Send spectator list to joining players.

src/net/common/servergamestate.cpp

@@ -460,6 +460,15 @@ AbstractServerGameStateReceiving::AcceptNewSession(boost::shared_ptr<ServerGame>
 		++player_i;
 	}
 
+	// Send notifications for connected spectators to client.
+	PlayerDataList tmpSpectatorList(server->GetSessionManager().GetSpectatorDataList());
+	PlayerDataList::iterator spectator_i = tmpSpectatorList.begin();
+	PlayerDataList::iterator spectator_end = tmpSpectatorList.end();
+	while (spectator_i != spectator_end) {
+		server->GetLobbyThread().GetSender().Send(session, CreateNetPacketSpectatorJoined(server->GetId(), *(*spectator_i)));
+		++spectator_i;
+	}
+
 	// Send "Player Joined"/"Spectator Joined" to other fully connected clients.
 	if (spectateOnly) {
 		server->SendToAllPlayers(CreateNetPacketSpectatorJoined(server->GetId(), *session->GetPlayerData()), SessionData::Game | SessionData::Spectating | SessionData::SpectatorWaiting);

src/net/common/sessionmanager.cpp

@@ -161,6 +161,28 @@ SessionManager::GetPlayerDataList() const
 	return playerList;
 }
 
+PlayerDataList
+SessionManager::GetSpectatorDataList() const
+{
+	PlayerDataList spectatorList;
+	boost::recursive_mutex::scoped_lock lock(m_sessionMapMutex);
+
+	SessionMap::const_iterator session_i = m_sessionMap.begin();
+	SessionMap::const_iterator session_end = m_sessionMap.end();
+
+	while (session_i != session_end) {
+		// Get all spectators of the game.
+		if (session_i->second->GetState() == SessionData::Spectating || session_i->second->GetState() == SessionData::SpectatorWaiting) {
+			boost::shared_ptr<PlayerData> tmpPlayer(session_i->second->GetPlayerData());
+			if (!tmpPlayer.get() || tmpPlayer->GetName().empty())
+				throw ServerException(__FILE__, __LINE__, ERR_NET_INVALID_SESSION, 0);
+			spectatorList.push_back(tmpPlayer);
+		}
+		++session_i;
+	}
+	return spectatorList;
+}
+
 PlayerIdList
 SessionManager::GetPlayerIdList(int state) const
 {

src/net/sessionmanager.h

@@ -59,6 +59,7 @@ public:
 	boost::shared_ptr<SessionData> GetSessionByUniquePlayerId(unsigned uniqueId, bool initSessions = false) const;
 
 	PlayerDataList GetPlayerDataList() const;
+	PlayerDataList GetSpectatorDataList() const;
 	PlayerIdList GetPlayerIdList(int state) const;
 	bool IsPlayerConnected(const std::string &playerName) const;
 	bool IsPlayerConnected(unsigned uniqueId) const;