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 cvar_t freelook = {"freelook", "1", true};
  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;
 262
 263         for (i = 0, ent = cl_entities;i < MAX_EDICTS /*cl.num_entities*/;i++, ent++)
 264         {
 265                 Con_Printf ("%3i:", i);
 266                 if (!ent->render.model)
 267                 {
 268                         Con_Printf ("EMPTY\n");
 269                         continue;
 270                 }
 271                 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]);
 272         }
 273 }
 274
 275
 276 /*
 277 ===============
 278 CL_AllocDlight
 279
 280 ===============
 281 */
 282 void CL_AllocDlight (entity_t *ent, vec3_t org, float radius, float red, float green, float blue, float decay, float lifetime)
 283 {
 284         int             i;
 285         dlight_t        *dl;
 286
 287 // first look for an exact key match
 288         if (ent)
 289         {
 290                 dl = cl_dlights;
 291                 for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 292                         if (dl->ent == ent)
 293                                 goto dlightsetup;
 294         }
 295
 296 // then look for anything else
 297         dl = cl_dlights;
 298         for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 299                 if (!dl->radius)
 300                         goto dlightsetup;
 301
 302         // unable to find one
 303         return;
 304
 305 dlightsetup:
 306         memset (dl, 0, sizeof(*dl));
 307         dl->ent = ent;
 308         VectorCopy(org, dl->origin);
 309         dl->radius = radius;
 310         dl->color[0] = red;
 311         dl->color[1] = green;
 312         dl->color[2] = blue;
 313         dl->decay = decay;
 314         dl->die = cl.time + lifetime;
 315 }
 316
 317
 318 /*
 319 ===============
 320 CL_DecayLights
 321
 322 ===============
 323 */
 324 void CL_DecayLights (void)
 325 {
 326         int                     i;
 327         dlight_t        *dl;
 328         float           time;
 329
 330         time = cl.time - cl.oldtime;
 331
 332         c_dlights = 0;
 333         dl = cl_dlights;
 334         for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
 335         {
 336                 if (!dl->radius)
 337                         continue;
 338                 if (dl->die < cl.time)
 339                 {
 340                         dl->radius = 0;
 341                         continue;
 342                 }
 343
 344                 c_dlights++; // count every dlight in use
 345
 346                 dl->radius -= time*dl->decay;
 347                 if (dl->radius < 0)
 348                         dl->radius = 0;
 349         }
 350 }
 351
 352
 353 /*
 354 ===============
 355 CL_LerpPoint
 356
 357 Determines the fraction between the last two messages that the objects
 358 should be put at.
 359 ===============
 360 */
 361 float   CL_LerpPoint (void)
 362 {
 363         float   f, frac;
 364
 365         f = cl.mtime[0] - cl.mtime[1];
 366
 367         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 368         if (!f || cl_nolerp.value || cls.timedemo || (sv.active && svs.maxclients == 1))
 369         {
 370                 cl.time = cl.mtime[0];
 371                 return 1;
 372         }
 373
 374         if (f > 0.1)
 375         {       // dropped packet, or start of demo
 376                 cl.mtime[1] = cl.mtime[0] - 0.1;
 377                 f = 0.1;
 378         }
 379         frac = (cl.time - cl.mtime[1]) / f;
 380 //      Con_Printf ("frac: %f\n",frac);
 381         if (frac < 0)
 382         {
 383                 if (frac < -0.01)
 384                 {
 385                         cl.time = cl.mtime[1];
 386 //                      Con_Printf ("low frac\n");
 387                 }
 388                 frac = 0;
 389         }
 390         else if (frac > 1)
 391         {
 392                 if (frac > 1.01)
 393                 {
 394                         cl.time = cl.mtime[0];
 395 //                      Con_Printf ("high frac\n");
 396                 }
 397                 frac = 1;
 398         }
 399
 400         return frac;
 401 }
 402
 403 float CL_EntityLerpPoint (entity_t *ent)
 404 {
 405         float   f;
 406
