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https://github.com/demostf/demo.js
synced 2026-06-03 16:44:12 +02:00
Add binary
This commit is contained in:
Robin Appelman
parent
7c8ad0cc36
commit
7402548783
7 changed files with 74 additions and 133 deletions
32
bin/analyse.js
Normal file
32
bin/analyse.js
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@ -0,0 +1,32 @@
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var Demo = require('../demo');
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var fs = require('fs');
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var argv = require('minimist')(process.argv.slice(2), {boolean: true});
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if (argv._.length !== 1) {
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console.log('Usage: "node analyse [--strings] [--dump] [--head] FILE"');
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process.exit(1);
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}
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var echo = function (data) {
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var string = JSON.stringify(data, null, 2);
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console.log(string);
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};
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fs.readFile(argv._[0], function (err, data) {
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if (err) throw err;
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var demo = Demo.fromNodeBuffer(data);
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var parser = demo.getParser();
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var head = parser.readHeader();
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if (argv.head) {
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echo(head);
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return;
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}
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var body = parser.parseBody();
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if (argv.dump) {
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echo(parser.packets);
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} else if (argv.strings) {
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echo(parser.strings);
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} else {
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echo(body);
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}
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});
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13
package.json
13
package.json
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@ -1,5 +1,12 @@
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{
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"dependencies": {
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"bit-buffer": "icewind1991/bit-buffer"
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}
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"name": "demos.js",
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"description": "A parser for TF2 demo files",
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"version": "0.1.0",
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"bin": {
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"demo-analyse": "./bin/analyse.js"
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},
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"dependencies": {
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"bit-buffer": "icewind1991/bit-buffer",
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"minimist": "1.1.x"
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}
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}
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12
packet.js
12
packet.js
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@ -31,6 +31,10 @@ Object.defineProperty(Packet.prototype, 'bitsLeft', {
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});
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Packet.prototype.parse = function () {
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//var table = new PacketStringTable(this.stream);
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//table.searchIds();
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//return [];
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var packets = [];
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while (this.bitsLeft > 6) { // last 6 bits for NOOP
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var type = this.stream.readBits(6);
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@ -138,6 +142,14 @@ Packet.parsers = {
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};
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},
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13: function (stream) {
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var stringTable = new PacketStringTable(stream);
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stringTable.parse();
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return {
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packetType: 'createStringTable',
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table : stringTable
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};
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var tableId = stream.readBits(5);
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var changeEntries = stream.readBits(1) ? stream.readBits(16) : 1;
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var length = stream.readBits(20);
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@ -19,122 +19,7 @@ PacketStringTable.prototype.parse = function () {
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//todo
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// https://coldemoplayer.googlecode.com/svn/branches/2.0/code/plugins/CDP.Source/Messages/SvcCreateStringTable.cs
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//while (true) {//skip untill userinfo
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// var pos = this.stream._index;
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// if (this.stream.readASCIIString() === 'userinfo') {
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// this.stream._index = pos;
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// console.log(pos);
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// break;
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// }
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// this.stream._index = pos + 1;
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//}
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//this.stream._index = 442393; // process
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//this.stream._index = 472495;
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//this.name = this.stream.readASCIIString();
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//var maxEntries = this.stream.readBits(16);
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//var bits = logBase2(maxEntries);
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//this.numEntries = this.stream.readBits(bits + 1);
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//var length = this.stream.readBits(20);
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//var userDataFixedSize = this.stream.readBoolean(1);
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//var userSize = 0;
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//var userDataBits = 0;
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//if (userDataFixedSize) {
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// console.log('fixed');
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// userSize = this.stream.readBits(12);
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// userDataBits = this.stream.readBits(4);
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// console.log(userSize);
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// console.log(userDataBits);
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//}
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//
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//console.log('table: ' + this.name);
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//console.log('entries: ' + this.numEntries);
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//var pos = this.stream._index;
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var users = this.searchIds();
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//this.stream.index = pos + length;
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return users;
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//start expermiment
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//console.log(this.stream.readBits(2));
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this.stream.readBits(5 + 8 * 8);
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for (i = 0; i < 12; i++) {
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console.log(this.stream.readBits(8));
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}
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console.log(this.stream.readBits(2));
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console.log('name: ' + this.stream.readUTF8String());
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for (i = 0; i < 8; i++) {
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console.log(this.stream.readBits(8));
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}
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console.log('id: ' + this.stream.readUTF8String());
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console.log(this.stream.readBits(8));
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console.log(this.stream.readUTF8String(32));
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// end TV
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// start icewind
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for (i = 0; i < 12; i++) {
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console.log(this.stream.readBits(8));
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}
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console.log(this.stream.readBits(2));
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console.log('name: ' + this.stream.readUTF8String());
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for (i = 0; i < 7; i++) {
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console.log(this.stream.readBits(8));
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}
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console.log('id: ' + this.stream.readASCIIString(14));
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// end icewind
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// start gat
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console.log(this.stream.readBits(8));
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console.log(this.stream.readUTF8String(32));
