Yves
28bdd8540f
Changes GetProperty, SetProperty and HasProperty and a few other functions to take handles. The conversions to CScriptVal or CScriptValRooted at some places should be removed in the future. I've done that to avoid an even larger patch. Refs #2415 Refs #2462 This was SVN commit r15568.
617 lines
19 KiB
C++
617 lines
19 KiB
C++
/* Copyright (C) 2011 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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#include "precompiled.h"
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#include "NetClient.h"
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#include "NetMessage.h"
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#include "NetSession.h"
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#include "NetTurnManager.h"
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#include "lib/byte_order.h"
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#include "lib/sysdep/sysdep.h"
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#include "ps/CConsole.h"
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#include "ps/CLogger.h"
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#include "ps/Compress.h"
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#include "ps/CStr.h"
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#include "ps/Game.h"
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#include "ps/GUID.h"
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#include "ps/Loader.h"
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#include "scriptinterface/ScriptInterface.h"
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#include "simulation2/Simulation2.h"
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CNetClient *g_NetClient = NULL;
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/**
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* Async task for receiving the initial game state when rejoining an
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* in-progress network game.
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*/
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class CNetFileReceiveTask_ClientRejoin : public CNetFileReceiveTask
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{
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NONCOPYABLE(CNetFileReceiveTask_ClientRejoin);
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public:
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CNetFileReceiveTask_ClientRejoin(CNetClient& client)
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: m_Client(client)
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{
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}
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virtual void OnComplete()
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{
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// We've received the game state from the server
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// Save it so we can use it after the map has finished loading
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m_Client.m_JoinSyncBuffer = m_Buffer;
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// Pretend the server told us to start the game
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CGameStartMessage start;
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m_Client.HandleMessage(&start);
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}
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private:
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CNetClient& m_Client;
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};
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CNetClient::CNetClient(CGame* game) :
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m_Session(NULL),
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m_UserName(L"anonymous"),
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m_GUID(ps_generate_guid()), m_HostID((u32)-1), m_ClientTurnManager(NULL), m_Game(game)
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{
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m_Game->SetTurnManager(NULL); // delete the old local turn manager so we don't accidentally use it
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void* context = this;
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// Set up transitions for session
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AddTransition(NCS_UNCONNECTED, (uint)NMT_CONNECT_COMPLETE, NCS_CONNECT, (void*)&OnConnect, context);
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AddTransition(NCS_CONNECT, (uint)NMT_SERVER_HANDSHAKE, NCS_HANDSHAKE, (void*)&OnHandshake, context);
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AddTransition(NCS_HANDSHAKE, (uint)NMT_SERVER_HANDSHAKE_RESPONSE, NCS_AUTHENTICATE, (void*)&OnHandshakeResponse, context);
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AddTransition(NCS_AUTHENTICATE, (uint)NMT_AUTHENTICATE_RESULT, NCS_INITIAL_GAMESETUP, (void*)&OnAuthenticate, context);
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AddTransition(NCS_INITIAL_GAMESETUP, (uint)NMT_GAME_SETUP, NCS_PREGAME, (void*)&OnGameSetup, context);
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AddTransition(NCS_PREGAME, (uint)NMT_CHAT, NCS_PREGAME, (void*)&OnChat, context);
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AddTransition(NCS_PREGAME, (uint)NMT_READY, NCS_PREGAME, (void*)&OnReady, context);
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AddTransition(NCS_PREGAME, (uint)NMT_GAME_SETUP, NCS_PREGAME, (void*)&OnGameSetup, context);
