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-rw-r--r--libs/installer_fomod_plus/installer/lib/ConditionTester.cpp176
-rw-r--r--libs/installer_fomod_plus/installer/lib/ConditionTester.h42
-rw-r--r--libs/installer_fomod_plus/installer/lib/CrashHandler.cpp122
-rw-r--r--libs/installer_fomod_plus/installer/lib/CrashHandler.h20
-rw-r--r--libs/installer_fomod_plus/installer/lib/FileInstaller.cpp274
-rw-r--r--libs/installer_fomod_plus/installer/lib/FileInstaller.h94
-rw-r--r--libs/installer_fomod_plus/installer/lib/FlagMap.h113
-rw-r--r--libs/installer_fomod_plus/installer/lib/Logger.h118
-rw-r--r--libs/installer_fomod_plus/installer/lib/ViewModels.h120
9 files changed, 1079 insertions, 0 deletions
diff --git a/libs/installer_fomod_plus/installer/lib/ConditionTester.cpp b/libs/installer_fomod_plus/installer/lib/ConditionTester.cpp
new file mode 100644
index 0000000..c35bf47
--- /dev/null
+++ b/libs/installer_fomod_plus/installer/lib/ConditionTester.cpp
@@ -0,0 +1,176 @@
+#include "ConditionTester.h"
+
+#include "ui/FomodViewModel.h"
+
+#include <iplugingame.h>
+#include <ipluginlist.h>
+
+std::string setToString(const std::set<int> &set)
+{
+ std::string str;
+ for (const auto& i : set) {
+ str += std::to_string(i) + ", ";
+ }
+ return str;
+}
+
+bool ConditionTester::isStepVisible(const std::shared_ptr<FlagMap>& flags,
+ const CompositeDependency& compositeDependency,
+ const int stepIndex,
+ const std::vector<std::shared_ptr<StepViewModel>>& steps) const
+{
+
+ // first things first: is it visible?
+ if (!testCompositeDependency(flags, compositeDependency)) {
+ return false;
+ }
+
+ const auto flagDependencies = compositeDependency.flagDependencies;
+ if (flagDependencies.empty()) {
+ return true;
+ }
+
+ std::set<int> stepsThatSetThisFlag;
+
+ for (const auto& flagDependency : flagDependencies) {
+ // for this flag, find the plugins that set it
+ for (int i = stepIndex - 1; i >= 0; --i) {
+ for (const auto& group : steps[i]->getGroups()) {
+ for (const auto& plugin : group->getPlugins()) {
+ if (std::ranges::any_of(plugin->getPlugin()->conditionFlags.flags,
+ [&flagDependency](const ConditionFlag& flag) {
+ return flag.name == flagDependency.flag && flag.value == flagDependency.value;
+ })) {
+ stepsThatSetThisFlag.insert(i);
+ }
+ }
+ }
+ }
+ }
+ const auto anyVisible = std::ranges::any_of(stepsThatSetThisFlag, [this, &steps, &flags](const int index) {
+ return isStepVisible(flags, steps[index]->getVisibilityConditions(), index, steps);
+ });
+ if (!anyVisible) {
+ log.logMessage(DEBUG, "Step " + steps[stepIndex]->getName() + " has no dependent steps that are visible.");
+ log.logMessage(DEBUG, "Steps that set this flag: " + setToString(stepsThatSetThisFlag));
+ }
+ return anyVisible;
+
+}
+
+bool ConditionTester::testCompositeDependency(const std::shared_ptr<FlagMap>& flags,
+ const CompositeDependency& compositeDependency) const
+{
+ const auto fileDependencies = compositeDependency.fileDependencies;
+ const auto flagDependencies = compositeDependency.flagDependencies;
+ const auto gameDependencies = compositeDependency.gameDependencies;
+ const auto nestedDependencies = compositeDependency.nestedDependencies;
+ const auto globalOperatorType = compositeDependency.operatorType;
+
+ // For the globalOperatorType
+ // Evaluate all conditions and store the results in a vector<bool>, then return based on operator.
+ // These aren't expensive to calculate so rather than do some fancy logic to short-circuit, just calculate all of 'em.
+ std::vector<bool> results;
+ for (const auto& fileDependency : fileDependencies) {
+ results.emplace_back(testFileDependency(fileDependency));
+ }
+ for (const auto& flagDependency : flagDependencies) {
+ results.emplace_back(testFlagDependency(flags, flagDependency));
+ }
+ for (const auto& gameDependency : gameDependencies) {
+ results.emplace_back(testGameDependency(gameDependency));
+ }
+ for (const auto& nestedDependency : nestedDependencies) {
+ results.emplace_back(testCompositeDependency(flags, nestedDependency));
+ }
+
+ if (globalOperatorType == OperatorTypeEnum::AND) {
+ return std::ranges::all_of(results, [](const bool result) { return result; });
+ }
+ return std::ranges::any_of(results, [](const bool result) { return result; });
+}
+
+
+bool ConditionTester::testFlagDependency(const std::shared_ptr<FlagMap>& flags, const FlagDependency& flagDependency)
+{
+ // Every instance of this flag being set in the map.
+ const auto flagList = flags->getFlagsByKey(flagDependency.flag);
+
+ // Find the first instance of this flag being set (in the order specified by getFlagsByKey)
+ if (flagList.empty()) {
+ // If the dependency value is an empty string, it means this flag should be unset.
+ // So if we don't have any value for this flag, the result is true.
