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
  57 cvar_t cl_beams_polygons = {CVAR_SAVE, "cl_beams_polygons", "1"};
  58 cvar_t cl_beams_relative = {CVAR_SAVE, "cl_beams_relative", "1"};
  59 cvar_t cl_beams_lightatend = {CVAR_SAVE, "cl_beams_lightatend", "0"};
  60
  61 cvar_t cl_noplayershadow = {CVAR_SAVE, "cl_noplayershadow", "0"};
  62
  63 mempool_t *cl_refdef_mempool;
  64 mempool_t *cl_entities_mempool;
  65
  66 client_static_t cls;
  67 client_state_t  cl;
  68
  69 int cl_max_entities;
  70 int cl_max_static_entities;
  71 int cl_max_temp_entities;
  72 int cl_max_effects;
  73 int cl_max_beams;
  74 int cl_max_dlights;
  75 int cl_max_lightstyle;
  76 int cl_max_brushmodel_entities;
  77
  78 entity_t *cl_entities;
  79 qbyte *cl_entities_active;
  80 entity_t *cl_static_entities;
  81 entity_t *cl_temp_entities;
  82 cl_effect_t *cl_effects;
  83 beam_t *cl_beams;
  84 dlight_t *cl_dlights;
  85 lightstyle_t *cl_lightstyle;
  86 entity_render_t **cl_brushmodel_entities;
  87
  88 int cl_num_entities;
  89 int cl_num_static_entities;
  90 int cl_num_temp_entities;
  91 int cl_num_brushmodel_entities;
  92
  93 /*
  94 =====================
  95 CL_ClearState
  96
  97 =====================
  98 */
  99 void CL_ClearState(void)
 100 {
 101         int i;
 102
 103         if (!sv.active)
 104                 Host_ClearMemory ();
 105
 106         // note: this also gets rid of the entity database
 107         Mem_EmptyPool(cl_entities_mempool);
 108
 109 // wipe the entire cl structure
 110         memset (&cl, 0, sizeof(cl));
 111         // reset the view zoom interpolation
 112         cl.viewzoomold = cl.viewzoomnew = 1;
 113
 114         SZ_Clear (&cls.message);
 115
 116         cl_num_entities = 0;
 117         cl_num_static_entities = 0;
 118         cl_num_temp_entities = 0;
 119         cl_num_brushmodel_entities = 0;
 120
 121         // tweak these if the game runs out
 122         cl_max_entities = MAX_EDICTS;
 123         cl_max_static_entities = 256;
 124         cl_max_temp_entities = 512;
 125         cl_max_effects = 256;
 126         cl_max_beams = 256;
 127         cl_max_dlights = MAX_DLIGHTS;
 128         cl_max_lightstyle = MAX_LIGHTSTYLES;
 129         cl_max_brushmodel_entities = MAX_EDICTS;
 130
 131         cl_entities = Mem_Alloc(cl_entities_mempool, cl_max_entities * sizeof(entity_t));
 132         cl_entities_active = Mem_Alloc(cl_entities_mempool, cl_max_entities * sizeof(qbyte));
 133         cl_static_entities = Mem_Alloc(cl_entities_mempool, cl_max_static_entities * sizeof(entity_t));
 134         cl_temp_entities = Mem_Alloc(cl_entities_mempool, cl_max_temp_entities * sizeof(entity_t));
 135         cl_effects = Mem_Alloc(cl_entities_mempool, cl_max_effects * sizeof(cl_effect_t));
 136         cl_beams = Mem_Alloc(cl_entities_mempool, cl_max_beams * sizeof(beam_t));
 137         cl_dlights = Mem_Alloc(cl_entities_mempool, cl_max_dlights * sizeof(dlight_t));
 138         cl_lightstyle = Mem_Alloc(cl_entities_mempool, cl_max_lightstyle * sizeof(lightstyle_t));
 139         cl_brushmodel_entities = Mem_Alloc(cl_entities_mempool, cl_max_brushmodel_entities * sizeof(entity_render_t *));
 140
 141         CL_Screen_NewMap();
 142
 143         CL_Particles_Clear();
 144
 145         // LordHavoc: have to set up the baseline info for alpha and other stuff
 146         for (i = 0;i < cl_max_entities;i++)
 147         {
 148                 ClearStateToDefault(&cl_entities[i].state_baseline);
 149                 ClearStateToDefault(&cl_entities[i].state_previous);
 150                 ClearStateToDefault(&cl_entities[i].state_current);
 151         }
 152
 153         CL_CGVM_Clear();
 154 }
 155
 156 /*
 157 =====================
 158 CL_Disconnect
 159
 160 Sends a disconnect message to the server
 161 This is also called on Host_Error, so it shouldn't cause any errors
 162 =====================
 163 */
 164 void CL_Disconnect(void)
 165 {
 166         if (cls.state == ca_dedicated)
 167                 return;
 168
 169         Con_DPrintf("CL_Disconnect\n");
 170
 171 // stop sounds (especially looping!)
 172         S_StopAllSounds (true);
 173
 174         // clear contents blends
 175         cl.cshifts[0].percent = 0;
 176         cl.cshifts[1].percent = 0;
 177         cl.cshifts[2].percent = 0;
 178         cl.cshifts[3].percent = 0;
 179
 180         cl.worldmodel = NULL;
 181
 182         if (cls.demoplayback)
 183                 CL_StopPlayback();
 184         else if (cls.netcon)
 185         {
 186                 if (cls.demorecording)
 187                         CL_Stop_f();
 188
 189                 Con_DPrint("Sending clc_disconnect\n");
 190                 SZ_Clear(&cls.message);
 191                 MSG_WriteByte(&cls.message, clc_disconnect);
 192                 NetConn_SendUnreliableMessage(cls.netcon, &cls.message);
 193                 SZ_Clear(&cls.message);
 194                 NetConn_Close(cls.netcon);
 195                 cls.netcon = NULL;
 196         }
 197         cls.state = ca_disconnected;
 198
 199         cls.demoplayback = cls.timedemo = false;
 200         cls.signon = 0;
 201 }
 202
 203 void CL_Disconnect_f(void)
 204 {
 205         CL_Disconnect ();
 206         if (sv.active)
 207                 Host_ShutdownServer (false);
 208 }
 209
 210
 211
 212
 213 /*
 214 =====================
 215 CL_EstablishConnection
 216
 217 Host should be either "local" or a net address
 218 =====================
 219 */
 220 void CL_EstablishConnection(const char *host)
 221 {
 222         if (cls.state == ca_dedicated)
 223                 return;
 224
 225         // clear menu's connect error message
 226         m_return_reason[0] = 0;
 227         cls.demonum = -1;
 228
 229         // stop demo loop in case this fails
 230         CL_Disconnect();
 231         NetConn_ClientFrame();
 232         NetConn_ServerFrame();
 233
 234         if (LHNETADDRESS_FromString(&cls.connect_address, host, 26000) && (cls.connect_mysocket = NetConn_ChooseClientSocketForAddress(&cls.connect_address)))
 235         {
 236                 cls.connect_trying = true;
 237                 cls.connect_remainingtries = 3;
 238                 cls.connect_nextsendtime = 0;
 239                 if (sv.active)
 240                 {
 241                         NetConn_ClientFrame();
 242                         NetConn_ServerFrame();
 243                         NetConn_ClientFrame();
 244                         NetConn_ServerFrame();
 245                         NetConn_ClientFrame();
 246                         NetConn_ServerFrame();
 247                         NetConn_ClientFrame();
 248                         NetConn_ServerFrame();
 249                 }
 250         }
 251         else
 252         {
 253                 Con_Print("Unable to find a suitable network socket to connect to server.\n");
 254                 strcpy(m_return_reason, "No network");
 255         }
 256 }
 257
 258 /*
 259 ==============
 260 CL_PrintEntities_f
 261 ==============
 262 */
 263 static void CL_PrintEntities_f(void)
 264 {
 265         entity_t *ent;
 266         int i, j;
 267         char name[32];
 268
 269         for (i = 0, ent = cl_entities;i < cl_num_entities;i++, ent++)
 270         {
 271                 if (!ent->state_current.active)
 272                         continue;
 273
 274                 if (ent->render.model)
 275                         strlcpy (name, ent->render.model->name, 25);
 276                 else
 277                         strcpy(name, "--no model--");
 278                 for (j = strlen(name);j < 25;j++)
 279                         name[j] = ' ';
 280                 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);
 281         }
 282 }
 283
 284 //static const vec3_t nomodelmins = {-16, -16, -16};
 285 //static const vec3_t nomodelmaxs = {16, 16, 16};
 286 void CL_BoundingBoxForEntity(entity_render_t *ent)
 287 {
 288         if (ent->model)
 289         {
 290                 //if (ent->angles[0] || ent->angles[2])
 291                 if (ent->matrix.m[2][0] != 0 || ent->matrix.m[2][1] != 0)
 292                 {
 293                         // pitch or roll
 294                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->rotatedmins[0];
 295                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->rotatedmins[1];
 296                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->rotatedmins[2];
