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https://github.com/vcmi/vcmi.git
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636 lines
21 KiB
C++
636 lines
21 KiB
C++
/*
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* CCampaignHandler.cpp, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#include "StdInc.h"
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#include "CampaignHandler.h"
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#include "CampaignState.h"
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#include "../filesystem/Filesystem.h"
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#include "../filesystem/CCompressedStream.h"
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#include "../filesystem/CMemoryStream.h"
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#include "../filesystem/CBinaryReader.h"
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#include "../modding/IdentifierStorage.h"
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#include "../VCMI_Lib.h"
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#include "../CGeneralTextHandler.h"
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#include "../TextOperations.h"
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#include "../Languages.h"
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#include "../constants/StringConstants.h"
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#include "../mapping/CMapHeader.h"
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#include "../mapping/CMapService.h"
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#include "../modding/CModHandler.h"
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#include "../modding/ModScope.h"
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VCMI_LIB_NAMESPACE_BEGIN
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void CampaignHandler::readCampaign(Campaign * ret, const std::vector<ui8> & input, std::string filename, std::string modName, std::string encoding)
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{
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if (input.front() < uint8_t(' ')) // binary format
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{
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CMemoryStream stream(input.data(), input.size());
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CBinaryReader reader(&stream);
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readHeaderFromMemory(*ret, reader, filename, modName, encoding);
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for(int g = 0; g < ret->numberOfScenarios; ++g)
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{
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auto scenarioID = static_cast<CampaignScenarioID>(ret->scenarios.size());
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ret->scenarios[scenarioID] = readScenarioFromMemory(reader, *ret);
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}
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}
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else // text format (json)
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{
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JsonNode jsonCampaign(reinterpret_cast<const std::byte*>(input.data()), input.size());
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readHeaderFromJson(*ret, jsonCampaign, filename, modName, encoding);
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for(auto & scenario : jsonCampaign["scenarios"].Vector())
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{
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auto scenarioID = static_cast<CampaignScenarioID>(ret->scenarios.size());
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ret->scenarios[scenarioID] = readScenarioFromJson(scenario);
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}
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}
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}
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std::unique_ptr<Campaign> CampaignHandler::getHeader( const std::string & name)
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{
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ResourcePath resourceID(name, EResType::CAMPAIGN);
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std::string modName = VLC->modh->findResourceOrigin(resourceID);
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std::string language = VLC->modh->getModLanguage(modName);
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std::string encoding = Languages::getLanguageOptions(language).encoding;
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auto ret = std::make_unique<Campaign>();
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auto fileStream = CResourceHandler::get(modName)->load(resourceID);
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std::vector<ui8> cmpgn = getFile(std::move(fileStream), name, true)[0];
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readCampaign(ret.get(), cmpgn, resourceID.getName(), modName, encoding);
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return ret;
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}
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std::shared_ptr<CampaignState> CampaignHandler::getCampaign( const std::string & name )
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{
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ResourcePath resourceID(name, EResType::CAMPAIGN);
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std::string modName = VLC->modh->findResourceOrigin(resourceID);
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std::string language = VLC->modh->getModLanguage(modName);
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std::string encoding = Languages::getLanguageOptions(language).encoding;
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auto ret = std::make_unique<CampaignState>();
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auto fileStream = CResourceHandler::get(modName)->load(resourceID);
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std::vector<std::vector<ui8>> files = getFile(std::move(fileStream), name, false);
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readCampaign(ret.get(), files[0], resourceID.getName(), modName, encoding);
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//first entry is campaign header. start loop from 1
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for(int scenarioIndex = 0, fileIndex = 1; fileIndex < files.size() && scenarioIndex < ret->numberOfScenarios; scenarioIndex++)
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{
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auto scenarioID = static_cast<CampaignScenarioID>(scenarioIndex);
