move 'key:escape' handler to Lua

res/scripts/stdlib.lua

@@ -385,6 +385,15 @@ function __vc_on_hud_open()
             hud.show_overlay("core:console", false, {"chat"})
         end)
     end)
+    input.add_callback("key:escape", function()
+        if hud.is_paused() then
+            hud.resume()
+        elseif hud.is_inventory_open() then
+            hud.close_inventory()
+        else
+            hud.pause()
+        end
+    end)
 end
 
 local RULES_FILE = "world:rules.toml"

src/frontend/hud.cpp

@@ -201,17 +201,6 @@ Hud::Hud(Engine& engine, LevelFrontend& frontend, Player& player)
             "' pos='0' size='256' gravity='top-right' margin='0,20,0,0'/>"
         );
     add(HudElement(hud_element_mode::permanent, nullptr, debugMinimap, true));
-
-    keepAlive(Events::keyCallbacks[keycode::ESCAPE].add([this]() -> bool {
-        if (pause) {
-            setPause(false);
-        } else if (inventoryOpen) {
-            closeInventory();
-        } else {
-            setPause(true);
-        }
-        return false;
-    }));
 }
 
 Hud::~Hud() {