Initial Commit

Assets/Imstk/Scripts/Devices/VrpnDeviceManager.cs

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+/*=========================================================================
+
+   Library: iMSTK-Unity
+
+   Copyright (c) Kitware, Inc. 
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0.txt
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+=========================================================================*/
+
+using System.Threading;
+using UnityEngine;
+
+namespace ImstkUnity
+{
+#if IMSTK_USE_VRPN
+    // If this is not defined iMSTK was not built with VRPN enabled
+    // to use build iMSTK with the flag iMSTK_USE_VRPN set to ON
+    [AddComponentMenu("iMSTK/VrpnDeviceManager")]
+    public class VrpnDeviceManager : MonoBehaviour
+    {
+        private static VrpnDeviceManager _instance;
+        
+        // Probably Refactor to Singleton base class
+        public static VrpnDeviceManager Instance
+        {
+            get { return _instance; }
+        }
+
+        public string host = "localhost";
+        public int port = 3883;
+
+        private Imstk.VRPNDeviceManager _manager;
+        private Thread thread;
+        private bool running = false;
+
+        public void Awake()
+        {
+            _instance = this;
+        }
+
+        public void InitManager()
+        {
+            if (_manager == null)
+            {
+                _manager = new Imstk.VRPNDeviceManager(host, port);
+                if (_manager == null) Debug.LogError("Could not create VRPNDevice Manager");
+                _manager.setSleepDelay(20);
+                _manager.init();
+            }
+        }
+
+        public Imstk.DeviceClient MakeDeviceClient(ImstkUnity.VrpnDevice device)
+        {
+            InitManager();
+            return _manager.makeDeviceClient(device.Name, device.Type);
+        }    
+
+        public void StartManager()
+        {
+            if (running) return;
+
+            InitManager();
+            running = true;
+            Debug.Log("VRPN Thread Starting");
+            thread = new Thread(() =>
+            {
+                while (running)
+                {
+                    _manager.update();
+                }
+            });
+            thread.Start();
+        }
+        public void StopManager()
+        {
+            if (_manager == null) return;
+            if (!running) return; 
+            running = false;
+            thread.Join();
+
+            Debug.Log("VRPN Thread Stopping");
+            _manager.uninit();
+            thread = null;
+        }
+    }
+#else
+    [AddComponentMenu("iMSTK/VrpnDeviceManager")]
+    public class VrpnDeviceManager : MonoBehaviour
+    {
+        // Probably Refactor to Singleton base class
+        public static VrpnDeviceManager Instance
+        {
+            get { 
+                Debug.LogError("VRPN is not enable in this build");
+                return null;
+            }
+        }
+
+
+        public void Awake()
+        {
+            var a = Instance;
+        }
+
+        public void InitManager() {}
+
+        public Imstk.DeviceClient MakeDeviceClient(ImstkUnity.VrpnDevice device) {
+            return null; 
+        }
+
+        public void StartManager() {}
+        public void StopManager() {}
+    }
+#endif
+}