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 --Civilwargeeky's Quarry Program--
   VERSION = "3.6.4.5 w/ basicFuelChest"
 --[[
 Recent Changes:
   Parameter Files! Create a file of parameters, and use -file to load it!
     Works will with -forcePrompt
   Quarry no longer goes to start at end of row!
   Turtle can go left!
   QuadCopters! Check Lyqyd's thread
 New Parameters:
     -overfuel/fuelMultiplier [number]: This number is is what neededFuel is multiplied by when fuel is low.
     -version: This will display the current version number and end the program
     -file [fileName]: This will load a custom configuration file (basically a list of parameters). "##" starts comment lines. In the future "#" will start programs to run (but only through shell)
     -preciseTotals [t/f]: If true, turtle will write exactly what it mined to the logs. It may also transmit it over rednet.
     -forcePrompt [param]: This will add to a list of parameters to force prompt for. So if you say "-forcePrompt doRefuel" it will prompt you "Length","Width","Height","Invert","Do Refuel" etc.
 ]]
 --Defining things
 civilTable = nil; _G.civilTable = {}; setmetatable(civilTable, {__index = getfenv()}); setfenv(1,civilTable)
 originalDay = os.day() --Used in logging
 numResumed = 0 --Number of times turtle has been resumed
 -------Defaults for Arguments----------
 --Arguments assignable by text
 x,y,z = 3,3,3 --These are just in case tonumber fails
 inverted = false --False goes from top down, true goes from bottom up [Default false]
 rednetEnabled = false --Default rednet on or off  [Default false]
 --Arguments assignable by tArgs
 dropSide = "front" --Side it will eject to when full or done [Default "front"]
 careAboutResources = true --Will not stop mining once inventory full if false [Default true]
 doCheckFuel = true --Perform fuel check [Default true]
 doRefuel = false --Whenever it comes to start location will attempt to refuel from inventory [Default false]
 keepOpen = 1 --How many inventory slots it will attempt to keep open at all times [Default 1]
 fuelSafety = "moderate" --How much fuel it will ask for: safe, moderate, and loose [Default moderate]
 excessFuelAmount = math.huge --How much fuel the turtle will get maximum. Limited by turtle.getFuelLimit in recent CC [Default math.huge]
 fuelMultiplier = 1 --How much extra fuel turtle will ask for when it does need fuel [Default 1]
 saveFile = "Civil_Quarry_Restore" --Where it saves restore data [Default "Civil_Quarry_Restore"]
 autoResume = true --If true, turtle will auto-restart when loaded. [Default true]
 startupRename = "oldStartup.quarry" --What the startup is temporarily renamed to [Default "oldStartup.quarry"]
 startupName = "startup" --What the turtle auto-resumes with [Default "startup"]
 doBackup = true --If it will keep backups for session persistence [Default true]
 uniqueExtras = 8 --How many different items (besides cobble) the turtle expects. [Default 8]
 maxTries = 200 --How many times turtle will try to dig a block before it "counts" bedrock [Default 200]
 gpsEnabled = false -- If option is enabled, will attempt to find position via GPS api [Default false]
 gpsTimeout = 3 --The number of seconds the program will wait to get GPS coords. Not in arguments [Default 3]
 legacyRednet = false --Use this if playing 1.4.7
 logging = true --Whether or not the turtle will log mining runs. [Default ...still deciding]
 logFolder = "Quarry_Logs" --What folder the turtle will store logs in [Default "Quarry_Logs"]
 logExtension = "" --The extension of the file (e.g. ".txt") [Default ""]
 flatBedrock = false --If true, will go down to bedrock to set startDown [Default false]
 startDown = 0 --How many blocks to start down from the top of the mine [Default 0]
 preciseTotals = false --If true, will record exact totals and names for all materials [Default false]
 goLeftNotRight = false --Quarry to left, not right (parameter is "left") [Default false]
 oreQuarry = false --Enables ore quarry functionality [Default false]
 oreQuarryBlacklistName = "oreQuarryBlacklist.txt" --This is the file that will be parsed for item names [Default "oreQuarryBlacklist"]
 dumpCompareItems = true --If ore quarry, the turtle will dump items compared to (like cobblestone) [Default true]
 frontChest = false --If oreQuarry and chest checking, you can turn this on to make turtle check in front of itself for chests as well [Default false]
 lavaBuffer = 500 --If using a lava bucket, this is the buffer it will wait for before checking for lava [Default 500]
 inventoryMax = 16 --The max number of slots in the turtle inventory [Default 16] (Not assignable by parameter)
 quadEnabled = false --Whether or not to request a quadRotor when out of fuel [Default false]
 quadTimeout = 60 * 5 --How long the turtle will wait for a quadRotor [Default 5 minutes]
 --Standard number slots for fuel (you shouldn't care)
 fuelTable = { --Will add in this amount of fuel to requirement.
 safe = 1000,
 moderate = 200,
 loose = 0 } --Default 1000, 200, 0
 --Standard rednet channels
 channels = {
 send = os.getComputerID() + 1  ,
 receive = os.getComputerID() + 101 ,
 confirm = "Turtle Quarry Receiver",
 message = "Civil's Quarry",
 fingerprint = "quarry"
 }
 
 --AVERAGE USER: YOU DON'T CARE BELOW THIS POINT
 
 local help_paragraph = [[
 Welcome!: Welcome to quarry help. Below are help entries for all parameters. Examples and tips are at the bottom.
 -default: This will force no prompts. If you use this and nothing else, only defaults will be used.
 -dim: [length] [width] [height] This sets the dimensions for the quarry
 -invert: [t/f] If true, quarry will be inverted (go up instead of down)
 -rednet: [t/f] If true and you have a wireless modem on the turtle, will attempt to make a rednet connection for sending important information to a screen
 -restore / -resume: If your quarry stopped in the middle of its run, use this to resume at the point where the turtle was. Not guarenteed to work properly. For more accurate location finding, check out the -GPS parameter
 -autoResume / autoRestore: Turtle will automatically resume if stopped. Replaces startup
 -oreQuarry: [t/f] If true, the turtle will use ore quarry mode. It will not mine the blocks that are placed in the turtle initially. So if you put in stone, it will ignore stone blocks and only mine ores.
 -oreQuarry: [t/f] If you are using a newer version of CC, you won't have to put in any compare blocks. (CC 1.64+)
 -blacklist: [file name] If using oreQuarry, this is the blacklist file it will read. Example --
   minecraft:stone
   minecraft:sand
   ThermalExpansion:Sponge
   ThermalFoundation:Storage
 
   Note: If you have bspkrsCore, look
   for "UniqueNames.txt" in your config
 -file: [file name] Will load a file of parameters. One parameter per line. # is a comment line (See the forum thread for more detailed directions)
 -atChest: [force] This is for use with "-restore," this will tell the restarting turtle that it is at its home chest, so that if it had gotten lost, it now knows where it is.
 -doRefuel: [t/f] If true, the turtle will refuel itself with coal and planks it finds on its mining run
 -doCheckFuel: [t/f] If you for some reason don't want the program to check fuel usage, set to false. This is honestly a hold-over from when the refueling algorithm was awful...
 -overfuel: [number] When fuel is below required, fuel usage is multiplied by this. Large numbers permit more quarries without refueling
 -fuelMultiplier: [number] See overfuel
 -uniqueExtras: [number] The expected number of slots filled with low-stacking items like ore. Higher numbers request more fuel.
 -maxFuel: [number] How much the turtle will fuel to max (limited by turtle in most cases)
 -chest: [side] This specifies what side the chest at the end will be on. You can say "top", "bottom", "front", "left", or "right"
 -enderChest: [slot] This one is special. If you use "-enderChest true" then it will use an enderChest in the default slot. However, you can also do "-enderChest [slot]" then it will take the ender chest from whatever slot you tell it to. Like 7... or 14... or whatever.
 -fuelChest: [slot] See the above, but for a fueling chest. Reccommend use with -maxFuel and -doCheckFuel false
 -lava: [slot] If using an oreQuarry, will fill itself with lava it finds to maxFuel
 -lavaBuffer: [number] The amount of fuel below maxFuel the turtle will wait for before using lava again
 -GPS: [force] If you use "-GPS" and there is a GPS network, then the turtle will record its first two positions to precisly calculate its position if it has to restart. This will only take two GPS readings
 -quad: [t/f] This forces the use of GPS. Make sure you have a network set up. This will request to be refueled by a quadrotor from Lyqyd's mod if the turtle is out of fuel
 -quadTimeout: [number] The amount of time the turtle will wait for a quadRotor
 -sendChannel: [number] This is what channel your turtle will send rednet messages on
 -receiveChannel: [number] This is what channel your turtle will receive rednet messages on
 -legacyRednet: [t/f] Check true if using 1.4.7
 -startY: [current Y coord] Randomly encountering bedrock? This is the parameter for you! Just give it what y coordinate you are at right now. If it is not within bedrock range, it will never say it found bedrock
 -startupRename: [file name] What to rename any existing startup to.
 -startupName: [file name] What the turtle will save its startup file to.
 -extraDropItems: [force] If oreQuarry then this will prompt the user for extra items to drop, but not compare to (like cobblestone)
 -dumpCompareItems: [t/f] If oreQuarry and this is true, the turtle will dump off compare blocks instead of storing them in a chest
 -oldOreQuarry: [t/f] If you are using new CC versions, you can use this to use the old oreQuarry.
 -compareChest: [slot] If using oldOreQuarry, this will allow you to check for dungeon chests and suck from them.
 -frontChest: [t/f] If using oreQuarry/oldOreQuarry, this will check in front of itself for chests as well.
 -left: [t/f] If true, turtle will quarry to the left instead of the right
 -maxTries: [number] This is the number of times the turtle will try to dig before deciding its run into bedrock.
 -forcePrompt: [parameter] Whatever parameter you specify, it will always prompt you, like it does now for invert and dim.
 -logging: [t/f] If true, will record information about its mining run in a folder at the end of the mining run
 -preciseTotals: [t/f] If true (and turtle.inspect exists), it will log a detailed record of every block the turtle mines and send it over rednet
 -doBackup: [t/f] If false, will not back up important information and cannot restore, but will not make an annoying file (Actually I don't really know why anyone would use this...)
 -saveFile: [word] This is what the backup file will be called
 -logFolder: [word] The folder that quarry logs will be stored in
 -logExtension: [word] The extension given to each quarry log (e.g. ".txt" or ".notepad" or whatever)
 -keepOpen: [number] This is the number of the slots the turtle will make sure are open. It will check every time it mines
 -careAboutResources: [t/f] Who cares about the materials! If set to false, it will just keep mining when its inventory is full
 -startDown: [number] If you set this, the turtle will go down this many blocks from the start before starting its quarry
   =
   C _ |
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       |_ _ _ _ >
 -flatBedrock: [t/f] If true, turtle will find bedrock and "zero" itself so it ends on bedrock level
 -promptAll: This is the opposite of -Default, it prompts for everything
 -listParams: This will list out all your selected parameters and end quarry. Good for testing
 -manualPos: [xPos] [zPos] [yPos] [facing] This is for advanced use. If the server reset when the turtle was in the middle of a 100x100x100 quarry, fear not, you can now manually set the position of the turtle. yPos is always positive. The turtle's starting position is 0, 1, 1, 0. Facing is measured 0 - 3. 0 is forward, and it progresses clockwise. Example- "-manualPos 65 30 30 2"
 -version: Displays the current quarry version and stops the program
 -help: Thats what this is :D
 Examples: Everything below is examples and tips for use
 Important Note:
   None of the above parameters are necessary. They all have default values, and the above are just if you want to change them.
 Examples [1]:
   Want to just start a quarry from the interface, without going through menus? It's easy! Just use some parameters. Assume you called the program "quarry." To start a 10x6x3 quarry, you just type in "quarry -dim 10 6 3 -default".
   You just told it to start a quarry with dimensions 10x6x3, and "-default" means it won't prompt you about invert or rednet. Wasn't that easy?
 Examples [2]:
   Okay, so you've got the basics of this now, so if you want, you can type in really long strings of stuff to make the quarry do exactly what you want. Now, say you want a 40x20x9, but you want it to go down to diamond level, and you're on the surface (at y = 64). You also want it to send rednet messages to your computer so you can see how its doing.
 Examples [2] [cont.]:
   Oh yeah! You also want it to use an ender chest in slot 12 and restart if the server crashes. Yeah, you can do that. You would type
   "quarry -dim 40x20x9 -invert false -startDown 45 -rednet true -enderChest 12 -restore"
   BAM. Now you can just let that turtle do it's thing
 Tips:
   The order of the parameters doesn't matter. "quarry -invert false -rednet true" is the same as "quarry -rednet true -invert false"
 
   Capitalization doesn't matter. "quarry -iNVErt FALSe" does the same thing as "quarry -invert false"
 Tips [cont.]:
   For [t/f] parameters, you can also use "yes" and "no" so "quarry -invert yes"
 
   For [t/f] parameters, it only cares about the first letter. So you can use "quarry -invert t" or "quarry -invert y"
 Tips [cont.]:
   If you are playing with fuel turned off, the program will automatically change settings for you so you don't have to :D
 
   If you want, you can load this program onto a computer, and use "quarry -help" so you can have help with the parameters whenever you want.
 Internal Config:
   At the top of this program is an internal configuration file. If there is some setup that you use all the time, you can just change the config value at the top and run "quarry -default" for a quick setup.
 
