diff options
Diffstat (limited to 'src/crepe/ComponentManager.hpp')
| -rw-r--r-- | src/crepe/ComponentManager.hpp | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/crepe/ComponentManager.hpp b/src/crepe/ComponentManager.hpp index e74f2e9..89ed111 100644 --- a/src/crepe/ComponentManager.hpp +++ b/src/crepe/ComponentManager.hpp @@ -30,12 +30,16 @@ T & ComponentManager::add_component(uint32_t id, Args &&... args) { // Create a new component of type T (arguments directly forwarded). The // constructor must be called by ComponentManager. - T * instance_pointer = new T(id, forward<Args>(args)...); - unique_ptr<T> instance = unique_ptr<T>(instance_pointer); + T * instance_ptr = new T(id, forward<Args>(args)...); + if (instance_ptr == nullptr) + throw std::bad_alloc(); + + T & instance_ref = *instance_ptr; + unique_ptr<T> instance = unique_ptr<T>(instance_ptr); // Check if the vector size is not greater than get_instances_max - if (instance->get_instances_max() != -1 - && components[type][id].size() >= instance->get_instances_max()) { + int max_instances = instance->get_instances_max(); + if (max_instances != -1 && components[type][id].size() >= max_instances) { // TODO: Exception throw std::runtime_error( "Exceeded maximum number of instances for this component type"); @@ -44,7 +48,7 @@ T & ComponentManager::add_component(uint32_t id, Args &&... args) { // store its unique_ptr in the vector<> components[type][id].push_back(std::move(instance)); - return *instance; + return instance_ref; } template <typename T> |