File size: 1,888 Bytes
18a519f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | using System;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
namespace UnityEditor.Timeline
{
static class PickerUtils
{
public static List<object> pickedElements { get; private set; }
public static void DoPick(WindowState state, Vector2 mousePosition)
{
if (state.GetWindow().sequenceHeaderRect.Contains(mousePosition))
{
pickedElements = state.headerSpacePartitioner.GetItemsAtPosition<object>(mousePosition).ToList();
}
else if (state.GetWindow().sequenceContentRect.Contains(mousePosition))
{
pickedElements = state.spacePartitioner.GetItemsAtPosition<object>(mousePosition).ToList();
}
else
{
if (pickedElements != null)
pickedElements.Clear();
else
pickedElements = new List<object>();
}
}
public static ILayerable TopmostPickedItem()
{
return PickedItemsSortedByZOrderOfType<ILayerable>().FirstOrDefault();
}
public static T TopmostPickedItemOfType<T>() where T : class, ILayerable
{
return PickedItemsSortedByZOrderOfType<T>().FirstOrDefault();
}
public static T TopmostPickedItemOfType<T>(Func<T, bool> predicate) where T : class, ILayerable
{
return PickedItemsSortedByZOrderOfType<T>().FirstOrDefault(predicate);
}
static IEnumerable<T> PickedItemsSortedByZOrderOfType<T>() where T : class, ILayerable
{
return pickedElements.OfType<T>().OrderByDescending(x => x.zOrder);
}
public static T FirstPickedElementOfType<T>() where T : class, IBounds
{
return pickedElements.FirstOrDefault(e => e is T) as T;
}
}
}
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