khanat-code-old/code/ryzom/client/src/time_client.cpp
2014-02-08 18:39:39 -08:00

456 lines
13 KiB
C++

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