public AssetsFile(string fileName, EndianStream fileStream) { //if (memFile != null) { Stream = new EndianStream(memFile, endianType); } //else { Stream = new EndianStream(File.OpenRead(fileName), endianType); } a_Stream = fileStream; filePath = fileName; int tableSize = a_Stream.ReadInt32(); int dataEnd = a_Stream.ReadInt32(); fileGen = a_Stream.ReadInt32(); int dataOffset = a_Stream.ReadInt32(); sharedAssetsList[0].fileName = Path.GetFileName(fileName); //reference itself because sharedFileIDs start from 1 switch (fileGen) { case 6: //2.5.0 - 2.6.1 { a_Stream.Position = (dataEnd - tableSize); a_Stream.Position += 1; break; } case 7: //3.0.0 beta { a_Stream.Position = (dataEnd - tableSize); a_Stream.Position += 1; m_Version = a_Stream.ReadStringToNull(); break; } case 8: //3.0.0 - 3.4.2 { a_Stream.Position = (dataEnd - tableSize); a_Stream.Position += 1; m_Version = a_Stream.ReadStringToNull(); platform = a_Stream.ReadInt32(); break; } case 9: //3.5.0 - 4.6.x { a_Stream.Position += 4; //azero m_Version = a_Stream.ReadStringToNull(); platform = a_Stream.ReadInt32(); break; } case 14: //5.0.0 beta and final case 15: //5.0.1 and up { a_Stream.Position += 4; //azero m_Version = a_Stream.ReadStringToNull(); platform = a_Stream.ReadInt32(); baseDefinitions = a_Stream.ReadBoolean(); break; } default: { //MessageBox.Show("Unsupported version!", "AssetStudio Error", MessageBoxButtons.OK, MessageBoxIcon.Error); return; } } if (platform > 255 || platform < 0) { byte[] b32 = BitConverter.GetBytes(platform); Array.Reverse(b32); platform = BitConverter.ToInt32(b32, 0); //endianType = EndianType.LittleEndian; a_Stream.endian = EndianType.LittleEndian; } switch (platform) { case -2: platformStr = "Unt Package"; break; case 4: platformStr = "OSX"; break; case 5: platformStr = "PC"; break; case 6: platformStr = "Web"; break; case 7: platformStr = "Web streamed"; break; case 9: platformStr = "iOS"; break; case 10: platformStr = "PS3"; break; case 11: platformStr = "Xbox 360"; break; case 13: platformStr = "Android"; break; case 16: platformStr = "Google NaCl"; break; case 21: platformStr = "WP8"; break; case 25: platformStr = "Linux"; break; } int baseCount = a_Stream.ReadInt32(); for (int i = 0; i < baseCount; i++) { if (fileGen < 14) { int classID = a_Stream.ReadInt32(); string baseType = a_Stream.ReadStringToNull(); string baseName = a_Stream.ReadStringToNull(); a_Stream.Position += 20; int memberCount = a_Stream.ReadInt32(); StringBuilder cb = new StringBuilder(); for (int m = 0; m < memberCount; m++) { readBase(cb, 1); } var aClass = new ClassStrStruct() { ID = classID, Text = (baseType + " " + baseName), members = cb.ToString() }; aClass.SubItems.Add(classID.ToString()); ClassStructures.Add(classID, aClass); } else { readBase5(); } } if (fileGen >= 7 && fileGen < 14) { a_Stream.Position += 4; } //azero int assetCount = a_Stream.ReadInt32(); #region asset preload table string assetIDfmt = "D" + assetCount.ToString().Length.ToString(); //format for unique ID for (int i = 0; i < assetCount; i++) { //each table entry is aligned individually, not the whole table if (fileGen >= 14) { a_Stream.AlignStream(4); } AssetPreloadData asset = new AssetPreloadData(); if (fileGen < 14) { asset.m_PathID = a_Stream.ReadInt32(); } else { asset.m_PathID = a_Stream.ReadInt64(); } asset.Offset = a_Stream.ReadInt32(); asset.Offset += dataOffset; asset.Size = a_Stream.ReadInt32(); asset.Type1 = a_Stream.ReadInt32(); asset.Type2 = a_Stream.ReadUInt16(); a_Stream.Position += 2; if (fileGen >= 15) { byte unknownByte = a_Stream.ReadByte(); //this is a single byte, not