cl_parse.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // cl_parse.c  -- parse a message received from the server
  21
  22 #include "quakedef.h"
  23
  24 char *svc_strings[] =
  25 {
  26         "svc_bad",
  27         "svc_nop",
  28         "svc_disconnect",
  29         "svc_updatestat",
  30         "svc_version",          // [long] server version
  31         "svc_setview",          // [short] entity number
  32         "svc_sound",                    // <see code>
  33         "svc_time",                     // [float] server time
  34         "svc_print",                    // [string] null terminated string
  35         "svc_stufftext",                // [string] stuffed into client's console buffer
  36                                                 // the string should be \n terminated
  37         "svc_setangle",         // [vec3] set the view angle to this absolute value
  38
  39         "svc_serverinfo",               // [long] version
  40                                                 // [string] signon string
  41                                                 // [string]..[0]model cache [string]...[0]sounds cache
  42                                                 // [string]..[0]item cache
  43         "svc_lightstyle",               // [byte] [string]
  44         "svc_updatename",               // [byte] [string]
  45         "svc_updatefrags",      // [byte] [short]
  46         "svc_clientdata",               // <shortbits + data>
  47         "svc_stopsound",                // <see code>
  48         "svc_updatecolors",     // [byte] [byte]
  49         "svc_particle",         // [vec3] <variable>
  50         "svc_damage",                   // [byte] impact [byte] blood [vec3] from
  51
  52         "svc_spawnstatic",
  53         "OBSOLETE svc_spawnbinary",
  54         "svc_spawnbaseline",
  55
  56         "svc_temp_entity",              // <variable>
  57         "svc_setpause",
  58         "svc_signonnum",
  59         "svc_centerprint",
  60         "svc_killedmonster",
  61         "svc_foundsecret",
  62         "svc_spawnstaticsound",
  63         "svc_intermission",
  64         "svc_finale",                   // [string] music [string] text
  65         "svc_cdtrack",                  // [byte] track [byte] looptrack
  66         "svc_sellscreen",
  67         "svc_cutscene",
  68         "svc_showlmp",  // [string] iconlabel [string] lmpfile [byte] x [byte] y
  69         "svc_hidelmp",  // [string] iconlabel
  70         "svc_skybox", // [string] skyname
  71         "?", // 38
  72         "?", // 39
  73         "?", // 40
  74         "?", // 41
  75         "?", // 42
  76         "?", // 43
  77         "?", // 44
  78         "?", // 45
  79         "?", // 46
  80         "?", // 47
  81         "?", // 48
  82         "?", // 49
  83         "svc_farclip", // [coord] size
  84         "svc_fog", // [byte] enable <optional past this point, only included if enable is true> [short * 4096] density [byte] red [byte] green [byte] blue
  85         "svc_playerposition" // [float] x [float] y [float] z
  86 };
  87
  88 //=============================================================================
  89
  90 qboolean Nehahrademcompatibility; // LordHavoc: to allow playback of the early Nehahra movie segments
  91 qboolean dpprotocol; // LordHavoc: whether or not the current network stream is the enhanced DarkPlaces protocol
  92
  93 /*
  94 ===============
  95 CL_EntityNum
  96
  97 This error checks and tracks the total number of entities
  98 ===============
  99 */
 100 entity_t        *CL_EntityNum (int num)
 101 {
 102         if (num >= cl.num_entities)
 103         {
 104                 if (num >= MAX_EDICTS)
 105                         Host_Error ("CL_EntityNum: %i is an invalid number",num);
 106                 while (cl.num_entities<=num)
 107                 {
 108                         cl_entities[cl.num_entities].colormap = -1; // no special coloring
 109                         cl.num_entities++;
 110                 }
 111         }
 112
 113         return &cl_entities[num];
 114 }
 115
 116
 117 /*
 118 ==================
 119 CL_ParseStartSoundPacket
 120 ==================
 121 */
 122 void CL_ParseStartSoundPacket(void)
 123 {
 124     vec3_t  pos;
 125     int         channel, ent;
 126     int         sound_num;
 127     int         volume;
 128     int         field_mask;
 129     float       attenuation;
 130         int             i;
 131
 132     field_mask = MSG_ReadByte();
 133
 134     if (field_mask & SND_VOLUME)
 135                 volume = MSG_ReadByte ();
 136         else
 137                 volume = DEFAULT_SOUND_PACKET_VOLUME;
 138
 139     if (field_mask & SND_ATTENUATION)
 140                 attenuation = MSG_ReadByte () / 64.0;
 141         else
 142                 attenuation = DEFAULT_SOUND_PACKET_ATTENUATION;
 143
 144         channel = MSG_ReadShort ();
 145         sound_num = MSG_ReadByte ();
 146
 147         ent = channel >> 3;
 148         channel &= 7;
 149
 150         if (ent > MAX_EDICTS)
 151                 Host_Error ("CL_ParseStartSoundPacket: ent = %i", ent);
 152
 153         for (i=0 ; i<3 ; i++)
 154                 pos[i] = MSG_ReadCoord ();
 155
 156     S_StartSound (ent, channel, cl.sound_precache[sound_num], pos, volume/255.0, attenuation);
 157 }
 158
 159 /*
 160 ==================
 161 CL_KeepaliveMessage
 162
 163 When the client is taking a long time to load stuff, send keepalive messages
 164 so the server doesn't disconnect.
