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diff --git a/engines/pegasus/items/biochips/opticalchip.h b/engines/pegasus/items/biochips/opticalchip.h
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+++ b/engines/pegasus/items/biochips/opticalchip.h
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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * Additional copyright for this file:
+ * Copyright (C) 1995-1997 Presto Studios, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef PEGASUS_ITEMS_BIOCHIPS_OPTICALCHIP_H
+#define PEGASUS_ITEMS_BIOCHIPS_OPTICALCHIP_H
+
+#include "pegasus/hotspot.h"
+#include "pegasus/util.h"
+#include "pegasus/items/biochips/biochipitem.h"
+
+namespace Pegasus {
+
+class OpticalChip : public BiochipItem {
+public:
+	OpticalChip(const ItemID, const NeighborhoodID, const RoomID, const DirectionConstant);
+	virtual ~OpticalChip();
+
+	virtual void writeToStream(Common::WriteStream *);
+	virtual void readFromStream(Common::ReadStream *);
+
+	void addAries();
+	void addMercury();
+	void addPoseidon();
+
+	void activateOpticalHotspots();
+	void clickInOpticalHotspot(HotSpotID);
+	void playOpMemMovie(HotSpotID);
+
+protected:
+	enum {
+		kOpticalAriesExposed,
+		kOpticalMercuryExposed,
+		kOpticalPoseidonExposed,
+		kNumOpticalChipFlags
+	};
+	
+	void setUpOpticalChip();
+	
+	FlagsArray<byte, kNumOpticalChipFlags> _opticalFlags;
+	Hotspot _ariesHotspot;
+	Hotspot _mercuryHotspot;
+	Hotspot _poseidonHotspot;
+};
+
+extern OpticalChip *g_opticalChip;
+
+} // End of namespace Pegasus
+
+#endif