mtsr_modpack/player_spam/init.lua
2024-01-20 23:18:46 +03:00

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local S = minetest.get_translator("player_spam")
local player_spam = {}
local CHAR_REPEAT_MAX = 3 -- максимально допустимое число повторяющихся символов
minetest.register_on_chat_message(function(name, msg)
if msg == "" or msg:sub(1, 1) == '/' then
return
end
if not minetest.check_player_privs(name, {shout = true}) then
minetest.chat_send_player(name, S("You can not chat. Missing privilege: shout"))
return true
end
-- накапливаем счетчик, минимальное значение увеличения любого сообщения - 1, для длинных сообщений будет выше
local count_as_messages = math.max(1, math.min(msg:len() / 100, 3))
player_spam[name] = (player_spam[name] or 0) + math.floor(count_as_messages + 0.5)
-- кик, если выше трёх за интервал
if player_spam[name] > 3 then
minetest.kick_player(name, S("You spammer you!"))
return true
end
-- предупреждение в чат игроку, если выше двух за интервал
if player_spam[name] > 2 then
minetest.chat_send_player(name, S("Your message was not sent due to flood detection. ")..
S("Please try again in some seconds."))
return true
end
local new_msg = ""
local last_char
local same_char_count = 0
-- Усечение повторяющихся символов в сообщении до ограничения CHAR_REPEAT_MAX
for c in msg:gmatch(".") do
if c:byte() < 0x20 then
c = ' '
end
if last_char == c:lower() then
same_char_count = same_char_count + 1
else
last_char = c:lower()
same_char_count = 0
end
if same_char_count < CHAR_REPEAT_MAX then
new_msg = new_msg .. c
end
end
if new_msg == msg then
return
end
minetest.chat_send_all("<"..name.."> " .. new_msg)
return true
end)
local timed = 0
-- сброс счетчиков сообщений пользователей за интервал CHECK_COUNT
local CHECK_COUNT = 8
minetest.register_globalstep(function(dtime)
timed = timed + dtime
if timed < CHECK_COUNT then
return
end
timed = 0
for i, player in pairs(minetest.get_connected_players()) do
local player_name = player:get_player_name()
local num = player_spam[player_name]
if num and num > 0 then
player_spam[player_name] = math.max(0, num - CHECK_COUNT)
end
end
end)
-- очистка поля спама при выходе игрока
minetest.register_on_leaveplayer(function(player)
player_spam[player:get_player_name()] = nil
end)