Storage Refill Example

This small code snippet allows you to place a couple of codeable spliters which output to the right side items until the attached storage container the exact given amount of items. It is fully dynamic and can work with an infinite amount of "splitter-storage-pairs". You can define such a splitter storage pair by going to the splitter and give it the nick "Splitter" and any random number you not already use for an other pair. f.e. Splitter 42. Now add to the storage container the nicks "Storage", the number you choose and the number of items you want to have in your container. f.e. Storage 42 100. Make sure everything is in the same network. The splitter outputs first to its connected container, and only if that one is full, it redirects the rest to the middle output.

Setup

You will need a small computer setup with a Lua CPU, a bit ram and a EEPROM filled with the code shown below. Also make sure it is connected with your "splitter-storage-pairs".

Code

splitters = component.proxy(component.findComponent("Splitter"))
containers = component.proxy(component.findComponent("Storage"))
connectors = {}
containerBuffer = {}
containerInvs = {}
splitterContainers = {}
containerMax = {}

function split(inputstr, sep)
 if sep == nil then
  sep = "%s"
 end
 local t={}
  for str in string.gmatch(inputstr, "([^"..sep.."]+)") do
   table.insert(t, str)
  end
 return t
end

function findSplitter(container)
 local id = split(container.nick, " ")[2]
 for _, splitter in pairs(splitters) do
  if split(splitter.nick, " ")[2] == id then
   print(splitter.nick)
   return splitter
  end
 end
 print("not found")
end

for _,container in pairs(containers) do
 local connector = container:getFactoryConnectors()[1]
 print(connector)
 connectors[connector] = container
 event.listen(connector)

 containerBuffer[container] = 0
 containerInvs[container] = container:getInventories()[1]
 splitterContainers[findSplitter(container)] = container
 containerMax[container] = tonumber(split(container.nick)[3])
end

while true do
 e,sender = event.pull(0)
 if e == "ItemTransfer" then
  for connector, container in pairs(connectors) do
   if connector == sender and containerBuffer[container] then
    containerBuffer[container] = containerBuffer[container] - 1
   end
  end
 else
  for _,splitter in pairs(splitters) do
   if splitter:getInput() then
    local container = splitterContainers[splitter]
    if containerBuffer[container] + containerInvs[container].ItemCount < containerMax[container] then
     if splitter:transferItem(0) then
      containerBuffer[container] = containerBuffer[container] + 1
     end
    else
     splitter:transferItem(1)
    end
   end
  end
 end
end

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