private Compound FromStream()
{
var compoundID = _r.ReadUInt32();
// write compoundType
var compoundType = CompoundSpec <TEngine> .GetTypeByID(_r.ReadUInt32());
var spec = CompoundSpec <TEngine> .GetSpec(compoundType);
if (_r.ReadUInt16() != spec.Length)
{
throw new Exception();
}
_s.Seek(spec.Length * sizeof(long), SeekOrigin.Current);
var compoundElements = new CompoundItem[spec.Length][];
for (int specIndex = 0; specIndex < spec.Length; specIndex++)
{
var elementSpec = ElementSpec <TEngine> .GetSpec(spec.Types[specIndex]);
var sizeOfElement = ElementSpec <TEngine> .SizeOfElement;
var stateSizeInBytes = elementSpec.StateSizeInBytes;
if (_r.ReadUInt32() != elementSpec.TotalSizeInBytes)
{
throw new Exception();
}
var elementLength = _r.ReadUInt32();
var elements = new CompoundItem[elementLength];
for (int elementIndex = 0; elementIndex < elementLength; elementIndex++)
{
elements[elementIndex].ID = _r.ReadUInt32();
_s.Seek(sizeOfElement, SeekOrigin.Current);
var remainingPitch = (long)stateSizeInBytes;
var dataSizeInBytes = elementSpec.DataSizeInBytes;
if (dataSizeInBytes > 0)
{
elements[elementIndex].Data = _r.ReadBytes(dataSizeInBytes);
remainingPitch -= dataSizeInBytes;
}
if (remainingPitch < 0)
{
throw new OverflowException("Data larger then StateSize");
}
if (remainingPitch > 0)
{
_s.Seek(remainingPitch, SeekOrigin.Current);
}
}
compoundElements[specIndex] = elements;
}
return(new Compound
{
ID = compoundID,
Elements = compoundElements,
Type = compoundType,
});
}
private void ToStream(Compound compound, Dictionary <uint, CompoundInfo> localCompounds, Dictionary <ElementSpec <TEngine>, List <ulong> > localEverys)
{
_w.Write(compound.ID);
// write compoundType
var spec = CompoundSpec <TEngine> .GetSpec(compound.Type);
_w.Write(spec.TypeID);
_w.Write(spec.Length); // #arrayLength
var compoundAddress = (ulong)_s.Position;
localCompounds.Add(compound.ID, new CompoundInfo {
Address = compoundAddress, Compound = compound
});
var specSIndexs = new long[spec.Length];
var specArraySIndex = _s.Position;
_s.Seek(spec.Length * sizeof(ulong), SeekOrigin.Current);
for (int specIndex = 0; specIndex < spec.Length; specIndex++)
{
var elementSpec = ElementSpec <TEngine> .GetSpec(spec.Types[specIndex]);
var sizeOfElement = ElementSpec <TEngine> .SizeOfElement;
var stateSizeInBytes = elementSpec.StateSizeInBytes;
GetElementTypeHead(elementSpec.TypeID);
//
var elements = compound.Elements[specIndex];
_w.Write(elementSpec.TotalSizeInBytes); // #arrayPitch
_w.Write((uint)elements.Length); // #arrayLength
specSIndexs[specIndex] = _s.Position;
foreach (var element in elements)
{
_w.Write(element.ID);
var elementAddress = (ulong)_s.Position;
// check for schedule-everys
if (elementSpec.ScheduleStyleEvery)
{
List <ulong> everyAddresses;
if (!localEverys.TryGetValue(elementSpec, out everyAddresses))
{
localEverys.Add(elementSpec, everyAddresses = new List <ulong>());
}
everyAddresses.Add(elementAddress);
}
_s.Seek(sizeOfElement, SeekOrigin.Current);
var remainingPitch = (long)stateSizeInBytes;
var dataSizeInBytes = elementSpec.DataSizeInBytes;
if (dataSizeInBytes > 0)
{
var data = element.Data;
if (data != null)
{
_w.Write(data);
remainingPitch -= data.Length;
}
}
if (remainingPitch < 0)
{
throw new OverflowException("Data larger then StateSize");
}
if (remainingPitch > 0)
{
_s.Seek(remainingPitch, SeekOrigin.Current);
}
}
}
// replace specSIndex
var lastSIndex = _s.Position;
_s.Seek(specArraySIndex, SeekOrigin.Begin);
foreach (var specSIndex in specSIndexs)
{
_adjustSIndexs.Add(_s.Position);
_w.Write((ulong)specSIndex);
}
_s.Position = lastSIndex;
}