cl_main.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // cl_main.c  -- client main loop
  21
  22 #include "quakedef.h"
  23 #include "cl_collision.h"
  24 #include "cl_video.h"
  25 #include "image.h"
  26
  27 // we need to declare some mouse variables here, because the menu system
  28 // references them even when on a unix system.
  29
  30 cvar_t cl_shownet = {0, "cl_shownet","0"};
  31 cvar_t cl_nolerp = {0, "cl_nolerp", "0"};
  32
  33 cvar_t cl_itembobheight = {0, "cl_itembobheight", "8"};
  34 cvar_t cl_itembobspeed = {0, "cl_itembobspeed", "0.5"};
  35
  36 cvar_t lookspring = {CVAR_SAVE, "lookspring","0"};
  37 cvar_t lookstrafe = {CVAR_SAVE, "lookstrafe","0"};
  38 cvar_t sensitivity = {CVAR_SAVE, "sensitivity","3", 1, 30};
  39
  40 cvar_t m_pitch = {CVAR_SAVE, "m_pitch","0.022"};
  41 cvar_t m_yaw = {CVAR_SAVE, "m_yaw","0.022"};
  42 cvar_t m_forward = {CVAR_SAVE, "m_forward","1"};
  43 cvar_t m_side = {CVAR_SAVE, "m_side","0.8"};
  44
  45 cvar_t freelook = {CVAR_SAVE, "freelook", "1"};
  46
  47 cvar_t r_draweffects = {0, "r_draweffects", "1"};
  48
  49 cvar_t cl_explosions = {CVAR_SAVE, "cl_explosions", "1"};
  50 cvar_t cl_stainmaps = {CVAR_SAVE, "cl_stainmaps", "1"};
  51
  52 cvar_t cl_beams_polygons = {CVAR_SAVE, "cl_beams_polygons", "1"};
  53 cvar_t cl_beams_relative = {CVAR_SAVE, "cl_beams_relative", "1"};
  54 cvar_t cl_beams_lightatend = {CVAR_SAVE, "cl_beams_lightatend", "0"};
  55
  56 cvar_t cl_noplayershadow = {CVAR_SAVE, "cl_noplayershadow", "0"};
  57
  58 mempool_t *cl_refdef_mempool;
  59 mempool_t *cl_entities_mempool;
  60
  61 client_static_t cls;
  62 client_state_t  cl;
  63
  64 int cl_max_entities;
  65 int cl_max_static_entities;
  66 int cl_max_temp_entities;
  67 int cl_max_effects;
  68 int cl_max_beams;
  69 int cl_max_dlights;
  70 int cl_max_lightstyle;
  71 int cl_max_brushmodel_entities;
  72
  73 entity_t *cl_entities;
  74 qbyte *cl_entities_active;
  75 entity_t *cl_static_entities;
  76 entity_t *cl_temp_entities;
  77 cl_effect_t *cl_effects;
  78 beam_t *cl_beams;
  79 dlight_t *cl_dlights;
  80 lightstyle_t *cl_lightstyle;
  81 entity_render_t **cl_brushmodel_entities;
  82
  83 int cl_num_entities;
  84 int cl_num_static_entities;
  85 int cl_num_temp_entities;
  86 int cl_num_brushmodel_entities;
  87
  88 /*
  89 =====================
  90 CL_ClearState
  91
  92 =====================
  93 */
  94 void CL_ClearState(void)
  95 {
  96         int i;
  97
  98         if (!sv.active)
  99                 Host_ClearMemory ();
 100
 101         // note: this also gets rid of the entity database
 102         Mem_EmptyPool(cl_entities_mempool);
 103
 104 // wipe the entire cl structure
 105         memset (&cl, 0, sizeof(cl));
 106
 107         SZ_Clear (&cls.message);
 108
 109         cl_num_entities = 0;
 110         cl_num_static_entities = 0;
 111         cl_num_temp_entities = 0;
 112         cl_num_brushmodel_entities = 0;
 113
 114         // tweak these if the game runs out
 115         cl_max_entities = MAX_EDICTS;
 116         cl_max_static_entities = 256;
 117         cl_max_temp_entities = 512;
 118         cl_max_effects = 256;
 119         cl_max_beams = 24;
 120         cl_max_dlights = MAX_DLIGHTS;
 121         cl_max_lightstyle = MAX_LIGHTSTYLES;
 122         cl_max_brushmodel_entities = MAX_EDICTS;
 123
 124         cl_entities = Mem_Alloc(cl_entities_mempool, cl_max_entities * sizeof(entity_t));
 125         cl_entities_active = Mem_Alloc(cl_entities_mempool, cl_max_entities * sizeof(qbyte));
 126         cl_static_entities = Mem_Alloc(cl_entities_mempool, cl_max_static_entities * sizeof(entity_t));
 127         cl_temp_entities = Mem_Alloc(cl_entities_mempool, cl_max_temp_entities * sizeof(entity_t));
 128         cl_effects = Mem_Alloc(cl_entities_mempool, cl_max_effects * sizeof(cl_effect_t));
 129         cl_beams = Mem_Alloc(cl_entities_mempool, cl_max_beams * sizeof(beam_t));
 130         cl_dlights = Mem_Alloc(cl_entities_mempool, cl_max_dlights * sizeof(dlight_t));
 131         cl_lightstyle = Mem_Alloc(cl_entities_mempool, cl_max_lightstyle * sizeof(lightstyle_t));
 132         cl_brushmodel_entities = Mem_Alloc(cl_entities_mempool, cl_max_brushmodel_entities * sizeof(entity_render_t *));
 133
 134         CL_Screen_NewMap();
 135
 136         CL_Particles_Clear();
 137
 138         // LordHavoc: have to set up the baseline info for alpha and other stuff
 139         for (i = 0;i < cl_max_entities;i++)
 140         {
 141                 ClearStateToDefault(&cl_entities[i].state_baseline);
 142                 ClearStateToDefault(&cl_entities[i].state_previous);
 143                 ClearStateToDefault(&cl_entities[i].state_current);
 144         }
 145
 146         CL_CGVM_Clear();
 147 }
 148
 149 /*
 150 =====================
 151 CL_Disconnect
 152
 153 Sends a disconnect message to the server
 154 This is also called on Host_Error, so it shouldn't cause any errors
 155 =====================
 156 */
 157 void CL_Disconnect(void)
 158 {
 159         if (cls.state == ca_dedicated)
 160                 return;
 161
 162 // stop sounds (especially looping!)
 163         S_StopAllSounds (true);
 164
 165         // clear contents blends
 166         cl.cshifts[0].percent = 0;
 167         cl.cshifts[1].percent = 0;
 168         cl.cshifts[2].percent = 0;
 169         cl.cshifts[3].percent = 0;
 170
 171         cl.worldmodel = NULL;
 172
 173         if (cls.demoplayback)
 174                 CL_StopPlayback();
 175         else if (cls.netcon)
 176         {
 177                 if (cls.demorecording)
 178                         CL_Stop_f();
 179
 180                 Con_DPrintf("Sending clc_disconnect\n");
 181                 SZ_Clear(&cls.message);
 182                 MSG_WriteByte(&cls.message, clc_disconnect);
 183                 NetConn_SendUnreliableMessage(cls.netcon, &cls.message);
 184                 SZ_Clear(&cls.message);
 185                 NetConn_Close(cls.netcon);
 186                 cls.netcon = NULL;
 187                 // if running a local server, shut it down
 188                 if (sv.active)
 189                 {
 190                         // prevent this code from executing again during Host_ShutdownServer
 191                         cls.state = ca_disconnected;
 192                         Host_ShutdownServer(false);
 193                 }
 194         }
 195         cls.state = ca_disconnected;
 196
 197         cls.demoplayback = cls.timedemo = false;
 198         cls.signon = 0;
 199 }
 200
 201 void CL_Disconnect_f(void)
 202 {
 203         CL_Disconnect ();
 204         if (sv.active)
 205                 Host_ShutdownServer (false);
 206 }
 207
 208
 209
 210
 211 /*
 212 =====================
 213 CL_EstablishConnection
 214
 215 Host should be either "local" or a net address
 216 =====================
 217 */
 218 void CL_EstablishConnection(const char *host)
 219 {
 220         if (cls.state == ca_dedicated)
 221                 return;
 222
 223         // clear menu's connect error message
 224         m_return_reason[0] = 0;
 225         cls.demonum = -1;
 226
 227         // stop demo loop in case this fails
 228         CL_Disconnect();
 229         NetConn_ClientFrame();
 230         NetConn_ServerFrame();
 231
 232         if (LHNETADDRESS_FromString(&cls.connect_address, host, 26000) && (cls.connect_mysocket = NetConn_ChooseClientSocketForAddress(&cls.connect_address)))
 233         {
 234                 cls.connect_trying = true;
 235                 cls.connect_remainingtries = 3;
 236                 cls.connect_nextsendtime = 0;
 237                 if (sv.active)
 238                 {
 239                         NetConn_ClientFrame();
 240                         NetConn_ServerFrame();
 241                         NetConn_ClientFrame();
 242                         NetConn_ServerFrame();
 243                         NetConn_ClientFrame();
 244                         NetConn_ServerFrame();
 245                         NetConn_ClientFrame();
 246                         NetConn_ServerFrame();
 247                 }
 248         }
 249         else
 250         {
 251                 Con_Printf("Unable to find a suitable network socket to connect to server.\n");
 252                 strcpy(m_return_reason, "No network");
 253         }
 254 }
 255
 256 /*
 257 ==============
 258 CL_PrintEntities_f
 259 ==============
 260 */
 261 static void CL_PrintEntities_f(void)
 262 {
 263         entity_t *ent;
 264         int i, j;
 265         char name[32];
 266
 267         for (i = 0, ent = cl_entities;i < cl_num_entities;i++, ent++)
 268         {
 269                 if (!ent->state_current.active)
 270                         continue;
 271
 272                 if (ent->render.model)
 273                         strlcpy (name, ent->render.model->name, 25);
 274                 else
 275                         strcpy(name, "--no model--");
 276                 for (j = strlen(name);j < 25;j++)
 277                         name[j] = ' ';
 278                 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);
 279         }
 280 }
 281
 282 //static const vec3_t nomodelmins = {-16, -16, -16};
 283 //static const vec3_t nomodelmaxs = {16, 16, 16};
 284 void CL_BoundingBoxForEntity(entity_render_t *ent)
 285 {
 286         if (ent->model)
 287         {
 288                 //if (ent->angles[0] || ent->angles[2])
 289                 if (ent->matrix.m[2][0] != 0 || ent->matrix.m[2][1] != 0)
 290                 {
 291                         // pitch or roll
 292                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->rotatedmins[0];
 293                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->rotatedmins[1];
 294                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->rotatedmins[2];
 295                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->rotatedmaxs[0];
 296                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->rotatedmaxs[1];
 297                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->rotatedmaxs[2];
 298                         //VectorAdd(ent->origin, ent->model->rotatedmins, ent->mins);
 299                         //VectorAdd(ent->origin, ent->model->rotatedmaxs, ent->maxs);
 300                 }
 301                 //else if (ent->angles[1])
 302                 else if (ent->matrix.m[0][1] != 0 || ent->matrix.m[1][0] != 0)
 303                 {
 304                         // yaw
 305                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->yawmins[0];
 306                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->yawmins[1];
 307                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->yawmins[2];
 308                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->yawmaxs[0];
 309                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->yawmaxs[1];
 310                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->yawmaxs[2];
 311                         //VectorAdd(ent->origin, ent->model->yawmins, ent->mins);
 312                         //VectorAdd(ent->origin, ent->model->yawmaxs, ent->maxs);
 313                 }
 314                 else
 315                 {
 316                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->normalmins[0];
 317                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->normalmins[1];
 318                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->normalmins[2];
 319                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->normalmaxs[0];
 320                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->normalmaxs[1];
 321                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->normalmaxs[2];
 322                         //VectorAdd(ent->origin, ent->model->normalmins, ent->mins);
 323                         //VectorAdd(ent->origin, ent->model->normalmaxs, ent->maxs);
 324                 }
 325         }
 326         else
 327         {
 328                 ent->mins[0] = ent->matrix.m[0][3] - 16;
 329                 ent->mins[1] = ent->matrix.m[1][3] - 16;
 330                 ent->mins[2] = ent->matrix.m[2][3] - 16;
 331                 ent->maxs[0] = ent->matrix.m[0][3] + 16;
 332                 ent->maxs[1] = ent->matrix.m[1][3] + 16;
 333                 ent->maxs[2] = ent->matrix.m[2][3] + 16;
 334                 //VectorAdd(ent->origin, nomodelmins, ent->mins);
 335                 //VectorAdd(ent->origin, nomodelmaxs, ent->maxs);
 336         }
 337 }
 338
 339 /*
 340 ===============
 341 CL_LerpPoint
 342
 343 Determines the fraction between the last two messages that the objects
 344 should be put at.
