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                                 R_LerpAnimation(&t->render);
 536                                 memset(&blendmatrix, 0, sizeof(blendmatrix));
 537                                 for (j = 0;j < 4 && t->render.frameblend[j].lerp > 0;j++)
 538                                 {
 539                                         matrix = &t->render.model->alias.aliasdata_tags[t->render.frameblend[j].frame * t->render.model->alias.aliasnum_tags + (e->state_current.tagindex - 1)].matrix;
 540                                         d = t->render.frameblend[j].lerp;
 541                                         for (l = 0;l < 4;l++)
 542                                                 for (k = 0;k < 4;k++)
 543                                                         blendmatrix.m[l][k] += d * matrix->m[l][k];
 544                                 }
 545                                 // concat the tag matrices onto the entity matrix
 546                                 Matrix4x4_Concat(&tempmatrix, &t->render.matrix, &blendmatrix);
 547                                 // use the constructed tag matrix
 548                                 matrix = &tempmatrix;
 549                         }
 550                 }
 551                 e->render.alpha = e->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 552                 e->render.scale = e->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 553                 e->render.flags = e->state_current.flags;
 554                 if (e - cl_entities == cl.viewentity)
 555                         e->render.flags |= RENDER_EXTERIORMODEL;
 556                 e->render.effects = e->state_current.effects;
 557                 if (e->state_current.flags & RENDER_COLORMAPPED)
 558                         e->render.colormap = e->state_current.colormap;
 559                 else if (cl.scores != NULL && e->state_current.colormap)
 560                         e->render.colormap = cl.scores[e->state_current.colormap - 1].colors; // color it
 561                 else
 562                         e->render.colormap = -1; // no special coloring
 563                 e->render.skinnum = e->state_current.skin;
 564                 // set up the render matrix
 565                 if (e->state_previous.active && e->state_current.modelindex == e->state_previous.modelindex)
 566                 {
 567                         // movement lerp
 568                         if (e->persistent.lerpdeltatime > 0 && (lerp = (cl.time - e->persistent.lerpstarttime) / e->persistent.lerpdeltatime) < 1)
 569                         {
 570                                 // interpolate the origin and angles
 571                                 VectorLerp(e->persistent.oldorigin, lerp, e->persistent.neworigin, origin);
 572                                 VectorSubtract(e->persistent.newangles, e->persistent.oldangles, delta);
 573                                 if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
 574                                 if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
 575                                 if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
 576                                 VectorMA(e->persistent.oldangles, lerp, delta, angles);
 577                         }
 578                         else
 579                         {
 580                                 // no interpolation
 581                                 VectorCopy(e->persistent.neworigin, origin);
 582                                 VectorCopy(e->persistent.newangles, angles);
 583                         }
 584                         // animation lerp
 585                         if (e->render.frame2 != e->state_current.frame)
 586                         {
 587                                 // begin a new frame lerp
 588                                 e->render.frame1 = e->render.frame2;
 589                                 e->render.frame1time = e->render.frame2time;
 590                                 e->render.frame = e->render.frame2 = e->state_current.frame;
 591                                 e->render.frame2time = cl.time;
 592                                 e->render.framelerp = 0;
 593                         }
 594                         else
 595                         {
 596                                 // update frame lerp fraction
