snd_3dras.c

   1 // BSD
   2
   3 #include "quakedef.h"
   4 #include "snd_3dras_typedefs.h"
   5 #include "snd_3dras.h"
   6
   7 cvar_t bgmvolume = {CVAR_SAVE, "bgmvolume", "1", "volume of background music (such as CD music or replacement files such as sound/cdtracks/track002.ogg)"};
   8 cvar_t volume = {CVAR_SAVE, "volume", "0.7", "volume of sound effects"};
   9 cvar_t snd_staticvolume = {CVAR_SAVE, "snd_staticvolume", "1", "volume of ambient sound effects (such as swampy sounds at the start of e1m2)"};
  10 cvar_t snd_initialized = { CVAR_READONLY, "snd_initialized", "0", "indicates the sound subsystem is active"};
  11 cvar_t snd_mutewhenidle = {CVAR_SAVE, "snd_mutewhenidle", "1", "whether to disable sound output when game window is inactive"};
  12 static cvar_t snd_precache = {0, "snd_precache", "1", "loads sounds before they are used"};
  13
  14 static dllhandle_t   ras_dll = NULL;
  15 // This values is used as a multiple version support check AND to check if the lib has been loaded with success (its 0 if it failed)
  16 int ras_version;
  17
  18 static mempool_t *snd_mempool;
  19 static sfx_t sfx_list ={//This is a header, never contains only useful data, only the first next (makes the code less complex, later)
  20         NULL, //next
  21         "",  //name[MAX_QPATH];
  22         NULL, //sounddata
  23         0,    //locks
  24         0    //flags
  25         //0,    //loopstart,
  26         //0     //total_length
  27 };
  28 static unsigned int channel_id_count=0;
  29 static channel_t channel_list={
  30         NULL, //next
  31         NULL, //soundevent
  32         0, //entnum
  33         0, //entchannel
  34         0 //id
  35 };
  36 static entnum_t  entnum_list={
  37         NULL,// *next;
  38         0,   //  entnum;
  39         {0.0,0.0,0.0}, //lastloc
  40         NULL,// *soundsource;// This is also used to indicate a unused slot (when it's pointing to 0)
  41 };
  42
  43 int   updatecount=0;
  44 int   soundblocked=0;
  45 int   openframe;
  46 void* soundworld;
  47 void* listener;
  48 float listener_location   [3];
  49
  50 //1 qu = 0.0381 meter aka 38.1 mm
  51 //2^17 qu's is the max map size in DP
  52 //3DRAS uses atleast 32 bit to store it's locations.
  53 //So the smallest possible step is 0.0381*2^17/2^(32)
  54 // =~ 1.16 nm so let's pick 2 to be safe
  55 static float DP_Ras_UnitSize=(float)2/1000/1000; //2 nm
  56 static float DP_Ras_VolumeScale=0.075;
  57 //static float QU_Size = 0.0381; //meter
  58 //static float DP_QU_Ras_Scale=QU_Size/DP_Ras_UnitSize;
  59 static float DP_QU_Ras_Scale=19050;
  60 static void* (*ras_delete                     )(void*);
  61 static int   (*ras_getversion                 )();
  62 static void* (*ras_soundworld_new             )(SampleRate, WaveLength);
  63 static void  (*ras_soundworld_destroy         )(void*);
  64 static void  (*ras_soundworld_endframe        )(void*);
  65 static int   (*ras_soundworld_beginframe      )(void*);
  66 static void  (*ras_soundworld_setmainlistener )(void*,void*);
  67 static void  (*ras_soundworld_setscale        )(void*,const Scale);
  68 static void* (*ras_fileinputwhole_new         )(unsigned char*, Index);
  69 static void* (*ras_audiodecoderwav_new        )(void*, int);
  70 static void* (*ras_audiodecoderogg_new        )(void*);
  71 static void* (*ras_sounddataoneshot_new       )(void*,WaveLength,Amount);
  72 static void* (*ras_sounddataloop_new          )(void*,WaveLength,Amount);
  73 static void* (*ras_listener_new               )(void*,Location*,Scalar*);
  74 static void* (*ras_listener_setlocation       )(void*,Location*);
  75 static void* (*ras_listener_setrotation       )(void*,Scalar  *,Scalar*,Scalar*);
  76 static void* (*ras_soundsource_new            )(void*,SoundVolume,Location*);
  77 static int   (*ras_soundsource_ended          )(void*);
  78 static void  (*ras_soundsource_setlocation    )(void*,Location*);
  79 static void* (*ras_soundevent_new             )(void*,void*,void*,SoundPower,Ratio);
  80 static void  (*ras_soundevent_setsoundpower   )(void*,SoundPower);
  81 static int   (*ras_soundevent_ended           )(void*);
  82 static int   (*ras_setcoordinatesystem        )(Location*,Location*,Location*);
  83 static int   (*ras_testrotation               )(Scalar  *,Scalar  *,Scalar  *);
  84
  85 // #define RAS_PRINT //Comment out for to not print extra crap.
