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448 lines
13 KiB
C++
448 lines
13 KiB
C++
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program 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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "stdpch.h"
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/////////////
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// INCLUDE //
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/////////////
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// Misc;
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#include "nel/misc/debug.h"
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// client.
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#include "time_client.h"
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#include "interface_v3/interface_manager.h"
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#include "interface_v3/interface_property.h"
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#include "client_cfg.h"
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#include "net_manager.h"
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#include "game_share/zc_shard_common.h"
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#include "weather.h"
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#include "game_share/light_cycle.h"
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///////////
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// USING //
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///////////
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using namespace std;
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////////////
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// GLOBAL //
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////////////
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sint64 T0 = 0; // Time for the last frame.
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sint64 T1 = 0; // Time for the current frame.
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sint64 TS = 0; // Time since the really first Frame.
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sint64 DT64 = 0; // Diff time with current and last frame in ms.
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float DT = 0.f; // Diff time with current and last frame in sec.
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TTime TSend = 0; // Next Time to send motions.
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TTime DTSend = 100; // Delta of time to generate the next time to send motions.
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double TimeInSec = 0.0; // Time for the current frame in second.
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double FirstTimeInSec = 0.0; // Game local origin time
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float TimeFactor = 1.f; // Factor applied to current date (local mode only)
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TTime LCT = 1000; // Default LCT (Lag Compensation time).
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TTime LocalTimeStep = 100; // Time Step factor on the client.
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TTime CurrentPacketTime = 0; // Local Time for the current packet.
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uint8 CurrentPacket = 0; // Packet currently valid.
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uint8 LastPacketReceived = 0; // Last received packet.
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uint8 LastPacketAck = 0; // Last acknowledged packet.
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NLMISC::TGameCycle LastGameCycle = 0;
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CRyzomTime RT;
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CClientDate SmoothedClientDate;
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// Hierachical timer
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H_AUTO_DECL ( RZ_Client_Update_Time )
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///////////
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// LOCAL //
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///////////
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// Map with all time for each packet sent to the server.
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map<uint8, TTime> PacketTime;
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// Map with all Infos for each packet received.
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map<uint8, CPacketInfos> PacketInfos;
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///////////////
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// FUNCTIONS //
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///////////////
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//-----------------------------------------------
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// removePacketTime :
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// Remove the packet 'numPacket' from the 'PacketTime' list.
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//-----------------------------------------------
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void removePacketTime(uint8 numPacket)
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{
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PacketTime.erase(numPacket);
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}// removePacketTime //
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//-----------------------------------------------
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// insertPacketTime :
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// Insert a packet in the PacketTime map.
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//-----------------------------------------------
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void insertPacketTime(uint8 numPacket, TTime time)
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{
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PacketTime.insert(make_pair(numPacket, time));
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}// insertPacketTime //
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//-----------------------------------------------
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// checkLocalTimeStep :
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// Check if the Local Time Step is still valid with the new packet.
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//-----------------------------------------------
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void checkLocalTimeStep(const CPacketInfos &packetInfos)
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{
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// Compute how many packets there are since the current packet.
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sint nbPacket = packetInfos.Num - CurrentPacket;
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if(nbPacket < 0)
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nbPacket += 256;
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// \todo GUIGUI : check why this happen.
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if(nbPacket==0)
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return;
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// Compute the predicted Local Time for this packet.
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TTime predictedTime = CurrentPacketTime + LocalTimeStep*nbPacket;
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TTime localTimeStep = LocalTimeStep;
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// If the predicted time is too small according to the min time computed for the packet -> increase 'LocalTimeStep'.
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if(predictedTime < packetInfos.Min)
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{
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// nlwarning("packetInfos.Min : %f", (double)packetInfos.Min);
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// nlwarning("CurrentPacketTime : %f", (double)CurrentPacketTime);
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// nlwarning("packetInfos.Min - CurrentPacketTime : %f", (double)((double)packetInfos.Min - (double)CurrentPacketTime));
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LocalTimeStep = (packetInfos.Min - CurrentPacketTime)/nbPacket;
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// nlwarning("LocalTimeStep : %f", (double)LocalTimeStep);
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}
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// If the predicted time is too big according to the max time computed for the packet -> increase 'LocalTimeStep'.
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else if(predictedTime > packetInfos.Max)
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{
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// nlwarning("packetInfos.Max : %f", (double)packetInfos.Max);
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// nlwarning("CurrentPacketTime : %f", (double)CurrentPacketTime);
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// nlwarning("packetInfos.Max - CurrentPacketTime : %f", (double)((double)packetInfos.Max - (double)CurrentPacketTime));
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LocalTimeStep = (packetInfos.Max - CurrentPacketTime)/nbPacket;
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// nlwarning("LocalTimeStep : %f", (double)LocalTimeStep);
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}
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if(LocalTimeStep == 0)
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{
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LocalTimeStep = localTimeStep;
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// nlwarning("LocalTimeStep (corrected): %f", (double)LocalTimeStep);
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}
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}// checkLocalTimeStep //
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//-----------------------------------------------
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// removePacket :
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// Remove the packet 'numPacket' from the 'PacketInfos' list.
