1 files changed, 84 insertions, 0 deletions
diff --git a/Ryujinx.Common/Logging/Logger.cs b/Ryujinx.Common/Logging/Logger.cs
new file mode 100644
index 00000000..6422f113
--- /dev/null
+++ b/Ryujinx.Common/Logging/Logger.cs
@@ -0,0 +1,84 @@
+using System;
+using System.Diagnostics;
+using System.Runtime.CompilerServices;
+
+namespace Ryujinx.Common.Logging
+{
+    public static class Logger
+    {
+        private static bool[] EnabledLevels;
+        private static bool[] EnabledClasses;
+
+        public static event EventHandler<LogEventArgs> Updated;
+
+        private static Stopwatch Time;
+
+        static Logger()
+        {
+            EnabledLevels  = new bool[Enum.GetNames(typeof(LogLevel)).Length];
+            EnabledClasses = new bool[Enum.GetNames(typeof(LogClass)).Length];
+
+            EnabledLevels[(int)LogLevel.Stub]    = true;
+            EnabledLevels[(int)LogLevel.Info]    = true;
+            EnabledLevels[(int)LogLevel.Warning] = true;
+            EnabledLevels[(int)LogLevel.Error]   = true;
+
+            for (int Index = 0; Index < EnabledClasses.Length; Index++)
+            {
+                EnabledClasses[Index] = true;
+            }
+
+            Time = new Stopwatch();
+
+            Time.Start();
+        }
+
+        public static void SetEnable(LogLevel Level, bool Enabled)
+        {
+            EnabledLevels[(int)Level] = Enabled;
+        }
+
+        public static void SetEnable(LogClass Class, bool Enabled)
+        {
+            EnabledClasses[(int)Class] = Enabled;
+        }
+
+        public static void PrintDebug(LogClass Class, string Message, [CallerMemberName] string Caller = "")
+        {
+            Print(LogLevel.Debug, Class, GetFormattedMessage(Class, Message, Caller));
+        }
+
+        public static void PrintStub(LogClass Class, string Message, [CallerMemberName] string Caller = "")
+        {
+            Print(LogLevel.Stub, Class, GetFormattedMessage(Class, Message, Caller));
+        }
+
+        public static void PrintInfo(LogClass Class, string Message, [CallerMemberName] string Caller = "")
+        {
+            Print(LogLevel.Info, Class, GetFormattedMessage(Class, Message, Caller));
+        }
+
+        public static void PrintWarning(LogClass Class, string Message, [CallerMemberName] string Caller = "")
+        {
+            Print(LogLevel.Warning, Class, GetFormattedMessage(Class, Message, Caller));
+        }
+
+        public static void PrintError(LogClass Class, string Message, [CallerMemberName] string Caller = "")
+        {
+            Print(LogLevel.Error, Class, GetFormattedMessage(Class, Message, Caller));
+        }
+
+        private static void Print(LogLevel Level, LogClass Class, string Message)
+        {
+            if (EnabledLevels[(int)Level] && EnabledClasses[(int)Class])
+            {
+                Updated?.Invoke(null, new LogEventArgs(Level, Time.Elapsed, Message));
+            }
+        }
+
+        private static string GetFormattedMessage(LogClass Class, string Message, string Caller)
+        {
+            return $"{Class} {Caller}: {Message}";
+        }
+    }
+}
+\ No newline at end of file