 345 ===============
 346 */
 347 static float CL_LerpPoint(void)
 348 {
 349         float f;
 350
 351         // dropped packet, or start of demo
 352         if (cl.mtime[1] < cl.mtime[0] - 0.1)
 353                 cl.mtime[1] = cl.mtime[0] - 0.1;
 354
 355         cl.time = bound(cl.mtime[1], cl.time, cl.mtime[0]);
 356
 357         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 358         f = cl.mtime[0] - cl.mtime[1];
 359         if (!f || cl_nolerp.integer || cls.timedemo || cl.islocalgame)
 360         {
 361                 cl.time = cl.mtime[0];
 362                 return 1;
 363         }
 364
 365         f = (cl.time - cl.mtime[1]) / f;
 366         return bound(0, f, 1);
 367 }
 368
 369 void CL_ClearTempEntities (void)
 370 {
 371         cl_num_temp_entities = 0;
 372 }
 373
 374 entity_t *CL_NewTempEntity(void)
 375 {
 376         entity_t *ent;
 377
 378         if (r_refdef.numentities >= r_refdef.maxentities)
 379                 return NULL;
 380         if (cl_num_temp_entities >= cl_max_temp_entities)
 381                 return NULL;
 382         ent = &cl_temp_entities[cl_num_temp_entities++];
 383         memset (ent, 0, sizeof(*ent));
 384         r_refdef.entities[r_refdef.numentities++] = &ent->render;
 385
 386         ent->render.colormap = -1; // no special coloring
 387         ent->render.scale = 1;
 388         ent->render.alpha = 1;
 389         return ent;
 390 }
 391
 392 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
 393 {
 394         int i;
 395         cl_effect_t *e;
 396         if (!modelindex) // sanity check
 397                 return;
 398         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
 399         {
 400                 if (e->active)
 401                         continue;
 402                 e->active = true;
 403                 VectorCopy(org, e->origin);
 404                 e->modelindex = modelindex;
 405                 e->starttime = cl.time;
 406                 e->startframe = startframe;
 407                 e->endframe = startframe + framecount;
 408                 e->framerate = framerate;
 409
 410                 e->frame = 0;
 411                 e->frame1time = cl.time;
 412                 e->frame2time = cl.time;
 413                 break;
 414         }
 415 }
 416
 417 void CL_AllocDlight(entity_render_t *ent, vec3_t org, float radius, float red, float green, float blue, float decay, float lifetime)
 418 {
 419         int i;
 420         dlight_t *dl;
 421
 422         /*
 423 // first look for an exact key match
 424         if (ent)
 425         {
 426                 dl = cl_dlights;
 427                 for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 428                         if (dl->ent == ent)
 429                                 goto dlightsetup;
 430         }
 431         */
 432
 433 // then look for anything else
 434         dl = cl_dlights;
 435         for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 436                 if (!dl->radius)
 437                         goto dlightsetup;
 438
 439         // unable to find one
 440         return;
 441
 442 dlightsetup:
 443         //Con_Printf("dlight %i : %f %f %f : %f %f %f\n", i, org[0], org[1], org[2], red * radius, green * radius, blue * radius);
 444         memset (dl, 0, sizeof(*dl));
 445         dl->ent = ent;
 446         CL_FindNonSolidLocation(org, dl->origin, 6);
 447         //VectorCopy(org, dl->origin);
 448         dl->radius = radius;
 449         dl->color[0] = red;
 450         dl->color[1] = green;
 451         dl->color[2] = blue;
 452         dl->decay = decay;
 453         if (lifetime)
 454                 dl->die = cl.time + lifetime;
 455         else
 456                 dl->die = 0;
 457 }
 458
 459 void CL_DecayLights(void)
 460 {
 461         int i;
 462         dlight_t *dl;
 463         float time;
 464
 465         time = cl.time - cl.oldtime;
 466         for (i = 0, dl = cl_dlights;i < MAX_DLIGHTS;i++, dl++)
 467                 if (dl->radius)
 468                         dl->radius = (cl.time < dl->die) ? max(0, dl->radius - time * dl->decay) : 0;
 469 }
 470
 471 #define MAXVIEWMODELS 32
 472 entity_t *viewmodels[MAXVIEWMODELS];
 473 int numviewmodels;
 474
 475 matrix4x4_t viewmodelmatrix;
 476
 477 static int entitylinkframenumber;
 478
 479 static const vec3_t muzzleflashorigin = {18, 0, 0};
 480
 481 extern void V_DriftPitch(void);
 482 extern void V_FadeViewFlashs(void);
 483 extern void V_CalcViewBlend(void);
 484
 485 extern void V_CalcRefdef(void);
 486 // note this is a recursive function, but it can never get in a runaway loop (because of the delayedlink flags)
 487 void CL_LinkNetworkEntity(entity_t *e)
 488 {
 489         matrix4x4_t *matrix, blendmatrix, tempmatrix, matrix2;
 490         int j, k, l, trailtype, temp;
 491         float origin[3], angles[3], delta[3], lerp, dlightcolor[3], mins[3], maxs[3], v[3], v2[3], d;
 492         entity_t *t;
 493         model_t *model;
 494         //entity_persistent_t *p = &e->persistent;
 495         //entity_render_t *r = &e->render;
 496         if (e->persistent.linkframe != entitylinkframenumber)
 497         {
 498                 e->persistent.linkframe = entitylinkframenumber;
 499                 // skip inactive entities and world
 500                 if (!e->state_current.active || e == cl_entities)
 501                         return;
 502                 if (e->render.flags & RENDER_VIEWMODEL)
 503                 {
 504                         if (!r_drawviewmodel.integer || chase_active.integer || envmap)
 505                                 return;
 506                         if (cl.viewentity)
 507                                 CL_LinkNetworkEntity(cl_entities + cl.viewentity);
 508                         matrix = &viewmodelmatrix;
 509                         if (e == &cl.viewent && cl.viewentity >= 0 && cl.viewentity < MAX_EDICTS && cl_entities[cl.viewentity].state_current.active)
 510                         {
 511                                 e->state_current.alpha = cl_entities[cl.viewentity].state_current.alpha;
 512                                 e->state_current.effects = EF_NOSHADOW | (cl_entities[cl.viewentity].state_current.effects & (EF_ADDITIVE | EF_REFLECTIVE | EF_FULLBRIGHT));
 513                         }
 514                 }
 515                 else
 516                 {
 517                         t = cl_entities + e->state_current.tagentity;
 518                         if (!t->state_current.active)
 519                                 return;
 520                         // note: this can link to world
 521                         CL_LinkNetworkEntity(t);