 597                                 e->render.framelerp = e->render.frame2time > e->render.frame1time ? ((cl.time - e->render.frame2time) / (e->render.frame2time - e->render.frame1time)) : 1;
 598                                 e->render.framelerp = bound(0, e->render.framelerp, 1);
 599                         }
 600                 }
 601                 else
 602                 {
 603                         // no interpolation
 604                         VectorCopy(e->persistent.neworigin, origin);
 605                         VectorCopy(e->persistent.newangles, angles);
 606                         e->render.frame = e->render.frame1 = e->render.frame2 = e->state_current.frame;
 607                         e->render.frame1time = e->render.frame2time = cl.time;
 608                         e->render.framelerp = 1;
 609                 }
 610
 611                 e->render.model = cl.model_precache[e->state_current.modelindex];
 612                 if (e->render.model)
 613                 {
 614                         Mod_CheckLoaded(e->render.model);
 615                         if (e->render.model->type != mod_brush)
 616                                 angles[0] = -angles[0];
 617                         if (e->render.model->flags & EF_ROTATE)
 618                         {
 619                                 angles[1] = ANGLEMOD(100*cl.time);
 620                                 if (cl_itembobheight.value)
 621                                         origin[2] += (cos(cl.time * cl_itembobspeed.value * (2.0 * M_PI)) + 1.0) * 0.5 * cl_itembobheight.value;
 622                         }
 623                 }
 624
 625                 // FIXME: e->render.scale should go away
 626                 Matrix4x4_CreateFromQuakeEntity(&matrix2, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
 627                 // concat the matrices to make the entity relative to its tag
 628                 Matrix4x4_Concat(&e->render.matrix, matrix, &matrix2);
 629                 // make the other useful stuff
 630                 Matrix4x4_Invert_Simple(&e->render.inversematrix, &e->render.matrix);
 631                 CL_BoundingBoxForEntity(&e->render);
 632
 633                 // handle effects now that we know where this entity is in the world...
 634                 origin[0] = e->render.matrix.m[0][3];
 635                 origin[1] = e->render.matrix.m[1][3];
 636                 origin[2] = e->render.matrix.m[2][3];
 637                 trailtype = -1;
 638                 dlightcolor[0] = 0;
 639                 dlightcolor[1] = 0;
 640                 dlightcolor[2] = 0;
 641                 // LordHavoc: if the entity has no effects, don't check each
 642                 if (e->render.effects)
 643                 {
 644                         if (e->render.effects & EF_BRIGHTFIELD)
 645                         {
 646                                 if (gamemode == GAME_NEXUIZ)
 647                                 {
 648                                         dlightcolor[0] += 100.0f;
 649                                         dlightcolor[1] += 200.0f;
 650                                         dlightcolor[2] += 400.0f;
 651                                         trailtype = 8;
 652                                 }
 653                                 else
 654                                         CL_EntityParticles(e);
 655                         }
 656                         if (e->render.effects & EF_MUZZLEFLASH)
 657                                 e->persistent.muzzleflash = 100.0f;
 658                         if (e->render.effects & EF_DIMLIGHT)
 659                         {
 660                                 dlightcolor[0] += 200.0f;
 661                                 dlightcolor[1] += 200.0f;
 662                                 dlightcolor[2] += 200.0f;
 663                         }
 664                         if (e->render.effects & EF_BRIGHTLIGHT)
 665                         {
 666                                 dlightcolor[0] += 400.0f;
 667                                 dlightcolor[1] += 400.0f;
 668                                 dlightcolor[2] += 400.0f;
 669                         }
 670                         // LordHavoc: more effects
 671                         if (e->render.effects & EF_RED) // red
 672                         {
 673                                 dlightcolor[0] += 200.0f;
 674                                 dlightcolor[1] +=  20.0f;
