OpenRCT2/src/openrct2/ParkFile.cpp

/*****************************************************************************
 * Copyright (c) 2014-2019 OpenRCT2 developers
 *
 * For a complete list of all authors, please refer to contributors.md
 * Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
 *
 * OpenRCT2 is licensed under the GNU General Public License version 3.
 *****************************************************************************/

#include "ParkFile.h"

#include "Cheats.h"
#include "Context.h"
#include "GameState.h"
#include "OpenRCT2.h"
#include "ParkImporter.h"
#include "Version.h"
#include "core/Crypt.h"
#include "core/DataSerialiser.h"
#include "core/OrcaStream.hpp"
#include "drawing/Drawing.h"
#include "interface/Viewport.h"
#include "interface/Window.h"
#include "localisation/Date.h"
#include "localisation/Localisation.h"
#include "management/Award.h"
#include "management/Finance.h"
#include "management/NewsItem.h"
#include "object/Object.h"
#include "object/ObjectManager.h"
#include "object/ObjectRepository.h"
#include "peep/Staff.h"
#include "ride/ShopItem.h"
#include "ride/Vehicle.h"
#include "scenario/Scenario.h"
#include "world/Climate.h"
#include "world/EntityList.h"
#include "world/Entrance.h"
#include "world/Map.h"
#include "world/Park.h"
#include "world/Sprite.h"

#include <cstdint>
#include <ctime>
#include <numeric>
#include <string_view>
#include <vector>

namespace OpenRCT2
{
    constexpr uint32_t PARK_FILE_MAGIC = 0x4B524150; // PARK

    // Current version that is saved.
    constexpr uint32_t PARK_FILE_CURRENT_VERSION = 0x0;

    // The minimum version that is forwards compatible with the current version.
    constexpr uint32_t PARK_FILE_MIN_VERSION = 0x0;

    namespace ParkFileChunkType
    {
        // clang-format off
//        constexpr uint32_t RESERVED_0       = 0x00;

        constexpr uint32_t AUTHORING        = 0x01;
        constexpr uint32_t OBJECTS          = 0x02;
        constexpr uint32_t SCENARIO         = 0x03;
        constexpr uint32_t GENERAL          = 0x04;
        constexpr uint32_t CLIMATE          = 0x05;
        constexpr uint32_t PARK             = 0x06;
//        constexpr uint32_t HISTORY          = 0x07;
        constexpr uint32_t RESEARCH         = 0x08;
        constexpr uint32_t NOTIFICATIONS    = 0x09;

        constexpr uint32_t INTERFACE        = 0x20;
//        constexpr uint32_t EDITOR           = 0x21;

        constexpr uint32_t TILES            = 0x30;
        constexpr uint32_t ENTITIES          = 0x31;
        constexpr uint32_t RIDES            = 0x32;
        constexpr uint32_t BANNERS          = 0x33;
//        constexpr uint32_t ANIMATIONS       = 0x34;
//        constexpr uint32_t STAFF            = 0x35;
        constexpr uint32_t CHEATS           = 0x36;

//        constexpr uint32_t DERIVED          = 0x50;
        // clang-format on
    }; // namespace ParkFileChunkType

    class ParkFile
    {
    public:
        ObjectList RequiredObjects;

    private:
        std::unique_ptr<OrcaStream> _os;

    public:
        void Load(const std::string_view& path)
        {
            _os = std::make_unique<OrcaStream>(path, OrcaStream::Mode::READING);
            RequiredObjects = {};
            ReadWriteObjectsChunk(*_os);
        }

        void Import()
        {
            auto& os = *_os;
            ReadWriteTilesChunk(os);
            ReadWriteBannersChunk(os);
            ReadWriteRidesChunk(os);
            ReadWriteEntitiesChunk(os);
            ReadWriteScenarioChunk(os);
            ReadWriteGeneralChunk(os);
            ReadWriteParkChunk(os);
            ReadWriteClimateChunk(os);
            ReadWriteResearchChunk(os);
            ReadWriteNotificationsChunk(os);
            ReadWriteInterfaceChunk(os);
            ReadWriteCheatsChunk(os);

            // Initial cash will eventually be removed
            gInitialCash = gCash;
            String::Set(gS6Info.name, sizeof(gS6Info.name), gScenarioName.c_str());
            String::Set(gS6Info.details, sizeof(gS6Info.details), gScenarioName.c_str());

            AutoDeriveVariables();
        }

        void Save(const std::string_view& path)
        {
            OrcaStream os(path, OrcaStream::Mode::WRITING);

            auto& header = os.GetHeader();
            header.Magic = PARK_FILE_MAGIC;
            header.TargetVersion = PARK_FILE_CURRENT_VERSION;
            header.MinVersion = PARK_FILE_MIN_VERSION;

            ReadWriteAuthoringChunk(os);
            ReadWriteObjectsChunk(os);
            ReadWriteTilesChunk(os);
            ReadWriteBannersChunk(os);
            ReadWriteRidesChunk(os);
            ReadWriteEntitiesChunk(os);
            ReadWriteScenarioChunk(os);
            ReadWriteGeneralChunk(os);
            ReadWriteParkChunk(os);
            ReadWriteClimateChunk(os);
            ReadWriteResearchChunk(os);
            ReadWriteNotificationsChunk(os);
            ReadWriteInterfaceChunk(os);
            ReadWriteCheatsChunk(os);
        }

    private:
        void ReadWriteAuthoringChunk(OrcaStream& os)
        {
            // Write-only for now
            if (os.GetMode() == OrcaStream::Mode::WRITING)
            {
                os.ReadWriteChunk(ParkFileChunkType::AUTHORING, [](OrcaStream::ChunkStream& cs) {
                    cs.Write(std::string_view(gVersionInfoFull));
                    std::vector<std::string> authors;
                    cs.ReadWriteVector(authors, [](std::string& s) {});
                    cs.Write(std::string_view());     // custom notes that can be attached to the save
                    cs.Write<uint64_t>(std::time(0)); // date started
                    cs.Write<uint64_t>(std::time(0)); // date modified
                });
            }
        }

        void ReadWriteObjectsChunk(OrcaStream& os)
        {
            static constexpr uint8_t DESCRIPTOR_NONE = 0;
            static constexpr uint8_t DESCRIPTOR_DAT = 1;
            static constexpr uint8_t DESCRIPTOR_JSON = 2;

            if (os.GetMode() == OrcaStream::Mode::READING)
            {
                ObjectList requiredObjects;
                os.ReadWriteChunk(ParkFileChunkType::OBJECTS, [&requiredObjects](OrcaStream::ChunkStream& cs) {
                    auto numSubLists = cs.Read<uint16_t>();
                    for (size_t i = 0; i < numSubLists; i++)
                    {
                        auto objectType = static_cast<ObjectType>(cs.Read<uint16_t>());
                        auto subListSize = static_cast<ObjectEntryIndex>(cs.Read<uint32_t>());
                        for (ObjectEntryIndex j = 0; j < subListSize; j++)
                        {
                            auto kind = cs.Read<uint8_t>();

