/// <summary>
/// Returns the behavior which is associated with a tree node.
/// </summary>
/// <param name="nodetag">The NodeTag of the tree node.</param>
/// <param name="label">The label of the tree node.</param>
/// <returns>Returns null if no matching behavior could be found or loaded.</returns>
internal BehaviorNode GetBehavior(NodeTag nodetag, string label)
{
BehaviorNode behavior = LoadBehavior(nodetag.Filename);
if (behavior != null)
return behavior;
MessageBox.Show(string.Format(Resources.NoBehaviorInfo, label, nodetag.Filename), Resources.FileError, MessageBoxButtons.OK);
return null;
}
/// <summary>
/// Attaches a dragged node from the node explorer to an existing node.
/// </summary>
/// <param name="nvd">The node the new node will be attached to.</param>
/// <param name="mode">The way the new node will be attached.</param>
/// <param name="nodetag">The tag of the you want to create.</param>
/// <param name="label">The label of the new node.</param>
private void InsertNewNode(NodeViewData nvd, NodeAttachMode mode, NodeTag nodetag, PointF mousePos) {
if (nodetag.Type != NodeTagType.Behavior && nodetag.Type != NodeTagType.Prefab && nodetag.Type != NodeTagType.Node) {
throw new Exception("Only behaviours, prefabs and nodes can be attached to a behaviour tree");
}
Node newnode = null;
bool isPrefabInstance = false;
// when we attach a behaviour we must create a special referenced behaviour node
if (nodetag.Type == NodeTagType.Behavior || nodetag.Type == NodeTagType.Prefab) {
if (!File.Exists(nodetag.Filename)) {
if (!SaveBehavior(nodetag.Filename)) {
return;
}
}
// get the behavior we want to reference
BehaviorNode behavior = _behaviorTreeList.LoadBehavior(nodetag.Filename);
// a behaviour reference itself
if (nvd != null && nvd.IsBehaviorReferenced(behavior)) {
if (DialogResult.Cancel == MessageBox.Show(Resources.CircularReferencedInfo, Resources.Warning, MessageBoxButtons.OKCancel, MessageBoxIcon.Warning)) {
return;
}
}
if (nodetag.Type == NodeTagType.Prefab) {
behavior = (BehaviorNode)behavior.Clone();
}
Behavior rootB = _rootNodeView.RootBehavior as Behavior;
Behavior b = behavior as Behavior;
if (rootB.AgentType == null) {
rootB.AgentType = b.AgentType;
} else if (!IsCompatibleAgentType(rootB, b)) {
return;
}
// behavior
if (nodetag.Type == NodeTagType.Behavior) {
// create the referenced behaviour node for the behaviour
ReferencedBehavior refnode = Node.CreateReferencedBehaviorNode(_rootNodeView.RootBehavior, behavior, mode == NodeAttachMode.None || ((Node)this.RootNode).IsFSM);
newnode = (Node)refnode;
//the comment seems too long to overlap the node
//newnode.CommentText = Resources.ThisIsReferenceTree;
newnode.CommentBackground = Node.CommentColor.Gray;
}
// prefab
else {
// Copy all Pars from the prefab file into the current behavior node.
List<ParInfo> pars = new List<ParInfo>();
foreach(ParInfo par in b.LocalVars) {
bool found = false;
foreach(ParInfo rootPar in rootB.LocalVars) {
if (par.Name == rootPar.Name) {
if (par.Type != rootPar.Type) {
string errorMsg = string.Format(Resources.ParErrorInfo, par.Name, b.Label, rootB.Label);
MessageBox.Show(errorMsg, Resources.LoadError, MessageBoxButtons.OK);
return;
}
found = true;
break;
}
}
if (!found) {
pars.Add(par);
}
}
rootB.LocalVars.AddRange(pars);
// The first child should be the root node of the prefab tree.
