labelmaps_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/labelmaps_sl_compat.h"
 
#include "saveload_internal.h"
#include "../rail.h"
#include "../road.h"
#include "../newgrf_railtype.h"
#include "../newgrf_roadtype.h"
 
#include "../safeguards.h"
 
extern std::vector<LabelObject<RailTypeLabel>> _railtype_list;
extern std::vector<LabelObject<RoadTypeLabel>> _roadtype_list;

void AfterLoadLabelMaps()
{
  ConvertRailTypes();
  ConvertRoadTypes();
 
  SetCurrentRailTypeLabelList();
  SetCurrentRoadTypeLabelList();
}
 
struct RAILChunkHandler : ChunkHandler {
  RAILChunkHandler() : ChunkHandler("RAIL", ChunkType::Table) {}
 
  static inline const SaveLoad description[] = {
    SaveLoad::Variable<VarFileType::Label>("label", SLE_OBJECT_ADDRESS(LabelObject<RailTypeLabel>, label)),
  };
 
  void Save() const override
  {
    SlTableHeader(description);
 
    LabelObject<RailTypeLabel> lo;
    for (RailType r : EnumRange(RAILTYPE_END)) {
      lo.label = GetRailTypeInfo(r)->label;
 
      SlSetArrayIndex(r);
      SlObject(&lo, description);
    }
  }
 
  void Load() const override
  {
    const std::vector<SaveLoad> slt = SlCompatTableHeader(description, _label_object_sl_compat);
 
    _railtype_list.reserve(RAILTYPE_END);
 
    LabelObject<RailTypeLabel> lo;
 
    while (SlIterateArray() != -1) {
      SlObject(&lo, slt);
       if (IsSavegameVersionBefore(SaveLoadVersion::LabelOrientationUnification)) std::ranges::reverse(lo.label);
      _railtype_list.push_back(lo);
    }
  }
};
 
struct ROTTChunkHandler : ChunkHandler {
  ROTTChunkHandler() : ChunkHandler("ROTT", ChunkType::Table) {}
 
  static inline const SaveLoad description[] = {
    SaveLoad::Variable<VarFileType::Label>("label", SLE_OBJECT_ADDRESS(LabelObject<RoadTypeLabel>, label)),
    SaveLoad::Variable<VarFileType::U8>("subtype", SLE_OBJECT_ADDRESS(LabelObject<RoadTypeLabel>, subtype)),
  };
 
  void Save() const override
  {
    SlTableHeader(description);
 
    LabelObject<RoadTypeLabel> lo;
    for (RoadType r : EnumRange(ROADTYPE_END)) {
      const RoadTypeInfo *rti = GetRoadTypeInfo(r);
      lo.label = rti->label;
      lo.subtype = to_underlying(GetRoadTramType(r));
 
      SlSetArrayIndex(r);
      SlObject(&lo, description);
    }
  }
 
  void Load() const override
  {
    const std::vector<SaveLoad> slt = SlCompatTableHeader(description, _label_object_sl_compat);
 
    _roadtype_list.reserve(ROADTYPE_END);
 
    LabelObject<RoadTypeLabel> lo;
 
    while (SlIterateArray() != -1) {
      SlObject(&lo, slt);
       if (IsSavegameVersionBefore(SaveLoadVersion::LabelOrientationUnification)) std::ranges::reverse(lo.label);
      _roadtype_list.push_back(lo);
    }
  }
};
 
static const RAILChunkHandler RAIL;
static const ROTTChunkHandler ROTT;
 
static const ChunkHandlerRef labelmaps_chunk_handlers[] = {
  RAIL,
  ROTT,
};
 
extern const ChunkHandlerTable _labelmaps_chunk_handlers(labelmaps_chunk_handlers);