                            ObjectEntryDescriptor desc;
                            switch (kind)
                            {
                                case DESCRIPTOR_NONE:
                                    break;
                                case DESCRIPTOR_DAT:
                                    desc.Entry = cs.Read<rct_object_entry>();
                                    requiredObjects.SetObject(j, desc);
                                    break;
                                case DESCRIPTOR_JSON:
                                    desc.Type = objectType;
                                    desc.Identifier = cs.Read<std::string>();
                                    desc.Version = cs.Read<std::string>();
                                    requiredObjects.SetObject(j, desc);
                                    break;
                                default:
                                    throw std::runtime_error("Unknown object descriptor kind.");
                            }
                        }
                    }
                });
                RequiredObjects = std::move(requiredObjects);
            }
            else
            {
                os.ReadWriteChunk(ParkFileChunkType::OBJECTS, [](OrcaStream::ChunkStream& cs) {
                    auto& objManager = GetContext()->GetObjectManager();
                    auto objectList = objManager.GetLoadedObjects();

                    // Write number of object sub lists
                    cs.Write(static_cast<uint16_t>(ObjectType::Count));
                    for (auto objectType = ObjectType::Ride; objectType < ObjectType::Count; objectType++)
                    {
                        // Write sub list
                        const auto& list = objectList.GetList(objectType);
                        cs.Write(static_cast<uint16_t>(objectType));
                        cs.Write(static_cast<uint32_t>(list.size()));
                        for (const auto& entry : list)
                        {
                            if (entry.HasValue())
                            {
                                if (entry.Generation == ObjectGeneration::JSON)
                                {
                                    cs.Write(DESCRIPTOR_JSON);
                                    cs.Write(entry.Identifier);
                                    cs.Write(""); // reserved for version
                                }
                                else
                                {
                                    cs.Write(DESCRIPTOR_DAT);
                                    cs.Write(entry.Entry);
                                }
                            }
                            else
                            {
                                cs.Write(DESCRIPTOR_NONE);
                            }
                        }
                    }
                });
            }
        }

        void ReadWriteScenarioChunk(OrcaStream& os)
        {
            os.ReadWriteChunk(ParkFileChunkType::SCENARIO, [](OrcaStream::ChunkStream& cs) {
                cs.ReadWriteAs<uint8_t, uint32_t>(gS6Info.category);
                ReadWriteStringTable(cs, gScenarioName, "en-GB");

                auto& park = GetContext()->GetGameState()->GetPark();
                ReadWriteStringTable(cs, park.Name, "en-GB");

                ReadWriteStringTable(cs, gScenarioDetails, "en-GB");

                //                cs.ReadWriteAs<uint8_t, uint32_t>(gScenarioObjectiveType);
                //                cs.ReadWriteAs<uint8_t, uint16_t>(gScenarioObjectiveYear);       // year
                //                cs.ReadWriteAs<uint16_t, uint32_t>(gScenarioObjectiveNumGuests); // guests
                //                cs.Write<uint16_t>(600);                                         // rating
                //                cs.ReadWriteAs<money32, uint16_t>(gScenarioObjectiveCurrency);   // excitement
                //                cs.ReadWriteAs<uint16_t, uint32_t>(gScenarioObjectiveNumGuests); // length
                //                cs.ReadWrite<money32>(gScenarioObjectiveCurrency);               // park value
                //                cs.ReadWrite<money32>(gScenarioObjectiveCurrency);               // ride profit
                //                cs.ReadWrite<money32>(gScenarioObjectiveCurrency);               // shop profit
                cs.ReadWrite<Objective>(gScenarioObjective);

                cs.ReadWrite(gScenarioParkRatingWarningDays);

                cs.ReadWrite(gScenarioCompletedCompanyValue);
                if (gScenarioCompletedCompanyValue == MONEY32_UNDEFINED
                    || gScenarioCompletedCompanyValue == COMPANY_VALUE_ON_FAILED_OBJECTIVE)
                {
                    cs.Write("");
                }
                else
                {
                    cs.ReadWrite(gScenarioCompletedBy);
                }
            });
        }

        void ReadWriteGeneralChunk(OrcaStream& os)
        {
            auto found = os.ReadWriteChunk(ParkFileChunkType::GENERAL, [](OrcaStream::ChunkStream& cs) {
                cs.ReadWriteAs<uint32_t, uint64_t>(gScenarioTicks);
                cs.ReadWriteAs<uint16_t, uint32_t>(gDateMonthTicks);
                cs.ReadWrite(gDateMonthsElapsed);

                if (cs.GetMode() == OrcaStream::Mode::READING)
                {
                    uint32_t s0{}, s1{};
                    cs.ReadWrite(s0);
                    cs.ReadWrite(s1);
                    Random::Rct2::Seed s{ s0, s1 };
                    gScenarioRand.seed(s);
                }
                else
                {
                    auto randState = gScenarioRand.state();
                    cs.Write(randState.s0);
                    cs.Write(randState.s1);
                }

                cs.ReadWrite(gGuestInitialCash);
                cs.ReadWrite(gGuestInitialHunger);
                cs.ReadWrite(gGuestInitialThirst);

                cs.ReadWrite(gNextGuestNumber);
                cs.ReadWriteVector(gPeepSpawns, [&cs](PeepSpawn& spawn) {
                    cs.ReadWrite(spawn.x);
                    cs.ReadWrite(spawn.y);
                    cs.ReadWrite(spawn.z);
                    cs.ReadWrite(spawn.direction);
                });

                cs.ReadWrite(gLandPrice);
                cs.ReadWrite(gConstructionRightsPrice);
                cs.ReadWrite(gGrassSceneryTileLoopPosition); // TODO (this needs to be xy32)
            });
            if (!found)
            {
                throw std::runtime_error("No general chunk found.");
            }
        }

        void ReadWriteInterfaceChunk(OrcaStream& os)
        {
            os.ReadWriteChunk(ParkFileChunkType::INTERFACE, [](OrcaStream::ChunkStream& cs) {
                cs.ReadWrite(gSavedView);
                cs.ReadWrite(gSavedViewZoom);
                cs.ReadWrite(gSavedViewRotation);
                cs.ReadWriteAs<uint8_t, uint32_t>(gLastEntranceStyle);
            });
        }

        void ReadWriteCheatsChunk(OrcaStream& os)
        {
            os.ReadWriteChunk(ParkFileChunkType::CHEATS, [](OrcaStream::ChunkStream& cs) {
                DataSerialiser ds(cs.GetMode() == OrcaStream::Mode::WRITING, cs.GetStream());
                CheatsSerialise(ds);
            });
        }

        void ReadWriteClimateChunk(OrcaStream& os)
        {
            os.ReadWriteChunk(ParkFileChunkType::CLIMATE, [](OrcaStream::ChunkStream& cs) {
                cs.ReadWrite(gClimate);
                cs.ReadWrite(gClimateUpdateTimer);

