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 #include "r_shadow.h"
  27
  28 // we need to declare some mouse variables here, because the menu system
  29 // references them even when on a unix system.
  30
  31 cvar_t cl_shownet = {0, "cl_shownet","0"};
  32 cvar_t cl_nolerp = {0, "cl_nolerp", "0"};
  33
  34 cvar_t cl_itembobheight = {0, "cl_itembobheight", "0"}; // try 8
  35 cvar_t cl_itembobspeed = {0, "cl_itembobspeed", "0.5"};
  36
  37 cvar_t lookspring = {CVAR_SAVE, "lookspring","0"};
  38 cvar_t lookstrafe = {CVAR_SAVE, "lookstrafe","0"};
  39 cvar_t sensitivity = {CVAR_SAVE, "sensitivity","3", 1, 30};
  40
  41 cvar_t m_pitch = {CVAR_SAVE, "m_pitch","0.022"};
  42 cvar_t m_yaw = {CVAR_SAVE, "m_yaw","0.022"};
  43 cvar_t m_forward = {CVAR_SAVE, "m_forward","1"};
  44 cvar_t m_side = {CVAR_SAVE, "m_side","0.8"};
  45
  46 cvar_t freelook = {CVAR_SAVE, "freelook", "1"};
  47
  48 cvar_t r_draweffects = {0, "r_draweffects", "1"};
  49
  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"};
  52 cvar_t cl_explosions_size_start = {CVAR_SAVE, "cl_explosions_size_start", "16"};
  53 cvar_t cl_explosions_size_end = {CVAR_SAVE, "cl_explosions_size_end", "128"};
  54 cvar_t cl_explosions_lifetime = {CVAR_SAVE, "cl_explosions_lifetime", "0.5"};
  55
  56 cvar_t cl_stainmaps = {CVAR_SAVE, "cl_stainmaps", "1"};
  57 cvar_t cl_stainmaps_clearonload = {CVAR_SAVE, "cl_stainmaps_clearonload", "1"};
  58
  59 cvar_t cl_beams_polygons = {CVAR_SAVE, "cl_beams_polygons", "1"};
  60 cvar_t cl_beams_relative = {CVAR_SAVE, "cl_beams_relative", "1"};
  61 cvar_t cl_beams_lightatend = {CVAR_SAVE, "cl_beams_lightatend", "0"};
  62
  63 cvar_t cl_noplayershadow = {CVAR_SAVE, "cl_noplayershadow", "0"};
  64
  65 cvar_t cl_prydoncursor = {0, "cl_prydoncursor", "0"};
  66
  67 cvar_t cl_deathnoviewmodel = {0, "cl_deathnoviewmodel", "1"};
  68
  69 vec3_t cl_playerstandmins;
  70 vec3_t cl_playerstandmaxs;
  71 vec3_t cl_playercrouchmins;
  72 vec3_t cl_playercrouchmaxs;
  73
  74 mempool_t *cl_mempool;
  75
  76 client_static_t cls;
  77 client_state_t  cl;
  78
  79 int cl_max_entities;
  80 int cl_max_static_entities;
  81 int cl_max_temp_entities;
  82 int cl_max_effects;
  83 int cl_max_beams;
  84 int cl_max_dlights;
  85 int cl_max_lightstyle;
  86 int cl_max_brushmodel_entities;
  87 int cl_activedlights;
  88
  89 entity_t *cl_entities;
  90 qbyte *cl_entities_active;
  91 entity_t *cl_static_entities;
  92 entity_t *cl_temp_entities;
  93 cl_effect_t *cl_effects;
  94 beam_t *cl_beams;
  95 dlight_t *cl_dlights;
  96 lightstyle_t *cl_lightstyle;
  97 int *cl_brushmodel_entities;
  98
  99 int cl_num_entities;
 100 int cl_num_static_entities;
 101 int cl_num_temp_entities;
 102 int cl_num_brushmodel_entities;
 103
 104 // keep track of quake entities because they need to be killed if they get stale
 105 extern int cl_lastquakeentity;
 106 extern qbyte cl_isquakeentity[MAX_EDICTS];
 107
 108 /*
 109 =====================
 110 CL_ClearState
 111
 112 =====================
 113 */
 114 void CL_ClearState(void)
 115 {
 116         int i;
 117
 118         if (cl_entities) Mem_Free(cl_entities);cl_entities = NULL;
 119         if (cl_entities_active) Mem_Free(cl_entities_active);cl_entities_active = NULL;
 120         if (cl_static_entities) Mem_Free(cl_static_entities);cl_static_entities = NULL;
 121         if (cl_temp_entities) Mem_Free(cl_temp_entities);cl_temp_entities = NULL;
 122         if (cl_effects) Mem_Free(cl_effects);cl_effects = NULL;
 123         if (cl_beams) Mem_Free(cl_beams);cl_beams = NULL;
 124         if (cl_dlights) Mem_Free(cl_dlights);cl_dlights = NULL;
 125         if (cl_lightstyle) Mem_Free(cl_lightstyle);cl_lightstyle = NULL;
 126         if (cl_brushmodel_entities) Mem_Free(cl_brushmodel_entities);cl_brushmodel_entities = NULL;
 127         if (cl.entitydatabase) EntityFrame_FreeDatabase(cl.entitydatabase);cl.entitydatabase = NULL;
 128         if (cl.entitydatabase4) EntityFrame4_FreeDatabase(cl.entitydatabase4);cl.entitydatabase4 = NULL;
 129         if (cl.scores) Mem_Free(cl.scores);cl.scores = NULL;
 130
 131         if (!sv.active)
 132                 Host_ClearMemory ();
 133
 134 // wipe the entire cl structure
 135         memset (&cl, 0, sizeof(cl));
 136         // reset the view zoom interpolation
 137         cl.mviewzoom[0] = cl.mviewzoom[1] = 1;
 138
 139         SZ_Clear (&cls.message);
 140
 141         cl_num_entities = 0;
 142         cl_num_static_entities = 0;
 143         cl_num_temp_entities = 0;
 144         cl_num_brushmodel_entities = 0;
 145
 146         // tweak these if the game runs out
 147         cl_max_entities = 256;
 148         cl_max_static_entities = 256;
 149         cl_max_temp_entities = 512;
 150         cl_max_effects = 256;
 151         cl_max_beams = 256;
 152         cl_max_dlights = MAX_DLIGHTS;
 153         cl_max_lightstyle = MAX_LIGHTSTYLES;
 154         cl_max_brushmodel_entities = MAX_EDICTS;
 155         cl_activedlights = 0;
 156
 157         cl_entities = (entity_t *)Mem_Alloc(cl_mempool, cl_max_entities * sizeof(entity_t));
 158         cl_entities_active = (qbyte *)Mem_Alloc(cl_mempool, cl_max_brushmodel_entities * sizeof(qbyte));
 159         cl_static_entities = (entity_t *)Mem_Alloc(cl_mempool, cl_max_static_entities * sizeof(entity_t));
 160         cl_temp_entities = (entity_t *)Mem_Alloc(cl_mempool, cl_max_temp_entities * sizeof(entity_t));
 161         cl_effects = (cl_effect_t *)Mem_Alloc(cl_mempool, cl_max_effects * sizeof(cl_effect_t));
 162         cl_beams = (beam_t *)Mem_Alloc(cl_mempool, cl_max_beams * sizeof(beam_t));
 163         cl_dlights = (dlight_t *)Mem_Alloc(cl_mempool, cl_max_dlights * sizeof(dlight_t));
 164         cl_lightstyle = (lightstyle_t *)Mem_Alloc(cl_mempool, cl_max_lightstyle * sizeof(lightstyle_t));
 165         cl_brushmodel_entities = (int *)Mem_Alloc(cl_mempool, cl_max_brushmodel_entities * sizeof(int));
 166
 167         cl_lastquakeentity = 0;
 168         memset(cl_isquakeentity, 0, sizeof(cl_isquakeentity));
 169
 170         // LordHavoc: have to set up the baseline info for alpha and other stuff
 171         for (i = 0;i < cl_max_entities;i++)
 172         {
 173                 cl_entities[i].state_baseline = defaultstate;
 174                 cl_entities[i].state_previous = defaultstate;
 175                 cl_entities[i].state_current = defaultstate;
 176         }
 177
 178         if (gamemode == GAME_NEXUIZ)
 179         {
 180                 VectorSet(cl_playerstandmins, -16, -16, -24);
 181                 VectorSet(cl_playerstandmaxs, 16, 16, 45);
 182                 VectorSet(cl_playercrouchmins, -16, -16, -24);
 183                 VectorSet(cl_playercrouchmaxs, 16, 16, 25);
 184         }
 185         else
 186         {
 187                 VectorSet(cl_playerstandmins, -16, -16, -24);
 188                 VectorSet(cl_playerstandmaxs, 16, 16, 24);
 189                 VectorSet(cl_playercrouchmins, -16, -16, -24);
 190                 VectorSet(cl_playercrouchmaxs, 16, 16, 24);
 191         }
 192
 193         CL_Screen_NewMap();
 194         CL_Particles_Clear();
 195         CL_CGVM_Clear();
 196 }
 197
 198 void CL_ExpandEntities(int num)
 199 {
 200         int i, oldmaxentities;
 201         entity_t *oldentities;
 202         if (num >= cl_max_entities)
 203         {
 204                 if (!cl_entities)
 205                         Sys_Error("CL_ExpandEntities: cl_entities not initialized\n");
 206                 if (num >= MAX_EDICTS)
 207                         Host_Error("CL_ExpandEntities: num %i >= %i\n", num, MAX_EDICTS);
 208                 oldmaxentities = cl_max_entities;
 209                 oldentities = cl_entities;
 210                 cl_max_entities = (num & ~255) + 256;
 211                 cl_entities = (entity_t *)Mem_Alloc(cl_mempool, cl_max_entities * sizeof(entity_t));
 212                 memcpy(cl_entities, oldentities, oldmaxentities * sizeof(entity_t));
 213                 Mem_Free(oldentities);
 214                 for (i = oldmaxentities;i < cl_max_entities;i++)
 215                 {
 216                         cl_entities[i].state_baseline = defaultstate;
 217                         cl_entities[i].state_previous = defaultstate;
 218                         cl_entities[i].state_current = defaultstate;
 219                 }
 220         }
 221 }
 222
 223 /*
 224 =====================
 225 CL_Disconnect
 226
 227 Sends a disconnect message to the server
 228 This is also called on Host_Error, so it shouldn't cause any errors
 229 =====================
 230 */
 231 void CL_Disconnect(void)
 232 {
 233         if (cls.state == ca_dedicated)
 234                 return;
 235
 236         Con_DPrintf("CL_Disconnect\n");
 237
 238 // stop sounds (especially looping!)
