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_alpha_start = {CVAR_SAVE, "cl_explosions_alpha_start", "1.5"};
  50 cvar_t cl_explosions_alpha_end = {CVAR_SAVE, "cl_explosions_alpha_end", "0"};
  51 cvar_t cl_explosions_size_start = {CVAR_SAVE, "cl_explosions_size_start", "16"};
  52 cvar_t cl_explosions_size_end = {CVAR_SAVE, "cl_explosions_size_end", "128"};
  53 cvar_t cl_explosions_lifetime = {CVAR_SAVE, "cl_explosions_lifetime", "0.5"};
  54
  55 cvar_t cl_stainmaps = {CVAR_SAVE, "cl_stainmaps", "1"};
  56 cvar_t cl_stainmapsclearonload = {CVAR_SAVE, "cl_stainmapsclearonload", "0"};
  57
  58 cvar_t cl_beams_polygons = {CVAR_SAVE, "cl_beams_polygons", "1"};
  59 cvar_t cl_beams_relative = {CVAR_SAVE, "cl_beams_relative", "1"};
  60 cvar_t cl_beams_lightatend = {CVAR_SAVE, "cl_beams_lightatend", "0"};
  61
  62 cvar_t cl_noplayershadow = {CVAR_SAVE, "cl_noplayershadow", "0"};
  63
  64 mempool_t *cl_refdef_mempool;
  65 mempool_t *cl_entities_mempool;
  66
  67 client_static_t cls;
  68 client_state_t  cl;
  69
  70 int cl_max_entities;
  71 int cl_max_static_entities;
  72 int cl_max_temp_entities;
  73 int cl_max_effects;
  74 int cl_max_beams;
  75 int cl_max_dlights;
  76 int cl_max_lightstyle;
  77 int cl_max_brushmodel_entities;
  78
  79 entity_t *cl_entities;
  80 qbyte *cl_entities_active;
  81 entity_t *cl_static_entities;
  82 entity_t *cl_temp_entities;
  83 cl_effect_t *cl_effects;
  84 beam_t *cl_beams;
  85 dlight_t *cl_dlights;
  86 lightstyle_t *cl_lightstyle;
  87 entity_render_t **cl_brushmodel_entities;
  88
  89 int cl_num_entities;
  90 int cl_num_static_entities;
  91 int cl_num_temp_entities;
  92 int cl_num_brushmodel_entities;
  93
  94 /*
  95 =====================
  96 CL_ClearState
  97
  98 =====================
  99 */
 100 void CL_ClearState(void)
 101 {
 102         int i;
 103
 104         if (!sv.active)
 105                 Host_ClearMemory ();
 106
 107         // note: this also gets rid of the entity database
 108         Mem_EmptyPool(cl_entities_mempool);
 109
 110 // wipe the entire cl structure
 111         memset (&cl, 0, sizeof(cl));
 112         // reset the view zoom interpolation
 113         cl.viewzoomold = cl.viewzoomnew = 1;
 114
 115         SZ_Clear (&cls.message);
 116
 117         cl_num_entities = 0;
 118         cl_num_static_entities = 0;
 119         cl_num_temp_entities = 0;
 120         cl_num_brushmodel_entities = 0;
 121
 122         // tweak these if the game runs out
 123         cl_max_entities = MAX_EDICTS;
 124         cl_max_static_entities = 256;
 125         cl_max_temp_entities = 512;
 126         cl_max_effects = 256;
 127         cl_max_beams = 256;
 128         cl_max_dlights = MAX_DLIGHTS;
 129         cl_max_lightstyle = MAX_LIGHTSTYLES;
 130         cl_max_brushmodel_entities = MAX_EDICTS;
 131
 132         cl_entities = Mem_Alloc(cl_entities_mempool, cl_max_entities * sizeof(entity_t));
 133         cl_entities_active = Mem_Alloc(cl_entities_mempool, cl_max_entities * sizeof(qbyte));
 134         cl_static_entities = Mem_Alloc(cl_entities_mempool, cl_max_static_entities * sizeof(entity_t));
 135         cl_temp_entities = Mem_Alloc(cl_entities_mempool, cl_max_temp_entities * sizeof(entity_t));
 136         cl_effects = Mem_Alloc(cl_entities_mempool, cl_max_effects * sizeof(cl_effect_t));
 137         cl_beams = Mem_Alloc(cl_entities_mempool, cl_max_beams * sizeof(beam_t));
 138         cl_dlights = Mem_Alloc(cl_entities_mempool, cl_max_dlights * sizeof(dlight_t));
 139         cl_lightstyle = Mem_Alloc(cl_entities_mempool, cl_max_lightstyle * sizeof(lightstyle_t));
 140         cl_brushmodel_entities = Mem_Alloc(cl_entities_mempool, cl_max_brushmodel_entities * sizeof(entity_render_t *));
 141
 142         CL_Screen_NewMap();
 143
 144         CL_Particles_Clear();
 145
 146         // LordHavoc: have to set up the baseline info for alpha and other stuff
 147         for (i = 0;i < cl_max_entities;i++)
 148         {
 149                 cl_entities[i].state_baseline = defaultstate;
 150                 cl_entities[i].state_previous = defaultstate;
 151                 cl_entities[i].state_current = defaultstate;
 152         }
 153
 154         CL_CGVM_Clear();
 155 }
 156
 157 /*
 158 =====================
 159 CL_Disconnect
 160
 161 Sends a disconnect message to the server
 162 This is also called on Host_Error, so it shouldn't cause any errors
 163 =====================
 164 */
 165 void CL_Disconnect(void)
 166 {
 167         if (cls.state == ca_dedicated)
 168                 return;
 169
 170         Con_DPrintf("CL_Disconnect\n");
 171
 172 // stop sounds (especially looping!)
