src/saveload/storage_sl.cpp

   1 /* $Id: storage_sl.cpp 26371 2014-02-23 22:03:08Z frosch $ */
   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 storage_sl.cpp Code handling saving and loading of persistent storages. */
  11
  12 #include "../stdafx.h"
  13 #include "../newgrf_storage.h"
  14 #include "saveload.h"
  15
  16 #include "../safeguards.h"
  17
  18 /** Description of the data to save and load in #PersistentStorage. */
  19 static const SaveLoad _storage_desc[] = {
  20          SLE_CONDVAR(PersistentStorage, grfid,    SLE_UINT32,                  6, SL_MAX_VERSION),
  21          SLE_CONDARR(PersistentStorage, storage,  SLE_UINT32, 16,            161, SL_MAX_VERSION),
  22          SLE_END()
  23 };
  24
  25 /** Load persistent storage data. */
  26 static void Load_PSAC()
  27 {
  28         int index;
  29
  30         while ((index = SlIterateArray()) != -1) {
  31                 assert(PersistentStorage::CanAllocateItem());
  32                 PersistentStorage *ps = new (index) PersistentStorage(0, 0, 0);
  33                 SlObject(ps, _storage_desc);
  34         }
  35 }
  36
  37 /** Save persistent storage data. */
  38 static void Save_PSAC()
  39 {
  40         PersistentStorage *ps;
  41
  42         /* Write the industries */
  43         FOR_ALL_STORAGES(ps) {
  44                 ps->ClearChanges();
  45                 SlSetArrayIndex(ps->index);
  46                 SlObject(ps, _storage_desc);
  47         }
  48 }
  49
  50 /** Chunk handler for persistent storages. */
  51 extern const ChunkHandler _persistent_storage_chunk_handlers[] = {
  52         { 'PSAC', Save_PSAC, Load_PSAC, NULL, NULL, CH_ARRAY | CH_LAST},
  53 };