Game can handle policies "disappearing" between mod versions

Added policy map to ruleset for simpler policy location

core/src/com/unciv/logic/GameInfo.kt

@@ -24,6 +24,7 @@ class UncivShowableException(missingMods: String) : Exception(missingMods)
 class GameInfo {
     @Transient
     lateinit var difficultyObject: Difficulty // Since this is static game-wide, and was taking a large part of nextTurn
+
     @Transient
     lateinit var currentPlayerCiv: CivilizationInfo // this is called thousands of times, no reason to search for it with a find{} every time
 
@@ -31,6 +32,7 @@ class GameInfo {
      * that is inconsistent with the saved game on the cloud */
     @Transient
     var isUpToDate = false
+
     @Transient
     lateinit var ruleSet: Ruleset
 
@@ -356,6 +358,9 @@ class GameInfo {
             for (tech in civinfo.tech.techsResearched.toList())
                 if (!ruleSet.technologies.containsKey(tech))
                     civinfo.tech.techsResearched.remove(tech)
+            for (policy in civinfo.policies.adoptedPolicies.toList())
+                if (!ruleSet.policies.containsKey(policy))
+                    civinfo.policies.adoptedPolicies.remove(policy)
         }
     }
 

core/src/com/unciv/logic/automation/NextTurnAutomation.kt

@@ -65,8 +65,7 @@ object NextTurnAutomation {
             if (TradeEvaluation().isTradeAcceptable(tradeLogic.currentTrade, civInfo, otherCiv)) {
                 tradeLogic.acceptTrade()
                 otherCiv.addNotification("[${civInfo.civName}] has accepted your trade request", Color.GOLD)
-            }
-            else {
+            } else {
                 otherCiv.addNotification("[${civInfo.civName}] has denied your trade request", Color.GOLD)
             }
         }
@@ -180,8 +179,7 @@ object NextTurnAutomation {
     private fun adoptPolicy(civInfo: CivilizationInfo) {
         while (civInfo.policies.canAdoptPolicy()) {
 
-            val adoptablePolicies = civInfo.gameInfo.ruleSet.policyBranches.values
-                    .flatMap { it.policies.union(listOf(it)) }
+            val adoptablePolicies = civInfo.gameInfo.ruleSet.policies.values
                     .filter { civInfo.policies.isAdoptable(it) }
 
             // This can happen if the player is crazy enough to have the game continue forever and he disabled cultural victory
@@ -245,8 +243,10 @@ object NextTurnAutomation {
         // We should A. add some sort of timer (20? 30 turns?) between luxury trade requests if they're denied - see DeclinedLuxExchange
         // B. have a way for the AI to keep track of the "pending offers" - see DiplomacyManager.resourcesFromTrade
 
-        for (otherCiv in knownCivs.filter { it.isMajorCiv() && !it.isAtWarWith(civInfo)
-                && !civInfo.getDiplomacyManager(it).hasFlag(DiplomacyFlags.DeclinedLuxExchange)}) {
+        for (otherCiv in knownCivs.filter {
+            it.isMajorCiv() && !it.isAtWarWith(civInfo)
+                    && !civInfo.getDiplomacyManager(it).hasFlag(DiplomacyFlags.DeclinedLuxExchange)
+        }) {
 
             val relationshipLevel = civInfo.getDiplomacyManager(otherCiv).relationshipLevel()
             if (relationshipLevel <= RelationshipLevel.Enemy)
@@ -263,11 +263,12 @@ object NextTurnAutomation {
     private fun offerDeclarationOfFriendship(civInfo: CivilizationInfo) {
         val civsThatWeCanDeclareFriendshipWith = civInfo.getKnownCivs()
                 .asSequence()
-                .filter { it.isMajorCiv() }
-                .filter { !it.isAtWarWith(civInfo) }
-                .filter { it.getDiplomacyManager(civInfo).relationshipLevel() > RelationshipLevel.Neutral }
-                .filter { !civInfo.getDiplomacyManager(it).hasFlag(DiplomacyFlags.DeclarationOfFriendship) }
-                .filter { !civInfo.getDiplomacyManager(it).hasFlag(DiplomacyFlags.Denunceation) }
+                .filter {
+                    it.isMajorCiv() && !it.isAtWarWith(civInfo)
+                            && it.getDiplomacyManager(civInfo).relationshipLevel() > RelationshipLevel.Neutral
+                            && !civInfo.getDiplomacyManager(it).hasFlag(DiplomacyFlags.DeclarationOfFriendship)
+                            && !civInfo.getDiplomacyManager(it).hasFlag(DiplomacyFlags.Denunceation)
+                }
                 .sortedByDescending { it.getDiplomacyManager(civInfo).relationshipLevel() }
         for (civ in civsThatWeCanDeclareFriendshipWith) {
             // Default setting is 5, this will be changed according to different civ.
@@ -281,8 +282,10 @@ object NextTurnAutomation {
 
