Welcome window

Source/Client/Settings/MpSettings.cs

@@ -33,6 +33,7 @@ public class MpSettings : ModSettings
         public bool hideOtherPlayersInColonistBar = false;
         public bool hideOtherPlayersQuests = false;
 
+        public string mostRecentVersionWelcomed = "";
 
         internal static readonly ColorRGBClient[] DefaultPlayerColors =
         {
@@ -82,6 +83,8 @@ public override void ExposeData()
 
             Scribe_Deep.Look(ref serverSettingsClient, "serverSettings");
             serverSettingsClient ??= new ServerSettingsClient();
+
+            Scribe_Values.Look(ref mostRecentVersionWelcomed, "playerWelcomedToThisVersion", "");
         }
     }
 

Source/Client/UI/MainMenuAnimation.cs

@@ -1,9 +1,10 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using HarmonyLib;
 using Multiplayer.Client.Util;
 using RimWorld;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
 using UnityEngine;
 using Verse;
 using Random = System.Random;
@@ -436,4 +437,6 @@ static void Postfix(ref bool __result)
                 __result = false;
         }
     }
+
+
 }

Source/Client/Windows/ServerBrowser.cs

@@ -19,6 +19,40 @@
 
 namespace Multiplayer.Client
 {
+    public static class WelcomeMessage
+    {
+        public static bool welcomedThisSession = false;
+
+        public static string version => "MpWelcomeVersion".Translate();
+
+
+        public static string Title()
+        {
+            string title = "MpWelcomeTitle".Translate(version) ;
+            return title;
+        }
+        public static TaggedString Message()
+        {
+            TaggedString message = "MpWelcomeMessage".Translate() + "\n\n";
+
+            int issueCount = 1;
+            string knownIssueKey = "MpKnownIssue";
+
+            //while (LanguageDatabase.activeLanguage.HaveTextForKey(knownIssueKey + issueCount))
+            foreach (var thing in LanguageDatabase.activeLanguage.keyedReplacements.Where(kvp => kvp.Key.StartsWith(knownIssueKey)))
+            {
+                message += "- " + (thing.Key).Translate() + "\n";
+                issueCount++;
+            }
+
+            message += "\n\n" + "MpWelcomeCompleteList".Translate();
+            message += "\n\n" + "MpWelcomePrepatcher".Translate();
+            message += "\n\n" + "MpWelcomeDiscord".Translate();
+
+            return message;
+        }
+    }
+
     public class ServerBrowser : Window
     {
         private LanListener lanListener;
@@ -41,6 +75,19 @@ enum Tabs
             Lan, Direct, Steam, Host
         }
 
+        public override void PostOpen()
+        {
+            if ((Multiplayer.settings.mostRecentVersionWelcomed == WelcomeMessage.version && Multiplayer.settings.mostRecentVersionWelcomed != "testing" )|| WelcomeMessage.welcomedThisSession) return;
+            Find.WindowStack.Add(new Dialog_MessageBox(WelcomeMessage.Message(), title: WelcomeMessage.Title(), buttonBAction: () =>
+            {
+                Multiplayer.settings.mostRecentVersionWelcomed = WelcomeMessage.version;
+                Multiplayer.settings.Write();
+            }, buttonBText: "MpWelcomeNeverShowButton".Translate()));
+            WelcomeMessage.welcomedThisSession = true;
+        }
+
+
+
         public override void DoWindowContents(Rect inRect)
         {
             DrawInfoButtons();