Added FSO.Files for use with the API server

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

server/tso.files/HIT/HITConstants.cs

@@ -0,0 +1,72 @@
+namespace FSO.Files.HIT
+{
+    public enum HITArgs
+    {
+        kArgsNormal = 0,
+        kArgsVolPan = 1,
+        kArgsIdVolPan = 2,
+        kArgsXYZ = 3
+    }
+
+    public enum HITControlGroups
+    {
+        kGroupSFX = 1,
+        kGroupMusic = 2,
+        kGroupVox = 3
+    }
+
+    public enum HITDuckingPriorities
+    {
+        duckpri_unknown1 = 32,
+        duckpri_unknown2 = 5000,
+        duckpri_always = 0x0,
+        duckpri_low = 0x1,
+        duckpri_normal = 0x14,
+        duckpri_high = 0x1e,
+        duckpri_higher = 0x28,
+        duckpri_evenhigher = 0x32,
+        duckpri_never = 0x64
+    }
+
+    public enum HITEvents
+    {
+        kSoundobPlay = 1,
+        kSoundobStop = 2,
+        kSoundobKill = 3,
+        kSoundobUpdate = 4,
+        kSoundobSetVolume = 5,
+        kSoundobSetPitch = 6,
+        kSoundobSetPan = 7,
+        kSoundobSetPosition = 8,
+        kSoundobSetFxType = 9,
+        kSoundobSetFxLevel = 10,
+        kSoundobPause = 11,
+        kSoundobUnpause = 12,
+        kSoundobLoad = 13,
+        kSoundobUnload = 14,
+        kSoundobCache = 15,
+        kSoundobUncache = 16,
+        kSoundobCancelNote = 19,
+        kKillAll = 20,
+        kPause = 21,
+        kUnpause = 22,
+        kKillInstance = 23,
+        kTurnOnTV = 30,
+        kTurnOffTV = 31,
+        kUpdateSourceVolPan = 32,
+        kSetMusicMode = 36,
+        kPlayPiano = 43,
+        debugeventson = 44,
+        debugeventsoff = 45,
+        debugsampleson = 46,
+        debugsamplesoff = 47,
+        debugtrackson = 48,
+        debugtracksoff = 49
+    }
+
+    public enum HITPerson
+    {
+        Instance = 0x0,
+        Gender = 0x1
+    }
+}