add license, move folders

app/scripts/sandbox/sandbox_env.gd

@@ -0,0 +1,80 @@
+extends Resource
+class_name SandboxEnv
+
+@export var zip: String
+@export var the_gates_folder: String
+@export var the_gates_folder_abs: String
+@export var snbx_exe_name: String
+@export var start_sh: String
+@export var subprocesses_sh: String
+
+const ENV_FOLDER := "/tmp/sandbox_env"
+
+var zip_path: String :
+	get = get_zip_path
+
+var start: String :
+	get = get_start_sh
+
+var subprocesses: String :
+	get = get_subprocesses_sh
+
+
+var main_pack: String
+
+
+func get_zip_path() -> String:
+	var executable_dir = OS.get_executable_path().get_base_dir() + "/"
+	return executable_dir + zip
+
+
+func get_start_sh() -> String:
+	return ProjectSettings.globalize_path(ENV_FOLDER + "/" + start_sh)
+
+
+func get_subprocesses_sh() -> String:
+	return ProjectSettings.globalize_path(ENV_FOLDER + "/" + subprocesses_sh)
+
+
+func zip_exists() -> bool:
+	return FileAccess.file_exists(zip_path)
+
+
+func create_env(snbx_executable: String, gate: Gate) -> void:
+	Debug.logclr("create_env %s" % [ENV_FOLDER], Color.DIM_GRAY)
+	UnZip.unzip(zip_path, ENV_FOLDER, true)
+	
+	var folder = ENV_FOLDER + "/" + the_gates_folder
+	var executable = folder + "/" + snbx_exe_name
+	DirAccess.copy_absolute(snbx_executable, executable)
+	
+	main_pack = executable.get_basename() + "." + gate.resource_pack.get_extension()
+	DirAccess.copy_absolute(gate.resource_pack, main_pack)
+	main_pack = the_gates_folder_abs + "/" + main_pack.get_file()
+	
+	if not gate.shared_libs_dir.is_empty() and DirAccess.dir_exists_absolute(gate.shared_libs_dir):
+		for file in DirAccess.get_files_at(gate.shared_libs_dir):
+			var lib = gate.shared_libs_dir + "/" + file
+			var lib_in_folder = folder + "/" + file
+			DirAccess.copy_absolute(lib, lib_in_folder)
+			Debug.logclr(lib_in_folder, Color.DIM_GRAY)
+
+
+func get_subprocesses(ppid: int) -> Array[int]:
+	var pids: Array[int] = []
+	var output = []
+	
+	OS.execute(subprocesses, [str(ppid)], output)
+	if output.is_empty(): return pids
+	
+	var s_pids = output[0].split('\n')
+	for s_pid in s_pids:
+		if s_pid.is_empty(): continue
+		var pid = s_pid.to_int()
+		pids.append(pid)
+	
+	return pids
+
+
+func clean() -> void:
+	OS.execute("rm", ["-rf", ProjectSettings.globalize_path(ENV_FOLDER)])