cl_main.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // cl_main.c  -- client main loop
  21
  22 #include "quakedef.h"
  23 #include "cl_collision.h"
  24 #include "cl_video.h"
  25 #include "image.h"
  26
  27 // we need to declare some mouse variables here, because the menu system
  28 // references them even when on a unix system.
  29
  30 cvar_t cl_shownet = {0, "cl_shownet","0"};
  31 cvar_t cl_nolerp = {0, "cl_nolerp", "0"};
  32
  33 cvar_t cl_itembobheight = {0, "cl_itembobheight", "8"};
  34 cvar_t cl_itembobspeed = {0, "cl_itembobspeed", "0.5"};
  35
  36 cvar_t lookspring = {CVAR_SAVE, "lookspring","0"};
  37 cvar_t lookstrafe = {CVAR_SAVE, "lookstrafe","0"};
  38 cvar_t sensitivity = {CVAR_SAVE, "sensitivity","3", 1, 30};
  39
  40 cvar_t m_pitch = {CVAR_SAVE, "m_pitch","0.022"};
  41 cvar_t m_yaw = {CVAR_SAVE, "m_yaw","0.022"};
  42 cvar_t m_forward = {CVAR_SAVE, "m_forward","1"};
  43 cvar_t m_side = {CVAR_SAVE, "m_side","0.8"};
  44
  45 cvar_t freelook = {CVAR_SAVE, "freelook", "1"};
  46
  47 cvar_t r_draweffects = {0, "r_draweffects", "1"};
  48
  49 cvar_t cl_explosions = {CVAR_SAVE, "cl_explosions", "1"};
  50 cvar_t cl_explosions_alpha_start = {CVAR_SAVE, "cl_explosions_alpha_start", "1.5"};
  51 cvar_t cl_explosions_alpha_end = {CVAR_SAVE, "cl_explosions_alpha_end", "0.01"};
  52 cvar_t cl_explosions_size_start = {CVAR_SAVE, "cl_explosions_size_start", "1"};
  53 cvar_t cl_explosions_size_end = {CVAR_SAVE, "cl_explosions_size_end", "1"};
  54 cvar_t cl_explosions_lifetime = {CVAR_SAVE, "cl_explosions_lifetime", "1"};
  55
  56 cvar_t cl_stainmaps = {CVAR_SAVE, "cl_stainmaps", "1"};
  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
 113         SZ_Clear (&cls.message);
 114
 115         cl_num_entities = 0;
 116         cl_num_static_entities = 0;
 117         cl_num_temp_entities = 0;
 118         cl_num_brushmodel_entities = 0;
 119
 120         // tweak these if the game runs out
 121         cl_max_entities = MAX_EDICTS;
 122         cl_max_static_entities = 256;
 123         cl_max_temp_entities = 512;
 124         cl_max_effects = 256;
 125         cl_max_beams = 256;
 126         cl_max_dlights = MAX_DLIGHTS;
 127         cl_max_lightstyle = MAX_LIGHTSTYLES;
 128         cl_max_brushmodel_entities = MAX_EDICTS;
 129
 130         cl_entities = Mem_Alloc(cl_entities_mempool, cl_max_entities * sizeof(entity_t));
 131         cl_entities_active = Mem_Alloc(cl_entities_mempool, cl_max_entities * sizeof(qbyte));
 132         cl_static_entities = Mem_Alloc(cl_entities_mempool, cl_max_static_entities * sizeof(entity_t));
 133         cl_temp_entities = Mem_Alloc(cl_entities_mempool, cl_max_temp_entities * sizeof(entity_t));
 134         cl_effects = Mem_Alloc(cl_entities_mempool, cl_max_effects * sizeof(cl_effect_t));
 135         cl_beams = Mem_Alloc(cl_entities_mempool, cl_max_beams * sizeof(beam_t));
 136         cl_dlights = Mem_Alloc(cl_entities_mempool, cl_max_dlights * sizeof(dlight_t));
 137         cl_lightstyle = Mem_Alloc(cl_entities_mempool, cl_max_lightstyle * sizeof(lightstyle_t));
 138         cl_brushmodel_entities = Mem_Alloc(cl_entities_mempool, cl_max_brushmodel_entities * sizeof(entity_render_t *));
 139
 140         CL_Screen_NewMap();
 141
 142         CL_Particles_Clear();
 143
 144         // LordHavoc: have to set up the baseline info for alpha and other stuff
 145         for (i = 0;i < cl_max_entities;i++)
 146         {
 147                 ClearStateToDefault(&cl_entities[i].state_baseline);
 148                 ClearStateToDefault(&cl_entities[i].state_previous);
 149                 ClearStateToDefault(&cl_entities[i].state_current);
 150         }
 151
 152         CL_CGVM_Clear();
 153 }
 154
 155 /*
 156 =====================
 157 CL_Disconnect
 158
 159 Sends a disconnect message to the server
 160 This is also called on Host_Error, so it shouldn't cause any errors
 161 =====================
 162 */
 163 void CL_Disconnect(void)
 164 {
 165         if (cls.state == ca_dedicated)
 166                 return;
 167
 168         Con_DPrintf("CL_Disconnect\n");
 169
 170 // stop sounds (especially looping!)
