mesecons_wireless/init.lua
2019-03-20 15:03:47 -07:00

456 lines
13 KiB
Lua

--[[
The MIT License (MIT)
Copyright (C) 2019 GreenXenith/GreenDimond
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to
deal in the Software without restriction, including without limitation the
rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
sell copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
IN THE SOFTWARE.
]]--
local storage = minetest.get_mod_storage()
local range_max = 20
local connection_max = 100
local rules = {
{x = 1, y = 0, z = 0},
{x =-1, y = 0, z = 0},
{x = 0, y = 1, z = 0},
{x = 0, y =-1, z = 0},
{x = 0, y = 0, z = 1},
{x = 0, y = 0, z =-1},
}
local function hash(pos)
return minetest.hash_node_position(pos)
end
local function dehash(hash)
return minetest.get_position_from_hash(hash)
end
-- Run function on each position in channel
local function do_for_each(owner, channel, origin, func)
-- Put data in table
local data = minetest.deserialize(storage:get_string(owner..":"..channel))
if not data then
return
end
-- Get range
local range = minetest.get_meta(origin):get_int("range")
for pos in pairs(data) do
pos = dehash(pos)
if pos ~= origin then
local dist = vector.distance(origin, pos)
if dist <= range then
func(pos, dist)
end
end
end
end
-- Modify storage as table
local function storage_table(owner, channel, func)
local t = minetest.deserialize(storage:get_string(owner..":"..channel)) or {}
local set = func(t)
if type(set) == "table" then
set = minetest.serialize(set)
end
storage:set_string(owner..":"..channel, set)
end
-- Limit digiline actions to 20 per second
local function overheat(pos)
local actions = minetest.get_meta(pos):get_int("actions")
if actions >= 20 then
local node = minetest.get_node(pos)
-- Burnout
if node.param2 ~= 192 then
minetest.swap_node(pos, {name = node.name, param2 = 192})
end
return true, actions
end
return false, actions
end
-- Signal Transmitter
mesecon.register_node("mesecons_wireless:transmitter", {
description = "Wireless Mesecon Transmitter",
overlay_tiles = {
"",
"",
{name = "mesecons_wireless_transmitter_signal.png"},
},
paramtype2 = "color",
palette = "mesecons_wireless_signal_palette.png",
sounds = default.node_sound_metal_defaults(),
digiline = {
effector = {
action = function(pos, node, dchannel, msg)
local meta = minetest.get_meta(pos)
local owner = meta:get_string("owner")
local channel = meta:get_string("channel")
local overheated, actions = overheat(pos)
if overheated then
return
end
-- Signal indicator
if node.param2 ~= 128 then
minetest.swap_node(pos, {name = node.name, param2 = 128})
end
-- Increase action count
meta:set_int("actions", actions + 1)
do_for_each(owner, channel, pos, function(each)
-- Relay signal
digiline:receptor_send(each, digiline.rules.default, dchannel, msg)
local enode = minetest.get_node(each)
minetest.swap_node(each, {name = enode.name, param2 = 128})
end)
end
}
},
on_timer = function(pos)
-- Cooldown
minetest.get_meta(pos):set_int("actions", 0)
local node = minetest.get_node(pos)
if node.param2 ~= minetest.registered_nodes[node.name].place_param2 then
minetest.swap_node(pos, {name = node.name, param2 = minetest.registered_nodes[node.name].place_param2})
end
minetest.get_node_timer(pos):set(1, 0)
end,
on_construct = function(pos)
local meta = minetest.get_meta(pos)
meta:set_int("range", 15)
meta:set_string("formspec", "field[channel;Channel;${channel}]field[range;Range (1-"..range_max..");${range}")
minetest.get_node_timer(pos):set(1, 0)
end,
on_destruct = function(pos)
local meta = minetest.get_meta(pos)
local owner = meta:get_string("owner")
local channel = meta:get_string("channel")
if channel and channel ~= "" then
do_for_each(owner, channel, pos, function(each)
minetest.swap_node(each, {name = "mesecons_wireless:receiver_off", param2 = 0})
mesecon.receptor_off(each, rules)
end)
end
end,
after_place_node = function(pos, placer)
