View difference between Paste ID: Fh6snQKU and bfeApc3K

-function place(curSlot)
+sizeX = 1
-  if turtle.getItemCount(curSlot) == 0 then
+sizeY = 1
-    for curSlot=curSlot,16 do
+sizeZ = 1
-      if turtle.getItemCount(curSlot) > 0 then
+posX = 1
-        break
+posY = 1
-      end
+posZ = 0
-    end
+torchSpace = 0
 torchCount = 0
-  turtle.place()
+reverse = false
-
+finished = false
-  return curSlot
+function refreshDisplay()
 shell.run("clear")
 print("")
-function checkFuel(curSlot)
+print("Tunnel Size:   " .. sizeX .. "x" .. sizeY)
-  if turtle.getFuelLevel() < 1 then
+print("Target Depth:  " .. sizeZ)
-    turtle.select(1)
+if torchSpace > 0 then
-    turtle.refuel(1)
+  print("Torch Spacing: " .. torchSpace)
-    turtle.select(curSlot)
+else
   print("Torch Spacing: n/a")
 end
 print("")
-function down(curSlot)
+print("Current Depth: " .. posZ)sizeX = 1
-  checkFuel(curSlot)
+sizeY = 1
-  return turtle.down()
+sizeZ = 1
 posX = 1
 posY = 1
-function up(curSlot)
+posZ = 0
-  checkFuel(curSlot)
+torchSpace = 0
-  return turtle.up()
+torchCount = 0
-end
+reverse = false
 finished = false
-local depth = 0
+function refreshDisplay()
 shell.run("clear")
-local curSlot = 2
+print("")
-turtle.select(2)
+print("Tunnel Size:   " .. sizeX .. "x" .. sizeY)
 print("Target Depth:  " .. sizeZ)
-turtle.digDown()
+if torchSpace > 0 then
-while turtle.down() do
+  print("Torch Spacing: " .. torchSpace)
-  for turn=1,4 do
+else
-    curSlot = place(curSlot)
+  print("Torch Spacing: n/a")
-    turtle.turnRight()
+
 print("")
-  turtle.digDown()
+print("Current Depth: " .. posZ)
-  depth = depth + 1
+print("Fuel Level:      " .. turtle.getFuelLevel())
 print("Torch Count:   " .. turtle.getItemCount(1))
 print("")
-for u = 1,depth do
+print("Progress:          " .. getProgress() .. "%")
-  up()
+
 function round(n)
 if n >= 0 then
   return math.floor(n + .5)
 else
   return math.ceil(ns - .5)
 end
 end
 function getProgress()
 if finished then
   return 100
 elseif posZ <= 0 then
   return 0
 else
   return round(((posZ - 1) / sizeZ) * 100)
 end
 end
 function init()
 shell.run("clear")
 -- Width
 print("")
 io.write("How wide do you want the tunnel? ")
 sizeX = io.read()
 if tonumber(sizeX) ~= nil then
   sizeX = tonumber(sizeX)
 else
   print("")
   print("You have entered an invalid width.")
   print("Terminating")
   return false
 end
 -- Height
 print("")
 io.write("How tall do you want the tunnel? ")
 sizeY = io.read()
 if tonumber(sizeY) ~= nil then
   sizeY = tonumber(sizeY)
 else
   print("")
   print("You have entered an invalid height.")
   print("Terminating")
   return false
 end
 -- Depth
 print("")
 io.write("How deep do you want the tunnel? ")
 sizeZ = io.read()
 if tonumber(sizeZ) ~= nil then
   sizeZ = tonumber(sizeZ)
 else
   print("")
   print("You have entered an invalid depth.")
   print("Terminating")
   return false
 end
 -- Torch Spacing
 print("")
 io.write("How often would you like to place torches? ")
 torchSpace = io.read()
 if tonumber(torchSpace) ~= nil then
   torchSpace = tonumber(torchSpace)
   torchCount = 1
 else
   torchSpace = 0
 end
 return true
 end
 function refuel(turns)
 if turtle.getFuelLevel() < turns then
   for p = 1, 16, 1 do
    if turtle.getItemCount(p) > 0 then
         turtle.select(p)
         if turtle.refuel(1) then
          break
         end
    end
   end
 end
 end
 function returnHome()
 if posY > 1 then
   refuel(posY - 1)
   for p = posY - 1, 1, -1 do
    if turtle.detectUp() then
         turtle.digUp()
    end
    turtle.up()
   end
 end
 if posX > 1 then
   refuel(posX - 1)
   turtle.turnLeft()
   for p = posX - 1, 1, -1 do
    if turtle.detect() then
         turtle.dig()
    end
    turtle.forward()
   end
   turtle.turnRight()
 end
 for p = posZ, 1, -1 do
   turtle.back()
 end
 end
 function shiftPos()
 refuel(1)
 if posX == 1 and sizeX > 1 then
   turtle.turnRight()
 elseif posX == sizeX and sizeX > 1 then
   turtle.turnLeft()
 end
 if posZ < sizeZ or (posX > 1 and posX < sizeX) or (posX == 1 and not reverse and sizeX > 1) or (posX == sizeX and reverse and sizeX > 1) then
   if turtle.detect() then
    turtle.dig()
   end
   turtle.forward()
   if reverse then
    posX = posX - 1
    if posX == 0 then
         posX = 1
         posZ = posZ + 1
         if torchSpace > 0 and torchCount == torchSpace then
          torchCount = 1
         elseif torchSpace > 0 then
          torchCount = torchCount + 1
         end
         reverse = false
    end
   else
    posX = posX + 1
    if posX > sizeX then
         posX = sizeX
         posZ = posZ + 1
         if torchSpace > 0 and torchCount == torchSpace then
          torchCount = 1
         elseif torchSpace > 0 then
          torchCount = torchCount + 1
         end
         reverse = true
    end
   end
 end
 end
 function sliver()
 if posY == 1 then
   refuel(sizeY - posY)
   while posY < sizeY do
    if turtle.detectDown() then
         turtle.digDown()
    end
    turtle.down()
    posY = posY + 1
   end
   shiftPos()
 elseif posY == sizeY then
   refuel(posY - 1)
   while posY > 1 do
    if turtle.detectUp() then
         turtle.digUp()
    end
    turtle.up()
    posY = posY - 1
    if torchCount == 1 then
         if posY == sizeY - 1 and ((not reverse and posX == 2) or (reverse and posX == 1)) then
          turtle.select(1)
          turtle.placeDown()
         end
    end
   end
 
