Initial commit

engines/ags/engine/media/audio/clip_my_midi.cpp

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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/>.
+ *
+ */
+
+#include "ags/shared/util/wgt2_allg.h"
+#include "ags/engine/media/audio/clip_my_midi.h"
+#include "ags/ags.h"
+#include "ags/music.h"
+
+namespace AGS3 {
+
+MYMIDI::MYMIDI(Common::SeekableReadStream *data, bool repeat) :
+	_state(SoundClipInitial), _data(data), lengthInSeconds(0) {
+	_mixer = ::AGS::g_vm->_mixer;
+	_repeat = repeat;
+}
+
+MYMIDI::~MYMIDI() {
+	::AGS::g_music->stop();
+	delete _data;
+	_data = nullptr;
+}
+
+void MYMIDI::poll() {
+	bool playing = is_playing();
+	if (playing)
+		_state = SoundClipPlaying;
+	else if (_state == SoundClipPlaying)
+		_state = SoundClipStopped;
+}
+
+void MYMIDI::seek(int pos) {
+	// pos is the beat number
+	warning("TODO: MYMIDI::seek");
+}
+
+void MYMIDI::seek_ms(int pos_ms) {
+	warning("TODO: MYMIDI::seek_ms");
+}
+
+int MYMIDI::get_pos() {
+	// We don't know ms with midi
+	return 0;
+}
+
+int MYMIDI::get_pos_ms() {
+	// We don't know ms with midi
+	return 0;
+}
+
+int MYMIDI::get_length_ms() {
+	warning("TODO: MYMIDI::get_length_ms");
+	return lengthInSeconds * 1000;
+}
+
+void MYMIDI::pause() {
+	::AGS::g_music->pause();
+	_state = SoundClipPaused;
+}
+
+void MYMIDI::resume() {
+	if (_state != SoundClipPaused)
+		return;
+
+	::AGS::g_music->resume();
+	_state = SoundClipPlaying;
+}
+
+int MYMIDI::play() {
+	::AGS::g_music->playMusic(_data, _repeat);
+	_state =  SoundClipPlaying;
+	return 1;
+}
+
+int MYMIDI::play_from(int position) {
+	// TODO: Implement playing from arbitrary positions
+	if (position == 0) {
+		play();
+		return 1;
+	} else {
+		return 0;
+	}
+}
+
+bool MYMIDI::is_playing() {
+	return ::AGS::g_music->isPlaying();
+}
+
+bool MYMIDI::is_paused() {
+	return false;
+}
+
+void MYMIDI::set_panning(int newPanning) {
+	// No implementation for MIDI
+}
+
+void MYMIDI::set_speed(int new_speed) {
+	if (new_speed != 1000)  // default
+		warning("TODO: MYMIDI::set_speed=%d", new_speed);
+	_speed = new_speed;
+}
+
+void MYMIDI::adjust_volume() {
+	_mixer->setVolumeForSoundType(Audio::Mixer::kMusicSoundType, _vol255);
+}
+
+} // namespace AGS3