SCUMM: imuse driver directory cleanup

- move mac, pc speaker and fm-towns ims sound drivers into separate directory

(AdLib and MT32/GM drivers are still too entangled with common code to be moved so easily, especially MT32/GM. It would require lots of changes to the common code and possibly to all engines using the MidiDriver class. So I leave that for now.)

1 files changed, 83 insertions, 0 deletions

diff --git a/engines/scumm/imuse/drivers/fmtowns.h b/engines/scumm/imuse/drivers/fmtowns.h
new file mode 100644
index 0000000000..5413e3797f
--- /dev/null
+++ b/engines/scumm/imuse/drivers/fmtowns.h
@@ -0,0 +1,83 @@
+/* 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 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.
+ *
+ */
+
+#ifndef IMUSE_DRV_FMTOWNS_H
+#define IMUSE_DRV_FMTOWNS_H
+
+#include "audio/softsynth/fmtowns_pc98/towns_audio.h"
+#include "audio/mididrv.h"
+
+
+class TownsMidiOutputChannel;
+class TownsMidiInputChannel;
+class TownsMidiChanState;
+
+class MidiDriver_TOWNS : public MidiDriver, public TownsAudioInterfacePluginDriver {
+friend class TownsMidiInputChannel;
+friend class TownsMidiOutputChannel;
+public:
+	MidiDriver_TOWNS(Audio::Mixer *mixer);
+	~MidiDriver_TOWNS();
+
+	int open();
+	bool isOpen() const { return _isOpen; }
+	void close();
+
+	void send(uint32 b);
+
+	void setTimerCallback(void *timer_param, Common::TimerManager::TimerProc timer_proc);
+
+	uint32 getBaseTempo();
+	MidiChannel *allocateChannel();
+	MidiChannel *getPercussionChannel();
+
+	void timerCallback(int timerId);
+
+private:
+	void updateParser();
+	void updateOutputChannels();
+
+	TownsMidiOutputChannel *allocateOutputChannel(uint8 pri);
+
+	int randomValue(int para);
+
+	TownsMidiInputChannel **_channels;
+	TownsMidiOutputChannel **_out;
+	TownsMidiChanState *_chanState;
+
+	Common::TimerManager::TimerProc _timerProc;
+	void *_timerProcPara;
+
+	TownsAudioInterface *_intf;
+
+	uint32 _tickCounter;
+	uint8 _allocCurPos;
+	uint8 _rand;
+
+	bool _isOpen;
+
+	uint8 *_operatorLevelTable;
+
+	const uint16 _baseTempo;
+};
+
+#endif