QTfrontend/game.cpp
author unc0rr
Wed, 28 Dec 2005 22:18:11 +0000
changeset 32 78bff13b11c0
parent 31 99888245a4e8
child 36 a803a00a3272
permissions -rw-r--r--
With this patch the game doesn't crash when gaming by net
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/*
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 * Hedgewars, a worms-like game
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 * Copyright (c) 2005 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * Distributed under the terms of the BSD-modified licence:
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * with the Software without restriction, including without limitation the
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 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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 * sell copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * 1. Redistributions of source code must retain the above copyright notice,
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 *    this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright notice,
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 *    this list of conditions and the following disclaimer in the documentation
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 *    and/or other materials provided with the distribution.
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 * 3. The name of the author may not be used to endorse or promote products
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 *    derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#include <QMessageBox>
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#include <QProcess>
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#include <QTimer>
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#include <QString>
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#include <QByteArray>
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#include <QTextStream>
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#include <QFile>
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#include "game.h"
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#include "hwconsts.h"
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HWGame::HWGame(int Resolution, bool Fullscreen)
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{
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	vid_Resolution = Resolution;
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	vid_Fullscreen = Fullscreen;
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	IPCServer = new QTcpServer(this);
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	IPCServer->setMaxPendingConnections(1);
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	if (!IPCServer->listen(QHostAddress("127.0.0.1"), IPC_PORT))
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	{
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		QMessageBox::critical(0, tr("Error"),
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				tr("Unable to start the server: %1.")
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				.arg(IPCServer->errorString()));
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	}
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	connect(IPCServer, SIGNAL(newConnection()), this, SLOT(NewConnection()));
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	IPCSocket = 0;
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	TeamCount = 0;
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	seed = "";
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	cfgdir.setPath(cfgdir.homePath());
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	cfgdir.cd(".hedgewars");
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}
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void HWGame::NewConnection()
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{
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	QTcpSocket * client = IPCServer->nextPendingConnection();
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	if(!IPCSocket)
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	{
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		IPCSocket = client;
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		connect(client, SIGNAL(disconnected()), this, SLOT(ClientDisconnect()));
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		connect(client, SIGNAL(readyRead()), this, SLOT(ClientRead()));
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		msgsize = 0;
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		if (toSendBuf.size() > 0)
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			SENDIPC("?");
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	} else
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	{
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		client->disconnectFromHost();
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		delete client;
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	}
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}
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void HWGame::ClientDisconnect()
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{
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	IPCSocket = 0;
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	SaveDemo("demo.hwd_1");
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	delete this;
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}
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void HWGame::SendTeamConfig(int index)
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{
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	LocalCFG(teams[index]);
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}
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void HWGame::SendConfig()
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{
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	SENDIPC("TL");
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//	SENDIPC("e$gmflags 0");
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	SENDIPC("eaddteam");
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	SendTeamConfig(0);
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//	if () SENDIPC("rdriven");
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	SENDIPC("ecolor 65535");
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	SENDIPC("eadd hh0 0");
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	SENDIPC("eadd hh1 0");
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	SENDIPC("eadd hh2 0");
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	SENDIPC("eadd hh3 0");
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	SENDIPC("eadd hh4 0");
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	SENDIPC("eaddteam");
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	SendTeamConfig(1);
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	SENDIPC("ecolor 16776960");
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	SENDIPC("eadd hh0 1");
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	SENDIPC("eadd hh1 1");
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	SENDIPC("eadd hh2 1");
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	SENDIPC("eadd hh3 1");
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	SENDIPC("eadd hh4 1");
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}
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void HWGame::ParseMessage()
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{
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	switch(msgbuf[0])
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	{
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		case '?':
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		{
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			if (gameType == gtNet)
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				emit SendNet(QByteArray("\x01""?"));
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			else
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				SENDIPC("!");
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			break;
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		}
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		case 'C':
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		{
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			if (gameType == gtNet)
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			{
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				SENDIPC("TN");
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				emit SendNet(QByteArray("\x01""C"));
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			}
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			else
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			{
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				if (gameType == gtLocal)
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				 	SendConfig();
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			}
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			break;
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		}
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		case '+':
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		{
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			break;
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		}
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		default:
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		{
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			QByteArray tmpbuf = QByteArray::fromRawData((char *)&msgsize, 1) + QByteArray::fromRawData(msgbuf, msgsize);
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			if (gameType == gtNet)
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			{
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				emit SendNet(tmpbuf);
