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 // bring the console down and fade the colors back to normal
 115 //      SCR_BringDownConsole ();
 116
 117 // if running a local server, shut it down
 118         if (cls.demoplayback)
 119                 CL_StopPlayback ();
 120         else if (cls.state == ca_connected)
 121         {
 122                 if (cls.demorecording)
 123                         CL_Stop_f ();
 124
 125                 Con_DPrintf ("Sending clc_disconnect\n");
 126                 SZ_Clear (&cls.message);
 127                 MSG_WriteByte (&cls.message, clc_disconnect);
 128                 NET_SendUnreliableMessage (cls.netcon, &cls.message);
 129                 SZ_Clear (&cls.message);
 130                 NET_Close (cls.netcon);
 131
 132                 cls.state = ca_disconnected;
 133                 if (sv.active)
 134                         Host_ShutdownServer(false);
 135         }
 136
 137         cls.demoplayback = cls.timedemo = false;
 138         cls.signon = 0;
 139 }
 140
 141 void CL_Disconnect_f (void)
 142 {
 143         CL_Disconnect ();
 144         if (sv.active)
 145                 Host_ShutdownServer (false);
 146 }
 147
 148
 149
 150
 151 /*
 152 =====================
 153 CL_EstablishConnection
 154
 155 Host should be either "local" or a net address to be passed on
 156 =====================
 157 */
 158 void CL_EstablishConnection (char *host)
 159 {
 160         if (cls.state == ca_dedicated)
 161                 return;
 162
 163         if (cls.demoplayback)
 164                 return;
 165
 166         CL_Disconnect ();
 167
 168         cls.netcon = NET_Connect (host);
 169         if (!cls.netcon)
 170                 Host_Error ("CL_Connect: connect failed\n");
 171         Con_DPrintf ("CL_EstablishConnection: connected to %s\n", host);
 172
 173         cls.demonum = -1;                       // not in the demo loop now
 174         cls.state = ca_connected;
 175         cls.signon = 0;                         // need all the signon messages before playing
 176 }
 177
 178 /*
 179 =====================
 180 CL_SignonReply
 181
 182 An svc_signonnum has been received, perform a client side setup
 183 =====================
 184 */
 185 void CL_SignonReply (void)
 186 {
 187         char    str[8192];
 188
 189 Con_DPrintf ("CL_SignonReply: %i\n", cls.signon);
 190
 191         switch (cls.signon)
 192         {
 193         case 1:
 194                 MSG_WriteByte (&cls.message, clc_stringcmd);
 195                 MSG_WriteString (&cls.message, "prespawn");
 196                 break;
 197
 198         case 2:
 199                 MSG_WriteByte (&cls.message, clc_stringcmd);
 200                 MSG_WriteString (&cls.message, va("name \"%s\"\n", cl_name.string));
 201
 202                 MSG_WriteByte (&cls.message, clc_stringcmd);
 203                 MSG_WriteString (&cls.message, va("color %i %i\n", ((int)cl_color.value)>>4, ((int)cl_color.value)&15));
 204
 205                 if (cl_pmodel.value)
 206                 {
 207                         MSG_WriteByte (&cls.message, clc_stringcmd);
 208                         MSG_WriteString (&cls.message, va("pmodel %f\n", cl_pmodel.value));
 209                 }
 210
 211                 MSG_WriteByte (&cls.message, clc_stringcmd);
 212                 sprintf (str, "spawn %s", cls.spawnparms);
 213                 MSG_WriteString (&cls.message, str);
 214                 break;
 215
 216         case 3:
 217                 MSG_WriteByte (&cls.message, clc_stringcmd);
 218                 MSG_WriteString (&cls.message, "begin");
 219                 Cache_Report ();                // print remaining memory
 220                 break;
 221
 222         case 4:
 223                 SCR_EndLoadingPlaque ();                // allow normal screen updates
 224                 break;
 225         }
 226 }
 227
 228 /*
 229 =====================
 230 CL_NextDemo
 231
 232 Called to play the next demo in the demo loop
 233 =====================
 234 */
 235 void CL_NextDemo (void)
 236 {
 237         char    str[1024];
 238
 239         if (cls.demonum == -1)
 240                 return;         // don't play demos
 241
 242         SCR_BeginLoadingPlaque ();
 243
 244         if (!cls.demos[cls.demonum][0] || cls.demonum == MAX_DEMOS)
 245         {
 246                 cls.demonum = 0;
 247                 if (!cls.demos[cls.demonum][0])
 248                 {
 249                         Con_Printf ("No demos listed with startdemos\n");
 250                         cls.demonum = -1;
 251                         return;
 252                 }
 253         }
 254
 255         sprintf (str,"playdemo %s\n", cls.demos[cls.demonum]);
 256         Cbuf_InsertText (str);
 257         cls.demonum++;
 258 }
 259
 260 /*
 261 ==============
 262 CL_PrintEntities_f
 263 ==============
 264 */
 265 void CL_PrintEntities_f (void)
 266 {
 267         entity_t        *ent;
 268         int                     i;
 269
