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the whole game
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Kolyah35
253
src/platform/audio/SoundSystemAL.cpp
Executable file
253
src/platform/audio/SoundSystemAL.cpp
Executable file
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//#include "ios/OpenALSupport.h"
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#include "SoundSystemAL.h"
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#include "../../util/Mth.h"
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#include "../../world/level/tile/Tile.h"
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#include "../../world/phys/Vec3.h"
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#include "../../client/sound/Sound.h"
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#include "../log.h"
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static const char* errIdString = 0;
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void checkError() {
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while (1) {
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ALenum err = alGetError();
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if(err == AL_NO_ERROR) return;
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LOGI("### SoundSystemAL error: %d ####: %s\n", err, errIdString==0?"(none)":errIdString);
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}
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}
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//typedef ALvoid AL_APIENTRY (*alBufferDataStaticProcPtr) (const ALint bid, ALenum format, ALvoid *data, ALsizei size, ALsizei freq);
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//ALvoid alBufferDataStaticProc(const ALint bid, ALenum format, ALvoid* data, ALsizei size, ALsizei freq)
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//{
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// static alBufferDataStaticProcPtr proc = NULL;
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//
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// if (proc == NULL) {
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// proc = (alBufferDataStaticProcPtr) alcGetProcAddress(NULL, (const ALCchar*) "alBufferDataStatic");
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// }
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//
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// if (proc)
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// proc(bid, format, data, size, freq);
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//
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// return;
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//}
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//
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SoundSystemAL::SoundSystemAL()
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: available(true),
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context(0),
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device(0),
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_rotation(-9999.9f)
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{
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_buffers.reserve(64);
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init();
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}
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SoundSystemAL::~SoundSystemAL()
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{
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alDeleteSources(MaxNumSources, _sources);
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for (int i = 0; i < (int)_buffers.size(); ++i)
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if (_buffers[i].inited) alDeleteBuffers(1, &_buffers[i].bufferID);
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alcMakeContextCurrent(NULL);
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alcDestroyContext(context);
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// Close the device
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alcCloseDevice(device);
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}
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void SoundSystemAL::init()
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{
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device = alcOpenDevice(NULL);
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if(device) {
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context = alcCreateContext(device, NULL);
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alcMakeContextCurrent(context);
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alDistanceModel(AL_LINEAR_DISTANCE_CLAMPED);
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alGenSources(MaxNumSources, _sources);
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for(int index = 0; index < MaxNumSources; index++) {
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ALuint sourceID = _sources[index];
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alSourcef(sourceID, AL_REFERENCE_DISTANCE, 5.0f);
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alSourcef(sourceID, AL_MAX_DISTANCE, 16.0f);
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alSourcef(sourceID, AL_ROLLOFF_FACTOR, 6.0f);
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}
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float listenerPos[] = {0, 0, 0};
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float listenerOri[] = {0.0, 1.0, 0.0, 0.0, 0.0, 1.0};
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float listenerVel[] = {0, 0, 0};
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alListenerfv(AL_POSITION, listenerPos);
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alListenerfv(AL_ORIENTATION, listenerOri);
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alListenerfv(AL_VELOCITY, listenerVel);
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errIdString = "Init audio";
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checkError();
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}
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}
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void SoundSystemAL::enable(bool status) {
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LOGI("Enabling? audio: %d (context %p)\n", status, context);
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if (status) {
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alcMakeContextCurrent(context);
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errIdString = "Enable audio";
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}
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else {
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alcMakeContextCurrent(NULL);
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errIdString = "Disable audio";
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}
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checkError();
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}
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void SoundSystemAL::destroy() {}
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void SoundSystemAL::setListenerPos( float x, float y, float z )
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{
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// Note: listener position is thought to be 0,0,0 now
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/*
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if (_listenerPos.x != x || _listenerPos.y != y || _listenerPos.z != z) {
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_listenerPos.set(x, y, z);
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alListener3f(AL_POSITION, x, y, z);
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static int _n = 0;
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if (++_n == 20) {
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_n = 0;
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LOGI("Setting position for listener: %f, %f, %f\n", _listenerPos.x, _listenerPos.y, _listenerPos.z);
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}
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}
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*/
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}
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void SoundSystemAL::setListenerAngle( float deg )
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{
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if (_rotation != deg) {
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_rotation = deg;
