/// <summary>
/// Adds a new node to the tree, automatically handles undo, dirty flag and save node.
/// <param name="tree">The tree to add a new node.</param>
/// <param name="nodeType">The type of the new node.</param>
/// <returns>The new node.</returns>
/// </summary>
public static ActionNode AddNode(InternalBehaviourTree tree, System.Type nodeType)
{
// Validate parameters
if (tree != null && nodeType != null && nodeType.IsSubclassOf(typeof(ActionNode)) && !nodeType.IsAbstract)
{
// Register Undo
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Undo.RegisterUndo(tree, "Add New Node");
#else
Undo.RecordObject(tree, "Add New Node");
#endif
// Create new node
var newNode = tree.AddNode(nodeType);
if (newNode != null)
{
// Saves node and sets dirty flag
StateUtility.SetDirty(tree);
return(newNode);
}
}
return(null);
}
/// <summary>
/// Shows the node generic menu.
/// </summary>
void ShowNodeContextMenu()
{
var menu = new GenericMenu();
menu.AddItem(new GUIContent("Reset"), false, delegate { StateUtility.ResetNode(target); m_SerializedNode = new SerializedNode(target); m_SerializedNode.Update(); });
menu.AddSeparator(string.Empty);
menu.AddItem(new GUIContent("Copy"), false, delegate { BehaviourTreeUtility.nodeToPaste = target; });
menu.AddSeparator(string.Empty);
if (target != null)
{
menu.AddItem(new GUIContent("Find Script"), false, delegate {
MonoScript script = BehaviourTreeUtility.GetNodeScript(target.GetType());
if (script != null)
{
EditorGUIUtility.PingObject(script);
}
});
menu.AddItem(new GUIContent("Edit Script"), false, delegate {
MonoScript script = BehaviourTreeUtility.GetNodeScript(target.GetType());
if (script != null)
{
AssetDatabase.OpenAsset(script);
}
});
}
else
{
menu.AddDisabledItem(new GUIContent("Find Script"));
menu.AddDisabledItem(new GUIContent("Edit Script"));
}
menu.ShowAsContext();
}
/// <summary>
/// Adds a new node to the parent, automatically handles undo, dirty flag and save node.
/// <param name="parent">The branch to add the child.</param>
/// <param name="childType">The type of the new node.</param>
/// <returns>The new node.</returns>
/// </summary>
public static ActionNode AddNode(BranchNode parent, System.Type childType)
{
// Validate parameters
if (parent != null && parent.tree != null && childType != null)
{
// Register Undo
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Undo.RegisterUndo(parent.tree, "Add New Node");
#else
Undo.RecordObject(parent.tree, "Add New Node");
#endif
var newNode = parent.tree.AddNode(childType);
if (newNode != null)
{
// Adds new node as child of parent
parent.Add(newNode);
// Call OnValidate on the parent
parent.OnValidate();
// Saves node and sets dirty flag
StateUtility.SetDirty(parent.tree);
return(newNode);
}
}
return(null);
}
/// <summary>
/// Destroys the suplied node and its hierarchy from the tree.
/// <param name="node">The node to be destroyed.</param>
/// <returns>True if the node was successfully destroyed; false otherwise.</returns>
/// </summary>
public static bool DestroyNode(ActionNode node)
{
// Validate parameters
if (node != null && node.tree != null)
{
// Get parent and tree
var tree = node.tree;
var parent = node.branch;
// Register Undo
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Undo.RegisterUndo(tree, "Delete " + node.name);
#else
Undo.RecordObject(tree, "Delete " + node.name);
#endif
// Removes node from parent
if (parent != null)
{
parent.Remove(node);
// Call OnValidate on the parent
parent.OnValidate();
}
// Removes node from tree
tree.RemoveNode(node, true);
// Saves tree and marks dirty flag
StateUtility.SetDirty(tree);
return(true);
}
return(false);
}
/// <summary>
/// Destroys the suplied node and its hierarchy from the tree.
/// <param name="node">The node to be destroyed.</param>
/// <returns>True if the node was successfully destroyed; false otherwise.</returns>
/// </summary>
public static bool DestroyNode(ActionNode node)
{
// Get the tree action state
var actionState = node != null ? node.owner as InternalActionState : null;
// Validate parameters
if (actionState != null)
{
// Register Undo
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Undo.RegisterUndo(actionState, "Delete " + node.name);
#else
Undo.RecordObject(actionState, "Delete " + node.name);
#endif
// Removes node from actionState
actionState.RemoveNode(node);
// Saves actionState and marks dirty flag
StateUtility.SetDirty(actionState);
return(true);
}
return(false);
}
/// <summary>
/// Inserts a new node to the supplied branch, automatically handles undo, dirty flag and save node.
/// <param name="branch">The branch to add a new node.</param>
/// <param name="index">The index of the new node.</param>
/// <param name="nodeType">The type of the new node.</param>
/// <returns>The new node.</returns>
/// </summary>
public static ActionNode InsertNode(BranchNode branch, int index, System.Type nodeType)
{
// Validate parameters
if (branch != null && branch.tree != null && nodeType != null && index >= 0 && index <= branch.children.Length)
{
// Get the tree
var tree = branch.tree;
// Register Undo
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Undo.RegisterUndo(tree, "Insert New Node");
#else
Undo.RecordObject(tree, "Insert New Node");
#endif
// Create new node
var newNode = tree.AddNode(nodeType);
if (newNode != null)
{
// Insert new node
branch.Insert(index, newNode);
// Call OnValidate on the parent
branch.OnValidate();
// Saves node and sets dirty flag
StateUtility.SetDirty(tree);
return(newNode);
}
}
return(null);
}
/// <summary>
/// Shows a context menu callback to add a new state.
/// </summary>
void OnAddContextMenu()
{
var menu = new GenericMenu();
var stateScripts = FileUtility.GetScripts <InternalStateBehaviour>();
for (int i = 0; i < stateScripts.Length; i++)
{
System.Type childStateType = stateScripts[i].GetClass();
// Get the component path
string componentPath;
AddComponentMenu componentMenu = AttributeUtility.GetAttribute <AddComponentMenu>(childStateType, true);
if (componentMenu != null && componentMenu.componentMenu != string.Empty)
{
componentPath = componentMenu.componentMenu;
}
else
{
componentPath = childStateType.ToString().Replace('.', '/');
}
menu.AddItem(new GUIContent(componentPath), false, delegate() { StateUtility.AddState(m_Parent, childStateType); });
}
// Shows the context menu
menu.ShowAsContext();
}
/// <summary>
/// Shows a context menu to add a new parent.
/// </summary>
void OnContextMenu()
{
var menu = new UnityEditor.GenericMenu();
// Get the active game object
var gameObject = Selection.activeGameObject;
// The selected game object is not null?
if (gameObject != null)
{
// Gets all scripts that inherits from ParentBehaviour class
MonoScript[] scripts = FileUtility.GetScripts <ParentBehaviour>();
for (int i = 0; i < scripts.Length; i++)
{
var type = scripts[i].GetClass();
// Get the component path
string componentPath = "Add Parent/";
AddComponentMenu componentMenu = AttributeUtility.GetAttribute <AddComponentMenu>(type, false);
if (componentMenu == null || componentMenu.componentMenu != string.Empty)
{
componentMenu = AttributeUtility.GetAttribute <AddComponentMenu>(type, true);
if (componentMenu != null && componentMenu.componentMenu != string.Empty)
{
componentPath += componentMenu.componentMenu;
}
else
{
componentPath += type.ToString().Replace('.', '/');
}
// Add to menu
menu.AddItem(new GUIContent(componentPath), false, delegate() { BehaviourWindow.activeParent = StateUtility.AddState(gameObject, type) as ParentBehaviour; });
}
}
}
else
{
menu.AddDisabledItem(new GUIContent("Add Parent/"));
ShowNotification(new GUIContent("Select a Game Object and right click in this window!"));
}
// Add option to paste states
if (Selection.activeGameObject != null && StateUtility.statesToPaste != null && StateUtility.statesToPaste.Length > 0)
{
menu.AddItem(new GUIContent("Paste State"), false, delegate() { StateUtility.CloneStates(Selection.activeGameObject, StateUtility.statesToPaste, null); });
}
else
{
menu.AddDisabledItem(new GUIContent("Paste State"));
}
// Refresh window?
// menu.AddSeparator("");
// menu.AddItem(new GUIContent("Refresh"), false ,Refresh);
// Shows the controller menu
menu.ShowAsContext();
}
/// <summary>
/// Adds a state to the supplied parent.
/// Automatically handles undo.
/// <param name="parent">The ParentBehaviour to add the new state.</param>
/// <param name="type">The new state type.</param>
/// <returns>The new created state.<returns>
/// </summary>
public static InternalStateBehaviour AddState(ParentBehaviour parent, System.Type type)
{
// Validate parameters
if (type != null && parent != null)
{
// Create and register undo
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Undo.RegisterSceneUndo("Create State (" + type.Name + ")");
#endif
InternalStateBehaviour newState = parent.AddState(type);
if (newState != null)
{
// Register undo
#if !UNITY_4_0_0 && !UNITY_4_1 && !UNITY_4_2
Undo.RegisterCreatedObjectUndo(newState, "Create State (" + type.Name + ")");
#endif
// The parent is a FSM?
var fsm = parent as InternalStateMachine;
if (fsm != null)
{
// The newState is an AnyState?
if (newState is InternalAnyState)
{
// The fsm already has an AnyState?
if (fsm.anyState != null)
{
// Destroy the curren anyState
StateUtility.Destroy(fsm.anyState);
}
// Add the new anyState
fsm.anyState = newState as InternalAnyState;
}
// The start state is null?
else if (fsm.startState == null)
{
// Set the new state as the start state
fsm.startState = newState;
EditorUtility.SetDirty(fsm);
}
}
// Sets dirty flag
EditorUtility.SetDirty(parent.gameObject);
}
return(newState);
}
return(null);
}
/// <summary>
/// Remove the suplied branch from the tree.
