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
  31 cvar_t  cl_shownet = {"cl_shownet","0"};        // can be 0, 1, or 2
  32 cvar_t  cl_nolerp = {"cl_nolerp","0"};
  33
  34 cvar_t  lookspring = {"lookspring","0", true};
  35 cvar_t  lookstrafe = {"lookstrafe","0", true};
  36 cvar_t  sensitivity = {"sensitivity","3", true};
  37
  38 cvar_t  m_pitch = {"m_pitch","0.022", true};
  39 cvar_t  m_yaw = {"m_yaw","0.022", true};
  40 cvar_t  m_forward = {"m_forward","1", true};
  41 cvar_t  m_side = {"m_side","0.8", true};
  42
  43
  44 client_static_t cls;
  45 client_state_t  cl;
  46 // FIXME: put these on hunk?
  47 efrag_t                 cl_efrags[MAX_EFRAGS];
  48 entity_t                cl_entities[MAX_EDICTS];
  49 entity_t                cl_static_entities[MAX_STATIC_ENTITIES];
  50 lightstyle_t    cl_lightstyle[MAX_LIGHTSTYLES];
  51 dlight_t                cl_dlights[MAX_DLIGHTS];
  52
  53 int                             cl_numvisedicts;
  54 entity_t                *cl_visedicts[MAX_VISEDICTS];
  55
  56 /*
  57 =====================
  58 CL_ClearState
  59
  60 =====================
  61 */
  62 void CL_ClearState (void)
  63 {
  64         int                     i;
  65
  66         if (!sv.active)
  67                 Host_ClearMemory ();
  68
  69 // wipe the entire cl structure
  70         memset (&cl, 0, sizeof(cl));
  71
  72         SZ_Clear (&cls.message);
  73
  74 // clear other arrays
  75         memset (cl_efrags, 0, sizeof(cl_efrags));
  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                 cl_entities[i].baseline.alpha = 255;
  85                 cl_entities[i].baseline.scale = 16;
  86                 cl_entities[i].baseline.glowsize = 0;
  87                 cl_entities[i].baseline.glowcolor = 254;
  88                 cl_entities[i].baseline.colormod = 255;
  89         }
  90
  91 //
  92 // allocate the efrags and chain together into a free list
  93 //
  94         cl.free_efrags = cl_efrags;
  95         for (i=0 ; i<MAX_EFRAGS-1 ; i++)
  96                 cl.free_efrags[i].entnext = &cl.free_efrags[i+1];
  97         cl.free_efrags[i].entnext = NULL;
  98 }
  99
 100 /*
 101 =====================
 102 CL_Disconnect
 103
 104 Sends a disconnect message to the server
 105 This is also called on Host_Error, so it shouldn't cause any errors
 106 =====================
 107 */
 108 void CL_Disconnect (void)
 109 {
 110 // stop sounds (especially looping!)
