Initial code commit.

README.md

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+# stfu
+
+Stfu is an addon that blocks annoying system messages that can often times spam the chat log. It will also convert <call>'s to (call) instead to remove annoying macros.

stfu.lua

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+--[[
+* Ashita - Copyright (c) 2014 - 2016 atom0s [atom0s@live.com]
+*
+* This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
+* To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/4.0/ or send a letter to
+* Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.
+*
+* By using Ashita, you agree to the above license and its terms.
+*
+*      Attribution - You must give appropriate credit, provide a link to the license and indicate if changes were
+*                    made. You must do so in any reasonable manner, but not in any way that suggests the licensor
+*                    endorses you or your use.
+*
+*   Non-Commercial - You may not use the material (Ashita) for commercial purposes.
+*
+*   No-Derivatives - If you remix, transform, or build upon the material (Ashita), you may not distribute the
+*                    modified material. You are, however, allowed to submit the modified works back to the original
+*                    Ashita project in attempt to have it added to the original project.
+*
+* You may not apply legal terms or technological measures that legally restrict others
+* from doing anything the license permits.
+*
+* No warranties are given.
+]]--
+
+_addon.author   = 'atom0s';
+_addon.name     = 'stfu';
+_addon.version  = '3.0.0';
+
+require 'common'
+
+---------------------------------------------------------------------------------------------------
+-- Variables
+---------------------------------------------------------------------------------------------------
+local stfu = { };
+stfu.last_text = nil;
+stfu.blocked =
+{
+    "Equipment changed.",
+    "Equipment removed.",
+    "You were unable to change your equipped items.",
+    "You must close the currently open window to use that command.",
+    "You cannot use that command at this time.",
+    "You cannot use that command while viewing the chat log.",
+    "You cannot use that command while charmed.",
+    "You cannot use that command while healing.",
+    "You cannot use that command while unconscious.",
+    "You can only use that command during battle.",
+    "You cannot perform that action on the selected sub-target.",
+
+    -- May remove these in the future if people feel that they are overkill..
+    "You cannot attack that target.",
+    "Target out of range."
+};
+
+---------------------------------------------------------------------------------------------------
+-- func: prevent_spam
+-- desc: Determines if the given message is being spammed.
+---------------------------------------------------------------------------------------------------
+local function prevent_spam(msg)
+    -- Do nothing if there is no previous text yet..
+    if (stfu.last_text == nil) then
+        return false;
+    end
+    
+    -- Check if this message is the same as the last..
+    if (stfu.last_text == msg or 
+        string.contains(stfu.last_text, msg)) then
+        return true;
+    end
+    
+    return false;
+end
+
+---------------------------------------------------------------------------------------------------
+-- func: incoming_text
+-- desc: Event called when the addon is asked to handle an incoming chat line.
+---------------------------------------------------------------------------------------------------
+ashita.register_event('incoming_text', function(mode, chat)
+    -- Loop and check for known blocked messages..
+    for _, v in pairs(stfu.blocked) do
+        -- Check if this message is being spammed..
+        local spam = prevent_spam(v);
+        if (spam and string.contains(chat, v)) then
+            stfu.last_text = chat;
+            return true;
+        end
+    end
+    
+    -- Store the current chat line..
+    stfu.last_text = chat;
+    
+    -- Look for calls..
+    local r = '<((c|nc|sc)all|(c|nc|sc)all[0-9]+)>';
+    local c = ashita.regex.search(chat, r);
+    if (c ~= nil) then
+        return ashita.regex.replace(chat, r, '($1)');
+    end
+    
+    return false;
+end);