void CSoundPlayer::PlayPosSample(enum TIngameSoundEffect aEffect,float aVolume, CCoord<int> aPos)
{
ASSERTPTR( iDynData );
if (aEffect==ESoundEffectNoSound) return;
if (iObserver)
iObserver->SoundHeard(aEffect,aVolume,aPos);
if (!iInitialized)
return;
if (iDynData->LocalPlayers().size()!=1)
{
PlaySample(iDynData->LevelRuntime()->IngameData()->SoundFX(aEffect),aVolume,PAN_MIDDLE);
return;
}
int chan=Mix_PlayChannel(-1,iDynData->LevelRuntime()->IngameData()->SoundFX(aEffect),0);
Mix_Volume(chan,(int)(aVolume*iFXVolume*127.0));
int left, right;
StereoShaper( iDynData->LocalPlayers()[0]->Location(),aPos, left, right );
Mix_SetPanning(chan, left, right );
}
void
PingusSoundReal::real_play_sound(const std::string& name, float volume, float panning)
{
if (!globals::sound_enabled)
return;
SoundHandle chunk;
chunk = SoundResMgr::load(name);
if (!chunk)
{
perr(PINGUS_DEBUG_SOUND) << "Can't open sound '" << name << "' -- skipping\n"
<< " Mix_Error: " << Mix_GetError() << std::endl;
return;
}
int channel = Mix_PlayChannel(-1, chunk, 0);
if (channel != -1)
{
Mix_Volume(channel, static_cast<int>(volume * MIX_MAX_VOLUME));
if (panning != 0.0f)
{
Uint8 left = static_cast<Uint8>((panning < 0.0f) ? 255 : static_cast<Uint8>((panning - 1.0f) * -255));
Uint8 right = static_cast<Uint8>((panning > 0.0f) ? 255 : static_cast<Uint8>((panning + 1.0f) * 255));
Mix_SetPanning(channel, left, right);
}
}
}
static void do_panning_update(void)
{
static Uint8 leftvol = 128;
static Uint8 rightvol = 128;
static Uint8 leftincr = -1;
static Uint8 rightincr = 1;
static int panningok = 1;
static Uint32 next_panning_update = 0;
if ((panningok) && (SDL_GetTicks() >= next_panning_update)) {
panningok = Mix_SetPanning(0, leftvol, rightvol);
if (!panningok) {
fprintf(stderr, "Mix_SetPanning(0, %d, %d) failed!\n",
(int) leftvol, (int) rightvol);
fprintf(stderr, "Reason: [%s].\n", Mix_GetError());
}
if ((leftvol == 255) || (leftvol == 0)) {
if (leftvol == 255)
printf("All the way in the left speaker.\n");
leftincr *= -1;
}
if ((rightvol == 255) || (rightvol == 0)) {
if (rightvol == 255)
printf("All the way in the right speaker.\n");
rightincr *= -1;
}
leftvol += leftincr;
rightvol += rightincr;
next_panning_update = SDL_GetTicks() + 10;
}
}
static mrb_value
mrb_sdl2_mixer_set_panning(mrb_state *mrb, mrb_value self)
{
mrb_int channel, left, right;
mrb_get_args(mrb, "iii", &channel, &left, &right);
return mrb_fixnum_value(Mix_SetPanning((int)channel, (Uint8)left, (Uint8)right));
}
int CA2_TocaEfeitoTela(unsigned int id, int posicao)
{
// O efeito é válido?
if(id > CA2_MAX_EFEITOS || id == 0)
return 0;
// Verifica se o efeito existe
if(efeitos[id-1].efeito != 0)
{
// Ajusta a posição se necessário
if(posicao<0)
posicao=0;
else if(posicao > lTela)
posicao = lTela;
// Calcula o volume para cada canal. Por default, consideramos que ambos estão no máximo
int esquerda, direita;
posicao = (200*posicao)/800 - 100;
// 254 é o volume máximo de um canal. Assim, centro indica 127 em CADA canal. Som em um canal só indica 254 apenas em um canal
esquerda = ((100-posicao)*254)/200;
direita = ((100+posicao)*254)/200;
int canal = Mix_PlayChannel(-1,efeitos[id-1].efeito,0);
Mix_SetPanning(canal, esquerda, direita);
return canal;
}
return 0;
}
void SoundManager::playSound(int chunkIdx, Ogre::Vector3 soundPosition, Ogre::Camera* mCamera) {
if (!initialized) {
std::cout << "SoundManager: Manager not initialized." << std::endl;
return;
}
if (sounding) {
Mix_ChannelFinished(channelDoneWrapper);
int channel = Mix_PlayChannel(-1, chunks[chunkIdx], 0);
int dist = calcDistance(mCamera->getPosition(), soundPosition);
// put this sound in our list of active sounds.
