xcompat/init.lua

local modpath = minetest.get_modpath("xcompat")

xcompat = {
    sounds = dofile(modpath .. "/src/sounds.lua"),
    materials = dofile(modpath .. "/src/materials.lua"),
    textures = dofile(modpath .. "/src/textures.lua"),
}

local function validate_sound(key)
    if key and xcompat.sounds[key] then
        return true
    elseif key then
        minetest.log("warning", "attempted to call invalid sound: "..key)
    else
        minetest.log("warning", "sound_def is missing a sound_api key")
    end
    return false
end

minetest.register_on_mods_loaded(function()
    for name, def in pairs(minetest.registered_nodes) do
        if def._sound_def and validate_sound(def._sound_def.key) then
            minetest.override_item(name, {
                sounds = xcompat.sounds[def._sound_def.key](def._sound_def.input)
            })
        end
    end

    local old_reg_node = minetest.register_node
    function minetest.register_node(name, def)
        if def._sound_def and validate_sound(def._sound_def.key) then
            def.sounds = xcompat.sounds[def._sound_def.key](def._sound_def.input)
        end

        old_reg_node(name, def)
    end
end)