Minetest Forums

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local data = minetest.get_mod_storage()
local dColor = "#00FF00"
 
local chatSource = function(msg) -- Find out who was talking to us
    if string.sub(msg, 1, 1) == "<" then -- Normal messages
        local parts = string.split(msg, ">") -- Split it at the closing >
        return string.sub(parts[1], 2, string.len(parts[1])) -- Return the first part minus the first character
    elseif string.sub(msg, 1, 2) == "* " then -- /me messages
        local parts = string.split(msg, " ") -- Split the message before and after the name
        return parts[2] -- Return the name (this one is easy)
    end
    return false -- If nothing else returned, return false
end
 
minetest.register_chatcommand("setcolor", { -- Assign a colour to chat messages from a specific person
    params = "<name> <color>",
    description = "Colourize a specified player's chat messages",
    func = function(param)
        local args = string.split(param, " ") -- Split up the arguments
        local setName = "player_" .. args[1] -- The setting name to set
        local color = args[2]
        if not color then -- If a color was not specified, use the default color.
            color = dColor
        end
        data:set_string(setName, color)
        minetest.display_chat_message("Player color set sucessfully!")
    end
})
 
minetest.register_chatcommand("delcolor", {
    params = "<name>",
    description = "Set a specified player's chat messages to the default colour",
    func = function(param)
        local setName = "player_" .. param
        data:set_string(setName, nil) -- Set the color as blank
        minetest.display_chat_message("Player color set sucessfully!")
    end
})
 
minetest.register_chatcommand("listcolors", {
    params = "",
    description = "List player/colour pairs",
    func = function(param)
        local list = data:to_table().fields
        for key,value in pairs(list) do
            if string.sub(key, 1, 7) == "player_" then
                key = string.sub(key, 8, string.len(key))
            end
            minetest.display_chat_message(key .. ", " .. minetest.colorize(value, value))
        end
    end
})
 
minetest.register_on_connect(function()
    minetest.register_on_receiving_chat_messages(function(message)
        local msgPlain = minetest.strip_colors(message)
        local source = chatSource(msgPlain)
       
        if not source then -- If the chat was not from a player, return
            return
        end
       
        local playerSet = "player_" .. source -- The setting name
        local color = data:get_string(playerSet) -- Get the desired color
        if color == "" then -- If no color, return
            return
        end
       
        message = minetest.colorize(color, msgPlain)
        minetest.display_chat_message(message)
        return true
    end)
end)