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Files
OpenRCT2/src/rct2/S6Exporter.cpp
2016-08-14 14:47:53 +01:00

560 lines
20 KiB
C++

#pragma region Copyright (c) 2014-2016 OpenRCT2 Developers
/*****************************************************************************
* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
*
* OpenRCT2 is the work of many authors, a full list can be found in contributors.md
* For more information, visit https://github.com/OpenRCT2/OpenRCT2
*
* OpenRCT2 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, either version 3 of the License, or
* (at your option) any later version.
*
* A full copy of the GNU General Public License can be found in licence.txt
*****************************************************************************/
#pragma endregion
#include "../core/Exception.hpp"
#include "../core/IStream.hpp"
#include "../core/String.hpp"
#include "S6Exporter.h"
extern "C"
{
#include "../config.h"
#include "../game.h"
#include "../interface/viewport.h"
#include "../interface/window.h"
#include "../localisation/date.h"
#include "../localisation/localisation.h"
#include "../management/finance.h"
#include "../management/marketing.h"
#include "../management/news_item.h"
#include "../management/research.h"
#include "../object.h"
#include "../openrct2.h"
#include "../peep/staff.h"
#include "../ride/ride.h"
#include "../ride/ride_ratings.h"
#include "../scenario.h"
#include "../util/sawyercoding.h"
#include "../world/climate.h"
#include "../world/map_animation.h"
#include "../world/park.h"
}
S6Exporter::S6Exporter()
{
ExportObjects = false;
RemoveTracklessRides = false;
memset(&_s6, 0, sizeof(_s6));
}
void S6Exporter::SaveGame(const utf8 * path)
{
SDL_RWops * rw = SDL_RWFromFile(path, "rb");
if (rw == nullptr)
{
throw IOException("Unable to write to destination file.");
}
SaveGame(rw);
SDL_RWclose(rw);
}
void S6Exporter::SaveGame(SDL_RWops *rw)
{
Save(rw, false);
}
void S6Exporter::SaveScenario(const utf8 * path)
{
SDL_RWops * rw = SDL_RWFromFile(path, "rb");
if (rw == nullptr)
{
throw IOException("Unable to write to destination file.");
}
SaveGame(rw);
SDL_RWclose(rw);
}
void S6Exporter::SaveScenario(SDL_RWops *rw)
{
Save(rw, true);
}
void S6Exporter::Save(SDL_RWops * rw, bool isScenario)
{
_s6.header.type = isScenario ? S6_TYPE_SCENARIO : S6_TYPE_SAVEDGAME;
_s6.header.num_packed_objects = ExportObjects ? scenario_get_num_packed_objects_to_write() : 0;
_s6.header.version = S6_RCT2_VERSION;
_s6.header.magic_number = S6_MAGIC_NUMBER;
_s6.game_version_number = 201028;
uint8 * buffer = (uint8 *)malloc(0x600000);
if (buffer == NULL)
{
log_error("Unable to allocate enough space for a write buffer.");
throw Exception("Unable to allocate memory.");
}
sawyercoding_chunk_header chunkHeader;
int encodedLength;
// 0: Write header chunk
chunkHeader.encoding = CHUNK_ENCODING_ROTATE;
chunkHeader.length = sizeof(rct_s6_header);
encodedLength = sawyercoding_write_chunk_buffer(buffer, (uint8*)&_s6.header, chunkHeader);
SDL_RWwrite(rw, buffer, encodedLength, 1);
// 1: Write scenario info chunk
if (_s6.header.type == S6_TYPE_SCENARIO)
{