Sound s;
s.soundPosition = soundPosition;
s.chunk = chunks[chunkIdx];
s.distance = dist;
s.channel = channel;
s.active = true;
activeSounds.push_back(s);
// Initialize sound position
int rightIntensity = calcPanning(mCamera, soundPosition);
Mix_SetPanning(s.channel, 254 - rightIntensity, rightIntensity);
Mix_SetDistance(s.channel, dist);
}
}
void syncchannel(soundchannel &chan)
{
if(!chan.dirty) return;
if(!Mix_FadingChannel(chan.id)) Mix_Volume(chan.id, chan.volume);
Mix_SetPanning(chan.id, 255-chan.pan, chan.pan);
chan.dirty = false;
}
static void I_SDL_UpdateSoundParams(int handle, int vol, int sep)
{
int left, right;
if (!sound_initialized || handle < 0 || handle >= NUM_CHANNELS)
{
return;
}
left = ((254 - sep) * vol) / 127;
right = ((sep) * vol) / 127;
if (left < 0) left = 0;
else if ( left > 255) left = 255;
if (right < 0) right = 0;
else if (right > 255) right = 255;
// SDL_mixer version 1.2.8 and earlier has a bug in the Mix_SetPanning
// function. A workaround is to call Mix_UnregisterAllEffects for
// the channel before calling it. This is undesirable as it may lead
// to the channel volumes resetting briefly.
if (setpanning_workaround)
{
Mix_UnregisterAllEffects(handle);
}
Mix_SetPanning(handle, left, right);
}
SCSerror SCSsound::SetPan (const SCSfloat fPan)
{
if ((fPan < SCSmixer::PAN_LEFT) || (SCSmixer::PAN_RIGHT < fPan)) return scsHandleError(SCS_ERROR_AUDIO | SCS_ERROR_SET | SCS_ERROR_LEVEL | SCS_ERROR_INVALID);
Mix_SetPanning(m_iChannelID, (SCSint)(0xff * (0.5 * (1.0 - fPan))), (SCSint)(0xff * (0.5 * (1.0 + fPan))));
m_fPan = fPan;
return SCS_ERROR_NONE;
}
void AudioController::play(int sound, int x) {
if(options.sound_volume == 0)
return;
if(sound < 0 || sound >= SOUNDFILES)
return;
if(this->sound[sound] == NULL)
return;
int chan;
int volume;
int window_middle;
float x_step;
int other_volume;
chan = 0;
while(Mix_Playing(chan))
chan++;
// Do not play the sound when we are out of channels
if(chan >= AUDIO_CHANNELS)
return;
window_middle = WINDOW_WIDTH / 2;
x_step = (float)0x7f / window_middle;
if(x > WINDOW_WIDTH)
x -= WINDOW_WIDTH;
Mix_SetPanning(chan, 0x7f, 0x7f);
if(x > -1 && x != window_middle) {
if(x < window_middle) {
other_volume = (int)(x_step * x);
Mix_SetPanning(chan, 0xff - other_volume, other_volume);
}
if(x > window_middle){
other_volume = (int)(x_step * (WINDOW_WIDTH - x));
Mix_SetPanning(chan, other_volume, 0xff - other_volume);
}
}
volume = (int)(((double)options.sound_volume / 100) * soundvolume[sound]);
Mix_Volume(chan, volume);
Mix_PlayChannel(chan, this->sound[sound], 0);
}
int snd_panning(int channel, int left, int right)
{
if (channel >= MIX_CHANNELS)
channel %= MIX_CHANNELS;
if (channel < 0)
channel = -1;
return Mix_SetPanning(channel, left, right);
}
// set panning of channel voice -----------------------------------------------
//
int AUDs_SetVoicePanning( int voice, int panning )
{
if (SoundDisabled)
return AUD_RETURN_SUCCESS;
Mix_SetPanning(voice, panning, panning);
return AUD_RETURN_SUCCESS;
}
int open_audio (int frequency, Uint16 format, int channels, int chunksize)
{
if (Mix_OpenAudio( frequency, format, channels, chunksize ) < 0)
return -1;
// allocate 16 channels for mixing
if (Mix_AllocateChannels(8) != 8)
return -2;
/* reserve some channels and register panning effects */
if (Mix_ReserveChannels(SOUND_RESERVED_CHANNELS) != SOUND_RESERVED_CHANNELS)
return -3;
/* prepare the spanning effects */
Mix_SetPanning( SOUND_LEFT_SPEAKER, 230, 24 );
Mix_SetPanning( SOUND_RIGHT_SPEAKER, 24, 230 );
return 0;
}
int SDLMixerSoundSystem::PlaySound ( const char *_soundName, short _distX, short _distY )
{
CrbReleaseAssert ( _soundName != NULL );
// Let's see if it's cached.
