Unhappiness effects (#9188)

* Block growth if Unique says so - even with full stores

* Display unhappiness rejection reason for Settlers

* Display unhappiness effects in Overview Stats

* Display unhappiness effects in Overview Stats - simplify

core/src/com/unciv/logic/city/CityStats.kt

@@ -593,7 +593,7 @@ class CityStats(val city: City) {
             val amountToRemove = -newFinalStatList.values.sumOf { it[Stat.Food].toDouble() }
             newFinalStatList.add(
                 getSourceNameForUnique(growthNullifyingUnique),
-                Stats().apply { this[Stat.Food] = amountToRemove.toFloat() }
+                Stats(food = amountToRemove.toFloat())
             )
         }
 

core/src/com/unciv/logic/city/managers/CityPopulationManager.kt

@@ -102,20 +102,26 @@ class CityPopulationManager : IsPartOfGameInfoSerialization {
             if (population > 1) addPopulation(-1)
             foodStored = 0
         }
-        if (foodStored >= getFoodToNextPopulation()) {  // growth!
-            foodStored -= getFoodToNextPopulation()
-            var percentOfFoodCarriedOver =
-                city.getMatchingUniques(UniqueType.CarryOverFood)
-                    .filter { city.matchesFilter(it.params[1]) }
-                    .sumOf { it.params[0].toInt() }
-            // Try to avoid runaway food gain in mods, just in case
-            if (percentOfFoodCarriedOver > 95) percentOfFoodCarriedOver = 95
-            foodStored += (getFoodToNextPopulation() * percentOfFoodCarriedOver / 100f).toInt()
-            addPopulation(1)
-            city.updateCitizens = true
-            city.civ.addNotification("[${city.name}] has grown!", city.location,
-                NotificationCategory.Cities, NotificationIcon.Growth)
-        }
+        val foodNeededToGrow = getFoodToNextPopulation()
+        if (foodStored < foodNeededToGrow) return
+
+        // What if the stores are already over foodNeededToGrow but NullifiesGrowth is in effect?
+        // We could simply test food==0 - but this way NullifiesStat(food) will still allow growth:
+        if (city.getMatchingUniques(UniqueType.NullifiesGrowth).any())
+            return
+
+        // growth!
+        foodStored -= foodNeededToGrow
+        val percentOfFoodCarriedOver =
+            city.getMatchingUniques(UniqueType.CarryOverFood)
+                .filter { city.matchesFilter(it.params[1]) }
+                .sumOf { it.params[0].toInt() }
+                .coerceAtMost(95)  // Try to avoid runaway food gain in mods, just in case
+        foodStored += (foodNeededToGrow * percentOfFoodCarriedOver / 100f).toInt()
+        addPopulation(1)
+        city.updateCitizens = true
+        city.civ.addNotification("[${city.name}] has grown!", city.location,
+            NotificationCategory.Cities, NotificationIcon.Growth)
     }
 
     fun addPopulation(count: Int) {

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

@@ -130,6 +130,7 @@ class RejectionReason(val type: RejectionReasonType,
         RejectionReasonType.RequiresBuildingInAllCities,
         RejectionReasonType.RequiresBuildingInThisCity,
         RejectionReasonType.RequiresBuildingInSomeCity,
+        RejectionReasonType.CannotBeBuiltUnhappiness,
         RejectionReasonType.PopulationRequirement,
         RejectionReasonType.ConsumesResources,
         RejectionReasonType.CanOnlyBePurchased,
@@ -160,6 +161,7 @@ enum class RejectionReasonType(val shouldShow: Boolean, val errorMessage: String
     UniqueToOtherNation(false, "Unique to another nation"),
     ReplacedByOurUnique(false, "Our unique replaces this"),
     CannotBeBuilt(false, "Cannot be built by this nation"),
+    CannotBeBuiltUnhappiness(true, "Unhappiness"),
 
     Obsoleted(false, "Obsolete"),
     RequiresTech(false, "Required tech not researched"),

core/src/com/unciv/models/ruleset/unique/Unique.kt

@@ -162,7 +162,7 @@ class Unique(val text: String, val sourceObjectType: UniqueTarget? = null, val s
             UniqueType.ConditionalWhenBelowAmountResource -> state.civInfo != null
                     && state.civInfo.getCivResourcesByName()[condition.params[1]]!! < condition.params[0].toInt()
             UniqueType.ConditionalHappy ->
-                state.civInfo != null && state.civInfo.stats.statsForNextTurn.happiness >= 0
+                state.civInfo != null && state.civInfo.stats.happiness >= 0
             UniqueType.ConditionalBetweenHappiness ->
                 state.civInfo != null
                 && condition.params[0].toInt() <= state.civInfo.stats.happiness
@@ -379,4 +379,3 @@ fun ArrayList<TemporaryUnique>.getMatchingUniques(uniqueType: UniqueType, stateF
             .map { it.uniqueObject }
             .filter { it.isOfType(uniqueType) && it.conditionalsApply(stateForConditionals) }
     }
-

core/src/com/unciv/models/ruleset/unit/BaseUnit.kt

@@ -9,6 +9,7 @@ import com.unciv.logic.civilization.Civilization
 import com.unciv.logic.map.mapunit.MapUnit
 import com.unciv.models.ruleset.Ruleset
 import com.unciv.models.ruleset.RulesetObject
+import com.unciv.models.ruleset.unique.StateForConditionals
 import com.unciv.models.ruleset.unique.UniqueTarget
 import com.unciv.models.ruleset.unique.UniqueType
 import com.unciv.models.stats.Stat
@@ -141,7 +142,7 @@ class BaseUnit : RulesetObject(), INonPerpetualConstruction {
         yieldAll(getRejectionReasons(civInfo, cityConstructions.city))
     }
 
