From 93be9a1c905b92f2f68c24d71eb718197b9ed7bc Mon Sep 17 00:00:00 2001
From: yexo <yexo@openttd.org>
Date: Tue, 17 Mar 2009 01:30:39 +0000
Subject: (svn r15750) -Fix: The big ufo sometimes landed just outside the map.
 Instead of landing, just disappear (fly away) in those cases.

---
 src/disaster_cmd.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/disaster_cmd.cpp')

diff --git a/src/disaster_cmd.cpp b/src/disaster_cmd.cpp
index 2db744fb5..725cd914c 100644
--- a/src/disaster_cmd.cpp
+++ b/src/disaster_cmd.cpp
@@ -481,6 +481,12 @@ static void DisasterTick_Big_Ufo(Vehicle *v)
 			return;
 		}
 
+		if (!IsValidTile(v->dest_tile)) {
+			/* Make sure we don't land outside the map. */
+			delete v;
+			return;
+		}
+
 		byte z = GetSlopeZ(v->x_pos, v->y_pos);
 		if (z < v->z_pos) {
 			SetDisasterVehiclePos(v, v->x_pos, v->y_pos, v->z_pos - 1);
-- 
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