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engines/lab/music.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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * This code is based on Labyrinth of Time code with assistance of
+ *
+ * Copyright (c) 1993 Terra Nova Development
+ * Copyright (c) 2004 The Wyrmkeep Entertainment Co.
+ *
+ */
+
+#ifndef LAB_MUSIC_H
+#define LAB_MUSIC_H
+
+#include "audio/mixer.h"
+
+namespace Common {
+class File;
+}
+
+namespace Lab {
+
+class LabEngine;
+
+//---------------------------
+//----- From LabMusic.c -----
+//---------------------------
+
+#define MAXBUFFERS 5
+
+class Music {
+private:
+	LabEngine *_vm;
+
+	Common::File *_musicFile;
+	uint32 _storedPos;
+
+	Audio::SoundHandle _musicHandle;
+	Audio::SoundHandle _sfxHandle;
+
+private:
+	byte getSoundFlags();
+
+public:
+	Music(LabEngine *vm);
+
+	/**
+	 * Changes the background music to something else.
+	 */
+	void changeMusic(const Common::String &filename, bool storeCurPos, bool seektoStoredPos);
+
+	void resetMusic(bool seekToStoredPos);
+
+	/**
+	 * Checks the music that should be playing in a particular room.
+	 */
+	void checkRoomMusic(uint16 prevRoom, uint16 newRoom);
+
+	/**
+	 * Frees up the music buffers and closes the file.
+	 */
+	void freeMusic();
+
+	bool isSoundEffectActive() const;
+	void playSoundEffect(uint16 sampleSpeed, uint32 length, bool loop, Common::File *dataFile);
+
+	/**
+	 * Reads in a sound effect file.  Ignores any graphics.
+	 */
+	void loadSoundEffect(const Common::String &filename, bool loop, bool waitTillFinished);
+
+	void stopSoundEffect();
+};
+
+} // End of namespace Lab
+
+#endif // LAB_MUSIC_H