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 void CL_ParseUpdate (int bits)
 457 {
 458         int                     i, modnum, num, alpha, scale, glowsize, glowcolor, colormod;
 459         model_t         *model;
 460         qboolean        forcelink;
 461         entity_t        *ent;
 462         entity_state_t *baseline;
 463
 464         if (cls.signon == SIGNONS - 1)
 465         {       // first update is the final signon stage
 466                 cls.signon = SIGNONS;
 467                 CL_SignonReply ();
 468         }
 469
 470         if (bits & U_MOREBITS)
 471                 bits |= (MSG_ReadByte()<<8);
 472         if (bits & U_EXTEND1 && !Nehahrademcompatibility)
 473         {
 474                 bits |= MSG_ReadByte() << 16;
 475                 if (bits & U_EXTEND2)
 476                         bits |= MSG_ReadByte() << 24;
 477         }
 478
 479         if (bits & U_LONGENTITY)
 480                 num = MSG_ReadShort ();
 481         else
 482                 num = MSG_ReadByte ();
 483
 484         ent = CL_EntityNum (num);
 485
 486         forcelink = ent->msgtime != cl.mtime[1]; // no previous frame to lerp from
 487
 488         ent->msgtime = cl.mtime[0];
 489
 490         // LordHavoc: new protocol stuff
 491         baseline = &ent->baseline;
 492         if (bits & U_DELTA)
 493                 baseline = &ent->deltabaseline;
 494
 495         if (forcelink)
 496         {
 497                 ent->deltabaseline.origin[0] = ent->deltabaseline.origin[1] = ent->deltabaseline.origin[2] = 0;
 498                 ent->deltabaseline.angles[0] = ent->deltabaseline.angles[1] = ent->deltabaseline.angles[2] = 0;
 499                 ent->deltabaseline.effects = 0;
 500                 ent->deltabaseline.modelindex = 0;
 501                 ent->deltabaseline.frame = 0;
 502                 ent->deltabaseline.colormap = 0;
 503                 ent->deltabaseline.skin = 0;
 504                 ent->deltabaseline.alpha = 255;
 505                 ent->deltabaseline.scale = 16;
 506                 ent->deltabaseline.glowsize = 0;
 507                 ent->deltabaseline.glowcolor = 254;
 508                 ent->deltabaseline.colormod = 255;
 509         }
 510
 511         modnum = bits & U_MODEL ? MSG_ReadByte() : baseline->modelindex;
 512         if (modnum >= MAX_MODELS)
 513                 Host_Error ("CL_ParseModel: bad modnum");
 514         ent->deltabaseline.modelindex = modnum;
 515
 516         model = cl.model_precache[modnum];
 517         if (model != ent->model)
 518         {
 519                 ent->model = model;
 520         // automatic animation (torches, etc) can be either all together
 521         // or randomized
 522                 if (model)
 523                         ent->syncbase = model->synctype == ST_RAND ? (float)(rand()&0x7fff) / 0x7fff : 0.0;
 524                 else
 525                         forcelink = true;       // hack to make null model players work
 526         }
 527
 528         ent->frame = ((bits & U_FRAME) ? MSG_ReadByte() : (baseline->frame & 0xFF));
 529
 530         i = bits & U_COLORMAP ? MSG_ReadByte() : baseline->colormap;
 531         ent->deltabaseline.colormap = i;
 532         if (!i)
 533                 ent->colormap = -1; // no special coloring
 534         else
 535         {
 536                 if (i > cl.maxclients)
 537                         Host_Error ("i >= cl.maxclients");
 538                 ent->colormap = cl.scores[i-1].colors; // color it
 539         }
 540
 541         ent->deltabaseline.skin = ent->skinnum = bits & U_SKIN ? MSG_ReadByte() : baseline->skin;
 542
 543         ent->effects = ((bits & U_EFFECTS) ? MSG_ReadByte() : (baseline->effects & 0xFF));
 544
 545 // shift the known values for interpolation
 546         VectorCopy (ent->msg_origins[0], ent->msg_origins[1]);
