GTA VC renderTimerResume

__int16 __cdecl renderTimerResume()
{
  long double diff; // fst7@2
  long double v1; // fst6@5
  float v2; // ST0C_4@8
  int v3; // eax@9
  long double v4; // fst6@9
  __int16 v5; // fps@13
  char v6; // c0@13
  char v7; // c2@13
  char v8; // c3@13
  __int16 result; // ax@13
  long double v10; // fst6@20
  LARGE_INTEGER PerformanceCount; // [sp+10h] [bp-Ch]@2

  renderTimerPaused = currentTime;
  if ( (long double)(unsigned int)performanceFrequency == dbl_691020 )
  {
    QueryPerformanceCounter(&PerformanceCount);
    diff = (long double)((PerformanceCount.s.LowPart - previousMicrosecondCount.s.LowPart) & 0x7FFFFFFF);
    if ( !PauseRender && !cd_not_in_drive )
      diff = diff * fGameSpeed;
    previousMicrosecondCount = PerformanceCount;
    v1 = diff / (long double)(unsigned int)performanceFrequency;
    TimesAfrequencyHasPassed = (signed __int64)((long double)(unsigned int)TimesAfrequencyHasPassed + v1);
    if ( PauseRender || cd_not_in_drive )
    {
      LODWORD(fProcessingTimer) = 0;
    }
    else
    {
      currentTime = (signed __int64)((long double)currentTime + v1);
      dword_A0D894 = (signed __int64)((long double)(unsigned int)dword_A0D894 + v1);
      v2 = diff / (long double)(unsigned int)performanceFrequency * dbl_691028;
      fProcessingTimer = v2;
    }
  }
  else
  {
    v3 = sub_6030F0();
    v4 = (long double)(unsigned int)(v3 - dword_A10680) * fGameSpeed;
    dword_A10680 = v3;
    TimesAfrequencyHasPassed = (signed __int64)((long double)(unsigned int)TimesAfrequencyHasPassed + v4);
    if ( PauseRender || cd_not_in_drive )
    {
      LODWORD(fProcessingTimer) = 0;
    }
    else
    {
      currentTime = (signed __int64)((long double)currentTime + v4);
      dword_A0D894 = (signed __int64)((long double)(unsigned int)dword_A0D894 + v4);
      fProcessingTimer = v4 * flt_691030 * flt_691034;
    }
  }
  UNDEF(v5);
  v6 = fProcessingTimer < (long double)flt_691038;
  v7 = 0;
  v8 = fProcessingTimer == flt_691038;
  result = __PAIR__(HIBYTE(v5), (unsigned __int8)v5) & 0x5FF;
  if ( fProcessingTimer >= (long double)flt_691038 && !PauseRender && !cd_not_in_drive && !byte_A10ADD )
    LODWORD(fProcessingTimer) = 1008981770;
  flt_9753A8 = fProcessingTimer;
  if ( word_A10936 != 2 )
  {
    v10 = fProcessingTimer < (long double)flt_69103C ? flt_69103C : fProcessingTimer;
    result = currentTime - renderTimerPaused;
    fProcessingTimer = v10;
    if ( currentTime - renderTimerPaused > 0x3C )
    {
      result = renderTimerPaused + 60;
      currentTime = renderTimerPaused + 60;
    }
  }
  if ( slowMotion == 1 )
  {
    LODWORD(fProcessingTimer) = 0x3F800000u;
    result = renderTimerPaused + 16;
    currentTime = renderTimerPaused + 16;
  }
  ++unk_Timer;
  return result;
}