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 extern int numgltextures;
 179 extern int texels;
 180
 181 /*
 182 =====================
 183 CL_SignonReply
 184
 185 An svc_signonnum has been received, perform a client side setup
 186 =====================
 187 */
 188 void CL_SignonReply (void)
 189 {
 190         char    str[8192];
 191
 192 Con_DPrintf ("CL_SignonReply: %i\n", cls.signon);
 193
 194         switch (cls.signon)
 195         {
 196         case 1:
 197                 MSG_WriteByte (&cls.message, clc_stringcmd);
 198                 MSG_WriteString (&cls.message, "prespawn");
 199                 break;
 200
 201         case 2:
 202                 MSG_WriteByte (&cls.message, clc_stringcmd);
 203                 MSG_WriteString (&cls.message, va("name \"%s\"\n", cl_name.string));
 204
 205                 MSG_WriteByte (&cls.message, clc_stringcmd);
 206                 MSG_WriteString (&cls.message, va("color %i %i\n", ((int)cl_color.value)>>4, ((int)cl_color.value)&15));
 207
 208                 if (cl_pmodel.value)
 209                 {
 210                         MSG_WriteByte (&cls.message, clc_stringcmd);
 211                         MSG_WriteString (&cls.message, va("pmodel %f\n", cl_pmodel.value));
 212                 }
 213
 214                 MSG_WriteByte (&cls.message, clc_stringcmd);
 215                 sprintf (str, "spawn %s", cls.spawnparms);
 216                 MSG_WriteString (&cls.message, str);
 217                 break;
 218
 219         case 3:
 220                 MSG_WriteByte (&cls.message, clc_stringcmd);
 221                 MSG_WriteString (&cls.message, "begin");
 222                 Cache_Report ();                // print remaining memory
 223                 break;
 224
 225         case 4:
 226                 SCR_EndLoadingPlaque ();                // allow normal screen updates
 227                 // LordHavoc: debugging purposes
 228                 Con_DPrintf("Texture slots in use: %i : %i : %i texels\n", texture_extension_number, numgltextures, texels);
 229                 break;
 230         }
 231 }
 232
 233 /*
 234 =====================
 235 CL_NextDemo
 236
 237 Called to play the next demo in the demo loop
 238 =====================
 239 */
 240 void CL_NextDemo (void)
 241 {
 242         char    str[1024];
 243
 244         if (cls.demonum == -1)
 245                 return;         // don't play demos
 246
 247         SCR_BeginLoadingPlaque ();
 248
 249         if (!cls.demos[cls.demonum][0] || cls.demonum == MAX_DEMOS)
 250         {
 251                 cls.demonum = 0;
 252                 if (!cls.demos[cls.demonum][0])
 253                 {
 254                         Con_Printf ("No demos listed with startdemos\n");
 255                         cls.demonum = -1;
 256                         return;
 257                 }
 258         }
 259
 260         sprintf (str,"playdemo %s\n", cls.demos[cls.demonum]);
 261         Cbuf_InsertText (str);
 262         cls.demonum++;
 263 }
 264
 265 /*
 266 ==============
 267 CL_PrintEntities_f
 268 ==============
 269 */
 270 void CL_PrintEntities_f (void)
 271 {
 272         entity_t        *ent;
 273         int                     i;
 274
 275         for (i=0,ent=cl_entities ; i<cl.num_entities ; i++,ent++)
 276         {
 277                 Con_Printf ("%3i:",i);
 278                 if (!ent->model)
 279                 {
 280                         Con_Printf ("EMPTY\n");
 281                         continue;
 282                 }
 283                 Con_Printf ("%s:%2i  (%5.1f,%5.1f,%5.1f) [%5.1f %5.1f %5.1f]\n"
 284                 ,ent->model->name,ent->frame, ent->origin[0], ent->origin[1], ent->origin[2], ent->angles[0], ent->angles[1], ent->angles[2]);
 285         }
 286 }
 287
 288
 289 /*
 290 ===============
 291 CL_AllocDlight
 292
 293 ===============
 294 */
 295 dlight_t *CL_AllocDlight (int key)
 296 {
 297         int             i;
 298         dlight_t        *dl;
 299
 300 // first look for an exact key match
 301         if (key)
 302         {
 303                 dl = cl_dlights;
 304                 for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
