停止Unity在運行時腳本修改重新編譯的情況

nity3D有一個叫做”live recompile”的功能，即在編輯器處於播放狀態時修改腳本代碼或替換托管dll等操作時，當場觸發重新編譯生成項目腳本assembly，並會進行重新加載操作，然而，這個功能很多時候並不能保證重加載后的代碼邏輯依然能正常運行，輕則報錯，重則卡死。經過博主測試發現，Unity在重加載assembly后，會清空類實例部分成員變量的值（如在Awake中new出的數組對象等），且不負責還原。

使用以下腳本可以讓Unity在代碼修改時不重新編譯，而是顯示一個鎖，在停止運行時才重新編譯

 

// Copyright Cape Guy Ltd. 2018. http://capeguy.co.uk.
// Provided under the terms of the MIT license -
// http://opensource.org/licenses/MIT. Cape Guy accepts
// no responsibility for any damages, financial or otherwise,
// incurred as a result of using this code.

using UnityEditor;
using UnityEngine;

/// <summary>
/// Prevents script compilation and reload while in play mode.
/// The editor will show a the spinning reload icon if there are unapplied changes but will not actually
/// apply them until playmode is exited.
/// Note: Script compile errors will not be shown while in play mode.
/// Derived from the instructions here:
/// https://support.unity3d.com/hc/en-us/articles/210452343-How-to-stop-automatic-assembly-compilation-from-script
/// </summary>
[InitializeOnLoad]
public class DisableScripReloadInPlayMode
{
    static DisableScripReloadInPlayMode()
    {
        EditorApplication.playModeStateChanged
            += OnPlayModeStateChanged;
    }

    static void OnPlayModeStateChanged(PlayModeStateChange stateChange)
    {
        switch (stateChange) {
            case (PlayModeStateChange.EnteredPlayMode): {
                EditorApplication.LockReloadAssemblies();
                Debug.Log ("Assembly Reload locked as entering play mode");
                break;
            }
            case (PlayModeStateChange.ExitingPlayMode): {
                Debug.Log ("Assembly Reload unlocked as exiting play mode");
                EditorApplication.UnlockReloadAssemblies();
                break;
            }
        }
    }

}

 

 

相關參考：https://answers.unity.com/questions/286571/can-i-disable-live-recompile.html

Unity2018已經可以自行設置

 

 

最完美的方案：https://capeguy.dev/2018/06/disabling-assembly-reload-while-in-play-mode/