Add clear error message for someone trying to re-init the mod on a save.

changelog.txt

@@ -1,4 +1,9 @@
 ---------------------------------------------------------------------------------------------------
+Version: 2.1.5
+Date: 2024-11-01
+  Changes:
+    - Provide a clear error message that it is NOT supported if the mod is removed and re-added.
+---------------------------------------------------------------------------------------------------
 Version: 2.1.4
 Date: 2024-10-29
   Bugfixes:

control.lua

@@ -42,6 +42,14 @@ require("lib/oarc_tests")
 -- On Init - Only runs once the first time the game starts
 --------------------------------------------------------------------------------
 script.on_init(function(event)
+
+    -- If init has already been run, we immediately hard error.
+    -- This is NOT supported. Checking for this force is just an easy dumb way to do it.
+    if (game.forces[ABANDONED_FORCE_NAME] ~= nil) then
+        error("It appears as though this mod is trying to re-run on_init. If you removed the mod and re-added it again, this is NOT supported. You have to rollback to a previous save where the mod was enabled.")
+        return
+    end
+
     ValidateAndLoadConfig()
     RegrowthInit()
 

info.json

@@ -1,6 +1,6 @@
 {
   "name": "oarc-mod",
-  "version": "2.1.4",
+  "version": "2.1.5",
   "factorio_version": "2.0",
   "title": "Oarc Multiplayer Spawn",
   "author": "Oarcinae",