 111         S_StopAllSounds (true);
 112
 113 // bring the console down and fade the colors back to normal
 114 //      SCR_BringDownConsole ();
 115
 116 // if running a local server, shut it down
 117         if (cls.demoplayback)
 118                 CL_StopPlayback ();
 119         else if (cls.state == ca_connected)
 120         {
 121                 if (cls.demorecording)
 122                         CL_Stop_f ();
 123
 124                 Con_DPrintf ("Sending clc_disconnect\n");
 125                 SZ_Clear (&cls.message);
 126                 MSG_WriteByte (&cls.message, clc_disconnect);
 127                 NET_SendUnreliableMessage (cls.netcon, &cls.message);
 128                 SZ_Clear (&cls.message);
 129                 NET_Close (cls.netcon);
 130
 131                 cls.state = ca_disconnected;
 132                 if (sv.active)
 133                         Host_ShutdownServer(false);
 134         }
 135
 136         cls.demoplayback = cls.timedemo = false;
 137         cls.signon = 0;
 138 }
 139
 140 void CL_Disconnect_f (void)
 141 {
 142         CL_Disconnect ();
 143         if (sv.active)
 144                 Host_ShutdownServer (false);
 145 }
 146
 147
 148
 149
 150 /*
 151 =====================
 152 CL_EstablishConnection
 153
 154 Host should be either "local" or a net address to be passed on
 155 =====================
 156 */
 157 void CL_EstablishConnection (char *host)
 158 {
 159         if (cls.state == ca_dedicated)
 160                 return;
 161
 162         if (cls.demoplayback)
 163                 return;
 164
 165         CL_Disconnect ();
 166
 167         cls.netcon = NET_Connect (host);
 168         if (!cls.netcon)
 169                 Host_Error ("CL_Connect: connect failed\n");
 170         Con_DPrintf ("CL_EstablishConnection: connected to %s\n", host);
 171
 172         cls.demonum = -1;                       // not in the demo loop now
 173         cls.state = ca_connected;
 174         cls.signon = 0;                         // need all the signon messages before playing
 175 }
 176
 177 extern int numgltextures;
 178 extern int texels;
 179
 180 /*
 181 =====================
 182 CL_SignonReply
 183
 184 An svc_signonnum has been received, perform a client side setup
 185 =====================
 186 */
 187 void CL_SignonReply (void)
 188 {
 189         char    str[8192];
 190
 191 Con_DPrintf ("CL_SignonReply: %i\n", cls.signon);
 192
 193         switch (cls.signon)
 194         {
 195         case 1:
 196                 MSG_WriteByte (&cls.message, clc_stringcmd);
 197                 MSG_WriteString (&cls.message, "prespawn");
 198                 break;
 199
 200         case 2:
 201                 MSG_WriteByte (&cls.message, clc_stringcmd);
 202                 MSG_WriteString (&cls.message, va("name \"%s\"\n", cl_name.string));
 203
 204                 MSG_WriteByte (&cls.message, clc_stringcmd);
 205                 MSG_WriteString (&cls.message, va("color %i %i\n", ((int)cl_color.value)>>4, ((int)cl_color.value)&15));
 206
 207                 MSG_WriteByte (&cls.message, clc_stringcmd);
 208                 sprintf (str, "spawn %s", cls.spawnparms);
 209                 MSG_WriteString (&cls.message, str);
 210                 break;
 211
 212         case 3:
 213                 MSG_WriteByte (&cls.message, clc_stringcmd);
 214                 MSG_WriteString (&cls.message, "begin");
 215                 Cache_Report ();                // print remaining memory
 216                 break;
 217
 218         case 4:
 219                 SCR_EndLoadingPlaque ();                // allow normal screen updates
 220                 // LordHavoc: debugging purposes
 221                 Con_DPrintf("GLQuake texture slots in use: %i : %i : %i texels\n", texture_extension_number, numgltextures, texels);
 222                 break;
 223         }
 224 }
 225
 226 /*
 227 =====================
 228 CL_NextDemo
 229
 230 Called to play the next demo in the demo loop
 231 =====================
 232 */
 233 void CL_NextDemo (void)
 234 {
 235         char    str[1024];
 236
 237         if (cls.demonum == -1)
 238                 return;         // don't play demos
 239
 240         SCR_BeginLoadingPlaque ();
 241
 242         if (!cls.demos[cls.demonum][0] || cls.demonum == MAX_DEMOS)
 243         {
 244                 cls.demonum = 0;
