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https://github.com/crskycode/GARbro.git
synced 2026-07-08 01:30:18 +08:00
implemented ON-Scripter archive creation.
This commit is contained in:
morkt
@@ -29,6 +29,8 @@ using System.Collections.Generic;
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using System.ComponentModel.Composition;
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using GameRes.Formats.Strings;
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using GameRes.Utility;
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using GameRes.Formats.Properties;
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using System.Text;
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namespace GameRes.Formats.ONScripter
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{
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@@ -37,22 +39,174 @@ namespace GameRes.Formats.ONScripter
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public Compression CompressionType { get; set; }
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}
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public class NsaOptions : ResourceOptions
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{
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public Compression CompressionType { get; set; }
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}
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public enum Compression
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{
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Unknown = 256,
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None = 0,
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Spb = 1,
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Lzss = 2,
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Nbz = 4,
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SPB = 1,
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LZSS = 2,
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NBZ = 4,
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}
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[Export(typeof(ArchiveFormat))]
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public class NsaOpener : ArchiveFormat
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public class SarOpener : ArchiveFormat
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{
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public override string Tag { get { return "NSA"; } }
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public override string Tag { get { return "SAR"; } }
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public override string Description { get { return arcStrings.NSADescription; } }
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public override uint Signature { get { return 0; } }
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public override bool IsHierarchic { get { return true; } }
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public override bool CanCreate { get { return true; } }
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public override ArcFile TryOpen (ArcView file)
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{
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int num_of_files = Binary.BigEndian (file.View.ReadInt16 (0));
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if (num_of_files <= 0)
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return null;
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uint base_offset = Binary.BigEndian (file.View.ReadUInt32 (2));
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if (base_offset >= file.MaxOffset || base_offset < 10 * (uint)num_of_files)
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return null;
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uint cur_offset = 6;
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var dir = new List<Entry>();
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for (int i = 0; i < num_of_files; ++i)
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{
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if (base_offset - cur_offset < 10)
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return null;
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int name_len;
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byte[] name_buffer = ReadName (file, cur_offset, base_offset-cur_offset, out name_len);
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if (0 == name_len || base_offset-cur_offset == name_len)
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return null;
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cur_offset += (uint)(name_len + 1);
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if (base_offset - cur_offset < 8)
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return null;
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var entry = new Entry
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{
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Name = Encodings.cp932.GetString (name_buffer, 0, name_len),
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};
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entry.Type = FormatCatalog.Instance.GetTypeFromName (entry.Name);
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entry.Offset = Binary.BigEndian (file.View.ReadUInt32 (cur_offset)) + (long)base_offset;
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entry.Size = Binary.BigEndian (file.View.ReadUInt32 (cur_offset+4));
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cur_offset += 8;
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dir.Add (entry);
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}
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return new ArcFile (file, this, dir);
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}
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public override Stream OpenEntry (ArcFile arc, Entry entry)
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{
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var nsa_entry = entry as NsaEntry;
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if (null != nsa_entry &&
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(Compression.LZSS == nsa_entry.CompressionType ||
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Compression.SPB == nsa_entry.CompressionType))
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{
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using (var input = arc.File.CreateStream (nsa_entry.Offset, nsa_entry.Size))
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{
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var decoder = new Unpacker (input, nsa_entry.UnpackedSize);
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switch (nsa_entry.CompressionType)
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{
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case Compression.LZSS: return decoder.LzssDecodedStream();
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case Compression.SPB: return decoder.SpbDecodedStream();
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}
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}
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}
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return arc.File.CreateStream (entry.Offset, entry.Size);
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}
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public override void Create (Stream output, IEnumerable<Entry> list, ResourceOptions options,
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EntryCallback callback)
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{
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var encoding = Encodings.cp932.WithFatalFallback();
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int callback_count = 0;
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var real_entry_list = new List<Entry>();
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var used_names = new HashSet<string>();
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int index_size = 0;
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foreach (var entry in list)
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{
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if (!used_names.Add (entry.Name)) // duplicate name
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continue;
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try
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{
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index_size += encoding.GetByteCount (entry.Name) + 1;
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}
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catch (EncoderFallbackException X)
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{
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throw new InvalidFileName (entry.Name, arcStrings.MsgIllegalCharacters, X);
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}
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index_size += 8;
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real_entry_list.Add (entry);
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}