 239         S_StopAllSounds ();
 240
 241         // clear contents blends
 242         cl.cshifts[0].percent = 0;
 243         cl.cshifts[1].percent = 0;
 244         cl.cshifts[2].percent = 0;
 245         cl.cshifts[3].percent = 0;
 246
 247         cl.worldmodel = NULL;
 248
 249         if (cls.demoplayback)
 250                 CL_StopPlayback();
 251         else if (cls.netcon)
 252         {
 253                 if (cls.demorecording)
 254                         CL_Stop_f();
 255
 256                 Con_DPrint("Sending clc_disconnect\n");
 257                 SZ_Clear(&cls.message);
 258                 MSG_WriteByte(&cls.message, clc_disconnect);
 259                 NetConn_SendUnreliableMessage(cls.netcon, &cls.message);
 260                 SZ_Clear(&cls.message);
 261                 NetConn_Close(cls.netcon);
 262                 cls.netcon = NULL;
 263         }
 264         cls.state = ca_disconnected;
 265
 266         cls.demoplayback = cls.timedemo = false;
 267         cls.signon = 0;
 268 }
 269
 270 void CL_Disconnect_f(void)
 271 {
 272         CL_Disconnect ();
 273         if (sv.active)
 274                 Host_ShutdownServer (false);
 275 }
 276
 277
 278
 279
 280 /*
 281 =====================
 282 CL_EstablishConnection
 283
 284 Host should be either "local" or a net address
 285 =====================
 286 */
 287 void CL_EstablishConnection(const char *host)
 288 {
 289         if (cls.state == ca_dedicated)
 290                 return;
 291
 292         // clear menu's connect error message
 293         M_Update_Return_Reason("");
 294         cls.demonum = -1;
 295
 296         // stop demo loop in case this fails
 297         CL_Disconnect();
 298         NetConn_ClientFrame();
 299         NetConn_ServerFrame();
 300
 301         if (LHNETADDRESS_FromString(&cls.connect_address, host, 26000) && (cls.connect_mysocket = NetConn_ChooseClientSocketForAddress(&cls.connect_address)))
 302         {
 303                 cls.connect_trying = true;
 304                 cls.connect_remainingtries = 3;
 305                 cls.connect_nextsendtime = 0;
 306                 M_Update_Return_Reason("Trying to connect...");
 307                 if (sv.active)
 308                 {
 309                         NetConn_ClientFrame();
 310                         NetConn_ServerFrame();
 311                         NetConn_ClientFrame();
 312                         NetConn_ServerFrame();
 313                         NetConn_ClientFrame();
 314                         NetConn_ServerFrame();
 315                         NetConn_ClientFrame();
 316                         NetConn_ServerFrame();
 317                 }
 318         }
 319         else
 320         {
 321                 Con_Print("Unable to find a suitable network socket to connect to server.\n");
 322                 M_Update_Return_Reason("No network");
 323         }
 324 }
 325
 326 /*
 327 ==============
 328 CL_PrintEntities_f
 329 ==============
 330 */
 331 static void CL_PrintEntities_f(void)
 332 {
 333         entity_t *ent;
 334         int i, j;
 335         char name[32];
 336
 337         for (i = 0, ent = cl_entities;i < cl_num_entities;i++, ent++)
 338         {
 339                 if (!ent->state_current.active)
 340                         continue;
 341
 342                 if (ent->render.model)
 343                         strlcpy (name, ent->render.model->name, 25);
 344                 else
 345                         strcpy(name, "--no model--");
 346                 for (j = (int)strlen(name);j < 25;j++)
 347                         name[j] = ' ';
 348                 Con_Printf("%3i: %s:%4i (%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);
 349         }
 350 }
 351
 352 //static const vec3_t nomodelmins = {-16, -16, -16};
 353 //static const vec3_t nomodelmaxs = {16, 16, 16};
 354 void CL_BoundingBoxForEntity(entity_render_t *ent)
 355 {
 356         if (ent->model)
 357         {
 358                 //if (ent->angles[0] || ent->angles[2])
 359                 if (ent->matrix.m[2][0] != 0 || ent->matrix.m[2][1] != 0)
 360                 {
 361                         // pitch or roll
 362                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->rotatedmins[0];
 363                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->rotatedmins[1];
 364                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->rotatedmins[2];
 365                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->rotatedmaxs[0];
 366                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->rotatedmaxs[1];
 367                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->rotatedmaxs[2];
 368                         //VectorAdd(ent->origin, ent->model->rotatedmins, ent->mins);
 369                         //VectorAdd(ent->origin, ent->model->rotatedmaxs, ent->maxs);
 370                 }
 371                 //else if (ent->angles[1])
 372                 else if (ent->matrix.m[0][1] != 0 || ent->matrix.m[1][0] != 0)
 373                 {
 374                         // yaw
 375                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->yawmins[0];
 376                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->yawmins[1];
 377                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->yawmins[2];
 378                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->yawmaxs[0];
 379                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->yawmaxs[1];
 380                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->yawmaxs[2];
 381                         //VectorAdd(ent->origin, ent->model->yawmins, ent->mins);
 382                         //VectorAdd(ent->origin, ent->model->yawmaxs, ent->maxs);
 383                 }
 384                 else
 385                 {
 386                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->normalmins[0];
 387                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->normalmins[1];
 388                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->normalmins[2];
 389                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->normalmaxs[0];
 390                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->normalmaxs[1];
 391                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->normalmaxs[2];
 392                         //VectorAdd(ent->origin, ent->model->normalmins, ent->mins);
 393                         //VectorAdd(ent->origin, ent->model->normalmaxs, ent->maxs);
 394                 }
 395         }
 396         else
 397         {
 398                 ent->mins[0] = ent->matrix.m[0][3] - 16;
 399                 ent->mins[1] = ent->matrix.m[1][3] - 16;
 400                 ent->mins[2] = ent->matrix.m[2][3] - 16;
 401                 ent->maxs[0] = ent->matrix.m[0][3] + 16;
 402                 ent->maxs[1] = ent->matrix.m[1][3] + 16;
 403                 ent->maxs[2] = ent->matrix.m[2][3] + 16;
 404                 //VectorAdd(ent->origin, nomodelmins, ent->mins);
 405                 //VectorAdd(ent->origin, nomodelmaxs, ent->maxs);
 406         }
 407 }
 408
 409 /*
 410 ===============
 411 CL_LerpPoint
 412
 413 Determines the fraction between the last two messages that the objects
 414 should be put at.
