CC API pos

function correctfacing()
    if (facingnum == 5) then
        facingnum = 1
    elseif (facingnum == 0) then
        facingnum = 4
    end
end

function getDir()
    local facing = ""
    if (facingnum == 1) then
        facing = "n"
    elseif (facingnum == 2) then
        facing = "e"
    elseif (facingnum == 3) then
        facing = "s"
    elseif (facingnum == 4) then
        facing = "w"
    end
    return facing
end

function facedir(dir)
    if (dir == "n") then
        dirnum = 1
    elseif (dir == "e") then
        dirnum = 2
    elseif (dir == "s") then
        dirnum = 3
    elseif (dir == "w") then
        dirnum = 4
    end
    facingprocess = 1
    while (facingprocess == 1) do
        if (facingnum < dirnum) then
            turtle.turnRight()
            facingnum = (facingnum + 1)
        elseif (facingnum > dirnum) then
            turtle.turnLeft()
            facingnum = (facingnum - 1)
        elseif (facingnum == dirnum) then
            facingprocess = 0
        end
        correctfacing()
    end
end

-- Creuse le passage
function tdig()
    while turtle.detect() do
        if turtle.dig() or turtle.attack() then
            sleep(0.5)
        else break end
    end
end

function tdigUp()
    while turtle.detectUp() do
        if turtle.digUp() or turtle.attackUp() then
            sleep(0.5)
        else break end
    end
end

-- Mouvements
function tforward()
    tdigUp()
    if turtle.forward() then
        if (facingnum == 1) then
            z = (z - 1)
        elseif (facingnum == 2) then
            x = (x + 1)
        elseif (facingnum == 3) then
            z = (z + 1)
        elseif (facingnum == 4) then
            x = (x - 1)
        end
        return true
    else
        return false
    end
end

function tup()
    if turtle.up() then
        y = (y+1)
        return true
    else
        return false
    end
end

function tdown()
    if turtle.down() then
        y = (y-1)
        return true
    else
        return false
    end
end

function tright()
    turtle.turnRight()
    facingnum = (facingnum + 1)
    correctfacing()
end

function tleft()
    turtle.turnLeft()
    facingnum = (facingnum - 1)
    correctfacing()
end

function flyto(tarx,tary,tarz)
    tx = tonumber(tarx)
    ty = tonumber(tary)
    tz = tonumber(tarz)
    fly = 1
    flyingloop()
end

function flyingloop()
    while (fly == 1) do
        if (tonumber(y) < tonumber(ty)) then
            tup()
        elseif (tonumber(z) > tonumber(tz)) then
            facedir("n")
            tforward()
        elseif (tonumber(z) < tonumber(tz)) then
            facedir("s")
            tforward()
        elseif (tonumber(x) < tonumber(tx)) then
            facedir("e")
            tforward()
        elseif (tonumber(x) > tonumber(tx)) then
            facedir("w")
            tforward()
        elseif (tonumber(y) > tonumber(ty)) then
            tdown()
        else
            fly = 0
        end
    end
end

function setcoords()
    term.clear()
    term.setCursorPos(1,1)
    print("Please input target coordinates")
    write("X: ")
    targetx = read()
    write("Y: ")
    targety = read()
    write("Z: ")
    targetz = read()
    print("Coordinates set.")
    sleep(2)
end

function status()
    term.clear()
    term.setCursorPos(1,1)
    facing = getDir()
    print("X: "..x.." Y: "..y.." Z: "..z.." Facing: "..facing)
    local fuelLevel = tostring( turtle.getFuelLevel() )
    print("Fuel level: "..fuelLevel)
    sleep(0.5)
end

function calibrate()
    print("Please input turtles current X, Y and Z coordinates.")
    write("X: ")
    tempx = read()
    x = tonumber(tempx)
    write("Y: ")
    tempy = read()
    y = tonumber(tempy)
    write("Z: ")
    tempz = read()
    z = tonumber(tempz)
    print("")
    print("Coordinates set.")
    print("Please input the facing of the turtle, n / e / s / w")
    write("Facing: ")
    facingloop = 1
    while (facingloop == 1) do
        facing = read()
        if (facing == "n") then
            facingloop = 0
            facingnum = 1
        elseif (facing == "e") then
            facingloop = 0
            facingnum = 2
        elseif (facing == "s") then
            facingloop = 0
            facingnum = 3
        elseif (facing == "w") then
            facingloop = 0
            facingnum = 4
        else
            print("Invalid input")
        end
    end
    print("Facing set.")
    sleep(1)
--  main()
end