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         Mem_EmptyPool(cl_entities_mempool);
 102
 103 // wipe the entire cl structure
 104         memset (&cl, 0, sizeof(cl));
 105
 106         SZ_Clear (&cls.message);
 107
 108         cl_num_entities = 0;
 109         cl_num_static_entities = 0;
 110         cl_num_temp_entities = 0;
 111         cl_num_brushmodel_entities = 0;
 112
 113         // tweak these if the game runs out
 114         cl_max_entities = MAX_EDICTS;
 115         cl_max_static_entities = 256;
 116         cl_max_temp_entities = 512;
 117         cl_max_effects = 256;
 118         cl_max_beams = 24;
 119         cl_max_dlights = MAX_DLIGHTS;
 120         cl_max_lightstyle = MAX_LIGHTSTYLES;
 121         cl_max_brushmodel_entities = MAX_EDICTS;
 122
 123         cl_entities = Mem_Alloc(cl_entities_mempool, cl_max_entities * sizeof(entity_t));
 124         cl_entities_active = Mem_Alloc(cl_entities_mempool, cl_max_entities * sizeof(qbyte));
 125         cl_static_entities = Mem_Alloc(cl_entities_mempool, cl_max_static_entities * sizeof(entity_t));
 126         cl_temp_entities = Mem_Alloc(cl_entities_mempool, cl_max_temp_entities * sizeof(entity_t));
 127         cl_effects = Mem_Alloc(cl_entities_mempool, cl_max_effects * sizeof(cl_effect_t));
 128         cl_beams = Mem_Alloc(cl_entities_mempool, cl_max_beams * sizeof(beam_t));
 129         cl_dlights = Mem_Alloc(cl_entities_mempool, cl_max_dlights * sizeof(dlight_t));
 130         cl_lightstyle = Mem_Alloc(cl_entities_mempool, cl_max_lightstyle * sizeof(lightstyle_t));
 131         cl_brushmodel_entities = Mem_Alloc(cl_entities_mempool, cl_max_brushmodel_entities * sizeof(entity_render_t *));
 132
 133         CL_Screen_NewMap();
 134
 135         CL_Particles_Clear();
 136
 137         // LordHavoc: have to set up the baseline info for alpha and other stuff
 138         for (i = 0;i < cl_max_entities;i++)
 139         {
 140                 ClearStateToDefault(&cl_entities[i].state_baseline);
 141                 ClearStateToDefault(&cl_entities[i].state_previous);
 142                 ClearStateToDefault(&cl_entities[i].state_current);
 143         }
 144
 145         CL_CGVM_Clear();
 146 }
 147
 148 /*
 149 =====================
 150 CL_Disconnect
 151
 152 Sends a disconnect message to the server
 153 This is also called on Host_Error, so it shouldn't cause any errors
 154 =====================
 155 */
 156 void CL_Disconnect(void)
 157 {
 158         if (cls.state == ca_dedicated)
 159                 return;
 160
 161 // stop sounds (especially looping!)
 162         S_StopAllSounds (true);
 163
 164         // clear contents blends
 165         cl.cshifts[0].percent = 0;
 166         cl.cshifts[1].percent = 0;
 167         cl.cshifts[2].percent = 0;
 168         cl.cshifts[3].percent = 0;
 169
 170         cl.worldmodel = NULL;
 171
 172         if (cls.demoplayback)
 173                 CL_StopPlayback();
 174         else if (cls.netcon)
 175         {
 176                 if (cls.demorecording)
 177                         CL_Stop_f();
 178
 179                 Con_DPrintf("Sending clc_disconnect\n");
 180                 SZ_Clear(&cls.message);
 181                 MSG_WriteByte(&cls.message, clc_disconnect);
 182                 NetConn_SendUnreliableMessage(cls.netcon, &cls.message);
 183                 SZ_Clear(&cls.message);
 184                 NetConn_Close(cls.netcon);
 185                 cls.netcon = NULL;
 186                 // if running a local server, shut it down
 187                 if (sv.active)
 188                 {
 189                         // prevent this code from executing again during Host_ShutdownServer
 190                         cls.state = ca_disconnected;
 191                         Host_ShutdownServer(false);
 192                 }
 193         }
 194         cls.state = ca_disconnected;
 195
 196         cls.demoplayback = cls.timedemo = false;
 197         cls.signon = 0;
 198 }
 199
 200 void CL_Disconnect_f(void)
 201 {
 202         CL_Disconnect ();
 203         if (sv.active)
 204                 Host_ShutdownServer (false);
 205 }
 206
 207
 208
 209
 210 /*
 211 =====================
 212 CL_EstablishConnection
 213
 214 Host should be either "local" or a net address
 215 =====================
 216 */
 217 void CL_EstablishConnection(const char *host)
 218 {
 219         if (cls.state == ca_dedicated)
 220                 return;
 221
 222         // clear menu's connect error message
 223         m_return_reason[0] = 0;
 224
 225         // stop demo loop in case this fails
 226         cls.demonum = -1;
 227         CL_Disconnect();
 228
 229         if (LHNETADDRESS_FromString(&cls.connect_address, host, 26000) && (cls.connect_mysocket = NetConn_ChooseClientSocketForAddress(&cls.connect_address)))
 230         {
 231                 cls.connect_trying = true;
 232                 cls.connect_remainingtries = 3;
 233                 cls.connect_nextsendtime = 0;
 234                 if (sv.active)
 235                 {
 236                         NetConn_ClientFrame();
 237                         NetConn_ServerFrame();
 238                         NetConn_ClientFrame();
 239                         NetConn_ServerFrame();
 240                         NetConn_ClientFrame();
 241                         NetConn_ServerFrame();
 242                         NetConn_ClientFrame();
 243                         NetConn_ServerFrame();
 244                 }
 245         }
 246 }
 247
 248 /*
 249 ==============
 250 CL_PrintEntities_f
 251 ==============
 252 */
 253 static void CL_PrintEntities_f(void)
 254 {
 255         entity_t *ent;
 256         int i, j;
 257         char name[32];
 258
 259         for (i = 0, ent = cl_entities;i < cl_num_entities;i++, ent++)
 260         {
 261                 if (!ent->state_current.active)
 262                         continue;
 263
 264                 if (ent->render.model)
 265                         strncpy(name, ent->render.model->name, 25);
 266                 else
 267                         strcpy(name, "--no model--");
 268                 name[25] = 0;
 269                 for (j = strlen(name);j < 25;j++)
 270                         name[j] = ' ';
 271                 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);
 272         }
 273 }
 274
 275 //static const vec3_t nomodelmins = {-16, -16, -16};
 276 //static const vec3_t nomodelmaxs = {16, 16, 16};
 277 void CL_BoundingBoxForEntity(entity_render_t *ent)
 278 {
 279         if (ent->model)
 280         {
 281                 //if (ent->angles[0] || ent->angles[2])
 282                 if (ent->matrix.m[2][0] != 0 || ent->matrix.m[2][1] != 0)
 283                 {
 284                         // pitch or roll
