implemented MJA animation as frame archives.

ArcFormats/ArcFormats.csproj

@@ -91,6 +91,7 @@
     <Compile Include="Ankh\AudioPCM.cs" />
     <Compile Include="Aoi\ImageAGF.cs" />
     <Compile Include="ArcARCX.cs" />
+    <Compile Include="Artemis\ArcMJA.cs" />
     <Compile Include="BlackRainbow\ArcCCF.cs" />
     <Compile Include="BlackRainbow\ArcIMP.cs" />
     <Compile Include="BlackRainbow\ArcSPPAK.cs" />

ArcFormats/Artemis/ArcMJA.cs

@@ -0,0 +1,72 @@
+//! \file       ArcMJA.cs
+//! \date       Mon Mar 27 07:22:26 2017
+//! \brief      Artemis engine animation resource.
+//
+// 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;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.IO;
+
+namespace GameRes.Formats.Artemis
+{
+    [Export(typeof(ArchiveFormat))]
+    public class MjaOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "MJA"; } }
+        public override string Description { get { return "Artemis engine animation"; } }
+        public override uint     Signature { get { return 0x30414A4D; } } // 'MJA0'
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool      CanWrite { get { return false; } }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            int count = file.View.ReadInt32 (4);
+            if (!IsSaneCount (count))
+                return null;
+
+            var base_name = Path.GetFileNameWithoutExtension (file.Name);
+            long offset = 8;
+            var dir = new List<Entry>();
+            int i = 0;
+            while (offset < file.MaxOffset)
+            {
+                uint size = file.View.ReadUInt32 (offset);
+                offset += 4;
+                var entry = new Entry {
+                    Name    = string.Format ("{0}#{1:D4}", base_name, i++),
+                    Offset  = offset,
+                    Size    = size
+                };
+                if (!entry.CheckPlacement (file.MaxOffset))
+                    return null;
+                uint signature = file.View.ReadUInt32 (offset);
+                var res = AutoEntry.DetectFileType (signature);
+                entry.ChangeType (res);
+                offset += size;
+                dir.Add (entry);
+            }
+            return new ArcFile (file, this, dir);
+        }
+    }
+}