src/saveload/cheat_sl.cpp

   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
   8 /** @file cheat_sl.cpp Code handling saving and loading of cheats */
   9
  10 #include "../stdafx.h"
  11
  12 #include "saveload.h"
  13 #include "compat/cheat_sl_compat.h"
  14
  15 #include "../cheat_type.h"
  16
  17 #include "../safeguards.h"
  18
  19 static const SaveLoad _cheats_desc[] = {
  20         SLE_VAR(Cheats, magic_bulldozer.been_used, SLE_BOOL),
  21         SLE_VAR(Cheats, magic_bulldozer.value, SLE_BOOL),
  22         SLE_VAR(Cheats, switch_company.been_used, SLE_BOOL),
  23         SLE_VAR(Cheats, switch_company.value, SLE_BOOL),
  24         SLE_VAR(Cheats, money.been_used, SLE_BOOL),
  25         SLE_VAR(Cheats, money.value, SLE_BOOL),
  26         SLE_VAR(Cheats, crossing_tunnels.been_used, SLE_BOOL),
  27         SLE_VAR(Cheats, crossing_tunnels.value, SLE_BOOL),
  28         SLE_VAR(Cheats, no_jetcrash.been_used, SLE_BOOL),
  29         SLE_VAR(Cheats, no_jetcrash.value, SLE_BOOL),
  30         SLE_VAR(Cheats, change_date.been_used, SLE_BOOL),
  31         SLE_VAR(Cheats, change_date.value, SLE_BOOL),
  32         SLE_VAR(Cheats, setup_prod.been_used, SLE_BOOL),
  33         SLE_VAR(Cheats, setup_prod.value, SLE_BOOL),
  34         SLE_VAR(Cheats, edit_max_hl.been_used, SLE_BOOL),
  35         SLE_VAR(Cheats, edit_max_hl.value, SLE_BOOL),
  36         SLE_CONDVAR(Cheats, station_rating.been_used, SLE_BOOL, SLV_STATION_RATING_CHEAT, SL_MAX_VERSION),
  37         SLE_CONDVAR(Cheats, station_rating.value, SLE_BOOL, SLV_STATION_RATING_CHEAT, SL_MAX_VERSION),
  38 };
  39
  40
  41 struct CHTSChunkHandler : ChunkHandler {
  42         CHTSChunkHandler() : ChunkHandler('CHTS', CH_TABLE) {}
  43
  44         void Save() const override
  45         {
  46                 SlTableHeader(_cheats_desc);
  47
  48                 SlSetArrayIndex(0);
  49                 SlObject(&_cheats, _cheats_desc);
  50         }
  51
  52         void Load() const override
  53         {
  54                 std::vector<SaveLoad> slt = SlCompatTableHeader(_cheats_desc, _cheats_sl_compat);
  55
  56                 if (IsSavegameVersionBefore(SLV_TABLE_CHUNKS)) {
  57                         size_t count = SlGetFieldLength();
  58                         std::vector<SaveLoad> oslt;
  59
  60                         /* Cheats were added over the years without a savegame bump. They are
  61                          * stored as 2 SLE_BOOLs per entry. "count" indicates how many SLE_BOOLs
  62                          * are stored for this savegame. So read only "count" SLE_BOOLs (and in
  63                          * result "count / 2" cheats). */
  64                         for (auto &sld : slt) {
  65                                 count--;
  66                                 oslt.push_back(sld);
  67
  68                                 if (count == 0) break;
  69                         }
  70                         slt = oslt;
  71                 }
  72
  73                 if (!IsSavegameVersionBefore(SLV_RIFF_TO_ARRAY) && SlIterateArray() == -1) return;
  74                 SlObject(&_cheats, slt);
  75                 if (!IsSavegameVersionBefore(SLV_RIFF_TO_ARRAY) && SlIterateArray() != -1) SlErrorCorrupt("Too many CHTS entries");
  76         }
  77 };
  78
  79 static const CHTSChunkHandler CHTS;
  80 static const ChunkHandlerRef cheat_chunk_handlers[] = {
  81         CHTS,
  82 };
  83
  84 extern const ChunkHandlerTable _cheat_chunk_handlers(cheat_chunk_handlers);