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 (gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
 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         M_Update_Return_Reason("");
 432         cls.demonum = -1;
 433
 434         // stop demo loop in case this fails
 435         if (cls.demoplayback)
 436                 CL_StopPlayback();
 437
 438         // if downloads are running, cancel their finishing action
 439         Curl_Clear_forthismap();
 440
 441         // make sure the client ports are open before attempting to connect
 442         NetConn_UpdateSockets();
 443
 444         if (LHNETADDRESS_FromString(&cls.connect_address, host, 26000) && (cls.connect_mysocket = NetConn_ChooseClientSocketForAddress(&cls.connect_address)))
 445         {
 446                 cls.connect_trying = true;
 447                 cls.connect_remainingtries = 3;
 448                 cls.connect_nextsendtime = 0;
 449
 450                 // only NOW, set connect_userinfo
 451                 if(firstarg >= 0)
 452                 {
 453                         int i;
 454                         *cls.connect_userinfo = 0;
 455                         for(i = firstarg; i+2 <= Cmd_Argc(); i += 2)
 456                                 InfoString_SetValue(cls.connect_userinfo, sizeof(cls.connect_userinfo), Cmd_Argv(i), Cmd_Argv(i+1));
 457                 }
 458                 else if(firstarg < -1)
 459                 {
 460                         // -1: keep as is (reconnect)
 461                         // -2: clear
 462                         *cls.connect_userinfo = 0;
 463                 }
 464
 465                 M_Update_Return_Reason("Trying to connect...");
 466         }
 467         else
 468         {
 469                 Con_Print("Unable to find a suitable network socket to connect to server.\n");
 470                 M_Update_Return_Reason("No network");
 471         }
 472 }
 473
 474 /*
 475 ==============
 476 CL_PrintEntities_f
 477 ==============
 478 */
 479 static void CL_PrintEntities_f(void)
 480 {
 481         entity_t *ent;
 482         int i;
 483
 484         for (i = 0, ent = cl.entities;i < cl.num_entities;i++, ent++)
 485         {
 486                 const char* modelname;
 487
 488                 if (!ent->state_current.active)
 489                         continue;
 490
 491                 if (ent->render.model)
 492                         modelname = ent->render.model->name;
 493                 else
 494                         modelname = "--no model--";
 495                 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);
 496         }
 497 }
 498
 499 /*
 500 ===============
 501 CL_ModelIndexList_f
 502
 503 List information on all models in the client modelindex
 504 ===============
 505 */
 506 static void CL_ModelIndexList_f(void)
 507 {
 508         int i;
 509         dp_model_t *model;
 510
 511         // Print Header
 512         Con_Printf("%3s: %-30s %-8s %-8s\n", "ID", "Name", "Type", "Triangles");
 513
 514         for (i = -MAX_MODELS;i < MAX_MODELS;i++)
 515         {
 516                 model = CL_GetModelByIndex(i);
 517                 if (!model)
 518                         continue;
 519                 if(model->loaded || i == 1)
 520                         Con_Printf("%3i: %-30s %-8s %-10i\n", i, model->name, model->modeldatatypestring, model->surfmesh.num_triangles);
 521                 else
 522                         Con_Printf("%3i: %-30s %-30s\n", i, model->name, "--no local model found--");
 523                 i++;
 524         }
 525 }
 526
 527 /*
 528 ===============
 529 CL_SoundIndexList_f
 530
 531 List all sounds in the client soundindex
 532 ===============
 533 */
 534 static void CL_SoundIndexList_f(void)
 535 {
 536         int i = 1;
 537
 538         while(cl.sound_precache[i] && i != MAX_SOUNDS)
 539         { // Valid Sound
 540                 Con_Printf("%i : %s\n", i, cl.sound_precache[i]->name);
 541                 i++;
 542         }
 543 }
 544
 545 /*
 546 ===============
 547 CL_UpdateRenderEntity
 548
 549 Updates inversematrix, animation interpolation factors, scale, and mins/maxs
 550 ===============
 551 */
 552 void CL_UpdateRenderEntity(entity_render_t *ent)
 553 {
 554         vec3_t org;
 555         vec_t scale;
 556         dp_model_t *model = ent->model;
 557         // update the inverse matrix for the renderer
 558         Matrix4x4_Invert_Simple(&ent->inversematrix, &ent->matrix);
 559         // update the animation blend state
 560         VM_FrameBlendFromFrameGroupBlend(ent->frameblend, ent->framegroupblend, ent->model, cl.time);
 561         // we need the matrix origin to center the box
 562         Matrix4x4_OriginFromMatrix(&ent->matrix, org);
 563         // update entity->render.scale because the renderer needs it
 564         ent->scale = scale = Matrix4x4_ScaleFromMatrix(&ent->matrix);
 565         if (model)
 566         {
 567                 // NOTE: this directly extracts vector components from the matrix, which relies on the matrix orientation!
 568 #ifdef MATRIX4x4_OPENGLORIENTATION
 569                 if (ent->matrix.m[0][2] != 0 || ent->matrix.m[1][2] != 0)
 570 #else
 571                 if (ent->matrix.m[2][0] != 0 || ent->matrix.m[2][1] != 0)
 572 #endif
 573                 {
 574                         // pitch or roll
 575                         VectorMA(org, scale, model->rotatedmins, ent->mins);
 576                         VectorMA(org, scale, model->rotatedmaxs, ent->maxs);
 577                 }
 578 #ifdef MATRIX4x4_OPENGLORIENTATION
 579                 else if (ent->matrix.m[1][0] != 0 || ent->matrix.m[0][1] != 0)
 580 #else
 581                 else if (ent->matrix.m[0][1] != 0 || ent->matrix.m[1][0] != 0)
 582 #endif
 583                 {
 584                         // yaw
 585                         VectorMA(org, scale, model->yawmins, ent->mins);
 586                         VectorMA(org, scale, model->yawmaxs, ent->maxs);
 587                 }
 588                 else
 589                 {
 590                         VectorMA(org, scale, model->normalmins, ent->mins);
 591                         VectorMA(org, scale, model->normalmaxs, ent->maxs);
 592                 }
 593         }
 594         else
 595         {
 596                 ent->mins[0] = org[0] - 16;
 597                 ent->mins[1] = org[1] - 16;
 598                 ent->mins[2] = org[2] - 16;
 599                 ent->maxs[0] = org[0] + 16;
 600                 ent->maxs[1] = org[1] + 16;
 601                 ent->maxs[2] = org[2] + 16;
 602         }
 603 }
 604
 605 /*
 606 ===============
 607 CL_LerpPoint
 608
 609 Determines the fraction between the last two messages that the objects
 610 should be put at.
 611 ===============
 612 */
 613 static float CL_LerpPoint(void)
 614 {
 615         float f;
 616
 617         if (cl_nettimesyncboundmode.integer == 1)
 618                 cl.time = bound(cl.mtime[1], cl.time, cl.mtime[0]);
 619
 620         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 621         if (cl.mtime[0] <= cl.mtime[1])
 622         {
 623                 cl.time = cl.mtime[0];
 624                 return 1;
 625         }
 626
 627         f = (cl.time - cl.mtime[1]) / (cl.mtime[0] - cl.mtime[1]);
 628         return bound(0, f, 1 + cl_lerpexcess.value);
 629 }
 630
 631 void CL_ClearTempEntities (void)
 632 {
 633         r_refdef.scene.numtempentities = 0;
 634         // grow tempentities buffer on request
 635         if (r_refdef.scene.expandtempentities)
 636         {
 637                 Con_Printf("CL_NewTempEntity: grow maxtempentities from %i to %i\n", r_refdef.scene.maxtempentities, r_refdef.scene.maxtempentities * 2);
 638                 r_refdef.scene.maxtempentities *= 2;
 639                 r_refdef.scene.tempentities = (entity_render_t *)Mem_Realloc(cls.permanentmempool, r_refdef.scene.tempentities, sizeof(entity_render_t) * r_refdef.scene.maxtempentities);
 640                 r_refdef.scene.expandtempentities = false;
 641         }
 642 }
 643
 644 entity_render_t *CL_NewTempEntity(double shadertime)
 645 {
 646         entity_render_t *render;
 647
 648         if (r_refdef.scene.numentities >= r_refdef.scene.maxentities)
 649                 return NULL;
 650         if (r_refdef.scene.numtempentities >= r_refdef.scene.maxtempentities)
 651         {
 652                 r_refdef.scene.expandtempentities = true; // will be reallocated next frame since current frame may have pointers set already
 653                 return NULL;
 654         }
 655         render = &r_refdef.scene.tempentities[r_refdef.scene.numtempentities++];
 656         memset (render, 0, sizeof(*render));
 657         r_refdef.scene.entities[r_refdef.scene.numentities++] = render;
 658
 659         render->shadertime = shadertime;
 660         render->alpha = 1;
 661         VectorSet(render->colormod, 1, 1, 1);
 662         VectorSet(render->glowmod, 1, 1, 1);
 663         return render;
 664 }
 665
 666 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
 667 {
 668         int i;
 669         cl_effect_t *e;
 670         if (!modelindex) // sanity check
 671                 return;
 672         if (framerate < 1)
 673         {
 674                 Con_Printf("CL_Effect: framerate %f is < 1\n", framerate);
 675                 return;
 676         }
 677         if (framecount < 1)
 678         {
 679                 Con_Printf("CL_Effect: framecount %i is < 1\n", framecount);
 680                 return;
 681         }
 682         for (i = 0, e = cl.effects;i < cl.max_effects;i++, e++)
 683         {
 684                 if (e->active)
 685                         continue;
 686                 e->active = true;
 687                 VectorCopy(org, e->origin);
 688                 e->modelindex = modelindex;
 689                 e->starttime = cl.time;
 690                 e->startframe = startframe;
 691                 e->endframe = startframe + framecount;
 692                 e->framerate = framerate;
 693
 694                 e->frame = 0;
 695                 e->frame1time = cl.time;
 696                 e->frame2time = cl.time;
 697                 cl.num_effects = max(cl.num_effects, i + 1);
 698                 break;
 699         }
 700 }
 701
 702 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)
 703 {
 704         int i;
 705         dlight_t *dl;
 706
 707 // then look for anything else
 708         dl = cl.dlights;
 709         for (i = 0;i < cl.max_dlights;i++, dl++)
 710                 if (!dl->radius)
 711                         break;
 712
 713         // unable to find one
 714         if (i == cl.max_dlights)
 715                 return;
 716
 717         //Con_Printf("dlight %i : %f %f %f : %f %f %f\n", i, org[0], org[1], org[2], red * radius, green * radius, blue * radius);
 718         memset (dl, 0, sizeof(*dl));
 719         cl.num_dlights = max(cl.num_dlights, i + 1);
 720         Matrix4x4_Normalize(&dl->matrix, matrix);
 721         dl->ent = ent;
 722         Matrix4x4_OriginFromMatrix(&dl->matrix, dl->origin);
 723         CL_FindNonSolidLocation(dl->origin, dl->origin, 6);
 724         Matrix4x4_SetOrigin(&dl->matrix, dl->origin[0], dl->origin[1], dl->origin[2]);
 725         dl->radius = radius;
 726         dl->color[0] = red;
 727         dl->color[1] = green;
 728         dl->color[2] = blue;
 729         dl->initialradius = radius;
 730         dl->initialcolor[0] = red;
 731         dl->initialcolor[1] = green;
 732         dl->initialcolor[2] = blue;
 733         dl->decay = decay / radius; // changed decay to be a percentage decrease
 734         dl->intensity = 1; // this is what gets decayed
 735         if (lifetime)
 736                 dl->die = cl.time + lifetime;
 737         else
 738                 dl->die = 0;
 739         if (cubemapnum > 0)
 740                 dpsnprintf(dl->cubemapname, sizeof(dl->cubemapname), "cubemaps/%i", cubemapnum);
 741         else
 742                 dl->cubemapname[0] = 0;
