public override ArcFile TryOpen(ArcView file)
{
if (file.MaxOffset <= 12 || file.MaxOffset > uint.MaxValue)
{
return(null);
}
uint packed_size = file.View.ReadUInt32(file.MaxOffset - 12) ^ 0xF0F0F0F0;
uint unpacked_size = file.View.ReadUInt32(file.MaxOffset - 8) ^ 0xF0F0F0F0;
const uint entry_record_size = 0x50;
int count = (int)(unpacked_size / entry_record_size);
if (unpacked_size % entry_record_size != 0 || packed_size >= file.MaxOffset || !IsSaneCount(count))
{
return(null);
}
var unpacked = new byte[unpacked_size];
using (var packed = file.CreateStream(file.MaxOffset - 12 - packed_size, packed_size))
LzUnpack(packed, unpacked);
using (var index = new BinMemoryStream(unpacked))
{
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
int flags = index.ReadInt32();
var name = index.ReadCString(0x40);
var entry = FormatCatalog.Instance.Create <PmDatEntry> (name);
entry.Offset = index.ReadUInt32();
entry.Size = index.ReadUInt32();
entry.UnpackedSize = index.ReadUInt32();
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
if (entry.Name.HasAnyOfExtensions("CRGB", "CHAR", "rol", "edg"))
{
entry.Type = "image";
}
entry.IsPacked = (flags & 0xFF0000) != 0;
entry.StoredSize = (flags & 0x2000000) != 0;
dir.Add(entry);
}
return(new ArcFile(file, this, dir));
}
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.View.AsciiEqual(4, "ARC\0"))
{
return(null);
}
uint data_offset = file.View.ReadUInt32(8);
uint unpacked_size = file.View.ReadUInt32(0xC);
uint packed_size = file.View.ReadUInt32(0x10);
byte[] unpacked = new byte[unpacked_size];
using (var packed = file.CreateStream(0x14, packed_size))
using (var input = new XoredStream(packed, 0xFF))
{
LzssUnpack(input, unpacked);
}
using (var index = new BinMemoryStream(unpacked))
{
var key = index.ReadBytes(256);
int count = index.ReadInt32();
if (!IsSaneCount(count))
{
return(null);
}
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
int name_length = index.ReadInt32();
var name = index.ReadCString(name_length);
var entry = FormatCatalog.Instance.Create <GmlEntry> (name);
entry.Offset = index.ReadUInt32() + data_offset;
entry.Size = index.ReadUInt32();
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
entry.Header = index.ReadBytes(4);
}
return(new GmlArchive(file, this, dir, key));
}
}
void LoadBlob(AssetReader reader)
{
int count = reader.ReadInt32();
int buffer_bytes = reader.ReadInt32();
var node_data = reader.ReadBytes(24 * count);
m_data = reader.ReadBytes(buffer_bytes);
var parents = new Stack <TypeTree>();
parents.Push(this);
using (var buf = new BinMemoryStream(node_data))
{
for (int i = 0; i < count; ++i)
{
int version = buf.ReadInt16();
int depth = buf.ReadUInt8();
TypeTree current;
if (0 == depth)
{
current = this;
}
else
{
while (parents.Count > depth)
{
parents.Pop();
}
current = new TypeTree(m_format);
parents.Peek().Children.Add(current);
parents.Push(current);
}
current.Version = version;
current.IsArray = buf.ReadUInt8() != 0;
current.Type = GetString(buf.ReadInt32());
current.Name = GetString(buf.ReadInt32());
current.Size = buf.ReadInt32();
current.Index = buf.ReadUInt32();
current.Flags = buf.ReadInt32();
}
}
}
void UnpackV2()
{
Format = PixelFormats.Bgra32;
int tile_count = m_input.ReadInt32();
var tiles = new List <Tile> (tile_count);
for (int i = 0; i < tile_count; ++i)
{
var tile = new Tile();
tile.X = m_input.ReadInt32();
tile.Y = m_input.ReadInt32();
tiles.Add(tile);
m_input.Seek(0x10, SeekOrigin.Current);
}
using (var input = new BinMemoryStream(LzDecompress(m_input, 2, 1)))
{
if (input.ReadInt32() != tile_count)
{
throw new InvalidFormatException();
}
int dst_stride = m_width * 4;
m_output = new byte[m_height * dst_stride];
for (int i = 0; i < tile_count; ++i)
{
tiles[i].Offset = input.ReadUInt32();
