run.lua

-- Requires
local Ore = require("ore")
local Move = require("move")
local Mine = require("dig")

-- Clear screen
term.clear()
term.setCursorPos(1, 1)

-- Refuel
local neededFuel = 100
turtle.select(16)
turtle.refuel()
if turtle.getFuelLevel() < neededFuel then
    print("Error: not enough fuel ("..turtle.getFuelLevel().."/"..neededFuel.."), please put fuel in last slot")
    return 1
end
turtle.select(1)

print("Starting mining program...")

local startD = 0

local function mineVein(pos)
    local backPath = {}
    local recursive = true
    repeat
        table.insert(backPath, Move.opposite(pos))
        Mine.digAt[pos]()
        Move.goto[pos]()
        startD = startD + 1
        success, pos = Ore.lookForOre(false, true)
    until not success
    if turtle.getFuelLevel() <= startD + 10 then
        recursive = false
    end
    while #backPath > 0 do
        Move.goto[backPath[#backPath]]()
        startD = startD - 1
        if recursive then
            success, pos = Ore.lookForOre(false, true)
            if success then
                mineVein(pos)
            end
        end
        table.remove(backPath, #backPath)
    end
end

first = true

while true do
    success, pos = Ore.lookForOre(first, false)
    first = false
    if success then
        print("Found ore at pos "..pos..". Digging vein...")
        mineVein(pos)
        print("Done, back on track ("..turtle.getFuelLevel()..")")
    end
    if turtle.getFuelLevel() <= startD + 10 then
        break
    end
    Mine.digFront()
    Move.goto[0]()
    startD = startD + 1
end
print("Going home...")
while startD > 0 do
    turtle.back()
    startD = startD - 1
end