 415 ===============
 416 */
 417 static float CL_LerpPoint(void)
 418 {
 419         float f;
 420
 421         // dropped packet, or start of demo
 422         if (cl.mtime[1] < cl.mtime[0] - 0.1)
 423                 cl.mtime[1] = cl.mtime[0] - 0.1;
 424
 425         cl.time = bound(cl.mtime[1], cl.time, cl.mtime[0]);
 426
 427         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 428         f = cl.mtime[0] - cl.mtime[1];
 429         if (!f || cl_nolerp.integer || cls.timedemo || cl.islocalgame)
 430         {
 431                 cl.time = cl.mtime[0];
 432                 return 1;
 433         }
 434
 435         f = (cl.time - cl.mtime[1]) / f;
 436         return bound(0, f, 1);
 437 }
 438
 439 void CL_ClearTempEntities (void)
 440 {
 441         cl_num_temp_entities = 0;
 442 }
 443
 444 entity_t *CL_NewTempEntity(void)
 445 {
 446         entity_t *ent;
 447
 448         if (r_refdef.numentities >= r_refdef.maxentities)
 449                 return NULL;
 450         if (cl_num_temp_entities >= cl_max_temp_entities)
 451                 return NULL;
 452         ent = &cl_temp_entities[cl_num_temp_entities++];
 453         memset (ent, 0, sizeof(*ent));
 454         r_refdef.entities[r_refdef.numentities++] = &ent->render;
 455
 456         ent->render.colormap = -1; // no special coloring
 457         ent->render.scale = 1;
 458         ent->render.alpha = 1;
 459         VectorSet(ent->render.colormod, 1, 1, 1);
 460         return ent;
 461 }
 462
 463 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
 464 {
 465         int i;
 466         cl_effect_t *e;
 467         if (!modelindex) // sanity check
 468                 return;
 469         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
 470         {
 471                 if (e->active)
 472                         continue;
 473                 e->active = true;
 474                 VectorCopy(org, e->origin);
 475                 e->modelindex = modelindex;
 476                 e->starttime = cl.time;
 477                 e->startframe = startframe;
 478                 e->endframe = startframe + framecount;
 479                 e->framerate = framerate;
 480
 481                 e->frame = 0;
 482                 e->frame1time = cl.time;
 483                 e->frame2time = cl.time;
 484                 break;
 485         }
 486 }
 487
 488 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, vec_t coronasizescale, vec_t ambientscale, vec_t diffusescale, vec_t specularscale, int flags)
 489 {
 490         int i;
 491         dlight_t *dl;
 492
 493         /*
 494 // first look for an exact key match
 495         if (ent)
 496         {
 497                 dl = cl_dlights;
 498                 for (i = 0;i < cl_activedlights;i++, dl++)
 499                         if (dl->ent == ent)
 500                                 goto dlightsetup;
 501         }
 502         */
 503
 504 // then look for anything else
 505         dl = cl_dlights;
 506         for (i = 0;i < cl_activedlights;i++, dl++)
 507                 if (!dl->radius)
 508                         goto dlightsetup;
 509         // if we hit the end of the active dlights and found no gaps, add a new one
 510         if (i < MAX_DLIGHTS)
 511         {
 512                 cl_activedlights = i + 1;
 513                 goto dlightsetup;
 514         }
 515
 516         // unable to find one
 517         return;
 518
 519 dlightsetup:
 520         //Con_Printf("dlight %i : %f %f %f : %f %f %f\n", i, org[0], org[1], org[2], red * radius, green * radius, blue * radius);
 521         memset (dl, 0, sizeof(*dl));
 522         dl->matrix = *matrix;
 523         dl->ent = ent;
 524         dl->origin[0] = dl->matrix.m[0][3];
 525         dl->origin[1] = dl->matrix.m[1][3];
 526         dl->origin[2] = dl->matrix.m[2][3];
 527         CL_FindNonSolidLocation(dl->origin, dl->origin, 6);
 528         dl->matrix.m[0][3] = dl->origin[0];
 529         dl->matrix.m[1][3] = dl->origin[1];
 530         dl->matrix.m[2][3] = dl->origin[2];
 531         dl->radius = radius;
 532         dl->color[0] = red;
 533         dl->color[1] = green;
 534         dl->color[2] = blue;
 535         dl->decay = decay;
 536         if (lifetime)
 537                 dl->die = cl.time + lifetime;
 538         else
 539                 dl->die = 0;
 540         dl->cubemapnum = cubemapnum;
 541         dl->style = style;
 542         dl->shadow = shadowenable;
 543         dl->corona = corona;
 544         dl->flags = flags;
 545         dl->coronasizescale = coronasizescale;
 546         dl->ambientscale = ambientscale;
 547         dl->diffusescale = diffusescale;
 548         dl->specularscale = specularscale;
 549 }
 550
 551 // called before entity relinking
 552 void CL_DecayLights(void)
 553 {
 554         int i, oldmax;
 555         dlight_t *dl;
 556         float time, f;
 557
 558         time = cl.time - cl.oldtime;
 559         oldmax = cl_activedlights;
 560         cl_activedlights = 0;
 561         for (i = 0, dl = cl_dlights;i < oldmax;i++, dl++)
 562         {
 563                 if (dl->radius)
 564                 {
 565                         f = dl->radius - time * dl->decay;
 566                         if (cl.time < dl->die && f > 0)
 567                         {
 568                                 dl->radius = dl->radius - time * dl->decay;
 569                                 cl_activedlights = i + 1;
 570                         }
 571                         else
 572                                 dl->radius = 0;
 573                 }
 574         }
 575 }
 576
 577 // called after entity relinking
 578 void CL_UpdateLights(void)
 579 {
 580         int i, j, k, l;
 581         dlight_t *dl;
 582         float frac, f;
 583
 584         r_refdef.numlights = 0;
 585         if (r_dynamic.integer)
 586         {
 587                 for (i = 0, dl = cl_dlights;i < cl_activedlights;i++, dl++)
 588                 {
 589                         if (dl->radius)
 590                         {
 591                                 R_RTLight_Update(dl, false);
 592                                 r_refdef.lights[r_refdef.numlights++] = dl;
 593                         }
 594                 }
 595         }
 596
 597 // light animations
 598 // 'm' is normal light, 'a' is no light, 'z' is double bright
 599         f = cl.time * 10;
 600         i = (int)floor(f);
 601         frac = f - i;
 602         for (j = 0;j < MAX_LIGHTSTYLES;j++)
 603         {
 604                 if (!cl_lightstyle || !cl_lightstyle[j].length)
 605                 {
 606                         r_refdef.lightstylevalue[j] = 256;
 607                         continue;
 608                 }
 609                 k = i % cl_lightstyle[j].length;
 610                 l = (i-1) % cl_lightstyle[j].length;
 611                 k = cl_lightstyle[j].map[k] - 'a';
 612                 l = cl_lightstyle[j].map[l] - 'a';
 613                 r_refdef.lightstylevalue[j] = ((k*frac)+(l*(1-frac)))*22;
 614         }
 615 }
 616
 617 #define MAXVIEWMODELS 32
 618 entity_t *viewmodels[MAXVIEWMODELS];
 619 int numviewmodels;
 620
 621 matrix4x4_t viewmodelmatrix;
 622
 623 static int entitylinkframenumber;
 624
 625 static const vec3_t muzzleflashorigin = {18, 0, 0};
 626
 627 extern void V_DriftPitch(void);
 628 extern void V_FadeViewFlashs(void);
 629 extern void V_CalcViewBlend(void);
 630
 631 extern void V_CalcRefdef(void);
 632 // note this is a recursive function, but it can never get in a runaway loop (because of the delayedlink flags)
 633 void CL_LinkNetworkEntity(entity_t *e)
 634 {
 635         matrix4x4_t *matrix, blendmatrix, tempmatrix, matrix2;
 636         //matrix4x4_t dlightmatrix;
 637         int j, k, l, trailtype, temp;
 638         float origin[3], angles[3], delta[3], lerp, dlightcolor[3], dlightradius, mins[3], maxs[3], v2[3], d;
 639         entity_t *t;
 640         model_t *model;
 641         trace_t trace;
 642         //entity_persistent_t *p = &e->persistent;
 643         //entity_render_t *r = &e->render;
 644         if (e->persistent.linkframe != entitylinkframenumber)
 645         {
 646                 e->persistent.linkframe = entitylinkframenumber;
 647                 // skip inactive entities and world
 648                 if (!e->state_current.active || e == cl_entities)
 649                         return;
 650                 e->render.alpha = e->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 651                 e->render.scale = e->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 652                 e->render.flags = e->state_current.flags;
 653                 e->render.effects = e->state_current.effects;
 654                 VectorScale(e->state_current.colormod, (1.0f / 32.0f), e->render.colormod);
 655                 if (e->state_current.flags & RENDER_COLORMAPPED)
 656                 {
 657                         int cb;
 658                         qbyte *cbcolor;
 659                         e->render.colormap = e->state_current.colormap;
 660                         cb = (e->render.colormap & 0xF) << 4;cb += (cb >= 128 && cb < 224) ? 4 : 12;
 661                         cbcolor = (qbyte *) (&palette_complete[cb]);
 662                         e->render.colormap_pantscolor[0] = cbcolor[0] * (1.0f / 255.0f) * e->render.colormod[0];
 663                         e->render.colormap_pantscolor[1] = cbcolor[1] * (1.0f / 255.0f) * e->render.colormod[1];
 664                         e->render.colormap_pantscolor[2] = cbcolor[2] * (1.0f / 255.0f) * e->render.colormod[2];
 665                         cb = (e->render.colormap & 0xF0);cb += (cb >= 128 && cb < 224) ? 4 : 12;
 666                         cbcolor = (qbyte *) (&palette_complete[cb]);
 667                         e->render.colormap_shirtcolor[0] = cbcolor[0] * (1.0f / 255.0f) * e->render.colormod[0];
 668                         e->render.colormap_shirtcolor[1] = cbcolor[1] * (1.0f / 255.0f) * e->render.colormod[1];
 669                         e->render.colormap_shirtcolor[2] = cbcolor[2] * (1.0f / 255.0f) * e->render.colormod[2];
 670                 }
 671                 else if (e->state_current.colormap && cl.scores != NULL)
 672                 {