tiles[i].Length = input.ReadInt32();
}
var tile = tiles.First(t => t.Length != 0);
input.Position = tile.Offset;
int tile_type = input.ReadUInt16();
int count = input.ReadUInt16();
if (tile_type != 1)
{
throw new InvalidFormatException();
}
input.Seek(0x70, SeekOrigin.Current);
for (int i = 0; i < count; ++i)
{
int tile_x = input.ReadUInt16();
int tile_y = input.ReadUInt16();
input.ReadInt16();
int tile_width = input.ReadUInt16();
int tile_height = input.ReadUInt16();
input.Seek(0x52, SeekOrigin.Current);
tile_x += tile.X;
tile_y += tile.Y;
if (tile_x + tile_width > m_width || tile_y + tile_height > m_height)
{
throw new InvalidFormatException();
}
int dst = tile_y * dst_stride + tile_x * 4;
int tile_stride = tile_width * 4;
for (int row = 0; row < tile_height; ++row)
{
input.Read(m_output, dst, tile_stride);
dst += dst_stride;
}
}
}
}
public override ArcFile TryOpen(ArcView file)
{
if (!VFS.IsPathEqualsToFileName(file.Name, "AVGDatas.pck"))
{
return(null);
}
int seed = Binary.BigEndian(file.View.ReadInt32(file.MaxOffset - 104));
var header = file.View.ReadBytes(file.MaxOffset - 100, 100);
var rnd = new RandomGenerator();
rnd.Init(seed);
rnd.Decrypt(header, 0, header.Length);
uint checksum = (uint)(header[1] | header[2] << 8 | header[0] << 16 | header[3] << 24) ^ 0xDEFD32D3;
uint length = BigEndian.ToUInt32(header, 24);
if (checksum != length)
{
return(null);
}
uint idx_pos = BigEndian.ToUInt32(header, 28);
uint idx_size = Binary.BigEndian(file.View.ReadUInt32(idx_pos));
uint index_size;
var index = ReadChunk(file, 8, idx_pos + 4, out index_size);
if (index_size >= 0x80000000)
{
index_size &= 0x7FFFFFFF;
var unpacked = new byte[idx_size];
LzssUnpack(index, index.Length, unpacked);
index = unpacked;
}
using (var input = new BinMemoryStream(index))
{
var dir = new List <Entry>();
int dir_count = 0;
while (input.PeekByte() != -1)
{
input.ReadInt32();
input.ReadInt32();
input.ReadInt32();
int count = Binary.BigEndian(input.ReadInt32());
var dir_name = dir_count.ToString("X4");
for (int i = 0; i < count; ++i)
{
var name = input.ReadCString(0x28);
name = Path.Combine(dir_name, name);
var entry = Create <PckEntry> (name);
entry.Offset = Binary.BigEndian(input.ReadUInt32());
entry.Size = Binary.BigEndian(input.ReadUInt32());
entry.IsEncrypted = input.ReadInt32() != 0;
entry.UnpackedSize = input.ReadUInt32();
entry.IsPacked = entry.Size != entry.UnpackedSize;
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
}
++dir_count;
}
return(new ArcFile(file, this, dir));
}
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.Name.HasExtension(".g00"))
{
return(null);
}
if (file.View.ReadByte(0) != 2)
{
return(null);
}
uint width = file.View.ReadUInt16(1);
uint height = file.View.ReadUInt16(3);
if (0 == width || width > 0x8000 || 0 == height || height > 0x8000)
{
return(null);
}
int count = file.View.ReadInt16(5);
if (count <= 1 || count > 0x1000)
{
return(null);
}
var base_name = Path.GetFileNameWithoutExtension(file.Name);
uint index_offset = 9;
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new G00Entry {
Name = string.Format("{0}#{1:D3}", base_name, i),
X = file.View.ReadInt32(index_offset),
Y = file.View.ReadInt32(index_offset + 4),
};
dir.Add(entry);
index_offset += 0x18;
}
byte[] bitmap;
using (var input = file.CreateStream(index_offset))
bitmap = G00Reader.LzDecompress(input, 2, 1);
using (var input = new BinMemoryStream(bitmap))
{
if (input.ReadInt32() != count)
{
return(null);
}
for (int i = 0; i < count; ++i)
{
dir[i].Offset = input.ReadUInt32();
dir[i].Size = input.ReadUInt32();
}
}
dir = dir.Where(e => e.Size != 0).ToList();
if (0 == dir.Count)
{
return(null);
}
var info = new ImageMetaData {
Width = width, Height = height, BPP = 32
};
return(new G00Archive(file, this, dir, info, bitmap));
}