From 3a5201961ce31d415042c6273d03e46aed7e6eb8 Mon Sep 17 00:00:00 2001
From: Loek Le Blansch <loek@pipeframe.xyz>
Date: Wed, 6 Nov 2024 18:38:45 +0100
Subject: fix code standard and merge #19

---
 src/crepe/api/SceneManager.cpp | 41 +++++++++++++++++++++++++----------------
 src/crepe/api/SceneManager.h   | 16 +++++++++++++++-
 src/crepe/api/SceneManager.hpp |  2 +-
 3 files changed, 41 insertions(+), 18 deletions(-)

diff --git a/src/crepe/api/SceneManager.cpp b/src/crepe/api/SceneManager.cpp
index 08f036d..57ec302 100644
--- a/src/crepe/api/SceneManager.cpp
+++ b/src/crepe/api/SceneManager.cpp
@@ -1,3 +1,6 @@
+#include <algorithm>
+#include <memory>
+
 #include "../ComponentManager.h"
 
 #include "SceneManager.h"
@@ -5,30 +8,36 @@
 using namespace crepe;
 using namespace std;
 
-SceneManager::SceneManager() {}
-
 SceneManager & SceneManager::get_instance() {
 	static SceneManager instance;
 	return instance;
 }
 
-// Set the next scene (this scene will be loaded at the end of the frame)
-void SceneManager::set_next_scene(const std::string & name) {
+void SceneManager::set_next_scene(const string & name) {
 	next_scene = name;
 }
 
-// Load a new scene (if there is one)
 void SceneManager::load_next_scene() {
-	if (!next_scene.empty()) {
-		for (auto & scene : scenes) {
-			if (scene->name == next_scene) {
-				// Delete all components of the current scene
-				ComponentManager & mgr = ComponentManager::get_instance();
-				mgr.delete_all_components();
-				// Load the new scene
-				scene->load_scene();
-				break;
-			}
+	// next scene not set
+	if (this->next_scene.empty())
+		return;
+
+	auto it = find_if(this->scenes.begin(), this->scenes.end(),
+		[&next_scene = this->next_scene] (unique_ptr<Scene> & scene) {
+			return scene->name == next_scene;
 		}
-	}
+	);
+
+	// next scene not found
+	if (it == this->scenes.end())
+		return;
+	unique_ptr<Scene> & scene = *it;
+
+	// Delete all components of the current scene
+	ComponentManager & mgr = ComponentManager::get_instance();
+	mgr.delete_all_components();
+
+	// Load the new scene
+	scene->load_scene();
 }
+
diff --git a/src/crepe/api/SceneManager.h b/src/crepe/api/SceneManager.h
index eaf1ba1..1e0e670 100644
--- a/src/crepe/api/SceneManager.h
+++ b/src/crepe/api/SceneManager.h
@@ -18,13 +18,27 @@ public:
 	SceneManager & operator=(SceneManager &&) = delete;
 
 public:
+	/**
+	 * \brief Add a new concrete scene to the scene manager
+	 *
+	 * \tparam T  Type of concrete scene
+	 * \param name  Name of new scene
+	 */
 	template <typename T>
 	void add_scene(const std::string & name);
+	/**
+	 * \brief Set the next scene
+	 *
+	 * This scene will be loaded at the end of the frame
+	 *
+	 * \param name  Name of the next scene
+	 */
 	void set_next_scene(const std::string & name);
+	//! Load a new scene (if there is one)
 	void load_next_scene();
 
 private:
-	SceneManager();
+	SceneManager() = default;
 
 private:
 	std::vector<std::unique_ptr<Scene>> scenes;
diff --git a/src/crepe/api/SceneManager.hpp b/src/crepe/api/SceneManager.hpp
index e2ba2da..8bad7b2 100644
--- a/src/crepe/api/SceneManager.hpp
+++ b/src/crepe/api/SceneManager.hpp
@@ -2,11 +2,11 @@
 
 namespace crepe {
 
-// Add a new concrete scene to the scene manager
 template <typename T>
 void SceneManager::add_scene(const std::string & name) {
 	static_assert(std::is_base_of<Scene, T>::value,
 				  "T must be derived from Scene");
+
 	scenes.emplace_back(make_unique<T>(name));
 
 	// The first scene added, is the one that will be loaded at the beginning
-- 
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