58 lines
1.9 KiB
C#
58 lines
1.9 KiB
C#
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using System.Collections.Generic;
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using System.Linq;
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using UnityEngine.Timeline;
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namespace UnityEditor.Timeline
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{
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static class EditModeReplaceUtils
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{
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public static void Insert(IEnumerable<ItemsPerTrack> itemsGroups)
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{
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foreach (var itemsGroup in itemsGroups)
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{
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Insert(itemsGroup.targetTrack, itemsGroup.items);
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}
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}
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static void Insert(TrackAsset track, IEnumerable<ITimelineItem> items)
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{
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if (track == null) return;
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var orderedItems = ItemsUtils.GetItemsExcept(track, items)
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.OfType<ITrimmable>()
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.OrderBy(i => i.start).ToArray();
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foreach (var item in items.OfType<ITrimmable>())
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{
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var from = item.start;
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var to = item.end;
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var overlappedItems = orderedItems.Where(i => EditModeUtils.Overlaps(i, from, to));
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foreach (var overlappedItem in overlappedItems)
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{
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if (EditModeUtils.IsItemWithinRange(overlappedItem, from, to))
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{
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overlappedItem.Delete();
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}
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else
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{
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if (overlappedItem.start >= from)
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overlappedItem.TrimStart(to);
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else
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overlappedItem.TrimEnd(from);
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}
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}
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var includingItems = orderedItems.Where(c => c.start < from && c.end > to);
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foreach (var includingItem in includingItems)
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{
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var newItem = includingItem.CloneTo(track, includingItem.start) as ITrimmable;
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includingItem.TrimStart(to);
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if (newItem != null)
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newItem.SetEnd(from, false);
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}
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}
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}
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}
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}
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