--ディアバウンド・カーネル
--Diabound Kernel
local s,id=GetID()
function s.initial_effect(c)
	--atk up
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_ATKCHANGE)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e1:SetCode(EVENT_ATTACK_ANNOUNCE)
	e1:SetOperation(s.atkop1)
	c:RegisterEffect(e1)
	--atk down
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_ATKCHANGE+CATEGORY_REMOVE)
	e2:SetType(EFFECT_TYPE_QUICK_O)
	e2:SetCode(EVENT_FREE_CHAIN)
	e2:SetProperty(EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_CARD_TARGET)
	e2:SetRange(LOCATION_MZONE)
	e2:SetHintTiming(TIMING_DAMAGE_STEP)
	e2:SetCountLimit(1,id)
	e2:SetCondition(aux.StatChangeDamageStepCondition)
	e2:SetTarget(s.atktg)
	e2:SetOperation(s.atkop2)
	c:RegisterEffect(e2)
end
function s.atkop1(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsFaceup() and c:IsRelateToEffect(e) then
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_UPDATE_ATTACK)
		e1:SetValue(600)
		e1:SetReset(RESET_EVENT|RESETS_STANDARD_DISABLE)
		c:RegisterEffect(e1)
	end
end
function s.atktg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and chkc:IsControler(1-tp) and chkc:IsFaceup() end
	if chk==0 then return e:GetHandler():IsAbleToRemove() and e:GetHandler():GetAttack()>0
		and Duel.IsExistingTarget(Card.IsFaceup,tp,0,LOCATION_MZONE,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_FACEUP)
	Duel.SelectTarget(tp,Card.IsFaceup,tp,0,LOCATION_MZONE,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_REMOVE,e:GetHandler(),1,0,0)
end
function s.atkop2(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) and tc:IsFaceup() and c:IsFaceup() then
		local atk=c:GetAttack()
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_UPDATE_ATTACK)
		e1:SetValue(-atk)
		e1:SetReset(RESETS_STANDARD_PHASE_END)
		tc:RegisterEffect(e1)
		if c:IsRelateToEffect(e) and not tc:IsHasEffect(EFFECT_REVERSE_UPDATE) then
			Duel.BreakEffect()
			if Duel.Remove(c,0,REASON_EFFECT|REASON_TEMPORARY)~=0 then
				local e2=Effect.CreateEffect(c)
				e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
				e2:SetCode(EVENT_PHASE|PHASE_STANDBY)
				e2:SetCountLimit(1)
				e2:SetLabel(Duel.GetTurnCount())
				e2:SetLabelObject(c)
				e2:SetCondition(s.retcon)
				e2:SetOperation(s.retop)
				if Duel.GetCurrentPhase()<=PHASE_STANDBY then
					e2:SetReset(RESET_EVENT|RESETS_STANDARD|RESET_PHASE|PHASE_STANDBY,2)
				else
					e2:SetReset(RESET_EVENT|RESETS_STANDARD|RESET_PHASE|PHASE_STANDBY)
				end
				Duel.RegisterEffect(e2,tp)
			end
		end
	end
end
function s.retcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.GetTurnCount()>e:GetLabel()
end
function s.retop(e,tp,eg,ep,ev,re,r,rp)
	Duel.ReturnToField(e:GetLabelObject())
end