public void SetRulesetGenerator(ModData modData, Func<Pair<Ruleset, bool>> generator)
{
InvalidCustomRules = false;
RulesLoaded = false;
DefinesUnsafeCustomRules = false;
// Note: multiple threads may try to access the value at the same time
// We rely on the thread-safety guarantees given by Lazy<T> to prevent race conitions.
// If you're thinking about replacing this, then you must be careful to keep this safe.
rules = Exts.Lazy(() =>
{
if (generator == null)
return Ruleset.LoadDefaultsForTileSet(modData, TileSet);
try
{
var ret = generator();
DefinesUnsafeCustomRules = ret.Second;
return ret.First;
}
catch (Exception e)
{
Log.Write("debug", "Failed to load rules for `{0}` with error :{1}", Title, e.Message);
InvalidCustomRules = true;
return Ruleset.LoadDefaultsForTileSet(modData, TileSet);
}
finally
{
RulesLoaded = true;
}
});
}