+ return flagDependency.value.empty();
+ }
+
+ return flagList.front().second == flagDependency.value;
+}
+
+bool ConditionTester::testFileDependency(const FileDependency& fileDependency) const
+{
+ const std::string& pluginName = fileDependency.file;
+ const auto pluginState = getFileDependencyStateForPlugin(pluginName);
+ return pluginState == fileDependency.state;
+}
+
+bool ConditionTester::testGameDependency(const GameDependency& gameDependency) const
+{
+ const auto gameVersion = mOrganizer->managedGame()->gameVersion().toStdString();
+ log.logMessage(DEBUG, "Comparing condition version " + gameDependency.version + " against " + gameVersion);
+ if ( gameDependency.version <= gameVersion) {
+ log.logMessage(DEBUG, "Version matches!");
+ }
+ return gameDependency.version <= gameVersion;
+}
+
+FileDependencyTypeEnum ConditionTester::getFileDependencyStateForPlugin(const std::string& pluginName) const
+{
+ if (const auto it = pluginStateCache.find(pluginName); it != pluginStateCache.end()) {
+ return it->second;
+ }
+
+ const QFlags<MOBase::IPluginList::PluginState> pluginState = mOrganizer->pluginList()->state(
+ QString::fromStdString(pluginName));
+
+ FileDependencyTypeEnum state;
+
+ if (pluginState == MOBase::IPluginList::STATE_MISSING) {
+ state = FileDependencyTypeEnum::Missing;
+ } else if (pluginState == MOBase::IPluginList::STATE_INACTIVE) {
+ state = FileDependencyTypeEnum::Inactive;
+ } else if (pluginState == MOBase::IPluginList::STATE_ACTIVE) {
+ state = FileDependencyTypeEnum::Active;
+ } else {
+ state = FileDependencyTypeEnum::UNKNOWN_STATE;
+ }
+
+ pluginStateCache[pluginName] = state;
+ return state;
+}
+
+PluginTypeEnum ConditionTester::getPluginTypeDescriptorState(const std::shared_ptr<Plugin>& plugin,
+ const std::shared_ptr<FlagMap>& flags) const
+{
+ // NOTE: A plugin's ConditionFlags aren't the same thing as a step visibility one.
+ // A plugin's ConditionFlags are toggled based on the selection state of the plugin
+ // We only evaluate the typeDescriptor here.
+
+ // We will return the 'winning' type or the default. If multiple conditions are met,
+ // ...well, I'm not sure.
+ // ReSharper disable once CppTooWideScopeInitStatement
+ const auto& dependencyType = plugin->typeDescriptor.dependencyType;
+ for (const auto& pattern : dependencyType.patterns.patterns) {
+ if (testCompositeDependency(flags, pattern.dependencies)) {
+ return pattern.type;
+ }
+ }
+
+ // Sometimes authors do this.
+ if (plugin->typeDescriptor.type != PluginTypeEnum::Optional) {
+ return plugin->typeDescriptor.type;
+ }
+ if (plugin->typeDescriptor.dependencyType.defaultType.has_value()) {
+ return plugin->typeDescriptor.dependencyType.defaultType.value();
+ }
+ return PluginTypeEnum::Optional;
+} \ No newline at end of file
diff --git a/libs/installer_fomod_plus/installer/lib/ConditionTester.h b/libs/installer_fomod_plus/installer/lib/ConditionTester.h
new file mode 100644
index 0000000..09aa26e
--- /dev/null
+++ b/libs/installer_fomod_plus/installer/lib/ConditionTester.h
@@ -0,0 +1,42 @@
+#pragma once
+
+#include <imoinfo.h>
+
+#include "FlagMap.h"
+#include "Logger.h"
+#include "xml/ModuleConfiguration.h"
+
+class CompositeDependency;
+class StepViewModel;
+
+class ConditionTester {
+public:
+ explicit ConditionTester(MOBase::IOrganizer* organizer) : mOrganizer(organizer) {}
+
+ bool isStepVisible(const std::shared_ptr<FlagMap>& flags, const CompositeDependency& compositeDependency,
+ int stepIndex,
+ const std::vector<std::shared_ptr<StepViewModel>>& steps) const;
+
+ bool testCompositeDependency(const std::shared_ptr<FlagMap>& flags,
+ const CompositeDependency& compositeDependency) const;
+
+ static bool testFlagDependency(const std::shared_ptr<FlagMap>& flags, const FlagDependency& flagDependency);
+
+ [[nodiscard]] bool testFileDependency(const FileDependency& fileDependency) const;
+
+ bool testGameDependency(const GameDependency& gameDependency) const;
+
+private:
+ Logger& log = Logger::getInstance();
+ MOBase::IOrganizer* mOrganizer;
+
+ friend class FomodViewModel;
+
+ [[nodiscard]] FileDependencyTypeEnum getFileDependencyStateForPlugin(const std::string& pluginName) const;
+
+ PluginTypeEnum getPluginTypeDescriptorState(const std::shared_ptr<Plugin>& plugin,
+ const std::shared_ptr<FlagMap>& flags) const;
+
+ mutable std::unordered_map<std::string, FileDependencyTypeEnum> pluginStateCache;
+
+};
diff --git a/libs/installer_fomod_plus/installer/lib/CrashHandler.cpp b/libs/installer_fomod_plus/installer/lib/CrashHandler.cpp
new file mode 100644
index 0000000..98ed1f3
--- /dev/null
+++ b/libs/installer_fomod_plus/installer/lib/CrashHandler.cpp
@@ -0,0 +1,122 @@
+#include "CrashHandler.h"
+#include <iostream>
+
+#ifdef _WIN32
+#include <windows.h>
+#include <dbghelp.h>
+#include <sstream>
+#include <fstream>
+
+LPTOP_LEVEL_EXCEPTION_FILTER CrashHandler::previousFilter = nullptr;
+PVOID CrashHandler::vectoredHandler = nullptr;
+#endif
+
+void CrashHandler::initialize() {
+#ifdef _WIN32
+ std::cout << "CrashHandler initializing..." << std::endl;
+ vectoredHandler = AddVectoredExceptionHandler(1, vectoredExceptionHandler);
+ previousFilter = SetUnhandledExceptionFilter(unhandledExceptionFilter);
+ std::cout << "CrashHandler initialized successfully" << std::endl;
+#else
+ // No-op on Linux — Windows crash handler not needed.