 245                 if (!cls.demos[cls.demonum][0])
 246                 {
 247                         Con_Printf ("No demos listed with startdemos\n");
 248                         cls.demonum = -1;
 249                         return;
 250                 }
 251         }
 252
 253         sprintf (str,"playdemo %s\n", cls.demos[cls.demonum]);
 254         Cbuf_InsertText (str);
 255         cls.demonum++;
 256 }
 257
 258 /*
 259 ==============
 260 CL_PrintEntities_f
 261 ==============
 262 */
 263 void CL_PrintEntities_f (void)
 264 {
 265         entity_t        *ent;
 266         int                     i;
 267
 268         for (i=0,ent=cl_entities ; i<cl.num_entities ; i++,ent++)
 269         {
 270                 Con_Printf ("%3i:",i);
 271                 if (!ent->model)
 272                 {
 273                         Con_Printf ("EMPTY\n");
 274                         continue;
 275                 }
 276                 Con_Printf ("%s:%2i  (%5.1f,%5.1f,%5.1f) [%5.1f %5.1f %5.1f]\n"
 277                 ,ent->model->name,ent->frame, ent->origin[0], ent->origin[1], ent->origin[2], ent->angles[0], ent->angles[1], ent->angles[2]);
 278         }
 279 }
 280
 281
 282 /*
 283 ===============
 284 SetPal
 285
 286 Debugging tool, just flashes the screen
 287 ===============
 288 */
 289 void SetPal (int i)
 290 {
 291 #if 0
 292         static int old;
 293         byte    pal[768];
 294         int             c;
 295
 296         if (i == old)
 297                 return;
 298         old = i;
 299
 300         if (i==0)
 301                 VID_SetPalette (host_basepal);
 302         else if (i==1)
 303         {
 304                 for (c=0 ; c<768 ; c+=3)
 305                 {
 306                         pal[c] = 0;
 307                         pal[c+1] = 255;
 308                         pal[c+2] = 0;
 309                 }
 310                 VID_SetPalette (pal);
 311         }
 312         else
 313         {
 314                 for (c=0 ; c<768 ; c+=3)
 315                 {
 316                         pal[c] = 0;
 317                         pal[c+1] = 0;
 318                         pal[c+2] = 255;
 319                 }
 320                 VID_SetPalette (pal);
 321         }
 322 #endif
 323 }
 324
 325 /*
 326 ===============
 327 CL_AllocDlight
 328
 329 ===============
 330 */
 331 dlight_t *CL_AllocDlight (int key)
 332 {
 333         int             i;
 334         dlight_t        *dl;
 335
 336 // first look for an exact key match
 337         if (key)
 338         {
 339                 dl = cl_dlights;
 340                 for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
 341                 {
 342                         if (dl->key == key)
 343                         {
 344                                 memset (dl, 0, sizeof(*dl));
 345                                 dl->key = key;
 346                                 return dl;
 347                         }
 348                 }
 349         }
 350
 351 // then look for anything else
 352         dl = cl_dlights;
 353         for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
 354         {
 355                 if (dl->die < cl.time)
 356                 {
 357                         memset (dl, 0, sizeof(*dl));
 358                         dl->key = key;
 359                         return dl;
 360                 }
 361         }
 362
 363         dl = &cl_dlights[0];
 364         memset (dl, 0, sizeof(*dl));
 365         dl->key = key;
 366         return dl;
 367 }
 368
 369
 370 /*
 371 ===============
 372 CL_DecayLights
 373
 374 ===============
 375 */
 376 void CL_DecayLights (void)
 377 {
 378         int                     i;
 379         dlight_t        *dl;
 380         float           time;
 381
 382         time = cl.time - cl.oldtime;
 383
 384         dl = cl_dlights;
 385         for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
 386         {
 387                 if (dl->die < cl.time || !dl->radius)
 388                         continue;
 389
 390                 dl->radius -= time*dl->decay;
 391                 if (dl->radius < 0)
 392                         dl->radius = 0;
 393         }
 394 }
 395
 396
 397 /*
 398 ===============
 399 CL_LerpPoint
 400
 401 Determines the fraction between the last two messages that the objects
 402 should be put at.
