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mods/auto-stance.lua

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+local _G = ShaguTweaks.GetGlobalEnv()
+local T = ShaguTweaks.T
+local strsplit = ShaguTweaks.strsplit
+
+local module = ShaguTweaks:register({
+  title = T["Auto Stance"],
+  description = T["Automatically switch to the required warrior or druid stance on spell cast."],
+  expansions = { ["vanilla"] = true, ["tbc"] = nil },
+  enabled = true,
+})
+
+module.enable = function(self)
+  local stancedance = CreateFrame("Frame", "ShaguTweaksStancedance")
+  stancedance.scanString = string.gsub(SPELL_FAILED_ONLY_SHAPESHIFT, "%%s", "(.+)")
+  stancedance:RegisterEvent("UI_ERROR_MESSAGE")
+  stancedance:SetScript("OnEvent", function()
+    for stances in string.gfind(arg1, stancedance.scanString) do
+      for _, stance in pairs({ strsplit(",", stances)}) do
+        CastSpellByName(string.gsub(stance,"^%s*(.-)%s*$", "%1"))
+      end
+    end
+  end)
+end