--トリガー・ヴルム (Anime)
--Triggering Wurm (Anime)
--scripted by Larry126, cleaned up by MLD
local s,id,alias=GetID()
function s.initial_effect(c)
	alias=c:GetOriginalCodeRule()
	--Special Summon
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(alias,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetProperty(EFFECT_FLAG_DELAY)
	e1:SetRange(LOCATION_GRAVE)
	e1:SetCode(EVENT_BE_MATERIAL)
	e1:SetCountLimit(1,alias,EFFECT_COUNT_CODE_DUEL)
	e1:SetCondition(s.spcon)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	--Draw
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(alias,1))
	e2:SetCategory(CATEGORY_DRAW)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e2:SetProperty(EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_PLAYER_TARGET)
	e2:SetCode(EVENT_TO_GRAVE)
	e2:SetCondition(s.drcon)
	e2:SetTarget(s.drtg)
	e2:SetOperation(s.drop)
	c:RegisterEffect(e2)
end
function s.drcon(e,tp,eg,ep,ev,re,r,rp)
	return r&0x41==0x41 and re:GetHandler():IsLinkMonster()
end
function s.drtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetTargetPlayer(tp)
	Duel.SetTargetParam(1)
	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,tp,1)
end
function s.drop(e,tp,eg,ep,ev,re,r,rp)
	local p,d=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER,CHAININFO_TARGET_PARAM)
	Duel.Draw(p,d,REASON_EFFECT)
end
function s.spcon(e,tp,eg,ep,ev,re,r,rp)
	return r==REASON_LINK and re:GetHandler():IsAttribute(ATTRIBUTE_DARK)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	local c=e:GetHandler()
	local zone=re:GetHandler():GetLinkedZone(tp)&0x1f
	if chk==0 then return zone~=0 and c:IsCanBeSpecialSummoned(e,0,tp,false,false,POS_FACEUP_ATTACK,tp,zone) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,c,1,0,0)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local zone=re:GetHandler():GetLinkedZone(tp)&0x1f
	if c:IsRelateToEffect(e) and zone~=0 then
		Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP_ATTACK,zone)
	end
end