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 #include "cl_collision.h"
  24 #include "cl_video.h"
  25 #include "image.h"
  26
  27 // we need to declare some mouse variables here, because the menu system
  28 // references them even when on a unix system.
  29
  30 cvar_t cl_shownet = {0, "cl_shownet","0"};
  31 cvar_t cl_nolerp = {0, "cl_nolerp", "0"};
  32
  33 cvar_t cl_itembobheight = {0, "cl_itembobheight", "8"};
  34 cvar_t cl_itembobspeed = {0, "cl_itembobspeed", "0.5"};
  35
  36 cvar_t lookspring = {CVAR_SAVE, "lookspring","0"};
  37 cvar_t lookstrafe = {CVAR_SAVE, "lookstrafe","0"};
  38 cvar_t sensitivity = {CVAR_SAVE, "sensitivity","3", 1, 30};
  39
  40 cvar_t m_pitch = {CVAR_SAVE, "m_pitch","0.022"};
  41 cvar_t m_yaw = {CVAR_SAVE, "m_yaw","0.022"};
  42 cvar_t m_forward = {CVAR_SAVE, "m_forward","1"};
  43 cvar_t m_side = {CVAR_SAVE, "m_side","0.8"};
  44
  45 cvar_t freelook = {CVAR_SAVE, "freelook", "1"};
  46
  47 cvar_t r_draweffects = {0, "r_draweffects", "1"};
  48
  49 cvar_t cl_explosions = {CVAR_SAVE, "cl_explosions", "1"};
  50 cvar_t cl_stainmaps = {CVAR_SAVE, "cl_stainmaps", "1"};
  51
  52 cvar_t cl_beams_polygons = {CVAR_SAVE, "cl_beams_polygons", "1"};
  53 cvar_t cl_beams_relative = {CVAR_SAVE, "cl_beams_relative", "1"};
  54 cvar_t cl_beams_lightatend = {CVAR_SAVE, "cl_beams_lightatend", "0"};
  55
  56 cvar_t cl_noplayershadow = {CVAR_SAVE, "cl_noplayershadow", "0"};
  57
  58 mempool_t *cl_refdef_mempool;
  59 mempool_t *cl_entities_mempool;
  60
  61 client_static_t cls;
  62 client_state_t  cl;
  63
  64 int cl_max_entities;
  65 int cl_max_static_entities;
  66 int cl_max_temp_entities;
  67 int cl_max_effects;
  68 int cl_max_beams;
  69 int cl_max_dlights;
  70 int cl_max_lightstyle;
  71 int cl_max_brushmodel_entities;
  72
  73 entity_t *cl_entities;
  74 qbyte *cl_entities_active;
  75 entity_t *cl_static_entities;
  76 entity_t *cl_temp_entities;
  77 cl_effect_t *cl_effects;
  78 beam_t *cl_beams;
  79 dlight_t *cl_dlights;
  80 lightstyle_t *cl_lightstyle;
  81 entity_render_t **cl_brushmodel_entities;
  82
  83 int cl_num_entities;
  84 int cl_num_static_entities;
  85 int cl_num_temp_entities;
  86 int cl_num_brushmodel_entities;
  87
  88 /*
  89 =====================
  90 CL_ClearState
  91
  92 =====================
  93 */
  94 void CL_ClearState(void)
  95 {
  96         int i;
  97
  98         if (!sv.active)
  99                 Host_ClearMemory ();
 100
 101         // note: this also gets rid of the entity database
 102         Mem_EmptyPool(cl_entities_mempool);
 103
 104 // wipe the entire cl structure
 105         memset (&cl, 0, sizeof(cl));
 106
 107         SZ_Clear (&cls.message);
 108
 109         cl_num_entities = 0;
 110         cl_num_static_entities = 0;
 111         cl_num_temp_entities = 0;
 112         cl_num_brushmodel_entities = 0;
 113
 114         // tweak these if the game runs out
 115         cl_max_entities = MAX_EDICTS;
 116         cl_max_static_entities = 256;
 117         cl_max_temp_entities = 512;
 118         cl_max_effects = 256;
 119         cl_max_beams = 24;
 120         cl_max_dlights = MAX_DLIGHTS;
 121         cl_max_lightstyle = MAX_LIGHTSTYLES;
 122         cl_max_brushmodel_entities = MAX_EDICTS;
 123
 124         cl_entities = Mem_Alloc(cl_entities_mempool, cl_max_entities * sizeof(entity_t));
 125         cl_entities_active = Mem_Alloc(cl_entities_mempool, cl_max_entities * sizeof(qbyte));
 126         cl_static_entities = Mem_Alloc(cl_entities_mempool, cl_max_static_entities * sizeof(entity_t));
 127         cl_temp_entities = Mem_Alloc(cl_entities_mempool, cl_max_temp_entities * sizeof(entity_t));
 128         cl_effects = Mem_Alloc(cl_entities_mempool, cl_max_effects * sizeof(cl_effect_t));
 129         cl_beams = Mem_Alloc(cl_entities_mempool, cl_max_beams * sizeof(beam_t));
 130         cl_dlights = Mem_Alloc(cl_entities_mempool, cl_max_dlights * sizeof(dlight_t));
 131         cl_lightstyle = Mem_Alloc(cl_entities_mempool, cl_max_lightstyle * sizeof(lightstyle_t));
 132         cl_brushmodel_entities = Mem_Alloc(cl_entities_mempool, cl_max_brushmodel_entities * sizeof(entity_render_t *));
 133
 134         CL_Screen_NewMap();
 135
 136         CL_Particles_Clear();
 137
 138         // LordHavoc: have to set up the baseline info for alpha and other stuff
 139         for (i = 0;i < cl_max_entities;i++)
 140         {
 141                 ClearStateToDefault(&cl_entities[i].state_baseline);
 142                 ClearStateToDefault(&cl_entities[i].state_previous);
 143                 ClearStateToDefault(&cl_entities[i].state_current);
 144         }
 145
 146         CL_CGVM_Clear();
 147 }
 148
 149 /*
 150 =====================
 151 CL_Disconnect
 152
 153 Sends a disconnect message to the server
 154 This is also called on Host_Error, so it shouldn't cause any errors
 155 =====================
 156 */
 157 void CL_Disconnect(void)
 158 {
 159         if (cls.state == ca_dedicated)
 160                 return;
 161
 162 // stop sounds (especially looping!)
