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_gecko.h"
  25 #include "cl_video.h"
  26 #include "image.h"
  27 #include "csprogs.h"
  28 #include "r_shadow.h"
  29 #include "libcurl.h"
  30 #include "snd_main.h"
  31
  32 // we need to declare some mouse variables here, because the menu system
  33 // references them even when on a unix system.
  34
  35 cvar_t csqc_progname = {0, "csqc_progname","csprogs.dat","name of csprogs.dat file to load"};
  36 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"};
  37 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"};
  38
  39 cvar_t cl_shownet = {0, "cl_shownet","0","1 = print packet size, 2 = print packet message list"};
  40 cvar_t cl_nolerp = {0, "cl_nolerp", "0","network update smoothing"};
  41 cvar_t cl_lerpexcess = {0, "cl_lerpexcess", "0","maximum allowed lerp excess (hides, not fixes, some packet loss)"};
  42 cvar_t cl_lerpanim_maxdelta_server = {0, "cl_lerpanim_maxdelta_server", "0.1","maximum frame delta for smoothing between server-controlled animation frames (when 0, one network frame)"};
  43 cvar_t cl_lerpanim_maxdelta_framegroups = {0, "cl_lerpanim_maxdelta_framegroups", "0.1","maximum frame delta for smoothing between framegroups (when 0, one network frame)"};
  44
  45 cvar_t cl_itembobheight = {0, "cl_itembobheight", "0","how much items bob up and down (try 8)"};
  46 cvar_t cl_itembobspeed = {0, "cl_itembobspeed", "0.5","how frequently items bob up and down"};
  47
  48 cvar_t lookspring = {CVAR_SAVE, "lookspring","0","returns pitch to level with the floor when no longer holding a pitch key"};
  49 cvar_t lookstrafe = {CVAR_SAVE, "lookstrafe","0","move instead of turning"};
  50 cvar_t sensitivity = {CVAR_SAVE, "sensitivity","3","mouse speed multiplier"};
  51
  52 cvar_t m_pitch = {CVAR_SAVE, "m_pitch","0.022","mouse pitch speed multiplier"};
  53 cvar_t m_yaw = {CVAR_SAVE, "m_yaw","0.022","mouse yaw speed multiplier"};
  54 cvar_t m_forward = {CVAR_SAVE, "m_forward","1","mouse forward speed multiplier"};
  55 cvar_t m_side = {CVAR_SAVE, "m_side","0.8","mouse side speed multiplier"};
  56
  57 cvar_t freelook = {CVAR_SAVE, "freelook", "1","mouse controls pitch instead of forward/back"};
  58
  59 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" };
  60 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 (the date is encoded using strftime escapes)" };
  61 cvar_t cl_autodemo_delete = {0, "cl_autodemo_delete", "0", "Delete demos after recording.  This is a bitmask, bit 1 gives the default, bit 0 the value for the current demo.  Thus, the values are: 0 = disabled; 1 = delete current demo only; 2 = delete all demos except the current demo; 3 = delete all demos from now on" };
  62
  63 cvar_t r_draweffects = {0, "r_draweffects", "1","renders temporary sprite effects"};
  64
  65 cvar_t cl_explosions_alpha_start = {CVAR_SAVE, "cl_explosions_alpha_start", "1.5","starting alpha of an explosion shell"};
  66 cvar_t cl_explosions_alpha_end = {CVAR_SAVE, "cl_explosions_alpha_end", "0","end alpha of an explosion shell (just before it disappears)"};
  67 cvar_t cl_explosions_size_start = {CVAR_SAVE, "cl_explosions_size_start", "16","starting size of an explosion shell"};
  68 cvar_t cl_explosions_size_end = {CVAR_SAVE, "cl_explosions_size_end", "128","ending alpha of an explosion shell (just before it disappears)"};
  69 cvar_t cl_explosions_lifetime = {CVAR_SAVE, "cl_explosions_lifetime", "0.5","how long an explosion shell lasts"};
  70
  71 cvar_t cl_stainmaps = {CVAR_SAVE, "cl_stainmaps", "0","stains lightmaps, much faster than decals but blurred"};
  72 cvar_t cl_stainmaps_clearonload = {CVAR_SAVE, "cl_stainmaps_clearonload", "1","clear stainmaps on map restart"};
  73
  74 cvar_t cl_beams_polygons = {CVAR_SAVE, "cl_beams_polygons", "1","use beam polygons instead of models"};
  75 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)"};
  76 cvar_t cl_beams_instantaimhack = {CVAR_SAVE, "cl_beams_instantaimhack", "0", "makes your lightning gun aiming update instantly"};
  77 cvar_t cl_beams_lightatend = {CVAR_SAVE, "cl_beams_lightatend", "0", "make a light at the end of the beam"};
  78
  79 cvar_t cl_deathfade = {CVAR_SAVE, "cl_deathfade", "0", "fade screen to dark red when dead, value represents how fast the fade is (higher is faster)"};
  80
  81 cvar_t cl_noplayershadow = {CVAR_SAVE, "cl_noplayershadow", "0","hide player shadow"};
  82
  83 cvar_t cl_dlights_decayradius = {CVAR_SAVE, "cl_dlights_decayradius", "1", "reduces size of light flashes over time"};
  84 cvar_t cl_dlights_decaybrightness = {CVAR_SAVE, "cl_dlights_decaybrightness", "1", "reduces brightness of light flashes over time"};
  85
  86 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)"};
  87
  88 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"};
  89 cvar_t cl_prydoncursor_notrace = {0, "cl_prydoncursor_notrace", "0", "disables traceline used in prydon cursor reporting to the game, saving some cpu time"};
  90
  91 cvar_t cl_deathnoviewmodel = {0, "cl_deathnoviewmodel", "1", "hides gun model when dead"};
  92
  93 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)"};
  94 cvar_t cl_locs_show = {0, "locs_show", "0", "shows defined locations for editing purposes"};
  95
  96 extern cvar_t r_equalize_entities_fullbright;
  97
  98 client_static_t cls;
  99 client_state_t  cl;
 100
 101 /*
 102 =====================
 103 CL_ClearState
 104
 105 =====================
 106 */
 107 void CL_VM_ShutDown (void);
 108 void CL_ClearState(void)
 109 {
 110         int i;
 111         entity_t *ent;
 112
 113         CL_VM_ShutDown();
 114
 115 // wipe the entire cl structure
 116         Mem_EmptyPool(cls.levelmempool);
 117         memset (&cl, 0, sizeof(cl));
 118
 119         S_StopAllSounds();
 120
 121         // reset the view zoom interpolation
 122         cl.mviewzoom[0] = cl.mviewzoom[1] = 1;
 123         cl.sensitivityscale = 1.0f;
 124
 125         // enable rendering of the world and such
 126         cl.csqc_vidvars.drawworld = r_drawworld.integer != 0;
 127         cl.csqc_vidvars.drawenginesbar = true;
 128         cl.csqc_vidvars.drawcrosshair = true;
 129
 130         // set up the float version of the stats array for easier access to float stats
 131         cl.statsf = (float *)cl.stats;
 132
 133         cl.num_entities = 0;
 134         cl.num_static_entities = 0;
 135         cl.num_brushmodel_entities = 0;
 136
 137         // tweak these if the game runs out
 138         cl.max_csqcrenderentities = 0;
 139         cl.max_entities = MAX_ENITIES_INITIAL;
 140         cl.max_static_entities = MAX_STATICENTITIES;
 141         cl.max_effects = MAX_EFFECTS;
 142         cl.max_beams = MAX_BEAMS;
 143         cl.max_dlights = MAX_DLIGHTS;
 144         cl.max_lightstyle = MAX_LIGHTSTYLES;
 145         cl.max_brushmodel_entities = MAX_EDICTS;
 146         cl.max_particles = MAX_PARTICLES_INITIAL; // grows dynamically
 147         cl.max_decals = MAX_DECALS_INITIAL; // grows dynamically
 148         cl.max_showlmps = 0;
 149
 150         cl.num_dlights = 0;
 151         cl.num_effects = 0;
 152         cl.num_beams = 0;
 153
 154         cl.csqcrenderentities = NULL;
 155         cl.entities = (entity_t *)Mem_Alloc(cls.levelmempool, cl.max_entities * sizeof(entity_t));
 156         cl.entities_active = (unsigned char *)Mem_Alloc(cls.levelmempool, cl.max_brushmodel_entities * sizeof(unsigned char));
 157         cl.static_entities = (entity_t *)Mem_Alloc(cls.levelmempool, cl.max_static_entities * sizeof(entity_t));
 158         cl.effects = (cl_effect_t *)Mem_Alloc(cls.levelmempool, cl.max_effects * sizeof(cl_effect_t));
 159         cl.beams = (beam_t *)Mem_Alloc(cls.levelmempool, cl.max_beams * sizeof(beam_t));
 160         cl.dlights = (dlight_t *)Mem_Alloc(cls.levelmempool, cl.max_dlights * sizeof(dlight_t));
 161         cl.lightstyle = (lightstyle_t *)Mem_Alloc(cls.levelmempool, cl.max_lightstyle * sizeof(lightstyle_t));
 162         cl.brushmodel_entities = (int *)Mem_Alloc(cls.levelmempool, cl.max_brushmodel_entities * sizeof(int));
 163         cl.particles = (particle_t *) Mem_Alloc(cls.levelmempool, cl.max_particles * sizeof(particle_t));
 164         cl.decals = (decal_t *) Mem_Alloc(cls.levelmempool, cl.max_decals * sizeof(decal_t));
 165         cl.showlmps = NULL;
 166
 167         // LordHavoc: have to set up the baseline info for alpha and other stuff
 168         for (i = 0;i < cl.max_entities;i++)
 169         {
 170                 cl.entities[i].state_baseline = defaultstate;
 171                 cl.entities[i].state_previous = defaultstate;
 172                 cl.entities[i].state_current = defaultstate;
 173         }
 174
 175         if (gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
 176         {
 177                 VectorSet(cl.playerstandmins, -16, -16, -24);
 178                 VectorSet(cl.playerstandmaxs, 16, 16, 45);
 179                 VectorSet(cl.playercrouchmins, -16, -16, -24);
 180                 VectorSet(cl.playercrouchmaxs, 16, 16, 25);
 181         }
 182         else
 183         {
 184                 VectorSet(cl.playerstandmins, -16, -16, -24);
 185                 VectorSet(cl.playerstandmaxs, 16, 16, 24);
 186                 VectorSet(cl.playercrouchmins, -16, -16, -24);
 187                 VectorSet(cl.playercrouchmaxs, 16, 16, 24);
 188         }
 189
 190         // disable until we get textures for it
 191         R_ResetSkyBox();
 192
 193         ent = &cl.entities[0];
 194         // entire entity array was cleared, so just fill in a few fields
 195         ent->state_current.active = true;
 196         ent->render.model = cl.worldmodel = NULL; // no world model yet
 197         ent->render.alpha = 1;
 198         ent->render.flags = RENDER_SHADOW | RENDER_LIGHT;
 199         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, 0, 0, 0, 0, 0, 0, 1);
 200         ent->render.allowdecals = true;
 201         CL_UpdateRenderEntity(&ent->render);
 202
 203         // noclip is turned off at start
 204         noclip_anglehack = false;
 205
 206         // mark all frames invalid for delta
 207         memset(cl.qw_deltasequence, -1, sizeof(cl.qw_deltasequence));
 208
 209         // set bestweapon data back to Quake data
 210         IN_BestWeapon_ResetData();
 211
 212         CL_Screen_NewMap();
 213 }
 214
 215 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet)
 216 {
 217         int i;
 218         qboolean fail = false;
 219         if (!allowstarkey && key[0] == '*')
 220                 fail = true;
 221         if (!allowmodel && (!strcasecmp(key, "pmodel") || !strcasecmp(key, "emodel")))
 222                 fail = true;
 223         for (i = 0;key[i];i++)
 224                 if (ISWHITESPACE(key[i]) || key[i] == '\"')
 225                         fail = true;
 226         for (i = 0;value[i];i++)
 227                 if (value[i] == '\r' || value[i] == '\n' || value[i] == '\"')
 228                         fail = true;
 229         if (fail)
 230         {
 231                 if (!quiet)
 232                         Con_Printf("Can't setinfo \"%s\" \"%s\"\n", key, value);
 233                 return;
 234         }
 235         InfoString_SetValue(cls.userinfo, sizeof(cls.userinfo), key, value);
 236         if (cls.state == ca_connected && cls.netcon)
 237         {
 238                 if (cls.protocol == PROTOCOL_QUAKEWORLD)
 239                 {
 240                         MSG_WriteByte(&cls.netcon->message, qw_clc_stringcmd);
 241                         MSG_WriteString(&cls.netcon->message, va("setinfo \"%s\" \"%s\"", key, value));
 242                 }
 243                 else if (!strcasecmp(key, "name"))
 244                 {
 245                         MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
 246                         MSG_WriteString(&cls.netcon->message, va("name \"%s\"", value));
 247                 }
 248                 else if (!strcasecmp(key, "playermodel"))
 249                 {
 250                         MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
 251                         MSG_WriteString(&cls.netcon->message, va("playermodel \"%s\"", value));
 252                 }
 253                 else if (!strcasecmp(key, "playerskin"))
 254                 {
 255                         MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
 256                         MSG_WriteString(&cls.netcon->message, va("playerskin \"%s\"", value));
 257                 }
 258                 else if (!strcasecmp(key, "topcolor"))
 259                 {
 260                         // don't send anything, the combined color code will be updated manually
 261                 }
 262                 else if (!strcasecmp(key, "bottomcolor"))
 263                 {
 264                         // don't send anything, the combined color code will be updated manually
 265                 }
 266                 else if (!strcasecmp(key, "rate"))
 267                 {
 268                         MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
 269                         MSG_WriteString(&cls.netcon->message, va("rate \"%s\"", value));
 270                 }
 271         }
 272 }
 273
 274 void CL_ExpandEntities(int num)
 275 {
 276         int i, oldmaxentities;
 277         entity_t *oldentities;
 278         if (num >= cl.max_entities)
 279         {
 280                 if (!cl.entities)
 281                         Sys_Error("CL_ExpandEntities: cl.entities not initialized");
 282                 if (num >= MAX_EDICTS)
 283                         Host_Error("CL_ExpandEntities: num %i >= %i", num, MAX_EDICTS);
 284                 oldmaxentities = cl.max_entities;
 285                 oldentities = cl.entities;
 286                 cl.max_entities = (num & ~255) + 256;
 287                 cl.entities = (entity_t *)Mem_Alloc(cls.levelmempool, cl.max_entities * sizeof(entity_t));
 288                 memcpy(cl.entities, oldentities, oldmaxentities * sizeof(entity_t));
 289                 Mem_Free(oldentities);
 290                 for (i = oldmaxentities;i < cl.max_entities;i++)
 291                 {
 292                         cl.entities[i].state_baseline = defaultstate;
 293                         cl.entities[i].state_previous = defaultstate;
 294                         cl.entities[i].state_current = defaultstate;
 295                 }
 296         }
 297 }
 298
 299 void CL_ExpandCSQCRenderEntities(int num)
 300 {
 301         int i;
 302         int oldmaxcsqcrenderentities;
 303         entity_render_t *oldcsqcrenderentities;
 304         if (num >= cl.max_csqcrenderentities)
 305         {
 306                 if (num >= MAX_EDICTS)
 307                         Host_Error("CL_ExpandEntities: num %i >= %i", num, MAX_EDICTS);
 308                 oldmaxcsqcrenderentities = cl.max_csqcrenderentities;
 309                 oldcsqcrenderentities = cl.csqcrenderentities;
 310                 cl.max_csqcrenderentities = (num & ~255) + 256;
 311                 cl.csqcrenderentities = (entity_render_t *)Mem_Alloc(cls.levelmempool, cl.max_csqcrenderentities * sizeof(entity_render_t));
 312                 if (oldcsqcrenderentities)
 313                 {
 314                         memcpy(cl.csqcrenderentities, oldcsqcrenderentities, oldmaxcsqcrenderentities * sizeof(entity_render_t));
 315                         for (i = 0;i < r_refdef.scene.numentities;i++)
 316                                 if(r_refdef.scene.entities[i] >= oldcsqcrenderentities && r_refdef.scene.entities[i] < (oldcsqcrenderentities + oldmaxcsqcrenderentities))
 317                                         r_refdef.scene.entities[i] = cl.csqcrenderentities + (r_refdef.scene.entities[i] - oldcsqcrenderentities);
 318                         Mem_Free(oldcsqcrenderentities);
 319                 }
 320         }
 321 }
 322
 323 /*
 324 =====================
 325 CL_Disconnect
 326
 327 Sends a disconnect message to the server
 328 This is also called on Host_Error, so it shouldn't cause any errors
 329 =====================
 330 */
 331 void CL_Disconnect(void)
 332 {
 333         if (cls.state == ca_dedicated)
 334                 return;
 335
 336         if (COM_CheckParm("-profilegameonly"))
 337                 Sys_AllowProfiling(false);
 338
 339         Curl_Clear_forthismap();
 340
 341         Con_DPrintf("CL_Disconnect\n");
 342
 343     Cvar_SetValueQuick(&csqc_progcrc, -1);
 344         Cvar_SetValueQuick(&csqc_progsize, -1);
 345         CL_VM_ShutDown();
 346 // stop sounds (especially looping!)
