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 = {"_cl_name", "player", true};
  29 cvar_t  cl_color = {"_cl_color", "0", true};
  30 cvar_t  cl_pmodel = {"_cl_pmodel", "0", true};
  31
  32 cvar_t  cl_shownet = {"cl_shownet","0"};        // can be 0, 1, or 2
  33 cvar_t  cl_nolerp = {"cl_nolerp","0"};
  34
  35 cvar_t  lookspring = {"lookspring","0", true};
  36 cvar_t  lookstrafe = {"lookstrafe","0", true};
  37 cvar_t  sensitivity = {"sensitivity","3", true};
  38
  39 cvar_t  m_pitch = {"m_pitch","0.022", true};
  40 cvar_t  m_yaw = {"m_yaw","0.022", true};
  41 cvar_t  m_forward = {"m_forward","1", true};
  42 cvar_t  m_side = {"m_side","0.8", true};
  43
  44
  45 client_static_t cls;
  46 client_state_t  cl;
  47 // FIXME: put these on hunk?
  48 //efrag_t                       cl_efrags[MAX_EFRAGS];
  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_efrags, 0, sizeof(cl_efrags));
  77         memset (cl_entities, 0, sizeof(cl_entities));
  78         memset (cl_dlights, 0, sizeof(cl_dlights));
  79         memset (cl_lightstyle, 0, sizeof(cl_lightstyle));
  80         memset (cl_temp_entities, 0, sizeof(cl_temp_entities));
  81         memset (cl_beams, 0, sizeof(cl_beams));
  82         // LordHavoc: have to set up the baseline info for alpha and other stuff
  83         for (i = 0;i < MAX_EDICTS;i++)
  84         {
  85                 cl_entities[i].state_baseline.alpha = 255;
  86                 cl_entities[i].state_baseline.scale = 16;
  87                 cl_entities[i].state_baseline.glowsize = 0;
  88                 cl_entities[i].state_baseline.glowcolor = 254;
  89                 cl_entities[i].state_baseline.colormod = 255;
  90         }
  91
  92 ////
  93 //// allocate the efrags and chain together into a free list
  94 ////
  95 //      cl.free_efrags = cl_efrags;
  96 //      for (i=0 ; i<MAX_EFRAGS-1 ; i++)
  97 //              cl.free_efrags[i].entnext = &cl.free_efrags[i+1];
  98 //      cl.free_efrags[i].entnext = NULL;
  99 }
 100
 101 /*
 102 =====================
 103 CL_Disconnect
 104
 105 Sends a disconnect message to the server
 106 This is also called on Host_Error, so it shouldn't cause any errors
 107 =====================
 108 */
 109 void CL_Disconnect (void)
 110 {
 111 // stop sounds (especially looping!)
 112         S_StopAllSounds (true);
 113
 114         // clear contents blends
 115         cl.cshifts[0].percent = 0;
 116         cl.cshifts[1].percent = 0;
 117         cl.cshifts[2].percent = 0;
 118         cl.cshifts[3].percent = 0;
 119
 120 // if running a local server, shut it down
 121         if (cls.demoplayback)
 122                 CL_StopPlayback ();
 123         else if (cls.state == ca_connected)
 124         {
 125                 if (cls.demorecording)
 126                         CL_Stop_f ();
 127
 128                 Con_DPrintf ("Sending clc_disconnect\n");
 129                 SZ_Clear (&cls.message);
 130                 MSG_WriteByte (&cls.message, clc_disconnect);
 131                 NET_SendUnreliableMessage (cls.netcon, &cls.message);
 132                 SZ_Clear (&cls.message);
 133                 NET_Close (cls.netcon);
 134
 135                 cls.state = ca_disconnected;
 136                 if (sv.active)
 137                         Host_ShutdownServer(false);
 138         }
 139
 140         cls.demoplayback = cls.timedemo = false;
 141         cls.signon = 0;
 142 }
 143
 144 void CL_Disconnect_f (void)
 145 {
