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].baseline.alpha = 255;
  86                 cl_entities[i].baseline.scale = 16;
  87                 cl_entities[i].baseline.glowsize = 0;
  88                 cl_entities[i].baseline.glowcolor = 254;
  89                 cl_entities[i].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<cl.num_entities ; i++,ent++)
 271         {
 272                 Con_Printf ("%3i:",i);
 273                 if (!ent->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->model->name, ent->frame, ent->origin[0], ent->origin[1], ent->origin[2], ent->angles[0], ent->angles[1], ent->angles[2]);
 279         }
 280 }
 281
 282
 283 /*
 284 ===============
 285 CL_AllocDlight
 286
 287 ===============
 288 */
 289 dlight_t *CL_AllocDlight (int key)
 290 {
 291         int             i;
 292         dlight_t        *dl;
 293
 294 // first look for an exact key match
 295         if (key)
 296         {
 297                 dl = cl_dlights;
 298                 for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
 299                 {
 300                         if (dl->key == key)
 301                         {
 302                                 memset (dl, 0, sizeof(*dl));
 303                                 dl->key = key;
 304                                 return dl;
 305                         }
 306                 }
 307         }
 308
 309 // then look for anything else
 310         dl = cl_dlights;
 311         for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
 312         {
 313                 if (dl->die < cl.time)
 314                 {
 315                         memset (dl, 0, sizeof(*dl));
 316                         dl->key = key;
 317                         return dl;
 318                 }
 319         }
 320
 321         dl = &cl_dlights[0];
 322         memset (dl, 0, sizeof(*dl));
 323         dl->key = key;
 324         return dl;
 325 }
 326
 327
 328 /*
 329 ===============
 330 CL_DecayLights
 331
 332 ===============
 333 */
 334 void CL_DecayLights (void)
 335 {
 336         int                     i;
 337         dlight_t        *dl;
 338         float           time;
 339
 340         time = cl.time - cl.oldtime;
 341
 342         c_dlights = 0;
 343         dl = cl_dlights;
 344         for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
 345         {
 346                 if (dl->die < cl.time || !dl->radius)
 347                         continue;
 348
 349                 c_dlights++; // count every dlight in use
 350
 351                 dl->radius -= time*dl->decay;
 352                 if (dl->radius < 0)
 353                         dl->radius = 0;
 354         }
 355 }
 356
 357
 358 /*
 359 ===============
 360 CL_LerpPoint
 361
 362 Determines the fraction between the last two messages that the objects
 363 should be put at.
 364 ===============
 365 */
 366 float   CL_LerpPoint (void)
 367 {
 368         float   f, frac;
 369
 370         f = cl.mtime[0] - cl.mtime[1];
 371
 372         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 373         if (!f || cl_nolerp.value || cls.timedemo || (sv.active && svs.maxclients == 1))
 374         {
 375                 cl.time = cl.mtime[0];
 376                 return 1;
 377         }
 378
 379         if (f > 0.1)
 380         {       // dropped packet, or start of demo
 381                 cl.mtime[1] = cl.mtime[0] - 0.1;
 382                 f = 0.1;
 383         }
 384         frac = (cl.time - cl.mtime[1]) / f;
 385 //Con_Printf ("frac: %f\n",frac);
 386         if (frac < 0)
 387         {
 388                 if (frac < -0.01)
 389                 {
 390                         cl.time = cl.mtime[1];
 391 //                              Con_Printf ("low frac\n");
 392                 }
 393                 frac = 0;
 394         }
 395         else if (frac > 1)
 396         {
 397                 if (frac > 1.01)
 398                 {
 399                         cl.time = cl.mtime[0];
 400 //                              Con_Printf ("high frac\n");
 401                 }
 402                 frac = 1;
 403         }
 404
 405         return frac;
 406 }
 407
 408
 409 /*
 410 ===============
 411 CL_RelinkEntities
 412 ===============
 413 */
 414 void R_RocketTrail2 (vec3_t start, vec3_t end, int color, entity_t *ent);
 415 void CL_RelinkEntities (void)
 416 {
 417         entity_t        *ent;
 418         int                     i, j;
 419         float           frac, f, d;
 420         vec3_t          delta;
