platform

-- * Platform maker 1.2
-- * Made by: Acuena
-- * Usage: platform length width

-- Variables
curslot = 2
fuelused = 0
blocksplaced = -1
totalnrblocks = 0

-- Functions

function moveforward()
while not turtle.forward() do
checkfuel()
end
end

function moveback()
while not turtle.back() do
checkfuel()
end
end

function checkfuel()
if turtle.getFuelLevel() < 1 then
turtle.select(1)
if not turtle.refuel(1) then
print("No fuel in slot 1, awaiting fuel")
while not turtle.refuel(1) do
end
print("Successfully refueld, continuing")
end
fuelused = fuelused + 1
turtle.select(curslot)
end
end

function turnright()
turtle.turnRight()
moveforward()
turtle.turnRight()
end

function turnleft()
turtle.turnLeft()
moveforward()
turtle.turnLeft()
end

function checkblockcount()
if turtle.getItemCount(curslot) == 0 then
selnextslot()
end
end

function selnextslot()
curslot = curslot + 1
if curslot > 16 then
print("Out of blocks, terminating")
error()
end
turtle.select(curslot)
end

function place()
checkblockcount()
turtle.placeDown()
blocksplaced = blocksplaced + 1
end

function countblocks()
for i = 2,16 do
turtle.select(i)
totalnrblocks = totalnrblocks + turtle.getItemCount(i)
end
if not totalnrblocks == 0 then
totalnrblocks = totalnrblocks + 1
end
turtle.select(curslot)
end

function returntostart()
if orient == true then
turtle.turnRight()
for i = 1, width - 1 do
moveforward()
end
turtle.turnRight()
moveback()
elseif orient == false then
turtle.turnLeft()
for i = 1, width - 1 do
moveforward()
end
turtle.turnRight()
for i = 1, length do
turtle.back()
end
end
end

-- Code

local args = {...}
orient=false
if #args ~= 2 then
print("Usage: platform length width")
return
end

length = tonumber(args[1])
width = tonumber(args[2])

countblocks()
need = length * width

if need > 960 then
print("Unable to carry more than 960 block's")
print("A platform with the size of:")
print(length.."x"..width.." will need "..need.." blocks")
print("Aborting run")
error()
end

if totalnrblocks < need then
print("Not enough blocks, aborting")
print("Need: "..need)
print("Have: "..totalnrblocks.." block's")
error()
end

moveforward()
place()
for xx = 1,width - 1 do
for x = 1, length-1 do
moveforward()
place()
end

if orient == false then -- Should turn right
turnright()
place()
else -- Should turn left
turnleft()
place()
end
orient = not orient
end
for x = 1, length-1 do
moveforward()
place()
end
print("Orient: "..tostring(orient))
returntostart()
print("Platform done")
print("Block's placed: "..blocksplaced)
print("Fuel used: "..fuelused)