autoreplace_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/autoreplace_sl_compat.h"
 
#include "../autoreplace_base.h"
 
#include "../safeguards.h"
 
static const SaveLoad _engine_renew_desc[] = {
      SLE_VAR(EngineRenew, from,     VarTypes::U16),
      SLE_VAR(EngineRenew, to,       VarTypes::U16),
 
      SLE_REF(EngineRenew, next,     SLRefType::EngineRenew),
  SLE_CONDVAR(EngineRenew, group_id, VarTypes::U16, SaveLoadVersion::VehicleGroups, SaveLoadVersion::MaxVersion),
  SLE_CONDVAR(EngineRenew, replace_when_old, VarTypes::BOOL, SaveLoadVersion::AutoreplaceWhenOldTreeLimit, SaveLoadVersion::MaxVersion),
};
 
struct ERNWChunkHandler : ChunkHandler {
  ERNWChunkHandler() : ChunkHandler('ERNW', ChunkType::Table) {}
 
  void Save() const override
  {
    SlTableHeader(_engine_renew_desc);
 
    for (EngineRenew *er : EngineRenew::Iterate()) {
      SlSetArrayIndex(er->index);
      SlObject(er, _engine_renew_desc);
    }
  }
 
  void Load() const override
  {
    const std::vector<SaveLoad> slt = SlCompatTableHeader(_engine_renew_desc, _engine_renew_sl_compat);
 
    int index;
 
    while ((index = SlIterateArray()) != -1) {
      EngineRenew *er = EngineRenew::CreateAtIndex(EngineRenewID(index));
      SlObject(er, slt);
 
      /* Advanced vehicle lists, ungrouped vehicles got added */
      if (IsSavegameVersionBefore(SaveLoadVersion::VehicleGroups)) {
        er->group_id = ALL_GROUP;
      } else if (IsSavegameVersionBefore(SaveLoadVersion::UngroupedVehicles)) {
        if (er->group_id == DEFAULT_GROUP) er->group_id = ALL_GROUP;
      }
    }
  }
 
  void FixPointers() const override
  {
    for (EngineRenew *er : EngineRenew::Iterate()) {
      SlObject(er, _engine_renew_desc);
    }
  }
};
 
static const ERNWChunkHandler ERNW;
static const ChunkHandlerRef autoreplace_chunk_handlers[] = {
  ERNW,
};
 
extern const ChunkHandlerTable _autoreplace_chunk_handlers(autoreplace_chunk_handlers);