SCUMM: Remove unused iMuse MIDI 'passthrough' code

engines/scumm/imuse/imuse.cpp

@@ -57,7 +57,6 @@ _initialized(false),
 _tempoFactor(0),
 _player_limit(ARRAYSIZE(_players)),
 _recycle_players(false),
-_direct_passthrough(false),
 _queue_end(0),
 _queue_pos(0),
 _queue_sound(0),
@@ -472,10 +471,6 @@ uint32 IMuseInternal::property(int prop, uint32 value) {
 		_recycle_players = (value != 0);
 		break;
 
-	case IMuse::PROP_DIRECT_PASSTHROUGH:
-		_direct_passthrough = (value != 0);
-		break;
-
 	case IMuse::PROP_GAME_ID:
 		_game_id = value;
 		break;
@@ -636,7 +631,7 @@ bool IMuseInternal::startSound_internal(int sound, int offset) {
 
 	player->clear();
 	player->setOffsetNote(offset);
-	return player->startSound(sound, driver, _direct_passthrough);
+	return player->startSound(sound, driver);
 }
 
 int IMuseInternal::stopSound_internal(int sound) {

engines/scumm/imuse/imuse.h

@@ -58,7 +58,6 @@ public:
 		PROP_GS,
 		PROP_LIMIT_PLAYERS,
 		PROP_RECYCLE_PLAYERS,
-		PROP_DIRECT_PASSTHROUGH,
 		PROP_GAME_ID
 	};
 

engines/scumm/imuse/imuse_internal.h

@@ -174,7 +174,6 @@ protected:
 protected:
 	MidiDriver *_midi;
 	MidiParser *_parser;
-	bool _passThrough; // Only respond to EOT, all else direct to MidiDriver
 
 	Part *_parts;
 	bool _active;
@@ -278,7 +277,7 @@ public:
 	void setSpeed(byte speed);
 	int setTranspose(byte relative, int b);
 	int setVolume(byte vol);
-	bool startSound(int sound, MidiDriver *midi, bool passThrough);
+	bool startSound(int sound, MidiDriver *midi);
 	int getMusicTimer() const;
 
 public:
@@ -425,7 +424,6 @@ protected:
 
 	int  _player_limit;       // Limits how many simultaneous music tracks are played
 	bool _recycle_players;    // Can we stop a player in order to start another one?
-	bool _direct_passthrough; // Pass data direct to MidiDriver (no interactivity)
 
 	uint _queue_end, _queue_pos, _queue_sound;
 	byte _queue_adding;

engines/scumm/imuse/imuse_player.cpp

@@ -61,7 +61,6 @@ uint16 Player::_active_notes[128];
 Player::Player() :
 	_midi(NULL),
 	_parser(NULL),
-	_passThrough(0),
 	_parts(NULL),
 	_active(false),
 	_scanning(false),
@@ -93,7 +92,7 @@ Player::~Player() {
 	}
 }
 
-bool Player::startSound(int sound, MidiDriver *midi, bool passThrough) {
+bool Player::startSound(int sound, MidiDriver *midi) {
 	void *ptr;
 	int i;
 
@@ -119,7 +118,6 @@ bool Player::startSound(int sound, MidiDriver *midi, bool passThrough) {
 	_pan = 0;
 	_transpose = 0;
 	_detune = 0;
-	_passThrough = passThrough;
 
 	for (i = 0; i < ARRAYSIZE(_parameterFaders); ++i)
 		_parameterFaders[i].init();
@@ -227,11 +225,6 @@ void Player::setSpeed(byte speed) {
 }
 
 void Player::send(uint32 b) {
-	if (_passThrough) {
-		_midi->send(b);
-		return;
-	}
-
 	byte cmd = (byte)(b & 0xF0);
 	byte chan = (byte)(b & 0x0F);
 	byte param1 = (byte)((b >> 8) & 0xFF);
@@ -348,11 +341,6 @@ void Player::sysEx(const byte *p, uint16 len) {
 	byte buf[128];
 	Part *part;
 
-	if (_passThrough) {
-		_midi->sysEx(p, len);
-		return;
-	}
-
 	// Check SysEx manufacturer.
 	a = *p++;
 	--len;

engines/scumm/scumm.cpp

@@ -1858,17 +1858,15 @@ void ScummEngine::setupMusic(int midi) {
 			if (ConfMan.hasKey("tempo"))
 				_imuse->property(IMuse::PROP_TEMPO_BASE, ConfMan.getInt("tempo"));
 			// YM2162 driver can't handle midi->getPercussionChannel(), NULL shouldn't init MT-32/GM/GS
-			if (/*(midi != MDT_TOWNS) && (*/midi != MDT_NONE/*)*/) {
+			if (midi != MDT_NONE) {
 				_imuse->property(IMuse::PROP_NATIVE_MT32, _native_mt32);
 				if (MidiDriver::getMusicType(dev) != MT_MT32) // MT-32 Emulation shouldn't be GM/GS initialized
 					_imuse->property(IMuse::PROP_GS, _enable_gs);
 			}
-			if (_game.heversion >= 60 /*|| midi == MDT_TOWNS*/) {
+			if (_game.heversion >= 60) {
 				_imuse->property(IMuse::PROP_LIMIT_PLAYERS, 1);
 				_imuse->property(IMuse::PROP_RECYCLE_PLAYERS, 1);
 			}
-			/*if (midi == MDT_TOWNS)
-				_imuse->property(IMuse::PROP_DIRECT_PASSTHROUGH, 1);*/
 		}
 	}
 }