Unstable v0.15.17.0 (Hex is out of town edition)

Barotrauma/BarotraumaShared/SharedSource/Utils/ToolBox.cs

@@ -9,6 +9,7 @@ using System.Linq;
 using System.Reflection;
 using System.Security.Cryptography;
 using System.Text;
+using System.Runtime.CompilerServices;
 
 namespace Barotrauma
 {
@@ -534,6 +535,16 @@ namespace Barotrauma
             }
         }
 
+        // Enum.HasFlag() sucks
+        public static bool IsBitSet<T>(this T self, T bit) where T : struct, Enum
+        {
+            // This uses Unsafe.As for performance reasons, as
+            // C# will otherwise not allow a T -> int cast
+            // without first casting to object, which would make
+            // this not any better than Enum.HasFlag
+            return (Unsafe.As<T, int>(ref self) & Unsafe.As<T, int>(ref bit)) != 0;
+        }
+
         public static string ByteArrayToString(byte[] ba)
         {
             StringBuilder hex = new StringBuilder(ba.Length * 2);