--Shadowflame Beacon
--Design and code by Kindrindra
local ref=_G['c'..28915259]
local id=28915259
function ref.initial_effect(c)
	--Equip
	aux.AddEquipProcedure(c,nil,ref.eqfilter)
	--Grant Move
	----Granted Effect
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetProperty(EFFECT_FLAG_DAMAGE_STEP)
	e2:SetType(EFFECT_TYPE_QUICK_O)
	e2:SetCode(EVENT_FREE_CHAIN)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1)
	--e2:SetCondition(ref.seqcon)
	e2:SetTarget(ref.seqtg)
	e2:SetOperation(ref.seqop)
	--c:RegisterEffect(e2)
	----Grant
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_GRANT)
	e3:SetRange(LOCATION_SZONE)
	e3:SetTargetRange(LOCATION_MZONE,LOCATION_MZONE)
	e3:SetTarget(ref.eftg)
	e3:SetLabelObject(e2)
	c:RegisterEffect(e3)
	--Fusion
	local e4=Effect.CreateEffect(c)
	e4:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e4:SetCode(EVENT_LEAVE_FIELD)
	e4:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e4:SetProperty(EFFECT_FLAG_DELAY+EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_CARD_TARGET)
	e4:SetCountLimit(1,id)
	e4:SetTarget(ref.sptg)
	e4:SetOperation(ref.spop)
	c:RegisterEffect(e4)
end

--Grant Move
----Grant
function ref.eftg(e,c)
	local ec=e:GetHandler():GetEquipTarget()
	return ec==c --and c:IsType(TYPE_EFFECT)
end
----Granted Effect
function ref.seqcon(e,tp,eg,ep,ev,re,r,rp)
	return not e:GetHandler():IsCode(id)
end
function ref.seqtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE,tp,LOCATION_REASON_CONTROL)>0 end
end
function ref.seqop(e,tp,eg,ep,ev,re,r,rp)
	local tc=e:GetHandler()
	if not tc:IsRelateToEffect(e) or tc:IsControler(1-tp) or Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOZONE)
	local s=Duel.SelectDisableField(tp,1,LOCATION_MZONE,0,0)
	local nseq=math.log(s,2)
	Duel.MoveSequence(tc,nseq)
	local ct=e:GetHandler():GetColumnGroup():GetCount()+1
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_UPDATE_ATTACK)
	e1:SetValue(ct*300)
	e1:SetReset(RESET_EVENT+0x1fe0000+RESET_PHASE+PHASE_END)
	tc:RegisterEffect(e1)
end

--Fusion
function ref.spfilter1(c,e)
	return not c:IsImmuneToEffect(e)
end
function ref.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 ref.sptg(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(ref.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)
				local mf=ce:GetValue()
				res=Duel.IsExistingMatchingCard(ref.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 ref.spop(e,tp,eg,ep,ev,re,r,rp)
	local chkf=tp
	local mg1=Duel.GetFusionMaterial(tp):Filter(ref.spfilter1,nil,e)
	local sg1=Duel.GetMatchingGroup(ref.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)
		local mf=ce:GetValue()
		sg2=Duel.GetMatchingGroup(ref.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