depot_cmd.cpp

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00001 /* $Id: depot_cmd.cpp 25865 2013-10-13 20:11:05Z zuu $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * 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.
00006  * 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.
00007  * 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/>.
00008  */
00009 
00012 #include "stdafx.h"
00013 #include "command_func.h"
00014 #include "depot_base.h"
00015 #include "company_func.h"
00016 #include "string_func.h"
00017 #include "town.h"
00018 #include "vehicle_gui.h"
00019 #include "vehiclelist.h"
00020 #include "window_func.h"
00021 
00022 #include "table/strings.h"
00023 
00029 static bool IsUniqueDepotName(const char *name)
00030 {
00031   const Depot *d;
00032 
00033   FOR_ALL_DEPOTS(d) {
00034     if (d->name != NULL && strcmp(d->name, name) == 0) return false;
00035   }
00036 
00037   return true;
00038 }
00039 
00049 CommandCost CmdRenameDepot(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00050 {
00051   Depot *d = Depot::GetIfValid(p1);
00052   if (d == NULL) return CMD_ERROR;
00053 
00054   CommandCost ret = CheckTileOwnership(d->xy);
00055   if (ret.Failed()) return ret;
00056 
00057   bool reset = StrEmpty(text);
00058 
00059   if (!reset) {
00060     if (Utf8StringLength(text) >= MAX_LENGTH_DEPOT_NAME_CHARS) return CMD_ERROR;
00061     if (!IsUniqueDepotName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
00062   }
00063 
00064   if (flags & DC_EXEC) {
00065     free(d->name);
00066 
00067     if (reset) {
00068       d->name = NULL;
00069       MakeDefaultName(d);
00070     } else {
00071       d->name = strdup(text);
00072     }
00073 
00074     /* Update the orders and depot */
00075     SetWindowClassesDirty(WC_VEHICLE_ORDERS);
00076     SetWindowDirty(WC_VEHICLE_DEPOT, d->xy);
00077 
00078     /* Update the depot list */
00079     VehicleType vt = GetDepotVehicleType(d->xy);
00080     SetWindowDirty(GetWindowClassForVehicleType(vt), VehicleListIdentifier(VL_DEPOT_LIST, vt, GetTileOwner(d->xy), d->index).Pack());
00081   }
00082   return CommandCost();
00083 }