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AddTransition(NCS_PREGAME, (uint)NMT_PLAYER_ASSIGNMENT, NCS_PREGAME, (void*)&OnPlayerAssignment, context);
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AddTransition(NCS_PREGAME, (uint)NMT_GAME_START, NCS_LOADING, (void*)&OnGameStart, context);
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AddTransition(NCS_PREGAME, (uint)NMT_JOIN_SYNC_START, NCS_JOIN_SYNCING, (void*)&OnJoinSyncStart, context);
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AddTransition(NCS_JOIN_SYNCING, (uint)NMT_CHAT, NCS_JOIN_SYNCING, (void*)&OnChat, context);
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AddTransition(NCS_JOIN_SYNCING, (uint)NMT_GAME_SETUP, NCS_JOIN_SYNCING, (void*)&OnGameSetup, context);
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AddTransition(NCS_JOIN_SYNCING, (uint)NMT_PLAYER_ASSIGNMENT, NCS_JOIN_SYNCING, (void*)&OnPlayerAssignment, context);
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AddTransition(NCS_JOIN_SYNCING, (uint)NMT_GAME_START, NCS_JOIN_SYNCING, (void*)&OnGameStart, context);
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AddTransition(NCS_JOIN_SYNCING, (uint)NMT_SIMULATION_COMMAND, NCS_JOIN_SYNCING, (void*)&OnInGame, context);
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AddTransition(NCS_JOIN_SYNCING, (uint)NMT_END_COMMAND_BATCH, NCS_JOIN_SYNCING, (void*)&OnJoinSyncEndCommandBatch, context);
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AddTransition(NCS_JOIN_SYNCING, (uint)NMT_LOADED_GAME, NCS_INGAME, (void*)&OnLoadedGame, context);
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AddTransition(NCS_LOADING, (uint)NMT_CHAT, NCS_LOADING, (void*)&OnChat, context);
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AddTransition(NCS_LOADING, (uint)NMT_GAME_SETUP, NCS_LOADING, (void*)&OnGameSetup, context);
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AddTransition(NCS_LOADING, (uint)NMT_PLAYER_ASSIGNMENT, NCS_LOADING, (void*)&OnPlayerAssignment, context);
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AddTransition(NCS_LOADING, (uint)NMT_LOADED_GAME, NCS_INGAME, (void*)&OnLoadedGame, context);
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AddTransition(NCS_INGAME, (uint)NMT_CHAT, NCS_INGAME, (void*)&OnChat, context);
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AddTransition(NCS_INGAME, (uint)NMT_GAME_SETUP, NCS_INGAME, (void*)&OnGameSetup, context);
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AddTransition(NCS_INGAME, (uint)NMT_PLAYER_ASSIGNMENT, NCS_INGAME, (void*)&OnPlayerAssignment, context);
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AddTransition(NCS_INGAME, (uint)NMT_SIMULATION_COMMAND, NCS_INGAME, (void*)&OnInGame, context);
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AddTransition(NCS_INGAME, (uint)NMT_SYNC_ERROR, NCS_INGAME, (void*)&OnInGame, context);
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AddTransition(NCS_INGAME, (uint)NMT_END_COMMAND_BATCH, NCS_INGAME, (void*)&OnInGame, context);
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// Set first state
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SetFirstState(NCS_UNCONNECTED);
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}
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CNetClient::~CNetClient()
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{
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DestroyConnection();
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}
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void CNetClient::SetUserName(const CStrW& username)
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{
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ENSURE(!m_Session); // must be called before we start the connection
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m_UserName = username;
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}
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bool CNetClient::SetupConnection(const CStr& server)
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{
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CNetClientSession* session = new CNetClientSession(*this);
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bool ok = session->Connect(PS_DEFAULT_PORT, server);
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SetAndOwnSession(session);
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return ok;
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}
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void CNetClient::SetAndOwnSession(CNetClientSession* session)
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{
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delete m_Session;
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m_Session = session;
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}
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void CNetClient::DestroyConnection()
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{
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// Send network messages from the current frame before connection is destroyed.
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if (m_ClientTurnManager)
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{
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m_ClientTurnManager->OnDestroyConnection(); // End sending of commands for scheduled turn.
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Flush(); // Make sure the messages are sent.