 165 ==================
 166 */
 167 void CL_KeepaliveMessage (void)
 168 {
 169         float   time;
 170         static float lastmsg;
 171         int             ret;
 172         sizebuf_t       old;
 173         byte            olddata[8192];
 174
 175         if (sv.active)
 176                 return;         // no need if server is local
 177         if (cls.demoplayback)
 178                 return;
 179
 180 // read messages from server, should just be nops
 181         old = net_message;
 182         memcpy (olddata, net_message.data, net_message.cursize);
 183
 184         do
 185         {
 186                 ret = CL_GetMessage ();
 187                 switch (ret)
 188                 {
 189                 default:
 190                         Host_Error ("CL_KeepaliveMessage: CL_GetMessage failed");
 191                 case 0:
 192                         break;  // nothing waiting
 193                 case 1:
 194                         Host_Error ("CL_KeepaliveMessage: received a message");
 195                         break;
 196                 case 2:
 197                         if (MSG_ReadByte() != svc_nop)
 198                                 Host_Error ("CL_KeepaliveMessage: datagram wasn't a nop");
 199                         break;
 200                 }
 201         } while (ret);
 202
 203         net_message = old;
 204         memcpy (net_message.data, olddata, net_message.cursize);
 205
 206 // check time
 207         time = Sys_FloatTime ();
 208         if (time - lastmsg < 5)
 209                 return;
 210         lastmsg = time;
 211
 212 // write out a nop
 213         Con_Printf ("--> client to server keepalive\n");
 214
 215         MSG_WriteByte (&cls.message, clc_nop);
 216         NET_SendMessage (cls.netcon, &cls.message);
 217         SZ_Clear (&cls.message);
 218 }
 219
 220 extern qboolean isworldmodel;
 221 extern char skyname[];
 222 extern float fog_density;
 223 extern float fog_red;
 224 extern float fog_green;
 225 extern float fog_blue;
 226 extern void R_SetSkyBox (char *sky);
 227 extern void FOG_clear();
 228 extern cvar_t r_farclip;
 229
 230 void CL_ParseEntityLump(char *entdata)
 231 {
 232         char *data;
 233         char key[128], value[1024];
 234         char wadname[128];
 235         int i, j, k;
 236         FOG_clear(); // LordHavoc: no fog until set
 237         skyname[0] = 0; // LordHavoc: no enviroment mapped sky until set
 238         r_farclip.value = 6144; // LordHavoc: default farclip distance
 239         data = entdata;
 240         if (!data)
 241                 return;
 242         data = COM_Parse(data);
 243         if (!data)
 244                 return; // valid exit
 245         if (com_token[0] != '{')
 246                 return; // error
 247         while (1)
 248         {
 249                 data = COM_Parse(data);
 250                 if (!data)
 251                         return; // error
 252                 if (com_token[0] == '}')
 253                         return; // since we're just parsing the first ent (worldspawn), exit
 254                 strcpy(key, com_token);
 255                 while (key[strlen(key)-1] == ' ') // remove trailing spaces
 256                         key[strlen(key)-1] = 0;
 257                 data = COM_Parse(data);
 258                 if (!data)
 259                         return; // error
 260                 strcpy(value, com_token);
 261                 if (!strcmp("sky", key))
 262                         R_SetSkyBox(value);
 263                 else if (!strcmp("skyname", key)) // non-standard, introduced by QuakeForge... sigh.
 264                         R_SetSkyBox(value);
 265                 else if (!strcmp("qlsky", key)) // non-standard, introduced by QuakeLives (EEK)
 266                         R_SetSkyBox(value);
 267                 else if (!strcmp("farclip", key))
 268                 {
 269                         r_farclip.value = atof(value);
 270                         if (r_farclip.value < 64)
 271                                 r_farclip.value = 64;
 272                 }
 273                 else if (!strcmp("fog", key))
 274                 {
 275                         scanf(value, "%f %f %f %f", &fog_density, &fog_red, &fog_green, &fog_blue);
 276                         j = 0;
 277                 }
 278                 else if (!strcmp("fog_density", key))
 279                         fog_density = atof(value);
 280                 else if (!strcmp("fog_red", key))
 281                         fog_red = atof(value);
 282                 else if (!strcmp("fog_green", key))
 283                         fog_green = atof(value);
 284                 else if (!strcmp("fog_blue", key))
 285                         fog_blue = atof(value);
 286                 else if (!strcmp("wad", key)) // for HalfLife maps
 287                 {
 288                         j = 0;
 289                         for (i = 0;i < 128;i++)
 290                                 if (value[i] != ';' && value[i] != '\\' && value[i] != '/' && value[i] != ':')
 291                                         break;
 292                         if (value[i])
 293                         {
 294                                 for (;i < 128;i++)
 295                                 {
 296                                         // ignore path - the \\ check is for HalfLife... stupid windoze 'programmers'...
