src/saveload/depot_sl.cpp

   1 /* $Id$ */
   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_buffer.h"
  17
  18 static TownID _town_index;
  19
  20 static const SaveLoad _depot_desc[] = {
  21          SLE_VAR(Depot, xy,         SLE_FILE_U16 | SLE_VAR_U32, , ,   0,   5),
  22          SLE_VAR(Depot, xy,         SLE_UINT32,                0, ,   6,    ),
  23         SLEG_VAR(_town_index,       SLE_UINT16,                 , ,   0, 140),
  24          SLE_REF(Depot, town,       REF_TOWN,                  0, , 141,    ),
  25          SLE_VAR(Depot, town_cn,    SLE_UINT16,                0, , 141,    ),
  26          SLE_STR(Depot, name,       SLS_STR, 0,                0, , 141,    ),
  27          SLE_VAR(Depot, build_date, SLE_INT32,                 0, , 142,    ),
  28          SLE_END()
  29 };
  30
  31 static void Save_DEPT(SaveDumper *dumper)
  32 {
  33         Depot *depot;
  34
  35         FOR_ALL_DEPOTS(depot) {
  36                 dumper->WriteElement(depot->index, depot, _depot_desc);
  37         }
  38 }
  39
  40 static void Load_DEPT(LoadBuffer *reader)
  41 {
  42         int index;
  43
  44         while ((index = reader->IterateChunk()) != -1) {
  45                 Depot *depot = new (index) Depot();
  46                 reader->ReadObject(depot, _depot_desc);
  47
  48                 /* Set the town 'pointer' so we can restore it later. */
  49                 if (reader->IsOTTDVersionBefore(141)) depot->town = (Town *)(size_t)_town_index;
  50         }
  51 }
  52
  53 static void Ptrs_DEPT(const SavegameTypeVersion *stv)
  54 {
  55         Depot *depot;
  56
  57         FOR_ALL_DEPOTS(depot) {
  58                 SlObjectPtrs(depot, _depot_desc, stv);
  59                 if ((stv != NULL) && IsOTTDSavegameVersionBefore(stv, 141)) depot->town = Town::Get((size_t)depot->town);
  60         }
  61 }
  62
  63 extern const ChunkHandler _depot_chunk_handlers[] = {
  64         { 'DEPT', Save_DEPT, Load_DEPT, Ptrs_DEPT, NULL, CH_ARRAY | CH_LAST},
  65 };