 173         S_StopAllSounds (true);
 174
 175         // clear contents blends
 176         cl.cshifts[0].percent = 0;
 177         cl.cshifts[1].percent = 0;
 178         cl.cshifts[2].percent = 0;
 179         cl.cshifts[3].percent = 0;
 180
 181         cl.worldmodel = NULL;
 182
 183         if (cls.demoplayback)
 184                 CL_StopPlayback();
 185         else if (cls.netcon)
 186         {
 187                 if (cls.demorecording)
 188                         CL_Stop_f();
 189
 190                 Con_DPrint("Sending clc_disconnect\n");
 191                 SZ_Clear(&cls.message);
 192                 MSG_WriteByte(&cls.message, clc_disconnect);
 193                 NetConn_SendUnreliableMessage(cls.netcon, &cls.message);
 194                 SZ_Clear(&cls.message);
 195                 NetConn_Close(cls.netcon);
 196                 cls.netcon = NULL;
 197         }
 198         cls.state = ca_disconnected;
 199
 200         cls.demoplayback = cls.timedemo = false;
 201         cls.signon = 0;
 202 }
 203
 204 void CL_Disconnect_f(void)
 205 {
 206         CL_Disconnect ();
 207         if (sv.active)
 208                 Host_ShutdownServer (false);
 209 }
 210
 211
 212
 213
 214 /*
 215 =====================
 216 CL_EstablishConnection
 217
 218 Host should be either "local" or a net address
 219 =====================
 220 */
 221 void CL_EstablishConnection(const char *host)
 222 {
 223         if (cls.state == ca_dedicated)
 224                 return;
 225
 226         // clear menu's connect error message
 227         m_return_reason[0] = 0;
 228         cls.demonum = -1;
 229
 230         // stop demo loop in case this fails
 231         CL_Disconnect();
 232         NetConn_ClientFrame();
 233         NetConn_ServerFrame();
 234
 235         if (LHNETADDRESS_FromString(&cls.connect_address, host, 26000) && (cls.connect_mysocket = NetConn_ChooseClientSocketForAddress(&cls.connect_address)))
 236         {
 237                 cls.connect_trying = true;
 238                 cls.connect_remainingtries = 3;
 239                 cls.connect_nextsendtime = 0;
 240                 if (sv.active)
 241                 {
 242                         NetConn_ClientFrame();
 243                         NetConn_ServerFrame();
 244                         NetConn_ClientFrame();
 245                         NetConn_ServerFrame();
 246                         NetConn_ClientFrame();
 247                         NetConn_ServerFrame();
 248                         NetConn_ClientFrame();
 249                         NetConn_ServerFrame();
 250                 }
 251         }
 252         else
 253         {
 254                 Con_Print("Unable to find a suitable network socket to connect to server.\n");
 255                 strcpy(m_return_reason, "No network");
 256         }
 257 }
 258
 259 /*
 260 ==============
 261 CL_PrintEntities_f
 262 ==============
 263 */
 264 static void CL_PrintEntities_f(void)
 265 {
 266         entity_t *ent;
 267         int i, j;
 268         char name[32];
 269
 270         for (i = 0, ent = cl_entities;i < cl_num_entities;i++, ent++)
 271         {
 272                 if (!ent->state_current.active)
 273                         continue;
 274
 275                 if (ent->render.model)
 276                         strlcpy (name, ent->render.model->name, 25);
 277                 else
 278                         strcpy(name, "--no model--");
 279                 for (j = strlen(name);j < 25;j++)
 280                         name[j] = ' ';
 281                 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);
 282         }
 283 }
 284
 285 //static const vec3_t nomodelmins = {-16, -16, -16};
 286 //static const vec3_t nomodelmaxs = {16, 16, 16};
 287 void CL_BoundingBoxForEntity(entity_render_t *ent)
 288 {
 289         if (ent->model)
 290         {
 291                 //if (ent->angles[0] || ent->angles[2])
 292                 if (ent->matrix.m[2][0] != 0 || ent->matrix.m[2][1] != 0)
 293                 {
 294                         // pitch or roll
 295                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->rotatedmins[0];
 296                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->rotatedmins[1];
 297                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->rotatedmins[2];
 298                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->rotatedmaxs[0];
 299                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->rotatedmaxs[1];
 300                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->rotatedmaxs[2];
 301                         //VectorAdd(ent->origin, ent->model->rotatedmins, ent->mins);
 302                         //VectorAdd(ent->origin, ent->model->rotatedmaxs, ent->maxs);
 303                 }
 304                 //else if (ent->angles[1])
 305                 else if (ent->matrix.m[0][1] != 0 || ent->matrix.m[1][0] != 0)
 306                 {
 307                         // yaw
 308                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->yawmins[0];
 309                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->yawmins[1];
 310                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->yawmins[2];
 311                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->yawmaxs[0];
 312                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->yawmaxs[1];
 313                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->yawmaxs[2];
 314                         //VectorAdd(ent->origin, ent->model->yawmins, ent->mins);
 315                         //VectorAdd(ent->origin, ent->model->yawmaxs, ent->maxs);
 316                 }
 317                 else
 318                 {
 319                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->normalmins[0];
 320                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->normalmins[1];
 321                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->normalmins[2];
 322                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->normalmaxs[0];
 323                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->normalmaxs[1];
 324                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->normalmaxs[2];
 325                         //VectorAdd(ent->origin, ent->model->normalmins, ent->mins);
 326                         //VectorAdd(ent->origin, ent->model->normalmaxs, ent->maxs);
 327                 }
 328         }
 329         else
 330         {
 331                 ent->mins[0] = ent->matrix.m[0][3] - 16;
 332                 ent->mins[1] = ent->matrix.m[1][3] - 16;
 333                 ent->mins[2] = ent->matrix.m[2][3] - 16;
 334                 ent->maxs[0] = ent->matrix.m[0][3] + 16;
 335                 ent->maxs[1] = ent->matrix.m[1][3] + 16;
 336                 ent->maxs[2] = ent->matrix.m[2][3] + 16;
 337                 //VectorAdd(ent->origin, nomodelmins, ent->mins);
 338                 //VectorAdd(ent->origin, nomodelmaxs, ent->maxs);
 339         }
 340 }
 341
 342 /*
 343 ===============
 344 CL_LerpPoint
 345
 346 Determines the fraction between the last two messages that the objects
 347 should be put at.
 348 ===============
 349 */
 350 static float CL_LerpPoint(void)
 351 {
 352         float f;
 353
 354         // dropped packet, or start of demo
 355         if (cl.mtime[1] < cl.mtime[0] - 0.1)
 356                 cl.mtime[1] = cl.mtime[0] - 0.1;
 357
 358         cl.time = bound(cl.mtime[1], cl.time, cl.mtime[0]);
 359
 360         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 361         f = cl.mtime[0] - cl.mtime[1];
 362         if (!f || cl_nolerp.integer || cls.timedemo || cl.islocalgame)
 363         {
 364                 cl.time = cl.mtime[0];
 365                 return 1;
 366         }
 367
 368         f = (cl.time - cl.mtime[1]) / f;
 369         return bound(0, f, 1);
 370 }
 371
 372 void CL_ClearTempEntities (void)
 373 {
 374         cl_num_temp_entities = 0;
 375 }
 376
 377 entity_t *CL_NewTempEntity(void)
 378 {
 379         entity_t *ent;
 380
 381         if (r_refdef.numentities >= r_refdef.maxentities)
 382                 return NULL;
 383         if (cl_num_temp_entities >= cl_max_temp_entities)
 384                 return NULL;
 385         ent = &cl_temp_entities[cl_num_temp_entities++];
 386         memset (ent, 0, sizeof(*ent));
 387         r_refdef.entities[r_refdef.numentities++] = &ent->render;
 388
 389         ent->render.colormap = -1; // no special coloring
 390         ent->render.scale = 1;
 391         ent->render.alpha = 1;
