mirror of https://github.com/minetest/minetest.git
74 lines
2.4 KiB
C++
74 lines
2.4 KiB
C++
/*
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Minetest
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Copyright (C) 2022 DS
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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OpenAL support based on work by:
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Copyright (C) 2011 Sebastian 'Bahamada' Rühl
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Copyright (C) 2011 Cyriaque 'Cisoun' Skrapits <cysoun@gmail.com>
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Copyright (C) 2011 Giuseppe Bilotta <giuseppe.bilotta@gmail.com>
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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 Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "sound_singleton.h"
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namespace sound {
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bool SoundManagerSingleton::init()
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{
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if (!(m_device = unique_ptr_alcdevice(alcOpenDevice(nullptr)))) {
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errorstream << "Audio: Global Initialization: Failed to open device" << std::endl;
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return false;
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}
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if (!(m_context = unique_ptr_alccontext(alcCreateContext(m_device.get(), nullptr)))) {
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errorstream << "Audio: Global Initialization: Failed to create context" << std::endl;
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return false;
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}
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if (!alcMakeContextCurrent(m_context.get())) {
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errorstream << "Audio: Global Initialization: Failed to make current context" << std::endl;
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return false;
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}
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alDistanceModel(AL_INVERSE_DISTANCE_CLAMPED);
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// Speed of sound in nodes per second
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// FIXME: This value assumes 1 node sidelength = 1 meter, and "normal" air.
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// Ideally this should be mod-controlled.
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alSpeedOfSound(343.3f);
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// doppler effect turned off for now, for best backwards compatibility
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alDopplerFactor(0.0f);
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if (alGetError() != AL_NO_ERROR) {
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errorstream << "Audio: Global Initialization: OpenAL Error " << alGetError() << std::endl;
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return false;
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}
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infostream << "Audio: Global Initialized: OpenAL " << alGetString(AL_VERSION)
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<< ", using " << alcGetString(m_device.get(), ALC_DEVICE_SPECIFIER)
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<< std::endl;
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return true;
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}
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SoundManagerSingleton::~SoundManagerSingleton()
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{
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infostream << "Audio: Global Deinitialized." << std::endl;
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}
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} // namespace sound
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