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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.
+*
+* 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.
+*
+*/
+
+/*
+* This code is based on the original source code of Lord Avalot d'Argent version 1.3.
+* Copyright (c) 1994-1995 Mike: Mark and Thomas Thurman.
+*/
+
+#ifndef AVALANCHE_GHOSTROOM_H
+#define AVALANCHE_GHOSTROOM_H
+
+#include "common/scummsys.h"
+
+namespace Avalanche {
+class AvalancheEngine;
+
+class GhostRoom {
+public:
+	GhostRoom(AvalancheEngine *vm);
+
+	void run();
+
+private:
+	AvalancheEngine *_vm;
+
+	static const int8 kAdjustment[5];
+	static const byte kPlaneToUse[4];
+	static const byte kWaveOrder[5];
+	static const byte kGlerkFade[26];
+	static const byte kGreldetFade[18];
+
+	enum FlavourType { ch_EGA, ch_BGI, ch_Natural, ch_Two, ch_One };
+
+	struct ChunkBlockType {
+		FlavourType _flavour;
+		int8 _x, _y;
+		int8 _xl, _yl;
+		int32 _size;
+	};
+
+	typedef byte GlerkType[6][4][35][9];
+	
+	Common::File _f;
+	ChunkBlockType _cb;
+	byte _ghost[5][2][66][26];
+	void *_memLevel;
+	byte _y, _yy, _bit, _xofs;
+	void *_eyes[2];
+	void *_exclamation;
+	void *_aargh[6];
+	void *_bat[3];
+	GlerkType *_glerk;
+	void *_greenEyes[5];
+	void *_greldet[6][2];
+	Common::Point _aarghWhere[6];
+	int16 _gd, _gm;
+	bool _gb;
+	byte _glerkStage;
+	int16 _batX, _batY;
+	uint16 _batCount;
+	int8 _aarghCount;
+	int16 _greldetX, _greldetY;
+	byte _greldetCount;
+	bool _redGreldet;
+
+	void plainGrab();
+	void getMe(void *p);
+	void getMeAargh(byte which);
+	void wait(uint16 howLong);
+	void doBat();
+	void bigGreenEyes(byte how);
+};
+
+} // End of namespace Avalanche
+
+#endif // AVALANCHE_GHOSTROOM_H