private static ScriptHeader GenerateConsoleHeader(Stream scriptStream) { var header = new ScriptHeader(); var reader = new Reader(scriptStream); scriptStream.Seek(0, SeekOrigin.Begin); header.Rsc7Offset = reader.SReadUInt32() == 0x52534337 ? 0x10 : 0x0; scriptStream.Seek(header.Rsc7Offset, SeekOrigin.Begin); header.Magic = reader.SReadInt32(); //0x0 header.SubHeader = reader.SReadPointer(); //0x4 header.CodeBlocksOffset = reader.SReadPointer(); //0x8 header.GlobalsVersion = reader.SReadInt32(); //0x C header.CodeLength = reader.SReadInt32(); //0x10 header.ParameterCount = reader.SReadInt32(); //0x14 header.StaticsCount = reader.SReadInt32(); //0x18 header.GlobalsCount = reader.SReadInt32(); //0x1C header.NativesCount = reader.SReadInt32(); //0x20 header.StaticsOffset = reader.SReadPointer(); //0x24 header.GlobalsOffset = reader.SReadPointer(); //0x28 header.NativesOffset = reader.SReadPointer(); //0x2C header.Null1 = reader.SReadInt32(); //0x30 header.Null2 = reader.SReadInt32(); //0x34 header.NameHash = reader.SReadInt32(); header.Null3 = reader.SReadInt32(); //0x38 header.ScriptNameOffset = reader.SReadPointer(); //0x40 header.StringsOffset = reader.SReadPointer(); //0x44 header.StringsSize = reader.SReadInt32(); //0x48 header.Null4 = reader.ReadInt32(); //0x4C header.StringBlocks = (header.StringsSize + 0x3FFF) >> 14; header.CodeBlocks = (header.CodeLength + 0x3FFF) >> 14; header.StringTableOffsets = new int[header.StringBlocks]; scriptStream.Seek(header.StringsOffset + header.Rsc7Offset, SeekOrigin.Begin); for (var i = 0; i < header.StringBlocks; i++) { header.StringTableOffsets[i] = reader.SReadPointer() + header.Rsc7Offset; } header.CodeTableOffsets = new int[header.CodeBlocks]; scriptStream.Seek(header.CodeBlocksOffset + header.Rsc7Offset, SeekOrigin.Begin); for (var i = 0; i < header.CodeBlocks; i++) { header.CodeTableOffsets[i] = reader.SReadPointer() + header.Rsc7Offset; } scriptStream.Position = header.ScriptNameOffset + header.Rsc7Offset; var data = scriptStream.ReadByte(); header.ScriptName = ""; while (data != 0 && data != -1) { header.ScriptName += (char)data; data = scriptStream.ReadByte(); } return(header); }
public ScriptFile(Stream scriptStream, OpcodeSet opCodeSet) { _file = scriptStream; CodeSet = opCodeSet; _codeTable = new List <byte>(); Functions = new List <Function>(); AggFunctions = new List <Function>(); FunctionLoc = new Dictionary <int, FunctionName>(); Header = ScriptHeader.Generate(scriptStream); StringTable = new StringTable(scriptStream, Header.StringTableOffsets, Header.StringBlocks, Header.StringsSize); X64NativeTable = new X64NativeTable(scriptStream, Header.NativesOffset + Header.Rsc7Offset, Header.NativesCount, Header.CodeLength); Name = Header.ScriptName; for (var i = 0; i < Header.CodeBlocks; i++) { var tablesize = (i + 1) * 0x4000 >= Header.CodeLength ? Header.CodeLength % 0x4000 : 0x4000; var working = new byte[tablesize]; scriptStream.Position = Header.CodeTableOffsets[i]; scriptStream.Read(working, 0, tablesize); _codeTable.AddRange(working); } GetStaticInfo(); GetFunctions(); foreach (var func in Functions) { func.PreDecode(); } Statics.Checkvars(); var dirty = true; while (dirty) { dirty = false; foreach (var func in Functions) { if (func.Dirty) { dirty = true; func.Dirty = false; func.DecodeInstructionsForVarInfo(); } } } if (Program.AggregateFunctions) { foreach (var func in AggFunctions) { func.PreDecode(); } } foreach (var func in Functions) { func.Decode(); } if (Program.AggregateFunctions) { foreach (var func in AggFunctions) { func.Decode(); } } }