 146         CL_Disconnect ();
 147         if (sv.active)
 148                 Host_ShutdownServer (false);
 149 }
 150
 151
 152
 153
 154 /*
 155 =====================
 156 CL_EstablishConnection
 157
 158 Host should be either "local" or a net address to be passed on
 159 =====================
 160 */
 161 void CL_EstablishConnection (char *host)
 162 {
 163         if (cls.state == ca_dedicated)
 164                 return;
 165
 166         if (cls.demoplayback)
 167                 return;
 168
 169         CL_Disconnect ();
 170
 171         cls.netcon = NET_Connect (host);
 172         if (!cls.netcon)
 173                 Host_Error ("CL_Connect: connect failed\n");
 174         Con_DPrintf ("CL_EstablishConnection: connected to %s\n", host);
 175
 176         cls.demonum = -1;                       // not in the demo loop now
 177         cls.state = ca_connected;
 178         cls.signon = 0;                         // need all the signon messages before playing
 179 }
 180
 181 /*
 182 =====================
 183 CL_SignonReply
 184
 185 An svc_signonnum has been received, perform a client side setup
 186 =====================
 187 */
 188 void CL_SignonReply (void)
 189 {
 190         char    str[8192];
 191
 192 Con_DPrintf ("CL_SignonReply: %i\n", cls.signon);
 193
 194         switch (cls.signon)
 195         {
 196         case 1:
 197                 MSG_WriteByte (&cls.message, clc_stringcmd);
 198                 MSG_WriteString (&cls.message, "prespawn");
 199                 break;
 200
 201         case 2:
 202                 MSG_WriteByte (&cls.message, clc_stringcmd);
 203                 MSG_WriteString (&cls.message, va("name \"%s\"\n", cl_name.string));
 204
 205                 MSG_WriteByte (&cls.message, clc_stringcmd);
 206                 MSG_WriteString (&cls.message, va("color %i %i\n", ((int)cl_color.value)>>4, ((int)cl_color.value)&15));
 207
 208                 if (cl_pmodel.value)
 209                 {
 210                         MSG_WriteByte (&cls.message, clc_stringcmd);
 211                         MSG_WriteString (&cls.message, va("pmodel %f\n", cl_pmodel.value));
 212                 }
 213
 214                 MSG_WriteByte (&cls.message, clc_stringcmd);
 215                 sprintf (str, "spawn %s", cls.spawnparms);
 216                 MSG_WriteString (&cls.message, str);
 217                 break;
 218
 219         case 3:
 220                 MSG_WriteByte (&cls.message, clc_stringcmd);
 221                 MSG_WriteString (&cls.message, "begin");
 222                 Cache_Report ();                // print remaining memory
 223                 break;
 224
 225         case 4:
 226 //              SCR_EndLoadingPlaque ();                // allow normal screen updates
 227                 Con_ClearNotify();
 228                 break;
 229         }
 230 }
 231
 232 /*
 233 =====================
 234 CL_NextDemo
 235
 236 Called to play the next demo in the demo loop
 237 =====================
 238 */
 239 void CL_NextDemo (void)
 240 {
 241         char    str[1024];
 242
 243         if (cls.demonum == -1)
 244                 return;         // don't play demos
 245
 246 //      SCR_BeginLoadingPlaque ();
 247
 248         if (!cls.demos[cls.demonum][0] || cls.demonum == MAX_DEMOS)
 249         {
 250                 cls.demonum = 0;
 251                 if (!cls.demos[cls.demonum][0])
 252                 {
 253                         Con_Printf ("No demos listed with startdemos\n");
