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 = 256;
 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         Con_DPrintf("CL_Disconnect\n");
 163
 164 // stop sounds (especially looping!)
 165         S_StopAllSounds (true);
 166
 167         // clear contents blends
 168         cl.cshifts[0].percent = 0;
 169         cl.cshifts[1].percent = 0;
 170         cl.cshifts[2].percent = 0;
 171         cl.cshifts[3].percent = 0;
 172
 173         cl.worldmodel = NULL;
 174
 175         if (cls.demoplayback)
 176                 CL_StopPlayback();
 177         else if (cls.netcon)
 178         {
 179                 if (cls.demorecording)
 180                         CL_Stop_f();
 181
 182                 Con_DPrint("Sending clc_disconnect\n");
 183                 SZ_Clear(&cls.message);
 184                 MSG_WriteByte(&cls.message, clc_disconnect);
 185                 NetConn_SendUnreliableMessage(cls.netcon, &cls.message);
 186                 SZ_Clear(&cls.message);
 187                 NetConn_Close(cls.netcon);
 188                 cls.netcon = NULL;
 189         }
 190         cls.state = ca_disconnected;
 191
 192         cls.demoplayback = cls.timedemo = false;
 193         cls.signon = 0;
 194 }
 195
 196 void CL_Disconnect_f(void)
 197 {
 198         CL_Disconnect ();
 199         if (sv.active)
 200                 Host_ShutdownServer (false);
 201 }
 202
 203
 204
 205
 206 /*
 207 =====================
 208 CL_EstablishConnection
 209
 210 Host should be either "local" or a net address
 211 =====================
 212 */
 213 void CL_EstablishConnection(const char *host)
 214 {
 215         if (cls.state == ca_dedicated)
 216                 return;
 217
 218         // clear menu's connect error message
 219         m_return_reason[0] = 0;
 220         cls.demonum = -1;
 221
 222         // stop demo loop in case this fails
 223         CL_Disconnect();
 224         NetConn_ClientFrame();
 225         NetConn_ServerFrame();
 226
 227         if (LHNETADDRESS_FromString(&cls.connect_address, host, 26000) && (cls.connect_mysocket = NetConn_ChooseClientSocketForAddress(&cls.connect_address)))
 228         {
 229                 cls.connect_trying = true;
 230                 cls.connect_remainingtries = 3;
 231                 cls.connect_nextsendtime = 0;
 232                 if (sv.active)
 233                 {
 234                         NetConn_ClientFrame();
 235                         NetConn_ServerFrame();
 236                         NetConn_ClientFrame();
 237                         NetConn_ServerFrame();
 238                         NetConn_ClientFrame();
 239                         NetConn_ServerFrame();
 240                         NetConn_ClientFrame();
 241                         NetConn_ServerFrame();
 242                 }
 243         }
 244         else
 245         {
 246                 Con_Print("Unable to find a suitable network socket to connect to server.\n");
 247                 strcpy(m_return_reason, "No network");
 248         }
 249 }
 250
 251 /*
 252 ==============
 253 CL_PrintEntities_f
 254 ==============
 255 */
 256 static void CL_PrintEntities_f(void)
 257 {
 258         entity_t *ent;
 259         int i, j;
 260         char name[32];
 261
 262         for (i = 0, ent = cl_entities;i < cl_num_entities;i++, ent++)
 263         {
 264                 if (!ent->state_current.active)
 265                         continue;
 266
 267                 if (ent->render.model)
 268                         strlcpy (name, ent->render.model->name, 25);
 269                 else
 270                         strcpy(name, "--no model--");
 271                 for (j = strlen(name);j < 25;j++)
 272                         name[j] = ' ';
 273                 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);
 274         }
 275 }
 276
 277 //static const vec3_t nomodelmins = {-16, -16, -16};
 278 //static const vec3_t nomodelmaxs = {16, 16, 16};
 279 void CL_BoundingBoxForEntity(entity_render_t *ent)
 280 {
 281         if (ent->model)
 282         {
 283                 //if (ent->angles[0] || ent->angles[2])
 284                 if (ent->matrix.m[2][0] != 0 || ent->matrix.m[2][1] != 0)
 285                 {
 286                         // pitch or roll
 287                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->rotatedmins[0];
 288                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->rotatedmins[1];
 289                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->rotatedmins[2];
 290                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->rotatedmaxs[0];
 291                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->rotatedmaxs[1];
 292                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->rotatedmaxs[2];
 293                         //VectorAdd(ent->origin, ent->model->rotatedmins, ent->mins);
 294                         //VectorAdd(ent->origin, ent->model->rotatedmaxs, ent->maxs);
 295                 }
 296                 //else if (ent->angles[1])
 297                 else if (ent->matrix.m[0][1] != 0 || ent->matrix.m[1][0] != 0)
 298                 {
 299                         // yaw
 300                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->yawmins[0];
 301                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->yawmins[1];
 302                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->yawmins[2];
 303                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->yawmaxs[0];
 304                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->yawmaxs[1];
 305                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->yawmaxs[2];
 306                         //VectorAdd(ent->origin, ent->model->yawmins, ent->mins);
 307                         //VectorAdd(ent->origin, ent->model->yawmaxs, ent->maxs);
 308                 }
 309                 else
 310                 {
 311                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->normalmins[0];
 312                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->normalmins[1];
 313                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->normalmins[2];
 314                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->normalmaxs[0];
 315                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->normalmaxs[1];
 316                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->normalmaxs[2];
 317                         //VectorAdd(ent->origin, ent->model->normalmins, ent->mins);
 318                         //VectorAdd(ent->origin, ent->model->normalmaxs, ent->maxs);
 319                 }
 320         }
 321         else
 322         {
 323                 ent->mins[0] = ent->matrix.m[0][3] - 16;
 324                 ent->mins[1] = ent->matrix.m[1][3] - 16;
 325                 ent->mins[2] = ent->matrix.m[2][3] - 16;
 326                 ent->maxs[0] = ent->matrix.m[0][3] + 16;
 327                 ent->maxs[1] = ent->matrix.m[1][3] + 16;
 328                 ent->maxs[2] = ent->matrix.m[2][3] + 16;
 329                 //VectorAdd(ent->origin, nomodelmins, ent->mins);
 330                 //VectorAdd(ent->origin, nomodelmaxs, ent->maxs);
 331         }
 332 }
 333
 334 /*
 335 ===============
 336 CL_LerpPoint
 337
 338 Determines the fraction between the last two messages that the objects
 339 should be put at.
