turtleTemp

--Open Rednet
if not rednet.isOpen() then
    rednet.open("right")
end
--Get current turtle coordinates
local function getCoord(coord)
    local f = fs.open("coords/"..coord..".loc", "r")
    local c = f.readAll()
    f.close()
    return tonumber(c)
end
--Update the coordinates of the turtle
local function updateCoord(coord, change)
    local f = fs.open("coords/"..coord..".loc", "w")
    f.write(change)
    f.close()
end
--Move the turtle one block forward
local function walk()
    if turtle.getFuelLevel() > 0 then
        local x,z,r = getCoord("x"),getCoord("z"),getCoord("r")
        turtle.forward()
        if r == 1 then
            updateCoord("x", x + 1)
        elseif r == 2 then
            updateCoord("z", z + 1)
        elseif r == 3 then
            updateCoord("x", x - 1)
        elseif r == 4 then
            updateCoord("z", z - 1)
        end
    else
        print("Insufficient fuel!")
    end
end
--Rotate the turtle once
local function rotate()
    local r = getCoord("r")
    turtle.turnRight()
    if r < 4 then
        updateCoord("r", r + 1)
    else
        updateCoord("r", 1)
    end
end
--Mine 3 blocks
local function path()
    turtle.dig()
    turtle.digUp()
    turtle.digDown()
end
--Goes to selected coordinates, X first then Z
local function goTo(dX, dZ)
    if turtle.getFuelLevel() < (dX + dZ) then
        term.setTextColor(colors.red)
        write("[X] ")
        term.setTextColor(colors.white)
        write("Turtle ID#"..os.getComputerID().." does not have enough fuel to go to specified location.")
        return
    elseif turtle.getFuelLevel() < (dX + dZ) * 2 then
        term.setTextColor(colors.orange)
        write("[!] ")
        term.setTextColor(colors.white)
        write("Turtle ID#"..os.getComputerID().." does not have enough fuel to travel and return. Continue (Y/n)?")
        print("")
        while true do
            local input = read()
            if string.lower(input) == "n" then
                print("Cancelled!")
                return
            elseif string.lower(input) == "y" then
                break
            else
                print("Not understood. Please try again.")
            end
        end
    end
    local x, z, r = getCoord("x"), getCoord("z"), getCoord("r")
    if x ~= dX then
        if x < dX then
            if r ~= 1 then
                repeat rotate() r = getCoord("r") until r == 1
            end
        elseif x > dX then
            if r ~= 3 then
                repeat rotate() r = getCoord("r") until r == 3
            end
        end
        repeat walk() xC = getCoord("x") until xC == dX
    end
    if z ~= dZ then
        if x < dZ then
            if r ~= 2 then
                repeat rotate() r = getCoord("r") until r == 2
            end
        elseif z > dZ then
            if r ~= 4 then
                repeat rotate() r = getCoord("r") until r == 4
            end
        end
        repeat walk() zC = getCoord("z") until zC == dZ
    end
end
local function mineLine(length)
    for i = 1,length - 1 do
        path()
        walk()
    end
    local r = getCoord("r")
    if r == 1 then
        rotate()
    else
        rotate()
        rotate()
        rotate()
    end
    path()
    walk()
    if r ==1 then
        rotate()
    else
        rotate()
        rotate()
        rotate()
    end
end
local function mineBox(bW, bH)
    for i = 1,bW do
        mineLine(bH)
    end
end