 675                                 dlightcolor[2] +=  20.0f;
 676                         }
 677                         if (e->render.effects & EF_BLUE) // blue
 678                         {
 679                                 dlightcolor[0] +=  20.0f;
 680                                 dlightcolor[1] +=  20.0f;
 681                                 dlightcolor[2] += 200.0f;
 682                         }
 683                         if (e->render.effects & EF_FLAME)
 684                         {
 685                                 mins[0] = origin[0] - 16.0f;
 686                                 mins[1] = origin[1] - 16.0f;
 687                                 mins[2] = origin[2] - 16.0f;
 688                                 maxs[0] = origin[0] + 16.0f;
 689                                 maxs[1] = origin[1] + 16.0f;
 690                                 maxs[2] = origin[2] + 16.0f;
 691                                 // how many flames to make
 692                                 temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
 693                                 CL_FlameCube(mins, maxs, temp);
 694                                 d = lhrandom(200, 250);
 695                                 dlightcolor[0] += d * 1.0f;
 696                                 dlightcolor[1] += d * 0.7f;
 697                                 dlightcolor[2] += d * 0.3f;
 698                         }
 699                         if (e->render.effects & EF_STARDUST)
 700                         {
 701                                 mins[0] = origin[0] - 16.0f;
 702                                 mins[1] = origin[1] - 16.0f;
 703                                 mins[2] = origin[2] - 16.0f;
 704                                 maxs[0] = origin[0] + 16.0f;
 705                                 maxs[1] = origin[1] + 16.0f;
 706                                 maxs[2] = origin[2] + 16.0f;
 707                                 // how many particles to make
 708                                 temp = (int) (cl.time * 200) - (int) (cl.oldtime * 200);
 709                                 CL_Stardust(mins, maxs, temp);
 710                                 d = 100;
 711                                 dlightcolor[0] += d * 1.0f;
 712                                 dlightcolor[1] += d * 0.7f;
 713                                 dlightcolor[2] += d * 0.3f;
 714                         }
 715                 }
 716                 // muzzleflash fades over time, and is offset a bit
 717                 if (e->persistent.muzzleflash > 0)
 718                 {
 719                         Matrix4x4_Transform(&e->render.matrix, muzzleflashorigin, v2);
 720                         CL_TraceLine(origin, v2, v, NULL, 0, true, NULL);
 721                         CL_AllocDlight(NULL, v, e->persistent.muzzleflash, 1, 1, 1, 0, 0);
 722                         e->persistent.muzzleflash -= cl.frametime * 1000;
 723                 }
 724                 // LordHavoc: if the model has no flags, don't check each
 725                 if (e->render.model && e->render.model->flags)
 726                 {
 727                         if (e->render.model->flags & EF_GIB)
 728                                 trailtype = 2;
 729                         else if (e->render.model->flags & EF_ZOMGIB)
 730                                 trailtype = 4;
 731                         else if (e->render.model->flags & EF_TRACER)
 732                         {
 733                                 trailtype = 3;
 734                                 dlightcolor[0] += 0x10;
 735                                 dlightcolor[1] += 0x40;
 736                                 dlightcolor[2] += 0x10;
 737                         }
 738                         else if (e->render.model->flags & EF_TRACER2)
 739                         {
 740                                 trailtype = 5;
 741                                 dlightcolor[0] += 0x50;
 742                                 dlightcolor[1] += 0x30;
 743                                 dlightcolor[2] += 0x10;
 744                         }
 745                         else if (e->render.model->flags & EF_ROCKET)
 746                         {
 747                                 trailtype = 0;
 748                                 dlightcolor[0] += 200.0f;
 749                                 dlightcolor[1] += 160.0f;
