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 "csprogs.h"
  27 #include "r_shadow.h"
  28 #include "libcurl.h"
  29
  30 // we need to declare some mouse variables here, because the menu system
  31 // references them even when on a unix system.
  32
  33 cvar_t csqc_progname = {0, "csqc_progname","csprogs.dat","name of csprogs.dat file to load"};
  34 cvar_t csqc_progcrc = {CVAR_READONLY, "csqc_progcrc","-1","CRC of csprogs.dat file to load (-1 is none), only used during level changes and then reset to -1"};
  35 cvar_t csqc_progsize = {CVAR_READONLY, "csqc_progsize","-1","file size of csprogs.dat file to load (-1 is none), only used during level changes and then reset to -1"};
  36
  37 cvar_t cl_shownet = {0, "cl_shownet","0","1 = print packet size, 2 = print packet message list"};
  38 cvar_t cl_nolerp = {0, "cl_nolerp", "0","network update smoothing"};
  39
  40 cvar_t cl_itembobheight = {0, "cl_itembobheight", "0","how much items bob up and down (try 8)"};
  41 cvar_t cl_itembobspeed = {0, "cl_itembobspeed", "0.5","how frequently items bob up and down"};
  42
  43 cvar_t lookspring = {CVAR_SAVE, "lookspring","0","returns pitch to level with the floor when no longer holding a pitch key"};
  44 cvar_t lookstrafe = {CVAR_SAVE, "lookstrafe","0","move instead of turning"};
  45 cvar_t sensitivity = {CVAR_SAVE, "sensitivity","3","mouse speed multiplier"};
  46
  47 cvar_t m_pitch = {CVAR_SAVE, "m_pitch","0.022","mouse pitch speed multiplier"};
  48 cvar_t m_yaw = {CVAR_SAVE, "m_yaw","0.022","mouse yaw speed multiplier"};
  49 cvar_t m_forward = {CVAR_SAVE, "m_forward","1","mouse forward speed multiplier"};
  50 cvar_t m_side = {CVAR_SAVE, "m_side","0.8","mouse side speed multiplier"};
  51
  52 cvar_t freelook = {CVAR_SAVE, "freelook", "1","mouse controls pitch instead of forward/back"};
  53
  54 cvar_t cl_autodemo = {CVAR_SAVE, "cl_autodemo", "0", "records every game played, using the date/time and map name to name the demo file" };
  55 cvar_t cl_autodemo_nameformat = {CVAR_SAVE, "cl_autodemo_nameformat", "%Y-%m-%d_%H-%M", "The format of the cl_autodemo filename, followed by the map name" };
  56
  57 cvar_t r_draweffects = {0, "r_draweffects", "1","renders temporary sprite effects"};
  58
  59 cvar_t cl_explosions_alpha_start = {CVAR_SAVE, "cl_explosions_alpha_start", "1.5","starting alpha of an explosion shell"};
  60 cvar_t cl_explosions_alpha_end = {CVAR_SAVE, "cl_explosions_alpha_end", "0","end alpha of an explosion shell (just before it disappears)"};
  61 cvar_t cl_explosions_size_start = {CVAR_SAVE, "cl_explosions_size_start", "16","starting size of an explosion shell"};
  62 cvar_t cl_explosions_size_end = {CVAR_SAVE, "cl_explosions_size_end", "128","ending alpha of an explosion shell (just before it disappears)"};
  63 cvar_t cl_explosions_lifetime = {CVAR_SAVE, "cl_explosions_lifetime", "0.5","how long an explosion shell lasts"};
  64
  65 cvar_t cl_stainmaps = {CVAR_SAVE, "cl_stainmaps", "1","stains lightmaps, much faster than decals but blurred"};
  66 cvar_t cl_stainmaps_clearonload = {CVAR_SAVE, "cl_stainmaps_clearonload", "1","clear stainmaps on map restart"};
  67
  68 cvar_t cl_beams_polygons = {CVAR_SAVE, "cl_beams_polygons", "1","use beam polygons instead of models"};
  69 cvar_t cl_beams_quakepositionhack = {CVAR_SAVE, "cl_beams_quakepositionhack", "1", "makes your lightning gun appear to fire from your waist (as in Quake and QuakeWorld)"};
  70 cvar_t cl_beams_instantaimhack = {CVAR_SAVE, "cl_beams_instantaimhack", "1", "makes your lightning gun aiming update instantly"};
  71 cvar_t cl_beams_lightatend = {CVAR_SAVE, "cl_beams_lightatend", "0", "make a light at the end of the beam"};
  72
  73 cvar_t cl_noplayershadow = {CVAR_SAVE, "cl_noplayershadow", "0","hide player shadow"};
  74
  75 cvar_t cl_dlights_decayradius = {CVAR_SAVE, "cl_dlights_decayradius", "1", "reduces size of light flashes over time"};
  76 cvar_t cl_dlights_decaybrightness = {CVAR_SAVE, "cl_dlights_decaybrightness", "1", "reduces brightness of light flashes over time"};
  77
  78 cvar_t qport = {0, "qport", "0", "identification key for playing on qw servers (allows you to maintain a connection to a quakeworld server even if your port changes)"};
  79
  80 cvar_t cl_prydoncursor = {0, "cl_prydoncursor", "0", "enables a mouse pointer which is able to click on entities in the world, useful for point and click mods, see PRYDON_CLIENTCURSOR extension in dpextensions.qc"};
  81
  82 cvar_t cl_deathnoviewmodel = {0, "cl_deathnoviewmodel", "1", "hides gun model when dead"};
  83
  84 cvar_t cl_locs_enable = {CVAR_SAVE, "locs_enable", "1", "enables replacement of certain % codes in chat messages: %l (location), %d (last death location), %h (health), %a (armor), %x (rockets), %c (cells), %r (rocket launcher status), %p (powerup status), %w (weapon status), %t (current time in level)"};
  85 cvar_t cl_locs_show = {0, "locs_show", "0", "shows defined locations for editing purposes"};
  86
  87 client_static_t cls;
  88 client_state_t  cl;
  89
  90 #define MAX_PARTICLES                   32768   // default max # of particles at one time
  91 #define ABSOLUTE_MIN_PARTICLES  512             // no fewer than this no matter what's on the command line
  92
  93 /*
  94 =====================
  95 CL_ClearState
  96
  97 =====================
  98 */
  99 void CL_ClearState(void)
 100 {
 101         int i;
 102         entity_t *ent;
 103
 104 // wipe the entire cl structure
 105         Mem_EmptyPool(cls.levelmempool);
 106         memset (&cl, 0, sizeof(cl));
 107
 108         S_StopAllSounds();
 109
 110         // reset the view zoom interpolation
 111         cl.mviewzoom[0] = cl.mviewzoom[1] = 1;
 112
 113         cl.num_entities = 0;
 114         cl.num_static_entities = 0;
 115         cl.num_temp_entities = 0;
 116         cl.num_brushmodel_entities = 0;
 117
 118         // tweak these if the game runs out
 119         cl.max_entities = 256;
 120         cl.max_static_entities = 256;
 121         cl.max_temp_entities = 512;
 122         cl.max_effects = 256;
 123         cl.max_beams = 256;
 124         cl.max_dlights = MAX_DLIGHTS;
 125         cl.max_lightstyle = MAX_LIGHTSTYLES;
 126         cl.max_brushmodel_entities = MAX_EDICTS;
 127         cl.max_particles = MAX_PARTICLES;
 128
 129 // COMMANDLINEOPTION: Client: -particles <number> changes maximum number of particles at once, default 32768
 130         i = COM_CheckParm ("-particles");
 131         if (i && i < com_argc - 1)
 132         {
 133                 cl.max_particles = (int)(atoi(com_argv[i+1]));
 134                 if (cl.max_particles < ABSOLUTE_MIN_PARTICLES)
 135                         cl.max_particles = ABSOLUTE_MIN_PARTICLES;
 136         }
 137
 138         cl.num_dlights = 0;
 139         cl.num_effects = 0;
 140         cl.num_beams = 0;
 141
 142         cl.entities = (entity_t *)Mem_Alloc(cls.levelmempool, cl.max_entities * sizeof(entity_t));
 143         cl.entities_active = (unsigned char *)Mem_Alloc(cls.levelmempool, cl.max_brushmodel_entities * sizeof(unsigned char));
 144         cl.static_entities = (entity_t *)Mem_Alloc(cls.levelmempool, cl.max_static_entities * sizeof(entity_t));
 145         cl.temp_entities = (entity_t *)Mem_Alloc(cls.levelmempool, cl.max_temp_entities * sizeof(entity_t));
 146         cl.effects = (cl_effect_t *)Mem_Alloc(cls.levelmempool, cl.max_effects * sizeof(cl_effect_t));
 147         cl.beams = (beam_t *)Mem_Alloc(cls.levelmempool, cl.max_beams * sizeof(beam_t));
 148         cl.dlights = (dlight_t *)Mem_Alloc(cls.levelmempool, cl.max_dlights * sizeof(dlight_t));
 149         cl.lightstyle = (lightstyle_t *)Mem_Alloc(cls.levelmempool, cl.max_lightstyle * sizeof(lightstyle_t));
 150         cl.brushmodel_entities = (int *)Mem_Alloc(cls.levelmempool, cl.max_brushmodel_entities * sizeof(int));
 151         cl.particles = (particle_t *) Mem_Alloc(cls.levelmempool, cl.max_particles * sizeof(particle_t));
 152
 153         // LordHavoc: have to set up the baseline info for alpha and other stuff
 154         for (i = 0;i < cl.max_entities;i++)
 155         {
 156                 cl.entities[i].state_baseline = defaultstate;
 157                 cl.entities[i].state_previous = defaultstate;
 158                 cl.entities[i].state_current = defaultstate;
 159         }
 160
 161         if (gamemode == GAME_NEXUIZ)
 162         {
 163                 VectorSet(cl.playerstandmins, -16, -16, -24);
 164                 VectorSet(cl.playerstandmaxs, 16, 16, 45);
 165                 VectorSet(cl.playercrouchmins, -16, -16, -24);
 166                 VectorSet(cl.playercrouchmaxs, 16, 16, 25);
 167         }
 168         else
 169         {
 170                 VectorSet(cl.playerstandmins, -16, -16, -24);
 171                 VectorSet(cl.playerstandmaxs, 16, 16, 24);
 172                 VectorSet(cl.playercrouchmins, -16, -16, -24);
 173                 VectorSet(cl.playercrouchmaxs, 16, 16, 24);
 174         }
 175
 176         // disable until we get textures for it
 177         R_ResetSkyBox();
 178
 179         ent = &cl.entities[0];
 180         // entire entity array was cleared, so just fill in a few fields
 181         ent->state_current.active = true;
 182         ent->render.model = cl.worldmodel = NULL; // no world model yet
 183         ent->render.alpha = 1;
 184         ent->render.colormap = -1; // no special coloring
 185         ent->render.flags = RENDER_SHADOW | RENDER_LIGHT;
 186         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, 0, 0, 0, 0, 0, 0, 1);
 187         CL_UpdateRenderEntity(&ent->render);
 188
 189         // noclip is turned off at start
 190         noclip_anglehack = false;
 191
 192         // mark all frames invalid for delta
 193         memset(cl.qw_deltasequence, -1, sizeof(cl.qw_deltasequence));
 194
 195         CL_Screen_NewMap();
 196 }
 197
 198 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet)
 199 {
 200         int i;
 201         qboolean fail = false;
 202         if (!allowstarkey && key[0] == '*')
 203                 fail = true;
 204         if (!allowmodel && (!strcasecmp(key, "pmodel") || !strcasecmp(key, "emodel")))
 205                 fail = true;
 206         for (i = 0;key[i];i++)
 207                 if (key[i] <= ' ' || key[i] == '\"')
 208                         fail = true;
 209         for (i = 0;value[i];i++)
 210                 if (value[i] == '\r' || value[i] == '\n' || value[i] == '\"')
 211                         fail = true;
 212         if (fail)
 213         {
 214                 if (!quiet)
 215                         Con_Printf("Can't setinfo \"%s\" \"%s\"\n", key, value);
 216                 return;
 217         }
 218         InfoString_SetValue(cls.userinfo, sizeof(cls.userinfo), key, value);
 219         if (cls.state == ca_connected && cls.netcon)
 220         {
 221                 if (cls.protocol == PROTOCOL_QUAKEWORLD)
 222                 {
 223                         MSG_WriteByte(&cls.netcon->message, qw_clc_stringcmd);
 224                         MSG_WriteString(&cls.netcon->message, va("setinfo \"%s\" \"%s\"", key, value));
 225                 }
 226                 else if (!strcasecmp(key, "name"))
 227                 {
 228                         MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
 229                         MSG_WriteString(&cls.netcon->message, va("name \"%s\"", value));
 230                 }
 231                 else if (!strcasecmp(key, "playermodel"))
 232                 {
 233                         MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
 234                         MSG_WriteString(&cls.netcon->message, va("playermodel \"%s\"", value));
 235                 }
 236                 else if (!strcasecmp(key, "playerskin"))
 237                 {
 238                         MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
 239                         MSG_WriteString(&cls.netcon->message, va("playerskin \"%s\"", value));
 240                 }
 241                 else if (!strcasecmp(key, "topcolor"))
 242                 {
 243                         // don't send anything, the combined color code will be updated manually
 244                 }
 245                 else if (!strcasecmp(key, "bottomcolor"))
 246                 {
 247                         // don't send anything, the combined color code will be updated manually
 248                 }
 249                 else if (!strcasecmp(key, "rate"))
 250                 {
 251                         MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
 252                         MSG_WriteString(&cls.netcon->message, va("rate \"%s\"", value));
 253                 }
 254         }
 255 }
 256
 257 void CL_ExpandEntities(int num)
 258 {
 259         int i, oldmaxentities;
 260         entity_t *oldentities;
 261         if (num >= cl.max_entities)
 262         {
 263                 if (!cl.entities)
 264                         Sys_Error("CL_ExpandEntities: cl.entities not initialized");
 265                 if (num >= MAX_EDICTS)
 266                         Host_Error("CL_ExpandEntities: num %i >= %i", num, MAX_EDICTS);
 267                 oldmaxentities = cl.max_entities;
 268                 oldentities = cl.entities;
 269                 cl.max_entities = (num & ~255) + 256;
 270                 cl.entities = (entity_t *)Mem_Alloc(cls.levelmempool, cl.max_entities * sizeof(entity_t));
 271                 memcpy(cl.entities, oldentities, oldmaxentities * sizeof(entity_t));
 272                 Mem_Free(oldentities);
 273                 for (i = oldmaxentities;i < cl.max_entities;i++)
 274                 {
 275                         cl.entities[i].state_baseline = defaultstate;
 276                         cl.entities[i].state_previous = defaultstate;
 277                         cl.entities[i].state_current = defaultstate;
 278                 }
 279         }
 280 }
 281
 282 void CL_VM_ShutDown (void);
 283 /*
 284 =====================
 285 CL_Disconnect
 286
 287 Sends a disconnect message to the server
 288 This is also called on Host_Error, so it shouldn't cause any errors
 289 =====================
 290 */
 291 void CL_Disconnect(void)
 292 {
 293         if (cls.state == ca_dedicated)
 294                 return;
 295
 296         Curl_Clear_forthismap();
 297
 298         Con_DPrintf("CL_Disconnect\n");
 299
 300         CL_VM_ShutDown();
 301 // stop sounds (especially looping!)
