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102 lines
2.9 KiB
C++
102 lines
2.9 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "gnap/sound.h"
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#include "audio/audiostream.h"
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#include "audio/decoders/wave.h"
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namespace Gnap {
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SoundMan::SoundMan(GnapEngine *vm) : _vm(vm) {
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}
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SoundMan::~SoundMan() {
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}
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void SoundMan::playSound(int resourceId, bool looping) {
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SoundItem soundItem;
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soundItem._resourceId = resourceId;
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SoundResource *soundResource = _vm->_soundCache->get(resourceId);
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Common::MemoryReadStream *stream = new Common::MemoryReadStream(soundResource->_data, soundResource->_size, DisposeAfterUse::NO);
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Audio::AudioStream *audioStream = Audio::makeLoopingAudioStream(Audio::makeWAVStream(stream, DisposeAfterUse::YES), looping ? 0 : 1);
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_vm->_mixer->playStream(Audio::Mixer::kPlainSoundType, &soundItem._handle, audioStream);
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_items.push_back(soundItem);
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}
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void SoundMan::stopSound(int resourceId) {
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const int index = find(resourceId);
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if (index < 0)
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return;
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_vm->_soundCache->release(_items[index]._resourceId);
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_vm->_mixer->stopHandle(_items[index]._handle);
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_items.remove_at(index);
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}
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void SoundMan::setSoundVolume(int resourceId, int volume) {
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if (resourceId == -1 || volume < 0 || volume > 100)
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return;
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const int index = find(resourceId);
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if (index < 0)
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return;
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int realVol = volume * 2.55;
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_vm->_mixer->setChannelVolume(_items[index]._handle, realVol);
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}
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bool SoundMan::isSoundPlaying(int resourceId) {
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const int index = find(resourceId);
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if (index < 0)
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return false;
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return _vm->_mixer->isSoundHandleActive(_items[index]._handle);
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}
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void SoundMan::stopAll() {
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for (int index = 0; index < (int)_items.size(); ++index) {
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_vm->_soundCache->release(_items[index]._resourceId);
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_vm->_mixer->stopHandle(_items[index]._handle);
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}
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}
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void SoundMan::update() {
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for (int index = 0; index < (int)_items.size(); ++index)
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if (!_vm->_mixer->isSoundHandleActive(_items[index]._handle)) {
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_vm->_soundCache->release(_items[index]._resourceId);
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_items.remove_at(index);
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--index;
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}
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}
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int SoundMan::find(int resourceId) {
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for (int index = 0; index < (int)_items.size(); ++index)
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if (_items[index]._resourceId == resourceId)
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return index;
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return -1;
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}
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} // End of namespace Gnap
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