/************************************************************************************************************************/
/// <summary>[<see cref="IDisposable"/>]
/// Reduces the <see cref="Callbacks"/> array size to remove any empty elements.
/// </summary>
public void Dispose()
{
if (_TimeCount == 1 && _CallbackCount == 0 && float.IsNaN(GetTime(0).floatValue))
{
Times.arraySize = 0;
}
else
{
var callbackCount = _CallbackCount;
if (callbackCount > _TimeCount)
{
callbackCount = _TimeCount;
}
while (callbackCount > 0)
{
var callbackProperty = GetCallback(callbackCount - 1);
var callback = Serialization.GetValue(callbackProperty);
if (callback != null && EventSequence.HasPersistentCalls(callback))
{
break;
}
else
{
callbackCount--;
}
}
if (callbackCount != _CallbackCount)
{
Callbacks.arraySize = callbackCount;
}
}
if (EditorGUI.EndChangeCheck())
{
Property.serializedObject.ApplyModifiedProperties();
}
Property = null;
}
/************************************************************************************************************************/
/// <summary>Draws the GUI fields for the event at the specified `index`.</summary>
public static void DoCallbackGUI(ref Rect area, Context context, int index, bool autoSort, string callbackLabel)
{
EditorGUI.BeginChangeCheck();
using (ObjectPool.Disposable.AcquireContent(out var label, callbackLabel))
{
if (index < context.Callbacks.Count)
{
var callback = context.Callbacks.GetElement(index);
area.height = EditorGUI.GetPropertyHeight(callback, false);
EditorGUI.BeginProperty(area, GUIContent.none, callback);
// UnityEvents ignore the proper indentation which makes them look terrible in a list.
// So we force the area to be indented.
var indentedArea = EditorGUI.IndentedRect(area);
var indentLevel = EditorGUI.indentLevel;
EditorGUI.indentLevel = 0;
EditorGUI.PropertyField(indentedArea, callback, label, false);
EditorGUI.indentLevel = indentLevel;
EditorGUI.EndProperty();
}
else if (DummySerializableCallback.DoCallbackGUI(ref area, label, context.Callbacks.Property, out var callback))
{
try
{
Sequence.DisableCompactArrays = true;
if (index >= context.Times.Count)
{
context.Times.Property.InsertArrayElementAtIndex(index);
context.Times.Count++;
context.Times.GetElement(index).floatValue = float.NaN;
context.Times.Property.serializedObject.ApplyModifiedProperties();
}
context.Callbacks.Property.ForEachTarget((callbacksProperty) =>
{
var accessor = callbacksProperty.GetAccessor();
var oldCallbacks = (Array)accessor.GetValue(callbacksProperty.serializedObject.targetObject);
Array newCallbacks;
if (oldCallbacks == null)
{
var elementType = accessor.GetFieldElementType(callbacksProperty);
newCallbacks = Array.CreateInstance(elementType, 1);
}
else
{
var elementType = oldCallbacks.GetType().GetElementType();
newCallbacks = Array.CreateInstance(elementType, index + 1);
Array.Copy(oldCallbacks, newCallbacks, oldCallbacks.Length);
}
newCallbacks.SetValue(callback, index);
accessor.SetValue(callbacksProperty, newCallbacks);
});
context.Callbacks.Property.OnPropertyChanged();
context.Callbacks.Refresh();
}
finally
{
Sequence.DisableCompactArrays = false;
}
}
}
if (EditorGUI.EndChangeCheck())
{
if (index < context.Callbacks.Count)
{
var events = context.Sequence?.InitializedEvents;
if (events != null)
{
var animancerEvent = index < events.Count ? events[index] : events.endEvent;
if (AnimancerEvent.IsNullOrDummy(animancerEvent.callback))
{
context.Callbacks.Property.serializedObject.ApplyModifiedProperties();
var property = context.Callbacks.GetElement(index);
var callback = property.GetValue();
var invoker = Sequence.GetInvoker(callback);
if (index < events.Count)
{
events.SetCallback(index, invoker);
}
else
{
events.OnEnd = invoker;
}
}
}
}
}
AnimancerGUI.NextVerticalArea(ref area);
}