 302         S_StopAllSounds ();
 303
 304         cl.parsingtextexpectingpingforscores = 0; // just in case no reply has come yet
 305
 306         // clear contents blends
 307         cl.cshifts[0].percent = 0;
 308         cl.cshifts[1].percent = 0;
 309         cl.cshifts[2].percent = 0;
 310         cl.cshifts[3].percent = 0;
 311
 312         cl.worldmodel = NULL;
 313
 314         CL_Parse_ErrorCleanUp();
 315
 316         if (cls.demoplayback)
 317                 CL_StopPlayback();
 318         else if (cls.netcon)
 319         {
 320                 sizebuf_t buf;
 321                 unsigned char bufdata[8];
 322                 if (cls.demorecording)
 323                         CL_Stop_f();
 324
 325                 // send disconnect message 3 times to improve chances of server
 326                 // receiving it (but it still fails sometimes)
 327                 memset(&buf, 0, sizeof(buf));
 328                 buf.data = bufdata;
 329                 buf.maxsize = sizeof(bufdata);
 330                 if (cls.protocol == PROTOCOL_QUAKEWORLD)
 331                 {
 332                         Con_DPrint("Sending drop command\n");
 333                         MSG_WriteByte(&buf, qw_clc_stringcmd);
 334                         MSG_WriteString(&buf, "drop");
 335                 }
 336                 else
 337                 {
 338                         Con_DPrint("Sending clc_disconnect\n");
 339                         MSG_WriteByte(&buf, clc_disconnect);
 340                 }
 341                 NetConn_SendUnreliableMessage(cls.netcon, &buf, cls.protocol);
 342                 NetConn_SendUnreliableMessage(cls.netcon, &buf, cls.protocol);
 343                 NetConn_SendUnreliableMessage(cls.netcon, &buf, cls.protocol);
 344                 NetConn_Close(cls.netcon);
 345                 cls.netcon = NULL;
 346         }
 347         cls.state = ca_disconnected;
 348
 349         cls.demoplayback = cls.timedemo = false;
 350         cls.signon = 0;
 351 }
 352
 353 void CL_Disconnect_f(void)
 354 {
 355         CL_Disconnect ();
 356         if (sv.active)
 357                 Host_ShutdownServer ();
 358 }
 359
 360
 361
 362
 363 /*
 364 =====================
 365 CL_EstablishConnection
 366
 367 Host should be either "local" or a net address
 368 =====================
 369 */
 370 void CL_EstablishConnection(const char *host)
 371 {
 372         if (cls.state == ca_dedicated)
 373                 return;
 374
 375         // clear menu's connect error message
 376         M_Update_Return_Reason("");
 377         cls.demonum = -1;
 378
 379         // stop demo loop in case this fails
 380         if (cls.demoplayback)
 381                 CL_StopPlayback();
 382
 383         // if downloads are running, cancel their finishing action
 384         Curl_Clear_forthismap();
 385
 386         // make sure the client ports are open before attempting to connect
 387         NetConn_UpdateSockets();
 388
 389         // run a network frame
 390         //NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 391
 392         if (LHNETADDRESS_FromString(&cls.connect_address, host, 26000) && (cls.connect_mysocket = NetConn_ChooseClientSocketForAddress(&cls.connect_address)))
 393         {
 394                 cls.connect_trying = true;
 395                 cls.connect_remainingtries = 3;
 396                 cls.connect_nextsendtime = 0;
 397                 M_Update_Return_Reason("Trying to connect...");
 398                 // run several network frames to jump into the game quickly
 399                 //if (sv.active)
 400                 //{
 401                 //      NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 402                 //      NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 403                 //      NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 404                 //      NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 405                 //}
 406         }
 407         else
 408         {
 409                 Con_Print("Unable to find a suitable network socket to connect to server.\n");
 410                 M_Update_Return_Reason("No network");
 411         }
 412 }
 413
 414 /*
 415 ==============
 416 CL_PrintEntities_f
 417 ==============
 418 */
 419 static void CL_PrintEntities_f(void)
 420 {
 421         entity_t *ent;
 422         int i;
 423
 424         for (i = 0, ent = cl.entities;i < cl.num_entities;i++, ent++)
 425         {
 426                 const char* modelname;
 427
 428                 if (!ent->state_current.active)
 429                         continue;
 430
 431                 if (ent->render.model)
 432                         modelname = ent->render.model->name;
 433                 else
 434                         modelname = "--no model--";
 435                 Con_Printf("%3i: %-25s:%4i (%5i %5i %5i) [%3i %3i %3i] %4.2f %5.3f\n", i, modelname, ent->render.frame, (int) ent->state_current.origin[0], (int) ent->state_current.origin[1], (int) ent->state_current.origin[2], (int) ent->state_current.angles[0] % 360, (int) ent->state_current.angles[1] % 360, (int) ent->state_current.angles[2] % 360, ent->render.scale, ent->render.alpha);
 436         }
 437 }
 438
 439 //static const vec3_t nomodelmins = {-16, -16, -16};
 440 //static const vec3_t nomodelmaxs = {16, 16, 16};
 441 void CL_UpdateRenderEntity(entity_render_t *ent)
 442 {
 443         vec3_t org;
 444         vec_t scale;
 445         model_t *model = ent->model;
 446         // update the inverse matrix for the renderer
 447         Matrix4x4_Invert_Simple(&ent->inversematrix, &ent->matrix);
 448         // update the animation blend state
 449         R_LerpAnimation(ent);
 450         // we need the matrix origin to center the box
 451         Matrix4x4_OriginFromMatrix(&ent->matrix, org);
 452         // update entity->render.scale because the renderer needs it
 453         ent->scale = scale = Matrix4x4_ScaleFromMatrix(&ent->matrix);
 454         if (model)
 455         {
 456                 // NOTE: this directly extracts vector components from the matrix, which relies on the matrix orientation!
 457 #ifdef MATRIX4x4_OPENGLORIENTATION
 458                 if (ent->matrix.m[0][2] != 0 || ent->matrix.m[1][2] != 0)
 459 #else
 460                 if (ent->matrix.m[2][0] != 0 || ent->matrix.m[2][1] != 0)
 461 #endif
 462                 {
 463                         // pitch or roll
 464                         VectorMA(org, scale, model->rotatedmins, ent->mins);
 465                         VectorMA(org, scale, model->rotatedmaxs, ent->maxs);
 466                 }
 467 #ifdef MATRIX4x4_OPENGLORIENTATION
 468                 else if (ent->matrix.m[1][0] != 0 || ent->matrix.m[0][1] != 0)
 469 #else
 470                 else if (ent->matrix.m[0][1] != 0 || ent->matrix.m[1][0] != 0)
 471 #endif
 472                 {
 473                         // yaw
 474                         VectorMA(org, scale, model->yawmins, ent->mins);
 475                         VectorMA(org, scale, model->yawmaxs, ent->maxs);
 476                 }
 477                 else
 478                 {
 479                         VectorMA(org, scale, model->normalmins, ent->mins);
 480                         VectorMA(org, scale, model->normalmaxs, ent->maxs);
 481                 }
 482         }
 483         else
 484         {
 485                 ent->mins[0] = org[0] - 16;
 486                 ent->mins[1] = org[1] - 16;
 487                 ent->mins[2] = org[2] - 16;
 488                 ent->maxs[0] = org[0] + 16;
 489                 ent->maxs[1] = org[1] + 16;
 490                 ent->maxs[2] = org[2] + 16;
 491         }
 492 }
 493
 494 /*
 495 ===============
 496 CL_LerpPoint
 497
 498 Determines the fraction between the last two messages that the objects
 499 should be put at.