 407         if (cl_nolerp.value || cls.timedemo || (sv.active && svs.maxclients == 1))
 408                 return 1;
 409
 410         f = ent->state_current.time - ent->state_previous.time;
 411 //      Con_Printf(" %g-%g=%g", ent->state_current.time, ent->state_previous.time, f);
 412
 413         if (f <= 0)
 414                 return 1;
 415         if (f >= 0.1)
 416                 f = 0.1;
 417
 418 //      Con_Printf(" %g-%g/%g=%f", cl.time, ent->state_previous.time, f, (cl.time - ent->state_previous.time) / f);
 419         f = (cl.time - ent->state_previous.time) / f;
 420         return bound(0, f, 1);
 421 }
 422
 423 void CL_RelinkStaticEntities(void)
 424 {
 425         entity_t *ent, *endent;
 426         if (cl.num_statics > MAX_VISEDICTS)
 427                 Host_Error("CL_RelinkStaticEntities: cl.num_statics > MAX_VISEDICTS??\n");
 428
 429         ent = cl_static_entities;
 430         endent = ent + cl.num_statics;
 431         for (;ent < endent;ent++)
 432                 cl_visedicts[cl_numvisedicts++] = ent;
 433 }
 434
 435 /*
 436 ===============
 437 CL_RelinkEntities
 438 ===============
 439 */
 440 void R_RocketTrail2 (vec3_t start, vec3_t end, int color, entity_t *ent);
 441 void CL_RelinkEntities (void)
 442 {
 443         entity_t        *ent;
 444         int                     i, j, glowcolor, effects;
 445         float           frac, f, d, bobjrotate/*, bobjoffset*/, dlightradius, glowsize;
 446         vec3_t          oldorg, delta, dlightcolor;
 447
 448 // determine partial update time
 449         frac = CL_LerpPoint ();
 450
 451         cl_numvisedicts = 0;
 452
 453         CL_RelinkStaticEntities();
 454
 455 //
 456 // interpolate player info
 457 //
 458         for (i = 0;i < 3;i++)
 459                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
 460
 461         if (cls.demoplayback)
 462         {
 463         // interpolate the angles
 464                 for (j = 0;j < 3;j++)
 465                 {
 466                         d = cl.mviewangles[0][j] - cl.mviewangles[1][j];
 467                         if (d > 180)
 468                                 d -= 360;
 469                         else if (d < -180)
 470                                 d += 360;
 471                         cl.viewangles[j] = cl.mviewangles[1][j] + frac*d;
 472                 }
 473         }
 474
 475         bobjrotate = ANGLEMOD(100*cl.time);
 476 //      bobjoffset = cos(180 * cl.time * M_PI / 180) * 4.0f + 4.0f;
 477
 478 // start on the entity after the world
 479         for (i = 1, ent = cl_entities + 1;i < MAX_EDICTS /*cl.num_entities*/;i++, ent++)
 480         {
 481                 // if the object wasn't included in the latest packet, remove it
 482                 if (!ent->state_current.active)
 483                         continue;
 484
 485                 VectorCopy (ent->render.origin, oldorg);
 486
 487                 if (!ent->state_previous.active)
 488                 {
 489                         // only one state available
 490                         VectorCopy (ent->state_current.origin, ent->render.origin);
 491                         VectorCopy (ent->state_current.angles, ent->render.angles);
 492 //                      Con_Printf(" %i", i);
 493                 }
 494                 else
 495                 {
 496                         // if the delta is large, assume a teleport and don't lerp
 497                         f = CL_EntityLerpPoint(ent);
 498                         if (f < 1)
 499                         {
 500                                 for (j = 0;j < 3;j++)
 501                                 {
 502                                         delta[j] = ent->state_current.origin[j] - ent->state_previous.origin[j];
 503                                         // LordHavoc: increased lerp tolerance from 100 to 200
 504                                         if (delta[j] > 200 || delta[j] < -200)
 505                                                 f = 1;
 506                                 }
 507                         }
 508                         if (f >= 1)
 509                         {
 510                                 // no interpolation
 511                                 VectorCopy (ent->state_current.origin, ent->render.origin);
 512                                 VectorCopy (ent->state_current.angles, ent->render.angles);