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			}
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			demo->append(tmpbuf);
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		}
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	}
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}
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void HWGame::SendIPC(const char * msg, quint8 len)
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{
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	SendIPC(QByteArray::fromRawData(msg, len));
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}
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void HWGame::SendIPC(const QByteArray & buf)
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{
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	if (buf.size() > MAXMSGCHARS) return;
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	if (!IPCSocket)
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	{
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		toSendBuf += buf;
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	} else
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	{
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		quint8 len = buf.size();
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		RawSendIPC(QByteArray::fromRawData((char *)&len, 1) + buf);
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	}
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}
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void HWGame::RawSendIPC(const QByteArray & buf)
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{
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	if (!IPCSocket)
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	{
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		toSendBuf += buf;
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	} else
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	{
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		if (toSendBuf.size() > 0)
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		{
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			IPCSocket->write(toSendBuf);
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			demo->append(toSendBuf);
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		}
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		IPCSocket->write(buf);
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		demo->append(buf);
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	}
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}
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void HWGame::FromNet(const QByteArray & msg)
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{
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	RawSendIPC(msg);
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}
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void HWGame::ClientRead()
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{
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	qint64 readbytes = 1;
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	while (readbytes > 0)
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	{
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		if (msgsize == 0)
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		{
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			msgbufsize = 0;
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			readbytes = IPCSocket->read((char *)&msgsize, 1);
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		} else
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		{
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			msgbufsize +=
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			readbytes = IPCSocket->read((char *)&msgbuf[msgbufsize], msgsize - msgbufsize);
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			if (msgbufsize = msgsize)
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			{
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				ParseMessage();
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				msgsize = 0;
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   216
			}
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		}
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   218
	}
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   219
}
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void HWGame::Start()
25
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{
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	QProcess * process;
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   224
	QStringList arguments;
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   225
	process = new QProcess;
26
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	arguments << resolutions[0][vid_Resolution];
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	arguments << resolutions[1][vid_Resolution];
25
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	arguments << GetThemeBySeed();
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   229
	arguments << "46631";
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	arguments << seed;
26
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   231
	arguments << (vid_Fullscreen ? "1" : "0");
25
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	process->start("hw", arguments);
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   233
}
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   234
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   235
void HWGame::AddTeam(const QString & teamname)
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{
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   237
	if (TeamCount == 5) return;
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   238
	teams[TeamCount] = teamname;
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   239
	TeamCount++;
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   240
}
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   241
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   242
QString HWGame::GetThemeBySeed()
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   243
{
26
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   244
	QFile themesfile(QString(DATA_PATH) + "/Themes/themes.cfg");
25
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   245
	QStringList themes;
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   246
	if (themesfile.open(QIODevice::ReadOnly))
27aa8030322b - Get rid of old frontend
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   247
	{
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   248
		QTextStream stream(&themesfile);
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   249
		QString str;
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   250
		while (!stream.atEnd())
27aa8030322b - Get rid of old frontend
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   251
		{
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   252
			themes << stream.readLine();
27aa8030322b - Get rid of old frontend
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   253
		}
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   254
		themesfile.close();
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   255
	}
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   256
	quint32 len = themes.size();
27aa8030322b - Get rid of old frontend
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   257
	if (len == 0)
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   258
	{
28
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   259
		QMessageBox::critical(0, "Error", "Cannot access themes.cfg or bad data", "OK");
25
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		return "avematan";
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   261
	}
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   262
	if (seed.isEmpty())
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   263
	{
28
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   264
		QMessageBox::critical(0, "Error", "seed not defined", "OK");
25
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   265
		return "avematan";
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   266
	}
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   267
	quint32 k = 0;
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   268
	for (int i = 0; i < seed.length(); i++)
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   269
	{
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   270
		k += seed[i].unicode();
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   271
	}
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   272
	return themes[k % len];
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   273
}
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   274
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   275
void HWGame::SaveDemo(const QString & filename)
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   276
{
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   277
	QFile demofile(filename);
27aa8030322b - Get rid of old frontend
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   278
	if (!demofile.open(QIODevice::WriteOnly))
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   279
	{
28
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   280
		QMessageBox::critical(0,
25
27aa8030322b - Get rid of old frontend
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   281
				tr("Error"),
27aa8030322b - Get rid of old frontend
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   282
				tr("Cannot save demo to file %s").arg(filename),
27aa8030322b - Get rid of old frontend
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   283
				tr("Quit"));
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   284
		return ;
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   285
