/************************************************************************************************************************/
private void RepaintEventsGUI(SerializableEventSequenceDrawer.Context context)
{
var color = GUI.color;
for (int i = 0; i < EventTimes.Count; i++)
{
var currentColor = color;
// Read Only: currentColor *= new Color(0.9f, 0.9f, 0.9f, 0.5f * alpha);
if (context.SelectedEvent == i)
{
currentColor *= SelectedEventColor;
}
else
{
currentColor *= UnselectedEventColor;
}
if (i == EventTimes.Count - 1 && !_HasEndTime)
{
currentColor.a *= 0.65f;
}
GUI.color = currentColor;
var area = GetEventIconArea(i);
GUI.DrawTexture(area, EventIcon);
}
GUI.color = color;
}
/************************************************************************************************************************/
/// <summary>Snaps the `seconds` value to the nearest multiple of the <see cref="AnimationClip.frameRate"/>.</summary>
public void SnapToFrameRate(SerializableEventSequenceDrawer.Context context, ref float seconds)
{
if (AnimancerUtilities.TryGetFrameRate(context.TransitionContext.Transition, out var frameRate))
{
seconds = AnimancerUtilities.Round(seconds, 1f / frameRate);
}
}
/************************************************************************************************************************/
#region Events
/************************************************************************************************************************/
private void GatherEventTimes(SerializableEventSequenceDrawer.Context context)
{
EventTimes.Clear();
if (context.Times.Count > 0)
{
var depth = context.Times.Property.depth;
var time = context.Times.GetElement(0);
while (time.depth > depth)
{
EventTimes.Add(time.floatValue * _Duration);
time.Next(false);
}
_EndTime = EventTimes[EventTimes.Count - 1];
if (!float.IsNaN(_EndTime))
{
_HasEndTime = true;
return;
}
}
_EndTime = AnimancerEvent.Sequence.GetDefaultNormalizedEndTime(_Speed) * _Duration;
_HasEndTime = false;
if (EventTimes.Count == 0)
{
EventTimes.Add(_EndTime);
}
else
{
EventTimes[EventTimes.Count - 1] = _EndTime;
}
}
/************************************************************************************************************************/
private void OnMouseUp(Event currentEvent, SerializableEventSequenceDrawer.Context context)
{
if (currentEvent.button == 1 &&
_Area.Contains(currentEvent.mousePosition))
{
ShowContextMenu(currentEvent, context);
currentEvent.Use();
}
}
/************************************************************************************************************************/
private static void RoundEventTime(SerializableEventSequenceDrawer.Context context)
{
var index = context.SelectedEvent;
var time = context.Times.GetElement(index);
var value = time.floatValue;
if (TryRoundValue(ref value))
{
time.floatValue = value;
SerializableEventSequenceDrawer.SyncEventTimeChange(context, index, value);
}
}
/************************************************************************************************************************/
private static void AddContextFunction(
GenericMenu menu, SerializableEventSequenceDrawer.Context context, string label, bool enabled, Action function)
{
menu.AddFunction(label, enabled, () =>
{
using (context.SetAsCurrent())
{
function();
GUI.changed = true;
}
});
}
/************************************************************************************************************************/
private void SetPreviewTime(SerializableEventSequenceDrawer.Context context, Event currentEvent)
{
if (_Duration > 0)
{
var seconds = PixelsToSeconds(currentEvent.mousePosition.x);
if (currentEvent.control)
{
SnapToFrameRate(context, ref seconds);
}
TransitionPreviewWindow.PreviewNormalizedTime = seconds / _Duration;
}
}
/************************************************************************************************************************/
private void NudgeEventTime(SerializableEventSequenceDrawer.Context context, float offsetPixels)