   You can also use this if there are settings that you don't like the default value of.
 ]]
 --NOTE: BIOS 114 MEANS YOU FORGOT A COLON
 --NOTE: THIS ALSO BREAKS IF YOU REMOVE "REDUNDANT" WHITESPACE
 --Parsing help for display
 --[[The way the help table works:
 All help indexes are numbered. There is a help[i].title that contains the title,
 and the other lines are in help[i][1] - help[i][#help[i] ]
 Different lines (e.g. other than first) start with a space.
 As of now, the words are not wrapped, fix that later]]
 local help = {}
 local i = 0
 local titlePattern = ".-%:" --Find the beginning of the line, then characters, then a ":"
 local textPattern = "%:.+" --Find a ":", then characters until the end of the line
 for a in help_paragraph:gmatch("\n?.-\n") do --Matches in between newlines
   local current = string.sub(a,1,-2).."" --Concatenate Trick
   if string.sub(current,1,1) ~= " " then
     i = i + 1
     help[i] = {}
     help[i].title = string.sub(string.match(current, titlePattern),1,-2)..""
     help[i][1] = string.sub(string.match(current,textPattern) or " ",3,-1)
   elseif string.sub(current,1,1) == " " then
     table.insert(help[i], string.sub(current,2, -1).."")
   end
 end
 
 local supportsRednet
 if peripheral.find then
   supportsRednet = peripheral.find("modem") or false
 else
   supportsRednet = (peripheral.getType("right") == "modem") or false
 end
 
 --Pre-defining variables that need to be saved
       xPos,yPos,zPos,facing,percent,mined,moved,relxPos, rowCheck, connected, isInPath, layersDone, attacked, startY, chestFull, gotoDest, atChest, fuelLevel, numDropOffs, allowedItems, compareSlots, dumpSlots, selectedSlot, extraDropItems, oldOreQuarry, specialSlots, relzPos, eventInsertionPoint, basicFuelChest
     = 0,   1,   1,   0,     0,      0,    0,    1,       true   ,  false,     true,     1,          0,        0,      false,     "",       false,   0,         0,           {},             {},           {},      1,            false,          false,        {explicit = {}},    0, 1,                     false
 
 --These are slot options that need to exist as variables for parameters to work.
   enderChest, fuelChest, lavaBucket, compareChest
 = false,      false,     false,      false
 
 local chestID, lavaID, lavaMeta = "minecraft:chest", "minecraft:flowing_lava", 0
 
 local statusString
 
 --Initializing various inventory management tables
 for i=1, inventoryMax do
   allowedItems[i] = 0 --Number of items allowed in slot when dropping items
   dumpSlots[i] = false --Does this slot contain junk items?
 end --compareSlots is a table of the compare slots, not all slots with a condition
 totals = {cobble = 0, fuel = 0, other = 0} -- Total for display (cannot go inside function), this goes up here because many functions use it
 
 local function newSpecialSlot(index, value, explicit) --If isn't explicit, it will move whatever is already in the slot around to make room.
   value = tonumber(value) or 0 --We only want numerical indexes
   local flag = false --Used in slot moving, moved slot is returned for ease of use
   local function check(num) return num >= 1 and num <= inventoryMax end
   if not check(value) then error("from newSpecialSlot: number "..value.." out of range",2) end
   local function getFirstFree(start)
     for i=1, math.max(inventoryMax-value,value-1) do
       for a=-1,1,2 do
         local num = value + (a*i)
         if check(num) and not specialSlots[num] then return num end
       end
     end
     return false
   end
   if specialSlots[value] and specialSlots[value] ~= index then --If we aren't trying to override the same slot :P
     if not explicit then
       value = getFirstFree(value) or error("from newSpecialSlots: all slots full, could not add")
     elseif explicit and not specialSlots.explicit[value] then --Moving around other slots
       flag = getFirstFree(value)
       if not flag then error("from newSpecialSlots: could not add explicit in slot: "..index.." "..value.." Taken by "..specialSlots[value],2) end
       specialSlots[flag] = specialSlots[value]
       specialSlots[specialSlots[value]] = flag --These will get set to the new thing later
     else
       error('You cannot put a "'..index..'" in the same slot as a "'..specialSlots.explicit[value]..'" (Slot '..value..")",0) --Show the user an understandable error :)
     end
   end
   specialSlots[index] = value
   specialSlots[value] = index
   if explicit then
     specialSlots.explicit[value] = index
   end
   return value, flag
 end
 
 function resetDumpSlots()
     for i=1, inventoryMax do
       if oldOreQuarry then
         if turtle.getItemCount(i) > 0 and i~= specialSlots.enderChest then
           dumpSlots[i] = true
         else
           dumpSlots[i] = false
         end
       else
         dumpSlots[i] = false
       end
     end
     if not oldOreQuarry and specialSlots.enderChest == 1 then
       dumpSlots[2] = true
     elseif not oldOreQuarry then
       dumpSlots[1] = true
     end
 end
 
 local function copyTable(tab) if type(tab) ~= "table" then error("copyTable received "..type(tab)..", expected table",2) end local toRet = {}; for a, b in pairs(tab) do toRet[a] = b end; return toRet end --This goes up here because it is a basic utility
 
 --NOTE: rowCheck is a bit. true = "right", false = "left"
 
 local foundBedrock = false
 
 local checkFuel, checkFuelLimit
 if turtle then --Function inits
   checkFuel = turtle.getFuelLevel
   if turtle.getFuelLevel() == "unlimited" then --Fuel is disabled --Unlimited screws up my calculations
     checkFuel = function() return math.huge end --Infinite Fuel
   end --There is no "else" because it will already return the regular getFuel
   if turtle.getFuelLimit then
     checkFuelLimit = function() return math.min(turtle.getFuelLimit(), excessFuelAmount) end --Return the limiting one
     if turtle.getFuelLimit() == "unlimited" then
       checkFuelLimit = function() return math.huge end
     end
   else
     checkFuelLimit = function() return excessFuelAmount end --If the function doesn't exist
   end
 
 
   turtle.select(1) --To ensure this is correct
 end
 
 
 function select(slot)
   if slot ~= selectedSlot and slot > 0 and slot <= inventoryMax then
     selectedSlot = slot
     return turtle.select(slot), selectedSlot
   end
 end
 
 
  -----------------------------------------------------------------
 --Input Phase
 local function screen(xPos,yPos)
 xPos, yPos = xPos or 1, yPos or 1
 term.setCursorPos(xPos,yPos); term.clear(); end
 local function screenLine(xPos,yPos)
 term.setCursorPos(xPos,yPos); term.clearLine(); end
 
 screen(1,1)
 print("----- Welcome to Quarry! -----")
 print("")
 
 local sides = {top = "top", right = "right", left = "left", bottom = "bottom", front = "front"} --Used to whitelist sides
 local tArgs --Will be set in initializeArgs
 local originalArgs = {...}
 local changedT, tArgsWithUpper, forcePrompts = {}, {}, {}
 changedT.new = function(key, value, name) table.insert(changedT,{key, value, name}); if name then changedT[name] = #changedT end end --Numeric list of lists
 changedT.remove = function(num) changedT[num or #changedT].hidden = true end --Note actually remove, just hide :)
 local function capitalize(text) return (string.upper(string.sub(text,1,1))..string.sub(text,2,-1)) end
 local function initializeArgs()
   tArgs = copyTable(originalArgs) --"Reset" tArgs
   for i=1, #tArgs do --My signature key-value pair system, now with upper
     tArgsWithUpper[i] = tArgs[i]
     tArgsWithUpper[tArgsWithUpper[i]] = i
     tArgs[i] = tArgs[i]:lower()
     tArgs[tArgs[i]] = i
     if tArgs[i] == "-forceprompt" and i ~= #tArgs then --If the prompt exists then add it to the list of prompts
       forcePrompts[tArgs[i+1]:lower()] = true
     end
   end
 end
 initializeArgs()
 
 local restoreFound, restoreFoundSwitch = false --Initializing so they are in scope
 function parseParam(name, displayText, formatString, forcePrompt, trigger, variableOverride, variableExists) --Beware confusion, all ye who enter here
   --[[ Guide to Variables
     originalValue: what the variable was before the function
     givenValue: This is the value after the parameter. So -invert fAlSe, givenValue is "fAlSe"
   ]]
   if variableExists ~= false then variableExists = true end --Almost all params should have the variable exist. Some don't exist unless invoked
   if trigger == nil then trigger = true end --Defaults to being able to run
   if not trigger then return end --This is what the trigger is for. Will not run if trigger not there
   if restoreFoundSwitch or tArgs["-default"] then forcePrompt = false end --Don't want to prompt if these. Default is no variable because resuming
   if not restoreFoundSwitch and (tArgs["-promptall"] or forcePrompts[name:lower()]) then forcePrompt = true end --Won't prompt if resuming, can prompt all or checks list of prompts
   local toGetText = name:lower() --Because all params are now lowered
   local formatType = formatString:match("^%a+"):lower() or error("Format String Unknown: "..formatString) --Type of format string
   local args = formatString:match(" (.+)") or "".."" --Everything in formatString after the type
   local variable = variableOverride or name --Goes first to the override for name
   local func = loadstring("return "..variable) --Note to future self: If you want to remove loadstring, this breaks on tables. You will have to remove tables or figure something else out
   setfenv(func,getfenv(1))
   local originalValue = assert(func)() --This is the default value, for checking to add to changed table
   if originalValue == nil and variableExists then error("From addParam, \""..variable.."\" returned nil",2) end --I may have gotten a wrong variable name
   local givenValue, toRet, values --Initializing for use
   if tArgs["-"..toGetText] then
     givenValue = tArgsWithUpper[tArgs["-"..toGetText]+1] --This is the value after the desired parameter
   elseif forcePrompt then
     write(displayText.."? ")
     givenValue = io.read()
   end
   if formatType == "force" then --This is the one exception. Should return true if givenValue is nothing
     toRet = (tArgs["-"..toGetText] and true) or false --Will return true if param exists, otherwise false
   end
   if not (givenValue or toRet) or (type(givenValue) == "string" and #givenValue == 0) then return end --Don't do anything if you aren't given anything. Leave it as default, except for "force". Also don't want empty strings
   if formatType == "boolean" then --All the format strings will be basically be put through a switch statement
     toRet = givenValue:sub(1,1):lower() ~= "n" and givenValue:sub(1,1):lower() ~= "f" --Accepts anything but false or no
   elseif formatType == "string" then
     toRet = givenValue:match("^[%w%./]+") --Basically anything not a space or control character etc
   elseif formatType == "number" or formatType == "float" then
     toRet = tonumber(givenValue) --Note this is a local, not the above so we don't change anything
     if not toRet then return end --We need a number... Otherwise compare errors
     if formatType == "number" then toRet = math.floor(toRet) end --Get proper integers
     local startNum, endNum = formatString:match("(%d+)%-(%d+)") --Gets range of numbers
     startNum, endNum = tonumber(startNum), tonumber(endNum)
     if not ((toRet >= startNum) and (toRet <= endNum)) then return end --Can't use these
   elseif formatType == "side" then
     local exclusionTab = {} --Ignore the wizardry here. Just getting arguments without format string
     for a in args:gmatch("%S+") do exclusionTab[a] = true end --This makes a list of the sides to not include
     if not exclusionTab[givenValue] then toRet = sides[givenValue] end --If side is not excluded
   elseif formatType == "list" then
     toRet = {}
     for a in args:gmatch("[^,]") do
       table.insert(toRet,a)
     end
   elseif formatType == "slot" then
     if givenValue:sub(1,1):lower() == "n" or givenValue:sub(1,1):lower() == "f" then --Copied from boolean
       toRet = false
     else
       local userNumber, correction = givenValue:match("^%d+$") --This makes sure the value is a number | Locally initialize correction
       toRet, correction = newSpecialSlot(variable, tonumber(userNumber or args), userNumber) --If givenValue was "true", it won't be explicit and will use default number
       if correction then changedT[changedT[specialSlots[correction]]][2] = tostring(correction) end --This changes the value field of the changedT index taken from the named pointer (which is the value in specialSlots under correction)
     end
   elseif formatType == "force" then --Do nothing, everything is already done
   else error("Improper formatType",2)
   end
   if toRet == nil then return end --Don't want to set variables to nil... That's bad
   tempParam = toRet --This is what loadstring will see :D
   local func = loadstring(variable.." = tempParam")
   setfenv(func, getfenv(1)) --Note to future self: If you want to remove loadstring, this breaks on tables. You will have to remove tables or figure something else out
   func()
   tempParam = nil --Cleanup of global
   if toRet ~= originalValue and displayText ~= "" then
     changedT.new(displayText, tostring(toRet), variable)
   end
   return toRet
 end
 
 local paramLookup = {}
 local function addParam(...)
   local args = {...}
   if not paramLookup[args[1]] then
     local toRet = copyTable(args)
     for i=2, table.maxn(toRet) do --Have to do this because table.remove breaks on nil
       toRet[i-1] = toRet[i]
     end
     table.remove(toRet)
     paramLookup[args[1]] = toRet
   end
   return parseParam(unpack(args, 1, table.maxn(args)))
 end
 
 local function paramAlias(original, alias)
   local a = paramLookup[original]
   if a then
     if a[5] == nil then a[5] = original end --This is variableOverride because the originals won't put a variable override
     return parseParam(alias, unpack(a, 1, table.maxn(a)))
   else
     error("In paramAlias: '"..original.."' did not exist",2)
   end
 end
 
