From 1fe8d704a04d04542321823804e1f99a00094e18 Mon Sep 17 00:00:00 2001
From: Yair Morgenstern <yairm210@hotmail.com>
Date: Wed, 8 Jul 2020 19:10:31 +0300
Subject: [PATCH] Unremovable terrain features e.g. Flood plains are no longer
 removed by great improvements

---
 core/src/com/unciv/ui/worldscreen/unit/UnitActions.kt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/src/com/unciv/ui/worldscreen/unit/UnitActions.kt b/core/src/com/unciv/ui/worldscreen/unit/UnitActions.kt
index 1879b6eece..f88a2f2e67 100644
--- a/core/src/com/unciv/ui/worldscreen/unit/UnitActions.kt
+++ b/core/src/com/unciv/ui/worldscreen/unit/UnitActions.kt
@@ -362,7 +362,9 @@ object UnitActions {
                     uncivSound = UncivSound.Chimes,
                     action = {
                         val unitTile = unit.getTile()
-                        unitTile.terrainFeature = null // remove forest/jungle/marsh
+                        if (unitTile.terrainFeature != null &&
+                                unitTile.ruleset.tileImprovements.containsKey("Remove " + unitTile.terrainFeature))
+                            unitTile.terrainFeature = null // remove forest/jungle/marsh
                         unitTile.improvement = improvementName
                         unitTile.improvementInProgress = null
                         unitTile.turnsToImprovement = 0