Allow retrieving of own player id by gui.

src/net/clientthread.h

@@ -91,6 +91,7 @@ public:
 	bool GetPlayerIdFromName(const std::string &playerName, unsigned &playerId) const;
 	ServerStats GetStatData() const;
 	unsigned GetGameId() const;
+	unsigned GetGuiPlayerId() const;
 
 	Gsasl *GetAuthContext();
 
@@ -158,7 +159,6 @@ protected:
 	void SetGameData(const GameData &gameData);
 	const StartData &GetStartData() const;
 	void SetStartData(const StartData &startData);
-	unsigned GetGuiPlayerId() const;
 	void SetGuiPlayerId(unsigned guiPlayerId);
 
 	boost::shared_ptr<Game> GetGame();
@@ -259,6 +259,7 @@ private:
 
 	unsigned m_curGameNum;
 	unsigned m_guiPlayerId;
+	mutable boost::mutex m_guiPlayerIdMutex;
 	bool m_sessionEstablished;
 
 	mutable boost::mutex m_curStatsMutex;

src/net/common/clientthread.cpp

@@ -963,12 +963,14 @@ ClientThread::SetStartData(const StartData &startData)
 unsigned
 ClientThread::GetGuiPlayerId() const
 {
+	boost::mutex::scoped_lock lock(m_guiPlayerIdMutex);
 	return m_guiPlayerId;
 }
 
 void
 ClientThread::SetGuiPlayerId(unsigned guiPlayerId)
 {
+	boost::mutex::scoped_lock lock(m_guiPlayerIdMutex);
 	m_guiPlayerId = guiPlayerId;
 }