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diff --git a/src/sound.h b/src/sound.h
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+/*
+ *  The Mana World
+ *  Copyright 2004 The Mana World Development Team
+ *
+ *  This file is part of The Mana World.
+ *
+ *  The Mana World 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
+ *  any later version.
+ *
+ *  The Mana World 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 The Mana World; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ *  $Id$
+ */
+
+#ifndef _TMW_SOUND_H
+#define _TMW_SOUND_H
+
+#include <SDL.h>
+#include <SDL_mixer.h>
+#include <map>
+#include <string>
+#include <fstream>
+
+typedef short SOUND_SID;
+
+/**
+ * Sound engine
+ *
+ * \ingroup CORE
+ */
+class Sound {
+    public:
+        void  init(int, int);
+        void  close();
+
+        void  startBgm(char*, int);
+        void  stopBgm();
+       
+        void  setVolume(int);
+        void  adjustVolume(int);
+
+        SOUND_SID loadItem(char *);
+        void      startItem(SOUND_SID, int);
+        
+        void      clearCache();
+
+        Sound() {isOk=-1;}
+
+        /** if allegro is shut down or object is deleted any BGM is
+           stopped and SFX run out */
+        ~Sound() {stopBgm(); close();};
+    private:
+        /** initial value is -1 which means error or noninitialzed.
+           you can only play sounds and bgm if this is 0.
+           that should be the case after calling Init() successfully */
+        int isOk;
+
+        int pan;
+        int vol_music;
+
+        Mix_Music *bgm;        
+        
+        /** list of preloaded sound data / items */
+        std::map<int, Mix_Chunk*> soundpool;
+        SOUND_SID items;
+
+        bool isMaxVol(int);
+};
+
+#endif