feat: loading entities (WIP)

src/data/dynamic.cpp

@@ -55,9 +55,9 @@ integer_t List::integer(size_t index) const {
     }
 }
 
-Map* List::map(size_t index) const {
+const Map_sptr& List::map(size_t index) const {
     if (auto* val = std::get_if<Map_sptr>(&values[index])) {
-        return val->get();
+        return *val;
     } else {
         throw std::runtime_error("type error");
     }
@@ -192,11 +192,11 @@ void Map::num(const std::string& key, uint& dst) const {
     dst = get(key, static_cast<integer_t>(dst));
 }
 
-Map* Map::map(const std::string& key) const {
+Map_sptr Map::map(const std::string& key) const {
     auto found = values.find(key);
     if (found != values.end()) {
         if (auto* val = std::get_if<Map_sptr>(&found->second)) {
-            return val->get();
+            return *val;
         }
     }
     return nullptr;

src/data/dynamic.hpp

@@ -47,7 +47,7 @@ namespace dynamic {
         std::string str(size_t index) const;
         number_t num(size_t index) const;
         integer_t integer(size_t index) const;
-        Map* map(size_t index) const;
+        const Map_sptr& map(size_t index) const;
         List* list(size_t index) const;
         bool flag(size_t index) const;
 
@@ -114,7 +114,7 @@ namespace dynamic {
         void num(const std::string& key, uint64_t& dst) const;
         void num(const std::string& key, ubyte& dst) const;
         void num(const std::string& key, double& dst) const;
-        Map* map(const std::string& key) const;
+        Map_sptr map(const std::string& key) const;
         List* list(const std::string& key) const;
         void flag(const std::string& key, bool& dst) const;
 

src/data/dynamic_util.hpp

@@ -25,6 +25,15 @@ namespace dynamic {
         }
         return list;
     }
+
+    template<int n>
+    void get_vec(const dynamic::Map_sptr& root, const std::string& name, glm::vec<n, float>& vec) {
+        if (const auto& list = root->list(name)) {
+            for (size_t i = 0; i < n; i++) {
+                vec[i] = list->num(i);
+            }
+        }
+    }
 }
 
 #endif // DATA_DYNAMIC_UTIL_HPP_