 392         return ent;
 393 }
 394
 395 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
 396 {
 397         int i;
 398         cl_effect_t *e;
 399         if (!modelindex) // sanity check
 400                 return;
 401         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
 402         {
 403                 if (e->active)
 404                         continue;
 405                 e->active = true;
 406                 VectorCopy(org, e->origin);
 407                 e->modelindex = modelindex;
 408                 e->starttime = cl.time;
 409                 e->startframe = startframe;
 410                 e->endframe = startframe + framecount;
 411                 e->framerate = framerate;
 412
 413                 e->frame = 0;
 414                 e->frame1time = cl.time;
 415                 e->frame2time = cl.time;
 416                 break;
 417         }
 418 }
 419
 420 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)
 421 {
 422         int i;
 423         dlight_t *dl;
 424
 425         /*
 426 // first look for an exact key match
 427         if (ent)
 428         {
 429                 dl = cl_dlights;
 430                 for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 431                         if (dl->ent == ent)
 432                                 goto dlightsetup;
 433         }
 434         */
 435
 436 // then look for anything else
 437         dl = cl_dlights;
 438         for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 439                 if (!dl->radius)
 440                         goto dlightsetup;
 441
 442         // unable to find one
 443         return;
 444
 445 dlightsetup:
 446         //Con_Printf("dlight %i : %f %f %f : %f %f %f\n", i, org[0], org[1], org[2], red * radius, green * radius, blue * radius);
 447         memset (dl, 0, sizeof(*dl));
 448         dl->matrix = *matrix;
 449         dl->ent = ent;
 450         dl->origin[0] = dl->matrix.m[0][3];
 451         dl->origin[1] = dl->matrix.m[1][3];
 452         dl->origin[2] = dl->matrix.m[2][3];
 453         CL_FindNonSolidLocation(dl->origin, dl->origin, 6);
 454         dl->matrix.m[0][3] = dl->origin[0];
 455         dl->matrix.m[1][3] = dl->origin[1];
 456         dl->matrix.m[2][3] = dl->origin[2];
 457         dl->radius = radius;
 458         dl->color[0] = red;
 459         dl->color[1] = green;
 460         dl->color[2] = blue;
 461         dl->decay = decay;
 462         if (lifetime)
 463                 dl->die = cl.time + lifetime;
 464         else
 465                 dl->die = 0;
 466         dl->cubemapnum = cubemapnum;
 467         dl->style = style;
 468         dl->shadow = shadowenable;
 469         dl->corona = corona;
 470 }
 471
 472 void CL_DecayLights(void)
 473 {
 474         int i;
 475         dlight_t *dl;
 476         float time;
 477
 478         time = cl.time - cl.oldtime;
 479         for (i = 0, dl = cl_dlights;i < MAX_DLIGHTS;i++, dl++)
 480                 if (dl->radius)
 481                         dl->radius = (cl.time < dl->die) ? max(0, dl->radius - time * dl->decay) : 0;
 482 }
 483
 484 #define MAXVIEWMODELS 32
 485 entity_t *viewmodels[MAXVIEWMODELS];
 486 int numviewmodels;
 487
 488 matrix4x4_t viewmodelmatrix;
 489
 490 static int entitylinkframenumber;
 491
 492 static const vec3_t muzzleflashorigin = {18, 0, 0};
 493
 494 extern void V_DriftPitch(void);
 495 extern void V_FadeViewFlashs(void);
 496 extern void V_CalcViewBlend(void);
 497
 498 extern void V_CalcRefdef(void);
 499 // note this is a recursive function, but it can never get in a runaway loop (because of the delayedlink flags)
 500 void CL_LinkNetworkEntity(entity_t *e)
 501 {
 502         matrix4x4_t *matrix, blendmatrix, tempmatrix, matrix2;
 503         //matrix4x4_t dlightmatrix;
 504         int j, k, l, trailtype, temp;
 505         float origin[3], angles[3], delta[3], lerp, dlightcolor[3], dlightradius, mins[3], maxs[3], v[3], v2[3], d;
 506         entity_t *t;
 507         model_t *model;
 508         //entity_persistent_t *p = &e->persistent;
 509         //entity_render_t *r = &e->render;
 510         if (e->persistent.linkframe != entitylinkframenumber)
 511         {
 512                 e->persistent.linkframe = entitylinkframenumber;
 513                 // skip inactive entities and world
 514                 if (!e->state_current.active || e == cl_entities)
 515                         return;
 516                 e->render.alpha = e->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 517                 e->render.scale = e->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 518                 e->render.flags = e->state_current.flags;
 519                 e->render.effects = e->state_current.effects;
 520                 if (e->state_current.flags & RENDER_COLORMAPPED)
 521                         e->render.colormap = e->state_current.colormap;
 522                 else if (cl.scores != NULL && e->state_current.colormap)
 523                         e->render.colormap = cl.scores[e->state_current.colormap - 1].colors; // color it
 524                 else
 525                         e->render.colormap = -1; // no special coloring
 526                 e->render.skinnum = e->state_current.skin;
 527                 if (e->render.flags & RENDER_VIEWMODEL)
 528                 {
 529                         if (!r_drawviewmodel.integer || chase_active.integer || envmap)
 530                                 return;
 531                         if (cl.viewentity)
 532                                 CL_LinkNetworkEntity(cl_entities + cl.viewentity);
 533                         matrix = &viewmodelmatrix;
 534                         if (e == &cl.viewent && cl.viewentity >= 0 && cl.viewentity < MAX_EDICTS && cl_entities[cl.viewentity].state_current.active)
 535                         {
 536                                 e->state_current.alpha = cl_entities[cl.viewentity].state_current.alpha;
 537                                 e->state_current.effects = EF_NOSHADOW | (cl_entities[cl.viewentity].state_current.effects & (EF_ADDITIVE | EF_REFLECTIVE | EF_FULLBRIGHT | EF_NODEPTHTEST));
 538                         }
 539                 }
 540                 else
 541                 {
 542                         t = cl_entities + e->state_current.tagentity;
 543                         if (!t->state_current.active)
 544                                 return;
 545                         // note: this can link to world
 546                         CL_LinkNetworkEntity(t);
 547                         // make relative to the entity
 548                         matrix = &t->render.matrix;
 549                         // some properties of the tag entity carry over
 550                         e->render.flags |= t->render.flags & RENDER_EXTERIORMODEL;
 551                         // if a valid tagindex is used, make it relative to that tag instead
 552                         // FIXME: use a model function to get tag info (need to handle skeletal)
 553                         if (e->state_current.tagentity && e->state_current.tagindex >= 1 && (model = t->render.model) && e->state_current.tagindex <= t->render.model->alias.aliasnum_tags)
 554                         {
 555                                 // blend the matrices
 556                                 memset(&blendmatrix, 0, sizeof(blendmatrix));
 557                                 for (j = 0;j < 4 && t->render.frameblend[j].lerp > 0;j++)
 558                                 {
 559                                         matrix = &t->render.model->alias.aliasdata_tags[t->render.frameblend[j].frame * t->render.model->alias.aliasnum_tags + (e->state_current.tagindex - 1)].matrix;
 560                                         d = t->render.frameblend[j].lerp;
 561                                         for (l = 0;l < 4;l++)
 562                                                 for (k = 0;k < 4;k++)
 563                                                         blendmatrix.m[l][k] += d * matrix->m[l][k];
 564                                 }
 565                                 // concat the tag matrices onto the entity matrix
 566                                 Matrix4x4_Concat(&tempmatrix, &t->render.matrix, &blendmatrix);
 567                                 // use the constructed tag matrix
 568                                 matrix = &tempmatrix;
 569                         }
 570                 }
 571                 // set up the render matrix
 572                 if (e->state_previous.active && e->state_current.modelindex == e->state_previous.modelindex)
