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qzdoom/src/s_sound.cpp
Randy Heit 3ddac32b4f - Because setting a DSP unit inactive completely ceases all processing on it, including timing, 
sounds queued up while the Channel Group Target Unit is inactive will all play at the same time
  once the unit is made active. To avoid this, it is now only deactivated when the gamestate is
  GS_LEVEL. Otherwise, it just gets muted. Fixes http://forum.zdoom.org/viewtopic.php?f=2&t=33592 "Strife voices overlap"

SVN r3818 (trunk)
2012-08-10 03:49:50 +00:00

2980 lines
74 KiB
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// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// $Id: s_sound.c,v 1.3 1998/01/05 16:26:08 pekangas Exp $
//
// Copyright (C) 1993-1996 by id Software, Inc.
//
// This source is available for distribution and/or modification
// only under the terms of the DOOM Source Code License as
// published by id Software. All rights reserved.
//
// The source is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
// for more details.
//
//
// DESCRIPTION: none
//
//-----------------------------------------------------------------------------
#include <stdio.h>
#include <stdlib.h>
#ifdef _WIN32
#include <io.h>
#endif
#include <fcntl.h>
#include "i_system.h"
#include "i_sound.h"
#include "i_music.h"
#include "i_cd.h"
#include "s_sound.h"
#include "s_sndseq.h"
#include "s_playlist.h"
#include "c_dispatch.h"
#include "m_random.h"
#include "w_wad.h"
#include "doomdef.h"
#include "p_local.h"
#include "doomstat.h"
#include "cmdlib.h"
#include "v_video.h"
#include "v_text.h"
#include "a_sharedglobal.h"
#include "gstrings.h"
#include "gi.h"
#include "templates.h"
#include "timidity/timidity.h"
#include "g_level.h"
#include "po_man.h"
#include "farchive.h"
// MACROS ------------------------------------------------------------------
#ifdef NeXT
// NeXT doesn't need a binary flag in open call
#define O_BINARY 0
#endif
#ifndef O_BINARY
#define O_BINARY 0
#endif
#ifndef FIXED2FLOAT
#define FIXED2FLOAT(f) (((float)(f))/(float)65536)
#endif
#define NORM_PITCH 128
#define NORM_PRIORITY 64
#define NORM_SEP 0
#define S_PITCH_PERTURB 1
#define S_STEREO_SWING 0.75
// TYPES -------------------------------------------------------------------
struct MusPlayingInfo
{
FString name;
MusInfo *handle;
int baseorder;
bool loop;
};
enum
{
SOURCE_None, // Sound is always on top of the listener.
SOURCE_Actor, // Sound is coming from an actor.
SOURCE_Sector, // Sound is coming from a sector.
SOURCE_Polyobj, // Sound is coming from a polyobject.
SOURCE_Unattached, // Sound is not attached to any particular emitter.
};
// EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
extern float S_GetMusicVolume (const char *music);
// PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
static bool S_CheckSoundLimit(sfxinfo_t *sfx, const FVector3 &pos, int near_limit, float limit_range, AActor *actor, int channel);
static bool S_IsChannelUsed(AActor *actor, int channel, int *seen);
static void S_ActivatePlayList(bool goBack);
static void CalcPosVel(FSoundChan *chan, FVector3 *pos, FVector3 *vel);
static void CalcPosVel(int type, const AActor *actor, const sector_t *sector, const FPolyObj *poly,
const float pt[3], int channel, int chanflags, FVector3 *pos, FVector3 *vel);
static void CalcSectorSoundOrg(const sector_t *sec, int channum, fixed_t *x, fixed_t *y, fixed_t *z);
static void CalcPolyobjSoundOrg(const FPolyObj *poly, fixed_t *x, fixed_t *y, fixed_t *z);
static FSoundChan *S_StartSound(AActor *mover, const sector_t *sec, const FPolyObj *poly,
const FVector3 *pt, int channel, FSoundID sound_id, float volume, float attenuation, FRolloffInfo *rolloff);
static void S_SetListener(SoundListener &listener, AActor *listenactor);
// PRIVATE DATA DEFINITIONS ------------------------------------------------
static bool SoundPaused; // whether sound is paused
static bool MusicPaused; // whether music is paused
static MusPlayingInfo mus_playing; // music currently being played
static FString LastSong; // last music that was played
static FPlayList *PlayList;
static int RestartEvictionsAt; // do not restart evicted channels before this level.time
// PUBLIC DATA DEFINITIONS -------------------------------------------------
int sfx_empty;
FSoundChan *Channels;
FSoundChan *FreeChannels;
FRolloffInfo S_Rolloff;
BYTE *S_SoundCurve;
int S_SoundCurveSize;
FBoolCVar noisedebug ("noise", false, 0); // [RH] Print sound debugging info?
CVAR (Int, snd_channels, 32, CVAR_ARCHIVE|CVAR_GLOBALCONFIG) // number of channels available
CVAR (Bool, snd_flipstereo, false, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
// CODE --------------------------------------------------------------------
//==========================================================================
//
// S_NoiseDebug
//
// [RH] Print sound debug info. Called by status bar.
//==========================================================================
void S_NoiseDebug (void)
{
FSoundChan *chan;
FVector3 listener;
FVector3 origin;
int y, color;
y = 32 * CleanYfac;
screen->DrawText (SmallFont, CR_YELLOW, 0, y, "*** SOUND DEBUG INFO ***", TAG_DONE);
y += 8;
screen->DrawText (SmallFont, CR_GOLD, 0, y, "name", TAG_DONE);
screen->DrawText (SmallFont, CR_GOLD, 70, y, "x", TAG_DONE);
screen->DrawText (SmallFont, CR_GOLD, 120, y, "y", TAG_DONE);
screen->DrawText (SmallFont, CR_GOLD, 170, y, "z", TAG_DONE);
screen->DrawText (SmallFont, CR_GOLD, 220, y, "vol", TAG_DONE);
screen->DrawText (SmallFont, CR_GOLD, 260, y, "dist", TAG_DONE);
screen->DrawText (SmallFont, CR_GOLD, 300, y, "chan", TAG_DONE);
screen->DrawText (SmallFont, CR_GOLD, 340, y, "pri", TAG_DONE);
screen->DrawText (SmallFont, CR_GOLD, 380, y, "flags", TAG_DONE);
screen->DrawText (SmallFont, CR_GOLD, 460, y, "aud", TAG_DONE);
screen->DrawText (SmallFont, CR_GOLD, 520, y, "pos", TAG_DONE);
y += 8;
if (Channels == NULL)
{
return;
}
listener.X = FIXED2FLOAT(players[consoleplayer].camera->x);
listener.Y = FIXED2FLOAT(players[consoleplayer].camera->z);
listener.Z = FIXED2FLOAT(players[consoleplayer].camera->y);
// Display the oldest channel first.
for (chan = Channels; chan->NextChan != NULL; chan = chan->NextChan)
{ }
while (y < SCREENHEIGHT - 16)
{
char temp[32];
CalcPosVel(chan, &origin, NULL);
color = (chan->ChanFlags & CHAN_LOOP) ? CR_BROWN : CR_GREY;
// Name
Wads.GetLumpName (temp, S_sfx[chan->SoundID].lumpnum);
temp[8] = 0;
screen->DrawText (SmallFont, color, 0, y, temp, TAG_DONE);
if (!(chan->ChanFlags & CHAN_IS3D))
{
screen->DrawText(SmallFont, color, 70, y, "---", TAG_DONE); // X
screen->DrawText(SmallFont, color, 120, y, "---", TAG_DONE); // Y
screen->DrawText(SmallFont, color, 170, y, "---", TAG_DONE); // Z
screen->DrawText(SmallFont, color, 260, y, "---", TAG_DONE); // Distance
}
else
{
// X coordinate
mysnprintf(temp, countof(temp), "%.0f", origin.X);
screen->DrawText(SmallFont, color, 70, y, temp, TAG_DONE);
// Y coordinate
mysnprintf(temp, countof(temp), "%.0f", origin.Z);
screen->DrawText(SmallFont, color, 120, y, temp, TAG_DONE);
// Z coordinate
mysnprintf(temp, countof(temp), "%.0f", origin.Y);
screen->DrawText(SmallFont, color, 170, y, temp, TAG_DONE);
// Distance
if (chan->DistanceScale > 0)
{
mysnprintf(temp, countof(temp), "%.0f", (origin - listener).Length());
screen->DrawText(SmallFont, color, 260, y, temp, TAG_DONE);
}
else
{
screen->DrawText(SmallFont, color, 260, y, "---", TAG_DONE);
}
}
// Volume
mysnprintf(temp, countof(temp), "%.2g", chan->Volume);
screen->DrawText(SmallFont, color, 220, y, temp, TAG_DONE);
// Channel
mysnprintf(temp, countof(temp), "%d", chan->EntChannel);
screen->DrawText(SmallFont, color, 300, y, temp, TAG_DONE);
// Priority
mysnprintf(temp, countof(temp), "%d", chan->Priority);
screen->DrawText(SmallFont, color, 340, y, temp, TAG_DONE);
// Flags
mysnprintf(temp, countof(temp), "%s3%sZ%sU%sM%sN%sA%sL%sE%sV",
(chan->ChanFlags & CHAN_IS3D) ? TEXTCOLOR_GREEN : TEXTCOLOR_BLACK,
(chan->ChanFlags & CHAN_LISTENERZ) ? TEXTCOLOR_GREEN : TEXTCOLOR_BLACK,
(chan->ChanFlags & CHAN_UI) ? TEXTCOLOR_GREEN : TEXTCOLOR_BLACK,
(chan->ChanFlags & CHAN_MAYBE_LOCAL) ? TEXTCOLOR_GREEN : TEXTCOLOR_BLACK,
(chan->ChanFlags & CHAN_NOPAUSE) ? TEXTCOLOR_GREEN : TEXTCOLOR_BLACK,
(chan->ChanFlags & CHAN_AREA) ? TEXTCOLOR_GREEN : TEXTCOLOR_BLACK,
(chan->ChanFlags & CHAN_LOOP) ? TEXTCOLOR_GREEN : TEXTCOLOR_BLACK,
(chan->ChanFlags & CHAN_EVICTED) ? TEXTCOLOR_GREEN : TEXTCOLOR_BLACK,
(chan->ChanFlags & CHAN_VIRTUAL) ? TEXTCOLOR_GREEN : TEXTCOLOR_BLACK);
screen->DrawText(SmallFont, color, 380, y, temp, TAG_DONE);
// Audibility
mysnprintf(temp, countof(temp), "%.4f", GSnd->GetAudibility(chan));
screen->DrawText(SmallFont, color, 460, y, temp, TAG_DONE);
// Position
mysnprintf(temp, countof(temp), "%u", GSnd->GetPosition(chan));
screen->DrawText(SmallFont, color, 520, y, temp, TAG_DONE);
y += 8;
if (chan->PrevChan == &Channels)
{
break;
}
chan = (FSoundChan *)((size_t)chan->PrevChan - myoffsetof(FSoundChan, NextChan));
}
BorderNeedRefresh = screen->GetPageCount ();
}
static FString LastLocalSndInfo;
static FString LastLocalSndSeq;
void S_AddLocalSndInfo(int lump);
//==========================================================================
//
// S_Init
//
// Initializes sound stuff, including volume. Sets channels, SFX and
// music volume, allocates channel buffer, and sets S_sfx lookup.