 254                         cls.demonum = -1;
 255                         return;
 256                 }
 257         }
 258
 259         sprintf (str,"playdemo %s\n", cls.demos[cls.demonum]);
 260         Cbuf_InsertText (str);
 261         cls.demonum++;
 262 }
 263
 264 /*
 265 ==============
 266 CL_PrintEntities_f
 267 ==============
 268 */
 269 void CL_PrintEntities_f (void)
 270 {
 271         entity_t        *ent;
 272         int                     i;
 273
 274         for (i = 0, ent = cl_entities;i < MAX_EDICTS /*cl.num_entities*/;i++, ent++)
 275         {
 276                 Con_Printf ("%3i:", i);
 277                 if (!ent->render.model)
 278                 {
 279                         Con_Printf ("EMPTY\n");
 280                         continue;
 281                 }
 282                 Con_Printf ("%s:%2i  (%5.1f,%5.1f,%5.1f) [%5.1f %5.1f %5.1f]\n", ent->render.model->name, ent->render.frame, ent->render.origin[0], ent->render.origin[1], ent->render.origin[2], ent->render.angles[0], ent->render.angles[1], ent->render.angles[2]);
 283         }
 284 }
 285
 286
 287 /*
 288 ===============
 289 CL_AllocDlight
 290
 291 ===============
 292 */
 293 void CL_AllocDlight (entity_t *ent, vec3_t org, float radius, float red, float green, float blue, float decay, float lifetime)
 294 {
 295         int             i;
 296         dlight_t        *dl;
 297
 298 // first look for an exact key match
 299         if (ent)
 300         {
 301                 dl = cl_dlights;
 302                 for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 303                         if (dl->ent == ent)
 304                                 goto dlightsetup;
 305         }
 306
 307 // then look for anything else
 308         dl = cl_dlights;
 309         for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 310                 if (!dl->radius)
 311                         goto dlightsetup;
 312
 313         // unable to find one
 314         return;
 315
 316 dlightsetup:
 317         memset (dl, 0, sizeof(*dl));
 318         dl->ent = ent;
 319         VectorCopy(org, dl->origin);
 320         dl->radius = radius;
 321         dl->color[0] = red;
 322         dl->color[1] = green;
 323         dl->color[2] = blue;
 324         dl->decay = decay;
 325         dl->die = cl.time + lifetime;
 326 }
 327
 328
 329 /*
 330 ===============
 331 CL_DecayLights
 332
 333 ===============
 334 */
 335 void CL_DecayLights (void)
 336 {
 337         int                     i;
 338         dlight_t        *dl;
 339         float           time;
 340
 341         time = cl.time - cl.oldtime;
 342
 343         c_dlights = 0;
 344         dl = cl_dlights;
 345         for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
 346         {
 347                 if (!dl->radius)
 348                         continue;
 349                 if (dl->die < cl.time)
 350                 {
 351                         dl->radius = 0;
 352                         continue;
 353                 }
 354
 355                 c_dlights++; // count every dlight in use
 356
 357                 dl->radius -= time*dl->decay;
 358                 if (dl->radius < 0)
 359                         dl->radius = 0;
 360         }
 361 }
 362
 363
 364 /*
 365 ===============
 366 CL_LerpPoint
 367
 368 Determines the fraction between the last two messages that the objects
 369 should be put at.
