fixes

include/assets/data_loaders/obj_loader.hpp

@@ -0,0 +1,42 @@
+#pragma once
+
+#include <filesystem>
+#include <system_error>
+#include <string_view>
+#include "assets/dynamic_data_loaders/dynamic_material_loader.hpp"
+#include "assets/dynamic_data_stores/dynamic_mesh_store.hpp"
+#include "assets/prefetch_lookup.hpp"
+
+namespace obj_loader_error {
+
+enum class codes {
+	ok = 0,
+	obj_cannot_open_file,
+	obj_malformed_vertex,
+	obj_malformed_texture_coordinate,
+	obj_malformed_normal,
+	obj_malformed_face,
+	obj_face_index_out_of_range,
+	obj_unknown_line_begin
+};
+
+} // namespace obj_loader_error
+
+struct obj_loader {
+
+	static constexpr auto name = std::string_view("obj");
+
+	[[nodiscard]] static std::error_code prefetch(
+		const file_dir_list& paths,
+		prefetch_queue& queue
+	);
+
+	[[nodiscard]] static std::error_code load(
+		components::mesh_vertex::flags enabled_components,
+		dynamic_mesh_buffer& buffer,
+		const file_dir_list& paths,
+		prefetch_lookup& id_lookup,
+		dynamic_data_store& store,
+		bool pedantic = false
+	);
+};