//==========================================================================
void S_Init ()
{
int curvelump;
atterm (S_Shutdown);
// remove old data (S_Init can be called multiple times!)
if (S_SoundCurve != NULL)
{
delete[] S_SoundCurve;
S_SoundCurve = NULL;
}
// Heretic and Hexen have sound curve lookup tables. Doom does not.
curvelump = Wads.CheckNumForName ("SNDCURVE");
if (curvelump >= 0)
{
S_SoundCurveSize = Wads.LumpLength (curvelump);
S_SoundCurve = new BYTE[S_SoundCurveSize];
Wads.ReadLump(curvelump, S_SoundCurve);
}
// Free all channels for use.
while (Channels != NULL)
{
S_ReturnChannel(Channels);
}
// no sounds are playing, and they are not paused
MusicPaused = false;
}
//==========================================================================
//
// S_InitData
//
//==========================================================================
void S_InitData ()
{
LastLocalSndInfo = LastLocalSndSeq = "";
S_ParseSndInfo (false);
S_ParseSndSeq (-1);
S_ParseMusInfo();
}
//==========================================================================
//
// S_Shutdown
//
//==========================================================================
void S_Shutdown ()
{
FSoundChan *chan, *next;
chan = Channels;
while (chan != NULL)
{
next = chan->NextChan;
S_StopChannel(chan);
chan = next;
}
GSnd->UpdateSounds();
for (chan = FreeChannels; chan != NULL; chan = next)
{
next = chan->NextChan;
delete chan;
}
FreeChannels = NULL;
if (S_SoundCurve != NULL)
{
delete[] S_SoundCurve;
S_SoundCurve = NULL;
}
if (PlayList != NULL)
{
delete PlayList;
PlayList = NULL;
}
S_StopMusic (true);
mus_playing.name = "";
LastSong = "";
}
//==========================================================================
//
// S_Start
//
// Per level startup code. Kills playing sounds at start of level
// and starts new music.
//==========================================================================
void S_Start ()
{
if (GSnd)
{
// kill all playing sounds at start of level (trust me - a good idea)
S_StopAllChannels();
// Check for local sound definitions. Only reload if they differ
// from the previous ones.
FString LocalSndInfo;
FString LocalSndSeq;
// To be certain better check whether level is valid!
if (level.info)
{
LocalSndInfo = level.info->SoundInfo;
}
if (level.info)
{
LocalSndSeq = level.info->SndSeq;
}
bool parse_ss = false;
// This level uses a different local SNDINFO
if (LastLocalSndInfo.CompareNoCase(LocalSndInfo) != 0 || !level.info)
{
// First delete the old sound list
for(unsigned i = 1; i < S_sfx.Size(); i++)
{
S_UnloadSound(&S_sfx[i]);
}
// Parse the global SNDINFO
S_ParseSndInfo(true);
if (*LocalSndInfo)
{
// Now parse the local SNDINFO
int j = Wads.CheckNumForFullName(LocalSndInfo, true);
if (j>=0) S_AddLocalSndInfo(j);
}
// Also reload the SNDSEQ if the SNDINFO was replaced!
parse_ss = true;
}
else if (LastLocalSndSeq.CompareNoCase(LocalSndSeq) != 0)
{
parse_ss = true;
}
if (parse_ss)
{
S_ParseSndSeq(*LocalSndSeq? Wads.CheckNumForFullName(LocalSndSeq, true) : -1);
}
LastLocalSndInfo = LocalSndInfo;
LastLocalSndSeq = LocalSndSeq;
}
// stop the old music if it has been paused.
// This ensures that the new music is started from the beginning
// if it's the same as the last one and it has been paused.
if (MusicPaused) S_StopMusic(true);
// start new music for the level
MusicPaused = false;
// [RH] This is a lot simpler now.
if (!savegamerestore)
{
if (level.cdtrack == 0 || !S_ChangeCDMusic (level.cdtrack, level.cdid))
S_ChangeMusic (level.Music, level.musicorder);
}
}
//==========================================================================
//
// S_PrecacheLevel
//
// Like R_PrecacheLevel, but for sounds.
//
//==========================================================================
void S_PrecacheLevel ()
{
unsigned int i;
if (GSnd)
{
for (i = 0; i < S_sfx.Size(); ++i)
{
S_sfx[i].bUsed = false;
}
AActor *actor;
TThinkerIterator<AActor> iterator;
while ( (actor = iterator.Next ()) != NULL )
{
S_sfx[actor->SeeSound].bUsed = true;
S_sfx[actor->AttackSound].bUsed = true;
S_sfx[actor->PainSound].bUsed = true;
S_sfx[actor->DeathSound].bUsed = true;
S_sfx[actor->ActiveSound].bUsed = true;
S_sfx[actor->UseSound].bUsed = true;
}
for (i = 1; i < S_sfx.Size(); ++i)
{
if (S_sfx[i].bUsed)
{
S_CacheSound (&S_sfx[i]);
}
}
for (i = 1; i < S_sfx.Size(); ++i)
{
if (!S_sfx[i].bUsed && S_sfx[i].link == sfxinfo_t::NO_LINK)
{
S_UnloadSound (&S_sfx[i]);
}
}
}
}
//==========================================================================
//
// S_CacheSound
//
//==========================================================================
void S_CacheSound (sfxinfo_t *sfx)
{
if (GSnd)
{
if (sfx->bPlayerReserve)
{
return;
}
else if (sfx->bRandomHeader)
{
S_CacheRandomSound (sfx);
}
else
{
while (sfx->link != sfxinfo_t::NO_LINK)
{
sfx = &S_sfx[sfx->link];
}
sfx->bUsed = true;
S_LoadSound (sfx);
}
}
}
//==========================================================================
//
// S_UnloadSound
//
//==========================================================================
void S_UnloadSound (sfxinfo_t *sfx)
{
if (sfx->data.isValid())
{
GSnd->UnloadSound(sfx->data);
sfx->data.Clear();
DPrintf("Unloaded sound \"%s\" (%td)\n", sfx->name.GetChars(), sfx - &S_sfx[0]);
}
}
//==========================================================================
//
// S_GetChannel
//
// Returns a free channel for the system sound interface.
//
//==========================================================================
FISoundChannel *S_GetChannel(void *syschan)
{
FSoundChan *chan;
if (FreeChannels != NULL)
{
chan = FreeChannels;
S_UnlinkChannel(chan);
}
else
{
chan = new FSoundChan;
memset(chan, 0, sizeof(*chan));
}
S_LinkChannel(chan, &Channels);
chan->SysChannel = syschan;
return chan;
}
//==========================================================================
//
// S_ReturnChannel
//
// Returns a channel to the free pool.
//
//==========================================================================
void S_ReturnChannel(FSoundChan *chan)
{
S_UnlinkChannel(chan);
memset(chan, 0, sizeof(*chan));
S_LinkChannel(chan, &FreeChannels);
}
//==========================================================================
//
// S_UnlinkChannel
//
//==========================================================================
void S_UnlinkChannel(FSoundChan *chan)
{
*(chan->PrevChan) = chan->NextChan;
if (chan->NextChan != NULL)
{
chan->NextChan->PrevChan = chan->PrevChan;
}
}
//==========================================================================
//
// S_LinkChannel
//
//==========================================================================
void S_LinkChannel(FSoundChan *chan, FSoundChan **head)
{
chan->NextChan = *head;
if (chan->NextChan != NULL)
{
chan->NextChan->PrevChan = &chan->NextChan;
}
*head = chan;
chan->PrevChan = head;
}
// [RH] Split S_StartSoundAtVolume into multiple parts so that sounds can
// be specified both by id and by name. Also borrowed some stuff from
// Hexen and parameters from Quake.
