public void EventLineGUI(Rect rect, AnimationWindowState state)
{
// We only display and manipulate animation events from the main
// game object in selection. If we ever want to update to handle
// a multiple selection, a single timeline might not be sufficient...
AnimationClip clip = state.activeAnimationClip;
GameObject animated = state.activeRootGameObject;
GUI.BeginGroup(rect);
Color backupCol = GUI.color;
Rect eventLineRect = new Rect(0, 0, rect.width, rect.height);
float mousePosTime = Mathf.Max(Mathf.RoundToInt(state.PixelToTime(Event.current.mousePosition.x, rect) * state.frameRate) / state.frameRate, 0.0f);
// Draw events
if (clip != null)
{
AnimationEvent[] events = AnimationUtility.GetAnimationEvents(clip);
Texture eventMarker = EditorGUIUtility.IconContent("Animation.EventMarker").image;
// Calculate rects
Rect[] hitRects = new Rect[events.Length];
Rect[] drawRects = new Rect[events.Length];
int shared = 1;
int sharedLeft = 0;
for (int i = 0; i < events.Length; i++)
{
AnimationEvent evt = events[i];
if (sharedLeft == 0)
{
shared = 1;
while (i + shared < events.Length && events[i + shared].time == evt.time)
{
shared++;
}
sharedLeft = shared;
}
sharedLeft--;
// Important to take floor of positions of GUI stuff to get pixel correct alignment of
// stuff drawn with both GUI and Handles/GL. Otherwise things are off by one pixel half the time.
float keypos = Mathf.Floor(state.FrameToPixel(evt.time * clip.frameRate, rect));
int sharedOffset = 0;
if (shared > 1)
{
float spread = Mathf.Min((shared - 1) * (eventMarker.width - 1), (int)(state.FrameDeltaToPixel(rect) - eventMarker.width * 2));
sharedOffset = Mathf.FloorToInt(Mathf.Max(0, spread - (eventMarker.width - 1) * (sharedLeft)));
}
Rect r = new Rect(
keypos + sharedOffset - eventMarker.width / 2,
(rect.height - 10) * (float)(sharedLeft - shared + 1) / Mathf.Max(1, shared - 1),
eventMarker.width,
eventMarker.height);
hitRects[i] = r;
drawRects[i] = r;
}
// Store tooptip info
if (m_DirtyTooltip)
{
if (m_HoverEvent >= 0 && m_HoverEvent < hitRects.Length)
{
m_InstantTooltipText = AnimationWindowEventInspector.FormatEvent(animated, events[m_HoverEvent]);
m_InstantTooltipPoint = new Vector2(hitRects[m_HoverEvent].xMin + (int)(hitRects[m_HoverEvent].width / 2) + rect.x - 30, rect.yMax);
}
m_DirtyTooltip = false;
}
bool[] selectedEvents = new bool[events.Length];
Object[] selectedObjects = Selection.objects;
foreach (Object selectedObject in selectedObjects)
{
AnimationWindowEvent awe = selectedObject as AnimationWindowEvent;
if (awe != null)
{
if (awe.eventIndex >= 0 && awe.eventIndex < selectedEvents.Length)
{
selectedEvents[awe.eventIndex] = true;
}
}
}
Vector2 offset = Vector2.zero;
int clickedIndex;
float startSelection, endSelection;
// TODO: GUIStyle.none has hopping margins that need to be fixed
HighLevelEvent hEvent = EditorGUIExt.MultiSelection(
rect,
drawRects,
new GUIContent(eventMarker),
hitRects,
ref selectedEvents,
null,
out clickedIndex,
out offset,
out startSelection,
out endSelection,
GUIStyle.none
);
if (hEvent != HighLevelEvent.None)
{
switch (hEvent)
{
case HighLevelEvent.BeginDrag:
m_EventsAtMouseDown = events;
m_EventTimes = new float[events.Length];
for (int i = 0; i < events.Length; i++)
{
m_EventTimes[i] = events[i].time;
}
break;
case HighLevelEvent.SelectionChanged:
state.ClearKeySelections();
EditEvents(animated, clip, selectedEvents);
break;
case HighLevelEvent.Delete:
DeleteEvents(clip, selectedEvents);
break;
case HighLevelEvent.DoubleClick:
if (clickedIndex != -1)
{
EditEvents(animated, clip, selectedEvents);
}
else
{
EventLineContextMenuAdd(new EventLineContextMenuObject(animated, clip, mousePosTime, -1, selectedEvents));
}
break;
case HighLevelEvent.Drag:
for (int i = events.Length - 1; i >= 0; i--)
{
if (selectedEvents[i])
{
AnimationEvent evt = m_EventsAtMouseDown[i];
evt.time = m_EventTimes[i] + offset.x * state.PixelDeltaToTime(rect);
evt.time = Mathf.Max(0.0F, evt.time);
evt.time = Mathf.RoundToInt(evt.time * clip.frameRate) / clip.frameRate;
}
}
int[] order = new int[selectedEvents.Length];
for (int i = 0; i < order.Length; i++)
{
order[i] = i;
}
System.Array.Sort(m_EventsAtMouseDown, order, new EventComparer());
bool[] selectedOld = (bool[])selectedEvents.Clone();
float[] timesOld = (float[])m_EventTimes.Clone();
for (int i = 0; i < order.Length; i++)
{
selectedEvents[i] = selectedOld[order[i]];
m_EventTimes[i] = timesOld[order[i]];
}
// Update selection to reflect new order.