 403 ===============
 404 */
 405 float   CL_LerpPoint (void)
 406 {
 407         float   f, frac;
 408
 409         f = cl.mtime[0] - cl.mtime[1];
 410
 411         if (!f || cl_nolerp.value || cls.timedemo || sv.active)
 412         {
 413                 cl.time = cl.mtime[0];
 414                 return 1;
 415         }
 416
 417         if (f > 0.1)
 418         {       // dropped packet, or start of demo
 419                 cl.mtime[1] = cl.mtime[0] - 0.1;
 420                 f = 0.1;
 421         }
 422         frac = (cl.time - cl.mtime[1]) / f;
 423 //Con_Printf ("frac: %f\n",frac);
 424         if (frac < 0)
 425         {
 426                 if (frac < -0.01)
 427                 {
 428 SetPal(1);
 429                         cl.time = cl.mtime[1];
 430 //                              Con_Printf ("low frac\n");
 431                 }
 432                 frac = 0;
 433         }
 434         else if (frac > 1)
 435         {
 436                 if (frac > 1.01)
 437                 {
 438 SetPal(2);
 439                         cl.time = cl.mtime[0];
 440 //                              Con_Printf ("high frac\n");
 441                 }
 442                 frac = 1;
 443         }
 444         else
 445                 SetPal(0);
 446
 447         return frac;
 448 }
 449
 450
 451 /*
 452 ===============
 453 CL_RelinkEntities
 454 ===============
 455 */
 456 void R_RocketTrail2 (vec3_t start, vec3_t end, int color, entity_t *ent);
 457 void CL_RelinkEntities (void)
 458 {
 459         entity_t        *ent;
 460         int                     i, j;
 461         float           frac, f, d;
 462         vec3_t          delta;
 463         float           bobjrotate;
 464         vec3_t          oldorg;
 465         dlight_t        *dl;
 466         byte            *tempcolor;
 467
 468 // determine partial update time
 469         frac = CL_LerpPoint ();
 470
 471         cl_numvisedicts = 0;
 472
 473 //
 474 // interpolate player info
 475 //
 476         for (i=0 ; i<3 ; i++)
 477                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
 478
 479         if (cls.demoplayback)
 480         {
 481         // interpolate the angles
 482                 for (j=0 ; j<3 ; j++)
 483                 {
 484                         d = cl.mviewangles[0][j] - cl.mviewangles[1][j];
 485                         if (d > 180)
 486                                 d -= 360;
 487                         else if (d < -180)
 488                                 d += 360;
 489                         cl.viewangles[j] = cl.mviewangles[1][j] + frac*d;
 490                 }
 491         }
 492
 493         bobjrotate = anglemod(100*cl.time);
 494
 495 // start on the entity after the world
 496         for (i=1,ent=cl_entities+1 ; i<cl.num_entities ; i++,ent++)
 497         {
 498                 if (!ent->model)
 499                 {       // empty slot
 500                         if (ent->forcelink)
 501                                 R_RemoveEfrags (ent);   // just became empty
 502                         continue;
 503                 }
 504
 505 // if the object wasn't included in the last packet, remove it
 506                 if (ent->msgtime != cl.mtime[0])
 507                 {
 508                         ent->model = NULL;
 509                         continue;
 510                 }
 511
 512                 VectorCopy (ent->origin, oldorg);
 513
 514                 if (ent->forcelink)
 515                 {       // the entity was not updated in the last message
 516                         // so move to the final spot
 517                         VectorCopy (ent->msg_origins[0], ent->origin);
 518                         VectorCopy (ent->msg_angles[0], ent->angles);
 519                 }
 520                 else
 521                 {       // if the delta is large, assume a teleport and don't lerp
 522                         f = frac;
 523                         for (j=0 ; j<3 ; j++)
 524                         {
 525                                 delta[j] = ent->msg_origins[0][j] - ent->msg_origins[1][j];
 526                                 // LordHavoc: increased lerp tolerance from 100 to 200