Mix_Chunk *wave = m_chunks.find ( _soundName, NULL );
if ( !wave )
{
// Ouch. Performance hit as we load the sound.
g_console->SetColour ( IO::Console::FG_YELLOW | IO::Console::FG_INTENSITY );
g_console->WriteLine ( "WARNING: %s was not found in the sound cache!", _soundName );
g_console->SetColour ();
LoadWave ( _soundName );
wave = m_chunks.find ( _soundName, NULL );
}
if ( !wave )
{
// The sound is completely unloadable.
g_console->SetColour ( IO::Console::FG_RED | IO::Console::FG_INTENSITY );
g_console->WriteLine ( "ERROR: %s could not be loaded!", _soundName );
g_console->SetColour ();
return -1;
}
// Use the pythagorean theorem to calculate a precise distance, in pixels.
int distX2 = _distX * _distX;
int distY2 = _distY * _distY;
int dist = (int)sqrt((double)distX2 + (double)distY2);
// We use a box range for the maximum distance. Just off screen (left or right) sounds would play at 30% volume.
float maxDist = (float)max(g_graphics->GetScreenHeight(),g_graphics->GetScreenWidth()) * 0.75f;
float volumePercentage = (float)(maxDist - dist) / (float)maxDist;
// The volume is the percentage just calculated * maximum volume
int newVolume = (int)(( (float)MIX_MAX_VOLUME * 0.75f ) * volumePercentage);
if ( newVolume <= 0 ) return 1;
int channel = Mix_PlayChannel ( -1, wave, 0 );
int left = ( _distX * -1 ) + 128;
if ( left < 0 ) left = 0;
if ( left > 255 ) left = 255;
Mix_SetPanning ( channel, left, 255 - left );
Mix_Volume ( channel, newVolume );
if ( m_channelPlaying.valid ( channel ) ) {
free ( m_channelPlaying.get ( channel ) );
m_channelPlaying.remove ( channel );
}
if ( channel != -1 )
{
/*g_console->WriteLine ( "Playing %s at %.1lf%% volume (distance: %d, channel: %d)",
_soundName, volumePercentage * 100.0f, dist, channel );*/
m_channelPlaying.insert ( cc_strdup ( _soundName ), channel );
}
return 0;
}
void I_SDL_UpdateSoundParams(int handle, int vol, int sep)
{
int left, right;
if (!sound_initialized || handle < 0 || handle >= NUM_CHANNELS)
return;
left = BETWEEN(0, (254 - sep) * vol / 127, 255);
right = BETWEEN(0, sep * vol / 127, 255);
Mix_SetPanning(handle, left, right);
}
//
// sound_effect::play
//
// Add a new sample for playing.
// panpot defines the pan position for the sound effect.
// 0 - Completely to the right.
// 128 - Centered.
// 255 - Completely to the left.
