// Use this for initialization
void Start()
{
agent = BehaviourTreeUtils.LoadBehaviourTree(xmlBehaviourTree);
if (agent == null)
{
Debug.LogError("Unable to parse XML file " + xmlBehaviourTree.name);
}
}
/// <summary>
/// Print all nodes of deserialized xml file on this editor window. Start from root node and it is a recursive call.
/// </summary>
/// <param name="node"></param>
private void PrintNode(Node node)
{
string nameAttribute = "";
if (node.parent == null)
{
nameAttribute = "(Root) ";
}
if (GUI.Button(new Rect(lastPos, defaultSize), nameAttribute + node.GetType().Name, EditorStyles.toolbarButton))
{
GenericMenu toolsMenu = new GenericMenu();
toolsMenu.AddItem(new GUIContent("Delete", "Delete this node and all sub nodes"), false, Delete, node);
foreach (var item in BehaviourTreeUtils.GetEnumerableOfType <Node>())
{
if (BehaviourTreeUtils.IsCondition(item))
{
toolsMenu.AddItem(new GUIContent("Add Child/Conditions/" + item.Name), false, AddChild, new ModifiedItem(item.AssemblyQualifiedName, node));
toolsMenu.AddItem(new GUIContent("Change/Conditions/" + item.Name), false, ChangeNode, new ModifiedItem(item.AssemblyQualifiedName, node));
}
else if (!BehaviourTreeUtils.IsCondition(item))
{
toolsMenu.AddItem(new GUIContent("Add Child/Behaviours/" + item.Name), false, AddChild, new ModifiedItem(item.AssemblyQualifiedName, node));
toolsMenu.AddItem(new GUIContent("Change/Behaviours/" + item.Name), false, ChangeNode, new ModifiedItem(item.AssemblyQualifiedName, node));
}
else
{
toolsMenu.AddItem(new GUIContent("Add Child/Custom/" + item.Name), false, AddChild, new ModifiedItem(item.AssemblyQualifiedName, node));
toolsMenu.AddItem(new GUIContent("Change/Custom/" + item.Name), false, ChangeNode, new ModifiedItem(item.AssemblyQualifiedName, node));
}
}
toolsMenu.DropDown(new Rect(lastPos + new Vector2(30, 0), new Vector2(150, 25)));
}
if (node.GetChildCount() <= 0)
{
return;
}
Tab();
foreach (var n in node.Children)
{
AddLine();
PrintNode(n);
}
LeaveTab();
}
void OnGUI()
{
//reset gui variables
scrollHeight = 0;
scrollWidth = 0;
lastPos = new Vector2(5, 5);
//start code
if (DeserializedNode == null)
{
if (btFile == null)
{
newFileCreatedName = GUI.TextField(new Rect(lastPos, defaultSize + new Vector2(30, 0)), newFileCreatedName);
Tab(200);
if (GUI.Button(new Rect(lastPos, defaultSize + new Vector2(30, 10)), new GUIContent("New Tree")))
{
CreateNewXmlFile();
}
AddLine(80);
Rect pos = new Rect(new Vector2((position.width / 2) - (position.width / 2) / 2, lastPos.y), new Vector2(position.width / 2, position.height * 0.05f));
btFile = EditorGUI.ObjectField(pos, btFile, typeof(UnityEngine.Object), false);
}
if (btFile == null)
{
return;
}
filepath = AssetDatabase.GetAssetPath(btFile);
DeserializedNode = BehaviourTreeUtils.LoadBehaviourTree((TextAsset)btFile);
if (DeserializedNode != null)
{
SetParentToNodes(DeserializedNode);
}
}
if (DeserializedNode == null)
{
GenericMenu toolsMenu = new GenericMenu();
foreach (var item in BehaviourTreeUtils.GetEnumerableOfType <Node>())
{
//node.type = item;
toolsMenu.AddItem(new GUIContent(item.Name), false, CreateRoot, item);
}
toolsMenu.DropDown(new Rect(lastPos + new Vector2(30, 0), new Vector2(150, 25)));
return;
}
scrollPosition = EditorGUILayout.BeginScrollView(scrollPosition, true, true, GUILayout.Width(this.position.width), GUILayout.Height(this.position.height));
GUILayout.BeginHorizontal();
AddLine();
GUILayout.Label(new GUIContent(btFile.name));
if (ModifiedTreeLastFrame)
{
SetParentToNodes(DeserializedNode);
}
PrintNode(DeserializedNode); //printing tree
AddLine(); AddLine();
//utilities buttons
if (GUI.Button(new Rect(lastPos, defaultSize * 2f), new GUIContent("Change Tree (don't save changes)"))) //change tree button
{
btFile = null;
DeserializedNode = null;
}
Tab(defaultSize.x * 2);
if (GUI.Button(new Rect(lastPos, defaultSize * 2f), new GUIContent("Reset Tree (write on file)"))) //reset tree button
{
ResetTree();
}
Tab(defaultSize.x * 2);
if (GUI.Button(new Rect(lastPos, defaultSize * 2f), new GUIContent("Save Tree (write on file)"))) //save tree button
{
Save();
}
GUILayout.Label("", GUILayout.Width(scrollWidth), GUILayout.Height(scrollHeight));
GUILayout.EndHorizontal();
EditorGUILayout.EndScrollView();
}
