--真竜機兵ダースメタトロン
function c57761191.initial_effect(c)
	--summon with 3 tribute
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_UNCOPYABLE)
	e1:SetCode(EFFECT_LIMIT_SUMMON_PROC)
	e1:SetCondition(c57761191.ttcon)
	e1:SetOperation(c57761191.ttop)
	e1:SetValue(SUMMON_TYPE_ADVANCE)
	c:RegisterEffect(e1)
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetCode(EFFECT_LIMIT_SET_PROC)
	e2:SetCondition(c57761191.setcon)
	c:RegisterEffect(e2)
	--tribute check
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_SINGLE)
	e3:SetCode(EFFECT_MATERIAL_CHECK)
	e3:SetValue(c57761191.valcheck)
	c:RegisterEffect(e3)
	--immune reg
	local e4=Effect.CreateEffect(c)
	e4:SetType(EFFECT_TYPE_CONTINUOUS+EFFECT_TYPE_SINGLE)
	e4:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
	e4:SetCode(EVENT_SUMMON_SUCCESS)
	e4:SetCondition(c57761191.regcon)
	e4:SetOperation(c57761191.regop)
	e4:SetLabelObject(e3)
	c:RegisterEffect(e4)
	--special summon
	local e5=Effect.CreateEffect(c)
	e5:SetDescription(aux.Stringid(57761191,1))
	e5:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e5:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e5:SetProperty(EFFECT_FLAG_DELAY)
	e5:SetCode(EVENT_DESTROYED)
	e5:SetCondition(c57761191.spcon)
	e5:SetTarget(c57761191.sptg)
	e5:SetOperation(c57761191.spop)
	c:RegisterEffect(e5)
end
function c57761191.otfilter(c)
	return c:IsType(TYPE_CONTINUOUS) and c:IsReleasable(REASON_SUMMON)
end
function c57761191.ttcon(e,c,minc)
	if c==nil then return true end
	local tp=c:GetControler()
	local mg=Duel.GetMatchingGroup(c57761191.otfilter,tp,LOCATION_SZONE,0,nil)
	return minc<=3 and (Duel.GetLocationCount(tp,LOCATION_MZONE)>0 and mg:GetCount()>=3
		or Duel.CheckTribute(c,1) and mg:GetCount()>=2
		or Duel.CheckTribute(c,2) and mg:GetCount()>=1
		or Duel.CheckTribute(c,3))
end
function c57761191.ttop(e,tp,eg,ep,ev,re,r,rp,c)
	local mg=Duel.GetMatchingGroup(c57761191.otfilter,tp,LOCATION_SZONE,0,nil)
	local ft=Duel.GetLocationCount(tp,LOCATION_MZONE)
	local g=Group.CreateGroup()
	local ct=3
	while mg:GetCount()>0 and (ct>2 and Duel.CheckTribute(c,ct-2) or ct>1 and Duel.CheckTribute(c,ct-1) or ct>0 and ft>0)
		and (not Duel.CheckTribute(c,ct) or Duel.SelectYesNo(tp,aux.Stringid(57761191,0))) do
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_RELEASE)
		local g1=mg:Select(tp,1,1,nil)
		g:Merge(g1)
		mg:Sub(g1)
		ct=ct-1
	end
	if g:GetCount()<3 then
		local g2=Duel.SelectTribute(tp,c,3-g:GetCount(),3-g:GetCount())
		g:Merge(g2)
	end
	c:SetMaterial(g)
	Duel.Release(g,REASON_SUMMON+REASON_MATERIAL)
end
function c57761191.setcon(e,c,minc)
	if not c then return true end
	return false
end
function c57761191.valcheck(e,c)
	local g=c:GetMaterial()
	local typ=0
	local tc=g:GetFirst()
	while tc do
		typ=bit.bor(typ,bit.band(tc:GetOriginalType(),0x7))
		tc=g:GetNext()
	end
	e:SetLabel(typ)
end
function c57761191.regcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():IsSummonType(SUMMON_TYPE_ADVANCE)
end
function c57761191.regop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local typ=e:GetLabelObject():GetLabel()
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e1:SetCode(EFFECT_IMMUNE_EFFECT)
	e1:SetRange(LOCATION_MZONE)
	e1:SetReset(RESET_EVENT+RESETS_STANDARD)
	e1:SetValue(c57761191.efilter)
	e1:SetLabel(typ)
	c:RegisterEffect(e1)
	if bit.band(typ,TYPE_MONSTER)~=0 then
		c:RegisterFlagEffect(0,RESET_EVENT+RESETS_STANDARD,EFFECT_FLAG_CLIENT_HINT,1,0,aux.Stringid(57761191,2))
	end
	if bit.band(typ,TYPE_SPELL)~=0 then
		c:RegisterFlagEffect(0,RESET_EVENT+RESETS_STANDARD,EFFECT_FLAG_CLIENT_HINT,1,0,aux.Stringid(57761191,3))
	end
	if bit.band(typ,TYPE_TRAP)~=0 then
		c:RegisterFlagEffect(0,RESET_EVENT+RESETS_STANDARD,EFFECT_FLAG_CLIENT_HINT,1,0,aux.Stringid(57761191,4))
	end
end
function c57761191.efilter(e,te)
	return te:GetHandler():GetOriginalType()&e:GetLabel()~=0 and te:GetOwner()~=e:GetOwner()
end
function c57761191.spcon(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	return (c:IsStatus(STATUS_OPPO_BATTLE) or rp==1-tp) and c:IsPreviousControler(tp) and c:IsPreviousLocation(LOCATION_MZONE)
		and c:IsSummonType(SUMMON_TYPE_ADVANCE)
end
function c57761191.spfilter(c,e,tp)
	return c:IsAttribute(0xf) and c:IsType(0x802040) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
		and Duel.GetLocationCountFromEx(tp,tp,nil,c)>0
end
function c57761191.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(c57761191.spfilter,tp,LOCATION_EXTRA,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_EXTRA)
end
function c57761191.spop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,c57761191.spfilter,tp,LOCATION_EXTRA,0,1,1,nil,e,tp)
	if g:GetCount()>0 then
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
	end
end