//==========================================================================
//
// CalcPosVel
//
// Retrieves a sound's position and velocity for 3D sounds. This version
// is for an already playing sound.
//
//=========================================================================
static void CalcPosVel(FSoundChan *chan, FVector3 *pos, FVector3 *vel)
{
CalcPosVel(chan->SourceType, chan->Actor, chan->Sector, chan->Poly, chan->Point,
chan->EntChannel, chan->ChanFlags, pos, vel);
}
//=========================================================================
//
// CalcPosVel
//
// This version is for sounds that haven't started yet so have no channel.
//
//=========================================================================
static void CalcPosVel(int type, const AActor *actor, const sector_t *sector,
const FPolyObj *poly, const float pt[3], int channum, int chanflags, FVector3 *pos, FVector3 *vel)
{
if (pos != NULL)
{
fixed_t x, y, z;
if (players[consoleplayer].camera != NULL)
{
x = players[consoleplayer].camera->x;
y = players[consoleplayer].camera->z;
z = players[consoleplayer].camera->y;
}
else
{
z = y = x = 0;
}
switch (type)
{
case SOURCE_None:
default:
break;
case SOURCE_Actor:
// assert(actor != NULL);
if (actor != NULL)
{
x = actor->x;
y = actor->z;
z = actor->y;
}
break;
case SOURCE_Sector:
assert(sector != NULL);
if (sector != NULL)
{
if (chanflags & CHAN_AREA)
{
CalcSectorSoundOrg(sector, channum, &x, &z, &y);
}
else
{
x = sector->soundorg[0];
z = sector->soundorg[1];
chanflags |= CHAN_LISTENERZ;
}
}
break;
case SOURCE_Polyobj:
assert(poly != NULL);
CalcPolyobjSoundOrg(poly, &x, &z, &y);
break;
case SOURCE_Unattached:
pos->X = pt[0];
pos->Y = !(chanflags & CHAN_LISTENERZ) ? pt[1] : FIXED2FLOAT(y);
pos->Z = pt[2];
break;
}
if (type != SOURCE_Unattached)
{
if ((chanflags & CHAN_LISTENERZ) && players[consoleplayer].camera != NULL)
{
y = players[consoleplayer].camera != NULL ? players[consoleplayer].camera->z : 0;
}
pos->X = FIXED2FLOAT(x);
pos->Y = FIXED2FLOAT(y);
pos->Z = FIXED2FLOAT(z);
}
}
if (vel != NULL)
{
// Only actors maintain velocity information.
if (type == SOURCE_Actor && actor != NULL)
{
vel->X = FIXED2FLOAT(actor->velx) * TICRATE;
vel->Y = FIXED2FLOAT(actor->velz) * TICRATE;
vel->Z = FIXED2FLOAT(actor->vely) * TICRATE;
}
else
{
vel->Zero();
}
}
}
//==========================================================================
//
// CalcSectorSoundOrg
//
// Returns the perceived sound origin for a sector. If the listener is
// inside the sector, then the origin is their location. Otherwise, the
// origin is from the nearest wall on the sector.
//
//==========================================================================
static void CalcSectorSoundOrg(const sector_t *sec, int channum, fixed_t *x, fixed_t *y, fixed_t *z)
{
if (!(i_compatflags & COMPATF_SECTORSOUNDS))
{
// Are we inside the sector? If yes, the closest point is the one we're on.
if (P_PointInSector(*x, *y) == sec)
{
*x = players[consoleplayer].camera->x;
*y = players[consoleplayer].camera->y;
}
else
{
// Find the closest point on the sector's boundary lines and use
// that as the perceived origin of the sound.
sec->ClosestPoint(*x, *y, *x, *y);
}
}
else
{
*x = sec->soundorg[0];
*y = sec->soundorg[1];
}
// Set sound vertical position based on channel.
if (channum == CHAN_FLOOR)
{
*z = MIN(sec->floorplane.ZatPoint(*x, *y), *z);
}
else if (channum == CHAN_CEILING)
{
*z = MAX(sec->ceilingplane.ZatPoint(*x, *y), *z);
}
else if (channum == CHAN_INTERIOR)
{
*z = clamp(*z, sec->floorplane.ZatPoint(*x, *y), sec->ceilingplane.ZatPoint(*x, *y));
}
}
//==========================================================================
//
// CalcPolySoundOrg
//
// Returns the perceived sound origin for a polyobject. This is similar to
// CalcSectorSoundOrg, except there is no special case for being "inside"
// a polyobject, so the sound literally comes from the polyobject's walls.
// Vertical position of the sound always comes from the visible wall.
//
//==========================================================================
static void CalcPolyobjSoundOrg(const FPolyObj *poly, fixed_t *x, fixed_t *y, fixed_t *z)
{
side_t *side;
sector_t *sec;
poly->ClosestPoint(*x, *y, *x, *y, &side);
sec = side->sector;
*z = clamp(*z, sec->floorplane.ZatPoint(*x, *y), sec->ceilingplane.ZatPoint(*x, *y));
}
//==========================================================================
//
// S_StartSound
//
// 0 attenuation means full volume over whole level.
// 0 < attenuation means to scale the distance by that amount when
// calculating volume.
//
//==========================================================================
static FSoundChan *S_StartSound(AActor *actor, const sector_t *sec, const FPolyObj *poly,
const FVector3 *pt, int channel, FSoundID sound_id, float volume, float attenuation,
FRolloffInfo *forcedrolloff=NULL)
{
sfxinfo_t *sfx;
int chanflags;
int basepriority;
int org_id;
int pitch;
FSoundChan *chan;
FVector3 pos, vel;
FRolloffInfo *rolloff;
if (sound_id <= 0 || volume <= 0 || nosfx || nosound )
return NULL;
int type;
if (actor != NULL)
{
type = SOURCE_Actor;
}
else if (sec != NULL)
{
type = SOURCE_Sector;
}
else if (poly != NULL)
{
type = SOURCE_Polyobj;
}
else if (pt != NULL)
{
type = SOURCE_Unattached;
}
else
{
type = SOURCE_None;
}
org_id = sound_id;
chanflags = channel & ~7;
channel &= 7;
CalcPosVel(type, actor, sec, poly, &pt->X, channel, chanflags, &pos, &vel);
if (i_compatflags & COMPATF_MAGICSILENCE)
{ // For people who just can't play without a silent BFG.
channel = CHAN_WEAPON;
}
else if ((chanflags & CHAN_MAYBE_LOCAL) && (i_compatflags & COMPATF_SILENTPICKUP))
{
if (actor != NULL && actor != players[consoleplayer].camera)
{
return NULL;
}
}
sfx = &S_sfx[sound_id];
// Scale volume according to SNDINFO data.
volume = MIN(volume * sfx->Volume, 1.f);
if (volume <= 0)
return NULL;
// When resolving a link we do not want to get the NearLimit of
// the referenced sound so some additional checks are required
int near_limit = sfx->NearLimit;
float limit_range = sfx->LimitRange;
rolloff = &sfx->Rolloff;
// Resolve player sounds, random sounds, and aliases
while (sfx->link != sfxinfo_t::NO_LINK)
{
if (sfx->bPlayerReserve)
{
sound_id = FSoundID(S_FindSkinnedSound (actor, sound_id));
near_limit = S_sfx[sound_id].NearLimit;
limit_range = S_sfx[sound_id].LimitRange;
rolloff = &S_sfx[sound_id].Rolloff;
}
else if (sfx->bRandomHeader)
{
// Random sounds attenuate based on the original (random) sound as well as the chosen one.
attenuation *= sfx->Attenuation;
sound_id = FSoundID(S_PickReplacement (sound_id));
if (near_limit < 0)
{
near_limit = S_sfx[sound_id].NearLimit;
limit_range = S_sfx[sound_id].LimitRange;
}
if (rolloff->MinDistance == 0)
{
rolloff = &S_sfx[sound_id].Rolloff;
}
}
else
{
sound_id = FSoundID(sfx->link);
if (near_limit < 0)
{
near_limit = S_sfx[sound_id].NearLimit;
limit_range = S_sfx[sound_id].LimitRange;
}
if (rolloff->MinDistance == 0)
{
rolloff = &S_sfx[sound_id].Rolloff;
}
}
sfx = &S_sfx[sound_id];
}
// Attenuate the attenuation based on the sound.
attenuation *= sfx->Attenuation;
// The passed rolloff overrides any sound-specific rolloff.
if (forcedrolloff != NULL && forcedrolloff->MinDistance != 0)
{
rolloff = forcedrolloff;
}
// If no valid rolloff was set, use the global default.
if (rolloff->MinDistance == 0)
{
rolloff = &S_Rolloff;
}
// If this is a singular sound, don't play it if it's already playing.
if (sfx->bSingular && S_CheckSingular(sound_id))
{
chanflags |= CHAN_EVICTED;
}
// If the sound is unpositioned or comes from the listener, it is
// never limited.
if (type == SOURCE_None || actor == players[consoleplayer].camera)
{
near_limit = 0;
}
// If this sound doesn't like playing near itself, don't play it if
// that's what would happen.
if (near_limit > 0 && S_CheckSoundLimit(sfx, pos, near_limit, limit_range, actor, channel))
{
chanflags |= CHAN_EVICTED;
}
// If the sound is blocked and not looped, return now. If the sound
// is blocked and looped, pretend to play it so that it can
// eventually play for real.
if ((chanflags & (CHAN_EVICTED | CHAN_LOOP)) == CHAN_EVICTED)
{
return NULL;
}
// Make sure the sound is loaded.
sfx = S_LoadSound(sfx);
// The empty sound never plays.
if (sfx->lumpnum == sfx_empty)
{
return NULL;
}
// Select priority.
if (type == SOURCE_None || actor == players[consoleplayer].camera)
{
basepriority = 80;
}
else
{
basepriority = 0;
}
int seen = 0;
if (actor != NULL && channel == CHAN_AUTO)
{
// Select a channel that isn't already playing something.
