zdoom/gzdoom
0
0
Fork 0
mirror of https://github.com/ZDoom/gzdoom.git synced 2024-11-17 18:01:39 +00:00
Code Issues Projects Releases Packages Wiki Activity

Handle sounds marked as 'area sounds'

Browse source 
Note, the area radius is 128 units for it to actually do something, unlike FMOD
where it's only 32.
This commit is contained in:
Chris Robinson 2014-06-22 19:35:09 -07:00
parent 845e369b87
commit a434af92ee
1 changed files with 37 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

39
src/sound/oalsound.cpp
View file

@ -527,6 +527,8 @@ public:
extern ReverbContainer *ForcedEnvironment;
#define AREA_SOUND_RADIUS (128.f)
#define PITCH_MULT (0.7937005f) /* Approx. 4 semitones lower; what Nash suggested */
#define PITCH(pitch) (snd_pitched ? (pitch)/128.f : 1.f)
@ -1210,10 +1212,28 @@ FISoundChannel *OpenALSoundRenderer::StartSound3D(SoundHandle sfx, SoundListener
float gain = GetRolloff(rolloff, sqrt(dist_sqr) * distscale);
dir.Resize((gain > 0.00001f) ? 1.f/gain : 100000.f);
}
if((chanflags&SNDF_AREA) && dist_sqr < AREA_SOUND_RADIUS*AREA_SOUND_RADIUS)
{
FVector3 near(0.f, !(dir.Y>=0.f) ? -1.f : 1.f, 0.f);
float a = sqrt(dist_sqr) / AREA_SOUND_RADIUS;
dir = near + (dir-near)*a;
}
dir += listener->position;
alSource3f(source, AL_POSITION, dir[0], dir[1], -dir[2]);
}
else if((chanflags&SNDF_AREA) && dist_sqr < AREA_SOUND_RADIUS*AREA_SOUND_RADIUS)
{
FVector3 dir = pos - listener->position;
float mindist = rolloff->MinDistance/distscale;
FVector3 near(0.f, !(dir.Y>=0.f) ? -mindist : mindist, 0.f);
float a = sqrt(dist_sqr) / AREA_SOUND_RADIUS;
dir = near + (dir-near)*a;
dir += listener->position;
alSource3f(source, AL_POSITION, dir[0], dir[1], -dir[2]);
}
else
alSource3f(source, AL_POSITION, pos[0], pos[1], -pos[2]);
alSource3f(source, AL_VELOCITY, vel[0], vel[1], -vel[2]);
@ -1425,7 +1445,6 @@ void OpenALSoundRenderer::UpdateSoundParams3D(SoundListener *listener, FISoundCh
FVector3 dir = pos - listener->position;
chan->DistanceSqr = dir.LengthSquared();
ALuint source = GET_PTRID(chan->SysChannel);
if(chan->ManualRolloff)
{
if(dir.DoesNotApproximatelyEqual(FVector3(0.f, 0.f, 0.f)))
@ -1433,12 +1452,24 @@ void OpenALSoundRenderer::UpdateSoundParams3D(SoundListener *listener, FISoundCh
float gain = GetRolloff(&chan->Rolloff, sqrt(chan->DistanceSqr) * chan->DistanceScale);
dir.Resize((gain > 0.00001f) ? 1.f/gain : 100000.f);
}
if(areasound && chan->DistanceSqr < AREA_SOUND_RADIUS*AREA_SOUND_RADIUS)
{
FVector3 near(0.f, !(dir.Y>=0.f) ? -1.f : 1.f, 0.f);
float a = sqrt(chan->DistanceSqr) / AREA_SOUND_RADIUS;
dir = near + (dir-near)*a;
}
}
else if(areasound && chan->DistanceSqr < AREA_SOUND_RADIUS*AREA_SOUND_RADIUS)
{
float mindist = chan->Rolloff.MinDistance / chan->DistanceScale;
FVector3 near(0.f, !(dir.Y>=0.f) ? -mindist : mindist, 0.f);
float a = sqrt(chan->DistanceSqr) / AREA_SOUND_RADIUS;
dir = near + (dir-near)*a;
}
dir += listener->position;
ALuint source = GET_PTRID(chan->SysChannel);
alSource3f(source, AL_POSITION, dir[0], dir[1], -dir[2]);
}
else
alSource3f(source, AL_POSITION, pos[0], pos[1], -pos[2]);
alSource3f(source, AL_VELOCITY, vel[0], vel[1], -vel[2]);
getALError();
}