  86
  87 static dllfunction_t ras_funcs[] =
  88 {
  89         {"Delete"                                      ,(void**) &ras_delete                     },
  90         {"SetCoordinateSystem"                         ,(void**) &ras_setcoordinatesystem        },
  91         {"TestRotation"                                ,(void**) &ras_testrotation               },
  92         {"GetVersion"                                  ,(void**) &ras_getversion                 },
  93         {"SoundWorld_New"                              ,(void**) &ras_soundworld_new             },
  94         {"SoundWorld_Destroy"                          ,(void**) &ras_soundworld_destroy         },
  95         {"SoundWorld_EndFrame"                         ,(void**) &ras_soundworld_endframe        },
  96         {"SoundWorld_BeginFrame"                       ,(void**) &ras_soundworld_beginframe      },
  97         {"FileInputWhile_New"                          ,(void**) &ras_fileinputwhole_new         },
  98         {"AudioDecoderFileWav_New"                     ,(void**) &ras_audiodecoderwav_new        },
  99         {"AudioDecoderFileOgg_New"                     ,(void**) &ras_audiodecoderogg_new        },
 100         {"SoundDataAudioDecoderOneShot_New"            ,(void**) &ras_sounddataoneshot_new       },
 101         //{"SoundDataAudioDecoderFileLoop_New"           ,(void**) &ras_sounddataloop_new          },
 102         {"SoundWorld_SetMainListener"                  ,(void**) &ras_soundworld_setmainlistener },
 103         {"SoundWorld_SetScale"                         ,(void**) &ras_soundworld_setscale        },
 104         {"ListenerPlayer_New"                          ,(void**) &ras_listener_new               },
 105         {"ListenerPlayer_SetLocation"                  ,(void**) &ras_listener_setlocation       },
 106         {"ListenerPlayer_SetRotation_InVectors"        ,(void**) &ras_listener_setrotation       },
 107         {"SoundSource_Ended"                           ,(void**) &ras_soundsource_ended          },
 108         {"SoundSourcePoint_New"                        ,(void**) &ras_soundsource_new            },
 109         {"SoundSourcePoint_SetLocation"                ,(void**) &ras_soundsource_setlocation    },
 110         {"SoundEvent_New"                              ,(void**) &ras_soundevent_new             },
 111         {"SoundEvent_Ended"                            ,(void**) &ras_soundevent_ended           },
 112         {"SoundEvent_SetSoundPower"                    ,(void**) &ras_soundevent_setsoundpower   },
 113         { NULL                                         , NULL                                      }
 114 };
 115 static const char* ras_dllname [] =
 116 {
 117 #if defined(WIN32)
 118                 "3dras32.dll",
 119 #elif defined(MACOSX)
 120                 "3dras.dylib",
 121 #else
 122                 "3dras.so",
 123 #endif
 124                 NULL
 125 };
 126
 127 // --- entnum_t List functions ----
 128 void entnum_new(entnum_t** prev, entnum_t** new){ //Adds a new item to the start of the list and sets the pointers.
 129         (*new)=Mem_Alloc(snd_mempool,sizeof(entnum_t));
 130         if(&new){
 131                 (*new)->next=entnum_list.next;
 132                 entnum_list.next=(*new);
 133                 (*prev)=&entnum_list;
 134         }else{
 135                 Con_Printf("Could not allocate memory for a new entnum_t");
 136         }
 137 }
 138 void entnum_begin(entnum_t** prev, entnum_t** now){ //Goes to the beginning of the list and sets the pointers.
 139         (*prev)=&entnum_list;
 140         (*now )=entnum_list.next;
 141 }
 142 void entnum_next(entnum_t** prev, entnum_t** now){ //Goes to the next element
 143         (*prev)=(*now);
 144         (*now )=(*now)->next;
 145 }
 146 void entnum_delete_and_next(entnum_t** prev, entnum_t** now){ //Deletes the element and goes to the next element
 147         entnum_t* next;
 148         next=(*now)->next;
 149         if((*now)->rasptr) ras_delete((*now)->rasptr);
 150         Mem_Free(*now);
 151         (*now)=next;
 152         (*prev)->next=(*now);
 153 }
 154 // --- End Of entnum_t List functions ----
 155
 156 // --- channel_t List functions ----
 157 void channel_new(channel_t** prev, channel_t** new){ //Adds a new item to the start of the list and sets the pointers.
 158         (*new)=Mem_Alloc(snd_mempool,sizeof(channel_t));
 159         if(&new){
 160                 (*new)->next=channel_list.next;
 161                 channel_list.next=(*new);
 162                 (*prev)=&channel_list;
 163         }else{
 164                 Con_Printf("Could not allocate memory for a new channel_t");
 165         }
 166 }
 167 void channel_begin(channel_t** prev, channel_t** now){ //Goes to the beginning of the list and sets the pointers.
 168         (*prev)=&channel_list;
 169         (*now )=channel_list.next;
 170 }
 171 void channel_next(channel_t** prev, channel_t** now){ //Goes to the next element
 172         (*prev)=(*now );
 173         (*now )=(*now)->next;
 174 }
 175 void channel_delete_and_next(channel_t** prev, channel_t** now){ //Deletes the element and goes to the next element
 176         channel_t* next;
 177         next=(*now)->next;
 178         if((*now)->rasptr) ras_delete((*now)->rasptr);
 179         Mem_Free(*now);
 180         (*now)=next;
 181         (*prev)->next=(*now);
 182 }
 183 // --- End Of channel_t List functions ----
 184
 185 // --- sfx_t List functions ----
 186 void sfx_new(sfx_t** prev, sfx_t** new){ //Adds a new item to the start of the list and sets the pointers.
 187         (*new)=Mem_Alloc(snd_mempool,sizeof(sfx_t));
 188         if(&new){
 189                 (*new)->next=sfx_list.next;
 190                 sfx_list.next=(*new);
 191                 (*prev)=&sfx_list;
 192         }else{
 193                 Con_Printf("Could not allocate memory for a new sfx_t");
 194         }
 195 }
 196 void sfx_begin(sfx_t** prev, sfx_t** now){ //Goes to the beginning of the list and sets the pointers.