 547         VectorCopy (ent->msg_angles[0], ent->msg_angles[1]);
 548         VectorCopy (baseline->origin, ent->msg_origins[0]);
 549         VectorCopy (baseline->angles, ent->msg_angles[0]);
 550
 551         if (bits & U_ORIGIN1) ent->msg_origins[0][0] = MSG_ReadCoord ();
 552         if (bits & U_ANGLE1) ent->msg_angles[0][0] = MSG_ReadAngle();
 553         if (bits & U_ORIGIN2) ent->msg_origins[0][1] = MSG_ReadCoord ();
 554         if (bits & U_ANGLE2) ent->msg_angles[0][1] = MSG_ReadAngle();
 555         if (bits & U_ORIGIN3) ent->msg_origins[0][2] = MSG_ReadCoord ();
 556         if (bits & U_ANGLE3) ent->msg_angles[0][2] = MSG_ReadAngle();
 557
 558         VectorCopy(ent->msg_origins[0], ent->deltabaseline.origin);
 559         VectorCopy(ent->msg_angles[0], ent->deltabaseline.angles);
 560
 561         alpha = bits & U_ALPHA ? MSG_ReadByte() : baseline->alpha;
 562         scale = bits & U_SCALE ? MSG_ReadByte() : baseline->scale;
 563         ent->effects |= ((bits & U_EFFECTS2) ? (MSG_ReadByte() << 8) : (baseline->effects & 0xFF00));
 564         glowsize = bits & U_GLOWSIZE ? MSG_ReadByte() : baseline->glowsize;
 565         glowcolor = bits & U_GLOWCOLOR ? MSG_ReadByte() : baseline->glowcolor;
 566         colormod = bits & U_COLORMOD ? MSG_ReadByte() : baseline->colormod;
 567         ent->frame |= ((bits & U_FRAME2) ? (MSG_ReadByte() << 8) : (baseline->frame & 0xFF00));
 568         ent->deltabaseline.alpha = alpha;
 569         ent->deltabaseline.scale = scale;
 570         ent->deltabaseline.effects = ent->effects;
 571         ent->deltabaseline.glowsize = glowsize;
 572         ent->deltabaseline.glowcolor = glowcolor;
 573         ent->deltabaseline.colormod = colormod;
 574         ent->deltabaseline.frame = ent->frame;
 575         ent->alpha = (float) alpha * (1.0 / 255.0);
 576         ent->scale = (float) scale * (1.0 / 16.0);
 577         ent->glowsize = glowsize * 4.0;
 578         ent->glowcolor = glowcolor;
 579         ent->colormod[0] = (float) ((colormod >> 5) & 7) * (1.0 / 7.0);
 580         ent->colormod[1] = (float) ((colormod >> 2) & 7) * (1.0 / 7.0);
 581         ent->colormod[2] = (float) (colormod & 3) * (1.0 / 3.0);
 582         if (bits & U_EXTEND1 && Nehahrademcompatibility) // LordHavoc: to allow playback of the early Nehahra movie segments
 583         {
 584                 i = MSG_ReadFloat();
 585                 ent->alpha = MSG_ReadFloat();
 586                 if (i == 2 && MSG_ReadFloat() != 0.0)
 587                         ent->effects |= EF_FULLBRIGHT;
 588                 if (ent->alpha == 0)
 589                         ent->alpha = 1;
 590         }
 591
 592         //if ( bits & U_NOLERP )
 593         //      ent->forcelink = true;
 594         //if (bits & U_STEP) // FIXME: implement clientside interpolation of monsters
 595
 596         if ( forcelink )
 597         {       // didn't have an update last message
 598                 VectorCopy (ent->msg_origins[0], ent->msg_origins[1]);
 599                 VectorCopy (ent->msg_origins[0], ent->origin);
 600                 VectorCopy (ent->msg_angles[0], ent->msg_angles[1]);
 601                 VectorCopy (ent->msg_angles[0], ent->angles);
 602                 ent->forcelink = true;
 603         }
 604 }
 605
 606 /*
 607 ==================
 608 CL_ParseBaseline
 609 ==================
 610 */
 611 void CL_ParseBaseline (entity_t *ent)
 612 {
 613         int                     i;
 614
 615         ent->baseline.modelindex = MSG_ReadByte ();
 616         ent->baseline.frame = MSG_ReadByte ();
 617         ent->baseline.colormap = MSG_ReadByte();
 618         ent->baseline.skin = MSG_ReadByte();
 619         for (i=0 ; i<3 ; i++)
 620         {
 621                 ent->baseline.origin[i] = MSG_ReadCoord ();
 622                 ent->baseline.angles[i] = MSG_ReadAngle ();
