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Allow specifying a port for digilines messages to be sent from the lua_controller #606

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Allow specifying a port for digilines messages to be sent from the lua_controller #606

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Allow specifying a port for digilines messages to be sent from the lu…
oversword Apr 11, 2022
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Type check the port
oversword Apr 11, 2022
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17 changes: 13 additions & 4 deletions mesecons_luacontroller/init.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,14 @@ local rules = {
d = {x = 0, y = 0, z = -1, name="D"},
}

local digiline_port_rules = {}
for port, rule in pairs(rules) do
digiline_port_rules[port] = {
rule,
vector.add(rule, {x=0,y=1,z=0}),
vector.add(rule, {x=0,y=-1,z=0})
}
end

------------------
-- Action stuff --
Expand Down Expand Up @@ -429,7 +437,7 @@ local function get_digiline_send(pos, itbl, send_warning)
if not minetest.global_exists("digilines") then return end
local chan_maxlen = mesecon.setting("luacontroller_digiline_channel_maxlen", 256)
local maxlen = mesecon.setting("luacontroller_digiline_maxlen", 50000)
return function(channel, msg)
return function(channel, msg, port)
-- NOTE: This runs within string metatable sandbox, so don't *rely* on anything of the form (""):y
-- or via anything that could.
-- Make sure channel is string, number or boolean
Expand All @@ -453,7 +461,7 @@ local function get_digiline_send(pos, itbl, send_warning)
table.insert(itbl, function ()
-- Runs outside of string metatable sandbox
local luac_id = minetest.get_meta(pos):get_int("luac_id")
mesecon.queue:add_action(pos, "lc_digiline_relay", {channel, luac_id, msg})
mesecon.queue:add_action(pos, "lc_digiline_relay", {channel, luac_id, msg, port })
end)
return true
end
Expand Down Expand Up @@ -715,13 +723,14 @@ mesecon.queue:add_function("lc_interrupt", function (pos, luac_id, iid)
run(pos, {type="interrupt", iid = iid})
end)

mesecon.queue:add_function("lc_digiline_relay", function (pos, channel, luac_id, msg)
mesecon.queue:add_function("lc_digiline_relay", function (pos, channel, luac_id, msg, port)
if not digiline then return end
-- This check is only really necessary because in case of server crash, old actions can be thrown into the future
if (minetest.get_meta(pos):get_int("luac_id") ~= luac_id) then return end
if (minetest.registered_nodes[minetest.get_node(pos).name].is_burnt) then return end
-- The actual work
digiline:receptor_send(pos, digiline.rules.default, channel, msg)
local send_rules = (port and type(port) == 'string' and digiline_port_rules[string.lower(port)]) or digilines.rules.default
digiline:receptor_send(pos, send_rules, channel, msg)
end)

-----------------------
Expand Down