+#endif
+}
+
+void CrashHandler::cleanup() {
+#ifdef _WIN32
+ if (vectoredHandler) {
+ RemoveVectoredExceptionHandler(vectoredHandler);
+ vectoredHandler = nullptr;
+ }
+ if (previousFilter) {
+ SetUnhandledExceptionFilter(previousFilter);
+ previousFilter = nullptr;
+ }
+#endif
+}
+
+#ifdef _WIN32
+LONG WINAPI CrashHandler::vectoredExceptionHandler(EXCEPTION_POINTERS* exceptionInfo) {
+ // Log all exceptions but only create dumps for serious ones
+ std::cout << "Exception caught: 0x" << std::hex << exceptionInfo->ExceptionRecord->ExceptionCode << std::endl;
+
+ // Only create dumps for serious crashes, not benign exceptions
+ if (exceptionInfo->ExceptionRecord->ExceptionCode == EXCEPTION_ACCESS_VIOLATION ||
+ exceptionInfo->ExceptionRecord->ExceptionCode == EXCEPTION_STACK_OVERFLOW ||
+ exceptionInfo->ExceptionRecord->ExceptionCode == EXCEPTION_ILLEGAL_INSTRUCTION) {
+
+ // For stack overflow, we need to handle it on a different thread with its own stack
+ if (exceptionInfo->ExceptionRecord->ExceptionCode == EXCEPTION_STACK_OVERFLOW) {
+ // Create a new thread to handle the crash dump since our stack is corrupted
+ HANDLE dumpThread = CreateThread(nullptr, 0, [](LPVOID param) -> DWORD {
+ auto* exceptionInfo = static_cast<EXCEPTION_POINTERS*>(param);
+ logCrashInfo(exceptionInfo);
+
+ HANDLE file = CreateFileA("fomod_plus_stack_overflow.dmp", GENERIC_WRITE, 0, nullptr,
+ CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
+
+ if (file != INVALID_HANDLE_VALUE) {
+ MINIDUMP_EXCEPTION_INFORMATION dumpInfo = {0};
+ dumpInfo.ThreadId = GetCurrentThreadId();
+ dumpInfo.ExceptionPointers = exceptionInfo;
+ dumpInfo.ClientPointers = FALSE;
+
+ MiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(), file,
+ MiniDumpNormal, &dumpInfo, nullptr, nullptr);
+ CloseHandle(file);
+
+ std::cout << "Stack overflow crash dump written to fomod_plus_stack_overflow.dmp" << std::endl;
+ }
+ return 0;
+ }, exceptionInfo, 0, nullptr);
+
+ if (dumpThread) {
+ WaitForSingleObject(dumpThread, 5000); // Wait up to 5 seconds
+ CloseHandle(dumpThread);
+ }
+ } else {
+ logCrashInfo(exceptionInfo);
+
+ // Generate minidump
+ HANDLE file = CreateFileA("fomod_plus_crash.dmp", GENERIC_WRITE, 0, nullptr,
+ CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
+
+ if (file != INVALID_HANDLE_VALUE) {
+ MINIDUMP_EXCEPTION_INFORMATION dumpInfo = {0};
+ dumpInfo.ThreadId = GetCurrentThreadId();
+ dumpInfo.ExceptionPointers = exceptionInfo;
+ dumpInfo.ClientPointers = FALSE;
+
+ MiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(), file,
+ MiniDumpNormal, &dumpInfo, nullptr, nullptr);
+ CloseHandle(file);
+
+ std::cout << "Crash dump written to fomod_plus_crash.dmp" << std::endl;
+ }
+ }
+ }
+
+ return EXCEPTION_CONTINUE_SEARCH; // Let other handlers process it
+}
+
+LONG WINAPI CrashHandler::unhandledExceptionFilter(EXCEPTION_POINTERS* exceptionInfo) {
+ logCrashInfo(exceptionInfo);
+ return EXCEPTION_EXECUTE_HANDLER;
+}
+
+void CrashHandler::logCrashInfo(const EXCEPTION_POINTERS* exceptionInfo) {
+ std::ostringstream oss;
+ oss << "FOMOD PLUS CRASH DETECTED!" << std::endl;
+ oss << "Exception Code: 0x" << std::hex << exceptionInfo->ExceptionRecord->ExceptionCode << std::endl;
+ oss << "Exception Address: 0x" << std::hex << exceptionInfo->ExceptionRecord->ExceptionAddress << std::endl;
+
+ // Write to stdout immediately
+ std::cout << oss.str() << std::endl;
+
+ // Also write to crash log file
+ std::ofstream crashLog("fomod_plus_crash.log", std::ios::app);
+ if (crashLog.is_open()) {
+ crashLog << oss.str() << std::endl;
+ }
+}
+#endif
diff --git a/libs/installer_fomod_plus/installer/lib/CrashHandler.h b/libs/installer_fomod_plus/installer/lib/CrashHandler.h
new file mode 100644
index 0000000..78c8552
--- /dev/null
+++ b/libs/installer_fomod_plus/installer/lib/CrashHandler.h
@@ -0,0 +1,20 @@
+#pragma once
+
+#ifdef _WIN32
+#include <windows.h>
+#endif
+
+class CrashHandler {
+public:
+ static void initialize();
+ static void cleanup();
+
+private:
+#ifdef _WIN32
+ static LONG WINAPI unhandledExceptionFilter(EXCEPTION_POINTERS* exceptionInfo);
+ static LONG WINAPI vectoredExceptionHandler(EXCEPTION_POINTERS* exceptionInfo);
+ static void logCrashInfo(const EXCEPTION_POINTERS* exceptionInfo);
+ static LPTOP_LEVEL_EXCEPTION_FILTER previousFilter;
+ static PVOID vectoredHandler;
+#endif
+};
diff --git a/libs/installer_fomod_plus/installer/lib/FileInstaller.cpp b/libs/installer_fomod_plus/installer/lib/FileInstaller.cpp
new file mode 100644
index 0000000..e47e088
--- /dev/null
+++ b/libs/installer_fomod_plus/installer/lib/FileInstaller.cpp
@@ -0,0 +1,274 @@
+#include "FileInstaller.h"
