From 4f88849caf6533d965849952c9ea153fd8c518c5 Mon Sep 17 00:00:00 2001
From: totycro <totycro@unknown-horizons.org>
Date: Sat, 9 Apr 2011 19:20:13 +0200
Subject: first version of multiplayer

---
 pacman-c++/mainwidget.cpp | 82 +++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 68 insertions(+), 14 deletions(-)

(limited to 'pacman-c++/mainwidget.cpp')

diff --git a/pacman-c++/mainwidget.cpp b/pacman-c++/mainwidget.cpp
index 06a0b9c..da08d89 100644
--- a/pacman-c++/mainwidget.cpp
+++ b/pacman-c++/mainwidget.cpp
@@ -4,6 +4,7 @@
 #include "constants.h"
 #include "audioplayer.h"
 #include "util.h"
+#include "pacman.pb.h"
 
 MainWidget::MainWidget(QWidget *parent)
   : SceneHolder(parent), m_currentKey(0), m_running(false)
@@ -14,9 +15,15 @@ MainWidget::MainWidget(QWidget *parent)
   //connect(AudioPlayer::self(), SIGNAL(finished()), this, SLOT(startGame()));
   //AudioPlayer::self()->play(AudioPlayer::Intro);
 
-  QTimer *timer = new QTimer(this);
-  connect(timer, SIGNAL(timeout()), this, SLOT(tick()));
-  timer->start(Constants::tick);
+  bool connected = connectToServer();
+  if (!connected) {
+    QMessageBox::critical(this, "Error", "Failed to connect to server, falling back to local test mode");
+    // TODO: quit application here or sth
+    QTimer *timer = new QTimer(this);
+    connect(timer, SIGNAL(timeout()), this, SLOT(tick()));
+    timer->start(Constants::tick);
+  }
+  connect(m_socket, SIGNAL(readyRead()), this, SLOT(tick()));
 
   startGame();
 }
@@ -120,21 +127,49 @@ Transmission::field_t MainWidget::translateKey(int key)
 
 void MainWidget::tick()
 {
-  Actor::Movement mov = Util::transmissionMovementToActor(m_currentKey, Actor::None);
+#if 0
+    Actor::Movement mov = Util::transmissionMovementToActor(m_currentKey, Actor::None);
 
-  QMapIterator<Color::Color, Actor*> i(m_actors);
-  while (i.hasNext())
-  {
-    i.next();
-    i.value()->move(mov);
-    QList<QGraphicsItem *> list(i.value()->collidingItems());
-    for(int j = 0; j < list.count(); ++j)
+    QMapIterator<Color::Color, Actor*> i(m_actors);
+    while (i.hasNext())
     {
-      if (list.at(j)->parentItem() == i.value())
-        continue;
-      list.at(j)->setOpacity(0.6);
+      i.next();
+      i.value()->move(mov);
+      QList<QGraphicsItem *> list(i.value()->collidingItems());
+      for(int j = 0; j < list.count(); ++j)
+      {
+        if (list.at(j)->parentItem() == i.value())
+          continue;
+        list.at(j)->setOpacity(0.6);
+      }
+    }
+#else
+  QByteArray data = m_socket->readAll();
+  //qDebug() << "read qbytes " << data.length();
+  // TODO: normal conversion to std::string won't work,
+  // probably due to \0-bytes. both those methods will yield
+  // a 3 char long string
+  //std::string dataStr = std::string(data.constData());
+  //std::string dataStr = QString(data).toStdString();
+  std::string dataStr;
+  for (int i = 0; i < data.size(); ++i) {
+    dataStr += data[i];
+  }
+
+  //qDebug() << "read str " << dataStr.length();
+  ProtoBuf::MapUpdate packet;
+  packet.ParseFromString(dataStr);
+  Transmission::map_t map = Util::createUninitialisedMap();
+  Q_ASSERT(packet.field_size() == (int) (Constants::map_size.width * Constants::map_size.height));
+  int i = 0;
+  for (unsigned int x = 0; x < Constants::map_size.width; ++x) {
+    for (unsigned int y = 0; y < Constants::map_size.height; ++y) {
+      map[x][y] = packet.field(i);
+      ++i;
     }
   }
+  updateMap(map);
+ #endif
 }
 
 
@@ -144,8 +179,19 @@ void MainWidget::keyPressEvent(QKeyEvent* event)
     return;
 
   QWidget::keyPressEvent(event);
+  // TODO: remove m_currentKey when we don't need it any more for testing
   m_currentKey = translateKey(event->key());
 
+  // send to server
+  ProtoBuf::KeyPressUpdate packet;
+  packet.set_newkey(m_currentKey);
+  std::string dataStr = packet.SerializeAsString();
+  unsigned int bytesWritten = m_socket->write(dataStr.c_str(), dataStr.length());
+  m_socket->flush();
+  Q_ASSERT(bytesWritten == dataStr.length());
+
+  qDebug() << "send key: " << m_currentKey;
+
   return;
 
   // test stuff
@@ -186,3 +232,11 @@ void MainWidget::playerScoreClicked()
   tmp->setChecked(true);
   return;
 }
+
+bool MainWidget::connectToServer()
+{
+  m_socket = new QTcpSocket(this);
+  m_socket->connectToHost("127.0.0.1", Constants::port);
+  return m_socket->waitForConnected(3000);
+}
+
-- 
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