--地縛融合
local s,id,o=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_FUSION_SUMMON)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
	--search
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetCountLimit(1,id)
	e2:SetCost(aux.bfgcost)
	e2:SetCondition(s.condition1)
	e2:SetTarget(s.sptg)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
end
function s.condition1(e,tp,eg,ep,ev,re,r,rp)
	local ph=Duel.GetCurrentPhase()
	return Duel.GetTurnPlayer()==tp and (ph==PHASE_MAIN1 or ph==PHASE_MAIN2)
		and Duel.IsExistingMatchingCard(nil,tp,LOCATION_FZONE,LOCATION_FZONE,1,nil)
end
function s.spfilter(c,e,tp)
	return c:IsSetCard(0x21) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_HAND+LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_HAND+LOCATION_GRAVE)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)>0 then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		local tc=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.spfilter),tp,LOCATION_HAND+LOCATION_GRAVE,0,1,1,nil,e,tp):GetFirst()
		if tc then
			Duel.SpecialSummon(tc,0,tp,tp,false,false,POS_FACEUP)
		end
	end
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_CANNOT_SPECIAL_SUMMON)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetTargetRange(1,0)
	e1:SetTarget(s.splimit)
	e1:SetReset(RESET_PHASE+PHASE_END)
	Duel.RegisterEffect(e1,tp)
end
function s.splimit(e,c)
	return not (c:IsType(TYPE_SYNCHRO) or c:IsType(TYPE_FUSION)) and c:IsLocation(LOCATION_EXTRA)
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	local ph=Duel.GetCurrentPhase()
	return Duel.IsExistingMatchingCard(nil,tp,LOCATION_FZONE,LOCATION_FZONE,1,nil)
		or ph==PHASE_MAIN1 or ph==PHASE_MAIN2
end
function s.filter1(c,e)
	return not c:IsImmuneToEffect(e)
end
function s.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 s.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(s.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(s.filter2,tp,LOCATION_EXTRA,0,1,nil,e,tp,mg2,mf,chkf)
			end
		end
		return res
	end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_EXTRA)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	local chkf=tp
	local mg1=Duel.GetFusionMaterial(tp):Filter(s.filter1,nil,e)
	local sg1=Duel.GetMatchingGroup(s.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(s.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()
	end
end