--リバース・バスター
--Reverse Buster
local s,id=GetID()
function s.initial_effect(c)
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_CANNOT_SELECT_BATTLE_TARGET)
	e1:SetValue(s.vala)
	c:RegisterEffect(e1)
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetCode(EFFECT_CANNOT_DIRECT_ATTACK)
	c:RegisterEffect(e2)
	--actlimit
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_FIELD)
	e3:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e3:SetCode(EFFECT_CANNOT_ACTIVATE)
	e3:SetRange(LOCATION_MZONE)
	e3:SetTargetRange(0,1)
	e3:SetValue(s.aclimit)
	e3:SetCondition(s.actcon)
	c:RegisterEffect(e3)
	--destroy
	local e4=Effect.CreateEffect(c)
	e4:SetDescription(aux.Stringid(id,0))
	e4:SetCategory(CATEGORY_DESTROY)
	e4:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e4:SetCode(EVENT_BATTLE_START)
	e4:SetCondition(s.descon)
	e4:SetTarget(s.destg)
	e4:SetOperation(s.desop)
	c:RegisterEffect(e4)
end
function s.vala(e,c)
	return not c:IsFacedown()
end
function s.aclimit(e,re,tp)
	return re:IsHasType(EFFECT_TYPE_ACTIVATE)
end
function s.actcon(e)
	return Duel.GetAttacker()==e:GetHandler()
end
function s.descon(e,tp,eg,ep,ev,re,r,rp)
	local d=Duel.GetAttackTarget()
	return e:GetHandler()==Duel.GetAttacker() and d and d:IsFacedown() and d:IsDefensePos()
end
function s.destg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,Duel.GetAttackTarget(),1,0,0)
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	local d=Duel.GetAttackTarget()
	if d:IsRelateToBattle() then
		Duel.Destroy(d,REASON_EFFECT)
	end
end