+ /*
+ * Uh oh.. if the nickname is in use, and it's not in use by the person using it (doh) --
+ * then we have a potential collide. Check whether someone else is camping on the nick
+ * (i.e. connect -> send NICK, don't send USER.) If they are camping, force-change the
+ * camper to their UID, and allow the incoming nick change.
+ *
+ * If the guy using the nick is already using it, tell the incoming nick change to gtfo,
+ * because the nick is already (rightfully) in use. -- w00t
+ */
+ User* InUse = ServerInstance->FindNickOnly(newnick);
+ if (InUse && (InUse != this))
+ {
+ if (InUse->registered != REG_ALL)
+ {
+ /* force the camper to their UUID, and ask them to re-send a NICK. */
+ InUse->WriteTo(InUse, "NICK %s", InUse->uuid.c_str());
+ InUse->WriteNumeric(433, "%s %s :Nickname overruled.", InUse->nick.c_str(), InUse->nick.c_str());