 285                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->rotatedmins[0];
 286                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->rotatedmins[1];
 287                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->rotatedmins[2];
 288                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->rotatedmaxs[0];
 289                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->rotatedmaxs[1];
 290                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->rotatedmaxs[2];
 291                         //VectorAdd(ent->origin, ent->model->rotatedmins, ent->mins);
 292                         //VectorAdd(ent->origin, ent->model->rotatedmaxs, ent->maxs);
 293                 }
 294                 //else if (ent->angles[1])
 295                 else if (ent->matrix.m[0][1] != 0 || ent->matrix.m[1][0] != 0)
 296                 {
 297                         // yaw
 298                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->yawmins[0];
 299                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->yawmins[1];
 300                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->yawmins[2];
 301                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->yawmaxs[0];
 302                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->yawmaxs[1];
 303                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->yawmaxs[2];
 304                         //VectorAdd(ent->origin, ent->model->yawmins, ent->mins);
 305                         //VectorAdd(ent->origin, ent->model->yawmaxs, ent->maxs);
 306                 }
 307                 else
 308                 {
 309                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->normalmins[0];
 310                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->normalmins[1];
 311                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->normalmins[2];
 312                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->normalmaxs[0];
 313                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->normalmaxs[1];
 314                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->normalmaxs[2];
 315                         //VectorAdd(ent->origin, ent->model->normalmins, ent->mins);
 316                         //VectorAdd(ent->origin, ent->model->normalmaxs, ent->maxs);
 317                 }
 318         }
 319         else
 320         {
 321                 ent->mins[0] = ent->matrix.m[0][3] - 16;
 322                 ent->mins[1] = ent->matrix.m[1][3] - 16;
 323                 ent->mins[2] = ent->matrix.m[2][3] - 16;
 324                 ent->maxs[0] = ent->matrix.m[0][3] + 16;
 325                 ent->maxs[1] = ent->matrix.m[1][3] + 16;
 326                 ent->maxs[2] = ent->matrix.m[2][3] + 16;
 327                 //VectorAdd(ent->origin, nomodelmins, ent->mins);
 328                 //VectorAdd(ent->origin, nomodelmaxs, ent->maxs);
 329         }
 330 }
 331
 332 /*
 333 ===============
 334 CL_LerpPoint
 335
 336 Determines the fraction between the last two messages that the objects
 337 should be put at.
 338 ===============
 339 */
 340 static float CL_LerpPoint(void)
 341 {
 342         float f;
 343
 344         // dropped packet, or start of demo
 345         if (cl.mtime[1] < cl.mtime[0] - 0.1)
 346                 cl.mtime[1] = cl.mtime[0] - 0.1;
 347
 348         cl.time = bound(cl.mtime[1], cl.time, cl.mtime[0]);
 349
 350         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 351         f = cl.mtime[0] - cl.mtime[1];
 352         if (!f || cl_nolerp.integer || cls.timedemo || (sv.active && svs.maxclients == 1))
 353         {
 354                 cl.time = cl.mtime[0];
 355                 return 1;
 356         }
 357
 358         f = (cl.time - cl.mtime[1]) / f;
 359         return bound(0, f, 1);
 360 }
 361
 362 void CL_ClearTempEntities (void)
 363 {
 364         cl_num_temp_entities = 0;
 365 }
 366
 367 entity_t *CL_NewTempEntity(void)
 368 {
 369         entity_t *ent;
 370
 371         if (r_refdef.numentities >= r_refdef.maxentities)
 372                 return NULL;
 373         if (cl_num_temp_entities >= cl_max_temp_entities)
 374                 return NULL;
 375         ent = &cl_temp_entities[cl_num_temp_entities++];
 376         memset (ent, 0, sizeof(*ent));
 377         r_refdef.entities[r_refdef.numentities++] = &ent->render;
 378
 379         ent->render.colormap = -1; // no special coloring
 380         ent->render.scale = 1;
 381         ent->render.alpha = 1;
 382         return ent;
 383 }
 384
 385 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
 386 {
 387         int i;
 388         cl_effect_t *e;
 389         if (!modelindex) // sanity check
 390                 return;
 391         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
 392         {
 393                 if (e->active)
 394                         continue;
 395                 e->active = true;
 396                 VectorCopy(org, e->origin);
 397                 e->modelindex = modelindex;
 398                 e->starttime = cl.time;
 399                 e->startframe = startframe;
 400                 e->endframe = startframe + framecount;
 401                 e->framerate = framerate;
 402
 403                 e->frame = 0;
 404                 e->frame1time = cl.time;
 405                 e->frame2time = cl.time;
 406                 break;
 407         }
 408 }
 409
 410 void CL_AllocDlight(entity_render_t *ent, vec3_t org, float radius, float red, float green, float blue, float decay, float lifetime)
 411 {
 412         int i;
 413         dlight_t *dl;
 414
 415         /*
 416 // first look for an exact key match
 417         if (ent)
 418         {
 419                 dl = cl_dlights;
 420                 for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 421                         if (dl->ent == ent)
 422                                 goto dlightsetup;
 423         }
 424         */
 425
 426 // then look for anything else
 427         dl = cl_dlights;
 428         for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 429                 if (!dl->radius)
 430                         goto dlightsetup;
 431
 432         // unable to find one
 433         return;
 434
 435 dlightsetup:
 436         //Con_Printf("dlight %i : %f %f %f : %f %f %f\n", i, org[0], org[1], org[2], red * radius, green * radius, blue * radius);
 437         memset (dl, 0, sizeof(*dl));
 438         dl->ent = ent;
 439         CL_FindNonSolidLocation(org, dl->origin, 6);
 440         //VectorCopy(org, dl->origin);
 441         dl->radius = radius;
 442         dl->color[0] = red;