 171         S_StopAllSounds (true);
 172
 173         // clear contents blends
 174         cl.cshifts[0].percent = 0;
 175         cl.cshifts[1].percent = 0;
 176         cl.cshifts[2].percent = 0;
 177         cl.cshifts[3].percent = 0;
 178
 179         cl.worldmodel = NULL;
 180
 181         if (cls.demoplayback)
 182                 CL_StopPlayback();
 183         else if (cls.netcon)
 184         {
 185                 if (cls.demorecording)
 186                         CL_Stop_f();
 187
 188                 Con_DPrint("Sending clc_disconnect\n");
 189                 SZ_Clear(&cls.message);
 190                 MSG_WriteByte(&cls.message, clc_disconnect);
 191                 NetConn_SendUnreliableMessage(cls.netcon, &cls.message);
 192                 SZ_Clear(&cls.message);
 193                 NetConn_Close(cls.netcon);
 194                 cls.netcon = NULL;
 195         }
 196         cls.state = ca_disconnected;
 197
 198         cls.demoplayback = cls.timedemo = false;
 199         cls.signon = 0;
 200 }
 201
 202 void CL_Disconnect_f(void)
 203 {
 204         CL_Disconnect ();
 205         if (sv.active)
 206                 Host_ShutdownServer (false);
 207 }
 208
 209
 210
 211
 212 /*
 213 =====================
 214 CL_EstablishConnection
 215
 216 Host should be either "local" or a net address
 217 =====================
 218 */
 219 void CL_EstablishConnection(const char *host)
 220 {
 221         if (cls.state == ca_dedicated)
 222                 return;
 223
 224         // clear menu's connect error message
 225         m_return_reason[0] = 0;
 226         cls.demonum = -1;
 227
 228         // stop demo loop in case this fails
 229         CL_Disconnect();
 230         NetConn_ClientFrame();
 231         NetConn_ServerFrame();
 232
 233         if (LHNETADDRESS_FromString(&cls.connect_address, host, 26000) && (cls.connect_mysocket = NetConn_ChooseClientSocketForAddress(&cls.connect_address)))
 234         {
 235                 cls.connect_trying = true;
 236                 cls.connect_remainingtries = 3;
 237                 cls.connect_nextsendtime = 0;
 238                 if (sv.active)
 239                 {
 240                         NetConn_ClientFrame();
 241                         NetConn_ServerFrame();
 242                         NetConn_ClientFrame();
 243                         NetConn_ServerFrame();
 244                         NetConn_ClientFrame();
 245                         NetConn_ServerFrame();
 246                         NetConn_ClientFrame();
 247                         NetConn_ServerFrame();
 248                 }
 249         }
 250         else
 251         {
 252                 Con_Print("Unable to find a suitable network socket to connect to server.\n");
 253                 strcpy(m_return_reason, "No network");
 254         }
 255 }
 256
 257 /*
 258 ==============
 259 CL_PrintEntities_f
 260 ==============
 261 */
 262 static void CL_PrintEntities_f(void)
 263 {
 264         entity_t *ent;
 265         int i, j;
 266         char name[32];
 267
 268         for (i = 0, ent = cl_entities;i < cl_num_entities;i++, ent++)
 269         {
 270                 if (!ent->state_current.active)
 271                         continue;
 272
 273                 if (ent->render.model)
 274                         strlcpy (name, ent->render.model->name, 25);
 275                 else
 276                         strcpy(name, "--no model--");
 277                 for (j = strlen(name);j < 25;j++)
 278                         name[j] = ' ';
 279                 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);
 280         }
 281 }
 282
 283 //static const vec3_t nomodelmins = {-16, -16, -16};
 284 //static const vec3_t nomodelmaxs = {16, 16, 16};
 285 void CL_BoundingBoxForEntity(entity_render_t *ent)
 286 {
 287         if (ent->model)
 288         {
 289                 //if (ent->angles[0] || ent->angles[2])
 290                 if (ent->matrix.m[2][0] != 0 || ent->matrix.m[2][1] != 0)
 291                 {
 292                         // pitch or roll
 293                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->rotatedmins[0];
 294                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->rotatedmins[1];
 295                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->rotatedmins[2];
 296                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->rotatedmaxs[0];
 297                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->rotatedmaxs[1];
 298                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->rotatedmaxs[2];
 299                         //VectorAdd(ent->origin, ent->model->rotatedmins, ent->mins);
 300                         //VectorAdd(ent->origin, ent->model->rotatedmaxs, ent->maxs);
 301                 }
 302                 //else if (ent->angles[1])
 303                 else if (ent->matrix.m[0][1] != 0 || ent->matrix.m[1][0] != 0)
 304                 {
 305                         // yaw
 306                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->yawmins[0];
 307                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->yawmins[1];
 308                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->yawmins[2];
 309                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->yawmaxs[0];
 310                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->yawmaxs[1];
 311                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->yawmaxs[2];
 312                         //VectorAdd(ent->origin, ent->model->yawmins, ent->mins);
 313                         //VectorAdd(ent->origin, ent->model->yawmaxs, ent->maxs);
 314                 }
 315                 else
 316                 {
 317                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->normalmins[0];
 318                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->normalmins[1];
 319                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->normalmins[2];
 320                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->normalmaxs[0];
 321                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->normalmaxs[1];
 322                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->normalmaxs[2];
 323                         //VectorAdd(ent->origin, ent->model->normalmins, ent->mins);
 324                         //VectorAdd(ent->origin, ent->model->normalmaxs, ent->maxs);
 325                 }
 326         }
 327         else
 328         {
 329                 ent->mins[0] = ent->matrix.m[0][3] - 16;
 330                 ent->mins[1] = ent->matrix.m[1][3] - 16;
 331                 ent->mins[2] = ent->matrix.m[2][3] - 16;
 332                 ent->maxs[0] = ent->matrix.m[0][3] + 16;
 333                 ent->maxs[1] = ent->matrix.m[1][3] + 16;
 334                 ent->maxs[2] = ent->matrix.m[2][3] + 16;
 335                 //VectorAdd(ent->origin, nomodelmins, ent->mins);
 336                 //VectorAdd(ent->origin, nomodelmaxs, ent->maxs);
 337         }
 338 }
 339
 340 /*
 341 ===============
 342 CL_LerpPoint
 343
 344 Determines the fraction between the last two messages that the objects
 345 should be put at.