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//-----------------------------------------------
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void removePacket(uint8 numPacket)
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{
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PacketInfos.erase(numPacket);
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}// removePacket //
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//-----------------------------------------------
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// insertPacket :
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// Insert the packet received information in a list.
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//-----------------------------------------------
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void insertPacket(const CPacketInfos &packetInfos)
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{
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// Upadte the last packet received.
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LastPacketReceived = packetInfos.Num;
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// Insert the packet information.
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PacketInfos.insert(make_pair(LastPacketReceived, packetInfos));
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// Check Local Time Step with the new packet.
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checkLocalTimeStep(packetInfos);
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}// insertPacket //
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//-----------------------------------------------
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// getSentPacketTime :
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// Return the sent time for a given packet or 0 if the packet is not found
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//-----------------------------------------------
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TTime getSentPacketTime(uint8 numPacket)
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{
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map<uint8, TTime>::iterator it = PacketTime.find(numPacket);
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if(it != PacketTime.end())
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return (*it).second;
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else
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return 0;
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}// getSentPacketTime //
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//-----------------------------------------------
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// ackPacketTimeBefore :
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//
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//-----------------------------------------------
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void ackPacketTimeBefore(uint8 ackPacketNumber)
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{
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// If the acknowledged packet is not in the list -> player do not have send any packet for the time.
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map<uint8, TTime>::iterator itEnd = PacketTime.find(ackPacketNumber);
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if(itEnd != PacketTime.end())
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{
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// If the packet cannot be found -> First valid packet the server is acknowledging
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map<uint8, TTime>::iterator itBegin = PacketTime.find(LastPacketAck);
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if(itBegin != PacketTime.end())
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{
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while(itBegin != itEnd)
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{
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//
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map<uint8, TTime>::iterator itTmp = itBegin;
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itBegin++;
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// Destroy packets between the last acknowledged packet and the recent one.
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PacketTime.erase(itTmp);
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if(itBegin == PacketTime.end())
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itBegin = PacketTime.begin();
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}
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}
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}
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LastPacketAck = ackPacketNumber;
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}// ackPacketTimeBefore //
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static CInterfaceProperty *InterfaceTime = NULL;
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static CInterfaceProperty *InterfaceServerTick = NULL;
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static CInterfaceProperty *InterfaceSmoothServerTick = NULL;
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static CInterfaceProperty *InterfaceDay = NULL;
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static CInterfaceProperty *InterfaceDayBeforeNextZCDistrib = NULL;
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//-----------------------------------------------
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// initClientTime
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//
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//-----------------------------------------------
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void initClientTime()
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{
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nlassert (InterfaceTime == NULL);
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nlassert (InterfaceServerTick == NULL);
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nlassert (InterfaceSmoothServerTick == NULL);
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nlassert (InterfaceDay== NULL);
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nlassert (InterfaceDayBeforeNextZCDistrib== NULL);
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InterfaceTime = new CInterfaceProperty;
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InterfaceServerTick = new CInterfaceProperty;
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InterfaceSmoothServerTick = new CInterfaceProperty;
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InterfaceDay = new CInterfaceProperty;
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InterfaceDayBeforeNextZCDistrib = new CInterfaceProperty;
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CInterfaceManager *pIM= CInterfaceManager::getInstance();
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// get a direct link to the database
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pIM->getDbProp("UI:VARIABLES:CURRENT_TIME");
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InterfaceTime->link("UI:VARIABLES:CURRENT_TIME");
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pIM->getDbProp("UI:VARIABLES:CURRENT_SERVER_TICK");
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InterfaceServerTick->link("UI:VARIABLES:CURRENT_SERVER_TICK");
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pIM->getDbProp("UI:VARIABLES:CURRENT_SMOOTH_SERVER_TICK");
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InterfaceSmoothServerTick->link("UI:VARIABLES:CURRENT_SMOOTH_SERVER_TICK");
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pIM->getDbProp("UI:VARIABLES:CURRENT_DAY");
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InterfaceDay->link("UI:VARIABLES:CURRENT_DAY");
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pIM->getDbProp("UI:VARIABLES:DAY_BEFORE_ZC_DISTRIB");
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InterfaceDayBeforeNextZCDistrib->link("UI:VARIABLES:DAY_BEFORE_ZC_DISTRIB");
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}
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//-----------------------------------------------
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void releaseClientTime()
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{
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if (InterfaceTime)
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{
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delete InterfaceTime;
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InterfaceTime = NULL;
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}
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if (InterfaceServerTick)
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{
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delete InterfaceServerTick;
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InterfaceServerTick = NULL;
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}
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if (InterfaceSmoothServerTick)
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{
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delete InterfaceSmoothServerTick;
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InterfaceSmoothServerTick = NULL;
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}
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if (InterfaceDay)
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{
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delete InterfaceDay;
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InterfaceDay = NULL;
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}
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if (InterfaceDayBeforeNextZCDistrib)
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{
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delete InterfaceDayBeforeNextZCDistrib;
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InterfaceDayBeforeNextZCDistrib = NULL;
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}
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}
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//-----------------------------------------------
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// updateClientTime :
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//
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//-----------------------------------------------
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void updateClientTime()
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{
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H_AUTO_USE ( RZ_Client_Update_Time )
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// Last T0
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T0 = T1;
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// Constant delta time ?