 421         float           bobjrotate;
 422         vec3_t          oldorg;
 423         dlight_t        *dl;
 424         byte            *tempcolor;
 425
 426 // determine partial update time
 427         frac = CL_LerpPoint ();
 428
 429         cl_numvisedicts = 0;
 430
 431 //
 432 // interpolate player info
 433 //
 434         for (i=0 ; i<3 ; i++)
 435                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
 436
 437         if (cls.demoplayback)
 438         {
 439         // interpolate the angles
 440                 for (j=0 ; j<3 ; j++)
 441                 {
 442                         d = cl.mviewangles[0][j] - cl.mviewangles[1][j];
 443                         if (d > 180)
 444                                 d -= 360;
 445                         else if (d < -180)
 446                                 d += 360;
 447                         cl.viewangles[j] = cl.mviewangles[1][j] + frac*d;
 448                 }
 449         }
 450
 451         bobjrotate = anglemod(100*cl.time);
 452
 453 // start on the entity after the world
 454         for (i=1,ent=cl_entities+1 ; i<cl.num_entities ; i++,ent++)
 455         {
 456                 if (!ent->model)
 457                 {       // empty slot
 458 //                      if (ent->forcelink)
 459 //                              R_RemoveEfrags (ent);   // just became empty
 460                         continue;
 461                 }
 462
 463 // if the object wasn't included in the last packet, remove it
 464                 if (ent->msgtime != cl.mtime[0])
 465                 {
 466                         ent->model = NULL;
 467                         // LordHavoc: free on the same frame, not the next
 468 //                      if (ent->forcelink)
 469 //                              R_RemoveEfrags (ent);   // just became empty
 470                         continue;
 471                 }
 472
 473                 VectorCopy (ent->origin, oldorg);
 474
 475                 if (ent->forcelink)
 476                 {       // the entity was not updated in the last message
 477                         // so move to the final spot
 478                         VectorCopy (ent->msg_origins[0], ent->origin);
 479                         VectorCopy (ent->msg_angles[0], ent->angles);
 480                 }
 481                 else
 482                 {       // if the delta is large, assume a teleport and don't lerp
 483                         f = frac;
 484                         for (j=0 ; j<3 ; j++)
 485                         {
 486                                 delta[j] = ent->msg_origins[0][j] - ent->msg_origins[1][j];
 487                                 // LordHavoc: increased lerp tolerance from 100 to 200
 488                                 if (delta[j] > 200 || delta[j] < -200)
 489                                         f = 1;          // assume a teleportation, not a motion
 490                         }
 491
 492                 // interpolate the origin and angles
 493                         for (j=0 ; j<3 ; j++)
 494                         {
 495                                 ent->origin[j] = ent->msg_origins[1][j] + f*delta[j];
 496
 497                                 d = ent->msg_angles[0][j] - ent->msg_angles[1][j];
 498                                 if (d > 180)
 499                                         d -= 360;
 500                                 else if (d < -180)
 501                                         d += 360;
 502                                 ent->angles[j] = ent->msg_angles[1][j] + f*d;
 503                         }
 504
 505                 }
 506
 507                 if (ent->effects & EF_BRIGHTFIELD)
 508                         R_EntityParticles (ent);
 509                 if (ent->effects & EF_MUZZLEFLASH)
 510                 {
 511                         vec3_t          fv;
 512
 513                         dl = CL_AllocDlight (i);
 514                         VectorCopy (ent->origin,  dl->origin);
 515                         dl->origin[2] += 16;
 516                         AngleVectors (ent->angles, fv, NULL, NULL);
 517
 518                         VectorMA (dl->origin, 18, fv, dl->origin);
 519                         dl->radius = 100 + (rand()&31);
 520                         dl->die = cl.time + 0.1;
 521                         dl->color[0] = 1.0;dl->color[1] = 1.0;dl->color[2] = 1.0;
 522                 }
 523                 if (ent->effects & EF_BRIGHTLIGHT)
 524                 {
 525                         dl = CL_AllocDlight (i);
