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engines/titanic/sound/gondolier_song.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 "titanic/sound/gondolier_song.h"
+
+namespace Titanic {
+
+BEGIN_MESSAGE_MAP(CGondolierSong, CRoomAutoSoundPlayer)
+	ON_MESSAGE(TurnOn)
+	ON_MESSAGE(SignalObject)
+	ON_MESSAGE(SetVolumeMsg)
+	ON_MESSAGE(StatusChangeMsg)
+END_MESSAGE_MAP()
+
+void CGondolierSong::save(SimpleFile *file, int indent) {
+	file->writeNumberLine(_enabled, indent);
+	file->writeNumberLine(_value, indent);
+	CRoomAutoSoundPlayer::save(file, indent);
+}
+
+void CGondolierSong::load(SimpleFile *file) {
+	_enabled = file->readNumber();
+	_value = file->readNumber();
+	CRoomAutoSoundPlayer::load(file);
+}
+
+bool CGondolierSong::TurnOn(CTurnOn *msg) {
+	if (_enabled) {
+		if (_soundHandle != -1) {
+			int volume = _value * _volume / 100;
+
+			if (_startSeconds == -1) {
+				_soundHandle = playSound(_filename, volume, _balance, _repeated);
+			} else {
+				_soundHandle = playSound(_filename, 0, _balance, _repeated);
+				setSoundVolume(_soundHandle, _volume, _startSeconds);
+			}
+
+			_active = true;
+		}
+	}
+
+	return true;
+}
+
+bool CGondolierSong::SignalObject(CSignalObject *msg) {
+	_enabled = false;
+	CAutoSoundPlayer::SignalObject(msg);
+	return true;
+}
+
+bool CGondolierSong::SetVolumeMsg(CSetVolumeMsg *msg) {
+	if (_enabled) {
+		_volume = msg->_volume;
+
+		if (_soundHandle != -1 && isSoundActive(_soundHandle)) {
+			int newVolume = _value * _volume / 100;
+			setSoundVolume(_soundHandle, newVolume, msg->_secondsTransition);
+		}
+	}
+
+	return true;
+}
+
+bool CGondolierSong::StatusChangeMsg(CStatusChangeMsg *msg) {
+	if (_enabled) {
+		_value = CLIP(msg->_newStatus, 0, 100);
+		CSetVolumeMsg volumeMsg(_volume, _stopSeconds);
+		volumeMsg.execute(this);
+	}
+
+	return true;
+}
+
+} // End of namespace Titanic