 500 ===============
 501 */
 502 static float CL_LerpPoint(void)
 503 {
 504         float f;
 505
 506         if (cl_nettimesyncmode.integer == 3)
 507                 cl.time = bound(cl.mtime[1], cl.time, cl.mtime[0]);
 508
 509         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 510         if (cl.mtime[0] <= cl.mtime[1])
 511         {
 512                 cl.time = cl.mtime[0];
 513                 return 1;
 514         }
 515
 516         f = (cl.time - cl.mtime[1]) / (cl.mtime[0] - cl.mtime[1]);
 517         return bound(0, f, 1);
 518 }
 519
 520 void CL_ClearTempEntities (void)
 521 {
 522         cl.num_temp_entities = 0;
 523 }
 524
 525 entity_t *CL_NewTempEntity(void)
 526 {
 527         entity_t *ent;
 528
 529         if (r_refdef.numentities >= r_refdef.maxentities)
 530                 return NULL;
 531         if (cl.num_temp_entities >= cl.max_temp_entities)
 532                 return NULL;
 533         ent = &cl.temp_entities[cl.num_temp_entities++];
 534         memset (ent, 0, sizeof(*ent));
 535         r_refdef.entities[r_refdef.numentities++] = &ent->render;
 536
 537         ent->render.colormap = -1; // no special coloring
 538         ent->render.alpha = 1;
 539         VectorSet(ent->render.colormod, 1, 1, 1);
 540         return ent;
 541 }
 542
 543 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
 544 {
 545         int i;
 546         cl_effect_t *e;
 547         if (!modelindex) // sanity check
 548                 return;
 549         if (framerate < 1)
 550         {
 551                 Con_Printf("CL_Effect: framerate %f is < 1\n", framerate);
 552                 return;
 553         }
 554         if (framecount < 1)
 555         {
 556                 Con_Printf("CL_Effect: framecount %i is < 1\n", framecount);
 557                 return;
 558         }
 559         for (i = 0, e = cl.effects;i < cl.max_effects;i++, e++)
 560         {
 561                 if (e->active)
 562                         continue;
 563                 e->active = true;
 564                 VectorCopy(org, e->origin);
 565                 e->modelindex = modelindex;
 566                 e->starttime = cl.time;
 567                 e->startframe = startframe;
 568                 e->endframe = startframe + framecount;
 569                 e->framerate = framerate;
 570
 571                 e->frame = 0;
 572                 e->frame1time = cl.time;
 573                 e->frame2time = cl.time;
 574                 cl.num_effects = max(cl.num_effects, i + 1);
 575                 break;
 576         }
 577 }
 578
 579 void CL_AllocLightFlash(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)
 580 {
 581         int i;
 582         dlight_t *dl;
 583
 584         /*
 585 // first look for an exact key match
 586         if (ent)
 587         {
 588                 dl = cl.dlights;
 589                 for (i = 0;i < cl.num_dlights;i++, dl++)
 590                         if (dl->ent == ent)
 591                                 goto dlightsetup;
 592         }
 593         */
 594
 595 // then look for anything else
 596         dl = cl.dlights;
 597         for (i = 0;i < cl.num_dlights;i++, dl++)
 598                 if (!dl->radius)
 599                         goto dlightsetup;
 600         // if we hit the end of the active dlights and found no gaps, add a new one
 601         if (i < MAX_DLIGHTS)
 602         {
 603                 cl.num_dlights = i + 1;
 604                 goto dlightsetup;
 605         }
 606
 607         // unable to find one
 608         return;
 609
 610 dlightsetup:
 611         //Con_Printf("dlight %i : %f %f %f : %f %f %f\n", i, org[0], org[1], org[2], red * radius, green * radius, blue * radius);
 612         memset (dl, 0, sizeof(*dl));
 613         Matrix4x4_Normalize(&dl->matrix, matrix);
 614         dl->ent = ent;
 615         Matrix4x4_OriginFromMatrix(&dl->matrix, dl->origin);
 616         CL_FindNonSolidLocation(dl->origin, dl->origin, 6);
 617         Matrix4x4_SetOrigin(&dl->matrix, dl->origin[0], dl->origin[1], dl->origin[2]);
 618         dl->radius = radius;
 619         dl->color[0] = red;
 620         dl->color[1] = green;
 621         dl->color[2] = blue;
 622         dl->initialradius = radius;
 623         dl->initialcolor[0] = red;
 624         dl->initialcolor[1] = green;
 625         dl->initialcolor[2] = blue;
 626         dl->decay = decay / radius; // changed decay to be a percentage decrease
 627         dl->intensity = 1; // this is what gets decayed
 628         if (lifetime)
 629                 dl->die = cl.time + lifetime;
 630         else
 631                 dl->die = 0;
 632         if (cubemapnum > 0)
 633                 dpsnprintf(dl->cubemapname, sizeof(dl->cubemapname), "cubemaps/%i", cubemapnum);
 634         else
 635                 dl->cubemapname[0] = 0;
 636         dl->style = style;
 637         dl->shadow = shadowenable;
 638         dl->corona = corona;
 639         dl->flags = flags;
 640         dl->coronasizescale = coronasizescale;
 641         dl->ambientscale = ambientscale;
 642         dl->diffusescale = diffusescale;
 643         dl->specularscale = specularscale;
 644 }
 645
 646 void CL_DecayLightFlashes(void)
 647 {
 648         int i, oldmax;
 649         dlight_t *dl;
 650         float time;
 651
 652         time = bound(0, cl.time - cl.oldtime, 0.1);
 653         oldmax = cl.num_dlights;
 654         cl.num_dlights = 0;
 655         for (i = 0, dl = cl.dlights;i < oldmax;i++, dl++)
 656         {
 657                 if (dl->radius)
 658                 {
 659                         dl->intensity -= time * dl->decay;
 660                         if (cl.time < dl->die && dl->intensity > 0)
 661                         {
 662                                 if (cl_dlights_decayradius.integer)
 663                                         dl->radius = dl->initialradius * dl->intensity;
 664                                 else
 665                                         dl->radius = dl->initialradius;
 666                                 if (cl_dlights_decaybrightness.integer)
 667                                         VectorScale(dl->initialcolor, dl->intensity, dl->color);
 668                                 else
 669                                         VectorCopy(dl->initialcolor, dl->color);
 670                                 cl.num_dlights = i + 1;
 671                         }
 672                         else
 673                                 dl->radius = 0;
 674                 }
 675         }
 676 }
 677
 678 // called before entity relinking
 679 void CL_RelinkLightFlashes(void)
 680 {
 681         int i, j, k, l;
 682         dlight_t *dl;
 683         float frac, f;
 684         matrix4x4_t tempmatrix;
 685
 686         if (r_dynamic.integer)
 687         {
 688                 for (i = 0, dl = cl.dlights;i < cl.num_dlights && r_refdef.numlights < MAX_DLIGHTS;i++, dl++)
 689                 {
 690                         if (dl->radius)
 691                         {
 692                                 tempmatrix = dl->matrix;
 693                                 Matrix4x4_Scale(&tempmatrix, dl->radius, 1);
 694                                 R_RTLight_Update(&r_refdef.lights[r_refdef.numlights++], false, &tempmatrix, dl->color, dl->style, dl->cubemapname, dl->shadow, dl->corona, dl->coronasizescale, dl->ambientscale, dl->diffusescale, dl->specularscale, dl->flags);
 695                         }
 696                 }
 697         }
 698
 699 // light animations
 700 // 'm' is normal light, 'a' is no light, 'z' is double bright
 701         f = cl.time * 10;
 702         i = (int)floor(f);
 703         frac = f - i;
 704         for (j = 0;j < cl.max_lightstyle;j++)
 705         {
 706                 if (!cl.lightstyle || !cl.lightstyle[j].length)
 707                 {
 708                         r_refdef.lightstylevalue[j] = 256;
 709                         continue;
 710                 }
 711                 k = i % cl.lightstyle[j].length;
 712                 l = (i-1) % cl.lightstyle[j].length;
 713                 k = cl.lightstyle[j].map[k] - 'a';
 714                 l = cl.lightstyle[j].map[l] - 'a';
 715                 r_refdef.lightstylevalue[j] = (unsigned short)(((k*frac)+(l*(1-frac)))*22);
 716         }
 717 }
 718
 719 void CL_AddQWCTFFlagModel(entity_t *player, int skin)
 720 {
 721         float f;
 722         entity_t *flag;
 723         matrix4x4_t flagmatrix;
 724
 725         // this code taken from QuakeWorld
 726         f = 14;
 727         if (player->render.frame2 >= 29 && player->render.frame2 <= 40)
 728         {
 729                 if (player->render.frame2 >= 29 && player->render.frame2 <= 34)
 730                 { //axpain
 731                         if      (player->render.frame2 == 29) f = f + 2;
 732                         else if (player->render.frame2 == 30) f = f + 8;
 733                         else if (player->render.frame2 == 31) f = f + 12;
 734                         else if (player->render.frame2 == 32) f = f + 11;
 735                         else if (player->render.frame2 == 33) f = f + 10;
 736                         else if (player->render.frame2 == 34) f = f + 4;
 737                 }
 738                 else if (player->render.frame2 >= 35 && player->render.frame2 <= 40)
 739                 { // pain
 740                         if      (player->render.frame2 == 35) f = f + 2;
 741                         else if (player->render.frame2 == 36) f = f + 10;
 742                         else if (player->render.frame2 == 37) f = f + 10;
 743                         else if (player->render.frame2 == 38) f = f + 8;
 744                         else if (player->render.frame2 == 39) f = f + 4;
 745                         else if (player->render.frame2 == 40) f = f + 2;
 746                 }
 747         }
 748         else if (player->render.frame2 >= 103 && player->render.frame2 <= 118)
 749         {
 750                 if      (player->render.frame2 >= 103 && player->render.frame2 <= 104) f = f + 6;  //nailattack
 751                 else if (player->render.frame2 >= 105 && player->render.frame2 <= 106) f = f + 6;  //light
 752                 else if (player->render.frame2 >= 107 && player->render.frame2 <= 112) f = f + 7;  //rocketattack
 753                 else if (player->render.frame2 >= 112 && player->render.frame2 <= 118) f = f + 7;  //shotattack
 754         }
 755         // end of code taken from QuakeWorld
 756
 757         flag = CL_NewTempEntity();
 758         if (!flag)
 759                 return;
 760
 761         flag->render.model = cl.model_precache[cl.qw_modelindex_flag];
 762         flag->render.skinnum = skin;
 763         flag->render.colormap = -1; // no special coloring
 764         flag->render.alpha = 1;
 765         VectorSet(flag->render.colormod, 1, 1, 1);
 766         // attach the flag to the player matrix
 767         Matrix4x4_CreateFromQuakeEntity(&flagmatrix, -f, -22, 0, 0, 0, -45, 1);
 768         Matrix4x4_Concat(&flag->render.matrix, &player->render.matrix, &flagmatrix);
 769         CL_UpdateRenderEntity(&flag->render);
 770 }
 771
 772 matrix4x4_t viewmodelmatrix;
 773
 774 static const vec3_t muzzleflashorigin = {18, 0, 0};
 775
 776 extern void V_DriftPitch(void);
 777 extern void V_FadeViewFlashs(void);
 778 extern void V_CalcViewBlend(void);
 779 extern void V_CalcRefdef(void);
 780
 781 // note this is a recursive function, recursionlimit should be 32 or so on the initial call
 782 void CL_UpdateNetworkEntity(entity_t *e, int recursionlimit, qboolean interpolate)
 783 {
 784         const matrix4x4_t *matrix;
 785         matrix4x4_t blendmatrix, tempmatrix, matrix2;
 786         int j, k, l;
 787         float origin[3], angles[3], delta[3], lerp, d;
 788         entity_t *t;
 789         model_t *model;
 790         //entity_persistent_t *p = &e->persistent;
 791         //entity_render_t *r = &e->render;
 792         // skip inactive entities and world
 793         if (!e->state_current.active || e == cl.entities)
 794                 return;
 795         if (recursionlimit < 1)
 796                 return;
 797         e->render.alpha = e->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 798         e->render.scale = e->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 799         e->render.flags = e->state_current.flags;
 800         e->render.effects = e->state_current.effects;
 801         VectorScale(e->state_current.colormod, (1.0f / 32.0f), e->render.colormod);
 802         if (e->state_current.flags & RENDER_COLORMAPPED)
 803         {