 197         (*prev)=&sfx_list;
 198         (*now )=sfx_list.next;
 199 }
 200 void sfx_next(sfx_t** prev, sfx_t** now){ //Goes to the next element
 201         (*prev)=(*now );
 202         (*now )=(*now)->next;
 203 }
 204 void sfx_delete_and_next(sfx_t** prev, sfx_t** now){ //Deletes the element and goes to the next element
 205         sfx_t* next;
 206         next=(*now)->next;
 207         if((*now)->rasptr) ras_delete((*now)->rasptr);
 208         Mem_Free(*now);
 209         (*now)=next;
 210         (*prev)->next=(*now);
 211 }
 212 // --- End Of sfx_t List functions ----
 213
 214 void channel_new_smart(channel_t** prev, channel_t** now){
 215         channel_new(prev,now);
 216         ++channel_id_count;
 217         (*now)->id=channel_id_count;
 218 }
 219 void Free_Unlocked_Sfx(void){
 220         sfx_t *prev, *now;
 221         sfx_begin(&prev,&now);
 222         while(now){
 223                 if(
 224                         !(now->flags & SFXFLAG_SERVERSOUND) &&
 225                         now->locks<=0
 226                 ){
 227                         sfx_delete_and_next(&prev,&now);
 228                 }else{
 229                         sfx_next(&prev,&now);
 230                 }
 231         }
 232 }
 233 void DP_To_Ras_Location(const float in[3],Location out[3]){
 234         out[0]=(Location)(in[0]*DP_QU_Ras_Scale );
 235         out[1]=(Location)(in[1]*DP_QU_Ras_Scale );
 236         out[2]=(Location)(in[2]*DP_QU_Ras_Scale );
 237 }
 238 void S_Restart_f(void){
 239         S_Shutdown();
 240         S_Startup();
 241 }
 242 static void S_Play_Common (float fvol, float attenuation){
 243         int i;
 244         char name [MAX_QPATH];
 245         sfx_t *sfx;
 246         if(ras_version>0 && ras_dll){
 247                 #ifdef RAS_PRINT
 248                         Con_Printf("Called S_Play_Common\n");
 249                         Con_Printf("Does this need to be location in depend channel ?\n");
 250                 #endif
 251
 252                 i = 1;
 253                 while (i < Cmd_Argc ())
 254                 {
 255                         // Get the name, and appends ".wav" as an extension if there's none
 256                         strlcpy (name, Cmd_Argv (i), sizeof (name));
 257                         if (!strrchr (name, '.'))
 258                                 strlcat (name, ".wav", sizeof (name));
 259                         i++;
 260
 261                         // If we need to get the volume from the command line
 262                         if (fvol == -1.0f)
 263                         {
 264                                 fvol = atof (Cmd_Argv (i));
 265                                 i++;
 266                         }
 267
 268                         sfx = S_PrecacheSound (name, true, true);
 269                         if (sfx)
 270                                 S_StartSound (-1, 0, sfx, listener_location, fvol, attenuation);
 271                 }
 272         }
 273 }
 274 static void S_Play_f(void){
 275         S_Play_Common (1.0f, 1.0f);
 276 }
 277 static void S_Play2_f(void){
 278         S_Play_Common (1.0f, 0.0f);
 279 }
 280 static void S_PlayVol_f(void){
 281         S_Play_Common (-1.0f, 0.0f);
 282 }
 283 static void S_SoundList_f(void){
 284         channel_t *prev_c, *now_c;
 285             sfx_t *prev_s, *now_s;
 286          entnum_t *prev_e, *now_e;
 287          int count_c,count_s,count_e;
 288
 289         if(ras_version>0 && ras_dll){
 290
 291                 Con_Printf("Sfx (SoundDatas) :\n"
 292                                  "------------------\n"
 293                                  "Locks\tflags\tpointer\tName\n");
 294                 count_s=0;
 295                 sfx_begin(&prev_s,&now_s);
 296                 while(now_s){
 297                         ++count_s;
 298                         Con_Printf("%i\t%i\t%i\t%s\n",
 299                                 now_s->locks, now_s->flags, now_s->rasptr!=NULL, now_s->name
 300                         );
 301                         sfx_next(&prev_s,&now_s);
 302                 }
 303
 304                 Con_Printf("Entnum (SoundSources) :\n"
 305                                  "-----------------------\n"
 306                                  "Ent\tpointer\n");
 307                 count_e=0;
 308                 entnum_begin(&prev_e,&now_e);
 309                 while(now_e){
 310                         ++count_e;
 311                         Con_Printf("%i\t%i\n",
 312                                 now_e->entnum, now_e->rasptr!=NULL
 313                         );
 314                         entnum_next(&prev_e,&now_e);
 315                 }
 316
 317                 Con_Printf("Channels (SoundEvents) :\n"
 318                                  "------------------------\n"
 319                                  "Ent\tChannel\tID\tpointer\n");
 320                 count_c=0;
 321                 channel_begin(&prev_c,&now_c);
 322                 while(now_c){
 323                         ++count_c;
 324                         Con_Printf("%i\t%i\t%i\t%i\n",
 325                                 now_c->entnum, now_c->entchannel, now_c->id, now_c->rasptr!=NULL
 326                         );
 327                         channel_next(&prev_c,&now_c);
 328                 }
 329
 330                 Con_Printf(
 331                         "Count:\n"
 332                         "------\n"
 333                         "Channels: %i\n"
 334                         "Sfx's:    %i\n"
 335                         "Entities: %i\n",
 336                         count_c,count_s,count_e
 337                 );
 338         }
 339 }
 340 void Free_All_sfx(){
 341         sfx_t *prev, *now;
 342         sfx_begin(&prev,&now);
 343         while(now) sfx_delete_and_next(&prev,&now);
 344 }
 345 void Free_All_channel(){
 346         channel_t *prev, *now;
 347         channel_begin(&prev,&now);
 348         while(now) channel_delete_and_next(&prev,&now);
 349 }
 350 void Free_All_entnum(){
 351         entnum_t *prev, *now;
 352         entnum_begin(&prev,&now);
 353         while(now) entnum_delete_and_next(&prev,&now);
 354 }
 355 void S_Init (void){
 356         Location up[3],right[3],front[3];
 357         ras_version=0;
 358         snd_mempool = Mem_AllocPool("sound", 0, NULL);
 359         if(ras_dll) Con_Printf( "3D RAS already loaded ... (this indicates a bug)\n");
 360         if (Sys_LoadLibrary (ras_dllname, &ras_dll, ras_funcs))
 361         {
 362                 Con_Printf ("Loading 3D RAS succeeded\n");
 363                 Con_Printf ("Checking the lib version\n");
 364                 ras_version=ras_getversion();
 365                 if (ras_version>0){
 366
 367                         Con_Printf ("Version %i found\n",ras_version);
 368                         Cvar_RegisterVariable(&volume);
 369                         Cvar_RegisterVariable(&bgmvolume);
 370                         Cvar_RegisterVariable(&snd_staticvolume);
 371                         Cvar_RegisterVariable(&snd_precache);
 372
 373                         Cmd_AddCommand("play", S_Play_f, "play a sound at your current location (not heard by anyone else)");
 374                         Cmd_AddCommand("snd_play", S_Play_f, "play a sound at your current location (not heard by anyone else)");
