public void InitCmpFlags(Dna memoryDna)
{
// compare the file to memory
// this ptr should be the file data
Debug.Assert(_names.Length != 0); // SDNA empty!
_cmpFlags = new FileDnaFlags[_structs.Length];
for (int i = 0; i < _structs.Length; i++)
{
Dna.StructDecl oldStruct = _structs[i];
int oldLookup = GetReverseType(oldStruct.Type.Name);
if (oldLookup == -1)
{
_cmpFlags[i] = FileDnaFlags.None;
continue;
}
if (oldLookup < memoryDna._structs.Length)
{
Dna.StructDecl curStruct = memoryDna.GetStruct(oldLookup);
_cmpFlags[i] = oldStruct.Equals(curStruct) ? FileDnaFlags.StructEqual : FileDnaFlags.StructNotEqual;
}
}
// Recurse in
for (int i = 0; i < _structs.Length; i++)
{
if (_cmpFlags[i] == FileDnaFlags.StructNotEqual)
{
InitRecurseCmpFlags(_structs[i]);
}
}
}
protected void ParseStruct(BinaryWriter strc, BinaryReader data, Dna.StructDecl fileStruct, Dna.StructDecl memoryStruct, bool fixupPointers)
{
if (fileStruct == null)
{
return;
}
if (memoryStruct == null)
{
return;
}
long dataPtr = data.BaseStream.Position;
long strcPtr = strc.BaseStream.Position;
foreach (Dna.ElementDecl element in memoryStruct.Elements)
{
int memorySize = _memoryDna.GetElementSize(element);
if (element.Type.Struct != null && element.Name.Name[0] != '*')
{
Dna.ElementDecl elementOld;
long elementOffset = GetFileElement(fileStruct, element, dataPtr, out elementOld);
if (elementOffset != 0)
{
Dna.StructDecl oldStruct = _fileDna.GetStruct(_fileDna.GetReverseType(element.Type.Name));
data.BaseStream.Position = elementOffset;
int arrayLen = elementOld.Name.ArraySizeNew;
if (arrayLen == 1)
{
strc.BaseStream.Position = strcPtr;
ParseStruct(strc, data, oldStruct, element.Type.Struct, fixupPointers);
strcPtr += memorySize;
}
else
{
int fileSize = _fileDna.GetElementSize(elementOld) / arrayLen;
memorySize /= arrayLen;
for (int i = 0; i < arrayLen; i++)
{
strc.BaseStream.Position = strcPtr;
ParseStruct(strc, data, oldStruct, element.Type.Struct, fixupPointers);
data.BaseStream.Position += fileSize;
strcPtr += memorySize;
}
}
}
}
else
{
strc.BaseStream.Position = strcPtr;
GetMatchingFileDna(fileStruct, element, strc, dataPtr, fixupPointers);
strcPtr += memorySize;
}
}
}
private void ParseElement(BinaryWriter writer, Dna.StructDecl fileStruct, Dna.ElementDecl memoryElement, long structOffset)
{
long elementOffset;
Dna.ElementDecl elementOld = GetFileElement(fileStruct, memoryElement, out elementOffset);
if (elementOld != null)
{
Dna.StructDecl typeStructOld = _fileDna.GetStruct(memoryElement.Type.Name);
int arrayLength = elementOld.NameInfo.ArrayLength;
for (int i = 0; i < arrayLength; i++)
{
long subStructOffset = structOffset + i * typeStructOld.Type.Length + elementOffset;
ParseStruct(writer, memoryElement.Type.Struct, typeStructOld, subStructOffset);
}
}
}
protected Dna.ElementDecl GetFileElement(Dna.StructDecl fileStruct, Dna.ElementDecl lookupElement, out long elementOffset)
{
elementOffset = 0;