 305                 {
 306                         if (dl->key == key)
 307                         {
 308                                 memset (dl, 0, sizeof(*dl));
 309                                 dl->key = key;
 310                                 return dl;
 311                         }
 312                 }
 313         }
 314
 315 // then look for anything else
 316         dl = cl_dlights;
 317         for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
 318         {
 319                 if (dl->die < cl.time)
 320                 {
 321                         memset (dl, 0, sizeof(*dl));
 322                         dl->key = key;
 323                         return dl;
 324                 }
 325         }
 326
 327         dl = &cl_dlights[0];
 328         memset (dl, 0, sizeof(*dl));
 329         dl->key = key;
 330         return dl;
 331 }
 332
 333
 334 /*
 335 ===============
 336 CL_DecayLights
 337
 338 ===============
 339 */
 340 void CL_DecayLights (void)
 341 {
 342         int                     i;
 343         dlight_t        *dl;
 344         float           time;
 345
 346         time = cl.time - cl.oldtime;
 347
 348         dl = cl_dlights;
 349         for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
 350         {
 351                 if (dl->die < cl.time || !dl->radius)
 352                         continue;
 353
 354                 dl->radius -= time*dl->decay;
 355                 if (dl->radius < 0)
 356                         dl->radius = 0;
 357         }
 358 }
 359
 360
 361 /*
 362 ===============
 363 CL_LerpPoint
 364
 365 Determines the fraction between the last two messages that the objects
 366 should be put at.
 367 ===============
 368 */
 369 float   CL_LerpPoint (void)
 370 {
 371         float   f, frac;
 372
 373         f = cl.mtime[0] - cl.mtime[1];
 374
 375         if (!f || cl_nolerp.value || cls.timedemo || sv.active)
 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
 411 /*
 412 ===============
 413 CL_RelinkEntities
 414 ===============
 415 */
 416 void R_RocketTrail2 (vec3_t start, vec3_t end, int color, entity_t *ent);
 417 void CL_RelinkEntities (void)
 418 {
 419         entity_t        *ent;
 420         int                     i, j;
 421         float           frac, f, d;
 422         vec3_t          delta;
 423         float           bobjrotate;
 424         vec3_t          oldorg;
 425         dlight_t        *dl;
 426         byte            *tempcolor;
 427
 428 // determine partial update time
 429         frac = CL_LerpPoint ();
 430
 431         cl_numvisedicts = 0;
 432
 433 //
 434 // interpolate player info
 435 //
 436         for (i=0 ; i<3 ; i++)
 437                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
 438
 439         if (cls.demoplayback)
 440         {
 441         // interpolate the angles
 442                 for (j=0 ; j<3 ; j++)
 443                 {
 444                         d = cl.mviewangles[0][j] - cl.mviewangles[1][j];
 445                         if (d > 180)
 446                                 d -= 360;
 447                         else if (d < -180)
 448                                 d += 360;
 449                         cl.viewangles[j] = cl.mviewangles[1][j] + frac*d;
 450                 }
 451         }
 452
 453         bobjrotate = anglemod(100*cl.time);
 454
 455 // start on the entity after the world
 456         for (i=1,ent=cl_entities+1 ; i<cl.num_entities ; i++,ent++)
 457         {
 458                 if (!ent->model)
 459                 {       // empty slot
 460                         if (ent->forcelink)
 461                                 R_RemoveEfrags (ent);   // just became empty
 462                         continue;
 463                 }
 464
 465 // if the object wasn't included in the last packet, remove it
 466                 if (ent->msgtime != cl.mtime[0])
 467                 {
 468                         ent->model = NULL;
 469                         // LordHavoc: free on the same frame, not the next
 470                         if (ent->forcelink)
 471                                 R_RemoveEfrags (ent);   // just became empty
