🚧 feat: mod hook packing prototype

Author: Qubus0

addons/mod_loader/internal/mod_hoock_packer.gd

@@ -0,0 +1,65 @@
+extends Node
+
+
+const ModHookPreprocessorScript := preload("res://addons/mod_loader/_export_plugin/mod_hook_preprocessor.gd")
+static var ModHookPreprocessor
+
+
+func _ready() -> void:
+	run_script()
+	await get_tree().process_frame
+	get_tree().quit()
+
+
+func run_script() -> void:
+	ModHookPreprocessor = ModHookPreprocessorScript.new()
+	ModHookPreprocessor.process_begin()
+
+	# TODO: consider mac location
+	var res := OS.get_executable_path().get_base_dir()
+	if OS.has_feature("editor"):
+		res = ProjectSettings.globalize_path("res://").rsplit("/", true, 2)[0]
+
+	var save_base_path := res.path_join("godot_mod_loader/temp_test_mod/")
+	print(save_base_path)
+	DirAccess.make_dir_recursive_absolute(save_base_path)
+
+	var zip_writer := ZIPPacker.new()
+	var err := zip_writer.open(save_base_path + "temp_test_mod.zip")
+	if err != OK:
+		printerr(err)
+
+	transform_scripts_recursive(ModHookPreprocessor.process_script, zip_writer, save_base_path)
+
+	zip_writer.close()
+	ZIPPacker
+
+
+func transform_scripts_recursive(callback: Callable, zip_writer: ZIPPacker, save_base: String, path := "res://") -> void:
+	var dir := DirAccess.open(path)
+	if not dir:
+		printt("An error occurred when trying to access the path:", path)
+		return
+
+	dir.list_dir_begin()
+	var file_name = dir.get_next()
+	while file_name != "":
+		if path.begins_with("res://addons") or path.begins_with("res://mods-unpacked"):
+			file_name = dir.get_next()
+			continue
+
+		if dir.current_is_dir():
+			transform_scripts_recursive(callback, zip_writer, save_base, dir.get_current_dir() + file_name + "/")
+			file_name = dir.get_next()
+			continue
+
+		if file_name.get_extension() != "gd":
+			file_name = dir.get_next()
+			continue
+
+		var processed: String = callback.call(dir.get_current_dir() + file_name)
+		zip_writer.start_file(path.trim_prefix("res://").path_join(file_name))
+		zip_writer.write_file(processed.to_utf8_buffer())
+		zip_writer.close_file()
+
+		file_name = dir.get_next()

addons/mod_loader/_export_plugin/mod_hook_preprocessor.gd renamed to addons/mod_loader/internal/mod_hook_preprocessor.gd

@@ -25,7 +25,7 @@ func process_script(path: String) -> String:
 	var class_prefix := str(hash(path))
 	var method_store: Array[String] = []
 	var mod_loader_hooks_start_string := \
-	"\n# ModLoader Hooks - The following code has been automatically added by the Godot Mod Loader export plugin.\n"
+	"\n# ModLoader Hooks - The following code has been automatically added by the Godot Mod Loader export plugin."
 
 	var getters_setters := collect_getters_and_setters(source_code)
 
@@ -189,8 +189,7 @@ static func get_mod_loader_hook(
 	{%METHOD_RETURN_VAR%}{%METHOD_PREFIX%}_{%METHOD_NAME%}({%METHOD_ARGS%})
 	if ModLoaderStore.any_mod_hooked:
 		ModLoaderMod.call_hooks({%SELF%}, [{%METHOD_ARGS%}], {%HOOK_ID_AFTER%})
-	{%METHOD_RETURN%}
-""".format({
+	{%METHOD_RETURN%}""".format({
 		"%METHOD_PREFIX%": method_prefix,
 		"%METHOD_NAME%": method_name,
 		"%METHOD_PARAMS%": method_arg_string_with_defaults_and_types,