// Try channel 0 first, then travel from channel 7 down.
if (!S_IsChannelUsed(actor, 0, &seen))
{
channel = 0;
}
else
{
for (channel = 7; channel > 0; --channel)
{
if (!S_IsChannelUsed(actor, channel, &seen))
{
break;
}
}
if (channel == 0)
{ // Crap. No free channels.
return NULL;
}
}
}
// If this actor is already playing something on the selected channel, stop it.
if (type != SOURCE_None && ((actor == NULL && channel != CHAN_AUTO) || (actor != NULL && S_IsChannelUsed(actor, channel, &seen))))
{
for (chan = Channels; chan != NULL; chan = chan->NextChan)
{
if (chan->SourceType == type && chan->EntChannel == channel)
{
bool foundit;
switch (type)
{
case SOURCE_Actor: foundit = (chan->Actor == actor); break;
case SOURCE_Sector: foundit = (chan->Sector == sec); break;
case SOURCE_Polyobj: foundit = (chan->Poly == poly); break;
case SOURCE_Unattached: foundit = (chan->Point[0] == pt->X && chan->Point[2] == pt->Z && chan->Point[1] == pt->Y); break;
default: foundit = false; break;
}
if (foundit)
{
S_StopChannel(chan);
break;
}
}
}
}
// sound is paused and a non-looped sound is being started.
// Such a sound would play right after unpausing which wouldn't sound right.
if (!(chanflags & CHAN_LOOP) && !(chanflags & (CHAN_UI|CHAN_NOPAUSE)) && SoundPaused)
{
return NULL;
}
// Vary the sfx pitches.
if (sfx->PitchMask != 0)
{
pitch = NORM_PITCH - (M_Random() & sfx->PitchMask) + (M_Random() & sfx->PitchMask);
}
else
{
pitch = NORM_PITCH;
}
if (chanflags & CHAN_EVICTED)
{
chan = NULL;
}
else
{
int startflags = 0;
if (chanflags & CHAN_LOOP) startflags |= SNDF_LOOP;
if (chanflags & CHAN_AREA) startflags |= SNDF_AREA;
if (chanflags & (CHAN_UI|CHAN_NOPAUSE)) startflags |= SNDF_NOPAUSE;
if (chanflags & CHAN_UI) startflags |= SNDF_NOREVERB;
if (attenuation > 0)
{
SoundListener listener;
S_SetListener(listener, players[consoleplayer].camera);
chan = (FSoundChan*)GSnd->StartSound3D (sfx->data, &listener, volume, rolloff, attenuation, pitch, basepriority, pos, vel, channel, startflags, NULL);
}
else
{
chan = (FSoundChan*)GSnd->StartSound (sfx->data, volume, pitch, startflags, NULL);
}
}
if (chan == NULL && (chanflags & CHAN_LOOP))
{
chan = (FSoundChan*)S_GetChannel(NULL);
GSnd->MarkStartTime(chan);
chanflags |= CHAN_EVICTED;
}
if (attenuation > 0)
{
chanflags |= CHAN_IS3D | CHAN_JUSTSTARTED;
}
else
{
chanflags |= CHAN_LISTENERZ | CHAN_JUSTSTARTED;
}
if (chan != NULL)
{
chan->SoundID = sound_id;
chan->OrgID = FSoundID(org_id);
chan->EntChannel = channel;
chan->Volume = volume;
chan->ChanFlags |= chanflags;
chan->NearLimit = near_limit;
chan->LimitRange = limit_range;
chan->Pitch = pitch;
chan->Priority = basepriority;
chan->DistanceScale = attenuation;
chan->SourceType = type;
switch (type)
{
case SOURCE_Actor: chan->Actor = actor; break;
case SOURCE_Sector: chan->Sector = sec; break;
case SOURCE_Polyobj: chan->Poly = poly; break;
case SOURCE_Unattached: chan->Point[0] = pt->X; chan->Point[1] = pt->Y; chan->Point[2] = pt->Z; break;
default: break;
}
}
return chan;
}
//==========================================================================
//
// S_RestartSound
//
// Attempts to restart looping sounds that were evicted from their channels.
//
//==========================================================================
void S_RestartSound(FSoundChan *chan)
{
assert(chan->ChanFlags & CHAN_EVICTED);
FSoundChan *ochan;
sfxinfo_t *sfx = &S_sfx[chan->SoundID];
// If this is a singular sound, don't play it if it's already playing.
if (sfx->bSingular && S_CheckSingular(chan->SoundID))
return;
sfx = S_LoadSound(sfx);
// The empty sound never plays.
if (sfx->lumpnum == sfx_empty)
{
return;
}
int oldflags = chan->ChanFlags;
int startflags = 0;
if (chan->ChanFlags & CHAN_LOOP) startflags |= SNDF_LOOP;
if (chan->ChanFlags & CHAN_AREA) startflags |= SNDF_AREA;
if (chan->ChanFlags & (CHAN_UI|CHAN_NOPAUSE)) startflags |= SNDF_NOPAUSE;
if (chan->ChanFlags & CHAN_ABSTIME) startflags |= SNDF_ABSTIME;
if (chan->ChanFlags & CHAN_IS3D)
{
FVector3 pos, vel;
CalcPosVel(chan, &pos, &vel);
// If this sound doesn't like playing near itself, don't play it if
// that's what would happen.
if (chan->NearLimit > 0 && S_CheckSoundLimit(&S_sfx[chan->SoundID], pos, chan->NearLimit, chan->LimitRange, NULL, 0))
{
return;
}
SoundListener listener;
S_SetListener(listener, players[consoleplayer].camera);
chan->ChanFlags &= ~(CHAN_EVICTED|CHAN_ABSTIME);
ochan = (FSoundChan*)GSnd->StartSound3D(sfx->data, &listener, chan->Volume, &chan->Rolloff, chan->DistanceScale, chan->Pitch,
chan->Priority, pos, vel, chan->EntChannel, startflags, chan);
}
else
{
chan->ChanFlags &= ~(CHAN_EVICTED|CHAN_ABSTIME);
ochan = (FSoundChan*)GSnd->StartSound(sfx->data, chan->Volume, chan->Pitch, startflags, chan);
}
assert(ochan == NULL || ochan == chan);
if (ochan == NULL)
{
chan->ChanFlags = oldflags;
}
}
//==========================================================================
//
// S_Sound - Unpositioned version
//
//==========================================================================
void S_Sound (int channel, FSoundID sound_id, float volume, float attenuation)
{
S_StartSound (NULL, NULL, NULL, NULL, channel, sound_id, volume, attenuation);
}
//==========================================================================
//
// S_Sound - An actor is source
//
//==========================================================================
void S_Sound (AActor *ent, int channel, FSoundID sound_id, float volume, float attenuation)
{
if (ent == NULL || ent->Sector->Flags & SECF_SILENT)
return;
S_StartSound (ent, NULL, NULL, NULL, channel, sound_id, volume, attenuation);
}
//==========================================================================
//
// S_SoundMinMaxDist - An actor is source
//
// Attenuation is specified as min and max distances, rather than a scalar.
//
//==========================================================================
void S_SoundMinMaxDist(AActor *ent, int channel, FSoundID sound_id, float volume, float mindist, float maxdist)
{
if (ent == NULL || ent->Sector->Flags & SECF_SILENT)
return;
FRolloffInfo rolloff;
rolloff.RolloffType = ROLLOFF_Linear;
rolloff.MinDistance = mindist;
rolloff.MaxDistance = maxdist;
S_StartSound(ent, NULL, NULL, NULL, channel, sound_id, volume, 1, &rolloff);
}
//==========================================================================
//
// S_Sound - A polyobject is source
//
//==========================================================================
void S_Sound (const FPolyObj *poly, int channel, FSoundID sound_id, float volume, float attenuation)
{
S_StartSound (NULL, NULL, poly, NULL, channel, sound_id, volume, attenuation);
}
//==========================================================================
//
// S_Sound - A point is source
//
//==========================================================================
void S_Sound (fixed_t x, fixed_t y, fixed_t z, int channel, FSoundID sound_id, float volume, float attenuation)
{
FVector3 pt(FIXED2FLOAT(x), FIXED2FLOAT(z), FIXED2FLOAT(y));
S_StartSound (NULL, NULL, NULL, &pt, channel, sound_id, volume, attenuation);
}
//==========================================================================
//
// S_Sound - An entire sector is source
//
//==========================================================================
void S_Sound (const sector_t *sec, int channel, FSoundID sfxid, float volume, float attenuation)
{
S_StartSound (NULL, sec, NULL, NULL, channel, sfxid, volume, attenuation);
}
//==========================================================================
//
// S_LoadSound
//
// Returns a pointer to the sfxinfo with the actual sound data.
