vanilla-wow-addons – Rev 1

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local playerfaction = "";
local enemycarrier = "-";
local allycarrier = "-";

function TargetFC_OnLoad()
        this:RegisterEvent("PLAYER_ENTERING_WORLD");
        this:RegisterEvent("CHAT_MSG_BG_SYSTEM_HORDE");
        this:RegisterEvent("CHAT_MSG_BG_SYSTEM_ALLIANCE");
        this:RegisterEvent("CHAT_MSG_BG_SYSTEM_NEUTRAL");

        SlashCmdList["TargetFC"] = TargetFC_SlashCommandHandler;
        SLASH_TargetFC1 = "/targetfc";
        SLASH_TargetFC2 = "/tf";

        DEFAULT_CHAT_FRAME:AddMessage("TargetFC enabled. /targetfc for more info.");
end

function TargetFC_OnEvent( event )
        if (event == "PLAYER_ENTERING_WORLD") then
                playerfaction = UnitFactionGroup("player");
                DEFAULT_CHAT_FRAME:AddMessage("Faction: " .. playerfaction);

                getglobal("TargetFCAllianceButton"):Hide();
                getglobal("TargetFCHordeButton"):Hide();

        elseif ((event == "CHAT_MSG_BG_SYSTEM_HORDE") or (event == "CHAT_MSG_BG_SYSTEM_ALLIANCE")) then

                DEFAULT_CHAT_FRAME:AddMessage("Faction Check: " .. playerfaction);

                if (string.find(arg1, "The %w+ %w+ was picked up by %w+")) then
                        local _,_,team,player = string.find(arg1, "The (%w+) %w+ was picked up by (%w+)!");

                        if (playerfaction == team) then
                                enemycarrier = player;
                        else
                                allycarrier = player;
                        end

                        if (team == "Horde") then
                                getglobal("TargetFCAlliance"):SetText(player);
                                getglobal("TargetFCAllianceButton"):Show();
                        else
                                getglobal("TargetFCHorde"):SetText(player);
                                getglobal("TargetFCHordeButton"):Show();
                        end

                elseif (string.find(arg1, "The %w+ %w+ was taken by %w+")) then
                        local _,_,team,player = string.find(arg1, "The (%w+) %w+ was taken by (%w+)!");

                        if (playerfaction == team) then
                                enemycarrier = player;
                        else
                                allycarrier = player;
                        end

                        if (team == "Horde") then
                                getglobal("TargetFCAlliance"):SetText(player);
                                getglobal("TargetFCAllianceButton"):Show();
                        else
                                getglobal("TargetFCHorde"):SetText(player);
                                getglobal("TargetFCHordeButton"):Show();
                        end

                elseif (string.find(arg1, "The %w+ %w+ was dropped")) then
                        local _,_,team = string.find(arg1, "The (%w+)");

                        if (playerfaction == team) then
                                enemycarrier = "-";
                        else
                                allycarrier = "-";
                        end

                        if (team == "Horde") then
                                getglobal("TargetFCAllianceButton"):Hide();
                        else
                                getglobal("TargetFCHordeButton"):Hide();
                        end
                end

        elseif (event == "CHAT_MSG_BG_SYSTEM_NEUTRAL") then
                if (string.find(arg1, "The flags are now placed at their bases.")) then
                        allycarrier = "-";
                        enemycarrier = "-";

                        getglobal("TargetFCAllianceButton"):Hide();
                        getglobal("TargetFCHordeButton"):Hide();
                end
        end
end


function TargetFC_SlashCommandHandler(msg)
        if (string.lower(msg) == "enemy") then
                if (enemycarrier ~= "-") then
                        DEFAULT_CHAT_FRAME:AddMessage("Attempting to target <" .. enemycarrier .. ">.");
                        TargetByName(enemycarrier);
                        if (UnitName("target") ~= enemycarrier) then
                                TargetLastTarget();
                        end
                else
                        DEFAULT_CHAT_FRAME:AddMessage("No enemy flag carrier.");
                end

        elseif (string.lower(msg) == "friendly") then
                if (allycarrier ~= "-") then
                        DEFAULT_CHAT_FRAME:AddMessage("Attempting to target <" .. allycarrier .. ">.");
                        TargetByName(allycarrier);
                        if (UnitName("target") ~= allycarrier) then
                                TargetLastTarget();
                        end
                else
                        DEFAULT_CHAT_FRAME:AddMessage("No friendly flag carrier.");
                end

        elseif (string.lower(msg) == "horde") then
                if (playerfaction == "Horde") then
                        TargetFC_SlashCommandHandler("friendly");
                else
                        TargetFC_SlashCommandHandler("enemy");
                end

        elseif (string.lower(msg) == "alliance") then
                if (playerfaction == "Horde") then
                        TargetFC_SlashCommandHandler("enemy");
                else
                        TargetFC_SlashCommandHandler("friendly");
                end

        elseif (string.lower(msg) == "fix") then
                playerfaction = UnitFactionGroup("player");

        elseif (string.lower(msg) == "check") then
                DEFAULT_CHAT_FRAME:AddMessage("Faction: " .. playerfaction);


        else
                DEFAULT_CHAT_FRAME:AddMessage("To target the enemy flag carrier: /tf enemy");
                DEFAULT_CHAT_FRAME:AddMessage("To target the friendly flag carrier: /tf friendly");
                DEFAULT_CHAT_FRAME:AddMessage("To check to see if the faction was obtained correctly: /tf check");
                DEFAULT_CHAT_FRAME:AddMessage("To automatically detect the faction: /tf fix");
        end
end