The Grand Spellbook Tower

- Highlight only after checking that a card was selected
- Placing on the bottom of the Deck and drawing are simultaneous in the OCG

Author: pyrQ

official/c33981008.lua

@@ -3,62 +3,52 @@
 local s,id=GetID()
 function s.initial_effect(c)
 	--Activate
+	local e0=Effect.CreateEffect(c)
+	e0:SetType(EFFECT_TYPE_ACTIVATE)
+	e0:SetCode(EVENT_FREE_CHAIN)
+	c:RegisterEffect(e0)
+	--Place 1 "Spellbook" Spell from your GY on the bottom of your Deck, except "The Grand Spellbook Tower", and if you do, draw 1 card
 	local e1=Effect.CreateEffect(c)
-	e1:SetType(EFFECT_TYPE_ACTIVATE)
-	e1:SetCode(EVENT_FREE_CHAIN)
+	e1:SetDescription(aux.Stringid(id,0))
+	e1:SetCategory(CATEGORY_TODECK+CATEGORY_DRAW)
+	e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
+	e1:SetCode(EVENT_PHASE|PHASE_STANDBY)
+	e1:SetRange(LOCATION_FZONE)
+	e1:SetCountLimit(1)
+	e1:SetCondition(function(e,tp) return Duel.IsTurnPlayer(tp) and Duel.IsExistingMatchingCard(aux.FaceupFilter(Card.IsRace,RACE_SPELLCASTER),tp,LOCATION_MZONE|LOCATION_GRAVE,0,1,nil) end)
+	e1:SetTarget(s.drtg)
+	e1:SetOperation(s.drop)
 	c:RegisterEffect(e1)
-	--Place 1 "Spellbook" Spell Card from your GY on the bottom of your Deck then draw 1 card
+	--Special Summon 1 Spellcaster monster from your hand or Deck whose Level is less than or equal to the number of "Spellbook" Spells in your GY
 	local e2=Effect.CreateEffect(c)
-	e2:SetDescription(aux.Stringid(id,0))
-	e2:SetCategory(CATEGORY_TODECK+CATEGORY_DRAW)
-	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
-	e2:SetRange(LOCATION_FZONE)
-	e2:SetCode(EVENT_PHASE|PHASE_STANDBY)
-	e2:SetCountLimit(1)
-	e2:SetCondition(s.drcon)
-	e2:SetTarget(s.drtg)
-	e2:SetOperation(s.drop)
+	e2:SetDescription(aux.Stringid(id,1))
+	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
+	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
+	e2:SetCode(EVENT_TO_GRAVE)
+	e2:SetCondition(function(e,tp,eg,ep,ev,re,r,rp) return rp==1-tp and e:GetHandler():IsReason(REASON_DESTROY) end)
+	e2:SetTarget(s.sptg)
+	e2:SetOperation(s.spop)
 	c:RegisterEffect(e2)
-	--Special Summon 1 Spellcaster monster from your hand or Deck whose Level is less than or equal to the number of "Spellbook" Spell Cards in your GY
-	local e3=Effect.CreateEffect(c)
-	e3:SetDescription(aux.Stringid(id,1))
-	e3:SetCategory(CATEGORY_SPECIAL_SUMMON)
-	e3:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
-	e3:SetProperty(EFFECT_FLAG_DAMAGE_STEP)
-	e3:SetCode(EVENT_TO_GRAVE)
-	e3:SetCondition(s.spcon)
-	e3:SetTarget(s.sptg)
-	e3:SetOperation(s.spop)
-	c:RegisterEffect(e3)
 end
 s.listed_series={SET_SPELLBOOK}
 s.listed_names={id}
-function s.cfilter(c)
-	return c:IsRace(RACE_SPELLCASTER) and (c:IsLocation(LOCATION_GRAVE) or c:IsFaceup())
-end
-function s.drcon(e,tp,eg,ep,ev,re,r,rp)
-	return Duel.IsTurnPlayer(tp) and Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_MZONE|LOCATION_GRAVE,0,1,nil)
-end
-function s.filter(c)
+function s.tdfilter(c)
 	return c:IsSetCard(SET_SPELLBOOK) and c:IsSpell() and c:IsAbleToDeck() and not c:IsCode(id)
 end
 function s.drtg(e,tp,eg,ep,ev,re,r,rp,chk)
-	if chk==0 then return Duel.IsPlayerCanDraw(tp,1) and Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_GRAVE,0,1,nil) end
+	if chk==0 then return Duel.IsPlayerCanDraw(tp,1) and Duel.IsExistingMatchingCard(s.tdfilter,tp,LOCATION_GRAVE,0,1,nil) end
 	Duel.SetOperationInfo(0,CATEGORY_TODECK,nil,1,tp,LOCATION_GRAVE)
 	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,tp,1)
 end
 function s.drop(e,tp,eg,ep,ev,re,r,rp)
 	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TODECK)
-	local g=Duel.SelectMatchingCard(tp,s.filter,tp,LOCATION_GRAVE,0,1,1,nil)
+	local g=Duel.SelectMatchingCard(tp,s.tdfilter,tp,LOCATION_GRAVE,0,1,1,nil)
+	if #g==0 then return end
 	Duel.HintSelection(g)
-	if #g>0 and Duel.SendtoDeck(g,nil,SEQ_DECKBOTTOM,REASON_EFFECT)>0 then
-		Duel.BreakEffect()
+	if Duel.SendtoDeck(g,nil,SEQ_DECKBOTTOM,REASON_EFFECT)>0 then
 		Duel.Draw(tp,1,REASON_EFFECT)
 	end
 end
-function s.spcon(e,tp,eg,ep,ev,re,r,rp)
-	return e:GetHandler():IsReason(REASON_DESTROY) and not e:GetHandler():IsReason(REASON_RULE) and rp==1-tp
-end
 function s.ctfilter(c)
 	return c:IsSetCard(SET_SPELLBOOK) and c:IsSpell()
 end
@@ -69,16 +59,17 @@ function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
 	if chk==0 then
 		if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return false end
 		local ct=Duel.GetMatchingGroupCount(s.ctfilter,tp,LOCATION_GRAVE,0,nil)
-		return Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_DECK|LOCATION_HAND,0,1,nil,e,tp,ct)
+		return ct>0 and Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_HAND|LOCATION_DECK,0,1,nil,e,tp,ct)
 	end
-	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK|LOCATION_HAND)
+	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_HAND|LOCATION_DECK)
 end
 function s.spop(e,tp,eg,ep,ev,re,r,rp)
 	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return false end
 	local ct=Duel.GetMatchingGroupCount(s.ctfilter,tp,LOCATION_GRAVE,0,nil)
+	if ct==0 then return end
 	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
-	local g=Duel.SelectMatchingCard(tp,s.spfilter,tp,LOCATION_DECK|LOCATION_HAND,0,1,1,nil,e,tp,ct)
+	local g=Duel.SelectMatchingCard(tp,s.spfilter,tp,LOCATION_HAND|LOCATION_DECK,0,1,1,nil,e,tp,ct)
 	if #g>0 then
 		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
 	end
-end
+end