                for (const auto* cl : { &gClimateCurrent, &gClimateNext })
                {
                    cs.ReadWrite(cl->Weather);
                    cs.ReadWrite(cl->Temperature);
                    cs.ReadWrite(cl->WeatherEffect);
                    cs.ReadWrite(cl->WeatherGloom);
                    cs.ReadWrite(cl->Level);
                }
            });
        }

        void ReadWriteParkChunk(OrcaStream& os)
        {
            os.ReadWriteChunk(ParkFileChunkType::PARK, [](OrcaStream::ChunkStream& cs) {
                auto& park = GetContext()->GetGameState()->GetPark();
                cs.ReadWrite(park.Name);
                cs.ReadWrite(gCash);
                cs.ReadWrite(gBankLoan);
                cs.ReadWrite(gMaxBankLoan);
                cs.ReadWriteAs<uint8_t, uint16_t>(gBankLoanInterestRate);
                cs.ReadWriteAs<uint32_t, uint64_t>(gParkFlags);
                cs.ReadWriteAs<money16, money32>(gParkEntranceFee);
                cs.ReadWrite(gStaffHandymanColour);
                cs.ReadWrite(gStaffMechanicColour);
                cs.ReadWrite(gStaffSecurityColour);
                cs.ReadWrite(gSamePriceThroughoutPark);

                // Marketing
                cs.ReadWriteVector(gMarketingCampaigns, [&cs](MarketingCampaign& campaign) {
                    cs.ReadWrite(campaign.Type);
                    cs.ReadWrite(campaign.WeeksLeft);
                    cs.ReadWrite(campaign.Flags);
                    cs.ReadWrite(campaign.RideId);
                });

                // Awards
                cs.ReadWriteArray(gCurrentAwards, [&cs](Award& award) {
                    if (award.Time != 0)
                    {
                        cs.ReadWrite(award.Time);
                        cs.ReadWrite(award.Type);
                        return true;
                    }
                    else
                    {
                        return false;
                    }
                });

                cs.ReadWrite(gParkRatingCasualtyPenalty);
                cs.ReadWrite(gCurrentExpenditure);
                cs.ReadWrite(gCurrentProfit);
                cs.ReadWrite(gTotalAdmissions);
                cs.ReadWrite(gTotalIncomeFromAdmissions);
            });
        }

        void ReadWriteResearchChunk(OrcaStream& os)
        {
            os.ReadWriteChunk(ParkFileChunkType::RESEARCH, [](OrcaStream::ChunkStream& cs) {
                // Research status
                cs.ReadWrite(gResearchFundingLevel);
                cs.ReadWrite(gResearchPriorities);
                cs.ReadWrite(gResearchProgressStage);
                cs.ReadWrite(gResearchProgress);
                cs.ReadWrite(gResearchExpectedMonth);
                cs.ReadWrite(gResearchExpectedDay);
                ReadWriteResearchItem(cs, gResearchLastItem);
                ReadWriteResearchItem(cs, gResearchNextItem);

                // Invention list
                cs.ReadWriteVector(gResearchItemsUninvented, [&cs](ResearchItem& item) { ReadWriteResearchItem(cs, item); });
                cs.ReadWriteVector(gResearchItemsInvented, [&cs](ResearchItem& item) { ReadWriteResearchItem(cs, item); });
            });
        }

        static void ReadWriteResearchItem(OrcaStream::ChunkStream& cs, std::optional<ResearchItem>& item)
        {
            if (cs.GetMode() == OrcaStream::Mode::READING)
            {
                auto hasValue = cs.Read<bool>();
                if (hasValue)
                {
                    ResearchItem placeholder;
                    ReadWriteResearchItem(cs, placeholder);
                    item = placeholder;
                }
            }
            else
            {
                if (item)
                {
                    cs.Write<bool>(true);
                    ReadWriteResearchItem(cs, *item);
                }
                else
                {
                    cs.Write<bool>(false);
                }
            }
        }

        static void ReadWriteResearchItem(OrcaStream::ChunkStream& cs, ResearchItem& item)
        {
            cs.ReadWrite(item.type);
            cs.ReadWrite(item.baseRideType);
            cs.ReadWrite(item.entryIndex);
            cs.ReadWrite(item.flags);
            cs.ReadWrite(item.category);
        }

        void ReadWriteNotificationsChunk(OrcaStream& os)
        {
            os.ReadWriteChunk(ParkFileChunkType::NOTIFICATIONS, [](OrcaStream::ChunkStream& cs) {
                if (cs.GetMode() == OrcaStream::Mode::READING)
                {
                    gNewsItems.Clear();

                    std::vector<News::Item> recent;
                    cs.ReadWriteVector(recent, [&cs](News::Item& item) { ReadWriteNewsItem(cs, item); });
                    for (size_t i = 0; i < std::min<size_t>(recent.size(), News::ItemHistoryStart); i++)
                    {
                        gNewsItems[i] = recent[i];
                    }

                    std::vector<News::Item> archived;
                    cs.ReadWriteVector(archived, [&cs](News::Item& item) { ReadWriteNewsItem(cs, item); });
                    size_t offset = News::ItemHistoryStart;
                    for (size_t i = 0; i < std::min<size_t>(archived.size(), News::MaxItemsArchive); i++)
                    {
                        gNewsItems[offset + i] = archived[i];
                    }
                }
                else
                {
                    std::vector<News::Item> recent(std::begin(gNewsItems.GetRecent()), std::end(gNewsItems.GetRecent()));
                    cs.ReadWriteVector(recent, [&cs](News::Item& item) { ReadWriteNewsItem(cs, item); });

                    std::vector<News::Item> archived(std::begin(gNewsItems.GetArchived()), std::end(gNewsItems.GetArchived()));
                    cs.ReadWriteVector(archived, [&cs](News::Item& item) { ReadWriteNewsItem(cs, item); });
                }
            });
        }

        static void ReadWriteNewsItem(OrcaStream::ChunkStream& cs, News::Item& item)
        {
            cs.ReadWrite(item.Type);
            cs.ReadWrite(item.Flags);
            cs.ReadWrite(item.Assoc);
            cs.ReadWrite(item.Ticks);
            cs.ReadWrite(item.MonthYear);
            cs.ReadWrite(item.Day);
            if (cs.GetMode() == OrcaStream::Mode::READING)
            {
                auto s = cs.Read<std::string>();
                item.Text = s;
            }
            else
            {
                cs.Write(std::string_view(item.Text));
            }
        }

        void ReadWriteDerivedChunk(OrcaStream& os)
        {
            if (os.GetMode() == OrcaStream::Mode::WRITING)
            {
                os.ReadWriteChunk(ParkFileChunkType::NOTIFICATIONS, [](OrcaStream::ChunkStream& cs) {
                    cs.Write<uint32_t>(gParkSize);
                    cs.Write<uint32_t>(gNumGuestsInPark);
                    cs.Write<uint32_t>(gNumGuestsHeadingForPark);
                    cs.Write<uint32_t>(gCompanyValue);
                    cs.Write<uint32_t>(gParkValue);
                    cs.Write<uint32_t>(gParkRating);
                });
            }
        }