 297                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->rotatedmaxs[0];
 298                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->rotatedmaxs[1];
 299                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->rotatedmaxs[2];
 300                         //VectorAdd(ent->origin, ent->model->rotatedmins, ent->mins);
 301                         //VectorAdd(ent->origin, ent->model->rotatedmaxs, ent->maxs);
 302                 }
 303                 //else if (ent->angles[1])
 304                 else if (ent->matrix.m[0][1] != 0 || ent->matrix.m[1][0] != 0)
 305                 {
 306                         // yaw
 307                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->yawmins[0];
 308                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->yawmins[1];
 309                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->yawmins[2];
 310                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->yawmaxs[0];
 311                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->yawmaxs[1];
 312                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->yawmaxs[2];
 313                         //VectorAdd(ent->origin, ent->model->yawmins, ent->mins);
 314                         //VectorAdd(ent->origin, ent->model->yawmaxs, ent->maxs);
 315                 }
 316                 else
 317                 {
 318                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->normalmins[0];
 319                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->normalmins[1];
 320                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->normalmins[2];
 321                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->normalmaxs[0];
 322                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->normalmaxs[1];
 323                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->normalmaxs[2];
 324                         //VectorAdd(ent->origin, ent->model->normalmins, ent->mins);
 325                         //VectorAdd(ent->origin, ent->model->normalmaxs, ent->maxs);
 326                 }
 327         }
 328         else
 329         {
 330                 ent->mins[0] = ent->matrix.m[0][3] - 16;
 331                 ent->mins[1] = ent->matrix.m[1][3] - 16;
 332                 ent->mins[2] = ent->matrix.m[2][3] - 16;
 333                 ent->maxs[0] = ent->matrix.m[0][3] + 16;
 334                 ent->maxs[1] = ent->matrix.m[1][3] + 16;
 335                 ent->maxs[2] = ent->matrix.m[2][3] + 16;
 336                 //VectorAdd(ent->origin, nomodelmins, ent->mins);
 337                 //VectorAdd(ent->origin, nomodelmaxs, ent->maxs);
 338         }
 339 }
 340
 341 /*
 342 ===============
 343 CL_LerpPoint
 344
 345 Determines the fraction between the last two messages that the objects
 346 should be put at.
 347 ===============
 348 */
 349 static float CL_LerpPoint(void)
 350 {
 351         float f;
 352
 353         // dropped packet, or start of demo
 354         if (cl.mtime[1] < cl.mtime[0] - 0.1)
 355                 cl.mtime[1] = cl.mtime[0] - 0.1;
 356
 357         cl.time = bound(cl.mtime[1], cl.time, cl.mtime[0]);
 358
 359         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 360         f = cl.mtime[0] - cl.mtime[1];
 361         if (!f || cl_nolerp.integer || cls.timedemo || cl.islocalgame)
 362         {
 363                 cl.time = cl.mtime[0];
 364                 return 1;
 365         }
 366
 367         f = (cl.time - cl.mtime[1]) / f;
 368         return bound(0, f, 1);
 369 }
 370
 371 void CL_ClearTempEntities (void)
 372 {
 373         cl_num_temp_entities = 0;
 374 }
 375
 376 entity_t *CL_NewTempEntity(void)
 377 {
 378         entity_t *ent;
 379
 380         if (r_refdef.numentities >= r_refdef.maxentities)
 381                 return NULL;
 382         if (cl_num_temp_entities >= cl_max_temp_entities)
 383                 return NULL;
 384         ent = &cl_temp_entities[cl_num_temp_entities++];
 385         memset (ent, 0, sizeof(*ent));
 386         r_refdef.entities[r_refdef.numentities++] = &ent->render;
 387
 388         ent->render.colormap = -1; // no special coloring
 389         ent->render.scale = 1;
 390         ent->render.alpha = 1;
 391         return ent;
 392 }
 393
 394 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
 395 {
 396         int i;
 397         cl_effect_t *e;
 398         if (!modelindex) // sanity check
 399                 return;
 400         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
 401         {
 402                 if (e->active)
 403                         continue;
 404                 e->active = true;
 405                 VectorCopy(org, e->origin);
 406                 e->modelindex = modelindex;
 407                 e->starttime = cl.time;
 408                 e->startframe = startframe;
 409                 e->endframe = startframe + framecount;
 410                 e->framerate = framerate;
 411
 412                 e->frame = 0;
 413                 e->frame1time = cl.time;
 414                 e->frame2time = cl.time;
 415                 break;
 416         }
 417 }
 418
 419 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)
 420 {
 421         int i;
 422         dlight_t *dl;
 423
 424         /*
 425 // first look for an exact key match
 426         if (ent)
 427         {
 428                 dl = cl_dlights;
 429                 for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 430                         if (dl->ent == ent)
 431                                 goto dlightsetup;
 432         }
 433         */
 434
 435 // then look for anything else
 436         dl = cl_dlights;
 437         for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 438                 if (!dl->radius)
 439                         goto dlightsetup;
 440
 441         // unable to find one
 442         return;
 443
 444 dlightsetup:
 445         //Con_Printf("dlight %i : %f %f %f : %f %f %f\n", i, org[0], org[1], org[2], red * radius, green * radius, blue * radius);
 446         memset (dl, 0, sizeof(*dl));
 447         dl->matrix = *matrix;
 448         dl->ent = ent;
 449         dl->origin[0] = dl->matrix.m[0][3];
 450         dl->origin[1] = dl->matrix.m[1][3];
 451         dl->origin[2] = dl->matrix.m[2][3];
 452         CL_FindNonSolidLocation(dl->origin, dl->origin, 6);
 453         dl->matrix.m[0][3] = dl->origin[0];
 454         dl->matrix.m[1][3] = dl->origin[1];
 455         dl->matrix.m[2][3] = dl->origin[2];
 456         dl->radius = radius;
 457         dl->color[0] = red;
 458         dl->color[1] = green;
 459         dl->color[2] = blue;
 460         dl->decay = decay;
 461         if (lifetime)
 462                 dl->die = cl.time + lifetime;
 463         else
 464                 dl->die = 0;
 465         dl->cubemapnum = cubemapnum;
 466         dl->style = style;
 467         dl->shadow = shadowenable;
 468         dl->corona = corona;
 469 }
 470
 471 void CL_DecayLights(void)
 472 {
 473         int i;
 474         dlight_t *dl;
 475         float time;
 476
 477         time = cl.time - cl.oldtime;
 478         for (i = 0, dl = cl_dlights;i < MAX_DLIGHTS;i++, dl++)
 479                 if (dl->radius)
 480                         dl->radius = (cl.time < dl->die) ? max(0, dl->radius - time * dl->decay) : 0;
 481 }
 482
 483 #define MAXVIEWMODELS 32
 484 entity_t *viewmodels[MAXVIEWMODELS];
 485 int numviewmodels;
 486
 487 matrix4x4_t viewmodelmatrix;
 488
 489 static int entitylinkframenumber;
 490
 491 static const vec3_t muzzleflashorigin = {18, 0, 0};
 492
 493 extern void V_DriftPitch(void);
 494 extern void V_FadeViewFlashs(void);
 495 extern void V_CalcViewBlend(void);
 496
 497 extern void V_CalcRefdef(void);
 498 // note this is a recursive function, but it can never get in a runaway loop (because of the delayedlink flags)
 499 void CL_LinkNetworkEntity(entity_t *e)
 500 {
 501         matrix4x4_t *matrix, blendmatrix, tempmatrix, matrix2;
 502         //matrix4x4_t dlightmatrix;
 503         int j, k, l, trailtype, temp;
 504         float origin[3], angles[3], delta[3], lerp, dlightcolor[3], dlightradius, mins[3], maxs[3], v[3], v2[3], d;
 505         entity_t *t;
 506         model_t *model;
 507         //entity_persistent_t *p = &e->persistent;
