public override ArcFile TryOpen(ArcView file)
{
if (!file.Name.HasExtension(".ifx") || file.MaxOffset <= 0x10000)
{
return(null);
}
var base_name = Path.GetFileNameWithoutExtension(file.Name);
var dir = new List <Entry>();
for (uint index_offset = 0x20; index_offset < 0x10000; index_offset += 0x10)
{
if (file.View.ReadUInt16(index_offset) == 0)
{
continue;
}
var name = string.Format("{0}#{1:D5}", base_name, dir.Count);
uint offset = file.View.ReadUInt32(index_offset + 4);
var entry = AutoEntry.Create(file, offset, name);
entry.Size = file.View.ReadUInt32(index_offset + 8);
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
index_offset += 0x10;
}
if (0 == dir.Count)
{
return(null);
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32(4);
if (!IsSaneCount(count))
{
return(null);
}
var base_name = Path.GetFileNameWithoutExtension(file.Name);
uint index_offset = 8;
long base_offset = index_offset + count * 4;
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
uint offset = file.View.ReadUInt32(index_offset);
index_offset += 4;
var name = string.Format("{0}#{1:D4}", base_name, i);
var entry = AutoEntry.Create(file, base_offset + offset, name);
if (entry.Offset >= file.MaxOffset)
{
return(null);
}
dir.Add(entry);
}
for (int i = 1; i < dir.Count; ++i)
{
dir[i - 1].Size = (uint)(dir[i].Offset - dir[i - 1].Offset);
}
var last_entry = dir[dir.Count - 1];
last_entry.Size = (uint)(file.MaxOffset - last_entry.Offset);
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.Name.HasExtension(".paq"))
{
return(null);
}
int count = file.View.ReadInt32(0);
if (!IsSaneCount(count))
{
return(null);
}
var base_name = Path.GetFileNameWithoutExtension(file.Name);
uint index_offset = 8;
uint data_offset = 4 + (uint)count * 8;
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
var name = string.Format("{0}#{1:D4}", base_name, i);
var entry = AutoEntry.Create(file, data_offset, name);
entry.Size = file.View.ReadUInt32(index_offset);
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
index_offset += 8;
data_offset += entry.Size;
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.View.AsciiEqual(4, "FILELINK"))
{
return(null);
}
int count = file.View.ReadInt32(0x10);
if (!IsSaneCount(count))
{
return(null);
}
uint index_offset = file.View.ReadUInt32(0x18);
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
var name = file.View.ReadString(index_offset, 0x28);
uint offset = file.View.ReadUInt32(index_offset + 0x2C);
var entry = AutoEntry.Create(file, offset, name);
entry.Size = file.View.ReadUInt32(index_offset + 0x30);
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
index_offset += 0x40;
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
if (!(file.View.AsciiEqual(0, "DataPack5") ||
file.View.AsciiEqual(0, "GsPack5") ||
file.View.AsciiEqual(0, "GsPack4")))
{
return(null);
}
int version_minor = file.View.ReadUInt16(0x30);
int version_major = file.View.ReadUInt16(0x32);
uint index_size = file.View.ReadUInt32(0x34);
int count = file.View.ReadInt32(0x3c);
if (!IsSaneCount(count) || index_size > 0xffffff)
{
return(null);
}
uint crypt_key = file.View.ReadUInt32(0x38);
long data_offset = file.View.ReadUInt32(0x40);
int index_offset = file.View.ReadInt32(0x44);
int entry_size = version_major < 5 ? 0x48 : 0x68;
int unpacked_size = count * entry_size;
byte[] packed_index = file.View.ReadBytes(index_offset, index_size);
if (index_size != packed_index.Length)
{
return(null);
}
if (0 != crypt_key)
{
for (int i = 0; i != packed_index.Length; ++i)
{
packed_index[i] ^= (byte)(i & crypt_key);
}
}
using (var stream = new MemoryStream(packed_index))
using (var reader = new LzssReader(stream, packed_index.Length, unpacked_size))
{
reader.Unpack();
var index = reader.Data;
index_offset = 0;
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
string name = Binary.GetCString(index, index_offset, 0x40);
if (0 != name.Length)
{
long offset = data_offset + LittleEndian.ToUInt32(index, index_offset + 0x40);
var entry = AutoEntry.Create(file, offset, name);
entry.Size = LittleEndian.ToUInt32(index, index_offset + 0x44);
dir.Add(entry);
}
index_offset += entry_size;
}
return(new ArcFile(file, this, dir));
}
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.Name.HasExtension(".vol"))
{
return(null);
}
uint first_offset = file.View.ReadUInt32(0);
if (first_offset < 0x10 || 0 != (first_offset & 0xF) || first_offset >= file.MaxOffset)
{
return(null);
}
int count = (int)(first_offset / 4);
if (!IsSaneCount(count))
{
return(null);
}
var offset_table = new List <uint> (count);
offset_table.Add(first_offset);
uint index_offset = 4;