Node behaviorNode = (Node)behavior;
if (behaviorNode.Children.Count > 0) {
newnode = (Node)behaviorNode.Children[0];
string prefab = Path.GetFileNameWithoutExtension(behavior.Filename);
newnode.CommentText = string.Format("Prefab[{0}]", prefab);
isPrefabInstance = true;
string prefabName = FileManagers.FileManager.GetRelativePath(behavior.Filename);
newnode.SetPrefab(prefabName);
}
}
} else {
// simply create the node which is supposed to be created.
newnode = Node.Create(nodetag.NodeType);
if (newnode != null)
newnode.PostCreatedByEditor();
}
if (newnode == null) {
return;
}
// update label
newnode.OnPropertyValueChanged(false);
Node node = (nvd != null) ? nvd.Node : null;
if (node == null) {
mode = NodeAttachMode.None;
}
Attachments.Attachment startCondition = null;
// attach the new node with the correct mode
switch (mode) {
// the new node is inserted in front of the target node
case NodeAttachMode.Left:
if (node != null) {
Node parent = (Node)node.Parent;
int k = node.ParentConnector.GetChildIndex(node);
Node.Connector conn = node.ParentConnector;
Debug.Check(conn != null);
parent.RemoveChild(conn, node);
parent.AddChild(conn, newnode, k);
Node.Connector newconn = newnode.GetConnector(conn.Identifier);
Debug.Check(newconn != null);
newnode.AddChild(newconn, node);
// automatically select the new node
_selectedNodePending = newnode;
_selectedNodePendingParent = nvd.Parent;
}
break;
// the new node is simply added to the target node's children
case NodeAttachMode.Right:
if (newnode != null && newnode.IsFSM) {
startCondition = this.addFSMNode(newnode, mousePos);
newnode.ScreenLocation = new PointF(_rootNodeView.BoundingBox.Left + _rootNodeView.BoundingBox.Width * 1.5f, _rootNodeView.BoundingBox.Top);
} else if (node != null) {
node.AddChild(_dragTargetConnector, newnode);
_dragTargetConnector.IsExpanded = true;
// automatically select the new node
_selectedNodePending = newnode;
_selectedNodePendingParent = nvd;
}
break;
// the new node is placed above the target node
case NodeAttachMode.Top:
if (node != null) {
int n = _dragTargetNode.Node.ParentConnector.GetChildIndex(node);
((Node)node.Parent).AddChild(_dragTargetNode.Node.ParentConnector, newnode, n);
// automatically select the new node
_selectedNodePending = newnode;
_selectedNodePendingParent = nvd.Parent;
}
break;
// the new node is placed below the target node
case NodeAttachMode.Bottom:
if (node != null) {
int m = _dragTargetNode.Node.ParentConnector.GetChildIndex(node);
((Node)node.Parent).AddChild(_dragTargetNode.Node.ParentConnector, newnode, m + 1);
// automatically select the new node
_selectedNodePending = newnode;
_selectedNodePendingParent = nvd.Parent;
}
break;
// the node will replace the target node
case NodeAttachMode.Center:
if (node != null && replaceNode(node, newnode)) {
// automatically select the new node
_selectedNodePending = newnode;
_selectedNodePendingParent = nvd.Parent;
this.Redraw();
}
break;
case NodeAttachMode.None:
if (newnode != null && newnode.IsFSM) {
startCondition = this.addFSMNode(newnode, mousePos);
// automatically select the new node
_selectedNodePending = newnode;
_selectedNodePendingParent = this.RootNodeView;
}
break;
}
// After being created, its Id should be reset.
if (newnode != null) {
newnode.ResetId(true);
// set the prefab dirty for the current parent
if (newnode.Parent != null) {
Node parent = (Node)newnode.Parent;
if (!string.IsNullOrEmpty(parent.PrefabName)) {
parent.HasOwnPrefabData = true;
if (!isPrefabInstance) {
newnode.SetPrefab(parent.PrefabName);
newnode.HasOwnPrefabData = true;
}
}
}
if (startCondition != null) {
startCondition.TargetFSMNodeId = newnode.Id;
}
UndoManager.Save(this.RootNode);
}
// the layout needs to be recalculated
LayoutChanged();
}
/// <summary>
/// Returns the behavior which is associated with a tree node.