 163         S_StopAllSounds (true);
 164
 165         // clear contents blends
 166         cl.cshifts[0].percent = 0;
 167         cl.cshifts[1].percent = 0;
 168         cl.cshifts[2].percent = 0;
 169         cl.cshifts[3].percent = 0;
 170
 171         cl.worldmodel = NULL;
 172
 173         if (cls.demoplayback)
 174                 CL_StopPlayback();
 175         else if (cls.netcon)
 176         {
 177                 if (cls.demorecording)
 178                         CL_Stop_f();
 179
 180                 Con_DPrintf("Sending clc_disconnect\n");
 181                 SZ_Clear(&cls.message);
 182                 MSG_WriteByte(&cls.message, clc_disconnect);
 183                 NetConn_SendUnreliableMessage(cls.netcon, &cls.message);
 184                 SZ_Clear(&cls.message);
 185                 NetConn_Close(cls.netcon);
 186                 cls.netcon = NULL;
 187                 // if running a local server, shut it down
 188                 if (sv.active)
 189                 {
 190                         // prevent this code from executing again during Host_ShutdownServer
 191                         cls.state = ca_disconnected;
 192                         Host_ShutdownServer(false);
 193                 }
 194         }
 195         cls.state = ca_disconnected;
 196
 197         cls.demoplayback = cls.timedemo = false;
 198         cls.signon = 0;
 199 }
 200
 201 void CL_Disconnect_f(void)
 202 {
 203         CL_Disconnect ();
 204         if (sv.active)
 205                 Host_ShutdownServer (false);
 206 }
 207
 208
 209
 210
 211 /*
 212 =====================
 213 CL_EstablishConnection
 214
 215 Host should be either "local" or a net address
 216 =====================
 217 */
 218 void CL_EstablishConnection(const char *host)
 219 {
 220         if (cls.state == ca_dedicated)
 221                 return;
 222
 223         // clear menu's connect error message
 224         m_return_reason[0] = 0;
 225         cls.demonum = -1;
 226
 227         if (LHNETADDRESS_FromString(&cls.connect_address, host, 26000) && (cls.connect_mysocket = NetConn_ChooseClientSocketForAddress(&cls.connect_address)))
 228         {
 229                 // stop demo loop in case this fails
 230                 CL_Disconnect();
 231
 232                 cls.connect_trying = true;
 233                 cls.connect_remainingtries = 3;
 234                 cls.connect_nextsendtime = 0;
 235                 if (sv.active)
 236                 {
 237                         NetConn_ClientFrame();
 238                         NetConn_ServerFrame();
 239                         NetConn_ClientFrame();
 240                         NetConn_ServerFrame();
 241                         NetConn_ClientFrame();
 242                         NetConn_ServerFrame();
 243                         NetConn_ClientFrame();
 244                         NetConn_ServerFrame();
 245                 }
 246         }
 247         else
 248         {
 249                 Con_Printf("Unable to find a suitable network socket to connect to server.\n");
 250                 strcpy(m_return_reason, "No network");
 251         }
 252 }
 253
 254 /*
 255 ==============
 256 CL_PrintEntities_f
 257 ==============
 258 */
 259 static void CL_PrintEntities_f(void)
 260 {
 261         entity_t *ent;
 262         int i, j;
 263         char name[32];
 264
 265         for (i = 0, ent = cl_entities;i < cl_num_entities;i++, ent++)
 266         {
 267                 if (!ent->state_current.active)
 268                         continue;
 269
 270                 if (ent->render.model)
 271                         strncpy(name, ent->render.model->name, 25);
 272                 else
 273                         strcpy(name, "--no model--");
 274                 name[25] = 0;
 275                 for (j = strlen(name);j < 25;j++)
 276                         name[j] = ' ';
 277                 Con_Printf ("%3i: %s:%04i (%5i %5i %5i) [%3i %3i %3i] %4.2f %5.3f\n", i, name, ent->render.frame, (int) ent->render.origin[0], (int) ent->render.origin[1], (int) ent->render.origin[2], (int) ent->render.angles[0] % 360, (int) ent->render.angles[1] % 360, (int) ent->render.angles[2] % 360, ent->render.scale, ent->render.alpha);
 278         }
 279 }
 280
 281 //static const vec3_t nomodelmins = {-16, -16, -16};
 282 //static const vec3_t nomodelmaxs = {16, 16, 16};
 283 void CL_BoundingBoxForEntity(entity_render_t *ent)
 284 {
 285         if (ent->model)
 286         {
 287                 //if (ent->angles[0] || ent->angles[2])
 288                 if (ent->matrix.m[2][0] != 0 || ent->matrix.m[2][1] != 0)
 289                 {
 290                         // pitch or roll
 291                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->rotatedmins[0];
 292                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->rotatedmins[1];
 293                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->rotatedmins[2];
 294                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->rotatedmaxs[0];
 295                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->rotatedmaxs[1];
 296                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->rotatedmaxs[2];
 297                         //VectorAdd(ent->origin, ent->model->rotatedmins, ent->mins);
 298                         //VectorAdd(ent->origin, ent->model->rotatedmaxs, ent->maxs);
 299                 }
 300                 //else if (ent->angles[1])
 301                 else if (ent->matrix.m[0][1] != 0 || ent->matrix.m[1][0] != 0)
 302                 {
 303                         // yaw
 304                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->yawmins[0];
 305                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->yawmins[1];
 306                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->yawmins[2];
 307                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->yawmaxs[0];
 308                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->yawmaxs[1];
 309                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->yawmaxs[2];
 310                         //VectorAdd(ent->origin, ent->model->yawmins, ent->mins);
 311                         //VectorAdd(ent->origin, ent->model->yawmaxs, ent->maxs);
 312                 }
 313                 else
 314                 {
 315                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->normalmins[0];
 316                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->normalmins[1];
 317                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->normalmins[2];
 318                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->normalmaxs[0];
 319                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->normalmaxs[1];
 320                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->normalmaxs[2];
 321                         //VectorAdd(ent->origin, ent->model->normalmins, ent->mins);
 322                         //VectorAdd(ent->origin, ent->model->normalmaxs, ent->maxs);
 323                 }
 324         }
 325         else
 326         {
 327                 ent->mins[0] = ent->matrix.m[0][3] - 16;
 328                 ent->mins[1] = ent->matrix.m[1][3] - 16;
 329                 ent->mins[2] = ent->matrix.m[2][3] - 16;
 330                 ent->maxs[0] = ent->matrix.m[0][3] + 16;
 331                 ent->maxs[1] = ent->matrix.m[1][3] + 16;
 332                 ent->maxs[2] = ent->matrix.m[2][3] + 16;
 333                 //VectorAdd(ent->origin, nomodelmins, ent->mins);
 334                 //VectorAdd(ent->origin, nomodelmaxs, ent->maxs);
 335         }
 336 }
 337
 338 /*
 339 ===============
 340 CL_LerpPoint
 341
 342 Determines the fraction between the last two messages that the objects
 343 should be put at.
