build

function instructions()
--here are the instructions for the program.
print "please place 1 of the material you want the floor made from in slot 13"
print "please place 1 of the item you want the walls made out of in slot 14"
print "please place 1 of the item you want to make the roof our of in slot 15"
print "please place fuel in slot 16"
end
-- investigate ways to shrink this code
-- this is my function to compair the
-- items in the first 12 slots of the turtle
-- capable of compairing to any slot in the turtle
-- need to make a check to make sure it
-- is not compairing to itself.
function comp(t)
   turtle.select(1)
  if turtle.compareTo(t) == true
   then s = 1
   return s
   else turtle.select(2)
  end
  if turtle.compareTo(t) == true
   then s = 2
   return s
   else turtle.select(3)
  end
  if turtle.compareTo(t) == true
   then s = 3
   return s
   else turtle.select(4)
  end
  if turtle.compareTo(t) == true
   then s = 4
   return s
   else turtle.select(5)
  end
  if turtle.compareTo(t) == true
   then s = 5
   return s
   else turtle.select(6)
  end
  if turtle.compareTo(t) == true
   then s = 6
   return s
   else turtle.select(7)
  end
  if turtle.compareTo(t) == true
   then s = 7
   return s
   else turtle.select(8)
  end
  if turtle.compareTo(t) == true
   then s = 8
   return s
   else turtle.select(9)
  end
  if turtle.compareTo(t) == true
   then s = 9
   return s
   else turtle.select(10)
  end
  if turtle.compareTo(t) == true
   then s = 10
   return s
   else turtle.select(11)
  end
  if turtle.compareTo(t) == true
   then s = 11
   return s
   else turtle.select(12)
  end
  if turtle.compareTo(t)
   then s = 12
   return s
   else print "no valid materials"
  end
end
--this function allows for the choosing
-- of the dimensions of the building
function getDim(x,y,z)
print "please enter desired length:"
 l = io.read()
 print "please enter desired width:"
 w = io.read()
 print "please enter desired height:"
 h = io.read()
 print (l..w..h)
 return l, w, h
 end
--floor building function
function floor(x,t,c )
t = 13
comp(t,c)
c = s
for i = 1, x do
 turtle.digDown()
 turtle.placeDown()
 if turtle.getItemCount(c) == 0
  then comp(t,c)
  c = s
 end
 forward()
end
for i = 1, x do
 turtle.back()
 end
 turtle.turnRight()
 forward()
 turtle.turnLeft()
 fuel(c)
end
--wall building function
function walls(x,y,t,c)
t = 14
comp(t,c)
c = s
turtle.placeDown()
for k = 1 , x-1
 do forward()
  turtle.placeDown()
  if turtle.getItemCount(c) == 0
   then comp(t,c)
   c = s
  end
  fuel(c)
 end
 turtle.turnRight()
 forward()
 for i = 1 , y-2
  do if turtle.getItemCount(c) == 0
  then comp(t,c)
  c = s
  end
  turtle.placeDown()
  forward()
 end
 fuel(c)
 turtle.turnRight()
end

-- this is the function to make the roof
function roof(x,y,t,c)
 t = 15
 comp(t,c)
 c = s
 turtle.forward()
 turtle.turnRight()
 turtle.forward()
 turtle.down()
 for i = 1 , x-2
  do for j = 1, y-2
   do if turtle.getItemCount(c) == 0
        then
        comp(t,c)
        c = s
        end
       turtle.placeDown()
       turtle.forward()
   end
    for k= 1, y-2
     do turtle.back()
    end
    turtle.turnLeft()
    forward()
    turtle.turnRight()
  end
end

-- refueling function
function fuel(c)
if turtle.getFuelLevel() <=500
 then turtle.select(16)
 turtle.refuel(2)
 print(turtle.getFuelLevel())
 turtle.select(c)
 end
end
-- functions included to reduce lines of code
-- and to allow for a stuck check
function forward()
 if turtle.forward() ~= true
  then turtle.dig() turtle.forward()
 end
end
function up()
 if turtle.up() ~= true
  then turtle.digup()
     turtle.up()
     fuel(c)
  else fuel(c)
 end
end

-- main program
local x, y, z, t, c
instructions()
--sleep(7)
getDim()
x = l
y = w
z = h
print (x..y..z)
for j= 1, y do
 floor(x,t,c)
end
turtle.turnLeft()
for j= 1, y do
forward()
end
turtle.turnRight()
up()
for l= 1 , z
 do
   for m = 1 , 2
    do
  walls(x,y,t,c)
 end
 up()
end
roof(x,y,t,c)
 turtle.turnRight()
 for i = 1 , x
 forward()
 end
 turtle.turnRight()
 forward()
 turtle.turnLeft()
 for j = 1 . z
 do turtle.down
 end