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
  27 // we need to declare some mouse variables here, because the menu system
  28 // references them even when on a unix system.
  29
  30 cvar_t cl_shownet = {0, "cl_shownet","0"};
  31 cvar_t cl_nolerp = {0, "cl_nolerp", "0"};
  32
  33 cvar_t cl_itembobheight = {0, "cl_itembobheight", "0"}; // try 8
  34 cvar_t cl_itembobspeed = {0, "cl_itembobspeed", "0.5"};
  35
  36 cvar_t lookspring = {CVAR_SAVE, "lookspring","0"};
  37 cvar_t lookstrafe = {CVAR_SAVE, "lookstrafe","0"};
  38 cvar_t sensitivity = {CVAR_SAVE, "sensitivity","3", 1, 30};
  39
  40 cvar_t m_pitch = {CVAR_SAVE, "m_pitch","0.022"};
  41 cvar_t m_yaw = {CVAR_SAVE, "m_yaw","0.022"};
  42 cvar_t m_forward = {CVAR_SAVE, "m_forward","1"};
  43 cvar_t m_side = {CVAR_SAVE, "m_side","0.8"};
  44
  45 cvar_t freelook = {CVAR_SAVE, "freelook", "1"};
  46
  47 cvar_t r_draweffects = {0, "r_draweffects", "1"};
  48
  49 cvar_t cl_explosions_alpha_start = {CVAR_SAVE, "cl_explosions_alpha_start", "1.5"};
  50 cvar_t cl_explosions_alpha_end = {CVAR_SAVE, "cl_explosions_alpha_end", "0"};
  51 cvar_t cl_explosions_size_start = {CVAR_SAVE, "cl_explosions_size_start", "16"};
  52 cvar_t cl_explosions_size_end = {CVAR_SAVE, "cl_explosions_size_end", "128"};
  53 cvar_t cl_explosions_lifetime = {CVAR_SAVE, "cl_explosions_lifetime", "0.5"};
  54
  55 cvar_t cl_stainmaps = {CVAR_SAVE, "cl_stainmaps", "1"};
  56 cvar_t cl_stainmaps_clearonload = {CVAR_SAVE, "cl_stainmaps_clearonload", "1"};
  57
  58 cvar_t cl_beams_polygons = {CVAR_SAVE, "cl_beams_polygons", "1"};
  59 cvar_t cl_beams_relative = {CVAR_SAVE, "cl_beams_relative", "1"};
  60 cvar_t cl_beams_lightatend = {CVAR_SAVE, "cl_beams_lightatend", "0"};
  61
  62 cvar_t cl_noplayershadow = {CVAR_SAVE, "cl_noplayershadow", "0"};
  63
  64 cvar_t cl_prydoncursor = {0, "cl_prydoncursor", "0"};
  65
  66 cvar_t cl_deathnoviewmodel = {0, "cl_deathnoviewmodel", "1"};
  67
  68 vec3_t cl_playerstandmins;
  69 vec3_t cl_playerstandmaxs;
  70 vec3_t cl_playercrouchmins;
  71 vec3_t cl_playercrouchmaxs;
  72
  73 mempool_t *cl_mempool;
  74
  75 client_static_t cls;
  76 client_state_t  cl;
  77
  78 int cl_max_entities;
  79 int cl_max_static_entities;
  80 int cl_max_temp_entities;
  81 int cl_max_effects;
  82 int cl_max_beams;
  83 int cl_max_dlights;
  84 int cl_max_lightstyle;
  85 int cl_max_brushmodel_entities;
  86
  87 entity_t *cl_entities;
  88 qbyte *cl_entities_active;
  89 entity_t *cl_static_entities;
  90 entity_t *cl_temp_entities;
  91 cl_effect_t *cl_effects;
  92 beam_t *cl_beams;
  93 dlight_t *cl_dlights;
  94 lightstyle_t *cl_lightstyle;
  95 int *cl_brushmodel_entities;
  96
  97 int cl_num_entities;
  98 int cl_num_static_entities;
  99 int cl_num_temp_entities;
 100 int cl_num_brushmodel_entities;
 101
 102 /*
 103 =====================
 104 CL_ClearState
 105
 106 =====================
 107 */
 108 void CL_ClearState(void)
 109 {
 110         int i;
 111
 112         if (cl_entities) Mem_Free(cl_entities);cl_entities = NULL;
 113         if (cl_entities_active) Mem_Free(cl_entities_active);cl_entities_active = NULL;
 114         if (cl_static_entities) Mem_Free(cl_static_entities);cl_static_entities = NULL;
 115         if (cl_temp_entities) Mem_Free(cl_temp_entities);cl_temp_entities = NULL;
 116         if (cl_effects) Mem_Free(cl_effects);cl_effects = NULL;
 117         if (cl_beams) Mem_Free(cl_beams);cl_beams = NULL;
 118         if (cl_dlights) Mem_Free(cl_dlights);cl_dlights = NULL;
 119         if (cl_lightstyle) Mem_Free(cl_lightstyle);cl_lightstyle = NULL;
 120         if (cl_brushmodel_entities) Mem_Free(cl_brushmodel_entities);cl_brushmodel_entities = NULL;
 121         if (cl.entitydatabase) EntityFrame_FreeDatabase(cl.entitydatabase);cl.entitydatabase = NULL;
 122         if (cl.entitydatabase4) EntityFrame4_FreeDatabase(cl.entitydatabase4);cl.entitydatabase4 = NULL;
 123         if (cl.scores) Mem_Free(cl.scores);cl.scores = NULL;
 124
 125         if (!sv.active)
