skywrite

--Program by Lion4ever
local args={...}
function Usage()
print("Usage: skywrite <text> <x> <y> <z>")
print("<x> is the offset forward, <y> is up and")
print("<z> is to its right (x,y,z are optional)")
print("to remove a text: send an empty turtle")
print("use '&' instead of space")
print("slot 1&2 are for letters, 3&4 for background")
end
function pixel(y,z)
if turtle.detect() then
turtle.select(5)
turtle.dig()
end
p=tonumber(string.sub(m,a[y]*15+z,a[y]*15+z))
if turtle.getItemCount(p)==0 then
p=p+1
end
if turtle.getItemCount(p)~=0 then
turtle.select(p)
turtle.place()
end
turtle.select(5)
end
if #args>4 or #args<1 then
Usage()
return
end
a={}
for i=1,#args[1] do
a[i]=string.byte(string.upper(args[1]),i)-32
if a[i]<1 or a[i]==64 or a[i]>93 or a[i]==3 or a[i]==4 or a[i]==32 then
error(string.format("'%s' can not be printed!",string.sub(args[1],i,i)))
end
if a[i]==91 then
a[i]=3
end
if a[i]==92 then
a[i]=32
end
if a[i]==93 then
a[i]=4
end
end
m="333331113133333333113333333311331331131113331133311131133133113313313313311333333333333333333331133333333333333111313331133313111333333313133313331313331333111333133333333331133333331333313333133333333333133333113333111333311311131333131113333333133311111111311313113111131311313111111331113313311111131111313111131111111313111131113311313333311111111313111111131111313111111333333131333333333333131133333331333131313331313133131331313133313131333133333131331133113333331131133333111131313311113111111313131313311131333113331111111333131113111111313113331111111313333331311131333111331111113313311111333331111133333313311333131111111113131313331111113333113333111113133311111111111333311111111111333111111111111313333111311131331111113111111313311313131111313111131333311111133331111113333111111311113333131111111113331311111113113313311311333113311133311113311313113311333331111113331333113111311333133311111133333333131333333313133333333113333"
local j=0
local p=0
for q=1,#a do
for i=-14,0 do
if tonumber(string.sub(m,a[q]*15+i,a[q]*15+i))==1 then
j=j+1
else
p=p+1
end
end
end
print(string.format("You need %i letter- and %i backgroundblocks",j,p))
print("starting to build...")
while j<=128 and turtle.getItemCount(1)+turtle.getItemCount(2)>0 and turtle.getItemCount(1)+turtle.getItemCount(2)<j do
x,xy=term.getCursorPos()
xy=xy-1
term.setCursorPos(1,xy)
print(string.format("%i of %i materials... Insert more!",turtle.getItemCount(1)+turtle.getItemCount(2),j))
sleep(1)
end
while p<=128 and turtle.getItemCount(3)+turtle.getItemCount(4)>0 and turtle.getItemCount(3)+turtle.getItemCount(4)<p do
x,y=term.getCursorPos()
y=y-1
term.setCursorPos(1,y)
print(string.format("%i of %i materials... Insert more!",turtle.getItemCount(3)+turtle.getItemCount(4),p))
sleep(1)
end
for i=2,4 do
if tonumber(args[i])==nil then
args[i]=0
end
end
for i=1,tonumber(args[3]) do
repeat
turtle.digUp()
until turtle.up()
end
for i=tonumber(args[3]),-1 do
repeat
turtle.digDown()
until turtle.down()
end
for i=1,tonumber(args[2]) do
repeat
turtle.dig()
until turtle.forward()
end
if tonumber(args[2])<0 then
turtle.turnLeft()
turtle.turnLeft()
for i=tonumber(args[2]),-1 do
repeat
turtle.dig()
until turtle.forward()
end
turtle.turnLeft()
turtle.turnLeft()
end
if tonumber(args[4])<0 then
turtle.turnLeft()
for i=tonumber(args[4]),-1 do
repeat
turtle.dig()
until turtle.forward()
end
turtle.turnRight()
end
if tonumber(args[4])>0 then
turtle.turnRight()
for i=1,tonumber(args[4]) do
repeat
turtle.dig()
until turtle.forward()
end
turtle.turnLeft()
end
for j=1,#a do
for i=-14,-11 do
pixel(j,i)
repeat
turtle.digUp()
until turtle.up()
end
pixel(j,-10)
turtle.turnRight()
repeat
turtle.dig()
until turtle.forward()
turtle.turnLeft()
for i=-9,-6 do
pixel(j,i)
repeat
turtle.digDown()
until turtle.down()
end
pixel(j,-5)
turtle.turnRight()
repeat
turtle.dig()
until turtle.forward()
turtle.turnLeft()
for i=-4,-1 do
pixel(j,i)
repeat
turtle.digUp()
until turtle.up()
end
pixel(j,0)
turtle.turnRight()
repeat
turtle.dig()
until turtle.forward()
turtle.turnLeft()
for i=1,4 do
turtle.select(5)
turtle.dig()
turtle.digDown()
p=3
if turtle.getItemCount(p)==0 then
p=p+1
end
if turtle.getItemCount(p)~=0 then
turtle.select(p)
turtle.place()
end
repeat
until turtle.down()
end
turtle.select(5)
turtle.dig()
p=3
if turtle.getItemCount(p)==0 then
p=p+1
end
if turtle.getItemCount(p)~=0 then
turtle.select(p)
turtle.place()
end
turtle.select(5)
turtle.turnRight()
repeat
turtle.dig()
until turtle.forward()
turtle.turnLeft()
end
turtle.turnLeft()
for i=1,4*#a do
repeat
until turtle.forward()
end
turtle.turnRight()
for i=2,4 do
args[i]=-tonumber(args[i])
end
for i=1,tonumber(args[2]) do
repeat
turtle.dig()
until turtle.forward()
end
if tonumber(args[2])<0 then
turtle.turnLeft()
turtle.turnLeft()
for i=tonumber(args[2]),-1 do
repeat
turtle.dig()
until turtle.forward()
end
turtle.turnLeft()
turtle.turnLeft()
end
if tonumber(args[4])<0 then
turtle.turnLeft()
for i=tonumber(args[4]),-1 do
repeat
turtle.dig()
until turtle.forward()
end
turtle.turnRight()
end
if tonumber(args[4])>0 then
turtle.turnRight()
for i=1,tonumber(args[4]) do
repeat
turtle.dig()
until turtle.forward()
end
turtle.turnLeft()
end
for i=1,tonumber(args[3]) do
repeat
turtle.digUp()
until turtle.up()
end
for i=tonumber(args[3]),-1 do
repeat
turtle.digDown()
until turtle.down()
end
a=nil
m=nil