Files
WoWDBDefs/code/C#/DBDefsDumper/Program.cs
2018-06-16 20:32:28 +02:00

869 lines
35 KiB
C#

using System;
using System.Collections.Generic;
using System.IO;
using System.IO.MemoryMappedFiles;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
namespace DBDefsDumper
{
class Program
{
[StructLayout(LayoutKind.Sequential, Pack = 1)]
public struct Header
{
public UInt32 magic;
public UInt32 cpu;
public UInt32 subtype;
public UInt32 fileType;
public UInt32 commandsCount;
public UInt32 commandsSize;
public UInt32 flags;
public UInt32 reserved;
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
public struct Command
{
public UInt32 id;
public UInt32 size;
}
struct Map
{
public UInt64 memoryStart;
public UInt64 memoryEnd;
public UInt64 fileStart;
public UInt64 fileEnd;
public UInt64 translateMemoryToFile(UInt64 offset)
{
if (offset < memoryStart || offset > memoryEnd)
{
return 0x0;
}
var delta = offset - memoryStart;
return fileStart + delta;
}
}
static void Main(string[] args)
{
if (args.Length < 2)
{
throw new ArgumentException("Not enough arguments! Required: file, outdir");
}
if (!File.Exists(args[0]))
{
throw new FileNotFoundException("File not found!");
}
var file = MemoryMappedFile.CreateFromFile(args[0], FileMode.Open);
var stream = file.CreateViewAccessor();
#region BinaryMagic
long offset = 0;
stream.Read(offset, out Header header);
offset += Marshal.SizeOf(header);
var maps = new List<Map>();
for (var i = 0; i < header.commandsCount; i++)
{
stream.Read(offset, out Command command);
if (command.id == 25)
{
var segmentOffset = offset + 4 + 4 + 16; // Segment start + id + size + name;
var vmemOffs = stream.ReadUInt64(segmentOffset);
var vmemSize = stream.ReadUInt64(segmentOffset + 8);
var fileOffs = stream.ReadUInt64(segmentOffset + 16);
var fileSize = stream.ReadUInt64(segmentOffset + 24);
var map = new Map
{
memoryStart = vmemOffs,
memoryEnd = vmemOffs + vmemSize,
fileStart = fileOffs,
fileEnd = fileOffs + fileSize
};
maps.Add(map);
}
offset += command.size;
}
Func<UInt64, UInt64> translate = search => maps.Select(map => map.translateMemoryToFile(search)).FirstOrDefault(r => r != 0x0);
#endregion
using (var bin = new BinaryReader(file.CreateViewStream()))
{
var chunkSize = 1024;
// Find version
var buildPattern = new byte?[] { 0x42, 0x75, 0x69, 0x6C, 0x64, 0x20, null, null, null, null, null, 0x20, 0x28, null, null, null, null, null, 0x29, 0x20, 0x28 };
var buildPatternLength = buildPattern.Length;
var build = "";
while (true)
{
if ((bin.BaseStream.Length - bin.BaseStream.Position) < chunkSize)
{
break;
}
var posInStack = Search(bin.ReadBytes(chunkSize), buildPattern);
if (posInStack != chunkSize)
{
var matchPos = bin.BaseStream.Position - chunkSize + posInStack;
bin.BaseStream.Position = matchPos;
bin.ReadBytes(6);
var buildNumber = new string(bin.ReadChars(5));
bin.ReadBytes(2);
var patch = new string(bin.ReadChars(5));
build = patch + "." + buildNumber;
}
else
{
bin.BaseStream.Position = bin.BaseStream.Position - buildPatternLength;
}
}
if (build == "")
{
// Retry with backup pattern (crash log output)
bin.BaseStream.Position = 0;
buildPattern = new byte?[] { 0x00, 0x3C, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6F, 0x6E, 0x3E, 0x20 }; // <Version>
