View difference between Paste ID: aDYnkHGx and Piq0a4T2

 local homeX, homeY, homeZ -- Coordinates of turtle home station
 homeX = 420
 homeY = 65
 homeZ = -104
 local heightMod = 0
 local direction
 local timeout = 5 -- The timeout of the gps
 local safeHeight = 35 --The height that is safe to dig at
-function inAllowedBlock(block)
+
-    local allowed = {"minecraft:dirt", "minecraft:cobblestone", "minecraft:stone", "minecraft:sand", "minecraft:sandstone", "minecraft:clay", "minecraft:gravel", "minecraft:yellow_flower", "minecraft:red_flower", "minecraft:granite", "minecraft:wood", "minecraft:double_plant", "minecraft:leaves", "minecraft:moss_stone", "minecraft:grass"}
+function isAllowedBlock(block)
-    for i = 1, #allowed do
+    local allowed = {"minecraft:dirt", "minecraft:cobblestone", "minecraft:stone", "minecraft:sand", "minecraft:sandstone", "minecraft:clay", "minecraft:gravel", "minecraft:yellow_flower", "minecraft:red_flower", "minecraft:granite", "minecraft:log", "minecraft:planks", "minecraft:double_plant", "minecraft:leaves", "minecraft:moss_stone", "minecraft:grass", "minecraft:andesite", "minecraft:diorite"}
-        if(allowed[i-1]==block) then return true end
+    for i = 0, #allowed do
         if(allowed[i]==block) then return true end
     end
     return false
 end
 
 function go(dist, dig)
     dig = (dig == true)
     dist = dist or 1
     if(dist <= 0) then return end
     for i = 1, dist do
         while(not turtle.forward()) do
             turtle.attack()
             if(turtle.detect()) then
                 local succ, block = turtle.inspect()
                 if(isAllowedBlock(block.name) or dig) then
                     turtle.dig()
                 else
                     local x,y,z = gps.locate(timeout, true)
                     if(safeHeight<y) then
                         goDown(y-safeHeight)
                         turtle.dig()
                     else
                         turtle.dig()
                     end
                 end
             end
         end
     end
 end
 
 function goDown(dist, dig)
     dig = true -- Until I find a way to make sure it does go home if it can't go down
     dist = dist or 1
     if(dist<=0) then return end
     for i = 1, dist do
         while(not turtle.down()) do
-            if(dig) then
+
 			local succ, block = turtle.inspectDown()
             if(isAllowedBlock(block.name) or dig) then
                 turtle.digDown()
             else
                 return false
             end
         end
 		heightMod = heightMod-1
 		print(heightMod)
     end
 end
 
 function goUp(dist)
     dist = dist or 1
     if(dist<=0)then return end
     for i = 1, dist do
         while(not turtle.up()) do
             turtle.up()
             turtle.digUp()
         end
     end
 	heightMod = heightMod+1
 	print(heightMod)
 end
 
 function getDirection(dig, times)
     dig = dig ~= false
     times = times or 1
     local loc1 = vector.new(gps.locate(timeout, false))
     if(not turtle.forward()) then
         if(turtle.detect()) then
             local succ, block = turtle.inspect()
             if(isAllowedBlock(block.name) or dig) then
                 turtle.dig()
                 turtle.forward()
             else
                 if(times<4) then
                     turnLeft(false)
                     local tmp = getDirection(dig, times+1)
                     turnRight(false)
                     return (tmp+1)%4
                 end
                 return false
             end
         end
     end
     local loc2 = vector.new(gps.locate(timeout, false))
     heading = loc2-loc1
     if(not turtle.back()) then
         turtle.turnLeft()
         turtle.turnLeft()
         while(not turtle.forward()) do
             turtle.dig()
             turtle.attack()
         end
         turtle.turnRight()
         turtle.turnRight()
     end
     return ((heading.x + math.abs(heading.x) * 2) + (heading.z + math.abs(heading.z) * 3))-1
 end
 
 function turnLeft(followDir)
     followDir = followDir ~= false
     turtle.turnLeft()
     if(followDir) then
         direction = (direction-1)%4
     end
 end
 
 function turnRight(followDir)
     followDir = followDir ~= false
     turtle.turnRight()
     if(followDir) then
         direction = (direction+1)%4
     end
 end
 
 function turnTo(dir)
     if(dir >= 0 and dir <= 3) then
         local turns = (dir-direction)%4
         if    (turns == 1 or turns == -3) then
             turnRight()
         elseif(turns == 2) then
             turnRight()
             turnRight()
         elseif(turns == -1 or turns == 3) then
             turnLeft()
         elseif(turns == -2) then
             turnLeft()
             turnLeft()
         end
     end
     if(dir ~= direction) then
         print((dir-direction)%4)
         print("Problem in turnTo()")
     end
 end
 
 function goHome()
     local x,y,z = gps.locate(5, false)
 
 --    if(y > safeHeight) then
   --      goDown(y-safeHeight)
     --end
     direction = getDirection(y<=safeHeight)
     print("Got direction: "..direction)
     if(x>homeX) then
         turnTo(0)
     elseif(x<homeX) then
         turnTo(2)
     end
     go(math.abs(x-homeX))
-    if(y>homeY) then
+
-        goDown(y-homeY)
+
-    elseif(y<homeY) then
+
-        goUp(homeY-y)
+
     end
     go(math.abs(z-homeZ))
 	print("Moving verticly "..heightMod)
     if(y+heightMod>homeY) then
         goDown(y+heightMod-homeY)
     elseif(y+heightMod<homeY) then
         goUp(homeY-(y+heightMod))
     end
     if(vector.new(x,y,z)-vector.new(homeX,homeY,homeZ) == 0) then
         print("Error in going home equation")
         print("Current position: ("..x..","..y..","..z..")")
     end
 end
 
 os.sleep(3)
 goHome()