for (int i = 1; i < count; ++i)
{
uint offset = file.View.ReadUInt32(index_offset);
if (offset < offset_table[i - 1] || offset > file.MaxOffset)
{
return(null);
}
offset_table.Add(offset);
if (offset == file.MaxOffset)
{
break;
}
index_offset += 4;
}
var base_name = Path.GetFileNameWithoutExtension(file.Name);
var dir = new List <Entry> (offset_table.Count - 1);
for (int i = 0; i < offset_table.Count - 1; ++i)
{
uint size = offset_table[i + 1] - offset_table[i];
if (0 == size)
{
continue;
}
var name = string.Format("{0}#{1:D4}", base_name, i);
var entry = AutoEntry.Create(file, offset_table[i], name);
entry.Size = size;
dir.Add(entry);
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
uint signature = file.View.ReadUInt32(0);
if (0x44474d != (signature & 0xffffff)) // 'MGD'
{
return(null);
}
int count = file.View.ReadInt16(0x20);
if (count <= 0)
{
return(null);
}
int flag = file.View.ReadUInt16(3);
var dir = new List <Entry> (count);
int index_offset = 0x22;
byte[] name_buf = new byte[16];
for (uint i = 0; i < count; ++i)
{
int name_size = file.View.ReadByte(index_offset + 1);
if (0 == name_size)
{
return(null);
}
if (name_size > name_buf.Length)
{
Array.Resize(ref name_buf, name_size);
}
file.View.Read(index_offset + 2, name_buf, 0, (uint)name_size);
if (100 == flag)
{
Decrypt(name_buf, 0, name_size);
}
string name = Encodings.cp932.GetString(name_buf, 0, name_size);
index_offset += 2 + name_size;
uint offset = file.View.ReadUInt32(index_offset + 4);
var entry = AutoEntry.Create(file, offset, name);
entry.Size = file.View.ReadUInt32(index_offset);
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
index_offset += 8;
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
string index_name = Path.ChangeExtension(file.Name, ".dll");
if (index_name == file.Name || !VFS.FileExists(index_name))
{
return(null);
}
var index_entry = VFS.FindFile(index_name);
if (index_entry.Size < 12)
{
return(null);
}
int count = file.View.ReadInt32(0);
if (!IsSaneCount(count) || (count & 0xFFFF) == 0x5A4D) // 'MZ'
{
return(null);
}
var base_name = Path.GetFileNameWithoutExtension(file.Name);
using (var idx = VFS.OpenView(index_entry))
{
var dir = new List <Entry> (count);
uint index_offset = 4;
int i = 0;
uint last_offset = 3;
while (index_offset + 8 <= idx.MaxOffset)
{
uint offset = idx.View.ReadUInt32(index_offset);
if (offset <= last_offset)
{
return(null);
}
var name = string.Format("{0}#{1:D5}", base_name, i++);
var entry = AutoEntry.Create(file, offset, name);
entry.Size = idx.View.ReadUInt32(index_offset + 4);
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
last_offset = offset;
index_offset += 8;
}
return(new ArcFile(file, this, dir));
}
}
public override ArcFile TryOpen(ArcView file)
{
var base_name = Path.GetFileNameWithoutExtension(file.Name);
var dir = new List <Entry>();
uint prev_offset = file.View.ReadUInt32(4);
for (uint index_offset = 8; index_offset < file.MaxOffset; index_offset += 4)
{
uint offset = file.View.ReadUInt32(index_offset);
if (offset <= prev_offset || offset > file.MaxOffset)
{
return(null);
}
uint size = offset - prev_offset;
var name = string.Format("{0}#{1:D4}", base_name, dir.Count);
Entry entry;
if (size > 4)
{
entry = AutoEntry.Create(file, prev_offset, name);
}
else
{
entry = new Entry {
Name = name, Offset = prev_offset
}
};
entry.Size = size;
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
if (file.MaxOffset == offset)
{
break;
}
prev_offset = offset;
}
if (0 == dir.Count)
{
return(null);
}
return(new ArcFile(file, this, dir));
}
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32(4);
if (!IsSaneCount(count))
{
return(null);
}
var base_name = Path.GetFileNameWithoutExtension(file.Name);
uint index_offset = 8;
string default_type = null;
if (base_name.Equals("cg", StringComparison.OrdinalIgnoreCase))
{
default_type = "image";
}
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
var name = string.Format("{0}#{1:D4}", base_name, i);
var offset = file.View.ReadUInt32(index_offset);
Entry entry;
if (default_type != null)
{
entry = new Entry {
Name = name, Type = default_type, Offset = offset
}
}
;
else
{
entry = AutoEntry.Create(file, offset, name);
}
entry.Size = file.View.ReadUInt32(index_offset + 4);
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
index_offset += 8;
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32(0);
if (!IsSaneCount(count - 1))
{
return(null);
}
uint base_offset = (uint)(4 + 4 * count);
if (base_offset >= file.MaxOffset)
{
return(null);
}
uint index_offset = 4;
uint next_offset = file.View.ReadUInt32(index_offset);
if (next_offset != 0)
{
return(null);
}
