(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/Factor/ArcRES.cs
+++ b/Legacy/Factor/ArcRES.cs
@@ -0,0 +1,130 @@
+//! \file       ArcRES.cs
+//! \date       2017 Nov 29
+//! \brief      Factor 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;
+
+namespace GameRes.Formats.Factor
+{
+    [Export(typeof(ArchiveFormat))]
+    public class PackOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "PACK/FACTOR"; } }
+        public override string Description { get { return "Factor resource archive"; } }
+        public override uint     Signature { get { return 0; } }
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool      CanWrite { get { return false; } }
+
+        public PackOpener ()
+        {
+            Extensions = new string[] { "" };
+        }
+
+        static readonly Regex PackNameRe = new Regex (@"^pack(\d)$");
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            var base_name = Path.GetFileNameWithoutExtension (file.Name);
+            var match = PackNameRe.Match (base_name);
+            if (!match.Success)
+                return null;
+            var pack_ext = Path.GetExtension (file.Name);
+            List<string> names = new List<string>();
+            /*
+            if (pack_ext.Equals (".bmp", StringComparison.InvariantCultureIgnoreCase))
+            {
+                var res_name = Path.ChangeExtension (file.Name, "res");
+                var res_num  = match.Groups[1].Value;
+                names.AddRange (ReadNames (res_name, res_num));
+            }
+            */
+            var dir = new List<Entry>();
+            long offset = 0;
+            int i = 0;
+            while (offset < file.MaxOffset)
+            {
+                uint size = file.View.ReadUInt32 (offset);
+                offset += 4;
+                string name;
+                if (i < names.Count)
+                    name = names[i];
+                else
+                    name = string.Format ("{0}#{1:D4}{2}", base_name, i, pack_ext);
+                var entry = FormatCatalog.Instance.Create<Entry> (name);
+                entry.Offset = offset;
+                entry.Size   = size;
+                if (!entry.CheckPlacement (file.MaxOffset))
+                    return null;
+                dir.Add (entry);
+                ++i;
+                offset += size;
+            }
+            return new ArcFile (file, this, dir);
+        }
+
+        public override Stream OpenEntry (ArcFile arc, Entry entry)
+        {
+            Stream input = arc.File.CreateStream (entry.Offset, entry.Size);
+            if (entry.Name.HasExtension (".res"))
+                input = new XoredStream (input, 0x80);
+            return input;
+        }
+
+        static readonly Regex FirstLineRe = new Regex (@"\\(\d)\\$");
+
+        IEnumerable<string> ReadNames (string res_name, string num)
+        {
+            if (!VFS.FileExists (res_name))
+                yield break;
+            using (var pack = VFS.OpenView (res_name))
+            {
+                uint offset = 4 + pack.View.ReadUInt32 (0);
+                offset += 4 + pack.View.ReadUInt32 (offset);
+                uint size = pack.View.ReadUInt32 (offset);
+                offset += 4;
+                if (offset >= pack.MaxOffset)
+                    yield break;
+                using (var res = pack.CreateStream (offset, size))
+                using (var decrypted = new XoredStream (res, 0x80))
+                using (var input = new StreamReader (decrypted, Encodings.cp932))
+                {
+                    var line = input.ReadLine();
+                    if (string.IsNullOrEmpty (line))
+                        yield break;
+                    var match = FirstLineRe.Match (line);
+                    if (!match.Success || match.Groups[1].Value != num)
+                        yield break;
+                    while ((line = input.ReadLine()) != null)
+                    {
+                        yield return line;
+                    }
+                }
+            }
+        }
+    }
+}