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- added timescale support from GZDoom.

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This commit is contained in:
Christoph Oelckers 2020-09-27 08:30:28 +02:00
parent a5984ddc7c
commit 9285d91918
2 changed files with 5 additions and 3 deletions
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7
source/common/utility/i_time.cpp
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@ -48,10 +48,13 @@ static uint64_t CurrentFrameStartTime;
static uint64_t FreezeTime; static uint64_t FreezeTime;
int GameTicRate = 35; // make sure it is not 0, even if the client doesn't set it. int GameTicRate = 35; // make sure it is not 0, even if the client doesn't set it.
double TimeScale = 1.0;
static uint64_t GetClockTimeNS() static uint64_t GetClockTimeNS()
{ {
using namespace std::chrono; using namespace std::chrono;
return (uint64_t)(duration_cast<nanoseconds>(steady_clock::now().time_since_epoch()).count()); if (TimeScale == 1.0) return (uint64_t)(duration_cast<nanoseconds>(steady_clock::now().time_since_epoch()).count());
else return (uint64_t)((duration_cast<microseconds>(steady_clock::now().time_since_epoch()).count()) * (uint64_t)(TimeScale * 1000));
} }
static uint64_t MSToNS(unsigned int ms) static uint64_t MSToNS(unsigned int ms)
@ -73,12 +76,10 @@ static int NSToBuildTic(uint64_t ns)
{ {
return static_cast<int>(ns * 120 / 1'000'000'000); return static_cast<int>(ns * 120 / 1'000'000'000);
} }
static uint64_t TicToNS(int tic) static uint64_t TicToNS(int tic)
{ {
return static_cast<uint64_t>(tic) * 1'000'000'000 / GameTicRate; return static_cast<uint64_t>(tic) * 1'000'000'000 / GameTicRate;
} }
static uint64_t BuildTicToNS(int tic) static uint64_t BuildTicToNS(int tic)
{ {
return static_cast<uint64_t>(tic) * 1'000'000'000 / 120; return static_cast<uint64_t>(tic) * 1'000'000'000 / 120;

1
source/common/utility/i_time.h
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@ -3,6 +3,7 @@
#include <stdint.h> #include <stdint.h>
extern int GameTicRate; extern int GameTicRate;
extern double TimeScale;
// Called by D_DoomLoop, sets the time for the current frame // Called by D_DoomLoop, sets the time for the current frame
void I_SetFrameTime(); void I_SetFrameTime();