//
void sound_effect::play(int volume, int pitch, int panpot)
{
if (!sound_enabled)
return;
int channel = Mix_PlayChannel(-1, m_chunk, 0);
if (channel > -1)
{
Mix_Volume(channel, volume);
Mix_SetPanning(channel, panpot, 255 - panpot);
}
}
void CAudioChannel::SetPan (int nPan)
{
if (m_info.bPlaying) {
m_info.nPan = nPan;
#if USE_SDL_MIXER
if (gameOpts->sound.bUseSDLMixer) {
nPan /= (32767 / 127);
Mix_SetPanning (m_info.nChannel, (ubyte) nPan, (ubyte) (254 - nPan));
}
#endif
}
}
static void I_SDL_UpdateSoundParams(int handle, int vol, int sep)
{
int left, right;
if (!sound_initialized)
return;
left = (254 - sep) * vol / 127;
right = sep * vol / 127;
Mix_SetPanning(handle, left, right);
}
void ChannelInternalState::SetPan(const mathfu::Vector<float, 2>& pan) {
if (!is_real()) {
return;
}
static const Uint8 kMaxPanValue = 255;
// This formula is explained in the following paper:
// http://www.rs-met.com/documents/tutorials/PanRules.pdf
float p = static_cast<float>(M_PI) * (pan.x() + 1.0f) / 4.0f;
Uint8 left = static_cast<Uint8>(cos(p) * kMaxPanValue);
Uint8 right = static_cast<Uint8>(sin(p) * kMaxPanValue);
Mix_SetPanning(channel_id_, left, right);
}
void play_sound(Mix_Chunk * snd, enum Sound_Speaker whichSpeaker)
{
/* this won't call the function if the user has disabled sound
* either via menu or via command-line option
*/
if(!audio_device || !use_sound)
return;
Mix_PlayChannel( whichSpeaker, snd, 0);
/* prepare for panning effects for next call */
switch (whichSpeaker) {
case SOUND_LEFT_SPEAKER:
Mix_SetPanning( SOUND_LEFT_SPEAKER, 230, 24 );
break;
case SOUND_RIGHT_SPEAKER:
Mix_SetPanning( SOUND_RIGHT_SPEAKER, 24, 230 );
break;
default: // keep the compiler happy
break;
}
}
//
// This function adds a sound to the
// list of currently active sounds,
// which is maintained as a given number
// (eight, usually) of internal channels.
// Returns a handle.
//
int addsfx( int sfxid, int volume, int step, int seperation )
{
static unsigned short handlenum = 3;
int i;
int rc;
int slot;
uint8_t left, right;
slot = -1;
/* Stopping samples in mid-stream is bad.
* needed for chainsaw/chaingun
* Let everything else run to end */
// Chainsaw troubles.
// Play these sound effects only one at a time.
if ( sfxid == sfx_sawup
|| sfxid == sfx_sawidl
|| sfxid == sfx_sawful
|| sfxid == sfx_sawhit )
slot = 0;
if ( sfxid == sfx_stnmov )
slot = 1;
if ( sfxid == sfx_pistol )
slot = 2;
if (slot = -1) {
for (i = 3; i < NUM_CHANNELS; i++)
{
handlenum++;
if (handlenum >= NUM_CHANNELS) handlenum = 3;
if (!Mix_Playing(handlenum)){
slot = handlenum;
break;
}
}
} else {
Mix_HaltChannel(slot);
}
if (-1 == slot) return 99;
seperation -= 1; // 0-FF
left = (uint8_t)(((0xffff - seperation * seperation) * volume)>>12);
seperation = 0xff - seperation;
right = (uint8_t)(((0xffff - seperation * seperation) * volume)>>12);
Mix_SetPanning(slot, left, right);
Mix_PlayChannel(slot, S_sfx[sfxid].chunk, 0);
return slot;
}
void DigiSetChannelPan(int channel, int pan)
{
if (!gameStates.sound.digi.bInitialized)
return;
if (!SoundSlots[channel].playing)
return;
SoundSlots[channel].pan = pan;
#if USE_SDL_MIXER
if (gameOpts->sound.bUseSDLMixer) {
pan /= (32767 / 127);
Mix_SetPanning (channel, (ubyte) pan, (ubyte) (254 - pan));
}
#endif
}
void SoundManager::updateSounds(Ogre::Camera* mCamera) {
// Remove any sounds from our list of active sounds that might not be active.