var base_name = Path.GetFileNameWithoutExtension(file.Name);
next_offset = base_offset;
--count;
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
index_offset += 4;
var name = string.Format("{0}#{1:D4}", base_name, i);
var entry = AutoEntry.Create(file, next_offset, name);
next_offset = base_offset + file.View.ReadUInt32(index_offset);
entry.Size = next_offset - (uint)entry.Offset;
if (0 == entry.Size || !entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
}
return(new ArcFile(file, this, dir));
}
protected List <Entry> ReadIndex(ArcView index, int index_offset, int count, long base_offset, ArcView file)
{
uint index_size = (uint)count * 0x18u;
if (index_size > index.View.Reserve(index_offset, index_size))
{
return(null);
}
string arc_name = Path.GetFileNameWithoutExtension(file.Name);
bool is_grp = arc_name.EndsWith("GRP", StringComparison.InvariantCultureIgnoreCase);
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
string name = index.View.ReadString(index_offset, 0x10);
if (0 == name.Length)
{
return(null);
}
var offset = base_offset + index.View.ReadUInt32(index_offset + 0x10);
Entry entry;
if (is_grp)
{
entry = new Entry {
Name = Path.ChangeExtension(name, "grp"),
Type = "image",
Offset = offset
};
}
else
{
entry = AutoEntry.Create(file, offset, name);
}
entry.Size = index.View.ReadUInt32(index_offset + 0x14);
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
index_offset += 0x18;
}
return(dir);
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.Name.EndsWith(".pb", StringComparison.InvariantCultureIgnoreCase))
{
return(null);
}
int count = file.View.ReadInt32(0);
if (count <= 0 || count > 0xfff)
{
return(null);
}
var dir = new List <Entry> (count);
int index_offset = 0x10;
bool is_voice = Path.GetFileName(file.Name).Equals("voice.pb", StringComparison.InvariantCultureIgnoreCase);
int data_offset = index_offset + 8 * count;
for (int i = 0; i < count; ++i)
{
uint offset = file.View.ReadUInt32(index_offset);
Entry entry;
if (!is_voice)
{
entry = AutoEntry.Create(file, offset, i.ToString("D4"));
}
else
{
entry = new Entry {
Name = string.Format("{0:D4}.pb", i), Type = "archive", Offset = offset
}
};
entry.Size = file.View.ReadUInt32(index_offset + 4);
if (offset < data_offset || !entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
index_offset += 8;
}
return(new ArcFile(file, this, dir));
}
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32(4);
if (count <= 0 || count > 0xfffff)
{
return(null);
}
var dir = new List <Entry> (count);
long index_offset = 8;
uint next_offset = file.View.ReadUInt32(index_offset + 0x10);
for (int i = 0; i < count; ++i)
{
string name = file.View.ReadString(index_offset, 0x10);
if (0 == name.Length)
{
return(null);
}
uint offset = next_offset;
index_offset += 0x14;
if (i + 1 != count)
{
next_offset = file.View.ReadUInt32(index_offset + 0x10);
}
else
{
next_offset = (uint)file.MaxOffset;
}
var entry = AutoEntry.Create(file, offset, name);
entry.Size = next_offset - offset;
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32(0);
if (count <= 0 || count > 0xfffff)
{
return(null);
}
uint name_size = 100;
uint index_size = (uint)((name_size + 8) * count);
uint first_offset = file.View.ReadUInt32(4 + name_size + 4);
if (first_offset != (4 + index_size) || index_size > file.View.Reserve(4, index_size))
{
return(null);
}
var dir = new List <Entry> (count);
long index_offset = 4;
for (int i = 0; i < count; ++i)
{
string name = file.View.ReadString(index_offset, name_size);
if (0 == name.Length)
{
return(null);
}
index_offset += name_size;
uint offset = file.View.ReadUInt32(index_offset + 4);
var entry = AutoEntry.Create(file, offset, name);
entry.Size = file.View.ReadUInt32(index_offset);
if (offset <= index_size || !entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
index_offset += 8;
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.View.AsciiEqual(4, "KO ARC20"))
{
return(null);
}
int count = file.View.ReadInt32(12);
if (!IsSaneCount(count))
{
return(null);
}
uint index_size = 0x80 * (uint)count;
if (index_size > file.View.Reserve(0x10, index_size))
{
return(null);
}
var dir = new List <Entry> (count);
long index_offset = 0x10;
long base_offset = index_offset + index_size;
for (uint i = 0; i < count; ++i)
{
string name = file.View.ReadString(index_offset, 0x60);
var offset = base_offset + file.View.ReadUInt32(index_offset + 0x60);
var entry = AutoEntry.Create(file, offset, name);
entry.Size = file.View.ReadUInt32(index_offset + 0x64);
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
index_offset += 0x80;
}
return(new ArcFile(file, this, dir));
}
