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", "autodemos/%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", "0", "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, 10000);
 342                 NetConn_SendUnreliableMessage(cls.netcon, &buf, cls.protocol, 10000);
 343                 NetConn_SendUnreliableMessage(cls.netcon, &buf, cls.protocol, 10000);
 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 /*
 440 ===============
 441 CL_ModelIndexList_f
 442
 443 List all models in the client modelindex
 444 ===============
 445 */
 446 static void CL_ModelIndexList_f(void)
 447 {
 448         int nModelIndexCnt = 1;
 449
 450         while(cl.model_precache[nModelIndexCnt] && nModelIndexCnt != MAX_MODELS)
 451         { // Valid Model
 452                 Con_Printf("%i : %s\n", nModelIndexCnt, cl.model_precache[nModelIndexCnt]->name);
 453                 nModelIndexCnt++;
 454         }
 455 }
 456
 457 //static const vec3_t nomodelmins = {-16, -16, -16};
 458 //static const vec3_t nomodelmaxs = {16, 16, 16};
 459 void CL_UpdateRenderEntity(entity_render_t *ent)
 460 {
 461         vec3_t org;
 462         vec_t scale;
 463         model_t *model = ent->model;
 464         // update the inverse matrix for the renderer
 465         Matrix4x4_Invert_Simple(&ent->inversematrix, &ent->matrix);
 466         // update the animation blend state
 467         R_LerpAnimation(ent);
 468         // we need the matrix origin to center the box
 469         Matrix4x4_OriginFromMatrix(&ent->matrix, org);
 470         // update entity->render.scale because the renderer needs it
 471         ent->scale = scale = Matrix4x4_ScaleFromMatrix(&ent->matrix);
 472         if (model)
 473         {
 474                 // NOTE: this directly extracts vector components from the matrix, which relies on the matrix orientation!
 475 #ifdef MATRIX4x4_OPENGLORIENTATION
 476                 if (ent->matrix.m[0][2] != 0 || ent->matrix.m[1][2] != 0)
 477 #else
 478                 if (ent->matrix.m[2][0] != 0 || ent->matrix.m[2][1] != 0)
 479 #endif
 480                 {
 481                         // pitch or roll
 482                         VectorMA(org, scale, model->rotatedmins, ent->mins);
 483                         VectorMA(org, scale, model->rotatedmaxs, ent->maxs);
 484                 }
 485 #ifdef MATRIX4x4_OPENGLORIENTATION
 486                 else if (ent->matrix.m[1][0] != 0 || ent->matrix.m[0][1] != 0)
 487 #else
 488                 else if (ent->matrix.m[0][1] != 0 || ent->matrix.m[1][0] != 0)
 489 #endif
 490                 {
 491                         // yaw
 492                         VectorMA(org, scale, model->yawmins, ent->mins);
 493                         VectorMA(org, scale, model->yawmaxs, ent->maxs);
 494                 }
 495                 else
 496                 {
 497                         VectorMA(org, scale, model->normalmins, ent->mins);
 498                         VectorMA(org, scale, model->normalmaxs, ent->maxs);
 499                 }
 500         }
 501         else
 502         {
 503                 ent->mins[0] = org[0] - 16;
 504                 ent->mins[1] = org[1] - 16;
 505                 ent->mins[2] = org[2] - 16;
 506                 ent->maxs[0] = org[0] + 16;
 507                 ent->maxs[1] = org[1] + 16;
 508                 ent->maxs[2] = org[2] + 16;
 509         }
 510 }
 511
 512 /*
 513 ===============
 514 CL_LerpPoint
 515
 516 Determines the fraction between the last two messages that the objects
 517 should be put at.
 518 ===============
 519 */
 520 static float CL_LerpPoint(void)
 521 {
 522         float f;
 523
 524         if (cl_nettimesyncboundmode.integer == 1)
 525                 cl.time = bound(cl.mtime[1], cl.time, cl.mtime[0]);
 526
 527         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 528         if (cl.mtime[0] <= cl.mtime[1])
 529         {
 530                 cl.time = cl.mtime[0];
 531                 return 1;
 532         }
 533
 534         f = (cl.time - cl.mtime[1]) / (cl.mtime[0] - cl.mtime[1]);
 535         return bound(0, f, 1);
 536 }
 537
 538 void CL_ClearTempEntities (void)
 539 {
 540         cl.num_temp_entities = 0;
 541 }
 542
 543 entity_t *CL_NewTempEntity(void)
 544 {
 545         entity_t *ent;
 546
 547         if (r_refdef.numentities >= r_refdef.maxentities)
 548                 return NULL;
 549         if (cl.num_temp_entities >= cl.max_temp_entities)
 550                 return NULL;
 551         ent = &cl.temp_entities[cl.num_temp_entities++];
 552         memset (ent, 0, sizeof(*ent));
 553         r_refdef.entities[r_refdef.numentities++] = &ent->render;
 554
 555         ent->render.colormap = -1; // no special coloring
 556         ent->render.alpha = 1;
 557         VectorSet(ent->render.colormod, 1, 1, 1);
 558         return ent;
 559 }
 560
 561 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
 562 {
 563         int i;
 564         cl_effect_t *e;
 565         if (!modelindex) // sanity check
 566                 return;
 567         if (framerate < 1)
 568         {
 569                 Con_Printf("CL_Effect: framerate %f is < 1\n", framerate);
 570                 return;
 571         }
 572         if (framecount < 1)
 573         {
 574                 Con_Printf("CL_Effect: framecount %i is < 1\n", framecount);
 575                 return;
 576         }
 577         for (i = 0, e = cl.effects;i < cl.max_effects;i++, e++)
 578         {
 579                 if (e->active)
 580                         continue;
 581                 e->active = true;
 582                 VectorCopy(org, e->origin);
 583                 e->modelindex = modelindex;
 584                 e->starttime = cl.time;
 585                 e->startframe = startframe;
 586                 e->endframe = startframe + framecount;
 587                 e->framerate = framerate;
 588
 589                 e->frame = 0;
 590                 e->frame1time = cl.time;
 591                 e->frame2time = cl.time;
 592                 cl.num_effects = max(cl.num_effects, i + 1);
 593                 break;
 594         }
 595 }
 596
 597 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)
 598 {
 599         int i;
 600         dlight_t *dl;
 601
 602         /*
 603 // first look for an exact key match
 604         if (ent)
 605         {
 606                 dl = cl.dlights;
 607                 for (i = 0;i < cl.num_dlights;i++, dl++)
 608                         if (dl->ent == ent)
 609                                 goto dlightsetup;
 610         }
 611         */
 612
 613 // then look for anything else
 614         dl = cl.dlights;
 615         for (i = 0;i < cl.num_dlights;i++, dl++)
 616                 if (!dl->radius)
 617                         goto dlightsetup;
 618         // if we hit the end of the active dlights and found no gaps, add a new one
 619         if (i < MAX_DLIGHTS)
 620         {
 621                 cl.num_dlights = i + 1;
 622                 goto dlightsetup;
 623         }
 624
 625         // unable to find one
 626         return;
 627
 628 dlightsetup:
 629         //Con_Printf("dlight %i : %f %f %f : %f %f %f\n", i, org[0], org[1], org[2], red * radius, green * radius, blue * radius);
 630         memset (dl, 0, sizeof(*dl));
 631         Matrix4x4_Normalize(&dl->matrix, matrix);
 632         dl->ent = ent;
 633         Matrix4x4_OriginFromMatrix(&dl->matrix, dl->origin);
 634         CL_FindNonSolidLocation(dl->origin, dl->origin, 6);
 635         Matrix4x4_SetOrigin(&dl->matrix, dl->origin[0], dl->origin[1], dl->origin[2]);
 636         dl->radius = radius;
 637         dl->color[0] = red;
 638         dl->color[1] = green;
 639         dl->color[2] = blue;
 640         dl->initialradius = radius;
 641         dl->initialcolor[0] = red;
 642         dl->initialcolor[1] = green;
 643         dl->initialcolor[2] = blue;
 644         dl->decay = decay / radius; // changed decay to be a percentage decrease
 645         dl->intensity = 1; // this is what gets decayed
 646         if (lifetime)
 647                 dl->die = cl.time + lifetime;
 648         else
 649                 dl->die = 0;
 650         if (cubemapnum > 0)
 651                 dpsnprintf(dl->cubemapname, sizeof(dl->cubemapname), "cubemaps/%i", cubemapnum);
 652         else
 653                 dl->cubemapname[0] = 0;
 654         dl->style = style;
 655         dl->shadow = shadowenable;
 656         dl->corona = corona;
 657         dl->flags = flags;
 658         dl->coronasizescale = coronasizescale;
 659         dl->ambientscale = ambientscale;
 660         dl->diffusescale = diffusescale;
 661         dl->specularscale = specularscale;
 662 }
 663
 664 void CL_DecayLightFlashes(void)
 665 {
 666         int i, oldmax;
 667         dlight_t *dl;
 668         float time;
 669
 670         time = bound(0, cl.time - cl.oldtime, 0.1);
 671         oldmax = cl.num_dlights;
 672         cl.num_dlights = 0;
 673         for (i = 0, dl = cl.dlights;i < oldmax;i++, dl++)
 674         {
 675                 if (dl->radius)
 676                 {
 677                         dl->intensity -= time * dl->decay;
 678                         if (cl.time < dl->die && dl->intensity > 0)
 679                         {
 680                                 if (cl_dlights_decayradius.integer)
 681                                         dl->radius = dl->initialradius * dl->intensity;
 682                                 else
 683                                         dl->radius = dl->initialradius;
 684                                 if (cl_dlights_decaybrightness.integer)