 344 ===============
 345 */
 346 static float CL_LerpPoint(void)
 347 {
 348         float f;
 349
 350         // dropped packet, or start of demo
 351         if (cl.mtime[1] < cl.mtime[0] - 0.1)
 352                 cl.mtime[1] = cl.mtime[0] - 0.1;
 353
 354         cl.time = bound(cl.mtime[1], cl.time, cl.mtime[0]);
 355
 356         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 357         f = cl.mtime[0] - cl.mtime[1];
 358         if (!f || cl_nolerp.integer || cls.timedemo || cl.islocalgame)
 359         {
 360                 cl.time = cl.mtime[0];
 361                 return 1;
 362         }
 363
 364         f = (cl.time - cl.mtime[1]) / f;
 365         return bound(0, f, 1);
 366 }
 367
 368 void CL_ClearTempEntities (void)
 369 {
 370         cl_num_temp_entities = 0;
 371 }
 372
 373 entity_t *CL_NewTempEntity(void)
 374 {
 375         entity_t *ent;
 376
 377         if (r_refdef.numentities >= r_refdef.maxentities)
 378                 return NULL;
 379         if (cl_num_temp_entities >= cl_max_temp_entities)
 380                 return NULL;
 381         ent = &cl_temp_entities[cl_num_temp_entities++];
 382         memset (ent, 0, sizeof(*ent));
 383         r_refdef.entities[r_refdef.numentities++] = &ent->render;
 384
 385         ent->render.colormap = -1; // no special coloring
 386         ent->render.scale = 1;
 387         ent->render.alpha = 1;
 388         return ent;
 389 }
 390
 391 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
 392 {
 393         int i;
 394         cl_effect_t *e;
 395         if (!modelindex) // sanity check
 396                 return;
 397         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
 398         {
 399                 if (e->active)
 400                         continue;
 401                 e->active = true;
 402                 VectorCopy(org, e->origin);
 403                 e->modelindex = modelindex;
 404                 e->starttime = cl.time;
 405                 e->startframe = startframe;
 406                 e->endframe = startframe + framecount;
 407                 e->framerate = framerate;
 408
 409                 e->frame = 0;
 410                 e->frame1time = cl.time;
 411                 e->frame2time = cl.time;
 412                 break;
 413         }
 414 }
 415
 416 void CL_AllocDlight(entity_render_t *ent, vec3_t org, float radius, float red, float green, float blue, float decay, float lifetime)
 417 {
 418         int i;
 419         dlight_t *dl;
 420
 421         /*
 422 // first look for an exact key match
 423         if (ent)
 424         {
 425                 dl = cl_dlights;
 426                 for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 427                         if (dl->ent == ent)
 428                                 goto dlightsetup;
 429         }
 430         */
 431
 432 // then look for anything else
 433         dl = cl_dlights;
 434         for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 435                 if (!dl->radius)
 436                         goto dlightsetup;
 437
 438         // unable to find one
 439         return;
 440
 441 dlightsetup:
 442         //Con_Printf("dlight %i : %f %f %f : %f %f %f\n", i, org[0], org[1], org[2], red * radius, green * radius, blue * radius);
 443         memset (dl, 0, sizeof(*dl));
 444         dl->ent = ent;
 445         CL_FindNonSolidLocation(org, dl->origin, 6);
 446         //VectorCopy(org, dl->origin);
 447         dl->radius = radius;
 448         dl->color[0] = red;
 449         dl->color[1] = green;
 450         dl->color[2] = blue;
 451         dl->decay = decay;
 452         if (lifetime)
 453                 dl->die = cl.time + lifetime;
 454         else
 455                 dl->die = 0;
 456 }
 457
 458 void CL_DecayLights(void)
 459 {
 460         int i;
 461         dlight_t *dl;
 462         float time;
 463
 464         time = cl.time - cl.oldtime;
 465         for (i = 0, dl = cl_dlights;i < MAX_DLIGHTS;i++, dl++)
 466                 if (dl->radius)
 467                         dl->radius = (cl.time < dl->die) ? max(0, dl->radius - time * dl->decay) : 0;
 468 }
 469
 470 #define MAXVIEWMODELS 32
 471 entity_t *viewmodels[MAXVIEWMODELS];
 472 int numviewmodels;
 473
 474 matrix4x4_t viewmodelmatrix;
 475
 476 static int entitylinkframenumber;
 477
 478 static const vec3_t muzzleflashorigin = {18, 0, 0};
 479
 480 extern void V_DriftPitch(void);
 481 extern void V_FadeViewFlashs(void);
 482 extern void V_CalcViewBlend(void);
 483
 484 extern void V_CalcRefdef(void);
 485 // note this is a recursive function, but it can never get in a runaway loop (because of the delayedlink flags)
 486 void CL_LinkNetworkEntity(entity_t *e)
 487 {
 488         matrix4x4_t *matrix, blendmatrix, tempmatrix, matrix2;
 489         int j, k, l, trailtype, temp;
 490         float origin[3], angles[3], delta[3], lerp, dlightcolor[3], mins[3], maxs[3], v[3], v2[3], d;
 491         entity_t *t;
 492         model_t *model;
 493         //entity_persistent_t *p = &e->persistent;
 494         //entity_render_t *r = &e->render;
 495         if (e->persistent.linkframe != entitylinkframenumber)
 496         {
 497                 e->persistent.linkframe = entitylinkframenumber;
 498                 // skip inactive entities and world
 499                 if (!e->state_current.active || e == cl_entities)
 500                         return;
 501                 if (e->render.flags & RENDER_VIEWMODEL)
 502                 {
 503                         if (cl.stats[STAT_HEALTH] <= 0 || !r_drawviewmodel.integer || chase_active.integer || envmap || (cl.items & IT_INVISIBILITY))
 504                                 return;
 505                         if (cl.viewentity)
 506                                 CL_LinkNetworkEntity(cl_entities + cl.viewentity);
 507                         matrix = &viewmodelmatrix;
 508                         if (e == &cl.viewent && cl.viewentity >= 0 && cl.viewentity < MAX_EDICTS && cl_entities[cl.viewentity].state_current.active)
 509                         {
 510                                 e->state_current.alpha = cl_entities[cl.viewentity].state_current.alpha;
 511                                 e->state_current.effects = EF_NOSHADOW | (cl_entities[cl.viewentity].state_current.effects & (EF_ADDITIVE | EF_REFLECTIVE | EF_FULLBRIGHT));
 512                         }
 513                 }
 514                 else
 515                 {
 516                         t = cl_entities + e->state_current.tagentity;
 517                         if (!t->state_current.active)
 518                                 return;
 519                         // note: this can link to world
 520                         CL_LinkNetworkEntity(t);
 521                         // make relative to the entity
 522                         matrix = &t->render.matrix;
 523                         // if a valid tagindex is used, make it relative to that tag instead
