ref: 7110aba73616e4f84b933a0db1ff96c4c22a9d6f
dir: /s_sound.c/
//**************************************************************************
//**
//** S_SOUND.C: MUSIC & SFX API
//**
//**************************************************************************
// HEADER FILES ------------------------------------------------------------
#include "h2stdinc.h"
#include "doomdef.h"
#include "p_local.h" /* P_AproxDistance() */
#include "sounds.h"
#include "i_sound.h"
#include "soundst.h"
// MACROS ------------------------------------------------------------------
#define DEFAULT_ARCHIVEPATH "o:\\sound\\archive\\"
#define PRIORITY_MAX_ADJUST 10
#define DIST_ADJUST (MAX_SND_DIST/PRIORITY_MAX_ADJUST)
// TYPES -------------------------------------------------------------------
// EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
// PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
static boolean S_StopSoundID(int sound_id, int priority);
// EXTERNAL DATA DECLARATIONS ----------------------------------------------
extern int snd_MaxVolume;
extern int snd_MusicVolume;
extern int snd_Channels;
#if defined(__WATCOMC__) && defined(_DOS)
extern int snd_SfxDevice;
extern int snd_MusicDevice;
extern int snd_DesiredSfxDevice;
extern int snd_DesiredMusicDevice;
extern int tsm_ID;
#endif
extern void **lumpcache;
extern int startepisode;
extern int startmap;
// PUBLIC DATA DEFINITIONS -------------------------------------------------
/* Music info */
musicinfo_t S_music[] =
{
{ "MUS_E1M1", 0 }, // 1-1
{ "MUS_E1M2", 0 },
{ "MUS_E1M3", 0 },
{ "MUS_E1M4", 0 },
{ "MUS_E1M5", 0 },
{ "MUS_E1M6", 0 },
{ "MUS_E1M7", 0 },
{ "MUS_E1M8", 0 },
{ "MUS_E1M9", 0 },
{ "MUS_E2M1", 0 }, // 2-1
{ "MUS_E2M2", 0 },
{ "MUS_E2M3", 0 },
{ "MUS_E2M4", 0 },
{ "MUS_E1M4", 0 },
{ "MUS_E2M6", 0 },
{ "MUS_E2M7", 0 },
{ "MUS_E2M8", 0 },
{ "MUS_E2M9", 0 },
{ "MUS_E1M1", 0 }, // 3-1
{ "MUS_E3M2", 0 },
{ "MUS_E3M3", 0 },
{ "MUS_E1M6", 0 },
{ "MUS_E1M3", 0 },
{ "MUS_E1M2", 0 },
{ "MUS_E1M5", 0 },
{ "MUS_E1M9", 0 },
{ "MUS_E2M6", 0 },
{ "MUS_E1M6", 0 }, // 4-1
{ "MUS_E1M2", 0 },
{ "MUS_E1M3", 0 },
{ "MUS_E1M4", 0 },
{ "MUS_E1M5", 0 },
{ "MUS_E1M1", 0 },
{ "MUS_E1M7", 0 },
{ "MUS_E1M8", 0 },
{ "MUS_E1M9", 0 },
{ "MUS_E2M1", 0 }, // 5-1
{ "MUS_E2M2", 0 },
{ "MUS_E2M3", 0 },
{ "MUS_E2M4", 0 },
{ "MUS_E1M4", 0 },
{ "MUS_E2M6", 0 },
{ "MUS_E2M7", 0 },
{ "MUS_E2M8", 0 },
{ "MUS_E2M9", 0 },
{ "MUS_E3M2", 0 }, // 6-1
{ "MUS_E3M3", 0 }, // 6-2
{ "MUS_E1M6", 0 }, // 6-3
{ "MUS_TITL", 0 },
{ "MUS_INTR", 0 },
{ "MUS_CPTD", 0 }
};
/* Sound info */
sfxinfo_t S_sfx[] =
{
{ {0,0,0,0,0,0,0,0}, NULL, 0, -1, NULL, 0, 0 },
{ "gldhit", NULL, 32, -1, NULL, 0, 2 },
{ "gntful", NULL, 32, -1, NULL, 0, -1 },
