|
| 1 | + |
| 2 | +local wireless_filename=minetest.get_worldpath() .. "/wireless" |
| 3 | + |
| 4 | +local function read_file() |
| 5 | + local f = io.open(wireless_filename, "r") |
| 6 | + if f==nil then return {} end |
| 7 | + local t = f:read("*all") |
| 8 | + f:close() |
| 9 | + if t=="" or t==nil then return {} end |
| 10 | + return minetest.deserialize(t) |
| 11 | +end |
| 12 | + |
| 13 | +local function write_file(tbl) |
| 14 | + local f = io.open(wireless_filename, "w") |
| 15 | + f:write(minetest.serialize(tbl)) |
| 16 | + f:close() |
| 17 | +end |
| 18 | + |
| 19 | +local function add_wireless_receiver(pos,channel) |
| 20 | + local tbl=read_file() |
| 21 | + for _,val in ipairs(tbl) do |
| 22 | + if val.x==pos.x and val.y==pos.y and val.z==pos.z then |
| 23 | + return |
| 24 | + end |
| 25 | + end |
| 26 | + table.insert(tbl,{x=pos.x,y=pos.y,z=pos.z,channel=channel}) |
| 27 | + write_file(tbl) |
| 28 | +end |
| 29 | + |
| 30 | +local function remove_wireless_receiver(pos) |
| 31 | + local tbl=read_file() |
| 32 | + local newtbl={} |
| 33 | + for _,val in ipairs(tbl) do |
| 34 | + if val.x~=pos.x or val.y~=pos.y or val.z~=pos.z then |
| 35 | + table.insert(newtbl,val) |
| 36 | + end |
| 37 | + end |
| 38 | + write_file(newtbl) |
| 39 | +end |
| 40 | + |
| 41 | +local function get_wireless_receivers(channel) |
| 42 | + local tbl=read_file() |
| 43 | + local newtbl={} |
| 44 | + local changed=false |
| 45 | + for _,val in ipairs(tbl) do |
| 46 | + local node = minetest.env:get_node(val) |
| 47 | + local meta = minetest.env:get_meta(val) |
| 48 | + if node.name~="ignore" and val.channel~=meta:get_string("channel") then |
| 49 | + val.channel=meta:get_string("channel") |
| 50 | + changed=true |
| 51 | + end |
| 52 | + if val.channel==channel and node.name~="ignore" then |
| 53 | + table.insert(newtbl,val) |
| 54 | + end |
| 55 | + end |
| 56 | + if changed then write_file(tbl) end |
| 57 | + return newtbl |
| 58 | +end |
| 59 | + |
| 60 | +minetest.register_node("mesecons_wireless:emitter", { |
| 61 | + description = "Wireless emitter", |
| 62 | + paramtype = "light", |
| 63 | + drawtype = "normal", |
| 64 | + tiles = {"mesecons_wireless_emitter.png"}, |
| 65 | + walkable = true, |
| 66 | + on_construct = function(pos) |
| 67 | + local meta = minetest.env:get_meta(pos) |
| 68 | + meta:set_string("channel","") |
| 69 | + meta:set_string("formspec","size[9,1;]field[0,0.5;9,1;channel;Channel:;${channel}]") |
| 70 | + end, |
| 71 | + on_receive_fields = function(pos,formname,fields,sender) |
| 72 | + local meta = minetest.env:get_meta(pos) |
| 73 | + meta:set_string("channel",fields.channel) |
| 74 | + end, |
| 75 | + groups = {dig_immediate=2}, |
| 76 | + sounds = default.node_sound_stone_defaults(), |
| 77 | + mesecons = |
| 78 | + { |
| 79 | + effector = |
| 80 | + { |
| 81 | + action_on = function(pos) |
| 82 | + local meta = minetest.env:get_meta(pos) |
| 83 | + local channel = meta:get_string("channel") |
| 84 | + local w = get_wireless_receivers(channel) |
| 85 | + for _,i in ipairs(w) do |
| 86 | + mesecon:receptor_on(i) |
