1 // ALSA digital audio support
6 #include <sys/asoundlib.h>
13 #include "gr.h" // needed for piggy.h
21 //edited 05/17/99 Matt Mueller - added ifndef NO_ASM
22 //added on 980905 by adb to add inline fixmul for mixer on i386
25 #define do_fixmul(x,y) \
28 asm("imull %2\n\tshrdl %3,%1,%0" \
29 : "=a"(_ax), "=d"(_dx) \
30 : "rm"(y), "i"(16), "0"(x)); \
33 extern inline fix fixmul(fix x, fix y) { return do_fixmul(x,y); }
39 //changed on 980905 by adb to increase number of concurrent sounds
40 #define MAX_SOUND_SLOTS 32
42 #define SOUND_BUFFER_SIZE 512
46 /* This table is used to add two sound values together and pin
47 * the value to avoid overflow. (used with permission from ARDI)
48 * DPH: Taken from SDL/src/SDL_mixer.c.
50 static const ubyte mix8[] =
52 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
53 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
54 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
55 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
56 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
57 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
58 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
59 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
60 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
61 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
62 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
63 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03,
64 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E,
65 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19,
66 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24,
67 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
68 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A,
69 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45,
70 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50,
71 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B,
72 0x5C, 0x5D, 0x5E, 0x5F, 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66,
73 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71,
74 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C,
75 0x7D, 0x7E, 0x7F, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
76 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, 0x90, 0x91, 0x92,
77 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D,
78 0x9E, 0x9F, 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8,
79 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, 0xB0, 0xB1, 0xB2, 0xB3,
80 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE,
81 0xBF, 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9,
82 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 0xD1, 0xD2, 0xD3, 0xD4,
83 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF,
84 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA,
85 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5,
86 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF, 0xFF,
87 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
88 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
89 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
90 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
91 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
92 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
93 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
94 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
95 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
96 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
97 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
98 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
101 #define SOF_USED 1 // Set if this sample is used
102 #define SOF_PLAYING 2 // Set if this sample is playing on a channel
103 #define SOF_LINK_TO_OBJ 4 // Sound is linked to a moving object. If object dies, then finishes play and quits.
104 #define SOF_LINK_TO_POS 8 // Sound is linked to segment, pos
105 #define SOF_PLAY_FOREVER 16 // Play forever (or until level is stopped), otherwise plays once
107 typedef struct sound_object {
108 short signature; // A unique signature to this sound
109 ubyte flags; // Used to tell if this slot is used and/or currently playing, and how long.
110 fix max_volume; // Max volume that this sound is playing at
111 fix max_distance; // The max distance that this sound can be heard at...
112 int volume; // Volume that this sound is playing at
113 int pan; // Pan value that this sound is playing at
114 int handle; // What handle this sound is playing on. Valid only if SOF_PLAYING is set.
115 short soundnum; // The sound number that is playing
118 short segnum; // Used if SOF_LINK_TO_POS field is used
123 short objnum; // Used if SOF_LINK_TO_OBJ field is used
128 #define lp_segnum link.pos.segnum
129 #define lp_sidenum link.pos.sidenum
130 #define lp_position link.pos.position
132 #define lo_objnum link.obj.objnum
133 #define lo_objsignature link.obj.objsignature
135 #define MAX_SOUND_OBJECTS 16
136 sound_object SoundObjects[MAX_SOUND_OBJECTS];
137 short next_signature=0;
139 //added/changed on 980905 by adb to make sfx volume work, on 990221 by adb changed F1_0 to F1_0 / 2
140 #define SOUND_MAX_VOLUME (F1_0 / 2)
142 int digi_volume = SOUND_MAX_VOLUME;
147 static int digi_initialised = 0;
151 int playing; // Is there a sample playing on this channel?
152 int looped; // Play this sample looped?
