Несколько вопросов

import sys
from net.sf.l2j.gameserver.model.quest import State
from net.sf.l2j.gameserver.model.quest import QuestState
from net.sf.l2j.gameserver.model.quest.jython import QuestJython as JQuest
from net.sf.l2j.gameserver.model.base import Race
#Quest info
qn = "235_MimirsElixir"
QUEST_NUMBER,QUEST_NAME,QUEST_DESCRIPTION = 235,"MimirsElixir","Mimir's Elixir"

DROP_RATE = 20

#prerequisites:
STAR_OF_DESTINY = 5011
MINLEVEL = 75

#Quest items
PURE_SILVER = 6320
TRUE_GOLD = 6321
SAGES_STONE = 6322
BLOOD_FIRE = 6318
MIMIRS_ELIXIR = 6319

SCROLL_ENCHANT_WEAPON_A = 729

#NPCs
LADD,JOAN=30721,30718
#Mobs, cond, Drop
DROPLIST = {
20965: [3,SAGES_STONE], #Chimera Piece
21090: [6,BLOOD_FIRE] #Bloody Guardian
}

class Quest (JQuest) :

def __init__(self,id,name,descr): JQuest.__init__(self,id,name,descr)

def onEvent (self,event,st) :
if event == "1" :
st.setState(State.STARTED)
st.set("cond","1")
htmltext = "30166-02a.htm"
elif event == "30718_1" :
st.set("cond","3")
htmltext = "30718-01a.htm"
return htmltext

def onTalk (self,npc,player):
htmltext = "<html><body>You are either not on a quest that involves this NPC, or you don't meet this NPC's minimum quest requirements.</body></html>"
st = player.getQuestState(qn)
if not st : return htmltext

npcId = npc.getNpcId()
id = st.getState()
cond = st.getInt("cond")
if npcId == LADD :
if id == State.CREATED :
st.set("cond","0")
if player.getLevel() < MINLEVEL :
st.exitQuest(1)
htmltext = "30166-01.htm" #not qualified
elif not st.getQuestItemsCount(STAR_OF_DESTINY) :
st.exitQuest(1)
htmltext = "30166-01a.htm" #not qualified
elif st.getInt("cond")==0 :
htmltext = "30166-02.htm" # Successful start: Bring me Pure silver from Reagents quest
elif id == State.COMPLETED :
htmltext = "<html><body>You have already completed this quest.</body></html>"
# was asked to get pure silver but has not done so yet. Repeat: get pure silver
elif cond==1 and not st.getQuestItemsCount(PURE_SILVER) :
htmltext = "30166-03.htm" # Bring me Pure silver from Reagents quest
# got the pure silver and came back. Ask for TrueGold.
elif cond==1 and st.getQuestItemsCount(PURE_SILVER) :
st.set("cond","2")
htmltext = "30166-04.htm" # Bring me True Gold from Joan
elif 1<cond<5 :
htmltext = "30166-05.htm" # Where is my GOLD?! Bring to me first.
# got the true gold...look for Blood fire
elif cond==5 :
st.set("cond","6")
htmltext = "30166-06.htm" # find Blood Fire from "bloody guardians"
# still looking for blood fire?
elif cond==6 :
htmltext = "30166-07.htm" # find Blood Fire from "bloody guardians"
# Ah, you got the blood fire! Time to mix them up!
elif cond==7 and st.getQuestItemsCount(PURE_SILVER) and st.getQuestItemsCount(TRUE_GOLD):
htmltext = "30166-08.htm" # what are you standing there for? Go to the cauldron and mix them...
# you idiot, how did you lose your quest items?
elif cond==7 :
htmltext = "30166-09.htm" # Well...you already know what to do...go get the 3 items...
st.set("cond","3") # start over...yay...
# cond for this quest is set to 8 from Supplier or Reagents, when you create Mimir's Elixir.
# Finally, all is done...time to learn how to use the Elixir...
elif cond==8 :
htmltext = "30166-10.htm" # here's what you do...
st.takeItems(MIMIRS_ELIXIR,-1) #remove this line for compatibility with L2JServer revisions prior to 376
st.giveItems(SCROLL_ENCHANT_WEAPON_A,1)
st.exitQuest(False)
st.unset("cond")
elif npcId == JOAN and id == State.STARTED:
# first time talking to Joan: You ask for True Gold, she sends you for Sage's stone
if cond==2 :
htmltext = "30718-01.htm" # You want True Gold? Please get the sage's stone. Kill Chimera!
# Why are you back alraedy? You don't have the stone.
elif cond==3 :
htmltext = "30718-02.htm" # you haven't gotten the sage's stone yet?
# aha! Here is the sage's stone! Cool, now we can make true gold
elif cond==4 :
st.takeItems(SAGES_STONE,-1)
st.giveItems(TRUE_GOLD,1)
st.set("cond","5")
htmltext = "30718-03.htm" # here you go...take the gold. Now go back to ladd.
elif cond>=5 :
htmltext = "30718-04.htm" # Go back to ladd already!
return htmltext

def onKill(self,npc,player,isPet):
st = player.getQuestState(qn)
if not st : return
if st.getState() != State.STARTED : return

npcId = npc.getNpcId()
drop = st.getRandom(100)
cond = st.getInt("cond")
dropcond = DROPLIST[npcId][0]
if drop < DROP_RATE and cond == dropcond :
if st.getQuestItemsCount(DROPLIST[npcId][1]) == 0 :
st.giveItems(DROPLIST[npcId][1],1)
st.playSound("ItemSound.quest_itemget")
st.set("cond",str(cond+1))
return

# Quest class and state definition
QUEST = Quest(QUEST_NUMBER, qn, QUEST_DESCRIPTION)


# Quest NPC starter initialization
QUEST.addStartNpc(LADD)
# Quest initialization
QUEST.addTalkId(LADD)
QUEST.addTalkId(JOAN)

for i in DROPLIST.keys():
QUEST.addKillId(i)