ViveTrackerManagement

ViveTrackerManagement.cs

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

using Valve.VR;

public class ViveTrackerManagement : MonoBehaviour {

	// Use this for initialization
	void Start () {
		
	}

	void OnEnable()
	{
		SteamVR_Events.Initializing.Listen(OnInitializing);
		SteamVR_Events.Calibrating.Listen(OnCalibrating);
		SteamVR_Events.OutOfRange.Listen(OnOutOfRange);
		SteamVR_Events.DeviceConnected.Listen(OnDeviceConnected);
		SteamVR_Events.NewPoses.Listen(OnNewPoses);
	}
	void OnDisable()
	{
		SteamVR_Events.Initializing.Remove(OnInitializing);
		SteamVR_Events.Calibrating.Remove(OnCalibrating);
		SteamVR_Events.OutOfRange.Remove(OnOutOfRange);
		SteamVR_Events.DeviceConnected.Remove(OnDeviceConnected);
		SteamVR_Events.NewPoses.Remove(OnNewPoses);
	}

	#region Event callbacks

	private void OnInitializing(bool initializing)
	{
		Debug.Log("initializing: "+ initializing);
	}

	private void OnCalibrating(bool calibrating)
	{
		Debug.Log("calibrating: "+ calibrating);
	}

	private void OnOutOfRange(bool outOfRange)
	{
		Debug.Log("outOfRange: "+ outOfRange);
	}

	private void OnDeviceConnected(int i, bool connected)
	{
		Debug.Log("connected: "+ i+" : "+connected);
	}
	
	TrackedDevicePose_t[] devices;

	private void OnNewPoses(TrackedDevicePose_t[] poses)
	{
		devices = poses;
	}
	#endregion
	
	// Update is called once per frame
	void Update () {
		
	}

	[SerializeField]
	Rect drawRect = new Rect(10,10,200,200);

	[SerializeField]
	float width0 = 200;
	[SerializeField]
	float width1 = 200;
	[SerializeField]
	float width2 = 200;

	void OnGUI()
	{		
		GUILayout.BeginArea (drawRect);
		GUILayout.BeginVertical ("box");
		var system = OpenVR.System;

		if (system == null) {
			GUILayout.Label ("Error");
		} else {
			for (int i = 0; i < devices.Length; i++) {
				TrackedDevicePose_t dev = devices [i];
				string deviceName = "unknown";
				if (dev.bDeviceIsConnected) {
					deviceName = GetModelNameById (system, i); // name
				}
				if (dev.eTrackingResult != 0) {
					SteamVR_Utils.RigidTransform pose = new SteamVR_Utils.RigidTransform (dev.mDeviceToAbsoluteTracking);

					float per = GetBatteryPercentage (system, i);
					string batt = "none";
					if (per > 0) {
						batt = (per * 100).ToString ("0") + "%";
					}

//					VRControllerState_t controllerState;
//					system.GetControllerState ((uint)i, ref controllerState, 0);

					ETrackedControllerRole role = system.GetControllerRoleForTrackedDeviceIndex ((uint)i);
					uint index = system.GetTrackedDeviceIndexForControllerRole (role);

					string activityLv = GetActivityLevel (system, i);

//					GUILayout.Label (i + " / connect: " + dev.bDeviceIsConnected + " / Tracking: " + dev.eTrackingResult + " / Pose IsValid: " + dev.bPoseIsValid + " / Activity: " + activityLv + " / " + deviceName + " / " + batt + " / role: "+role);
//					GUILayout.Label (i + " / Tracking: " + dev.eTrackingResult + " / Pose IsValid: " + dev.bPoseIsValid + " / Activity: " + activityLv + " / " + deviceName + " / " + batt + " / role: "+role);

					GUILayout.BeginHorizontal ();
					GUILayout.Label (i + " | Tracking: " + dev.eTrackingResult + " / Pose IsValid: " + dev.bPoseIsValid  +  " | " + deviceName, GUILayout.Width(width0));
					GUILayout.Label (" | Activity: " + activityLv, GUILayout.Width(width1));
					GUILayout.Label (" | " + batt + " | role: "+role, GUILayout.Width(width2));
					GUILayout.EndHorizontal ();
				}
			}
		}
		GUILayout.EndVertical ();
		GUILayout.EndArea ();
	}

	string GetModelNameById(CVRSystem system, int i)
	{
		string s = "";
		var error = ETrackedPropertyError.TrackedProp_Success;
		var capacity = system.GetStringTrackedDeviceProperty ((uint)i, ETrackedDeviceProperty.Prop_RenderModelName_String, null, 0, ref error);
		if (capacity <= 1) {
			return "error";
		}

		var buffer = new System.Text.StringBuilder ((int)capacity);
		system.GetStringTrackedDeviceProperty ((uint)i, ETrackedDeviceProperty.Prop_RenderModelName_String, buffer, capacity, ref error);

		s = buffer.ToString ();

		return s;
	}
	
	string GetActivityLevel(CVRSystem system, int i){
		EDeviceActivityLevel activeLevel = system.GetTrackedDeviceActivityLevel ((uint)i);

		return activeLevel.ToString ().Substring (23).ToString ();
	}

	float GetBatteryPercentage(CVRSystem system, int i)
	{
		ETrackedPropertyError error = ETrackedPropertyError.TrackedProp_Success;
		float capacity = system.GetFloatTrackedDeviceProperty((uint)i, ETrackedDeviceProperty.Prop_DeviceBatteryPercentage_Float, ref error);
		if (error != ETrackedPropertyError.TrackedProp_Success) {
			return -1;
		}
		return capacity;
	}
}