core.callback_origins = {} function core.run_callbacks(callbacks, mode, ...) assert(type(callbacks) == "table") local cb_len = #callbacks if cb_len == 0 then if mode == 2 or mode == 3 then return true elseif mode == 4 or mode == 5 then return false end end local ret for i = 1, cb_len do local cb_ret = callbacks[i](...) if mode == 0 and i == 1 or mode == 1 and i == cb_len then ret = cb_ret elseif mode == 2 then if not cb_ret or i == 1 then ret = cb_ret end elseif mode == 3 then if cb_ret then return cb_ret end ret = cb_ret elseif mode == 4 then if (cb_ret and not ret) or i == 1 then ret = cb_ret end elseif mode == 5 and cb_ret then return cb_ret end end return ret end -- -- Callback registration -- local function make_registration() local t = {} local registerfunc = function(func) t[#t + 1] = func core.callback_origins[func] = { mod = core.get_current_modname() or "??", name = debug.getinfo(1, "n").name or "??" } --local origin = core.callback_origins[func] --print(origin.name .. ": " .. origin.mod .. " registering cbk " .. tostring(func)) end return t, registerfunc end core.registered_globalsteps, core.register_globalstep = make_registration() core.registered_on_shutdown, core.register_on_shutdown = make_registration() core.registered_on_receiving_chat_messages, core.register_on_receiving_chat_messages = make_registration() core.registered_on_sending_chat_messages, core.register_on_sending_chat_messages = make_registration() core.registered_on_death, core.register_on_death = make_registration() core.registered_on_hp_modification, core.register_on_hp_modification = make_registration() core.registered_on_damage_taken, core.register_on_damage_taken = make_registration() core.registered_on_formspec_input, core.register_on_formspec_input = make_registration()