Icons + Base work on Find and Replace

Runtime/StateMachine/StateMachine.cs.meta

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Editor/FindAndReplace.meta

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Editor/FindAndReplace/FindAndReplaceWindow.cs

+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+using UnityEditor.IMGUI.Controls;
+
+namespace GameplayIngredients.Editor
+{
+    public class FindAndReplaceWindow : EditorWindow
+    {
+        [MenuItem("Edit/Find And Replace... %&#F", priority = 144)]
+        static void OpenWindow()
+        {
+            GetWindow<FindAndReplaceWindow>();
+        }
+
+        public enum SearchBy
+        {
+            Name,
+            ComponentType,
+            Tag,
+            Layer,
+            Mesh,
+            Material,
+        }
+
+        private void OnEnable()
+        {
+            titleContent = Contents.title;
+        }
+
+        private void OnGUI()
+        {
+            using (new GUILayout.HorizontalScope())
+            {
+                using (new GUILayout.VerticalScope(GUILayout.Width(320)))
+                {
+                    SearchControlsGUI();
+                }
+
+                using (new GUILayout.VerticalScope(GUILayout.Width(4)))
+                {
+                    GUILayout.FlexibleSpace();
+                    Rect r = GUILayoutUtility.GetLastRect();
+                    EditorGUI.DrawRect(r, Color.black);
+                }
+
+                using (new GUILayout.VerticalScope())
+                {
+                    SearchResultsGUI();
+                }
+
+            }
+        }
+
+        [SerializeField]
+        GameObject prefabReplacement;
+        [SerializeField]
+        SearchBy searchBy;
+
+        [SerializeField]
+        string nameSearch = "GameObject";
+        [SerializeField]
+        string tagSearch = "Player";
+        [SerializeField]
+        string layerSearch = "PostProcessing";
+        [SerializeField]
+        string componentSearch = "Light";
+        [SerializeField]
+        Mesh meshSearch;
+        [SerializeField]
+        Material materialSearch;
+
+
+        void SearchControlsGUI()
+        {
+            EditorGUIUtility.labelWidth = 120;
+            GUILayout.Space(8);
+            GUILayout.Label("Search and Filter", EditorStyles.boldLabel);
+            searchBy = (SearchBy)EditorGUILayout.EnumPopup(Contents.searchBy, searchBy);
+            switch(searchBy)
+            {
+                case SearchBy.Name:
+                    nameSearch = EditorGUILayout.TextField(Contents.nameSearch, nameSearch);
+                    break;
+                case SearchBy.Tag:
+                    tagSearch = EditorGUILayout.TextField(Contents.tagSearch, tagSearch);
+                    break;
+                case SearchBy.Layer:
+                    layerSearch = EditorGUILayout.TextField(Contents.layerSearch, layerSearch);
+                    break;
+                case SearchBy.ComponentType:
+                    componentSearch = EditorGUILayout.TextField(Contents.componentSearch, componentSearch);
+                    break;
+                case SearchBy.Mesh:
+                    meshSearch = (Mesh)EditorGUILayout.ObjectField(Contents.meshSearch, meshSearch, typeof(Mesh), true);
+                    break;
+                case SearchBy.Material:
+                    materialSearch = (Material)EditorGUILayout.ObjectField(Contents.materialSearch, materialSearch, typeof(Material), true);
+
+                    break;
+            }
+
+            using (new GUILayout.HorizontalScope())
+            {
+                GUILayout.Button("Find",GUILayout.Height(32));
+                GUILayout.Button("Refine",GUILayout.Height(32));
+            }
+
+            GUILayout.FlexibleSpace();
+            GUILayout.Label("Replace By", EditorStyles.boldLabel);
+            prefabReplacement = (GameObject)EditorGUILayout.ObjectField(Contents.prefabReplacement, prefabReplacement, typeof(GameObject), true);
+            GUILayout.Button("Replace All", GUILayout.Height(32));
+            GUILayout.Space(8);
+        }
+
+        [SerializeField]
+        List<GameObject> searchResults= new List<GameObject>();
+        Vector2 scroll;
+
+        void SearchResultsGUI()
+        {
+            GUILayout.Space(8);
+            GUILayout.Label("Search Results", EditorStyles.boldLabel);
+
+            using (new GUILayout.ScrollViewScope(scroll, EditorStyles.helpBox))
+            {
+                foreach(var obj in searchResults)
+                {
+                    using (new GUILayout.HorizontalScope(EditorStyles.helpBox))
+                    {
+                        GUILayout.Label(obj.name);
+                        GUILayout.Button("X", GUILayout.Width(32));
+                    }
+                }
+            }
+        }
+
+        static class Contents
+        {
+            public static GUIContent title = new GUIContent("Find and Replace", (Texture)EditorGUIUtility.LoadRequired("ViewToolZoom On"));
+            public static GUIContent searchBy = new GUIContent("Search by");
+            public static GUIContent nameSearch = new GUIContent("GameObject Name");
+            public static GUIContent tagSearch = new GUIContent("Tag");
+            public static GUIContent layerSearch = new GUIContent("Layer");
+            public static GUIContent componentSearch = new GUIContent("Component Type");
+            public static GUIContent meshSearch = new GUIContent("Mesh");
+            public static GUIContent materialSearch = new GUIContent("Material");
+
+            public static GUIContent prefabReplacement = new GUIContent("Prefab Replacement");
+        }
+    }
+}

Editor/FindAndReplace/FindAndReplaceWindow.cs.meta

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