{ "gnthit", NULL, 32, -1, NULL, 0, -1 },
{ "gntpow", NULL, 32, -1, NULL, 0, -1 },
{ "gntact", NULL, 32, -1, NULL, 0, -1 },
{ "gntuse", NULL, 32, -1, NULL, 0, -1 },
{ "phosht", NULL, 32, -1, NULL, 0, 2 },
{ "phohit", NULL, 32, -1, NULL, 0, -1 },
{ "-phopow", &S_sfx[sfx_hedat1], 32, -1, NULL, 0, 1 },
{ "lobsht", NULL, 20, -1, NULL, 0, 2 },
{ "lobhit", NULL, 20, -1, NULL, 0, 2 },
{ "lobpow", NULL, 20, -1, NULL, 0, 2 },
{ "hrnsht", NULL, 32, -1, NULL, 0, 2 },
{ "hrnhit", NULL, 32, -1, NULL, 0, 2 },
{ "hrnpow", NULL, 32, -1, NULL, 0, 2 },
{ "ramphit", NULL, 32, -1, NULL, 0, 2 },
{ "ramrain", NULL, 10, -1, NULL, 0, 2 },
{ "bowsht", NULL, 32, -1, NULL, 0, 2 },
{ "stfhit", NULL, 32, -1, NULL, 0, 2 },
{ "stfpow", NULL, 32, -1, NULL, 0, 2 },
{ "stfcrk", NULL, 32, -1, NULL, 0, 2 },
{ "impsit", NULL, 32, -1, NULL, 0, 2 },
{ "impat1", NULL, 32, -1, NULL, 0, 2 },
{ "impat2", NULL, 32, -1, NULL, 0, 2 },
{ "impdth", NULL, 80, -1, NULL, 0, 2 },
{ "-impact", &S_sfx[sfx_impsit], 20, -1, NULL, 0, 2 },
{ "imppai", NULL, 32, -1, NULL, 0, 2 },
{ "mumsit", NULL, 32, -1, NULL, 0, 2 },
{ "mumat1", NULL, 32, -1, NULL, 0, 2 },
{ "mumat2", NULL, 32, -1, NULL, 0, 2 },
{ "mumdth", NULL, 80, -1, NULL, 0, 2 },
{ "-mumact", &S_sfx[sfx_mumsit], 20, -1, NULL, 0, 2 },
{ "mumpai", NULL, 32, -1, NULL, 0, 2 },
{ "mumhed", NULL, 32, -1, NULL, 0, 2 },
{ "bstsit", NULL, 32, -1, NULL, 0, 2 },
{ "bstatk", NULL, 32, -1, NULL, 0, 2 },
{ "bstdth", NULL, 80, -1, NULL, 0, 2 },
{ "bstact", NULL, 20, -1, NULL, 0, 2 },
{ "bstpai", NULL, 32, -1, NULL, 0, 2 },
{ "clksit", NULL, 32, -1, NULL, 0, 2 },
{ "clkatk", NULL, 32, -1, NULL, 0, 2 },
{ "clkdth", NULL, 80, -1, NULL, 0, 2 },
{ "clkact", NULL, 20, -1, NULL, 0, 2 },
{ "clkpai", NULL, 32, -1, NULL, 0, 2 },
{ "snksit", NULL, 32, -1, NULL, 0, 2 },
{ "snkatk", NULL, 32, -1, NULL, 0, 2 },
{ "snkdth", NULL, 80, -1, NULL, 0, 2 },
{ "snkact", NULL, 20, -1, NULL, 0, 2 },
{ "snkpai", NULL, 32, -1, NULL, 0, 2 },
{ "kgtsit", NULL, 32, -1, NULL, 0, 2 },
{ "kgtatk", NULL, 32, -1, NULL, 0, 2 },
{ "kgtat2", NULL, 32, -1, NULL, 0, 2 },
{ "kgtdth", NULL, 80, -1, NULL, 0, 2 },
{ "-kgtact", &S_sfx[sfx_kgtsit], 20, -1, NULL, 0, 2 },
{ "kgtpai", NULL, 32, -1, NULL, 0, 2 },
{ "wizsit", NULL, 32, -1, NULL, 0, 2 },
{ "wizatk", NULL, 32, -1, NULL, 0, 2 },
{ "wizdth", NULL, 80, -1, NULL, 0, 2 },
{ "wizact", NULL, 20, -1, NULL, 0, 2 },
{ "wizpai", NULL, 32, -1, NULL, 0, 2 },
{ "minsit", NULL, 32, -1, NULL, 0, 2 },
{ "minat1", NULL, 32, -1, NULL, 0, 2 },
{ "minat2", NULL, 32, -1, NULL, 0, 2 },
{ "minat3", NULL, 32, -1, NULL, 0, 2 },
{ "mindth", NULL, 80, -1, NULL, 0, 2 },
{ "minact", NULL, 20, -1, NULL, 0, 2 },
{ "minpai", NULL, 32, -1, NULL, 0, 2 },
