Add Entity::RenderComponents and Entity::HasComponent

include/simpleengine/entity.h

@@ -30,10 +30,8 @@ namespace simpleengine {
         virtual void Move(const float& delta_time, const sf::Vector2f& offset) {};
         virtual void Move(const sf::Vector2f& offset) {};
 
-        virtual void Render(sf::RenderTarget* target) = 0;
-        virtual void Update(const float& delta_time) {
-            UpdateComponents(delta_time);
-        };
+        virtual void Render(sf::RenderTarget* target);
+        virtual void Update(const float& delta_time);
 
         // Called when the entity is about to be destroyed.
         // Make sure to call this in your extending Entity.
@@ -41,7 +39,19 @@ namespace simpleengine {
         void DestroyLater(); // In most cases, this will be ran next EntityEvent::Update()
         const bool& IsGettingDestroyed() const;
 
+        template<typename T>
+        bool HasComponent() {
+            for (std::unique_ptr<Component>& comp : components) {
+                if (dynamic_cast<T*>(comp.get())) {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
         void UpdateComponents(const float& delta_time);
+        void RenderComponents(sf::RenderTarget* target);
         void AddComponent(std::unique_ptr<Component> component);
     protected:
         std::vector<std::unique_ptr<Component>> components;

src/entity.cpp

@@ -7,6 +7,14 @@
 #include "entity.h"
 #include "component.h"
 
+void simpleengine::Entity::Render(sf::RenderTarget *target) {
+    RenderComponents(target);
+}
+
+void simpleengine::Entity::Update(const float &delta_time) {
+    UpdateComponents(delta_time);
+}
+
 void simpleengine::Entity::UpdateComponents(const float& delta_time) {
     for (std::unique_ptr<Component>& component : components) {
         component->Update(delta_time);
@@ -17,6 +25,12 @@ void simpleengine::Entity::UpdateComponents(const float& delta_time) {
     }
 }
 
+void simpleengine::Entity::RenderComponents(sf::RenderTarget* target) {
+    for (std::unique_ptr<Component>& component : components) {
+        component->Render(target);
+    }
+}
+
 void simpleengine::Entity::AddComponent(std::unique_ptr<Component> component) {
     components.push_back(std::move(component));
 }