 573                 {
 574                         // movement lerp
 575                         if (e->persistent.lerpdeltatime > 0 && (lerp = (cl.time - e->persistent.lerpstarttime) / e->persistent.lerpdeltatime) < 1)
 576                         {
 577                                 // interpolate the origin and angles
 578                                 VectorLerp(e->persistent.oldorigin, lerp, e->persistent.neworigin, origin);
 579                                 VectorSubtract(e->persistent.newangles, e->persistent.oldangles, delta);
 580                                 if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
 581                                 if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
 582                                 if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
 583                                 VectorMA(e->persistent.oldangles, lerp, delta, angles);
 584                         }
 585                         else
 586                         {
 587                                 // no interpolation
 588                                 VectorCopy(e->persistent.neworigin, origin);
 589                                 VectorCopy(e->persistent.newangles, angles);
 590                         }
 591                         // animation lerp
 592                         if (e->render.frame2 == e->state_current.frame)
 593                         {
 594                                 // update frame lerp fraction
 595                                 e->render.framelerp = 1;
 596                                 if (e->render.frame2time > e->render.frame1time)
 597                                 {
 598                                         e->render.framelerp = (cl.time - e->render.frame2time) / (e->render.frame2time - e->render.frame1time);
 599                                         e->render.framelerp = bound(0, e->render.framelerp, 1);
 600                                 }
 601                         }
 602                         else
 603                         {
 604                                 // begin a new frame lerp
 605                                 e->render.frame1 = e->render.frame2;
 606                                 e->render.frame1time = e->render.frame2time;
 607                                 e->render.frame = e->render.frame2 = e->state_current.frame;
 608                                 e->render.frame2time = cl.time;
 609                                 e->render.framelerp = 0;
 610                                 // make sure frame lerp won't last longer than 100ms
 611                                 // (this mainly helps with models that use framegroups and
 612                                 // switch between them infrequently)
 613                                 e->render.frame1time = max(e->render.frame1time, e->render.frame2time - 0.1f);
 614                         }
 615                 }
 616                 else
 617                 {
 618                         // no interpolation
 619                         VectorCopy(e->persistent.neworigin, origin);
 620                         VectorCopy(e->persistent.newangles, angles);
 621                         e->render.frame = e->render.frame1 = e->render.frame2 = e->state_current.frame;
 622                         e->render.frame1time = e->render.frame2time = cl.time;
 623                         e->render.framelerp = 1;
 624                 }
 625
 626                 e->render.model = cl.model_precache[e->state_current.modelindex];
 627                 if (e->render.model)
 628                 {
 629                         Mod_CheckLoaded(e->render.model);
 630                         // if model is alias or this is a tenebrae-like dlight, reverse pitch direction
 631                         if (e->render.model->type == mod_alias || (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC))
 632                                 angles[0] = -angles[0];
 633                         if ((e->render.model->flags & EF_ROTATE) && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
 634                         {
 635                                 angles[1] = ANGLEMOD(100*cl.time);
 636                                 if (cl_itembobheight.value)
 637                                         origin[2] += (cos(cl.time * cl_itembobspeed.value * (2.0 * M_PI)) + 1.0) * 0.5 * cl_itembobheight.value;
 638                         }
 639                         // transfer certain model flags to effects
 640                         if (e->render.model->flags2 & EF_FULLBRIGHT)
 641                                 e->render.effects |= EF_FULLBRIGHT;
 642                 }
 643
 644                 R_LerpAnimation(&e->render);
 645
 646                 // FIXME: e->render.scale should go away
 647                 Matrix4x4_CreateFromQuakeEntity(&matrix2, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
 648                 // concat the matrices to make the entity relative to its tag
 649                 Matrix4x4_Concat(&e->render.matrix, matrix, &matrix2);
 650                 // make the other useful stuff
 651                 Matrix4x4_Invert_Simple(&e->render.inversematrix, &e->render.matrix);
 652                 CL_BoundingBoxForEntity(&e->render);
 653
 654                 // handle effects now that we know where this entity is in the world...
 655                 origin[0] = e->render.matrix.m[0][3];
 656                 origin[1] = e->render.matrix.m[1][3];
 657                 origin[2] = e->render.matrix.m[2][3];
 658                 trailtype = -1;
 659                 dlightradius = 0;
 660                 dlightcolor[0] = 0;
 661                 dlightcolor[1] = 0;
 662                 dlightcolor[2] = 0;
 663                 // LordHavoc: if the entity has no effects, don't check each
 664                 if (e->render.effects)
 665                 {
 666                         if (e->render.effects & EF_BRIGHTFIELD)
 667                         {
 668                                 if (gamemode == GAME_NEXUIZ)
 669                                 {
 670                                         dlightradius = max(dlightradius, 200);
 671                                         dlightcolor[0] += 0.75f;
 672                                         dlightcolor[1] += 1.50f;
 673                                         dlightcolor[2] += 3.00f;
 674                                         trailtype = 8;
 675                                 }
 676                                 else
 677                                         CL_EntityParticles(e);
 678                         }
 679                         if (e->render.effects & EF_MUZZLEFLASH)
 680                                 e->persistent.muzzleflash = 1.0f;
 681                         if (e->render.effects & EF_DIMLIGHT)
 682                         {
 683                                 dlightradius = max(dlightradius, 200);
 684                                 dlightcolor[0] += 1.50f;
 685                                 dlightcolor[1] += 1.50f;
 686                                 dlightcolor[2] += 1.50f;
 687                         }
 688                         if (e->render.effects & EF_BRIGHTLIGHT)
 689                         {
 690                                 dlightradius = max(dlightradius, 400);
 691                                 dlightcolor[0] += 3.00f;
 692                                 dlightcolor[1] += 3.00f;
 693                                 dlightcolor[2] += 3.00f;
 694                         }
 695                         // LordHavoc: more effects
 696                         if (e->render.effects & EF_RED) // red
 697                         {
 698                                 dlightradius = max(dlightradius, 200);
 699                                 dlightcolor[0] += 1.50f;
 700                                 dlightcolor[1] += 0.15f;
 701                                 dlightcolor[2] += 0.15f;
 702                         }
 703                         if (e->render.effects & EF_BLUE) // blue
 704                         {
 705                                 dlightradius = max(dlightradius, 200);
 706                                 dlightcolor[0] += 0.15f;
 707                                 dlightcolor[1] += 0.15f;
 708                                 dlightcolor[2] += 1.50f;
 709                         }
 710                         if (e->render.effects & EF_FLAME)
 711                         {
 712                                 mins[0] = origin[0] - 16.0f;
 713                                 mins[1] = origin[1] - 16.0f;
