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