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
  36 cvar_t cl_shownet = {0, "cl_shownet","0","1 = print packet size, 2 = print packet message list"};
  37 cvar_t cl_nolerp = {0, "cl_nolerp", "0","network update smoothing"};
  38
  39 cvar_t cl_itembobheight = {0, "cl_itembobheight", "0","how much items bob up and down (try 8)"};
  40 cvar_t cl_itembobspeed = {0, "cl_itembobspeed", "0.5","how frequently items bob up and down"};
  41
  42 cvar_t lookspring = {CVAR_SAVE, "lookspring","0","returns pitch to level with the floor when no longer holding a pitch key"};
  43 cvar_t lookstrafe = {CVAR_SAVE, "lookstrafe","0","move instead of turning"};
  44 cvar_t sensitivity = {CVAR_SAVE, "sensitivity","3","mouse speed multiplier"};
  45
  46 cvar_t m_pitch = {CVAR_SAVE, "m_pitch","0.022","mouse pitch speed multiplier"};
  47 cvar_t m_yaw = {CVAR_SAVE, "m_yaw","0.022","mouse yaw speed multiplier"};
  48 cvar_t m_forward = {CVAR_SAVE, "m_forward","1","mouse forward speed multiplier"};
  49 cvar_t m_side = {CVAR_SAVE, "m_side","0.8","mouse side speed multiplier"};
  50
  51 cvar_t freelook = {CVAR_SAVE, "freelook", "1","mouse controls pitch instead of forward/back"};
  52
  53 #ifdef AUTODEMO_BROKEN
  54 cvar_t cl_autodemo = {0, "cl_autodemo", "0", "records every game played, using the date/time and map name to name the demo file" };
  55 cvar_t cl_autodemo_nameformat = {0, "cl_autodemo_nameformat", "%Y-%m-%d_%H-%M", "The format of the cl_autodemo filename, followed by the map name" };
  56 #endif
  57
  58 cvar_t r_draweffects = {0, "r_draweffects", "1","renders temporary sprite effects"};
  59
  60 cvar_t cl_explosions_alpha_start = {CVAR_SAVE, "cl_explosions_alpha_start", "1.5","starting alpha of an explosion shell"};
  61 cvar_t cl_explosions_alpha_end = {CVAR_SAVE, "cl_explosions_alpha_end", "0","end alpha of an explosion shell (just before it disappears)"};
  62 cvar_t cl_explosions_size_start = {CVAR_SAVE, "cl_explosions_size_start", "16","starting size of an explosion shell"};
  63 cvar_t cl_explosions_size_end = {CVAR_SAVE, "cl_explosions_size_end", "128","ending alpha of an explosion shell (just before it disappears)"};
  64 cvar_t cl_explosions_lifetime = {CVAR_SAVE, "cl_explosions_lifetime", "0.5","how long an explosion shell lasts"};
  65
  66 cvar_t cl_stainmaps = {CVAR_SAVE, "cl_stainmaps", "1","stains lightmaps, much faster than decals but blurred"};
  67 cvar_t cl_stainmaps_clearonload = {CVAR_SAVE, "cl_stainmaps_clearonload", "1","clear stainmaps on map restart"};
  68
  69 cvar_t cl_beams_polygons = {CVAR_SAVE, "cl_beams_polygons", "1","use beam polygons instead of models"};
  70 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)"};
  71 cvar_t cl_beams_instantaimhack = {CVAR_SAVE, "cl_beams_instantaimhack", "1", "makes your lightning gun aiming update instantly"};
  72 cvar_t cl_beams_lightatend = {CVAR_SAVE, "cl_beams_lightatend", "0", "make a light at the end of the beam"};
  73
  74 cvar_t cl_noplayershadow = {CVAR_SAVE, "cl_noplayershadow", "0","hide player shadow"};
  75
  76 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)"};
  77
  78 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"};
  79
  80 cvar_t cl_deathnoviewmodel = {0, "cl_deathnoviewmodel", "1", "hides gun model when dead"};
  81
  82 client_static_t cls;
  83 client_state_t  cl;
  84
  85 #define MAX_PARTICLES                   32768   // default max # of particles at one time
  86 #define ABSOLUTE_MIN_PARTICLES  512             // no fewer than this no matter what's on the command line
  87
  88 /*
  89 =====================
  90 CL_ClearState
  91
  92 =====================
  93 */
  94 void CL_ClearState(void)
  95 {
  96         int i;
  97         entity_t *ent;
  98
  99 // wipe the entire cl structure
 100         Mem_EmptyPool(cls.levelmempool);
 101         memset (&cl, 0, sizeof(cl));
 102
 103         S_StopAllSounds();
 104
 105         // reset the view zoom interpolation
 106         cl.mviewzoom[0] = cl.mviewzoom[1] = 1;
 107
 108         cl.num_entities = 0;
 109         cl.num_csqcentities = 0;        //[515]: csqc
 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_csqcentities = 256;      //[515]: csqc
 117         cl.max_static_entities = 256;
 118         cl.max_temp_entities = 512;
 119         cl.max_effects = 256;
 120         cl.max_beams = 256;
 121         cl.max_dlights = MAX_DLIGHTS;
 122         cl.max_lightstyle = MAX_LIGHTSTYLES;
 123         cl.max_brushmodel_entities = MAX_EDICTS;
 124         cl.max_particles = MAX_PARTICLES;
 125
 126 // COMMANDLINEOPTION: Client: -particles <number> changes maximum number of particles at once, default 32768
 127         i = COM_CheckParm ("-particles");
 128         if (i && i < com_argc - 1)
 129         {
 130                 cl.max_particles = (int)(atoi(com_argv[i+1]));
 131                 if (cl.max_particles < ABSOLUTE_MIN_PARTICLES)
 132                         cl.max_particles = ABSOLUTE_MIN_PARTICLES;
 133         }
 134
 135         cl.num_dlights = 0;
 136         cl.num_effects = 0;
 137         cl.num_beams = 0;
 138
 139         cl.entities = (entity_t *)Mem_Alloc(cls.levelmempool, cl.max_entities * sizeof(entity_t));
 140         cl.csqcentities = (entity_t *)Mem_Alloc(cls.levelmempool, cl.max_csqcentities * sizeof(entity_t));      //[515]: csqc
 141         cl.entities_active = (unsigned char *)Mem_Alloc(cls.levelmempool, cl.max_brushmodel_entities * sizeof(unsigned char));
 142         cl.csqcentities_active = (unsigned char *)Mem_Alloc(cls.levelmempool, cl.max_brushmodel_entities * sizeof(unsigned char));      //[515]: csqc
 143         cl.static_entities = (entity_t *)Mem_Alloc(cls.levelmempool, cl.max_static_entities * sizeof(entity_t));
 144         cl.temp_entities = (entity_t *)Mem_Alloc(cls.levelmempool, cl.max_temp_entities * sizeof(entity_t));
 145         cl.effects = (cl_effect_t *)Mem_Alloc(cls.levelmempool, cl.max_effects * sizeof(cl_effect_t));
 146         cl.beams = (beam_t *)Mem_Alloc(cls.levelmempool, cl.max_beams * sizeof(beam_t));
 147         cl.dlights = (dlight_t *)Mem_Alloc(cls.levelmempool, cl.max_dlights * sizeof(dlight_t));
 148         cl.lightstyle = (lightstyle_t *)Mem_Alloc(cls.levelmempool, cl.max_lightstyle * sizeof(lightstyle_t));
 149         cl.brushmodel_entities = (int *)Mem_Alloc(cls.levelmempool, cl.max_brushmodel_entities * sizeof(int));
 150         cl.particles = (particle_t *) Mem_Alloc(cls.levelmempool, cl.max_particles * sizeof(particle_t));
 151
 152         // LordHavoc: have to set up the baseline info for alpha and other stuff
 153         for (i = 0;i < cl.max_entities;i++)
 154         {
 155                 cl.entities[i].state_baseline = defaultstate;
 156                 cl.entities[i].state_previous = defaultstate;
 157                 cl.entities[i].state_current = defaultstate;
 158         }
 159
 160         for (i = 0;i < cl.max_csqcentities;i++)
 161         {
 162                 cl.csqcentities[i].state_baseline = defaultstate;       //[515]: csqc
 163                 cl.csqcentities[i].state_previous = defaultstate;       //[515]: csqc
 164                 cl.csqcentities[i].state_current = defaultstate;        //[515]: csqc
 165                 cl.csqcentities[i].csqc = true;
 166                 cl.csqcentities[i].state_current.number = -i;
 167         }
 168
 169         if (gamemode == GAME_NEXUIZ)
 170         {
 171                 VectorSet(cl.playerstandmins, -16, -16, -24);
 172                 VectorSet(cl.playerstandmaxs, 16, 16, 45);
 173                 VectorSet(cl.playercrouchmins, -16, -16, -24);
 174                 VectorSet(cl.playercrouchmaxs, 16, 16, 25);
 175         }
 176         else
 177         {
 178                 VectorSet(cl.playerstandmins, -16, -16, -24);
 179                 VectorSet(cl.playerstandmaxs, 16, 16, 24);
 180                 VectorSet(cl.playercrouchmins, -16, -16, -24);
 181                 VectorSet(cl.playercrouchmaxs, 16, 16, 24);
 182         }
 183
 184         // disable until we get textures for it
 185         R_ResetSkyBox();
 186
 187         ent = &cl.entities[0];
 188         // entire entity array was cleared, so just fill in a few fields
 189         ent->state_current.active = true;
 190         ent->render.model = cl.worldmodel = NULL; // no world model yet
 191         ent->render.alpha = 1;
 192         ent->render.colormap = -1; // no special coloring
 193         ent->render.flags = RENDER_SHADOW | RENDER_LIGHT;
 194         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, 0, 0, 0, 0, 0, 0, 1);
 195         CL_UpdateRenderEntity(&ent->render);
 196
 197         // noclip is turned off at start
 198         noclip_anglehack = false;
 199
 200         // mark all frames invalid for delta
 201         memset(cl.qw_deltasequence, -1, sizeof(cl.qw_deltasequence));
 202
 203         CL_Screen_NewMap();
 204 }
 205
 206 void CL_SetInfo(const char *key, const char *value, qboolean send, qboolean allowstarkey, qboolean allowmodel, qboolean quiet)
 207 {
 208         if (strchr(key, '\"') || strchr(value, '\"') || (!allowstarkey && key[0] == '*') || (!allowmodel && (!strcasecmp(Cmd_Argv(1), "pmodel") || !strcasecmp(Cmd_Argv(1), "emodel"))))
 209         {
 210                 if (!quiet)
 211                         Con_Printf("Can't setinfo \"%s\" \"%s\"\n");
 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_ExpandCSQCEntities(int num)
 279 {
 280         int i, oldmaxentities;
