depot_cmd.cpp

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/*
 * This file is part of OpenTTD.
 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "stdafx.h"
#include "command_func.h"
#include "depot_base.h"
#include "company_func.h"
#include "string_func.h"
#include "town.h"
#include "vehicle_gui.h"
#include "vehiclelist.h"
#include "window_func.h"
#include "depot_cmd.h"
 
#include "table/strings.h"
 
#include "safeguards.h"
 
static bool IsUniqueDepotName(const std::string &name)
{
  for (const Depot *d : Depot::Iterate()) {
    if (!d->name.empty() && d->name == name) return false;
  }
 
  return true;
}
 
CommandCost CmdRenameDepot(DoCommandFlags flags, DepotID depot_id, const std::string &text)
{
  Depot *d = Depot::GetIfValid(depot_id);
  if (d == nullptr) return CMD_ERROR;
 
  CommandCost ret = CheckTileOwnership(d->xy);
  if (ret.Failed()) return ret;
 
  bool reset = text.empty();
 
  if (!reset) {
    if (Utf8StringLength(text) >= MAX_LENGTH_DEPOT_NAME_CHARS) return CMD_ERROR;
    if (!IsUniqueDepotName(text)) return CommandCost(STR_ERROR_NAME_MUST_BE_UNIQUE);
  }
 
  if (flags.Test(DoCommandFlag::Execute)) {
    if (reset) {
      d->name.clear();
      MakeDefaultName(d);
    } else {
      d->name = text;
    }
 
    /* Update the orders and depot */
    SetWindowClassesDirty(WC_VEHICLE_ORDERS);
    SetWindowDirty(WC_VEHICLE_DEPOT, d->xy);
 
    /* Update the depot list */
    VehicleType vt = GetDepotVehicleType(d->xy);
    SetWindowDirty(GetWindowClassForVehicleType(vt), VehicleListIdentifier(VL_DEPOT_LIST, vt, GetTileOwner(d->xy), d->index).ToWindowNumber());
  }
  return CommandCost();
}