 --Check if it is a turtle
 if not(turtle or tArgs["help"] or tArgs["-help"] or tArgs["-?"] or tArgs["?"]) then --If all of these are false then
   print("This is not a turtle, you might be looking for the \"Companion Rednet Program\" \nCheck My forum thread for that")
   print("Press 'q' to quit, or any other key to start help ")
   if ({os.pullEvent("char")})[2] ~= "q" then tArgs.help = true else error("",0) end
 end
 
 if tArgs["help"] or tArgs["-help"] or tArgs["-?"] or tArgs["?"] then
   print("You have selected help, press any key to continue"); print("Use arrow keys to navigate, q to quit"); os.pullEvent("key")
   local pos = 1
   local key = 0
   while pos <= #help and key ~= keys.q do
     if pos < 1 then pos = 1 end
     screen(1,1)
     print(help[pos].title)
     for a=1, #help[pos] do print(help[pos][a]) end
     repeat
       _, key = os.pullEvent("key")
     until key == 200 or key == 208 or key == keys.q
     if key == 200 then pos = pos - 1 end
     if key == 208 then pos = pos + 1 end
   end
   error("",0)
 end
 
 if tArgs["-version"] or tArgs["version"] then
   print("QUARRY VERSION: ",VERSION)
   error("",0) --Exit not so gracefully
 end
 
 --Loading custom parameter lists
 local function split(str, sep)
   assert(#sep == 1, "Split seperator too long. Got '"..sep.."'")
   if not str:match(sep) then return {str} end --So everything else isn't pointless
   local toRet = {}
   toRet[1] = str:match("^([^"..sep.."]-)"..sep)
   for i in str:gmatch(sep.."([^"..sep.."]*)") do --Matches not seperator chars
     toRet[#toRet+1] = i
   end
   return toRet
 end
 
 if addParam("file","Custom Parameters","string", false, nil, "parameterFile", false) and parameterFile then --This will not load when resuming because there is no "file" parameter when resuming.
   if not fs.exists(parameterFile) then
     print("WARNING: '"..parameterFile.."' DOES NOT EXIST. FILE NOT LOADED")
     sleep(3)
     changedT.remove()
   else
     local file = fs.open(parameterFile, "r")
     local text = file.readAll()
     file.close()
     text = text.."\n" --So that all replacements work properly
     text = text:gsub("#[^\n]-\n","") --Replace program codes/comment lines+
     local commands = {} --Contains all the parameters
     local append = table.insert
     for _, a in pairs(split(text,"\n")) do
       local words = split(a," ")
       if not a:match("-") then --This means only one command per line
         append(originalArgs,"-"..words[1])
         for i=2, #words do
           append(originalArgs, words[i])
         end
       else --Otherwise the dashes are already ordered where we want!
         for i=1, #words do
           append(originalArgs, words[i])
         end
       end
     end
     initializeArgs() --Manipulate the args again, because we modified them
     print("Finished loading file: ",tArgs[tArgs["-file"]+1])
     sleep(0.5) --Give em a sec
   end
 end
 
 
 
 --Saving
 addParam("doBackup", "Backup Save File", "boolean")
 addParam("saveFile", "Save File Name", "string")
 
 restoreFound = fs.exists(saveFile)
 restoreFoundSwitch = (tArgs["-restore"] or tArgs["-resume"] or tArgs["-atchest"]) and restoreFound and doBackup
 if restoreFoundSwitch then
   local file = fs.open(saveFile,"r")
   local test = file.readAll() ~= ""
   file.close()
   if test then
     local temp = shell and copyTable(shell) --For whatever reason, the shell table doesn't survive resuming. shell and ... so that copyTable doesn't error
     os.run(getfenv(1),saveFile) --This is where the actual magic happens
     shell = temp
     numResumed = numResumed + 1
     if checkFuel() ~= math.huge then --If turtle uses fuel
       if fuelLevel - checkFuel() == 1 then
         if facing == 0 then xPos = xPos + 1
         elseif facing == 2 then xPos = xPos - 1
         elseif facing == 1 then zPos = zPos + 1
         elseif facing == 3 then zPos = zPos - 1 end
       elseif fuelLevel - checkFuel() ~= 0 then
         print("Very Strange Fuel in Restore Section...")
         print("Current: ",checkFuel())
         print("Saved: ",fuelLevel)
         print("Difference: ",fuelLevel - checkFuel())
         os.pullEvent("char")
       end
      end
     if gpsEnabled then --If it had saved gps coordinates
       print("Found GPS Start Coordinates")
       local currLoc = {gps.locate(gpsTimeout)} or {}
       local backupPos = {xPos, yPos, zPos} --This is for comparing to later
       if #currLoc > 0 and #gpsStartPos > 0 and #gpsSecondPos > 0 then --Cover all the different positions I'm using
         print("GPS Position Successfully Read")
         if currLoc[1] == gpsStartPos[1] and currLoc[3] == gpsStartPos[3] then --X coord, y coord, z coord in that order
           xPos, yPos, zPos = 0,1,1
           if facing ~= 0 then turnTo(0) end
           print("Is at start")
         else
           if inverted then --yPos setting
           ------------------------------------------------FIX THIS
           end
           local a, b = copyTable(gpsStartPos), copyTable(gpsSecondPos) --For convenience
           local flag = true --So we can account for left quarry
           if b[3] - a[3] == -1 then--If went north (-Z)
             a[1] = a[1] - 1 --Shift x one to west to create a "zero"
             xPos, zPos = -currLoc[3] + a[3], currLoc[1] + -a[1]
           elseif b[1] - a[1] == 1 then--If went east (+X)
             a[3] = a[3] - 1 --Shift z up one to north to create a "zero"
             xPos, zPos = currLoc[1] + -a[1], currLoc[3] + -a[3]
           elseif b[3] - a[3] == 1 then--If went south (+Z)
             a[1] = a[1] + 1 --Shift x one to east to create a "zero"
             xPos, zPos = currLoc[3] + a[3], -currLoc[1] + a[3]
           elseif b[1] - a[1] == -1 then--If went west (-X)
             a[3] = a[3] + 1 --Shift z down one to south to create a "zero"
             xPos, zPos = -currLoc[1] + a[1], -currLoc[3] + a[3]
           else
             flag = false
             print("Improper Coordinates")
             print("GPS Locate Failed, Using Standard Methods")        ----Maybe clean this up a bit to use flags instead.
           end
           if flag and goLeftNotRight then --This accounts for left quarry (barred to left only because there might be errors in a regular, causing neg/0
             zPos = math.abs(zPos-1) + 1
           end
         end
         print("X Pos: ",xPos)
         print("Y Pos: ",yPos)
         print("Z Pos: ",zPos)
         print("Facing: ",facing)
         for i=1, 3, 2 do --We want 1 and 3, but 2 could be coming back to start.
           if backupPos[i] ~= currLoc[i] then
             events = {} --We want to remove event queue if not in proper place, so won't turn at end of row or things.
           end
         end
       else
         print("GPS Locate Failed, Using Standard Methods")
       end
     print("Restore File read successfully. Starting in 3"); sleep(3)
     end
   else
     fs.delete(saveFile)
     print("Restore file was empty, sorry, aborting")
     error("",0)
   end
 else --If turtle is just starting
   events = {} --This is the event queue :D
   originalFuel = checkFuel() --For use in logging. To see how much fuel is REALLY used
 end
 
 --Dimensions
 if tArgs["-dim"] then
   local a,b,c = x,y,z
   local num = tArgs["-dim"]
   x = tonumber(tArgs[num + 1]) or x; z = tonumber(tArgs[num + 2]) or z; y = tonumber(tArgs[num + 3]) or y
   if a ~= x then changedT.new("Length", x) end
   if c ~= z then changedT.new("Width", z) end
   if b ~= y then changedT.new("Height", y) end
 elseif not (tArgs["-default"] or restoreFoundSwitch) then
   print("What dimensions?")
   print("")
   --This will protect from negatives, letters, and decimals
   term.write("Length? ")
   x = math.floor(math.abs(tonumber(io.read()) or x))
   term.write("Width? ")
   z = math.floor(math.abs(tonumber(io.read()) or z))
   term.write("Height? ")
   y = math.floor(math.abs(tonumber(io.read()) or y))
   changedT.new("Length",x); changedT.new("Width",z); changedT.new("Height",y)
 end
 --Params: parameter/variable name, display name, type, force prompt, boolean condition, variable name override
 --Invert
 addParam("flatBedrock","Go to bedrock", "boolean") --Not done before GPS because GPS only runs on restart
 addParam("invert", "Inverted","boolean", true, not flatBedrock, "inverted") --Not flat bedrock, because invert will be set to false
 addParam("startDown","Start Down","number 1-256", nil, not flatBedrock)
 addParam("left","Left Quarry","boolean", nil, nil, "goLeftNotRight")
 --Inventory
 addParam("chest", "Chest Drop Side", "side front", nil, nil, "dropSide")
 addParam("enderChest","Ender Chest Slot","slot 16") --Note: All slots can be 16 and they will auto-assign, but I feel it is less confusing if they are always the same
 addParam("fuelChest","Fuel Chest Slot","slot 15")
 addParam("basicFuelChest","Basic Fuel Chest","side left")
 --Rednet
 addParam("rednet", "Rednet Enabled","boolean",true, supportsRednet, "rednetEnabled")
 addParam("sendChannel", "Rednet Send Channel", "number 1-65535", false, supportsRednet, "channels.send")
 addParam("receiveChannel","Rednet Receive Channel", "number 1-65535", false, supportsRednet, "channels.receive")
 addParam("fingerprint","Sending Fingerprint", "string", false, supportsRednet, "channels.fingerprint")
 addParam("legacyRednet","Legacy Rednet","boolean", false, supportsRednet)
 --Quad Rotor --Must be before GPS
 if addParam("quad", "Quad Rotor Enabled","boolean",nil, rednetEnabled, "quadEnabled") then --This returns true if param found :3
   gpsEnabled = true
 end
 addParam("quadTimeout","Quad Rotor Timeout","number 1-1000000", nil, quadEnabled) --The amount of time to wait for a quadRotor
 --GPS
 addParam("gps", "GPS Location Services", "force", nil, (not restoreFoundSwitch) and supportsRednet and not quadEnabled, "gpsEnabled" ) --Has these triggers so that does not record position if restarted.
 if gpsEnabled and not restoreFoundSwitch then
   gpsStartPos = {gps.locate(gpsTimeout)} --Stores position in array
   gpsEnabled = #gpsStartPos > 0 --Checks if location received properly. If not, position is not saved
   if quadEnabled and not gpsEnabled then
     error("You have no GPS network. You may not use Quad Rotors",0)
   end
 end
 --Fuel
 addParam("uniqueExtras","Unique Items", "number 0-15")
 addParam("doRefuel", "Refuel from Inventory","boolean", nil, checkFuel() ~= math.huge) --math.huge due to my changes
 addParam("doCheckFuel", "Check Fuel", "boolean", doCheckFuel and fuelChest, checkFuel() ~= math.huge) --Will prompt if doCheckFuel and fuelChest are on. Probably don't want
 excessFuelAmount = excessFuelAmount or math.huge --Math.huge apparently doesn't save properly (Without saving, this is the config, on save it is actually set to nil if math.huge)
 addParam("maxFuel", "Max Fuel", "number 1-999999999", maxFuel == checkFuelLimit() and fuelChest, checkFuel() ~= math.huge, "excessFuelAmount") --Will prompt if fuel chest and the limit isn't changed
 addParam("fuelMultiplier", "Fuel Multiplier", "float 1-9001", nil, checkFuel() ~= math.huge)
 paramAlias("fuelMultiplier","fuelRequestMultiplier")
 paramAlias("fuelMultiplier","overFuel")
 --Logging
 addParam("logging", "Logging", "boolean")
 addParam("logFolder", "Log Folder", "string")
 addParam("logExtension","Log Extension", "string")
 --Misc
 addParam("startY", "Start Y","number 1-256")
 addParam("maxTries","Tries Before Bedrock", "number 1-9001")
 --Inventory
 addParam("keepOpen", "Slots to Keep Open", "number 1-15")
 addParam("careAboutResources", "Care About Resources","boolean")
 addParam("preciseTotals","Precise Totals","boolean", rednetEnabled and turtle.inspect, turtle.getItemDetail ~= nil)
 if preciseTotals and not restoreFoundSwitch then
   exactTotals = {} --Don't want to initialize if we aren't using this
 end
 --Auto Startup
 addParam("autoResume", "Auto Resume", "boolean", nil, doBackup)
 paramAlias("autoResume","autoRestart")
 addParam("startupRename", "Startup Rename","string", nil, autoResume)
 addParam("startupName", "Startup File", "string", nil, autoResume)
 --Ore Quarry
 addParam("oreQuarry", "Ore Quarry", "boolean" )
 if oreQuarry and not turtle.inspect then
   oldOreQuarry = true
   oreQuarry = false
 end
 addParam("lavaBucket","Lava Bucket Slot", "slot 14", nil, oreQuarry)
 paramAlias("lavaBucket","lava")
 paramAlias("lavaBucket","lavaRefuel")
 addParam("lavaBuffer","Lava Buffer","number 1-19999", nil, lavaBucket)
 --Old Ore
 addParam("oldOreQuarry", "Old Ore Quarry", "boolean")
 addParam("dumpCompareItems", "Dump Compare Items", "boolean", nil, oldOreQuarry) --Do not dump compare items if not oreQuarry
 addParam("extraDropItems", "", "force", nil, oldOreQuarry) --Prompt for extra dropItems
 paramAlias("extraDropItems","extraDumpItems") --changed to Dump
 addParam("compareChest","Compare Chest Slot","slot 13", nil, oldOreQuarry)
 addParam("frontChest","Front Chest Check","boolean", nil, compareChest or turtle.insepect) --Does not need oreQuarry, but is similar (does need inspect if not compareChest)
 --New Ore
 addParam("blacklist","Ore Blacklist", "string", nil, oreQuarry, "oreQuarryBlacklistName")
 paramAlias("blacklist","blacklistFile")
 --Mod Related
 
