src/saveload/depot_sl.cpp

   1 /* $Id: depot_sl.cpp 21284 2010-11-21 12:47:04Z alberth $ */
   2
   3 /*
   4  * This file is part of OpenTTD.
   5  * 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.
   6  * 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.
   7  * 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/>.
   8  */
   9
  10 /** @file depot_sl.cpp Code handling saving and loading of depots */
  11
  12 #include "../stdafx.h"
  13 #include "../depot_base.h"
  14 #include "../town.h"
  15
  16 #include "saveload.h"
  17
  18 #include "../safeguards.h"
  19
  20 static TownID _town_index;
  21
  22 static const SaveLoad _depot_desc[] = {
  23          SLE_CONDVAR(Depot, xy,         SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
  24          SLE_CONDVAR(Depot, xy,         SLE_UINT32,                 6, SL_MAX_VERSION),
  25         SLEG_CONDVAR(_town_index,       SLE_UINT16,                 0, 140),
  26          SLE_CONDREF(Depot, town,       REF_TOWN,                 141, SL_MAX_VERSION),
  27          SLE_CONDVAR(Depot, town_cn,    SLE_UINT16,               141, SL_MAX_VERSION),
  28          SLE_CONDSTR(Depot, name,       SLE_STR, 0,               141, SL_MAX_VERSION),
  29          SLE_CONDVAR(Depot, build_date, SLE_INT32,                142, SL_MAX_VERSION),
  30          SLE_END()
  31 };
  32
  33 static void Save_DEPT()
  34 {
  35         Depot *depot;
  36
  37         FOR_ALL_DEPOTS(depot) {
  38                 SlSetArrayIndex(depot->index);
  39                 SlObject(depot, _depot_desc);
  40         }
  41 }
  42
  43 static void Load_DEPT()
  44 {
  45         int index;
  46
  47         while ((index = SlIterateArray()) != -1) {
  48                 Depot *depot = new (index) Depot();
  49                 SlObject(depot, _depot_desc);
  50
  51                 /* Set the town 'pointer' so we can restore it later. */
  52                 if (IsSavegameVersionBefore(141)) depot->town = (Town *)(size_t)_town_index;
  53         }
  54 }
  55
  56 static void Ptrs_DEPT()
  57 {
  58         Depot *depot;
  59
  60         FOR_ALL_DEPOTS(depot) {
  61                 SlObject(depot, _depot_desc);
  62                 if (IsSavegameVersionBefore(141)) depot->town = Town::Get((size_t)depot->town);
  63         }
  64 }
  65
  66 extern const ChunkHandler _depot_chunk_handlers[] = {
  67         { 'DEPT', Save_DEPT, Load_DEPT, Ptrs_DEPT, NULL, CH_ARRAY | CH_LAST},
  68 };