 443         dl->color[1] = green;
 444         dl->color[2] = blue;
 445         dl->decay = decay;
 446         if (lifetime)
 447                 dl->die = cl.time + lifetime;
 448         else
 449                 dl->die = 0;
 450 }
 451
 452 void CL_DecayLights(void)
 453 {
 454         int i;
 455         dlight_t *dl;
 456         float time;
 457
 458         time = cl.time - cl.oldtime;
 459
 460         dl = cl_dlights;
 461         for (i=0 ; i<MAX_DLIGHTS ; i++, dl++)
 462         {
 463                 if (!dl->radius)
 464                         continue;
 465                 if (dl->die < cl.time)
 466                 {
 467                         dl->radius = 0;
 468                         continue;
 469                 }
 470
 471                 dl->radius -= time*dl->decay;
 472                 if (dl->radius < 0)
 473                         dl->radius = 0;
 474         }
 475 }
 476
 477 extern qboolean Nehahrademcompatibility;
 478 #define MAXVIEWMODELS 32
 479 entity_t *viewmodels[MAXVIEWMODELS];
 480 int numviewmodels;
 481
 482 matrix4x4_t viewmodelmatrix;
 483
 484 static int entitylinkframenumber;
 485
 486 static const vec3_t muzzleflashorigin = {18, 0, 0};
 487
 488 extern void V_DriftPitch(void);
 489 extern void V_FadeViewFlashs(void);
 490 extern void V_CalcViewBlend(void);
 491
 492 extern void V_CalcRefdef(void);
 493 // note this is a recursive function, but it can never get in a runaway loop (because of the delayedlink flags)
 494 void CL_LinkNetworkEntity(entity_t *e)
 495 {
 496         matrix4x4_t *matrix, blendmatrix, tempmatrix, matrix2;
 497         int j, k, l, trailtype, temp;
 498         float origin[3], angles[3], delta[3], lerp, dlightcolor[3], mins[3], maxs[3], v[3], v2[3], d;
 499         entity_t *t;
 500         model_t *model;
 501         //entity_persistent_t *p = &e->persistent;
 502         //entity_render_t *r = &e->render;
 503         if (e->persistent.linkframe != entitylinkframenumber)
 504         {
 505                 e->persistent.linkframe = entitylinkframenumber;
 506                 // skip inactive entities and world
 507                 if (!e->state_current.active || e == cl_entities)
 508                         return;
 509                 if (e->render.flags & RENDER_VIEWMODEL)
 510                 {
 511                         if (cl.stats[STAT_HEALTH] <= 0 || !r_drawviewmodel.integer || chase_active.integer || envmap || (cl.items & IT_INVISIBILITY))
 512                                 return;
 513                         if (cl.viewentity)
 514                                 CL_LinkNetworkEntity(cl_entities + cl.viewentity);
 515                         matrix = &viewmodelmatrix;
 516                         if (e == &cl.viewent && cl.viewentity >= 0 && cl.viewentity < MAX_EDICTS && cl_entities[cl.viewentity].state_current.active)
 517                         {
 518                                 e->state_current.alpha = cl_entities[cl.viewentity].state_current.alpha;
 519                                 e->state_current.effects = EF_NOSHADOW | (cl_entities[cl.viewentity].state_current.effects & (EF_ADDITIVE | EF_REFLECTIVE | EF_FULLBRIGHT));
 520                         }
 521                 }
 522                 else
 523                 {
 524                         t = cl_entities + e->state_current.tagentity;
 525                         if (!t->state_current.active)
 526                                 return;
 527                         // note: this can link to world
 528                         CL_LinkNetworkEntity(t);
 529                         // make relative to the entity
 530                         matrix = &t->render.matrix;
 531                         // if a valid tagindex is used, make it relative to that tag instead
 532                         if (e->state_current.tagentity && e->state_current.tagindex >= 1 && (model = t->render.model) && e->state_current.tagindex <= t->render.model->alias.aliasnum_tags)
 533                         {
 534                                 // blend the matrices
 535                                 memset(&blendmatrix, 0, sizeof(blendmatrix));
 536                                 for (j = 0;j < 4 && t->render.frameblend[j].lerp > 0;j++)
 537                                 {
 538                                         matrix = &t->render.model->alias.aliasdata_tags[t->render.frameblend[j].frame * t->render.model->alias.aliasnum_tags + (e->state_current.tagindex - 1)].matrix;
 539                                         d = t->render.frameblend[j].lerp;
 540                                         for (l = 0;l < 4;l++)
 541                                                 for (k = 0;k < 4;k++)
 542                                                         blendmatrix.m[l][k] += d * matrix->m[l][k];
 543                                 }
 544                                 // concat the tag matrices onto the entity matrix
 545                                 Matrix4x4_Concat(&tempmatrix, &t->render.matrix, &blendmatrix);
 546                                 // use the constructed tag matrix
 547                                 matrix = &tempmatrix;
 548                         }
 549                 }
 550                 e->render.alpha = e->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 551                 e->render.scale = e->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 552                 e->render.flags = e->state_current.flags;
 553                 if (e - cl_entities == cl.viewentity)
 554                         e->render.flags |= RENDER_EXTERIORMODEL;
 555                 e->render.effects = e->state_current.effects;
 556                 if (e->state_current.flags & RENDER_COLORMAPPED)
 557                         e->render.colormap = e->state_current.colormap;
 558                 else if (cl.scores != NULL && e->state_current.colormap)
 559                         e->render.colormap = cl.scores[e->state_current.colormap - 1].colors; // color it
 560                 else
 561                         e->render.colormap = -1; // no special coloring
 562                 e->render.skinnum = e->state_current.skin;
 563                 // set up the render matrix
 564                 if (e->state_previous.active && e->state_current.modelindex == e->state_previous.modelindex)
 565                 {
 566                         // movement lerp
 567                         if (e->persistent.lerpdeltatime > 0 && (lerp = (cl.time - e->persistent.lerpstarttime) / e->persistent.lerpdeltatime) < 1)
 568                         {
 569                                 // interpolate the origin and angles
 570                                 VectorLerp(e->persistent.oldorigin, lerp, e->persistent.neworigin, origin);
