runtime_view: minor changes

src/entt/entity/runtime_view.hpp

@@ -55,21 +55,10 @@ namespace entt {
  */
 template<typename Entity>
 class basic_runtime_view final {
-    using underlying_iterator = typename basic_sparse_set<Entity>::iterator;
+    using basic_common_type = basic_sparse_set<Entity>;
+    using underlying_iterator = typename basic_common_type::iterator;
 
     class view_iterator final {
-        friend class basic_runtime_view<Entity>;
-
-        view_iterator(const std::vector<const basic_sparse_set<Entity> *> &cpools, const std::vector<const basic_sparse_set<Entity> *> &ignore, underlying_iterator curr) ENTT_NOEXCEPT
-            : pools{&cpools},
-              filter{&ignore},
-              it{curr}
-        {
-            if(it != (*pools)[0]->end() && !valid()) {
-                ++(*this);
-            }
-        }
-
         [[nodiscard]] bool valid() const {
             return std::all_of(pools->begin()++, pools->end(), [entt = *it](const auto *curr) { return curr->contains(entt); })
                     && std::none_of(filter->cbegin(), filter->cend(), [entt = *it](const auto *curr) { return curr && curr->contains(entt); });
@@ -84,6 +73,16 @@ class basic_runtime_view final {
 
         view_iterator() ENTT_NOEXCEPT = default;
 
+        view_iterator(const std::vector<const basic_common_type *> &cpools, const std::vector<const basic_common_type *> &ignore, underlying_iterator curr) ENTT_NOEXCEPT
+            : pools{&cpools},
+              filter{&ignore},
+              it{curr}
+        {
+            if(it != (*pools)[0]->end() && !valid()) {
+                ++(*this);
+            }
+        }
+
         view_iterator & operator++() {
             while(++it != (*pools)[0]->end() && !valid());
             return *this;
@@ -121,8 +120,8 @@ class basic_runtime_view final {
         }
 
     private:
-        const std::vector<const basic_sparse_set<Entity> *> *pools;
-        const std::vector<const basic_sparse_set<Entity> *> *filter;
+        const std::vector<const basic_common_type *> *pools;
+        const std::vector<const basic_common_type *> *filter;
         underlying_iterator it;
     };
 
@@ -149,7 +148,7 @@ public:
      * @param cpools The storage for the types to iterate.
      * @param epools The storage for the types used to filter the view.
      */
-    basic_runtime_view(std::vector<const basic_sparse_set<Entity> *> cpools, std::vector<const basic_sparse_set<Entity> *> epools) ENTT_NOEXCEPT
+    basic_runtime_view(std::vector<const basic_common_type *> cpools, std::vector<const basic_common_type *> epools) ENTT_NOEXCEPT
         : pools{std::move(cpools)},
           filter{std::move(epools)}
     {
@@ -231,8 +230,8 @@ public:
     }
 
 private:
-    std::vector<const basic_sparse_set<Entity> *> pools;
-    std::vector<const basic_sparse_set<Entity> *> filter;
+    std::vector<const basic_common_type *> pools;
+    std::vector<const basic_common_type *> filter;
 };