// This method is called when the user clicks the remove behaviour button
void RemoveBehaviour(CompositeBehaviour cb)
{
// We know the array wont be null, as the button would not appear
int oldCount = cb.behaviours.Length;
// If there is only one behaviour, we can just clear it out:
if (oldCount == 1)
{
cb.behaviours = null;
cb.weights = null;
return;
}
// If array is empty we will start with 1 item
FlockBehaviour[] newBehaviours = new FlockBehaviour[oldCount - 1];
// Create new array
float[] newWeights = new float[oldCount - 1];
// Iterate through and add the original values
for (int i = 0; i < oldCount - 1; i++)
{
newBehaviours[i] = cb.behaviours[i];
newWeights[i] = cb.weights[i];
}
// We do not need to assign anything to newWeights here because it has already been assigned
cb.behaviours = newBehaviours;
cb.weights = newWeights;
}
private void RemoveBehavior(CompositeBehaviour cb)
{
int oldCount = cb.behaviours.Length;
if (oldCount == 1)
{
cb.behaviours = null;
cb.weights = null;
return;
}
else
{
FlockBehaviour[] newBehaviors = new FlockBehaviour[oldCount - 1];
float[] newWeights = new float[oldCount - 1];
for (int i = 0; i < oldCount - 1; i++)
{
newBehaviors[i] = cb.behaviours[i];
newWeights[i] = cb.weights[i];
}
cb.behaviours = newBehaviors;
cb.weights = newWeights;
}
}
private void RenderBehaviourTree(Graphics graphics, int depth, CompositeBehaviour <BtContext> obj)
{
RenderInternal(graphics, depth, obj);
var childDepth = depth + 1;
foreach (var child in obj.Children)
{
RenderBehaviourTree(graphics, childDepth, child);
}
}
private void VisitChildren(CompositeBehaviour <TContext> obj)
{
_depth++;
foreach (var child in obj.Children)
{
child.Accept(this);
}
_depth--;
}
public override void OnInspectorGUI()
{
CompositeBehaviour cb = (CompositeBehaviour)target;
if (cb.behaviours == null || cb.behaviours.Length == 0)
{
EditorGUILayout.BeginHorizontal();
EditorGUILayout.HelpBox("No behaviours in array.", MessageType.Warning);
EditorGUILayout.EndHorizontal();
}
else
{
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("Element", GUILayout.MinWidth(60f), GUILayout.MaxWidth(60f));
EditorGUILayout.LabelField("Behaviours", GUILayout.MinWidth(60f), GUILayout.MaxWidth(60f));
EditorGUILayout.LabelField("Weights", GUILayout.MinWidth(180f), GUILayout.MaxWidth(240f));
EditorGUILayout.EndHorizontal();
EditorGUI.BeginChangeCheck();
for (int i = 0; i < cb.behaviours.Length; i++)
{
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField(i.ToString(), GUILayout.MinWidth(60f), GUILayout.MaxWidth(60f));
cb.behaviours[i] = (FlockBehaviour)EditorGUILayout.ObjectField(cb.behaviours[i], typeof(FlockBehaviour), false, GUILayout.MinWidth(60f));
cb.weights[i] = EditorGUILayout.FloatField(cb.weights[i], GUILayout.MinWidth(60f), GUILayout.MaxWidth(60f));
EditorGUILayout.EndHorizontal();
}
if (EditorGUI.EndChangeCheck())
{
EditorUtility.SetDirty(cb);
}
}
EditorGUILayout.BeginHorizontal();
if (GUILayout.Button("Add Behaviour"))
{
AddBehaviour(cb);
EditorUtility.SetDirty(cb);
}
if (cb.behaviours != null && cb.behaviours.Length > 0)
{
if (GUILayout.Button("Remove Behaviour"))
{
RemoveBehaviour(cb);
EditorUtility.SetDirty(cb);
}
}
EditorGUILayout.EndHorizontal();
}
private static string GetExpression(CompositeBehaviour <TContext> obj, int depth)
{
var expression = InternalGetExpression(obj, depth);
var childDepth = depth + 1;
foreach (var child in obj.Children)
{
expression += GetExpression(child, childDepth);
}
return(expression);
}
// 重置子节点
public virtual void Reset()
{
childIndex = 0;
CompositeBehaviour node = null;
for (int i = 0; i < children.Count; i++)
{
node = children[i] as CompositeBehaviour;
if (node != null)
{
node.Reset();
}
}
}
void AddBehavior(CompositeBehaviour cb)
{
int oldCount = (cb.behaviours != null) ? cb.behaviours.Length : 0;
FlockBehaviour[] newBehaviors = new FlockBehaviour[oldCount + 1];
float[] newWeights = new float[oldCount + 1];