 340 ===============
 341 */
 342 static float CL_LerpPoint(void)
 343 {
 344         float f;
 345
 346         // dropped packet, or start of demo
 347         if (cl.mtime[1] < cl.mtime[0] - 0.1)
 348                 cl.mtime[1] = cl.mtime[0] - 0.1;
 349
 350         cl.time = bound(cl.mtime[1], cl.time, cl.mtime[0]);
 351
 352         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 353         f = cl.mtime[0] - cl.mtime[1];
 354         if (!f || cl_nolerp.integer || cls.timedemo || cl.islocalgame)
 355         {
 356                 cl.time = cl.mtime[0];
 357                 return 1;
 358         }
 359
 360         f = (cl.time - cl.mtime[1]) / f;
 361         return bound(0, f, 1);
 362 }
 363
 364 void CL_ClearTempEntities (void)
 365 {
 366         cl_num_temp_entities = 0;
 367 }
 368
 369 entity_t *CL_NewTempEntity(void)
 370 {
 371         entity_t *ent;
 372
 373         if (r_refdef.numentities >= r_refdef.maxentities)
 374                 return NULL;
 375         if (cl_num_temp_entities >= cl_max_temp_entities)
 376                 return NULL;
 377         ent = &cl_temp_entities[cl_num_temp_entities++];
 378         memset (ent, 0, sizeof(*ent));
 379         r_refdef.entities[r_refdef.numentities++] = &ent->render;
 380
 381         ent->render.colormap = -1; // no special coloring
 382         ent->render.scale = 1;
 383         ent->render.alpha = 1;
 384         return ent;
 385 }
 386
 387 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
 388 {
 389         int i;
 390         cl_effect_t *e;
 391         if (!modelindex) // sanity check
 392                 return;
 393         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
 394         {
 395                 if (e->active)
 396                         continue;
 397                 e->active = true;
 398                 VectorCopy(org, e->origin);
 399                 e->modelindex = modelindex;
 400                 e->starttime = cl.time;
 401                 e->startframe = startframe;
 402                 e->endframe = startframe + framecount;
 403                 e->framerate = framerate;
 404
 405                 e->frame = 0;
 406                 e->frame1time = cl.time;
 407                 e->frame2time = cl.time;
 408                 break;
 409         }
 410 }
 411
 412 void CL_AllocDlight(entity_render_t *ent, matrix4x4_t *matrix, float radius, float red, float green, float blue, float decay, float lifetime, int cubemapnum, int style, int shadowenable, vec_t corona)
 413 {
 414         int i;
 415         dlight_t *dl;
 416
 417         /*
 418 // first look for an exact key match
 419         if (ent)
 420         {
 421                 dl = cl_dlights;
 422                 for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 423                         if (dl->ent == ent)
 424                                 goto dlightsetup;
 425         }
 426         */
 427
 428 // then look for anything else
 429         dl = cl_dlights;
 430         for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 431                 if (!dl->radius)
 432                         goto dlightsetup;
 433
 434         // unable to find one
 435         return;
 436
 437 dlightsetup:
 438         //Con_Printf("dlight %i : %f %f %f : %f %f %f\n", i, org[0], org[1], org[2], red * radius, green * radius, blue * radius);
 439         memset (dl, 0, sizeof(*dl));
 440         dl->matrix = *matrix;
 441         dl->ent = ent;
 442         dl->origin[0] = dl->matrix.m[0][3];
 443         dl->origin[1] = dl->matrix.m[1][3];
 444         dl->origin[2] = dl->matrix.m[2][3];
 445         CL_FindNonSolidLocation(dl->origin, dl->origin, 6);
 446         dl->matrix.m[0][3] = dl->origin[0];
 447         dl->matrix.m[1][3] = dl->origin[1];
 448         dl->matrix.m[2][3] = dl->origin[2];
 449         dl->radius = radius;
 450         dl->color[0] = red;
 451         dl->color[1] = green;
 452         dl->color[2] = blue;
 453         dl->decay = decay;
 454         if (lifetime)
 455                 dl->die = cl.time + lifetime;
 456         else
 457                 dl->die = 0;
 458         dl->cubemapnum = cubemapnum;
 459         dl->style = style;
 460         dl->shadow = shadowenable;
 461         dl->corona = corona;
 462 }
 463
 464 void CL_DecayLights(void)
 465 {
 466         int i;
 467         dlight_t *dl;
 468         float time;
 469
 470         time = cl.time - cl.oldtime;
 471         for (i = 0, dl = cl_dlights;i < MAX_DLIGHTS;i++, dl++)
 472                 if (dl->radius)
 473                         dl->radius = (cl.time < dl->die) ? max(0, dl->radius - time * dl->decay) : 0;
 474 }
 475
 476 #define MAXVIEWMODELS 32
 477 entity_t *viewmodels[MAXVIEWMODELS];
 478 int numviewmodels;
 479
 480 matrix4x4_t viewmodelmatrix;
 481
 482 static int entitylinkframenumber;
 483
 484 static const vec3_t muzzleflashorigin = {18, 0, 0};
 485
 486 extern void V_DriftPitch(void);
 487 extern void V_FadeViewFlashs(void);
 488 extern void V_CalcViewBlend(void);
 489
 490 extern void V_CalcRefdef(void);
 491 // note this is a recursive function, but it can never get in a runaway loop (because of the delayedlink flags)
 492 void CL_LinkNetworkEntity(entity_t *e)
 493 {
 494         matrix4x4_t *matrix, blendmatrix, tempmatrix, matrix2, dlightmatrix;
 495         int j, k, l, trailtype, temp;
 496         float origin[3], angles[3], delta[3], lerp, dlightcolor[3], dlightradius, mins[3], maxs[3], v[3], v2[3], d;
 497         entity_t *t;
 498         model_t *model;
 499         //entity_persistent_t *p = &e->persistent;
 500         //entity_render_t *r = &e->render;
 501         if (e->persistent.linkframe != entitylinkframenumber)
 502         {
 503                 e->persistent.linkframe = entitylinkframenumber;
 504                 // skip inactive entities and world
 505                 if (!e->state_current.active || e == cl_entities)
 506                         return;
 507                 if (e->render.flags & RENDER_VIEWMODEL)
 508                 {
 509                         if (!r_drawviewmodel.integer || chase_active.integer || envmap)
 510                                 return;
 511                         if (cl.viewentity)
 512                                 CL_LinkNetworkEntity(cl_entities + cl.viewentity);
 513                         matrix = &viewmodelmatrix;
 514                         if (e == &cl.viewent && cl.viewentity >= 0 && cl.viewentity < MAX_EDICTS && cl_entities[cl.viewentity].state_current.active)
 515                         {
 516                                 e->state_current.alpha = cl_entities[cl.viewentity].state_current.alpha;
 517                                 e->state_current.effects = EF_NOSHADOW | (cl_entities[cl.viewentity].state_current.effects & (EF_ADDITIVE | EF_REFLECTIVE | EF_FULLBRIGHT));
 518                         }
 519                 }
 520                 else
 521                 {
 522                         t = cl_entities + e->state_current.tagentity;
 523                         if (!t->state_current.active)
 524                                 return;
 525                         // note: this can link to world
 526                         CL_LinkNetworkEntity(t);
 527                         // make relative to the entity
 528                         matrix = &t->render.matrix;
 529                         // if a valid tagindex is used, make it relative to that tag instead
 530                         if (e->state_current.tagentity && e->state_current.tagindex >= 1 && (model = t->render.model) && e->state_current.tagindex <= t->render.model->alias.aliasnum_tags)
