feedback from PR#38 implemented

3 files changed, 8 insertions, 12 deletions

diff --git a/src/crepe/facade/SDLContext.h b/src/crepe/facade/SDLContext.h
index 007092b..d437bc4 100644
--- a/src/crepe/facade/SDLContext.h
+++ b/src/crepe/facade/SDLContext.h
@@ -21,8 +21,6 @@ namespace crepe {
 // typedef is unusable when crepe is packaged. Wouter will fix this later.
 typedef SDL_Keycode CREPE_KEYCODES;
 
-class Texture;
-class LoopManager;
 
 /**
  * \class SDLContext
@@ -91,9 +89,6 @@ private:
 	//! Will use the funtions: texture_from_path, get_width,get_height.
 	friend class Texture;
 
-	//! Will use the funtions: texture_from_path, get_width,get_height.
-	friend class Animator;
-
 	/**
 	 * \brief Loads a texture from a file path.
 	 * \param path Path to the image file.
diff --git a/src/crepe/system/RenderSystem.cpp b/src/crepe/system/RenderSystem.cpp
index bf5dade..11c20f5 100644
--- a/src/crepe/system/RenderSystem.cpp
+++ b/src/crepe/system/RenderSystem.cpp
@@ -22,7 +22,7 @@ void RenderSystem::update_camera() {
 
 	for (Camera & cam : cameras) {
 		SDLContext::get_instance().camera(cam);
-		this->curr_cam = &cam;
+		this->curr_cam_ref = &cam;
 	}
 }
 
@@ -35,7 +35,6 @@ bool sorting_comparison(const Sprite & a, const Sprite & b) {
 
 std::vector<std::reference_wrapper<Sprite>>
 RenderSystem::sort(std::vector<std::reference_wrapper<Sprite>> & objs) {
-	if (objs.empty()) return {};
 
 	std::vector<std::reference_wrapper<Sprite>> sorted_objs(objs);
 	std::sort(sorted_objs.begin(), sorted_objs.end(), sorting_comparison);
@@ -52,7 +51,7 @@ void RenderSystem::render_sprites() {
 	SDLContext & render = SDLContext::get_instance();
 	for (const Sprite & sprite : sorted_sprites) {
 		auto transforms = mgr.get_components_by_id<Transform>(sprite.game_object_id);
-		render.draw(sprite, transforms[0], *curr_cam);
+		render.draw(sprite, transforms[0], *this->curr_cam_ref);
 	}
 }
 
diff --git a/src/crepe/system/RenderSystem.h b/src/crepe/system/RenderSystem.h
index 7661cbd..1176b06 100644
--- a/src/crepe/system/RenderSystem.h
+++ b/src/crepe/system/RenderSystem.h
@@ -1,12 +1,14 @@
 #pragma once
 
-#include "api/Camera.h"
 
-#include "System.h"
-#include "api/Sprite.h"
 #include <functional>
 #include <vector>
 
+#include "api/Sprite.h"
+#include "api/Camera.h"
+
+#include "System.h"
+
 namespace crepe {
 
 /**
@@ -54,7 +56,7 @@ private:
 
 private:
 	//! Pointer to the current active camera for rendering
-	Camera * curr_cam = nullptr;
+	Camera * curr_cam_ref = nullptr;
 	// TODO: needs a better solution
 };