chunkHeader.encoding = CHUNK_ENCODING_ROTATE;
chunkHeader.length = sizeof(rct_s6_info);
encodedLength = sawyercoding_write_chunk_buffer(buffer, (uint8*)&_s6.info, chunkHeader);
SDL_RWwrite(rw, buffer, encodedLength, 1);
}
// 2: Write packed objects
if (_s6.header.num_packed_objects > 0)
{
if (!scenario_write_packed_objects(rw))
{
free(buffer);
throw Exception("Unable to pack objects.");
}
}
// 3: Write available objects chunk
chunkHeader.encoding = CHUNK_ENCODING_ROTATE;
chunkHeader.length = OBJECT_ENTRY_COUNT * sizeof(rct_object_entry);
encodedLength = sawyercoding_write_chunk_buffer(buffer, (uint8*)_s6.objects, chunkHeader);
SDL_RWwrite(rw, buffer, encodedLength, 1);
// 4: Misc fields (data, rand...) chunk
chunkHeader.encoding = CHUNK_ENCODING_RLECOMPRESSED;
chunkHeader.length = 16;
encodedLength = sawyercoding_write_chunk_buffer(buffer, (uint8*)&_s6.elapsed_months, chunkHeader);
SDL_RWwrite(rw, buffer, encodedLength, 1);
// 5: Map elements + sprites and other fields chunk
chunkHeader.encoding = CHUNK_ENCODING_RLECOMPRESSED;
chunkHeader.length = 0x180000;
encodedLength = sawyercoding_write_chunk_buffer(buffer, (uint8*)_s6.map_elements, chunkHeader);
SDL_RWwrite(rw, buffer, encodedLength, 1);
if (_s6.header.type == S6_TYPE_SCENARIO)
{
// 6:
chunkHeader.encoding = CHUNK_ENCODING_RLECOMPRESSED;
chunkHeader.length = 0x27104C;
encodedLength = sawyercoding_write_chunk_buffer(buffer, (uint8*)&_s6.dword_010E63B8, chunkHeader);
SDL_RWwrite(rw, buffer, encodedLength, 1);
// 7:
chunkHeader.encoding = CHUNK_ENCODING_RLECOMPRESSED;
chunkHeader.length = 4;
encodedLength = sawyercoding_write_chunk_buffer(buffer, (uint8*)&_s6.guests_in_park, chunkHeader);
SDL_RWwrite(rw, buffer, encodedLength, 1);
// 8:
chunkHeader.encoding = CHUNK_ENCODING_RLECOMPRESSED;
chunkHeader.length = 8;
encodedLength = sawyercoding_write_chunk_buffer(buffer, (uint8*)&_s6.last_guests_in_park, chunkHeader);
SDL_RWwrite(rw, buffer, encodedLength, 1);
// 9:
chunkHeader.encoding = CHUNK_ENCODING_RLECOMPRESSED;
chunkHeader.length = 2;
encodedLength = sawyercoding_write_chunk_buffer(buffer, (uint8*)&_s6.park_rating, chunkHeader);
SDL_RWwrite(rw, buffer, encodedLength, 1);
// 10:
chunkHeader.encoding = CHUNK_ENCODING_RLECOMPRESSED;
chunkHeader.length = 1082;
encodedLength = sawyercoding_write_chunk_buffer(buffer, (uint8*)&_s6.active_research_types, chunkHeader);
SDL_RWwrite(rw, buffer, encodedLength, 1);
// 11:
chunkHeader.encoding = CHUNK_ENCODING_RLECOMPRESSED;
chunkHeader.length = 16;
encodedLength = sawyercoding_write_chunk_buffer(buffer, (uint8*)&_s6.current_expenditure, chunkHeader);
SDL_RWwrite(rw, buffer, encodedLength, 1);
// 12:
chunkHeader.encoding = CHUNK_ENCODING_RLECOMPRESSED;
chunkHeader.length = 4;
encodedLength = sawyercoding_write_chunk_buffer(buffer, (uint8*)&_s6.park_value, chunkHeader);
SDL_RWwrite(rw, buffer, encodedLength, 1);
// 13:
chunkHeader.encoding = CHUNK_ENCODING_RLECOMPRESSED;
chunkHeader.length = 0x761E8;
encodedLength = sawyercoding_write_chunk_buffer(buffer, (uint8*)&_s6.completed_company_value, chunkHeader);
SDL_RWwrite(rw, buffer, encodedLength, 1);
}
else
{
// 6: Everything else...