 571                                 VectorSubtract(e->persistent.newangles, e->persistent.oldangles, delta);
 572                                 if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
 573                                 if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
 574                                 if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
 575                                 VectorMA(e->persistent.oldangles, lerp, delta, angles);
 576                         }
 577                         else
 578                         {
 579                                 // no interpolation
 580                                 VectorCopy(e->persistent.neworigin, origin);
 581                                 VectorCopy(e->persistent.newangles, angles);
 582                         }
 583                         // animation lerp
 584                         if (e->render.frame2 == e->state_current.frame)
 585                         {
 586                                 // update frame lerp fraction
 587                                 e->render.framelerp = 1;
 588                                 if (e->render.frame2time > e->render.frame1time)
 589                                 {
 590                                         e->render.framelerp = (cl.time - e->render.frame2time) / (e->render.frame2time - e->render.frame1time);
 591                                         e->render.framelerp = bound(0, e->render.framelerp, 1);
 592                                 }
 593                         }
 594                         else
 595                         {
 596                                 // begin a new frame lerp
 597                                 e->render.frame1 = e->render.frame2;
 598                                 e->render.frame1time = e->render.frame2time;
 599                                 e->render.frame = e->render.frame2 = e->state_current.frame;
 600                                 e->render.frame2time = cl.time;
 601                                 e->render.framelerp = 0;
 602                         }
 603                 }
 604                 else
 605                 {
 606                         // no interpolation
 607                         VectorCopy(e->persistent.neworigin, origin);
 608                         VectorCopy(e->persistent.newangles, angles);
 609                         e->render.frame = e->render.frame1 = e->render.frame2 = e->state_current.frame;
 610                         e->render.frame1time = e->render.frame2time = cl.time;
 611                         e->render.framelerp = 1;
 612                 }
 613
 614                 e->render.model = cl.model_precache[e->state_current.modelindex];
 615                 if (e->render.model)
 616                 {
 617                         Mod_CheckLoaded(e->render.model);
 618                         if (e->render.model->type != mod_brush)
 619                                 angles[0] = -angles[0];
 620                         if (e->render.model->flags & EF_ROTATE)
 621                         {
 622                                 angles[1] = ANGLEMOD(100*cl.time);
 623                                 if (cl_itembobheight.value)
 624                                         origin[2] += (cos(cl.time * cl_itembobspeed.value * (2.0 * M_PI)) + 1.0) * 0.5 * cl_itembobheight.value;
 625                         }
 626                 }
 627
 628                 R_LerpAnimation(&e->render);
 629
 630                 // FIXME: e->render.scale should go away
 631                 Matrix4x4_CreateFromQuakeEntity(&matrix2, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
 632                 // concat the matrices to make the entity relative to its tag
 633                 Matrix4x4_Concat(&e->render.matrix, matrix, &matrix2);
 634                 // make the other useful stuff
 635                 Matrix4x4_Invert_Simple(&e->render.inversematrix, &e->render.matrix);
 636                 CL_BoundingBoxForEntity(&e->render);
 637
 638                 // handle effects now that we know where this entity is in the world...
 639                 origin[0] = e->render.matrix.m[0][3];
 640                 origin[1] = e->render.matrix.m[1][3];
 641                 origin[2] = e->render.matrix.m[2][3];
 642                 trailtype = -1;
 643                 dlightcolor[0] = 0;
 644                 dlightcolor[1] = 0;
 645                 dlightcolor[2] = 0;
 646                 // LordHavoc: if the entity has no effects, don't check each
 647                 if (e->render.effects)
 648                 {
 649                         if (e->render.effects & EF_BRIGHTFIELD)
 650                         {
 651                                 if (gamemode == GAME_NEXUIZ)
 652                                 {
 653                                         dlightcolor[0] += 100.0f;
 654                                         dlightcolor[1] += 200.0f;
 655                                         dlightcolor[2] += 400.0f;
 656                                         trailtype = 8;
 657                                 }
 658                                 else
 659                                         CL_EntityParticles(e);
 660                         }
 661                         if (e->render.effects & EF_MUZZLEFLASH)
 662                                 e->persistent.muzzleflash = 100.0f;
 663                         if (e->render.effects & EF_DIMLIGHT)
 664                         {
 665                                 dlightcolor[0] += 200.0f;
 666                                 dlightcolor[1] += 200.0f;
 667                                 dlightcolor[2] += 200.0f;
 668                         }
 669                         if (e->render.effects & EF_BRIGHTLIGHT)
 670                         {
 671                                 dlightcolor[0] += 400.0f;
 672                                 dlightcolor[1] += 400.0f;
 673                                 dlightcolor[2] += 400.0f;
 674                         }
 675                         // LordHavoc: more effects
 676                         if (e->render.effects & EF_RED) // red
 677                         {
 678                                 dlightcolor[0] += 200.0f;
 679                                 dlightcolor[1] +=  20.0f;
 680                                 dlightcolor[2] +=  20.0f;
 681                         }
 682                         if (e->render.effects & EF_BLUE) // blue
 683                         {
 684                                 dlightcolor[0] +=  20.0f;
 685                                 dlightcolor[1] +=  20.0f;
 686                                 dlightcolor[2] += 200.0f;
 687                         }
