cl_main.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_main.c  -- client main loop
  21
  22 #include "quakedef.h"
  23
  24 // we need to declare some mouse variables here, because the menu system
  25 // references them even when on a unix system.
  26
  27 // these two are not intended to be set directly
  28 cvar_t  cl_name = {CVAR_SAVE, "_cl_name", "player"};
  29 cvar_t  cl_color = {CVAR_SAVE, "_cl_color", "0"};
  30 cvar_t  cl_pmodel = {CVAR_SAVE, "_cl_pmodel", "0"};
  31
  32 cvar_t  cl_shownet = {0, "cl_shownet","0"};
  33 cvar_t  cl_nolerp = {0, "cl_nolerp", "0"};
  34
  35 cvar_t  lookspring = {CVAR_SAVE, "lookspring","0"};
  36 cvar_t  lookstrafe = {CVAR_SAVE, "lookstrafe","0"};
  37 cvar_t  sensitivity = {CVAR_SAVE, "sensitivity","3", 1, 30};
  38
  39 cvar_t  m_pitch = {CVAR_SAVE, "m_pitch","0.022"};
  40 cvar_t  m_yaw = {CVAR_SAVE, "m_yaw","0.022"};
  41 cvar_t  m_forward = {CVAR_SAVE, "m_forward","1"};
  42 cvar_t  m_side = {CVAR_SAVE, "m_side","0.8"};
  43
  44 cvar_t freelook = {CVAR_SAVE, "freelook", "1"};
  45
  46 client_static_t cls;
  47 client_state_t  cl;
  48 // FIXME: put these on hunk?
  49 entity_t                cl_entities[MAX_EDICTS];
  50 entity_t                cl_static_entities[MAX_STATIC_ENTITIES];
  51 lightstyle_t    cl_lightstyle[MAX_LIGHTSTYLES];
  52 dlight_t                cl_dlights[MAX_DLIGHTS];
  53
  54 int                             cl_numvisedicts;
  55 entity_t                *cl_visedicts[MAX_VISEDICTS];
  56
  57 /*
  58 =====================
  59 CL_ClearState
  60
  61 =====================
  62 */
  63 void CL_ClearState (void)
  64 {
  65         int                     i;
  66
  67         if (!sv.active)
  68                 Host_ClearMemory ();
  69
  70 // wipe the entire cl structure
  71         memset (&cl, 0, sizeof(cl));
  72
  73         SZ_Clear (&cls.message);
  74
  75 // clear other arrays
  76         memset (cl_entities, 0, sizeof(cl_entities));
  77         memset (cl_dlights, 0, sizeof(cl_dlights));
  78         memset (cl_lightstyle, 0, sizeof(cl_lightstyle));
  79         memset (cl_temp_entities, 0, sizeof(cl_temp_entities));
  80         memset (cl_beams, 0, sizeof(cl_beams));
  81         // LordHavoc: have to set up the baseline info for alpha and other stuff
  82         for (i = 0;i < MAX_EDICTS;i++)
  83         {
  84                 ClearStateToDefault(&cl_entities[i].state_baseline);
  85                 ClearStateToDefault(&cl_entities[i].state_previous);
  86                 ClearStateToDefault(&cl_entities[i].state_current);
  87         }
  88 }
  89
  90 /*
  91 =====================
  92 CL_Disconnect
  93
  94 Sends a disconnect message to the server
  95 This is also called on Host_Error, so it shouldn't cause any errors
  96 =====================
  97 */
  98 void CL_Disconnect (void)
  99 {
 100 // stop sounds (especially looping!)
