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include/Nazara/Core/Hashable.hpp

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+// Copyright (C) 2012 Jérôme Leclercq
+// This file is part of the "Nazara Engine".
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef HASHABLE_HPP_INCLUDED
+#define HASHABLE_HPP_INCLUDED
+
+#include <Nazara/Prerequesites.hpp>
+
+enum nzHash
+{
+	nzHash_CRC32,
+	nzHash_Fletcher16,
+	nzHash_MD5,
+	nzHash_Whirlpool
+};
+
+class NzHash;
+class NzHashDigest;
+class NzHashImpl;
+
+class NAZARA_API NzHashable
+{
+	friend class NzHash;
+
+	public:
+		NzHashable() = default;
+		virtual ~NzHashable() {}
+
+		NzHashDigest GetHash(nzHash hash) const;
+		NzHashDigest GetHash(NzHashImpl* impl) const;
+
+	private:
+		virtual bool FillHash(NzHashImpl* impl) const = 0;
+};
+
+#endif // HASHABLE_HPP_INCLUDED