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", "13", 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  cl_autoaim = {"cl_autoaim", "1", true};
  35
  36 cvar_t  lookspring = {"lookspring","0", true};
  37 cvar_t  lookstrafe = {"lookstrafe","0", true};
  38 cvar_t  lookcenter = {"lookcenter","1", true};
  39 cvar_t  in_sensitivity = {"sensitivity","3", true};
  40 cvar_t  in_tolerance = {"tolerance","0.25", true};
  41 cvar_t  in_acceleration = {"acceleration","1.0", true};
  42
  43 cvar_t  m_pitch = {"m_pitch","0.022", true};
  44 cvar_t  m_yaw = {"m_yaw","0.022", true};
  45 cvar_t  m_forward = {"m_forward","1", true};
  46 cvar_t  m_side = {"m_side","0.8", true};
  47
  48 cvar_t  in_freelook_analog = {"in_freelook_analog", "0", true};
  49 cvar_t  in_disable_analog = {"in_disable_analog", "0", true};
  50 cvar_t  in_analog_strafe = {"in_analog_strafe", "0", true};
  51
  52 cvar_t  in_x_axis_adjust = {"in_x_axis_adjust", "0", true};
  53 cvar_t  in_y_axis_adjust = {"in_y_axis_adjust", "0", true};
  54
  55 client_static_t cls;
  56 client_state_t  cl;
  57 // FIXME: put these on hunk?
  58 efrag_t                 cl_efrags[MAX_EFRAGS];
  59 entity_t                cl_entities[MAX_EDICTS];
  60 entity_t                cl_static_entities[MAX_STATIC_ENTITIES];
  61 lightstyle_t    cl_lightstyle[MAX_LIGHTSTYLES];
  62 dlight_t                cl_dlights[MAX_DLIGHTS];
  63
  64 int                             cl_numvisedicts;
  65 entity_t                *cl_visedicts[MAX_VISEDICTS];
  66
  67 modelindex_t            cl_modelindex[NUM_MODELINDEX];
  68 char                    *cl_modelnames[NUM_MODELINDEX];
  69
  70 /*
  71 =====================
  72 CL_ClearState
  73
  74 =====================
  75 */
  76 void CL_ClearState (void)
  77 {
  78         int                     i;
  79
  80         if (!sv.active)
  81                 Host_ClearMemory ();
  82
  83 // wipe the entire cl structure
  84         memset (&cl, 0, sizeof(cl));
  85
  86         SZ_Clear (&cls.message);
  87
  88 // clear other arrays
  89         memset (cl_efrags, 0, sizeof(cl_efrags));
  90         memset (cl_entities, 0, sizeof(cl_entities));
  91         memset (cl_dlights, 0, sizeof(cl_dlights));
  92         memset (cl_lightstyle, 0, sizeof(cl_lightstyle));
  93         memset (cl_temp_entities, 0, sizeof(cl_temp_entities));
  94         memset (cl_beams, 0, sizeof(cl_beams));
  95
  96 //
  97 // allocate the efrags and chain together into a free list
  98 //
  99         cl.free_efrags = cl_efrags;
 100         for (i=0 ; i<MAX_EFRAGS-1 ; i++)
 101                 cl.free_efrags[i].entnext = &cl.free_efrags[i+1];
 102         cl.free_efrags[i].entnext = NULL;
 103 }
 104
 105 /*
 106 =====================
 107 CL_Disconnect
 108
 109 Sends a disconnect message to the server
 110 This is also called on Host_Error, so it shouldn't cause any errors
 111 =====================
 112 */
 113 void CL_Disconnect (void)
 114 {
 115 // stop sounds (especially looping!)
