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implemented 'ARCFORM4 WBUG' archives.

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This commit is contained in:
morkt
2016-07-26 07:07:01 +04:00
parent 105a2ab968
commit 5245687533
1 changed files with 81 additions and 2 deletions
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83
ArcFormats/WildBug/ArcWBP.cs
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@@ -23,6 +23,7 @@
// IN THE SOFTWARE.
//
using System;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.IO;
@@ -35,12 +36,17 @@ namespace GameRes.Formats.WildBug
public override string Tag { get { return "WBP"; } }
public override string Description { get { return "Wild Bug's engine resource archive"; } }
public override uint Signature { get { return 0x46435241; } } // 'ARCF'
public override bool IsHierarchic { get { return false; } }
public override bool IsHierarchic { get { return true; } }
public override bool CanCreate { get { return false; } }
public override ArcFile TryOpen (ArcView file)
{
if (!file.View.AsciiEqual (0, "ARCFORM3 WBUG "))
int version;
if (file.View.AsciiEqual (0, "ARCFORM3 WBUG "))
version = 3;
else if (file.View.AsciiEqual (0, "ARCFORM4 WBUG "))
version = 4;
else
return null;
int count = file.View.ReadInt32 (0x10);
if (!IsSaneCount (count))
@@ -53,6 +59,14 @@ namespace GameRes.Formats.WildBug
if (index_size > file.View.Reserve (index_offset, index_size))
return null;
if (3 == version)
return OpenV3 (file, count, index_offset);
else
return OpenV4 (file, count, index_offset, index_size);
}
ArcFile OpenV3 (ArcView file, int count, uint index_offset)
{
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
@@ -70,5 +84,70 @@ namespace GameRes.Formats.WildBug
}
return new ArcFile (file, this, dir);
}
ArcFile OpenV4 (ArcView file, int count, uint index_offset, uint index_size)
{
var buffer = new byte[0x400];
var dir_names = new uint[0x100];
file.View.Read (0x24, buffer, 0, 0x400);
Buffer.BlockCopy (buffer, 0, dir_names, 0, 0x400);
var res_names = new uint[0x100];
file.View.Read (0x424, buffer, 0, 0x400);
Buffer.BlockCopy (buffer, 0, res_names, 0, 0x400);
var dir_table = new Dictionary<int, string>();
for (int i = 0; i < 0x100; ++i)
{
if (0 == dir_names[i])
continue;
uint dir_offset = dir_names[i];
for (;;)
{
byte hash = file.View.ReadByte (dir_offset);
if (hash != i)
break;
byte name_length = file.View.ReadByte (dir_offset+1);
int dir_id = file.View.ReadUInt16 (dir_offset+2);
file.View.Read (dir_offset + 4, buffer, 0, name_length);
byte checksum = 0;
for (int j = 0; j < name_length; ++j)
checksum += buffer[j];
if (hash != checksum)
return null;
dir_table[dir_id] = Encodings.cp932.GetString (buffer, 0, name_length).TrimStart ('\\');
dir_offset += 5u + name_length;
}
}
uint index_end = index_offset + index_size;
var dir = new List<Entry> (count);
for (int i = 0; i < 0x100; ++i)
{
if (0 == res_names[i])
continue;
uint res_offset = res_names[i];
while (res_offset < index_end)
{
byte hash = file.View.ReadByte (res_offset);
if (hash != i)
break;
byte name_length = file.View.ReadByte (res_offset+1);
int dir_id = file.View.ReadUInt16 (res_offset+2);
file.View.Read (res_offset+0x14, buffer, 0, name_length);
byte checksum = 0;
for (int j = 0; j < name_length; ++j)
checksum += buffer[j];
if (hash != checksum)
return null;
var dir_name = dir_table[dir_id];
var name = dir_table[dir_id] + Encodings.cp932.GetString (buffer, 0, name_length);
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = file.View.ReadUInt32 (res_offset+4);
entry.Size = file.View.ReadUInt32 (res_offset+8);
res_offset += (0x18u + name_length) & ~3u;
dir.Add (entry);
}
}
return new ArcFile (file, this, dir);
}
}
}