 743         dl->style = style;
 744         dl->shadow = shadowenable;
 745         dl->corona = corona;
 746         dl->flags = flags;
 747         dl->coronasizescale = coronasizescale;
 748         dl->ambientscale = ambientscale;
 749         dl->diffusescale = diffusescale;
 750         dl->specularscale = specularscale;
 751 }
 752
 753 static void CL_DecayLightFlashes(void)
 754 {
 755         int i, oldmax;
 756         dlight_t *dl;
 757         float time;
 758
 759         time = bound(0, cl.time - cl.oldtime, 0.1);
 760         oldmax = cl.num_dlights;
 761         cl.num_dlights = 0;
 762         for (i = 0, dl = cl.dlights;i < oldmax;i++, dl++)
 763         {
 764                 if (dl->radius)
 765                 {
 766                         dl->intensity -= time * dl->decay;
 767                         if (cl.time < dl->die && dl->intensity > 0)
 768                         {
 769                                 if (cl_dlights_decayradius.integer)
 770                                         dl->radius = dl->initialradius * dl->intensity;
 771                                 else
 772                                         dl->radius = dl->initialradius;
 773                                 if (cl_dlights_decaybrightness.integer)
 774                                         VectorScale(dl->initialcolor, dl->intensity, dl->color);
 775                                 else
 776                                         VectorCopy(dl->initialcolor, dl->color);
 777                                 cl.num_dlights = i + 1;
 778                         }
 779                         else
 780                                 dl->radius = 0;
 781                 }
 782         }
 783 }
 784
 785 // called before entity relinking
 786 void CL_RelinkLightFlashes(void)
 787 {
 788         int i, j, k, l;
 789         dlight_t *dl;
 790         float frac, f;
 791         matrix4x4_t tempmatrix;
 792
 793         if (r_dynamic.integer)
 794         {
 795                 for (i = 0, dl = cl.dlights;i < cl.num_dlights && r_refdef.scene.numlights < MAX_DLIGHTS;i++, dl++)
 796                 {
 797                         if (dl->radius)
 798                         {
 799                                 tempmatrix = dl->matrix;
 800                                 Matrix4x4_Scale(&tempmatrix, dl->radius, 1);
 801                                 // we need the corona fading to be persistent
 802                                 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);
 803                                 r_refdef.scene.lights[r_refdef.scene.numlights++] = &dl->rtlight;
 804                         }
 805                 }
 806         }
 807
 808         if (!cl.lightstyle)
 809         {
 810                 for (j = 0;j < cl.max_lightstyle;j++)
 811                 {
 812                         r_refdef.scene.rtlightstylevalue[j] = 1;
 813                         r_refdef.scene.lightstylevalue[j] = 256;
 814                 }
 815                 return;
 816         }
 817
 818 // light animations
 819 // 'm' is normal light, 'a' is no light, 'z' is double bright
 820         f = cl.time * 10;
 821         i = (int)floor(f);
 822         frac = f - i;
 823         for (j = 0;j < cl.max_lightstyle;j++)
 824         {
 825                 if (!cl.lightstyle[j].length)
 826                 {
 827                         r_refdef.scene.rtlightstylevalue[j] = 1;
 828                         r_refdef.scene.lightstylevalue[j] = 256;
 829                         continue;
 830                 }
 831                 // static lightstyle "=value"
 832                 if (cl.lightstyle[j].map[0] == '=')
 833                 {
 834                         r_refdef.scene.rtlightstylevalue[j] = atof(cl.lightstyle[j].map + 1);
 835                         if ( r_lerplightstyles.integer || ((int)f - f) < 0.01)
 836                                 r_refdef.scene.lightstylevalue[j] = r_refdef.scene.rtlightstylevalue[j];
 837                         continue;
 838                 }
 839                 k = i % cl.lightstyle[j].length;
 840                 l = (i-1) % cl.lightstyle[j].length;
 841                 k = cl.lightstyle[j].map[k] - 'a';
 842                 l = cl.lightstyle[j].map[l] - 'a';
 843                 // rtlightstylevalue is always interpolated because it has no bad
 844                 // consequences for performance
 845                 // lightstylevalue is subject to a cvar for performance reasons;
 846                 // skipping lightmap updates on most rendered frames substantially
 847                 // improves framerates (but makes light fades look bad)
 848                 r_refdef.scene.rtlightstylevalue[j] = ((k*frac)+(l*(1-frac)))*(22/256.0f);
 849                 r_refdef.scene.lightstylevalue[j] = r_lerplightstyles.integer ? (unsigned short)(((k*frac)+(l*(1-frac)))*22) : k*22;
 850         }
 851 }
 852
 853 static void CL_AddQWCTFFlagModel(entity_t *player, int skin)
 854 {
 855         int frame = player->render.framegroupblend[0].frame;
 856         float f;
 857         entity_render_t *flagrender;
 858         matrix4x4_t flagmatrix;
 859
 860         // this code taken from QuakeWorld
 861         f = 14;
 862         if (frame >= 29 && frame <= 40)
 863         {
 864                 if (frame >= 29 && frame <= 34)
 865                 { //axpain
 866                         if      (frame == 29) f = f + 2;
 867                         else if (frame == 30) f = f + 8;
 868                         else if (frame == 31) f = f + 12;
 869                         else if (frame == 32) f = f + 11;
 870                         else if (frame == 33) f = f + 10;
 871                         else if (frame == 34) f = f + 4;
 872                 }
 873                 else if (frame >= 35 && frame <= 40)
 874                 { // pain
 875                         if      (frame == 35) f = f + 2;
 876                         else if (frame == 36) f = f + 10;
 877                         else if (frame == 37) f = f + 10;
 878                         else if (frame == 38) f = f + 8;
 879                         else if (frame == 39) f = f + 4;
 880                         else if (frame == 40) f = f + 2;
 881                 }
 882         }
 883         else if (frame >= 103 && frame <= 118)
 884         {
 885                 if      (frame >= 103 && frame <= 104) f = f + 6;  //nailattack
 886                 else if (frame >= 105 && frame <= 106) f = f + 6;  //light
 887                 else if (frame >= 107 && frame <= 112) f = f + 7;  //rocketattack
 888                 else if (frame >= 112 && frame <= 118) f = f + 7;  //shotattack
 889         }
 890         // end of code taken from QuakeWorld
 891
 892         flagrender = CL_NewTempEntity(player->render.shadertime);
 893         if (!flagrender)
 894                 return;
 895
 896         flagrender->model = CL_GetModelByIndex(cl.qw_modelindex_flag);
 897         flagrender->skinnum = skin;
 898         flagrender->alpha = 1;
 899         VectorSet(flagrender->colormod, 1, 1, 1);
 900         VectorSet(flagrender->glowmod, 1, 1, 1);
 901         // attach the flag to the player matrix
 902         Matrix4x4_CreateFromQuakeEntity(&flagmatrix, -f, -22, 0, 0, 0, -45, 1);
 903         Matrix4x4_Concat(&flagrender->matrix, &player->render.matrix, &flagmatrix);
 904         CL_UpdateRenderEntity(flagrender);
 905 }
 906
 907 matrix4x4_t viewmodelmatrix_withbob;
 908 matrix4x4_t viewmodelmatrix_nobob;
 909
 910 static const vec3_t muzzleflashorigin = {18, 0, 0};
 911
 912 void CL_SetEntityColormapColors(entity_render_t *ent, int colormap)
 913 {
 914         const unsigned char *cbcolor;
 915         if (colormap >= 0)
 916         {
 917                 cbcolor = palette_rgb_pantscolormap[colormap & 0xF];
 918                 VectorScale(cbcolor, (1.0f / 255.0f), ent->colormap_pantscolor);
 919                 cbcolor = palette_rgb_shirtcolormap[(colormap & 0xF0) >> 4];
 920                 VectorScale(cbcolor, (1.0f / 255.0f), ent->colormap_shirtcolor);
 921         }
 922         else
 923         {
 924                 VectorClear(ent->colormap_pantscolor);
 925                 VectorClear(ent->colormap_shirtcolor);
 926         }
 927 }
 928
 929 // note this is a recursive function, recursionlimit should be 32 or so on the initial call
 930 static void CL_UpdateNetworkEntity(entity_t *e, int recursionlimit, qboolean interpolate)
 931 {
 932         const matrix4x4_t *matrix;
 933         matrix4x4_t blendmatrix, tempmatrix, matrix2;
 934         int frame;
 935         vec_t origin[3], angles[3], lerp;
 936         entity_t *t;
 937         entity_render_t *r;
 938         //entity_persistent_t *p = &e->persistent;
 939         //entity_render_t *r = &e->render;
 940         // skip inactive entities and world
 941         if (!e->state_current.active || e == cl.entities)
 942                 return;
 943         if (recursionlimit < 1)
 944                 return;
 945         e->render.alpha = e->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 946         e->render.scale = e->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 947         e->render.flags = e->state_current.flags;
 948         e->render.effects = e->state_current.effects;
 949         VectorScale(e->state_current.colormod, (1.0f / 32.0f), e->render.colormod);
 950         VectorScale(e->state_current.glowmod, (1.0f / 32.0f), e->render.glowmod);
 951         if(e >= cl.entities && e < cl.entities + cl.num_entities)
 952                 e->render.entitynumber = e - cl.entities;
 953         else
 954                 e->render.entitynumber = 0;
 955         if (e->state_current.flags & RENDER_COLORMAPPED)
 956                 CL_SetEntityColormapColors(&e->render, e->state_current.colormap);
 957         else if (e->state_current.colormap > 0 && e->state_current.colormap <= cl.maxclients && cl.scores != NULL)
 958                 CL_SetEntityColormapColors(&e->render, cl.scores[e->state_current.colormap-1].colors);
 959         else
 960                 CL_SetEntityColormapColors(&e->render, -1);
 961         e->render.skinnum = e->state_current.skin;
 962         if (e->state_current.tagentity)
 963         {
 964                 // attached entity (gun held in player model's hand, etc)
 965                 // if the tag entity is currently impossible, skip it
 966                 if (e->state_current.tagentity >= cl.num_entities)
 967                         return;
 968                 t = cl.entities + e->state_current.tagentity;
 969                 // if the tag entity is inactive, skip it
 970                 if (t->state_current.active)
 971                 {
 972                         // update the parent first
 973                         CL_UpdateNetworkEntity(t, recursionlimit - 1, interpolate);
 974                         r = &t->render;
 975                 }
 976                 else
 977                 {
 978                         // it may still be a CSQC entity... trying to use its
 979                         // info from last render frame (better than nothing)
 980                         if(!cl.csqc_server2csqcentitynumber[e->state_current.tagentity])
 981                                 return;
 982                         r = cl.csqcrenderentities + cl.csqc_server2csqcentitynumber[e->state_current.tagentity];
 983                         if(!r->entitynumber)
 984                                 return; // neither CSQC nor legacy entity... can't attach
 985                 }
 986                 // make relative to the entity
 987                 matrix = &r->matrix;
 988                 // some properties of the tag entity carry over
 989                 e->render.flags |= r->flags & (RENDER_EXTERIORMODEL | RENDER_VIEWMODEL);
 990                 // if a valid tagindex is used, make it relative to that tag instead
 991                 if (e->state_current.tagentity && e->state_current.tagindex >= 1 && r->model)
 992                 {