 281         entity_t *oldentities;
 282         if (num >= cl.max_csqcentities)
 283         {
 284                 if (!cl.csqcentities)
 285                         Sys_Error("CL_ExpandCSQCEntities: cl.csqcentities not initialized\n");
 286                 if (num >= MAX_EDICTS)
 287                         Host_Error("CL_ExpandCSQCEntities: num %i >= %i\n", num, MAX_EDICTS);
 288                 oldmaxentities = cl.max_csqcentities;
 289                 oldentities = cl.csqcentities;
 290                 cl.max_csqcentities = (num & ~255) + 256;
 291                 cl.csqcentities = (entity_t *)Mem_Alloc(cls.levelmempool, cl.max_csqcentities * sizeof(entity_t));
 292                 memcpy(cl.csqcentities, oldentities, oldmaxentities * sizeof(entity_t));
 293                 Mem_Free(oldentities);
 294                 for (i = oldmaxentities;i < cl.max_csqcentities;i++)
 295                 {
 296                         cl.csqcentities[i].state_baseline = defaultstate;
 297                         cl.csqcentities[i].state_previous = defaultstate;
 298                         cl.csqcentities[i].state_current = defaultstate;
 299                         cl.csqcentities[i].csqc = true;
 300                         cl.csqcentities[i].state_current.number = -i;
 301                 }
 302         }
 303 }
 304
 305 void CL_VM_ShutDown (void);
 306 /*
 307 =====================
 308 CL_Disconnect
 309
 310 Sends a disconnect message to the server
 311 This is also called on Host_Error, so it shouldn't cause any errors
 312 =====================
 313 */
 314 void CL_Disconnect(void)
 315 {
 316         if (cls.state == ca_dedicated)
 317                 return;
 318
 319         Con_DPrintf("CL_Disconnect\n");
 320
 321         CL_VM_ShutDown();
 322 // stop sounds (especially looping!)
 323         S_StopAllSounds ();
 324
 325         cl.parsingtextexpectingpingforscores = 0; // just in case no reply has come yet
 326
 327         // clear contents blends
 328         cl.cshifts[0].percent = 0;
 329         cl.cshifts[1].percent = 0;
 330         cl.cshifts[2].percent = 0;
 331         cl.cshifts[3].percent = 0;
 332
 333         cl.worldmodel = NULL;
 334
 335         if (cls.demoplayback)
 336                 CL_StopPlayback();
 337         else if (cls.netcon)
 338         {
 339                 sizebuf_t buf;
 340                 unsigned char bufdata[8];
 341                 if (cls.demorecording)
 342                         CL_Stop_f();
 343
 344                 // send disconnect message 3 times to improve chances of server
 345                 // receiving it (but it still fails sometimes)
 346                 memset(&buf, 0, sizeof(buf));
 347                 buf.data = bufdata;
 348                 buf.maxsize = sizeof(bufdata);
 349                 if (cls.protocol == PROTOCOL_QUAKEWORLD)
 350                 {
 351                         Con_DPrint("Sending drop command\n");
 352                         MSG_WriteByte(&buf, qw_clc_stringcmd);
 353                         MSG_WriteString(&buf, "drop");
 354                 }
 355                 else
 356                 {
 357                         Con_DPrint("Sending clc_disconnect\n");
 358                         MSG_WriteByte(&buf, clc_disconnect);
 359                 }
 360                 NetConn_SendUnreliableMessage(cls.netcon, &buf, cls.protocol);
 361                 NetConn_SendUnreliableMessage(cls.netcon, &buf, cls.protocol);
 362                 NetConn_SendUnreliableMessage(cls.netcon, &buf, cls.protocol);
 363                 NetConn_Close(cls.netcon);
 364                 cls.netcon = NULL;
 365         }
 366         cls.state = ca_disconnected;
 367
 368         cls.demoplayback = cls.timedemo = false;
 369         cls.signon = 0;
 370 }
 371
 372 void CL_Disconnect_f(void)
 373 {
 374         CL_Disconnect ();
 375         if (sv.active)
 376                 Host_ShutdownServer ();
 377 }
 378
 379
 380
 381
 382 /*
 383 =====================
 384 CL_EstablishConnection
 385
 386 Host should be either "local" or a net address
 387 =====================
 388 */
 389 void CL_EstablishConnection(const char *host)
 390 {
 391         if (cls.state == ca_dedicated)
 392                 return;
 393
 394         // clear menu's connect error message
 395         M_Update_Return_Reason("");
 396         cls.demonum = -1;
 397
 398         // stop demo loop in case this fails
 399         CL_Disconnect();
 400
 401         // if downloads are running, cancel their finishing action
 402         Curl_Clear_forthismap();
 403
 404         // make sure the client ports are open before attempting to connect
 405         NetConn_UpdateSockets();
 406
 407         // run a network frame
 408         //NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 409
 410         if (LHNETADDRESS_FromString(&cls.connect_address, host, 26000) && (cls.connect_mysocket = NetConn_ChooseClientSocketForAddress(&cls.connect_address)))
 411         {
 412                 cls.connect_trying = true;
 413                 cls.connect_remainingtries = 3;
 414                 cls.connect_nextsendtime = 0;
 415                 M_Update_Return_Reason("Trying to connect...");
 416                 // run several network frames to jump into the game quickly
 417                 //if (sv.active)
 418                 //{
 419                 //      NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 420                 //      NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 421                 //      NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 422                 //      NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 423                 //}
 424         }
 425         else
 426         {
 427                 Con_Print("Unable to find a suitable network socket to connect to server.\n");
 428                 M_Update_Return_Reason("No network");
 429         }
 430 }
 431
 432 /*
 433 ==============
 434 CL_PrintEntities_f
 435 ==============
 436 */
 437 static void CL_PrintEntities_f(void)
 438 {
 439         entity_t *ent;
 440         int i, j;
 441         char name[32];
 442
 443         for (i = 0, ent = cl.entities;i < cl.num_entities;i++, ent++)
 444         {
 445                 const char* modelname;
 446
 447                 if (!ent->state_current.active)
 448                         continue;
 449
 450                 if (ent->render.model)
 451                         modelname = ent->render.model->name;
 452                 else
 453                         modelname = "--no model--";
 454                 strlcpy(name, modelname, 25);
 455                 for (j = (int)strlen(name);j < 25;j++)
 456                         name[j] = ' ';
 457                 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);
 458         }
 459 }
 460
 461 //static const vec3_t nomodelmins = {-16, -16, -16};
 462 //static const vec3_t nomodelmaxs = {16, 16, 16};
 463 void CL_UpdateRenderEntity(entity_render_t *ent)
 464 {
 465         vec3_t org;
 466         vec_t scale;
 467         model_t *model = ent->model;
 468         // update the inverse matrix for the renderer
 469         Matrix4x4_Invert_Simple(&ent->inversematrix, &ent->matrix);
 470         // update the animation blend state
 471         R_LerpAnimation(ent);
 472         // we need the matrix origin to center the box
 473         Matrix4x4_OriginFromMatrix(&ent->matrix, org);
 474         // update entity->render.scale because the renderer needs it
 475         ent->scale = scale = Matrix4x4_ScaleFromMatrix(&ent->matrix);
 476         if (model)
 477         {
 478                 // NOTE: this directly extracts vector components from the matrix, which relies on the matrix orientation!
 479 #ifdef MATRIX4x4_OPENGLORIENTATION
 480                 if (ent->matrix.m[0][2] != 0 || ent->matrix.m[1][2] != 0)
 481 #else
 482                 if (ent->matrix.m[2][0] != 0 || ent->matrix.m[2][1] != 0)
 483 #endif
 484                 {
 485                         // pitch or roll
 486                         VectorMA(org, scale, model->rotatedmins, ent->mins);
 487                         VectorMA(org, scale, model->rotatedmaxs, ent->maxs);
 488                 }
 489 #ifdef MATRIX4x4_OPENGLORIENTATION
 490                 else if (ent->matrix.m[1][0] != 0 || ent->matrix.m[0][1] != 0)
 491 #else
 492                 else if (ent->matrix.m[0][1] != 0 || ent->matrix.m[1][0] != 0)
 493 #endif
 494                 {
 495                         // yaw
 496                         VectorMA(org, scale, model->yawmins, ent->mins);
 497                         VectorMA(org, scale, model->yawmaxs, ent->maxs);
 498                 }
 499                 else
 500                 {
 501                         VectorMA(org, scale, model->normalmins, ent->mins);
 502                         VectorMA(org, scale, model->normalmaxs, ent->maxs);
 503                 }
 504         }
 505         else
 506         {
 507                 ent->mins[0] = org[0] - 16;
 508                 ent->mins[1] = org[1] - 16;
 509                 ent->mins[2] = org[2] - 16;
 510                 ent->maxs[0] = org[0] + 16;
 511                 ent->maxs[1] = org[1] + 16;
 512                 ent->maxs[2] = org[2] + 16;
 513         }
 514 }
 515
 516 /*
 517 ===============
 518 CL_LerpPoint
 519
 520 Determines the fraction between the last two messages that the objects
 521 should be put at.
