51 lines
1.3 KiB
C#
51 lines
1.3 KiB
C#
namespace UnityEngine.Rendering
|
|
{
|
|
// Use this class to get a static instance of a component
|
|
// Mainly used to have a default instance
|
|
|
|
/// <summary>
|
|
/// Singleton of a Component class.
|
|
/// </summary>
|
|
/// <typeparam name="TType">Component type.</typeparam>
|
|
public static class ComponentSingleton<TType>
|
|
where TType : Component
|
|
{
|
|
static TType s_Instance = null;
|
|
/// <summary>
|
|
/// Instance of the required component type.
|
|
/// </summary>
|
|
public static TType instance
|
|
{
|
|
get
|
|
{
|
|
if (s_Instance == null)
|
|
{
|
|
GameObject go = new GameObject("Default " + typeof(TType).Name) { hideFlags = HideFlags.HideAndDontSave };
|
|
|
|
#if !UNITY_EDITOR
|
|
GameObject.DontDestroyOnLoad(go);
|
|
#endif
|
|
|
|
go.SetActive(false);
|
|
s_Instance = go.AddComponent<TType>();
|
|
}
|
|
|
|
return s_Instance;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Release the component singleton.
|
|
/// </summary>
|
|
public static void Release()
|
|
{
|
|
if (s_Instance != null)
|
|
{
|
|
var go = s_Instance.gameObject;
|
|
CoreUtils.Destroy(go);
|
|
s_Instance = null;
|
|
}
|
|
}
|
|
}
|
|
}
|