public static void GetItemRange(this TrackAsset track, out double start, out double end)
{
start = 0;
end = 0;
var items = track.GetItems().ToList();
if (items.Any())
{
start = items.First().start;
end = items.Last().end;
}
}
public static void GetItemRange(this TrackAsset track, out double start, out double end)
{
start = 0;
end = 0;
var items = track.GetItems().ToList();
if (items.Any())
{
start = items.Min(p => p.start);
end = items.Max(p => p.end);
}
}
static ITimelineItem GetClosestItem(TrackAsset track, ITimelineItem refItem)
{
var start = refItem.start;
var end = refItem.end;
var items = track.GetItems().ToList();
if (refItem is ClipItem)
{
items = items.Where(x => x is ClipItem).ToList();
}
else
{
items = items.Where(x => x is MarkerItem).ToList();
}
if (!items.Any())
{
return(null);
}
ITimelineItem ret = null;
var scoreToBeat = double.NegativeInfinity;
foreach (var item in items)
{
// test for overlap
var low = Math.Max(item.start, start);
var high = Math.Min(item.end, end);
if (low <= high)
{
var score = high - low;
if (score >= scoreToBeat)
{
scoreToBeat = score;
ret = item;
}
}
}
return(ret);
}
public void Grab(IEnumerable <ITimelineItem> items, TrackAsset referenceTrack, Vector2 mousePosition)
{
if (items == null)
{
return;
}
items = items.ToArray(); // Cache enumeration result
if (!items.Any())
{
return;
}
m_GrabbedModalUndoGroup = Undo.GetCurrentGroup();
var trackItems = items.GroupBy(c => c.parentTrack).ToArray();
var trackItemsCount = trackItems.Length;
movingItems = new MovingItems[trackItemsCount];
allowTrackSwitch = trackItemsCount == 1 && !trackItems.SelectMany(x => x).Any(x => x is MarkerItem); // For now, track switch is only supported when all items are on the same track and there are no items
foreach (var item in referenceTrack.GetItems()) // Ripple changes other items
{
item.PushUndo("Move Items");
}
for (var i = 0; i < trackItemsCount; ++i)
{
var track = trackItems[i].Key;
var grabbedItems = new MovingItems(m_State, track, trackItems[i].ToArray(), referenceTrack, mousePosition, allowTrackSwitch);
movingItems[i] = grabbedItems;
}
m_LeftMostMovingItems = null;
m_RightMostMovingItems = null;
foreach (var grabbedTrackItems in movingItems)
{
if (m_LeftMostMovingItems == null || m_LeftMostMovingItems.start > grabbedTrackItems.start)
{
m_LeftMostMovingItems = grabbedTrackItems;
}
if (m_RightMostMovingItems == null || m_RightMostMovingItems.end < grabbedTrackItems.end)
{
m_RightMostMovingItems = grabbedTrackItems;
}
}
m_ItemGUIs = new HashSet <TimelineItemGUI>();
m_ItemsGroup = new ItemsGroup(items);
foreach (var item in items)
{
m_ItemGUIs.Add(item.gui);
}
targetTrack = referenceTrack;
EditMode.BeginMove(this);
m_Grabbing = true;
}