cl_main.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // cl_main.c  -- client main loop
  21
  22 #include "quakedef.h"
  23 #include "cl_collision.h"
  24 #include "cl_video.h"
  25 #include "image.h"
  26 #include "csprogs.h"
  27 #include "r_shadow.h"
  28 #include "libcurl.h"
  29 #include "snd_main.h"
  30
  31 // we need to declare some mouse variables here, because the menu system
  32 // references them even when on a unix system.
  33
  34 cvar_t csqc_progname = {0, "csqc_progname","csprogs.dat","name of csprogs.dat file to load"};
  35 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"};
  36 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"};
  37 cvar_t csqc_usedemoprogs = {0, "csqc_usedemoprogs","1","use csprogs stored in demos"};
  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_ClearState(void)
 108 {
 109         int i;
 110         entity_t *ent;
 111
 112         CL_VM_ShutDown();
 113
 114 // wipe the entire cl structure
 115         Mem_EmptyPool(cls.levelmempool);
 116         memset (&cl, 0, sizeof(cl));
 117
 118         S_StopAllSounds();
 119
 120         // reset the view zoom interpolation
 121         cl.mviewzoom[0] = cl.mviewzoom[1] = 1;
 122         cl.sensitivityscale = 1.0f;
 123
 124         // enable rendering of the world and such
 125         cl.csqc_vidvars.drawworld = r_drawworld.integer != 0;
 126         cl.csqc_vidvars.drawenginesbar = true;
 127         cl.csqc_vidvars.drawcrosshair = true;
 128
 129         // set up the float version of the stats array for easier access to float stats
 130         cl.statsf = (float *)cl.stats;
 131
 132         cl.num_entities = 0;
 133         cl.num_static_entities = 0;
 134         cl.num_brushmodel_entities = 0;
 135
 136         // tweak these if the game runs out
 137         cl.max_csqcrenderentities = 0;
 138         cl.max_entities = MAX_ENITIES_INITIAL;
 139         cl.max_static_entities = MAX_STATICENTITIES;
 140         cl.max_effects = MAX_EFFECTS;
 141         cl.max_beams = MAX_BEAMS;
 142         cl.max_dlights = MAX_DLIGHTS;
 143         cl.max_lightstyle = MAX_LIGHTSTYLES;
 144         cl.max_brushmodel_entities = MAX_EDICTS;
 145         cl.max_particles = MAX_PARTICLES_INITIAL; // grows dynamically
 146         cl.max_decals = MAX_DECALS_INITIAL; // grows dynamically
 147         cl.max_showlmps = 0;
 148
 149         cl.num_dlights = 0;
 150         cl.num_effects = 0;
 151         cl.num_beams = 0;
 152
 153         cl.csqcrenderentities = NULL;
 154         cl.entities = (entity_t *)Mem_Alloc(cls.levelmempool, cl.max_entities * sizeof(entity_t));
 155         cl.entities_active = (unsigned char *)Mem_Alloc(cls.levelmempool, cl.max_brushmodel_entities * sizeof(unsigned char));
 156         cl.static_entities = (entity_t *)Mem_Alloc(cls.levelmempool, cl.max_static_entities * sizeof(entity_t));
 157         cl.effects = (cl_effect_t *)Mem_Alloc(cls.levelmempool, cl.max_effects * sizeof(cl_effect_t));
 158         cl.beams = (beam_t *)Mem_Alloc(cls.levelmempool, cl.max_beams * sizeof(beam_t));
 159         cl.dlights = (dlight_t *)Mem_Alloc(cls.levelmempool, cl.max_dlights * sizeof(dlight_t));
 160         cl.lightstyle = (lightstyle_t *)Mem_Alloc(cls.levelmempool, cl.max_lightstyle * sizeof(lightstyle_t));
 161         cl.brushmodel_entities = (int *)Mem_Alloc(cls.levelmempool, cl.max_brushmodel_entities * sizeof(int));
 162         cl.particles = (particle_t *) Mem_Alloc(cls.levelmempool, cl.max_particles * sizeof(particle_t));
 163         cl.decals = (decal_t *) Mem_Alloc(cls.levelmempool, cl.max_decals * sizeof(decal_t));
 164         cl.showlmps = NULL;
 165
 166         // LordHavoc: have to set up the baseline info for alpha and other stuff
 167         for (i = 0;i < cl.max_entities;i++)
 168         {
 169                 cl.entities[i].state_baseline = defaultstate;
 170                 cl.entities[i].state_previous = defaultstate;
 171                 cl.entities[i].state_current = defaultstate;
 172         }
 173
 174         if (IS_NEXUIZ_DERIVED(gamemode))
 175         {
 176                 VectorSet(cl.playerstandmins, -16, -16, -24);
 177                 VectorSet(cl.playerstandmaxs, 16, 16, 45);
 178                 VectorSet(cl.playercrouchmins, -16, -16, -24);
 179                 VectorSet(cl.playercrouchmaxs, 16, 16, 25);
 180         }
 181         else
 182         {
 183                 VectorSet(cl.playerstandmins, -16, -16, -24);
 184                 VectorSet(cl.playerstandmaxs, 16, 16, 24);
 185                 VectorSet(cl.playercrouchmins, -16, -16, -24);
 186                 VectorSet(cl.playercrouchmaxs, 16, 16, 24);
 187         }
 188
 189         // disable until we get textures for it
 190         R_ResetSkyBox();
 191
 192         ent = &cl.entities[0];
 193         // entire entity array was cleared, so just fill in a few fields
 194         ent->state_current.active = true;
 195         ent->render.model = cl.worldmodel = NULL; // no world model yet
 196         ent->render.alpha = 1;
 197         ent->render.flags = RENDER_SHADOW | RENDER_LIGHT;
 198         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, 0, 0, 0, 0, 0, 0, 1);
 199         ent->render.allowdecals = true;
 200         CL_UpdateRenderEntity(&ent->render);
 201
 202         // noclip is turned off at start
 203         noclip_anglehack = false;
 204
 205         // mark all frames invalid for delta
 206         memset(cl.qw_deltasequence, -1, sizeof(cl.qw_deltasequence));
 207
 208         // set bestweapon data back to Quake data
 209         IN_BestWeapon_ResetData();
 210
 211         CL_Screen_NewMap();
 212 }
 213
 214 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet)
 215 {
 216         int i;
 217         qboolean fail = false;
 218         char vabuf[1024];
 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(vabuf, sizeof(vabuf), "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(vabuf, sizeof(vabuf), "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(vabuf, sizeof(vabuf), "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(vabuf, sizeof(vabuf), "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(vabuf, sizeof(vabuf), "rate \"%s\"", value));
 270                 }
 271                 else if (!strcasecmp(key, "rate_burstsize"))
 272                 {
 273                         MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
 274                         MSG_WriteString(&cls.netcon->message, va(vabuf, sizeof(vabuf), "rate_burstsize \"%s\"", value));
 275                 }
 276         }
 277 }
 278
 279 void CL_ExpandEntities(int num)
 280 {
 281         int i, oldmaxentities;
 282         entity_t *oldentities;
 283         if (num >= cl.max_entities)
 284         {
 285                 if (!cl.entities)
 286                         Sys_Error("CL_ExpandEntities: cl.entities not initialized");
 287                 if (num >= MAX_EDICTS)
 288                         Host_Error("CL_ExpandEntities: num %i >= %i", num, MAX_EDICTS);
 289                 oldmaxentities = cl.max_entities;
 290                 oldentities = cl.entities;
 291                 cl.max_entities = (num & ~255) + 256;
 292                 cl.entities = (entity_t *)Mem_Alloc(cls.levelmempool, cl.max_entities * sizeof(entity_t));
 293                 memcpy(cl.entities, oldentities, oldmaxentities * sizeof(entity_t));
 294                 Mem_Free(oldentities);
 295                 for (i = oldmaxentities;i < cl.max_entities;i++)
 296                 {
 297                         cl.entities[i].state_baseline = defaultstate;
 298                         cl.entities[i].state_previous = defaultstate;
 299                         cl.entities[i].state_current = defaultstate;
 300                 }
 301         }
 302 }
 303
 304 void CL_ExpandCSQCRenderEntities(int num)
 305 {
 306         int i;
 307         int oldmaxcsqcrenderentities;
 308         entity_render_t *oldcsqcrenderentities;
 309         if (num >= cl.max_csqcrenderentities)
 310         {
 311                 if (num >= MAX_EDICTS)
 312                         Host_Error("CL_ExpandEntities: num %i >= %i", num, MAX_EDICTS);
 313                 oldmaxcsqcrenderentities = cl.max_csqcrenderentities;
 314                 oldcsqcrenderentities = cl.csqcrenderentities;
 315                 cl.max_csqcrenderentities = (num & ~255) + 256;
 316                 cl.csqcrenderentities = (entity_render_t *)Mem_Alloc(cls.levelmempool, cl.max_csqcrenderentities * sizeof(entity_render_t));
 317                 if (oldcsqcrenderentities)
 318                 {
 319                         memcpy(cl.csqcrenderentities, oldcsqcrenderentities, oldmaxcsqcrenderentities * sizeof(entity_render_t));
 320                         for (i = 0;i < r_refdef.scene.numentities;i++)
 321                                 if(r_refdef.scene.entities[i] >= oldcsqcrenderentities && r_refdef.scene.entities[i] < (oldcsqcrenderentities + oldmaxcsqcrenderentities))
 322                                         r_refdef.scene.entities[i] = cl.csqcrenderentities + (r_refdef.scene.entities[i] - oldcsqcrenderentities);
 323                         Mem_Free(oldcsqcrenderentities);
 324                 }
 325         }
 326 }
 327
 328 /*
 329 =====================
 330 CL_Disconnect
 331
 332 Sends a disconnect message to the server
 333 This is also called on Host_Error, so it shouldn't cause any errors
 334 =====================
 335 */
 336 void CL_Disconnect(void)
 337 {
 338         if (cls.state == ca_dedicated)
 339                 return;
 340
 341         if (COM_CheckParm("-profilegameonly"))
 342                 Sys_AllowProfiling(false);
 343
 344         Curl_Clear_forthismap();
 345
 346         Con_DPrintf("CL_Disconnect\n");
 347
 348     Cvar_SetValueQuick(&csqc_progcrc, -1);
 349         Cvar_SetValueQuick(&csqc_progsize, -1);
 350         CL_VM_ShutDown();
 351 // stop sounds (especially looping!)
 352         S_StopAllSounds ();
 353
 354         cl.parsingtextexpectingpingforscores = 0; // just in case no reply has come yet
 355
 356         // clear contents blends
 357         cl.cshifts[0].percent = 0;
 358         cl.cshifts[1].percent = 0;
 359         cl.cshifts[2].percent = 0;
 360         cl.cshifts[3].percent = 0;
 361
 362         cl.worldmodel = NULL;
 363
 364         CL_Parse_ErrorCleanUp();
 365
 366         if (cls.demoplayback)
 367                 CL_StopPlayback();
 368         else if (cls.netcon)
 369         {
 370                 sizebuf_t buf;
 371                 unsigned char bufdata[8];
 372                 if (cls.demorecording)
 373                         CL_Stop_f();
 374
 375                 // send disconnect message 3 times to improve chances of server
 376                 // receiving it (but it still fails sometimes)
 377                 memset(&buf, 0, sizeof(buf));
 378                 buf.data = bufdata;
 379                 buf.maxsize = sizeof(bufdata);
 380                 if (cls.protocol == PROTOCOL_QUAKEWORLD)
 381                 {
 382                         Con_DPrint("Sending drop command\n");
 383                         MSG_WriteByte(&buf, qw_clc_stringcmd);
 384                         MSG_WriteString(&buf, "drop");
 385                 }
 386                 else
 387                 {
 388                         Con_DPrint("Sending clc_disconnect\n");
 389                         MSG_WriteByte(&buf, clc_disconnect);
 390                 }
 391                 NetConn_SendUnreliableMessage(cls.netcon, &buf, cls.protocol, 10000, 0, false);
 392                 NetConn_SendUnreliableMessage(cls.netcon, &buf, cls.protocol, 10000, 0, false);
 393                 NetConn_SendUnreliableMessage(cls.netcon, &buf, cls.protocol, 10000, 0, false);
 394                 NetConn_Close(cls.netcon);
 395                 cls.netcon = NULL;
 396         }
 397         cls.state = ca_disconnected;
 398         cl.islocalgame = false;
 399
 400         cls.demoplayback = cls.timedemo = false;
 401         cls.signon = 0;
 402 }
 403
 404 void CL_Disconnect_f(void)
 405 {
 406         CL_Disconnect ();
 407         if (sv.active)
 408                 Host_ShutdownServer ();
 409 }
 410
 411
 412
 413
 414 /*
 415 =====================
 416 CL_EstablishConnection
 417
 418 Host should be either "local" or a net address
 419 =====================
 420 */
 421 void CL_EstablishConnection(const char *host, int firstarg)
 422 {
 423         if (cls.state == ca_dedicated)
 424                 return;
 425
 426         // don't connect to a server if we're benchmarking a demo
 427         if (COM_CheckParm("-benchmark"))
 428                 return;
 429
 430         // clear menu's connect error message
 431 #ifdef CONFIG_MENU
 432         M_Update_Return_Reason("");
 433 #endif
 434         cls.demonum = -1;
 435
 436         // stop demo loop in case this fails
 437         if (cls.demoplayback)
 438                 CL_StopPlayback();
 439
 440         // if downloads are running, cancel their finishing action
 441         Curl_Clear_forthismap();
 442
 443         // make sure the client ports are open before attempting to connect
 444         NetConn_UpdateSockets();
 445
 446         if (LHNETADDRESS_FromString(&cls.connect_address, host, 26000) && (cls.connect_mysocket = NetConn_ChooseClientSocketForAddress(&cls.connect_address)))
 447         {
 448                 cls.connect_trying = true;
 449                 cls.connect_remainingtries = 3;
 450                 cls.connect_nextsendtime = 0;
 451
 452                 // only NOW, set connect_userinfo
 453                 if(firstarg >= 0)
 454                 {
 455                         int i;
 456                         *cls.connect_userinfo = 0;
 457                         for(i = firstarg; i+2 <= Cmd_Argc(); i += 2)
 458                                 InfoString_SetValue(cls.connect_userinfo, sizeof(cls.connect_userinfo), Cmd_Argv(i), Cmd_Argv(i+1));
 459                 }
 460                 else if(firstarg < -1)
 461                 {
 462                         // -1: keep as is (reconnect)
 463                         // -2: clear
 464                         *cls.connect_userinfo = 0;
 465                 }
 466
 467 #ifdef CONFIG_MENU
 468                 M_Update_Return_Reason("Trying to connect...");
 469 #endif
 470         }
 471         else
 472         {
 473                 Con_Print("Unable to find a suitable network socket to connect to server.\n");
 474 #ifdef CONFIG_MENU
 475                 M_Update_Return_Reason("No network");
 476 #endif
 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)
 524                         continue;
 525                 if(model->loaded || i == 1)
 526                         Con_Printf("%3i: %-30s %-8s %-10i\n", i, model->name, model->modeldatatypestring, model->surfmesh.num_triangles);
 527                 else
 528                         Con_Printf("%3i: %-30s %-30s\n", i, model->name, "--no local model found--");
 529                 i++;
 530         }
 531 }
 532
 533 /*
 534 ===============
 535 CL_SoundIndexList_f
 536
 537 List all sounds in the client soundindex
 538 ===============
 539 */
 540 static void CL_SoundIndexList_f(void)
 541 {
 542         int i = 1;
 543
 544         while(cl.sound_precache[i] && i != MAX_SOUNDS)
 545         { // Valid Sound
 546                 Con_Printf("%i : %s\n", i, cl.sound_precache[i]->name);
 547                 i++;
 548         }
 549 }
 550
 551 /*
 552 ===============
 553 CL_UpdateRenderEntity
 554
 555 Updates inversematrix, animation interpolation factors, scale, and mins/maxs
 556 ===============
 557 */
 558 void CL_UpdateRenderEntity(entity_render_t *ent)
 559 {
 560         vec3_t org;
 561         vec_t scale;
 562         dp_model_t *model = ent->model;
 563         // update the inverse matrix for the renderer
 564         Matrix4x4_Invert_Simple(&ent->inversematrix, &ent->matrix);
 565         // update the animation blend state
 566         VM_FrameBlendFromFrameGroupBlend(ent->frameblend, ent->framegroupblend, ent->model, cl.time);
 567         // we need the matrix origin to center the box
 568         Matrix4x4_OriginFromMatrix(&ent->matrix, org);
 569         // update entity->render.scale because the renderer needs it
 570         ent->scale = scale = Matrix4x4_ScaleFromMatrix(&ent->matrix);
 571         if (model)
 572         {
 573                 // NOTE: this directly extracts vector components from the matrix, which relies on the matrix orientation!
 574 #ifdef MATRIX4x4_OPENGLORIENTATION
 575                 if (ent->matrix.m[0][2] != 0 || ent->matrix.m[1][2] != 0)
 576 #else
 577                 if (ent->matrix.m[2][0] != 0 || ent->matrix.m[2][1] != 0)
 578 #endif
 579                 {
 580                         // pitch or roll
 581                         VectorMA(org, scale, model->rotatedmins, ent->mins);
 582                         VectorMA(org, scale, model->rotatedmaxs, ent->maxs);
 583                 }
 584 #ifdef MATRIX4x4_OPENGLORIENTATION
 585                 else if (ent->matrix.m[1][0] != 0 || ent->matrix.m[0][1] != 0)
 586 #else
 587                 else if (ent->matrix.m[0][1] != 0 || ent->matrix.m[1][0] != 0)
 588 #endif
 589                 {
 590                         // yaw
 591                         VectorMA(org, scale, model->yawmins, ent->mins);
 592                         VectorMA(org, scale, model->yawmaxs, ent->maxs);
 593                 }
 594                 else
 595                 {
 596                         VectorMA(org, scale, model->normalmins, ent->mins);
 597                         VectorMA(org, scale, model->normalmaxs, ent->maxs);
 598                 }
 599         }
 600         else
 601         {
 602                 ent->mins[0] = org[0] - 16;
 603                 ent->mins[1] = org[1] - 16;
 604                 ent->mins[2] = org[2] - 16;
 605                 ent->maxs[0] = org[0] + 16;
 606                 ent->maxs[1] = org[1] + 16;
 607                 ent->maxs[2] = org[2] + 16;
 608         }
 609 }
 610
 611 /*
 612 ===============
 613 CL_LerpPoint
 614
 615 Determines the fraction between the last two messages that the objects
 616 should be put at.
 617 ===============
 618 */
 619 static float CL_LerpPoint(void)
 620 {
 621         float f;
 622
 623         if (cl_nettimesyncboundmode.integer == 1)
 624                 cl.time = bound(cl.mtime[1], cl.time, cl.mtime[0]);
 625
 626         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 627         if (cl.mtime[0] <= cl.mtime[1])
 628         {
 629                 cl.time = cl.mtime[0];
 630                 return 1;
 631         }
 632
 633         f = (cl.time - cl.mtime[1]) / (cl.mtime[0] - cl.mtime[1]);
 634         return bound(0, f, 1 + cl_lerpexcess.value);
 635 }
 636
 637 void CL_ClearTempEntities (void)
 638 {
 639         r_refdef.scene.numtempentities = 0;
 640         // grow tempentities buffer on request
 641         if (r_refdef.scene.expandtempentities)
 642         {
 643                 Con_Printf("CL_NewTempEntity: grow maxtempentities from %i to %i\n", r_refdef.scene.maxtempentities, r_refdef.scene.maxtempentities * 2);
 644                 r_refdef.scene.maxtempentities *= 2;
 645                 r_refdef.scene.tempentities = (entity_render_t *)Mem_Realloc(cls.permanentmempool, r_refdef.scene.tempentities, sizeof(entity_render_t) * r_refdef.scene.maxtempentities);
 646                 r_refdef.scene.expandtempentities = false;
 647         }
 648 }
 649
 650 entity_render_t *CL_NewTempEntity(double shadertime)
 651 {
 652         entity_render_t *render;
 653
 654         if (r_refdef.scene.numentities >= r_refdef.scene.maxentities)
 655                 return NULL;
 656         if (r_refdef.scene.numtempentities >= r_refdef.scene.maxtempentities)
 657         {
 658                 r_refdef.scene.expandtempentities = true; // will be reallocated next frame since current frame may have pointers set already
 659                 return NULL;
 660         }
 661         render = &r_refdef.scene.tempentities[r_refdef.scene.numtempentities++];
 662         memset (render, 0, sizeof(*render));
 663         r_refdef.scene.entities[r_refdef.scene.numentities++] = render;
 664
 665         render->shadertime = shadertime;
 666         render->alpha = 1;
 667         VectorSet(render->colormod, 1, 1, 1);
 668         VectorSet(render->glowmod, 1, 1, 1);
 669         return render;
 670 }
 671
 672 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
 673 {
 674         int i;
 675         cl_effect_t *e;
 676         if (!modelindex) // sanity check
 677                 return;
 678         if (framerate < 1)
 679         {
 680                 Con_Printf("CL_Effect: framerate %f is < 1\n", framerate);
 681                 return;
 682         }
 683         if (framecount < 1)
 684         {
 685                 Con_Printf("CL_Effect: framecount %i is < 1\n", framecount);
 686                 return;
 687         }
 688         for (i = 0, e = cl.effects;i < cl.max_effects;i++, e++)
 689         {
 690                 if (e->active)
 691                         continue;
 692                 e->active = true;
 693                 VectorCopy(org, e->origin);
 694                 e->modelindex = modelindex;
 695                 e->starttime = cl.time;
 696                 e->startframe = startframe;
 697                 e->endframe = startframe + framecount;
 698                 e->framerate = framerate;
 699
 700                 e->frame = 0;
 701                 e->frame1time = cl.time;
 702                 e->frame2time = cl.time;
 703                 cl.num_effects = max(cl.num_effects, i + 1);
 704                 break;
 705         }
 706 }
 707
 708 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)
 709 {
 710         int i;
 711         dlight_t *dl;
 712
 713 // then look for anything else
 714         dl = cl.dlights;
 715         for (i = 0;i < cl.max_dlights;i++, dl++)
 716                 if (!dl->radius)
 717                         break;
 718
 719         // unable to find one
 720         if (i == cl.max_dlights)
 721                 return;
 722
 723         //Con_Printf("dlight %i : %f %f %f : %f %f %f\n", i, org[0], org[1], org[2], red * radius, green * radius, blue * radius);
 724         memset (dl, 0, sizeof(*dl));
 725         cl.num_dlights = max(cl.num_dlights, i + 1);
 726         Matrix4x4_Normalize(&dl->matrix, matrix);
 727         dl->ent = ent;
 728         Matrix4x4_OriginFromMatrix(&dl->matrix, dl->origin);
 729         CL_FindNonSolidLocation(dl->origin, dl->origin, 6);
 730         Matrix4x4_SetOrigin(&dl->matrix, dl->origin[0], dl->origin[1], dl->origin[2]);
 731         dl->radius = radius;
 732         dl->color[0] = red;
 733         dl->color[1] = green;
 734         dl->color[2] = blue;
 735         dl->initialradius = radius;
 736         dl->initialcolor[0] = red;
 737         dl->initialcolor[1] = green;
 738         dl->initialcolor[2] = blue;
 739         dl->decay = decay / radius; // changed decay to be a percentage decrease
 740         dl->intensity = 1; // this is what gets decayed
 741         if (lifetime)
 742                 dl->die = cl.time + lifetime;
 743         else
 744                 dl->die = 0;
 745         if (cubemapnum > 0)
 746                 dpsnprintf(dl->cubemapname, sizeof(dl->cubemapname), "cubemaps/%i", cubemapnum);
 747         else
 748                 dl->cubemapname[0] = 0;
 749         dl->style = style;
 750         dl->shadow = shadowenable;
 751         dl->corona = corona;
 752         dl->flags = flags;
 753         dl->coronasizescale = coronasizescale;
 754         dl->ambientscale = ambientscale;
 755         dl->diffusescale = diffusescale;
 756         dl->specularscale = specularscale;
 757 }
 758
 759 static void CL_DecayLightFlashes(void)
 760 {
 761         int i, oldmax;
 762         dlight_t *dl;
 763         float time;
 764
 765         time = bound(0, cl.time - cl.oldtime, 0.1);
 766         oldmax = cl.num_dlights;
 767         cl.num_dlights = 0;
 768         for (i = 0, dl = cl.dlights;i < oldmax;i++, dl++)
 769         {
 770                 if (dl->radius)
 771                 {
 772                         dl->intensity -= time * dl->decay;
 773                         if (cl.time < dl->die && dl->intensity > 0)
 774                         {
 775                                 if (cl_dlights_decayradius.integer)
 776                                         dl->radius = dl->initialradius * dl->intensity;
 777                                 else
 778                                         dl->radius = dl->initialradius;
 779                                 if (cl_dlights_decaybrightness.integer)
 780                                         VectorScale(dl->initialcolor, dl->intensity, dl->color);
 781                                 else
 782                                         VectorCopy(dl->initialcolor, dl->color);
 783                                 cl.num_dlights = i + 1;
 784                         }
 785                         else
 786                                 dl->radius = 0;
 787                 }
 788         }
 789 }
 790
 791 // called before entity relinking
 792 void CL_RelinkLightFlashes(void)