/// <param name="branch">The node to be removed.</param>
/// <returns>True if the node was successfully removed; false otherwise.</returns>
/// </summary>
public static bool RemoveBranch(BranchNode branch)
{
// The Branch is not a decorator
if (branch != null && branch.tree != null)
{
// Gets parent's children and node's id
var parent = branch.branch;
ActionNode[] children = branch.children;
var tree = branch.tree;
// The parent is a decorator or null (node is root) and the branch has more than one child?
if (children.Length >= 2 && (parent == null || parent is DecoratorNode) || parent == null)
{
EditorApplication.Beep();
return(false);
}
// Register Undo
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Undo.RegisterUndo(branch.tree, "Remove Branch");
#else
Undo.RecordObject(branch.tree, "Remove Branch");
#endif
// Removes children from branch and adds to parent
if (parent != null)
{
// Get the branch index
int branchIndex = (new List <ActionNode>(parent.children)).IndexOf(branch);
parent.Remove(branch);
for (int i = 0; i < children.Length; i++)
{
branch.Remove(children[i]);
parent.Insert(branchIndex++, children[i]);
}
// Call OnValidate on the parent
parent.OnValidate();
}
// Removes node from tree
tree.RemoveNode(branch, false);
// Saves tree and marks dirty flag
StateUtility.SetDirty(tree);
return(true);
}
return(false);
}
/// <summary>
/// Callback called whenever the supplied list changes its order.
/// <param name="list">The target list.</param>
/// </summary>
private void OnReorderNode(ReorderableList list)
{
// Register Undo
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Undo.RegisterUndo(m_ActionState, "Move Node");
#else
Undo.RecordObject(m_ActionState, "Move Node");
#endif
// Set dirty flag
StateUtility.SetDirty(m_ActionState);
m_ActionState.HierarchyChanged();
RegisterEditorOnGUI();
}
/// <summary>
/// Apply property modifications.
/// </summary>
public void ApplyModifiedProperties()
{
if (m_Target != null && m_PropertiesChanged.Count > 0)
{
var ownerUnityObj = m_Target.owner as UnityEngine.Object;
var variableModified = new List <Variable>();
// Register undo
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Undo.RegisterUndo(ownerUnityObj, "Inspector");
#else
Undo.RecordObject(ownerUnityObj, "Inspector");
#endif
// Call ApplyModifiedValue in all change properties
for (int i = 0; i < m_PropertiesChanged.Count; i++)
{
// Apply changes in the property data
m_PropertiesChanged[i].ApplyModifiedValue();
// Recreate data?
m_RecreateData = m_RecreateData || m_PropertiesChanged[i].hasChildren || m_PropertiesChanged[i].propertyType == NodePropertyType.Variable;
// It is a variable?
var variable = m_PropertiesChanged[i].target as Variable;
if (variable != null && !variableModified.Contains(variable))
{
variableModified.Add(variable);
}
}
// Clear changed properties
m_PropertiesChanged.Clear();
// Call OnValidate
foreach (var variable in variableModified)
{
variable.OnValidate();
}
m_Target.OnValidate();
// Set tree dirty flag
StateUtility.SetDirty(m_Target.owner);
}
}
/// <summary>
/// Reset the supplied node properties.
/// <param name="node">The node to be reseted.</param>
/// </summary>
public static void ResetNode(ActionNode node)
{
// Get the owner as an Uniyt object
var ownerUnityObj = node != null ? node.owner as UnityEngine.Object : null;
// Validate parameters
if (ownerUnityObj != null)
{
// Register Undo
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Undo.RegisterUndo(ownerUnityObj, "Reset Node");
#else
Undo.RecordObject(ownerUnityObj, "Reset Node");
#endif
node.name = node.GetType().Name;
node.Reset();
node.OnValidate();
StateUtility.SetDirty(node.owner);
}
}
/// <summary>
/// Shows a context menu for the supplied transition.
/// <param name="transition">The target transition.</param>
/// </summary>
void ShowContextMenu(StateTransition transition)
{
var menu = new UnityEditor.GenericMenu();
var currentEventID = transition.eventID;
// Add none
menu.AddItem(new GUIContent("None"), currentEventID == 0, delegate() { StateUtility.SetNewEvent(m_State, transition, 0); this.Refresh(); });
// Add blackboard events
var blackboard = m_State.blackboard;
if (blackboard != null)
{
foreach (var fsmEvent in blackboard.fsmEvents)
{
int eventId = fsmEvent.id;
menu.AddItem(new GUIContent(fsmEvent.name), currentEventID == fsmEvent.id, delegate() { StateUtility.SetNewEvent(m_State, transition, eventId); this.Refresh(); });
}
}
// Add GlobalBlackboard events
// This is not The GlobalBlackboard?
if (InternalGlobalBlackboard.Instance != null && blackboard != InternalGlobalBlackboard.Instance)
{
foreach (var globalEvent in InternalGlobalBlackboard.Instance.fsmEvents)
{
int eventId = globalEvent.id;
var eventName = globalEvent.isSystem ? "System/" + globalEvent.name : "Global/" + globalEvent.name;
menu.AddItem(new GUIContent(eventName), currentEventID == globalEvent.id, delegate() { StateUtility.SetNewEvent(m_State, transition, eventId); this.Refresh(); });
}
}
menu.AddSeparator(""); // Separator
menu.AddItem(new GUIContent("Delete"), false, delegate() { StateUtility.RemoveTransition(m_State, transition); this.Refresh(); });
// Shows the context menu
menu.ShowAsContext();
}
/// <summary>
/// Paste the node in BehaviourTreeUtility.nodeToPaste in the supplied tree.