 270         for (i = 0, ent = cl_entities;i < MAX_EDICTS /*cl.num_entities*/;i++, ent++)
 271         {
 272                 Con_Printf ("%3i:", i);
 273                 if (!ent->render.model)
 274                 {
 275                         Con_Printf ("EMPTY\n");
 276                         continue;
 277                 }
 278                 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]);
 279         }
 280 }
 281
 282
 283 /*
 284 ===============
 285 CL_AllocDlight
 286
 287 ===============
 288 */
 289 void CL_AllocDlight (entity_t *ent, vec3_t org, float radius, float red, float green, float blue, float decay, float lifetime)
 290 {
 291         int             i;
 292         dlight_t        *dl;
 293
 294 // first look for an exact key match
 295         if (ent)
 296         {
 297                 dl = cl_dlights;
 298                 for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 299                         if (dl->ent == ent)
 300                                 goto dlightsetup;
 301         }
 302
 303 // then look for anything else
 304         dl = cl_dlights;
 305         for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 306                 if (!dl->radius)
 307                         goto dlightsetup;
 308
 309         // unable to find one
 310         return;
 311
 312 dlightsetup:
 313         memset (dl, 0, sizeof(*dl));
 314         dl->ent = ent;
 315         VectorCopy(org, dl->origin);
 316         dl->radius = radius;
 317         dl->color[0] = red;
 318         dl->color[1] = green;
 319         dl->color[2] = blue;
 320         dl->decay = decay;
 321         dl->die = cl.time + lifetime;
 322 }
 323
 324
 325 /*
 326 ===============
 327 CL_DecayLights
 328
 329 ===============
 330 */
 331 void CL_DecayLights (void)
 332 {
 333         int                     i;
 334         dlight_t        *dl;
 335         float           time;
 336
 337         time = cl.time - cl.oldtime;
 338
 339         c_dlights = 0;
 340         dl = cl_dlights;
 341         for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
 342         {
 343                 if (!dl->radius)
 344                         continue;
 345                 if (dl->die < cl.time)
 346                 {
 347                         dl->radius = 0;
 348                         continue;
 349                 }
 350
 351                 c_dlights++; // count every dlight in use
 352
 353                 dl->radius -= time*dl->decay;
 354                 if (dl->radius < 0)
 355                         dl->radius = 0;
 356         }
 357 }
 358
 359
 360 /*
 361 ===============
 362 CL_LerpPoint
 363
 364 Determines the fraction between the last two messages that the objects
 365 should be put at.
 366 ===============
 367 */
 368 float   CL_LerpPoint (void)
 369 {
 370         float   f, frac;
 371
 372         f = cl.mtime[0] - cl.mtime[1];
 373
 374         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 375         if (!f || cl_nolerp.value || cls.timedemo || (sv.active && svs.maxclients == 1))
 376         {
 377                 cl.time = cl.mtime[0];
 378                 return 1;
 379         }
 380
 381         if (f > 0.1)
 382         {       // dropped packet, or start of demo
 383                 cl.mtime[1] = cl.mtime[0] - 0.1;
 384                 f = 0.1;
 385         }
 386         frac = (cl.time - cl.mtime[1]) / f;
 387 //Con_Printf ("frac: %f\n",frac);
 388         if (frac < 0)
 389         {
 390                 if (frac < -0.01)
 391                 {
 392                         cl.time = cl.mtime[1];
 393 //                              Con_Printf ("low frac\n");
 394                 }
 395                 frac = 0;
 396         }
 397         else if (frac > 1)
 398         {
 399                 if (frac > 1.01)
 400                 {
 401                         cl.time = cl.mtime[0];
 402 //                              Con_Printf ("high frac\n");
 403                 }
 404                 frac = 1;
 405         }
 406
 407         return frac;
 408 }
 409
 410 float CL_EntityLerpPoint (entity_t *ent)
 411 {
 412         float   f;
 413
 414         if (cl_nolerp.value || cls.timedemo || (sv.active && svs.maxclients == 1))
 415                 return 1;
 416
 417         f = ent->state_current.time - ent->state_previous.time;
 418 //      Con_Printf(" %g-%g=%g", ent->state_current.time, ent->state_previous.time, f);
 419
 420         if (f <= 0)
 421                 return 1;
 422         if (f >= 0.1)
 423                 f = 0.1;
 424
 425 //      Con_Printf(" %g-%g/%g=%f", cl.time, ent->state_previous.time, f, (cl.time - ent->state_previous.time) / f);
 426         f = (cl.time - ent->state_previous.time) / f;
 427         return bound(0, f, 1);
 428 }
 429
 430
 431 /*
 432 ===============
 433 CL_RelinkEntities
 434 ===============
 435 */
 436 void R_RocketTrail2 (vec3_t start, vec3_t end, int color, entity_t *ent);
 437 void CL_RelinkEntities (void)
 438 {
 439         entity_t        *ent;