 375                         Cmd_AddCommand("play2", S_Play2_f, "play a sound globally throughout the level (not heard by anyone else)");
 376                         Cmd_AddCommand("snd_play2", S_Play2_f, "play a sound globally throughout the level (not heard by anyone else)");
 377                         Cmd_AddCommand("playvol", S_PlayVol_f, "play a sound at the specified volume level at your current location (not heard by anyone else)");
 378                         Cmd_AddCommand("snd_playvol", S_PlayVol_f, "play a sound at the specified volume level at your current location (not heard by anyone else)");
 379                         Cmd_AddCommand("stopsound", S_StopAllSounds, "silence");
 380                         Cmd_AddCommand("soundlist", S_SoundList_f, "list loaded sounds");
 381                         Cmd_AddCommand("snd_stopsound", S_StopAllSounds, "silence");
 382                         Cmd_AddCommand("snd_soundlist", S_SoundList_f, "list loaded sounds");
 383                         Cmd_AddCommand("snd_restart", S_Restart_f, "restart sound system");
 384                         Cmd_AddCommand("snd_shutdown", S_Shutdown, "shutdown the sound system keeping the dll loaded");
 385                         Cmd_AddCommand("snd_startup", S_Startup, "start the sound system");
 386                         Cmd_AddCommand("snd_unloadallsounds", S_UnloadAllSounds_f, "unload all sound files");
 387
 388                         //Set the coordinate system inside the lib equal to the one inside dp:
 389                            up[0]= 0 ,   up[1]= 0 ,    up[2]=1;
 390                         right[0]= 0 ,right[1]=-1 , right[2]=0;
 391                         front[0]= 1 ,front[1]= 0 , front[2]=0;
 392                         if(ras_setcoordinatesystem(right,up,front)==0){
 393                                 Con_Printf("Failed to set the Coordinate System\n");
 394                                 ras_version=0;
 395                         }
 396                 }else{
 397                         Con_Printf ("Failed to get the lib version\n");
 398                         Sys_UnloadLibrary (&ras_dll);
 399                         ras_dll=0;
 400                 }
 401         }else{
 402                 ras_dll=0;
 403                 Con_Printf ("Loading 3D RAS failed\n");
 404                 Sys_UnloadLibrary (&ras_dll);
 405         }
 406 }
 407 void S_Terminate (void){
 408         if(ras_dll){
 409                 S_Shutdown();
 410                 Free_All_sfx(); // <= The only valid place to free the sfx.
 411                 Sys_UnloadLibrary(&ras_dll);
 412                 ras_dll=0;
 413                 ras_version=0;
 414         }
 415 }
 416
 417 void S_Startup (void){
 418         Location loc[3]={0, 0, 0};
 419         Scalar   rot[4]={1.0, 0, 0, 0};
 420         if(ras_version>0 && ras_dll){
 421                 channel_id_count=1;
 422                 soundworld= ras_soundworld_new(48000,0.1);
 423                 if(soundworld==0){
 424                         Con_Printf("Failed to start a SoundWorld\n");
 425                 }else{
 426                         Con_Printf("Succeeded in starting a new SoundWorld\n");
 427                         listener=ras_listener_new(soundworld,loc,rot);
 428                         ras_soundworld_setmainlistener(soundworld,listener);
 429                         openframe = ras_soundworld_beginframe(soundworld);
 430                         ras_soundworld_setscale(soundworld,DP_Ras_UnitSize);
 431                 }
 432         }
 433 }
 434 void S_Shutdown (void){
 435         if(ras_version>0 && ras_dll && soundworld){
 436                 if(openframe) ras_soundworld_endframe(soundworld);
 437
 438                 //Order doesn't really matter because the lib takes care of the references
 439                 //Free_All_sfx(); <= DO NOT FREE SFX ... they just keep sending in the old sfx causing havoc.
 440                 Free_All_channel();
 441                 Free_All_entnum();
 442
 443                 ras_soundworld_destroy(soundworld);
 444                 soundworld=ras_delete(soundworld);
 445                 if(soundworld){
 446                         Con_Printf("Failed to stop the SoundWorld\n");
 447                 }else{
 448                         Con_Printf("Succeeded in stopping the SoundWorld\n");
 449                 }
 450         }
 451 }
 452 void S_UnloadAllSounds_f(void){
 453         if(ras_version>0 && ras_dll){
 454                 Free_All_sfx();
 455         }
 456 }
 457
 458 void S_Update(const matrix4x4_t *listener_matrix){
 459         float forward   [3];
 460         float left      [3];
 461         float up        [3];
 462         float float3    [3];
 463         Location location3 [3];
 464         entnum_t  *prev_e, *now_e;
 465         channel_t *prev_c, *now_c;
 466         if(ras_version>0 && ras_dll && soundworld){
 467                 Matrix4x4_ToVectors(listener_matrix,forward,left,up,listener_location); //Add the new player location.
 468                 if(openframe){
 469                         VectorNegate(left,left);
 470                         DP_To_Ras_Location(listener_location,location3);
 471                         ras_listener_setlocation(listener,location3);
 472                         ras_listener_setrotation(listener,left,up,forward);
 473                         /*
 474                         Con_Printf(
 475                                 "DP:  Left={%f|%f|%f} Up={%f|%f|%f} Front={%f|%f|%f}\n",
 476                                    left[0],   left[1],   left[2],
 477                                      up[0],     up[1],     up[2],
 478                                 forward[0],forward[1],forward[2]
 479                         );
 480                         ras_testrotation(left,up,forward);
 481                         Con_Printf(
 482                                 "RAS: Left={%f|%f|%f} Up={%f|%f|%f} Front={%f|%f|%f}\n",
 483                                    left[0],   left[1],   left[2],
 484                                      up[0],     up[1],     up[2],
 485                                 forward[0],forward[1],forward[2]
 486                         );
 487                         */
 488                         if(updatecount>100){
 489                                 updatecount=0;
 490                                 #ifdef RAS_PRINT
 491                                 Con_Printf("S_Update: Add a callback to SCR_CaptureVideo_SoundFrame.\n");
 492                                 Con_Printf("S_Update: Add Slomo.\n");
 493                                 Con_Printf("S_Update: Add BlockedSoundCheck.\n");
 494                                 Con_Printf("S_Update: Add Slomo(as a cvar) and pauze.\n");
 495                                 #endif
 496                         }else{
 497                                 ++updatecount;
 498                         }
 499                         //(15:20:31) div0: (at the moment, you can extend it to multichannel)
 500                         //(15:20:40) div0: see S_CaptureAVISound()
 501                         if(cl.entities){ //if there is a list of ents
 502                                 //Update all entities there position into the sound sources.