 527                                 if (delta[j] > 200 || delta[j] < -200)
 528                                         f = 1;          // assume a teleportation, not a motion
 529                         }
 530
 531                 // interpolate the origin and angles
 532                         for (j=0 ; j<3 ; j++)
 533                         {
 534                                 ent->origin[j] = ent->msg_origins[1][j] + f*delta[j];
 535
 536                                 d = ent->msg_angles[0][j] - ent->msg_angles[1][j];
 537                                 if (d > 180)
 538                                         d -= 360;
 539                                 else if (d < -180)
 540                                         d += 360;
 541                                 ent->angles[j] = ent->msg_angles[1][j] + f*d;
 542                         }
 543
 544                 }
 545
 546                 if (ent->effects & EF_BRIGHTFIELD)
 547                         R_EntityParticles (ent);
 548                 if (ent->effects & EF_MUZZLEFLASH)
 549                 {
 550                         vec3_t          fv, rv, uv;
 551
 552                         dl = CL_AllocDlight (i);
 553                         VectorCopy (ent->origin,  dl->origin);
 554                         dl->origin[2] += 16;
 555                         AngleVectors (ent->angles, fv, rv, uv);
 556
 557                         VectorMA (dl->origin, 18, fv, dl->origin);
 558                         dl->radius = 200 + (rand()&31);
 559                         dl->minlight = 32;
 560                         dl->die = cl.time + 0.1;
 561                         dl->color[0] = 1.0;dl->color[1] = 1.0;dl->color[2] = 1.0;
 562                 }
 563                 if (ent->effects & EF_BRIGHTLIGHT)
 564                 {
 565                         dl = CL_AllocDlight (i);
 566                         VectorCopy (ent->origin,  dl->origin);
 567                         dl->origin[2] += 16;
 568                         dl->radius = 400 + (rand()&31);
 569                         dl->die = cl.time + 0.001;
 570                         dl->color[0] = 1.0;dl->color[1] = 1.0;dl->color[2] = 1.0;
 571                 }
 572                 if (ent->effects & EF_DIMLIGHT)
 573                 {
 574                         dl = CL_AllocDlight (i);
 575                         VectorCopy (ent->origin,  dl->origin);
 576                         dl->radius = 200 + (rand()&31);
 577                         dl->die = cl.time + 0.001;
 578                         dl->color[0] = 1.0;dl->color[1] = 1.0;dl->color[2] = 1.0;
 579                 }
 580                 // LordHavoc: added EF_RED and EF_BLUE
 581                 if (ent->effects & EF_RED) // red
 582                 {
 583                         if (ent->effects & EF_BLUE) // magenta
 584                         {
 585                                 dl = CL_AllocDlight (i);
 586                                 VectorCopy (ent->origin,  dl->origin);
 587                                 dl->radius = 200 + (rand()&31);
 588                                 dl->die = cl.time + 0.001;
 589                                 dl->color[0] = 0.7;dl->color[1] = 0.07;dl->color[2] = 0.7;
 590                         }
 591                         else // red
 592                         {
 593                                 dl = CL_AllocDlight (i);
 594                                 VectorCopy (ent->origin,  dl->origin);
 595                                 dl->radius = 200 + (rand()&31);
 596                                 dl->die = cl.time + 0.001;
 597                                 dl->color[0] = 0.8;dl->color[1] = 0.05;dl->color[2] = 0.05;
 598                         }
 599                 }
 600                 else if (ent->effects & EF_BLUE) // blue
 601                 {
 602                         dl = CL_AllocDlight (i);
 603                         VectorCopy (ent->origin,  dl->origin);
 604                         dl->radius = 200 + (rand()&31);
 605                         dl->die = cl.time + 0.001;
 606                         dl->color[0] = 0.05;dl->color[1] = 0.05;dl->color[2] = 0.8;
 607                 }
 608
 609                 if (ent->model->flags) // LordHavoc: if the model has no flags, don't check each
