Fix crash caused by cascaded ruins unit gifts (#4133)

* Fix d1f6c5ac breaking builds

* Fix d1f6c5ac breaking builds - patch1

* Fix silent crash when ancient ruins cascade gifted units

android/assets/jsons/translations/Czech.properties

@@ -2882,7 +2882,7 @@ Professional Army = Profesionální armáda
 Gold cost of upgrading [unitType] units reduced by [amount]% = 
 Honor Complete = Kompletní Čest
 Honor = Čest
-+[amount]% Strength vs [param] = +[amount]% síly proti [unitType]
++[amount]% Strength vs [param] = +[amount]% síly proti [param]
 Notified of new Barbarian encampments = Upozornění na nový Barbarský tábor
 
 Organized Religion = Organizovaná víra

android/assets/jsons/translations/Dutch.properties

@@ -4101,7 +4101,7 @@ Gold cost of upgrading [unitType] units reduced by [amount]% =
  # Requires translation!
 Honor Complete = 
 Honor = Eer
-+[amount]% Strength vs [param] = +[amount]% Kracht vs [unitType]
++[amount]% Strength vs [param] = +[amount]% Kracht vs [param]
  # Requires translation!
 Notified of new Barbarian encampments = 
 

android/assets/jsons/translations/German.properties

@@ -2859,7 +2859,7 @@ Professional Army = Berufsarmee
 Gold cost of upgrading [unitType] units reduced by [amount]% = 
 Honor Complete = Ehre vollständig
 Honor = Ehre
-+[amount]% Strength vs [param] = +[amount]% Stärke gegen [unitType]
++[amount]% Strength vs [param] = +[amount]% Stärke gegen [param]
 Notified of new Barbarian encampments = Benachrichtigungen über neue Barbarenlager
 
 Organized Religion = Organisierte Religion

android/assets/jsons/translations/Indonesian.properties

@@ -2885,7 +2885,7 @@ Professional Army = Prajurit Profesional
 Gold cost of upgrading [unitType] units reduced by [amount]% = 
 Honor Complete = Kehormatan Lengkap
 Honor = Kehormatan
-+[amount]% Strength vs [param] = +[amount]% Kekuatan vs [unitType]
++[amount]% Strength vs [param] = +[amount]% Kekuatan vs [param]
 Notified of new Barbarian encampments = Diberi tahu ketika muncul perkemahan orang Barbar baru
 
 Organized Religion = Agama Terorganisasi

android/assets/jsons/translations/Italian.properties

@@ -2859,7 +2859,7 @@ Professional Army = Esercito professionale
 Gold cost of upgrading [unitType] units reduced by [amount]% = 
 Honor Complete = Onore Completo
 Honor = Onore
-+[amount]% Strength vs [param] = +[amount]% Strength contro [unitType]
++[amount]% Strength vs [param] = +[amount]% Strength contro [param]
 Notified of new Barbarian encampments = Sarai notificato dei nuovi accampamenti barbari
 
 Organized Religion = Religione Organizzata

android/assets/jsons/translations/Japanese.properties

@@ -2914,7 +2914,7 @@ Professional Army = 軍隊の常備
 Gold cost of upgrading [unitType] units reduced by [amount]% = 
 Honor Complete = 名誉コンプリート
 Honor = 名誉
-+[amount]% Strength vs [param] = [unitType]に対して戦闘力+[amount]%
++[amount]% Strength vs [param] = [param]に対して戦闘力+[amount]%
 Notified of new Barbarian encampments = 新たな蛮族の野営地が出現すると通知
 
 Organized Religion = 宗教の組織化

android/assets/jsons/translations/Polish.properties

@@ -2954,7 +2954,7 @@ Professional Army = Armia Zawodowa
 Gold cost of upgrading [unitType] units reduced by [amount]% = 
 Honor Complete = Ukończony Honor
 Honor = Honor
-+[amount]% Strength vs [param] = +[amount]% Siły w wlace z [unitType]
++[amount]% Strength vs [param] = +[amount]% Siły w wlace z [param]
 Notified of new Barbarian encampments = Powiadomiono o nowych obozach Barbarzyńców
 
 Organized Religion = Hierarchia Kościelna

android/assets/jsons/translations/Russian.properties

@@ -2902,7 +2902,7 @@ Professional Army = Профессиональная армия
 Gold cost of upgrading [unitType] units reduced by [amount]% = 
 Honor Complete = Честь завершена
 Honor = Честь
-+[amount]% Strength vs [param] = +[amount]% Силы против [unitType]
++[amount]% Strength vs [param] = +[amount]% Силы против [param]
 Notified of new Barbarian encampments = Вы будете получать извещение всякий раз, когда варвары будут ставить новый лагерь
 