 685                                         VectorScale(dl->initialcolor, dl->intensity, dl->color);
 686                                 else
 687                                         VectorCopy(dl->initialcolor, dl->color);
 688                                 cl.num_dlights = i + 1;
 689                         }
 690                         else
 691                                 dl->radius = 0;
 692                 }
 693         }
 694 }
 695
 696 // called before entity relinking
 697 void CL_RelinkLightFlashes(void)
 698 {
 699         int i, j, k, l;
 700         dlight_t *dl;
 701         float frac, f;
 702         matrix4x4_t tempmatrix;
 703
 704         if (r_dynamic.integer)
 705         {
 706                 for (i = 0, dl = cl.dlights;i < cl.num_dlights && r_refdef.numlights < MAX_DLIGHTS;i++, dl++)
 707                 {
 708                         if (dl->radius)
 709                         {
 710                                 tempmatrix = dl->matrix;
 711                                 Matrix4x4_Scale(&tempmatrix, dl->radius, 1);
 712                                 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);
 713                         }
 714                 }
 715         }
 716
 717 // light animations
 718 // 'm' is normal light, 'a' is no light, 'z' is double bright
 719         f = cl.time * 10;
 720         i = (int)floor(f);
 721         frac = f - i;
 722         for (j = 0;j < cl.max_lightstyle;j++)
 723         {
 724                 if (!cl.lightstyle || !cl.lightstyle[j].length)
 725                 {
 726                         r_refdef.lightstylevalue[j] = 256;
 727                         continue;
 728                 }
 729                 k = i % cl.lightstyle[j].length;
 730                 l = (i-1) % cl.lightstyle[j].length;
 731                 k = cl.lightstyle[j].map[k] - 'a';
 732                 l = cl.lightstyle[j].map[l] - 'a';
 733                 r_refdef.lightstylevalue[j] = (unsigned short)(((k*frac)+(l*(1-frac)))*22);
 734         }
 735 }
 736
 737 void CL_AddQWCTFFlagModel(entity_t *player, int skin)
 738 {
 739         float f;
 740         entity_t *flag;
 741         matrix4x4_t flagmatrix;
 742
 743         // this code taken from QuakeWorld
 744         f = 14;
 745         if (player->render.frame2 >= 29 && player->render.frame2 <= 40)
 746         {
 747                 if (player->render.frame2 >= 29 && player->render.frame2 <= 34)
 748                 { //axpain
 749                         if      (player->render.frame2 == 29) f = f + 2;
 750                         else if (player->render.frame2 == 30) f = f + 8;
 751                         else if (player->render.frame2 == 31) f = f + 12;
 752                         else if (player->render.frame2 == 32) f = f + 11;
 753                         else if (player->render.frame2 == 33) f = f + 10;
 754                         else if (player->render.frame2 == 34) f = f + 4;
 755                 }
 756                 else if (player->render.frame2 >= 35 && player->render.frame2 <= 40)
 757                 { // pain
 758                         if      (player->render.frame2 == 35) f = f + 2;
 759                         else if (player->render.frame2 == 36) f = f + 10;
 760                         else if (player->render.frame2 == 37) f = f + 10;
 761                         else if (player->render.frame2 == 38) f = f + 8;
 762                         else if (player->render.frame2 == 39) f = f + 4;
 763                         else if (player->render.frame2 == 40) f = f + 2;
 764                 }
 765         }
 766         else if (player->render.frame2 >= 103 && player->render.frame2 <= 118)
 767         {
 768                 if      (player->render.frame2 >= 103 && player->render.frame2 <= 104) f = f + 6;  //nailattack
 769                 else if (player->render.frame2 >= 105 && player->render.frame2 <= 106) f = f + 6;  //light
 770                 else if (player->render.frame2 >= 107 && player->render.frame2 <= 112) f = f + 7;  //rocketattack
 771                 else if (player->render.frame2 >= 112 && player->render.frame2 <= 118) f = f + 7;  //shotattack
 772         }
 773         // end of code taken from QuakeWorld
 774
 775         flag = CL_NewTempEntity();
 776         if (!flag)
 777                 return;
 778
 779         flag->render.model = cl.model_precache[cl.qw_modelindex_flag];
 780         flag->render.skinnum = skin;
 781         flag->render.colormap = -1; // no special coloring
 782         flag->render.alpha = 1;
 783         VectorSet(flag->render.colormod, 1, 1, 1);
 784         // attach the flag to the player matrix
 785         Matrix4x4_CreateFromQuakeEntity(&flagmatrix, -f, -22, 0, 0, 0, -45, 1);
 786         Matrix4x4_Concat(&flag->render.matrix, &player->render.matrix, &flagmatrix);
 787         CL_UpdateRenderEntity(&flag->render);
 788 }
 789
 790 matrix4x4_t viewmodelmatrix;
 791
 792 static const vec3_t muzzleflashorigin = {18, 0, 0};
 793
 794 extern void V_DriftPitch(void);
 795 extern void V_FadeViewFlashs(void);
 796 extern void V_CalcViewBlend(void);
 797 extern void V_CalcRefdef(void);
 798
 799 // note this is a recursive function, recursionlimit should be 32 or so on the initial call
 800 void CL_UpdateNetworkEntity(entity_t *e, int recursionlimit, qboolean interpolate)
 801 {
 802         const matrix4x4_t *matrix;
 803         matrix4x4_t blendmatrix, tempmatrix, matrix2;
 804         int j, k, l;
 805         float origin[3], angles[3], delta[3], lerp, d;
 806         entity_t *t;
 807         model_t *model;
 808         //entity_persistent_t *p = &e->persistent;
 809         //entity_render_t *r = &e->render;
 810         // skip inactive entities and world
 811         if (!e->state_current.active || e == cl.entities)
 812                 return;
 813         if (recursionlimit < 1)
 814                 return;
 815         e->render.alpha = e->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 816         e->render.scale = e->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 817         e->render.flags = e->state_current.flags;
 818         e->render.effects = e->state_current.effects;
 819         VectorScale(e->state_current.colormod, (1.0f / 32.0f), e->render.colormod);
 820         if (e->state_current.flags & RENDER_COLORMAPPED)
 821         {
 822                 int cb;
 823                 unsigned char *cbcolor;
 824                 e->render.colormap = e->state_current.colormap;
 825                 cb = (e->render.colormap & 0xF) << 4;cb += (cb >= 128 && cb < 224) ? 4 : 12;
 826                 cbcolor = (unsigned char *) (&palette_complete[cb]);
 827                 e->render.colormap_pantscolor[0] = cbcolor[0] * (1.0f / 255.0f);
 828                 e->render.colormap_pantscolor[1] = cbcolor[1] * (1.0f / 255.0f);
 829                 e->render.colormap_pantscolor[2] = cbcolor[2] * (1.0f / 255.0f);
 830                 cb = (e->render.colormap & 0xF0);cb += (cb >= 128 && cb < 224) ? 4 : 12;
 831                 cbcolor = (unsigned char *) (&palette_complete[cb]);
 832                 e->render.colormap_shirtcolor[0] = cbcolor[0] * (1.0f / 255.0f);
 833                 e->render.colormap_shirtcolor[1] = cbcolor[1] * (1.0f / 255.0f);
 834                 e->render.colormap_shirtcolor[2] = cbcolor[2] * (1.0f / 255.0f);
 835         }
 836         else if (e->state_current.colormap && cl.scores != NULL)
 837         {
 838                 int cb;
 839                 unsigned char *cbcolor;
 840                 e->render.colormap = cl.scores[e->state_current.colormap - 1].colors; // color it
 841                 cb = (e->render.colormap & 0xF) << 4;cb += (cb >= 128 && cb < 224) ? 4 : 12;
 842                 cbcolor = (unsigned char *) (&palette_complete[cb]);
 843                 e->render.colormap_pantscolor[0] = cbcolor[0] * (1.0f / 255.0f);
 844                 e->render.colormap_pantscolor[1] = cbcolor[1] * (1.0f / 255.0f);
 845                 e->render.colormap_pantscolor[2] = cbcolor[2] * (1.0f / 255.0f);
 846                 cb = (e->render.colormap & 0xF0);cb += (cb >= 128 && cb < 224) ? 4 : 12;
 847                 cbcolor = (unsigned char *) (&palette_complete[cb]);
 848                 e->render.colormap_shirtcolor[0] = cbcolor[0] * (1.0f / 255.0f);
 849                 e->render.colormap_shirtcolor[1] = cbcolor[1] * (1.0f / 255.0f);
 850                 e->render.colormap_shirtcolor[2] = cbcolor[2] * (1.0f / 255.0f);
 851         }
 852         else
 853         {
 854                 e->render.colormap = -1; // no special coloring
 855                 VectorClear(e->render.colormap_pantscolor);
 856                 VectorClear(e->render.colormap_shirtcolor);
 857         }
 858         e->render.skinnum = e->state_current.skin;
 859         if (e->state_current.tagentity)
 860         {
 861                 // attached entity (gun held in player model's hand, etc)
 862                 // if the tag entity is currently impossible, skip it
 863                 if (e->state_current.tagentity >= cl.num_entities)
 864                         return;
 865                 t = cl.entities + e->state_current.tagentity;
 866                 // if the tag entity is inactive, skip it
 867                 if (!t->state_current.active)
 868                         return;
 869                 // update the parent first
 870                 CL_UpdateNetworkEntity(t, recursionlimit - 1, interpolate);
 871                 // make relative to the entity
 872                 matrix = &t->render.matrix;