 714                                 mins[2] = origin[2] - 16.0f;
 715                                 maxs[0] = origin[0] + 16.0f;
 716                                 maxs[1] = origin[1] + 16.0f;
 717                                 maxs[2] = origin[2] + 16.0f;
 718                                 // how many flames to make
 719                                 temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
 720                                 CL_FlameCube(mins, maxs, temp);
 721                                 d = lhrandom(0.75f, 1);
 722                                 dlightradius = max(dlightradius, 200);
 723                                 dlightcolor[0] += d * 2.0f;
 724                                 dlightcolor[1] += d * 1.5f;
 725                                 dlightcolor[2] += d * 0.5f;
 726                         }
 727                         if (e->render.effects & EF_STARDUST)
 728                         {
 729                                 mins[0] = origin[0] - 16.0f;
 730                                 mins[1] = origin[1] - 16.0f;
 731                                 mins[2] = origin[2] - 16.0f;
 732                                 maxs[0] = origin[0] + 16.0f;
 733                                 maxs[1] = origin[1] + 16.0f;
 734                                 maxs[2] = origin[2] + 16.0f;
 735                                 // how many particles to make
 736                                 temp = (int) (cl.time * 200) - (int) (cl.oldtime * 200);
 737                                 CL_Stardust(mins, maxs, temp);
 738                                 dlightradius = max(dlightradius, 200);
 739                                 dlightcolor[0] += 1.0f;
 740                                 dlightcolor[1] += 0.7f;
 741                                 dlightcolor[2] += 0.3f;
 742                         }
 743                 }
 744                 // muzzleflash fades over time, and is offset a bit
 745                 if (e->persistent.muzzleflash > 0)
 746                 {
 747                         Matrix4x4_Transform(&e->render.matrix, muzzleflashorigin, v2);
 748                         CL_TraceLine(origin, v2, v, NULL, true, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_SKY);
 749                         tempmatrix = e->render.matrix;
 750                         tempmatrix.m[0][3] = v[0];
 751                         tempmatrix.m[1][3] = v[1];
 752                         tempmatrix.m[2][3] = v[2];
 753                         CL_AllocDlight(NULL, &tempmatrix, 100, e->persistent.muzzleflash, e->persistent.muzzleflash, e->persistent.muzzleflash, 0, 0, 0, 0, true, 0);
 754                         e->persistent.muzzleflash -= cl.frametime * 10;
 755                 }
 756                 // LordHavoc: if the model has no flags, don't check each
 757                 if (e->render.model && e->render.model->flags && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
 758                 {
 759                         if (e->render.model->flags & EF_GIB)
 760                                 trailtype = 2;
 761                         else if (e->render.model->flags & EF_ZOMGIB)
 762                                 trailtype = 4;
 763                         else if (e->render.model->flags & EF_TRACER)
 764                         {
 765                                 trailtype = 3;
 766                                 dlightradius = max(dlightradius, 100);
 767                                 dlightcolor[0] += 0.25f;
 768                                 dlightcolor[1] += 1.00f;
 769                                 dlightcolor[2] += 0.25f;
 770                         }
 771                         else if (e->render.model->flags & EF_TRACER2)
 772                         {
 773                                 trailtype = 5;
 774                                 dlightradius = max(dlightradius, 100);
 775                                 dlightcolor[0] += 1.00f;
 776                                 dlightcolor[1] += 0.60f;
 777                                 dlightcolor[2] += 0.20f;
 778                         }
 779                         else if (e->render.model->flags & EF_ROCKET)
 780                         {
 781                                 trailtype = 0;
 782                                 dlightradius = max(dlightradius, 200);
 783                                 dlightcolor[0] += 3.00f;
 784                                 dlightcolor[1] += 1.50f;
 785                                 dlightcolor[2] += 0.50f;
 786                         }
 787                         else if (e->render.model->flags & EF_GRENADE)
 788                         {
 789                                 // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
 790                                 trailtype = e->render.alpha == -1 ? 7 : 1;
 791                         }
 792                         else if (e->render.model->flags & EF_TRACER3)
 793                         {
 794                                 trailtype = 6;
 795                                 if (gamemode == GAME_PRYDON)
 796                                 {
 797                                         dlightradius = max(dlightradius, 100);
 798                                         dlightcolor[0] += 0.30f;
 799                                         dlightcolor[1] += 0.60f;
 800                                         dlightcolor[2] += 1.20f;
 801                                 }
 802                                 else
 803                                 {
 804                                         dlightradius = max(dlightradius, 200);
 805                                         dlightcolor[0] += 1.20f;
 806                                         dlightcolor[1] += 0.50f;
 807                                         dlightcolor[2] += 1.00f;
 808                                 }
 809                         }
 810                 }
 811                 // LordHavoc: customizable glow
 812                 if (e->state_current.glowsize)
 813                 {
 814                         // * 4 for the expansion from 0-255 to 0-1023 range,
 815                         // / 255 to scale down byte colors
 816                         dlightradius = max(dlightradius, e->state_current.glowsize * 4);
 817                         VectorMA(dlightcolor, (1.0f / 255.0f), (qbyte *)&palette_complete[e->state_current.glowcolor], dlightcolor);
 818                 }
 819                 // make the glow dlight
 820                 if (dlightradius > 0 && (dlightcolor[0] || dlightcolor[1] || dlightcolor[2]) && !(e->render.flags & RENDER_VIEWMODEL))
 821                 {
 822                         //dlightmatrix = e->render.matrix;
 823                         // hack to make glowing player light shine on their gun
 824                         //if ((e - cl_entities) == cl.viewentity/* && !chase_active.integer*/)
 825                         //      dlightmatrix.m[2][3] += 30;
 826                         CL_AllocDlight(&e->render, &e->render.matrix, dlightradius, dlightcolor[0], dlightcolor[1], dlightcolor[2], 0, 0, 0, 0, true, 1);
 827                 }
 828                 // custom rtlight
 829                 if (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC)
 830                 {
 831                         float light[4];
 832                         VectorScale(e->state_current.light, (1.0f / 256.0f), light);
 833                         light[3] = e->state_current.light[3];
 834                         if (light[0] == 0 && light[1] == 0 && light[2] == 0)
 835                                 VectorSet(light, 1, 1, 1);
 836                         if (light[3] == 0)
 837                                 light[3] = 350;
 838                         CL_AllocDlight(&e->render, &e->render.matrix, light[3], light[0], light[1], light[2], 0, 0, e->state_current.skin, e->state_current.lightstyle, !(e->state_current.lightpflags & PFLAGS_NOSHADOW), (e->state_current.lightpflags & PFLAGS_CORONA) != 0);
 839                 }
 840                 // trails need the previous frame
 841                 if (e->state_previous.active && e->state_previous.modelindex == e->state_current.modelindex)
 842                 {
 843                         if (e->render.flags & RENDER_GLOWTRAIL)
 844                                 trailtype = 9;
 845                         if (trailtype >= 0)
 846                                 CL_RocketTrail(e->persistent.trail_origin, origin, trailtype, e->state_current.glowcolor, e);
 847                 }
 848                 VectorCopy(origin, e->persistent.trail_origin);