 297                                         if (value[i] == '\\' || value[i] == '/' || value[i] == ':')
 298                                                 j = i+1;
 299                                         else if (value[i] == ';' || value[i] == 0)
 300                                         {
 301                                                 k = value[i];
 302                                                 value[i] = 0;
 303                                                 strcpy(wadname, "textures/");
 304                                                 strcat(wadname, &value[j]);
 305                                                 W_LoadTextureWadFile (wadname, FALSE);
 306                                                 j = i+1;
 307                                                 if (!k)
 308                                                         break;
 309                                         }
 310                                 }
 311                         }
 312                 }
 313         }
 314 }
 315
 316 /*
 317 ==================
 318 CL_ParseServerInfo
 319 ==================
 320 */
 321 extern cvar_t demo_nehahra;
 322 void CL_ParseServerInfo (void)
 323 {
 324         char    *str;
 325         int             i;
 326         int             nummodels, numsounds;
 327         char    model_precache[MAX_MODELS][MAX_QPATH];
 328         char    sound_precache[MAX_SOUNDS][MAX_QPATH];
 329
 330         Con_DPrintf ("Serverinfo packet received.\n");
 331 //
 332 // wipe the client_state_t struct
 333 //
 334         CL_ClearState ();
 335
 336 // parse protocol version number
 337         i = MSG_ReadLong ();
 338         if (i != PROTOCOL_VERSION && i != 250)
 339         {
 340                 Con_Printf ("Server returned version %i, not %i", i, PROTOCOL_VERSION);
 341                 return;
 342         }
 343         Nehahrademcompatibility = false;
 344         if (i == 250)
 345                 Nehahrademcompatibility = true;
 346         if (cls.demoplayback && demo_nehahra.value)
 347                 Nehahrademcompatibility = true;
 348         dpprotocol = i == DPPROTOCOL_VERSION;
 349
 350 // parse maxclients
 351         cl.maxclients = MSG_ReadByte ();
 352         if (cl.maxclients < 1 || cl.maxclients > MAX_SCOREBOARD)
 353         {
 354                 Con_Printf("Bad maxclients (%u) from server\n", cl.maxclients);
 355                 return;
 356         }
 357         cl.scores = Hunk_AllocName (cl.maxclients*sizeof(*cl.scores), "scores");
 358
 359 // parse gametype
 360         cl.gametype = MSG_ReadByte ();
 361
 362 // parse signon message
 363         str = MSG_ReadString ();
 364         strncpy (cl.levelname, str, sizeof(cl.levelname)-1);
 365
 366 // seperate the printfs so the server message can have a color
 367         if (!Nehahrademcompatibility) // no messages when playing the Nehahra movie
 368         {
 369                 Con_Printf("\n\n\35\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\37\n\n");
 370                 Con_Printf ("%c%s\n", 2, str);
 371         }
 372
 373 //
 374 // first we go through and touch all of the precache data that still
 375 // happens to be in the cache, so precaching something else doesn't
 376 // needlessly purge it
 377 //
 378
 379 // precache models
 380         memset (cl.model_precache, 0, sizeof(cl.model_precache));
 381         for (nummodels=1 ; ; nummodels++)
 382         {
 383                 str = MSG_ReadString ();
 384                 if (!str[0])
 385                         break;
 386                 if (nummodels==MAX_MODELS)
 387                 {
 388                         Con_Printf ("Server sent too many model precaches\n");
 389                         return;
 390                 }
 391                 strcpy (model_precache[nummodels], str);
 392                 Mod_TouchModel (str);
 393         }
 394
 395 // precache sounds
 396         memset (cl.sound_precache, 0, sizeof(cl.sound_precache));
 397         for (numsounds=1 ; ; numsounds++)
 398         {
 399                 str = MSG_ReadString ();
 400                 if (!str[0])
 401                         break;
 402                 if (numsounds==MAX_SOUNDS)
 403                 {
 404                         Con_Printf ("Server sent too many sound precaches\n");
 405                         return;
 406                 }
 407                 strcpy (sound_precache[numsounds], str);
 408                 S_TouchSound (str);
 409         }
 410
 411 //
 412 // now we try to load everything else until a cache allocation fails
 413 //
 414
 415         for (i=1 ; i<nummodels ; i++)
 416         {
 417                 isworldmodel = i == 1; // LordHavoc: first model is the world model
 418                 cl.model_precache[i] = Mod_ForName (model_precache[i], false);
 419                 if (cl.model_precache[i] == NULL)
 420                 {
 421                         Con_Printf("Model %s not found\n", model_precache[i]);
 422                         return;
 423                 }
 424                 CL_KeepaliveMessage ();
 425         }
 426
 427         S_BeginPrecaching ();
 428         for (i=1 ; i<numsounds ; i++)
 429         {
 430                 cl.sound_precache[i] = S_PrecacheSound (sound_precache[i]);
 431                 CL_KeepaliveMessage ();
 432         }
 433         S_EndPrecaching ();
 434
 435
 436 // local state
 437         cl_entities[0].model = cl.worldmodel = cl.model_precache[1];
 438
 439         R_NewMap ();
 440
 441         Hunk_Check ();          // make sure nothing is hurt
 442
 443         noclip_anglehack = false;               // noclip is turned off at start
 444 }
 445
 446
 447 /*
 448 ==================
 449 CL_ParseUpdate
 450
 451 Parse an entity update message from the server
 452 If an entities model or origin changes from frame to frame, it must be
 453 relinked.  Other attributes can change without relinking.