 Organized Religion = Организованная религия

android/assets/jsons/translations/Simplified_Chinese.properties

@@ -2897,7 +2897,7 @@ Professional Army = 职业军队
 Gold cost of upgrading [unitType] units reduced by [amount]% = 
 Honor Complete = 完整的荣誉政策
 Honor = 荣誉政策
-+[amount]% Strength vs [param] = 对战[unitType]时+[amount]%战斗力
++[amount]% Strength vs [param] = 对战[param]时+[amount]%战斗力
 Notified of new Barbarian encampments = 新的蛮族营地出现时将会通知
 
 Organized Religion = 教会组织

android/assets/jsons/translations/Spanish.properties

@@ -2859,7 +2859,7 @@ Professional Army = Ejercito Profesional
 Gold cost of upgrading [unitType] units reduced by [amount]% = 
 Honor Complete = Honor Completado
 Honor = Honor
-+[amount]% Strength vs [param] = +[amount]% de Fuerza vs [unitType]
++[amount]% Strength vs [param] = +[amount]% de Fuerza vs [param]
 Notified of new Barbarian encampments = Notificado de nuevos campamentos Bárbaros
 
 Organized Religion = Religión Organizada

android/assets/jsons/translations/Swedish.properties

@@ -2885,7 +2885,7 @@ Professional Army = Professionell Armé
 Gold cost of upgrading [unitType] units reduced by [amount]% = 
 Honor Complete = Heder Fullbordat
 Honor = Heder
-+[amount]% Strength vs [param] = +[amount]% Styrka mot [unitType]
++[amount]% Strength vs [param] = +[amount]% Styrka mot [param]
 Notified of new Barbarian encampments = Uppmärksammas på nya Barbarläger
 
 Organized Religion = Organiserad Religion

android/assets/jsons/translations/Traditional_Chinese.properties

@@ -2917,7 +2917,7 @@ Professional Army = 職業軍隊
 Gold cost of upgrading [unitType] units reduced by [amount]% = 
 Honor Complete = 完整的榮譽政策
 Honor = 榮譽政策
-+[amount]% Strength vs [param] = 對戰[unitType]時+[amount]%戰鬥力
++[amount]% Strength vs [param] = 對戰[param]時+[amount]%戰鬥力
 Notified of new Barbarian encampments = 新的蠻族營地出現時將會通知
 
 Organized Religion = 教會組織

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

@@ -607,6 +607,11 @@ class CivilizationInfo {
         }
     }
 
+    /** Tries to place the a [unitName] unit into the [TileInfo] closest to the given the [position]
+     * @param location where to try to place the unit
+     * @param unitName name of the [BaseUnit] to create and place
+     * @return created [MapUnit] or null if no suitable location was found
+     * */
     fun placeUnitNearTile(location: Vector2, unitName: String): MapUnit? {
         return gameInfo.tileMap.placeUnitNearTile(location, unitName, this)
     }

core/src/com/unciv/logic/map/MapUnit.kt

@@ -596,14 +596,15 @@ class MapUnit {
     fun removeFromTile() = currentTile.removeUnit(this)
 
     fun moveThroughTile(tile: TileInfo) {
+        // addPromotion requires currentTile to be valid because it accesses ruleset through it
+        // getAncientRuinBonus, if it places a new unit, does too
+        currentTile = tile
+
         if (tile.improvement == Constants.ancientRuins && civInfo.isMajorCiv())
             getAncientRuinBonus(tile)
         if (tile.improvement == Constants.barbarianEncampment && !civInfo.isBarbarian())
             clearEncampment(tile)
 
-        // addPromotion requires currentTile to be valid because it accesses ruleset through it
-        currentTile = tile
-
         if (!hasUnique("All healing effects doubled") && type.isLandUnit() && type.isMilitary()) {
             val gainDoubleHealPromotion = tile.neighbors
                 .any { it.hasUnique("Grants Rejuvenation (all healing effects doubled) to adjacent military land units for the rest of the game") }
@@ -676,6 +677,17 @@ class MapUnit {
         tile.improvement = null
         val tileBasedRandom = Random(tile.position.toString().hashCode())
         val actions: ArrayList<() -> Unit> = ArrayList()
+
+        fun goldBonus() {
+            val amount = listOf(25, 60, 100).random(tileBasedRandom)
+            civInfo.addGold(amount)
+            civInfo.addNotification(
+                "We have found a stash of [$amount] gold in the ruins!",
+                tile.position,
+                NotificationIcon.Gold
+            )
+        }
+
         if (civInfo.cities.isNotEmpty()) actions.add {
             val city = civInfo.cities.random(tileBasedRandom)
             city.population.population++
@@ -687,6 +699,7 @@ class MapUnit {
                 NotificationIcon.Growth
             )
         }
+
         val researchableAncientEraTechs = tile.tileMap.gameInfo.ruleSet.technologies.values
             .filter {
                 !civInfo.tech.isResearched(it.name)
@@ -705,14 +718,19 @@ class MapUnit {
                 )
             }
 