buildPatternLength = buildPattern.Length;
while (true)
{
if ((bin.BaseStream.Length - bin.BaseStream.Position) < chunkSize)
{
break;
}
var posInStack = Search(bin.ReadBytes(chunkSize), buildPattern);
if (posInStack != chunkSize)
{
var matchPos = bin.BaseStream.Position - chunkSize + posInStack;
bin.BaseStream.Position = matchPos;
bin.ReadBytes(11);
build = new string(bin.ReadChars(11));
}
else
{
bin.BaseStream.Position = bin.BaseStream.Position - buildPatternLength;
}
}
}
if (build == "")
{
throw new Exception("Build was not found!");
}
// Reset position for DBMeta reading
bin.BaseStream.Position = 0;
// Extract DBMeta
var metas = new Dictionary<string, DBMeta>();
var patternBuilder = new PatternBuilder();
foreach(var pattern in patternBuilder.patterns)
{
// Skip versions of the pattern that aren't for this expansion
if(build[0] != pattern.name[0])
{
continue;
}
var patternBytes = ParsePattern(pattern.cur_pattern).ToArray();
var patternLength = patternBytes.Length;
while (true)
{
if ((bin.BaseStream.Length - bin.BaseStream.Position) < chunkSize)
{
break;
}
var posInStack = Search(bin.ReadBytes(chunkSize), patternBytes);
if (posInStack != chunkSize)
{
var matchPos = bin.BaseStream.Position - chunkSize + posInStack;
Console.WriteLine("Pattern " + pattern.name + " matched at " + matchPos);
if (pattern.offsets.ContainsKey(Name.FDID))
{
bin.BaseStream.Position = matchPos + pattern.offsets[Name.FDID];
if(bin.ReadUInt32() < 53183)
{
Console.WriteLine("Invalid filedataid, skipping match..");
continue;
}
}
if (pattern.offsets.ContainsKey(Name.RECORD_SIZE))
{
bin.BaseStream.Position = matchPos + pattern.offsets[Name.RECORD_SIZE];
if (bin.ReadUInt32() == 0)
{
Console.WriteLine("Record size is 0, skipping match..");
continue;
}
}
if (pattern.offsets.ContainsKey(Name.DB_NAME))
{
bin.BaseStream.Position = matchPos + pattern.offsets[Name.DB_NAME];
if (bin.ReadUInt32() < 10)
{
Console.WriteLine("Name offset is invalid, skipping match..");
continue;
}
bin.BaseStream.Position = matchPos + pattern.offsets[Name.DB_NAME];
var targetOffset = (long)translate(bin.ReadUInt64());
if (targetOffset > bin.BaseStream.Length)
{
Console.WriteLine("Name offset is out of range of file, skipping match..");
continue;
}
}
if (pattern.offsets.ContainsKey(Name.DB_FILENAME))
{
bin.BaseStream.Position = matchPos + pattern.offsets[Name.DB_FILENAME];
if (bin.ReadUInt32() < 10)
{
Console.WriteLine("Name offset is invalid, skipping match..");
continue;
}
bin.BaseStream.Position = matchPos + pattern.offsets[Name.DB_FILENAME];
var targetOffset = (long)translate(bin.ReadUInt64());
if (targetOffset > bin.BaseStream.Length)
{
Console.WriteLine("Name offset is out of range of file, skipping match..");
continue;
}
}
if (pattern.offsets.ContainsKey(Name.NUM_FIELD_IN_FILE))
{
bin.BaseStream.Position = matchPos + pattern.offsets[Name.NUM_FIELD_IN_FILE];
if (bin.ReadUInt32() > 5000)
{
Console.WriteLine("Num fields in file is over 5000, skipping match..");
continue;
}
}
if (pattern.offsets.ContainsKey(Name.FIELD_TYPES_IN_FILE) && pattern.offsets.ContainsKey(Name.FIELD_SIZES_IN_FILE))
{