 126                 Host_ClearMemory ();
 127
 128 // wipe the entire cl structure
 129         memset (&cl, 0, sizeof(cl));
 130         // reset the view zoom interpolation
 131         cl.mviewzoom[0] = cl.mviewzoom[1] = 1;
 132
 133         SZ_Clear (&cls.message);
 134
 135         cl_num_entities = 0;
 136         cl_num_static_entities = 0;
 137         cl_num_temp_entities = 0;
 138         cl_num_brushmodel_entities = 0;
 139
 140         // tweak these if the game runs out
 141         cl_max_entities = 256;
 142         cl_max_static_entities = 256;
 143         cl_max_temp_entities = 512;
 144         cl_max_effects = 256;
 145         cl_max_beams = 256;
 146         cl_max_dlights = MAX_DLIGHTS;
 147         cl_max_lightstyle = MAX_LIGHTSTYLES;
 148         cl_max_brushmodel_entities = MAX_EDICTS;
 149
 150         cl_entities = Mem_Alloc(cl_mempool, cl_max_entities * sizeof(entity_t));
 151         cl_entities_active = Mem_Alloc(cl_mempool, cl_max_brushmodel_entities * sizeof(qbyte));
 152         cl_static_entities = Mem_Alloc(cl_mempool, cl_max_static_entities * sizeof(entity_t));
 153         cl_temp_entities = Mem_Alloc(cl_mempool, cl_max_temp_entities * sizeof(entity_t));
 154         cl_effects = Mem_Alloc(cl_mempool, cl_max_effects * sizeof(cl_effect_t));
 155         cl_beams = Mem_Alloc(cl_mempool, cl_max_beams * sizeof(beam_t));
 156         cl_dlights = Mem_Alloc(cl_mempool, cl_max_dlights * sizeof(dlight_t));
 157         cl_lightstyle = Mem_Alloc(cl_mempool, cl_max_lightstyle * sizeof(lightstyle_t));
 158         cl_brushmodel_entities = Mem_Alloc(cl_mempool, cl_max_brushmodel_entities * sizeof(int));
 159
 160         // LordHavoc: have to set up the baseline info for alpha and other stuff
 161         for (i = 0;i < cl_max_entities;i++)
 162         {
 163                 cl_entities[i].state_baseline = defaultstate;
 164                 cl_entities[i].state_previous = defaultstate;
 165                 cl_entities[i].state_current = defaultstate;
 166         }
 167
 168         if (gamemode == GAME_NEXUIZ)
 169         {
 170                 VectorSet(cl_playerstandmins, -16, -16, -24);
 171                 VectorSet(cl_playerstandmaxs, 16, 16, 45);
 172                 VectorSet(cl_playercrouchmins, -16, -16, -24);
 173                 VectorSet(cl_playercrouchmaxs, 16, 16, 25);
 174         }
 175         else
 176         {
 177                 VectorSet(cl_playerstandmins, -16, -16, -24);
 178                 VectorSet(cl_playerstandmaxs, 16, 16, 24);
 179                 VectorSet(cl_playercrouchmins, -16, -16, -24);
 180                 VectorSet(cl_playercrouchmaxs, 16, 16, 24);
 181         }
 182
 183         CL_Screen_NewMap();
 184         CL_Particles_Clear();
 185         CL_CGVM_Clear();
 186 }
 187
 188 void CL_ExpandEntities(int num)
 189 {
 190         int i, oldmaxentities;
 191         entity_t *oldentities;
 192         if (num >= cl_max_entities)
 193         {
 194                 if (!cl_entities)
 195                         Sys_Error("CL_ExpandEntities: cl_entities not initialized\n");
 196                 if (num >= MAX_EDICTS)
 197                         Host_Error("CL_ExpandEntities: num %i >= %i\n", num, MAX_EDICTS);
 198                 oldmaxentities = cl_max_entities;
 199                 oldentities = cl_entities;
 200                 cl_max_entities = (num & ~255) + 256;
 201                 cl_entities = Mem_Alloc(cl_mempool, cl_max_entities * sizeof(entity_t));
 202                 memcpy(cl_entities, oldentities, oldmaxentities * sizeof(entity_t));
 203                 Mem_Free(oldentities);
 204                 for (i = oldmaxentities;i < cl_max_entities;i++)
 205                 {
 206                         cl_entities[i].state_baseline = defaultstate;
 207                         cl_entities[i].state_previous = defaultstate;
 208                         cl_entities[i].state_current = defaultstate;
 209                 }
 210         }
 211 }
 212
 213 /*