{ "hedsit", NULL, 32, -1, NULL, 0, 2 },
{ "hedat1", NULL, 32, -1, NULL, 0, 2 },
{ "hedat2", NULL, 32, -1, NULL, 0, 2 },
{ "hedat3", NULL, 32, -1, NULL, 0, 2 },
{ "heddth", NULL, 80, -1, NULL, 0, 2 },
{ "hedact", NULL, 20, -1, NULL, 0, 2 },
{ "hedpai", NULL, 32, -1, NULL, 0, 2 },
{ "sorzap", NULL, 32, -1, NULL, 0, 2 },
{ "sorrise", NULL, 32, -1, NULL, 0, 2 },
{ "sorsit", NULL, 200, -1, NULL, 0, 2 },
{ "soratk", NULL, 32, -1, NULL, 0, 2 },
{ "soract", NULL, 200, -1, NULL, 0, 2 },
{ "sorpai", NULL, 200, -1, NULL, 0, 2 },
{ "sordsph", NULL, 200, -1, NULL, 0, 2 },
{ "sordexp", NULL, 200, -1, NULL, 0, 2 },
{ "sordbon", NULL, 200, -1, NULL, 0, 2 },
{ "-sbtsit", &S_sfx[sfx_bstsit], 32, -1, NULL, 0, 2 },
{ "-sbtatk", &S_sfx[sfx_bstatk], 32, -1, NULL, 0, 2 },
{ "sbtdth", NULL, 80, -1, NULL, 0, 2 },
{ "sbtact", NULL, 20, -1, NULL, 0, 2 },
{ "sbtpai", NULL, 32, -1, NULL, 0, 2 },
{ "plroof", NULL, 32, -1, NULL, 0, 2 },
{ "plrpai", NULL, 32, -1, NULL, 0, 2 },
{ "plrdth", NULL, 80, -1, NULL, 0, 2 },
{ "gibdth", NULL, 100, -1, NULL, 0, 2 },
{ "plrwdth", NULL, 80, -1, NULL, 0, 2 },
{ "plrcdth", NULL, 100, -1, NULL, 0, 2 },
{ "itemup", NULL, 32, -1, NULL, 0, 2 },
{ "wpnup", NULL, 32, -1, NULL, 0, 2 },
{ "telept", NULL, 50, -1, NULL, 0, 2 },
{ "doropn", NULL, 40, -1, NULL, 0, 2 },
{ "dorcls", NULL, 40, -1, NULL, 0, 2 },
{ "dormov", NULL, 40, -1, NULL, 0, 2 },
{ "artiup", NULL, 32, -1, NULL, 0, 2 },
{ "switch", NULL, 40, -1, NULL, 0, 2 },
{ "pstart", NULL, 40, -1, NULL, 0, 2 },
{ "pstop", NULL, 40, -1, NULL, 0, 2 },
{ "stnmov", NULL, 40, -1, NULL, 0, 2 },
{ "chicpai", NULL, 32, -1, NULL, 0, 2 },
{ "chicatk", NULL, 32, -1, NULL, 0, 2 },
{ "chicdth", NULL, 40, -1, NULL, 0, 2 },
{ "chicact", NULL, 32, -1, NULL, 0, 2 },
{ "chicpk1", NULL, 32, -1, NULL, 0, 2 },
{ "chicpk2", NULL, 32, -1, NULL, 0, 2 },
{ "chicpk3", NULL, 32, -1, NULL, 0, 2 },
{ "keyup", NULL, 50, -1, NULL, 0, 2 },
{ "ripslop", NULL, 16, -1, NULL, 0, 2 },
{ "newpod", NULL, 16, -1, NULL, 0, -1 },
{ "podexp", NULL, 40, -1, NULL, 0, -1 },
{ "bounce", NULL, 16, -1, NULL, 0, 2 },
{ "-volsht", &S_sfx[sfx_bstatk], 16, -1, NULL, 0, 2 },
{ "-volhit", &S_sfx[sfx_lobhit], 16, -1, NULL, 0, 2 },
{ "burn", NULL, 10, -1, NULL, 0, 2 },
{ "splash", NULL, 10, -1, NULL, 0, 1 },
{ "gloop", NULL, 10, -1, NULL, 0, 2 },
{ "respawn", NULL, 10, -1, NULL, 0, 1 },
{ "blssht", NULL, 32, -1, NULL, 0, 2 },
{ "blshit", NULL, 32, -1, NULL, 0, 2 },
{ "chat", NULL, 100, -1, NULL, 0, 1 },
{ "artiuse", NULL, 32, -1, NULL, 0, 1 },
{ "gfrag", NULL, 100, -1, NULL, 0, 1 },
{ "waterfl", NULL, 16, -1, NULL, 0, 2 },
// Monophonic sounds
{ "wind", NULL, 16, -1, NULL, 0, 1 },
{ "amb1", NULL, 1, -1, NULL, 0, 1 },