 873                 // some properties of the tag entity carry over
 874                 e->render.flags |= t->render.flags & (RENDER_EXTERIORMODEL | RENDER_VIEWMODEL);
 875                 // if a valid tagindex is used, make it relative to that tag instead
 876                 // FIXME: use a model function to get tag info (need to handle skeletal)
 877                 if (e->state_current.tagentity && e->state_current.tagindex >= 1 && (model = t->render.model))
 878                 {
 879                         // blend the matrices
 880                         memset(&blendmatrix, 0, sizeof(blendmatrix));
 881                         for (j = 0;j < 4 && t->render.frameblend[j].lerp > 0;j++)
 882                         {
 883                                 matrix4x4_t tagmatrix;
 884                                 Mod_Alias_GetTagMatrix(model, t->render.frameblend[j].frame, e->state_current.tagindex - 1, &tagmatrix);
 885                                 d = t->render.frameblend[j].lerp;
 886                                 for (l = 0;l < 4;l++)
 887                                         for (k = 0;k < 4;k++)
 888                                                 blendmatrix.m[l][k] += d * tagmatrix.m[l][k];
 889                         }
 890                         // concat the tag matrices onto the entity matrix
 891                         Matrix4x4_Concat(&tempmatrix, &t->render.matrix, &blendmatrix);
 892                         // use the constructed tag matrix
 893                         matrix = &tempmatrix;
 894                 }
 895         }
 896         else if (e->render.flags & RENDER_VIEWMODEL)
 897         {
 898                 // view-relative entity (guns and such)
 899                 matrix = &viewmodelmatrix;
 900         }
 901         else
 902         {
 903                 // world-relative entity (the normal kind)
 904                 matrix = &identitymatrix;
 905         }
 906
 907         // movement lerp
 908         // if it's the predicted player entity, update according to client movement
 909         // but don't lerp if going through a teleporter as it causes a bad lerp
 910         // also don't use the predicted location if fixangle was set on both of
 911         // the most recent server messages, as that cause means you are spectating
 912         // someone or watching a cutscene of some sort
 913         if (cl_nolerp.integer || cls.timedemo)
 914                 interpolate = false;
 915         if (e == cl.entities + cl.playerentity && cl.movement_predicted && (!cl.fixangle[1] || !cl.fixangle[0]))
 916         {
 917                 lerp = (cl.time - cl.movement_time[2]) / (cl.movement_time[0] - cl.movement_time[1]);
 918                 lerp = bound(0, lerp, 1);
 919                 if (!interpolate)
 920                         lerp = 1;
 921                 VectorLerp(cl.movement_oldorigin, lerp, cl.movement_origin, origin);
 922                 VectorSet(angles, 0, cl.viewangles[1], 0);
 923         }
 924         else if (interpolate && e->persistent.lerpdeltatime > 0 && (lerp = (cl.time - e->persistent.lerpstarttime) / e->persistent.lerpdeltatime) < 1)
 925         {
 926                 // interpolate the origin and angles
 927                 lerp = max(0, lerp);
 928                 VectorLerp(e->persistent.oldorigin, lerp, e->persistent.neworigin, origin);
 929                 VectorSubtract(e->persistent.newangles, e->persistent.oldangles, delta);
 930                 if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
 931                 if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
 932                 if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
 933                 VectorMA(e->persistent.oldangles, lerp, delta, angles);
 934         }
 935         else
 936         {
 937                 // no interpolation
 938                 VectorCopy(e->persistent.neworigin, origin);
 939                 VectorCopy(e->persistent.newangles, angles);
 940         }
 941
 942         // model setup and some modelflags
 943         if(e->state_current.modelindex < MAX_MODELS)
 944                 e->render.model = cl.model_precache[e->state_current.modelindex];
 945         if (e->render.model)
 946         {
 947                 // if model is alias or this is a tenebrae-like dlight, reverse pitch direction
 948                 if (e->render.model->type == mod_alias)
 949                         angles[0] = -angles[0];
 950                 if ((e->render.model->flags & EF_ROTATE) && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
 951                 {
 952                         angles[1] = ANGLEMOD(100*cl.time);
 953                         if (cl_itembobheight.value)
 954                                 origin[2] += (cos(cl.time * cl_itembobspeed.value * (2.0 * M_PI)) + 1.0) * 0.5 * cl_itembobheight.value;
 955                 }
 956                 // transfer certain model flags to effects
 957                 e->render.effects |= e->render.model->flags2 & (EF_FULLBRIGHT | EF_ADDITIVE);
 958                 if ((e->render.effects & EF_SELECTABLE) && cl.cmd.cursor_entitynumber == e->state_current.number)
 959                         VectorScale(e->render.colormod, 2, e->render.colormod);
 960         }
 961         // if model is alias or this is a tenebrae-like dlight, reverse pitch direction
 962         else if (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC)
 963                 angles[0] = -angles[0];
 964
 965         // animation lerp
 966         if (e->render.frame2 == e->state_current.frame)
 967         {
 968                 // update frame lerp fraction
 969                 e->render.framelerp = 1;
 970                 if (e->render.frame2time > e->render.frame1time)
 971                 {
 972                         // make sure frame lerp won't last longer than 100ms
 973                         // (this mainly helps with models that use framegroups and
 974                         // switch between them infrequently)
 975                         e->render.framelerp = (cl.time - e->render.frame2time) / min(e->render.frame2time - e->render.frame1time, 0.1);
 976                         e->render.framelerp = bound(0, e->render.framelerp, 1);
 977                 }
 978         }
 979         else
 980         {
 981                 // begin a new frame lerp
 982                 e->render.frame1 = e->render.frame2;
 983                 e->render.frame1time = e->render.frame2time;
 984                 e->render.frame = e->render.frame2 = e->state_current.frame;
 985                 e->render.frame2time = cl.time;
 986                 e->render.framelerp = 0;
 987         }
 988
 989         // set up the render matrix
 990         if (matrix)
 991         {
 992                 // attached entity, this requires a matrix multiply (concat)
 993                 // FIXME: e->render.scale should go away
 994                 Matrix4x4_CreateFromQuakeEntity(&matrix2, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
 995                 // concat the matrices to make the entity relative to its tag
 996                 Matrix4x4_Concat(&e->render.matrix, matrix, &matrix2);
 997                 // get the origin from the new matrix
 998                 Matrix4x4_OriginFromMatrix(&e->render.matrix, origin);
 999         }
1000         else
1001         {
1002                 // unattached entities are faster to process
1003                 Matrix4x4_CreateFromQuakeEntity(&e->render.matrix, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
1004         }
1005
1006         // make the other useful stuff
1007         CL_UpdateRenderEntity(&e->render);
1008
1009         // tenebrae's sprites are all additive mode (weird)
1010         if (gamemode == GAME_TENEBRAE && e->render.model && e->render.model->type == mod_sprite)
1011                 e->render.effects |= EF_ADDITIVE;
1012         // player model is only shown with chase_active on
1013         if (e->state_current.number == cl.viewentity)
1014                 e->render.flags |= RENDER_EXTERIORMODEL;
1015         // either fullbright or lit
1016         if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
1017                 e->render.flags |= RENDER_LIGHT;
1018         // hide player shadow during intermission or nehahra movie
1019         if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
1020          && (e->render.alpha >= 1)
1021          && !(e->render.flags & RENDER_VIEWMODEL)
1022          && (!(e->render.flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
1023                 e->render.flags |= RENDER_SHADOW;
1024         if (e->render.flags & RENDER_VIEWMODEL)
1025                 e->render.flags |= RENDER_NOSELFSHADOW;
1026 }
1027
1028 // creates light and trails from an entity
1029 void CL_UpdateNetworkEntityTrail(entity_t *e)
1030 {
1031         effectnameindex_t trailtype;
1032         vec3_t origin;
1033
1034         // bmodels are treated specially since their origin is usually '0 0 0' and
1035         // their actual geometry is far from '0 0 0'
1036         if (e->render.model && e->render.model->soundfromcenter)
1037         {
1038                 vec3_t o;
1039                 VectorMAM(0.5f, e->render.model->normalmins, 0.5f, e->render.model->normalmaxs, o);
1040                 Matrix4x4_Transform(&e->render.matrix, o, origin);
1041         }
1042         else
1043                 Matrix4x4_OriginFromMatrix(&e->render.matrix, origin);
1044
1045         // handle particle trails and such effects now that we know where this
1046         // entity is in the world...
