public static unsafe FbxObject Parse(Stream stream)
{
if (stream is null)
{
throw new ArgumentNullException(nameof(stream));
}
var reader = new Reader(stream);
ParseHeader(reader, out var version);
UnsafeRawList <FbxNode_> nodes = default;
try {
while (true)
{
if (!ParseNodeRecord(reader, version, out var node))
{
break;
}
nodes.Add(node);
}
return(new FbxObject(nodes));
}
catch {
nodes.Dispose();
throw;
}
}
public FbxConnectionResolver(FbxNode connectionsNode)
{
var count = connectionsNode.Children.Count;
var destLists = new UnsafeRawList <UnsafeRawList <long> >(count);
var srcToDest = new BufferPooledDictionary <long, int>(count);
var destToSrc = new BufferPooledDictionary <long, int>(count);
var srcLists = new UnsafeRawList <UnsafeRawList <long> >(count);
try {
foreach (var c in connectionsNode.Children)
{
var props = c.Properties;
var conn = new Connection(props[0].AsString().ToConnectionType(), props[1].AsInt64(), props[2].AsInt64());
// Create source-to-dest dictionary
{
UnsafeRawList <long> dests;
if (srcToDest.TryAdd(conn.SourceID, destLists.Count))
{
dests = new UnsafeRawList <long>();
destLists.Add(dests);
}
else
{
dests = destLists[srcToDest[conn.SourceID]];
}
Debug.Assert(dests.IsNull == false);
dests.Add(conn.DestID);
}
// Create dest-to-source dictionary
{
UnsafeRawList <long> sources;
if (destToSrc.TryAdd(conn.DestID, srcLists.Count))
{
sources = new UnsafeRawList <long>();
srcLists.Add(sources);
}
else
{
sources = srcLists[destToSrc[conn.DestID]];
}
Debug.Assert(sources.IsNull == false);
sources.Add(conn.SourceID);
}
}
}
catch {
destLists.Dispose();
srcToDest.Dispose();
destToSrc.Dispose();
srcLists.Dispose();
throw;
}
_destLists = destLists;
_srcToDest = srcToDest;
_destToSrc = destToSrc;
_srcLists = srcLists;
}
public void Add()
{
using (var list = new UnsafeRawList <int>()) {
const int Count = 10;
for (int i = 0; i < Count; i++)
{
list.Add(i);
}
for (int i = 0; i < list.Count; i++)
{
Assert.Equal(i, list[i]);
}
}
ReadOnlySpan <int> source = Enumerable.Range(0, 100).ToArray();
using (var list = new UnsafeRawList <int>(source)) {
list.AddRange(source);
Assert.True(list.AsSpan(0, source.Length).SequenceEqual(source));
Assert.True(list.AsSpan(source.Length, source.Length).SequenceEqual(source));
}
}