 993                         if(!Mod_Alias_GetTagMatrix(r->model, r->frameblend, r->skeleton, e->state_current.tagindex - 1, &blendmatrix)) // i.e. no error
 994                         {
 995                                 // concat the tag matrices onto the entity matrix
 996                                 Matrix4x4_Concat(&tempmatrix, &r->matrix, &blendmatrix);
 997                                 // use the constructed tag matrix
 998                                 matrix = &tempmatrix;
 999                         }
1000                 }
1001         }
1002         else if (e->render.flags & RENDER_VIEWMODEL)
1003         {
1004                 // view-relative entity (guns and such)
1005                 if (e->render.effects & EF_NOGUNBOB)
1006                         matrix = &viewmodelmatrix_nobob; // really attached to view
1007                 else
1008                         matrix = &viewmodelmatrix_withbob; // attached to gun bob matrix
1009         }
1010         else
1011         {
1012                 // world-relative entity (the normal kind)
1013                 matrix = &identitymatrix;
1014         }
1015
1016         // movement lerp
1017         // if it's the predicted player entity, update according to client movement
1018         // but don't lerp if going through a teleporter as it causes a bad lerp
1019         // also don't use the predicted location if fixangle was set on both of
1020         // the most recent server messages, as that cause means you are spectating
1021         // someone or watching a cutscene of some sort
1022         if (cl_nolerp.integer || cls.timedemo)
1023                 interpolate = false;
1024         if (e == cl.entities + cl.playerentity && cl.movement_predicted && (!cl.fixangle[1] || !cl.fixangle[0]))
1025         {
1026                 VectorCopy(cl.movement_origin, origin);
1027                 VectorSet(angles, 0, cl.viewangles[1], 0);
1028         }
1029         else if (interpolate && e->persistent.lerpdeltatime > 0 && (lerp = (cl.time - e->persistent.lerpstarttime) / e->persistent.lerpdeltatime) < 1 + cl_lerpexcess.value)
1030         {
1031                 // interpolate the origin and angles
1032                 lerp = max(0, lerp);
1033                 VectorLerp(e->persistent.oldorigin, lerp, e->persistent.neworigin, origin);
1034 #if 0
1035                 // this fails at the singularity of euler angles
1036                 VectorSubtract(e->persistent.newangles, e->persistent.oldangles, delta);
1037                 if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
1038                 if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
1039                 if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
1040                 VectorMA(e->persistent.oldangles, lerp, delta, angles);
1041 #else
1042                 {
1043                         vec3_t f0, u0, f1, u1;
1044                         AngleVectors(e->persistent.oldangles, f0, NULL, u0);
1045                         AngleVectors(e->persistent.newangles, f1, NULL, u1);
1046                         VectorMAM(1-lerp, f0, lerp, f1, f0);
1047                         VectorMAM(1-lerp, u0, lerp, u1, u0);
1048                         AnglesFromVectors(angles, f0, u0, false);
1049                 }
1050 #endif
1051         }
1052         else
1053         {
1054                 // no interpolation
1055                 VectorCopy(e->persistent.neworigin, origin);
1056                 VectorCopy(e->persistent.newangles, angles);
1057         }
1058
1059         // model setup and some modelflags
1060         frame = e->state_current.frame;
1061         e->render.model = CL_GetModelByIndex(e->state_current.modelindex);
1062         if (e->render.model)
1063         {
1064                 if (e->render.skinnum >= e->render.model->numskins)
1065                         e->render.skinnum = 0;
1066                 if (frame >= e->render.model->numframes)
1067                         frame = 0;
1068                 // models can set flags such as EF_ROCKET
1069                 // this 0xFF800000 mask is EF_NOMODELFLAGS plus all the higher EF_ flags such as EF_ROCKET
1070                 if (!(e->render.effects & 0xFF800000))
1071                         e->render.effects |= e->render.model->effects;
1072                 // if model is alias or this is a tenebrae-like dlight, reverse pitch direction
1073                 if (e->render.model->type == mod_alias)
1074                         angles[0] = -angles[0];
1075                 if ((e->render.effects & EF_SELECTABLE) && cl.cmd.cursor_entitynumber == e->state_current.number)
1076                 {
1077                         VectorScale(e->render.colormod, 2, e->render.colormod);
1078                         VectorScale(e->render.glowmod, 2, e->render.glowmod);
1079                 }
1080         }
1081         // if model is alias or this is a tenebrae-like dlight, reverse pitch direction
1082         else if (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC)
1083                 angles[0] = -angles[0];
1084                 // NOTE: this must be synced to SV_GetPitchSign!
1085
1086         if ((e->render.effects & EF_ROTATE) && !(e->render.flags & RENDER_VIEWMODEL))
1087         {
1088                 angles[1] = ANGLEMOD(100*cl.time);
1089                 if (cl_itembobheight.value)
1090                         origin[2] += (cos(cl.time * cl_itembobspeed.value * (2.0 * M_PI)) + 1.0) * 0.5 * cl_itembobheight.value;
1091         }
1092
1093         // animation lerp
1094         e->render.skeleton = NULL;
1095         if (e->render.flags & RENDER_COMPLEXANIMATION)
1096         {
1097                 e->render.framegroupblend[0] = e->state_current.framegroupblend[0];
1098                 e->render.framegroupblend[1] = e->state_current.framegroupblend[1];
1099                 e->render.framegroupblend[2] = e->state_current.framegroupblend[2];
1100                 e->render.framegroupblend[3] = e->state_current.framegroupblend[3];
1101                 if (e->state_current.skeletonobject.model && e->state_current.skeletonobject.relativetransforms)
1102                         e->render.skeleton = &e->state_current.skeletonobject;
1103         }
1104         else if (e->render.framegroupblend[0].frame == frame)
1105         {
1106                 // update frame lerp fraction
1107                 e->render.framegroupblend[0].lerp = 1;
1108                 e->render.framegroupblend[1].lerp = 0;
1109                 if (e->render.framegroupblend[0].start > e->render.framegroupblend[1].start)
1110                 {
1111                         // make sure frame lerp won't last longer than 100ms
1112                         // (this mainly helps with models that use framegroups and
1113                         // switch between them infrequently)
1114                         float maxdelta = cl_lerpanim_maxdelta_server.value;
1115                         if(e->render.model)
1116                         if(e->render.model->animscenes)
1117                         if(e->render.model->animscenes[e->render.framegroupblend[0].frame].framecount > 1 || e->render.model->animscenes[e->render.framegroupblend[1].frame].framecount > 1)
1118                                 maxdelta = cl_lerpanim_maxdelta_framegroups.value;
1119                         maxdelta = max(maxdelta, cl.mtime[0] - cl.mtime[1]);
1120                         e->render.framegroupblend[0].lerp = (cl.time - e->render.framegroupblend[0].start) / min(e->render.framegroupblend[0].start - e->render.framegroupblend[1].start, maxdelta);
1121                         e->render.framegroupblend[0].lerp = bound(0, e->render.framegroupblend[0].lerp, 1);
1122                         e->render.framegroupblend[1].lerp = 1 - e->render.framegroupblend[0].lerp;
1123                 }
1124         }
1125         else
1126         {
1127                 // begin a new frame lerp
1128                 e->render.framegroupblend[1] = e->render.framegroupblend[0];
1129                 e->render.framegroupblend[1].lerp = 1;
1130                 e->render.framegroupblend[0].frame = frame;
1131                 e->render.framegroupblend[0].start = cl.time;
1132                 e->render.framegroupblend[0].lerp = 0;
1133         }
1134
1135         // set up the render matrix
1136         if (matrix)
1137         {
1138                 // attached entity, this requires a matrix multiply (concat)
1139                 // FIXME: e->render.scale should go away
1140                 Matrix4x4_CreateFromQuakeEntity(&matrix2, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
1141                 // concat the matrices to make the entity relative to its tag
1142                 Matrix4x4_Concat(&e->render.matrix, matrix, &matrix2);
1143                 // get the origin from the new matrix
1144                 Matrix4x4_OriginFromMatrix(&e->render.matrix, origin);
1145         }
1146         else
1147         {
1148                 // unattached entities are faster to process
1149                 Matrix4x4_CreateFromQuakeEntity(&e->render.matrix, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
1150         }
1151
1152         // tenebrae's sprites are all additive mode (weird)
1153         if (gamemode == GAME_TENEBRAE && e->render.model && e->render.model->type == mod_sprite)
1154                 e->render.flags |= RENDER_ADDITIVE;
1155         // player model is only shown with chase_active on
1156         if (e->state_current.number == cl.viewentity)
1157                 e->render.flags |= RENDER_EXTERIORMODEL;
1158         // either fullbright or lit
1159         if(!r_fullbright.integer)
1160         {
1161                 if (!(e->render.effects & EF_FULLBRIGHT))
1162                         e->render.flags |= RENDER_LIGHT;
1163                 else if(r_equalize_entities_fullbright.integer)
1164                         e->render.flags |= RENDER_LIGHT | RENDER_EQUALIZE;
1165         }
1166         // hide player shadow during intermission or nehahra movie
1167         if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
1168          && (e->render.alpha >= 1)
1169          && !(e->render.flags & RENDER_VIEWMODEL)
1170          && (!(e->render.flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
1171                 e->render.flags |= RENDER_SHADOW;
1172         if (e->render.flags & RENDER_VIEWMODEL)
1173                 e->render.flags |= RENDER_NOSELFSHADOW;
1174         if (e->render.effects & EF_NOSELFSHADOW)
1175                 e->render.flags |= RENDER_NOSELFSHADOW;
1176         if (e->render.effects & EF_NODEPTHTEST)
1177                 e->render.flags |= RENDER_NODEPTHTEST;
1178         if (e->render.effects & EF_ADDITIVE)
1179                 e->render.flags |= RENDER_ADDITIVE;
1180         if (e->render.effects & EF_DOUBLESIDED)
1181                 e->render.flags |= RENDER_DOUBLESIDED;
1182         if (e->render.effects & EF_DYNAMICMODELLIGHT)
1183                 e->render.flags |= RENDER_DYNAMICMODELLIGHT;
1184
1185         // make the other useful stuff
1186         e->render.allowdecals = true;
1187         CL_UpdateRenderEntity(&e->render);
1188 }
1189
1190 // creates light and trails from an entity
1191 static void CL_UpdateNetworkEntityTrail(entity_t *e)
1192 {
1193         effectnameindex_t trailtype;
1194         vec3_t origin;
1195
1196         // bmodels are treated specially since their origin is usually '0 0 0' and
1197         // their actual geometry is far from '0 0 0'
1198         if (e->render.model && e->render.model->soundfromcenter)
1199         {
1200                 vec3_t o;
1201                 VectorMAM(0.5f, e->render.model->normalmins, 0.5f, e->render.model->normalmaxs, o);
1202                 Matrix4x4_Transform(&e->render.matrix, o, origin);
1203         }
1204         else
1205                 Matrix4x4_OriginFromMatrix(&e->render.matrix, origin);
1206
1207         // handle particle trails and such effects now that we know where this
1208         // entity is in the world...
