1 files changed, 83 insertions, 0 deletions
diff --git a/src/crepe/system/RenderSystem.h b/src/crepe/system/RenderSystem.h
new file mode 100644
index 0000000..656ad5b
--- /dev/null
+++ b/src/crepe/system/RenderSystem.h
@@ -0,0 +1,83 @@
+#pragma once
+
+#include <cmath>
+
+#include "System.h"
+#include "types.h"
+
+namespace crepe {
+
+class Camera;
+class Sprite;
+class Transform;
+class Text;
+/**
+ * \brief Manages rendering operations for all game objects.
+ *
+ * RenderSystem is responsible for rendering, clearing and presenting the screen, and
+ * managing the active camera.
+ */
+class RenderSystem : public System {
+public:
+	using System::System;
+	/**
+	 * \brief Updates the RenderSystem for the current frame.
+	 * This method is called to perform all rendering operations for the current game frame.
+	 */
+	void frame_update() override;
+
+private:
+	//! Clears the screen in preparation for rendering.
+	void clear_screen();
+
+	//! Presents the rendered frame to the display.
+	void present_screen();
+
+	//! Updates the active camera used for rendering.
+	void update_camera();
+
+	//! Renders the whole screen
+	void render();
+
+	/**
+	 * \brief Renders all the particles on the screen from a given sprite.
+	 *
+	 * \param sprite renders the particles with given texture
+	 * \param tm the Transform component for scale. This is not a const reference because each
+	 *  particle has a position and rotation that needs to overwrite the transform position and
+	 *  rotation without overwriting the current transform. and because the transform
+	 *  constructor is now protected i cannot make tmp inside
+	 * \return true if particles have been rendered
+	 */
+	bool render_particle(const Sprite & sprite, const double & scale);
+	/**
+	 * \brief Renders all Text components
+	 *
+	 * \param text The text component to be rendered.
+	 * \param tm the Transform component that holds the position,rotation and scale
+	 */
+	void render_text(Text & text, const Transform & tm);
+	/**
+	 * \brief renders a sprite with a Transform component on the screen
+	 *
+	 * \param sprite  the sprite component that holds all the data
+	 * \param tm the Transform component that holds the position,rotation and scale
+	 */
+	void render_normal(const Sprite & sprite, const Transform & tm);
+
+	/**
+	 * \brief sort a vector sprite objects with
+	 *
+	 * \param objs the vector that will do a sorting algorithm on
+	 * \return returns a sorted reference vector
+	 */
+	RefVector<Sprite> sort(RefVector<Sprite> & objs) const;
+
+	/**
+	 * \todo Add text rendering using SDL_ttf for text components.
+	 * \todo Implement a text component and a button component.
+	 * \todo Consider adding text input functionality.
+	 */
+};
+
+} // namespace crepe