 116         S_StopAllSounds (true);
 117
 118 // bring the console down and fade the colors back to normal
 119 //      SCR_BringDownConsole ();
 120
 121 // if running a local server, shut it down
 122         if (cls.demoplayback)
 123                 CL_StopPlayback ();
 124         else if (cls.state == ca_connected)
 125         {
 126                 if (cls.demorecording)
 127                         CL_Stop_f ();
 128
 129                 Con_DPrintf ("Sending clc_disconnect\n");
 130                 SZ_Clear (&cls.message);
 131                 MSG_WriteByte (&cls.message, clc_disconnect);
 132                 NET_SendUnreliableMessage (cls.netcon, &cls.message);
 133                 SZ_Clear (&cls.message);
 134                 NET_Close (cls.netcon);
 135
 136                 cls.state = ca_disconnected;
 137                 if (sv.active)
 138                         Host_ShutdownServer(false);
 139         }
 140
 141         cls.demoplayback = cls.timedemo = false;
 142         cls.signon = 0;
 143 }
 144
 145 void CL_Disconnect_f (void)
 146 {
 147         CL_Disconnect ();
 148         if (sv.active)
 149                 Host_ShutdownServer (false);
 150 }
 151
 152
 153
 154
 155 /*
 156 =====================
 157 CL_EstablishConnection
 158
 159 Host should be either "local" or a net address to be passed on
 160 =====================
 161 */
 162 void CL_EstablishConnection (char *host)
 163 {
 164         if (cls.state == ca_dedicated)
 165                 return;
 166
 167         if (cls.demoplayback)
 168                 return;
 169
 170         CL_Disconnect ();
 171
 172         cls.netcon = NET_Connect (host);
 173         if (!cls.netcon)
 174                 Host_Error ("CL_Connect: connect failed\n");
 175         Con_DPrintf ("CL_EstablishConnection: connected to %s\n", host);
 176
 177         cls.demonum = -1;                       // not in the demo loop now
 178         cls.state = ca_connected;
 179         cls.signon = 0;                         // need all the signon messages before playing
 180 }
 181
 182 /*
 183 =====================
 184 CL_SignonReply
 185
 186 An svc_signonnum has been received, perform a client side setup
 187 =====================
 188 */
 189 void CL_SignonReply (void)
 190 {
 191         char    str[8192];
 192
 193 Con_DPrintf ("CL_SignonReply: %i\n", cls.signon);
 194
 195         switch (cls.signon)
 196         {
 197         case 1:
 198                 MSG_WriteByte (&cls.message, clc_stringcmd);
 199                 MSG_WriteString (&cls.message, "prespawn");
 200                 break;
 201
 202         case 2:
 203                 MSG_WriteByte (&cls.message, clc_stringcmd);
 204                 MSG_WriteString (&cls.message, va("name \"%s\"\n", cl_name.string));
 205
 206                 MSG_WriteByte (&cls.message, clc_stringcmd);
 207                 MSG_WriteString (&cls.message, va("color %i %i\n", ((int)cl_color.value)>>4, ((int)cl_color.value)&15));
 208
 209                 MSG_WriteByte (&cls.message, clc_stringcmd);
 210                 sprintf (str, "spawn %s", cls.spawnparms);
 211                 MSG_WriteString (&cls.message, str);
 212                 break;
 213
 214         case 3:
 215                 MSG_WriteByte (&cls.message, clc_stringcmd);
 216                 MSG_WriteString (&cls.message, "begin");
 217                 Cache_Report ();                // print remaining memory
 218                 break;
 219
 220         case 4:
 221                 SCR_EndLoadingPlaque ();                // allow normal screen updates
 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                                 dl->color[0] = dl->color[1] = dl->color[2] = 1; // LordHavoc: .lit support
 347                                 return dl;
 348                         }
 349                 }
 350         }
 351
 352 // then look for anything else
 353         dl = cl_dlights;
 354         for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
 355         {
 356                 if (dl->die < cl.time)
 357                 {
 358                         memset (dl, 0, sizeof(*dl));
 359                         dl->key = key;
 360                         dl->color[0] = dl->color[1] = dl->color[2] = 1; // LordHavoc: .lit support
 361                         return dl;
 362                 }
 363         }
 364
 365         dl = &cl_dlights[0];
 366         memset (dl, 0, sizeof(*dl));
 367         dl->key = key;
 368         dl->color[0] = dl->color[1] = dl->color[2] = 1; // LordHavoc: .lit support
 369         return dl;
 370 }
 371
 372
 373 /*
 374 ===============
 375 CL_DecayLights
 376
 377 ===============
 378 */
 379 void CL_DecayLights (void)
 380 {
 381         int                     i;
 382         dlight_t        *dl;
 383         float           time;
 384
 385         time = cl.time - cl.oldtime;
 386
 387         dl = cl_dlights;
 388         for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
 389         {
 390                 if (dl->die < cl.time || !dl->radius)
 391                         continue;
 392
 393                 dl->radius -= time*dl->decay;
 394                 if (dl->radius < 0)
 395                         dl->radius = 0;
 396         }
 397 }
 398
 399
 400 /*
 401 ===============
 402 CL_LerpPoint
 403
 404 Determines the fraction between the last two messages that the objects
 405 should be put at.