chunkHeader.encoding = CHUNK_ENCODING_RLECOMPRESSED;
chunkHeader.length = 0x2E8570;
encodedLength = sawyercoding_write_chunk_buffer(buffer, (uint8*)&_s6.dword_010E63B8, chunkHeader);
SDL_RWwrite(rw, buffer, encodedLength, 1);
}
free(buffer);
// Determine number of bytes written
size_t fileSize = (size_t)SDL_RWtell(rw);
SDL_RWseek(rw, 0, RW_SEEK_SET);
// Read all written bytes back into a single buffer
buffer = (uint8 *)malloc(fileSize);
SDL_RWread(rw, buffer, fileSize, 1);
uint32 checksum = sawyercoding_calculate_checksum(buffer, fileSize);
free(buffer);
// Append the checksum
SDL_RWseek(rw, fileSize, RW_SEEK_SET);
SDL_RWwrite(rw, &checksum, sizeof(uint32), 1);
}
void S6Exporter::Export()
{
_s6.info = *gS6Info;
for (int i = 0; i < OBJECT_ENTRY_COUNT; i++)
{
const rct_object_entry * entry = get_loaded_object_entry(i);
void * entryData = get_loaded_object_chunk(i);
if (entryData == (void *)0xFFFFFFFF)
{
Memory::Set(&_s6.objects[i], 0xFF, sizeof(rct_object_entry));
}
else
{
_s6.objects[i] = *((rct_object_entry*)entry);
}
}
_s6.elapsed_months = gDateMonthsElapsed;
_s6.current_day = gDateMonthTicks;
_s6.scenario_ticks = gScenarioTicks;
_s6.scenario_srand_0 = gScenarioSrand0;
_s6.scenario_srand_1 = gScenarioSrand1;
memcpy(_s6.map_elements, gMapElements, sizeof(_s6.map_elements));
_s6.dword_010E63B8 = RCT2_GLOBAL(0x0010E63B8, uint32);
for (int i = 0; i < MAX_SPRITES; i++)
{
memcpy(&_s6.sprites[i], get_sprite(i), sizeof(rct_sprite));
}
for (int i = 0; i < NUM_SPRITE_LISTS; i++)
{
_s6.sprite_lists_head[i] = gSpriteListHead[i];
_s6.sprite_lists_count[i] = gSpriteListCount[i];
}
_s6.park_name = gParkName;
// pad_013573D6
_s6.park_name_args = gParkNameArgs;
_s6.initial_cash = gInitialCash;
_s6.current_loan = gBankLoan;
_s6.park_flags = gParkFlags;
_s6.park_entrance_fee = gParkEntranceFee;
// rct1_park_entrance_x
// rct1_park_entrance_y
// pad_013573EE
// rct1_park_entrance_z
memcpy(_s6.peep_spawns, gPeepSpawns, sizeof(_s6.peep_spawns));
_s6.guest_count_change_modifier = gGuestChangeModifier;
_s6.current_research_level = gResearchFundingLevel;
// pad_01357400
memcpy(_s6.researched_ride_types, gResearchedRideTypes, sizeof(_s6.researched_ride_types));
memcpy(_s6.researched_ride_entries, gResearchedRideEntries, sizeof(_s6.researched_ride_entries));
memcpy(_s6.researched_track_types_a, gResearchedTrackTypesA, sizeof(_s6.researched_track_types_a));
memcpy(_s6.researched_track_types_b, gResearchedTrackTypesB, sizeof(_s6.researched_track_types_b));
_s6.guests_in_park = gNumGuestsInPark;
_s6.guests_heading_for_park = gNumGuestsHeadingForPark;
memcpy(_s6.expenditure_table, gExpenditureTable, sizeof(_s6.expenditure_table));
_s6.last_guests_in_park = RCT2_GLOBAL(RCT2_ADDRESS_LAST_GUESTS_IN_PARK, uint16);
// pad_01357BCA
_s6.handyman_colour = gStaffHandymanColour;
_s6.mechanic_colour = gStaffMechanicColour;
_s6.security_colour = gStaffSecurityColour;