 346 ===============
 347 */
 348 static float CL_LerpPoint(void)
 349 {
 350         float f;
 351
 352         // dropped packet, or start of demo
 353         if (cl.mtime[1] < cl.mtime[0] - 0.1)
 354                 cl.mtime[1] = cl.mtime[0] - 0.1;
 355
 356         cl.time = bound(cl.mtime[1], cl.time, cl.mtime[0]);
 357
 358         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 359         f = cl.mtime[0] - cl.mtime[1];
 360         if (!f || cl_nolerp.integer || cls.timedemo || cl.islocalgame)
 361         {
 362                 cl.time = cl.mtime[0];
 363                 return 1;
 364         }
 365
 366         f = (cl.time - cl.mtime[1]) / f;
 367         return bound(0, f, 1);
 368 }
 369
 370 void CL_ClearTempEntities (void)
 371 {
 372         cl_num_temp_entities = 0;
 373 }
 374
 375 entity_t *CL_NewTempEntity(void)
 376 {
 377         entity_t *ent;
 378
 379         if (r_refdef.numentities >= r_refdef.maxentities)
 380                 return NULL;
 381         if (cl_num_temp_entities >= cl_max_temp_entities)
 382                 return NULL;
 383         ent = &cl_temp_entities[cl_num_temp_entities++];
 384         memset (ent, 0, sizeof(*ent));
 385         r_refdef.entities[r_refdef.numentities++] = &ent->render;
 386
 387         ent->render.colormap = -1; // no special coloring
 388         ent->render.scale = 1;
 389         ent->render.alpha = 1;
 390         return ent;
 391 }
 392
 393 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
 394 {
 395         int i;
 396         cl_effect_t *e;
 397         if (!modelindex) // sanity check
 398                 return;
 399         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
 400         {
 401                 if (e->active)
 402                         continue;
 403                 e->active = true;
 404                 VectorCopy(org, e->origin);
 405                 e->modelindex = modelindex;
 406                 e->starttime = cl.time;
 407                 e->startframe = startframe;
 408                 e->endframe = startframe + framecount;
 409                 e->framerate = framerate;
 410
 411                 e->frame = 0;
 412                 e->frame1time = cl.time;
 413                 e->frame2time = cl.time;
 414                 break;
 415         }
 416 }
 417
 418 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)
 419 {
 420         int i;
 421         dlight_t *dl;
 422
 423         /*
 424 // first look for an exact key match
 425         if (ent)
 426         {
 427                 dl = cl_dlights;
 428                 for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 429                         if (dl->ent == ent)
 430                                 goto dlightsetup;
 431         }
 432         */
 433
 434 // then look for anything else
 435         dl = cl_dlights;
 436         for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 437                 if (!dl->radius)
 438                         goto dlightsetup;
 439
 440         // unable to find one
 441         return;
 442
 443 dlightsetup:
 444         //Con_Printf("dlight %i : %f %f %f : %f %f %f\n", i, org[0], org[1], org[2], red * radius, green * radius, blue * radius);
 445         memset (dl, 0, sizeof(*dl));
 446         dl->matrix = *matrix;
 447         dl->ent = ent;
 448         dl->origin[0] = dl->matrix.m[0][3];
 449         dl->origin[1] = dl->matrix.m[1][3];
 450         dl->origin[2] = dl->matrix.m[2][3];
 451         CL_FindNonSolidLocation(dl->origin, dl->origin, 6);
 452         dl->matrix.m[0][3] = dl->origin[0];
 453         dl->matrix.m[1][3] = dl->origin[1];
 454         dl->matrix.m[2][3] = dl->origin[2];
 455         dl->radius = radius;
 456         dl->color[0] = red;
 457         dl->color[1] = green;
 458         dl->color[2] = blue;
 459         dl->decay = decay;
 460         if (lifetime)
 461                 dl->die = cl.time + lifetime;
 462         else
 463                 dl->die = 0;
 464         dl->cubemapnum = cubemapnum;
 465         dl->style = style;
 466         dl->shadow = shadowenable;
 467         dl->corona = corona;
 468 }
 469
 470 void CL_DecayLights(void)
 471 {
 472         int i;
 473         dlight_t *dl;
 474         float time;
 475
 476         time = cl.time - cl.oldtime;
 477         for (i = 0, dl = cl_dlights;i < MAX_DLIGHTS;i++, dl++)
 478                 if (dl->radius)
 479                         dl->radius = (cl.time < dl->die) ? max(0, dl->radius - time * dl->decay) : 0;
 480 }
 481
 482 #define MAXVIEWMODELS 32
 483 entity_t *viewmodels[MAXVIEWMODELS];
 484 int numviewmodels;
 485
 486 matrix4x4_t viewmodelmatrix;
 487
 488 static int entitylinkframenumber;
 489
 490 static const vec3_t muzzleflashorigin = {18, 0, 0};
 491
 492 extern void V_DriftPitch(void);
 493 extern void V_FadeViewFlashs(void);
 494 extern void V_CalcViewBlend(void);
 495
 496 extern void V_CalcRefdef(void);
 497 // note this is a recursive function, but it can never get in a runaway loop (because of the delayedlink flags)
 498 void CL_LinkNetworkEntity(entity_t *e)
 499 {
 500         matrix4x4_t *matrix, blendmatrix, tempmatrix, matrix2, dlightmatrix;
 501         int j, k, l, trailtype, temp;
 502         float origin[3], angles[3], delta[3], lerp, dlightcolor[3], dlightradius, mins[3], maxs[3], v[3], v2[3], d;
 503         entity_t *t;
 504         model_t *model;
 505         //entity_persistent_t *p = &e->persistent;
 506         //entity_render_t *r = &e->render;
 507         if (e->persistent.linkframe != entitylinkframenumber)
 508         {
 509                 e->persistent.linkframe = entitylinkframenumber;
 510                 // skip inactive entities and world
 511                 if (!e->state_current.active || e == cl_entities)
 512                         return;
 513                 if (e->render.flags & RENDER_VIEWMODEL)
 514                 {
 515                         if (!r_drawviewmodel.integer || chase_active.integer || envmap)
 516                                 return;
 517                         if (cl.viewentity)
 518                                 CL_LinkNetworkEntity(cl_entities + cl.viewentity);
 519                         matrix = &viewmodelmatrix;
 520                         if (e == &cl.viewent && cl.viewentity >= 0 && cl.viewentity < MAX_EDICTS && cl_entities[cl.viewentity].state_current.active)
 521                         {
 522                                 e->state_current.alpha = cl_entities[cl.viewentity].state_current.alpha;
 523                                 e->state_current.effects = EF_NOSHADOW | (cl_entities[cl.viewentity].state_current.effects & (EF_ADDITIVE | EF_REFLECTIVE | EF_FULLBRIGHT));
 524                         }
 525                 }
 526                 else
 527                 {
 528                         t = cl_entities + e->state_current.tagentity;
 529                         if (!t->state_current.active)
 530                                 return;
 531                         // note: this can link to world
 532                         CL_LinkNetworkEntity(t);
 533                         // make relative to the entity
 534                         matrix = &t->render.matrix;
 535                         // if a valid tagindex is used, make it relative to that tag instead
 536                         if (e->state_current.tagentity && e->state_current.tagindex >= 1 && (model = t->render.model) && e->state_current.tagindex <= t->render.model->alias.aliasnum_tags)
