miscellaneous fixes

res/layouts/ingame_chat.xml.lua

@@ -9,7 +9,9 @@ local animation_fps = 30
 
 local function remove_line(line)
     document[line[1]]:destruct()
-    time.post_runnable(function() document.root:reposition() end)
+    time.post_runnable(function() 
+        if world.is_open() then document.root:reposition() end
+    end)
 end
 
 local function update_line(line, uptime)

res/modules/internal/gui_util.lua

@@ -47,7 +47,7 @@ function gui_util.add_page_dispatcher(dispatcher)
     table.insert(gui_util.local_dispatchers, dispatcher)
 end
 
-function gui_util.reset_local()
+function gui_util.__reset_local()
     gui_util.local_dispatchers = {}
 end
 

res/modules/internal/stdcomp.lua

@@ -132,5 +132,8 @@ return {
             end
             return values
         end
+    end,
+    __reset = function()
+        entities = {}
     end
 }

res/scripts/stdlib.lua

@@ -343,8 +343,8 @@ function __vc_on_hud_open()
         end)
     end)
     input.add_callback("key:escape", function()
-        if hud.is_paused() then
-            hud.resume()
+        if menu.page ~= "" then
+            menu:reset()
         elseif hud.is_inventory_open() then
             hud.close_inventory()
         else
@@ -375,7 +375,8 @@ end
 
 function __vc_on_world_quit()
     _rules.clear()
-    gui_util:reset_local()
+    gui_util:__reset_local()
+    stdcomp.__reset()
 end
 
 local __vc_coroutines = {}

src/frontend/screens/LevelScreen.cpp

@@ -117,7 +117,9 @@ void LevelScreen::initializePack(ContentPackRuntime* pack) {
 }
 
 LevelScreen::~LevelScreen() {
+    if (!controller->getLevel()->getWorld()->isNameless()) {
         saveWorldPreview();
+    }
     scripting::on_frontend_close();
     // unblock all bindings
     Events::enableBindings();