/// <param name="tree">The target tree.</param>
/// <param name="parent">Optional parent to paste the node; or null to paste as a root node.</param>
/// <returns>The pasted node.</returns>
/// </summary>
public static ActionNode PasteNode(InternalBehaviourTree tree, BranchNode parent = null)
{
// Get the node to be pasted
var node = BehaviourTreeUtility.nodeToPaste;
// Validate parameters
if (node != null && tree != null)
{
// Register Undo
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Undo.RegisterUndo(tree, "Paste Node");
#else
Undo.RecordObject(tree, "Paste Node");
#endif
var newNode = node.Copy(tree);
if (newNode != null)
{
// Add to parent branch?
if (parent != null)
{
parent.Add(newNode);
// Call OnValidate on the parent
parent.OnValidate();
}
// Saves node and sets dirty flag
StateUtility.SetDirty(tree);
// Reload tree to update variables
tree.LoadNodes();
}
return(newNode);
}
return(null);
}
/// <summary>
/// Paste the supplied nodes in the supplied ActionState.
/// <param name="actionState">The ActionState to paste the node.</param>
/// <param name="nodes">The nodes to be pasted.</param>
/// <returns>The pasted nodes.</returns>
/// </summary>
public static ActionNode[] PasteNodes(InternalActionState actionState, ActionNode[] nodes)
{
var newNodes = new List <ActionNode>();
// Validate parameters
if (nodes != null && actionState != null)
{
// Register Undo
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Undo.RegisterUndo(actionState, "Paste Node");
#else
Undo.RecordObject(actionState, "Paste Node");
#endif
// Copy nodes
for (int i = 0; i < nodes.Length; i++)
{
if (nodes[i] != null && !(nodes[i] is BranchNode))
{
ActionNode newNode = nodes[i].Copy(actionState);
if (newNode != null)
{
newNodes.Add(newNode);
}
}
}
if (newNodes.Count > 0)
{
// Saves node and sets dirty flag
StateUtility.SetDirty(actionState);
// Reload actionState to update variables
actionState.LoadNodes();
}
}
return(newNodes.ToArray());
}
/// <summary>
/// Inserts a new node to the supplied branch, automatically handles undo, dirty flag and save node.
/// <param name="node">The branch to add a new node.</param>
/// <param name="newNodePosition">Move the node to the position of this node.</param>
/// <param name="branch">The branch to drop the node or null.</param>
/// </summary>
public static bool MoveNode(ActionNode node, ActionNode newNodePosition, BranchNode branch)
{
// Validate parameters
if (node != null && node.tree != null)
{
// Get the tree
var tree = node.tree;
// The node does not belongs to the tree?
if (!tree.GetNodes().Contains(node))
{
return(false);
}
// Register Undo
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Undo.RegisterUndo(tree, "Move Node");
#else
Undo.RecordObject(tree, "Move Node");
#endif
// The node will be a root node?
if (branch == null)
{
// Remove from old branch
if (node.branch != null)
{
BranchNode oldBranch = node.branch;
node.branch.Remove(node);
// Call OnValidate on old branch
oldBranch.OnValidate();
}
if (newNodePosition == null)
{
var newIndex = node.tree.GetNodes().Count - 1;
node.tree.MoveNode(node.GetIndex(), newIndex);
}
else
{
var newIndex = newNodePosition.root.GetIndex();
node.tree.MoveNode(node.GetIndex(), newIndex);
}
}
// The new node position is null?
else if (newNodePosition == null)
{
// node.branch = branch;
// Store old branch
var oldBranch = node.branch;
// Remove from old branch
if (oldBranch != null)
{
oldBranch.Remove(node);
}
// Add to drop
if (!branch.Add(node))
{
// Restore old branch
if (oldBranch != null)
{
oldBranch.Add(node);
}
return(false);
}
// Call OnValidate on branches
branch.OnValidate();
if (oldBranch != null && oldBranch != branch)
{
oldBranch.OnValidate();
}
node.tree.HierarchyChanged();
}
else
{
// Cache the oldBranch
BranchNode oldBranch = node.branch;
// Get index
var index = -1;
var children = branch.children;
for (int i = 0; i < children.Length; i++)
{
if (children[i] == newNodePosition)
{
index = i;
break;
}
}
// The index is invalid?
if (index < 0 || !branch.Insert(index, node))
{
return(false);
}
else
{
// Call OnValidate on the branches
if (oldBranch != null)
{
oldBranch.OnValidate();
}
branch.OnValidate();
node.tree.HierarchyChanged();
}
}
// Save move opration
StateUtility.SetDirty(tree);
return(true);
}
return(false);
}
/// <summary>
/// Shows the context menu.