+
+#include <utility>
+
+#include "ui/FomodViewModel.h"
+
+using namespace MOBase;
+
+FileInstaller::FileInstaller(
+ IOrganizer* organizer,
+ QString fomodPath,
+ const std::shared_ptr<IFileTree>& fileTree,
+ std::unique_ptr<ModuleConfiguration> fomodFile,
+ const std::shared_ptr<FlagMap>& flagMap,
+ const std::vector<std::shared_ptr<StepViewModel> >& steps) : mOrganizer(organizer),
+ mFomodPath(std::move(fomodPath)),
+ mFileTree(fileTree),
+ mFomodFile(std::move(fomodFile)),
+ mFlagMap(flagMap),
+ mConditionTester(organizer), mSteps(steps)
+{
+ const auto requiredCount =
+ (mFomodFile != nullptr) ? mFomodFile->requiredInstallFiles.files.size() : 0;
+ const auto stepCount = mSteps.size();
+ logMessage(DEBUG,
+ "FileInstaller constructed. steps=" + std::to_string(stepCount) + ", required files=" +
+ std::to_string(requiredCount) + ", fomodPath=" + mFomodPath.toStdString());
+}
+
+std::shared_ptr<IFileTree> FileInstaller::install() const
+{
+ logMessage(DEBUG, "Starting FileInstaller::install()");
+ const auto filesToInstall = collectFilesToInstall();
+ logMessage(INFO, "Installing " + std::to_string(filesToInstall.size()) + " files");
+ logMessage(INFO, "FlagMap");
+ logMessage(INFO, mFlagMap->toString());
+
+ // update the file tree with the new files
+ const std::shared_ptr<IFileTree> installTree = mFileTree->createOrphanTree();
+
+ for (const auto& file : filesToInstall) {
+
+ logMessage(DEBUG,
+ "Processing install entry source=" + file.source + ", destination=" +
+ (file.destination.has_value() ? file.destination.value() : "<default>") +
+ ", priority=" + std::to_string(file.priority));
+ const auto sourcePath = getQualifiedFilePath(file.source);
+ const auto sourceNode = mFileTree->find(QString::fromStdString(sourcePath));
+ if (sourceNode == nullptr) {
+ logMessage(ERR, "Could not find source: " + file.source);
+ continue;
+ }
+ const auto targetPath = file.destination.has_value()
+ ? QString::fromStdString(file.destination.value())
+ : QString::fromStdString(sourcePath);
+
+ // If it's a folder, copy the contents of the folder, not the folder itself.
+ if (sourceNode->isDir()) {
+ logMessage(DEBUG,
+ "Copying directory '" + file.source + "' into target '" + targetPath.toStdString() +
+ "'");
+ // TODO: Check if target path is literally undefined/null
+ const auto& tree = sourceNode->astree();
+ for (auto it = tree->begin(); it != tree->end(); ++it) {
+ const auto& entry = *it;
+ const auto path = targetPath.isEmpty() ? entry->name() : targetPath + "/" + entry->name();
+ logMessage(DEBUG,
+ " Copying entry '" + entry->name().toStdString() + "' to '" +
+ path.toStdString() + "'");
+ installTree->copy(entry, path, IFileTree::InsertPolicy::MERGE);
+ }
+ } else {
+ logMessage(DEBUG,
+ "Copying file '" + file.source + "' to '" + targetPath.toStdString() + "'");
+ installTree->copy(sourceNode, targetPath, IFileTree::InsertPolicy::MERGE);
+ }
+ }
+
+ // This file will be written by the InstallationManager later.
+ const auto jsonFilePath = "fomod.json";
+ installTree->addFile(QString::fromStdString(jsonFilePath), true);
+ logMessage(DEBUG, "Added fomod.json placeholder file to install tree.");
+
+ logMessage(DEBUG, "FileInstaller::install completed.");
+ return installTree;
+}
+
+nlohmann::json FileInstaller::generateFomodJson() const
+{
+ nlohmann::json fomodJson;
+ logMessage(DEBUG, "Generating fomod.json representation for " + std::to_string(mSteps.size()) +
+ " steps.");
+
+ fomodJson["steps"] = nlohmann::json::array();
+ for (const auto& stepViewModel : mSteps) {
+ auto stepJson = nlohmann::json::object();
+ stepJson["name"] = stepViewModel->getName();
+ stepJson["groups"] = nlohmann::json::array();
+ logMessage(DEBUG, "Serializing step '" + stepViewModel->getName() + "'");
+
+ for (const auto& groupViewModel : stepViewModel->getGroups()) {
+ auto groupJson = nlohmann::json::object();
+ groupJson["name"] = groupViewModel->getName();
+ auto pluginArray = nlohmann::json::array();
+ auto deselectedArray = nlohmann::json::array();
+ logMessage(DEBUG,
+ " Serializing group '" + groupViewModel->getName() +
+ "' with " + std::to_string(groupViewModel->getPlugins().size()) + " plugins");
+
+ for (const auto& pluginViewModel : groupViewModel->getPlugins()) {
+ logMessage(DEBUG,
+ " Plugin '" + pluginViewModel->getName() + "' selected=" +
+ (pluginViewModel->isSelected() ? "true" : "false") + ", manually-set=" +
+ (pluginViewModel->wasManuallySet() ? "true" : "false"));
+ if (pluginViewModel->isSelected()) {
+ pluginArray.emplace_back(pluginViewModel->getName());
+ }
+ // Add deselected plugins here. (TODO: This will be replaced with an embedded db.)
