OpenTTD
signs_sl.cpp
Go to the documentation of this file.
1 /* $Id$ */
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, SL_MIN_VERSION, SLV_84),
24  SLE_CONDVAR(Sign, x, SLE_FILE_I16 | SLE_VAR_I32, SL_MIN_VERSION, SLV_5),
25  SLE_CONDVAR(Sign, y, SLE_FILE_I16 | SLE_VAR_I32, SL_MIN_VERSION, SLV_5),
26  SLE_CONDVAR(Sign, x, SLE_INT32, SLV_5, SL_MAX_VERSION),
27  SLE_CONDVAR(Sign, y, SLE_INT32, SLV_5, SL_MAX_VERSION),
28  SLE_CONDVAR(Sign, owner, SLE_UINT8, SLV_6, SL_MAX_VERSION),
29  SLE_CONDVAR(Sign, z, SLE_FILE_U8 | SLE_VAR_I32, SL_MIN_VERSION, SLV_164),
30  SLE_CONDVAR(Sign, z, SLE_INT32, SLV_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) */
59  si->owner = OWNER_NONE;
60  }
61 
62  /* Signs placed in scenario editor shall now be OWNER_DEITY */
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 };
static bool IsSavegameVersionBefore(SaveLoadVersion major, byte minor=0)
Checks whether the savegame is below major.
Definition: saveload.h:753
#define SLE_CONDSTR(base, variable, type, length, from, to)
Storage of a string in some savegame versions.
Definition: saveload.h:556
FileToSaveLoad _file_to_saveload
File to save or load in the openttd loop.
Definition: saveload.cpp:59
Tindex index
Index of this pool item.
Definition: pool_type.hpp:147
const ChunkHandler _sign_chunk_handlers[]
Chunk handlers related to signs.
The object is owned by a superuser / goal script.
Definition: company_type.h:29
old or new scenario
Definition: fileio_type.h:21
Functions/types related to saving and loading games.
#define SLE_CONDVAR(base, variable, type, from, to)
Storage of a variable in some savegame versions.
Definition: saveload.h:524
Highest possible saveload version.
Definition: saveload.h:295
allow control codes in the strings
Definition: saveload.h:461
5.0 1429 5.1 1440 5.2 1525 0.3.6
Definition: saveload.h:44
171 23835
Definition: saveload.h:249
First savegame version.
Definition: saveload.h:32
static void Load_SIGN()
Load all signs.
Definition: signs_sl.cpp:46
The tile has no ownership.
Definition: company_type.h:27
84 11822
Definition: saveload.h:144
6.0 1721 6.1 1768
Definition: saveload.h:47
83 11589
Definition: saveload.h:143
164 23290
Definition: saveload.h:240
int SlIterateArray()
Iterate through the elements of an array and read the whole thing.
Definition: saveload.cpp:634
Handlers and description of chunk.
Definition: saveload.h:346
#define SLE_END()
End marker of a struct/class save or load.
Definition: saveload.h:641
void SlObject(void *object, const SaveLoad *sld)
Main SaveLoad function.
Definition: saveload.cpp:1543
static const SaveLoad _sign_desc[]
Description of a sign within the savegame.
Definition: signs_sl.cpp:21
AbstractFileType abstract_ftype
Abstract type of file (scenario, heightmap, etc).
Definition: saveload.h:309
static void Save_SIGN()
Save all signs.
Definition: signs_sl.cpp:35
SaveLoad type struct.
Definition: saveload.h:486
#define SLE_STR(base, variable, type, length)
Storage of a string in every savegame version.
Definition: saveload.h:610
An invalid owner.
Definition: company_type.h:31
Last chunk in this array.
Definition: saveload.h:381