/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/
#include <float.h>
#include "hsTimer.h"
#include "hsTemplates.h"
#include "plClientUnifiedTime.h"

#if 0
#include "plNetClient/plNetObjectDebugger.h"
#include "plNetClient/plNetClientMgr.h"
#endif

// static
plUnifiedTime   plClientUnifiedTime::fFrameStartTime    = plUnifiedTime::GetCurrentTime();  // the 'current time' at the start of each time
double          plClientUnifiedTime::fSysTimeOffset     = 0.0;

//
// static, called once at the start of each frame
//
void plClientUnifiedTime::SetSysTime()
{
    fFrameStartTime.ToCurrentTime();

    if (fSysTimeOffset == 0.0)
        fSysTimeOffset = hsTimer::GetSysSeconds() - fFrameStartTime.GetSecsDouble();
}

//
// convert from game clock to unified time
//
#pragma optimize( "g", off )    // disable global optimizations
void plClientUnifiedTime::SetFromGameTime(double gameTime, double curGameSecs)
{
    hsDoublePrecBegin;
    //double gameTimeOff = curGameSecs-gameTime;    // when did this happen relative to our currrent sysTime
    //*this = GetFrameStartTime() - plUnifiedTime(gameTimeOff);
    SetSecsDouble(gameTime - fSysTimeOffset);
    hsDoublePrecEnd;

#if 0
    extern bool gMooseDump;
    if (gMooseDump)
    {
        plUnifiedTime ct = plUnifiedTime::GetCurrentTime();
        plUnifiedTime ft = GetFrameStartTime();

        plNetObjectDebugger::GetInstance()->LogMsg(hsTempStringF("SFGT: CT=%s\n", ct.PrintWMillis()));
        plNetObjectDebugger::GetInstance()->LogMsg(hsTempStringF("SFGT: FT=%s\n", ft.PrintWMillis()));
        plNetObjectDebugger::GetInstance()->LogMsg(hsTempStringF("SFGT: gt=%f secs in the past\n", gameTimeOff));
        plNetObjectDebugger::GetInstance()->LogMsg(hsTempStringF("SFGT: this=%s\n\n", PrintWMillis()));
    }
#endif
}

//
// convert from unified time to game clock
//
void plClientUnifiedTime::ConvertToGameTime(double* gameTimeOut, double curGameSecs)
{
    hsDoublePrecBegin;
    //plUnifiedTime utOff = GetFrameStartTime() - GetAsUnifiedTime();   // compute offset relative to current startFrame time
    //*gameTimeOut = curGameSecs - utOff.GetSecsDouble();
    *gameTimeOut = GetSecsDouble() + fSysTimeOffset;
    hsDoublePrecEnd;

#if 0
    extern bool gMooseDump;
    if (gMooseDump)
    {
        plUnifiedTime ct = plUnifiedTime::GetCurrentTime();
        plUnifiedTime ft = GetFrameStartTime();

        plNetObjectDebugger::GetInstance()->LogMsg( hsTempStringF("CTGT: this=%s\n", PrintWMillis()));
        plNetObjectDebugger::GetInstance()->LogMsg(hsTempStringF("CTGT: CT=%s\n", ct.PrintWMillis()));
        plNetObjectDebugger::GetInstance()->LogMsg(hsTempStringF("CTGT: FT=%s\n", ft.PrintWMillis()));
        plNetObjectDebugger::GetInstance()->LogMsg(hsTempStringF("CTGT: OT=%s\n", utOff.PrintWMillis()));
        plNetObjectDebugger::GetInstance()->LogMsg(
            hsTempStringF("CTGT: ct=%f TO=%f\n\n", curGameSecs, *gameTimeOut));
    }
#endif
}
#pragma optimize( "", on )  // restore optimizations to their defaults

const plClientUnifiedTime & plClientUnifiedTime::operator=(const plUnifiedTime & src) 
{ 
    plUnifiedTime* ut=this;
    *ut=src;
    return *this;
}

const plClientUnifiedTime & plClientUnifiedTime::operator=(const plClientUnifiedTime & src) 
{ 
    plUnifiedTime* ut=this;
    plUnifiedTime* utSrc=this;
    *ut=*utSrc;
    return *this;
}