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long start_offset = output.Position;
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long base_offset = 6+index_size;
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output.Seek (base_offset, SeekOrigin.Current);
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foreach (var entry in real_entry_list)
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{
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using (var input = File.OpenRead (entry.Name))
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{
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var file_size = input.Length;
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if (file_size > uint.MaxValue)
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throw new FileSizeException();
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long file_offset = output.Position - base_offset;
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if (file_offset+file_size > uint.MaxValue)
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throw new FileSizeException();
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entry.Offset = file_offset;
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entry.Size = (uint)file_size;
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if (null != callback)
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callback (callback_count++, entry, arcStrings.MsgAddingFile);
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input.CopyTo (output);
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}
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}
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if (null != callback)
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callback (callback_count++, null, arcStrings.MsgWritingIndex);
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output.Position = start_offset;
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using (var writer = new BinaryWriter (output, encoding, true))
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{
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writer.Write (Binary.BigEndian ((short)real_entry_list.Count));
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writer.Write (Binary.BigEndian ((uint)base_offset));
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foreach (var entry in real_entry_list)
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{
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writer.Write (encoding.GetBytes (entry.Name));
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writer.Write ((byte)0);
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writer.Write (Binary.BigEndian ((uint)entry.Offset));
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writer.Write (Binary.BigEndian ((uint)entry.Size));
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}
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}
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}
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protected static byte[] ReadName (ArcView file, uint offset, uint limit, out int name_len)
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{
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byte[] name_buffer = new byte[40];
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for (name_len = 0; name_len < limit; ++name_len)
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{
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byte b = file.View.ReadByte (offset+name_len);
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if (0 == b)
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break;
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if (name_buffer.Length == name_len)
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{
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byte[] new_buffer = new byte[checked(name_len/2*3)];
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Array.Copy (name_buffer, new_buffer, name_len);
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name_buffer = new_buffer;
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}
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name_buffer[name_len] = b;
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}
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return name_buffer;
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}
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}
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[Export(typeof(ArchiveFormat))]
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public class NsaOpener : SarOpener
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{
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public override string Tag { get { return "NSA"; } }
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public override ArcFile TryOpen (ArcView file)
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{
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@@ -90,9 +244,9 @@ namespace GameRes.Formats.ONScripter
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switch (compression_type)
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{
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case 0: entry.CompressionType = Compression.None; break;
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case 1: entry.CompressionType = Compression.Spb; break;
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case 2: entry.CompressionType = Compression.Lzss; break;
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case 4: entry.CompressionType = Compression.Nbz; break;
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case 1: entry.CompressionType = Compression.SPB; break;
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case 2: entry.CompressionType = Compression.LZSS; break;
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case 4: entry.CompressionType = Compression.NBZ; break;
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default: entry.CompressionType = Compression.Unknown; break;
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}
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cur_offset += 13;
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@@ -101,88 +255,86 @@ namespace GameRes.Formats.ONScripter
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return new ArcFile (file, this, dir);
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}
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public override Stream OpenEntry (ArcFile arc, Entry entry)
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public override ResourceOptions GetDefaultOptions ()
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{
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var nsa_entry = entry as NsaEntry;
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if (null != nsa_entry &&
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(Compression.Lzss == nsa_entry.CompressionType ||
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Compression.Spb == nsa_entry.CompressionType))
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{
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using (var input = arc.File.CreateStream (nsa_entry.Offset, nsa_entry.Size))
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{
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var decoder = new Unpacker (input, nsa_entry.UnpackedSize);
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switch (nsa_entry.CompressionType)
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{
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case Compression.Lzss: return decoder.LzssDecodedStream();
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case Compression.Spb: return decoder.SpbDecodedStream();
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}
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}
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}
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return arc.File.CreateStream (entry.Offset, entry.Size);
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return new NsaOptions {
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CompressionType = Settings.Default.ONSCompression,
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};
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}
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protected static byte[] ReadName (ArcView file, uint offset, uint limit, out int name_len)
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public override object GetCreationWidget ()
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{
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byte[] name_buffer = new byte[40];
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for (name_len = 0; name_len < limit; ++name_len)
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{
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byte b = file.View.ReadByte (offset+name_len);
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if (0 == b)
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break;
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if (name_buffer.Length == name_len)
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{
