--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Orchestland/Assets/OVR/Scripts/OVRPluginEvent.cs	Fri Jul 17 23:09:20 2015 +0900
@@ -0,0 +1,122 @@
+/************************************************************************************
+
+Copyright   :   Copyright 2014 Oculus VR, LLC. All Rights reserved.
+
+Licensed under the Oculus VR Rift SDK License Version 3.2 (the "License");
+you may not use the Oculus VR Rift 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
+
+http://www.oculusvr.com/licenses/LICENSE-3.2
+
+Unless required by applicable law or agreed to in writing, the Oculus VR 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;
+
+/// <summary>
+/// Matches the events in the native plugin.
+/// </summary>
+public enum RenderEventType
+{
+	// PC
+	BeginFrame = 0,
+	EndFrame = 1,
+	Initialize = 2,
+	Destroy = 3,
+
+	// Android
+	InitRenderThread = 0,
+	Pause = 1,
+	Resume = 2,
+	LeftEyeEndFrame = 3,
+	RightEyeEndFrame = 4,
+	TimeWarp = 5,
+	PlatformUI = 6,
+	PlatformUIConfirmQuit = 7,
+}
+
+/// <summary>
+/// Communicates with native plugin functions that run on the rendering thread.
+/// </summary>
+public static class OVRPluginEvent
+{
+	/// <summary>
+	/// Immediately issues the given event.
+	/// </summary>
+	public static void Issue(RenderEventType eventType)
+	{
+		GL.IssuePluginEvent(EncodeType((int)eventType));
+	}
+
+	/// <summary>
+	/// Create a data channel through the single 32-bit integer we are given to
+	/// communicate with the plugin.
+	/// Split the 32-bit integer event data into two separate "send-two-bytes"
+	/// plugin events. Then issue the explicit event that makes use of the data.
+	/// </summary>
+	public static void IssueWithData(RenderEventType eventType, int eventData)
+	{
+		// Encode and send-two-bytes of data
+		GL.IssuePluginEvent(EncodeData((int)eventType, eventData, 0));
+
+		// Encode and send remaining two-bytes of data
+		GL.IssuePluginEvent(EncodeData((int)eventType, eventData, 1));
+
+		// Explicit event that uses the data
+		GL.IssuePluginEvent(EncodeType((int)eventType));
+	}
+
+	// PRIVATE MEMBERS
+	//------------------------------
+	// Pack event data into a Uint32:
+	// - isDataFlag
+	// - bytePos
+	// - eventId data is associated with
+	// - 2-bytes of event data
+	//
+	// 31    30   29...25  24...16 15...0
+	// [data][pos][eventid][unused][payload]
+	//------------------------------
+	private const UInt32 IS_DATA_FLAG = 0x80000000;
+	private const UInt32 DATA_POS_MASK = 0x40000000;
+	private const int DATA_POS_SHIFT = 30;
+	private const UInt32 EVENT_TYPE_MASK = 0x3E000000;
+	private const int EVENT_TYPE_SHIFT = 25;
+	private const UInt32 PAYLOAD_MASK = 0x0000FFFF;
+	private const int PAYLOAD_SHIFT = 16;
+
+	private static int EncodeType(int eventType)
+	{
+		return (int)((UInt32)eventType & ~IS_DATA_FLAG); // make sure upper bit is not set
+	}
+
+	private static int EncodeData(int eventId, int eventData, int pos)
+	{
+		UInt32 data = 0;
+		data |= IS_DATA_FLAG;
+		data |= (((UInt32)pos << DATA_POS_SHIFT) & DATA_POS_MASK);
+		data |= (((UInt32)eventId << EVENT_TYPE_SHIFT) & EVENT_TYPE_MASK);
+		data |= (((UInt32)eventData >> (pos * PAYLOAD_SHIFT)) & PAYLOAD_MASK);
+
+		return (int)data;
+	}
+
+	private static int DecodeData(int eventData)
+	{
+//		bool hasData   = (((UInt32)eventData & IS_DATA_FLAG) != 0);
+		UInt32 pos     = (((UInt32)eventData & DATA_POS_MASK) >> DATA_POS_SHIFT);
+//		UInt32 eventId = (((UInt32)eventData & EVENT_TYPE_MASK) >> EVENT_TYPE_SHIFT);
+		UInt32 payload = (((UInt32)eventData & PAYLOAD_MASK) << (PAYLOAD_SHIFT * (int)pos));
+
+		return (int)payload;
+	}
+}