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engines/scumm/imuse/instrument.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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef SCUMM_IMUSE_INSTRUMENT_H
+#define SCUMM_IMUSE_INSTRUMENT_H
+
+
+#include "common/scummsys.h"
+#include "common/serializer.h"
+
+class MidiChannel;
+
+namespace Scumm {
+
+class Instrument;
+
+class InstrumentInternal : public Common::Serializable {
+public:
+	~InstrumentInternal() override {}
+	virtual void send(MidiChannel *mc) = 0;
+	virtual void copy_to(Instrument *dest) = 0;
+	virtual bool is_valid() = 0;
+};
+
+class Instrument : public Common::Serializable {
+private:
+	byte _type;
+	InstrumentInternal *_instrument;
+
+public:
+	enum {
+		itNone = 0,
+		itProgram = 1,
+		itAdLib = 2,
+		itRoland = 3,
+		itPcSpk = 4,
+		itMacDeprecated = 5
+	};
+
+	Instrument() : _type(0), _instrument(0), _nativeMT32Device(false) { }
+	~Instrument() override { delete _instrument; }
+	void setNativeMT32Mode(bool isNativeMT32) { _nativeMT32Device = isNativeMT32; }
+	static const byte _gmRhythmMap[35];
+
+	void clear();
+	void copy_to(Instrument *dest) {
+		if (_instrument)
+			_instrument->copy_to(dest);
+		else
+			dest->clear();
+	}
+
+	void program(byte program, byte bank, bool mt32SoundType);
+	void adlib(const byte *instrument);
+	void roland(const byte *instrument);
+	void pcspk(const byte *instrument);
+
+	byte getType() { return _type; }
+	bool isValid() { return (_instrument ? _instrument->is_valid() : false); }
+	void saveLoadWithSerializer(Common::Serializer &s) override;
+	void send(MidiChannel *mc) {
+		if (_instrument)
+			_instrument->send(mc);
+	}
+
+	bool _nativeMT32Device;
+};
+
+} // End of namespace Scumm
+
+#endif