 472                         continue;
 473                 }
 474
 475                 // LordHavoc: animation interpolation, note: framegroups partially override this in the renderer
 476                 /*
 477                 if (ent->model != ent->lerp_model || ent->lerp_time > cl.time)
 478                 {
 479                         ent->lerp_frame1 = ent->lerp_frame2 = ent->frame;
 480                         ent->lerp_time = cl.time;
 481                         ent->lerp = 0;
 482                 }
 483                 else if (ent->frame != ent->lerp_frame2)
 484                 {
 485                         ent->lerp_frame1 = ent->lerpframe2;
 486                         ent->lerp_frame2 = ent->frame;
 487                         ent->lerp_time = cl.time;
 488                         ent->lerp = 0;
 489                 }
 490                 else
 491                         ent->lerp = bound(0, (cl.time - ent->lerp_time) * 10.0f, 1);
 492                 */
 493
 494                 VectorCopy (ent->origin, oldorg);
 495
 496                 if (ent->forcelink)
 497                 {       // the entity was not updated in the last message
 498                         // so move to the final spot
 499                         VectorCopy (ent->msg_origins[0], ent->origin);
 500                         VectorCopy (ent->msg_angles[0], ent->angles);
 501                 }
 502                 else
 503                 {       // if the delta is large, assume a teleport and don't lerp
 504                         f = frac;
 505                         for (j=0 ; j<3 ; j++)
 506                         {
 507                                 delta[j] = ent->msg_origins[0][j] - ent->msg_origins[1][j];
 508                                 // LordHavoc: increased lerp tolerance from 100 to 200
 509                                 if (delta[j] > 200 || delta[j] < -200)
 510                                         f = 1;          // assume a teleportation, not a motion
 511                         }
 512
 513                 // interpolate the origin and angles
 514                         for (j=0 ; j<3 ; j++)
 515                         {
 516                                 ent->origin[j] = ent->msg_origins[1][j] + f*delta[j];
 517
 518                                 d = ent->msg_angles[0][j] - ent->msg_angles[1][j];
 519                                 if (d > 180)
 520                                         d -= 360;
 521                                 else if (d < -180)
 522                                         d += 360;
 523                                 ent->angles[j] = ent->msg_angles[1][j] + f*d;
 524                         }
 525
 526                 }
 527
 528                 if (ent->effects & EF_BRIGHTFIELD)
 529                         R_EntityParticles (ent);
 530                 if (ent->effects & EF_MUZZLEFLASH)
 531                 {
 532                         vec3_t          fv, rv, uv;
 533
 534                         dl = CL_AllocDlight (i);
 535                         VectorCopy (ent->origin,  dl->origin);
 536                         dl->origin[2] += 16;
 537                         AngleVectors (ent->angles, fv, rv, uv);
 538
 539                         VectorMA (dl->origin, 18, fv, dl->origin);
 540                         dl->radius = 100 + (rand()&31);
 541                         dl->die = cl.time + 0.1;
 542                         dl->color[0] = 1.0;dl->color[1] = 1.0;dl->color[2] = 1.0;
 543                 }
 544                 if (ent->effects & EF_BRIGHTLIGHT)
 545                 {
 546                         dl = CL_AllocDlight (i);
 547                         VectorCopy (ent->origin,  dl->origin);
 548                         dl->origin[2] += 16;
 549                         dl->radius = 400 + (rand()&31);
 550                         dl->die = cl.time + 0.001;
 551                         dl->color[0] = 1.0;dl->color[1] = 1.0;dl->color[2] = 1.0;
 552                 }
 553                 if (ent->effects & EF_DIMLIGHT)
 554                 {
 555                         dl = CL_AllocDlight (i);
 556                         VectorCopy (ent->origin,  dl->origin);