 370 ===============
 371 */
 372 float   CL_LerpPoint (void)
 373 {
 374         float   f, frac;
 375
 376         f = cl.mtime[0] - cl.mtime[1];
 377
 378         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 379         if (!f || cl_nolerp.value || cls.timedemo || (sv.active && svs.maxclients == 1))
 380         {
 381                 cl.time = cl.mtime[0];
 382                 return 1;
 383         }
 384
 385         if (f > 0.1)
 386         {       // dropped packet, or start of demo
 387                 cl.mtime[1] = cl.mtime[0] - 0.1;
 388                 f = 0.1;
 389         }
 390         frac = (cl.time - cl.mtime[1]) / f;
 391 //      Con_Printf ("frac: %f\n",frac);
 392         if (frac < 0)
 393         {
 394                 if (frac < -0.01)
 395                 {
 396                         cl.time = cl.mtime[1];
 397 //                      Con_Printf ("low frac\n");
 398                 }
 399                 frac = 0;
 400         }
 401         else if (frac > 1)
 402         {
 403                 if (frac > 1.01)
 404                 {
 405                         cl.time = cl.mtime[0];
 406 //                      Con_Printf ("high frac\n");
 407                 }
 408                 frac = 1;
 409         }
 410
 411         return frac;
 412 }
 413
 414 float CL_EntityLerpPoint (entity_t *ent)
 415 {
 416         float   f;
 417
 418         if (cl_nolerp.value || cls.timedemo || (sv.active && svs.maxclients == 1))
 419                 return 1;
 420
 421         f = ent->state_current.time - ent->state_previous.time;
 422 //      Con_Printf(" %g-%g=%g", ent->state_current.time, ent->state_previous.time, f);
 423
 424         if (f <= 0)
 425                 return 1;
 426         if (f >= 0.1)
 427                 f = 0.1;
 428
 429 //      Con_Printf(" %g-%g/%g=%f", cl.time, ent->state_previous.time, f, (cl.time - ent->state_previous.time) / f);
 430         f = (cl.time - ent->state_previous.time) / f;
 431         return bound(0, f, 1);
 432 }
 433
 434 void CL_RelinkStaticEntities()
 435 {
 436         entity_t *ent, *endent;
 437         if (cl.num_statics > MAX_VISEDICTS)
 438                 Host_Error("CL_RelinkStaticEntities: cl.num_statics > MAX_VISEDICTS??\n");
 439
 440         ent = cl_static_entities;
 441         endent = ent + cl.num_statics;
 442         for (;ent < endent;ent++)
 443                 cl_visedicts[cl_numvisedicts++] = ent;
 444 }
 445
 446 /*
 447 ===============
 448 CL_RelinkEntities
 449 ===============
 450 */
 451 void R_RocketTrail2 (vec3_t start, vec3_t end, int color, entity_t *ent);
 452 void CL_RelinkEntities (void)
 453 {
 454         entity_t        *ent;
 455         int                     i, j;
 456         float           frac, f, d, bobjrotate/*, bobjoffset*/, dlightradius;
 457         vec3_t          oldorg, delta, dlightcolor;
 458
 459 // determine partial update time
 460         frac = CL_LerpPoint ();
 461
 462         cl_numvisedicts = 0;
 463
 464         CL_RelinkStaticEntities();
 465
 466 //
 467 // interpolate player info
 468 //
 469         for (i = 0;i < 3;i++)
 470                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
 471
 472         if (cls.demoplayback)
 473         {
 474         // interpolate the angles
 475                 for (j = 0;j < 3;j++)
 476                 {
 477                         d = cl.mviewangles[0][j] - cl.mviewangles[1][j];
 478                         if (d > 180)
 479                                 d -= 360;
 480                         else if (d < -180)
 481                                 d += 360;
 482                         cl.viewangles[j] = cl.mviewangles[1][j] + frac*d;
 483                 }
 484         }
 485
 486         bobjrotate = ANGLEMOD(100*cl.time);
 487 //      bobjoffset = cos(180 * cl.time * M_PI / 180) * 4.0f + 4.0f;
 488
 489 // start on the entity after the world
 490         for (i = 1, ent = cl_entities + 1;i < MAX_EDICTS /*cl.num_entities*/;i++, ent++)
 491         {
 492                 // if the object wasn't included in the latest packet, remove it
 493                 if (!ent->state_current.active)
 494                         continue;
 495
 496                 VectorCopy (ent->render.origin, oldorg);
 497
 498                 if (!ent->state_previous.active)
 499                 {
 500                         // only one state available
 501                         VectorCopy (ent->state_current.origin, ent->render.origin);
 502                         VectorCopy (ent->state_current.angles, ent->render.angles);