 503                                 entnum_begin(&prev_e,&now_e);
 504                                 while(now_e){
 505                                         if(!now_e->rasptr){
 506                                                 Con_Printf("S_Update: Found an entnum_t without a valid RAS-ptr... This indicates a bug.\n");
 507                                                 entnum_delete_and_next(&prev_e,&now_e);
 508                                         }else{ //Look for unused ent and drop them.
 509                                                 if(now_e->entnum!=-1){ //Talking about an ent ? Or a static sound source ?
 510                                                         if(ras_soundsource_ended(now_e->rasptr)){
 511                                                                         VectorCopy(cl.entities[now_e->entnum].state_current.origin,float3);
 512                                                                         VectorCopy(now_e->lastloc,float3);
 513                                                                         DP_To_Ras_Location(float3,location3);
 514                                                                         ras_soundsource_setlocation(now_e->rasptr,location3);
 515                                                                         entnum_next(&prev_e,&now_e);
 516                                                         }else{
 517                                                                 entnum_delete_and_next(&prev_e,&now_e);
 518                                                         }
 519                                                 }else{
 520                                                         if(ras_soundsource_ended(now_e->rasptr)){
 521                                                                 entnum_delete_and_next(&prev_e,&now_e);
 522                                                         }else{
 523                                                                 entnum_next(&prev_e,&now_e);
 524                                                         }
 525                                                 }
 526                                         }
 527                                 }
 528                         }else{
 529                                 Free_All_entnum();
 530                         }
 531                         channel_begin(&prev_c,&now_c);
 532                         while(now_c){
 533                                 if(!now_c->rasptr){
 534                                         Con_Printf("S_Update: Found an channel_t without a valid RAS-ptr... This indicates a bug.\n");
 535                                         channel_delete_and_next(&prev_c,&now_c);
 536                                 }else{ //Look for stopped sound channels and free them
 537                                         if(ras_soundevent_ended(now_c->rasptr)){
 538                                                 channel_delete_and_next(&prev_c,&now_c);
 539                                         }else{
 540                                                 channel_next(&prev_c,&now_c);
 541                                         }
 542                                 }
 543                         }
 544                         ras_soundworld_endframe  (soundworld);
 545                 }
 546                 openframe =ras_soundworld_beginframe(soundworld);
 547         }
 548 }
 549 void S_ExtraUpdate (void){
 550         // This lib is unable to use any extra updates.
 551         //if(ras_version>0 && ras_dll){
 552         //}
 553 }
 554 sfx_t* S_FindName (const char *name){
 555         sfx_t *prev,*now;
 556         if(ras_version>0 && ras_dll){
 557                 #ifdef RAS_PRINT
 558                 Con_Printf("Called S_FindName %s\n",name);
 559                 #endif
 560
 561                 if (strlen (name) >= sizeof (now->name))
 562                 {
 563                         Con_Printf ("S_FindName: sound name too long (%s)\n", name);
 564                         return NULL;
 565                 }
 566
 567                 sfx_begin(&prev,&now);
 568                 // Seek in list
 569                 while (now){
 570                         if(strcmp (now->name, name)==0) return now;
 571                         sfx_next(&prev,&now);
 572                 }
 573
 574                 // None found in the list,
 575                 // Add a sfx_t struct for this sound
 576                 sfx_new(&prev,&now);
 577                 now->locks=0;
 578                 now->flags=0;
 579                 now->rasptr=0;
 580                 //sfx->looptstart=0;
 581                 //sfx->total_length=0;
 582                 strlcpy (now->name, name, sizeof (now->name));
 583                 return now;
 584         }
 585         return NULL;
 586 }
 587 int S_LoadSound(sfx_t *sfx, int complain){
 588         // TODO add SCR_PushLoadingScreen, SCR_PopLoadingScreen calls to this
 589         fs_offset_t filesize;
 590         char namebuffer[MAX_QPATH +16  ];
 591         char filename  [MAX_QPATH +16+4];
 592         char fileext   [4];
 593         size_t len;
 594         unsigned char *data=NULL;
 595         void* file_ptr=NULL;
 596         void* decoder_ptr=NULL;
 597         if(ras_version>0 && ras_dll){
 598
 599                 fileext[4]=0; //Terminator
 600                 // See if already loaded
 601                 if (sfx->rasptr) return true;
 602
 603                 // LordHavoc: if the sound filename does not begin with sound/, try adding it
 604                 if (!data && strncasecmp(sfx->name, "sound/", 6))
 605                 {
 606                         len = dpsnprintf (namebuffer, sizeof(namebuffer), "sound/%s", sfx->name);
 607                         if (len < 0){ // name too long
 608                                 Con_DPrintf("S_LoadSound: name \"%s\" is too long\n", sfx->name);
 609                                 return false;
 610                         }
 611                         if(!data){
 612                                 data = FS_LoadFile(namebuffer, snd_mempool, false, &filesize);
 613                                 if(data) memcpy(fileext,namebuffer+len-3,3); //Copy the extention
 614                         }
 615                         if(!data){ //Stick .wav to the end and try again
 616                                 memcpy(filename,namebuffer,len);
 617                                 memcpy(filename+len-4,".wav",5);
 618                                 data = FS_LoadFile(filename, snd_mempool, false, &filesize);
 619                                 if(data) memcpy(fileext,"wav",3);
 620                         }
 621                         if(!data){ //Stick .ogg to the end and try again
 622                                 memcpy(filename,namebuffer,len);