 623         }
 624         ent->baseline.alpha = 255;
 625         ent->baseline.scale = 16;
 626         ent->baseline.glowsize = 0;
 627         ent->baseline.glowcolor = 254;
 628         ent->baseline.colormod = 255;
 629 }
 630
 631
 632 /*
 633 ==================
 634 CL_ParseClientdata
 635
 636 Server information pertaining to this client only
 637 ==================
 638 */
 639 void CL_ParseClientdata (int bits)
 640 {
 641         int             i, j;
 642
 643         if (bits & SU_VIEWHEIGHT)
 644                 cl.viewheight = MSG_ReadChar ();
 645         else
 646                 cl.viewheight = DEFAULT_VIEWHEIGHT;
 647
 648         if (bits & SU_IDEALPITCH)
 649                 cl.idealpitch = MSG_ReadChar ();
 650         else
 651                 cl.idealpitch = 0;
 652
 653         VectorCopy (cl.mvelocity[0], cl.mvelocity[1]);
 654         for (i=0 ; i<3 ; i++)
 655         {
 656                 if (bits & (SU_PUNCH1<<i) )
 657                         cl.punchangle[i] = MSG_ReadChar();
 658                 else
 659                         cl.punchangle[i] = 0;
 660                 if (bits & (SU_VELOCITY1<<i) )
 661                         cl.mvelocity[0][i] = MSG_ReadChar()*16;
 662                 else
 663                         cl.mvelocity[0][i] = 0;
 664         }
 665
 666         i = MSG_ReadLong ();
 667         if (cl.items != i)
 668         {       // set flash times
 669                 for (j=0 ; j<32 ; j++)
 670                         if ( (i & (1<<j)) && !(cl.items & (1<<j)))
 671                                 cl.item_gettime[j] = cl.time;
 672                 cl.items = i;
 673         }
 674
 675         cl.onground = (bits & SU_ONGROUND) != 0;
 676         cl.inwater = (bits & SU_INWATER) != 0;
 677
 678         cl.stats[STAT_WEAPONFRAME] = (bits & SU_WEAPONFRAME) ? MSG_ReadByte() : 0;
 679         cl.stats[STAT_ARMOR] = (bits & SU_ARMOR) ? MSG_ReadByte() : 0;
 680         cl.stats[STAT_WEAPON] = (bits & SU_WEAPON) ? MSG_ReadByte() : 0;
 681         cl.stats[STAT_HEALTH] = MSG_ReadShort();
 682         cl.stats[STAT_AMMO] = MSG_ReadByte();
 683
 684         cl.stats[STAT_SHELLS] = MSG_ReadByte();
 685         cl.stats[STAT_NAILS] = MSG_ReadByte();
 686         cl.stats[STAT_ROCKETS] = MSG_ReadByte();
 687         cl.stats[STAT_CELLS] = MSG_ReadByte();
 688
 689         i = MSG_ReadByte ();
 690
 691         if (standard_quake)
 692                 cl.stats[STAT_ACTIVEWEAPON] = i;
 693         else
 694                 cl.stats[STAT_ACTIVEWEAPON] = (1<<i);
 695 }
 696
 697 /*
 698 =====================
 699 CL_ParseStatic
 700 =====================
 701 */
 702 void CL_ParseStatic (void)
 703 {
 704         entity_t *ent;
 705         int             i;
 706
 707         i = cl.num_statics;
 708         if (i >= MAX_STATIC_ENTITIES)
 709                 Host_Error ("Too many static entities");
 710         ent = &cl_static_entities[i];
 711         cl.num_statics++;
 712         CL_ParseBaseline (ent);
 713
 714 // copy it to the current state
 715         ent->model = cl.model_precache[ent->baseline.modelindex];
 716         ent->frame = ent->baseline.frame;
 717         ent->colormap = -1; // no special coloring
 718         ent->skinnum = ent->baseline.skin;
 719         ent->effects = ent->baseline.effects;
 720         ent->alpha = 1;
 721         ent->scale = 1;
 722         ent->alpha = 1;
 723         ent->glowsize = 0;
 724         ent->glowcolor = 254;
 725         ent->colormod[0] = ent->colormod[1] = ent->colormod[2] = 1;
 726
 727         VectorCopy (ent->baseline.origin, ent->origin);
 728         VectorCopy (ent->baseline.angles, ent->angles);
 729         R_AddEfrags (ent);
 730 }
 731
 732 /*
 733 ===================
 734 CL_ParseStaticSound
 735 ===================
 736 */
 737 void CL_ParseStaticSound (void)
 738 {
