60 lines
1.5 KiB
Lua
60 lines
1.5 KiB
Lua
-- Program to gather excess from farms and compost it
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local CHECKS = {}
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CHECKS["minecraft:kelp"] = 8 * 64
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local SOURCES =
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{ ""
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}
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local COMPOST_INV = ""
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local SLEEP_TIME = 40
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function tally_up (src)
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local counts = {}
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for _, item in pairs(peripheral.call(src, "list")) do
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if counts[item.name] == nil then counts[item.name] = 0 end
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counts[item.name] = counts[item.name] + item.count
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end
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return counts
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end
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function compare_counts (count1, count2)
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local diffs = {}
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for item, count in pairs(count1) do
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if count2[item] ~= nil then
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diffs[item] = count - count2[item]
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end
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end
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end
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function compost (src, item_name, amount)
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if amount < 1 return end
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local amount_moved = 0
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-- 1. scan through inventory until {item} is found
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for slot, item in pairs(src.list())
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if item.name == item_name then
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-- 2. move up to {amount} to compost, recording amount moved
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amount_moved = peripheral.call(
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COMPOST_INV, "pullItems", src, slot, amount
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)
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break
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end
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end
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-- 3. call again recursively
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return compost(src, item_name, amount - amount_moved)
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end
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while true do
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for _, source in ipairs(SOURCES) do
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local totals = tally_up(source)
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local diffs = compare_counts(totals, CHECKS)
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for item, diff in pairs(diffs) do
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if diff > 0 then
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compost(source, item, diff)
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end
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end
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end
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os.sleep(SLEEP_TIME)
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end
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