 537                         {
 538                                 // blend the matrices
 539                                 memset(&blendmatrix, 0, sizeof(blendmatrix));
 540                                 for (j = 0;j < 4 && t->render.frameblend[j].lerp > 0;j++)
 541                                 {
 542                                         matrix = &t->render.model->alias.aliasdata_tags[t->render.frameblend[j].frame * t->render.model->alias.aliasnum_tags + (e->state_current.tagindex - 1)].matrix;
 543                                         d = t->render.frameblend[j].lerp;
 544                                         for (l = 0;l < 4;l++)
 545                                                 for (k = 0;k < 4;k++)
 546                                                         blendmatrix.m[l][k] += d * matrix->m[l][k];
 547                                 }
 548                                 // concat the tag matrices onto the entity matrix
 549                                 Matrix4x4_Concat(&tempmatrix, &t->render.matrix, &blendmatrix);
 550                                 // use the constructed tag matrix
 551                                 matrix = &tempmatrix;
 552                         }
 553                 }
 554                 e->render.alpha = e->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 555                 e->render.scale = e->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 556                 e->render.flags = e->state_current.flags;
 557                 if (e - cl_entities == cl.viewentity)
 558                         e->render.flags |= RENDER_EXTERIORMODEL;
 559                 e->render.effects = e->state_current.effects;
 560                 if (e->state_current.flags & RENDER_COLORMAPPED)
 561                         e->render.colormap = e->state_current.colormap;
 562                 else if (cl.scores != NULL && e->state_current.colormap)
 563                         e->render.colormap = cl.scores[e->state_current.colormap - 1].colors; // color it
 564                 else
 565                         e->render.colormap = -1; // no special coloring
 566                 e->render.skinnum = e->state_current.skin;
 567                 // set up the render matrix
 568                 if (e->state_previous.active && e->state_current.modelindex == e->state_previous.modelindex)
 569                 {
 570                         // movement lerp
 571                         if (e->persistent.lerpdeltatime > 0 && (lerp = (cl.time - e->persistent.lerpstarttime) / e->persistent.lerpdeltatime) < 1)
 572                         {
 573                                 // interpolate the origin and angles
 574                                 VectorLerp(e->persistent.oldorigin, lerp, e->persistent.neworigin, origin);
 575                                 VectorSubtract(e->persistent.newangles, e->persistent.oldangles, delta);
 576                                 if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
 577                                 if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
 578                                 if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
 579                                 VectorMA(e->persistent.oldangles, lerp, delta, angles);
 580                         }
 581                         else
 582                         {
 583                                 // no interpolation
 584                                 VectorCopy(e->persistent.neworigin, origin);
 585                                 VectorCopy(e->persistent.newangles, angles);
 586                         }
 587                         // animation lerp
 588                         if (e->render.frame2 == e->state_current.frame)
 589                         {
 590                                 // update frame lerp fraction
 591                                 e->render.framelerp = 1;
 592                                 if (e->render.frame2time > e->render.frame1time)
 593                                 {
 594                                         e->render.framelerp = (cl.time - e->render.frame2time) / (e->render.frame2time - e->render.frame1time);
 595                                         e->render.framelerp = bound(0, e->render.framelerp, 1);
 596                                 }
 597                         }
 598                         else
 599                         {
 600                                 // begin a new frame lerp
 601                                 e->render.frame1 = e->render.frame2;
 602                                 e->render.frame1time = e->render.frame2time;
 603                                 e->render.frame = e->render.frame2 = e->state_current.frame;
 604                                 e->render.frame2time = cl.time;
 605                                 e->render.framelerp = 0;
 606                                 // make sure frame lerp won't last longer than 100ms
 607                                 // (this mainly helps with models that use framegroups and
 608                                 // switch between them infrequently)
 609                                 e->render.frame1time = max(e->render.frame1time, e->render.frame2time - 0.1f);
 610                         }
 611                 }
 612                 else
 613                 {
 614                         // no interpolation
 615                         VectorCopy(e->persistent.neworigin, origin);
 616                         VectorCopy(e->persistent.newangles, angles);
 617                         e->render.frame = e->render.frame1 = e->render.frame2 = e->state_current.frame;
 618                         e->render.frame1time = e->render.frame2time = cl.time;
 619                         e->render.framelerp = 1;
 620                 }
 621
 622                 e->render.model = cl.model_precache[e->state_current.modelindex];
 623                 if (e->render.model)
 624                 {
 625                         Mod_CheckLoaded(e->render.model);
 626                         // if model is alias or this is a tenebrae-like dlight, reverse pitch direction
 627                         if (e->render.model->type == mod_alias || (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC))
 628                                 angles[0] = -angles[0];
 629                         if ((e->render.model->flags & EF_ROTATE) && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
 630                         {
 631                                 angles[1] = ANGLEMOD(100*cl.time);
 632                                 if (cl_itembobheight.value)
 633                                         origin[2] += (cos(cl.time * cl_itembobspeed.value * (2.0 * M_PI)) + 1.0) * 0.5 * cl_itembobheight.value;
 634                         }
 635                 }
 636
 637                 R_LerpAnimation(&e->render);
 638
 639                 // FIXME: e->render.scale should go away
 640                 Matrix4x4_CreateFromQuakeEntity(&matrix2, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
 641                 // concat the matrices to make the entity relative to its tag
 642                 Matrix4x4_Concat(&e->render.matrix, matrix, &matrix2);
 643                 // make the other useful stuff
 644                 Matrix4x4_Invert_Simple(&e->render.inversematrix, &e->render.matrix);
 645                 CL_BoundingBoxForEntity(&e->render);
 646
 647                 // handle effects now that we know where this entity is in the world...