{ "amb2", NULL, 1, -1, NULL, 0, 1 },
{ "amb3", NULL, 1, -1, NULL, 0, 1 },
{ "amb4", NULL, 1, -1, NULL, 0, 1 },
{ "amb5", NULL, 1, -1, NULL, 0, 1 },
{ "amb6", NULL, 1, -1, NULL, 0, 1 },
{ "amb7", NULL, 1, -1, NULL, 0, 1 },
{ "amb8", NULL, 1, -1, NULL, 0, 1 },
{ "amb9", NULL, 1, -1, NULL, 0, 1 },
{ "amb10", NULL, 1, -1, NULL, 0, 1 },
{ "amb11", NULL, 1, -1, NULL, 0, 0 }
};
// PRIVATE DATA DEFINITIONS ------------------------------------------------
static channel_t Channel[MAX_CHANNELS];
static int AmbChan;
static int RegisteredSong; /* the current registered song. */
static int isExternalSong;
static int NextCleanup;
static boolean MusicPaused;
static int Mus_Song = -1;
static int Mus_LumpNum;
static void *Mus_SndPtr;
static byte *SoundCurve;
// CODE --------------------------------------------------------------------
//==========================================================================
//
// S_Init
//
//==========================================================================
void S_Init(void)
{
SoundCurve = (byte *) Z_Malloc(MAX_SND_DIST, PU_STATIC, NULL);
I_StartupSound();
if (snd_Channels > 8)
{
snd_Channels = 8;
}
I_SetChannels(snd_Channels);
I_SetMusicVolume(snd_MusicVolume);
S_SetMaxVolume(true);
}
//==========================================================================
//
// S_ShutDown
//
//==========================================================================
void S_ShutDown(void)
{
#if defined(__WATCOMC__) && defined(_DOS)
if (tsm_ID == -1)
return;
#endif
if (RegisteredSong)
{
I_StopSong(RegisteredSong);
I_UnRegisterSong(RegisteredSong);
}
I_ShutdownSound();
}
//==========================================================================
//
// S_Start
//
//==========================================================================
void S_Start(void)
{
int i;
S_StartSong((gameepisode-1)*9 + gamemap-1, true);
// stop all sounds
for (i = 0; i < snd_Channels; i++)
{
if (Channel[i].handle)
{
S_StopSound(Channel[i].mo);
}
}
memset(Channel, 0, 8*sizeof(channel_t));
}
//==========================================================================
//
// S_StartSong
//
//==========================================================================
void S_StartSong(int song, boolean loop)
{
int length;
if (song == Mus_Song)
{ // don't replay an old song
return;
}
if (RegisteredSong)
{
I_StopSong(RegisteredSong);
I_UnRegisterSong(RegisteredSong);
if (!isExternalSong)
{
Z_ChangeTag(lumpcache[Mus_LumpNum], PU_CACHE);
#if defined(__WATCOMC__) && defined(_DOS)
_dpmi_unlockregion(Mus_SndPtr, lumpinfo[Mus_LumpNum].size);
#endif
}
}
if (song < mus_e1m1 || song >= NUMMUSIC)
{
return;
}
isExternalSong = I_RegisterExternalSong(S_music[song].name);
