arch/win32/digi.c

   1 #define DIGI_SOUND
   2 #define MIDI_SOUND
   3
   4 #include <stdlib.h>
   5 #include <stdio.h>
   6 #include <string.h>
   7 #define WIN32_LEAN_AND_MEAN
   8 #include <windows.h>
   9 #include <mmsystem.h>
  10 #include <dsound.h>
  11
  12 #include <math.h>
  13
  14 #include "error.h"
  15 #include "mono.h"
  16 #include "fix.h"
  17 #include "vecmat.h"
  18 #include "gr.h" // needed for piggy.h
  19 #include "piggy.h"
  20 #include "digi.h"
  21 #include "sounds.h"
  22 #include "wall.h"
  23 #include "newdemo.h"
  24 #include "kconfig.h"
  25 #include "hmpfile.h"
  26 hmp_file *hmp = NULL;
  27
  28 #ifdef DIGI_SOUND
  29 #define MAX_SOUND_SLOTS 32
  30 #define MIN_VOLUME 10
  31
  32
  33 #define SOF_USED                        1               // Set if this sample is used
  34 #define SOF_PLAYING                     2               // Set if this sample is playing on a channel
  35 #define SOF_LINK_TO_OBJ         4               // Sound is linked to a moving object. If object dies, then finishes play and quits.
  36 #define SOF_LINK_TO_POS         8               // Sound is linked to segment, pos
  37 #define SOF_PLAY_FOREVER        16              // Play forever (or until level is stopped), otherwise plays once
  38
  39 typedef struct sound_object {
  40         short           signature;              // A unique signature to this sound
  41         ubyte           flags;                  // Used to tell if this slot is used and/or currently playing, and how long.
  42         fix             max_volume;             // Max volume that this sound is playing at
  43         fix             max_distance;           // The max distance that this sound can be heard at...
  44         int             volume;                 // Volume that this sound is playing at
  45         int             pan;                    // Pan value that this sound is playing at
  46         int             handle;                 // What handle this sound is playing on.  Valid only if SOF_PLAYING is set.
  47         short           soundnum;               // The sound number that is playing
  48         union {
  49                 struct {
  50                         short           segnum;                         // Used if SOF_LINK_TO_POS field is used
  51                         short           sidenum;
  52                         vms_vector      position;
  53                 }pos;
  54                 struct {
  55                         short            objnum;                         // Used if SOF_LINK_TO_OBJ field is used
  56                         short            objsignature;
  57                 }obj;
  58         }link;
  59 } sound_object;
  60 #define lp_segnum link.pos.segnum
  61 #define lp_sidenum link.pos.sidenum
  62 #define lp_position link.pos.position
  63
  64 #define lo_objnum link.obj.objnum
  65 #define lo_objsignature link.obj.objsignature
  66
  67 #define MAX_SOUND_OBJECTS 16
  68 sound_object SoundObjects[MAX_SOUND_OBJECTS];
  69 short next_signature=0;
  70
  71
  72 //added/changed on 980905 by adb to make sfx volume work
  73 #define SOUND_MAX_VOLUME F1_0
  74 int digi_volume = SOUND_MAX_VOLUME;
  75 //end edit by adb
  76
  77 LPDIRECTSOUND lpds;
  78 WAVEFORMATEX waveformat;
  79 DSBUFFERDESC dsbd;
  80
  81 extern HWND g_hWnd;
  82
  83 struct sound_slot {
  84  int soundno;
  85  int playing;   // Is there a sample playing on this channel?
  86  int looped;    // Play this sample looped?
  87  fix pan;       // 0 = far left, 1 = far right
  88  fix volume;    // 0 = nothing, 1 = fully on
  89  //changed on 980905 by adb from char * to unsigned char *
  90  unsigned char *samples;
  91  //end changes by adb
  92  unsigned int length; // Length of the sample
  93  unsigned int position; // Position we are at at the moment.
  94  LPDIRECTSOUNDBUFFER lpsb;
  95 } SoundSlots[MAX_SOUND_SLOTS];
  96
  97
  98 int digi_lomem = 0;
  99 int midi_volume = 255;
 100 int digi_midi_song_playing = 0;
 101 int digi_last_midi_song = 0;
 102 int digi_last_midi_song_loop = 0;
 103
 104 static int digi_initialised = 0;
 105 static int digi_atexit_initialised=0;
 106
 107 static int digi_sounds_initialized = 0;
 108
 109 //added on 980905 by adb to add rotating/volume based sound kill system
 110 static int digi_max_channels = 16;
 111 static int next_handle = 0;
 112 int SampleHandles[32];
 113 void reset_sounds_on_channel(int channel);
 114 //end edit by adb
 115
 116 void digi_reset_digi_sounds(void);
 117
 118 void digi_reset() { }
 119
 120 void digi_close(void) {
 121   if(digi_initialised)
 122    IDirectSound_Release(lpds);
 123  digi_initialised = 0;
