Ghetto Bookmarking System

BookmarkMenu.cs

using UnityEngine;
using UnityEditor;
using System.Collections;
using System.Collections.Generic;

public class BookmarkMenu : EditorWindow
{

    int selectedOption = 0;


	[MenuItem("Etc/Bookmarks/Bookmark View")]
	static public void SetaBookMark() {

		GameObject[] bookmarks;
		bookmarks = GameObject.FindGameObjectsWithTag("bookmark");
		Object prefab = Resources.Load("Bookmark");

		if (bookmarks.Length > 0) {
			GameObject bookmark = Instantiate(prefab, Vector3.zero, Quaternion.identity) as GameObject;
			// Modify the clone to your heart's content
			bookmark.name = "bookmark" + (bookmarks.Length + 1);
			bookmark.transform.position = SceneView.lastActiveSceneView.pivot;
			bookmark.transform.rotation = SceneView.lastActiveSceneView.rotation;
		} else {
			GameObject bookmark = Instantiate(prefab, Vector3.zero, Quaternion.identity) as GameObject;
			// Modify the clone to your heart's content
			bookmark.name = "bookmark1";
			
		}
	}

	[MenuItem("Etc/Bookmarks/Load Bookmark")]
	static public void LoadBookmark() {
		//Show existing window instance. If one doesn't exist, make one.
		EditorWindow.GetWindow(typeof(BookmarkMenu));
	}



	void OnGUI() {
		GUILayout.Label("Select a bookmark", EditorStyles.boldLabel);
		GameObject[] bookmarks = GameObject.FindGameObjectsWithTag("bookmark");
		if(bookmarks.Length > 0){
			List<string> options = new List<string>();
			for(int i = 0; i < bookmarks.Length; i++){
				options.Add(bookmarks[i].name);
			}

			selectedOption = GUILayout.SelectionGrid(selectedOption, options.ToArray(), 2);
			applyBookmark(bookmarks[selectedOption]);
		}
		
	}

	protected void applyBookmark(GameObject bookmark) {
		if (bookmark != null && SceneView.lastActiveSceneView != null) {
			SceneView.lastActiveSceneView.pivot = bookmark.transform.position;
			SceneView.lastActiveSceneView.rotation = bookmark.transform.rotation;
			SceneView.RepaintAll();
		}
		
	}

}