From 2353c3ba37ae67bf748d62a21d704b6591bb1967 Mon Sep 17 00:00:00 2001
From: silentbaws <silentbaws@hotmail.com>
Date: Fri, 29 May 2020 09:52:36 -0400
Subject: [PATCH] Add server messages motd, msg

---
 XLMultiplayer/MultiplayerController.cs | 13 ++++--
 XLMultiplayerServer/FileServer.cs      |  2 +
 XLMultiplayerServer/Server.cs          | 64 +++++++++++++++++++++++++-
 3 files changed, 73 insertions(+), 6 deletions(-)

diff --git a/XLMultiplayer/MultiplayerController.cs b/XLMultiplayer/MultiplayerController.cs
index cd89352..76294e4 100644
--- a/XLMultiplayer/MultiplayerController.cs
+++ b/XLMultiplayer/MultiplayerController.cs
@@ -19,17 +19,14 @@
 using XLShredLib;
 using XLShredLib.UI;
 
-// TODO LIST FOR 0.8.0
-
 // TODO: Redo the multiplayer texture system
 //			-> Send paths for non-custom gear
 //			-> Send hashes of full size textures for custom gear along with compressed texture
 //			-> Only send hashes/paths from server unless client requests texture data
 
-// TODO: Create 2 connections -> One for gameplay 
-//								-> One for files
+	// TODO: message of the day
 
-// TODO: Fix dawgs board mod for mp
+	// TODO: server announce
 
 namespace XLMultiplayer {
 	public enum OpCode : byte {
@@ -43,6 +40,7 @@ public enum OpCode : byte {
 		MapHash = 7,
 		MapVote = 8,
 		MapList = 9,
+		ServerMessage = 10,
 		StillAlive = 254,
 		Disconnect = 255
 	}
@@ -749,6 +747,11 @@ private void ProcessMessage(byte[] buffer) {
 				case OpCode.MapVote:
 					Main.utilityMenu.SendImportantChat("<b><color=#ff00ffff>MAP VOTING HAS BEGUN. THE MAP WILL CHANGE IN 30 SECONDS</color></b>", 10000);
 					break;
+				case OpCode.ServerMessage:
+					int duration = BitConverter.ToInt32(buffer, 1);
+					string messageText = ASCIIEncoding.ASCII.GetString(buffer, 5, buffer.Length - 5);
+					Main.utilityMenu.SendImportantChat(messageText, duration);
+					break;
 				case OpCode.StillAlive:
 					float sentTime = BitConverter.ToSingle(buffer, 1);
 					pingTimes.Add(Time.time - sentTime);
diff --git a/XLMultiplayerServer/FileServer.cs b/XLMultiplayerServer/FileServer.cs
index 0750b60..7789173 100644
--- a/XLMultiplayerServer/FileServer.cs
+++ b/XLMultiplayerServer/FileServer.cs
@@ -38,6 +38,8 @@ public static void StatusCallbackFunction(ref StatusInfo info, IntPtr context) {
 							break;
 						}
 
+						if (Server.motdBytes != null) server.SendMessageToConnection(info.connection, Server.motdBytes);
+
 						Console.WriteLine("connected on file server");
 					} break;
 
diff --git a/XLMultiplayerServer/Server.cs b/XLMultiplayerServer/Server.cs
index 106961e..db59c2c 100644
--- a/XLMultiplayerServer/Server.cs
+++ b/XLMultiplayerServer/Server.cs
@@ -27,6 +27,7 @@ public enum OpCode : byte {
 		MapHash = 7,
 		MapVote = 8,
 		MapList = 9,
+		ServerMessage = 10,
 		StillAlive = 254,
 		Disconnect = 255
 	}
@@ -137,6 +138,7 @@ class Server {
 		private static string currentMapHash = "1";
 
 		public static List<string> bannedIPs = new List<string>();
+		public static byte[] motdBytes = null;
 
 		public static int Main(String[] args) {
 			Console.ForegroundColor = ConsoleColor.White;
@@ -311,8 +313,68 @@ public static void CommandLoop() {
 					} else {
 						Console.WriteLine("Invalid player ID");
 					}
+				} else if (input.ToLower().StartsWith("msg")) {
+					byte[] messageBytes = ProcessMessageCommand(input);
+					if (messageBytes != null) {
+						foreach(Player player in players) {
+							if(player != null) {
+								FileServer.server.SendMessageToConnection(player.fileConnection, messageBytes, SendFlags.Reliable);
+							}
+						}
+					}
+				} else if (input.ToLower().StartsWith("motd")) {
+					byte[] messageBytes = ProcessMessageCommand(input);
+					if (messageBytes != null) {
+						motdBytes = messageBytes;
+					}
+				}
+			}
+		}
+
+		public static byte[] ProcessMessageCommand(string input) {
+			//msg:duration:color content of message here
+			//   - duration/color optional parameters so default duration is 10 seconds, default color ff00ff
+			string[] msgParams = input.Split(new char[] { ' ' }, 2);
+
+			if (msgParams.Length < 2) return null;
+
+			string[] msgSettings = msgParams[0].Split(':');
+
+			int duration = 10;
+			string msgColor = "ff00ff";
+
+			string acceptableCharacters = "abcdef0123456789";
+
+			if (msgSettings.Length > 1) {
+				if (Int32.TryParse(msgSettings[1], out duration)) {
+					duration = Math.Min(duration, 60);
+					duration = Math.Max(duration, 5);
+				} else {
+					duration = 10;
 				}
 			}
+			if (msgSettings.Length > 2) {
+				bool validColor = true;
+
+				foreach (char c in msgSettings[2]) {
+					if (!acceptableCharacters.Contains(c.ToString())) {
+						validColor = false;
+					}
+				}
+				validColor = validColor && (msgSettings[2].Length == 3 || msgSettings[2].Length == 6);
+
+				if (validColor) {
+					msgColor = msgSettings[2];
+				}
+			}
+			
+			string messageText = $"<b><color=#{msgColor}>{msgParams[1]}</color></b>";
+			byte[] messageBytes = new byte[messageText.Length + 5];
+			messageBytes[0] = (byte)OpCode.ServerMessage;
+			Array.Copy(BitConverter.GetBytes(duration * 1000), 0, messageBytes, 1, 4);
+			Array.Copy(ASCIIEncoding.ASCII.GetBytes(messageText), 0, messageBytes, 5, messageText.Length);
+
+			return messageBytes;
 		}
 
 		public static void ProcessMessage(byte[] buffer, byte fromID, NetworkingSockets server) {
@@ -792,7 +854,7 @@ public static void HandleUsername(object data) {
 				}
 			}
 
-			Console.WriteLine("Connection {0}'s username is {1}", fromID, username);
+			Console.WriteLine("Connection {0}'s username is {1}", fromID, RemoveMarkup(username));
 
 			if (players[fromID] != null) {
 				players[fromID].username = username;