summaryrefslogtreecommitdiff
path: root/src/saveload/storage_sl.cpp
blob: 4838e9f12a2fd2ed5c9eaa98ef62883f35792930 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
/*
 * 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),
};

/** Load persistent storage data. */
static void Load_PSAC()
{
	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);
	}
}

/** Save persistent storage data. */
static void Save_PSAC()
{
	SlTableHeader(_storage_desc);

	/* Write the industries */
	for (PersistentStorage *ps : PersistentStorage::Iterate()) {
		ps->ClearChanges();
		SlSetArrayIndex(ps->index);
		SlObject(ps, _storage_desc);
	}
}

static const ChunkHandler persistent_storage_chunk_handlers[] = {
	{ 'PSAC', Save_PSAC, Load_PSAC, nullptr, nullptr, CH_TABLE },
};

extern const ChunkHandlerTable _persistent_storage_chunk_handlers(persistent_storage_chunk_handlers);