1209         trailtype = EFFECT_NONE;
1210         // LordHavoc: if the entity has no effects, don't check each
1211         if (e->render.effects & (EF_BRIGHTFIELD | EF_FLAME | EF_STARDUST))
1212         {
1213                 if (e->render.effects & EF_BRIGHTFIELD)
1214                 {
1215                         if (gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
1216                                 trailtype = EFFECT_TR_NEXUIZPLASMA;
1217                         else
1218                                 CL_EntityParticles(e);
1219                 }
1220                 if (e->render.effects & EF_FLAME)
1221                         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);
1222                 if (e->render.effects & EF_STARDUST)
1223                         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);
1224         }
1225         if (e->render.internaleffects & (INTEF_FLAG1QW | INTEF_FLAG2QW))
1226         {
1227                 // these are only set on player entities
1228                 CL_AddQWCTFFlagModel(e, (e->render.internaleffects & INTEF_FLAG2QW) != 0);
1229         }
1230         // muzzleflash fades over time
1231         if (e->persistent.muzzleflash > 0)
1232                 e->persistent.muzzleflash -= bound(0, cl.time - cl.oldtime, 0.1) * 20;
1233         // LordHavoc: if the entity has no effects, don't check each
1234         if (e->render.effects && !(e->render.flags & RENDER_VIEWMODEL))
1235         {
1236                 if (e->render.effects & EF_GIB)
1237                         trailtype = EFFECT_TR_BLOOD;
1238                 else if (e->render.effects & EF_ZOMGIB)
1239                         trailtype = EFFECT_TR_SLIGHTBLOOD;
1240                 else if (e->render.effects & EF_TRACER)
1241                         trailtype = EFFECT_TR_WIZSPIKE;
1242                 else if (e->render.effects & EF_TRACER2)
1243                         trailtype = EFFECT_TR_KNIGHTSPIKE;
1244                 else if (e->render.effects & EF_ROCKET)
1245                         trailtype = EFFECT_TR_ROCKET;
1246                 else if (e->render.effects & EF_GRENADE)
1247                 {
1248                         // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
1249                         trailtype = e->render.alpha == -1 ? EFFECT_TR_NEHAHRASMOKE : EFFECT_TR_GRENADE;
1250                 }
1251                 else if (e->render.effects & EF_TRACER3)
1252                         trailtype = EFFECT_TR_VORESPIKE;
1253         }
1254         // do trails
1255         if (e->render.flags & RENDER_GLOWTRAIL)
1256                 trailtype = EFFECT_TR_GLOWTRAIL;
1257         if (e->state_current.traileffectnum)
1258                 trailtype = (effectnameindex_t)e->state_current.traileffectnum;
1259         // check if a trail is allowed (it is not after a teleport for example)
1260         if (trailtype && e->persistent.trail_allowed)
1261         {
1262                 float len;
1263                 vec3_t vel;
1264                 VectorSubtract(e->state_current.origin, e->state_previous.origin, vel);
1265                 len = e->state_current.time - e->state_previous.time;
1266                 if (len > 0)
1267                         len = 1.0f / len;
1268                 VectorScale(vel, len, vel);
1269                 // 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
1270                 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);
1271         }
1272         // now that the entity has survived one trail update it is allowed to
1273         // leave a real trail on later frames
1274         e->persistent.trail_allowed = true;
1275         VectorCopy(origin, e->persistent.trail_origin);
1276 }
1277
1278
1279 /*
1280 ===============
1281 CL_UpdateViewEntities
1282 ===============
1283 */
1284 void CL_UpdateViewEntities(void)
1285 {
1286         int i;
1287         // update any RENDER_VIEWMODEL entities to use the new view matrix
1288         for (i = 1;i < cl.num_entities;i++)
1289         {
1290                 if (cl.entities_active[i])
1291                 {
1292                         entity_t *ent = cl.entities + i;
1293                         if ((ent->render.flags & RENDER_VIEWMODEL) || ent->state_current.tagentity)
1294                                 CL_UpdateNetworkEntity(ent, 32, true);
1295                 }
1296         }
1297         // and of course the engine viewmodel needs updating as well
1298         CL_UpdateNetworkEntity(&cl.viewent, 32, true);
1299 }
1300
1301 /*
1302 ===============
1303 CL_UpdateNetworkCollisionEntities
1304 ===============
1305 */
1306 static void CL_UpdateNetworkCollisionEntities(void)
1307 {
1308         entity_t *ent;
1309         int i;
1310
1311         // start on the entity after the world
1312         cl.num_brushmodel_entities = 0;
1313         for (i = cl.maxclients + 1;i < cl.num_entities;i++)
1314         {
1315                 if (cl.entities_active[i])
1316                 {
1317                         ent = cl.entities + i;
1318                         if (ent->state_current.active && ent->render.model && ent->render.model->name[0] == '*' && ent->render.model->TraceBox)
1319                         {
1320                                 // do not interpolate the bmodels for this
1321                                 CL_UpdateNetworkEntity(ent, 32, false);
1322                                 cl.brushmodel_entities[cl.num_brushmodel_entities++] = i;
1323                         }
1324                 }
1325         }
1326 }
1327
1328 /*
1329 ===============
1330 CL_UpdateNetworkEntities
1331 ===============
1332 */
1333 static void CL_UpdateNetworkEntities(void)
1334 {
1335         entity_t *ent;
1336         int i;
1337
1338         // start on the entity after the world
1339         for (i = 1;i < cl.num_entities;i++)
1340         {
1341                 if (cl.entities_active[i])
1342                 {
1343                         ent = cl.entities + i;
1344                         if (ent->state_current.active)
1345                         {
1346                                 CL_UpdateNetworkEntity(ent, 32, true);
1347                                 // view models should never create light/trails
1348                                 if (!(ent->render.flags & RENDER_VIEWMODEL))
1349                                         CL_UpdateNetworkEntityTrail(ent);
1350                         }
1351                         else
1352                         {
1353                                 R_DecalSystem_Reset(&ent->render.decalsystem);
1354                                 cl.entities_active[i] = false;
1355                         }
1356                 }
1357         }
1358 }
1359
1360 static void CL_UpdateViewModel(void)
1361 {
1362         entity_t *ent;
1363         ent = &cl.viewent;
1364         ent->state_previous = ent->state_current;
1365         ent->state_current = defaultstate;
1366         ent->state_current.time = cl.time;
1367         ent->state_current.number = (unsigned short)-1;
1368         ent->state_current.active = true;
1369         ent->state_current.modelindex = cl.stats[STAT_WEAPON];
1370         ent->state_current.frame = cl.stats[STAT_WEAPONFRAME];
1371         ent->state_current.flags = RENDER_VIEWMODEL;
1372         if ((cl.stats[STAT_HEALTH] <= 0 && cl_deathnoviewmodel.integer) || cl.intermission)
1373                 ent->state_current.modelindex = 0;
1374         else if (cl.stats[STAT_ITEMS] & IT_INVISIBILITY)
1375         {
1376                 if (gamemode == GAME_TRANSFUSION)
1377                         ent->state_current.alpha = 128;
1378                 else
1379                         ent->state_current.modelindex = 0;
1380         }
1381         ent->state_current.alpha = cl.entities[cl.viewentity].state_current.alpha;
1382         ent->state_current.effects = EF_NOSHADOW | (cl.entities[cl.viewentity].state_current.effects & (EF_ADDITIVE | EF_FULLBRIGHT | EF_NODEPTHTEST | EF_NOGUNBOB));
1383
1384         // reset animation interpolation on weaponmodel if model changed
1385         if (ent->state_previous.modelindex != ent->state_current.modelindex)
1386         {
1387                 ent->render.framegroupblend[0].frame = ent->render.framegroupblend[1].frame = ent->state_current.frame;
1388                 ent->render.framegroupblend[0].start = ent->render.framegroupblend[1].start = cl.time;
1389                 ent->render.framegroupblend[0].lerp = 1;ent->render.framegroupblend[1].lerp = 0;
1390         }
1391         CL_UpdateNetworkEntity(ent, 32, true);
1392 }
1393
1394 // note this is a recursive function, but it can never get in a runaway loop (because of the delayedlink flags)
1395 static void CL_LinkNetworkEntity(entity_t *e)
1396 {
1397         effectnameindex_t trailtype;
1398         vec3_t origin;
1399         vec3_t dlightcolor;
1400         vec_t dlightradius;
1401         char vabuf[1024];
1402
1403         // skip inactive entities and world
1404         if (!e->state_current.active || e == cl.entities)
1405                 return;
1406         if (e->state_current.tagentity)
1407         {
1408                 // if the tag entity is currently impossible, skip it
1409                 if (e->state_current.tagentity >= cl.num_entities)
1410                         return;
1411                 // if the tag entity is inactive, skip it
1412                 if (!cl.entities[e->state_current.tagentity].state_current.active)
1413                 {
1414                         if(!cl.csqc_server2csqcentitynumber[e->state_current.tagentity])
1415                                 return;
1416                         if(!cl.csqcrenderentities[cl.csqc_server2csqcentitynumber[e->state_current.tagentity]].entitynumber)
1417                                 return;
1418                         // if we get here, it's properly csqc networked and attached
1419                 }
1420         }
1421
1422         // create entity dlights associated with this entity
1423         if (e->render.model && e->render.model->soundfromcenter)
1424         {
1425                 // bmodels are treated specially since their origin is usually '0 0 0'
1426                 vec3_t o;
1427                 VectorMAM(0.5f, e->render.model->normalmins, 0.5f, e->render.model->normalmaxs, o);
1428                 Matrix4x4_Transform(&e->render.matrix, o, origin);
1429         }
1430         else
1431                 Matrix4x4_OriginFromMatrix(&e->render.matrix, origin);
1432         trailtype = EFFECT_NONE;
1433         dlightradius = 0;
1434         dlightcolor[0] = 0;
1435         dlightcolor[1] = 0;
1436         dlightcolor[2] = 0;
1437         // LordHavoc: if the entity has no effects, don't check each
1438         if (e->render.effects & (EF_BRIGHTFIELD | EF_DIMLIGHT | EF_BRIGHTLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1439         {
1440                 if (e->render.effects & EF_BRIGHTFIELD)
1441                 {
1442                         if (gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
1443                                 trailtype = EFFECT_TR_NEXUIZPLASMA;
1444                 }
1445                 if (e->render.effects & EF_DIMLIGHT)
1446                 {
1447                         dlightradius = max(dlightradius, 200);
1448                         dlightcolor[0] += 1.50f;
1449                         dlightcolor[1] += 1.50f;
1450                         dlightcolor[2] += 1.50f;
1451                 }
1452                 if (e->render.effects & EF_BRIGHTLIGHT)
1453                 {
1454                         dlightradius = max(dlightradius, 400);
1455                         dlightcolor[0] += 3.00f;
1456                         dlightcolor[1] += 3.00f;
1457                         dlightcolor[2] += 3.00f;
1458                 }
1459                 // LordHavoc: more effects
1460                 if (e->render.effects & EF_RED) // red
1461                 {
1462                         dlightradius = max(dlightradius, 200);
1463                         dlightcolor[0] += 1.50f;
1464                         dlightcolor[1] += 0.15f;