 526                         VectorCopy (ent->origin,  dl->origin);
 527                         dl->origin[2] += 16;
 528                         dl->radius = 400 + (rand()&31);
 529                         dl->die = cl.time + 0.001;
 530                         dl->color[0] = 1.0;dl->color[1] = 1.0;dl->color[2] = 1.0;
 531                 }
 532                 if (ent->effects & EF_DIMLIGHT)
 533                 {
 534                         dl = CL_AllocDlight (i);
 535                         VectorCopy (ent->origin,  dl->origin);
 536                         dl->radius = 200 + (rand()&31);
 537                         dl->die = cl.time + 0.001;
 538                         dl->color[0] = 1.0;dl->color[1] = 1.0;dl->color[2] = 1.0;
 539                 }
 540                 // LordHavoc: added EF_RED and EF_BLUE
 541                 if (ent->effects & EF_RED) // red
 542                 {
 543                         if (ent->effects & EF_BLUE) // magenta
 544                         {
 545                                 dl = CL_AllocDlight (i);
 546                                 VectorCopy (ent->origin,  dl->origin);
 547                                 dl->radius = 200 + (rand()&31);
 548                                 dl->die = cl.time + 0.001;
 549                                 dl->color[0] = 0.7;dl->color[1] = 0.07;dl->color[2] = 0.7;
 550                         }
 551                         else // red
 552                         {
 553                                 dl = CL_AllocDlight (i);
 554                                 VectorCopy (ent->origin,  dl->origin);
 555                                 dl->radius = 200 + (rand()&31);
 556                                 dl->die = cl.time + 0.001;
 557                                 dl->color[0] = 0.8;dl->color[1] = 0.05;dl->color[2] = 0.05;
 558                         }
 559                 }
 560                 else if (ent->effects & EF_BLUE) // blue
 561                 {
 562                         dl = CL_AllocDlight (i);
 563                         VectorCopy (ent->origin,  dl->origin);
 564                         dl->radius = 200 + (rand()&31);
 565                         dl->die = cl.time + 0.001;
 566                         dl->color[0] = 0.05;dl->color[1] = 0.05;dl->color[2] = 0.8;
 567                 }
 568                 else if (ent->effects & EF_FLAME)
 569                 {
 570                         if (ent->model)
 571                         {
 572                                 vec3_t mins, maxs;
 573                                 int temp;
 574                                 VectorAdd(ent->origin, ent->model->mins, mins);
 575                                 VectorAdd(ent->origin, ent->model->maxs, maxs);
 576                                 // how many flames to make
 577                                 temp = (int) (cl.time * 30) - (int) (cl.oldtime * 30);
 578                                 R_FlameCube(mins, maxs, temp);
 579                         }
 580                         dl = CL_AllocDlight (i);
 581                         VectorCopy (ent->origin, dl->origin);
 582                         dl->radius = 200 + (rand()&31);
 583                         dl->die = cl.time + 0.25;
 584                         dl->decay = dl->radius * 4;
 585                         dl->color[0] = 1.0;dl->color[1] = 0.7;dl->color[2] = 0.3;
 586                 }
 587
 588                 if (ent->model->flags) // LordHavoc: if the model has no flags, don't check each
 589                 {
 590                 // rotate binary objects locally
 591                         if (ent->model->flags & EF_ROTATE)
 592                                 ent->angles[1] = bobjrotate;
 593                         if (ent->model->flags & EF_GIB)
 594                                 R_RocketTrail (oldorg, ent->origin, 2, ent);
 595                         else if (ent->model->flags & EF_ZOMGIB)
 596                                 R_RocketTrail (oldorg, ent->origin, 4, ent);
 597                         else if (ent->model->flags & EF_TRACER)
 598                                 R_RocketTrail (oldorg, ent->origin, 3, ent);
 599                         else if (ent->model->flags & EF_TRACER2)
 600                                 R_RocketTrail (oldorg, ent->origin, 5, ent);
 601                         else if (ent->model->flags & EF_ROCKET)
 602                         {
 603                                 R_RocketTrail (oldorg, ent->origin, 0, ent);
 604                                 dl = CL_AllocDlight (i);
