TITANIC: Implemented CGondolierSong class

2 files changed, 64 insertions, 3 deletions

diff --git a/engines/titanic/sound/gondolier_song.cpp b/engines/titanic/sound/gondolier_song.cpp
index b44400b2db..5c96718723 100644
--- a/engines/titanic/sound/gondolier_song.cpp
+++ b/engines/titanic/sound/gondolier_song.cpp
@@ -24,16 +24,71 @@
 
 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(1, indent);
+	file->writeNumberLine(_enabled, indent);
 	file->writeNumberLine(_value, indent);
 	CRoomAutoSoundPlayer::save(file, indent);
 }
 
 void CGondolierSong::load(SimpleFile *file) {
-	file->readNumber();
+	_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, _fieldD0, _repeated);
+			} else {
+				_soundHandle = playSound(_filename, 0, _fieldD0, _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
diff --git a/engines/titanic/sound/gondolier_song.h b/engines/titanic/sound/gondolier_song.h
index 0a7120c0fc..d586711de9 100644
--- a/engines/titanic/sound/gondolier_song.h
+++ b/engines/titanic/sound/gondolier_song.h
@@ -28,11 +28,17 @@
 namespace Titanic {
 
 class CGondolierSong : public CRoomAutoSoundPlayer {
+	DECLARE_MESSAGE_MAP;
+	bool TurnOn(CTurnOn *msg);
+	bool SignalObject(CSignalObject *msg);
+	bool SetVolumeMsg(CSetVolumeMsg *msg);
+	bool StatusChangeMsg(CStatusChangeMsg *msg);
 public:
+	bool _enabled;
 	int _value;
 public:
 	CLASSDEF;
-	CGondolierSong() : CRoomAutoSoundPlayer(), _value(0) {}
+	CGondolierSong() : CRoomAutoSoundPlayer(), _enabled(true), _value(0) {}
 
 	/**
 	 * Save the data for the class to file