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RelationshipsThreatPlates.toc

@@ -2,7 +2,7 @@
 ## Title: RelationshipsThreatPlates - OctoWoW
 ## Notes: OctoWoW-compatible RelationshipsThreatPlates
 ## Author: Relationship
-## Version: 1.4
+## Version: 1.5
 ## SavedVariables: RelationshipsThreatPlatesDB
 ## X-Website: https://github.com/Relationship-OctoWoW/RelationshipsThreatPlates
 ## X-GitHub: https://github.com/Relationship-OctoWoW/RelationshipsThreatPlates

RelationshipsThreatPlates_Core.lua

@@ -111,45 +111,76 @@ local function DeepCopy(src)
     return dst
 end
 
+-- ==================================================================
+-- Ensure SavedVariable table exists and has all default keys.
+-- Safe to call multiple times.
+-- ==================================================================
+local function EnsureDB()
+    if not RelationshipsThreatPlatesDB then
+        RelationshipsThreatPlatesDB = DeepCopy(DEFAULT_CONFIG)
+    else
+        for k, v in pairs(DEFAULT_CONFIG) do
+            if RelationshipsThreatPlatesDB[k] == nil then
+                RelationshipsThreatPlatesDB[k] = DeepCopy(v)
+            end
+        end
+    end
+end
+addon.EnsureDB = EnsureDB
+
+-- In WoW 1.12, SavedVariables are loaded BEFORE the addon's Lua files
+-- execute, so it is safe to initialize the DB at file load. Doing this
+-- here (in addition to ADDON_LOADED) protects against cases where the
+-- installed folder name doesn't match TP_ADDON_NAME exactly
+-- (e.g. "RelationshipsThreatPlates-main" from a GitHub zip), which
+-- would otherwise cause the ADDON_LOADED arg1 check to fail and leave
+-- RelationshipsThreatPlatesDB nil - the root cause of
+-- "attempt to index global 'RelationshipsThreatPlatesDB' a nil value"
+-- reported at RelationshipsThreatPlates_GUI.lua:320.
+EnsureDB()
+
 -- ==================================================================
 -- Event handling
 -- ==================================================================
 addon:RegisterEvent("ADDON_LOADED")
 addon:RegisterEvent("PLAYER_ENTERING_WORLD")
 
+local modulesInitialized = false
+local function InitializeModules()
+    if modulesInitialized then return end
+    modulesInitialized = true
+
+    EnsureDB()
+
+    -- Ensure media textures
+    addon.Media.EnsureTextures()
+
+    -- Initialize modules
+    addon.ThreatEngine:Initialize()
+    addon.Threat:Initialize()
+    addon.Nameplates:Initialize()
+    addon.GUI:Initialize()
+
+    addon:ui_print("v" .. TP_VERSION .. " loaded! Type /tp for options.")
+end
+
 addon:SetScript("OnEvent", function()
-    if event == "ADDON_LOADED" and arg1 == TP_ADDON_NAME then
-        -- Initialize saved variables with defaults
-        if not RelationshipsThreatPlatesDB then
-            RelationshipsThreatPlatesDB = DeepCopy(DEFAULT_CONFIG)
-        else
-            -- Merge in any missing keys from defaults
-            for k, v in pairs(DEFAULT_CONFIG) do
-                if RelationshipsThreatPlatesDB[k] == nil then
-                    RelationshipsThreatPlatesDB[k] = DeepCopy(v)
-                end
-            end
-        end
-
-        -- Ensure media textures
-        addon.Media.EnsureTextures()
-
-        -- Initialize modules
-        addon.ThreatEngine:Initialize()
-        addon.Threat:Initialize()
-        addon.Nameplates:Initialize()
-        addon.GUI:Initialize()
-
-        addon:ui_print("v" .. TP_VERSION .. " loaded! Type /tp for options.")
+    if event == "ADDON_LOADED" then
+        -- Accept any ADDON_LOADED: this script only runs when our addon
+        -- is loaded, so the first ADDON_LOADED we see is safe to act on.
+        -- This avoids folder-rename issues where arg1 ~= TP_ADDON_NAME.
+        InitializeModules()
 
     elseif event == "PLAYER_ENTERING_WORLD" then
-        -- Force a nameplate scan on entering world
+        -- Safety net: if ADDON_LOADED was somehow missed, initialize now.
+        InitializeModules()
         if RelationshipsThreatPlatesDB and RelationshipsThreatPlatesDB.enabled then
             addon.Nameplates:UpdateAll()
         end
     end
 end)
 
+
 -- ==================================================================
 -- Slash commands
 -- ==================================================================