 531                         {
 532                                 // blend the matrices
 533                                 memset(&blendmatrix, 0, sizeof(blendmatrix));
 534                                 for (j = 0;j < 4 && t->render.frameblend[j].lerp > 0;j++)
 535                                 {
 536                                         matrix = &t->render.model->alias.aliasdata_tags[t->render.frameblend[j].frame * t->render.model->alias.aliasnum_tags + (e->state_current.tagindex - 1)].matrix;
 537                                         d = t->render.frameblend[j].lerp;
 538                                         for (l = 0;l < 4;l++)
 539                                                 for (k = 0;k < 4;k++)
 540                                                         blendmatrix.m[l][k] += d * matrix->m[l][k];
 541                                 }
 542                                 // concat the tag matrices onto the entity matrix
 543                                 Matrix4x4_Concat(&tempmatrix, &t->render.matrix, &blendmatrix);
 544                                 // use the constructed tag matrix
 545                                 matrix = &tempmatrix;
 546                         }
 547                 }
 548                 e->render.alpha = e->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 549                 e->render.scale = e->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 550                 e->render.flags = e->state_current.flags;
 551                 if (e - cl_entities == cl.viewentity)
 552                         e->render.flags |= RENDER_EXTERIORMODEL;
 553                 e->render.effects = e->state_current.effects;
 554                 if (e->state_current.flags & RENDER_COLORMAPPED)
 555                         e->render.colormap = e->state_current.colormap;
 556                 else if (cl.scores != NULL && e->state_current.colormap)
 557                         e->render.colormap = cl.scores[e->state_current.colormap - 1].colors; // color it
 558                 else
 559                         e->render.colormap = -1; // no special coloring
 560                 e->render.skinnum = e->state_current.skin;
 561                 // set up the render matrix
 562                 if (e->state_previous.active && e->state_current.modelindex == e->state_previous.modelindex)
 563                 {
 564                         // movement lerp
 565                         if (e->persistent.lerpdeltatime > 0 && (lerp = (cl.time - e->persistent.lerpstarttime) / e->persistent.lerpdeltatime) < 1)
 566                         {
 567                                 // interpolate the origin and angles
 568                                 VectorLerp(e->persistent.oldorigin, lerp, e->persistent.neworigin, origin);
 569                                 VectorSubtract(e->persistent.newangles, e->persistent.oldangles, delta);
 570                                 if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
 571                                 if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
 572                                 if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
 573                                 VectorMA(e->persistent.oldangles, lerp, delta, angles);
 574                         }
 575                         else
 576                         {
 577                                 // no interpolation
 578                                 VectorCopy(e->persistent.neworigin, origin);
 579                                 VectorCopy(e->persistent.newangles, angles);
 580                         }
 581                         // animation lerp
 582                         if (e->render.frame2 == e->state_current.frame)
 583                         {
 584                                 // update frame lerp fraction
 585                                 e->render.framelerp = 1;
 586                                 if (e->render.frame2time > e->render.frame1time)
 587                                 {
 588                                         e->render.framelerp = (cl.time - e->render.frame2time) / (e->render.frame2time - e->render.frame1time);
 589                                         e->render.framelerp = bound(0, e->render.framelerp, 1);
 590                                 }
 591                         }
 592                         else
 593                         {
 594                                 // begin a new frame lerp
 595                                 e->render.frame1 = e->render.frame2;
 596                                 e->render.frame1time = e->render.frame2time;
 597                                 e->render.frame = e->render.frame2 = e->state_current.frame;
 598                                 e->render.frame2time = cl.time;
 599                                 e->render.framelerp = 0;
 600                                 // make sure frame lerp won't last longer than 100ms
 601                                 // (this mainly helps with models that use framegroups and
 602                                 // switch between them infrequently)
 603                                 e->render.frame1time = max(e->render.frame1time, e->render.frame2time - 0.1f);
 604                         }
 605                 }
 606                 else
 607                 {
 608                         // no interpolation
 609                         VectorCopy(e->persistent.neworigin, origin);
 610                         VectorCopy(e->persistent.newangles, angles);
 611                         e->render.frame = e->render.frame1 = e->render.frame2 = e->state_current.frame;
 612                         e->render.frame1time = e->render.frame2time = cl.time;
 613                         e->render.framelerp = 1;
 614                 }
 615
 616                 e->render.model = cl.model_precache[e->state_current.modelindex];
 617                 if (e->render.model)
 618                 {
 619                         Mod_CheckLoaded(e->render.model);
 620                         // if model is alias or this is a tenebrae-like dlight, reverse pitch direction
 621                         if (e->render.model->type == mod_alias || (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC))
 622                                 angles[0] = -angles[0];
 623                         if ((e->render.model->flags & EF_ROTATE) && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
 624                         {
 625                                 angles[1] = ANGLEMOD(100*cl.time);
 626                                 if (cl_itembobheight.value)
 627                                         origin[2] += (cos(cl.time * cl_itembobspeed.value * (2.0 * M_PI)) + 1.0) * 0.5 * cl_itembobheight.value;
 628                         }
 629                 }
 630
 631                 R_LerpAnimation(&e->render);
 632
 633                 // FIXME: e->render.scale should go away
 634                 Matrix4x4_CreateFromQuakeEntity(&matrix2, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
 635                 // concat the matrices to make the entity relative to its tag
 636                 Matrix4x4_Concat(&e->render.matrix, matrix, &matrix2);
 637                 // make the other useful stuff
 638                 Matrix4x4_Invert_Simple(&e->render.inversematrix, &e->render.matrix);
 639                 CL_BoundingBoxForEntity(&e->render);
 640
 641                 // handle effects now that we know where this entity is in the world...
