add Tengai Makyō II Archive support

Venomalia · Jun 17, 2023 · 43cc712 · 43cc712
1 parent 01af394
commit 43cc712
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diff --git a/lib/AuroraLip/Archives/Formats/PAK_TM2.cs b/lib/AuroraLip/Archives/Formats/PAK_TM2.cs
@@ -0,0 +1,53 @@
+using AuroraLib.Archives;
+using AuroraLib.Common;
+
+namespace AuroraLip.Archives.Formats
+{
+    public class PAK_TM2 : Archive, IFileAccess
+    {
+        public bool CanRead => true;
+
+        public bool CanWrite => false;
+
+        public const string Extension = ".pak";
+
+        public bool IsMatch(Stream stream, in string extension = "")
+            => Matcher(stream, extension);
+
+        public static bool Matcher(Stream stream, in string extension = "")
+        {
+            if (extension == Extension && stream.Length > 0x20)
+            {
+                uint entryCount = stream.ReadUInt32(Endian.Big);
+                if (entryCount != 0 && entryCount < 1024 && stream.Position + entryCount * 8 < stream.Length)
+                {
+                    stream.Seek((entryCount - 1) * 8, SeekOrigin.Current);
+                    Entry lastEntry = stream.Read<Entry>(Endian.Big);
+                    return lastEntry.Offset + lastEntry.Size == stream.Length;
+                }
+            }
+            return false;
+        }
+
+        protected override void Read(Stream stream)
+        {
+            uint entryCount = stream.ReadUInt32(Endian.Big);
+            Entry[] entrys = stream.For((int)entryCount, s => s.Read<Entry>(Endian.Big));
+
+
+            Root = new ArchiveDirectory() { OwnerArchive = this };
+            for (int i = 0; i < entrys.Length; i++)
+            {
+                Root.AddArchiveFile(stream, entrys[i].Size, entrys[i].Offset, $"Entry_{i}");
+            }
+        }
+
+        protected override void Write(Stream stream) => throw new NotImplementedException();
+
+        private struct Entry
+        {
+            public uint Offset;
+            public uint Size;
+        }
+    }
+}
diff --git a/lib/AuroraLip/Common/FormatDictionary_List.cs b/lib/AuroraLip/Common/FormatDictionary_List.cs
@@ -431,6 +431,10 @@ public static partial class FormatDictionary
             new FormatInfo(".loc","LOCH", FormatType.Unknown,"","EA"),
             new FormatInfo(".pfd","PFDx", FormatType.Unknown,"","EA"),
 
+            //Red Entertainment
+            new FormatInfo(".pak", FormatType.Archive, "Tengai Makyō II Archive", "Red Entertainment"){ Class = typeof(PAK_TM2), IsMatch = PAK_TM2.Matcher },
+            new FormatInfo(".cns","@CNS", FormatType.Archive, "CNS Compressed", "Red Entertainment"),
+
             //mix
             //new FormatInfo(".cmpr","CMPR", FormatType.Archive, "compressed Data"),
             new FormatInfo(".ash","ASH0", FormatType.Archive, comp_), //https://github.com/trapexit/wiiqt/blob/master/WiiQt/ash.cpp