2 files changed, 37 insertions, 0 deletions

@@ -0,0 +1,21 @@
+#include "rendering.h"
+#include "entity_manager.h"
+#include "components/sprite_renderable.h"
+#include "components/transformable.h"
+
+void RenderingSystem::tick(EntityManager& manager, float dt)
+{
+  texture.fill(texture.entirety(), 0, 0, 0);
+  
+  std::set<int> spriteEntities = manager.getEntitiesWithComponents<SpriteRenderableComponent, TransformableComponent>();
+  for (int entity : spriteEntities)
+  {
+    auto& sprite = manager.getComponent<SpriteRenderableComponent>(entity);
+    auto& transform = manager.getComponent<TransformableComponent>(entity);
+    Rectangle dstrect {(int) transform.getX(), (int) transform.getY(), transform.getW(), transform.getH()};
+    
+    texture.blit(sprite.getTexture(), sprite.getFrameRect(), dstrect);
+  }
+  
+  texture.renderScreen();
+}
@@ -0,0 +1,16 @@
+#ifndef RENDERING_H_76ABC02A
+#define RENDERING_H_76ABC02A
+
+#include "system.h"
+#include "renderer.h"
+#include "consts.h"
+
+class RenderingSystem : public System {
+  public:
+    void tick(EntityManager& manager, float dt);
+    
+  private:
+    Texture texture {GAME_WIDTH, GAME_HEIGHT};
+};
+
+#endif /* end of include guard: RENDERING_H_76ABC02A */