💿🐜 Antkeeper source code
https://antkeeper.com
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119 lines
3.4 KiB
119 lines
3.4 KiB
/*
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* Copyright (C) 2017-2019 Christopher J. Howard
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*
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* This file is part of Antkeeper Source Code.
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*
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* Antkeeper Source Code 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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* Antkeeper Source Code 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 Antkeeper Source Code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "sound-system.hpp"
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#include <stdexcept>
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#include "dr_libs/dr_wav.h"
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SoundSystem::SoundSystem(ComponentManager* componentManager):
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System(componentManager),
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entityGroup(componentManager),
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device(nullptr),
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context(nullptr)
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{
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device = alcOpenDevice(nullptr);
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if (!device)
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{
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throw std::runtime_error("SoundSystem::SoundSystem(): Failed to open audio device.");
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}
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context = alcCreateContext(device, nullptr);
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if (!alcMakeContextCurrent(context))
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{
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throw std::runtime_error("SoundSystem::SoundSystem(): Failed to create audio context.");
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}
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ALfloat listenerOrientation[] = { 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f };
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alListener3f(AL_POSITION, 0.0f, 0.0f, 1.0f);
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alListener3f(AL_VELOCITY, 0.0f, 0.0f, 0.0f);
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alListenerfv(AL_ORIENTATION, listenerOrientation);
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alGenSources((ALuint)1, &source);
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alSourcef(source, AL_PITCH, 1);
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alSourcef(source, AL_GAIN, 1);
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alSource3f(source, AL_POSITION, 0, 0, 0);
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alSource3f(source, AL_VELOCITY, 0, 0, 0);
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alSourcei(source, AL_LOOPING, AL_FALSE);
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alGenBuffers((ALuint)1, &buffer);
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// Load wav file
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{
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const char* filename = "shutter.wav";
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unsigned int channels;
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unsigned int sampleRate;
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drwav_uint64 frameCount;
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std::int16_t* sampleData = drwav_open_file_and_read_pcm_frames_s16(filename, &channels, &sampleRate, &frameCount);
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if (sampleData == nullptr)
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{
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throw std::runtime_error("Couldn't load wav file");
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drwav_free(sampleData);
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}
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bool stereo = (channels > 1);
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ALenum format = (stereo) ? AL_FORMAT_STEREO16 : AL_FORMAT_MONO16;
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std::size_t sampleCount = frameCount * channels;
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std::size_t sampleDataSize = sampleCount * sizeof(drwav_int16);
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alBufferData(buffer, format, sampleData, sampleDataSize, sampleRate);
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}
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alSourcei(source, AL_BUFFER, buffer);
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//alSourcePlay(source);
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}
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SoundSystem::~SoundSystem()
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{
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alDeleteSources(1, &source);
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alDeleteBuffers(1, &buffer);
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alcMakeContextCurrent(nullptr);
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alcDestroyContext(context);
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alcCloseDevice(device);
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}
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void SoundSystem::scrot()
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{
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alSourcePlay(source);
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}
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void SoundSystem::update(float t, float dt)
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{
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auto members = entityGroup.getMembers();
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for (const SoundSourceEntityGroup::Member* member: *members)
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{
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TransformComponent* transform = std::get<0>(member->components);
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SoundSourceComponent* sound = std::get<1>(member->components);
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}
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}
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void SoundSystem::memberRegistered(const SoundSourceEntityGroup::Member* member)
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{
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TransformComponent* transform = std::get<0>(member->components);
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SoundSourceComponent* sound = std::get<1>(member->components);
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}
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void SoundSystem::memberUnregistered(const SoundSourceEntityGroup::Member* member)
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{
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TransformComponent* transform = std::get<0>(member->components);
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SoundSourceComponent* sound = std::get<1>(member->components);
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}
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