/// </summary>
/// <param name="nodetag">The NodeTag of the tree node.</param>
/// <param name="label">The label of the tree node.</param>
/// <returns>Returns null if no matching behavior could be found or loaded.</returns>
internal BehaviorNode GetBehavior(NodeTag nodetag, string label, List<Nodes.Node.ErrorCheck> result = null)
{
BehaviorNode behavior = LoadBehavior(nodetag.Filename, false, result);
if (behavior != null)
{
return behavior;
}
MessageBox.Show(string.Format(Resources.NoBehaviorInfo, label, nodetag.Filename), Resources.FileError, MessageBoxButtons.OK);
return null;
}
private static void resetPar(NodeTag.DefaultObject obj, ParInfo par, string newName)
{
Node node = getNode(obj);
if (node != null && par != null)
{
Type type = obj.GetType();
foreach (PropertyInfo property in type.GetProperties())
{
try
{
object value = property.GetValue(obj, null);
if (value != null)
{
if (property.PropertyType == typeof(MethodDef))
{
MethodDef method = value as MethodDef;
Debug.Check(method != null);
method.ResetPar(par, newName);
}
else if (property.PropertyType == typeof(VariableDef))
{
VariableDef var = value as VariableDef;
Debug.Check(var != null);
var.ResetPar(par, newName);
}
else if (property.PropertyType == typeof(RightValueDef))
{
RightValueDef rv = value as RightValueDef;
Debug.Check(rv != null);
rv.ResetPar(par, newName);
}
}
}
catch
{
}
}
}
}
/// <summary>
/// Adds this NodeGroup to the TreeView of the node explorer.
/// </summary>
/// <param name="pool">The TreeNodeCollection the group and its sub-groups and childrens will be added.</param>
public void Register(TreeNodeCollection pool)
{
// check if this NodeGroup already exists in the node explorer
TreeNode tnode = null;
foreach(TreeNode node in pool) {
if (node.Text == _name) {
tnode = node;
break;
}
}
// create a new group if it does not yet exist
if (tnode == null) {
tnode = new TreeNode(_name, (int)_icon, (int)_icon);
tnode.Tag = new NodeTag(NodeTagType.NodeFolder, null, string.Empty);
pool.Add(tnode);
}
// add the nodes which will be shown in this group
foreach(NodeItem item in _items) {
NodeTagType ntt = NodeTagType.Node;
if (item.Type.IsSubclassOf(typeof(Attachments.Attachment))) {
ntt = NodeTagType.Attachment;
}
NodeTag nodetag = new NodeTag(ntt, item.Type, string.Empty);
TreeNode inode = new TreeNode(nodetag.Defaults.Label, (int)item.Icon, (int)item.Icon);
inode.Tag = nodetag;
inode.ToolTipText = nodetag.Defaults.Description;
tnode.Nodes.Add(inode);
}
// add any sub-group
foreach(NodeGroup group in _children)
group.Register(tnode.Nodes);
tnode.ExpandAll();
}
private static Node getNode(NodeTag.DefaultObject obj)
{
Node node = obj as Node;
if (node == null)
{
Attachments.Attachment attach = obj as Attachments.Attachment;
if (attach != null)
node = attach.Node;
}
return node;
}
private static void checkPar(NodeTag.DefaultObject obj, ParInfo par, ref List<Node.ErrorCheck> result)
{
Node node = getNode(obj);
if (node != null && par != null)
{
Type type = obj.GetType();
foreach (PropertyInfo property in type.GetProperties())
{
try
{
object value = property.GetValue(obj, null);
if (value != null)
{
if (property.PropertyType == typeof(MethodDef))
{
MethodDef method = value as MethodDef;
Debug.Check(method != null);
if (method.CheckPar(par))
result.Add(new Node.ErrorCheck(node, ErrorCheckLevel.Error, "Par as a parameter of the method."));
}
else if (property.PropertyType == typeof(VariableDef))
{
VariableDef var = value as VariableDef;
Debug.Check(var != null);
if (var.CheckPar(par))
result.Add(new Node.ErrorCheck(node, ErrorCheckLevel.Error, "Par as a value."));
}
else if (property.PropertyType == typeof(RightValueDef))
{
RightValueDef rv = value as RightValueDef;
Debug.Check(rv != null);
if (rv.CheckPar(par))
result.Add(new Node.ErrorCheck(node, ErrorCheckLevel.Error, "Par as a right value."));
}
}
}
catch
{
}
}
}
}
public static bool InvokeTypeParser(Type type, string parStr, SetValue setter, NodeTag.DefaultObject node, string paramName = null)
{
Debug.Check(type != null);