 642                 origin[0] = e->render.matrix.m[0][3];
 643                 origin[1] = e->render.matrix.m[1][3];
 644                 origin[2] = e->render.matrix.m[2][3];
 645                 trailtype = -1;
 646                 dlightradius = 0;
 647                 dlightcolor[0] = 0;
 648                 dlightcolor[1] = 0;
 649                 dlightcolor[2] = 0;
 650                 // LordHavoc: if the entity has no effects, don't check each
 651                 if (e->render.effects)
 652                 {
 653                         if (e->render.effects & EF_BRIGHTFIELD)
 654                         {
 655                                 if (gamemode == GAME_NEXUIZ)
 656                                 {
 657                                         dlightradius = max(dlightradius, 200);
 658                                         dlightcolor[0] += 0.75f;
 659                                         dlightcolor[1] += 1.50f;
 660                                         dlightcolor[2] += 3.00f;
 661                                         trailtype = 8;
 662                                 }
 663                                 else
 664                                         CL_EntityParticles(e);
 665                         }
 666                         if (e->render.effects & EF_MUZZLEFLASH)
 667                                 e->persistent.muzzleflash = 1.0f;
 668                         if (e->render.effects & EF_DIMLIGHT)
 669                         {
 670                                 dlightradius = max(dlightradius, 200);
 671                                 dlightcolor[0] += 1.50f;
 672                                 dlightcolor[1] += 1.50f;
 673                                 dlightcolor[2] += 1.50f;
 674                         }
 675                         if (e->render.effects & EF_BRIGHTLIGHT)
 676                         {
 677                                 dlightradius = max(dlightradius, 400);
 678                                 dlightcolor[0] += 3.00f;
 679                                 dlightcolor[1] += 3.00f;
 680                                 dlightcolor[2] += 3.00f;
 681                         }
 682                         // LordHavoc: more effects
 683                         if (e->render.effects & EF_RED) // red
 684                         {
 685                                 dlightradius = max(dlightradius, 200);
 686                                 dlightcolor[0] += 1.50f;
 687                                 dlightcolor[1] += 0.15f;
 688                                 dlightcolor[2] += 0.15f;
 689                         }
 690                         if (e->render.effects & EF_BLUE) // blue
 691                         {
 692                                 dlightradius = max(dlightradius, 200);
 693                                 dlightcolor[0] += 0.15f;
 694                                 dlightcolor[1] += 0.15f;
 695                                 dlightcolor[2] += 1.50f;
 696                         }
 697                         if (e->render.effects & EF_FLAME)
 698                         {
 699                                 mins[0] = origin[0] - 16.0f;
 700                                 mins[1] = origin[1] - 16.0f;
 701                                 mins[2] = origin[2] - 16.0f;
 702                                 maxs[0] = origin[0] + 16.0f;
 703                                 maxs[1] = origin[1] + 16.0f;
 704                                 maxs[2] = origin[2] + 16.0f;
 705                                 // how many flames to make
 706                                 temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
 707                                 CL_FlameCube(mins, maxs, temp);
 708                                 d = lhrandom(0.75f, 1);
 709                                 dlightradius = max(dlightradius, 200);
 710                                 dlightcolor[0] += d * 2.0f;
 711                                 dlightcolor[1] += d * 1.5f;
 712                                 dlightcolor[2] += d * 0.5f;
 713                         }
 714                         if (e->render.effects & EF_STARDUST)
 715                         {
 716                                 mins[0] = origin[0] - 16.0f;
 717                                 mins[1] = origin[1] - 16.0f;
 718                                 mins[2] = origin[2] - 16.0f;
 719                                 maxs[0] = origin[0] + 16.0f;
 720                                 maxs[1] = origin[1] + 16.0f;
 721                                 maxs[2] = origin[2] + 16.0f;
 722                                 // how many particles to make
 723                                 temp = (int) (cl.time * 200) - (int) (cl.oldtime * 200);
 724                                 CL_Stardust(mins, maxs, temp);
 725                                 dlightradius = max(dlightradius, 200);
 726                                 dlightcolor[0] += 1.0f;
 727                                 dlightcolor[1] += 0.7f;
 728                                 dlightcolor[2] += 0.3f;
 729                         }
 730                 }
 731                 // muzzleflash fades over time, and is offset a bit
 732                 if (e->persistent.muzzleflash > 0)
 733                 {
 734                         Matrix4x4_Transform(&e->render.matrix, muzzleflashorigin, v2);
 735                         CL_TraceLine(origin, v2, v, NULL, true, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_SKY);
 736                         tempmatrix = e->render.matrix;
 737                         tempmatrix.m[0][3] = v[0];
 738                         tempmatrix.m[1][3] = v[1];
 739                         tempmatrix.m[2][3] = v[2];
 740                         CL_AllocDlight(NULL, &tempmatrix, 100, e->persistent.muzzleflash, e->persistent.muzzleflash, e->persistent.muzzleflash, 0, 0, 0, 0, true, 0);
 741                         e->persistent.muzzleflash -= cl.frametime * 10;
 742                 }
 743                 // LordHavoc: if the model has no flags, don't check each
 744                 if (e->render.model && e->render.model->flags && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
 745                 {
 746                         if (e->render.model->flags & EF_GIB)
 747                                 trailtype = 2;
 748                         else if (e->render.model->flags & EF_ZOMGIB)
 749                                 trailtype = 4;
 750                         else if (e->render.model->flags & EF_TRACER)
 751                         {