        void ReadWriteTilesChunk(OrcaStream& os)
        {
            auto found = os.ReadWriteChunk(ParkFileChunkType::TILES, [](OrcaStream::ChunkStream& cs) {
                cs.ReadWriteAs<int16_t, uint32_t>(gMapSize); // x
                cs.Write<uint32_t>(gMapSize);                // y

                if (cs.GetMode() == OrcaStream::Mode::READING)
                {
                    OpenRCT2::GetContext()->GetGameState()->InitAll(gMapSize);
                }

                std::vector<TileElement> tiles(std::begin(gTileElements), std::end(gTileElements));
                cs.ReadWriteVector(tiles, [&cs](TileElement& el) { cs.ReadWrite(&el, sizeof(TileElement)); });
                std::copy_n(tiles.data(), std::min(tiles.size(), std::size(gTileElements)), gTileElements);

                map_update_tile_pointers();
                UpdateParkEntranceLocations();
            });
            if (!found)
            {
                throw std::runtime_error("No tiles chunk found.");
            }
        }

        void ReadWriteBannersChunk(OrcaStream& os)
        {
            os.ReadWriteChunk(ParkFileChunkType::BANNERS, [](OrcaStream::ChunkStream& cs) {
                std::vector<Banner> banners;
                if (cs.GetMode() == OrcaStream::Mode::WRITING)
                {
                    for (BannerIndex i = 0; i < MAX_BANNERS; i++)
                    {
                        banners.push_back(*GetBanner(i));
                    }
                }
                cs.ReadWriteVector(banners, [&cs](Banner& banner) {
                    cs.ReadWrite(banner.type);
                    cs.ReadWrite(banner.flags);
                    cs.ReadWrite(banner.text);
                    cs.ReadWrite(banner.colour);
                    cs.ReadWrite(banner.ride_index);
                    cs.ReadWrite(banner.text_colour);
                    cs.ReadWrite(banner.position);
                });
                if (cs.GetMode() == OrcaStream::Mode::READING)
                {
                    for (BannerIndex i = 0; i < MAX_BANNERS; i++)
                    {
                        auto banner = GetBanner(i);
                        *banner = banners[i];
                    }
                }
            });
        }

        void ReadWriteRidesChunk(OrcaStream& os)
        {
            os.ReadWriteChunk(ParkFileChunkType::RIDES, [](OrcaStream::ChunkStream& cs) {
                std::vector<ride_id_t> rideIds;
                if (cs.GetMode() == OrcaStream::Mode::READING)
                {
                    ride_init_all();
                }
                else
                {
                    for (const auto& ride : GetRideManager())
                    {
                        rideIds.push_back(ride.id);
                    }
                }
                cs.ReadWriteVector(rideIds, [&cs](ride_id_t& rideId) {
                    // Ride ID
                    cs.ReadWrite(rideId);

                    auto& ride = *GetOrAllocateRide(rideId);

                    // Status
                    cs.ReadWrite(ride.type);
                    cs.ReadWrite(ride.subtype);
                    cs.ReadWrite(ride.mode);
                    cs.ReadWrite(ride.status);
                    cs.ReadWrite(ride.depart_flags);
                    cs.ReadWrite(ride.lifecycle_flags);

                    // Meta
                    cs.ReadWrite(ride.custom_name);
                    cs.ReadWrite(ride.default_name_number);

                    cs.ReadWrite(ride.price[0]);
                    cs.ReadWrite(ride.price[1]);

                    // Colours
                    cs.ReadWrite(ride.entrance_style);
                    cs.ReadWrite(ride.colour_scheme_type);
                    cs.ReadWriteArray(ride.track_colour, [&cs](TrackColour& tc) {
                        cs.ReadWrite(tc.main);
                        cs.ReadWrite(tc.additional);
                        cs.ReadWrite(tc.supports);
                        return true;
                    });

                    cs.ReadWriteArray(ride.vehicle_colours, [&cs](VehicleColour& vc) {
                        cs.ReadWrite(vc);
                        return true;
                    });

                    // Stations
                    cs.ReadWrite(ride.num_stations);
                    cs.ReadWriteArray(ride.stations, [&cs](RideStation& station) {
                        cs.ReadWrite(station.Start);
                        cs.ReadWrite(station.Height);
                        cs.ReadWrite(station.Length);
                        cs.ReadWrite(station.Depart);
                        cs.ReadWrite(station.TrainAtStation);
                        cs.ReadWrite(station.Entrance);
                        cs.ReadWrite(station.Exit);
                        cs.ReadWrite(station.SegmentLength);
                        cs.ReadWrite(station.SegmentTime);
                        cs.ReadWrite(station.QueueTime);
                        cs.ReadWrite(station.QueueLength);
                        cs.ReadWrite(station.LastPeepInQueue);
                        return true;
                    });

                    cs.ReadWrite(ride.overall_view);

                    // Vehicles
                    cs.ReadWrite(ride.num_vehicles);
                    cs.ReadWrite(ride.num_cars_per_train);
                    cs.ReadWrite(ride.proposed_num_vehicles);
                    cs.ReadWrite(ride.proposed_num_cars_per_train);
                    cs.ReadWrite(ride.max_trains);
                    cs.ReadWrite(ride.min_max_cars_per_train);
                    cs.ReadWrite(ride.min_waiting_time);
                    cs.ReadWrite(ride.max_waiting_time);
                    cs.ReadWriteArray(ride.vehicles, [&cs](uint16_t& v) {
                        cs.ReadWrite(v);
                        return true;
                    });

                    // Operation
                    cs.ReadWrite(ride.operation_option);
                    cs.ReadWrite(ride.lift_hill_speed);
                    cs.ReadWrite(ride.num_circuits);

                    // Special
                    cs.ReadWrite(ride.boat_hire_return_direction);
                    cs.ReadWrite(ride.boat_hire_return_position);
                    cs.ReadWrite(ride.ChairliftBullwheelLocation[0]);
                    cs.ReadWrite(ride.ChairliftBullwheelLocation[1]);
                    cs.ReadWrite(ride.chairlift_bullwheel_rotation);
                    cs.ReadWrite(ride.slide_in_use);
                    cs.ReadWrite(ride.slide_peep);
                    cs.ReadWrite(ride.slide_peep_t_shirt_colour);
                    cs.ReadWrite(ride.spiral_slide_progress);
                    cs.ReadWrite(ride.race_winner);
                    cs.ReadWrite(ride.cable_lift);
                    cs.ReadWrite(ride.CableLiftLoc);

