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// Copyright (C) 2003-2008 Dolphin Project.
// 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, version 2.0.
// 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#ifdef _WIN32
#include <windows.h>
#include <mmsystem.h>
#endif
#include <time.h>
#include <sys/timeb.h>
#include "Common.h"
#include "Timer.h"
#include "StringUtil.h"
#ifdef __GNUC__
u32 timeGetTime()
{
struct timeb t;
ftime(&t);
return((u32)(t.time * 1000 + t.millitm));
}
#endif
namespace Common
{
//////////////////////////////////////////////////////////////////////////////////////////
// Initiate, Start, Stop, and Update the time
// ---------------
// Set initial values for the class
Timer::Timer()
: m_LastTime(0), m_StartTime(0), m_Running(false)
{
Update();
#ifdef _WIN32
QueryPerformanceFrequency((LARGE_INTEGER*)&m_frequency);
#endif
}
// Write the starting time
void Timer::Start()
{
m_StartTime = timeGetTime();
m_Running = true;
}
// Stop the timer
void Timer::Stop()
{
// Write the final time
m_LastTime = timeGetTime();
m_Running = false;
}
// Update the last time variable
void Timer::Update()
{
m_LastTime = timeGetTime();
//TODO(ector) - QPF
}
/////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////
// Get time difference and elapsed time
// ---------------
// Get the number of milliseconds since the last Update()
s64 Timer::GetTimeDifference()
{
return(timeGetTime() - m_LastTime);
}
/* Add the time difference since the last Update() to the starting time. This is used to compensate
for a paused game. */
void Timer::AddTimeDifference()
{
m_StartTime += GetTimeDifference();
}
// Wind back the starting time to a custom time
void Timer::WindBackStartingTime(u64 WindBack)
{
m_StartTime += WindBack;
}
// Get the time elapsed since the Start()
u64 Timer::GetTimeElapsed()
{
/* If we have not started yet return 1 (because then I don't have to change the FPS
calculation in CoreRerecording.cpp */
if (m_StartTime == 0) return 1;
// Rrturn the final timer time if the timer is stopped
if (!m_Running) return (m_LastTime - m_StartTime);
return (timeGetTime() - m_StartTime);
}
// Get the formattet time elapsed since the Start()
std::string Timer::GetTimeElapsedFormatted() const
{
// If we have not started yet, return zero
if (m_StartTime == 0)
return "00:00:00:000";
// The number of milliseconds since the start, use a different value if the timer is stopped
u64 Milliseconds;
if (m_Running)
Milliseconds = timeGetTime() - m_StartTime;
else
Milliseconds = m_LastTime - m_StartTime;
// Seconds
u32 Seconds = (u32)(Milliseconds / 1000);
// Minutes
u32 Minutes = Seconds / 60;
// Hours
u32 Hours = Minutes / 60;
std::string TmpStr = StringFromFormat("%02i:%02i:%02i:%03i", Hours, Minutes % 60, Seconds % 60, Milliseconds % 1000);
return TmpStr;
}
/////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////
// Get current time
// ---------------
void Timer::IncreaseResolution()
{
#ifdef _WIN32
timeBeginPeriod(1);
#endif
}
void Timer::RestoreResolution()
{
#ifdef _WIN32
timeEndPeriod(1);
#endif
}
#ifdef __GNUC__
void _time64(u64* t)
{
*t = 0; //TODO
}
#endif
// Get the number of seconds since January 1 1970
u64 Timer::GetTimeSinceJan1970()
{
time_t ltime;
time(<ime);
return((u64)ltime);
}
u64 Timer::GetLocalTimeSinceJan1970()
{
time_t sysTime, tzDiff;
struct tm * gmTime;
time(&sysTime);
// Lazy way to get local time in sec
gmTime = gmtime(&sysTime);
tzDiff = sysTime - mktime(gmTime);
return (u64)(sysTime + tzDiff);
}
// Return the current time formatted as Minutes:Seconds:Milliseconds in the form 00:00:000
std::string Timer::GetTimeFormatted()
{
struct timeb tp;
(void)::ftime(&tp);
char temp[32];
sprintf(temp, "%02ld:%02ld:%03i", tp.time/60, tp.time%60, tp.millitm);
return std::string(temp);
}
/////////////////////////////////////
} // end of namespace Common
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