153 fix pan; // 0 = far left, 1 = far right
154 fix volume; // 0 = nothing, 1 = fully on
155 //changed on 980905 by adb from char * to unsigned char *
156 unsigned char *samples;
158 unsigned int length; // Length of the sample
159 unsigned int position; // Position we are at at the moment.
160 } SoundSlots[MAX_SOUND_SLOTS];
162 static int digi_sounds_initialized = 0;
164 //added on 980905 by adb to add rotating/volume based sound kill system
165 static int digi_max_channels = 16;
166 static int next_handle = 0;
167 int SampleHandles[32];
168 void reset_sounds_on_channel(int channel);
171 /* Threading/ALSA stuff */
172 #define LOCK() pthread_mutex_lock(&mutex)
173 #define UNLOCK() pthread_mutex_unlock(&mutex)
176 pthread_mutex_t mutex;
179 void digi_reset_digi_sounds(void);
182 /* Audio mixing callback */
183 //changed on 980905 by adb to cleanup, add pan support and optimize mixer
184 static void audio_mixcallback(void *userdata, ubyte *stream, int len)
186 ubyte *streamend = stream + len;
187 struct sound_slot *sl;
189 for (sl = SoundSlots; sl < SoundSlots + MAX_SOUND_SLOTS; sl++)
193 ubyte *sldata = sl->samples + sl->position, *slend = sl->samples + sl->length;
199 if ((x = sl->pan) & 0x8000)
201 vl = 0x20000 - x * 2;
209 vl = fixmul(vl, (x = sl->volume));
211 while (sp < streamend)
220 sldata = sl->samples;
222 v = *(sldata++) - 0x80;
223 *(sp++) = mix8[ *sp + fixmul(v, vl) + 0x80 ];
224 *(sp++) = mix8[ *sp + fixmul(v, vr) + 0x80 ];
226 sl->position = sldata - sl->samples;
232 void *mixer_thread(void *data) {
235 /* Allow ourselves to be asynchronously cancelled */
236 pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
238 // printf("i=%d\n",i++);
239 memset(buffer, 0x80, 512);
241 audio_mixcallback(NULL,buffer,512);
243 snd_pcm_write(snd_devhandle, buffer, 512);
249 /* Initialise audio devices. */
252 int card=0, device=0, err;
253 snd_pcm_format_t format;
254 snd_pcm_playback_params_t params;
256 pthread_mutexattr_t mutexattr;
258 //added on 980905 by adb to init sound kill system
259 memset(SampleHandles, 255, sizeof(SampleHandles));
262 /* Open the ALSA sound device */
263 if ((err = snd_pcm_open(&snd_devhandle, card, device,
264 SND_PCM_OPEN_PLAYBACK)) < 0) {
265 fprintf(stderr, "open failed: %s\n", snd_strerror( err ));
269 memset(&format, 0, sizeof(format));
270 format.format = SND_PCM_SFMT_U8;
273 if ((err = snd_pcm_playback_format(snd_devhandle, &format)) < 0) {
274 fprintf(stderr, "format setup failed: %s\n", snd_strerror( err ));
275 snd_pcm_close( snd_devhandle );
279 memset(¶ms, 0, sizeof(params));
280 params.fragment_size=512;
281 params.fragments_max=2;
282 params.fragments_room=1;
283 if ((err = snd_pcm_playback_params(snd_devhandle, ¶ms)) < 0) {
284 fprintf(stderr, "params setup failed: %s\n", snd_strerror( err ));
285 snd_pcm_close( snd_devhandle );
289 /* Start the mixer thread */
291 /* We really should check the results of these */
292 pthread_mutexattr_init(&mutexattr);
293 pthread_mutex_init(&mutex,&mutexattr);
294 pthread_mutexattr_destroy(&mutexattr);
296 if (pthread_attr_init(&attr) != 0) {
297 fprintf(stderr, "failed to init attr\n");
298 snd_pcm_close( snd_devhandle );
302 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
