PROJECT: added common library to make common files actually common

- renamed sln to FFXIVClassic.sln
- threaded logging
- todo: print packets using Log.Packet

FFXIVClassic Common Class Lib/Bitfield.cs

@@ -0,0 +1,74 @@
+using System;
+
+namespace FFXIVClassic.Common
+{
+    [global::System.AttributeUsage(AttributeTargets.Field, AllowMultiple = false)]
+    public sealed class BitfieldLengthAttribute : Attribute
+    {
+        uint length;
+
+        public BitfieldLengthAttribute(uint length)
+        {
+            this.length = length;
+        }
+
+        public uint Length { get { return length; } }
+    }
+
+    public static class PrimitiveConversion
+    {
+        public static UInt32 ToUInt32<T>(T t) where T : struct
+        {
+            UInt32 r = 0;
+            int offset = 0;
+
+            // For every field suitably attributed with a BitfieldLength
+            foreach (System.Reflection.FieldInfo f in t.GetType().GetFields())
+            {
+                object[] attrs = f.GetCustomAttributes(typeof(BitfieldLengthAttribute), false);
+                if (attrs.Length == 1)
+                {
+                    uint fieldLength = ((BitfieldLengthAttribute)attrs[0]).Length;
+
+                    // Calculate a bitmask of the desired length
+                    uint mask = 0;
+                    for (int i = 0; i < fieldLength; i++)
+                        mask |= (UInt32)1 << i;
+
+                    r |= ((UInt32)f.GetValue(t) & mask) << offset;
+
+                    offset += (int)fieldLength;
+                }
+            }
+
+            return r;
+        }
+
+        public static long ToLong<T>(T t) where T : struct
+        {
+            long r = 0;
+            int offset = 0;
+
+            // For every field suitably attributed with a BitfieldLength
+            foreach (System.Reflection.FieldInfo f in t.GetType().GetFields())
+            {
+                object[] attrs = f.GetCustomAttributes(typeof(BitfieldLengthAttribute), false);
+                if (attrs.Length == 1)
+                {
+                    uint fieldLength = ((BitfieldLengthAttribute)attrs[0]).Length;
+
+                    // Calculate a bitmask of the desired length
+                    long mask = 0;
+                    for (int i = 0; i < fieldLength; i++)
+                        mask |= 1 << i;
+
+                    r |= ((UInt32)f.GetValue(t) & mask) << offset;
+
+                    offset += (int)fieldLength;
+                }
+            }
+
+            return r;
+        }
+    }
+}