	}
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   286
	QDataStream stream(&demofile);
27aa8030322b - Get rid of old frontend
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   287
	stream.writeRawData(demo->constData(), demo->size());
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   288
	demofile.close();
26
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   289
	delete demo;
25
27aa8030322b - Get rid of old frontend
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   290
}
26
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   291
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   292
void HWGame::PlayDemo(const QString & demofilename)
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   293
{
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   294
	gameType = gtDemo;
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   295
	QFile demofile(demofilename);
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   296
	if (!demofile.open(QIODevice::ReadOnly))
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   297
	{
28
59f7db859b8a - clear demos list before adding items
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   298
		QMessageBox::critical(0,
26
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   299
				tr("Error"),
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   300
				tr("Cannot open demofile %s").arg(demofilename),
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   301
				tr("Quit"));
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   302
		return ;
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   303
	}
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   304
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   305
	// read demo
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   306
	QDataStream stream(&demofile);
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diff changeset
   307
	char buf[512];
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diff changeset
   308
	quint32 readbytes;
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   309
	do
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   310
	{
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   311
		readbytes = stream.readRawData((char *)&buf, 512);
32
78bff13b11c0 With this patch the game doesn't crash when gaming by net
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diff changeset
   312
		toSendBuf.append(QByteArray((char *)&buf, readbytes));
26
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diff changeset
   313
e32fa14529f8 Frontend lets define more binds
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   314
	} while (readbytes > 0);
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diff changeset
   315
	demofile.close();
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   316
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   317
	// cut seed
32
78bff13b11c0 With this patch the game doesn't crash when gaming by net
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diff changeset
   318
	quint32 index = toSendBuf.indexOf(10);
78bff13b11c0 With this patch the game doesn't crash when gaming by net
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diff changeset
   319
	if ((index < 3) || (index > 20))
26
e32fa14529f8 Frontend lets define more binds
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diff changeset
   320
	{
28
59f7db859b8a - clear demos list before adding items
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diff changeset
   321
		QMessageBox::critical(0,
26
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diff changeset
   322
				tr("Error"),
32
78bff13b11c0 With this patch the game doesn't crash when gaming by net
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diff changeset
   323
				tr("Corrupted demo file %1").arg(demofilename),
26
e32fa14529f8 Frontend lets define more binds
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diff changeset
   324
				tr("Quit"));
e32fa14529f8 Frontend lets define more binds
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   325
		return ;
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diff changeset
   326
	}
32
78bff13b11c0 With this patch the game doesn't crash when gaming by net
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diff changeset
   327
	seed = QString(toSendBuf.left(index++));
78bff13b11c0 With this patch the game doesn't crash when gaming by net
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diff changeset
   328
	toSendBuf.remove(0, index);
26
e32fa14529f8 Frontend lets define more binds
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diff changeset
   329
32
78bff13b11c0 With this patch the game doesn't crash when gaming by net
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diff changeset
   330
	toSendBuf = QByteArray::fromRawData("\x02TD", 3) + toSendBuf;
26
e32fa14529f8 Frontend lets define more binds
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diff changeset
   331
	// run engine
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   332
	demo = new QByteArray;
32
78bff13b11c0 With this patch the game doesn't crash when gaming by net
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diff changeset
   333
	Start();
26
e32fa14529f8 Frontend lets define more binds
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diff changeset
   334
}
31
99888245a4e8 Now net game is near available, but exception occurs...
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diff changeset
   335
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diff changeset
   336
void HWGame::StartNet(const QString & netseed)
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diff changeset
   337
{
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diff changeset
   338
	gameType = gtNet;
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diff changeset
   339
	seed = netseed;
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diff changeset
   340
	demo = new QByteArray;
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diff changeset
   341
	demo->append(seed.toLocal8Bit());
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diff changeset
   342
	demo->append(10);
32
78bff13b11c0 With this patch the game doesn't crash when gaming by net
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diff changeset
   343
	Start();
31
99888245a4e8 Now net game is near available, but exception occurs...
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diff changeset
   344
}
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diff changeset
   345
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diff changeset
   346
void HWGame::StartLocal()
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diff changeset
   347
{
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diff changeset
   348
	gameType = gtLocal;
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diff changeset
   349
	if (TeamCount < 2) return;
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diff changeset
   350
	seedgen.GenRNDStr(seed, 10);
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parents: 28
diff changeset
   351
	demo = new QByteArray;
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parents: 28
diff changeset
   352
	demo->append(seed.toLocal8Bit());
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parents: 28
diff changeset
   353
	demo->append(10);
32
78bff13b11c0 With this patch the game doesn't crash when gaming by net
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diff changeset
   354
	Start();
31
99888245a4e8 Now net game is near available, but exception occurs...
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diff changeset
   355
}
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diff changeset
   356
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diff changeset
   357
void HWGame::LocalCFG(const QString & teamname)
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diff changeset
   358
{
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   359
	QFile teamcfg(cfgdir.absolutePath() + "/" + teamname + ".cfg");
99888245a4e8 Now net game is near available, but exception occurs...
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diff changeset
   360
	if (!teamcfg.open(QIODevice::ReadOnly))
99888245a4e8 Now net game is near available, but exception occurs...
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diff changeset
   361
	{
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   362
		return ;
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diff changeset
   363
	}
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diff changeset
   364
	QTextStream stream(&teamcfg);
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diff changeset
   365
	stream.setCodec("UTF-8");
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diff changeset
   366
	QString str;
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diff changeset
   367
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diff changeset
   368
	while (!stream.atEnd())
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diff changeset
   369
	{
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diff changeset
   370
		str = stream.readLine();
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diff changeset
   371
		if (str.startsWith(";") || (str.length() > 254)) continue;
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diff changeset
   372
		str.prepend("e");
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diff changeset
   373
		SendIPC(str.toLocal8Bit());
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diff changeset
   374
	}
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diff changeset
   375
	teamcfg.close();
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diff changeset
   376
}