Remove default render target of nullptr.

examples/snake/src/main.cpp

@@ -77,34 +77,11 @@ public:
         }
     }
 
-    void Render(sf::RenderTarget* target = nullptr) override {
+    void Render(sf::RenderTarget* target) override {
         target->draw(shape);
     }
 };
 
-/*class PlayerEvent : public simpleengine::Event {
-private:
-    SnakePlayerEntity snake_player;
-public:
-    explicit PlayerEvent(sf::RenderWindow* window) : simpleengine::Event(window),
-        snake_player(SnakePlayerEntity(window->getSize())) {
-    }
-
-    void CheckForQuit() override {
-        if (sf::Keyboard::isKeyPressed(sf::Keyboard::Escape)) {
-            quit = true;
-        }
-    }
-
-    void Update(const float& delta_time) override {
-        snake_player.Update(delta_time);
-    }
-
-    void Render(sf::RenderTarget* target = nullptr) override {
-        snake_player.Render(target);
-    }
-};*/
-
 int main(int argc, char *argv[]) {
     simpleengine::Game game(500, 500, "First Example");
     game.AddEvent(new simpleengine::EntityEvent(game.GetWindow(), new SnakePlayerEntity(game.GetWindow()->getSize())));

include/simpleengine/component.h

@@ -17,7 +17,7 @@ namespace simpleengine {
         virtual ~Component() = default;
 
         virtual void Update(const float& delta_time) = 0;
-        virtual void Render(sf::RenderTarget* target = nullptr) {}; // Most components won't need to be rendered.
+        virtual void Render(sf::RenderTarget* target) {}; // Most components won't need to be rendered.
     protected:
         Entity* owning_entity;
     };

include/simpleengine/entity.h

@@ -24,7 +24,7 @@ namespace simpleengine {
 
         virtual void Move(const float& delta_time, const float& x, const float& y) {};
         virtual void Update(const float& delta_time) = 0;
-        virtual void Render(sf::RenderTarget* target = nullptr) = 0;
+        virtual void Render(sf::RenderTarget* target) = 0;
         virtual void Destroying() {}; // Called when the entity is about to be destroyed.
 
         void DestroyEntity() {

include/simpleengine/event.h

@@ -23,7 +23,7 @@ namespace simpleengine {
         virtual void CheckForQuit() = 0; // Ran every Update to check if we're gonna quit.
         virtual void Quiting() {} // Ran when a State is about to be destroyed.
         virtual void Update(const float& delta_time) = 0;
-        virtual void Render(sf::RenderTarget* target = nullptr) = 0;
+        virtual void Render(sf::RenderTarget* target) = 0;
     protected:
         sf::RenderWindow* window;
         bool quit = false;

include/simpleengine/events/entity_event.h

@@ -31,7 +31,7 @@ namespace simpleengine {
             entity->Update(delta_time);
         }
 
-        void Render(sf::RenderTarget* target = nullptr) override {
+        void Render(sf::RenderTarget* target) override {
             entity->Render(target);
         }
     private: