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diff --git a/engines/sword25/script/script.h b/engines/sword25/script/script.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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+/*
+ * This code is based on Broken Sword 2.5 engine
+ *
+ * Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
+ *
+ * Licensed under GNU GPL v2
+ *
+ */
+
+#ifndef SWORD25_SCRIPT_H
+#define SWORD25_SCRIPT_H
+
+#include "common/array.h"
+#include "common/str.h"
+#include "sword25/kernel/common.h"
+#include "sword25/kernel/service.h"
+#include "sword25/kernel/persistable.h"
+
+namespace Sword25 {
+
+class Kernel;
+class OutputPersistenceBlock;
+class BS_InputPersistenceBlock;
+
+class ScriptEngine : public Service, public Persistable {
+public:
+	ScriptEngine(Kernel *KernelPtr) : Service(KernelPtr) {};
+	virtual ~ScriptEngine() {};
+
+	// -----------------------------------------------------------------------------
+	// This method must be implemented by the script engine
+	// -----------------------------------------------------------------------------
+
+	/**
+	 * Initialises the scrip tengine. Returns true if successful, false otherwise.
+	 */
+	virtual bool init() = 0;
+
+	/**
+	 * Loads a script file and executes it.
+	 * @param FileName      The script filename
+	*/
+	virtual bool executeFile(const Common::String &fileName) = 0;
+
+	/**
+	 * Executes a specified script fragment
+	 * @param Code      String of script code
+	 */
+	virtual bool executeString(const Common::String &code) = 0;
+
+	/**
+	 * Returns a pointer to the main object of the script engine
+	 * Note: Using this method breaks the encapsulation of the language from the rest of the engine.
+	 */
+	virtual void *getScriptObject() = 0;
+
+	/**
+	 * Makes the command line parameters for the script environment available
+	 * Note: How the command line parameters will be used by scripts is dependant on the
+	 * particular implementation.
+	 * @param CommandLineParameters     List containing the command line parameters
+	*/
+	virtual void setCommandLine(const Common::Array<Common::String> &commandLineParameters) = 0;
+
+	virtual bool persist(OutputPersistenceBlock &writer) = 0;
+	virtual bool unpersist(InputPersistenceBlock &reader) = 0;
+};
+
+} // End of namespace Sword25
+
+#endif