 688                         if (e->render.effects & EF_FLAME)
 689                         {
 690                                 mins[0] = origin[0] - 16.0f;
 691                                 mins[1] = origin[1] - 16.0f;
 692                                 mins[2] = origin[2] - 16.0f;
 693                                 maxs[0] = origin[0] + 16.0f;
 694                                 maxs[1] = origin[1] + 16.0f;
 695                                 maxs[2] = origin[2] + 16.0f;
 696                                 // how many flames to make
 697                                 temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
 698                                 CL_FlameCube(mins, maxs, temp);
 699                                 d = lhrandom(200, 250);
 700                                 dlightcolor[0] += d * 1.0f;
 701                                 dlightcolor[1] += d * 0.7f;
 702                                 dlightcolor[2] += d * 0.3f;
 703                         }
 704                         if (e->render.effects & EF_STARDUST)
 705                         {
 706                                 mins[0] = origin[0] - 16.0f;
 707                                 mins[1] = origin[1] - 16.0f;
 708                                 mins[2] = origin[2] - 16.0f;
 709                                 maxs[0] = origin[0] + 16.0f;
 710                                 maxs[1] = origin[1] + 16.0f;
 711                                 maxs[2] = origin[2] + 16.0f;
 712                                 // how many particles to make
 713                                 temp = (int) (cl.time * 200) - (int) (cl.oldtime * 200);
 714                                 CL_Stardust(mins, maxs, temp);
 715                                 d = 100;
 716                                 dlightcolor[0] += d * 1.0f;
 717                                 dlightcolor[1] += d * 0.7f;
 718                                 dlightcolor[2] += d * 0.3f;
 719                         }
 720                 }
 721                 // muzzleflash fades over time, and is offset a bit
 722                 if (e->persistent.muzzleflash > 0)
 723                 {
 724                         Matrix4x4_Transform(&e->render.matrix, muzzleflashorigin, v2);
 725                         CL_TraceLine(origin, v2, v, NULL, 0, true, NULL);
 726                         CL_AllocDlight(NULL, v, e->persistent.muzzleflash, 1, 1, 1, 0, 0);
 727                         e->persistent.muzzleflash -= cl.frametime * 1000;
 728                 }
 729                 // LordHavoc: if the model has no flags, don't check each
 730                 if (e->render.model && e->render.model->flags)
 731                 {
 732                         if (e->render.model->flags & EF_GIB)
 733                                 trailtype = 2;
 734                         else if (e->render.model->flags & EF_ZOMGIB)
 735                                 trailtype = 4;
 736                         else if (e->render.model->flags & EF_TRACER)
 737                         {
 738                                 trailtype = 3;
 739                                 dlightcolor[0] += 0x10;
 740                                 dlightcolor[1] += 0x40;
 741                                 dlightcolor[2] += 0x10;
 742                         }
 743                         else if (e->render.model->flags & EF_TRACER2)
 744                         {
 745                                 trailtype = 5;
 746                                 dlightcolor[0] += 0x50;
 747                                 dlightcolor[1] += 0x30;
 748                                 dlightcolor[2] += 0x10;
 749                         }
 750                         else if (e->render.model->flags & EF_ROCKET)
 751                         {
 752                                 trailtype = 0;
 753                                 dlightcolor[0] += 200.0f;
 754                                 dlightcolor[1] += 160.0f;
 755                                 dlightcolor[2] +=  80.0f;
 756                         }
 757                         else if (e->render.model->flags & EF_GRENADE)
 758                         {
 759                                 // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
 760                                 trailtype = e->render.alpha == -1 ? 7 : 1;
 761                         }
 762                         else if (e->render.model->flags & EF_TRACER3)
 763                         {
 764                                 trailtype = 6;
 765                                 dlightcolor[0] += 0x50;
 766                                 dlightcolor[1] += 0x20;
 767                                 dlightcolor[2] += 0x40;
 768                         }
 769                 }
 770                 // LordHavoc: customizable glow
 771                 if (e->state_current.glowsize)
 772                 {
 773                         // * 4 for the expansion from 0-255 to 0-1023 range,
 774                         // / 255 to scale down byte colors
 775                         VectorMA(dlightcolor, e->state_current.glowsize * (4.0f / 255.0f), (qbyte *)&palette_complete[e->state_current.glowcolor], dlightcolor);
 776                 }
 777                 // make the dlight
 778                 if ((dlightcolor[0] || dlightcolor[1] || dlightcolor[2]) && !(e->render.flags & RENDER_VIEWMODEL) && !e->state_current.tagentity)
 779                 {
 780                         VectorCopy(origin, v);
 781                         // hack to make glowing player light shine on their gun
 782                         if ((e - cl_entities) == cl.viewentity/* && !chase_active.integer*/)
 783                                 v[2] += 30;
 784                         CL_AllocDlight(&e->render, v, 1, dlightcolor[0], dlightcolor[1], dlightcolor[2], 0, 0);
 785                 }
 786                 // trails need the previous frame
 787                 if (e->state_previous.active && e->state_previous.modelindex == e->state_current.modelindex)
 788                 {
 789                         if (e->render.flags & RENDER_GLOWTRAIL)
 790                                 CL_RocketTrail2(e->persistent.trail_origin, origin, e->state_current.glowcolor, e);
 791                         else if (trailtype >= 0)
 792                                 CL_RocketTrail(e->persistent.trail_origin, origin, trailtype, e);
 793                 }
 794                 VectorCopy(origin, e->persistent.trail_origin);
 795                 // note: the cl.viewentity and intermission check is to hide player
 796                 // shadow during intermission and during the Nehahra movie and
 797                 // Nehahra cinematics
 798                 if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE))