 406 ===============
 407 */
 408 float   CL_LerpPoint (void)
 409 {
 410         float   f, frac;
 411
 412         f = cl.mtime[0] - cl.mtime[1];
 413
 414         if (!f || cl_nolerp.value || cls.timedemo || sv.active)
 415         {
 416                 cl.time = cl.mtime[0];
 417                 return 1;
 418         }
 419
 420         if (f > 0.1)
 421         {       // dropped packet, or start of demo
 422                 cl.mtime[1] = cl.mtime[0] - 0.1;
 423                 f = 0.1;
 424         }
 425         frac = (cl.time - cl.mtime[1]) / f;
 426 //    Con_Printf ("frac: %f\n",frac);
 427         if (frac < 0)
 428         {
 429                 if (frac < -0.01)
 430                 {
 431 SetPal(1);
 432                         cl.time = cl.mtime[1];
 433 //                              Con_Printf ("low frac\n");
 434                 }
 435                 frac = 0;
 436         }
 437         else if (frac > 1)
 438         {
 439                 if (frac > 1.01)
 440                 {
 441 SetPal(2);
 442                         cl.time = cl.mtime[0];
 443 //                              Con_Printf ("high frac\n");
 444                 }
 445                 frac = 1;
 446         }
 447         else
 448                 SetPal(0);
 449
 450         return frac;
 451 }
 452
 453
 454 /*
 455 ===============
 456 CL_RelinkEntities
 457 ===============
 458 */
 459 void CL_RelinkEntities (void)
 460 {
 461         entity_t        *ent;
 462         int                     i, j;
 463         float           frac, f, d;
 464         vec3_t          delta;
 465         float           bobjrotate;
 466         vec3_t          oldorg;
 467         dlight_t        *dl;
 468
 469 // determine partial update time
 470         frac = CL_LerpPoint ();
 471
 472         cl_numvisedicts = 0;
 473
 474 //
 475 // interpolate player info
 476 //
 477         for (i=0 ; i<3 ; i++)
 478                 cl.velocity[i] = cl.mvelocity[1][i] +
 479                         frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
 480
 481         if (cls.demoplayback)
 482         {
 483         // interpolate the angles
 484                 for (j=0 ; j<3 ; j++)
 485                 {
 486                         d = cl.mviewangles[0][j] - cl.mviewangles[1][j];
 487                         if (d > 180)
 488                                 d -= 360;
 489                         else if (d < -180)
 490                                 d += 360;
 491                         cl.viewangles[j] = cl.mviewangles[1][j] + frac*d;
 492                 }
 493         }
 494
 495         bobjrotate = anglemod(100*cl.time);
 496
 497 // start on the entity after the world
 498         for (i=1,ent=cl_entities+1 ; i<cl.num_entities ; i++,ent++)
 499         {
 500                 if (!ent->model)
 501                 {       // empty slot
 502                         if (ent->forcelink)
 503                                 R_RemoveEfrags (ent);   // just became empty
 504                         continue;
 505                 }
 506
 507 // if the object wasn't included in the last packet, remove it
 508                 if (ent->msgtime != cl.mtime[0])
 509                 {
 510                         ent->model = NULL;
 511
 512                     // fenix@io.com: model transform interpolation
 513             ent->frame_start_time = 0;
 514             ent->translate_start_time = 0;
 515             ent->rotate_start_time = 0;
 516
 517                         continue;
 518                 }
 519
 520                 VectorCopy (ent->origin, oldorg);
 521
 522                 if (ent->forcelink)
 523                 {       // the entity was not updated in the last message
 524                         // so move to the final spot
 525                         VectorCopy (ent->msg_origins[0], ent->origin);