 508         //entity_render_t *r = &e->render;
 509         if (e->persistent.linkframe != entitylinkframenumber)
 510         {
 511                 e->persistent.linkframe = entitylinkframenumber;
 512                 // skip inactive entities and world
 513                 if (!e->state_current.active || e == cl_entities)
 514                         return;
 515                 if (e->render.flags & RENDER_VIEWMODEL)
 516                 {
 517                         if (!r_drawviewmodel.integer || chase_active.integer || envmap)
 518                                 return;
 519                         if (cl.viewentity)
 520                                 CL_LinkNetworkEntity(cl_entities + cl.viewentity);
 521                         matrix = &viewmodelmatrix;
 522                         if (e == &cl.viewent && cl.viewentity >= 0 && cl.viewentity < MAX_EDICTS && cl_entities[cl.viewentity].state_current.active)
 523                         {
 524                                 e->state_current.alpha = cl_entities[cl.viewentity].state_current.alpha;
 525                                 e->state_current.effects = EF_NOSHADOW | (cl_entities[cl.viewentity].state_current.effects & (EF_ADDITIVE | EF_REFLECTIVE | EF_FULLBRIGHT));
 526                         }
 527                 }
 528                 else
 529                 {
 530                         t = cl_entities + e->state_current.tagentity;
 531                         if (!t->state_current.active)
 532                                 return;
 533                         // note: this can link to world
 534                         CL_LinkNetworkEntity(t);
 535                         // make relative to the entity
 536                         matrix = &t->render.matrix;
 537                         // if a valid tagindex is used, make it relative to that tag instead
 538                         // FIXME: use a model function to get tag info (need to handle skeletal)
 539                         if (e->state_current.tagentity && e->state_current.tagindex >= 1 && (model = t->render.model) && e->state_current.tagindex <= t->render.model->alias.aliasnum_tags)
 540                         {
 541                                 // blend the matrices
 542                                 memset(&blendmatrix, 0, sizeof(blendmatrix));
 543                                 for (j = 0;j < 4 && t->render.frameblend[j].lerp > 0;j++)
 544                                 {
 545                                         matrix = &t->render.model->alias.aliasdata_tags[t->render.frameblend[j].frame * t->render.model->alias.aliasnum_tags + (e->state_current.tagindex - 1)].matrix;
 546                                         d = t->render.frameblend[j].lerp;
 547                                         for (l = 0;l < 4;l++)
 548                                                 for (k = 0;k < 4;k++)
 549                                                         blendmatrix.m[l][k] += d * matrix->m[l][k];
 550                                 }
 551                                 // concat the tag matrices onto the entity matrix
 552                                 Matrix4x4_Concat(&tempmatrix, &t->render.matrix, &blendmatrix);
 553                                 // use the constructed tag matrix
 554                                 matrix = &tempmatrix;
 555                         }
 556                 }
 557                 e->render.alpha = e->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 558                 e->render.scale = e->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 559                 e->render.flags = e->state_current.flags;
 560                 if (e - cl_entities == cl.viewentity)
 561                         e->render.flags |= RENDER_EXTERIORMODEL;
 562                 e->render.effects = e->state_current.effects;
 563                 if (e->state_current.flags & RENDER_COLORMAPPED)
 564                         e->render.colormap = e->state_current.colormap;
 565                 else if (cl.scores != NULL && e->state_current.colormap)
 566                         e->render.colormap = cl.scores[e->state_current.colormap - 1].colors; // color it
 567                 else
 568                         e->render.colormap = -1; // no special coloring
 569                 e->render.skinnum = e->state_current.skin;
 570                 // set up the render matrix
 571                 if (e->state_previous.active && e->state_current.modelindex == e->state_previous.modelindex)
 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                         // animation lerp
 591                         if (e->render.frame2 == e->state_current.frame)
 592                         {
 593                                 // update frame lerp fraction
 594                                 e->render.framelerp = 1;
 595                                 if (e->render.frame2time > e->render.frame1time)
 596                                 {
 597                                         e->render.framelerp = (cl.time - e->render.frame2time) / (e->render.frame2time - e->render.frame1time);
 598                                         e->render.framelerp = bound(0, e->render.framelerp, 1);
 599                                 }
 600                         }
 601                         else
 602                         {
 603                                 // begin a new frame lerp
 604                                 e->render.frame1 = e->render.frame2;
 605                                 e->render.frame1time = e->render.frame2time;
 606                                 e->render.frame = e->render.frame2 = e->state_current.frame;
 607                                 e->render.frame2time = cl.time;
 608                                 e->render.framelerp = 0;
 609                                 // make sure frame lerp won't last longer than 100ms
 610                                 // (this mainly helps with models that use framegroups and
 611                                 // switch between them infrequently)
 612                                 e->render.frame1time = max(e->render.frame1time, e->render.frame2time - 0.1f);
 613                         }
 614                 }
 615                 else
 616                 {
 617                         // no interpolation
 618                         VectorCopy(e->persistent.neworigin, origin);
 619                         VectorCopy(e->persistent.newangles, angles);
 620                         e->render.frame = e->render.frame1 = e->render.frame2 = e->state_current.frame;
 621                         e->render.frame1time = e->render.frame2time = cl.time;
 622                         e->render.framelerp = 1;
 623                 }
 624
 625                 e->render.model = cl.model_precache[e->state_current.modelindex];
 626                 if (e->render.model)
 627                 {
 628                         Mod_CheckLoaded(e->render.model);
 629                         // if model is alias or this is a tenebrae-like dlight, reverse pitch direction
 630                         if (e->render.model->type == mod_alias || (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC))
 631                                 angles[0] = -angles[0];
 632                         if ((e->render.model->flags & EF_ROTATE) && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
 633                         {
 634                                 angles[1] = ANGLEMOD(100*cl.time);
 635                                 if (cl_itembobheight.value)
 636                                         origin[2] += (cos(cl.time * cl_itembobspeed.value * (2.0 * M_PI)) + 1.0) * 0.5 * cl_itembobheight.value;
 637                         }
 638                 }
 639
 640                 R_LerpAnimation(&e->render);
 641
 642                 // FIXME: e->render.scale should go away
 643                 Matrix4x4_CreateFromQuakeEntity(&matrix2, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
 644                 // concat the matrices to make the entity relative to its tag
 645                 Matrix4x4_Concat(&e->render.matrix, matrix, &matrix2);
 646                 // make the other useful stuff
 647                 Matrix4x4_Invert_Simple(&e->render.inversematrix, &e->render.matrix);
 648                 CL_BoundingBoxForEntity(&e->render);
 649
 650                 // handle effects now that we know where this entity is in the world...