1465                         dlightcolor[2] += 0.15f;
1466                 }
1467                 if (e->render.effects & EF_BLUE) // blue
1468                 {
1469                         dlightradius = max(dlightradius, 200);
1470                         dlightcolor[0] += 0.15f;
1471                         dlightcolor[1] += 0.15f;
1472                         dlightcolor[2] += 1.50f;
1473                 }
1474                 if (e->render.effects & EF_FLAME)
1475                         CL_ParticleTrail(EFFECT_EF_FLAME, 1, origin, origin, vec3_origin, vec3_origin, NULL, 0, true, false, NULL, NULL, 1);
1476                 if (e->render.effects & EF_STARDUST)
1477                         CL_ParticleTrail(EFFECT_EF_STARDUST, 1, origin, origin, vec3_origin, vec3_origin, NULL, 0, true, false, NULL, NULL, 1);
1478         }
1479         // muzzleflash fades over time, and is offset a bit
1480         if (e->persistent.muzzleflash > 0 && r_refdef.scene.numlights < MAX_DLIGHTS)
1481         {
1482                 vec3_t v2;
1483                 vec3_t color;
1484                 trace_t trace;
1485                 matrix4x4_t tempmatrix;
1486                 Matrix4x4_Transform(&e->render.matrix, muzzleflashorigin, v2);
1487                 trace = CL_TraceLine(origin, v2, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_SKY, true, false, NULL, false, false);
1488                 Matrix4x4_Normalize(&tempmatrix, &e->render.matrix);
1489                 Matrix4x4_SetOrigin(&tempmatrix, trace.endpos[0], trace.endpos[1], trace.endpos[2]);
1490                 Matrix4x4_Scale(&tempmatrix, 150, 1);
1491                 VectorSet(color, e->persistent.muzzleflash * 4.0f, e->persistent.muzzleflash * 4.0f, e->persistent.muzzleflash * 4.0f);
1492                 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);
1493                 r_refdef.scene.lights[r_refdef.scene.numlights] = &r_refdef.scene.templights[r_refdef.scene.numlights];r_refdef.scene.numlights++;
1494         }
1495         // LordHavoc: if the model has no flags, don't check each
1496         if (e->render.model && e->render.effects && !(e->render.flags & RENDER_VIEWMODEL))
1497         {
1498                 if (e->render.effects & EF_GIB)
1499                         trailtype = EFFECT_TR_BLOOD;
1500                 else if (e->render.effects & EF_ZOMGIB)
1501                         trailtype = EFFECT_TR_SLIGHTBLOOD;
1502                 else if (e->render.effects & EF_TRACER)
1503                         trailtype = EFFECT_TR_WIZSPIKE;
1504                 else if (e->render.effects & EF_TRACER2)
1505                         trailtype = EFFECT_TR_KNIGHTSPIKE;
1506                 else if (e->render.effects & EF_ROCKET)
1507                         trailtype = EFFECT_TR_ROCKET;
1508                 else if (e->render.effects & EF_GRENADE)
1509                 {
1510                         // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
1511                         trailtype = e->render.alpha == -1 ? EFFECT_TR_NEHAHRASMOKE : EFFECT_TR_GRENADE;
1512                 }
1513                 else if (e->render.effects & EF_TRACER3)
1514                         trailtype = EFFECT_TR_VORESPIKE;
1515         }
1516         // LordHavoc: customizable glow
1517         if (e->state_current.glowsize)
1518         {
1519                 // * 4 for the expansion from 0-255 to 0-1023 range,
1520                 // / 255 to scale down byte colors
1521                 dlightradius = max(dlightradius, e->state_current.glowsize * 4);
1522                 VectorMA(dlightcolor, (1.0f / 255.0f), palette_rgb[e->state_current.glowcolor], dlightcolor);
1523         }
1524         // custom rtlight
1525         if ((e->state_current.lightpflags & PFLAGS_FULLDYNAMIC) && r_refdef.scene.numlights < MAX_DLIGHTS)
1526         {
1527                 matrix4x4_t dlightmatrix;
1528                 vec4_t light;
1529                 VectorScale(e->state_current.light, (1.0f / 256.0f), light);
1530                 light[3] = e->state_current.light[3];
1531                 if (light[0] == 0 && light[1] == 0 && light[2] == 0)
1532                         VectorSet(light, 1, 1, 1);
1533                 if (light[3] == 0)
1534                         light[3] = 350;
1535                 // FIXME: add ambient/diffuse/specular scales as an extension ontop of TENEBRAE_GFX_DLIGHTS?
1536                 Matrix4x4_Normalize(&dlightmatrix, &e->render.matrix);
1537                 Matrix4x4_Scale(&dlightmatrix, light[3], 1);
1538                 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);
1539                 r_refdef.scene.lights[r_refdef.scene.numlights] = &r_refdef.scene.templights[r_refdef.scene.numlights];r_refdef.scene.numlights++;
1540         }
1541         // make the glow dlight
1542         else if (dlightradius > 0 && (dlightcolor[0] || dlightcolor[1] || dlightcolor[2]) && !(e->render.flags & RENDER_VIEWMODEL) && r_refdef.scene.numlights < MAX_DLIGHTS)
1543         {
1544                 matrix4x4_t dlightmatrix;
1545                 Matrix4x4_Normalize(&dlightmatrix, &e->render.matrix);
1546                 // hack to make glowing player light shine on their gun
1547                 //if (e->state_current.number == cl.viewentity/* && !chase_active.integer*/)
1548                 //      Matrix4x4_AdjustOrigin(&dlightmatrix, 0, 0, 30);
1549                 Matrix4x4_Scale(&dlightmatrix, dlightradius, 1);
1550                 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);
1551                 r_refdef.scene.lights[r_refdef.scene.numlights] = &r_refdef.scene.templights[r_refdef.scene.numlights];r_refdef.scene.numlights++;
1552         }
1553         // do trail light
1554         if (e->render.flags & RENDER_GLOWTRAIL)
1555                 trailtype = EFFECT_TR_GLOWTRAIL;
1556         if (e->state_current.traileffectnum)
1557                 trailtype = (effectnameindex_t)e->state_current.traileffectnum;
1558         if (trailtype)
1559                 CL_ParticleTrail(trailtype, 1, origin, origin, vec3_origin, vec3_origin, NULL, e->state_current.glowcolor, true, false, NULL, NULL, 1);
1560
1561         // don't show entities with no modelindex (note: this still shows
1562         // entities which have a modelindex that resolved to a NULL model)
1563         if (e->render.model && !(e->render.effects & EF_NODRAW) && r_refdef.scene.numentities < r_refdef.scene.maxentities)
1564                 r_refdef.scene.entities[r_refdef.scene.numentities++] = &e->render;
1565         //if (cl.viewentity && e->state_current.number == cl.viewentity)
1566         //      Matrix4x4_Print(&e->render.matrix);
1567 }
1568
1569 static void CL_RelinkWorld(void)
1570 {
1571         entity_t *ent = &cl.entities[0];
1572         // FIXME: this should be done at load
1573         ent->render.matrix = identitymatrix;
1574         ent->render.flags = RENDER_SHADOW;
1575         if (!r_fullbright.integer)
1576                 ent->render.flags |= RENDER_LIGHT;
1577         VectorSet(ent->render.colormod, 1, 1, 1);
1578         VectorSet(ent->render.glowmod, 1, 1, 1);
1579         ent->render.allowdecals = true;
1580         CL_UpdateRenderEntity(&ent->render);
1581         r_refdef.scene.worldentity = &ent->render;
1582         r_refdef.scene.worldmodel = cl.worldmodel;
1583 }
1584
1585 static void CL_RelinkStaticEntities(void)
1586 {
1587         int i;
1588         entity_t *e;
1589         for (i = 0, e = cl.static_entities;i < cl.num_static_entities && r_refdef.scene.numentities < r_refdef.scene.maxentities;i++, e++)
1590         {
1591                 e->render.flags = 0;
1592                 // if the model was not loaded when the static entity was created we
1593                 // need to re-fetch the model pointer
1594                 e->render.model = CL_GetModelByIndex(e->state_baseline.modelindex);
1595                 // either fullbright or lit
1596                 if(!r_fullbright.integer)
1597                 {
1598                         if (!(e->render.effects & EF_FULLBRIGHT))
1599                                 e->render.flags |= RENDER_LIGHT;
1600                         else if(r_equalize_entities_fullbright.integer)
1601                                 e->render.flags |= RENDER_LIGHT | RENDER_EQUALIZE;
1602                 }
1603                 // hide player shadow during intermission or nehahra movie
1604                 if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST)) && (e->render.alpha >= 1))
1605                         e->render.flags |= RENDER_SHADOW;
1606                 VectorSet(e->render.colormod, 1, 1, 1);
1607                 VectorSet(e->render.glowmod, 1, 1, 1);
1608                 VM_FrameBlendFromFrameGroupBlend(e->render.frameblend, e->render.framegroupblend, e->render.model, cl.time);
1609                 e->render.allowdecals = true;
1610                 CL_UpdateRenderEntity(&e->render);
1611                 r_refdef.scene.entities[r_refdef.scene.numentities++] = &e->render;
1612         }
1613 }
1614
1615 /*
1616 ===============
1617 CL_RelinkEntities
1618 ===============
1619 */
1620 static void CL_RelinkNetworkEntities(void)
1621 {
1622         entity_t *ent;
1623         int i;
1624
1625         // start on the entity after the world
1626         for (i = 1;i < cl.num_entities;i++)
1627         {
1628                 if (cl.entities_active[i])
1629                 {
1630                         ent = cl.entities + i;
1631                         if (ent->state_current.active)
1632                                 CL_LinkNetworkEntity(ent);
1633                         else
1634                                 cl.entities_active[i] = false;
1635                 }
1636         }
1637 }
1638
1639 static void CL_RelinkEffects(void)
1640 {
1641         int i, intframe;
1642         cl_effect_t *e;
1643         entity_render_t *entrender;
1644         float frame;
1645
1646         for (i = 0, e = cl.effects;i < cl.num_effects;i++, e++)
1647         {
1648                 if (e->active)
1649                 {
1650                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
1651                         intframe = (int)frame;
1652                         if (intframe < 0 || intframe >= e->endframe)
1653                         {
1654                                 memset(e, 0, sizeof(*e));
1655                                 while (cl.num_effects > 0 && !cl.effects[cl.num_effects - 1].active)
1656                                         cl.num_effects--;
1657                                 continue;
1658                         }
1659
1660                         if (intframe != e->frame)
1661                         {
1662                                 e->frame = intframe;
1663                                 e->frame1time = e->frame2time;
1664                                 e->frame2time = cl.time;
1665                         }
1666
1667                         // if we're drawing effects, get a new temp entity
1668                         // (NewTempEntity adds it to the render entities list for us)
1669                         if (r_draweffects.integer && (entrender = CL_NewTempEntity(e->starttime)))
1670                         {
1671                                 // interpolation stuff
1672                                 entrender->framegroupblend[0].frame = intframe;
1673                                 entrender->framegroupblend[0].lerp = 1 - frame - intframe;
1674                                 entrender->framegroupblend[0].start = e->frame1time;
1675                                 if (intframe + 1 >= e->endframe)
1676                                 {
1677                                         entrender->framegroupblend[1].frame = 0; // disappear
1678                                         entrender->framegroupblend[1].lerp = 0;
1679                                         entrender->framegroupblend[1].start = 0;
1680                                 }
1681                                 else
1682                                 {