1047         trailtype = EFFECT_NONE;
1048         // LordHavoc: if the entity has no effects, don't check each
1049         if (e->render.effects & (EF_BRIGHTFIELD | EF_FLAME | EF_STARDUST | EF_FLAG1QW | EF_FLAG2QW))
1050         {
1051                 if (e->render.effects & EF_BRIGHTFIELD)
1052                 {
1053                         if (gamemode == GAME_NEXUIZ)
1054                                 trailtype = EFFECT_TR_NEXUIZPLASMA;
1055                         else
1056                                 CL_EntityParticles(e);
1057                 }
1058                 if (e->render.effects & EF_FLAME)
1059                         CL_ParticleTrail(EFFECT_EF_FLAME, bound(0, cl.time - cl.oldtime, 0.1), origin, origin, vec3_origin, vec3_origin, NULL, 0, false, true);
1060                 if (e->render.effects & EF_STARDUST)
1061                         CL_ParticleTrail(EFFECT_EF_STARDUST, bound(0, cl.time - cl.oldtime, 0.1), origin, origin, vec3_origin, vec3_origin, NULL, 0, false, true);
1062                 if (e->render.effects & (EF_FLAG1QW | EF_FLAG2QW))
1063                 {
1064                         // these are only set on player entities
1065                         CL_AddQWCTFFlagModel(e, (e->render.effects & EF_FLAG2QW) != 0);
1066                 }
1067         }
1068         // muzzleflash fades over time
1069         if (e->persistent.muzzleflash > 0)
1070                 e->persistent.muzzleflash -= bound(0, cl.time - cl.oldtime, 0.1) * 20;
1071         // LordHavoc: if the model has no flags, don't check each
1072         if (e->render.model && e->render.model->flags && !(e->render.flags & RENDER_VIEWMODEL))
1073         {
1074                 if (e->render.model->flags & EF_GIB)
1075                         trailtype = EFFECT_TR_BLOOD;
1076                 else if (e->render.model->flags & EF_ZOMGIB)
1077                         trailtype = EFFECT_TR_SLIGHTBLOOD;
1078                 else if (e->render.model->flags & EF_TRACER)
1079                         trailtype = EFFECT_TR_WIZSPIKE;
1080                 else if (e->render.model->flags & EF_TRACER2)
1081                         trailtype = EFFECT_TR_KNIGHTSPIKE;
1082                 else if (e->render.model->flags & EF_ROCKET)
1083                         trailtype = EFFECT_TR_ROCKET;
1084                 else if (e->render.model->flags & EF_GRENADE)
1085                 {
1086                         // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
1087                         trailtype = e->render.alpha == -1 ? EFFECT_TR_NEHAHRASMOKE : EFFECT_TR_GRENADE;
1088                 }
1089                 else if (e->render.model->flags & EF_TRACER3)
1090                         trailtype = EFFECT_TR_VORESPIKE;
1091         }
1092         // do trails
1093         if (e->render.flags & RENDER_GLOWTRAIL)
1094                 trailtype = EFFECT_TR_GLOWTRAIL;
1095         if (trailtype)
1096         {
1097                 float len;
1098                 vec3_t vel;
1099                 VectorSubtract(e->state_current.origin, e->state_previous.origin, vel);
1100                 len = e->state_current.time - e->state_previous.time;
1101                 if (len > 0)
1102                         len = 1.0f / len;
1103                 VectorScale(vel, len, vel);
1104                 CL_ParticleTrail(trailtype, 1, e->persistent.trail_origin, origin, vel, vel, e, e->state_current.glowcolor, false, true);
1105         }
1106         VectorCopy(origin, e->persistent.trail_origin);
1107 }
1108
1109
1110 /*
1111 ===============
1112 CL_UpdateViewEntities
1113 ===============
1114 */
1115 void CL_UpdateViewEntities(void)
1116 {
1117         int i;
1118         // update any RENDER_VIEWMODEL entities to use the new view matrix
1119         for (i = 1;i < cl.num_entities;i++)
1120         {
1121                 if (cl.entities_active[i])
1122                 {
1123                         entity_t *ent = cl.entities + i;
1124                         if ((ent->render.flags & RENDER_VIEWMODEL) || ent->state_current.tagentity)
1125                                 CL_UpdateNetworkEntity(ent, 32, true);
1126                 }
1127         }
1128         // and of course the engine viewmodel needs updating as well
1129         CL_UpdateNetworkEntity(&cl.viewent, 32, true);
1130 }
1131
1132 /*
1133 ===============
1134 CL_UpdateNetworkCollisionEntities
1135 ===============
1136 */
1137 void CL_UpdateNetworkCollisionEntities(void)
1138 {
1139         entity_t *ent;
1140         int i;
1141
1142         // start on the entity after the world
1143         cl.num_brushmodel_entities = 0;
1144         for (i = cl.maxclients + 1;i < cl.num_entities;i++)
1145         {
1146                 if (cl.entities_active[i])
1147                 {
1148                         ent = cl.entities + i;
1149                         if (ent->state_current.active && ent->render.model && ent->render.model->name[0] == '*' && ent->render.model->TraceBox)
1150                         {
1151                                 // do not interpolate the bmodels for this
1152                                 CL_UpdateNetworkEntity(ent, 32, false);
1153                                 cl.brushmodel_entities[cl.num_brushmodel_entities++] = i;
1154                         }
1155                 }
1156         }
1157 }
1158
1159 /*
1160 ===============
1161 CL_UpdateNetworkEntities
1162 ===============
1163 */
1164 void CL_UpdateNetworkEntities(void)
1165 {
1166         entity_t *ent;
1167         int i;
1168
1169         // start on the entity after the world
1170         for (i = 1;i < cl.num_entities;i++)
1171         {
1172                 if (cl.entities_active[i])
1173                 {
1174                         ent = cl.entities + i;
1175                         if (ent->state_current.active)
1176                         {
1177                                 CL_UpdateNetworkEntity(ent, 32, true);
1178                                 // view models should never create light/trails
1179                                 if (!(ent->render.flags & RENDER_VIEWMODEL))
1180                                         CL_UpdateNetworkEntityTrail(ent);
1181                         }
1182                         else
1183                                 cl.entities_active[i] = false;
1184                 }
1185         }
1186 }
1187
1188 void CL_UpdateViewModel(void)
1189 {
1190         entity_t *ent;
1191         ent = &cl.viewent;
1192         ent->state_previous = ent->state_current;
1193         ent->state_current = defaultstate;
1194         ent->state_current.time = cl.time;
1195         ent->state_current.number = -1;
1196         ent->state_current.active = true;
1197         ent->state_current.modelindex = cl.stats[STAT_WEAPON];
1198         ent->state_current.frame = cl.stats[STAT_WEAPONFRAME];
1199         ent->state_current.flags = RENDER_VIEWMODEL;
1200         if ((cl.stats[STAT_HEALTH] <= 0 && cl_deathnoviewmodel.integer) || cl.intermission)
1201                 ent->state_current.modelindex = 0;
1202         else if (cl.stats[STAT_ITEMS] & IT_INVISIBILITY)
1203         {
1204                 if (gamemode == GAME_TRANSFUSION)
1205                         ent->state_current.alpha = 128;
1206                 else
1207                         ent->state_current.modelindex = 0;
1208         }
1209         ent->state_current.alpha = cl.entities[cl.viewentity].state_current.alpha;
1210         ent->state_current.effects = EF_NOSHADOW | (cl.entities[cl.viewentity].state_current.effects & (EF_ADDITIVE | EF_REFLECTIVE | EF_FULLBRIGHT | EF_NODEPTHTEST));
1211
1212         // reset animation interpolation on weaponmodel if model changed
1213         if (ent->state_previous.modelindex != ent->state_current.modelindex)
1214         {
1215                 ent->render.frame = ent->render.frame1 = ent->render.frame2 = ent->state_current.frame;
1216                 ent->render.frame1time = ent->render.frame2time = cl.time;
1217                 ent->render.framelerp = 1;
1218         }
1219         CL_UpdateNetworkEntity(ent, 32, true);
1220 }
1221
1222 // note this is a recursive function, but it can never get in a runaway loop (because of the delayedlink flags)
1223 void CL_LinkNetworkEntity(entity_t *e)
1224 {
1225         effectnameindex_t trailtype;
1226         vec3_t origin;
1227         vec3_t dlightcolor;
1228         vec_t dlightradius;
1229
1230         // skip inactive entities and world
1231         if (!e->state_current.active || e == cl.entities)
1232                 return;
1233         if (e->render.flags & RENDER_VIEWMODEL && !e->state_current.tagentity)
1234         {
1235                 if (!r_drawviewmodel.integer || chase_active.integer || r_refdef.envmap)
1236                         return;
1237         }
1238         else
1239         {
1240                 // if the tag entity is currently impossible, skip it
1241                 if (e->state_current.tagentity >= cl.num_entities)
1242                         return;
1243                 // if the tag entity is inactive, skip it
1244                 if (!cl.entities[e->state_current.tagentity].state_current.active)
1245                         return;
1246         }
1247
1248         // create entity dlights associated with this entity
1249         if (e->render.model && e->render.model->soundfromcenter)
1250         {
1251                 // bmodels are treated specially since their origin is usually '0 0 0'
1252                 vec3_t o;
1253                 VectorMAM(0.5f, e->render.model->normalmins, 0.5f, e->render.model->normalmaxs, o);
1254                 Matrix4x4_Transform(&e->render.matrix, o, origin);
1255         }
1256         else
1257                 Matrix4x4_OriginFromMatrix(&e->render.matrix, origin);
1258         trailtype = EFFECT_NONE;
1259         dlightradius = 0;
1260         dlightcolor[0] = 0;
1261         dlightcolor[1] = 0;
1262         dlightcolor[2] = 0;
1263         // LordHavoc: if the entity has no effects, don't check each
1264         if (e->render.effects & (EF_BRIGHTFIELD | EF_DIMLIGHT | EF_BRIGHTLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1265         {
1266                 if (e->render.effects & EF_BRIGHTFIELD)
1267                 {
1268                         if (gamemode == GAME_NEXUIZ)
1269                                 trailtype = EFFECT_TR_NEXUIZPLASMA;
1270                 }
1271                 if (e->render.effects & EF_DIMLIGHT)
1272                 {
1273                         dlightradius = max(dlightradius, 200);
1274                         dlightcolor[0] += 1.50f;
1275                         dlightcolor[1] += 1.50f;
1276                         dlightcolor[2] += 1.50f;
1277                 }
1278                 if (e->render.effects & EF_BRIGHTLIGHT)
1279                 {
1280                         dlightradius = max(dlightradius, 400);
1281                         dlightcolor[0] += 3.00f;
1282                         dlightcolor[1] += 3.00f;
1283                         dlightcolor[2] += 3.00f;
1284                 }
