mirror of
https://github.com/demostf/demo.js
synced 2026-06-04 00:54:14 +02:00
datatables wip
This commit is contained in:
Robin Appelman
parent
40877ddaf1
commit
9cb24b9a74
5 changed files with 101 additions and 65 deletions
15
datatable.js
Normal file
15
datatable.js
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@ -0,0 +1,15 @@
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var DataTable = function (type, tick, stream, length) {
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this.type = type;
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this.tick = tick;
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this.stream = stream;
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this.length = length;//length in bytes
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};
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DataTable.prototype.parse = function () {
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//while (this.stream.byteIndex < this.length) {
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//console.log(this.stream.readASCIIString());
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//}
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return [];
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};
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module.exports = DataTable;
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85
packet.js
85
packet.js
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@ -1,5 +1,6 @@
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var ParserGenerator = require('./parsergenerator');
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var StringTable = require('./stringtable');
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var PacketStringTable = require('./packetstringtable');
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function logBase2 (num) {
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var result = 0;
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@ -44,7 +45,6 @@ Packet.parseGameEvent = function (eventId, stream) {
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return 'unknown';
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}
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var eventDescription = this.gameEventMap[eventId];
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//console.log(eventDescription);
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var values = {};
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for (var i = 0; i < eventDescription.entries.length; i++) {
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var entry = eventDescription.entries[i];
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@ -72,7 +72,9 @@ Packet.getGameEventValue = function (stream, entry) {
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case 6:
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return !!stream.readBits(1);
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case 7:
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return 'local value'
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return 'local value';
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default:
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throw 'invalid game event type';
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}
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};
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@ -127,7 +129,7 @@ Packet.parsers = {
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// https://coldemoplayer.googlecode.com/svn/branches/2.0/code/plugins/CDP.Source/Messages/SvcCreateStringTable.cs
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var name = stream.readASCIIString();
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var maxEntries = stream.readBits(16);
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var bits = Math.log(maxEntries) / Math.LN2;
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var bits = logBase2(maxEntries);
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var numEntries = stream.readBits(bits + 1);
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var length = stream.readBits(20);
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var userDataFixedSize = !!stream.readBits(1);
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@ -140,12 +142,32 @@ Packet.parsers = {
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var stringTable = new PacketStringTable(name, maxEntries, bits, userDataFixedSize, userSize || -1, userDataBits || -1, numEntries);
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stringTable.parse(stream);
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//console.log(stringTable);
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//console.log(stream.readBits(6));
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//console.log(stream.readASCIIString());
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//maxEntries = stream.readBits(16);
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//console.log(maxEntries);
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//bits = logBase2(maxEntries);
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//numEntries = stream.readBits(bits + 1);
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//console.log('entries: ' + numEntries);
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//console.log(stream.readBits(175));
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//for (var i = 0; i < numEntries; i++) {
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// console.log(stream.readBits(6));
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// console.log(stream.readASCIIString());
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//}
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//console.log(stream.readASCIIString());
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//console.log(stream.readASCIIString());
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//console.log();
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//console.log(length);
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//console.log(end - stream._index);
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//console.log();
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//throw false;
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//if((end/8)> 50515){
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// console.log(stringTable);
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// throw 'found';
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//}
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//throw false;
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stream._index = end;
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return {
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packetType: 'createStringTable',
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@ -195,8 +217,8 @@ Packet.parsers = {
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strings: strings
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}
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},
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14: ParserGenerator.make('voiceInit', 'coded{s}quality{8}'),
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15: ParserGenerator.make('voiceData', 'client{8}proximity{8}length{16}data{$length}'),
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14: ParserGenerator.make('voiceInit', 'codec{s}quality{8}'),
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15: ParserGenerator.make('voiceData', 'client{8}proximity{8}length{16}_{$length}'),
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17: function (stream) {
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var reliable = !!stream.readBits(1);
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var num = (reliable) ? 1 : stream.readBits(8);
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@ -269,6 +291,8 @@ Packet.parsers = {
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type: type
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}
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}
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console.log(result);
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console.log(((pos + length) - stream._index) + ' bits left');
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stream._index = pos + length;
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return result;
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},
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@ -285,6 +309,7 @@ Packet.parsers = {
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}
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},
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26: function (stream) {
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// todo
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var maxEntries = stream.readBits(11);
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var isDelta = !!stream.readBits(1);
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if (isDelta) {
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@ -412,54 +437,4 @@ var UserMessageType = {
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HapMeleeContact: 57
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};
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var PacketStringTable = function (name, maxEntries, entryBits, userDataFixedSize, userDataSize, userDataSizeBits, numEntries) {
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this.name = name;
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this.maxEntries = maxEntries;
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this.entryBits = entryBits;
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this.userDataFixedSize = userDataFixedSize;
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this.userDataSize = userDataSize;
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this.userDataSizeBits = userDataSizeBits;