 739         vec3_t          org;
 740         int                     sound_num, vol, atten;
 741         int                     i;
 742
 743         for (i=0 ; i<3 ; i++)
 744                 org[i] = MSG_ReadCoord ();
 745         sound_num = MSG_ReadByte ();
 746         vol = MSG_ReadByte ();
 747         atten = MSG_ReadByte ();
 748
 749         S_StaticSound (cl.sound_precache[sound_num], org, vol, atten);
 750 }
 751
 752
 753 #define SHOWNET(x) if(cl_shownet.value==2)Con_Printf ("%3i:%s\n", msg_readcount-1, x);
 754
 755 extern void SHOWLMP_decodehide();
 756 extern void SHOWLMP_decodeshow();
 757 extern void R_SetSkyBox(char* sky);
 758
 759 extern float fog_density;
 760 extern float fog_red;
 761 extern float fog_green;
 762 extern float fog_blue;
 763
 764 /*
 765 =====================
 766 CL_ParseServerMessage
 767 =====================
 768 */
 769 void CL_ParseServerMessage (void)
 770 {
 771         int                     cmd;
 772         int                     i;
 773
 774 //
 775 // if recording demos, copy the message out
 776 //
 777         if (cl_shownet.value == 1)
 778                 Con_Printf ("%i ",net_message.cursize);
 779         else if (cl_shownet.value == 2)
 780                 Con_Printf ("------------------\n");
 781
 782         cl.onground = false;    // unless the server says otherwise
 783 //
 784 // parse the message
 785 //
 786         MSG_BeginReading ();
 787
 788         while (1)
 789         {
 790                 if (msg_badread)
 791                         Host_Error ("CL_ParseServerMessage: Bad server message");
 792
 793                 cmd = MSG_ReadByte ();
 794
 795                 if (cmd == -1)
 796                 {
 797                         SHOWNET("END OF MESSAGE");
 798                         return;         // end of message
 799                 }
 800
 801         // if the high bit of the command byte is set, it is a fast update
 802                 if (cmd & 128)
 803                 {
 804                         SHOWNET("fast update");
 805                         CL_ParseUpdate (cmd&127);
 806                         continue;
 807                 }
 808
 809                 SHOWNET(svc_strings[cmd]);
 810
 811         // other commands
 812                 switch (cmd)
 813                 {
 814                 default:
 815                         Host_Error ("CL_ParseServerMessage: Illegible server message\n");
 816                         break;
 817
 818                 case svc_nop:
 819 //                      Con_Printf ("svc_nop\n");
 820                         break;
 821
 822                 case svc_time:
 823                         cl.mtime[1] = cl.mtime[0];
 824                         cl.mtime[0] = MSG_ReadFloat ();
 825                         break;
 826
 827                 case svc_clientdata:
 828                         i = MSG_ReadShort ();
 829                         CL_ParseClientdata (i);
 830                         break;
 831
 832                 case svc_version:
 833                         i = MSG_ReadLong ();
 834                         if (i != PROTOCOL_VERSION && i != 250)
 835                                 Host_Error ("CL_ParseServerMessage: Server is protocol %i instead of %i\n", i, PROTOCOL_VERSION);
 836                         Nehahrademcompatibility = i == 250;
 837                         break;
 838
 839                 case svc_disconnect:
 840                         Host_EndGame ("Server disconnected\n");
 841
 842                 case svc_print:
 843                         Con_Printf ("%s", MSG_ReadString ());
 844                         break;
 845
 846                 case svc_centerprint:
 847                         SCR_CenterPrint (MSG_ReadString ());
 848                         break;
 849
 850                 case svc_stufftext:
 851                         Cbuf_AddText (MSG_ReadString ());
 852                         break;
 853
 854                 case svc_damage:
 855                         V_ParseDamage ();
 856                         break;
 857
 858                 case svc_serverinfo:
 859                         CL_ParseServerInfo ();
 860                         vid.recalc_refdef = true;       // leave intermission full screen
 861                         break;
 862
 863                 case svc_setangle:
 864                         for (i=0 ; i<3 ; i++)
 865                                 cl.viewangles[i] = MSG_ReadAngle ();
 866                         break;
 867
 868                 case svc_setview:
 869                         cl.viewentity = MSG_ReadShort ();
 870                         break;
 871
 872                 case svc_lightstyle:
 873                         i = MSG_ReadByte ();
 874                         if (i >= MAX_LIGHTSTYLES)
 875                                 Host_Error ("svc_lightstyle > MAX_LIGHTSTYLES");
 876                         strcpy (cl_lightstyle[i].map,  MSG_ReadString());
 877                         cl_lightstyle[i].length = strlen(cl_lightstyle[i].map);
 878                         break;
 879
 880                 case svc_sound:
 881                         CL_ParseStartSoundPacket();
 882                         break;
 883
 884                 case svc_stopsound:
 885                         i = MSG_ReadShort();
 886                         S_StopSound(i>>3, i&7);
 887                         break;
 888
 889                 case svc_updatename:
 890                         i = MSG_ReadByte ();
 891                         if (i >= cl.maxclients)
 892                                 Host_Error ("CL_ParseServerMessage: svc_updatename > MAX_SCOREBOARD");
 893                         strcpy (cl.scores[i].name, MSG_ReadString ());
 894                         break;
 895
 896                 case svc_updatefrags:
 897                         i = MSG_ReadByte ();
 898                         if (i >= cl.maxclients)
 899                                 Host_Error ("CL_ParseServerMessage: svc_updatefrags > MAX_SCOREBOARD");
 900                         cl.scores[i].frags = MSG_ReadShort ();
 901                         break;
 902
 903                 case svc_updatecolors:
 904                         i = MSG_ReadByte ();
 905                         if (i >= cl.maxclients)
 906                                 Host_Error ("CL_ParseServerMessage: svc_updatecolors > MAX_SCOREBOARD");
 907                         cl.scores[i].colors = MSG_ReadByte ();
 908                         break;
 909
 910                 case svc_particle:
 911                         R_ParseParticleEffect ();
 912                         break;
 913
 914                 case svc_spawnbaseline:
 915                         i = MSG_ReadShort ();
 916                         // must use CL_EntityNum() to force cl.num_entities up
 917                         CL_ParseBaseline (CL_EntityNum(i));
 918                         break;
 919                 case svc_spawnstatic:
 920                         CL_ParseStatic ();
 921                         break;
 922                 case svc_temp_entity:
 923                         CL_ParseTEnt ();
 924                         break;
 925
 926                 case svc_setpause:
 927                         {
 928                                 cl.paused = MSG_ReadByte ();
 929
 930                                 if (cl.paused)
 931                                         CDAudio_Pause ();
 932                                 else
 933                                         CDAudio_Resume ();
 934                         }
 935                         break;
 936
 937                 case svc_signonnum:
 938                         i = MSG_ReadByte ();
