OpenTTD/src/saveload/storage_sl.cpp

62 lines
2.1 KiB
C++

/*
* This file is part of OpenTTD.
* 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.
* 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.
* 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/>.
*/
/** @file storage_sl.cpp Code handling saving and loading of persistent storages. */
#include "../stdafx.h"
#include "saveload.h"
#include "compat/storage_sl_compat.h"
#include "../newgrf_storage.h"
#include "../safeguards.h"
/** Description of the data to save and load in #PersistentStorage. */
static const SaveLoad _storage_desc[] = {
SLE_CONDVAR(PersistentStorage, grfid, SLE_UINT32, SLV_6, SL_MAX_VERSION),
SLE_CONDARR(PersistentStorage, storage, SLE_UINT32, 16, SLV_161, SLV_EXTEND_PERSISTENT_STORAGE),
SLE_CONDARR(PersistentStorage, storage, SLE_UINT32, 256, SLV_EXTEND_PERSISTENT_STORAGE, SL_MAX_VERSION),
};
/** Persistent storage data. */
struct PSACChunkHandler : ChunkHandler {
PSACChunkHandler() : ChunkHandler('PSAC', CH_TABLE) {}
void Load() const override
{
const std::vector<SaveLoad> slt = SlCompatTableHeader(_storage_desc, _storage_sl_compat);
int index;
while ((index = SlIterateArray()) != -1) {
assert(PersistentStorage::CanAllocateItem());
PersistentStorage *ps = new (index) PersistentStorage(0, 0, 0);
SlObject(ps, slt);
}
}
void Save() const override
{
SlTableHeader(_storage_desc);
/* Write the industries */
for (PersistentStorage *ps : PersistentStorage::Iterate()) {
ps->ClearChanges();
SlSetArrayIndex(ps->index);
SlObject(ps, _storage_desc);
}
}
};
static const PSACChunkHandler PSAC;
static const ChunkHandlerRef persistent_storage_chunk_handlers[] = {
PSAC,
};
extern const ChunkHandlerTable _persistent_storage_chunk_handlers(persistent_storage_chunk_handlers);