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this.numEntries = numEntries;
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this.id = PacketStringTable.tables.length;
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this.strings = [];
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PacketStringTable.tables.push(this);
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};
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PacketStringTable.prototype.parse = function (stream) {
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var entryIndex, lastEntry = -1;
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for (var i = 0; i < this.numEntries; i++) {
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entryIndex = lastEntry + 1;
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this.strings.push(stream.readASCIIString());
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//if (!stream.readBits(1)) {
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// entryIndex = stream.readBits(this.entryBits);
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//}
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//lastEntry = entryIndex;
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//if (entryIndex < 0 || entryIndex >= this.maxEntries) {
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// throw 'invalid index';
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//}
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//var string = '';
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//if (stream.readBits(1)) {
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// if (stream.readBits(1)) {
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// throw 'substr not implented';
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// } else {
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// string = stream.readASCIIString();
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// }
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//}
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if (stream.readBits(1)) { //user data
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if (this.userDataFixedSize) {
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var userData = stream.readBits(this.userDataSizeBits)
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} else {
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var bits = stream.readBits(14);
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userData = stream.readBits(bits);
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}
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console.log('userdata: ' + userData);
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}
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//this.strings.push(string);
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}
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};
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PacketStringTable.tables = [];
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module.exports = Packet;
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51
packetstringtable.js
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51
packetstringtable.js
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@ -0,0 +1,51 @@
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var PacketStringTable = function (name, maxEntries, entryBits, userDataFixedSize, userDataSize, userDataSizeBits, numEntries) {
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this.name = name;
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this.maxEntries = maxEntries;
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this.entryBits = entryBits;
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this.userDataFixedSize = userDataFixedSize;
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this.userDataSize = userDataSize;
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this.userDataSizeBits = userDataSizeBits;
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this.numEntries = numEntries;
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this.id = PacketStringTable.tables.length;
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this.strings = [];
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PacketStringTable.tables.push(this);
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};
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PacketStringTable.prototype.parse = function (stream) {
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var entryIndex, lastEntry = -1;
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for (var i = 0; i < this.numEntries; i++) {
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entryIndex = lastEntry + 1;
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this.strings.push(stream.readASCIIString());
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//if (!stream.readBits(1)) {
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// entryIndex = stream.readBits(this.entryBits);
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//}
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//lastEntry = entryIndex;
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//if (entryIndex < 0 || entryIndex >= this.maxEntries) {
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// throw 'invalid index';
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//}
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//var string = '';
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//if (stream.readBits(1)) {
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// if (stream.readBits(1)) {
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// throw 'substr not implented';
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// } else {
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// string = stream.readASCIIString();
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// }
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//}
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if (stream.readBits(1)) { //user data
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if (this.userDataFixedSize) {
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var userData = stream.readBits(this.userDataSizeBits)
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} else {
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var bits = stream.readBits(14);
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userData = stream.readBits(bits);
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}
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console.log('userdata: ' + userData);
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}
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//this.strings.push(string);
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}
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};
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PacketStringTable.tables = [];
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module.exports = PacketStringTable;
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@ -1,6 +1,7 @@
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var Packet = require('./packet');
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var ConsoleCmd = require('./consolecmd');
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var StringTable = require('./stringtable');
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var DataTable = require('./datatable');
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var BitStream = require('bit-buffer').BitStream;
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var Parser = function (steam) {
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@ -136,10 +137,10 @@ Parser.prototype.readMessage = function () {
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case Parser.MessageType.ConsoleCmd:
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return new ConsoleCmd(type, tick, data, length);
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case Parser.MessageType.UserCmd:
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console.log('usercmd');
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return true;
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case Parser.MessageType.DataTables:
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//console.log('datatable');
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return true;
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return new DataTable(type, tick, data, length);
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case Parser.MessageType.StringTables:
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return new StringTable(type, tick, data, length);
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default:
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10
test.js
10
test.js
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@ -7,12 +7,6 @@ fs.readFile("gully.dem", function (err, data) {
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var parser = demo.getParser();
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var head = parser.readHeader();
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//console.log(parser.readHeader());
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//var message;
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//parser.parseBody()
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console.log(parser.parseBody());
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//while (message = parser.readMessage()) {
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// if (message.parse) {
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// message.parse();
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// }
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//}
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parser.parseBody()
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//console.log(parser.parseBody());
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});
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