 804                 int cb;
 805                 unsigned char *cbcolor;
 806                 e->render.colormap = e->state_current.colormap;
 807                 cb = (e->render.colormap & 0xF) << 4;cb += (cb >= 128 && cb < 224) ? 4 : 12;
 808                 cbcolor = (unsigned char *) (&palette_complete[cb]);
 809                 e->render.colormap_pantscolor[0] = cbcolor[0] * (1.0f / 255.0f);
 810                 e->render.colormap_pantscolor[1] = cbcolor[1] * (1.0f / 255.0f);
 811                 e->render.colormap_pantscolor[2] = cbcolor[2] * (1.0f / 255.0f);
 812                 cb = (e->render.colormap & 0xF0);cb += (cb >= 128 && cb < 224) ? 4 : 12;
 813                 cbcolor = (unsigned char *) (&palette_complete[cb]);
 814                 e->render.colormap_shirtcolor[0] = cbcolor[0] * (1.0f / 255.0f);
 815                 e->render.colormap_shirtcolor[1] = cbcolor[1] * (1.0f / 255.0f);
 816                 e->render.colormap_shirtcolor[2] = cbcolor[2] * (1.0f / 255.0f);
 817         }
 818         else if (e->state_current.colormap && cl.scores != NULL)
 819         {
 820                 int cb;
 821                 unsigned char *cbcolor;
 822                 e->render.colormap = cl.scores[e->state_current.colormap - 1].colors; // color it
 823                 cb = (e->render.colormap & 0xF) << 4;cb += (cb >= 128 && cb < 224) ? 4 : 12;
 824                 cbcolor = (unsigned char *) (&palette_complete[cb]);
 825                 e->render.colormap_pantscolor[0] = cbcolor[0] * (1.0f / 255.0f);
 826                 e->render.colormap_pantscolor[1] = cbcolor[1] * (1.0f / 255.0f);
 827                 e->render.colormap_pantscolor[2] = cbcolor[2] * (1.0f / 255.0f);
 828                 cb = (e->render.colormap & 0xF0);cb += (cb >= 128 && cb < 224) ? 4 : 12;
 829                 cbcolor = (unsigned char *) (&palette_complete[cb]);
 830                 e->render.colormap_shirtcolor[0] = cbcolor[0] * (1.0f / 255.0f);
 831                 e->render.colormap_shirtcolor[1] = cbcolor[1] * (1.0f / 255.0f);
 832                 e->render.colormap_shirtcolor[2] = cbcolor[2] * (1.0f / 255.0f);
 833         }
 834         else
 835         {
 836                 e->render.colormap = -1; // no special coloring
 837                 VectorClear(e->render.colormap_pantscolor);
 838                 VectorClear(e->render.colormap_shirtcolor);
 839         }
 840         e->render.skinnum = e->state_current.skin;
 841         if (e->state_current.tagentity)
 842         {
 843                 // attached entity (gun held in player model's hand, etc)
 844                 // if the tag entity is currently impossible, skip it
 845                 if (e->state_current.tagentity >= cl.num_entities)
 846                         return;
 847                 t = cl.entities + e->state_current.tagentity;
 848                 // if the tag entity is inactive, skip it
 849                 if (!t->state_current.active)
 850                         return;
 851                 // update the parent first
 852                 CL_UpdateNetworkEntity(t, recursionlimit - 1, interpolate);
 853                 // make relative to the entity
 854                 matrix = &t->render.matrix;
 855                 // some properties of the tag entity carry over
 856                 e->render.flags |= t->render.flags & (RENDER_EXTERIORMODEL | RENDER_VIEWMODEL);
 857                 // if a valid tagindex is used, make it relative to that tag instead
 858                 // FIXME: use a model function to get tag info (need to handle skeletal)
 859                 if (e->state_current.tagentity && e->state_current.tagindex >= 1 && (model = t->render.model))
 860                 {
 861                         // blend the matrices
 862                         memset(&blendmatrix, 0, sizeof(blendmatrix));
 863                         for (j = 0;j < 4 && t->render.frameblend[j].lerp > 0;j++)
 864                         {
 865                                 matrix4x4_t tagmatrix;
 866                                 Mod_Alias_GetTagMatrix(model, t->render.frameblend[j].frame, e->state_current.tagindex - 1, &tagmatrix);
 867                                 d = t->render.frameblend[j].lerp;
 868                                 for (l = 0;l < 4;l++)
 869                                         for (k = 0;k < 4;k++)
 870                                                 blendmatrix.m[l][k] += d * tagmatrix.m[l][k];
 871                         }
 872                         // concat the tag matrices onto the entity matrix
 873                         Matrix4x4_Concat(&tempmatrix, &t->render.matrix, &blendmatrix);
 874                         // use the constructed tag matrix
 875                         matrix = &tempmatrix;
 876                 }
 877         }
 878         else if (e->render.flags & RENDER_VIEWMODEL)
 879         {
 880                 // view-relative entity (guns and such)
 881                 matrix = &viewmodelmatrix;
 882         }
 883         else
 884         {
 885                 // world-relative entity (the normal kind)
 886                 matrix = &identitymatrix;
 887         }
 888
 889         // movement lerp
 890         // if it's the predicted player entity, update according to client movement
 891         // but don't lerp if going through a teleporter as it causes a bad lerp
 892         // also don't use the predicted location if fixangle was set on both of
 893         // the most recent server messages, as that cause means you are spectating
 894         // someone or watching a cutscene of some sort
 895         if (e == cl.entities + cl.playerentity && cl.movement_predicted && (!cl.fixangle[1] || !cl.fixangle[0]))
 896         {
 897                 lerp = (cl.time - cl.movement_time[2]) / (cl.movement_time[0] - cl.movement_time[1]);
 898                 lerp = bound(0, lerp, 1);
 899                 if (!interpolate || cl_nolerp.integer || cl.fixangle[0])
 900                         lerp = 1;
 901                 VectorLerp(cl.movement_oldorigin, lerp, cl.movement_origin, origin);
 902                 VectorSet(angles, 0, cl.viewangles[1], 0);
 903         }
 904         else if (interpolate && e->persistent.lerpdeltatime > 0 && (lerp = (cl.time - e->persistent.lerpstarttime) / e->persistent.lerpdeltatime) < 1)
 905         {
 906                 // interpolate the origin and angles
 907                 lerp = max(0, lerp);
 908                 VectorLerp(e->persistent.oldorigin, lerp, e->persistent.neworigin, origin);
 909                 VectorSubtract(e->persistent.newangles, e->persistent.oldangles, delta);
 910                 if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
 911                 if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
 912                 if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
 913                 VectorMA(e->persistent.oldangles, lerp, delta, angles);
 914         }
 915         else
 916         {
 917                 // no interpolation
 918                 VectorCopy(e->persistent.neworigin, origin);
 919                 VectorCopy(e->persistent.newangles, angles);
 920         }
 921
 922         // model setup and some modelflags
 923         if(e->state_current.modelindex < MAX_MODELS)
 924                 e->render.model = cl.model_precache[e->state_current.modelindex];
 925         if (e->render.model)
 926         {
 927                 // if model is alias or this is a tenebrae-like dlight, reverse pitch direction
 928                 if (e->render.model->type == mod_alias)
 929                         angles[0] = -angles[0];
 930                 if ((e->render.model->flags & EF_ROTATE) && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
 931                 {
 932                         angles[1] = ANGLEMOD(100*cl.time);
 933                         if (cl_itembobheight.value)
 934                                 origin[2] += (cos(cl.time * cl_itembobspeed.value * (2.0 * M_PI)) + 1.0) * 0.5 * cl_itembobheight.value;
 935                 }
 936                 // transfer certain model flags to effects
 937                 e->render.effects |= e->render.model->flags2 & (EF_FULLBRIGHT | EF_ADDITIVE);
 938                 if ((e->render.effects & EF_SELECTABLE) && cl.cmd.cursor_entitynumber == e->state_current.number)
 939                         VectorScale(e->render.colormod, 2, e->render.colormod);
 940         }
 941         // if model is alias or this is a tenebrae-like dlight, reverse pitch direction
 942         else if (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC)
 943                 angles[0] = -angles[0];
 944
 945         // animation lerp
 946         if (e->render.frame2 == e->state_current.frame)
 947         {
 948                 // update frame lerp fraction
 949                 e->render.framelerp = 1;
 950                 if (e->render.frame2time > e->render.frame1time)
 951                 {
 952                         // make sure frame lerp won't last longer than 100ms
 953                         // (this mainly helps with models that use framegroups and
 954                         // switch between them infrequently)
 955                         e->render.framelerp = (cl.time - e->render.frame2time) / min(e->render.frame2time - e->render.frame1time, 0.1);
 956                         e->render.framelerp = bound(0, e->render.framelerp, 1);
 957                 }
 958         }
 959         else
 960         {
 961                 // begin a new frame lerp
 962                 e->render.frame1 = e->render.frame2;
 963                 e->render.frame1time = e->render.frame2time;
 964                 e->render.frame = e->render.frame2 = e->state_current.frame;
 965                 e->render.frame2time = cl.time;
 966                 e->render.framelerp = 0;
 967         }
 968
 969         // set up the render matrix
 970         if (matrix)
 971         {
 972                 // attached entity, this requires a matrix multiply (concat)
 973                 // FIXME: e->render.scale should go away
 974                 Matrix4x4_CreateFromQuakeEntity(&matrix2, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
 975                 // concat the matrices to make the entity relative to its tag
 976                 Matrix4x4_Concat(&e->render.matrix, matrix, &matrix2);
 977                 // get the origin from the new matrix
 978                 Matrix4x4_OriginFromMatrix(&e->render.matrix, origin);
 979         }
 980         else
 981         {
 982                 // unattached entities are faster to process
 983                 Matrix4x4_CreateFromQuakeEntity(&e->render.matrix, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
 984         }
 985
 986         // make the other useful stuff
 987         CL_UpdateRenderEntity(&e->render);
 988
 989         // tenebrae's sprites are all additive mode (weird)
 990         if (gamemode == GAME_TENEBRAE && e->render.model && e->render.model->type == mod_sprite)
 991                 e->render.effects |= EF_ADDITIVE;
 992         // player model is only shown with chase_active on
 993         if (e->state_current.number == cl.viewentity)
 994                 e->render.flags |= RENDER_EXTERIORMODEL;
 995         // either fullbright or lit
 996         if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
 997                 e->render.flags |= RENDER_LIGHT;
 998         // hide player shadow during intermission or nehahra movie
 999         if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
1000          && (e->render.alpha >= 1)
1001          && !(e->render.flags & RENDER_VIEWMODEL)
1002          && (!(e->render.flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
1003                 e->render.flags |= RENDER_SHADOW;
1004 }
1005
1006 // creates light and trails from an entity
1007 void CL_UpdateNetworkEntityTrail(entity_t *e)
1008 {
1009         effectnameindex_t trailtype;
1010         vec3_t origin;
1011
1012         // bmodels are treated specially since their origin is usually '0 0 0' and
1013         // their actual geometry is far from '0 0 0'
1014         if (e->render.model && e->render.model->soundfromcenter)
1015         {
1016                 vec3_t o;
1017                 VectorMAM(0.5f, e->render.model->normalmins, 0.5f, e->render.model->normalmaxs, o);
1018                 Matrix4x4_Transform(&e->render.matrix, o, origin);
1019         }
1020         else
1021                 Matrix4x4_OriginFromMatrix(&e->render.matrix, origin);
1022
1023         // handle particle trails and such effects now that we know where this
1024         // entity is in the world...
