Added resource managers

Former-commit-id: 9c071230c1e325ec672c9dfe30ee7e498baa1d08

include/Nazara/Core/ResourceManager.hpp

@@ -0,0 +1,43 @@
+// Copyright (C) 2015 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Core module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_RESOURCEMANAGER_HPP
+#define NAZARA_RESOURCEMANAGER_HPP
+
+#include <Nazara/Core/ObjectRef.hpp>
+#include <Nazara/Core/String.hpp>
+#include <unordered_map>
+
+template<typename Type, typename Parameters>
+class NzResourceManager
+{
+	friend Type;
+
+	public:
+		NzResourceManager() = delete;
+		~NzResourceManager() = delete;
+
+		static void Clear();
+
+		static NzObjectRef<Type> Get(const NzString& filePath);
+		static const Parameters& GetDefaultParameters();
+
+		static void Purge();
+		static void Register(const NzString& filePath, NzObjectRef<Type> resource);
+		static void SetDefaultParameters(const Parameters& params);
+		static void Unregister(const NzString& filePath);
+
+	private:
+		static bool Initialize();
+		static void Uninitialize();
+
+		using ManagerMap = std::unordered_map<NzString, NzObjectRef<Type>>;
+		using ManagerParams = Parameters;
+};
+
+#include <Nazara/Core/ResourceManager.inl>
+
+#endif // NAZARA_RESOURCEMANAGER_HPP