12 posts
318 posts
Somewhere on the planet called earth
x, y, z = gps.locate
12 posts
1604 posts
local x, y, z = gps.locate()
print("You are at ", x, ", ", y, ", ", z)
12 posts
gps:69: attempt to compare nil with number
1604 posts
local x, y, z = gps.locate(1) -- 1 second timeout
12 posts
6 posts
local x, y, z = gps.locate(1) -- it needs a timeout in seconds, you can change it to whatever you want
if x and y and z then -- check if it could get the position (when it times out the position is nil)
print(x, ", ", y, ", ", z)
else
print("Couldn't get position")
end
gps locate
--To goto coordinates, use: "goto <x> <y> <z>" or "goto <x> <z>"
--To goto a saved location, use: "goto <location>"
--To add a location to the saved list, use: "goto add <location> <x> <y> <z>"
--To change the locations directory name, change all instances of "locations" to whatever you want to call it (find/replace). Just make sure the directory is in the same place as the program. I may make this easier soon.
args = {...}
if not fs.isDir("locations") then
fs.makeDir("locations")
end
local function getDirection()
local f = 0
local x, y, z = gps.locate(5,false)
y = nil
if args[1] == "special" then
if turtle.detect() then
if not turtle.dig() then
error("Tried to dig bedrock.")
end
end
while not turtle.forward() do
turtle.attack()
end
else
if not turtle.forward() then
error("I am against a wall.")
end
end
local newx, newy, newz = gps.locate(5,false)
newy = nil
turtle.back()
if newz > z then
f = 0
elseif newx < x then
f = 1
elseif newz < z then
f = 2
elseif newx > x then
f = 3
end
return f
end
local function gotox(x,newx,f)
if f == 0 then
turtle.turnRight()
elseif f == 2 then
turtle.turnLeft()
elseif f == 3 then
turtle.turnRight()
turtle.turnRight()
end
if newx < x then
local j = x - newx
for i=1,j do
if args[1] == "special" then
if turtle.detect() then
turtle.dig()
end
while not turtle.forward() do
turtle.attack()
end
else
if not turtle.forward() then
error("Path blocked.")
end
end
end
elseif newx > x then
local j = newx - x
turtle.turnRight()
turtle.turnRight()
for i=1,j do
if args[1] == "special" then
if turtle.detect() then
turtle.dig()
end
while not turtle.forward() do
turtle.attack()
end
else
if not turtle.forward() then
error("Path blocked.")
end
end
end
turtle.turnLeft()
turtle.turnLeft()
end
if f == 0 then
turtle.turnLeft()
elseif f == 2 then
turtle.turnRight()
elseif f == 3 then
turtle.turnLeft()
turtle.turnLeft()
end
end
local function gotoy(y,newy)
if newy > y then
local j = newy - y
for i=1,j do
if args[1] == "special" then
if turtle.detectUp() then
turtle.digUp()
end
while not turtle.up() do
turtle.attackUp()
end
else
if not turtle.up() then
error("Path blocked.")
end
end
end
elseif newy < y then
local j = y - newy
for i=1,j do
if args[1] == "special" then
if turtle.detectDown() then
turtle.digDown()
end
while not turtle.down() do
turtle.attackDown()
end
else
if not turtle.down() then
error("Path blocked.")
end
end
end
end
end
local function gotoz(z,newz,f)
if f == 1 then
turtle.turnLeft()
elseif f == 2 then
turtle.turnLeft()
turtle.turnLeft()
elseif f == 3 then
turtle.turnRight()
end
if newz > z then
local j = newz - z
for i=1,j do
if args[1] == "special" then
if turtle.detect() then
turtle.dig()
end
while not turtle.forward() do
turtle.attack()
end
else
if not turtle.forward() then
error("Path blocked.")
end
end
end
elseif newz < z then
turtle.turnRight()
turtle.turnRight()
local j = z - newz
for i=1,j do
if args[1] == "special" then
if turtle.detect() then
turtle.dig()
end
while not turtle.forward() do
turtle.attack()
end
else
if not turtle.forward() then
error("Path blocked.")
end
end
end
turtle.turnLeft()
turtle.turnLeft()
end
if f == 1 then
turtle.turnRight()
elseif f == 2 then
turtle.turnRight()
turtle.turnRight()
elseif f == 3 then
turtle.turnLeft()
end
end
local function findDistance(x,y,z,newx,newy,newz)
local distance = 0
local xDist = 0
local yDist = 0
local zDist = 0
if x > newx then
xDist = x - newx
elseif x < newx then
xDist = newx - x
end
if y > newy then
yDist = y - newy
elseif x < newx then
yDist = newy - y
end
if z > newz then
zDist = z - newz
elseif z < newz then
zDist = newz - z
end
distance = xDist + yDist + zDist
return distance
end
if args[1] ~= "special" then
rednet.open("right")
end
x, y, z, f, newx, newy, newz, newf = 0, 0, 0, 0, 0, 0, 0, 0
if #args == 1 then
local location = args[1]
if fs.exists("locations/"..location) then
local fLocation = fs.open("locations/"..location,"r")
newx = tonumber(fLocation.readLine())
newy = tonumber(fLocation.readLine())
newz = tonumber(fLocation.readLine())
fLocation.close()
print("Going to "..location.."...")