if (isExternalSong)
{
RegisteredSong = isExternalSong;
I_PlaySong(RegisteredSong, loop);
Mus_Song = song;
return;
}
Mus_LumpNum = W_GetNumForName(S_music[song].name);
length = W_LumpLength(Mus_LumpNum);
Mus_SndPtr = W_CacheLumpNum(Mus_LumpNum, PU_MUSIC);
#if defined(__WATCOMC__) && defined(_DOS)
_dpmi_lockregion(Mus_SndPtr, lumpinfo[Mus_LumpNum].size);
#endif
RegisteredSong = I_RegisterSong(Mus_SndPtr, length);
I_PlaySong(RegisteredSong, loop); // 'true' denotes endless looping.
Mus_Song = song;
}
//==========================================================================
//
// S_StartSound
//
//==========================================================================
void S_StartSound(mobj_t *origin, int sound_id)
{
static int sndcount = 0;
int i;
int dist, vol, chan;
int priority;
int angle, sep;
int absx, absy;
if (sound_id == 0 || snd_MaxVolume == 0)
return;
#if 0
if (origin == NULL)
{
origin = players[consoleplayer].mo;
// this can be uninitialized when we are newly
// started before the demos start playing !...
}
#endif
// calculate the distance before other stuff so that we can throw out
// sounds that are beyond the hearing range.
if (origin)
{
absx = abs(origin->x - players[consoleplayer].mo->x);
absy = abs(origin->y - players[consoleplayer].mo->y);
}
else
{
absx = absy = 0;
}
dist = absx + absy - (absx > absy ? absy>>1 : absx>>1);
dist >>= FRACBITS;
// dist = P_AproxDistance(origin->x-viewx, origin->y-viewy)>>FRACBITS;
if (dist >= MAX_SND_DIST)
{
// dist = MAX_SND_DIST - 1;
return; // sound is beyond the hearing range...
}
if (dist < 0)
{
dist = 0;
}
priority = S_sfx[sound_id].priority;
priority *= (10 - (dist/160));
if (!S_StopSoundID(sound_id, priority))
{
return; // other sounds have greater priority
}
for (i = 0; i < snd_Channels; i++)
{
if (!origin || origin->player)
{
i = snd_Channels;
break; // let the player have more than one sound.
}
if (origin == Channel[i].mo)
{ // only allow other mobjs one sound
S_StopSound(Channel[i].mo);
break;
}
}
if (i >= snd_Channels)
{
if (sound_id >= sfx_wind)
{
if (AmbChan != -1
&& S_sfx[sound_id].priority <=
S_sfx[Channel[AmbChan].sound_id].priority)
{
return; //ambient channel already in use
}
else
{
AmbChan = -1;
}
}
for (i = 0; i < snd_Channels; i++)
{
if (Channel[i].mo == NULL)
{
break;
}
}
if (i >= snd_Channels)
{
// look for a lower priority sound to replace.
sndcount++;
if (sndcount >= snd_Channels)
{
sndcount = 0;
}
for (chan = 0; chan < snd_Channels; chan++)
{
i = (sndcount + chan) % snd_Channels;
if (priority >= Channel[i].priority)
{
chan = -1; // denote that sound should be replaced.
break;
}
}
if (chan != -1)
{
return; // no free channels.
}
else // replace the lower priority sound.
{
if (Channel[i].handle)
{
if (I_SoundIsPlaying(Channel[i].handle))
{
I_StopSound(Channel[i].handle);
}
if (S_sfx[Channel[i].sound_id].usefulness > 0)
{
S_sfx[Channel[i].sound_id].usefulness--;
}
if (AmbChan == i)
{
AmbChan = -1;
}
}
}
}
}
if (S_sfx[sound_id].lumpnum == 0)
{
S_sfx[sound_id].lumpnum = I_GetSfxLumpNum(&S_sfx[sound_id]);
}
if (S_sfx[sound_id].snd_ptr == NULL)
{
if (W_LumpLength(S_sfx[sound_id].lumpnum) <= 8)
{
char name[9];
strncpy(name, S_sfx[sound_id].name, 8);
name[8] = '\0';
// I_Error("broken sound lump #%d (%s)\n",
fprintf(stderr, "broken sound lump #%d (%s)\n",
S_sfx[sound_id].lumpnum, name);
return;
}
S_sfx[sound_id].snd_ptr =
W_CacheLumpNum(S_sfx[sound_id].lumpnum, PU_SOUND);
#if defined(__WATCOMC__) && defined(_DOS)
_dpmi_lockregion(S_sfx[sound_id].snd_ptr,
lumpinfo[S_sfx[sound_id].lumpnum].size);
#endif
}
// calculate the volume based upon the distance from the sound origin.
// vol = (snd_MaxVolume*16 + dist*(-snd_MaxVolume*16)/MAX_SND_DIST)>>9;
vol = SoundCurve[dist];
if (!origin || origin == players[consoleplayer].mo)
{
sep = 128;
}
else
{
angle = R_PointToAngle2(players[consoleplayer].mo->x,
players[consoleplayer].mo->y,
origin->x, origin->y);
angle = (angle - viewangle)>>24;
sep = angle*2 - 128;
if (sep < 64)
sep = -sep;
if (sep > 192)
sep = 512-sep;
}
Channel[i].pitch = (byte)(127 + (M_Random() & 7) - (M_Random() & 7));
Channel[i].handle = I_StartSound(sound_id, S_sfx[sound_id].snd_ptr, vol,
sep, Channel[i].pitch, 0);
Channel[i].mo = origin;
Channel[i].sound_id = sound_id;
Channel[i].priority = priority;
if (sound_id >= sfx_wind)
{
AmbChan = i;
}
if (S_sfx[sound_id].usefulness == -1)
{
S_sfx[sound_id].usefulness = 1;
}
else
{
S_sfx[sound_id].usefulness++;
}
}
//==========================================================================
//
// S_StartSoundAtVolume
//
//==========================================================================
void S_StartSoundAtVolume(mobj_t *origin, int sound_id, int volume)
{
int i;
if (sound_id == 0 || snd_MaxVolume == 0)
return;
if (origin == NULL)
{
origin = players[displayplayer].mo;
}
if (volume == 0)
{
return;
}
volume = (volume * (snd_MaxVolume + 1) * 8)>>7;
// no priority checking, as ambient sounds would be the LOWEST.
