106 lines
2.7 KiB
Lua
106 lines
2.7 KiB
Lua
local Config = require('config')
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local Util = require('util')
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local args = { ... }
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local gps = _G.gps
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local os = _G.os
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local peripheral = _G.peripheral
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local turtle = _G.turtle
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local WIRED_MODEM = 'computercraft:wired_modem_full'
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local CABLE = 'computercraft:cable'
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local ENDER_MODEM = 'computercraft:advanced_modem'
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local function build()
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if not turtle.has(WIRED_MODEM, 8) or
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not turtle.has(CABLE, 4) or
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not turtle.has(ENDER_MODEM, 4) then
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error([[Place into inventory:
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* 8 Wired modem (blocks)
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* 4 Network cables
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* 4 Ender modems]])
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end
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local blocks = {
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{ x = 1, y = 0, z = 0, b = WIRED_MODEM },
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{ x = 2, y = 0, z = 0, b = CABLE },
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{ x = 2, y = 1, z = 0, b = CABLE },
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{ x = 2, y = 2, z = 0, b = WIRED_MODEM },
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{ x = 2, y = 3, z = 0, b = ENDER_MODEM },
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{ x = -1, y = 0, z = 0, b = WIRED_MODEM },
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{ x = -2, y = 0, z = 0, b = CABLE },
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{ x = -2, y = 1, z = 0, b = CABLE },
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{ x = -2, y = 2, z = 0, b = WIRED_MODEM },
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{ x = -2, y = 3, z = 0, b = ENDER_MODEM },
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{ x = 0, y = 0, z = 1, b = WIRED_MODEM },
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{ x = 0, y = 0, z = 2, b = WIRED_MODEM },
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{ x = 0, y = 1, z = 2, b = ENDER_MODEM },
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{ x = 0, y = 0, z = -1, b = WIRED_MODEM },
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{ x = 0, y = 0, z = -2, b = WIRED_MODEM },
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{ x = 0, y = 1, z = -2, b = ENDER_MODEM },
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}
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for _,v in ipairs(blocks) do
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turtle.placeDownAt(v, v.b)
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end
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end
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local function server()
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local modems = Config.load('gpsServer')
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for k, modem in pairs(modems) do
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Util.merge(modem, peripheral.wrap(k))
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modem.open(gps.CHANNEL_GPS)
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end
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while true do
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local e, p1, p2, p3, p4, p5 = os.pullEvent( "modem_message" )
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if e == "modem_message" then
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-- We received a message from a modem
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local sSide, sChannel, sReplyChannel, sMessage, nDistance = p1, p2, p3, p4, p5
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if sChannel == gps.CHANNEL_GPS and sMessage == "PING" then
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-- We received a ping message on the GPS channel, send a response
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for _, modem in pairs(modems) do
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modem.transmit( sReplyChannel, gps.CHANNEL_GPS, { modem.x, modem.y, modem.z })
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end
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end
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end
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end
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end
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if args[1] == 'build' then
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local y = tonumber(args[2] or 0)
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turtle.setPoint({ x = 0, y = -y, z = 0, heading = 0 })
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build()
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turtle._goto({ x = 0, y = 0, z = 0, heading = 0 })
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print('Activate all modems')
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print('Press enter when ready')
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_G.read()
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local modems = { }
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peripheral.find('modem', function(name, modem)
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if modem.isWireless() then
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modems[name] = { x = 0, y = 0, z = 0 }
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end
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end)
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Config.update('gpsServer', modems)
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print([[
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Configuration file usr/config/gpsServer created.
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Add coordinates for each modem.
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Use the position of the wired modem below the wireless modem]])
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elseif args[1] == 'server' then
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server()
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else
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error('Syntax: gps [build|server]')
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end
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