foreach (Dna.ElementDecl element in fileStruct.Elements)
{
if (element.NameInfo.Equals(lookupElement.NameInfo))
{
if (element.Type.Name.Equals(lookupElement.Type.Name))
{
return(element);
}
break;
}
elementOffset += _fileDna.GetElementSize(element);
}
return(null);
}
protected void ParseStruct(BinaryWriter writer, Dna.StructDecl memoryStruct, Dna.StructDecl fileStruct, long structOffset)
{
Debug.Assert(memoryStruct != null);
Debug.Assert(fileStruct != null);
foreach (Dna.ElementDecl element in memoryStruct.Elements)
{
if (element.Type.Struct != null && element.NameInfo.Name[0] != '*')
{
ParseElement(writer, fileStruct, element, structOffset);
}
else
{
WriteElement(writer, fileStruct, element, structOffset);
}
}
}
// Structs containing non-equal structs are also non-equal
private void InitRecurseCmpFlags(Dna.StructDecl iter)
{
for (int i = 0; i < _structs.Length; i++)
{
Dna.StructDecl curStruct = _structs[i];
if (curStruct != iter && _cmpFlags[i] == FileDnaFlags.StructEqual)
{
foreach (Dna.ElementDecl element in curStruct.Elements)
{
if (curStruct.Type == iter.Type && element.Name.IsPointer)
{
_cmpFlags[i] = FileDnaFlags.StructNotEqual;
InitRecurseCmpFlags(curStruct);
}
}
}
}
}
public void ResolvePointers(FileVerboseMode verboseMode)
{
Dna fileDna = (_fileDna != null) ? _fileDna : _memoryDna;
if (true) // && ((_flags & FileFlags.BitsVaries | FileFlags.VersionVaries) != 0))
{
//ResolvePointersMismatch();
}
if ((verboseMode & FileVerboseMode.ExportXml) != 0)
{
Console.WriteLine("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
Console.WriteLine("<bullet_physics version=\"{0}\" itemcount=\"{1}\">", Version, _chunks.Count);
}
foreach (ChunkInd dataChunk in _chunks)
{
if (_fileDna == null || fileDna.FlagEqual(dataChunk.DnaNR))
{
Dna.StructDecl oldStruct = fileDna.GetStruct(dataChunk.DnaNR);
if ((verboseMode & FileVerboseMode.ExportXml) != 0)
{
Console.WriteLine(" <{0} pointer=\"{1}\">", oldStruct.Type.Name, dataChunk.OldPtr);
}
ResolvePointersChunk(dataChunk, verboseMode);
if ((verboseMode & FileVerboseMode.ExportXml) != 0)
{
Console.WriteLine(" </{0}>", oldStruct.Type.Name);
}
}
else
{
//Console.WriteLine("skipping struct");
}
}
if ((verboseMode & FileVerboseMode.ExportXml) != 0)
{
Console.WriteLine("</bullet_physics>");
}
}
protected long GetFileElement(Dna.StructDecl firstStruct, Dna.ElementDecl lookupElement, long data, out Dna.ElementDecl found)
{
foreach (Dna.ElementDecl element in firstStruct.Elements)
{
if (element.Name.Equals(lookupElement.Name))
{
if (element.Type.Name.Equals(lookupElement.Type.Name))
{
found = element;
return(data);
}
found = null;
return(0);
}
data += _fileDna.GetElementSize(element);
}
found = null;
return(0);
}
protected void ResolvePointersChunk(ChunkInd dataChunk, FileVerboseMode verboseMode)
{
Dna fileDna = (_fileDna != null) ? _fileDna : _memoryDna;
Dna.StructDecl oldStruct = fileDna.GetStruct(dataChunk.DnaNR);
