--串刺しの落とし穴
--Trap Hole of Spikes
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DESTROY+CATEGORY_DAMAGE)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_ATTACK_ANNOUNCE)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	local at=Duel.GetAttacker()
	return at:IsControler(1-tp) and at:IsStatus(STATUS_SUMMON_TURN+STATUS_SPSUMMON_TURN)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	local at=Duel.GetAttacker()
	if chk==0 then return at:IsRelateToBattle() end
	local dam=math.max(at:GetBaseAttack()/2,0)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,at,1,0,0)
	Duel.SetOperationInfo(0,CATEGORY_DAMAGE,nil,0,1-tp,dam)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	local at=Duel.GetAttacker()
	if at:IsRelateToBattle() and Duel.Destroy(at,REASON_EFFECT)~=0 then
		local atk=at:GetBaseAttack()/2
		if atk>0 then
			Duel.Damage(1-tp,atk,REASON_EFFECT)
		end
	end
end