scummvm/engines/titanic/sound/gondolier_song.cpp

95 lines
2.5 KiB
C++

/* 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.
*
*/
#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