 524                         if (e->state_current.tagentity && e->state_current.tagindex >= 1 && (model = t->render.model) && e->state_current.tagindex <= t->render.model->alias.aliasnum_tags)
 525                         {
 526                                 // blend the matrices
 527                                 memset(&blendmatrix, 0, sizeof(blendmatrix));
 528                                 for (j = 0;j < 4 && t->render.frameblend[j].lerp > 0;j++)
 529                                 {
 530                                         matrix = &t->render.model->alias.aliasdata_tags[t->render.frameblend[j].frame * t->render.model->alias.aliasnum_tags + (e->state_current.tagindex - 1)].matrix;
 531                                         d = t->render.frameblend[j].lerp;
 532                                         for (l = 0;l < 4;l++)
 533                                                 for (k = 0;k < 4;k++)
 534                                                         blendmatrix.m[l][k] += d * matrix->m[l][k];
 535                                 }
 536                                 // concat the tag matrices onto the entity matrix
 537                                 Matrix4x4_Concat(&tempmatrix, &t->render.matrix, &blendmatrix);
 538                                 // use the constructed tag matrix
 539                                 matrix = &tempmatrix;
 540                         }
 541                 }
 542                 e->render.alpha = e->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 543                 e->render.scale = e->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 544                 e->render.flags = e->state_current.flags;
 545                 if (e - cl_entities == cl.viewentity)
 546                         e->render.flags |= RENDER_EXTERIORMODEL;
 547                 e->render.effects = e->state_current.effects;
 548                 if (e->state_current.flags & RENDER_COLORMAPPED)
 549                         e->render.colormap = e->state_current.colormap;
 550                 else if (cl.scores != NULL && e->state_current.colormap)
 551                         e->render.colormap = cl.scores[e->state_current.colormap - 1].colors; // color it
 552                 else
 553                         e->render.colormap = -1; // no special coloring
 554                 e->render.skinnum = e->state_current.skin;
 555                 // set up the render matrix
 556                 if (e->state_previous.active && e->state_current.modelindex == e->state_previous.modelindex)
 557                 {
 558                         // movement lerp
 559                         if (e->persistent.lerpdeltatime > 0 && (lerp = (cl.time - e->persistent.lerpstarttime) / e->persistent.lerpdeltatime) < 1)
 560                         {
 561                                 // interpolate the origin and angles
 562                                 VectorLerp(e->persistent.oldorigin, lerp, e->persistent.neworigin, origin);
 563                                 VectorSubtract(e->persistent.newangles, e->persistent.oldangles, delta);
 564                                 if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
 565                                 if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
 566                                 if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
 567                                 VectorMA(e->persistent.oldangles, lerp, delta, angles);
 568                         }
 569                         else
 570                         {
 571                                 // no interpolation
 572                                 VectorCopy(e->persistent.neworigin, origin);
 573                                 VectorCopy(e->persistent.newangles, angles);
 574                         }
 575                         // animation lerp
 576                         if (e->render.frame2 == e->state_current.frame)
 577                         {
 578                                 // update frame lerp fraction
 579                                 e->render.framelerp = 1;
 580                                 if (e->render.frame2time > e->render.frame1time)
 581                                 {
 582                                         e->render.framelerp = (cl.time - e->render.frame2time) / (e->render.frame2time - e->render.frame1time);
 583                                         e->render.framelerp = bound(0, e->render.framelerp, 1);
 584                                 }
 585                         }
 586                         else
 587                         {
 588                                 // begin a new frame lerp
 589                                 e->render.frame1 = e->render.frame2;
 590                                 e->render.frame1time = e->render.frame2time;
 591                                 e->render.frame = e->render.frame2 = e->state_current.frame;
 592                                 e->render.frame2time = cl.time;
 593                                 e->render.framelerp = 0;
 594                         }
 595                 }
 596                 else
 597                 {
 598                         // no interpolation
 599                         VectorCopy(e->persistent.neworigin, origin);
 600                         VectorCopy(e->persistent.newangles, angles);
 601                         e->render.frame = e->render.frame1 = e->render.frame2 = e->state_current.frame;
 602                         e->render.frame1time = e->render.frame2time = cl.time;
 603                         e->render.framelerp = 1;
 604                 }
 605
 606                 e->render.model = cl.model_precache[e->state_current.modelindex];
 607                 if (e->render.model)
 608                 {
 609                         Mod_CheckLoaded(e->render.model);
 610                         if (e->render.model->type == mod_alias || e->render.model->type == mod_sprite)
 611                                 angles[0] = -angles[0];
 612                         if (e->render.model->flags & EF_ROTATE)
 613                         {
 614                                 angles[1] = ANGLEMOD(100*cl.time);
 615                                 if (cl_itembobheight.value)
 616                                         origin[2] += (cos(cl.time * cl_itembobspeed.value * (2.0 * M_PI)) + 1.0) * 0.5 * cl_itembobheight.value;
 617                         }
 618                 }
 619
 620                 R_LerpAnimation(&e->render);
 621
 622                 // FIXME: e->render.scale should go away
 623                 Matrix4x4_CreateFromQuakeEntity(&matrix2, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
 624                 // concat the matrices to make the entity relative to its tag
 625                 Matrix4x4_Concat(&e->render.matrix, matrix, &matrix2);
 626                 // make the other useful stuff
 627                 Matrix4x4_Invert_Simple(&e->render.inversematrix, &e->render.matrix);
 628                 CL_BoundingBoxForEntity(&e->render);
 629
 630                 // handle effects now that we know where this entity is in the world...