 124 }
 125
 126 /* Initialise audio devices. */
 127 int digi_init()
 128 {
 129  HRESULT hr;
 130
 131  if (!digi_initialised && g_hWnd){
 132
 133          memset(&waveformat, 0, sizeof(waveformat));
 134          waveformat.wFormatTag=WAVE_FORMAT_PCM;
 135          waveformat.wBitsPerSample=8;
 136          waveformat.nChannels = 1;
 137          waveformat.nSamplesPerSec = digi_sample_rate; //11025;
 138          waveformat.nBlockAlign =
 139          waveformat.nChannels * (waveformat.wBitsPerSample/8);
 140          waveformat.nAvgBytesPerSec =
 141          waveformat.nSamplesPerSec * waveformat.nBlockAlign;
 142
 143           if ((hr = DirectSoundCreate(NULL, &lpds, NULL)) != DS_OK)
 144            return -1;
 145
 146           if ((hr = IDirectSound_SetCooperativeLevel(lpds, g_hWnd, DSSCL_PRIORITY)) //hWndMain
 147                != DS_OK)
 148            {
 149             IDirectSound_Release(lpds);
 150             return -1;
 151            }
 152
 153          memset(&dsbd, 0, sizeof(dsbd));
 154          dsbd.dwSize = sizeof(dsbd);
 155          dsbd.dwFlags = DSBCAPS_CTRLDEFAULT | DSBCAPS_GETCURRENTPOSITION2;
 156          dsbd.dwBufferBytes = 8192;
 157          dsbd.dwReserved=0;
 158          dsbd.lpwfxFormat = &waveformat;
 159
 160          digi_initialised = 1;
 161 }
 162
 163         if (!digi_atexit_initialised){
 164                 atexit(digi_close);
 165                 digi_atexit_initialised=1;
 166         }
 167  return 0;
 168 }
 169
 170 /* Find the sound which actually equates to a sound number */
 171 int digi_xlat_sound(int soundno)
 172 {
 173         if ( soundno < 0 ) return -1;
 174
 175         if ( digi_lomem )       {
 176                 soundno = AltSounds[soundno];
 177                 if ( soundno == 255 ) return -1;
 178         }
 179         return Sounds[soundno];
 180 }
 181
 182 static int get_free_slot()
 183 {
 184  int i;
 185  unsigned int s;
 186  for (i=0; i<MAX_SOUND_SLOTS; i++)
 187  {
 188   if (!SoundSlots[i].playing) return i;
 189   if (SoundSlots[i].lpsb) {
 190    IDirectSoundBuffer_GetStatus(SoundSlots[i].lpsb, &s);
 191    if (!(s & DSBSTATUS_PLAYING)) IDirectSoundBuffer_Release(SoundSlots[i].lpsb);
 192    SoundSlots[i].playing = 0;
 193    SoundSlots[i].lpsb = NULL;
 194    return i;
 195   }
 196  }
 197  return -1;
 198 }
 199
 200 int D1vol2DSvol(fix d1v){
 201 //multiplying by 1.5 doesn't help.  DirectSound uses dB for volume, rather than a linear scale like d1 wants.
 202 //I had to pull out a math book, but here is the code to fix it :)  -Matt Mueller
 203 //log x=y  <==>  x=a^y
 204 //   a
 205          if (d1v<=0)
 206                  return -10000;
 207          else
 208 //               return log2(f2fl(d1v))*1000;//no log2? hm.
 209                  return log(f2fl(d1v))/log(2)*1000.0;
 210 }
 211
 212 int digi_start_sound(int soundnum, fix volume, fix pan)
 213 {
 214  int ntries;
 215  int slot;
 216  HRESULT hr;
 217
 218  if (!digi_initialised) return -1;
 219
 220  //added on 980905 by adb from original source to add sound kill system
 221  // play at most digi_max_channel samples, if possible kill sample with low volume
 222  ntries = 0;
 223
 224 TryNextChannel:
 225  if ( (SampleHandles[next_handle] >= 0) && (SoundSlots[SampleHandles[next_handle]].playing)  )
 226  {
 227   if ( (SoundSlots[SampleHandles[next_handle]].volume > digi_volume) && (ntries<digi_max_channels) )
 228   {
 229    //mprintf(( 0, "Not stopping loud sound %d.\n", next_handle ));
 230    next_handle++;
 231    if ( next_handle >= digi_max_channels )
 232     next_handle = 0;
 233    ntries++;
 234    goto TryNextChannel;
 235   }
 236   //mprintf(( 0, "[SS:%d]", next_handle ));
 237   SoundSlots[SampleHandles[next_handle]].playing = 0;
 238         DS_release_slot(SampleHandles[next_handle], 1);
 239   SampleHandles[next_handle] = -1;
 240  }
 241  //end edit by adb
 242
 243  slot = get_free_slot();
 244  if (slot<0) return -1;
 245
 246  SoundSlots[slot].soundno = soundnum;
 247  SoundSlots[slot].samples = GameSounds[soundnum].data;
 248  SoundSlots[slot].length = GameSounds[soundnum].length;
 249  SoundSlots[slot].volume = fixmul(digi_volume, volume);
 250  SoundSlots[slot].pan = pan;
 251  SoundSlots[slot].position = 0;
 252  SoundSlots[slot].looped = 0;
 253  SoundSlots[slot].playing = 1;
 254
 255  memset(&waveformat, 0, sizeof(waveformat));
 256  waveformat.wFormatTag=WAVE_FORMAT_PCM;
 257  waveformat.wBitsPerSample=8;
 258  waveformat.nChannels = 1;
 259  waveformat.nSamplesPerSec = digi_sample_rate; //11025;
 260  waveformat.nBlockAlign =
 261    waveformat.nChannels * (waveformat.wBitsPerSample/8);