 522 ===============
 523 */
 524 static float CL_LerpPoint(void)
 525 {
 526         float f;
 527
 528         // dropped packet, or start of demo
 529         if (cl.mtime[1] < cl.mtime[0] - 0.1)
 530                 cl.mtime[1] = cl.mtime[0] - 0.1;
 531
 532         cl.time = bound(cl.mtime[1], cl.time, cl.mtime[0]);
 533
 534         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 535         f = cl.mtime[0] - cl.mtime[1];
 536         if (!f || cl_nolerp.integer || cls.timedemo || (cl.islocalgame && !sv_fixedframeratesingleplayer.integer))
 537         {
 538                 cl.time = cl.mtime[0];
 539                 return 1;
 540         }
 541
 542         f = (cl.time - cl.mtime[1]) / f;
 543         return bound(0, f, 1);
 544 }
 545
 546 void CL_ClearTempEntities (void)
 547 {
 548         cl.num_temp_entities = 0;
 549 }
 550
 551 entity_t *CL_NewTempEntity(void)
 552 {
 553         entity_t *ent;
 554
 555         if (r_refdef.numentities >= r_refdef.maxentities)
 556                 return NULL;
 557         if (cl.num_temp_entities >= cl.max_temp_entities)
 558                 return NULL;
 559         ent = &cl.temp_entities[cl.num_temp_entities++];
 560         memset (ent, 0, sizeof(*ent));
 561         r_refdef.entities[r_refdef.numentities++] = &ent->render;
 562
 563         ent->render.colormap = -1; // no special coloring
 564         ent->render.alpha = 1;
 565         VectorSet(ent->render.colormod, 1, 1, 1);
 566         return ent;
 567 }
 568
 569 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
 570 {
 571         int i;
 572         cl_effect_t *e;
 573         if (!modelindex) // sanity check
 574                 return;
 575         for (i = 0, e = cl.effects;i < cl.max_effects;i++, e++)
 576         {
 577                 if (e->active)
 578                         continue;
 579                 e->active = true;
 580                 VectorCopy(org, e->origin);
 581                 e->modelindex = modelindex;
 582                 e->starttime = cl.time;
 583                 e->startframe = startframe;
 584                 e->endframe = startframe + framecount;
 585                 e->framerate = framerate;
 586
 587                 e->frame = 0;
 588                 e->frame1time = cl.time;
 589                 e->frame2time = cl.time;
 590                 cl.num_effects = max(cl.num_effects, i + 1);
 591                 break;
 592         }
 593 }
 594
 595 void CL_AllocDlight(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)
 596 {
 597         int i;
 598         dlight_t *dl;
 599
 600         /*
 601 // first look for an exact key match
 602         if (ent)
 603         {
 604                 dl = cl.dlights;
 605                 for (i = 0;i < cl.num_dlights;i++, dl++)
 606                         if (dl->ent == ent)
 607                                 goto dlightsetup;
 608         }
 609         */
 610
 611 // then look for anything else
 612         dl = cl.dlights;
 613         for (i = 0;i < cl.num_dlights;i++, dl++)
 614                 if (!dl->radius)
 615                         goto dlightsetup;
 616         // if we hit the end of the active dlights and found no gaps, add a new one
 617         if (i < MAX_DLIGHTS)
 618         {
 619                 cl.num_dlights = i + 1;
 620                 goto dlightsetup;
 621         }
 622
 623         // unable to find one
 624         return;
 625
 626 dlightsetup:
 627         //Con_Printf("dlight %i : %f %f %f : %f %f %f\n", i, org[0], org[1], org[2], red * radius, green * radius, blue * radius);
 628         memset (dl, 0, sizeof(*dl));
 629         Matrix4x4_Normalize(&dl->matrix, matrix);
 630         dl->ent = ent;
 631         Matrix4x4_OriginFromMatrix(&dl->matrix, dl->origin);
 632         CL_FindNonSolidLocation(dl->origin, dl->origin, 6);
 633         Matrix4x4_SetOrigin(&dl->matrix, dl->origin[0], dl->origin[1], dl->origin[2]);
 634         dl->radius = radius;
 635         dl->color[0] = red;
 636         dl->color[1] = green;
 637         dl->color[2] = blue;
 638         dl->decay = decay;
 639         if (lifetime)
 640                 dl->die = cl.time + lifetime;
 641         else
 642                 dl->die = 0;
 643         dl->cubemapnum = cubemapnum;
 644         dl->style = style;
 645         dl->shadow = shadowenable;
 646         dl->corona = corona;
 647         dl->flags = flags;
 648         dl->coronasizescale = coronasizescale;
 649         dl->ambientscale = ambientscale;
 650         dl->diffusescale = diffusescale;
 651         dl->specularscale = specularscale;
 652 }
 653
 654 // called before entity relinking
 655 void CL_DecayLights(void)
 656 {
 657         int i, oldmax;
 658         dlight_t *dl;
 659         float time, f;
 660
 661         time = cl.time - cl.oldtime;
 662         oldmax = cl.num_dlights;
 663         cl.num_dlights = 0;
 664         for (i = 0, dl = cl.dlights;i < oldmax;i++, dl++)
 665         {
 666                 if (dl->radius)
 667                 {
 668                         f = dl->radius - time * dl->decay;
 669                         if (cl.time < dl->die && f > 0)
 670                         {
 671                                 dl->radius = dl->radius - time * dl->decay;
 672                                 cl.num_dlights = i + 1;
 673                         }
 674                         else
 675                                 dl->radius = 0;
 676                 }
 677         }
 678 }
 679
 680 // called after entity relinking
 681 void CL_UpdateLights(void)
 682 {
 683         int i, j, k, l;
 684         dlight_t *dl;
 685         float frac, f;
 686
 687         r_refdef.numlights = 0;
 688         if (r_dynamic.integer)
 689         {
 690                 for (i = 0, dl = cl.dlights;i < cl.num_dlights;i++, dl++)
 691                 {
 692                         if (dl->radius)
 693                         {
 694                                 R_RTLight_Update(dl, false);
 695                                 r_refdef.lights[r_refdef.numlights++] = dl;
 696                         }
 697                 }
 698         }
 699
 700 // light animations
 701 // 'm' is normal light, 'a' is no light, 'z' is double bright
 702         f = cl.time * 10;
 703         i = (int)floor(f);
 704         frac = f - i;
 705         for (j = 0;j < cl.max_lightstyle;j++)
 706         {
 707                 if (!cl.lightstyle || !cl.lightstyle[j].length)
 708                 {
 709                         r_refdef.lightstylevalue[j] = 256;
 710                         continue;
 711                 }
 712                 k = i % cl.lightstyle[j].length;
 713                 l = (i-1) % cl.lightstyle[j].length;
 714                 k = cl.lightstyle[j].map[k] - 'a';
 715                 l = cl.lightstyle[j].map[l] - 'a';
 716                 r_refdef.lightstylevalue[j] = (unsigned short)(((k*frac)+(l*(1-frac)))*22);
 717         }
 718 }
 719
 720 void CL_AddQWCTFFlagModel(entity_t *player, int skin)
 721 {
 722         float f;
 723         entity_t *flag;
 724         matrix4x4_t flagmatrix;
 725
 726         // this code taken from QuakeWorld
 727         f = 14;
 728         if (player->render.frame2 >= 29 && player->render.frame2 <= 40)
 729         {
 730                 if (player->render.frame2 >= 29 && player->render.frame2 <= 34)
 731                 { //axpain
 732                         if      (player->render.frame2 == 29) f = f + 2;
 733                         else if (player->render.frame2 == 30) f = f + 8;
 734                         else if (player->render.frame2 == 31) f = f + 12;
 735                         else if (player->render.frame2 == 32) f = f + 11;
 736                         else if (player->render.frame2 == 33) f = f + 10;
 737                         else if (player->render.frame2 == 34) f = f + 4;
 738                 }
 739                 else if (player->render.frame2 >= 35 && player->render.frame2 <= 40)
 740                 { // pain
 741                         if      (player->render.frame2 == 35) f = f + 2;
 742                         else if (player->render.frame2 == 36) f = f + 10;
 743                         else if (player->render.frame2 == 37) f = f + 10;
 744                         else if (player->render.frame2 == 38) f = f + 8;
 745                         else if (player->render.frame2 == 39) f = f + 4;
 746                         else if (player->render.frame2 == 40) f = f + 2;
 747                 }
 748         }
 749         else if (player->render.frame2 >= 103 && player->render.frame2 <= 118)
 750         {
 751                 if      (player->render.frame2 >= 103 && player->render.frame2 <= 104) f = f + 6;  //nailattack
 752                 else if (player->render.frame2 >= 105 && player->render.frame2 <= 106) f = f + 6;  //light
 753                 else if (player->render.frame2 >= 107 && player->render.frame2 <= 112) f = f + 7;  //rocketattack
 754                 else if (player->render.frame2 >= 112 && player->render.frame2 <= 118) f = f + 7;  //shotattack
 755         }
 756         // end of code taken from QuakeWorld
 757
 758         flag = CL_NewTempEntity();
 759         if (!flag)
 760                 return;
 761
 762         flag->render.model = cl.model_precache[cl.qw_modelindex_flag];
 763         flag->render.skinnum = skin;
 764         flag->render.colormap = -1; // no special coloring
 765         flag->render.alpha = 1;
 766         VectorSet(flag->render.colormod, 1, 1, 1);
 767         // attach the flag to the player matrix
 768         Matrix4x4_CreateFromQuakeEntity(&flagmatrix, -f, -22, 0, 0, 0, -45, 1);
 769         Matrix4x4_Concat(&flag->render.matrix, &player->render.matrix, &flagmatrix);
 770         CL_UpdateRenderEntity(&flag->render);
 771 }
 772
 773 #define MAXVIEWMODELS 32
 774 entity_t *viewmodels[MAXVIEWMODELS];
 775 int numviewmodels;
 776
 777 matrix4x4_t viewmodelmatrix;
 778
 779 static int entitylinkframenumber;
 780
 781 static const vec3_t muzzleflashorigin = {18, 0, 0};
 782
 783 extern void V_DriftPitch(void);
 784 extern void V_FadeViewFlashs(void);
 785 extern void V_CalcViewBlend(void);
 786
 787 extern void V_CalcRefdef(void);
 788 // note this is a recursive function, but it can never get in a runaway loop (because of the delayedlink flags)
 789 void CL_UpdateNetworkEntity(entity_t *e)
 790 {
 791         matrix4x4_t *matrix, blendmatrix, tempmatrix, matrix2;
 792         //matrix4x4_t dlightmatrix;
 793         int j, k, l;
 794         effectnameindex_t trailtype;
 795         float origin[3], angles[3], delta[3], lerp, dlightcolor[3], dlightradius, v2[3], d;
 796         entity_t *t;
 797         model_t *model;
 798         trace_t trace;