 513                         }
 514                         else
 515                         {
 516                                 // interpolate the origin and angles
 517                                 for (j = 0;j < 3;j++)
 518                                 {
 519                                         ent->render.origin[j] = ent->state_previous.origin[j] + f*delta[j];
 520
 521                                         d = ent->state_current.angles[j] - ent->state_previous.angles[j];
 522                                         if (d > 180)
 523                                                 d -= 360;
 524                                         else if (d < -180)
 525                                                 d += 360;
 526                                         ent->render.angles[j] = ent->state_previous.angles[j] + f*d;
 527                                 }
 528                         }
 529                 }
 530
 531                 ent->render.flags = ent->state_current.flags;
 532                 ent->render.effects = effects = ent->state_current.effects;
 533                 ent->render.model = cl.model_precache[ent->state_current.modelindex];
 534                 ent->render.frame = ent->state_current.frame;
 535                 if (cl.scores == NULL || !ent->state_current.colormap)
 536                         ent->render.colormap = -1; // no special coloring
 537                 else
 538                         ent->render.colormap = cl.scores[ent->state_current.colormap - 1].colors; // color it
 539                 ent->render.skinnum = ent->state_current.skin;
 540                 ent->render.alpha = ent->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 541                 ent->render.scale = ent->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 542                 glowsize = ent->state_current.glowsize * 4.0f; // FIXME: interpolate?
 543                 glowcolor = ent->state_current.glowcolor;
 544                 ent->render.colormod[0] = (float) ((ent->state_current.colormod >> 5) & 7) * (1.0f / 7.0f);
 545                 ent->render.colormod[1] = (float) ((ent->state_current.colormod >> 2) & 7) * (1.0f / 7.0f);
 546                 ent->render.colormod[2] = (float) (ent->state_current.colormod & 3) * (1.0f / 3.0f);
 547
 548                 dlightradius = 0;
 549                 dlightcolor[0] = 0;
 550                 dlightcolor[1] = 0;
 551                 dlightcolor[2] = 0;
 552
 553                 // LordHavoc: if the entity has no effects, don't check each
 554                 if (effects)
 555                 {
 556                         if (effects & EF_BRIGHTFIELD)
 557                                 R_EntityParticles (ent);
 558                         if (effects & EF_MUZZLEFLASH)
 559                         {
 560                                 vec3_t v;
 561
 562                                 AngleVectors (ent->render.angles, v, NULL, NULL);
 563
 564                                 v[0] = v[0] * 18 + ent->render.origin[0];
 565                                 v[1] = v[1] * 18 + ent->render.origin[1];
 566                                 v[2] = v[2] * 18 + ent->render.origin[2] + 16;
 567
 568                                 CL_AllocDlight (NULL, v, 100, 1, 1, 1, 0, 0.1);
 569                         }
 570                         if (effects & EF_DIMLIGHT)
 571                         {
 572                                 dlightcolor[0] += 200.0f;
 573                                 dlightcolor[1] += 200.0f;
 574                                 dlightcolor[2] += 200.0f;
 575                         }
 576                         if (effects & EF_BRIGHTLIGHT)
 577                         {
 578                                 dlightcolor[0] += 400.0f;
 579                                 dlightcolor[1] += 400.0f;
 580                                 dlightcolor[2] += 400.0f;
 581                         }
 582                         // LordHavoc: added EF_RED and EF_BLUE
 583                         if (effects & EF_RED) // red
 584                         {
 585                                 dlightcolor[0] += 200.0f;
 586                                 dlightcolor[1] +=  20.0f;
 587                                 dlightcolor[2] +=  20.0f;
 588                         }
