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Src/Unity/Scripts/Scenes/Editor/MaterialPaletteWindow.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEditor;
+using UnityEditor.UIElements;
+using UnityEngine;
+using UnityEngine.UIElements;
+using Object = UnityEngine.Object;
+
+namespace BITKit
+{
+	public class MaterialPaletteWindow : EditorWindow
+	{
+		[MenuItem("Tools/Scenes/Material Palette")]
+		public static void Open()
+		{
+			GetWindow<MaterialPaletteWindow>().Show();
+		}
+
+		private Button buildButton;
+		private Label _titleLabel;
+		private VisualElement _container;
+
+		private MeshRenderer[] _renderers=Array.Empty<MeshRenderer>();
+		
+		private void OnEnable()
+		{
+			UnityEditor.Selection.selectionChanged += OnSelectionChanged;
+			
+			rootVisualElement.Clear();
+			_titleLabel = rootVisualElement.Create<Label>();
+			_container = rootVisualElement.Create<VisualElement>();
+			
+			_titleLabel.text = "选择一个物体";
+		}
+
+		private void OnDisable()
+		{
+			UnityEditor.Selection.selectionChanged -= OnSelectionChanged;
+		}
+
+		private void OnSelectionChanged()
+		{
+			var actives = UnityEditor.Selection.gameObjects;
+			
+			_container.Clear();
+			
+			_renderers = actives.SelectMany(x => x.GetComponentsInChildren<MeshRenderer>()).ToArray();
+			
+			var materials = _renderers.SelectMany(x => x.sharedMaterials).Distinct().ToArray();
+			
+			_titleLabel.text = actives is not {Length:0} ?$"选择了{actives.Length }个物体,{materials.Length}个材质" : "未选择物体";
+			
+			foreach (var material in materials)
+			{
+				var filed = _container.Create<ObjectField>();
+				filed.label = material.name;
+				filed.objectType = typeof(Material);
+				filed.allowSceneObjects = false;
+				filed.value = material;
+				filed.RegisterValueChangedCallback(OnChanged);
+			}
+		}
+
+		private void OnChanged(ChangeEvent<Object> evt)
+		{
+			if(evt.newValue is not Material value) return;
+			var list = new List<Object>();
+			foreach (var renderer in _renderers)
+			{
+				var sharedMaterials = renderer.sharedMaterials;
+				var isDirty = false;
+				for (var i = 0; i < sharedMaterials.Length; i++)
+				{
+					var current = sharedMaterials[i];
+					if(current != evt.previousValue) continue;
+					sharedMaterials[i] = value;
+					isDirty = true;
+				}
+
+				if (!isDirty) continue;
+				renderer.sharedMaterials = sharedMaterials;
+				list.Add(renderer);
+				EditorUtility.SetDirty(renderer);
+			}
+
+			if (list.Count > 0)
+			{
+				OnSelectionChanged();
+			}
+		}
+	}
+
+}

Src/Unity/Scripts/Scenes/Editor/MaterialPaletteWindow.cs.meta

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