merge `master` into `loek/savemgr`

1 files changed, 50 insertions, 0 deletions

diff --git a/src/crepe/api/SceneManager.h b/src/crepe/api/SceneManager.h
new file mode 100644
index 0000000..1e0e670
--- /dev/null
+++ b/src/crepe/api/SceneManager.h
@@ -0,0 +1,50 @@
+#pragma once
+
+#include <memory>
+#include <queue>
+#include <vector>
+
+#include "Scene.h"
+
+namespace crepe {
+
+class SceneManager {
+public:
+	// Singleton
+	static SceneManager & get_instance();
+	SceneManager(const SceneManager &) = delete;
+	SceneManager(SceneManager &&) = delete;
+	SceneManager & operator=(const SceneManager &) = delete;
+	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() = default;
+
+private:
+	std::vector<std::unique_ptr<Scene>> scenes;
+	std::string next_scene;
+};
+
+} // namespace crepe
+
+#include "SceneManager.hpp"