Initial Version

First feature-complete version with timer and chat announcement. QoL
improvements such as configuration menu to follow.

WereWatch.lua

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+-- WereWatch
+-- by gobbo (@gobbo1008)
+WereWatch = {}
+WereWatch.name = "WereWatch"
+
+function WereWatch:Initialize()
+	self.savedVariables = ZO_SavedVars:New("WereWatchSavedVariables", 1, nil, {})
+	self.werewolf = IsWerewolf()
+	local left = self.savedVariables.left
+	local top = self.savedVariables.top
+	WereWatchUI:ClearAnchors()
+	WereWatchUI:SetAnchor(TOPLEFT, GuiRoot, TOPLEFT, left, top)
+end -- function
+
+-- Load handler
+function WereWatch.OnAddOnLoaded(event, addonName)
+	if addonName == WereWatch.name then
+		WereWatch:Initialize()
+	end -- if
+end -- function
+
+local timelastrun = 0
+function WereWatch.OnUpdate(timerun)
+	if WereWatch.running then
+		if (timerun - timelastrun) >= 0.1 then
+			timelastrun = timerun
+			WereWatchUILabel:SetText(WereWatch.ToMinSec(GetTimeStamp() - WereWatch.startTime))
+		end -- if timerun - timelastrun
+	elseif ((timerun - timelastrun) >= 5) and ((timerun - timelastrun) <= 6) then
+		WereWatchUI:SetHidden(true)
+	end -- if WereWatch.running
+end -- function
+
+function WereWatch.OnIndicatorMoveStop()
+	WereWatch.savedVariables.left = WereWatchUI:GetLeft()
+	WereWatch.savedVariables.top = WereWatchUI:GetTop()
+end -- function
+
+function WereWatch.OnWerewolfStateChanged(eventCode, werewolf)
+	if werewolf ~= WereWatch.werewolf then
+		-- state changed from previous
+		WereWatch.werewolf = werewolf
+		if werewolf then
+			-- player turned into werewolf
+			-- start the stopwatch
+			WereWatch.startTime = GetTimeStamp()
+			WereWatch.running = true
+			WereWatchUI:SetHidden(false)
+		else
+			-- player turned into human again
+			-- stop the stopwatch
+			WereWatch.stopTime = GetTimeStamp()
+			WereWatch.running = false
+			-- calculate time difference and break down into minutes and seconds
+			WereWatch.deltaTime = GetDiffBetweenTimeStamps(WereWatch.stopTime, WereWatch.startTime)
+			-- announce to player
+			d("[WereWatch] You held your werewolf form for ".. WereWatch.ToMinSec(WereWatch.deltaTime) .. ".")
+		end -- if werewolf
+	end -- if werewolf ~= WereWatch.werewolf
+end -- function
+
+function WereWatch.ToMinSec(timestamp)
+	timestamp = math.floor(timestamp)
+	local minutes = math.floor(timestamp/60)
+	if minutes < 10 then
+		minutes = "0" .. minutes
+	end -- if
+	local seconds = timestamp % 60
+	if seconds < 10 then
+		seconds = "0" .. seconds
+	end -- if
+	return minutes .. ":" .. seconds
+end -- function
+
+SLASH_COMMANDS["/ww"] = function(arg)
+	if arg == "show" then
+		WereWatchUI:SetHidden(false)
+	elseif arg == "hide" then
+		WereWatchUI:SetHidden(true)
+	elseif arg == "start" then
+		WereWatch.OnWerewolfStateChanged("debug", true)
+	elseif arg == "stop" then
+		WereWatch.OnWerewolfStateChanged("debug", false)
+	elseif arg == "pos" then
+		d("[WereWatch] Timer position: " .. WereWatchUI:GetLeft() .. ", " .. WereWatchUI:GetTop())
+	end -- if
+end -- function
+
+EVENT_MANAGER:RegisterForEvent(WereWatch.name, EVENT_ADD_ON_LOADED, WereWatch.OnAddOnLoaded)
+EVENT_MANAGER:RegisterForEvent(WereWatch.name, EVENT_WEREWOLF_STATE_CHANGED, WereWatch.OnWerewolfStateChanged)

WereWatch.txt

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+## Title: WereWatch
+## APIVersion: 100018
+## SavedVariables: WereWatchSavedVariables
+
+WereWatch.xml
+WereWatch.lua

WereWatch.xml

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+<GuiXml>
+	<Controls>
+		<TopLevelControl name="WereWatchUI" mouseEnabled="true" movable="true" clampedToScreen="true" hidden="true">
+			<Dimensions x="200" y="24" />
+			<Anchor point="BOTTOM" relativeTo="GuiRoot" relativePoint="CENTER" offsetY="-20" />
+
+			<OnUpdate>
+				WereWatch.OnUpdate(time)
+			</OnUpdate>
+			<OnMoveStop>
+				WereWatch.OnIndicatorMoveStop()
+			</OnMoveStop>
+
+			<Controls>
+				<Label name="$(parent)Label" width="200" height="24" font="ZoFontWinT1" inheritAlpha="true" color="FFFFFF" wrapMode="TRUNCATE" verticalAlignment="TOP" horizontalAlignment="CENTER" text="WereWatch">
+					<Anchor point="TOP" relativeTo="$(parent)" relativePoint="TOP" />
+				</Label>
+			</Controls>
+		</TopLevelControl>
+	</Controls>
+</GuiXml>