 752                                 trailtype = 3;
 753                                 dlightradius = max(dlightradius, 100);
 754                                 dlightcolor[0] += 0.12f;
 755                                 dlightcolor[1] += 0.50f;
 756                                 dlightcolor[2] += 0.12f;
 757                         }
 758                         else if (e->render.model->flags & EF_TRACER2)
 759                         {
 760                                 trailtype = 5;
 761                                 dlightradius = max(dlightradius, 100);
 762                                 dlightcolor[0] += 0.50f;
 763                                 dlightcolor[1] += 0.30f;
 764                                 dlightcolor[2] += 0.10f;
 765                         }
 766                         else if (e->render.model->flags & EF_ROCKET)
 767                         {
 768                                 trailtype = 0;
 769                                 dlightradius = max(dlightradius, 200);
 770                                 dlightcolor[0] += 1.50f;
 771                                 dlightcolor[1] += 1.20f;
 772                                 dlightcolor[2] += 0.60f;
 773                         }
 774                         else if (e->render.model->flags & EF_GRENADE)
 775                         {
 776                                 // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
 777                                 trailtype = e->render.alpha == -1 ? 7 : 1;
 778                         }
 779                         else if (e->render.model->flags & EF_TRACER3)
 780                         {
 781                                 trailtype = 6;
 782                                 dlightradius = max(dlightradius, 200);
 783                                 dlightcolor[0] += 0.60f;
 784                                 dlightcolor[1] += 0.25f;
 785                                 dlightcolor[2] += 0.50f;
 786                         }
 787                 }
 788                 // LordHavoc: customizable glow
 789                 if (e->state_current.glowsize)
 790                 {
 791                         // * 4 for the expansion from 0-255 to 0-1023 range,
 792                         // / 255 to scale down byte colors
 793                         dlightradius = max(dlightradius, e->state_current.glowsize * 4);
 794                         VectorMA(dlightcolor, (1.0f / 255.0f), (qbyte *)&palette_complete[e->state_current.glowcolor], dlightcolor);
 795                 }
 796                 if (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC)
 797                 {
 798                         if (e->state_current.light[3])
 799                                 dlightradius = max(dlightradius, e->state_current.light[3]);
 800                         else
 801                                 dlightradius = max(dlightradius, 350);
 802                         if (VectorLength2(dlightcolor) == 0)
 803                                 (dlightcolor[0] += 1, dlightcolor[1] += 1, dlightcolor[2] += 1);
 804                         else
 805                                 VectorMA(dlightcolor, (1.0f/256.0f), e->state_current.light, dlightcolor);
 806                 }
 807                 // make the dlight
 808                 if (dlightradius > 0 && (dlightcolor[0] || dlightcolor[1] || dlightcolor[2]) && !(e->render.flags & RENDER_VIEWMODEL))
 809                 {
 810                         dlightmatrix = e->render.matrix;
 811                         // hack to make glowing player light shine on their gun
 812                         //if ((e - cl_entities) == cl.viewentity/* && !chase_active.integer*/)
 813                         //      dlightmatrix.m[2][3] += 30;
 814                         CL_AllocDlight(&e->render, &dlightmatrix, dlightradius, dlightcolor[0], dlightcolor[1], dlightcolor[2], 0, 0, e->state_current.skin >= 16 ? e->state_current.skin : 0, e->state_current.lightstyle, !(e->state_current.lightpflags & PFLAGS_NOSHADOW), (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC) ? ((e->state_current.lightpflags & PFLAGS_CORONA) != 0) : 1);
 815                 }
 816                 // trails need the previous frame
 817                 if (e->state_previous.active && e->state_previous.modelindex == e->state_current.modelindex)
 818                 {
 819                         if (e->render.flags & RENDER_GLOWTRAIL)
 820                                 CL_RocketTrail2(e->persistent.trail_origin, origin, e->state_current.glowcolor, e);
 821                         else if (trailtype >= 0)
 822                                 CL_RocketTrail(e->persistent.trail_origin, origin, trailtype, e);
 823                 }
 824                 VectorCopy(origin, e->persistent.trail_origin);
 825                 // note: the cl.viewentity and intermission check is to hide player
 826                 // shadow during intermission and during the Nehahra movie and
 827                 // Nehahra cinematics
 828                 if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE))
 829                  && (e->render.alpha == 1)
 830                  && !(e->render.flags & RENDER_VIEWMODEL)
 831                  && ((e - cl_entities) != cl.viewentity || (!cl.intermission && cl.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 832                         e->render.flags |= RENDER_SHADOW;
 833                 if (!(e->render.effects & EF_FULLBRIGHT))
 834                         e->render.flags |= RENDER_LIGHT;
 835                 // as soon as player is known we can call V_CalcRefDef
 836                 if ((e - cl_entities) == cl.viewentity)
 837                         V_CalcRefdef();
 838                 if (e->render.model && e->render.model->name[0] == '*' && e->render.model->TraceBox)
 839                         cl_brushmodel_entities[cl_num_brushmodel_entities++] = &e->render;
 840                 if (gamemode == GAME_TENEBRAE && e->render.model && e->render.model->type == mod_sprite)
 841                         e->render.effects |= EF_ADDITIVE;
 842                 // don't show entities with no modelindex (note: this still shows
 843                 // entities which have a modelindex that resolved to a NULL model)
 844                 if (e->render.model && !(e->render.effects & EF_NODRAW) && r_refdef.numentities < r_refdef.maxentities)
 845                         r_refdef.entities[r_refdef.numentities++] = &e->render;
 846                 if (cl_num_entities < e->state_current.number + 1)
 847                         cl_num_entities = e->state_current.number + 1;