 347         S_StopAllSounds ();
 348
 349         cl.parsingtextexpectingpingforscores = 0; // just in case no reply has come yet
 350
 351         // clear contents blends
 352         cl.cshifts[0].percent = 0;
 353         cl.cshifts[1].percent = 0;
 354         cl.cshifts[2].percent = 0;
 355         cl.cshifts[3].percent = 0;
 356
 357         cl.worldmodel = NULL;
 358
 359         CL_Parse_ErrorCleanUp();
 360
 361         if (cls.demoplayback)
 362                 CL_StopPlayback();
 363         else if (cls.netcon)
 364         {
 365                 sizebuf_t buf;
 366                 unsigned char bufdata[8];
 367                 if (cls.demorecording)
 368                         CL_Stop_f();
 369
 370                 // send disconnect message 3 times to improve chances of server
 371                 // receiving it (but it still fails sometimes)
 372                 memset(&buf, 0, sizeof(buf));
 373                 buf.data = bufdata;
 374                 buf.maxsize = sizeof(bufdata);
 375                 if (cls.protocol == PROTOCOL_QUAKEWORLD)
 376                 {
 377                         Con_DPrint("Sending drop command\n");
 378                         MSG_WriteByte(&buf, qw_clc_stringcmd);
 379                         MSG_WriteString(&buf, "drop");
 380                 }
 381                 else
 382                 {
 383                         Con_DPrint("Sending clc_disconnect\n");
 384                         MSG_WriteByte(&buf, clc_disconnect);
 385                 }
 386                 NetConn_SendUnreliableMessage(cls.netcon, &buf, cls.protocol, 10000, false);
 387                 NetConn_SendUnreliableMessage(cls.netcon, &buf, cls.protocol, 10000, false);
 388                 NetConn_SendUnreliableMessage(cls.netcon, &buf, cls.protocol, 10000, false);
 389                 NetConn_Close(cls.netcon);
 390                 cls.netcon = NULL;
 391         }
 392         cls.state = ca_disconnected;
 393
 394         cls.demoplayback = cls.timedemo = false;
 395         cls.signon = 0;
 396 }
 397
 398 void CL_Disconnect_f(void)
 399 {
 400         CL_Disconnect ();
 401         if (sv.active)
 402                 Host_ShutdownServer ();
 403 }
 404
 405
 406
 407
 408 /*
 409 =====================
 410 CL_EstablishConnection
 411
 412 Host should be either "local" or a net address
 413 =====================
 414 */
 415 void CL_EstablishConnection(const char *host, int firstarg)
 416 {
 417         if (cls.state == ca_dedicated)
 418                 return;
 419
 420         // don't connect to a server if we're benchmarking a demo
 421         if (COM_CheckParm("-benchmark"))
 422                 return;
 423
 424         // clear menu's connect error message
 425         M_Update_Return_Reason("");
 426         cls.demonum = -1;
 427
 428         // stop demo loop in case this fails
 429         if (cls.demoplayback)
 430                 CL_StopPlayback();
 431
 432         // if downloads are running, cancel their finishing action
 433         Curl_Clear_forthismap();
 434
 435         // make sure the client ports are open before attempting to connect
 436         NetConn_UpdateSockets();
 437
 438         // run a network frame
 439         //NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 440
 441         if (LHNETADDRESS_FromString(&cls.connect_address, host, 26000) && (cls.connect_mysocket = NetConn_ChooseClientSocketForAddress(&cls.connect_address)))
 442         {
 443                 cls.connect_trying = true;
 444                 cls.connect_remainingtries = 3;
 445                 cls.connect_nextsendtime = 0;
 446
 447                 // only NOW, set connect_userinfo
 448                 if(firstarg >= 0)
 449                 {
 450                         int i;
 451                         *cls.connect_userinfo = 0;
 452                         for(i = firstarg; i+2 <= Cmd_Argc(); i += 2)
 453                                 InfoString_SetValue(cls.connect_userinfo, sizeof(cls.connect_userinfo), Cmd_Argv(i), Cmd_Argv(i+1));
 454                 }
 455                 else if(firstarg < -1)
 456                 {
 457                         // -1: keep as is (reconnect)
 458                         // -2: clear
 459                         *cls.connect_userinfo = 0;
 460                 }
 461
 462                 M_Update_Return_Reason("Trying to connect...");
 463
 464                 // run several network frames to jump into the game quickly
 465                 //if (sv.active)
 466                 //{
 467                 //      NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 468                 //      NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 469                 //      NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 470                 //      NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 471                 //}
 472         }
 473         else
 474         {
 475                 Con_Print("Unable to find a suitable network socket to connect to server.\n");
 476                 M_Update_Return_Reason("No network");
 477         }
 478 }
 479
 480 /*
 481 ==============
 482 CL_PrintEntities_f
 483 ==============
 484 */
 485 static void CL_PrintEntities_f(void)
 486 {
 487         entity_t *ent;
 488         int i;
 489
 490         for (i = 0, ent = cl.entities;i < cl.num_entities;i++, ent++)
 491         {
 492                 const char* modelname;
 493
 494                 if (!ent->state_current.active)
 495                         continue;
 496
 497                 if (ent->render.model)
 498                         modelname = ent->render.model->name;
 499                 else
 500                         modelname = "--no model--";
 501                 Con_Printf("%3i: %-25s:%4i (%5i %5i %5i) [%3i %3i %3i] %4.2f %5.3f\n", i, modelname, ent->render.framegroupblend[0].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);
 502         }
 503 }
 504
 505 /*
 506 ===============
 507 CL_ModelIndexList_f
 508
 509 List information on all models in the client modelindex
 510 ===============
 511 */
 512 static void CL_ModelIndexList_f(void)
 513 {
 514         int i;
 515         dp_model_t *model;
 516
 517         // Print Header
 518         Con_Printf("%3s: %-30s %-8s %-8s\n", "ID", "Name", "Type", "Triangles");
 519
 520         for (i = -MAX_MODELS;i < MAX_MODELS;i++)
 521         {
 522                 model = CL_GetModelByIndex(i);
 523                 if(model->loaded || i == 1)
 524                         Con_Printf("%3i: %-30s %-8s %-10i\n", i, model->name, model->modeldatatypestring, model->surfmesh.num_triangles);
 525                 else
 526                         Con_Printf("%3i: %-30s %-30s\n", i, model->name, "--no local model found--");
 527                 i++;
 528         }
 529 }
 530
 531 /*
 532 ===============
 533 CL_SoundIndexList_f
 534
 535 List all sounds in the client soundindex
 536 ===============
 537 */
 538 static void CL_SoundIndexList_f(void)
 539 {
 540         int i = 1;
 541
 542         while(cl.sound_precache[i] && i != MAX_SOUNDS)
 543         { // Valid Sound
 544                 Con_Printf("%i : %s\n", i, cl.sound_precache[i]->name);
 545                 i++;
 546         }
 547 }
 548
 549 /*
 550 ===============
 551 CL_UpdateRenderEntity
 552
 553 Updates inversematrix, animation interpolation factors, scale, and mins/maxs
 554 ===============
 555 */
 556 void CL_UpdateRenderEntity(entity_render_t *ent)
 557 {
 558         vec3_t org;
 559         vec_t scale;
 560         dp_model_t *model = ent->model;
 561         // update the inverse matrix for the renderer
 562         Matrix4x4_Invert_Simple(&ent->inversematrix, &ent->matrix);
 563         // update the animation blend state
 564         VM_FrameBlendFromFrameGroupBlend(ent->frameblend, ent->framegroupblend, ent->model);
 565         // we need the matrix origin to center the box
 566         Matrix4x4_OriginFromMatrix(&ent->matrix, org);
 567         // update entity->render.scale because the renderer needs it
 568         ent->scale = scale = Matrix4x4_ScaleFromMatrix(&ent->matrix);
 569         if (model)
 570         {
 571                 // NOTE: this directly extracts vector components from the matrix, which relies on the matrix orientation!
 572 #ifdef MATRIX4x4_OPENGLORIENTATION
 573                 if (ent->matrix.m[0][2] != 0 || ent->matrix.m[1][2] != 0)
 574 #else
 575                 if (ent->matrix.m[2][0] != 0 || ent->matrix.m[2][1] != 0)
 576 #endif
 577                 {
 578                         // pitch or roll
 579                         VectorMA(org, scale, model->rotatedmins, ent->mins);
 580                         VectorMA(org, scale, model->rotatedmaxs, ent->maxs);
 581                 }
 582 #ifdef MATRIX4x4_OPENGLORIENTATION
 583                 else if (ent->matrix.m[1][0] != 0 || ent->matrix.m[0][1] != 0)
 584 #else
 585                 else if (ent->matrix.m[0][1] != 0 || ent->matrix.m[1][0] != 0)
 586 #endif
 587                 {
 588                         // yaw
 589                         VectorMA(org, scale, model->yawmins, ent->mins);
 590                         VectorMA(org, scale, model->yawmaxs, ent->maxs);
 591                 }
 592                 else
 593                 {
 594                         VectorMA(org, scale, model->normalmins, ent->mins);
 595                         VectorMA(org, scale, model->normalmaxs, ent->maxs);
 596                 }
 597         }
 598         else
 599         {
 600                 ent->mins[0] = org[0] - 16;
 601                 ent->mins[1] = org[1] - 16;
 602                 ent->mins[2] = org[2] - 16;
 603                 ent->maxs[0] = org[0] + 16;
 604                 ent->maxs[1] = org[1] + 16;
 605                 ent->maxs[2] = org[2] + 16;
 606         }
 607 }
 608
 609 /*
 610 ===============
 611 CL_LerpPoint
 612
 613 Determines the fraction between the last two messages that the objects
 614 should be put at.