for (i = 0; i < snd_Channels; i++)
{
if (Channel[i].mo == NULL)
{
break;
}
}
if (i >= snd_Channels)
{
return;
}
if (S_sfx[sound_id].lumpnum == 0)
{
S_sfx[sound_id].lumpnum = I_GetSfxLumpNum(&S_sfx[sound_id]);
}
if (S_sfx[sound_id].snd_ptr == NULL)
{
if (W_LumpLength(S_sfx[sound_id].lumpnum) <= 8)
{
char name[9];
strncpy(name, S_sfx[sound_id].name, 8);
name[8] = '\0';
// I_Error("broken sound lump #%d (%s)\n",
fprintf(stderr, "broken sound lump #%d (%s)\n",
S_sfx[sound_id].lumpnum, name);
return;
}
S_sfx[sound_id].snd_ptr =
W_CacheLumpNum(S_sfx[sound_id].lumpnum, PU_SOUND);
#if defined(__WATCOMC__) && defined(_DOS)
_dpmi_lockregion(S_sfx[sound_id].snd_ptr,
lumpinfo[S_sfx[sound_id].lumpnum].size);
#endif
}
Channel[i].pitch = (byte)(127 - (M_Random() & 3) + (M_Random() & 3));
Channel[i].handle = I_StartSound(sound_id, S_sfx[sound_id].snd_ptr,
volume, 128, Channel[i].pitch, 0);
Channel[i].mo = origin;
Channel[i].sound_id = sound_id;
Channel[i].priority = 1; // super low priority.
if (S_sfx[sound_id].usefulness == -1)
{
S_sfx[sound_id].usefulness = 1;
}
else
{
S_sfx[sound_id].usefulness++;
}
}
//==========================================================================
//
// S_StopSoundID
//
//==========================================================================
boolean S_StopSoundID(int sound_id, int priority)
{
int i;
int lp; //least priority
int found;
if (S_sfx[sound_id].numchannels == -1)
{
return true;
}
lp = -1; //denote the argument sound_id
found = 0;
for (i = 0; i < snd_Channels; i++)
{
if (Channel[i].sound_id == sound_id && Channel[i].mo)
{
found++; //found one. Now, should we replace it??
if (priority >= Channel[i].priority)
{ // if we're gonna kill one, then this'll be it
lp = i;
priority = Channel[i].priority;
}
}
}
if (found < S_sfx[sound_id].numchannels)
{
return true;
}
else if (lp == -1)
{
return false; // don't replace any sounds
}
if (Channel[lp].handle)
{
if (I_SoundIsPlaying(Channel[lp].handle))
{
I_StopSound(Channel[lp].handle);
}
if (S_sfx[Channel[lp].sound_id].usefulness > 0)
{
S_sfx[Channel[lp].sound_id].usefulness--;
}
Channel[lp].mo = NULL;
}
return true;
}
//==========================================================================
//
// S_StopSound
//
//==========================================================================
void S_StopSound(mobj_t *origin)
{
int i;
for (i = 0; i < snd_Channels; i++)
{
if (Channel[i].mo == origin)
{
I_StopSound(Channel[i].handle);
if (S_sfx[Channel[i].sound_id].usefulness > 0)
{
S_sfx[Channel[i].sound_id].usefulness--;
}
Channel[i].handle = 0;
Channel[i].mo = NULL;
if (AmbChan == i)
{
AmbChan = -1;
}
}
}
}
//==========================================================================
//
// S_SoundLink
//
//==========================================================================
void S_SoundLink(mobj_t *oldactor, mobj_t *newactor)
{
int i;
for (i = 0; i < snd_Channels; i++)
{
if (Channel[i].mo == oldactor)
Channel[i].mo = newactor;
}
}
//==========================================================================
//
// S_PauseSound
//
//==========================================================================
void S_PauseSound(void)
{
I_PauseSong(RegisteredSong);
}
//==========================================================================
//
// S_ResumeSound
//
//==========================================================================
void S_ResumeSound(void)
{
I_ResumeSong(RegisteredSong);