memcpy(_s6.researched_scenery_items, gResearchedSceneryItems, sizeof(_s6.researched_scenery_items));
_s6.park_rating = gParkRating;
memcpy(_s6.park_rating_history, gParkRatingHistory, sizeof(_s6.park_rating_history));
memcpy(_s6.guests_in_park_history, gGuestsInParkHistory, sizeof(_s6.guests_in_park_history));
_s6.active_research_types = gResearchPriorities;
_s6.research_progress_stage = gResearchProgressStage;
_s6.last_researched_item_subject = gResearchLastItemSubject;
// pad_01357CF8
_s6.next_research_item = gResearchNextItem;
_s6.research_progress = gResearchProgress;
_s6.next_research_category = gResearchNextCategory;
_s6.next_research_expected_day = gResearchExpectedDay;
_s6.next_research_expected_month = gResearchExpectedMonth;
_s6.guest_initial_happiness = gGuestInitialHappiness;
_s6.park_size = gParkSize;
_s6.guest_generation_probability = _guestGenerationProbability;
_s6.total_ride_value = gTotalRideValue;
_s6.maximum_loan = gMaxBankLoan;
_s6.guest_initial_cash = gGuestInitialCash;
_s6.guest_initial_hunger = gGuestInitialHunger;
_s6.guest_initial_thirst = gGuestInitialThirst;
_s6.objective_type = gScenarioObjectiveType;
_s6.objective_year = gScenarioObjectiveYear;
// pad_013580FA
_s6.objective_currency = gScenarioObjectiveCurrency;
_s6.objective_guests = gScenarioObjectiveNumGuests;
memcpy(_s6.campaign_weeks_left, gMarketingCampaignDaysLeft, sizeof(_s6.campaign_weeks_left));
memcpy(_s6.campaign_ride_index, gMarketingCampaignRideIndex, sizeof(_s6.campaign_ride_index));
memcpy(_s6.balance_history, gCashHistory, sizeof(_s6.balance_history));
_s6.current_expenditure = gCurrentExpenditure;
_s6.current_profit = gCurrentProfit;
_s6.weekly_profit_average_dividend = gWeeklyProfitAverageDividend;
_s6.weekly_profit_average_divisor = gWeeklyProfitAverageDivisor;
// pad_0135833A
memcpy(_s6.weekly_profit_history, gWeeklyProfitHistory, sizeof(_s6.weekly_profit_history));
_s6.park_value = gParkValue;
memcpy(_s6.park_value_history, gParkValueHistory, sizeof(_s6.park_value_history));
_s6.completed_company_value = gScenarioCompletedCompanyValue;
_s6.total_admissions = gTotalAdmissions;
_s6.income_from_admissions = gTotalIncomeFromAdmissions;
_s6.company_value = gCompanyValue;
memcpy(_s6.peep_warning_throttle, gPeepWarningThrottle, sizeof(_s6.peep_warning_throttle));
memcpy(_s6.awards, gCurrentAwards, sizeof(_s6.awards));
_s6.land_price = gLandPrice;
_s6.construction_rights_price = gConstructionRightsPrice;
_s6.word_01358774 = RCT2_GLOBAL(0x01358774, uint16);
// pad_01358776
// _s6.cd_key
// _s6.game_version_number
_s6.completed_company_value_record = gScenarioCompanyValueRecord;
_s6.loan_hash = RCT2_GLOBAL(RCT2_ADDRESS_LOAN_HASH, uint32);
_s6.ride_count = RCT2_GLOBAL(RCT2_ADDRESS_RIDE_COUNT, uint16);
// pad_013587CA
_s6.dword_013587D0 = RCT2_GLOBAL(0x013587D0, uint32);
// pad_013587D4
memcpy(_s6.scenario_completed_name, gScenarioCompletedBy, sizeof(_s6.scenario_completed_name));
_s6.cash = gCashEncrypted;
// pad_013587FC