 615 ===============
 616 */
 617 static float CL_LerpPoint(void)
 618 {
 619         float f;
 620
 621         if (cl_nettimesyncboundmode.integer == 1)
 622                 cl.time = bound(cl.mtime[1], cl.time, cl.mtime[0]);
 623
 624         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 625         if (cl.mtime[0] <= cl.mtime[1])
 626         {
 627                 cl.time = cl.mtime[0];
 628                 return 1;
 629         }
 630
 631         f = (cl.time - cl.mtime[1]) / (cl.mtime[0] - cl.mtime[1]);
 632         return bound(0, f, 1 + cl_lerpexcess.value);
 633 }
 634
 635 void CL_ClearTempEntities (void)
 636 {
 637         r_refdef.scene.numtempentities = 0;
 638         // grow tempentities buffer on request
 639         if (r_refdef.scene.expandtempentities)
 640         {
 641                 Con_Printf("CL_NewTempEntity: grow maxtempentities from %i to %i\n", r_refdef.scene.maxtempentities, r_refdef.scene.maxtempentities * 2);
 642                 r_refdef.scene.maxtempentities *= 2;
 643                 r_refdef.scene.tempentities = (entity_render_t *)Mem_Realloc(cls.permanentmempool, r_refdef.scene.tempentities, sizeof(entity_render_t) * r_refdef.scene.maxtempentities);
 644                 r_refdef.scene.expandtempentities = false;
 645         }
 646 }
 647
 648 entity_render_t *CL_NewTempEntity(double shadertime)
 649 {
 650         entity_render_t *render;
 651
 652         if (r_refdef.scene.numentities >= r_refdef.scene.maxentities)
 653                 return NULL;
 654         if (r_refdef.scene.numtempentities >= r_refdef.scene.maxtempentities)
 655         {
 656                 r_refdef.scene.expandtempentities = true; // will be reallocated next frame since current frame may have pointers set already
 657                 return NULL;
 658         }
 659         render = &r_refdef.scene.tempentities[r_refdef.scene.numtempentities++];
 660         memset (render, 0, sizeof(*render));
 661         r_refdef.scene.entities[r_refdef.scene.numentities++] = render;
 662
 663         render->shadertime = shadertime;
 664         render->alpha = 1;
 665         VectorSet(render->colormod, 1, 1, 1);
 666         VectorSet(render->glowmod, 1, 1, 1);
 667         return render;
 668 }
 669
 670 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
 671 {
 672         int i;
 673         cl_effect_t *e;
 674         if (!modelindex) // sanity check
 675                 return;
 676         if (framerate < 1)
 677         {
 678                 Con_Printf("CL_Effect: framerate %f is < 1\n", framerate);
 679                 return;
 680         }
 681         if (framecount < 1)
 682         {
 683                 Con_Printf("CL_Effect: framecount %i is < 1\n", framecount);
 684                 return;
 685         }
 686         for (i = 0, e = cl.effects;i < cl.max_effects;i++, e++)
 687         {
 688                 if (e->active)
 689                         continue;
 690                 e->active = true;
 691                 VectorCopy(org, e->origin);
 692                 e->modelindex = modelindex;
 693                 e->starttime = cl.time;
 694                 e->startframe = startframe;
 695                 e->endframe = startframe + framecount;
 696                 e->framerate = framerate;
 697
 698                 e->frame = 0;
 699                 e->frame1time = cl.time;
 700                 e->frame2time = cl.time;
 701                 cl.num_effects = max(cl.num_effects, i + 1);
 702                 break;
 703         }
 704 }
 705
 706 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)
 707 {
 708         int i;
 709         dlight_t *dl;
 710
 711 // then look for anything else
 712         dl = cl.dlights;
 713         for (i = 0;i < cl.max_dlights;i++, dl++)
 714                 if (!dl->radius)
 715                         break;
 716
 717         // unable to find one
 718         if (i == cl.max_dlights)
 719                 return;
 720
 721         //Con_Printf("dlight %i : %f %f %f : %f %f %f\n", i, org[0], org[1], org[2], red * radius, green * radius, blue * radius);
 722         memset (dl, 0, sizeof(*dl));
 723         cl.num_dlights = max(cl.num_dlights, i + 1);
 724         Matrix4x4_Normalize(&dl->matrix, matrix);
 725         dl->ent = ent;
 726         Matrix4x4_OriginFromMatrix(&dl->matrix, dl->origin);
 727         CL_FindNonSolidLocation(dl->origin, dl->origin, 6);
 728         Matrix4x4_SetOrigin(&dl->matrix, dl->origin[0], dl->origin[1], dl->origin[2]);
 729         dl->radius = radius;
 730         dl->color[0] = red;
 731         dl->color[1] = green;
 732         dl->color[2] = blue;
 733         dl->initialradius = radius;
 734         dl->initialcolor[0] = red;
 735         dl->initialcolor[1] = green;
 736         dl->initialcolor[2] = blue;
 737         dl->decay = decay / radius; // changed decay to be a percentage decrease
 738         dl->intensity = 1; // this is what gets decayed
 739         if (lifetime)
 740                 dl->die = cl.time + lifetime;
 741         else
 742                 dl->die = 0;
 743         if (cubemapnum > 0)
 744                 dpsnprintf(dl->cubemapname, sizeof(dl->cubemapname), "cubemaps/%i", cubemapnum);
 745         else
 746                 dl->cubemapname[0] = 0;
 747         dl->style = style;
 748         dl->shadow = shadowenable;
 749         dl->corona = corona;
 750         dl->flags = flags;
 751         dl->coronasizescale = coronasizescale;
 752         dl->ambientscale = ambientscale;
 753         dl->diffusescale = diffusescale;
 754         dl->specularscale = specularscale;
 755 }
 756
 757 void CL_DecayLightFlashes(void)
 758 {
 759         int i, oldmax;
 760         dlight_t *dl;
 761         float time;
 762
 763         time = bound(0, cl.time - cl.oldtime, 0.1);
 764         oldmax = cl.num_dlights;
 765         cl.num_dlights = 0;
 766         for (i = 0, dl = cl.dlights;i < oldmax;i++, dl++)
 767         {
 768                 if (dl->radius)
 769                 {
 770                         dl->intensity -= time * dl->decay;
 771                         if (cl.time < dl->die && dl->intensity > 0)
 772                         {
 773                                 if (cl_dlights_decayradius.integer)
 774                                         dl->radius = dl->initialradius * dl->intensity;
 775                                 else
 776                                         dl->radius = dl->initialradius;
 777                                 if (cl_dlights_decaybrightness.integer)
 778                                         VectorScale(dl->initialcolor, dl->intensity, dl->color);
 779                                 else
 780                                         VectorCopy(dl->initialcolor, dl->color);
 781                                 cl.num_dlights = i + 1;
 782                         }
 783                         else
 784                                 dl->radius = 0;
 785                 }
 786         }
 787 }
 788
 789 // called before entity relinking
 790 void CL_RelinkLightFlashes(void)
 791 {
 792         int i, j, k, l;
 793         dlight_t *dl;
 794         float frac, f;
 795         matrix4x4_t tempmatrix;
 796
 797         if (r_dynamic.integer)
 798         {
 799                 for (i = 0, dl = cl.dlights;i < cl.num_dlights && r_refdef.scene.numlights < MAX_DLIGHTS;i++, dl++)
 800                 {
 801                         if (dl->radius)
 802                         {
 803                                 tempmatrix = dl->matrix;
 804                                 Matrix4x4_Scale(&tempmatrix, dl->radius, 1);
 805                                 // we need the corona fading to be persistent
 806                                 R_RTLight_Update(&dl->rtlight, false, &tempmatrix, dl->color, dl->style, dl->cubemapname, dl->shadow, dl->corona, dl->coronasizescale, dl->ambientscale, dl->diffusescale, dl->specularscale, dl->flags);
 807                                 r_refdef.scene.lights[r_refdef.scene.numlights++] = &dl->rtlight;
 808                         }
 809                 }
 810         }
 811
 812         if (!cl.lightstyle)
 813         {
 814                 for (j = 0;j < cl.max_lightstyle;j++)
 815                 {
 816                         r_refdef.scene.rtlightstylevalue[j] = 1;
 817                         r_refdef.scene.lightstylevalue[j] = 256;
 818                 }
 819                 return;
 820         }
 821
 822 // light animations
 823 // 'm' is normal light, 'a' is no light, 'z' is double bright
 824         f = cl.time * 10;
 825         i = (int)floor(f);
 826         frac = f - i;
 827         for (j = 0;j < cl.max_lightstyle;j++)
 828         {
 829                 if (!cl.lightstyle[j].length)
 830                 {
 831                         r_refdef.scene.rtlightstylevalue[j] = 1;
 832                         r_refdef.scene.lightstylevalue[j] = 256;
 833                         continue;
 834                 }
 835                 // static lightstyle "=value"
 836                 if (cl.lightstyle[j].map[0] == '=')
 837                 {
 838                         r_refdef.scene.rtlightstylevalue[j] = atof(cl.lightstyle[j].map + 1);
 839                         if ( r_lerplightstyles.integer || ((int)f - f) < 0.01)
 840                                 r_refdef.scene.lightstylevalue[j] = r_refdef.scene.rtlightstylevalue[j];
 841                         continue;
 842                 }
 843                 k = i % cl.lightstyle[j].length;
 844                 l = (i-1) % cl.lightstyle[j].length;
 845                 k = cl.lightstyle[j].map[k] - 'a';
 846                 l = cl.lightstyle[j].map[l] - 'a';
 847                 // rtlightstylevalue is always interpolated because it has no bad
 848                 // consequences for performance
 849                 // lightstylevalue is subject to a cvar for performance reasons;
 850                 // skipping lightmap updates on most rendered frames substantially
 851                 // improves framerates (but makes light fades look bad)
 852                 r_refdef.scene.rtlightstylevalue[j] = ((k*frac)+(l*(1-frac)))*(22/256.0f);
 853                 r_refdef.scene.lightstylevalue[j] = r_lerplightstyles.integer ? (unsigned short)(((k*frac)+(l*(1-frac)))*22) : k*22;
 854         }
 855 }
 856
 857 void CL_AddQWCTFFlagModel(entity_t *player, int skin)
 858 {
 859         int frame = player->render.framegroupblend[0].frame;
 860         float f;
 861         entity_render_t *flagrender;
 862         matrix4x4_t flagmatrix;
 863
 864         // this code taken from QuakeWorld
 865         f = 14;
 866         if (frame >= 29 && frame <= 40)
 867         {
 868                 if (frame >= 29 && frame <= 34)
 869                 { //axpain
 870                         if      (frame == 29) f = f + 2;
 871                         else if (frame == 30) f = f + 8;
 872                         else if (frame == 31) f = f + 12;
 873                         else if (frame == 32) f = f + 11;
 874                         else if (frame == 33) f = f + 10;
 875                         else if (frame == 34) f = f + 4;
 876                 }
 877                 else if (frame >= 35 && frame <= 40)
 878                 { // pain
 879                         if      (frame == 35) f = f + 2;
 880                         else if (frame == 36) f = f + 10;
 881                         else if (frame == 37) f = f + 10;
 882                         else if (frame == 38) f = f + 8;
 883                         else if (frame == 39) f = f + 4;
 884                         else if (frame == 40) f = f + 2;
 885                 }
 886         }
 887         else if (frame >= 103 && frame <= 118)
 888         {
 889                 if      (frame >= 103 && frame <= 104) f = f + 6;  //nailattack
 890                 else if (frame >= 105 && frame <= 106) f = f + 6;  //light
 891                 else if (frame >= 107 && frame <= 112) f = f + 7;  //rocketattack
 892                 else if (frame >= 112 && frame <= 118) f = f + 7;  //shotattack
 893         }
 894         // end of code taken from QuakeWorld
 895
 896         flagrender = CL_NewTempEntity(player->render.shadertime);
 897         if (!flagrender)
 898                 return;
 899
 900         flagrender->model = CL_GetModelByIndex(cl.qw_modelindex_flag);
 901         flagrender->skinnum = skin;
 902         flagrender->alpha = 1;
 903         VectorSet(flagrender->colormod, 1, 1, 1);
 904         VectorSet(flagrender->glowmod, 1, 1, 1);
 905         // attach the flag to the player matrix
 906         Matrix4x4_CreateFromQuakeEntity(&flagmatrix, -f, -22, 0, 0, 0, -45, 1);
 907         Matrix4x4_Concat(&flagrender->matrix, &player->render.matrix, &flagmatrix);
 908         CL_UpdateRenderEntity(flagrender);
 909 }
 910
 911 matrix4x4_t viewmodelmatrix_withbob;
 912 matrix4x4_t viewmodelmatrix_nobob;
 913
 914 static const vec3_t muzzleflashorigin = {18, 0, 0};
 915
 916 extern void V_DriftPitch(void);
 917 extern void V_FadeViewFlashs(void);
 918 extern void V_CalcViewBlend(void);
 919 extern void V_CalcRefdef(void);
 920
 921 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap)
 922 {
 923         const unsigned char *cbcolor;
 924         if (colormap >= 0)
 925         {
 926                 cbcolor = palette_rgb_pantscolormap[colormap & 0xF];
 927                 VectorScale(cbcolor, (1.0f / 255.0f), ent->colormap_pantscolor);
 928                 cbcolor = palette_rgb_shirtcolormap[(colormap & 0xF0) >> 4];
 929                 VectorScale(cbcolor, (1.0f / 255.0f), ent->colormap_shirtcolor);
 930         }
 931         else
 932         {
 933                 VectorClear(ent->colormap_pantscolor);
 934                 VectorClear(ent->colormap_shirtcolor);
 935         }
 936 }
 937
 938 // note this is a recursive function, recursionlimit should be 32 or so on the initial call
 939 void CL_UpdateNetworkEntity(entity_t *e, int recursionlimit, qboolean interpolate)
 940 {
 941         const matrix4x4_t *matrix;
 942         matrix4x4_t blendmatrix, tempmatrix, matrix2;
 943         int frame;
 944         float origin[3], angles[3], lerp;
 945         entity_t *t;
 946         entity_render_t *r;
 947         //entity_persistent_t *p = &e->persistent;
 948         //entity_render_t *r = &e->render;
 949         // skip inactive entities and world
 950         if (!e->state_current.active || e == cl.entities)
 951                 return;
 952         if (recursionlimit < 1)
 953                 return;
 954         e->render.alpha = e->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 955         e->render.scale = e->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 956         e->render.flags = e->state_current.flags;
