SDK: Add StateMachine (FSM)

Former-commit-id: 8029f7cce71809ff1f661982d39750c48c86431f

SDK/include/NDK/State.hpp

@@ -0,0 +1,28 @@
+// Copyright (C) 2015 Jérôme Leclercq
+// This file is part of the "Nazara Development Kit"
+// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
+
+#pragma once
+
+#ifndef NDK_STATE_HPP
+#define NDK_STATE_HPP
+
+#include <NDK/Prerequesites.hpp>
+
+namespace Ndk
+{
+	class StateMachine;
+
+	class State
+	{
+		public:
+			State();
+			~State();
+
+			virtual void Enter(StateMachine& fsm) = 0;
+			virtual void Leave(StateMachine& fsm) = 0;
+			virtual bool Update(StateMachine& fsm, float elapsedTime) = 0;
+	};
+}
+
+#endif // NDK_STATE_HPP