mirror of
https://github.com/vcmi/vcmi.git
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383 lines
10 KiB
C++
383 lines
10 KiB
C++
/*
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* cmodmanager.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 "cmodmanager.h"
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#include "../../lib/VCMIDirs.h"
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#include "../../lib/filesystem/Filesystem.h"
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#include "../../lib/filesystem/CZipLoader.h"
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#include "../../lib/modding/CModHandler.h"
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#include "../../lib/modding/CModInfo.h"
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#include "../../lib/modding/IdentifierStorage.h"
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#include "../jsonutils.h"
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#include "../launcherdirs.h"
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#include <future>
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namespace
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{
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QString detectModArchive(QString path, QString modName, std::vector<std::string> & filesToExtract)
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{
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try {
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ZipArchive archive(qstringToPath(path));
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filesToExtract = archive.listFiles();
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}
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catch (const std::runtime_error & e)
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{
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logGlobal->error("Failed to open zip archive. Reason: %s", e.what());
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return "";
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}
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QString modDirName;
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for(int folderLevel : {0, 1}) //search in subfolder if there is no mod.json in the root
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{
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for(auto file : filesToExtract)
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{
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QString filename = QString::fromUtf8(file.c_str());
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modDirName = filename.section('/', 0, folderLevel);
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if(filename == modDirName + "/mod.json")
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{
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return modDirName;
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}
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}
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}
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logGlobal->error("Failed to detect mod path in archive!");
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logGlobal->debug("List of file in archive:");
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for(auto file : filesToExtract)
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logGlobal->debug("%s", file.c_str());
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return "";
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}
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}
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CModManager::CModManager(CModList * modList)
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: modList(modList)
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{
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loadMods();
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loadModSettings();
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}
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QString CModManager::settingsPath()
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{
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return pathToQString(VCMIDirs::get().userConfigPath() / "modSettings.json");
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}
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void CModManager::loadModSettings()
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{
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modSettings = JsonUtils::JsonFromFile(settingsPath()).toMap();
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modList->setModSettings(modSettings["activeMods"]);
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}
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void CModManager::resetRepositories()
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{
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modList->resetRepositories();
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}
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void CModManager::loadRepositories(QVector<QVariantMap> repomap)
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{
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for (auto const & entry : repomap)
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modList->addRepository(entry);
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modList->reloadRepositories();
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}
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void CModManager::loadMods()
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{
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CModHandler handler;
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handler.loadMods();
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auto installedMods = handler.getAllMods();
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localMods.clear();
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for(auto modname : installedMods)
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{
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auto resID = CModInfo::getModFile(modname);
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if(CResourceHandler::get()->existsResource(resID))
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{
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//calculate mod size
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qint64 total = 0;
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ResourcePath resDir(CModInfo::getModDir(modname), EResType::DIRECTORY);
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if(CResourceHandler::get()->existsResource(resDir))
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{
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for(QDirIterator iter(QString::fromStdString(CResourceHandler::get()->getResourceName(resDir)->string()), QDirIterator::Subdirectories); iter.hasNext(); iter.next())
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total += iter.fileInfo().size();
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}
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boost::filesystem::path name = *CResourceHandler::get()->getResourceName(resID);
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auto mod = JsonUtils::JsonFromFile(pathToQString(name));
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auto json = JsonUtils::toJson(mod);
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json["localSizeBytes"].Float() = total;
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if(!name.is_absolute())
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json["storedLocally"].Bool() = true;
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mod = JsonUtils::toVariant(json);
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localMods.insert(QString::fromUtf8(modname.c_str()).toLower(), mod);
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}
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}
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modList->setLocalModList(localMods);
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}
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bool CModManager::addError(QString modname, QString message)
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{
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recentErrors.push_back(QString("%1: %2").arg(modname).arg(message));
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return false;
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}
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QStringList CModManager::getErrors()
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{
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QStringList ret = recentErrors;
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recentErrors.clear();
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return ret;
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}
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bool CModManager::installMod(QString modname, QString archivePath)
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{
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return canInstallMod(modname) && doInstallMod(modname, archivePath);
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}
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bool CModManager::uninstallMod(QString modname)
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{
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return canUninstallMod(modname) && doUninstallMod(modname);
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}
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bool CModManager::enableMod(QString modname)
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{
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return canEnableMod(modname) && doEnableMod(modname, true);
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}
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bool CModManager::disableMod(QString modname)
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{
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return canDisableMod(modname) && doEnableMod(modname, false);
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}
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bool CModManager::canInstallMod(QString modname)
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{
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auto mod = modList->getMod(modname);
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if(mod.isSubmod())
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return addError(modname, tr("Can not install submod"));
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if(mod.isInstalled())
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return addError(modname, tr("Mod is already installed"));
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return true;
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}
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bool CModManager::canUninstallMod(QString modname)
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{
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auto mod = modList->getMod(modname);
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if(mod.isSubmod())
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return addError(modname, tr("Can not uninstall submod"));
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if(!mod.isInstalled())
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return addError(modname, tr("Mod is not installed"));
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return true;
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}
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bool CModManager::canEnableMod(QString modname)
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{
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auto mod = modList->getMod(modname);
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if(mod.isEnabled())
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return addError(modname, tr("Mod is already enabled"));
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if(!mod.isInstalled())
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return addError(modname, tr("Mod must be installed first"));
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//check for compatibility
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if(!mod.isCompatible())
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return addError(modname, tr("Mod is not compatible, please update VCMI and checkout latest mod revisions"));