 793 {
 794         int i, j, k, l;
 795         dlight_t *dl;
 796         float frac, f;
 797         matrix4x4_t tempmatrix;
 798
 799         if (r_dynamic.integer)
 800         {
 801                 for (i = 0, dl = cl.dlights;i < cl.num_dlights && r_refdef.scene.numlights < MAX_DLIGHTS;i++, dl++)
 802                 {
 803                         if (dl->radius)
 804                         {
 805                                 tempmatrix = dl->matrix;
 806                                 Matrix4x4_Scale(&tempmatrix, dl->radius, 1);
 807                                 // we need the corona fading to be persistent
 808                                 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);
 809                                 r_refdef.scene.lights[r_refdef.scene.numlights++] = &dl->rtlight;
 810                         }
 811                 }
 812         }
 813
 814         if (!cl.lightstyle)
 815         {
 816                 for (j = 0;j < cl.max_lightstyle;j++)
 817                 {
 818                         r_refdef.scene.rtlightstylevalue[j] = 1;
 819                         r_refdef.scene.lightstylevalue[j] = 256;
 820                 }
 821                 return;
 822         }
 823
 824 // light animations
 825 // 'm' is normal light, 'a' is no light, 'z' is double bright
 826         f = cl.time * 10;
 827         i = (int)floor(f);
 828         frac = f - i;
 829         for (j = 0;j < cl.max_lightstyle;j++)
 830         {
 831                 if (!cl.lightstyle[j].length)
 832                 {
 833                         r_refdef.scene.rtlightstylevalue[j] = 1;
 834                         r_refdef.scene.lightstylevalue[j] = 256;
 835                         continue;
 836                 }
 837                 // static lightstyle "=value"
 838                 if (cl.lightstyle[j].map[0] == '=')
 839                 {
 840                         r_refdef.scene.rtlightstylevalue[j] = atof(cl.lightstyle[j].map + 1);
 841                         if ( r_lerplightstyles.integer || ((int)f - f) < 0.01)
 842                                 r_refdef.scene.lightstylevalue[j] = r_refdef.scene.rtlightstylevalue[j];
 843                         continue;
 844                 }
 845                 k = i % cl.lightstyle[j].length;
 846                 l = (i-1) % cl.lightstyle[j].length;
 847                 k = cl.lightstyle[j].map[k] - 'a';
 848                 l = cl.lightstyle[j].map[l] - 'a';
 849                 // rtlightstylevalue is always interpolated because it has no bad
 850                 // consequences for performance
 851                 // lightstylevalue is subject to a cvar for performance reasons;
 852                 // skipping lightmap updates on most rendered frames substantially
 853                 // improves framerates (but makes light fades look bad)
 854                 r_refdef.scene.rtlightstylevalue[j] = ((k*frac)+(l*(1-frac)))*(22/256.0f);
 855                 r_refdef.scene.lightstylevalue[j] = r_lerplightstyles.integer ? (unsigned short)(((k*frac)+(l*(1-frac)))*22) : k*22;
 856         }
 857 }
 858
 859 static void CL_AddQWCTFFlagModel(entity_t *player, int skin)
 860 {
 861         int frame = player->render.framegroupblend[0].frame;
 862         float f;
 863         entity_render_t *flagrender;
 864         matrix4x4_t flagmatrix;
 865
 866         // this code taken from QuakeWorld
 867         f = 14;
 868         if (frame >= 29 && frame <= 40)
 869         {
 870                 if (frame >= 29 && frame <= 34)
 871                 { //axpain
 872                         if      (frame == 29) f = f + 2;
 873                         else if (frame == 30) f = f + 8;
 874                         else if (frame == 31) f = f + 12;
 875                         else if (frame == 32) f = f + 11;
 876                         else if (frame == 33) f = f + 10;
 877                         else if (frame == 34) f = f + 4;
 878                 }
 879                 else if (frame >= 35 && frame <= 40)
 880                 { // pain
 881                         if      (frame == 35) f = f + 2;
 882                         else if (frame == 36) f = f + 10;
 883                         else if (frame == 37) f = f + 10;
 884                         else if (frame == 38) f = f + 8;
 885                         else if (frame == 39) f = f + 4;
 886                         else if (frame == 40) f = f + 2;
 887                 }
 888         }
 889         else if (frame >= 103 && frame <= 118)
 890         {
 891                 if      (frame >= 103 && frame <= 104) f = f + 6;  //nailattack
 892                 else if (frame >= 105 && frame <= 106) f = f + 6;  //light
 893                 else if (frame >= 107 && frame <= 112) f = f + 7;  //rocketattack
 894                 else if (frame >= 112 && frame <= 118) f = f + 7;  //shotattack
 895         }
 896         // end of code taken from QuakeWorld
 897
 898         flagrender = CL_NewTempEntity(player->render.shadertime);
 899         if (!flagrender)
 900                 return;
 901
 902         flagrender->model = CL_GetModelByIndex(cl.qw_modelindex_flag);
 903         flagrender->skinnum = skin;
 904         flagrender->alpha = 1;
 905         VectorSet(flagrender->colormod, 1, 1, 1);
 906         VectorSet(flagrender->glowmod, 1, 1, 1);
 907         // attach the flag to the player matrix
 908         Matrix4x4_CreateFromQuakeEntity(&flagmatrix, -f, -22, 0, 0, 0, -45, 1);
 909         Matrix4x4_Concat(&flagrender->matrix, &player->render.matrix, &flagmatrix);
 910         CL_UpdateRenderEntity(flagrender);
 911 }
 912
 913 matrix4x4_t viewmodelmatrix_withbob;
 914 matrix4x4_t viewmodelmatrix_nobob;
 915
 916 static const vec3_t muzzleflashorigin = {18, 0, 0};
 917
 918 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap)
 919 {
 920         const unsigned char *cbcolor;
 921         if (colormap >= 0)
 922         {
 923                 cbcolor = palette_rgb_pantscolormap[colormap & 0xF];
 924                 VectorScale(cbcolor, (1.0f / 255.0f), ent->colormap_pantscolor);
 925                 cbcolor = palette_rgb_shirtcolormap[(colormap & 0xF0) >> 4];
 926                 VectorScale(cbcolor, (1.0f / 255.0f), ent->colormap_shirtcolor);
 927         }
 928         else
 929         {
 930                 VectorClear(ent->colormap_pantscolor);
 931                 VectorClear(ent->colormap_shirtcolor);
 932         }
 933 }
 934
 935 // note this is a recursive function, recursionlimit should be 32 or so on the initial call
 936 static void CL_UpdateNetworkEntity(entity_t *e, int recursionlimit, qboolean interpolate)
 937 {
 938         const matrix4x4_t *matrix;
 939         matrix4x4_t blendmatrix, tempmatrix, matrix2;
 940         int frame;
 941         vec_t origin[3], angles[3], lerp;
 942         entity_t *t;
 943         entity_render_t *r;
 944         //entity_persistent_t *p = &e->persistent;
 945         //entity_render_t *r = &e->render;
 946         // skip inactive entities and world
 947         if (!e->state_current.active || e == cl.entities)
 948                 return;
 949         if (recursionlimit < 1)
 950                 return;
 951         e->render.alpha = e->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 952         e->render.scale = e->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 953         e->render.flags = e->state_current.flags;
 954         e->render.effects = e->state_current.effects;
 955         VectorScale(e->state_current.colormod, (1.0f / 32.0f), e->render.colormod);
 956         VectorScale(e->state_current.glowmod, (1.0f / 32.0f), e->render.glowmod);
 957         if(e >= cl.entities && e < cl.entities + cl.num_entities)
 958                 e->render.entitynumber = e - cl.entities;
 959         else
 960                 e->render.entitynumber = 0;
 961         if (e->state_current.flags & RENDER_COLORMAPPED)
 962                 CL_SetEntityColormapColors(&e->render, e->state_current.colormap);
 963         else if (e->state_current.colormap > 0 && e->state_current.colormap <= cl.maxclients && cl.scores != NULL)
 964                 CL_SetEntityColormapColors(&e->render, cl.scores[e->state_current.colormap-1].colors);
 965         else
 966                 CL_SetEntityColormapColors(&e->render, -1);
 967         e->render.skinnum = e->state_current.skin;
 968         if (e->state_current.tagentity)
 969         {
 970                 // attached entity (gun held in player model's hand, etc)
 971                 // if the tag entity is currently impossible, skip it
 972                 if (e->state_current.tagentity >= cl.num_entities)
 973                         return;
 974                 t = cl.entities + e->state_current.tagentity;
 975                 // if the tag entity is inactive, skip it
 976                 if (t->state_current.active)
 977                 {
 978                         // update the parent first
 979                         CL_UpdateNetworkEntity(t, recursionlimit - 1, interpolate);
 980                         r = &t->render;
 981                 }
 982                 else
 983                 {
 984                         // it may still be a CSQC entity... trying to use its
 985                         // info from last render frame (better than nothing)
 986                         if(!cl.csqc_server2csqcentitynumber[e->state_current.tagentity])
 987                                 return;
 988                         r = cl.csqcrenderentities + cl.csqc_server2csqcentitynumber[e->state_current.tagentity];
 989                         if(!r->entitynumber)
 990                                 return; // neither CSQC nor legacy entity... can't attach
 991                 }
 992                 // make relative to the entity
 993                 matrix = &r->matrix;
 994                 // some properties of the tag entity carry over
 995                 e->render.flags |= r->flags & (RENDER_EXTERIORMODEL | RENDER_VIEWMODEL);
 996                 // if a valid tagindex is used, make it relative to that tag instead
 997                 if (e->state_current.tagentity && e->state_current.tagindex >= 1 && r->model)
 998                 {
 999                         if(!Mod_Alias_GetTagMatrix(r->model, r->frameblend, r->skeleton, e->state_current.tagindex - 1, &blendmatrix)) // i.e. no error
1000                         {
1001                                 // concat the tag matrices onto the entity matrix
1002                                 Matrix4x4_Concat(&tempmatrix, &r->matrix, &blendmatrix);
1003                                 // use the constructed tag matrix
1004                                 matrix = &tempmatrix;
1005                         }
1006                 }
1007         }
1008         else if (e->render.flags & RENDER_VIEWMODEL)
1009         {
1010                 // view-relative entity (guns and such)
1011                 if (e->render.effects & EF_NOGUNBOB)
1012                         matrix = &viewmodelmatrix_nobob; // really attached to view
1013                 else
1014                         matrix = &viewmodelmatrix_withbob; // attached to gun bob matrix
1015         }
1016         else
1017         {
1018                 // world-relative entity (the normal kind)
1019                 matrix = &identitymatrix;
1020         }
1021
1022         // movement lerp
1023         // if it's the predicted player entity, update according to client movement
1024         // but don't lerp if going through a teleporter as it causes a bad lerp
1025         // also don't use the predicted location if fixangle was set on both of
1026         // the most recent server messages, as that cause means you are spectating
1027         // someone or watching a cutscene of some sort
1028         if (cl_nolerp.integer || cls.timedemo)
1029                 interpolate = false;
1030         if (e == cl.entities + cl.playerentity && cl.movement_predicted && (!cl.fixangle[1] || !cl.fixangle[0]))
1031         {
1032                 VectorCopy(cl.movement_origin, origin);
1033                 VectorSet(angles, 0, cl.viewangles[1], 0);
1034         }
1035         else if (interpolate && e->persistent.lerpdeltatime > 0 && (lerp = (cl.time - e->persistent.lerpstarttime) / e->persistent.lerpdeltatime) < 1 + cl_lerpexcess.value)
1036         {
1037                 // interpolate the origin and angles
1038                 lerp = max(0, lerp);
1039                 VectorLerp(e->persistent.oldorigin, lerp, e->persistent.neworigin, origin);
1040 #if 0
1041                 // this fails at the singularity of euler angles
1042                 VectorSubtract(e->persistent.newangles, e->persistent.oldangles, delta);
1043                 if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
1044                 if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
1045                 if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
1046                 VectorMA(e->persistent.oldangles, lerp, delta, angles);
1047 #else
1048                 {
1049                         vec3_t f0, u0, f1, u1;
1050                         AngleVectors(e->persistent.oldangles, f0, NULL, u0);
1051                         AngleVectors(e->persistent.newangles, f1, NULL, u1);
1052                         VectorMAM(1-lerp, f0, lerp, f1, f0);
1053                         VectorMAM(1-lerp, u0, lerp, u1, u0);
1054                         AnglesFromVectors(angles, f0, u0, false);
1055                 }
1056 #endif
1057         }
1058         else
1059         {
1060                 // no interpolation
1061                 VectorCopy(e->persistent.neworigin, origin);
1062                 VectorCopy(e->persistent.newangles, angles);
1063         }
1064
1065         // model setup and some modelflags
1066         frame = e->state_current.frame;
1067         e->render.model = CL_GetModelByIndex(e->state_current.modelindex);
1068         if (e->render.model)
1069         {
1070                 if (e->render.skinnum >= e->render.model->numskins)
1071                         e->render.skinnum = 0;
1072                 if (frame >= e->render.model->numframes)
1073                         frame = 0;
1074                 // models can set flags such as EF_ROCKET
1075                 // this 0xFF800000 mask is EF_NOMODELFLAGS plus all the higher EF_ flags such as EF_ROCKET
1076                 if (!(e->render.effects & 0xFF800000))
1077                         e->render.effects |= e->render.model->effects;
1078                 // if model is alias or this is a tenebrae-like dlight, reverse pitch direction
1079                 if (e->render.model->type == mod_alias)
1080                         angles[0] = -angles[0];
1081                 if ((e->render.effects & EF_SELECTABLE) && cl.cmd.cursor_entitynumber == e->state_current.number)
1082                 {
1083                         VectorScale(e->render.colormod, 2, e->render.colormod);
1084                         VectorScale(e->render.glowmod, 2, e->render.glowmod);
1085                 }
1086         }
1087         // if model is alias or this is a tenebrae-like dlight, reverse pitch direction
1088         else if (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC)
1089                 angles[0] = -angles[0];
1090                 // NOTE: this must be synced to SV_GetPitchSign!