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if(!ret->scenarios[scenarioID].isNotVoid()) //skip void scenarios
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continue;
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std::string scenarioName = resourceID.getName();
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boost::to_lower(scenarioName);
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scenarioName += ':' + std::to_string(fileIndex - 1);
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//set map piece appropriately, convert vector to string
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ret->mapPieces[scenarioID] = files[fileIndex];
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auto hdr = ret->getMapHeader(scenarioID);
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ret->scenarios[scenarioID].scenarioName = hdr->name;
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fileIndex++;
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}
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return ret;
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}
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static std::string convertMapName(std::string input)
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{
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boost::algorithm::to_lower(input);
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boost::algorithm::trim(input);
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size_t slashPos = input.find_last_of("/");
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if (slashPos != std::string::npos)
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return input.substr(slashPos + 1);
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return input;
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}
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std::string CampaignHandler::readLocalizedString(CampaignHeader & target, CBinaryReader & reader, std::string filename, std::string modName, std::string encoding, std::string identifier)
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{
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TextIdentifier stringID( "campaign", convertMapName(filename), identifier);
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std::string input = TextOperations::toUnicode(reader.readBaseString(), encoding);
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if (input.empty())
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return "";
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target.getTexts().registerString(modName, stringID, input);
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return stringID.get();
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}
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void CampaignHandler::readHeaderFromJson(CampaignHeader & ret, JsonNode & reader, std::string filename, std::string modName, std::string encoding)
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{
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ret.version = static_cast<CampaignVersion>(reader["version"].Integer());
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if(ret.version < CampaignVersion::VCMI_MIN || ret.version > CampaignVersion::VCMI_MAX)
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{
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logGlobal->info("VCMP Loading: Unsupported campaign %s version %d", filename, static_cast<int>(ret.version));
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return;
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}
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ret.version = CampaignVersion::VCMI;
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ret.campaignRegions = CampaignRegions::fromJson(reader["regions"]);
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ret.numberOfScenarios = reader["scenarios"].Vector().size();
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ret.name.appendTextID(reader["name"].String());
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ret.description.appendTextID(reader["description"].String());
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ret.difficultyChoosenByPlayer = reader["allowDifficultySelection"].Bool();
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ret.music = AudioPath::fromJson(reader["music"]);
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ret.filename = filename;
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ret.modName = modName;
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ret.encoding = encoding;
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}
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CampaignScenario CampaignHandler::readScenarioFromJson(JsonNode & reader)
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{
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auto prologEpilogReader = [](JsonNode & identifier) -> CampaignScenarioPrologEpilog
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{
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CampaignScenarioPrologEpilog ret;
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ret.hasPrologEpilog = !identifier.isNull();
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if(ret.hasPrologEpilog)
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{
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ret.prologVideo = VideoPath::fromJson(identifier["video"]);
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ret.prologMusic = AudioPath::fromJson(identifier["music"]);
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ret.prologVoice = AudioPath::fromJson(identifier["voice"]);
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ret.prologText.jsonDeserialize(identifier["text"]);
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}
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return ret;
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};
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CampaignScenario ret;
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ret.mapName = reader["map"].String();
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for(auto & g : reader["preconditions"].Vector())
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ret.preconditionRegions.insert(static_cast<CampaignScenarioID>(g.Integer()));
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ret.regionColor = reader["color"].Integer();
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ret.difficulty = reader["difficulty"].Integer();
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ret.regionText.jsonDeserialize(reader["regionText"]);
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ret.prolog = prologEpilogReader(reader["prolog"]);
