(svn r25495) -Fix [FS#5553]: when addings bits to a (train) station, the train trying to stop there could overshoot the (new) stop location and not stop at all

src/station_cmd.cpp

@@ -3124,7 +3124,7 @@ static VehicleEnterTileStatus VehicleEnter_Station(Vehicle *v, TileIndex tile, i
 		 * begin of the platform to the stop location is longer than the length
 		 * of the platform. Station ahead 'includes' the current tile where the
 		 * vehicle is on, so we need to subtract that. */
-		if (!IsInsideBS(stop + station_ahead, station_length, TILE_SIZE)) return VETSB_CONTINUE;
+		if (stop + station_ahead - (int)TILE_SIZE >= station_length) return VETSB_CONTINUE;
 
 		DiagDirection dir = DirToDiagDir(v->direction);
 
@@ -3136,14 +3136,11 @@ static VehicleEnterTileStatus VehicleEnter_Station(Vehicle *v, TileIndex tile, i
 			if (dir != DIAGDIR_SE && dir != DIAGDIR_SW) x = TILE_SIZE - 1 - x;
 			stop &= TILE_SIZE - 1;
 
-			if (x == stop) return VETSB_ENTERED_STATION | (VehicleEnterTileStatus)(station_id << VETS_STATION_ID_OFFSET); // enter station
-			if (x < stop) {
-				uint16 spd;
+			if (x >= stop) return VETSB_ENTERED_STATION | (VehicleEnterTileStatus)(station_id << VETS_STATION_ID_OFFSET); // enter station
 
-				v->vehstatus |= VS_TRAIN_SLOWING;
-				spd = max(0, (stop - x) * 20 - 15);
-				if (spd < v->cur_speed) v->cur_speed = spd;
-			}
+			v->vehstatus |= VS_TRAIN_SLOWING;
+			uint16 spd = max(0, (stop - x) * 20 - 15);
+			if (spd < v->cur_speed) v->cur_speed = spd;
 		}
 	} else if (v->type == VEH_ROAD) {
 		RoadVehicle *rv = RoadVehicle::From(v);