//
//==========================================================================
sfxinfo_t *S_LoadSound(sfxinfo_t *sfx)
{
if (GSnd->IsNull()) return sfx;
while (!sfx->data.isValid())
{
unsigned int i;
// If the sound doesn't exist, replace it with the empty sound.
if (sfx->lumpnum == -1)
{
sfx->lumpnum = sfx_empty;
}
// See if there is another sound already initialized with this lump. If so,
// then set this one up as a link, and don't load the sound again.
for (i = 0; i < S_sfx.Size(); i++)
{
if (S_sfx[i].data.isValid() && S_sfx[i].link == sfxinfo_t::NO_LINK && S_sfx[i].lumpnum == sfx->lumpnum)
{
DPrintf ("Linked %s to %s (%d)\n", sfx->name.GetChars(), S_sfx[i].name.GetChars(), i);
sfx->link = i;
// This is necessary to avoid using the rolloff settings of the linked sound if its
// settings are different.
if (sfx->Rolloff.MinDistance == 0) sfx->Rolloff = S_Rolloff;
return &S_sfx[i];
}
}
DPrintf("Loading sound \"%s\" (%td)\n", sfx->name.GetChars(), sfx - &S_sfx[0]);
int size = Wads.LumpLength(sfx->lumpnum);
if (size > 0)
{
BYTE *sfxdata;
BYTE *sfxstart;
FWadLump wlump = Wads.OpenLumpNum(sfx->lumpnum);
sfxstart = sfxdata = new BYTE[size];
wlump.Read(sfxdata, size);
SDWORD len = LittleLong(((SDWORD *)sfxdata)[1]);
// If the sound is voc, use the custom loader.
if (strncmp ((const char *)sfxstart, "Creative Voice File", 19) == 0)
{
sfx->data = GSnd->LoadSoundVoc(sfxstart, len);
}
// If the sound is raw, just load it as such.
// Otherwise, try the sound as DMX format.
// If that fails, let FMOD try and figure it out.
else if (sfx->bLoadRAW ||
(((BYTE *)sfxdata)[0] == 3 && ((BYTE *)sfxdata)[1] == 0 && len <= size - 8))
{
int frequency;
if (sfx->bLoadRAW)
{
len = Wads.LumpLength (sfx->lumpnum);
frequency = (sfx->bForce22050 ? 22050 : 11025);
}
else
{
frequency = LittleShort(((WORD *)sfxdata)[1]);
if (frequency == 0)
{
frequency = 11025;
}
sfxstart = sfxdata + 8;
}
sfx->data = GSnd->LoadSoundRaw(sfxstart, len, frequency, 1, 8, sfx->LoopStart);
}
else
{
len = Wads.LumpLength (sfx->lumpnum);
sfx->data = GSnd->LoadSound(sfxstart, len);
}
if (sfxdata != NULL)
{
delete[] sfxdata;
}
}
if (!sfx->data.isValid())
{
if (sfx->lumpnum != sfx_empty)
{
sfx->lumpnum = sfx_empty;
continue;
}
}
break;
}
return sfx;
}
//==========================================================================
//
// S_CheckSingular
//
// Returns true if a copy of this sound is already playing.
//
//==========================================================================
bool S_CheckSingular(int sound_id)
{
for (FSoundChan *chan = Channels; chan != NULL; chan = chan->NextChan)
{
if (chan->OrgID == sound_id)
{
return true;
}
}
return false;
}
//==========================================================================
//
// S_CheckSoundLimit
//
// Limits the number of nearby copies of a sound that can play near
// each other. If there are NearLimit instances of this sound already
// playing within sqrt(limit_range) (typically 256 units) of the new sound, the
// new sound will not start.
//
// If an actor is specified, and it is already playing the same sound on
// the same channel, this sound will not be limited. In this case, we're
// restarting an already playing sound, so there's no need to limit it.
//
// Returns true if the sound should not play.
//
//==========================================================================
bool S_CheckSoundLimit(sfxinfo_t *sfx, const FVector3 &pos, int near_limit, float limit_range,
AActor *actor, int channel)
{
FSoundChan *chan;
int count;
for (chan = Channels, count = 0; chan != NULL && count < near_limit; chan = chan->NextChan)
{
if (!(chan->ChanFlags & CHAN_EVICTED) && &S_sfx[chan->SoundID] == sfx)
{
FVector3 chanorigin;
if (actor != NULL && chan->EntChannel == channel &&
chan->SourceType == SOURCE_Actor && chan->Actor == actor)
{ // We are restarting a playing sound. Always let it play.
return false;
}
CalcPosVel(chan, &chanorigin, NULL);
if ((chanorigin - pos).LengthSquared() <= limit_range)
{
count++;
}
}
}
return count >= near_limit;
}
//==========================================================================
//
// S_StopSound
//
// Stops an unpositioned sound from playing on a specific channel.
//
//==========================================================================
void S_StopSound (int channel)
{
FSoundChan *chan = Channels;
while (chan != NULL)
{
FSoundChan *next = chan->NextChan;
if (chan->SourceType == SOURCE_None &&
(chan->EntChannel == channel || (i_compatflags & COMPATF_MAGICSILENCE)))
{
S_StopChannel(chan);
}
chan = next;
}
}
//==========================================================================
//
// S_StopSound
//
// Stops a sound from a single actor from playing on a specific channel.
//
//==========================================================================
void S_StopSound (AActor *actor, int channel)
{
FSoundChan *chan = Channels;
while (chan != NULL)
{
FSoundChan *next = chan->NextChan;
if (chan->SourceType == SOURCE_Actor &&
chan->Actor == actor &&
(chan->EntChannel == channel || (i_compatflags & COMPATF_MAGICSILENCE)))
{
S_StopChannel(chan);
}
chan = next;
}
}
//==========================================================================
//
// S_StopSound
//
// Stops a sound from a single sector from playing on a specific channel.
//
//==========================================================================
void S_StopSound (const sector_t *sec, int channel)
{
FSoundChan *chan = Channels;
while (chan != NULL)
{
FSoundChan *next = chan->NextChan;
if (chan->SourceType == SOURCE_Sector &&
chan->Sector == sec &&
(chan->EntChannel == channel || (i_compatflags & COMPATF_MAGICSILENCE)))
{
S_StopChannel(chan);
}
chan = next;
}
}
//==========================================================================
//
// S_StopSound
//
// Stops a sound from a single polyobject from playing on a specific channel.
//
//==========================================================================
void S_StopSound (const FPolyObj *poly, int channel)
{
FSoundChan *chan = Channels;
while (chan != NULL)
{
FSoundChan *next = chan->NextChan;
if (chan->SourceType == SOURCE_Polyobj &&
chan->Poly == poly &&
(chan->EntChannel == channel || (i_compatflags & COMPATF_MAGICSILENCE)))
{
S_StopChannel(chan);
}
chan = next;
}
}
//==========================================================================
//
// S_StopAllChannels
//
//==========================================================================
void S_StopAllChannels ()
{
SN_StopAllSequences();
FSoundChan *chan = Channels;
while (chan != NULL)
{
FSoundChan *next = chan->NextChan;
S_StopChannel(chan);
chan = next;
}
GSnd->UpdateSounds();
}
//==========================================================================
//
// S_RelinkSound
//
// Moves all the sounds from one thing to another. If the destination is
// NULL, then the sound becomes a positioned sound.
//==========================================================================
void S_RelinkSound (AActor *from, AActor *to)
{
if (from == NULL)
return;
FSoundChan *chan = Channels;
while (chan != NULL)
{
FSoundChan *next = chan->NextChan;
if (chan->SourceType == SOURCE_Actor && chan->Actor == from)
{
if (to != NULL)
{
chan->Actor = to;
}
else if (!(chan->ChanFlags & CHAN_LOOP))
{
chan->Actor = NULL;
chan->SourceType = SOURCE_Unattached;
chan->Point[0] = FIXED2FLOAT(from->x);
chan->Point[1] = FIXED2FLOAT(from->z);
chan->Point[2] = FIXED2FLOAT(from->y);
}
else
{
S_StopChannel(chan);
}
}
chan = next;
}
}
//==========================================================================
//
// S_GetSoundPlayingInfo
//
// Is a sound being played by a specific emitter?
//==========================================================================
bool S_GetSoundPlayingInfo (const AActor *actor, int sound_id)
{
if (sound_id > 0)
{
for (FSoundChan *chan = Channels; chan != NULL; chan = chan->NextChan)
{
if (chan->OrgID == sound_id &&
chan->SourceType == SOURCE_Actor &&
chan->Actor == actor)
{
return true;
}
}
}
return false;
}
bool S_GetSoundPlayingInfo (const sector_t *sec, int sound_id)
{
if (sound_id > 0)
{
for (FSoundChan *chan = Channels; chan != NULL; chan = chan->NextChan)
{
if (chan->OrgID == sound_id &&
chan->SourceType == SOURCE_Sector &&
chan->Sector == sec)
{
return true;
}
}
}
return false;
}
bool S_GetSoundPlayingInfo (const FPolyObj *poly, int sound_id)
{
if (sound_id > 0)
{
for (FSoundChan *chan = Channels; chan != NULL; chan = chan->NextChan)
{
if (chan->OrgID == sound_id &&
chan->SourceType == SOURCE_Polyobj &&
chan->Poly == poly)
{
return true;
}
}
}
return false;
}
//==========================================================================
//
// S_IsChannelUsed
//
// Returns true if the channel is in use. Also fills in a bitmask of
// channels seen while scanning for this one, to make searching for unused
// channels faster. Initialize seen to 0 for the first call.
