/// <summary>
/// Spawns the node.
/// </summary>
/// <param name="groupArchetype">The group archetype.</param>
/// <param name="nodeArchetype">The node archetype.</param>
/// <param name="location">The location.</param>
/// <param name="customValues">The custom values array. Must match node archetype <see cref="NodeArchetype.DefaultValues"/> size. Pass null to use default values.</param>
/// <param name="beforeSpawned">The custom callback action to call after node creation but just before invoking spawn event. Can be used to initialize custom node data.</param>
/// <returns>Created node.</returns>
public SurfaceNode SpawnNode(GroupArchetype groupArchetype, NodeArchetype nodeArchetype, Float2 location, object[] customValues = null, Action <SurfaceNode> beforeSpawned = null)
{
if (groupArchetype == null || nodeArchetype == null)
{
throw new ArgumentNullException();
}
// Check if cannot use that node in this surface type (ignore NoSpawnViaGUI)
var flags = nodeArchetype.Flags;
nodeArchetype.Flags &= ~NodeFlags.NoSpawnViaGUI;
nodeArchetype.Flags &= ~NodeFlags.NoSpawnViaPaste;
if (_surface != null && !_surface.CanUseNodeType(nodeArchetype))
{
nodeArchetype.Flags = flags;
Editor.LogWarning("Cannot spawn given node type. Title: " + nodeArchetype.Title);
return(null);
}
nodeArchetype.Flags = flags;
var id = GetFreeNodeID();
// Create node
var node = NodeFactory.CreateNode(id, this, groupArchetype, nodeArchetype);
if (node == null)
{
Editor.LogWarning("Failed to create node.");
return(null);
}
Nodes.Add(node);
// Initialize
if (customValues != null)
{
if (node.Values != null && node.Values.Length == customValues.Length)
{
Array.Copy(customValues, node.Values, customValues.Length);
}
else
{
throw new InvalidOperationException("Invalid node custom values.");
}
}
node.Location = location;
OnControlLoaded(node);
beforeSpawned?.Invoke(node);
node.OnSurfaceLoaded();
OnControlSpawned(node);
// Undo action
if (Surface != null && Surface.Undo != null)
{
Surface.Undo.AddAction(new AddRemoveNodeAction(node, true));
}
MarkAsModified();
return(node);
}