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}
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SAFE_DELETE(m_Session);
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}
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void CNetClient::Poll()
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{
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if (m_Session)
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m_Session->Poll();
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}
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void CNetClient::Flush()
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{
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if (m_Session)
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m_Session->Flush();
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}
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CScriptValRooted CNetClient::GuiPoll()
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{
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if (m_GuiMessageQueue.empty())
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return CScriptValRooted();
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CScriptValRooted r = m_GuiMessageQueue.front();
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m_GuiMessageQueue.pop_front();
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return r;
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}
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void CNetClient::PushGuiMessage(const CScriptValRooted& message)
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{
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ENSURE(!message.undefined());
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m_GuiMessageQueue.push_back(message);
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}
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std::wstring CNetClient::TestReadGuiMessages()
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{
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std::wstring r;
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while (true)
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{
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CScriptValRooted msg = GuiPoll();
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if (msg.undefined())
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break;
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r += GetScriptInterface().ToString(msg.get()) + L"\n";
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}
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return r;
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}
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ScriptInterface& CNetClient::GetScriptInterface()
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{
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return m_Game->GetSimulation2()->GetScriptInterface();
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}
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void CNetClient::PostPlayerAssignmentsToScript()
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{
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JSContext* cx = GetScriptInterface().GetContext();
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JSAutoRequest rq(cx);
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JS::RootedValue msg(cx);
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GetScriptInterface().Eval("({'type':'players', 'hosts':{}})", &msg);
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JS::RootedValue hosts(cx);
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GetScriptInterface().GetProperty(msg, "hosts", &hosts);
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for (PlayerAssignmentMap::iterator it = m_PlayerAssignments.begin(); it != m_PlayerAssignments.end(); ++it)
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{
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JS::RootedValue host(cx);
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GetScriptInterface().Eval("({})", &host);
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GetScriptInterface().SetProperty(host, "name", std::wstring(it->second.m_Name), false);
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GetScriptInterface().SetProperty(host, "player", it->second.m_PlayerID, false);
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GetScriptInterface().SetProperty(host, "status", it->second.m_Status, false);
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GetScriptInterface().SetProperty(hosts, it->first.c_str(), host, false);
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}
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PushGuiMessage(CScriptValRooted(cx, msg));
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}
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bool CNetClient::SendMessage(const CNetMessage* message)
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{
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if (!m_Session)
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return false;
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return m_Session->SendMessage(message);
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}
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void CNetClient::HandleConnect()
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{
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Update((uint)NMT_CONNECT_COMPLETE, NULL);
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}
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void CNetClient::HandleDisconnect(u32 reason)
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{
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JSContext* cx = GetScriptInterface().GetContext();
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JSAutoRequest rq(cx);
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JS::RootedValue msg(cx);
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GetScriptInterface().Eval("({'type':'netstatus','status':'disconnected'})", &msg);
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GetScriptInterface().SetProperty(msg, "reason", (int)reason, false);
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PushGuiMessage(CScriptValRooted(cx, msg));
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SAFE_DELETE(m_Session);
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// Update the state immediately to UNCONNECTED (don't bother with FSM transitions since