1285                 // LordHavoc: more effects
1286                 if (e->render.effects & EF_RED) // red
1287                 {
1288                         dlightradius = max(dlightradius, 200);
1289                         dlightcolor[0] += 1.50f;
1290                         dlightcolor[1] += 0.15f;
1291                         dlightcolor[2] += 0.15f;
1292                 }
1293                 if (e->render.effects & EF_BLUE) // blue
1294                 {
1295                         dlightradius = max(dlightradius, 200);
1296                         dlightcolor[0] += 0.15f;
1297                         dlightcolor[1] += 0.15f;
1298                         dlightcolor[2] += 1.50f;
1299                 }
1300                 if (e->render.effects & EF_FLAME)
1301                         CL_ParticleTrail(EFFECT_EF_FLAME, 0, origin, origin, vec3_origin, vec3_origin, NULL, 0, true, false);
1302                 if (e->render.effects & EF_STARDUST)
1303                         CL_ParticleTrail(EFFECT_EF_STARDUST, 0, origin, origin, vec3_origin, vec3_origin, NULL, 0, true, false);
1304         }
1305         // muzzleflash fades over time, and is offset a bit
1306         if (e->persistent.muzzleflash > 0 && r_refdef.numlights < MAX_DLIGHTS)
1307         {
1308                 vec3_t v2;
1309                 vec3_t color;
1310                 trace_t trace;
1311                 matrix4x4_t tempmatrix;
1312                 Matrix4x4_Transform(&e->render.matrix, muzzleflashorigin, v2);
1313                 trace = CL_Move(origin, vec3_origin, vec3_origin, v2, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_SKY, true, false, NULL, false);
1314                 Matrix4x4_Normalize(&tempmatrix, &e->render.matrix);
1315                 Matrix4x4_SetOrigin(&tempmatrix, trace.endpos[0], trace.endpos[1], trace.endpos[2]);
1316                 Matrix4x4_Scale(&tempmatrix, 150, 1);
1317                 VectorSet(color, e->persistent.muzzleflash * 4.0f, e->persistent.muzzleflash * 4.0f, e->persistent.muzzleflash * 4.0f);
1318                 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);
1319         }
1320         // LordHavoc: if the model has no flags, don't check each
1321         if (e->render.model && e->render.model->flags && !(e->render.flags & RENDER_VIEWMODEL))
1322         {
1323                 if (e->render.model->flags & EF_GIB)
1324                         trailtype = EFFECT_TR_BLOOD;
1325                 else if (e->render.model->flags & EF_ZOMGIB)
1326                         trailtype = EFFECT_TR_SLIGHTBLOOD;
1327                 else if (e->render.model->flags & EF_TRACER)
1328                         trailtype = EFFECT_TR_WIZSPIKE;
1329                 else if (e->render.model->flags & EF_TRACER2)
1330                         trailtype = EFFECT_TR_KNIGHTSPIKE;
1331                 else if (e->render.model->flags & EF_ROCKET)
1332                         trailtype = EFFECT_TR_ROCKET;
1333                 else if (e->render.model->flags & EF_GRENADE)
1334                 {
1335                         // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
1336                         trailtype = e->render.alpha == -1 ? EFFECT_TR_NEHAHRASMOKE : EFFECT_TR_GRENADE;
1337                 }
1338                 else if (e->render.model->flags & EF_TRACER3)
1339                         trailtype = EFFECT_TR_VORESPIKE;
1340         }
1341         // LordHavoc: customizable glow
1342         if (e->state_current.glowsize)
1343         {
1344                 // * 4 for the expansion from 0-255 to 0-1023 range,
1345                 // / 255 to scale down byte colors
1346                 dlightradius = max(dlightradius, e->state_current.glowsize * 4);
1347                 VectorMA(dlightcolor, (1.0f / 255.0f), (unsigned char *)&palette_complete[e->state_current.glowcolor], dlightcolor);
1348         }
1349         // make the glow dlight
1350         if (dlightradius > 0 && (dlightcolor[0] || dlightcolor[1] || dlightcolor[2]) && !(e->render.flags & RENDER_VIEWMODEL) && r_refdef.numlights < MAX_DLIGHTS)
1351         {
1352                 matrix4x4_t dlightmatrix;
1353                 Matrix4x4_Normalize(&dlightmatrix, &e->render.matrix);
1354                 // hack to make glowing player light shine on their gun
1355                 //if (e->state_current.number == cl.viewentity/* && !chase_active.integer*/)
1356                 //      Matrix4x4_AdjustOrigin(&dlightmatrix, 0, 0, 30);
1357                 Matrix4x4_Scale(&dlightmatrix, dlightradius, 1);
1358                 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);
1359         }
1360         // custom rtlight
1361         if ((e->state_current.lightpflags & PFLAGS_FULLDYNAMIC) && r_refdef.numlights < MAX_DLIGHTS)
1362         {
1363                 matrix4x4_t dlightmatrix;
1364                 float light[4];
1365                 VectorScale(e->state_current.light, (1.0f / 256.0f), light);
1366                 light[3] = e->state_current.light[3];
1367                 if (light[0] == 0 && light[1] == 0 && light[2] == 0)
1368                         VectorSet(light, 1, 1, 1);
1369                 if (light[3] == 0)
1370                         light[3] = 350;
1371                 // FIXME: add ambient/diffuse/specular scales as an extension ontop of TENEBRAE_GFX_DLIGHTS?
1372                 Matrix4x4_Normalize(&dlightmatrix, &e->render.matrix);
1373                 Matrix4x4_Scale(&dlightmatrix, light[3], 1);
1374                 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);
1375         }
1376         // do trail light
1377         if (e->render.flags & RENDER_GLOWTRAIL)
1378                 trailtype = EFFECT_TR_GLOWTRAIL;
1379         if (trailtype)
1380                 CL_ParticleTrail(trailtype, 0, origin, origin, vec3_origin, vec3_origin, NULL, e->state_current.glowcolor, true, false);
1381
1382         // don't show entities with no modelindex (note: this still shows
1383         // entities which have a modelindex that resolved to a NULL model)
1384         if (e->render.model && !(e->render.effects & EF_NODRAW) && r_refdef.numentities < r_refdef.maxentities)
1385                 r_refdef.entities[r_refdef.numentities++] = &e->render;
1386         //if (cl.viewentity && e->state_current.number == cl.viewentity)
1387         //      Matrix4x4_Print(&e->render.matrix);
1388 }
1389
1390 void CL_RelinkWorld(void)
1391 {
1392         entity_t *ent = &cl.entities[0];
1393         // FIXME: this should be done at load
1394         ent->render.matrix = identitymatrix;
1395         CL_UpdateRenderEntity(&ent->render);
1396         ent->render.flags = RENDER_SHADOW;
1397         if (!r_fullbright.integer)
1398                 ent->render.flags |= RENDER_LIGHT;
1399         VectorSet(ent->render.colormod, 1, 1, 1);
1400         r_refdef.worldentity = &ent->render;
1401         r_refdef.worldmodel = cl.worldmodel;
1402 }
1403
1404 static void CL_RelinkStaticEntities(void)
1405 {
1406         int i;
1407         entity_t *e;
1408         for (i = 0, e = cl.static_entities;i < cl.num_static_entities && r_refdef.numentities < r_refdef.maxentities;i++, e++)
1409         {
1410                 e->render.flags = 0;
1411                 // if the model was not loaded when the static entity was created we
1412                 // need to re-fetch the model pointer
1413                 e->render.model = cl.model_precache[e->state_baseline.modelindex];
1414                 CL_UpdateRenderEntity(&e->render);
1415                 // either fullbright or lit
1416                 if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
1417                         e->render.flags |= RENDER_LIGHT;
1418                 // hide player shadow during intermission or nehahra movie
1419                 if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST)) && (e->render.alpha >= 1))
1420                         e->render.flags |= RENDER_SHADOW;
1421                 VectorSet(e->render.colormod, 1, 1, 1);
1422                 R_LerpAnimation(&e->render);
1423                 r_refdef.entities[r_refdef.numentities++] = &e->render;
1424         }
1425 }
1426
1427 /*
1428 ===============
1429 CL_RelinkEntities
1430 ===============
1431 */
1432 static void CL_RelinkNetworkEntities(void)
1433 {
1434         entity_t *ent;
1435         int i;
1436
1437         // start on the entity after the world
1438         for (i = 1;i < cl.num_entities;i++)
1439         {
1440                 if (cl.entities_active[i])
1441                 {
1442                         ent = cl.entities + i;
1443                         if (ent->state_current.active)
1444                                 CL_LinkNetworkEntity(ent);
1445                         else
1446                                 cl.entities_active[i] = false;
1447                 }
1448         }
1449 }
1450
1451 static void CL_RelinkEffects(void)
1452 {
1453         int i, intframe;
1454         cl_effect_t *e;
1455         entity_t *ent;
1456         float frame;
1457
1458         for (i = 0, e = cl.effects;i < cl.num_effects;i++, e++)
1459         {
1460                 if (e->active)
1461                 {
1462                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
1463                         intframe = (int)frame;
1464                         if (intframe < 0 || intframe >= e->endframe)
1465                         {
1466                                 memset(e, 0, sizeof(*e));
1467                                 while (cl.num_effects > 0 && !cl.effects[cl.num_effects - 1].active)
1468                                         cl.num_effects--;
1469                                 continue;
1470                         }
1471
1472                         if (intframe != e->frame)
1473                         {
1474                                 e->frame = intframe;
1475                                 e->frame1time = e->frame2time;
1476                                 e->frame2time = cl.time;
1477                         }
1478
1479                         // if we're drawing effects, get a new temp entity
1480                         // (NewTempEntity adds it to the render entities list for us)
1481                         if (r_draweffects.integer && (ent = CL_NewTempEntity()))
1482                         {
1483                                 // interpolation stuff
1484                                 ent->render.frame1 = intframe;
1485                                 ent->render.frame2 = intframe + 1;
1486                                 if (ent->render.frame2 >= e->endframe)
1487                                         ent->render.frame2 = -1; // disappear
1488                                 ent->render.framelerp = frame - intframe;
1489                                 ent->render.frame1time = e->frame1time;
1490                                 ent->render.frame2time = e->frame2time;
1491
1492                                 // normal stuff
1493                                 if(e->modelindex < MAX_MODELS)
1494                                         ent->render.model = cl.model_precache[e->modelindex];