 101         S_StopAllSounds (true);
 102
 103         // clear contents blends
 104         cl.cshifts[0].percent = 0;
 105         cl.cshifts[1].percent = 0;
 106         cl.cshifts[2].percent = 0;
 107         cl.cshifts[3].percent = 0;
 108
 109 // if running a local server, shut it down
 110         if (cls.demoplayback)
 111                 CL_StopPlayback ();
 112         else if (cls.state == ca_connected)
 113         {
 114                 if (cls.demorecording)
 115                         CL_Stop_f ();
 116
 117                 Con_DPrintf ("Sending clc_disconnect\n");
 118                 SZ_Clear (&cls.message);
 119                 MSG_WriteByte (&cls.message, clc_disconnect);
 120                 NET_SendUnreliableMessage (cls.netcon, &cls.message);
 121                 SZ_Clear (&cls.message);
 122                 NET_Close (cls.netcon);
 123
 124                 cls.state = ca_disconnected;
 125                 if (sv.active)
 126                         Host_ShutdownServer(false);
 127         }
 128
 129         cls.demoplayback = cls.timedemo = false;
 130         cls.signon = 0;
 131 }
 132
 133 void CL_Disconnect_f (void)
 134 {
 135         CL_Disconnect ();
 136         if (sv.active)
 137                 Host_ShutdownServer (false);
 138 }
 139
 140
 141
 142
 143 /*
 144 =====================
 145 CL_EstablishConnection
 146
 147 Host should be either "local" or a net address to be passed on
 148 =====================
 149 */
 150 void CL_EstablishConnection (char *host)
 151 {
 152         if (cls.state == ca_dedicated)
 153                 return;
 154
 155         if (cls.demoplayback)
 156                 return;
 157
 158         CL_Disconnect ();
 159
 160         cls.netcon = NET_Connect (host);
 161         if (!cls.netcon)
 162                 Host_Error ("CL_Connect: connect failed\n");
 163         Con_DPrintf ("CL_EstablishConnection: connected to %s\n", host);
 164
 165         cls.demonum = -1;                       // not in the demo loop now
 166         cls.state = ca_connected;
 167         cls.signon = 0;                         // need all the signon messages before playing
 168 }
 169
 170 /*
 171 =====================
 172 CL_SignonReply
 173
 174 An svc_signonnum has been received, perform a client side setup
 175 =====================
 176 */
 177 void CL_SignonReply (void)
 178 {
 179         char    str[8192];
 180
 181 Con_DPrintf ("CL_SignonReply: %i\n", cls.signon);
 182
 183         switch (cls.signon)
 184         {
 185         case 1:
 186                 MSG_WriteByte (&cls.message, clc_stringcmd);
 187                 MSG_WriteString (&cls.message, "prespawn");
 188                 break;
 189
 190         case 2:
 191                 MSG_WriteByte (&cls.message, clc_stringcmd);
 192                 MSG_WriteString (&cls.message, va("name \"%s\"\n", cl_name.string));
 193
 194                 MSG_WriteByte (&cls.message, clc_stringcmd);
 195                 MSG_WriteString (&cls.message, va("color %i %i\n", ((int)cl_color.value)>>4, ((int)cl_color.value)&15));
 196
 197                 if (cl_pmodel.value)
 198                 {
 199                         MSG_WriteByte (&cls.message, clc_stringcmd);
 200                         MSG_WriteString (&cls.message, va("pmodel %f\n", cl_pmodel.value));
 201                 }
 202
 203                 MSG_WriteByte (&cls.message, clc_stringcmd);
 204                 sprintf (str, "spawn %s", cls.spawnparms);
 205                 MSG_WriteString (&cls.message, str);
 206                 break;
 207
 208         case 3:
 209                 MSG_WriteByte (&cls.message, clc_stringcmd);
 210                 MSG_WriteString (&cls.message, "begin");
 211                 Cache_Report ();                // print remaining memory
 212                 break;
 213
 214         case 4:
 215 //              SCR_EndLoadingPlaque ();                // allow normal screen updates
 216                 Con_ClearNotify();
 217                 break;
 218         }
 219 }
 220
 221 /*
 222 =====================
 223 CL_NextDemo
 224
 225 Called to play the next demo in the demo loop
 226 =====================
 227 */
 228 void CL_NextDemo (void)
 229 {
 230         char    str[1024];
 231
 232         if (cls.demonum == -1)
