raze-gles/polymer/build/testgame/jfaud_sound.cpp

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#include <ctype.h>
#include "compat.h"
#include "baselayer.h"
#include "cache1d.h"
typedef uint64 uint64_t;
#ifdef __APPLE__
# include <jfaud/jfaud.hpp>
#else
# include "jfaud.hpp"
#endif
extern "C" {
void initsb(char,char,long,char,char,char,char);
void uninitsb(void);
void setears(long,long,long,long);
void wsayfollow(char *,long,long,long *,long *,char);
void wsay(char *,long,long,long);
void loadwaves(void);
void loadsong(char *);
void musicon(void);
void musicoff(void);
void refreshaudio(void);
}
#define NUMCHANNELS 16
#define UNITSPERMTR 640.0
#define WAVESFILE "WAVES.KWV"
static char musistat = 0;
static char songname[BMAX_PATH] = "";
static JFAud *jfaud = NULL;
static int kwvnumwaves = 0;
static struct _kwvitem {
char instname[16];
long wavleng;
long repstart;
long repleng;
long finetune;
long datastart;
} *kwvitems = NULL;
static struct {
long *posx, *posy;
JFAudMixerChannel *handle;
} sfxchans[NUMCHANNELS];
class KenFile : public JFAudFile {
private:
int fh;
public:
KenFile(const char *filename, const char *subfilename)
: JFAudFile(filename, subfilename)
{
fh = kopen4load(const_cast<char*>(filename), 0);
}
virtual ~KenFile()
{
if (fh >= 0) kclose(fh);
}
virtual bool IsOpen(void) const { return fh >= 0; }
virtual long Read(long nbytes, void *buf)
{
if (fh < 0) return -1;
return kread(fh, buf, nbytes);
}
virtual long Seek(long pos, SeekFrom where)
{
int when;
if (fh < 0) return -1;
switch (where) {
case JFAudFile::Set: when = SEEK_SET; break;
case JFAudFile::Cur: when = SEEK_CUR; break;
case JFAudFile::End: when = SEEK_END; break;
default: return -1;
}
return klseek(fh, pos, when);
}
virtual long Tell(void) const
{
if (fh < 0) return -1;
return klseek(fh, 0, SEEK_CUR);
}
virtual long Length(void) const
{
if (fh < 0) return -1;
return kfilelength(fh);
}
};
class KWVFile : public JFAudFile {
private:
int fh;
long datastart, datalen, datapos;
public:
KWVFile(const char *filename, const char *subfilename = NULL)
: JFAudFile(filename, NULL),
datastart(-1), datalen(-1), datapos(-1)
{
long i,j;
bool found = false;
if (!subfilename) return;
for (i=0;i<kwvnumwaves;i++) {
for (j=0;j<16 && subfilename[j];j++) {
if (tolower(subfilename[j]) != tolower(kwvitems[i].instname[j])) {
found = false;
break;
} else found = true;
}
if (found) {
fh = kopen4load(const_cast<char *>(filename), 0);
if (fh < 0) return;
datastart = kwvitems[i].datastart;
datalen = kwvitems[i].wavleng;
datapos = 0;
klseek(fh, datastart, SEEK_SET);
return;
}
}
}
virtual ~KWVFile()
{
if (fh >= 0) kclose(fh);
}
virtual bool IsOpen(void) const
{
return datalen > 0 && fh >= 0;
}
virtual long Read(long nbytes, void *buf)
{
if (!IsOpen()) return -1;
if (datalen - datapos < nbytes) nbytes = datalen - datapos;
if (nbytes <= 0) return 0;
nbytes = kread(fh, buf, nbytes);
if (nbytes > 0) datapos += nbytes;
return nbytes;
}
virtual long Seek(long pos, SeekFrom where)
{
long newpos;
if (!IsOpen()) return -1;
switch (where) {
case JFAudFile::Set: newpos = pos; break;
case JFAudFile::Cur: newpos = datapos + pos; break;
case JFAudFile::End: newpos = datalen + pos; break;
default: return -1;
}
if (newpos < 0) newpos = 0;
else if (newpos > datalen) newpos = datalen;
return klseek(fh, datastart + newpos, SEEK_SET);
}
virtual long Tell(void) const
{
if (!IsOpen()) return -1;
return datapos;
}
virtual long Length(void) const
{
if (!IsOpen()) return -1;
return datalen;
}
};
static JFAudFile *openfile(const char *fn, const char *subfn)
{
char *ext;
bool loadkwv = false;
ext = Bstrrchr(fn,'.');
if (!ext || Bstrcasecmp(ext, ".kwv"))
return static_cast<JFAudFile*>(new KenFile(fn,subfn));
if (!subfn) return NULL; // KWV files need a sub name
return static_cast<JFAudFile*>(new KWVFile(fn, subfn));
}
static void logfunc(const char *s) { initprintf("%s", s); }
void loadwaves(void)
{
long fh, i, datastart;
fh = kopen4load(WAVESFILE, 0);
if (fh < 0) return;
if (kread(fh, &i, 4) != 4 || i != 0) return;