 799                  && (e->render.alpha == 1)
 800                  && !(e->render.flags & RENDER_VIEWMODEL)
 801                  && ((e - cl_entities) != cl.viewentity || (!cl.intermission && !Nehahrademcompatibility && !cl_noplayershadow.integer)))
 802                         e->render.flags |= RENDER_SHADOW;
 803                 // as soon as player is known we can call V_CalcRefDef
 804                 if ((e - cl_entities) == cl.viewentity)
 805                         V_CalcRefdef();
 806                 if (e->render.model && e->render.model->name[0] == '*' && e->render.model->type == mod_brush)
 807                         cl_brushmodel_entities[cl_num_brushmodel_entities++] = &e->render;
 808                 // don't show entities with no modelindex (note: this still shows
 809                 // entities which have a modelindex that resolved to a NULL model)
 810                 if (e->render.model && !(e->render.effects & EF_NODRAW) && r_refdef.numentities < r_refdef.maxentities)
 811                         r_refdef.entities[r_refdef.numentities++] = &e->render;
 812                 if (cl_num_entities < e->state_current.number + 1)
 813                         cl_num_entities = e->state_current.number + 1;
 814         }
 815 }
 816
 817 void CL_RelinkWorld(void)
 818 {
 819         entity_t *ent = &cl_entities[0];
 820         if (cl_num_entities < 1)
 821                 cl_num_entities = 1;
 822         cl_brushmodel_entities[cl_num_brushmodel_entities++] = &ent->render;
 823         // FIXME: this should be done at load
 824         Matrix4x4_CreateIdentity(&ent->render.matrix);
 825         Matrix4x4_CreateIdentity(&ent->render.inversematrix);
 826         CL_BoundingBoxForEntity(&ent->render);
 827 }
 828
 829 static void CL_RelinkStaticEntities(void)
 830 {
 831         int i;
 832         for (i = 0;i < cl_num_static_entities && r_refdef.numentities < r_refdef.maxentities;i++)
 833         {
 834                 Mod_CheckLoaded(cl_static_entities[i].render.model);
 835                 r_refdef.entities[r_refdef.numentities++] = &cl_static_entities[i].render;
 836         }
 837 }
 838
 839 /*
 840 ===============
 841 CL_RelinkEntities
 842 ===============
 843 */
 844 static void CL_RelinkNetworkEntities(void)
 845 {
 846         entity_t *ent;
 847         int i;
 848
 849         ent = &cl.viewent;
 850         ent->state_previous = ent->state_current;
 851         ClearStateToDefault(&ent->state_current);
 852         ent->state_current.time = cl.time;
 853         ent->state_current.number = -1;
 854         ent->state_current.active = true;
 855         ent->state_current.modelindex = cl.stats[STAT_WEAPON];
 856         ent->state_current.frame = cl.stats[STAT_WEAPONFRAME];
 857         ent->state_current.flags = RENDER_VIEWMODEL;
 858
 859         // start on the entity after the world
 860         entitylinkframenumber++;
 861         for (i = 1, ent = cl_entities + 1;i < MAX_EDICTS;i++, ent++)
 862         {
 863                 if (cl_entities_active[i])
 864                 {
 865                         if (ent->state_current.active)
 866                                 CL_LinkNetworkEntity(ent);
 867                         else
 868                                 cl_entities_active[i] = false;
 869                 }
 870         }
 871         CL_LinkNetworkEntity(&cl.viewent);
 872 }
 873
 874 static void CL_RelinkEffects(void)
 875 {
 876         int i, intframe;
 877         cl_effect_t *e;
 878         entity_t *ent;
 879         float frame;
 880
 881         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
 882         {
 883                 if (e->active)
 884                 {
 885                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
 886                         intframe = frame;
 887                         if (intframe < 0 || intframe >= e->endframe)
 888                         {
 889                                 memset(e, 0, sizeof(*e));
 890                                 continue;
 891                         }
 892
 893                         if (intframe != e->frame)
 894                         {
 895                                 e->frame = intframe;
 896                                 e->frame1time = e->frame2time;
 897                                 e->frame2time = cl.time;
 898                         }
 899
 900                         // if we're drawing effects, get a new temp entity
 901                         // (NewTempEntity adds it to the render entities list for us)
 902                         if (r_draweffects.integer && (ent = CL_NewTempEntity()))
 903                         {
 904                                 // interpolation stuff
 905                                 ent->render.frame1 = intframe;
 906                                 ent->render.frame2 = intframe + 1;
 907                                 if (ent->render.frame2 >= e->endframe)
 908                                         ent->render.frame2 = -1; // disappear
 909                                 ent->render.framelerp = frame - intframe;
 910                                 ent->render.frame1time = e->frame1time;
 911                                 ent->render.frame2time = e->frame2time;
 912
 913                                 // normal stuff
 914                                 ent->render.model = cl.model_precache[e->modelindex];
 915                                 ent->render.frame = ent->render.frame2;
 916                                 ent->render.colormap = -1; // no special coloring
 917                                 ent->render.alpha = 1;
 918
 919                                 Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, e->origin[0], e->origin[1], e->origin[2], 0, 0, 0, 1);
 920                                 Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
 921                                 CL_BoundingBoxForEntity(&ent->render);
 922                         }
 923                 }
 924         }
 925 }
 926
 927 void CL_RelinkBeams(void)
 928 {
 929         int i;
 930         beam_t *b;
 931         vec3_t dist, org;
 932         float d;
 933         entity_t *ent;
 934         float yaw, pitch;
 935         float forward;
 936
 937         for (i = 0, b = cl_beams;i < cl_max_beams;i++, b++)
 938         {
 939                 if (!b->model || b->endtime < cl.time)
 940                         continue;
 941
 942                 // if coming from the player, update the start position
 943                 //if (b->entity == cl.viewentity)
 944                 //      VectorCopy (cl_entities[cl.viewentity].render.origin, b->start);
 945                 if (cl_beams_relative.integer && b->entity && cl_entities[b->entity].state_current.active && b->relativestartvalid)
