chore: parse includes and assetlists while parsing zone definition

src/ObjCommon/SearchPath/SearchPathFilesystem.cpp

@@ -0,0 +1,64 @@
+#include "SearchPathFilesystem.h"
+
+#include "Utils/ObjFileStream.h"
+
+#include <filesystem>
+#include <format>
+#include <fstream>
+#include <iostream>
+
+namespace fs = std::filesystem;
+
+SearchPathFilesystem::SearchPathFilesystem(std::string path)
+    : m_path(std::move(path))
+{
+}
+
+const std::string& SearchPathFilesystem::GetPath()
+{
+    return m_path;
+}
+
+SearchPathOpenFile SearchPathFilesystem::Open(const std::string& fileName)
+{
+    const auto filePath = fs::path(m_path).append(fileName);
+    std::ifstream file(filePath.string(), std::fstream::in | std::fstream::binary);
+
+    if (file.is_open())
+        return SearchPathOpenFile(std::make_unique<std::ifstream>(std::move(file)), static_cast<int64_t>(file_size(filePath)));
+
+    return SearchPathOpenFile();
+}
+
+void SearchPathFilesystem::Find(const SearchPathSearchOptions& options, const std::function<void(const std::string&)>& callback)
+{
+    try
+    {
+        if (options.m_should_include_subdirectories)
+        {
+            std::filesystem::recursive_directory_iterator iterator(m_path);
+            for (const auto entry = begin(iterator); iterator != end(iterator); ++iterator)
+            {
+                auto path = entry->path();
+                if (options.m_filter_extensions && path.extension().string() != options.m_extension)
+                    continue;
+                callback(options.m_absolute_paths ? absolute(path).string() : path.string());
+            }
+        }
+        else
+        {
+            std::filesystem::directory_iterator iterator(m_path);
+            for (const auto entry = begin(iterator); iterator != end(iterator); ++iterator)
+            {
+                auto path = entry->path();
+                if (options.m_filter_extensions && path.extension().string() != options.m_extension)
+                    continue;
+                callback(options.m_absolute_paths ? absolute(path).string() : path.string());
+            }
+        }
+    }
+    catch (std::filesystem::filesystem_error& e)
+    {
+        std::cerr << std::format("Directory Iterator threw error when trying to find files: \"{}\"\n", e.what());
+    }
+}