if (kread(fh, &kwvnumwaves, 4) != 4) return; kwvnumwaves = B_LITTLE32(kwvnumwaves);
kwvitems = new struct _kwvitem [kwvnumwaves];
if (!kwvitems) {
kclose(fh);
return;
}
datastart = (4+4) + kwvnumwaves * (16+4*4);
for (i=0;i<kwvnumwaves;i++) {
if (kread(fh, kwvitems[i].instname, 16) != 16) return;
if (kread(fh, &kwvitems[i].wavleng, 4) != 4) return; kwvitems[i].wavleng = B_LITTLE32(kwvitems[i].wavleng);
if (kread(fh, &kwvitems[i].repstart, 4) != 4) return; kwvitems[i].repstart = B_LITTLE32(kwvitems[i].repstart);
if (kread(fh, &kwvitems[i].repleng, 4) != 4) return; kwvitems[i].repleng = B_LITTLE32(kwvitems[i].repleng);
if (kread(fh, &kwvitems[i].finetune, 4) != 4) return; kwvitems[i].finetune = B_LITTLE32(kwvitems[i].finetune);
kwvitems[i].datastart = datastart;
datastart += kwvitems[i].wavleng;
}
kclose(fh);
}
void initsb(char dadigistat, char damusistat, long dasamplerate, char danumspeakers,
char dabytespersample, char daintspersec, char daquality)
{
int i;
if (jfaud) return;
JFAud_SetLogFunc(logfunc);
jfaud = new JFAud();
if (!jfaud) return;
jfaud->SetUserOpenFunc(openfile);
musistat = 0;
if (!jfaud->InitWave(NULL, NUMCHANNELS, dasamplerate)) {
delete jfaud;
jfaud = NULL;
return;
}
musistat = damusistat;
for (i=NUMCHANNELS-1;i>=0;i--) sfxchans[i].handle = NULL;
loadwaves();
}
void uninitsb(void)
{
if (!jfaud) return;
delete jfaud;
jfaud = NULL;
if (kwvitems) delete [] kwvitems;
}
void setears(long daposx, long daposy, long daxvect, long dayvect)
{
JFAudMixer *mixer;
if (!jfaud) return;
mixer = jfaud->GetWave();
if (!mixer) return;
mixer->SetListenerPosition((float)daposx/UNITSPERMTR, 0.0, (float)daposy/UNITSPERMTR);
mixer->SetListenerOrientation((float)daxvect/UNITSPERMTR, 0.0, (float)dayvect/UNITSPERMTR, 0.0, 1.0, 0.0);
}
static int storehandle(JFAudMixerChannel *handle, long *daxplc, long *dayplc)
{
int i,empty = -1;
for (i=NUMCHANNELS-1;i>=0;i--) {
if (!sfxchans[i].handle && empty<0) empty = i;
if (sfxchans[i].handle == handle) {
empty = i;
break;
}
}
if (empty < 0) return -1;
sfxchans[empty].handle = handle;
sfxchans[empty].posx = daxplc;
sfxchans[empty].posy = dayplc;
return empty;
}
static void stopcb(int r)
{
jfaud->FreeSound(sfxchans[r].handle);
sfxchans[r].handle = NULL;
}
void wsayfollow(char *dafilename, long dafreq, long davol, long *daxplc, long *dayplc, char followstat)
{
JFAudMixerChannel *handl;
int r;
if (!jfaud) return;
handl = jfaud->PlayRawSound(WAVESFILE, dafilename, 1, 11025, 1, 1, false);
if (!handl) return;
if (followstat) r = storehandle(handl, daxplc, dayplc);
else r = storehandle(handl, NULL, NULL);
if (r >= 0) handl->SetStopCallback(stopcb, r);
handl->SetPitch((float)dafreq / 4096.0);
handl->SetGain((float)davol / 256.0);
handl->SetPosition((float)(*daxplc) / UNITSPERMTR, 0.0, (float)(*dayplc) / UNITSPERMTR);
handl->SetFollowListener(false);
handl->SetRolloff(1.0);
handl->Play();
}
void wsay(char *dafilename, long dafreq, long volume1, long volume2)
{
JFAudMixerChannel *handl;
int r;
if (!jfaud) return;
handl = jfaud->PlayRawSound(WAVESFILE, dafilename, 1, 11025, 1, 1, false);
if (!handl) return;
r = storehandle(handl, NULL, NULL);
if (r >= 0) handl->SetStopCallback(stopcb, r);
handl->SetPitch((float)dafreq / 4096.0);
handl->SetGain((float)volume1 / 256.0);
handl->SetPosition(0.0, 0.0, 0.0);
handl->SetFollowListener(true);
handl->SetRolloff(0.0);
handl->Play();
}
void loadsong(char *filename)
{
if (!jfaud) return;
strcpy(songname,filename);
}
void musicon(void)
{
if (!jfaud || !musistat || !songname[0]) return;
jfaud->PlayMusic(songname);
}
void musicoff(void)
{
if (!jfaud || !musistat) return;
jfaud->StopMusic();
}
void refreshaudio(void)
{
int i;
if (!jfaud) return;
for (i=NUMCHANNELS-1;i>=0;i--) {
if (!sfxchans[i].handle || !jfaud->IsValidSound(sfxchans[i].handle)) continue;
if (!sfxchans[i].posx || !sfxchans[i].posy) continue;
sfxchans[i].handle->SetPosition(
(float)(*sfxchans[i].posx)/UNITSPERMTR,
0.0,
(float)(*sfxchans[i].posy)/UNITSPERMTR);
}
jfaud->Update();
}