-    fun getRejectionReasons(civ: Civilization, city:City?=null): Sequence<RejectionReason> {
+    fun getRejectionReasons(civ: Civilization, city: City? = null): Sequence<RejectionReason> {
         val result = mutableListOf<RejectionReason>()
         if (requiredTech != null && !civ.tech.isResearched(requiredTech!!))
             result.add(RejectionReasonType.RequiresTech.toInstance("$requiredTech not researched"))
@@ -189,16 +190,15 @@ class BaseUnit : RulesetObject(), INonPerpetualConstruction {
             }
         }
 
-        for (unique in civ.getMatchingUniques(UniqueType.CannotBuildUnits))
-            if (this@BaseUnit.matchesFilter(unique.params[0])) {
-                if (unique.conditionals.any { it.type == UniqueType.ConditionalBelowHappiness }) {
-                    result.add(
-                        RejectionReasonType.CannotBeBuilt.toInstance(
-                            unique.text,
-                            true
-                        )
-                    )
-                } else result.add(RejectionReasonType.CannotBeBuilt.toInstance())
+        val stateForConditionals = StateForConditionals(civ, city)
+        for (unique in civ.getMatchingUniques(UniqueType.CannotBuildUnits, stateForConditionals))
+            if (this.matchesFilter(unique.params[0])) {
+                val hasHappinessCondition = unique.conditionals.any {
+                    it.type == UniqueType.ConditionalBelowHappiness || it.type == UniqueType.ConditionalBetweenHappiness
+                }
+                if (hasHappinessCondition)
+                    result.add(RejectionReasonType.CannotBeBuiltUnhappiness.toInstance(unique.text))
+                else result.add(RejectionReasonType.CannotBeBuilt.toInstance())
             }
         return result.asSequence()
     }

core/src/com/unciv/ui/screens/overviewscreen/StatsOverviewTable.kt

@@ -6,6 +6,8 @@ import com.unciv.Constants
 import com.unciv.GUI
 import com.unciv.logic.civilization.Civilization
 import com.unciv.models.ruleset.ModOptionsConstants
+import com.unciv.models.ruleset.unique.Unique
+import com.unciv.models.ruleset.unique.UniqueType
 import com.unciv.models.stats.Stat
 import com.unciv.models.stats.StatMap
 import com.unciv.ui.components.TabbedPager
@@ -13,6 +15,8 @@ import com.unciv.ui.components.UncivSlider
 import com.unciv.ui.components.extensions.addSeparator
 import com.unciv.ui.components.extensions.toLabel
 import com.unciv.ui.images.ImageGetter
+import com.unciv.ui.screens.civilopediascreen.FormattedLine
+import com.unciv.ui.screens.civilopediascreen.MarkupRenderer
 import kotlin.math.roundToInt
 
 class StatsOverviewTab(
@@ -20,6 +24,7 @@ class StatsOverviewTab(
     overviewScreen: EmpireOverviewScreen
 ) : EmpireOverviewTab(viewingPlayer, overviewScreen) {
     private val happinessTable = Table()
+    private val unhappinessTable = UnhappinessTable()
     private val goldAndSliderTable = Table()
     private val goldTable = Table()
     private val scienceTable = Table()
@@ -45,6 +50,7 @@ class StatsOverviewTab(
         faithTable.defaults().pad(5f)
         greatPeopleTable.defaults().pad(5f)
         scoreTable.defaults().pad(5f)
+        unhappinessTable.update()
 
         goldAndSliderTable.add(goldTable).row()
         if (gameInfo.ruleset.modOptions.uniques.contains(ModOptionsConstants.convertGoldToScience))
@@ -54,6 +60,7 @@ class StatsOverviewTab(
 
         val allStatTables = sequence {
             yield(happinessTable)
+            if (unhappinessTable.show) yield(unhappinessTable)
             yield(goldAndSliderTable)
             yield(scienceTable)
             yield(cultureTable)
@@ -121,6 +128,38 @@ class StatsOverviewTab(
         addTotal(happinessBreakdown.values.sum())
     }
 
+    inner class UnhappinessTable : Table() {
+        val show: Boolean
+
+        private val uniques: Set<Unique>
+
+        init {
+            defaults().pad(5f)
+            uniques = sequenceOf(
+                    UniqueType.ConditionalBetweenHappiness,
+                    UniqueType.ConditionalBelowHappiness
+                ).flatMap { conditional ->
+                    viewingPlayer.getTriggeredUniques(conditional)
+                        .sortedBy { it.type } // otherwise order might change as a HashMap is involved
+                }.toSet()
+            show = uniques.isNotEmpty()
+        }
+
+        fun update() {
+            add(ImageGetter.getStatIcon("Malcontent"))
+                .size(Constants.headingFontSize.toFloat())
+                .right().padRight(1f)
+            add("Unhappiness".toLabel(fontSize = Constants.headingFontSize)).left()
+            addSeparator()
+
+            add(MarkupRenderer.render(
+                uniques.map { FormattedLine(it) },
+                labelWidth = (overviewScreen.stage.width * 0.25f).coerceAtLeast(greatPeopleTable.width * 0.8f),
+                iconDisplay = FormattedLine.IconDisplay.NoLink
+            )).colspan(2)
+        }
+    }
+
     private fun Table.updateStatTable(stat: Stat, statMap: StatMap) {
         addHeading(stat.name)
         var total = 0f