minetest.get_meta(pos):set_string("owner", placer:get_player_name())
end,
on_receive_fields = function(pos, _, fields, player)
local meta = minetest.get_meta(pos)
local setter = player:get_player_name()
local owner = meta:get_string("owner")
local channel = meta:get_string("channel")
-- Only owner can set
if setter == owner then
if fields.channel then
meta:set_string("channel", fields.channel)
end
-- Make sure range is valid
local newrange
if fields.range then
newrange = tonumber(fields.range)
end
if newrange and newrange >= 1 and newrange <= range_max then
local current = meta:get_int("range")
if minetest.get_node(pos).name ~= "mesecons_wireless:transmitter_on" then
meta:set_int("range", newrange)
return
end
-- Turn off receivers outside smaller range
if current and current ~= 0 then
if current > newrange then
do_for_each(owner, channel, pos, function(each, dist)
if dist > newrange then
minetest.swap_node(each, {name = "mesecons_wireless:receiver_off", param2 = 0})
mesecon.receptor_off(each, rules)
end
end)
end
end
meta:set_int("range", newrange)
-- Turn on new receivers
do_for_each(owner, channel, pos, function(each)
local name = minetest.get_node(each).name
if name == "mesecons_wireless:receiver_on" then
return
end
minetest.swap_node(each, {name = "mesecons_wireless:receiver_on", param2 = 64})
mesecon.receptor_on(each, rules)
end)
end
end
end,
},
{
tiles = {
{name = "mesecons_wireless_metal.png", color = "white"},
{name = "mesecons_wireless_metal.png", color = "white"},
{name = "mesecons_wireless_transmitter_off.png", color = "white"}
},
color = 0,
place_param2 = 0,
groups = {cracky=1},
mesecons = {
effector = {
action_on = function(pos)
local overheated, actions = overheat(pos)
if overheated then
return
end
minetest.swap_node(pos, {name = "mesecons_wireless:transmitter_on", param2 = 64})
local meta = minetest.get_meta(pos)
local owner = meta:get_string("owner")
local channel = meta:get_string("channel")
-- Higher action value
meta:set_int("actions", actions + 5)
do_for_each(owner, channel, pos, function(each)
minetest.swap_node(each, {name = "mesecons_wireless:receiver_on", param2 = 64})
mesecon.receptor_on(each, rules)
end)
end
},
},
},
{
tiles = {
{name = "mesecons_wireless_metal.png", color = "white"},
{name = "mesecons_wireless_metal.png", color = "white"},
{name = "mesecons_wireless_transmitter_on.png", color = "white"}
},
color = 64,
place_param2 = 64,
paramtype = "light",
light_source = 2,
groups = {cracky=1, not_in_creative_inventory=1},
mesecons = {
effector = {
action_off = function(pos)
minetest.swap_node(pos, {name = "mesecons_wireless:transmitter_off", param2 = 0})
local meta = minetest.get_meta(pos)
local owner = meta:get_string("owner")
local channel = meta:get_string("channel")
do_for_each(owner, channel, pos, function(each)
minetest.swap_node(each, {name = "mesecons_wireless:receiver_off", param2 = 0})
mesecon.receptor_off(each, rules)
end)
end
},
},
}
)
mesecon.register_node("mesecons_wireless:receiver", {
description = "Wireless Mesecon Receiver",
overlay_tiles = {
"",
"",
{name = "mesecons_wireless_receiver_signal.png"},
},
paramtype2 = "color",
palette = "mesecons_wireless_signal_palette.png",
sounds = default.node_sound_metal_defaults(),
digiline = {
receptor = {},
},
on_timer = function(pos)
-- Handle signal indicator
local node = minetest.get_node(pos)
if node.param2 ~= minetest.registered_nodes[node.name].place_param2 then
minetest.swap_node(pos, {name = node.name, param2 = minetest.registered_nodes[node.name].place_param2})
end
minetest.get_node_timer(pos):set(1, 0)
end,
on_construct = function(pos)
minetest.get_meta(pos):set_string("formspec", "field[channel;Channel;${channel}]")
minetest.get_node_timer(pos):set(1, 0)
end,
on_destruct = function(pos)
local meta = minetest.get_meta(pos)
local owner = meta:get_string("owner")
local channel = meta:get_string("channel")