 750                                 dlightcolor[2] +=  80.0f;
 751                         }
 752                         else if (e->render.model->flags & EF_GRENADE)
 753                         {
 754                                 // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
 755                                 trailtype = e->render.alpha == -1 ? 7 : 1;
 756                         }
 757                         else if (e->render.model->flags & EF_TRACER3)
 758                         {
 759                                 trailtype = 6;
 760                                 dlightcolor[0] += 0x50;
 761                                 dlightcolor[1] += 0x20;
 762                                 dlightcolor[2] += 0x40;
 763                         }
 764                 }
 765                 // LordHavoc: customizable glow
 766                 if (e->state_current.glowsize)
 767                 {
 768                         // * 4 for the expansion from 0-255 to 0-1023 range,
 769                         // / 255 to scale down byte colors
 770                         VectorMA(dlightcolor, e->state_current.glowsize * (4.0f / 255.0f), (qbyte *)&palette_complete[e->state_current.glowcolor], dlightcolor);
 771                 }
 772                 // make the dlight
 773                 if ((dlightcolor[0] || dlightcolor[1] || dlightcolor[2]) && !(e->render.flags & RENDER_VIEWMODEL) && !e->state_current.tagentity)
 774                 {
 775                         VectorCopy(origin, v);
 776                         // hack to make glowing player light shine on their gun
 777                         if ((e - cl_entities) == cl.viewentity/* && !chase_active.integer*/)
 778                                 v[2] += 30;
 779                         CL_AllocDlight(&e->render, v, 1, dlightcolor[0], dlightcolor[1], dlightcolor[2], 0, 0);
 780                 }
 781                 // trails need the previous frame
 782                 if (e->state_previous.active && e->state_previous.modelindex == e->state_current.modelindex)
 783                 {
 784                         if (e->render.flags & RENDER_GLOWTRAIL)
 785                                 CL_RocketTrail2(e->persistent.trail_origin, origin, e->state_current.glowcolor, e);
 786                         else if (trailtype >= 0)
 787                                 CL_RocketTrail(e->persistent.trail_origin, origin, trailtype, e);
 788                 }
 789                 VectorCopy(origin, e->persistent.trail_origin);
 790                 // note: the cl.viewentity and intermission check is to hide player
 791                 // shadow during intermission and during the Nehahra movie and
 792                 // Nehahra cinematics
 793                 if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE))
 794                  && (e->render.alpha == 1)
 795                  && !(e->render.flags & RENDER_VIEWMODEL)
 796                  && ((e - cl_entities) != cl.viewentity || (!cl.intermission && !Nehahrademcompatibility && !cl_noplayershadow.integer)))
 797                         e->render.flags |= RENDER_SHADOW;
 798                 // as soon as player is known we can call V_CalcRefDef
 799                 if ((e - cl_entities) == cl.viewentity)
 800                         V_CalcRefdef();
 801                 if (e->render.model && e->render.model->name[0] == '*' && e->render.model->type == mod_brush)
 802                         cl_brushmodel_entities[cl_num_brushmodel_entities++] = &e->render;
 803                 // don't show entities with no modelindex (note: this still shows
 804                 // entities which have a modelindex that resolved to a NULL model)
 805                 if (e->render.model && !(e->render.effects & EF_NODRAW) && r_refdef.numentities < r_refdef.maxentities)
 806                         r_refdef.entities[r_refdef.numentities++] = &e->render;
 807                 if (cl_num_entities < e->state_current.number + 1)
 808                         cl_num_entities = e->state_current.number + 1;
 809         }
 810 }
 811
 812 void CL_RelinkWorld(void)
 813 {
 814         entity_t *ent = &cl_entities[0];
 815         if (cl_num_entities < 1)
 816                 cl_num_entities = 1;
 817         cl_brushmodel_entities[cl_num_brushmodel_entities++] = &ent->render;
 818         // FIXME: this should be done at load
 819         Matrix4x4_CreateIdentity(&ent->render.matrix);
