cl_main.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // cl_main.c  -- client main loop
  21
  22 #include "quakedef.h"
  23 #include "cl_collision.h"
  24 #include "cl_video.h"
  25 #include "image.h"
  26 #include "csprogs.h"
  27 #include "r_shadow.h"
  28 #include "libcurl.h"
  29
  30 // we need to declare some mouse variables here, because the menu system
  31 // references them even when on a unix system.
  32
  33 cvar_t csqc_progname = {0, "csqc_progname","csprogs.dat","name of csprogs.dat file to load"};   //[515]: csqc crc check and right csprogs name according to progs.dat
  34 cvar_t csqc_progcrc = {CVAR_READONLY, "csqc_progcrc","-1","CRC of csprogs.dat file to load (-1 is none), only used during level changes and then reset to -1"};
  35 cvar_t csqc_progsize = {CVAR_READONLY, "csqc_progsize","-1","file size of csprogs.dat file to load (-1 is none), only used during level changes and then reset to -1"};
  36
  37 cvar_t cl_shownet = {0, "cl_shownet","0","1 = print packet size, 2 = print packet message list"};
  38 cvar_t cl_nolerp = {0, "cl_nolerp", "0","network update smoothing"};
  39
  40 cvar_t cl_itembobheight = {0, "cl_itembobheight", "0","how much items bob up and down (try 8)"};
  41 cvar_t cl_itembobspeed = {0, "cl_itembobspeed", "0.5","how frequently items bob up and down"};
  42
  43 cvar_t lookspring = {CVAR_SAVE, "lookspring","0","returns pitch to level with the floor when no longer holding a pitch key"};
  44 cvar_t lookstrafe = {CVAR_SAVE, "lookstrafe","0","move instead of turning"};
  45 cvar_t sensitivity = {CVAR_SAVE, "sensitivity","3","mouse speed multiplier"};
  46
  47 cvar_t m_pitch = {CVAR_SAVE, "m_pitch","0.022","mouse pitch speed multiplier"};
  48 cvar_t m_yaw = {CVAR_SAVE, "m_yaw","0.022","mouse yaw speed multiplier"};
  49 cvar_t m_forward = {CVAR_SAVE, "m_forward","1","mouse forward speed multiplier"};
  50 cvar_t m_side = {CVAR_SAVE, "m_side","0.8","mouse side speed multiplier"};
  51
  52 cvar_t freelook = {CVAR_SAVE, "freelook", "1","mouse controls pitch instead of forward/back"};
  53
  54 #ifdef AUTODEMO_BROKEN
  55 cvar_t cl_autodemo = {0, "cl_autodemo", "0", "records every game played, using the date/time and map name to name the demo file" };
  56 cvar_t cl_autodemo_nameformat = {0, "cl_autodemo_nameformat", "%Y-%m-%d_%H-%M", "The format of the cl_autodemo filename, followed by the map name" };
  57 #endif
  58
  59 cvar_t r_draweffects = {0, "r_draweffects", "1","renders temporary sprite effects"};
  60
  61 cvar_t cl_explosions_alpha_start = {CVAR_SAVE, "cl_explosions_alpha_start", "1.5","starting alpha of an explosion shell"};
  62 cvar_t cl_explosions_alpha_end = {CVAR_SAVE, "cl_explosions_alpha_end", "0","end alpha of an explosion shell (just before it disappears)"};
  63 cvar_t cl_explosions_size_start = {CVAR_SAVE, "cl_explosions_size_start", "16","starting size of an explosion shell"};
  64 cvar_t cl_explosions_size_end = {CVAR_SAVE, "cl_explosions_size_end", "128","ending alpha of an explosion shell (just before it disappears)"};
  65 cvar_t cl_explosions_lifetime = {CVAR_SAVE, "cl_explosions_lifetime", "0.5","how long an explosion shell lasts"};
  66
  67 cvar_t cl_stainmaps = {CVAR_SAVE, "cl_stainmaps", "1","stains lightmaps, much faster than decals but blurred"};
  68 cvar_t cl_stainmaps_clearonload = {CVAR_SAVE, "cl_stainmaps_clearonload", "1","clear stainmaps on map restart"};
  69
  70 cvar_t cl_beams_polygons = {CVAR_SAVE, "cl_beams_polygons", "1","use beam polygons instead of models"};
  71 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)"};
  72 cvar_t cl_beams_instantaimhack = {CVAR_SAVE, "cl_beams_instantaimhack", "1", "makes your lightning gun aiming update instantly"};
  73 cvar_t cl_beams_lightatend = {CVAR_SAVE, "cl_beams_lightatend", "0", "make a light at the end of the beam"};
  74
  75 cvar_t cl_noplayershadow = {CVAR_SAVE, "cl_noplayershadow", "0","hide player shadow"};
  76
  77 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)"};
  78
  79 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"};
  80
  81 cvar_t cl_deathnoviewmodel = {0, "cl_deathnoviewmodel", "1", "hides gun model when dead"};
  82
  83 client_static_t cls;
  84 client_state_t  cl;
  85
  86 #define MAX_PARTICLES                   32768   // default max # of particles at one time
  87 #define ABSOLUTE_MIN_PARTICLES  512             // no fewer than this no matter what's on the command line
  88
  89 /*
  90 =====================
  91 CL_ClearState
  92
  93 =====================
  94 */
  95 void CL_ClearState(void)
  96 {
  97         int i;
  98         entity_t *ent;
  99
 100 // wipe the entire cl structure
 101         Mem_EmptyPool(cls.levelmempool);
 102         memset (&cl, 0, sizeof(cl));
 103
 104         S_StopAllSounds();
 105
 106         // reset the view zoom interpolation
 107         cl.mviewzoom[0] = cl.mviewzoom[1] = 1;
 108
 109         cl.num_entities = 0;
 110         cl.num_static_entities = 0;
 111         cl.num_temp_entities = 0;
 112         cl.num_brushmodel_entities = 0;
 113
 114         // tweak these if the game runs out
 115         cl.max_entities = 256;
 116         cl.max_static_entities = 256;
 117         cl.max_temp_entities = 512;
 118         cl.max_effects = 256;
 119         cl.max_beams = 256;
 120         cl.max_dlights = MAX_DLIGHTS;
 121         cl.max_lightstyle = MAX_LIGHTSTYLES;
 122         cl.max_brushmodel_entities = MAX_EDICTS;
 123         cl.max_particles = MAX_PARTICLES;
 124
 125 // COMMANDLINEOPTION: Client: -particles <number> changes maximum number of particles at once, default 32768
 126         i = COM_CheckParm ("-particles");
 127         if (i && i < com_argc - 1)
 128         {
 129                 cl.max_particles = (int)(atoi(com_argv[i+1]));
 130                 if (cl.max_particles < ABSOLUTE_MIN_PARTICLES)
 131                         cl.max_particles = ABSOLUTE_MIN_PARTICLES;
 132         }
 133
 134         cl.num_dlights = 0;
 135         cl.num_effects = 0;
 136         cl.num_beams = 0;
 137
 138         cl.entities = (entity_t *)Mem_Alloc(cls.levelmempool, cl.max_entities * sizeof(entity_t));
 139         cl.entities_active = (unsigned char *)Mem_Alloc(cls.levelmempool, cl.max_brushmodel_entities * sizeof(unsigned char));
 140         cl.static_entities = (entity_t *)Mem_Alloc(cls.levelmempool, cl.max_static_entities * sizeof(entity_t));
 141         cl.temp_entities = (entity_t *)Mem_Alloc(cls.levelmempool, cl.max_temp_entities * sizeof(entity_t));
 142         cl.effects = (cl_effect_t *)Mem_Alloc(cls.levelmempool, cl.max_effects * sizeof(cl_effect_t));
 143         cl.beams = (beam_t *)Mem_Alloc(cls.levelmempool, cl.max_beams * sizeof(beam_t));
 144         cl.dlights = (dlight_t *)Mem_Alloc(cls.levelmempool, cl.max_dlights * sizeof(dlight_t));
 145         cl.lightstyle = (lightstyle_t *)Mem_Alloc(cls.levelmempool, cl.max_lightstyle * sizeof(lightstyle_t));
 146         cl.brushmodel_entities = (int *)Mem_Alloc(cls.levelmempool, cl.max_brushmodel_entities * sizeof(int));
 147         cl.particles = (particle_t *) Mem_Alloc(cls.levelmempool, cl.max_particles * sizeof(particle_t));
 148
 149         // LordHavoc: have to set up the baseline info for alpha and other stuff
 150         for (i = 0;i < cl.max_entities;i++)
 151         {
 152                 cl.entities[i].state_baseline = defaultstate;
 153                 cl.entities[i].state_previous = defaultstate;
 154                 cl.entities[i].state_current = defaultstate;
 155         }
 156
 157         if (gamemode == GAME_NEXUIZ)
 158         {
 159                 VectorSet(cl.playerstandmins, -16, -16, -24);
 160                 VectorSet(cl.playerstandmaxs, 16, 16, 45);
 161                 VectorSet(cl.playercrouchmins, -16, -16, -24);
 162                 VectorSet(cl.playercrouchmaxs, 16, 16, 25);
 163         }
 164         else
 165         {
 166                 VectorSet(cl.playerstandmins, -16, -16, -24);
 167                 VectorSet(cl.playerstandmaxs, 16, 16, 24);
 168                 VectorSet(cl.playercrouchmins, -16, -16, -24);
 169                 VectorSet(cl.playercrouchmaxs, 16, 16, 24);
 170         }
 171
 172         // disable until we get textures for it
 173         R_ResetSkyBox();
 174
 175         ent = &cl.entities[0];
 176         // entire entity array was cleared, so just fill in a few fields
 177         ent->state_current.active = true;
 178         ent->render.model = cl.worldmodel = NULL; // no world model yet
 179         ent->render.alpha = 1;
 180         ent->render.colormap = -1; // no special coloring
 181         ent->render.flags = RENDER_SHADOW | RENDER_LIGHT;
 182         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, 0, 0, 0, 0, 0, 0, 1);
 183         CL_UpdateRenderEntity(&ent->render);
 184
 185         // noclip is turned off at start
 186         noclip_anglehack = false;
 187
 188         // mark all frames invalid for delta
 189         memset(cl.qw_deltasequence, -1, sizeof(cl.qw_deltasequence));
 190
 191         CL_Screen_NewMap();
 192 }
 193
 194 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet)
 195 {
 196         int i;
 197         qboolean fail = false;
 198         if (!allowstarkey && key[0] == '*')
 199                 fail = true;
 200         if (!allowmodel && (!strcasecmp(key, "pmodel") || !strcasecmp(key, "emodel")))
 201                 fail = true;
 202         for (i = 0;key[i];i++)
 203                 if (key[i] <= ' ' || key[i] == '\"')
 204                         fail = true;
 205         for (i = 0;value[i];i++)
 206                 if (value[i] == '\r' || value[i] == '\n' || value[i] == '\"')
 207                         fail = true;
 208         if (fail)
 209         {
 210                 if (!quiet)
 211                         Con_Printf("Can't setinfo \"%s\" \"%s\"\n", key, value);
 212                 return;
 213         }
 214         InfoString_SetValue(cls.userinfo, sizeof(cls.userinfo), key, value);
 215         if (cls.state == ca_connected && cls.netcon)
 216         {
 217                 if (cls.protocol == PROTOCOL_QUAKEWORLD)
 218                 {
 219                         MSG_WriteByte(&cls.netcon->message, qw_clc_stringcmd);
 220                         MSG_WriteString(&cls.netcon->message, va("setinfo \"%s\" \"%s\"", key, value));
 221                 }
 222                 else if (!strcasecmp(key, "name"))
 223                 {
 224                         MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
 225                         MSG_WriteString(&cls.netcon->message, va("name \"%s\"", value));
 226                 }
 227                 else if (!strcasecmp(key, "playermodel"))
 228                 {
 229                         MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
 230                         MSG_WriteString(&cls.netcon->message, va("playermodel \"%s\"", value));
 231                 }
 232                 else if (!strcasecmp(key, "playerskin"))
 233                 {
 234                         MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
 235                         MSG_WriteString(&cls.netcon->message, va("playerskin \"%s\"", value));
 236                 }
 237                 else if (!strcasecmp(key, "topcolor"))
 238                 {
 239                         // don't send anything, the combined color code will be updated manually
 240                 }
 241                 else if (!strcasecmp(key, "bottomcolor"))
 242                 {
 243                         // don't send anything, the combined color code will be updated manually
 244                 }
 245                 else if (!strcasecmp(key, "rate"))
 246                 {
 247                         MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
 248                         MSG_WriteString(&cls.netcon->message, va("rate \"%s\"", value));
 249                 }
 250         }
 251 }
 252
 253 void CL_ExpandEntities(int num)
 254 {
 255         int i, oldmaxentities;
 256         entity_t *oldentities;
 257         if (num >= cl.max_entities)
 258         {
 259                 if (!cl.entities)
 260                         Sys_Error("CL_ExpandEntities: cl.entities not initialized");
 261                 if (num >= MAX_EDICTS)
 262                         Host_Error("CL_ExpandEntities: num %i >= %i", num, MAX_EDICTS);
 263                 oldmaxentities = cl.max_entities;
 264                 oldentities = cl.entities;
 265                 cl.max_entities = (num & ~255) + 256;
 266                 cl.entities = (entity_t *)Mem_Alloc(cls.levelmempool, cl.max_entities * sizeof(entity_t));
 267                 memcpy(cl.entities, oldentities, oldmaxentities * sizeof(entity_t));
 268                 Mem_Free(oldentities);
 269                 for (i = oldmaxentities;i < cl.max_entities;i++)
 270                 {
 271                         cl.entities[i].state_baseline = defaultstate;
 272                         cl.entities[i].state_previous = defaultstate;
 273                         cl.entities[i].state_current = defaultstate;
 274                 }
 275         }
 276 }
 277
 278 void CL_VM_ShutDown (void);
 279 /*
 280 =====================
 281 CL_Disconnect
 282
 283 Sends a disconnect message to the server
 284 This is also called on Host_Error, so it shouldn't cause any errors
 285 =====================
 286 */
 287 void CL_Disconnect(void)
 288 {
 289         if (cls.state == ca_dedicated)
 290                 return;
 291
 292         Con_DPrintf("CL_Disconnect\n");
 293
 294         CL_VM_ShutDown();
 295 // stop sounds (especially looping!)
 296         S_StopAllSounds ();
 297
 298         cl.parsingtextexpectingpingforscores = 0; // just in case no reply has come yet
 299
 300         // clear contents blends
 301         cl.cshifts[0].percent = 0;
 302         cl.cshifts[1].percent = 0;
 303         cl.cshifts[2].percent = 0;
 304         cl.cshifts[3].percent = 0;
 305
 306         cl.worldmodel = NULL;
 307
 308         CL_Parse_ErrorCleanUp();
 309
 310         if (cls.demoplayback)
 311                 CL_StopPlayback();
 312         else if (cls.netcon)
 313         {
 314                 sizebuf_t buf;
 315                 unsigned char bufdata[8];
 316                 if (cls.demorecording)
 317                         CL_Stop_f();
 318
 319                 // send disconnect message 3 times to improve chances of server
 320                 // receiving it (but it still fails sometimes)
 321                 memset(&buf, 0, sizeof(buf));
 322                 buf.data = bufdata;
 323                 buf.maxsize = sizeof(bufdata);
 324                 if (cls.protocol == PROTOCOL_QUAKEWORLD)
 325                 {
 326                         Con_DPrint("Sending drop command\n");
 327                         MSG_WriteByte(&buf, qw_clc_stringcmd);
 328                         MSG_WriteString(&buf, "drop");
 329                 }
 330                 else
 331                 {
 332                         Con_DPrint("Sending clc_disconnect\n");
 333                         MSG_WriteByte(&buf, clc_disconnect);
 334                 }
 335                 NetConn_SendUnreliableMessage(cls.netcon, &buf, cls.protocol);
 336                 NetConn_SendUnreliableMessage(cls.netcon, &buf, cls.protocol);
 337                 NetConn_SendUnreliableMessage(cls.netcon, &buf, cls.protocol);
 338                 NetConn_Close(cls.netcon);
 339                 cls.netcon = NULL;
 340         }
 341         cls.state = ca_disconnected;
 342
 343         cls.demoplayback = cls.timedemo = false;
 344         cls.signon = 0;
 345 }
 346
 347 void CL_Disconnect_f(void)
 348 {
 349         CL_Disconnect ();
 350         if (sv.active)
 351                 Host_ShutdownServer ();
 352 }
 353
 354
 355
 356
 357 /*
 358 =====================
 359 CL_EstablishConnection
 360
 361 Host should be either "local" or a net address
 362 =====================
 363 */
 364 void CL_EstablishConnection(const char *host)
 365 {
 366         if (cls.state == ca_dedicated)
 367                 return;
 368
 369         // clear menu's connect error message
 370         M_Update_Return_Reason("");
 371         cls.demonum = -1;
 372
 373         // stop demo loop in case this fails
 374         CL_Disconnect();
 375
 376         // if downloads are running, cancel their finishing action
 377         Curl_Clear_forthismap();
 378
 379         // make sure the client ports are open before attempting to connect
 380         NetConn_UpdateSockets();
 381
 382         // run a network frame
 383         //NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 384
 385         if (LHNETADDRESS_FromString(&cls.connect_address, host, 26000) && (cls.connect_mysocket = NetConn_ChooseClientSocketForAddress(&cls.connect_address)))
 386         {
 387                 cls.connect_trying = true;
 388                 cls.connect_remainingtries = 3;
 389                 cls.connect_nextsendtime = 0;
 390                 M_Update_Return_Reason("Trying to connect...");
 391                 // run several network frames to jump into the game quickly
 392                 //if (sv.active)
 393                 //{
 394                 //      NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 395                 //      NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 396                 //      NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 397                 //      NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 398                 //}
 399         }
 400         else
 401         {
 402                 Con_Print("Unable to find a suitable network socket to connect to server.\n");
 403                 M_Update_Return_Reason("No network");
 404         }
 405 }
 406
 407 /*
 408 ==============
 409 CL_PrintEntities_f
 410 ==============
 411 */
 412 static void CL_PrintEntities_f(void)
 413 {
 414         entity_t *ent;
 415         int i, j;
 416         char name[32];
 417
 418         for (i = 0, ent = cl.entities;i < cl.num_entities;i++, ent++)
 419         {
 420                 const char* modelname;
 421
 422                 if (!ent->state_current.active)
 423                         continue;
 424
 425                 if (ent->render.model)
 426                         modelname = ent->render.model->name;
 427                 else
 428                         modelname = "--no model--";
 429                 strlcpy(name, modelname, 25);
 430                 for (j = (int)strlen(name);j < 25;j++)
 431                         name[j] = ' ';
 432                 Con_Printf("%3i: %s:%4i (%5i %5i %5i) [%3i %3i %3i] %4.2f %5.3f\n", i, name, ent->render.frame, (int) ent->state_current.origin[0], (int) ent->state_current.origin[1], (int) ent->state_current.origin[2], (int) ent->state_current.angles[0] % 360, (int) ent->state_current.angles[1] % 360, (int) ent->state_current.angles[2] % 360, ent->render.scale, ent->render.alpha);
 433         }
 434 }
 435
 436 //static const vec3_t nomodelmins = {-16, -16, -16};
 437 //static const vec3_t nomodelmaxs = {16, 16, 16};
 438 void CL_UpdateRenderEntity(entity_render_t *ent)
 439 {
 440         vec3_t org;
 441         vec_t scale;
 442         model_t *model = ent->model;
 443         // update the inverse matrix for the renderer
 444         Matrix4x4_Invert_Simple(&ent->inversematrix, &ent->matrix);
 445         // update the animation blend state
 446         R_LerpAnimation(ent);
 447         // we need the matrix origin to center the box
 448         Matrix4x4_OriginFromMatrix(&ent->matrix, org);
 449         // update entity->render.scale because the renderer needs it
 450         ent->scale = scale = Matrix4x4_ScaleFromMatrix(&ent->matrix);
 451         if (model)
 452         {
 453                 // NOTE: this directly extracts vector components from the matrix, which relies on the matrix orientation!
 454 #ifdef MATRIX4x4_OPENGLORIENTATION
 455                 if (ent->matrix.m[0][2] != 0 || ent->matrix.m[1][2] != 0)
 456 #else
 457                 if (ent->matrix.m[2][0] != 0 || ent->matrix.m[2][1] != 0)
 458 #endif
 459                 {
 460                         // pitch or roll
 461                         VectorMA(org, scale, model->rotatedmins, ent->mins);
 462                         VectorMA(org, scale, model->rotatedmaxs, ent->maxs);
 463                 }
 464 #ifdef MATRIX4x4_OPENGLORIENTATION
 465                 else if (ent->matrix.m[1][0] != 0 || ent->matrix.m[0][1] != 0)
 466 #else
 467                 else if (ent->matrix.m[0][1] != 0 || ent->matrix.m[1][0] != 0)
 468 #endif
 469                 {
 470                         // yaw
 471                         VectorMA(org, scale, model->yawmins, ent->mins);
 472                         VectorMA(org, scale, model->yawmaxs, ent->maxs);
 473                 }
 474                 else
 475                 {
 476                         VectorMA(org, scale, model->normalmins, ent->mins);
 477                         VectorMA(org, scale, model->normalmaxs, ent->maxs);
 478                 }
 479         }
 480         else
 481         {
 482                 ent->mins[0] = org[0] - 16;
 483                 ent->mins[1] = org[1] - 16;
 484                 ent->mins[2] = org[2] - 16;
 485                 ent->maxs[0] = org[0] + 16;
 486                 ent->maxs[1] = org[1] + 16;
 487                 ent->maxs[2] = org[2] + 16;
 488         }
 489 }
 490
 491 /*
 492 ===============
 493 CL_LerpPoint
 494
 495 Determines the fraction between the last two messages that the objects
 496 should be put at.
 497 ===============
 498 */
 499 static float CL_LerpPoint(void)
 500 {
 501         float f;
 502
 503         // dropped packet, or start of demo
 504         if (cl.mtime[1] < cl.mtime[0] - 0.1)
 505                 cl.mtime[1] = cl.mtime[0] - 0.1;
 506
 507         cl.time = bound(cl.mtime[1], cl.time, cl.mtime[0]);
 508
 509         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 510         if (cl.mtime[0] <= cl.mtime[1] || cl_nolerp.integer || cls.timedemo || (cl.islocalgame && !sv_fixedframeratesingleplayer.integer))
 511         {
 512                 cl.time = cl.mtime[0];
 513                 return 1;
 514         }
 515
 516         f = (cl.time - cl.mtime[1]) / (cl.mtime[0] - cl.mtime[1]);
 517         return bound(0, f, 1);
 518 }
 519
 520 void CL_ClearTempEntities (void)
 521 {
 522         cl.num_temp_entities = 0;
 523 }
 524
 525 entity_t *CL_NewTempEntity(void)
 526 {
 527         entity_t *ent;
 528
 529         if (r_refdef.numentities >= r_refdef.maxentities)
 530                 return NULL;
 531         if (cl.num_temp_entities >= cl.max_temp_entities)
 532                 return NULL;
 533         ent = &cl.temp_entities[cl.num_temp_entities++];
 534         memset (ent, 0, sizeof(*ent));
 535         r_refdef.entities[r_refdef.numentities++] = &ent->render;
 536
 537         ent->render.colormap = -1; // no special coloring
 538         ent->render.alpha = 1;
 539         VectorSet(ent->render.colormod, 1, 1, 1);
 540         return ent;
 541 }
 542
 543 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
 544 {
 545         int i;
 546         cl_effect_t *e;
 547         if (!modelindex) // sanity check
 548                 return;
 549         if (framerate < 1)
 550         {
 551                 Con_Printf("CL_Effect: framerate %f is < 1\n", framerate);
 552                 return;
 553         }
 554         if (framecount < 1)
 555         {
 556                 Con_Printf("CL_Effect: framecount %i is < 1\n", framecount);
 557                 return;
 558         }
 559         for (i = 0, e = cl.effects;i < cl.max_effects;i++, e++)
 560         {
 561                 if (e->active)
 562                         continue;
 563                 e->active = true;
 564                 VectorCopy(org, e->origin);
 565                 e->modelindex = modelindex;
 566                 e->starttime = cl.time;
 567                 e->startframe = startframe;
 568                 e->endframe = startframe + framecount;
 569                 e->framerate = framerate;
 570
 571                 e->frame = 0;
 572                 e->frame1time = cl.time;
 573                 e->frame2time = cl.time;
 574                 cl.num_effects = max(cl.num_effects, i + 1);
 575                 break;
 576         }
 577 }
 578
 579 void CL_AllocLightFlash(entity_render_t *ent, matrix4x4_t *matrix, float radius, float red, float green, float blue, float decay, float lifetime, int cubemapnum, int style, int shadowenable, vec_t corona, vec_t coronasizescale, vec_t ambientscale, vec_t diffusescale, vec_t specularscale, int flags)
 580 {
 581         int i;
 582         dlight_t *dl;
 583
 584         /*
 585 // first look for an exact key match
 586         if (ent)
 587         {
 588                 dl = cl.dlights;
 589                 for (i = 0;i < cl.num_dlights;i++, dl++)
 590                         if (dl->ent == ent)
 591                                 goto dlightsetup;
 592         }
 593         */
 594
 595 // then look for anything else
 596         dl = cl.dlights;
 597         for (i = 0;i < cl.num_dlights;i++, dl++)
 598                 if (!dl->radius)
 599                         goto dlightsetup;
 600         // if we hit the end of the active dlights and found no gaps, add a new one
 601         if (i < MAX_DLIGHTS)
 602         {
 603                 cl.num_dlights = i + 1;
 604                 goto dlightsetup;
 605         }
 606
 607         // unable to find one
 608         return;
 609
 610 dlightsetup:
 611         //Con_Printf("dlight %i : %f %f %f : %f %f %f\n", i, org[0], org[1], org[2], red * radius, green * radius, blue * radius);
 612         memset (dl, 0, sizeof(*dl));
 613         Matrix4x4_Normalize(&dl->matrix, matrix);
 614         dl->ent = ent;
 615         Matrix4x4_OriginFromMatrix(&dl->matrix, dl->origin);
 616         CL_FindNonSolidLocation(dl->origin, dl->origin, 6);
 617         Matrix4x4_SetOrigin(&dl->matrix, dl->origin[0], dl->origin[1], dl->origin[2]);
 618         Matrix4x4_Scale(&dl->matrix, radius, 1);
 619         dl->radius = radius;
 620         dl->color[0] = red;
 621         dl->color[1] = green;
 622         dl->color[2] = blue;
 623         dl->initialradius = radius;
 624         dl->initialcolor[0] = red;
 625         dl->initialcolor[1] = green;
 626         dl->initialcolor[2] = blue;
 627         dl->decay = decay / radius; // changed decay to be a percentage decrease
 628         dl->intensity = 1; // this is what gets decayed
 629         if (lifetime)
 630                 dl->die = cl.time + lifetime;
 631         else
 632                 dl->die = 0;
 633         if (cubemapnum > 0)
 634                 dpsnprintf(dl->cubemapname, sizeof(dl->cubemapname), "cubemaps/%i", cubemapnum);
 635         else
 636                 dl->cubemapname[0] = 0;
 637         dl->style = style;
 638         dl->shadow = shadowenable;
 639         dl->corona = corona;
 640         dl->flags = flags;
 641         dl->coronasizescale = coronasizescale;
 642         dl->ambientscale = ambientscale;
 643         dl->diffusescale = diffusescale;
 644         dl->specularscale = specularscale;
 645 }
 646
 647 void CL_DecayLightFlashes(void)
 648 {
 649         int i, oldmax;
 650         dlight_t *dl;
 651         float time;
 652
 653         time = bound(0, cl.time - cl.oldtime, 0.1);
 654         oldmax = cl.num_dlights;
 655         cl.num_dlights = 0;
 656         for (i = 0, dl = cl.dlights;i < oldmax;i++, dl++)
 657         {
 658                 if (dl->radius)
 659                 {
 660                         dl->intensity -= time * dl->decay;
 661                         if (cl.time < dl->die && dl->intensity > 0)
 662                         {
 663                                 //dl->radius = dl->initialradius * dl->intensity;
 664                                 VectorScale(dl->initialcolor, dl->intensity, dl->color);
 665                                 cl.num_dlights = i + 1;
 666                         }
 667                         else
 668                                 dl->radius = 0;
 669                 }
 670         }
 671 }
 672
 673 // called before entity relinking
 674 void CL_RelinkLightFlashes(void)
 675 {
 676         int i, j, k, l;
 677         dlight_t *dl;
 678         float frac, f;
 679
 680         if (r_dynamic.integer)
 681                 for (i = 0, dl = cl.dlights;i < cl.num_dlights && r_refdef.numlights < MAX_DLIGHTS;i++, dl++)
 682                         if (dl->radius)
 683                                 R_RTLight_Update(&r_refdef.lights[r_refdef.numlights++], false, &dl->matrix, dl->color, dl->style, dl->cubemapname, dl->shadow, dl->corona, dl->coronasizescale, dl->ambientscale, dl->diffusescale, dl->specularscale, dl->flags);
 684
 685 // light animations
 686 // 'm' is normal light, 'a' is no light, 'z' is double bright
 687         f = cl.time * 10;
 688         i = (int)floor(f);
 689         frac = f - i;
 690         for (j = 0;j < cl.max_lightstyle;j++)
 691         {
 692                 if (!cl.lightstyle || !cl.lightstyle[j].length)
 693                 {
 694                         r_refdef.lightstylevalue[j] = 256;
 695                         continue;
 696                 }
 697                 k = i % cl.lightstyle[j].length;
 698                 l = (i-1) % cl.lightstyle[j].length;
 699                 k = cl.lightstyle[j].map[k] - 'a';
 700                 l = cl.lightstyle[j].map[l] - 'a';
 701                 r_refdef.lightstylevalue[j] = (unsigned short)(((k*frac)+(l*(1-frac)))*22);
 702         }
 703 }
 704
 705 void CL_AddQWCTFFlagModel(entity_t *player, int skin)
 706 {
 707         float f;
 708         entity_t *flag;
 709         matrix4x4_t flagmatrix;
 710
 711         // this code taken from QuakeWorld
 712         f = 14;
 713         if (player->render.frame2 >= 29 && player->render.frame2 <= 40)
 714         {
 715                 if (player->render.frame2 >= 29 && player->render.frame2 <= 34)
 716                 { //axpain
 717                         if      (player->render.frame2 == 29) f = f + 2;
 718                         else if (player->render.frame2 == 30) f = f + 8;
 719                         else if (player->render.frame2 == 31) f = f + 12;
 720                         else if (player->render.frame2 == 32) f = f + 11;
 721                         else if (player->render.frame2 == 33) f = f + 10;
 722                         else if (player->render.frame2 == 34) f = f + 4;
 723                 }
 724                 else if (player->render.frame2 >= 35 && player->render.frame2 <= 40)
 725                 { // pain
 726                         if      (player->render.frame2 == 35) f = f + 2;
 727                         else if (player->render.frame2 == 36) f = f + 10;
 728                         else if (player->render.frame2 == 37) f = f + 10;
 729                         else if (player->render.frame2 == 38) f = f + 8;
 730                         else if (player->render.frame2 == 39) f = f + 4;
 731                         else if (player->render.frame2 == 40) f = f + 2;
 732                 }
 733         }
 734         else if (player->render.frame2 >= 103 && player->render.frame2 <= 118)
 735         {
 736                 if      (player->render.frame2 >= 103 && player->render.frame2 <= 104) f = f + 6;  //nailattack
 737                 else if (player->render.frame2 >= 105 && player->render.frame2 <= 106) f = f + 6;  //light
 738                 else if (player->render.frame2 >= 107 && player->render.frame2 <= 112) f = f + 7;  //rocketattack
 739                 else if (player->render.frame2 >= 112 && player->render.frame2 <= 118) f = f + 7;  //shotattack
 740         }
 741         // end of code taken from QuakeWorld
 742
 743         flag = CL_NewTempEntity();
 744         if (!flag)
 745                 return;
 746
 747         flag->render.model = cl.model_precache[cl.qw_modelindex_flag];
 748         flag->render.skinnum = skin;
 749         flag->render.colormap = -1; // no special coloring
 750         flag->render.alpha = 1;
 751         VectorSet(flag->render.colormod, 1, 1, 1);
 752         // attach the flag to the player matrix
 753         Matrix4x4_CreateFromQuakeEntity(&flagmatrix, -f, -22, 0, 0, 0, -45, 1);
 754         Matrix4x4_Concat(&flag->render.matrix, &player->render.matrix, &flagmatrix);
 755         CL_UpdateRenderEntity(&flag->render);
 756 }
 757
 758 matrix4x4_t viewmodelmatrix;
 759
 760 static const vec3_t muzzleflashorigin = {18, 0, 0};
 761
 762 extern void V_DriftPitch(void);
 763 extern void V_FadeViewFlashs(void);
 764 extern void V_CalcViewBlend(void);
 765 extern void V_CalcRefdef(void);
 766
 767 // note this is a recursive function, recursionlimit should be 32 or so on the initial call
 768 void CL_UpdateNetworkEntity(entity_t *e, int recursionlimit)
 769 {
 770         const matrix4x4_t *matrix;
 771         matrix4x4_t blendmatrix, tempmatrix, matrix2;
 772         //matrix4x4_t dlightmatrix;
 773         int j, k, l;
 774         float origin[3], angles[3], delta[3], lerp, d;
 775         entity_t *t;
 776         model_t *model;
 777         //entity_persistent_t *p = &e->persistent;
 778         //entity_render_t *r = &e->render;
 779         // skip inactive entities and world
 780         if (!e->state_current.active || e == cl.entities)
 781                 return;
 782         if (recursionlimit < 1)
 783                 return;
 784         e->render.alpha = e->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 785         e->render.scale = e->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 786         e->render.flags = e->state_current.flags;
 787         e->render.effects = e->state_current.effects;
 788         VectorScale(e->state_current.colormod, (1.0f / 32.0f), e->render.colormod);
 789         if (e->state_current.flags & RENDER_COLORMAPPED)
 790         {
 791                 int cb;
 792                 unsigned char *cbcolor;
 793                 e->render.colormap = e->state_current.colormap;
 794                 cb = (e->render.colormap & 0xF) << 4;cb += (cb >= 128 && cb < 224) ? 4 : 12;
 795                 cbcolor = (unsigned char *) (&palette_complete[cb]);
 796                 e->render.colormap_pantscolor[0] = cbcolor[0] * (1.0f / 255.0f);
 797                 e->render.colormap_pantscolor[1] = cbcolor[1] * (1.0f / 255.0f);
 798                 e->render.colormap_pantscolor[2] = cbcolor[2] * (1.0f / 255.0f);
 799                 cb = (e->render.colormap & 0xF0);cb += (cb >= 128 && cb < 224) ? 4 : 12;
 800                 cbcolor = (unsigned char *) (&palette_complete[cb]);
 801                 e->render.colormap_shirtcolor[0] = cbcolor[0] * (1.0f / 255.0f);
 802                 e->render.colormap_shirtcolor[1] = cbcolor[1] * (1.0f / 255.0f);
 803                 e->render.colormap_shirtcolor[2] = cbcolor[2] * (1.0f / 255.0f);
 804         }
 805         else if (e->state_current.colormap && cl.scores != NULL)
 806         {
 807                 int cb;
 808                 unsigned char *cbcolor;
 809                 e->render.colormap = cl.scores[e->state_current.colormap - 1].colors; // color it
 810                 cb = (e->render.colormap & 0xF) << 4;cb += (cb >= 128 && cb < 224) ? 4 : 12;
 811                 cbcolor = (unsigned char *) (&palette_complete[cb]);
 812                 e->render.colormap_pantscolor[0] = cbcolor[0] * (1.0f / 255.0f);
 813                 e->render.colormap_pantscolor[1] = cbcolor[1] * (1.0f / 255.0f);
 814                 e->render.colormap_pantscolor[2] = cbcolor[2] * (1.0f / 255.0f);
 815                 cb = (e->render.colormap & 0xF0);cb += (cb >= 128 && cb < 224) ? 4 : 12;
 816                 cbcolor = (unsigned char *) (&palette_complete[cb]);
 817                 e->render.colormap_shirtcolor[0] = cbcolor[0] * (1.0f / 255.0f);
 818                 e->render.colormap_shirtcolor[1] = cbcolor[1] * (1.0f / 255.0f);
 819                 e->render.colormap_shirtcolor[2] = cbcolor[2] * (1.0f / 255.0f);
 820         }
 821         else
 822         {
 823                 e->render.colormap = -1; // no special coloring
 824                 VectorClear(e->render.colormap_pantscolor);
 825                 VectorClear(e->render.colormap_shirtcolor);
 826         }
 827         e->render.skinnum = e->state_current.skin;
 828         if (e->state_current.tagentity)
 829         {
 830                 // attached entity (gun held in player model's hand, etc)
 831                 // if the tag entity is currently impossible, skip it
 832                 if (e->state_current.tagentity >= cl.num_entities)
 833                         return;
 834                 t = cl.entities + e->state_current.tagentity;
 835                 // if the tag entity is inactive, skip it
 836                 if (!t->state_current.active)
 837                         return;
 838                 // update the parent first
 839                 CL_UpdateNetworkEntity(t, recursionlimit - 1);
 840                 // make relative to the entity
 841                 matrix = &t->render.matrix;
 842                 // some properties of the tag entity carry over
 843                 e->render.flags |= t->render.flags & (RENDER_EXTERIORMODEL | RENDER_VIEWMODEL);
 844                 // if a valid tagindex is used, make it relative to that tag instead
 845                 // FIXME: use a model function to get tag info (need to handle skeletal)
 846                 if (e->state_current.tagentity && e->state_current.tagindex >= 1 && (model = t->render.model))
 847                 {
 848                         // blend the matrices
 849                         memset(&blendmatrix, 0, sizeof(blendmatrix));
 850                         for (j = 0;j < 4 && t->render.frameblend[j].lerp > 0;j++)
 851                         {
 852                                 matrix4x4_t tagmatrix;
 853                                 Mod_Alias_GetTagMatrix(model, t->render.frameblend[j].frame, e->state_current.tagindex - 1, &tagmatrix);
 854                                 d = t->render.frameblend[j].lerp;
 855                                 for (l = 0;l < 4;l++)
 856                                         for (k = 0;k < 4;k++)
 857                                                 blendmatrix.m[l][k] += d * tagmatrix.m[l][k];
 858                         }
 859                         // concat the tag matrices onto the entity matrix
 860                         Matrix4x4_Concat(&tempmatrix, &t->render.matrix, &blendmatrix);
 861                         // use the constructed tag matrix
 862                         matrix = &tempmatrix;
 863                 }
 864         }
 865         else if (e->render.flags & RENDER_VIEWMODEL)
 866         {
 867                 // view-relative entity (guns and such)
 868                 matrix = &viewmodelmatrix;
 869         }
 870         else
 871         {
 872                 // world-relative entity (the normal kind)
 873                 matrix = &identitymatrix;
 874         }
 875
 876         // movement lerp
 877         // if it's the player entity, update according to client movement
 878         if (e == cl.entities + cl.playerentity && cl.movement_predicted)
 879         {
 880                 lerp = (cl.time - cl.movement_time[2]) / (cl.movement_time[0] - cl.movement_time[1]);
 881                 lerp = bound(0, lerp, 1);
 882                 if (cl_nolerp.integer)
 883                         lerp = 1;
 884                 VectorLerp(cl.movement_oldorigin, lerp, cl.movement_origin, origin);
 885                 VectorSet(angles, 0, cl.viewangles[1], 0);
 886         }
 887         else if (e->persistent.lerpdeltatime > 0 && (lerp = (cl.time - e->persistent.lerpstarttime) / e->persistent.lerpdeltatime) < 1)
 888         {
 889                 // interpolate the origin and angles
 890                 lerp = max(0, lerp);
 891                 VectorLerp(e->persistent.oldorigin, lerp, e->persistent.neworigin, origin);
 892                 VectorSubtract(e->persistent.newangles, e->persistent.oldangles, delta);
 893                 if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
 894                 if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
 895                 if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
 896                 VectorMA(e->persistent.oldangles, lerp, delta, angles);
 897         }
 898         else
 899         {
 900                 // no interpolation
 901                 VectorCopy(e->persistent.neworigin, origin);
 902                 VectorCopy(e->persistent.newangles, angles);
 903         }
 904
 905         // model setup and some modelflags
 906         if(e->state_current.modelindex < MAX_MODELS)
 907                 e->render.model = cl.model_precache[e->state_current.modelindex];
 908         if (e->render.model)
 909         {
 910                 // if model is alias or this is a tenebrae-like dlight, reverse pitch direction
 911                 if (e->render.model->type == mod_alias)
 912                         angles[0] = -angles[0];
 913                 if ((e->render.model->flags & EF_ROTATE) && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
 914                 {
 915                         angles[1] = ANGLEMOD(100*cl.time);
 916                         if (cl_itembobheight.value)
 917                                 origin[2] += (cos(cl.time * cl_itembobspeed.value * (2.0 * M_PI)) + 1.0) * 0.5 * cl_itembobheight.value;
 918                 }
 919                 // transfer certain model flags to effects
 920                 e->render.effects |= e->render.model->flags2 & (EF_FULLBRIGHT | EF_ADDITIVE);
 921                 if ((e->render.effects & EF_SELECTABLE) && cl.cmd.cursor_entitynumber == e->state_current.number)
 922                         VectorScale(e->render.colormod, 2, e->render.colormod);
 923         }
 924         // if model is alias or this is a tenebrae-like dlight, reverse pitch direction
 925         else if (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC)
 926                 angles[0] = -angles[0];
 927
 928         // animation lerp
 929         if (e->render.frame2 == e->state_current.frame)
 930         {
 931                 // update frame lerp fraction
 932                 e->render.framelerp = 1;
 933                 if (e->render.frame2time > e->render.frame1time)
 934                 {
 935                         // make sure frame lerp won't last longer than 100ms
 936                         // (this mainly helps with models that use framegroups and
 937                         // switch between them infrequently)
 938                         e->render.framelerp = (cl.time - e->render.frame2time) / min(e->render.frame2time - e->render.frame1time, 0.1);
 939                         e->render.framelerp = bound(0, e->render.framelerp, 1);
 940                 }
 941         }
 942         else
 943         {
 944                 // begin a new frame lerp
 945                 e->render.frame1 = e->render.frame2;
 946                 e->render.frame1time = e->render.frame2time;
 947                 e->render.frame = e->render.frame2 = e->state_current.frame;
 948                 e->render.frame2time = cl.time;
 949                 e->render.framelerp = 0;
 950         }
 951
 952         // set up the render matrix
 953         if (matrix)
 954         {
 955                 // attached entity, this requires a matrix multiply (concat)
 956                 // FIXME: e->render.scale should go away
 957                 Matrix4x4_CreateFromQuakeEntity(&matrix2, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
 958                 // concat the matrices to make the entity relative to its tag
 959                 Matrix4x4_Concat(&e->render.matrix, matrix, &matrix2);
 960                 // get the origin from the new matrix
 961                 Matrix4x4_OriginFromMatrix(&e->render.matrix, origin);
 962         }
 963         else
 964         {
 965                 // unattached entities are faster to process
 966                 Matrix4x4_CreateFromQuakeEntity(&e->render.matrix, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
 967         }
 968
 969         // make the other useful stuff
 970         CL_UpdateRenderEntity(&e->render);
 971
 972         // tenebrae's sprites are all additive mode (weird)
 973         if (gamemode == GAME_TENEBRAE && e->render.model && e->render.model->type == mod_sprite)
 974                 e->render.effects |= EF_ADDITIVE;
 975         // player model is only shown with chase_active on
 976         if (e->state_current.number == cl.viewentity)
 977                 e->render.flags |= RENDER_EXTERIORMODEL;
 978         // transparent stuff can't be lit during the opaque stage
 979         if (e->render.effects & (EF_ADDITIVE | EF_NODEPTHTEST) || e->render.alpha < 1)
 980                 e->render.flags |= RENDER_TRANSPARENT;
 981         // double sided rendering mode causes backfaces to be visible
 982         // (mostly useful on transparent stuff)
 983         if (e->render.effects & EF_DOUBLESIDED)
 984                 e->render.flags |= RENDER_NOCULLFACE;
 985         // either fullbright or lit
 986         if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
 987                 e->render.flags |= RENDER_LIGHT;
 988         // hide player shadow during intermission or nehahra movie
 989         if (!(e->render.effects & EF_NOSHADOW)
 990          && !(e->render.flags & (RENDER_VIEWMODEL | RENDER_TRANSPARENT))
 991          && (!(e->render.flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 992                 e->render.flags |= RENDER_SHADOW;
 993 }
 994
 995 // creates light and trails from an entity
 996 void CL_UpdateNetworkEntityTrail(entity_t *e)
 997 {
 998         //matrix4x4_t dlightmatrix;
 999         effectnameindex_t trailtype;
1000         vec3_t origin;
1001
1002         // bmodels are treated specially since their origin is usually '0 0 0' and
1003         // their actual geometry is far from '0 0 0'
1004         if (e->render.model && e->render.model->soundfromcenter)
1005         {
1006                 vec3_t o;
1007                 VectorMAM(0.5f, e->render.model->normalmins, 0.5f, e->render.model->normalmaxs, o);
1008                 Matrix4x4_Transform(&e->render.matrix, o, origin);
1009         }
1010
1011         // handle particle trails and such effects now that we know where this
1012         // entity is in the world...
1013         trailtype = EFFECT_NONE;
1014         // LordHavoc: if the entity has no effects, don't check each
1015         if (e->render.effects & (EF_BRIGHTFIELD | EF_FLAME | EF_STARDUST | EF_FLAG1QW | EF_FLAG2QW))
1016         {
1017                 if (e->render.effects & EF_BRIGHTFIELD)
1018                 {
1019                         if (gamemode == GAME_NEXUIZ)
1020                                 trailtype = EFFECT_TR_NEXUIZPLASMA;
1021                         else
1022                                 CL_EntityParticles(e);
1023                 }
1024                 if (e->render.effects & EF_FLAME)
1025                         CL_ParticleTrail(EFFECT_EF_FLAME, bound(0, cl.time - cl.oldtime, 0.1), origin, origin, vec3_origin, vec3_origin, NULL, 0, false, true);
1026                 if (e->render.effects & EF_STARDUST)
1027                         CL_ParticleTrail(EFFECT_EF_STARDUST, bound(0, cl.time - cl.oldtime, 0.1), origin, origin, vec3_origin, vec3_origin, NULL, 0, false, true);
1028                 if (e->render.effects & (EF_FLAG1QW | EF_FLAG2QW))
1029                 {
1030                         // these are only set on player entities
1031                         CL_AddQWCTFFlagModel(e, (e->render.effects & EF_FLAG2QW) != 0);
1032                 }
1033         }
1034         // muzzleflash fades over time
1035         if (e->persistent.muzzleflash > 0)
1036                 e->persistent.muzzleflash -= bound(0, cl.time - cl.oldtime, 0.1) * 20;
1037         // LordHavoc: if the model has no flags, don't check each
1038         if (e->render.model && e->render.model->flags && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
1039         {
1040                 if (e->render.model->flags & EF_GIB)
1041                         trailtype = EFFECT_TR_BLOOD;
1042                 else if (e->render.model->flags & EF_ZOMGIB)
1043                         trailtype = EFFECT_TR_SLIGHTBLOOD;
1044                 else if (e->render.model->flags & EF_TRACER)
1045                         trailtype = EFFECT_TR_WIZSPIKE;
1046                 else if (e->render.model->flags & EF_TRACER2)
1047                         trailtype = EFFECT_TR_KNIGHTSPIKE;
1048                 else if (e->render.model->flags & EF_ROCKET)
1049                         trailtype = EFFECT_TR_ROCKET;
1050                 else if (e->render.model->flags & EF_GRENADE)
1051                 {
1052                         // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
1053                         trailtype = e->render.alpha == -1 ? EFFECT_TR_NEHAHRASMOKE : EFFECT_TR_GRENADE;
1054                 }
1055                 else if (e->render.model->flags & EF_TRACER3)
1056                         trailtype = EFFECT_TR_VORESPIKE;
1057         }
1058         // do trails
1059         if (e->render.flags & RENDER_GLOWTRAIL)
1060                 trailtype = EFFECT_TR_GLOWTRAIL;
1061         if (trailtype)
1062         {
1063                 float len;
1064                 vec3_t vel;
1065                 VectorSubtract(e->state_current.origin, e->state_previous.origin, vel);
1066                 len = e->state_current.time - e->state_previous.time;
1067                 if (len > 0)
1068                         len = 1.0f / len;
1069                 VectorScale(vel, len, vel);
1070                 CL_ParticleTrail(trailtype, 1, e->persistent.trail_origin, origin, vel, vel, e, e->state_current.glowcolor, false, true);
1071         }
1072         VectorCopy(origin, e->persistent.trail_origin);
1073 }
1074
1075
1076 /*
1077 ===============
1078 CL_UpdateEntities
1079 ===============
1080 */
1081 void CL_UpdateEntities(void)
1082 {
1083         entity_t *ent;
1084         int i;
1085
1086         // process network entities
1087         // first link the player
1088         CL_UpdateNetworkEntity(cl.entities + cl.viewentity, 32);
1089
1090         // set up the view
1091         V_CalcRefdef();
1092
1093         // start on the entity after the world
1094         // skip the player entity because it was already processed
1095         for (i = 1;i < cl.num_entities;i++)
1096         {
1097                 if (cl.entities_active[i])
1098                 {
1099                         ent = cl.entities + i;
1100                         if (ent->state_current.active)
1101                         {
1102                                 CL_UpdateNetworkEntity(ent, 32);
1103                                 // view models should never create light/trails
1104                                 if (!(ent->render.flags & RENDER_VIEWMODEL))
1105                                         CL_UpdateNetworkEntityTrail(ent);
1106                                 if (ent->render.model && ent->render.model->name[0] == '*' && ent->render.model->TraceBox)
1107                                         cl.brushmodel_entities[cl.num_brushmodel_entities++] = ent->state_current.number;
1108                         }
1109                         else
1110                                 cl.entities_active[i] = false;
1111                 }
1112         }
1113
1114         ent = &cl.viewent;
1115         ent->state_previous = ent->state_current;
1116         ent->state_current = defaultstate;
1117         ent->state_current.time = cl.time;
1118         ent->state_current.number = -1;
1119         ent->state_current.active = true;
1120         ent->state_current.modelindex = cl.stats[STAT_WEAPON];
1121         ent->state_current.frame = cl.stats[STAT_WEAPONFRAME];
1122         ent->state_current.flags = RENDER_VIEWMODEL;
1123         if ((cl.stats[STAT_HEALTH] <= 0 && cl_deathnoviewmodel.integer) || cl.intermission)
1124                 ent->state_current.modelindex = 0;
1125         else if (cl.stats[STAT_ITEMS] & IT_INVISIBILITY)
1126         {
1127                 if (gamemode == GAME_TRANSFUSION)
1128                         ent->state_current.alpha = 128;
1129                 else
1130                         ent->state_current.modelindex = 0;
1131         }
1132         ent->state_current.alpha = cl.entities[cl.viewentity].state_current.alpha;
1133         ent->state_current.effects = EF_NOSHADOW | (cl.entities[cl.viewentity].state_current.effects & (EF_ADDITIVE | EF_REFLECTIVE | EF_FULLBRIGHT | EF_NODEPTHTEST));
1134
1135         // reset animation interpolation on weaponmodel if model changed
1136         if (ent->state_previous.modelindex != ent->state_current.modelindex)
1137         {
1138                 ent->render.frame = ent->render.frame1 = ent->render.frame2 = ent->state_current.frame;
1139                 ent->render.frame1time = ent->render.frame2time = cl.time;
1140                 ent->render.framelerp = 1;
1141         }
1142         CL_UpdateNetworkEntity(ent, 32);
1143 }
1144
1145 // note this is a recursive function, but it can never get in a runaway loop (because of the delayedlink flags)
1146 void CL_LinkNetworkEntity(entity_t *e)
1147 {
1148         effectnameindex_t trailtype;
1149         vec3_t origin;
1150         vec3_t dlightcolor;
1151         vec_t dlightradius;
1152
1153         // skip inactive entities and world
1154         if (!e->state_current.active || e == cl.entities)
1155                 return;
1156         if (e->render.flags & RENDER_VIEWMODEL && !e->state_current.tagentity)
1157         {
1158                 if (!r_drawviewmodel.integer || chase_active.integer || r_refdef.envmap)
1159                         return;
1160         }
1161         else
1162         {
1163                 // if the tag entity is currently impossible, skip it
1164                 if (e->state_current.tagentity >= cl.num_entities)
1165                         return;
1166                 // if the tag entity is inactive, skip it
1167                 if (!cl.entities[e->state_current.tagentity].state_current.active)
1168                         return;
1169         }
1170
1171         // create entity dlights associated with this entity
1172         if (e->render.model && e->render.model->soundfromcenter)
1173         {
1174                 // bmodels are treated specially since their origin is usually '0 0 0'
1175                 vec3_t o;
1176                 VectorMAM(0.5f, e->render.model->normalmins, 0.5f, e->render.model->normalmaxs, o);
1177                 Matrix4x4_Transform(&e->render.matrix, o, origin);
1178         }
1179         else
1180                 Matrix4x4_OriginFromMatrix(&e->render.matrix, origin);
1181         trailtype = EFFECT_NONE;
1182         dlightradius = 0;
1183         dlightcolor[0] = 0;
1184         dlightcolor[1] = 0;
1185         dlightcolor[2] = 0;
1186         // LordHavoc: if the entity has no effects, don't check each
1187         if (e->render.effects & (EF_BRIGHTFIELD | EF_DIMLIGHT | EF_BRIGHTLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1188         {
1189                 if (e->render.effects & EF_BRIGHTFIELD)
1190                 {
1191                         if (gamemode == GAME_NEXUIZ)
1192                                 trailtype = EFFECT_TR_NEXUIZPLASMA;
1193                 }
1194                 if (e->render.effects & EF_DIMLIGHT)
1195                 {
1196                         dlightradius = max(dlightradius, 200);
1197                         dlightcolor[0] += 1.50f;
1198                         dlightcolor[1] += 1.50f;
1199                         dlightcolor[2] += 1.50f;
1200                 }
1201                 if (e->render.effects & EF_BRIGHTLIGHT)
1202                 {
1203                         dlightradius = max(dlightradius, 400);
1204                         dlightcolor[0] += 3.00f;
1205                         dlightcolor[1] += 3.00f;
1206                         dlightcolor[2] += 3.00f;
1207                 }
1208                 // LordHavoc: more effects
1209                 if (e->render.effects & EF_RED) // red
1210                 {
1211                         dlightradius = max(dlightradius, 200);
1212                         dlightcolor[0] += 1.50f;
1213                         dlightcolor[1] += 0.15f;
1214                         dlightcolor[2] += 0.15f;
1215                 }
1216                 if (e->render.effects & EF_BLUE) // blue
1217                 {
1218                         dlightradius = max(dlightradius, 200);
1219                         dlightcolor[0] += 0.15f;
1220                         dlightcolor[1] += 0.15f;
1221                         dlightcolor[2] += 1.50f;
1222                 }
1223                 if (e->render.effects & EF_FLAME)
1224                         CL_ParticleTrail(EFFECT_EF_FLAME, 0, origin, origin, vec3_origin, vec3_origin, NULL, 0, true, false);
1225                 if (e->render.effects & EF_STARDUST)
1226                         CL_ParticleTrail(EFFECT_EF_STARDUST, 0, origin, origin, vec3_origin, vec3_origin, NULL, 0, true, false);
1227         }
1228         // muzzleflash fades over time, and is offset a bit
1229         if (e->persistent.muzzleflash > 0 && r_refdef.numlights < MAX_DLIGHTS)
1230         {
1231                 vec3_t v2;
1232                 vec3_t color;
1233                 trace_t trace;
1234                 matrix4x4_t tempmatrix;
1235                 Matrix4x4_Transform(&e->render.matrix, muzzleflashorigin, v2);
1236                 trace = CL_TraceBox(origin, vec3_origin, vec3_origin, v2, true, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_SKY, false);
1237                 Matrix4x4_Normalize(&tempmatrix, &e->render.matrix);
1238                 Matrix4x4_SetOrigin(&tempmatrix, trace.endpos[0], trace.endpos[1], trace.endpos[2]);
1239                 Matrix4x4_Scale(&tempmatrix, 150, 1);
1240                 VectorSet(color, e->persistent.muzzleflash * 4.0f, e->persistent.muzzleflash * 4.0f, e->persistent.muzzleflash * 4.0f);
1241                 R_RTLight_Update(&r_refdef.lights[r_refdef.numlights++], false, &tempmatrix, color, -1, NULL, true, 0, 0.25, 0, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1242         }
1243         // LordHavoc: if the model has no flags, don't check each
1244         if (e->render.model && e->render.model->flags && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
1245         {
1246                 if (e->render.model->flags & EF_GIB)
1247                         trailtype = EFFECT_TR_BLOOD;
1248                 else if (e->render.model->flags & EF_ZOMGIB)
1249                         trailtype = EFFECT_TR_SLIGHTBLOOD;
1250                 else if (e->render.model->flags & EF_TRACER)
1251                         trailtype = EFFECT_TR_WIZSPIKE;
1252                 else if (e->render.model->flags & EF_TRACER2)
1253                         trailtype = EFFECT_TR_KNIGHTSPIKE;
1254                 else if (e->render.model->flags & EF_ROCKET)
1255                         trailtype = EFFECT_TR_ROCKET;
1256                 else if (e->render.model->flags & EF_GRENADE)
1257                 {
1258                         // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
1259                         trailtype = e->render.alpha == -1 ? EFFECT_TR_NEHAHRASMOKE : EFFECT_TR_GRENADE;
1260                 }
1261                 else if (e->render.model->flags & EF_TRACER3)
1262                         trailtype = EFFECT_TR_VORESPIKE;
1263         }
1264         // LordHavoc: customizable glow
1265         if (e->state_current.glowsize)
1266         {
1267                 // * 4 for the expansion from 0-255 to 0-1023 range,
1268                 // / 255 to scale down byte colors
1269                 dlightradius = max(dlightradius, e->state_current.glowsize * 4);
1270                 VectorMA(dlightcolor, (1.0f / 255.0f), (unsigned char *)&palette_complete[e->state_current.glowcolor], dlightcolor);
1271         }
1272         // make the glow dlight
1273         if (dlightradius > 0 && (dlightcolor[0] || dlightcolor[1] || dlightcolor[2]) && !(e->render.flags & RENDER_VIEWMODEL) && r_refdef.numlights < MAX_DLIGHTS)
1274         {
1275                 matrix4x4_t dlightmatrix;
1276                 Matrix4x4_Normalize(&dlightmatrix, &e->render.matrix);
1277                 // hack to make glowing player light shine on their gun
1278                 //if (e->state_current.number == cl.viewentity/* && !chase_active.integer*/)
1279                 //      Matrix4x4_AdjustOrigin(&dlightmatrix, 0, 0, 30);
1280                 Matrix4x4_Scale(&dlightmatrix, dlightradius, 1);
1281                 R_RTLight_Update(&r_refdef.lights[r_refdef.numlights++], false, &dlightmatrix, dlightcolor, -1, NULL, true, 1, 0.25, 0, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1282         }
1283         // custom rtlight
1284         if ((e->state_current.lightpflags & PFLAGS_FULLDYNAMIC) && r_refdef.numlights < MAX_DLIGHTS)
1285         {
1286                 matrix4x4_t dlightmatrix;
1287                 float light[4];
1288                 VectorScale(e->state_current.light, (1.0f / 256.0f), light);
1289                 light[3] = e->state_current.light[3];
1290                 if (light[0] == 0 && light[1] == 0 && light[2] == 0)
1291                         VectorSet(light, 1, 1, 1);
1292                 if (light[3] == 0)
1293                         light[3] = 350;
1294                 // FIXME: add ambient/diffuse/specular scales as an extension ontop of TENEBRAE_GFX_DLIGHTS?
1295                 Matrix4x4_Normalize(&dlightmatrix, &e->render.matrix);
1296                 Matrix4x4_Scale(&dlightmatrix, light[3], 1);
1297                 R_RTLight_Update(&r_refdef.lights[r_refdef.numlights++], false, &dlightmatrix, light, e->state_current.lightstyle, e->state_current.skin > 0 ? va("cubemaps/%i", e->state_current.skin) : NULL, !(e->state_current.lightpflags & PFLAGS_NOSHADOW), (e->state_current.lightpflags & PFLAGS_CORONA) != 0, 0.25, 0, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1298         }
1299         // do trail light
1300         if (e->render.flags & RENDER_GLOWTRAIL)
1301                 trailtype = EFFECT_TR_GLOWTRAIL;
1302         if (trailtype)
1303                 CL_ParticleTrail(trailtype, 0, origin, origin, vec3_origin, vec3_origin, NULL, e->state_current.glowcolor, true, false);
1304
1305         // don't show entities with no modelindex (note: this still shows
1306         // entities which have a modelindex that resolved to a NULL model)
1307         if (e->render.model && !(e->render.effects & EF_NODRAW) && r_refdef.numentities < r_refdef.maxentities)
1308                 r_refdef.entities[r_refdef.numentities++] = &e->render;
1309         //if (cl.viewentity && e->state_current.number == cl.viewentity)
1310         //      Matrix4x4_Print(&e->render.matrix);
1311 }
1312
1313 void CL_RelinkWorld(void)
1314 {
1315         entity_t *ent = &cl.entities[0];
1316         cl.brushmodel_entities[cl.num_brushmodel_entities++] = 0;
1317         // FIXME: this should be done at load
1318         ent->render.matrix = identitymatrix;
1319         CL_UpdateRenderEntity(&ent->render);
1320         ent->render.flags = RENDER_SHADOW;
1321         if (!r_fullbright.integer)
1322                 ent->render.flags |= RENDER_LIGHT;
1323         VectorSet(ent->render.colormod, 1, 1, 1);
1324         r_refdef.worldentity = &ent->render;
1325         r_refdef.worldmodel = cl.worldmodel;
1326 }
1327
1328 static void CL_RelinkStaticEntities(void)
1329 {
1330         int i;
1331         entity_t *e;
1332         for (i = 0, e = cl.static_entities;i < cl.num_static_entities && r_refdef.numentities < r_refdef.maxentities;i++, e++)
1333         {
1334                 e->render.flags = 0;
1335                 // if the model was not loaded when the static entity was created we
1336                 // need to re-fetch the model pointer
1337                 e->render.model = cl.model_precache[e->state_baseline.modelindex];
1338                 CL_UpdateRenderEntity(&e->render);
1339                 // transparent stuff can't be lit during the opaque stage
1340                 if (e->render.effects & (EF_ADDITIVE | EF_NODEPTHTEST) || e->render.alpha < 1)
1341                         e->render.flags |= RENDER_TRANSPARENT;
1342                 // either fullbright or lit
1343                 if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
1344                         e->render.flags |= RENDER_LIGHT;
1345                 // hide player shadow during intermission or nehahra movie
1346                 if (!(e->render.effects & EF_NOSHADOW) && !(e->render.flags & RENDER_TRANSPARENT))
1347                         e->render.flags |= RENDER_SHADOW;
1348                 VectorSet(e->render.colormod, 1, 1, 1);
1349                 R_LerpAnimation(&e->render);
1350                 r_refdef.entities[r_refdef.numentities++] = &e->render;
1351         }
1352 }
1353
1354 /*
1355 ===============
1356 CL_RelinkEntities
1357 ===============
1358 */
1359 static void CL_RelinkNetworkEntities(void)
1360 {
1361         entity_t *ent;
1362         int i;
1363
1364         // start on the entity after the world
1365         for (i = 1;i < cl.num_entities;i++)
1366         {
1367                 if (cl.entities_active[i])
1368                 {
1369                         ent = cl.entities + i;
1370                         if (ent->state_current.active)
1371                                 CL_LinkNetworkEntity(ent);
1372                         else
1373                                 cl.entities_active[i] = false;
1374                 }
1375         }
1376 }
1377
1378 static void CL_RelinkEffects(void)
1379 {
1380         int i, intframe;
1381         cl_effect_t *e;
1382         entity_t *ent;
1383         float frame;
1384
1385         for (i = 0, e = cl.effects;i < cl.num_effects;i++, e++)
1386         {
1387                 if (e->active)
1388                 {
1389                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
1390                         intframe = (int)frame;
1391                         if (intframe < 0 || intframe >= e->endframe)
1392                         {
1393                                 memset(e, 0, sizeof(*e));
1394                                 while (cl.num_effects > 0 && !cl.effects[cl.num_effects - 1].active)
1395                                         cl.num_effects--;
1396                                 continue;
1397                         }
1398
1399                         if (intframe != e->frame)
1400                         {
1401                                 e->frame = intframe;
1402                                 e->frame1time = e->frame2time;
1403                                 e->frame2time = cl.time;
1404                         }
1405
1406                         // if we're drawing effects, get a new temp entity
1407                         // (NewTempEntity adds it to the render entities list for us)
1408                         if (r_draweffects.integer && (ent = CL_NewTempEntity()))
1409                         {
1410                                 // interpolation stuff
1411                                 ent->render.frame1 = intframe;
1412                                 ent->render.frame2 = intframe + 1;
1413                                 if (ent->render.frame2 >= e->endframe)
1414                                         ent->render.frame2 = -1; // disappear
1415                                 ent->render.framelerp = frame - intframe;
1416                                 ent->render.frame1time = e->frame1time;
1417                                 ent->render.frame2time = e->frame2time;
1418
1419                                 // normal stuff
1420                                 if(e->modelindex < MAX_MODELS)
1421                                         ent->render.model = cl.model_precache[e->modelindex];
1422                                 else
1423                                         ent->render.model = cl.csqc_model_precache[-(e->modelindex+1)];
1424                                 ent->render.frame = ent->render.frame2;
1425                                 ent->render.colormap = -1; // no special coloring
1426                                 ent->render.alpha = 1;
1427                                 VectorSet(ent->render.colormod, 1, 1, 1);
1428
1429                                 Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, e->origin[0], e->origin[1], e->origin[2], 0, 0, 0, 1);
1430                                 CL_UpdateRenderEntity(&ent->render);
1431                         }
1432                 }
1433         }
1434 }
1435
1436 void CL_Beam_CalculatePositions(const beam_t *b, vec3_t start, vec3_t end)
1437 {
1438         VectorCopy(b->start, start);
1439         VectorCopy(b->end, end);
1440
1441         // if coming from the player, update the start position
1442         if (b->entity == cl.viewentity)
1443         {
1444                 if (cl_beams_quakepositionhack.integer && !chase_active.integer)
1445                 {
1446                         // LordHavoc: this is a stupid hack from Quake that makes your
1447                         // lightning appear to come from your waist and cover less of your
1448                         // view
1449                         // in Quake this hack was applied to all players (causing the
1450                         // infamous crotch-lightning), but in darkplaces and QuakeWorld it
1451                         // only applies to your own lightning, and only in first person
1452                         Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, start);
1453                 }
1454                 if (cl_beams_instantaimhack.integer)
1455                 {
1456                         vec3_t dir, localend;
1457                         vec_t len;
1458                         // LordHavoc: this updates the beam direction to match your
1459                         // viewangles
1460                         VectorSubtract(end, start, dir);
1461                         len = VectorLength(dir);
1462                         VectorNormalize(dir);
1463                         VectorSet(localend, len, 0, 0);
1464                         Matrix4x4_Transform(&r_view.matrix, localend, end);
1465                 }
1466         }
1467 }
1468
1469 void CL_RelinkBeams(void)
1470 {
1471         int i;
1472         beam_t *b;
1473         vec3_t dist, org, start, end;
1474         float d;
1475         entity_t *ent;
1476         float yaw, pitch;
1477         float forward;
1478         matrix4x4_t tempmatrix;
1479
1480         for (i = 0, b = cl.beams;i < cl.num_beams;i++, b++)
1481         {
1482                 if (!b->model)
1483                         continue;
1484                 if (b->endtime < cl.time)
1485                 {
1486                         b->model = NULL;
1487                         continue;
1488                 }
1489
1490                 CL_Beam_CalculatePositions(b, start, end);
1491
1492                 if (b->lightning)
1493                 {
1494                         if (cl_beams_lightatend.integer && r_refdef.numlights < MAX_DLIGHTS)
1495                         {
1496                                 // FIXME: create a matrix from the beam start/end orientation
1497                                 vec3_t dlightcolor;
1498                                 VectorSet(dlightcolor, 0.3, 0.7, 1);
1499                                 Matrix4x4_CreateFromQuakeEntity(&tempmatrix, end[0], end[1], end[2], 0, 0, 0, 200);
1500                                 R_RTLight_Update(&r_refdef.lights[r_refdef.numlights++], false, &tempmatrix, dlightcolor, -1, NULL, true, 1, 0.25, 1, 0, 0, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1501                         }
1502                         if (cl_beams_polygons.integer)
1503                                 continue;
1504                 }
1505
1506                 // calculate pitch and yaw
1507                 // (this is similar to the QuakeC builtin function vectoangles)
1508                 VectorSubtract(end, start, dist);
1509                 if (dist[1] == 0 && dist[0] == 0)
1510                 {
1511                         yaw = 0;
1512                         if (dist[2] > 0)
1513                                 pitch = 90;
1514                         else
1515                                 pitch = 270;
1516                 }
1517                 else
1518                 {
1519                         yaw = (int) (atan2(dist[1], dist[0]) * 180 / M_PI);
1520                         if (yaw < 0)
1521                                 yaw += 360;
1522
1523                         forward = sqrt (dist[0]*dist[0] + dist[1]*dist[1]);
1524                         pitch = (int) (atan2(dist[2], forward) * 180 / M_PI);
1525                         if (pitch < 0)
1526                                 pitch += 360;
1527                 }
1528
1529                 // add new entities for the lightning
1530                 VectorCopy (start, org);
