public IEnumerable <BehaviourTreeTask> getAllChildren(BehaviourTreeTask parentNode)
{
foreach (BehaviourTreeTask bt in parentNode.NodeChildren)
{
yield return(bt);
}
}
public void OnBeforeSerialize()
{
#if UNITY_EDITOR
if (nodes.Count == 0)
{
Texture2D root = Resources.Load("root") as Texture2D;
BehaviourTreeTask node = CreateInstance <RootTreeTask>();
node.editorTexture = root;
node.taskTypeName = "ROOT";
node.taskType = TaskType.ROOT;
node.name = System.Guid.NewGuid().ToString();
Rect oldRect = node.NodeRect;
node.NodeRect = new Rect(100, 100, oldRect.width, oldRect.height);
AddNode(node);
}
if (AssetDatabase.GetAssetPath(this) != "")
{
foreach (BehaviourTreeTask n in nodes)
{
if (AssetDatabase.GetAssetPath(n) == "")
{
AssetDatabase.AddObjectToAsset(n, this);
}
}
}
#endif
}
/// <summary>
/// add empty child for selected node
/// </summary>
/// <param name="createNode"></param>
public void createNode(BehaviourTreeTask parent, Vector2 createAt)
{
BehaviourTreeTask newNode = MakeNode(parent, createAt);
Undo.RegisterCreatedObjectUndo(newNode, "Undo Create Node");
Undo.RecordObject(this, "Add new node");
AddNode(newNode);
}
public BehaviourTreeTask createNodeOfType(Type t, BehaviourTreeTask parent, Vector2 createAt)
{
BehaviourTreeTask newNode = MakeNodeOfType(t, parent, createAt);
newNode.name = System.Guid.NewGuid().ToString();
Rect oldRect = newNode.NodeRect;
newNode.NodeRect = new Rect(createAt.x, createAt.y, oldRect.width, oldRect.height);
Undo.RegisterCreatedObjectUndo(newNode, "Undo Create Node");
Undo.RecordObject(this, "Add new node");
AddNode(newNode);
return(newNode);
}
public void createExternalNode(BehaviourTreeTask newNode, BehaviourTreeTask parent, Vector2 createAt)
{
newNode.name = System.Guid.NewGuid().ToString();
Rect oldRect = newNode.NodeRect;
newNode.NodeRect = new Rect(createAt.x, createAt.y, oldRect.width, oldRect.height);
if (parent != null)
{
parent.addNewChild(newNode);
}
Undo.RegisterCreatedObjectUndo(newNode, "Undo Create Node");
Undo.RecordObject(this, "Add new node");
AddNode(newNode);
}
//Change parent of parentFor for a newParent, clear all old connections
public static bool Reparent(BehaviourTreeTask newParent, BehaviourTreeTask parentFor)
{
if (newParent.taskType == TaskType.DECORATOR)
{
if (((DecoratorTreeTask)newParent).OnlySingleChildAllowed == true && newParent.children.Count > 0)
{
//cant add another child when flag only one children is enabled
return(false);
}
}
parentFor.parent.removeChildConnection(parentFor);
parentFor.parent = newParent;
newParent.addNewChild(parentFor);
return(true);
}
private static BehaviourTreeTask MakeNodeOfType(Type t, BehaviourTreeTask parent, Vector2 createAt)
{
BehaviourTreeTask newNode = CreateInstance(t.Name) as BehaviourTreeTask;
newNode.name = System.Guid.NewGuid().ToString();
Rect oldRect = newNode.NodeRect;
newNode.NodeRect = new Rect(createAt.x, createAt.y, oldRect.width, oldRect.height);
if (parent != null)
{
parent.addNewChild(newNode);
}
return(newNode);
}
/// <summary>
/// remove node and all his connections
/// </summary>
/// <param name="node"></param>
public void removeNode(BehaviourTreeTask node)
{
List <BehaviourTreeTask> childrenTemp = new List <BehaviourTreeTask>(node.children);
foreach (BehaviourTreeTask t in childrenTemp)
{
removeNode(t);
}
nodes.Remove(node);
//remove all connections
foreach (BehaviourTreeTask n in nodes)
{
n.removeChildConnection(node);
}
OnValidate();
Undo.DestroyObjectImmediate(node);
}
///node may have 0 children
public bool hasAnyChildren(BehaviourTreeTask forNode)
{
return(forNode.NodeChildren.Count > 0 ? true : false);
}
private void AddNode(BehaviourTreeTask newNode)
{
nodes.Add(newNode);
newNode.treeOwner = this;
OnValidate();
}