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cache transmitters - avoid serialization

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techniX 2019-12-07 21:04:13 +02:00
parent ee047a6266
commit 5c199f251c
1 changed files with 13 additions and 11 deletions
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24
init.lua
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@ -6,27 +6,27 @@ ham_radio = rawget(_G, "ham_radio") or {}
ham_radio = {
playerhuds = {},
is_receiver_wielded = {},
transmitters = {},
settings = {
hud_pos = { x = 0.5, y = 0.8 },
}
}
function ham_radio.save_transmitter(pos, transmitter_properties)
mod_storage:set_string(
minetest.pos_to_string(pos, 0),
minetest.write_json(transmitter_properties)
)
-- preload transmitter data
local all_transmitters = mod_storage:to_table().fields
for key, transmitter_data in pairs(all_transmitters) do
ham_radio.transmitters[key] = minetest.parse_json(transmitter_data)
end
function ham_radio.read_transmitter(pos)
return mod_storage:get_string(minetest.pos_to_string(pos, 0))
function ham_radio.save_transmitter(pos, transmitter_properties)
local key = minetest.pos_to_string(pos, 0)
ham_radio.transmitters[key] = transmitter_properties -- cache
mod_storage:set_string(key, minetest.write_json(transmitter_properties)) -- storage
end
function ham_radio.find_transmitters(frequency)
local 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)
for key, transmitter in pairs(ham_radio.transmitters) do
if transmitter.frequency == frequency then
transmitter_list[key] = transmitter
end
@ -35,7 +35,9 @@ function ham_radio.find_transmitters(frequency)
end
function ham_radio.delete_transmitter(pos)
mod_storage:set_string(minetest.pos_to_string(pos, 0), '')
local key = minetest.pos_to_string(pos, 0)
ham_radio.transmitters[key] = nil -- cache
mod_storage:set_string(key, '') -- storage
end
dofile(modpath.."/craft.lua")