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engines/scumm/imuse/drivers/amiga.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 IMUSE_DRV_AMIGA_H
+#define IMUSE_DRV_AMIGA_H
+
+#include "audio/mididrv.h"
+#include "audio/mods/paula.h"
+#include "audio/mixer.h"
+
+namespace Scumm {
+
+class IMusePart_Amiga;
+class SoundChannel_Amiga;
+struct Instrument_Amiga;
+
+class IMuseDriver_Amiga : public MidiDriver, public Audio::Paula {
+friend class SoundChannel_Amiga;
+public:
+	IMuseDriver_Amiga(Audio::Mixer *mixer);
+	~IMuseDriver_Amiga() override;
+
+	int open() override;
+	bool isOpen() const override { return _isOpen; }
+	void close() override;
+
+	void send(uint32 b) override;
+
+	void setTimerCallback(void *timer_param, Common::TimerManager::TimerProc timer_proc) override;
+
+	uint32 getBaseTempo() override;
+	MidiChannel *allocateChannel() override;
+	MidiChannel *getPercussionChannel() override;
+
+	void interrupt() override;
+
+private:
+	void updateParser();
+	void updateSounds();
+
+	void loadInstrument(int program);
+	void unloadInstruments();
+
+	IMusePart_Amiga **_parts;
+	SoundChannel_Amiga **_chan;
+
+	Common::TimerManager::TimerProc _timerProc;
+	void *_timerProcPara;
+
+	Audio::Mixer *_mixer;
+	Audio::SoundHandle _soundHandle;
+
+	int32 _ticker;
+	bool _isOpen;
+
+	Instrument_Amiga *_instruments;
+	uint16 _missingFiles;
+
+	const int32 _baseTempo;
+	const int32 _internalTempo;
+	const uint8 _numParts;
+};
+
+}
+
+#endif