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Add wireless emitters/recievers. Still needs textures and crafting re…
…cipe.
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| mesecons | ||
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| local wireless_filename=minetest.get_worldpath() .. "/wireless" | ||
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| local function read_file() | ||
| local f = io.open(wireless_filename, "r") | ||
| if f==nil then return {} end | ||
| local t = f:read("*all") | ||
| f:close() | ||
| if t=="" or t==nil then return {} end | ||
| return minetest.deserialize(t) | ||
| end | ||
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| local function write_file(tbl) | ||
| local f = io.open(wireless_filename, "w") | ||
| f:write(minetest.serialize(tbl)) | ||
| f:close() | ||
| end | ||
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| local function add_wireless_receiver(pos,channel) | ||
| local tbl=read_file() | ||
| for _,val in ipairs(tbl) do | ||
| if val.x==pos.x and val.y==pos.y and val.z==pos.z then | ||
| return | ||
| end | ||
| end | ||
| table.insert(tbl,{x=pos.x,y=pos.y,z=pos.z,channel=channel}) | ||
| write_file(tbl) | ||
| end | ||
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| local function remove_wireless_receiver(pos) | ||
| local tbl=read_file() | ||
| local newtbl={} | ||
| for _,val in ipairs(tbl) do | ||
| if val.x~=pos.x or val.y~=pos.y or val.z~=pos.z then | ||
| table.insert(newtbl,val) | ||
| end | ||
| end | ||
| write_file(newtbl) | ||
| end | ||
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| local function get_wireless_receivers(channel) | ||
| local tbl=read_file() | ||
| local newtbl={} | ||
| local changed=false | ||
| for _,val in ipairs(tbl) do | ||
| local node = minetest.env:get_node(val) | ||
| local meta = minetest.env:get_meta(val) | ||
| if node.name~="ignore" and val.channel~=meta:get_string("channel") then | ||
| val.channel=meta:get_string("channel") | ||
| changed=true | ||
| end | ||
| if val.channel==channel and node.name~="ignore" then | ||
| table.insert(newtbl,val) | ||
| end | ||
| end | ||
| if changed then write_file(tbl) end | ||
| return newtbl | ||
| end | ||
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| minetest.register_node("mesecons_wireless:emitter", { | ||
| description = "Wireless emitter", | ||
| paramtype = "light", | ||
| drawtype = "normal", | ||
| tiles = {"mesecons_wireless_emitter.png"}, | ||
| walkable = true, | ||
| on_construct = function(pos) | ||
| local meta = minetest.env:get_meta(pos) | ||
| meta:set_string("channel","") | ||
| meta:set_string("formspec","size[9,1;]field[0,0.5;9,1;channel;Channel:;${channel}]") | ||
| end, | ||
| on_receive_fields = function(pos,formname,fields,sender) | ||
| local meta = minetest.env:get_meta(pos) | ||
| meta:set_string("channel",fields.channel) | ||
| end, | ||
| groups = {dig_immediate=2}, | ||
| sounds = default.node_sound_stone_defaults(), | ||
| mesecons = | ||
| { | ||
| effector = | ||
| { | ||
| action_on = function(pos) | ||
| local meta = minetest.env:get_meta(pos) | ||
| local channel = meta:get_string("channel") | ||
| local w = get_wireless_receivers(channel) | ||
| for _,i in ipairs(w) do | ||
| mesecon:receptor_on(i) | ||
| mesecon:swap_node(i, "mesecons_wireless:receiver_on") | ||
| end | ||
| end, | ||
| action_off = function(pos) | ||
| local meta = minetest.env:get_meta(pos) | ||
| local channel = meta:get_string("channel") | ||
| local w = get_wireless_receivers(channel) | ||
| for _,i in ipairs(w) do | ||
| mesecon:receptor_off(i) | ||
| mesecon:swap_node(i, "mesecons_wireless:receiver") | ||
| end | ||
| end, | ||
| } | ||
| } | ||
| }) | ||
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| minetest.register_node("mesecons_wireless:receiver", { | ||
| description = "Wireless receiver", | ||
| paramtype = "light", | ||
| drawtype = "normal", | ||
| tiles = {"mesecons_wireless_receiver.png"}, | ||
| walkable = true, | ||
| on_construct = function(pos) | ||
| local meta = minetest.env:get_meta(pos) | ||
| meta:set_string("channel","") | ||
| meta:set_string("formspec","size[9,1;]field[0,0.5;9,1;channel;Channel:;${channel}]") | ||
| add_wireless_receiver(pos,"") | ||
| end, | ||
| on_receive_fields = function(pos,formname,fields,sender) | ||
| local meta = minetest.env:get_meta(pos) | ||
| meta:set_string("channel",fields.channel) | ||
| remove_wireless_receiver(pos) | ||
| add_wireless_receiver(pos,fields.channel) | ||
| end, | ||
| on_destruct = function(pos) | ||
| remove_wireless_receiver(pos) | ||
| end, | ||
| groups = {dig_immediate=2}, | ||
| sounds = default.node_sound_stone_defaults(), | ||
| mesecons = | ||
| { | ||
| receptor = | ||
| { | ||
| state = "off", | ||
| }, | ||
| } | ||
| }) | ||
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| minetest.register_node("mesecons_wireless:receiver_on", { | ||
| description = "Wireless receiver on (you hacker you)", | ||
| paramtype = "light", | ||
| drawtype = "normal", | ||
| tiles = {"mesecons_wireless_receiver_on.png"}, | ||
| walkable = true, | ||
| on_construct = function(pos) | ||
| local meta = minetest.env:get_meta(pos) | ||
| meta:set_string("channel","") | ||
| meta:set_string("formspec","size[9,1;]field[0,0.5;9,1;channel;Channel:;${channel}]") | ||
| add_wireless_receiver(pos,"") | ||
| end, | ||
| on_receive_fields = function(pos,formname,fields,sender) | ||
| local meta = minetest.env:get_meta(pos) | ||
| meta:set_string("channel",fields.channel) | ||
| remove_wireless_receiver(pos) | ||
| add_wireless_receiver(pos,fields.channel) | ||
| end, | ||
| on_destruct = function(pos) | ||
| remove_wireless_receiver(pos) | ||
| end, | ||
| groups = {dig_immediate=2, not_in_creative_inventory=1}, | ||
| drop = "mesecons_wireless:receiver", | ||
| sounds = default.node_sound_stone_defaults(), | ||
| mesecons = | ||
| { | ||
| receptor = | ||
| { | ||
| state = "on", | ||
| }, | ||
| } | ||
| }) | ||
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