public SnapEngine(IAttractable attractable, IAttractionHandler attractionHandler, ManipulateEdges manipulateEdges, WindowState state,
Vector2 mousePosition, IEnumerable <ISnappable> snappables = null)
{
m_Attractable = attractable;
m_ManipulateEdges = manipulateEdges;
m_AttractionHandler = attractionHandler;
m_State = state;
m_CurrentTimes = m_GrabbedTimes = new TimeBoundaries(m_Attractable.start, m_Attractable.end);
m_GrabbedTime = m_State.PixelToTime(mousePosition.x);
// Add Time zero as Magnet
AddMagnet(0.0, true, state);
// Add current Time as Magnet
// case1157280 only add current time as magnet if visible
if (TimelineWindow.instance.currentMode.ShouldShowTimeCursor(m_State))
{
AddMagnet(state.editSequence.time, true, state);
}
if (state.IsEditingASubTimeline())
{
// Add start and end of evaluable range as Magnets
// This includes the case where the master timeline has a fixed length
var range = state.editSequence.GetEvaluableRange();
AddMagnet(range.start, true, state);
AddMagnet(range.end, true, state);
}
else if (state.masterSequence.asset.durationMode == TimelineAsset.DurationMode.FixedLength)
{
// Add end sequence Time as Magnet
AddMagnet(state.masterSequence.asset.duration, true, state);
}
if (snappables == null)
{
snappables = GetVisibleSnappables(m_State);
}
foreach (var snappable in snappables)
{
if (!attractable.ShouldSnapTo(snappable))
{
continue;
}
var edges = snappable.SnappableEdgesFor(attractable, manipulateEdges);
foreach (var edge in edges)
{
AddMagnet(edge.time, edge.showSnapHint, state);
}
}
}
public MagnetEngine(IAttractable attractable, IAttractionHandler attractionHandler, TimelineWindow.TimelineState state)
{
this.m_Attractable = attractable;
this.m_AttractionHandler = attractionHandler;
this.m_State = state;
Rect timeAreaBounds = TimelineWindow.instance.timeAreaBounds;
timeAreaBounds.set_height(3.40282347E+38f);
List <IBounds> elementsInRectangle = Manipulator.GetElementsInRectangle(state.quadTree, timeAreaBounds);
IEnumerable <ISnappable> enumerable = elementsInRectangle.OfType <ISnappable>();
this.AddMagnet(0.0, timeAreaBounds, state);
this.AddMagnet(state.time, timeAreaBounds, state);
this.AddMagnet(state.timeline.get_duration(), timeAreaBounds, state);
foreach (ISnappable current in enumerable)
{
IEnumerable <Edge> enumerable2 = current.SnappableEdgesFor(attractable);
foreach (Edge current2 in enumerable2)
{
this.AddMagnet(current2.time, timeAreaBounds, state);
}
}
}