 820         Matrix4x4_CreateIdentity(&ent->render.inversematrix);
 821         CL_BoundingBoxForEntity(&ent->render);
 822 }
 823
 824 static void CL_RelinkStaticEntities(void)
 825 {
 826         int i;
 827         for (i = 0;i < cl_num_static_entities && r_refdef.numentities < r_refdef.maxentities;i++)
 828         {
 829                 Mod_CheckLoaded(cl_static_entities[i].render.model);
 830                 r_refdef.entities[r_refdef.numentities++] = &cl_static_entities[i].render;
 831         }
 832 }
 833
 834 /*
 835 ===============
 836 CL_RelinkEntities
 837 ===============
 838 */
 839 static void CL_RelinkNetworkEntities(void)
 840 {
 841         entity_t *ent;
 842         int i;
 843
 844         ent = &cl.viewent;
 845         ent->state_previous = ent->state_current;
 846         ClearStateToDefault(&ent->state_current);
 847         ent->state_current.time = cl.time;
 848         ent->state_current.number = -1;
 849         ent->state_current.active = true;
 850         ent->state_current.modelindex = cl.stats[STAT_WEAPON];
 851         ent->state_current.frame = cl.stats[STAT_WEAPONFRAME];
 852         ent->state_current.flags = RENDER_VIEWMODEL;
 853
 854         // start on the entity after the world
 855         entitylinkframenumber++;
 856         for (i = 1, ent = cl_entities + 1;i < MAX_EDICTS;i++, ent++)
 857         {
 858                 if (cl_entities_active[i])
 859                 {
 860                         if (ent->state_current.active)
 861                                 CL_LinkNetworkEntity(ent);
 862                         else
 863                                 cl_entities_active[i] = false;
 864                 }
 865         }
 866         CL_LinkNetworkEntity(&cl.viewent);
 867 }
 868
 869 static void CL_RelinkEffects(void)
 870 {
 871         int i, intframe;
 872         cl_effect_t *e;
 873         entity_t *ent;
 874         float frame;
 875
 876         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
 877         {
 878                 if (e->active)
 879                 {
 880                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
 881                         intframe = frame;
 882                         if (intframe < 0 || intframe >= e->endframe)
 883                         {
 884                                 memset(e, 0, sizeof(*e));
 885                                 continue;
 886                         }
 887
 888                         if (intframe != e->frame)
 889                         {
 890                                 e->frame = intframe;
 891                                 e->frame1time = e->frame2time;
 892                                 e->frame2time = cl.time;
 893                         }
 894
 895                         // if we're drawing effects, get a new temp entity
 896                         // (NewTempEntity adds it to the render entities list for us)
 897                         if (r_draweffects.integer && (ent = CL_NewTempEntity()))
 898                         {
 899                                 // interpolation stuff
 900                                 ent->render.frame1 = intframe;
 901                                 ent->render.frame2 = intframe + 1;
 902                                 if (ent->render.frame2 >= e->endframe)
 903                                         ent->render.frame2 = -1; // disappear
 904                                 ent->render.framelerp = frame - intframe;
 905                                 ent->render.frame1time = e->frame1time;
 906                                 ent->render.frame2time = e->frame2time;
 907
 908                                 // normal stuff
 909                                 ent->render.model = cl.model_precache[e->modelindex];
 910                                 ent->render.frame = ent->render.frame2;
 911                                 ent->render.colormap = -1; // no special coloring
 912                                 ent->render.alpha = 1;
 913
 914                                 Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, e->origin[0], e->origin[1], e->origin[2], 0, 0, 0, 1);
 915                                 Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
 916                                 CL_BoundingBoxForEntity(&ent->render);
 917                         }
 918                 }
 919         }
 920 }
 921
 922 void CL_RelinkBeams(void)
 923 {
 924         int i;