 522                         // make relative to the entity
 523                         matrix = &t->render.matrix;
 524                         // if a valid tagindex is used, make it relative to that tag instead
 525                         if (e->state_current.tagentity && e->state_current.tagindex >= 1 && (model = t->render.model) && e->state_current.tagindex <= t->render.model->alias.aliasnum_tags)
 526                         {
 527                                 // blend the matrices
 528                                 memset(&blendmatrix, 0, sizeof(blendmatrix));
 529                                 for (j = 0;j < 4 && t->render.frameblend[j].lerp > 0;j++)
 530                                 {
 531                                         matrix = &t->render.model->alias.aliasdata_tags[t->render.frameblend[j].frame * t->render.model->alias.aliasnum_tags + (e->state_current.tagindex - 1)].matrix;
 532                                         d = t->render.frameblend[j].lerp;
 533                                         for (l = 0;l < 4;l++)
 534                                                 for (k = 0;k < 4;k++)
 535                                                         blendmatrix.m[l][k] += d * matrix->m[l][k];
 536                                 }
 537                                 // concat the tag matrices onto the entity matrix
 538                                 Matrix4x4_Concat(&tempmatrix, &t->render.matrix, &blendmatrix);
 539                                 // use the constructed tag matrix
 540                                 matrix = &tempmatrix;
 541                         }
 542                 }
 543                 e->render.alpha = e->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 544                 e->render.scale = e->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 545                 e->render.flags = e->state_current.flags;
 546                 if (e - cl_entities == cl.viewentity)
 547                         e->render.flags |= RENDER_EXTERIORMODEL;
 548                 e->render.effects = e->state_current.effects;
 549                 if (e->state_current.flags & RENDER_COLORMAPPED)
 550                         e->render.colormap = e->state_current.colormap;
 551                 else if (cl.scores != NULL && e->state_current.colormap)
 552                         e->render.colormap = cl.scores[e->state_current.colormap - 1].colors; // color it
 553                 else
 554                         e->render.colormap = -1; // no special coloring
 555                 e->render.skinnum = e->state_current.skin;
 556                 // set up the render matrix
 557                 if (e->state_previous.active && e->state_current.modelindex == e->state_previous.modelindex)
 558                 {
 559                         // movement lerp
 560                         if (e->persistent.lerpdeltatime > 0 && (lerp = (cl.time - e->persistent.lerpstarttime) / e->persistent.lerpdeltatime) < 1)
 561                         {
 562                                 // interpolate the origin and angles
 563                                 VectorLerp(e->persistent.oldorigin, lerp, e->persistent.neworigin, origin);
 564                                 VectorSubtract(e->persistent.newangles, e->persistent.oldangles, delta);
 565                                 if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
 566                                 if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
 567                                 if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
 568                                 VectorMA(e->persistent.oldangles, lerp, delta, angles);
 569                         }
 570                         else
 571                         {
 572                                 // no interpolation
 573                                 VectorCopy(e->persistent.neworigin, origin);
 574                                 VectorCopy(e->persistent.newangles, angles);
 575                         }
 576                         // animation lerp
 577                         if (e->render.frame2 == e->state_current.frame)
 578                         {
 579                                 // update frame lerp fraction
 580                                 e->render.framelerp = 1;
 581                                 if (e->render.frame2time > e->render.frame1time)
 582                                 {
 583                                         e->render.framelerp = (cl.time - e->render.frame2time) / (e->render.frame2time - e->render.frame1time);
 584                                         e->render.framelerp = bound(0, e->render.framelerp, 1);
 585                                 }
 586                         }
 587                         else
 588                         {
 589                                 // begin a new frame lerp
 590                                 e->render.frame1 = e->render.frame2;
 591                                 e->render.frame1time = e->render.frame2time;
 592                                 e->render.frame = e->render.frame2 = e->state_current.frame;
 593                                 e->render.frame2time = cl.time;
 594                                 e->render.framelerp = 0;
 595                                 // make sure frame lerp won't last longer than 100ms
 596                                 // (this mainly helps with models that use framegroups and
 597                                 // switch between them infrequently)
 598                                 e->render.frame1time = max(e->render.frame1time, e->render.frame2time - 0.1f);
 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_alias || e->render.model->type == mod_sprite)
 616                                 angles[0] = -angles[0];
 617                         if ((e->render.model->flags & EF_ROTATE) && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
 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                 R_LerpAnimation(&e->render);
 626
 627                 // FIXME: e->render.scale should go away
 628                 Matrix4x4_CreateFromQuakeEntity(&matrix2, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
 629                 // concat the matrices to make the entity relative to its tag
 630                 Matrix4x4_Concat(&e->render.matrix, matrix, &matrix2);
 631                 // make the other useful stuff
 632                 Matrix4x4_Invert_Simple(&e->render.inversematrix, &e->render.matrix);
 633                 CL_BoundingBoxForEntity(&e->render);
 634
 635                 // handle effects now that we know where this entity is in the world...
