public int Read(out FieldValue[] values)
{
List <FieldValue> list = new List <FieldValue>();
int localOffset = 0;
foreach (StructField field in _fields)
{
FieldValue value;
// Perform alignment.
localOffset = Offset.Increment(localOffset).Align(field.Alignment).Decrement(Offset).ToInt32();
// Resolve pointer, if needed.
if (field.IsPointer)
{
IntPtr pointingTo = IOProvider.ReadBytes(Offset.Increment(localOffset), IntPtr.Size).ToIntPtr();
localOffset += IntPtr.Size;
if (pointingTo == IntPtr.Zero)
{
value = new FieldValue()
{
Name = field.Name, FieldType = field.RawType, Value = null
}
}
;
else
{
Read(field, pointingTo, out value);
}
value.PointerValue = pointingTo;
}
else
{
localOffset += Read(field, Offset.Increment(localOffset), out value);
}
if (field.SetsVarOn != null)
{
_fieldsByName[field.SetsVarOn].VarLength =
field.SetsVarOnAdd + (int)(int.Parse(value.Value.ToString()) * (decimal)field.SetsVarOnMultiply);
_fieldsByName[field.SetsVarOn].VarArrayLength =
field.SetsVarOnAdd + (int)(int.Parse(value.Value.ToString()) * (decimal)field.SetsVarOnMultiply);
}
list.Add(value);
}
values = list.ToArray();
return(localOffset);
}
public int Read(out FieldValue[] values)
{
List <FieldValue> list = new List <FieldValue>();
int localOffset = 0;
foreach (StructField field in _fields)
{
FieldValue value;
// resolve pointer
if (field.IsPointer)
{
int pointingTo = Utils.ToInt32(IOProvider.ReadBytes(Offset.Increment(localOffset), 4), Utils.Endianness.Little);
localOffset += 4;
if (pointingTo == 0)
{
value = new FieldValue()
{
Name = field.Name, FieldType = field.RawType, Value = null
}
}
;
else
{
Read(field, new IntPtr(pointingTo), out value);
}
value.PointerValue = pointingTo;
}
else
{
localOffset += Read(field, Offset.Increment(localOffset), out value);
}
if (field.SetsVarOn != null)
{
_fieldsByName[field.SetsVarOn].VarLength =
field.SetsVarOnAdd + (int)(int.Parse(value.Value.ToString()) * (decimal)field.SetsVarOnMultiply);
_fieldsByName[field.SetsVarOn].VarArrayLength =
field.SetsVarOnAdd + (int)(int.Parse(value.Value.ToString()) * (decimal)field.SetsVarOnMultiply);
}
list.Add(value);
}
values = list.ToArray();
return(localOffset);
}
private unsafe int ReadOnce(StructField field, IntPtr offset, out FieldValue valueOut)
{
FieldValue value = new FieldValue()
{
FieldType = field.Type, Name = field.Name
};
int readSize = 0;
switch (field.Type)
{
case FieldType.Bool32:
value.Value = Utils.ToInt32(IOProvider.ReadBytes(offset, 4),
Utils.Endianness.Little) != 0;
readSize = 4;
break;
case FieldType.Bool8:
value.Value = IOProvider.ReadBytes(offset, 1)[0] != 0;
readSize = 1;
break;
case FieldType.CharASCII:
value.Value = (char)IOProvider.ReadBytes(offset, 1)[0];
readSize = 1;
break;
case FieldType.CharUTF16:
value.Value = Encoding.Unicode.GetString(IOProvider.ReadBytes(offset, 2))[0];
readSize = 2;
break;
case FieldType.Double:
{
long data = Utils.ToInt64(
IOProvider.ReadBytes(offset, 8), Utils.Endianness.Little);
value.Value = *(double *)&data;
readSize = 8;
}
break;
case FieldType.Int16:
value.Value = (short)Utils.ToUInt16(
IOProvider.ReadBytes(offset, 2), Utils.Endianness.Little);
readSize = 2;
break;
case FieldType.Int32:
value.Value = Utils.ToInt32(
IOProvider.ReadBytes(offset, 4), Utils.Endianness.Little);
readSize = 4;
break;
case FieldType.Int64:
value.Value = Utils.ToInt64(
IOProvider.ReadBytes(offset, 8), Utils.Endianness.Little);
readSize = 8;
break;
case FieldType.Int8:
value.Value = (sbyte)IOProvider.ReadBytes(offset, 1)[0];
readSize = 1;
break;
case FieldType.PVoid:
value.Value = IOProvider.ReadBytes(offset, IntPtr.Size).ToIntPtr();
readSize = IntPtr.Size;
break;
case FieldType.Single:
{
int data = Utils.ToInt32(
IOProvider.ReadBytes(offset, 4), Utils.Endianness.Little);
value.Value = *(float *)&data;
readSize = 4;
}
break;
case FieldType.StringASCII:
{
StringBuilder str = new StringBuilder();
if (field.VarLength == -1)
{
int i;
for (i = 0; ; i++)
{
byte b = IOProvider.ReadBytes(offset.Increment(i), 1)[0];
if (b == 0)
{
break;
}
str.Append((char)b);
}
readSize = i;
}
else
{
str.Append(Encoding.ASCII.GetString(
IOProvider.ReadBytes(offset, field.VarLength)));
readSize = field.VarLength;
}
value.Value = str.ToString();
}
break;
case FieldType.StringUTF16:
{
StringBuilder str = new StringBuilder();
if (field.VarLength == -1)
{
int i;
for (i = 0; ; i += 2)
{
byte[] b = IOProvider.ReadBytes(offset.Increment(i), 2);
if (Utils.IsEmpty(b))
{
break;
}
str.Append(Encoding.Unicode.GetString(b));
}
readSize = i;
}
else
{
str.Append(Encoding.Unicode.GetString(
IOProvider.ReadBytes(offset, field.VarLength * 2))); // each char is 2 bytes
readSize = field.VarLength;
}
value.Value = str.ToString();
}
break;
case FieldType.Struct:
{
FieldValue[] valuesOut;
StructDef struc = Structs[field.StructName];
struc.IOProvider = this.IOProvider;
struc.Offset = offset;
struc.Structs = this.Structs;
readSize = struc.Read(out valuesOut);
value.Value = valuesOut;
value.StructName = field.StructName;
}
break;
case FieldType.UInt16:
value.Value = Utils.ToUInt16(
IOProvider.ReadBytes(offset, 2), Utils.Endianness.Little);
readSize = 2;
break;
case FieldType.UInt32:
value.Value = Utils.ToUInt32(
IOProvider.ReadBytes(offset, 4), Utils.Endianness.Little);
readSize = 4;
break;
case FieldType.UInt64:
value.Value = (ulong)Utils.ToInt64(
IOProvider.ReadBytes(offset, 8), Utils.Endianness.Little);
readSize = 8;
break;
case FieldType.UInt8:
value.Value = IOProvider.ReadBytes(offset, 1)[0];
readSize = 1;
break;
default:
readSize = 0;
break;
}
valueOut = value;
return(readSize);
}