/// </summary>
void OnContextMenu()
{
var menu = new GenericMenu();
var activeFsm = BehaviourWindow.activeFsm;
if (activeFsm != null)
{
m_LastMousePos = Event.current.mousePosition;
// Get the states scripts
MonoScript[] stateScripts = FileUtility.GetScripts <InternalStateBehaviour>();
for (int i = 0; i < stateScripts.Length; i++)
{
System.Type type = stateScripts[i].GetClass();
// Get the component path
string componentPath = "Add State/";
AddComponentMenu componentMenu = AttributeUtility.GetAttribute <AddComponentMenu>(type, false);
if (componentMenu == null || componentMenu.componentMenu != string.Empty)
{
componentMenu = AttributeUtility.GetAttribute <AddComponentMenu>(type, true);
if (componentMenu != null && componentMenu.componentMenu != string.Empty)
{
componentPath += componentMenu.componentMenu;
}
else
{
componentPath += type.ToString().Replace('.', '/');
}
menu.AddItem(new GUIContent(componentPath), false, delegate() {
InternalStateBehaviour newState = StateUtility.AddState(activeFsm, type);
// Sets the newState position and dirty flag
if (newState != null)
{
newState.position = m_LastMousePos - new Vector2(StateGUI.defaultWidth, StateGUI.defaultHeight) * .5f;
EditorUtility.SetDirty(newState);
}
});
}
}
}
else
{
menu.AddDisabledItem(new GUIContent("Add State"));
}
// Separator
menu.AddSeparator("");
menu.AddItem(new GUIContent("Copy FSM"), false, delegate() { StateUtility.statesToPaste = new InternalStateBehaviour[] { activeFsm }; });
if (StateUtility.statesToPaste != null && StateUtility.statesToPaste.Length > 0 && activeFsm != null)
{
menu.AddItem(new GUIContent("Paste State"), false, delegate() { StateUtility.PasteStates(activeFsm); });
}
else
{
menu.AddDisabledItem(new GUIContent("Paste State"));
}
// Separator
menu.AddSeparator("");
menu.AddItem(new GUIContent("Delete FSM"), false, delegate() { StateUtility.Destroy(activeFsm); });
// menu.AddSeparator(""); // Separator
// if (BehaviourWindow.Instance != null)
// menu.AddItem(new GUIContent("Refresh"), false, BehaviourWindow.Instance.Refresh);
// else
// menu.AddDisabledItem(new GUIContent("Refresh"));
// Shows the context menu
menu.ShowAsContext();
}
/// <summary>
/// Destroys the supplied state.
/// Automatically handles undo.
/// <param name="state">The state to be destroyed.</param>
/// </summary>
public static void Destroy(InternalStateBehaviour state)
{
// its a valid state
if (state != null)
{
var gameObject = state.gameObject; // stores the gameObject to set dirty flag
var isPrefab = FileUtility.IsPrefab(gameObject);
var monoState = state as InternalMonoState; // its a mono state?
// It is a fsm?
if (state is ParentBehaviour)
{
var parent = state as ParentBehaviour;
foreach (var child in parent.states)
{
StateUtility.Destroy(child);
}
}
if (Application.isPlaying && !isPrefab)
{
// Its a MonoState and the user wants to destroy mono behaviour to?
if (monoState != null && monoState.monoBehaviour != null && EditorUtility.DisplayDialog("Destroy MonoBehaviour?", "Do you want to destroy the " + monoState.monoBehaviour.GetType().ToString() + "?", "Ok", "Cancel"))
{
var monoStateGO = monoState.gameObject;
Object.Destroy(monoState.monoBehaviour);
EditorUtility.SetDirty(monoStateGO);
}
Object.Destroy(state);
}
else
{
// Register scene undo
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Undo.RegisterSceneUndo("Delete");
#endif
// Its a MonoState and the user wants to destroy the MonoBehaviour to?
if (monoState != null && monoState.monoBehaviour != null && EditorUtility.DisplayDialog("Destroy MonoBehaviour?", "Do you want to destroy the " + monoState.monoBehaviour.GetType().ToString() + "?", "Ok", "Cancel"))
{
// Gets the MonoState game object
var monoStateGO = monoState.gameObject;
// Destroy the mono behaviour
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Object.DestroyImmediate(monoState.monoBehaviour, true);
#else
Undo.DestroyObjectImmediate(monoState.monoBehaviour);
#endif
// Set game object dirty flag
EditorUtility.SetDirty(monoStateGO);
}
// Destroys the state
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Object.DestroyImmediate(state, true);
#else
Undo.DestroyObjectImmediate(state);
#endif
}
EditorUtility.SetDirty(gameObject);
}
}
/// <summary>
/// Paste the state in StateUtility.stateToPaste in the supplied fsm.
/// <param name="gameObject">The target gameObject.</param>
/// <param name="originalStates">The original states.</param>
/// <param name="parent">Optionally parent for the cloned states.</param>
/// </summary>
public static void CloneStates(GameObject gameObject, InternalStateBehaviour[] originalStates, ParentBehaviour parent)
{
if (gameObject != null && originalStates != null && originalStates.Length > 0)
{
var orginalClone = new Dictionary <InternalStateBehaviour, InternalStateBehaviour>();
var originalFsm = parent != null ? originalStates[0].parent as InternalStateMachine : null;
var newFsm = parent as InternalStateMachine;
InternalStateBehaviour startState = null, concurrentState = null;
InternalAnyState anyState = null;
// Copy blackboard data?
