refactor: move and rename EnginePaths

src/engine/EnginePaths.hpp

@@ -0,0 +1,82 @@
+#pragma once
+
+#include "io/io.hpp"
+#include "data/dv.hpp"
+#include "CoreParameters.hpp"
+
+#include <unordered_map>
+#include <optional>
+#include <string>
+#include <vector>
+#include <tuple>
+
+struct PathsRoot {
+    std::string name;
+    io::path path;
+
+    PathsRoot(std::string name, io::path path)
+        : name(std::move(name)), path(std::move(path)) {
+    }
+};
+
+class ResPaths {
+public:
+    ResPaths() = default;
+
+    ResPaths(std::vector<PathsRoot> roots);
+
+    io::path find(const std::string& filename) const;
+    std::string findRaw(const std::string& filename) const;
+    std::vector<io::path> listdir(const std::string& folder) const;
+    std::vector<std::string> listdirRaw(const std::string& folder) const;
+
+    /// @brief Read all found list versions from all packs and combine into a
+    /// single list. Invalid versions will be skipped with logging a warning
+    /// @param file *.json file path relative to entry point 
+    dv::value readCombinedList(const std::string& file) const;
+
+    dv::value readCombinedObject(const std::string& file, bool deep=false) const;
+
+    std::vector<io::path> collectRoots();
+private:
+    std::vector<PathsRoot> roots;
+};
+
+class EnginePaths {
+public:
+    ResPaths resPaths;
+
+    EnginePaths(CoreParameters& params);
+
+    io::path getWorldFolderByName(const std::string& name);
+    io::path getWorldsFolder() const;
+
+    void setCurrentWorldFolder(io::path folder);
+    io::path getNewScreenshotFile(const std::string& ext) const;
+
+    std::string mount(const io::path& file);
+    void unmount(const std::string& name);
+
+    std::string createWriteableDevice(const std::string& name);
+
+    void setEntryPoints(std::vector<PathsRoot> entryPoints);
+
+    std::vector<io::path> scanForWorlds() const;
+
+    static std::tuple<std::string, std::string> parsePath(std::string_view view);
+
+    static inline io::path CONFIG_DEFAULTS = "config/defaults.toml";
+    static inline io::path CONTROLS_FILE = "user:controls.toml";
+    static inline io::path SETTINGS_FILE = "user:settings.toml";
+private:
+    std::filesystem::path resourcesFolder;
+    std::filesystem::path userFilesFolder;
+    std::filesystem::path projectFolder;
+    io::path currentWorldFolder;
+    std::optional<std::filesystem::path> scriptFolder;
+    std::vector<PathsRoot> entryPoints;
+    std::unordered_map<std::string, std::string> writeables;
+    std::vector<std::string> mounted;
+
+    void cleanup();
+};