 925         beam_t *b;
 926         vec3_t dist, org;
 927         float d;
 928         entity_t *ent;
 929         float yaw, pitch;
 930         float forward;
 931
 932         for (i = 0, b = cl_beams;i < cl_max_beams;i++, b++)
 933         {
 934                 if (!b->model || b->endtime < cl.time)
 935                         continue;
 936
 937                 // if coming from the player, update the start position
 938                 //if (b->entity == cl.viewentity)
 939                 //      VectorCopy (cl_entities[cl.viewentity].render.origin, b->start);
 940                 if (cl_beams_relative.integer && b->entity && cl_entities[b->entity].state_current.active && b->relativestartvalid)
 941                 {
 942                         entity_state_t *p = &cl_entities[b->entity].state_previous;
 943                         //entity_state_t *c = &cl_entities[b->entity].state_current;
 944                         entity_render_t *r = &cl_entities[b->entity].render;
 945                         matrix4x4_t matrix, imatrix;
 946                         if (b->relativestartvalid == 2)
 947                         {
 948                                 // not really valid yet, we need to get the orientation now
 949                                 // (ParseBeam flagged this because it is received before
 950                                 //  entities are received, by now they have been received)
 951                                 // note: because players create lightning in their think
 952                                 // function (which occurs before movement), they actually
 953                                 // have some lag in it's location, so compare to the
 954                                 // previous player state, not the latest
 955                                 if (b->entity == cl.viewentity)
 956                                         Matrix4x4_CreateFromQuakeEntity(&matrix, p->origin[0], p->origin[1], p->origin[2] + 16, cl.viewangles[0], cl.viewangles[1], cl.viewangles[2], 1);
 957                                 else
 958                                         Matrix4x4_CreateFromQuakeEntity(&matrix, p->origin[0], p->origin[1], p->origin[2] + 16, p->angles[0], p->angles[1], p->angles[2], 1);
 959                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
 960                                 Matrix4x4_Transform(&imatrix, b->start, b->relativestart);
 961                                 Matrix4x4_Transform(&imatrix, b->end, b->relativeend);
 962                                 b->relativestartvalid = 1;
 963                         }
 964                         else
 965                         {
 966                                 if (b->entity == cl.viewentity)
 967                                         Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, cl.viewangles[0], cl.viewangles[1], cl.viewangles[2], 1);
 968                                 else
 969                                         Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, r->angles[0], r->angles[1], r->angles[2], 1);
 970                                 Matrix4x4_Transform(&matrix, b->relativestart, b->start);
 971                                 Matrix4x4_Transform(&matrix, b->relativeend, b->end);
 972                         }
 973                 }
 974
 975                 if (b->lightning)
 976                 {
 977                         if (cl_beams_lightatend.integer)
 978                                 CL_AllocDlight (NULL, b->end, 200, 0.3, 0.7, 1, 0, 0);
 979                         if (cl_beams_polygons.integer)
 980                                 continue;
 981                 }
 982
 983                 // calculate pitch and yaw
 984                 VectorSubtract (b->end, b->start, dist);
 985
 986                 if (dist[1] == 0 && dist[0] == 0)
 987                 {
 988                         yaw = 0;
 989                         if (dist[2] > 0)
 990                                 pitch = 90;
 991                         else
 992                                 pitch = 270;
 993                 }
 994                 else
 995                 {
 996                         yaw = (int) (atan2(dist[1], dist[0]) * 180 / M_PI);
 997                         if (yaw < 0)
 998                                 yaw += 360;
 999
1000                         forward = sqrt (dist[0]*dist[0] + dist[1]*dist[1]);