304 pthread_create(&thread_id,&attr,mixer_thread,NULL);
305 pthread_attr_destroy(&attr);
308 digi_initialised = 1;
313 void digi_reset() { }
315 /* Shut down audio */
318 if (!digi_initialised) return;
319 digi_initialised = 0;
320 snd_pcm_close(snd_devhandle);
321 pthread_mutex_destroy(&mutex);
322 pthread_cancel(thread_id);
325 /* Find the sound which actually equates to a sound number */
326 int digi_xlat_sound(int soundno)
328 if ( soundno < 0 ) return -1;
331 soundno = AltSounds[soundno];
332 if ( soundno == 255 ) return -1;
334 return Sounds[soundno];
337 static int get_free_slot()
340 for (i=0; i<MAX_SOUND_SLOTS; i++)
342 if (!SoundSlots[i].playing) return i;
347 int digi_start_sound(int soundnum, fix volume, fix pan)
352 if (!digi_initialised) return -1;
354 //added on 980905 by adb from original source to add sound kill system
355 // play at most digi_max_channel samples, if possible kill sample with low volume
359 if ( (SampleHandles[next_handle] >= 0) && (SoundSlots[SampleHandles[next_handle]].playing) )
361 if ( (SoundSlots[SampleHandles[next_handle]].volume > digi_volume) && (ntries<digi_max_channels) )
363 //mprintf(( 0, "Not stopping loud sound %d.\n", next_handle ));
365 if ( next_handle >= digi_max_channels )
370 //mprintf(( 0, "[SS:%d]", next_handle ));
371 SoundSlots[SampleHandles[next_handle]].playing = 0;
372 SampleHandles[next_handle] = -1;
376 slot = get_free_slot();
377 if (slot<0) return -1;
379 SoundSlots[slot].soundno = soundnum;
380 SoundSlots[slot].samples = GameSounds[soundnum].data;
381 SoundSlots[slot].length = GameSounds[soundnum].length;
382 SoundSlots[slot].volume = fixmul(digi_volume, volume);
383 SoundSlots[slot].pan = pan;
384 SoundSlots[slot].position = 0;
385 SoundSlots[slot].looped = 0;
386 SoundSlots[slot].playing = 1;
388 //added on 980905 by adb to add sound kill system from original sos digi.c
389 reset_sounds_on_channel(slot);
390 SampleHandles[next_handle] = slot;
392 if ( next_handle >= digi_max_channels )
399 //added on 980905 by adb to add sound kill system from original sos digi.c
400 void reset_sounds_on_channel( int channel )
404 for (i=0; i<digi_max_channels; i++)
405 if (SampleHandles[i] == channel)
406 SampleHandles[i] = -1;
410 int digi_start_sound_object(int obj)
414 if (!digi_initialised) return -1;
416 slot = get_free_slot();
418 if (slot<0) { UNLOCK(); return -1; }
421 SoundSlots[slot].soundno = SoundObjects[obj].soundnum;
422 SoundSlots[slot].samples = GameSounds[SoundObjects[obj].soundnum].data;
423 SoundSlots[slot].length = GameSounds[SoundObjects[obj].soundnum].length;
424 SoundSlots[slot].volume = fixmul(digi_volume, SoundObjects[obj].volume);
425 SoundSlots[slot].pan = SoundObjects[obj].pan;
426 SoundSlots[slot].position = 0;
427 SoundSlots[slot].looped = (SoundObjects[obj].flags & SOF_PLAY_FOREVER);
428 SoundSlots[slot].playing = 1;
430 SoundObjects[obj].signature = next_signature++;
431 SoundObjects[obj].handle = slot;
433 SoundObjects[obj].flags |= SOF_PLAYING;
434 //added on 980905 by adb to add sound kill system from original sos digi.c
435 reset_sounds_on_channel(slot);
443 // Play the given sound number.
444 // Volume is max at F1_0.
445 void digi_play_sample( int soundno, fix max_volume )
448 if ( Newdemo_state == ND_STATE_RECORDING )
449 newdemo_record_sound( soundno );
451 soundno = digi_xlat_sound(soundno);
453 if (!digi_initialised) return;
455 if (soundno < 0 ) return;
457 digi_start_sound(soundno, max_volume, F0_5);
460 // Play the given sound number. If the sound is already playing,
462 void digi_play_sample_once( int soundno, fix max_volume )
467 if ( Newdemo_state == ND_STATE_RECORDING )
468 newdemo_record_sound( soundno );
470 soundno = digi_xlat_sound(soundno);
472 if (!digi_initialised) return;
474 if (soundno < 0 ) return;
477 for (i=0; i < MAX_SOUND_SLOTS; i++)
478 if (SoundSlots[i].soundno == soundno)
479 SoundSlots[i].playing = 0;
481 digi_start_sound(soundno, max_volume, F0_5);
485 void digi_play_sample_3d( int soundno, int angle, int volume, int no_dups ) // Volume from 0-0x7fff
490 if ( Newdemo_state == ND_STATE_RECORDING ) {
492 newdemo_record_sound_3d_once( soundno, angle, volume );
494 newdemo_record_sound_3d( soundno, angle, volume );
497 soundno = digi_xlat_sound(soundno);
499 if (!digi_initialised) return;
500 if (soundno < 0 ) return;
502 if (volume < MIN_VOLUME ) return;
503 digi_start_sound(soundno, volume, angle);
506 void digi_get_sound_loc( vms_matrix * listener, vms_vector * listener_pos, int listener_seg, vms_vector * sound_pos, int sound_seg, fix max_volume, int *volume, int *pan, fix max_distance )
508 vms_vector vector_to_sound;
509 fix angle_from_ear, cosang,sinang;
516 max_distance = (max_distance*5)/4; // Make all sounds travel 1.25 times as far.
518 // Warning: Made the vm_vec_normalized_dir be vm_vec_normalized_dir_quick and got illegal values to acos in the fang computation.
519 distance = vm_vec_normalized_dir_quick( &vector_to_sound, sound_pos, listener_pos );
521 if (distance < max_distance ) {
522 int num_search_segs = f2i(max_distance/20);
523 if ( num_search_segs < 1 ) num_search_segs = 1;
525 path_distance = find_connected_distance(listener_pos, listener_seg, sound_pos, sound_seg, num_search_segs, WID_RENDPAST_FLAG );
526 if ( path_distance > -1 ) {
527 *volume = max_volume - fixdiv(path_distance,max_distance);
528 //mprintf( (0, "Sound path distance %.2f, volume is %d / %d\n", f2fl(distance), *volume, max_volume ));
530 angle_from_ear = vm_vec_delta_ang_norm(&listener->rvec,&vector_to_sound,&listener->uvec);
531 fix_sincos(angle_from_ear,&sinang,&cosang);
532 //mprintf( (0, "volume is %.2f\n", f2fl(*volume) ));
533 if (Config_channels_reversed) cosang *= -1;
534 *pan = (cosang + F1_0)/2;
542 int digi_link_sound_to_object2( int org_soundnum, short objnum, int forever, fix max_volume, fix max_distance )
548 soundnum = digi_xlat_sound(org_soundnum);
550 if ( max_volume < 0 ) return -1;
551 // if ( max_volume > F1_0 ) max_volume = F1_0;
553 if (!digi_initialised) return -1;
554 if (soundnum < 0 ) return -1;
555 if (GameSounds[soundnum].data==NULL) {
559 if ((objnum<0)||(objnum>Highest_object_index))
563 // Hack to keep sounds from building up...