}
//==========================================================================
//
// S_UpdateSounds
//
//==========================================================================
void S_UpdateSounds(mobj_t *listener)
{
int i, dist, vol;
int angle, sep;
int priority;
int absx, absy;
listener = players[consoleplayer].mo;
if (snd_MaxVolume == 0)
{
return;
}
if (NextCleanup < gametic)
{
for (i = 0; i < NUMSFX; i++)
{
if (S_sfx[i].usefulness == 0 && S_sfx[i].snd_ptr)
{
if (lumpcache[S_sfx[i].lumpnum])
{
if (((memblock_t *) ((byte*)(lumpcache[S_sfx[i].lumpnum]) -
sizeof(memblock_t)))->id == ZONEID)
{ // taken directly from the Z_ChangeTag macro
Z_ChangeTag2(lumpcache[S_sfx[i].lumpnum], PU_CACHE);
#if defined(__WATCOMC__) && defined(_DOS)
_dpmi_unlockregion(S_sfx[i].snd_ptr,
lumpinfo[S_sfx[i].lumpnum].size);
#endif
}
}
S_sfx[i].usefulness = -1;
S_sfx[i].snd_ptr = NULL;
}
}
// Note, heretic does this every second (gametic+35)
NextCleanup = gametic + 35*30; // every 30 seconds
}
for (i = 0; i < snd_Channels; i++)
{
if (!Channel[i].handle || S_sfx[Channel[i].sound_id].usefulness == -1)
{
continue;
}
if (!I_SoundIsPlaying(Channel[i].handle))
{
if (S_sfx[Channel[i].sound_id].usefulness > 0)
{
S_sfx[Channel[i].sound_id].usefulness--;
}
Channel[i].handle = 0;
Channel[i].mo = NULL;
Channel[i].sound_id = 0;
if (AmbChan == i)
{
AmbChan = -1;
}
}
if (Channel[i].mo == NULL || Channel[i].sound_id == 0
|| Channel[i].mo == listener)
{
continue;
}
else
{
absx = abs(Channel[i].mo->x - listener->x);
absy = abs(Channel[i].mo->y - listener->y);
dist = absx+absy-(absx > absy ? absy>>1 : absx>>1);
dist >>= FRACBITS;
if (dist >= MAX_SND_DIST)
{
S_StopSound(Channel[i].mo);
continue;
}
if (dist < 0)
{
dist = 0;
}
vol = SoundCurve[dist];
angle = R_PointToAngle2(listener->x, listener->y,
Channel[i].mo->x, Channel[i].mo->y);
angle = (angle - viewangle)>>24;
sep = angle*2-128;
if(sep < 64)
sep = -sep;
if(sep > 192)
sep = 512-sep;
I_UpdateSoundParams(Channel[i].handle, vol, sep, Channel[i].pitch);
priority = S_sfx[Channel[i].sound_id].priority;
priority *= PRIORITY_MAX_ADJUST - (dist / DIST_ADJUST);
Channel[i].priority = priority;
}
}
}
//==========================================================================
//
// S_GetChannelInfo
//
//==========================================================================
void S_GetChannelInfo(SoundInfo_t *s)
{
int i;
ChanInfo_t *c;
s->channelCount = snd_Channels;
s->musicVolume = snd_MusicVolume;
s->soundVolume = snd_MaxVolume;
for (i = 0; i < snd_Channels; i++)
{
c = &s->chan[i];
c->id = Channel[i].sound_id;
c->priority = Channel[i].priority;
c->name = S_sfx[c->id].name;
c->mo = Channel[i].mo;
c->distance = P_AproxDistance(c->mo->x-viewx, c->mo->y-viewy)>>FRACBITS;
}
}
void S_SetMaxVolume(boolean fullprocess)
{
int i;
byte *SC = (byte *)W_CacheLumpName("SNDCURVE", PU_CACHE);
if (!fullprocess)
{
SoundCurve[0] = ( *(SC) * (snd_MaxVolume * 8))>>7;
}
else
{
for (i = 0; i < MAX_SND_DIST; i++)
{
SoundCurve[i] = ( *(SC + i) * (snd_MaxVolume * 8))>>7;
}
}
}
//==========================================================================
//
// S_SetMusicVolume
//
//==========================================================================
void S_SetMusicVolume(void)
{
I_SetMusicVolume(snd_MusicVolume);
if (snd_MusicVolume == 0)
{
I_PauseSong(RegisteredSong);
MusicPaused = true;
}
else if (MusicPaused)
{
MusicPaused = false;
I_ResumeSong(RegisteredSong);
}
}