 440         int                     i, j;
 441         float           frac, f, d;
 442         vec3_t          delta;
 443         float           bobjrotate;
 444 //      float           bobjoffset;
 445         vec3_t          oldorg;
 446
 447 // determine partial update time
 448         frac = CL_LerpPoint ();
 449
 450         cl_numvisedicts = 0;
 451
 452 //
 453 // interpolate player info
 454 //
 455         for (i = 0;i < 3;i++)
 456                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
 457
 458         if (cls.demoplayback)
 459         {
 460         // interpolate the angles
 461                 for (j = 0;j < 3;j++)
 462                 {
 463                         d = cl.mviewangles[0][j] - cl.mviewangles[1][j];
 464                         if (d > 180)
 465                                 d -= 360;
 466                         else if (d < -180)
 467                                 d += 360;
 468                         cl.viewangles[j] = cl.mviewangles[1][j] + frac*d;
 469                 }
 470         }
 471
 472         bobjrotate = ANGLEMOD(100*cl.time);
 473 //      bobjoffset = cos(180 * cl.time * M_PI / 180) * 4.0f + 4.0f;
 474
 475 // start on the entity after the world
 476         for (i = 1, ent = cl_entities + 1;i < MAX_EDICTS /*cl.num_entities*/;i++, ent++)
 477         {
 478                 // if the object wasn't included in the latest packet, remove it
 479                 if (!ent->state_current.modelindex)
 480                         continue;
 481
 482                 VectorCopy (ent->render.origin, oldorg);
 483
 484                 if (!ent->state_previous.modelindex)
 485                 {
 486                         // only one state available
 487                         VectorCopy (ent->state_current.origin, ent->render.origin);
 488                         VectorCopy (ent->state_current.angles, ent->render.angles);
 489 //                      Con_Printf(" %i", i);
 490                 }
 491                 else
 492                 {
 493                         // if the delta is large, assume a teleport and don't lerp
 494                         f = CL_EntityLerpPoint(ent);
 495                         if (f < 1)
 496                         {
 497                                 for (j = 0;j < 3;j++)
 498                                 {
 499                                         delta[j] = ent->state_current.origin[j] - ent->state_previous.origin[j];
 500                                         // LordHavoc: increased lerp tolerance from 100 to 200
 501                                         if (delta[j] > 200 || delta[j] < -200)
 502                                                 f = 1;
 503                                 }
 504                         }
 505                         if (f >= 1)
 506                         {
 507                                 // no interpolation
 508                                 VectorCopy (ent->state_current.origin, ent->render.origin);
 509                                 VectorCopy (ent->state_current.angles, ent->render.angles);
 510                         }
 511                         else
 512                         {
 513                                 // interpolate the origin and angles
 514                                 for (j = 0;j < 3;j++)
 515                                 {
 516                                         ent->render.origin[j] = ent->state_previous.origin[j] + f*delta[j];
 517
 518                                         d = ent->state_current.angles[j] - ent->state_previous.angles[j];
 519                                         if (d > 180)
 520                                                 d -= 360;
 521                                         else if (d < -180)
 522                                                 d += 360;
 523                                         ent->render.angles[j] = ent->state_previous.angles[j] + f*d;
 524                                 }
 525                         }
 526                 }
 527
 528                 ent->render.flags = ent->state_current.flags;
 529                 ent->render.effects = ent->state_current.effects;
 530                 ent->render.model = cl.model_precache[ent->state_current.modelindex];
 531                 ent->render.frame = ent->state_current.frame;
 532                 if (cl.scores == NULL || !ent->state_current.colormap)
 533                         ent->render.colormap = -1; // no special coloring
 534                 else
 535                         ent->render.colormap = cl.scores[ent->state_current.colormap - 1].colors; // color it
 536                 ent->render.skinnum = ent->state_current.skin;
 537                 ent->render.alpha = ent->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 538                 ent->render.scale = ent->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 539                 ent->render.glowsize = ent->state_current.glowsize * 4.0f; // FIXME: interpolate?