1495                                 else
1496                                         ent->render.model = cl.csqc_model_precache[-(e->modelindex+1)];
1497                                 ent->render.frame = ent->render.frame2;
1498                                 ent->render.colormap = -1; // no special coloring
1499                                 ent->render.alpha = 1;
1500                                 VectorSet(ent->render.colormod, 1, 1, 1);
1501
1502                                 Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, e->origin[0], e->origin[1], e->origin[2], 0, 0, 0, 1);
1503                                 CL_UpdateRenderEntity(&ent->render);
1504                         }
1505                 }
1506         }
1507 }
1508
1509 void CL_Beam_CalculatePositions(const beam_t *b, vec3_t start, vec3_t end)
1510 {
1511         VectorCopy(b->start, start);
1512         VectorCopy(b->end, end);
1513
1514         // if coming from the player, update the start position
1515         if (b->entity == cl.viewentity)
1516         {
1517                 if (cl_beams_quakepositionhack.integer && !chase_active.integer)
1518                 {
1519                         // LordHavoc: this is a stupid hack from Quake that makes your
1520                         // lightning appear to come from your waist and cover less of your
1521                         // view
1522                         // in Quake this hack was applied to all players (causing the
1523                         // infamous crotch-lightning), but in darkplaces and QuakeWorld it
1524                         // only applies to your own lightning, and only in first person
1525                         Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, start);
1526                 }
1527                 if (cl_beams_instantaimhack.integer)
1528                 {
1529                         vec3_t dir, localend;
1530                         vec_t len;
1531                         // LordHavoc: this updates the beam direction to match your
1532                         // viewangles
1533                         VectorSubtract(end, start, dir);
1534                         len = VectorLength(dir);
1535                         VectorNormalize(dir);
1536                         VectorSet(localend, len, 0, 0);
1537                         Matrix4x4_Transform(&r_view.matrix, localend, end);
1538                 }
1539         }
1540 }
1541
1542 void CL_RelinkBeams(void)
1543 {
1544         int i;
1545         beam_t *b;
1546         vec3_t dist, org, start, end;
1547         float d;
1548         entity_t *ent;
1549         float yaw, pitch;
1550         float forward;
1551         matrix4x4_t tempmatrix;
1552
1553         for (i = 0, b = cl.beams;i < cl.num_beams;i++, b++)
1554         {
1555                 if (!b->model)
1556                         continue;
1557                 if (b->endtime < cl.time)
1558                 {
1559                         b->model = NULL;
1560                         continue;
1561                 }
1562
1563                 CL_Beam_CalculatePositions(b, start, end);
1564
1565                 if (b->lightning)
1566                 {
1567                         if (cl_beams_lightatend.integer && r_refdef.numlights < MAX_DLIGHTS)
1568                         {
1569                                 // FIXME: create a matrix from the beam start/end orientation
1570                                 vec3_t dlightcolor;
1571                                 VectorSet(dlightcolor, 0.3, 0.7, 1);
1572                                 Matrix4x4_CreateFromQuakeEntity(&tempmatrix, end[0], end[1], end[2], 0, 0, 0, 200);
1573                                 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);
1574                         }
1575                         if (cl_beams_polygons.integer)
1576                                 continue;
1577                 }
1578
1579                 // calculate pitch and yaw
1580                 // (this is similar to the QuakeC builtin function vectoangles)
1581                 VectorSubtract(end, start, dist);
1582                 if (dist[1] == 0 && dist[0] == 0)
1583                 {
1584                         yaw = 0;
1585                         if (dist[2] > 0)
1586                                 pitch = 90;
1587                         else
1588                                 pitch = 270;
1589                 }
1590                 else
1591                 {
1592                         yaw = (int) (atan2(dist[1], dist[0]) * 180 / M_PI);
1593                         if (yaw < 0)
1594                                 yaw += 360;
1595
1596                         forward = sqrt (dist[0]*dist[0] + dist[1]*dist[1]);
1597                         pitch = (int) (atan2(dist[2], forward) * 180 / M_PI);
1598                         if (pitch < 0)
1599                                 pitch += 360;
1600                 }
1601
1602                 // add new entities for the lightning
1603                 VectorCopy (start, org);
1604                 d = VectorNormalizeLength(dist);
1605                 while (d > 0)
1606                 {
1607                         ent = CL_NewTempEntity ();
1608                         if (!ent)
1609                                 return;
1610                         //VectorCopy (org, ent->render.origin);
1611                         ent->render.model = b->model;
1612                         //ent->render.effects = EF_FULLBRIGHT;
1613                         //ent->render.angles[0] = pitch;
1614                         //ent->render.angles[1] = yaw;
1615                         //ent->render.angles[2] = rand()%360;
1616                         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, org[0], org[1], org[2], -pitch, yaw, lhrandom(0, 360), 1);
1617                         CL_UpdateRenderEntity(&ent->render);
1618                         VectorMA(org, 30, dist, org);
1619                         d -= 30;
1620                 }
1621         }
1622
1623         while (cl.num_beams > 0 && !cl.beams[cl.num_beams - 1].model)
1624                 cl.num_beams--;
1625 }
1626
1627 static void CL_RelinkQWNails(void)
1628 {
1629         int i;
1630         vec_t *v;
1631         entity_t *ent;
1632
1633         for (i = 0;i < cl.qw_num_nails;i++)
1634         {
1635                 v = cl.qw_nails[i];
1636
1637                 // if we're drawing effects, get a new temp entity
1638                 // (NewTempEntity adds it to the render entities list for us)
1639                 if (!(ent = CL_NewTempEntity()))
1640                         continue;
1641
1642                 // normal stuff
1643                 ent->render.model = cl.model_precache[cl.qw_modelindex_spike];
1644                 ent->render.colormap = -1; // no special coloring
1645                 ent->render.alpha = 1;
1646                 VectorSet(ent->render.colormod, 1, 1, 1);
1647
1648                 Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, v[0], v[1], v[2], v[3], v[4], v[5], 1);
1649                 CL_UpdateRenderEntity(&ent->render);
1650         }
1651 }
1652
1653 void CL_LerpPlayer(float frac)
1654 {
1655         int i;
1656
1657         cl.viewzoom = cl.mviewzoom[1] + frac * (cl.mviewzoom[0] - cl.mviewzoom[1]);
1658         for (i = 0;i < 3;i++)
1659         {
1660                 cl.punchangle[i] = cl.mpunchangle[1][i] + frac * (cl.mpunchangle[0][i] - cl.mpunchangle[1][i]);
1661                 cl.punchvector[i] = cl.mpunchvector[1][i] + frac * (cl.mpunchvector[0][i] - cl.mpunchvector[1][i]);
1662                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
1663         }
1664
1665         // interpolate the angles if playing a demo or spectating someone
1666         if (cls.demoplayback || cl.fixangle[0])
1667         {
1668                 for (i = 0;i < 3;i++)
1669                 {
1670                         float d = cl.mviewangles[0][i] - cl.mviewangles[1][i];
1671                         if (d > 180)
1672                                 d -= 360;
1673                         else if (d < -180)
1674                                 d += 360;
1675                         cl.viewangles[i] = cl.mviewangles[1][i] + frac * d;
1676                 }
1677         }
1678 }
1679
1680 void CSQC_RelinkAllEntities (int drawmask)
1681 {
1682         // link stuff
1683         CL_RelinkWorld();
1684         CL_RelinkStaticEntities();
1685         CL_RelinkBeams();
1686         CL_RelinkEffects();
1687
1688         // link stuff
1689         if (drawmask & ENTMASK_ENGINE)
1690         {
1691                 CL_RelinkNetworkEntities();
1692                 if (drawmask & ENTMASK_ENGINEVIEWMODELS)
1693                         CL_LinkNetworkEntity(&cl.viewent); // link gun model
1694                 CL_RelinkQWNails();
1695         }
1696
1697         // update view blend
1698         V_CalcViewBlend();
1699 }
1700
1701 /*
1702 ===============
1703 CL_UpdateWorld
1704
1705 Update client game world for a new frame
1706 ===============
1707 */
1708 void CL_UpdateWorld(void)
1709 {
1710         r_refdef.extraupdate = !r_speeds.integer;
1711         r_refdef.numentities = 0;
1712         r_refdef.numlights = 0;
1713         r_view.matrix = identitymatrix;
1714
1715         cl.num_brushmodel_entities = 0;
1716
1717         if (cls.state == ca_connected && cls.signon == SIGNONS)
1718         {
1719                 // prepare for a new frame
1720                 CL_LerpPlayer(CL_LerpPoint());
1721                 CL_DecayLightFlashes();
1722                 CL_ClearTempEntities();
1723                 V_DriftPitch();
1724                 V_FadeViewFlashs();
1725
1726                 // if prediction is enabled we have to update all the collidable
1727                 // network entities before the prediction code can be run
1728                 CL_UpdateNetworkCollisionEntities();
1729
1730                 // now update the player prediction
1731                 CL_ClientMovement_Replay();
1732
1733                 // update the player entity (which may be predicted)
1734                 CL_UpdateNetworkEntity(cl.entities + cl.viewentity, 32, true);
1735
1736                 // now update the view (which depends on that player entity)
1737                 V_CalcRefdef();
1738
1739                 // now update all the network entities and create particle trails
1740                 // (some entities may depend on the view)
1741                 CL_UpdateNetworkEntities();
1742
1743                 // update the engine-based viewmodel
1744                 CL_UpdateViewModel();
1745
1746                 CL_RelinkLightFlashes();
1747                 CSQC_RelinkAllEntities(ENTMASK_ENGINE | ENTMASK_ENGINEVIEWMODELS);
1748
1749                 // move particles
1750                 CL_MoveParticles();
1751                 R_MoveExplosions();
1752         }
1753
1754         r_refdef.time = cl.time;
1755 }
1756
1757 // LordHavoc: pausedemo command
1758 static void CL_PauseDemo_f (void)
1759 {
