--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/QTfrontend/tcpBase.cpp	Sun Oct 01 20:31:48 2006 +0000
@@ -0,0 +1,140 @@
+/*
+ * Hedgewars, a worms-like game
+ * Copyright (c) 2006 Igor Ulyanov <iulyanov@gmail.com>
+ *
+ * Distributed under the terms of the BSD-modified licence:
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * with the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "tcpBase.h"
+
+#include <QMessageBox>
+#include <QList>
+
+#include <QImage>
+
+#include "hwconsts.h"
+
+QList<TCPBase*> srvsList;
+
+TCPBase::TCPBase() 
+{
+  IPCServer = new QTcpServer(this);
+  connect(IPCServer, SIGNAL(newConnection()), this, SLOT(NewConnection()));
+  IPCServer->setMaxPendingConnections(1);
+}
+
+void TCPBase::NewConnection()
+{
+  QTcpSocket * client = IPCServer->nextPendingConnection();
+  if(!IPCSocket) {
+    IPCServer->close();
+    IPCSocket = client;
+    connect(client, SIGNAL(disconnected()), this, SLOT(ClientDisconnect()));
+    connect(client, SIGNAL(readyRead()), this, SLOT(ClientRead()));
+    SendToClientFirst();
+  } else {
+    qWarning("2nd IPC client?!");
+    client->disconnectFromHost();
+  }
+}
+
+void TCPBase::RealStart()
+{
+  IPCSocket = 0;
+  if (!IPCServer->listen(QHostAddress::LocalHost, IPC_PORT)) {
+    QMessageBox::critical(0, tr("Error"),
+			  tr("Unable to start the server: %1.")
+			  .arg(IPCServer->errorString()));
+  }
+  
+  QProcess * process;
+  process = new QProcess;
+  connect(process, SIGNAL(error(QProcess::ProcessError)), this, SLOT(StartProcessError(QProcess::ProcessError)));
+  QStringList arguments=setArguments();
+  process->start(bindir->absolutePath() + "/hwengine", arguments);
+}
+
+void TCPBase::ClientDisconnect()
+{
+  IPCSocket->close();
+  IPCServer->close();
+
+  onClientDisconnect();
+
+  readbuffer.clear();
+
+  if(srvsList.size()==1) srvsList.pop_front();
+  emit isReadyNow();
+}
+
+void TCPBase::ClientRead()
+{
+  readbuffer.append(IPCSocket->readAll());
+  onClientRead();
+}
+
+void TCPBase::StartProcessError(QProcess::ProcessError error)
+{
+  QMessageBox::critical(0, tr("Error"),
+			tr("Unable to run engine: %1 (")
+			.arg(error) + bindir->absolutePath() + "/hwengine)");
+}
+
+void TCPBase::tcpServerReady()
+{
+  disconnect(srvsList.front(), SIGNAL(isReadyNow()), *(++srvsList.begin()), SLOT(tcpServerReady()));
+  srvsList.pop_front();
+
+  RealStart();
+}
+
+void TCPBase::Start()
+{
+  if(srvsList.isEmpty()) {
+    srvsList.push_back(this);
+  } else {
+    connect(srvsList.back(), SIGNAL(isReadyNow()), this, SLOT(tcpServerReady()));
+    srvsList.push_back(this);
+    return;
+  }
+  
+  RealStart();
+}
+
+void TCPBase::onClientRead()
+{
+}
+
+void TCPBase::onClientDisconnect()
+{
+}
+
+void TCPBase::SendToClientFirst()
+{
+}