   shiftPos()
 else
   print("Unexpected position (X=" .. posX .. ", Y=" .. posY .. ", Z=" .. posZ .. ")")
   returnHome()
 end
 end
 function slice()
 for p = 1, sizeX, 1 do
   sliver()
   refreshDisplay()
 end
 end
 if init() then
 refuel(1)
 refreshDisplay()
 if turtle.detect() then
   turtle.dig()
 end
 turtle.forward()
 posZ = 1
 refreshDisplay()
 for p = 1, sizeZ, 1 do
   slice()
 end
 finished = true
 refreshDisplay()
 returnHome()
 end
 sizeY = io.read()
 if tonumber(sizeY) ~= nil then
   sizeY = tonumber(sizeY)
 else
   print("")
   print("You have entered an invalid height.")
   print("Terminating")
   return false
 end
 -- Depth
 print("")
 io.write("How deep do you want the tunnel? ")
 sizeZ = io.read()
 if tonumber(sizeZ) ~= nil then
   sizeZ = tonumber(sizeZ)
 else
   print("")
   print("You have entered an invalid depth.")
   print("Terminating")
   return false
 end
 -- Torch Spacing
 print("")
 io.write("How often would you like to place torches? ")
 torchSpace = io.read()
 if tonumber(torchSpace) ~= nil then
   torchSpace = tonumber(torchSpace)
   torchCount = 1
 else
   torchSpace = 0
 end
 return true
 end
 function refuel(turns)
 if turtle.getFuelLevel() < turns then
   for p = 1, 16, 1 do
    if turtle.getItemCount(p) > 0 then
         turtle.select(p)
         if turtle.refuel(1) then
          break
         end
    end
   end
 end
 end
 function returnHome()
 if posY > 1 then
   refuel(posY - 1)
   for p = posY - 1, 1, -1 do
    if turtle.detectUp() then
         turtle.digUp()
    end
    turtle.up()
   end
 end
 if posX > 1 then
   refuel(posX - 1)
   turtle.turnLeft()
   for p = posX - 1, 1, -1 do
    if turtle.detect() then
         turtle.dig()
    end
    turtle.forward()
   end
   turtle.turnRight()
 end
 for p = posZ, 1, -1 do
   turtle.back()
 end
 end
 function shiftPos()
 refuel(1)
 if posX == 1 and sizeX > 1 then
   turtle.turnRight()
 elseif posX == sizeX and sizeX > 1 then
   turtle.turnLeft()
 end
 if posZ < sizeZ or (posX > 1 and posX < sizeX) or (posX == 1 and not reverse and sizeX > 1) or (posX == sizeX and reverse and sizeX > 1) then
   if turtle.detect() then
    turtle.dig()
   end
   turtle.forward()
   if reverse then
    posX = posX - 1
    if posX == 0 then
         posX = 1
         posZ = posZ + 1
         if torchSpace > 0 and torchCount == torchSpace then
          torchCount = 1
         elseif torchSpace > 0 then
          torchCount = torchCount + 1
         end
         reverse = false
    end
   else
    posX = posX + 1
    if posX > sizeX then
         posX = sizeX
         posZ = posZ + 1
         if torchSpace > 0 and torchCount == torchSpace then
          torchCount = 1
         elseif torchSpace > 0 then
          torchCount = torchCount + 1
         end
         reverse = true
    end
   end
 end
 end
 function sliver()
 if posY == 1 then
   refuel(sizeY - posY)
   while posY < sizeY do
    if turtle.detectDown() then
         turtle.digDown()
    end
    turtle.down()
    posY = posY + 1
   end
   shiftPos()
 elseif posY == sizeY then
   refuel(posY - 1)
   while posY > 1 do
    if turtle.detectUp() then
         turtle.digUp()
    end
    turtle.up()
    posY = posY - 1
    if torchCount == 1 then
         if posY == sizeY - 1 and ((not reverse and posX == 2) or (reverse and posX == 1)) then
          turtle.select(1)
          turtle.placeDown()
         end
    end
   end
 
   shiftPos()
 else
   print("Unexpected position (X=" .. posX .. ", Y=" .. posY .. ", Z=" .. posZ .. ")")
   returnHome()
 end
 end
 function slice()
 for p = 1, sizeX, 1 do
   sliver()
   refreshDisplay()
 end
 end
 if init() then
 refuel(1)
 refreshDisplay()
 if turtle.detect() then
   turtle.dig()
 end
 turtle.forward()
 posZ = 1
 refreshDisplay()
 for p = 1, sizeZ, 1 do
   slice()
 end
 finished = true
 refreshDisplay()
 returnHome()
 end