1091
1092         if ((e->render.effects & EF_ROTATE) && !(e->render.flags & RENDER_VIEWMODEL))
1093         {
1094                 angles[1] = ANGLEMOD(100*cl.time);
1095                 if (cl_itembobheight.value)
1096                         origin[2] += (cos(cl.time * cl_itembobspeed.value * (2.0 * M_PI)) + 1.0) * 0.5 * cl_itembobheight.value;
1097         }
1098
1099         // animation lerp
1100         e->render.skeleton = NULL;
1101         if (e->render.flags & RENDER_COMPLEXANIMATION)
1102         {
1103                 e->render.framegroupblend[0] = e->state_current.framegroupblend[0];
1104                 e->render.framegroupblend[1] = e->state_current.framegroupblend[1];
1105                 e->render.framegroupblend[2] = e->state_current.framegroupblend[2];
1106                 e->render.framegroupblend[3] = e->state_current.framegroupblend[3];
1107                 if (e->state_current.skeletonobject.model && e->state_current.skeletonobject.relativetransforms)
1108                         e->render.skeleton = &e->state_current.skeletonobject;
1109         }
1110         else if (e->render.framegroupblend[0].frame == frame)
1111         {
1112                 // update frame lerp fraction
1113                 e->render.framegroupblend[0].lerp = 1;
1114                 e->render.framegroupblend[1].lerp = 0;
1115                 if (e->render.framegroupblend[0].start > e->render.framegroupblend[1].start)
1116                 {
1117                         // make sure frame lerp won't last longer than 100ms
1118                         // (this mainly helps with models that use framegroups and
1119                         // switch between them infrequently)
1120                         float maxdelta = cl_lerpanim_maxdelta_server.value;
1121                         if(e->render.model)
1122                         if(e->render.model->animscenes)
1123                         if(e->render.model->animscenes[e->render.framegroupblend[0].frame].framecount > 1 || e->render.model->animscenes[e->render.framegroupblend[1].frame].framecount > 1)
1124                                 maxdelta = cl_lerpanim_maxdelta_framegroups.value;
1125                         maxdelta = max(maxdelta, cl.mtime[0] - cl.mtime[1]);
1126                         e->render.framegroupblend[0].lerp = (cl.time - e->render.framegroupblend[0].start) / min(e->render.framegroupblend[0].start - e->render.framegroupblend[1].start, maxdelta);
1127                         e->render.framegroupblend[0].lerp = bound(0, e->render.framegroupblend[0].lerp, 1);
1128                         e->render.framegroupblend[1].lerp = 1 - e->render.framegroupblend[0].lerp;
1129                 }
1130         }
1131         else
1132         {
1133                 // begin a new frame lerp
1134                 e->render.framegroupblend[1] = e->render.framegroupblend[0];
1135                 e->render.framegroupblend[1].lerp = 1;
1136                 e->render.framegroupblend[0].frame = frame;
1137                 e->render.framegroupblend[0].start = cl.time;
1138                 e->render.framegroupblend[0].lerp = 0;
1139         }
1140
1141         // set up the render matrix
1142         if (matrix)
1143         {
1144                 // attached entity, this requires a matrix multiply (concat)
1145                 // FIXME: e->render.scale should go away
1146                 Matrix4x4_CreateFromQuakeEntity(&matrix2, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
1147                 // concat the matrices to make the entity relative to its tag
1148                 Matrix4x4_Concat(&e->render.matrix, matrix, &matrix2);
1149                 // get the origin from the new matrix
1150                 Matrix4x4_OriginFromMatrix(&e->render.matrix, origin);
1151         }
1152         else
1153         {
1154                 // unattached entities are faster to process
1155                 Matrix4x4_CreateFromQuakeEntity(&e->render.matrix, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
1156         }
1157
1158         // tenebrae's sprites are all additive mode (weird)
1159         if (gamemode == GAME_TENEBRAE && e->render.model && e->render.model->type == mod_sprite)
1160                 e->render.flags |= RENDER_ADDITIVE;
1161         // player model is only shown with chase_active on
1162         if (e->state_current.number == cl.viewentity)
1163                 e->render.flags |= RENDER_EXTERIORMODEL;
1164         // either fullbright or lit
1165         if(!r_fullbright.integer)
1166         {
1167                 if (!(e->render.effects & EF_FULLBRIGHT))
1168                         e->render.flags |= RENDER_LIGHT;
1169                 else if(r_equalize_entities_fullbright.integer)
1170                         e->render.flags |= RENDER_LIGHT | RENDER_EQUALIZE;
1171         }
1172         // hide player shadow during intermission or nehahra movie
1173         if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
1174          && (e->render.alpha >= 1)
1175          && !(e->render.flags & RENDER_VIEWMODEL)
1176          && (!(e->render.flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
1177                 e->render.flags |= RENDER_SHADOW;
1178         if (e->render.flags & RENDER_VIEWMODEL)
1179                 e->render.flags |= RENDER_NOSELFSHADOW;
1180         if (e->render.effects & EF_NOSELFSHADOW)
1181                 e->render.flags |= RENDER_NOSELFSHADOW;
1182         if (e->render.effects & EF_NODEPTHTEST)
1183                 e->render.flags |= RENDER_NODEPTHTEST;
1184         if (e->render.effects & EF_ADDITIVE)
1185                 e->render.flags |= RENDER_ADDITIVE;
1186         if (e->render.effects & EF_DOUBLESIDED)
1187                 e->render.flags |= RENDER_DOUBLESIDED;
1188         if (e->render.effects & EF_DYNAMICMODELLIGHT)
1189                 e->render.flags |= RENDER_DYNAMICMODELLIGHT;
1190
1191         // make the other useful stuff
1192         e->render.allowdecals = true;
1193         CL_UpdateRenderEntity(&e->render);
1194 }
1195
1196 // creates light and trails from an entity
1197 static void CL_UpdateNetworkEntityTrail(entity_t *e)
1198 {
1199         effectnameindex_t trailtype;
1200         vec3_t origin;
1201
1202         // bmodels are treated specially since their origin is usually '0 0 0' and
1203         // their actual geometry is far from '0 0 0'
1204         if (e->render.model && e->render.model->soundfromcenter)
1205         {
1206                 vec3_t o;
1207                 VectorMAM(0.5f, e->render.model->normalmins, 0.5f, e->render.model->normalmaxs, o);
1208                 Matrix4x4_Transform(&e->render.matrix, o, origin);
1209         }
1210         else
1211                 Matrix4x4_OriginFromMatrix(&e->render.matrix, origin);
1212
1213         // handle particle trails and such effects now that we know where this
1214         // entity is in the world...
1215         trailtype = EFFECT_NONE;
1216         // LordHavoc: if the entity has no effects, don't check each
1217         if (e->render.effects & (EF_BRIGHTFIELD | EF_FLAME | EF_STARDUST))
1218         {
1219                 if (e->render.effects & EF_BRIGHTFIELD)
1220                 {
1221                         if (IS_NEXUIZ_DERIVED(gamemode))
1222                                 trailtype = EFFECT_TR_NEXUIZPLASMA;
1223                         else
1224                                 CL_EntityParticles(e);
1225                 }
1226                 if (e->render.effects & EF_FLAME)
1227                         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, 1);
1228                 if (e->render.effects & EF_STARDUST)
1229                         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, 1);
1230         }
1231         if (e->render.internaleffects & (INTEF_FLAG1QW | INTEF_FLAG2QW))
1232         {
1233                 // these are only set on player entities
1234                 CL_AddQWCTFFlagModel(e, (e->render.internaleffects & INTEF_FLAG2QW) != 0);
1235         }
1236         // muzzleflash fades over time
1237         if (e->persistent.muzzleflash > 0)
1238                 e->persistent.muzzleflash -= bound(0, cl.time - cl.oldtime, 0.1) * 20;
1239         // LordHavoc: if the entity has no effects, don't check each
1240         if (e->render.effects && !(e->render.flags & RENDER_VIEWMODEL))
1241         {
1242                 if (e->render.effects & EF_GIB)
1243                         trailtype = EFFECT_TR_BLOOD;
1244                 else if (e->render.effects & EF_ZOMGIB)
1245                         trailtype = EFFECT_TR_SLIGHTBLOOD;
1246                 else if (e->render.effects & EF_TRACER)
1247                         trailtype = EFFECT_TR_WIZSPIKE;
1248                 else if (e->render.effects & EF_TRACER2)
1249                         trailtype = EFFECT_TR_KNIGHTSPIKE;
1250                 else if (e->render.effects & EF_ROCKET)
1251                         trailtype = EFFECT_TR_ROCKET;
1252                 else if (e->render.effects & EF_GRENADE)
1253                 {
1254                         // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
1255                         trailtype = e->render.alpha == -1 ? EFFECT_TR_NEHAHRASMOKE : EFFECT_TR_GRENADE;
1256                 }
1257                 else if (e->render.effects & EF_TRACER3)
1258                         trailtype = EFFECT_TR_VORESPIKE;
1259         }
1260         // do trails
1261         if (e->render.flags & RENDER_GLOWTRAIL)
1262                 trailtype = EFFECT_TR_GLOWTRAIL;
1263         if (e->state_current.traileffectnum)
1264                 trailtype = (effectnameindex_t)e->state_current.traileffectnum;
1265         // check if a trail is allowed (it is not after a teleport for example)
1266         if (trailtype && e->persistent.trail_allowed)
1267         {
1268                 float len;
1269                 vec3_t vel;
1270                 VectorSubtract(e->state_current.origin, e->state_previous.origin, vel);
1271                 len = e->state_current.time - e->state_previous.time;
1272                 if (len > 0)
1273                         len = 1.0f / len;
1274                 VectorScale(vel, len, vel);
1275                 // pass time as count so that trails that are time based (such as an emitter) will emit properly as long as they don't use trailspacing
1276                 CL_ParticleTrail(trailtype, bound(0, cl.time - cl.oldtime, 0.1), e->persistent.trail_origin, origin, vel, vel, e, e->state_current.glowcolor, false, true, NULL, NULL, 1);
1277         }
1278         // now that the entity has survived one trail update it is allowed to
1279         // leave a real trail on later frames
1280         e->persistent.trail_allowed = true;
1281         VectorCopy(origin, e->persistent.trail_origin);
1282 }
1283
1284
1285 /*
1286 ===============
1287 CL_UpdateViewEntities
1288 ===============
1289 */
1290 void CL_UpdateViewEntities(void)
1291 {
1292         int i;
1293         // update any RENDER_VIEWMODEL entities to use the new view matrix
1294         for (i = 1;i < cl.num_entities;i++)
1295         {
1296                 if (cl.entities_active[i])
1297                 {
1298                         entity_t *ent = cl.entities + i;
1299                         if ((ent->render.flags & RENDER_VIEWMODEL) || ent->state_current.tagentity)
1300                                 CL_UpdateNetworkEntity(ent, 32, true);
1301                 }
1302         }
1303         // and of course the engine viewmodel needs updating as well
1304         CL_UpdateNetworkEntity(&cl.viewent, 32, true);
1305 }
1306
1307 /*
1308 ===============
1309 CL_UpdateNetworkCollisionEntities
1310 ===============
1311 */
1312 static void CL_UpdateNetworkCollisionEntities(void)
1313 {
1314         entity_t *ent;
1315         int i;
1316
1317         // start on the entity after the world
1318         cl.num_brushmodel_entities = 0;
1319         for (i = cl.maxclients + 1;i < cl.num_entities;i++)
1320         {
1321                 if (cl.entities_active[i])
1322                 {
1323                         ent = cl.entities + i;
1324                         if (ent->state_current.active && ent->render.model && ent->render.model->name[0] == '*' && ent->render.model->TraceBox)
1325                         {
1326                                 // do not interpolate the bmodels for this
1327                                 CL_UpdateNetworkEntity(ent, 32, false);
1328                                 cl.brushmodel_entities[cl.num_brushmodel_entities++] = i;
1329                         }
1330                 }
1331         }
1332 }
1333
1334 /*
1335 ===============
1336 CL_UpdateNetworkEntities
1337 ===============
1338 */
1339 static 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 static 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 static void CL_LinkNetworkEntity(entity_t *e)
1402 {
1403         effectnameindex_t trailtype;
1404         vec3_t origin;
1405         vec3_t dlightcolor;