 557                         dl->radius = 200 + (rand()&31);
 558                         dl->die = cl.time + 0.001;
 559                         dl->color[0] = 1.0;dl->color[1] = 1.0;dl->color[2] = 1.0;
 560                 }
 561                 // LordHavoc: added EF_RED and EF_BLUE
 562                 if (ent->effects & EF_RED) // red
 563                 {
 564                         if (ent->effects & EF_BLUE) // magenta
 565                         {
 566                                 dl = CL_AllocDlight (i);
 567                                 VectorCopy (ent->origin,  dl->origin);
 568                                 dl->radius = 200 + (rand()&31);
 569                                 dl->die = cl.time + 0.001;
 570                                 dl->color[0] = 0.7;dl->color[1] = 0.07;dl->color[2] = 0.7;
 571                         }
 572                         else // red
 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] = 0.8;dl->color[1] = 0.05;dl->color[2] = 0.05;
 579                         }
 580                 }
 581                 else if (ent->effects & EF_BLUE) // blue
 582                 {
 583                         dl = CL_AllocDlight (i);
 584                         VectorCopy (ent->origin,  dl->origin);
 585                         dl->radius = 200 + (rand()&31);
 586                         dl->die = cl.time + 0.001;
 587                         dl->color[0] = 0.05;dl->color[1] = 0.05;dl->color[2] = 0.8;
 588                 }
 589
 590                 if (ent->model->flags) // LordHavoc: if the model has no flags, don't check each
 591                 {
 592                 // rotate binary objects locally
 593                         if (ent->model->flags & EF_ROTATE)
 594                                 ent->angles[1] = bobjrotate;
 595                         if (ent->model->flags & EF_GIB)
 596                                 R_RocketTrail (oldorg, ent->origin, 2, ent);
 597                         else if (ent->model->flags & EF_ZOMGIB)
 598                                 R_RocketTrail (oldorg, ent->origin, 4, ent);
 599                         else if (ent->model->flags & EF_TRACER)
 600                                 R_RocketTrail (oldorg, ent->origin, 3, ent);
 601                         else if (ent->model->flags & EF_TRACER2)
 602                                 R_RocketTrail (oldorg, ent->origin, 5, ent);
 603                         else if (ent->model->flags & EF_ROCKET)
 604                         {
 605                                 R_RocketTrail (oldorg, ent->origin, 0, ent);
 606                                 dl = CL_AllocDlight (i);
 607                                 VectorCopy (ent->origin, dl->origin);
 608                                 dl->radius = 200;
 609                                 dl->die = cl.time + 0.001;
 610                                 dl->color[0] = 1.0;dl->color[1] = 0.8;dl->color[2] = 0.4;
 611                         }
 612                         else if (ent->model->flags & EF_GRENADE)
 613                         {
 614                                 if (ent->alpha == -1) // LordHavoc: Nehahra dem compatibility
 615                                         R_RocketTrail (oldorg, ent->origin, 7, ent);
 616                                 else
 617                                         R_RocketTrail (oldorg, ent->origin, 1, ent);
 618                         }
 619                         else if (ent->model->flags & EF_TRACER3)
 620                                 R_RocketTrail (oldorg, ent->origin, 6, ent);
 621                 }
 622                 if (ent->glowsize) // LordHavoc: customizable glow
 623                 {
 624                         dl = CL_AllocDlight (i);
 625                         VectorCopy (ent->origin, dl->origin);
 626                         dl->radius = ent->glowsize;
 627                         dl->die = cl.time + 0.001;
 628                         tempcolor = (byte *)&d_8to24table[ent->glowcolor];
 629                         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);
 630                 }
 631                 if (ent->glowtrail) // LordHavoc: customizable glow and trail
