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(ALF): implemented append archives.

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This commit is contained in:
morkt 2018-12-02 19:39:58 +04:00
parent 9f5d6e2306
commit 2f314aa687
1 changed files with 13 additions and 8 deletions
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21
ArcFormats/Eushully/ArcALF.cs
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@ -46,13 +46,11 @@ namespace GameRes.Formats.Eushully
ContainedFormats = new[] { "AGF", "WAV", "AOG/SYS3", "SCR" }; ContainedFormats = new[] { "AGF", "WAV", "AOG/SYS3", "SCR" };
} }
static string[] IndexNames = new string[] { "sys4ini.bin", "sys3ini.bin" };
public override ArcFile TryOpen (ArcView file) public override ArcFile TryOpen (ArcView file)
{ {
string dir_name = Path.GetDirectoryName (file.Name); string dir_name = Path.GetDirectoryName (file.Name);
string file_name = Path.GetFileName (file.Name); string file_name = Path.GetFileName (file.Name);
foreach (var ini_name in IndexNames) foreach (var ini_name in GetIndexNames (file_name))
{ {
string ini_path = VFS.CombinePath (dir_name, ini_name); string ini_path = VFS.CombinePath (dir_name, ini_name);
if (VFS.FileExists (ini_path)) if (VFS.FileExists (ini_path))
@ -60,13 +58,18 @@ namespace GameRes.Formats.Eushully
var dir = ReadIndex (ini_path, file_name); var dir = ReadIndex (ini_path, file_name);
if (null != dir) if (null != dir)
return new ArcFile (file, this, dir); return new ArcFile (file, this, dir);
if (LastAccessedIndex != null)
break;
} }
} }
return null; return null;
} }
internal IEnumerable<string> GetIndexNames (string alf_name)
{
yield return "sys4ini.bin";
yield return "sys3ini.bin";
yield return Path.ChangeExtension (alf_name, "AAI");
}
Tuple<string, Dictionary<string, List<Entry>>> LastAccessedIndex; Tuple<string, Dictionary<string, List<Entry>>> LastAccessedIndex;
List<Entry> ReadIndex (string ini_file, string arc_name) List<Entry> ReadIndex (string ini_file, string arc_name)
@ -78,10 +81,12 @@ namespace GameRes.Formats.Eushully
using (var ini = VFS.OpenView (ini_file)) using (var ini = VFS.OpenView (ini_file))
{ {
IBinaryStream index; IBinaryStream index;
if (ini.View.AsciiEqual (0, "S4IC") || ini.View.AsciiEqual (0, "S3IC")) bool is_append = ini.View.AsciiEqual (0, "S4AC");
if (is_append || ini.View.AsciiEqual (0, "S4IC") || ini.View.AsciiEqual (0, "S3IC"))
{ {
uint packed_size = ini.View.ReadUInt32 (0x134); uint offset = is_append ? 0x114u : 0x134u;
var packed = ini.CreateStream (0x138, packed_size); uint packed_size = ini.View.ReadUInt32 (offset);
var packed = ini.CreateStream (offset+4, packed_size);
var unpacked = new LzssStream (packed); var unpacked = new LzssStream (packed);
index = new BinaryStream (unpacked, ini_file); index = new BinaryStream (unpacked, ini_file);
} }