 636                 origin[0] = e->render.matrix.m[0][3];
 637                 origin[1] = e->render.matrix.m[1][3];
 638                 origin[2] = e->render.matrix.m[2][3];
 639                 trailtype = -1;
 640                 dlightcolor[0] = 0;
 641                 dlightcolor[1] = 0;
 642                 dlightcolor[2] = 0;
 643                 // LordHavoc: if the entity has no effects, don't check each
 644                 if (e->render.effects)
 645                 {
 646                         if (e->render.effects & EF_BRIGHTFIELD)
 647                         {
 648                                 if (gamemode == GAME_NEXUIZ)
 649                                 {
 650                                         dlightcolor[0] += 100.0f;
 651                                         dlightcolor[1] += 200.0f;
 652                                         dlightcolor[2] += 400.0f;
 653                                         trailtype = 8;
 654                                 }
 655                                 else
 656                                         CL_EntityParticles(e);
 657                         }
 658                         if (e->render.effects & EF_MUZZLEFLASH)
 659                                 e->persistent.muzzleflash = 100.0f;
 660                         if (e->render.effects & EF_DIMLIGHT)
 661                         {
 662                                 dlightcolor[0] += 200.0f;
 663                                 dlightcolor[1] += 200.0f;
 664                                 dlightcolor[2] += 200.0f;
 665                         }
 666                         if (e->render.effects & EF_BRIGHTLIGHT)
 667                         {
 668                                 dlightcolor[0] += 400.0f;
 669                                 dlightcolor[1] += 400.0f;
 670                                 dlightcolor[2] += 400.0f;
 671                         }
 672                         // LordHavoc: more effects
 673                         if (e->render.effects & EF_RED) // red
 674                         {
 675                                 dlightcolor[0] += 200.0f;
 676                                 dlightcolor[1] +=  20.0f;
 677                                 dlightcolor[2] +=  20.0f;
 678                         }
 679                         if (e->render.effects & EF_BLUE) // blue
 680                         {
 681                                 dlightcolor[0] +=  20.0f;
 682                                 dlightcolor[1] +=  20.0f;
 683                                 dlightcolor[2] += 200.0f;
 684                         }
 685                         if (e->render.effects & EF_FLAME)
 686                         {
 687                                 mins[0] = origin[0] - 16.0f;
 688                                 mins[1] = origin[1] - 16.0f;
 689                                 mins[2] = origin[2] - 16.0f;
 690                                 maxs[0] = origin[0] + 16.0f;
 691                                 maxs[1] = origin[1] + 16.0f;
 692                                 maxs[2] = origin[2] + 16.0f;
 693                                 // how many flames to make
 694                                 temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
 695                                 CL_FlameCube(mins, maxs, temp);
 696                                 d = lhrandom(200, 250);
 697                                 dlightcolor[0] += d * 1.0f;
 698                                 dlightcolor[1] += d * 0.7f;
 699                                 dlightcolor[2] += d * 0.3f;
 700                         }
 701                         if (e->render.effects & EF_STARDUST)
 702                         {
 703                                 mins[0] = origin[0] - 16.0f;
 704                                 mins[1] = origin[1] - 16.0f;
 705                                 mins[2] = origin[2] - 16.0f;
 706                                 maxs[0] = origin[0] + 16.0f;
 707                                 maxs[1] = origin[1] + 16.0f;
 708                                 maxs[2] = origin[2] + 16.0f;
 709                                 // how many particles to make
 710                                 temp = (int) (cl.time * 200) - (int) (cl.oldtime * 200);
 711                                 CL_Stardust(mins, maxs, temp);
 712                                 d = 100;
 713                                 dlightcolor[0] += d * 1.0f;
 714                                 dlightcolor[1] += d * 0.7f;
 715                                 dlightcolor[2] += d * 0.3f;
 716                         }
 717                 }
 718                 // muzzleflash fades over time, and is offset a bit
 719                 if (e->persistent.muzzleflash > 0)
 720                 {
 721                         Matrix4x4_Transform(&e->render.matrix, muzzleflashorigin, v2);
 722                         CL_TraceLine(origin, v2, v, NULL, true, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_SKY);
 723                         CL_AllocDlight(NULL, v, e->persistent.muzzleflash, 1, 1, 1, 0, 0);
 724                         e->persistent.muzzleflash -= cl.frametime * 1000;
 725                 }
 726                 // LordHavoc: if the model has no flags, don't check each
 727                 if (e->render.model && e->render.model->flags && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
 728                 {
 729                         if (e->render.model->flags & EF_GIB)
 730                                 trailtype = 2;
 731                         else if (e->render.model->flags & EF_ZOMGIB)
 732                                 trailtype = 4;
 733                         else if (e->render.model->flags & EF_TRACER)
 734                         {
 735                                 trailtype = 3;
 736                                 dlightcolor[0] += 0x10;
 737                                 dlightcolor[1] += 0x40;
 738                                 dlightcolor[2] += 0x10;
 739                         }
 740                         else if (e->render.model->flags & EF_TRACER2)
 741                         {
 742                                 trailtype = 5;
 743                                 dlightcolor[0] += 0x50;
 744                                 dlightcolor[1] += 0x30;
 745                                 dlightcolor[2] += 0x10;
 746                         }
 747                         else if (e->render.model->flags & EF_ROCKET)
 748                         {
 749                                 trailtype = 0;
 750                                 dlightcolor[0] += 200.0f;
 751                                 dlightcolor[1] += 160.0f;
 752                                 dlightcolor[2] +=  80.0f;
 753                         }
 754                         else if (e->render.model->flags & EF_GRENADE)
 755                         {
 756                                 // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
 757                                 trailtype = e->render.alpha == -1 ? 7 : 1;
 758                         }
 759                         else if (e->render.model->flags & EF_TRACER3)
 760                         {
 761                                 trailtype = 6;
 762                                 dlightcolor[0] += 0x50;
 763                                 dlightcolor[1] += 0x20;
 764                                 dlightcolor[2] += 0x40;
 765                         }
 766                 }
 767                 // LordHavoc: customizable glow
 768                 if (e->state_current.glowsize)
 769                 {
 770                         // * 4 for the expansion from 0-255 to 0-1023 range,
 771                         // / 255 to scale down byte colors