 939                         if (i <= cls.signon)
 940                                 Host_Error ("Received signon %i when at %i", i, cls.signon);
 941                         cls.signon = i;
 942                         CL_SignonReply ();
 943                         break;
 944
 945                 case svc_killedmonster:
 946                         cl.stats[STAT_MONSTERS]++;
 947                         break;
 948
 949                 case svc_foundsecret:
 950                         cl.stats[STAT_SECRETS]++;
 951                         break;
 952
 953                 case svc_updatestat:
 954                         i = MSG_ReadByte ();
 955                         if (i < 0 || i >= MAX_CL_STATS)
 956                                 Host_Error ("svc_updatestat: %i is invalid", i);
 957                         cl.stats[i] = MSG_ReadLong ();;
 958                         break;
 959
 960                 case svc_spawnstaticsound:
 961                         CL_ParseStaticSound ();
 962                         break;
 963
 964                 case svc_cdtrack:
 965                         cl.cdtrack = MSG_ReadByte ();
 966                         cl.looptrack = MSG_ReadByte ();
 967                         if ( (cls.demoplayback || cls.demorecording) && (cls.forcetrack != -1) )
 968                                 CDAudio_Play ((byte)cls.forcetrack, true);
 969                         else
 970                                 CDAudio_Play ((byte)cl.cdtrack, true);
 971                         break;
 972
 973                 case svc_intermission:
 974                         cl.intermission = 1;
 975                         cl.completed_time = cl.time;
 976                         vid.recalc_refdef = true;       // go to full screen
 977                         break;
 978
 979                 case svc_finale:
 980                         cl.intermission = 2;
 981                         cl.completed_time = cl.time;
 982                         vid.recalc_refdef = true;       // go to full screen
 983                         SCR_CenterPrint (MSG_ReadString ());
 984                         break;
 985
 986                 case svc_cutscene:
 987                         cl.intermission = 3;
 988                         cl.completed_time = cl.time;
 989                         vid.recalc_refdef = true;       // go to full screen
 990                         SCR_CenterPrint (MSG_ReadString ());
 991                         break;
 992
 993                 case svc_sellscreen:
 994                         Cmd_ExecuteString ("help", src_command);
 995                         break;
 996                 case svc_hidelmp:
 997                         SHOWLMP_decodehide();
 998                         break;
 999                 case svc_showlmp:
1000                         SHOWLMP_decodeshow();
1001                         break;
1002         // LordHavoc: extra worldspawn fields (fog, sky, farclip)
1003                 case svc_skybox:
1004                         R_SetSkyBox(MSG_ReadString());
1005                         break;
1006                 case svc_farclip:
1007                         r_farclip.value = MSG_ReadCoord();
1008                         break;
1009                 case svc_fog:
1010                         if (MSG_ReadByte())
1011                         {
1012                                 fog_density = MSG_ReadShort() * (1.0f / 4096.0f);
1013                                 fog_red = MSG_ReadByte() * (1.0 / 255.0);
1014                                 fog_green = MSG_ReadByte() * (1.0 / 255.0);
1015                                 fog_blue = MSG_ReadByte() * (1.0 / 255.0);
1016                         }
1017                         else
1018                                 fog_density = 0.0f;
1019                         break;
1020                 }
1021         }
1022 }
1023