 610                 {
 611                 // rotate binary objects locally
 612                         if (ent->model->flags & EF_ROTATE)
 613                                 ent->angles[1] = bobjrotate;
 614                         if (ent->model->flags & EF_GIB)
 615                                 R_RocketTrail (oldorg, ent->origin, 2, ent);
 616                         else if (ent->model->flags & EF_ZOMGIB)
 617                                 R_RocketTrail (oldorg, ent->origin, 4, ent);
 618                         else if (ent->model->flags & EF_TRACER)
 619                                 R_RocketTrail (oldorg, ent->origin, 3, ent);
 620                         else if (ent->model->flags & EF_TRACER2)
 621                                 R_RocketTrail (oldorg, ent->origin, 5, ent);
 622                         else if (ent->model->flags & EF_ROCKET)
 623                         {
 624                                 R_RocketTrail (oldorg, ent->origin, 0, ent);
 625                                 dl = CL_AllocDlight (i);
 626                                 VectorCopy (ent->origin, dl->origin);
 627                                 dl->radius = 200;
 628                                 dl->die = cl.time + 0.001;
 629                                 dl->color[0] = 1.0;dl->color[1] = 0.8;dl->color[2] = 0.4;
 630                         }
 631                         else if (ent->model->flags & EF_GRENADE)
 632                         {
 633                                 if (ent->alpha == -1) // LordHavoc: Nehahra dem compatibility
 634                                         R_RocketTrail (oldorg, ent->origin, 7, ent);
 635                                 else
 636                                         R_RocketTrail (oldorg, ent->origin, 1, ent);
 637                         }
 638                         else if (ent->model->flags & EF_TRACER3)
 639                                 R_RocketTrail (oldorg, ent->origin, 6, ent);
 640                 }
 641                 if (ent->glowsize) // LordHavoc: customizable glow
 642                 {
 643                         dl = CL_AllocDlight (i);
 644                         VectorCopy (ent->origin, dl->origin);
 645                         dl->dark = ent->glowsize < 0; // darklight
 646                         dl->radius = ent->glowsize;
 647                         if (dl->dark)
 648                         {
 649                                 if (ent->glowtrail) // LordHavoc: all darklights leave black trails
 650                                         R_RocketTrail2 (oldorg, ent->origin, 0, ent);
 651                                 dl->radius = -ent->glowsize;
 652                         }
 653                         else if (ent->glowtrail) // LordHavoc: customizable glow and trail
 654                                 R_RocketTrail2 (oldorg, ent->origin, ent->glowcolor, ent);
 655                         dl->die = cl.time + 0.001;
 656                         tempcolor = (byte *)&d_8to24table[ent->glowcolor];
 657                         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);
 658                 }
 659                 else if (ent->glowtrail) // LordHavoc: customizable glow and trail
 660                         R_RocketTrail2 (oldorg, ent->origin, ent->glowcolor, ent);
 661
 662                 ent->forcelink = false;
 663
 664                 if (i == cl.viewentity && !chase_active.value)
 665                         continue;
 666
 667 // LordHavoc: enabled EF_NODRAW
 668                 if (!ent->model || ent->effects & EF_NODRAW)
 669                         continue;
 670                 if (cl_numvisedicts < MAX_VISEDICTS)
 671                 {
 672                         cl_visedicts[cl_numvisedicts] = ent;
 673                         cl_numvisedicts++;
 674                 }
 675         }
 676
 677 }
 678
 679
 680 /*
 681 ===============
 682 CL_ReadFromServer
 683
 684 Read all incoming data from the server
 685 ===============
 686 */
 687 int CL_ReadFromServer (void)
 688 {
 689         int             ret;
 690
 691         cl.oldtime = cl.time;
 692         cl.time += host_frametime;
 693
 694         do
