--ハイドロプレッシャーカノン
function c12174035.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_EQUIP)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetTarget(c12174035.target)
	e1:SetOperation(c12174035.operation)
	c:RegisterEffect(e1)
	--Equip limit
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetCode(EFFECT_EQUIP_LIMIT)
	e2:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
	e2:SetValue(c12174035.eqlimit)
	c:RegisterEffect(e2)
	--handes
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(12174035,0))
	e3:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e3:SetRange(LOCATION_SZONE)
	e3:SetCategory(CATEGORY_TOGRAVE)
	e3:SetCode(EVENT_BATTLE_DESTROYING)
	e3:SetCondition(c12174035.hdcon)
	e3:SetTarget(c12174035.hdtg)
	e3:SetOperation(c12174035.hdop)
	c:RegisterEffect(e3)
end
function c12174035.eqlimit(e,c)
	return c:IsLevelBelow(3) and c:IsAttribute(ATTRIBUTE_WATER)
end
function c12174035.filter(c)
	return c:IsFaceup() and c:IsLevelBelow(3) and c:IsAttribute(ATTRIBUTE_WATER)
end
function c12174035.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and c12174035.filter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(c12174035.filter,tp,LOCATION_MZONE,LOCATION_MZONE,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_EQUIP)
	Duel.SelectTarget(tp,c12174035.filter,tp,LOCATION_MZONE,LOCATION_MZONE,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_EQUIP,e:GetHandler(),1,0,0)
end
function c12174035.operation(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local tc=Duel.GetFirstTarget()
	if c:IsRelateToEffect(e) and tc:IsRelateToEffect(e) and tc:IsFaceup() then
		Duel.Equip(tp,c,tc)
	end
end
function c12174035.hdcon(e,tp,eg,ep,ev,re,r,rp)
	return eg:GetFirst()==e:GetHandler():GetEquipTarget() and not eg:GetFirst():IsStatus(STATUS_SELF_BATTLE)
end
function c12174035.hdtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_TOGRAVE,nil,1,1-tp,LOCATION_HAND)
end
function c12174035.hdop(e,tp,eg,ep,ev,re,r,rp)
	if not e:GetHandler():IsRelateToEffect(e) then return end
	local g=Duel.GetFieldGroup(tp,0,LOCATION_HAND)
	if g:GetCount()==0 then return end
	local sg=g:RandomSelect(tp,1)
	Duel.SendtoGrave(sg,REASON_EFFECT)
end