 623                                 memcpy(filename+len-4,".ogg",5);
 624                                 data = FS_LoadFile(filename, snd_mempool, false, &filesize);
 625                                 if(data) memcpy(fileext,"ogg",3);
 626                         }
 627                 }
 628                 if(!data){
 629                         // LordHavoc: then try without the added sound/ as wav and ogg
 630                         len = dpsnprintf (namebuffer, sizeof(namebuffer), "%s", sfx->name);
 631                         if (len < 0){ // name too long
 632                                 Con_DPrintf("S_LoadSound: name \"%s\" is too long\n", sfx->name);
 633                                 return false;
 634                         }
 635                         if(!data){
 636                                 data = FS_LoadFile(namebuffer, snd_mempool, false, &filesize);
 637                                 if(data) memcpy(fileext,namebuffer+len-3,3); //Copy the file extention
 638                         }
 639                         if(!data){ //Stick .wav to the end
 640                                 memcpy(filename,namebuffer,len);
 641                                 memcpy(filename+len-4,".wav",5);
 642                                 data = FS_LoadFile(filename, snd_mempool, false, &filesize);
 643                                 if(data) memcpy(fileext,"wav",3);
 644                         }
 645                         if(!data){ //Stick .ogg to the end
 646                                 memcpy(filename,namebuffer,len);
 647                                 memcpy(filename+len-4,".ogg",5);
 648                                 data = FS_LoadFile(filename, snd_mempool, false, &filesize);
 649                                 if(data) memcpy(fileext,"ogg",3);
 650                         }
 651                 }
 652                 if (!data){
 653                         if(complain) Con_Printf("Failed attempt load file '%s'\n",namebuffer);
 654                 }else{ //if the file loaded: pass to RAS 3D
 655                         file_ptr=ras_fileinputwhole_new(data,filesize);
 656                         // There we transfered to file to RAS 3D
 657                         // So lets free up data shall we ?
 658                         FS_Close(data);
 659
 660                         if(!file_ptr){
 661                                 Con_Printf("Failed to upload file to audio lib\n");
 662                         }else{
 663                                 if(0==strncasecmp(fileext,"wav",3)){
 664                                         decoder_ptr=ras_audiodecoderwav_new(file_ptr,true); //(true)use seek mode: some quake files are broken.
 665                                 }
 666                                 if(0==strncasecmp(fileext,"ogg",3)){
 667                                         decoder_ptr=ras_audiodecoderogg_new(file_ptr);
 668                                 }
 669                                 if(!decoder_ptr){
 670                                         Con_Printf("File succeeded to load, but no decoder available for '%s'\n",fileext);
 671                                 }else{
 672                                         #ifdef RAS_PRINT
 673                                         Con_Printf("ToDo: Add a cvar to configure the cache size and number of cache blocks.\n");
 674                                         Con_Printf("ToDo: Add support for looping sounds.\n");
 675                                         #endif
 676                                         sfx->rasptr=ras_sounddataoneshot_new(decoder_ptr,0.05,8);
 677                                 }
 678                                 file_ptr=ras_delete(file_ptr);
 679                         }
 680                         return !(sfx->rasptr);
 681                 }
 682                 return false;
 683         }
 684         return false;
 685 }
 686 sfx_t *S_PrecacheSound (const char *name, qboolean complain, qboolean serversound){
 687         sfx_t *sfx;
 688         if(ras_version>0 && ras_dll){
 689                 #ifdef RAS_PRINT
 690                 Con_Printf("Called S_PrecacheSound %s, %i, %i\n",name,complain,serversound);
 691                 #endif
 692                 if (name == NULL || name[0] == 0)
 693                         return NULL;
 694                 sfx = S_FindName (name);
 695                 if (sfx == NULL) return NULL;
 696                 if (lock) ++(sfx->locks);
 697                 if (snd_precache.integer) S_LoadSound(sfx, complain);
 698                 return sfx;
 699         }
 700         return NULL;
 701 }
 702 void S_ClearUsed (void){
 703         sfx_t *prev_s, *now_s;
 704         unsigned int i;
 705
 706         if(ras_version>0 && ras_dll){
 707                 Con_Printf("Called S_ClearUsed\n");
 708                 for(i=0;i<numsounds;++i){
 709                         Con_Printf("Loading :'%s'\n",serversound[i]);
 710                         // Load the ambient sounds
 711
 712                         Con_Printf("ToDo: Load abmient sounds (Need geometry).\n");
 713
 714                         // Remove the SFXFLAG_SERVERSOUND flag
 715                         sfx_begin(&prev_s,&now_s);
 716                         while(now_s){
 717                                 if (now_s->flags & SFXFLAG_SERVERSOUND) now_s->flags &= ~SFXFLAG_SERVERSOUND;
 718                                 sfx_next(&prev_s,&now_s);
 719                         }
 720                 }
 721         }
 722 }
 723 void S_PurgeUnused(void){
 724         Free_Unlocked_Sfx();
 725 }
 726 qboolean S_IsSoundPrecached (const sfx_t *sfx){
 727         if(ras_version>0 && ras_dll){
 728                 return !sfx->rasptr;
 729         }
 730         return 0;
 731 }
 732
 733 void S_KillChannel (channel_t *now){ //Silences a SoundEvent
 734         if(now->rasptr){
 735                 ras_soundevent_setsoundpower(now->rasptr,0);
 736                 ras_delete(now->rasptr);
 737                 now->rasptr=0;
 738         }else{
 739                 Con_Printf("S_KillChannel: Warning pointer was 0 ... this indicates a bug.\n");
 740         }
 741 }
 742
 743 int S_StartSound_OnEnt (int entnum, int entchannel, sfx_t *sfx, float fvol, float attenuation){
 744          entnum_t *prev_e, *now_e;
 745         channel_t *prev_c, *now_c;
 746         Location tmp_location[3];
 747
 748         //If there is a game world
 749         if(!cl.entities){
 750                 Con_Printf("S_StartSound_OnEnt: no entity list exists\n");
 751                 return -1;
 752         }
 753
 754         // Look for the correct ent_t
 755         entnum_begin(&prev_e,&now_e);
 756         while(now_e){
 757                 if(now_e->entnum==entnum) break;
 758                 entnum_next(&prev_e,&now_e);
 759         }
 760         //We found no ent ...  lets make one...