var newBlackboard = gameObject.GetComponent <InternalBlackboard>();
if (newBlackboard == null)
{
// Get the original blackboard
InternalBlackboard originalBlackboard = originalStates[0].GetComponent <InternalBlackboard>();
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Undo.RegisterSceneUndo("Paste State");
// Create the new blacbkoard
newBlackboard = gameObject.AddComponent(originalBlackboard.GetType()) as InternalBlackboard;
#else
// Create the new blacbkoard
newBlackboard = gameObject.AddComponent(originalBlackboard.GetType()) as InternalBlackboard;
if (newBlackboard != null)
{
Undo.RegisterCreatedObjectUndo(newBlackboard, "Paste State");
}
#endif
// Copy serialized values
EditorUtility.CopySerialized(originalBlackboard, newBlackboard);
}
foreach (InternalStateBehaviour state in originalStates)
{
// Don't clone AnyState in StateMachines
if (state != null && (newFsm == null || !(state is InternalAnyState) || newFsm.anyState == null))
{
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Undo.RegisterSceneUndo("Paste State");
// Create a new state
var newState = gameObject.AddComponent(state.GetType()) as InternalStateBehaviour;
#else
// Create a new state
var newState = gameObject.AddComponent(state.GetType()) as InternalStateBehaviour;
if (newState != null)
{
Undo.RegisterCreatedObjectUndo(newState, "Paste State");
}
#endif
if (newState != null)
{
// Store state
orginalClone.Add(state, newState);
// Copy serialized values
EditorUtility.CopySerialized(state, newState);
// Update blackboard
if (state.gameObject != newState.gameObject)
{
var serialObj = new SerializedObject(newState);
serialObj.FindProperty("m_Blackboard").objectReferenceValue = newBlackboard;
serialObj.ApplyModifiedProperties();
serialObj.Dispose();
}
// Update the AnyState, StartState and ConcurrentState
if (newState is InternalStateMachine)
{
var fsm = newState as InternalStateMachine;
fsm.startState = null;
fsm.concurrentState = null;
fsm.anyState = null;
}
EditorUtility.SetDirty(newState);
// Set new parent
if (parent != null)
{
newState.parent = parent;
// Update position
if (parent == state.parent)
{
newState.position += new Vector2(20f, 20f);
}
}
else
{
newState.parent = null;
}
// Saves state and sets dirty flag
INodeOwner nodeOwner = newState as INodeOwner;
if (nodeOwner != null)
{
nodeOwner.LoadNodes();
StateUtility.SetDirty(nodeOwner);
}
else
{
EditorUtility.SetDirty(newState);
}
// Try to get the StartState, AnyState and ConcurrentState
if (originalFsm != null)
{
if (originalFsm.startState == state)
{
startState = newState;
}
if (anyState == null)
{
anyState = newState as InternalAnyState;
}
if (originalFsm.concurrentState == state)
{
concurrentState = newState;
}
}
}
}
}
// Set StartState, AnyState and ConcurrentState
if (newFsm != null)
{
if (newFsm.startState == null)
{
newFsm.startState = startState;
}
if (newFsm.anyState == null)
{
newFsm.anyState = anyState;
}
if (newFsm.concurrentState == null)
{
newFsm.concurrentState = concurrentState;
}
EditorUtility.SetDirty(newFsm);
}
// Try to update the transitions' destination
foreach (KeyValuePair <InternalStateBehaviour, InternalStateBehaviour> pair in orginalClone)
{
InternalStateBehaviour state = pair.Key;
InternalStateBehaviour newState = pair.Value;
// Update the newState transition
for (int i = 0; i < newState.transitions.Length && i < state.transitions.Length; i++)
{
// The original destination is valid?
if (state.transitions[i].destination != null && orginalClone.ContainsKey(state.transitions[i].destination))
{
newState.transitions[i].destination = orginalClone[state.transitions[i].destination];
}
}
if (newState is ParentBehaviour)
{
var stateAsParent = state as ParentBehaviour;
// Removes the newState from the children state to avoid an infinite loop
List <InternalStateBehaviour> children = stateAsParent.states;
if (children.Contains(newState))
{
children.Remove(newState);
}
StateUtility.CloneStates(newState.gameObject, children.ToArray(), newState as ParentBehaviour);
}
EditorUtility.SetDirty(newState);
}
EditorUtility.SetDirty(gameObject);
}
}
/// <summary>
/// Draw the transition arrows.
/// </summary>
public override void OnGUIAfterWindows()
{
if (m_StatesGUI != null)
{
// Trying to create connections?
if (TransitionDragAndDrop.dragging != null)
{
switch (Event.current.type)
{
// Mouse Up? Let's try to connect a transition destination...
case EventType.MouseUp:
// Mouse button left?
if (Event.current.button == 0)
{
var mousePos = Event.current.mousePosition;
// The mouse is over a StateGUI?
foreach (var guiState in m_StatesGUI)
{
if (guiState.rect.Contains(mousePos))
{
StateUtility.SetNewDestination(TransitionDragAndDrop.state, TransitionDragAndDrop.dragging, guiState.state);
Refresh();
Event.current.Use();
break;
}
}
// Ignores the Transition drag'n & drop operation
TransitionDragAndDrop.AcceptDrag();
Repaint();
}
break;
// Cancel drag
case EventType.Used:
goto case EventType.Ignore;
case EventType.Ignore:
TransitionDragAndDrop.AcceptDrag();
Event.current.Use();
Repaint();
break;
// Draws the transition destination when dragging.
case EventType.Repaint:
// Is dragging?
if (TransitionDragAndDrop.isDragging)
{
// Validate dragging members
var guiState = TransitionDragAndDrop.guiState;
if (guiState != null && guiState.state != null)
{
// Gets the mouse position and creates a Rect
var mousePos = Event.current.mousePosition;
var destRect = new Rect(mousePos.x, mousePos.y, 0, 0);
var destYOffset = 0f;
// The mouse is over a StateGUI?
