Fix Entity functions sofar

src/entity_i.cpp

@@ -7,14 +7,17 @@
 #include <vector>
 
 template <typename CompT, typename... Args>
-Component *Entity::AddComponent(Args &&...args) {
-  components.push_back(std::make_unique<CompT>(std::forward<Args>(args)...));
-  return components.back().get();
+CompT *Entity::AddComponent(Args &&...args) {
+  CompT *component = new CompT(std::forward<Args>(args)...);
+  component->owner = this;
+  components.emplace_back(component);
+  return component;
 }
 
 template <typename CompT> CompT *Entity::GetComponent() {
-  for (const auto &comp_ptr : components) {
-    return dynamic_cast<CompT *>(comp_ptr.get());
+  for (auto &comp_ptr : components) {
+    if (CompT *casted = dynamic_cast<CompT *>(comp_ptr.get()))
+      return casted;
   }
 }