 503 //                      Con_Printf(" %i", i);
 504                 }
 505                 else
 506                 {
 507                         // if the delta is large, assume a teleport and don't lerp
 508                         f = CL_EntityLerpPoint(ent);
 509                         if (f < 1)
 510                         {
 511                                 for (j = 0;j < 3;j++)
 512                                 {
 513                                         delta[j] = ent->state_current.origin[j] - ent->state_previous.origin[j];
 514                                         // LordHavoc: increased lerp tolerance from 100 to 200
 515                                         if (delta[j] > 200 || delta[j] < -200)
 516                                                 f = 1;
 517                                 }
 518                         }
 519                         if (f >= 1)
 520                         {
 521                                 // no interpolation
 522                                 VectorCopy (ent->state_current.origin, ent->render.origin);
 523                                 VectorCopy (ent->state_current.angles, ent->render.angles);
 524                         }
 525                         else
 526                         {
 527                                 // interpolate the origin and angles
 528                                 for (j = 0;j < 3;j++)
 529                                 {
 530                                         ent->render.origin[j] = ent->state_previous.origin[j] + f*delta[j];
 531
 532                                         d = ent->state_current.angles[j] - ent->state_previous.angles[j];
 533                                         if (d > 180)
 534                                                 d -= 360;
 535                                         else if (d < -180)
 536                                                 d += 360;
 537                                         ent->render.angles[j] = ent->state_previous.angles[j] + f*d;
 538                                 }
 539                         }
 540                 }
 541
 542                 ent->render.flags = ent->state_current.flags;
 543                 ent->render.effects = ent->state_current.effects;
 544                 ent->render.model = cl.model_precache[ent->state_current.modelindex];
 545                 ent->render.frame = ent->state_current.frame;
 546                 if (cl.scores == NULL || !ent->state_current.colormap)
 547                         ent->render.colormap = -1; // no special coloring
 548                 else
 549                         ent->render.colormap = cl.scores[ent->state_current.colormap - 1].colors; // color it
 550                 ent->render.skinnum = ent->state_current.skin;
 551                 ent->render.alpha = ent->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 552                 ent->render.scale = ent->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 553                 ent->render.glowsize = ent->state_current.glowsize * 4.0f; // FIXME: interpolate?
 554                 ent->render.glowcolor = ent->state_current.glowcolor;
 555                 ent->render.colormod[0] = (float) ((ent->state_current.colormod >> 5) & 7) * (1.0f / 7.0f);
 556                 ent->render.colormod[1] = (float) ((ent->state_current.colormod >> 2) & 7) * (1.0f / 7.0f);
 557                 ent->render.colormod[2] = (float) (ent->state_current.colormod & 3) * (1.0f / 3.0f);
 558
 559                 dlightradius = 0;
 560                 dlightcolor[0] = 0;
 561                 dlightcolor[1] = 0;
 562                 dlightcolor[2] = 0;
 563
 564                 // LordHavoc: if the entity has no effects, don't check each
 565                 if (ent->render.effects)
 566                 {
 567                         if (ent->render.effects & EF_BRIGHTFIELD)
 568                                 R_EntityParticles (ent);
 569                         if (ent->render.effects & EF_MUZZLEFLASH)
 570                         {
 571                                 vec3_t v;
 572
 573                                 AngleVectors (ent->render.angles, v, NULL, NULL);
 574
 575                                 v[0] = v[0] * 18 + ent->render.origin[0];
 576                                 v[1] = v[1] * 18 + ent->render.origin[1];
 577                                 v[2] = v[2] * 18 + ent->render.origin[2] + 16;
 578
 579                                 CL_AllocDlight (NULL, v, 100, 1, 1, 1, 0, 0.1);
 580                         }
 581                         if (ent->render.effects & EF_DIMLIGHT)
