You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 

40 lines
1.8 KiB

// --------------------------------------------------------------------------------------------------------------------
// <copyright file="EventSystemSpawner.cs" company="Exit Games GmbH">
// </copyright>
// <summary>
// For additive Scene Loading context, eventSystem can't be added to each scene and instead should be instantiated only if necessary.
// https://answers.unity.com/questions/1403002/multiple-eventsystem-in-scene-this-is-not-supporte.html
// </summary>
// <author>developer@exitgames.com</author>
// --------------------------------------------------------------------------------------------------------------------
using UnityEngine;
using UnityEngine.EventSystems;
namespace Photon.Chat.UtilityScripts
{
/// <summary>
/// Event system spawner. Will add an EventSystem GameObject with an EventSystem component and a StandaloneInputModule component.
/// Use this in additive scene loading context where you would otherwise get a "Multiple EventSystem in scene... this is not supported" error from Unity.
/// </summary>
public class EventSystemSpawner : MonoBehaviour
{
void OnEnable()
{
#if ENABLE_INPUT_SYSTEM && !ENABLE_LEGACY_INPUT_MANAGER
Debug.LogError("PUN Demos are not compatible with the New Input System, unless you enable \"Both\" in: Edit > Project Settings > Player > Active Input Handling. Pausing App.");
Debug.Break();
return;
#endif
EventSystem sceneEventSystem = FindObjectOfType<EventSystem>();
if (sceneEventSystem == null)
{
GameObject eventSystem = new GameObject("EventSystem");
eventSystem.AddComponent<EventSystem>();
eventSystem.AddComponent<StandaloneInputModule>();
}
}
}
}