--Ufficiale Grandeterra
--Scripted by: XGlitchy30
local s,id=GetID()

function s.initial_effect(c)
	--bigbang
	aux.AddOrigBigbangType(c)
	aux.AddBigbangProc(c,Card.IsNegative,2,2)
	c:EnableReviveLimit()
	--indes
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_INDESTRUCTABLE_BATTLE)
	e1:SetRange(LOCATION_MZONE)
	e1:SetTargetRange(LOCATION_MZONE,0)
	e1:SetTarget(aux.TargetBoolFunction(Card.IsNegative))
	e1:SetValue(1)
	c:RegisterEffect(e1)
	--change position
	local e2=Effect.CreateEffect(c)
	e2:Desc(0)
	e2:SetCategory(CATEGORY_POSITION)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e2:SetProperty(EFFECT_FLAG_DELAY+EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DAMAGE_CAL)
	e2:SetCode(EVENT_SPSUMMON_SUCCESS)
	e2:SetCountLimit(1,id)
	e2:SetTarget(s.postg)
	e2:SetOperation(s.posop)
	c:RegisterEffect(e2)
	--ss
	c:LeaveTrigger(true,1,CATEGORY_SPECIAL_SUMMON,EFFECT_FLAG_CARD_TARGET+EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DAMAGE_CAL,{1,1},s.condition,nil,s.target,s.operation)
end
function s.posfilter(c)
	return not c:IsPosition(POS_FACEUP_DEFENSE) and c:IsCanChangePosition()
end
function s.postg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.posfilter,tp,LOCATION_MZONE,LOCATION_MZONE,1,nil) end
end
function s.posop(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetMatchingGroup(s.posfilter,tp,LOCATION_MZONE,LOCATION_MZONE,nil)
	if #g==0 then return end
	Duel.ChangePosition(g,POS_FACEUP_DEFENSE)
end

function s.condition(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	return c:GetReasonPlayer()~=tp and c:IsReason(REASON_EFFECT)
end
function s.spfilter(c,e,tp)
	return c:IsNegative() and not c:IsCode(id) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.spfilter(chkc,e,tp) end
	if chk==0 then return true end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectTarget(tp,aux.NecroValleyFilter(s.spfilter),tp,LOCATION_GRAVE,0,1,1,nil,e,tp)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,1,0,0)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if Duel.GetLocationCount(tp,LOCATION_MZONE)>0 and tc and tc:IsRelateToEffect(e) then
		Duel.SpecialSummon(tc,0,tp,tp,false,false,POS_FACEUP)
	end
end