for (int i = 0; i < oldCount; i++)
{
newBehaviors[i] = cb.behaviours[i];
newWeights[i] = cb.weights[i];
}
newWeights[oldCount] = 1f;
cb.behaviours = newBehaviors;
cb.weights = newWeights;
}
// This method is called when the user clicks the add behaviour button
void AddBehaviour(CompositeBehaviour cb)
{
// Get original size of the array
int oldCount = (cb.behaviours != null) ? cb.behaviours.Length : 0;
// If array is empty we will start with 1 item
FlockBehaviour[] newBehaviours = new FlockBehaviour[oldCount + 1];
// Create new array
float[] newWeights = new float[oldCount + 1];
// Iterate through and add the original values
for (int i = 0; i < oldCount; i++)
{
newBehaviours[i] = cb.behaviours[i];
newWeights[i] = cb.weights[i];
}
// newWeights can't be zero otherwise new behaviours can't take effect
// The user would think something has gone wrong if we don't set it to 1f:
newWeights[oldCount] = 1f;
cb.behaviours = newBehaviours;
cb.weights = newWeights;
}
void RemoveBehaviour(CompositeBehaviour compositeBehaviour)
{
int oldCount = compositeBehaviour.behaviour.Length;
if (oldCount == 1)
{
compositeBehaviour.behaviour = null;
compositeBehaviour.weights = null;
return;
}
FlockBehaviour[] newBehaviours = new FlockBehaviour[oldCount - 1];
float[] newWeights = new float[oldCount - 1];
for (int i = 0; i < oldCount - 1; i++)
{
newBehaviours[i] = compositeBehaviour.behaviour[i];
newWeights[i] = compositeBehaviour.weights[i];
}
compositeBehaviour.behaviour = newBehaviours;
compositeBehaviour.weights = newWeights;
}
/// <summary>
/// Editor stuff for each array field and allows for array changes
/// </summary>
public override void OnInspectorGUI()
{
CompositeBehaviour cb = (CompositeBehaviour)target;
if (cb.behaviours == null || cb.behaviours.Length == 0)
{
if (GUILayout.Button("Add Behaviour"))
{
//Add behaviour
AddBehaviour(cb);
//ensures changes are saved
EditorUtility.SetDirty(cb);
}
}
else
{
//sets up the fields for each behaviour
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("Number", GUILayout.MinWidth(60f), GUILayout.MaxWidth(60f));
EditorGUILayout.LabelField("Behaviors", GUILayout.MinWidth(60f));
EditorGUILayout.LabelField("Weights", GUILayout.MinWidth(60f), GUILayout.MaxWidth(60f));
EditorGUILayout.EndHorizontal();
//check for changes
EditorGUI.BeginChangeCheck();
//sets up the visuals for each array
for (int i = 0; i < cb.behaviours.Length; i++)
{
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField(i.ToString(), GUILayout.MinWidth(60f), GUILayout.MaxWidth(60f));
cb.behaviours[i] = (FlockBehaviour)EditorGUILayout.ObjectField(cb.behaviours[i],
typeof(FlockBehaviour), false, GUILayout.MinWidth(60f));
cb.weights[i] =
EditorGUILayout.FloatField(cb.weights[i], GUILayout.MinWidth(60f), GUILayout.MaxWidth(60f));
EditorGUILayout.EndHorizontal();
}
if (EditorGUI.EndChangeCheck())
{
EditorUtility.SetDirty(cb);
}
EditorGUILayout.EndHorizontal();
//adding move behaviours
EditorGUILayout.BeginHorizontal();
if (GUILayout.Button("Add Behaviour"))
{
//Add behaviour
AddBehaviour(cb);
//ensures changes are saved
EditorUtility.SetDirty(cb);
}
//removes behaviour
if (cb.behaviours != null || cb.behaviours.Length > 0)
{
if (GUILayout.Button("Remove Behaviour"))
{
//Remove Behaviour
RemoveBehaviour(cb);
//ensures changes are saved
EditorUtility.SetDirty(cb);
}
}
}
}
public override void OnInspectorGUI()
{
CompositeBehaviour cb = (CompositeBehaviour)target;
Rect r = EditorGUILayout.BeginHorizontal();
r.height = EditorGUIUtility.singleLineHeight;
//check for behaviors
if (cb.behaviours == null || cb.behaviours.Length == 0)
{
EditorGUILayout.HelpBox("No behaviors in array.", MessageType.Warning);
EditorGUILayout.EndHorizontal();
r = EditorGUILayout.BeginHorizontal();
r.height = EditorGUIUtility.singleLineHeight;
}
else
{
r.x = 30f;
r.width = EditorGUIUtility.currentViewWidth - 95f;
EditorGUI.LabelField(r, "Behaviors");