 648                 origin[0] = e->render.matrix.m[0][3];
 649                 origin[1] = e->render.matrix.m[1][3];
 650                 origin[2] = e->render.matrix.m[2][3];
 651                 trailtype = -1;
 652                 dlightradius = 0;
 653                 dlightcolor[0] = 0;
 654                 dlightcolor[1] = 0;
 655                 dlightcolor[2] = 0;
 656                 // LordHavoc: if the entity has no effects, don't check each
 657                 if (e->render.effects)
 658                 {
 659                         if (e->render.effects & EF_BRIGHTFIELD)
 660                         {
 661                                 if (gamemode == GAME_NEXUIZ)
 662                                 {
 663                                         dlightradius = max(dlightradius, 200);
 664                                         dlightcolor[0] += 0.75f;
 665                                         dlightcolor[1] += 1.50f;
 666                                         dlightcolor[2] += 3.00f;
 667                                         trailtype = 8;
 668                                 }
 669                                 else
 670                                         CL_EntityParticles(e);
 671                         }
 672                         if (e->render.effects & EF_MUZZLEFLASH)
 673                                 e->persistent.muzzleflash = 1.0f;
 674                         if (e->render.effects & EF_DIMLIGHT)
 675                         {
 676                                 dlightradius = max(dlightradius, 200);
 677                                 dlightcolor[0] += 1.50f;
 678                                 dlightcolor[1] += 1.50f;
 679                                 dlightcolor[2] += 1.50f;
 680                         }
 681                         if (e->render.effects & EF_BRIGHTLIGHT)
 682                         {
 683                                 dlightradius = max(dlightradius, 400);
 684                                 dlightcolor[0] += 3.00f;
 685                                 dlightcolor[1] += 3.00f;
 686                                 dlightcolor[2] += 3.00f;
 687                         }
 688                         // LordHavoc: more effects
 689                         if (e->render.effects & EF_RED) // red
 690                         {
 691                                 dlightradius = max(dlightradius, 200);
 692                                 dlightcolor[0] += 1.50f;
 693                                 dlightcolor[1] += 0.15f;
 694                                 dlightcolor[2] += 0.15f;
 695                         }
 696                         if (e->render.effects & EF_BLUE) // blue
 697                         {
 698                                 dlightradius = max(dlightradius, 200);
 699                                 dlightcolor[0] += 0.15f;
 700                                 dlightcolor[1] += 0.15f;
 701                                 dlightcolor[2] += 1.50f;
 702                         }
 703                         if (e->render.effects & EF_FLAME)
 704                         {
 705                                 mins[0] = origin[0] - 16.0f;
 706                                 mins[1] = origin[1] - 16.0f;
 707                                 mins[2] = origin[2] - 16.0f;
 708                                 maxs[0] = origin[0] + 16.0f;
 709                                 maxs[1] = origin[1] + 16.0f;
 710                                 maxs[2] = origin[2] + 16.0f;
 711                                 // how many flames to make
 712                                 temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
 713                                 CL_FlameCube(mins, maxs, temp);
 714                                 d = lhrandom(0.75f, 1);
 715                                 dlightradius = max(dlightradius, 200);
 716                                 dlightcolor[0] += d * 2.0f;
 717                                 dlightcolor[1] += d * 1.5f;
 718                                 dlightcolor[2] += d * 0.5f;
 719                         }
 720                         if (e->render.effects & EF_STARDUST)
 721                         {
 722                                 mins[0] = origin[0] - 16.0f;
 723                                 mins[1] = origin[1] - 16.0f;
 724                                 mins[2] = origin[2] - 16.0f;
 725                                 maxs[0] = origin[0] + 16.0f;
 726                                 maxs[1] = origin[1] + 16.0f;
 727                                 maxs[2] = origin[2] + 16.0f;
 728                                 // how many particles to make
 729                                 temp = (int) (cl.time * 200) - (int) (cl.oldtime * 200);
 730                                 CL_Stardust(mins, maxs, temp);
 731                                 dlightradius = max(dlightradius, 200);
 732                                 dlightcolor[0] += 1.0f;
 733                                 dlightcolor[1] += 0.7f;
 734                                 dlightcolor[2] += 0.3f;
 735                         }
 736                 }
 737                 // muzzleflash fades over time, and is offset a bit
 738                 if (e->persistent.muzzleflash > 0)
 739                 {
 740                         Matrix4x4_Transform(&e->render.matrix, muzzleflashorigin, v2);
 741                         CL_TraceLine(origin, v2, v, NULL, true, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_SKY);
 742                         tempmatrix = e->render.matrix;
 743                         tempmatrix.m[0][3] = v[0];
 744                         tempmatrix.m[1][3] = v[1];
 745                         tempmatrix.m[2][3] = v[2];
 746                         CL_AllocDlight(NULL, &tempmatrix, 100, e->persistent.muzzleflash, e->persistent.muzzleflash, e->persistent.muzzleflash, 0, 0, 0, 0, true, 0);
 747                         e->persistent.muzzleflash -= cl.frametime * 10;
 748                 }
 749                 // LordHavoc: if the model has no flags, don't check each
 750                 if (e->render.model && e->render.model->flags && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
 751                 {
 752                         if (e->render.model->flags & EF_GIB)
 753                                 trailtype = 2;
 754                         else if (e->render.model->flags & EF_ZOMGIB)
 755                                 trailtype = 4;
 756                         else if (e->render.model->flags & EF_TRACER)
 757                         {
 758                                 trailtype = 3;
 759                                 dlightradius = max(dlightradius, 100);
 760                                 dlightcolor[0] += 0.12f;
 761                                 dlightcolor[1] += 0.50f;
 762                                 dlightcolor[2] += 0.12f;
 763                         }
 764                         else if (e->render.model->flags & EF_TRACER2)
 765                         {
 766                                 trailtype = 5;
 767                                 dlightradius = max(dlightradius, 100);
 768                                 dlightcolor[0] += 0.50f;
 769                                 dlightcolor[1] += 0.30f;
 770                                 dlightcolor[2] += 0.10f;
 771                         }
 772                         else if (e->render.model->flags & EF_ROCKET)
 773                         {
 774                                 trailtype = 0;
 775                                 dlightradius = max(dlightradius, 200);
 776                                 dlightcolor[0] += 1.50f;
 777                                 dlightcolor[1] += 1.20f;
 778                                 dlightcolor[2] += 0.60f;
 779                         }
 780                         else if (e->render.model->flags & EF_GRENADE)
 781                         {
 782                                 // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
 783                                 trailtype = e->render.alpha == -1 ? 7 : 1;
 784                         }
 785                         else if (e->render.model->flags & EF_TRACER3)
 786                         {
 787                                 trailtype = 6;
 788                                 dlightradius = max(dlightradius, 200);
 789                                 dlightcolor[0] += 0.60f;
 790                                 dlightcolor[1] += 0.25f;
 791                                 dlightcolor[2] += 0.50f;
 792                         }
 793                 }
 794                 // LordHavoc: customizable glow
 795                 if (e->state_current.glowsize)