564 digi_get_sound_loc( &Viewer->orient, &Viewer->pos, Viewer->segnum, &Objects[objnum].pos, Objects[objnum].segnum, max_volume,&volume, &pan, max_distance );
565 digi_play_sample_3d( org_soundnum, pan, volume, 0 );
569 for (i=0; i<MAX_SOUND_OBJECTS; i++ )
570 if (SoundObjects[i].flags==0)
573 if (i==MAX_SOUND_OBJECTS) {
574 mprintf((1, "Too many sound objects!\n" ));
578 SoundObjects[i].signature=next_signature++;
579 SoundObjects[i].flags = SOF_USED | SOF_LINK_TO_OBJ;
581 SoundObjects[i].flags |= SOF_PLAY_FOREVER;
582 SoundObjects[i].lo_objnum = objnum;
583 SoundObjects[i].lo_objsignature = Objects[objnum].signature;
584 SoundObjects[i].max_volume = max_volume;
585 SoundObjects[i].max_distance = max_distance;
586 SoundObjects[i].volume = 0;
587 SoundObjects[i].pan = 0;
588 SoundObjects[i].soundnum = soundnum;
590 objp = &Objects[SoundObjects[i].lo_objnum];
591 digi_get_sound_loc( &Viewer->orient, &Viewer->pos, Viewer->segnum,
592 &objp->pos, objp->segnum, SoundObjects[i].max_volume,
593 &SoundObjects[i].volume, &SoundObjects[i].pan, SoundObjects[i].max_distance );
595 if (!forever || SoundObjects[i].volume >= MIN_VOLUME)
596 digi_start_sound_object(i);
598 return SoundObjects[i].signature;
601 int digi_link_sound_to_object( int soundnum, short objnum, int forever, fix max_volume )
602 { return digi_link_sound_to_object2( soundnum, objnum, forever, max_volume, 256*F1_0); }
604 int digi_link_sound_to_pos2( int org_soundnum, short segnum, short sidenum, vms_vector * pos, int forever, fix max_volume, fix max_distance )
609 soundnum = digi_xlat_sound(org_soundnum);
611 if ( max_volume < 0 ) return -1;
612 // if ( max_volume > F1_0 ) max_volume = F1_0;
614 if (!digi_initialised) return -1;
615 if (soundnum < 0 ) return -1;
616 if (GameSounds[soundnum].data==NULL) {
621 if ((segnum<0)||(segnum>Highest_segment_index))
625 // Hack to keep sounds from building up...
626 digi_get_sound_loc( &Viewer->orient, &Viewer->pos, Viewer->segnum, pos, segnum, max_volume, &volume, &pan, max_distance );
627 digi_play_sample_3d( org_soundnum, pan, volume, 0 );
631 for (i=0; i<MAX_SOUND_OBJECTS; i++ )
632 if (SoundObjects[i].flags==0)
635 if (i==MAX_SOUND_OBJECTS) {
636 mprintf((1, "Too many sound objects!\n" ));
641 SoundObjects[i].signature=next_signature++;
642 SoundObjects[i].flags = SOF_USED | SOF_LINK_TO_POS;
644 SoundObjects[i].flags |= SOF_PLAY_FOREVER;
645 SoundObjects[i].lp_segnum = segnum;
646 SoundObjects[i].lp_sidenum = sidenum;
647 SoundObjects[i].lp_position = *pos;
648 SoundObjects[i].soundnum = soundnum;
649 SoundObjects[i].max_volume = max_volume;
650 SoundObjects[i].max_distance = max_distance;
651 SoundObjects[i].volume = 0;
652 SoundObjects[i].pan = 0;
653 digi_get_sound_loc( &Viewer->orient, &Viewer->pos, Viewer->segnum,
654 &SoundObjects[i].lp_position, SoundObjects[i].lp_segnum,
655 SoundObjects[i].max_volume,
656 &SoundObjects[i].volume, &SoundObjects[i].pan, SoundObjects[i].max_distance );
658 if (!forever || SoundObjects[i].volume >= MIN_VOLUME)
659 digi_start_sound_object(i);
661 return SoundObjects[i].signature;
664 int digi_link_sound_to_pos( int soundnum, short segnum, short sidenum, vms_vector * pos, int forever, fix max_volume )
666 return digi_link_sound_to_pos2( soundnum, segnum, sidenum, pos, forever, max_volume, F1_0 * 256 );
669 void digi_kill_sound_linked_to_segment( int segnum, int sidenum, int soundnum )
673 soundnum = digi_xlat_sound(soundnum);
675 if (!digi_initialised) return;
679 for (i=0; i<MAX_SOUND_OBJECTS; i++ ) {
680 if ( (SoundObjects[i].flags & SOF_USED) && (SoundObjects[i].flags & SOF_LINK_TO_POS) ) {
681 if ((SoundObjects[i].lp_segnum == segnum) && (SoundObjects[i].soundnum==soundnum ) && (SoundObjects[i].lp_sidenum==sidenum) ) {
682 if ( SoundObjects[i].flags & SOF_PLAYING ) {
684 SoundSlots[SoundObjects[i].handle].playing = 0;
687 SoundObjects[i].flags = 0; // Mark as dead, so some other sound can use this sound
692 // If this assert happens, it means that there were 2 sounds
693 // that got deleted. Weird, get John.
695 mprintf( (1, "ERROR: More than 1 sounds were deleted from seg %d\n", segnum ));
699 void digi_kill_sound_linked_to_object( int objnum )
703 if (!digi_initialised) return;
707 for (i=0; i<MAX_SOUND_OBJECTS; i++ ) {
708 if ( (SoundObjects[i].flags & SOF_USED) && (SoundObjects[i].flags & SOF_LINK_TO_OBJ ) ) {
709 if (SoundObjects[i].lo_objnum == objnum) {
710 if ( SoundObjects[i].flags & SOF_PLAYING ) {
712 SoundSlots[SoundObjects[i].handle].playing = 0;
715 SoundObjects[i].flags = 0; // Mark as dead, so some other sound can use this sound
720 // If this assert happens, it means that there were 2 sounds
721 // that got deleted. Weird, get John.
723 mprintf( (1, "ERROR: More than 1 sounds were deleted from object %d\n", objnum ));
727 void digi_sync_sounds()
730 int oldvolume, oldpan;
732 if (!digi_initialised) return;
734 for (i=0; i<MAX_SOUND_OBJECTS; i++ ) {
735 if ( SoundObjects[i].flags & SOF_USED ) {
736 oldvolume = SoundObjects[i].volume;
737 oldpan = SoundObjects[i].pan;
739 if ( !(SoundObjects[i].flags & SOF_PLAY_FOREVER) ) {
740 // Check if its done.
741 if (SoundObjects[i].flags & SOF_PLAYING) {
743 if (!SoundSlots[SoundObjects[i].handle].playing) {
745 SoundObjects[i].flags = 0; // Mark as dead, so some other sound can use this sound
746 continue; // Go on to next sound...
752 if ( SoundObjects[i].flags & SOF_LINK_TO_POS ) {
753 digi_get_sound_loc( &Viewer->orient, &Viewer->pos, Viewer->segnum,
754 &SoundObjects[i].lp_position, SoundObjects[i].lp_segnum,
755 SoundObjects[i].max_volume,
756 &SoundObjects[i].volume, &SoundObjects[i].pan, SoundObjects[i].max_distance );
758 } else if ( SoundObjects[i].flags & SOF_LINK_TO_OBJ ) {
761 objp = &Objects[SoundObjects[i].lo_objnum];
763 if ((objp->type==OBJ_NONE) || (objp->signature!=SoundObjects[i].lo_objsignature)) {
764 // The object that this is linked to is dead, so just end this sound if it is looping.
765 if ( (SoundObjects[i].flags & SOF_PLAYING) && (SoundObjects[i].flags & SOF_PLAY_FOREVER)) {
767 SoundSlots[SoundObjects[i].handle].playing = 0;
770 SoundObjects[i].flags = 0; // Mark as dead, so some other sound can use this sound
771 continue; // Go on to next sound...