+ if (!pluginViewModel->isSelected() && pluginViewModel->wasManuallySet()) {
+ deselectedArray.emplace_back(pluginViewModel->getName());
+ }
+ }
+ groupJson["plugins"] = pluginArray;
+ groupJson["deselected"] = deselectedArray;
+ stepJson["groups"].emplace_back(groupJson);
+ }
+ fomodJson["steps"].emplace_back(stepJson);
+ }
+ return fomodJson;
+}
+
+std::string FileInstaller::getQualifiedFilePath(const std::string& treePath) const
+{
+ // We need to prepend the fomod path to whatever source we reference. Guess we're passing that path around.
+ const auto qualifiedPath = mFomodPath.toStdString() + "/" + treePath;
+ logMessage(DEBUG, "Qualifying tree path '" + treePath + "' to '" + qualifiedPath + "'");
+ return qualifiedPath;
+}
+
+std::vector<std::string> FileInstaller::collectPositiveFileNamesFromDependencyPatterns(
+ const std::vector<DependencyPattern>& patterns)
+{
+ std::vector<std::string> usableFileDependencyPluginNames = {};
+ logMessage(DEBUG,
+ "Collecting positive file names from " + std::to_string(patterns.size()) + " patterns.");
+
+ for (const auto& pattern : patterns) {
+ if (pattern.type == PluginTypeEnum::NotUsable) {
+ logMessage(DEBUG, "Skipping pattern marked as NotUsable.");
+ continue;
+ }
+
+ if (pattern.dependencies.fileDependencies.empty() && pattern.dependencies.nestedDependencies.empty()) {
+ logMessage(DEBUG, "Skipping pattern with no dependencies.");
+ continue;
+ }
+
+ const auto fileDependencies = pattern.dependencies.fileDependencies;
+ const auto nestedDependencies = pattern.dependencies.nestedDependencies;
+
+ for (const auto& fileDependency : fileDependencies) {
+ if (fileDependency.state != FileDependencyTypeEnum::Active) {
+ continue;
+ }
+ usableFileDependencyPluginNames.emplace_back(fileDependency.file);
+ logMessage(DEBUG, "Adding active file dependency: " + fileDependency.file);
+ }
+
+ for (const auto& nestedDependency : nestedDependencies) {
+ for (const auto& fileDependency : nestedDependency.fileDependencies) {
+ if (fileDependency.state != FileDependencyTypeEnum::Active) {
+ continue;
+ }
+ usableFileDependencyPluginNames.emplace_back(fileDependency.file);
+ logMessage(DEBUG, "Adding nested active file dependency: " + fileDependency.file);
+ }
+ }
+ // Not handling twice-nested dependencies now. IDK if that's even feasible.
+ }
+
+ logMessage(DEBUG,
+ "CollectPositiveFileNamesFromDependencyPatterns found " +
+ std::to_string(usableFileDependencyPluginNames.size()) + " entries.");
+ return usableFileDependencyPluginNames;
+}
+
+// Generic vector appender
+void FileInstaller::addFiles(std::vector<File>& main, std::vector<File> toAdd) const
+{
+ for (const auto& add : toAdd) {
+ logMessage(INFO, "Adding file with source: " + add.source);
+ }
+ main.insert(main.end(), toAdd.begin(), toAdd.end());
+ logMessage(DEBUG,
+ "addFiles merged " + std::to_string(toAdd.size()) + " files. Total is now " +
+ std::to_string(main.size()));
+}
+
+// TODO: Unclear if we're copying. oh well.
+// TODO: Rebuild flagmap and step indeces before installing
+std::vector<File> FileInstaller::collectFilesToInstall() const
+{
+ logMessage(DEBUG, "collectFilesToInstall started.");
+ std::vector<File> allFiles;
+
+ // Required files from FOMOD
+ const FileList requiredInstallFiles = mFomodFile->requiredInstallFiles;
+ logMessage(DEBUG,
+ "Adding " + std::to_string(requiredInstallFiles.files.size()) +
+ " required install files from fomod.");
+ addFiles(allFiles, requiredInstallFiles.files);
+
+ // Selected files from visible steps
+ for (const auto& stepViewModel : mSteps) {
+ if (!mConditionTester.testCompositeDependency(mFlagMap, stepViewModel->getVisibilityConditions())) {
+ logMessage(DEBUG,
+ "Skipping invisible step '" + stepViewModel->getName() + "'");
+ continue;
+ }
+ logMessage(DEBUG,
+ "Processing visible step '" + stepViewModel->getName() + "' with " +
+ std::to_string(stepViewModel->getGroups().size()) + " groups.");
+ for (const auto& groupViewModel : stepViewModel->getGroups()) {
+ logMessage(DEBUG,
+ " Processing group '" + groupViewModel->getName() + "' with " +
+ std::to_string(groupViewModel->getPlugins().size()) + " plugins.");
+ for (const auto& pluginViewModel : groupViewModel->getPlugins()) {
+ if (pluginViewModel->isSelected()) {
+ logMessage(DEBUG,
+ " Adding selected plugin '" + pluginViewModel->getName() +
+ "' with " +
+ std::to_string(pluginViewModel->getPlugin()->files.files.size()) +
+ " files.");
+ addFiles(allFiles, pluginViewModel->getPlugin()->files.files);
+ } else {
+ logMessage(DEBUG,
+ " Skipping plugin '" + pluginViewModel->getName() +
+ "' (not selected).");
+ }
+ }
+ }
+ }
+
+ // ConditionalInstall files
+ for (const auto conditionals = mFomodFile->conditionalFileInstalls; const auto& pattern : conditionals.patterns) {
+ //<folder source="CR\Dagi-Raht LL\VLrn_Custom Race - Dagi-Raht LL" destination="" priority="2" />
+
+ if (mConditionTester.testCompositeDependency(mFlagMap, pattern.dependencies)) {
+ // also check if the plugins setting these flags are visible. at least one
+
+ addFiles(allFiles, pattern.files.files);
+ logMessage(DEBUG,
+ "Conditional install pattern matched; added " +
+ std::to_string(pattern.files.files.size()) + " files.");
+ } else {
+ logMessage(DEBUG, "Conditional install pattern did not match.");
+ }
+ }
+
+ // Files will all have a default priority of 0 if not specified, so the order should also be informed by the
+ // order they appear within XML. That's why we put conditionalFileInstalls after.
