movearound

rednet.open ("right")
PCID = 21

orientation = 1
orientations = {"north", "east", "south", "west"}

xCoord = 0
zCoord = 0
yCoord = 0

zDiff = {-1, 0, 1, 0}
xDiff = {0, 1, 0, -1}

local function left()
    orientation = orientation - 1
    orientation = (orientation - 1) % 4
    orientation = orientation + 1
    turtle.turnLeft()
end


local function right()
    orientation = orientation - 1
    orientation = (orientation + 1) % 4
    orientation = orientation + 1
    turtle.turnRight()
end


local function moveForward()
    xCoord = xCoord + xDiff[orientation]
    zCoord = zCoord + zDiff[orientation]
    while turtle.detect() do
    turtle.dig()
    end
    moved = false
    while not(moved) do
        moved = turtle.forward()
    end
end


local function moveUp()
    yCoord = yCoord + 1
    turtle.digUp()
    moved = false
    while not(moved) do
        moved = turtle.up()
    end
end


local function moveDown()
    yCoord = yCoord - 1
    turtle.digDown()
    moved = false
    while not(moved) do
        moved = turtle.down()
    end
end

local function moveBack()
 left()
 left()
 moveForward()
 left()
 left()
end


local function checkorder(command)
 if command == "go" then
    moveForward()

  elseif command == "back" then
    moveBack()

  elseif command == "left" then
    left()

  elseif command == "right" then
    right()

  elseif command == "dig" then
    turtle.dig()

  elseif command == "up" then
    moveUp()

  elseif command == "down" then
    moveDown()

  elseif command == "place" then
    turtle.place()

  elseif command == "digup" then
    turtle.digUp()

  elseif command == "digdown" then
    turtle.digDown()

  elseif command == "placeup" then
    turtle.placeUp()

  elseif command == "placedown" then
    turtle.placeDown()
  end
  end

while true do
id, com = rednet.receive()
checkorder(com)
sleep(1)
print("I am at X: " ..xCoord.. " Z: " ..zCoord.. "Y " ..yCoord)
end