private void readBase5() { int classID = reader.ReadInt32(); if (fileGen > 15)//5.5.0 and up { reader.ReadByte(); int type1; if ((type1 = reader.ReadInt16()) >= 0) { type1 = -1 - type1; } else { type1 = classID; } classIDs.Add(new[] { type1, classID }); if (classID == 114) { reader.Position += 16; } classID = type1; } else if (classID < 0) { reader.Position += 16; } reader.Position += 16; if (baseDefinitions) { int varCount = reader.ReadInt32(); int stringSize = reader.ReadInt32(); reader.Position += varCount * 24; using (var stringReader = new BinaryReader(new MemoryStream(reader.ReadBytes(stringSize)))) { string className = ""; var classVar = new List <ClassMember>(); //build Class Structures reader.Position -= varCount * 24 + stringSize; for (int i = 0; i < varCount; i++) { ushort num0 = reader.ReadUInt16(); byte level = reader.ReadByte(); bool isArray = reader.ReadBoolean(); ushort varTypeIndex = reader.ReadUInt16(); ushort test = reader.ReadUInt16(); string varTypeStr; if (test == 0) //varType is an offset in the string block { stringReader.BaseStream.Position = varTypeIndex; varTypeStr = stringReader.ReadStringToNull(); } else //varType is an index in an internal strig array { varTypeStr = baseStrings.ContainsKey(varTypeIndex) ? baseStrings[varTypeIndex] : varTypeIndex.ToString(); } ushort varNameIndex = reader.ReadUInt16(); test = reader.ReadUInt16(); string varNameStr; if (test == 0) { stringReader.BaseStream.Position = varNameIndex; varNameStr = stringReader.ReadStringToNull(); } else { varNameStr = baseStrings.ContainsKey(varNameIndex) ? baseStrings[varNameIndex] : varNameIndex.ToString(); } int size = reader.ReadInt32(); int index = reader.ReadInt32(); int flag = reader.ReadInt32(); if (index == 0) { className = varTypeStr + " " + varNameStr; } else { classVar.Add(new ClassMember { Level = level - 1, Type = varTypeStr, Name = varNameStr, Size = size, Flag = flag }); } } reader.Position += stringSize; var aClass = new ClassStruct { ID = classID, Text = className, members = classVar }; aClass.SubItems.Add(classID.ToString()); ClassStructures[classID] = aClass; } } }
public AssetsFile(string fullName, EndianBinaryReader reader) { this.reader = reader; filePath = fullName; fileName = Path.GetFileName(fullName); upperFileName = fileName.ToUpper(); try { int tableSize = this.reader.ReadInt32(); int dataEnd = this.reader.ReadInt32(); fileGen = this.reader.ReadInt32(); uint dataOffset = this.reader.ReadUInt32(); sharedAssetsList[0].fileName = fileName; //reference itself because sharedFileIDs start from 1 switch (fileGen) { case 6: //2.5.0 - 2.6.1 { this.reader.Position = (dataEnd - tableSize); this.reader.Position += 1; break; } case 7: //3.0.0 beta { this.reader.Position = (dataEnd - tableSize); this.reader.Position += 1; m_Version = this.reader.ReadStringToNull(); break; } case 8: //3.0.0 - 3.4.2 { this.reader.Position = (dataEnd - tableSize); this.reader.Position += 1; m_Version = this.reader.ReadStringToNull(); platform = this.reader.ReadInt32(); break; } case 9: //3.5.0 - 4.6.x { this.reader.Position += 4; //azero m_Version = this.reader.ReadStringToNull(); platform = this.reader.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 { this.reader.Position += 4; //azero m_Version = this.reader.ReadStringToNull(); platform = this.reader.ReadInt32(); baseDefinitions = this.reader.ReadBoolean(); break; } default: { //MessageBox.Show("Unsupported version!" + fileGen, "AssetStudio Error", MessageBoxButtons.OK, MessageBoxIcon.Error); return; } } if (fileGen > 6 && m_Version == "") { return; } if (platform > 255 || platform < 0) { byte[] b32 = BitConverter.GetBytes(platform); Array.Reverse(b32); platform = BitConverter.ToInt32(b32, 0); this.reader.endian = EndianType.LittleEndian; } platformStr = Enum.IsDefined(typeof(BuildTarget), platform) ? ((BuildTarget)platform).ToString() : "Unknown Platform"; int baseCount = this.reader.ReadInt32(); for (int i = 0; i < baseCount; i++) { if (fileGen < 14) { int classID = this.reader.ReadInt32(); string baseType = this.reader.ReadStringToNull(); string baseName = this.reader.ReadStringToNull(); this.reader.Position += 20; int memberCount = this.reader.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) { this.reader.Position += 4; //azero } int assetCount = this.reader.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) { this.reader.AlignStream(4); } AssetPreloadData asset = new AssetPreloadData(); asset.m_PathID = fileGen < 14 ? this.reader.ReadInt32() : this.reader.ReadInt64(); asset.Offset = this.reader.ReadUInt32(); asset.Offset += dataOffset; asset.Size = this.reader.ReadInt32(); if (fileGen > 15) { int index = this.reader.ReadInt32(); asset.Type1 = classIDs[index][0]; asset.Type2 = classIDs[index][1]; } else { asset.Type1 = this.reader.ReadInt32(); asset.Type2 = this.reader.ReadUInt16(); this.reader.Position += 2; } if (fileGen == 15) { byte unknownByte = this.reader.ReadByte(); //this is a single byte, not an int32 //the next entry is aligned after this //but not the last! } if (Enum.IsDefined(typeof(ClassIDReference), asset.Type2)) { asset.Type = (ClassIDReference)asset.Type2; asset.TypeString = asset.Type.ToString(); } else { asset.Type = ClassIDReference.UnknownType; asset.TypeString = "UnknownType " + 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 version 2.x files if (asset.Type == ClassIDReference.BuildSettings && fileGen == 6) { long nextAsset = this.reader.Position; BuildSettings BSettings = new BuildSettings(asset); m_Version = BSettings.m_Version; this.reader.Position = nextAsset; } #endregion } #endregion buildType = Regex.Replace(m_Version, @"\d", "").Split(new[] { "." }, StringSplitOptions.RemoveEmptyEntries); var firstVersion = int.Parse(m_Version.Split('.')[0]); version = Regex.Matches(m_Version, @"\d").Cast <Match>().Select(m => int.Parse(m.Value)).ToArray(); if (firstVersion > 5)//2017 and up { var nversion = new int[version.Length - 3]; nversion[0] = firstVersion; 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 = this.reader.ReadInt32(); for (int i = 0; i < someCount; i++) { int num1 = this.reader.ReadInt32(); this.reader.AlignStream(4); long m_PathID = this.reader.ReadInt64(); } } int sharedFileCount = this.reader.ReadInt32(); for (int i = 0; i < sharedFileCount; i++) { var shared = new SharedAssets(); shared.aName = this.reader.ReadStringToNull(); this.reader.Position += 20; var sharedFilePath = this.reader.ReadStringToNull(); //relative path shared.fileName = Path.GetFileName(sharedFilePath); sharedAssetsList.Add(shared); } valid = true; } catch { } }