bin.BaseStream.Position = matchPos + pattern.offsets[Name.FIELD_TYPES_IN_FILE];
var fieldTypesInFile = bin.ReadInt64();
bin.BaseStream.Position = matchPos + pattern.offsets[Name.FIELD_SIZES_IN_FILE];
var fieldSizesInFileOffs = bin.ReadInt64();
if(fieldTypesInFile == fieldSizesInFileOffs)
{
Console.WriteLine("Field types in file offset == field sizes in file offset, skipping match..");
continue;
}
}
if (pattern.offsets.ContainsKey(Name.DB_CACHE_FILENAME))
{
bin.BaseStream.Position = matchPos + pattern.offsets[Name.DB_CACHE_FILENAME];
var name = bin.ReadCString();
if (!name.EndsWith("adb"))
{
Console.WriteLine("ADB filename does not end in adb, skipping match..");
continue;
}
}
bin.BaseStream.Position = matchPos;
var meta = ReadMeta(bin, pattern);
if (pattern.offsets.ContainsKey(Name.DB_NAME))
{
bin.BaseStream.Position = (long)translate((ulong)meta.nameOffset);
metas.TryAdd(bin.ReadCString(), meta);
}else if (pattern.offsets.ContainsKey(Name.DB_FILENAME))
{
bin.BaseStream.Position = (long)translate((ulong)meta.dbFilenameOffs);
var name = bin.ReadCString();
metas.TryAdd(Path.GetFileNameWithoutExtension(name), meta);
}
bin.BaseStream.Position = matchPos + patternLength;
}
else
{
bin.BaseStream.Position = bin.BaseStream.Position - patternLength;
}
}
bin.BaseStream.Position = 0;
}
var outputDirectory = Path.Combine(args[1], build);
if (!Directory.Exists(outputDirectory))
{
Directory.CreateDirectory(outputDirectory);
}
// Process DBMetas
foreach(var meta in metas)
{
if((long)translate((ulong)meta.Value.field_offsets_offs) > bin.BaseStream.Length)
{
Console.WriteLine("Skipping reading of " + meta.Key + " because first offset is way out of range!");
continue;
}
var writer = new StreamWriter(Path.Combine(outputDirectory, meta.Key + ".dbd"));
writer.WriteLine("COLUMNS");
Console.Write("Writing " + meta.Key + ".dbd..");
var fieldCount = 0;
if(meta.Value.num_fields == 0 && meta.Value.num_fields_in_file != 0)
{
fieldCount = meta.Value.num_fields_in_file;
}
else
{
fieldCount = meta.Value.num_fields;
}
var field_offsets = ReadFieldArray(bin, fieldCount, (long)translate((ulong)meta.Value.field_offsets_offs));
var field_sizes = ReadFieldArray(bin, fieldCount, (long)translate((ulong)meta.Value.field_sizes_offs));
var field_types = ReadFieldArray(bin, fieldCount, (long)translate((ulong)meta.Value.field_types_offs));
var field_flags = ReadFieldArray(bin, fieldCount, (long)translate((ulong)meta.Value.field_flags_offs));
var field_sizes_in_file = ReadFieldArray(bin, fieldCount, (long)translate((ulong)meta.Value.field_sizes_in_file_offs));
var field_types_in_file = ReadFieldArray(bin, fieldCount, (long)translate((ulong)meta.Value.field_types_in_file_offs));
var field_flags_in_file = ReadFieldArray(bin, fieldCount, (long)translate((ulong)meta.Value.field_flags_in_file_offs));
if (meta.Value.id_column == -1)
{
writer.WriteLine("int ID");
}
var columnNames = new List<string>();
var columnTypeFlags = new List<Tuple<int, int>>();
for(var i = 0; i < meta.Value.num_fields_in_file; i++)
{
if (field_flags_in_file.Count == 0)
{
columnTypeFlags.Add(new Tuple<int, int>(field_types_in_file[i], 0));
}
else
{
columnTypeFlags.Add(new Tuple<int, int>(field_types_in_file[i], field_flags_in_file[i]));
