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Apply volume to sounds with origin too

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Previously sounds with an origin would always start at max volume. This is
because the distance calculation adjusts the volume, and that volume needs to
be updated every tic as distance changes. Storing the original volume works.

(cherry picked from commit 4ce347c6f2)
This commit is contained in:
James R 2020-09-08 22:40:42 -07:00
parent cc3a9b1bb1
commit be80ef5365
1 changed files with 7 additions and 8 deletions
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15
src/s_sound.c
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@ -521,6 +521,7 @@ void S_StartCaption(sfxenum_t sfx_id, INT32 cnum, UINT16 lifespan)
void S_StartSoundAtVolume(const void *origin_p, sfxenum_t sfx_id, INT32 volume)
{
const INT32 initial_volume = volume;
INT32 sep, pitch, priority, cnum;
const sfxenum_t actual_id = sfx_id;
sfxinfo_t *sfx;
@ -718,6 +719,7 @@ dontplay:
// Assigns the handle to one of the channels in the
// mix/output buffer.
channels[cnum].volume = initial_volume;
channels[cnum].handle = I_StartSound(sfx_id, volume, sep, pitch, priority, cnum);
}
@ -929,7 +931,7 @@ void S_UpdateSounds(void)
if (I_SoundIsPlaying(c->handle))
{
// initialize parameters
volume = 255; // 8 bits internal volume precision
volume = c->volume; // 8 bits internal volume precision
pitch = NORM_PITCH;
sep = NORM_SEP;
@ -1204,15 +1206,12 @@ INT32 S_AdjustSoundParams(const mobj_t *listener, const mobj_t *source, INT32 *v
}
// volume calculation
if (approx_dist < S_CLOSE_DIST)
{
// SfxVolume is now hardware volume
*vol = 255; // not snd_SfxVolume
}
else
/* not sure if it should be > (no =), but this matches the old behavior */
if (approx_dist >= S_CLOSE_DIST)
{
// distance effect
*vol = (15 * ((S_CLIPPING_DIST - approx_dist)>>FRACBITS)) / S_ATTENUATOR;
INT32 n = (15 * ((S_CLIPPING_DIST - approx_dist)>>FRACBITS));
*vol = FixedMul(*vol * FRACUNIT / 255, n) / S_ATTENUATOR;
}
return (*vol > 0);