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ret.epilog = prologEpilogReader(reader["epilog"]);
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ret.travelOptions = readScenarioTravelFromJson(reader);
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return ret;
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}
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CampaignTravel CampaignHandler::readScenarioTravelFromJson(JsonNode & reader)
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{
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CampaignTravel ret;
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std::map<std::string, CampaignStartOptions> startOptionsMap = {
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{"none", CampaignStartOptions::NONE},
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{"bonus", CampaignStartOptions::START_BONUS},
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{"crossover", CampaignStartOptions::HERO_CROSSOVER},
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{"hero", CampaignStartOptions::HERO_OPTIONS}
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};
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std::map<std::string, CampaignBonusType> bonusTypeMap = {
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{"spell", CampaignBonusType::SPELL},
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{"creature", CampaignBonusType::MONSTER},
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{"building", CampaignBonusType::BUILDING},
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{"artifact", CampaignBonusType::ARTIFACT},
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{"scroll", CampaignBonusType::SPELL_SCROLL},
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{"primarySkill", CampaignBonusType::PRIMARY_SKILL},
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{"secondarySkill", CampaignBonusType::SECONDARY_SKILL},
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{"resource", CampaignBonusType::RESOURCE},
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//{"prevHero", CScenarioTravel::STravelBonus::EBonusType::HEROES_FROM_PREVIOUS_SCENARIO},
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//{"hero", CScenarioTravel::STravelBonus::EBonusType::HERO},
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};
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std::map<std::string, ui32> primarySkillsMap = {
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{"attack", 0},
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{"defence", 8},
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{"spellpower", 16},
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{"knowledge", 24},
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};
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std::map<std::string, ui16> heroSpecialMap = {
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{"strongest", 0xFFFD},
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{"generated", 0xFFFE},
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{"random", 0xFFFF}
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};
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std::map<std::string, ui8> resourceTypeMap = {
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//FD - wood+ore
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//FE - mercury+sulfur+crystal+gem
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{"wood", 0},
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{"mercury", 1},
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{"ore", 2},
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{"sulfur", 3},
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{"crystal", 4},
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{"gems", 5},
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{"gold", 6},
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{"common", 0xFD},
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{"rare", 0xFE}
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};
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for(auto & k : reader["heroKeeps"].Vector())
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{
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if(k.String() == "experience") ret.whatHeroKeeps.experience = true;
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if(k.String() == "primarySkills") ret.whatHeroKeeps.primarySkills = true;
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if(k.String() == "secondarySkills") ret.whatHeroKeeps.secondarySkills = true;
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if(k.String() == "spells") ret.whatHeroKeeps.spells = true;
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if(k.String() == "artifacts") ret.whatHeroKeeps.artifacts = true;
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}
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for(auto & k : reader["keepCreatures"].Vector())
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{
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if(auto identifier = VLC->identifiers()->getIdentifier(ModScope::scopeMap(), "creature", k.String()))
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ret.monstersKeptByHero.insert(CreatureID(identifier.value()));
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else
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logGlobal->warn("VCMP Loading: keepCreatures contains unresolved identifier %s", k.String());
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}
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for(auto & k : reader["keepArtifacts"].Vector())
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{
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if(auto identifier = VLC->identifiers()->getIdentifier(ModScope::scopeMap(), "artifact", k.String()))
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ret.artifactsKeptByHero.insert(ArtifactID(identifier.value()));
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else
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logGlobal->warn("VCMP Loading: keepArtifacts contains unresolved identifier %s", k.String());
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}
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ret.startOptions = startOptionsMap[reader["startOptions"].String()];
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switch(ret.startOptions)
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{
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case CampaignStartOptions::NONE:
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//no bonuses. Seems to be OK
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break;
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case CampaignStartOptions::START_BONUS: //reading of bonuses player can choose