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// we'd need one for every single state, and we don't need to use per-state actions)
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SetCurrState(NCS_UNCONNECTED);
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}
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void CNetClient::SendChatMessage(const std::wstring& text)
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{
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CChatMessage chat;
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chat.m_Message = text;
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SendMessage(&chat);
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}
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void CNetClient::SendReadyMessage(const int status)
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{
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CReadyMessage readyStatus;
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readyStatus.m_Status = status;
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SendMessage(&readyStatus);
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}
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bool CNetClient::HandleMessage(CNetMessage* message)
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{
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// Handle non-FSM messages first
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Status status = m_Session->GetFileTransferer().HandleMessageReceive(message);
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if (status == INFO::OK)
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return true;
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if (status != INFO::SKIPPED)
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return false;
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if (message->GetType() == NMT_FILE_TRANSFER_REQUEST)
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{
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CFileTransferRequestMessage* reqMessage = (CFileTransferRequestMessage*)message;
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// TODO: we should support different transfer request types, instead of assuming
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// it's always requesting the simulation state
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std::stringstream stream;
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LOGMESSAGERENDER(L"Serializing game at turn %u for rejoining player", m_ClientTurnManager->GetCurrentTurn());
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u32 turn = to_le32(m_ClientTurnManager->GetCurrentTurn());
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stream.write((char*)&turn, sizeof(turn));
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bool ok = m_Game->GetSimulation2()->SerializeState(stream);
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ENSURE(ok);
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// Compress the content with zlib to save bandwidth
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// (TODO: if this is still too large, compressing with e.g. LZMA works much better)
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std::string compressed;
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CompressZLib(stream.str(), compressed, true);
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m_Session->GetFileTransferer().StartResponse(reqMessage->m_RequestID, compressed);
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return true;
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}
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// Update FSM
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bool ok = Update(message->GetType(), message);
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if (!ok)
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LOGERROR(L"Net client: Error running FSM update (type=%d state=%d)", (int)message->GetType(), (int)GetCurrState());
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return ok;
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}
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void CNetClient::LoadFinished()
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{
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JSContext* cx = GetScriptInterface().GetContext();
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JSAutoRequest rq(cx);
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if (!m_JoinSyncBuffer.empty())
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{
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// We're rejoining a game, and just finished loading the initial map,
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// so deserialize the saved game state now
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std::string state;
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DecompressZLib(m_JoinSyncBuffer, state, true);
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std::stringstream stream(state);
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u32 turn;
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stream.read((char*)&turn, sizeof(turn));
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turn = to_le32(turn);
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LOGMESSAGE(L"Rejoining client deserializing state at turn %u\n", turn);
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bool ok = m_Game->GetSimulation2()->DeserializeState(stream);
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ENSURE(ok);
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m_ClientTurnManager->ResetState(turn, turn);
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JS::RootedValue msg(cx);
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GetScriptInterface().Eval("({'type':'netstatus','status':'join_syncing'})", &msg);
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PushGuiMessage(CScriptValRooted(cx, msg));
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}
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else
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{
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// Connecting at the start of a game, so we'll wait for other players to finish loading
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JS::RootedValue msg(cx);
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GetScriptInterface().Eval("({'type':'netstatus','status':'waiting_for_players'})", &msg);
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PushGuiMessage(CScriptValRooted(cx, msg));