 849                 // tenebrae's sprites are all additive mode (weird)
 850                 if (gamemode == GAME_TENEBRAE && e->render.model && e->render.model->type == mod_sprite)
 851                         e->render.effects |= EF_ADDITIVE;
 852                 // player model is only shown with chase_active on
 853                 if (e - cl_entities == cl.viewentity)
 854                         e->render.flags |= RENDER_EXTERIORMODEL;
 855                 // transparent stuff can't be lit during the opaque stage
 856                 if (e->render.effects & (EF_ADDITIVE | EF_NODEPTHTEST) || e->render.alpha < 1)
 857                         e->render.flags |= RENDER_TRANSPARENT;
 858                 // either fullbright or lit
 859                 if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
 860                         e->render.flags |= RENDER_LIGHT;
 861                 // hide player shadow during intermission or nehahra movie
 862                 if (!(e->render.effects & EF_NOSHADOW)
 863                  && !(e->render.flags & (RENDER_VIEWMODEL | RENDER_TRANSPARENT))
 864                  && (!(e->render.flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cl.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 865                         e->render.flags |= RENDER_SHADOW;
 866                 // as soon as player is known we can call V_CalcRefDef
 867                 if ((e - cl_entities) == cl.viewentity)
 868                         V_CalcRefdef();
 869                 if (e->render.model && e->render.model->name[0] == '*' && e->render.model->TraceBox)
 870                         cl_brushmodel_entities[cl_num_brushmodel_entities++] = &e->render;
 871                 // don't show entities with no modelindex (note: this still shows
 872                 // entities which have a modelindex that resolved to a NULL model)
 873                 if (e->render.model && !(e->render.effects & EF_NODRAW) && r_refdef.numentities < r_refdef.maxentities)
 874                         r_refdef.entities[r_refdef.numentities++] = &e->render;
 875                 if (cl_num_entities < e->state_current.number + 1)
 876                         cl_num_entities = e->state_current.number + 1;
 877                 //if (cl.viewentity && e - cl_entities == cl.viewentity)
 878                 //      Matrix4x4_Print(&e->render.matrix);
 879         }
 880 }
 881
 882 void CL_RelinkWorld(void)
 883 {
 884         entity_t *ent = &cl_entities[0];
 885         if (cl_num_entities < 1)
 886                 cl_num_entities = 1;
 887         cl_brushmodel_entities[cl_num_brushmodel_entities++] = &ent->render;
 888         // FIXME: this should be done at load
 889         Matrix4x4_CreateIdentity(&ent->render.matrix);
 890         Matrix4x4_CreateIdentity(&ent->render.inversematrix);
 891         CL_BoundingBoxForEntity(&ent->render);
 892         ent->render.flags = RENDER_SHADOW;
 893         if (!r_fullbright.integer)
 894                 ent->render.flags |= RENDER_LIGHT;
 895 }
 896
 897 static void CL_RelinkStaticEntities(void)
 898 {
 899         int i;
 900         entity_t *e;
 901         for (i = 0, e = cl_static_entities;i < cl_num_static_entities && r_refdef.numentities < r_refdef.maxentities;i++, e++)
 902         {
 903                 Mod_CheckLoaded(e->render.model);
 904                 e->render.flags = 0;
 905                 // transparent stuff can't be lit during the opaque stage
 906                 if (e->render.effects & (EF_ADDITIVE | EF_NODEPTHTEST) || e->render.alpha < 1)
 907                         e->render.flags |= RENDER_TRANSPARENT;
 908                 // either fullbright or lit
 909                 if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
 910                         e->render.flags |= RENDER_LIGHT;
 911                 // hide player shadow during intermission or nehahra movie
 912                 if (!(e->render.effects & EF_NOSHADOW) && !(e->render.flags & RENDER_TRANSPARENT))
 913                         e->render.flags |= RENDER_SHADOW;
 914                 r_refdef.entities[r_refdef.numentities++] = &e->render;
 915         }
 916 }
 917
 918 /*
 919 ===============
 920 CL_RelinkEntities
 921 ===============
 922 */
 923 static void CL_RelinkNetworkEntities(void)
 924 {
 925         entity_t *ent;
 926         int i;
 927
 928         ent = &cl.viewent;
 929         ent->state_previous = ent->state_current;
 930         ent->state_current = defaultstate;
 931         ent->state_current.time = cl.time;
 932         ent->state_current.number = -1;
 933         ent->state_current.active = true;
 934         ent->state_current.modelindex = cl.stats[STAT_WEAPON];
 935         ent->state_current.frame = cl.stats[STAT_WEAPONFRAME];
 936         ent->state_current.flags = RENDER_VIEWMODEL;
 937         if (cl.stats[STAT_HEALTH] <= 0 || cl.intermission)
 938                 ent->state_current.modelindex = 0;
 939         else if (cl.items & IT_INVISIBILITY)
 940         {
 941                 if (gamemode == GAME_TRANSFUSION)
 942                         ent->state_current.alpha = 128;
 943                 else
 944                         ent->state_current.modelindex = 0;
 945         }
 946
 947         // start on the entity after the world
 948         entitylinkframenumber++;
 949         for (i = 1, ent = cl_entities + 1;i < MAX_EDICTS;i++, ent++)
 950         {
 951                 if (cl_entities_active[i])
 952                 {
 953                         if (ent->state_current.active)
 954                                 CL_LinkNetworkEntity(ent);
 955                         else
 956                                 cl_entities_active[i] = false;
 957                 }
 958         }
 959         CL_LinkNetworkEntity(&cl.viewent);
 960 }
 961
 962 static void CL_RelinkEffects(void)
 963 {
 964         int i, intframe;
 965         cl_effect_t *e;
 966         entity_t *ent;
 967         float frame;
 968
 969         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
 970         {
 971                 if (e->active)
 972                 {
 973                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
 974                         intframe = frame;
 975                         if (intframe < 0 || intframe >= e->endframe)
 976                         {
 977                                 memset(e, 0, sizeof(*e));
 978                                 continue;
 979                         }
 980
 981                         if (intframe != e->frame)
 982                         {
 983                                 e->frame = intframe;
 984                                 e->frame1time = e->frame2time;
 985                                 e->frame2time = cl.time;
 986                         }
 987
 988                         // if we're drawing effects, get a new temp entity
 989                         // (NewTempEntity adds it to the render entities list for us)
 990                         if (r_draweffects.integer && (ent = CL_NewTempEntity()))
 991                         {
 992                                 // interpolation stuff
 993                                 ent->render.frame1 = intframe;
 994                                 ent->render.frame2 = intframe + 1;
 995                                 if (ent->render.frame2 >= e->endframe)
 996                                         ent->render.frame2 = -1; // disappear
 997                                 ent->render.framelerp = frame - intframe;
 998                                 ent->render.frame1time = e->frame1time;
 999                                 ent->render.frame2time = e->frame2time;
1000
1001                                 // normal stuff
1002                                 ent->render.model = cl.model_precache[e->modelindex];
1003                                 ent->render.frame = ent->render.frame2;
1004                                 ent->render.colormap = -1; // no special coloring
1005                                 ent->render.alpha = 1;
1006
1007                                 Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, e->origin[0], e->origin[1], e->origin[2], 0, 0, 0, 1);
1008                                 Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
1009                                 CL_BoundingBoxForEntity(&ent->render);
1010                         }
1011                 }
1012         }
1013 }
1014
1015 void CL_RelinkBeams(void)
1016 {
1017         int i;
1018         beam_t *b;
1019         vec3_t dist, org;
1020         float d;
1021         entity_t *ent;
1022         float yaw, pitch;
1023         float forward;