 454 ==================
 455 */
 456 //int   bitcounts[16];
 457
 458 void CL_ParseUpdate (int bits)
 459 {
 460         int                     i, modnum, num, skin, alpha, scale, glowsize, glowcolor, colormod;
 461         model_t         *model;
 462         qboolean        forcelink;
 463         entity_t        *ent;
 464         entity_state_t *baseline;
 465
 466         if (cls.signon == SIGNONS - 1)
 467         {       // first update is the final signon stage
 468                 cls.signon = SIGNONS;
 469                 CL_SignonReply ();
 470         }
 471
 472         if (bits & U_MOREBITS)
 473         {
 474                 i = MSG_ReadByte ();
 475                 bits |= (i<<8);
 476         }
 477         if (bits & U_EXTEND1 && !Nehahrademcompatibility)
 478         {
 479                 bits |= MSG_ReadByte() << 16;
 480                 if (bits & U_EXTEND2)
 481                         bits |= MSG_ReadByte() << 24;
 482         }
 483
 484         if (bits & U_LONGENTITY)
 485                 num = MSG_ReadShort ();
 486         else
 487                 num = MSG_ReadByte ();
 488
 489         ent = CL_EntityNum (num);
 490
 491 //for (i=0 ; i<16 ; i++)
 492 //if (bits&(1<<i))
 493 //      bitcounts[i]++;
 494
 495         forcelink = ent->msgtime != cl.mtime[1]; // no previous frame to lerp from
 496
 497         ent->msgtime = cl.mtime[0];
 498
 499         // LordHavoc: new protocol stuff
 500         baseline = &ent->baseline;
 501         if (bits & U_DELTA)
 502                 baseline = &ent->deltabaseline;
 503
 504         modnum = bits & U_MODEL ? MSG_ReadByte() : baseline->modelindex;
 505         if (modnum >= MAX_MODELS)
 506                 Host_Error ("CL_ParseModel: bad modnum");
 507         ent->deltabaseline.modelindex = modnum;
 508
 509         model = cl.model_precache[modnum];
 510         if (model != ent->model)
 511         {
 512                 ent->model = model;
 513         // automatic animation (torches, etc) can be either all together
 514         // or randomized
 515                 if (model)
 516                         ent->syncbase = model->synctype == ST_RAND ? (float)(rand()&0x7fff) / 0x7fff : 0.0;
 517                 else
 518                         forcelink = true;       // hack to make null model players work
 519         }
 520
 521         ent->frame = ((bits & U_FRAME) ? MSG_ReadByte() : (baseline->frame & 0xFF));
 522
 523         i = bits & U_COLORMAP ? MSG_ReadByte() : baseline->colormap;
 524         ent->deltabaseline.colormap = i;
 525         if (!i)
 526                 ent->colormap = -1; // no special coloring
 527         else
 528         {
 529                 if (i > cl.maxclients)
 530                         Host_Error ("i >= cl.maxclients");
 531                 ent->colormap = cl.scores[i-1].colors; // color it
 532         }
 533
 534         skin = bits & U_SKIN ? MSG_ReadByte() : baseline->skin;
 535         if (skin != ent->skinnum)
 536         {
 537                 ent->skinnum = skin;
 538         }
 539         ent->deltabaseline.skin = skin;
 540
 541         ent->effects = ((bits & U_EFFECTS) ? MSG_ReadByte() : (baseline->effects & 0xFF));
 542
 543 // shift the known values for interpolation
 544         VectorCopy (ent->msg_origins[0], ent->msg_origins[1]);
 545         VectorCopy (ent->msg_angles[0], ent->msg_angles[1]);
 546         VectorCopy (baseline->origin, ent->msg_origins[0]);
 547         VectorCopy (baseline->angles, ent->msg_angles[0]);
 548
 549         if (bits & U_ORIGIN1) ent->msg_origins[0][0] = MSG_ReadCoord ();
 550         if (bits & U_ANGLE1) ent->msg_angles[0][0] = MSG_ReadAngle();
 551         if (bits & U_ORIGIN2) ent->msg_origins[0][1] = MSG_ReadCoord ();
 552         if (bits & U_ANGLE2) ent->msg_angles[0][1] = MSG_ReadAngle();
 553         if (bits & U_ORIGIN3) ent->msg_origins[0][2] = MSG_ReadCoord ();
 554         if (bits & U_ANGLE3) ent->msg_angles[0][2] = MSG_ReadAngle();
 555
 556         VectorCopy(ent->msg_origins[0], ent->deltabaseline.origin);
 557         VectorCopy(ent->msg_angles[0], ent->deltabaseline.angles);
 558
 559         alpha = bits & U_ALPHA ? MSG_ReadByte() : baseline->alpha;
 560         scale = bits & U_SCALE ? MSG_ReadByte() : baseline->scale;
 561         ent->effects |= ((bits & U_EFFECTS2) ? (MSG_ReadByte() << 8) : (baseline->effects & 0xFF00));
 562         glowsize = bits & U_GLOWSIZE ? MSG_ReadByte() : baseline->glowsize;
 563         glowcolor = bits & U_GLOWCOLOR ? MSG_ReadByte() : baseline->glowcolor;
 564         colormod = bits & U_COLORMOD ? MSG_ReadByte() : baseline->colormod;
 565         ent->frame |= ((bits & U_FRAME2) ? (MSG_ReadByte() << 8) : (baseline->frame & 0xFF00));
 566         ent->deltabaseline.alpha = alpha;
 567         ent->deltabaseline.scale = scale;
