ReadRangedSingle() public method

Reads a 32 bit floating point value written using WriteRangedSingle()
public ReadRangedSingle ( float min, float max, int numberOfBits ) : float
min float The minimum value used when writing the value
max float The maximum value used when writing the value
numberOfBits int The number of bits used when writing the value
return float
Ejemplo n.º 1
0
		static unsafe void Main(string[] args)
		{
			// JIT stuff
			NetBuffer msg = new NetBuffer(20);
			msg.Write((short)short.MaxValue);
			
			// Go
			double timeStart = NetTime.Now;

			msg = new NetBuffer(20);
			for (int n = 0; n < 10000; n++)
			{
				msg.Reset();

				msg.Write((short)short.MaxValue);
				msg.Write((short)short.MinValue);
				msg.Write((short)-42);

				msg.Write(421);
				msg.Write((byte)7);
				msg.Write(-42.8f);

				if (msg.LengthBytes != 15)
					throw new Exception("Bad message length");

				msg.Write("duke of earl");

				int bytesWritten;
				bytesWritten = msg.WriteVariableInt32(-1);
				bytesWritten = msg.WriteVariableInt32(5);
				bytesWritten = msg.WriteVariableInt32(-18);
				bytesWritten = msg.WriteVariableInt32(42);
				bytesWritten = msg.WriteVariableInt32(-420);

				msg.Write((uint)9991);

				// byte boundary kept until here

				msg.Write(true);
				msg.Write((uint)3, 5);
				msg.Write(8.111f);
				msg.Write("again");
				byte[] arr = new byte[] { 1, 6, 12, 24 };
				msg.Write(arr);
				msg.Write((byte)7, 7);
				msg.Write(Int32.MinValue);
				msg.Write(UInt32.MaxValue);
				msg.WriteRangedSingle(21.0f, -10, 50, 12);

				// test reduced bit signed writing
				msg.Write(15, 5);
				msg.Write(2, 5);
				msg.Write(0, 5);
				msg.Write(-1, 5);
				msg.Write(-2, 5);
				msg.Write(-15, 5);

				msg.Write(UInt64.MaxValue);
				msg.Write(Int64.MaxValue);
				msg.Write(Int64.MinValue);

				msg.Write(42);
				msg.WritePadBits();

				int numBits = msg.WriteRangedInteger(0, 10, 5);
				if (numBits != 4)
					throw new Exception("Ack WriteRangedInteger failed");

				// verify
				msg.Position = 0;

				short a = msg.ReadInt16();
				short b = msg.ReadInt16();
				short c = msg.ReadInt16();

				if (a != short.MaxValue || b != short.MinValue || c != -42)
					throw new Exception("Ack thpth short failed");

				if (msg.ReadInt32() != 421)
					throw new Exception("Ack thphth 1");
				if (msg.ReadByte() != (byte)7)
					throw new Exception("Ack thphth 2");
				if (msg.ReadSingle() != -42.8f)
					throw new Exception("Ack thphth 3");
				if (msg.ReadString() != "duke of earl")
					throw new Exception("Ack thphth 4");

				if (msg.ReadVariableInt32() != -1) throw new Exception("ReadVariableInt32 failed 1");
				if (msg.ReadVariableInt32() != 5) throw new Exception("ReadVariableInt32 failed 2");
				if (msg.ReadVariableInt32() != -18) throw new Exception("ReadVariableInt32 failed 3");
				if (msg.ReadVariableInt32() != 42) throw new Exception("ReadVariableInt32 failed 4");
				if (msg.ReadVariableInt32() != -420) throw new Exception("ReadVariableInt32 failed 5");

				if (msg.ReadUInt32() != 9991)
					throw new Exception("Ack thphth 4.5");

