OpenTTD
autoreplace_sl.cpp
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1 /*
2  * This file is part of OpenTTD.
3  * 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.
4  * 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.
5  * 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/>.
6  */
7 
10 #include "../stdafx.h"
11 #include "../autoreplace_base.h"
12 
13 #include "saveload.h"
14 
15 #include "../safeguards.h"
16 
17 static const SaveLoad _engine_renew_desc[] = {
18  SLE_VAR(EngineRenew, from, SLE_UINT16),
19  SLE_VAR(EngineRenew, to, SLE_UINT16),
20 
22  SLE_CONDVAR(EngineRenew, group_id, SLE_UINT16, SLV_60, SL_MAX_VERSION),
23  SLE_CONDVAR(EngineRenew, replace_when_old, SLE_BOOL, SLV_175, SL_MAX_VERSION),
24  SLE_END()
25 };
26 
27 static void Save_ERNW()
28 {
29  for (EngineRenew *er : EngineRenew::Iterate()) {
30  SlSetArrayIndex(er->index);
31  SlObject(er, _engine_renew_desc);
32  }
33 }
34 
35 static void Load_ERNW()
36 {
37  int index;
38 
39  while ((index = SlIterateArray()) != -1) {
40  EngineRenew *er = new (index) EngineRenew();
41  SlObject(er, _engine_renew_desc);
42 
43  /* Advanced vehicle lists, ungrouped vehicles got added */
45  er->group_id = ALL_GROUP;
46  } else if (IsSavegameVersionBefore(SLV_71)) {
47  if (er->group_id == DEFAULT_GROUP) er->group_id = ALL_GROUP;
48  }
49  }
50 }
51 
52 static void Ptrs_ERNW()
53 {
54  for (EngineRenew *er : EngineRenew::Iterate()) {
55  SlObject(er, _engine_renew_desc);
56  }
57 }
58 
59 extern const ChunkHandler _autoreplace_chunk_handlers[] = {
60  { 'ERNW', Save_ERNW, Load_ERNW, Ptrs_ERNW, nullptr, CH_ARRAY | CH_LAST},
61 };
static bool IsSavegameVersionBefore(SaveLoadVersion major, byte minor=0)
Checks whether the savegame is below major.
Definition: saveload.h:763
#define SLE_REF(base, variable, type)
Storage of a reference in every version of a savegame.
Definition: saveload.h:602
71 10567
Definition: saveload.h:127
175 24136
Definition: saveload.h:252
Load/save a reference to an engine renewal (autoreplace).
Definition: saveload.h:377
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:534
Highest possible saveload version.
Definition: saveload.h:305
int SlIterateArray()
Iterate through the elements of an array and read the whole thing.
Definition: saveload.cpp:637
Handlers and description of chunk.
Definition: saveload.h:356
#define SLE_END()
End marker of a struct/class save or load.
Definition: saveload.h:651
static const GroupID DEFAULT_GROUP
Ungrouped vehicles are in this group.
Definition: group_type.h:17
static Pool::IterateWrapper< Titem > Iterate(size_t from=0)
Returns an iterable ensemble of all valid Titem.
Definition: pool_type.hpp:340
Struct to store engine replacements.
void SlObject(void *object, const SaveLoad *sld)
Main SaveLoad function.
Definition: saveload.cpp:1546
SaveLoad type struct.
Definition: saveload.h:496
#define SLE_VAR(base, variable, type)
Storage of a variable in every version of a savegame.
Definition: saveload.h:594
Last chunk in this array.
Definition: saveload.h:391
60 9874
Definition: saveload.h:114
static const GroupID ALL_GROUP
All vehicles are in this group.
Definition: group_type.h:16