Add 堕天使 to new fusion + add skip_location_count_check to new fusion

c54527349.lua

 --叛逆の堕天使
-function c54527349.initial_effect(c)
+local s,id,o=GetID()
+function s.initial_effect(c)
 	--activate
-	local e1=Effect.CreateEffect(c)
-	e1:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_FUSION_SUMMON)
-	e1:SetType(EFFECT_TYPE_ACTIVATE)
-	e1:SetCode(EVENT_FREE_CHAIN)
+	local e1=FusionSpell.CreateSummonEffect(c,{
+		fusfilter=s.fusfilter,
+		extra_target=s.extra_target,
+		stage_x_operation=s.stage_x_operation
+	})
 	e1:SetHintTiming(0,TIMINGS_CHECK_MONSTER+TIMING_END_PHASE)
-	e1:SetCountLimit(1,54527349+EFFECT_COUNT_CODE_OATH)
-	e1:SetCost(c54527349.cost)
-	e1:SetTarget(c54527349.target)
-	e1:SetOperation(c54527349.activate)
+	e1:SetCountLimit(1,id+EFFECT_COUNT_CODE_OATH)
+	e1:SetTarget(s.target)
+	e1:SetCost(s.cost)
 	c:RegisterEffect(e1)
 end
-function c54527349.filter1(c,e)
-	return not c:IsImmuneToEffect(e)
+
+function s.fusfilter(c)
+	return c:IsAttribute(ATTRIBUTE_DARK)
 end
-function c54527349.filter2(c,e,tp,m,f,chkf)
-	return c:IsType(TYPE_FUSION) and c:IsAttribute(ATTRIBUTE_DARK) and (not f or f(c))
-		and c:IsCanBeSpecialSummoned(e,SUMMON_TYPE_FUSION,tp,false,false) and c:CheckFusionMaterial(m,nil,chkf)
-end
-function c54527349.costfilter(c,e,tp)
-	local chkf=tp
-	local mg1=Duel.GetFusionMaterial(tp)
-	if mg1:IsContains(c) then mg1:RemoveCard(c) end
-	local res=Duel.IsExistingMatchingCard(c54527349.filter2,tp,LOCATION_EXTRA,0,1,nil,e,tp,mg1,nil,chkf)
-	if not res then
-		local ce=Duel.GetChainMaterial(tp)
-		if ce~=nil then
-			local fgroup=ce:GetTarget()
-			local mg2=fgroup(ce,e,tp)
-			if mg2:IsContains(c) then mg2:RemoveCard(c) end
-			local mf=ce:GetValue()
-			res=Duel.IsExistingMatchingCard(c54527349.filter2,tp,LOCATION_EXTRA,0,1,nil,e,tp,mg2,mf,chkf)
-		end
+
+--- @param c Card
+function s.costfilter(c,e,tp)
+	if not (c:IsFaceupEx() and c:IsSetCard(0xef) and c:IsType(TYPE_MONSTER) and c:IsAbleToGraveAsCost()) then
+		return false
+	end
+	local res_cell=Duel.GetLocationCountFromEx(tp,tp,c,TYPE_FUSION)
+	--- Create a temp fusion effect that can not use candidate cost monster as material, if we have a slot on field, skip the location count check
+	--- stage_x_operation omit as it is only called in operation
+	local fusion_effect=FusionSpell.CreateSummonEffect(e:GetHandler(),{
+		fusfilter=s.fusfilter,
+		matfilter=function(mc) return mc~=c end,
+		extra_target=s.extra_target,
+		skip_location_count_check=(res_cell>0)
+	})
+	if fusion_effect:GetTarget()(e,tp,nil,nil,nil,nil,nil,nil,0)==false then
+		return false
 	end
-	return (c:IsFaceup() or c:IsLocation(LOCATION_HAND)) and c:IsSetCard(0xef) and c:IsType(TYPE_MONSTER) and c:IsAbleToGraveAsCost() and res
+	return true
 end
-function c54527349.cost(e,tp,eg,ep,ev,re,r,rp,chk)
-	e:SetLabel(100,0)
-	if chk==0 then return Duel.IsExistingMatchingCard(c54527349.costfilter,tp,LOCATION_HAND+LOCATION_MZONE,0,1,nil,e,tp) end
+
+function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
+	if chk==0 then return Duel.IsExistingMatchingCard(s.costfilter,tp,LOCATION_HAND+LOCATION_MZONE,0,1,nil,e,tp) end
 	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
-	local g=Duel.SelectMatchingCard(tp,c54527349.costfilter,tp,LOCATION_HAND+LOCATION_MZONE,0,1,1,nil,e,tp)
-	e:SetLabel(100,g:GetFirst():GetAttack())
+	local g=Duel.SelectMatchingCard(tp,s.costfilter,tp,LOCATION_HAND+LOCATION_MZONE,0,1,1,nil,e,tp)
+	e:SetLabel(g:GetFirst():GetAttack())
 	Duel.SendtoGrave(g,REASON_COST)
 end
-function c54527349.target(e,tp,eg,ep,ev,re,r,rp,chk)
-	local label,rec=e:GetLabel()
+
