Server log, ai characters steer away from the abyss

Subsurface/Source/Networking/ServerLog.cs

@@ -0,0 +1,69 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+
+namespace Barotrauma.Networking
+{
+    class ServerLog
+    {
+        const int LinesPerFile = 500;
+
+        const string SavePath = "ServerLogs";
+
+        private string serverName;
+
+        private Queue<string> lines;
+
+        public ServerLog(string serverName)
+        {
+            this.serverName = serverName;
+
+            lines = new Queue<string>();
+        }
+
+        public void WriteLine(string line)
+        {
+            string logLine = "[" + DateTime.Now.ToLongTimeString() + "] " + line;
+
+            lines.Enqueue(logLine);
+
+            if (lines.Count>=LinesPerFile)
+            {
+                Save();
+            }
+        }
+
+        public void Save()
+        {
+            if (!Directory.Exists(SavePath))
+            {
+                try
+                {
+                    Directory.CreateDirectory(SavePath);
+                }
+                catch (Exception e)
+                {
+                    DebugConsole.ThrowError("Failed to create a folder for server logs", e);
+                    return;
+                }                
+            }
+
+            string fileName = serverName+"_"+DateTime.Now.ToShortDateString()+"_"+DateTime.Now.ToShortTimeString()+".txt";
+
+            fileName = fileName.Replace(":", "");
+
+            string filePath = Path.Combine(SavePath, fileName);
+
+            try
+            {
+                File.WriteAllLines(filePath, lines);
+            }
+            catch (Exception e)
+            {
+                DebugConsole.ThrowError("Saving the server log to " + filePath + " failed", e);
+            }
+        }
+    }
+}