Bombard notification (#5637)

* add notification when able to bombard

* harmonize with enemy unit notification

* use city.range

android/assets/jsons/translations/template.properties

@@ -579,6 +579,8 @@ Our [attackerName] was attacked by an intercepting [interceptorName] =
 Our [interceptorName] intercepted and attacked an enemy [attackerName] = 
 An enemy [unit] was spotted near our territory = 
 An enemy [unit] was spotted in our territory = 
+Your city [cityName] can bombard the enemy! = 
+[amount] of your cities can bombard the enemy! = 
 [amount] enemy units were spotted near our territory = 
 [amount] enemy units were spotted in our territory = 
 A(n) [nukeType] exploded in our territory! = 

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

@@ -279,6 +279,12 @@ class GameInfo {
                 enemyUnitsCloseToTerritory.filter { it.getOwner() != thisPlayer },
                 "near"
         )
+
+        addBombardNotification(thisPlayer,
+                thisPlayer.cities.filter { city -> city.canBombard() &&
+                enemyUnitsCloseToTerritory.any { tile -> tile.aerialDistanceTo(city.getCenterTile()) <= city.range }
+                }
+        )
     }
 
     private fun addEnemyUnitNotification(thisPlayer: CivilizationInfo, tiles: List<TileInfo>, inOrNear: String) {
@@ -294,6 +300,15 @@ class GameInfo {
         }
     }
 
+    private fun addBombardNotification(thisPlayer: CivilizationInfo, cities: List<CityInfo>) {
+        if (cities.count() < 3) {
+            for (city in cities)
+                thisPlayer.addNotification("Your city [${city.name}] can bombard the enemy!", city.location, NotificationIcon.City, NotificationIcon.Crosshair)
+
+        } else
+            thisPlayer.addNotification("[${cities.count()}] of your cities can bombard the enemy!", LocationAction(cities.map { it.location }), NotificationIcon.City, NotificationIcon.Crosshair)
+    }
+
     fun notifyExploredResources(civInfo: CivilizationInfo, resourceName: String, maxDistance: Int, showForeign: Boolean) {
         // Calling with `maxDistance = 0` removes distance limitation.
         data class CityTileAndDistance(val city: CityInfo, val tile: TileInfo, val distance: Int)

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

@@ -28,6 +28,7 @@ object NotificationIcon {
     const val Production = "StatIcons/Production"
     const val Food = "StatIcons/Food"
     const val Faith = "StatIcons/Faith"
+    const val Crosshair = "OtherIcons/CrosshairB"
 }
 
 /**