 848                 //if (cl.viewentity && e - cl_entities == cl.viewentity)
 849                 //      Matrix4x4_Print(&e->render.matrix);
 850         }
 851 }
 852
 853 void CL_RelinkWorld(void)
 854 {
 855         entity_t *ent = &cl_entities[0];
 856         if (cl_num_entities < 1)
 857                 cl_num_entities = 1;
 858         cl_brushmodel_entities[cl_num_brushmodel_entities++] = &ent->render;
 859         // FIXME: this should be done at load
 860         Matrix4x4_CreateIdentity(&ent->render.matrix);
 861         Matrix4x4_CreateIdentity(&ent->render.inversematrix);
 862         CL_BoundingBoxForEntity(&ent->render);
 863 }
 864
 865 static void CL_RelinkStaticEntities(void)
 866 {
 867         int i;
 868         for (i = 0;i < cl_num_static_entities && r_refdef.numentities < r_refdef.maxentities;i++)
 869         {
 870                 Mod_CheckLoaded(cl_static_entities[i].render.model);
 871                 r_refdef.entities[r_refdef.numentities++] = &cl_static_entities[i].render;
 872         }
 873 }
 874
 875 /*
 876 ===============
 877 CL_RelinkEntities
 878 ===============
 879 */
 880 static void CL_RelinkNetworkEntities(void)
 881 {
 882         entity_t *ent;
 883         int i;
 884
 885         ent = &cl.viewent;
 886         ent->state_previous = ent->state_current;
 887         ClearStateToDefault(&ent->state_current);
 888         ent->state_current.time = cl.time;
 889         ent->state_current.number = -1;
 890         ent->state_current.active = true;
 891         ent->state_current.modelindex = cl.stats[STAT_WEAPON];
 892         ent->state_current.frame = cl.stats[STAT_WEAPONFRAME];
 893         ent->state_current.flags = RENDER_VIEWMODEL;
 894         if (cl.stats[STAT_HEALTH] <= 0 || cl.intermission)
 895                 ent->state_current.modelindex = 0;
 896         else if (cl.items & IT_INVISIBILITY)
 897         {
 898                 if (gamemode == GAME_TRANSFUSION)
 899                         ent->state_current.alpha = 128;
 900                 else
 901                         ent->state_current.modelindex = 0;
 902         }
 903
 904         // start on the entity after the world
 905         entitylinkframenumber++;
 906         for (i = 1, ent = cl_entities + 1;i < MAX_EDICTS;i++, ent++)
 907         {
 908                 if (cl_entities_active[i])
 909                 {
 910                         if (ent->state_current.active)
 911                                 CL_LinkNetworkEntity(ent);
 912                         else
 913                                 cl_entities_active[i] = false;
 914                 }
 915         }
 916         CL_LinkNetworkEntity(&cl.viewent);
 917 }
 918
 919 static void CL_RelinkEffects(void)
 920 {
 921         int i, intframe;
 922         cl_effect_t *e;
 923         entity_t *ent;
 924         float frame;
 925
 926         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
 927         {
 928                 if (e->active)
 929                 {
 930                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
 931                         intframe = frame;
 932                         if (intframe < 0 || intframe >= e->endframe)
 933                         {
 934                                 memset(e, 0, sizeof(*e));
 935                                 continue;
 936                         }
 937
 938                         if (intframe != e->frame)
 939                         {
 940                                 e->frame = intframe;
 941                                 e->frame1time = e->frame2time;
 942                                 e->frame2time = cl.time;
 943                         }
 944
 945                         // if we're drawing effects, get a new temp entity
 946                         // (NewTempEntity adds it to the render entities list for us)
 947                         if (r_draweffects.integer && (ent = CL_NewTempEntity()))
 948                         {
 949                                 // interpolation stuff
 950                                 ent->render.frame1 = intframe;
 951                                 ent->render.frame2 = intframe + 1;
 952                                 if (ent->render.frame2 >= e->endframe)
 953                                         ent->render.frame2 = -1; // disappear
 954                                 ent->render.framelerp = frame - intframe;
 955                                 ent->render.frame1time = e->frame1time;
 956                                 ent->render.frame2time = e->frame2time;
 957
 958                                 // normal stuff
 959                                 ent->render.model = cl.model_precache[e->modelindex];
 960                                 ent->render.frame = ent->render.frame2;
 961                                 ent->render.colormap = -1; // no special coloring
 962                                 ent->render.alpha = 1;
 963
 964                                 Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, e->origin[0], e->origin[1], e->origin[2], 0, 0, 0, 1);
 965                                 Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
 966                                 CL_BoundingBoxForEntity(&ent->render);
 967                         }
 968                 }
 969         }
 970 }
 971
 972 void CL_RelinkBeams(void)
 973 {
 974         int i;
 975         beam_t *b;
 976         vec3_t dist, org;
 977         float d;
 978         entity_t *ent;
 979         float yaw, pitch;
 980         float forward;
 981         matrix4x4_t tempmatrix;
 982
 983         for (i = 0, b = cl_beams;i < cl_max_beams;i++, b++)
 984         {
 985                 if (!b->model || b->endtime < cl.time)
 986                         continue;
 987
 988                 // if coming from the player, update the start position
 989                 //if (b->entity == cl.viewentity)
 990                 //      VectorCopy (cl_entities[cl.viewentity].render.origin, b->start);
 991                 if (cl_beams_relative.integer && b->entity && cl_entities[b->entity].state_current.active && b->relativestartvalid)
 992                 {
 993                         entity_state_t *p = &cl_entities[b->entity].state_previous;
 994                         //entity_state_t *c = &cl_entities[b->entity].state_current;
 995                         entity_render_t *r = &cl_entities[b->entity].render;
 996                         matrix4x4_t matrix, imatrix;
 997                         if (b->relativestartvalid == 2)
 998                         {