+ logMessage(DEBUG, "Sorting " + std::to_string(allFiles.size()) + " files by priority.");
+ std::ranges::sort(allFiles, [](const auto& a, const auto& b) {
+ return a.priority < b.priority;
+ });
+
+ for (const auto& toInstall : allFiles) {
+ logMessage(DEBUG, "File to install: " + toInstall.source);
+ }
+ logMessage(DEBUG,
+ "collectFilesToInstall completed with " + std::to_string(allFiles.size()) + " files.");
+
+ return allFiles;
+}
diff --git a/libs/installer_fomod_plus/installer/lib/FileInstaller.h b/libs/installer_fomod_plus/installer/lib/FileInstaller.h
new file mode 100644
index 0000000..1c122a7
--- /dev/null
+++ b/libs/installer_fomod_plus/installer/lib/FileInstaller.h
@@ -0,0 +1,94 @@
+#pragma once
+
+#include <ifiletree.h>
+#include <nlohmann/json.hpp>
+
+#include "ConditionTester.h"
+#include "FlagMap.h"
+#include "Logger.h"
+#include "xml/ModuleConfiguration.h"
+
+
+/* This is what legacy fomodInstaller does:
+ modName.update(dialog.getName(), GUESS_USER);
+ return dialog.updateTree(tree);
+
+ This is a link to the legacy updateTree method:
+ https://github.com/ModOrganizer2/modorganizer-installer_fomod/blob/fc263f2d923c704b4853c11ed4f8b8cf3920f30d/src/fomodinstallerdialog.cpp#L546
+
+*/
+
+// Things this should do:
+// - Copy all requiredInstall files
+// - Copy all conditionalInstall files
+// - Copy all selected files from steps that were visible to the user at the point of install
+
+using namespace MOBase;
+
+using FileGlobalIndex = int;
+using FileDescriptor = std::pair<File, FileGlobalIndex>;
+
+class StepViewModel;
+
+class FileInstaller {
+public:
+ FileInstaller(
+ IOrganizer* organizer,
+ QString fomodPath,
+ const std::shared_ptr<IFileTree>& fileTree,
+ std::unique_ptr<ModuleConfiguration> fomodFile,
+ const std::shared_ptr<FlagMap>& flagMap,
+ const std::vector<std::shared_ptr<StepViewModel> >& steps);
+
+ std::shared_ptr<IFileTree> install() const;
+
+ /**
+ * @brief Create a 'fomod.json' file to add to the base of the installTree. Functionally similar to MO2's meta.ini.
+ *
+ * Until there's more utility in the JSON structure itself, it will simply be of this format:
+ * @code
+ * {
+ * "steps": [
+ * {
+ * "name": "Step 1",
+ * "groups": [
+ * {
+ * "name": "Group 1",
+ * "plugins: [
+ * "Plugin1.esp",
+ * "Plugin2.esp"
+ * ]
+ * }
+ * ]
+ * }
+ * ]
+ * }
+ * @endcode
+ *
+ * @return nhlohmann::json
+ */
+ nlohmann::json generateFomodJson() const;
+
+ std::string getQualifiedFilePath(const std::string& treePath) const;
+
+ std::vector<std::string> collectPositiveFileNamesFromDependencyPatterns(const std::vector<DependencyPattern> &patterns);
+
+ void addFiles(std::vector<File>& main, std::vector<File> toAdd) const;
+
+private:
+ IOrganizer* mOrganizer;
+ Logger& log = Logger::getInstance();
+ QString mFomodPath;
+ std::shared_ptr<IFileTree> mFileTree;
+ std::unique_ptr<ModuleConfiguration> mFomodFile;
+ std::shared_ptr<FlagMap> mFlagMap;
+ ConditionTester mConditionTester;
+ std::vector<std::shared_ptr<StepViewModel> > mSteps; // TODO: Maybe this is nasty. Idk.
+
+ std::vector<File> collectFilesToInstall() const;
+
+ void logMessage(LogLevel level, const std::string& message) const
+ {
+ log.logMessage(level, "[INSTALLER] " + message);
+ }
+};
diff --git a/libs/installer_fomod_plus/installer/lib/FlagMap.h b/libs/installer_fomod_plus/installer/lib/FlagMap.h
new file mode 100644
index 0000000..4959cec
--- /dev/null
+++ b/libs/installer_fomod_plus/installer/lib/FlagMap.h
@@ -0,0 +1,113 @@
+#pragma once
+
+#include "ViewModels.h"
+#include "stringutil.h"
+
+#include <ranges>
+#include <string>
+#include <unordered_map>
+
+using Flag = std::pair<std::string, std::string>;
+using FlagList = std::vector<Flag>;
+
+class FlagMap {
+public:
+
+ [[nodiscard]] std::vector<std::shared_ptr<PluginViewModel>> getPluginsSettingFlag(const std::string& key, const std::string& value) const
+ {
+ std::vector<std::shared_ptr<PluginViewModel>> result;
+ for (const auto& [plugin, theseFlags] : flags) {
+ for (const auto& [fst, snd] : theseFlags) {
+ if (toLower(fst) == toLower(key) && snd == value) {
+ result.emplace_back(plugin);
+ }
+ }
+ }
+ return result;
+ }
+
+ /**
+ *
+ * @param key The flag key
+ * @return A list of flags currently set in this map with the given key. The list is ordered by step descending, then plugin ascending.
