Added FSO.Files for use with the API server

Don't ask me. FreeSO is the prime example of dependency hell.

server/tso.files/Formats/IFF/Chunks/BCON.cs

@@ -0,0 +1,50 @@
+using System.IO;
+using FSO.Files.Utils;
+
+namespace FSO.Files.Formats.IFF.Chunks
+{
+    /// <summary>
+    /// This chunk type holds a number of constants that behavior code can refer to. 
+    /// Labels may be provided for them in a TRCN chunk with the same ID.
+    /// </summary>
+    public class BCON : IffChunk
+    {
+        public byte Flags;
+        public ushort[] Constants = new ushort[0];
+
+        /// <summary>
+        /// Reads a BCON chunk from a stream.
+        /// </summary>
+        /// <param name="iff">An Iff instance.</param>
+        /// <param name="stream">A Stream instance holding a BCON.</param>
+        public override void Read(IffFile iff, Stream stream)
+        {
+            using (var io = IoBuffer.FromStream(stream, ByteOrder.LITTLE_ENDIAN))
+            {
+                var num = io.ReadByte();
+                Flags = io.ReadByte();
+
+                Constants = new ushort[num];
+                for (var i = 0; i < num; i++)
+                {
+                    Constants[i] = io.ReadUInt16();
+                }
+            }
+        }
+
+        public override bool Write(IffFile iff, Stream stream)
+        {
+            using (var io = IoWriter.FromStream(stream, ByteOrder.LITTLE_ENDIAN))
+            {
+                io.WriteByte((byte)Constants.Length);
+                io.WriteByte(Flags);
+                foreach (var c in Constants)
+                {
+                    io.WriteUInt16(c);
+                }
+
+                return true;
+            }
+        }
+    }
+}