--天地晦冥
--A World Shrouded in Darkness
--coded by Lyris
local s,id,o=GetID()
function s.initial_effect(c)
	--Activate
	local e0=Effect.CreateEffect(c)
	e0:SetType(EFFECT_TYPE_ACTIVATE)
	e0:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e0)
	--destroy
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DESTROY)
	e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e1:SetCode(EVENT_BATTLE_DAMAGE)
	e1:SetRange(LOCATION_FZONE)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCondition(s.descon)
	e1:SetTarget(s.destg)
	e1:SetOperation(s.desop)
	c:RegisterEffect(e1)
	--spsummon
	local e2=Effect.CreateEffect(c)
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e2:SetCode(EVENT_TO_GRAVE)
	e2:SetProperty(EFFECT_FLAG_DELAY+EFFECT_FLAG_CARD_TARGET)
	e2:SetCondition(s.spcon)
	e2:SetTarget(s.sptg)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
	local e3=e2:Clone()
	e3:SetCode(EVENT_REMOVE)
	c:RegisterEffect(e3)
end
function s.descon(e,tp,eg,ep,ev,re,r,rp)
	return ep~=tp and eg:GetFirst():IsControler(tp) and eg:GetFirst():IsSetCard(0x2b)
end
function s.destg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsOnField() and chkc:IsControler(1-tp) end
	if chk==0 then return Duel.IsExistingTarget(nil,tp,0,LOCATION_ONFIELD,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.SelectTarget(tp,nil,tp,0,LOCATION_ONFIELD,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,1,0,0)
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) then Duel.Destroy(tc,REASON_EFFECT) end
end
function s.spcon(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	return rp==1-tp and c:IsPreviousControler(c:GetOwner()) and c:IsPreviousLocation(LOCATION_FZONE)
		and c:IsPreviousPosition(POS_FACEUP) and c:IsReason(REASON_EFFECT)
end
function s.filter(c,e,tp)
	return c:IsSetCard(0x2b) and c:IsCanBeEffectTarget(e)
		and c:IsCanBeSpecialSummoned(e,0,tp,false,false,POS_FACEDOWN_DEFENSE)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.filter(chkc,e,tp) end
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingTarget(s.filter,tp,LOCATION_GRAVE,0,1,nil,e,tp) end
	local ft=Duel.GetLocationCount(tp,LOCATION_MZONE)
	if Duel.IsPlayerAffectedByEffect(tp,59822133) then ft=1 end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.GetMatchingGroup(s.filter,tp,LOCATION_GRAVE,0,nil,e,tp):SelectSubGroup(tp,aux.dncheck,false,1,ft)
	Duel.SetTargetCard(g)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,#g,0,0)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	local ft=Duel.GetLocationCount(tp,LOCATION_MZONE)
	if ft<=0 then return end
	local sg=Duel.GetChainInfo(0,CHAININFO_TARGET_CARDS):Filter(Card.IsRelateToEffect,nil,e)
	if #sg>1 and Duel.IsPlayerAffectedByEffect(tp,59822133) then return end
	if #sg>ft then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		sg=sg:Select(tp,ft,ft,nil)
	end
	Duel.SpecialSummon(sg,0,tp,tp,false,false,POS_FACEDOWN_DEFENSE)
end
