public AssetsFile(string fullName, EndianBinaryReader fileStream) { a_Stream = fileStream; filePath = fullName; fileName = Path.GetFileName(fullName); try { int tableSize = a_Stream.ReadInt32(); int dataEnd = a_Stream.ReadInt32(); fileGen = a_Stream.ReadInt32(); uint dataOffset = a_Stream.ReadUInt32(); sharedAssetsList[0].fileName = Path.GetFileName(fullName); //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 - 5.4 case 16: //??.. no sure case 17: //5.5.0 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 Unity version!" + fileGen, "Unity Studio Error", MessageBoxButtons.OK, MessageBoxIcon.Error); return; } } if (platform > 255 || platform < 0) { byte[] b32 = BitConverter.GetBytes(platform); Array.Reverse(b32); platform = BitConverter.ToInt32(b32, 0); a_Stream.endian = EndianType.LittleEndian; } switch (platform) { case -2: platformStr = "Unity 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 19: platformStr = "CollabPreview"; break; case 21: platformStr = "WP8"; break; case 25: platformStr = "Linux"; break; case 29: platformStr = "Wii U"; break; default: platformStr = "Unknown Platform"; 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(); var cb = new List <ClassMember>(); for (int m = 0; m < memberCount; m++) { readBase(cb, 1); } var aClass = new ClassStruct() { ID = classID, Text = (baseType + " " + baseName), members = cb }; 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; //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.ReadUInt32(); asset.Offset += dataOffset; asset.Size = a_Stream.ReadInt32(); if (fileGen > 15) { int index = a_Stream.ReadInt32(); asset.Type1 = classIDs[index][0]; asset.Type2 = (ushort)classIDs[index][1]; } else { 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! } string typeString; if (ClassIDReference.Names.TryGetValue(asset.Type2, out typeString)) { asset.TypeString = typeString; } else { asset.TypeString = "Unknown Type " + asset.Type2; } asset.uniqueID = i.ToString(assetIDfmt); asset.fullSize = asset.Size; asset.sourceFile = this; preloadTable.Add(asset.m_PathID, asset); #region read BuildSettings to get version for unity 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(buildTypeSplit, StringSplitOptions.RemoveEmptyEntries); var strver = from Match m in Regex.Matches(m_Version, @"[0-9]") select m.Value; version = Array.ConvertAll(strver.ToArray(), int.Parse); if (version[0] == 2 && version[1] == 0 && version[2] == 1 && version[3] == 7)//2017.x { var nversion = new int[version.Length - 3]; nversion[0] = 2017; Array.Copy(version, 4, nversion, 1, version.Length - 4); version = nversion; } 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); } valid = true; } catch { } }
private void readBase(List <ClassMember> cb, int level) { string varType = a_Stream.ReadStringToNull(); string varName = a_Stream.ReadStringToNull(); int size = a_Stream.ReadInt32(); int index = a_Stream.ReadInt32(); int isArray = a_Stream.ReadInt32(); int num0 = a_Stream.ReadInt32(); int flag = a_Stream.ReadInt32(); int childrenCount = a_Stream.ReadInt32(); cb.Add(new ClassMember() { Level = level - 1, Type = varType, Name = varName, Size = size, Flag = flag }); for (int i = 0; i < childrenCount; i++) { readBase(cb, level + 1); } }
public static void ReadClassStruct(StringBuilder sb, List <ClassMember> members, EndianBinaryReader 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 (member.alignBefore) { a_Stream.AlignStream(4); } 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" || varTypeStr == "Type*")//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); ReadClassStruct(sb, array, a_Stream); } i += array.Count + 1;//skip } else if (varTypeStr == "TypelessData") { append = false; var size = a_Stream.ReadInt32(); a_Stream.ReadBytes(size); i += 2; sb.AppendFormat("{0}{1} {2}\r\n", (new string('\t', level)), varTypeStr, varNameStr); sb.AppendFormat("{0}{1} {2} = {3}\r\n", (new string('\t', level)), "int", "size", size); } else { append = false; if (align) { align = false; SetAlignBefore(members, level, i + 1); } 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); } } }