1683                                         entrender->framegroupblend[1].frame = intframe + 1;
1684                                         entrender->framegroupblend[1].lerp = frame - intframe;
1685                                         entrender->framegroupblend[1].start = e->frame2time;
1686                                 }
1687
1688                                 // normal stuff
1689                                 entrender->model = CL_GetModelByIndex(e->modelindex);
1690                                 entrender->alpha = 1;
1691                                 VectorSet(entrender->colormod, 1, 1, 1);
1692                                 VectorSet(entrender->glowmod, 1, 1, 1);
1693
1694                                 Matrix4x4_CreateFromQuakeEntity(&entrender->matrix, e->origin[0], e->origin[1], e->origin[2], 0, 0, 0, 1);
1695                                 CL_UpdateRenderEntity(entrender);
1696                         }
1697                 }
1698         }
1699 }
1700
1701 void CL_Beam_CalculatePositions(const beam_t *b, vec3_t start, vec3_t end)
1702 {
1703         VectorCopy(b->start, start);
1704         VectorCopy(b->end, end);
1705
1706         // if coming from the player, update the start position
1707         if (b->entity == cl.viewentity)
1708         {
1709                 if (cl_beams_quakepositionhack.integer && !chase_active.integer)
1710                 {
1711                         // LordHavoc: this is a stupid hack from Quake that makes your
1712                         // lightning appear to come from your waist and cover less of your
1713                         // view
1714                         // in Quake this hack was applied to all players (causing the
1715                         // infamous crotch-lightning), but in darkplaces and QuakeWorld it
1716                         // only applies to your own lightning, and only in first person
1717                         Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, start);
1718                 }
1719                 if (cl_beams_instantaimhack.integer)
1720                 {
1721                         vec3_t dir, localend;
1722                         vec_t len;
1723                         // LordHavoc: this updates the beam direction to match your
1724                         // viewangles
1725                         VectorSubtract(end, start, dir);
1726                         len = VectorLength(dir);
1727                         VectorNormalize(dir);
1728                         VectorSet(localend, len, 0, 0);
1729                         Matrix4x4_Transform(&r_refdef.view.matrix, localend, end);
1730                 }
1731         }
1732 }
1733
1734 void CL_RelinkBeams(void)
1735 {
1736         int i;
1737         beam_t *b;
1738         vec3_t dist, org, start, end;
1739         float d;
1740         entity_render_t *entrender;
1741         double yaw, pitch;
1742         float forward;
1743         matrix4x4_t tempmatrix;
1744
1745         for (i = 0, b = cl.beams;i < cl.num_beams;i++, b++)
1746         {
1747                 if (!b->model)
1748                         continue;
1749                 if (b->endtime < cl.time)
1750                 {
1751                         b->model = NULL;
1752                         continue;
1753                 }
1754
1755                 CL_Beam_CalculatePositions(b, start, end);
1756
1757                 if (b->lightning)
1758                 {
1759                         if (cl_beams_lightatend.integer && r_refdef.scene.numlights < MAX_DLIGHTS)
1760                         {
1761                                 // FIXME: create a matrix from the beam start/end orientation
1762                                 vec3_t dlightcolor;
1763                                 VectorSet(dlightcolor, 0.3, 0.7, 1);
1764                                 Matrix4x4_CreateFromQuakeEntity(&tempmatrix, end[0], end[1], end[2], 0, 0, 0, 200);
1765                                 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);
1766                                 r_refdef.scene.lights[r_refdef.scene.numlights] = &r_refdef.scene.templights[r_refdef.scene.numlights];r_refdef.scene.numlights++;
1767                         }
1768                         if (cl_beams_polygons.integer)
1769                                 continue;
1770                 }
1771
1772                 // calculate pitch and yaw
1773                 // (this is similar to the QuakeC builtin function vectoangles)
1774                 VectorSubtract(end, start, dist);
1775                 if (dist[1] == 0 && dist[0] == 0)
1776                 {
1777                         yaw = 0;
1778                         if (dist[2] > 0)
1779                                 pitch = 90;
1780                         else
1781                                 pitch = 270;
1782                 }
1783                 else
1784                 {
1785                         yaw = atan2(dist[1], dist[0]) * 180 / M_PI;
1786                         if (yaw < 0)
1787                                 yaw += 360;
1788
1789                         forward = sqrt (dist[0]*dist[0] + dist[1]*dist[1]);
1790                         pitch = atan2(dist[2], forward) * 180 / M_PI;
1791                         if (pitch < 0)
1792                                 pitch += 360;
1793                 }
1794
1795                 // add new entities for the lightning
1796                 VectorCopy (start, org);
1797                 d = VectorNormalizeLength(dist);
1798                 while (d > 0)
1799                 {
1800                         entrender = CL_NewTempEntity (0);
1801                         if (!entrender)
1802                                 return;
1803                         //VectorCopy (org, ent->render.origin);
1804                         entrender->model = b->model;
1805                         //ent->render.effects = EF_FULLBRIGHT;
1806                         //ent->render.angles[0] = pitch;
1807                         //ent->render.angles[1] = yaw;
1808                         //ent->render.angles[2] = rand()%360;
1809                         Matrix4x4_CreateFromQuakeEntity(&entrender->matrix, org[0], org[1], org[2], -pitch, yaw, lhrandom(0, 360), 1);
1810                         CL_UpdateRenderEntity(entrender);
1811                         VectorMA(org, 30, dist, org);
1812                         d -= 30;
1813                 }
1814         }
1815
1816         while (cl.num_beams > 0 && !cl.beams[cl.num_beams - 1].model)
1817                 cl.num_beams--;
1818 }
1819
1820 static void CL_RelinkQWNails(void)
1821 {
1822         int i;
1823         vec_t *v;
1824         entity_render_t *entrender;
1825
1826         for (i = 0;i < cl.qw_num_nails;i++)
1827         {
1828                 v = cl.qw_nails[i];
1829
1830                 // if we're drawing effects, get a new temp entity
1831                 // (NewTempEntity adds it to the render entities list for us)
1832                 if (!(entrender = CL_NewTempEntity(0)))
1833                         continue;
1834
1835                 // normal stuff
1836                 entrender->model = CL_GetModelByIndex(cl.qw_modelindex_spike);
1837                 entrender->alpha = 1;
1838                 VectorSet(entrender->colormod, 1, 1, 1);
1839                 VectorSet(entrender->glowmod, 1, 1, 1);
1840
1841                 Matrix4x4_CreateFromQuakeEntity(&entrender->matrix, v[0], v[1], v[2], v[3], v[4], v[5], 1);
1842                 CL_UpdateRenderEntity(entrender);
1843         }
1844 }
1845
1846 static void CL_LerpPlayer(float frac)
1847 {
1848         int i;
1849
1850         cl.viewzoom = cl.mviewzoom[1] + frac * (cl.mviewzoom[0] - cl.mviewzoom[1]);
1851         for (i = 0;i < 3;i++)
1852         {
1853                 cl.punchangle[i] = cl.mpunchangle[1][i] + frac * (cl.mpunchangle[0][i] - cl.mpunchangle[1][i]);
1854                 cl.punchvector[i] = cl.mpunchvector[1][i] + frac * (cl.mpunchvector[0][i] - cl.mpunchvector[1][i]);
1855                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
1856         }
1857
1858         // interpolate the angles if playing a demo or spectating someone
1859         if (cls.demoplayback || cl.fixangle[0])
1860         {
1861                 for (i = 0;i < 3;i++)
1862                 {
1863                         float d = cl.mviewangles[0][i] - cl.mviewangles[1][i];
1864                         if (d > 180)
1865                                 d -= 360;
1866                         else if (d < -180)
1867                                 d += 360;
1868                         cl.viewangles[i] = cl.mviewangles[1][i] + frac * d;
1869                 }
1870         }
1871 }
1872
1873 void CSQC_RelinkAllEntities (int drawmask)
1874 {
1875         // link stuff
1876         CL_RelinkWorld();
1877         CL_RelinkStaticEntities();
1878         CL_RelinkBeams();
1879         CL_RelinkEffects();
1880
1881         // link stuff
1882         if (drawmask & ENTMASK_ENGINE)
1883         {
1884                 CL_RelinkNetworkEntities();
1885                 if (drawmask & ENTMASK_ENGINEVIEWMODELS)
1886                         CL_LinkNetworkEntity(&cl.viewent); // link gun model
1887                 CL_RelinkQWNails();
1888         }
1889
1890         // update view blend
1891         V_CalcViewBlend();
1892 }
1893
1894 /*
1895 ===============
1896 CL_UpdateWorld
1897
1898 Update client game world for a new frame
1899 ===============
1900 */
1901 void CL_UpdateWorld(void)
1902 {
1903         r_refdef.scene.extraupdate = !r_speeds.integer;
1904         r_refdef.scene.numentities = 0;
1905         r_refdef.scene.numlights = 0;
1906         r_refdef.view.matrix = identitymatrix;
1907         r_refdef.view.quality = 1;
1908
1909         cl.num_brushmodel_entities = 0;
1910
1911         if (cls.state == ca_connected && cls.signon == SIGNONS)
1912         {
1913                 // prepare for a new frame
1914                 CL_LerpPlayer(CL_LerpPoint());
1915                 CL_DecayLightFlashes();
1916                 CL_ClearTempEntities();
1917                 V_DriftPitch();
1918                 V_FadeViewFlashs();
1919
1920                 // if prediction is enabled we have to update all the collidable
1921                 // network entities before the prediction code can be run
1922                 CL_UpdateNetworkCollisionEntities();
1923
1924                 // now update the player prediction
1925                 CL_ClientMovement_Replay();
1926
1927                 // update the player entity (which may be predicted)
1928                 CL_UpdateNetworkEntity(cl.entities + cl.viewentity, 32, true);
1929
1930                 // now update the view (which depends on that player entity)
1931                 V_CalcRefdef();
1932
1933                 // now update all the network entities and create particle trails
1934                 // (some entities may depend on the view)
1935                 CL_UpdateNetworkEntities();
1936
1937                 // update the engine-based viewmodel
1938                 CL_UpdateViewModel();
1939
1940                 CL_RelinkLightFlashes();
1941                 CSQC_RelinkAllEntities(ENTMASK_ENGINE | ENTMASK_ENGINEVIEWMODELS);
1942
1943                 // decals, particles, and explosions will be updated during rneder
1944         }
1945
1946         r_refdef.scene.time = cl.time;
1947 }
1948
1949 // LordHavoc: pausedemo command
1950 static void CL_PauseDemo_f (void)
1951 {
1952         cls.demopaused = !cls.demopaused;
1953         if (cls.demopaused)
1954                 Con_Print("Demo paused\n");
1955         else
1956                 Con_Print("Demo unpaused\n");
1957 }
1958
1959 /*
1960 ======================
1961 CL_Fog_f
1962 ======================
1963 */
1964 static void CL_Fog_f (void)
1965 {
1966         if (Cmd_Argc () == 1)
1967         {
1968                 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);
1969                 return;
1970         }
1971         FOG_clear(); // so missing values get good defaults
1972         if(Cmd_Argc() > 1)
