# HG changeset patch
# User KUDr <kudr@openttd.org>
# Date 2007-02-02 20:20:56
# Node ID 0835443bb2ba893b9e8372b0764f9c90b68993c4
# Parent  767f81494eddf59f1747b43b1438c04fcbb61565

(svn r8540) -Fix[YAPF]: Assert when buoy is placed on NE or NW map edge (Dan)

diff --git a/src/station_cmd.cpp b/src/station_cmd.cpp
--- a/src/station_cmd.cpp
+++ b/src/station_cmd.cpp
@@ -2134,7 +2134,14 @@ static uint32 GetTileTrackStatus_Station
 
 		case TRANSPORT_WATER:
 			// buoy is coded as a station, it is always on open water
-			if (IsBuoy(tile)) return TRACK_BIT_ALL * 0x101;
+			if (IsBuoy(tile)) {
+				TrackBits ts = TRACK_BIT_ALL;
+				// remove tracks that connect NE map edge
+				if (TileX(tile) == 0) ts &= ~(TRACK_BIT_X | TRACK_BIT_UPPER | TRACK_BIT_RIGHT);
+				// remove tracks that connect NW map edge
+				if (TileY(tile) == 0) ts &= ~(TRACK_BIT_Y | TRACK_BIT_LEFT | TRACK_BIT_UPPER);
+				return uint32(ts) * 0x101;
+			}
 			break;
 
 		case TRANSPORT_ROAD: