From 4e580d2ade8317c0e587c8b126ed7fc683851e8a Mon Sep 17 00:00:00 2001
From: Darkvater <Darkvater@openttd.org>
Date: Sat, 16 Apr 2005 20:10:24 +0000
Subject: [PATCH] (svn r2210) - Fix: When a road-station is deleted, also
 delete the assigned slots of all vehicles headed to that station. This fixes
 an assertion, thanks go to Tron for finding the cause.

---
 station_cmd.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/station_cmd.c b/station_cmd.c
index aac4b928a8..8cecba027c 100644
--- a/station_cmd.c
+++ b/station_cmd.c
@@ -1560,8 +1560,17 @@ static int32 RemoveRoadStop(Station *st, uint32 flags, TileIndex tile)
 		return CMD_ERROR;
 
 	if (flags & DC_EXEC) {
+		int i;
 		DoClearSquare(tile);
 
+		/* Clear all vehicles destined for this station */
+		for (i = 0; i != NUM_SLOTS; i++) {
+			if (cur_stop->slot[i] != INVALID_SLOT) {
+				Vehicle *v = GetVehicle(cur_stop->slot[i]);
+				ClearSlot(v, v->u.road.slot);
+			}
+		}
+
 		cur_stop->used = false;
 		if (cur_stop->prev != NULL)	//alter previous stop
 			cur_stop->prev->next = cur_stop->next;