1973                 r_refdef.fog_density = atof(Cmd_Argv(1));
1974         if(Cmd_Argc() > 2)
1975                 r_refdef.fog_red = atof(Cmd_Argv(2));
1976         if(Cmd_Argc() > 3)
1977                 r_refdef.fog_green = atof(Cmd_Argv(3));
1978         if(Cmd_Argc() > 4)
1979                 r_refdef.fog_blue = atof(Cmd_Argv(4));
1980         if(Cmd_Argc() > 5)
1981                 r_refdef.fog_alpha = atof(Cmd_Argv(5));
1982         if(Cmd_Argc() > 6)
1983                 r_refdef.fog_start = atof(Cmd_Argv(6));
1984         if(Cmd_Argc() > 7)
1985                 r_refdef.fog_end = atof(Cmd_Argv(7));
1986         if(Cmd_Argc() > 8)
1987                 r_refdef.fog_height = atof(Cmd_Argv(8));
1988         if(Cmd_Argc() > 9)
1989                 r_refdef.fog_fadedepth = atof(Cmd_Argv(9));
1990 }
1991
1992 /*
1993 ======================
1994 CL_FogHeightTexture_f
1995 ======================
1996 */
1997 static void CL_Fog_HeightTexture_f (void)
1998 {
1999         if (Cmd_Argc () < 11)
2000         {
2001                 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);
2002                 return;
2003         }
2004         FOG_clear(); // so missing values get good defaults
2005         r_refdef.fog_density = atof(Cmd_Argv(1));
2006         r_refdef.fog_red = atof(Cmd_Argv(2));
2007         r_refdef.fog_green = atof(Cmd_Argv(3));
2008         r_refdef.fog_blue = atof(Cmd_Argv(4));
2009         r_refdef.fog_alpha = atof(Cmd_Argv(5));
2010         r_refdef.fog_start = atof(Cmd_Argv(6));
2011         r_refdef.fog_end = atof(Cmd_Argv(7));
2012         r_refdef.fog_height = atof(Cmd_Argv(8));
2013         r_refdef.fog_fadedepth = atof(Cmd_Argv(9));
2014         strlcpy(r_refdef.fog_height_texturename, Cmd_Argv(10), sizeof(r_refdef.fog_height_texturename));
2015 }
2016
2017
2018 /*
2019 ====================
2020 CL_TimeRefresh_f
2021
2022 For program optimization
2023 ====================
2024 */
2025 static void CL_TimeRefresh_f (void)
2026 {
2027         int i;
2028         double timestart, timedelta;
2029
2030         r_refdef.scene.extraupdate = false;
2031
2032         timestart = Sys_DirtyTime();
2033         for (i = 0;i < 128;i++)
2034         {
2035                 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);
2036                 r_refdef.view.quality = 1;
2037                 CL_UpdateScreen();
2038         }
2039         timedelta = Sys_DirtyTime() - timestart;
2040
2041         Con_Printf("%f seconds (%f fps)\n", timedelta, 128/timedelta);
2042 }
2043
2044 static void CL_AreaStats_f(void)
2045 {
2046         World_PrintAreaStats(&cl.world, "client");
2047 }
2048
2049 cl_locnode_t *CL_Locs_FindNearest(const vec3_t point)
2050 {
2051         int i;
2052         cl_locnode_t *loc;
2053         cl_locnode_t *best;
2054         vec3_t nearestpoint;
2055         vec_t dist, bestdist;
2056         best = NULL;
2057         bestdist = 0;
2058         for (loc = cl.locnodes;loc;loc = loc->next)
2059         {
2060                 for (i = 0;i < 3;i++)
2061                         nearestpoint[i] = bound(loc->mins[i], point[i], loc->maxs[i]);
2062                 dist = VectorDistance2(nearestpoint, point);
2063                 if (bestdist > dist || !best)
2064                 {
2065                         bestdist = dist;
2066                         best = loc;
2067                         if (bestdist < 1)
2068                                 break;
2069                 }
2070         }
2071         return best;
2072 }
2073
2074 void CL_Locs_FindLocationName(char *buffer, size_t buffersize, vec3_t point)
2075 {
2076         cl_locnode_t *loc;
2077         loc = CL_Locs_FindNearest(point);
2078         if (loc)
2079                 strlcpy(buffer, loc->name, buffersize);
2080         else
2081                 dpsnprintf(buffer, buffersize, "LOC=%.0f:%.0f:%.0f", point[0], point[1], point[2]);
2082 }
2083
2084 static void CL_Locs_FreeNode(cl_locnode_t *node)
2085 {
2086         cl_locnode_t **pointer, **next;
2087         for (pointer = &cl.locnodes;*pointer;pointer = next)
2088         {
2089                 next = &(*pointer)->next;
2090                 if (*pointer == node)
2091                 {
2092                         *pointer = node->next;
2093                         Mem_Free(node);
2094                         return;
2095                 }
2096         }
2097         Con_Printf("CL_Locs_FreeNode: no such node! (%p)\n", (void *)node);
2098 }
2099
2100 static void CL_Locs_AddNode(vec3_t mins, vec3_t maxs, const char *name)
2101 {
2102         cl_locnode_t *node, **pointer;
2103         int namelen;
2104         if (!name)
2105                 name = "";
2106         namelen = strlen(name);
2107         node = (cl_locnode_t *) Mem_Alloc(cls.levelmempool, sizeof(cl_locnode_t) + namelen + 1);
2108         VectorSet(node->mins, min(mins[0], maxs[0]), min(mins[1], maxs[1]), min(mins[2], maxs[2]));
2109         VectorSet(node->maxs, max(mins[0], maxs[0]), max(mins[1], maxs[1]), max(mins[2], maxs[2]));
2110         node->name = (char *)(node + 1);
2111         memcpy(node->name, name, namelen);
2112         node->name[namelen] = 0;
2113         // link it into the tail of the list to preserve the order
2114         for (pointer = &cl.locnodes;*pointer;pointer = &(*pointer)->next)
2115                 ;
2116         *pointer = node;
2117 }
2118
2119 static void CL_Locs_Add_f(void)
2120 {
2121         vec3_t mins, maxs;
2122         if (Cmd_Argc() != 5 && Cmd_Argc() != 8)
2123         {
2124                 Con_Printf("usage: %s x y z[ x y z] name\n", Cmd_Argv(0));
2125                 return;
2126         }
2127         mins[0] = atof(Cmd_Argv(1));
2128         mins[1] = atof(Cmd_Argv(2));
2129         mins[2] = atof(Cmd_Argv(3));
2130         if (Cmd_Argc() == 8)
2131         {
2132                 maxs[0] = atof(Cmd_Argv(4));
2133                 maxs[1] = atof(Cmd_Argv(5));
2134                 maxs[2] = atof(Cmd_Argv(6));
2135                 CL_Locs_AddNode(mins, maxs, Cmd_Argv(7));
2136         }
2137         else
2138                 CL_Locs_AddNode(mins, mins, Cmd_Argv(4));
2139 }
2140
2141 static void CL_Locs_RemoveNearest_f(void)
2142 {
2143         cl_locnode_t *loc;
2144         loc = CL_Locs_FindNearest(r_refdef.view.origin);
2145         if (loc)
2146                 CL_Locs_FreeNode(loc);
2147         else
2148                 Con_Printf("no loc point or box found for your location\n");
2149 }
2150
2151 static void CL_Locs_Clear_f(void)
2152 {
2153         while (cl.locnodes)
2154                 CL_Locs_FreeNode(cl.locnodes);
2155 }
2156
2157 static void CL_Locs_Save_f(void)
2158 {
2159         cl_locnode_t *loc;
2160         qfile_t *outfile;
2161         char locfilename[MAX_QPATH];
2162         if (!cl.locnodes)
2163         {
2164                 Con_Printf("No loc points/boxes exist!\n");
2165                 return;
2166         }
2167         if (cls.state != ca_connected || !cl.worldmodel)
2168         {
2169                 Con_Printf("No level loaded!\n");
2170                 return;
2171         }
2172         dpsnprintf(locfilename, sizeof(locfilename), "%s.loc", cl.worldnamenoextension);
2173
2174         outfile = FS_OpenRealFile(locfilename, "w", false);
2175         if (!outfile)
2176                 return;
2177         // if any boxes are used then this is a proquake-format loc file, which
2178         // allows comments, so add some relevant information at the start
2179         for (loc = cl.locnodes;loc;loc = loc->next)
2180                 if (!VectorCompare(loc->mins, loc->maxs))
2181                         break;
2182         if (loc)
2183         {
2184                 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);
2185                 for (loc = cl.locnodes;loc;loc = loc->next)
2186                         if (VectorCompare(loc->mins, loc->maxs))
2187                                 break;
2188                 if (loc)
2189                         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");
2190         }
2191         for (loc = cl.locnodes;loc;loc = loc->next)
2192         {
2193                 if (VectorCompare(loc->mins, loc->maxs))
2194                 {
2195                         int len;
2196                         const char *s;
2197                         const char *in = loc->name;
2198                         char name[MAX_INPUTLINE];
2199                         for (len = 0;len < (int)sizeof(name) - 1 && *in;)
2200                         {
2201                                 if (*in == ' ') {s = "$loc_name_separator";in++;}
2202                                 else if (!strncmp(in, "SSG", 3)) {s = "$loc_name_ssg";in += 3;}
2203                                 else if (!strncmp(in, "NG", 2)) {s = "$loc_name_ng";in += 2;}
2204                                 else if (!strncmp(in, "SNG", 3)) {s = "$loc_name_sng";in += 3;}
2205                                 else if (!strncmp(in, "GL", 2)) {s = "$loc_name_gl";in += 2;}
2206                                 else if (!strncmp(in, "RL", 2)) {s = "$loc_name_rl";in += 2;}
2207                                 else if (!strncmp(in, "LG", 2)) {s = "$loc_name_lg";in += 2;}
2208                                 else if (!strncmp(in, "GA", 2)) {s = "$loc_name_ga";in += 2;}
2209                                 else if (!strncmp(in, "YA", 2)) {s = "$loc_name_ya";in += 2;}
2210                                 else if (!strncmp(in, "RA", 2)) {s = "$loc_name_ra";in += 2;}
2211                                 else if (!strncmp(in, "MEGA", 4)) {s = "$loc_name_mh";in += 4;}
2212                                 else s = NULL;
2213                                 if (s)
2214                                 {
2215                                         while (len < (int)sizeof(name) - 1 && *s)
2216                                                 name[len++] = *s++;
2217                                         continue;
2218                                 }
2219                                 name[len++] = *in++;
2220                         }
2221                         name[len] = 0;
2222                         FS_Printf(outfile, "%.0f %.0f %.0f %s\n", loc->mins[0]*8, loc->mins[1]*8, loc->mins[2]*8, name);
2223                 }
2224                 else
2225                         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);
2226         }
2227         FS_Close(outfile);
2228 }
2229
2230 void CL_Locs_Reload_f(void)
2231 {
2232         int i, linenumber, limit, len;
2233         const char *s;
2234         char *filedata, *text, *textend, *linestart, *linetext, *lineend;
2235         fs_offset_t filesize;
2236         vec3_t mins, maxs;
2237         char locfilename[MAX_QPATH];
2238         char name[MAX_INPUTLINE];
2239
2240         if (cls.state != ca_connected || !cl.worldmodel)
2241         {
2242                 Con_Printf("No level loaded!\n");
2243                 return;
2244         }
2245
2246         CL_Locs_Clear_f();
2247
2248         // try maps/something.loc first (LordHavoc: where I think they should be)
2249         dpsnprintf(locfilename, sizeof(locfilename), "%s.loc", cl.worldnamenoextension);
2250         filedata = (char *)FS_LoadFile(locfilename, cls.levelmempool, false, &filesize);
2251         if (!filedata)
2252         {
2253                 // try proquake name as well (LordHavoc: I hate path mangling)
2254                 dpsnprintf(locfilename, sizeof(locfilename), "locs/%s.loc", cl.worldbasename);
2255                 filedata = (char *)FS_LoadFile(locfilename, cls.levelmempool, false, &filesize);
2256                 if (!filedata)
2257                         return;
2258         }
2259         text = filedata;
2260         textend = filedata + filesize;
2261         for (linenumber = 1;text < textend;linenumber++)
2262         {
2263                 linestart = text;
2264                 for (;text < textend && *text != '\r' && *text != '\n';text++)
2265                         ;
2266                 lineend = text;
2267                 if (text + 1 < textend && *text == '\r' && text[1] == '\n')
2268                         text++;
