From ef5635f6a3a1c6b4cedffa8e78d21f0ed0797606 Mon Sep 17 00:00:00 2001
From: Jason Long <jason@long.name>
Date: Sun, 21 Sep 2014 15:54:05 -0400
Subject: [PATCH] Sprite: destroyTile() should not destroy tunnels or
 underwater wires

---
 src/micropolisj/engine/Sprite.java | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/micropolisj/engine/Sprite.java b/src/micropolisj/engine/Sprite.java
index e7f1dc4..430657a 100644
--- a/src/micropolisj/engine/Sprite.java
+++ b/src/micropolisj/engine/Sprite.java
@@ -180,8 +180,11 @@ public abstract class Sprite
 
 		int t = city.getTile(xpos, ypos);
 		if (isOverWater(t)) {
-			// becomes water
-			city.setTile(xpos, ypos, RIVER);
+			if (isRoad(t)) {
+				// becomes water
+				city.setTile(xpos, ypos, RIVER);
+			}
+			// wires and tunnels cannot be destroyed
 			return;
 		}