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https://gitea.wildfiregames.com/0ad/0ad
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157c6af18e
Avoid cases of filenames Update years in terms and other legal(ish) documents Don't update years in license headers, since change is not meaningful Will add linter rule in seperate commit Happy recompiling everyone! Original Patch By: Nescio Comment By: Gallaecio Differential Revision: D2620 This was SVN commit r27786.
106 lines
2.9 KiB
C++
106 lines
2.9 KiB
C++
/* Copyright (C) 2021 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_NETSERVERTURNMANAGER
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#define INCLUDED_NETSERVERTURNMANAGER
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#include "ps/CStr.h"
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#include <map>
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#include <unordered_map>
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class CNetServerWorker;
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class CNetServerSession;
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/**
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* The server-side counterpart to CNetClientTurnManager.
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* Records the turn state of each client, and sends turn advancement messages
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* when clients are ready.
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*
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* Thread-safety:
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* - This is constructed and used by CNetServerWorker in the network server thread.
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*/
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class CNetServerTurnManager
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{
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NONCOPYABLE(CNetServerTurnManager);
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public:
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CNetServerTurnManager(CNetServerWorker& server);
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void NotifyFinishedClientCommands(CNetServerSession& session, u32 turn);
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void NotifyFinishedClientUpdate(CNetServerSession& session, u32 turn, const CStr& hash);
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/**
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* Inform the turn manager of a new client
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* @param observer - whether this client is an observer.
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*/
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void InitialiseClient(int client, u32 turn, bool observer);
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/**
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* Inform the turn manager that a previously-initialised client has left the game.
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*/
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void UninitialiseClient(int client);
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void SetTurnLength(u32 msecs);
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/**
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* Returns the latest turn for which all clients are ready;
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* they will have already been told to execute this turn.
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*/
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u32 GetReadyTurn() { return m_ReadyTurn; }
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/**
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* Returns the turn length that was used for the given turn.
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* Requires turn <= GetReadyTurn().
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*/
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u32 GetSavedTurnLength(u32 turn);
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private:
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void CheckClientsReady();
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struct Client
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{
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CStrW playerName;
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// Latest turn for which all commands have been received.
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u32 readyTurn;
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// Last known simulated turn.
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u32 simulatedTurn;
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bool isObserver;
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bool isOOS = false;
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};
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std::unordered_map<int, Client> m_ClientsData;
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// Cached value - is any client OOS? This is reset when the OOS client leaves.
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bool m_HasSyncError = false;
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// Map of turn -> {Client ID -> state hash}; old indexes <= min(m_ClientsSimulated) are deleted
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std::map<u32, std::map<int, std::string>> m_ClientStateHashes;
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/// The latest turn for which we have received all commands from all clients
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u32 m_ReadyTurn;
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// Current turn length
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u32 m_TurnLength;
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// Turn lengths for all previously executed turns
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std::vector<u32> m_SavedTurnLengths;
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CNetServerWorker& m_NetServer;
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};
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#endif // INCLUDED_NETSERVERTURNMANAGER
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