 262  waveformat.nAvgBytesPerSec =
 263    waveformat.nSamplesPerSec * waveformat.nBlockAlign;
 264
 265  memset(&dsbd, 0, sizeof(dsbd));
 266  dsbd.dwSize = sizeof(dsbd);
 267  dsbd.dwFlags = DSBCAPS_CTRLDEFAULT | DSBCAPS_GETCURRENTPOSITION2;
 268  dsbd.dwReserved=0;
 269  dsbd.dwBufferBytes = SoundSlots[slot].length;
 270  dsbd.lpwfxFormat = &waveformat;
 271
 272  hr = IDirectSound_CreateSoundBuffer(lpds, &dsbd, &SoundSlots[slot].lpsb, NULL);
 273  if ( hr != DS_OK ) {
 274   printf("Createsoundbuffer failed! hr=0x%X\n", (int)hr);
 275   abort();
 276  }
 277  {
 278   char *ptr1, *ptr2;
 279   int len1, len2;
 280   IDirectSoundBuffer_Lock(SoundSlots[slot].lpsb, 0, GameSounds[soundnum].length,
 281          (void **)&ptr1, &len1, (void **)&ptr2, &len2, 0);
 282   memcpy(ptr1,GameSounds[soundnum].data, MIN(len1, GameSounds[soundnum].length));
 283   IDirectSoundBuffer_Unlock(SoundSlots[slot].lpsb, ptr1, len1, ptr2, len2);
 284  }
 285  IDirectSoundBuffer_SetPan(SoundSlots[slot].lpsb, ((int)(f2fl(pan) * 20000.0))-10000);
 286 // IDirectSoundBuffer_SetVolume(SoundSlots[slot].lpsb, MIN(((int)(f2fl(SoundSlots[slot].volume) * 15000.0)) - 10000, 0));//nope
 287  IDirectSoundBuffer_SetVolume(SoundSlots[slot].lpsb, D1vol2DSvol(SoundSlots[slot].volume));
 288
 289  IDirectSoundBuffer_Play(SoundSlots[slot].lpsb, 0, 0, 0);
 290
 291  //added on 980905 by adb to add sound kill system from original sos digi.c
 292  reset_sounds_on_channel(slot);
 293  SampleHandles[next_handle] = slot;
 294  next_handle++;
 295  if ( next_handle >= digi_max_channels )
 296   next_handle = 0;
 297  //end edit by adb
 298
 299  return slot;
 300 }
 301
 302  //added on 980905 by adb to add sound kill system from original sos digi.c
 303 void reset_sounds_on_channel( int channel )
 304 {
 305  int i;
 306
 307  for (i=0; i<digi_max_channels; i++)
 308   if (SampleHandles[i] == channel)
 309    SampleHandles[i] = -1;
 310 }
 311 //end edit by adb
 312
 313 int digi_start_sound_object(int obj)
 314 {
 315  int slot;
 316  HRESULT hr;
 317
 318  if (!digi_initialised) return -1;
 319  slot = get_free_slot();
 320
 321  if (slot<0) return -1;
 322
 323
 324  SoundSlots[slot].soundno = SoundObjects[obj].soundnum;
 325  SoundSlots[slot].samples = GameSounds[SoundObjects[obj].soundnum].data;
 326  SoundSlots[slot].length = GameSounds[SoundObjects[obj].soundnum].length;
 327  SoundSlots[slot].volume = fixmul(digi_volume, SoundObjects[obj].volume);
 328  SoundSlots[slot].pan = SoundObjects[obj].pan;
 329  SoundSlots[slot].position = 0;
 330  SoundSlots[slot].looped = (SoundObjects[obj].flags & SOF_PLAY_FOREVER);
 331  SoundSlots[slot].playing = 1;
 332
 333  memset(&waveformat, 0, sizeof(waveformat));
 334  waveformat.wFormatTag=WAVE_FORMAT_PCM;
 335  waveformat.wBitsPerSample=8;
 336  waveformat.nChannels = 1;
 337  waveformat.nSamplesPerSec = digi_sample_rate; // 11025;
 338  waveformat.nBlockAlign =
 339  waveformat.nChannels * (waveformat.wBitsPerSample/8);
 340  waveformat.nAvgBytesPerSec =
 341  waveformat.nSamplesPerSec * waveformat.nBlockAlign;
 342
 343  memset(&dsbd, 0, sizeof(dsbd));
 344  dsbd.dwSize = sizeof(dsbd);
 345  dsbd.dwFlags = DSBCAPS_CTRLDEFAULT | DSBCAPS_GETCURRENTPOSITION2;
 346  dsbd.dwReserved=0;
 347  dsbd.dwBufferBytes = SoundSlots[slot].length;
 348  dsbd.lpwfxFormat = &waveformat;
 349
 350  hr = IDirectSound_CreateSoundBuffer(lpds, &dsbd, &SoundSlots[slot].lpsb, NULL);
 351  if ( hr != DS_OK ) {
 352   abort();
 353  }
 354  {
 355   char *ptr1, *ptr2;
 356   int len1, len2;
 357   IDirectSoundBuffer_Lock(SoundSlots[slot].lpsb, 0, SoundSlots[slot].length,
 358          (void **)&ptr1, &len1, (void **)&ptr2, &len2, 0);
 359   memcpy(ptr1, SoundSlots[slot].samples, MIN(len1,(int)SoundSlots[slot].length));
 360   IDirectSoundBuffer_Unlock(SoundSlots[slot].lpsb, (void *)ptr1, len1, (void *)ptr2, len2);
 361  }
 362  IDirectSoundBuffer_SetPan(SoundSlots[slot].lpsb, ((int)(f2fl(SoundSlots[slot].pan) * 20000))-10000);
 363 // IDirectSoundBuffer_SetVolume(SoundSlots[slot].lpsb, MIN(((int)(f2fl(SoundSlots[slot].volume) * 15000.0)) - 10000, 0));//nope
 364  IDirectSoundBuffer_SetVolume(SoundSlots[slot].lpsb,D1vol2DSvol(SoundSlots[slot].volume));
 365  IDirectSoundBuffer_Play(SoundSlots[slot].lpsb, 0, 0, SoundSlots[slot].looped?DSBPLAY_LOOPING:0);
 366
 367  SoundObjects[obj].signature = next_signature++;
 368  SoundObjects[obj].handle = slot;
 369
 370  SoundObjects[obj].flags |= SOF_PLAYING;
 371  //added on 980905 by adb to add sound kill system from original sos digi.c
 372  reset_sounds_on_channel(slot);
 373  //end edit by adb
 374
 375  return 0;
 376 }
 377
 378
 379 // Play the given sound number.
 380 // Volume is max at F1_0.
 381 void digi_play_sample( int soundno, fix max_volume )
 382 {
 383 #ifdef NEWDEMO
 384         if ( Newdemo_state == ND_STATE_RECORDING )
 385                 newdemo_record_sound( soundno );
 386 #endif
 387         soundno = digi_xlat_sound(soundno);
 388
 389         if (!digi_initialised) return;
 390
 391         if (soundno < 0 ) return;
 392
 393         digi_start_sound(soundno, max_volume, F0_5);
 394 }
 395
 396 // Play the given sound number. If the sound is already playing,
 397 // restart it.
 398 void digi_play_sample_once( int soundno, fix max_volume )
 399 {
 400         int i;
 401
 402 #ifdef NEWDEMO
 403         if ( Newdemo_state == ND_STATE_RECORDING )
 404                 newdemo_record_sound( soundno );
 405 #endif
 406         soundno = digi_xlat_sound(soundno);
 407
 408         if (!digi_initialised) return;
 409
 410         if (soundno < 0 ) return;
 411
 412         for (i=0; i < MAX_SOUND_SLOTS; i++)
 413           if (SoundSlots[i].soundno == soundno) {
 414              SoundSlots[i].playing = 0;
 415               if (SoundSlots[i].lpsb) {
 416                 unsigned int s;
 417                 IDirectSoundBuffer_GetStatus(SoundSlots[i].lpsb, &s);
 418                 if (s & DSBSTATUS_PLAYING) IDirectSoundBuffer_Stop(SoundSlots[i].lpsb);
 419                 IDirectSoundBuffer_Release(SoundSlots[i].lpsb);
 420                 SoundSlots[i].playing = 0;
 421                 SoundSlots[i].lpsb = NULL;
 422               }
 423           }
 424         digi_start_sound(soundno, max_volume, F0_5);
 425
 426 }
 427
 428 void digi_play_sample_3d( int soundno, int angle, int volume, int no_dups ) // Volume from 0-0x7fff
 429 {
 430         no_dups = 1;
 431
 432 #ifdef NEWDEMO
 433         if ( Newdemo_state == ND_STATE_RECORDING )              {
 434                 if ( no_dups )
 435                         newdemo_record_sound_3d_once( soundno, angle, volume );
 436                 else
 437                         newdemo_record_sound_3d( soundno, angle, volume );
 438         }
 439 #endif
 440         soundno = digi_xlat_sound(soundno);
 441
 442         if (!digi_initialised) return;
 443         if (soundno < 0 ) return;
 444
 445         if (volume < MIN_VOLUME ) return;
 446         digi_start_sound(soundno, volume, angle);
 447 }
 448
 449 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 )
 450 {
 451         vms_vector      vector_to_sound;
 452         fix angle_from_ear, cosang,sinang;
 453         fix distance;
 454         fix path_distance;
 455
 456         *volume = 0;
 457         *pan = 0;
 458
 459         max_distance = (max_distance*5)/4;              // Make all sounds travel 1.25 times as far.
 460
 461         //      Warning: Made the vm_vec_normalized_dir be vm_vec_normalized_dir_quick and got illegal values to acos in the fang computation.
 462         distance = vm_vec_normalized_dir_quick( &vector_to_sound, sound_pos, listener_pos );
 463
 464         if (distance < max_distance )   {
 465                 int num_search_segs = f2i(max_distance/20);
 466                 if ( num_search_segs < 1 ) num_search_segs = 1;
 467
 468                 path_distance = find_connected_distance(listener_pos, listener_seg, sound_pos, sound_seg, num_search_segs, WID_RENDPAST_FLAG );
 469                 if ( path_distance > -1 )       {
 470                         *volume = max_volume - fixdiv(path_distance,max_distance);
 471                         //mprintf( (0, "Sound path distance %.2f, volume is %d / %d\n", f2fl(distance), *volume, max_volume ));
 472                         if (*volume > 0 )       {
 473                                 angle_from_ear = vm_vec_delta_ang_norm(&listener->rvec,&vector_to_sound,&listener->uvec);
 474                                 fix_sincos(angle_from_ear,&sinang,&cosang);
 475                                 //mprintf( (0, "volume is %.2f\n", f2fl(*volume) ));
 476                                 if (Config_channels_reversed) cosang *= -1;
 477                                 *pan = (cosang + F1_0)/2;
 478                         } else {
 479                                 *volume = 0;
 480                         }
 481                 }
 482         }
 483 }
 484
 485 int digi_link_sound_to_object2( int org_soundnum, short objnum, int forever, fix max_volume, fix  max_distance )
 486 {
 487         int i,volume,pan;
 488         object * objp;
 489         int soundnum;
 490
 491         soundnum = digi_xlat_sound(org_soundnum);
 492
 493         if ( max_volume < 0 ) return -1;
 494 //      if ( max_volume > F1_0 ) max_volume = F1_0;
 495
 496         if (!digi_initialised) return -1;
 497         if (soundnum < 0 ) return -1;
 498         if (GameSounds[soundnum].data==NULL) {
 499                 Int3();
 500                 return -1;
 501         }
 502         if ((objnum<0)||(objnum>Highest_object_index))
 503                 return -1;
 504
 505         if ( !forever ) {
 506                 // Hack to keep sounds from building up...
 507                 digi_get_sound_loc( &Viewer->orient, &Viewer->pos, Viewer->segnum, &Objects[objnum].pos, Objects[objnum].segnum, max_volume,&volume, &pan, max_distance );
 508                 digi_play_sample_3d( org_soundnum, pan, volume, 0 );
 509                 return -1;
 510         }
 511
 512         for (i=0; i<MAX_SOUND_OBJECTS; i++ )
 513                 if (SoundObjects[i].flags==0)
 514                    break;
 515
 516         if (i==MAX_SOUND_OBJECTS) {
 517                 mprintf((1, "Too many sound objects!\n" ));
 518                 return -1;
 519         }
 520
 521         SoundObjects[i].signature=next_signature++;
 522         SoundObjects[i].flags = SOF_USED | SOF_LINK_TO_OBJ;
 523         if ( forever )
 524                 SoundObjects[i].flags |= SOF_PLAY_FOREVER;
 525         SoundObjects[i].lo_objnum = objnum;
 526         SoundObjects[i].lo_objsignature = Objects[objnum].signature;
 527         SoundObjects[i].max_volume = max_volume;
 528         SoundObjects[i].max_distance = max_distance;
 529         SoundObjects[i].volume = 0;
 530         SoundObjects[i].pan = 0;
 531         SoundObjects[i].soundnum = soundnum;
 532
 533         objp = &Objects[SoundObjects[i].lo_objnum];
 534         digi_get_sound_loc( &Viewer->orient, &Viewer->pos, Viewer->segnum,
 535                        &objp->pos, objp->segnum, SoundObjects[i].max_volume,
 536                        &SoundObjects[i].volume, &SoundObjects[i].pan, SoundObjects[i].max_distance );
 537
 538         if (!forever || SoundObjects[i].volume >= MIN_VOLUME)
 539                digi_start_sound_object(i);
 540
 541         return SoundObjects[i].signature;
 542 }
 543
 544 int digi_link_sound_to_object( int soundnum, short objnum, int forever, fix max_volume )
 545 { return digi_link_sound_to_object2( soundnum, objnum, forever, max_volume, 256*F1_0); }
 546
 547 int digi_link_sound_to_pos2( int org_soundnum, short segnum, short sidenum, vms_vector * pos, int forever, fix max_volume, fix max_distance )
 548 {
 549         int i, volume, pan;
 550         int soundnum;
 551
 552         soundnum = digi_xlat_sound(org_soundnum);
 553
 554         if ( max_volume < 0 ) return -1;
 555 //      if ( max_volume > F1_0 ) max_volume = F1_0;
 556
 557         if (!digi_initialised) return -1;
 558         if (soundnum < 0 ) return -1;
 559         if (GameSounds[soundnum].data==NULL) {
 560                 Int3();
 561                 return -1;
 562         }
 563
 564         if ((segnum<0)||(segnum>Highest_segment_index))
 565                 return -1;
 566
 567         if ( !forever ) {
 568                 // Hack to keep sounds from building up...
 569                 digi_get_sound_loc( &Viewer->orient, &Viewer->pos, Viewer->segnum, pos, segnum, max_volume, &volume, &pan, max_distance );
 570                 digi_play_sample_3d( org_soundnum, pan, volume, 0 );
 571                 return -1;
 572         }
 573
 574         for (i=0; i<MAX_SOUND_OBJECTS; i++ )
 575                 if (SoundObjects[i].flags==0)
 576                         break;
 577
 578         if (i==MAX_SOUND_OBJECTS) {
 579                 mprintf((1, "Too many sound objects!\n" ));
 580                 return -1;
 581         }
 582
 583
 584         SoundObjects[i].signature=next_signature++;
 585         SoundObjects[i].flags = SOF_USED | SOF_LINK_TO_POS;
 586         if ( forever )
 587                 SoundObjects[i].flags |= SOF_PLAY_FOREVER;
 588         SoundObjects[i].lp_segnum = segnum;
 589         SoundObjects[i].lp_sidenum = sidenum;
 590         SoundObjects[i].lp_position = *pos;
 591         SoundObjects[i].soundnum = soundnum;
 592         SoundObjects[i].max_volume = max_volume;
 593         SoundObjects[i].max_distance = max_distance;
 594         SoundObjects[i].volume = 0;
 595         SoundObjects[i].pan = 0;
 596         digi_get_sound_loc( &Viewer->orient, &Viewer->pos, Viewer->segnum,
 597                                            &SoundObjects[i].lp_position, SoundObjects[i].lp_segnum,
 598                                            SoundObjects[i].max_volume,
 599                        &SoundObjects[i].volume, &SoundObjects[i].pan, SoundObjects[i].max_distance );
 600
 601         if (!forever || SoundObjects[i].volume >= MIN_VOLUME)
 602                 digi_start_sound_object(i);
 603
 604         return SoundObjects[i].signature;
 605 }
 606
 607 int digi_link_sound_to_pos( int soundnum, short segnum, short sidenum, vms_vector * pos, int forever, fix max_volume )
 608 {
 609         return digi_link_sound_to_pos2( soundnum, segnum, sidenum, pos, forever, max_volume, F1_0 * 256 );
 610 }
 611
 612 void digi_kill_sound_linked_to_segment( int segnum, int sidenum, int soundnum )
 613 {
 614         int i,killed;
 615
 616         soundnum = digi_xlat_sound(soundnum);
 617
 618         if (!digi_initialised) return;
 619
 620         killed = 0;
 621
 622         for (i=0; i<MAX_SOUND_OBJECTS; i++ )    {
 623                 if ( (SoundObjects[i].flags & SOF_USED) && (SoundObjects[i].flags & SOF_LINK_TO_POS) )  {
 624                         if ((SoundObjects[i].lp_segnum == segnum) && (SoundObjects[i].soundnum==soundnum ) && (SoundObjects[i].lp_sidenum==sidenum) ) {
 625                                 if ( SoundObjects[i].flags & SOF_PLAYING )      {
 626                                         SoundSlots[SoundObjects[i].handle].playing = 0;
 627                                          if (SoundSlots[SoundObjects[i].handle].lpsb) {
 628                                            unsigned int s;
 629                                            IDirectSoundBuffer_GetStatus(SoundSlots[SoundObjects[i].handle].lpsb, &s);
 630                                            if (s & DSBSTATUS_PLAYING) IDirectSoundBuffer_Stop(SoundSlots[SoundObjects[i].handle].lpsb);
 631                                            IDirectSoundBuffer_Release(SoundSlots[SoundObjects[i].handle].lpsb);
 632                                            SoundSlots[SoundObjects[i].handle].playing = 0;
 633                                            SoundSlots[SoundObjects[i].handle].lpsb = NULL;
 634                                          }
 635                                 }
 636                                 SoundObjects[i].flags = 0;      // Mark as dead, so some other sound can use this sound
 637                                 killed++;
 638                         }
 639                 }
 640         }
 641         // If this assert happens, it means that there were 2 sounds
 642         // that got deleted. Weird, get John.
 643         if ( killed > 1 )       {
 644                 mprintf( (1, "ERROR: More than 1 sounds were deleted from seg %d\n", segnum ));
 645         }
 646 }
 647
 648 void digi_kill_sound_linked_to_object( int objnum )
 649 {
 650         int i,killed;
 651
 652         if (!digi_initialised) return;
 653
 654         killed = 0;
 655
 656         for (i=0; i<MAX_SOUND_OBJECTS; i++ )    {
 657                 if ( (SoundObjects[i].flags & SOF_USED) && (SoundObjects[i].flags & SOF_LINK_TO_OBJ ) ) {
 658                         if (SoundObjects[i].lo_objnum == objnum)   {
 659                                 if ( SoundObjects[i].flags & SOF_PLAYING )      {
 660                                      SoundSlots[SoundObjects[i].handle].playing = 0;
 661                                          if (SoundSlots[SoundObjects[i].handle].lpsb) {
 662                                            unsigned int s;
 663                                            IDirectSoundBuffer_GetStatus(SoundSlots[SoundObjects[i].handle].lpsb, &s);
 664                                            if (s & DSBSTATUS_PLAYING) IDirectSoundBuffer_Stop(SoundSlots[SoundObjects[i].handle].lpsb);
 665                                            IDirectSoundBuffer_Release(SoundSlots[SoundObjects[i].handle].lpsb);
 666                                            SoundSlots[SoundObjects[i].handle].playing = 0;
 667                                            SoundSlots[SoundObjects[i].handle].lpsb = NULL;
 668                                          }
 669                                 }
 670                                 SoundObjects[i].flags = 0;      // Mark as dead, so some other sound can use this sound
 671                                 killed++;
 672                         }
 673                 }
 674         }
 675         // If this assert happens, it means that there were 2 sounds
 676         // that got deleted. Weird, get John.
 677         if ( killed > 1 )       {
 678                 mprintf( (1, "ERROR: More than 1 sounds were deleted from object %d\n", objnum ));
 679         }
 680 }
 681
 682 void digi_sync_sounds()
 683 {
 684         int i;
 685         int oldvolume, oldpan;
 686
 687         if (!digi_initialised) return;
 688
 689         for (i=0; i<MAX_SOUND_OBJECTS; i++ )    {
 690                 if ( SoundObjects[i].flags & SOF_USED ) {
 691                         oldvolume = SoundObjects[i].volume;
 692                         oldpan = SoundObjects[i].pan;
 693
 694                         if ( !(SoundObjects[i].flags & SOF_PLAY_FOREVER) )      {
 695                                 // Check if its done.
 696                                 if (SoundObjects[i].flags & SOF_PLAYING) {
 697                                         if (!SoundSlots[SoundObjects[i].handle].playing) {
 698                                                 SoundObjects[i].flags = 0;      // Mark as dead, so some other sound can use this sound
 699                                                 continue;               // Go on to next sound...
 700                                         }
 701                                 }
 702                         }
 703
 704                         if ( SoundObjects[i].flags & SOF_LINK_TO_POS )  {
 705                                 digi_get_sound_loc( &Viewer->orient, &Viewer->pos, Viewer->segnum,
 706                                                                 &SoundObjects[i].lp_position, SoundObjects[i].lp_segnum,
 707                                                                 SoundObjects[i].max_volume,
 708                                 &SoundObjects[i].volume, &SoundObjects[i].pan, SoundObjects[i].max_distance );
 709
 710                         } else if ( SoundObjects[i].flags & SOF_LINK_TO_OBJ )   {
 711                                 object * objp;
 712
 713                                 objp = &Objects[SoundObjects[i].lo_objnum];
 714
 715                                 if ((objp->type==OBJ_NONE) || (objp->signature!=SoundObjects[i].lo_objsignature))  {
 716                                         // The object that this is linked to is dead, so just end this sound if it is looping.
 717                                         if ( (SoundObjects[i].flags & SOF_PLAYING)  && (SoundObjects[i].flags & SOF_PLAY_FOREVER))      {
 718                                              SoundSlots[SoundObjects[i].handle].playing = 0;
 719                                              if (SoundSlots[SoundObjects[i].handle].lpsb) {
 720                                                unsigned int s;
 721                                                IDirectSoundBuffer_GetStatus(SoundSlots[SoundObjects[i].handle].lpsb, &s);
 722                                                if (s & DSBSTATUS_PLAYING) IDirectSoundBuffer_Stop(SoundSlots[SoundObjects[i].handle].lpsb);
 723                                                IDirectSoundBuffer_Release(SoundSlots[SoundObjects[i].handle].lpsb);
 724                                                SoundSlots[SoundObjects[i].handle].playing = 0;
 725                                                SoundSlots[SoundObjects[i].handle].lpsb = NULL;
 726                                              }
 727                                         }
 728                                         SoundObjects[i].flags = 0;      // Mark as dead, so some other sound can use this sound
 729                                         continue;               // Go on to next sound...
 730                                 } else {
 731                                         digi_get_sound_loc( &Viewer->orient, &Viewer->pos, Viewer->segnum,
 732                                         &objp->pos, objp->segnum, SoundObjects[i].max_volume,
 733                                    &SoundObjects[i].volume, &SoundObjects[i].pan, SoundObjects[i].max_distance );
 734                                 }
 735                         }
 736
 737                         if (oldvolume != SoundObjects[i].volume)        {
 738                                 if ( SoundObjects[i].volume < MIN_VOLUME )       {
 739                                         // Sound is too far away, so stop it from playing.
 740                                         if ((SoundObjects[i].flags & SOF_PLAYING)&&(SoundObjects[i].flags & SOF_PLAY_FOREVER))  {
 741                                                 SoundSlots[SoundObjects[i].handle].playing = 0;
 742                                                 if (SoundSlots[SoundObjects[i].handle].lpsb) {
 743                                                   unsigned int s;
 744                                                   IDirectSoundBuffer_GetStatus(SoundSlots[SoundObjects[i].handle].lpsb, &s);
 745                                                   if (s & DSBSTATUS_PLAYING) IDirectSoundBuffer_Stop(SoundSlots[SoundObjects[i].handle].lpsb);
 746                                                   IDirectSoundBuffer_Release(SoundSlots[SoundObjects[i].handle].lpsb);
 747                                                   SoundSlots[SoundObjects[i].handle].playing = 0;
 748                                                   SoundSlots[SoundObjects[i].handle].lpsb = NULL;
 749                                                 }
 750                                                 SoundObjects[i].flags &= ~SOF_PLAYING;          // Mark sound as not playing
 751                                         }
 752                                 } else {
 753                                         if (!(SoundObjects[i].flags & SOF_PLAYING))     {
 754                                                 digi_start_sound_object(i);
 755                                         } else {
 756                                                 SoundSlots[SoundObjects[i].handle].volume = fixmuldiv(SoundObjects[i].volume,digi_volume,F1_0);
 757                                         }
 758                                 }
 759                         }
 760
 761                         if (oldpan != SoundObjects[i].pan)      {
 762                                 if (SoundObjects[i].flags & SOF_PLAYING)
 763                                         SoundSlots[SoundObjects[i].handle].pan = SoundObjects[i].pan;
 764                         }
 765                 }
 766         }
 767 }
 768
 769 void digi_init_sounds()
 770 {
 771         int i;
 772
 773         if (!digi_initialised) return;
 774
 775         digi_reset_digi_sounds();
 776
 777         for (i=0; i<MAX_SOUND_OBJECTS; i++ )    {
 778                 if (digi_sounds_initialized) {
 779                         if ( SoundObjects[i].flags & SOF_PLAYING )      {
 780                                 SoundSlots[SoundObjects[i].handle].playing=0;
 781                                     if (SoundSlots[SoundObjects[i].handle].lpsb) {
 782                                            unsigned int s;
 783                                            IDirectSoundBuffer_GetStatus(SoundSlots[SoundObjects[i].handle].lpsb, &s);
 784                                            if (s & DSBSTATUS_PLAYING) IDirectSoundBuffer_Stop(SoundSlots[SoundObjects[i].handle].lpsb);
 785                                            IDirectSoundBuffer_Release(SoundSlots[SoundObjects[i].handle].lpsb);
 786                                            SoundSlots[SoundObjects[i].handle].playing = 0;
 787                                            SoundSlots[SoundObjects[i].handle].lpsb = NULL;
 788                                     }
 789                         }
 790                 }
 791                 SoundObjects[i].flags = 0;      // Mark as dead, so some other sound can use this sound
 792         }
 793         digi_sounds_initialized = 1;
 794 }
 795
 796 //added on 980905 by adb from original source to make sfx volume work
 797 void digi_set_digi_volume( int dvolume )
 798 {
 799         dvolume = fixmuldiv( dvolume, SOUND_MAX_VOLUME, 0x7fff);
 800         if ( dvolume > SOUND_MAX_VOLUME )
