--塊斬機ダランベルシアン
--Primathmech Alembertian
--Scripted by AlphaKretin
local s,id=GetID()
function s.initial_effect(c)
	c:EnableReviveLimit()
	--Xyz Summon procedure: 2+ Level 4 monsters
	Xyz.AddProcedure(c,nil,4,2,nil,nil,Xyz.InfiniteMats)
	--Special Summon 1 Level 4 "Mathmech" monster from your hand or GY
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCountLimit(1,id)
	e1:SetCost(s.spcost)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	--Activate the appropriate effect based on the number of materials detached
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e2:SetProperty(EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DELAY)
	e2:SetCode(EVENT_SPSUMMON_SUCCESS)
	e2:SetCountLimit(1,{id,1})
	e2:SetCondition(function(e) return e:GetHandler():IsXyzSummoned() end)
	e2:SetCost(Cost.Choice(
		{Cost.DetachFromSelf(2),aux.Stringid(id,2),s.thcheck(s.mmfilter)},
		{Cost.DetachFromSelf(3),aux.Stringid(id,3),s.thcheck(s.l4filter)},
		{Cost.DetachFromSelf(4),aux.Stringid(id,4),s.thcheck(s.stfilter)}
	))
	e2:SetTarget(s.thtg)
	e2:SetOperation(s.thop)
	c:RegisterEffect(e2)
end
s.listed_series={SET_MATHMECH}
function s.spcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.CheckReleaseGroupCost(tp,nil,1,false,aux.ReleaseCheckMMZ,nil) end
	local g=Duel.SelectReleaseGroupCost(tp,nil,1,1,false,aux.ReleaseCheckMMZ,nil)
	Duel.Release(g,REASON_COST)
end
function s.spfilter(c,e,tp)
	return c:IsSetCard(SET_MATHMECH) and c:IsLevel(4) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chk==0 then return Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_HAND|LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_HAND|LOCATION_GRAVE)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.spfilter),tp,LOCATION_HAND|LOCATION_GRAVE,0,1,1,nil,e,tp)
	if #g>0 then
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
	end
end
function s.mmfilter(c)
	return c:IsSetCard(SET_MATHMECH) and c:IsAbleToHand()
end
function s.l4filter(c)
	return c:IsLevel(4) and c:IsAbleToHand()
end
function s.stfilter(c)
	return c:IsSpellTrap() and c:IsAbleToHand()
end
function s.thcheck(filter)
	return function(e,tp)
		return Duel.IsExistingMatchingCard(filter,tp,LOCATION_DECK,0,1,nil)
	end
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	local op=e:GetLabel()
	local filter=(op==1 and s.mmfilter)
		or (op==2 and s.l4filter)
		or s.stfilter
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,filter,tp,LOCATION_DECK,0,1,1,nil)
	if #g>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
	end
end