 673                         int cb;
 674                         qbyte *cbcolor;
 675                         e->render.colormap = cl.scores[e->state_current.colormap - 1].colors; // color it
 676                         cb = (e->render.colormap & 0xF) << 4;cb += (cb >= 128 && cb < 224) ? 4 : 12;
 677                         cbcolor = (qbyte *) (&palette_complete[cb]);
 678                         e->render.colormap_pantscolor[0] = cbcolor[0] * (1.0f / 255.0f) * e->render.colormod[0];
 679                         e->render.colormap_pantscolor[1] = cbcolor[1] * (1.0f / 255.0f) * e->render.colormod[1];
 680                         e->render.colormap_pantscolor[2] = cbcolor[2] * (1.0f / 255.0f) * e->render.colormod[2];
 681                         cb = (e->render.colormap & 0xF0);cb += (cb >= 128 && cb < 224) ? 4 : 12;
 682                         cbcolor = (qbyte *) (&palette_complete[cb]);
 683                         e->render.colormap_shirtcolor[0] = cbcolor[0] * (1.0f / 255.0f) * e->render.colormod[0];
 684                         e->render.colormap_shirtcolor[1] = cbcolor[1] * (1.0f / 255.0f) * e->render.colormod[1];
 685                         e->render.colormap_shirtcolor[2] = cbcolor[2] * (1.0f / 255.0f) * e->render.colormod[2];
 686                 }
 687                 else
 688                 {
 689                         e->render.colormap = -1; // no special coloring
 690                         VectorClear(e->render.colormap_pantscolor);
 691                         VectorClear(e->render.colormap_shirtcolor);
 692                 }
 693                 e->render.skinnum = e->state_current.skin;
 694                 if (e->render.flags & RENDER_VIEWMODEL && !e->state_current.tagentity)
 695                 {
 696                         if (!r_drawviewmodel.integer || chase_active.integer || envmap)
 697                                 return;
 698                         if (cl.viewentity)
 699                                 CL_LinkNetworkEntity(cl_entities + cl.viewentity);
 700                         matrix = &viewmodelmatrix;
 701                         if (e == &cl.viewent && cl_entities[cl.viewentity].state_current.active)
 702                         {
 703                                 e->state_current.alpha = cl_entities[cl.viewentity].state_current.alpha;
 704                                 e->state_current.effects = EF_NOSHADOW | (cl_entities[cl.viewentity].state_current.effects & (EF_ADDITIVE | EF_REFLECTIVE | EF_FULLBRIGHT | EF_NODEPTHTEST));
 705                         }
 706                 }
 707                 else
 708                 {
 709                         // if the tag entity is currently impossible, skip it
 710                         if (e->state_current.tagentity >= cl_num_entities)
 711                                 return;
 712                         t = cl_entities + e->state_current.tagentity;
 713                         // if the tag entity is inactive, skip it
 714                         if (!t->state_current.active)
 715                                 return;
 716                         // note: this can link to world
 717                         CL_LinkNetworkEntity(t);
 718                         // make relative to the entity
 719                         matrix = &t->render.matrix;
 720                         // some properties of the tag entity carry over
 721                         e->render.flags |= t->render.flags & (RENDER_EXTERIORMODEL | RENDER_VIEWMODEL);
 722                         // if a valid tagindex is used, make it relative to that tag instead
 723                         // FIXME: use a model function to get tag info (need to handle skeletal)
 724                         if (e->state_current.tagentity && e->state_current.tagindex >= 1 && (model = t->render.model))
 725                         {
 726                                 // blend the matrices
 727                                 memset(&blendmatrix, 0, sizeof(blendmatrix));
 728                                 for (j = 0;j < 4 && t->render.frameblend[j].lerp > 0;j++)
 729                                 {
 730                                         matrix4x4_t tagmatrix;
 731                                         Mod_Alias_GetTagMatrix(model, t->render.frameblend[j].frame, e->state_current.tagindex - 1, &tagmatrix);
 732                                         d = t->render.frameblend[j].lerp;
 733                                         for (l = 0;l < 4;l++)
 734                                                 for (k = 0;k < 4;k++)
 735                                                         blendmatrix.m[l][k] += d * tagmatrix.m[l][k];
 736                                 }
 737                                 // concat the tag matrices onto the entity matrix
 738                                 Matrix4x4_Concat(&tempmatrix, &t->render.matrix, &blendmatrix);
 739                                 // use the constructed tag matrix
 740                                 matrix = &tempmatrix;
 741                         }
 742                 }
 743
 744                 // movement lerp
 745                 // if it's the player entity, update according to client movement
 746                 if (e == cl_entities + cl.playerentity && cl.movement)
 747                 {
 748                         lerp = (cl.time - cl.mtime[1]) / (cl.mtime[0] - cl.mtime[1]);
 749                         lerp = bound(0, lerp, 1);
 750                         VectorLerp(cl.movement_oldorigin, lerp, cl.movement_origin, origin);
 751                         VectorSet(angles, 0, cl.viewangles[1], 0);
 752                 }
 753                 else if (e->persistent.lerpdeltatime > 0 && (lerp = (cl.time - e->persistent.lerpstarttime) / e->persistent.lerpdeltatime) < 1)
 754                 {
 755                         // interpolate the origin and angles
 756                         VectorLerp(e->persistent.oldorigin, lerp, e->persistent.neworigin, origin);
 757                         VectorSubtract(e->persistent.newangles, e->persistent.oldangles, delta);
 758                         if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
 759                         if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
 760                         if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
 761                         VectorMA(e->persistent.oldangles, lerp, delta, angles);
 762                 }
 763                 else
 764                 {
 765                         // no interpolation
 766                         VectorCopy(e->persistent.neworigin, origin);
 767                         VectorCopy(e->persistent.newangles, angles);
 768                 }
 769
 770                 // model setup and some modelflags
 771                 e->render.model = cl.model_precache[e->state_current.modelindex];
 772                 if (e->render.model)
 773                 {
 774                         // if model is alias or this is a tenebrae-like dlight, reverse pitch direction
 775                         if (e->render.model->type == mod_alias || (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC))
 776                                 angles[0] = -angles[0];
 777                         if ((e->render.model->flags & EF_ROTATE) && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
 778                         {
 779                                 angles[1] = ANGLEMOD(100*cl.time);
 780                                 if (cl_itembobheight.value)
 781                                         origin[2] += (cos(cl.time * cl_itembobspeed.value * (2.0 * M_PI)) + 1.0) * 0.5 * cl_itembobheight.value;
 782                         }
 783                         // transfer certain model flags to effects
 784                         e->render.effects |= e->render.model->flags2 & (EF_FULLBRIGHT | EF_ADDITIVE);
 785                         if (cl_prydoncursor.integer && (e->render.effects & EF_SELECTABLE) && cl.cmd.cursor_entitynumber == e->state_current.number)
 786                                 VectorScale(e->render.colormod, 2, e->render.colormod);
 787                 }
 788
 789                 // animation lerp
 790                 if (e->render.frame2 == e->state_current.frame)
 791                 {
 792                         // update frame lerp fraction
 793                         e->render.framelerp = 1;
 794                         if (e->render.frame2time > e->render.frame1time)
 795                         {
 796                                 // make sure frame lerp won't last longer than 100ms
 797                                 // (this mainly helps with models that use framegroups and
 798                                 // switch between them infrequently)
 799                                 e->render.framelerp = (cl.time - e->render.frame2time) / min(e->render.frame2time - e->render.frame1time, 0.1);
 800                                 e->render.framelerp = bound(0, e->render.framelerp, 1);
 801                         }
 802                 }
 803                 else
 804                 {
 805                         // begin a new frame lerp
 806                         e->render.frame1 = e->render.frame2;
 807                         e->render.frame1time = e->render.frame2time;
 808                         e->render.frame = e->render.frame2 = e->state_current.frame;
 809                         e->render.frame2time = cl.time;
 810                         e->render.framelerp = 0;
 811                 }
 812                 R_LerpAnimation(&e->render);
 813
 814                 // set up the render matrix
 815                 // FIXME: e->render.scale should go away
 816                 Matrix4x4_CreateFromQuakeEntity(&matrix2, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
 817                 // concat the matrices to make the entity relative to its tag
 818                 Matrix4x4_Concat(&e->render.matrix, matrix, &matrix2);
 819                 // make the other useful stuff
 820                 Matrix4x4_Invert_Simple(&e->render.inversematrix, &e->render.matrix);
 821                 CL_BoundingBoxForEntity(&e->render);
 822
 823                 // handle effects now that we know where this entity is in the world...
