1 files changed, 127 insertions, 0 deletions
diff --git a/engines/simon/midi.h b/engines/simon/midi.h
new file mode 100644
index 0000000000..bc903f9d17
--- /dev/null
+++ b/engines/simon/midi.h
@@ -0,0 +1,127 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001-2006 The ScummVM project
+ *
+ * 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#ifndef SIMON_MIDI_H
+#define SIMON_MIDI_H
+
+#include "sound/mididrv.h"
+#include "sound/midiparser.h"
+#include "common/mutex.h"
+
+namespace Common {
+	class File;
+}
+
+namespace Simon {
+
+struct MusicInfo {
+	MidiParser *parser;
+	byte * data;
+	byte   num_songs;         // For Type 1 SMF resources
+	byte * songs[16];         // For Type 1 SMF resources
+	uint32 song_sizes[16];    // For Type 1 SMF resources
+
+	MidiChannel *channel[16]; // Dynamic remapping of channels to resolve conflicts
+	byte volume[16];          // Current channel volume
+
+	MusicInfo() { clear(); }
+	void clear() {
+		parser = 0; data = 0; num_songs = 0;
+		memset (songs, 0, sizeof (songs));
+		memset (song_sizes, 0, sizeof (song_sizes));
+		memset (channel, 0, sizeof (channel));
+	}
+};
+
+class MidiPlayer : public MidiDriver {
+protected:
+	Common::Mutex _mutex;
+	MidiDriver *_driver;
+	bool _map_mt32_to_gm;
+	bool _passThrough;
+
+	MusicInfo _music;
+	MusicInfo _sfx;
+	MusicInfo *_current; // Allows us to establish current context for operations.
+
+	// These are maintained for both music and SFX
+	byte _masterVolume;    // 0-255
+	bool _paused;
+
+	// These are only used for music.
+	byte _currentTrack;
+	bool _loopTrack;
+	byte _queuedTrack;
+	bool _loopQueuedTrack;
+
+protected:
+	static void onTimer (void *data);
+	void clearConstructs();
+	void clearConstructs (MusicInfo &info);
+	void resetVolumeTable();
+
+public:
+	bool _enable_sfx;
+
+public:
+	MidiPlayer (OSystem *system);
+	virtual ~MidiPlayer();
+
+	void loadSMF (Common::File *in, int song, bool sfx = false);
+	void loadMultipleSMF (Common::File *in, bool sfx = false);
+	void loadXMIDI (Common::File *in, bool sfx = false);
+	void loadS1D (Common::File *in, bool sfx = false);
+
+	void mapMT32toGM (bool map);
+	void setLoop (bool loop);
+	void startTrack(int track);
+	void queueTrack (int track, bool loop);
+	bool isPlaying (bool check_queued = false) { return (_currentTrack != 255 && (_queuedTrack != 255 || !check_queued)); }
+
+	void stop();
+	void pause (bool b);
+
+	int  get_volume() { return _masterVolume; }
+	void set_volume (int volume);
+	void set_driver (MidiDriver *md);
+
+public:
+	// MidiDriver interface implementation
+	int open();
+	void close();
+	void send(uint32 b);
+
+	void metaEvent (byte type, byte *data, uint16 length);
+	void setPassThrough(bool b)		{ _passThrough = b; }
+
+	// Timing functions - MidiDriver now operates timers
+	void setTimerCallback (void *timer_param, void (*timer_proc) (void *)) { }
+	uint32 getBaseTempo (void) { return _driver ? _driver->getBaseTempo() : 0; }
+
+	// Channel allocation functions
+	MidiChannel *allocateChannel() { return 0; }
+	MidiChannel *getPercussionChannel() { return 0; }
+};
+
+} // End of namespace Simon
+
+#endif