1001                         pitch = (int) (atan2(dist[2], forward) * 180 / M_PI);
1002                         if (pitch < 0)
1003                                 pitch += 360;
1004                 }
1005
1006                 // add new entities for the lightning
1007                 VectorCopy (b->start, org);
1008                 d = VectorNormalizeLength(dist);
1009                 while (d > 0)
1010                 {
1011                         ent = CL_NewTempEntity ();
1012                         if (!ent)
1013                                 return;
1014                         //VectorCopy (org, ent->render.origin);
1015                         ent->render.model = b->model;
1016                         ent->render.effects = EF_FULLBRIGHT;
1017                         //ent->render.angles[0] = pitch;
1018                         //ent->render.angles[1] = yaw;
1019                         //ent->render.angles[2] = rand()%360;
1020                         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, org[0], org[1], org[2], -pitch, yaw, lhrandom(0, 360), 1);
1021                         Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
1022                         CL_BoundingBoxForEntity(&ent->render);
1023                         VectorMA(org, 30, dist, org);
1024                         d -= 30;
1025                 }
1026         }
1027 }
1028
1029 void CL_LerpPlayer(float frac)
1030 {
1031         int i;
1032         float d;
1033
1034         cl.viewzoom = cl.viewzoomold + frac * (cl.viewzoomnew - cl.viewzoomold);
1035
1036         for (i = 0;i < 3;i++)
1037                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
1038
1039         if (cls.demoplayback)
1040         {
1041                 // interpolate the angles
1042                 for (i = 0;i < 3;i++)
1043                 {
1044                         d = cl.mviewangles[0][i] - cl.mviewangles[1][i];
1045                         if (d > 180)
1046                                 d -= 360;
1047                         else if (d < -180)
1048                                 d += 360;
1049                         cl.viewangles[i] = cl.mviewangles[1][i] + frac * d;
1050                 }
1051         }
1052 }
1053
1054 /*
1055 ===============
1056 CL_ReadFromServer
1057
1058 Read all incoming data from the server
1059 ===============
1060 */
1061 int CL_ReadFromServer(void)
1062 {
1063         CL_ReadDemoMessage();
1064
1065         r_refdef.numentities = 0;
1066         cl_num_entities = 0;
1067         cl_num_brushmodel_entities = 0;
1068
1069         if (cls.state == ca_connected && cls.signon == SIGNONS)
1070         {
1071                 // prepare for a new frame
1072                 CL_LerpPlayer(CL_LerpPoint());
1073                 CL_DecayLights();
1074                 CL_ClearTempEntities();
1075                 V_DriftPitch();
1076                 V_FadeViewFlashs();
1077
1078                 // relink network entities (note: this sets up the view!)
1079                 CL_RelinkNetworkEntities();
1080
1081                 // move particles
1082                 CL_MoveParticles();
1083
1084                 // link stuff
1085                 CL_RelinkWorld();
1086                 CL_RelinkStaticEntities();
1087                 CL_RelinkBeams();
1088                 CL_RelinkEffects();
1089
1090                 // run cgame code (which can add more entities)
1091                 CL_CGVM_Frame();
1092
1093                 // update view blend
1094                 V_CalcViewBlend();
1095         }
1096
1097         return 0;
1098 }
1099
1100 /*
1101 =================
1102 CL_SendCmd
1103 =================
1104 */
1105 void CL_SendCmd(void)
1106 {
1107         usercmd_t cmd;
1108
1109         if (cls.signon == SIGNONS)
1110         {
1111                 // get basic movement from keyboard
1112                 CL_BaseMove(&cmd);
1113
1114                 // OS independent code
1115                 IN_PreMove();
1116
1117                 // allow mice or other external controllers to add to the move
1118                 IN_Move(&cmd);
1119
1120                 // OS independent code
1121                 IN_PostMove();
1122
1123                 // send the unreliable message
1124                 CL_SendMove(&cmd);
1125         }
1126
1127         if (cls.demoplayback)
1128         {
1129                 SZ_Clear(&cls.message);
1130                 return;
1131         }
1132
