = [];
- var index = 0;
- function populateTiles(parentKey, parent, level) {
- var isLeaf = false;
- if (level === 4) {
- if (parent.hasSubtree()) {
- return;
- }
- isLeaf = true;
- }
- for (var i = 0; i < 4; ++i) {
- var childKey = parentKey + i.toString();
- if (isLeaf) {
-
- tileInfo[childKey] = null;
- } else if (level < 4) {
-
-
- if (!parent.hasChild(i)) {
- tileInfo[childKey] = null;
- } else {
- if (index === numInstances) {
- console.log('Incorrect number of instances');
- return;
- }
- var instance = instances[index++];
- tileInfo[childKey] = instance;
- populateTiles(childKey, instance, level + 1);
- }
- }
- }
- }
- var level = 0;
- var root = instances[index++];
- if (quadKey === '') {
-
- ++level;
- } else {
- tileInfo[quadKey] = root;
- }
- populateTiles(quadKey, root, level);
- return tileInfo;
- }
- function processTerrain(buffer, totalSize, transferableObjects) {
- var dv = new DataView(buffer);
- var offset = 0;
- var terrainTiles = [];
- while (offset < totalSize) {
-
- var tileStart = offset;
- for (var quad = 0; quad < 4; ++quad) {
- var size = dv.getUint32(offset, true);
- offset += sizeOfUint32;
- offset += size;
- }
- var tile = buffer.slice(tileStart, offset);
- transferableObjects.push(tile);
- terrainTiles.push(tile);
- }
- return terrainTiles;
- }
- var compressedMagic$1 = 0x7468dead;
- var compressedMagicSwap$1 = 0xadde6874;
- function uncompressPacket(data) {
-
-
-
-
-
- var dv = new DataView(data);
- var offset = 0;
- var magic = dv.getUint32(offset, true);
- offset += sizeOfUint32;
- if (magic !== compressedMagic$1 && magic !== compressedMagicSwap$1) {
- throw new RuntimeError.RuntimeError('Invalid magic');
- }
-
- var size = dv.getUint32(offset, (magic === compressedMagic$1));
- offset += sizeOfUint32;
- var compressedPacket = new Uint8Array(data, offset);
- var uncompressedPacket = pako_inflate.pako.inflate(compressedPacket);
- if (uncompressedPacket.length !== size) {
- throw new RuntimeError.RuntimeError('Size of packet doesn\'t match header');
- }
- return uncompressedPacket;
- }
- var decodeGoogleEarthEnterprisePacket$1 = createTaskProcessorWorker(decodeGoogleEarthEnterprisePacket);
- return decodeGoogleEarthEnterprisePacket$1;
- });
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