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Assets/Oculus/LipSync/Scripts/Helpers/OVRTouchpad.cs

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+/************************************************************************************
+Filename    :   OVRTouchpad.cs
+Content     :   Interface to touchpad
+Created     :   November 13, 2013
+Copyright   :   Copyright Facebook Technologies, LLC and its affiliates.
+                All rights reserved.
+
+Licensed under the Oculus Audio SDK License Version 3.3 (the "License");
+you may not use the Oculus Audio SDK except in compliance with the License,
+which is provided at the time of installation or download, or which
+otherwise accompanies this software in either electronic or hard copy form.
+
+You may obtain a copy of the License at
+
+https://developer.oculus.com/licenses/audio-3.3/
+
+Unless required by applicable law or agreed to in writing, the Oculus Audio SDK
+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 UnityEngine;
+using System;
+
+//-------------------------------------------------------------------------------------
+// ***** OVRTouchpad
+//
+// OVRTouchpad is an interface class to a touchpad.
+//
+public static class OVRTouchpad
+{
+    //-------------------------
+    // Input enums
+    public enum TouchEvent { SingleTap, DoubleTap, Left, Right, Up, Down };
+
+    // mouse
+    static Vector3 moveAmountMouse;
+    static float   minMovMagnitudeMouse = 25.0f;
+
+    public delegate void OVRTouchpadCallback<TouchEvent>(TouchEvent arg);
+    static public Delegate touchPadCallbacks = null;
+
+    //Disable the unused variable warning
+#pragma warning disable 0414
+
+    //Ensures that the TouchpadHelper will be created automatically upon start of the game.
+    static private OVRTouchpadHelper touchpadHelper =
+    ( new GameObject("OVRTouchpadHelper") ).AddComponent< OVRTouchpadHelper >();
+
+#pragma warning restore 0414
+
+    // We will call this to create the TouchpadHelper class. This will
+    // add the Touchpad game object into the world and we can call into
+    // TouchEvent static functions to hook delegates into for touch capture
+    static public void Create()
+    {
+        // Does nothing but call constructor to add game object into scene
+    }
+
+    // Update
+    static public void Update()
+    {
+        // MOUSE INPUT
+
+        if(Input.GetMouseButtonDown(0))
+        {
+            moveAmountMouse = Input.mousePosition;
+        }
+        else if(Input.GetMouseButtonUp(0))
+        {
+            moveAmountMouse -= Input.mousePosition;
+            HandleInputMouse(ref moveAmountMouse);
+        }
+    }
+
+    // OnDisable
+    static public void OnDisable()
+    {
+    }
+
+    // HandleInputMouse
+    static void HandleInputMouse(ref Vector3 move)
+    {
+        if (touchPadCallbacks == null)
+        {
+            return;
+        }
+        OVRTouchpadCallback<TouchEvent> callback = touchPadCallbacks as OVRTouchpadCallback<TouchEvent>;
+
+        if ( move.magnitude < minMovMagnitudeMouse)
+        {
+            callback(TouchEvent.SingleTap);
+        }
+        else
+        {
+            move.Normalize();
+
+            // Left/Right
+            if (Mathf.Abs(move.x) > Mathf.Abs(move.y))
+            {
+                if (move.x > 0.0f)
+                    callback(TouchEvent.Left);
+                else
+                    callback(TouchEvent.Right);
+            }
+            // Up/Down
+            else
+            {
+                if (move.y > 0.0f)
+                    callback(TouchEvent.Down);
+                else
+                    callback(TouchEvent.Up);
+            }
+        }
+    }
+
+    static public void AddListener(OVRTouchpadCallback<TouchEvent> handler)
+    {
+        touchPadCallbacks = (OVRTouchpadCallback<TouchEvent>)touchPadCallbacks + handler;
+    }
+}
+
+//-------------------------------------------------------------------------------------
+// ***** OVRTouchpadHelper
+//
+// This singleton class gets created and stays resident in the application. It is used to
+// trap the touchpad values, which get broadcast to any listener on the "Touchpad" channel.
+//
+// This class also demontrates how to make calls from any class that needs these events by
+// setting up a listener to "Touchpad" channel.
+public sealed class OVRTouchpadHelper : MonoBehaviour
+{
+    void Awake ()
+    {
+        DontDestroyOnLoad(gameObject);
+    }
+
+    void Start ()
+    {
+        // Add a listener to the OVRTouchpad for testing
+        OVRTouchpad.AddListener(LocalTouchEventCallback);
+    }
+
+
+    void Update ()
+    {
+        OVRTouchpad.Update();
+    }
+
+
+    public void OnDisable()
+    {
+        OVRTouchpad.OnDisable();
+    }
+
+    // LocalTouchEventCallback
+    void LocalTouchEventCallback(OVRTouchpad.TouchEvent touchEvent)
+    {
+        switch(touchEvent)
+        {
+            case(OVRTouchpad.TouchEvent.SingleTap):
+//            OVRLipSyncDebugConsole.Clear();
+//            OVRLipSyncDebugConsole.ClearTimeout(1.5f);
+//            OVRLipSyncDebugConsole.Log("TP-SINGLE TAP");
+            break;
+
+            case(OVRTouchpad.TouchEvent.DoubleTap):
+//            OVRLipSyncDebugConsole.Clear();
+//            OVRLipSyncDebugConsole.ClearTimeout(1.5f);
+//            OVRLipSyncDebugConsole.Log("TP-DOUBLE TAP");
+            break;
+
+            case(OVRTouchpad.TouchEvent.Left):
+//            OVRLipSyncDebugConsole.Clear();
+//            OVRLipSyncDebugConsole.ClearTimeout(1.5f);
+//            OVRLipSyncDebugConsole.Log("TP-SWIPE LEFT");
+            break;
+
+            case(OVRTouchpad.TouchEvent.Right):
+//            OVRLipSyncDebugConsole.Clear();
+//            OVRLipSyncDebugConsole.ClearTimeout(1.5f);
+//            OVRLipSyncDebugConsole.Log("TP-SWIPE RIGHT");
+            break;
+
+            case(OVRTouchpad.TouchEvent.Up):
+//            OVRLipSyncDebugConsole.Clear();
+//            OVRLipSyncDebugConsole.ClearTimeout(1.5f);
+//            OVRLipSyncDebugConsole.Log("TP-SWIPE UP");
+            break;
+
+            case(OVRTouchpad.TouchEvent.Down):
+//            OVRLipSyncDebugConsole.Clear();
+//            OVRLipSyncDebugConsole.ClearTimeout(1.5f);
+//            OVRLipSyncDebugConsole.Log("TP-SWIPE DOWN");
+            break;
+        }
+    }
+
+}
+