1 files changed, 108 insertions, 0 deletions
diff --git a/src/Ryujinx.HLE/HOS/Services/Time/Clock/StandardUserSystemClockCore.cs b/src/Ryujinx.HLE/HOS/Services/Time/Clock/StandardUserSystemClockCore.cs
new file mode 100644
index 00000000..fa485437
--- /dev/null
+++ b/src/Ryujinx.HLE/HOS/Services/Time/Clock/StandardUserSystemClockCore.cs
@@ -0,0 +1,108 @@
+using Ryujinx.Cpu;
+using Ryujinx.HLE.HOS.Kernel.Threading;
+using System;
+
+namespace Ryujinx.HLE.HOS.Services.Time.Clock
+{
+    class StandardUserSystemClockCore : SystemClockCore
+    {
+        private StandardLocalSystemClockCore   _localSystemClockCore;
+        private StandardNetworkSystemClockCore _networkSystemClockCore;
+        private bool                           _autoCorrectionEnabled;
+        private SteadyClockTimePoint           _autoCorrectionTime;
+        private KEvent                         _autoCorrectionEvent;
+
+        public StandardUserSystemClockCore(StandardLocalSystemClockCore localSystemClockCore, StandardNetworkSystemClockCore networkSystemClockCore) : base(localSystemClockCore.GetSteadyClockCore())
+        {
+            _localSystemClockCore   = localSystemClockCore;
+            _networkSystemClockCore = networkSystemClockCore;
+            _autoCorrectionEnabled  = false;
+            _autoCorrectionTime     = SteadyClockTimePoint.GetRandom();
+            _autoCorrectionEvent    = null;
+        }
+
+        protected override ResultCode Flush(SystemClockContext context)
+        {
+            // As UserSystemClock isn't a real system clock, this shouldn't happens.
+            throw new NotImplementedException();
+        }
+
+        public override ResultCode GetClockContext(ITickSource tickSource, out SystemClockContext context)
+        {
+            ResultCode result = ApplyAutomaticCorrection(tickSource, false);
+
+            context = new SystemClockContext();
+
+            if (result == ResultCode.Success)
+            {
+                return _localSystemClockCore.GetClockContext(tickSource, out context);
+            }
+
+            return result;
+        }
+
+        public override ResultCode SetClockContext(SystemClockContext context)
+        {
+            return ResultCode.NotImplemented;
+        }
+
+        private ResultCode ApplyAutomaticCorrection(ITickSource tickSource, bool autoCorrectionEnabled)
+        {
+            ResultCode result = ResultCode.Success;
+
+            if (_autoCorrectionEnabled != autoCorrectionEnabled && _networkSystemClockCore.IsClockSetup(tickSource))
+            {
+                result = _networkSystemClockCore.GetClockContext(tickSource, out SystemClockContext context);
+
+                if (result == ResultCode.Success)
+                {
+                    _localSystemClockCore.SetClockContext(context);
+                }
+            }
+
+            return result;
+        }
+
+        internal void CreateAutomaticCorrectionEvent(Horizon system)
+        {
+            _autoCorrectionEvent = new KEvent(system.KernelContext);
+        }
+
+        public ResultCode SetAutomaticCorrectionEnabled(ITickSource tickSource, bool autoCorrectionEnabled)
+        {
+            ResultCode result = ApplyAutomaticCorrection(tickSource, autoCorrectionEnabled);
+
+            if (result == ResultCode.Success)
+            {
+                _autoCorrectionEnabled = autoCorrectionEnabled;
+            }
+
+            return result;
+        }
+
+        public bool IsAutomaticCorrectionEnabled()
+        {
+            return _autoCorrectionEnabled;
+        }
+
+        public KReadableEvent GetAutomaticCorrectionReadableEvent()
+        {
+            return _autoCorrectionEvent.ReadableEvent;
+        }
+
+        public void SetAutomaticCorrectionUpdatedTime(SteadyClockTimePoint steadyClockTimePoint)
+        {
+            _autoCorrectionTime = steadyClockTimePoint;
+        }
+
+        public SteadyClockTimePoint GetAutomaticCorrectionUpdatedTime()
+        {
+            return _autoCorrectionTime;
+        }
+
+        public void SignalAutomaticCorrectionEvent()
+        {
+            _autoCorrectionEvent.WritableEvent.Signal();
+        }
+    }
+}