remove core from fusion

c31444249.lua

@@ -28,7 +28,8 @@ function s.initial_effect(c)
 	local e4=FusionSpell.CreateSummonEffect(c,{
 		fusfilter=s.fusfilter,
 		pre_select_mat_location=s.pre_select_mat_location,
-		additional_fcheck=s.fcheck
+		additional_fcheck=s.fcheck,
+		fcheck_signature=s.fcheck_signature,
 	})
 	e4:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_FUSION_SUMMON+CATEGORY_DECKDES)
 	e4:SetType(EFFECT_TYPE_IGNITION)
@@ -72,3 +73,8 @@ function s.fcheck(tp,mg,fc,mg_all)
 	end
 	return true
 end
+
+--- Helper function to speed up select material, for this fusion, only location of the material matters for fcheck
+function s.fcheck_signature(mc)
+	return mc:IsLocation(LOCATION_DECK)
+end