1760         cls.demopaused = !cls.demopaused;
1761         if (cls.demopaused)
1762                 Con_Print("Demo paused\n");
1763         else
1764                 Con_Print("Demo unpaused\n");
1765 }
1766
1767 /*
1768 ======================
1769 CL_Fog_f
1770 ======================
1771 */
1772 static void CL_Fog_f (void)
1773 {
1774         if (Cmd_Argc () == 1)
1775         {
1776                 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);
1777                 return;
1778         }
1779         r_refdef.fog_density = atof(Cmd_Argv(1));
1780         r_refdef.fog_red = atof(Cmd_Argv(2));
1781         r_refdef.fog_green = atof(Cmd_Argv(3));
1782         r_refdef.fog_blue = atof(Cmd_Argv(4));
1783 }
1784
1785 /*
1786 ====================
1787 CL_TimeRefresh_f
1788
1789 For program optimization
1790 ====================
1791 */
1792 static void CL_TimeRefresh_f (void)
1793 {
1794         int i;
1795         float timestart, timedelta;
1796
1797         r_refdef.extraupdate = false;
1798
1799         timestart = Sys_DoubleTime();
1800         for (i = 0;i < 128;i++)
1801         {
1802                 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);
1803                 CL_UpdateScreen();
1804         }
1805         timedelta = Sys_DoubleTime() - timestart;
1806
1807         Con_Printf("%f seconds (%f fps)\n", timedelta, 128/timedelta);
1808 }
1809
1810 void CL_AreaStats_f(void)
1811 {
1812         World_PrintAreaStats(&cl.world, "client");
1813 }
1814
1815 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point)
1816 {
1817         int i;
1818         cl_locnode_t *loc;
1819         cl_locnode_t *best;
1820         vec3_t nearestpoint;
1821         vec_t dist, bestdist;
1822         best = NULL;
1823         bestdist = 0;
1824         for (loc = cl.locnodes;loc;loc = loc->next)
1825         {
1826                 for (i = 0;i < 3;i++)
1827                         nearestpoint[i] = bound(loc->mins[i], point[i], loc->maxs[i]);
1828                 dist = VectorDistance2(nearestpoint, point);
1829                 if (bestdist > dist || !best)
1830                 {
1831                         bestdist = dist;
1832                         best = loc;
1833                         if (bestdist < 1)
1834                                 break;
1835                 }
1836         }
1837         return best;
1838 }
1839
1840 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point)
1841 {
1842         cl_locnode_t *loc;
1843         loc = CL_Locs_FindNearest(point);
1844         if (loc)
1845                 strlcpy(buffer, loc->name, buffersize);
1846         else
1847                 dpsnprintf(buffer, buffersize, "LOC=%.0f:%.0f:%.0f", point[0], point[1], point[2]);
1848 }
1849
1850 void CL_Locs_FreeNode(cl_locnode_t *node)
1851 {
1852         cl_locnode_t **pointer, **next;
1853         for (pointer = &cl.locnodes;*pointer;pointer = next)
1854         {
1855                 next = &(*pointer)->next;
1856                 if (*pointer == node)
1857                 {
1858                         *pointer = node->next;
1859                         Mem_Free(node);
1860                 }
1861         }
1862         Con_Printf("CL_Locs_FreeNode: no such node! (%p)\n", node);
1863 }
1864
1865 void CL_Locs_AddNode(vec3_t mins, vec3_t maxs, const char *name)
1866 {
1867         cl_locnode_t *node, **pointer;
1868         int namelen;
1869         if (!name)
1870                 name = "";
1871         namelen = strlen(name);
1872         node = Mem_Alloc(cls.levelmempool, sizeof(cl_locnode_t) + namelen + 1);
1873         VectorSet(node->mins, min(mins[0], maxs[0]), min(mins[1], maxs[1]), min(mins[2], maxs[2]));
1874         VectorSet(node->maxs, max(mins[0], maxs[0]), max(mins[1], maxs[1]), max(mins[2], maxs[2]));
1875         node->name = (char *)(node + 1);
1876         memcpy(node->name, name, namelen);
1877         node->name[namelen] = 0;
1878         // link it into the tail of the list to preserve the order
1879         for (pointer = &cl.locnodes;*pointer;pointer = &(*pointer)->next)
1880                 ;
1881         *pointer = node;
1882 }
1883
1884 void CL_Locs_Add_f(void)
1885 {
1886         vec3_t mins, maxs;
1887         if (Cmd_Argc() != 5 && Cmd_Argc() != 8)
1888         {
1889                 Con_Printf("usage: %s x y z[ x y z] name\n", Cmd_Argv(0));
1890                 return;
1891         }
1892         mins[0] = atof(Cmd_Argv(1));
1893         mins[1] = atof(Cmd_Argv(2));
1894         mins[2] = atof(Cmd_Argv(3));
1895         if (Cmd_Argc() == 8)
1896         {
1897                 maxs[0] = atof(Cmd_Argv(4));
1898                 maxs[1] = atof(Cmd_Argv(5));
1899                 maxs[2] = atof(Cmd_Argv(6));
1900                 CL_Locs_AddNode(mins, maxs, Cmd_Argv(7));
1901         }
1902         else
1903                 CL_Locs_AddNode(mins, mins, Cmd_Argv(4));
1904 }
1905
1906 void CL_Locs_RemoveNearest_f(void)
1907 {
1908         cl_locnode_t *loc;
1909         loc = CL_Locs_FindNearest(r_view.origin);
1910         if (loc)
1911                 CL_Locs_FreeNode(loc);
1912         else
1913                 Con_Printf("no loc point or box found for your location\n");
1914 }
1915
1916 void CL_Locs_Clear_f(void)
1917 {
1918         while (cl.locnodes)
1919                 CL_Locs_FreeNode(cl.locnodes);
1920 }
1921
1922 void CL_Locs_Save_f(void)
1923 {
1924         cl_locnode_t *loc;
1925         qfile_t *outfile;
1926         char locfilename[MAX_QPATH];
1927         if (!cl.locnodes)
1928         {
1929                 Con_Printf("No loc points/boxes exist!\n");
1930                 return;
1931         }
1932         if (cls.state != ca_connected || !cl.worldmodel)
1933         {
1934                 Con_Printf("No level loaded!\n");
1935                 return;
1936         }
1937         FS_StripExtension(cl.worldmodel->name, locfilename, sizeof(locfilename));
1938         strlcat(locfilename, ".loc", sizeof(locfilename));
1939
1940         outfile = FS_Open(locfilename, "w", false, false);
1941         if (!outfile)
1942                 return;
1943         // if any boxes are used then this is a proquake-format loc file, which
1944         // allows comments, so add some relevant information at the start
1945         for (loc = cl.locnodes;loc;loc = loc->next)
1946                 if (!VectorCompare(loc->mins, loc->maxs))
1947                         break;
1948         if (loc)
1949         {
1950                 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);
1951                 for (loc = cl.locnodes;loc;loc = loc->next)
1952                         if (VectorCompare(loc->mins, loc->maxs))
1953                                 break;
1954                 if (loc)
1955                         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");
1956         }
1957         for (loc = cl.locnodes;loc;loc = loc->next)
1958         {
1959                 if (VectorCompare(loc->mins, loc->maxs))
1960                 {
1961                         int len;
1962                         const char *s;
1963                         const char *in = loc->name;
1964                         char name[MAX_INPUTLINE];
1965                         for (len = 0;len < (int)sizeof(name) - 1 && *in;)
1966                         {
1967                                 if (*in == ' ') {s = "$loc_name_separator";in++;}
1968                                 else if (!strncmp(in, "SSG", 3)) {s = "$loc_name_ssg";in += 3;}
1969                                 else if (!strncmp(in, "NG", 2)) {s = "$loc_name_ng";in += 2;}
1970                                 else if (!strncmp(in, "SNG", 3)) {s = "$loc_name_sng";in += 3;}
1971                                 else if (!strncmp(in, "GL", 2)) {s = "$loc_name_gl";in += 2;}
1972                                 else if (!strncmp(in, "RL", 2)) {s = "$loc_name_rl";in += 2;}
1973                                 else if (!strncmp(in, "LG", 2)) {s = "$loc_name_lg";in += 2;}
1974                                 else if (!strncmp(in, "GA", 2)) {s = "$loc_name_ga";in += 2;}
1975                                 else if (!strncmp(in, "YA", 2)) {s = "$loc_name_ya";in += 2;}
1976                                 else if (!strncmp(in, "RA", 2)) {s = "$loc_name_ra";in += 2;}
1977                                 else if (!strncmp(in, "MEGA", 4)) {s = "$loc_name_mh";in += 4;}
1978                                 else s = NULL;
1979                                 if (s)
1980                                 {
1981                                         while (len < (int)sizeof(name) - 1 && *s)
1982                                                 name[len++] = *s++;
1983                                         continue;
1984                                 }
1985                                 name[len++] = *in++;
1986                         }
1987                         name[len] = 0;
1988                         FS_Printf(outfile, "%.0f %.0f %.0f %s\n", loc->mins[0]*8, loc->mins[1]*8, loc->mins[2]*8, name);
1989                 }
1990                 else
1991                         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);
1992         }
1993         FS_Close(outfile);
1994 }
1995
1996 void CL_Locs_Reload_f(void)
1997 {
1998         int i, linenumber, limit, len;
1999         const char *s;
2000         char *filedata, *text, *textend, *linestart, *linetext, *lineend;
2001         fs_offset_t filesize;
2002         vec3_t mins, maxs;
2003         char locfilename[MAX_QPATH];
2004         char name[MAX_INPUTLINE];
2005
2006         if (cls.state != ca_connected || !cl.worldmodel)
2007         {
2008                 Con_Printf("No level loaded!\n");
2009                 return;
2010         }
2011
2012         CL_Locs_Clear_f();
2013
2014         // try maps/something.loc first (LordHavoc: where I think they should be)
2015         FS_StripExtension(cl.worldmodel->name, locfilename, sizeof(locfilename));
2016         strlcat(locfilename, ".loc", sizeof(locfilename));
2017         filedata = (char *)FS_LoadFile(locfilename, cls.levelmempool, false, &filesize);
2018         if (!filedata)
2019         {
2020                 // try proquake name as well (LordHavoc: I hate path mangling)
2021                 FS_StripExtension(va("locs/%s", FS_FileWithoutPath(cl.worldmodel->name)), locfilename, sizeof(locfilename));
2022                 strlcat(locfilename, ".loc", sizeof(locfilename));
2023                 filedata = (char *)FS_LoadFile(locfilename, cls.levelmempool, false, &filesize);
2024                 if (!filedata)
2025                         return;
2026         }
2027         text = filedata;
2028         textend = filedata + filesize;
2029         for (linenumber = 1;text < textend;linenumber++)
2030         {
2031                 linestart = text;
2032                 for (;text < textend && *text != '\r' && *text != '\n';text++)
2033                         ;
2034                 lineend = text;
2035                 if (text + 1 < textend && *text == '\r' && text[1] == '\n')
2036                         text++;
