--使い捨て学習装置
--Disposable Learner Device
--Scripted by ahtelel
local s,id=GetID()
function s.initial_effect(c)
	aux.AddEquipProcedure(c)
	--Equipped monster gains 200 ATK per monster in GY
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_EQUIP)
	e1:SetCode(EFFECT_UPDATE_ATTACK)
	e1:SetValue(s.val)
	c:RegisterEffect(e1)
	--Register the fact it was sent from field to GY
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_CONTINUOUS)
	e2:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
	e2:SetCode(EVENT_TO_GRAVE)
	e2:SetCondition(s.regcon)
	e2:SetOperation(s.regop)
	c:RegisterEffect(e2)
	--Set itself from GY
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e3:SetRange(LOCATION_GRAVE)
	e3:SetCode(EVENT_PHASE+PHASE_END)
	e3:SetCountLimit(1,id,EFFECT_COUNT_CODE_OATH)
	e3:SetCondition(s.setcon)
	e3:SetTarget(s.settg)
	e3:SetOperation(s.setop)
	c:RegisterEffect(e3)
end
function s.val(e,c)
	return Duel.GetMatchingGroupCount(Card.IsMonster,e:GetHandler():GetControler(),LOCATION_GRAVE,0,nil)*200
end
function s.regcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():IsPreviousLocation(LOCATION_ONFIELD)
end
function s.regop(e,tp,eg,ep,ev,re,r,rp)
	e:GetHandler():RegisterFlagEffect(id,RESETS_STANDARD_PHASE_END,0,1)
end
function s.setcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():GetFlagEffect(id)>0
end
function s.settg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():IsSSetable() end
	Duel.SetOperationInfo(0,CATEGORY_LEAVE_GRAVE,e:GetHandler(),1,0,0)
end
function s.setop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) and c:IsSSetable() then
		Duel.SSet(tp,c)
		--Banish it if it leaves the field
		local e1=Effect.CreateEffect(c)
		e1:SetDescription(3300)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_LEAVE_FIELD_REDIRECT)
		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_CLIENT_HINT)
		e1:SetReset(RESET_EVENT|RESETS_REDIRECT)
		e1:SetValue(LOCATION_REMOVED)
		c:RegisterEffect(e1)
	end
end