/*==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 . Additional permissions under GNU GPL version 3 section 7 If you modify this Program, or any covered work, by linking or combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK (or a modified version of those libraries), containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the licensors of this Program grant you additional permission to convey the resulting work. Corresponding Source for a non-source form of such a combination shall include the source code for the parts of OpenSSL and IJG JPEG Library used as well as that of the covered work. 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 "hsTimer.h" #include "hsUtils.h" #if HS_BUILD_FOR_MAC #include #endif #include "plTweak.h" // // plTimerShare - the actual worker. All process spaces should share a single // plTimerShare to keep time synchronized across spaces. // plTimerShare::plTimerShare() : fFirstTime(true), fSysSeconds(0), fRealSeconds(0), fDelSysSeconds(0), fFrameTimeInc(0.03f), fSysTimeScale(1.f), fTimeClampSecs(0.1f), fSmoothingClampSecs(-1.0f), fRunningFrameTime(false), fClamping(false), fResetSmooth(true), fCurrSlot(0) { } plTimerShare::~plTimerShare() { } double plTimerShare::GetSeconds() const { hsWide ticks; return hsTimer::GetRawTicks(&ticks)->AsDouble() / hsTimer::GetRawBase().AsDouble(); } double plTimerShare::GetMilliSeconds() const { return GetSeconds() * 1.e3; } hsWide plTimerShare::DSecondsToRawTicks(double secs) { hsWide retVal; double ticks = secs * hsTimer::GetRawBase().AsDouble(); double hi = ticks / double(65536) / double(65536); ticks -= hi; retVal.fHi = Int32(hi); retVal.fLo = Int32(ticks); return retVal; } double plTimerShare::RawTicksToDSeconds(const hsWide& ticks) { return ticks.AsDouble() / hsTimer::GetRawBase().AsDouble(); } inline hsWide* plTimerShare::FactorInTimeZero(hsWide* ticks) const { if( fFirstTime ) { fFirstTime = false; fRawTimeZero = *ticks; ticks->Set(0, 0); } else { ticks->Sub(&fRawTimeZero); } return ticks; } double plTimerShare::IncSysSeconds() { if( fRunningFrameTime ) { fDelSysSeconds = fFrameTimeInc * fSysTimeScale; fSysSeconds += fDelSysSeconds; fResetSmooth = true; } else if( fSmoothingClampSecs >= 0 ) { double t = GetSeconds(); hsScalar delSys = hsScalar(t - fRealSeconds); fClamping = ( (fTimeClampSecs > 0) && (delSys > fTimeClampSecs) ); if (fClamping) { delSys = fTimeClampSecs; } delSys *= fSysTimeScale; if( fDelSysSeconds > 0 && fDelSysSeconds < fSmoothingClampSecs ) { const hsScalar kFrac = 0.1f; const hsScalar kOneMinusFrac = 1.f-kFrac; delSys *= kFrac; delSys += fDelSysSeconds * kOneMinusFrac; } if (delSys > 4.0f && delSys < 5.0f) { //got that mysterious bug, (Win2k? certain CPU's?) try again... #if HS_BUILD_FOR_WIN32 int count = 10; while( delSys >= fDelSysSeconds * 2 && count > 0 ) { fRealSeconds = t; t = GetSeconds(); delSys = hsScalar(t - fRealSeconds); count--; } #endif } fDelSysSeconds = delSys; fSysSeconds += fDelSysSeconds; fRealSeconds = t; fResetSmooth = true; } else { double t = GetSeconds(); plCONST(int) kSmoothBuffUsed(kSmoothBuffLen); if( fResetSmooth ) { int i; for( i = 0; i < kSmoothBuffUsed; i++ ) fSmoothBuff[i] = t; fResetSmooth = false; } if( ++fCurrSlot >= kSmoothBuffUsed ) fCurrSlot = 0; fSmoothBuff[fCurrSlot] = t; double avg = 0; int j; for( j = 0; j < kSmoothBuffUsed; j++ ) { avg += fSmoothBuff[j]; } avg /= double(kSmoothBuffUsed); plCONST(hsScalar) kMaxSmoothable(0.15f); fDelSysSeconds = hsScalar(avg - fRealSeconds) * fSysTimeScale; if( fDelSysSeconds > kMaxSmoothable * fSysTimeScale ) { avg = t; fDelSysSeconds = hsScalar(avg - fRealSeconds) * fSysTimeScale; fResetSmooth = true; } fSysSeconds += fDelSysSeconds; fRealSeconds = avg; } return fSysSeconds; } void plTimerShare::SetRealTime(hsBool