 799         //entity_persistent_t *p = &e->persistent;
 800         //entity_render_t *r = &e->render;
 801         if (e->persistent.linkframe != entitylinkframenumber)
 802         {
 803                 e->persistent.linkframe = entitylinkframenumber;
 804                 // skip inactive entities and world
 805                 if (!e->state_current.active || e == cl.entities || e == cl.csqcentities)
 806                         return;
 807                 e->render.alpha = e->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 808                 e->render.scale = e->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 809                 e->render.flags = e->state_current.flags;
 810                 e->render.effects = e->state_current.effects;
 811                 VectorScale(e->state_current.colormod, (1.0f / 32.0f), e->render.colormod);
 812                 if (e->state_current.flags & RENDER_COLORMAPPED)
 813                 {
 814                         int cb;
 815                         unsigned char *cbcolor;
 816                         e->render.colormap = e->state_current.colormap;
 817                         cb = (e->render.colormap & 0xF) << 4;cb += (cb >= 128 && cb < 224) ? 4 : 12;
 818                         cbcolor = (unsigned char *) (&palette_complete[cb]);
 819                         e->render.colormap_pantscolor[0] = cbcolor[0] * (1.0f / 255.0f);
 820                         e->render.colormap_pantscolor[1] = cbcolor[1] * (1.0f / 255.0f);
 821                         e->render.colormap_pantscolor[2] = cbcolor[2] * (1.0f / 255.0f);
 822                         cb = (e->render.colormap & 0xF0);cb += (cb >= 128 && cb < 224) ? 4 : 12;
 823                         cbcolor = (unsigned char *) (&palette_complete[cb]);
 824                         e->render.colormap_shirtcolor[0] = cbcolor[0] * (1.0f / 255.0f);
 825                         e->render.colormap_shirtcolor[1] = cbcolor[1] * (1.0f / 255.0f);
 826                         e->render.colormap_shirtcolor[2] = cbcolor[2] * (1.0f / 255.0f);
 827                 }
 828                 else if (e->state_current.colormap && cl.scores != NULL)
 829                 {
 830                         int cb;
 831                         unsigned char *cbcolor;
 832                         e->render.colormap = cl.scores[e->state_current.colormap - 1].colors; // color it
 833                         cb = (e->render.colormap & 0xF) << 4;cb += (cb >= 128 && cb < 224) ? 4 : 12;
 834                         cbcolor = (unsigned char *) (&palette_complete[cb]);
 835                         e->render.colormap_pantscolor[0] = cbcolor[0] * (1.0f / 255.0f);
 836                         e->render.colormap_pantscolor[1] = cbcolor[1] * (1.0f / 255.0f);
 837                         e->render.colormap_pantscolor[2] = cbcolor[2] * (1.0f / 255.0f);
 838                         cb = (e->render.colormap & 0xF0);cb += (cb >= 128 && cb < 224) ? 4 : 12;
 839                         cbcolor = (unsigned char *) (&palette_complete[cb]);
 840                         e->render.colormap_shirtcolor[0] = cbcolor[0] * (1.0f / 255.0f);
 841                         e->render.colormap_shirtcolor[1] = cbcolor[1] * (1.0f / 255.0f);
 842                         e->render.colormap_shirtcolor[2] = cbcolor[2] * (1.0f / 255.0f);
 843                 }
 844                 else
 845                 {
 846                         e->render.colormap = -1; // no special coloring
 847                         VectorClear(e->render.colormap_pantscolor);
 848                         VectorClear(e->render.colormap_shirtcolor);
 849                 }
 850                 e->render.skinnum = e->state_current.skin;
 851                 if (e->render.flags & RENDER_VIEWMODEL && !e->state_current.tagentity)
 852                 {
 853                         if (!r_drawviewmodel.integer || chase_active.integer || r_refdef.envmap)// || csqc_loaded)
 854                                 return;
 855                         if (!e->csqc)
 856                         {
 857                                 if (cl.viewentity)
 858                                         CL_UpdateNetworkEntity(cl.entities + cl.viewentity);
 859                                 if (e == &cl.viewent && cl.entities[cl.viewentity].state_current.active)
 860                                 {
 861                                         e->state_current.alpha = cl.entities[cl.viewentity].state_current.alpha;
 862                                         e->state_current.effects = EF_NOSHADOW | (cl.entities[cl.viewentity].state_current.effects & (EF_ADDITIVE | EF_REFLECTIVE | EF_FULLBRIGHT | EF_NODEPTHTEST));
 863                                 }
 864                         }
 865                         matrix = &viewmodelmatrix;
 866                 }
 867                 else
 868                 {
 869                         // if the tag entity is currently impossible, skip it
 870                         if (!e->csqc)
 871                         {
 872                                 if (e->state_current.tagentity >= cl.num_entities)
 873                                         return;
 874                                 t = cl.entities + e->state_current.tagentity;
 875                         }
 876                         else
 877                         {
 878                                 if (e->state_current.tagentity >= cl.num_csqcentities)
 879                                         return;
 880                                 t = cl.csqcentities + e->state_current.tagentity;
 881                         }
 882                         // if the tag entity is inactive, skip it
 883                         if (!t->state_current.active)
 884                                 return;
 885                         // note: this can link to world
 886                         CL_UpdateNetworkEntity(t);
 887                         // make relative to the entity
 888                         matrix = &t->render.matrix;
 889                         // some properties of the tag entity carry over
 890                         e->render.flags |= t->render.flags & (RENDER_EXTERIORMODEL | RENDER_VIEWMODEL);
 891                         // if a valid tagindex is used, make it relative to that tag instead
 892                         // FIXME: use a model function to get tag info (need to handle skeletal)
 893                         if (e->state_current.tagentity && e->state_current.tagindex >= 1 && (model = t->render.model))
 894                         {
 895                                 // blend the matrices
 896                                 memset(&blendmatrix, 0, sizeof(blendmatrix));
 897                                 for (j = 0;j < 4 && t->render.frameblend[j].lerp > 0;j++)
 898                                 {
 899                                         matrix4x4_t tagmatrix;
 900                                         Mod_Alias_GetTagMatrix(model, t->render.frameblend[j].frame, e->state_current.tagindex - 1, &tagmatrix);
 901                                         d = t->render.frameblend[j].lerp;
 902                                         for (l = 0;l < 4;l++)
 903                                                 for (k = 0;k < 4;k++)
 904                                                         blendmatrix.m[l][k] += d * tagmatrix.m[l][k];
 905                                 }
 906                                 // concat the tag matrices onto the entity matrix
 907                                 Matrix4x4_Concat(&tempmatrix, &t->render.matrix, &blendmatrix);
 908                                 // use the constructed tag matrix
 909                                 matrix = &tempmatrix;
 910                         }
 911                 }
 912
 913                 // movement lerp
 914                 // if it's the player entity, update according to client movement
 915                 if (e == cl.entities + cl.playerentity && cl.movement_predicted)// && !e->csqc)
 916                 {
 917                         lerp = (cl.time - cl.movement_time[1]) / (cl.movement_time[0] - cl.movement_time[1]);
 918                         lerp = bound(0, lerp, 1);
 919                         VectorLerp(cl.movement_oldorigin, lerp, cl.movement_origin, origin);
 920                         VectorSet(angles, 0, cl.viewangles[1], 0);
 921                 }
 922                 else if (e->persistent.lerpdeltatime > 0 && (lerp = (cl.time - e->persistent.lerpstarttime) / e->persistent.lerpdeltatime) < 1)
 923                 {
 924                         // interpolate the origin and angles
 925                         VectorLerp(e->persistent.oldorigin, lerp, e->persistent.neworigin, origin);
 926                         VectorSubtract(e->persistent.newangles, e->persistent.oldangles, delta);
 927                         if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
 928                         if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
 929                         if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
 930                         VectorMA(e->persistent.oldangles, lerp, delta, angles);
 931                 }
 932                 else
 933                 {
 934                         // no interpolation
 935                         VectorCopy(e->persistent.neworigin, origin);
 936                         VectorCopy(e->persistent.newangles, angles);
 937                 }
 938
 939                 // model setup and some modelflags
 940                 if(e->state_current.modelindex < MAX_MODELS)
 941                         e->render.model = cl.model_precache[e->state_current.modelindex];
 942                 else
 943                         e->render.model = cl.csqc_model_precache[65536-e->state_current.modelindex];
 944                 if (e->render.model)
 945                 {
 946                         // if model is alias or this is a tenebrae-like dlight, reverse pitch direction
 947                         if (e->render.model->type == mod_alias)
 948                                 angles[0] = -angles[0];
 949                         if ((e->render.model->flags & EF_ROTATE) && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
 950                         {
 951                                 angles[1] = ANGLEMOD(100*cl.time);
 952                                 if (cl_itembobheight.value)
 953                                         origin[2] += (cos(cl.time * cl_itembobspeed.value * (2.0 * M_PI)) + 1.0) * 0.5 * cl_itembobheight.value;
 954                         }
 955                         // transfer certain model flags to effects
 956                         e->render.effects |= e->render.model->flags2 & (EF_FULLBRIGHT | EF_ADDITIVE);