if (_typeHandlers.ContainsKey(type))
{
Type typeHandler = _typeHandlers[type];
MethodInfo parserMethod = typeHandler.GetMethod("Parse");
Debug.Check(parserMethod != null);
if (string.IsNullOrEmpty(parStr) && type.IsPrimitive && type == typeof(string))
{
return false;
}
object[] pars = { node, paramName, parStr, setter };
return (bool)parserMethod.Invoke(null, pars);
}
else if (type.IsEnum)
{
Array values = Enum.GetValues(type);
foreach (object enumVal in values)
{
string enumValueName = Enum.GetName(type, enumVal);
if (enumValueName == parStr)
{
setter(enumVal);
return true;
}
}
}
else if (Plugin.IsArrayType(type))
{
object obj = DesignerArray.ParseStringValue(type, parStr, node);
setter(obj);
return true;
}
else if (Plugin.IsCustomClassType(type))
{
object obj = Behaviac.Design.Attributes.DesignerStruct.ParseStringValue(type, paramName, parStr, node);
setter(obj);
return true;
}
else
{
string message = string.Format("parser for {0} is not registered!", type.Name);
throw new Exception(message);
}
return false;
}
public static NodeTag.DefaultObject GetPreviousObjectById(Node root, int id, NodeTag.DefaultObject currentObj)
{
if (root == null || root == currentObj)
return null;
if (root.Id == id)
return root;
foreach (Attachments.Attachment attach in root.Attachments)
{
if (attach == currentObj)
return null;
if (attach.Id == id)
return attach;
}
if (!(root is ReferencedBehavior))
{
foreach (Node child in root.Children)
{
NodeTag.DefaultObject obj = GetPreviousObjectById(child, id, currentObj);
if (null != obj)
return obj;
}
}
return null;
}
/// <summary>
/// Attaches a dragged node from the node explorer to an existing node.
/// </summary>
/// <param name="nvd">The node the new node will be attached to.</param>
/// <param name="mode">The way the new node will be attached.</param>
/// <param name="nodetag">The tag of the you want to create.</param>
/// <param name="label">The label of the new node.</param>
private void InsertNewNode(NodeViewData nvd, NodeAttachMode mode, NodeTag nodetag)
{
// check if the attach mode is valid
if (mode == NodeAttachMode.Attachment || mode == NodeAttachMode.None)
throw new Exception("A node cannot be created with the given attach mode");
if (nodetag.Type != NodeTagType.Behavior && nodetag.Type != NodeTagType.Prefab && nodetag.Type != NodeTagType.Node)
throw new Exception("Only behaviours, prefabs and nodes can be attached to a behaviour tree");
Node node = nvd.Node;
Node newnode = null;
bool isPrefabInstance = false;
// when we attach a behaviour we must create a special referenced behaviour node
if (nodetag.Type == NodeTagType.Behavior || nodetag.Type == NodeTagType.Prefab)
{
if (!File.Exists(nodetag.Filename))
{
if (!SaveBehavior(nodetag.Filename))
return;
}
// get the behavior we want to reference
BehaviorNode behavior = _behaviorTreeList.LoadBehavior(nodetag.Filename);
// a behaviour reference itself
if (nvd.IsBehaviorReferenced(behavior))
{
if (DialogResult.Cancel == MessageBox.Show(Resources.CircularReferencedInfo, Resources.Warning, MessageBoxButtons.OKCancel, MessageBoxIcon.Warning))
return;
}
if (nodetag.Type == NodeTagType.Prefab)
{
behavior = (BehaviorNode)behavior.Clone();
}
Behavior rootB = _rootNode.RootBehavior as Behavior;
Behavior b = behavior as Behavior;
if (rootB.AgentType == null)
{
rootB.AgentType = b.AgentType;
}
else if (!IsCompatibleAgentType(rootB, b))
{
return;
}
// behavior
if (nodetag.Type == NodeTagType.Behavior)
{
// create the referenced behaviour node for the behaviour
ReferencedBehaviorNode refnode = Node.CreateReferencedBehaviorNode(_rootNode.RootBehavior, behavior);
// register the view so it gets updated when the referenced behaviour gets updated.
refnode.ReferencedBehaviorWasModified += new ReferencedBehavior.ReferencedBehaviorWasModifiedEventDelegate(refnode_ReferencedBehaviorWasModified);
newnode = (Node)refnode;
newnode.CommentText = Resources.ThisIsReferenceTree;
newnode.CommentBackground = Node.CommentColor.Gray;
}
// prefab
else
{
// Copy all Pars from the prefab file into the current behavior node.
