/// <summary>
/// Deserializes file data from a stream.
/// </summary>
protected override void Read(BinaryReaderEx br)
{
br.Position = 0x2C;
br.BigEndian = BigEndian = br.AssertByte(0, 0xFF) == 0xFF;
Format2D = (FormatFlags1)br.ReadByte();
Format2E = (FormatFlags2)br.ReadByte();
ParamdefFormatVersion = br.ReadByte();
br.Position = 0;
// Make a private copy of the file to read row data from later
byte[] copy = br.GetBytes(0, (int)br.Stream.Length);
RowReader = new BinaryReaderEx(BigEndian, copy);
// The strings offset in the header is highly unreliable; only use it as a last resort
long actualStringsOffset = 0;
long stringsOffset = br.ReadUInt32();
if (Format2D.HasFlag(FormatFlags1.Flag01) && Format2D.HasFlag(FormatFlags1.IntDataOffset) || Format2D.HasFlag(FormatFlags1.LongDataOffset))
{
br.AssertInt16(0);
}
else
{
br.ReadUInt16(); // Data start
}
Unk06 = br.ReadInt16();
ParamdefDataVersion = br.ReadInt16();
ushort rowCount = br.ReadUInt16();
if (Format2D.HasFlag(FormatFlags1.OffsetParamType))
{
br.AssertInt32(0);
long paramTypeOffset = br.ReadInt64();
br.AssertPattern(0x14, 0x00);
ParamType = br.GetASCII(paramTypeOffset);
actualStringsOffset = paramTypeOffset;
}
else
{
ParamType = br.ReadFixStr(0x20);
}
br.Skip(4); // Format
if (Format2D.HasFlag(FormatFlags1.Flag01) && Format2D.HasFlag(FormatFlags1.IntDataOffset))
{
br.ReadInt32(); // Data start
br.AssertInt32(0);
br.AssertInt32(0);
br.AssertInt32(0);
}
else if (Format2D.HasFlag(FormatFlags1.LongDataOffset))
{
br.ReadInt64(); // Data start
br.AssertInt64(0);
}
Rows = new List <Row>(rowCount);
for (int i = 0; i < rowCount; i++)
{
Rows.Add(new Row(br, this, ref actualStringsOffset));
}
if (Rows.Count > 1)
{
DetectedSize = Rows[1].DataOffset - Rows[0].DataOffset;
}
else if (Rows.Count == 1)
{
DetectedSize = (actualStringsOffset == 0 ? stringsOffset : actualStringsOffset) - Rows[0].DataOffset;
}
else
{
DetectedSize = -1;
}
}
/// <summary>
/// Serializes file data to a stream.
/// </summary>
protected override void Write(BinaryWriterEx bw)
{
if (AppliedParamdef == null)
{
throw new InvalidOperationException("Params cannot be written without applying a paramdef.");
}
bw.BigEndian = BigEndian;
bw.ReserveUInt32("StringsOffset");
if (Format2D.HasFlag(FormatFlags1.Flag01) && Format2D.HasFlag(FormatFlags1.IntDataOffset) || Format2D.HasFlag(FormatFlags1.LongDataOffset))
{
bw.WriteInt16(0);
}
else
{
bw.ReserveUInt16("DataStart");
}
bw.WriteInt16(Unk06);
bw.WriteInt16(ParamdefDataVersion);
bw.WriteUInt16((ushort)Rows.Count);
if (Format2D.HasFlag(FormatFlags1.OffsetParamType))
{
bw.WriteInt32(0);
bw.ReserveInt64("ParamTypeOffset");
bw.WritePattern(0x14, 0x00);
}
else
{
// This padding heuristic isn't completely accurate, not that it matters
bw.WriteFixStr(ParamType, 0x20, (byte)(Format2D.HasFlag(FormatFlags1.Flag01) ? 0x20 : 0x00));
}
bw.WriteByte((byte)(BigEndian ? 0xFF : 0x00));
bw.WriteByte((byte)Format2D);
bw.WriteByte((byte)Format2E);
bw.WriteByte(ParamdefFormatVersion);
if (Format2D.HasFlag(FormatFlags1.Flag01) && Format2D.HasFlag(FormatFlags1.IntDataOffset))
{
bw.ReserveUInt32("DataStart");
bw.WriteInt32(0);
bw.WriteInt32(0);
bw.WriteInt32(0);
}
else if (Format2D.HasFlag(FormatFlags1.LongDataOffset))
{
bw.ReserveInt64("DataStart");
bw.WriteInt64(0);
}
for (int i = 0; i < Rows.Count; i++)
{
Rows[i].WriteHeader(bw, this, i);
}
// This is probably pretty stupid
if (Format2D == FormatFlags1.Flag01)
{
bw.WritePattern(0x20, 0x00);
}
if (Format2D.HasFlag(FormatFlags1.Flag01) && Format2D.HasFlag(FormatFlags1.IntDataOffset))
{
bw.FillUInt32("DataStart", (uint)bw.Position);
}
else if (Format2D.HasFlag(FormatFlags1.LongDataOffset))
{
bw.FillInt64("DataStart", bw.Position);
}
else
{
bw.FillUInt16("DataStart", (ushort)bw.Position);
}
for (int i = 0; i < Rows.Count; i++)
{
Rows[i].WriteCells(bw, this, i);
}
bw.FillUInt32("StringsOffset", (uint)bw.Position);
if (Format2D.HasFlag(FormatFlags1.OffsetParamType))
{
bw.FillInt64("ParamTypeOffset", bw.Position);
bw.WriteASCII(ParamType, true);
}
for (int i = 0; i < Rows.Count; i++)
{
Rows[i].WriteName(bw, this, i);
}
// DeS and BB sometimes (but not always) include some useless padding here
}