foreach (var _guiState in m_StatesGUI)
{
if (_guiState.rect.Contains(mousePos))
{
// Updates the destRect and destYOffset.
destRect = _guiState.rect;
destYOffset = StateGUI.defaultHeight * .5f;
break;
}
}
// Draws the bezier line
TransitionDragAndDrop.transitionGUI.DrawArrow(guiState.rect, destRect, destYOffset);
}
}
break;
case EventType.MouseDrag:
if (TransitionDragAndDrop.isDragging)
{
Repaint();
}
break;
}
}
}
// Get the current event
Event current = Event.current;
var activeFsm = BehaviourWindow.activeFsm; // cached activeFsm
switch (current.type)
{
// Show context menu?
case EventType.ContextClick:
OnContextMenu();
Event.current.Use();
break;
case EventType.MouseDown:
// If the left mouse button is down then unselect the state and start the dragging rect
if (current.button == 0)
{
BehaviourWindow.activeState = null;
EditorGUIUtility.hotControl = 0;
GUIUtility.keyboardControl = 0;
if (!current.alt && !current.shift)
{
m_SelectionStartPoint = current.mousePosition;
m_SelectionRect = true;
}
current.Use();
}
break;
// Event ignored?
case EventType.Ignore:
// Cancel selection rect?
if (m_SelectionRect)
{
goto case EventType.MouseUp;
}
break;
// Cancel selection rect?
case EventType.MouseUp:
if (m_SelectionRect)
{
m_SelectionRect = false;
GUIUtility.hotControl = 0;
SelectNodesInRect(GetRectFromPoints(m_SelectionStartPoint, current.mousePosition));
current.Use();
}
break;
// Selection rect?
case EventType.MouseDrag:
if (m_SelectionRect)
{
current.Use();
}
else if (current.button == 2)
{
m_ScrollView -= current.delta;
current.Use();
}
break;
// Delete selected states?
case EventType.ValidateCommand:
// Use event to call event ExecuteCommand
if (current.commandName == "Paste" && activeFsm != null && StateUtility.statesToPaste != null && StateUtility.statesToPaste.Length > 0)
{
current.Use();
}
else if (current.commandName == "Copy" && activeFsm != null && Selection.objects.Length > 0)
{
current.Use();
}
else if (current.commandName == "Duplicate" && activeFsm != null)
{
// Is there a selected state?
foreach (var obj in Selection.objects)
{
if (obj is InternalStateBehaviour)
{
current.Use();
break;
}
}
}
else if ((current.commandName == "Delete" || current.commandName == "SoftDelete") && BehaviourWindow.activeState != null)
{
current.Use();
}
break;
case EventType.ExecuteCommand:
if (current.commandName == "Paste")
{
StateUtility.PasteStates(activeFsm);
}
else if (current.commandName == "Copy")
{
StateUtility.CopySelectedStates();
}
else if (current.commandName == "Duplicate")
{
StateUtility.CopySelectedStates();
StateUtility.PasteStates(activeFsm);
}
else if (current.commandName == "Delete" || current.commandName == "SoftDelete")
{
foreach (InternalStateBehaviour state in Selection.objects)
{
StateUtility.Destroy(state);
}
Refresh();
current.Use();
}
break;
// Dragging?
case EventType.DragUpdated:
if (DragAndDrop.objectReferences.Length > 0 && DragAndDrop.objectReferences[0] is MonoScript && BehaviourWindow.activeFsm != null)
{
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
}
break;
// Drag perform?
case EventType.DragPerform:
if (DragAndDrop.objectReferences.Length > 0 && DragAndDrop.objectReferences[0] is MonoScript && BehaviourWindow.activeFsm != null)
{
var index = 0; // index of added states
var mousePosition = current.mousePosition - new Vector2(StateGUI.defaultWidth, StateGUI.defaultHeight) * .5f;
// Register undo
#if UNITY_4_0_0 || UNITY_4_1 || UNITY_4_2
Undo.RegisterSceneUndo("Add States");
#endif
// Get all GetScripts
var scripts = new List <MonoScript>();
foreach (var obj in DragAndDrop.objectReferences)
{
var script = obj as MonoScript;
if (script != null)
{
scripts.Add(script);
}
}
// Go trough all monoscripts
foreach (MonoScript monoScript in scripts)
{
var type = monoScript.GetClass();
// The type is a valid InternalStateBehaviour instance?
if (type != null && !type.IsAbstract)
{
// Add state behaviour
if (type.IsSubclassOf(typeof(InternalStateBehaviour)))
{
var newState = StateUtility.AddState(activeFsm, type);
// The state is valid?
if (newState != null)
{
// Set the newState position
newState.position = mousePosition + new Vector2(StateGUI.defaultWidth * index * .5f, 20f * index);
index++;
}
}
// Add mono state
else if (type.IsSubclassOf(typeof(MonoBehaviour)))
{
var newMonoState = StateUtility.AddState(activeFsm, typeof(InternalMonoState)) as InternalMonoState;
// Set the newMonoState position
if (newMonoState != null)
{
// Set mono state position
newMonoState.position = mousePosition + new Vector2(StateGUI.defaultWidth * index * .5f, 20f * index);
index++;
newMonoState.monoBehaviour = newMonoState.gameObject.AddComponent(type) as MonoBehaviour;
// Register undo
#if !UNITY_4_0_0 && !UNITY_4_1 && !UNITY_4_2
if (newMonoState.monoBehaviour != null)
{
Undo.RegisterCreatedObjectUndo(newMonoState.monoBehaviour, "Add Component");
}
#endif
}
}
}
}
// Sets dirty flag
if (activeFsm.gameObject != null)
{
EditorUtility.SetDirty(activeFsm.gameObject);
}
// Accept drag
DragAndDrop.AcceptDrag();
current.Use();
Refresh();
}
break;
// Draw the selection rect?