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//console.log(this.stream.readUTF8String());
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console.log(this.stream.readBits(8 * 9));
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console.log(this.stream.readBits(2));
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//console.log('name: ' + this.stream.readASCIIString());
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for (i = 0; i < 7; i++) {
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console.log(this.stream.readBits(8));
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}
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console.log('id: ' + this.stream.readASCIIString(14));
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//console.log(this.stream.readASCIIString());
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//console.log(this.stream.readASCIIString());
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//console.log(this.stream.readASCIIString());
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//console.log(this.stream.readBits(8));
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//console.log(this.stream.readASCIIString());
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//console.log(this.stream.readBits(2 + 8 * 14));
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//console.log(this.stream.readASCIIString());
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//console.log(this.stream.readBits(7 * 8));
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//console.log(this.stream.readASCIIString());
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//process.exit();
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for (i = 0; i < this.numEntries; i++) {
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var pos = this.stream._index;
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var string = this.stream.readASCIIString();
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console.log('string: "' + string + '"');
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if (string.length > 4) {
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if (string.charCodeAt(2) > 128) {
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this.stream._index = pos;
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this.stream.readBits(1);
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return;
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}
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}
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this.strings.push(string);
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if (this.stream.readBits(1)) { //user data
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if (this.userDataFixedSize) {
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var userData = this.stream.readBits(this.userDataSizeBits)
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} else {
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bits = this.stream.readBits(14);
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userData = this.stream.readASCIIString(bits);
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}
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console.log('userdata: ' + userData);
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//console.log(this.stream.readBits(5));
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//stream.readBits(5);
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}
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//this.strings.push(string);
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}
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return this.searchIds();
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};
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PacketStringTable.prototype.parsePlayerInfo = function () {
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@ -146,11 +31,8 @@ PacketStringTable.prototype.searchIds = function () {
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var validChar = function (charCode) {
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return charCode === 91 || charCode === 93 || charCode === 58 || (charCode > 47 && charCode < 58); // [ ] : 0-9
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};
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console.log('startSearch');
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console.log('length ' + this.stream._view._view.length);
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this.stream.readBits(9);
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var users = {};
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var numFound = 0;
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while (true) {
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var found = false;
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while (this.stream._index < ((this.stream._view._view.length - 1) * 8)) {
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@ -166,7 +48,10 @@ PacketStringTable.prototype.searchIds = function () {
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}
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}
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if (!found) {
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console.log(users);
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if (numFound) {
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//console.log(users);
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}
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this.stream._index = this.stream._view._view.length * 8;
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return users;
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}
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while (validChar(this.stream.readBits(8))) {
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@ -181,9 +66,8 @@ PacketStringTable.prototype.searchIds = function () {
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steamId += ']';
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}
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users[userId] = steamId;
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numFound++;
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}
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console.log(users);
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//process.exit();
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};
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PacketStringTable.tables = [];
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14
parser.js
14
parser.js
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@ -7,12 +7,14 @@ var BitStream = require('bit-buffer').BitStream;
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var Parser = function (steam) {
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this.stream = steam;
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this.state = {
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chat : [],
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users : {},
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deaths: [],
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rounds: [],
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chat : [],
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users : {},
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deaths : [],
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rounds : [],
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intervalPerTick: 0
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};
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this.packets = [];
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this.strings = {};
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};
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Parser.MessageType = {
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@ -49,6 +51,9 @@ Parser.prototype.parseBody = function () {
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var packets = message.parse();
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for (i = 0; i < packets.length; i++) {
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var packet = packets[i];
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if (packet) {
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this.packets.push(packet);
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}
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if (!packet) {
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continue;
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}
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@ -103,6 +108,7 @@ Parser.prototype.parseBody = function () {
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}
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}
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}
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this.strings = StringTable.tables;
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return this.state;
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};
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@ -12,12 +12,12 @@ Generator.make = function (name, string) {
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try {
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for (var i = 0; i < items.length; i++) {
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var value = Generator.readItem(stream, items[i][1], result);
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if(items[i][0] !== '_'){
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if (items[i][0] !== '_') {
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result[items[i][0]] = value;
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}
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}
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} catch (e) {
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throw 'Failed reading pattern ' + string;
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throw 'Failed reading pattern ' + string + '. ' + e;
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}
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return result;
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}
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2
test.js
2
test.js
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var Demo = require('./demo');
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var fs = require('fs');
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fs.readFile("upward.dem", function (err, data) {
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fs.readFile("process.dem", function (err, data) {
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if (err) throw err;
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var demo = Demo.fromNodeBuffer(data);
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var parser = demo.getParser();
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