1406         vec_t dlightradius;
1407         char vabuf[1024];
1408
1409         // skip inactive entities and world
1410         if (!e->state_current.active || e == cl.entities)
1411                 return;
1412         if (e->state_current.tagentity)
1413         {
1414                 // if the tag entity is currently impossible, skip it
1415                 if (e->state_current.tagentity >= cl.num_entities)
1416                         return;
1417                 // if the tag entity is inactive, skip it
1418                 if (!cl.entities[e->state_current.tagentity].state_current.active)
1419                 {
1420                         if(!cl.csqc_server2csqcentitynumber[e->state_current.tagentity])
1421                                 return;
1422                         if(!cl.csqcrenderentities[cl.csqc_server2csqcentitynumber[e->state_current.tagentity]].entitynumber)
1423                                 return;
1424                         // if we get here, it's properly csqc networked and attached
1425                 }
1426         }
1427
1428         // create entity dlights associated with this entity
1429         if (e->render.model && e->render.model->soundfromcenter)
1430         {
1431                 // bmodels are treated specially since their origin is usually '0 0 0'
1432                 vec3_t o;
1433                 VectorMAM(0.5f, e->render.model->normalmins, 0.5f, e->render.model->normalmaxs, o);
1434                 Matrix4x4_Transform(&e->render.matrix, o, origin);
1435         }
1436         else
1437                 Matrix4x4_OriginFromMatrix(&e->render.matrix, origin);
1438         trailtype = EFFECT_NONE;
1439         dlightradius = 0;
1440         dlightcolor[0] = 0;
1441         dlightcolor[1] = 0;
1442         dlightcolor[2] = 0;
1443         // LordHavoc: if the entity has no effects, don't check each
1444         if (e->render.effects & (EF_BRIGHTFIELD | EF_DIMLIGHT | EF_BRIGHTLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1445         {
1446                 if (e->render.effects & EF_BRIGHTFIELD)
1447                 {
1448                         if (IS_NEXUIZ_DERIVED(gamemode))
1449                                 trailtype = EFFECT_TR_NEXUIZPLASMA;
1450                 }
1451                 if (e->render.effects & EF_DIMLIGHT)
1452                 {
1453                         dlightradius = max(dlightradius, 200);
1454                         dlightcolor[0] += 1.50f;
1455                         dlightcolor[1] += 1.50f;
1456                         dlightcolor[2] += 1.50f;
1457                 }
1458                 if (e->render.effects & EF_BRIGHTLIGHT)
1459                 {
1460                         dlightradius = max(dlightradius, 400);
1461                         dlightcolor[0] += 3.00f;
1462                         dlightcolor[1] += 3.00f;
1463                         dlightcolor[2] += 3.00f;
1464                 }
1465                 // LordHavoc: more effects
1466                 if (e->render.effects & EF_RED) // red
1467                 {
1468                         dlightradius = max(dlightradius, 200);
1469                         dlightcolor[0] += 1.50f;
1470                         dlightcolor[1] += 0.15f;
1471                         dlightcolor[2] += 0.15f;
1472                 }
1473                 if (e->render.effects & EF_BLUE) // blue
1474                 {
1475                         dlightradius = max(dlightradius, 200);
1476                         dlightcolor[0] += 0.15f;
1477                         dlightcolor[1] += 0.15f;
1478                         dlightcolor[2] += 1.50f;
1479                 }
1480                 if (e->render.effects & EF_FLAME)
1481                         CL_ParticleTrail(EFFECT_EF_FLAME, 1, origin, origin, vec3_origin, vec3_origin, NULL, 0, true, false, NULL, NULL, 1);
1482                 if (e->render.effects & EF_STARDUST)
1483                         CL_ParticleTrail(EFFECT_EF_STARDUST, 1, origin, origin, vec3_origin, vec3_origin, NULL, 0, true, false, NULL, NULL, 1);
1484         }
1485         // muzzleflash fades over time, and is offset a bit
1486         if (e->persistent.muzzleflash > 0 && r_refdef.scene.numlights < MAX_DLIGHTS)
1487         {
1488                 vec3_t v2;
1489                 vec3_t color;
1490                 trace_t trace;
1491                 matrix4x4_t tempmatrix;
1492                 Matrix4x4_Transform(&e->render.matrix, muzzleflashorigin, v2);
1493                 trace = CL_TraceLine(origin, v2, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_SKY, 0, collision_extendmovelength.value, true, false, NULL, false, false);
1494                 Matrix4x4_Normalize(&tempmatrix, &e->render.matrix);
1495                 Matrix4x4_SetOrigin(&tempmatrix, trace.endpos[0], trace.endpos[1], trace.endpos[2]);
1496                 Matrix4x4_Scale(&tempmatrix, 150, 1);
1497                 VectorSet(color, e->persistent.muzzleflash * 4.0f, e->persistent.muzzleflash * 4.0f, e->persistent.muzzleflash * 4.0f);
1498                 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);
1499                 r_refdef.scene.lights[r_refdef.scene.numlights] = &r_refdef.scene.templights[r_refdef.scene.numlights];r_refdef.scene.numlights++;
1500         }
1501         // LordHavoc: if the model has no flags, don't check each
1502         if (e->render.model && e->render.effects && !(e->render.flags & RENDER_VIEWMODEL))
1503         {
1504                 if (e->render.effects & EF_GIB)
1505                         trailtype = EFFECT_TR_BLOOD;
1506                 else if (e->render.effects & EF_ZOMGIB)
1507                         trailtype = EFFECT_TR_SLIGHTBLOOD;
1508                 else if (e->render.effects & EF_TRACER)
1509                         trailtype = EFFECT_TR_WIZSPIKE;
1510                 else if (e->render.effects & EF_TRACER2)
1511                         trailtype = EFFECT_TR_KNIGHTSPIKE;
1512                 else if (e->render.effects & EF_ROCKET)
1513                         trailtype = EFFECT_TR_ROCKET;
1514                 else if (e->render.effects & EF_GRENADE)
1515                 {
1516                         // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
1517                         trailtype = e->render.alpha == -1 ? EFFECT_TR_NEHAHRASMOKE : EFFECT_TR_GRENADE;
1518                 }
1519                 else if (e->render.effects & EF_TRACER3)
1520                         trailtype = EFFECT_TR_VORESPIKE;
1521         }
1522         // LordHavoc: customizable glow
1523         if (e->state_current.glowsize)
1524         {
1525                 // * 4 for the expansion from 0-255 to 0-1023 range,
1526                 // / 255 to scale down byte colors
1527                 dlightradius = max(dlightradius, e->state_current.glowsize * 4);
1528                 VectorMA(dlightcolor, (1.0f / 255.0f), palette_rgb[e->state_current.glowcolor], dlightcolor);
1529         }
1530         // custom rtlight
1531         if ((e->state_current.lightpflags & PFLAGS_FULLDYNAMIC) && r_refdef.scene.numlights < MAX_DLIGHTS)
1532         {
1533                 matrix4x4_t dlightmatrix;
1534                 vec4_t light;
1535                 VectorScale(e->state_current.light, (1.0f / 256.0f), light);
1536                 light[3] = e->state_current.light[3];
1537                 if (light[0] == 0 && light[1] == 0 && light[2] == 0)
1538                         VectorSet(light, 1, 1, 1);
1539                 if (light[3] == 0)
1540                         light[3] = 350;
1541                 // FIXME: add ambient/diffuse/specular scales as an extension ontop of TENEBRAE_GFX_DLIGHTS?
1542                 Matrix4x4_Normalize(&dlightmatrix, &e->render.matrix);
1543                 Matrix4x4_Scale(&dlightmatrix, light[3], 1);
1544                 R_RTLight_Update(&r_refdef.scene.templights[r_refdef.scene.numlights], false, &dlightmatrix, light, e->state_current.lightstyle, e->state_current.skin > 0 ? va(vabuf, sizeof(vabuf), "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);
1545                 r_refdef.scene.lights[r_refdef.scene.numlights] = &r_refdef.scene.templights[r_refdef.scene.numlights];r_refdef.scene.numlights++;
1546         }
1547         // make the glow dlight
1548         else if (dlightradius > 0 && (dlightcolor[0] || dlightcolor[1] || dlightcolor[2]) && !(e->render.flags & RENDER_VIEWMODEL) && r_refdef.scene.numlights < MAX_DLIGHTS)
1549         {
1550                 matrix4x4_t dlightmatrix;
1551                 Matrix4x4_Normalize(&dlightmatrix, &e->render.matrix);
1552                 // hack to make glowing player light shine on their gun
1553                 //if (e->state_current.number == cl.viewentity/* && !chase_active.integer*/)
1554                 //      Matrix4x4_AdjustOrigin(&dlightmatrix, 0, 0, 30);
1555                 Matrix4x4_Scale(&dlightmatrix, dlightradius, 1);
1556                 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);
1557                 r_refdef.scene.lights[r_refdef.scene.numlights] = &r_refdef.scene.templights[r_refdef.scene.numlights];r_refdef.scene.numlights++;
1558         }
1559         // do trail light
1560         if (e->render.flags & RENDER_GLOWTRAIL)
1561                 trailtype = EFFECT_TR_GLOWTRAIL;
1562         if (e->state_current.traileffectnum)
1563                 trailtype = (effectnameindex_t)e->state_current.traileffectnum;
1564         if (trailtype)
1565                 CL_ParticleTrail(trailtype, 1, origin, origin, vec3_origin, vec3_origin, NULL, e->state_current.glowcolor, true, false, NULL, NULL, 1);
1566
1567         // don't show entities with no modelindex (note: this still shows
1568         // entities which have a modelindex that resolved to a NULL model)
1569         if (e->render.model && !(e->render.effects & EF_NODRAW) && r_refdef.scene.numentities < r_refdef.scene.maxentities)
1570                 r_refdef.scene.entities[r_refdef.scene.numentities++] = &e->render;
1571         //if (cl.viewentity && e->state_current.number == cl.viewentity)
1572         //      Matrix4x4_Print(&e->render.matrix);
1573 }
1574
1575 static void CL_RelinkWorld(void)
1576 {
1577         entity_t *ent = &cl.entities[0];
1578         // FIXME: this should be done at load
1579         ent->render.matrix = identitymatrix;
1580         ent->render.flags = RENDER_SHADOW;
1581         if (!r_fullbright.integer)
1582                 ent->render.flags |= RENDER_LIGHT;
1583         VectorSet(ent->render.colormod, 1, 1, 1);
1584         VectorSet(ent->render.glowmod, 1, 1, 1);
1585         ent->render.allowdecals = true;
1586         CL_UpdateRenderEntity(&ent->render);
1587         r_refdef.scene.worldentity = &ent->render;
1588         r_refdef.scene.worldmodel = cl.worldmodel;
1589
1590         // if the world is q2bsp, animate the textures
1591         if (ent->render.model && ent->render.model->brush.isq2bsp)
1592                 ent->render.framegroupblend[0].frame = (int)(cl.time * 2.0f);
1593 }
1594
1595 static void CL_RelinkStaticEntities(void)
1596 {
1597         int i;
1598         entity_t *e;
1599         for (i = 0, e = cl.static_entities;i < cl.num_static_entities && r_refdef.scene.numentities < r_refdef.scene.maxentities;i++, e++)
1600         {
1601                 e->render.flags = 0;
1602                 // if the model was not loaded when the static entity was created we
1603                 // need to re-fetch the model pointer
1604                 e->render.model = CL_GetModelByIndex(e->state_baseline.modelindex);
1605                 // either fullbright or lit
1606                 if(!r_fullbright.integer)
1607                 {
1608                         if (!(e->render.effects & EF_FULLBRIGHT))
1609                                 e->render.flags |= RENDER_LIGHT;
1610                         else if(r_equalize_entities_fullbright.integer)
1611                                 e->render.flags |= RENDER_LIGHT | RENDER_EQUALIZE;
1612                 }
1613                 // hide player shadow during intermission or nehahra movie
1614                 if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST)) && (e->render.alpha >= 1))
1615                         e->render.flags |= RENDER_SHADOW;
1616                 VectorSet(e->render.colormod, 1, 1, 1);
1617                 VectorSet(e->render.glowmod, 1, 1, 1);
1618                 VM_FrameBlendFromFrameGroupBlend(e->render.frameblend, e->render.framegroupblend, e->render.model, cl.time);
1619                 e->render.allowdecals = true;
1620                 CL_UpdateRenderEntity(&e->render);
1621                 r_refdef.scene.entities[r_refdef.scene.numentities++] = &e->render;
1622         }
1623 }
1624
1625 /*
1626 ===============
1627 CL_RelinkEntities
1628 ===============
1629 */
1630 static void CL_RelinkNetworkEntities(void)
1631 {
1632         entity_t *ent;
1633         int i;
1634
1635         // start on the entity after the world
1636         for (i = 1;i < cl.num_entities;i++)