 214 =====================
 215 CL_Disconnect
 216
 217 Sends a disconnect message to the server
 218 This is also called on Host_Error, so it shouldn't cause any errors
 219 =====================
 220 */
 221 void CL_Disconnect(void)
 222 {
 223         if (cls.state == ca_dedicated)
 224                 return;
 225
 226         Con_DPrintf("CL_Disconnect\n");
 227
 228 // stop sounds (especially looping!)
 229         S_StopAllSounds ();
 230
 231         // clear contents blends
 232         cl.cshifts[0].percent = 0;
 233         cl.cshifts[1].percent = 0;
 234         cl.cshifts[2].percent = 0;
 235         cl.cshifts[3].percent = 0;
 236
 237         cl.worldmodel = NULL;
 238
 239         if (cls.demoplayback)
 240                 CL_StopPlayback();
 241         else if (cls.netcon)
 242         {
 243                 if (cls.demorecording)
 244                         CL_Stop_f();
 245
 246                 Con_DPrint("Sending clc_disconnect\n");
 247                 SZ_Clear(&cls.message);
 248                 MSG_WriteByte(&cls.message, clc_disconnect);
 249                 NetConn_SendUnreliableMessage(cls.netcon, &cls.message);
 250                 SZ_Clear(&cls.message);
 251                 NetConn_Close(cls.netcon);
 252                 cls.netcon = NULL;
 253         }
 254         cls.state = ca_disconnected;
 255
 256         cls.demoplayback = cls.timedemo = false;
 257         cls.signon = 0;
 258 }
 259
 260 void CL_Disconnect_f(void)
 261 {
 262         CL_Disconnect ();
 263         if (sv.active)
 264                 Host_ShutdownServer (false);
 265 }
 266
 267
 268
 269
 270 /*
 271 =====================
 272 CL_EstablishConnection
 273
 274 Host should be either "local" or a net address
 275 =====================
 276 */
 277 void CL_EstablishConnection(const char *host)
 278 {
 279         if (cls.state == ca_dedicated)
 280                 return;
 281
 282         // clear menu's connect error message
 283         M_Update_Return_Reason("");
 284         cls.demonum = -1;
 285
 286         // stop demo loop in case this fails
 287         CL_Disconnect();
 288         NetConn_ClientFrame();
 289         NetConn_ServerFrame();
 290
 291         if (LHNETADDRESS_FromString(&cls.connect_address, host, 26000) && (cls.connect_mysocket = NetConn_ChooseClientSocketForAddress(&cls.connect_address)))
 292         {
 293                 cls.connect_trying = true;
 294                 cls.connect_remainingtries = 3;
 295                 cls.connect_nextsendtime = 0;
 296                 M_Update_Return_Reason("Trying to connect...");
 297                 if (sv.active)
 298                 {
 299                         NetConn_ClientFrame();
 300                         NetConn_ServerFrame();
 301                         NetConn_ClientFrame();
 302                         NetConn_ServerFrame();
 303                         NetConn_ClientFrame();
 304                         NetConn_ServerFrame();
 305                         NetConn_ClientFrame();
 306                         NetConn_ServerFrame();
 307                 }
 308         }
 309         else
 310         {
 311                 Con_Print("Unable to find a suitable network socket to connect to server.\n");
 312                 M_Update_Return_Reason("No network");
 313         }
 314 }
 315
 316 /*
 317 ==============
 318 CL_PrintEntities_f
 319 ==============
 320 */
 321 static void CL_PrintEntities_f(void)
 322 {
 323         entity_t *ent;
 324         int i, j;
 325         char name[32];
 326
 327         for (i = 0, ent = cl_entities;i < cl_num_entities;i++, ent++)
 328         {
 329                 if (!ent->state_current.active)
 330                         continue;
 331
 332                 if (ent->render.model)
 333                         strlcpy (name, ent->render.model->name, 25);
 334                 else
 335                         strcpy(name, "--no model--");
 336                 for (j = (int)strlen(name);j < 25;j++)
 337                         name[j] = ' ';
