1 files changed, 112 insertions, 0 deletions
diff --git a/engines/m4/sound.h b/engines/m4/sound.h
new file mode 100644
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+++ b/engines/m4/sound.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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+// Sound class
+
+#ifndef M4_SOUND_H
+#define M4_SOUND_H
+
+#include "common/file.h"
+#include "common/array.h"
+#include "sound/mixer.h"
+#include "sound/mp3.h"
+#include "sound/vorbis.h"
+#include "sound/flac.h"
+
+namespace M4 {
+
+#define SOUND_HANDLES 10
+
+enum SOUND_FLAGS {
+	SOUND_LOOP = 1
+};
+
+enum sndHandleType {
+	kFreeHandle,
+	kEffectHandle,
+	kVoiceHandle
+};
+
+struct SndHandle {
+	Audio::SoundHandle handle;
+	sndHandleType type;
+};
+
+struct DSREntry {
+	int16 frequency;
+	int channels;
+	int32 compSize;
+	int32 uncompSize;
+	int32 offset;
+};
+
+struct DSRFile {
+	char fileName[20];
+	int entryCount;
+	Common::Array<DSREntry *> dsrEntries;
+};
+
+class M4Engine;
+
+class Sound {
+public:
+
+	Sound(M4Engine *vm, Audio::Mixer *mixer, int volume);
+	~Sound();
+
+	void playSound(const char *soundName, int volume, bool loop, int channel = -1);
+	void pauseSound();
+	void resumeSound();
+	void stopSound(int channel = -1);
+
+	void playVoice(const char *soundName, int volume);
+	void pauseVoice();
+	void resumeVoice();
+	void stopVoice();
+
+	void stopAll();
+
+	void setVolume(int volume);
+
+	bool isHandleActive(SndHandle *handle);
+	SndHandle *getHandle();
+
+	void loadDSRFile(const char *fileName);
+	void unloadDSRFile();
+	void playDSRSound(int soundIndex, int volume, bool loop);
+
+ private:
+
+	M4Engine *_vm;
+	Audio::Mixer *_mixer;
+	SndHandle _handles[SOUND_HANDLES];
+
+	DSRFile _dsrFile;
+	bool _dsrFileLoaded;
+};
+
+} // End of namespace M4
+
+#endif