src/saveload/subsidy_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 subsidy_sl.cpp Code handling saving and loading of subsidies */
   9
  10 #include "../stdafx.h"
  11
  12 #include "saveload.h"
  13 #include "compat/subsidy_sl_compat.h"
  14
  15 #include "../subsidy_base.h"
  16
  17 #include "../safeguards.h"
  18
  19 static const SaveLoad _subsidies_desc[] = {
  20             SLE_VAR(Subsidy, cargo_type, SLE_UINT8),
  21         SLE_CONDVAR(Subsidy, remaining,  SLE_FILE_U8 | SLE_VAR_U16, SL_MIN_VERSION, SLV_CUSTOM_SUBSIDY_DURATION),
  22         SLE_CONDVAR(Subsidy, remaining,  SLE_UINT16,                SLV_CUSTOM_SUBSIDY_DURATION, SL_MAX_VERSION),
  23         SLE_CONDVAR(Subsidy, awarded,    SLE_UINT8,                                     SLV_125, SL_MAX_VERSION),
  24         SLE_CONDVAR(Subsidy, src_type,   SLE_UINT8,                                     SLV_125, SL_MAX_VERSION),
  25         SLE_CONDVAR(Subsidy, dst_type,   SLE_UINT8,                                     SLV_125, SL_MAX_VERSION),
  26         SLE_CONDVAR(Subsidy, src,        SLE_FILE_U8 | SLE_VAR_U16,                       SL_MIN_VERSION, SLV_5),
  27         SLE_CONDVAR(Subsidy, src,        SLE_UINT16,                                      SLV_5, SL_MAX_VERSION),
  28         SLE_CONDVAR(Subsidy, dst,        SLE_FILE_U8 | SLE_VAR_U16,                       SL_MIN_VERSION, SLV_5),
  29         SLE_CONDVAR(Subsidy, dst,        SLE_UINT16,                                      SLV_5, SL_MAX_VERSION),
  30 };
  31
  32 struct SUBSChunkHandler : ChunkHandler {
  33         SUBSChunkHandler() : ChunkHandler('SUBS', CH_TABLE) {}
  34
  35         void Save() const override
  36         {
  37                 SlTableHeader(_subsidies_desc);
  38
  39                 for (Subsidy *s : Subsidy::Iterate()) {
  40                         SlSetArrayIndex(s->index);
  41                         SlObject(s, _subsidies_desc);
  42                 }
  43         }
  44
  45         void Load() const override
  46         {
  47                 const std::vector<SaveLoad> slt = SlCompatTableHeader(_subsidies_desc, _subsidies_sl_compat);
  48
  49                 int index;
  50                 while ((index = SlIterateArray()) != -1) {
  51                         Subsidy *s = new (index) Subsidy();
  52                         SlObject(s, slt);
  53                 }
  54         }
  55 };
  56
  57 static const SUBSChunkHandler SUBS;
  58 static const ChunkHandlerRef subsidy_chunk_handlers[] = {
  59         SUBS,
  60 };
  61
  62 extern const ChunkHandlerTable _subsidy_chunk_handlers(subsidy_chunk_handlers);