Added (early) midi player code.

Added "screen flash" effect.
Implemented opcodes:
- o1_PLAYMUS
- o1_STOPMUS
- o1_ISMUS
- o1_FLASH
- o1_LOADSND
- o1_LOADMUS

svn-id: r31682

1 files changed, 150 insertions, 0 deletions

diff --git a/engines/made/music.h b/engines/made/music.h
new file mode 100644
index 0000000000..1403a7c0a1
--- /dev/null
+++ b/engines/made/music.h
@@ -0,0 +1,150 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+// Music class
+
+#ifndef MADE_MUSIC_H
+#define MADE_MUSIC_H
+
+#include "sound/audiocd.h"
+#include "sound/mididrv.h"
+#include "sound/midiparser.h"
+#include "sound/mp3.h"
+#include "sound/vorbis.h"
+#include "sound/flac.h"
+#include "common/mutex.h"
+
+#include "made/resource.h"
+
+namespace Made {
+
+enum MusicFlags {
+	MUSIC_NORMAL = 0,
+	MUSIC_LOOP = 0x0001,
+	MUSIC_DEFAULT = 0xffff
+};
+
+class MusicPlayer : public MidiDriver {
+public:
+	MusicPlayer(MidiDriver *driver);
+	~MusicPlayer();
+
+	bool isPlaying() { return _isPlaying; }
+	void setPlaying(bool playing) { _isPlaying = playing; }
+
+	void setVolume(int volume);
+	int getVolume() { return _masterVolume; }
+
+	void setNativeMT32(bool b) { _nativeMT32 = b; }
+	bool hasNativeMT32() { return _nativeMT32; }
+	void playMusic();
+	void stopMusic();
+	void setLoop(bool loop) { _looping = loop; }
+	void setPassThrough(bool b) { _passThrough = b; }
+
+	void setGM(bool isGM) { _isGM = isGM; }
+
+	//MidiDriver interface implementation
+	int open();
+	void close();
+	void send(uint32 b);
+
+	void metaEvent(byte type, byte *data, uint16 length);
+
+	void setTimerCallback(void *timerParam, void (*timerProc)(void *)) { }
+	uint32 getBaseTempo(void)	{ return _driver ? _driver->getBaseTempo() : 0; }
+
+	//Channel allocation functions
+	MidiChannel *allocateChannel()		{ return 0; }
+	MidiChannel *getPercussionChannel()	{ return 0; }
+
+	MidiParser *_parser;
+	Common::Mutex _mutex;
+
+protected:
+
+	static void onTimer(void *data);
+
+	MidiChannel *_channel[16];
+	MidiDriver *_driver;
+	byte _channelVolume[16];
+	bool _nativeMT32;
+	bool _isGM;
+	bool _passThrough;
+
+	bool _isPlaying;
+	bool _looping;
+	bool _randomLoop;
+	byte _masterVolume;
+
+	byte *_musicData;
+	uint16 *_buf;
+	size_t _musicDataSize;
+};
+
+class Music {
+public:
+
+	Music(MidiDriver *driver, int enabled);
+	~Music(void);
+	void setNativeMT32(bool b)	{ _player->setNativeMT32(b); }
+	bool hasNativeMT32()		{ return _player->hasNativeMT32(); }
+	void setAdlib(bool b)		{ _adlib = b; }
+	bool hasAdlib()			{ return _adlib; }
+	void setPassThrough(bool b)	{ _player->setPassThrough(b); }
+	bool isPlaying(void);
+
+	void play(XmidiResource *midiResource, MusicFlags flags = MUSIC_DEFAULT);
+	void pause(void);
+	void resume(void);
+	void stop(void);
+
+	void setVolume(int volume, int time = 1);
+	int getVolume() { return _currentVolume; }
+
+	int32 *_songTable;
+	int _songTableLen;
+
+private:
+
+	MusicPlayer *_player;
+	uint32 _trackNumber;
+
+	int _enabled;
+	bool _adlib;
+
+	int _targetVolume;
+	int _currentVolume;
+	int _currentVolumePercent;
+
+	MidiParser *xmidiParser;
+
+	byte *_midiMusicData;
+
+};
+
+} // End of namespace Made
+
+#endif