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signs_sl.cpp
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1 /* $Id: signs_sl.cpp 26482 2014-04-23 20:13:33Z rubidium $ */
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
12 #include "../stdafx.h"
13 #include "../signs_base.h"
14 #include "../fios.h"
15
16 #include "saveload.h"
17
18 #include "../safeguards.h"
19
21 static const SaveLoad _sign_desc[] = {
22 SLE_CONDVAR(Sign, name, SLE_NAME, 0, 83),
23 SLE_CONDSTR(Sign, name, SLE_STR | SLF_ALLOW_CONTROL, 0, 84, SL_MAX_VERSION),
24 SLE_CONDVAR(Sign, x, SLE_FILE_I16 | SLE_VAR_I32, 0, 4),
25 SLE_CONDVAR(Sign, y, SLE_FILE_I16 | SLE_VAR_I32, 0, 4),
26 SLE_CONDVAR(Sign, x, SLE_INT32, 5, SL_MAX_VERSION),
27 SLE_CONDVAR(Sign, y, SLE_INT32, 5, SL_MAX_VERSION),
28 SLE_CONDVAR(Sign, owner, SLE_UINT8, 6, SL_MAX_VERSION),
29 SLE_CONDVAR(Sign, z, SLE_FILE_U8 | SLE_VAR_I32, 0, 163),
30 SLE_CONDVAR(Sign, z, SLE_INT32, 164, SL_MAX_VERSION),
31 SLE_END()
32 };
33
35 static void Save_SIGN()
36 {
37 Sign *si;
38
39 FOR_ALL_SIGNS(si) {
40 SlSetArrayIndex(si->index);
41 SlObject(si, _sign_desc);
42 }
43 }
44
46 static void Load_SIGN()
47 {
48 int index;
49 while ((index = SlIterateArray()) != -1) {
50 Sign *si = new (index) Sign();
51 SlObject(si, _sign_desc);
52 /* Before version 6.1, signs didn't have owner.
53 * Before version 83, invalid signs were determined by si->str == 0.
54 * Before version 103, owner could be a bankrupted company.
55 * - we can't use IsValidCompany() now, so this is fixed in AfterLoadGame()
56 * All signs that were saved are valid (including those with just 'Sign' and INVALID_OWNER).
57 * - so set owner to OWNER_NONE if needed (signs from pre-version 6.1 would be lost) */
58 if (IsSavegameVersionBefore(6, 1) || (IsSavegameVersionBefore(83) && si->owner == INVALID_OWNER)) {
59 si->owner = OWNER_NONE;
60 }
61
62 /* Signs placed in scenario editor shall now be OWNER_DEITY */
63 if (IsSavegameVersionBefore(171) && si->owner == OWNER_NONE && _saveload_mode == SLD_LOAD_SCENARIO) {
64 si->owner = OWNER_DEITY;
65 }
66 }
67 }
68
70 extern const ChunkHandler _sign_chunk_handlers[] = {
71 { 'SIGN', Save_SIGN, Load_SIGN, NULL, NULL, CH_ARRAY | CH_LAST},
72 };