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/DBPF/DBPFEntry.cs

@@ -0,0 +1,60 @@
+namespace FSO.Files.Formats.DBPF
+{
+    /// <summary>
+    /// GroupIDs for DBPF archives, defined in sys\\tsosounddata.ini
+    /// </summary>
+    public enum DBPFGroupID : uint
+    {
+        Multiplayer = 0x29dd0888,
+        Custom = 0x29daa4a6,
+        CustomTrks = 0x29d9359d,
+        Tracks = 0xa9c6c89a,
+        TrackDefs = 0xfdbdbf87,
+        tsov2 = 0x69c6c943,
+        Samples = 0x9dbdbf89,
+        HitLists = 0x9dbdbf74,
+        HitListsTemp = 0xc9c6c9b3,
+        Stings = 0xddbdbf8c,
+        HitLabUI = 0x1d6962cf,
+        HitLabTestSamples = 0x1d8a8b4f,
+        HitLabTest = 0xbd6e5937,
+        EP2 = 0xdde8f5c6,
+        EP5Samps = 0x8a6fcc30
+    }
+
+    /// <summary>
+    /// TypeIDs for DBPF archives, defined in sys\\tsoaudio.ini
+    /// </summary>
+    public enum DBPFTypeID : uint
+    {
+        XA = 0x1d07eb4b,
+        UTK = 0x1b6b9806,
+        WAV = 0xbb7051f5,
+        MP3 = 0x3cec2b47,
+        TRK = 0x5D73A611,
+        HIT = 0x7b1acfcd,
+        SoundFX = 0x2026960b, 
+    }
+
+    /// <summary>
+    /// Represents an entry in a DBPF archive.
+    /// </summary>
+    public class DBPFEntry
+    {
+        //A 4-byte integer describing what type of file is held
+        public DBPFTypeID TypeID;
+
+        //A 4-byte integer identifying what resource group the file belongs to
+        public DBPFGroupID GroupID;
+
+        //A 4-byte ID assigned to the file which, together with the Type ID and the second instance ID (if applicable), is assumed to be unique all throughout the game
+        public uint InstanceID;
+        //too bad we're not using a version with a second instance id!!
+
+        //A 4-byte unsigned integer specifying the offset to the entry's data from the beginning of the archive
+        public uint FileOffset;
+
+        //A 4-byte unsigned integer specifying the size of the entry's data
+        public uint FileSize;
+    }
+}