 957                         if ((e->render.effects & EF_SELECTABLE) && cl.cmd.cursor_entitynumber == e->state_current.number)
 958                                 VectorScale(e->render.colormod, 2, e->render.colormod);
 959                 }
 960                 // if model is alias or this is a tenebrae-like dlight, reverse pitch direction
 961                 else if (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC)
 962                         angles[0] = -angles[0];
 963
 964                 // animation lerp
 965                 if (e->render.frame2 == e->state_current.frame)
 966                 {
 967                         // update frame lerp fraction
 968                         e->render.framelerp = 1;
 969                         if (e->render.frame2time > e->render.frame1time)
 970                         {
 971                                 // make sure frame lerp won't last longer than 100ms
 972                                 // (this mainly helps with models that use framegroups and
 973                                 // switch between them infrequently)
 974                                 e->render.framelerp = (cl.time - e->render.frame2time) / min(e->render.frame2time - e->render.frame1time, 0.1);
 975                                 e->render.framelerp = bound(0, e->render.framelerp, 1);
 976                         }
 977                 }
 978                 else
 979                 {
 980                         // begin a new frame lerp
 981                         e->render.frame1 = e->render.frame2;
 982                         e->render.frame1time = e->render.frame2time;
 983                         e->render.frame = e->render.frame2 = e->state_current.frame;
 984                         e->render.frame2time = cl.time;
 985                         e->render.framelerp = 0;
 986                 }
 987
 988                 // set up the render matrix
 989                 // FIXME: e->render.scale should go away
 990                 Matrix4x4_CreateFromQuakeEntity(&matrix2, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
 991                 // concat the matrices to make the entity relative to its tag
 992                 Matrix4x4_Concat(&e->render.matrix, matrix, &matrix2);
 993                 // make the other useful stuff
 994                 CL_UpdateRenderEntity(&e->render);
 995
 996                 // handle effects now that we know where this entity is in the world...
 997                 if (e->render.model && e->render.model->soundfromcenter)
 998                 {
 999                         // bmodels are treated specially since their origin is usually '0 0 0'
1000                         vec3_t o;
1001                         VectorMAM(0.5f, e->render.model->normalmins, 0.5f, e->render.model->normalmaxs, o);
1002                         Matrix4x4_Transform(&e->render.matrix, o, origin);
1003                 }
1004                 else
1005                         Matrix4x4_OriginFromMatrix(&e->render.matrix, origin);
1006                 trailtype = EFFECT_NONE;
1007                 dlightradius = 0;
1008                 dlightcolor[0] = 0;
1009                 dlightcolor[1] = 0;
1010                 dlightcolor[2] = 0;
1011                 // LordHavoc: if the entity has no effects, don't check each
1012                 if (e->render.effects)
1013                 {
1014                         if (e->render.effects & EF_BRIGHTFIELD)
1015                         {
1016                                 if (gamemode == GAME_NEXUIZ)
1017                                         trailtype = EFFECT_TR_NEXUIZPLASMA;
1018                                 else
1019                                         CL_EntityParticles(e);
1020                         }
1021                         if (e->render.effects & EF_MUZZLEFLASH)
1022                                 e->persistent.muzzleflash = 1.0f;
1023                         if (e->render.effects & EF_DIMLIGHT)
1024                         {
1025                                 dlightradius = max(dlightradius, 200);
1026                                 dlightcolor[0] += 1.50f;
1027                                 dlightcolor[1] += 1.50f;
1028                                 dlightcolor[2] += 1.50f;
1029                         }
1030                         if (e->render.effects & EF_BRIGHTLIGHT)
1031                         {
1032                                 dlightradius = max(dlightradius, 400);
1033                                 dlightcolor[0] += 3.00f;
1034                                 dlightcolor[1] += 3.00f;
1035                                 dlightcolor[2] += 3.00f;
1036                         }
1037                         // LordHavoc: more effects
1038                         if (e->render.effects & EF_RED) // red
1039                         {
1040                                 dlightradius = max(dlightradius, 200);
1041                                 dlightcolor[0] += 1.50f;
1042                                 dlightcolor[1] += 0.15f;
1043                                 dlightcolor[2] += 0.15f;
1044                         }
1045                         if (e->render.effects & EF_BLUE) // blue
1046                         {
1047                                 dlightradius = max(dlightradius, 200);
1048                                 dlightcolor[0] += 0.15f;
1049                                 dlightcolor[1] += 0.15f;
1050                                 dlightcolor[2] += 1.50f;
1051                         }
1052                         if (e->render.effects & EF_FLAME)
1053                                 CL_ParticleEffect(EFFECT_EF_FLAME, cl.time - cl.oldtime, origin, origin, vec3_origin, vec3_origin, NULL, 0);
1054                         if (e->render.effects & EF_STARDUST)
1055                                 CL_ParticleEffect(EFFECT_EF_STARDUST, cl.time - cl.oldtime, origin, origin, vec3_origin, vec3_origin, NULL, 0);
1056                         if (e->render.effects & (EF_FLAG1QW | EF_FLAG2QW))
1057                         {
1058                                 // these are only set on player entities
1059                                 CL_AddQWCTFFlagModel(e, (e->render.effects & EF_FLAG2QW) != 0);
1060                         }
1061                 }
1062                 // muzzleflash fades over time, and is offset a bit
1063                 if (e->persistent.muzzleflash > 0)
1064                 {
1065                         Matrix4x4_Transform(&e->render.matrix, muzzleflashorigin, v2);
1066                         trace = CL_TraceBox(origin, vec3_origin, vec3_origin, v2, true, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_SKY, false);
1067                         tempmatrix = e->render.matrix;
1068                         Matrix4x4_SetOrigin(&tempmatrix, trace.endpos[0], trace.endpos[1], trace.endpos[2]);
1069                         CL_AllocDlight(NULL, &tempmatrix, 100, e->persistent.muzzleflash, e->persistent.muzzleflash, e->persistent.muzzleflash, 0, 0, 0, -1, true, 0, 0.25, 0.25, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1070                         e->persistent.muzzleflash -= (cl.time - cl.oldtime) * 10;
1071                 }
1072                 // LordHavoc: if the model has no flags, don't check each
1073                 if (e->render.model && e->render.model->flags && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
1074                 {
1075                         if (e->render.model->flags & EF_GIB)
1076                                 trailtype = EFFECT_TR_BLOOD;
1077                         else if (e->render.model->flags & EF_ZOMGIB)
1078                                 trailtype = EFFECT_TR_SLIGHTBLOOD;
1079                         else if (e->render.model->flags & EF_TRACER)
1080                                 trailtype = EFFECT_TR_WIZSPIKE;
1081                         else if (e->render.model->flags & EF_TRACER2)
1082                                 trailtype = EFFECT_TR_KNIGHTSPIKE;
1083                         else if (e->render.model->flags & EF_ROCKET)
1084                                 trailtype = EFFECT_TR_ROCKET;
1085                         else if (e->render.model->flags & EF_GRENADE)
1086                         {
1087                                 // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
1088                                 trailtype = e->render.alpha == -1 ? EFFECT_TR_NEHAHRASMOKE : EFFECT_TR_GRENADE;
1089                         }
1090                         else if (e->render.model->flags & EF_TRACER3)
1091                                 trailtype = EFFECT_TR_VORESPIKE;
1092                 }
1093                 // LordHavoc: customizable glow
1094                 if (e->state_current.glowsize)
1095                 {
1096                         // * 4 for the expansion from 0-255 to 0-1023 range,
1097                         // / 255 to scale down byte colors
1098                         dlightradius = max(dlightradius, e->state_current.glowsize * 4);
1099                         VectorMA(dlightcolor, (1.0f / 255.0f), (unsigned char *)&palette_complete[e->state_current.glowcolor], dlightcolor);
1100                 }
1101                 // make the glow dlight
1102                 if (dlightradius > 0 && (dlightcolor[0] || dlightcolor[1] || dlightcolor[2]) && !(e->render.flags & RENDER_VIEWMODEL))
1103                 {
1104                         //dlightmatrix = e->render.matrix;
1105                         // hack to make glowing player light shine on their gun
1106                         //if (e->state_current.number == cl.viewentity/* && !chase_active.integer*/)
1107                         //      Matrix4x4_AdjustOrigin(&dlightmatrix, 0, 0, 30);
1108                         CL_AllocDlight(&e->render, &e->render.matrix, dlightradius, dlightcolor[0], dlightcolor[1], dlightcolor[2], 0, 0, 0, -1, true, 1, 0.25, 0.25, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1109                 }
1110                 // custom rtlight
1111                 if (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC)
1112                 {
1113                         float light[4];
1114                         VectorScale(e->state_current.light, (1.0f / 256.0f), light);
1115                         light[3] = e->state_current.light[3];
1116                         if (light[0] == 0 && light[1] == 0 && light[2] == 0)
1117                                 VectorSet(light, 1, 1, 1);
1118                         if (light[3] == 0)
1119                                 light[3] = 350;
1120                         // FIXME: add ambient/diffuse/specular scales as an extension ontop of TENEBRAE_GFX_DLIGHTS?