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{
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ret.playerColor = PlayerColor(PlayerColor::decode(reader["playerColor"].String()));
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for(auto & bjson : reader["bonuses"].Vector())
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{
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CampaignBonus bonus;
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bonus.type = bonusTypeMap[bjson["what"].String()];
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switch (bonus.type)
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{
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case CampaignBonusType::RESOURCE:
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bonus.info1 = resourceTypeMap[bjson["type"].String()];
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bonus.info2 = bjson["amount"].Integer();
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break;
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case CampaignBonusType::BUILDING:
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bonus.info1 = vstd::find_pos(EBuildingType::names, bjson["type"].String());
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if(bonus.info1 == -1)
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logGlobal->warn("VCMP Loading: unresolved building identifier %s", bjson["type"].String());
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break;
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default:
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if(int heroId = heroSpecialMap[bjson["hero"].String()])
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bonus.info1 = heroId;
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else
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if(auto identifier = VLC->identifiers()->getIdentifier(ModScope::scopeMap(), "hero", bjson["hero"].String()))
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bonus.info1 = identifier.value();
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else
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logGlobal->warn("VCMP Loading: unresolved hero identifier %s", bjson["hero"].String());
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bonus.info3 = bjson["amount"].Integer();
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switch(bonus.type)
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{
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case CampaignBonusType::SPELL:
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case CampaignBonusType::MONSTER:
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case CampaignBonusType::SECONDARY_SKILL:
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case CampaignBonusType::ARTIFACT:
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if(auto identifier = VLC->identifiers()->getIdentifier(ModScope::scopeMap(), bjson["what"].String(), bjson["type"].String()))
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bonus.info2 = identifier.value();
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else
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logGlobal->warn("VCMP Loading: unresolved %s identifier %s", bjson["what"].String(), bjson["type"].String());
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break;
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case CampaignBonusType::SPELL_SCROLL:
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if(auto Identifier = VLC->identifiers()->getIdentifier(ModScope::scopeMap(), "spell", bjson["type"].String()))
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bonus.info2 = Identifier.value();
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else
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logGlobal->warn("VCMP Loading: unresolved spell scroll identifier %s", bjson["type"].String());
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break;
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case CampaignBonusType::PRIMARY_SKILL:
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for(auto & ps : primarySkillsMap)
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bonus.info2 |= bjson[ps.first].Integer() << ps.second;
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break;
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default:
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bonus.info2 = bjson["type"].Integer();
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}
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break;
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}
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ret.bonusesToChoose.push_back(bonus);
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}
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break;
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}
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case CampaignStartOptions::HERO_CROSSOVER: //reading of players (colors / scenarios ?) player can choose
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{
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for(auto & bjson : reader["bonuses"].Vector())
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{
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CampaignBonus bonus;
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bonus.type = CampaignBonusType::HEROES_FROM_PREVIOUS_SCENARIO;
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bonus.info1 = bjson["playerColor"].Integer(); //player color
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bonus.info2 = bjson["scenario"].Integer(); //from what scenario
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ret.bonusesToChoose.push_back(bonus);
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}
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break;
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}
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case CampaignStartOptions::HERO_OPTIONS: //heroes player can choose between
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{
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for(auto & bjson : reader["bonuses"].Vector())
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{
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CampaignBonus bonus;
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bonus.type = CampaignBonusType::HERO;
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bonus.info1 = bjson["playerColor"].Integer(); //player color
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if(int heroId = heroSpecialMap[bjson["hero"].String()])
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bonus.info2 = heroId;
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else
