TurtleFlat

TechManDylan

Nov 17th, 2021

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Lua 3.72 KB | None | 0 0

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-- Helper function for looping over a range
function range(limit)
local function seq(state, x)
if (x >= limit) then
return nil
else
return x + 1
end
end
return seq, nil, 0
end
-- Cover an area
function coverArea(w)
local X,Y = w.size.x,w.size.y
-- Prepare for first row
w.forward()
w.right()
-- Loop over each row
for y in range(Y) do
-- Loop over each column
for x in range(X) do
-- Do the callback for each point
w.callback()
-- Unless we have completed the row
if x ~= X then
-- Move forward
w.forward()
end
end
-- Unless we have completed all rows
if y ~= Y then
-- Move to next row
if y%2 == 1 then
w.left()
w.forward()
w.left()
else
w.right()
w.forward()
w.right()
end
end
end
-- Move back to starting point
if Y%2 == 1 then
w.left()
w.left()
for x in range(X-1) do w.forward() end
end
w.left()
for y in range(Y) do w.forward() end
w.right()
w.right()
end
-- Persistent forward function
function forward()
while not turtle.forward() do
sleep(0.5)
turtle.dig()
end
end
-- Level wherever the turtle is
function level()
-- How far down we have gone
local depth = 0
-- Make sure we have an empty slot for picking up junk
-- This is an attempt to not mess up the convention by
-- the blocks we dig that are picked up. Not 100%
-- reliable still...
turtle.select(9)
turtle.drop()
-- Move down to first block we can find
while not turtle.detectDown() and turtle.down() do
depth = depth + 1
end
-- Remove top block
turtle.digDown()
turtle.down()
depth = depth + 1
-- Dig down to first non-dirt block we can find
turtle.select(1)
while (turtle.compareDown() and turtle.digDown() and turtle.down()) or turtle.down() do
depth = depth + 1
end
-- Start filling
while depth > 0 do
-- Until we move up 1 successfully
while not turtle.up() do
-- Try dig upwards and wait a bit
turtle.digUp()
sleep(0.5)
end
depth = depth - 1
-- As long as we have something to place
if selectSource(depth) > 0 then
-- Place it below us
turtle.placeDown()
end
end
end
-- Returns the count of an appropriate slot
function selectSource(depth)
-- If we're at the top
if depth==1 then
-- Select slot 1 and return its count
turtle.select(1)
return turtle.getItemCount(1)
-- Otherwise
else
-- Move through the rest of the slots
for i=2,9 do
turtle.select(i)
local count = turtle.getItemCount(i)
-- Until we find one with something in it
if count > 0 then
return count
end
end
end
return 0
end
-- Program starter
local arg = {...}
if #arg == 2 then
coverArea({
size = {
x = tonumber(arg[1]),
y = tonumber(arg[2]),
},
forward = forward,
left = turtle.turnLeft,
right = turtle.turnRight,
callback = level,
})
else
print("Usage: level x y")
end

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