Mitigate #10619 (#10629)

- Clear all unit movement caches upon a road being pillaged
- Log when this happens
- Minor whitespace fixes

core/src/com/unciv/logic/automation/unit/UnitAutomation.kt

@@ -275,7 +275,6 @@ object UnitAutomation {
             val ourDistanceToClosestEnemy = unit.civ.threatManager.getDistanceToClosestEnemyUnit(unit.getTile(),6, false)
             if (otherUnit.health > 80
                 && ourDistanceToClosestEnemy < otherUnit.civ.threatManager.getDistanceToClosestEnemyUnit(otherUnit.getTile(),6,false)) {
-              
                 if (otherUnit.baseUnit.isRanged()) {
                     // Don't swap ranged units closer than they have to be
                     val range = otherUnit.baseUnit.range

core/src/com/unciv/logic/map/tile/Tile.kt

@@ -27,6 +27,7 @@ import com.unciv.models.ruleset.unique.UniqueType
 import com.unciv.ui.components.extensions.withItem
 import com.unciv.ui.components.extensions.withoutItem
 import com.unciv.utils.DebugUtils
+import com.unciv.utils.Log
 import kotlin.math.abs
 import kotlin.math.min
 import kotlin.random.Random
@@ -895,8 +896,10 @@ open class Tile : IsPartOfGameInfoSerialization {
             // otherwise use pillage/repair systems
             if (canPillageTileImprovement())
                 improvementIsPillaged = true
-            else
+            else {
                 roadIsPillaged = true
+                clearAllPathfindingCaches()
+            }
         }
 
         owningCity?.reassignPopulationDeferred()
@@ -904,6 +907,16 @@ open class Tile : IsPartOfGameInfoSerialization {
             owningCity!!.civ.cache.updateCivResources()
     }
 
+    private fun clearAllPathfindingCaches() {
+        val units = tileMap.gameInfo.civilizations.asSequence()
+            .filter { it.isAlive() }
+            .flatMap { it.units.getCivUnits() }
+        Log.debug("%s: road pillaged, clearing cache for %d units", this, { units.count() })
+        for (otherUnit in units) {
+            otherUnit.movement.clearPathfindingCache()
+        }
+    }
+
     fun isPillaged(): Boolean = improvementIsPillaged || roadIsPillaged
 
     fun setRepaired() {