 338                 Con_Printf("%3i: %s:%4i (%5i %5i %5i) [%3i %3i %3i] %4.2f %5.3f\n", i, name, ent->render.frame, (int) ent->render.origin[0], (int) ent->render.origin[1], (int) ent->render.origin[2], (int) ent->render.angles[0] % 360, (int) ent->render.angles[1] % 360, (int) ent->render.angles[2] % 360, ent->render.scale, ent->render.alpha);
 339         }
 340 }
 341
 342 //static const vec3_t nomodelmins = {-16, -16, -16};
 343 //static const vec3_t nomodelmaxs = {16, 16, 16};
 344 void CL_BoundingBoxForEntity(entity_render_t *ent)
 345 {
 346         if (ent->model)
 347         {
 348                 //if (ent->angles[0] || ent->angles[2])
 349                 if (ent->matrix.m[2][0] != 0 || ent->matrix.m[2][1] != 0)
 350                 {
 351                         // pitch or roll
 352                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->rotatedmins[0];
 353                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->rotatedmins[1];
 354                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->rotatedmins[2];
 355                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->rotatedmaxs[0];
 356                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->rotatedmaxs[1];
 357                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->rotatedmaxs[2];
 358                         //VectorAdd(ent->origin, ent->model->rotatedmins, ent->mins);
 359                         //VectorAdd(ent->origin, ent->model->rotatedmaxs, ent->maxs);
 360                 }
 361                 //else if (ent->angles[1])
 362                 else if (ent->matrix.m[0][1] != 0 || ent->matrix.m[1][0] != 0)
 363                 {
 364                         // yaw
 365                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->yawmins[0];
 366                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->yawmins[1];
 367                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->yawmins[2];
 368                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->yawmaxs[0];
 369                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->yawmaxs[1];
 370                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->yawmaxs[2];
 371                         //VectorAdd(ent->origin, ent->model->yawmins, ent->mins);
 372                         //VectorAdd(ent->origin, ent->model->yawmaxs, ent->maxs);
 373                 }
 374                 else
 375                 {
 376                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->normalmins[0];
 377                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->normalmins[1];
 378                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->normalmins[2];
 379                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->normalmaxs[0];
 380                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->normalmaxs[1];
 381                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->normalmaxs[2];
 382                         //VectorAdd(ent->origin, ent->model->normalmins, ent->mins);
 383                         //VectorAdd(ent->origin, ent->model->normalmaxs, ent->maxs);
 384                 }
 385         }
 386         else
 387         {
 388                 ent->mins[0] = ent->matrix.m[0][3] - 16;
 389                 ent->mins[1] = ent->matrix.m[1][3] - 16;
 390                 ent->mins[2] = ent->matrix.m[2][3] - 16;
 391                 ent->maxs[0] = ent->matrix.m[0][3] + 16;
 392                 ent->maxs[1] = ent->matrix.m[1][3] + 16;
 393                 ent->maxs[2] = ent->matrix.m[2][3] + 16;
 394                 //VectorAdd(ent->origin, nomodelmins, ent->mins);
 395                 //VectorAdd(ent->origin, nomodelmaxs, ent->maxs);
 396         }
 397 }
 398
 399 /*
 400 ===============
 401 CL_LerpPoint
 402
 403 Determines the fraction between the last two messages that the objects
 404 should be put at.