 589                         if (effects & EF_BLUE) // blue
 590                         {
 591                                 dlightcolor[0] +=  20.0f;
 592                                 dlightcolor[1] +=  20.0f;
 593                                 dlightcolor[2] += 200.0f;
 594                         }
 595                         else if (effects & EF_FLAME)
 596                         {
 597                                 if (ent->render.model)
 598                                 {
 599                                         vec3_t mins, maxs;
 600                                         int temp;
 601                                         VectorAdd(ent->render.origin, ent->render.model->mins, mins);
 602                                         VectorAdd(ent->render.origin, ent->render.model->maxs, maxs);
 603                                         // how many flames to make
 604                                         temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
 605                                         R_FlameCube(mins, maxs, temp);
 606                                 }
 607                                 d = lhrandom(200, 250);
 608                                 dlightcolor[0] += d * 1.0f;
 609                                 dlightcolor[1] += d * 0.7f;
 610                                 dlightcolor[2] += d * 0.3f;
 611                         }
 612                 }
 613
 614                 // LordHavoc: if the model has no flags, don't check each
 615                 if (ent->render.model && ent->render.model->flags)
 616                 {
 617                         if (ent->render.model->flags & EF_ROTATE)
 618                         {
 619                                 ent->render.angles[1] = bobjrotate;
 620 //                              ent->render.origin[2] += bobjoffset;
 621                         }
 622                         // only do trails if present in the previous frame as well
 623                         if (ent->state_previous.active)
 624                         {
 625                                 if (ent->render.model->flags & EF_GIB)
 626                                         R_RocketTrail (oldorg, ent->render.origin, 2, ent);
 627                                 else if (ent->render.model->flags & EF_ZOMGIB)
 628                                         R_RocketTrail (oldorg, ent->render.origin, 4, ent);
 629                                 else if (ent->render.model->flags & EF_TRACER)
 630                                         R_RocketTrail (oldorg, ent->render.origin, 3, ent);
 631                                 else if (ent->render.model->flags & EF_TRACER2)
 632                                         R_RocketTrail (oldorg, ent->render.origin, 5, ent);
 633                                 else if (ent->render.model->flags & EF_ROCKET)
 634                                 {
 635                                         R_RocketTrail (oldorg, ent->render.origin, 0, ent);
 636                                         dlightcolor[0] += 200.0f;
 637                                         dlightcolor[1] += 160.0f;
 638                                         dlightcolor[2] +=  80.0f;
 639                                 }
 640                                 else if (ent->render.model->flags & EF_GRENADE)
 641                                 {
 642                                         if (ent->render.alpha == -1) // LordHavoc: Nehahra dem compatibility
 643                                                 R_RocketTrail (oldorg, ent->render.origin, 7, ent);
 644                                         else
 645                                                 R_RocketTrail (oldorg, ent->render.origin, 1, ent);
 646                                 }
 647                                 else if (ent->render.model->flags & EF_TRACER3)
 648                                         R_RocketTrail (oldorg, ent->render.origin, 6, ent);
 649                         }
 650                 }
 651                 // LordHavoc: customizable glow
 652                 if (glowsize)
 653                 {
 654                         byte *tempcolor = (byte *)&d_8to24table[glowcolor];
 655                         dlightcolor[0] += glowsize * tempcolor[0] * (1.0f / 255.0f);
