scummvm/engines/avalanche/sound.cpp
2013-10-05 14:47:07 +02:00

89 lines
2.4 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 "avalanche/avalanche.h"
#include "avalanche/sound.h"
#include "audio/audiostream.h"
#include "common/config-manager.h"
namespace Avalanche {
SoundHandler::SoundHandler(AvalancheEngine *vm) : _vm(vm) {
_soundFl = true;
_speakerStream = new Audio::PCSpeaker(_vm->_mixer->getOutputRate());
_vm->_mixer->playStream(Audio::Mixer::kSFXSoundType, &_speakerHandle,
_speakerStream, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::YES, true);
}
SoundHandler::~SoundHandler() {
_vm->_mixer->stopHandle(_speakerHandle);
}
/**
* Stop any sound that might be playing
*/
void SoundHandler::stopSound() {
_vm->_mixer->stopAll();
}
/**
* Turn digitized sound on and off
*/
void SoundHandler::toggleSound() {
_soundFl = !_soundFl;
}
void SoundHandler::syncVolume() {
int soundVolume;
if (ConfMan.getBool("sfx_mute") || ConfMan.getBool("mute"))
soundVolume = -1;
else
soundVolume = MIN(255, ConfMan.getInt("sfx_volume"));
_vm->_mixer->setVolumeForSoundType(Audio::Mixer::kSFXSoundType, soundVolume);
}
void SoundHandler::playNote(int freq, int length) {
// Does the user not want any sound?
if (!_soundFl || !_vm->_mixer->isReady())
return;
// Start a note playing (we will stop it when the timer expires).
_speakerStream->play(Audio::PCSpeaker::kWaveFormSquare, freq, length);
}
void SoundHandler::click() {
_vm->_mixer->stopAll();
playNote(7177, 1);
}
void SoundHandler::blip() {
_vm->_mixer->stopAll();
playNote(177, 77);
}
} // End of namespace Avalanche