 540                 ent->render.glowcolor = ent->state_current.glowcolor;
 541                 ent->render.colormod[0] = (float) ((ent->state_current.colormod >> 5) & 7) * (1.0f / 7.0f);
 542                 ent->render.colormod[1] = (float) ((ent->state_current.colormod >> 2) & 7) * (1.0f / 7.0f);
 543                 ent->render.colormod[2] = (float) (ent->state_current.colormod & 3) * (1.0f / 3.0f);
 544
 545                 // LordHavoc: if the entity has no effects, don't check each
 546                 if (ent->render.effects)
 547                 {
 548                         if (ent->render.effects & EF_BRIGHTFIELD)
 549                                 R_EntityParticles (ent);
 550                         if (ent->render.effects & EF_MUZZLEFLASH)
 551                         {
 552                                 vec3_t v;
 553
 554                                 AngleVectors (ent->render.angles, v, NULL, NULL);
 555
 556                                 v[0] = v[0] * 18 + ent->render.origin[0];
 557                                 v[1] = v[1] * 18 + ent->render.origin[1];
 558                                 v[2] = v[2] * 18 + ent->render.origin[2] + 16;
 559
 560                                 CL_AllocDlight (ent, v, 100, 1, 1, 1, 0, 0.1);
 561                         }
 562                         if (ent->render.effects & EF_BRIGHTLIGHT)
 563                                 CL_AllocDlight (ent, ent->render.origin, 400, 1, 1, 1, 0, 0);
 564                         if (ent->render.effects & EF_DIMLIGHT)
 565                                 CL_AllocDlight (ent, ent->render.origin, 200, 1, 1, 1, 0, 0);
 566                         // LordHavoc: added EF_RED and EF_BLUE
 567                         if (ent->render.effects & EF_RED) // red
 568                         {
 569                                 if (ent->render.effects & EF_BLUE) // magenta
 570                                         CL_AllocDlight (ent, ent->render.origin, 200, 1.0f, 0.2f, 1.0f, 0, 0);
 571                                 else // red
 572                                         CL_AllocDlight (ent, ent->render.origin, 200, 1.0f, 0.1f, 0.1f, 0, 0);
 573                         }
 574                         else if (ent->render.effects & EF_BLUE) // blue
 575                                 CL_AllocDlight (ent, ent->render.origin, 200, 0.1f, 0.1f, 1.0f, 0, 0);
 576                         else if (ent->render.effects & EF_FLAME)
 577                         {
 578                                 if (ent->render.model)
 579                                 {
 580                                         vec3_t mins, maxs;
 581                                         int temp;
 582                                         VectorAdd(ent->render.origin, ent->render.model->mins, mins);
 583                                         VectorAdd(ent->render.origin, ent->render.model->maxs, maxs);
 584                                         // how many flames to make
 585                                         temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
 586                                         R_FlameCube(mins, maxs, temp);
 587                                 }
 588                                 CL_AllocDlight (ent, ent->render.origin, lhrandom(200, 250), 1.0f, 0.7f, 0.3f, 0, 0);
 589                         }
 590                 }
 591
 592                 // LordHavoc: if the model has no flags, don't check each
 593                 if (ent->render.model && ent->render.model->flags)
 594                 {
 595                         if (ent->render.model->flags & EF_ROTATE)
 596                         {
 597                                 ent->render.angles[1] = bobjrotate;
 598 //                              ent->render.origin[2] += bobjoffset;
 599                         }
 600                         // only do trails if present in the previous frame as well
 601                         if (ent->state_previous.modelindex)
 602                         {
 603                                 if (ent->render.model->flags & EF_GIB)
 604                                         R_RocketTrail (oldorg, ent->render.origin, 2, ent);
 605                                 else if (ent->render.model->flags & EF_ZOMGIB)
 606                                         R_RocketTrail (oldorg, ent->render.origin, 4, ent);
 607                                 else if (ent->render.model->flags & EF_TRACER)
 608                                         R_RocketTrail (oldorg, ent->render.origin, 3, ent);
 609                                 else if (ent->render.model->flags & EF_TRACER2)
 610                                         R_RocketTrail (oldorg, ent->render.origin, 5, ent);