 824                 if (e->render.model && e->render.model->soundfromcenter)
 825                 {
 826                         // bmodels are treated specially since their origin is usually '0 0 0'
 827                         vec3_t o;
 828                         VectorMAM(0.5f, e->render.model->normalmins, 0.5f, e->render.model->normalmaxs, o);
 829                         Matrix4x4_Transform(&e->render.matrix, o, origin);
 830                 }
 831                 else
 832                 {
 833                         origin[0] = e->render.matrix.m[0][3];
 834                         origin[1] = e->render.matrix.m[1][3];
 835                         origin[2] = e->render.matrix.m[2][3];
 836                 }
 837                 trailtype = -1;
 838                 dlightradius = 0;
 839                 dlightcolor[0] = 0;
 840                 dlightcolor[1] = 0;
 841                 dlightcolor[2] = 0;
 842                 // LordHavoc: if the entity has no effects, don't check each
 843                 if (e->render.effects)
 844                 {
 845                         if (e->render.effects & EF_BRIGHTFIELD)
 846                         {
 847                                 if (gamemode == GAME_NEXUIZ)
 848                                 {
 849                                         dlightradius = max(dlightradius, 200);
 850                                         dlightcolor[0] += 0.75f;
 851                                         dlightcolor[1] += 1.50f;
 852                                         dlightcolor[2] += 3.00f;
 853                                         trailtype = 8;
 854                                 }
 855                                 else
 856                                         CL_EntityParticles(e);
 857                         }
 858                         if (e->render.effects & EF_MUZZLEFLASH)
 859                                 e->persistent.muzzleflash = 1.0f;
 860                         if (e->render.effects & EF_DIMLIGHT)
 861                         {
 862                                 dlightradius = max(dlightradius, 200);
 863                                 dlightcolor[0] += 1.50f;
 864                                 dlightcolor[1] += 1.50f;
 865                                 dlightcolor[2] += 1.50f;
 866                         }
 867                         if (e->render.effects & EF_BRIGHTLIGHT)
 868                         {
 869                                 dlightradius = max(dlightradius, 400);
 870                                 dlightcolor[0] += 3.00f;
 871                                 dlightcolor[1] += 3.00f;
 872                                 dlightcolor[2] += 3.00f;
 873                         }
 874                         // LordHavoc: more effects
 875                         if (e->render.effects & EF_RED) // red
 876                         {
 877                                 dlightradius = max(dlightradius, 200);
 878                                 dlightcolor[0] += 1.50f;
 879                                 dlightcolor[1] += 0.15f;
 880                                 dlightcolor[2] += 0.15f;
 881                         }
 882                         if (e->render.effects & EF_BLUE) // blue
 883                         {
 884                                 dlightradius = max(dlightradius, 200);
 885                                 dlightcolor[0] += 0.15f;
 886                                 dlightcolor[1] += 0.15f;
 887                                 dlightcolor[2] += 1.50f;
 888                         }
 889                         if (e->render.effects & EF_FLAME)
 890                         {
 891                                 mins[0] = origin[0] - 16.0f;
 892                                 mins[1] = origin[1] - 16.0f;
 893                                 mins[2] = origin[2] - 16.0f;
 894                                 maxs[0] = origin[0] + 16.0f;
 895                                 maxs[1] = origin[1] + 16.0f;
 896                                 maxs[2] = origin[2] + 16.0f;
 897                                 // how many flames to make
 898                                 temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
 899                                 CL_FlameCube(mins, maxs, temp);
 900                                 d = lhrandom(0.75f, 1);
 901                                 dlightradius = max(dlightradius, 200);
 902                                 dlightcolor[0] += d * 2.0f;
 903                                 dlightcolor[1] += d * 1.5f;
 904                                 dlightcolor[2] += d * 0.5f;
 905                         }
 906                         if (e->render.effects & EF_STARDUST)
 907                         {
 908                                 mins[0] = origin[0] - 16.0f;
 909                                 mins[1] = origin[1] - 16.0f;
 910                                 mins[2] = origin[2] - 16.0f;
 911                                 maxs[0] = origin[0] + 16.0f;
 912                                 maxs[1] = origin[1] + 16.0f;
 913                                 maxs[2] = origin[2] + 16.0f;
 914                                 // how many particles to make
 915                                 temp = (int) (cl.time * 200) - (int) (cl.oldtime * 200);
 916                                 CL_Stardust(mins, maxs, temp);
 917                                 dlightradius = max(dlightradius, 200);
 918                                 dlightcolor[0] += 1.0f;
 919                                 dlightcolor[1] += 0.7f;
 920                                 dlightcolor[2] += 0.3f;
 921                         }
 922                 }
 923                 // muzzleflash fades over time, and is offset a bit
 924                 if (e->persistent.muzzleflash > 0)
 925                 {
 926                         Matrix4x4_Transform(&e->render.matrix, muzzleflashorigin, v2);
 927                         trace = CL_TraceBox(origin, vec3_origin, vec3_origin, v2, true, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_SKY, false);
 928                         tempmatrix = e->render.matrix;
 929                         tempmatrix.m[0][3] = trace.endpos[0];
 930                         tempmatrix.m[1][3] = trace.endpos[1];
 931                         tempmatrix.m[2][3] = trace.endpos[2];
 932                         CL_AllocDlight(NULL, &tempmatrix, 100, e->persistent.muzzleflash, e->persistent.muzzleflash, e->persistent.muzzleflash, 0, 0, 0, -1, true, 0, 0.25, 0.25, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
 933                         e->persistent.muzzleflash -= cl.frametime * 10;
 934                 }
 935                 // LordHavoc: if the model has no flags, don't check each
 936                 if (e->render.model && e->render.model->flags && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
 937                 {
 938                         if (e->render.model->flags & EF_GIB)
 939                                 trailtype = 2;
 940                         else if (e->render.model->flags & EF_ZOMGIB)
 941                                 trailtype = 4;
 942                         else if (e->render.model->flags & EF_TRACER)
 943                         {
 944                                 trailtype = 3;
 945                                 dlightradius = max(dlightradius, 100);
 946                                 dlightcolor[0] += 0.25f;
 947                                 dlightcolor[1] += 1.00f;
 948                                 dlightcolor[2] += 0.25f;
 949                         }
 950                         else if (e->render.model->flags & EF_TRACER2)
 951                         {
 952                                 trailtype = 5;
 953                                 dlightradius = max(dlightradius, 100);
 954                                 dlightcolor[0] += 1.00f;
 955                                 dlightcolor[1] += 0.60f;
 956                                 dlightcolor[2] += 0.20f;
 957                         }
 958                         else if (e->render.model->flags & EF_ROCKET)
 959                         {
 960                                 trailtype = 0;
 961                                 dlightradius = max(dlightradius, 200);
 962                                 dlightcolor[0] += 3.00f;
 963                                 dlightcolor[1] += 1.50f;
 964                                 dlightcolor[2] += 0.50f;
 965                         }
 966                         else if (e->render.model->flags & EF_GRENADE)
 967                         {
 968                                 // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
 969                                 trailtype = e->render.alpha == -1 ? 7 : 1;
 970                         }
 971                         else if (e->render.model->flags & EF_TRACER3)
 972                         {
 973                                 trailtype = 6;
 974                                 if (gamemode == GAME_PRYDON)
 975                                 {
 976                                         dlightradius = max(dlightradius, 100);
 977                                         dlightcolor[0] += 0.30f;
 978                                         dlightcolor[1] += 0.60f;
 979                                         dlightcolor[2] += 1.20f;
 980                                 }
 981                                 else
 982                                 {
 983                                         dlightradius = max(dlightradius, 200);
 984                                         dlightcolor[0] += 1.20f;
 985                                         dlightcolor[1] += 0.50f;
 986                                         dlightcolor[2] += 1.00f;
 987                                 }
 988                         }
 989                 }
 990                 // LordHavoc: customizable glow
 991                 if (e->state_current.glowsize)
 992                 {
 993                         // * 4 for the expansion from 0-255 to 0-1023 range,
 994                         // / 255 to scale down byte colors
 995                         dlightradius = max(dlightradius, e->state_current.glowsize * 4);
 996                         VectorMA(dlightcolor, (1.0f / 255.0f), (qbyte *)&palette_complete[e->state_current.glowcolor], dlightcolor);
 997                 }
 998                 // make the glow dlight
 999                 if (dlightradius > 0 && (dlightcolor[0] || dlightcolor[1] || dlightcolor[2]) && !(e->render.flags & RENDER_VIEWMODEL))
1000                 {
1001                         //dlightmatrix = e->render.matrix;
1002                         // hack to make glowing player light shine on their gun
1003                         //if (e->state_current.number == cl.viewentity/* && !chase_active.integer*/)
1004                         //      dlightmatrix.m[2][3] += 30;
1005                         CL_AllocDlight(&e->render, &e->render.matrix, dlightradius, dlightcolor[0], dlightcolor[1], dlightcolor[2], 0, 0, 0, -1, true, 1, 0.25, 0.25, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1006                 }
1007                 // custom rtlight
1008                 if (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC)
1009                 {
1010                         float light[4];
1011                         VectorScale(e->state_current.light, (1.0f / 256.0f), light);
1012                         light[3] = e->state_current.light[3];
1013                         if (light[0] == 0 && light[1] == 0 && light[2] == 0)
1014                                 VectorSet(light, 1, 1, 1);
1015                         if (light[3] == 0)
1016                                 light[3] = 350;
1017                         // FIXME: add ambient/diffuse/specular scales as an extension ontop of TENEBRAE_GFX_DLIGHTS?