 605                                 VectorCopy (ent->origin, dl->origin);
 606                                 dl->radius = 200;
 607                                 dl->die = cl.time + 0.001;
 608                                 dl->color[0] = 1.0;dl->color[1] = 0.8;dl->color[2] = 0.4;
 609                         }
 610                         else if (ent->model->flags & EF_GRENADE)
 611                         {
 612                                 if (ent->alpha == -1) // LordHavoc: Nehahra dem compatibility
 613                                         R_RocketTrail (oldorg, ent->origin, 7, ent);
 614                                 else
 615                                         R_RocketTrail (oldorg, ent->origin, 1, ent);
 616                         }
 617                         else if (ent->model->flags & EF_TRACER3)
 618                                 R_RocketTrail (oldorg, ent->origin, 6, ent);
 619                 }
 620                 if (ent->glowsize) // LordHavoc: customizable glow
 621                 {
 622                         dl = CL_AllocDlight (i);
 623                         VectorCopy (ent->origin, dl->origin);
 624                         dl->radius = ent->glowsize;
 625                         dl->die = cl.time + 0.001;
 626                         tempcolor = (byte *)&d_8to24table[ent->glowcolor];
 627                         dl->color[0] = tempcolor[0]*(1.0/255.0);dl->color[1] = tempcolor[1]*(1.0/255.0);dl->color[2] = tempcolor[2]*(1.0/255.0);
 628                 }
 629                 if (ent->glowtrail) // LordHavoc: customizable glow and trail
 630                         R_RocketTrail2 (oldorg, ent->origin, ent->glowcolor, ent);
 631
 632                 ent->forcelink = false;
 633
 634                 if (i == cl.viewentity && !chase_active.value)
 635                         continue;
 636
 637 // LordHavoc: enabled EF_NODRAW
 638                 if (!ent->model || ent->effects & EF_NODRAW)
 639                         continue;
 640                 if (cl_numvisedicts < MAX_VISEDICTS)
 641                         cl_visedicts[cl_numvisedicts++] = ent;
 642         }
 643
 644 }
 645
 646
 647 /*
 648 ===============
 649 CL_ReadFromServer
 650
 651 Read all incoming data from the server
 652 ===============
 653 */
 654 int CL_ReadFromServer (void)
 655 {
 656         int             ret;
 657
 658         cl.oldtime = cl.time;
 659         cl.time += cl.frametime;
 660
 661         do
 662         {
 663                 ret = CL_GetMessage ();
 664                 if (ret == -1)
 665                         Host_Error ("CL_ReadFromServer: lost server connection");
 666                 if (!ret)
 667                         break;
 668
 669                 cl.last_received_message = realtime;
 670                 CL_ParseServerMessage ();
 671         } while (ret && cls.state == ca_connected);
 672
 673         if (cl_shownet.value)
 674                 Con_Printf ("\n");
 675
 676         CL_RelinkEntities ();
 677         CL_UpdateTEnts ();
 678         CL_DoEffects ();
 679
 680 //
 681 // bring the links up to date
 682 //
 683         return 0;
 684 }
 685
 686 /*
 687 =================
 688 CL_SendCmd
 689 =================
 690 */
 691 void CL_SendCmd (void)
 692 {
 693         usercmd_t               cmd;
 694
 695         if (cls.state != ca_connected)
 696                 return;
 697
 698         if (cls.signon == SIGNONS)
 699         {
 700         // get basic movement from keyboard
 701                 CL_BaseMove (&cmd);
 702
 703         // allow mice or other external controllers to add to the move
 704                 IN_Move (&cmd);
 705
 706         // send the unreliable message
 707                 CL_SendMove (&cmd);
 708         }
 709
 710         if (cls.demoplayback)
 711         {
 712                 SZ_Clear (&cls.message);
 713                 return;
 714         }
 715
 716 // send the reliable message
 717         if (!cls.message.cursize)
 718                 return;         // no message at all
 719
 720         if (!NET_CanSendMessage (cls.netcon))
 721         {
 722                 Con_DPrintf ("CL_WriteToServer: can't send\n");
 723                 return;
 724         }
 725
 726         if (NET_SendMessage (cls.netcon, &cls.message) == -1)
 727                 Host_Error ("CL_WriteToServer: lost server connection");
 728
 729         SZ_Clear (&cls.message);
 730 }
 731
 732 // LordHavoc: pausedemo command
 733 void CL_PauseDemo_f (void)
 734 {
 735         cls.demopaused = !cls.demopaused;
 736         if (cls.demopaused)
