using System.Collections.Generic;
using UnityEngine;
using UnityEngine.XR;

namespace BeautifyEffect
{
	internal static class VRCheck
	{
		public static bool isActive;

		public static bool isVrRunning;

		private static readonly List<XRDisplaySubsystemDescriptor> displaysDescs = new List<XRDisplaySubsystemDescriptor>();

		private static readonly List<XRDisplaySubsystem> displays = new List<XRDisplaySubsystem>();

		private static bool IsActive()
		{
			displaysDescs.Clear();
			SubsystemManager.GetSubsystemDescriptors(displaysDescs);
			return displaysDescs.Count > 0;
		}

		private static bool IsVrRunning()
		{
			bool result = false;
			displays.Clear();
			SubsystemManager.GetInstances(displays);
			foreach (XRDisplaySubsystem display in displays)
			{
				if (display.running)
				{
					result = true;
					break;
				}
			}
			return result;
		}

		public static void Init()
		{
			isActive = IsActive();
			isVrRunning = IsVrRunning();
		}
	}
}