 233                 return;         // don't play demos
 234
 235 //      SCR_BeginLoadingPlaque ();
 236
 237         if (!cls.demos[cls.demonum][0] || cls.demonum == MAX_DEMOS)
 238         {
 239                 cls.demonum = 0;
 240                 if (!cls.demos[cls.demonum][0])
 241                 {
 242                         Con_Printf ("No demos listed with startdemos\n");
 243                         cls.demonum = -1;
 244                         return;
 245                 }
 246         }
 247
 248         sprintf (str,"playdemo %s\n", cls.demos[cls.demonum]);
 249         Cbuf_InsertText (str);
 250         cls.demonum++;
 251 }
 252
 253 /*
 254 ==============
 255 CL_PrintEntities_f
 256 ==============
 257 */
 258 void CL_PrintEntities_f (void)
 259 {
 260         entity_t        *ent;
 261         int                     i, j;
 262         char            name[32];
 263
 264         for (i = 0, ent = cl_entities;i < MAX_EDICTS /*cl.num_entities*/;i++, ent++)
 265         {
 266                 if (!ent->state_current.active)
 267                         continue;
 268                 if (!ent->render.model)
 269                         continue;
 270
 271                 Con_Printf ("%3i:", i);
 272                 if (!ent->render.model)
 273                 {
 274                         Con_Printf ("EMPTY\n");
 275                         continue;
 276                 }
 277                 strncpy(name, ent->render.model->name, 30);
 278                 name[30] = 0;
 279                 for (j = strlen(name);j < 30;j++)
 280                         name[j] = ' ';
 281                 Con_Printf ("%s:%04i (%5i %5i %5i) [%3i %3i %3i]\n", name, ent->render.frame, (int) ent->render.origin[0], (int) ent->render.origin[1], (int) ent->render.origin[2], (int) ent->render.angles[0] % 360, (int) ent->render.angles[1] % 360, (int) ent->render.angles[2] % 360);
 282         }
 283 }
 284
 285
 286 /*
 287 ===============
 288 CL_AllocDlight
 289
 290 ===============
 291 */
 292 void CL_AllocDlight (entity_t *ent, vec3_t org, float radius, float red, float green, float blue, float decay, float lifetime)
 293 {
 294         int             i;
 295         dlight_t        *dl;
 296
 297 // first look for an exact key match
 298         if (ent)
 299         {
 300                 dl = cl_dlights;
 301                 for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 302                         if (dl->ent == ent)
 303                                 goto dlightsetup;
 304         }
 305
 306 // then look for anything else
 307         dl = cl_dlights;
 308         for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 309                 if (!dl->radius)
 310                         goto dlightsetup;
 311
 312         // unable to find one
 313         return;
 314
 315 dlightsetup:
 316         memset (dl, 0, sizeof(*dl));
 317         dl->ent = ent;
 318         VectorCopy(org, dl->origin);
 319         dl->radius = radius;
 320         dl->color[0] = red;
 321         dl->color[1] = green;
 322         dl->color[2] = blue;
 323         dl->decay = decay;
 324         dl->die = cl.time + lifetime;
 325 }
 326
 327
 328 /*
 329 ===============
 330 CL_DecayLights
 331
 332 ===============
 333 */
 334 void CL_DecayLights (void)
 335 {
 336         int                     i;
 337         dlight_t        *dl;
 338         float           time;
 339
 340         time = cl.time - cl.oldtime;
 341
 342         c_dlights = 0;
 343         dl = cl_dlights;
 344         for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
 345         {
 346                 if (!dl->radius)
 347                         continue;
 348                 if (dl->die < cl.time)
 349                 {
 350                         dl->radius = 0;
 351                         continue;
 352                 }
 353
 354                 c_dlights++; // count every dlight in use
 355
 356                 dl->radius -= time*dl->decay;
 357                 if (dl->radius < 0)
 358                         dl->radius = 0;
 359         }
 360 }
 361
 362
 363 /*
 364 ===============
 365 CL_LerpPoint
 366
 367 Determines the fraction between the last two messages that the objects
 368 should be put at.