         val canSignResearchAgreementCiv = civInfo.getKnownCivs()
                 .asSequence()
-                .filter { civInfo.canSignResearchAgreementsWith(it)
-                        && !civInfo.getDiplomacyManager(it).hasFlag(DiplomacyFlags.DeclinedResearchAgreement) }
+                .filter {
+                    civInfo.canSignResearchAgreementsWith(it)
+                            && !civInfo.getDiplomacyManager(it).hasFlag(DiplomacyFlags.DeclinedResearchAgreement)
+                }
                 .sortedByDescending { it.statsForNextTurn.science }
 
         for (otherCiv in canSignResearchAgreementCiv) {
@@ -368,8 +371,10 @@ object NextTurnAutomation {
 
         //evaluate war
         val enemyCivs = civInfo.getKnownCivs()
-                .filterNot { it == civInfo || it.cities.isEmpty() || !civInfo.getDiplomacyManager(it).canDeclareWar()
-                        || (it.cities.none { civInfo.exploredTiles.contains(it.location) }) }
+                .filterNot {
+                    it == civInfo || it.cities.isEmpty() || !civInfo.getDiplomacyManager(it).canDeclareWar()
+                            || (it.cities.none { civInfo.exploredTiles.contains(it.location) })
+                }
         // If the AI declares war on a civ without knowing the location of any cities, it'll just keep amassing an army and not sending it anywhere,
         //   and end up at a massive disadvantage
 
@@ -521,7 +526,8 @@ object NextTurnAutomation {
     private fun onCitySettledNearBorders(civInfo: CivilizationInfo, otherCiv: CivilizationInfo) {
         val diplomacyManager = civInfo.getDiplomacyManager(otherCiv)
         when {
-            diplomacyManager.hasFlag(DiplomacyFlags.IgnoreThemSettlingNearUs) -> {}
+            diplomacyManager.hasFlag(DiplomacyFlags.IgnoreThemSettlingNearUs) -> {
+            }
             diplomacyManager.hasFlag(DiplomacyFlags.AgreedToNotSettleNearUs) -> {
                 otherCiv.popupAlerts.add(PopupAlert(AlertType.CitySettledNearOtherCivDespiteOurPromise, civInfo.civName))
                 diplomacyManager.setFlag(DiplomacyFlags.IgnoreThemSettlingNearUs, 100)

core/src/com/unciv/logic/civilization/PolicyManager.kt

@@ -1,10 +1,8 @@
 package com.unciv.logic.civilization
 
-import com.unciv.Constants
 import com.unciv.models.ruleset.Policy
 import com.unciv.models.ruleset.UniqueMap
 import com.unciv.models.ruleset.UniqueTriggerActivation
-import com.unciv.models.ruleset.VictoryType
 import kotlin.math.min
 import kotlin.math.pow
 import kotlin.math.roundToInt
@@ -12,10 +10,13 @@ import kotlin.math.roundToInt
 
 class PolicyManager {
 
-    @Transient lateinit var civInfo: CivilizationInfo
+    @Transient
+    lateinit var civInfo: CivilizationInfo
+
     // Needs to be separate from the actual adopted policies, so that
     //  in different game versions, policies can have different effects
-    @Transient internal val policyUniques = UniqueMap()
+    @Transient
+    internal val policyUniques = UniqueMap()
 
     var freePolicies = 0
     var storedCulture = 0
@@ -38,7 +39,7 @@ class PolicyManager {
         return toReturn
     }
 
-    fun getPolicyByName(name:String): Policy = getAllPolicies().first { it.name==name }
+    fun getPolicyByName(name: String): Policy = civInfo.gameInfo.ruleSet.policies[name]!!
 
     fun setTransients() {
         for (policyName in adoptedPolicies)
@@ -50,9 +51,6 @@ class PolicyManager {
             policyUniques.addUnique(unique)
     }
 
-    private fun getAllPolicies() = civInfo.gameInfo.ruleSet.policyBranches.values.asSequence()
-            .flatMap { it.policies.asSequence()+sequenceOf(it) }
-
     fun startTurn() {
         tryAddLegalismBuildings()
     }
@@ -110,7 +108,7 @@ class PolicyManager {
         if (freePolicies == 0 && storedCulture < getCultureNeededForNextPolicy())
             return false
 