				if (msg.ReadBoolean() != true)
					throw new Exception("Ack thphth 5");
				if (msg.ReadUInt32(5) != (uint)3)
					throw new Exception("Ack thphth 6");
				if (msg.ReadSingle() != 8.111f)
					throw new Exception("Ack thphth 7");
				if (msg.ReadString() != "again")
					throw new Exception("Ack thphth 8");
				byte[] rrr = msg.ReadBytes(4);
				if (rrr[0] != arr[0] || rrr[1] != arr[1] || rrr[2] != arr[2] || rrr[3] != arr[3])
					throw new Exception("Ack thphth 9");
				if (msg.ReadByte(7) != 7)
					throw new Exception("Ack thphth 10");
				if (msg.ReadInt32() != Int32.MinValue)
					throw new Exception("Ack thphth 11");
				if (msg.ReadUInt32() != UInt32.MaxValue)
					throw new Exception("Ack thphth 12");

				float v = msg.ReadRangedSingle(-10, 50, 12);
				// v should be close to, but not necessarily exactly, 21.0f
				if ((float)Math.Abs(21.0f - v) > 0.1f)
					throw new Exception("Ack thphth *RangedSingle() failed");

				if (msg.ReadInt32(5) != 15)
					throw new Exception("Ack thphth ReadInt32 1");
				if (msg.ReadInt32(5) != 2)
					throw new Exception("Ack thphth ReadInt32 2");
				if (msg.ReadInt32(5) != 0)
					throw new Exception("Ack thphth ReadInt32 3");
				if (msg.ReadInt32(5) != -1)
					throw new Exception("Ack thphth ReadInt32 4");
				if (msg.ReadInt32(5) != -2)
					throw new Exception("Ack thphth ReadInt32 5");
				if (msg.ReadInt32(5) != -15)
					throw new Exception("Ack thphth ReadInt32 6");

				UInt64 longVal = msg.ReadUInt64();
				if (longVal != UInt64.MaxValue)
					throw new Exception("Ack thphth UInt64");
				if (msg.ReadInt64() != Int64.MaxValue)
					throw new Exception("Ack thphth Int64");
				if (msg.ReadInt64() != Int64.MinValue)
					throw new Exception("Ack thphth Int64");

				if (msg.ReadInt32() != 42)
					throw new Exception("Ack thphth end");

				msg.SkipPadBits();

				if (msg.ReadRangedInteger(0, 10) != 5)
					throw new Exception("Ack thphth ranged integer");
			}

			// test writevariableuint64
			NetBuffer largeBuffer = new NetBuffer(100 * 8);
			UInt64[] largeNumbers = new ulong[100];
			for (int i = 0; i < 100; i++)
			{
				largeNumbers[i] = ((ulong)NetRandom.Instance.NextUInt() << 32) | (ulong)NetRandom.Instance.NextUInt();
				largeBuffer.WriteVariableUInt64(largeNumbers[i]);
			}

			largeBuffer.Position = 0;
			for (int i = 0; i < 100; i++)
			{
				UInt64 ln = largeBuffer.ReadVariableUInt64();
				if (ln != largeNumbers[i])
					throw new Exception("large fail");
			}

			//
			// Extended tests on padbits
			//
			for (int i = 1; i < 31; i++)
			{
				NetBuffer buf = new NetBuffer();
				buf.Write((int)1, i);

				if (buf.LengthBits != i)
					throw new Exception("Bad length!");

				buf.WritePadBits();
				int wholeBytes = buf.LengthBits / 8;
				if (wholeBytes * 8 != buf.LengthBits)
					throw new Exception("WritePadBits failed! Length is " + buf.LengthBits);
			}

			NetBuffer small = new NetBuffer(100);
			byte[] rnd = new byte[24];
			int[] bits = new int[24];
			for (int i = 0; i < 24; i++)
			{
				rnd[i] = (byte)NetRandom.Instance.Next(0, 65);
				bits[i] = NetUtility.BitsToHoldUInt((uint)rnd[i]);

				small.Write(rnd[i], bits[i]);
			}

			small.Position = 0;
			for (int i = 0; i < 24; i++)
			{
				byte got = small.ReadByte(bits[i]);
				if (got != rnd[i])
					throw new Exception("Failed small allocation test");
			}

			double timeEnd = NetTime.Now;
			double timeSpan = timeEnd - timeStart;

			Console.WriteLine("Trivial tests passed in " + (timeSpan * 1000.0) + " milliseconds");

			Console.WriteLine("Creating client and server for live testing...");