 772                         VectorMA(dlightcolor, e->state_current.glowsize * (4.0f / 255.0f), (qbyte *)&palette_complete[e->state_current.glowcolor], dlightcolor);
 773                 }
 774                 // make the dlight
 775                 if ((dlightcolor[0] || dlightcolor[1] || dlightcolor[2]) && !(e->render.flags & RENDER_VIEWMODEL) && !e->state_current.tagentity)
 776                 {
 777                         VectorCopy(origin, v);
 778                         // hack to make glowing player light shine on their gun
 779                         if ((e - cl_entities) == cl.viewentity/* && !chase_active.integer*/)
 780                                 v[2] += 30;
 781                         CL_AllocDlight(&e->render, v, 1, dlightcolor[0], dlightcolor[1], dlightcolor[2], 0, 0);
 782                 }
 783                 // trails need the previous frame
 784                 if (e->state_previous.active && e->state_previous.modelindex == e->state_current.modelindex)
 785                 {
 786                         if (e->render.flags & RENDER_GLOWTRAIL)
 787                                 CL_RocketTrail2(e->persistent.trail_origin, origin, e->state_current.glowcolor, e);
 788                         else if (trailtype >= 0)
 789                                 CL_RocketTrail(e->persistent.trail_origin, origin, trailtype, e);
 790                 }
 791                 VectorCopy(origin, e->persistent.trail_origin);
 792                 // note: the cl.viewentity and intermission check is to hide player
 793                 // shadow during intermission and during the Nehahra movie and
 794                 // Nehahra cinematics
 795                 if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE))
 796                  && (e->render.alpha == 1)
 797                  && !(e->render.flags & RENDER_VIEWMODEL)
 798                  && ((e - cl_entities) != cl.viewentity || (!cl.intermission && cl.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 799                         e->render.flags |= RENDER_SHADOW;
 800                 // as soon as player is known we can call V_CalcRefDef
 801                 if ((e - cl_entities) == cl.viewentity)
 802                         V_CalcRefdef();
 803                 if (e->render.model && e->render.model->name[0] == '*' && e->render.model->TraceBox)
 804                         cl_brushmodel_entities[cl_num_brushmodel_entities++] = &e->render;
 805                 // don't show entities with no modelindex (note: this still shows
 806                 // entities which have a modelindex that resolved to a NULL model)
 807                 if (e->render.model && !(e->render.effects & EF_NODRAW) && r_refdef.numentities < r_refdef.maxentities)
 808                         r_refdef.entities[r_refdef.numentities++] = &e->render;
 809                 if (cl_num_entities < e->state_current.number + 1)
 810                         cl_num_entities = e->state_current.number + 1;
 811         }
 812 }
 813
 814 void CL_RelinkWorld(void)
 815 {
 816         entity_t *ent = &cl_entities[0];
 817         if (cl_num_entities < 1)
 818                 cl_num_entities = 1;
 819         cl_brushmodel_entities[cl_num_brushmodel_entities++] = &ent->render;
 820         // FIXME: this should be done at load
 821         Matrix4x4_CreateIdentity(&ent->render.matrix);
 822         Matrix4x4_CreateIdentity(&ent->render.inversematrix);
 823         CL_BoundingBoxForEntity(&ent->render);
 824 }
 825
 826 static void CL_RelinkStaticEntities(void)
 827 {
 828         int i;
 829         for (i = 0;i < cl_num_static_entities && r_refdef.numentities < r_refdef.maxentities;i++)
 830         {
 831                 Mod_CheckLoaded(cl_static_entities[i].render.model);
 832                 r_refdef.entities[r_refdef.numentities++] = &cl_static_entities[i].render;
 833         }
 834 }
 835
 836 /*
 837 ===============
 838 CL_RelinkEntities
 839 ===============
 840 */
 841 static void CL_RelinkNetworkEntities(void)
 842 {
 843         entity_t *ent;
 844         int i;
 845
 846         ent = &cl.viewent;
 847         ent->state_previous = ent->state_current;
 848         ClearStateToDefault(&ent->state_current);
 849         ent->state_current.time = cl.time;
 850         ent->state_current.number = -1;
 851         ent->state_current.active = true;
 852         ent->state_current.modelindex = cl.stats[STAT_WEAPON];
 853         ent->state_current.frame = cl.stats[STAT_WEAPONFRAME];
 854         ent->state_current.flags = RENDER_VIEWMODEL;
 855         if (cl.stats[STAT_HEALTH] <= 0 || cl.intermission)
 856                 ent->state_current.modelindex = 0;
 857         else if (cl.items & IT_INVISIBILITY)
 858         {
 859                 if (gamemode == GAME_TRANSFUSION)
 860                         ent->state_current.alpha = 128;
 861                 else
 862                         ent->state_current.modelindex = 0;
 863         }
 864
 865         // start on the entity after the world
 866         entitylinkframenumber++;
 867         for (i = 1, ent = cl_entities + 1;i < MAX_EDICTS;i++, ent++)
 868         {
 869                 if (cl_entities_active[i])
 870                 {
 871                         if (ent->state_current.active)
 872                                 CL_LinkNetworkEntity(ent);
 873                         else
 874                                 cl_entities_active[i] = false;
 875                 }
 876         }
 877         CL_LinkNetworkEntity(&cl.viewent);
 878 }
 879
 880 static void CL_RelinkEffects(void)
 881 {
 882         int i, intframe;
 883         cl_effect_t *e;
 884         entity_t *ent;
 885         float frame;
 886
 887         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
 888         {
 889                 if (e->active)
 890                 {
 891                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
 892                         intframe = frame;
 893                         if (intframe < 0 || intframe >= e->endframe)
 894                         {
 895                                 memset(e, 0, sizeof(*e));
 896                                 continue;
 897                         }
 898
 899                         if (intframe != e->frame)
 900                         {
 901                                 e->frame = intframe;
 902                                 e->frame1time = e->frame2time;
 903                                 e->frame2time = cl.time;
 904                         }
 905
 906                         // if we're drawing effects, get a new temp entity
 907                         // (NewTempEntity adds it to the render entities list for us)
 908                         if (r_draweffects.integer && (ent = CL_NewTempEntity()))
 909                         {
 910                                 // interpolation stuff
 911                                 ent->render.frame1 = intframe;
 912                                 ent->render.frame2 = intframe + 1;
 913                                 if (ent->render.frame2 >= e->endframe)
 914                                         ent->render.frame2 = -1; // disappear
 915                                 ent->render.framelerp = frame - intframe;
 916                                 ent->render.frame1time = e->frame1time;
 917                                 ent->render.frame2time = e->frame2time;
 918
 919                                 // normal stuff
 920                                 ent->render.model = cl.model_precache[e->modelindex];
 921                                 ent->render.frame = ent->render.frame2;
 922                                 ent->render.colormap = -1; // no special coloring
 923                                 ent->render.alpha = 1;
 924
 925                                 Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, e->origin[0], e->origin[1], e->origin[2], 0, 0, 0, 1);
