Load marker texture by actual addon folder name (case-proof)

api/constants.lua

@@ -1,6 +1,23 @@
 MTH_CONST = MTH_CONST or {}
 MTH_CONST.version = MTH_CONST.version or "2.0.0"
 
+-- Our AddOns folder name as actually installed. Forgejo/Codeberg zip downloads
+-- force the archive's root folder to lowercase (forgejo bug #800), so resolve
+-- the real casing here and build texture paths from it.
+MTH_CONST.addonFolder = MTH_CONST.addonFolder or "MetaHunt"
+if type(GetNumAddOns) == "function" and type(GetAddOnInfo) == "function" then
+	local i = 1
+	local total = GetNumAddOns() or 0
+	while i <= total do
+		local folder = GetAddOnInfo(i)
+		if type(folder) == "string" and string.lower(folder) == "metahunt" then
+			MTH_CONST.addonFolder = folder
+			break
+		end
+		i = i + 1
+	end
+end
+
 MTH_CONST.WEAPON_TYPES = {
 	BOWS = "Bows",
 	CROSSBOWS = "Crossbows",