public override ArcFile TryOpen(ArcView file)
{
if ('k' != file.View.ReadInt16(4))
{
return(null);
}
int version = file.View.ReadInt16(6);
if (1 != version)
{
return(null);
}
uint data_size = file.View.ReadUInt32(8);
int count = file.View.ReadInt32(0x10);
if (count <= 0 || count > 0xfffff)
{
return(null);
}
uint index_size = (uint)(0x38 * count);
long base_offset = 0x18;
long index_offset = base_offset + data_size;
if (index_offset >= file.MaxOffset || index_size > file.View.Reserve(index_offset, index_size))
{
return(null);
}
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
var name = file.View.ReadString(index_offset, 0x20);
index_offset += 0x20;
var entry = new SPackEntry
{
Name = name,
Offset = base_offset + file.View.ReadUInt32(index_offset),
UnpackedSize = file.View.ReadUInt32(index_offset + 4),
Size = file.View.ReadUInt32(index_offset + 8),
Method = file.View.ReadByte(index_offset + 12),
Crc = file.View.ReadUInt16(index_offset + 14),
};
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
if (name.EndsWith(".dat", StringComparison.InvariantCultureIgnoreCase))
{
entry.Type = "audio";
}
else
{
entry.Type = FormatCatalog.Instance.GetTypeFromName(name);
}
entry.IsPacked = entry.Method != 0;
dir.Add(entry);
index_offset += 0x18;
}
return(new ArcFile(file, this, dir));
}
public PackedReader(SPackEntry entry, Stream input)
{
m_input = new BinaryReader (input);
m_packed_size = entry.Size;
m_output = new byte[entry.UnpackedSize];
}
public PackedReader(SPackEntry entry, Stream input)
{
m_input = new BinaryReader(input);
m_packed_size = entry.Size;
m_output = new byte[entry.UnpackedSize];
}
public override ArcFile TryOpen(ArcView file)
{
if ('k' != file.View.ReadInt16 (4))
return null;
int version = file.View.ReadInt16 (6);
if (1 != version)
return null;
uint data_size = file.View.ReadUInt32 (8);
int count = file.View.ReadInt32 (0x10);
if (count <= 0 || count > 0xfffff)
return null;
uint index_size = (uint)(0x38 * count);
long base_offset = 0x18;
long index_offset = base_offset + data_size;
if (index_offset >= file.MaxOffset || index_size > file.View.Reserve (index_offset, index_size))
return null;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var name = file.View.ReadString (index_offset, 0x20);
index_offset += 0x20;
var entry = new SPackEntry
{
Name = name,
Offset = base_offset + file.View.ReadUInt32 (index_offset),
UnpackedSize = file.View.ReadUInt32 (index_offset+4),
Size = file.View.ReadUInt32 (index_offset+8),
Method = file.View.ReadByte (index_offset+12),
Crc = file.View.ReadUInt16 (index_offset+14),
};
if (!entry.CheckPlacement (file.MaxOffset))
return null;
if (name.EndsWith (".dat", StringComparison.InvariantCultureIgnoreCase))
entry.Type = "audio";
else
entry.Type = FormatCatalog.Instance.GetTypeFromName (name);
entry.IsPacked = entry.Method != 0;
dir.Add (entry);
index_offset += 0x18;
}
return new ArcFile (file, this, dir);
}