                    // Stats
                    if (cs.GetMode() == OrcaStream::Mode::READING)
                    {
                        auto hasMeasurement = cs.Read<uint8_t>();
                        if (hasMeasurement != 0)
                        {
                            ride.measurement = std::make_unique<RideMeasurement>();
                            ReadWriteRideMeasurement(cs, *ride.measurement);
                        }
                    }
                    else
                    {
                        if (ride.measurement == nullptr)
                        {
                            cs.Write<uint8_t>(0);
                        }
                        else
                        {
                            cs.Write<uint8_t>(1);
                            ReadWriteRideMeasurement(cs, *ride.measurement);
                        }
                    }

                    cs.ReadWrite(ride.special_track_elements);
                    cs.ReadWrite(ride.max_speed);
                    cs.ReadWrite(ride.average_speed);
                    cs.ReadWrite(ride.current_test_segment);
                    cs.ReadWrite(ride.average_speed_test_timeout);

                    cs.ReadWrite(ride.max_positive_vertical_g);
                    cs.ReadWrite(ride.max_negative_vertical_g);
                    cs.ReadWrite(ride.max_lateral_g);
                    cs.ReadWrite(ride.previous_vertical_g);
                    cs.ReadWrite(ride.previous_lateral_g);

                    cs.ReadWrite(ride.testing_flags);
                    cs.ReadWrite(ride.CurTestTrackLocation);

                    cs.ReadWrite(ride.turn_count_default);
                    cs.ReadWrite(ride.turn_count_banked);
                    cs.ReadWrite(ride.turn_count_sloped);

                    cs.ReadWrite(ride.inversions);
                    cs.ReadWrite(ride.drops);
                    cs.ReadWrite(ride.start_drop_height);
                    cs.ReadWrite(ride.highest_drop_height);
                    cs.ReadWrite(ride.sheltered_length);
                    cs.ReadWrite(ride.var_11C);
                    cs.ReadWrite(ride.num_sheltered_sections);
                    cs.ReadWrite(ride.current_test_station);
                    cs.ReadWrite(ride.num_block_brakes);
                    cs.ReadWrite(ride.total_air_time);

                    cs.ReadWrite(ride.excitement);
                    cs.ReadWrite(ride.intensity);
                    cs.ReadWrite(ride.nausea);

                    cs.ReadWrite(ride.value);

                    cs.ReadWrite(ride.num_riders);
                    cs.ReadWrite(ride.build_date);
                    cs.ReadWrite(ride.upkeep_cost);

                    cs.ReadWrite(ride.cur_num_customers);
                    cs.ReadWrite(ride.num_customers_timeout);
                    cs.ReadWrite(ride.num_customers);
                    cs.ReadWrite(ride.total_customers);
                    cs.ReadWrite(ride.total_profit);
                    cs.ReadWrite(ride.popularity);
                    cs.ReadWrite(ride.popularity_time_out);
                    cs.ReadWrite(ride.popularity_next);
                    cs.ReadWrite(ride.guests_favourite);
                    cs.ReadWrite(ride.no_primary_items_sold);
                    cs.ReadWrite(ride.no_secondary_items_sold);
                    cs.ReadWrite(ride.income_per_hour);
                    cs.ReadWrite(ride.profit);
                    cs.ReadWrite(ride.satisfaction);
                    cs.ReadWrite(ride.satisfaction_time_out);
                    cs.ReadWrite(ride.satisfaction_next);

                    // Breakdown
                    cs.ReadWrite(ride.breakdown_reason_pending);
                    cs.ReadWrite(ride.mechanic_status);
                    cs.ReadWrite(ride.mechanic);
                    cs.ReadWrite(ride.inspection_station);
                    cs.ReadWrite(ride.broken_vehicle);
                    cs.ReadWrite(ride.broken_car);
                    cs.ReadWrite(ride.breakdown_reason);
                    cs.ReadWrite(ride.reliability_subvalue);
                    cs.ReadWrite(ride.reliability_percentage);
                    cs.ReadWrite(ride.unreliability_factor);
                    cs.ReadWrite(ride.downtime);
                    cs.ReadWrite(ride.inspection_interval);
                    cs.ReadWrite(ride.last_inspection);
                    cs.ReadWrite(ride.downtime_history);
                    cs.ReadWrite(ride.breakdown_sound_modifier);
                    cs.ReadWrite(ride.not_fixed_timeout);
                    cs.ReadWrite(ride.last_crash_type);
                    cs.ReadWrite(ride.connected_message_throttle);

                    cs.ReadWrite(ride.vehicle_change_timeout);

                    cs.ReadWrite(ride.current_issues);
                    cs.ReadWrite(ride.last_issue_time);

                    // Music
                    cs.ReadWrite(ride.music);
                    cs.ReadWrite(ride.music_tune_id);
                    cs.ReadWrite(ride.music_position);
                    return true;
                });
            });
        }

        static void ReadWriteRideMeasurement(OrcaStream::ChunkStream& cs, RideMeasurement& measurement)
        {
            cs.ReadWrite(measurement.flags);
            cs.ReadWrite(measurement.last_use_tick);
            cs.ReadWrite(measurement.num_items);
            cs.ReadWrite(measurement.current_item);
            cs.ReadWrite(measurement.vehicle_index);
            cs.ReadWrite(measurement.current_station);
            for (size_t i = 0; i < measurement.num_items; i++)
            {
                cs.ReadWrite(measurement.vertical[i]);
                cs.ReadWrite(measurement.lateral[i]);
                cs.ReadWrite(measurement.velocity[i]);
                cs.ReadWrite(measurement.altitude[i]);
            }
        }

        template<typename T> static void ReadWriteEntity(OrcaStream::ChunkStream& cs, T& entity);

        static void ReadWriteEntityCommon(OrcaStream::ChunkStream& cs, SpriteBase& entity)
        {
            cs.ReadWrite(entity.sprite_index);
            cs.ReadWrite(entity.sprite_height_negative);
            cs.ReadWrite(entity.flags);
            cs.ReadWrite(entity.x);
            cs.ReadWrite(entity.y);
            cs.ReadWrite(entity.z);
            cs.ReadWrite(entity.sprite_width);
            cs.ReadWrite(entity.sprite_height_positive);
            cs.ReadWrite(entity.sprite_direction);
        }

