protected ArtifactInfo GetArtifactFromPool(MissionInProgress missionInProgress)
{
var possibleArtifacts = missionDataCache.GetAllArtifactInfos;
Log("possible artifacts: " + possibleArtifacts.Count);
possibleArtifacts = possibleArtifacts.Except(missionInProgress.SelectedArtifactInfos).ToList();
Log("except choosen: " + possibleArtifacts.Count);
if (possibleArtifacts.Count == 0)
{
Logger.Error("no mission item definition to select from. " + this + " " + missionInProgress);
throw new PerpetuumException(ErrorCodes.ConsistencyError);
}
var choosenArtifact = possibleArtifacts.RandomElement();
missionInProgress.AddToSelectedArtifacts(choosenArtifact);
Log("selected artifact: " + choosenArtifact);
return(choosenArtifact);
}