init

2025-07-20 21:01:09 +08:00
commit d2b8ce01f8
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+// Copyright (C) 2019-2021 Alexander Bogarsukov. All rights reserved.
+// See the LICENSE.md file in the project root for more information.
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace UnityFx.Outline
+{
+	internal class OutlineRendererCollection : ICollection<Renderer>
+	{
+		#region data
+
+		private readonly List<Renderer> _renderers = new List<Renderer>();
+		private readonly GameObject _go;
+
+		#endregion
+
+		#region interface
+
+		internal OutlineRendererCollection(GameObject go)
+		{
+			Debug.Assert(go);
+			_go = go;
+		}
+
+		internal IReadOnlyList<Renderer> GetList()
+		{
+			return _renderers;
+		}
+
+		internal void Reset(bool includeInactive)
+		{
+			_go.GetComponentsInChildren(includeInactive, _renderers);
+		}
+
+		internal void Reset(bool includeInactive, int ignoreLayerMask)
+		{
+			_renderers.Clear();
+
+			if (ignoreLayerMask != 0)
+			{
+				var renderers = _go.GetComponentsInChildren<Renderer>(includeInactive);
+
+				foreach (var renderer in renderers)
+				{
+					if (((1 << renderer.gameObject.layer) & ignoreLayerMask) == 0)
+					{
+						_renderers.Add(renderer);
+					}
+				}
+			}
+			else
+			{
+				_go.GetComponentsInChildren(includeInactive, _renderers);
+			}
+		}
+
+		#endregion
+
+		#region ICollection
+
+		public int Count => _renderers.Count;
+
+		public bool IsReadOnly => false;
+
+		public void Add(Renderer renderer)
+		{
+			Validate(renderer);
+
+			_renderers.Add(renderer);
+		}
+
+		public bool Remove(Renderer renderer)
+		{
+			return _renderers.Remove(renderer);
+		}
+
+		public void Clear()
+		{
+			_renderers.Clear();
+		}
+
+		public bool Contains(Renderer renderer)
+		{
+			return _renderers.Contains(renderer);
+		}
+
+		public void CopyTo(Renderer[] array, int arrayIndex)
+		{
+			_renderers.CopyTo(array, arrayIndex);
+		}
+
+		#endregion
+
+		#region IEnumerable
+
+		public IEnumerator<Renderer> GetEnumerator()
+		{
+			return _renderers.GetEnumerator();
+		}
+
+		IEnumerator IEnumerable.GetEnumerator()
+		{
+			return _renderers.GetEnumerator();
+		}
+
+		#endregion
+
+		#region implementation
+
+		private void Validate(Renderer renderer)
+		{
+			if (renderer is null)
+			{
+				throw new ArgumentNullException(nameof(renderer));
+			}
+
+			if (!renderer.transform.IsChildOf(_go.transform))
+			{
+				throw new ArgumentException(string.Format("Only children of the {0} are allowed.", _go.name), nameof(renderer));
+			}
+		}
+
+		#endregion
+	}
+}