AI no longer purchases non-contiguous tiles

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

@@ -391,6 +391,7 @@ object NextTurnAutomation {
             bfs.stepUntilDestination(highlyDesirableTile.key)
             val tilesThatNeedBuying =
                     bfs.getPathTo(highlyDesirableTile.key).filter { it.getOwner() != civInfo }
+                        .toList().reversed() // getPathTo is from destination to source
 
             // We're trying to acquire everything and revert if it fails, because of the difficult
             // way how tile acquisition cost is calculated. Everytime you buy a tile, the next one

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

@@ -68,6 +68,10 @@ class CityExpansionManager : IsPartOfGameInfoSerialization {
     fun buyTile(tile: Tile) {
         val goldCost = getGoldCostOfTile(tile)
 
+        class TriedToBuyNonContiguousTileException:Exception()
+        if (tile.neighbors.none { it.getCity() == city })
+            throw TriedToBuyNonContiguousTileException()
+
         class NotEnoughGoldToBuyTileException : Exception()
         if (city.civ.gold < goldCost && !city.civ.gameInfo.gameParameters.godMode)
             throw NotEnoughGoldToBuyTileException()