57 lines
1.8 KiB
C#
57 lines
1.8 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using UnityEngine;
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namespace UnityEditor.Timeline
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{
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static class PickerUtils
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{
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public static List<object> pickedElements { get; private set; }
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public static void DoPick(WindowState state, Vector2 mousePosition)
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{
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if (state.GetWindow().sequenceHeaderRect.Contains(mousePosition))
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{
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pickedElements = state.headerSpacePartitioner.GetItemsAtPosition<object>(mousePosition).ToList();
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}
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else if (state.GetWindow().sequenceContentRect.Contains(mousePosition))
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{
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pickedElements = state.spacePartitioner.GetItemsAtPosition<object>(mousePosition).ToList();
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}
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else
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{
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if (pickedElements != null)
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pickedElements.Clear();
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else
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pickedElements = new List<object>();
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}
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}
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public static ILayerable TopmostPickedItem()
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{
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return PickedItemsSortedByZOrderOfType<ILayerable>().FirstOrDefault();
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}
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public static T TopmostPickedItemOfType<T>() where T : class, ILayerable
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{
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return PickedItemsSortedByZOrderOfType<T>().FirstOrDefault();
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}
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public static T TopmostPickedItemOfType<T>(Func<T, bool> predicate) where T : class, ILayerable
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{
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return PickedItemsSortedByZOrderOfType<T>().FirstOrDefault(predicate);
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}
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static IEnumerable<T> PickedItemsSortedByZOrderOfType<T>() where T: class, ILayerable
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{
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return pickedElements.OfType<T>().OrderByDescending(x => x.zOrder);
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}
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public static T FirstPickedElementOfType<T>() where T : class, IBounds
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{
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return pickedElements.FirstOrDefault(e => e is T) as T;
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}
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}
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}
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