UnityエディタでStopしたときにエディタを再起動するエディタ拡張です

RestartOnStop.cs

//
// Unity Restart Editor On Stop
// @sh_akira
// Put this file to Assets/Editor/
//

using UnityEngine;
using UnityEditor;

[InitializeOnLoad]
public static class RestartOnStop
{
    static RestartOnStop()
    {
        EditorApplication.playModeStateChanged += EditorApplication_playModeStateChanged;
    }

    private static void EditorApplication_playModeStateChanged(PlayModeStateChange state)
    {
        if (state == PlayModeStateChange.EnteredEditMode)
        {
            RestartEditor();
        }
    }

    private static void RestartEditor()
    {
        var unityPath = EditorApplication.applicationPath;
        var args = "-projectPath " + "\"" + Application.dataPath.Replace("/Assets", "") + "\"";

        System.Diagnostics.Process.Start(unityPath, args);

        EditorApplication.Exit(0);
    }
}