 926                                 Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
 927                                 CL_BoundingBoxForEntity(&ent->render);
 928                         }
 929                 }
 930         }
 931 }
 932
 933 void CL_RelinkBeams(void)
 934 {
 935         int i;
 936         beam_t *b;
 937         vec3_t dist, org;
 938         float d;
 939         entity_t *ent;
 940         float yaw, pitch;
 941         float forward;
 942
 943         for (i = 0, b = cl_beams;i < cl_max_beams;i++, b++)
 944         {
 945                 if (!b->model || b->endtime < cl.time)
 946                         continue;
 947
 948                 // if coming from the player, update the start position
 949                 //if (b->entity == cl.viewentity)
 950                 //      VectorCopy (cl_entities[cl.viewentity].render.origin, b->start);
 951                 if (cl_beams_relative.integer && b->entity && cl_entities[b->entity].state_current.active && b->relativestartvalid)
 952                 {
 953                         entity_state_t *p = &cl_entities[b->entity].state_previous;
 954                         //entity_state_t *c = &cl_entities[b->entity].state_current;
 955                         entity_render_t *r = &cl_entities[b->entity].render;
 956                         matrix4x4_t matrix, imatrix;
 957                         if (b->relativestartvalid == 2)
 958                         {
 959                                 // not really valid yet, we need to get the orientation now
 960                                 // (ParseBeam flagged this because it is received before
 961                                 //  entities are received, by now they have been received)
 962                                 // note: because players create lightning in their think
 963                                 // function (which occurs before movement), they actually
 964                                 // have some lag in it's location, so compare to the
 965                                 // previous player state, not the latest
 966                                 if (b->entity == cl.viewentity)
 967                                         Matrix4x4_CreateFromQuakeEntity(&matrix, p->origin[0], p->origin[1], p->origin[2] + 16, cl.viewangles[0], cl.viewangles[1], cl.viewangles[2], 1);
 968                                 else
 969                                         Matrix4x4_CreateFromQuakeEntity(&matrix, p->origin[0], p->origin[1], p->origin[2] + 16, p->angles[0], p->angles[1], p->angles[2], 1);
 970                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
 971                                 Matrix4x4_Transform(&imatrix, b->start, b->relativestart);
 972                                 Matrix4x4_Transform(&imatrix, b->end, b->relativeend);
 973                                 b->relativestartvalid = 1;
 974                         }
 975                         else
 976                         {
 977                                 if (b->entity == cl.viewentity)
 978                                         Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, cl.viewangles[0], cl.viewangles[1], cl.viewangles[2], 1);
 979                                 else
 980                                         Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, r->angles[0], r->angles[1], r->angles[2], 1);
 981                                 Matrix4x4_Transform(&matrix, b->relativestart, b->start);
 982                                 Matrix4x4_Transform(&matrix, b->relativeend, b->end);
 983                         }
 984                 }
 985
 986                 if (b->lightning)
 987                 {
 988                         if (cl_beams_lightatend.integer)
 989                                 CL_AllocDlight (NULL, b->end, 200, 0.3, 0.7, 1, 0, 0);
 990                         if (cl_beams_polygons.integer)
 991                                 continue;
 992                 }
 993
 994                 // calculate pitch and yaw
 995                 VectorSubtract (b->end, b->start, dist);
 996
 997                 if (dist[1] == 0 && dist[0] == 0)
 998                 {
 999                         yaw = 0;
1000                         if (dist[2] > 0)
1001                                 pitch = 90;
1002                         else
1003                                 pitch = 270;
1004                 }
1005                 else
1006                 {
1007                         yaw = (int) (atan2(dist[1], dist[0]) * 180 / M_PI);
1008                         if (yaw < 0)
1009                                 yaw += 360;
1010
1011                         forward = sqrt (dist[0]*dist[0] + dist[1]*dist[1]);
1012                         pitch = (int) (atan2(dist[2], forward) * 180 / M_PI);
1013                         if (pitch < 0)
1014                                 pitch += 360;
1015                 }
1016
1017                 // add new entities for the lightning
1018                 VectorCopy (b->start, org);
1019                 d = VectorNormalizeLength(dist);
1020                 while (d > 0)
1021                 {
1022                         ent = CL_NewTempEntity ();
1023                         if (!ent)
1024                                 return;
1025                         //VectorCopy (org, ent->render.origin);
1026                         ent->render.model = b->model;
1027                         ent->render.effects = EF_FULLBRIGHT;
1028                         //ent->render.angles[0] = pitch;
1029                         //ent->render.angles[1] = yaw;
1030                         //ent->render.angles[2] = rand()%360;
1031                         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, org[0], org[1], org[2], -pitch, yaw, lhrandom(0, 360), 1);
1032                         Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
1033                         CL_BoundingBoxForEntity(&ent->render);
1034                         VectorMA(org, 30, dist, org);
1035                         d -= 30;
1036                 }
1037         }
1038 }
1039
1040 void CL_LerpPlayer(float frac)
1041 {
1042         int i;
1043         float d;
1044
1045         cl.viewzoom = cl.viewzoomold + frac * (cl.viewzoomnew - cl.viewzoomold);
1046
1047         for (i = 0;i < 3;i++)
1048                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
1049
1050         if (cls.demoplayback)
1051         {
1052                 // interpolate the angles
1053                 for (i = 0;i < 3;i++)
1054                 {
1055                         d = cl.mviewangles[0][i] - cl.mviewangles[1][i];
1056                         if (d > 180)
1057                                 d -= 360;
1058                         else if (d < -180)
1059                                 d += 360;
1060                         cl.viewangles[i] = cl.mviewangles[1][i] + frac * d;
1061                 }
1062         }
1063 }
1064
1065 /*
1066 ===============
1067 CL_ReadFromServer
1068
1069 Read all incoming data from the server
1070 ===============
1071 */
1072 int CL_ReadFromServer(void)
1073 {
1074         CL_ReadDemoMessage();
1075
1076         r_refdef.numentities = 0;
1077         cl_num_entities = 0;
1078         cl_num_brushmodel_entities = 0;
1079
1080         if (cls.state == ca_connected && cls.signon == SIGNONS)
1081         {
1082                 // prepare for a new frame
1083                 CL_LerpPlayer(CL_LerpPoint());
1084                 CL_DecayLights();
1085                 CL_ClearTempEntities();
1086                 V_DriftPitch();
1087                 V_FadeViewFlashs();
1088
1089                 // relink network entities (note: this sets up the view!)