 957         e->render.effects = e->state_current.effects;
 958         VectorScale(e->state_current.colormod, (1.0f / 32.0f), e->render.colormod);
 959         VectorScale(e->state_current.glowmod, (1.0f / 32.0f), e->render.glowmod);
 960         if(e >= cl.entities && e < cl.entities + cl.num_entities)
 961                 e->render.entitynumber = e - cl.entities;
 962         else
 963                 e->render.entitynumber = 0;
 964         if (e->state_current.flags & RENDER_COLORMAPPED)
 965                 CL_SetEntityColormapColors(&e->render, e->state_current.colormap);
 966         else if (e->state_current.colormap > 0 && e->state_current.colormap <= cl.maxclients && cl.scores != NULL)
 967                 CL_SetEntityColormapColors(&e->render, cl.scores[e->state_current.colormap-1].colors);
 968         else
 969                 CL_SetEntityColormapColors(&e->render, -1);
 970         e->render.skinnum = e->state_current.skin;
 971         if (e->state_current.tagentity)
 972         {
 973                 // attached entity (gun held in player model's hand, etc)
 974                 // if the tag entity is currently impossible, skip it
 975                 if (e->state_current.tagentity >= cl.num_entities)
 976                         return;
 977                 t = cl.entities + e->state_current.tagentity;
 978                 // if the tag entity is inactive, skip it
 979                 if (t->state_current.active)
 980                 {
 981                         // update the parent first
 982                         CL_UpdateNetworkEntity(t, recursionlimit - 1, interpolate);
 983                         r = &t->render;
 984                 }
 985                 else
 986                 {
 987                         // it may still be a CSQC entity... trying to use its
 988                         // info from last render frame (better than nothing)
 989                         if(!cl.csqc_server2csqcentitynumber[e->state_current.tagentity])
 990                                 return;
 991                         r = cl.csqcrenderentities + cl.csqc_server2csqcentitynumber[e->state_current.tagentity];
 992                         if(!r->entitynumber)
 993                                 return; // neither CSQC nor legacy entity... can't attach
 994                 }
 995                 // make relative to the entity
 996                 matrix = &r->matrix;
 997                 // some properties of the tag entity carry over
 998                 e->render.flags |= r->flags & (RENDER_EXTERIORMODEL | RENDER_VIEWMODEL);
 999                 // if a valid tagindex is used, make it relative to that tag instead
1000                 if (e->state_current.tagentity && e->state_current.tagindex >= 1 && r->model)
1001                 {
1002                         if(!Mod_Alias_GetTagMatrix(r->model, r->frameblend, r->skeleton, e->state_current.tagindex - 1, &blendmatrix)) // i.e. no error
1003                         {
1004                                 // concat the tag matrices onto the entity matrix
1005                                 Matrix4x4_Concat(&tempmatrix, &r->matrix, &blendmatrix);
1006                                 // use the constructed tag matrix
1007                                 matrix = &tempmatrix;
1008                         }
1009                 }
1010         }
1011         else if (e->render.flags & RENDER_VIEWMODEL)
1012         {
1013                 // view-relative entity (guns and such)
1014                 if (e->render.effects & EF_NOGUNBOB)
1015                         matrix = &viewmodelmatrix_nobob; // really attached to view
1016                 else
1017                         matrix = &viewmodelmatrix_withbob; // attached to gun bob matrix
1018         }
1019         else
1020         {
1021                 // world-relative entity (the normal kind)
1022                 matrix = &identitymatrix;
1023         }
1024
1025         // movement lerp
1026         // if it's the predicted player entity, update according to client movement
1027         // but don't lerp if going through a teleporter as it causes a bad lerp
1028         // also don't use the predicted location if fixangle was set on both of
1029         // the most recent server messages, as that cause means you are spectating
1030         // someone or watching a cutscene of some sort
1031         if (cl_nolerp.integer || cls.timedemo)
1032                 interpolate = false;
1033         if (e == cl.entities + cl.playerentity && cl.movement_predicted && (!cl.fixangle[1] || !cl.fixangle[0]))
1034         {
1035                 VectorCopy(cl.movement_origin, origin);
1036                 VectorSet(angles, 0, cl.viewangles[1], 0);
1037         }
1038         else if (interpolate && e->persistent.lerpdeltatime > 0 && (lerp = (cl.time - e->persistent.lerpstarttime) / e->persistent.lerpdeltatime) < 1 + cl_lerpexcess.value)
1039         {
1040                 // interpolate the origin and angles
1041                 lerp = max(0, lerp);
1042                 VectorLerp(e->persistent.oldorigin, lerp, e->persistent.neworigin, origin);
1043 #if 0
1044                 // this fails at the singularity of euler angles
1045                 VectorSubtract(e->persistent.newangles, e->persistent.oldangles, delta);
1046                 if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
1047                 if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
1048                 if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
1049                 VectorMA(e->persistent.oldangles, lerp, delta, angles);
1050 #else
1051                 {
1052                         vec3_t f0, u0, f1, u1;
1053                         AngleVectors(e->persistent.oldangles, f0, NULL, u0);
1054                         AngleVectors(e->persistent.newangles, f1, NULL, u1);
1055                         VectorMAM(1-lerp, f0, lerp, f1, f0);
1056                         VectorMAM(1-lerp, u0, lerp, u1, u0);
1057                         AnglesFromVectors(angles, f0, u0, false);
1058                 }
1059 #endif
1060         }
1061         else
1062         {
1063                 // no interpolation
1064                 VectorCopy(e->persistent.neworigin, origin);
1065                 VectorCopy(e->persistent.newangles, angles);
1066         }
1067
1068         // model setup and some modelflags
1069         frame = e->state_current.frame;
1070         e->render.model = CL_GetModelByIndex(e->state_current.modelindex);
1071         if (e->render.model)
1072         {
1073                 if (e->render.skinnum >= e->render.model->numskins)
1074                         e->render.skinnum = 0;
1075                 if (frame >= e->render.model->numframes)
1076                         frame = 0;
1077                 // models can set flags such as EF_ROCKET
1078                 // this 0xFF800000 mask is EF_NOMODELFLAGS plus all the higher EF_ flags such as EF_ROCKET
1079                 if (!(e->render.effects & 0xFF800000))
1080                         e->render.effects |= e->render.model->effects;
1081                 // if model is alias or this is a tenebrae-like dlight, reverse pitch direction
1082                 if (e->render.model->type == mod_alias)
1083                         angles[0] = -angles[0];
1084                 if ((e->render.effects & EF_SELECTABLE) && cl.cmd.cursor_entitynumber == e->state_current.number)
1085                 {
1086                         VectorScale(e->render.colormod, 2, e->render.colormod);
1087                         VectorScale(e->render.glowmod, 2, e->render.glowmod);
1088                 }
1089         }
1090         // if model is alias or this is a tenebrae-like dlight, reverse pitch direction
1091         else if (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC)
1092                 angles[0] = -angles[0];
1093                 // NOTE: this must be synced to SV_GetPitchSign!
1094
1095         if ((e->render.effects & EF_ROTATE) && !(e->render.flags & RENDER_VIEWMODEL))
1096         {
1097                 angles[1] = ANGLEMOD(100*cl.time);
1098                 if (cl_itembobheight.value)
1099                         origin[2] += (cos(cl.time * cl_itembobspeed.value * (2.0 * M_PI)) + 1.0) * 0.5 * cl_itembobheight.value;
1100         }
1101
1102         // animation lerp
1103         e->render.skeleton = NULL;
1104         if (e->render.flags & RENDER_COMPLEXANIMATION)
1105         {
1106                 e->render.framegroupblend[0] = e->state_current.framegroupblend[0];
1107                 e->render.framegroupblend[1] = e->state_current.framegroupblend[1];
1108                 e->render.framegroupblend[2] = e->state_current.framegroupblend[2];
1109                 e->render.framegroupblend[3] = e->state_current.framegroupblend[3];
1110                 if (e->state_current.skeletonobject.model && e->state_current.skeletonobject.relativetransforms)
1111                         e->render.skeleton = &e->state_current.skeletonobject;
1112         }
1113         else if (e->render.framegroupblend[0].frame == frame)
1114         {
1115                 // update frame lerp fraction
1116                 e->render.framegroupblend[0].lerp = 1;
1117                 e->render.framegroupblend[1].lerp = 0;
1118                 if (e->render.framegroupblend[0].start > e->render.framegroupblend[1].start)
1119                 {
1120                         // make sure frame lerp won't last longer than 100ms
1121                         // (this mainly helps with models that use framegroups and
1122                         // switch between them infrequently)
1123                         float maxdelta = cl_lerpanim_maxdelta_server.value;
1124                         if(e->render.model)
1125                         if(e->render.model->animscenes)
1126                         if(e->render.model->animscenes[e->render.framegroupblend[0].frame].framecount > 1 || e->render.model->animscenes[e->render.framegroupblend[1].frame].framecount > 1)
1127                                 maxdelta = cl_lerpanim_maxdelta_framegroups.value;
1128                         maxdelta = max(maxdelta, cl.mtime[0] - cl.mtime[1]);
1129                         e->render.framegroupblend[0].lerp = (cl.time - e->render.framegroupblend[0].start) / min(e->render.framegroupblend[0].start - e->render.framegroupblend[1].start, maxdelta);
1130                         e->render.framegroupblend[0].lerp = bound(0, e->render.framegroupblend[0].lerp, 1);
1131                         e->render.framegroupblend[1].lerp = 1 - e->render.framegroupblend[0].lerp;
1132                 }
1133         }
1134         else
1135         {
1136                 // begin a new frame lerp
1137                 e->render.framegroupblend[1] = e->render.framegroupblend[0];
1138                 e->render.framegroupblend[1].lerp = 1;
1139                 e->render.framegroupblend[0].frame = frame;
1140                 e->render.framegroupblend[0].start = cl.time;
1141                 e->render.framegroupblend[0].lerp = 0;
1142         }
1143
1144         // set up the render matrix
1145         if (matrix)
1146         {
1147                 // attached entity, this requires a matrix multiply (concat)
1148                 // FIXME: e->render.scale should go away
1149                 Matrix4x4_CreateFromQuakeEntity(&matrix2, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
1150                 // concat the matrices to make the entity relative to its tag
1151                 Matrix4x4_Concat(&e->render.matrix, matrix, &matrix2);
1152                 // get the origin from the new matrix
1153                 Matrix4x4_OriginFromMatrix(&e->render.matrix, origin);
1154         }
1155         else
1156         {
1157                 // unattached entities are faster to process
1158                 Matrix4x4_CreateFromQuakeEntity(&e->render.matrix, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
1159         }
1160
1161         // tenebrae's sprites are all additive mode (weird)
1162         if (gamemode == GAME_TENEBRAE && e->render.model && e->render.model->type == mod_sprite)
1163                 e->render.flags |= RENDER_ADDITIVE;
1164         // player model is only shown with chase_active on
1165         if (e->state_current.number == cl.viewentity)
1166                 e->render.flags |= RENDER_EXTERIORMODEL;
1167         // either fullbright or lit
1168         if(!r_fullbright.integer)
1169         {
1170                 if (!(e->render.effects & EF_FULLBRIGHT))
1171                         e->render.flags |= RENDER_LIGHT;
1172                 else if(r_equalize_entities_fullbright.integer)
1173                         e->render.flags |= RENDER_LIGHT | RENDER_EQUALIZE;
1174         }
1175         // hide player shadow during intermission or nehahra movie
1176         if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
1177          && (e->render.alpha >= 1)
1178          && !(e->render.flags & RENDER_VIEWMODEL)
1179          && (!(e->render.flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
1180                 e->render.flags |= RENDER_SHADOW;
1181         if (e->render.flags & RENDER_VIEWMODEL)
1182                 e->render.flags |= RENDER_NOSELFSHADOW;
1183         if (e->render.effects & EF_NOSELFSHADOW)
1184                 e->render.flags |= RENDER_NOSELFSHADOW;
1185         if (e->render.effects & EF_NODEPTHTEST)
1186                 e->render.flags |= RENDER_NODEPTHTEST;
1187         if (e->render.effects & EF_ADDITIVE)
1188                 e->render.flags |= RENDER_ADDITIVE;
1189         if (e->render.effects & EF_DOUBLESIDED)
1190                 e->render.flags |= RENDER_DOUBLESIDED;
1191
1192         // make the other useful stuff
1193         e->render.allowdecals = true;
1194         CL_UpdateRenderEntity(&e->render);
1195 }
1196
1197 // creates light and trails from an entity
1198 void CL_UpdateNetworkEntityTrail(entity_t *e)
1199 {
1200         effectnameindex_t trailtype;
1201         vec3_t origin;
1202
1203         // bmodels are treated specially since their origin is usually '0 0 0' and
1204         // their actual geometry is far from '0 0 0'
1205         if (e->render.model && e->render.model->soundfromcenter)
1206         {
1207                 vec3_t o;
1208                 VectorMAM(0.5f, e->render.model->normalmins, 0.5f, e->render.model->normalmaxs, o);
1209                 Matrix4x4_Transform(&e->render.matrix, o, origin);
1210         }
1211         else
1212                 Matrix4x4_OriginFromMatrix(&e->render.matrix, origin);
1213
1214         // handle particle trails and such effects now that we know where this
1215         // entity is in the world...
