public static SceneTree LoadFromJson(string jsonFile)
{
SceneTree localTree = new SceneTree();
JsonDocument jdoc = JsonDocument.Parse(jsonFile);
JsonElement jdocRoot = jdoc.RootElement;
ulong?highestId = null;
if (jdocRoot.TryGetProperty("HighestUuid", out JsonElement newHighestProperty) &&
newHighestProperty.TryGetUInt64(out ulong newHighestUuid))
{
highestId = newHighestUuid;
}
Queue <ulong> newFreeds = new Queue <ulong>();
if (jdocRoot.TryGetProperty("FreeUuids", out JsonElement newFreedUuidsProperty) &&
newFreedUuidsProperty.GetArrayLength() > 0)
{
foreach (JsonElement freedProp in newFreedUuidsProperty.EnumerateArray())
{
newFreeds.Enqueue(freedProp.GetUInt64());
}
}
localTree.uuidManager = new UuidManager(highestId, newFreeds);
if (jdocRoot.TryGetProperty("Nodes", out JsonElement nodesProperty))
{
foreach (JsonElement element in nodesProperty.EnumerateArray())
{
LoadNodeJson(localTree, element);
}
}
foreach (SceneNode node in localTree.allNodes.Values)
{
if (node == localTree.root)
{
continue;
}
if (!localTree.allNodes.ContainsKey(node.parent))
{
Log.WriteError("Could not parent SceneNode, parent id not found in tree, removing node.");
localTree.FreeNode(node.uuid);
continue;
}
SceneNode parent = localTree.allNodes[node.parent];
parent.children.Add(node.uuid);
}
return(localTree);
}
public void Free()
{
tree.FreeNode(uuid);
}
