From 8c06c4356d5ae572976794385eb9a33ff2962b87 Mon Sep 17 00:00:00 2001
From: morkt <morkt@users.noreply.github.com>
Date: Wed, 6 Jun 2018 00:45:31 +0400
Subject: [PATCH] (Legacy): MBM archives.

---
 Legacy/Logg/ArcMBM.cs | 93 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 Legacy/Logg/ArcMBM.cs

diff --git a/Legacy/Logg/ArcMBM.cs b/Legacy/Logg/ArcMBM.cs
new file mode 100644
index 00000000..dbb057e6
--- /dev/null
+++ b/Legacy/Logg/ArcMBM.cs
@@ -0,0 +1,93 @@
+//! \file       ArcMBM.cs
+//! \date       2018 May 30
+//! \brief      Logg resource archive.
+//
+// Copyright (C) 2018 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.Globalization;
+using System.Linq;
+
+// [981030][Logg] Physical Lesson
+
+namespace GameRes.Formats.Logg
+{
+    [Export(typeof(ArchiveFormat))]
+    public class MbmOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "MBM"; } }
+        public override string Description { get { return "Logg Adv engine resource archive"; } }
+        public override uint     Signature { get { return 0; } }
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool      CanWrite { get { return false; } }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            if (!file.Name.HasExtension ("MBM"))
+                return null;
+            var index = GetArchiveIndex (file);
+            if (null == index)
+                return null;
+            var dir = index.Take (index.Count - 1)
+                .Select (e => new Entry {
+                    Name = e.Value,
+                    Type = FormatCatalog.Instance.GetTypeFromName (e.Value),
+                    Offset = e.Key
+                }).ToList();
+            for (int i = 1; i < dir.Count; ++i)
+                dir[i-1].Size = (uint)(dir[i].Offset - dir[i-1].Offset);
+            dir[dir.Count-1].Size = (uint)(file.MaxOffset - dir[dir.Count-1].Offset);
+            return new ArcFile (file, this, dir);
+        }
+
+        IDictionary<uint, string> GetArchiveIndex (ArcView file)
+        {
+            uint last_offset = FileListMap.Value.Keys.Last();
+            if (last_offset != file.MaxOffset)
+                return null;
+            return FileListMap.Value;
+        }
+
+        Lazy<IDictionary<uint, string>> FileListMap = new Lazy<IDictionary<uint, string>> (ReadFileList);
+
+        static IDictionary<uint, string> ReadFileList ()
+        {
+            var file_map = new SortedDictionary<uint,string>();
+            var comma = new char[] {','};
+            FormatCatalog.Instance.ReadFileList ("logg_pl.lst", line => {
+                var parts = line.Split (comma, 2);
+                uint offset = uint.Parse (parts[0], NumberStyles.HexNumber);
+                if (2 == parts.Length)
+                {
+                    file_map[offset] = parts[1];
+                }
+                else
+                {
+                    file_map[offset] = null;
+                }
+            });
+            return file_map;
+        }
+    }
+}