1018                         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, 0.25, 0, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1019                 }
1020                 // do trails
1021                 if (e->render.flags & RENDER_GLOWTRAIL)
1022                         trailtype = 9;
1023                 if (trailtype >= 0)
1024                         CL_RocketTrail(e->persistent.trail_origin, origin, trailtype, e->state_current.glowcolor, e);
1025                 VectorCopy(origin, e->persistent.trail_origin);
1026                 // tenebrae's sprites are all additive mode (weird)
1027                 if (gamemode == GAME_TENEBRAE && e->render.model && e->render.model->type == mod_sprite)
1028                         e->render.effects |= EF_ADDITIVE;
1029                 // player model is only shown with chase_active on
1030                 if (e->state_current.number == cl.viewentity)
1031                         e->render.flags |= RENDER_EXTERIORMODEL;
1032                 // transparent stuff can't be lit during the opaque stage
1033                 if (e->render.effects & (EF_ADDITIVE | EF_NODEPTHTEST) || e->render.alpha < 1)
1034                         e->render.flags |= RENDER_TRANSPARENT;
1035                 // either fullbright or lit
1036                 if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
1037                         e->render.flags |= RENDER_LIGHT;
1038                 // hide player shadow during intermission or nehahra movie
1039                 if (!(e->render.effects & EF_NOSHADOW)
1040                  && !(e->render.flags & (RENDER_VIEWMODEL | RENDER_TRANSPARENT))
1041                  && (!(e->render.flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cl.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
1042                         e->render.flags |= RENDER_SHADOW;
1043                 // as soon as player is known we can call V_CalcRefDef
1044                 if (e->state_current.number == cl.viewentity)
1045                         V_CalcRefdef();
1046                 if (e->render.model && e->render.model->name[0] == '*' && e->render.model->TraceBox)
1047                         cl_brushmodel_entities[cl_num_brushmodel_entities++] = e->state_current.number;
1048                 // don't show entities with no modelindex (note: this still shows
1049                 // entities which have a modelindex that resolved to a NULL model)
1050                 if (e->render.model && !(e->render.effects & EF_NODRAW) && r_refdef.numentities < r_refdef.maxentities)
1051                         r_refdef.entities[r_refdef.numentities++] = &e->render;
1052                 //if (cl.viewentity && e->state_current.number == cl.viewentity)
1053                 //      Matrix4x4_Print(&e->render.matrix);
1054         }
1055 }
1056
1057 void CL_RelinkWorld(void)
1058 {
1059         entity_t *ent = &cl_entities[0];
1060         cl_brushmodel_entities[cl_num_brushmodel_entities++] = 0;
1061         // FIXME: this should be done at load
1062         Matrix4x4_CreateIdentity(&ent->render.matrix);
1063         Matrix4x4_CreateIdentity(&ent->render.inversematrix);
1064         R_LerpAnimation(&ent->render);
1065         CL_BoundingBoxForEntity(&ent->render);
1066         ent->render.flags = RENDER_SHADOW;
1067         if (!r_fullbright.integer)
1068                 ent->render.flags |= RENDER_LIGHT;
1069         VectorSet(ent->render.colormod, 1, 1, 1);
1070         r_refdef.worldentity = &ent->render;
1071         r_refdef.worldmodel = cl.worldmodel;
1072 }
1073
1074 static void CL_RelinkStaticEntities(void)
1075 {
1076         int i;
1077         entity_t *e;
1078         for (i = 0, e = cl_static_entities;i < cl_num_static_entities && r_refdef.numentities < r_refdef.maxentities;i++, e++)
1079         {
1080                 e->render.flags = 0;
1081                 // transparent stuff can't be lit during the opaque stage
1082                 if (e->render.effects & (EF_ADDITIVE | EF_NODEPTHTEST) || e->render.alpha < 1)
1083                         e->render.flags |= RENDER_TRANSPARENT;
1084                 // either fullbright or lit
1085                 if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
1086                         e->render.flags |= RENDER_LIGHT;
1087                 // hide player shadow during intermission or nehahra movie
1088                 if (!(e->render.effects & EF_NOSHADOW) && !(e->render.flags & RENDER_TRANSPARENT))
1089                         e->render.flags |= RENDER_SHADOW;
1090                 VectorSet(e->render.colormod, 1, 1, 1);
1091                 R_LerpAnimation(&e->render);
1092                 r_refdef.entities[r_refdef.numentities++] = &e->render;
1093         }
1094 }
1095
1096 /*
1097 ===============
1098 CL_RelinkEntities
1099 ===============
1100 */
1101 static void CL_RelinkNetworkEntities(void)
1102 {
1103         entity_t *ent;
1104         int i;
1105
1106         ent = &cl.viewent;
1107         ent->state_previous = ent->state_current;
1108         ent->state_current = defaultstate;
1109         ent->state_current.time = cl.time;
1110         ent->state_current.number = -1;
1111         ent->state_current.active = true;
1112         ent->state_current.modelindex = cl.stats[STAT_WEAPON];
1113         ent->state_current.frame = cl.stats[STAT_WEAPONFRAME];
1114         ent->state_current.flags = RENDER_VIEWMODEL;
1115         if ((cl.stats[STAT_HEALTH] <= 0 && cl_deathnoviewmodel.integer) || cl.intermission)
1116                 ent->state_current.modelindex = 0;
1117         else if (cl.stats[STAT_ITEMS] & IT_INVISIBILITY)
1118         {
1119                 if (gamemode == GAME_TRANSFUSION)
1120                         ent->state_current.alpha = 128;
1121                 else
1122                         ent->state_current.modelindex = 0;
1123         }
1124
1125         // reset animation interpolation on weaponmodel if model changed
1126         if (ent->state_previous.modelindex != ent->state_current.modelindex)
1127         {
1128                 ent->render.frame = ent->render.frame1 = ent->render.frame2 = ent->state_current.frame;
1129                 ent->render.frame1time = ent->render.frame2time = cl.time;
1130                 ent->render.framelerp = 1;
1131         }
1132
1133         // start on the entity after the world
1134         entitylinkframenumber++;
1135         for (i = 1;i < cl_num_entities;i++)
1136         {
1137                 if (cl_entities_active[i])
1138                 {
1139                         ent = cl_entities + i;
1140                         if (ent->state_current.active)
1141                                 CL_LinkNetworkEntity(ent);
1142                         else
1143                                 cl_entities_active[i] = false;
1144                 }
1145         }
1146         CL_LinkNetworkEntity(&cl.viewent);
1147 }
1148
1149 static void CL_RelinkEffects(void)
1150 {
1151         int i, intframe;
1152         cl_effect_t *e;
1153         entity_t *ent;
1154         float frame;
1155
1156         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
1157         {
1158                 if (e->active)
1159                 {
1160                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
1161                         intframe = frame;
1162                         if (intframe < 0 || intframe >= e->endframe)
1163                         {
1164                                 memset(e, 0, sizeof(*e));
1165                                 continue;
1166                         }
1167
1168                         if (intframe != e->frame)
1169                         {
1170                                 e->frame = intframe;
1171                                 e->frame1time = e->frame2time;
1172                                 e->frame2time = cl.time;
1173                         }
1174
1175                         // if we're drawing effects, get a new temp entity
1176                         // (NewTempEntity adds it to the render entities list for us)
1177                         if (r_draweffects.integer && (ent = CL_NewTempEntity()))
1178                         {
1179                                 // interpolation stuff
1180                                 ent->render.frame1 = intframe;
1181                                 ent->render.frame2 = intframe + 1;
1182                                 if (ent->render.frame2 >= e->endframe)
1183                                         ent->render.frame2 = -1; // disappear
1184                                 ent->render.framelerp = frame - intframe;
1185                                 ent->render.frame1time = e->frame1time;
1186                                 ent->render.frame2time = e->frame2time;
1187
1188                                 // normal stuff
1189                                 ent->render.model = cl.model_precache[e->modelindex];
1190                                 ent->render.frame = ent->render.frame2;
1191                                 ent->render.colormap = -1; // no special coloring