1637         {
1638                 if (cl.entities_active[i])
1639                 {
1640                         ent = cl.entities + i;
1641                         if (ent->state_current.active)
1642                                 CL_LinkNetworkEntity(ent);
1643                         else
1644                                 cl.entities_active[i] = false;
1645                 }
1646         }
1647 }
1648
1649 static void CL_RelinkEffects(void)
1650 {
1651         int i, intframe;
1652         cl_effect_t *e;
1653         entity_render_t *entrender;
1654         float frame;
1655
1656         for (i = 0, e = cl.effects;i < cl.num_effects;i++, e++)
1657         {
1658                 if (e->active)
1659                 {
1660                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
1661                         intframe = (int)frame;
1662                         if (intframe < 0 || intframe >= e->endframe)
1663                         {
1664                                 memset(e, 0, sizeof(*e));
1665                                 while (cl.num_effects > 0 && !cl.effects[cl.num_effects - 1].active)
1666                                         cl.num_effects--;
1667                                 continue;
1668                         }
1669
1670                         if (intframe != e->frame)
1671                         {
1672                                 e->frame = intframe;
1673                                 e->frame1time = e->frame2time;
1674                                 e->frame2time = cl.time;
1675                         }
1676
1677                         // if we're drawing effects, get a new temp entity
1678                         // (NewTempEntity adds it to the render entities list for us)
1679                         if (r_draweffects.integer && (entrender = CL_NewTempEntity(e->starttime)))
1680                         {
1681                                 // interpolation stuff
1682                                 entrender->framegroupblend[0].frame = intframe;
1683                                 entrender->framegroupblend[0].lerp = 1 - frame - intframe;
1684                                 entrender->framegroupblend[0].start = e->frame1time;
1685                                 if (intframe + 1 >= e->endframe)
1686                                 {
1687                                         entrender->framegroupblend[1].frame = 0; // disappear
1688                                         entrender->framegroupblend[1].lerp = 0;
1689                                         entrender->framegroupblend[1].start = 0;
1690                                 }
1691                                 else
1692                                 {
1693                                         entrender->framegroupblend[1].frame = intframe + 1;
1694                                         entrender->framegroupblend[1].lerp = frame - intframe;
1695                                         entrender->framegroupblend[1].start = e->frame2time;
1696                                 }
1697
1698                                 // normal stuff
1699                                 entrender->model = CL_GetModelByIndex(e->modelindex);
1700                                 entrender->alpha = 1;
1701                                 VectorSet(entrender->colormod, 1, 1, 1);
1702                                 VectorSet(entrender->glowmod, 1, 1, 1);
1703
1704                                 Matrix4x4_CreateFromQuakeEntity(&entrender->matrix, e->origin[0], e->origin[1], e->origin[2], 0, 0, 0, 1);
1705                                 CL_UpdateRenderEntity(entrender);
1706                         }
1707                 }
1708         }
1709 }
1710
1711 void CL_Beam_CalculatePositions(const beam_t *b, vec3_t start, vec3_t end)
1712 {
1713         VectorCopy(b->start, start);
1714         VectorCopy(b->end, end);
1715
1716         // if coming from the player, update the start position
1717         if (b->entity == cl.viewentity)
1718         {
1719                 if (cl_beams_quakepositionhack.integer && !chase_active.integer)
1720                 {
1721                         // LordHavoc: this is a stupid hack from Quake that makes your
1722                         // lightning appear to come from your waist and cover less of your
1723                         // view
1724                         // in Quake this hack was applied to all players (causing the
1725                         // infamous crotch-lightning), but in darkplaces and QuakeWorld it
1726                         // only applies to your own lightning, and only in first person
1727                         Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, start);
1728                 }
1729                 if (cl_beams_instantaimhack.integer)
1730                 {
1731                         vec3_t dir, localend;
1732                         vec_t len;
1733                         // LordHavoc: this updates the beam direction to match your
1734                         // viewangles
1735                         VectorSubtract(end, start, dir);
1736                         len = VectorLength(dir);
1737                         VectorNormalize(dir);
1738                         VectorSet(localend, len, 0, 0);
1739                         Matrix4x4_Transform(&r_refdef.view.matrix, localend, end);
1740                 }
1741         }
1742 }
1743
1744 void CL_RelinkBeams(void)
1745 {
1746         int i;
1747         beam_t *b;
1748         vec3_t dist, org, start, end;
1749         float d;
1750         entity_render_t *entrender;
1751         double yaw, pitch;
1752         float forward;
1753         matrix4x4_t tempmatrix;
1754
1755         for (i = 0, b = cl.beams;i < cl.num_beams;i++, b++)
1756         {
1757                 if (!b->model)
1758                         continue;
1759                 if (b->endtime < cl.time)
1760                 {
1761                         b->model = NULL;
1762                         continue;
1763                 }
1764
1765                 CL_Beam_CalculatePositions(b, start, end);
1766
1767                 if (b->lightning)
1768                 {
1769                         if (cl_beams_lightatend.integer && r_refdef.scene.numlights < MAX_DLIGHTS)
1770                         {
1771                                 // FIXME: create a matrix from the beam start/end orientation
1772                                 vec3_t dlightcolor;
1773                                 VectorSet(dlightcolor, 0.3, 0.7, 1);
1774                                 Matrix4x4_CreateFromQuakeEntity(&tempmatrix, end[0], end[1], end[2], 0, 0, 0, 200);
1775                                 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);
1776                                 r_refdef.scene.lights[r_refdef.scene.numlights] = &r_refdef.scene.templights[r_refdef.scene.numlights];r_refdef.scene.numlights++;
1777                         }
1778                         if (cl_beams_polygons.integer)
1779                                 continue;
1780                 }
1781
1782                 // calculate pitch and yaw
1783                 // (this is similar to the QuakeC builtin function vectoangles)
1784                 VectorSubtract(end, start, dist);
1785                 if (dist[1] == 0 && dist[0] == 0)
1786                 {
1787                         yaw = 0;
1788                         if (dist[2] > 0)
1789                                 pitch = 90;
1790                         else
1791                                 pitch = 270;
1792                 }
1793                 else
1794                 {
1795                         yaw = atan2(dist[1], dist[0]) * 180 / M_PI;
1796                         if (yaw < 0)
1797                                 yaw += 360;
1798
1799                         forward = sqrt (dist[0]*dist[0] + dist[1]*dist[1]);
1800                         pitch = atan2(dist[2], forward) * 180 / M_PI;
1801                         if (pitch < 0)
1802                                 pitch += 360;
1803                 }
1804
1805                 // add new entities for the lightning
1806                 VectorCopy (start, org);
1807                 d = VectorNormalizeLength(dist);
1808                 while (d > 0)
1809                 {
1810                         entrender = CL_NewTempEntity (0);
1811                         if (!entrender)
1812                                 return;
1813                         //VectorCopy (org, ent->render.origin);
1814                         entrender->model = b->model;
1815                         //ent->render.effects = EF_FULLBRIGHT;
1816                         //ent->render.angles[0] = pitch;
1817                         //ent->render.angles[1] = yaw;
1818                         //ent->render.angles[2] = rand()%360;
1819                         Matrix4x4_CreateFromQuakeEntity(&entrender->matrix, org[0], org[1], org[2], -pitch, yaw, lhrandom(0, 360), 1);
1820                         CL_UpdateRenderEntity(entrender);
1821                         VectorMA(org, 30, dist, org);
1822                         d -= 30;
1823                 }
1824         }
1825
1826         while (cl.num_beams > 0 && !cl.beams[cl.num_beams - 1].model)
1827                 cl.num_beams--;
1828 }
1829
1830 static void CL_RelinkQWNails(void)
1831 {
1832         int i;
1833         vec_t *v;
1834         entity_render_t *entrender;
1835
1836         for (i = 0;i < cl.qw_num_nails;i++)
1837         {
1838                 v = cl.qw_nails[i];
1839
1840                 // if we're drawing effects, get a new temp entity
1841                 // (NewTempEntity adds it to the render entities list for us)
1842                 if (!(entrender = CL_NewTempEntity(0)))
1843                         continue;
1844
1845                 // normal stuff
1846                 entrender->model = CL_GetModelByIndex(cl.qw_modelindex_spike);
1847                 entrender->alpha = 1;
1848                 VectorSet(entrender->colormod, 1, 1, 1);
1849                 VectorSet(entrender->glowmod, 1, 1, 1);
1850
1851                 Matrix4x4_CreateFromQuakeEntity(&entrender->matrix, v[0], v[1], v[2], v[3], v[4], v[5], 1);
1852                 CL_UpdateRenderEntity(entrender);
1853         }
1854 }
1855
1856 static void CL_LerpPlayer(float frac)
1857 {
1858         int i;
1859
1860         cl.viewzoom = cl.mviewzoom[1] + frac * (cl.mviewzoom[0] - cl.mviewzoom[1]);
1861         for (i = 0;i < 3;i++)
1862         {
1863                 cl.punchangle[i] = cl.mpunchangle[1][i] + frac * (cl.mpunchangle[0][i] - cl.mpunchangle[1][i]);
1864                 cl.punchvector[i] = cl.mpunchvector[1][i] + frac * (cl.mpunchvector[0][i] - cl.mpunchvector[1][i]);
1865                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
1866         }
1867
1868         // interpolate the angles if playing a demo or spectating someone
1869         if (cls.demoplayback || cl.fixangle[0])
1870         {
1871                 for (i = 0;i < 3;i++)
1872                 {
1873                         float d = cl.mviewangles[0][i] - cl.mviewangles[1][i];
1874                         if (d > 180)
1875                                 d -= 360;
1876                         else if (d < -180)
1877                                 d += 360;
1878                         cl.viewangles[i] = cl.mviewangles[1][i] + frac * d;
1879                 }
1880         }
1881 }
1882
1883 void CSQC_RelinkAllEntities (int drawmask)
1884 {
1885         // link stuff
1886         CL_RelinkWorld();
1887         CL_RelinkStaticEntities();
1888         CL_RelinkBeams();
1889         CL_RelinkEffects();
1890
1891         // link stuff
1892         if (drawmask & ENTMASK_ENGINE)
1893         {
1894                 CL_RelinkNetworkEntities();
1895                 if (drawmask & ENTMASK_ENGINEVIEWMODELS)
1896                         CL_LinkNetworkEntity(&cl.viewent); // link gun model
1897                 CL_RelinkQWNails();
1898         }
1899
1900         // update view blend
1901         V_CalcViewBlend();
1902 }
1903
1904 /*
1905 ===============
1906 CL_UpdateWorld
1907
1908 Update client game world for a new frame
1909 ===============
1910 */
1911 void CL_UpdateWorld(void)
1912 {
1913         r_refdef.scene.extraupdate = !r_speeds.integer;
1914         r_refdef.scene.numentities = 0;
1915         r_refdef.scene.numlights = 0;
1916         r_refdef.view.matrix = identitymatrix;
1917         r_refdef.view.quality = 1;
1918
1919         cl.num_brushmodel_entities = 0;
1920
1921         if (cls.state == ca_connected && cls.signon == SIGNONS)
1922         {
1923                 // prepare for a new frame
1924                 CL_LerpPlayer(CL_LerpPoint());
1925                 CL_DecayLightFlashes();
1926                 CL_ClearTempEntities();
1927                 V_DriftPitch();
1928                 V_FadeViewFlashs();
1929
1930                 // if prediction is enabled we have to update all the collidable
