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); } }
private void readBundle(EndianStream b_Stream) { var signature = b_Stream.ReadStringToNull(); if (signature == "UnityWeb" || signature == "UnityRaw" || signature == "\xFA\xFA\xFA\xFA\xFA\xFA\xFA\xFA") { format = b_Stream.ReadInt32(); versionPlayer = b_Stream.ReadStringToNull(); versionEngine = b_Stream.ReadStringToNull(); if (format < 6) { int bundleSize = b_Stream.ReadInt32(); } else if (format == 6) { ReadFormat6(b_Stream, true); 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 (signature) { 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(SevenZipHelper.StreamDecompress(new MemoryStream(lzmaBuffer)), EndianType.BigEndian)) { getFiles(lzmaStream, 0); } break; } case "UnityRaw": { getFiles(b_Stream, offset); break; } } } else if (signature == "UnityFS") { format = b_Stream.ReadInt32(); versionPlayer = b_Stream.ReadStringToNull(); versionEngine = b_Stream.ReadStringToNull(); if (format == 6) { ReadFormat6(b_Stream); } } }
private void ReadFormat6(EndianStream b_Stream, bool padding = false) { var bundleSize = b_Stream.ReadInt64(); int compressedSize = b_Stream.ReadInt32(); int uncompressedSize = b_Stream.ReadInt32(); int flag = b_Stream.ReadInt32(); if (padding) { b_Stream.ReadByte(); } byte[] blocksInfoBytes; if ((flag & 0x80) != 0)//at end of file { var position = b_Stream.Position; b_Stream.Position = b_Stream.BaseStream.Length - compressedSize; blocksInfoBytes = b_Stream.ReadBytes(compressedSize); b_Stream.Position = position; } else { blocksInfoBytes = b_Stream.ReadBytes(compressedSize); } EndianStream blocksInfo; switch (flag & 0x3F) { default: //None { blocksInfo = new EndianStream(new MemoryStream(blocksInfoBytes), EndianType.BigEndian); break; } case 1: //LZMA { blocksInfo = new EndianStream(SevenZipHelper.StreamDecompress(new MemoryStream(blocksInfoBytes)), EndianType.BigEndian); break; } case 2: //LZ4 case 3: //LZ4HC { byte[] uncompressedBytes = new byte[uncompressedSize]; using (var mstream = new MemoryStream(blocksInfoBytes)) { var decoder = new Lz4DecoderStream(mstream); decoder.Read(uncompressedBytes, 0, uncompressedSize); decoder.Dispose(); } blocksInfo = new EndianStream(new MemoryStream(uncompressedBytes), EndianType.BigEndian); break; } //case 4:LZHAM? } using (blocksInfo) { blocksInfo.Position = 0x10; int blockcount = blocksInfo.ReadInt32(); EndianStream assetsData; var assetsDataStream = new MemoryStream(); for (int i = 0; i < blockcount; i++) { uncompressedSize = blocksInfo.ReadInt32(); compressedSize = blocksInfo.ReadInt32(); flag = blocksInfo.ReadInt16(); var compressedBytes = b_Stream.ReadBytes(compressedSize); switch (flag & 0x3F) { default: //None { assetsDataStream.Write(compressedBytes, 0, compressedSize); break; } case 1: //LZMA { var uncompressedBytes = new byte[uncompressedSize]; using (var mstream = new MemoryStream(compressedBytes)) { var decoder = SevenZipHelper.StreamDecompress(mstream, uncompressedSize); decoder.Read(uncompressedBytes, 0, uncompressedSize); decoder.Dispose(); } assetsDataStream.Write(uncompressedBytes, 0, uncompressedSize); break; } case 2: //LZ4 case 3: //LZ4HC { var uncompressedBytes = new byte[uncompressedSize]; using (var mstream = new MemoryStream(compressedBytes)) { var decoder = new Lz4DecoderStream(mstream); decoder.Read(uncompressedBytes, 0, uncompressedSize); decoder.Dispose(); } assetsDataStream.Write(uncompressedBytes, 0, uncompressedSize); break; } //case 4:LZHAM? } } assetsData = new EndianStream(assetsDataStream, EndianType.BigEndian); using (assetsData) { var entryinfo_count = blocksInfo.ReadInt32(); for (int i = 0; i < entryinfo_count; i++) { var memFile = new MemoryAssetsFile(); var entryinfo_offset = blocksInfo.ReadInt64(); var entryinfo_size = blocksInfo.ReadInt64(); var unknown = blocksInfo.ReadInt32(); memFile.fileName = blocksInfo.ReadStringToNull(); assetsData.Position = entryinfo_offset; var buffer = new byte[entryinfo_size]; assetsData.Read(buffer, 0, (int)entryinfo_size); memFile.memStream = new MemoryStream(buffer); MemoryAssetsFileList.Add(memFile); } } } }
