From 77020e255b530faa018efb1b30a74f86def04f01 Mon Sep 17 00:00:00 2001
From: rubidium <rubidium@openttd.org>
Date: Tue, 9 Oct 2007 21:29:34 +0000
Subject: (svn r11238) -Fix [FS#1316]: the orders of trains going to a waypoint
 where not updated when the waypoint would be moved.

---
 src/waypoint.cpp | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/waypoint.cpp b/src/waypoint.cpp
index 52eed75ed..34e6a7d8b 100644
--- a/src/waypoint.cpp
+++ b/src/waypoint.cpp
@@ -197,7 +197,20 @@ CommandCost CmdBuildTrainWaypoint(TileIndex tile, uint32 flags, uint32 p1, uint3
 		wp->string = STR_NULL;
 		wp->town_cn = 0;
 	} else if (flags & DC_EXEC) {
-		/* move existing (recently deleted) waypoint to the new location */
+		/* Move existing (recently deleted) waypoint to the new location */
+
+		/* First we update the destination for all vehicles that
+		 * have the old waypoint in their orders. */
+		Vehicle *v;
+		FOR_ALL_VEHICLES(v) {
+			if (v->type == VEH_TRAIN &&
+					v->First() == v &&
+					v->current_order.type == OT_GOTO_WAYPOINT &&
+					v->dest_tile == wp->xy) {
+				v->dest_tile = tile;
+			}
+		}
+
 		RedrawWaypointSign(wp);
 		wp->xy = tile;
 	}
-- 
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