 651                 origin[0] = e->render.matrix.m[0][3];
 652                 origin[1] = e->render.matrix.m[1][3];
 653                 origin[2] = e->render.matrix.m[2][3];
 654                 trailtype = -1;
 655                 dlightradius = 0;
 656                 dlightcolor[0] = 0;
 657                 dlightcolor[1] = 0;
 658                 dlightcolor[2] = 0;
 659                 // LordHavoc: if the entity has no effects, don't check each
 660                 if (e->render.effects)
 661                 {
 662                         if (e->render.effects & EF_BRIGHTFIELD)
 663                         {
 664                                 if (gamemode == GAME_NEXUIZ)
 665                                 {
 666                                         dlightradius = max(dlightradius, 200);
 667                                         dlightcolor[0] += 0.75f;
 668                                         dlightcolor[1] += 1.50f;
 669                                         dlightcolor[2] += 3.00f;
 670                                         trailtype = 8;
 671                                 }
 672                                 else
 673                                         CL_EntityParticles(e);
 674                         }
 675                         if (e->render.effects & EF_MUZZLEFLASH)
 676                                 e->persistent.muzzleflash = 1.0f;
 677                         if (e->render.effects & EF_DIMLIGHT)
 678                         {
 679                                 dlightradius = max(dlightradius, 200);
 680                                 dlightcolor[0] += 1.50f;
 681                                 dlightcolor[1] += 1.50f;
 682                                 dlightcolor[2] += 1.50f;
 683                         }
 684                         if (e->render.effects & EF_BRIGHTLIGHT)
 685                         {
 686                                 dlightradius = max(dlightradius, 400);
 687                                 dlightcolor[0] += 3.00f;
 688                                 dlightcolor[1] += 3.00f;
 689                                 dlightcolor[2] += 3.00f;
 690                         }
 691                         // LordHavoc: more effects
 692                         if (e->render.effects & EF_RED) // red
 693                         {
 694                                 dlightradius = max(dlightradius, 200);
 695                                 dlightcolor[0] += 1.50f;
 696                                 dlightcolor[1] += 0.15f;
 697                                 dlightcolor[2] += 0.15f;
 698                         }
 699                         if (e->render.effects & EF_BLUE) // blue
 700                         {
 701                                 dlightradius = max(dlightradius, 200);
 702                                 dlightcolor[0] += 0.15f;
 703                                 dlightcolor[1] += 0.15f;
 704                                 dlightcolor[2] += 1.50f;
 705                         }
 706                         if (e->render.effects & EF_FLAME)
 707                         {
 708                                 mins[0] = origin[0] - 16.0f;
 709                                 mins[1] = origin[1] - 16.0f;
 710                                 mins[2] = origin[2] - 16.0f;
 711                                 maxs[0] = origin[0] + 16.0f;
 712                                 maxs[1] = origin[1] + 16.0f;
 713                                 maxs[2] = origin[2] + 16.0f;
 714                                 // how many flames to make
 715                                 temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
 716                                 CL_FlameCube(mins, maxs, temp);
 717                                 d = lhrandom(0.75f, 1);
 718                                 dlightradius = max(dlightradius, 200);
 719                                 dlightcolor[0] += d * 2.0f;
 720                                 dlightcolor[1] += d * 1.5f;
 721                                 dlightcolor[2] += d * 0.5f;
 722                         }
 723                         if (e->render.effects & EF_STARDUST)
 724                         {
 725                                 mins[0] = origin[0] - 16.0f;
 726                                 mins[1] = origin[1] - 16.0f;
 727                                 mins[2] = origin[2] - 16.0f;
 728                                 maxs[0] = origin[0] + 16.0f;
 729                                 maxs[1] = origin[1] + 16.0f;
 730                                 maxs[2] = origin[2] + 16.0f;
 731                                 // how many particles to make
 732                                 temp = (int) (cl.time * 200) - (int) (cl.oldtime * 200);
 733                                 CL_Stardust(mins, maxs, temp);
 734                                 dlightradius = max(dlightradius, 200);
 735                                 dlightcolor[0] += 1.0f;
 736                                 dlightcolor[1] += 0.7f;
 737                                 dlightcolor[2] += 0.3f;
 738                         }
 739                 }
 740                 // muzzleflash fades over time, and is offset a bit
 741                 if (e->persistent.muzzleflash > 0)
 742                 {
 743                         Matrix4x4_Transform(&e->render.matrix, muzzleflashorigin, v2);
 744                         CL_TraceLine(origin, v2, v, NULL, true, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_SKY);
 745                         tempmatrix = e->render.matrix;
 746                         tempmatrix.m[0][3] = v[0];
 747                         tempmatrix.m[1][3] = v[1];
 748                         tempmatrix.m[2][3] = v[2];
 749                         CL_AllocDlight(NULL, &tempmatrix, 100, e->persistent.muzzleflash, e->persistent.muzzleflash, e->persistent.muzzleflash, 0, 0, 0, 0, true, 0);
 750                         e->persistent.muzzleflash -= cl.frametime * 10;
 751                 }
 752                 // LordHavoc: if the model has no flags, don't check each
 753                 if (e->render.model && e->render.model->flags && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
 754                 {
 755                         if (e->render.model->flags & EF_GIB)
 756                                 trailtype = 2;
 757                         else if (e->render.model->flags & EF_ZOMGIB)
 758                                 trailtype = 4;
 759                         else if (e->render.model->flags & EF_TRACER)
 760                         {
 761                                 trailtype = 3;
 762                                 dlightradius = max(dlightradius, 100);
 763                                 dlightcolor[0] += 0.25f;
 764                                 dlightcolor[1] += 1.00f;
 765                                 dlightcolor[2] += 0.25f;
 766                         }
 767                         else if (e->render.model->flags & EF_TRACER2)
 768                         {
 769                                 trailtype = 5;
 770                                 dlightradius = max(dlightradius, 100);
 771                                 dlightcolor[0] += 1.00f;
 772                                 dlightcolor[1] += 0.60f;
