collect lua garbage before starter destroy. register sol ptrs.

headers/enduro2d/high/_high.hpp

@@ -75,6 +75,10 @@ namespace e2d
     class atlas;
     class flipbook;
     class gobject;
+    template < typename T >
+    class gcomponent;
+    template < typename T >
+    class const_gcomponent;
     class model;
     class node;
     class prefab;
@@ -86,3 +90,51 @@ namespace e2d
     class starter;
     class world;
 }
+
+namespace sol
+{
+    template < typename T >
+    struct unique_usertype_traits<e2d::intrusive_ptr<T>> {
+        using type = T;
+        using actual_type = e2d::intrusive_ptr<T>;
+        static const bool value = true;
+
+        static bool is_null(const actual_type& ptr) {
+            return !ptr;
+        }
+
+        static type* get(actual_type& ptr) {
+            return ptr.get();
+        }
+    };
+
+    template < typename T >
+    struct unique_usertype_traits<e2d::gcomponent<T>> {
+        using type = T;
+        using actual_type = e2d::gcomponent<T>;
+        static const bool value = true;
+
+        static bool is_null(const actual_type& ptr) {
+            return !ptr;
+        }
+
+        static type* get(actual_type& ptr) {
+            return ptr.find();
+        }
+    };
+
+    template < typename T >
+    struct unique_usertype_traits<e2d::const_gcomponent<T>> {
+        using type = T;
+        using actual_type = e2d::const_gcomponent<T>;
+        static const bool value = true;
+
+        static bool is_null(const actual_type& ptr) {
+            return !ptr;
+        }
+
+        static type* get(actual_type& ptr) {
+            return ptr.find();
+        }
+    };
+}

headers/enduro2d/high/luasol.hpp

@@ -17,6 +17,8 @@ namespace e2d
         luasol();
         ~luasol() noexcept final = default;
 
+        void collect_garbage();
+
         template < typename F  >
         decltype(auto) with_state(F&& f);
         template < typename F >

sources/enduro2d/high/luasol.cpp

@@ -25,6 +25,10 @@ namespace e2d
         bindings::bind_high(state_);
     }
 
+    void luasol::collect_garbage() {
+        state_.collect_garbage();
+    }
+
     std::optional<script> luasol::load_script(buffer_view src) {
         E2D_ASSERT(is_in_main_thread());
 

sources/enduro2d/high/starter.cpp

@@ -48,9 +48,9 @@ namespace
         bool initialize() final {
             ecs::registry_filler(the<world>().registry())
                 .system<flipbook_system>(world::priority_pre_update)
-                .system<label_system>(world::priority_pre_update)
                 .system<spine_pre_system>(world::priority_pre_update)
                 .system<spine_post_system>(world::priority_post_update)
+                .system<label_system>(world::priority_pre_render)
                 .system<render_system>(world::priority_render);
             return !application_ || application_->initialize();
         }
@@ -158,6 +158,8 @@ namespace e2d
     }
 
     starter::~starter() noexcept {
+        the<luasol>().collect_garbage();
+
         modules::shutdown<world>();
         modules::shutdown<library>();
         modules::shutdown<factory>();