(Parsley): scn.dat archive format.

ArcFormats/Software House Parsley/ArcScn.cs

@@ -0,0 +1,63 @@
+//! \file       ArcScn.cs
+//! \date       2023 Aug 28
+//! \brief      Software House Parsley scripts archive.
+//
+// Copyright (C) 2023 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;
+
+namespace GameRes.Formats.Parsley
+{
+    [Export(typeof(ArchiveFormat))]
+    public class ScnDatOpener : ArchiveFormat
+    {
+        public override string         Tag { get => "DAT/SCN"; }
+        public override string Description { get => "Software House Parsley scenario archive"; }
+        public override uint     Signature { get => 0; }
+        public override bool  IsHierarchic { get => false; }
+        public override bool      CanWrite { get => false; }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            if (!VFS.IsPathEqualsToFileName (file.Name, "scn.dat"))
+                return null;
+            uint base_offset = 0x1400;
+            uint index_pos = 0;
+            var dir = new List<Entry>();
+            while (index_pos < base_offset && file.View.ReadByte (index_pos) != 0)
+            {
+                var name = file.View.ReadString (index_pos, 0x20);
+                var entry = Create<Entry> (name);
+                entry.Offset = file.View.ReadUInt32 (index_pos+0x20) + base_offset;
+                entry.Size   = file.View.ReadUInt32 (index_pos+0x24);
+                if (!entry.CheckPlacement (file.MaxOffset))
+                    return null;
+                dir.Add (entry);
+                index_pos += 0x28;
+            }
+            if (dir.Count == 0)
+                return null;
+            return new ArcFile (file, this, dir);
+        }
+    }
+}