int oldLen = oldStruct.Type.Length;
byte[] cur = FindLibPointer(dataChunk.OldPtr);
using (MemoryStream stream = new MemoryStream(cur, false))
{
using (BinaryReader reader = new BinaryReader(stream))
{
for (int block = 0; block < dataChunk.NR; block++)
{
long streamPosition = stream.Position;
ResolvePointersStructRecursive(reader, dataChunk.DnaNR, verboseMode, 1);
System.Diagnostics.Debug.Assert(stream.Position == streamPosition + oldLen);
}
}
}
}
public override void FinalizeChunk(Chunk chunk, string structType, DnaID chunkCode, IntPtr oldPtr)
{
if ((SerializationFlags & SerializationFlags.NoDuplicateAssert) == 0)
{
Debug.Assert(FindPointer(oldPtr) == IntPtr.Zero);
}
Dna.StructDecl structDecl = _dna.GetStruct(structType);
for (int i = 0; i < _dna.NumStructs; i++)
{
if (_dna.GetStruct(i) == structDecl)
{
chunk.DnaNr = i;
break;
}
}
chunk.ChunkCode = (int)chunkCode;
IntPtr uniquePtr = GetUniquePointer(oldPtr);
_chunkP.Add(oldPtr, uniquePtr); //chunk->m_oldPtr);
chunk.OldPtr = uniquePtr; //oldPtr;
}
protected void WriteElement(BinaryWriter writer, Dna.StructDecl fileStruct, Dna.ElementDecl memoryElement, long structOffset)
{
bool brokenDna = (Flags & FileFlags.BrokenDna) != 0;
int elementOffset;
Dna.ElementDecl fileElement = fileStruct.FindElement(_fileDna, brokenDna, memoryElement.NameInfo, out elementOffset);
ChunkReader.BaseStream.Position = structOffset + elementOffset;
if (fileElement == null)
{
int elementLength = _memoryDna.GetElementSize(memoryElement);
writer.BaseStream.Position += elementLength;
}
else if (fileElement.NameInfo.Name[0] == '*')
{
SafeSwapPtr(writer, ChunkReader);
}
else if (fileElement.Type.Name.Equals(memoryElement.Type.Name))
{
int elementLength = _fileDna.GetElementSize(fileElement);
if (elementLength != _memoryDna.GetElementSize(memoryElement))
{
throw new InvalidDataException();
}
byte[] mem = new byte[elementLength];
ChunkReader.Read(mem, 0, elementLength);
writer.Write(mem);
}
else
{
throw new InvalidDataException();
//GetElement(arrayLen, lookupType, type, data, strcData);
}
}
protected unsafe void InitDna(byte[] bdnaOrg)
{
if (_dna != IntPtr.Zero)
{
return;
}
_dnaLength = bdnaOrg.Length;
_dna = Marshal.AllocHGlobal(bdnaOrg.Length);
Marshal.Copy(bdnaOrg, 0, _dna, _dnaLength);
Stream stream = new UnmanagedMemoryStream((byte*)_dna.ToPointer(), _dnaLength);
BinaryReader reader = new BinaryReader(stream);
// SDNA
byte[] code = reader.ReadBytes(8);
string codes = ASCIIEncoding.ASCII.GetString(code);
// NAME
if (!codes.Equals("SDNANAME"))
{
throw new InvalidDataException();
}
int dataLen = reader.ReadInt32();
_names = new Dna.NameInfo[dataLen];
for (int i = 0; i < dataLen; i++)
{
List<byte> name = new List<byte>();
byte ch = reader.ReadByte();
while (ch != 0)
{
name.Add(ch);
ch = reader.ReadByte();
}
_names[i] = new Dna.NameInfo(ASCIIEncoding.ASCII.GetString(name.ToArray()));
}
stream.Position = (stream.Position + 3) & ~3;
// TYPE
code = reader.ReadBytes(4);