1531                 d = VectorNormalizeLength(dist);
1532                 while (d > 0)
1533                 {
1534                         ent = CL_NewTempEntity ();
1535                         if (!ent)
1536                                 return;
1537                         //VectorCopy (org, ent->render.origin);
1538                         ent->render.model = b->model;
1539                         //ent->render.effects = EF_FULLBRIGHT;
1540                         //ent->render.angles[0] = pitch;
1541                         //ent->render.angles[1] = yaw;
1542                         //ent->render.angles[2] = rand()%360;
1543                         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, org[0], org[1], org[2], -pitch, yaw, lhrandom(0, 360), 1);
1544                         CL_UpdateRenderEntity(&ent->render);
1545                         VectorMA(org, 30, dist, org);
1546                         d -= 30;
1547                 }
1548         }
1549
1550         while (cl.num_beams > 0 && !cl.beams[cl.num_beams - 1].model)
1551                 cl.num_beams--;
1552 }
1553
1554 static void CL_RelinkQWNails(void)
1555 {
1556         int i;
1557         vec_t *v;
1558         entity_t *ent;
1559
1560         for (i = 0;i < cl.qw_num_nails;i++)
1561         {
1562                 v = cl.qw_nails[i];
1563
1564                 // if we're drawing effects, get a new temp entity
1565                 // (NewTempEntity adds it to the render entities list for us)
1566                 if (!(ent = CL_NewTempEntity()))
1567                         continue;
1568
1569                 // normal stuff
1570                 ent->render.model = cl.model_precache[cl.qw_modelindex_spike];
1571                 ent->render.colormap = -1; // no special coloring
1572                 ent->render.alpha = 1;
1573                 VectorSet(ent->render.colormod, 1, 1, 1);
1574
1575                 Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, v[0], v[1], v[2], v[3], v[4], v[5], 1);
1576                 CL_UpdateRenderEntity(&ent->render);
1577         }
1578 }
1579
1580 void CL_LerpPlayer(float frac)
1581 {
1582         int i;
1583
1584         cl.viewzoom = cl.mviewzoom[1] + frac * (cl.mviewzoom[0] - cl.mviewzoom[1]);
1585         for (i = 0;i < 3;i++)
1586         {
1587                 cl.punchangle[i] = cl.mpunchangle[1][i] + frac * (cl.mpunchangle[0][i] - cl.mpunchangle[1][i]);
1588                 cl.punchvector[i] = cl.mpunchvector[1][i] + frac * (cl.mpunchvector[0][i] - cl.mpunchvector[1][i]);
1589                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
1590         }
1591
1592         // interpolate the angles if playing a demo or spectating someone
1593         if (cls.demoplayback || cl.fixangle[0])
1594         {
1595                 for (i = 0;i < 3;i++)
1596                 {
1597                         float d = cl.mviewangles[0][i] - cl.mviewangles[1][i];
1598                         if (d > 180)
1599                                 d -= 360;
1600                         else if (d < -180)
1601                                 d += 360;
1602                         cl.viewangles[i] = cl.mviewangles[1][i] + frac * d;
1603                 }
1604         }
1605 }
1606
1607 void CSQC_RelinkAllEntities (int drawmask)
1608 {
1609         // link stuff
1610         CL_RelinkWorld();
1611         CL_RelinkStaticEntities();
1612         CL_RelinkBeams();
1613         CL_RelinkEffects();
1614
1615         // link stuff
1616         if (drawmask & ENTMASK_ENGINE)
1617         {
1618                 CL_RelinkNetworkEntities();
1619                 if (drawmask & ENTMASK_ENGINEVIEWMODELS)
1620                         CL_LinkNetworkEntity(&cl.viewent); // link gun model
1621                 CL_RelinkQWNails();
1622         }
1623
1624         // update view blend
1625         V_CalcViewBlend();
1626 }
1627
1628 /*
1629 ===============
1630 CL_ReadFromServer
1631
1632 Read all incoming data from the server
1633 ===============
1634 */
1635 extern void CL_StairSmoothing(void);//view.c
1636
1637 int CL_ReadFromServer(void)
1638 {
1639         CL_ReadDemoMessage();
1640         CL_SendMove();
1641
1642         r_refdef.time = cl.time;
1643         r_refdef.extraupdate = !r_speeds.integer;
1644         r_refdef.numentities = 0;
1645         r_refdef.numlights = 0;
1646         r_view.matrix = identitymatrix;
1647
1648         cl.num_brushmodel_entities = 0;
1649
1650         if (cls.state == ca_connected && cls.signon == SIGNONS)
1651         {
1652                 // prepare for a new frame
1653                 CL_LerpPlayer(CL_LerpPoint());
1654                 CL_DecayLightFlashes();
1655                 CL_ClearTempEntities();
1656                 V_DriftPitch();
1657                 V_FadeViewFlashs();
1658
1659                 // now update all the network entities and the view matrix
1660                 CL_UpdateEntities();
1661
1662                 CL_RelinkLightFlashes();
1663                 CSQC_RelinkAllEntities(ENTMASK_ENGINE | ENTMASK_ENGINEVIEWMODELS);
1664
1665                 CL_StairSmoothing();
1666
1667                 // move particles
1668                 CL_MoveParticles();
1669                 R_MoveExplosions();
1670
1671                 // update the r_refdef time again because cl.time may have changed in
1672                 // CL_LerpPoint()
1673                 r_refdef.time = cl.time;
1674         }
1675
1676         return 0;
1677 }
1678
1679 // LordHavoc: pausedemo command
1680 static void CL_PauseDemo_f (void)
1681 {
1682         cls.demopaused = !cls.demopaused;
1683         if (cls.demopaused)
1684                 Con_Print("Demo paused\n");
1685         else
1686                 Con_Print("Demo unpaused\n");
1687 }
1688
1689 /*
1690 ======================
1691 CL_Fog_f
1692 ======================
1693 */
1694 static void CL_Fog_f (void)
1695 {
1696         if (Cmd_Argc () == 1)
1697         {
1698                 Con_Printf("\"fog\" is \"%f %f %f %f\"\n", r_refdef.fog_density, r_refdef.fog_red, r_refdef.fog_green, r_refdef.fog_blue);
1699                 return;
1700         }
1701         r_refdef.fog_density = atof(Cmd_Argv(1));
1702         r_refdef.fog_red = atof(Cmd_Argv(2));
1703         r_refdef.fog_green = atof(Cmd_Argv(3));
1704         r_refdef.fog_blue = atof(Cmd_Argv(4));
1705 }
1706
1707 /*
1708 ====================
1709 CL_TimeRefresh_f
1710
1711 For program optimization
1712 ====================
1713 */
1714 static void CL_TimeRefresh_f (void)
1715 {
1716         int i;
1717         float timestart, timedelta, oldangles[3];
1718
1719         r_refdef.extraupdate = false;
1720         VectorCopy(cl.viewangles, oldangles);
1721         VectorClear(cl.viewangles);
1722
1723         timestart = Sys_DoubleTime();
1724         for (i = 0;i < 128;i++)
1725         {
1726                 Matrix4x4_CreateFromQuakeEntity(&r_view.matrix, r_view.origin[0], r_view.origin[1], r_view.origin[2], 0, i / 128.0 * 360.0, 0, 1);
1727                 CL_UpdateScreen();
1728         }
1729         timedelta = Sys_DoubleTime() - timestart;
1730
1731         VectorCopy(oldangles, cl.viewangles);
1732         Con_Printf("%f seconds (%f fps)\n", timedelta, 128/timedelta);
1733 }
1734
1735 /*
1736 ===========
1737 CL_Shutdown
1738 ===========
1739 */
1740 void CL_Shutdown (void)
1741 {
1742         CL_Particles_Shutdown();
1743         CL_Parse_Shutdown();
1744
1745         Mem_FreePool (&cls.permanentmempool);
1746         Mem_FreePool (&cls.levelmempool);
1747 }
1748
1749 /*
1750 =================
1751 CL_Init
1752 =================
1753 */
1754 void CL_Init (void)
1755 {
1756         cls.levelmempool = Mem_AllocPool("client (per-level memory)", 0, NULL);
1757         cls.permanentmempool = Mem_AllocPool("client (long term memory)", 0, NULL);
1758
1759         memset(&r_refdef, 0, sizeof(r_refdef));
1760         // max entities sent to renderer per frame
1761         r_refdef.maxentities = MAX_EDICTS + 256 + 512;
1762         r_refdef.entities = (entity_render_t **)Mem_Alloc(cls.permanentmempool, sizeof(entity_render_t *) * r_refdef.maxentities);
1763
1764         CL_InitInput ();
1765
1766 //
1767 // register our commands
1768 //
1769         Cvar_RegisterVariable (&cl_upspeed);
1770         Cvar_RegisterVariable (&cl_forwardspeed);
1771         Cvar_RegisterVariable (&cl_backspeed);
1772         Cvar_RegisterVariable (&cl_sidespeed);
1773         Cvar_RegisterVariable (&cl_movespeedkey);
1774         Cvar_RegisterVariable (&cl_yawspeed);
1775         Cvar_RegisterVariable (&cl_pitchspeed);
1776         Cvar_RegisterVariable (&cl_anglespeedkey);
1777         Cvar_RegisterVariable (&cl_shownet);
1778         Cvar_RegisterVariable (&cl_nolerp);
1779         Cvar_RegisterVariable (&lookspring);
1780         Cvar_RegisterVariable (&lookstrafe);
1781         Cvar_RegisterVariable (&sensitivity);
1782         Cvar_RegisterVariable (&freelook);
1783
1784         Cvar_RegisterVariable (&m_pitch);
1785         Cvar_RegisterVariable (&m_yaw);
1786         Cvar_RegisterVariable (&m_forward);
1787         Cvar_RegisterVariable (&m_side);
1788
1789         Cvar_RegisterVariable (&cl_itembobspeed);
1790         Cvar_RegisterVariable (&cl_itembobheight);
1791
1792         Cmd_AddCommand ("entities", CL_PrintEntities_f, "print information on network entities known to client");
1793         Cmd_AddCommand ("disconnect", CL_Disconnect_f, "disconnect from server (or disconnect all clients if running a server)");
1794         Cmd_AddCommand ("record", CL_Record_f, "record a demo");
1795         Cmd_AddCommand ("stop", CL_Stop_f, "stop recording or playing a demo");
1796         Cmd_AddCommand ("playdemo", CL_PlayDemo_f, "watch a demo file");
1797         Cmd_AddCommand ("timedemo", CL_TimeDemo_f, "play back a demo as fast as possible and save statistics to benchmark.log");
1798
1799 #ifdef AUTODEMO_BROKEN
1800         Cvar_RegisterVariable (&cl_autodemo);
1801         Cvar_RegisterVariable (&cl_autodemo_nameformat);
1802 #endif
1803
1804         Cmd_AddCommand ("fog", CL_Fog_f, "set global fog parameters (density red green blue)");
1805
1806         // LordHavoc: added pausedemo
1807         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)");
1808
1809         Cvar_RegisterVariable(&r_draweffects);
1810         Cvar_RegisterVariable(&cl_explosions_alpha_start);
1811         Cvar_RegisterVariable(&cl_explosions_alpha_end);
1812         Cvar_RegisterVariable(&cl_explosions_size_start);
1813         Cvar_RegisterVariable(&cl_explosions_size_end);
1814         Cvar_RegisterVariable(&cl_explosions_lifetime);
1815         Cvar_RegisterVariable(&cl_stainmaps);
1816         Cvar_RegisterVariable(&cl_stainmaps_clearonload);
1817         Cvar_RegisterVariable(&cl_beams_polygons);
1818         Cvar_RegisterVariable(&cl_beams_quakepositionhack);
1819         Cvar_RegisterVariable(&cl_beams_instantaimhack);
1820         Cvar_RegisterVariable(&cl_beams_lightatend);
1821         Cvar_RegisterVariable(&cl_noplayershadow);
1822
1823         Cvar_RegisterVariable(&cl_prydoncursor);
1824
1825         Cvar_RegisterVariable(&cl_deathnoviewmodel);
1826
1827         // for QW connections
1828         Cvar_RegisterVariable(&qport);
1829         Cvar_SetValueQuick(&qport, (rand() * RAND_MAX + rand()) & 0xffff);
1830
1831         Cmd_AddCommand("timerefresh", CL_TimeRefresh_f, "turn quickly and print rendering statistcs");
1832
1833         CL_Parse_Init();
1834         CL_Particles_Init();
1835         CL_Screen_Init();
1836
1837         CL_Video_Init();
1838 }
1839
1840
1841