public void AddVariable(Type type)
{
Undo.RecordObject(this, "Add variable");
blackboard.AddVariable(type);
EditorUtility.SetDirty(this);
OnBehaviorTreeAltered?.Invoke();
}
public void RemoveVariable <T>(TypedVariable <T> variable)
{
Undo.RecordObject(this, "Remove variable");
blackboard.RemoveVariable(variable);
EditorUtility.SetDirty(this);
OnBehaviorTreeAltered?.Invoke();
}
public Node CreateNode(Type type)
{
Node node = CreateInstance(type) as Node;
node.name = type.Name;
node.guid = GUID.Generate().ToString();
if (type != typeof(RootNode))
{
nodes.Add(node);
}
else
{
//UnityEngine.Debug.Log("Create root node");
root = node as RootNode;
}
EditorUtility.SetDirty(this);
AssetDatabase.SaveAssets();
OnBehaviorTreeAltered?.Invoke();
return(node);
}
public void DeleteNode(Node node)
{
deletedNodes.Add(node);
nodes.Remove(node);
OnBehaviorTreeAltered?.Invoke();
}
public void SaveTo(ref BehaviorTree treeFile)
{
treeFile.root.CopyData(root);
// Go through all of the behavior tree's nodes and add them to the asset if they have not been added yet
foreach (var node in nodes)
{
// Try and find a node with the same GUID in the tree file
int nodeIndex = treeFile.nodes.FindIndex(n => n.guid == node.guid);
if (nodeIndex == -1)
{
// If not present, add it to the tree file
treeFile.nodes.Add(node);
AssetDatabase.AddObjectToAsset(node, treeFile);
}
else
{
// If present, update
treeFile.nodes[nodeIndex].CopyData(node);
}
}
UnityEngine.Object[] nodeAssets = AssetDatabase.LoadAllAssetsAtPath(AssetDatabase.GetAssetPath(treeFile));
for (int i = 0; i < nodeAssets.Length; i++)
{
UnityEngine.Debug.Log("File found: " + nodeAssets[i].name);
if (nodeAssets[i].GetType() == typeof(RootNode))
{
UnityEngine.Debug.Log("Skip root node");
continue;
}
Node nodeAsset = nodeAssets[i] as Node;
if (nodeAsset == null)
{
UnityEngine.Debug.Log("Could not convert to node?");
continue;
}
if (nodes.Exists(node => node.guid == nodeAsset.guid))
{
UnityEngine.Debug.Log(nodeAssets[i] + " found in nodes list. Skipping...");
continue;
}
UnityEngine.Debug.Log(nodeAssets[i].name + " no longer exists.");
AssetDatabase.RemoveObjectFromAsset(nodeAssets[i]);
treeFile.DeleteNode(nodeAsset);
}
// Create a root node if not yet present. Update it if there is
if (string.IsNullOrWhiteSpace(AssetDatabase.GetAssetPath(treeFile.root)))
{
if (treeFile.root != null)
{
AssetDatabase.AddObjectToAsset(treeFile.root, treeFile);
}
else
{
AssetDatabase.AddObjectToAsset(root, treeFile);
}
}
// Match all the nodes with children with the children in the file
// First, the root node
if (root.GetChild() == null)
{
treeFile.root.SetChild(null);
}
else
{
treeFile.root.SetChild(treeFile.nodes.Find(n => n.guid == root.GetChild().guid));
}
// Then every other node
foreach (Node nodeAsset in treeFile.nodes)
{
var multipleChildrenNode = nodeAsset as NodeInterfaces.IMultipleConnection;
if (multipleChildrenNode != null)
{
List <Node> childNodes = multipleChildrenNode.GetChildren();
List <Node> newChildList = new List <Node>();
childNodes = childNodes.OrderBy(x => x.positionOnView.x).ToList();
for (int i = 0; i < childNodes.Count; i++)
{
Node childNode = childNodes[i];
Node childNodeInFile = treeFile.nodes.Find(n => n.guid == childNode.guid);
if (childNodeInFile != null)
{
// Override the node reference
childNode = childNodeInFile;
}
else
{
AssetDatabase.AddObjectToAsset(childNode, treeFile);
}
newChildList.Add(childNode);
}
multipleChildrenNode.SetChildren(newChildList);
continue;
}
var singleChildNode = nodeAsset as NodeInterfaces.ISingleConnection;
if (singleChildNode != null)
{
Node childNode = singleChildNode.GetChild();
if (childNode == null)
{
continue;
}
Node childNodeInFile = treeFile.nodes.Find(n => n.guid == childNode.guid);
if (childNodeInFile != null)
{
// Override the node reference
singleChildNode.SetChild(childNodeInFile);
}
else
{
AssetDatabase.AddObjectToAsset(childNode, treeFile);
}
}
}
AssetDatabase.SaveAssets();
OnBehaviorTreeAltered?.Invoke();
}