codes = ASCIIEncoding.ASCII.GetString(code);
if (!codes.Equals("TYPE"))
{
throw new InvalidDataException();
}
dataLen = reader.ReadInt32();
_types = new Dna.TypeDecl[dataLen];
for (int i = 0; i < dataLen; i++)
{
List<byte> name = new List<byte>();
byte ch = reader.ReadByte();
while (ch != 0)
{
name.Add(ch);
ch = reader.ReadByte();
}
string type = ASCIIEncoding.ASCII.GetString(name.ToArray());
_types[i] = new Dna.TypeDecl(type);
}
stream.Position = (stream.Position + 3) & ~3;
// TLEN
code = reader.ReadBytes(4);
codes = ASCIIEncoding.ASCII.GetString(code);
if (!codes.Equals("TLEN"))
{
throw new InvalidDataException();
}
for (int i = 0; i < _types.Length; i++)
{
_types[i].Length = reader.ReadInt16();
}
stream.Position = (stream.Position + 3) & ~3;
// STRC
code = reader.ReadBytes(4);
codes = ASCIIEncoding.ASCII.GetString(code);
if (!codes.Equals("STRC"))
{
throw new InvalidDataException();
}
dataLen = reader.ReadInt32();
_structs = new Dna.StructDecl[dataLen];
long shtPtr = stream.Position;
for (int i = 0; i < dataLen; i++)
{
Dna.StructDecl structDecl = new Dna.StructDecl();
_structs[i] = structDecl;
if (!BitConverter.IsLittleEndian)
{
throw new NotImplementedException();
}
else
{
short typeNr = reader.ReadInt16();
structDecl.Type = _types[typeNr];
structDecl.Type.Struct = structDecl;
int numElements = reader.ReadInt16();
structDecl.Elements = new Dna.ElementDecl[numElements];
for (int j = 0; j < numElements; j++)
{
typeNr = reader.ReadInt16();
short nameNr = reader.ReadInt16();
structDecl.Elements[j] = new Dna.ElementDecl(_types[typeNr], _names[nameNr]);
}
}
}
reader.Dispose();
stream.Dispose();
// build reverse lookups
_structReverse = new Dictionary<string, Dna.StructDecl>(_structs.Length);
foreach (Dna.StructDecl s in _structs)
{
_structReverse.Add(s.Type.Name, s);
}
}
protected int ResolvePointersStructRecursive(BinaryReader reader, int dnaNr, FileVerboseMode verboseMode, int recursion)
{
Dna fileDna = (_fileDna != null) ? _fileDna : _memoryDna;
Dna.StructDecl oldStruct = fileDna.GetStruct(dnaNr);
int totalSize = 0;
foreach (Dna.ElementDecl element in oldStruct.Elements)
{
int size = fileDna.GetElementSize(element);
int arrayLen = element.Name.ArraySizeNew;
if (element.Name.Name[0] == '*')
{
if (arrayLen > 1)
{
throw new NotImplementedException();
}
else
{
long ptr = (IntPtr.Size == 8) ? reader.ReadInt64() : reader.ReadInt32();
if ((verboseMode & FileVerboseMode.ExportXml) != 0)
{
for (int i = 0; i < recursion; i++)
{
Console.Write(" ");
}
Console.WriteLine("<{0} type=\"pointer\"> {1} </{0}>", element.Name.Name.Substring(1), ptr);
}
byte[] ptrChunk = FindLibPointer(ptr);
if (ptrChunk != null)
{
//throw new NotImplementedException();
}
else
{
//Console.WriteLine("Cannot fixup pointer at {0} from {1} to {2}!", ptrptr, *ptrptr, ptr);
}
}
}
else
{
if (element.Type.Struct != null)
{
if ((verboseMode & FileVerboseMode.ExportXml) != 0)
{