        static void ReadWritePeep(OrcaStream::ChunkStream& cs, Peep& entity)
        {
            ReadWriteEntityCommon(cs, entity);
            cs.ReadWrite(entity.Name);
            cs.ReadWrite(entity.NextLoc);
            cs.ReadWrite(entity.NextFlags);
            cs.ReadWrite(entity.OutsideOfPark);
            cs.ReadWrite(entity.State);
            cs.ReadWrite(entity.SubState);
            cs.ReadWrite(entity.SpriteType);
            cs.ReadWrite(entity.GuestNumRides);
            cs.ReadWrite(entity.TshirtColour);
            cs.ReadWrite(entity.TrousersColour);
            cs.ReadWrite(entity.DestinationX);
            cs.ReadWrite(entity.DestinationY);
            cs.ReadWrite(entity.DestinationTolerance);
            cs.ReadWrite(entity.Var37);
            cs.ReadWrite(entity.Energy);
            cs.ReadWrite(entity.EnergyTarget);
            cs.ReadWrite(entity.Happiness);
            cs.ReadWrite(entity.HappinessTarget);
            cs.ReadWrite(entity.Nausea);
            cs.ReadWrite(entity.NauseaTarget);
            cs.ReadWrite(entity.Hunger);
            cs.ReadWrite(entity.Thirst);
            cs.ReadWrite(entity.Toilet);
            cs.ReadWrite(entity.Mass);
            cs.ReadWrite(entity.TimeToConsume);
            cs.ReadWrite(entity.Intensity);
            cs.ReadWrite(entity.NauseaTolerance);
            cs.ReadWrite(entity.WindowInvalidateFlags);
            cs.ReadWrite(entity.PaidOnDrink);
            cs.ReadWriteArray(entity.RideTypesBeenOn, [&cs](uint8_t& rideType) {
                cs.ReadWrite(rideType);
                return true;
            });
            cs.ReadWrite(entity.ItemFlags);
            cs.ReadWrite(entity.Photo2RideRef);
            cs.ReadWrite(entity.Photo3RideRef);
            cs.ReadWrite(entity.Photo4RideRef);
            cs.ReadWrite(entity.CurrentRide);
            cs.ReadWrite(entity.CurrentRideStation);
            cs.ReadWrite(entity.CurrentTrain);
            cs.ReadWrite(entity.TimeToSitdown);
            cs.ReadWrite(entity.SpecialSprite);
            cs.ReadWrite(entity.ActionSpriteType);
            cs.ReadWrite(entity.NextActionSpriteType);
            cs.ReadWrite(entity.ActionSpriteImageOffset);
            cs.ReadWrite(entity.Action);
            cs.ReadWrite(entity.ActionFrame);
            cs.ReadWrite(entity.StepProgress);
            cs.ReadWrite(entity.GuestNextInQueue);
            cs.ReadWrite(entity.PeepDirection);
            cs.ReadWrite(entity.InteractionRideIndex);
            cs.ReadWrite(entity.TimeInQueue);
            cs.ReadWriteArray(entity.RidesBeenOn, [&cs](ride_id_t rideId) {
                cs.ReadWrite(rideId);
                return true;
            });
            cs.ReadWrite(entity.Id);
            cs.ReadWrite(entity.CashInPocket);
            cs.ReadWrite(entity.CashSpent);
            // Includes HireDate
            cs.ReadWrite(entity.ParkEntryTime);
            cs.ReadWrite(entity.RejoinQueueTimeout);
            cs.ReadWrite(entity.PreviousRide);
            cs.ReadWrite(entity.PreviousRideTimeOut);
            cs.ReadWriteArray(entity.Thoughts, [&cs](rct_peep_thought thought) {
                if (thought.type != PeepThoughtType::None)
                {
                    cs.ReadWrite(thought.type);
                    cs.ReadWrite(thought.item);
                    cs.ReadWrite(thought.freshness);
                    cs.ReadWrite(thought.fresh_timeout);
                    return true;
                }
                else
                {
                    return false;
                }
            });
            cs.ReadWrite(entity.PathCheckOptimisation);
            cs.ReadWrite(entity.GuestHeadingToRideId);
            cs.ReadWrite(entity.GuestIsLostCountdown);
            cs.ReadWrite(entity.Photo1RideRef);
            cs.ReadWrite(entity.PeepFlags);
            cs.ReadWrite(entity.PathfindGoal);
            for (size_t i = 0; i < std::size(entity.PathfindHistory); i++)
            {
                cs.ReadWrite(entity.PathfindHistory[i]);
            }
            cs.ReadWrite(entity.WalkingFrameNum);
            cs.ReadWrite(entity.LitterCount);
            cs.ReadWrite(entity.GuestTimeOnRide);
            cs.ReadWrite(entity.DisgustingCount);
            cs.ReadWrite(entity.PaidToEnter);
            cs.ReadWrite(entity.PaidOnRides);
            cs.ReadWrite(entity.PaidOnFood);
            cs.ReadWrite(entity.PaidOnSouvenirs);
            cs.ReadWrite(entity.AmountOfFood);
            cs.ReadWrite(entity.AmountOfDrinks);
            cs.ReadWrite(entity.AmountOfSouvenirs);
            cs.ReadWrite(entity.VandalismSeen);
            cs.ReadWrite(entity.VoucherType);
            cs.ReadWrite(entity.VoucherRideId);
            cs.ReadWrite(entity.SurroundingsThoughtTimeout);
            cs.ReadWrite(entity.Angriness);
            cs.ReadWrite(entity.TimeLost);
            cs.ReadWrite(entity.DaysInQueue);
            cs.ReadWrite(entity.BalloonColour);
            cs.ReadWrite(entity.UmbrellaColour);
            cs.ReadWrite(entity.HatColour);
            cs.ReadWrite(entity.FavouriteRide);
            cs.ReadWrite(entity.FavouriteRideRating);
        }

        template<typename T> void WriteEntitiesOfType(OrcaStream::ChunkStream& cs);
        template<typename... T> void WriteEntitiesOfTypes(OrcaStream::ChunkStream& cs);

        template<typename T> void ReadEntitiesOfType(OrcaStream::ChunkStream& cs);

        template<typename... T> void ReadEntitiesOfTypes(OrcaStream::ChunkStream& cs);

        void ReadWriteEntitiesChunk(OrcaStream& os);

        void AutoDeriveVariables()
        {
            uint16_t numGuestsInPark = 0;
            uint16_t numGuestsHeadingsForPark = 0;
            for (auto guest : EntityList<Guest>())
            {
                if (guest->State == PeepState::EnteringPark)
                {
                    numGuestsHeadingsForPark++;
                }
                if (!guest->OutsideOfPark)
                {
                    numGuestsInPark++;
                }
            }

            gNumGuestsInPark = numGuestsInPark;
            gNumGuestsHeadingForPark = numGuestsHeadingsForPark;

            auto& park = GetContext()->GetGameState()->GetPark();
            gParkSize = park.CalculateParkSize();
            gParkValue = park.CalculateParkValue();
            gCompanyValue = park.CalculateCompanyValue();
            gParkRating = park.CalculateParkRating();
        }

        static void ReadWriteStringTable(OrcaStream::ChunkStream& cs, std::string& value, const std::string_view& lcode)
        {
            std::vector<std::tuple<std::string, std::string>> table;
            if (cs.GetMode() != OrcaStream::Mode::READING)
            {
                table.push_back(std::make_tuple(std::string(lcode), value));
            }
            cs.ReadWriteVector(table, [&cs](std::tuple<std::string, std::string>& v) {
                cs.ReadWrite(std::get<0>(v));
                cs.ReadWrite(std::get<1>(v));
            });
            if (cs.GetMode() == OrcaStream::Mode::READING)
            {
                auto fr = std::find_if(table.begin(), table.end(), [&lcode](const std::tuple<std::string, std::string>& v) {
                    return std::get<0>(v) == lcode;
                });
                if (fr != table.end())
                {
                    value = std::get<1>(*fr);
                }
                else if (table.size() > 0)
                {
                    value = std::get<1>(table[0]);
                }
                else
                {
                    value = "";
                }
            }
        }
    };

