depot_sl.cpp

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00001 /* $Id: depot_sl.cpp 21284 2010-11-21 12:47:04Z alberth $ */
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 "../depot_base.h"
00014 #include "../town.h"
00015 
00016 #include "saveload.h"
00017 
00018 static TownID _town_index;
00019 
00020 static const SaveLoad _depot_desc[] = {
00021    SLE_CONDVAR(Depot, xy,         SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
00022    SLE_CONDVAR(Depot, xy,         SLE_UINT32,                 6, SL_MAX_VERSION),
00023   SLEG_CONDVAR(_town_index,       SLE_UINT16,                 0, 140),
00024    SLE_CONDREF(Depot, town,       REF_TOWN,                 141, SL_MAX_VERSION),
00025    SLE_CONDVAR(Depot, town_cn,    SLE_UINT16,               141, SL_MAX_VERSION),
00026    SLE_CONDSTR(Depot, name,       SLE_STR, 0,               141, SL_MAX_VERSION),
00027    SLE_CONDVAR(Depot, build_date, SLE_INT32,                142, SL_MAX_VERSION),
00028    SLE_END()
00029 };
00030 
00031 static void Save_DEPT()
00032 {
00033   Depot *depot;
00034 
00035   FOR_ALL_DEPOTS(depot) {
00036     SlSetArrayIndex(depot->index);
00037     SlObject(depot, _depot_desc);
00038   }
00039 }
00040 
00041 static void Load_DEPT()
00042 {
00043   int index;
00044 
00045   while ((index = SlIterateArray()) != -1) {
00046     Depot *depot = new (index) Depot();
00047     SlObject(depot, _depot_desc);
00048 
00049     /* Set the town 'pointer' so we can restore it later. */
00050     if (IsSavegameVersionBefore(141)) depot->town = (Town *)(size_t)_town_index;
00051   }
00052 }
00053 
00054 static void Ptrs_DEPT()
00055 {
00056   Depot *depot;
00057 
00058   FOR_ALL_DEPOTS(depot) {
00059     SlObject(depot, _depot_desc);
00060     if (IsSavegameVersionBefore(141)) depot->town = Town::Get((size_t)depot->town);
00061   }
00062 }
00063 
00064 extern const ChunkHandler _depot_chunk_handlers[] = {
00065   { 'DEPT', Save_DEPT, Load_DEPT, Ptrs_DEPT, NULL, CH_ARRAY | CH_LAST},
00066 };

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