 796                 {
 797                         // * 4 for the expansion from 0-255 to 0-1023 range,
 798                         // / 255 to scale down byte colors
 799                         dlightradius = max(dlightradius, e->state_current.glowsize * 4);
 800                         VectorMA(dlightcolor, (1.0f / 255.0f), (qbyte *)&palette_complete[e->state_current.glowcolor], dlightcolor);
 801                 }
 802                 // make the glow dlight
 803                 if (dlightradius > 0 && (dlightcolor[0] || dlightcolor[1] || dlightcolor[2]) && !(e->render.flags & RENDER_VIEWMODEL))
 804                 {
 805                         //dlightmatrix = e->render.matrix;
 806                         // hack to make glowing player light shine on their gun
 807                         //if ((e - cl_entities) == cl.viewentity/* && !chase_active.integer*/)
 808                         //      dlightmatrix.m[2][3] += 30;
 809                         CL_AllocDlight(&e->render, &e->render.matrix, dlightradius, dlightcolor[0], dlightcolor[1], dlightcolor[2], 0, 0, 0, 0, false, 1);
 810                 }
 811                 // custom rtlight
 812                 if (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC)
 813                 {
 814                         float light[4];
 815                         VectorScale(e->state_current.light, (1.0f / 256.0f), light);
 816                         light[3] = e->state_current.light[3];
 817                         if (light[0] == 0 && light[1] == 0 && light[2] == 0)
 818                                 VectorSet(light, 1, 1, 1);
 819                         if (light[3] == 0)
 820                                 light[3] = 350;
 821                         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);
 822                 }
 823                 // trails need the previous frame
 824                 if (e->state_previous.active && e->state_previous.modelindex == e->state_current.modelindex)
 825                 {
 826                         if (e->render.flags & RENDER_GLOWTRAIL)
 827                                 CL_RocketTrail2(e->persistent.trail_origin, origin, e->state_current.glowcolor, e);
 828                         else if (trailtype >= 0)
 829                                 CL_RocketTrail(e->persistent.trail_origin, origin, trailtype, e);
 830                 }
 831                 VectorCopy(origin, e->persistent.trail_origin);
 832                 // note: the cl.viewentity and intermission check is to hide player
 833                 // shadow during intermission and during the Nehahra movie and
 834                 // Nehahra cinematics
 835                 if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE))
 836                  && (e->render.alpha == 1)
 837                  && !(e->render.flags & RENDER_VIEWMODEL)
 838                  && ((e - cl_entities) != cl.viewentity || (!cl.intermission && cl.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 839                         e->render.flags |= RENDER_SHADOW;
 840                 if (!(e->render.effects & EF_FULLBRIGHT))
 841                         e->render.flags |= RENDER_LIGHT;
 842                 // as soon as player is known we can call V_CalcRefDef
 843                 if ((e - cl_entities) == cl.viewentity)
 844                         V_CalcRefdef();
 845                 if (e->render.model && e->render.model->name[0] == '*' && e->render.model->TraceBox)
 846                         cl_brushmodel_entities[cl_num_brushmodel_entities++] = &e->render;
 847                 if (gamemode == GAME_TENEBRAE && e->render.model && e->render.model->type == mod_sprite)
 848                         e->render.effects |= EF_ADDITIVE;
 849                 // don't show entities with no modelindex (note: this still shows
 850                 // entities which have a modelindex that resolved to a NULL model)
 851                 if (e->render.model && !(e->render.effects & EF_NODRAW) && r_refdef.numentities < r_refdef.maxentities)
 852                         r_refdef.entities[r_refdef.numentities++] = &e->render;
 853                 if (cl_num_entities < e->state_current.number + 1)
 854                         cl_num_entities = e->state_current.number + 1;
 855                 //if (cl.viewentity && e - cl_entities == cl.viewentity)
 856                 //      Matrix4x4_Print(&e->render.matrix);
 857         }
 858 }
 859
 860 void CL_RelinkWorld(void)
 861 {
 862         entity_t *ent = &cl_entities[0];
 863         if (cl_num_entities < 1)
 864                 cl_num_entities = 1;
 865         cl_brushmodel_entities[cl_num_brushmodel_entities++] = &ent->render;
 866         // FIXME: this should be done at load
 867         Matrix4x4_CreateIdentity(&ent->render.matrix);
 868         Matrix4x4_CreateIdentity(&ent->render.inversematrix);
 869         CL_BoundingBoxForEntity(&ent->render);
 870 }
 871
 872 static void CL_RelinkStaticEntities(void)
 873 {
 874         int i;
 875         for (i = 0;i < cl_num_static_entities && r_refdef.numentities < r_refdef.maxentities;i++)
 876         {
 877                 Mod_CheckLoaded(cl_static_entities[i].render.model);
 878                 r_refdef.entities[r_refdef.numentities++] = &cl_static_entities[i].render;
 879         }
 880 }
 881
 882 /*
 883 ===============
 884 CL_RelinkEntities
 885 ===============
 886 */
 887 static void CL_RelinkNetworkEntities(void)
 888 {
 889         entity_t *ent;
 890         int i;
 891
 892         ent = &cl.viewent;
 893         ent->state_previous = ent->state_current;
 894         ClearStateToDefault(&ent->state_current);
 895         ent->state_current.time = cl.time;
 896         ent->state_current.number = -1;
 897         ent->state_current.active = true;
 898         ent->state_current.modelindex = cl.stats[STAT_WEAPON];
 899         ent->state_current.frame = cl.stats[STAT_WEAPONFRAME];
 900         ent->state_current.flags = RENDER_VIEWMODEL;
 901         if (cl.stats[STAT_HEALTH] <= 0 || cl.intermission)
 902                 ent->state_current.modelindex = 0;
 903         else if (cl.items & IT_INVISIBILITY)
 904         {
 905                 if (gamemode == GAME_TRANSFUSION)
 906                         ent->state_current.alpha = 128;
 907                 else
 908                         ent->state_current.modelindex = 0;
 909         }
 910
 911         // start on the entity after the world
 912         entitylinkframenumber++;
 913         for (i = 1, ent = cl_entities + 1;i < MAX_EDICTS;i++, ent++)
 914         {
 915                 if (cl_entities_active[i])
 916                 {
 917                         if (ent->state_current.active)
 918                                 CL_LinkNetworkEntity(ent);
 919                         else
 920                                 cl_entities_active[i] = false;
 921                 }
 922         }
 923         CL_LinkNetworkEntity(&cl.viewent);
 924 }
 925
 926 static void CL_RelinkEffects(void)
 927 {
 928         int i, intframe;
 929         cl_effect_t *e;
 930         entity_t *ent;
 931         float frame;
 932
 933         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
 934         {
 935                 if (e->active)
 936                 {
 937                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
 938                         intframe = frame;
 939                         if (intframe < 0 || intframe >= e->endframe)
 940                         {
 941                                 memset(e, 0, sizeof(*e));
 942                                 continue;
 943                         }
 944
 945                         if (intframe != e->frame)
 946                         {
 947                                 e->frame = intframe;
 948                                 e->frame1time = e->frame2time;
 949                                 e->frame2time = cl.time;
 950                         }
 951
 952                         // if we're drawing effects, get a new temp entity
 953                         // (NewTempEntity adds it to the render entities list for us)
 954                         if (r_draweffects.integer && (ent = CL_NewTempEntity()))
 955                         {
 956                                 // interpolation stuff
 957                                 ent->render.frame1 = intframe;
 958                                 ent->render.frame2 = intframe + 1;
 959                                 if (ent->render.frame2 >= e->endframe)
 960                                         ent->render.frame2 = -1; // disappear
 961                                 ent->render.framelerp = frame - intframe;