 369 ===============
 370 */
 371 float   CL_LerpPoint (void)
 372 {
 373         float   f, frac;
 374
 375         f = cl.mtime[0] - cl.mtime[1];
 376
 377         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 378         if (!f || cl_nolerp.value || cls.timedemo || (sv.active && svs.maxclients == 1))
 379         {
 380                 cl.time = cl.mtime[0];
 381                 return 1;
 382         }
 383
 384         if (f > 0.1)
 385         {       // dropped packet, or start of demo
 386                 cl.mtime[1] = cl.mtime[0] - 0.1;
 387                 f = 0.1;
 388         }
 389         frac = (cl.time - cl.mtime[1]) / f;
 390 //      Con_Printf ("frac: %f\n",frac);
 391         if (frac < 0)
 392         {
 393                 if (frac < -0.01)
 394                 {
 395                         cl.time = cl.mtime[1];
 396 //                      Con_Printf ("low frac\n");
 397                 }
 398                 frac = 0;
 399         }
 400         else if (frac > 1)
 401         {
 402                 if (frac > 1.01)
 403                 {
 404                         cl.time = cl.mtime[0];
 405 //                      Con_Printf ("high frac\n");
 406                 }
 407                 frac = 1;
 408         }
 409
 410         return frac;
 411 }
 412
 413 float CL_EntityLerpPoint (entity_t *ent)
 414 {
 415         float   f;
 416
 417         if (cl_nolerp.value || cls.timedemo || (sv.active && svs.maxclients == 1))
 418                 return 1;
 419
 420         f = ent->state_current.time - ent->state_previous.time;
 421 //      Con_Printf(" %g-%g=%g", ent->state_current.time, ent->state_previous.time, f);
 422
 423         if (f <= 0)
 424                 return 1;
 425         if (f >= 0.1)
 426                 f = 0.1;
 427
 428 //      Con_Printf(" %g-%g/%g=%f", cl.time, ent->state_previous.time, f, (cl.time - ent->state_previous.time) / f);
 429         f = (cl.time - ent->state_previous.time) / f;
 430         return bound(0, f, 1);
 431 }
 432
 433 void CL_RelinkStaticEntities(void)
 434 {
 435         entity_t *ent, *endent;
 436         if (cl.num_statics > MAX_VISEDICTS)
 437                 Host_Error("CL_RelinkStaticEntities: cl.num_statics > MAX_VISEDICTS??\n");
 438
 439         ent = cl_static_entities;
 440         endent = ent + cl.num_statics;
 441         for (;ent < endent;ent++)
 442                 cl_visedicts[cl_numvisedicts++] = ent;
 443 }
 444
 445 /*
 446 ===============
 447 CL_RelinkEntities
 448 ===============
 449 */
 450 void R_RocketTrail2 (vec3_t start, vec3_t end, int color, entity_t *ent);
 451 void CL_RelinkEntities (void)
 452 {
 453         entity_t        *ent;
 454         int                     i, j, glowcolor, effects;
 455         float           frac, f, d, bobjrotate/*, bobjoffset*/, dlightradius, glowsize;
 456         vec3_t          oldorg, delta, dlightcolor;
 457
 458 // determine partial update time
 459         frac = CL_LerpPoint ();
 460
 461         cl_numvisedicts = 0;
 462
 463         CL_RelinkStaticEntities();
 464
 465 //
 466 // interpolate player info
 467 //
 468         for (i = 0;i < 3;i++)
 469                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
 470
 471         if (cls.demoplayback)
 472         {
 473         // interpolate the angles
 474                 for (j = 0;j < 3;j++)
 475                 {
 476                         d = cl.mviewangles[0][j] - cl.mviewangles[1][j];
 477                         if (d > 180)
 478                                 d -= 360;
 479                         else if (d < -180)
 480                                 d += 360;
 481                         cl.viewangles[j] = cl.mviewangles[1][j] + frac*d;
 482                 }
 483         }
 484
 485         bobjrotate = ANGLEMOD(100*cl.time);
 486 //      bobjoffset = cos(180 * cl.time * M_PI / 180) * 4.0f + 4.0f;
 487
 488 // start on the entity after the world
 489         for (i = 1, ent = cl_entities + 1;i < MAX_EDICTS /*cl.num_entities*/;i++, ent++)
 490         {
 491                 // if the object wasn't included in the latest packet, remove it
 492                 if (!ent->state_current.active)
 493                         continue;
 494
 495                 VectorCopy (ent->render.origin, oldorg);
 496
 497                 if (!ent->state_previous.active)
 498                 {
 499                         // only one state available
 500                         VectorCopy (ent->state_current.origin, ent->render.origin);
 501                         VectorCopy (ent->state_current.angles, ent->render.angles);
 502 //                      Con_Printf(" %i", i);
 503                 }
 504                 else
