(svn r14089) -Fix [FS#2219]: trains not being able to find a route to a depot when the front is already in the depot.

src/train_cmd.cpp

@@ -2128,9 +2128,14 @@ static TrainFindDepotData FindClosestTrainDepot(Vehicle *v, int max_distance)
 
 	TrainFindDepotData tfdd;
 	tfdd.owner = v->owner;
-	tfdd.best_length = UINT_MAX;
 	tfdd.reverse = false;
 
+	if (IsRailDepotTile(v->tile)) {
+		tfdd.tile = v->tile;
+		tfdd.best_length = 0;
+		return tfdd;
+	}
+
 	PBSTileInfo origin = FollowTrainReservation(v);
 	if (IsRailDepotTile(origin.tile)) {
 		tfdd.tile = origin.tile;
@@ -2138,6 +2143,8 @@ static TrainFindDepotData FindClosestTrainDepot(Vehicle *v, int max_distance)
 		return tfdd;
 	}
 
+	tfdd.best_length = UINT_MAX;
+
 	uint8 pathfinder = _settings_game.pf.pathfinder_for_trains;
 	if ((_settings_game.pf.reserve_paths || HasReservedTracks(v->tile, v->u.rail.track)) && pathfinder == VPF_NTP) pathfinder = VPF_NPF;
 

src/vehicle.cpp

@@ -2496,7 +2496,7 @@ CommandCost Vehicle::SendToDepot(uint32 flags, DepotCommand command)
 {
 	if (!CheckOwnership(this->owner)) return CMD_ERROR;
 	if (this->vehstatus & VS_CRASHED) return CMD_ERROR;
-	if (this->IsInDepot()) return CMD_ERROR;
+	if (this->IsStoppedInDepot()) return CMD_ERROR;
 
 	if (this->current_order.IsType(OT_GOTO_DEPOT)) {
 		bool halt_in_depot = this->current_order.GetDepotActionType() & ODATFB_HALT;
@@ -2524,10 +2524,6 @@ CommandCost Vehicle::SendToDepot(uint32 flags, DepotCommand command)
 		return CommandCost();
 	}
 
-	/* check if at a standstill (not stopped only) in a depot
-	 * the check is down here to make it possible to alter stop/service for trains entering the depot */
-	if (this->type == VEH_TRAIN && IsRailDepotTile(this->tile) && this->cur_speed == 0) return CMD_ERROR;
-
 	TileIndex location;
 	DestinationID destination;
 	bool reverse;