1216         trailtype = EFFECT_NONE;
1217         // LordHavoc: if the entity has no effects, don't check each
1218         if (e->render.effects & (EF_BRIGHTFIELD | EF_FLAME | EF_STARDUST))
1219         {
1220                 if (e->render.effects & EF_BRIGHTFIELD)
1221                 {
1222                         if (gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
1223                                 trailtype = EFFECT_TR_NEXUIZPLASMA;
1224                         else
1225                                 CL_EntityParticles(e);
1226                 }
1227                 if (e->render.effects & EF_FLAME)
1228                         CL_ParticleTrail(EFFECT_EF_FLAME, bound(0, cl.time - cl.oldtime, 0.1), origin, origin, vec3_origin, vec3_origin, NULL, 0, false, true, NULL, NULL);
1229                 if (e->render.effects & EF_STARDUST)
1230                         CL_ParticleTrail(EFFECT_EF_STARDUST, bound(0, cl.time - cl.oldtime, 0.1), origin, origin, vec3_origin, vec3_origin, NULL, 0, false, true, NULL, NULL);
1231         }
1232         if (e->render.internaleffects & (INTEF_FLAG1QW | INTEF_FLAG2QW))
1233         {
1234                 // these are only set on player entities
1235                 CL_AddQWCTFFlagModel(e, (e->render.internaleffects & INTEF_FLAG2QW) != 0);
1236         }
1237         // muzzleflash fades over time
1238         if (e->persistent.muzzleflash > 0)
1239                 e->persistent.muzzleflash -= bound(0, cl.time - cl.oldtime, 0.1) * 20;
1240         // LordHavoc: if the entity has no effects, don't check each
1241         if (e->render.effects && !(e->render.flags & RENDER_VIEWMODEL))
1242         {
1243                 if (e->render.effects & EF_GIB)
1244                         trailtype = EFFECT_TR_BLOOD;
1245                 else if (e->render.effects & EF_ZOMGIB)
1246                         trailtype = EFFECT_TR_SLIGHTBLOOD;
1247                 else if (e->render.effects & EF_TRACER)
1248                         trailtype = EFFECT_TR_WIZSPIKE;
1249                 else if (e->render.effects & EF_TRACER2)
1250                         trailtype = EFFECT_TR_KNIGHTSPIKE;
1251                 else if (e->render.effects & EF_ROCKET)
1252                         trailtype = EFFECT_TR_ROCKET;
1253                 else if (e->render.effects & EF_GRENADE)
1254                 {
1255                         // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
1256                         trailtype = e->render.alpha == -1 ? EFFECT_TR_NEHAHRASMOKE : EFFECT_TR_GRENADE;
1257                 }
1258                 else if (e->render.effects & EF_TRACER3)
1259                         trailtype = EFFECT_TR_VORESPIKE;
1260         }
1261         // do trails
1262         if (e->render.flags & RENDER_GLOWTRAIL)
1263                 trailtype = EFFECT_TR_GLOWTRAIL;
1264         // check if a trail is allowed (it is not after a teleport for example)
1265         if (trailtype && e->persistent.trail_allowed)
1266         {
1267                 float len;
1268                 vec3_t vel;
1269                 VectorSubtract(e->state_current.origin, e->state_previous.origin, vel);
1270                 len = e->state_current.time - e->state_previous.time;
1271                 if (len > 0)
1272                         len = 1.0f / len;
1273                 VectorScale(vel, len, vel);
1274                 CL_ParticleTrail(trailtype, 1, e->persistent.trail_origin, origin, vel, vel, e, e->state_current.glowcolor, false, true, NULL, NULL);
1275         }
1276         // now that the entity has survived one trail update it is allowed to
1277         // leave a real trail on later frames
1278         e->persistent.trail_allowed = true;
1279         VectorCopy(origin, e->persistent.trail_origin);
1280 }
1281
1282
1283 /*
1284 ===============
1285 CL_UpdateViewEntities
1286 ===============
1287 */
1288 void CL_UpdateViewEntities(void)
1289 {
1290         int i;
1291         // update any RENDER_VIEWMODEL entities to use the new view matrix
1292         for (i = 1;i < cl.num_entities;i++)
1293         {
1294                 if (cl.entities_active[i])
1295                 {
1296                         entity_t *ent = cl.entities + i;
1297                         if ((ent->render.flags & RENDER_VIEWMODEL) || ent->state_current.tagentity)
1298                                 CL_UpdateNetworkEntity(ent, 32, true);
1299                 }
1300         }
1301         // and of course the engine viewmodel needs updating as well
1302         CL_UpdateNetworkEntity(&cl.viewent, 32, true);
1303 }
1304
1305 /*
1306 ===============
1307 CL_UpdateNetworkCollisionEntities
1308 ===============
1309 */
1310 void CL_UpdateNetworkCollisionEntities(void)
1311 {
1312         entity_t *ent;
1313         int i;
1314
1315         // start on the entity after the world
1316         cl.num_brushmodel_entities = 0;
1317         for (i = cl.maxclients + 1;i < cl.num_entities;i++)
1318         {
1319                 if (cl.entities_active[i])
1320                 {
1321                         ent = cl.entities + i;
1322                         if (ent->state_current.active && ent->render.model && ent->render.model->name[0] == '*' && ent->render.model->TraceBox)
1323                         {
1324                                 // do not interpolate the bmodels for this
1325                                 CL_UpdateNetworkEntity(ent, 32, false);
1326                                 cl.brushmodel_entities[cl.num_brushmodel_entities++] = i;
1327                         }
1328                 }
1329         }
1330 }
1331
1332 extern void R_DecalSystem_Reset(decalsystem_t *decalsystem);
1333
1334 /*
1335 ===============
1336 CL_UpdateNetworkEntities
1337 ===============
1338 */
1339 void CL_UpdateNetworkEntities(void)
1340 {
1341         entity_t *ent;
1342         int i;
1343
1344         // start on the entity after the world
1345         for (i = 1;i < cl.num_entities;i++)
1346         {
1347                 if (cl.entities_active[i])
1348                 {
1349                         ent = cl.entities + i;
1350                         if (ent->state_current.active)
1351                         {
1352                                 CL_UpdateNetworkEntity(ent, 32, true);
1353                                 // view models should never create light/trails
1354                                 if (!(ent->render.flags & RENDER_VIEWMODEL))
1355                                         CL_UpdateNetworkEntityTrail(ent);
1356                         }
1357                         else
1358                         {
1359                                 R_DecalSystem_Reset(&ent->render.decalsystem);
1360                                 cl.entities_active[i] = false;
1361                         }
1362                 }
1363         }
1364 }
1365
1366 void CL_UpdateViewModel(void)
1367 {
1368         entity_t *ent;
1369         ent = &cl.viewent;
1370         ent->state_previous = ent->state_current;
1371         ent->state_current = defaultstate;
1372         ent->state_current.time = cl.time;
1373         ent->state_current.number = (unsigned short)-1;
1374         ent->state_current.active = true;
1375         ent->state_current.modelindex = cl.stats[STAT_WEAPON];
1376         ent->state_current.frame = cl.stats[STAT_WEAPONFRAME];
1377         ent->state_current.flags = RENDER_VIEWMODEL;
1378         if ((cl.stats[STAT_HEALTH] <= 0 && cl_deathnoviewmodel.integer) || cl.intermission)
1379                 ent->state_current.modelindex = 0;
1380         else if (cl.stats[STAT_ITEMS] & IT_INVISIBILITY)
1381         {
1382                 if (gamemode == GAME_TRANSFUSION)
1383                         ent->state_current.alpha = 128;
1384                 else
1385                         ent->state_current.modelindex = 0;
1386         }
1387         ent->state_current.alpha = cl.entities[cl.viewentity].state_current.alpha;
1388         ent->state_current.effects = EF_NOSHADOW | (cl.entities[cl.viewentity].state_current.effects & (EF_ADDITIVE | EF_FULLBRIGHT | EF_NODEPTHTEST | EF_NOGUNBOB));
1389
1390         // reset animation interpolation on weaponmodel if model changed
1391         if (ent->state_previous.modelindex != ent->state_current.modelindex)
1392         {
1393                 ent->render.framegroupblend[0].frame = ent->render.framegroupblend[1].frame = ent->state_current.frame;
1394                 ent->render.framegroupblend[0].start = ent->render.framegroupblend[1].start = cl.time;
1395                 ent->render.framegroupblend[0].lerp = 1;ent->render.framegroupblend[1].lerp = 0;
1396         }
1397         CL_UpdateNetworkEntity(ent, 32, true);
1398 }
1399
1400 // note this is a recursive function, but it can never get in a runaway loop (because of the delayedlink flags)
1401 void CL_LinkNetworkEntity(entity_t *e)
1402 {
1403         effectnameindex_t trailtype;
1404         vec3_t origin;
1405         vec3_t dlightcolor;
1406         vec_t dlightradius;
1407
1408         // skip inactive entities and world
1409         if (!e->state_current.active || e == cl.entities)
1410                 return;
1411         if (e->state_current.tagentity)
1412         {
1413                 // if the tag entity is currently impossible, skip it
1414                 if (e->state_current.tagentity >= cl.num_entities)
1415                         return;
1416                 // if the tag entity is inactive, skip it
1417                 if (!cl.entities[e->state_current.tagentity].state_current.active)
1418                 {
1419                         if(!cl.csqc_server2csqcentitynumber[e->state_current.tagentity])
1420                                 return;
1421                         if(!cl.csqcrenderentities[cl.csqc_server2csqcentitynumber[e->state_current.tagentity]].entitynumber)
1422                                 return;
1423                         // if we get here, it's properly csqc networked and attached
1424                 }
1425         }
1426
1427         // create entity dlights associated with this entity
1428         if (e->render.model && e->render.model->soundfromcenter)
1429         {
1430                 // bmodels are treated specially since their origin is usually '0 0 0'
1431                 vec3_t o;
1432                 VectorMAM(0.5f, e->render.model->normalmins, 0.5f, e->render.model->normalmaxs, o);
1433                 Matrix4x4_Transform(&e->render.matrix, o, origin);
1434         }
1435         else
1436                 Matrix4x4_OriginFromMatrix(&e->render.matrix, origin);
1437         trailtype = EFFECT_NONE;
1438         dlightradius = 0;
1439         dlightcolor[0] = 0;
1440         dlightcolor[1] = 0;
1441         dlightcolor[2] = 0;
1442         // LordHavoc: if the entity has no effects, don't check each
1443         if (e->render.effects & (EF_BRIGHTFIELD | EF_DIMLIGHT | EF_BRIGHTLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1444         {
1445                 if (e->render.effects & EF_BRIGHTFIELD)
1446                 {
1447                         if (gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
1448                                 trailtype = EFFECT_TR_NEXUIZPLASMA;
1449                 }
1450                 if (e->render.effects & EF_DIMLIGHT)
1451                 {
1452                         dlightradius = max(dlightradius, 200);
1453                         dlightcolor[0] += 1.50f;
1454                         dlightcolor[1] += 1.50f;
1455                         dlightcolor[2] += 1.50f;
1456                 }
1457                 if (e->render.effects & EF_BRIGHTLIGHT)
1458                 {
1459                         dlightradius = max(dlightradius, 400);
1460                         dlightcolor[0] += 3.00f;
1461                         dlightcolor[1] += 3.00f;
1462                         dlightcolor[2] += 3.00f;
1463                 }
1464                 // LordHavoc: more effects
1465                 if (e->render.effects & EF_RED) // red
1466                 {
1467                         dlightradius = max(dlightradius, 200);
1468                         dlightcolor[0] += 1.50f;
1469                         dlightcolor[1] += 0.15f;
1470                         dlightcolor[2] += 0.15f;
1471                 }
1472                 if (e->render.effects & EF_BLUE) // blue
1473                 {
1474                         dlightradius = max(dlightradius, 200);
1475                         dlightcolor[0] += 0.15f;
1476                         dlightcolor[1] += 0.15f;
1477                         dlightcolor[2] += 1.50f;
1478                 }
1479                 if (e->render.effects & EF_FLAME)
1480                         CL_ParticleTrail(EFFECT_EF_FLAME, 1, origin, origin, vec3_origin, vec3_origin, NULL, 0, true, false, NULL, NULL);
1481                 if (e->render.effects & EF_STARDUST)
1482                         CL_ParticleTrail(EFFECT_EF_STARDUST, 1, origin, origin, vec3_origin, vec3_origin, NULL, 0, true, false, NULL, NULL);
1483         }
1484         // muzzleflash fades over time, and is offset a bit
1485         if (e->persistent.muzzleflash > 0 && r_refdef.scene.numlights < MAX_DLIGHTS)
1486         {
1487                 vec3_t v2;
1488                 vec3_t color;
1489                 trace_t trace;
1490                 matrix4x4_t tempmatrix;
1491                 Matrix4x4_Transform(&e->render.matrix, muzzleflashorigin, v2);
1492                 trace = CL_TraceLine(origin, v2, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_SKY, true, false, NULL, false, false);
1493                 Matrix4x4_Normalize(&tempmatrix, &e->render.matrix);
1494                 Matrix4x4_SetOrigin(&tempmatrix, trace.endpos[0], trace.endpos[1], trace.endpos[2]);
1495                 Matrix4x4_Scale(&tempmatrix, 150, 1);
1496                 VectorSet(color, e->persistent.muzzleflash * 4.0f, e->persistent.muzzleflash * 4.0f, e->persistent.muzzleflash * 4.0f);
1497                 R_RTLight_Update(&r_refdef.scene.templights[r_refdef.scene.numlights], false, &tempmatrix, color, -1, NULL, true, 0, 0.25, 0, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1498                 r_refdef.scene.lights[r_refdef.scene.numlights] = &r_refdef.scene.templights[r_refdef.scene.numlights];r_refdef.scene.numlights++;
1499         }
1500         // LordHavoc: if the model has no flags, don't check each
1501         if (e->render.model && e->render.effects && !(e->render.flags & RENDER_VIEWMODEL))
1502         {
1503                 if (e->render.effects & EF_GIB)
1504                         trailtype = EFFECT_TR_BLOOD;
1505                 else if (e->render.effects & EF_ZOMGIB)
1506                         trailtype = EFFECT_TR_SLIGHTBLOOD;
1507                 else if (e->render.effects & EF_TRACER)
1508                         trailtype = EFFECT_TR_WIZSPIKE;
1509                 else if (e->render.effects & EF_TRACER2)
1510                         trailtype = EFFECT_TR_KNIGHTSPIKE;
1511                 else if (e->render.effects & EF_ROCKET)
1512                         trailtype = EFFECT_TR_ROCKET;
1513                 else if (e->render.effects & EF_GRENADE)
1514                 {
1515                         // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
1516                         trailtype = e->render.alpha == -1 ? EFFECT_TR_NEHAHRASMOKE : EFFECT_TR_GRENADE;
1517                 }
1518                 else if (e->render.effects & EF_TRACER3)
1519                         trailtype = EFFECT_TR_VORESPIKE;
1520         }
1521         // LordHavoc: customizable glow
1522         if (e->state_current.glowsize)
1523         {
1524                 // * 4 for the expansion from 0-255 to 0-1023 range,
1525                 // / 255 to scale down byte colors
1526                 dlightradius = max(dlightradius, e->state_current.glowsize * 4);
1527                 VectorMA(dlightcolor, (1.0f / 255.0f), palette_rgb[e->state_current.glowcolor], dlightcolor);
1528         }
1529         // custom rtlight
1530         if ((e->state_current.lightpflags & PFLAGS_FULLDYNAMIC) && r_refdef.scene.numlights < MAX_DLIGHTS)
1531         {
1532                 matrix4x4_t dlightmatrix;
1533                 float light[4];
1534                 VectorScale(e->state_current.light, (1.0f / 256.0f), light);
1535                 light[3] = e->state_current.light[3];
1536                 if (light[0] == 0 && light[1] == 0 && light[2] == 0)
1537                         VectorSet(light, 1, 1, 1);
1538                 if (light[3] == 0)
1539                         light[3] = 350;
1540                 // FIXME: add ambient/diffuse/specular scales as an extension ontop of TENEBRAE_GFX_DLIGHTS?
