Instrument definition revamp.

IMuseDriver abstract class removed.
IMuseGM is now IMuseDriver.
Miscellaneous cleanup.

svn-id: r6017

1 files changed, 62 insertions, 0 deletions

diff --git a/scumm/instrument.h b/scumm/instrument.h
new file mode 100644
index 0000000000..065bff0f4a
--- /dev/null
+++ b/scumm/instrument.h
@@ -0,0 +1,62 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001  Ludvig Strigeus
+ * Copyright (C) 2001/2002 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ */
+
+#ifndef INSTRUMENT_H
+#define INSTRUMENT_H
+
+#include "stdafx.h"
+#include "common/scummsys.h"
+
+class Serializer;
+class MidiChannel;
+
+class InstrumentInternal {
+public:
+	virtual void saveOrLoad (Serializer *s) = 0;
+	virtual void send (MidiChannel *mc) = 0;
+};
+
+class Instrument {
+private:
+	byte _type;
+	InstrumentInternal *_instrument;
+
+public:
+	enum {
+		itNone = 0,
+		itProgram = 1,
+		itAdlib = 2,
+		itRoland = 3
+	};
+
+	Instrument() : _type (0), _instrument (0) { }
+
+	void clear();
+	void program (byte program, bool mt32);
+	void adlib (byte *instrument);
+	void roland (byte *instrument);
+
+	byte getType() { return _type; }
+	void saveOrLoad (Serializer *s);
+	void send (MidiChannel *mc) { if (_instrument) _instrument->send (mc); }
+};
+
+#endif