 632                         R_RocketTrail2 (oldorg, ent->origin, ent->glowcolor, ent);
 633
 634                 ent->forcelink = false;
 635
 636                 if (i == cl.viewentity && !chase_active.value)
 637                         continue;
 638
 639 // LordHavoc: enabled EF_NODRAW
 640                 if (!ent->model || ent->effects & EF_NODRAW)
 641                         continue;
 642                 if (cl_numvisedicts < MAX_VISEDICTS)
 643                 {
 644                         cl_visedicts[cl_numvisedicts] = ent;
 645                         cl_numvisedicts++;
 646                 }
 647         }
 648
 649 }
 650
 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 += host_frametime;
 665
 666         do
 667         {
 668                 ret = CL_GetMessage ();
 669                 if (ret == -1)
 670                         Host_Error ("CL_ReadFromServer: lost server connection");
 671                 if (!ret)
 672                         break;
 673
 674                 cl.last_received_message = realtime;
 675                 CL_ParseServerMessage ();
 676         } while (ret && cls.state == ca_connected);
 677
 678         if (cl_shownet.value)
 679                 Con_Printf ("\n");
 680
 681         CL_RelinkEntities ();
 682         CL_UpdateTEnts ();
 683
 684 //
 685 // bring the links up to date
 686 //
 687         return 0;
 688 }
 689
 690 /*
 691 =================
 692 CL_SendCmd
 693 =================
 694 */
 695 void CL_SendCmd (void)
 696 {
 697         usercmd_t               cmd;
 698
 699         if (cls.state != ca_connected)
 700                 return;
 701
 702         if (cls.signon == SIGNONS)
 703         {
 704         // get basic movement from keyboard
 705                 CL_BaseMove (&cmd);
 706
 707         // allow mice or other external controllers to add to the move
 708                 IN_Move (&cmd);
 709
 710         // send the unreliable message
 711                 CL_SendMove (&cmd);
 712
 713         }
 714
 715         if (cls.demoplayback)
 716         {
 717                 SZ_Clear (&cls.message);
 718                 return;
 719         }
 720
 721 // send the reliable message
 722         if (!cls.message.cursize)
 723                 return;         // no message at all
 724
 725         if (!NET_CanSendMessage (cls.netcon))
 726         {
 727                 Con_DPrintf ("CL_WriteToServer: can't send\n");
 728                 return;
 729         }
 730
 731         if (NET_SendMessage (cls.netcon, &cls.message) == -1)
 732                 Host_Error ("CL_WriteToServer: lost server connection");
 733
 734         SZ_Clear (&cls.message);
 735 }
 736
 737 // LordHavoc: pausedemo command
 738 void CL_PauseDemo_f (void)
 739 {
 740         cls.demopaused = !cls.demopaused;
 741         if (cls.demopaused)
 742                 Con_Printf("Demo paused\n");
 743         else
 744                 Con_Printf("Demo unpaused\n");
 745 }
 746
 747 /*
 748 ======================
 749 CL_PModel_f
 750 LordHavoc: Intended for Nehahra, I personally think this is dumb, but Mindcrime won't listen.
 751 ======================
 752 */
 753 void CL_PModel_f (void)
 754 {
 755         int i;
 756         eval_t *val;
 757
 758         if (Cmd_Argc () == 1)
 759         {
 760                 Con_Printf ("\"pmodel\" is \"%s\"\n", cl_pmodel.string);
 761                 return;
 762         }
 763         i = atoi(Cmd_Argv(1));
 764
 765         if (cmd_source == src_command)
 766         {
 767                 if (cl_pmodel.value == i)
 768                         return;
 769                 Cvar_SetValue ("_cl_pmodel", i);
 770                 if (cls.state == ca_connected)
 771                         Cmd_ForwardToServer ();
 772                 return;
 773         }
 774
 775         host_client->pmodel = i;
 776         if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_pmodel)))
 777                 val->_float = i;
 778 }
 779
 780 /*
 781 ======================
 782 CL_Fog_f
 783 ======================
 784 */
 785 extern float fog_density, fog_red, fog_green, fog_blue;
 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