 526                         VectorCopy (ent->msg_angles[0], ent->angles);
 527                 }
 528                 else
 529                 {       // if the delta is large, assume a teleport and don't lerp
 530                         f = frac;
 531                         for (j=0 ; j<3 ; j++)
 532                         {
 533                                 delta[j] = ent->msg_origins[0][j] - ent->msg_origins[1][j];
 534                                 if (delta[j] > 100 || delta[j] < -100)
 535                                         f = 1;          // assume a teleportation, not a motion
 536                         }
 537             // fenix@io.com: model transform interpolation
 538             // interpolation should be reset in the event of a large delta
 539
 540             if (f >= 1)
 541             {
 542 //                ent->frame_start_time = 0;
 543                 ent->translate_start_time = 0;
 544                 ent->rotate_start_time = 0;
 545             }
 546
 547                        // interpolate the origin and angles
 548                         for (j=0 ; j<3 ; j++)
 549                         {
 550                                 ent->origin[j] = ent->msg_origins[1][j] + f*delta[j];
 551
 552                                 d = ent->msg_angles[0][j] - ent->msg_angles[1][j];
 553                                 if (d > 180)
 554                                         d -= 360;
 555                                 else if (d < -180)
 556                                         d += 360;
 557                                 ent->angles[j] = ent->msg_angles[1][j] + f*d;
 558                         }
 559
 560                 }
 561
 562 // rotate binary objects locally
 563                 if (ent->model->flags & EF_ROTATE)
 564                         ent->angles[1] = bobjrotate;
 565
 566                 if (ent->effects & EF_BRIGHTFIELD)
 567                         R_EntityParticles (ent);
 568 #ifdef QUAKE2
 569                 if (ent->effects & EF_DARKFIELD)
 570                         R_DarkFieldParticles (ent);
 571 #endif
 572                 if (ent->effects & EF_MUZZLEFLASH)
 573                 {
 574                         vec3_t          fv, rv, uv;
 575
 576                         dl = CL_AllocDlight (i);
 577                         VectorCopy (ent->origin,  dl->origin);
 578                         dl->origin[2] += 16;
 579                         AngleVectors (ent->angles, fv, rv, uv);
 580
 581                         VectorMA (dl->origin, 18, fv, dl->origin);
 582                         dl->radius = 200 + (rand()&31);
 583                         dl->minlight = 32;
 584                         dl->die = cl.time + 0.1;
 585             dl->minlight = 16;
 586             dl->color[0] = 0.9;
 587             dl->color[1] = 0.8;
 588             dl->color[2] = 0.6;
 589                 }
 590                 if (ent->effects & EF_BRIGHTLIGHT)
 591                 {
 592                         dl = CL_AllocDlight (i);
 593                         VectorCopy (ent->origin,  dl->origin);
 594                         dl->origin[2] += 16;
 595                         dl->radius = 400 + (rand()&31);
 596                         dl->die = cl.time + 0.001;
 597             dl->color[0] = 1;
 598             dl->color[1] = 0.8;
 599             dl->color[2] = 0.5;
 600                 }
 601                 if (ent->effects & EF_DIMLIGHT)
 602                 {
 603                         dl = CL_AllocDlight (i);
 604                         VectorCopy (ent->origin,  dl->origin);
 605                         dl->radius = 200 + (rand()&31);
 606                         dl->die = cl.time + 0.001;
 607             dl->radius = 100 + (rand()&31);
 608             dl->color[0] = 0.5;
 609             dl->color[1] = 0.5;
 610             dl->color[2] = 0.5;
 611                 }
 612