 773                                 dlightcolor[2] += 0.20f;
 774                         }
 775                         else if (e->render.model->flags & EF_ROCKET)
 776                         {
 777                                 trailtype = 0;
 778                                 dlightradius = max(dlightradius, 200);
 779                                 dlightcolor[0] += 3.00f;
 780                                 dlightcolor[1] += 1.50f;
 781                                 dlightcolor[2] += 0.50f;
 782                         }
 783                         else if (e->render.model->flags & EF_GRENADE)
 784                         {
 785                                 // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
 786                                 trailtype = e->render.alpha == -1 ? 7 : 1;
 787                         }
 788                         else if (e->render.model->flags & EF_TRACER3)
 789                         {
 790                                 trailtype = 6;
 791                                 if (gamemode == GAME_PRYDON)
 792                                 {
 793                                         dlightradius = max(dlightradius, 100);
 794                                         dlightcolor[0] += 0.30f;
 795                                         dlightcolor[1] += 0.60f;
 796                                         dlightcolor[2] += 1.20f;
 797                                 }
 798                                 else
 799                                 {
 800                                         dlightradius = max(dlightradius, 200);
 801                                         dlightcolor[0] += 1.20f;
 802                                         dlightcolor[1] += 0.50f;
 803                                         dlightcolor[2] += 1.00f;
 804                                 }
 805                         }
 806                 }
 807                 // LordHavoc: customizable glow
 808                 if (e->state_current.glowsize)
 809                 {
 810                         // * 4 for the expansion from 0-255 to 0-1023 range,
 811                         // / 255 to scale down byte colors
 812                         dlightradius = max(dlightradius, e->state_current.glowsize * 4);
 813                         VectorMA(dlightcolor, (1.0f / 255.0f), (qbyte *)&palette_complete[e->state_current.glowcolor], dlightcolor);
 814                 }
 815                 // make the glow dlight
 816                 if (dlightradius > 0 && (dlightcolor[0] || dlightcolor[1] || dlightcolor[2]) && !(e->render.flags & RENDER_VIEWMODEL))
 817                 {
 818                         //dlightmatrix = e->render.matrix;
 819                         // hack to make glowing player light shine on their gun
 820                         //if ((e - cl_entities) == cl.viewentity/* && !chase_active.integer*/)
 821                         //      dlightmatrix.m[2][3] += 30;
 822                         CL_AllocDlight(&e->render, &e->render.matrix, dlightradius, dlightcolor[0], dlightcolor[1], dlightcolor[2], 0, 0, 0, 0, true, 1);
 823                 }
 824                 // custom rtlight
 825                 if (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC)
 826                 {
 827                         float light[4];
 828                         VectorScale(e->state_current.light, (1.0f / 256.0f), light);
 829                         light[3] = e->state_current.light[3];
 830                         if (light[0] == 0 && light[1] == 0 && light[2] == 0)
 831                                 VectorSet(light, 1, 1, 1);
 832                         if (light[3] == 0)
 833                                 light[3] = 350;
 834                         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);
 835                 }
 836                 // trails need the previous frame
 837                 if (e->state_previous.active && e->state_previous.modelindex == e->state_current.modelindex)
 838                 {
 839                         if (e->render.flags & RENDER_GLOWTRAIL)
 840                                 CL_RocketTrail2(e->persistent.trail_origin, origin, e->state_current.glowcolor, e);
 841                         else if (trailtype >= 0)
 842                                 CL_RocketTrail(e->persistent.trail_origin, origin, trailtype, e);
 843                 }
 844                 VectorCopy(origin, e->persistent.trail_origin);
 845                 // note: the cl.viewentity and intermission check is to hide player
 846                 // shadow during intermission and during the Nehahra movie and
 847                 // Nehahra cinematics
 848                 if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE))
 849                  && (e->render.alpha == 1)
 850                  && !(e->render.flags & RENDER_VIEWMODEL)
 851                  && ((e - cl_entities) != cl.viewentity || (!cl.intermission && cl.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 852                         e->render.flags |= RENDER_SHADOW;
 853                 if (!(e->render.effects & EF_FULLBRIGHT))
 854                         e->render.flags |= RENDER_LIGHT;
 855                 // as soon as player is known we can call V_CalcRefDef
 856                 if ((e - cl_entities) == cl.viewentity)
 857                         V_CalcRefdef();
 858                 if (e->render.model && e->render.model->name[0] == '*' && e->render.model->TraceBox)
 859                         cl_brushmodel_entities[cl_num_brushmodel_entities++] = &e->render;
 860                 if (gamemode == GAME_TENEBRAE && e->render.model && e->render.model->type == mod_sprite)
 861                         e->render.effects |= EF_ADDITIVE;
 862                 // don't show entities with no modelindex (note: this still shows
 863                 // entities which have a modelindex that resolved to a NULL model)
 864                 if (e->render.model && !(e->render.effects & EF_NODRAW) && r_refdef.numentities < r_refdef.maxentities)
 865                         r_refdef.entities[r_refdef.numentities++] = &e->render;
 866                 if (cl_num_entities < e->state_current.number + 1)
 867                         cl_num_entities = e->state_current.number + 1;
 868                 //if (cl.viewentity && e - cl_entities == cl.viewentity)
 869                 //      Matrix4x4_Print(&e->render.matrix);
 870         }
 871 }
 872
 873 void CL_RelinkWorld(void)
 874 {
 875         entity_t *ent = &cl_entities[0];
 876         if (cl_num_entities < 1)
 877                 cl_num_entities = 1;
 878         cl_brushmodel_entities[cl_num_brushmodel_entities++] = &ent->render;
 879         // FIXME: this should be done at load
 880         Matrix4x4_CreateIdentity(&ent->render.matrix);
 881         Matrix4x4_CreateIdentity(&ent->render.inversematrix);
 882         CL_BoundingBoxForEntity(&ent->render);
 883 }
 884
 885 static void CL_RelinkStaticEntities(void)
 886 {
 887         int i;
 888         for (i = 0;i < cl_num_static_entities && r_refdef.numentities < r_refdef.maxentities;i++)
 889         {
 890                 Mod_CheckLoaded(cl_static_entities[i].render.model);
