RedMew/features/chat_triggers.lua

-- This feature auto-responds to key words or phrases. We use the name/actor Hodor because it is Redmew's beloved discord bot.

local Game = require 'utils.game'
local Event = require 'utils.event'

local hodor_messages = {
    {'Hodor.', 16},
    {'Hodor?', 16},
    {'Hodor!', 16},
    {'Hodor! Hodor! Hodor! Hodor!', 4},
    {'Hodor :(', 4},
    {'Hodor :)', 4},
    {'HOOOODOOOR!', 4},
    {'( ͡° ͜ʖ ͡°)', 1},
    {'☉ ‿ ⚆', 1}
}

local auto_replies = {
    ['discord'] = {'Did you ask about our discord server?', 'You can find it here: redmew.com/discord'},
    ['patreon'] = {'Did you ask about our patreon?', 'You can find it here: patreon.com/redmew'},
    ['donate'] = {'Did you ask about donating to the server?', 'You can find our patreon here: patreon.com/redmew'},
    ['grief'] = {'To report grief please use the /report function.', 'If no admins are online use #moderation-requests on the discord and make sure the @mention the appropriate role.'}
}

global.naughty_words_enabled = false
global.naughty_words = {
    ['ass'] = true,
    ['bugger'] = true,
    ['butt'] = true,
    ['bum'] = true,
    ['bummer'] = true,
    ['christ'] = true,
    ['crikey'] = true,
    ['darn'] = true,
    ['dam'] = true,
    ['damn'] = true,
    ['dang'] = true,
    ['dagnabit'] = true,
    ['dagnabbit'] = true,
    ['drat'] = true,
    ['fart'] = true,
    ['feck'] = true,
    ['frack'] = true,
    ['freaking'] = true,
    ['frick'] = true,
    ['gay'] = true,
    ['gee'] = true,
    ['geez'] = true,
    ['git'] = true,
    ['god'] = true,
    ['golly'] = true,
    ['gosh'] = true,
    ['heavens'] = true,
    ['heck'] = true,
    ['hell'] = true,
    ['holy'] = true,
    ['jerk'] = true,
    ['jesus'] = true,
    ['petes'] = true,
    ["pete's"] = true,
    ['poo'] = true,
    ['satan'] = true,
    ['willy'] = true,
    ['wee'] = true,
    ['yikes'] = true
}

local message_weight_sum = 0
for _, w in pairs(hodor_messages) do
    message_weight_sum = message_weight_sum + w[2]
end

local function hodor(event)
    local message = event.message:lower()
    if message:match('hodor') then
        local index = math.random(1, message_weight_sum)
        local message_weight_sum = 0
        for _, m in pairs(hodor_messages) do
            message_weight_sum = message_weight_sum + m[2]
            if message_weight_sum >= index then
                game.print('Hodor: ' .. m[1])
                break
            end
        end
    end

    -- player_index is nil if the message came from the server,
    -- and indexing Game.players with nil is apparently an error.
    local player_index = event.player_index
    if not player_index then
        return
    end

    local player = Game.get_player_by_index(event.player_index)
    if not player or not player.valid then
        return
    end
    
    if not player.admin then
        for trigger, replies in pairs(auto_replies) do
            if message:match(trigger) then
                for _, reply in pairs(replies) do
                    player.print(reply)
                end
            end
        end
    end

    if global.naughty_words_enabled then
        local naughty_words = global.naughty_words
        for word in message:gmatch('%S+') do
            if naughty_words[word] then
                game.print(player.name .. ' this is a Christian Factorio server, no swearing please!')
                break
            end
        end
    end
end

Event.add(defines.events.on_console_chat, hodor)