for (int i = 0; i < recursion; i++)
{
Console.Write(" ");
}
if (arrayLen > 1)
{
Console.WriteLine("<{0} type=\"{1}\" count={2}>", element.Name.CleanName, element.Type.Name, arrayLen);
}
else
{
Console.WriteLine("<{0} type=\"{1}\">", element.Name.CleanName, element.Type.Name);
}
}
for (int i = 0; i < arrayLen; i++)
{
int revType = _fileDna.GetReverseType(element.Type.Name);
ResolvePointersStructRecursive(reader, revType, verboseMode, recursion + 1);
//throw new NotImplementedException();
}
if ((verboseMode & FileVerboseMode.ExportXml) != 0)
{
for (int i = 0; i < recursion; i++)
{
Console.Write(" ");
}
Console.WriteLine("</{0}>", element.Name.CleanName);
}
}
else
{
// export a simple type
if ((verboseMode & FileVerboseMode.ExportXml) != 0)
{
if (arrayLen > MaxArrayLength)
{
Console.WriteLine("too long");
}
else
{
bool isIntegerType;
switch (element.Type.Name)
{
case "char":
case "short":
case "int":
isIntegerType = true;
break;
default:
isIntegerType = false;
break;
}
if (isIntegerType)
{
throw new NotImplementedException();
/*
* const char* newtype="int";
* int dbarray[MAX_ARRAY_LENGTH];
* int* dbPtr = 0;
* char* tmp = elemPtr;
* dbPtr = &dbarray[0];
* if (dbPtr)
* {
* char cleanName[MAX_STRLEN];
* getCleanName(memName,cleanName);
*
* int i;
* getElement(arrayLen, newtype,memType, tmp, (char*)dbPtr);
* for (i=0;i<recursion;i++)
* printf(" ");
* if (arrayLen==1)
* printf("<%s type=\"%s\">",cleanName,memType);
* else
* printf("<%s type=\"%s\" count=%d>",cleanName,memType,arrayLen);
* for (i=0;i<arrayLen;i++)
* printf(" %d ",dbPtr[i]);
* printf("</%s>\n",cleanName);
* }*/
}
else
{
double[] dbArray = new double[arrayLen];
GetElement(reader, arrayLen, element.Type, dbArray);
for (int i = 0; i < recursion; i++)
{
Console.Write(" ");
}
if (arrayLen == 1)
{
Console.Write("<{0} type=\"{1}\">", element.Name.Name, element.Type.Name);
}
else
{
Console.Write("<{0} type=\"{1}\" count=\"{2}\">", element.Name.CleanName, element.Type.Name, arrayLen);
}
for (int i = 0; i < arrayLen; i++)
{
Console.Write(" {0} ", dbArray[i].ToString(CultureInfo.InvariantCulture));
}
Console.WriteLine("</{0}>", element.Name.CleanName);
}
}
}
reader.BaseStream.Position += size;
}
}
totalSize += size;
}
return(totalSize);
}
protected byte[] ReadChunkData(ChunkInd dataChunk, long chunkDataOffset)
{
//bool ignoreEndianFlag = false;
if ((Flags & FileFlags.EndianSwap) != 0)
{
//swap(head, dataChunk, ignoreEndianFlag);
}
if (StructChanged(dataChunk.StructIndex))
{
// Ouch! need to rebuild the struct
Dna.StructDecl oldStruct = _fileDna.GetStruct(dataChunk.StructIndex);
if ((Flags & FileFlags.BrokenDna) != 0)
{
if (oldStruct.Type.Name.Equals("btQuantizedBvhNodeData") && oldStruct.Type.Length == 28)
{
throw new NotImplementedException();
}
if (oldStruct.Type.Name.Equals("btShortIntIndexData"))
{
throw new NotImplementedException();
}
}
// Don't try to convert Link block data, just memcpy it. Other data can be converted.
