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-rw-r--r--src/Timer.cpp218
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
+