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diff --git a/engines/zvision/utility/single_value_container.h b/engines/zvision/utility/single_value_container.h
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--- a/engines/zvision/utility/single_value_container.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.
- *
- * 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 ZVISION_SINGLE_VALUE_CONTAINER_H
-#define ZVISION_SINGLE_VALUE_CONTAINER_H
-
-namespace Common {
-class String;
-}
-
-namespace ZVision {
-
-/**
- * A generic single value storage class. It is useful for storing different
- * value types in a single List, Hashmap, etc.
- */
-class SingleValueContainer {
-public:
-	enum ValueType {
-		BOOL,
-		BYTE,
-		INT16,
-		UINT16,
-		INT32,
-		UINT32,
-		FLOAT,
-		DOUBLE,
-		STRING
-	};
-
-	// Constructors
-	explicit SingleValueContainer(ValueType type);
-	explicit SingleValueContainer(bool value);
-	explicit SingleValueContainer(byte value);
-	explicit SingleValueContainer(int16 value);
-	explicit SingleValueContainer(uint16 value);
-	explicit SingleValueContainer(int32 value);
-	explicit SingleValueContainer(uint32 value);
-	explicit SingleValueContainer(float value);
-	explicit SingleValueContainer(double value);
-	explicit SingleValueContainer(Common::String value);
-
-	// Copy constructor
-	explicit SingleValueContainer(const SingleValueContainer& other);
-
-	// Destructor
-	~SingleValueContainer();
-
-private:
-	ValueType _objectType;
-
-	union {
-		bool boolVal;
-		byte byteVal;
-		int16 int16Val;
-		uint16 uint16Val;
-		int32 int32Val;
-		uint32 uint32Val;
-		float floatVal;
-		double doubleVal;
-		char *stringVal;
-	} _value;
-
-public:
-	SingleValueContainer &operator=(const bool &rhs);
-	SingleValueContainer &operator=(const byte &rhs);
-	SingleValueContainer &operator=(const int16 &rhs);
-	SingleValueContainer &operator=(const uint16 &rhs);
-	SingleValueContainer &operator=(const int32 &rhs);
-	SingleValueContainer &operator=(const uint32 &rhs);
-	SingleValueContainer &operator=(const float &rhs);
-	SingleValueContainer &operator=(const double &rhs);
-	SingleValueContainer &operator=(const Common::String &rhs);
-
-	SingleValueContainer& operator=(const SingleValueContainer &rhs);
-
-	/**
-	 * Retrieve a bool from the container. If the container is not storing a
-	 * bool, this will return false and display a warning().
-	 *
-	 * @param returnValue    Pointer to where you want the value stored
-	 * @return               Value indicating whether the value assignment was successful
-	 */
-	bool getBoolValue(bool *returnValue) const;
-	/**
-	 * Retrieve a byte from the container. If the container is not storing a
-	 * byte, this will return false and display a warning().
-	 *
-	 * @param returnValue    Pointer to where you want the value stored
-	 * @return               Value indicating whether the value assignment was successful
-	 */
-	bool getByteValue(byte *returnValue) const;
-	/**
-	 * Retrieve an int16 from the container. If the container is not storing an
-	 * int16, this will return false and display a warning().
-	 *
-	 * @param returnValue    Pointer to where you want the value stored
-	 * @return               Value indicating whether the value assignment was successful
-	 */
-	bool getInt16Value(int16 *returnValue) const;
-	/**
-	 * Retrieve a uint16 from the container. If the container is not storing a
-	 * uint16, this will return false and display a warning().
-	 *
-	 * @param returnValue    Pointer to where you want the value stored
-	 * @return               Value indicating whether the value assignment was successful
-	 */
-	bool getUInt16Value(uint16 *returnValue) const;
-	/**
-	 * Retrieve an int32 from the container. If the container is not storing an
-	 * int32, this will return false and display a warning().
-	 *
-	 * @param returnValue    Pointer to where you want the value stored
-	 * @return               Value indicating whether the value assignment was successful
-	 */
-	bool getInt32Value(int32 *returnValue) const;
-	/**
-	 * Retrieve a uint32 from the container. If the container is not storing a
-	 * uint32, this will return false and display a warning().
-	 *
-	 * @param returnValue    Pointer to where you want the value stored
-	 * @return               Value indicating whether the value assignment was successful
-	 */
-	bool getUInt32Value(uint32 *returnValue) const;
-	/**
-	 * Retrieve a float from the container. If the container is not storing a
-	 * float, this will return false and display a warning().
-	 *
-	 * @param returnValue    Pointer to where you want the value stored
-	 * @return               Value indicating whether the value assignment was successful
-	 */
-	bool getFloatValue(float *returnValue) const;
-	/**
-	 * Retrieve a double from the container. If the container is not storing a
-	 * double, this will return false and display a warning().
-	 *
-	 * @param returnValue    Pointer to where you want the value stored
-	 * @return               Value indicating whether the value assignment was successful
-	 */
-	bool getDoubleValue(double *returnValue) const;
-	/**
-	 * Retrieve a String from the container. If the container is not storing a
-	 * string, this will return false and display a warning().
-	 *
-	 * Caution: Strings are internally stored as char[]. getStringValue uses
-	 * Common::String::operator=(char *) to do the assigment, which uses both
-	 * strlen() AND memmove().
-	 *
-	 * @param returnValue    Pointer to where you want the value stored
-	 * @return               Value indicating whether the value assignment was successful
-	 */
-	bool getStringValue(Common::String *returnValue) const;
-
-private:
-	/**
-	 * Helper method for destruction and assignment. It checks to see
-	 * if the char pointer is being used, and if so calls delete on it
-	 */
-	void deleteCharPointer();
-};
-
-} // End of namespace ZVision
-
-#endif