 613         // Kurok effects
 614         if (ent->effects & EF_REDLIGHT)
 615         {
 616             dl = CL_AllocDlight (i);
 617             VectorCopy (ent->origin,  dl->origin);
 618             dl->radius = 200 + (rand()&31);
 619             dl->die = cl.time + 0.001;
 620             dl->radius = 150 + (rand()&31);
 621             dl->color[0] = 2;
 622             dl->color[1] = 0.25;
 623             dl->color[2] = 0.25;
 624         }
 625         if (ent->effects & EF_BLUELIGHT)
 626         {
 627             dl = CL_AllocDlight (i);
 628             VectorCopy (ent->origin,  dl->origin);
 629             dl->radius = 200 + (rand()&31);
 630             dl->die = cl.time + 0.001;
 631             dl->radius = 150 + (rand()&31);
 632             dl->color[0] = 0.25;
 633             dl->color[1] = 0.25;
 634             dl->color[2] = 2;
 635         }
 636
 637 #ifdef QUAKE2
 638                 if (ent->effects & EF_DARKLIGHT)
 639                 {
 640                         dl = CL_AllocDlight (i);
 641                         VectorCopy (ent->origin,  dl->origin);
 642                         dl->radius = 200.0 + (rand()&31);
 643                         dl->die = cl.time + 0.001;
 644                         dl->dark = true;
 645                 }
 646                 if (ent->effects & EF_LIGHT)
 647                 {
 648                         dl = CL_AllocDlight (i);
 649                         VectorCopy (ent->origin,  dl->origin);
 650                         dl->radius = 200;
 651                         dl->die = cl.time + 0.001;
 652                 }
 653 #endif
 654
 655                 if (ent->model->flags & EF_GIB)
 656                         R_RocketTrail (oldorg, ent->origin, 2);
 657                 else if (ent->model->flags & EF_ZOMGIB)
 658                         R_RocketTrail (oldorg, ent->origin, 4);
 659                 else if (ent->model->flags & EF_TRACER)
 660                         R_RocketTrail (oldorg, ent->origin, 3);
 661                 else if (ent->model->flags & EF_TRACER2)
 662                         R_RocketTrail (oldorg, ent->origin, 5);
 663                 else if (ent->model->flags & EF_ROCKET)
 664                 {
 665                         R_RocketTrail (oldorg, ent->origin, 0);
 666                         dl = CL_AllocDlight (i);
 667                         VectorCopy (ent->origin, dl->origin);
 668                         dl->radius = 200;
 669                         dl->die = cl.time + 0.01;
 670                 }
 671                 else if (ent->model->flags & EF_GRENADE)
 672                         R_RocketTrail (oldorg, ent->origin, 1);
 673                 else if (ent->model->flags & EF_TRACER3)
 674                         R_RocketTrail (oldorg, ent->origin, 6);
 675
 676         // Tomaz - QC Glow Begin
 677
 678         else if (ent->glow_size)
 679         {
 680             dl = CL_AllocDlight (i);
 681             VectorCopy (ent->origin, dl->origin);
 682             dl->radius = ent->glow_size;
 683             dl->die = cl.time + 0.001;
 684             dl->color[0] = ent->glow_red;
 685             dl->color[1] = ent->glow_green;
 686             dl->color[2] = ent->glow_blue;
 687         }
 688
 689         // Tomaz - QC Glow End
 690
 691                 ent->forcelink = false;
 692
 693                 if (i == cl.viewentity && !chase_active.value)
 694                         continue;
 695
 696 #ifdef QUAKE2
 697                 if ( ent->effects & EF_NODRAW )
 698                         continue;
 699 #endif
 700                 if (cl_numvisedicts < MAX_VISEDICTS)
 701                 {
 702                         cl_visedicts[cl_numvisedicts] = ent;
 703                         cl_numvisedicts++;
 704                 }
 705         }
 706
 707 }
 708
 709
 710 /*
 711 ===============
 712 CL_ReadFromServer
 713
