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)); }