1121                         CL_AllocDlight(&e->render, &e->render.matrix, light[3], light[0], light[1], light[2], 0, 0, e->state_current.skin, e->state_current.lightstyle, !(e->state_current.lightpflags & PFLAGS_NOSHADOW), (e->state_current.lightpflags & PFLAGS_CORONA) != 0, 0.25, 0, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1122                 }
1123                 // do trails
1124                 if (e->render.flags & RENDER_GLOWTRAIL)
1125                         trailtype = EFFECT_TR_GLOWTRAIL;
1126                 if (trailtype)
1127                 {
1128                         float len;
1129                         vec3_t vel;
1130                         VectorSubtract(e->state_current.origin, e->state_previous.origin, vel);
1131                         len = e->state_current.time - e->state_previous.time;
1132                         if (len > 0)
1133                                 len = 1.0f / len;
1134                         VectorScale(vel, len, vel);
1135                         CL_ParticleEffect(trailtype, 1, e->persistent.trail_origin, origin, vel, vel, e, e->state_current.glowcolor);
1136                 }
1137                 VectorCopy(origin, e->persistent.trail_origin);
1138                 // tenebrae's sprites are all additive mode (weird)
1139                 if (gamemode == GAME_TENEBRAE && e->render.model && e->render.model->type == mod_sprite)
1140                         e->render.effects |= EF_ADDITIVE;
1141                 // player model is only shown with chase_active on
1142                 if (!e->csqc)
1143                 if (e->state_current.number == cl.viewentity)
1144                         e->render.flags |= RENDER_EXTERIORMODEL;
1145                 // transparent stuff can't be lit during the opaque stage
1146                 if (e->render.effects & (EF_ADDITIVE | EF_NODEPTHTEST) || e->render.alpha < 1)
1147                         e->render.flags |= RENDER_TRANSPARENT;
1148                 // double sided rendering mode causes backfaces to be visible
1149                 // (mostly useful on transparent stuff)
1150                 if (e->render.effects & EF_DOUBLESIDED)
1151                         e->render.flags |= RENDER_NOCULLFACE;
1152                 // either fullbright or lit
1153                 if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
1154                         e->render.flags |= RENDER_LIGHT;
1155                 // hide player shadow during intermission or nehahra movie
1156                 if (!(e->render.effects & EF_NOSHADOW)
1157                  && !(e->render.flags & (RENDER_VIEWMODEL | RENDER_TRANSPARENT))
1158                  && (!(e->render.flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
1159                         e->render.flags |= RENDER_SHADOW;
1160                 if (e->render.model && e->render.model->name[0] == '*' && e->render.model->TraceBox)
1161                         cl.brushmodel_entities[cl.num_brushmodel_entities++] = e->state_current.number;
1162                 // because the player may be attached to another entity, V_CalcRefdef must be deferred until here...
1163                 if (e->state_current.number == cl.viewentity)
1164                         V_CalcRefdef();
1165         }
1166 }
1167
1168
1169 /*
1170 ===============
1171 CL_UpdateEntities
1172 ===============
1173 */
1174 static void CL_UpdateEntities(void)
1175 {
1176         entity_t *ent;
1177         int i;
1178
1179         ent = &cl.viewent;
1180         ent->state_previous = ent->state_current;
1181         ent->state_current = defaultstate;
1182         ent->state_current.time = cl.time;
1183         ent->state_current.number = -1;
1184         ent->state_current.active = true;
1185         ent->state_current.modelindex = cl.stats[STAT_WEAPON];
1186         ent->state_current.frame = cl.stats[STAT_WEAPONFRAME];
1187         ent->state_current.flags = RENDER_VIEWMODEL;
1188         if ((cl.stats[STAT_HEALTH] <= 0 && cl_deathnoviewmodel.integer) || cl.intermission)
1189                 ent->state_current.modelindex = 0;
1190         else if (cl.stats[STAT_ITEMS] & IT_INVISIBILITY)
1191         {
1192                 if (gamemode == GAME_TRANSFUSION)
1193                         ent->state_current.alpha = 128;
1194                 else
1195                         ent->state_current.modelindex = 0;
1196         }
1197
1198         // reset animation interpolation on weaponmodel if model changed
1199         if (ent->state_previous.modelindex != ent->state_current.modelindex)
1200         {
1201                 ent->render.frame = ent->render.frame1 = ent->render.frame2 = ent->state_current.frame;
1202                 ent->render.frame1time = ent->render.frame2time = cl.time;
1203                 ent->render.framelerp = 1;
1204         }
1205
1206         // start on the entity after the world
1207         entitylinkframenumber++;
1208         for (i = 1;i < cl.num_entities;i++)
1209         {
1210                 if (cl.entities_active[i])
1211                 {
1212                         ent = cl.entities + i;
1213                         if (ent->state_current.active)
1214                                 CL_UpdateNetworkEntity(ent);
1215                         else
1216                                 cl.entities_active[i] = false;
1217                 }
1218         }
1219         CL_UpdateNetworkEntity(&cl.viewent);
1220 }
1221
1222 // note this is a recursive function, but it can never get in a runaway loop (because of the delayedlink flags)
1223 void CL_LinkNetworkEntity(entity_t *e)
1224 {
1225         entity_t *t;
1226         if (e->persistent.linkframe != entitylinkframenumber)
1227         {
1228                 e->persistent.linkframe = entitylinkframenumber;
1229                 // skip inactive entities and world
1230                 if (!e->state_current.active || e == cl.entities || e == cl.csqcentities)
1231                         return;
1232                 if (e->render.flags & RENDER_VIEWMODEL && !e->state_current.tagentity)
1233                 {
1234                         if (!r_drawviewmodel.integer || chase_active.integer || r_refdef.envmap)
1235                                 return;
1236                         if (!e->csqc)
1237                         if (cl.viewentity)
1238                                 CL_LinkNetworkEntity(cl.entities + cl.viewentity);
1239                 }
1240                 else
1241                 {
1242                         // if the tag entity is currently impossible, skip it
1243                         if (!e->csqc)
1244                         {
1245                                 if (e->state_current.tagentity >= cl.num_entities)
1246                                         return;
1247                                 t = cl.entities + e->state_current.tagentity;
1248                         }
1249                         else
1250                         {
1251                                 if (e->state_current.tagentity >= cl.num_csqcentities)
1252                                         return;
1253                                 t = cl.csqcentities + e->state_current.tagentity;
1254                         }
1255                         // if the tag entity is inactive, skip it
1256                         if (!t->state_current.active)
1257                                 return;
1258                         // note: this can link to world
1259                         CL_LinkNetworkEntity(t);
1260                 }
1261
1262                 // don't show entities with no modelindex (note: this still shows
1263                 // entities which have a modelindex that resolved to a NULL model)
1264                 if (e->render.model && !(e->render.effects & EF_NODRAW) && r_refdef.numentities < r_refdef.maxentities)
1265                         r_refdef.entities[r_refdef.numentities++] = &e->render;
1266                 //if (cl.viewentity && e->state_current.number == cl.viewentity)
1267                 //      Matrix4x4_Print(&e->render.matrix);
1268         }
1269 }
1270
1271 void CL_RelinkWorld(void)
1272 {
1273         entity_t *ent = &cl.entities[0];
1274         cl.brushmodel_entities[cl.num_brushmodel_entities++] = 0;
1275         // FIXME: this should be done at load
1276         ent->render.matrix = identitymatrix;
1277         CL_UpdateRenderEntity(&ent->render);
1278         ent->render.flags = RENDER_SHADOW;
1279         if (!r_fullbright.integer)
1280                 ent->render.flags |= RENDER_LIGHT;
1281         VectorSet(ent->render.colormod, 1, 1, 1);
1282         r_refdef.worldentity = &ent->render;
1283         r_refdef.worldmodel = cl.worldmodel;
1284 }
1285
1286 static void CL_RelinkStaticEntities(void)
1287 {
1288         int i;
1289         entity_t *e;
1290         for (i = 0, e = cl.static_entities;i < cl.num_static_entities && r_refdef.numentities < r_refdef.maxentities;i++, e++)
1291         {
1292                 e->render.flags = 0;
1293                 // transparent stuff can't be lit during the opaque stage
1294                 if (e->render.effects & (EF_ADDITIVE | EF_NODEPTHTEST) || e->render.alpha < 1)
1295                         e->render.flags |= RENDER_TRANSPARENT;
1296                 // either fullbright or lit
1297                 if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
1298                         e->render.flags |= RENDER_LIGHT;
1299                 // hide player shadow during intermission or nehahra movie
1300                 if (!(e->render.effects & EF_NOSHADOW) && !(e->render.flags & RENDER_TRANSPARENT))
1301                         e->render.flags |= RENDER_SHADOW;
1302                 VectorSet(e->render.colormod, 1, 1, 1);
1303                 R_LerpAnimation(&e->render);
1304                 r_refdef.entities[r_refdef.numentities++] = &e->render;
1305         }
1306 }
1307
1308 /*
1309 ===============
1310 CL_RelinkEntities
1311 ===============
1312 */
1313 static void CL_RelinkNetworkEntities(void)
1314 {
1315         entity_t *ent;
1316         int i;
1317
1318         // start on the entity after the world
1319         for (i = 1;i < cl.num_entities;i++)
1320         {
1321                 if (cl.entities_active[i])
1322                 {
1323                         ent = cl.entities + i;
