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index.js
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index.js
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const ByteBuffer = require('bytebuffer');
const EventEmitter = require('events').EventEmitter;
const SteamID = require('steamid');
const Util = require('util');
const VDF = require('vdf');
const Language = require('./language.js');
const Schema = require('./protobufs/generated/_load.js');
const STEAM_APPID = 440;
module.exports = TeamFortress2;
Util.inherits(TeamFortress2, EventEmitter);
function TeamFortress2(steam) {
if (steam.packageName != 'steam-user' || !steam.packageVersion || !steam.constructor) {
throw new Error('tf2 v3 only supports steam-user v4.2.0 or later.');
}
this._steam = steam;
this.haveGCSession = false;
this._isInTF2 = false;
this._steam.on('receivedFromGC', (appid, msgType, payload) => {
if (appid != STEAM_APPID) {
return; // we don't care
}
let isProtobuf = !Buffer.isBuffer(payload);
let handler = null;
if (this._handlers[msgType]) {
handler = this._handlers[msgType];
}
let msgName = msgType;
for (let i in Language) {
if (Language.hasOwnProperty(i) && Language[i] == msgType) {
msgName = i;
break;
}
}
this.emit('debug', "Got " + (handler ? "handled" : "unhandled") + " GC message " + msgName + (isProtobuf ? " (protobuf)" : ""));
if (handler) {
handler.call(this, isProtobuf ? payload : ByteBuffer.wrap(payload, ByteBuffer.LITTLE_ENDIAN));
}
});
this._steam.on('appLaunched', (appid) => {
if (this._isInTF2) {
return; // we don't care if it was launched again
}
if (appid == STEAM_APPID) {
this._isInTF2 = true;
if (!this.haveGCSession) {
this._connect();
}
}
});
let handleAppQuit = (emitDisconnectEvent) => {
if (this._helloInterval) {
clearInterval(this._helloInterval);
this._helloInterval = null;
}
if (this.haveGCSession && emitDisconnectEvent) {
this.emit('disconnectedFromGC', TeamFortress2.GCGoodbyeReason.NO_SESSION);
}
this._isInTF2 = false;
this.haveGCSession = false;
};
this._steam.on('appQuit', (appid) => {
if (!this._isInTF2) {
return;
}
if (appid == STEAM_APPID) {
handleAppQuit(false);
}
});
this._steam.on('disconnected', () => {
handleAppQuit(true);
});
this._steam.on('error', (err) => {
handleAppQuit(true);
});
}
TeamFortress2.prototype._connect = function() {
if (!this._isInTF2 || this._helloInterval) {
return; // We're not in TF2 or we're already trying to connect
}
let sendHello = () => {
if (this.haveGCSession) {
clearInterval(this._helloInterval);
this._helloInterval = null;
return;
}
if (this._isServer()) {
this._send(Language.ServerHello, Schema.CMsgServerHello, {});
} else {
this._send(Language.ClientHello, Schema.CMsgClientHello, {});
}
};
this._helloInterval = setInterval(sendHello, 5000);
sendHello();
};
TeamFortress2.prototype._isServer = function() {
let serverTypes = [SteamID.Type.ANON_GAMESERVER, SteamID.Type.GAMESERVER];
return this._steam.steamID && serverTypes.includes(this._steam.steamID.type);
};
TeamFortress2.prototype._send = function(type, protobuf, body) {
if (!this._steam.steamID) {
return false;
}
let msgName = type;
for (let i in Language) {
if (Language[i] == type) {
msgName = i;
break;
}
}
this.emit('debug', "Sending GC message " + msgName);
if (protobuf) {
this._steam.sendToGC(STEAM_APPID, type, {}, protobuf.encode(body).finish());
} else {
// This is a ByteBuffer
this._steam.sendToGC(STEAM_APPID, type, null, body.flip().toBuffer());
}
return true;
};
TeamFortress2.prototype.setLang = function(langFile) {
let lang = VDF.parse(langFile);
// The vdf parser appears to add some random characters and quotes to the root 'lang' key, so we'll just use a loop to find it
for (let i in lang) {
this.lang = lang[i].Tokens;
}
};
TeamFortress2.prototype.craft = function(items, recipe) {
let buffer = new ByteBuffer(2 + 2 + (8 * items.length), ByteBuffer.LITTLE_ENDIAN);
buffer.writeInt16(recipe || -2); // -2 is wildcard
buffer.writeInt16(items.length);
for (let i = 0; i < items.length; i++) {
buffer.writeUint64(coerceToLong(items[i]));
}
this._send(Language.Craft, null, buffer);
};
TeamFortress2.prototype.trade = function(steamID) {
if (typeof steamID == 'string') {
steamID = new SteamID(steamID);
}
let buffer = new ByteBuffer(12, ByteBuffer.LITTLE_ENDIAN);
buffer.writeUint32(0);
buffer.writeUint64(coerceToLong(steamID.getSteamID64()));
this._send(Language.Trading_InitiateTradeRequest, null, buffer);
};
TeamFortress2.prototype.cancelTradeRequest = function() {
let buffer = new ByteBuffer(0, ByteBuffer.LITTLE_ENDIAN);
this._send(Language.Trading_CancelSession, null, buffer);
};
TeamFortress2.prototype.respondToTrade = function(tradeID, accept) {
let buffer = new ByteBuffer(8, ByteBuffer.LITTLE_ENDIAN);