 405 ===============
 406 */
 407 static float CL_LerpPoint(void)
 408 {
 409         float f;
 410
 411         // dropped packet, or start of demo
 412         if (cl.mtime[1] < cl.mtime[0] - 0.1)
 413                 cl.mtime[1] = cl.mtime[0] - 0.1;
 414
 415         cl.time = bound(cl.mtime[1], cl.time, cl.mtime[0]);
 416
 417         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 418         f = cl.mtime[0] - cl.mtime[1];
 419         if (!f || cl_nolerp.integer || cls.timedemo || cl.islocalgame)
 420         {
 421                 cl.time = cl.mtime[0];
 422                 return 1;
 423         }
 424
 425         f = (cl.time - cl.mtime[1]) / f;
 426         return bound(0, f, 1);
 427 }
 428
 429 void CL_ClearTempEntities (void)
 430 {
 431         cl_num_temp_entities = 0;
 432 }
 433
 434 entity_t *CL_NewTempEntity(void)
 435 {
 436         entity_t *ent;
 437
 438         if (r_refdef.numentities >= r_refdef.maxentities)
 439                 return NULL;
 440         if (cl_num_temp_entities >= cl_max_temp_entities)
 441                 return NULL;
 442         ent = &cl_temp_entities[cl_num_temp_entities++];
 443         memset (ent, 0, sizeof(*ent));
 444         r_refdef.entities[r_refdef.numentities++] = &ent->render;
 445
 446         ent->render.colormap = -1; // no special coloring
 447         ent->render.scale = 1;
 448         ent->render.alpha = 1;
 449         VectorSet(ent->render.colormod, 1, 1, 1);
 450         return ent;
 451 }
 452
 453 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
 454 {
 455         int i;
 456         cl_effect_t *e;
 457         if (!modelindex) // sanity check
 458                 return;
 459         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
 460         {
 461                 if (e->active)
 462                         continue;
 463                 e->active = true;
 464                 VectorCopy(org, e->origin);
 465                 e->modelindex = modelindex;
 466                 e->starttime = cl.time;
 467                 e->startframe = startframe;
 468                 e->endframe = startframe + framecount;
 469                 e->framerate = framerate;
 470
 471                 e->frame = 0;
 472                 e->frame1time = cl.time;
 473                 e->frame2time = cl.time;
 474                 break;
 475         }
 476 }
 477
 478 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)
 479 {
 480         int i;
 481         dlight_t *dl;
 482
 483         /*
 484 // first look for an exact key match
 485         if (ent)
 486         {
 487                 dl = cl_dlights;
 488                 for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 489                         if (dl->ent == ent)
 490                                 goto dlightsetup;
 491         }
 492         */
 493
 494 // then look for anything else
 495         dl = cl_dlights;
 496         for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 497                 if (!dl->radius)
 498                         goto dlightsetup;
 499
 500         // unable to find one
 501         return;
 502
 503 dlightsetup:
 504         //Con_Printf("dlight %i : %f %f %f : %f %f %f\n", i, org[0], org[1], org[2], red * radius, green * radius, blue * radius);
 505         memset (dl, 0, sizeof(*dl));
 506         dl->matrix = *matrix;
 507         dl->ent = ent;
 508         dl->origin[0] = dl->matrix.m[0][3];
 509         dl->origin[1] = dl->matrix.m[1][3];
 510         dl->origin[2] = dl->matrix.m[2][3];
 511         CL_FindNonSolidLocation(dl->origin, dl->origin, 6);
 512         dl->matrix.m[0][3] = dl->origin[0];
 513         dl->matrix.m[1][3] = dl->origin[1];
 514         dl->matrix.m[2][3] = dl->origin[2];
 515         dl->radius = radius;