}
}
if (meta.Value.num_fields != 0 && (meta.Value.num_fields_in_file != meta.Value.num_fields))
{
columnTypeFlags.Add(new Tuple<int, int>(field_types[meta.Value.num_fields_in_file], field_flags[meta.Value.num_fields_in_file]));
}
for(var i = 0; i < columnTypeFlags.Count; i++)
{
columnNames.Add(GenerateName(i, meta.Value.layout_hash, build));
var t = TypeToT(columnTypeFlags[i].Item1, (FieldFlags)columnTypeFlags[i].Item2);
if(t.Item1 == "locstring")
{
writer.WriteLine(t.Item1 + " " + columnNames[i]+ "_lang");
}
else
{
if(t.Item1 == "uint")
{
writer.WriteLine("int " + columnNames[i]);
}
else
{
writer.WriteLine(t.Item1 + " " + columnNames[i]);
}
}
}
writer.WriteLine();
if(meta.Value.layout_hash != 0)
{
writer.WriteLine("LAYOUT " + meta.Value.layout_hash.ToString("X8").ToUpper());
}
writer.WriteLine("BUILD " + build);
if(meta.Value.sparseTable == 1)
{
writer.WriteLine("COMMENT table is sparse");
}
if(meta.Value.id_column == -1)
{
writer.WriteLine("$noninline,id$ID<32>");
}
for (var i = 0; i < meta.Value.num_fields_in_file; i++)
{
var typeFlags = ("int", 32);
if(field_flags_in_file.Count == 0)
{
typeFlags = TypeToT(field_types_in_file[i], 0);
}
else
{
typeFlags = TypeToT(field_types_in_file[i], (FieldFlags)field_flags_in_file[i]);
}
if (meta.Value.id_column == i)
{
writer.Write("$id$");
}
if(build.StartsWith("7.3.5") || build.StartsWith("8.0.1"))
{
if (meta.Value.column_8C == i)
{
writer.Write("$relation$");
if (meta.Value.column_90 != i)
{
throw new Exception("No column_90 but there is column_8C send help!");
}
}
}
writer.Write(columnNames[i]);
if(typeFlags.Item1 == "locstring")
{
writer.Write("_lang");
}
if(typeFlags.Item2 > 0)
{
if(typeFlags.Item1 == "uint")
{
writer.Write("<u" + typeFlags.Item2 + ">");
}
else
{
writer.Write("<" + typeFlags.Item2 + ">");
}
}
if(field_sizes_in_file[i] != 1)
{
writer.Write("[" + field_sizes_in_file[i] + "]");
}
writer.WriteLine();
}
if (meta.Value.num_fields != 0 && (meta.Value.num_fields_in_file != meta.Value.num_fields))
{
var i = meta.Value.num_fields_in_file;
var typeFlags = TypeToT(field_types[i], (FieldFlags)field_flags[i]);
writer.Write("$noninline,relation$" + columnNames[i]);
if (typeFlags.Item1 == "locstring")
{
writer.Write("_lang");
}
if (typeFlags.Item2 > 0)
{
if (typeFlags.Item1 == "uint")
{
writer.Write("<u" + typeFlags.Item2 + ">");
}
else
{
writer.Write("<" + typeFlags.Item2 + ">");
}
}
if (field_sizes[i] != 1)
{
writer.Write("[" + field_sizes[i] + "]");
}
}
writer.Flush();
writer.Close();
Console.Write("..done!\n");
}
}
Environment.Exit(0);
}
private static List<int> ReadFieldArray(BinaryReader bin, int fieldCount, long offset)
{
var returnList = new List<int>();
if(offset != 0)
{
bin.BaseStream.Position = offset;
for (var i = 0; i < fieldCount; i++)
{
returnList.Add(bin.ReadInt32());
}
}
return returnList;
}
private static string GenerateName(int fieldIndex, int layoutHash, string build)
{
// TODO: This function should generate a name that is the same between dumps of the same build.
// We can base this off layoutHash in builds that have it, but need to figure something out for builds that don't.
// For now, just name them randomly.