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if (auto identifier = VLC->identifiers()->getIdentifier(ModScope::scopeMap(), "hero", bjson["hero"].String()))
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bonus.info2 = identifier.value();
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else
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logGlobal->warn("VCMP Loading: unresolved hero identifier %s", bjson["hero"].String());
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ret.bonusesToChoose.push_back(bonus);
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}
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break;
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}
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default:
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{
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logGlobal->warn("VCMP Loading: Unsupported start options value");
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break;
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}
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}
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return ret;
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}
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void CampaignHandler::readHeaderFromMemory( CampaignHeader & ret, CBinaryReader & reader, std::string filename, std::string modName, std::string encoding )
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{
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ret.version = static_cast<CampaignVersion>(reader.readUInt32());
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ui8 campId = reader.readUInt8() - 1;//change range of it from [1, 20] to [0, 19]
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ret.loadLegacyData(campId);
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ret.name.appendTextID(readLocalizedString(ret, reader, filename, modName, encoding, "name"));
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ret.description.appendTextID(readLocalizedString(ret, reader, filename, modName, encoding, "description"));
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if (ret.version > CampaignVersion::RoE)
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ret.difficultyChoosenByPlayer = reader.readInt8();
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else
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ret.difficultyChoosenByPlayer = false;
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ret.music = prologMusicName(reader.readInt8());
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ret.filename = filename;
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ret.modName = modName;
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ret.encoding = encoding;
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}
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CampaignScenario CampaignHandler::readScenarioFromMemory( CBinaryReader & reader, CampaignHeader & header)
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{
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auto prologEpilogReader = [&](const std::string & identifier) -> CampaignScenarioPrologEpilog
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{
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CampaignScenarioPrologEpilog ret;
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ret.hasPrologEpilog = reader.readUInt8();
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if(ret.hasPrologEpilog)
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{
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bool isOriginalCampaign = boost::starts_with(header.getFilename(), "DATA/");
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ui8 index = reader.readUInt8();
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ret.prologVideo = CampaignHandler::prologVideoName(index);
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ret.prologMusic = CampaignHandler::prologMusicName(reader.readUInt8());
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ret.prologVoice = isOriginalCampaign ? CampaignHandler::prologVoiceName(index) : AudioPath();
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ret.prologText.appendTextID(readLocalizedString(header, reader, header.filename, header.modName, header.encoding, identifier));
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}
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return ret;
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};
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CampaignScenario ret;
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ret.mapName = reader.readBaseString();
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reader.readUInt32(); //packedMapSize - not used
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if(header.numberOfScenarios > 8) //unholy alliance
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{
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ret.loadPreconditionRegions(reader.readUInt16());
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}
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else
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{
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ret.loadPreconditionRegions(reader.readUInt8());
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}
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ret.regionColor = reader.readUInt8();
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ret.difficulty = reader.readUInt8();
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ret.regionText.appendTextID(readLocalizedString(header, reader, header.filename, header.modName, header.encoding, ret.mapName + ".region"));
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ret.prolog = prologEpilogReader(ret.mapName + ".prolog");
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ret.epilog = prologEpilogReader(ret.mapName + ".epilog");
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ret.travelOptions = readScenarioTravelFromMemory(reader, header.version);
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return ret;
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}
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template<typename Identifier>
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static void readContainer(std::set<Identifier> & container, CBinaryReader & reader, int sizeBytes)
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{
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for(int iId = 0, byte = 0; iId < sizeBytes * 8; ++iId)
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{
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if(iId % 8 == 0)
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byte = reader.readUInt8();