 505                 {
 506                         // if the delta is large, assume a teleport and don't lerp
 507                         f = CL_EntityLerpPoint(ent);
 508                         if (f < 1)
 509                         {
 510                                 for (j = 0;j < 3;j++)
 511                                 {
 512                                         delta[j] = ent->state_current.origin[j] - ent->state_previous.origin[j];
 513                                         // LordHavoc: increased lerp tolerance from 100 to 200
 514                                         if (delta[j] > 200 || delta[j] < -200)
 515                                                 f = 1;
 516                                 }
 517                         }
 518                         if (f >= 1)
 519                         {
 520                                 // no interpolation
 521                                 VectorCopy (ent->state_current.origin, ent->render.origin);
 522                                 VectorCopy (ent->state_current.angles, ent->render.angles);
 523                         }
 524                         else
 525                         {
 526                                 // interpolate the origin and angles
 527                                 for (j = 0;j < 3;j++)
 528                                 {
 529                                         ent->render.origin[j] = ent->state_previous.origin[j] + f*delta[j];
 530
 531                                         d = ent->state_current.angles[j] - ent->state_previous.angles[j];
 532                                         if (d > 180)
 533                                                 d -= 360;
 534                                         else if (d < -180)
 535                                                 d += 360;
 536                                         ent->render.angles[j] = ent->state_previous.angles[j] + f*d;
 537                                 }
 538                         }
 539                 }
 540
 541                 ent->render.flags = ent->state_current.flags;
 542                 ent->render.effects = effects = ent->state_current.effects;
 543                 ent->render.model = cl.model_precache[ent->state_current.modelindex];
 544                 ent->render.frame = ent->state_current.frame;
 545                 if (cl.scores == NULL || !ent->state_current.colormap)
 546                         ent->render.colormap = -1; // no special coloring
 547                 else
 548                         ent->render.colormap = cl.scores[ent->state_current.colormap - 1].colors; // color it
 549                 ent->render.skinnum = ent->state_current.skin;
 550                 ent->render.alpha = ent->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 551                 ent->render.scale = ent->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 552                 glowsize = ent->state_current.glowsize * 4.0f; // FIXME: interpolate?
 553                 glowcolor = ent->state_current.glowcolor;
 554                 ent->render.colormod[0] = (float) ((ent->state_current.colormod >> 5) & 7) * (1.0f / 7.0f);
 555                 ent->render.colormod[1] = (float) ((ent->state_current.colormod >> 2) & 7) * (1.0f / 7.0f);
 556                 ent->render.colormod[2] = (float) (ent->state_current.colormod & 3) * (1.0f / 3.0f);
 557
 558                 dlightradius = 0;
 559                 dlightcolor[0] = 0;
 560                 dlightcolor[1] = 0;
 561                 dlightcolor[2] = 0;
 562
 563                 // LordHavoc: if the entity has no effects, don't check each
 564                 if (effects)
 565                 {
 566                         if (effects & EF_BRIGHTFIELD)
 567                                 R_EntityParticles (ent);
 568                         if (effects & EF_MUZZLEFLASH)
 569                         {
 570                                 vec3_t v;
 571
 572                                 AngleVectors (ent->render.angles, v, NULL, NULL);
 573
 574                                 v[0] = v[0] * 18 + ent->render.origin[0];
 575                                 v[1] = v[1] * 18 + ent->render.origin[1];
 576                                 v[2] = v[2] * 18 + ent->render.origin[2] + 16;
 577
 578                                 CL_AllocDlight (NULL, v, 100, 1, 1, 1, 0, 0.1);
 579                         }
 580                         if (effects & EF_DIMLIGHT)
 581                         {
 582                                 dlightcolor[0] += 200.0f;
 583                                 dlightcolor[1] += 200.0f;
 584                                 dlightcolor[2] += 200.0f;