_s6.word_0135882E = RCT2_GLOBAL(0x0135882E, uint16);
_s6.map_size_units = gMapSizeUnits;
_s6.map_size_minus_2 = gMapSizeMinus2;
_s6.map_size = gMapSize;
_s6.map_max_xy = gMapSizeMaxXY;
_s6.same_price_throughout = gSamePriceThroughoutParkA;
_s6.suggested_max_guests = _suggestedGuestMaximum;
_s6.park_rating_warning_days = gScenarioParkRatingWarningDays;
_s6.last_entrance_style = RCT2_GLOBAL(RCT2_ADDRESS_LAST_ENTRANCE_STYLE, uint8);
// rct1_water_colour
// pad_01358842
memcpy(_s6.research_items, gResearchItems, sizeof(_s6.research_items));
_s6.word_01359208 = RCT2_GLOBAL(0x01359208, uint16);
memcpy(_s6.scenario_name, gScenarioName, sizeof(_s6.scenario_name));
memcpy(_s6.scenario_description, gScenarioDetails, sizeof(_s6.scenario_description));
_s6.current_interest_rate = gBankLoanInterestRate;
// pad_0135934B
_s6.same_price_throughout_extended = gSamePriceThroughoutParkB;
memcpy(_s6.park_entrance_x, gParkEntranceX, sizeof(_s6.park_entrance_x));
memcpy(_s6.park_entrance_y, gParkEntranceY, sizeof(_s6.park_entrance_y));
memcpy(_s6.park_entrance_z, gParkEntranceZ, sizeof(_s6.park_entrance_z));
memcpy(_s6.park_entrance_direction, gParkEntranceDirection, sizeof(_s6.park_entrance_direction));
memcpy(_s6.scenario_filename, RCT2_ADDRESS(0x0135936C, char), sizeof(_s6.scenario_filename));
memcpy(_s6.saved_expansion_pack_names, RCT2_ADDRESS(0x0135946C, uint8), sizeof(_s6.saved_expansion_pack_names));
memcpy(_s6.banners, gBanners, sizeof(_s6.banners));
memcpy(_s6.custom_strings, gUserStrings, sizeof(_s6.custom_strings));
_s6.game_ticks_1 = gCurrentTicks;
memcpy(_s6.rides, gRideList, sizeof(_s6.rides));
_s6.saved_age = RCT2_GLOBAL(RCT2_ADDRESS_SAVED_AGE, uint16);
_s6.saved_view_x = gSavedViewX;
_s6.saved_view_y = gSavedViewY;
_s6.saved_view_zoom = gSavedViewZoom;
_s6.saved_view_rotation = gSavedViewRotation;
memcpy(_s6.map_animations, gAnimatedObjects, sizeof(_s6.map_animations));
// rct1_map_animations
_s6.num_map_animations = gNumMapAnimations;
// pad_0138B582
_s6.ride_ratings_calc_data = gRideRatingsCalcData;
memcpy(_s6.ride_measurements, gRideMeasurements, sizeof(_s6.ride_measurements));
_s6.next_guest_index = gNextGuestNumber;
_s6.grass_and_scenery_tilepos = gGrassSceneryTileLoopPosition;
memcpy(_s6.patrol_areas, gStaffPatrolAreas, sizeof(_s6.patrol_areas));
memcpy(_s6.staff_modes, gStaffModes, sizeof(_s6.staff_modes));
// unk_13CA73E
// pad_13CA73F
_s6.byte_13CA740 = RCT2_GLOBAL(0x013CA740, uint8);
_s6.climate = gClimate;
// pad_13CA741;
memcpy(_s6.byte_13CA742, RCT2_ADDRESS(0x013CA742, uint8), sizeof(_s6.byte_13CA742));
// pad_013CA747
_s6.climate_update_timer = gClimateUpdateTimer;
_s6.current_weather = gClimateCurrentWeather;
_s6.next_weather = gClimateNextWeather;
_s6.temperature = gClimateCurrentTemperature;
_s6.next_temperature = gClimateNextTemperature;
_s6.current_weather_effect = gClimateCurrentWeatherEffect;
_s6.next_weather_effect = gClimateNextWeatherEffect;
