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(MBL): graphics archive format variation.

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This commit is contained in:
morkt 2017-11-12 09:56:01 +04:00
parent 6e035b7c25
commit 41fe47f7b5
1 changed files with 69 additions and 4 deletions
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73
ArcFormats/Marble/ArcMBL.cs
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@ -28,9 +28,9 @@ using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.IO;
using System.Linq;
using GameRes.Compression;
using GameRes.Formats.Properties;
using GameRes.Formats.Strings;
using GameRes.Utility;
namespace GameRes.Formats.Marble
{
@ -144,9 +144,9 @@ namespace GameRes.Formats.Marble
return null;
if (contains_scripts)
{
var options = Query<MblOptions> (arcStrings.MBLNotice);
if (options.PassPhrase.Length > 0)
return new MblArchive (file, this, dir, options.PassPhrase);
var password = QueryPassPhrase (file.Name);
if (!string.IsNullOrEmpty (password))
return new MblArchive (file, this, dir, password);
}
return new ArcFile (file, this, dir);
}
@ -187,6 +187,15 @@ namespace GameRes.Formats.Marble
return new BinMemoryStream (data, entry.Name);
}
string QueryPassPhrase (string arc_name)
{
var title = FormatCatalog.Instance.LookupGame (arc_name);
if (!string.IsNullOrEmpty (title) && KnownKeys.ContainsKey (title))
return KnownKeys[title];
var options = Query<MblOptions> (arcStrings.MBLNotice);
return options.PassPhrase;
}
public override ResourceOptions GetDefaultOptions ()
{
return new MblOptions { PassPhrase = Settings.Default.MBLPassPhrase };
@ -197,4 +206,60 @@ namespace GameRes.Formats.Marble
return new GUI.WidgetMBL();
}
}
[Export(typeof(ArchiveFormat))]
public class GraMblOpener : ArchiveFormat
{
public override string Tag { get { return "MBL/GRA"; } }
public override string Description { get { return "Marble engine graphics archive"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
public override ArcFile TryOpen (ArcView file)
{
uint filename_len = file.View.ReadUInt32 (0);
int count = file.View.ReadInt32 (4);
if (filename_len < 8 || filename_len > 0x40 || !IsSaneCount (count))
return null;
var arc_name = Path.GetFileNameWithoutExtension (file.Name);
if (!arc_name.Equals ("mg_gra", StringComparison.InvariantCultureIgnoreCase))
return null;
uint index_offset = 8;
uint index_size = (8u + filename_len) * (uint)count;
if (index_size > file.View.Reserve (index_offset, index_size))
return null;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
string name = file.View.ReadString (index_offset, filename_len);
if (0 == name.Length)
break;
name = name.ToLowerInvariant();
index_offset += filename_len;
var entry = new Entry {
Name = Path.ChangeExtension (name, "bmp"),
Type = "image",
Offset = file.View.ReadUInt32 (index_offset),
Size = file.View.ReadUInt32 (index_offset+4),
};
if (entry.Offset < index_size || !entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 8;
}
if (0 == dir.Count || (1 == dir.Count && count > 1))
return null;
return new ArcFile (file, this, dir);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
var input = arc.File.CreateStream (entry.Offset, entry.Size);
if (input.PeekByte() != 0x78)
return input;
return new ZLibStream (input, CompressionMode.Decompress);
}
}
}