 --Extra
 if tArgs["-testparams"] then
   screen()
   print("KEY: VALUE (VARIABLE)")
   for key, val in ipairs(changedT) do
     if not val.hidden then
       print(val[1],": ",val[2],"  (",val[3] or "",")")
     end
   end
   error("Done",0)
 end
 
 
 --for flatBedrock
 if flatBedrock then
   inverted = false
 end
 
 --Auto Startup functions
 local function doAutoResumeStuff()
   if fs.exists(startupName) then
     if fs.exists(startupRename) then fs.delete(startupRename) end
     fs.move(startupName, startupRename)
   end
   local file = fs.open(startupName,"w") --Startup File
   file.writeLine( --The below is on the left because spacing
 [[
 --This is an auto-generated startup
 --Made by civilwargeeky's Variable Size Quarry
 print("Now Resuming Quarry")
 print("Press any key to quit. You have 5 seconds.")
 function deleteStuff()
   fs.delete("]]..startupName..[[")
   if fs.exists("]]..startupRename..[[") then
     fs.move("]]..startupRename.."\",\""..startupName..[[")
   end
 end
 local event
 if fs.exists("]]..saveFile..[[") then
   for i=5,1,-1 do
     print(i)
     os.startTimer(1)
     event = os.pullEvent()
     if event == "key" then break end
   end
   if event == "timer" then
     os.run({},"]]..shell.getRunningProgram()..[[","-resume")
   else
 
     deleteStuff()
   end
 else
   print("Never mind, no save file found")
   deleteStuff()
 end
   ]])
   file.close()
 end
 if autoResume and not restoreFoundSwitch then --Don't do for restore because would overwrite renamed thing. Can't edit mid-run because no shell in restarted
   doAutoResumeStuff()
 end
 --oreQuarry blacklist
 local blacklist = { "minecraft:air",  "minecraft:bedrock", "minecraft:cobblestone", "minecraft:dirt", "minecraft:ice", "minecraft:ladder", "minecraft:netherrack", "minecraft:sand", "minecraft:sandstone",
   "minecraft:snow", "minecraft:snow_layer", "minecraft:stone", "minecraft:gravel", "minecraft:grass", "minecraft:torch" }
 for a,b in pairs(copyTable(blacklist)) do
   blacklist[b], blacklist[a] = true, nil --Switch
 end
 if fs.exists(oreQuarryBlacklistName) then --Loading user-defined blacklist
   local file = fs.open(oreQuarryBlacklistName, "r")
   blacklist = {}
   for a in file:readAll():gmatch("[^,\n]+") do
     blacklist[a:match("[%w_.]+:[%w_.]+")] = true --Grab only the actual characters, not whitespaces
   end
   file:close()
 end
 
 --Manual Position
 if tArgs["-manualpos"] then --Gives current coordinates in xPos,zPos,yPos, facing
   local a = tArgs["-manualpos"]
   xPos, zPos, yPos, facing = tonumber(tArgs[a+1]) or xPos, tonumber(tArgs[a+2]) or zPos, tonumber(tArgs[a+3]) or yPos, tonumber(tArgs[a+4]) or facing
   changedT.new("xPos",xPos); changedT.new("zPos",zPos); changedT.new("yPos",yPos); changedT.new("facing",facing)
   restoreFoundSwitch = true --So it doesn't do beginning of quarry behavior
   for i=0,4 do tArgs[a+i] = "" end --Get rid of this argument from future restores
 end
 if addParam("atChest", "Is at Chest", "force") then --This sets position to 0,1,1, facing forward, and queues the turtle to go back to proper row.
   local neededLayer = math.floor((yPos+1)/3)*3-1 --Make it a proper layer, +- because mining rows are 2, 5, etc.
   if neededLayer > 2 and neededLayer%3 ~= 2 then --If turtle was not on a proper mining layer
     print("Last known pos was not in proper layer, restarting quarry")
     sleep(4)
     neededLayer = 2
   end
   xPos, zPos, yPos, facing, rowCheck, layersDone = 0,1,1, 0, true, math.ceil(neededLayer/3)
   doAutoResumeStuff() --This was probably deleted when they hit a key to launch with -atChest
   events = {{"goto",1,1,neededLayer, 0}}
 end
 
 
 local function saveProgress(extras) --Session persistence
 exclusions = { modem = true, shell = true, _ENV = true}
 if doBackup then
 local toWrite = ""
 for a,b in pairs(getfenv(1)) do
   if not exclusions[a] then
       --print(a ,"   ", b, "   ", type(b)) --Debug
     if type(b) == "string" then b = "\""..b.."\"" end
     if type(b) == "table" then b = textutils.serialize(b) end
     if type(b) ~= "function" then
       toWrite = toWrite..a.." = "..tostring(b).."\n"
     end
   end
 end
 toWrite = toWrite.."doCheckFuel = false\n" --It has already used fuel, so calculation unnecessary
 local file
 repeat
   file = fs.open(saveFile,"w")
 until file
 file.write(toWrite)
 if type(extras) == "table" then
   for a, b in pairs(extras) do
     file.write(a.." = "..tostring(b).."\n")
   end
 end
 if checkFuel() ~= math.huge then --Used for location comparing
   file.write("fuelLevel = "..tostring(checkFuel()).."\n")
 end
 file.close()
 end
 end
 
 local area = x*z
 local volume = x*y*z
 local lastHeight = y%3
 layers = math.ceil(y/3)
 local yMult = layers --This is basically a smart y/3 for movement
 local moveVolume = (area * yMult) --Kept for display percent
 --Calculating Needed Fuel--
 do --Because many local variables unneeded elsewhere
   local changeYFuel = 2*(y + startDown)
   local dropOffSupplies = 2*(x + z + y + startDown) --Assumes turtle as far away as possible, and coming back
   local frequency = math.ceil(((moveVolume/(64*(15-uniqueExtras) + uniqueExtras)) ) ) --This is complicated: volume / inventory space of turtle, defined as 64*full stacks + 1 * unique stacks.
                                                                                      --max of 15 full stacks because once one item is picked up, slot is "full". Ceil to count for initial back and forth
   if enderChest then frequency = 0 end --Never goes back to start
   neededFuel = moveVolume + changeYFuel + (frequency * dropOffSupplies) + ((x + z) * layers) --x + z *layers because turtle has to come back from far corner every layer
   neededFuel = neededFuel + fuelTable[fuelSafety] --For safety
 end
 
 if neededFuel > checkFuelLimit() and doCheckFuel then--Checks for if refueling goes over turtle fuel limit
   if not (doRefuel or fuelChest) then
     screen()
     print("Turtle cannot hold enough fuel\n")
     print("Options: \n1. Select a smaller size \n2. Enable Mid-Run Refueling (RECOMMENDED) \n3. Turn fuel checking off (only if fuel chest) \n4. Do nothing")
     local _, key = os.pullEvent("char")
     if key == "1" then
       screen(); print("Okay"); error("",0)
     elseif key == "3" then
       doCheckFuel = false
     elseif key == "4" then
       --pass
     else --Not for number two because this is default
       doRefuel = true
     end
   end
   neededFuel = checkFuelLimit()-checkFuel()-1
 end
 
 
 --Getting Fuel
 local hasRefueled --This is for oldOreQuarry prompting
 if doCheckFuel and checkFuel() < neededFuel then
   neededFuel = math.min(math.floor(neededFuel * fuelMultiplier), checkFuelLimit()-checkFuel()-1) --Does the same as above, but not verbose because optional
   hasRefueled = true
   print("Not enough fuel")
   print("Current: ",checkFuel()," Needed: ",neededFuel)
   print("Starting SmartFuel...")
   sleep(2) --So they can read everything.
   term.clear()
   local oneFuel, neededFuelItems = 0,0 --Initializing Variables
   local currSlot = 0
   local function output(text, x, y) --For displaying fuel statistics
     local currX, currY = term.getCursorPos()
     term.setCursorPos(x,y)
     term.clearLine()
     term.write(text)
     term.setCursorPos(currX,currY)
   end
   local function roundTo(num, target) --For stacks of fuel and turtle slots when undergoing addition/subtraction
     if num >= target then return target elseif num < 0 then return 0 else return num end
   end
   local function updateScreen()
     output("Welcome to SmartFuel! Now Refueling...", 1,1)
     output("Fuel Request Multiplier: "..tostring(fuelMultiplier).."x",1,2)
     output("Currently taking fuel from slot "..currSlot,1,3)
     output("Current single fuel: "..tostring(oneFuel or 0),1,4)
     output("Current estimate of needed fuel: ",1,4)
     output("Single Items: "..math.ceil(neededFuelItems),4,6)
     output("Stacks:       "..math.ceil(neededFuelItems / 64),4,7)
     output("Needed Fuel: "..tostring(neededFuel),1,12)
     output("Current Fuel: "..tostring(checkFuel()),1,13)
   end
   while checkFuel() < neededFuel do
     currSlot = currSlot + 1
     select(currSlot)
     if currSlot ~= 1 and not turtle.refuel(0) then --If it's not the first slot, and not fuel, go back to start
       currSlot = 1; select(currSlot)
     end
     updateScreen()
     while turtle.getItemCount(currSlot) == 0 do
       sleep(1.5)
     end
     repeat --TODO: Probably unnecessary loop, remove later
       local previous = checkFuel()
       turtle.refuel(1)
       oneFuel = checkFuel() - previous
       updateScreen()
     until (oneFuel or 0) > 0 --Not an if to prevent errors if fuel taken out prematurely.
     neededFuelItems = math.ceil((neededFuel - checkFuel()) / oneFuel)
     turtle.refuel(roundTo(neededFuelItems, 64)) --Change because can only think about 64 at once.
     if turtle.getItemCount(roundTo(currSlot + 1, inventoryMax)) == 0 then --Resets if no more fuel
       currSlot = 0
     end
     neededFuelItems = math.ceil((neededFuel - checkFuel()) / oneFuel) --This line is not repeated uselessly, it's for the display function
   end
   select(1)
 end
 --Ender Chest Obtaining
 function promptSpecialSlot(specialSlot, name, limit)
   local function isInRange(toCheck, lower, upper) return toCheck <= upper and toCheck >= lower end
   while not isInRange(turtle.getItemCount(specialSlots[specialSlot]), 1, limit or 1) do
     screen(1,1)
     print("You have decided to use a ",name,"!")
     print("Please place one ",name," in slot ",specialSlots[specialSlot])
     sleep(1)
   end
   print(name," in slot ",specialSlots[specialSlot], " checks out")
 end
 function checkSpecialSlot(specialSlot, name, allowed)
  if restoreFoundSwitch and turtle.getItemCount(specialSlots[specialSlot]) == 0 then --If the turtle was stopped while dropping off items.
     select(specialSlots[specialSlot])
     turtle.dig()
     select(1)
   end
   promptSpecialSlot(specialSlot, name, allowed)
   allowedItems[specialSlots[specialSlot]] = 1
   sleep(1)
 end
 if enderChest then
   checkSpecialSlot("enderChest","Ender Chest")
 end
 if fuelChest then
   checkSpecialSlot("fuelChest","Fuel Chest")
 end
 if lavaBucket then
   checkSpecialSlot("lavaBucket","Empty Bucket")
   select(specialSlots.lavaBucket)
   if turtle.refuel(1) then --Just in case they actually put in a lava bucket >:(
     print("No! You're supposed to put in an empty bucket") --This doubles as emptying the lava bucket if mid-run
     sleep(2)
   end
   select(1)
 end
 if compareChest then
   checkSpecialSlot("compareChest","Chest", 64)
 end
 