1931                 // network entities before the prediction code can be run
1932                 CL_UpdateNetworkCollisionEntities();
1933
1934                 // now update the player prediction
1935                 CL_ClientMovement_Replay();
1936
1937                 // update the player entity (which may be predicted)
1938                 CL_UpdateNetworkEntity(cl.entities + cl.viewentity, 32, true);
1939
1940                 // now update the view (which depends on that player entity)
1941                 V_CalcRefdef();
1942
1943                 // now update all the network entities and create particle trails
1944                 // (some entities may depend on the view)
1945                 CL_UpdateNetworkEntities();
1946
1947                 // update the engine-based viewmodel
1948                 CL_UpdateViewModel();
1949
1950                 CL_RelinkLightFlashes();
1951                 CSQC_RelinkAllEntities(ENTMASK_ENGINE | ENTMASK_ENGINEVIEWMODELS);
1952
1953                 // decals, particles, and explosions will be updated during rneder
1954         }
1955
1956         r_refdef.scene.time = cl.time;
1957 }
1958
1959 // LordHavoc: pausedemo command
1960 static void CL_PauseDemo_f (void)
1961 {
1962         cls.demopaused = !cls.demopaused;
1963         if (cls.demopaused)
1964                 Con_Print("Demo paused\n");
1965         else
1966                 Con_Print("Demo unpaused\n");
1967 }
1968
1969 /*
1970 ======================
1971 CL_Fog_f
1972 ======================
1973 */
1974 static void CL_Fog_f (void)
1975 {
1976         if (Cmd_Argc () == 1)
1977         {
1978                 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);
1979                 return;
1980         }
1981         FOG_clear(); // so missing values get good defaults
1982         if(Cmd_Argc() > 1)
1983                 r_refdef.fog_density = atof(Cmd_Argv(1));
1984         if(Cmd_Argc() > 2)
1985                 r_refdef.fog_red = atof(Cmd_Argv(2));
1986         if(Cmd_Argc() > 3)
1987                 r_refdef.fog_green = atof(Cmd_Argv(3));
1988         if(Cmd_Argc() > 4)
1989                 r_refdef.fog_blue = atof(Cmd_Argv(4));
1990         if(Cmd_Argc() > 5)
1991                 r_refdef.fog_alpha = atof(Cmd_Argv(5));
1992         if(Cmd_Argc() > 6)
1993                 r_refdef.fog_start = atof(Cmd_Argv(6));
1994         if(Cmd_Argc() > 7)
1995                 r_refdef.fog_end = atof(Cmd_Argv(7));
1996         if(Cmd_Argc() > 8)
1997                 r_refdef.fog_height = atof(Cmd_Argv(8));
1998         if(Cmd_Argc() > 9)
1999                 r_refdef.fog_fadedepth = atof(Cmd_Argv(9));
2000 }
2001
2002 /*
2003 ======================
2004 CL_FogHeightTexture_f
2005 ======================
2006 */
2007 static void CL_Fog_HeightTexture_f (void)
2008 {
2009         if (Cmd_Argc () < 11)
2010         {
2011                 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);
2012                 return;
2013         }
2014         FOG_clear(); // so missing values get good defaults
2015         r_refdef.fog_density = atof(Cmd_Argv(1));
2016         r_refdef.fog_red = atof(Cmd_Argv(2));
2017         r_refdef.fog_green = atof(Cmd_Argv(3));
2018         r_refdef.fog_blue = atof(Cmd_Argv(4));
2019         r_refdef.fog_alpha = atof(Cmd_Argv(5));
2020         r_refdef.fog_start = atof(Cmd_Argv(6));
2021         r_refdef.fog_end = atof(Cmd_Argv(7));
2022         r_refdef.fog_height = atof(Cmd_Argv(8));
2023         r_refdef.fog_fadedepth = atof(Cmd_Argv(9));
2024         strlcpy(r_refdef.fog_height_texturename, Cmd_Argv(10), sizeof(r_refdef.fog_height_texturename));
2025 }
2026
2027
2028 /*
2029 ====================
2030 CL_TimeRefresh_f
2031
2032 For program optimization
2033 ====================
2034 */
2035 static void CL_TimeRefresh_f (void)
2036 {
2037         int i;
2038         double timestart, timedelta;
2039
2040         r_refdef.scene.extraupdate = false;
2041
2042         timestart = Sys_DirtyTime();
2043         for (i = 0;i < 128;i++)
2044         {
2045                 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);
2046                 r_refdef.view.quality = 1;
2047                 CL_UpdateScreen();
2048         }
2049         timedelta = Sys_DirtyTime() - timestart;
2050
2051         Con_Printf("%f seconds (%f fps)\n", timedelta, 128/timedelta);
2052 }
2053
2054 static void CL_AreaStats_f(void)
2055 {
2056         World_PrintAreaStats(&cl.world, "client");
2057 }
2058
2059 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point)
2060 {
2061         int i;
2062         cl_locnode_t *loc;
2063         cl_locnode_t *best;
2064         vec3_t nearestpoint;
2065         vec_t dist, bestdist;
2066         best = NULL;
2067         bestdist = 0;
2068         for (loc = cl.locnodes;loc;loc = loc->next)
2069         {
2070                 for (i = 0;i < 3;i++)
2071                         nearestpoint[i] = bound(loc->mins[i], point[i], loc->maxs[i]);
2072                 dist = VectorDistance2(nearestpoint, point);
2073                 if (bestdist > dist || !best)
2074                 {
2075                         bestdist = dist;
2076                         best = loc;
2077                         if (bestdist < 1)
2078                                 break;
2079                 }
2080         }
2081         return best;
2082 }
2083
2084 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point)
2085 {
2086         cl_locnode_t *loc;
2087         loc = CL_Locs_FindNearest(point);
2088         if (loc)
2089                 strlcpy(buffer, loc->name, buffersize);
2090         else
2091                 dpsnprintf(buffer, buffersize, "LOC=%.0f:%.0f:%.0f", point[0], point[1], point[2]);
2092 }
2093
2094 static void CL_Locs_FreeNode(cl_locnode_t *node)
2095 {
2096         cl_locnode_t **pointer, **next;
2097         for (pointer = &cl.locnodes;*pointer;pointer = next)
2098         {
2099                 next = &(*pointer)->next;
2100                 if (*pointer == node)
2101                 {
2102                         *pointer = node->next;
2103                         Mem_Free(node);
2104                         return;
2105                 }
2106         }
2107         Con_Printf("CL_Locs_FreeNode: no such node! (%p)\n", (void *)node);
2108 }
2109
2110 static void CL_Locs_AddNode(vec3_t mins, vec3_t maxs, const char *name)
2111 {
2112         cl_locnode_t *node, **pointer;
2113         int namelen;
2114         if (!name)
2115                 name = "";
2116         namelen = (int)strlen(name);
2117         node = (cl_locnode_t *) Mem_Alloc(cls.levelmempool, sizeof(cl_locnode_t) + namelen + 1);
2118         VectorSet(node->mins, min(mins[0], maxs[0]), min(mins[1], maxs[1]), min(mins[2], maxs[2]));
2119         VectorSet(node->maxs, max(mins[0], maxs[0]), max(mins[1], maxs[1]), max(mins[2], maxs[2]));
2120         node->name = (char *)(node + 1);
2121         memcpy(node->name, name, namelen);
2122         node->name[namelen] = 0;
2123         // link it into the tail of the list to preserve the order
2124         for (pointer = &cl.locnodes;*pointer;pointer = &(*pointer)->next)
2125                 ;
2126         *pointer = node;
2127 }
2128
2129 static void CL_Locs_Add_f(void)
2130 {
2131         vec3_t mins, maxs;
2132         if (Cmd_Argc() != 5 && Cmd_Argc() != 8)
2133         {
2134                 Con_Printf("usage: %s x y z[ x y z] name\n", Cmd_Argv(0));
2135                 return;
2136         }
2137         mins[0] = atof(Cmd_Argv(1));
2138         mins[1] = atof(Cmd_Argv(2));
2139         mins[2] = atof(Cmd_Argv(3));
2140         if (Cmd_Argc() == 8)
2141         {
2142                 maxs[0] = atof(Cmd_Argv(4));
2143                 maxs[1] = atof(Cmd_Argv(5));
2144                 maxs[2] = atof(Cmd_Argv(6));
2145                 CL_Locs_AddNode(mins, maxs, Cmd_Argv(7));
2146         }
2147         else
2148                 CL_Locs_AddNode(mins, mins, Cmd_Argv(4));
2149 }
2150
2151 static void CL_Locs_RemoveNearest_f(void)
2152 {
2153         cl_locnode_t *loc;
2154         loc = CL_Locs_FindNearest(r_refdef.view.origin);
2155         if (loc)
2156                 CL_Locs_FreeNode(loc);
2157         else
2158                 Con_Printf("no loc point or box found for your location\n");
2159 }
2160
2161 static void CL_Locs_Clear_f(void)
2162 {
2163         while (cl.locnodes)
2164                 CL_Locs_FreeNode(cl.locnodes);
2165 }
2166
2167 static void CL_Locs_Save_f(void)
2168 {
2169         cl_locnode_t *loc;
2170         qfile_t *outfile;
2171         char locfilename[MAX_QPATH];
2172         if (!cl.locnodes)
2173         {
2174                 Con_Printf("No loc points/boxes exist!\n");
2175                 return;
2176         }
2177         if (cls.state != ca_connected || !cl.worldmodel)
2178         {
2179                 Con_Printf("No level loaded!\n");
2180                 return;
2181         }
2182         dpsnprintf(locfilename, sizeof(locfilename), "%s.loc", cl.worldnamenoextension);
2183
2184         outfile = FS_OpenRealFile(locfilename, "w", false);
2185         if (!outfile)
2186                 return;
2187         // if any boxes are used then this is a proquake-format loc file, which
2188         // allows comments, so add some relevant information at the start
2189         for (loc = cl.locnodes;loc;loc = loc->next)
2190                 if (!VectorCompare(loc->mins, loc->maxs))
2191                         break;
2192         if (loc)
2193         {
2194                 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);
2195                 for (loc = cl.locnodes;loc;loc = loc->next)
2196                         if (VectorCompare(loc->mins, loc->maxs))
2197                                 break;
2198                 if (loc)
2199                         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");
2200         }
2201         for (loc = cl.locnodes;loc;loc = loc->next)
2202         {
2203                 if (VectorCompare(loc->mins, loc->maxs))
2204                 {
2205                         int len;
2206                         const char *s;
2207                         const char *in = loc->name;
2208                         char name[MAX_INPUTLINE];
2209                         for (len = 0;len < (int)sizeof(name) - 1 && *in;)
2210                         {
2211                                 if (*in == ' ') {s = "$loc_name_separator";in++;}
2212                                 else if (!strncmp(in, "SSG", 3)) {s = "$loc_name_ssg";in += 3;}
2213                                 else if (!strncmp(in, "NG", 2)) {s = "$loc_name_ng";in += 2;}
2214                                 else if (!strncmp(in, "SNG", 3)) {s = "$loc_name_sng";in += 3;}
2215                                 else if (!strncmp(in, "GL", 2)) {s = "$loc_name_gl";in += 2;}
2216                                 else if (!strncmp(in, "RL", 2)) {s = "$loc_name_rl";in += 2;}
2217                                 else if (!strncmp(in, "LG", 2)) {s = "$loc_name_lg";in += 2;}
2218                                 else if (!strncmp(in, "GA", 2)) {s = "$loc_name_ga";in += 2;}
2219                                 else if (!strncmp(in, "YA", 2)) {s = "$loc_name_ya";in += 2;}
2220                                 else if (!strncmp(in, "RA", 2)) {s = "$loc_name_ra";in += 2;}
2221                                 else if (!strncmp(in, "MEGA", 4)) {s = "$loc_name_mh";in += 4;}
2222                                 else s = NULL;
2223                                 if (s)
2224                                 {
2225                                         while (len < (int)sizeof(name) - 1 && *s)
2226                                                 name[len++] = *s++;
2227                                         continue;
2228                                 }
2229                                 name[len++] = *in++;
2230                         }
2231                         name[len] = 0;
2232                         FS_Printf(outfile, "%.0f %.0f %.0f %s\n", loc->mins[0]*8, loc->mins[1]*8, loc->mins[2]*8, name);
2233                 }
2234                 else
2235                         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);
2236         }
2237         FS_Close(outfile);
2238 }
2239
2240 void CL_Locs_Reload_f(void)
2241 {
2242         int i, linenumber, limit, len;
2243         const char *s;
2244         char *filedata, *text, *textend, *linestart, *linetext, *lineend;
2245         fs_offset_t filesize;
2246         vec3_t mins, maxs;
2247         char locfilename[MAX_QPATH];
2248         char name[MAX_INPUTLINE];
2249
2250         if (cls.state != ca_connected || !cl.worldmodel)
2251         {
2252                 Con_Printf("No level loaded!\n");
2253                 return;
2254         }
2255
2256         CL_Locs_Clear_f();
2257
2258         // try maps/something.loc first (LordHavoc: where I think they should be)
2259         dpsnprintf(locfilename, sizeof(locfilename), "%s.loc", cl.worldnamenoextension);