if (oldStruct.Type.Name.Equals("Link"))
{
//Console.WriteLine("Link found");
}
else
{
Dna.StructDecl curStruct = _memoryDna.GetStruct(oldStruct.Type.Name);
if (curStruct != null)
{
byte[] structAlloc = new byte[dataChunk.NumBlocks * curStruct.Type.Length];
AddDataBlock(structAlloc);
using (var stream = new MemoryStream(structAlloc))
{
using (var writer = new BinaryWriter(stream))
{
long structOffset = chunkDataOffset;
for (int block = 0; block < dataChunk.NumBlocks; block++)
{
ParseStruct(writer, curStruct, oldStruct, structOffset);
structOffset += oldStruct.Type.Length;
}
}
}
return(structAlloc);
}
}
}
else
{
#if DEBUG_EQUAL_STRUCTS
#endif
}
byte[] dataAlloc = new byte[dataChunk.Length];
ChunkReader.Read(dataAlloc, 0, dataChunk.Length);
return(dataAlloc);
}
protected byte[] ReadStruct(BinaryReader head, ChunkInd dataChunk)
{
bool ignoreEndianFlag = false;
if ((_flags & FileFlags.EndianSwap) == FileFlags.EndianSwap)
{
//swap(head, dataChunk, ignoreEndianFlag);
}
if (!_fileDna.FlagEqual(dataChunk.DnaNR))
{
// Ouch! need to rebuild the struct
Dna.StructDecl oldStruct = _fileDna.GetStruct(dataChunk.DnaNR);
if ((_flags & FileFlags.BrokenDna) != 0)
{
if (oldStruct.Type.Name.Equals("btQuantizedBvhNodeData") && oldStruct.Type.Length == 28)
{
throw new NotImplementedException();
}
if (oldStruct.Type.Name.Equals("btShortIntIndexData"))
{
throw new NotImplementedException();
}
}
// Don't try to convert Link block data, just memcpy it. Other data can be converted.
if (oldStruct.Type.Name.Equals("Link"))
{
//Console.WriteLine("Link found");
}
else
{
int reverseOld = _memoryDna.GetReverseType(oldStruct.Type.Name);
if (reverseOld != -1)
{
Dna.StructDecl curStruct = _memoryDna.GetStruct(reverseOld);
byte[] structAlloc = new byte[dataChunk.NR * curStruct.Type.Length];
AddDataBlock(structAlloc);
using (MemoryStream stream = new MemoryStream(structAlloc))
{
using (BinaryWriter writer = new BinaryWriter(stream))
{
long headerPtr = head.BaseStream.Position;
for (int block = 0; block < dataChunk.NR; block++)
{
head.BaseStream.Position = headerPtr;
ParseStruct(writer, head, oldStruct, curStruct, true);
headerPtr += oldStruct.Type.Length;
//_libPointers.Add(old, cur);
}
}
}
return(structAlloc);
}
}
}
else
{
#if DEBUG_EQUAL_STRUCTS
#endif
}
byte[] dataAlloc = new byte[dataChunk.Length];
head.Read(dataAlloc, 0, dataAlloc.Length);
return(dataAlloc);
}
protected void GetMatchingFileDna(Dna.StructDecl dna, Dna.ElementDecl lookupElement, BinaryWriter strcData, long data, bool fixupPointers)
{
// find the matching memory dna data
// to the file being loaded. Fill the
// memory with the file data...
foreach (Dna.ElementDecl element in dna.Elements)
{
int eleLen = _fileDna.GetElementSize(element);
if ((_flags & FileFlags.BrokenDna) != 0)
{
if (element.Type.Name.Equals("short") && element.Name.Name.Equals("int"))
{
eleLen = 0;
}
}
if (lookupElement.Name.Equals(element.Name))
{
int arrayLen = element.Name.ArraySizeNew;
MemoryStream dataStream = new MemoryStream(_fileBuffer, false);
dataStream.Position = data;
BinaryReader dataReader = new BinaryReader(dataStream);
if (element.Name.Name[0] == '*')
{
SafeSwapPtr(strcData, dataReader);
if (fixupPointers)
{
if (arrayLen > 1)
{
throw new NotImplementedException();
}
else
{
if (element.Name.Name[1] == '*')