//
//==========================================================================
bool S_IsChannelUsed(AActor *actor, int channel, int *seen)
{
if (*seen & (1 << channel))
{
return true;
}
for (FSoundChan *chan = Channels; chan != NULL; chan = chan->NextChan)
{
if (chan->SourceType == SOURCE_Actor && chan->Actor == actor)
{
*seen |= 1 << chan->EntChannel;
if (chan->EntChannel == channel)
{
return true;
}
}
}
return false;
}
//==========================================================================
//
// S_IsActorPlayingSomething
//
//==========================================================================
bool S_IsActorPlayingSomething (AActor *actor, int channel, int sound_id)
{
if (i_compatflags & COMPATF_MAGICSILENCE)
{
channel = 0;
}
for (FSoundChan *chan = Channels; chan != NULL; chan = chan->NextChan)
{
if (chan->SourceType == SOURCE_Actor && chan->Actor == actor)
{
if (channel == 0 || chan->EntChannel == channel)
{
return sound_id <= 0 || chan->OrgID == sound_id;
}
}
}
return false;
}
//==========================================================================
//
// S_PauseSound
//
// Stop music and sound effects, during game PAUSE.
//==========================================================================
void S_PauseSound (bool notmusic, bool notsfx)
{
if (!notmusic && mus_playing.handle && !MusicPaused)
{
mus_playing.handle->Pause();
MusicPaused = true;
}
if (!notsfx)
{
SoundPaused = true;
GSnd->SetSfxPaused (true, 0);
}
}
//==========================================================================
//
// S_ResumeSound
//
// Resume music and sound effects, after game PAUSE.
//==========================================================================
void S_ResumeSound (bool notsfx)
{
if (mus_playing.handle && MusicPaused)
{
mus_playing.handle->Resume();
MusicPaused = false;
}
if (!notsfx)
{
SoundPaused = false;
GSnd->SetSfxPaused (false, 0);
}
}
//==========================================================================
//
// S_SetSoundPaused
//
// Called with state non-zero when the app is active, zero when it isn't.
//
//==========================================================================
void S_SetSoundPaused (int state)
{
if (state)
{
if (paused <= 0)
{
S_ResumeSound(true);
if (GSnd != NULL)
{
GSnd->SetInactive(SoundRenderer::INACTIVE_Active);
}
if (!netgame
#ifdef _DEBUG
&& !demoplayback
#endif
)
{
paused = 0;
}
}
}
else
{
if (paused == 0)
{
S_PauseSound(false, true);
if (GSnd != NULL)
{
GSnd->SetInactive(gamestate == GS_LEVEL ?
SoundRenderer::INACTIVE_Complete :
SoundRenderer::INACTIVE_Mute);
}
if (!netgame
#ifdef _DEBUG
&& !demoplayback
#endif
)
{
paused = -1;
}
}
}
}
//==========================================================================
//
// S_EvictAllChannels
//
// Forcibly evicts all channels so that there are none playing, but all
// information needed to restart them is retained.
//
//==========================================================================
void S_EvictAllChannels()
{
FSoundChan *chan, *next;
for (chan = Channels; chan != NULL; chan = next)
{
next = chan->NextChan;
if (!(chan->ChanFlags & CHAN_EVICTED))
{
chan->ChanFlags |= CHAN_EVICTED;
if (chan->SysChannel != NULL)
{
if (!(chan->ChanFlags & CHAN_ABSTIME))
{
chan->StartTime.AsOne = GSnd ? GSnd->GetPosition(chan) : 0;
chan->ChanFlags |= CHAN_ABSTIME;
}
S_StopChannel(chan);
}
// assert(chan->NextChan == next);
}
}
}
//==========================================================================
//
// S_RestoreEvictedChannel
//
// Recursive helper for S_RestoreEvictedChannels().
//
//==========================================================================
void S_RestoreEvictedChannel(FSoundChan *chan)
{
if (chan == NULL)
{
return;
}
S_RestoreEvictedChannel(chan->NextChan);
if (chan->ChanFlags & CHAN_EVICTED)
{
S_RestartSound(chan);
if (!(chan->ChanFlags & CHAN_LOOP))
{
if (chan->ChanFlags & CHAN_EVICTED)
{ // Still evicted and not looping? Forget about it.
S_ReturnChannel(chan);
}
else if (!(chan->ChanFlags & CHAN_JUSTSTARTED))
{ // Should this sound become evicted again, it's okay to forget about it.
chan->ChanFlags |= CHAN_FORGETTABLE;
}
}
}
else if (chan->SysChannel == NULL && (chan->ChanFlags & (CHAN_FORGETTABLE | CHAN_LOOP)) == CHAN_FORGETTABLE)
{
S_ReturnChannel(chan);
}
}
//==========================================================================
//
// S_RestoreEvictedChannels
//
// Restarts as many evicted channels as possible. Any channels that could
// not be started and are not looping are moved to the free pool.
//
//==========================================================================
void S_RestoreEvictedChannels()
{
// Restart channels in the same order they were originally played.
S_RestoreEvictedChannel(Channels);
}
//==========================================================================
//
// S_UpdateSounds
//
// Updates music & sounds
//==========================================================================
void S_UpdateSounds (AActor *listenactor)
{
FVector3 pos, vel;
SoundListener listener;
I_UpdateMusic();
// [RH] Update music and/or playlist. IsPlaying() must be called
// to attempt to reconnect to broken net streams and to advance the
// playlist when the current song finishes.
if (mus_playing.handle != NULL &&
!mus_playing.handle->IsPlaying() &&
PlayList)
{
PlayList->Advance();
S_ActivatePlayList(false);
}
// should never happen
S_SetListener(listener, listenactor);
for (FSoundChan *chan = Channels; chan != NULL; chan = chan->NextChan)
{
if ((chan->ChanFlags & (CHAN_EVICTED | CHAN_IS3D)) == CHAN_IS3D)
{
CalcPosVel(chan, &pos, &vel);
GSnd->UpdateSoundParams3D(&listener, chan, !!(chan->ChanFlags & CHAN_AREA), pos, vel);
}
chan->ChanFlags &= ~CHAN_JUSTSTARTED;
}
SN_UpdateActiveSequences();
GSnd->UpdateListener(&listener);
GSnd->UpdateSounds();
if (level.time >= RestartEvictionsAt)
{
RestartEvictionsAt = 0;
S_RestoreEvictedChannels();
}
}
//==========================================================================
//
// Sets the internal listener structure
//
//==========================================================================
static void S_SetListener(SoundListener &listener, AActor *listenactor)
{
if (listenactor != NULL)
{
listener.angle = (float)(listenactor->angle) * ((float)PI / 2147483648.f);
/*
listener.velocity.X = listenactor->velx * (TICRATE/65536.f);
listener.velocity.Y = listenactor->velz * (TICRATE/65536.f);
listener.velocity.Z = listenactor->vely * (TICRATE/65536.f);
*/
listener.velocity.Zero();
listener.position.X = FIXED2FLOAT(listenactor->x);
listener.position.Y = FIXED2FLOAT(listenactor->z);
listener.position.Z = FIXED2FLOAT(listenactor->y);
listener.underwater = listenactor->waterlevel == 3;
assert(zones != NULL);
listener.Environment = zones[listenactor->Sector->ZoneNumber].Environment;
listener.valid = true;
}
else
{
listener.angle = 0;
listener.position.Zero();
listener.velocity.Zero();
listener.underwater = false;
listener.Environment = NULL;
listener.valid = false;
}
}
//==========================================================================
//
// S_GetRolloff
//
//==========================================================================
float S_GetRolloff(FRolloffInfo *rolloff, float distance, bool logarithmic)
{
if (rolloff == NULL)
{
return 0;
}
if (distance <= rolloff->MinDistance)
{
return 1;
}
if (rolloff->RolloffType == ROLLOFF_Log)
{ // Logarithmic rolloff has no max distance where it goes silent.
return rolloff->MinDistance / (rolloff->MinDistance + rolloff->RolloffFactor * (distance - rolloff->MinDistance));
}
if (distance >= rolloff->MaxDistance)
{
return 0;
}
float volume = (rolloff->MaxDistance - distance) / (rolloff->MaxDistance - rolloff->MinDistance);
if (rolloff->RolloffType == ROLLOFF_Custom && S_SoundCurve != NULL)
{
volume = S_SoundCurve[int(S_SoundCurveSize * (1 - volume))] / 127.f;
}
if (logarithmic)
{
if (rolloff->RolloffType == ROLLOFF_Linear)
{
return volume;
}
else
{
return float((powf(10.f, volume) - 1.) / 9.);
}
}
else
{
if (rolloff->RolloffType == ROLLOFF_Linear)
{
return float(log10(9. * volume + 1.));
}
else
{
return volume;
}
}
}
//==========================================================================
//
// S_ChannelEnded (callback for sound interface code)
//
//==========================================================================
void S_ChannelEnded(FISoundChannel *ichan)
{
FSoundChan *schan = static_cast<FSoundChan*>(ichan);
bool evicted;
if (schan != NULL)
{
// If the sound was stopped with GSnd->StopSound(), then we know
// it wasn't evicted. Otherwise, if it's looping, it must have
// been evicted. If it's not looping, then it was evicted if it
// didn't reach the end of its playback.
