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- sound backend update from GZDoom.

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This commit is contained in:
Christoph Oelckers 2020-09-27 09:48:18 +02:00
parent 03a0cf943e
commit a9ca6c8081
2 changed files with 34 additions and 6 deletions
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38
source/common/audio/sound/s_sound.cpp
View file

@ -41,13 +41,14 @@
#include "m_swap.h"
#include "superfasthash.h"
#include "s_music.h"
#include "m_random.h"
enum
{
DEFAULT_PITCH = 128,
};
static FRandom pr_soundpitch ("SoundPitch");
SoundEngine* soundEngine;
int sfx_empty = -1;
@ -404,6 +405,8 @@ FSoundChan *SoundEngine::StartSound(int type, const void *source,
// the referenced sound so some additional checks are required
int near_limit = sfx->NearLimit;
float limit_range = sfx->LimitRange;
float defpitch = sfx->DefPitch;
float defpitchmax = sfx->DefPitchMax;
auto pitchmask = sfx->PitchMask;
rolloff = &sfx->Rolloff;
@ -419,6 +422,8 @@ FSoundChan *SoundEngine::StartSound(int type, const void *source,
{
near_limit = newsfx->NearLimit;
limit_range = newsfx->LimitRange;
defpitch = newsfx->DefPitch;
defpitchmax = newsfx->DefPitchMax;
}
if (rolloff->MinDistance == 0)
{
@ -525,7 +530,7 @@ FSoundChan *SoundEngine::StartSound(int type, const void *source,
return NULL;
}
// Vary the sfx pitches.
// Vary the sfx pitches. Overridden by $PitchSet and A_StartSound.
if (pitchmask != 0)
{
pitch = DEFAULT_PITCH - (rand() & pitchmask) + (rand() & pitchmask);
@ -549,8 +554,8 @@ FSoundChan *SoundEngine::StartSound(int type, const void *source,
float sfxlength = (float)GSnd->GetMSLength(sfx->data) / 1000.f;
startTime = (startflags & SNDF_LOOP)
? (sfxlength > 0 ? fmod(startTime, sfxlength) : 0)
: clamp<float>(startTime, 0.f, sfxlength);
? (sfxlength > 0 ? fmodf(startTime, sfxlength) : 0.f)
: clamp(startTime, 0.f, sfxlength);
if (attenuation > 0 && type != SOURCE_None)
{
@ -597,9 +602,27 @@ FSoundChan *SoundEngine::StartSound(int type, const void *source,
{
chan->Source = source;
}
if (spitch > 0.0)
if (spitch > 0.0) // A_StartSound has top priority over all others.
SetPitch(chan, spitch);
else if (defpitch > 0.0) // $PitchSet overrides $PitchShift
{
if (defpitchmax > 0.0)
{
if (defpitchmax < defpitch)
std::swap(defpitch, defpitchmax);
if (defpitch != defpitchmax)
{
FRandom &rng = pr_soundpitch;
int random = (rng)(0x7FFF);
float frandom = random / float(0x7FFF);
defpitch = frandom * (defpitchmax - defpitch) + defpitch;
}
}
SetPitch(chan, defpitch);
}
}
return chan;
@ -1517,6 +1540,8 @@ int SoundEngine::AddSoundLump(const char* logicalname, int lump, int CurrentPitc
newsfx.Volume = 1;
newsfx.Attenuation = 1;
newsfx.PitchMask = CurrentPitchMask;
newsfx.DefPitch = 0.0;
newsfx.DefPitchMax = 0.0;
newsfx.NearLimit = nearlimit;
newsfx.LimitRange = 256 * 256;
newsfx.bRandomHeader = false;
@ -1695,3 +1720,4 @@ void S_SoundReset()
soundEngine->Reset();
S_RestartMusic();
}

2
source/common/audio/sound/s_soundinternal.h
View file

@ -29,6 +29,8 @@ struct sfxinfo_t
uint8_t PitchMask;
int16_t NearLimit; // 0 means unlimited
float LimitRange; // Range for sound limiting (squared for faster computations)
float DefPitch; // A defined pitch instead of a random one the sound plays at, similar to A_StartSound.
float DefPitchMax; // Randomized range with stronger control over pitch itself.
unsigned bRandomHeader:1;
unsigned bLoadRAW:1;