1090                 CL_RelinkNetworkEntities();
1091
1092                 // move particles
1093                 CL_MoveParticles();
1094
1095                 // link stuff
1096                 CL_RelinkWorld();
1097                 CL_RelinkStaticEntities();
1098                 CL_RelinkBeams();
1099                 CL_RelinkEffects();
1100
1101                 // run cgame code (which can add more entities)
1102                 CL_CGVM_Frame();
1103
1104                 // update view blend
1105                 V_CalcViewBlend();
1106         }
1107
1108         return 0;
1109 }
1110
1111 /*
1112 =================
1113 CL_SendCmd
1114 =================
1115 */
1116 void CL_SendCmd(usercmd_t *cmd)
1117 {
1118         if (cls.signon == SIGNONS)
1119                 CL_SendMove(cmd);
1120
1121         if (cls.demoplayback)
1122         {
1123                 SZ_Clear(&cls.message);
1124                 return;
1125         }
1126
1127         // send the reliable message (forwarded commands) if there is one
1128         if (cls.message.cursize && NetConn_CanSendMessage(cls.netcon))
1129         {
1130                 if (developer.integer)
1131                 {
1132                         Con_Printf("CL_SendCmd: sending reliable message:\n");
1133                         SZ_HexDumpToConsole(&cls.message);
1134                 }
1135                 if (NetConn_SendReliableMessage(cls.netcon, &cls.message) == -1)
1136                         Host_Error("CL_WriteToServer: lost server connection");
1137                 SZ_Clear(&cls.message);
1138         }
1139 }
1140
1141 // LordHavoc: pausedemo command
1142 static void CL_PauseDemo_f (void)
1143 {
1144         cls.demopaused = !cls.demopaused;
1145         if (cls.demopaused)
1146                 Con_Printf("Demo paused\n");
1147         else
1148                 Con_Printf("Demo unpaused\n");
1149 }
1150
1151 /*
1152 ======================
1153 CL_Fog_f
1154 ======================
1155 */
1156 static void CL_Fog_f (void)
1157 {
1158         if (Cmd_Argc () == 1)
1159         {
1160                 Con_Printf ("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
1161                 return;
1162         }
1163         fog_density = atof(Cmd_Argv(1));
1164         fog_red = atof(Cmd_Argv(2));
1165         fog_green = atof(Cmd_Argv(3));
1166         fog_blue = atof(Cmd_Argv(4));
1167 }
1168
1169 /*
1170 =================
1171 CL_Init
1172 =================
1173 */
1174 void CL_Init (void)
1175 {
1176         cl_entities_mempool = Mem_AllocPool("client entities");
1177         cl_refdef_mempool = Mem_AllocPool("refdef");
1178
1179         memset(&r_refdef, 0, sizeof(r_refdef));
1180         // max entities sent to renderer per frame
1181         r_refdef.maxentities = MAX_EDICTS + 256 + 512;
1182         r_refdef.entities = Mem_Alloc(cl_refdef_mempool, sizeof(entity_render_t *) * r_refdef.maxentities);
1183         // 256k drawqueue buffer
1184         r_refdef.maxdrawqueuesize = 256 * 1024;
1185         r_refdef.drawqueue = Mem_Alloc(cl_refdef_mempool, r_refdef.maxdrawqueuesize);
1186
1187         SZ_Alloc (&cls.message, 1024, "cls.message");
1188
1189         CL_InitInput ();
1190         CL_InitTEnts ();
1191
1192 //
1193 // register our commands
1194 //
1195         Cvar_RegisterVariable (&cl_upspeed);
1196         Cvar_RegisterVariable (&cl_forwardspeed);
1197         Cvar_RegisterVariable (&cl_backspeed);
1198         Cvar_RegisterVariable (&cl_sidespeed);
1199         Cvar_RegisterVariable (&cl_movespeedkey);
1200         Cvar_RegisterVariable (&cl_yawspeed);
1201         Cvar_RegisterVariable (&cl_pitchspeed);
1202         Cvar_RegisterVariable (&cl_anglespeedkey);
1203         Cvar_RegisterVariable (&cl_shownet);
1204         Cvar_RegisterVariable (&cl_nolerp);
1205         Cvar_RegisterVariable (&lookspring);
1206         Cvar_RegisterVariable (&lookstrafe);
1207         Cvar_RegisterVariable (&sensitivity);
1208         Cvar_RegisterVariable (&freelook);
1209
1210         Cvar_RegisterVariable (&m_pitch);
1211         Cvar_RegisterVariable (&m_yaw);
1212         Cvar_RegisterVariable (&m_forward);
1213         Cvar_RegisterVariable (&m_side);
1214
1215         Cvar_RegisterVariable (&cl_itembobspeed);
1216         Cvar_RegisterVariable (&cl_itembobheight);
1217
1218         Cmd_AddCommand ("entities", CL_PrintEntities_f);
1219         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
1220         Cmd_AddCommand ("record", CL_Record_f);
1221         Cmd_AddCommand ("stop", CL_Stop_f);
1222         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
1223         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
1224
1225         Cmd_AddCommand ("fog", CL_Fog_f);
1226
1227         // LordHavoc: added pausedemo
1228         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
1229
1230         Cvar_RegisterVariable(&r_draweffects);
1231         Cvar_RegisterVariable(&cl_explosions);
1232         Cvar_RegisterVariable(&cl_stainmaps);
1233         Cvar_RegisterVariable(&cl_beams_polygons);
1234         Cvar_RegisterVariable(&cl_beams_relative);
1235         Cvar_RegisterVariable(&cl_beams_lightatend);
1236         Cvar_RegisterVariable(&cl_noplayershadow);
1237
1238         CL_Parse_Init();
1239         CL_Particles_Init();
1240         CL_Screen_Init();
1241         CL_CGVM_Init();
1242
1243         CL_Video_Init();
1244 }
1245