 656                         dlightcolor[1] += glowsize * tempcolor[1] * (1.0f / 255.0f);
 657                         dlightcolor[2] += glowsize * tempcolor[2] * (1.0f / 255.0f);
 658                 }
 659                 // LordHavoc: customizable trail
 660                 if (ent->render.flags & RENDER_GLOWTRAIL)
 661                         R_RocketTrail2 (oldorg, ent->render.origin, glowcolor, ent);
 662
 663                 if (dlightcolor[0] || dlightcolor[1] || dlightcolor[2])
 664                 {
 665                         vec3_t vec;
 666                         dlightradius = VectorLength(dlightcolor);
 667                         d = 1.0f / dlightradius;
 668                         VectorCopy(ent->render.origin, vec);
 669                         if (i == cl.viewentity && !chase_active.value)
 670                                 vec[2] += 30;
 671                         CL_AllocDlight (ent, vec, dlightradius, dlightcolor[0] * d, dlightcolor[1] * d, dlightcolor[2] * d, 0, 0);
 672                 }
 673
 674                 if (chase_active.value)
 675                 {
 676                         if (ent->render.flags & RENDER_VIEWMODEL)
 677                                 continue;
 678                 }
 679                 else
 680                 {
 681                         if (i == cl.viewentity || (ent->render.flags & RENDER_EXTERIORMODEL))
 682                                 continue;
 683                 }
 684
 685                 if (ent->render.model == NULL)
 686                         continue;
 687                 if (effects & EF_NODRAW)
 688                         continue;
 689                 if (cl_numvisedicts < MAX_VISEDICTS)
 690                         cl_visedicts[cl_numvisedicts++] = ent;
 691         }
 692 //      Con_Printf("\n");
 693 }
 694
 695
 696 /*
 697 ===============
 698 CL_ReadFromServer
 699
 700 Read all incoming data from the server
 701 ===============
 702 */
 703 int CL_ReadFromServer (void)
 704 {
 705         int ret, netshown;
 706
 707         cl.oldtime = cl.time;
 708         cl.time += cl.frametime;
 709
 710         netshown = false;
 711         do
 712         {
 713                 ret = CL_GetMessage ();
 714                 if (ret == -1)
 715                         Host_Error ("CL_ReadFromServer: lost server connection");
 716                 if (!ret)
 717                         break;
 718
 719                 cl.last_received_message = realtime;
 720
 721                 if (cl_shownet.value)
 722                         netshown = true;
 723
 724                 CL_ParseServerMessage ();
 725         }
 726         while (ret && cls.state == ca_connected);
 727
 728         if (netshown)
 729                 Con_Printf ("\n");
 730
 731         CL_RelinkEntities ();
 732         CL_UpdateTEnts ();
 733         CL_DoEffects ();
 734
 735 //
 736 // bring the links up to date
 737 //
 738         return 0;
 739 }
 740
 741 /*
 742 =================
 743 CL_SendCmd
 744 =================
 745 */
 746 void CL_SendCmd (void)
 747 {
 748         usercmd_t               cmd;
 749
 750         if (cls.state != ca_connected)
 751                 return;
 752
 753         if (cls.signon == SIGNONS)
 754         {
 755         // get basic movement from keyboard
 756                 CL_BaseMove (&cmd);
 757
 758         // allow mice or other external controllers to add to the move
 759                 IN_Move (&cmd);
 760
 761         // send the unreliable message
 762                 CL_SendMove (&cmd);
 763         }
 764
 765         if (cls.demoplayback)
 766         {
 767                 SZ_Clear (&cls.message);
 768                 return;
 769         }
 770
 771 // send the reliable message
 772         if (!cls.message.cursize)
 773                 return;         // no message at all
 774
 775         if (!NET_CanSendMessage (cls.netcon))
 776         {
 777                 Con_DPrintf ("CL_WriteToServer: can't send\n");
 778                 return;
 779         }
 780
 781         if (NET_SendMessage (cls.netcon, &cls.message) == -1)
 782                 Host_Error ("CL_WriteToServer: lost server connection");
 783
 784         SZ_Clear (&cls.message);
 785 }
 786
 787 // LordHavoc: pausedemo command
 788 void CL_PauseDemo_f (void)
 789 {
 790         cls.demopaused = !cls.demopaused;
 791         if (cls.demopaused)
