public int RandomPtj(PtjType type, params int[] questIds)
{
var level = this.GetPtjQuestLevel(type);
// Check ids
if (questIds.Length == 0)
throw new ArgumentException("NpcScript.RandomPtj: questIds may not be empty.");
// Check quest scripts and get a list of available ones
var questScripts = questIds.Select(id => ChannelServer.Instance.ScriptManager.QuestScripts.Get(id)).Where(a => a != null);
var questScriptsCount = questScripts.Count();
if (questScriptsCount == 0)
throw new Exception("NpcScript.RandomPtj: Unable to find any of the given quests.");
if (questScriptsCount != questIds.Length)
{
var missing = questIds.Where(a => !questScripts.Any(b => b.Id == a));
Log.Warning("NpcScript.RandomPtj: Some of the given quest ids are unknown (" + string.Join(", ", missing) + ").");
}
// Check same level quests
var sameLevelQuests = questScripts.Where(a => a.Level == level);
var sameLevelQuestsCount = sameLevelQuests.Count();
if (sameLevelQuestsCount == 0)
{
// Try to fall back to Basic
sameLevelQuests = questScripts.Where(a => a.Level == QuestLevel.Basic);
sameLevelQuestsCount = sameLevelQuests.Count();
if (sameLevelQuestsCount == 0)
throw new Exception("NpcScript.RandomPtj: Missing quest for level '" + level + "'.");
Log.Warning("NpcScript.RandomPtj: Missing quest for level '" + level + "', using 'Basic' as fallback.");
}
// Return random quest's id
// Random is seeded with the current Erinn day so we always get
// the same result for one in-game day.
var rnd = new Random(ErinnTime.Now.DateTimeStamp);
var randomQuest = sameLevelQuests.ElementAt(rnd.Next(sameLevelQuestsCount));
return randomQuest.Id;
}
