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implemented DAF1 archives.

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This commit is contained in:
morkt 2016-07-22 02:37:11 +04:00
parent 01fdad4d9e
commit 25423aadcf
1 changed files with 59 additions and 19 deletions
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78
ArcFormats/DenSDK/ArcDAF.cs
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@ -33,19 +33,68 @@ using GameRes.Utility;
namespace GameRes.Formats.DenSdk namespace GameRes.Formats.DenSdk
{ {
[Export(typeof(ArchiveFormat))] [Export(typeof(ArchiveFormat))]
public class DatOpener : ArchiveFormat public class Daf1Opener : ArchiveFormat
{ {
public override string Tag { get { return "DAT/DenSDK"; } } public override string Tag { get { return "DAF1"; } }
public override string Description { get { return "DenSDK resource archive"; } }
public override uint Signature { get { return 0x31464144; } } // 'DAF1'
public override bool IsHierarchic { get { return true; } }
public override bool CanCreate { get { return false; } }
public Daf1Opener ()
{
Extensions = new string[] { "dat" };
}
public override ArcFile TryOpen (ArcView file)
{
uint index_offset = file.View.ReadUInt32 (4);
int count = file.View.ReadInt32 (8);
if (!IsSaneCount (count) || index_offset >= file.MaxOffset)
return null;
uint data_offset = file.View.ReadUInt32 (0x10);
if (data_offset <= index_offset || data_offset > file.MaxOffset)
return null;
file.View.Reserve (index_offset, data_offset-index_offset);
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
uint entry_size = file.View.ReadUInt32 (index_offset);
if (entry_size <= 0x18)
return null;
var name = file.View.ReadString (index_offset+0x18, entry_size-0x18);
var entry = FormatCatalog.Instance.Create<PackedEntry> (name);
entry.Offset = file.View.ReadUInt32(index_offset+4);
entry.Size = file.View.ReadUInt32(index_offset+8);
entry.UnpackedSize = file.View.ReadUInt32 (index_offset+0xC);
entry.IsPacked = file.View.ReadInt32(index_offset+0x14) != 0;
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += entry_size;
}
return new ArcFile (file, this, dir);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
var input = arc.File.CreateStream (entry.Offset, entry.Size);
var pent = entry as PackedEntry;
if (null == pent || !pent.IsPacked)
return input;
return new ZLibStream (input, CompressionMode.Decompress);
}
}
[Export(typeof(ArchiveFormat))]
public class Daf2Opener : Daf1Opener
{
public override string Tag { get { return "DAF2"; } }
public override string Description { get { return "DenSDK resource archive"; } } public override string Description { get { return "DenSDK resource archive"; } }
public override uint Signature { get { return 0x32464144; } } // 'DAF2' public override uint Signature { get { return 0x32464144; } } // 'DAF2'
public override bool IsHierarchic { get { return true; } } public override bool IsHierarchic { get { return true; } }
public override bool CanCreate { get { return false; } } public override bool CanCreate { get { return false; } }
public DatOpener ()
{
Extensions = new string[] { "dat" };
}
public override ArcFile TryOpen (ArcView file) public override ArcFile TryOpen (ArcView file)
{ {
uint key = (uint)(file.View.ReadByte (0x20) << 24 uint key = (uint)(file.View.ReadByte (0x20) << 24
@ -80,9 +129,9 @@ namespace GameRes.Formats.DenSdk
return null; return null;
var name = Binary.GetCString (index, index_offset+0x34, entry_size-0x34); var name = Binary.GetCString (index, index_offset+0x34, entry_size-0x34);
var entry = FormatCatalog.Instance.Create<PackedEntry> (name); var entry = FormatCatalog.Instance.Create<PackedEntry> (name);
entry.Offset = base_offset + (LittleEndian.ToUInt32 (index, index_offset+4) ^ (uint)key); entry.Offset = base_offset + (LittleEndian.ToUInt32 (index, index_offset+4) ^ key);
entry.Size = LittleEndian.ToUInt32 (index, index_offset+8) ^ (uint)key; entry.Size = LittleEndian.ToUInt32 (index, index_offset+8) ^ key;
entry.UnpackedSize = LittleEndian.ToUInt32 (index, index_offset+0xC) ^ (uint)key; entry.UnpackedSize = LittleEndian.ToUInt32 (index, index_offset+0xC) ^ key;
entry.IsPacked = LittleEndian.ToInt32 (index, index_offset+0x30) != 0; entry.IsPacked = LittleEndian.ToInt32 (index, index_offset+0x30) != 0;
if (!entry.CheckPlacement (file.MaxOffset)) if (!entry.CheckPlacement (file.MaxOffset))
return null; return null;
@ -91,14 +140,5 @@ namespace GameRes.Formats.DenSdk
} }
return new ArcFile (file, this, dir); return new ArcFile (file, this, dir);
} }
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
var input = arc.File.CreateStream (entry.Offset, entry.Size);
var pent = entry as PackedEntry;
if (null == pent || !pent.IsPacked)
return input;
return new ZLibStream (input, CompressionMode.Decompress);
}
} }
} }