 611                                 else if (ent->render.model->flags & EF_ROCKET)
 612                                 {
 613                                         R_RocketTrail (oldorg, ent->render.origin, 0, ent);
 614                                         CL_AllocDlight (ent, ent->render.origin, 200, 1.0f, 0.8f, 0.4f, 0, 0);
 615                                 }
 616                                 else if (ent->render.model->flags & EF_GRENADE)
 617                                 {
 618                                         if (ent->render.alpha == -1) // LordHavoc: Nehahra dem compatibility
 619                                                 R_RocketTrail (oldorg, ent->render.origin, 7, ent);
 620                                         else
 621                                                 R_RocketTrail (oldorg, ent->render.origin, 1, ent);
 622                                 }
 623                                 else if (ent->render.model->flags & EF_TRACER3)
 624                                         R_RocketTrail (oldorg, ent->render.origin, 6, ent);
 625                         }
 626                 }
 627                 if (ent->render.glowsize) // LordHavoc: customizable glow
 628                 {
 629                         byte *tempcolor = (byte *)&d_8to24table[ent->render.glowcolor];
 630                         CL_AllocDlight (ent, ent->render.origin, ent->render.glowsize, tempcolor[0]*(1.0/255.0), tempcolor[1]*(1.0/255.0), tempcolor[2]*(1.0/255.0), 0, 0);
 631                 }
 632                 if (ent->render.flags & RENDER_GLOWTRAIL) // LordHavoc: customizable glow and trail
 633                         R_RocketTrail2 (oldorg, ent->render.origin, ent->render.glowcolor, ent);
 634
 635                 if (i == cl.viewentity && !chase_active.value)
 636                         continue;
 637
 638                 if (ent->render.model == NULL)
 639                         continue;
 640                 if (ent->render.effects & EF_NODRAW)
 641                         continue;
 642                 if (cl_numvisedicts < MAX_VISEDICTS)
 643                         cl_visedicts[cl_numvisedicts++] = ent;
 644         }
 645 //      Con_Printf("\n");
 646 }
 647
 648
 649 // used by cl_shownet
 650 int netshown;
 651
 652 /*
 653 ===============
 654 CL_ReadFromServer
 655
 656 Read all incoming data from the server
 657 ===============
 658 */
 659 int CL_ReadFromServer (void)
 660 {
 661         int             ret;
 662
 663         cl.oldtime = cl.time;
 664         cl.time += cl.frametime;
 665
 666         netshown = false;
 667         do
 668         {
 669                 ret = CL_GetMessage ();
 670                 if (ret == -1)
 671                         Host_Error ("CL_ReadFromServer: lost server connection");
 672                 if (!ret)
 673                         break;
 674
 675                 cl.last_received_message = realtime;
 676                 CL_ParseServerMessage ();
 677         } while (ret && cls.state == ca_connected);
 678
 679         if (netshown)
 680                 Con_Printf ("\n");
 681
 682         CL_RelinkEntities ();
 683         CL_UpdateTEnts ();
 684         CL_DoEffects ();
 685
 686 //
 687 // bring the links up to date
 688 //
 689         return 0;
 690 }
 691
 692 /*
 693 =================
 694 CL_SendCmd
 695 =================
 696 */
 697 void CL_SendCmd (void)
 698 {
 699         usercmd_t               cmd;
 700
 701         if (cls.state != ca_connected)
 702                 return;
 703
 704         if (cls.signon == SIGNONS)
 705         {
 706         // get basic movement from keyboard
 707                 CL_BaseMove (&cmd);
 708
 709         // allow mice or other external controllers to add to the move
 710                 IN_Move (&cmd);
 711
 712         // send the unreliable message
 713                 CL_SendMove (&cmd);
 714         }
 715
 716         if (cls.demoplayback)
 717         {
 718                 SZ_Clear (&cls.message);
 719                 return;
 720         }
 721
 722 // send the reliable message
 723         if (!cls.message.cursize)
 724                 return;         // no message at all
 725
 726         if (!NET_CanSendMessage (cls.netcon))
 727         {
 728                 Con_DPrintf ("CL_WriteToServer: can't send\n");
 729                 return;
 730         }
 731
 732         if (NET_SendMessage (cls.netcon, &cls.message) == -1)
 733                 Host_Error ("CL_WriteToServer: lost server connection");
 734
 735         SZ_Clear (&cls.message);
 736 }
 737
 738 // LordHavoc: pausedemo command
 739 void CL_PauseDemo_f (void)
 740 {
 741         cls.demopaused = !cls.demopaused;
 742         if (cls.demopaused)