 946                 {
 947                         entity_state_t *p = &cl_entities[b->entity].state_previous;
 948                         //entity_state_t *c = &cl_entities[b->entity].state_current;
 949                         entity_render_t *r = &cl_entities[b->entity].render;
 950                         matrix4x4_t matrix, imatrix;
 951                         if (b->relativestartvalid == 2)
 952                         {
 953                                 // not really valid yet, we need to get the orientation now
 954                                 // (ParseBeam flagged this because it is received before
 955                                 //  entities are received, by now they have been received)
 956                                 // note: because players create lightning in their think
 957                                 // function (which occurs before movement), they actually
 958                                 // have some lag in it's location, so compare to the
 959                                 // previous player state, not the latest
 960                                 if (b->entity == cl.viewentity)
 961                                         Matrix4x4_CreateFromQuakeEntity(&matrix, p->origin[0], p->origin[1], p->origin[2] + 16, cl.viewangles[0], cl.viewangles[1], cl.viewangles[2], 1);
 962                                 else
 963                                         Matrix4x4_CreateFromQuakeEntity(&matrix, p->origin[0], p->origin[1], p->origin[2] + 16, p->angles[0], p->angles[1], p->angles[2], 1);
 964                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
 965                                 Matrix4x4_Transform(&imatrix, b->start, b->relativestart);
 966                                 Matrix4x4_Transform(&imatrix, b->end, b->relativeend);
 967                                 b->relativestartvalid = 1;
 968                         }
 969                         else
 970                         {
 971                                 if (b->entity == cl.viewentity)
 972                                         Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, cl.viewangles[0], cl.viewangles[1], cl.viewangles[2], 1);
 973                                 else
 974                                         Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, r->angles[0], r->angles[1], r->angles[2], 1);
 975                                 Matrix4x4_Transform(&matrix, b->relativestart, b->start);
 976                                 Matrix4x4_Transform(&matrix, b->relativeend, b->end);
 977                         }
 978                 }
 979
 980                 if (b->lightning)
 981                 {
 982                         if (cl_beams_lightatend.integer)
 983                                 CL_AllocDlight (NULL, b->end, 200, 0.3, 0.7, 1, 0, 0);
 984                         if (cl_beams_polygons.integer)
 985                                 continue;
 986                 }
 987
 988                 // calculate pitch and yaw
 989                 VectorSubtract (b->end, b->start, dist);
 990
 991                 if (dist[1] == 0 && dist[0] == 0)
 992                 {
 993                         yaw = 0;
 994                         if (dist[2] > 0)
 995                                 pitch = 90;
 996                         else
 997                                 pitch = 270;
 998                 }
 999                 else
1000                 {
1001                         yaw = (int) (atan2(dist[1], dist[0]) * 180 / M_PI);
1002                         if (yaw < 0)
1003                                 yaw += 360;
1004
1005                         forward = sqrt (dist[0]*dist[0] + dist[1]*dist[1]);
1006                         pitch = (int) (atan2(dist[2], forward) * 180 / M_PI);
1007                         if (pitch < 0)
1008                                 pitch += 360;
1009                 }
1010
1011                 // add new entities for the lightning
1012                 VectorCopy (b->start, org);
1013                 d = VectorNormalizeLength(dist);
1014                 while (d > 0)
1015                 {
1016                         ent = CL_NewTempEntity ();
1017                         if (!ent)
1018                                 return;
1019                         //VectorCopy (org, ent->render.origin);
1020                         ent->render.model = b->model;
1021                         ent->render.effects = EF_FULLBRIGHT;
1022                         //ent->render.angles[0] = pitch;
1023                         //ent->render.angles[1] = yaw;
1024                         //ent->render.angles[2] = rand()%360;
1025                         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, org[0], org[1], org[2], -pitch, yaw, lhrandom(0, 360), 1);
1026                         Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
1027                         CL_BoundingBoxForEntity(&ent->render);
1028                         VectorMA(org, 30, dist, org);
1029                         d -= 30;
1030                 }
1031         }
1032 }
1033
1034 void CL_LerpPlayer(float frac)
1035 {
1036         int i;
1037         float d;
1038
1039         cl.viewzoom = cl.viewzoomold + frac * (cl.viewzoomnew - cl.viewzoomold);
1040
1041         for (i = 0;i < 3;i++)
1042                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
1043
1044         if (cls.demoplayback)
1045         {
1046                 // interpolate the angles
1047                 for (i = 0;i < 3;i++)
1048                 {
1049                         d = cl.mviewangles[0][i] - cl.mviewangles[1][i];
1050                         if (d > 180)
1051                                 d -= 360;
1052                         else if (d < -180)
1053                                 d += 360;
1054                         cl.viewangles[i] = cl.mviewangles[1][i] + frac * d;
1055                 }
1056         }
1057 }
1058
1059 /*
1060 ===============
1061 CL_ReadFromServer
1062
1063 Read all incoming data from the server
1064 ===============
1065 */
1066 int CL_ReadFromServer(void)
1067 {
1068         CL_ReadDemoMessage();
1069
1070         r_refdef.numentities = 0;
1071         cl_num_entities = 0;
1072         cl_num_brushmodel_entities = 0;
1073
1074         if (cls.state == ca_connected && cls.signon == SIGNONS)
1075         {
1076                 // prepare for a new frame
1077                 CL_LerpPlayer(CL_LerpPoint());
1078                 CL_DecayLights();
1079                 CL_ClearTempEntities();
1080                 V_DriftPitch();
1081                 V_FadeViewFlashs();
1082
1083                 // relink network entities (note: this sets up the view!)
