Add C# client example (#9)

client-examples/BrutalmazeClient.cs

@@ -0,0 +1,104 @@
+using System;
+using System.Text;
+using System.Net.Sockets;
+
+namespace BrutalmazeClient
+{
+	class Program
+	{
+		static void Main(string[] args)
+		{
+			const string host = "localhost";
+			const int port = 8089;
+			Socket client_socket = new Socket(SocketType.Stream, ProtocolType.Tcp);
+			client_socket.Connect(host, port);
+			Random rnd = new Random();
+
+			int recv, sent;
+			byte[] buff = new byte[1000];
+			byte[] query;
+			string[] matrix = new string[100];
+			const int MAGIC = 42; // For escape
+			string l, data, l1;
+			int sz, nl;
+			int nh, ne, nb, score;
+			char hC;
+			int hX, hY, hA, canAtk, canReg;
+			int prevX = 1234, prevY = 5678;
+			int dir = 0, deg = 0, atk = 1;
+			int needEsc = 0;
+
+			while (42 < 420)
+			{
+				try
+				{
+					recv = client_socket.Receive(buff, 7, 0);
+				}
+				catch (SocketException e)
+				{
+					Console.WriteLine(e.ToString());
+					break;
+				}
+				l = Encoding.ASCII.GetString(buff, 0, 7);
+				sz = Int32.Parse(l);
+				if (sz == 0)
+					break;
+				recv = client_socket.Receive(buff, sz, 0);
+				data = Encoding.ASCII.GetString(buff, 0, sz);
+				// Standardize Data
+				nl = 0;
+				l1 = data.Split('\n')[nl];
+				nh = Int32.Parse(l1.Split(' ')[0]);
+				ne = Int32.Parse(l1.Split(' ')[1]);
+				nb = Int32.Parse(l1.Split(' ')[2]);
+				score = Int32.Parse(l1.Split(' ')[3]);
+				for (int i = 0; i < nh; ++i, ++nl)
+					matrix[i] = data.Split('\n')[i + 1];
+				l1 = data.Split('\n')[++nl];
+				hC = Char.Parse(l1.Split(' ')[0]);
+				hX = Int32.Parse(l1.Split(' ')[1]);
+				hY = Int32.Parse(l1.Split(' ')[2]);
+				hA = Int32.Parse(l1.Split(' ')[3]);
+				canAtk = Int32.Parse(l1.Split(' ')[4]);
+				canReg = Int32.Parse(l1.Split(' ')[5]);
+				for(int i = 1; i <= ne; ++i, ++nl)
+				{
+				}
+				for(int i = 1; i <= nb; ++i, ++nl)
+				{
+				}
+				// Process
+				if (needEsc == 0)
+				{
+					dir = 0;
+					if (prevX == hX && prevY == hY)
+					{
+						int matX = hX / 100, matY = hY / 100;
+						if (matrix[matY - 1][matX + 2] == '0' && matrix[matY - 1][matX - 2] == '1')
+						{
+							dir = 5;
+							needEsc = 1;
+						}
+						if (matrix[matY - 1][matX + 2] == '1' && matrix[matY + 1][matX - 2] == '0')
+						{
+							dir = 7;
+							needEsc = 1;
+						}
+					}
+				}
+				else
+				{
+					needEsc = (needEsc + 1) % MAGIC;
+				}
+				deg = rnd.Next(-4, 5) * 10;
+				atk = rnd.Next(1, 1);
+				query = Encoding.ASCII.GetBytes(dir.ToString() + " " + deg.ToString() + " " + atk.ToString());
+				sent = client_socket.Send(query);
+				prevX = hX;
+				prevY = hY;
+			}
+			client_socket.Shutdown(SocketShutdown.Both);
+			client_socket.Close();
+		}
+	}
+}