 585                         }
 586                         if (effects & EF_BRIGHTLIGHT)
 587                         {
 588                                 dlightcolor[0] += 400.0f;
 589                                 dlightcolor[1] += 400.0f;
 590                                 dlightcolor[2] += 400.0f;
 591                         }
 592                         // LordHavoc: added EF_RED and EF_BLUE
 593                         if (effects & EF_RED) // red
 594                         {
 595                                 dlightcolor[0] += 200.0f;
 596                                 dlightcolor[1] +=  20.0f;
 597                                 dlightcolor[2] +=  20.0f;
 598                         }
 599                         if (effects & EF_BLUE) // blue
 600                         {
 601                                 dlightcolor[0] +=  20.0f;
 602                                 dlightcolor[1] +=  20.0f;
 603                                 dlightcolor[2] += 200.0f;
 604                         }
 605                         else if (effects & EF_FLAME)
 606                         {
 607                                 if (ent->render.model)
 608                                 {
 609                                         vec3_t mins, maxs;
 610                                         int temp;
 611                                         VectorAdd(ent->render.origin, ent->render.model->mins, mins);
 612                                         VectorAdd(ent->render.origin, ent->render.model->maxs, maxs);
 613                                         // how many flames to make
 614                                         temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
 615                                         R_FlameCube(mins, maxs, temp);
 616                                 }
 617                                 d = lhrandom(200, 250);
 618                                 dlightcolor[0] += d * 1.0f;
 619                                 dlightcolor[1] += d * 0.7f;
 620                                 dlightcolor[2] += d * 0.3f;
 621                         }
 622                 }
 623
 624                 // LordHavoc: if the model has no flags, don't check each
 625                 if (ent->render.model && ent->render.model->flags)
 626                 {
 627                         if (ent->render.model->flags & EF_ROTATE)
 628                         {
 629                                 ent->render.angles[1] = bobjrotate;
 630 //                              ent->render.origin[2] += bobjoffset;
 631                         }
 632                         // only do trails if present in the previous frame as well
 633                         if (ent->state_previous.active)
 634                         {
 635                                 if (ent->render.model->flags & EF_GIB)
 636                                         R_RocketTrail (oldorg, ent->render.origin, 2, ent);
 637                                 else if (ent->render.model->flags & EF_ZOMGIB)
 638                                         R_RocketTrail (oldorg, ent->render.origin, 4, ent);
 639                                 else if (ent->render.model->flags & EF_TRACER)
 640                                         R_RocketTrail (oldorg, ent->render.origin, 3, ent);
 641                                 else if (ent->render.model->flags & EF_TRACER2)
 642                                         R_RocketTrail (oldorg, ent->render.origin, 5, ent);
 643                                 else if (ent->render.model->flags & EF_ROCKET)
 644                                 {
 645                                         R_RocketTrail (oldorg, ent->render.origin, 0, ent);
 646                                         dlightcolor[0] += 200.0f;
 647                                         dlightcolor[1] += 160.0f;
 648                                         dlightcolor[2] +=  80.0f;
 649                                 }
 650                                 else if (ent->render.model->flags & EF_GRENADE)
 651                                 {
 652                                         if (ent->render.alpha == -1) // LordHavoc: Nehahra dem compatibility
 653                                                 R_RocketTrail (oldorg, ent->render.origin, 7, ent);
 654                                         else
 655                                                 R_RocketTrail (oldorg, ent->render.origin, 1, ent);
 656                                 }
 657                                 else if (ent->render.model->flags & EF_TRACER3)
 658                                         R_RocketTrail (oldorg, ent->render.origin, 6, ent);
 659                         }