 631                 origin[0] = e->render.matrix.m[0][3];
 632                 origin[1] = e->render.matrix.m[1][3];
 633                 origin[2] = e->render.matrix.m[2][3];
 634                 trailtype = -1;
 635                 dlightcolor[0] = 0;
 636                 dlightcolor[1] = 0;
 637                 dlightcolor[2] = 0;
 638                 // LordHavoc: if the entity has no effects, don't check each
 639                 if (e->render.effects)
 640                 {
 641                         if (e->render.effects & EF_BRIGHTFIELD)
 642                         {
 643                                 if (gamemode == GAME_NEXUIZ)
 644                                 {
 645                                         dlightcolor[0] += 100.0f;
 646                                         dlightcolor[1] += 200.0f;
 647                                         dlightcolor[2] += 400.0f;
 648                                         trailtype = 8;
 649                                 }
 650                                 else
 651                                         CL_EntityParticles(e);
 652                         }
 653                         if (e->render.effects & EF_MUZZLEFLASH)
 654                                 e->persistent.muzzleflash = 100.0f;
 655                         if (e->render.effects & EF_DIMLIGHT)
 656                         {
 657                                 dlightcolor[0] += 200.0f;
 658                                 dlightcolor[1] += 200.0f;
 659                                 dlightcolor[2] += 200.0f;
 660                         }
 661                         if (e->render.effects & EF_BRIGHTLIGHT)
 662                         {
 663                                 dlightcolor[0] += 400.0f;
 664                                 dlightcolor[1] += 400.0f;
 665                                 dlightcolor[2] += 400.0f;
 666                         }
 667                         // LordHavoc: more effects
 668                         if (e->render.effects & EF_RED) // red
 669                         {
 670                                 dlightcolor[0] += 200.0f;
 671                                 dlightcolor[1] +=  20.0f;
 672                                 dlightcolor[2] +=  20.0f;
 673                         }
 674                         if (e->render.effects & EF_BLUE) // blue
 675                         {
 676                                 dlightcolor[0] +=  20.0f;
 677                                 dlightcolor[1] +=  20.0f;
 678                                 dlightcolor[2] += 200.0f;
 679                         }
 680                         if (e->render.effects & EF_FLAME)
 681                         {
 682                                 mins[0] = origin[0] - 16.0f;
 683                                 mins[1] = origin[1] - 16.0f;
 684                                 mins[2] = origin[2] - 16.0f;
 685                                 maxs[0] = origin[0] + 16.0f;
 686                                 maxs[1] = origin[1] + 16.0f;
 687                                 maxs[2] = origin[2] + 16.0f;
 688                                 // how many flames to make
 689                                 temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
 690                                 CL_FlameCube(mins, maxs, temp);
 691                                 d = lhrandom(200, 250);
 692                                 dlightcolor[0] += d * 1.0f;
 693                                 dlightcolor[1] += d * 0.7f;
 694                                 dlightcolor[2] += d * 0.3f;
 695                         }
 696                         if (e->render.effects & EF_STARDUST)
 697                         {
 698                                 mins[0] = origin[0] - 16.0f;
 699                                 mins[1] = origin[1] - 16.0f;
 700                                 mins[2] = origin[2] - 16.0f;
 701                                 maxs[0] = origin[0] + 16.0f;
 702                                 maxs[1] = origin[1] + 16.0f;
 703                                 maxs[2] = origin[2] + 16.0f;
 704                                 // how many particles to make
 705                                 temp = (int) (cl.time * 200) - (int) (cl.oldtime * 200);
 706                                 CL_Stardust(mins, maxs, temp);
 707                                 d = 100;
 708                                 dlightcolor[0] += d * 1.0f;
 709                                 dlightcolor[1] += d * 0.7f;
 710                                 dlightcolor[2] += d * 0.3f;
 711                         }
 712                 }
 713                 // muzzleflash fades over time, and is offset a bit
 714                 if (e->persistent.muzzleflash > 0)
 715                 {
 716                         Matrix4x4_Transform(&e->render.matrix, muzzleflashorigin, v2);
 717                         CL_TraceLine(origin, v2, v, NULL, true, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_SKY);
 718                         CL_AllocDlight(NULL, v, e->persistent.muzzleflash, 1, 1, 1, 0, 0);
 719                         e->persistent.muzzleflash -= cl.frametime * 1000;
 720                 }
 721                 // LordHavoc: if the model has no flags, don't check each
 722                 if (e->render.model && e->render.model->flags)
 723                 {
 724                         if (e->render.model->flags & EF_GIB)
 725                                 trailtype = 2;
 726                         else if (e->render.model->flags & EF_ZOMGIB)
 727                                 trailtype = 4;
 728                         else if (e->render.model->flags & EF_TRACER)
 729                         {
 730                                 trailtype = 3;
 731                                 dlightcolor[0] += 0x10;
 732                                 dlightcolor[1] += 0x40;
 733                                 dlightcolor[2] += 0x10;
 734                         }
 735                         else if (e->render.model->flags & EF_TRACER2)
 736                         {
 737                                 trailtype = 5;
 738                                 dlightcolor[0] += 0x50;
 739                                 dlightcolor[1] += 0x30;
 740                                 dlightcolor[2] += 0x10;
 741                         }
 742                         else if (e->render.model->flags & EF_ROCKET)
 743                         {
 744                                 trailtype = 0;
 745                                 dlightcolor[0] += 200.0f;
 746                                 dlightcolor[1] += 160.0f;
 747                                 dlightcolor[2] +=  80.0f;
 748                         }
 749                         else if (e->render.model->flags & EF_GRENADE)
 750                         {
 751                                 // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
 752                                 trailtype = e->render.alpha == -1 ? 7 : 1;
 753                         }
 754                         else if (e->render.model->flags & EF_TRACER3)
 755                         {
 756                                 trailtype = 6;
 757                                 dlightcolor[0] += 0x50;
 758                                 dlightcolor[1] += 0x20;
 759                                 dlightcolor[2] += 0x40;
 760                         }
 761                 }
 762                 // LordHavoc: customizable glow
 763                 if (e->state_current.glowsize)
 764                 {
 765                         // * 4 for the expansion from 0-255 to 0-1023 range,