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if (ClientCfg.ForceDeltaTime == 0)
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{
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T1 = ryzomGetLocalTime();
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if (T1 == T0)
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{
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// This case is known to occurs if the framerate is very fast (e.g. during the
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// loading stage) or if the machine has got a heavy load (e.g. lots of AGP data)
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// delaying the timer updates.
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//nlwarning ("getLocalTime has returned the same time! START");
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while (T1 == T0)
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{
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T1 = ryzomGetLocalTime();
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// give up the time slice to let time to other process
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NLMISC::nlSleep(0);
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}
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//nlwarning ("getLocalTime has returned the same time! END");
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}
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}
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else
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{
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// First time ?
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static bool firstTime = true;
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if (firstTime)
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{
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T1 = ryzomGetLocalTime();
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firstTime = false;
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}
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else
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{
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T1 += ClientCfg.ForceDeltaTime;
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}
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}
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if(T0 == T1)
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nlwarning("updateClientTime: T0 should not be = T1.");
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// Update time variables
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DT64 = T1-T0;
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TS += DT64;
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DT = ((float)DT64)*0.001f;
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TimeInSec = T1*0.001;
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// First time ?
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if (FirstTimeInSec == 0.0)
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FirstTimeInSec = TimeInSec;
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// Set the InterfaceManager current time.
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if (InterfaceTime)
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InterfaceTime->setSInt64(T1);
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if (InterfaceServerTick)
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InterfaceServerTick->setSInt64(NetMngr.getCurrentServerTick());
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// Set the Smooth ServerTick
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if (InterfaceSmoothServerTick)
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InterfaceSmoothServerTick->setSInt64(NetMngr.getCurrentSmoothServerTick());
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// Day, and Day before ZC distrib
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if(InterfaceDay)
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InterfaceDay->setSInt64(RT.getRyzomDay());
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if(InterfaceDayBeforeNextZCDistrib)
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{
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sint d= RT.getRyzomDay()%ZCSTATE::ZCDistribPeriod;
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// Must dispaly at least "1".
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d= ZCSTATE::ZCDistribPeriod - d;
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InterfaceDayBeforeNextZCDistrib->setSInt64(d);
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}
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#ifdef ENABLE_INCOMING_MSG_RECORDER
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// Init For the Replay.
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if(NetMngr.isReplayStarting())
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NetMngr.startReplay();
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#endif
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}// updateClientTime //
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// update smoothed time
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void updateSmoothedTime()
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{
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#define REAL_SECONDS_TO_RYZOM_HOUR(s) (double(s) * 10 / double(RYZOM_HOURS_IN_TICKS))
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//
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CClientDate oldSmoothedClientDate = SmoothedClientDate;
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double dHour = REAL_SECONDS_TO_RYZOM_HOUR(DT);
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SmoothedClientDate.Hour += (float) dHour;
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if (SmoothedClientDate.Hour > WorldLightCycle.NumHours)
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{
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SmoothedClientDate.Day += (sint32) ceil(dHour / WorldLightCycle.NumHours);
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SmoothedClientDate.Hour = (float) fmod(SmoothedClientDate.Hour, WorldLightCycle.NumHours);
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}
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double smoothedClientDateInHour = (double) SmoothedClientDate.Day * 24 + SmoothedClientDate.Hour;
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double ryzomDateInHour = (double) RT.getRyzomDay() * 24 + (double) RT.getRyzomTime();
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const double SMOOTHED_DATE_MAX_ERROR_IN_RYZOM_HOUR = REAL_SECONDS_TO_RYZOM_HOUR(10);
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double hourError = fabs(smoothedClientDateInHour - ryzomDateInHour);
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if (hourError > SMOOTHED_DATE_MAX_ERROR_IN_RYZOM_HOUR)
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{
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if (smoothedClientDateInHour < ryzomDateInHour)
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{
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// smoothed time is late
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SmoothedClientDate.Day = RT.getRyzomDay();
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SmoothedClientDate.Hour = RT.getRyzomTime();
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}
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else
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{
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if (hourError > (2 * SMOOTHED_DATE_MAX_ERROR_IN_RYZOM_HOUR))
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{
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// if difference is too big, rescale smoothed time on server time
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SmoothedClientDate.Day = RT.getRyzomDay();
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SmoothedClientDate.Hour = RT.getRyzomTime();
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}
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else
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{
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// cancel time increment (wait until server time is up with smoothed client time)
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SmoothedClientDate = oldSmoothedClientDate;
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}
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}
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}
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}
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