_s6.current_weather_gloom = gClimateCurrentWeatherGloom;
_s6.next_weather_gloom = gClimateNextWeatherGloom;
_s6.current_rain_level = gClimateCurrentRainLevel;
_s6.next_rain_level = gClimateNextRainLevel;
memcpy(_s6.news_items, gNewsItems, sizeof(_s6.news_items));
// pad_13CE730
// rct1_scenario_flags
_s6.wide_path_tile_loop_x = gWidePathTileLoopX;
_s6.wide_path_tile_loop_y = gWidePathTileLoopY;
// pad_13CE778
String::Set(_s6.scenario_filename, sizeof(_s6.scenario_filename), _scenarioFileName);
if (RemoveTracklessRides)
{
scenario_remove_trackless_rides(&_s6);
}
scenario_fix_ghosts(&_s6);
game_convert_strings_to_rct2(&_s6);
}
extern "C"
{
enum {
S6_SAVE_FLAG_EXPORT = 1 << 0,
S6_SAVE_FLAG_SCENARIO = 1 << 1,
S6_SAVE_FLAG_AUTOMATIC = 1 << 31,
};
/**
*
* rct2: 0x006754F5
* @param flags bit 0: pack objects, 1: save as scenario
*/
int scenario_save(SDL_RWops* rw, int 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();
sprite_clear_all_unused();
viewport_set_saved_view();
bool result = false;
auto s6exporter = new S6Exporter();
try
{
s6exporter->ExportObjects = (flags & S6_SAVE_FLAG_EXPORT);
s6exporter->RemoveTracklessRides = true;
s6exporter->Export();
if (flags & S6_SAVE_FLAG_SCENARIO)
{
s6exporter->SaveScenario(rw);
}
else
{
s6exporter->SaveGame(rw);
}
result = true;
}
catch (Exception)
{
}
delete s6exporter;
gfx_invalidate_screen();
if (result && !(flags & S6_SAVE_FLAG_AUTOMATIC))
{
gScreenAge = 0;
}
return result;
}
// Save game state without modifying any of the state for multiplayer
int scenario_save_network(SDL_RWops * rw)
{
viewport_set_saved_view();
bool result = false;
auto s6exporter = new S6Exporter();
try
{
s6exporter->ExportObjects = true;
s6exporter->Export();
s6exporter->SaveGame(rw);
result = true;
}
catch (Exception)
{
}
delete s6exporter;
if (!result)
{
return 0;
}
// Write other data not in normal save files
SDL_RWwrite(rw, gSpriteSpatialIndex, 0x10001 * sizeof(uint16), 1);
SDL_WriteLE32(rw, gGamePaused);
SDL_WriteLE32(rw, _guestGenerationProbability);
SDL_WriteLE32(rw, _suggestedGuestMaximum);
SDL_WriteU8(rw, gCheatsSandboxMode);
SDL_WriteU8(rw, gCheatsDisableClearanceChecks);
SDL_WriteU8(rw, gCheatsDisableSupportLimits);
SDL_WriteU8(rw, gCheatsDisableTrainLengthLimit);
SDL_WriteU8(rw, gCheatsEnableChainLiftOnAllTrack);
SDL_WriteU8(rw, gCheatsShowAllOperatingModes);
SDL_WriteU8(rw, gCheatsShowVehiclesFromOtherTrackTypes);
SDL_WriteU8(rw, gCheatsFastLiftHill);
SDL_WriteU8(rw, gCheatsDisableBrakesFailure);
SDL_WriteU8(rw, gCheatsDisableAllBreakdowns);
SDL_WriteU8(rw, gCheatsUnlockAllPrices);
SDL_WriteU8(rw, gCheatsBuildInPauseMode);
SDL_WriteU8(rw, gCheatsIgnoreRideIntensity);
SDL_WriteU8(rw, gCheatsDisableVandalism);
SDL_WriteU8(rw, gCheatsDisableLittering);
SDL_WriteU8(rw, gCheatsNeverendingMarketing);
SDL_WriteU8(rw, gCheatsFreezeClimate);
SDL_WriteU8(rw, gCheatsDisablePlantAging);
SDL_WriteU8(rw, gCheatsAllowArbitraryRideTypeChanges);
gfx_invalidate_screen();
return 1;
}
}