 743                 Con_Printf("Demo paused\n");
 744         else
 745                 Con_Printf("Demo unpaused\n");
 746 }
 747
 748 /*
 749 ======================
 750 CL_PModel_f
 751 LordHavoc: Intended for Nehahra, I personally think this is dumb, but Mindcrime won't listen.
 752 ======================
 753 */
 754 void CL_PModel_f (void)
 755 {
 756         int i;
 757         eval_t *val;
 758
 759         if (Cmd_Argc () == 1)
 760         {
 761                 Con_Printf ("\"pmodel\" is \"%s\"\n", cl_pmodel.string);
 762                 return;
 763         }
 764         i = atoi(Cmd_Argv(1));
 765
 766         if (cmd_source == src_command)
 767         {
 768                 if (cl_pmodel.value == i)
 769                         return;
 770                 Cvar_SetValue ("_cl_pmodel", i);
 771                 if (cls.state == ca_connected)
 772                         Cmd_ForwardToServer ();
 773                 return;
 774         }
 775
 776         host_client->pmodel = i;
 777         if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_pmodel)))
 778                 val->_float = i;
 779 }
 780
 781 /*
 782 ======================
 783 CL_Fog_f
 784 ======================
 785 */
 786 void CL_Fog_f (void)
 787 {
 788         if (Cmd_Argc () == 1)
 789         {
 790                 Con_Printf ("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
 791                 return;
 792         }
 793         fog_density = atof(Cmd_Argv(1));
 794         fog_red = atof(Cmd_Argv(2));
 795         fog_green = atof(Cmd_Argv(3));
 796         fog_blue = atof(Cmd_Argv(4));
 797 }
 798
 799 cvar_t demo_nehahra = {"demo_nehahra", "0"};
 800
 801 /*
 802 =================
 803 CL_Init
 804 =================
 805 */
 806 void CL_Init (void)
 807 {
 808         SZ_Alloc (&cls.message, 1024);
 809
 810         CL_InitInput ();
 811         CL_InitTEnts ();
 812
 813 //
 814 // register our commands
 815 //
 816         Cvar_RegisterVariable (&cl_name);
 817         Cvar_RegisterVariable (&cl_color);
 818         Cvar_RegisterVariable (&cl_pmodel);
 819         Cvar_RegisterVariable (&cl_upspeed);
 820         Cvar_RegisterVariable (&cl_forwardspeed);
 821         Cvar_RegisterVariable (&cl_backspeed);
 822         Cvar_RegisterVariable (&cl_sidespeed);
 823         Cvar_RegisterVariable (&cl_movespeedkey);
 824         Cvar_RegisterVariable (&cl_yawspeed);
 825         Cvar_RegisterVariable (&cl_pitchspeed);
 826         Cvar_RegisterVariable (&cl_anglespeedkey);
 827         Cvar_RegisterVariable (&cl_shownet);
 828         Cvar_RegisterVariable (&cl_nolerp);
 829         Cvar_RegisterVariable (&lookspring);
 830         Cvar_RegisterVariable (&lookstrafe);
 831         Cvar_RegisterVariable (&sensitivity);
 832
 833         Cvar_RegisterVariable (&m_pitch);
 834         Cvar_RegisterVariable (&m_yaw);
 835         Cvar_RegisterVariable (&m_forward);
 836         Cvar_RegisterVariable (&m_side);
 837
 838 //      Cvar_RegisterVariable (&cl_autofire);
 839
 840         Cmd_AddCommand ("entities", CL_PrintEntities_f);
 841         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
 842         Cmd_AddCommand ("record", CL_Record_f);
 843         Cmd_AddCommand ("stop", CL_Stop_f);
 844         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
 845         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
 846
 847         Cmd_AddCommand ("fog", CL_Fog_f);
 848
 849         // LordHavoc: added pausedemo
 850         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
 851         // LordHavoc: added pmodel command (like name, etc, only intended for Nehahra)
 852         Cmd_AddCommand ("pmodel", CL_PModel_f);
 853         // LordHavoc: added demo_nehahra cvar
 854         Cvar_RegisterVariable (&demo_nehahra);
 855         if (nehahra)
 856                 Cvar_SetValue("demo_nehahra", 1);
 857 }
 858