(Legacy): separate project for old resource formats.

2026-07-08 01:30:18 +08:00 · 2017-12-05 22:38:00 +04:00
parent 27e44ff9eb
commit 716e6d27c8
13 changed files with 1203 additions and 3 deletions
--- a/Legacy/Rain/ArcBIN.cs
+++ b/Legacy/Rain/ArcBIN.cs
@@ -0,0 +1,92 @@
+//! \file       ArcBIN.cs
+//! \date       2017 Dec 03
+//! \brief      Rain Software 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;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.IO;
+using System.Text.RegularExpressions;
+using GameRes.Compression;
+
+namespace GameRes.Formats.Rain
+{
+    [Export(typeof(ArchiveFormat))]
+    public class BinOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "BIN/RAIN"; } }
+        public override string Description { get { return "Rain Software resource archive"; } }
+        public override uint     Signature { get { return 0; } }
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool      CanWrite { get { return false; } }
+
+        static readonly Regex PackNameRe = new Regex (@"^pack(...)\.bin$", RegexOptions.IgnoreCase);
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            int count = file.View.ReadInt32 (0);
+            bool is_compressed = 0 == (count & 0x80000000);
+            count &= 0x7FFFFFFF;
+            if (!IsSaneCount (count))
+                return null;
+            var match = PackNameRe.Match (Path.GetFileName (file.Name));
+            if (!match.Success)
+                return null;
+            var ext = match.Groups[1].Value;
+            uint index_size = (uint)count * 12;
+            if (index_size > file.View.Reserve (4, index_size))
+                return null;
+            uint index_offset = 4;
+            uint data_offset = 4 + index_size;
+            var dir = new List<Entry> (count);
+            var seen_nums = new HashSet<uint>();
+            for (int i = 0; i < count; ++i)
+            {
+                uint num = file.View.ReadUInt32 (index_offset);
+                if (num > 0xFFFFFF || !seen_nums.Add (num))
+                    return null;
+                var name = string.Format ("{0:D5}.{1}", num, ext);
+                var entry = FormatCatalog.Instance.Create<Entry> (name);
+                entry.Offset = file.View.ReadUInt32 (index_offset+4);
+                entry.Size   = file.View.ReadUInt32 (index_offset+8);
+                if (entry.Offset < data_offset || !entry.CheckPlacement (file.MaxOffset))
+                    return null;
+                dir.Add (entry);
+                index_offset += 12;
+            }
+            return new ArcFile (file, this, dir);
+        }
+
+        public override Stream OpenEntry (ArcFile arc, Entry entry)
+        {
+            if (!arc.File.View.AsciiEqual (entry.Offset, "SZDD"))
+                return base.OpenEntry (arc, entry);
+            var input = arc.File.CreateStream (entry.Offset+12, entry.Size-12);
+            var lzss = new LzssStream (input);
+            lzss.Config.FrameFill = 0x20;
+            lzss.Config.FrameInitPos = 0xFF0;
+            return lzss;
+        }
+    }
+}