 891                 r_refdef.entities[r_refdef.numentities++] = &cl_static_entities[i].render;
 892         }
 893 }
 894
 895 /*
 896 ===============
 897 CL_RelinkEntities
 898 ===============
 899 */
 900 static void CL_RelinkNetworkEntities(void)
 901 {
 902         entity_t *ent;
 903         int i;
 904
 905         ent = &cl.viewent;
 906         ent->state_previous = ent->state_current;
 907         ClearStateToDefault(&ent->state_current);
 908         ent->state_current.time = cl.time;
 909         ent->state_current.number = -1;
 910         ent->state_current.active = true;
 911         ent->state_current.modelindex = cl.stats[STAT_WEAPON];
 912         ent->state_current.frame = cl.stats[STAT_WEAPONFRAME];
 913         ent->state_current.flags = RENDER_VIEWMODEL;
 914         if (cl.stats[STAT_HEALTH] <= 0 || cl.intermission)
 915                 ent->state_current.modelindex = 0;
 916         else if (cl.items & IT_INVISIBILITY)
 917         {
 918                 if (gamemode == GAME_TRANSFUSION)
 919                         ent->state_current.alpha = 128;
 920                 else
 921                         ent->state_current.modelindex = 0;
 922         }
 923
 924         // start on the entity after the world
 925         entitylinkframenumber++;
 926         for (i = 1, ent = cl_entities + 1;i < MAX_EDICTS;i++, ent++)
 927         {
 928                 if (cl_entities_active[i])
 929                 {
 930                         if (ent->state_current.active)
 931                                 CL_LinkNetworkEntity(ent);
 932                         else
 933                                 cl_entities_active[i] = false;
 934                 }
 935         }
 936         CL_LinkNetworkEntity(&cl.viewent);
 937 }
 938
 939 static void CL_RelinkEffects(void)
 940 {
 941         int i, intframe;
 942         cl_effect_t *e;
 943         entity_t *ent;
 944         float frame;
 945
 946         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
 947         {
 948                 if (e->active)
 949                 {
 950                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
 951                         intframe = frame;
 952                         if (intframe < 0 || intframe >= e->endframe)
 953                         {
 954                                 memset(e, 0, sizeof(*e));
 955                                 continue;
 956                         }
 957
 958                         if (intframe != e->frame)
 959                         {
 960                                 e->frame = intframe;
 961                                 e->frame1time = e->frame2time;
 962                                 e->frame2time = cl.time;
 963                         }
 964
 965                         // if we're drawing effects, get a new temp entity
 966                         // (NewTempEntity adds it to the render entities list for us)
 967                         if (r_draweffects.integer && (ent = CL_NewTempEntity()))
 968                         {
 969                                 // interpolation stuff
 970                                 ent->render.frame1 = intframe;
 971                                 ent->render.frame2 = intframe + 1;
 972                                 if (ent->render.frame2 >= e->endframe)
 973                                         ent->render.frame2 = -1; // disappear
 974                                 ent->render.framelerp = frame - intframe;
 975                                 ent->render.frame1time = e->frame1time;
 976                                 ent->render.frame2time = e->frame2time;
 977
 978                                 // normal stuff
 979                                 ent->render.model = cl.model_precache[e->modelindex];
 980                                 ent->render.frame = ent->render.frame2;
 981                                 ent->render.colormap = -1; // no special coloring
 982                                 ent->render.alpha = 1;
 983
 984                                 Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, e->origin[0], e->origin[1], e->origin[2], 0, 0, 0, 1);
 985                                 Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
 986                                 CL_BoundingBoxForEntity(&ent->render);
 987                         }
 988                 }
 989         }
 990 }
 991
 992 void CL_RelinkBeams(void)
 993 {
 994         int i;
 995         beam_t *b;
 996         vec3_t dist, org;
 997         float d;
 998         entity_t *ent;
 999         float yaw, pitch;
1000         float forward;
1001         matrix4x4_t tempmatrix;
1002
1003         for (i = 0, b = cl_beams;i < cl_max_beams;i++, b++)
1004         {
1005                 if (!b->model || b->endtime < cl.time)
1006                         continue;
1007
1008                 // if coming from the player, update the start position
1009                 //if (b->entity == cl.viewentity)
1010                 //      VectorCopy (cl_entities[cl.viewentity].render.origin, b->start);
1011                 if (cl_beams_relative.integer && b->entity && cl_entities[b->entity].state_current.active && b->relativestartvalid)
1012                 {
1013                         entity_state_t *p = &cl_entities[b->entity].state_previous;
1014                         //entity_state_t *c = &cl_entities[b->entity].state_current;
1015                         entity_render_t *r = &cl_entities[b->entity].render;
1016                         matrix4x4_t matrix, imatrix;
1017                         if (b->relativestartvalid == 2)
1018                         {
1019                                 // not really valid yet, we need to get the orientation now
1020                                 // (ParseBeam flagged this because it is received before
1021                                 //  entities are received, by now they have been received)
1022                                 // note: because players create lightning in their think
1023                                 // function (which occurs before movement), they actually
1024                                 // have some lag in it's location, so compare to the
1025                                 // previous player state, not the latest
1026                                 if (b->entity == cl.viewentity)
1027                                         Matrix4x4_CreateFromQuakeEntity(&matrix, p->origin[0], p->origin[1], p->origin[2] + 16, cl.viewangles[0], cl.viewangles[1], cl.viewangles[2], 1);
1028                                 else
1029                                         Matrix4x4_CreateFromQuakeEntity(&matrix, p->origin[0], p->origin[1], p->origin[2] + 16, p->angles[0], p->angles[1], p->angles[2], 1);
1030                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1031                                 Matrix4x4_Transform(&imatrix, b->start, b->relativestart);
1032                                 Matrix4x4_Transform(&imatrix, b->end, b->relativeend);
1033                                 b->relativestartvalid = 1;
1034                         }
1035                         else
1036                         {
1037                                 if (b->entity == cl.viewentity)