+ * So if steps 1, 2, and 3 set flag X in their first two plugins, it'll be ordered [3:1, 3:2, 2:1, 2:2, 1:2, 1:1]
+ */
+ [[nodiscard]] FlagList getFlagsByKey(const std::string& key) const
+ {
+ FlagList result;
+ std::vector<std::pair<int, std::shared_ptr<PluginViewModel>>> orderedPlugins;
+
+ // Collect all plugins with their stepIndex and ownIndex
+ for (const auto& plugin : flags | std::views::keys) {
+ orderedPlugins.emplace_back(plugin->getStepIndex(), plugin);
+ }
+
+ // Sort plugins by stepIndex and ownIndex, stepIndex descending and ownIndex ascending
+ // TODO: Might need group sorting too. How can I just do the natural order??
+ std::ranges::sort(orderedPlugins, [](const auto& a, const auto& b) {
+ return a.first > b.first || (a.first == b.first && a.second->getOwnIndex() < b.second->getOwnIndex());
+ });
+
+ // Collect flags in the sorted order
+ for (const auto& plugin : orderedPlugins | std::views::values) {
+ for (const auto& flag : flags.at(plugin)) {
+ if (toLower(flag.first) == toLower(key)) {
+ result.emplace_back(flag);
+ }
+ }
+ }
+ return result;
+ }
+
+ void setFlagsForPlugin(PluginRef plugin)
+ {
+ // Don't clutter the map with empty key-vals
+ if (plugin->getConditionFlags().empty()) {
+ return;
+ }
+ unsetFlagsForPlugin(plugin);
+
+ FlagList flagList;
+ for (const auto& conditionFlag : plugin->getConditionFlags()) {
+ flagList.emplace_back(toLower(conditionFlag.name), conditionFlag.value);
+ }
+ flags[plugin] = flagList;
+ }
+
+ void unsetFlagsForPlugin(PluginRef plugin)
+ {
+ if (flags.contains(plugin)) {
+ flags.erase(plugin);
+ }
+ }
+
+ std::string toString()
+ {
+ auto result = std::string();
+ result += "FlagMap:\n";
+
+ for (const auto& [plugin, theseFlags] : flags) {
+ result += plugin->getName() + " [";
+ for (const auto& [fst, snd] : theseFlags) {
+ result += fst + ": " + snd + ", ";
+ }
+ result.erase(result.size() - 2);
+ result += "]\n";
+ }
+ return result;
+ }
+
+ void clearAll()
+ {
+ flags.clear();
+ }
+
+ [[nodiscard]] size_t getFlagCount() const
+ {
+ return flags.size();
+ }
+
+
+private:
+ std::unordered_map<std::shared_ptr<PluginViewModel>, FlagList> flags;
+};
diff --git a/libs/installer_fomod_plus/installer/lib/Logger.h b/libs/installer_fomod_plus/installer/lib/Logger.h
new file mode 100644
index 0000000..fdeb1f0
--- /dev/null
+++ b/libs/installer_fomod_plus/installer/lib/Logger.h
@@ -0,0 +1,118 @@
+#pragma once
+#include <fstream>
+#include <iostream>
+#include <mutex>
+#include <regex>
+
+
+// Log levels
+enum LogLevel {
+ DEBUG = 0,
+ INFO = 1,
+ WARN = 2,
+ ERR = 3
+};
+
+// Convert LogLevel to string
+inline const char* logLevelToString(const LogLevel level) {
+ switch (level) {
+ case DEBUG: return "DEBUG";
+ case INFO: return "INFO";
+ case WARN: return "WARN";
+ case ERR: return "ERROR";
+ default: return "UNKNOWN";
+ }
+}
+
+
+class Logger {
+public:
+ static Logger& getInstance()
+ {
+ static Logger instance;
+ return instance;
+ }
+
+ void setLogFilePath(const std::string& filePath)
+ {
+ std::lock_guard lock(mMutex);
+ if (mLogFile.is_open()) {
+ mLogFile.close();
+ }
+ mLogFile.open(filePath, std::ios::out);
+ // std::ios::app is an option for appending but dont wanna grow it forever.
