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Assets/SteamVR/InteractionSystem/Teleport/Scripts/ChaperoneInfo.cs

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+//======= Copyright (c) Valve Corporation, All rights reserved. ===============
+//
+// Purpose: Stores the play area size info from the players chaperone data
+//
+//=============================================================================
+
+using UnityEngine;
+using UnityEngine.Events;
+using System.Collections;
+
+namespace Valve.VR.InteractionSystem
+{
+	//-------------------------------------------------------------------------
+	public class ChaperoneInfo : MonoBehaviour
+	{
+		public bool initialized { get; private set; }
+		public float playAreaSizeX { get; private set; }
+		public float playAreaSizeZ { get; private set; }
+		public bool roomscale { get; private set; }
+
+		public static SteamVR_Events.Event Initialized = new SteamVR_Events.Event();
+		public static SteamVR_Events.Action InitializedAction( UnityAction action ) { return new SteamVR_Events.ActionNoArgs( Initialized, action ); }
+
+		//-------------------------------------------------
+		private static ChaperoneInfo _instance;
+		public static ChaperoneInfo instance
+		{
+			get
+			{
+				if ( _instance == null )
+				{
+					_instance = new GameObject( "[ChaperoneInfo]" ).AddComponent<ChaperoneInfo>();
+					_instance.initialized = false;
+					_instance.playAreaSizeX = 1.0f;
+					_instance.playAreaSizeZ = 1.0f;
+					_instance.roomscale = false;
+
+					DontDestroyOnLoad( _instance.gameObject );
+				}
+				return _instance;
+			}
+		}
+
+
+		//-------------------------------------------------
+		IEnumerator Start()
+		{
+			// Uncomment for roomscale testing
+			//_instance.initialized = true;
+			//_instance.playAreaSizeX = UnityEngine.Random.Range( 1.0f, 4.0f );
+			//_instance.playAreaSizeZ = UnityEngine.Random.Range( 1.0f, _instance.playAreaSizeX );
+			//_instance.roomscale = true;
+			//ChaperoneInfo.Initialized.Send();
+			//yield break;
+
+			// Get interface pointer
+			var chaperone = OpenVR.Chaperone;
+			if ( chaperone == null )
+			{
+				Debug.LogWarning( "Failed to get IVRChaperone interface." );
+				initialized = true;
+				yield break;
+			}
+
+			// Get play area size
+			while ( true )
+			{
+				float px = 0.0f, pz = 0.0f;
+				if ( chaperone.GetPlayAreaSize( ref px, ref pz ) )
+				{
+					initialized = true;
+					playAreaSizeX = px;
+					playAreaSizeZ = pz;
+					roomscale = Mathf.Max( px, pz ) > 1.01f;
+
+					Debug.LogFormat( "ChaperoneInfo initialized. {2} play area {0:0.00}m x {1:0.00}m", px, pz, roomscale ? "Roomscale" : "Standing" );
+
+					ChaperoneInfo.Initialized.Send();
+
+					yield break;
+				}
+
+				yield return null;
+			}
+		}
+	}
+}