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byte[] new_buffer = new byte[checked(name_len/2*3)];
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Array.Copy (name_buffer, new_buffer, name_len);
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name_buffer = new_buffer;
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}
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name_buffer[name_len] = b;
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}
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return name_buffer;
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return new GUI.CreateONSWidget();
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}
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}
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[Export(typeof(ArchiveFormat))]
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public class SarOpener : NsaOpener
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{
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public override string Tag { get { return "SAR"; } }
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public override ArcFile TryOpen (ArcView file)
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public override void Create (Stream output, IEnumerable<Entry> list, ResourceOptions options,
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EntryCallback callback)
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{
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int num_of_files = Binary.BigEndian (file.View.ReadInt16 (0));
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if (num_of_files <= 0)
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return null;
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uint base_offset = Binary.BigEndian (file.View.ReadUInt32 (2));
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if (base_offset >= file.MaxOffset || base_offset < 10 * (uint)num_of_files)
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return null;
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var ons_options = GetOptions<NsaOptions> (options);
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var encoding = Encodings.cp932.WithFatalFallback();
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int callback_count = 0;
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uint cur_offset = 6;
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var dir = new List<Entry>();
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for (int i = 0; i < num_of_files; ++i)
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var real_entry_list = new List<NsaEntry>();
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var used_names = new HashSet<string>();
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int index_size = 0;
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foreach (var entry in list)
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{
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if (base_offset - cur_offset < 10)
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return null;
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int name_len;
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byte[] name_buffer = ReadName (file, cur_offset, base_offset-cur_offset, out name_len);
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if (0 == name_len || base_offset-cur_offset == name_len)
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return null;
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cur_offset += (uint)(name_len + 1);
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if (base_offset - cur_offset < 8)
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return null;
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var entry = new NsaEntry
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if (!used_names.Add (entry.Name)) // duplicate name
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continue;
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try
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{
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Name = Encodings.cp932.GetString (name_buffer, 0, name_len),
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};
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entry.Type = FormatCatalog.Instance.GetTypeFromName (entry.Name);
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entry.Offset = Binary.BigEndian (file.View.ReadUInt32 (cur_offset)) + (long)base_offset;
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entry.Size = Binary.BigEndian (file.View.ReadUInt32 (cur_offset+4));
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entry.UnpackedSize = entry.Size;
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entry.CompressionType = Compression.None;
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cur_offset += 8;
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dir.Add (entry);
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index_size += encoding.GetByteCount (entry.Name) + 1;
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}
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catch (EncoderFallbackException X)
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{
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throw new InvalidFileName (entry.Name, arcStrings.MsgIllegalCharacters, X);
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}
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var header_entry = new NsaEntry { Name = entry.Name };
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index_size += 13;
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real_entry_list.Add (header_entry);
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}
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long start_offset = output.Position;
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long base_offset = 6+index_size;
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output.Seek (base_offset, SeekOrigin.Current);
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foreach (var entry in real_entry_list)
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{
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using (var input = File.OpenRead (entry.Name))
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{
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var file_size = input.Length;
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if (file_size > uint.MaxValue)
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throw new FileSizeException();
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long file_offset = output.Position - base_offset;
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if (file_offset+file_size > uint.MaxValue)
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throw new FileSizeException();
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entry.Offset = file_offset;
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entry.Size = (uint)file_size;
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entry.UnpackedSize = entry.Size;
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entry.CompressionType = Compression.None;
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if (null != callback)
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callback (callback_count++, entry, arcStrings.MsgAddingFile);
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input.CopyTo (output);
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}
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}
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if (null != callback)
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callback (callback_count++, null, arcStrings.MsgWritingIndex);
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output.Position = start_offset;
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using (var writer = new BinaryWriter (output, encoding, true))
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{
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writer.Write (Binary.BigEndian ((short)real_entry_list.Count));
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writer.Write (Binary.BigEndian ((uint)base_offset));
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foreach (var entry in real_entry_list)
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{
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writer.Write (encoding.GetBytes (entry.Name));
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writer.Write ((byte)0);
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writer.Write ((byte)entry.CompressionType);
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writer.Write (Binary.BigEndian ((uint)entry.Offset));
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writer.Write (Binary.BigEndian ((uint)entry.Size));
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writer.Write (Binary.BigEndian ((uint)entry.UnpackedSize));
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}
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}
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return new ArcFile (file, this, dir);
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}
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}
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