 766                         // / 255 to scale down byte colors
 767                         VectorMA(dlightcolor, e->state_current.glowsize * (4.0f / 255.0f), (qbyte *)&palette_complete[e->state_current.glowcolor], dlightcolor);
 768                 }
 769                 // make the dlight
 770                 if ((dlightcolor[0] || dlightcolor[1] || dlightcolor[2]) && !(e->render.flags & RENDER_VIEWMODEL) && !e->state_current.tagentity)
 771                 {
 772                         VectorCopy(origin, v);
 773                         // hack to make glowing player light shine on their gun
 774                         if ((e - cl_entities) == cl.viewentity/* && !chase_active.integer*/)
 775                                 v[2] += 30;
 776                         CL_AllocDlight(&e->render, v, 1, dlightcolor[0], dlightcolor[1], dlightcolor[2], 0, 0);
 777                 }
 778                 // trails need the previous frame
 779                 if (e->state_previous.active && e->state_previous.modelindex == e->state_current.modelindex)
 780                 {
 781                         if (e->render.flags & RENDER_GLOWTRAIL)
 782                                 CL_RocketTrail2(e->persistent.trail_origin, origin, e->state_current.glowcolor, e);
 783                         else if (trailtype >= 0)
 784                                 CL_RocketTrail(e->persistent.trail_origin, origin, trailtype, e);
 785                 }
 786                 VectorCopy(origin, e->persistent.trail_origin);
 787                 // note: the cl.viewentity and intermission check is to hide player
 788                 // shadow during intermission and during the Nehahra movie and
 789                 // Nehahra cinematics
 790                 if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE))
 791                  && (e->render.alpha == 1)
 792                  && !(e->render.flags & RENDER_VIEWMODEL)
 793                  && ((e - cl_entities) != cl.viewentity || (!cl.intermission && cl.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 794                         e->render.flags |= RENDER_SHADOW;
 795                 // as soon as player is known we can call V_CalcRefDef
 796                 if ((e - cl_entities) == cl.viewentity)
 797                         V_CalcRefdef();
 798                 if (e->render.model && e->render.model->name[0] == '*' && e->render.model->brush.TraceBox)
 799                         cl_brushmodel_entities[cl_num_brushmodel_entities++] = &e->render;
 800                 // don't show entities with no modelindex (note: this still shows
 801                 // entities which have a modelindex that resolved to a NULL model)
 802                 if (e->render.model && !(e->render.effects & EF_NODRAW) && r_refdef.numentities < r_refdef.maxentities)
 803                         r_refdef.entities[r_refdef.numentities++] = &e->render;
 804                 if (cl_num_entities < e->state_current.number + 1)
 805                         cl_num_entities = e->state_current.number + 1;
 806         }
 807 }
 808
 809 void CL_RelinkWorld(void)
 810 {
 811         entity_t *ent = &cl_entities[0];
 812         if (cl_num_entities < 1)
 813                 cl_num_entities = 1;
 814         cl_brushmodel_entities[cl_num_brushmodel_entities++] = &ent->render;
 815         // FIXME: this should be done at load
 816         Matrix4x4_CreateIdentity(&ent->render.matrix);
 817         Matrix4x4_CreateIdentity(&ent->render.inversematrix);
 818         CL_BoundingBoxForEntity(&ent->render);
 819 }
 820
 821 static void CL_RelinkStaticEntities(void)
 822 {
 823         int i;
 824         for (i = 0;i < cl_num_static_entities && r_refdef.numentities < r_refdef.maxentities;i++)
 825         {
 826                 Mod_CheckLoaded(cl_static_entities[i].render.model);
 827                 r_refdef.entities[r_refdef.numentities++] = &cl_static_entities[i].render;
 828         }
 829 }
 830
 831 /*
 832 ===============
 833 CL_RelinkEntities
 834 ===============
 835 */
 836 static void CL_RelinkNetworkEntities(void)
 837 {
 838         entity_t *ent;
 839         int i;
 840
 841         ent = &cl.viewent;
 842         ent->state_previous = ent->state_current;
 843         ClearStateToDefault(&ent->state_current);
 844         ent->state_current.time = cl.time;
 845         ent->state_current.number = -1;
 846         ent->state_current.active = true;
 847         ent->state_current.modelindex = cl.stats[STAT_WEAPON];
 848         ent->state_current.frame = cl.stats[STAT_WEAPONFRAME];
 849         ent->state_current.flags = RENDER_VIEWMODEL;
 850
 851         // start on the entity after the world
 852         entitylinkframenumber++;
 853         for (i = 1, ent = cl_entities + 1;i < MAX_EDICTS;i++, ent++)
 854         {
 855                 if (cl_entities_active[i])
 856                 {
 857                         if (ent->state_current.active)
 858                                 CL_LinkNetworkEntity(ent);
 859                         else
 860                                 cl_entities_active[i] = false;
 861                 }
 862         }
 863         CL_LinkNetworkEntity(&cl.viewent);
 864 }
 865
 866 static void CL_RelinkEffects(void)
 867 {
 868         int i, intframe;
 869         cl_effect_t *e;
 870         entity_t *ent;
 871         float frame;
 872
 873         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
 874         {
 875                 if (e->active)
 876                 {
 877                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
 878                         intframe = frame;
 879                         if (intframe < 0 || intframe >= e->endframe)
 880                         {
 881                                 memset(e, 0, sizeof(*e));
 882                                 continue;
 883                         }
 884
 885                         if (intframe != e->frame)
 886                         {
 887                                 e->frame = intframe;
 888                                 e->frame1time = e->frame2time;
 889                                 e->frame2time = cl.time;
 890                         }
 891
 892                         // if we're drawing effects, get a new temp entity
 893                         // (NewTempEntity adds it to the render entities list for us)
 894                         if (r_draweffects.integer && (ent = CL_NewTempEntity()))
 895                         {
 896                                 // interpolation stuff
 897                                 ent->render.frame1 = intframe;
 898                                 ent->render.frame2 = intframe + 1;
 899                                 if (ent->render.frame2 >= e->endframe)
 900                                         ent->render.frame2 = -1; // disappear
 901                                 ent->render.framelerp = frame - intframe;
 902                                 ent->render.frame1time = e->frame1time;
 903                                 ent->render.frame2time = e->frame2time;
 904
 905                                 // normal stuff
 906                                 ent->render.model = cl.model_precache[e->modelindex];
 907                                 ent->render.frame = ent->render.frame2;
 908                                 ent->render.colormap = -1; // no special coloring
 909                                 ent->render.alpha = 1;
 910
 911                                 Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, e->origin[0], e->origin[1], e->origin[2], 0, 0, 0, 1);
 912                                 Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