 568         ent->deltabaseline.effects = ent->effects;
 569         ent->deltabaseline.glowsize = glowsize;
 570         ent->deltabaseline.glowcolor = glowcolor;
 571         ent->deltabaseline.colormod = colormod;
 572         ent->deltabaseline.frame = ent->frame;
 573         ent->alpha = (float) alpha * (1.0 / 255.0);
 574         ent->scale = (float) scale * (1.0 / 16.0);
 575         ent->glowsize = glowsize * 4.0;
 576         ent->glowcolor = glowcolor;
 577         ent->colormod[0] = (float) ((colormod >> 5) & 7) * (1.0 / 7.0);
 578         ent->colormod[1] = (float) ((colormod >> 2) & 7) * (1.0 / 7.0);
 579         ent->colormod[2] = (float) (colormod & 3) * (1.0 / 3.0);
 580         if (bits & U_EXTEND1 && Nehahrademcompatibility) // LordHavoc: to allow playback of the early Nehahra movie segments
 581         {
 582                 i = MSG_ReadFloat();
 583                 ent->alpha = MSG_ReadFloat();
 584                 if (i == 2 && MSG_ReadFloat() != 0.0)
 585                         ent->effects |= EF_FULLBRIGHT;
 586                 if (ent->alpha == 0)
 587                         ent->alpha = 1;
 588         }
 589
 590         //if ( bits & U_NOLERP )
 591         //      ent->forcelink = true;
 592         //if (bits & U_STEP) // FIXME: implement clientside interpolation of monsters
 593
 594         if ( forcelink )
 595         {       // didn't have an update last message
 596                 VectorCopy (ent->msg_origins[0], ent->msg_origins[1]);
 597                 VectorCopy (ent->msg_origins[0], ent->origin);
 598                 VectorCopy (ent->msg_angles[0], ent->msg_angles[1]);
 599                 VectorCopy (ent->msg_angles[0], ent->angles);
 600                 ent->forcelink = true;
 601         }
 602 }
 603
 604 /*
 605 ==================
 606 CL_ParseBaseline
 607 ==================
 608 */
 609 void CL_ParseBaseline (entity_t *ent)
 610 {
 611         int                     i;
 612
 613         ent->baseline.modelindex = MSG_ReadByte ();
 614         ent->baseline.frame = MSG_ReadByte ();
 615         ent->baseline.colormap = MSG_ReadByte();
 616         ent->baseline.skin = MSG_ReadByte();
 617         for (i=0 ; i<3 ; i++)
 618         {
 619                 ent->baseline.origin[i] = MSG_ReadCoord ();
 620                 ent->baseline.angles[i] = MSG_ReadAngle ();
 621         }
 622         ent->baseline.alpha = 255;
 623         ent->baseline.scale = 16;
 624         ent->baseline.glowsize = 0;
 625         ent->baseline.glowcolor = 254;
 626         ent->baseline.colormod = 255;
 627 }
 628
 629
 630 /*
 631 ==================
 632 CL_ParseClientdata
 633
 634 Server information pertaining to this client only
 635 ==================
 636 */
 637 void CL_ParseClientdata (int bits)
 638 {
 639         int             i, j;
 640
 641         if (bits & SU_VIEWHEIGHT)
 642                 cl.viewheight = MSG_ReadChar ();
 643         else
 644                 cl.viewheight = DEFAULT_VIEWHEIGHT;
 645
 646         if (bits & SU_IDEALPITCH)
 647                 cl.idealpitch = MSG_ReadChar ();
 648         else
 649                 cl.idealpitch = 0;
 650
 651         VectorCopy (cl.mvelocity[0], cl.mvelocity[1]);
 652         for (i=0 ; i<3 ; i++)
 653         {
 654                 if (bits & (SU_PUNCH1<<i) )
 655                         cl.punchangle[i] = MSG_ReadChar();
 656                 else
 657                         cl.punchangle[i] = 0;
 658                 if (bits & (SU_VELOCITY1<<i) )
 659                         cl.mvelocity[0][i] = MSG_ReadChar()*16;
 660                 else
 661                         cl.mvelocity[0][i] = 0;
 662         }
 663
 664 // [always sent]        if (bits & SU_ITEMS)
 665                 i = MSG_ReadLong ();
 666
 667         if (cl.items != i)
 668         {       // set flash times
 669 //              Sbar_Changed ();
 670                 for (j=0 ; j<32 ; j++)
 671                         if ( (i & (1<<j)) && !(cl.items & (1<<j)))
 672                                 cl.item_gettime[j] = cl.time;
 673                 cl.items = i;
 674         }
 675
 676         cl.onground = (bits & SU_ONGROUND) != 0;
 677         cl.inwater = (bits & SU_INWATER) != 0;
 678
 679         if (bits & SU_WEAPONFRAME)
 680                 cl.stats[STAT_WEAPONFRAME] = MSG_ReadByte ();
 681         else
 682                 cl.stats[STAT_WEAPONFRAME] = 0;
 683
 684         if (bits & SU_ARMOR)
 685                 i = MSG_ReadByte ();
 686         else
 687                 i = 0;
 688         if (cl.stats[STAT_ARMOR] != i)
 689         {
 690                 cl.stats[STAT_ARMOR] = i;
 691 //              Sbar_Changed ();
 692         }
 693
 694         if (bits & SU_WEAPON)
 695                 i = MSG_ReadByte ();
 696         else
 697                 i = 0;