 962                                 ent->render.frame1time = e->frame1time;
 963                                 ent->render.frame2time = e->frame2time;
 964
 965                                 // normal stuff
 966                                 ent->render.model = cl.model_precache[e->modelindex];
 967                                 ent->render.frame = ent->render.frame2;
 968                                 ent->render.colormap = -1; // no special coloring
 969                                 ent->render.alpha = 1;
 970
 971                                 Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, e->origin[0], e->origin[1], e->origin[2], 0, 0, 0, 1);
 972                                 Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
 973                                 CL_BoundingBoxForEntity(&ent->render);
 974                         }
 975                 }
 976         }
 977 }
 978
 979 void CL_RelinkBeams(void)
 980 {
 981         int i;
 982         beam_t *b;
 983         vec3_t dist, org;
 984         float d;
 985         entity_t *ent;
 986         float yaw, pitch;
 987         float forward;
 988         matrix4x4_t tempmatrix;
 989
 990         for (i = 0, b = cl_beams;i < cl_max_beams;i++, b++)
 991         {
 992                 if (!b->model || b->endtime < cl.time)
 993                         continue;
 994
 995                 // if coming from the player, update the start position
 996                 //if (b->entity == cl.viewentity)
 997                 //      VectorCopy (cl_entities[cl.viewentity].render.origin, b->start);
 998                 if (cl_beams_relative.integer && b->entity && cl_entities[b->entity].state_current.active && b->relativestartvalid)
 999                 {
1000                         entity_state_t *p = &cl_entities[b->entity].state_previous;
1001                         //entity_state_t *c = &cl_entities[b->entity].state_current;
1002                         entity_render_t *r = &cl_entities[b->entity].render;
1003                         matrix4x4_t matrix, imatrix;
1004                         if (b->relativestartvalid == 2)
1005                         {
1006                                 // not really valid yet, we need to get the orientation now
1007                                 // (ParseBeam flagged this because it is received before
1008                                 //  entities are received, by now they have been received)
1009                                 // note: because players create lightning in their think
1010                                 // function (which occurs before movement), they actually
1011                                 // have some lag in it's location, so compare to the
1012                                 // previous player state, not the latest
1013                                 if (b->entity == cl.viewentity)
1014                                         Matrix4x4_CreateFromQuakeEntity(&matrix, p->origin[0], p->origin[1], p->origin[2] + 16, cl.viewangles[0], cl.viewangles[1], cl.viewangles[2], 1);
1015                                 else
1016                                         Matrix4x4_CreateFromQuakeEntity(&matrix, p->origin[0], p->origin[1], p->origin[2] + 16, p->angles[0], p->angles[1], p->angles[2], 1);
1017                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1018                                 Matrix4x4_Transform(&imatrix, b->start, b->relativestart);
1019                                 Matrix4x4_Transform(&imatrix, b->end, b->relativeend);
1020                                 b->relativestartvalid = 1;
1021                         }
1022                         else
1023                         {
1024                                 if (b->entity == cl.viewentity)
1025                                         Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, cl.viewangles[0], cl.viewangles[1], cl.viewangles[2], 1);
1026                                 else
1027                                         Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, r->angles[0], r->angles[1], r->angles[2], 1);
1028                                 Matrix4x4_Transform(&matrix, b->relativestart, b->start);
1029                                 Matrix4x4_Transform(&matrix, b->relativeend, b->end);
1030                         }
1031                 }
1032
1033                 if (b->lightning)
1034                 {
1035                         if (cl_beams_lightatend.integer)
1036                         {
1037                                 // FIXME: create a matrix from the beam start/end orientation
1038                                 Matrix4x4_CreateTranslate(&tempmatrix, b->end[0], b->end[1], b->end[2]);
1039                                 CL_AllocDlight (NULL, &tempmatrix, 200, 0.3, 0.7, 1, 0, 0, 0, 0, true, 1);
1040                         }
1041                         if (cl_beams_polygons.integer)
1042                                 continue;
1043                 }
1044
1045                 // calculate pitch and yaw
1046                 VectorSubtract (b->end, b->start, dist);
1047
1048                 if (dist[1] == 0 && dist[0] == 0)
1049                 {
1050                         yaw = 0;
1051                         if (dist[2] > 0)
1052                                 pitch = 90;
1053                         else
1054                                 pitch = 270;
1055                 }
1056                 else
1057                 {
1058                         yaw = (int) (atan2(dist[1], dist[0]) * 180 / M_PI);
1059                         if (yaw < 0)
1060                                 yaw += 360;
1061
1062                         forward = sqrt (dist[0]*dist[0] + dist[1]*dist[1]);
1063                         pitch = (int) (atan2(dist[2], forward) * 180 / M_PI);
1064                         if (pitch < 0)
1065                                 pitch += 360;
1066                 }
1067
1068                 // add new entities for the lightning
1069                 VectorCopy (b->start, org);
1070                 d = VectorNormalizeLength(dist);
1071                 while (d > 0)
1072                 {
1073                         ent = CL_NewTempEntity ();
1074                         if (!ent)
1075                                 return;
1076                         //VectorCopy (org, ent->render.origin);
1077                         ent->render.model = b->model;
1078                         ent->render.effects = EF_FULLBRIGHT;
1079                         //ent->render.angles[0] = pitch;
1080                         //ent->render.angles[1] = yaw;
1081                         //ent->render.angles[2] = rand()%360;
1082                         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, org[0], org[1], org[2], -pitch, yaw, lhrandom(0, 360), 1);
1083                         Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
1084                         CL_BoundingBoxForEntity(&ent->render);
1085                         VectorMA(org, 30, dist, org);
1086                         d -= 30;
1087                 }
1088         }
1089 }
1090
1091 void CL_LerpPlayer(float frac)
1092 {
1093         int i;
1094         float d;
1095
1096         cl.viewzoom = cl.viewzoomold + frac * (cl.viewzoomnew - cl.viewzoomold);
1097
1098         for (i = 0;i < 3;i++)
1099                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
1100
1101         if (cls.demoplayback)
1102         {
1103                 // interpolate the angles
1104                 for (i = 0;i < 3;i++)
1105                 {
1106                         d = cl.mviewangles[0][i] - cl.mviewangles[1][i];
1107                         if (d > 180)
1108                                 d -= 360;
1109                         else if (d < -180)
1110                                 d += 360;
1111                         cl.viewangles[i] = cl.mviewangles[1][i] + frac * d;
1112                 }
1113         }
1114 }
1115
1116 /*
1117 ===============
1118 CL_ReadFromServer
1119
1120 Read all incoming data from the server
1121 ===============
1122 */
1123 int CL_ReadFromServer(void)
1124 {
1125         CL_ReadDemoMessage();
1126
1127         r_refdef.numentities = 0;
1128         cl_num_entities = 0;
1129         cl_num_brushmodel_entities = 0;
1130
1131         if (cls.state == ca_connected && cls.signon == SIGNONS)
1132         {
1133                 // prepare for a new frame
1134                 CL_LerpPlayer(CL_LerpPoint());
1135                 CL_DecayLights();
1136                 CL_ClearTempEntities();
1137                 V_DriftPitch();
1138                 V_FadeViewFlashs();
1139
1140                 // relink network entities (note: this sets up the view!)