for(int i = 0; i < activeSounds.size(); i++) {
Sound *s = &(activeSounds[i]);
if(s->active == false) {
// Reset sound position on the given channel, and remove the sound
Mix_SetPanning(s->channel, 255, 255);
Mix_SetDistance(s->channel, 0);
activeSounds.erase(activeSounds.begin() + i);
}
}
// update sound position for all active sounds
for(int i = 0; i < activeSounds.size(); i++) {
Sound *s = &(activeSounds[i]);
int rightIntensity = calcPanning(mCamera, s->soundPosition);
Mix_SetPanning(s->channel, 254 - rightIntensity, rightIntensity);
int dist = calcDistance(mCamera->getPosition(), s->soundPosition);
s->distance = dist;
Mix_SetDistance(s->channel, dist);
}
}
void Mix_VolPan (int channel, int vol, int pan)
{
#if USE_SDL_MIXER
if (gameOpts->sound.bUseSDLMixer && (channel >= 0)) {
if (vol) {
vol = (FixMul (vol, gameStates.sound.digi.nVolume) + (SOUND_MAX_VOLUME / MIX_MAX_VOLUME) / 2) / (SOUND_MAX_VOLUME / MIX_MAX_VOLUME);
if (!vol)
vol = 1;
Mix_Volume (channel, vol);
pan /= (32767 / 127);
Mix_SetPanning (channel, (ubyte) pan, (ubyte) (254 - pan));
}
}
#endif
}
/**\brief Plays the sound.
*/
bool Sound::Play( void ){
if ( this->sound == NULL )
return false;
// Disable panning and distance
int freechan = Audio::Instance().GetFreeChannel();
Mix_SetDistance( freechan, 0 );
Mix_SetPanning( freechan, 127, 127 );
Mix_Volume( freechan, this->volume );
this->channel = Audio::Instance().PlayChannel( freechan, this->sound, 0 );
if ( channel == -1 )
return false;
return true;
}
void SD_SetPosition(int channel, int leftpos, int rightpos)
{
if((leftpos < 0) || (leftpos > 15) || (rightpos < 0) || (rightpos > 15)
|| ((leftpos == 15) && (rightpos == 15)))
Quit("SD_SetPosition: Illegal position");
switch (DigiMode)
{
default:
break;
case sds_SoundBlaster:
// SDL_PositionSBP(leftpos,rightpos);
Mix_SetPanning(channel, TO_SDL_POSITION(leftpos), TO_SDL_POSITION(rightpos));
break;
}
}
/**
* Play sample.
* @param sample sample loaded with sdl_load_sample.
*/
void sdl_play_sample(sb_sample * sample, int looping) {
#ifdef HAVE_SDL_MIXER
/* scale of left_volume and right_volume is [0..32] */
/* SDL_SetPanning wants [0..255] */
int ch, l = sample->left_volume * 8, r = sample->right_volume * 8;
if (l > 0)
l--;
if (r > 0)
r--;
ch = Mix_PlayChannel(-1, sample->chunk, looping ? -1 : 0);
if (ch == -1) { /* no free channels (or possibly another error) */
return; /* ignore the error, so this sound won't be played */
}
Mix_SetPanning(ch, l, r);
#endif
}
static void I_SDL_UpdateSoundParams(int handle, int vol, int sep)
{
int left, right;
if (!sound_initialized || handle < 0 || handle >= NUM_CHANNELS)
{
return;
}
left = ((254 - sep) * vol) / 127;
right = ((sep) * vol) / 127;
if (left < 0) left = 0;
else if ( left > 255) left = 255;
if (right < 0) right = 0;
else if (right > 255) right = 255;
Mix_SetPanning(handle, left, right);
}
void Mix_VolPan (int nChannel, int nVolume, int nPan)
{
#if USE_SDL_MIXER
if (!audio.Available ())
return;
if (gameOpts->sound.bUseSDLMixer && (nChannel >= 0)) {
if (nVolume) {
nVolume = (FixMul (nVolume, audio.Volume ()) + (SOUND_MAX_VOLUME / MIX_MAX_VOLUME) / 2) / (SOUND_MAX_VOLUME / MIX_MAX_VOLUME);
if (!nVolume)
nVolume = 1;
Mix_Volume (nChannel, nVolume);
if (nPan >= 0) {
nPan /= (32767 / 127);
Mix_SetPanning (nChannel, (ubyte) nPan, (ubyte) (254 - nPan));
}
}
}
#endif
}
static int lua_Mix_SetPanning(State & state){
Stack * stack = state.stack;
int channel = MIX_CHANNEL_POST;
Uint8 left = 255;
Uint8 right = 255;
if (stack->is<LUA_TNUMBER>(1)){
channel = stack->to<int>(1);
}
if (stack->is<LUA_TNUMBER>(2)){
left = static_cast<Uint8>(stack->to<int>(2));
}
if (stack->is<LUA_TNUMBER>(3)){
right = static_cast<Uint8>(stack->to<int>(3));
}
int result = Mix_SetPanning(channel, left, right);
stack->push<bool>(result != 0);
return 1;
}