case EventType.Repaint:
if (m_SelectionRect)
{
s_Styles.selectionRect.Draw(GetRectFromPoints(m_SelectionStartPoint, current.mousePosition), false, false, false, false);
}
break;
}
GUI.EndScrollView(); // Close scroolView.
GUI.EndGroup(); // Close group
}
/// <summary>
/// Shows the context menu.
/// </summary>
protected virtual void OnContextMenu()
{
// Create the menu
var menu = new UnityEditor.GenericMenu();
if (m_State != null)
{
// Set as start state
if (m_State.fsm != null && !(m_State is InternalAnyState))
{
menu.AddItem(new GUIContent("Set as Start"), false, delegate() { StateUtility.SetAsStart(m_State); this.Refresh(); });
}
else
{
menu.AddDisabledItem(new GUIContent("Set as Start"));
}
// Set as concurrent state
if (m_State.fsm != null && !(m_State is InternalAnyState))
{
if (m_IsConcurrent)
{
menu.AddItem(new GUIContent("Set as Not Concurrent"), false, delegate() { StateUtility.RemoveConcurrentState(m_State.fsm); this.Refresh(); });
}
else
{
menu.AddItem(new GUIContent("Set as Concurrent"), false, delegate() { StateUtility.SetAsConcurrent(m_State); this.Refresh(); });
}
}
else
{
menu.AddDisabledItem(new GUIContent("Set as Concurrent"));
}
// Set as enabled
if (m_State.fsm != null /*&& m_State.fsm.enabled*/ && Application.isPlaying && !(m_State is InternalAnyState))
{
menu.AddItem(new GUIContent("Set as Enabled"), false, delegate() { m_State.enabled = true; });
}
else
{
menu.AddDisabledItem(new GUIContent("Set as Enabled"));
}
// Add Transitions
// Add none
menu.AddItem(new GUIContent("Add Transition/None"), false, delegate() { StateUtility.AddTransition(m_State, 0); CreateTransitionGUIs(); });
// Add blackboard events
var blackboard = m_State.blackboard;
if (blackboard != null)
{
foreach (var fsmEvent in blackboard.fsmEvents)
{
int eventId = fsmEvent.id;
menu.AddItem(new GUIContent("Add Transition/" + fsmEvent.name), false, delegate() { StateUtility.AddTransition(m_State, eventId); CreateTransitionGUIs(); });
}
}
// Add GlobalBlackboard events
// This is not The GlobalBlackboard?
if (InternalGlobalBlackboard.Instance != null && blackboard != InternalGlobalBlackboard.Instance)
{
foreach (var globalEvent in InternalGlobalBlackboard.Instance.fsmEvents)
{
int eventId = globalEvent.id;
var eventName = globalEvent.isSystem ? "Add Transition/System/" + globalEvent.name : "Add Transition/Global/" + globalEvent.name;
menu.AddItem(new GUIContent(eventName), false, delegate() { StateUtility.AddTransition(m_State, eventId); CreateTransitionGUIs(); });
}
}
// Separator
menu.AddSeparator("");
// Copy
menu.AddItem(new GUIContent("Copy State"), false, delegate() { StateUtility.CopySelectedStates(); });
// Paste
if (StateUtility.statesToPaste != null && StateUtility.statesToPaste.Length > 0 && m_State.fsm != null)
{
menu.AddItem(new GUIContent("Paste State"), false, delegate() { StateUtility.PasteStates(m_State.fsm); });
}
else
{
menu.AddDisabledItem(new GUIContent("Paste State"));
}
// Duplicate
if (m_State.fsm != null)
{
menu.AddItem(new GUIContent("Duplicate State"), false, delegate()
{
var statesToPaste = new List <InternalStateBehaviour>(BehaviourWindow.activeStates);
if (!statesToPaste.Contains(m_State))
{
statesToPaste.Add(m_State);
}
StateUtility.CloneStates(m_State.gameObject, statesToPaste.ToArray(), m_State.fsm);
}
);
}
else
{
menu.AddDisabledItem(new GUIContent("Duplicate State"));
}
// Separator
menu.AddSeparator("");
// Delete
menu.AddItem(new GUIContent("Delete"), false, delegate() { StateUtility.Destroy(m_State); this.Refresh(); });
}
else
{
menu.AddDisabledItem(new GUIContent("Set as Start"));
menu.AddDisabledItem(new GUIContent("Set as Enabled"));
menu.AddDisabledItem(new GUIContent("Add Transition"));
menu.AddSeparator("");
menu.AddDisabledItem(new GUIContent("Copy State"));
menu.AddDisabledItem(new GUIContent("Paste State"));
menu.AddSeparator("");
menu.AddDisabledItem(new GUIContent("Delete"));
}
// Show the context menu
menu.ShowAsContext();
}