 --Setting which slots are marked as compare slots
 if oldOreQuarry then
   if not restoreFoundSwitch then --We don't want to reset compare blocks every restart
     local counter = 0
     for i=1, inventoryMax do if turtle.getItemCount(i) > 0 and not specialSlots[i] then counter = counter+1 end end --If the slot has items, but isn't enderChest slot if it is enabled
 
     screen(1,1)
     print("You have selected an Ore Quarry!")
     if counter == 0 or hasRefueled then --If there are no compare slots, or the turtle has refueled, and probably has fuel in inventory
       print("Please place your compare blocks in the first slots\n")
 
       print("Press Enter when done")
       repeat until ({os.pullEvent("key")})[2] == 28 --Should wait for enter key to be pressed
     else
       print("Registering slots as compare slots")
       sleep(1)
     end
     for i=1, inventoryMax do
       if turtle.getItemCount(i) > 0 then
         if not specialSlots[i] then
           table.insert(compareSlots, i) --Compare slots are ones compared to while mining. Conditions are because we Don't want to compare to enderChest
           allowedItems[i] = 1 --Blacklist is for dropping off items. The number is maximum items allowed in slot when dropping off
           dumpSlots[i] = true --We also want to ignore all excess of these items, like dirt
         end
       end
     end
     if extraDropItems then
       screen(1,1)
       print("Put in extra drop items now\n")
       print("Press Enter when done")
       repeat until ({os.pullEvent("key")})[2] == 28 --Should wait for enter key to be pressed
       for i=1,inventoryMax do
         if not dumpSlots[i] and turtle.getItemCount(i) > 0 then --I don't want to modify from above, so I check it hasn't been assigned.
           dumpSlots[i] = true
           allowedItems[i] = 1
         end
       end
     end
     --This is could go very wrong if this isn't here
     if #compareSlots >= inventoryMax-keepOpen then screen(1,1); error("You have more quarry compare items than keep open slots, the turtle will continuously come back to start. Please fix.",0) end
   end
   local counter = 0
   for a, b in pairs(compareSlots) do if  turtle.getItemCount(b) > 0 then counter = counter + 1 end end
   if counter == 0 then
     screen(1,1)
     print("You have an ore quarry without any compare slots. Continue? y/n")
     if ({os.pullEvent("char")})[2] ~= "y" then error("",0) end
   end
 elseif not oreQuarry then --This was screwing up dumpCompareItems
   dumpCompareItems = false --If not an ore quarry, this should definitely be false
   if specialSlots.enderChest == 1 then
     dumpSlots[2] = true
   else
     dumpSlots[1] = true
   end
 end
 
 --Rednet Handshake
 function newMessageID()
   return math.random(1,2000000000)
 end
 function sendMessage(send, receive, message)
   if legacyRednet then
     if type(message) == "table" then message = textutils.serialize(message) end
     return modem.transmit(send, receive, message)
   end
   return modem.transmit(send , receive, {fingerprint = channels.fingerprint, id = newMessageID(), message = message})
 end
 if rednetEnabled then
   screen(1,1)
   print("Rednet is Enabled")
   print("The Channel to open is "..channels.send)
   if peripheral.find then
     modem = peripheral.find("modem")
   else
     modem = peripheral.wrap("right")
   end
   modem.open(channels.receive)
   local i = 0
     repeat
       local id = os.startTimer(3)
       i=i+1
       print("Sending Initial Message "..i)
       sendMessage(channels.send, channels.receive, channels.message)
       local message = {} --Have to initialize as table to prevent index nil
       repeat
         local event, idCheck, channel,_,locMessage, distance = os.pullEvent()
         if locMessage then message = locMessage end
         if legacyRednet then --For that one guy that uses 1.4.7
           message = {message = message}
         end
       until (event == "timer" and idCheck == id) or (event == "modem_message" and channel == channels.receive and type(message) == "table")
     until message.message == channels.confirm
   connected = true
   print("Connection Confirmed!")
   sleep(1.5)
 end
 function biometrics(isAtBedrock, requestQuad)
   if not rednetEnabled then return end --This function won't work if rednet not enabled :P
   local toSend = { label = os.getComputerLabel() or "No Label", id = os.getComputerID(),
     percent = percent, zPos = relzPos, xPos = relxPos, yPos = yPos,
     layersDone = layersDone, x = x, z = z, layers = layers,
     openSlots = getNumOpenSlots(), mined = mined, moved = moved,
     chestFull = chestFull, isAtChest = (xPos == 0 and yPos == 1 and zPos == 1),
     isGoingToNextLayer = (gotoDest == "layerStart"), foundBedrock = foundBedrock,
     fuel = checkFuel(), volume = volume, status = statusString,
     }
   if requestQuad and isInPath then --If we are requesting a quadRotor to send help
     if not gps.locate(gpsTimeout) then
       print("\nOH NOES! Trying to reach quadrotor, but can't get GPS position!")
       sleep(1)
     else
       toSend.firstPos = gpsStartPos
       toSend.secondPos = gpsSecondPos
       toSend.emergencyLocation = {gps.locate(gpsTimeout)}
     end
   end
   sendMessage(channels.send, channels.receive, toSend)
   id = os.startTimer(0.1)
   local event, received
   repeat
     local locEvent, idCheck, confirm, _, locMessage, distance = os.pullEvent()
     event, received = locEvent, locMessage or {message = ""}
     if legacyRednet and type(received) == "string" then
       received = {message = received}
     end
   until (event == "timer" and idCheck == id) or (event == "modem_message" and confirm == channels.receive and type(received) == "table")
   if event == "modem_message" then connected = true else connected = false end
   local message = received.message:lower()
   if message == "stop" or message == "quit" or message == "kill" then
     count(true)
     display()
     error("Rednet said to stop...",0)
   end
   if message == "return" then
     endingProcedure()
     error('Rednet said go back to start...',0)
   end
   if message == "drop" then
     dropOff()
   end
   if message == "pause" then
     print("\nTurtle is paused. Send 'resume' or press any character to resume")
     statusString = "Paused"
     toSend.status = statusString
     os.startTimer(3)
     repeat --The turtle sends out periodic messages, which will clear the receiver's queue and send a message (if it exists)
      --This may be a bit overkill, sending the whole message again, but whatever.
       local event, idCheck, confirm, _, message, distance = os.pullEvent()
       if event == "timer" then os.startTimer(3); sendMessage(channels.send, channels.receive, toSend) end --Only send messages on the timer. This prevents ridiculous spam
     until (event == "modem_message" and confirm == channels.receive and (message.message == "resume" or message.message == "unpause" or message.message == "pause")) or (event == "char")
     statusString = nil
   end
   if message == "refuel" then
     print("\nEngaging in emergency refueling")
     emergencyRefuel(true)
   end
 
 end
 --Showing changes to settings
 screen(1,1)
 print("Your selected settings:")
 if #changedT == 0 then
   print("Completely Default")
   else
   for i=1, #changedT do
     if not changedT[i].hidden then
       print(changedT[i][1],": ",changedT[i][2]) --Name and Value
     end
   end
 end
 print("\nStarting in 3"); sleep(1); print("2"); sleep(1); print("1"); sleep(1.5) --Dramatic pause at end
 
 
 
 ----------------------------------------------------------------
 --Define ALL THE FUNCTIONS
 --Event System Functions
 function eventSetInsertionPoint(num)
   eventInsertionPoint = num or 1
 end
 function eventAddAt(pos, ...)
   return table.insert(events,pos, {...}) or true
 end
 function eventAdd(...) --Just a wrapper
   return eventAddAt(eventInsertionPoint, ...)
 end
 function eventGet(pos)
   return events[tonumber(pos) or #events]
 end
 function eventPop(pos)
   return table.remove(events,tonumber(pos) or #events) or false --This will return value popped, tonumber returns nil if fail, so default to end
 end
 function eventRun(value, ...)
   local argsList = {...}
   if type(value) == "string" then
     if value:sub(-1) ~= ")" then --So supports both "up()" and "up"
       value = value .. "("
       for a, b in pairs(argsList) do --Appending arguments
         local toAppend
         if type(b) == "table" then toAppend = textutils.serialize(b)
         elseif type(b) == "string" then toAppend = "\""..tostring(b).."\"" --They weren't getting strings around them
         else toAppend = tostring(b) end
         value = value .. (toAppend or "true") .. ", "
       end
       if value:sub(-1) ~= "(" then --If no args, do not want to cut off
         value = value:sub(1,-3)..""
       end
       value = value .. ")"
     end
     --print(value) --Debug
     local func = loadstring(value)
     setfenv(func, getfenv(1))
     return func()
   end
 end
 function eventClear(pos)
   if pos then events[pos] = nil else events = {} end
 end
 function runAllEvents()
   while #events > 0 do
     local toRun = eventGet()
     --print(toRun[1]) --Debug
     eventRun(unpack(toRun))
     eventPop()
   end
 end
 
 --Display Related Functions
 function display() --This is just the last screen that displays at the end
   screen(1,1)
   print("Total Blocks Mined: "..mined)
   print("Current Fuel Level: "..checkFuel())
   print("Cobble: "..totals.cobble)
   print("Usable Fuel: "..totals.fuel)
   print("Other: "..totals.other)
   if rednetEnabled then
     print("")
     print("Sent Stop Message")
     if legacyRednet then --This was the traditional stopping signal
       print("Sent Legacy Stop")
       sendMessage(channels.send, channels.receive, "stop")
     end
     local finalTable = {mined = mined, cobble = totals.cobble, fuelblocks = totals.fuel,
         other = totals.other, fuel = checkFuel(), isDone = true }
     if preciseTotals then
       finalTable.preciseTotals = exactTotals --This table doubles as a flag.
     end
     sendMessage(channels.send,channels.receive, finalTable)
     modem.close(channels.receive)
   end
   if doBackup then
     fs.delete(saveFile)
     if autoResume then --Getting rid of the original startup files and replacing
       fs.delete(startupName)
       if fs.exists(startupRename) then
         fs.move(startupRename, startupName)
       end
     end
   end
 end
 function updateDisplay() --Runs in Mine(), display information to the screen in a certain place
 screen(1,1)
 print("Blocks Mined")
 print(mined)
 print("Percent Complete")
 print(percent.."%")
 print("Fuel")
 print(checkFuel())
   -- screen(1,1)
   -- print("Xpos: ")
   -- print(xPos)
   -- print("RelXPos: ")
   -- print(relxPos)
   -- print("Z Pos: ")
   -- print(zPos)
   -- print("Y pos: ")
   -- print(yPos)
 if rednetEnabled then
 screenLine(1,7)
 print("Connected: "..tostring(connected))
 end
 end
 --Utility functions
 local function pad(str, length, side)
   toRet = ""
   if side == "right" then
     toRet = str
   end
   for i=1, length-#str do
     toRet = toRet.." "
   end
   if side == "left" then
     toRet = toRet..str
   end
   return toRet
 end
 function logMiningRun(textExtension, extras) --Logging mining runs
   if not logging then return end
   local number, name = 0
   if not fs.isDir(logFolder) then
     fs.delete(logFolder)
     fs.makeDir(logFolder)
   end
   repeat
     number = number + 1 --Number will be at least 2
     name = logFolder.."/Quarry_Log_"..tostring(number)..(textExtension or "")
   until not fs.exists(name)
   local handle = fs.open(name,"w")
   local function write(...)
     for a, b in ipairs({...}) do
       handle.write(tostring(b))
     end
     handle.write("\n")
   end
   local function boolToText(bool) if bool then return "Yes" else return "No" end end
   write("Welcome to the Quarry Logs!")
   write("Entry Number: ",number)
   write("Quarry Version: ",VERSION)
   write("Dimensions (X Z Y): ",x," ",z," ", y)
   write("Blocks Mined: ", mined)
   write("  Cobble: ", totals.cobble)
   write("  Usable Fuel: ", totals.fuel)
   write("  Other: ",totals.other)
   write("Total Fuel Used: ",  (originalFuel or (neededFuel + checkFuel()))- checkFuel()) --Protect against errors with some precision
   write("Expected Fuel Use: ", neededFuel)
   write("Days to complete mining run: ",os.day()-originalDay)
   write("Day Started: ", originalDay)
   write("Number of times resumed: ", numResumed)
   write("Was an ore quarry? ",boolToText(oreQuarry or oldOreQuarry))
   write("Was inverted? ",boolToText(invert))
   write("Was using rednet? ",boolToText(rednetEnabled))
   write("Chest was on the ",dropSide," side")
   if startDown > 0 then write("Started ",startDown," blocks down") end
   if exactTotals then
     write("\n==DETAILED TOTALS==")
     for a,b in pairs(exactTotals) do
       write(pad(a, 15, "right"),":",pad(tostring(b),({term.getSize()})[1]-15-1, "left"))
     end
   end
   handle.close()
 end
 --Inventory related functions
 function isFull(slots) --Checks if there are more than "slots" used inventory slots.
   slots = slots or inventoryMax
   local numUsed = 0
   sleep(0)
   for i=1, inventoryMax do
     if turtle.getItemCount(i) > 0 then numUsed = numUsed + 1 end
   end
   if numUsed > slots then
     return true
   end
   return false
 end
 function countUsedSlots() --Returns number of slots with items in them, as well as a table of item counts
   local toRet, toRetTab = 0, {}
   for i=1, inventoryMax do
     local a = turtle.getItemCount(i)
     if a > 0 then toRet = toRet + 1 end
     table.insert(toRetTab, a)
   end
   return toRet, toRetTab
 end
 function getSlotsTable() --Just get the table from above
   local _, toRet = countUsedSlots()
   return toRet
 end
 function getChangedSlots(tab1, tab2) --Returns a table of changed slots. Format is {slotNumber, numberChanged}
   local toRet = {}
   for i=1, math.min(#tab1, #tab2) do
     diff = math.abs(tab2[i]-tab1[i])
     if diff > 0 then
       table.insert(toRet, {i, diff})
     end
   end
   return toRet
 end
 function getFirstChanged(tab1, tab2) --Just a wrapper. Probably not needed
   local a = getChangedSlots(tab1,tab2)
   return (a[1] or {"none"})[1]
 end
 
