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diff --git a/engines/pegasus/util.h b/engines/pegasus/util.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_MMSHELL_MMIDOBJECT_H
+#define PEGASUS_MMSHELL_MMIDOBJECT_H
+
+#include "pegasus/types.h"
+
+namespace Common {
+	class RandomSource;
+}
+
+namespace Pegasus {
+
+class IDObject {
+public:
+	IDObject(const tMM32BitID id);
+	~IDObject();
+	
+	tMM32BitID getObjectID() const;
+
+private:
+	tMM32BitID _objectID;
+};
+
+class FunctionPtr;
+
+typedef void (*tFunctionPtr)(FunctionPtr *theFunction, void *functionArg);
+
+class FunctionPtr {
+public:
+	FunctionPtr();
+	virtual ~FunctionPtr();
+	
+	void setFunctionPtr(tFunctionPtr function, void *functionArg);
+
+protected:
+	void callFunction();
+	
+	tFunctionPtr _function;
+	void *_functionArg;
+};
+
+int32 linearInterp(const int32 start1, const int32 stop1, const int32 current1, const int32 start2, const int32 stop2);
+
+void shuffleArray(int32 *arr, int32 count, Common::RandomSource &random);
+
+} // End of namespace Pegasus
+
+#endif