 761         if(!now_e){
 762                 entnum_new(&prev_e,&now_e);
 763                 if(!now_e){
 764                         Con_Printf("S_StartSound_OnEnt: could not make new entnum_t\n");
 765                         return -1;
 766                 }
 767                 VectorCopy(cl.entities[entnum].state_current.origin, now_e->lastloc);
 768                 DP_To_Ras_Location(now_e->lastloc,tmp_location);
 769                 now_e->rasptr=ras_soundsource_new(soundworld,1.0,tmp_location);
 770                 if(!now_e->rasptr){
 771                         Con_Printf("S_StartSound_OnEnt: could not create a new sound source\n");
 772                         return -1;
 773                 }
 774         }
 775
 776         //Ok now lets look for the channel.
 777         channel_begin(&prev_c,&now_c);
 778         while(now_c){
 779                 if(
 780                         now_c->entnum==entnum &&
 781                         now_c->entchannel==entchannel
 782                 ) break;
 783                 channel_next(&prev_c,&now_c);
 784         }
 785
 786         if(now_c){ //O dear the channel excists ....
 787                 S_KillChannel(now_c);
 788         }else{ //We found no channel .... So we need to make a new one ...
 789                 channel_new_smart(&prev_c,&now_c);
 790                 now_c->entnum    =entnum;
 791                 now_c->entchannel=entchannel;
 792                 if(!now_c){
 793                         Con_Printf("S_StartSound_OnEnt: could not make new channel_t\n");
 794                         channel_delete_and_next(&prev_c,&now_c);
 795                         return -1;
 796                 }
 797         }
 798
 799         //Lets start the sound on the acquired sound source and channel
 800         now_c->rasptr=ras_soundevent_new(
 801                 soundworld,now_e->rasptr,sfx->rasptr,fvol*DP_Ras_VolumeScale,1.0
 802         );
 803         if(!now_c->rasptr){ //Whoops, failed, lets delete this channel then.
 804                 channel_delete_and_next(&prev_c,&now_c);
 805                 Con_Printf("S_StartSound_OnEnt: could not make a new soundevent.\n");
 806                 return -1;
 807         }
 808         return now_c->id;
 809 }
 810 int S_StartSound_OnLocation (sfx_t *sfx, vec3_t origin, float fvol, float attenuation){
 811          entnum_t *prev_e, *now_e;
 812         channel_t *prev_c, *now_c;
 813         Location tmp_location[3];
 814         DP_To_Ras_Location(origin,tmp_location);
 815
 816          entnum_new      (&prev_e,&now_e);
 817         VectorCopy(now_e->lastloc,origin);
 818         now_e->entnum=-1;
 819         now_e->rasptr=ras_soundsource_new(soundworld,1.0,tmp_location);
 820         if(!now_e->rasptr){
 821                 Con_Printf("S_StartSound_OnLocation: Could not make a new soundsource.\n");
 822                 entnum_delete_and_next(&prev_e,&now_e);
 823                 return -1;
 824         }
 825         channel_new_smart(&prev_c,&now_c);
 826         now_c->entnum=-1;
 827         now_c->entchannel=-1;
 828         now_c->rasptr =ras_soundevent_new(soundworld,now_e->rasptr,sfx->rasptr,fvol*DP_Ras_VolumeScale,1.0);
 829         if(!now_c->rasptr){
 830                  entnum_delete_and_next(&prev_e,&now_e);
 831                 channel_delete_and_next(&prev_c,&now_c);
 832                 Con_Printf("S_StartSound_OnLocation: Could not make a new soundevent.\n");
 833                 return -1;
 834         }
 835         return now_c->id;
 836 }
 837
 838
 839 // Qantourisc on the wicked-quake-sound-system:
 840 // --------------------------------------------
 841 // entnum can be Zero or lower => This means "use the origin" so it's not tracked.
 842 // entnum -1 is a "world" containing more then 1 soundsource.
 843 // If channel !=  0 try to overwrite the requested channel. Otherwise play it on some random channel.
 844 // If channel == -1 overwrite the first track of the ent.
 845 // If a channel replacement is requested, only allow overwriting if it's owned by the same channel.
 846 // If no channel can be replaced, pick a new one.
 847 // Also when you overwrite a channel, that one has to stop dead.
 848 // This function returns the channel it was played on (so it can be stopped later)
 849 // This starts CD-music: S_StartSound (-1, 0, sfx, vec3_origin, cdvolume, 0);
 850 // The channel you return then, can later be requested to be stopped.
 851
 852 int S_StartSound (int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float fvol, float attenuation){
 853         sfx_t *prev_s,*now_s;
 854         int sfx_ok;
 855         if(ras_version>0 && ras_dll && soundworld){
 856                 #ifdef RAS_PRINT
 857                 Con_Printf("Called S_StartSound %i, %i, %f, %f\n",entnum,entchannel,fvol,attenuation);
 858                 #endif
 859                 if(sfx==NULL){ // They pass this to me ... but WHY ? it makes no sense !
