static mrb_value
mrb_sdl2_mixer_set_distance(mrb_state *mrb, mrb_value self)
{
mrb_int channel, distance;
mrb_get_args(mrb, "ii", &channel, &distance);
return mrb_fixnum_value(Mix_SetDistance((int)channel, (Uint8)distance));
}
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);
}
}
static void do_distance_update(void)
{
static Uint8 distance = 1;
static Uint8 distincr = 1;
static int distanceok = 1;
static Uint32 next_distance_update = 0;
if ((distanceok) && (SDL_GetTicks() >= next_distance_update)) {
distanceok = Mix_SetDistance(0, distance);
if (!distanceok) {
fprintf(stderr, "Mix_SetDistance(0, %d) failed!\n", (int) distance);
fprintf(stderr, "Reason: [%s].\n", Mix_GetError());
}
if (distance == 0) {
printf("Distance at nearest point.\n");
distincr *= -1;
}
else if (distance == 255) {
printf("Distance at furthest point.\n");
distincr *= -1;
}
distance += distincr;
next_distance_update = SDL_GetTicks() + 15;
}
}
void SoundManager::SetVolume(int _channel, float _volume)
{
if(status_ != SoundStatus::OK)
return;
unsigned char distance = (1.0f - _volume) * 255;
Mix_SetDistance(_channel, distance);
}
void playBattleSound(int id, int x, int y)
{
float distance;
int channel;
float vol;
if (player->alive == ALIVE_ALIVE)
{
lastPlayerX = player->x;
lastPlayerY = player->y;
}
distance = getDistance(lastPlayerX, lastPlayerY, x, y);
if (distance <= MAX_BATTLE_SOUND_DISTANCE)
{
channel = Mix_PlayChannel(-1, sounds[id], 0);
if (channel != -1)
{
vol = 255;
vol /= MAX_BATTLE_SOUND_DISTANCE;
vol *= distance;
Mix_SetDistance(channel, vol);
}
}
}
// Volume 0-F1_0
int digi_mixer_start_sound(short soundnum, fix volume, int pan, int looping, int loop_start, int loop_end, int soundobj)
{
int mix_vol = fix2byte(fixmul(digi_volume, volume));
int mix_pan = fix2byte(pan);
int mix_loop = looping * -1;
int channel;
if (!digi_initialised) return -1;
Assert(GameSounds[soundnum].data != (void *)-1);
mixdigi_convert_sound(soundnum);
if (MIX_DIGI_DEBUG) con_printf(CON_DEBUG,"digi_start_sound %d, volume %d, pan %d (start=%d, end=%d)\n", soundnum, mix_vol, mix_pan, loop_start, loop_end);
channel = Mix_PlayChannel(-1, &(SoundChunks[soundnum]), mix_loop);
Mix_SetPanning(channel, 255-mix_pan, mix_pan);
if (volume > F1_0)
Mix_SetDistance(channel, 0);
else
Mix_SetDistance(channel, 255-mix_vol);
return channel;
}
/**\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 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);
}
}
static int lua_Mix_SetDistance(State & state){
Stack * stack = state.stack;
int channel = MIX_CHANNEL_POST;
Uint8 distance = 0;
if (stack->is<LUA_TNUMBER>(1)){
channel = stack->to<int>(1);
}
if (stack->is<LUA_TNUMBER>(2)){
distance = static_cast<Uint8>(stack->to<int>(2));
}
int result = Mix_SetDistance(channel, distance);
stack->push<bool>(result != 0);
return 1;
}
int SoundSetChannelDistanceInt(int channel, unsigned char distance)
{
//FIXME: you know the drill
if(Mix_Playing(channel))
{
//TODO: how to moron check? distance wraps so it wont break either way
if(Mix_SetDistance(channel, distance))
return 1;
else
return 0; //TODO: error checking?
}
else
return 0;
}
int SoundManager::PlayEnqueuedSample(std::string _filename, unsigned char _distance)
{
//Look the sound up, it's probably already loaded. If not then load it.
if(status_ != SoundStatus::OK)
return -1;
Mix_Chunk* sample = GetChunk(_filename);
if(sample)
{
//Play the sound
int channel = Mix_PlayChannel(-1, sample, 0);
if(channel >= 0) Mix_SetDistance(channel, _distance);
return channel;
}
return -1;
}
int SoundSetChannelDistanceFloat(int channel, float distance)
{
if(Mix_Playing(channel))
{
distance = ClampFloat(distance, 0.0, 1.0);
int dist;
dist = (int)(255 * distance);
//printf("Set distance to %d\n", dist);
if(Mix_SetDistance(channel, dist))
return 1;
else
return 0; //TODO: error checking?
