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System Time Offset Implementation (#1101)

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* System Time Offset Implementation

* Addressed @Thog's comments

* Addressed JD's comments

* Addressed @Thog's and @AcK77's comments

* formatting correction
This commit is contained in:
CJ Bok
2020-04-17 01:18:54 +02:00
committed by GitHub
parent e4ee61d6c3
commit 0a7c6caedf
8 changed files with 320 additions and 6 deletions
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19
Ryujinx.HLE/HOS/Horizon.cs
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@@ -9,6 +9,7 @@ using LibHac.Ns;
using LibHac.Spl;
using Ryujinx.Common.Configuration;
using Ryujinx.Common.Logging;
using Ryujinx.Configuration;
using Ryujinx.HLE.FileSystem.Content;
using Ryujinx.HLE.HOS.Font;
using Ryujinx.HLE.HOS.Kernel.Common;
@@ -224,8 +225,24 @@ namespace Ryujinx.HLE.HOS
// We assume the rtc is system time.
TimeSpanType systemTime = TimeSpanType.FromSeconds((long)rtcValue);
// Configure and setup internal offset
TimeSpanType internalOffset = TimeSpanType.FromSeconds(ConfigurationState.Instance.System.SystemTimeOffset);
TimeSpanType systemTimeOffset = new TimeSpanType(systemTime.NanoSeconds + internalOffset.NanoSeconds);
if (systemTime.IsDaylightSavingTime() && !systemTimeOffset.IsDaylightSavingTime())
{
internalOffset = internalOffset.AddSeconds(3600L);
}
else if (!systemTime.IsDaylightSavingTime() && systemTimeOffset.IsDaylightSavingTime())
{
internalOffset = internalOffset.AddSeconds(-3600L);
}
internalOffset = new TimeSpanType(-internalOffset.NanoSeconds);
// First init the standard steady clock
TimeServiceManager.Instance.SetupStandardSteadyClock(null, clockSourceId, systemTime, TimeSpanType.Zero, TimeSpanType.Zero, false);
TimeServiceManager.Instance.SetupStandardSteadyClock(null, clockSourceId, systemTime, internalOffset, TimeSpanType.Zero, false);
TimeServiceManager.Instance.SetupStandardLocalSystemClock(null, new SystemClockContext(), systemTime.ToSeconds());
if (NxSettings.Settings.TryGetValue("time!standard_network_clock_sufficient_accuracy_minutes", out object standardNetworkClockSufficientAccuracyMinutes))

15
Ryujinx.HLE/HOS/Services/Time/Clock/Types/TimeSpanType.cs
View File

@@ -1,4 +1,5 @@
using System.Runtime.InteropServices;
using System;
using System.Runtime.InteropServices;
namespace Ryujinx.HLE.HOS.Services.Time.Clock
{
@@ -9,6 +10,8 @@ namespace Ryujinx.HLE.HOS.Services.Time.Clock
public static readonly TimeSpanType Zero = new TimeSpanType(0);
private static readonly DateTime UnixEpoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
public long NanoSeconds;
public TimeSpanType(long nanoSeconds)
@@ -21,6 +24,16 @@ namespace Ryujinx.HLE.HOS.Services.Time.Clock
return NanoSeconds / NanoSecondsPerSecond;
}
public TimeSpanType AddSeconds(long seconds)
{
return new TimeSpanType(NanoSeconds + (seconds * NanoSecondsPerSecond));
}
public bool IsDaylightSavingTime()
{
return UnixEpoch.AddSeconds(ToSeconds()).ToLocalTime().IsDaylightSavingTime();
}
public static TimeSpanType FromSeconds(long seconds)
{
return new TimeSpanType(seconds * NanoSecondsPerSecond);