-        val hasAdoptablePolicies = getAllPolicies()
+        val hasAdoptablePolicies = civInfo.gameInfo.ruleSet.policies.values
                 .any { civInfo.policies.isAdoptable(it) }
         return hasAdoptablePolicies
     }
@@ -138,8 +136,6 @@ class PolicyManager {
             }
         }
 
-        val hasCapital = civInfo.cities.any { it.isCapital() }
-
         for (unique in policy.uniqueObjects)
             UniqueTriggerActivation.triggerCivwideUnique(unique, civInfo)
 
@@ -160,8 +156,10 @@ class PolicyManager {
         val candidateCities = civInfo.cities
                 .sortedBy { it.turnAcquired }
                 .subList(0, min(4, civInfo.cities.size))
-                .filter { it.id !in legalismState
-                        && it.cityConstructions.hasBuildableCultureBuilding() }
+                .filter {
+                    it.id !in legalismState
+                            && it.cityConstructions.hasBuildableCultureBuilding()
+                }
         for (city in candidateCities) {
             val builtBuilding = city.cityConstructions.addCultureBuilding()
             legalismState[city.id] = builtBuilding!!

core/src/com/unciv/models/ruleset/Ruleset.kt

@@ -51,6 +51,7 @@ class Ruleset {
     val quests = LinkedHashMap<String, Quest>()
     val specialists = LinkedHashMap<String, Specialist>()
     val policyBranches = LinkedHashMap<String, PolicyBranch>()
+    val policies = LinkedHashMap<String, Policy>()
     val difficulties = LinkedHashMap<String, Difficulty>()
     val mods = LinkedHashSet<String>()
     var modOptions = ModOptions()
@@ -74,6 +75,7 @@ class Ruleset {
         difficulties.putAll(ruleset.difficulties)
         nations.putAll(ruleset.nations)
         policyBranches.putAll(ruleset.policyBranches)
+        policies.putAll(ruleset.policies)
         quests.putAll(ruleset.quests)
         specialists.putAll(ruleset.specialists)
         technologies.putAll(ruleset.technologies)
@@ -93,6 +95,7 @@ class Ruleset {
         difficulties.clear()
         nations.clear()
         policyBranches.clear()
+        policies.clear()
         quests.clear()
         technologies.clear()
         buildings.clear()
@@ -159,9 +162,11 @@ class Ruleset {
             for (branch in policyBranches.values) {
                 branch.requires = ArrayList()
                 branch.branch = branch
+                policies[branch.name] = branch
                 for (policy in branch.policies) {
                     policy.branch = branch
                     if (policy.requires == null) policy.requires = arrayListOf(branch.name)
+                    policies[policy.name] = policy
                 }
                 branch.policies.last().name = branch.name + " Complete"
             }

core/src/com/unciv/ui/pickerscreens/PolicyPickerScreen.kt

@@ -25,15 +25,14 @@ class PolicyPickerScreen(val worldScreen: WorldScreen, civInfo: CivilizationInfo
 
         rightSideButton.setText("{Adopt policy}\r\n(".tr() + policies.storedCulture + "/" + policies.getCultureNeededForNextPolicy() + ")")
 
-        if (viewingCiv.gameInfo.ruleSet.policyBranches.values.flatMap { it.policies }.all { it.name in policies.adoptedPolicies})
+        if (viewingCiv.gameInfo.ruleSet.policies.values.all { it.name in policies.adoptedPolicies })
             rightSideButton.setText("All policies adopted".tr())
 
         setDefaultCloseAction()
         if (policies.freePolicies > 0) {
             rightSideButton.setText("Adopt free policy".tr())
             if (policies.canAdoptPolicy()) closeButton.disable()
-        }
-        else onBackButtonClicked { UncivGame.Current.setWorldScreen() }
+        } else onBackButtonClicked { UncivGame.Current.setWorldScreen() }
 
         rightSideButton.onClick(UncivSound.Policy) {
             viewingCiv.policies.adopt(pickedPolicy!!)
@@ -42,8 +41,7 @@ class PolicyPickerScreen(val worldScreen: WorldScreen, civInfo: CivilizationInfo
             if (game.screen !is PolicyPickerScreen || !policies.canAdoptPolicy()) {
                 game.setWorldScreen()
                 dispose()
-            }
-            else game.setScreen(PolicyPickerScreen(worldScreen))  // update policies
+            } else game.setScreen(PolicyPickerScreen(worldScreen))  // update policies
         }
 
         if (!UncivGame.Current.worldScreen.canChangeState)