 698         if (cl.stats[STAT_WEAPON] != i)
 699         {
 700                 cl.stats[STAT_WEAPON] = i;
 701 //              Sbar_Changed ();
 702         }
 703
 704         i = MSG_ReadShort ();
 705         if (cl.stats[STAT_HEALTH] != i)
 706         {
 707                 cl.stats[STAT_HEALTH] = i;
 708 //              Sbar_Changed ();
 709         }
 710
 711         i = MSG_ReadByte ();
 712         if (cl.stats[STAT_AMMO] != i)
 713         {
 714                 cl.stats[STAT_AMMO] = i;
 715 //              Sbar_Changed ();
 716         }
 717
 718         for (i=0 ; i<4 ; i++)
 719         {
 720                 j = MSG_ReadByte ();
 721                 if (cl.stats[STAT_SHELLS+i] != j)
 722                 {
 723                         cl.stats[STAT_SHELLS+i] = j;
 724 //                      Sbar_Changed ();
 725                 }
 726         }
 727
 728         i = MSG_ReadByte ();
 729
 730         if (standard_quake)
 731         {
 732                 if (cl.stats[STAT_ACTIVEWEAPON] != i)
 733                 {
 734                         cl.stats[STAT_ACTIVEWEAPON] = i;
 735 //                      Sbar_Changed ();
 736                 }
 737         }
 738         else
 739         {
 740                 if (cl.stats[STAT_ACTIVEWEAPON] != (1<<i))
 741                 {
 742                         cl.stats[STAT_ACTIVEWEAPON] = (1<<i);
 743 //                      Sbar_Changed ();
 744                 }
 745         }
 746 }
 747
 748 /*
 749 =====================
 750 CL_ParseStatic
 751 =====================
 752 */
 753 void CL_ParseStatic (void)
 754 {
 755         entity_t *ent;
 756         int             i;
 757
 758         i = cl.num_statics;
 759         if (i >= MAX_STATIC_ENTITIES)
 760                 Host_Error ("Too many static entities");
 761         ent = &cl_static_entities[i];
 762         cl.num_statics++;
 763         CL_ParseBaseline (ent);
 764
 765 // copy it to the current state
 766         ent->model = cl.model_precache[ent->baseline.modelindex];
 767         ent->frame = ent->baseline.frame;
 768         ent->colormap = -1; // no special coloring
 769         ent->skinnum = ent->baseline.skin;
 770         ent->effects = ent->baseline.effects;
 771         ent->alpha = 1;
 772         ent->scale = 1;
 773         ent->alpha = 1;
 774         ent->glowsize = 0;
 775         ent->glowcolor = 254;
 776         ent->colormod[0] = ent->colormod[1] = ent->colormod[2] = 1;
 777
 778         VectorCopy (ent->baseline.origin, ent->origin);
 779         VectorCopy (ent->baseline.angles, ent->angles);
 780         R_AddEfrags (ent);
 781 }
 782
 783 /*
 784 ===================
 785 CL_ParseStaticSound
 786 ===================
 787 */
 788 void CL_ParseStaticSound (void)
 789 {
 790         vec3_t          org;
 791         int                     sound_num, vol, atten;
 792         int                     i;
 793
 794         for (i=0 ; i<3 ; i++)
 795                 org[i] = MSG_ReadCoord ();
 796         sound_num = MSG_ReadByte ();
 797         vol = MSG_ReadByte ();
 798         atten = MSG_ReadByte ();
 799
 800         S_StaticSound (cl.sound_precache[sound_num], org, vol, atten);
 801 }
 802
 803
 804 #define SHOWNET(x) if(cl_shownet.value==2)Con_Printf ("%3i:%s\n", msg_readcount-1, x);
 805
 806 extern void SHOWLMP_decodehide();
 807 extern void SHOWLMP_decodeshow();
 808 extern void R_SetSkyBox(char* sky);
 809
 810 extern float fog_density;
 811 extern float fog_red;
 812 extern float fog_green;
 813 extern float fog_blue;
 814
 815 /*
 816 =====================
 817 CL_ParseServerMessage
 818 =====================
 819 */
 820 void CL_ParseServerMessage (void)
 821 {
 822         int                     cmd;
 823         int                     i;
 824
 825 //
 826 // if recording demos, copy the message out
 827 //
 828         if (cl_shownet.value == 1)
 829                 Con_Printf ("%i ",net_message.cursize);
 830         else if (cl_shownet.value == 2)
 831                 Con_Printf ("------------------\n");
 832
 833         cl.onground = false;    // unless the server says otherwise
 834 //
 835 // parse the message
 836 //
 837         MSG_BeginReading ();
 838
 839         while (1)
 840         {
 841                 if (msg_badread)
 842                         Host_Error ("CL_ParseServerMessage: Bad server message");
 843
 844                 cmd = MSG_ReadByte ();
 845
 846                 if (cmd == -1)
 847                 {
 848                         SHOWNET("END OF MESSAGE");
 849                         return;         // end of message
 850                 }
 851
 852         // if the high bit of the command byte is set, it is a fast update
 853                 if (cmd & 128)
 854                 {
 855                         SHOWNET("fast update");
