init

OBWT.lua

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+function OBWT_OnLoad()
+	this:RegisterEvent('PLAYER_ENTERING_WORLD')
+	this:RegisterEvent('ADDON_LOADED')
+	DEFAULT_CHAT_FRAME:AddMessage('One button warrior tanking. Type /obwt for usage.')
+	SlashCmdList['OBWT'] = function()
+		local msg = 'To use OBWT addon, create a macro and type /script obwt();'
+		DEFAULT_CHAT_FRAME:AddMessage(msg)
+	end;
+	SLASH_OBWT1 = '/obwt'
+end
+
+function obwt()
+	local rage = UnitMana('player')
+	local bloodthirst = 'Ability_Warrior_Bloodthirst'
+	local revenge = 'Ability_Warrior_Revenge'
+	local sunderArmor = 'Ability_Warrior_SunderArmor'
+	local rend = 'Ability_Warrior_Rend'
+	local battleShout = 'Ability_Warrior_BattleShout'
+	local heroicStrike = 'Ability_Warrior_HeroicStrike'
+
+	TargetNearestEnemy()
+	if UnitExists('target') and UnitCanAttack('player','target') then
+		AttackTarget()
+		if rage < 15 == nil and isUsable(bloodthirst) then
+			CastSpellByName('Bloodthirst')
+		elseif buffed('Battle Shout') == nil and isUsable(battleShout) then
+			CastSpellByName('Battle Shout')
+		elseif isUsable(revenge) then
+			CastSpellByName('Revange')
+		elseif isUsable(sunderArmor) then
+			CastSpellByName('Sunder Armor')
+		elseif rage > 50 and buffed('Rend', 'target') == nil and isUsable(rend) then
+			CastSpellByName('Rend')
+		elseif rage > 70 and isUsable(heroicStrike) then
+			CastSpellByName('Heroic Strike')
+		end
+	end
+
+local function isUsable(spellTexture)
+	return IsUsableAction(getSlot(spellTexture))
+end
+
+local function getSlot(spellTexture)
+	for i = 1, 120, 1
+		do
+		if(GetActionTexture(i) ~= nil) then 
+			if(strfind(GetActionTexture(i), spellTexture)) then return i end
+		end
+	end
+	return 0
+end;

OBWT.toc

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+## Interface: 11200
+## Title: OBWT |cff808080by cvtk
+## Author: cvtk
+## Notes: One button warrior tanking.
+## Version: GIT
+
+main.lua

OBWT.xml

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+<UI xmlns="http://www.blizzard.com/wow/ui/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.blizzard.com/wow/ui/ ..\FrameXML\UI.xsd">
+	<Script file="OBWT.lua"/>
+<Frame name="OBWT" enableMouse="false" parent="UIParent">
+	<Scripts>
+		<OnLoad>OBWT_OnLoad();</OnLoad>
+	</Scripts>
+</Frame>
+</UI>