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The embedded EventSystem is activated only when needed to avoid dupli…
…cate EventSystem warnings in the Console
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| using UnityEngine; | ||
| using UnityEngine.EventSystems; | ||
| using UnityEngine.SceneManagement; | ||
|
|
||
| namespace IngameDebugConsole | ||
| { | ||
| // Avoid multiple EventSystems in the scene by activating the embedded EventSystem only if one doesn't already exist in the scene | ||
| [DefaultExecutionOrder( 1000 )] | ||
| public class EventSystemHandler : MonoBehaviour | ||
| { | ||
| #pragma warning disable 0649 | ||
| [SerializeField] | ||
| private GameObject embeddedEventSystem; | ||
| #pragma warning restore 0649 | ||
|
|
||
| private void OnEnable() | ||
| { | ||
| SceneManager.sceneLoaded -= OnSceneLoaded; | ||
| SceneManager.sceneLoaded += OnSceneLoaded; | ||
| SceneManager.sceneUnloaded -= OnSceneUnloaded; | ||
| SceneManager.sceneUnloaded += OnSceneUnloaded; | ||
|
|
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| ActivateEventSystemIfNeeded(); | ||
| } | ||
|
|
||
| private void OnDisable() | ||
| { | ||
| SceneManager.sceneLoaded -= OnSceneLoaded; | ||
| SceneManager.sceneUnloaded -= OnSceneUnloaded; | ||
|
|
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| DeactivateEventSystem(); | ||
| } | ||
|
|
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| private void OnSceneLoaded( Scene scene, LoadSceneMode mode ) | ||
| { | ||
| ActivateEventSystemIfNeeded(); | ||
| } | ||
|
|
||
| private void OnSceneUnloaded( Scene current ) | ||
| { | ||
| // Deactivate the embedded EventSystem before changing scenes because the new scene might have its own EventSystem | ||
| DeactivateEventSystem(); | ||
| } | ||
|
|
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| private void ActivateEventSystemIfNeeded() | ||
| { | ||
| if( embeddedEventSystem && !EventSystem.current ) | ||
| embeddedEventSystem.SetActive( true ); | ||
| } | ||
|
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||
| private void DeactivateEventSystem() | ||
| { | ||
| if( embeddedEventSystem ) | ||
| embeddedEventSystem.SetActive( false ); | ||
| } | ||
| } | ||
| } |
12 changes: 12 additions & 0 deletions
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Plugins/IngameDebugConsole/Scripts/EventSystemHandler.cs.meta
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