773 digi_get_sound_loc( &Viewer->orient, &Viewer->pos, Viewer->segnum,
774 &objp->pos, objp->segnum, SoundObjects[i].max_volume,
775 &SoundObjects[i].volume, &SoundObjects[i].pan, SoundObjects[i].max_distance );
779 if (oldvolume != SoundObjects[i].volume) {
780 if ( SoundObjects[i].volume < MIN_VOLUME ) {
781 // Sound is too far away, so stop it from playing.
782 if ((SoundObjects[i].flags & SOF_PLAYING)&&(SoundObjects[i].flags & SOF_PLAY_FOREVER)) {
784 SoundSlots[SoundObjects[i].handle].playing = 0;
786 SoundObjects[i].flags &= ~SOF_PLAYING; // Mark sound as not playing
789 if (!(SoundObjects[i].flags & SOF_PLAYING)) {
790 digi_start_sound_object(i);
793 SoundSlots[SoundObjects[i].handle].volume = fixmuldiv(SoundObjects[i].volume,digi_volume,F1_0);
799 if (oldpan != SoundObjects[i].pan) {
800 if (SoundObjects[i].flags & SOF_PLAYING) {
802 SoundSlots[SoundObjects[i].handle].pan = SoundObjects[i].pan;
810 void digi_init_sounds()
814 if (!digi_initialised) return;
816 digi_reset_digi_sounds();
818 for (i=0; i<MAX_SOUND_OBJECTS; i++ ) {
819 if (digi_sounds_initialized) {
820 if ( SoundObjects[i].flags & SOF_PLAYING ) {
822 SoundSlots[SoundObjects[i].handle].playing=0;
826 SoundObjects[i].flags = 0; // Mark as dead, so some other sound can use this sound
828 digi_sounds_initialized = 1;
831 //added on 980905 by adb from original source to make sfx volume work
832 void digi_set_digi_volume( int dvolume )
834 dvolume = fixmuldiv( dvolume, SOUND_MAX_VOLUME, 0x7fff);
835 if ( dvolume > SOUND_MAX_VOLUME )
836 digi_volume = SOUND_MAX_VOLUME;
837 else if ( dvolume < 0 )
840 digi_volume = dvolume;
842 if ( !digi_initialised ) return;
848 void digi_set_volume( int dvolume, int mvolume ) { }
850 int digi_is_sound_playing(int soundno)
854 soundno = digi_xlat_sound(soundno);
857 for (i = 0; i < MAX_SOUND_SLOTS; i++)
858 //changed on 980905 by adb: added SoundSlots[i].playing &&
859 if (SoundSlots[i].playing && SoundSlots[i].soundno == soundno)
861 { UNLOCK(); return 1; }
867 void digi_pause_all() { }
868 void digi_resume_all() { }
869 void digi_stop_all() { }
871 //added on 980905 by adb to make sound channel setting work
872 void digi_set_max_channels(int n) {
873 digi_max_channels = n;
875 if ( digi_max_channels < 1 )
876 digi_max_channels = 1;
877 if ( digi_max_channels > (MAX_SOUND_SLOTS-MAX_SOUND_OBJECTS) )
878 digi_max_channels = (MAX_SOUND_SLOTS-MAX_SOUND_OBJECTS);
880 if ( !digi_initialised ) return;
882 digi_reset_digi_sounds();
885 int digi_get_max_channels() {
886 return digi_max_channels;
890 void digi_reset_digi_sounds() {
894 for (i=0; i< MAX_SOUND_SLOTS; i++)
895 SoundSlots[i].playing=0;
898 //added on 980905 by adb to reset sound kill system
899 memset(SampleHandles, 255, sizeof(SampleHandles));
905 // MIDI stuff follows.
906 //added/killed on 11/25/98 by Matthew Mueller
907 //void digi_set_midi_volume( int mvolume ) { }
908 //void digi_play_midi_song( char * filename, char * melodic_bank, char * drum_bank, int loop ) {}
909 //void digi_stop_current_song()
918 //end this section kill - MM