1541                 Matrix4x4_Normalize(&dlightmatrix, &e->render.matrix);
1542                 Matrix4x4_Scale(&dlightmatrix, light[3], 1);
1543                 R_RTLight_Update(&r_refdef.scene.templights[r_refdef.scene.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);
1544                 r_refdef.scene.lights[r_refdef.scene.numlights] = &r_refdef.scene.templights[r_refdef.scene.numlights];r_refdef.scene.numlights++;
1545         }
1546         // make the glow dlight
1547         else if (dlightradius > 0 && (dlightcolor[0] || dlightcolor[1] || dlightcolor[2]) && !(e->render.flags & RENDER_VIEWMODEL) && r_refdef.scene.numlights < MAX_DLIGHTS)
1548         {
1549                 matrix4x4_t dlightmatrix;
1550                 Matrix4x4_Normalize(&dlightmatrix, &e->render.matrix);
1551                 // hack to make glowing player light shine on their gun
1552                 //if (e->state_current.number == cl.viewentity/* && !chase_active.integer*/)
1553                 //      Matrix4x4_AdjustOrigin(&dlightmatrix, 0, 0, 30);
1554                 Matrix4x4_Scale(&dlightmatrix, dlightradius, 1);
1555                 R_RTLight_Update(&r_refdef.scene.templights[r_refdef.scene.numlights], false, &dlightmatrix, dlightcolor, -1, NULL, true, 1, 0.25, 0, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1556                 r_refdef.scene.lights[r_refdef.scene.numlights] = &r_refdef.scene.templights[r_refdef.scene.numlights];r_refdef.scene.numlights++;
1557         }
1558         // do trail light
1559         if (e->render.flags & RENDER_GLOWTRAIL)
1560                 trailtype = EFFECT_TR_GLOWTRAIL;
1561         if (trailtype)
1562                 CL_ParticleTrail(trailtype, 1, origin, origin, vec3_origin, vec3_origin, NULL, e->state_current.glowcolor, true, false, NULL, NULL);
1563
1564         // don't show entities with no modelindex (note: this still shows
1565         // entities which have a modelindex that resolved to a NULL model)
1566         if (e->render.model && !(e->render.effects & EF_NODRAW) && r_refdef.scene.numentities < r_refdef.scene.maxentities)
1567                 r_refdef.scene.entities[r_refdef.scene.numentities++] = &e->render;
1568         //if (cl.viewentity && e->state_current.number == cl.viewentity)
1569         //      Matrix4x4_Print(&e->render.matrix);
1570 }
1571
1572 void CL_RelinkWorld(void)
1573 {
1574         entity_t *ent = &cl.entities[0];
1575         // FIXME: this should be done at load
1576         ent->render.matrix = identitymatrix;
1577         ent->render.flags = RENDER_SHADOW;
1578         if (!r_fullbright.integer)
1579                 ent->render.flags |= RENDER_LIGHT;
1580         VectorSet(ent->render.colormod, 1, 1, 1);
1581         VectorSet(ent->render.glowmod, 1, 1, 1);
1582         ent->render.allowdecals = true;
1583         CL_UpdateRenderEntity(&ent->render);
1584         r_refdef.scene.worldentity = &ent->render;
1585         r_refdef.scene.worldmodel = cl.worldmodel;
1586 }
1587
1588 static void CL_RelinkStaticEntities(void)
1589 {
1590         int i;
1591         entity_t *e;
1592         for (i = 0, e = cl.static_entities;i < cl.num_static_entities && r_refdef.scene.numentities < r_refdef.scene.maxentities;i++, e++)
1593         {
1594                 e->render.flags = 0;
1595                 // if the model was not loaded when the static entity was created we
1596                 // need to re-fetch the model pointer
1597                 e->render.model = CL_GetModelByIndex(e->state_baseline.modelindex);
1598                 // either fullbright or lit
1599                 if(!r_fullbright.integer)
1600                 {
1601                         if (!(e->render.effects & EF_FULLBRIGHT))
1602                                 e->render.flags |= RENDER_LIGHT;
1603                         else if(r_equalize_entities_fullbright.integer)
1604                                 e->render.flags |= RENDER_LIGHT | RENDER_EQUALIZE;
1605                 }
1606                 // hide player shadow during intermission or nehahra movie
1607                 if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST)) && (e->render.alpha >= 1))
1608                         e->render.flags |= RENDER_SHADOW;
1609                 VectorSet(e->render.colormod, 1, 1, 1);
1610                 VectorSet(e->render.glowmod, 1, 1, 1);
1611                 VM_FrameBlendFromFrameGroupBlend(e->render.frameblend, e->render.framegroupblend, e->render.model);
1612                 e->render.allowdecals = true;
1613                 CL_UpdateRenderEntity(&e->render);
1614                 r_refdef.scene.entities[r_refdef.scene.numentities++] = &e->render;
1615         }
1616 }
1617
1618 /*
1619 ===============
1620 CL_RelinkEntities
1621 ===============
1622 */
1623 static void CL_RelinkNetworkEntities(void)
1624 {
1625         entity_t *ent;
1626         int i;
1627
1628         // start on the entity after the world
1629         for (i = 1;i < cl.num_entities;i++)
1630         {
1631                 if (cl.entities_active[i])
1632                 {
1633                         ent = cl.entities + i;
1634                         if (ent->state_current.active)
1635                                 CL_LinkNetworkEntity(ent);
1636                         else
1637                                 cl.entities_active[i] = false;
1638                 }
1639         }
1640 }
1641
1642 static void CL_RelinkEffects(void)
1643 {
1644         int i, intframe;
1645         cl_effect_t *e;
1646         entity_render_t *entrender;
1647         float frame;
1648
1649         for (i = 0, e = cl.effects;i < cl.num_effects;i++, e++)
1650         {
1651                 if (e->active)
1652                 {
1653                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
1654                         intframe = (int)frame;
1655                         if (intframe < 0 || intframe >= e->endframe)
1656                         {
1657                                 memset(e, 0, sizeof(*e));
1658                                 while (cl.num_effects > 0 && !cl.effects[cl.num_effects - 1].active)
1659                                         cl.num_effects--;
1660                                 continue;
1661                         }
1662
1663                         if (intframe != e->frame)
1664                         {
1665                                 e->frame = intframe;
1666                                 e->frame1time = e->frame2time;
1667                                 e->frame2time = cl.time;
1668                         }
1669
1670                         // if we're drawing effects, get a new temp entity
1671                         // (NewTempEntity adds it to the render entities list for us)
1672                         if (r_draweffects.integer && (entrender = CL_NewTempEntity(e->starttime)))
1673                         {
1674                                 // interpolation stuff
1675                                 entrender->framegroupblend[0].frame = intframe;
1676                                 entrender->framegroupblend[0].lerp = 1 - frame - intframe;
1677                                 entrender->framegroupblend[0].start = e->frame1time;
1678                                 if (intframe + 1 >= e->endframe)
1679                                 {
1680                                         entrender->framegroupblend[1].frame = 0; // disappear
1681                                         entrender->framegroupblend[1].lerp = 0;
1682                                         entrender->framegroupblend[1].start = 0;
1683                                 }
1684                                 else
1685                                 {
1686                                         entrender->framegroupblend[1].frame = intframe + 1;
1687                                         entrender->framegroupblend[1].lerp = frame - intframe;
1688                                         entrender->framegroupblend[1].start = e->frame2time;
1689                                 }
1690
1691                                 // normal stuff
1692                                 entrender->model = CL_GetModelByIndex(e->modelindex);
1693                                 entrender->alpha = 1;
1694                                 VectorSet(entrender->colormod, 1, 1, 1);
1695                                 VectorSet(entrender->glowmod, 1, 1, 1);
1696
1697                                 Matrix4x4_CreateFromQuakeEntity(&entrender->matrix, e->origin[0], e->origin[1], e->origin[2], 0, 0, 0, 1);
1698                                 CL_UpdateRenderEntity(entrender);
1699                         }
1700                 }
1701         }
1702 }
1703
1704 void CL_Beam_CalculatePositions(const beam_t *b, vec3_t start, vec3_t end)
1705 {
1706         VectorCopy(b->start, start);
1707         VectorCopy(b->end, end);
1708
1709         // if coming from the player, update the start position
1710         if (b->entity == cl.viewentity)
1711         {
1712                 if (cl_beams_quakepositionhack.integer && !chase_active.integer)
1713                 {
1714                         // LordHavoc: this is a stupid hack from Quake that makes your
1715                         // lightning appear to come from your waist and cover less of your
1716                         // view
1717                         // in Quake this hack was applied to all players (causing the
1718                         // infamous crotch-lightning), but in darkplaces and QuakeWorld it
1719                         // only applies to your own lightning, and only in first person
1720                         Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, start);
1721                 }
1722                 if (cl_beams_instantaimhack.integer)
1723                 {
1724                         vec3_t dir, localend;
1725                         vec_t len;
1726                         // LordHavoc: this updates the beam direction to match your
1727                         // viewangles
1728                         VectorSubtract(end, start, dir);
1729                         len = VectorLength(dir);
1730                         VectorNormalize(dir);
1731                         VectorSet(localend, len, 0, 0);
1732                         Matrix4x4_Transform(&r_refdef.view.matrix, localend, end);
1733                 }
1734         }
1735 }
1736
1737 void CL_RelinkBeams(void)
1738 {
1739         int i;
1740         beam_t *b;
1741         vec3_t dist, org, start, end;
1742         float d;
1743         entity_render_t *entrender;
1744         double yaw, pitch;
1745         float forward;
1746         matrix4x4_t tempmatrix;
1747
1748         for (i = 0, b = cl.beams;i < cl.num_beams;i++, b++)
1749         {
1750                 if (!b->model)
1751                         continue;
1752                 if (b->endtime < cl.time)
1753                 {
1754                         b->model = NULL;
1755                         continue;
1756                 }
1757
1758                 CL_Beam_CalculatePositions(b, start, end);
1759
1760                 if (b->lightning)
1761                 {
1762                         if (cl_beams_lightatend.integer && r_refdef.scene.numlights < MAX_DLIGHTS)
1763                         {
1764                                 // FIXME: create a matrix from the beam start/end orientation
1765                                 vec3_t dlightcolor;
1766                                 VectorSet(dlightcolor, 0.3, 0.7, 1);
1767                                 Matrix4x4_CreateFromQuakeEntity(&tempmatrix, end[0], end[1], end[2], 0, 0, 0, 200);
1768                                 R_RTLight_Update(&r_refdef.scene.templights[r_refdef.scene.numlights], false, &tempmatrix, dlightcolor, -1, NULL, true, 1, 0.25, 1, 0, 0, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1769                                 r_refdef.scene.lights[r_refdef.scene.numlights] = &r_refdef.scene.templights[r_refdef.scene.numlights];r_refdef.scene.numlights++;
1770                         }
1771                         if (cl_beams_polygons.integer)
1772                                 continue;
1773                 }
1774
1775                 // calculate pitch and yaw
1776                 // (this is similar to the QuakeC builtin function vectoangles)
1777                 VectorSubtract(end, start, dist);
1778                 if (dist[1] == 0 && dist[0] == 0)
1779                 {
1780                         yaw = 0;
1781                         if (dist[2] > 0)
1782                                 pitch = 90;
1783                         else
1784                                 pitch = 270;
1785                 }
1786                 else
1787                 {
1788                         yaw = atan2(dist[1], dist[0]) * 180 / M_PI;
1789                         if (yaw < 0)
1790                                 yaw += 360;
1791
1792                         forward = sqrt (dist[0]*dist[0] + dist[1]*dist[1]);
1793                         pitch = atan2(dist[2], forward) * 180 / M_PI;
1794                         if (pitch < 0)
1795                                 pitch += 360;
1796                 }
1797
1798                 // add new entities for the lightning
1799                 VectorCopy (start, org);
1800                 d = VectorNormalizeLength(dist);
1801                 while (d > 0)
1802                 {
1803                         entrender = CL_NewTempEntity (0);
1804                         if (!entrender)
1805                                 return;
1806                         //VectorCopy (org, ent->render.origin);
1807                         entrender->model = b->model;
1808                         //ent->render.effects = EF_FULLBRIGHT;
1809                         //ent->render.angles[0] = pitch;
1810                         //ent->render.angles[1] = yaw;
1811                         //ent->render.angles[2] = rand()%360;
1812                         Matrix4x4_CreateFromQuakeEntity(&entrender->matrix, org[0], org[1], org[2], -pitch, yaw, lhrandom(0, 360), 1);
1813                         CL_UpdateRenderEntity(entrender);
1814                         VectorMA(org, 30, dist, org);
1815                         d -= 30;
1816                 }
1817         }
1818
1819         while (cl.num_beams > 0 && !cl.beams[cl.num_beams - 1].model)
1820                 cl.num_beams--;
1821 }
1822
1823 static void CL_RelinkQWNails(void)
1824 {
1825         int i;
1826         vec_t *v;
1827         entity_render_t *entrender;
1828
1829         for (i = 0;i < cl.qw_num_nails;i++)
1830         {
1831                 v = cl.qw_nails[i];
1832
1833                 // if we're drawing effects, get a new temp entity
1834                 // (NewTempEntity adds it to the render entities list for us)
1835                 if (!(entrender = CL_NewTempEntity(0)))
1836                         continue;
1837