 695         {
 696                 ret = CL_GetMessage ();
 697                 if (ret == -1)
 698                         Host_Error ("CL_ReadFromServer: lost server connection");
 699                 if (!ret)
 700                         break;
 701
 702                 cl.last_received_message = realtime;
 703                 CL_ParseServerMessage ();
 704         } while (ret && cls.state == ca_connected);
 705
 706         if (cl_shownet.value)
 707                 Con_Printf ("\n");
 708
 709         CL_RelinkEntities ();
 710         CL_UpdateTEnts ();
 711
 712 //
 713 // bring the links up to date
 714 //
 715         return 0;
 716 }
 717
 718 /*
 719 =================
 720 CL_SendCmd
 721 =================
 722 */
 723 void CL_SendCmd (void)
 724 {
 725         usercmd_t               cmd;
 726
 727         if (cls.state != ca_connected)
 728                 return;
 729
 730         if (cls.signon == SIGNONS)
 731         {
 732         // get basic movement from keyboard
 733                 CL_BaseMove (&cmd);
 734
 735         // allow mice or other external controllers to add to the move
 736                 IN_Move (&cmd);
 737
 738         // send the unreliable message
 739                 CL_SendMove (&cmd);
 740
 741         }
 742
 743         if (cls.demoplayback)
 744         {
 745                 SZ_Clear (&cls.message);
 746                 return;
 747         }
 748
 749 // send the reliable message
 750         if (!cls.message.cursize)
 751                 return;         // no message at all
 752
 753         if (!NET_CanSendMessage (cls.netcon))
 754         {
 755                 Con_DPrintf ("CL_WriteToServer: can't send\n");
 756                 return;
 757         }
 758
 759         if (NET_SendMessage (cls.netcon, &cls.message) == -1)
 760                 Host_Error ("CL_WriteToServer: lost server connection");
 761
 762         SZ_Clear (&cls.message);
 763 }
 764
 765 // LordHavoc: pausedemo command
 766 void CL_PauseDemo_f (void)
 767 {
 768         cls.demopaused = !cls.demopaused;
 769         if (cls.demopaused)
 770                 Con_Printf("Demo paused\n");
 771         else
 772                 Con_Printf("Demo unpaused\n");
 773 }
 774
 775 cvar_t demo_nehahra = {"demo_nehahra", "0"};
 776
 777 /*
 778 =================
 779 CL_Init
 780 =================
 781 */
 782 void CL_Init (void)
 783 {
 784         SZ_Alloc (&cls.message, 1024);
 785
 786         CL_InitInput ();
 787         CL_InitTEnts ();
 788
 789 //
 790 // register our commands
 791 //
 792         Cvar_RegisterVariable (&cl_name);
 793         Cvar_RegisterVariable (&cl_color);
 794         Cvar_RegisterVariable (&cl_upspeed);
 795         Cvar_RegisterVariable (&cl_forwardspeed);
 796         Cvar_RegisterVariable (&cl_backspeed);
 797         Cvar_RegisterVariable (&cl_sidespeed);
 798         Cvar_RegisterVariable (&cl_movespeedkey);
 799         Cvar_RegisterVariable (&cl_yawspeed);
 800         Cvar_RegisterVariable (&cl_pitchspeed);
 801         Cvar_RegisterVariable (&cl_anglespeedkey);
 802         Cvar_RegisterVariable (&cl_shownet);
 803         Cvar_RegisterVariable (&cl_nolerp);
 804         Cvar_RegisterVariable (&lookspring);
 805         Cvar_RegisterVariable (&lookstrafe);
 806         Cvar_RegisterVariable (&sensitivity);
 807
 808         Cvar_RegisterVariable (&m_pitch);
 809         Cvar_RegisterVariable (&m_yaw);
 810         Cvar_RegisterVariable (&m_forward);
 811         Cvar_RegisterVariable (&m_side);
 812
 813 //      Cvar_RegisterVariable (&cl_autofire);
 814
 815         Cmd_AddCommand ("entities", CL_PrintEntities_f);
 816         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
 817         Cmd_AddCommand ("record", CL_Record_f);
 818         Cmd_AddCommand ("stop", CL_Stop_f);
 819         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
 820         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
 821
 822         // LordHavoc: added pausedemo
 823         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
 824         // LordHavoc: added demo_nehahra cvar
 825         Cvar_RegisterVariable (&demo_nehahra);
 826         if (nehahra)
 827                 Cvar_SetValue("demo_nehahra", 1);
 828 }
 829