merge with niels/rendering

1 files changed, 12 insertions, 11 deletions

diff --git a/src/crepe/RenderSystem.cpp b/src/crepe/RenderSystem.cpp
index 6aae3bb..b5503d3 100644
--- a/src/crepe/RenderSystem.cpp
+++ b/src/crepe/RenderSystem.cpp
@@ -6,7 +6,6 @@
 #include "api/Sprite.h"
 #include "api/Transform.h"
 #include "util/log.h"
-#include <cstddef>
 #include <functional>
 #include <vector>
 
@@ -17,25 +16,27 @@ RenderSystem::RenderSystem() { dbg_trace(); }
 
 RenderSystem::~RenderSystem() { dbg_trace(); }
 
-RenderSystem& RenderSystem::get_instance(){
+RenderSystem & RenderSystem::get_instance() {
 	static RenderSystem instance;
 	return instance;
 }
 
 void RenderSystem::update() {
 
-	ComponentManager& mgr = ComponentManager::get_instance();
-	
-	std::vector<std::reference_wrapper<Sprite>> sprites = mgr.get_components_by_type<Sprite>();
-	std::vector<std::reference_wrapper<Transform>> transforms = mgr.get_components_by_type<Transform>();
+	ComponentManager & mgr = ComponentManager::get_instance();
 
-	SdlContext& render = SdlContext::get_instance();
+	std::vector<std::reference_wrapper<Sprite>> sprites
+		= mgr.get_components_by_type<Sprite>();
+
+	SdlContext & render = SdlContext::get_instance();
 	render.clear_screen();
 
-	for (size_t i = 0; i < sprites.size(); ++i) {
-			render.draw(sprites[i].get(), transforms[i].get());
-	}
+	for (const Sprite & sprite : sprites) {
+		std::vector<std::reference_wrapper<Transform>> transforms = mgr.get_components_by_id<Transform>(sprite.gameObjectId);
+		for (const Transform& transform : transforms) {
+			render.draw(sprite, transform);
+		}
 
+	}
 	render.present_screen();
-
 }