1838                 // normal stuff
1839                 entrender->model = CL_GetModelByIndex(cl.qw_modelindex_spike);
1840                 entrender->alpha = 1;
1841                 VectorSet(entrender->colormod, 1, 1, 1);
1842                 VectorSet(entrender->glowmod, 1, 1, 1);
1843
1844                 Matrix4x4_CreateFromQuakeEntity(&entrender->matrix, v[0], v[1], v[2], v[3], v[4], v[5], 1);
1845                 CL_UpdateRenderEntity(entrender);
1846         }
1847 }
1848
1849 void CL_LerpPlayer(float frac)
1850 {
1851         int i;
1852
1853         cl.viewzoom = cl.mviewzoom[1] + frac * (cl.mviewzoom[0] - cl.mviewzoom[1]);
1854         for (i = 0;i < 3;i++)
1855         {
1856                 cl.punchangle[i] = cl.mpunchangle[1][i] + frac * (cl.mpunchangle[0][i] - cl.mpunchangle[1][i]);
1857                 cl.punchvector[i] = cl.mpunchvector[1][i] + frac * (cl.mpunchvector[0][i] - cl.mpunchvector[1][i]);
1858                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
1859         }
1860
1861         // interpolate the angles if playing a demo or spectating someone
1862         if (cls.demoplayback || cl.fixangle[0])
1863         {
1864                 for (i = 0;i < 3;i++)
1865                 {
1866                         float d = cl.mviewangles[0][i] - cl.mviewangles[1][i];
1867                         if (d > 180)
1868                                 d -= 360;
1869                         else if (d < -180)
1870                                 d += 360;
1871                         cl.viewangles[i] = cl.mviewangles[1][i] + frac * d;
1872                 }
1873         }
1874 }
1875
1876 void CSQC_RelinkAllEntities (int drawmask)
1877 {
1878         // link stuff
1879         CL_RelinkWorld();
1880         CL_RelinkStaticEntities();
1881         CL_RelinkBeams();
1882         CL_RelinkEffects();
1883
1884         // link stuff
1885         if (drawmask & ENTMASK_ENGINE)
1886         {
1887                 CL_RelinkNetworkEntities();
1888                 if (drawmask & ENTMASK_ENGINEVIEWMODELS)
1889                         CL_LinkNetworkEntity(&cl.viewent); // link gun model
1890                 CL_RelinkQWNails();
1891         }
1892
1893         // update view blend
1894         V_CalcViewBlend();
1895 }
1896
1897 /*
1898 ===============
1899 CL_UpdateWorld
1900
1901 Update client game world for a new frame
1902 ===============
1903 */
1904 void CL_UpdateWorld(void)
1905 {
1906         r_refdef.scene.extraupdate = !r_speeds.integer;
1907         r_refdef.scene.numentities = 0;
1908         r_refdef.scene.numlights = 0;
1909         r_refdef.view.matrix = identitymatrix;
1910         r_refdef.view.quality = 1;
1911
1912         cl.num_brushmodel_entities = 0;
1913
1914         if (cls.state == ca_connected && cls.signon == SIGNONS)
1915         {
1916                 // prepare for a new frame
1917                 CL_LerpPlayer(CL_LerpPoint());
1918                 CL_DecayLightFlashes();
1919                 CL_ClearTempEntities();
1920                 V_DriftPitch();
1921                 V_FadeViewFlashs();
1922
1923                 // if prediction is enabled we have to update all the collidable
1924                 // network entities before the prediction code can be run
1925                 CL_UpdateNetworkCollisionEntities();
1926
1927                 // now update the player prediction
1928                 CL_ClientMovement_Replay();
1929
1930                 // update the player entity (which may be predicted)
1931                 CL_UpdateNetworkEntity(cl.entities + cl.viewentity, 32, true);
1932
1933                 // now update the view (which depends on that player entity)
1934                 V_CalcRefdef();
1935
1936                 // now update all the network entities and create particle trails
1937                 // (some entities may depend on the view)
1938                 CL_UpdateNetworkEntities();
1939
1940                 // update the engine-based viewmodel
1941                 CL_UpdateViewModel();
1942
1943                 CL_RelinkLightFlashes();
1944                 CSQC_RelinkAllEntities(ENTMASK_ENGINE | ENTMASK_ENGINEVIEWMODELS);
1945
1946                 // decals, particles, and explosions will be updated during rneder
1947         }
1948
1949         r_refdef.scene.time = cl.time;
1950 }
1951
1952 // LordHavoc: pausedemo command
1953 static void CL_PauseDemo_f (void)
1954 {
1955         cls.demopaused = !cls.demopaused;
1956         if (cls.demopaused)
1957                 Con_Print("Demo paused\n");
1958         else
1959                 Con_Print("Demo unpaused\n");
1960 }
1961
1962 /*
1963 ======================
1964 CL_Fog_f
1965 ======================
1966 */
1967 static void CL_Fog_f (void)
1968 {
1969         if (Cmd_Argc () == 1)
1970         {
1971                 Con_Printf("\"fog\" is \"%f %f %f %f %f %f %f %f %f\"\n", r_refdef.fog_density, r_refdef.fog_red, r_refdef.fog_green, r_refdef.fog_blue, r_refdef.fog_alpha, r_refdef.fog_start, r_refdef.fog_end, r_refdef.fog_height, r_refdef.fog_fadedepth);
1972                 return;
1973         }
1974         FOG_clear(); // so missing values get good defaults
1975         if(Cmd_Argc() > 1)
1976                 r_refdef.fog_density = atof(Cmd_Argv(1));
1977         if(Cmd_Argc() > 2)
1978                 r_refdef.fog_red = atof(Cmd_Argv(2));
1979         if(Cmd_Argc() > 3)
1980                 r_refdef.fog_green = atof(Cmd_Argv(3));
1981         if(Cmd_Argc() > 4)
1982                 r_refdef.fog_blue = atof(Cmd_Argv(4));
1983         if(Cmd_Argc() > 5)
1984                 r_refdef.fog_alpha = atof(Cmd_Argv(5));
1985         if(Cmd_Argc() > 6)
1986                 r_refdef.fog_start = atof(Cmd_Argv(6));
1987         if(Cmd_Argc() > 7)
1988                 r_refdef.fog_end = atof(Cmd_Argv(7));
1989         if(Cmd_Argc() > 8)
1990                 r_refdef.fog_height = atof(Cmd_Argv(8));
1991         if(Cmd_Argc() > 9)
1992                 r_refdef.fog_fadedepth = atof(Cmd_Argv(9));
1993 }
1994
1995 /*
1996 ======================
1997 CL_FogHeightTexture_f
1998 ======================
1999 */
2000 static void CL_Fog_HeightTexture_f (void)
2001 {
2002         if (Cmd_Argc () < 11)
2003         {
2004                 Con_Printf("\"fog_heighttexture\" is \"%f %f %f %f %f %f %f %f %f %s\"\n", r_refdef.fog_density, r_refdef.fog_red, r_refdef.fog_green, r_refdef.fog_blue, r_refdef.fog_alpha, r_refdef.fog_start, r_refdef.fog_end, r_refdef.fog_height, r_refdef.fog_fadedepth, r_refdef.fog_height_texturename);
2005                 return;
2006         }
2007         FOG_clear(); // so missing values get good defaults
2008         r_refdef.fog_density = atof(Cmd_Argv(1));
2009         r_refdef.fog_red = atof(Cmd_Argv(2));
2010         r_refdef.fog_green = atof(Cmd_Argv(3));
2011         r_refdef.fog_blue = atof(Cmd_Argv(4));
2012         r_refdef.fog_alpha = atof(Cmd_Argv(5));
2013         r_refdef.fog_start = atof(Cmd_Argv(6));
2014         r_refdef.fog_end = atof(Cmd_Argv(7));
2015         r_refdef.fog_height = atof(Cmd_Argv(8));
2016         r_refdef.fog_fadedepth = atof(Cmd_Argv(9));
2017         strlcpy(r_refdef.fog_height_texturename, Cmd_Argv(10), sizeof(r_refdef.fog_height_texturename));
2018 }
2019
2020
2021 /*
2022 ====================
2023 CL_TimeRefresh_f
2024
2025 For program optimization
2026 ====================
2027 */
2028 static void CL_TimeRefresh_f (void)
2029 {
2030         int i;
2031         float timestart, timedelta;
2032
2033         r_refdef.scene.extraupdate = false;
2034
2035         timestart = Sys_DoubleTime();
2036         for (i = 0;i < 128;i++)
2037         {
2038                 Matrix4x4_CreateFromQuakeEntity(&r_refdef.view.matrix, r_refdef.view.origin[0], r_refdef.view.origin[1], r_refdef.view.origin[2], 0, i / 128.0 * 360.0, 0, 1);
2039                 r_refdef.view.quality = 1;
2040                 CL_UpdateScreen();
2041         }
2042         timedelta = Sys_DoubleTime() - timestart;
2043
2044         Con_Printf("%f seconds (%f fps)\n", timedelta, 128/timedelta);
2045 }
2046
2047 void CL_AreaStats_f(void)
2048 {
2049         World_PrintAreaStats(&cl.world, "client");
2050 }
2051
2052 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point)
2053 {
2054         int i;
2055         cl_locnode_t *loc;
2056         cl_locnode_t *best;
2057         vec3_t nearestpoint;
2058         vec_t dist, bestdist;
2059         best = NULL;
2060         bestdist = 0;
2061         for (loc = cl.locnodes;loc;loc = loc->next)
2062         {
2063                 for (i = 0;i < 3;i++)
2064                         nearestpoint[i] = bound(loc->mins[i], point[i], loc->maxs[i]);
2065                 dist = VectorDistance2(nearestpoint, point);
2066                 if (bestdist > dist || !best)
2067                 {
2068                         bestdist = dist;
2069                         best = loc;
2070                         if (bestdist < 1)
2071                                 break;
2072                 }
2073         }
2074         return best;
2075 }
2076
2077 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point)
2078 {
2079         cl_locnode_t *loc;
2080         loc = CL_Locs_FindNearest(point);
2081         if (loc)
2082                 strlcpy(buffer, loc->name, buffersize);
2083         else
2084                 dpsnprintf(buffer, buffersize, "LOC=%.0f:%.0f:%.0f", point[0], point[1], point[2]);
2085 }
2086
2087 void CL_Locs_FreeNode(cl_locnode_t *node)
2088 {
2089         cl_locnode_t **pointer, **next;
2090         for (pointer = &cl.locnodes;*pointer;pointer = next)
2091         {
2092                 next = &(*pointer)->next;
2093                 if (*pointer == node)
2094                 {
2095                         *pointer = node->next;
2096                         Mem_Free(node);
2097                         return;
2098                 }
2099         }
2100         Con_Printf("CL_Locs_FreeNode: no such node! (%p)\n", (void *)node);
2101 }
2102
2103 void CL_Locs_AddNode(vec3_t mins, vec3_t maxs, const char *name)
2104 {
2105         cl_locnode_t *node, **pointer;
2106         int namelen;
2107         if (!name)
2108                 name = "";
2109         namelen = strlen(name);
2110         node = (cl_locnode_t *) Mem_Alloc(cls.levelmempool, sizeof(cl_locnode_t) + namelen + 1);
2111         VectorSet(node->mins, min(mins[0], maxs[0]), min(mins[1], maxs[1]), min(mins[2], maxs[2]));
2112         VectorSet(node->maxs, max(mins[0], maxs[0]), max(mins[1], maxs[1]), max(mins[2], maxs[2]));
2113         node->name = (char *)(node + 1);
2114         memcpy(node->name, name, namelen);
2115         node->name[namelen] = 0;
2116         // link it into the tail of the list to preserve the order
2117         for (pointer = &cl.locnodes;*pointer;pointer = &(*pointer)->next)
2118                 ;
2119         *pointer = node;
2120 }
2121
2122 void CL_Locs_Add_f(void)
2123 {
2124         vec3_t mins, maxs;
2125         if (Cmd_Argc() != 5 && Cmd_Argc() != 8)
2126         {
2127                 Con_Printf("usage: %s x y z[ x y z] name\n", Cmd_Argv(0));
2128                 return;
2129         }
2130         mins[0] = atof(Cmd_Argv(1));
2131         mins[1] = atof(Cmd_Argv(2));
2132         mins[2] = atof(Cmd_Argv(3));
2133         if (Cmd_Argc() == 8)
2134         {
2135                 maxs[0] = atof(Cmd_Argv(4));
2136                 maxs[1] = atof(Cmd_Argv(5));
2137                 maxs[2] = atof(Cmd_Argv(6));
2138                 CL_Locs_AddNode(mins, maxs, Cmd_Argv(7));
2139         }
2140         else
2141                 CL_Locs_AddNode(mins, mins, Cmd_Argv(4));
2142 }
2143
2144 void CL_Locs_RemoveNearest_f(void)
2145 {
2146         cl_locnode_t *loc;
2147         loc = CL_Locs_FindNearest(r_refdef.view.origin);
2148         if (loc)
2149                 CL_Locs_FreeNode(loc);
2150         else
2151                 Con_Printf("no loc point or box found for your location\n");
2152 }
2153
2154 void CL_Locs_Clear_f(void)
2155 {
2156         while (cl.locnodes)
2157                 CL_Locs_FreeNode(cl.locnodes);
2158 }
2159
2160 void CL_Locs_Save_f(void)
2161 {
2162         cl_locnode_t *loc;
2163         qfile_t *outfile;
2164         char locfilename[MAX_QPATH];
2165         if (!cl.locnodes)
2166         {
2167                 Con_Printf("No loc points/boxes exist!\n");
2168                 return;
2169         }
2170         if (cls.state != ca_connected || !cl.worldmodel)
2171         {
2172                 Con_Printf("No level loaded!\n");
2173                 return;
2174         }
2175         dpsnprintf(locfilename, sizeof(locfilename), "%s.loc", cl.worldnamenoextension);
2176
2177         outfile = FS_OpenRealFile(locfilename, "w", false);
2178         if (!outfile)
2179                 return;
2180         // if any boxes are used then this is a proquake-format loc file, which
2181         // allows comments, so add some relevant information at the start
2182         for (loc = cl.locnodes;loc;loc = loc->next)
2183                 if (!VectorCompare(loc->mins, loc->maxs))
2184                         break;
2185         if (loc)
2186         {
2187                 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);
2188                 for (loc = cl.locnodes;loc;loc = loc->next)
2189                         if (VectorCompare(loc->mins, loc->maxs))
2190                                 break;
2191                 if (loc)
2192                         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");
2193         }
2194         for (loc = cl.locnodes;loc;loc = loc->next)
2195         {
2196                 if (VectorCompare(loc->mins, loc->maxs))
2197                 {
2198                         int len;
2199                         const char *s;
2200                         const char *in = loc->name;
2201                         char name[MAX_INPUTLINE];
2202                         for (len = 0;len < (int)sizeof(name) - 1 && *in;)
2203                         {
2204                                 if (*in == ' ') {s = "$loc_name_separator";in++;}
2205                                 else if (!strncmp(in, "SSG", 3)) {s = "$loc_name_ssg";in += 3;}
2206                                 else if (!strncmp(in, "NG", 2)) {s = "$loc_name_ng";in += 2;}
2207                                 else if (!strncmp(in, "SNG", 3)) {s = "$loc_name_sng";in += 3;}
2208                                 else if (!strncmp(in, "GL", 2)) {s = "$loc_name_gl";in += 2;}
2209                                 else if (!strncmp(in, "RL", 2)) {s = "$loc_name_rl";in += 2;}
2210                                 else if (!strncmp(in, "LG", 2)) {s = "$loc_name_lg";in += 2;}
2211                                 else if (!strncmp(in, "GA", 2)) {s = "$loc_name_ga";in += 2;}
2212                                 else if (!strncmp(in, "YA", 2)) {s = "$loc_name_ya";in += 2;}
2213                                 else if (!strncmp(in, "RA", 2)) {s = "$loc_name_ra";in += 2;}
