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luk3yx
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# MIT License
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*Copyright © 2018 by luk3yx*
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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# Wireless touchscreens
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A Minetest mod that adds wireless digistuff touchscreens, inspired by
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[digitouch].
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[digitouch]: https://gitlab.com/rdococ/digitouch
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## Crafting
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To craft a wireless touchscreen, use a regular touchscreen, a teleportation tube
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(mese block if pipeworks isn't installed) and a diamond.
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## Dependencies
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This mod depends on `digistuff` and `digilines`.
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The following optional dependencies may exist:
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- `default`: Crafting recipes.
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- `pipeworks`: Optional crafting recipe change.
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- `scriptblocks`: Not required at all, however when `scriptblocks` is loaded
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this mod will use a scriptblocks API function instead of its own to
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save memory.
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@ -0,0 +1,5 @@
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digilines
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digistuff
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scriptblocks?
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pipeworks?
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default?
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--
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-- Minetest wireless touchscreens mod
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--
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wireless_touchscreens = {}
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local storage = minetest.get_mod_storage()
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-- Node protection checking, copied from scriptblocks.
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if minetest.get_modpath('scriptblocks') then
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wireless_touchscreens.check_protection = scriptblocks.check_protection
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else
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wireless_touchscreens.check_protection = function(pos, name)
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if type(name) ~= 'string' then
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name = name:get_player_name()
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end
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if minetest.is_protected(pos, name) and
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not minetest.check_player_privs(name, {protection_bypass=true}) then
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minetest.record_protection_violation(pos, name)
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return true
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end
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return false
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end
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end
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-- Allowed touchscreens
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wireless_touchscreens.parents = {}
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wireless_touchscreens.screens = {}
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-- Override formspec updates
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wireless_touchscreens.update_ts_formspec = digistuff.update_ts_formspec
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digistuff.update_ts_formspec = function(pos, ...)
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wireless_touchscreens.update_ts_formspec(pos, ...)
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local spos = minetest.pos_to_string(pos)
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local nodes = storage:get_string(spos)
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if not nodes or #nodes < 5 then
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return
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end
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local save = false
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local any = false
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nodes = minetest.deserialize(nodes)
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local formspec = minetest.get_meta(pos):get_string('formspec')
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-- Update the nodes
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for node, _ in pairs(nodes) do
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any = true
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local remote = minetest.string_to_pos(node)
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local name = minetest.get_node(remote).name
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if _ and wireless_touchscreens.screens[name] then
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local meta = minetest.get_meta(remote)
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local owner, r = meta:get_string('owner'), meta:get_string('remote')
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if r ~= spos or
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wireless_touchscreens.check_protection(remote, owner) then
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wireless_touchscreens.on_construct(remote)
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nodes[node] = nil
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save = true
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else
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meta:set_string('formspec', formspec)
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end
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end
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end
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if not any then
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minetest.forceload_free_block(remote, true)
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storage:set_string(spos, '')
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elseif save then
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storage:set_string(spos, minetest.serialize(nodes))
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end
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end
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-- Node handlers
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wireless_touchscreens.on_construct = function(pos)
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local meta = minetest.get_meta(pos)
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meta:set_string('formspec', 'field[remote;Remote touchscreen position;]')
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meta:set_string('owner', '')
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meta:set_string('remote', '')
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end
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wireless_touchscreens.on_receive_fields = function(pos,formname,fields,sender)
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local victim = sender:get_player_name()
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local meta = minetest.get_meta(pos)
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local remote = meta:get_string('remote')
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local owner = meta:get_string('owner')
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if remote then remote = minetest.string_to_pos(remote) end
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-- Forward fields onto digistuff if the touchscreen protection hasn't
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-- changed
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if remote and owner then
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minetest.forceload_block(remote, true)
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if minetest.is_protected(remote, owner) or not
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wireless_touchscreens.parents[minetest.get_node(remote).name]
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then
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minetest.forceload_free_block(remote, true)
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storage:set_string(minetest.pos_to_string(remote), '')
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-- TODO: Make this close_formspec more specific.
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minetest.close_formspec(victim, '')
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minetest.chat_send_player(victim,
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'The remote touchscreen is no longer accessible!')
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wireless_touchscreens.on_construct(pos)
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else
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digistuff.ts_on_receive_fields(remote, formname, fields, sender)
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end
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return
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elseif wireless_touchscreens.check_protection(pos, victim) or
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not fields.remote then
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return
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end
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remote = minetest.string_to_pos(fields.remote)
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if not remote then
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return minetest.chat_send_player(victim, 'Invalid position!')
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end
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minetest.forceload_block(remote, true)
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local name = minetest.get_node(remote).name
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if wireless_touchscreens.check_protection(remote, victim) then
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return minetest.forceload_free_block(remote, true)
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elseif not wireless_touchscreens.parents[name] then
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minetest.chat_send_player(victim, 'That block is not a touchscreen!')
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return minetest.forceload_free_block(remote, true)
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end
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local sremote = minetest.pos_to_string(remote)
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meta:set_string('remote', sremote)
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meta:set_string('owner', victim)
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-- Add the touchscreen to the list to update
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local data = storage:get_string(sremote)
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if data and #data > 5 then
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data = minetest.deserialize(data)
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else
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data = {}
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end
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data[minetest.pos_to_string(pos)] = true
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storage:set_string(sremote, minetest.serialize(data))
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-- Make the remote touchscreen updated.
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meta:set_string('formspec',
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minetest.get_meta(remote):get_string('formspec'))
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minetest.chat_send_player(victim, 'Remote touchscreen set!')
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end
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-- Register a wireless node
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wireless_touchscreens.register_node = function(name, parent, texture_overlay)
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local def2 = minetest.registered_nodes[parent]
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if not def2 then error('Node ' .. parent .. ' does not exist!') end
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local def = {}
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for key, value in pairs(def2) do
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def[key] = value
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end
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def.name = nil
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def.digiline = nil
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def.description = 'Wireless ' .. def.description
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def.on_construct = wireless_touchscreens.on_construct
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def.on_receive_fields = wireless_touchscreens.on_receive_fields
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texture_overlay = texture_overlay or '^[colorize:#24f2'
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wireless_touchscreens.parents[parent] = true
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wireless_touchscreens.screens[name] = true
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for n, tile in ipairs(def.tiles) do
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def.tiles[n] = tile .. texture_overlay
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end
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minetest.register_node(name, def)
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end
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-- Create the node
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wireless_touchscreens.register_node('wireless_touchscreens:ts',
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'digistuff:touchscreen')
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minetest.register_craft({
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output = 'wireless_touchscreens:ts',
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type = 'shapeless',
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recipe = {
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'digistuff:touchscreen',
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minetest.get_modpath('pipeworks') and 'pipeworks:teleport_tube_1'
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or 'default:mese',
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'default:diamond'
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}
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})
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