Add 究極融合 to new fusion + add callback stage STAGE_BEFORE_MOVE_MATERIAL

c71143015.lua

 --究極融合
-function c71143015.initial_effect(c)
+local s,id,o=GetID()
+function s.initial_effect(c)
 	aux.AddCodeList(c,89631139,23995346)
 	--Activate
-	local e1=Effect.CreateEffect(c)
+	local e1=FusionSpell.CreateSummonEffect(c,{
+		fusfilter=s.fusfilter,
+		pre_select_mat_location=LOCATION_HAND|LOCATION_MZONE|LOCATION_GRAVE,
+		mat_operation_code_map={
+			{ [LOCATION_DECK]=FusionSpell.FUSION_OPERATION_GRAVE },
+			{ [0xff]=FusionSpell.FUSION_OPERATION_SHUFFLE }
+		},
+		stage_x_operation=s.stage_x_operation
+	})
 	e1:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_FUSION_SUMMON+CATEGORY_GRAVE_ACTION)
-	e1:SetType(EFFECT_TYPE_ACTIVATE)
-	e1:SetCode(EVENT_FREE_CHAIN)
 	e1:SetHintTiming(0,TIMINGS_CHECK_MONSTER+TIMING_MAIN_END)
-	e1:SetCountLimit(1,71143015+EFFECT_COUNT_CODE_OATH)
-	e1:SetCondition(c71143015.condition)
-	e1:SetTarget(c71143015.target)
-	e1:SetOperation(c71143015.activate)
+	e1:SetCountLimit(1,id+EFFECT_COUNT_CODE_OATH)
+	e1:SetCondition(s.condition)
 	c:RegisterEffect(e1)
 end
-function c71143015.condition(e,tp,eg,ep,ev,re,r,rp)
+
+function s.condition(e,tp,eg,ep,ev,re,r,rp)
 	local ph=Duel.GetCurrentPhase()
 	return ph==PHASE_MAIN1 or ph==PHASE_MAIN2
 end
-function c71143015.filter0(c,e)
-	return c:IsType(TYPE_MONSTER) and c:IsCanBeFusionMaterial() and c:IsAbleToDeck() and not c:IsImmuneToEffect(e)
+
+function s.fusfilter(c)
+	return aux.IsMaterialListCode(c,89631139)==true or aux.IsMaterialListCode(c,23995346)==true
 end
-function c71143015.filter1(c,e,tp,m,f,chkf)
-	if not (c:IsType(TYPE_FUSION) and (aux.IsMaterialListCode(c,89631139) or aux.IsMaterialListCode(c,23995346)) and (not f or f(c))
-		and c:IsCanBeSpecialSummoned(e,SUMMON_TYPE_FUSION,tp,false,false)) then return false end
-	aux.FCheckAdditional=c.ultimate_fusion_check or c71143015.fcheck
-	local res=c:CheckFusionMaterial(m,nil,chkf)
-	aux.FCheckAdditional=nil
-	return res
-end
-function c71143015.fcheck(tp,sg,fc)
-	return sg:IsExists(Card.IsFusionCode,1,nil,89631139) and aux.IsMaterialListCode(fc,89631139)
-		or sg:IsExists(Card.IsFusionCode,1,nil,23995346) and aux.IsMaterialListCode(fc,23995346)
-end
-function c71143015.target(e,tp,eg,ep,ev,re,r,rp,chk)
-	if chk==0 then
-		local chkf=tp
-		local mg=Duel.GetMatchingGroup(c71143015.filter0,tp,LOCATION_HAND+LOCATION_ONFIELD+LOCATION_GRAVE,0,nil,e)
-		local res=Duel.IsExistingMatchingCard(c71143015.filter1,tp,LOCATION_EXTRA,0,1,nil,e,tp,mg,nil,chkf)
-		if not res then
-			local ce=Duel.GetChainMaterial(tp)
-			if ce~=nil then
-				local fgroup=ce:GetTarget()
-				local mg3=fgroup(ce,e,tp)
-				local mf=ce:GetValue()
-				res=Duel.IsExistingMatchingCard(c71143015.filter1,tp,LOCATION_EXTRA,0,1,nil,e,tp,mg3,mf,chkf)
-			end
+
+--- @type FUSION_FGCHECK_FUNCTION
+function s.fcheck(tp,mg,fc,mg_all)
+	if fc.ultimate_fusion_check~=nil then
+		if fc.ultimate_fusion_check(tp,mg_all,fc)==false then
+			return false
 		end
-		return res
+	elseif not (mg_all:IsExists(function(c) return c:IsFusionCode(89631139) end,1,nil) and aux.IsMaterialListCode(fc,89631139)==true
+		or mg_all:IsExists(function(c) return c:IsFusionCode(23995346) end,1,nil) and aux.IsMaterialListCode(fc,23995346)==true) then
+			return false
 	end
-	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_EXTRA)
+	return true
 end
-function c71143015.desfilter(c)
+
+function s.desfilter(c)
 	return c:IsFusionCode(89631139,23995346) and c:IsOnField()
 end
-function c71143015.activate(e,tp,eg,ep,ev,re,r,rp)
-	local chkf=tp
-	local mg=Duel.GetMatchingGroup(aux.NecroValleyFilter(c71143015.filter0),tp,LOCATION_HAND+LOCATION_ONFIELD+LOCATION_GRAVE,0,nil,e)
-	local sg1=Duel.GetMatchingGroup(c71143015.filter1,tp,LOCATION_EXTRA,0,nil,e,tp,mg,nil,chkf)
-	local mg3=nil
-	local sg2=nil
-	local ct=0
-	local spchk=0
-	local ce=Duel.GetChainMaterial(tp)
-	if ce~=nil then
-		local fgroup=ce:GetTarget()
-		mg3=fgroup(ce,e,tp)
-		local mf=ce:GetValue()
-		sg2=Duel.GetMatchingGroup(c71143015.filter1,tp,LOCATION_EXTRA,0,nil,e,tp,mg3,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()
-		aux.FCheckAdditional=tc.ultimate_fusion_check or c71143015.fcheck
-		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,mg,nil,chkf)
-			ct=mat1:FilterCount(c71143015.desfilter,nil)
-			tc:SetMaterial(mat1)
-			if mat1:IsExists(Card.IsFacedown,1,nil) then
-				local cg=mat1:Filter(Card.IsFacedown,nil)
-				Duel.ConfirmCards(1-tp,cg)
-			end
-			if mat1:Filter(c71143015.cfilter,nil):GetCount()>0 then
-				local cg=mat1:Filter(c71143015.cfilter,nil)
-				Duel.HintSelection(cg)
-			end
-			Duel.SendtoDeck(mat1,nil,SEQ_DECKSHUFFLE,REASON_EFFECT+REASON_MATERIAL+REASON_FUSION)
-			Duel.BreakEffect()
-			Duel.SpecialSummon(tc,SUMMON_TYPE_FUSION,tp,tp,false,false,POS_FACEUP)
-			spchk=1
+
+--- @type FUSION_SPELL_STAGE_X_CALLBACK_FUNCTION
+function s.stage_x_operation(e,tc,tp,stage,mg_fuison_spell,mg_all)
+	if stage==FusionSpell.STAGE_BEFORE_MOVE_MATERIAL then
+		--- calculate the count of 青眼の白龍 and 青眼の究極竜
+		local destory_count=mg_all:FilterCount(s.desfilter,nil)
+		if destory_count>0 then
+			e:SetLabel(destory_count)
 		else
-			local mat2=Duel.SelectFusionMaterial(tp,tc,mg3,nil,chkf)
-			ct=mat2:FilterCount(c71143015.desfilter,nil)
-			local fop=ce:GetOperation()
-			fop(ce,e,tp,tc,mat2)
-			spchk=1
+			e:SetLabel(0)
+		end
+	elseif stage==FusionSpell.STAGE_AT_SUMMON_OPERATION_FINISH then
+		local destory_count=e:GetLabel()
+		if destory_count>0 and Duel.IsExistingMatchingCard(function(c) return c:IsFaceup() end,tp,0,LOCATION_ONFIELD,1,nil) and Duel.SelectYesNo(tp,aux.Stringid(id,0)) then
+			Duel.BreakEffect()
+			Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
+			local dg=Duel.SelectMatchingCard(tp,Card.IsFaceup,tp,0,LOCATION_ONFIELD,1,destory_count,nil)
+			Duel.HintSelection(dg)
+			Duel.Destroy(dg,REASON_EFFECT)
+			e:SetLabel(0)
 		end
-		tc:CompleteProcedure()
-	end
-	aux.FCheckAdditional=nil
-	if ct>0 and spchk>0 and Duel.IsExistingMatchingCard(Card.IsFaceup,tp,0,LOCATION_ONFIELD,1,nil) and Duel.SelectYesNo(tp,aux.Stringid(71143015,0)) then
-		Duel.BreakEffect()
-		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
-		local dg=Duel.SelectMatchingCard(tp,Card.IsFaceup,tp,0,LOCATION_ONFIELD,1,ct,nil)
-		Duel.HintSelection(dg)
-		Duel.Destroy(dg,REASON_EFFECT)
 	end
 end
-function c71143015.cfilter(c)
-	return c:IsLocation(LOCATION_GRAVE) or (c:IsLocation(LOCATION_MZONE) and c:IsFaceup())
-end