 860                         #ifdef RAS_PRINT
 861                         Con_Printf("S_StartSound: forgot to mention a sfx!\n");
 862                         #endif
 863                         return -1;
 864                 }
 865
 866                 sfx_ok=0;
 867                 sfx_begin(&prev_s,&now_s);
 868                 while(now_s){
 869                         if(now_s==sfx){
 870                                 sfx_ok=1;
 871                                 break;
 872                         }
 873                         sfx_next(&prev_s,&now_s);
 874                 }
 875                 if(!sfx_ok){
 876                         Con_Printf("S_StartSound: passed illegal sfx_t!\n");
 877                         return -1;
 878                 }
 879                 if (!S_LoadSound(sfx,true)) return -1;
 880
 881
 882                 if(entnum!=-1){ //If we are talking about an ent
 883                         return S_StartSound_OnEnt(entnum,entchannel,sfx,fvol,attenuation);
 884                 }else{
 885                         return S_StartSound_OnLocation(      sfx,origin,fvol,attenuation);
 886                 }
 887         }
 888         Con_Printf("S_StartSound: engine not stated\n");
 889         return -1;
 890 }
 891 qboolean S_LocalSound (const char *s){
 892         sfx_t   *sfx;
 893         int             ch_ind;
 894         if(ras_version>0 && ras_dll){
 895                 #ifdef RAS_PRINT
 896                 Con_Printf("Called S_LocalSound %s\n",s);
 897                 #endif
 898
 899                 sfx = S_PrecacheSound (s, true, true);
 900                 if (!sfx)
 901                 {
 902                         Con_Printf("S_LocalSound: can't precache %s\n", s);
 903                         return false;
 904                 }
 905
 906                 // Local sounds must not be freed
 907                 sfx->flags |= SFXFLAG_PERMANENTLOCK;
 908                 #ifdef RAS_PRINT
 909                 Con_Printf("S_LocalSound: this is still a small hack\n");
 910                 #endif
 911                 ch_ind = S_StartSound (cl.viewentity, 0, sfx, listener_location, 1, 0);
 912                 if (ch_ind < 0)
 913                         return false;
 914
 915                 //channels[ch_ind].flags |= CHANNELFLAG_LOCALSOUND;
 916                 return true;
 917         }
 918         return 0;
 919 }
 920 void S_StaticSound (sfx_t *sfx, vec3_t origin, float fvol, float attenuation){
 921         //Static sounds should not be looped
 922         if(ras_version>0 && ras_dll){
 923                 #ifdef RAS_PRINT
 924                 Con_Printf("Called S_StaticSound\n");
 925                 Con_Printf("Waiting on Qantourisc to add Static sounds in his lib.\n");
 926                 #endif
 927                 //Static sounds are sounds that are not pauzed, and or played locally.
 928         }
 929 }
 930 void S_StopSound (int entnum, int entchannel){
 931         channel_t *prev, *now;
 932         if(ras_version>0 && ras_dll){
 933                 //Con_Printf("Called S_StopSound %i, %i\n",entnum,entchannel);
 934                 channel_begin(&prev,&now);
 935                 while(now){
 936                         if(now->entnum==entnum && now->entchannel==entchannel) break;
 937                         channel_next(&prev,&now);
 938                 }
 939                 if(now){ //If we found our to delete sound.
 940                         S_KillChannel(now);
 941                         channel_delete_and_next(&prev,&now);
 942                 }else{
 943                         Con_Printf("S_StopSound: Could not find the requested entnum-entchannel sound\n");
 944                 }
 945         }
 946 }
 947 void S_StopAllSounds (void){
 948         channel_t *prev, *now;
 949         if(ras_version>0 && ras_dll){
 950                 //Con_Printf("Called S_StopAllSounds\n");
 951                 channel_begin(&prev,&now);
 952                 while(now){
 953                         S_KillChannel(now);
 954                         channel_next(&prev,&now);
 955                 }
 956         }
 957 }
 958 void S_PauseGameSounds (qboolean toggle){
 959         if(ras_version>0 && ras_dll){
 960                 Con_Printf("Called S_PauseGameSounds %i\n",toggle);
 961                 //Localsounds should not be pauzed
 962         }
 963 }
 964 void S_StopChannel (unsigned int channel_ind){
 965         channel_t *prev,*now;
 966         if(ras_version>0 && ras_dll){
 967                 channel_begin(&prev,&now);
 968                 while(now){
 969                         if(now->id==channel_ind){
 970                                 S_KillChannel(now);
 971                                 channel_delete_and_next(&prev,&now);
 972                         }else{
 973                                 channel_next(&prev,&now);
 974                         }
 975                 }
 976         }
 977 }
 978 qboolean S_SetChannelFlag (unsigned int ch_ind, unsigned int flag, qboolean value){
 979         if(ras_version>0 && ras_dll){
 980                 Con_Printf("Called S_SetChannelFlag %u, %u, %i\n",ch_ind, flag, value);
 981         }
 982         return 0;
 983 }
 984 void S_SetChannelVolume (unsigned int ch_ind, float fvol){
 985         channel_t *prev,*now;
 986         if(ras_version>0 && ras_dll){
 987                 Con_Printf("Called S_SetChannelVolume %u, %f\n",ch_ind, fvol);
 988                 channel_begin(&prev,&now);
 989                 while(now){
 990                         if(now->id==ch_ind){
 991                                 if(now->rasptr){
 992                                         ras_soundevent_setsoundpower(now->rasptr,fvol*DP_Ras_VolumeScale);
 993                                 }else{
 994                                         Con_Printf("S_StopChannel: Warning pointer was 0 ... this indicates a bug.\n");
 995                                 }
 996                         }
 997                         channel_next(&prev,&now);
 998                 }
 999         }
1000 }
1001
1002 float S_GetChannelPosition (unsigned int ch_ind)
1003 {
1004         // FIXME unsupported
1005         return -1;
1006 }
1007
1008 void S_BlockSound (void){
1009         soundblocked++;
1010 }
1011 void S_UnblockSound (void){
1012         soundblocked--;
1013         if(soundblocked<0){
1014                 Con_Printf("S_UnblockSound: Requested more S_UnblockSound then S_BlockSound.\n");
1015         }
1016 }
1017
1018 int S_GetSoundRate (void){
1019         Con_Printf("Inside 3DRAS, the soundrate of the end-user is NONE of the dev's concern.\n");
1020         Con_Printf("So let's assume 44100.\n");
1021         return 44100;
1022 }
1023
1024 int S_GetSoundChannels (void){
1025         Con_Printf("Inside 3DRAS, the soundrate of the end-user is NONE of the dev's concern.\n");
1026         Con_Printf("So let's assume 2.\n");
1027         return 2;
1028 }
1029
1030 /*
1031 ====================
1032 SndSys_SendKeyEvents
1033
1034 Send keyboard events originating from the sound system (e.g. MIDI)
1035 ====================
1036 */
1037 void SndSys_SendKeyEvents(void)
1038 {
1039         // not supported
1040 }