if (schan->ChanFlags & CHAN_FORGETTABLE)
{
evicted = false;
}
else if (schan->ChanFlags & (CHAN_LOOP | CHAN_EVICTED))
{
evicted = true;
}
else
{
unsigned int pos = GSnd->GetPosition(schan);
unsigned int len = GSnd->GetSampleLength(S_sfx[schan->SoundID].data);
if (pos == 0)
{
evicted = !!(schan->ChanFlags & CHAN_JUSTSTARTED);
}
else
{
evicted = (pos < len);
}
}
/*
else
{
evicted = false;
}
*/
if (!evicted)
{
S_ReturnChannel(schan);
}
else
{
schan->ChanFlags |= CHAN_EVICTED;
schan->SysChannel = NULL;
}
}
}
//==========================================================================
//
// S_ChannelVirtualChanged (callback for sound interface code)
//
//==========================================================================
void S_ChannelVirtualChanged(FISoundChannel *ichan, bool is_virtual)
{
FSoundChan *schan = static_cast<FSoundChan*>(ichan);
if (is_virtual)
{
schan->ChanFlags |= CHAN_VIRTUAL;
}
else
{
schan->ChanFlags &= ~CHAN_VIRTUAL;
}
}
//==========================================================================
//
// S_StopChannel
//
//==========================================================================
void S_StopChannel(FSoundChan *chan)
{
if (chan == NULL)
return;
if (chan->SysChannel != NULL)
{
// S_EvictAllChannels() will set the CHAN_EVICTED flag to indicate
// that it wants to keep all the channel information around.
if (!(chan->ChanFlags & CHAN_EVICTED))
{
chan->ChanFlags |= CHAN_FORGETTABLE;
if (chan->SourceType == SOURCE_Actor)
{
chan->Actor = NULL;
}
}
GSnd->StopChannel(chan);
}
else
{
S_ReturnChannel(chan);
}
}
//==========================================================================
//
// (FArchive &) << (FSoundID &)
//
//==========================================================================
FArchive &operator<<(FArchive &arc, FSoundID &sid)
{
if (arc.IsStoring())
{
arc.WriteName((const char *)sid);
}
else
{
sid = arc.ReadName();
}
return arc;
}
//==========================================================================
//
// (FArchive &) << (FSoundChan &)
//
//==========================================================================
static FArchive &operator<<(FArchive &arc, FSoundChan &chan)
{
arc << chan.SourceType;
switch (chan.SourceType)
{
case SOURCE_None: break;
case SOURCE_Actor: arc << chan.Actor; break;
case SOURCE_Sector: arc << chan.Sector; break;
case SOURCE_Polyobj: arc << chan.Poly; break;
case SOURCE_Unattached: arc << chan.Point[0] << chan.Point[1] << chan.Point[2]; break;
default: I_Error("Unknown sound source type %d\n", chan.SourceType); break;
}
arc << chan.SoundID
<< chan.OrgID
<< chan.Volume
<< chan.DistanceScale
<< chan.Pitch
<< chan.ChanFlags
<< chan.EntChannel
<< chan.Priority
<< chan.NearLimit
<< chan.StartTime
<< chan.Rolloff.RolloffType
<< chan.Rolloff.MinDistance
<< chan.Rolloff.MaxDistance
<< chan.LimitRange;
return arc;
}
//==========================================================================
//
// S_SerializeSounds
//
//==========================================================================
void S_SerializeSounds(FArchive &arc)
{
FSoundChan *chan;
GSnd->Sync(true);
if (arc.IsStoring())
{
TArray<FSoundChan *> chans;
// Count channels and accumulate them so we can store them in
// reverse order. That way, they will be in the same order when
// reloaded later as they are now.
for (chan = Channels; chan != NULL; chan = chan->NextChan)
{
// If the sound is forgettable, this is as good a time as
// any to forget about it. And if it's a UI sound, it shouldn't
// be stored in the savegame.
if (!(chan->ChanFlags & (CHAN_FORGETTABLE | CHAN_UI)))
{
chans.Push(chan);
}
}
arc.WriteCount(chans.Size());
for (unsigned int i = chans.Size(); i-- != 0; )
{
// Replace start time with sample position.
QWORD start = chans[i]->StartTime.AsOne;
chans[i]->StartTime.AsOne = GSnd ? GSnd->GetPosition(chans[i]) : 0;
arc << *chans[i];
chans[i]->StartTime.AsOne = start;
}
}
else
{
unsigned int count;
S_StopAllChannels();
count = arc.ReadCount();
for (unsigned int i = 0; i < count; ++i)
{
chan = (FSoundChan*)S_GetChannel(NULL);
arc << *chan;
// Sounds always start out evicted when restored from a save.
chan->ChanFlags |= CHAN_EVICTED | CHAN_ABSTIME;
}
// The two tic delay is to make sure any screenwipes have finished.
// This needs to be two because the game is run for one tic before
// the wipe so that it can produce a screen to wipe to. So if we
// only waited one tic to restart the sounds, they would start
// playing before the wipe, and depending on the synchronization
// between the main thread and the mixer thread at the time, the
// sounds might be heard briefly before pausing for the wipe.
RestartEvictionsAt = level.time + 2;
}
DSeqNode::SerializeSequences(arc);
GSnd->Sync(false);
GSnd->UpdateSounds();
}
//==========================================================================
//
// S_ActivatePlayList
//
// Plays the next song in the playlist. If no songs in the playlist can be
// played, then it is deleted.
//==========================================================================
void S_ActivatePlayList (bool goBack)
{
int startpos, pos;
startpos = pos = PlayList->GetPosition ();
S_StopMusic (true);
while (!S_ChangeMusic (PlayList->GetSong (pos), 0, false, true))
{
pos = goBack ? PlayList->Backup () : PlayList->Advance ();
if (pos == startpos)
{
delete PlayList;
PlayList = NULL;
Printf ("Cannot play anything in the playlist.\n");
return;
}
}
}
//==========================================================================
//
// S_ChangeCDMusic
//
// Starts a CD track as music.
//==========================================================================
bool S_ChangeCDMusic (int track, unsigned int id, bool looping)
{
char temp[32];
if (id != 0)
{
mysnprintf (temp, countof(temp), ",CD,%d,%x", track, id);
}
else
{
mysnprintf (temp, countof(temp), ",CD,%d", track);
}
return S_ChangeMusic (temp, 0, looping);
}
//==========================================================================
//
// S_StartMusic
//
// Starts some music with the given name.
//==========================================================================
bool S_StartMusic (const char *m_id)
{
return S_ChangeMusic (m_id, 0, false);
}
//==========================================================================
//
// S_ChangeMusic
//
// Starts playing a music, possibly looping.
//
// [RH] If music is a MOD, starts it at position order. If name is of the
// format ",CD,<track>,[cd id]" song is a CD track, and if [cd id] is
// specified, it will only be played if the specified CD is in a drive.
//==========================================================================
TArray<BYTE> musiccache;
bool S_ChangeMusic (const char *musicname, int order, bool looping, bool force)
{
if (!force && PlayList)
{ // Don't change if a playlist is active
return false;
}
// allow specifying "*" as a placeholder to play the level's default music.
if (musicname != NULL && !strcmp(musicname, "*"))
{
if (gamestate == GS_LEVEL || gamestate == GS_TITLELEVEL)
{
musicname = level.Music;
order = level.musicorder;
}
else
{
musicname = NULL;
}
}
if (musicname == NULL || musicname[0] == 0)
{
// Don't choke if the map doesn't have a song attached
S_StopMusic (true);
mus_playing.name = "";
LastSong = "";
return true;
}
FString DEH_Music;
if (musicname[0] == '$')
{
// handle dehacked replacement.
// Any music name defined this way needs to be prefixed with 'D_' because
// Doom.exe does not contain the prefix so these strings don't either.
const char * mus_string = GStrings[musicname+1];
if (mus_string != NULL)
{
DEH_Music << "D_" << mus_string;
musicname = DEH_Music;
}
}
if (!mus_playing.name.IsEmpty() &&
mus_playing.handle != NULL &&
stricmp (mus_playing.name, musicname) == 0 &&
mus_playing.handle->m_Looping == looping)
{
if (order != mus_playing.baseorder)
{
if (mus_playing.handle->SetSubsong(order))
{
mus_playing.baseorder = order;
}
}
else if (!mus_playing.handle->IsPlaying())
{
mus_playing.handle->Play(looping, order);
}
return true;
}
if (strnicmp (musicname, ",CD,", 4) == 0)
{
int track = strtoul (musicname+4, NULL, 0);
const char *more = strchr (musicname+4, ',');
unsigned int id = 0;
if (more != NULL)
{
id = strtoul (more+1, NULL, 16);
}
S_StopMusic (true);
mus_playing.handle = I_RegisterCDSong (track, id);
}
else
{
int lumpnum = -1;
int offset = 0, length = 0;
int device = MDEV_DEFAULT;
MusInfo *handle = NULL;
FName musicasname = musicname;
FName *aliasp = MusicAliases.CheckKey(musicasname);
if (aliasp != NULL)
{
musicname = (musicasname = *aliasp).GetChars();
if (musicasname == NAME_None) return true;
}
int *devp = MidiDevices.CheckKey(musicasname);
if (devp != NULL) device = *devp;
// Strip off any leading file:// component.
if (strncmp(musicname, "file://", 7) == 0)
{
musicname += 7;
}
if (!FileExists (musicname))
{
if ((lumpnum = Wads.CheckNumForFullName (musicname, true, ns_music)) == -1)
{
if (strstr(musicname, "://") > musicname)
{
// Looks like a URL; try it as such.
handle = I_RegisterURLSong(musicname);
if (handle == NULL)
{
Printf ("Could not open \"%s\"\n", musicname);
return false;
}
}
else
{
Printf ("Music \"%s\" not found\n", musicname);
return false;
}
}
if (handle == NULL)
{
if (!Wads.IsUncompressedFile(lumpnum))
{
// We must cache the music data and use it from memory.
