/// <summary>Calculates the number of lines required to draw the contents of the `events`.</summary>
public int CalculateLineCount(Sequence events)
{
if (events == null)
{
return(0);
}
if (!_IsExpanded)
{
return(1);
}
var count = 1;
for (int i = 0; i < events.Count; i++)
{
count++;
count += CalculateLineCount(events[i].callback);
}
count++;
count += CalculateLineCount(events.endEvent.callback);
return(count);
}
/// <summary>Returns a summary of the `events`.</summary>
public static string GetSummary(Sequence events)
{
var cache =
float.IsNaN(events.endEvent.normalizedTime) &&
AnimancerEvent.IsNullOrDummy(events.endEvent.callback)
? SummaryCache : EndSummaryCache;
return(cache.Convert(events.Count));
}
/// <summary>Returns a cached <see cref="EventSequenceDrawer"/> for the `events`.</summary>
/// <remarks>
/// The cache uses a <see cref="ConditionalWeakTable{TKey, TValue}"/> so it doesn't prevent the `events`
/// from being garbage collected.
/// </remarks>
public static EventSequenceDrawer Get(Sequence events)
{
if (events == null)
{
return(null);
}
if (!SequenceToDrawer.TryGetValue(events, out var drawer))
{
SequenceToDrawer.Add(events, drawer = new EventSequenceDrawer());
}
return(drawer);
}
/************************************************************************************************************************/
/// <summary>Draws the GUI for the `events`.</summary>
public void Draw(ref Rect area, Sequence events, GUIContent label)
{
if (events == null)
{
return;
}
area.height = AnimancerGUI.LineHeight;
var headerArea = area;
const string LogLabel = "Log";
if (float.IsNaN(_LogButtonWidth))
{
_LogButtonWidth = EditorStyles.miniButton.CalculateWidth(LogLabel);
}
var logArea = AnimancerGUI.StealFromRight(ref headerArea, _LogButtonWidth);
if (GUI.Button(logArea, LogLabel, EditorStyles.miniButton))
{
Debug.Log(events.DeepToString());
}
_IsExpanded = EditorGUI.Foldout(headerArea, _IsExpanded, GUIContent.none, true);
using (ObjectPool.Disposable.AcquireContent(out var summary, GetSummary(events)))
EditorGUI.LabelField(headerArea, label, summary);
AnimancerGUI.NextVerticalArea(ref area);
if (!_IsExpanded)
{
return;
}
var enabled = GUI.enabled;
GUI.enabled = false;
EditorGUI.indentLevel++;
for (int i = 0; i < events.Count; i++)
{
var name = events.GetName(i);
if (string.IsNullOrEmpty(name))
{
if (_EventNumberCache == null)
{
_EventNumberCache = new ConversionCache <int, string>((index) => $"Event {index}");
}
name = _EventNumberCache.Convert(i);
}
Draw(ref area, name, events[i]);
}
Draw(ref area, "End Event", events.endEvent);
EditorGUI.indentLevel--;
GUI.enabled = enabled;
}
/************************************************************************************************************************/
/// <summary>Calculates the number of vertical pixels required to draw the contents of the `events`.</summary>
public float CalculateHeight(Sequence events)
=> CalculateHeight(CalculateLineCount(events));