 856                         CL_ParseUpdate (cmd&127);
 857                         continue;
 858                 }
 859
 860                 SHOWNET(svc_strings[cmd]);
 861
 862         // other commands
 863                 switch (cmd)
 864                 {
 865                 default:
 866                         Host_Error ("CL_ParseServerMessage: Illegible server message\n");
 867                         break;
 868
 869                 case svc_nop:
 870 //                      Con_Printf ("svc_nop\n");
 871                         break;
 872
 873                 case svc_time:
 874                         cl.mtime[1] = cl.mtime[0];
 875                         cl.mtime[0] = MSG_ReadFloat ();
 876                         break;
 877
 878                 case svc_clientdata:
 879                         i = MSG_ReadShort ();
 880                         CL_ParseClientdata (i);
 881                         break;
 882
 883                 case svc_version:
 884                         i = MSG_ReadLong ();
 885                         if (i != PROTOCOL_VERSION && i != 250)
 886                                 Host_Error ("CL_ParseServerMessage: Server is protocol %i instead of %i\n", i, PROTOCOL_VERSION);
 887                         Nehahrademcompatibility = i == 250;
 888                         break;
 889
 890                 case svc_disconnect:
 891                         Host_EndGame ("Server disconnected\n");
 892
 893                 case svc_print:
 894                         Con_Printf ("%s", MSG_ReadString ());
 895                         break;
 896
 897                 case svc_centerprint:
 898                         SCR_CenterPrint (MSG_ReadString ());
 899                         break;
 900
 901                 case svc_stufftext:
 902                         Cbuf_AddText (MSG_ReadString ());
 903                         break;
 904
 905                 case svc_damage:
 906                         V_ParseDamage ();
 907                         break;
 908
 909                 case svc_serverinfo:
 910                         CL_ParseServerInfo ();
 911                         vid.recalc_refdef = true;       // leave intermission full screen
 912                         break;
 913
 914                 case svc_setangle:
 915                         for (i=0 ; i<3 ; i++)
 916                                 cl.viewangles[i] = MSG_ReadAngle ();
 917                         break;
 918
 919                 case svc_setview:
 920                         cl.viewentity = MSG_ReadShort ();
 921                         break;
 922
 923                 case svc_lightstyle:
 924                         i = MSG_ReadByte ();
 925                         if (i >= MAX_LIGHTSTYLES)
 926                                 Host_Error ("svc_lightstyle > MAX_LIGHTSTYLES");
 927                         strcpy (cl_lightstyle[i].map,  MSG_ReadString());
 928                         cl_lightstyle[i].length = strlen(cl_lightstyle[i].map);
 929                         break;
 930
 931                 case svc_sound:
 932                         CL_ParseStartSoundPacket();
 933                         break;
 934
 935                 case svc_stopsound:
 936                         i = MSG_ReadShort();
 937                         S_StopSound(i>>3, i&7);
 938                         break;
 939
 940                 case svc_updatename:
 941 //                      Sbar_Changed ();
 942                         i = MSG_ReadByte ();
 943                         if (i >= cl.maxclients)
 944                                 Host_Error ("CL_ParseServerMessage: svc_updatename > MAX_SCOREBOARD");
 945                         strcpy (cl.scores[i].name, MSG_ReadString ());
 946                         break;
 947
 948                 case svc_updatefrags:
 949 //                      Sbar_Changed ();
 950                         i = MSG_ReadByte ();
 951                         if (i >= cl.maxclients)
 952                                 Host_Error ("CL_ParseServerMessage: svc_updatefrags > MAX_SCOREBOARD");
 953                         cl.scores[i].frags = MSG_ReadShort ();
 954                         break;
 955
 956                 case svc_updatecolors:
 957 //                      Sbar_Changed ();
 958                         i = MSG_ReadByte ();
 959                         if (i >= cl.maxclients)
 960                                 Host_Error ("CL_ParseServerMessage: svc_updatecolors > MAX_SCOREBOARD");
 961                         cl.scores[i].colors = MSG_ReadByte ();
 962                         break;
 963
 964                 case svc_particle:
 965                         R_ParseParticleEffect ();
 966                         break;
 967
 968                 case svc_spawnbaseline:
 969                         i = MSG_ReadShort ();