 660                 }
 661                 // LordHavoc: customizable glow
 662                 if (glowsize)
 663                 {
 664                         byte *tempcolor = (byte *)&d_8to24table[glowcolor];
 665                         dlightcolor[0] += glowsize * tempcolor[0] * (1.0f / 255.0f);
 666                         dlightcolor[1] += glowsize * tempcolor[1] * (1.0f / 255.0f);
 667                         dlightcolor[2] += glowsize * tempcolor[2] * (1.0f / 255.0f);
 668                 }
 669                 // LordHavoc: customizable trail
 670                 if (ent->render.flags & RENDER_GLOWTRAIL)
 671                         R_RocketTrail2 (oldorg, ent->render.origin, glowcolor, ent);
 672
 673                 if (dlightcolor[0] || dlightcolor[1] || dlightcolor[2])
 674                 {
 675                         vec3_t vec;
 676                         dlightradius = VectorLength(dlightcolor);
 677                         d = 1.0f / dlightradius;
 678                         VectorCopy(ent->render.origin, vec);
 679                         if (i == cl.viewentity && !chase_active.value)
 680                                 vec[2] += 30;
 681                         CL_AllocDlight (ent, vec, dlightradius, dlightcolor[0] * d, dlightcolor[1] * d, dlightcolor[2] * d, 0, 0);
 682                 }
 683
 684                 if (chase_active.value)
 685                 {
 686                         if (ent->render.flags & RENDER_VIEWMODEL)
 687                                 continue;
 688                 }
 689                 else
 690                 {
 691                         if (i == cl.viewentity || (ent->render.flags & RENDER_EXTERIORMODEL))
 692                                 continue;
 693                 }
 694
 695                 if (ent->render.model == NULL)
 696                         continue;
 697                 if (effects & EF_NODRAW)
 698                         continue;
 699                 if (cl_numvisedicts < MAX_VISEDICTS)
 700                         cl_visedicts[cl_numvisedicts++] = ent;
 701         }
 702 //      Con_Printf("\n");
 703 }
 704
 705
 706 /*
 707 ===============
 708 CL_ReadFromServer
 709
 710 Read all incoming data from the server
 711 ===============
 712 */
 713 int CL_ReadFromServer (void)
 714 {
 715         int ret, netshown;
 716
 717         cl.oldtime = cl.time;
 718         cl.time += cl.frametime;
 719
 720         netshown = false;
 721         do
 722         {
 723                 ret = CL_GetMessage ();
 724                 if (ret == -1)
 725                         Host_Error ("CL_ReadFromServer: lost server connection");
 726                 if (!ret)
 727                         break;
 728
 729                 cl.last_received_message = realtime;
 730
 731                 if (cl_shownet.value)
 732                         netshown = true;
 733
 734                 CL_ParseServerMessage ();
 735         }
 736         while (ret && cls.state == ca_connected);
 737
 738         if (netshown)
 739                 Con_Printf ("\n");
 740
 741         CL_RelinkEntities ();
 742         CL_UpdateTEnts ();
 743         CL_DoEffects ();
 744
 745 //
 746 // bring the links up to date
 747 //
 748         return 0;
 749 }
 750
 751 /*
 752 =================
 753 CL_SendCmd
 754 =================
 755 */
 756 void CL_SendCmd (void)
 757 {
 758         usercmd_t               cmd;
 759
 760         if (cls.state != ca_connected)
 761                 return;
 762
 763         if (cls.signon == SIGNONS)
 764         {
 765         // get basic movement from keyboard
 766                 CL_BaseMove (&cmd);
 767
 768         // allow mice or other external controllers to add to the move
 769                 IN_Move (&cmd);
 770
 771         // send the unreliable message
 772                 CL_SendMove (&cmd);
 773         }
 774
 775         if (cls.demoplayback)
 776         {
 777                 SZ_Clear (&cls.message);
 778                 return;
 779         }
 780
 781 // send the reliable message
 782         if (!cls.message.cursize)
 783                 return;         // no message at all
 784
 785         if (!NET_CanSendMessage (cls.netcon))
 786         {
 787                 Con_DPrintf ("CL_WriteToServer: can't send\n");
 788                 return;
 789         }
 790
 791         if (NET_SendMessage (cls.netcon, &cls.message) == -1)
 792                 Host_Error ("CL_WriteToServer: lost server connection");
 793
 794         SZ_Clear (&cls.message);
 795 }
 796
 797 // LordHavoc: pausedemo command
 798 void CL_PauseDemo_f (void)
 799 {
 800         cls.demopaused = !cls.demopaused;
 801         if (cls.demopaused)