 582                         {
 583                                 dlightcolor[0] += 200.0f;
 584                                 dlightcolor[1] += 200.0f;
 585                                 dlightcolor[2] += 200.0f;
 586                         }
 587                         if (ent->render.effects & EF_BRIGHTLIGHT)
 588                         {
 589                                 dlightcolor[0] += 400.0f;
 590                                 dlightcolor[1] += 400.0f;
 591                                 dlightcolor[2] += 400.0f;
 592                         }
 593                         // LordHavoc: added EF_RED and EF_BLUE
 594                         if (ent->render.effects & EF_RED) // red
 595                         {
 596                                 dlightcolor[0] += 200.0f;
 597                                 dlightcolor[1] +=  20.0f;
 598                                 dlightcolor[2] +=  20.0f;
 599                         }
 600                         if (ent->render.effects & EF_BLUE) // blue
 601                         {
 602                                 dlightcolor[0] +=  20.0f;
 603                                 dlightcolor[1] +=  20.0f;
 604                                 dlightcolor[2] += 200.0f;
 605                         }
 606                         else if (ent->render.effects & EF_FLAME)
 607                         {
 608                                 if (ent->render.model)
 609                                 {
 610                                         vec3_t mins, maxs;
 611                                         int temp;
 612                                         VectorAdd(ent->render.origin, ent->render.model->mins, mins);
 613                                         VectorAdd(ent->render.origin, ent->render.model->maxs, maxs);
 614                                         // how many flames to make
 615                                         temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
 616                                         R_FlameCube(mins, maxs, temp);
 617                                 }
 618                                 d = lhrandom(200, 250);
 619                                 dlightcolor[0] += d * 1.0f;
 620                                 dlightcolor[1] += d * 0.7f;
 621                                 dlightcolor[2] += d * 0.3f;
 622                         }
 623                 }
 624
 625                 // LordHavoc: if the model has no flags, don't check each
 626                 if (ent->render.model && ent->render.model->flags)
 627                 {
 628                         if (ent->render.model->flags & EF_ROTATE)
 629                         {
 630                                 ent->render.angles[1] = bobjrotate;
 631 //                              ent->render.origin[2] += bobjoffset;
 632                         }
 633                         // only do trails if present in the previous frame as well
 634                         if (ent->state_previous.active)
 635                         {
 636                                 if (ent->render.model->flags & EF_GIB)
 637                                         R_RocketTrail (oldorg, ent->render.origin, 2, ent);
 638                                 else if (ent->render.model->flags & EF_ZOMGIB)
 639                                         R_RocketTrail (oldorg, ent->render.origin, 4, ent);
 640                                 else if (ent->render.model->flags & EF_TRACER)
 641                                         R_RocketTrail (oldorg, ent->render.origin, 3, ent);
 642                                 else if (ent->render.model->flags & EF_TRACER2)
 643                                         R_RocketTrail (oldorg, ent->render.origin, 5, ent);
 644                                 else if (ent->render.model->flags & EF_ROCKET)
 645                                 {
 646                                         R_RocketTrail (oldorg, ent->render.origin, 0, ent);
 647                                         dlightcolor[0] += 200.0f;
 648                                         dlightcolor[1] += 160.0f;
 649                                         dlightcolor[2] +=  80.0f;
 650                                 }
 651                                 else if (ent->render.model->flags & EF_GRENADE)
 652                                 {
 653                                         if (ent->render.alpha == -1) // LordHavoc: Nehahra dem compatibility
 654                                                 R_RocketTrail (oldorg, ent->render.origin, 7, ent);
