/// <summary>Unsets the root node of the behavior tree if the given node matches the root.</summary>
public void UnsetRoot(BTBranchNode node)
{
// Only unset when the state passed is the same as the current one.
if (node == root)
{
root = null;
}
}
/// <summary>Sets the root node of the behavior tree.</summary>
public void SetRoot(BTBranchNode node)
{
// Unset previous root.
if (root != null)
{
root.IsRoot = false;
}
// Set new root.
root = node;
}
/// <summary>Draw node's body GUI.</summary>
public override void OnBodyGUI()
{
base.OnBodyGUI();
_branch = target as BTBranchNode;
// Show parent port only if node is not root.
if (!_branch.IsRoot)
{
GUILayout.BeginHorizontal();
NodePort port = _branch.GetInputPort("_parent");
NodeEditorGUILayout.PortField(port, GUILayout.Width(60));
GUILayout.EndHorizontal();
}
}