1025         trailtype = EFFECT_NONE;
1026         // LordHavoc: if the entity has no effects, don't check each
1027         if (e->render.effects & (EF_BRIGHTFIELD | EF_FLAME | EF_STARDUST | EF_FLAG1QW | EF_FLAG2QW))
1028         {
1029                 if (e->render.effects & EF_BRIGHTFIELD)
1030                 {
1031                         if (gamemode == GAME_NEXUIZ)
1032                                 trailtype = EFFECT_TR_NEXUIZPLASMA;
1033                         else
1034                                 CL_EntityParticles(e);
1035                 }
1036                 if (e->render.effects & EF_FLAME)
1037                         CL_ParticleTrail(EFFECT_EF_FLAME, bound(0, cl.time - cl.oldtime, 0.1), origin, origin, vec3_origin, vec3_origin, NULL, 0, false, true);
1038                 if (e->render.effects & EF_STARDUST)
1039                         CL_ParticleTrail(EFFECT_EF_STARDUST, bound(0, cl.time - cl.oldtime, 0.1), origin, origin, vec3_origin, vec3_origin, NULL, 0, false, true);
1040                 if (e->render.effects & (EF_FLAG1QW | EF_FLAG2QW))
1041                 {
1042                         // these are only set on player entities
1043                         CL_AddQWCTFFlagModel(e, (e->render.effects & EF_FLAG2QW) != 0);
1044                 }
1045         }
1046         // muzzleflash fades over time
1047         if (e->persistent.muzzleflash > 0)
1048                 e->persistent.muzzleflash -= bound(0, cl.time - cl.oldtime, 0.1) * 20;
1049         // LordHavoc: if the model has no flags, don't check each
1050         if (e->render.model && e->render.model->flags && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
1051         {
1052                 if (e->render.model->flags & EF_GIB)
1053                         trailtype = EFFECT_TR_BLOOD;
1054                 else if (e->render.model->flags & EF_ZOMGIB)
1055                         trailtype = EFFECT_TR_SLIGHTBLOOD;
1056                 else if (e->render.model->flags & EF_TRACER)
1057                         trailtype = EFFECT_TR_WIZSPIKE;
1058                 else if (e->render.model->flags & EF_TRACER2)
1059                         trailtype = EFFECT_TR_KNIGHTSPIKE;
1060                 else if (e->render.model->flags & EF_ROCKET)
1061                         trailtype = EFFECT_TR_ROCKET;
1062                 else if (e->render.model->flags & EF_GRENADE)
1063                 {
1064                         // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
1065                         trailtype = e->render.alpha == -1 ? EFFECT_TR_NEHAHRASMOKE : EFFECT_TR_GRENADE;
1066                 }
1067                 else if (e->render.model->flags & EF_TRACER3)
1068                         trailtype = EFFECT_TR_VORESPIKE;
1069         }
1070         // do trails
1071         if (e->render.flags & RENDER_GLOWTRAIL)
1072                 trailtype = EFFECT_TR_GLOWTRAIL;
1073         if (trailtype)
1074         {
1075                 float len;
1076                 vec3_t vel;
1077                 VectorSubtract(e->state_current.origin, e->state_previous.origin, vel);
1078                 len = e->state_current.time - e->state_previous.time;
1079                 if (len > 0)
1080                         len = 1.0f / len;
1081                 VectorScale(vel, len, vel);
1082                 CL_ParticleTrail(trailtype, 1, e->persistent.trail_origin, origin, vel, vel, e, e->state_current.glowcolor, false, true);
1083         }
1084         VectorCopy(origin, e->persistent.trail_origin);
1085 }
1086
1087
1088 /*
1089 ===============
1090 CL_UpdateViewEntities
1091 ===============
1092 */
1093 void CL_UpdateViewEntities(void)
1094 {
1095         int i;
1096         // update any RENDER_VIEWMODEL entities to use the new view matrix
1097         for (i = 1;i < cl.num_entities;i++)
1098         {
1099                 if (cl.entities_active[i])
1100                 {
1101                         entity_t *ent = cl.entities + i;
1102                         if ((ent->render.flags & RENDER_VIEWMODEL) || ent->state_current.tagentity)
1103                                 CL_UpdateNetworkEntity(ent, 32, true);
1104                 }
1105         }
1106         // and of course the engine viewmodel needs updating as well
1107         CL_UpdateNetworkEntity(&cl.viewent, 32, true);
1108 }
1109
1110 /*
1111 ===============
1112 CL_UpdateNetworkCollisionEntities
1113 ===============
1114 */
1115 void CL_UpdateNetworkCollisionEntities(void)
1116 {
1117         entity_t *ent;
1118         int i;
1119
1120         // start on the entity after the world
1121         cl.num_brushmodel_entities = 0;
1122         for (i = 1;i < cl.num_entities;i++)
1123         {
1124                 if (cl.entities_active[i])
1125                 {
1126                         ent = cl.entities + i;
1127                         if (ent->state_current.active && ent->render.model && ent->render.model->name[0] == '*' && ent->render.model->TraceBox)
1128                         {
1129                                 // do not interpolate the bmodels for this
1130                                 CL_UpdateNetworkEntity(ent, 32, false);
1131                                 cl.brushmodel_entities[cl.num_brushmodel_entities++] = ent->state_current.number;
1132                         }
1133                 }
1134         }
1135 }
1136
1137 /*
1138 ===============
1139 CL_UpdateNetworkEntities
1140 ===============
1141 */
1142 void CL_UpdateNetworkEntities(void)
1143 {
1144         entity_t *ent;
1145         int i;
1146
1147         // start on the entity after the world
1148         for (i = 1;i < cl.num_entities;i++)
1149         {
1150                 if (cl.entities_active[i])
1151                 {
1152                         ent = cl.entities + i;
1153                         if (ent->state_current.active)
1154                         {
1155                                 CL_UpdateNetworkEntity(ent, 32, true);
1156                                 // view models should never create light/trails
1157                                 if (!(ent->render.flags & RENDER_VIEWMODEL))
1158                                         CL_UpdateNetworkEntityTrail(ent);
1159                         }
1160                         else
1161                                 cl.entities_active[i] = false;
1162                 }
1163         }
1164 }
1165
1166 void CL_UpdateViewModel(void)
1167 {
1168         entity_t *ent;
1169         ent = &cl.viewent;
1170         ent->state_previous = ent->state_current;
1171         ent->state_current = defaultstate;
1172         ent->state_current.time = cl.time;
1173         ent->state_current.number = -1;
1174         ent->state_current.active = true;
1175         ent->state_current.modelindex = cl.stats[STAT_WEAPON];
1176         ent->state_current.frame = cl.stats[STAT_WEAPONFRAME];
1177         ent->state_current.flags = RENDER_VIEWMODEL;
1178         if ((cl.stats[STAT_HEALTH] <= 0 && cl_deathnoviewmodel.integer) || cl.intermission)
1179                 ent->state_current.modelindex = 0;
1180         else if (cl.stats[STAT_ITEMS] & IT_INVISIBILITY)
1181         {
1182                 if (gamemode == GAME_TRANSFUSION)
1183                         ent->state_current.alpha = 128;
1184                 else
1185                         ent->state_current.modelindex = 0;
1186         }
1187         ent->state_current.alpha = cl.entities[cl.viewentity].state_current.alpha;
1188         ent->state_current.effects = EF_NOSHADOW | (cl.entities[cl.viewentity].state_current.effects & (EF_ADDITIVE | EF_REFLECTIVE | EF_FULLBRIGHT | EF_NODEPTHTEST));
1189
1190         // reset animation interpolation on weaponmodel if model changed
1191         if (ent->state_previous.modelindex != ent->state_current.modelindex)
1192         {
1193                 ent->render.frame = ent->render.frame1 = ent->render.frame2 = ent->state_current.frame;
1194                 ent->render.frame1time = ent->render.frame2time = cl.time;
1195                 ent->render.framelerp = 1;
1196         }
1197         CL_UpdateNetworkEntity(ent, 32, true);
1198 }
1199
1200 // note this is a recursive function, but it can never get in a runaway loop (because of the delayedlink flags)
1201 void CL_LinkNetworkEntity(entity_t *e)
1202 {
1203         effectnameindex_t trailtype;
1204         vec3_t origin;
1205         vec3_t dlightcolor;
1206         vec_t dlightradius;
1207
1208         // skip inactive entities and world
1209         if (!e->state_current.active || e == cl.entities)
1210                 return;
1211         if (e->render.flags & RENDER_VIEWMODEL && !e->state_current.tagentity)
1212         {
1213                 if (!r_drawviewmodel.integer || chase_active.integer || r_refdef.envmap)
1214                         return;
1215         }
1216         else
1217         {
1218                 // if the tag entity is currently impossible, skip it
1219                 if (e->state_current.tagentity >= cl.num_entities)
1220                         return;
1221                 // if the tag entity is inactive, skip it
1222                 if (!cl.entities[e->state_current.tagentity].state_current.active)
1223                         return;
1224         }
1225
1226         // create entity dlights associated with this entity
1227         if (e->render.model && e->render.model->soundfromcenter)
1228         {
1229                 // bmodels are treated specially since their origin is usually '0 0 0'
1230                 vec3_t o;
1231                 VectorMAM(0.5f, e->render.model->normalmins, 0.5f, e->render.model->normalmaxs, o);
1232                 Matrix4x4_Transform(&e->render.matrix, o, origin);
1233         }
1234         else
1235                 Matrix4x4_OriginFromMatrix(&e->render.matrix, origin);
1236         trailtype = EFFECT_NONE;
1237         dlightradius = 0;
1238         dlightcolor[0] = 0;
1239         dlightcolor[1] = 0;
1240         dlightcolor[2] = 0;
1241         // LordHavoc: if the entity has no effects, don't check each
1242         if (e->render.effects & (EF_BRIGHTFIELD | EF_DIMLIGHT | EF_BRIGHTLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1243         {
1244                 if (e->render.effects & EF_BRIGHTFIELD)
1245                 {
1246                         if (gamemode == GAME_NEXUIZ)
1247                                 trailtype = EFFECT_TR_NEXUIZPLASMA;
1248                 }
1249                 if (e->render.effects & EF_DIMLIGHT)
1250                 {
1251                         dlightradius = max(dlightradius, 200);
1252                         dlightcolor[0] += 1.50f;
1253                         dlightcolor[1] += 1.50f;
1254                         dlightcolor[2] += 1.50f;
1255                 }
1256                 if (e->render.effects & EF_BRIGHTLIGHT)
1257                 {
1258                         dlightradius = max(dlightradius, 400);
1259                         dlightcolor[0] += 3.00f;
1260                         dlightcolor[1] += 3.00f;
1261                         dlightcolor[2] += 3.00f;
1262                 }
1263                 // LordHavoc: more effects
1264                 if (e->render.effects & EF_RED) // red
1265                 {
1266                         dlightradius = max(dlightradius, 200);
1267                         dlightcolor[0] += 1.50f;
1268                         dlightcolor[1] += 0.15f;
1269                         dlightcolor[2] += 0.15f;
1270                 }
1271                 if (e->render.effects & EF_BLUE) // blue
1272                 {
1273                         dlightradius = max(dlightradius, 200);
1274                         dlightcolor[0] += 0.15f;
1275                         dlightcolor[1] += 0.15f;
1276                         dlightcolor[2] += 1.50f;
1277                 }
1278                 if (e->render.effects & EF_FLAME)
1279                         CL_ParticleTrail(EFFECT_EF_FLAME, 0, origin, origin, vec3_origin, vec3_origin, NULL, 0, true, false);
1280                 if (e->render.effects & EF_STARDUST)
1281                         CL_ParticleTrail(EFFECT_EF_STARDUST, 0, origin, origin, vec3_origin, vec3_origin, NULL, 0, true, false);
1282         }
1283         // muzzleflash fades over time, and is offset a bit
1284         if (e->persistent.muzzleflash > 0 && r_refdef.numlights < MAX_DLIGHTS)
1285         {
1286                 vec3_t v2;
1287                 vec3_t color;
1288                 trace_t trace;
1289                 matrix4x4_t tempmatrix;
1290                 Matrix4x4_Transform(&e->render.matrix, muzzleflashorigin, v2);
1291                 trace = CL_Move(origin, vec3_origin, vec3_origin, v2, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_SKY, true, false, NULL, false);
1292                 Matrix4x4_Normalize(&tempmatrix, &e->render.matrix);
1293                 Matrix4x4_SetOrigin(&tempmatrix, trace.endpos[0], trace.endpos[1], trace.endpos[2]);
1294                 Matrix4x4_Scale(&tempmatrix, 150, 1);
1295                 VectorSet(color, e->persistent.muzzleflash * 4.0f, e->persistent.muzzleflash * 4.0f, e->persistent.muzzleflash * 4.0f);
1296                 R_RTLight_Update(&r_refdef.lights[r_refdef.numlights++], false, &tempmatrix, color, -1, NULL, true, 0, 0.25, 0, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1297         }
1298         // LordHavoc: if the model has no flags, don't check each
1299         if (e->render.model && e->render.model->flags && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
1300         {
1301                 if (e->render.model->flags & EF_GIB)
1302                         trailtype = EFFECT_TR_BLOOD;
1303                 else if (e->render.model->flags & EF_ZOMGIB)
1304                         trailtype = EFFECT_TR_SLIGHTBLOOD;
1305                 else if (e->render.model->flags & EF_TRACER)
1306                         trailtype = EFFECT_TR_WIZSPIKE;
1307                 else if (e->render.model->flags & EF_TRACER2)
1308                         trailtype = EFFECT_TR_KNIGHTSPIKE;
1309                 else if (e->render.model->flags & EF_ROCKET)
1310                         trailtype = EFFECT_TR_ROCKET;
1311                 else if (e->render.model->flags & EF_GRENADE)
1312                 {
1313                         // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
1314                         trailtype = e->render.alpha == -1 ? EFFECT_TR_NEHAHRASMOKE : EFFECT_TR_GRENADE;
1315                 }
1316                 else if (e->render.model->flags & EF_TRACER3)
1317                         trailtype = EFFECT_TR_VORESPIKE;
1318         }
1319         // LordHavoc: customizable glow
1320         if (e->state_current.glowsize)
1321         {
1322                 // * 4 for the expansion from 0-255 to 0-1023 range,
1323                 // / 255 to scale down byte colors
1324                 dlightradius = max(dlightradius, e->state_current.glowsize * 4);
1325                 VectorMA(dlightcolor, (1.0f / 255.0f), (unsigned char *)&palette_complete[e->state_current.glowcolor], dlightcolor);
1326         }
1327         // make the glow dlight
1328         if (dlightradius > 0 && (dlightcolor[0] || dlightcolor[1] || dlightcolor[2]) && !(e->render.flags & RENDER_VIEWMODEL) && r_refdef.numlights < MAX_DLIGHTS)
1329         {
1330                 matrix4x4_t dlightmatrix;
1331                 Matrix4x4_Normalize(&dlightmatrix, &e->render.matrix);
1332                 // hack to make glowing player light shine on their gun
1333                 //if (e->state_current.number == cl.viewentity/* && !chase_active.integer*/)
1334                 //      Matrix4x4_AdjustOrigin(&dlightmatrix, 0, 0, 30);
1335                 Matrix4x4_Scale(&dlightmatrix, dlightradius, 1);
1336                 R_RTLight_Update(&r_refdef.lights[r_refdef.numlights++], false, &dlightmatrix, dlightcolor, -1, NULL, true, 1, 0.25, 0, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1337         }
1338         // custom rtlight
1339         if ((e->state_current.lightpflags & PFLAGS_FULLDYNAMIC) && r_refdef.numlights < MAX_DLIGHTS)
1340         {
1341                 matrix4x4_t dlightmatrix;
1342                 float light[4];
1343                 VectorScale(e->state_current.light, (1.0f / 256.0f), light);
1344                 light[3] = e->state_current.light[3];
1345                 if (light[0] == 0 && light[1] == 0 && light[2] == 0)
1346                         VectorSet(light, 1, 1, 1);
1347                 if (light[3] == 0)
1348                         light[3] = 350;
1349                 // FIXME: add ambient/diffuse/specular scales as an extension ontop of TENEBRAE_GFX_DLIGHTS?