 function getRep(which, list) --Gets a representative slot of a type. Expectation is a sequential table of types
   for a,b in pairs(list) do
     if b == which then return a end
   end
   return false
 end
 function assignTypes(types, count) --The parameters allow a preexisting table to be used, like a table from the original compareSlots...
   types, count = types or {1}, count or 1 --Table of types and current highest type
   for i=1, inventoryMax do
     if turtle.getItemCount(i) > 0 and not specialSlots[i] then --Not special slots so we don't count ender chests
       select(i)
       for k=1, count do
         if turtle.compareTo(getRep(k, types)) then types[i] = k end
       end
       if not types[i] then
         count = count + 1
         types[i] = count
       end
       if oreQuarry then
         if blacklist[turtle.getItemDetail().name] then
           dumpSlots[i] = true
         else
           dumpSlots[i] = false
         end
       end
     end
   end
   select(1)
   return types, count
 end
 function getTableOfType(which, list) --Returns a table of all the slots of which type
   local toRet = {}
   for a, b in pairs(list) do
     if b == which then
       table.insert(toRet, a)
     end
   end
   return toRet
 end
 
 --This is so the turtle will properly get types, otherwise getRep of a type might not be a dumpSlot, even though it should be.
 if not restoreFoundSwitch then --We only want this to happen once
   if oldOreQuarry then --If its not ore quarry, this screws up type assigning
     initialTypes, initialCount = assignTypes()
   else
     initialTypes, initialCount = {1}, 1
   end
 end
 
 function count(add) --Done any time inventory dropped and at end, true=add, false=nothing, nil=subtract
   local mod = -1
   if add then mod = 1 end
   if add == false then mod = 0 end
   slot = {}        --1: Filler 2: Fuel 3:Other --[1] is type, [2] is number
   for i=1, inventoryMax do
     slot[i] = {}
     slot[i][2] = turtle.getItemCount(i)
   end
 
   local function iterate(toSet , rawTypes, set)
     for _, a in pairs(getTableOfType(toSet, rawTypes)) do --Get all slots matching type
       slot[a][1] = set --Set official type to "set"
     end
   end
 
   --This assigns "dumb" types to all slots based on comparing, then based on knowledge of dump type slots, changes all slots matching a dump type to one. Otherwise, if the slot contains fuel, it is 2, else 3
   local rawTypes, numTypes = assignTypes(copyTable(initialTypes), initialCount) --This gets increasingly numbered types, copyTable because assignTypes will modify it
 
   for i=1, numTypes do
     if (select(getRep(i, rawTypes)) or true) and turtle.refuel(0) then --Selects the rep slot, checks if it is fuel
       iterate(i, rawTypes, 2) --This type is fuel
     elseif dumpSlots[getRep(i,(oreQuarry and rawTypes) or initialTypes)] then --If the rep of this slot is a dump item. This is initial types so that the rep is in dump slots. rawTypes if oreQuarry to get newly assigned dumps
       iterate(i, rawTypes, 1) --This type is cobble/filler
     else
       iterate(i, rawTypes, 3) --This type is other
     end
   end
 
   for i=1,inventoryMax do
     if not specialSlots[i] then --Do nothing for specialSlots!
       if exactTotals and slot[i][2] > 0 then
         local data = turtle.getItemDetail(i)
         exactTotals[data.name] = (exactTotals[data.name] or 0) + (data.count * mod)
       end
       if slot[i][1] == 1 then totals.cobble = totals.cobble + (slot[i][2] * mod)
       elseif slot[i][1] == 2 then totals.fuel = totals.fuel + (slot[i][2] * mod)
       elseif slot[i][1] == 3 then totals.other = totals.other + (slot[i][2] * mod) end
     end
   end
 
   select(1)
 end
 
 --Refuel Functions
 function emergencyRefuel(forceBasic)
   local continueEvac = true --This turns false if more fuel is acquired
   if fuelChest then --This is pretty much the only place that this will be used
     if not fuelChestPhase then --Since I want to do things with return of enderRefuel, I will just make a special system. All of this is for backup safety.
       fuelChestPhase = 0 --Global variable will be saved
       fuelChestProperFacing = facing
     end
     if fuelChestPhase == 0 then
       turnTo(coterminal(fuelChestProperFacing+2))
       dig(false)
       fuelChestPhase = 1
       saveProgress()
     end
     if fuelChestPhase == 1 then
       select(specialSlots.fuelChest)
       turtle.place()
       fuelChestPhase = 2
       saveProgress()
     end
     if fuelChestPhase == 2 then
       if not enderRefuel() then --Returns false if slots are full
         select(specialSlots.fuelChest)
         turtle.drop() --Somehow stuff got in here...
       end
       fuelChestPhase = 3
       saveProgress()
     end
     if fuelChestPhase == 3 then
       select(specialSlots.fuelChest)
       dig(false)
       select(1)
       fuelChestPhase = 4
       saveProgress()
     end
     if fuelChestPhase == 4 then
       turnTo(fuelChestProperFacing)
       fuelChestProperFacing = nil --Getting rid of saved values
       fuelChestPhase = nil
       continueEvac = false
     end
   elseif quadEnabled then --Ask for a quadRotor
     screen()
     print("Attempting an emergency Quad Rotor refuel")
     print("The turtle will soon send a message, then wait ",quadTimeout," seconds before moving on")
     print("Press any key to break timer")
     biometrics(nil, true)
     local timer, counter, counterID, event, id  = os.startTimer(quadTimeout), 0, os.startTimer(1)
     local startInventory = getSlotsTable()
     repeat
       if id == counterID then counter = counter + 1; counterID = os.startTimer(1) end
       screenLine(1,6)
       print("Seconds elapsed: ",counter)
       event, id = os.pullEvent() --Waits for a key or fuel or the timer
     until (event == "timer" and id == timer) or event == "key" or event == "turtle_inventory" --Key event just makes turtle go back to start
     if event == "turtle_inventory" then --If fuel was actually delivered
       local slot = getFirstChanged(startInventory, getSlotsTable())
       select(slot)
       local initialFuel = checkFuel()
       midRunRefuel(slot)
       if checkFuel() > initialFuel then
         print("Fuel delivered! Evac aborted")
         continueEvac = false
       else
         print("What did you send the turtle? Not fuel >:(")
         print("Continuing evac")
       end
       sleep(1)
     end
   elseif basicFuelChest and (checkFuel() >= (xPos+zPos+yPos+1)) then --If we have a fuel chest waiting at the top and can make it back ok
     --Copied from "dropOff" function
     eventAdd("goto", 1,1,currY,2, "refuel") --Need this step for "-startDown"
     eventAdd('goto(0,1,1,2,"refuel")')
     eventAdd("drop", dropSide,false) --May as well drop off inventory while we're there (assuming they aren't using just one enderchest [for dropping off] for some reason. That would be annoying to code)
     eventAdd("basicFuelChestRefuel")
     eventAdd("turnTo(0)")
     eventAdd("mine",false,false,true,false)
     eventAdd("goto(1,1,1, 0)")
     eventAdd("goto", 1, 1, currY, 0)
     eventAdd("goto", currX,currZ,currY,currFacing)
     runAllEvents()
     continueEvac = false
   elseif doRefuel or forceBasic then --Attempt an emergency refueling
     screen()
     print("Attempting an emergency refuel")
     print("Fuel Level:    ",checkFuel())
     print("Distance Back: ",(xPos+zPos+yPos+1))
     print("Categorizing Items")
     count(false) --Do not add count, but categorize
     local fuelSwitch, initialFuel = false, checkFuel() --Fuel switch so we don't go over limit (in emergency...)
     print("Going through available fuel slots")
     for i=1, inventoryMax do
       if fuelSwitch then break end
       if turtle.getItemCount(i) > 0 and slot[i][1] == 2 then --If there are items and type 2 (fuel)
         select(i)
         fuelSwitch = midRunRefuel(i) --See above "function drop" for usage
       end
     end
     select(1) --Cleanup
     print("Done fueling")
     if checkFuel() > initialFuel then
       continueEvac = false
       print("Evac Aborted")
     else
       print("Evac is a go, returning to base")
       sleep(1.5) --Pause for reading
     end
   end
   return continueEvac
 end
 
 function lavaRefuel(suckDir)
   if checkFuel() + lavaBuffer >= checkFuelLimit() then return false end -- we don't want to constantly over-fuel the turtle.
   local suckFunc
   if suckDir == "up" then suckFunc = turtle.placeUp
   elseif suckDir == "down" then suckFunc = turtle.placeDown
   else suckFunc = turtle.place end
 
   select(specialSlots.lavaBucket)
   if suckFunc() then
     midRunRefuel(specialSlots.lavaBucket, 0) --0 forces it to refuel, even though allowed items[slot] is 1
   end
   select(1)
   return true
 end
 
 --Mining functions
 function dig(doAdd, mineFunc, inspectFunc, suckDir) --Note, turtle will not bother comparing if not given an inspectFunc
   if doAdd == nil then doAdd = true end
   mineFunc = mineFunc or turtle.dig
   local function retTab(tab) if type(tab) == "table" then return tab end end --Please ignore the stupid one-line trickery. I felt special writing that. (Unless it breaks, then its cool)
     --Mine if not in blacklist. inspectFunc returns success and (table or string) so retTab filters out the string and the extra table prevents errors.
   local mineFlag = false
   if oreQuarry and inspectFunc then
     local worked, data = inspectFunc()
     if data then
       mineFlag = not blacklist[data.name]
       if data.name == chestID then
         emptyChest(suckDir)
       end
       if lavaBucket and data.name == lavaID and data.metadata == lavaMeta then
         lavaRefuel(suckDir)
       end
     end
   end
   if not oreQuarry or not inspectFunc or mineFlag then --Mines if not oreQuarry, or if the inspect passed
    if mineFunc() then
      if doAdd then
        mined = mined + 1
      end
      return true
    else
      return false
    end
   end
   return true --This only runs if oreQuarry but item not in blacklist. true means succeeded in duty, not necessarily dug block
 end
 
 function digUp(doAdd, ignoreInspect)--Regular functions :) I switch definitions for optimization (I think)
   return dig(doAdd, turtle.digUp, (not ignoreInspect and turtle.inspectUp) or nil, "up")
 end
 function digDown(doAdd, ignoreInspect)
   return dig(doAdd, turtle.digDown, (not ignoreInspect and turtle.inspectDown) or nil, "down")
 end
 if inverted then --If inverted, switch the options
   digUp, digDown = digDown, digUp
 end
 
 function smartDig(doDigUp, doDigDown) --This function is used only in mine when oldOreQuarry
   if inverted then doDigUp, doDigDown = doDigDown, doDigUp end --Switching for invert
   local blockAbove, blockBelow = doDigUp and turtle.detectUp(), doDigDown and turtle.detectDown() --These control whether or not the turtle digs
   local index = 1
   for i=1, #compareSlots do
     if not (blockAbove or blockBelow) then break end --We don't want to go selecting if there is nothing to dig
     index = i --To access out of scope
     select(compareSlots[i])
     if blockAbove and turtle.compareUp() then blockAbove = false end
     if blockBelow and turtle.compareDown() then blockBelow = false end
   end
   if compareChest then
     local flag = false
     select(specialSlots.compareChest)
     if turtle.compareUp() then emptyChest("up") end --Impressively, this actually works with session persistence. I'm gooood (apparently :P )
     if turtle.compareDown() then emptyChest("down") end --Looking over the code, I see no reason why that works... Oh well.
   end
   table.insert(compareSlots, 1, table.remove(compareSlots, index)) --This is so the last selected slot is the first slot checked, saving a select call
   if blockAbove then dig(true, turtle.digUp) end
   if blockBelow then dig(true, turtle.digDown) end
 end
 
