OpenTTD-patches/src/depot_cmd.cpp

79 lines
2.4 KiB
C++

/*
* 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/>.
*/
/** @file depot_cmd.cpp %Command Handling for depots. */
#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"
/**
* Check whether the given name is globally unique amongst depots.
* @param name The name to check.
* @return True if there is no depot with the given name.
*/
static bool IsUniqueDepotName(const std::string &name)
{
for (const Depot *d : Depot::Iterate()) {
if (!d->name.empty() && d->name == name) return false;
}
return true;
}
/**
* Rename a depot.
* @param flags type of operation
* @param depot_id id of depot
* @param text the new name or an empty string when resetting to the default
* @return the cost of this operation or an error
*/
CommandCost CmdRenameDepot(DoCommandFlag 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_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
}
if (flags & DC_EXEC) {
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).Pack());
}
return CommandCost();
}