 913                                 CL_BoundingBoxForEntity(&ent->render);
 914                         }
 915                 }
 916         }
 917 }
 918
 919 void CL_RelinkBeams(void)
 920 {
 921         int i;
 922         beam_t *b;
 923         vec3_t dist, org;
 924         float d;
 925         entity_t *ent;
 926         float yaw, pitch;
 927         float forward;
 928
 929         for (i = 0, b = cl_beams;i < cl_max_beams;i++, b++)
 930         {
 931                 if (!b->model || b->endtime < cl.time)
 932                         continue;
 933
 934                 // if coming from the player, update the start position
 935                 //if (b->entity == cl.viewentity)
 936                 //      VectorCopy (cl_entities[cl.viewentity].render.origin, b->start);
 937                 if (cl_beams_relative.integer && b->entity && cl_entities[b->entity].state_current.active && b->relativestartvalid)
 938                 {
 939                         entity_state_t *p = &cl_entities[b->entity].state_previous;
 940                         //entity_state_t *c = &cl_entities[b->entity].state_current;
 941                         entity_render_t *r = &cl_entities[b->entity].render;
 942                         matrix4x4_t matrix, imatrix;
 943                         if (b->relativestartvalid == 2)
 944                         {
 945                                 // not really valid yet, we need to get the orientation now
 946                                 // (ParseBeam flagged this because it is received before
 947                                 //  entities are received, by now they have been received)
 948                                 // note: because players create lightning in their think
 949                                 // function (which occurs before movement), they actually
 950                                 // have some lag in it's location, so compare to the
 951                                 // previous player state, not the latest
 952                                 if (b->entity == cl.viewentity)
 953                                         Matrix4x4_CreateFromQuakeEntity(&matrix, p->origin[0], p->origin[1], p->origin[2] + 16, cl.viewangles[0], cl.viewangles[1], cl.viewangles[2], 1);
 954                                 else
 955                                         Matrix4x4_CreateFromQuakeEntity(&matrix, p->origin[0], p->origin[1], p->origin[2] + 16, p->angles[0], p->angles[1], p->angles[2], 1);
 956                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
 957                                 Matrix4x4_Transform(&imatrix, b->start, b->relativestart);
 958                                 Matrix4x4_Transform(&imatrix, b->end, b->relativeend);
 959                                 b->relativestartvalid = 1;
 960                         }
 961                         else
 962                         {
 963                                 if (b->entity == cl.viewentity)
 964                                         Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, cl.viewangles[0], cl.viewangles[1], cl.viewangles[2], 1);
 965                                 else
 966                                         Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, r->angles[0], r->angles[1], r->angles[2], 1);
 967                                 Matrix4x4_Transform(&matrix, b->relativestart, b->start);
 968                                 Matrix4x4_Transform(&matrix, b->relativeend, b->end);
 969                         }
 970                 }
 971
 972                 if (b->lightning)
 973                 {
 974                         if (cl_beams_lightatend.integer)
 975                                 CL_AllocDlight (NULL, b->end, 200, 0.3, 0.7, 1, 0, 0);
 976                         if (cl_beams_polygons.integer)
 977                                 continue;
 978                 }
 979
 980                 // calculate pitch and yaw
 981                 VectorSubtract (b->end, b->start, dist);
 982
 983                 if (dist[1] == 0 && dist[0] == 0)
 984                 {
 985                         yaw = 0;
 986                         if (dist[2] > 0)
 987                                 pitch = 90;
 988                         else
 989                                 pitch = 270;
 990                 }
 991                 else
 992                 {
 993                         yaw = (int) (atan2(dist[1], dist[0]) * 180 / M_PI);
 994                         if (yaw < 0)
 995                                 yaw += 360;
 996
 997                         forward = sqrt (dist[0]*dist[0] + dist[1]*dist[1]);
 998                         pitch = (int) (atan2(dist[2], forward) * 180 / M_PI);
 999                         if (pitch < 0)
1000                                 pitch += 360;
1001                 }
1002
1003                 // add new entities for the lightning
1004                 VectorCopy (b->start, org);
1005                 d = VectorNormalizeLength(dist);
1006                 while (d > 0)
1007                 {
1008                         ent = CL_NewTempEntity ();
1009                         if (!ent)
1010                                 return;
1011                         //VectorCopy (org, ent->render.origin);
1012                         ent->render.model = b->model;
1013                         ent->render.effects = EF_FULLBRIGHT;
1014                         //ent->render.angles[0] = pitch;
1015                         //ent->render.angles[1] = yaw;
1016                         //ent->render.angles[2] = rand()%360;
1017                         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, org[0], org[1], org[2], -pitch, yaw, lhrandom(0, 360), 1);
1018                         Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
1019                         CL_BoundingBoxForEntity(&ent->render);
1020                         VectorMA(org, 30, dist, org);
1021                         d -= 30;
1022                 }
1023         }
1024 }
1025
1026 void CL_LerpPlayer(float frac)
1027 {
1028         int i;
1029         float d;
1030
1031         cl.viewzoom = cl.viewzoomold + frac * (cl.viewzoomnew - cl.viewzoomold);
1032
1033         for (i = 0;i < 3;i++)
1034                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
1035
1036         if (cls.demoplayback)
1037         {
1038                 // interpolate the angles
1039                 for (i = 0;i < 3;i++)
1040                 {
1041                         d = cl.mviewangles[0][i] - cl.mviewangles[1][i];
1042                         if (d > 180)
1043                                 d -= 360;
1044                         else if (d < -180)
1045                                 d += 360;
1046                         cl.viewangles[i] = cl.mviewangles[1][i] + frac * d;
1047                 }
1048         }
1049 }
1050
1051 /*
1052 ===============
1053 CL_ReadFromServer
1054
1055 Read all incoming data from the server
1056 ===============
1057 */
1058 int CL_ReadFromServer(void)
1059 {
1060         CL_ReadDemoMessage();
1061
1062         r_refdef.numentities = 0;
1063         cl_num_entities = 0;
1064         cl_num_brushmodel_entities = 0;
1065
1066         if (cls.state == ca_connected && cls.signon == SIGNONS)
1067         {
1068                 // prepare for a new frame
1069                 CL_LerpPlayer(CL_LerpPoint());
1070                 CL_DecayLights();
1071                 CL_ClearTempEntities();
1072                 V_DriftPitch();
1073                 V_FadeViewFlashs();
1074
1075                 // relink network entities (note: this sets up the view!)
