Adding a state and scene utils

sources/Models/GameState.hpp

@@ -0,0 +1,31 @@
+//
+// Created by Zoe Roux on 5/24/21.
+//
+
+
+#pragma once
+
+#include <unordered_map>
+#include <Scene/Scene.hpp>
+
+
+namespace Bomberman
+{
+	//! @brief A class representing the current game state. This allow one to retain information between update calls.
+	class GameState
+	{
+		//! @brief The list of scenes available.
+		enum SceneID
+		{
+			MainMenu,
+			GameScene
+		};
+
+
+		//! @brief The currently loaded scene
+		SceneID currentScene = MainMenu;
+
+		//! @brief The list of loaded scenes.
+		std::unordered_map<SceneID, WAL::Scene> _loadedScenes = {};
+	};
+}