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digiline.lua
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digiline.lua
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ham_radio.digiline_effector_transmitter = function(pos, _, channel, msg)
-- static channels for transmitter
local command_channel = ham_radio.settings.digiline_channel
local rds_channel = ham_radio.settings.digiline_rds_channel
if channel ~= command_channel and channel ~= rds_channel then
return
end
local meta = minetest.get_meta(pos)
-- RDS channel - text message
if channel == rds_channel then
if type(msg) == "string" then
meta:set_string("rds_message", msg)
ham_radio.transmitter_update_infotext(meta)
ham_radio.save_transmitter(pos, meta)
end
return
end
-- command channel
if type(msg) ~= "table" then
return
end
if msg.command == "get" then
digilines.receptor_send(pos, digilines.rules.default, command_channel, {
frequency = meta:get_string("frequency"),
rds_message = meta:get_string("rds_message"),
})
elseif msg.command == "frequency" or msg.command == "set_frequency" then
local new_frequency = msg.value
local validate = ham_radio.validate_frequency(new_frequency)
if validate.result then
meta:set_string("frequency", new_frequency)
ham_radio.transmitter_update_infotext(meta)
ham_radio.save_transmitter(pos, meta)
end
digilines.receptor_send(pos, digilines.rules.default, command_channel, {
update = 'frequency',
success = validate.result,
message = validate.message
})
elseif msg.command == "rds" or msg.command == "message" or msg.command == "rds_message" or msg.command == "set_rds_message" then
meta:set_string("rds_message", msg.value)
ham_radio.transmitter_update_infotext(meta)
ham_radio.save_transmitter(pos, meta)
digilines.receptor_send(pos, digilines.rules.default, command_channel, {
update = 'rds_message',
success = true
})
end
end
ham_radio.digiline_effector_receiver = function(pos, _, channel, msg)
-- static channel for receiver
local command_channel = ham_radio.settings.digiline_receiver_channel
if channel ~= command_channel or type(msg) ~= "table" then
return
end
local meta = minetest.get_meta(pos)
if msg.command == "get" then
digilines.receptor_send(pos, digilines.rules.default, command_channel, {
frequency = meta:get_string("frequency"),
rds_message = meta:get_string("rds_message"),
})
elseif msg.command == "frequency" or msg.command == "set_frequency" then
local new_frequency = msg.value
local validate = ham_radio.validate_frequency(new_frequency, true)
if validate.result then
meta:set_string("frequency", new_frequency)
-- load new RDS messages
local poshash = minetest.pos_to_string(pos, 0)
ham_radio.receiver_rds[poshash] = ham_radio.get_rds_messages(new_frequency, true)
ham_radio.get_next_rds_message(poshash, meta)
end
digilines.receptor_send(pos, digilines.rules.default, command_channel, {
update = 'frequency',
success = validate.result,
message = validate.message
})
end
end