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for(auto modEntry : mod.getDependencies())
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{
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if(!modList->hasMod(modEntry)) // required mod is not available
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return addError(modname, tr("Required mod %1 is missing").arg(modEntry));
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CModEntry modData = modList->getMod(modEntry);
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if(!modData.isCompatibilityPatch() && !modData.isEnabled())
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return addError(modname, tr("Required mod %1 is not enabled").arg(modEntry));
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}
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for(QString modEntry : modList->getModList())
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{
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auto mod = modList->getMod(modEntry);
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// "reverse conflict" - enabled mod has this one as conflict
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if(mod.isEnabled() && mod.getConflicts().contains(modname))
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return addError(modname, tr("This mod conflicts with %1").arg(modEntry));
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}
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for(auto modEntry : mod.getConflicts())
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{
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// check if conflicting mod installed and enabled
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if(modList->hasMod(modEntry) && modList->getMod(modEntry).isEnabled())
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return addError(modname, tr("This mod conflicts with %1").arg(modEntry));
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}
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return true;
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}
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bool CModManager::canDisableMod(QString modname)
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{
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auto mod = modList->getMod(modname);
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if(mod.isDisabled())
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return addError(modname, tr("Mod is already disabled"));
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if(!mod.isInstalled())
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return addError(modname, tr("Mod must be installed first"));
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for(QString modEntry : modList->getModList())
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{
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auto current = modList->getMod(modEntry);
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if(current.getDependencies().contains(modname) && current.isEnabled())
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return addError(modname, tr("This mod is needed to run %1").arg(modEntry));
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}
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return true;
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}
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static QVariant writeValue(QString path, QVariantMap input, QVariant value)
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{
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if(path.size() > 1)
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{
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QString entryName = path.section('/', 0, 1);
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QString remainder = "/" + path.section('/', 2, -1);
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entryName.remove(0, 1);
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input.insert(entryName, writeValue(remainder, input.value(entryName).toMap(), value));
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return input;
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}
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else
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{
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return value;
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}
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}
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bool CModManager::doEnableMod(QString mod, bool on)
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{
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QString path = mod;
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path = "/activeMods/" + path.replace(".", "/mods/") + "/active";
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modSettings = writeValue(path, modSettings, QVariant(on)).toMap();
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modList->setModSettings(modSettings["activeMods"]);
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modList->modChanged(mod);
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JsonUtils::JsonToFile(settingsPath(), modSettings);
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return true;
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}
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bool CModManager::doInstallMod(QString modname, QString archivePath)
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{
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const auto destDir = CLauncherDirs::modsPath() + QChar{'/'};
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if(!QFile(archivePath).exists())
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return addError(modname, tr("Mod archive is missing"));
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if(localMods.contains(modname))
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return addError(modname, tr("Mod with such name is already installed"));
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std::vector<std::string> filesToExtract;
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QString modDirName = ::detectModArchive(archivePath, modname, filesToExtract);
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if(!modDirName.size())
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return addError(modname, tr("Mod archive is invalid or corrupted"));
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std::atomic<int> filesCounter = 0;
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auto futureExtract = std::async(std::launch::async, [&archivePath, &destDir, &filesCounter, &filesToExtract]()
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{
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const auto destDirFsPath = qstringToPath(destDir);
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ZipArchive archive(qstringToPath(archivePath));
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for (auto const & file : filesToExtract)
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{
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if (!archive.extract(destDirFsPath, file))
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return false;
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++filesCounter;
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}
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return true;
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});
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while(futureExtract.wait_for(std::chrono::milliseconds(10)) != std::future_status::ready)
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{
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emit extractionProgress(filesCounter, filesToExtract.size());
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qApp->processEvents();
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}
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if(!futureExtract.get())
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{
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removeModDir(destDir + modDirName);
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return addError(modname, tr("Failed to extract mod data"));
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}
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//rename folder and fix the path
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QDir extractedDir(destDir + modDirName);
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auto rc = QFile::rename(destDir + modDirName, destDir + modname);
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if (rc)
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extractedDir.setPath(destDir + modname);
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//there are possible excessive files - remove them
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QString upperLevel = modDirName.section('/', 0, 0);
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if(upperLevel != modDirName)
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removeModDir(destDir + upperLevel);
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CResourceHandler::get("initial")->updateFilteredFiles([](const std::string &) { return true; });
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loadMods();
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modList->reloadRepositories();
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return true;
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}
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bool CModManager::doUninstallMod(QString modname)
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{
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ResourcePath resID(std::string("Mods/") + modname.toStdString(), EResType::DIRECTORY);
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// Get location of the mod, in case-insensitive way
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QString modDir = pathToQString(*CResourceHandler::get()->getResourceName(resID));
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if(!QDir(modDir).exists())
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return addError(modname, tr("Data with this mod was not found"));
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QDir modFullDir(modDir);
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if(!removeModDir(modDir))
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return addError(modname, tr("Mod is located in protected directory, please remove it manually:\n") + modFullDir.absolutePath());
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CResourceHandler::get("initial")->updateFilteredFiles([](const std::string &){ return true; });
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loadMods();
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modList->reloadRepositories();
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return true;
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}
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bool CModManager::removeModDir(QString path)
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{
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// issues 2673 and 2680 its why you do not recursively remove without sanity check
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QDir checkDir(path);
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QDir dir(path);
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if(!checkDir.cdUp() || QString::compare("Mods", checkDir.dirName(), Qt::CaseInsensitive))
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return false;
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#ifndef VCMI_MOBILE // ios and android applications are stored in the isolated container
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if(!checkDir.cdUp() || QString::compare("vcmi", checkDir.dirName(), Qt::CaseInsensitive))
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return false;
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if(!dir.absolutePath().contains("vcmi", Qt::CaseInsensitive))
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return false;
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#endif
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if(!dir.absolutePath().contains("Mods", Qt::CaseInsensitive))
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return false;
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return dir.removeRecursively();
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}
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