-
-        val possibleUnits = listOf(Constants.settler, Constants.worker, "Warrior")
-            .filter { civInfo.gameInfo.ruleSet.units.containsKey(it) }
+        val possibleUnits = (
+                //City-States and OCC don't get settler from ruins
+                listOf(Constants.settler).filterNot { civInfo.isCityState() || civInfo.isOneCityChallenger() }
+                + listOf(Constants.worker, "Warrior")
+            ).filter { civInfo.gameInfo.ruleSet.units.containsKey(it) }
         if (possibleUnits.isNotEmpty())
             actions.add {
                 val chosenUnit = possibleUnits.random(tileBasedRandom)
-                if (!(civInfo.isCityState() || civInfo.isOneCityChallenger()) || chosenUnit != Constants.settler) { //City-States and OCC don't get settler from ruins
-                    civInfo.placeUnitNearTile(tile.position, chosenUnit)
+                // placeUnitNearTile _can_ fail, and since this code can run behind a try with empty
+                // catch inside nested thread switches - petter play it safe
+                if (civInfo.placeUnitNearTile(tile.position, chosenUnit) == null) {
+                    goldBonus()
+                } else {
                     civInfo.addNotification(
                         "A [$chosenUnit] has joined us!",
                         tile.position,
@@ -731,15 +749,7 @@ class MapUnit {
                 )
             }
 
-        actions.add {
-            val amount = listOf(25, 60, 100).random(tileBasedRandom)
-            civInfo.addGold(amount)
-            civInfo.addNotification(
-                "We have found a stash of [$amount] gold in the ruins!",
-                tile.position,
-                NotificationIcon.Gold
-            )
-        }
+        actions.add { goldBonus() }
 
         actions.add {
             civInfo.policies.addCulture(20)

core/src/com/unciv/logic/map/TileMap.kt

@@ -157,7 +157,9 @@ class TileMap {
     }
 
 
-    /** Tries to place the [unitName] into the [TileInfo] closest to the given the [position]
+    /** Tries to place the [unitName] into the [TileInfo] closest to the given [position]
+     * @param position where to try to place the unit (or close - max 10 tiles distance)
+     * @param unitName name of the [BaseUnit] to create and place
      * @param civInfo civilization to assign unit to
      * @return created [MapUnit] or null if no suitable location was found
      * */

core/src/com/unciv/models/translations/TranslationFileWriter.kt

@@ -4,7 +4,6 @@ import com.badlogic.gdx.Gdx
 import com.badlogic.gdx.files.FileHandle
 import com.badlogic.gdx.utils.Array
 import com.unciv.JsonParser
-import com.unciv.logic.battle.BattleDamage
 import com.unciv.models.metadata.BaseRuleset
 import com.unciv.models.ruleset.*
 import com.unciv.models.ruleset.tech.TechColumn
@@ -228,10 +227,6 @@ object TranslationFileWriter {
 
                         stringToTranslate = stringToTranslate.replace(parameter, parameterName)
                     }
-                } else {
-                    // substitute the regex for "Bonus/Penalty vs ..."
-                    val match = Regex(BattleDamage.BONUS_VS_UNIT_TYPE).matchEntire(string)
-                    if (match != null) stringToTranslate = "${match.groupValues[1]} vs [unitType]"
                 }
                 resultStrings!!.add("$stringToTranslate = ")
                 return

core/src/com/unciv/ui/worldscreen/WorldMapHolder.kt

@@ -202,6 +202,8 @@ class WorldMapHolder(internal val worldScreen: WorldScreen, internal val tileMap
             try {
                 tileToMoveTo = selectedUnit.movement.getTileToMoveToThisTurn(targetTile)
             } catch (ex: Exception) {
+                println("Exception in getTileToMoveToThisTurn: ${ex.message}")
+                ex.printStackTrace()
                 return@thread
             } // can't move here
 
@@ -224,7 +226,9 @@ class WorldMapHolder(internal val worldScreen: WorldScreen, internal val tileMap
                     if (selectedUnits.size > 1) { // We have more tiles to move
                         moveUnitToTargetTile(selectedUnits.subList(1, selectedUnits.size), targetTile)
                     } else removeUnitActionOverlay() //we're done here
-                } catch (e: Exception) {
+                } catch (ex: Exception) {
+                    println("Exception in moveUnitToTargetTile: ${ex.message}")
+                    ex.printStackTrace()
                 }
             }
         }