Fix #12774: Plugin: Scripts are not reloaded after new scenario (#16686)

distribution/changelog.txt

@@ -27,6 +27,7 @@
 - Change: [#16424] Following an entity in the title sequence no longer toggles underground view when it's underground.
 - Change: [#16493] Boat Hire and Submarine Ride support costs now match their visual appearance.
 - Fix: [#11752] Track pieces with fractional cost are too cheap to build.
+- Fix: [#12774] [Plugin] Scripts will not be re-initialised when a new scenario is loaded from within a running scenario.
 - Fix: [#13336] Can no longer place Bumble Bee track design (reverts #12707).
 - Fix: [#14155] Map Generator sometimes places non-tree objects as trees.
 - Fix: [#14674] Recent Messages only shows first few notifications.

src/openrct2-ui/windows/TopToolbar.cpp

@@ -531,6 +531,7 @@ static void WindowTopToolbarScenarioselectCallback(const utf8* path)
 {
     window_close_by_class(WC_EDITOR_OBJECT_SELECTION);
     GetContext()->LoadParkFromFile(path, false, true);
+    game_load_scripts();
 }
 
 /**

src/openrct2/Context.cpp

@@ -650,6 +650,7 @@ namespace OpenRCT2
                 // so reload the title screen if that happens.
                 loadTitleScreenFirstOnFail = true;
 
+                game_unload_scripts();
                 _objectManager->LoadObjects(result.RequiredObjects);
                 parkImporter->Import();
                 gScenarioSavePath = path;