--捕食惑星
function c51858200.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e1)
	--search
	local e0=Effect.CreateEffect(c)
	e0:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
	e0:SetCode(EVENT_LEAVE_FIELD_P)
	e0:SetRange(LOCATION_SZONE)
	e0:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
	e0:SetOperation(c51858200.regop)
	c:RegisterEffect(e0)
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(51858200,0))
	e2:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e2:SetProperty(EFFECT_FLAG_DAMAGE_STEP)
	e2:SetCode(EVENT_LEAVE_FIELD)
	e2:SetRange(LOCATION_SZONE)
	e2:SetCountLimit(1,51858200)
	e2:SetCondition(c51858200.thcon)
	e2:SetTarget(c51858200.thtg)
	e2:SetOperation(c51858200.thop)
	e2:SetLabelObject(e0)
	c:RegisterEffect(e2)
	--fusion summon
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(51858200,1))
	e3:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_FUSION_SUMMON)
	e3:SetType(EFFECT_TYPE_QUICK_O)
	e3:SetCode(EVENT_FREE_CHAIN)
	e3:SetRange(LOCATION_GRAVE)
	e3:SetCost(aux.bfgcost)
	e3:SetTarget(c51858200.sptg)
	e3:SetOperation(c51858200.spop)
	c:RegisterEffect(e3)
end
c51858200.fusion_effect=true
function c51858200.cfilter(c)
	return c:IsLocation(LOCATION_MZONE) and c:GetCounter(0x1041)>0
end
function c51858200.regop(e,tp,eg,ep,ev,re,r,rp)
	if eg:IsExists(c51858200.cfilter,1,nil) then
		e:SetLabel(1)
	else e:SetLabel(0) end
end
function c51858200.thcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetLabelObject():GetLabel()==1
end
function c51858200.thfilter(c)
	return c:IsSetCard(0xf3) and c:IsAbleToHand()
end
function c51858200.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
end
function c51858200.thop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,c51858200.thfilter,tp,LOCATION_DECK,0,1,1,nil)
	if g:GetCount()>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
	end
end
function c51858200.spfilter1(c,e)
	return c:IsSetCard(0x10f3) and not c:IsImmuneToEffect(e)
end
function c51858200.spfilter2(c,e,tp,m,f,chkf)
	return c:IsType(TYPE_FUSION) and (not f or f(c))
		and c:IsCanBeSpecialSummoned(e,SUMMON_TYPE_FUSION,tp,false,false) and c:CheckFusionMaterial(m,nil,chkf)
end
function c51858200.spfilter3(c)
	return c:IsCanBeFusionMaterial() and c:IsSetCard(0x10f3)
end
function c51858200.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then
		local chkf=tp
		local mg1=Duel.GetFusionMaterial(tp):Filter(Card.IsSetCard,nil,0x10f3)
		local res=Duel.IsExistingMatchingCard(c51858200.spfilter2,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):Filter(c51858200.spfilter3,nil)
				local mf=ce:GetValue()
				res=Duel.IsExistingMatchingCard(c51858200.spfilter2,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 c51858200.spop(e,tp,eg,ep,ev,re,r,rp)
	local chkf=tp
	local mg1=Duel.GetFusionMaterial(tp):Filter(c51858200.spfilter1,nil,e)
	local sg1=Duel.GetMatchingGroup(c51858200.spfilter2,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):Filter(c51858200.spfilter3,nil)
		local mf=ce:GetValue()
		sg2=Duel.GetMatchingGroup(c51858200.spfilter2,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
