mcl_lever_status_indicator/init.lua

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--[[
mcl_lever_status Minetest mod that makes “on” levers have a red tip.
Copyright © 2022 Nils Dagsson Moskopp (erlehmann)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
Dieses Programm hat das Ziel, die Medienkompetenz der Leser zu
steigern. Gelegentlich packe ich sogar einen handfesten Buffer
Overflow oder eine Format String Vulnerability zwischen die anderen
Codezeilen und schreibe das auch nicht dran.
]]--
local get_tiles = function(node_name)
local tiles
if string.match(node_name, ":wall_lever_on") then
local base = "jeija_wall_lever_lever_light_on.png"
-- TODO: Construct the overlay using texture modifiers
-- directly from jeija_torches_on.png so that it works
-- with other texture packs than the default one, too.
local overlay = "mcl_lever_status_lever_on.png"
tiles = {
base .. "^" .. overlay,
}
end
return tiles
end
local add_lever_on_status = function()
for node_name, node_def in pairs(minetest.registered_nodes) do
local tiles = get_tiles(node_name)
if nil ~= tiles then
minetest.override_item(
node_name,
{
tiles = tiles,
}
)
end
end
end
minetest.register_on_mods_loaded(add_lever_on_status)