if (layoutHash < 0)
{
layoutHash = layoutHash * -1;
}
//return "field_" + (layoutHash + fieldIndex).ToString().PadLeft(9, '0');
return "field_" + new Random().Next(1, int.MaxValue).ToString().PadLeft(9, '0');
}
private static DBMeta ReadMeta(BinaryReader bin, Pattern pattern)
{
var matchPos = bin.BaseStream.Position;
var meta = new DBMeta();
foreach(var offset in pattern.offsets)
{
bin.BaseStream.Position = matchPos + offset.Value;
switch (offset.Key)
{
case Name.DB_NAME:
meta.nameOffset = bin.ReadInt64();
break;
case Name.NUM_FIELD_IN_FILE:
meta.num_fields_in_file = bin.ReadInt32();
break;
case Name.RECORD_SIZE:
meta.record_size = bin.ReadInt32();
break;
case Name.NUM_FIELD:
meta.num_fields = bin.ReadInt32();
break;
case Name.ID_COLUMN:
meta.id_column = bin.ReadInt32();
break;
case Name.SPARSE_TABLE:
meta.sparseTable = bin.ReadByte();
break;
case Name.FIELD_OFFSETS:
meta.field_offsets_offs = bin.ReadInt64();
break;
case Name.FIELD_SIZES:
meta.field_sizes_offs = bin.ReadInt64();
break;
case Name.FIELD_TYPES:
meta.field_types_offs = bin.ReadInt64();
break;
case Name.FIELD_FLAGS:
meta.field_flags_offs = bin.ReadInt64();
break;
case Name.FIELD_SIZES_IN_FILE:
meta.field_sizes_in_file_offs = bin.ReadInt64();
break;
case Name.FIELD_TYPES_IN_FILE:
meta.field_types_in_file_offs = bin.ReadInt64();
break;
case Name.FIELD_FLAGS_IN_FILE:
meta.field_flags_in_file_offs = bin.ReadInt64();
break;
case Name.FLAGS_58_21:
meta.flags_58_2_1 = bin.ReadByte();
break;
case Name.TABLE_HASH:
meta.table_hash = bin.ReadInt32();
break;
case Name.LAYOUT_HASH:
meta.layout_hash = bin.ReadInt32();
break;
case Name.FLAGS_68_421:
meta.flags_68_4_2_1 = bin.ReadByte();
break;
case Name.FIELD_NUM_IDX_INT:
meta.nbUniqueIdxByInt = bin.ReadInt32();
break;
case Name.FIELD_NUM_IDX_STRING:
meta.nbUniqueIdxByString = bin.ReadInt32();
break;
case Name.FIELD_IDX_INT:
meta.uniqueIdxByInt = bin.ReadInt32();
break;
case Name.FIELD_IDX_STRING:
meta.uniqueIdxByString = bin.ReadInt32();
break;
case Name.UNK88:
meta.bool_88 = bin.ReadByte();
break;
case Name.FIELD_RELATION:
meta.column_8C = bin.ReadInt32();
break;
case Name.FIELD_RELATION_IN_FILE:
meta.column_90 = bin.ReadInt32();
break;
case Name.SORT_FUNC:
meta.sortFunctionOffs = bin.ReadInt64();
break;
case Name.UNKC0:
meta.bool_C0 = bin.ReadByte();
break;
case Name.FDID:
meta.fileDataID = bin.ReadInt32();
break;
case Name.DB_CACHE_FILENAME:
meta.cacheNameOffset = bin.ReadInt64();
break;
case Name.CONVERT_STRINGREFS:
meta.string_ref_offs = bin.ReadInt64();
break;
case Name.DB_FILENAME:
meta.dbFilenameOffs = bin.ReadInt64();
break;
case Name.FIELD_ENCRYPTED:
meta.field_encrypted = bin.ReadInt64();
break;
case Name.SQL_QUERY:
meta.sql_query = bin.ReadInt64();
break;
case Name.SIBLING_TABLE_HASH:
meta.siblingTableHash = bin.ReadInt32();
break;
case Name.FIELD_NAMES_IN_FILE:
meta.namesInFileOffs = bin.ReadInt64();
break;
case Name.UNK_BOOL_601_x24:
case Name.UNK_BOOL_601dbc_x38:
case Name.UNK_BOOL_601dbc_x39:
case Name.UNK_BOOL_601dbc_x3a:
case Name.UNK_BOOL_601dbc_x3b:
case Name.UNK_FLAGS_601_x48_421:
bin.ReadByte();
break;
default:
throw new Exception("Unknown name: " + offset.Key);
}
}
return meta;
}
public enum FieldFlags : int
{
f_maybe_fk = 1,
f_maybe_compressed = 2, // according to simca
f_unsigned = 4,
f_localized = 8,
};
public static (string, int) TypeToT(int type, FieldFlags flag)
{
switch (type)
{
case 0:
switch (flag)
{
case 0 | 0 | 0 | 0:
case 0 | 0 | 0 | FieldFlags.f_maybe_fk:
case 0 | 0 | FieldFlags.f_maybe_compressed | 0:
case 0 | 0 | FieldFlags.f_maybe_compressed | FieldFlags.f_maybe_fk:
return ("int", 32);
case 0 | FieldFlags.f_unsigned | 0 | 0:
case 0 | FieldFlags.f_unsigned | 0 | FieldFlags.f_maybe_fk:
case 0 | FieldFlags.f_unsigned | FieldFlags.f_maybe_compressed | 0:
case 0 | FieldFlags.f_unsigned | FieldFlags.f_maybe_compressed | FieldFlags.f_maybe_fk:
return ("uint", 32);
default:
throw new Exception("Unknown flag combination!");
}
case 1:
switch (flag)
{
case 0 | 0 | 0 | 0:
return ("int", 64);
case 0 | FieldFlags.f_unsigned | 0 | 0:
case 0 | FieldFlags.f_unsigned | 0 | FieldFlags.f_maybe_fk:
return ("uint", 64);
default:
throw new Exception("Unknown flag combination!");
}
case 2:
switch (flag)
{
case 0 | 0 | 0 | 0:
return ("string", 0);
case FieldFlags.f_localized | 0 | 0 | 0:
return ("locstring", 0);
default:
throw new Exception("Unknown flag combination!");
}
case 3:
switch (flag)
{
case 0 | 0 | 0 | 0:
case 0 | 0 | FieldFlags.f_maybe_compressed | 0:
return ("float", 0);
default:
throw new Exception("Unknown flag combination!");
}
case 4:
switch (flag)
{
case 0 | 0 | 0 | 0:
case 0 | 0 | FieldFlags.f_maybe_compressed | 0:
return ("int", 8);
case 0 | FieldFlags.f_unsigned | 0 | 0:
case 0 | FieldFlags.f_unsigned | FieldFlags.f_maybe_compressed | 0:
return ("uint", 8);
default:
throw new Exception("Unknown flag combination!");
}
case 5:
switch (flag)
{
case 0 | 0 | 0 | 0:
case 0 | 0 | 0 | FieldFlags.f_maybe_fk:
case 0 | 0 | FieldFlags.f_maybe_compressed | 0:
case 0 | 0 | FieldFlags.f_maybe_compressed | FieldFlags.f_maybe_fk:
return ("int", 16);
case 0 | FieldFlags.f_unsigned | 0 | 0:
case 0 | FieldFlags.f_unsigned | 0 | FieldFlags.f_maybe_fk:
case 0 | FieldFlags.f_unsigned | FieldFlags.f_maybe_compressed | 0:
case 0 | FieldFlags.f_unsigned | FieldFlags.f_maybe_compressed | FieldFlags.f_maybe_fk:
return ("uint", 16);
default:
throw new Exception("Unknown flag combination!");
}
default:
throw new Exception("Ran into unknown field type: " + type);
}
}
public static int Search(byte[] haystack, byte?[] needle)
{
int first = 0;
for (; ; ++first)
{
int it = first;
for (int s_it = 0; ; ++it, ++s_it)
{
if (s_it == needle.Length)
{
return first;
}
if (it == haystack.Length)
{
return haystack.Length;
}
if (needle[s_it].HasValue && haystack[it] != needle[s_it].Value)
{
break;
}
}
}
}
public static List<byte?> ParsePattern(string pattern)
{
// Parse pattern
var explodedPattern = pattern.Split(' ');
var patternList = new List<byte?>();
foreach (var part in explodedPattern)
{
if (part == string.Empty)
{
continue;
}
if (part != "?")
{
patternList.Add(Convert.ToByte(part));
}
else
{
patternList.Add(null);
}
}
return patternList;
}
}
#region BinaryReaderExtensions
static class BinaryReaderExtensios
{
/// <summary> Reads the NULL terminated string from
/// the current stream and advances the current position of the stream by string length + 1.
/// <seealso cref="BinaryReader.ReadString"/>
/// </summary>
public static string ReadCString(this BinaryReader reader)
{
return reader.ReadCString(Encoding.UTF8);
}
/// <summary> Reads the NULL terminated string from
/// the current stream and advances the current position of the stream by string length + 1.
/// <seealso cref="BinaryReader.ReadString"/>
/// </summary>
public static string ReadCString(this BinaryReader reader, Encoding encoding)
{
var bytes = new List<byte>();
byte b;
while ((b = reader.ReadByte()) != 0)
bytes.Add(b);
return encoding.GetString(bytes.ToArray());
}
public static T Read<T>(this BinaryReader bin)
{
var bytes = bin.ReadBytes(Marshal.SizeOf(typeof(T)));
var handle = GCHandle.Alloc(bytes, GCHandleType.Pinned);
T ret = (T)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(T));
handle.Free();
return ret;
}
}
#endregion
}