procedure.lua

@@ -2731,6 +2731,8 @@ function FusionSpell.GetSummonOperation(
 						end
 						Duel.HintSelection(materials-confirm_materials)
 
+						stage_x_operation(e,tc,tp,FusionSpell.STAGE_BEFORE_MOVE_MATERIAL,materials_from_spell_card,materials)
+
 						local operated_material_count=0
 						-- perform operations on grouped materials
 						for operation,grouped_materials in pairs(material_grouped_by_op) do
@@ -2955,10 +2957,16 @@ end
 ---@alias FUSION_SPELL_STAGE_X_CALLBACK_FUNCTION fun(e:Effect,tc:Card,tp:integer,stage:FUSION_SPELL_CALLBACK_STAGE,mg_fuison_spell:Group,mg_all:Group)
 -- different stage for call back
 ---@alias FUSION_SPELL_CALLBACK_STAGE integer
+-- Right before the Fusion Monster is officially summoned
 FusionSpell.STAGE_BEFORE_SUMMON_COMPLETE=1
+-- Right before the entire Fusion procedure finishes
 FusionSpell.STAGE_BEFORE_PROCEDURE_COMPLETE=2
+-- After the summon operation succeeds
 FusionSpell.STAGE_AT_SUMMON_OPERATION_FINISH=3
+-- After **all** operations have run, whether the summon succeeded or not
 FusionSpell.STAGE_AT_ALL_OPERATION_FINISH=4
+-- Right before the selected materials are moved
+FusionSpell.STAGE_BEFORE_MOVE_MATERIAL=5
 
 -- operation that would be applied on the material
 ---@alias FUSION_OPERATION_CODE integer