1076                 CL_RelinkNetworkEntities();
1077
1078                 // move particles
1079                 CL_MoveParticles();
1080
1081                 // link stuff
1082                 CL_RelinkWorld();
1083                 CL_RelinkStaticEntities();
1084                 CL_RelinkBeams();
1085                 CL_RelinkEffects();
1086
1087                 // run cgame code (which can add more entities)
1088                 CL_CGVM_Frame();
1089
1090                 // update view blend
1091                 V_CalcViewBlend();
1092         }
1093
1094         return 0;
1095 }
1096
1097 /*
1098 =================
1099 CL_SendCmd
1100 =================
1101 */
1102 void CL_SendCmd(void)
1103 {
1104         usercmd_t cmd;
1105
1106         if (cls.signon == SIGNONS)
1107         {
1108                 // get basic movement from keyboard
1109                 CL_BaseMove(&cmd);
1110
1111                 // OS independent code
1112                 IN_PreMove();
1113
1114                 // allow mice or other external controllers to add to the move
1115                 IN_Move(&cmd);
1116
1117                 // OS independent code
1118                 IN_PostMove();
1119
1120                 // send the unreliable message
1121                 CL_SendMove(&cmd);
1122         }
1123
1124         if (cls.demoplayback)
1125         {
1126                 SZ_Clear(&cls.message);
1127                 return;
1128         }
1129
1130         // send the reliable message (forwarded commands) if there is one
1131         if (cls.message.cursize && NetConn_CanSendMessage(cls.netcon))
1132         {
1133                 if (developer.integer)
1134                 {
1135                         Con_Printf("CL_SendCmd: sending reliable message:\n");
1136                         SZ_HexDumpToConsole(&cls.message);
1137                 }
1138                 if (NetConn_SendReliableMessage(cls.netcon, &cls.message) == -1)
1139                         Host_Error("CL_WriteToServer: lost server connection");
1140                 SZ_Clear(&cls.message);
1141         }
1142 }
1143
1144 // LordHavoc: pausedemo command
1145 static void CL_PauseDemo_f (void)
1146 {
1147         cls.demopaused = !cls.demopaused;
1148         if (cls.demopaused)
1149                 Con_Printf("Demo paused\n");
1150         else
1151                 Con_Printf("Demo unpaused\n");
1152 }
1153
1154 /*
1155 ======================
1156 CL_Fog_f
1157 ======================
1158 */
1159 static void CL_Fog_f (void)
1160 {
1161         if (Cmd_Argc () == 1)
1162         {
1163                 Con_Printf ("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
1164                 return;
1165         }
1166         fog_density = atof(Cmd_Argv(1));
1167         fog_red = atof(Cmd_Argv(2));
1168         fog_green = atof(Cmd_Argv(3));
1169         fog_blue = atof(Cmd_Argv(4));
1170 }
1171
1172 /*
1173 =================
1174 CL_Init
1175 =================
1176 */
1177 void CL_Init (void)
1178 {
1179         cl_entities_mempool = Mem_AllocPool("client entities");
1180         cl_refdef_mempool = Mem_AllocPool("refdef");
1181
1182         memset(&r_refdef, 0, sizeof(r_refdef));
1183         // max entities sent to renderer per frame
1184         r_refdef.maxentities = MAX_EDICTS + 256 + 512;
1185         r_refdef.entities = Mem_Alloc(cl_refdef_mempool, sizeof(entity_render_t *) * r_refdef.maxentities);
1186         // 256k drawqueue buffer
1187         r_refdef.maxdrawqueuesize = 256 * 1024;
1188         r_refdef.drawqueue = Mem_Alloc(cl_refdef_mempool, r_refdef.maxdrawqueuesize);
1189
1190         SZ_Alloc (&cls.message, 1024, "cls.message");
1191
1192         CL_InitInput ();
1193         CL_InitTEnts ();
1194
1195 //
1196 // register our commands
1197 //
1198         Cvar_RegisterVariable (&cl_upspeed);
1199         Cvar_RegisterVariable (&cl_forwardspeed);
1200         Cvar_RegisterVariable (&cl_backspeed);
1201         Cvar_RegisterVariable (&cl_sidespeed);
1202         Cvar_RegisterVariable (&cl_movespeedkey);
1203         Cvar_RegisterVariable (&cl_yawspeed);
1204         Cvar_RegisterVariable (&cl_pitchspeed);
1205         Cvar_RegisterVariable (&cl_anglespeedkey);
1206         Cvar_RegisterVariable (&cl_shownet);
1207         Cvar_RegisterVariable (&cl_nolerp);
1208         Cvar_RegisterVariable (&lookspring);
1209         Cvar_RegisterVariable (&lookstrafe);
1210         Cvar_RegisterVariable (&sensitivity);
1211         Cvar_RegisterVariable (&freelook);
1212
1213         Cvar_RegisterVariable (&m_pitch);
1214         Cvar_RegisterVariable (&m_yaw);
1215         Cvar_RegisterVariable (&m_forward);
1216         Cvar_RegisterVariable (&m_side);
1217
1218         Cvar_RegisterVariable (&cl_itembobspeed);
1219         Cvar_RegisterVariable (&cl_itembobheight);
1220
1221         Cmd_AddCommand ("entities", CL_PrintEntities_f);
1222         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
1223         Cmd_AddCommand ("record", CL_Record_f);
1224         Cmd_AddCommand ("stop", CL_Stop_f);
1225         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
1226         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
1227
1228         Cmd_AddCommand ("fog", CL_Fog_f);
1229
1230         // LordHavoc: added pausedemo
1231         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
1232
1233         Cvar_RegisterVariable(&r_draweffects);
1234         Cvar_RegisterVariable(&cl_explosions);
1235         Cvar_RegisterVariable(&cl_stainmaps);
1236         Cvar_RegisterVariable(&cl_beams_polygons);
1237         Cvar_RegisterVariable(&cl_beams_relative);
1238         Cvar_RegisterVariable(&cl_beams_lightatend);
1239         Cvar_RegisterVariable(&cl_noplayershadow);
1240
1241         CL_Parse_Init();
1242         CL_Particles_Init();
1243         CL_Screen_Init();
1244         CL_CGVM_Init();
1245
1246         CL_Video_Init();
1247 }
1248