			NetConfiguration config = new NetConfiguration("unittest");
			config.Port = 14242;
			NetServer server = new NetServer(config);
			NetBuffer serverBuffer = new NetBuffer();
			server.Start();

			config = new NetConfiguration("unittest");
			NetClient client = new NetClient(config);
			client.SetMessageTypeEnabled(NetMessageType.Receipt, true);
			NetBuffer clientBuffer = client.CreateBuffer();
			client.Start();

			client.Connect("127.0.0.1", 14242);

			List<string> events = new List<string>();

			double end = double.MaxValue;
			double disconnect = double.MaxValue;

			while (NetTime.Now < end)
			{
				double now = NetTime.Now;

				NetMessageType nmt;
				NetConnection sender;

				//
				// client
				//
				if (client.ReadMessage(clientBuffer, out nmt))
				{
					switch (nmt)
					{
						case NetMessageType.StatusChanged:
							Console.WriteLine("Client: " + client.Status + " (" + clientBuffer.ReadString() + ")");
							events.Add("CStatus " + client.Status);
							if (client.Status == NetConnectionStatus.Connected)
							{
								// send reliable message
								NetBuffer buf = client.CreateBuffer();
								buf.Write(true);
								buf.Write((int)52, 7);
								buf.Write("Hallon");

								client.SendMessage(buf, NetChannel.ReliableInOrder1, new NetBuffer("kokos"));
							}

							if (client.Status == NetConnectionStatus.Disconnected)
								end = NetTime.Now + 1.0; // end in one second

							break;
						case NetMessageType.Receipt:
							events.Add("CReceipt " + clientBuffer.ReadString());
							break;
						case NetMessageType.ConnectionRejected:
						case NetMessageType.BadMessageReceived:
							throw new Exception("Failed: " + nmt);
						case NetMessageType.DebugMessage:
							// silently ignore
							break;
						default:
							// ignore
							Console.WriteLine("Ignored: " + nmt);
							break;
					}
				}

				//
				// server
				//
				if (server.ReadMessage(serverBuffer, out nmt, out sender))
				{
					switch (nmt)
					{
						case NetMessageType.StatusChanged:
							events.Add("SStatus " + sender.Status);
							Console.WriteLine("Server: " + sender.Status + " (" + serverBuffer.ReadString() + ")");
							break;
						case NetMessageType.ConnectionRejected:
						case NetMessageType.BadMessageReceived:
							throw new Exception("Failed: " + nmt);
						case NetMessageType.Data:
							events.Add("DataRec " + serverBuffer.LengthBits);
							bool shouldBeTrue = serverBuffer.ReadBoolean();
							int shouldBeFifthTwo = serverBuffer.ReadInt32(7);
							string shouldBeHallon = serverBuffer.ReadString();

							if (shouldBeTrue != true ||
								shouldBeFifthTwo != 52 ||
								shouldBeHallon != "Hallon")
								throw new Exception("Bad data transmission");

							disconnect = now + 1.0;
							break;
						case NetMessageType.DebugMessage:
							// silently ignore
							break;
						default:
							// ignore
							Console.WriteLine("Ignored: " + nmt);
							break;
					}
				}

				if (now > disconnect)
				{
					server.Connections[0].Disconnect("Bye", 0.1f);
					disconnect = double.MaxValue;
				}
			}

			// verify events
			string[] expected = new string[] {
				"CStatus Connecting",
				"SStatus Connecting",
				"CStatus Connected",
				"SStatus Connected",
				"DataRec 64",
				"CReceipt kokos",
				"SStatus Disconnecting",
				"CStatus Disconnecting",
				"SStatus Disconnected",
				"CStatus Disconnected"
			};

			if (events.Count != expected.Length)
				throw new Exception("Mismatch in events count! Expected " + expected.Length + ", got " + events.Count);

			for(int i=0;i<expected.Length;i++)
			{
				if (events[i] != expected[i])
					throw new Exception("Event " + i + " (" + expected[i] + ") mismatched!");
			}

			Console.WriteLine("All tests successful");

			Console.ReadKey();

			server.Shutdown("App exiting");
			client.Shutdown("App exiting");
		}