// shut down old music before reallocating and overwriting the cache!
S_StopMusic (true);
offset = -1; // this tells the low level code that the music
// is being used from memory
length = Wads.LumpLength (lumpnum);
if (length == 0)
{
return false;
}
musiccache.Resize(length);
Wads.ReadLump(lumpnum, &musiccache[0]);
}
else
{
offset = Wads.GetLumpOffset (lumpnum);
length = Wads.LumpLength (lumpnum);
if (length == 0)
{
return false;
}
}
}
}
// shutdown old music
S_StopMusic (true);
// Just record it if volume is 0
if (snd_musicvolume <= 0)
{
mus_playing.loop = looping;
mus_playing.name = musicname;
mus_playing.baseorder = order;
LastSong = musicname;
return true;
}
// load & register it
if (handle != NULL)
{
mus_playing.handle = handle;
}
else if (offset != -1)
{
mus_playing.handle = I_RegisterSong (lumpnum != -1 ?
Wads.GetWadFullName (Wads.GetLumpFile (lumpnum)) :
musicname, NULL, offset, length, device);
}
else
{
mus_playing.handle = I_RegisterSong (NULL, &musiccache[0], -1, length, device);
}
}
mus_playing.loop = looping;
mus_playing.name = musicname;
mus_playing.baseorder = 0;
LastSong = "";
if (mus_playing.handle != 0)
{ // play it
mus_playing.handle->Start(looping, S_GetMusicVolume (musicname), order);
mus_playing.baseorder = order;
return true;
}
return false;
}
//==========================================================================
//
// S_RestartMusic
//
// Must only be called from snd_reset in i_sound.cpp!
//==========================================================================
void S_RestartMusic ()
{
if (!LastSong.IsEmpty())
{
FString song = LastSong;
LastSong = "";
S_ChangeMusic (song, mus_playing.baseorder, mus_playing.loop, true);
}
}
//==========================================================================
//
// S_MIDIDeviceChanged
//
//==========================================================================
void S_MIDIDeviceChanged()
{
if (mus_playing.handle != NULL && mus_playing.handle->IsMIDI())
{
mus_playing.handle->Stop();
mus_playing.handle->Start(mus_playing.loop, -1, mus_playing.baseorder);
}
}
//==========================================================================
//
// S_GetMusic
//
//==========================================================================
int S_GetMusic (char **name)
{
int order;
if (mus_playing.name)
{
*name = copystring (mus_playing.name);
order = mus_playing.baseorder;
}
else
{
*name = NULL;
order = 0;
}
return order;
}
//==========================================================================
//
// S_StopMusic
//
//==========================================================================
void S_StopMusic (bool force)
{
// [RH] Don't stop if a playlist is active.
if ((force || PlayList == NULL) && !mus_playing.name.IsEmpty())
{
if (mus_playing.handle != NULL)
{
if (MusicPaused)
mus_playing.handle->Resume();
mus_playing.handle->Stop();
delete mus_playing.handle;
mus_playing.handle = NULL;
}
LastSong = mus_playing.name;
mus_playing.name = "";
}
}
//==========================================================================
//
// CCMD playsound
//
//==========================================================================
CCMD (playsound)
{
if (argv.argc() > 1)
{
FSoundID id = argv[1];
if (id == 0)
{
Printf("'%s' is not a sound\n", argv[1]);
}
else
{
S_Sound (CHAN_AUTO | CHAN_UI, id, 1.f, ATTN_NONE);
}
}
}
//==========================================================================
//
// CCMD loopsound
//
//==========================================================================
CCMD (loopsound)
{
if (players[consoleplayer].mo != NULL && !netgame && argv.argc() > 1)
{
FSoundID id = argv[1];
if (id == 0)
{
Printf("'%s' is not a sound\n", argv[1]);
}
else
{
AActor *icon = Spawn("SpeakerIcon", players[consoleplayer].mo->x,
players[consoleplayer].mo->y,
players[consoleplayer].mo->z + 32*FRACUNIT,
ALLOW_REPLACE);
if (icon != NULL)
{
S_Sound(icon, CHAN_BODY | CHAN_LOOP, id, 1.f, ATTN_IDLE);
}
}
}
}
//==========================================================================
//
// CCMD idmus
//
//==========================================================================
CCMD (idmus)
{
level_info_t *info;
FString map;
int l;
if (!nomusic)
{
if (argv.argc() > 1)
{
if (gameinfo.flags & GI_MAPxx)
{
l = atoi (argv[1]);
if (l <= 99)
{
map = CalcMapName (0, l);
}
else
{
Printf ("%s\n", GStrings("STSTR_NOMUS"));
return;
}
}
else
{
map = CalcMapName (argv[1][0] - '0', argv[1][1] - '0');
}
if ( (info = FindLevelInfo (map)) )
{
if (info->Music.IsNotEmpty())
{
S_ChangeMusic (info->Music, info->musicorder);
Printf ("%s\n", GStrings("STSTR_MUS"));
}
}
else
{
Printf ("%s\n", GStrings("STSTR_NOMUS"));
}
}
}
}
//==========================================================================
//
// CCMD changemus
//
//==========================================================================
CCMD (changemus)
{
if (!nomusic)
{
if (argv.argc() > 1)
{
if (PlayList)
{
delete PlayList;
PlayList = NULL;
}
S_ChangeMusic (argv[1], argv.argc() > 2 ? atoi (argv[2]) : 0);
}
else
{
const char *currentmus = mus_playing.name.GetChars();
if(currentmus != NULL && *currentmus != 0)
{
Printf ("currently playing %s\n", currentmus);
}
else
{
Printf ("no music playing\n");
}
}
}
}
//==========================================================================
//
// CCMD stopmus
//
//==========================================================================
CCMD (stopmus)
{
if (PlayList)
{
delete PlayList;
PlayList = NULL;
}
S_StopMusic (false);
LastSong = ""; // forget the last played song so that it won't get restarted if some volume changes occur
}
//==========================================================================
//
// CCMD cd_play
//
// Plays a specified track, or the entire CD if no track is specified.
//==========================================================================
CCMD (cd_play)
{
char musname[16];
if (argv.argc() == 1)
{
strcpy (musname, ",CD,");
}
else
{
mysnprintf (musname, countof(musname), ",CD,%d", atoi(argv[1]));
}
S_ChangeMusic (musname, 0, true);
}
//==========================================================================
//
// CCMD cd_stop
//
//==========================================================================
CCMD (cd_stop)
{
CD_Stop ();
}
//==========================================================================
//
// CCMD cd_eject
//
//==========================================================================
CCMD (cd_eject)
{
CD_Eject ();
}
//==========================================================================
//
// CCMD cd_close
//
//==========================================================================
CCMD (cd_close)
{
CD_UnEject ();
}
//==========================================================================
//
// CCMD cd_pause
//
//==========================================================================
CCMD (cd_pause)
{
CD_Pause ();
}
//==========================================================================
//
// CCMD cd_resume
//
//==========================================================================
CCMD (cd_resume)
{
CD_Resume ();
}
//==========================================================================
//
// CCMD playlist
//
//==========================================================================
CCMD (playlist)
{
int argc = argv.argc();
if (argc < 2 || argc > 3)
{
Printf ("playlist <playlist.m3u> [<position>|shuffle]\n");
}
else
{
if (PlayList != NULL)
{
PlayList->ChangeList (argv[1]);
}
else
{
PlayList = new FPlayList (argv[1]);
}
if (PlayList->GetNumSongs () == 0)
{
delete PlayList;
PlayList = NULL;
}
else
{
if (argc == 3)
{
if (stricmp (argv[2], "shuffle") == 0)
{
PlayList->Shuffle ();
}
else
{
PlayList->SetPosition (atoi (argv[2]));
}
}
S_ActivatePlayList (false);
}
}
}
//==========================================================================
//
// CCMD playlistpos
//
//==========================================================================
static bool CheckForPlaylist ()
{
if (PlayList == NULL)
{
Printf ("No playlist is playing.\n");
return false;
}
return true;
}
CCMD (playlistpos)
{
if (CheckForPlaylist() && argv.argc() > 1)
{
PlayList->SetPosition (atoi (argv[1]) - 1);
S_ActivatePlayList (false);
}
}
//==========================================================================
//
// CCMD playlistnext
//
//==========================================================================
CCMD (playlistnext)
{
if (CheckForPlaylist())
{
PlayList->Advance ();
S_ActivatePlayList (false);
}
}
//==========================================================================
//
// CCMD playlistprev
//
//==========================================================================
CCMD (playlistprev)
{
if (CheckForPlaylist())
{
PlayList->Backup ();
S_ActivatePlayList (true);
}
}
//==========================================================================
//
// CCMD playliststatus
//
//==========================================================================
CCMD (playliststatus)
{
if (CheckForPlaylist ())
{
Printf ("Song %d of %d:\n%s\n",
PlayList->GetPosition () + 1,
PlayList->GetNumSongs (),
PlayList->GetSong (PlayList->GetPosition ()));
}
}
//==========================================================================
//
// CCMD cachesound <sound name>
//
//==========================================================================
CCMD (cachesound)
{
if (argv.argc() < 2)
{
Printf ("Usage: cachesound <sound> ...\n");
return;
}
for (int i = 1; i < argv.argc(); ++i)
{
FSoundID sfxnum = argv[i];
if (sfxnum != 0)
{
S_CacheSound (&S_sfx[sfxnum]);
}
}
}
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