EditEvents(animated, clip, selectedEvents);
Undo.RegisterCompleteObjectUndo(clip, "Move Event");
AnimationUtility.SetAnimationEvents(clip, m_EventsAtMouseDown);
m_DirtyTooltip = true;
break;
case HighLevelEvent.ContextClick:
GenericMenu menu = new GenericMenu();
var contextData = new EventLineContextMenuObject(animated, clip, events[clickedIndex].time, clickedIndex, selectedEvents);
int selectedEventsCount = selectedEvents.Count(selected => selected);
menu.AddItem(
EditorGUIUtility.TrTextContent("Add Animation Event"),
false,
EventLineContextMenuAdd,
contextData);
menu.AddItem(
new GUIContent(selectedEventsCount > 1 ? "Delete Animation Events" : "Delete Animation Event"),
false,
EventLineContextMenuDelete,
contextData);
menu.ShowAsContext();
// Mouse may move while context menu is open - make sure instant tooltip is handled
m_InstantTooltipText = null;
m_DirtyTooltip = true;
state.Repaint();
break;
}
}
CheckRectsOnMouseMove(rect, events, hitRects);
// Create context menu on context click
if (Event.current.type == EventType.ContextClick && eventLineRect.Contains(Event.current.mousePosition))
{
Event.current.Use();
// Create menu
GenericMenu menu = new GenericMenu();
var contextData = new EventLineContextMenuObject(animated, clip, mousePosTime, -1, selectedEvents);
int selectedEventsCount = selectedEvents.Count(selected => selected);
menu.AddItem(
EditorGUIUtility.TrTextContent("Add Animation Event"),
false,
EventLineContextMenuAdd,
contextData);
if (selectedEventsCount > 0)
{
menu.AddItem(
new GUIContent(selectedEventsCount > 1 ? "Delete Animation Events" : "Delete Animation Event"),
false,
EventLineContextMenuDelete,
contextData);
}
menu.ShowAsContext();
}
}
GUI.color = backupCol;
GUI.EndGroup();
}
void SliderGUI()
{
if (!m_HSlider && !m_VSlider)
{
return;
}
using (new EditorGUI.DisabledScope(!enableMouseInput))
{
Bounds editorBounds = drawingBounds;
Rect area = shownAreaInsideMargins;
float min, max;
float inset = styles.sliderWidth - styles.visualSliderWidth;
float otherInset = (vSlider && hSlider) ? inset : 0;
Vector2 scaleDelta = m_Scale;
// Horizontal range slider
if (m_HSlider)
{
Rect hRangeSliderRect = new Rect(drawRect.x + 1, drawRect.yMax - inset, drawRect.width - otherInset, styles.sliderWidth);
float shownXRange = area.width;
float shownXMin = area.xMin;
if (allowSliderZoomHorizontal)
{
EditorGUIExt.MinMaxScroller(hRangeSliderRect, horizontalScrollbarID,
ref shownXMin, ref shownXRange,
editorBounds.min.x, editorBounds.max.x,
Mathf.NegativeInfinity, Mathf.Infinity,
styles.horizontalScrollbar, styles.horizontalMinMaxScrollbarThumb,
styles.horizontalScrollbarLeftButton, styles.horizontalScrollbarRightButton, true);
}
else
{
shownXMin = GUI.Scroller(hRangeSliderRect,
shownXMin, shownXRange, editorBounds.min.x, editorBounds.max.x,
styles.horizontalScrollbar, styles.horizontalMinMaxScrollbarThumb,
styles.horizontalScrollbarLeftButton, styles.horizontalScrollbarRightButton, true);
}
min = shownXMin;
max = shownXMin + shownXRange;
