Progress on tutorial, gap tweaking (water flows faster from room to room), UPnP error messages, input keys in array, underwater aiming tweaking, tons of misc stuff commit more often ffs

Lidgren.Network/NetTime.cs

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+/* Copyright (c) 2010 Michael Lidgren
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+and associated documentation files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom
+the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or
+substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+*/
+#define IS_STOPWATCH_AVAILABLE
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Diagnostics;
+
+namespace Lidgren.Network
+{
+	/// <summary>
+	/// Time service
+	/// </summary>
+	public static class NetTime
+	{
+#if IS_STOPWATCH_AVAILABLE
+		private static readonly long s_timeInitialized = Stopwatch.GetTimestamp();
+		private static readonly double s_dInvFreq = 1.0 / (double)Stopwatch.Frequency;
+
+		/// <summary>
+		/// Get number of seconds since the application started
+		/// </summary>
+		public static double Now { get { return (double)(Stopwatch.GetTimestamp() - s_timeInitialized) * s_dInvFreq; } }
+#else
+		private static readonly uint s_timeInitialized = (uint)Environment.TickCount;
+
+		/// <summary>
+		/// Get number of seconds since the application started
+		/// </summary>
+		public static double Now { get { return (double)((uint)Environment.TickCount - s_timeInitialized) / 1000.0; } }
+#endif
+
+		/// <summary>
+		/// Given seconds it will output a human friendly readable string (milliseconds if less than 60 seconds)
+		/// </summary>
+		public static string ToReadable(double seconds)
+		{
+			if (seconds > 60)
+				return TimeSpan.FromSeconds(seconds).ToString();
+			return (seconds * 1000.0).ToString("N2") + " ms";
+		}
+	}
+}