if channel and channel ~= "" then
storage_table(owner, channel, function(data)
data[hash(pos)] = nil
if not next(data) then
return ""
end
return data
end)
end
end,
after_place_node = function(pos, placer)
minetest.get_meta(pos):set_string("owner", placer:get_player_name())
end,
on_receive_fields = function(pos, _, fields, player)
local meta = minetest.get_meta(pos)
local setter = player:get_player_name()
local owner = meta:get_string("owner")
if setter == owner then
if not fields.channel then
return
end
-- Add to network if network < 100
local t = minetest.deserialize(storage:get_string(owner..":"..fields.channel))
if t then
local connections = 0
for c in pairs(t) do
connections = connections + 1
end
if connections >= connection_max then
return
end
end
local current = meta:get_string("channel")
if current and current ~= "" and current ~= fields.channel then
storage_table(owner, current, function(data)
data[hash(pos)] = nil
if not next(data) then
return ""
end
return data
end)
end
meta:set_string("channel", fields.channel)
if fields.channel == "" then
return
end
storage_table(owner, fields.channel, function(data)
data[hash(pos)] = 0
return data
end)
end
end,
},
{
tiles = {
{name = "mesecons_wireless_metal.png", color = "white"},
{name = "mesecons_wireless_metal.png", color = "white"},
{name = "mesecons_wireless_receiver_off.png", color = "white"},
},
color = 0,
place_param2 = 0,
groups = {cracky=1},
mesecons = {
receptor = {
state = mesecon.state.off,
rules = rules
}
},
},
{
tiles = {
{name = "mesecons_wireless_metal.png", color = "white"},
{name = "mesecons_wireless_metal.png", color = "white"},
{name = "mesecons_wireless_receiver_on.png", color = "white"},
},
color = 64,
place_param2 = 64,
paramtype = "light",
light_source = 2,
groups = {cracky=1, not_in_creative_inventory=1},
mesecons = {
receptor = {
state = mesecon.state.on,
rules = rules
}
},
}
)
-- Start timers
minetest.register_lbm({
label = "Refresh Wireless Transmitters",
name = "mesecons_wireless:clear_actions",
nodenames = {
"mesecons_wireless:transmitter_on",
"mesecons_wireless:transmitter_off",
"mesecons_wireless:receiver_on",
"mesecons_wireless:receiver_off",
},
run_at_every_load = true,
action = function(pos)
minetest.get_node_timer(pos):set(1, 0)
end,
})
-- Crafting
minetest.register_craftitem("mesecons_wireless:antenna", {
description = "Antenna",
inventory_image = "mesecons_wireless_antenna.png",
})
minetest.register_craftitem("mesecons_wireless:dish", {
description = "Radio Dish",
inventory_image = "mesecons_wireless_dish.png",
})
minetest.register_craft({
output = "mesecons_wireless:antenna",
recipe = {
{"default:steel_ingot"},
{"default:steel_ingot"},
{"mesecons_materials:fiber"}
}
})
minetest.register_craft({
output = "mesecons_wireless:dish",
recipe = {
{"", "", "default:steel_ingot"},
{"", "default:steel_ingot", "default:steel_ingot"},
{"default:steel_ingot", "default:steel_ingot", "mesecons_materials:fiber"}
}
})
minetest.register_craft({
output = "mesecons_wireless:dish",
recipe = {
{"default:steel_ingot", "", ""},
{"default:steel_ingot", "default:steel_ingot", ""},
{"mesecons_materials:fiber", "default:steel_ingot", "default:steel_ingot"}
}
})
local wire = "mesecons:wire_00000000_off"
if minetest.get_modpath("digilines") then
wire = "digilines:wire_std_00000000"
end
minetest.register_craft({
output = "mesecons_wireless:transmitter_off",
recipe = {
{"", "mesecons_wireless:antenna", ""},
{"default:steel_ingot", "default:diamond", "default:steel_ingot"},
{"mesecons:wire_00000000_off", "mesecons_luacontroller:luacontroller0000", wire}
}
})
minetest.register_craft({
output = "mesecons_wireless:receiver_off",
recipe = {
{"", "mesecons_wireless:dish", ""},
{"default:steel_ingot", "default:diamond", "default:steel_ingot"},
{"mesecons:wire_00000000_off", "mesecons_luacontroller:luacontroller0000", wire}
}
})