 970                         // must use CL_EntityNum() to force cl.num_entities up
 971                         CL_ParseBaseline (CL_EntityNum(i));
 972                         break;
 973                 case svc_spawnstatic:
 974                         CL_ParseStatic ();
 975                         break;
 976                 case svc_temp_entity:
 977                         CL_ParseTEnt ();
 978                         break;
 979
 980                 case svc_setpause:
 981                         {
 982                                 cl.paused = MSG_ReadByte ();
 983
 984                                 if (cl.paused)
 985                                         CDAudio_Pause ();
 986                                 else
 987                                         CDAudio_Resume ();
 988                         }
 989                         break;
 990
 991                 case svc_signonnum:
 992                         i = MSG_ReadByte ();
 993                         if (i <= cls.signon)
 994                                 Host_Error ("Received signon %i when at %i", i, cls.signon);
 995                         cls.signon = i;
 996                         CL_SignonReply ();
 997                         break;
 998
 999                 case svc_killedmonster:
1000                         cl.stats[STAT_MONSTERS]++;
1001                         break;
1002
1003                 case svc_foundsecret:
1004                         cl.stats[STAT_SECRETS]++;
1005                         break;
1006
1007                 case svc_updatestat:
1008                         i = MSG_ReadByte ();
1009                         if (i < 0 || i >= MAX_CL_STATS)
1010                                 Host_Error ("svc_updatestat: %i is invalid", i);
1011                         cl.stats[i] = MSG_ReadLong ();;
1012                         break;
1013
1014                 case svc_spawnstaticsound:
1015                         CL_ParseStaticSound ();
1016                         break;
1017
1018                 case svc_cdtrack:
1019                         cl.cdtrack = MSG_ReadByte ();
1020                         cl.looptrack = MSG_ReadByte ();
1021                         if ( (cls.demoplayback || cls.demorecording) && (cls.forcetrack != -1) )
1022                                 CDAudio_Play ((byte)cls.forcetrack, true);
1023                         else
1024                                 CDAudio_Play ((byte)cl.cdtrack, true);
1025                         break;
1026
1027                 case svc_intermission:
1028                         cl.intermission = 1;
1029                         cl.completed_time = cl.time;
1030                         vid.recalc_refdef = true;       // go to full screen
1031                         break;
1032
1033                 case svc_finale:
1034                         cl.intermission = 2;
1035                         cl.completed_time = cl.time;
1036                         vid.recalc_refdef = true;       // go to full screen
1037                         SCR_CenterPrint (MSG_ReadString ());
1038                         break;
1039
1040                 case svc_cutscene:
1041                         cl.intermission = 3;
1042                         cl.completed_time = cl.time;
1043                         vid.recalc_refdef = true;       // go to full screen
1044                         SCR_CenterPrint (MSG_ReadString ());
1045                         break;
1046
1047                 case svc_sellscreen:
1048                         Cmd_ExecuteString ("help", src_command);
1049                         break;
1050                 case svc_hidelmp:
1051                         SHOWLMP_decodehide();
1052                         break;
1053                 case svc_showlmp:
1054                         SHOWLMP_decodeshow();
1055                         break;
1056         // LordHavoc: extra worldspawn fields (fog, sky, farclip)
1057                 case svc_skybox:
1058                         R_SetSkyBox(MSG_ReadString());
1059                         break;
1060                 case svc_farclip:
1061                         r_farclip.value = MSG_ReadCoord();
1062                         break;
1063                 case svc_fog:
1064                         if (MSG_ReadByte())
1065                         {
1066                                 fog_density = MSG_ReadShort() * (1.0f / 4096.0f);
1067                                 fog_red = MSG_ReadByte() * (1.0 / 255.0);
1068                                 fog_green = MSG_ReadByte() * (1.0 / 255.0);
1069                                 fog_blue = MSG_ReadByte() * (1.0 / 255.0);
1070                         }
1071                         else
1072                                 fog_density = 0.0f;
1073                         break;
1074                 }
1075         }
1076 }
1077