/// <summary>
/// Save type data as NodeTypeData scriptable object in resources folder
/// </summary>
public void SaveTypeData()
{
NodeTypeData typeData = ScriptableObject.CreateInstance <NodeTypeData>();
if (!AssetDatabase.IsValidFolder("Assets/BehaviourTrees"))
{
AssetDatabase.CreateFolder("Assets", "BehaviourTrees");
}
if (!AssetDatabase.IsValidFolder("Assets/BehaviourTrees/Resources"))
{
AssetDatabase.CreateFolder("Assets/BehaviourTrees", "Resources");
}
if (!File.Exists("Assets/BehaviourTrees/Resources/TypeData.asset"))
{
AssetDatabase.CreateAsset(typeData, $"Assets/BehaviourTrees/Resources/TypeData.asset");
AssetDatabase.SaveAssets();
}
}
/// <summary>
/// Loads type data object from resources folder and populates with AddNodeMenu attribute data
/// </summary>
public void LoadTypeData()
{
Debug.Log("loading typedata");
typeData = Resources.Load("TypeData") as NodeTypeData;
if (typeData == null)
{
EditorUtility.DisplayDialog("No typedata object found", "The type data object could not be found in the resources folder", "ok");
return;
}
typeData.pathData = new Tree <NodeTypeData.NodePathData>(new NodeTypeData.NodePathData());
Tree <NodeTypeData.NodePathData> currentNode;
foreach (Type type in typeof(AbstractNode).Assembly.GetTypes().Where(type => type.IsSubclassOf(typeof(AbstractNode)))) // Load all subclasses of abstractnode from assembly
{
object[] attributes = type.GetCustomAttributes(typeof(AddNodeMenu), false); // Get attributes from subclass
if (attributes.Length > 0)
{
AddNodeMenu attribute = attributes[0] as AddNodeMenu;
// Push path and nodename into queue to be added to typedata tree
Queue <string> pathQueue = new Queue <string>(attribute.menuPath.Split('/'));
pathQueue.Enqueue(attribute.nodeName);
// Get name and nodetype from attribute
string nodeName = attribute.nodeName;
NodeTypes nodeType;
// Set nodetype depending on class inheritence of the attributed class
if (type.IsSubclassOf(typeof(Action)))
{
nodeType = NodeTypes.Action;
}
else if (type.IsSubclassOf(typeof(Composite)))
{
nodeType = NodeTypes.Composite;
}
else
{
nodeType = NodeTypes.Decorator;
}
currentNode = typeData.pathData;
while (pathQueue.Count > 0) // Loop until queue is empty
{
string currentFolderName = pathQueue.Dequeue(); // Get name of folder to be added
bool folderExists = false;
// If current node has no children it is a behaviour
for (int i = 0; i < currentNode.ChildCount; i++)
{
if (currentNode.GetChild(i).GetValue().pathName == currentFolderName)
{
currentNode = currentNode.GetChild(i);
folderExists = true;
break;
}
}
if (pathQueue.Count == 0) // if this was the last path destination, give it node data
{
currentNode.AddChild(new Tree <NodeTypeData.NodePathData>(
new NodeTypeData.NodePathData {
pathName = currentFolderName, nodeName = nodeName, nodeType = nodeType
}, currentNode));
}
else if (!folderExists) // if the existing path was not found, (and this is not the last path destination) create a new folder
{
currentNode = currentNode.AddChild(new Tree <NodeTypeData.NodePathData>(new NodeTypeData.NodePathData {
pathName = currentFolderName
}));
}
}
}
}
}