1350                 Matrix4x4_Normalize(&dlightmatrix, &e->render.matrix);
1351                 Matrix4x4_Scale(&dlightmatrix, light[3], 1);
1352                 R_RTLight_Update(&r_refdef.lights[r_refdef.numlights++], false, &dlightmatrix, light, e->state_current.lightstyle, e->state_current.skin > 0 ? va("cubemaps/%i", e->state_current.skin) : NULL, !(e->state_current.lightpflags & PFLAGS_NOSHADOW), (e->state_current.lightpflags & PFLAGS_CORONA) != 0, 0.25, 0, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1353         }
1354         // do trail light
1355         if (e->render.flags & RENDER_GLOWTRAIL)
1356                 trailtype = EFFECT_TR_GLOWTRAIL;
1357         if (trailtype)
1358                 CL_ParticleTrail(trailtype, 0, origin, origin, vec3_origin, vec3_origin, NULL, e->state_current.glowcolor, true, false);
1359
1360         // don't show entities with no modelindex (note: this still shows
1361         // entities which have a modelindex that resolved to a NULL model)
1362         if (e->render.model && !(e->render.effects & EF_NODRAW) && r_refdef.numentities < r_refdef.maxentities)
1363                 r_refdef.entities[r_refdef.numentities++] = &e->render;
1364         //if (cl.viewentity && e->state_current.number == cl.viewentity)
1365         //      Matrix4x4_Print(&e->render.matrix);
1366 }
1367
1368 void CL_RelinkWorld(void)
1369 {
1370         entity_t *ent = &cl.entities[0];
1371         cl.brushmodel_entities[cl.num_brushmodel_entities++] = 0;
1372         // FIXME: this should be done at load
1373         ent->render.matrix = identitymatrix;
1374         CL_UpdateRenderEntity(&ent->render);
1375         ent->render.flags = RENDER_SHADOW;
1376         if (!r_fullbright.integer)
1377                 ent->render.flags |= RENDER_LIGHT;
1378         VectorSet(ent->render.colormod, 1, 1, 1);
1379         r_refdef.worldentity = &ent->render;
1380         r_refdef.worldmodel = cl.worldmodel;
1381 }
1382
1383 static void CL_RelinkStaticEntities(void)
1384 {
1385         int i;
1386         entity_t *e;
1387         for (i = 0, e = cl.static_entities;i < cl.num_static_entities && r_refdef.numentities < r_refdef.maxentities;i++, e++)
1388         {
1389                 e->render.flags = 0;
1390                 // if the model was not loaded when the static entity was created we
1391                 // need to re-fetch the model pointer
1392                 e->render.model = cl.model_precache[e->state_baseline.modelindex];
1393                 CL_UpdateRenderEntity(&e->render);
1394                 // either fullbright or lit
1395                 if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
1396                         e->render.flags |= RENDER_LIGHT;
1397                 // hide player shadow during intermission or nehahra movie
1398                 if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST)) && (e->render.alpha >= 1))
1399                         e->render.flags |= RENDER_SHADOW;
1400                 VectorSet(e->render.colormod, 1, 1, 1);
1401                 R_LerpAnimation(&e->render);
1402                 r_refdef.entities[r_refdef.numentities++] = &e->render;
1403         }
1404 }
1405
1406 /*
1407 ===============
1408 CL_RelinkEntities
1409 ===============
1410 */
1411 static void CL_RelinkNetworkEntities(void)
1412 {
1413         entity_t *ent;
1414         int i;
1415
1416         // start on the entity after the world
1417         for (i = 1;i < cl.num_entities;i++)
1418         {
1419                 if (cl.entities_active[i])
1420                 {
1421                         ent = cl.entities + i;
1422                         if (ent->state_current.active)
1423                                 CL_LinkNetworkEntity(ent);
1424                         else
1425                                 cl.entities_active[i] = false;
1426                 }
1427         }
1428 }
1429
1430 static void CL_RelinkEffects(void)
1431 {
1432         int i, intframe;
1433         cl_effect_t *e;
1434         entity_t *ent;
1435         float frame;
1436
1437         for (i = 0, e = cl.effects;i < cl.num_effects;i++, e++)
1438         {
1439                 if (e->active)
1440                 {
1441                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
1442                         intframe = (int)frame;
1443                         if (intframe < 0 || intframe >= e->endframe)
1444                         {
1445                                 memset(e, 0, sizeof(*e));
1446                                 while (cl.num_effects > 0 && !cl.effects[cl.num_effects - 1].active)
1447                                         cl.num_effects--;
1448                                 continue;
1449                         }
1450
1451                         if (intframe != e->frame)
1452                         {
1453                                 e->frame = intframe;
1454                                 e->frame1time = e->frame2time;
1455                                 e->frame2time = cl.time;
1456                         }
1457
1458                         // if we're drawing effects, get a new temp entity
1459                         // (NewTempEntity adds it to the render entities list for us)
1460                         if (r_draweffects.integer && (ent = CL_NewTempEntity()))
1461                         {
1462                                 // interpolation stuff
1463                                 ent->render.frame1 = intframe;
1464                                 ent->render.frame2 = intframe + 1;
1465                                 if (ent->render.frame2 >= e->endframe)
1466                                         ent->render.frame2 = -1; // disappear
1467                                 ent->render.framelerp = frame - intframe;
1468                                 ent->render.frame1time = e->frame1time;
1469                                 ent->render.frame2time = e->frame2time;
1470
1471                                 // normal stuff
1472                                 if(e->modelindex < MAX_MODELS)
1473                                         ent->render.model = cl.model_precache[e->modelindex];
1474                                 else
1475                                         ent->render.model = cl.csqc_model_precache[-(e->modelindex+1)];
1476                                 ent->render.frame = ent->render.frame2;
1477                                 ent->render.colormap = -1; // no special coloring
1478                                 ent->render.alpha = 1;
1479                                 VectorSet(ent->render.colormod, 1, 1, 1);
1480
1481                                 Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, e->origin[0], e->origin[1], e->origin[2], 0, 0, 0, 1);
1482                                 CL_UpdateRenderEntity(&ent->render);
1483                         }
1484                 }
1485         }
1486 }
1487
1488 void CL_Beam_CalculatePositions(const beam_t *b, vec3_t start, vec3_t end)
1489 {
1490         VectorCopy(b->start, start);
1491         VectorCopy(b->end, end);
1492
1493         // if coming from the player, update the start position
1494         if (b->entity == cl.viewentity)
1495         {
1496                 if (cl_beams_quakepositionhack.integer && !chase_active.integer)
1497                 {
1498                         // LordHavoc: this is a stupid hack from Quake that makes your
1499                         // lightning appear to come from your waist and cover less of your
1500                         // view
1501                         // in Quake this hack was applied to all players (causing the
1502                         // infamous crotch-lightning), but in darkplaces and QuakeWorld it
1503                         // only applies to your own lightning, and only in first person
1504                         Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, start);
1505                 }
1506                 if (cl_beams_instantaimhack.integer)
1507                 {
1508                         vec3_t dir, localend;
1509                         vec_t len;
1510                         // LordHavoc: this updates the beam direction to match your
1511                         // viewangles
1512                         VectorSubtract(end, start, dir);
1513                         len = VectorLength(dir);
1514                         VectorNormalize(dir);
1515                         VectorSet(localend, len, 0, 0);
1516                         Matrix4x4_Transform(&r_view.matrix, localend, end);
1517                 }
1518         }
1519 }
1520
1521 void CL_RelinkBeams(void)
1522 {
1523         int i;
1524         beam_t *b;
1525         vec3_t dist, org, start, end;
1526         float d;
1527         entity_t *ent;
1528         float yaw, pitch;
1529         float forward;
1530         matrix4x4_t tempmatrix;
1531
1532         for (i = 0, b = cl.beams;i < cl.num_beams;i++, b++)
1533         {
1534                 if (!b->model)
1535                         continue;
1536                 if (b->endtime < cl.time)
1537                 {
1538                         b->model = NULL;
1539                         continue;
1540                 }
1541
1542                 CL_Beam_CalculatePositions(b, start, end);
1543
1544                 if (b->lightning)
1545                 {
1546                         if (cl_beams_lightatend.integer && r_refdef.numlights < MAX_DLIGHTS)
1547                         {
1548                                 // FIXME: create a matrix from the beam start/end orientation
1549                                 vec3_t dlightcolor;
1550                                 VectorSet(dlightcolor, 0.3, 0.7, 1);
1551                                 Matrix4x4_CreateFromQuakeEntity(&tempmatrix, end[0], end[1], end[2], 0, 0, 0, 200);
1552                                 R_RTLight_Update(&r_refdef.lights[r_refdef.numlights++], false, &tempmatrix, dlightcolor, -1, NULL, true, 1, 0.25, 1, 0, 0, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1553                         }
1554                         if (cl_beams_polygons.integer)
1555                                 continue;
1556                 }
1557
1558                 // calculate pitch and yaw
1559                 // (this is similar to the QuakeC builtin function vectoangles)
1560                 VectorSubtract(end, start, dist);
1561                 if (dist[1] == 0 && dist[0] == 0)
1562                 {
1563                         yaw = 0;
1564                         if (dist[2] > 0)
1565                                 pitch = 90;
1566                         else
1567                                 pitch = 270;
1568                 }
1569                 else
1570                 {
1571                         yaw = (int) (atan2(dist[1], dist[0]) * 180 / M_PI);
1572                         if (yaw < 0)
1573                                 yaw += 360;
1574
1575                         forward = sqrt (dist[0]*dist[0] + dist[1]*dist[1]);
1576                         pitch = (int) (atan2(dist[2], forward) * 180 / M_PI);
1577                         if (pitch < 0)
1578                                 pitch += 360;
1579                 }
1580
1581                 // add new entities for the lightning
1582                 VectorCopy (start, org);
1583                 d = VectorNormalizeLength(dist);
1584                 while (d > 0)
1585                 {
1586                         ent = CL_NewTempEntity ();
1587                         if (!ent)
1588                                 return;
1589                         //VectorCopy (org, ent->render.origin);
1590                         ent->render.model = b->model;
1591                         //ent->render.effects = EF_FULLBRIGHT;
1592                         //ent->render.angles[0] = pitch;
1593                         //ent->render.angles[1] = yaw;
1594                         //ent->render.angles[2] = rand()%360;
1595                         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, org[0], org[1], org[2], -pitch, yaw, lhrandom(0, 360), 1);
1596                         CL_UpdateRenderEntity(&ent->render);
1597                         VectorMA(org, 30, dist, org);
1598                         d -= 30;
1599                 }
1600         }
1601
1602         while (cl.num_beams > 0 && !cl.beams[cl.num_beams - 1].model)
1603                 cl.num_beams--;
1604 }
1605
1606 static void CL_RelinkQWNails(void)
1607 {
1608         int i;
1609         vec_t *v;
1610         entity_t *ent;
1611
1612         for (i = 0;i < cl.qw_num_nails;i++)
1613         {
1614                 v = cl.qw_nails[i];
1615
1616                 // if we're drawing effects, get a new temp entity
1617                 // (NewTempEntity adds it to the render entities list for us)
1618                 if (!(ent = CL_NewTempEntity()))
1619                         continue;
1620
1621                 // normal stuff
1622                 ent->render.model = cl.model_precache[cl.qw_modelindex_spike];
1623                 ent->render.colormap = -1; // no special coloring
1624                 ent->render.alpha = 1;
1625                 VectorSet(ent->render.colormod, 1, 1, 1);
1626
1627                 Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, v[0], v[1], v[2], v[3], v[4], v[5], 1);
1628                 CL_UpdateRenderEntity(&ent->render);
1629         }
1630 }
1631
1632 void CL_LerpPlayer(float frac)
1633 {
1634         int i;
1635
