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validate frequency

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This commit is contained in:
techniX 2019-12-07 21:24:49 +02:00
parent 5c199f251c
commit 139370227d
4 changed files with 23 additions and 8 deletions
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10
helpers.lua Normal file
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@ -0,0 +1,10 @@
function ham_radio.validate_frequency(frequency)
if frequency == nil then
return false
end
local num_freq = math.floor(tonumber(frequency))
local freq = tostring(num_freq)
return freq == frequency
and num_freq >= ham_radio.settings.frequency.min
and num_freq <= ham_radio.settings.frequency.max
end

5
init.lua
View File

@ -9,6 +9,10 @@ ham_radio = {
transmitters = {},
settings = {
hud_pos = { x = 0.5, y = 0.8 },
frequency = {
min = 0,
max = 1000000
}
}
}
@ -40,6 +44,7 @@ function ham_radio.delete_transmitter(pos)
mod_storage:set_string(key, '') -- storage
end
dofile(modpath.."/helpers.lua")
dofile(modpath.."/craft.lua")
dofile(modpath.."/transmitter.lua")
dofile(modpath.."/receiver.lua")

2
receiver.lua
View File

@ -22,7 +22,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
if formname ~= "ham_radio:configure_receiver" or not minetest.is_player(player) then
return false
end
if fields.frequency == "" or fields.frequency == nil then
if not ham_radio.validate_frequency(fields.frequency) then
return false
end
local item = player:get_wielded_item()

14
transmitter.lua
View File

@ -2,12 +2,12 @@
minetest.register_node("ham_radio:transmitter", {
description = "Ham Radio Transmitter",
tiles = {
"ham_radio_transmitter_top.png",
"ham_radio_transmitter_top.png",
"ham_radio_transmitter_side.png",
"ham_radio_transmitter_side.png",
"ham_radio_transmitter_side.png",
"ham_radio_transmitter_front.png"
"ham_radio_transmitter_top.png",
"ham_radio_transmitter_top.png",
"ham_radio_transmitter_side.png",
"ham_radio_transmitter_side.png",
"ham_radio_transmitter_side.png",
"ham_radio_transmitter_front.png"
},
groups = {cracky=2,oddly_breakable_by_hand=2},
sounds = default.node_sound_metal_defaults(),
@ -32,7 +32,7 @@ minetest.register_node("ham_radio:transmitter", {
if fields.quit ~= "true" then
return
end
if fields.frequency ~= nil and fields.frequency ~= '' then
if ham_radio.validate_frequency(fields.frequency) then
local meta = minetest.get_meta(pos)
meta:set_string("frequency", fields.frequency)
meta:set_string("infotext", 'Frequency: '..fields.frequency)