implemented AliceSoft AAR archives.

ArcFormats/AliceSoft/ArcAAR.cs

@@ -0,0 +1,90 @@
+//! \file       ArcAAR.cs
+//! \date       Tue Jan 10 19:40:28 2017
+//! \brief      AliceSoft resource archive.
+//
+// Copyright (C) 2017 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.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.IO;
+using GameRes.Compression;
+
+namespace GameRes.Formats.AliceSoft
+{
+    [Export(typeof(ArchiveFormat))]
+    public class AarOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "AAR"; } }
+        public override string Description { get { return "AliceSoft System engine resource archive"; } }
+        public override uint     Signature { get { return 0x00524141; } } // 'AAR'
+        public override bool  IsHierarchic { get { return true; } }
+        public override bool      CanWrite { get { return false; } }
+
+        public AarOpener ()
+        {
+            Extensions = new string[] { "red" };
+        }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            int count = file.View.ReadInt32 (8);
+            if (!IsSaneCount (count))
+                return null;
+
+            using (var index = file.CreateStream())
+            {
+                index.Position = 0xC;
+                var dir = new List<Entry> (count);
+                for (int i = 0; i < count; ++i)
+                {
+                    uint offset = index.ReadUInt32();
+                    uint size   = index.ReadUInt32();
+                    bool is_packed = index.ReadInt32() != 1;
+                    string name = index.ReadCString();
+                    var entry = FormatCatalog.Instance.Create<PackedEntry> (name);
+                    entry.Offset = offset;
+                    entry.Size = size;
+                    entry.IsPacked = is_packed;
+                    if (!entry.CheckPlacement (file.MaxOffset))
+                        return null;
+                    dir.Add (entry);
+                }
+                return new ArcFile (file, this, dir);
+            }
+        }
+
+        public override Stream OpenEntry (ArcFile arc, Entry entry)
+        {
+            if (!arc.File.View.AsciiEqual (entry.Offset, "ZLB\0"))
+                return base.OpenEntry (arc, entry);
+            var pent = entry as PackedEntry;
+            if (null != pent && 0 == pent.UnpackedSize)
+            {
+                pent.IsPacked = true;
+                pent.UnpackedSize = arc.File.View.ReadUInt32 (8);
+            }
+            uint packed_size = arc.File.View.ReadUInt32 (0xC);
+            var input = arc.File.CreateStream (entry.Offset+0x10, packed_size);
+            return new ZLibStream (input, CompressionMode.Decompress);
+        }
+    }
+}

ArcFormats/ArcFormats.csproj

@@ -78,6 +78,7 @@
     <Compile Include="Actgs\ArcDAT.cs" />
     <Compile Include="AdvSys\ArcAdvSys3.cs" />
     <Compile Include="AdvSys\ImageGWD.cs" />
+    <Compile Include="AliceSoft\ArcAAR.cs" />
     <Compile Include="AliceSoft\ArcAFA.cs" />
     <Compile Include="AliceSoft\ArcALK.cs" />
     <Compile Include="AliceSoft\ImageAJP.cs" />