1084                 CL_RelinkNetworkEntities();
1085
1086                 // move particles
1087                 CL_MoveParticles();
1088
1089                 // link stuff
1090                 CL_RelinkWorld();
1091                 CL_RelinkStaticEntities();
1092                 CL_RelinkBeams();
1093                 CL_RelinkEffects();
1094
1095                 // run cgame code (which can add more entities)
1096                 CL_CGVM_Frame();
1097
1098                 // update view blend
1099                 V_CalcViewBlend();
1100         }
1101
1102         return 0;
1103 }
1104
1105 /*
1106 =================
1107 CL_SendCmd
1108 =================
1109 */
1110 void CL_SendCmd(void)
1111 {
1112         usercmd_t cmd;
1113
1114         if (cls.signon == SIGNONS)
1115         {
1116                 // get basic movement from keyboard
1117                 CL_BaseMove(&cmd);
1118
1119                 // OS independent code
1120                 IN_PreMove();
1121
1122                 // allow mice or other external controllers to add to the move
1123                 IN_Move(&cmd);
1124
1125                 // OS independent code
1126                 IN_PostMove();
1127
1128                 // send the unreliable message
1129                 CL_SendMove(&cmd);
1130         }
1131
1132         if (cls.demoplayback)
1133         {
1134                 SZ_Clear(&cls.message);
1135                 return;
1136         }
1137
1138         // send the reliable message (forwarded commands) if there is one
1139         if (cls.message.cursize && NetConn_CanSendMessage(cls.netcon))
1140         {
1141                 if (developer.integer)
1142                 {
1143                         Con_Printf("CL_SendCmd: sending reliable message:\n");
1144                         SZ_HexDumpToConsole(&cls.message);
1145                 }
1146                 if (NetConn_SendReliableMessage(cls.netcon, &cls.message) == -1)
1147                         Host_Error("CL_WriteToServer: lost server connection");
1148                 SZ_Clear(&cls.message);
1149         }
1150 }
1151
1152 // LordHavoc: pausedemo command
1153 static void CL_PauseDemo_f (void)
1154 {
1155         cls.demopaused = !cls.demopaused;
1156         if (cls.demopaused)
1157                 Con_Printf("Demo paused\n");
1158         else
1159                 Con_Printf("Demo unpaused\n");
1160 }
1161
1162 /*
1163 ======================
1164 CL_Fog_f
1165 ======================
1166 */
1167 static void CL_Fog_f (void)
1168 {
1169         if (Cmd_Argc () == 1)
1170         {
1171                 Con_Printf ("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
1172                 return;
1173         }
1174         fog_density = atof(Cmd_Argv(1));
1175         fog_red = atof(Cmd_Argv(2));
1176         fog_green = atof(Cmd_Argv(3));
1177         fog_blue = atof(Cmd_Argv(4));
1178 }
1179
1180 /*
1181 =================
1182 CL_Init
1183 =================
1184 */
1185 void CL_Init (void)
1186 {
1187         cl_entities_mempool = Mem_AllocPool("client entities");
1188         cl_refdef_mempool = Mem_AllocPool("refdef");
1189
1190         memset(&r_refdef, 0, sizeof(r_refdef));
1191         // max entities sent to renderer per frame
1192         r_refdef.maxentities = MAX_EDICTS + 256 + 512;
1193         r_refdef.entities = Mem_Alloc(cl_refdef_mempool, sizeof(entity_render_t *) * r_refdef.maxentities);
1194         // 256k drawqueue buffer
1195         r_refdef.maxdrawqueuesize = 256 * 1024;
1196         r_refdef.drawqueue = Mem_Alloc(cl_refdef_mempool, r_refdef.maxdrawqueuesize);
1197
1198         SZ_Alloc (&cls.message, 1024, "cls.message");
1199
1200         CL_InitInput ();
1201         CL_InitTEnts ();
1202
1203 //
1204 // register our commands
1205 //
1206         Cvar_RegisterVariable (&cl_upspeed);
1207         Cvar_RegisterVariable (&cl_forwardspeed);
1208         Cvar_RegisterVariable (&cl_backspeed);
1209         Cvar_RegisterVariable (&cl_sidespeed);
1210         Cvar_RegisterVariable (&cl_movespeedkey);
1211         Cvar_RegisterVariable (&cl_yawspeed);
1212         Cvar_RegisterVariable (&cl_pitchspeed);
1213         Cvar_RegisterVariable (&cl_anglespeedkey);
1214         Cvar_RegisterVariable (&cl_shownet);
1215         Cvar_RegisterVariable (&cl_nolerp);
1216         Cvar_RegisterVariable (&lookspring);
1217         Cvar_RegisterVariable (&lookstrafe);
1218         Cvar_RegisterVariable (&sensitivity);
1219         Cvar_RegisterVariable (&freelook);
1220
1221         Cvar_RegisterVariable (&m_pitch);
1222         Cvar_RegisterVariable (&m_yaw);
1223         Cvar_RegisterVariable (&m_forward);
1224         Cvar_RegisterVariable (&m_side);
1225
1226         Cvar_RegisterVariable (&cl_itembobspeed);
1227         Cvar_RegisterVariable (&cl_itembobheight);
1228
1229         Cmd_AddCommand ("entities", CL_PrintEntities_f);
1230         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
1231         Cmd_AddCommand ("record", CL_Record_f);
1232         Cmd_AddCommand ("stop", CL_Stop_f);
1233         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
1234         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
1235
1236         Cmd_AddCommand ("fog", CL_Fog_f);
1237
1238         // LordHavoc: added pausedemo
1239         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
1240
1241         Cvar_RegisterVariable(&r_draweffects);
1242         Cvar_RegisterVariable(&cl_explosions);
1243         Cvar_RegisterVariable(&cl_stainmaps);
1244         Cvar_RegisterVariable(&cl_beams_polygons);
1245         Cvar_RegisterVariable(&cl_beams_relative);
1246         Cvar_RegisterVariable(&cl_beams_lightatend);
1247         Cvar_RegisterVariable(&cl_noplayershadow);
1248
1249         CL_Parse_Init();
1250         CL_Particles_Init();
1251         CL_Screen_Init();
1252         CL_CGVM_Init();
1253
1254         CL_Video_Init();
1255 }
1256