1636         cl.viewzoom = cl.mviewzoom[1] + frac * (cl.mviewzoom[0] - cl.mviewzoom[1]);
1637         for (i = 0;i < 3;i++)
1638         {
1639                 cl.punchangle[i] = cl.mpunchangle[1][i] + frac * (cl.mpunchangle[0][i] - cl.mpunchangle[1][i]);
1640                 cl.punchvector[i] = cl.mpunchvector[1][i] + frac * (cl.mpunchvector[0][i] - cl.mpunchvector[1][i]);
1641                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
1642         }
1643
1644         // interpolate the angles if playing a demo or spectating someone
1645         if (cls.demoplayback || cl.fixangle[0])
1646         {
1647                 for (i = 0;i < 3;i++)
1648                 {
1649                         float d = cl.mviewangles[0][i] - cl.mviewangles[1][i];
1650                         if (d > 180)
1651                                 d -= 360;
1652                         else if (d < -180)
1653                                 d += 360;
1654                         cl.viewangles[i] = cl.mviewangles[1][i] + frac * d;
1655                 }
1656         }
1657 }
1658
1659 void CSQC_RelinkAllEntities (int drawmask)
1660 {
1661         // link stuff
1662         CL_RelinkWorld();
1663         CL_RelinkStaticEntities();
1664         CL_RelinkBeams();
1665         CL_RelinkEffects();
1666
1667         // link stuff
1668         if (drawmask & ENTMASK_ENGINE)
1669         {
1670                 CL_RelinkNetworkEntities();
1671                 if (drawmask & ENTMASK_ENGINEVIEWMODELS)
1672                         CL_LinkNetworkEntity(&cl.viewent); // link gun model
1673                 CL_RelinkQWNails();
1674         }
1675
1676         // update view blend
1677         V_CalcViewBlend();
1678 }
1679
1680 /*
1681 ===============
1682 CL_ReadFromServer
1683
1684 Read all incoming data from the server
1685 ===============
1686 */
1687 int CL_ReadFromServer(void)
1688 {
1689         CL_ReadDemoMessage();
1690         CL_SendMove();
1691
1692         r_refdef.time = cl.time;
1693         r_refdef.extraupdate = !r_speeds.integer;
1694         r_refdef.numentities = 0;
1695         r_refdef.numlights = 0;
1696         r_view.matrix = identitymatrix;
1697
1698         cl.num_brushmodel_entities = 0;
1699
1700         if (cls.state == ca_connected && cls.signon == SIGNONS)
1701         {
1702                 // prepare for a new frame
1703                 CL_LerpPlayer(CL_LerpPoint());
1704                 CL_DecayLightFlashes();
1705                 CL_ClearTempEntities();
1706                 V_DriftPitch();
1707                 V_FadeViewFlashs();
1708
1709                 if (cl.movement_predicted)
1710                 {
1711                         // if prediction is enabled we have to update all the collidable
1712                         // network entities before the prediction code can be run
1713                         CL_UpdateNetworkCollisionEntities();
1714                 }
1715
1716                 // now update the player prediction
1717                 CL_ClientMovement_Replay();
1718
1719                 // update the player entity (which may be predicted)
1720                 CL_UpdateNetworkEntity(cl.entities + cl.viewentity, 32, true);
1721
1722                 // now update the view (which depends on that player entity)
1723                 V_CalcRefdef();
1724
1725                 // now update all the network entities and create particle trails
1726                 // (some entities may depend on the view)
1727                 CL_UpdateNetworkEntities();
1728
1729                 // update the engine-based viewmodel
1730                 CL_UpdateViewModel();
1731
1732                 CL_RelinkLightFlashes();
1733                 CSQC_RelinkAllEntities(ENTMASK_ENGINE | ENTMASK_ENGINEVIEWMODELS);
1734
1735                 // move particles
1736                 CL_MoveParticles();
1737                 R_MoveExplosions();
1738
1739                 // update the r_refdef time again because cl.time may have changed in
1740                 // CL_LerpPoint()
1741                 r_refdef.time = cl.time;
1742         }
1743
1744         return 0;
1745 }
1746
1747 // LordHavoc: pausedemo command
1748 static void CL_PauseDemo_f (void)
1749 {
1750         cls.demopaused = !cls.demopaused;
1751         if (cls.demopaused)
1752                 Con_Print("Demo paused\n");
1753         else
1754                 Con_Print("Demo unpaused\n");
1755 }
1756
1757 /*
1758 ======================
1759 CL_Fog_f
1760 ======================
1761 */
1762 static void CL_Fog_f (void)
1763 {
1764         if (Cmd_Argc () == 1)
1765         {
1766                 Con_Printf("\"fog\" is \"%f %f %f %f\"\n", r_refdef.fog_density, r_refdef.fog_red, r_refdef.fog_green, r_refdef.fog_blue);
1767                 return;
1768         }
1769         r_refdef.fog_density = atof(Cmd_Argv(1));
1770         r_refdef.fog_red = atof(Cmd_Argv(2));
1771         r_refdef.fog_green = atof(Cmd_Argv(3));
1772         r_refdef.fog_blue = atof(Cmd_Argv(4));
1773 }
1774
1775 /*
1776 ====================
1777 CL_TimeRefresh_f
1778
1779 For program optimization
1780 ====================
1781 */
1782 static void CL_TimeRefresh_f (void)
1783 {
1784         int i;
1785         float timestart, timedelta, oldangles[3];
1786
1787         r_refdef.extraupdate = false;
1788         VectorCopy(cl.viewangles, oldangles);
1789         VectorClear(cl.viewangles);
1790
1791         timestart = Sys_DoubleTime();
1792         for (i = 0;i < 128;i++)
1793         {
1794                 Matrix4x4_CreateFromQuakeEntity(&r_view.matrix, r_view.origin[0], r_view.origin[1], r_view.origin[2], 0, i / 128.0 * 360.0, 0, 1);
1795                 CL_UpdateScreen();
1796         }
1797         timedelta = Sys_DoubleTime() - timestart;
1798
1799         VectorCopy(oldangles, cl.viewangles);
1800         Con_Printf("%f seconds (%f fps)\n", timedelta, 128/timedelta);
1801 }
1802
1803 void CL_AreaStats_f(void)
1804 {
1805         World_PrintAreaStats(&cl.world, "client");
1806 }
1807
1808 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point)
1809 {
1810         int i;
1811         cl_locnode_t *loc;
1812         cl_locnode_t *best;
1813         vec3_t nearestpoint;
1814         vec_t dist, bestdist;
1815         best = NULL;
1816         bestdist = 0;
1817         for (loc = cl.locnodes;loc;loc = loc->next)
1818         {
1819                 for (i = 0;i < 3;i++)
1820                         nearestpoint[i] = bound(loc->mins[i], point[i], loc->maxs[i]);
1821                 dist = VectorDistance2(nearestpoint, point);
1822                 if (bestdist > dist || !best)
1823                 {
1824                         bestdist = dist;
1825                         best = loc;
1826                         if (bestdist < 1)
1827                                 break;
1828                 }
1829         }
1830         return best;
1831 }
1832
1833 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point)
1834 {
1835         cl_locnode_t *loc;
1836         loc = CL_Locs_FindNearest(point);
1837         if (loc)
1838                 strlcpy(buffer, loc->name, buffersize);
1839         else
1840                 dpsnprintf(buffer, buffersize, "LOC=%.0f:%.0f:%.0f", point[0], point[1], point[2]);
1841 }
1842
1843 void CL_Locs_FreeNode(cl_locnode_t *node)
1844 {
1845         cl_locnode_t **pointer, **next;
1846         for (pointer = &cl.locnodes;*pointer;pointer = next)
1847         {
1848                 next = &(*pointer)->next;
1849                 if (*pointer == node)
1850                 {
1851                         *pointer = node->next;
1852                         Mem_Free(node);
1853                 }
1854         }
1855         Con_Printf("CL_Locs_FreeNode: no such node! (%p)\n", node);
1856 }
1857
1858 void CL_Locs_AddNode(vec3_t mins, vec3_t maxs, const char *name)
1859 {
1860         cl_locnode_t *node, **pointer;
1861         int namelen;
1862         if (!name)
1863                 name = "";
1864         namelen = strlen(name);
1865         node = Mem_Alloc(cls.levelmempool, sizeof(cl_locnode_t) + namelen + 1);
1866         VectorSet(node->mins, min(mins[0], maxs[0]), min(mins[1], maxs[1]), min(mins[2], maxs[2]));
1867         VectorSet(node->maxs, max(mins[0], maxs[0]), max(mins[1], maxs[1]), max(mins[2], maxs[2]));
1868         node->name = (char *)(node + 1);
1869         memcpy(node->name, name, namelen);
1870         node->name[namelen] = 0;
1871         // link it into the tail of the list to preserve the order
1872         for (pointer = &cl.locnodes;*pointer;pointer = &(*pointer)->next)
1873                 ;
1874         *pointer = node;
1875 }
1876
1877 void CL_Locs_Add_f(void)
1878 {
1879         vec3_t mins, maxs;
1880         if (Cmd_Argc() != 5 && Cmd_Argc() != 8)
1881         {
1882                 Con_Printf("usage: %s x y z[ x y z] name\n", Cmd_Argv(0));
1883                 return;
1884         }
1885         mins[0] = atof(Cmd_Argv(1));
1886         mins[1] = atof(Cmd_Argv(2));
1887         mins[2] = atof(Cmd_Argv(3));
1888         if (Cmd_Argc() == 8)
1889         {
1890                 maxs[0] = atof(Cmd_Argv(4));
1891                 maxs[1] = atof(Cmd_Argv(5));
1892                 maxs[2] = atof(Cmd_Argv(6));
1893                 CL_Locs_AddNode(mins, maxs, Cmd_Argv(7));
1894         }
1895         else
1896                 CL_Locs_AddNode(mins, mins, Cmd_Argv(4));
1897 }
1898
1899 void CL_Locs_RemoveNearest_f(void)
1900 {
1901         cl_locnode_t *loc;
1902         loc = CL_Locs_FindNearest(r_view.origin);
1903         if (loc)
1904                 CL_Locs_FreeNode(loc);
1905         else
1906                 Con_Printf("no loc point or box found for your location\n");
1907 }
1908
1909 void CL_Locs_Clear_f(void)
1910 {
1911         while (cl.locnodes)
1912                 CL_Locs_FreeNode(cl.locnodes);
1913 }
1914
1915 void CL_Locs_Save_f(void)
1916 {
1917         cl_locnode_t *loc;
1918         qfile_t *outfile;
1919         char locfilename[MAX_QPATH];
1920         if (!cl.locnodes)
1921         {
1922                 Con_Printf("No loc points/boxes exist!\n");
1923                 return;
1924         }
1925         if (cls.state != ca_connected || !cl.worldmodel)
1926         {
1927                 Con_Printf("No level loaded!\n");
1928                 return;
1929         }
1930         FS_StripExtension(cl.worldmodel->name, locfilename, sizeof(locfilename));
1931         strlcat(locfilename, ".loc", sizeof(locfilename));
1932
1933         outfile = FS_Open(locfilename, "w", false, false);
1934         if (!outfile)
1935                 return;
1936         // if any boxes are used then this is a proquake-format loc file, which
1937         // allows comments, so add some relevant information at the start
1938         for (loc = cl.locnodes;loc;loc = loc->next)
1939                 if (!VectorCompare(loc->mins, loc->maxs))
1940                         break;
1941         if (loc)
1942         {
1943                 FS_Printf(outfile, "// %s %s saved by %s\n// x,y,z,x,y,z,\"name\"\n\n", locfilename, Sys_TimeString("%Y-%m-%d"), engineversion);
1944                 for (loc = cl.locnodes;loc;loc = loc->next)
1945                         if (VectorCompare(loc->mins, loc->maxs))
1946                                 break;
1947                 if (loc)
1948                         Con_Printf("Warning: writing loc file containing a mixture of qizmo-style points and proquake-style boxes may not work in qizmo or proquake!\n");
1949         }
1950         for (loc = cl.locnodes;loc;loc = loc->next)
1951         {
1952                 if (VectorCompare(loc->mins, loc->maxs))
1953                 {
1954                         int len;
1955                         const char *s;
1956                         const char *in = loc->name;
1957                         char name[MAX_INPUTLINE];
1958                         for (len = 0;len < (int)sizeof(name) - 1 && *in;)
1959                         {
1960                                 if (*in == ' ') {s = "$loc_name_separator";in++;}
1961                                 else if (!strncmp(in, "SSG", 3)) {s = "$loc_name_ssg";in += 3;}
1962                                 else if (!strncmp(in, "NG", 2)) {s = "$loc_name_ng";in += 2;}
1963                                 else if (!strncmp(in, "SNG", 3)) {s = "$loc_name_sng";in += 3;}
1964                                 else if (!strncmp(in, "GL", 2)) {s = "$loc_name_gl";in += 2;}
1965                                 else if (!strncmp(in, "RL", 2)) {s = "$loc_name_rl";in += 2;}
1966                                 else if (!strncmp(in, "LG", 2)) {s = "$loc_name_lg";in += 2;}
1967                                 else if (!strncmp(in, "GA", 2)) {s = "$loc_name_ga";in += 2;}
1968                                 else if (!strncmp(in, "YA", 2)) {s = "$loc_name_ya";in += 2;}
1969                                 else if (!strncmp(in, "RA", 2)) {s = "$loc_name_ra";in += 2;}
1970                                 else if (!strncmp(in, "MEGA", 4)) {s = "$loc_name_mh";in += 4;}
1971                                 else s = NULL;
1972                                 if (s)
1973                                 {
1974                                         while (len < (int)sizeof(name) - 1 && *s)
1975                                                 name[len++] = *s++;
1976                                         continue;
1977                                 }
1978                                 name[len++] = *in++;
1979                         }
1980                         name[len] = 0;
