From 1431ac3124ace604c337cf424da4b481868f6268 Mon Sep 17 00:00:00 2001
From: morkt <muvluv.ru@gmail.com>
Date: Thu, 26 Feb 2015 08:21:49 +0400
Subject: [PATCH] Tactics resource archive implementation.

---
 ArcFormats/ArcLST.cs | 90 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 ArcFormats/ArcLST.cs

diff --git a/ArcFormats/ArcLST.cs b/ArcFormats/ArcLST.cs
new file mode 100644
index 00000000..ad8488b1
--- /dev/null
+++ b/ArcFormats/ArcLST.cs
@@ -0,0 +1,90 @@
+//! \file       ArcLST.cs
+//! \date       Fri Feb 06 05:47:09 2015
+//! \brief      Moon. archive format.
+//
+// Copyright (C) 2015 by morkt
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//
+
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.IO;
+using System.Text;
+
+namespace GameRes.Formats.Tactics
+{
+    [Export(typeof(ArchiveFormat))]
+    public class LstOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "LST"; } }
+        public override string Description { get { return "Tactics resource archive"; } }
+        public override uint     Signature { get { return 0; } }
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool     CanCreate { get { return false; } }
+
+        public LstOpener ()
+        {
+            Extensions = new string[] { "" };
+        }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            string lstname = file.Name + ".lst";
+            if (!File.Exists (lstname))
+                return null;
+            using (var lst = new ArcView (lstname))
+            {
+                int count = (int)(lst.View.ReadUInt32 (0) ^ 0xcccccccc);
+                if (count <= 0 || (4 + count*0x2c) > lst.MaxOffset)
+                    return null;
+                var cp932 = Encodings.cp932.WithFatalFallback();
+                var dir = new List<Entry> (count);
+                uint index_offset = 4;
+                for (int i = 0; i < count; ++i)
+                {
+                    string name = ReadName (lst, index_offset+8, 0x24, cp932);
+                    var entry = FormatCatalog.Instance.CreateEntry (name);
+                    entry.Offset = lst.View.ReadUInt32 (index_offset) ^ 0xcccccccc;
+                    entry.Size   = lst.View.ReadUInt32 (index_offset+4) ^ 0xcccccccc;
+                    if (!entry.CheckPlacement (file.MaxOffset))
+                        return null;
+                    dir.Add (entry);
+                    index_offset += 0x2c;
+                }
+                return new ArcFile (file, this, dir);
+            }
+        }
+
+        private static string ReadName (ArcView view, long offset, uint size, Encoding enc)
+        {
+            byte[] buffer = new byte[size];
+            uint n;
+            for (n = 0; n < size; ++n)
+            {
+                byte b = view.View.ReadByte (offset+n);
+                if (0 == b)
+                    break;
+                buffer[n] = (byte)(b^0xcc);
+            }
+            return enc.GetString (buffer, 0, (int)n);
+        }
+    }
+}