workaround for Engraver

script/c101301054.lua

@@ -125,8 +125,11 @@ function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
 	local ac=Duel.AnnounceCard(tp,table.unpack(afilter))
 	s.AddToAnnounced(tp,ac)
 	Duel.SetTargetParam(ac)
-	Auxiliary.DefineGetterTemp(getmetatable(e:GetHandler()),"announce_filter",s.announce_filter_func)
-	Duel.SetOperationInfo(0,CATEGORY_ANNOUNCE,nil,0,tp,0)
+	if #codes>1 then
+		-- it should be at least two possible choices to make it changeable
+		Auxiliary.DefineGetterTemp(getmetatable(e:GetHandler()),"announce_filter",s.announce_filter_func)
+		Duel.SetOperationInfo(0,CATEGORY_ANNOUNCE,nil,0,tp,0)
+	end
 	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
 end
 function s.thlimit(e,c,tp,re)
@@ -213,10 +216,17 @@ function Auxiliary.DefineGetterTemp(mt, field, f)
 	end)
 end
 
+-- workaround for Engraver
+local ARTMEGIA_COUNT=4
+
 function s.announce_filter_func(c)
 	local tp=c:GetControler()
 	local exg=Duel.GetMatchingGroup(aux.AND(Card.IsFaceup,Card.IsSetCard),tp,LOCATION_MZONE,0,nil,0x2cd)
-	local ncodes=s.CreateCodeList(exg,s.announced[tp],nil,nil)
+	local ncodes=s.CreateCodeList(exg,nil,nil,nil)
+	if #ncodes>=ARTMEGIA_COUNT then
+		-- this case Engraver would freeze, so we make it at least don't freeze
+		ncodes={}
+	end
 	local af={
 		TYPE_FUSION+TYPE_SYNCHRO+TYPE_XYZ+TYPE_LINK,OPCODE_ISTYPE,OPCODE_NOT,
 		0x2cd,OPCODE_ISSETCARD,OPCODE_AND,