 655                                         else
 656                                                 R_RocketTrail (oldorg, ent->render.origin, 1, ent);
 657                                 }
 658                                 else if (ent->render.model->flags & EF_TRACER3)
 659                                         R_RocketTrail (oldorg, ent->render.origin, 6, ent);
 660                         }
 661                 }
 662                 // LordHavoc: customizable glow
 663                 if (ent->render.glowsize)
 664                 {
 665                         byte *tempcolor = (byte *)&d_8to24table[ent->render.glowcolor];
 666                         dlightcolor[0] += ent->render.glowsize * tempcolor[0] * (1.0f / 255.0f);
 667                         dlightcolor[1] += ent->render.glowsize * tempcolor[1] * (1.0f / 255.0f);
 668                         dlightcolor[2] += ent->render.glowsize * tempcolor[2] * (1.0f / 255.0f);
 669                 }
 670                 // LordHavoc: customizable trail
 671                 if (ent->render.flags & RENDER_GLOWTRAIL)
 672                         R_RocketTrail2 (oldorg, ent->render.origin, ent->render.glowcolor, ent);
 673
 674                 if (dlightcolor[0] || dlightcolor[1] || dlightcolor[2])
 675                 {
 676                         dlightradius = VectorLength(dlightcolor);
 677                         d = 1.0f / dlightradius;
 678                         CL_AllocDlight (ent, ent->render.origin, dlightradius, dlightcolor[0] * d, dlightcolor[1] * d, dlightcolor[2] * d, 0, 0);
 679                 }
 680
 681                 if (i == cl.viewentity && !chase_active.value)
 682                         continue;
 683
 684                 if (ent->render.model == NULL)
 685                         continue;
 686                 if (ent->render.effects & EF_NODRAW)
 687                         continue;
 688                 if (cl_numvisedicts < MAX_VISEDICTS)
 689                         cl_visedicts[cl_numvisedicts++] = ent;
 690         }
 691 //      Con_Printf("\n");
 692 }
 693
 694
 695 // used by cl_shownet
 696 int netshown;
 697
 698 /*
 699 ===============
 700 CL_ReadFromServer
 701
 702 Read all incoming data from the server
 703 ===============
 704 */
 705 int CL_ReadFromServer (void)
 706 {
 707         int             ret;
 708
 709         cl.oldtime = cl.time;
 710         cl.time += cl.frametime;
 711
 712         netshown = false;
 713         do
 714         {
 715                 ret = CL_GetMessage ();
 716                 if (ret == -1)
 717                         Host_Error ("CL_ReadFromServer: lost server connection");
 718                 if (!ret)
 719                         break;
 720
 721                 cl.last_received_message = realtime;
 722                 CL_ParseServerMessage ();
 723         } while (ret && cls.state == ca_connected);
 724
 725         if (netshown)
 726                 Con_Printf ("\n");
 727
 728         CL_RelinkEntities ();
 729         CL_UpdateTEnts ();
 730         CL_DoEffects ();
 731
 732 //
 733 // bring the links up to date
 734 //
 735         return 0;
 736 }
 737
 738 /*
 739 =================
 740 CL_SendCmd
 741 =================
 742 */
 743 void CL_SendCmd (void)
 744 {
 745         usercmd_t               cmd;
 746
 747         if (cls.state != ca_connected)
 748                 return;
 749
 750         if (cls.signon == SIGNONS)
 751         {
 752         // get basic movement from keyboard
 753                 CL_BaseMove (&cmd);
 754
 755         // allow mice or other external controllers to add to the move
 756                 IN_Move (&cmd);
 757
 758         // send the unreliable message
 759                 CL_SendMove (&cmd);
 760         }
 761
 762         if (cls.demoplayback)
 763         {
 764                 SZ_Clear (&cls.message);
 765                 return;
 766         }
 767
 768 // send the reliable message
 769         if (!cls.message.cursize)
 770                 return;         // no message at all
 771
 772         if (!NET_CanSendMessage (cls.netcon))
 773         {
 774                 Con_DPrintf ("CL_WriteToServer: can't send\n");
 775                 return;
 776         }
 777
 778         if (NET_SendMessage (cls.netcon, &cls.message) == -1)
 779                 Host_Error ("CL_WriteToServer: lost server connection");
 780
 781         SZ_Clear (&cls.message);
 782 }
 783
 784 // LordHavoc: pausedemo command
 785 void CL_PauseDemo_f (void)
 786 {
 787         cls.demopaused = !cls.demopaused;
 788         if (cls.demopaused)