{
var index = context.SelectedEvent;
var time = context.Times.GetElement(index);
var value = time.floatValue;
value = NormalizedToSeconds(value);
value = SecondsToPixels(value);
value += offsetPixels;
value = PixelsToSeconds(value);
value = SecondsToNormalized(value);
time.floatValue = value;
SerializableEventSequenceDrawer.SyncEventTimeChange(context, index, value);
}
/************************************************************************************************************************/
private void OnMouseDown(Event currentEvent, SerializableEventSequenceDrawer.Context context, ref float addEventNormalizedTime)
{
if (!_Area.Contains(currentEvent.mousePosition))
{
return;
}
var selectedEventControlID = 0;
var selectedEvent = -1;
for (int i = 0; i < EventControlIDs.Count; i++)
{
var area = i < EventTimes.Count ? GetEventIconArea(i) : _Area;
if (area.Contains(currentEvent.mousePosition))
{
selectedEventControlID = EventControlIDs[i];
selectedEvent = i;
break;
}
}
GUIUtility.hotControl = GUIUtility.keyboardControl = selectedEventControlID;
if (selectedEvent < 0 || selectedEvent >= EventTimes.Count)
{
SetPreviewTime(context, currentEvent);
selectedEvent = -1;
}
if (currentEvent.type == EventType.MouseDown &&
currentEvent.clickCount == 2)
{
addEventNormalizedTime = PixelsToSeconds(currentEvent.mousePosition.x);
addEventNormalizedTime = SecondsToNormalized(addEventNormalizedTime);
}
context.SelectedEvent = selectedEvent;
currentEvent.Use();
}
/************************************************************************************************************************/
private void ShowContextMenu(Event currentEvent, SerializableEventSequenceDrawer.Context context)
{
context = context.Copy();
var time = SecondsToNormalized(PixelsToSeconds(currentEvent.mousePosition.x));
var hasSelectedEvent = context.SelectedEvent >= 0;
var menu = new GenericMenu();
AddContextFunction(menu, context, "Add Event (Double Click)", true,
() => SerializableEventSequenceDrawer.AddEvent(context, time));
AddContextFunction(menu, context, "Remove Event (Delete)", hasSelectedEvent,
() => SerializableEventSequenceDrawer.RemoveEvent(context, context.SelectedEvent));
const string NudgePrefix = "Nudge Event Time/";
AddContextFunction(menu, context, NudgePrefix + "Left 1 Pixel (Left Arrow)", hasSelectedEvent,
() => NudgeEventTime(context, -1));
AddContextFunction(menu, context, NudgePrefix + "Left 10 Pixels (Shift + Left Arrow)", hasSelectedEvent,
() => NudgeEventTime(context, -10));
AddContextFunction(menu, context, NudgePrefix + "Right 1 Pixel (Right Arrow)", hasSelectedEvent,
() => NudgeEventTime(context, 1));
AddContextFunction(menu, context, NudgePrefix + "Right 10 Pixels (Shift + Right Arrow)", hasSelectedEvent,
() => NudgeEventTime(context, 10));
var canRoundTime = hasSelectedEvent;
if (canRoundTime)
{
time = context.Times.GetElement(context.SelectedEvent).floatValue;
canRoundTime = TryRoundValue(ref time);
}
AddContextFunction(menu, context, $"Round Event Time to {time}x (Space)", canRoundTime,
() => RoundEventTime(context));
menu.ShowAsContext();
}
/// <summary>Draws the details of the <see cref="SerializableEventSequenceDrawer.Context.Callbacks"/>.</summary>
private void DoEventsGUI(SerializableEventSequenceDrawer.Context context, out float addEventNormalizedTime)
{
addEventNormalizedTime = float.NaN;
var currentEvent = Event.current;
EventControlIDs.Clear();
var selectedEventControlID = -1;
var baseControlID = GUIUtility.GetControlID(EventHash - 1, FocusType.Passive);
for (int i = 0; i < EventTimes.Count; i++)
{
var controlID = GUIUtility.GetControlID(EventHash + i, FocusType.Keyboard);
EventControlIDs.Add(controlID);
if (context.SelectedEvent == i)
{
selectedEventControlID = controlID;
}
}
EventControlIDs.Add(baseControlID);
switch (currentEvent.type)
{
case EventType.Repaint:
RepaintEventsGUI(context);
break;
case EventType.MouseDown:
OnMouseDown(currentEvent, context, ref addEventNormalizedTime);
break;
case EventType.MouseUp:
OnMouseUp(currentEvent, context);
break;
case EventType.MouseDrag:
if (_Duration <= 0)
{
break;
}
var hotControl = GUIUtility.hotControl;
if (hotControl == baseControlID)
{
SetPreviewTime(context, currentEvent);
GUIUtility.ExitGUI();
}
else
{
for (int i = 0; i < EventTimes.Count; i++)
{
if (hotControl == EventControlIDs[i])
{
if (context.Times.Count < 1)
{
context.Times.Count = 1;
}
var seconds = PixelsToSeconds(currentEvent.mousePosition.x);
if (currentEvent.control)
{
SnapToFrameRate(context, ref seconds);
}
var timeProperty = context.Times.GetElement(i);
var normalizedTime = seconds / _Duration;
timeProperty.floatValue = normalizedTime;
SerializableEventSequenceDrawer.SyncEventTimeChange(context, i, normalizedTime);
timeProperty.serializedObject.ApplyModifiedProperties();
timeProperty.serializedObject.Update();
GUIUtility.hotControl = EventControlIDs[context.SelectedEvent];
GUI.changed = true;
SetPreviewTime(context, currentEvent);
GUIUtility.ExitGUI();
}
}
}
break;
case EventType.KeyUp:
if (GUIUtility.keyboardControl != selectedEventControlID)
{
break;
}
var exitGUI = false;
switch (currentEvent.keyCode)
{
case KeyCode.Delete:
case KeyCode.Backspace:
SerializableEventSequenceDrawer.RemoveEvent(context, context.SelectedEvent);
exitGUI = true;
break;
case KeyCode.LeftArrow: NudgeEventTime(context, Event.current.shift ? -10 : -1); break;
case KeyCode.RightArrow: NudgeEventTime(context, Event.current.shift ? 10 : 1); break;
case KeyCode.Space: RoundEventTime(context); break;
default: return; // Don't call Use.
}
currentEvent.Use();
GUI.changed = true;
if (exitGUI)
{
GUIUtility.ExitGUI();
}
break;
}
}
/************************************************************************************************************************/
/// <summary>Draws the ruler GUI and handles input events for the specified `context`.</summary>
private void DoGUI(SerializableEventSequenceDrawer.Context context, out float addEventNormalizedTime)
{
if (context.Property.hasMultipleDifferentValues)
{
GUI.Label(_Area, "Multi-editing is not supported");
addEventNormalizedTime = float.NaN;
return;
}
var transition = context.TransitionContext.Transition;
_Speed = transition.Speed;
if (float.IsNaN(_Speed))
{
_Speed = 1;
}
_Duration = context.TransitionContext.MaximumDuration;
if (_Duration <= 0)
{
_Duration = 1;
}
GatherEventTimes(context);
_StartTime = GetStartTime(transition.NormalizedStartTime, _Speed, _Duration);
_FadeInEnd = _StartTime + transition.FadeDuration * _Speed;
_FadeOutEnd = GetFadeOutEnd(_Speed, _EndTime, _Duration);
_MinTime = Mathf.Min(0, _StartTime);
_MinTime = Mathf.Min(_MinTime, _FadeOutEnd);
_MinTime = Mathf.Min(_MinTime, EventTimes[0]);
_MaxTime = Mathf.Max(_StartTime, _FadeOutEnd);
if (EventTimes.Count >= 2)
{
_MaxTime = Mathf.Max(_MaxTime, EventTimes[EventTimes.Count - 2]);
}
if (_MaxTime < _Duration)
{
_MaxTime = _Duration;
}
_SecondsToPixels = _Area.width / (_MaxTime - _MinTime);
DoFadeHighlightGUI();
if (AnimancerUtilities.TryGetWrappedObject(transition, out ITransitionGUI gui))
{
gui.OnTimelineBackgroundGUI();
}
DoEventsGUI(context, out addEventNormalizedTime);
DoRulerGUI();
if (_Speed > 0)
{
if (_StartTime >= _EndTime)
{
GUI.Label(_Area, "Start Time is not before End Time");
}
}
else if (_Speed < 0)
{
if (_StartTime <= _EndTime)
{
GUI.Label(_Area, "Start Time is not after End Time");
}
}
if (gui != null)
{
gui.OnTimelineForegroundGUI();
}
}
/************************************************************************************************************************/
/// <summary>Draws the ruler GUI and handles input events for the specified `context`.</summary>
public static void DoGUI(Rect area, SerializableEventSequenceDrawer.Context context, out float addEventNormalizedTime)
{
using (BeginGUI(area))
Current.DoGUI(context, out addEventNormalizedTime);
}