Method set

src/Savegame/WeightedOptions.cpp:83–104

* Set an option's weight. * If @a weight is set to 0, the option is removed from the list of choices. * If @a id already exists, the new weight replaces the old one, otherwise * @a id is added to the list of choices, with @a weight as the weight. * @param id The option name. * @param weight The option's new weight. */

 * @param weight The option's new weight.
 */
void WeightedOptions::set(const std::string &id, size_t weight)
{
	std::map<std::string, size_t>::iterator option = _choices.find(id);
	if (option != _choices.end())
	{
		_totalWeight -= option->second;
		if (0 != weight)
		{
			option->second = weight;
			_totalWeight += weight;
		}
		else
		{
			_choices.erase(option);
		}
	}
	else if (0 != weight)
	{
		_choices.insert(std::make_pair(id, weight));
		_totalWeight += weight;
	}
}

/**
 * Add the weighted options from a YAML::Node to a WeightedOptions.