 802                 Con_Printf("Demo paused\n");
 803         else
 804                 Con_Printf("Demo unpaused\n");
 805 }
 806
 807 /*
 808 ======================
 809 CL_PModel_f
 810 LordHavoc: Intended for Nehahra, I personally think this is dumb, but Mindcrime won't listen.
 811 ======================
 812 */
 813 void CL_PModel_f (void)
 814 {
 815         int i;
 816         eval_t *val;
 817
 818         if (Cmd_Argc () == 1)
 819         {
 820                 Con_Printf ("\"pmodel\" is \"%s\"\n", cl_pmodel.string);
 821                 return;
 822         }
 823         i = atoi(Cmd_Argv(1));
 824
 825         if (cmd_source == src_command)
 826         {
 827                 if (cl_pmodel.value == i)
 828                         return;
 829                 Cvar_SetValue ("_cl_pmodel", i);
 830                 if (cls.state == ca_connected)
 831                         Cmd_ForwardToServer ();
 832                 return;
 833         }
 834
 835         host_client->pmodel = i;
 836         if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_pmodel)))
 837                 val->_float = i;
 838 }
 839
 840 /*
 841 ======================
 842 CL_Fog_f
 843 ======================
 844 */
 845 void CL_Fog_f (void)
 846 {
 847         if (Cmd_Argc () == 1)
 848         {
 849                 Con_Printf ("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
 850                 return;
 851         }
 852         fog_density = atof(Cmd_Argv(1));
 853         fog_red = atof(Cmd_Argv(2));
 854         fog_green = atof(Cmd_Argv(3));
 855         fog_blue = atof(Cmd_Argv(4));
 856 }
 857
 858 /*
 859 =================
 860 CL_Init
 861 =================
 862 */
 863 void CL_Init (void)
 864 {
 865         SZ_Alloc (&cls.message, 1024);
 866
 867         CL_InitInput ();
 868         CL_InitTEnts ();
 869
 870 //
 871 // register our commands
 872 //
 873         Cvar_RegisterVariable (&cl_name);
 874         Cvar_RegisterVariable (&cl_color);
 875         Cvar_RegisterVariable (&cl_pmodel);
 876         Cvar_RegisterVariable (&cl_upspeed);
 877         Cvar_RegisterVariable (&cl_forwardspeed);
 878         Cvar_RegisterVariable (&cl_backspeed);
 879         Cvar_RegisterVariable (&cl_sidespeed);
 880         Cvar_RegisterVariable (&cl_movespeedkey);
 881         Cvar_RegisterVariable (&cl_yawspeed);
 882         Cvar_RegisterVariable (&cl_pitchspeed);
 883         Cvar_RegisterVariable (&cl_anglespeedkey);
 884         Cvar_RegisterVariable (&cl_shownet);
 885         Cvar_RegisterVariable (&cl_nolerp);
 886         Cvar_RegisterVariable (&lookspring);
 887         Cvar_RegisterVariable (&lookstrafe);
 888         Cvar_RegisterVariable (&sensitivity);
 889         Cvar_RegisterVariable (&freelook);
 890
 891         Cvar_RegisterVariable (&m_pitch);
 892         Cvar_RegisterVariable (&m_yaw);
 893         Cvar_RegisterVariable (&m_forward);
 894         Cvar_RegisterVariable (&m_side);
 895
 896 //      Cvar_RegisterVariable (&cl_autofire);
 897
 898         Cmd_AddCommand ("entities", CL_PrintEntities_f);
 899         Cmd_AddCommand ("bitprofile", CL_BitProfile_f);
 900         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
 901         Cmd_AddCommand ("record", CL_Record_f);
 902         Cmd_AddCommand ("stop", CL_Stop_f);
 903         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
 904         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
 905
 906         Cmd_AddCommand ("fog", CL_Fog_f);
 907
 908         // LordHavoc: added pausedemo
 909         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
 910         // LordHavoc: added pmodel command (like name, etc, only intended for Nehahra)
 911         Cmd_AddCommand ("pmodel", CL_PModel_f);
 912
 913         CL_Parse_Init();
 914 }