    template<> void ParkFile::ReadWriteEntity(OrcaStream::ChunkStream& cs, Vehicle& entity)
    {
        ReadWriteEntityCommon(cs, entity);
        cs.ReadWrite(entity.SubType);
        cs.ReadWrite(entity.vehicle_sprite_type);
        cs.ReadWrite(entity.bank_rotation);
        cs.ReadWrite(entity.remaining_distance);
        cs.ReadWrite(entity.velocity);
        cs.ReadWrite(entity.acceleration);
        cs.ReadWrite(entity.ride);
        cs.ReadWrite(entity.vehicle_type);
        cs.ReadWrite(entity.colours);
        cs.ReadWrite(entity.track_progress);
        cs.ReadWrite(entity.BoatLocation);
        cs.ReadWrite(entity.TrackTypeAndDirection);
        cs.ReadWrite(entity.TrackLocation.x);
        cs.ReadWrite(entity.TrackLocation.y);
        cs.ReadWrite(entity.TrackLocation.z);
        cs.ReadWrite(entity.next_vehicle_on_train);
        cs.ReadWrite(entity.prev_vehicle_on_ride);
        cs.ReadWrite(entity.next_vehicle_on_ride);
        cs.ReadWrite(entity.var_44);
        cs.ReadWrite(entity.mass);
        cs.ReadWrite(entity.update_flags);
        cs.ReadWrite(entity.SwingSprite);
        cs.ReadWrite(entity.current_station);
        cs.ReadWrite(entity.current_time);
        cs.ReadWrite(entity.crash_z);
        cs.ReadWrite(entity.status);
        cs.ReadWrite(entity.sub_state);
        for (size_t i = 0; i < std::size(entity.peep); i++)
        {
            cs.ReadWrite(entity.peep[i]);
            cs.ReadWrite(entity.peep_tshirt_colours[i]);
        }
        cs.ReadWrite(entity.num_seats);
        cs.ReadWrite(entity.num_peeps);
        cs.ReadWrite(entity.next_free_seat);
        cs.ReadWrite(entity.restraints_position);
        cs.ReadWrite(entity.crash_x);
        cs.ReadWrite(entity.sound2_flags);
        cs.ReadWrite(entity.spin_sprite);
        cs.ReadWrite(entity.sound1_id);
        cs.ReadWrite(entity.sound1_volume);
        cs.ReadWrite(entity.sound2_id);
        cs.ReadWrite(entity.sound2_volume);
        cs.ReadWrite(entity.sound_vector_factor);
        cs.ReadWrite(entity.time_waiting);
        cs.ReadWrite(entity.speed);
        cs.ReadWrite(entity.powered_acceleration);
        cs.ReadWrite(entity.dodgems_collision_direction);
        cs.ReadWrite(entity.animation_frame);
        cs.ReadWrite(entity.var_C8);
        cs.ReadWrite(entity.var_CA);
        cs.ReadWrite(entity.scream_sound_id);
        cs.ReadWrite(entity.TrackSubposition);
        cs.ReadWrite(entity.var_CE);
        cs.ReadWrite(entity.var_CF);
        cs.ReadWrite(entity.lost_time_out);
        cs.ReadWrite(entity.vertical_drop_countdown);
        cs.ReadWrite(entity.var_D3);
        cs.ReadWrite(entity.mini_golf_current_animation);
        cs.ReadWrite(entity.mini_golf_flags);
        cs.ReadWrite(entity.ride_subtype);
        cs.ReadWrite(entity.colours_extended);
        cs.ReadWrite(entity.seat_rotation);
        cs.ReadWrite(entity.target_seat_rotation);
    }

    template<> void ParkFile::ReadWriteEntity(OrcaStream::ChunkStream& cs, Guest& entity)
    {
        ReadWritePeep(cs, entity);
    }
    template<> void ParkFile::ReadWriteEntity(OrcaStream::ChunkStream& cs, Staff& entity)
    {
        ReadWritePeep(cs, entity);
    }

    template<> void ParkFile::ReadWriteEntity(OrcaStream::ChunkStream& cs, SteamParticle& steamParticle)
    {
        ReadWriteEntityCommon(cs, steamParticle);
        cs.ReadWrite(steamParticle.time_to_move);
        cs.ReadWrite(steamParticle.frame);
    }
    template<> void ParkFile::ReadWriteEntity(OrcaStream::ChunkStream& cs, MoneyEffect& moneyEffect)
    {
        ReadWriteEntityCommon(cs, moneyEffect);
        cs.ReadWrite(moneyEffect.MoveDelay);
        cs.ReadWrite(moneyEffect.NumMovements);
        cs.ReadWrite(moneyEffect.Vertical);
        cs.ReadWrite(moneyEffect.Value);
        cs.ReadWrite(moneyEffect.OffsetX);
        cs.ReadWrite(moneyEffect.Wiggle);
    }
    template<> void ParkFile::ReadWriteEntity(OrcaStream::ChunkStream& cs, VehicleCrashParticle& vehicleCrashParticle)
    {
        ReadWriteEntityCommon(cs, vehicleCrashParticle);
        cs.ReadWrite(vehicleCrashParticle.frame);
        cs.ReadWrite(vehicleCrashParticle.time_to_live);
        cs.ReadWrite(vehicleCrashParticle.frame);
        cs.ReadWrite(vehicleCrashParticle.colour[0]);
        cs.ReadWrite(vehicleCrashParticle.colour[1]);
        cs.ReadWrite(vehicleCrashParticle.crashed_sprite_base);
        cs.ReadWrite(vehicleCrashParticle.velocity_x);
        cs.ReadWrite(vehicleCrashParticle.velocity_y);
        cs.ReadWrite(vehicleCrashParticle.velocity_z);
        cs.ReadWrite(vehicleCrashParticle.acceleration_x);
        cs.ReadWrite(vehicleCrashParticle.acceleration_y);
        cs.ReadWrite(vehicleCrashParticle.acceleration_z);
    }
    template<> void ParkFile::ReadWriteEntity(OrcaStream::ChunkStream& cs, ExplosionCloud& entity)
    {
        ReadWriteEntityCommon(cs, entity);
        cs.ReadWrite(entity.frame);
    }
    template<> void ParkFile::ReadWriteEntity(OrcaStream::ChunkStream& cs, CrashSplashParticle& entity)
    {
        ReadWriteEntityCommon(cs, entity);
        cs.ReadWrite(entity.frame);
    }
    template<> void ParkFile::ReadWriteEntity(OrcaStream::ChunkStream& cs, ExplosionFlare& entity)
    {
        ReadWriteEntityCommon(cs, entity);
        cs.ReadWrite(entity.frame);
    }
    template<> void ParkFile::ReadWriteEntity(OrcaStream::ChunkStream& cs, JumpingFountain& fountain)
    {
        ReadWriteEntityCommon(cs, fountain);
        cs.ReadWrite(fountain.NumTicksAlive);
        cs.ReadWrite(fountain.frame);
        cs.ReadWrite(fountain.FountainFlags);
        cs.ReadWrite(fountain.TargetX);
        cs.ReadWrite(fountain.TargetY);
        cs.ReadWrite(fountain.TargetY);
        cs.ReadWrite(fountain.Iteration);
    }
    template<> void ParkFile::ReadWriteEntity(OrcaStream::ChunkStream& cs, Balloon& balloon)
    {
        ReadWriteEntityCommon(cs, balloon);
        cs.ReadWrite(balloon.popped);
        cs.ReadWrite(balloon.time_to_move);
        cs.ReadWrite(balloon.frame);
        cs.ReadWrite(balloon.colour);
    }
    template<> void ParkFile::ReadWriteEntity(OrcaStream::ChunkStream& cs, Duck& duck)
    {
        ReadWriteEntityCommon(cs, duck);
        cs.ReadWrite(duck.frame);
        cs.ReadWrite(duck.target_x);
        cs.ReadWrite(duck.target_y);
        cs.ReadWrite(duck.state);
    }

