fixed not updating the techlevel properly when a new pawn joins

Author: GHXX

Main.cs

@@ -208,6 +208,7 @@ public static class Event
                         )
                     {
                         Find.LetterStack.ReceiveLetter("newTechLevelMedievalCapRemLetterTitle".Translate(), "newTechLevelMedievalCapRemLetterContents".Translate(_ResearchManager.isTribe ? "configTribe".Translate() : "configColony".Translate()), LetterDefOf.Good);
+                        TechAdvancing._ResearchManager.RecalculateTechlevel(false);
                     }
                 }
                 else

Rules.cs

@@ -23,7 +23,7 @@ internal static TechLevel GetNewTechLevel()
         {
             if (TechAdvancing_Config_Tab.b_configCheckboxNeedTechColonists)
             {
-                return (TechLevel)(Math.Min((int)GetRuleTechlevel(), (int)TechAdvancing_Config_Tab.maxTechLevelForTribals));
+                return (TechLevel)(Math.Min((int)GetRuleTechlevel(), (int)GetLowTechTL()));
             }
             return GetRuleTechlevel();
         }
@@ -44,7 +44,14 @@ internal static TechLevel GetRuleTechlevel()
         /// <returns></returns>
         internal static TechLevel GetLowTechTL()
         {
-            return TechAdvancing_Config_Tab.b_configCheckboxNeedTechColonists ? TechAdvancing_Config_Tab.maxTechLevelForTribals : TechLevel.Transcendent;
+            if (!TechAdvancing_Config_Tab.b_configCheckboxNeedTechColonists)    // if the limit is not enabled at all
+            {
+                return TechLevel.Transcendent;
+            }
+            else
+            {
+                return (TechAdvancing.MapCompSaveHandler.ColonyPeople.Any(x => x.Value?.def?.techLevel >= TechLevel.Industrial)) ? TechLevel.Transcendent : TechAdvancing_Config_Tab.maxTechLevelForTribals;
+            }
         }
 
         internal static TechLevel RuleA()

Util.cs

@@ -72,7 +72,7 @@ internal static bool ColonyHasHiTechPeople()
             //}
             //   LogOutput.writeLogMessage(Errorlevel.Warning,"done");
 
-            return RimWorld.PawnsFinder.AllMaps_FreeColonists.Any(x => hightechkinds.Contains(x.kindDef.defName.ToLowerInvariant()) || ((int?)((MapCompSaveHandler.ColonyPeople?.ContainsKey(x) == true) ? MapCompSaveHandler.ColonyPeople[x] : null)?.def?.techLevel ?? -1) >= (int)TechLevel.Industrial);
+            return MapCompSaveHandler.ColonyPeople.Any(x => x.Value?.def?.techLevel >= TechLevel.Industrial) || RimWorld.PawnsFinder.AllMaps_FreeColonists.Any(x => hightechkinds.Contains(x.kindDef.defName.ToLowerInvariant()));
         }
 
         internal static TechLevel GetHighestTechlevel(params TechLevel[] t)