1192                                 ent->render.alpha = 1;
1193                                 VectorSet(ent->render.colormod, 1, 1, 1);
1194
1195                                 Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, e->origin[0], e->origin[1], e->origin[2], 0, 0, 0, 1);
1196                                 Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
1197                                 R_LerpAnimation(&ent->render);
1198                                 CL_BoundingBoxForEntity(&ent->render);
1199                         }
1200                 }
1201         }
1202 }
1203
1204 void CL_RelinkBeams(void)
1205 {
1206         int i;
1207         beam_t *b;
1208         vec3_t dist, org;
1209         float d;
1210         entity_t *ent;
1211         float yaw, pitch;
1212         float forward;
1213         matrix4x4_t tempmatrix;
1214
1215         for (i = 0, b = cl_beams;i < cl_max_beams;i++, b++)
1216         {
1217                 if (!b->model || b->endtime < cl.time)
1218                         continue;
1219
1220                 // if coming from the player, update the start position
1221                 //if (b->entity == cl.viewentity)
1222                 //      VectorCopy (cl_entities[cl.viewentity].render.origin, b->start);
1223                 if (cl_beams_relative.integer && b->entity == cl.viewentity && b->entity && cl_entities[b->entity].state_current.active && b->relativestartvalid)
1224                 {
1225                         entity_state_t *p = &cl_entities[b->entity].state_previous;
1226                         //entity_state_t *c = &cl_entities[b->entity].state_current;
1227                         entity_render_t *r = &cl_entities[b->entity].render;
1228                         matrix4x4_t matrix, imatrix;
1229                         if (b->relativestartvalid == 2)
1230                         {
1231                                 // not really valid yet, we need to get the orientation now
1232                                 // (ParseBeam flagged this because it is received before
1233                                 //  entities are received, by now they have been received)
1234                                 // note: because players create lightning in their think
1235                                 // function (which occurs before movement), they actually
1236                                 // have some lag in it's location, so compare to the
1237                                 // previous player state, not the latest
1238                                 if (b->entity == cl.viewentity)
1239                                         Matrix4x4_CreateFromQuakeEntity(&matrix, p->origin[0], p->origin[1], p->origin[2] + 16, cl.viewangles[0], cl.viewangles[1], cl.viewangles[2], 1);
1240                                 else
1241                                         Matrix4x4_CreateFromQuakeEntity(&matrix, p->origin[0], p->origin[1], p->origin[2] + 16, p->angles[0], p->angles[1], p->angles[2], 1);
1242                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1243                                 Matrix4x4_Transform(&imatrix, b->start, b->relativestart);
1244                                 Matrix4x4_Transform(&imatrix, b->end, b->relativeend);
1245                                 b->relativestartvalid = 1;
1246                         }
1247                         else
1248                         {
1249                                 if (b->entity == cl.viewentity)
1250                                         Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, cl.viewangles[0], cl.viewangles[1], cl.viewangles[2], 1);
1251                                 else
1252                                         Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, r->angles[0], r->angles[1], r->angles[2], 1);
1253                                 Matrix4x4_Transform(&matrix, b->relativestart, b->start);
1254                                 Matrix4x4_Transform(&matrix, b->relativeend, b->end);
1255                         }
1256                 }
1257
1258                 if (b->lightning)
1259                 {
1260                         if (cl_beams_lightatend.integer)
1261                         {
1262                                 // FIXME: create a matrix from the beam start/end orientation
1263                                 Matrix4x4_CreateTranslate(&tempmatrix, b->end[0], b->end[1], b->end[2]);
1264                                 CL_AllocDlight (NULL, &tempmatrix, 200, 0.3, 0.7, 1, 0, 0, 0, -1, true, 1, 0.25, 1, 0, 0, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1265                         }
1266                         if (cl_beams_polygons.integer)
1267                                 continue;
1268                 }
1269
1270                 // calculate pitch and yaw
1271                 VectorSubtract (b->end, b->start, dist);
1272
1273                 if (dist[1] == 0 && dist[0] == 0)
1274                 {
1275                         yaw = 0;
1276                         if (dist[2] > 0)
1277                                 pitch = 90;
1278                         else
1279                                 pitch = 270;
1280                 }
1281                 else
1282                 {
1283                         yaw = (int) (atan2(dist[1], dist[0]) * 180 / M_PI);
1284                         if (yaw < 0)
1285                                 yaw += 360;
1286
1287                         forward = sqrt (dist[0]*dist[0] + dist[1]*dist[1]);
1288                         pitch = (int) (atan2(dist[2], forward) * 180 / M_PI);
1289                         if (pitch < 0)
1290                                 pitch += 360;
1291                 }
1292
1293                 // add new entities for the lightning
1294                 VectorCopy (b->start, org);
1295                 d = VectorNormalizeLength(dist);
1296                 while (d > 0)
1297                 {
1298                         ent = CL_NewTempEntity ();
1299                         if (!ent)
1300                                 return;
1301                         //VectorCopy (org, ent->render.origin);
1302                         ent->render.model = b->model;
1303                         //ent->render.effects = EF_FULLBRIGHT;
1304                         //ent->render.angles[0] = pitch;
1305                         //ent->render.angles[1] = yaw;
1306                         //ent->render.angles[2] = rand()%360;
1307                         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, org[0], org[1], org[2], -pitch, yaw, lhrandom(0, 360), 1);
1308                         Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
1309                         R_LerpAnimation(&ent->render);
1310                         CL_BoundingBoxForEntity(&ent->render);
1311                         VectorMA(org, 30, dist, org);
1312                         d -= 30;
1313                 }
1314         }
1315 }
1316
1317 void CL_LerpPlayer(float frac)
1318 {
1319         int i;
1320         float d;
1321
1322         cl.viewzoom = cl.mviewzoom[1] + frac * (cl.mviewzoom[0] - cl.mviewzoom[1]);
1323         for (i = 0;i < 3;i++)
1324         {
1325                 cl.punchangle[i] = cl.mpunchangle[1][i] + frac * (cl.mpunchangle[0][i] - cl.mpunchangle[1][i]);
1326                 cl.punchvector[i] = cl.mpunchvector[1][i] + frac * (cl.mpunchvector[0][i] - cl.mpunchvector[1][i]);
1327                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
1328         }
1329
1330         if (cls.demoplayback)
1331         {
1332                 // interpolate the angles
1333                 for (i = 0;i < 3;i++)
1334                 {
1335                         d = cl.mviewangles[0][i] - cl.mviewangles[1][i];
1336                         if (d > 180)
1337                                 d -= 360;
1338                         else if (d < -180)
1339                                 d += 360;
1340                         cl.viewangles[i] = cl.mviewangles[1][i] + frac * d;
1341                 }
1342         }
1343 }
1344
1345 /*
1346 ===============
1347 CL_ReadFromServer
1348
1349 Read all incoming data from the server
1350 ===============
1351 */
1352 extern void CL_ClientMovement_Replay();
1353 int CL_ReadFromServer(void)
1354 {
1355         CL_ReadDemoMessage();
1356
1357         r_refdef.time = cl.time;
1358         r_refdef.extraupdate = !r_speeds.integer;
1359         r_refdef.numentities = 0;
1360         Matrix4x4_CreateIdentity(&r_refdef.viewentitymatrix);
1361         cl_num_brushmodel_entities = 0;
1362
1363         if (cls.state == ca_connected && cls.signon == SIGNONS)
1364         {
1365                 // prepare for a new frame
1366                 CL_LerpPlayer(CL_LerpPoint());
1367                 CL_DecayLights();
1368                 CL_ClearTempEntities();
1369                 V_DriftPitch();
1370                 V_FadeViewFlashs();
1371
1372                 // relink network entities (note: this sets up the view!)
