Mirrorlandia_minetest/ham_radio
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better data format

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This commit is contained in:
techniX 2019-12-07 20:40:42 +02:00
parent 7c40bd0c19
commit ee047a6266
3 changed files with 28 additions and 34 deletions
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9
hud.lua
View File

@ -74,12 +74,11 @@ function ham_radio:update_hud_display(player)
local name = player:get_player_name()
local meta = player:get_wielded_item():get_meta()
local frequency = meta:get_string("frequency")
if frequency ~= nil and frequency ~= "" then
local transmitters = self.read_transmitters(frequency)
for key, transmitter in pairs(transmitters) do
local transmitter_signal = self:locate_transmitter(player, transmitter.pos)
local transmitters = self.find_transmitters(frequency)
for position, transmitter in pairs(transmitters) do
local transmitter_signal = self:locate_transmitter(player, minetest.string_to_pos(position))
if transmitter_signal > signal_power then
-- use max power from transmitters nearby
signal_power = transmitter_signal

48
init.lua
View File

@ -11,35 +11,31 @@ ham_radio = {
}
}
function ham_radio.save_transmitter(frequency, pos, transmitter_properties)
local transmitters = mod_storage:get_string(tostring(frequency))
function ham_radio.save_transmitter(pos, transmitter_properties)
mod_storage:set_string(
minetest.pos_to_string(pos, 0),
minetest.write_json(transmitter_properties)
)
end
function ham_radio.read_transmitter(pos)
return mod_storage:get_string(minetest.pos_to_string(pos, 0))
end
function ham_radio.find_transmitters(frequency)
local transmitter_list = {}
if transmitters ~= "" then
transmitter_list = minetest.parse_json(transmitters)
end
transmitter_list[minetest.pos_to_string(pos, 0)] = transmitter_properties
mod_storage:set_string(tostring(frequency), minetest.write_json(transmitter_list))
end
function ham_radio.read_transmitters(frequency)
local transmitters = mod_storage:get_string(tostring(frequency))
if transmitters ~= "" then
return minetest.parse_json(transmitters)
end
return {}
end
function ham_radio.delete_transmitter(frequency, pos)
local transmitters = mod_storage:get_string(tostring(frequency))
if transmitters ~= "" then
local transmitter_list = minetest.parse_json(transmitters)
transmitter_list[minetest.pos_to_string(pos, 0)] = nil
if next(transmitter_list) == nil then
mod_storage:set_string(tostring(frequency),"")
else
mod_storage:set_string(tostring(frequency), minetest.write_json(transmitter_list))
local all_transmitters = mod_storage:to_table().fields
for key, transmitter_data in pairs(all_transmitters) do
local transmitter = minetest.parse_json(transmitter_data)
if transmitter.frequency == frequency then
transmitter_list[key] = transmitter
end
end
return transmitter_list
end
function ham_radio.delete_transmitter(pos)
mod_storage:set_string(minetest.pos_to_string(pos, 0), '')
end
dofile(modpath.."/craft.lua")

5
transmitter.lua
View File

@ -37,10 +37,9 @@ minetest.register_node("ham_radio:transmitter", {
meta:set_string("frequency", fields.frequency)
meta:set_string("infotext", 'Frequency: '..fields.frequency)
ham_radio.save_transmitter(
fields.frequency,
pos,
{
pos = pos,
frequency = fields.frequency,
broadcast_message = "Test Ham Radio Broadcast!",
operated_by = meta:get_string('operated_by')
}
@ -54,6 +53,6 @@ minetest.register_node("ham_radio:transmitter", {
return inv:is_empty("main") and not minetest.is_protected(pos, name)
end,
after_dig_node = function(pos, oldnode, oldmetadata, player)
ham_radio.delete_transmitter(oldmetadata.fields.frequency, pos)
ham_radio.delete_transmitter(pos)
end
});