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mirror of https://github.com/kepler155c/opus synced 2024-12-28 01:20:27 +00:00
opus/sys/etc/scripts/summon
2017-05-20 19:05:00 -04:00

74 lines
1.8 KiB
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local function summon(id)
require = requireInjector(getfenv(1))
local GPS = require('gps')
local Socket = require('socket')
local Point = require('point')
turtle.status = 'GPSing'
turtle.setPoint({ x = 0, y = 0, z = 0, heading = 0 })
local pts = {
[ 1 ] = { x = 0, z = 0, y = 0 },
[ 2 ] = { x = 4, z = 0, y = 0 },
[ 3 ] = { x = 2, z = -2, y = 2 },
[ 4 ] = { x = 2, z = 2, y = 2 },
}
local tFixes = { }
local socket = Socket.connect(id, 161)
if not socket then
error('turtle: Unable to connect to ' .. id)
end
local function getDistance()
socket:write({ type = 'ping' })
local _, d = socket:read(5)
return d
end
local function doGPS()
tFixes = { }
for i = 1, 4 do
if not turtle.gotoPoint(pts[i]) then
error('turtle: Unable to perform GPS maneuver')
end
local distance = getDistance()
if not distance then
error('turtle: No response from ' .. id)
end
table.insert(tFixes, {
position = vector.new(turtle.point.x, turtle.point.y, turtle.point.z),
distance = distance
})
end
return true
end
if not doGPS() then
turtle.turnAround()
turtle.setPoint({ x = 0, y = 0, z = 0, heading = 0})
if not doGPS() then
socket:close()
return false
end
end
socket:close()
local pos = GPS.trilaterate(tFixes)
if pos then
local pt = { x = pos.x, y = pos.y, z = pos.z }
local _, h = Point.calculateMoves(turtle.getPoint(), pt)
local hi = turtle.getHeadingInfo(h)
turtle.status = 'recalling'
turtle.pathfind({ x = pt.x - hi.xd, z = pt.z - hi.zd, y = pt.y - hi.yd, heading = h })
else
error("turtle: Could not determine position")
end
end
turtle.run(function() summon({COMPUTER_ID}) end)