 999                                 // not really valid yet, we need to get the orientation now
1000                                 // (ParseBeam flagged this because it is received before
1001                                 //  entities are received, by now they have been received)
1002                                 // note: because players create lightning in their think
1003                                 // function (which occurs before movement), they actually
1004                                 // have some lag in it's location, so compare to the
1005                                 // previous player state, not the latest
1006                                 if (b->entity == cl.viewentity)
1007                                         Matrix4x4_CreateFromQuakeEntity(&matrix, p->origin[0], p->origin[1], p->origin[2] + 16, cl.viewangles[0], cl.viewangles[1], cl.viewangles[2], 1);
1008                                 else
1009                                         Matrix4x4_CreateFromQuakeEntity(&matrix, p->origin[0], p->origin[1], p->origin[2] + 16, p->angles[0], p->angles[1], p->angles[2], 1);
1010                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1011                                 Matrix4x4_Transform(&imatrix, b->start, b->relativestart);
1012                                 Matrix4x4_Transform(&imatrix, b->end, b->relativeend);
1013                                 b->relativestartvalid = 1;
1014                         }
1015                         else
1016                         {
1017                                 if (b->entity == cl.viewentity)
1018                                         Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, cl.viewangles[0], cl.viewangles[1], cl.viewangles[2], 1);
1019                                 else
1020                                         Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, r->angles[0], r->angles[1], r->angles[2], 1);
1021                                 Matrix4x4_Transform(&matrix, b->relativestart, b->start);
1022                                 Matrix4x4_Transform(&matrix, b->relativeend, b->end);
1023                         }
1024                 }
1025
1026                 if (b->lightning)
1027                 {
1028                         if (cl_beams_lightatend.integer)
1029                         {
1030                                 // FIXME: create a matrix from the beam start/end orientation
1031                                 Matrix4x4_CreateTranslate(&tempmatrix, b->end[0], b->end[1], b->end[2]);
1032                                 CL_AllocDlight (NULL, &tempmatrix, 200, 0.3, 0.7, 1, 0, 0, 0, 0, true, 1);
1033                         }
1034                         if (cl_beams_polygons.integer)
1035                                 continue;
1036                 }
1037
1038                 // calculate pitch and yaw
1039                 VectorSubtract (b->end, b->start, dist);
1040
1041                 if (dist[1] == 0 && dist[0] == 0)
1042                 {
1043                         yaw = 0;
1044                         if (dist[2] > 0)
1045                                 pitch = 90;
1046                         else
1047                                 pitch = 270;
1048                 }
1049                 else
1050                 {
1051                         yaw = (int) (atan2(dist[1], dist[0]) * 180 / M_PI);
1052                         if (yaw < 0)
1053                                 yaw += 360;
1054
1055                         forward = sqrt (dist[0]*dist[0] + dist[1]*dist[1]);
1056                         pitch = (int) (atan2(dist[2], forward) * 180 / M_PI);
1057                         if (pitch < 0)
1058                                 pitch += 360;
1059                 }
1060
1061                 // add new entities for the lightning
1062                 VectorCopy (b->start, org);
1063                 d = VectorNormalizeLength(dist);
1064                 while (d > 0)
1065                 {
1066                         ent = CL_NewTempEntity ();
1067                         if (!ent)
1068                                 return;
1069                         //VectorCopy (org, ent->render.origin);
1070                         ent->render.model = b->model;
1071                         ent->render.effects = EF_FULLBRIGHT;
1072                         //ent->render.angles[0] = pitch;
1073                         //ent->render.angles[1] = yaw;
1074                         //ent->render.angles[2] = rand()%360;
1075                         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, org[0], org[1], org[2], -pitch, yaw, lhrandom(0, 360), 1);
1076                         Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
1077                         CL_BoundingBoxForEntity(&ent->render);
1078                         VectorMA(org, 30, dist, org);
1079                         d -= 30;
1080                 }
1081         }
1082 }
1083
1084 void CL_LerpPlayer(float frac)
1085 {
1086         int i;
1087         float d;
1088
1089         cl.viewzoom = cl.viewzoomold + frac * (cl.viewzoomnew - cl.viewzoomold);
1090
1091         for (i = 0;i < 3;i++)
1092                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
1093
1094         if (cls.demoplayback)
1095         {
1096                 // interpolate the angles
1097                 for (i = 0;i < 3;i++)
1098                 {
1099                         d = cl.mviewangles[0][i] - cl.mviewangles[1][i];
1100                         if (d > 180)
1101                                 d -= 360;
1102                         else if (d < -180)
1103                                 d += 360;
1104                         cl.viewangles[i] = cl.mviewangles[1][i] + frac * d;
1105                 }
1106         }
1107 }
1108
1109 /*
1110 ===============
1111 CL_ReadFromServer
1112
1113 Read all incoming data from the server
1114 ===============
1115 */
1116 int CL_ReadFromServer(void)
1117 {
1118         CL_ReadDemoMessage();
1119
1120         r_refdef.numentities = 0;
1121         cl_num_entities = 0;
1122         cl_num_brushmodel_entities = 0;
1123
1124         if (cls.state == ca_connected && cls.signon == SIGNONS)
1125         {
1126                 // prepare for a new frame
1127                 CL_LerpPlayer(CL_LerpPoint());
1128                 CL_DecayLights();
1129                 CL_ClearTempEntities();
1130                 V_DriftPitch();
1131                 V_FadeViewFlashs();
1132
1133                 // relink network entities (note: this sets up the view!)