2260         filedata = (char *)FS_LoadFile(locfilename, cls.levelmempool, false, &filesize);
2261         if (!filedata)
2262         {
2263                 // try proquake name as well (LordHavoc: I hate path mangling)
2264                 dpsnprintf(locfilename, sizeof(locfilename), "locs/%s.loc", cl.worldbasename);
2265                 filedata = (char *)FS_LoadFile(locfilename, cls.levelmempool, false, &filesize);
2266                 if (!filedata)
2267                         return;
2268         }
2269         text = filedata;
2270         textend = filedata + filesize;
2271         for (linenumber = 1;text < textend;linenumber++)
2272         {
2273                 linestart = text;
2274                 for (;text < textend && *text != '\r' && *text != '\n';text++)
2275                         ;
2276                 lineend = text;
2277                 if (text + 1 < textend && *text == '\r' && text[1] == '\n')
2278                         text++;
2279                 if (text < textend)
2280                         text++;
2281                 // trim trailing whitespace
2282                 while (lineend > linestart && ISWHITESPACE(lineend[-1]))
2283                         lineend--;
2284                 // trim leading whitespace
2285                 while (linestart < lineend && ISWHITESPACE(*linestart))
2286                         linestart++;
2287                 // check if this is a comment
2288                 if (linestart + 2 <= lineend && !strncmp(linestart, "//", 2))
2289                         continue;
2290                 linetext = linestart;
2291                 limit = 3;
2292                 for (i = 0;i < limit;i++)
2293                 {
2294                         if (linetext >= lineend)
2295                                 break;
2296                         // note: a missing number is interpreted as 0
2297                         if (i < 3)
2298                                 mins[i] = atof(linetext);
2299                         else
2300                                 maxs[i - 3] = atof(linetext);
2301                         // now advance past the number
2302                         while (linetext < lineend && !ISWHITESPACE(*linetext) && *linetext != ',')
2303                                 linetext++;
2304                         // advance through whitespace
2305                         if (linetext < lineend)
2306                         {
2307                                 if (*linetext == ',')
2308                                 {
2309                                         linetext++;
2310                                         limit = 6;
2311                                         // note: comma can be followed by whitespace
2312                                 }
2313                                 if (ISWHITESPACE(*linetext))
2314                                 {
2315                                         // skip whitespace
2316                                         while (linetext < lineend && ISWHITESPACE(*linetext))
2317                                                 linetext++;
2318                                 }
2319                         }
2320                 }
2321                 // if this is a quoted name, remove the quotes
2322                 if (i == 6)
2323                 {
2324                         if (linetext >= lineend || *linetext != '"')
2325                                 continue; // proquake location names are always quoted
2326                         lineend--;
2327                         linetext++;
2328                         len = min(lineend - linetext, (int)sizeof(name) - 1);
2329                         memcpy(name, linetext, len);
2330                         name[len] = 0;
2331                         // add the box to the list
2332                         CL_Locs_AddNode(mins, maxs, name);
2333                 }
2334                 // if a point was parsed, it needs to be scaled down by 8 (since
2335                 // point-based loc files were invented by a proxy which dealt
2336                 // directly with quake protocol coordinates, which are *8), turn
2337                 // it into a box
2338                 else if (i == 3)
2339                 {
2340                         // interpret silly fuhquake macros
2341                         for (len = 0;len < (int)sizeof(name) - 1 && linetext < lineend;)
2342                         {
2343                                 if (*linetext == '$')
2344                                 {
2345                                         if (linetext + 18 <= lineend && !strncmp(linetext, "$loc_name_separator", 19)) {s = " ";linetext += 19;}
2346                                         else if (linetext + 13 <= lineend && !strncmp(linetext, "$loc_name_ssg", 13)) {s = "SSG";linetext += 13;}
2347                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_ng", 12)) {s = "NG";linetext += 12;}
2348                                         else if (linetext + 13 <= lineend && !strncmp(linetext, "$loc_name_sng", 13)) {s = "SNG";linetext += 13;}
2349                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_gl", 12)) {s = "GL";linetext += 12;}
2350                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_rl", 12)) {s = "RL";linetext += 12;}
2351                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_lg", 12)) {s = "LG";linetext += 12;}
2352                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_ga", 12)) {s = "GA";linetext += 12;}
2353                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_ya", 12)) {s = "YA";linetext += 12;}
2354                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_ra", 12)) {s = "RA";linetext += 12;}
2355                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_mh", 12)) {s = "MEGA";linetext += 12;}
2356                                         else s = NULL;
2357                                         if (s)
2358                                         {
2359                                                 while (len < (int)sizeof(name) - 1 && *s)
2360                                                         name[len++] = *s++;
2361                                                 continue;
2362                                         }
2363                                 }
2364                                 name[len++] = *linetext++;
2365                         }
2366                         name[len] = 0;
2367                         // add the point to the list
2368                         VectorScale(mins, (1.0 / 8.0), mins);
2369                         CL_Locs_AddNode(mins, mins, name);
2370                 }
2371                 else
2372                         continue;
2373         }
2374 }
2375
2376 /*
2377 ===========
2378 CL_Shutdown
2379 ===========
2380 */
2381 void CL_Shutdown (void)
2382 {
2383         CL_Screen_Shutdown();
2384         CL_Particles_Shutdown();
2385         CL_Parse_Shutdown();
2386
2387         Mem_FreePool (&cls.permanentmempool);
2388         Mem_FreePool (&cls.levelmempool);
2389 }
2390
2391 /*
2392 =================
2393 CL_Init
2394 =================
2395 */
2396 void CL_Init (void)
2397 {
2398
2399         cls.levelmempool = Mem_AllocPool("client (per-level memory)", 0, NULL);
2400         cls.permanentmempool = Mem_AllocPool("client (long term memory)", 0, NULL);
2401
2402         memset(&r_refdef, 0, sizeof(r_refdef));
2403         // max entities sent to renderer per frame
2404         r_refdef.scene.maxentities = MAX_EDICTS + 256 + 512;
2405         r_refdef.scene.entities = (entity_render_t **)Mem_Alloc(cls.permanentmempool, sizeof(entity_render_t *) * r_refdef.scene.maxentities);
2406
2407         // max temp entities
2408         r_refdef.scene.maxtempentities = MAX_TEMPENTITIES;
2409         r_refdef.scene.tempentities = (entity_render_t *)Mem_Alloc(cls.permanentmempool, sizeof(entity_render_t) * r_refdef.scene.maxtempentities);
2410
2411         CL_InitInput ();
2412
2413 //
2414 // register our commands
2415 //
2416         Cvar_RegisterVariable (&cl_upspeed);
2417         Cvar_RegisterVariable (&cl_forwardspeed);
2418         Cvar_RegisterVariable (&cl_backspeed);
2419         Cvar_RegisterVariable (&cl_sidespeed);
2420         Cvar_RegisterVariable (&cl_movespeedkey);
2421         Cvar_RegisterVariable (&cl_yawspeed);
2422         Cvar_RegisterVariable (&cl_pitchspeed);
2423         Cvar_RegisterVariable (&cl_anglespeedkey);
2424         Cvar_RegisterVariable (&cl_shownet);
2425         Cvar_RegisterVariable (&cl_nolerp);
2426         Cvar_RegisterVariable (&cl_lerpexcess);
2427         Cvar_RegisterVariable (&cl_lerpanim_maxdelta_server);
2428         Cvar_RegisterVariable (&cl_lerpanim_maxdelta_framegroups);
2429         Cvar_RegisterVariable (&cl_deathfade);
2430         Cvar_RegisterVariable (&lookspring);
2431         Cvar_RegisterVariable (&lookstrafe);
2432         Cvar_RegisterVariable (&sensitivity);
2433         Cvar_RegisterVariable (&freelook);
2434
2435         Cvar_RegisterVariable (&m_pitch);
2436         Cvar_RegisterVariable (&m_yaw);
2437         Cvar_RegisterVariable (&m_forward);
2438         Cvar_RegisterVariable (&m_side);
2439
2440         Cvar_RegisterVariable (&cl_itembobspeed);
2441         Cvar_RegisterVariable (&cl_itembobheight);
2442
2443         Cmd_AddCommand ("entities", CL_PrintEntities_f, "print information on network entities known to client");
2444         Cmd_AddCommand ("disconnect", CL_Disconnect_f, "disconnect from server (or disconnect all clients if running a server)");
2445         Cmd_AddCommand ("record", CL_Record_f, "record a demo");
2446         Cmd_AddCommand ("stop", CL_Stop_f, "stop recording or playing a demo");
2447         Cmd_AddCommand ("playdemo", CL_PlayDemo_f, "watch a demo file");
2448         Cmd_AddCommand ("timedemo", CL_TimeDemo_f, "play back a demo as fast as possible and save statistics to benchmark.log");
2449
2450         // Support Client-side Model Index List
2451         Cmd_AddCommand ("cl_modelindexlist", CL_ModelIndexList_f, "list information on all models in the client modelindex");
2452         // Support Client-side Sound Index List
2453         Cmd_AddCommand ("cl_soundindexlist", CL_SoundIndexList_f, "list all sounds in the client soundindex");
2454
2455         Cvar_RegisterVariable (&cl_autodemo);
2456         Cvar_RegisterVariable (&cl_autodemo_nameformat);
2457         Cvar_RegisterVariable (&cl_autodemo_delete);
2458
2459         Cmd_AddCommand ("fog", CL_Fog_f, "set global fog parameters (density red green blue [alpha [mindist [maxdist [top [fadedepth]]]]])");
2460         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)");
2461
2462         // LordHavoc: added pausedemo
2463         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)");
2464
2465         Cmd_AddCommand ("cl_areastats", CL_AreaStats_f, "prints statistics on entity culling during collision traces");
2466
2467         Cvar_RegisterVariable(&r_draweffects);
2468         Cvar_RegisterVariable(&cl_explosions_alpha_start);
2469         Cvar_RegisterVariable(&cl_explosions_alpha_end);
2470         Cvar_RegisterVariable(&cl_explosions_size_start);
2471         Cvar_RegisterVariable(&cl_explosions_size_end);
2472         Cvar_RegisterVariable(&cl_explosions_lifetime);
2473         Cvar_RegisterVariable(&cl_stainmaps);
2474         Cvar_RegisterVariable(&cl_stainmaps_clearonload);
2475         Cvar_RegisterVariable(&cl_beams_polygons);
2476         Cvar_RegisterVariable(&cl_beams_quakepositionhack);
2477         Cvar_RegisterVariable(&cl_beams_instantaimhack);
2478         Cvar_RegisterVariable(&cl_beams_lightatend);
2479         Cvar_RegisterVariable(&cl_noplayershadow);
2480         Cvar_RegisterVariable(&cl_dlights_decayradius);
2481         Cvar_RegisterVariable(&cl_dlights_decaybrightness);
2482
2483         Cvar_RegisterVariable(&cl_prydoncursor);
2484         Cvar_RegisterVariable(&cl_prydoncursor_notrace);
2485
2486         Cvar_RegisterVariable(&cl_deathnoviewmodel);
2487
2488         // for QW connections
2489         Cvar_RegisterVariable(&qport);
2490         Cvar_SetValueQuick(&qport, (rand() * RAND_MAX + rand()) & 0xffff);
2491
2492         Cmd_AddCommand("timerefresh", CL_TimeRefresh_f, "turn quickly and print rendering statistcs");
2493
2494         Cvar_RegisterVariable(&cl_locs_enable);
2495         Cvar_RegisterVariable(&cl_locs_show);
2496         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)");
2497         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)");
2498         Cmd_AddCommand("locs_clear", CL_Locs_Clear_f, "remove all loc points/boxes");
2499         Cmd_AddCommand("locs_reload", CL_Locs_Reload_f, "reload .loc file for this map");
2500         Cmd_AddCommand("locs_save", CL_Locs_Save_f, "save .loc file for this map containing currently defined points and boxes");
2501
2502         CL_Parse_Init();
2503         CL_Particles_Init();
2504         CL_Screen_Init();
2505
2506         CL_Video_Init();
2507 }