From 798c7ee6822517601ef3c4096ad76a2fc0eefb50 Mon Sep 17 00:00:00 2001
From: Eugene Sandulenko
Date: Fri, 29 Sep 2006 08:37:24 +0000
Subject: Phase 2 of Simon renaming. Simon directory renaming

svn-id: r24009
---
 engines/agos/midi.h | 128 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 engines/agos/midi.h

(limited to 'engines/agos/midi.h')

diff --git a/engines/agos/midi.h b/engines/agos/midi.h
new file mode 100644
index 0000000000..cf055bffac
--- /dev/null
+++ b/engines/agos/midi.h
@@ -0,0 +1,128 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001  Ludvig Strigeus
+ * 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 AGOS_MIDI_H
+#define AGOS_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
-- 
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