else
error("Unknown location.")
end
elseif #args == 2 and tonumber(args[1]) and tonumber(args[2]) then
newx, newz = tonumber(args[1]), tonumber(args[2])
print("Going to x: "..newx..", z: "..newz.."...")
elseif #args == 3 and tonumber(args[1]) and tonumber(args[2]) and tonumber(args[3])then
newx, newy, newz = tonumber(args[1]), tonumber(args[2]), tonumber(args[3])
print("Going to x: "..newx..", y: "..newy..", z: "..newz.."...")
elseif #args == 4 and tonumber(args[1]) and tonumber(args[2]) and tonumber(args[3]) and tonumber(args[4]) then
newx, newy, newz, newf = tonumber(args[1]), tonumber(args[2]), tonumber(args[3]), tonumber(args[4])
print("Going to x: "..newx..", y: "..newy..", z: "..newz..", f: "..newf.."...")
elseif #args == 9 and args[1] == "special" and tonumber(args[2]) and tonumber(args[3]) and tonumber(args[4]) and tonumber(args[5]) and tonumber(args[6]) and tonumber(args[6]) and tonumber(args[7]) and tonumber(args[8]) and tonumber(args[9]) then
newx, newy, newz, newf = tonumber(args[2]), tonumber(args[3]), tonumber(args[4]), tonumber(args[5])
x, y, z, f = tonumber(args[6]), tonumber(args[7]), tonumber(args[8]), tonumber(args[9])
elseif #args == 5 and args[1] == "add" and tonumber(args[3]) and tonumber(args[4]) and tonumber(args[5]) then
local location, xname, yname, zname = args[2], args[3], args[4], args[5]
if not fs.exists("locations/"..location) then
local fLocation = fs.open("locations/"..location,"w")
fLocation.writeLine(xname)
fLocation.writeLine(yname)
fLocation.writeLine(zname)
fLocation.close()
print("Location \""..location.."\" added.")
else
print("This location already exists. Would you like to replace it?\n\(y/n\)")
while true do
event, character = os.pullEvent()
if event == "char" and character == "y" then
local fLocation = fs.open("locations/"..location,"w")
fLocation.writeLine(xname)
fLocation.writeLine(yname)
fLocation.writeLine(zname)
fLocation.close()
print("Location changed.")
break
elseif event == "char" and character == "n" then
print("Location not changed.")
break
end
end
end
error()
else
print("To goto coords, use: \"goto <x> <z>\" or \"goto <x> <y> <z>\"")
print("To goto a set location, use: \"goto <name>\"")
print("To set a new location, use: \"goto add <name> <x> <y> <z>\"")
error()
end
if args[1] ~= "special" then
x, y, z = gps.locate(5,false)
end
if not x or not y or not z then
error("Out of GPS range")
end
local distance = findDistance(x,y,z,newx,newy,newz)
local fuelLevel = turtle.getFuelLevel()
if type(fuelLevel) == "string" then
fuelLevel = 9001e9001
end
if distance > fuelLevel then
error("Not enough fuel to travel so far!")
end
if args[1] ~= "special" then
turtle.up()
turtle.up()
turtle.up()
f = getDirection()
end
if newy > y then
gotoy(y,newy)
end
if newx ~= x then
gotox(x,newx,f)
end
if newz ~= z then
gotoz(z,newz,f)
end
if newy < y then
gotoy(y,newy)
end
if newf ~= f then
if f == 1 then
turtle.turnLeft()
elseif f == 2 then
turtle.turnLeft()
turtle.turnLeft()
elseif f == 3 then
turtle.turnRight()
end
if newf == 1 then
turtle.turnRight()
elseif newf == 2 then
turtle.turnLeft()
turtle.turnLeft()
elseif newf == 3 then
turtle.turnLeft()
end
end
if args[1] ~= "special" then
turtle.down()
turtle.down()
turtle.down()
print("Done traveling!")
end
if args[1] ~= "special" then
rednet.close("right")
end
args, x, y, z, f, newx, newy, newz, newf = nil, nil, nil, nil, nil, nil, nil, nil, nil
1054 posts
1054 posts
This pretty much answers my question. I should read first and post later. <_</>The odd thing is if I use:it works just fine and gives me my position. I'm very confused.gps locate
6 posts
8543 posts
6 posts
Try calling it as local x, y, z = gps.locate(1,true) to get debug info displayed.
6 posts
--Before
print("Man I am so lost right now!")
local x, y, z = gps.locate(5,true)
if x == nil then
print("Nope, still lost :(/>")
else
print("I am at ",x," ",y," ",z)
end
--After
print("Man I am so lost right now!")
local x, y, z = gps.locate(5,true)
if x == nil then
print("Nope, still lost :(/>")
else
print("I am at ",x," ",y," ",z)
end
2005 posts