realTime) { fRunningFrameTime = !realTime; if( realTime ) { fRealSeconds = GetSeconds(); } } #if HS_BUILD_FOR_WIN32 #include hsWide* plTimerShare::GetRawTicks(hsWide* ticks) const { LARGE_INTEGER large; if (::QueryPerformanceCounter(&large)) { ticks->Set(large.HighPart, large.LowPart); } else { ticks->Set(0, ::GetTickCount()); } return FactorInTimeZero(ticks); } hsWide hsTimer::IInitRawBase() { hsWide base; LARGE_INTEGER large; if (::QueryPerformanceFrequency(&large)) base.Set(large.HighPart, large.LowPart); else base.Set(0, 1000); return base; } #elif HS_BUILD_FOR_MAC #include #include //#define HS_USE_TICKCOUNT hsWide* plTimerShare::GetRawTicks(hsWide* ticks) { #ifndef HS_USE_TICKCOUNT UnsignedWide ns = AbsoluteToNanoseconds(UpTime()); ticks->Set(ns.hi, ns.lo); #else ticks->Set(0, TickCount()); #endif return FactorInTimeZero(ticks); } hsWide plTimerShare::IInitRawBase() { hsWide base; #ifndef HS_USE_TICKCOUNT base.Set(0, 1000000000L); #else base.Set(0, 60); #endif return base; } #elif HS_BUILD_FOR_UNIX #include #define kMicroSecondsUnit 1000000 static UInt32 gBaseTime = 0; hsWide* plTimerShare::GetRawTicks(hsWide* ticks) const { timeval tv; (void)::gettimeofday(&tv, nil); if (gBaseTime == 0) gBaseTime = tv.tv_sec; ticks->Mul(tv.tv_sec - gBaseTime, kMicroSecondsUnit)->Add(tv.tv_usec); return ticks; } hsWide hsTimer::IInitRawBase() { hsWide base; base.Set(0, kMicroSecondsUnit); return base; } #elif HS_BUILD_FOR_PS2 extern unsigned long psTimerGetCount(); //#define kTickMul (150000000) // kTickMul/kTickDiv :: 4577.636719 #define kTickMul (100000000) // kTickMul/kTickDiv :: 3051.757813 // for debugger #define kTickDiv (256*128) hsWide* plTimerShare::GetRawTicks(hsWide* ticks) { unsigned long t= psTimerGetCount(); ticks->Set( (Int32)(t>>32), (Int32)(t&((1ul<<32)-1))); return ticks; } hsWide plTimerShare::IInitRawBase() { hsWide base; base.Set(0, kTickMul/kTickDiv ); return base; } #endif // // hsTimer - thin static interface to plTimerShare. Also keeps a couple of // constants. // static plTimerShare staticTimer; plTimerShare* hsTimer::fTimer = &staticTimer; // until overridden. const double hsTimer::fPrecTicksPerSec = hsTimer::GetPrecTicksPerSec(); const hsWide hsTimer::fRawBase = hsTimer::IInitRawBase(); void hsTimer::SetTheTimer(plTimerShare* timer) { fTimer = timer; } /////////////////////////// // Precision timer routines // These remain as statics // since they are stateless // anyway. /////////////////////////// double hsTimer::GetPrecTicksPerSec() { #if HS_BUILD_FOR_WIN32 LARGE_INTEGER freq; if( !QueryPerformanceFrequency(&freq) ) { return 1000.f; } return ((double) freq.LowPart); #endif #if HS_BUILD_FOR_MAC return 1000.f; #endif #if HS_BUILD_FOR_PS2 return 1000.f; #endif return 1; } UInt32 hsTimer::GetPrecTickCount() { #if HS_BUILD_FOR_WIN32 LARGE_INTEGER ti; if( !QueryPerformanceCounter(&ti) ) return GetTickCount(); return ti.LowPart; #endif #if HS_BUILD_FOR_MACPPC return hsTimer::GetMSeconds(); #endif #if HS_BUILD_FOR_PS2 return hsTimer::GetMSeconds(); #endif } UInt32 hsTimer::PrecSecsToTicks(hsScalar secs) { return (UInt32)(((double)secs) * fPrecTicksPerSec); } double hsTimer::PrecTicksToSecs(UInt32 ticks) { return ((double)ticks) / fPrecTicksPerSec; } double hsTimer::PrecTicksToHz(UInt32 ticks) { return fPrecTicksPerSec / ((double)ticks); } UInt64 hsTimer::GetFullTickCount() { #if HS_BUILD_FOR_WIN32 LARGE_INTEGER ticks; QueryPerformanceCounter(&ticks); return ticks.QuadPart; #else return 0; #endif } float hsTimer::FullTicksToMs(UInt64 ticks) { #ifdef HS_BUILD_FOR_WIN32 static UInt64 ticksPerTenthMs = 0; if (ticksPerTenthMs == 0) { LARGE_INTEGER perfFreq; QueryPerformanceFrequency(&perfFreq); ticksPerTenthMs = perfFreq.QuadPart / 10000; } return float(ticks / ticksPerTenthMs) / 10.f; #else return 0.f; #endif }