buffer.writeUint32(accept ? TeamFortress2.TradeResponse.Accepted : TeamFortress2.TradeResponse.Declined);
buffer.writeUint32(tradeID);
this._send(Language.Trading_InitiateTradeResponse, null, buffer);
};
TeamFortress2.prototype.setStyle = function(item, style) {
let buffer = new ByteBuffer(12, ByteBuffer.LITTLE_ENDIAN);
buffer.writeUint64(coerceToLong(item));
buffer.writeUint32(style);
this._send(Language.SetItemStyle, null, buffer);
};
TeamFortress2.prototype.setPosition = function(item, position) {
let buffer = new ByteBuffer(16, ByteBuffer.LITTLE_ENDIAN);
buffer.writeUint64(coerceToLong(item));
buffer.writeUint64(coerceToLong(position));
this._send(Language.SetSingleItemPosition, null, buffer);
};
TeamFortress2.prototype.setPositions = function(items) {
this._send(Language.SetItemPositions, Schema.CMsgSetItemPositions, {"item_positions": items});
};
TeamFortress2.prototype.deleteItem = function(item) {
let buffer = new ByteBuffer(8, ByteBuffer.LITTLE_ENDIAN);
buffer.writeUint64(coerceToLong(item));
this._send(Language.Delete, null, buffer);
};
TeamFortress2.prototype.wrapItem = function(wrapID, itemID) {
let buffer = new ByteBuffer(16, ByteBuffer.LITTLE_ENDIAN);
buffer.writeUint64(coerceToLong(wrapID));
buffer.writeUint64(coerceToLong(itemID));
this._send(Language.GiftWrapItem, null, buffer);
};
TeamFortress2.prototype.deliverGift = function(gift, steamID) {
if (typeof steamID == 'string') {
steamID = new SteamID(steamID);
}
let buffer = new ByteBuffer(16, ByteBuffer.LITTLE_ENDIAN);
buffer.writeUint64(coerceToLong(gift));
buffer.writeUint64(coerceToLong(steamID.getSteamID64()));
this._send(Language.DeliverGift, null, buffer);
};
TeamFortress2.prototype.unwrapGift = function(gift) {
let buffer = new ByteBuffer(8, ByteBuffer.LITTLE_ENDIAN);
buffer.writeUint64(coerceToLong(gift));
this._send(Language.UnwrapGiftRequest, null, buffer);
};
TeamFortress2.prototype.useItem = function(item) {
this._send(Language.UseItemRequest, Schema.CMsgUseItem, {"item_id": item});
};
TeamFortress2.prototype.tradeUP = function (items) {
this._send(Language.CraftCollectionUpgrade, Schema.CMsgCraftCollectionUpgrade, {
"item_id": items
});
};
TeamFortress2.prototype.removeItemAttribute = function (item, attribute) {
this._send(attribute, Schema.CMsgGCRemoveCustomizationAttributeSimple, { "item_id": item });
};
TeamFortress2.prototype.applyStrangePart = function (item, part) {
this._send(Language.ApplyStrangePart, Schema.CMsgApplyStrangePart, {
"strange_part_item_id": part,
"item_item_id": item
});
};
TeamFortress2.prototype.applyStrangifierOrUnusualifier = function (item, strangifierOrUnusualifierID) {
this._send(Language.ApplyXifier, Schema.CMsgGCCollectItem, {
"collection_item_id": strangifierOrUnusualifierID,
"subject_item_id": item
});
};
TeamFortress2.prototype.sortBackpack = function(sortType) {
this._send(Language.SortItems, Schema.CMsgSortItems, {"sort_type": sortType});
};
TeamFortress2.prototype.sendProfessorSpeks = function(steamID) {
if (typeof steamID == 'string') {
steamID = new SteamID(steamID);
}
this._send(Language.FreeTrial_ChooseMostHelpfulFriend, Schema.CMsgTFFreeTrialChooseMostHelpfulFriend, {"account_id_friend": steamID.accountid});
};
TeamFortress2.prototype.createServerIdentity = function() {
this._send(Language.GameServer_CreateIdentity, Schema.CMsgGC_GameServer_CreateIdentity, {"account_id": this._steam.steamID.accountid});
};
TeamFortress2.prototype.getRegisteredServers = function() {
this._send(Language.GameServer_List, Schema.CMsgGC_GameServer_List, {"account_id": this._steam.steamID.accountid});
};
TeamFortress2.prototype.resetServerIdentity = function(id) {
this._send(Language.GameServer_ResetIdentity, Schema.CMsgGC_GameServer_ResetIdentity, {"game_server_account_id": id});
};
TeamFortress2.prototype.openCrate = function(keyID, crateID) {
let buffer = new ByteBuffer(16, ByteBuffer.LITTLE_ENDIAN);
buffer.writeUint64(coerceToLong(keyID));
buffer.writeUint64(coerceToLong(crateID));
this._send(Language.UnlockCrate, null, buffer);
};
TeamFortress2.prototype.equipItem = function(itemID, classID, slot) {
this._send(Language.AdjustItemEquippedState, Schema.CMsgAdjustItemEquippedState, {
"item_id": itemID,
"new_class": classID,
"new_slot": slot
});
};
TeamFortress2.prototype.requestWarStats = function(warID, callback) {
if (typeof warID === 'function') {
callback = warID;
warID = null;
}
this._send(Language.War_RequestGlobalStats, Schema.CGCMsgGC_War_RequestGlobalStats, {"war_id": warID || TeamFortress2.War.HeavyVsPyro});
if (callback) {
this.once('warStats', callback);
}
};
TeamFortress2.prototype._handlers = {};
function coerceToLong(num, signed) {
return typeof num === 'string' ? new ByteBuffer.Long.fromString(num, !signed, 10) : num;
}
require('./enums.js');
require('./handlers.js');