}
else
return 0;
}
/**\brief Plays the sound at a specified coordinate from origin.
*/
bool Sound::Play( Coordinate offset ){
if ( this->sound == NULL )
return false;
// Distance fading
double dist = this->fadefactor * offset.GetMagnitude();
if ( dist > 255 )
return false; // Sound is out of range
Uint8 sounddist = static_cast<Uint8>( dist );
// Left-Right panning
float panx = this->panfactor * static_cast<float>(offset.GetX())+127.f;
Uint8 soundpan = 127;
if ( panx < 0 )
soundpan = 0;
else if ( panx > 254 )
soundpan = 254;
else
soundpan = static_cast<Uint8>( panx );
int freechan = Audio::Instance().GetFreeChannel();
if( Mix_SetDistance( freechan, sounddist ) == 0 )
LogMsg(ERR,"Set distance %d failed on channel %d.", sounddist, freechan );
//else
// LogMsg(INFO,"Distance set to %d on channel %d.", sounddist, freechan );
/**\bug SDL_mixer bug possibly: Need to check whether SDL_mixer is getting
* Left/Right speaker switched around.
*/
if( Mix_SetPanning( freechan, 254 - soundpan, soundpan ) == 0 )
LogMsg(ERR,"Set panning %d failed on channel %d.", soundpan - 127, freechan );
//else
// LogMsg(INFO,"Panning set to %d on channel %d.", soundpan - 127, freechan );
Mix_Volume( freechan, this->volume );
this->channel = Audio::Instance().PlayChannel( freechan, this->sound, 0 );
if ( channel == -1 )
return false;
return true;
}
void reposition_sound(int id, unsigned int distance)
{
audio_lock lock;
for (unsigned ch = 0; ch < channel_ids.size(); ++ch)
{
if (channel_ids[ch] != id) continue;
if (distance >= DISTANCE_SILENT) {
// Don't call Mix_FadeOutChannel if the channel's volume is set to
// zero. It doesn't do anything in that case and the channel will
// resume playing as soon as its volume is reset to a non-zero
// value, which results in issues like sound sources deleted while
// their volume is zero coming back to life and escaping Wesnoth's
// sound source management code.
if (Mix_Volume(ch, -1) == 0) {
Mix_HaltChannel(ch);
} else {
Mix_FadeOutChannel(ch, 100);
}
} else {
Mix_SetDistance(ch, distance);
}
}
}
void play_sound_internal(const std::string& files, channel_group group, unsigned int repeats,
unsigned int distance, int id, int loop_ticks, int fadein_ticks)
{
if(files.empty() || distance >= DISTANCE_SILENT || !mix_ok) {
return;
}
audio_lock lock;
// find a free channel in the desired group
int channel = Mix_GroupAvailable(group);
if(channel == -1) {
LOG_AUDIO << "All channels dedicated to sound group(" << group << ") are busy, skipping.\n";
return;
}
Mix_Chunk *chunk;
std::string file = pick_one(files);
try {
chunk = load_chunk(file, group);
assert(chunk);
} catch(const chunk_load_exception&) {
return;
}
/*
* This check prevents SDL_Mixer from blowing up on Windows when UI sound is played
* in response to toggling the checkbox which disables sound.
*/
if(group != SOUND_UI) {
Mix_SetDistance(channel, distance);
}
int res;
if(loop_ticks > 0) {
if(fadein_ticks > 0) {
res = Mix_FadeInChannelTimed(channel, chunk, -1, fadein_ticks, loop_ticks);
} else {
res = Mix_PlayChannel(channel, chunk, -1);
}
if(res >= 0) {
Mix_ExpireChannel(channel, loop_ticks);
}
} else {
if(fadein_ticks > 0) {
res = Mix_FadeInChannel(channel, chunk, repeats, fadein_ticks);
} else {
res = Mix_PlayChannel(channel, chunk, repeats);
}
}
if(res < 0) {
ERR_AUDIO << "error playing sound effect: " << Mix_GetError() << std::endl;
//still keep it in the sound cache, in case we want to try again later
return;
}
channel_ids[channel] = id;
//reserve the channel's chunk from being freed, since it is playing
channel_chunks[res] = chunk;
}
void CSoundEffect::SetDistanceEffect(int dist)
{
Mix_SetDistance(Channel, dist);
}
bool SDLAudio::SetDistance(int channel, int distance)
{
Mix_SetDistance(channel, distance);
return true;
}
void digi_mixer_set_channel_volume(int channel, int volume) {
int mix_vol = fix2byte(volume);
if (!digi_initialised) return;
Mix_SetDistance(channel, 255-mix_vol);
}