 792                 Con_Printf("Demo paused\n");
 793         else
 794                 Con_Printf("Demo unpaused\n");
 795 }
 796
 797 /*
 798 ======================
 799 CL_PModel_f
 800 LordHavoc: Intended for Nehahra, I personally think this is dumb, but Mindcrime won't listen.
 801 ======================
 802 */
 803 void CL_PModel_f (void)
 804 {
 805         int i;
 806         eval_t *val;
 807
 808         if (Cmd_Argc () == 1)
 809         {
 810                 Con_Printf ("\"pmodel\" is \"%s\"\n", cl_pmodel.string);
 811                 return;
 812         }
 813         i = atoi(Cmd_Argv(1));
 814
 815         if (cmd_source == src_command)
 816         {
 817                 if (cl_pmodel.value == i)
 818                         return;
 819                 Cvar_SetValue ("_cl_pmodel", i);
 820                 if (cls.state == ca_connected)
 821                         Cmd_ForwardToServer ();
 822                 return;
 823         }
 824
 825         host_client->pmodel = i;
 826         if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_pmodel)))
 827                 val->_float = i;
 828 }
 829
 830 /*
 831 ======================
 832 CL_Fog_f
 833 ======================
 834 */
 835 void CL_Fog_f (void)
 836 {
 837         if (Cmd_Argc () == 1)
 838         {
 839                 Con_Printf ("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
 840                 return;
 841         }
 842         fog_density = atof(Cmd_Argv(1));
 843         fog_red = atof(Cmd_Argv(2));
 844         fog_green = atof(Cmd_Argv(3));
 845         fog_blue = atof(Cmd_Argv(4));
 846 }
 847
 848 /*
 849 =================
 850 CL_Init
 851 =================
 852 */
 853 void CL_Init (void)
 854 {
 855         SZ_Alloc (&cls.message, 1024);
 856
 857         CL_InitInput ();
 858         CL_InitTEnts ();
 859
 860 //
 861 // register our commands
 862 //
 863         Cvar_RegisterVariable (&cl_name);
 864         Cvar_RegisterVariable (&cl_color);
 865         Cvar_RegisterVariable (&cl_pmodel);
 866         Cvar_RegisterVariable (&cl_upspeed);
 867         Cvar_RegisterVariable (&cl_forwardspeed);
 868         Cvar_RegisterVariable (&cl_backspeed);
 869         Cvar_RegisterVariable (&cl_sidespeed);
 870         Cvar_RegisterVariable (&cl_movespeedkey);
 871         Cvar_RegisterVariable (&cl_yawspeed);
 872         Cvar_RegisterVariable (&cl_pitchspeed);
 873         Cvar_RegisterVariable (&cl_anglespeedkey);
 874         Cvar_RegisterVariable (&cl_shownet);
 875         Cvar_RegisterVariable (&cl_nolerp);
 876         Cvar_RegisterVariable (&lookspring);
 877         Cvar_RegisterVariable (&lookstrafe);
 878         Cvar_RegisterVariable (&sensitivity);
 879         Cvar_RegisterVariable (&freelook);
 880
 881         Cvar_RegisterVariable (&m_pitch);
 882         Cvar_RegisterVariable (&m_yaw);
 883         Cvar_RegisterVariable (&m_forward);
 884         Cvar_RegisterVariable (&m_side);
 885
 886 //      Cvar_RegisterVariable (&cl_autofire);
 887
 888         Cmd_AddCommand ("entities", CL_PrintEntities_f);
 889         Cmd_AddCommand ("bitprofile", CL_BitProfile_f);
 890         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
 891         Cmd_AddCommand ("record", CL_Record_f);
 892         Cmd_AddCommand ("stop", CL_Stop_f);
 893         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
 894         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
 895
 896         Cmd_AddCommand ("fog", CL_Fog_f);
 897
 898         // LordHavoc: added pausedemo
 899         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
 900         // LordHavoc: added pmodel command (like name, etc, only intended for Nehahra)
 901         Cmd_AddCommand ("pmodel", CL_PModel_f);
 902
 903         CL_Parse_Init();
 904 }
 905