2214                                 else if (!strncmp(in, "MEGA", 4)) {s = "$loc_name_mh";in += 4;}
2215                                 else s = NULL;
2216                                 if (s)
2217                                 {
2218                                         while (len < (int)sizeof(name) - 1 && *s)
2219                                                 name[len++] = *s++;
2220                                         continue;
2221                                 }
2222                                 name[len++] = *in++;
2223                         }
2224                         name[len] = 0;
2225                         FS_Printf(outfile, "%.0f %.0f %.0f %s\n", loc->mins[0]*8, loc->mins[1]*8, loc->mins[2]*8, name);
2226                 }
2227                 else
2228                         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);
2229         }
2230         FS_Close(outfile);
2231 }
2232
2233 void CL_Locs_Reload_f(void)
2234 {
2235         int i, linenumber, limit, len;
2236         const char *s;
2237         char *filedata, *text, *textend, *linestart, *linetext, *lineend;
2238         fs_offset_t filesize;
2239         vec3_t mins, maxs;
2240         char locfilename[MAX_QPATH];
2241         char name[MAX_INPUTLINE];
2242
2243         if (cls.state != ca_connected || !cl.worldmodel)
2244         {
2245                 Con_Printf("No level loaded!\n");
2246                 return;
2247         }
2248
2249         CL_Locs_Clear_f();
2250
2251         // try maps/something.loc first (LordHavoc: where I think they should be)
2252         dpsnprintf(locfilename, sizeof(locfilename), "%s.loc", cl.worldnamenoextension);
2253         filedata = (char *)FS_LoadFile(locfilename, cls.levelmempool, false, &filesize);
2254         if (!filedata)
2255         {
2256                 // try proquake name as well (LordHavoc: I hate path mangling)
2257                 dpsnprintf(locfilename, sizeof(locfilename), "locs/%s.loc", cl.worldbasename);
2258                 filedata = (char *)FS_LoadFile(locfilename, cls.levelmempool, false, &filesize);
2259                 if (!filedata)
2260                         return;
2261         }
2262         text = filedata;
2263         textend = filedata + filesize;
2264         for (linenumber = 1;text < textend;linenumber++)
2265         {
2266                 linestart = text;
2267                 for (;text < textend && *text != '\r' && *text != '\n';text++)
2268                         ;
2269                 lineend = text;
2270                 if (text + 1 < textend && *text == '\r' && text[1] == '\n')
2271                         text++;
2272                 if (text < textend)
2273                         text++;
2274                 // trim trailing whitespace
2275                 while (lineend > linestart && ISWHITESPACE(lineend[-1]))
2276                         lineend--;
2277                 // trim leading whitespace
2278                 while (linestart < lineend && ISWHITESPACE(*linestart))
2279                         linestart++;
2280                 // check if this is a comment
2281                 if (linestart + 2 <= lineend && !strncmp(linestart, "//", 2))
2282                         continue;
2283                 linetext = linestart;
2284                 limit = 3;
2285                 for (i = 0;i < limit;i++)
2286                 {
2287                         if (linetext >= lineend)
2288                                 break;
2289                         // note: a missing number is interpreted as 0
2290                         if (i < 3)
2291                                 mins[i] = atof(linetext);
2292                         else
2293                                 maxs[i - 3] = atof(linetext);
2294                         // now advance past the number
2295                         while (linetext < lineend && !ISWHITESPACE(*linetext) && *linetext != ',')
2296                                 linetext++;
2297                         // advance through whitespace
2298                         if (linetext < lineend)
2299                         {
2300                                 if (*linetext == ',')
2301                                 {
2302                                         linetext++;
2303                                         limit = 6;
2304                                         // note: comma can be followed by whitespace
2305                                 }
2306                                 if (ISWHITESPACE(*linetext))
2307                                 {
2308                                         // skip whitespace
2309                                         while (linetext < lineend && ISWHITESPACE(*linetext))
2310                                                 linetext++;
2311                                 }
2312                         }
2313                 }
2314                 // if this is a quoted name, remove the quotes
2315                 if (i == 6)
2316                 {
2317                         if (linetext >= lineend || *linetext != '"')
2318                                 continue; // proquake location names are always quoted
2319                         lineend--;
2320                         linetext++;
2321                         len = min(lineend - linetext, (int)sizeof(name) - 1);
2322                         memcpy(name, linetext, len);
2323                         name[len] = 0;
2324                         // add the box to the list
2325                         CL_Locs_AddNode(mins, maxs, name);
2326                 }
2327                 // if a point was parsed, it needs to be scaled down by 8 (since
2328                 // point-based loc files were invented by a proxy which dealt
2329                 // directly with quake protocol coordinates, which are *8), turn
2330                 // it into a box
2331                 else if (i == 3)
2332                 {
2333                         // interpret silly fuhquake macros
2334                         for (len = 0;len < (int)sizeof(name) - 1 && linetext < lineend;)
2335                         {
2336                                 if (*linetext == '$')
2337                                 {
2338                                         if (linetext + 18 <= lineend && !strncmp(linetext, "$loc_name_separator", 19)) {s = " ";linetext += 19;}
2339                                         else if (linetext + 13 <= lineend && !strncmp(linetext, "$loc_name_ssg", 13)) {s = "SSG";linetext += 13;}
2340                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_ng", 12)) {s = "NG";linetext += 12;}
2341                                         else if (linetext + 13 <= lineend && !strncmp(linetext, "$loc_name_sng", 13)) {s = "SNG";linetext += 13;}
2342                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_gl", 12)) {s = "GL";linetext += 12;}
2343                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_rl", 12)) {s = "RL";linetext += 12;}
2344                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_lg", 12)) {s = "LG";linetext += 12;}
2345                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_ga", 12)) {s = "GA";linetext += 12;}
2346                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_ya", 12)) {s = "YA";linetext += 12;}
2347                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_ra", 12)) {s = "RA";linetext += 12;}
2348                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_mh", 12)) {s = "MEGA";linetext += 12;}
2349                                         else s = NULL;
2350                                         if (s)
2351                                         {
2352                                                 while (len < (int)sizeof(name) - 1 && *s)
2353                                                         name[len++] = *s++;
2354                                                 continue;
2355                                         }
2356                                 }
2357                                 name[len++] = *linetext++;
2358                         }
2359                         name[len] = 0;
2360                         // add the point to the list
2361                         VectorScale(mins, (1.0 / 8.0), mins);
2362                         CL_Locs_AddNode(mins, mins, name);
2363                 }
2364                 else
2365                         continue;
2366         }
2367 }
2368
2369 /*
2370 ===========
2371 CL_Shutdown
2372 ===========
2373 */
2374 void CL_Shutdown (void)
2375 {
2376         CL_Screen_Shutdown();
2377         CL_Particles_Shutdown();
2378         CL_Parse_Shutdown();
2379
2380         Mem_FreePool (&cls.permanentmempool);
2381         Mem_FreePool (&cls.levelmempool);
2382 }
2383
2384 /*
2385 =================
2386 CL_Init
2387 =================
2388 */
2389 void CL_Init (void)
2390 {
2391
2392         cls.levelmempool = Mem_AllocPool("client (per-level memory)", 0, NULL);
2393         cls.permanentmempool = Mem_AllocPool("client (long term memory)", 0, NULL);
2394
2395         memset(&r_refdef, 0, sizeof(r_refdef));
2396         // max entities sent to renderer per frame
2397         r_refdef.scene.maxentities = MAX_EDICTS + 256 + 512;
2398         r_refdef.scene.entities = (entity_render_t **)Mem_Alloc(cls.permanentmempool, sizeof(entity_render_t *) * r_refdef.scene.maxentities);
2399
2400         // max temp entities
2401         r_refdef.scene.maxtempentities = MAX_TEMPENTITIES;
2402         r_refdef.scene.tempentities = (entity_render_t *)Mem_Alloc(cls.permanentmempool, sizeof(entity_render_t) * r_refdef.scene.maxtempentities);
2403
2404         CL_InitInput ();
2405
2406 //
2407 // register our commands
2408 //
2409         Cvar_RegisterVariable (&cl_upspeed);
2410         Cvar_RegisterVariable (&cl_forwardspeed);
2411         Cvar_RegisterVariable (&cl_backspeed);
2412         Cvar_RegisterVariable (&cl_sidespeed);
2413         Cvar_RegisterVariable (&cl_movespeedkey);
2414         Cvar_RegisterVariable (&cl_yawspeed);
2415         Cvar_RegisterVariable (&cl_pitchspeed);
2416         Cvar_RegisterVariable (&cl_anglespeedkey);
2417         Cvar_RegisterVariable (&cl_shownet);
2418         Cvar_RegisterVariable (&cl_nolerp);
2419         Cvar_RegisterVariable (&cl_lerpexcess);
2420         Cvar_RegisterVariable (&cl_lerpanim_maxdelta_server);
2421         Cvar_RegisterVariable (&cl_lerpanim_maxdelta_framegroups);
2422         Cvar_RegisterVariable (&cl_deathfade);
2423         Cvar_RegisterVariable (&lookspring);
2424         Cvar_RegisterVariable (&lookstrafe);
2425         Cvar_RegisterVariable (&sensitivity);
2426         Cvar_RegisterVariable (&freelook);
2427
2428         Cvar_RegisterVariable (&m_pitch);
2429         Cvar_RegisterVariable (&m_yaw);
2430         Cvar_RegisterVariable (&m_forward);
2431         Cvar_RegisterVariable (&m_side);
2432
2433         Cvar_RegisterVariable (&cl_itembobspeed);
2434         Cvar_RegisterVariable (&cl_itembobheight);
2435
2436         Cmd_AddCommand ("entities", CL_PrintEntities_f, "print information on network entities known to client");
2437         Cmd_AddCommand ("disconnect", CL_Disconnect_f, "disconnect from server (or disconnect all clients if running a server)");
2438         Cmd_AddCommand ("record", CL_Record_f, "record a demo");
2439         Cmd_AddCommand ("stop", CL_Stop_f, "stop recording or playing a demo");
2440         Cmd_AddCommand ("playdemo", CL_PlayDemo_f, "watch a demo file");
2441         Cmd_AddCommand ("timedemo", CL_TimeDemo_f, "play back a demo as fast as possible and save statistics to benchmark.log");
2442
2443         // Support Client-side Model Index List
2444         Cmd_AddCommand ("cl_modelindexlist", CL_ModelIndexList_f, "list information on all models in the client modelindex");
2445         // Support Client-side Sound Index List
2446         Cmd_AddCommand ("cl_soundindexlist", CL_SoundIndexList_f, "list all sounds in the client soundindex");
2447
2448         Cvar_RegisterVariable (&cl_autodemo);
2449         Cvar_RegisterVariable (&cl_autodemo_nameformat);
2450         Cvar_RegisterVariable (&cl_autodemo_delete);
2451
2452         Cmd_AddCommand ("fog", CL_Fog_f, "set global fog parameters (density red green blue [alpha [mindist [maxdist [top [fadedepth]]]]])");
2453         Cmd_AddCommand ("fog_heighttexture", CL_Fog_HeightTexture_f, "set global fog parameters (density red green blue alpha mindist maxdist top depth textures/mapname/fogheight.tga)");
2454
2455         // LordHavoc: added pausedemo
2456         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)");
2457
2458         Cmd_AddCommand ("cl_areastats", CL_AreaStats_f, "prints statistics on entity culling during collision traces");
2459
2460         Cvar_RegisterVariable(&r_draweffects);
2461         Cvar_RegisterVariable(&cl_explosions_alpha_start);
2462         Cvar_RegisterVariable(&cl_explosions_alpha_end);
2463         Cvar_RegisterVariable(&cl_explosions_size_start);
2464         Cvar_RegisterVariable(&cl_explosions_size_end);
2465         Cvar_RegisterVariable(&cl_explosions_lifetime);
2466         Cvar_RegisterVariable(&cl_stainmaps);
2467         Cvar_RegisterVariable(&cl_stainmaps_clearonload);
2468         Cvar_RegisterVariable(&cl_beams_polygons);
2469         Cvar_RegisterVariable(&cl_beams_quakepositionhack);
2470         Cvar_RegisterVariable(&cl_beams_instantaimhack);
2471         Cvar_RegisterVariable(&cl_beams_lightatend);
2472         Cvar_RegisterVariable(&cl_noplayershadow);
2473         Cvar_RegisterVariable(&cl_dlights_decayradius);
2474         Cvar_RegisterVariable(&cl_dlights_decaybrightness);
2475
2476         Cvar_RegisterVariable(&cl_prydoncursor);
2477         Cvar_RegisterVariable(&cl_prydoncursor_notrace);
2478
2479         Cvar_RegisterVariable(&cl_deathnoviewmodel);
2480
2481         // for QW connections
2482         Cvar_RegisterVariable(&qport);
2483         Cvar_SetValueQuick(&qport, (rand() * RAND_MAX + rand()) & 0xffff);
2484
2485         Cmd_AddCommand("timerefresh", CL_TimeRefresh_f, "turn quickly and print rendering statistcs");
2486
2487         Cvar_RegisterVariable(&cl_locs_enable);
2488         Cvar_RegisterVariable(&cl_locs_show);
2489         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)");
2490         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)");
2491         Cmd_AddCommand("locs_clear", CL_Locs_Clear_f, "remove all loc points/boxes");
2492         Cmd_AddCommand("locs_reload", CL_Locs_Reload_f, "reload .loc file for this map");
2493         Cmd_AddCommand("locs_save", CL_Locs_Save_f, "save .loc file for this map containing currently defined points and boxes");
2494
2495         CL_Parse_Init();
2496         CL_Particles_Init();
2497         CL_Screen_Init();
2498
2499         CL_Video_Init();
2500         CL_Gecko_Init();
2501 }
2502
2503
2504