1324                         if (ent->state_current.active)
1325                                 CL_LinkNetworkEntity(ent);
1326                         else
1327                                 cl.entities_active[i] = false;
1328                 }
1329         }
1330 }
1331
1332 static void CL_RelinkEffects(void)
1333 {
1334         int i, intframe;
1335         cl_effect_t *e;
1336         entity_t *ent;
1337         float frame;
1338
1339         for (i = 0, e = cl.effects;i < cl.num_effects;i++, e++)
1340         {
1341                 if (e->active)
1342                 {
1343                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
1344                         intframe = (int)frame;
1345                         if (intframe < 0 || intframe >= e->endframe)
1346                         {
1347                                 memset(e, 0, sizeof(*e));
1348                                 while (cl.num_effects > 0 && !cl.effects[cl.num_effects - 1].active)
1349                                         cl.num_effects--;
1350                                 continue;
1351                         }
1352
1353                         if (intframe != e->frame)
1354                         {
1355                                 e->frame = intframe;
1356                                 e->frame1time = e->frame2time;
1357                                 e->frame2time = cl.time;
1358                         }
1359
1360                         // if we're drawing effects, get a new temp entity
1361                         // (NewTempEntity adds it to the render entities list for us)
1362                         if (r_draweffects.integer && (ent = CL_NewTempEntity()))
1363                         {
1364                                 // interpolation stuff
1365                                 ent->render.frame1 = intframe;
1366                                 ent->render.frame2 = intframe + 1;
1367                                 if (ent->render.frame2 >= e->endframe)
1368                                         ent->render.frame2 = -1; // disappear
1369                                 ent->render.framelerp = frame - intframe;
1370                                 ent->render.frame1time = e->frame1time;
1371                                 ent->render.frame2time = e->frame2time;
1372
1373                                 // normal stuff
1374                                 if(e->modelindex < MAX_MODELS)
1375                                         ent->render.model = cl.model_precache[e->modelindex];
1376                                 else
1377                                         ent->render.model = cl.csqc_model_precache[65536-e->modelindex];
1378                                 ent->render.frame = ent->render.frame2;
1379                                 ent->render.colormap = -1; // no special coloring
1380                                 ent->render.alpha = 1;
1381                                 VectorSet(ent->render.colormod, 1, 1, 1);
1382
1383                                 Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, e->origin[0], e->origin[1], e->origin[2], 0, 0, 0, 1);
1384                                 CL_UpdateRenderEntity(&ent->render);
1385                         }
1386                 }
1387         }
1388 }
1389
1390 void CL_Beam_CalculatePositions(const beam_t *b, vec3_t start, vec3_t end)
1391 {
1392         VectorCopy(b->start, start);
1393         VectorCopy(b->end, end);
1394
1395         // if coming from the player, update the start position
1396         if (b->entity == cl.viewentity)
1397         {
1398                 if (cl_beams_quakepositionhack.integer && !chase_active.integer)
1399                 {
1400                         // LordHavoc: this is a stupid hack from Quake that makes your
1401                         // lightning appear to come from your waist and cover less of your
1402                         // view
1403                         // in Quake this hack was applied to all players (causing the
1404                         // infamous crotch-lightning), but in darkplaces and QuakeWorld it
1405                         // only applies to your own lightning, and only in first person
1406                         Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, start);
1407                 }
1408                 if (cl_beams_instantaimhack.integer)
1409                 {
1410                         vec3_t dir, localend;
1411                         vec_t len;
1412                         // LordHavoc: this updates the beam direction to match your
1413                         // viewangles
1414                         VectorSubtract(end, start, dir);
1415                         len = VectorLength(dir);
1416                         VectorNormalize(dir);
1417                         VectorSet(localend, len, 0, 0);
1418                         Matrix4x4_Transform(&r_view.matrix, localend, end);
1419                 }
1420         }
1421 }
1422
1423 void CL_RelinkBeams(void)
1424 {
1425         int i;
1426         beam_t *b;
1427         vec3_t dist, org, start, end;
1428         float d;
1429         entity_t *ent;
1430         float yaw, pitch;
1431         float forward;
1432         matrix4x4_t tempmatrix;
1433
1434         for (i = 0, b = cl.beams;i < cl.num_beams;i++, b++)
1435         {
1436                 if (!b->model)
1437                         continue;
1438                 if (b->endtime < cl.time)
1439                 {
1440                         b->model = NULL;
1441                         continue;
1442                 }
1443
1444                 CL_Beam_CalculatePositions(b, start, end);
1445
1446                 if (b->lightning)
1447                 {
1448                         if (cl_beams_lightatend.integer)
1449                         {
1450                                 // FIXME: create a matrix from the beam start/end orientation
1451                                 Matrix4x4_CreateTranslate(&tempmatrix, end[0], end[1], end[2]);
1452                                 CL_AllocDlight (NULL, &tempmatrix, 200, 0.3, 0.7, 1, 0, 0, 0, -1, true, 1, 0.25, 1, 0, 0, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1453                         }
1454                         if (cl_beams_polygons.integer)
1455                                 continue;
1456                 }
1457
1458                 // calculate pitch and yaw
1459                 // (this is similar to the QuakeC builtin function vectoangles)
1460                 VectorSubtract(end, start, dist);
1461                 if (dist[1] == 0 && dist[0] == 0)
1462                 {
1463                         yaw = 0;
1464                         if (dist[2] > 0)
1465                                 pitch = 90;
1466                         else
1467                                 pitch = 270;
1468                 }
1469                 else
1470                 {
1471                         yaw = (int) (atan2(dist[1], dist[0]) * 180 / M_PI);
1472                         if (yaw < 0)
1473                                 yaw += 360;
1474
1475                         forward = sqrt (dist[0]*dist[0] + dist[1]*dist[1]);
1476                         pitch = (int) (atan2(dist[2], forward) * 180 / M_PI);
1477                         if (pitch < 0)
1478                                 pitch += 360;
1479                 }
1480
1481                 // add new entities for the lightning
1482                 VectorCopy (start, org);
1483                 d = VectorNormalizeLength(dist);
1484                 while (d > 0)
1485                 {
1486                         ent = CL_NewTempEntity ();
1487                         if (!ent)
1488                                 return;
1489                         //VectorCopy (org, ent->render.origin);
1490                         ent->render.model = b->model;
1491                         //ent->render.effects = EF_FULLBRIGHT;
1492                         //ent->render.angles[0] = pitch;
1493                         //ent->render.angles[1] = yaw;
1494                         //ent->render.angles[2] = rand()%360;
1495                         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, org[0], org[1], org[2], -pitch, yaw, lhrandom(0, 360), 1);
1496                         CL_UpdateRenderEntity(&ent->render);
1497                         VectorMA(org, 30, dist, org);
1498                         d -= 30;
1499                 }
1500         }
1501
1502         while (cl.num_beams > 0 && !cl.beams[cl.num_beams - 1].model)
1503                 cl.num_beams--;
1504 }
1505
1506 static void CL_RelinkQWNails(void)
1507 {
1508         int i;
1509         vec_t *v;
1510         entity_t *ent;
1511
1512         for (i = 0;i < cl.qw_num_nails;i++)
1513         {
1514                 v = cl.qw_nails[i];
1515
1516                 // if we're drawing effects, get a new temp entity
1517                 // (NewTempEntity adds it to the render entities list for us)
1518                 if (!(ent = CL_NewTempEntity()))
1519                         continue;
1520
1521                 // normal stuff
1522                 ent->render.model = cl.model_precache[cl.qw_modelindex_spike];
1523                 ent->render.colormap = -1; // no special coloring
1524                 ent->render.alpha = 1;
1525                 VectorSet(ent->render.colormod, 1, 1, 1);
1526
1527                 Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, v[0], v[1], v[2], v[3], v[4], v[5], 1);
1528                 CL_UpdateRenderEntity(&ent->render);
1529         }
1530 }
1531
1532 void CL_LerpPlayer(float frac)
1533 {
1534         int i;
1535
1536         cl.viewzoom = cl.mviewzoom[1] + frac * (cl.mviewzoom[0] - cl.mviewzoom[1]);
1537         for (i = 0;i < 3;i++)
1538         {
1539                 cl.punchangle[i] = cl.mpunchangle[1][i] + frac * (cl.mpunchangle[0][i] - cl.mpunchangle[1][i]);
1540                 cl.punchvector[i] = cl.mpunchvector[1][i] + frac * (cl.mpunchvector[0][i] - cl.mpunchvector[1][i]);
1541                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
1542         }
1543 }
1544
1545 void CSQC_RelinkAllEntities (int drawmask)
1546 {
1547         // process network entities (note: this sets up the view!)