+ }
+
+ void setDebugMode(bool debug)
+ {
+ std::lock_guard lock(mMutex);
+ mDebugMode = debug;
+ }
+
+ void logMessage(const LogLevel level, const std::string& message)
+ {
+
+#if defined(__GNUC__) || defined(__clang__)
+ std::string functionName = __PRETTY_FUNCTION__;
+#elif defined(_MSC_VER)
+ std::string functionName = __FUNCSIG__;
+#else
+ std::string functionName = "UnknownFunction";
+#endif
+
+ std::regex classNameRegex(R"((\w+)::\w+\()");
+ std::smatch match;
+ std::string className = "UnknownClass";
+
+ if (std::regex_search(functionName, match, classNameRegex) && match.size() > 1) {
+ className = match.str(1);
+ }
+
+ std::lock_guard lock(mMutex);
+
+ auto writeLog = [&](std::ostream& stream) {
+ switch (level) {
+ case DEBUG:
+ stream << "[DEBUG] " << message << std::endl;
+ break;
+ case INFO:
+ stream << "[INFO] " << message << std::endl;
+ break;
+ case WARN:
+ stream << "[WARN] " << message << std::endl;
+ break;
+ case ERR:
+ stream << "[ERROR] " << message << std::endl;
+ break;
+ }
+ };
+
+ if (mLogFile.is_open()) {
+ writeLog(mLogFile);
+ }
+
+ writeLog(std::cout);
+ }
+
+ Logger& operator=(const Logger&) = delete;
+
+private:
+ Logger() = default;
+
+ ~Logger()
+ {
+ if (mLogFile.is_open()) {
+ mLogFile.close();
+ }
+ }
+
+ Logger(const Logger&) = delete;
+
+ std::ofstream mLogFile;
+ std::mutex mMutex;
+#if !defined(NDEBUG) || defined(CMAKE_BUILD_TYPE_RELWITHDEBINFO)
+ bool mDebugMode = true; // Auto-enable in debug/RelWithDebInfo builds
+#else
+ bool mDebugMode = false; // Disable in release builds
+#endif
+}; \ No newline at end of file
diff --git a/libs/installer_fomod_plus/installer/lib/ViewModels.h b/libs/installer_fomod_plus/installer/lib/ViewModels.h
new file mode 100644
index 0000000..062445a
--- /dev/null
+++ b/libs/installer_fomod_plus/installer/lib/ViewModels.h
@@ -0,0 +1,120 @@
+#pragma once
+
+#include <memory>
+#include <vector>
+
+#include "xml/ModuleConfiguration.h"
+
+
+template <typename T>
+using shared_ptr_list = std::vector<std::shared_ptr<T> >;
+
+
+/*
+--------------------------------------------------------------------------------
+ Plugins
+--------------------------------------------------------------------------------
+*/
+class PluginViewModel {
+public:
+ PluginViewModel(const std::shared_ptr<Plugin>& plugin_, const bool selected, bool, const int index)
+ : ownIndex(index), selected(selected), enabled(true), manuallySet(false), plugin(plugin_) {}
+
+ void setSelected(const bool selected) { this->selected = selected; }
+ void setEnabled(const bool enabled) { this->enabled = enabled; }
+ [[nodiscard]] std::string getName() const { return plugin ? plugin->name : std::string(); }
+ [[nodiscard]] std::string getDescription() const { return plugin ? plugin->description : std::string(); }
+ [[nodiscard]] std::string getImagePath() const { return plugin ? plugin->image.path : std::string(); }
+ [[nodiscard]] bool isSelected() const { return selected; }
+ [[nodiscard]] bool isEnabled() const { return enabled; }
+ [[nodiscard]] int getOwnIndex() const { return ownIndex; }
+ [[nodiscard]] std::vector<ConditionFlag> getConditionFlags() const { return plugin->conditionFlags.flags; }
+ [[nodiscard]] PluginTypeEnum getCurrentPluginType() const { return currentPluginType; }
+ [[nodiscard]] bool wasManuallySet() const { return manuallySet; }
+
+ void setCurrentPluginType(const PluginTypeEnum type) { currentPluginType = type; }
+ void setStepIndex(const int stepIndex) { this->stepIndex = stepIndex; }
+ void setGroupIndex(const int groupIndex) { this->groupIndex = groupIndex; }
+
+ [[nodiscard]] int getStepIndex() const { return stepIndex; }
+ [[nodiscard]] int getGroupIndex() const { return groupIndex; }
+
+ friend class FomodViewModel;
+ friend class FileInstaller;
+ friend class ConditionTester;
+
+protected:
+ [[nodiscard]] std::shared_ptr<Plugin> getPlugin() const { return plugin; }
+
+private:
+ int ownIndex;
+ bool selected;
+ bool enabled;
+ bool manuallySet;
+ PluginTypeEnum currentPluginType = PluginTypeEnum::UNKNOWN;
+ std::shared_ptr<Plugin> plugin;
+
+ int stepIndex{ -1 };
+ int groupIndex{ -1 };
+};
+
+/*
+--------------------------------------------------------------------------------
+ Groups
+--------------------------------------------------------------------------------
+*/
+class GroupViewModel {
+public:
+ GroupViewModel(const std::shared_ptr<Group>& group_, const shared_ptr_list<PluginViewModel>& plugins,
+ const int index, const int stepIndex)
+ : plugins(plugins), group(group_), ownIndex(index), stepIndex(stepIndex) {}
+
+ void addPlugin(const std::shared_ptr<PluginViewModel>& plugin) { plugins.emplace_back(plugin); }
+
+ [[nodiscard]] std::string getName() const { return group->name; }
+ [[nodiscard]] GroupTypeEnum getType() const { return group->type; }
+ [[nodiscard]] const shared_ptr_list<PluginViewModel>& getPlugins() const { return plugins; }
+ [[nodiscard]] int getOwnIndex() const { return ownIndex; }
+ [[nodiscard]] int getStepIndex() const { return stepIndex; }
+
+private:
+ shared_ptr_list<PluginViewModel> plugins;
+ std::shared_ptr<Group> group;
+ int ownIndex;
+ int stepIndex;
+};
+
+/*
+--------------------------------------------------------------------------------
+ Steps
+--------------------------------------------------------------------------------
+*/
+class StepViewModel {
+public:
+ StepViewModel(const std::shared_ptr<InstallStep>& installStep_, const shared_ptr_list<GroupViewModel>& groups,
+ const int index)
+ : installStep(installStep_), groups(groups), ownIndex(index) {}
+
+ [[nodiscard]] CompositeDependency& getVisibilityConditions() const { return installStep->visible; }
+ [[nodiscard]] std::string getName() const { return installStep->name; }
+ [[nodiscard]] const shared_ptr_list<GroupViewModel>& getGroups() const { return groups; }
+ [[nodiscard]] int getOwnIndex() const { return ownIndex; }
+ [[nodiscard]] bool getHasVisited() const { return visited; }
+ void setVisited(const bool visited) { this->visited = visited; }
+
+private:
+ bool visited{ false };
+ std::shared_ptr<InstallStep> installStep;
+ shared_ptr_list<GroupViewModel> groups;
+ int ownIndex;
+};
+
+
+/*
+--------------------------------------------------------------------------------
+ Outbound Types
+--------------------------------------------------------------------------------
+*/
+using StepRef = const std::shared_ptr<StepViewModel>&;
+using GroupRef = const std::shared_ptr<GroupViewModel>&;
+using PluginRef = const std::shared_ptr<PluginViewModel>&;