 789                 Con_Printf("Demo paused\n");
 790         else
 791                 Con_Printf("Demo unpaused\n");
 792 }
 793
 794 /*
 795 ======================
 796 CL_PModel_f
 797 LordHavoc: Intended for Nehahra, I personally think this is dumb, but Mindcrime won't listen.
 798 ======================
 799 */
 800 void CL_PModel_f (void)
 801 {
 802         int i;
 803         eval_t *val;
 804
 805         if (Cmd_Argc () == 1)
 806         {
 807                 Con_Printf ("\"pmodel\" is \"%s\"\n", cl_pmodel.string);
 808                 return;
 809         }
 810         i = atoi(Cmd_Argv(1));
 811
 812         if (cmd_source == src_command)
 813         {
 814                 if (cl_pmodel.value == i)
 815                         return;
 816                 Cvar_SetValue ("_cl_pmodel", i);
 817                 if (cls.state == ca_connected)
 818                         Cmd_ForwardToServer ();
 819                 return;
 820         }
 821
 822         host_client->pmodel = i;
 823         if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_pmodel)))
 824                 val->_float = i;
 825 }
 826
 827 /*
 828 ======================
 829 CL_Fog_f
 830 ======================
 831 */
 832 void CL_Fog_f (void)
 833 {
 834         if (Cmd_Argc () == 1)
 835         {
 836                 Con_Printf ("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
 837                 return;
 838         }
 839         fog_density = atof(Cmd_Argv(1));
 840         fog_red = atof(Cmd_Argv(2));
 841         fog_green = atof(Cmd_Argv(3));
 842         fog_blue = atof(Cmd_Argv(4));
 843 }
 844
 845 cvar_t demo_nehahra = {"demo_nehahra", "0"};
 846
 847 /*
 848 =================
 849 CL_Init
 850 =================
 851 */
 852 void CL_Init (void)
 853 {
 854         SZ_Alloc (&cls.message, 1024);
 855
 856         CL_InitInput ();
 857         CL_InitTEnts ();
 858
 859 //
 860 // register our commands
 861 //
 862         Cvar_RegisterVariable (&cl_name);
 863         Cvar_RegisterVariable (&cl_color);
 864         Cvar_RegisterVariable (&cl_pmodel);
 865         Cvar_RegisterVariable (&cl_upspeed);
 866         Cvar_RegisterVariable (&cl_forwardspeed);
 867         Cvar_RegisterVariable (&cl_backspeed);
 868         Cvar_RegisterVariable (&cl_sidespeed);
 869         Cvar_RegisterVariable (&cl_movespeedkey);
 870         Cvar_RegisterVariable (&cl_yawspeed);
 871         Cvar_RegisterVariable (&cl_pitchspeed);
 872         Cvar_RegisterVariable (&cl_anglespeedkey);
 873         Cvar_RegisterVariable (&cl_shownet);
 874         Cvar_RegisterVariable (&cl_nolerp);
 875         Cvar_RegisterVariable (&lookspring);
 876         Cvar_RegisterVariable (&lookstrafe);
 877         Cvar_RegisterVariable (&sensitivity);
 878
 879         Cvar_RegisterVariable (&m_pitch);
 880         Cvar_RegisterVariable (&m_yaw);
 881         Cvar_RegisterVariable (&m_forward);
 882         Cvar_RegisterVariable (&m_side);
 883
 884 //      Cvar_RegisterVariable (&cl_autofire);
 885
 886         Cmd_AddCommand ("entities", CL_PrintEntities_f);
 887         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
 888         Cmd_AddCommand ("record", CL_Record_f);
 889         Cmd_AddCommand ("stop", CL_Stop_f);
 890         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
 891         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
 892
 893         Cmd_AddCommand ("fog", CL_Fog_f);
 894
 895         // LordHavoc: added pausedemo
 896         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
 897         // LordHavoc: added pmodel command (like name, etc, only intended for Nehahra)
 898         Cmd_AddCommand ("pmodel", CL_PModel_f);
 899         // LordHavoc: added demo_nehahra cvar
 900         Cvar_RegisterVariable (&demo_nehahra);
 901         if (nehahra)
 902                 Cvar_SetValue("demo_nehahra", 1);
 903 }
 904