 function relxCalc()
   if layersDone % 2 == 1 then
     relzPos = zPos
   else
     relzPos = (z-zPos) + 1
   end
   if relzPos % 2 == 1 then
     relxPos = xPos
   else
     relxPos = (x-xPos)+1
   end
   if layersDone % 2 == 0 and z % 2 == 1 then
     relxPos = (x-relxPos)+1
   end
 end
 function horizontalMove(movement, posAdd, doAdd)
   if doAdd == nil then doAdd = true end
   if movement() then
     if doAdd then
       moved = moved + 1
     end
     if facing == 0 then
       xPos = xPos + 1
     elseif facing == 1 then
       zPos = zPos + 1
     elseif facing == 2 then
       xPos = xPos - 1
     elseif facing == 3 then
       zPos = zPos - 1
     else
       error("Function forward, facing should be 0 - 3, got "..tostring(facing),2)
     end
     relxCalc()
     return true
   end
   return false
 end
 function forward(doAdd)
   return horizontalMove(turtle.forward, 1, doAdd)
 end
 function back(doAdd)
   return horizontalMove(turtle.back, -1, doAdd)
 end
 function verticalMove(moveFunc, yDiff, digFunc, attackFunc)
   local count = 0
   while not moveFunc() do
     if not digFunc(true, true) then --True True is doAdd, and ignoreInspect
       attackFunc()
       sleep(0.5)
       count = count + 1
       if count > maxTries and yPos > (startY-7) then bedrock() end
     end
   end
   yPos = yDiff + yPos
   saveProgress()
   biometrics()
   return true
 end
 function up() --Uses other function if inverted
   verticalMove(inverted and turtle.down or turtle.up, -1, digUp, attackUp) --Other functions deal with invert already
 end
 function down()
   verticalMove(inverted and turtle.up or turtle.down, 1, digDown, attackDown)
 end
 
 
 function right(num)
   num = num or 1
   for i=1, num do
     facing = coterminal(facing+1)
     saveProgress()
     if not goLeftNotRight then turtle.turnRight() --Normally
     else turtle.turnLeft() end --Left Quarry
   end
 end
 function left(num)
   num = num or 1
   for i=1, num do
   facing = coterminal(facing-1)
   saveProgress()
   if not goLeftNotRight then turtle.turnLeft() --Normally
   else turtle.turnRight() end --Left Quarry
 end
 end
 
 function attack(doAdd, func)
   doAdd = doAdd or true
   func = func or turtle.attack
   if func() then
     if doAdd then
       attacked = attacked + 1
     end
     return true
   end
   return false
 end
 function attackUp(doAdd)
   if inverted then
     return attack(doAdd, turtle.attackDown)
   else
     return attack(doAdd, turtle.attackUp)
   end
 end
 function attackDown(doAdd)
   if inverted then
     return attack(doAdd, turtle.attackUp)
   else
     return attack(doAdd, turtle.attackDown)
   end
 end
 
 function detect(func)
   func = func or turtle.detect
   return func()
 end
 function detectUp(ignoreInvert)
   if inverted and not ignoreInvert then return detect(turtle.detectDown)
   else return detect(turtle.detectUp) end
 end
 function detectDown(ignoreInvert)
   if inverted and not ignoreInvert then return detect(turtle.detectUp)
   else return detect(turtle.detectDown) end
 end
 
 
 
 function mine(doDigDown, doDigUp, outOfPath,doCheckInv) -- Basic Move Forward
   if doCheckInv == nil then doCheckInv = true end
   if doDigDown == nil then doDigDown = true end
   if doDigUp == nil then doDigUp = true end
   if outOfPath == nil then outOfPath = false end
   isInPath = (not outOfPath) --For rednet
   if not outOfPath and (checkFuel() <= xPos + zPos + yPos + 5) then --If the turtle can just barely get back to the start, we need to get it there. We don't want this to activate coming back though...
     local continueEvac = false --It will be set true unless at start
     if xPos ~= 0 then
       continueEvac = emergencyRefuel() --This is a huge list of things to do in an emergency
     end
     if continueEvac then
       eventClear() --Clear any annoying events for evac
       local currPos = yPos
       endingProcedure() --End the program
       print("Turtle ran low on fuel so was brought back to start for you :)\n\nTo resume where you left off, use '-startDown "..tostring(currPos-1).."' when you start")
       error("",0)
     end
   end
   if frontChest and not outOfPath then
     if turtle.inspect then
       local check, data = turtle.inspect()
       if check and data.name == chestID then
         emptyChest("front")
       end
     else
       local flag = false
       select(specialSlots.compareChest)
       if turtle.compare() then flag = true end
       select(1)
       if flag then
         emptyChest("front")
       end
     end
   end
 
   local count = 0
   if not outOfPath then dig() end  --This speeds up the quarry by a decent amount if there are more mineable blocks than air
   while not forward(not outOfPath) do
     sleep(0) --Calls coroutine.yield to prevent errors
     count = count + 1
     if not dig() then
       attack()
     end
     if count > 10 then
       attack()
       sleep(0.2)
     end
     if count > maxTries then
       if checkFuel() == 0 then --Don't worry about inf fuel because I modified this function
         saveProgress({doCheckFuel = true, doRefuel = true}) --This is emergency because this should never really happen.
         os.reboot()
       elseif yPos > (startY-7) and turtle.detect() then --If it is near bedrock
         bedrock()
       else --Otherwise just sleep for a bit to avoid sheeps
         sleep(1)
       end
     end
   end
   checkSanity() --Not kidding... This is necessary
   saveProgress(tab)
 
   if not oldOreQuarry then
     if doDigUp then--The digging up and down part
       sleep(0) --Calls coroutine.yield
       if not digUp(true) and detectUp() then --This is relative: will dig down first on invert
         if not attackUp() then
           if yPos > (startY-7) then bedrock() end --Checking for bedrock, but respecting user wishes
         end
       end
     end
     if doDigDown then
      digDown(true) --This needs to be absolute as well
     end
   else --If oldQuarry
     smartDig(doDigUp,doDigDown)
   end
   percent = math.ceil(moved/moveVolume*100)
   updateDisplay()
   if doCheckInv and careAboutResources then
     if isFull(inventoryMax-keepOpen) then
       if not ((oreQuarry or oldOreQuarry) and dumpCompareItems) then
         dropOff()
       else
         local currInv = getSlotsTable()
         drop(nil, false, true) --This also takes care of counting.
         if #getChangedSlots(currInv, getSlotsTable()) <= 2 then --This is so if the inventory is full of useful stuff, it still has to drop it
           dropOff()
         end
       end
     end
   end
   biometrics()
 end
 --Insanity Checking
 function checkSanity()
   if not isInPath then --I don't really care if its not in the path.
     return true
   end
   if not (facing == 0 or facing == 2) and #events == 0 then --If mining and not facing proper direction and not in a turn
     turnTo(0)
     rowCheck = true
   end
   if xPos < 0 or xPos > x or zPos < 0 or zPos > z or yPos < 0 then
     saveProgress()
     print("I have gone outside boundaries, attempting to fix (maybe)")
     if xPos > x then goto(x, zPos, yPos, 2) end --I could do this with some fancy math, but this is much easier
     if xPos < 0 then goto(1, zPos, yPos, 0) end
     if zPos > z then goto(xPos, z, yPos, 3) end
     if zPos < 0 then goto(xPos, 1, yPos, 1) end
     relxCalc() --Get relxPos properly
     eventClear()
 
     --[[
     print("Oops. Detected that quarry was outside of predefined boundaries.")
     print("Please go to my forum thread and report this with a short description of what happened")
     print("If you could also run \"pastebin put Civil_Quarry_Restore\" and give me that code it would be great")
     error("",0)]]
   end
 end
 
 local function fromBoolean(input) --Like a calculator
 if input then return 1 end
 return 0
 end
 local function multBoolean(first,second) --Boolean multiplication
 return (fromBoolean(first) * fromBoolean(second)) == 1
 end
 function coterminal(num, limit) --I knew this would come in handy :D
 limit = limit or 4 --This is for facing
 return math.abs((limit*fromBoolean(num < 0))-(math.abs(num)%limit))
 end
 if tArgs["-manualpos"] then
   facing = coterminal(facing) --Done to improve support for "-manualPos"
   if facing == 0 then rowCheck = true elseif facing == 2 then rowCheck = false end --Ditto
   relxCalc() --Ditto
 end
 
 --Direction: Front = 0, Right = 1, Back = 2, Left = 3
 function turnTo(num)
   num = num or facing
   num = coterminal(num) --Prevent errors
   local turnRight = true
   if facing-num == 1 or facing-num == -3 then turnRight = false end --0 - 1 = -3, 1 - 0 = 1, 2 - 1 = 1
   while facing ~= num do          --The above is used to smartly turn
     if turnRight then
       right()
     else
       left()
     end
   end
 end
 function goto(x,z,y, toFace, destination)
   --Will first go to desired z pos, then x pos, y pos varies
   x = x or 1; y = y or 1; z = z or 1; toFace = toFace or facing
   gotoDest = destination or "" --This is used by biometrics.
   statusString = "Going to ".. (destination or "somewhere")
   --Possible destinations: layerStart, quarryStart
   if yPos > y then --Will go up first if below position
     while yPos~=y do up() end
   end
   if zPos > z then
     turnTo(3)
   elseif zPos < z then
     turnTo(1)
   end
   while zPos ~= z do mine(false,false,true,false) end
   if xPos > x then
     turnTo(2)
   elseif xPos < x then
     turnTo(0)
   end
   while xPos ~= x do mine(false,false,true,false) end
   if yPos < y then --Will go down after if above position
     while yPos~=y do down() end
   end
   turnTo(toFace)
   saveProgress()
   gotoDest = ""
   statusString = nil
 end
 function getNumOpenSlots()
   local toRet = 0
   for i=1, inventoryMax do
     if turtle.getItemCount(i) == 0 then
       toRet = toRet + 1
     end
   end
   return toRet
 end
 function emptyChest(suckDirection)
   eventAdd("emptyChest",suckDirection)
   eventSetInsertionPoint(2) --Because dropOff adds events we want to run first
   local suckFunc
   if suckDirection == "up" then
     suckFunc = turtle.suckUp
   elseif suckDirection == "down" then
     suckFunc = turtle.suckDown
   else
     suckFunc = turtle.suck
   end
   repeat
     if inventoryMax - countUsedSlots() <= 0 then --If there are no slots open, need to empty
       dropOff()
     end
   until not suckFunc()
   eventClear()
   eventSetInsertionPoint()
 end
 
 --Ideas: Bring in inventory change-checking functions, count blocks that have been put in, so it will wait until all blocks have been put in.
 local function waitDrop(slot, allowed, whereDrop) --This will just drop, but wait if it can't
   allowed = allowed or 0
   while turtle.getItemCount(slot) > allowed do --No more half items stuck in slot!
     local tries = 1
     while not whereDrop(turtle.getItemCount(slot)-allowed) do --Drop off only the amount needed
       screen(1,1)
       print("Chest Full, Try "..tries)
       chestFull = true
       biometrics()--To send that the chest is full
       tries = tries + 1
       sleep(2)
     end
     chestFull = false
   end
 end
 
 function midRunRefuel(i, allowed)
   allowed = allowed or allowedItems[i]
   local numToRefuel = turtle.getItemCount(i)-allowed
   if checkFuel() >= checkFuelLimit() then return true end --If it doesn't need fuel, then signal to not take more
   local firstCheck = checkFuel()
   if numToRefuel > 0 then turtle.refuel(1)  --This is so we can see how many fuel we need.
     else return false end --Bandaid solution: If won't refuel, don't try.
   local singleFuel
   if checkFuel() - firstCheck > 0 then singleFuel = checkFuel() - firstCheck else singleFuel = math.huge end --If fuel is 0, we want it to be huge so the below will result in 0 being taken
   --Refuel      The lesser of   max allowable or         remaining fuel space         /    either inf or a single fuel (which can be 0)
   turtle.refuel(math.min(numToRefuel-1, math.ceil((checkFuelLimit()-checkFuel()) / singleFuel))) --The refueling part of the the doRefuel option
   if checkFuel() >= checkFuelLimit() then return true end --Do not need any more fuel
   return false --Turtle can still be fueled
 end
 