1038                                         Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, cl.viewangles[0], cl.viewangles[1], cl.viewangles[2], 1);
1039                                 else
1040                                         Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, r->angles[0], r->angles[1], r->angles[2], 1);
1041                                 Matrix4x4_Transform(&matrix, b->relativestart, b->start);
1042                                 Matrix4x4_Transform(&matrix, b->relativeend, b->end);
1043                         }
1044                 }
1045
1046                 if (b->lightning)
1047                 {
1048                         if (cl_beams_lightatend.integer)
1049                         {
1050                                 // FIXME: create a matrix from the beam start/end orientation
1051                                 Matrix4x4_CreateTranslate(&tempmatrix, b->end[0], b->end[1], b->end[2]);
1052                                 CL_AllocDlight (NULL, &tempmatrix, 200, 0.3, 0.7, 1, 0, 0, 0, 0, true, 1);
1053                         }
1054                         if (cl_beams_polygons.integer)
1055                                 continue;
1056                 }
1057
1058                 // calculate pitch and yaw
1059                 VectorSubtract (b->end, b->start, dist);
1060
1061                 if (dist[1] == 0 && dist[0] == 0)
1062                 {
1063                         yaw = 0;
1064                         if (dist[2] > 0)
1065                                 pitch = 90;
1066                         else
1067                                 pitch = 270;
1068                 }
1069                 else
1070                 {
1071                         yaw = (int) (atan2(dist[1], dist[0]) * 180 / M_PI);
1072                         if (yaw < 0)
1073                                 yaw += 360;
1074
1075                         forward = sqrt (dist[0]*dist[0] + dist[1]*dist[1]);
1076                         pitch = (int) (atan2(dist[2], forward) * 180 / M_PI);
1077                         if (pitch < 0)
1078                                 pitch += 360;
1079                 }
1080
1081                 // add new entities for the lightning
1082                 VectorCopy (b->start, org);
1083                 d = VectorNormalizeLength(dist);
1084                 while (d > 0)
1085                 {
1086                         ent = CL_NewTempEntity ();
1087                         if (!ent)
1088                                 return;
1089                         //VectorCopy (org, ent->render.origin);
1090                         ent->render.model = b->model;
1091                         ent->render.effects = EF_FULLBRIGHT;
1092                         //ent->render.angles[0] = pitch;
1093                         //ent->render.angles[1] = yaw;
1094                         //ent->render.angles[2] = rand()%360;
1095                         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, org[0], org[1], org[2], -pitch, yaw, lhrandom(0, 360), 1);
1096                         Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
1097                         CL_BoundingBoxForEntity(&ent->render);
1098                         VectorMA(org, 30, dist, org);
1099                         d -= 30;
1100                 }
1101         }
1102 }
1103
1104 void CL_LerpPlayer(float frac)
1105 {
1106         int i;
1107         float d;
1108
1109         cl.viewzoom = cl.viewzoomold + frac * (cl.viewzoomnew - cl.viewzoomold);
1110
1111         for (i = 0;i < 3;i++)
1112                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
1113
1114         if (cls.demoplayback)
1115         {
1116                 // interpolate the angles
1117                 for (i = 0;i < 3;i++)
1118                 {
1119                         d = cl.mviewangles[0][i] - cl.mviewangles[1][i];
1120                         if (d > 180)
1121                                 d -= 360;
1122                         else if (d < -180)
1123                                 d += 360;
1124                         cl.viewangles[i] = cl.mviewangles[1][i] + frac * d;
1125                 }
1126         }
1127 }
1128
1129 /*
1130 ===============
1131 CL_ReadFromServer
1132
1133 Read all incoming data from the server
1134 ===============
1135 */
1136 int CL_ReadFromServer(void)
1137 {
1138         CL_ReadDemoMessage();
1139
1140         r_refdef.numentities = 0;
1141         cl_num_entities = 0;
1142         cl_num_brushmodel_entities = 0;
1143
1144         if (cls.state == ca_connected && cls.signon == SIGNONS)
1145         {
1146                 // prepare for a new frame
1147                 CL_LerpPlayer(CL_LerpPoint());
1148                 CL_DecayLights();
1149                 CL_ClearTempEntities();
1150                 V_DriftPitch();
1151                 V_FadeViewFlashs();
1152
1153                 // relink network entities (note: this sets up the view!)
1154                 CL_RelinkNetworkEntities();
1155
1156                 // move particles
1157                 CL_MoveParticles();
1158                 R_MoveExplosions();
1159
1160                 // link stuff
1161                 CL_RelinkWorld();
1162                 CL_RelinkStaticEntities();
1163                 CL_RelinkBeams();
1164                 CL_RelinkEffects();
1165
1166                 // run cgame code (which can add more entities)
1167                 CL_CGVM_Frame();
1168
1169                 // update view blend
1170                 V_CalcViewBlend();
1171         }
1172
1173         return 0;
1174 }
1175
1176 /*
1177 =================
1178 CL_SendCmd
1179 =================
1180 */
1181 void CL_SendCmd(usercmd_t *cmd)
1182 {
1183         if (cls.signon == SIGNONS)
1184                 CL_SendMove(cmd);
1185
1186         if (cls.demoplayback)
1187         {
1188                 SZ_Clear(&cls.message);
1189                 return;
1190         }
1191
1192         // send the reliable message (forwarded commands) if there is one
1193         if (cls.message.cursize && NetConn_CanSendMessage(cls.netcon))
1194         {
1195                 if (developer.integer)
1196                 {
1197                         Con_Print("CL_SendCmd: sending reliable message:\n");
1198                         SZ_HexDumpToConsole(&cls.message);
1199                 }
1200                 if (NetConn_SendReliableMessage(cls.netcon, &cls.message) == -1)
1201                         Host_Error("CL_WriteToServer: lost server connection");
1202                 SZ_Clear(&cls.message);
1203         }
1204 }
1205
1206 // LordHavoc: pausedemo command
1207 static void CL_PauseDemo_f (void)
1208 {
1209         cls.demopaused = !cls.demopaused;
1210         if (cls.demopaused)
1211                 Con_Print("Demo paused\n");
1212         else
1213                 Con_Print("Demo unpaused\n");
1214 }
1215
1216 /*
1217 ======================
1218 CL_Fog_f
1219 ======================
1220 */
1221 static void CL_Fog_f (void)
1222 {
1223         if (Cmd_Argc () == 1)
1224         {
1225                 Con_Printf("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
1226                 return;
1227         }
1228         fog_density = atof(Cmd_Argv(1));
1229         fog_red = atof(Cmd_Argv(2));
1230         fog_green = atof(Cmd_Argv(3));