1141                 CL_RelinkNetworkEntities();
1142
1143                 // move particles
1144                 CL_MoveParticles();
1145                 R_MoveExplosions();
1146
1147                 // link stuff
1148                 CL_RelinkWorld();
1149                 CL_RelinkStaticEntities();
1150                 CL_RelinkBeams();
1151                 CL_RelinkEffects();
1152
1153                 // run cgame code (which can add more entities)
1154                 CL_CGVM_Frame();
1155
1156                 // update view blend
1157                 V_CalcViewBlend();
1158         }
1159
1160         return 0;
1161 }
1162
1163 /*
1164 =================
1165 CL_SendCmd
1166 =================
1167 */
1168 void CL_SendCmd(usercmd_t *cmd)
1169 {
1170         if (cls.signon == SIGNONS)
1171                 CL_SendMove(cmd);
1172
1173         if (cls.demoplayback)
1174         {
1175                 SZ_Clear(&cls.message);
1176                 return;
1177         }
1178
1179         // send the reliable message (forwarded commands) if there is one
1180         if (cls.message.cursize && NetConn_CanSendMessage(cls.netcon))
1181         {
1182                 if (developer.integer)
1183                 {
1184                         Con_Print("CL_SendCmd: sending reliable message:\n");
1185                         SZ_HexDumpToConsole(&cls.message);
1186                 }
1187                 if (NetConn_SendReliableMessage(cls.netcon, &cls.message) == -1)
1188                         Host_Error("CL_WriteToServer: lost server connection");
1189                 SZ_Clear(&cls.message);
1190         }
1191 }
1192
1193 // LordHavoc: pausedemo command
1194 static void CL_PauseDemo_f (void)
1195 {
1196         cls.demopaused = !cls.demopaused;
1197         if (cls.demopaused)
1198                 Con_Print("Demo paused\n");
1199         else
1200                 Con_Print("Demo unpaused\n");
1201 }
1202
1203 /*
1204 ======================
1205 CL_Fog_f
1206 ======================
1207 */
1208 static void CL_Fog_f (void)
1209 {
1210         if (Cmd_Argc () == 1)
1211         {
1212                 Con_Printf("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
1213                 return;
1214         }
1215         fog_density = atof(Cmd_Argv(1));
1216         fog_red = atof(Cmd_Argv(2));
1217         fog_green = atof(Cmd_Argv(3));
1218         fog_blue = atof(Cmd_Argv(4));
1219 }
1220
1221 /*
1222 =================
1223 CL_Init
1224 =================
1225 */
1226 void CL_Init (void)
1227 {
1228         cl_entities_mempool = Mem_AllocPool("client entities");
1229         cl_refdef_mempool = Mem_AllocPool("refdef");
1230
1231         memset(&r_refdef, 0, sizeof(r_refdef));
1232         // max entities sent to renderer per frame
1233         r_refdef.maxentities = MAX_EDICTS + 256 + 512;
1234         r_refdef.entities = Mem_Alloc(cl_refdef_mempool, sizeof(entity_render_t *) * r_refdef.maxentities);
1235         // 256k drawqueue buffer
1236         r_refdef.maxdrawqueuesize = 256 * 1024;
1237         r_refdef.drawqueue = Mem_Alloc(cl_refdef_mempool, r_refdef.maxdrawqueuesize);
1238
1239         SZ_Alloc (&cls.message, 1024, "cls.message");
1240
1241         CL_InitInput ();
1242         CL_InitTEnts ();
1243
1244 //
1245 // register our commands
1246 //
1247         Cvar_RegisterVariable (&cl_upspeed);
1248         Cvar_RegisterVariable (&cl_forwardspeed);
1249         Cvar_RegisterVariable (&cl_backspeed);
1250         Cvar_RegisterVariable (&cl_sidespeed);
1251         Cvar_RegisterVariable (&cl_movespeedkey);
1252         Cvar_RegisterVariable (&cl_yawspeed);
1253         Cvar_RegisterVariable (&cl_pitchspeed);
1254         Cvar_RegisterVariable (&cl_anglespeedkey);
1255         Cvar_RegisterVariable (&cl_shownet);
1256         Cvar_RegisterVariable (&cl_nolerp);
1257         Cvar_RegisterVariable (&lookspring);
1258         Cvar_RegisterVariable (&lookstrafe);
1259         Cvar_RegisterVariable (&sensitivity);
1260         Cvar_RegisterVariable (&freelook);
1261
1262         Cvar_RegisterVariable (&m_pitch);
1263         Cvar_RegisterVariable (&m_yaw);
1264         Cvar_RegisterVariable (&m_forward);
1265         Cvar_RegisterVariable (&m_side);
1266
1267         Cvar_RegisterVariable (&cl_itembobspeed);
1268         Cvar_RegisterVariable (&cl_itembobheight);
1269
1270         Cmd_AddCommand ("entities", CL_PrintEntities_f);
1271         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
1272         Cmd_AddCommand ("record", CL_Record_f);
1273         Cmd_AddCommand ("stop", CL_Stop_f);
1274         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
1275         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
1276
1277         Cmd_AddCommand ("fog", CL_Fog_f);
1278
1279         // LordHavoc: added pausedemo
1280         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
1281
1282         Cvar_RegisterVariable(&r_draweffects);
1283         Cvar_RegisterVariable(&cl_explosions);
1284         Cvar_RegisterVariable(&cl_explosions_alpha_start);
1285         Cvar_RegisterVariable(&cl_explosions_alpha_end);
1286         Cvar_RegisterVariable(&cl_explosions_size_start);
1287         Cvar_RegisterVariable(&cl_explosions_size_end);
1288         Cvar_RegisterVariable(&cl_explosions_lifetime);
1289         Cvar_RegisterVariable(&cl_stainmaps);
1290         Cvar_RegisterVariable(&cl_beams_polygons);
1291         Cvar_RegisterVariable(&cl_beams_relative);
1292         Cvar_RegisterVariable(&cl_beams_lightatend);
1293         Cvar_RegisterVariable(&cl_noplayershadow);
1294
1295         CL_Parse_Init();
1296         CL_Particles_Init();
1297         CL_Screen_Init();
1298         CL_CGVM_Init();
1299
1300         CL_Video_Init();
1301 }
1302