1133         // send the reliable message (forwarded commands) if there is one
1134         if (cls.message.cursize && NetConn_CanSendMessage(cls.netcon))
1135         {
1136                 if (developer.integer)
1137                 {
1138                         Con_Printf("CL_SendCmd: sending reliable message:\n");
1139                         SZ_HexDumpToConsole(&cls.message);
1140                 }
1141                 if (NetConn_SendReliableMessage(cls.netcon, &cls.message) == -1)
1142                         Host_Error("CL_WriteToServer: lost server connection");
1143                 SZ_Clear(&cls.message);
1144         }
1145 }
1146
1147 // LordHavoc: pausedemo command
1148 static void CL_PauseDemo_f (void)
1149 {
1150         cls.demopaused = !cls.demopaused;
1151         if (cls.demopaused)
1152                 Con_Printf("Demo paused\n");
1153         else
1154                 Con_Printf("Demo unpaused\n");
1155 }
1156
1157 /*
1158 ======================
1159 CL_Fog_f
1160 ======================
1161 */
1162 static void CL_Fog_f (void)
1163 {
1164         if (Cmd_Argc () == 1)
1165         {
1166                 Con_Printf ("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
1167                 return;
1168         }
1169         fog_density = atof(Cmd_Argv(1));
1170         fog_red = atof(Cmd_Argv(2));
1171         fog_green = atof(Cmd_Argv(3));
1172         fog_blue = atof(Cmd_Argv(4));
1173 }
1174
1175 /*
1176 =================
1177 CL_Init
1178 =================
1179 */
1180 void CL_Init (void)
1181 {
1182         cl_entities_mempool = Mem_AllocPool("client entities");
1183         cl_refdef_mempool = Mem_AllocPool("refdef");
1184
1185         memset(&r_refdef, 0, sizeof(r_refdef));
1186         // max entities sent to renderer per frame
1187         r_refdef.maxentities = MAX_EDICTS + 256 + 512;
1188         r_refdef.entities = Mem_Alloc(cl_refdef_mempool, sizeof(entity_render_t *) * r_refdef.maxentities);
1189         // 256k drawqueue buffer
1190         r_refdef.maxdrawqueuesize = 256 * 1024;
1191         r_refdef.drawqueue = Mem_Alloc(cl_refdef_mempool, r_refdef.maxdrawqueuesize);
1192
1193         SZ_Alloc (&cls.message, 1024, "cls.message");
1194
1195         CL_InitInput ();
1196         CL_InitTEnts ();
1197
1198 //
1199 // register our commands
1200 //
1201         Cvar_RegisterVariable (&cl_upspeed);
1202         Cvar_RegisterVariable (&cl_forwardspeed);
1203         Cvar_RegisterVariable (&cl_backspeed);
1204         Cvar_RegisterVariable (&cl_sidespeed);
1205         Cvar_RegisterVariable (&cl_movespeedkey);
1206         Cvar_RegisterVariable (&cl_yawspeed);
1207         Cvar_RegisterVariable (&cl_pitchspeed);
1208         Cvar_RegisterVariable (&cl_anglespeedkey);
1209         Cvar_RegisterVariable (&cl_shownet);
1210         Cvar_RegisterVariable (&cl_nolerp);
1211         Cvar_RegisterVariable (&lookspring);
1212         Cvar_RegisterVariable (&lookstrafe);
1213         Cvar_RegisterVariable (&sensitivity);
1214         Cvar_RegisterVariable (&freelook);
1215
1216         Cvar_RegisterVariable (&m_pitch);
1217         Cvar_RegisterVariable (&m_yaw);
1218         Cvar_RegisterVariable (&m_forward);
1219         Cvar_RegisterVariable (&m_side);
1220
1221         Cvar_RegisterVariable (&cl_itembobspeed);
1222         Cvar_RegisterVariable (&cl_itembobheight);
1223
1224         Cmd_AddCommand ("entities", CL_PrintEntities_f);
1225         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
1226         Cmd_AddCommand ("record", CL_Record_f);
1227         Cmd_AddCommand ("stop", CL_Stop_f);
1228         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
1229         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
1230
1231         Cmd_AddCommand ("fog", CL_Fog_f);
1232
1233         // LordHavoc: added pausedemo
1234         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
1235
1236         Cvar_RegisterVariable(&r_draweffects);
1237         Cvar_RegisterVariable(&cl_explosions);
1238         Cvar_RegisterVariable(&cl_stainmaps);
1239         Cvar_RegisterVariable(&cl_beams_polygons);
1240         Cvar_RegisterVariable(&cl_beams_relative);
1241         Cvar_RegisterVariable(&cl_beams_lightatend);
1242         Cvar_RegisterVariable(&cl_noplayershadow);
1243
1244         CL_Parse_Init();
1245         CL_Particles_Init();
1246         CL_Screen_Init();
1247         CL_CGVM_Init();
1248
1249         CL_Video_Init();
1250 }
1251