1024         matrix4x4_t tempmatrix;
1025
1026         for (i = 0, b = cl_beams;i < cl_max_beams;i++, b++)
1027         {
1028                 if (!b->model || b->endtime < cl.time)
1029                         continue;
1030
1031                 // if coming from the player, update the start position
1032                 //if (b->entity == cl.viewentity)
1033                 //      VectorCopy (cl_entities[cl.viewentity].render.origin, b->start);
1034                 if (cl_beams_relative.integer && b->entity == cl.viewentity && b->entity && cl_entities[b->entity].state_current.active && b->relativestartvalid)
1035                 {
1036                         entity_state_t *p = &cl_entities[b->entity].state_previous;
1037                         //entity_state_t *c = &cl_entities[b->entity].state_current;
1038                         entity_render_t *r = &cl_entities[b->entity].render;
1039                         matrix4x4_t matrix, imatrix;
1040                         if (b->relativestartvalid == 2)
1041                         {
1042                                 // not really valid yet, we need to get the orientation now
1043                                 // (ParseBeam flagged this because it is received before
1044                                 //  entities are received, by now they have been received)
1045                                 // note: because players create lightning in their think
1046                                 // function (which occurs before movement), they actually
1047                                 // have some lag in it's location, so compare to the
1048                                 // previous player state, not the latest
1049                                 if (b->entity == cl.viewentity)
1050                                         Matrix4x4_CreateFromQuakeEntity(&matrix, p->origin[0], p->origin[1], p->origin[2] + 16, cl.viewangles[0], cl.viewangles[1], cl.viewangles[2], 1);
1051                                 else
1052                                         Matrix4x4_CreateFromQuakeEntity(&matrix, p->origin[0], p->origin[1], p->origin[2] + 16, p->angles[0], p->angles[1], p->angles[2], 1);
1053                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1054                                 Matrix4x4_Transform(&imatrix, b->start, b->relativestart);
1055                                 Matrix4x4_Transform(&imatrix, b->end, b->relativeend);
1056                                 b->relativestartvalid = 1;
1057                         }
1058                         else
1059                         {
1060                                 if (b->entity == cl.viewentity)
1061                                         Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, cl.viewangles[0], cl.viewangles[1], cl.viewangles[2], 1);
1062                                 else
1063                                         Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, r->angles[0], r->angles[1], r->angles[2], 1);
1064                                 Matrix4x4_Transform(&matrix, b->relativestart, b->start);
1065                                 Matrix4x4_Transform(&matrix, b->relativeend, b->end);
1066                         }
1067                 }
1068
1069                 if (b->lightning)
1070                 {
1071                         if (cl_beams_lightatend.integer)
1072                         {
1073                                 // FIXME: create a matrix from the beam start/end orientation
1074                                 Matrix4x4_CreateTranslate(&tempmatrix, b->end[0], b->end[1], b->end[2]);
1075                                 CL_AllocDlight (NULL, &tempmatrix, 200, 0.3, 0.7, 1, 0, 0, 0, 0, true, 1);
1076                         }
1077                         if (cl_beams_polygons.integer)
1078                                 continue;
1079                 }
1080
1081                 // calculate pitch and yaw
1082                 VectorSubtract (b->end, b->start, dist);
1083
1084                 if (dist[1] == 0 && dist[0] == 0)
1085                 {
1086                         yaw = 0;
1087                         if (dist[2] > 0)
1088                                 pitch = 90;
1089                         else
1090                                 pitch = 270;
1091                 }
1092                 else
1093                 {
1094                         yaw = (int) (atan2(dist[1], dist[0]) * 180 / M_PI);
1095                         if (yaw < 0)
1096                                 yaw += 360;
1097
1098                         forward = sqrt (dist[0]*dist[0] + dist[1]*dist[1]);
1099                         pitch = (int) (atan2(dist[2], forward) * 180 / M_PI);
1100                         if (pitch < 0)
1101                                 pitch += 360;
1102                 }
1103
1104                 // add new entities for the lightning
1105                 VectorCopy (b->start, org);
1106                 d = VectorNormalizeLength(dist);
1107                 while (d > 0)
1108                 {
1109                         ent = CL_NewTempEntity ();
1110                         if (!ent)
1111                                 return;
1112                         //VectorCopy (org, ent->render.origin);
1113                         ent->render.model = b->model;
1114                         //ent->render.effects = EF_FULLBRIGHT;
1115                         //ent->render.angles[0] = pitch;
1116                         //ent->render.angles[1] = yaw;
1117                         //ent->render.angles[2] = rand()%360;
1118                         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, org[0], org[1], org[2], -pitch, yaw, lhrandom(0, 360), 1);
1119                         Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
1120                         CL_BoundingBoxForEntity(&ent->render);
1121                         VectorMA(org, 30, dist, org);
1122                         d -= 30;
1123                 }
1124         }
1125 }
1126
1127 void CL_LerpPlayer(float frac)
1128 {
1129         int i;
1130         float d;
1131
1132         cl.viewzoom = cl.viewzoomold + frac * (cl.viewzoomnew - cl.viewzoomold);
1133
1134         for (i = 0;i < 3;i++)
1135                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
1136
1137         if (cls.demoplayback)
1138         {
1139                 // interpolate the angles
1140                 for (i = 0;i < 3;i++)
1141                 {
1142                         d = cl.mviewangles[0][i] - cl.mviewangles[1][i];
1143                         if (d > 180)
1144                                 d -= 360;
1145                         else if (d < -180)
1146                                 d += 360;
1147                         cl.viewangles[i] = cl.mviewangles[1][i] + frac * d;
1148                 }
1149         }
1150 }
1151
1152 /*
1153 ===============
1154 CL_ReadFromServer
1155
1156 Read all incoming data from the server
1157 ===============
1158 */
1159 int CL_ReadFromServer(void)
1160 {
1161         CL_ReadDemoMessage();
1162
1163         r_refdef.numentities = 0;
1164         cl_num_entities = 0;
1165         cl_num_brushmodel_entities = 0;
1166
1167         if (cls.state == ca_connected && cls.signon == SIGNONS)
1168         {
1169                 // prepare for a new frame
1170                 CL_LerpPlayer(CL_LerpPoint());
1171                 CL_DecayLights();
1172                 CL_ClearTempEntities();
1173                 V_DriftPitch();
1174                 V_FadeViewFlashs();
1175
1176                 // relink network entities (note: this sets up the view!)
1177                 CL_RelinkNetworkEntities();
1178
1179                 // move particles
1180                 CL_MoveParticles();
1181                 R_MoveExplosions();
1182
1183                 // link stuff
1184                 CL_RelinkWorld();
1185                 CL_RelinkStaticEntities();
1186                 CL_RelinkBeams();
1187                 CL_RelinkEffects();
1188
1189                 // run cgame code (which can add more entities)
1190                 CL_CGVM_Frame();
1191
1192                 // update view blend
1193                 V_CalcViewBlend();
1194         }
1195
1196         return 0;
1197 }
1198
1199 /*
1200 =================
1201 CL_SendCmd
1202 =================
1203 */
1204 void CL_SendCmd(usercmd_t *cmd)
1205 {
1206         if (cls.signon == SIGNONS)
1207                 CL_SendMove(cmd);
1208
1209         if (cls.demoplayback)
1210         {
1211                 SZ_Clear(&cls.message);
1212                 return;
1213         }
1214
1215         // send the reliable message (forwarded commands) if there is one