r.x = EditorGUIUtility.currentViewWidth - 65f;
r.width = 60f;
EditorGUI.LabelField(r, "Weights");
r.y += EditorGUIUtility.singleLineHeight * 1.2f;
EditorGUI.BeginChangeCheck();
for (int i = 0; i < cb.behaviours.Length; i++)
{
r.x = 5f;
r.width = 20f;
EditorGUI.LabelField(r, i.ToString());
r.x = 30f;
r.width = EditorGUIUtility.currentViewWidth - 95f;
cb.behaviours[i] = (FlockBehaviour)EditorGUI.ObjectField(r, cb.behaviours[i], typeof(FlockBehaviour), false);
r.x = EditorGUIUtility.currentViewWidth - 65f;
r.width = 60f;
cb.weights[i] = EditorGUI.FloatField(r, cb.weights[i]);
r.y += EditorGUIUtility.singleLineHeight * 1.1f;
}
if (EditorGUI.EndChangeCheck())
{
EditorUtility.SetDirty(cb);
}
}
EditorGUILayout.EndHorizontal();
r.x = 5f;
r.width = EditorGUIUtility.currentViewWidth - 10f;
r.y += EditorGUIUtility.singleLineHeight * 0.5f;
if (GUI.Button(r, "Add Behavior"))
{
AddBehavior(cb);
EditorUtility.SetDirty(cb);
}
r.y += EditorGUIUtility.singleLineHeight * 1.5f;
if (cb.behaviours != null && cb.behaviours.Length > 0)
{
if (GUI.Button(r, "Remove Behavior"))
{
RemoveBehavior(cb);
EditorUtility.SetDirty(cb);
}
}
}
public override void OnInspectorGUI()
{
#region Setup
// Here we cast target, this is an object (in the inspector), directly to composite behaviour so we can access it's variables etc.
CompositeBehaviour cb = (CompositeBehaviour)target;
#endregion
EditorGUILayout.BeginHorizontal();
// Check for behaviours
// If there are no behaviours or the array is empty
if (cb.behaviours == null || cb.behaviours.Length == 0)
{
// Display error message on it's own line
EditorGUILayout.HelpBox("No behaviours in array.", MessageType.Warning);
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
}
else
{
// If there are behaviours (whole reason of this script!)
// Each one of these simple creates a label field with a min width and max width
// These two widths mean that even if the inspector window is resized, the text will remain where we it want
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("Number", GUILayout.MinWidth(60f), GUILayout.MaxWidth(60f));
EditorGUILayout.LabelField("Behaviours", GUILayout.MinWidth(60f));
EditorGUILayout.LabelField("Weights", GUILayout.MinWidth(60f), GUILayout.MaxWidth(60f));
EditorGUILayout.EndHorizontal();
// Set save checker
// This checks for any inputs
EditorGUI.BeginChangeCheck();
// Display each behaviour:
for (int i = 0; i < cb.behaviours.Length; i++)
{
EditorGUILayout.BeginHorizontal();
// Make each item a string
EditorGUILayout.LabelField(i.ToString(), GUILayout.MinWidth(60f), GUILayout.MaxWidth(60f));
//EditorGUILayout.BeginHorizontal();
// Show a field for the behaviours
// False means we wont take any objects that come from the scene - we want only scriptable objects
cb.behaviours[i] = (FlockBehaviour)EditorGUILayout.ObjectField(cb.behaviours[i], typeof(FlockBehaviour), false, GUILayout.MinWidth(60f));
// Do the same for the weights:
cb.weights[i] = EditorGUILayout.FloatField(cb.weights[i], GUILayout.MinWidth(60f), GUILayout.MaxWidth(60f));
EditorGUILayout.EndHorizontal();
}
// End the change check
// This just means that any altered behaviours/weights will be updated as appropriate
if (EditorGUI.EndChangeCheck())
{
EditorUtility.SetDirty(cb);
}
}
EditorGUILayout.EndHorizontal();
if (GUILayout.Button("Add Behaviour"))
{
// Add behaviour
AddBehaviour(cb);
// Let Unity know this scriptable object has been changed and needs to be saved
EditorUtility.SetDirty(cb);
}
// We only want the add button to appear if there are behaviours to remove
if (cb.behaviours != null && cb.behaviours.Length > 0)
{
if (GUILayout.Button("Remove Behaviour"))
{
// Remove behaviour
RemoveBehaviour(cb);
// Let unity know this scriptable object has been changed and needs to be saved
EditorUtility.SetDirty(cb);
}
}
}
public void Visit(CompositeBehaviour <TContext> obj)
{
PrintNode(obj);
VisitChildren(obj);
}