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if(byte & (1 << iId % 8))
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container.insert(Identifier(iId));
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}
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}
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CampaignTravel CampaignHandler::readScenarioTravelFromMemory(CBinaryReader & reader, CampaignVersion version )
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{
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CampaignTravel ret;
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ui8 whatHeroKeeps = reader.readUInt8();
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ret.whatHeroKeeps.experience = whatHeroKeeps & 1;
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ret.whatHeroKeeps.primarySkills = whatHeroKeeps & 2;
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ret.whatHeroKeeps.secondarySkills = whatHeroKeeps & 4;
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ret.whatHeroKeeps.spells = whatHeroKeeps & 8;
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ret.whatHeroKeeps.artifacts = whatHeroKeeps & 16;
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readContainer(ret.monstersKeptByHero, reader, 19);
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readContainer(ret.artifactsKeptByHero, reader, version < CampaignVersion::SoD ? 17 : 18);
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ret.startOptions = static_cast<CampaignStartOptions>(reader.readUInt8());
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switch(ret.startOptions)
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{
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case CampaignStartOptions::NONE:
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//no bonuses. Seems to be OK
|
|
break;
|
|
case CampaignStartOptions::START_BONUS: //reading of bonuses player can choose
|
|
{
|
|
ret.playerColor.setNum(reader.readUInt8());
|
|
ui8 numOfBonuses = reader.readUInt8();
|
|
for (int g=0; g<numOfBonuses; ++g)
|
|
{
|
|
CampaignBonus bonus;
|
|
bonus.type = static_cast<CampaignBonusType>(reader.readUInt8());
|
|
//hero: FFFD means 'most powerful' and FFFE means 'generated'
|
|
switch(bonus.type)
|
|
{
|
|
case CampaignBonusType::SPELL:
|
|
{
|
|
bonus.info1 = reader.readUInt16(); //hero
|
|
bonus.info2 = reader.readUInt8(); //spell ID
|
|
break;
|
|
}
|
|
case CampaignBonusType::MONSTER:
|
|
{
|
|
bonus.info1 = reader.readUInt16(); //hero
|
|
bonus.info2 = reader.readUInt16(); //monster type
|
|
bonus.info3 = reader.readUInt16(); //monster count
|
|
break;
|
|
}
|
|
case CampaignBonusType::BUILDING:
|
|
{
|
|
bonus.info1 = reader.readUInt8(); //building ID (0 - town hall, 1 - city hall, 2 - capitol, etc)
|
|
break;
|
|
}
|
|
case CampaignBonusType::ARTIFACT:
|
|
{
|
|
bonus.info1 = reader.readUInt16(); //hero
|
|
bonus.info2 = reader.readUInt16(); //artifact ID
|
|
break;
|
|
}
|
|
case CampaignBonusType::SPELL_SCROLL:
|
|
{
|
|
bonus.info1 = reader.readUInt16(); //hero
|
|
bonus.info2 = reader.readUInt8(); //spell ID
|
|
break;
|
|
}
|
|
case CampaignBonusType::PRIMARY_SKILL:
|
|
{
|
|
bonus.info1 = reader.readUInt16(); //hero
|
|
bonus.info2 = reader.readUInt32(); //bonuses (4 bytes for 4 skills)
|
|
break;
|
|
}
|
|
case CampaignBonusType::SECONDARY_SKILL:
|
|
{
|
|
bonus.info1 = reader.readUInt16(); //hero
|
|
bonus.info2 = reader.readUInt8(); //skill ID
|
|
bonus.info3 = reader.readUInt8(); //skill level
|
|
break;
|
|
}
|
|
case CampaignBonusType::RESOURCE:
|
|
{
|
|
bonus.info1 = reader.readUInt8(); //type
|
|
//FD - wood+ore
|
|
//FE - mercury+sulfur+crystal+gem
|
|
bonus.info2 = reader.readUInt32(); //count
|
|
break;
|
|
}
|
|
default:
|
|
logGlobal->warn("Corrupted h3c file");
|
|
break;
|
|
}
|
|
ret.bonusesToChoose.push_back(bonus);
|
|
}
|
|
break;
|
|
}
|
|
case CampaignStartOptions::HERO_CROSSOVER: //reading of players (colors / scenarios ?) player can choose
|
|
{
|
|
ui8 numOfBonuses = reader.readUInt8();
|
|
for (int g=0; g<numOfBonuses; ++g)
|
|
{
|
|
CampaignBonus bonus;
|
|
bonus.type = CampaignBonusType::HEROES_FROM_PREVIOUS_SCENARIO;
|
|
bonus.info1 = reader.readUInt8(); //player color
|
|
bonus.info2 = reader.readUInt8(); //from what scenario
|
|
|
|
ret.bonusesToChoose.push_back(bonus);
|
|
}
|
|
break;
|
|
}
|
|
case CampaignStartOptions::HERO_OPTIONS: //heroes player can choose between
|
|
{
|
|
ui8 numOfBonuses = reader.readUInt8();
|
|
for (int g=0; g<numOfBonuses; ++g)
|
|
{
|
|
CampaignBonus bonus;
|
|
bonus.type = CampaignBonusType::HERO;
|
|
bonus.info1 = reader.readUInt8(); //player color
|
|
bonus.info2 = reader.readUInt16(); //hero, FF FF - random
|
|
|
|
ret.bonusesToChoose.push_back(bonus);
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
logGlobal->warn("Corrupted h3c file");
|
|
break;
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
std::vector< std::vector<ui8> > CampaignHandler::getFile(std::unique_ptr<CInputStream> file, const std::string & filename, bool headerOnly)
|
|
{
|
|
CCompressedStream stream(std::move(file), true);
|
|
|
|
std::vector< std::vector<ui8> > ret;
|
|
|
|
try
|
|
{
|
|
do
|
|
{
|
|
std::vector<ui8> block(stream.getSize());
|
|
stream.read(block.data(), block.size());
|
|
ret.push_back(block);
|
|
ret.back().shrink_to_fit();
|
|
}
|
|
while (!headerOnly && stream.getNextBlock());
|
|
}
|
|
catch (const DecompressionException & e)
|
|
{
|
|
// Some campaigns in French version from gog.com have trailing garbage bytes
|
|
// For example, slayer.h3c consist from 5 parts: header + 4 maps
|
|
// However file also contains ~100 "extra" bytes after those 5 parts are decompressed that do not represent gzip stream
|
|
// leading to exception "Incorrect header check"
|
|
// Since H3 handles these files correctly, simply log this as warning and proceed
|
|
logGlobal->warn("Failed to read file %s. Encountered error during decompression: %s", filename, e.what());
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
VideoPath CampaignHandler::prologVideoName(ui8 index)
|
|
{
|
|
JsonNode config(JsonPath::builtin("CONFIG/campaignMedia"));
|
|
auto vids = config["videos"].Vector();
|
|
if(index < vids.size())
|
|
return VideoPath::fromJson(vids[index]);
|
|
return VideoPath();
|
|
}
|
|
|
|
AudioPath CampaignHandler::prologMusicName(ui8 index)
|
|
{
|
|
std::vector<std::string> music;
|
|
return AudioPath::builtinTODO(VLC->generaltexth->translate("core.cmpmusic." + std::to_string(static_cast<int>(index))));
|
|
}
|
|
|
|
AudioPath CampaignHandler::prologVoiceName(ui8 index)
|
|
{
|
|
JsonNode config(JsonPath::builtin("CONFIG/campaignMedia"));
|
|
auto audio = config["voice"].Vector();
|
|
if(index < audio.size())
|
|
return AudioPath::fromJson(audio[index]);
|
|
return AudioPath();
|
|
}
|
|
|
|
VCMI_LIB_NAMESPACE_END
|