mirror of
https://github.com/libretro/scummvm.git
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151 lines
3.9 KiB
C++
151 lines
3.9 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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "saga/saga.h"
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#include "saga/sound.h"
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#include "sound/audiostream.h"
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#include "sound/mixer.h"
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#include "sound/adpcm.h"
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namespace Saga {
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Sound::Sound(SagaEngine *vm, Audio::Mixer *mixer, int volume) :
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_vm(vm), _mixer(mixer), _voxStream(0) {
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for (int i = 0; i < SOUND_HANDLES; i++)
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_handles[i].type = kFreeHandle;
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setVolume(volume == 10 ? 255 : volume * 25);
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}
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Sound::~Sound() {
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delete _voxStream;
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}
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SndHandle *Sound::getHandle() {
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for (int i = 0; i < SOUND_HANDLES; i++) {
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if (_handles[i].type == kFreeHandle)
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return &_handles[i];
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if (!_mixer->isSoundHandleActive(_handles[i].handle)) {
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_handles[i].type = kFreeHandle;
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return &_handles[i];
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}
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}
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error("Sound::getHandle(): Too many sound handles");
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return NULL;
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}
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void Sound::playSoundBuffer(Audio::SoundHandle *handle, SoundBuffer &buffer, int volume, bool loop) {
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byte flags;
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flags = Audio::Mixer::FLAG_AUTOFREE;
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if (loop)
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flags |= Audio::Mixer::FLAG_LOOP;
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if (buffer.sampleBits == 16) {
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flags |= Audio::Mixer::FLAG_16BITS;
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if (!buffer.isBigEndian)
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flags |= Audio::Mixer::FLAG_LITTLE_ENDIAN;
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}
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if (buffer.stereo)
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flags |= Audio::Mixer::FLAG_STEREO;
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if (!buffer.isSigned)
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flags |= Audio::Mixer::FLAG_UNSIGNED;
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_mixer->playRaw(Audio::Mixer::kSFXSoundType, handle, buffer.buffer, buffer.size, buffer.frequency, flags, -1, volume);
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}
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void Sound::playSound(SoundBuffer &buffer, int volume, bool loop) {
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SndHandle *handle = getHandle();
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handle->type = kEffectHandle;
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playSoundBuffer(&handle->handle, buffer, 2 * volume, loop);
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}
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void Sound::pauseSound() {
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for (int i = 0; i < SOUND_HANDLES; i++)
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if (_handles[i].type == kEffectHandle)
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_mixer->pauseHandle(_handles[i].handle, true);
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}
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void Sound::resumeSound() {
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for (int i = 0; i < SOUND_HANDLES; i++)
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if (_handles[i].type == kEffectHandle)
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_mixer->pauseHandle(_handles[i].handle, false);
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}
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void Sound::stopSound() {
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for (int i = 0; i < SOUND_HANDLES; i++)
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if (_handles[i].type == kEffectHandle) {
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_mixer->stopHandle(_handles[i].handle);
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_handles[i].type = kFreeHandle;
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}
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}
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void Sound::playVoice(SoundBuffer &buffer) {
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SndHandle *handle = getHandle();
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handle->type = kVoiceHandle;
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playSoundBuffer(&handle->handle, buffer, 255, false);
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}
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void Sound::pauseVoice() {
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for (int i = 0; i < SOUND_HANDLES; i++)
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if (_handles[i].type == kVoiceHandle)
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_mixer->pauseHandle(_handles[i].handle, true);
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}
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void Sound::resumeVoice() {
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for (int i = 0; i < SOUND_HANDLES; i++)
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if (_handles[i].type == kVoiceHandle)
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_mixer->pauseHandle(_handles[i].handle, false);
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}
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void Sound::stopVoice() {
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for (int i = 0; i < SOUND_HANDLES; i++)
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if (_handles[i].type == kVoiceHandle) {
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_mixer->stopHandle(_handles[i].handle);
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_handles[i].type = kFreeHandle;
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}
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}
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void Sound::stopAll() {
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stopVoice();
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stopSound();
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}
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void Sound::setVolume(int volume) {
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_mixer->setVolumeForSoundType(Audio::Mixer::kSFXSoundType, volume);
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_mixer->setVolumeForSoundType(Audio::Mixer::kSpeechSoundType, volume);
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}
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} // End of namespace Saga
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