2037                 if (text < textend)
2038                         text++;
2039                 // trim trailing whitespace
2040                 while (lineend > linestart && lineend[-1] <= ' ')
2041                         lineend--;
2042                 // trim leading whitespace
2043                 while (linestart < lineend && *linestart <= ' ')
2044                         linestart++;
2045                 // check if this is a comment
2046                 if (linestart + 2 <= lineend && !strncmp(linestart, "//", 2))
2047                         continue;
2048                 linetext = linestart;
2049                 limit = 3;
2050                 for (i = 0;i < limit;i++)
2051                 {
2052                         if (linetext >= lineend)
2053                                 break;
2054                         // note: a missing number is interpreted as 0
2055                         if (i < 3)
2056                                 mins[i] = atof(linetext);
2057                         else
2058                                 maxs[i - 3] = atof(linetext);
2059                         // now advance past the number
2060                         while (linetext < lineend && *linetext > ' ' && *linetext != ',')
2061                                 linetext++;
2062                         // advance through whitespace
2063                         if (linetext < lineend)
2064                         {
2065                                 if (*linetext == ',')
2066                                 {
2067                                         linetext++;
2068                                         limit = 6;
2069                                         // note: comma can be followed by whitespace
2070                                 }
2071                                 if (*linetext <= ' ')
2072                                 {
2073                                         // skip whitespace
2074                                         while (linetext < lineend && *linetext <= ' ')
2075                                                 linetext++;
2076                                 }
2077                         }
2078                 }
2079                 // if this is a quoted name, remove the quotes
2080                 if (i == 6)
2081                 {
2082                         if (linetext >= lineend || *linetext != '"')
2083                                 continue; // proquake location names are always quoted
2084                         lineend--;
2085                         linetext++;
2086                         len = min(lineend - linetext, (int)sizeof(name) - 1);
2087                         memcpy(name, linetext, len);
2088                         name[len] = 0;
2089                         // add the box to the list
2090                         CL_Locs_AddNode(mins, maxs, name);
2091                 }
2092                 // if a point was parsed, it needs to be scaled down by 8 (since
2093                 // point-based loc files were invented by a proxy which dealt
2094                 // directly with quake protocol coordinates, which are *8), turn
2095                 // it into a box
2096                 else if (i == 3)
2097                 {
2098                         // interpret silly fuhquake macros
2099                         for (len = 0;len < (int)sizeof(name) - 1 && linetext < lineend;)
2100                         {
2101                                 if (*linetext == '$')
2102                                 {
2103                                         if (linetext + 18 <= lineend && !strncmp(linetext, "$loc_name_separator", 19)) {s = " ";linetext += 19;}
2104                                         else if (linetext + 13 <= lineend && !strncmp(linetext, "$loc_name_ssg", 13)) {s = "SSG";linetext += 13;}
2105                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_ng", 12)) {s = "NG";linetext += 12;}
2106                                         else if (linetext + 13 <= lineend && !strncmp(linetext, "$loc_name_sng", 13)) {s = "SNG";linetext += 13;}
2107                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_gl", 12)) {s = "GL";linetext += 12;}
2108                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_rl", 12)) {s = "RL";linetext += 12;}
2109                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_lg", 12)) {s = "LG";linetext += 12;}
2110                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_ga", 12)) {s = "GA";linetext += 12;}
2111                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_ya", 12)) {s = "YA";linetext += 12;}
2112                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_ra", 12)) {s = "RA";linetext += 12;}
2113                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_mh", 12)) {s = "MEGA";linetext += 12;}
2114                                         else s = NULL;
2115                                         if (s)
2116                                         {
2117                                                 while (len < (int)sizeof(name) - 1 && *s)
2118                                                         name[len++] = *s++;
2119                                                 continue;
2120                                         }
2121                                 }
2122                                 name[len++] = *linetext++;
2123                         }
2124                         name[len] = 0;
2125                         // add the point to the list
2126                         VectorScale(mins, (1.0 / 8.0), mins);
2127                         CL_Locs_AddNode(mins, mins, name);
2128                 }
2129                 else
2130                         continue;
2131         }
2132 }
2133
2134 /*
2135 ===========
2136 CL_Shutdown
2137 ===========
2138 */
2139 void CL_Shutdown (void)
2140 {
2141         CL_Particles_Shutdown();
2142         CL_Parse_Shutdown();
2143
2144         Mem_FreePool (&cls.permanentmempool);
2145         Mem_FreePool (&cls.levelmempool);
2146 }
2147
2148 /*
2149 =================
2150 CL_Init
2151 =================
2152 */
2153 void CL_Init (void)
2154 {
2155         cls.levelmempool = Mem_AllocPool("client (per-level memory)", 0, NULL);
2156         cls.permanentmempool = Mem_AllocPool("client (long term memory)", 0, NULL);
2157
2158         memset(&r_refdef, 0, sizeof(r_refdef));
2159         // max entities sent to renderer per frame
2160         r_refdef.maxentities = MAX_EDICTS + 256 + 512;
2161         r_refdef.entities = (entity_render_t **)Mem_Alloc(cls.permanentmempool, sizeof(entity_render_t *) * r_refdef.maxentities);
2162
2163         CL_InitInput ();
2164
2165 //
2166 // register our commands
2167 //
2168         Cvar_RegisterVariable (&cl_upspeed);
2169         Cvar_RegisterVariable (&cl_forwardspeed);
2170         Cvar_RegisterVariable (&cl_backspeed);
2171         Cvar_RegisterVariable (&cl_sidespeed);
2172         Cvar_RegisterVariable (&cl_movespeedkey);
2173         Cvar_RegisterVariable (&cl_yawspeed);
2174         Cvar_RegisterVariable (&cl_pitchspeed);
2175         Cvar_RegisterVariable (&cl_anglespeedkey);
2176         Cvar_RegisterVariable (&cl_shownet);
2177         Cvar_RegisterVariable (&cl_nolerp);
2178         Cvar_RegisterVariable (&lookspring);
2179         Cvar_RegisterVariable (&lookstrafe);
2180         Cvar_RegisterVariable (&sensitivity);
2181         Cvar_RegisterVariable (&freelook);
2182
2183         Cvar_RegisterVariable (&m_pitch);
2184         Cvar_RegisterVariable (&m_yaw);
2185         Cvar_RegisterVariable (&m_forward);
2186         Cvar_RegisterVariable (&m_side);
2187
2188         Cvar_RegisterVariable (&cl_itembobspeed);
2189         Cvar_RegisterVariable (&cl_itembobheight);
2190
2191         Cmd_AddCommand ("entities", CL_PrintEntities_f, "print information on network entities known to client");
2192         Cmd_AddCommand ("disconnect", CL_Disconnect_f, "disconnect from server (or disconnect all clients if running a server)");
2193         Cmd_AddCommand ("record", CL_Record_f, "record a demo");
2194         Cmd_AddCommand ("stop", CL_Stop_f, "stop recording or playing a demo");
2195         Cmd_AddCommand ("playdemo", CL_PlayDemo_f, "watch a demo file");
2196         Cmd_AddCommand ("timedemo", CL_TimeDemo_f, "play back a demo as fast as possible and save statistics to benchmark.log");
2197
2198         // Support Client-side Model Index List
2199         Cmd_AddCommand ("cl_modelindexlist", CL_ModelIndexList_f, "list all models in the client modelindex");
2200
2201         Cvar_RegisterVariable (&cl_autodemo);
2202         Cvar_RegisterVariable (&cl_autodemo_nameformat);
2203
2204         Cmd_AddCommand ("fog", CL_Fog_f, "set global fog parameters (density red green blue)");
2205
2206         // LordHavoc: added pausedemo
2207         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)");
2208
2209         Cmd_AddCommand ("cl_areastats", CL_AreaStats_f, "prints statistics on entity culling during collision traces");
2210
2211         Cvar_RegisterVariable(&r_draweffects);
2212         Cvar_RegisterVariable(&cl_explosions_alpha_start);
2213         Cvar_RegisterVariable(&cl_explosions_alpha_end);
2214         Cvar_RegisterVariable(&cl_explosions_size_start);
2215         Cvar_RegisterVariable(&cl_explosions_size_end);
2216         Cvar_RegisterVariable(&cl_explosions_lifetime);
2217         Cvar_RegisterVariable(&cl_stainmaps);
2218         Cvar_RegisterVariable(&cl_stainmaps_clearonload);
2219         Cvar_RegisterVariable(&cl_beams_polygons);
2220         Cvar_RegisterVariable(&cl_beams_quakepositionhack);
2221         Cvar_RegisterVariable(&cl_beams_instantaimhack);
2222         Cvar_RegisterVariable(&cl_beams_lightatend);
2223         Cvar_RegisterVariable(&cl_noplayershadow);
2224         Cvar_RegisterVariable(&cl_dlights_decayradius);
2225         Cvar_RegisterVariable(&cl_dlights_decaybrightness);
2226
2227         Cvar_RegisterVariable(&cl_prydoncursor);
2228
2229         Cvar_RegisterVariable(&cl_deathnoviewmodel);
2230
2231         // for QW connections
2232         Cvar_RegisterVariable(&qport);
2233         Cvar_SetValueQuick(&qport, (rand() * RAND_MAX + rand()) & 0xffff);
2234
2235         Cmd_AddCommand("timerefresh", CL_TimeRefresh_f, "turn quickly and print rendering statistcs");
2236
2237         Cvar_RegisterVariable(&cl_locs_enable);
2238         Cvar_RegisterVariable(&cl_locs_show);
2239         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)");
2240         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)");
2241         Cmd_AddCommand("locs_clear", CL_Locs_Clear_f, "remove all loc points/boxes");
2242         Cmd_AddCommand("locs_reload", CL_Locs_Reload_f, "reload .loc file for this map");
2243         Cmd_AddCommand("locs_save", CL_Locs_Save_f, "save .loc file for this map containing currently defined points and boxes");
2244
2245         CL_Parse_Init();
2246         CL_Particles_Init();
2247         CL_Screen_Init();
2248
2249         CL_Video_Init();
2250 }
2251
2252
2253