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}
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CLoadedGameMessage loaded;
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loaded.m_CurrentTurn = m_ClientTurnManager->GetCurrentTurn();
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SendMessage(&loaded);
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}
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bool CNetClient::OnConnect(void* context, CFsmEvent* event)
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{
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ENSURE(event->GetType() == (uint)NMT_CONNECT_COMPLETE);
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CNetClient* client = (CNetClient*)context;
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JSContext* cx = client->GetScriptInterface().GetContext();
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JSAutoRequest rq(cx);
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JS::RootedValue msg(cx);
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client->GetScriptInterface().Eval("({'type':'netstatus','status':'connected'})", &msg);
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client->PushGuiMessage(CScriptValRooted(cx, msg));
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return true;
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}
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bool CNetClient::OnHandshake(void* context, CFsmEvent* event)
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{
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ENSURE(event->GetType() == (uint)NMT_SERVER_HANDSHAKE);
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CNetClient* client = (CNetClient*)context;
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CCliHandshakeMessage handshake;
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handshake.m_MagicResponse = PS_PROTOCOL_MAGIC_RESPONSE;
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handshake.m_ProtocolVersion = PS_PROTOCOL_VERSION;
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handshake.m_SoftwareVersion = PS_PROTOCOL_VERSION;
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client->SendMessage(&handshake);
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return true;
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}
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bool CNetClient::OnHandshakeResponse(void* context, CFsmEvent* event)
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{
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ENSURE(event->GetType() == (uint)NMT_SERVER_HANDSHAKE_RESPONSE);
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CNetClient* client = (CNetClient*)context;
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CAuthenticateMessage authenticate;
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authenticate.m_GUID = client->m_GUID;
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authenticate.m_Name = client->m_UserName;
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authenticate.m_Password = L""; // TODO
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client->SendMessage(&authenticate);
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return true;
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}
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bool CNetClient::OnAuthenticate(void* context, CFsmEvent* event)
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{
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ENSURE(event->GetType() == (uint)NMT_AUTHENTICATE_RESULT);
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CNetClient* client = (CNetClient*)context;
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JSContext* cx = client->GetScriptInterface().GetContext();
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JSAutoRequest rq(cx);
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CAuthenticateResultMessage* message = (CAuthenticateResultMessage*)event->GetParamRef();
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LOGMESSAGE(L"Net: Authentication result: host=%u, %ls", message->m_HostID, message->m_Message.c_str());
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bool isRejoining = (message->m_Code == ARC_OK_REJOINING);
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client->m_HostID = message->m_HostID;
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JS::RootedValue msg(cx);
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client->GetScriptInterface().Eval("({'type':'netstatus','status':'authenticated'})", &msg);
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client->GetScriptInterface().SetProperty(msg, "rejoining", isRejoining);
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client->PushGuiMessage(CScriptValRooted(cx, msg));
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return true;
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}
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bool CNetClient::OnChat(void* context, CFsmEvent* event)
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{
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ENSURE(event->GetType() == (uint)NMT_CHAT);
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CNetClient* client = (CNetClient*)context;
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JSContext* cx = client->GetScriptInterface().GetContext();
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JSAutoRequest rq(cx);
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CChatMessage* message = (CChatMessage*)event->GetParamRef();
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JS::RootedValue msg(cx);
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client->GetScriptInterface().Eval("({'type':'chat'})", &msg);
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client->GetScriptInterface().SetProperty(msg, "guid", std::string(message->m_GUID), false);
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client->GetScriptInterface().SetProperty(msg, "text", std::wstring(message->m_Message), false);
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client->PushGuiMessage(CScriptValRooted(cx, msg));
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return true;
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}
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bool CNetClient::OnReady(void* context, CFsmEvent* event)
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{
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ENSURE(event->GetType() == (uint)NMT_READY);