 801                 digi_volume = SOUND_MAX_VOLUME;
 802         else if ( dvolume < 0 )
 803                 digi_volume = 0;
 804         else
 805                 digi_volume = dvolume;
 806
 807         if ( !digi_initialised ) return;
 808
 809         digi_sync_sounds();
 810 }
 811 //end edit by adb
 812
 813 void digi_set_volume( int dvolume, int mvolume )
 814 {
 815         digi_set_digi_volume(dvolume);
 816         digi_set_midi_volume(mvolume);
 817 }
 818
 819 int digi_is_sound_playing(int soundno)
 820 {
 821         int i;
 822
 823         soundno = digi_xlat_sound(soundno);
 824
 825         for (i = 0; i < MAX_SOUND_SLOTS; i++)
 826                   //changed on 980905 by adb: added SoundSlots[i].playing &&
 827                   if (SoundSlots[i].playing && SoundSlots[i].soundno == soundno)
 828                   //end changes by adb
 829                         return 1;
 830         return 0;
 831 }
 832
 833
 834 void digi_pause_all() { }
 835 void digi_resume_all() { }
 836 void digi_stop_all() { }
 837
 838  //added on 980905 by adb to make sound channel setting work
 839 void digi_set_max_channels(int n) {
 840         digi_max_channels       = n;
 841
 842         if ( digi_max_channels < 1 )
 843                 digi_max_channels = 1;
 844         if ( digi_max_channels > (MAX_SOUND_SLOTS-MAX_SOUND_OBJECTS) )
 845                 digi_max_channels = (MAX_SOUND_SLOTS-MAX_SOUND_OBJECTS);
 846
 847         if ( !digi_initialised ) return;
 848
 849         digi_reset_digi_sounds();
 850 }
 851
 852 int digi_get_max_channels() {
 853         return digi_max_channels;
 854 }
 855 // end edit by adb
 856
 857 void digi_reset_digi_sounds() {
 858  int i;
 859  unsigned int s;
 860
 861  for (i=0; i< MAX_SOUND_SLOTS; i++) {
 862   SoundSlots[i].playing=0;
 863   if (SoundSlots[i].lpsb) {
 864    IDirectSoundBuffer_GetStatus(SoundSlots[i].lpsb, &s);
 865    if (s & DSBSTATUS_PLAYING) IDirectSoundBuffer_Stop(SoundSlots[i].lpsb);
 866    IDirectSoundBuffer_Release(SoundSlots[i].lpsb);
 867    SoundSlots[i].playing = 0;
 868    SoundSlots[i].lpsb = NULL;
 869   }
 870
 871  }
 872
 873  //added on 980905 by adb to reset sound kill system
 874  memset(SampleHandles, 255, sizeof(SampleHandles));
 875  next_handle = 0;
 876  //end edit by adb
 877 }
 878 #else
 879 int digi_lomem = 0;
 880 int digi_midi_song_playing = 0;
 881 static int digi_initialised = 0;
 882 int midi_volume = 255;
 883
 884 int digi_get_settings() { return 0; }
 885 int digi_init() { digi_initialised = 1; return 0; }
 886 void digi_reset() {}
 887 void digi_close() {}
 888
 889 void digi_play_sample( int sndnum, fix max_volume ) {}
 890 void digi_play_sample_once( int sndnum, fix max_volume ) {}
 891 int digi_link_sound_to_object( int soundnum, short objnum, int forever, fix max_volume ) { return 0; }
 892 int digi_link_sound_to_pos( int soundnum, short segnum, short sidenum, vms_vector * pos, int forever, fix max_volume ) { return 0; }
 893 // Same as above, but you pass the max distance sound can be heard.  The old way uses f1_0*256 for max_distance.
 894 int digi_link_sound_to_object2( int soundnum, short objnum, int forever, fix max_volume, fix  max_distance ) { return 0; }
 895 int digi_link_sound_to_pos2( int soundnum, short segnum, short sidenum, vms_vector * pos, int forever, fix max_volume, fix max_distance ) { return 0; }
 896
 897 void digi_play_sample_3d( int soundno, int angle, int volume, int no_dups ) {} // Volume from 0-0x7fff
 898
 899 void digi_init_sounds() {}
 900 void digi_sync_sounds() {}
 901 void digi_kill_sound_linked_to_segment( int segnum, int sidenum, int soundnum ) {}
 902 void digi_kill_sound_linked_to_object( int objnum ) {}
 903
 904 void digi_set_digi_volume( int dvolume ) {}
 905 void digi_set_volume( int dvolume, int mvolume ) {}
 906
 907 int digi_is_sound_playing(int soundno) { return 0; }
 908
 909 void digi_pause_all() {}
 910 void digi_resume_all() {}
 911 void digi_stop_all() {}
 912
 913 void digi_set_max_channels(int n) {}
 914 int digi_get_max_channels() { return 0; }
 915
 916 #endif
 917
 918 #ifdef MIDI_SOUND
 919 // MIDI stuff follows.
 920
 921 void digi_stop_current_song()
 922 {
 923         if ( digi_midi_song_playing ) {
 924             hmp_close(hmp);
 925             hmp = NULL;
 926             digi_midi_song_playing = 0;
 927         }
 928 }
 929
 930 void digi_set_midi_volume( int n )
 931 {
 932         int mm_volume;
 933
 934         if (n < 0)
 935                 midi_volume = 0;
 936         else if (n > 127)
 937                 midi_volume = 127;
 938         else
 939                 midi_volume = n;
 940
 941         // scale up from 0-127 to 0-0xffff
 942         mm_volume = (midi_volume << 1) | (midi_volume & 1);
 943         mm_volume |= (mm_volume << 8);
 944
 945         if (hmp)
 946                 midiOutSetVolume((HMIDIOUT)hmp->hmidi, mm_volume | mm_volume << 16);
 947 }
 948
 949 void digi_play_midi_song( char * filename, char * melodic_bank, char * drum_bank, int loop )
 950 {
 951         if (!digi_initialised) return;
 952
 953         digi_stop_current_song();
 954
 955        //added on 5/20/99 by Victor Rachels to fix crash/etc
 956         if(filename == NULL) return;
 957         if(midi_volume < 1) return;
 958        //end this section addition - VR
 959
 960         if ((hmp = hmp_open(filename))) {
 961             hmp_play(hmp);
 962             digi_midi_song_playing = 1;
 963             digi_set_midi_volume(midi_volume);
 964         }
 965         else
 966                 printf("hmp_open failed\n");
 967 }
 968 #else
 969 void digi_stop_current_song() {}
 970 void digi_set_midi_volume( int n ) {}
 971 void digi_play_midi_song( char * filename, char * melodic_bank, char * drum_bank, int loop ) {}
 972 #endif