 function enderRefuel() --Assumes a) An enderchest is in front of it b) It needs fuel
   local slot
   for a,b in ipairs(getSlotsTable()) do
     if b == 0 then slot = a; break end
   end
   if not slot then return false end --No room for fueling
   select(slot)
   repeat
     print("Required Fuel: ",checkFuelLimit())
     print("Current Fuel: ",checkFuel())
     local tries = 0
     while not turtle.suck() do
       sleep(1)
       statusString = "No Fuel in Ender Chest"
       biometrics() --Let user know that fuel chest is empty
       print(statusString,". Try: ",tries)
       tries = tries + 1
     end
     statusString = nil
   until midRunRefuel(slot, 0) --Returns true when should not refuel any more
   if not turtle.drop() then turtle.dropDown() end --If cannot put fuel back, just drop it, full fuel chest = user has too much fuel already
   return true -- :D
 end
 
 
 function drop(side, final, compareDump)
   side = sides[side] or "front"
   turnTo(2) --Ensure it is facing the proper direction when starting dropping
   local dropFunc, detectFunc, dropFacing = turtle.drop, turtle.detect, facing+2
   if side == "top" then dropFunc, detectFunc = turtle.dropUp, turtle.detectUp end
   if side == "bottom" then dropFunc, detectFunc = turtle.dropDown, turtle.detectDown end
   if side == "right" then turnTo(1); dropFacing = 0 end
   if side == "left" then turnTo(3); dropFacing = 0 end
   local properFacing = facing --Capture the proper direction to be facing
 
   count(true) --Count number of items before drop. True means add. This is before chest detect, because could be final
 
   while not compareDump and not detectFunc() do
     if final then return end --If final, we don't need a chest to be placed, but there can be
     chestFull = true
     biometrics() --Let the user know there is a problem with chest
     screen(1,1) --Clear screen
     print("Waiting for chest placement on ",side," side (when facing quarry)")
     sleep(2)
   end
   chestFull = false
 
   local fuelSwitch = false --If doRefuel, this can switch so it won't overfuel
   for i=1,inventoryMax do
     --if final then allowedItems[i] = 0 end --0 items allowed in all slots if final ----It is already set to 1, so just remove comment if want change
     if turtle.getItemCount(i) > 0 then --Saves time, stops bugs
       if slot[i][1] == 1 and dumpCompareItems then turnTo(dropFacing) --Turn around to drop junk, not store it. dumpComapareItems is global config
       else turnTo(properFacing) --Turn back to proper position... or do nothing if already there
       end
       select(i)
       if slot[i][1] == 2 then --Intelligently refuels to fuel limit
         if doRefuel and not fuelSwitch then --Not in the conditional because we don't want to waitDrop excess fuel. Not a break so we can drop junk
           fuelSwitch = midRunRefuel(i)
         else
           waitDrop(i, allowedItems[i], dropFunc)
         end
         if fuelSwitch then
           waitDrop(i, allowedItems[i], dropFunc)
         end
       elseif not compareDump or (compareDump and slot[i][1] == 1) then --This stops all wanted items from being dropped off in a compareDump
         waitDrop(i, allowedItems[i], dropFunc)
       end
     end
   end
 
   if compareDump then
     for i=2, inventoryMax do
       if not specialSlots[i] then --We don't want to move buckets and things into earlier slots
         select(i)
         for j=1, i-1 do
           if turtle.getItemCount(i) == 0 then break end
           turtle.transferTo(j)
         end
       end
     end
     select(1)
   end
   if oldOreQuarry or compareDump then count(nil) end--Subtract the items still there if oreQuarry
   resetDumpSlots() --So that slots gone aren't counted as dump slots next
 
   select(1) --For fanciness sake
 
 end
 
 --Note: This is recommended to be used with "excessFuelAmount" option
 function basicFuelChestRefuel()
   side = basicFuelChest --This variable is a side
   local dropFunc, suckFunc, detectFunc = turtle.drop, turtle.suck, turtle.detect
   if side == "top" then dropFunc, suckFunc, detectFunc = turtle.dropUp, turtle.suckUp, turtle.detectUp end
   if side == "bottom" then dropFunc, suckFunc, detectFunc = turtle.dropDown, turtle.suckDown, turtle.detectDown end
   if side == "right" then turnTo(1)end
   if side == "left" then turnTo(3)end
 
   while not detectFunc() do
     chestFull = true
     biometrics() --Let the user know there is a problem with chest
     screen(1,1) --Clear screen
     print("Waiting for chest placement on ",side," side (when facing quarry)")
     sleep(2)
   end
   chestFull = false
 
   local fuelSwitch = false
   select(1) --Get the first slot
   while not fuelSwitch do --While not satisfied with fuel
     screen(1,1)
     print("Current Fuel: " .. tostring(checkFuel())) --In case of empty, print before
     print("Needed Fuel:  " .. tostring(checkFuelLimit()))
     if not suckFunc() then --Kind of copied the above
       chestFull = true
       biometrics() --Let the user know there is a problem with chest
       print("Fuel chest is out of fuel! Please resolve this")
       sleep(2)
     end
     chestFull = false
 
     fuelSwitch = midRunRefuel(1) --Then refuel from the first slot
   end
 
   dropFunc() --Drop remaining fuel back in the chest (or keep it if chest is full, that's cool)
 end
 
 function dropOff() --Not local because called in mine()
   local currX,currZ,currY,currFacing = xPos, zPos, yPos, facing
   if careAboutResources then
     if not enderChest then --Regularly
       eventAdd("goto", 1,1,currY,2, "drop off") --Need this step for "-startDown"
       eventAdd('goto(0,1,1,2,"drop off")')
       eventAdd("drop", dropSide,false)
       eventAdd("turnTo(0)")
       eventAdd("mine",false,false,true,false)
       eventAdd("goto(1,1,1, 0)")
       eventAdd("goto", 1, 1, currY, 0)
       eventAdd("goto", currX,currZ,currY,currFacing)
     else --If using an enderChest
       if turtle.getItemCount(specialSlots.enderChest) ~= 1 then eventAdd("promptSpecialSlot('enderChest','Ender Chest')") end
       eventAdd("turnTo",currFacing-2)
       eventAdd("dig",false)
       eventAdd("select",specialSlots.enderChest)
       eventAdd("turtle.place")
       eventAdd("drop","front",false)
       eventAdd("turnTo",currFacing-2)
       eventAdd("select", specialSlots.enderChest)
       eventAdd("dig",false)
       eventAdd("turnTo",currFacing)
       eventAdd("select(1)")
     end
     runAllEvents()
     numDropOffs = numDropOffs + 1 --Analytics tracking
   end
   return true
 end
 function endingProcedure() --Used both at the end and in "biometrics"
   eventAdd("goto",1,1,yPos,2,"quarryStart") --Allows for startDown variable
   eventAdd("goto",0,1,1,2, "quarryStart") --Go back to base
   runAllEvents()
   --Output to a chest or sit there
   if enderChest then
     if dropSide == "right" then eventAdd("turnTo(1)") end --Turn to proper drop side
     if dropSide == "left" then eventAdd("turnTo(3)") end
     eventAdd("dig(false)") --This gets rid of a block in front of the turtle.
     eventAdd("select",specialSlots.enderChest)
     eventAdd("turtle.place")
     eventAdd("select(1)")
   end
   eventAdd("drop",dropSide, true)
   eventAdd("turnTo(0)")
 
   --Display was moved above to be used in bedrock function
   eventAdd("display")
   --Log current mining run
   eventAdd("logMiningRun",logExtension)
   toQuit = true --I'll use this flag to clean up (legacy)
   runAllEvents()
 end
 function bedrock()
   foundBedrock = true --Let everyone know
   if rednetEnabled then biometrics() end
   if checkFuel() == 0 then error("No Fuel",0) end
   local origin = {x = xPos, y = yPos, z = zPos}
   print("Bedrock Detected")
   if turtle.detectUp() and not turtle.digUp() then
     print("Block Above")
     turnTo(facing+2)
     repeat
       if not forward(false) then --Tries to go back out the way it came
         if not attck() then --Just making sure not mob-blocked
           if not dig() then --Now we know its bedrock
             turnTo(facing+1) --Try going a different direction
           end
         end
       end
     until not turtle.detectUp() or turtle.digUp() --These should be absolute and we don't care about about counting resources here.
   end
   up() --Go up two to avoid any bedrock.
   up()
   eventClear() --Get rid of any excess events that may be run. Don't want that.
   endingProcedure()
   print("\nFound bedrock at these coordinates: ")
   print(origin.x," Was position in row\n",origin.z," Was row in layer\n",origin.y," Blocks down from start")
   error("",0)
 end
 
 function endOfRowTurn(startZ, wasFacing, mineFunctionTable)
 local halfFacing = ((layersDone % 2 == 1) and 1) or 3
 local toFace = coterminal(wasFacing + 2) --Opposite side
 if zPos == startZ then
   if facing ~= halfFacing then turnTo(halfFacing) end
   mine(unpack(mineFunctionTable or {}))
 end
 if facing ~= toFace then
   turnTo(toFace)
 end
 end
 
 
 -------------------------------------------------------------------------------------
 --Pre-Mining Stuff dealing with session persistence
 runAllEvents()
 if toQuit then error("",0) end --This means that it was stopped coming for its last drop
 
 local doDigDown, doDigUp = (lastHeight ~= 1), (lastHeight == 0) --Used in lastHeight
 if not restoreFoundSwitch then --Regularly
   --Check if it is a mining turtle
   if not isMiningTurtle then
     local a, b = turtle.dig()
     if a then
       mined = mined + 1
       isMiningTurtle = true
     elseif b == "Nothing to dig with" or b == "No tool to dig with" then
       print("This is not a mining turtle. To make a mining turtle, craft me together with a diamond pickaxe")
       error("",0)
     end
   end
 
   if checkFuel() == 0 then --Some people forget to start their turtles with fuel
     screen(1,1)
     print("I have no fuel and doCheckFuel is off!")
     print("Starting emergency fueling procedures!\n")
     emergencyRefuel()
     if checkFuel() == 0 then
       print("I have no fuel and can't get more!")
       print("Try using -doRefuel or -fuelChest")
       print("I have no choice but to quit.")
       error("",0)
     end
   end
 
   mine(false,false,true) --Get into quarry by going forward one
   if gpsEnabled and not restoreFoundSwitch then --The initial locate is done in the arguments. This is so I can figure out what quadrant the turtle is in.
     gpsSecondPos = {gps.locate(gpsTimeout)} --Note: Does not run this if it has already been restarted.
   end
   for i = 1, startDown do
     eventAdd("down") --Add a bunch of down events to get to where it needs to be.
   end
   runAllEvents()
   if flatBedrock then
     while (detectDown() and digDown(false, true)) or not detectDown() do --None of these functions are non-invert protected because inverse always false here
       down()
       startDown = startDown + 1
     end
     startDown = startDown - y + 1
     for i=1, y-2 do
       up() --It has hit bedrock, now go back up for proper 3 wide mining
     end
   elseif not(y == 1 or y == 2) then
     down() --Go down to align properly. If y is one or two, it doesn't need to do this.
   end
 else --restore found
   if not(layersDone == layers and not doDigDown) then digDown() end
   if not(layersDone == layers and not doDigUp) then digUp() end  --Get blocks missed before stopped
 end
 --Mining Loops--------------------------------------------------------------------------
 select(1)
 while layersDone <= layers do -------------Height---------
 local lastLayer = layersDone == layers --If this is the last layer
 local secondToLastLayer = (layersDone + 1) == layers --This is a check for going down at the end of a layer.
 moved = moved + 1 --To account for the first position in row as "moved"
 if not(layersDone == layers and not doDigDown) then digDown() end --This is because it doesn't mine first block in layer
 if not restoreFoundSwitch and layersDone % 2 == 1 then rowCheck = true end
 relxCalc()
 while relzPos <= z do -------------Width----------
 while relxPos < x do ------------Length---------
 mine(not lastLayer or (doDigDown and lastLayer), not lastLayer or (doDigUp and lastLayer)) --This will be the idiom that I use for the mine function
 end ---------------Length End-------
 if relzPos ~= z then --If not on last row of section
   local func
   if rowCheck == true then --Switching to next row
   func = "right"; rowCheck = false; else func = false; rowCheck = true end --Which way to turn
     eventAdd("endOfRowTurn", zPos, facing , {not lastLayer or (doDigDown and lastLayer), not lastLayer or (doDigUp and lastLayer)}) --The table is passed to the mine function
     runAllEvents()
 else break
 end
 end ---------------Width End--------
 if layersDone % 2 == 0 then --Will only go back to start on non-even layers
   eventAdd("goto",1,1,yPos,0, "layerStart") --Goto start of layer
 else
   eventAdd("turnTo",coterminal(facing-2))
 end
 if not lastLayer then --If there is another layer
   for i=1, 2+fromBoolean(not(lastHeight~=0 and secondToLastLayer)) do eventAdd("down()") end --The fromBoolean stuff means that if lastheight is 1 and last and layer, will only go down two
 end
 eventAdd("relxCalc")
 layersDone = layersDone + 1
 restoreFoundSwitch = false --This is done so that rowCheck works properly upon restore
 runAllEvents()
 end ---------------Height End-------
 
 endingProcedure() --This takes care of getting to start, dropping in chest, and displaying ending screen