1231         fog_blue = atof(Cmd_Argv(4));
1232 }
1233
1234 /*
1235 =================
1236 CL_Init
1237 =================
1238 */
1239 //VorteX: cvars for GAME_NETHERWORLD
1240 cvar_t cl_playermodel = {CVAR_SAVE, "cl_playermodel", "ranger"};
1241 cvar_t cl_footsteps = {CVAR_SAVE, "cl_footsteps", "1"};
1242 cvar_t cl_weapon_ofs = {CVAR_SAVE, "cl_weapon_ofs", "0 0 0"};
1243 cvar_t cl_weapon_bstep = {CVAR_SAVE, "cl_weapon_bstep", "100 0 0"};
1244 cvar_t cl_weapon_bborder = {CVAR_SAVE, "cl_weapon_bborder", "2 0 0"};
1245 cvar_t cl_weapon_bphase = {CVAR_SAVE, "cl_weapon_bphase", "0 0 0"};
1246 cvar_t cl_weapon_bphasescale = {CVAR_SAVE, "cl_weapon_bphasescale", "1 1 1"};
1247 cvar_t cl_weapon_bphasescissor = {CVAR_SAVE, "cl_weapon_bphasescissor", "-1 -1 -1 1 1 1"};
1248 cvar_t cl_deathcam = {CVAR_SAVE, "cl_deathcam", "0"};
1249 cvar_t cl_askonresave = {CVAR_SAVE, "cl_askonresave", "1"};  //Asking on saving to full saveslot in savegame menu
1250 cvar_t sv_corpses_solid = {CVAR_SAVE, "sv_corpses_solid", "1"};
1251 cvar_t sv_corpses_removetime = {CVAR_SAVE, "sv_corpses_removetime", "0"};
1252 cvar_t sv_monsters_healthscale = {CVAR_SAVE, "sv_monsters_healthscale", "1"};
1253 cvar_t sv_monsters_damagescale = {CVAR_SAVE, "sv_monsters_damagescale", "1"};
1254 cvar_t sv_monsters_multiply = {CVAR_SAVE, "sv_monsters_multiply", "1"};
1255 cvar_t sv_monsters_randomize = {CVAR_SAVE, "sv_monsters_randomize", "0"};
1256 cvar_t sv_monsters_multiply_radius = {CVAR_SAVE, "sv_monsters_multiply_radius", "5"};
1257 cvar_t sv_monsters_ai_skillmod = {CVAR_SAVE, "sv_monsters_ai_skillmod", "1"};
1258 cvar_t sv_monsters_ai_agrmod = {CVAR_SAVE, "sv_monsters_ai_agrmod", "1"};
1259 cvar_t sv_monsters_ai_dexmod = {CVAR_SAVE, "sv_monsters_ai_dexmod", "1"};
1260 cvar_t sv_monsters_deathmatch = {CVAR_SAVE, "sv_monsters_deathmatch", "0"};
1261 cvar_t sv_monsters_deathmatch_maxnum = {CVAR_SAVE, "sv_monsters_deathmatch_maxnum", "20"};
1262 cvar_t sv_monsters_deathmatch_spawntime = {CVAR_SAVE, "sv_monsters_deathmatch_spawntime", "5"};
1263 cvar_t sv_monsters_deathmatch_fragpermonster = {CVAR_SAVE, "sv_monsters_deathmatch_fragpermonster", "0"};
1264
1265 void CL_Init (void)
1266 {
1267         cl_entities_mempool = Mem_AllocPool("client entities", 0, NULL);
1268         cl_refdef_mempool = Mem_AllocPool("refdef", 0, NULL);
1269
1270         memset(&r_refdef, 0, sizeof(r_refdef));
1271         // max entities sent to renderer per frame
1272         r_refdef.maxentities = MAX_EDICTS + 256 + 512;
1273         r_refdef.entities = Mem_Alloc(cl_refdef_mempool, sizeof(entity_render_t *) * r_refdef.maxentities);
1274         // 256k drawqueue buffer
1275         r_refdef.maxdrawqueuesize = 256 * 1024;
1276         r_refdef.drawqueue = Mem_Alloc(cl_refdef_mempool, r_refdef.maxdrawqueuesize);
1277
1278         SZ_Alloc (&cls.message, 1024, "cls.message");
1279
1280         CL_InitInput ();
1281         CL_InitTEnts ();
1282
1283 //
1284 // register our commands
1285 //
1286         Cvar_RegisterVariable (&cl_upspeed);
1287         Cvar_RegisterVariable (&cl_forwardspeed);
1288         Cvar_RegisterVariable (&cl_backspeed);
1289         Cvar_RegisterVariable (&cl_sidespeed);
1290         Cvar_RegisterVariable (&cl_movespeedkey);
1291         Cvar_RegisterVariable (&cl_yawspeed);
1292         Cvar_RegisterVariable (&cl_pitchspeed);
1293         Cvar_RegisterVariable (&cl_anglespeedkey);
1294         Cvar_RegisterVariable (&cl_shownet);
1295         Cvar_RegisterVariable (&cl_nolerp);
1296         Cvar_RegisterVariable (&lookspring);
1297         Cvar_RegisterVariable (&lookstrafe);
1298         Cvar_RegisterVariable (&sensitivity);
1299         Cvar_RegisterVariable (&freelook);
1300
1301         Cvar_RegisterVariable (&m_pitch);
1302         Cvar_RegisterVariable (&m_yaw);
1303         Cvar_RegisterVariable (&m_forward);
1304         Cvar_RegisterVariable (&m_side);
1305
1306         Cvar_RegisterVariable (&cl_itembobspeed);
1307         Cvar_RegisterVariable (&cl_itembobheight);
1308
1309         Cmd_AddCommand ("entities", CL_PrintEntities_f);
1310         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
1311         Cmd_AddCommand ("record", CL_Record_f);
1312         Cmd_AddCommand ("stop", CL_Stop_f);
1313         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
1314         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
1315
1316         Cmd_AddCommand ("fog", CL_Fog_f);
1317
1318         // LordHavoc: added pausedemo
1319         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
1320
1321         Cvar_RegisterVariable(&r_draweffects);
1322         Cvar_RegisterVariable(&cl_explosions_alpha_start);
1323         Cvar_RegisterVariable(&cl_explosions_alpha_end);
1324         Cvar_RegisterVariable(&cl_explosions_size_start);
1325         Cvar_RegisterVariable(&cl_explosions_size_end);
1326         Cvar_RegisterVariable(&cl_explosions_lifetime);
1327         Cvar_RegisterVariable(&cl_stainmaps);
1328         Cvar_RegisterVariable(&cl_beams_polygons);
1329         Cvar_RegisterVariable(&cl_beams_relative);
1330         Cvar_RegisterVariable(&cl_beams_lightatend);
1331         Cvar_RegisterVariable(&cl_noplayershadow);
1332
1333         if (gamemode == GAME_NETHERWORLD)
1334         {
1335                 Cvar_RegisterVariable (&cl_playermodel);
1336                 Cvar_RegisterVariable (&cl_footsteps);
1337                 Cvar_RegisterVariable (&cl_weapon_ofs);
1338                 Cvar_RegisterVariable (&cl_weapon_bstep);
1339                 Cvar_RegisterVariable (&cl_weapon_bborder);
1340                 Cvar_RegisterVariable (&cl_weapon_bphase);
1341                 Cvar_RegisterVariable (&cl_weapon_bphasescale);
1342                 Cvar_RegisterVariable (&cl_weapon_bphasescissor);
1343                 Cvar_RegisterVariable (&cl_deathcam);    //Hack for q3-style death
1344                 Cvar_RegisterVariable (&cl_askonresave); //Every time ask if saving to "full" saveslot
1345                 //This must be server-side cvars, after complete finishing of subsystems whitch uses this, they must be moved to server-side
1346                 Cvar_RegisterVariable (&sv_monsters_healthscale);
1347                 Cvar_RegisterVariable (&sv_monsters_damagescale);
1348                 Cvar_RegisterVariable (&sv_monsters_randomize);
1349                 Cvar_RegisterVariable (&sv_monsters_multiply);
1350                 Cvar_RegisterVariable (&sv_monsters_multiply_radius);
1351                 Cvar_RegisterVariable (&sv_monsters_ai_skillmod);
1352                 Cvar_RegisterVariable (&sv_monsters_ai_agrmod);
1353                 Cvar_RegisterVariable (&sv_monsters_ai_dexmod);
1354                 Cvar_RegisterVariable (&sv_monsters_deathmatch); //Keeping RPG mod
1355                 Cvar_RegisterVariable (&sv_monsters_deathmatch_maxnum);
1356                 Cvar_RegisterVariable (&sv_monsters_deathmatch_spawntime);
1357                 Cvar_RegisterVariable (&sv_monsters_deathmatch_fragpermonster);
1358                 Cvar_RegisterVariable (&sv_corpses_solid);
1359         }
1360
1361         CL_Parse_Init();
1362         CL_Particles_Init();
1363         CL_Screen_Init();
1364         CL_CGVM_Init();
1365
1366         CL_Video_Init();
1367 }
1368
1369
1370