1548         cl.num_brushmodel_entities = 0;
1549         CL_UpdateEntities();
1550
1551         entitylinkframenumber++;
1552         // link stuff
1553         CL_RelinkWorld();
1554         CL_RelinkStaticEntities();
1555         CL_RelinkBeams();
1556         CL_RelinkEffects();
1557
1558         // link stuff
1559         if (drawmask & ENTMASK_ENGINE)
1560         {
1561                 CL_RelinkNetworkEntities();
1562                 CL_RelinkQWNails();
1563         }
1564
1565         if (drawmask & ENTMASK_ENGINEVIEWMODELS)
1566                 CL_LinkNetworkEntity(&cl.viewent); // link gun model
1567
1568         // update view blend
1569         V_CalcViewBlend();
1570 }
1571
1572 /*
1573 ===============
1574 CL_ReadFromServer
1575
1576 Read all incoming data from the server
1577 ===============
1578 */
1579 extern void CL_ClientMovement_Replay(void);
1580 extern void CL_StairSmoothing(void);//view.c
1581
1582 int CL_ReadFromServer(void)
1583 {
1584         CL_ReadDemoMessage();
1585         CL_SendMove();
1586
1587         r_refdef.time = cl.time;
1588         r_refdef.extraupdate = !r_speeds.integer;
1589         r_refdef.numentities = 0;
1590         r_view.matrix = identitymatrix;
1591
1592         if (cls.state == ca_connected && cls.signon == SIGNONS)
1593         {
1594                 // prepare for a new frame
1595                 CL_LerpPlayer(CL_LerpPoint());
1596                 CL_DecayLights();
1597                 CL_ClearTempEntities();
1598                 V_DriftPitch();
1599                 V_FadeViewFlashs();
1600
1601                 // move particles
1602                 CL_MoveParticles();
1603                 R_MoveExplosions();
1604
1605                 // predict current player location
1606                 CL_ClientMovement_Replay();
1607
1608                 // now that the player entity has been updated we can call V_CalcRefdef
1609                 V_CalcRefdef();
1610
1611                 if(!csqc_loaded)        //[515]: csqc
1612                 {
1613                         // process network entities (note: this sets up the view!)
1614                         cl.num_brushmodel_entities = 0;
1615                         CL_UpdateEntities();
1616
1617                         entitylinkframenumber++;
1618                         // link stuff
1619                         CL_RelinkWorld();
1620                         CL_RelinkStaticEntities();
1621                         CL_RelinkBeams();
1622                         CL_RelinkEffects();
1623
1624                         CL_RelinkNetworkEntities();
1625                         CL_LinkNetworkEntity(&cl.viewent); // link gun model
1626                         CL_RelinkQWNails();
1627
1628                         // update view blend
1629                         V_CalcViewBlend();
1630                 }
1631                 else
1632                         csqc_frame = true;
1633
1634                 CL_UpdateLights();
1635                 CL_StairSmoothing();
1636
1637                 // update the r_refdef time again because cl.time may have changed
1638                 r_refdef.time = cl.time;
1639         }
1640
1641         return 0;
1642 }
1643
1644 // LordHavoc: pausedemo command
1645 static void CL_PauseDemo_f (void)
1646 {
1647         cls.demopaused = !cls.demopaused;
1648         if (cls.demopaused)
1649                 Con_Print("Demo paused\n");
1650         else
1651                 Con_Print("Demo unpaused\n");
1652 }
1653
1654 /*
1655 ======================
1656 CL_Fog_f
1657 ======================
1658 */
1659 static void CL_Fog_f (void)
1660 {
1661         if (Cmd_Argc () == 1)
1662         {
1663                 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);
1664                 return;
1665         }
1666         r_refdef.fog_density = atof(Cmd_Argv(1));
1667         r_refdef.fog_red = atof(Cmd_Argv(2));
1668         r_refdef.fog_green = atof(Cmd_Argv(3));
1669         r_refdef.fog_blue = atof(Cmd_Argv(4));
1670 }
1671
1672 /*
1673 ====================
1674 CL_TimeRefresh_f
1675
1676 For program optimization
1677 ====================
1678 */
1679 static void CL_TimeRefresh_f (void)
1680 {
1681         int i;
1682         float timestart, timedelta, oldangles[3];
1683
1684         r_refdef.extraupdate = false;
1685         VectorCopy(cl.viewangles, oldangles);
1686         VectorClear(cl.viewangles);
1687
1688         timestart = Sys_DoubleTime();
1689         for (i = 0;i < 128;i++)
1690         {
1691                 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);
1692                 CL_UpdateScreen();
1693         }
1694         timedelta = Sys_DoubleTime() - timestart;
1695
1696         VectorCopy(oldangles, cl.viewangles);
1697         Con_Printf("%f seconds (%f fps)\n", timedelta, 128/timedelta);
1698 }
1699
1700 /*
1701 ===========
1702 CL_Shutdown
1703 ===========
1704 */
1705 void CL_Shutdown (void)
1706 {
1707         CL_Particles_Shutdown();
1708         CL_Parse_Shutdown();
1709
1710         Mem_FreePool (&cls.permanentmempool);
1711         Mem_FreePool (&cls.levelmempool);
1712 }
1713
1714 /*
1715 =================
1716 CL_Init
1717 =================
1718 */
1719 void CL_Init (void)
1720 {
1721         cls.levelmempool = Mem_AllocPool("client (per-level memory)", 0, NULL);
1722         cls.permanentmempool = Mem_AllocPool("client (long term memory)", 0, NULL);
1723
1724         memset(&r_refdef, 0, sizeof(r_refdef));
1725         // max entities sent to renderer per frame
1726         r_refdef.maxentities = MAX_EDICTS + 256 + 512;
1727         r_refdef.entities = (entity_render_t **)Mem_Alloc(cls.permanentmempool, sizeof(entity_render_t *) * r_refdef.maxentities);
1728
1729         CL_InitInput ();
1730
1731 //
1732 // register our commands
1733 //
1734         Cvar_RegisterVariable (&cl_upspeed);
1735         Cvar_RegisterVariable (&cl_forwardspeed);
1736         Cvar_RegisterVariable (&cl_backspeed);
1737         Cvar_RegisterVariable (&cl_sidespeed);
1738         Cvar_RegisterVariable (&cl_movespeedkey);
1739         Cvar_RegisterVariable (&cl_yawspeed);
1740         Cvar_RegisterVariable (&cl_pitchspeed);
1741         Cvar_RegisterVariable (&cl_anglespeedkey);
1742         Cvar_RegisterVariable (&cl_shownet);
1743         Cvar_RegisterVariable (&cl_nolerp);
1744         Cvar_RegisterVariable (&lookspring);
1745         Cvar_RegisterVariable (&lookstrafe);
1746         Cvar_RegisterVariable (&sensitivity);
1747         Cvar_RegisterVariable (&freelook);
1748
1749         Cvar_RegisterVariable (&m_pitch);
1750         Cvar_RegisterVariable (&m_yaw);
1751         Cvar_RegisterVariable (&m_forward);
1752         Cvar_RegisterVariable (&m_side);
1753
1754         Cvar_RegisterVariable (&cl_itembobspeed);
1755         Cvar_RegisterVariable (&cl_itembobheight);
1756
1757         Cmd_AddCommand ("entities", CL_PrintEntities_f, "print information on network entities known to client");
1758         Cmd_AddCommand ("disconnect", CL_Disconnect_f, "disconnect from server (or disconnect all clients if running a server)");
1759         Cmd_AddCommand ("record", CL_Record_f, "record a demo");
1760         Cmd_AddCommand ("stop", CL_Stop_f, "stop recording or playing a demo");
1761         Cmd_AddCommand ("playdemo", CL_PlayDemo_f, "watch a demo file");
1762         Cmd_AddCommand ("timedemo", CL_TimeDemo_f, "play back a demo as fast as possible and save statistics to benchmark.log");
1763
1764 #ifdef AUTODEMO_BROKEN
1765         Cvar_RegisterVariable (&cl_autodemo);
1766         Cvar_RegisterVariable (&cl_autodemo_nameformat);
1767 #endif
1768
1769         Cmd_AddCommand ("fog", CL_Fog_f, "set global fog parameters (density red green blue)");
1770
1771         // LordHavoc: added pausedemo
1772         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)");
1773
1774         Cvar_RegisterVariable(&r_draweffects);
1775         Cvar_RegisterVariable(&cl_explosions_alpha_start);
1776         Cvar_RegisterVariable(&cl_explosions_alpha_end);
1777         Cvar_RegisterVariable(&cl_explosions_size_start);
1778         Cvar_RegisterVariable(&cl_explosions_size_end);
1779         Cvar_RegisterVariable(&cl_explosions_lifetime);
1780         Cvar_RegisterVariable(&cl_stainmaps);
1781         Cvar_RegisterVariable(&cl_stainmaps_clearonload);
1782         Cvar_RegisterVariable(&cl_beams_polygons);
1783         Cvar_RegisterVariable(&cl_beams_quakepositionhack);
1784         Cvar_RegisterVariable(&cl_beams_instantaimhack);
1785         Cvar_RegisterVariable(&cl_beams_lightatend);
1786         Cvar_RegisterVariable(&cl_noplayershadow);
1787
1788         Cvar_RegisterVariable(&cl_prydoncursor);
1789
1790         Cvar_RegisterVariable(&cl_deathnoviewmodel);
1791
1792         // for QW connections
1793         Cvar_RegisterVariable(&qport);
1794         Cvar_SetValueQuick(&qport, (rand() * RAND_MAX + rand()) & 0xffff);
1795
1796         Cmd_AddCommand("timerefresh", CL_TimeRefresh_f, "turn quickly and print rendering statistcs");
1797
1798         CL_Parse_Init();
1799         CL_Particles_Init();
1800         CL_Screen_Init();
1801
1802         CL_Video_Init();
1803 }
1804
1805
1806