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float rad = deg * Mth::DEGRAD;
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static ALfloat orientation[] = {0, 0, 0, 0, 1, 0};
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orientation[0] = -Mth::sin( rad );
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orientation[2] = Mth::cos( rad );
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alListenerfv(AL_ORIENTATION, orientation);
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}
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}
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void SoundSystemAL::playAt( const SoundDesc& sound, float x, float y, float z, float volume, float pitch )
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{
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if (pitch < 0.01f) pitch = 1;
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//LOGI("playing sound '%s' with volume/pitch: %f, %f @ %f, %f, %f\n", sound.name.c_str(), volume, pitch, x, y, z);
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ALuint bufferID;
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if (!getBufferId(sound, &bufferID)) {
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errIdString = "Get buffer (failed)";
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checkError();
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LOGE("getBufferId returned false!\n");
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return;
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}
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errIdString = "Get buffer";
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checkError();
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//LOGI("playing sound %d - '%s' with volume/pitch: %f, %f @ %f, %f, %f\n", bufferID, sound.name.c_str(), volume, pitch, x, y, z);
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int sourceIndex;
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errIdString = "Get free index";
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if (!getFreeSourceIndex(&sourceIndex)) {
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LOGI("No free sound sources left @ SoundSystemAL::playAt\n");
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return;
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}
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ALuint sourceID = _sources[sourceIndex];
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checkError();
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alSourcei(sourceID, AL_BUFFER, 0);
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errIdString = "unbind";
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checkError();
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alSourcei(sourceID, AL_BUFFER, bufferID);
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errIdString = "bind";
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checkError();
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alSourcef(sourceID, AL_PITCH, pitch);
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errIdString = "pitch";
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checkError();
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alSourcef(sourceID, AL_GAIN, volume);
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errIdString = "gain";
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checkError();
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alSourcei(sourceID, AL_LOOPING, AL_FALSE);
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errIdString = "looping";
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checkError();
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alSource3f(sourceID, AL_POSITION, x, y, z);
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errIdString = "position";
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checkError();
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alSourcePlay(sourceID);
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errIdString = "source play";
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checkError();
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}
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/*static*/
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void SoundSystemAL::removeStoppedSounds()
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{
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}
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bool SoundSystemAL::getFreeSourceIndex(int* sourceIndex) {
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for (int i = 0; i < MaxNumSources; ++i) {
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ALint state;
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alGetSourcei(_sources[i], AL_SOURCE_STATE, &state);
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if(state != AL_PLAYING) {
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*sourceIndex = i;
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return true;
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}
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}
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return false;
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}
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bool SoundSystemAL::getBufferId(const SoundDesc& sound, ALuint* buf) {
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for (int i = 0; i < (int)_buffers.size(); ++i) {
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// Points to the same data buffer -> sounds equal
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if (_buffers[i].framePtr == sound.frames) {
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//LOGI("Found %p for %s!\n", sound.frames, sound.name.c_str());
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*buf = _buffers[i].bufferID;
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return true;
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}
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}
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if (!sound.isValid()) {
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LOGE("Err: sound is invalid @ getBufferId! %s\n", sound.name.c_str());
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return false;
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}
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ALuint bufferID;
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alGenBuffers(1, &bufferID);
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errIdString = "Gen buffer";
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checkError();
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ALenum format = (sound.byteWidth==2) ?
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(sound.channels==2? AL_FORMAT_STEREO16 : AL_FORMAT_MONO16)
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: (sound.channels==2? AL_FORMAT_STEREO8 : AL_FORMAT_MONO8);
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alBufferData(bufferID, format, sound.frames, sound.size, sound.frameRate);
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//LOGI("Creating %d (%p) from sound: '%s'\n", bufferID, sound.frames, sound.name.c_str());
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errIdString = "Buffer data";
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//LOGI("Creating buffer with data: %d (%d), %p, %d, %d\n", format, sound.byteWidth, sound.frames, sound.size, sound.frameRate);
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checkError();
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//LOGI("Sound ch: %d, fmt: %d, frames: %p, len: %f, fr: %d, sz: %d, numfr: %d\n", sound.channels, format, sound.frames, sound.length(), sound.frameRate, sound.size, sound.numFrames);
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Buffer buffer;
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buffer.inited = true;
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buffer.framePtr = sound.frames;
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buffer.bufferID = bufferID;
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*buf = bufferID;
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_buffers.push_back(buffer);
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// @huge @attn @note @fix: The original data is free'd
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sound.destroy();
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return true;
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}
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