storage export perf fix

milo/plugins/exportTask.lua

@@ -18,6 +18,9 @@ function ExportTask:cycle(context)
 
 	for node in context.storage:filterActive('machine', filter) do
 		tasks:add(function()
+
+			local slots
+
 			for _, entry in pairs(node.exports) do
 
 				if not entry.filter then
@@ -66,13 +69,42 @@ function ExportTask:cycle(context)
 				end
 
 				local function exportItems()
+					local function isPossible(key)
+						local filterItem = itemDB:get(key)
+
+						if not node.adapter.__size then
+							node.adapter.__size = node.adapter.size()
+						end
+
+						-- note that this does not guarantee a match - as
+						-- we don't have full meta of item in slot
+						for i = 1, node.adapter.__size do
+							local slot = slots[i]
+							if (not slot or slot.name == filterItem.name and
+								(entry.ignoreDamage or slot.damage == filterItem.damage) and
+								slot.count < filterItem.maxCount) then
+
+								return true
+							end
+						end
+					end
+
 					for key in pairs(entry.filter) do
-						local items = Milo:getMatches(itemDB:splitKey(key), entry)
-						for _,item in pairs(items) do
-							if context.storage:export(node, nil, item.count, item) == 0 then
-								-- TODO: really shouldn't break here as there may be room in other slots
-								-- leaving for now for performance reasons
-								break
+						if not slots then
+							slots = node.adapter.list()
+						end
+						if isPossible(key) then
+							local items = Milo:getMatches(itemDB:splitKey(key), entry)
+							for _,item in pairs(items) do
+								if context.storage:export(node, nil, item.count, item) == 0 then
+									-- TODO: really shouldn't break here as there may be room in other slots
+									-- leaving for now for performance reasons
+
+									break
+								else
+									-- refresh the slots
+									slots = nil
+								end
 							end
 						end
 					end