1373                 CL_ClientMovement_Replay();
1374                 CL_RelinkNetworkEntities();
1375
1376                 // move particles
1377                 CL_MoveParticles();
1378                 R_MoveExplosions();
1379
1380                 // link stuff
1381                 CL_RelinkWorld();
1382                 CL_RelinkStaticEntities();
1383                 CL_RelinkBeams();
1384                 CL_RelinkEffects();
1385
1386                 // run cgame code (which can add more entities)
1387                 CL_CGVM_Frame();
1388
1389                 CL_UpdateLights();
1390
1391                 // update view blend
1392                 V_CalcViewBlend();
1393         }
1394
1395         return 0;
1396 }
1397
1398 /*
1399 =================
1400 CL_SendCmd
1401 =================
1402 */
1403 void CL_UpdatePrydonCursor(void);
1404 void CL_SendCmd(void)
1405 {
1406         if (cls.demoplayback)
1407         {
1408                 SZ_Clear(&cls.message);
1409                 return;
1410         }
1411
1412         // send the reliable message (forwarded commands) if there is one
1413         if (cls.message.cursize && NetConn_CanSendMessage(cls.netcon))
1414         {
1415                 if (developer.integer)
1416                 {
1417                         Con_Print("CL_SendCmd: sending reliable message:\n");
1418                         SZ_HexDumpToConsole(&cls.message);
1419                 }
1420                 if (NetConn_SendReliableMessage(cls.netcon, &cls.message) == -1)
1421                         Host_Error("CL_WriteToServer: lost server connection");
1422                 SZ_Clear(&cls.message);
1423         }
1424 }
1425
1426 // LordHavoc: pausedemo command
1427 static void CL_PauseDemo_f (void)
1428 {
1429         cls.demopaused = !cls.demopaused;
1430         if (cls.demopaused)
1431                 Con_Print("Demo paused\n");
1432         else
1433                 Con_Print("Demo unpaused\n");
1434 }
1435
1436 /*
1437 ======================
1438 CL_Fog_f
1439 ======================
1440 */
1441 static void CL_Fog_f (void)
1442 {
1443         if (Cmd_Argc () == 1)
1444         {
1445                 Con_Printf("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
1446                 return;
1447         }
1448         fog_density = atof(Cmd_Argv(1));
1449         fog_red = atof(Cmd_Argv(2));
1450         fog_green = atof(Cmd_Argv(3));
1451         fog_blue = atof(Cmd_Argv(4));
1452 }
1453
1454 /*
1455 ====================
1456 CL_TimeRefresh_f
1457
1458 For program optimization
1459 ====================
1460 */
1461 static void CL_TimeRefresh_f (void)
1462 {
1463         int i;
1464         float timestart, timedelta, oldangles[3];
1465
1466         r_refdef.extraupdate = false;
1467         VectorCopy(cl.viewangles, oldangles);
1468         VectorClear(cl.viewangles);
1469
1470         timestart = Sys_DoubleTime();
1471         for (i = 0;i < 128;i++)
1472         {
1473                 Matrix4x4_CreateFromQuakeEntity(&r_refdef.viewentitymatrix, r_vieworigin[0], r_vieworigin[1], r_vieworigin[2], 0, i / 128.0 * 360.0, 0, 1);
1474                 CL_UpdateScreen();
1475         }
1476         timedelta = Sys_DoubleTime() - timestart;
1477
1478         VectorCopy(oldangles, cl.viewangles);
1479         Con_Printf("%f seconds (%f fps)\n", timedelta, 128/timedelta);
1480 }
1481
1482 /*
1483 ===========
1484 CL_Shutdown
1485 ===========
1486 */
1487 void CL_Shutdown (void)
1488 {
1489         CL_CGVM_Shutdown();
1490         CL_Particles_Shutdown();
1491         CL_Parse_Shutdown();
1492
1493         Mem_FreePool (&cl_mempool);
1494 }
1495
1496 /*
1497 =================
1498 CL_Init
1499 =================
1500 */
1501 void CL_Init (void)
1502 {
1503         cl_mempool = Mem_AllocPool("client", 0, NULL);
1504
1505         memset(&r_refdef, 0, sizeof(r_refdef));
1506         // max entities sent to renderer per frame
1507         r_refdef.maxentities = MAX_EDICTS + 256 + 512;
1508         r_refdef.entities = (entity_render_t **)Mem_Alloc(cl_mempool, sizeof(entity_render_t *) * r_refdef.maxentities);
1509         // 256k drawqueue buffer
1510         r_refdef.maxdrawqueuesize = 256 * 1024;
1511         r_refdef.drawqueue = (qbyte *)Mem_Alloc(cl_mempool, r_refdef.maxdrawqueuesize);
1512
1513         cls.message.data = cls.message_buf;
1514         cls.message.maxsize = sizeof(cls.message_buf);
1515         cls.message.cursize = 0;
1516
1517         CL_InitInput ();
1518
1519 //
1520 // register our commands
1521 //
1522         Cvar_RegisterVariable (&cl_upspeed);
1523         Cvar_RegisterVariable (&cl_forwardspeed);
1524         Cvar_RegisterVariable (&cl_backspeed);
1525         Cvar_RegisterVariable (&cl_sidespeed);
1526         Cvar_RegisterVariable (&cl_movespeedkey);
1527         Cvar_RegisterVariable (&cl_yawspeed);
1528         Cvar_RegisterVariable (&cl_pitchspeed);
1529         Cvar_RegisterVariable (&cl_anglespeedkey);
1530         Cvar_RegisterVariable (&cl_shownet);
1531         Cvar_RegisterVariable (&cl_nolerp);
1532         Cvar_RegisterVariable (&lookspring);
1533         Cvar_RegisterVariable (&lookstrafe);
1534         Cvar_RegisterVariable (&sensitivity);
1535         Cvar_RegisterVariable (&freelook);
1536
1537         Cvar_RegisterVariable (&m_pitch);
1538         Cvar_RegisterVariable (&m_yaw);
1539         Cvar_RegisterVariable (&m_forward);
1540         Cvar_RegisterVariable (&m_side);
1541
1542         Cvar_RegisterVariable (&cl_itembobspeed);
1543         Cvar_RegisterVariable (&cl_itembobheight);
1544
1545         Cmd_AddCommand ("entities", CL_PrintEntities_f);
1546         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
1547         Cmd_AddCommand ("record", CL_Record_f);
1548         Cmd_AddCommand ("stop", CL_Stop_f);
1549         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
1550         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
1551
1552         Cmd_AddCommand ("fog", CL_Fog_f);
1553
1554         // LordHavoc: added pausedemo
1555         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
1556
1557         Cvar_RegisterVariable(&r_draweffects);
1558         Cvar_RegisterVariable(&cl_explosions_alpha_start);
1559         Cvar_RegisterVariable(&cl_explosions_alpha_end);
1560         Cvar_RegisterVariable(&cl_explosions_size_start);
1561         Cvar_RegisterVariable(&cl_explosions_size_end);
1562         Cvar_RegisterVariable(&cl_explosions_lifetime);
1563         Cvar_RegisterVariable(&cl_stainmaps);
1564         Cvar_RegisterVariable(&cl_stainmaps_clearonload);
1565         Cvar_RegisterVariable(&cl_beams_polygons);
1566         Cvar_RegisterVariable(&cl_beams_relative);
1567         Cvar_RegisterVariable(&cl_beams_lightatend);
1568         Cvar_RegisterVariable(&cl_noplayershadow);
1569
1570         Cvar_RegisterVariable(&cl_prydoncursor);
1571
1572         Cvar_RegisterVariable(&cl_deathnoviewmodel);
1573
1574         Cmd_AddCommand("timerefresh", CL_TimeRefresh_f);
1575
1576         CL_Parse_Init();
1577         CL_Particles_Init();
1578         CL_Screen_Init();
1579         CL_CGVM_Init();
1580
1581         CL_Video_Init();
1582 }
1583
1584
1585