1134                 CL_RelinkNetworkEntities();
1135
1136                 // move particles
1137                 CL_MoveParticles();
1138                 R_MoveExplosions();
1139
1140                 // link stuff
1141                 CL_RelinkWorld();
1142                 CL_RelinkStaticEntities();
1143                 CL_RelinkBeams();
1144                 CL_RelinkEffects();
1145
1146                 // run cgame code (which can add more entities)
1147                 CL_CGVM_Frame();
1148
1149                 // update view blend
1150                 V_CalcViewBlend();
1151         }
1152
1153         return 0;
1154 }
1155
1156 /*
1157 =================
1158 CL_SendCmd
1159 =================
1160 */
1161 void CL_SendCmd(usercmd_t *cmd)
1162 {
1163         if (cls.signon == SIGNONS)
1164                 CL_SendMove(cmd);
1165
1166         if (cls.demoplayback)
1167         {
1168                 SZ_Clear(&cls.message);
1169                 return;
1170         }
1171
1172         // send the reliable message (forwarded commands) if there is one
1173         if (cls.message.cursize && NetConn_CanSendMessage(cls.netcon))
1174         {
1175                 if (developer.integer)
1176                 {
1177                         Con_Print("CL_SendCmd: sending reliable message:\n");
1178                         SZ_HexDumpToConsole(&cls.message);
1179                 }
1180                 if (NetConn_SendReliableMessage(cls.netcon, &cls.message) == -1)
1181                         Host_Error("CL_WriteToServer: lost server connection");
1182                 SZ_Clear(&cls.message);
1183         }
1184 }
1185
1186 // LordHavoc: pausedemo command
1187 static void CL_PauseDemo_f (void)
1188 {
1189         cls.demopaused = !cls.demopaused;
1190         if (cls.demopaused)
1191                 Con_Print("Demo paused\n");
1192         else
1193                 Con_Print("Demo unpaused\n");
1194 }
1195
1196 /*
1197 ======================
1198 CL_Fog_f
1199 ======================
1200 */
1201 static void CL_Fog_f (void)
1202 {
1203         if (Cmd_Argc () == 1)
1204         {
1205                 Con_Printf("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
1206                 return;
1207         }
1208         fog_density = atof(Cmd_Argv(1));
1209         fog_red = atof(Cmd_Argv(2));
1210         fog_green = atof(Cmd_Argv(3));
1211         fog_blue = atof(Cmd_Argv(4));
1212 }
1213
1214 /*
1215 =================
1216 CL_Init
1217 =================
1218 */
1219 void CL_Init (void)
1220 {
1221         cl_entities_mempool = Mem_AllocPool("client entities");
1222         cl_refdef_mempool = Mem_AllocPool("refdef");
1223
1224         memset(&r_refdef, 0, sizeof(r_refdef));
1225         // max entities sent to renderer per frame
1226         r_refdef.maxentities = MAX_EDICTS + 256 + 512;
1227         r_refdef.entities = Mem_Alloc(cl_refdef_mempool, sizeof(entity_render_t *) * r_refdef.maxentities);
1228         // 256k drawqueue buffer
1229         r_refdef.maxdrawqueuesize = 256 * 1024;
1230         r_refdef.drawqueue = Mem_Alloc(cl_refdef_mempool, r_refdef.maxdrawqueuesize);
1231
1232         SZ_Alloc (&cls.message, 1024, "cls.message");
1233
1234         CL_InitInput ();
1235         CL_InitTEnts ();
1236
1237 //
1238 // register our commands
1239 //
1240         Cvar_RegisterVariable (&cl_upspeed);
1241         Cvar_RegisterVariable (&cl_forwardspeed);
1242         Cvar_RegisterVariable (&cl_backspeed);
1243         Cvar_RegisterVariable (&cl_sidespeed);
1244         Cvar_RegisterVariable (&cl_movespeedkey);
1245         Cvar_RegisterVariable (&cl_yawspeed);
1246         Cvar_RegisterVariable (&cl_pitchspeed);
1247         Cvar_RegisterVariable (&cl_anglespeedkey);
1248         Cvar_RegisterVariable (&cl_shownet);
1249         Cvar_RegisterVariable (&cl_nolerp);
1250         Cvar_RegisterVariable (&lookspring);
1251         Cvar_RegisterVariable (&lookstrafe);
1252         Cvar_RegisterVariable (&sensitivity);
1253         Cvar_RegisterVariable (&freelook);
1254
1255         Cvar_RegisterVariable (&m_pitch);
1256         Cvar_RegisterVariable (&m_yaw);
1257         Cvar_RegisterVariable (&m_forward);
1258         Cvar_RegisterVariable (&m_side);
1259
1260         Cvar_RegisterVariable (&cl_itembobspeed);
1261         Cvar_RegisterVariable (&cl_itembobheight);
1262
1263         Cmd_AddCommand ("entities", CL_PrintEntities_f);
1264         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
1265         Cmd_AddCommand ("record", CL_Record_f);
1266         Cmd_AddCommand ("stop", CL_Stop_f);
1267         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
1268         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
1269
1270         Cmd_AddCommand ("fog", CL_Fog_f);
1271
1272         // LordHavoc: added pausedemo
1273         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
1274
1275         Cvar_RegisterVariable(&r_draweffects);
1276         Cvar_RegisterVariable(&cl_explosions);
1277         Cvar_RegisterVariable(&cl_stainmaps);
1278         Cvar_RegisterVariable(&cl_beams_polygons);
1279         Cvar_RegisterVariable(&cl_beams_relative);
1280         Cvar_RegisterVariable(&cl_beams_lightatend);
1281         Cvar_RegisterVariable(&cl_noplayershadow);
1282
1283         CL_Parse_Init();
1284         CL_Particles_Init();
1285         CL_Screen_Init();
1286         CL_CGVM_Init();
1287
1288         CL_Video_Init();
1289 }
1290