| 87 | + mesecon:swap_node(i, "mesecons_wireless:receiver_on") |
| 88 | + end |
| 89 | + end, |
| 90 | + action_off = function(pos) |
| 91 | + local meta = minetest.env:get_meta(pos) |
| 92 | + local channel = meta:get_string("channel") |
| 93 | + local w = get_wireless_receivers(channel) |
| 94 | + for _,i in ipairs(w) do |
| 95 | + mesecon:receptor_off(i) |
| 96 | + mesecon:swap_node(i, "mesecons_wireless:receiver") |
| 97 | + end |
| 98 | + end, |
| 99 | + } |
| 100 | + } |
| 101 | +}) |
| 102 | + |
| 103 | +minetest.register_node("mesecons_wireless:receiver", { |
| 104 | + description = "Wireless receiver", |
| 105 | + paramtype = "light", |
| 106 | + drawtype = "normal", |
| 107 | + tiles = {"mesecons_wireless_receiver.png"}, |
| 108 | + walkable = true, |
| 109 | + on_construct = function(pos) |
| 110 | + local meta = minetest.env:get_meta(pos) |
| 111 | + meta:set_string("channel","") |
| 112 | + meta:set_string("formspec","size[9,1;]field[0,0.5;9,1;channel;Channel:;${channel}]") |
| 113 | + add_wireless_receiver(pos,"") |
| 114 | + end, |
| 115 | + on_receive_fields = function(pos,formname,fields,sender) |
| 116 | + local meta = minetest.env:get_meta(pos) |
| 117 | + meta:set_string("channel",fields.channel) |
| 118 | + remove_wireless_receiver(pos) |
| 119 | + add_wireless_receiver(pos,fields.channel) |
| 120 | + end, |
| 121 | + on_destruct = function(pos) |
| 122 | + remove_wireless_receiver(pos) |
| 123 | + end, |
| 124 | + groups = {dig_immediate=2}, |
| 125 | + sounds = default.node_sound_stone_defaults(), |
| 126 | + mesecons = |
| 127 | + { |
| 128 | + receptor = |
| 129 | + { |
| 130 | + state = "off", |
| 131 | + }, |
| 132 | + } |
| 133 | +}) |
| 134 | + |
| 135 | +minetest.register_node("mesecons_wireless:receiver_on", { |
| 136 | + description = "Wireless receiver on (you hacker you)", |
| 137 | + paramtype = "light", |
| 138 | + drawtype = "normal", |
| 139 | + tiles = {"mesecons_wireless_receiver_on.png"}, |
| 140 | + walkable = true, |
| 141 | + on_construct = function(pos) |
| 142 | + local meta = minetest.env:get_meta(pos) |
| 143 | + meta:set_string("channel","") |
| 144 | + meta:set_string("formspec","size[9,1;]field[0,0.5;9,1;channel;Channel:;${channel}]") |
| 145 | + add_wireless_receiver(pos,"") |
| 146 | + end, |
| 147 | + on_receive_fields = function(pos,formname,fields,sender) |
| 148 | + local meta = minetest.env:get_meta(pos) |
| 149 | + meta:set_string("channel",fields.channel) |
| 150 | + remove_wireless_receiver(pos) |
| 151 | + add_wireless_receiver(pos,fields.channel) |
| 152 | + end, |
| 153 | + on_destruct = function(pos) |
| 154 | + remove_wireless_receiver(pos) |
| 155 | + end, |
| 156 | + groups = {dig_immediate=2, not_in_creative_inventory=1}, |
| 157 | + drop = "mesecons_wireless:receiver", |
| 158 | + sounds = default.node_sound_stone_defaults(), |
| 159 | + mesecons = |
| 160 | + { |
| 161 | + receptor = |
| 162 | + { |
| 163 | + state = "on", |
| 164 | + }, |
| 165 | + } |
| 166 | +}) |
| 167 | + |
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