minecraft-snuvi-scripts/utils/u_quest.txt

function stage.increase(player) {
	$stage++;
	quest.display(player, $quest_name, $stage, $all_stages);
	sound = sound.get("entity.experience_orb.pickup");
	category = sound.getCategory("master");
	sound.spawnForPlayer(player, sound, category);
}

function quest.start(player, path) {
	script = script.start(path, "utils/u_quest", "utils/u_general");
	if(script == null) {
		msg("dev", "quest not started");
		return;
	}
	quest.addPlayer(script, player);
	script.setVar(script, "player", player);
	script.setVar(script, "script", script);
	script.callEvent("quest_start", script);
	inv.close(player);
}

function player.getShipProgress(player_or_id) {
	config = playerdata.getStory(player_or_id);
	return config.getDouble(config, "ship.progress", 0);
}

function player.setShipProgress(player_or_id, progress) {
	config = playerdata.getStory(player_or_id);
	old_progress = config.getDouble(config, "ship.progress", 0);
	if(progress > old_progress) {
		config.set(config, "ship.progress", progress);
		config.saveAsync(config);
	}
}