    template<> void ParkFile::ReadWriteEntity(OrcaStream::ChunkStream& cs, Litter& entity)
    {
        ReadWriteEntityCommon(cs, entity);
        cs.ReadWrite(entity.SubType);
        cs.ReadWrite(entity.creationTick);
    }
    template<typename T> void ParkFile::WriteEntitiesOfType(OrcaStream::ChunkStream& cs)
    {
        uint16_t count = GetEntityListCount(T::cEntityType);
        cs.Write(T::cEntityType);
        cs.Write(count);
        for (auto* ent : EntityList<T>())
        {
            cs.Write(ent->sprite_index);
            ReadWriteEntity(cs, *ent);
        }
    }

    template<typename... T> void ParkFile::WriteEntitiesOfTypes(OrcaStream::ChunkStream& cs)
    {
        (WriteEntitiesOfType<T>(cs), ...);
    }

    template<typename T> void ParkFile::ReadEntitiesOfType(OrcaStream::ChunkStream& cs)
    {
        [[maybe_unused]] auto t = cs.Read<EntityType>();
        assert(t == T::cEntityType);
        auto count = cs.Read<uint16_t>();
        for (auto i = 0; i < count; ++i)
        {
            T placeholder{};

            auto index = cs.Read<uint16_t>();
            auto* ent = CreateEntityAt<T>(index);
            if (ent == nullptr)
            {
                // Unable to allocate entity
                ent = &placeholder;
            }
            ReadWriteEntity(cs, *ent);
        }
    }

    template<typename... T> void ParkFile::ReadEntitiesOfTypes(OrcaStream::ChunkStream& cs)
    {
        (ReadEntitiesOfType<T>(cs), ...);
    }

    void ParkFile::ReadWriteEntitiesChunk(OrcaStream& os)
    {
        os.ReadWriteChunk(ParkFileChunkType::ENTITIES, [this](OrcaStream::ChunkStream& cs) {
            if (cs.GetMode() == OrcaStream::Mode::READING)
            {
                reset_sprite_list();
            }

            std::vector<uint16_t> entityIndices;
            if (cs.GetMode() == OrcaStream::Mode::READING)
            {
                ReadEntitiesOfTypes<
                    Vehicle, Guest, Staff, Litter, SteamParticle, MoneyEffect, VehicleCrashParticle, ExplosionCloud,
                    CrashSplashParticle, ExplosionFlare, JumpingFountain, Balloon, Duck>(cs);
            }
            else
            {
                WriteEntitiesOfTypes<
                    Vehicle, Guest, Staff, Litter, SteamParticle, MoneyEffect, VehicleCrashParticle, ExplosionCloud,
                    CrashSplashParticle, ExplosionFlare, JumpingFountain, Balloon, Duck>(cs);
            }
        });
    }
} // namespace OpenRCT2

void ParkFileExporter::Export(std::string_view path)
{
    map_reorganise_elements();

    auto parkFile = std::make_unique<OpenRCT2::ParkFile>();
    parkFile->Save(path);
}

enum : uint32_t
{
    S6_SAVE_FLAG_EXPORT = 1 << 0,
    S6_SAVE_FLAG_SCENARIO = 1 << 1,
    S6_SAVE_FLAG_AUTOMATIC = 1u << 31,
};

int32_t scenario_save(const utf8* path, int32_t flags)
{
    if (flags & S6_SAVE_FLAG_SCENARIO)
    {
        log_verbose("saving scenario");
    }
    else
    {
        log_verbose("saving game");
    }

    if (!(flags & S6_SAVE_FLAG_AUTOMATIC))
    {
        window_close_construction_windows();
    }

    map_reorganise_elements();
    viewport_set_saved_view();

    bool result = false;
    auto parkFile = std::make_unique<OpenRCT2::ParkFile>();
    try
    {
        // if (flags & S6_SAVE_FLAG_EXPORT)
        // {
        //     auto& objManager = OpenRCT2::GetContext()->GetObjectManager();
        //     s6exporter->ExportObjectsList = objManager.GetPackableObjects();
        // }
        // s6exporter->RemoveTracklessRides = true;
        // s6exporter->Export();
        if (flags & S6_SAVE_FLAG_SCENARIO)
        {
            // s6exporter->SaveScenario(path);
        }
        else
        {
            // s6exporter->SaveGame(path);
        }
        parkFile->Save(path);
        result = true;
    }
    catch (const std::exception&)
    {
    }

    gfx_invalidate_screen();

    if (result && !(flags & S6_SAVE_FLAG_AUTOMATIC))
    {
        gScreenAge = 0;
    }
    return result;
}

class ParkFileImporter : public IParkImporter
{
private:
#ifdef __clang__
    [[maybe_unused]]
#endif
    const IObjectRepository& _objectRepository;
    std::unique_ptr<OpenRCT2::ParkFile> _parkFile;

public:
    ParkFileImporter(IObjectRepository& objectRepository)
        : _objectRepository(objectRepository)
    {
    }

    ParkLoadResult Load(const utf8* path) override
    {
        _parkFile = std::make_unique<OpenRCT2::ParkFile>();
        _parkFile->Load(path);
        return ParkLoadResult(std::move(_parkFile->RequiredObjects));
    }

    ParkLoadResult LoadSavedGame(const utf8* path, bool skipObjectCheck = false) override
    {
        return Load(path);
    }

    ParkLoadResult LoadScenario(const utf8* path, bool skipObjectCheck = false) override
    {
        return Load(path);
    }

    ParkLoadResult LoadFromStream(
        OpenRCT2::IStream* stream, bool isScenario, bool skipObjectCheck = false, const utf8* path = String::Empty) override
    {
        return Load(path);
    }

    void Import() override
    {
        _parkFile->Import();
    }

    bool GetDetails(scenario_index_entry* dst) override
    {
        return false;
    }
};

std::unique_ptr<IParkImporter> ParkImporter::CreateParkFile(IObjectRepository& objectRepository)
{
    return std::make_unique<ParkFileImporter>(objectRepository);
}