{
throw new NotImplementedException();
}
else
{
//_chunkPointerFixupArray.Add(strcData.BaseStream.Position);
}
}
}
else
{
//Console.WriteLine("skipped {0} {1} : {2:X}", element.Type.Name, element.Name.Name, strcData.BaseStream.Position);
}
}
else if (element.Type.Name.Equals(lookupElement.Type.Name))
{
byte[] mem = new byte[eleLen];
dataReader.Read(mem, 0, eleLen);
strcData.Write(mem);
}
else
{
throw new NotImplementedException();
//GetElement(arrayLen, lookupType, type, data, strcData);
}
dataReader.Dispose();
dataStream.Dispose();
break;
}
data += eleLen;
}
}
protected unsafe void InitDna(byte[] bdnaOrg)
{
if (_dna != IntPtr.Zero)
{
return;
}
_dnaLength = bdnaOrg.Length;
_dna = Marshal.AllocHGlobal(bdnaOrg.Length);
Marshal.Copy(bdnaOrg, 0, _dna, _dnaLength);
Stream stream = new UnmanagedMemoryStream((byte *)_dna.ToPointer(), _dnaLength);
BinaryReader reader = new BinaryReader(stream);
// SDNA
byte[] code = reader.ReadBytes(8);
string codes = ASCIIEncoding.ASCII.GetString(code);
// NAME
if (!codes.Equals("SDNANAME"))
{
throw new InvalidDataException();
}
int dataLen = reader.ReadInt32();
_names = new Dna.NameInfo[dataLen];
for (int i = 0; i < dataLen; i++)
{
List <byte> name = new List <byte>();
byte ch = reader.ReadByte();
while (ch != 0)
{
name.Add(ch);
ch = reader.ReadByte();
}
_names[i] = new Dna.NameInfo(ASCIIEncoding.ASCII.GetString(name.ToArray()));
}
stream.Position = (stream.Position + 3) & ~3;
// TYPE
code = reader.ReadBytes(4);
codes = ASCIIEncoding.ASCII.GetString(code);
if (!codes.Equals("TYPE"))
{
throw new InvalidDataException();
}
dataLen = reader.ReadInt32();
_types = new Dna.TypeDecl[dataLen];
for (int i = 0; i < dataLen; i++)
{
List <byte> name = new List <byte>();
byte ch = reader.ReadByte();
while (ch != 0)
{
name.Add(ch);
ch = reader.ReadByte();
}
string type = ASCIIEncoding.ASCII.GetString(name.ToArray());
_types[i] = new Dna.TypeDecl(type);
}
stream.Position = (stream.Position + 3) & ~3;
// TLEN
code = reader.ReadBytes(4);
codes = ASCIIEncoding.ASCII.GetString(code);
if (!codes.Equals("TLEN"))
{
throw new InvalidDataException();
}
for (int i = 0; i < _types.Length; i++)
{
_types[i].Length = reader.ReadInt16();
}
stream.Position = (stream.Position + 3) & ~3;
// STRC
code = reader.ReadBytes(4);
codes = ASCIIEncoding.ASCII.GetString(code);
if (!codes.Equals("STRC"))
{
throw new InvalidDataException();
}
dataLen = reader.ReadInt32();
_structs = new Dna.StructDecl[dataLen];
// NU long shtPtr = stream.Position;
for (int i = 0; i < dataLen; i++)
{
Dna.StructDecl structDecl = new Dna.StructDecl();
_structs[i] = structDecl;
if (!BitConverter.IsLittleEndian)
{
throw new NotImplementedException();
}
else
{
short typeNr = reader.ReadInt16();
structDecl.Type = _types[typeNr];
structDecl.Type.Struct = structDecl;
int numElements = reader.ReadInt16();
structDecl.Elements = new Dna.ElementDecl[numElements];
for (int j = 0; j < numElements; j++)
{
typeNr = reader.ReadInt16();
short nameNr = reader.ReadInt16();
structDecl.Elements[j] = new Dna.ElementDecl(_types[typeNr], _names[nameNr]);
}
}
}
reader.Dispose();
stream.Dispose();
// build reverse lookups
_structReverse = new Dictionary <string, Dna.StructDecl>(_structs.Length);
foreach (Dna.StructDecl s in _structs)
{
_structReverse.Add(s.Type.Name, s);
}
}