 737                 Con_Printf("Demo paused\n");
 738         else
 739                 Con_Printf("Demo unpaused\n");
 740 }
 741
 742 /*
 743 ======================
 744 CL_PModel_f
 745 LordHavoc: Intended for Nehahra, I personally think this is dumb, but Mindcrime won't listen.
 746 ======================
 747 */
 748 void CL_PModel_f (void)
 749 {
 750         int i;
 751         eval_t *val;
 752
 753         if (Cmd_Argc () == 1)
 754         {
 755                 Con_Printf ("\"pmodel\" is \"%s\"\n", cl_pmodel.string);
 756                 return;
 757         }
 758         i = atoi(Cmd_Argv(1));
 759
 760         if (cmd_source == src_command)
 761         {
 762                 if (cl_pmodel.value == i)
 763                         return;
 764                 Cvar_SetValue ("_cl_pmodel", i);
 765                 if (cls.state == ca_connected)
 766                         Cmd_ForwardToServer ();
 767                 return;
 768         }
 769
 770         host_client->pmodel = i;
 771         if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_pmodel)))
 772                 val->_float = i;
 773 }
 774
 775 /*
 776 ======================
 777 CL_Fog_f
 778 ======================
 779 */
 780 void CL_Fog_f (void)
 781 {
 782         if (Cmd_Argc () == 1)
 783         {
 784                 Con_Printf ("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
 785                 return;
 786         }
 787         fog_density = atof(Cmd_Argv(1));
 788         fog_red = atof(Cmd_Argv(2));
 789         fog_green = atof(Cmd_Argv(3));
 790         fog_blue = atof(Cmd_Argv(4));
 791 }
 792
 793 cvar_t demo_nehahra = {"demo_nehahra", "0"};
 794
 795 /*
 796 =================
 797 CL_Init
 798 =================
 799 */
 800 void CL_Init (void)
 801 {
 802         SZ_Alloc (&cls.message, 1024);
 803
 804         CL_InitInput ();
 805         CL_InitTEnts ();
 806
 807 //
 808 // register our commands
 809 //
 810         Cvar_RegisterVariable (&cl_name);
 811         Cvar_RegisterVariable (&cl_color);
 812         Cvar_RegisterVariable (&cl_pmodel);
 813         Cvar_RegisterVariable (&cl_upspeed);
 814         Cvar_RegisterVariable (&cl_forwardspeed);
 815         Cvar_RegisterVariable (&cl_backspeed);
 816         Cvar_RegisterVariable (&cl_sidespeed);
 817         Cvar_RegisterVariable (&cl_movespeedkey);
 818         Cvar_RegisterVariable (&cl_yawspeed);
 819         Cvar_RegisterVariable (&cl_pitchspeed);
 820         Cvar_RegisterVariable (&cl_anglespeedkey);
 821         Cvar_RegisterVariable (&cl_shownet);
 822         Cvar_RegisterVariable (&cl_nolerp);
 823         Cvar_RegisterVariable (&lookspring);
 824         Cvar_RegisterVariable (&lookstrafe);
 825         Cvar_RegisterVariable (&sensitivity);
 826
 827         Cvar_RegisterVariable (&m_pitch);
 828         Cvar_RegisterVariable (&m_yaw);
 829         Cvar_RegisterVariable (&m_forward);
 830         Cvar_RegisterVariable (&m_side);
 831
 832 //      Cvar_RegisterVariable (&cl_autofire);
 833
 834         Cmd_AddCommand ("entities", CL_PrintEntities_f);
 835         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
 836         Cmd_AddCommand ("record", CL_Record_f);
 837         Cmd_AddCommand ("stop", CL_Stop_f);
 838         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
 839         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
 840
 841         Cmd_AddCommand ("fog", CL_Fog_f);
 842
 843         // LordHavoc: added pausedemo
 844         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
 845         // LordHavoc: added pmodel command (like name, etc, only intended for Nehahra)
 846         Cmd_AddCommand ("pmodel", CL_PModel_f);
 847         // LordHavoc: added demo_nehahra cvar
 848         Cvar_RegisterVariable (&demo_nehahra);
 849         if (nehahra)
 850                 Cvar_SetValue("demo_nehahra", 1);
 851 }
 852