an int32 //the next entry is aligned after this //but not the last! if (unknownByte != 0) { bool investigate = true; } } if (UnityClassID.Names[asset.Type2] != null) { asset.TypeString = UnityClassID.Names[asset.Type2]; } asset.uniqueID = i.ToString(assetIDfmt); asset.exportSize = asset.Size; asset.sourceFile = this; preloadTable.Add(asset.m_PathID, asset); #region read BuildSettings to get version for 2.x files if (asset.Type2 == 141 && fileGen == 6) { long nextAsset = a_Stream.Position; BuildSettings BSettings = new BuildSettings(asset); m_Version = BSettings.m_Version; a_Stream.Position = nextAsset; } #endregion } #endregion buildType = m_Version.Split(new string[] { ".", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" }, StringSplitOptions.RemoveEmptyEntries); string[] strver = (m_Version.Split(new string[] { ".", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "\n" }, StringSplitOptions.RemoveEmptyEntries)); version = Array.ConvertAll(strver, int.Parse); if (fileGen >= 14) { //this looks like a list of assets that need to be preloaded in memory before anytihng else int someCount = a_Stream.ReadInt32(); for (int i = 0; i < someCount; i++) { int num1 = a_Stream.ReadInt32(); a_Stream.AlignStream(4); long m_PathID = a_Stream.ReadInt64(); } } int sharedFileCount = a_Stream.ReadInt32(); for (int i = 0; i < sharedFileCount; i++) { UnityShared shared = new UnityShared(); shared.aName = a_Stream.ReadStringToNull(); a_Stream.Position += 20; string sharedFileName = a_Stream.ReadStringToNull(); //relative path shared.fileName = sharedFileName.Replace("/", "\\"); sharedAssetsList.Add(shared); } }
private void readBundle(EndianStream b_Stream) { var header = b_Stream.ReadStringToNull(); if (header == "UnityWeb" || header == "UnityRaw" || header == "\xFA\xFA\xFA\xFA\xFA\xFA\xFA\xFA") { ver1 = b_Stream.ReadInt32(); ver2 = b_Stream.ReadStringToNull(); ver3 = b_Stream.ReadStringToNull(); if (ver1 < 6) { int bundleSize = b_Stream.ReadInt32(); } else { long bundleSize = b_Stream.ReadInt64(); return; } short dummy2 = b_Stream.ReadInt16(); int offset = b_Stream.ReadInt16(); int dummy3 = b_Stream.ReadInt32(); int lzmaChunks = b_Stream.ReadInt32(); int lzmaSize = 0; long streamSize = 0; for (int i = 0; i < lzmaChunks; i++) { lzmaSize = b_Stream.ReadInt32(); streamSize = b_Stream.ReadInt32(); } b_Stream.Position = offset; switch (header) { case "\xFA\xFA\xFA\xFA\xFA\xFA\xFA\xFA": //.bytes case "UnityWeb": { byte[] lzmaBuffer = new byte[lzmaSize]; b_Stream.Read(lzmaBuffer, 0, lzmaSize); using (var lzmaStream = new EndianStream(SevenZip.Compression.LZMA.SevenZipHelper.StreamDecompress(new MemoryStream(lzmaBuffer)), EndianType.BigEndian)) { getFiles(lzmaStream, 0); } break; } case "UnityRaw": { getFiles(b_Stream, offset); break; } } } else if (header == "UnityFS") { ver1 = b_Stream.ReadInt32(); ver2 = b_Stream.ReadStringToNull(); ver3 = b_Stream.ReadStringToNull(); long bundleSize = b_Stream.ReadInt64(); } }
private void readBase(StringBuilder cb, int level) { string varType = a_Stream.ReadStringToNull(); string varName = a_Stream.ReadStringToNull(); //a_Stream.Position += 20; int size = a_Stream.ReadInt32(); int index = a_Stream.ReadInt32(); int isArray = a_Stream.ReadInt32(); int num0 = a_Stream.ReadInt32(); int num1 = a_Stream.ReadInt16(); int num2 = a_Stream.ReadInt16(); int childrenCount = a_Stream.ReadInt32(); //Debug.WriteLine(baseFormat + " " + baseName + " " + childrenCount); cb.AppendFormat("{0}{1} {2} {3}\r\n", (new string('\t', level)), varType, varName, size); for (int i = 0; i < childrenCount; i++) { readBase(cb, level + 1); } }