1216         if (cls.message.cursize && NetConn_CanSendMessage(cls.netcon))
1217         {
1218                 if (developer.integer)
1219                 {
1220                         Con_Print("CL_SendCmd: sending reliable message:\n");
1221                         SZ_HexDumpToConsole(&cls.message);
1222                 }
1223                 if (NetConn_SendReliableMessage(cls.netcon, &cls.message) == -1)
1224                         Host_Error("CL_WriteToServer: lost server connection");
1225                 SZ_Clear(&cls.message);
1226         }
1227 }
1228
1229 // LordHavoc: pausedemo command
1230 static void CL_PauseDemo_f (void)
1231 {
1232         cls.demopaused = !cls.demopaused;
1233         if (cls.demopaused)
1234                 Con_Print("Demo paused\n");
1235         else
1236                 Con_Print("Demo unpaused\n");
1237 }
1238
1239 /*
1240 ======================
1241 CL_Fog_f
1242 ======================
1243 */
1244 static void CL_Fog_f (void)
1245 {
1246         if (Cmd_Argc () == 1)
1247         {
1248                 Con_Printf("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
1249                 return;
1250         }
1251         fog_density = atof(Cmd_Argv(1));
1252         fog_red = atof(Cmd_Argv(2));
1253         fog_green = atof(Cmd_Argv(3));
1254         fog_blue = atof(Cmd_Argv(4));
1255 }
1256
1257 /*
1258 =================
1259 CL_Init
1260 =================
1261 */
1262 //VorteX: cvars for GAME_NETHERWORLD
1263 cvar_t cl_playermodel = {CVAR_SAVE, "cl_playermodel", "ranger"};
1264 cvar_t cl_footsteps = {CVAR_SAVE, "cl_footsteps", "1"};
1265 cvar_t cl_weapon_ofs = {CVAR_SAVE, "cl_weapon_ofs", "0 0 0"};
1266 cvar_t cl_weapon_bstep = {CVAR_SAVE, "cl_weapon_bstep", "100 0 0"};
1267 cvar_t cl_weapon_bborder = {CVAR_SAVE, "cl_weapon_bborder", "2 0 0"};
1268 cvar_t cl_weapon_bphase = {CVAR_SAVE, "cl_weapon_bphase", "0 0 0"};
1269 cvar_t cl_weapon_bphasescale = {CVAR_SAVE, "cl_weapon_bphasescale", "1 1 1"};
1270 cvar_t cl_weapon_bphasescissor = {CVAR_SAVE, "cl_weapon_bphasescissor", "-1 -1 -1 1 1 1"};
1271 cvar_t cl_deathcam = {CVAR_SAVE, "cl_deathcam", "0"};
1272 cvar_t cl_askonresave = {CVAR_SAVE, "cl_askonresave", "1"};  //Asking on saving to full saveslot in savegame menu
1273 cvar_t sv_corpses_solid = {CVAR_SAVE, "sv_corpses_solid", "1"};
1274 cvar_t sv_corpses_removetime = {CVAR_SAVE, "sv_corpses_removetime", "0"};
1275 cvar_t sv_monsters_healthscale = {CVAR_SAVE, "sv_monsters_healthscale", "1"};
1276 cvar_t sv_monsters_damagescale = {CVAR_SAVE, "sv_monsters_damagescale", "1"};
1277 cvar_t sv_monsters_multiply = {CVAR_SAVE, "sv_monsters_multiply", "1"};
1278 cvar_t sv_monsters_randomize = {CVAR_SAVE, "sv_monsters_randomize", "0"};
1279 cvar_t sv_monsters_multiply_radius = {CVAR_SAVE, "sv_monsters_multiply_radius", "5"};
1280 cvar_t sv_monsters_ai_skillmod = {CVAR_SAVE, "sv_monsters_ai_skillmod", "1"};
1281 cvar_t sv_monsters_ai_agrmod = {CVAR_SAVE, "sv_monsters_ai_agrmod", "1"};
1282 cvar_t sv_monsters_ai_dexmod = {CVAR_SAVE, "sv_monsters_ai_dexmod", "1"};
1283 cvar_t sv_monsters_deathmatch = {CVAR_SAVE, "sv_monsters_deathmatch", "0"};
1284 cvar_t sv_monsters_deathmatch_maxnum = {CVAR_SAVE, "sv_monsters_deathmatch_maxnum", "20"};
1285 cvar_t sv_monsters_deathmatch_spawntime = {CVAR_SAVE, "sv_monsters_deathmatch_spawntime", "5"};
1286 cvar_t sv_monsters_deathmatch_fragpermonster = {CVAR_SAVE, "sv_monsters_deathmatch_fragpermonster", "0"};
1287
1288 void CL_Init (void)
1289 {
1290         cl_entities_mempool = Mem_AllocPool("client entities", 0, NULL);
1291         cl_refdef_mempool = Mem_AllocPool("refdef", 0, NULL);
1292
1293         memset(&r_refdef, 0, sizeof(r_refdef));
1294         // max entities sent to renderer per frame
1295         r_refdef.maxentities = MAX_EDICTS + 256 + 512;
1296         r_refdef.entities = Mem_Alloc(cl_refdef_mempool, sizeof(entity_render_t *) * r_refdef.maxentities);
1297         // 256k drawqueue buffer
1298         r_refdef.maxdrawqueuesize = 256 * 1024;
1299         r_refdef.drawqueue = Mem_Alloc(cl_refdef_mempool, r_refdef.maxdrawqueuesize);
1300
1301         SZ_Alloc (&cls.message, 1024, "cls.message");
1302
1303         CL_InitInput ();
1304         CL_InitTEnts ();
1305
1306 //
1307 // register our commands
1308 //
1309         Cvar_RegisterVariable (&cl_upspeed);
1310         Cvar_RegisterVariable (&cl_forwardspeed);
1311         Cvar_RegisterVariable (&cl_backspeed);
1312         Cvar_RegisterVariable (&cl_sidespeed);
1313         Cvar_RegisterVariable (&cl_movespeedkey);
1314         Cvar_RegisterVariable (&cl_yawspeed);
1315         Cvar_RegisterVariable (&cl_pitchspeed);
1316         Cvar_RegisterVariable (&cl_anglespeedkey);
1317         Cvar_RegisterVariable (&cl_shownet);
1318         Cvar_RegisterVariable (&cl_nolerp);
1319         Cvar_RegisterVariable (&lookspring);
1320         Cvar_RegisterVariable (&lookstrafe);
1321         Cvar_RegisterVariable (&sensitivity);
1322         Cvar_RegisterVariable (&freelook);
1323
1324         Cvar_RegisterVariable (&m_pitch);
1325         Cvar_RegisterVariable (&m_yaw);
1326         Cvar_RegisterVariable (&m_forward);
1327         Cvar_RegisterVariable (&m_side);
1328
1329         Cvar_RegisterVariable (&cl_itembobspeed);
1330         Cvar_RegisterVariable (&cl_itembobheight);
1331
1332         Cmd_AddCommand ("entities", CL_PrintEntities_f);
1333         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
1334         Cmd_AddCommand ("record", CL_Record_f);
1335         Cmd_AddCommand ("stop", CL_Stop_f);
1336         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
1337         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
1338
1339         Cmd_AddCommand ("fog", CL_Fog_f);
1340
1341         // LordHavoc: added pausedemo
1342         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
1343
1344         Cvar_RegisterVariable(&r_draweffects);
1345         Cvar_RegisterVariable(&cl_explosions_alpha_start);
1346         Cvar_RegisterVariable(&cl_explosions_alpha_end);
1347         Cvar_RegisterVariable(&cl_explosions_size_start);
1348         Cvar_RegisterVariable(&cl_explosions_size_end);
1349         Cvar_RegisterVariable(&cl_explosions_lifetime);
1350         Cvar_RegisterVariable(&cl_stainmaps);
1351         Cvar_RegisterVariable(&cl_stainmapsclearonload);
1352         Cvar_RegisterVariable(&cl_beams_polygons);
1353         Cvar_RegisterVariable(&cl_beams_relative);
1354         Cvar_RegisterVariable(&cl_beams_lightatend);
1355         Cvar_RegisterVariable(&cl_noplayershadow);
1356
1357         if (gamemode == GAME_NETHERWORLD)
1358         {
1359                 Cvar_RegisterVariable (&cl_playermodel);
1360                 Cvar_RegisterVariable (&cl_footsteps);
1361                 Cvar_RegisterVariable (&cl_weapon_ofs);
1362                 Cvar_RegisterVariable (&cl_weapon_bstep);
1363                 Cvar_RegisterVariable (&cl_weapon_bborder);
1364                 Cvar_RegisterVariable (&cl_weapon_bphase);
1365                 Cvar_RegisterVariable (&cl_weapon_bphasescale);
1366                 Cvar_RegisterVariable (&cl_weapon_bphasescissor);
1367                 Cvar_RegisterVariable (&cl_deathcam);    //Hack for q3-style death
1368                 Cvar_RegisterVariable (&cl_askonresave); //Every time ask if saving to "full" saveslot
1369                 //This must be server-side cvars, after complete finishing of subsystems whitch uses this, they must be moved to server-side
1370                 Cvar_RegisterVariable (&sv_monsters_healthscale);
1371                 Cvar_RegisterVariable (&sv_monsters_damagescale);
1372                 Cvar_RegisterVariable (&sv_monsters_randomize);
1373                 Cvar_RegisterVariable (&sv_monsters_multiply);
1374                 Cvar_RegisterVariable (&sv_monsters_multiply_radius);
1375                 Cvar_RegisterVariable (&sv_monsters_ai_skillmod);
1376                 Cvar_RegisterVariable (&sv_monsters_ai_agrmod);
1377                 Cvar_RegisterVariable (&sv_monsters_ai_dexmod);
1378                 Cvar_RegisterVariable (&sv_monsters_deathmatch); //Keeping RPG mod
1379                 Cvar_RegisterVariable (&sv_monsters_deathmatch_maxnum);
1380                 Cvar_RegisterVariable (&sv_monsters_deathmatch_spawntime);
1381                 Cvar_RegisterVariable (&sv_monsters_deathmatch_fragpermonster);
1382                 Cvar_RegisterVariable (&sv_corpses_solid);
1383         }
1384
1385         CL_Parse_Init();
1386         CL_Particles_Init();
1387         CL_Screen_Init();
1388         CL_CGVM_Init();
1389
1390         CL_Video_Init();
1391 }
1392
1393
1394