float rectWidthWithinMargins = GetWidthInsideMargins(rect.width, true);
if (min > area.xMin)
{
min = Mathf.Min(min, max - rectWidthWithinMargins / m_HScaleMax);
}
if (max < area.xMax)
{
max = Mathf.Max(max, min + rectWidthWithinMargins / m_HScaleMax);
}
SetShownHRangeInsideMargins(min, max);
}
// Vertical range slider
// Reverse y values since y increses upwards for the draw area but downwards for the slider
if (m_VSlider)
{
if (m_UpDirection == YDirection.Positive)
{
Rect vRangeSliderRect = new Rect(drawRect.xMax - inset, drawRect.y, styles.sliderWidth, drawRect.height - otherInset);
float shownYRange = area.height;
float shownYMin = -area.yMax;
if (allowSliderZoomVertical)
{
EditorGUIExt.MinMaxScroller(vRangeSliderRect, verticalScrollbarID,
ref shownYMin, ref shownYRange,
-editorBounds.max.y, -editorBounds.min.y,
Mathf.NegativeInfinity, Mathf.Infinity,
styles.verticalScrollbar, styles.verticalMinMaxScrollbarThumb,
styles.verticalScrollbarUpButton, styles.verticalScrollbarDownButton, false);
}
else
{
shownYMin = GUI.Scroller(vRangeSliderRect,
shownYMin, shownYRange, -editorBounds.max.y, -editorBounds.min.y,
styles.verticalScrollbar, styles.verticalMinMaxScrollbarThumb,
styles.verticalScrollbarUpButton, styles.verticalScrollbarDownButton, false);
}
min = -(shownYMin + shownYRange);
max = -shownYMin;
float rectHeightWithinMargins = GetHeightInsideMargins(rect.height, true);
if (min > area.yMin)
{
min = Mathf.Min(min, max - rectHeightWithinMargins / m_VScaleMax);
}
if (max < area.yMax)
{
max = Mathf.Max(max, min + rectHeightWithinMargins / m_VScaleMax);
}
SetShownVRangeInsideMargins(min, max);
}
else
{
Rect vRangeSliderRect = new Rect(drawRect.xMax - inset, drawRect.y, styles.sliderWidth, drawRect.height - otherInset);
float shownYRange = area.height;
float shownYMin = area.yMin;
if (allowSliderZoomVertical)
{
EditorGUIExt.MinMaxScroller(vRangeSliderRect, verticalScrollbarID,
ref shownYMin, ref shownYRange,
editorBounds.min.y, editorBounds.max.y,
Mathf.NegativeInfinity, Mathf.Infinity,
styles.verticalScrollbar, styles.verticalMinMaxScrollbarThumb,
styles.verticalScrollbarUpButton, styles.verticalScrollbarDownButton, false);
}
else
{
shownYMin = GUI.Scroller(vRangeSliderRect,
shownYMin, shownYRange, editorBounds.min.y, editorBounds.max.y,
styles.verticalScrollbar, styles.verticalMinMaxScrollbarThumb,
styles.verticalScrollbarUpButton, styles.verticalScrollbarDownButton, false);
}
min = shownYMin;
max = shownYMin + shownYRange;
float rectHeightWithinMargins = GetHeightInsideMargins(rect.height, true);
if (min > area.yMin)
{
min = Mathf.Min(min, max - rectHeightWithinMargins / m_VScaleMax);
}
if (max < area.yMax)
{
max = Mathf.Max(max, min + rectHeightWithinMargins / m_VScaleMax);
}
SetShownVRangeInsideMargins(min, max);
}
}
if (uniformScale)
{
float aspect = drawRect.width / drawRect.height;
scaleDelta -= m_Scale;
var delta = new Vector2(-scaleDelta.y * aspect, -scaleDelta.x / aspect);
m_Scale -= delta;
m_Translation.x -= scaleDelta.y / 2;
m_Translation.y -= scaleDelta.x / 2;
EnforceScaleAndRange();
}
}
}