private void readBase5() { int classID = a_Stream.ReadInt32(); if (fileGen > 15)//5.5.0 and up { a_Stream.ReadByte(); int type1; if ((type1 = a_Stream.ReadInt16()) >= 0) { type1 = -1 - type1; } else { type1 = classID; } classIDs.Add(new[] { type1, classID }); classID = type1; /*TODO 替换? * if(classID == 114) * { * a_Stream.Position += 16; * }*/ var temp = a_Stream.ReadInt32(); if (temp == 0) { a_Stream.Position += 16; } a_Stream.Position -= 4; if (type1 < 0) { a_Stream.Position += 16; } } else if (classID < 0) { a_Stream.Position += 16; } a_Stream.Position += 16; if (baseDefinitions) { int varCount = a_Stream.ReadInt32(); int stringSize = a_Stream.ReadInt32(); a_Stream.Position += varCount * 24; string varStrings = Encoding.UTF8.GetString(a_Stream.ReadBytes(stringSize)); string className = ""; var classVar = new List <ClassMember>(); //build Class Structures a_Stream.Position -= varCount * 24 + stringSize; for (int i = 0; i < varCount; i++) { ushort num0 = a_Stream.ReadUInt16(); byte level = a_Stream.ReadByte(); bool isArray = a_Stream.ReadBoolean(); ushort varTypeIndex = a_Stream.ReadUInt16(); ushort test = a_Stream.ReadUInt16(); string varTypeStr; if (test == 0) //varType is an offset in the string block { varTypeStr = varStrings.Substring(varTypeIndex, varStrings.IndexOf('\0', varTypeIndex) - varTypeIndex); } //substringToNull else //varType is an index in an internal strig array { varTypeStr = baseStrings.ContainsKey(varTypeIndex) ? baseStrings[varTypeIndex] : varTypeIndex.ToString(); } ushort varNameIndex = a_Stream.ReadUInt16(); test = a_Stream.ReadUInt16(); string varNameStr; if (test == 0) { varNameStr = varStrings.Substring(varNameIndex, varStrings.IndexOf('\0', varNameIndex) - varNameIndex); } else { varNameStr = baseStrings.ContainsKey(varNameIndex) ? baseStrings[varNameIndex] : varNameIndex.ToString(); } int size = a_Stream.ReadInt32(); int index = a_Stream.ReadInt32(); int flag = a_Stream.ReadInt32(); if (index == 0) { className = varTypeStr + " " + varNameStr; } else { classVar.Add(new ClassMember() { Level = level - 1, Type = varTypeStr, Name = varNameStr, Size = size, Flag = flag }); } //for (int t = 0; t < level; t++) { Debug.Write("\t"); } //Debug.WriteLine(varTypeStr + " " + varNameStr + " " + size); } a_Stream.Position += stringSize; var aClass = new ClassStruct() { ID = classID, Text = className, members = classVar }; aClass.SubItems.Add(classID.ToString()); ClassStructures.Add(classID, aClass); } }
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 static void Read(StringBuilder sb, List <ClassMember> members, EndianStream a_Stream) { for (int i = 0; i < members.Count; i++) { var member = members[i]; var level = member.Level; var varTypeStr = member.Type; var varNameStr = member.Name; object value = null; var align = (member.Flag & 0x4000) != 0; var append = true; if (varTypeStr == "SInt8")//sbyte { value = a_Stream.ReadSByte(); } else if (varTypeStr == "UInt8")//byte { value = a_Stream.ReadByte(); } else if (varTypeStr == "short" || varTypeStr == "SInt16")//Int16 { value = a_Stream.ReadInt16(); } else if (varTypeStr == "UInt16" || varTypeStr == "unsigned short")//UInt16 { value = a_Stream.ReadUInt16(); } else if (varTypeStr == "int" || varTypeStr == "SInt32")//Int32 { value = a_Stream.ReadInt32(); } else if (varTypeStr == "UInt32" || varTypeStr == "unsigned int")//UInt32 { value = a_Stream.ReadUInt32(); } else if (varTypeStr == "long long" || varTypeStr == "SInt64")//Int64 { value = a_Stream.ReadInt64(); } else if (varTypeStr == "UInt64" || varTypeStr == "unsigned long long")//UInt64 { value = a_Stream.ReadUInt64(); } else if (varTypeStr == "float")//float { value = a_Stream.ReadSingle(); } else if (varTypeStr == "double")//double { value = a_Stream.ReadDouble(); } else if (varTypeStr == "bool")//bool { value = a_Stream.ReadBoolean(); } else if (varTypeStr == "string")//string { append = false; var str = a_Stream.ReadAlignedString(a_Stream.ReadInt32()); sb.AppendFormat("{0}{1} {2} = \"{3}\"\r\n", (new string('\t', level)), varTypeStr, varNameStr, str); i += 3; //skip } else if (varTypeStr == "Array") //Array { append = false; if ((members[i - 1].Flag & 0x4000) != 0) { align = true; } sb.AppendFormat("{0}{1} {2}\r\n", (new string('\t', level)), varTypeStr, varNameStr); var size = a_Stream.ReadInt32(); sb.AppendFormat("{0}{1} {2} = {3}\r\n", (new string('\t', level)), "int", "size", size); var array = ReadArray(members, level, i); for (int j = 0; j < size; j++) { sb.AppendFormat("{0}[{1}]\r\n", (new string('\t', level + 1)), j); Read(sb, array, a_Stream); } i += array.Count + 1;//skip } else { append = false; align = false; sb.AppendFormat("{0}{1} {2}\r\n", (new string('\t', level)), varTypeStr, varNameStr); } if (append) { sb.AppendFormat("{0}{1} {2} = {3}\r\n", (new string('\t', level)), varTypeStr, varNameStr, value); } if (align) { a_Stream.AlignStream(4); } } }