List<ParInfo> pars = new List<ParInfo>();
foreach (ParInfo par in b.Pars)
{
bool found = false;
foreach (ParInfo rootPar in rootB.Pars)
{
if (par.Name == rootPar.Name)
{
if (par.Type != rootPar.Type)
{
string errorMsg = string.Format(Resources.ParErrorInfo, par.Name, b.Label, rootB.Label);
MessageBox.Show(errorMsg, Resources.LoadError, MessageBoxButtons.OK);
return;
}
found = true;
break;
}
}
if (!found)
pars.Add(par);
}
rootB.Pars.AddRange(pars);
if (ParSettingsDock.IsVisible())
ParSettingsDock.Inspect((Node)_rootNode.RootBehavior);
// The first child should be the root node of the prefab tree.
Node behaviorNode = (Node)behavior;
if (behaviorNode.Children.Count > 0)
{
newnode = (Node)behaviorNode.Children[0];
string prefab = Path.GetFileNameWithoutExtension(behavior.Filename);
newnode.CommentText = string.Format("Prefab[{0}]", prefab);
isPrefabInstance = true;
string prefabName = FileManagers.FileManager.GetRelativePath(behavior.Filename);
newnode.SetPrefab(prefabName);
}
}
}
else
{
// simply create the node which is supposed to be created.
newnode = Node.Create(nodetag.NodeType);
}
if (newnode == null)
return;
// update label
newnode.OnPropertyValueChanged(false);
// attach the new node with the correct mode
switch (mode)
{
// the new node is inserted in front of the target node
case (NodeAttachMode.Left):
Node parent = (Node)node.Parent;
int k = node.ParentConnector.GetChildIndex(node);
Node.Connector conn = node.ParentConnector;
Debug.Check(conn != null);
parent.RemoveChild(conn, node);
parent.AddChild(conn, newnode, k);
Node.Connector newconn = newnode.GetConnector(conn.Identifier);
Debug.Check(newconn != null);
newnode.AddChild(newconn, node);
// automatically select the new node
_selectedNodePending = newnode;
_selectedNodePendingParent = nvd.Parent;
break;
// the new node is simply added to the target node's children
case (NodeAttachMode.Right):
node.AddChild(_dragTargetConnector, newnode);
// automatically select the new node
_selectedNodePending = newnode;
_selectedNodePendingParent = nvd;
break;
// the new node is placed above the target node
case (NodeAttachMode.Top):
int n = _dragTargetNode.Node.ParentConnector.GetChildIndex(node);
((Node)node.Parent).AddChild(_dragTargetNode.Node.ParentConnector, newnode, n);
// automatically select the new node
_selectedNodePending = newnode;
_selectedNodePendingParent = nvd.Parent;
break;
// the new node is placed below the target node
case (NodeAttachMode.Bottom):
int m = _dragTargetNode.Node.ParentConnector.GetChildIndex(node);
((Node)node.Parent).AddChild(_dragTargetNode.Node.ParentConnector, newnode, m + 1);
// automatically select the new node
_selectedNodePending = newnode;
_selectedNodePendingParent = nvd.Parent;
break;
// the node will replace the target node
case (NodeAttachMode.Center):
if (replaceNode(node, newnode))
{
// automatically select the new node
_selectedNodePending = newnode;
_selectedNodePendingParent = nvd.Parent;
}
break;
}
// After being created, its Id should be reset.
if (newnode != null)
{
newnode.ResetId(isPrefabInstance);
// set the prefab dirty for the current parent
if (newnode.Parent != null)
{
Node parent = (Node)newnode.Parent;
if (!string.IsNullOrEmpty(parent.PrefabName))
{
parent.HasOwnPrefabData = true;
if (!isPrefabInstance)
{
newnode.SetPrefab(parent.PrefabName);
newnode.HasOwnPrefabData = true;
}
}
}
if (nodetag.Type == NodeTagType.Behavior || nodetag.Type == NodeTagType.Prefab)
ExpandedNodePool.SetExpandedNode(newnode.Behavior.RelativePath, newnode.Id.ToString(), false);
UndoManager.Save(this.RootNode, newnode.Behavior);
}
// the layout needs to be recalculated
LayoutChanged();
}