+function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
+	if e:IsCostChecked() then
+		--- cost could be paid, location count check done there
+		local fusion_effect_no_location_count_check=FusionSpell.CreateSummonEffect(e:GetHandler(),{
+			fusfilter=s.fusfilter,
+			extra_target=s.extra_target,
+			skip_location_count_check=true
+		})
+		return fusion_effect_no_location_count_check:GetTarget()(e,tp,eg,ep,ev,re,r,rp,chk)
+	else
+		--- cost bypassed, location count check done here
+		local fusion_effect_with_location_count_check=FusionSpell.CreateSummonEffect(e:GetHandler(),{
+			fusfilter=s.fusfilter,
+			extra_target=s.extra_target,
+			skip_location_count_check=false
+		})
+		return fusion_effect_with_location_count_check:GetTarget()(e,tp,eg,ep,ev,re,r,rp,chk)
+	end
+end
+
+function s.extra_target(e,tp,eg,ep,ev,re,r,rp,chk)
 	if chk==0 then
-		local chkf=tp
-		local mg1=Duel.GetFusionMaterial(tp)
-		local res=Duel.IsExistingMatchingCard(c54527349.filter2,tp,LOCATION_EXTRA,0,1,nil,e,tp,mg1,nil,chkf)
-		if not res then
-			local ce=Duel.GetChainMaterial(tp)
-			if ce~=nil then
-				local fgroup=ce:GetTarget()
-				local mg2=fgroup(ce,e,tp)
-				local mf=ce:GetValue()
-				res=Duel.IsExistingMatchingCard(c54527349.filter2,tp,LOCATION_EXTRA,0,1,nil,e,tp,mg2,mf,chkf)
-			end
-		end
-		e:SetLabel(0,0)
-		return label==100 or res
+		return true
 	end
-	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_EXTRA)
 	local cat=e:GetCategory()
-	if e:IsHasType(EFFECT_TYPE_ACTIVATE) and label==100 and rec>0 then
-		e:SetCategory(bit.bor(cat,CATEGORY_RECOVER))
+	local rec=e:GetLabel()
+	if e:IsCostChecked() and rec>0 then
+		e:SetCategory(cat|CATEGORY_RECOVER)
 	else
-		e:SetCategory(bit.band(cat,bit.bnot(CATEGORY_RECOVER)))
+		--- in case of copy, reset the label
+		e:SetLabel(0)
+		e:SetCategory(cat&(~CATEGORY_RECOVER))
 	end
 end
-function c54527349.activate(e,tp,eg,ep,ev,re,r,rp)
-	local chkf=tp
-	local mg1=Duel.GetFusionMaterial(tp):Filter(c54527349.filter1,nil,e)
-	local sg1=Duel.GetMatchingGroup(c54527349.filter2,tp,LOCATION_EXTRA,0,nil,e,tp,mg1,nil,chkf)
-	local mg2=nil
-	local sg2=nil
-	local ce=Duel.GetChainMaterial(tp)
-	if ce~=nil then
-		local fgroup=ce:GetTarget()
-		mg2=fgroup(ce,e,tp)
-		local mf=ce:GetValue()
-		sg2=Duel.GetMatchingGroup(c54527349.filter2,tp,LOCATION_EXTRA,0,nil,e,tp,mg2,mf,chkf)
-	end
-	if sg1:GetCount()>0 or (sg2~=nil and sg2:GetCount()>0) then
-		local sg=sg1:Clone()
-		if sg2 then sg:Merge(sg2) end
-		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
-		local tg=sg:Select(tp,1,1,nil)
-		local tc=tg:GetFirst()
-		if sg1:IsContains(tc) and (sg2==nil or not sg2:IsContains(tc) or not Duel.SelectYesNo(tp,ce:GetDescription())) then
-			local mat1=Duel.SelectFusionMaterial(tp,tc,mg1,nil,chkf)
-			tc:SetMaterial(mat1)
-			Duel.SendtoGrave(mat1,REASON_EFFECT+REASON_MATERIAL+REASON_FUSION)
-			Duel.BreakEffect()
-			Duel.SpecialSummon(tc,SUMMON_TYPE_FUSION,tp,tp,false,false,POS_FACEUP)
-		else
-			local mat2=Duel.SelectFusionMaterial(tp,tc,mg2,nil,chkf)
-			local fop=ce:GetOperation()
-			fop(ce,e,tp,tc,mat2)
-		end
-		tc:CompleteProcedure()
-		local label,rec=e:GetLabel()
-		if e:IsHasType(EFFECT_TYPE_ACTIVATE) and label==100 and rec>0 and Duel.SelectYesNo(tp,aux.Stringid(54527349,0)) then
+
+--- @type FUSION_SPELL_STAGE_X_CALLBACK_FUNCTION
+function s.stage_x_operation(e,tc,tp,stage)
+	if stage==FusionSpell.STAGE_AT_SUMMON_OPERATION_FINISH then
+		local rec=e:GetLabel()
+		if rec>0 and Duel.SelectYesNo(tp,aux.Stringid(id,0)) then
 			Duel.BreakEffect()
 			Duel.Recover(tp,rec,REASON_EFFECT)
+			e:SetLabel(0)
 		end
 	end
 end