/// <summary>
/// Creates and returns the <see cref="BehaviourTree"/> corresponding to this <see cref="XMLElement"/>
/// </summary>
/// <param name="parent"></param>
/// <param name="selectedNode"></param>
/// <returns></returns>
public BehaviourTree ToBehaviourTree(ClickableElement parent, BaseNode selectedNode = null)
{
BehaviourTree bt = ScriptableObject.CreateInstance <BehaviourTree>();
bt.InitBehaviourTreeFromXML(parent, this.windowPosX, this.windowPosY, this.Id, this.name);
foreach (XMLElement node in this.nodes)
{
switch (node.elemType)
{
case nameof(FSM):
node.ToFSM(bt, null);
break;
case nameof(BehaviourTree):
node.ToBehaviourTree(bt, null);
break;
case nameof(UtilitySystem):
node.ToUtilitySystem(bt, null);
break;
case nameof(BehaviourNode):
node.ToBehaviourNode(null, bt, parent);
break;
default:
Debug.LogError("Wrong content in saved data");
break;
}
}
foreach (XMLElement trans in this.transitions)
{
BaseNode node1 = bt.nodes.Where(n => n.identificator == trans.fromId || n.subElem?.identificator == trans.fromId).FirstOrDefault();
BaseNode node2 = bt.nodes.Where(n => n.identificator == trans.toId || n.subElem?.identificator == trans.toId).FirstOrDefault();
if (node1 != null && node2 != null)
{
bt.transitions.Add(trans.ToTransitionGUI(bt, node1, node2));
}
}
if (parent)
{
switch (parent.GetType().ToString())
{
case nameof(FSM):
StateNode state = ScriptableObject.CreateInstance <StateNode>();
state.InitStateNodeFromXML(parent, stateType.Unconnected, bt.windowRect.position.x, bt.windowRect.position.y, this.Id, this.name, bt);
if (this.secondType.Equals(stateType.Entry.ToString()))
{
((FSM)parent).AddEntryState(state);
}
else
{
parent.nodes.Add(state);
}
break;
case nameof(BehaviourTree):
BehaviourNode node = ScriptableObject.CreateInstance <BehaviourNode>();
node.InitBehaviourNode(parent, behaviourType.Leaf, bt.windowRect.x, bt.windowRect.y, bt);
parent.nodes.Add(node);
if (selectedNode != null)
{
TransitionGUI transition = ScriptableObject.CreateInstance <TransitionGUI>();
transition.InitTransitionGUI(parent, selectedNode, node);
parent.transitions.Add(transition);
selectedNode = node;
}
break;
case nameof(UtilitySystem):
UtilityNode utilNode = ScriptableObject.CreateInstance <UtilityNode>();
utilNode.InitUtilityNode(parent, utilityType.Action, bt.windowRect.position.x, bt.windowRect.position.y, bt);
parent.nodes.Add(utilNode);
break;
}
}
return(bt);
}