 714 Read all incoming data from the server
 715 ===============
 716 */
 717 int CL_ReadFromServer (void)
 718 {
 719         int             ret;
 720
 721         cl.oldtime = cl.time;
 722         cl.time += host_frametime;
 723
 724         do
 725         {
 726                 ret = CL_GetMessage ();
 727                 if (ret == -1)
 728                         Host_Error ("CL_ReadFromServer: lost server connection");
 729                 if (!ret)
 730                         break;
 731
 732                 cl.last_received_message = realtime;
 733                 CL_ParseServerMessage ();
 734         } while (ret && cls.state == ca_connected);
 735
 736         if (cl_shownet.value)
 737                 Con_Printf ("\n");
 738
 739         CL_RelinkEntities ();
 740         CL_UpdateTEnts ();
 741
 742 //
 743 // bring the links up to date
 744 //
 745         return 0;
 746 }
 747
 748 /*
 749 =================
 750 CL_SendCmd
 751 =================
 752 */
 753 void CL_SendCmd (void)
 754 {
 755         usercmd_t               cmd;
 756
 757         if (cls.state != ca_connected)
 758                 return;
 759
 760         if (cls.signon == SIGNONS)
 761         {
 762         // get basic movement from keyboard
 763                 CL_BaseMove (&cmd);
 764
 765         // allow mice or other external controllers to add to the move
 766         if (!in_disable_analog.value)
 767                 IN_Move (&cmd);
 768
 769         // send the unreliable message
 770                 CL_SendMove (&cmd);
 771
 772         }
 773
 774         if (cls.demoplayback)
 775         {
 776                 SZ_Clear (&cls.message);
 777                 return;
 778         }
 779
 780 // send the reliable message
 781         if (!cls.message.cursize)
 782                 return;         // no message at all
 783
 784         if (!NET_CanSendMessage (cls.netcon))
 785         {
 786                 Con_DPrintf ("CL_WriteToServer: can't send\n");
 787                 return;
 788         }
 789
 790         if (NET_SendMessage (cls.netcon, &cls.message) == -1)
 791                 Host_Error ("CL_WriteToServer: lost server connection");
 792
 793         SZ_Clear (&cls.message);
 794 }
 795
 796 /*
 797 =================
 798 CL_Init
 799 =================
 800 */
 801 void CL_Init (void)
 802 {
 803         SZ_Alloc (&cls.message, 1024);
 804
 805         CL_InitInput ();
 806         CL_InitTEnts ();
 807
 808 //
 809 // register our commands
 810 //
 811         Cvar_RegisterVariable (&cl_name);
 812         Cvar_RegisterVariable (&cl_color);
 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 (&cl_autoaim);
 824         Cvar_RegisterVariable (&lookspring);
 825         Cvar_RegisterVariable (&lookstrafe);
 826         Cvar_RegisterVariable (&lookcenter);
 827
 828         Cvar_RegisterVariable (&in_sensitivity);
 829         Cvar_RegisterVariable (&in_tolerance);
 830         Cvar_RegisterVariable (&in_acceleration);
 831         Cvar_RegisterVariable (&in_freelook_analog);
 832         Cvar_RegisterVariable (&in_disable_analog);
 833         Cvar_RegisterVariable (&in_analog_strafe);
 834
 835         Cvar_RegisterVariable (&in_x_axis_adjust);
 836         Cvar_RegisterVariable (&in_y_axis_adjust);
 837
 838         Cvar_RegisterVariable (&m_pitch);
 839         Cvar_RegisterVariable (&m_yaw);
 840         Cvar_RegisterVariable (&m_forward);
 841         Cvar_RegisterVariable (&m_side);
 842
 843 //      Cvar_RegisterVariable (&cl_autofire);
 844
 845         Cmd_AddCommand ("entities", CL_PrintEntities_f);
 846         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
 847         Cmd_AddCommand ("record", CL_Record_f);
 848         Cmd_AddCommand ("stop", CL_Stop_f);
 849         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
 850         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
 851 }
 852