Move SDK include and source to base

include/NazaraSDK/State.hpp

@@ -0,0 +1,28 @@
+// Copyright (C) 2017 Jérôme Leclercq
+// This file is part of the "Nazara Development Kit"
+// For conditions of distribution and use, see copyright notice in Prerequisites.hpp
+
+#pragma once
+
+#ifndef NDK_STATE_HPP
+#define NDK_STATE_HPP
+
+#include <NazaraSDK/Prerequisites.hpp>
+
+namespace Ndk
+{
+	class StateMachine;
+
+	class NDK_API State
+	{
+		public:
+			State() = default;
+			virtual ~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