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feat(timer): improve high-FPS timing with high-resolution Windows clock

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This commit is contained in:
daoge_cmd
2026-03-03 00:31:47 +08:00
parent a4691f58e8
commit bbb199c2a2
3 changed files with 21 additions and 4 deletions
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9
Minecraft.Client/Timer.cpp
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@@ -22,8 +22,9 @@ void Timer::advanceTime()
{
__int64 nowMs = System::currentTimeMillis();
__int64 passedMs = nowMs - lastMs;
__int64 msSysTime = System::nanoTime() / 1000000;
double now = msSysTime / 1000.0;
// 4J - Use high-resolution timer for 'now' in seconds
double now = System::nanoTime() / 1000000000.0;
if (passedMs > 1000)
@@ -39,6 +40,7 @@ void Timer::advanceTime()
accumMs += passedMs;
if (accumMs > 1000)
{
__int64 msSysTime = (__int64)(now * 1000.0);
__int64 passedMsSysTime = msSysTime - lastMsSysTime;
double adjustTimeT = accumMs / (double) passedMsSysTime;
@@ -49,7 +51,7 @@ void Timer::advanceTime()
}
if (accumMs < 0)
{
lastMsSysTime = msSysTime;
lastMsSysTime = (__int64)(now * 1000.0);
}
}
lastMs = nowMs;
@@ -68,7 +70,6 @@ void Timer::advanceTime()
if (ticks > MAX_TICKS_PER_UPDATE) ticks = MAX_TICKS_PER_UPDATE;
a = passedTime;
}
void Timer::advanceTimeQuickly()