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CNetClient* client = (CNetClient*)context;
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JSContext* cx = client->GetScriptInterface().GetContext();
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JSAutoRequest rq(cx);
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CReadyMessage* message = (CReadyMessage*)event->GetParamRef();
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JS::RootedValue msg(cx);
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client->GetScriptInterface().Eval("({'type':'ready'})", &msg);
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client->GetScriptInterface().SetProperty(msg, "guid", std::string(message->m_GUID), false);
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client->GetScriptInterface().SetProperty(msg, "status", int (message->m_Status), false);
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client->PushGuiMessage(CScriptValRooted(cx, msg));
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return true;
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}
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bool CNetClient::OnGameSetup(void* context, CFsmEvent* event)
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{
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ENSURE(event->GetType() == (uint)NMT_GAME_SETUP);
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CNetClient* client = (CNetClient*)context;
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JSContext* cx = client->GetScriptInterface().GetContext();
|
|
JSAutoRequest rq(cx);
|
|
|
|
CGameSetupMessage* message = (CGameSetupMessage*)event->GetParamRef();
|
|
|
|
client->m_GameAttributes = message->m_Data;
|
|
|
|
JS::RootedValue msg(cx);
|
|
client->GetScriptInterface().Eval("({'type':'gamesetup'})", &msg);
|
|
client->GetScriptInterface().SetProperty(msg, "data", message->m_Data, false);
|
|
client->PushGuiMessage(CScriptValRooted(cx, msg));
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CNetClient::OnPlayerAssignment(void* context, CFsmEvent* event)
|
|
{
|
|
ENSURE(event->GetType() == (uint)NMT_PLAYER_ASSIGNMENT);
|
|
|
|
CNetClient* client = (CNetClient*)context;
|
|
|
|
CPlayerAssignmentMessage* message = (CPlayerAssignmentMessage*)event->GetParamRef();
|
|
|
|
// Unpack the message
|
|
PlayerAssignmentMap newPlayerAssignments;
|
|
for (size_t i = 0; i < message->m_Hosts.size(); ++i)
|
|
{
|
|
PlayerAssignment assignment;
|
|
assignment.m_Enabled = true;
|
|
assignment.m_Name = message->m_Hosts[i].m_Name;
|
|
assignment.m_PlayerID = message->m_Hosts[i].m_PlayerID;
|
|
assignment.m_Status = message->m_Hosts[i].m_Status;
|
|
newPlayerAssignments[message->m_Hosts[i].m_GUID] = assignment;
|
|
}
|
|
|
|
client->m_PlayerAssignments.swap(newPlayerAssignments);
|
|
|
|
client->PostPlayerAssignmentsToScript();
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CNetClient::OnGameStart(void* context, CFsmEvent* event)
|
|
{
|
|
ENSURE(event->GetType() == (uint)NMT_GAME_START);
|
|
|
|
CNetClient* client = (CNetClient*)context;
|
|
JSContext* cx = client->GetScriptInterface().GetContext();
|
|
JSAutoRequest rq(cx);
|
|
|
|
// Find the player assigned to our GUID
|
|
int player = -1;
|
|
if (client->m_PlayerAssignments.find(client->m_GUID) != client->m_PlayerAssignments.end())
|
|
player = client->m_PlayerAssignments[client->m_GUID].m_PlayerID;
|
|
|
|
client->m_ClientTurnManager = new CNetClientTurnManager(
|
|
*client->m_Game->GetSimulation2(), *client, client->m_HostID, client->m_Game->GetReplayLogger());
|
|
|
|
client->m_Game->SetPlayerID(player);
|
|
client->m_Game->StartGame(client->m_GameAttributes, "");
|
|
|
|
JS::RootedValue msg(cx);
|
|
client->GetScriptInterface().Eval("({'type':'start'})", &msg);
|
|
client->PushGuiMessage(CScriptValRooted(cx, msg));
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CNetClient::OnJoinSyncStart(void* context, CFsmEvent* event)
|
|
{
|
|
ENSURE(event->GetType() == (uint)NMT_JOIN_SYNC_START);
|
|
|
|
CNetClient* client = (CNetClient*)context;
|
|
|
|
// The server wants us to start downloading the game state from it, so do so
|
|
client->m_Session->GetFileTransferer().StartTask(
|
|
shared_ptr<CNetFileReceiveTask>(new CNetFileReceiveTask_ClientRejoin(*client))
|
|
);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CNetClient::OnJoinSyncEndCommandBatch(void* context, CFsmEvent* event)
|
|
{
|
|
ENSURE(event->GetType() == (uint)NMT_END_COMMAND_BATCH);
|
|
|
|
CNetClient* client = (CNetClient*)context;
|
|
|
|
CEndCommandBatchMessage* endMessage = (CEndCommandBatchMessage*)event->GetParamRef();
|
|
|
|
client->m_ClientTurnManager->FinishedAllCommands(endMessage->m_Turn, endMessage->m_TurnLength);
|
|
|
|
// Execute all the received commands for the latest turn
|
|
client->m_ClientTurnManager->UpdateFastForward();
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CNetClient::OnLoadedGame(void* context, CFsmEvent* event)
|
|
{
|
|
ENSURE(event->GetType() == (uint)NMT_LOADED_GAME);
|
|
|
|
CNetClient* client = (CNetClient*)context;
|
|
JSContext* cx = client->GetScriptInterface().GetContext();
|
|
JSAutoRequest rq(cx);
|
|
|
|
// All players have loaded the game - start running the turn manager
|
|
// so that the game begins
|
|
client->m_Game->SetTurnManager(client->m_ClientTurnManager);
|
|
|
|
JS::RootedValue msg(cx);
|
|
client->GetScriptInterface().Eval("({'type':'netstatus','status':'active'})", &msg);
|
|
client->PushGuiMessage(CScriptValRooted(cx, msg));
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CNetClient::OnInGame(void *context, CFsmEvent* event)
|
|
{
|
|
// TODO: should split each of these cases into a separate method
|
|
|
|
CNetClient* client = (CNetClient*)context;
|
|
|
|
CNetMessage* message = (CNetMessage*)event->GetParamRef();
|
|
if (message)
|
|
{
|
|
if (message->GetType() == NMT_SIMULATION_COMMAND)
|
|
{
|
|
CSimulationMessage* simMessage = static_cast<CSimulationMessage*> (message);
|
|
client->m_ClientTurnManager->OnSimulationMessage(simMessage);
|
|
}
|
|
else if (message->GetType() == NMT_SYNC_ERROR)
|
|
{
|
|
CSyncErrorMessage* syncMessage = static_cast<CSyncErrorMessage*> (message);
|
|
client->m_ClientTurnManager->OnSyncError(syncMessage->m_Turn, syncMessage->m_HashExpected);
|
|
}
|
|
else if (message->GetType() == NMT_END_COMMAND_BATCH)
|
|
{
|
|
CEndCommandBatchMessage* endMessage = static_cast<CEndCommandBatchMessage*> (message);
|
|
client->m_ClientTurnManager->FinishedAllCommands(endMessage->m_Turn, endMessage->m_TurnLength);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|