subsidy_sl.cpp

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/*
 * This file is part of OpenTTD.
 * 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.
 * 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.
 * 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 <https://www.gnu.org/licenses/old-licenses/gpl-2.0>.
 */

 
#include "../stdafx.h"
 
#include "saveload.h"
#include "compat/subsidy_sl_compat.h"
 
#include "../subsidy_base.h"
 
#include "../safeguards.h"
 
static const SaveLoad _subsidies_desc[] = {
      SLE_VAR(Subsidy, cargo_type, VarTypes::U8),
  SLE_CONDVAR(Subsidy, remaining, VarFileType::U8 | VarMemType::U16, SaveLoadVersion::MinVersion, SaveLoadVersion::CustomSubsidyDuration),
  SLE_CONDVAR(Subsidy, remaining, VarTypes::U16, SaveLoadVersion::CustomSubsidyDuration, SaveLoadVersion::MaxVersion),
  SLE_CONDVAR(Subsidy, awarded, VarTypes::U8, SaveLoadVersion::RemoveSubsidyStationBinding, SaveLoadVersion::MaxVersion),
  SLE_CONDVARNAME(Subsidy, src.type, "src_type", VarTypes::U8, SaveLoadVersion::RemoveSubsidyStationBinding, SaveLoadVersion::MaxVersion),
  SLE_CONDVARNAME(Subsidy, dst.type, "dst_type", VarTypes::U8, SaveLoadVersion::RemoveSubsidyStationBinding, SaveLoadVersion::MaxVersion),
  SLE_CONDVARNAME(Subsidy, src.id, "src", VarFileType::U8 | VarMemType::U16, SaveLoadVersion::MinVersion, SaveLoadVersion::BigMap),
  SLE_CONDVARNAME(Subsidy, src.id, "src", VarTypes::U16, SaveLoadVersion::BigMap, SaveLoadVersion::MaxVersion),
  SLE_CONDVARNAME(Subsidy, dst.id, "dst", VarFileType::U8 | VarMemType::U16, SaveLoadVersion::MinVersion, SaveLoadVersion::BigMap),
  SLE_CONDVARNAME(Subsidy, dst.id, "dst", VarTypes::U16, SaveLoadVersion::BigMap, SaveLoadVersion::MaxVersion),
};
 
struct SUBSChunkHandler : ChunkHandler {
  SUBSChunkHandler() : ChunkHandler('SUBS', ChunkType::Table) {}
 
  void Save() const override
  {
    SlTableHeader(_subsidies_desc);
 
    for (Subsidy *s : Subsidy::Iterate()) {
      SlSetArrayIndex(s->index);
      SlObject(s, _subsidies_desc);
    }
  }
 
  void Load() const override
  {
    const std::vector<SaveLoad> slt = SlCompatTableHeader(_subsidies_desc, _subsidies_sl_compat);
 
    int index;
    while ((index = SlIterateArray()) != -1) {
      Subsidy *s = Subsidy::CreateAtIndex(SubsidyID(index));
      SlObject(s, slt);
    }
  }
};
 
static const SUBSChunkHandler SUBS;
static const ChunkHandlerRef subsidy_chunk_handlers[] = {
  SUBS,
};
 
extern const ChunkHandlerTable _subsidy_chunk_handlers(subsidy_chunk_handlers);