Update "Stairway to the Underworld"

-Added another check to the condition to ensure that only direct attacks while there were no monsters on the field were counted.
-Updated the function calls to better reflect modern script architecture.

Author: TheRazgriz

unofficial/c511000921.lua

@@ -3,16 +3,16 @@
 Duel.LoadScript("c420.lua")
 local s,id=GetID()
 function s.initial_effect(c)
-	--activate
+	--Special Summon 2 "Emissary of Darkness" monsters from your Deck 
 	local e1=Effect.CreateEffect(c)
 	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
 	e1:SetType(EFFECT_TYPE_ACTIVATE)
 	e1:SetCode(EVENT_BATTLE_DAMAGE)
-	e1:SetCondition(s.condition)
-	e1:SetTarget(s.target)
-	e1:SetOperation(s.activate)
+	e1:SetCondition(s.spcon)
+	e1:SetTarget(s.sptg)
+	e1:SetOperation(s.spop)
 	c:RegisterEffect(e1)
-	--Trap Spell
+	--Trap Spell properties
 	local e2=Effect.CreateEffect(c)
 	e2:SetType(EFFECT_TYPE_SINGLE)
 	e2:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_UNCOPYABLE)
@@ -25,22 +25,22 @@ function s.initial_effect(c)
 	e3:SetDescription(aux.Stringid(id,0))
 	c:RegisterEffect(e3)
 end
-function s.condition(e,tp,eg,ep,ev,re,r,rp)
-	return ep==tp and Duel.GetFieldGroupCount(tp,LOCATION_MZONE,0)==0
+function s.spcon(e,tp,eg,ep,ev,re,r,rp) 
+	return ep==tp and Duel.GetAttackTarget()==nil and Duel.GetFieidGroupCount(tp,LOCATION_MZONE,0)==0 
 end
-function s.filter(c,e,tp)
+function s.spfilter(c,e,tp)
 	return c:IsCanBeSpecialSummoned(e,0,tp,false,false) and c:IsEmissaryOfDarkness()
 end
-function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
+function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
 	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>1 and not Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT)
-		and Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_DECK,0,2,nil,e,tp) end
-	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,2,0,0)
+		and Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_DECK,0,2,nil,e,tp) end
+	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,2,tp,LOCATION_DECK)
 end
-function s.activate(e,tp,eg,ep,ev,re,r,rp)
+function s.spop(e,tp,eg,ep,ev,re,r,rp)
 	if Duel.GetLocationCount(tp,LOCATION_MZONE)<2 or Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT) then return end
 	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
-	local sg=Duel.SelectMatchingCard(tp,s.filter,tp,LOCATION_DECK,0,2,2,nil,e,tp)
+	local sg=Duel.SelectMatchingCard(tp,s.spfilter,tp,LOCATION_DECK,0,2,2,nil,e,tp)
 	if #sg>0 then
 		Duel.SpecialSummon(sg,0,tp,tp,false,false,POS_FACEUP)
 	end
-end
+end