static ChallengeBase LoadChallenge(FileEntry entry, CollectibleAssemblyLoadContext context)
{
using var fs = entry.Open(FileMode.Open, FileAccess.Read);
var assembly = context.LoadFromStream(fs);
return(assembly
.GetTypes()
.Where(t => !t.IsAbstract && typeof(ChallengeBase).IsAssignableFrom(t))
.Select(t => (ChallengeBase)Activator.CreateInstance(t) !)
.First());
}
private static Dictionary <int, ChallengeBase> LoadChallenges()
{
var context = new CollectibleAssemblyLoadContext();
var fs = new PhysicalFileSystem();
UPath basePath = fs.ConvertPathFromInternal(AppDomain.CurrentDomain.BaseDirectory);
var challenges = fs.EnumerateFileEntries(basePath, "Day*.dll")
.Select(entry => LoadChallenge(entry, context))
.ToDictionary(k => k.Day, v => v);
return(challenges);