2269                 if (text < textend)
2270                         text++;
2271                 // trim trailing whitespace
2272                 while (lineend > linestart && ISWHITESPACE(lineend[-1]))
2273                         lineend--;
2274                 // trim leading whitespace
2275                 while (linestart < lineend && ISWHITESPACE(*linestart))
2276                         linestart++;
2277                 // check if this is a comment
2278                 if (linestart + 2 <= lineend && !strncmp(linestart, "//", 2))
2279                         continue;
2280                 linetext = linestart;
2281                 limit = 3;
2282                 for (i = 0;i < limit;i++)
2283                 {
2284                         if (linetext >= lineend)
2285                                 break;
2286                         // note: a missing number is interpreted as 0
2287                         if (i < 3)
2288                                 mins[i] = atof(linetext);
2289                         else
2290                                 maxs[i - 3] = atof(linetext);
2291                         // now advance past the number
2292                         while (linetext < lineend && !ISWHITESPACE(*linetext) && *linetext != ',')
2293                                 linetext++;
2294                         // advance through whitespace
2295                         if (linetext < lineend)
2296                         {
2297                                 if (*linetext == ',')
2298                                 {
2299                                         linetext++;
2300                                         limit = 6;
2301                                         // note: comma can be followed by whitespace
2302                                 }
2303                                 if (ISWHITESPACE(*linetext))
2304                                 {
2305                                         // skip whitespace
2306                                         while (linetext < lineend && ISWHITESPACE(*linetext))
2307                                                 linetext++;
2308                                 }
2309                         }
2310                 }
2311                 // if this is a quoted name, remove the quotes
2312                 if (i == 6)
2313                 {
2314                         if (linetext >= lineend || *linetext != '"')
2315                                 continue; // proquake location names are always quoted
2316                         lineend--;
2317                         linetext++;
2318                         len = min(lineend - linetext, (int)sizeof(name) - 1);
2319                         memcpy(name, linetext, len);
2320                         name[len] = 0;
2321                         // add the box to the list
2322                         CL_Locs_AddNode(mins, maxs, name);
2323                 }
2324                 // if a point was parsed, it needs to be scaled down by 8 (since
2325                 // point-based loc files were invented by a proxy which dealt
2326                 // directly with quake protocol coordinates, which are *8), turn
2327                 // it into a box
2328                 else if (i == 3)
2329                 {
2330                         // interpret silly fuhquake macros
2331                         for (len = 0;len < (int)sizeof(name) - 1 && linetext < lineend;)
2332                         {
2333                                 if (*linetext == '$')
2334                                 {
2335                                         if (linetext + 18 <= lineend && !strncmp(linetext, "$loc_name_separator", 19)) {s = " ";linetext += 19;}
2336                                         else if (linetext + 13 <= lineend && !strncmp(linetext, "$loc_name_ssg", 13)) {s = "SSG";linetext += 13;}
2337                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_ng", 12)) {s = "NG";linetext += 12;}
2338                                         else if (linetext + 13 <= lineend && !strncmp(linetext, "$loc_name_sng", 13)) {s = "SNG";linetext += 13;}
2339                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_gl", 12)) {s = "GL";linetext += 12;}
2340                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_rl", 12)) {s = "RL";linetext += 12;}
2341                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_lg", 12)) {s = "LG";linetext += 12;}
2342                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_ga", 12)) {s = "GA";linetext += 12;}
2343                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_ya", 12)) {s = "YA";linetext += 12;}
2344                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_ra", 12)) {s = "RA";linetext += 12;}
2345                                         else if (linetext + 12 <= lineend && !strncmp(linetext, "$loc_name_mh", 12)) {s = "MEGA";linetext += 12;}
2346                                         else s = NULL;
2347                                         if (s)
2348                                         {
2349                                                 while (len < (int)sizeof(name) - 1 && *s)
2350                                                         name[len++] = *s++;
2351                                                 continue;
2352                                         }
2353                                 }
2354                                 name[len++] = *linetext++;
2355                         }
2356                         name[len] = 0;
2357                         // add the point to the list
2358                         VectorScale(mins, (1.0 / 8.0), mins);
2359                         CL_Locs_AddNode(mins, mins, name);
2360                 }
2361                 else
2362                         continue;
2363         }
2364 }
2365
2366 /*
2367 ===========
2368 CL_Shutdown
2369 ===========
2370 */
2371 void CL_Shutdown (void)
2372 {
2373         CL_Screen_Shutdown();
2374         CL_Particles_Shutdown();
2375         CL_Parse_Shutdown();
2376
2377         Mem_FreePool (&cls.permanentmempool);
2378         Mem_FreePool (&cls.levelmempool);
2379 }
2380
2381 /*
2382 =================
2383 CL_Init
2384 =================
2385 */
2386 void CL_Init (void)
2387 {
2388
2389         cls.levelmempool = Mem_AllocPool("client (per-level memory)", 0, NULL);
2390         cls.permanentmempool = Mem_AllocPool("client (long term memory)", 0, NULL);
2391
2392         memset(&r_refdef, 0, sizeof(r_refdef));
2393         // max entities sent to renderer per frame
2394         r_refdef.scene.maxentities = MAX_EDICTS + 256 + 512;
2395         r_refdef.scene.entities = (entity_render_t **)Mem_Alloc(cls.permanentmempool, sizeof(entity_render_t *) * r_refdef.scene.maxentities);
2396
2397         // max temp entities
2398         r_refdef.scene.maxtempentities = MAX_TEMPENTITIES;
2399         r_refdef.scene.tempentities = (entity_render_t *)Mem_Alloc(cls.permanentmempool, sizeof(entity_render_t) * r_refdef.scene.maxtempentities);
2400
2401         CL_InitInput ();
2402
2403 //
2404 // register our commands
2405 //
2406         Cvar_RegisterVariable (&cl_upspeed);
2407         Cvar_RegisterVariable (&cl_forwardspeed);
2408         Cvar_RegisterVariable (&cl_backspeed);
2409         Cvar_RegisterVariable (&cl_sidespeed);
2410         Cvar_RegisterVariable (&cl_movespeedkey);
2411         Cvar_RegisterVariable (&cl_yawspeed);
2412         Cvar_RegisterVariable (&cl_pitchspeed);
2413         Cvar_RegisterVariable (&cl_anglespeedkey);
2414         Cvar_RegisterVariable (&cl_shownet);
2415         Cvar_RegisterVariable (&cl_nolerp);
2416         Cvar_RegisterVariable (&cl_lerpexcess);
2417         Cvar_RegisterVariable (&cl_lerpanim_maxdelta_server);
2418         Cvar_RegisterVariable (&cl_lerpanim_maxdelta_framegroups);
2419         Cvar_RegisterVariable (&cl_deathfade);
2420         Cvar_RegisterVariable (&lookspring);
2421         Cvar_RegisterVariable (&lookstrafe);
2422         Cvar_RegisterVariable (&sensitivity);
2423         Cvar_RegisterVariable (&freelook);
2424
2425         Cvar_RegisterVariable (&m_pitch);
2426         Cvar_RegisterVariable (&m_yaw);
2427         Cvar_RegisterVariable (&m_forward);
2428         Cvar_RegisterVariable (&m_side);
2429
2430         Cvar_RegisterVariable (&cl_itembobspeed);
2431         Cvar_RegisterVariable (&cl_itembobheight);
2432
2433         Cmd_AddCommand ("entities", CL_PrintEntities_f, "print information on network entities known to client");
2434         Cmd_AddCommand ("disconnect", CL_Disconnect_f, "disconnect from server (or disconnect all clients if running a server)");
2435         Cmd_AddCommand ("record", CL_Record_f, "record a demo");
2436         Cmd_AddCommand ("stop", CL_Stop_f, "stop recording or playing a demo");
2437         Cmd_AddCommand ("playdemo", CL_PlayDemo_f, "watch a demo file");
2438         Cmd_AddCommand ("timedemo", CL_TimeDemo_f, "play back a demo as fast as possible and save statistics to benchmark.log");
2439
2440         // Support Client-side Model Index List
2441         Cmd_AddCommand ("cl_modelindexlist", CL_ModelIndexList_f, "list information on all models in the client modelindex");
2442         // Support Client-side Sound Index List
2443         Cmd_AddCommand ("cl_soundindexlist", CL_SoundIndexList_f, "list all sounds in the client soundindex");
2444
2445         Cvar_RegisterVariable (&cl_autodemo);
2446         Cvar_RegisterVariable (&cl_autodemo_nameformat);
2447         Cvar_RegisterVariable (&cl_autodemo_delete);
2448
2449         Cmd_AddCommand ("fog", CL_Fog_f, "set global fog parameters (density red green blue [alpha [mindist [maxdist [top [fadedepth]]]]])");
2450         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)");
2451
2452         // LordHavoc: added pausedemo
2453         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)");
2454
2455         Cmd_AddCommand ("cl_areastats", CL_AreaStats_f, "prints statistics on entity culling during collision traces");
2456
2457         Cvar_RegisterVariable(&r_draweffects);
2458         Cvar_RegisterVariable(&cl_explosions_alpha_start);
2459         Cvar_RegisterVariable(&cl_explosions_alpha_end);
2460         Cvar_RegisterVariable(&cl_explosions_size_start);
2461         Cvar_RegisterVariable(&cl_explosions_size_end);
2462         Cvar_RegisterVariable(&cl_explosions_lifetime);
2463         Cvar_RegisterVariable(&cl_stainmaps);
2464         Cvar_RegisterVariable(&cl_stainmaps_clearonload);
2465         Cvar_RegisterVariable(&cl_beams_polygons);
2466         Cvar_RegisterVariable(&cl_beams_quakepositionhack);
2467         Cvar_RegisterVariable(&cl_beams_instantaimhack);
2468         Cvar_RegisterVariable(&cl_beams_lightatend);
2469         Cvar_RegisterVariable(&cl_noplayershadow);
2470         Cvar_RegisterVariable(&cl_dlights_decayradius);
2471         Cvar_RegisterVariable(&cl_dlights_decaybrightness);
2472
2473         Cvar_RegisterVariable(&cl_prydoncursor);
2474         Cvar_RegisterVariable(&cl_prydoncursor_notrace);
2475
2476         Cvar_RegisterVariable(&cl_deathnoviewmodel);
2477
2478         // for QW connections
2479         Cvar_RegisterVariable(&qport);
2480         Cvar_SetValueQuick(&qport, (rand() * RAND_MAX + rand()) & 0xffff);
2481
2482         Cmd_AddCommand("timerefresh", CL_TimeRefresh_f, "turn quickly and print rendering statistcs");
2483
2484         Cvar_RegisterVariable(&cl_locs_enable);
2485         Cvar_RegisterVariable(&cl_locs_show);
2486         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)");
2487         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)");
2488         Cmd_AddCommand("locs_clear", CL_Locs_Clear_f, "remove all loc points/boxes");
2489         Cmd_AddCommand("locs_reload", CL_Locs_Reload_f, "reload .loc file for this map");
2490         Cmd_AddCommand("locs_save", CL_Locs_Save_f, "save .loc file for this map containing currently defined points and boxes");
2491
2492         CL_Parse_Init();
2493         CL_Particles_Init();
2494         CL_Screen_Init();
2495
2496         CL_Video_Init();
2497 }