From df31fb2f0527be8481a146f933918847ebe782ea Mon Sep 17 00:00:00 2001
From: SomeTroglodyte <63000004+SomeTroglodyte@users.noreply.github.com>
Date: Mon, 16 Aug 2021 10:26:06 +0200
Subject: [PATCH] Fix DOS attack perpetrated by CityInfoReligionManager on Json
 Serializer (#4870)

Fixes #4867
---
 core/src/com/unciv/logic/city/CityReligion.kt      | 1 +
 core/src/com/unciv/models/metadata/GameSettings.kt | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/core/src/com/unciv/logic/city/CityReligion.kt b/core/src/com/unciv/logic/city/CityReligion.kt
index 242bfd74f0..4438a8864e 100644
--- a/core/src/com/unciv/logic/city/CityReligion.kt
+++ b/core/src/com/unciv/logic/city/CityReligion.kt
@@ -19,6 +19,7 @@ class CityInfoReligionManager {
     @Transient
     private val followers: Counter<String> = Counter()
     
+    @delegate:Transient
     private val pressureFromAdjacentCities: Int by lazy {
         when (cityInfo.civInfo.gameInfo.gameParameters.gameSpeed) {
             GameSpeed.Quick -> 9
diff --git a/core/src/com/unciv/models/metadata/GameSettings.kt b/core/src/com/unciv/models/metadata/GameSettings.kt
index 9095fcf2e5..8586d21fa4 100644
--- a/core/src/com/unciv/models/metadata/GameSettings.kt
+++ b/core/src/com/unciv/models/metadata/GameSettings.kt
@@ -62,7 +62,7 @@ class GameSettings {
     }
 
     fun addCompletedTutorialTask(tutorialTask: String) {
-        tutorialTasksCompleted.add(tutorialTask)
-        save()
+        if (tutorialTasksCompleted.add(tutorialTask))
+            save()
     }
 }