diff options
Diffstat (limited to 'src/Timer.cpp')
| -rw-r--r-- | src/Timer.cpp | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/src/Timer.cpp b/src/Timer.cpp index 9cc35e42..02dbf55a 100644 --- a/src/Timer.cpp +++ b/src/Timer.cpp @@ -1,6 +1,10 @@ #include "common.h" #include "patcher.h" +#include "DMAudio.h" #include "Timer.h" +#include "RecordDataForGame.h" +#include "RecordDataForChase.h" +#include <Windows.h> uint32 &CTimer::m_snTimeInMilliseconds = *(uint32*)0x885B48; uint32 &CTimer::m_snTimeInMillisecondsPauseMode = *(uint32*)0x5F7614; @@ -12,3 +16,217 @@ float &CTimer::ms_fTimeStep = *(float*)0x8E2CB4; float &CTimer::ms_fTimeStepNonClipped = *(float*)0x8E2C4C; bool &CTimer::m_UserPause = *(bool*)0x95CD7C; bool &CTimer::m_CodePause = *(bool*)0x95CDB1; + +UInt32 oldPcTimer; +UInt32 suspendPcTimer; + +UInt32 _nCyclesPerMS = 1; + +LARGE_INTEGER _oldPerfCounter; +LARGE_INTEGER perfSuspendCounter; + +UInt32 suspendDepth; + +_TODO("We need skeleton.c for RsTimer()"); + +RwUInt32 RsTimer(void) +{ + return ((RwUInt32 (__cdecl *)())0x584890)(); +} + +void CTimer::Initialise(void) +{ + debug("Initialising CTimer...\n"); + + ms_fTimeScale = 1.0f; + ms_fTimeStep = 1.0f; + suspendDepth = 0; + m_UserPause = false; + m_CodePause = false; + m_snTimeInMillisecondsNonClipped = 0; + m_snPreviousTimeInMilliseconds = 0; + m_snTimeInMilliseconds = 1; + + LARGE_INTEGER perfFreq; + if ( QueryPerformanceFrequency(&perfFreq) ) + { + OutputDebugString("Performance counter available\n"); + _nCyclesPerMS = UInt32(perfFreq.QuadPart / 1000); + QueryPerformanceCounter(&_oldPerfCounter); + } + else + { + OutputDebugString("Performance counter not available, using millesecond timer\n"); + _nCyclesPerMS = 0; + oldPcTimer = RsTimer(); + } + + m_snTimeInMilliseconds = m_snPreviousTimeInMilliseconds; + + m_FrameCounter = 0; + + DMAudio.ResetTimers(m_snPreviousTimeInMilliseconds); + + debug("CTimer ready\n"); +} + +void CTimer::Shutdown(void) +{ + ; +} + +void CTimer::Update(void) +{ + m_snPreviousTimeInMilliseconds = m_snTimeInMilliseconds; + + if ( (Double)_nCyclesPerMS != 0.0 ) + { + LARGE_INTEGER pc; + QueryPerformanceCounter(&pc); + + Int64 updInCycles = (pc.LowPart - _oldPerfCounter.LowPart) & 0x7FFFFFFF; + + _oldPerfCounter = pc; + + Double updInCyclesScaled = (Double)updInCycles * ms_fTimeScale; + + Double upd = updInCyclesScaled / (Double)_nCyclesPerMS; + + m_snTimeInMillisecondsPauseMode += Int64(upd); + + if ( GetIsPaused() ) + ms_fTimeStep = 0.0f; + else + { + m_snTimeInMilliseconds = Int64(upd); + m_snTimeInMillisecondsNonClipped += Int64(upd); + ms_fTimeStep = updInCyclesScaled / (Double)_nCyclesPerMS / 20.0; + } + } + else + { + UInt32 timer = RsTimer(); + + UInt32 updInMs = timer - oldPcTimer; + + Double upd = (Double)updInMs * ms_fTimeScale; + + oldPcTimer = timer; + + m_snTimeInMillisecondsPauseMode += Int64(upd); + + if ( GetIsPaused() ) + ms_fTimeStep = 0.0f; + else + { + m_snTimeInMilliseconds += Int64(upd); + m_snTimeInMillisecondsNonClipped += Int64(upd); + ms_fTimeStep = upd / 1000.0f * 50.0f; + } + } + + if ( ms_fTimeStep < 0.01f && !GetIsPaused() ) + ms_fTimeStep = 0.01f; + + ms_fTimeStepNonClipped = ms_fTimeStep; + + if ( CRecordDataForGame::RecordingState != _TODOCONST(2) ) + { + ms_fTimeStep = min(3.0f, ms_fTimeStep); + + if ( (m_snTimeInMilliseconds - m_snPreviousTimeInMilliseconds) > 60 ) + m_snTimeInMilliseconds = m_snPreviousTimeInMilliseconds + 60; + } + + if ( CRecordDataForChase::Status == _TODOCONST(1) ) + { + ms_fTimeStep = 1.0f; + m_snTimeInMilliseconds = m_snPreviousTimeInMilliseconds + 16; + } + + m_FrameCounter++; +} + +void CTimer::Suspend(void) +{ + if ( ++suspendDepth > 1 ) + return; + + if ( (Double)_nCyclesPerMS != 0.0 ) + QueryPerformanceCounter(&perfSuspendCounter); + else + suspendPcTimer = RsTimer(); +} + +void CTimer::Resume(void) +{ + if ( --suspendDepth != 0 ) + return; + + if ( (Double)_nCyclesPerMS != 0.0 ) + { + LARGE_INTEGER pc; + QueryPerformanceCounter(&pc); + + _oldPerfCounter.LowPart += pc.LowPart - perfSuspendCounter.LowPart; + } + else + oldPcTimer += RsTimer() - suspendPcTimer; +} + +UInt32 CTimer::GetCyclesPerMillisecond(void) +{ + if (_nCyclesPerMS != 0) + return _nCyclesPerMS; + else + return 1; +} + +UInt32 CTimer::GetCurrentTimeInCycles(void) +{ + if ( _nCyclesPerMS != 0 ) + { + LARGE_INTEGER pc; + QueryPerformanceCounter(&pc); + return (pc.LowPart - _oldPerfCounter.LowPart) & 0x7FFFFFFF; + } + else + return RsTimer() - oldPcTimer; +} + +Bool CTimer::GetIsSlowMotionActive(void) +{ + return ms_fTimeScale < 1.0f; +} + +void CTimer::Stop(void) +{ + m_snPreviousTimeInMilliseconds = m_snTimeInMilliseconds; +} + +void CTimer::StartUserPause(void) +{ + m_UserPause = true; +} + +void CTimer::EndUserPause(void) +{ + m_UserPause = false; +} + +#if 0 +STARTPATCHES + InjectHook(0x4ACE60, CTimer::Initialise, PATCH_JUMP); + InjectHook(0x4ACF60, CTimer::Shutdown, PATCH_JUMP); + InjectHook(0x4ACF70, CTimer::Update, PATCH_JUMP); + InjectHook(0x4AD310, CTimer::Suspend, PATCH_JUMP); + InjectHook(0x4AD370, CTimer::Resume, PATCH_JUMP); + InjectHook(0x4AD3F0, CTimer::GetCyclesPerMillisecond, PATCH_JUMP); + InjectHook(0x4AD410, CTimer::GetCurrentTimeInCycles, PATCH_JUMP); + InjectHook(0x4AD450, CTimer::GetIsSlowMotionActive, PATCH_JUMP); + InjectHook(0x4AD480, CTimer::Stop, PATCH_JUMP); + InjectHook(0x4AD490, CTimer::StartUserPause, PATCH_JUMP); + InjectHook(0x4AD4A0, CTimer::EndUserPause, PATCH_JUMP); +ENDPATCHES +#endif + |