public static void FillBinaryPointToPointConnections(MutagenFrame frame, IPathGridInternal item)
{
if (!frame.TryReadSubrecord(RecordTypes.DATA, out var subMeta))
{
return;
}
uint ptCount = frame.Reader.ReadUInt16();
if (!frame.Reader.TryReadSubrecord(PGRP, out subMeta))
{
return;
}
var pointDataSpan = frame.Reader.ReadSpan(subMeta.ContentLength);
var bytePointsNum = pointDataSpan.Length / POINT_LEN;
if (bytePointsNum != ptCount)
{
throw new ArgumentException($"Unexpected point byte length, when compared to expected point count. {pointDataSpan.Length} bytes: {bytePointsNum} != {ptCount} points.");
}
bool readPGRR = false;
for (int recAttempt = 0; recAttempt < 2; recAttempt++)
{
if (frame.Reader.Complete)
{
break;
}
subMeta = frame.GetSubrecord();
switch (subMeta.RecordType.TypeInt)
{
case 0x47414750: //"PGAG":
frame.Reader.Position += subMeta.HeaderLength;
if (ByteArrayBinaryTranslation <MutagenFrame, MutagenWriter> .Instance.Parse(
frame.SpawnWithLength(subMeta.ContentLength, checkFraming: false),
item: out var unknownBytes))
{
item.PGAG = unknownBytes;
}
else
{
item.PGAG = default;
}
break;
case 0x52524750: // "PGRR":
frame.Reader.Position += subMeta.HeaderLength;
var connectionInts = frame.Reader.ReadSpan(subMeta.ContentLength).AsInt16Span();
int numPts = pointDataSpan.Length / POINT_LEN;
PathGridPoint[] pathGridPoints = new PathGridPoint[numPts];
for (int i = 0; i < numPts; i++)
{
var pt = ReadPathGridPoint(pointDataSpan, out var numConn);
pt.Connections.AddRange(connectionInts.Slice(0, numConn).ToArray());
pathGridPoints[i] = pt;
pointDataSpan = pointDataSpan.Slice(16);
connectionInts = connectionInts.Slice(numConn);
}
item.PointToPointConnections = pathGridPoints.ToExtendedList();
readPGRR = true;
break;
default:
break;
}
}
if (!readPGRR)
{
ExtendedList <PathGridPoint> list = new ExtendedList <PathGridPoint>();
while (pointDataSpan.Length > 0)
{
list.Add(
ReadPathGridPoint(pointDataSpan, out var numConn));
pointDataSpan = pointDataSpan.Slice(16);
}
item.PointToPointConnections = list;
}
}
public static partial void FillBinaryPointToPointConnectionsCustom(MutagenFrame frame, IPathGridInternal item)
{
FillBinaryPointToPointConnections(frame, item);
}