1981                         FS_Printf(outfile, "%.0f %.0f %.0f %s\n", loc->mins[0]*8, loc->mins[1]*8, loc->mins[2]*8, name);
1982                 }
1983                 else
1984                         FS_Printf(outfile, "%.1f,%.1f,%.1f,%.1f,%.1f,%.1f,\"%s\"\n", loc->mins[0], loc->mins[1], loc->mins[2], loc->maxs[0], loc->maxs[1], loc->maxs[2], loc->name);
1985         }
1986         FS_Close(outfile);
1987 }
1988
1989 void CL_Locs_Reload_f(void)
1990 {
1991         int i, linenumber, limit, len;
1992         const char *s;
1993         char *filedata, *text, *textend, *linestart, *linetext, *lineend;
1994         fs_offset_t filesize;
1995         vec3_t mins, maxs;
1996         char locfilename[MAX_QPATH];
1997         char name[MAX_INPUTLINE];
1998
1999         if (cls.state != ca_connected || !cl.worldmodel)
2000         {
2001                 Con_Printf("No level loaded!\n");
2002                 return;
2003         }
2004
2005         CL_Locs_Clear_f();
2006
2007         // try maps/something.loc first (LordHavoc: where I think they should be)
2008         FS_StripExtension(cl.worldmodel->name, locfilename, sizeof(locfilename));
2009         strlcat(locfilename, ".loc", sizeof(locfilename));
2010         filedata = (char *)FS_LoadFile(locfilename, cls.levelmempool, false, &filesize);
2011         if (!filedata)
2012         {
2013                 // try proquake name as well (LordHavoc: I hate path mangling)
2014                 FS_StripExtension(va("locs/%s", FS_FileWithoutPath(cl.worldmodel->name)), locfilename, sizeof(locfilename));
2015                 strlcat(locfilename, ".loc", sizeof(locfilename));
2016                 filedata = (char *)FS_LoadFile(locfilename, cls.levelmempool, false, &filesize);
2017                 if (!filedata)
2018                         return;
2019         }
2020         text = filedata;
2021         textend = filedata + filesize;
2022         for (linenumber = 1;text < textend;linenumber++)
2023         {
2024                 linestart = text;
2025                 for (;text < textend && *text != '\r' && *text != '\n';text++)
2026                         ;
2027                 lineend = text;
2028                 if (text + 1 < textend && *text == '\r' && text[1] == '\n')
2029                         text++;
2030                 if (text < textend)
2031                         text++;
2032                 // trim trailing whitespace
2033                 while (lineend > linestart && lineend[-1] <= ' ')
2034                         lineend--;
2035                 // trim leading whitespace
2036                 while (linestart < lineend && *linestart <= ' ')
2037                         linestart++;
2038                 // check if this is a comment
2039                 if (linestart + 2 <= lineend && !strncmp(linestart, "//", 2))
2040                         continue;
2041                 linetext = linestart;
2042                 limit = 3;
2043                 for (i = 0;i < limit;i++)
2044                 {
2045                         if (linetext >= lineend)
2046                                 break;
2047                         // note: a missing number is interpreted as 0
2048                         if (i < 3)
2049                                 mins[i] = atof(linetext);
2050                         else
2051                                 maxs[i - 3] = atof(linetext);
2052                         // now advance past the number
2053                         while (linetext < lineend && *linetext > ' ' && *linetext != ',')
2054                                 linetext++;
2055                         // advance through whitespace
2056                         if (linetext < lineend)
2057                         {
2058                                 if (*linetext == ',')
2059                                 {
2060                                         linetext++;
2061                                         limit = 6;
2062                                         // note: comma can be followed by whitespace
2063                                 }
2064                                 if (*linetext <= ' ')
2065                                 {
2066                                         // skip whitespace
2067                                         while (linetext < lineend && *linetext <= ' ')
2068                                                 linetext++;
2069                                 }
2070                         }
2071                 }
2072                 // if this is a quoted name, remove the quotes
2073                 if (i == 6)
2074                 {
2075                         if (linetext >= lineend || *linetext != '"')
2076                                 continue; // proquake location names are always quoted
2077                         lineend--;
2078                         linetext++;
2079                         len = min(lineend - linetext, (int)sizeof(name) - 1);
2080                         memcpy(name, linetext, len);
2081                         name[len] = 0;
2082                         // add the box to the list
2083                         CL_Locs_AddNode(mins, maxs, name);
2084                 }
2085                 // if a point was parsed, it needs to be scaled down by 8 (since
2086                 // point-based loc files were invented by a proxy which dealt
2087                 // directly with quake protocol coordinates, which are *8), turn
2088                 // it into a box
2089                 else if (i == 3)
2090                 {
2091                         // interpret silly fuhquake macros
2092                         for (len = 0;len < (int)sizeof(name) - 1 && linetext < lineend;)
2093                         {
2094                                 if (*linetext == '$')
2095                                 {
2096                                         if (linetext + 18 <= lineend && !strncmp(linetext, "$loc_name_separator", 19)) {s = " ";linetext += 19;}
2097                                         else if (linetext + 13 <= lineend && !strncmp(linetext, "$loc_name_ssg", 13)) {s = "SSG";linetext += 13;}
2098                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_ng", 12)) {s = "NG";linetext += 12;}
2099                                         else if (linetext + 13 <= lineend && !strncmp(linetext, "$loc_name_sng", 13)) {s = "SNG";linetext += 13;}
2100                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_gl", 12)) {s = "GL";linetext += 12;}
2101                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_rl", 12)) {s = "RL";linetext += 12;}
2102                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_lg", 12)) {s = "LG";linetext += 12;}
2103                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_ga", 12)) {s = "GA";linetext += 12;}
2104                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_ya", 12)) {s = "YA";linetext += 12;}
2105                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_ra", 12)) {s = "RA";linetext += 12;}
2106                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_mh", 12)) {s = "MEGA";linetext += 12;}
2107                                         else s = NULL;
2108                                         if (s)
2109                                         {
2110                                                 while (len < (int)sizeof(name) - 1 && *s)
2111                                                         name[len++] = *s++;
2112                                                 continue;
2113                                         }
2114                                 }
2115                                 name[len++] = *linetext++;
2116                         }
2117                         name[len] = 0;
2118                         // add the point to the list
2119                         VectorScale(mins, (1.0 / 8.0), mins);
2120                         CL_Locs_AddNode(mins, mins, name);
2121                 }
2122                 else
2123                         continue;
2124         }
2125 }
2126
2127 /*
2128 ===========
2129 CL_Shutdown
2130 ===========
2131 */
2132 void CL_Shutdown (void)
2133 {
2134         CL_Particles_Shutdown();
2135         CL_Parse_Shutdown();
2136
2137         Mem_FreePool (&cls.permanentmempool);
2138         Mem_FreePool (&cls.levelmempool);
2139 }
2140
2141 /*
2142 =================
2143 CL_Init
2144 =================
2145 */
2146 void CL_Init (void)
2147 {
2148         cls.levelmempool = Mem_AllocPool("client (per-level memory)", 0, NULL);
2149         cls.permanentmempool = Mem_AllocPool("client (long term memory)", 0, NULL);
2150
2151         memset(&r_refdef, 0, sizeof(r_refdef));
2152         // max entities sent to renderer per frame
2153         r_refdef.maxentities = MAX_EDICTS + 256 + 512;
2154         r_refdef.entities = (entity_render_t **)Mem_Alloc(cls.permanentmempool, sizeof(entity_render_t *) * r_refdef.maxentities);
2155
2156         CL_InitInput ();
2157
2158 //
2159 // register our commands
2160 //
2161         Cvar_RegisterVariable (&cl_upspeed);
2162         Cvar_RegisterVariable (&cl_forwardspeed);
2163         Cvar_RegisterVariable (&cl_backspeed);
2164         Cvar_RegisterVariable (&cl_sidespeed);
2165         Cvar_RegisterVariable (&cl_movespeedkey);
2166         Cvar_RegisterVariable (&cl_yawspeed);
2167         Cvar_RegisterVariable (&cl_pitchspeed);
2168         Cvar_RegisterVariable (&cl_anglespeedkey);
2169         Cvar_RegisterVariable (&cl_shownet);
2170         Cvar_RegisterVariable (&cl_nolerp);
2171         Cvar_RegisterVariable (&lookspring);
2172         Cvar_RegisterVariable (&lookstrafe);
2173         Cvar_RegisterVariable (&sensitivity);
2174         Cvar_RegisterVariable (&freelook);
2175
2176         Cvar_RegisterVariable (&m_pitch);
2177         Cvar_RegisterVariable (&m_yaw);
2178         Cvar_RegisterVariable (&m_forward);
2179         Cvar_RegisterVariable (&m_side);
2180
2181         Cvar_RegisterVariable (&cl_itembobspeed);
2182         Cvar_RegisterVariable (&cl_itembobheight);
2183
2184         Cmd_AddCommand ("entities", CL_PrintEntities_f, "print information on network entities known to client");
2185         Cmd_AddCommand ("disconnect", CL_Disconnect_f, "disconnect from server (or disconnect all clients if running a server)");
2186         Cmd_AddCommand ("record", CL_Record_f, "record a demo");
2187         Cmd_AddCommand ("stop", CL_Stop_f, "stop recording or playing a demo");
2188         Cmd_AddCommand ("playdemo", CL_PlayDemo_f, "watch a demo file");
2189         Cmd_AddCommand ("timedemo", CL_TimeDemo_f, "play back a demo as fast as possible and save statistics to benchmark.log");
2190
2191         Cvar_RegisterVariable (&cl_autodemo);
2192         Cvar_RegisterVariable (&cl_autodemo_nameformat);
2193
2194         Cmd_AddCommand ("fog", CL_Fog_f, "set global fog parameters (density red green blue)");
2195
2196         // LordHavoc: added pausedemo
2197         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f, "pause demo playback (can also safely pause demo recording if using QUAKE, QUAKEDP or NEHAHRAMOVIE protocol, useful for making movies)");
2198
2199         Cmd_AddCommand ("cl_areastats", CL_AreaStats_f, "prints statistics on entity culling during collision traces");
2200
2201         Cvar_RegisterVariable(&r_draweffects);
2202         Cvar_RegisterVariable(&cl_explosions_alpha_start);
2203         Cvar_RegisterVariable(&cl_explosions_alpha_end);
2204         Cvar_RegisterVariable(&cl_explosions_size_start);
2205         Cvar_RegisterVariable(&cl_explosions_size_end);
2206         Cvar_RegisterVariable(&cl_explosions_lifetime);
2207         Cvar_RegisterVariable(&cl_stainmaps);
2208         Cvar_RegisterVariable(&cl_stainmaps_clearonload);
2209         Cvar_RegisterVariable(&cl_beams_polygons);
2210         Cvar_RegisterVariable(&cl_beams_quakepositionhack);
2211         Cvar_RegisterVariable(&cl_beams_instantaimhack);
2212         Cvar_RegisterVariable(&cl_beams_lightatend);
2213         Cvar_RegisterVariable(&cl_noplayershadow);
2214         Cvar_RegisterVariable(&cl_dlights_decayradius);
2215         Cvar_RegisterVariable(&cl_dlights_decaybrightness);
2216
2217         Cvar_RegisterVariable(&cl_prydoncursor);
2218
2219         Cvar_RegisterVariable(&cl_deathnoviewmodel);
2220
2221         // for QW connections
2222         Cvar_RegisterVariable(&qport);
2223         Cvar_SetValueQuick(&qport, (rand() * RAND_MAX + rand()) & 0xffff);
2224
2225         Cmd_AddCommand("timerefresh", CL_TimeRefresh_f, "turn quickly and print rendering statistcs");
2226
2227         Cvar_RegisterVariable(&cl_locs_enable);
2228         Cvar_RegisterVariable(&cl_locs_show);
2229         Cmd_AddCommand("locs_add", CL_Locs_Add_f, "add a point or box location (usage: x y z[ x y z] \"name\", if two sets of xyz are supplied it is a box, otherwise point)");
2230         Cmd_AddCommand("locs_removenearest", CL_Locs_RemoveNearest_f, "remove the nearest point or box (note: you need to be very near a box to remove it)");
2231         Cmd_AddCommand("locs_clear", CL_Locs_Clear_f, "remove all loc points/boxes");
2232         Cmd_AddCommand("locs_reload", CL_Locs_Reload_f, "reload .loc file for this map");
2233         Cmd_AddCommand("locs_save", CL_Locs_Save_f, "save .loc file for this map containing currently defined points and boxes");
2234
2235         CL_Parse_Init();
2236         CL_Particles_Init();
2237         CL_Screen_Init();
2238
2239         CL_Video_Init();
2240 }
2241
2242
2243