Initial commit

engines/titanic/sound/auto_sound_player.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/auto_sound_player.h"
+
+namespace Titanic {
+
+BEGIN_MESSAGE_MAP(CAutoSoundPlayer, CGameObject)
+	ON_MESSAGE(TurnOn)
+	ON_MESSAGE(TurnOff)
+	ON_MESSAGE(SignalObject)
+	ON_MESSAGE(SetVolumeMsg)
+	ON_MESSAGE(LoadSuccessMsg)
+END_MESSAGE_MAP()
+
+CAutoSoundPlayer::CAutoSoundPlayer() : CGameObject(),
+	_unused(0), _volume(70), _balance(0), _repeated(false), _soundHandle(-1),
+	_stopSeconds(0), _startSeconds(-1), _active(false), _isVectorSound(false) {
+}
+
+void CAutoSoundPlayer::save(SimpleFile *file, int indent) {
+	file->writeNumberLine(1, indent);
+	file->writeNumberLine(_unused, indent);
+	file->writeQuotedLine(_filename, indent);
+	file->writeNumberLine(_volume, indent);
+	file->writeNumberLine(_balance, indent);
+	file->writeNumberLine(_repeated, indent);
+	file->writeNumberLine(_soundHandle, indent);
+	file->writeNumberLine(_stopSeconds, indent);
+	file->writeNumberLine(_startSeconds, indent);
+	file->writeNumberLine(_active, indent);
+	file->writeNumberLine(_isVectorSound, indent);
+
+	CGameObject::save(file, indent);
+}
+
+void CAutoSoundPlayer::load(SimpleFile *file) {
+	file->readNumber();
+	_unused = file->readNumber();
+	_filename = file->readString();
+	_volume = file->readNumber();
+	_balance = file->readNumber();
+	_repeated = file->readNumber();
+	_soundHandle = file->readNumber();
+	_stopSeconds = file->readNumber();
+	_startSeconds = file->readNumber();
+	_active = file->readNumber();
+	_isVectorSound = file->readNumber();
+
+	CGameObject::load(file);
+}
+
+bool CAutoSoundPlayer::TurnOn(CTurnOn *msg) {
+	if (_soundHandle == -1) {
+		CProximity prox;
+		prox._balance = _balance;
+		prox._repeated = _repeated;
+		if (_isVectorSound)
+			prox._positioningMode = POSMODE_VECTOR;
+		prox._channelVolume = (_startSeconds == -1) ? _volume : 0;
+
+		_soundHandle = playSound(_filename, prox);
+		if (_startSeconds != -1)
+			setSoundVolume(_soundHandle, _volume, _startSeconds);
+
+		_active = true;
+	}
+
+	return true;
+}
+
+bool CAutoSoundPlayer::TurnOff(CTurnOff *msg) {
+	if (_soundHandle != -1) {
+		if (isSoundActive(_soundHandle))
+			stopSound(_soundHandle, _stopSeconds);
+
+		_soundHandle = -1;
+		_active = false;
+	}
+
+	return true;
+}
+
+bool CAutoSoundPlayer::SignalObject(CSignalObject *msg) {
+	if (_soundHandle != -1) {
+		if (isSoundActive(_soundHandle))
+			stopSound(_soundHandle, msg->_numValue);
+
+		_soundHandle = -1;
+		_active = false;
+	}
+
+	return true;
+}
+
+bool CAutoSoundPlayer::SetVolumeMsg(CSetVolumeMsg *msg) {
+	if (_soundHandle != -1 && isSoundActive(_soundHandle))
+		setSoundVolume(_soundHandle, msg->_volume, msg->_secondsTransition);
+
+	return true;
+}
+
+bool CAutoSoundPlayer::LoadSuccessMsg(CLoadSuccessMsg *msg) {
+	if (_active) {
+		_soundHandle = -1;
+		_active = false;
+
+		CTurnOn onMsg;
+		onMsg.execute(this);
+	}
+
+	return true;
+}
+
+} // End of namespace Titanic