 516         dl->color[0] = red;
 517         dl->color[1] = green;
 518         dl->color[2] = blue;
 519         dl->decay = decay;
 520         if (lifetime)
 521                 dl->die = cl.time + lifetime;
 522         else
 523                 dl->die = 0;
 524         dl->cubemapnum = cubemapnum;
 525         dl->style = style;
 526         dl->shadow = shadowenable;
 527         dl->corona = corona;
 528         dl->flags = flags;
 529         dl->coronasizescale = coronasizescale;
 530         dl->ambientscale = ambientscale;
 531         dl->diffusescale = diffusescale;
 532         dl->specularscale = specularscale;
 533 }
 534
 535 void CL_DecayLights(void)
 536 {
 537         int i;
 538         dlight_t *dl;
 539         float time;
 540
 541         time = cl.time - cl.oldtime;
 542         for (i = 0, dl = cl_dlights;i < MAX_DLIGHTS;i++, dl++)
 543                 if (dl->radius)
 544                         dl->radius = (cl.time < dl->die) ? max(0, dl->radius - time * dl->decay) : 0;
 545 }
 546
 547 #define MAXVIEWMODELS 32
 548 entity_t *viewmodels[MAXVIEWMODELS];
 549 int numviewmodels;
 550
 551 matrix4x4_t viewmodelmatrix;
 552
 553 static int entitylinkframenumber;
 554
 555 static const vec3_t muzzleflashorigin = {18, 0, 0};
 556
 557 extern void V_DriftPitch(void);
 558 extern void V_FadeViewFlashs(void);
 559 extern void V_CalcViewBlend(void);
 560
 561 extern void V_CalcRefdef(void);
 562 // note this is a recursive function, but it can never get in a runaway loop (because of the delayedlink flags)
 563 void CL_LinkNetworkEntity(entity_t *e)
 564 {
 565         matrix4x4_t *matrix, blendmatrix, tempmatrix, matrix2;
 566         //matrix4x4_t dlightmatrix;
 567         int j, k, l, trailtype, temp;
 568         float origin[3], angles[3], delta[3], lerp, dlightcolor[3], dlightradius, mins[3], maxs[3], v2[3], d;
 569         entity_t *t;
 570         model_t *model;
 571         trace_t trace;
 572         //entity_persistent_t *p = &e->persistent;
 573         //entity_render_t *r = &e->render;
 574         if (e->persistent.linkframe != entitylinkframenumber)
 575         {
 576                 e->persistent.linkframe = entitylinkframenumber;
 577                 // skip inactive entities and world
 578                 if (!e->state_current.active || e == cl_entities)
 579                         return;
 580                 e->render.alpha = e->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 581                 e->render.scale = e->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 582                 e->render.flags = e->state_current.flags;
 583                 e->render.effects = e->state_current.effects;
 584                 if (e->state_current.flags & RENDER_COLORMAPPED)
 585                         e->render.colormap = e->state_current.colormap;
 586                 else if (cl.scores != NULL && e->state_current.colormap)
 587                         e->render.colormap = cl.scores[e->state_current.colormap - 1].colors; // color it
 588                 else
 589                         e->render.colormap = -1; // no special coloring
 590                 e->render.skinnum = e->state_current.skin;
 591                 VectorScale(e->state_current.colormod, (1.0f / 32.0f), e->render.colormod);
 592                 if (e->render.flags & RENDER_VIEWMODEL && !e->state_current.tagentity)
 593                 {
 594                         if (!r_drawviewmodel.integer || chase_active.integer || envmap)
 595                                 return;
 596                         if (cl.viewentity)
 597                                 CL_LinkNetworkEntity(cl_entities + cl.viewentity);
 598                         matrix = &viewmodelmatrix;
 599                         if (e == &cl.viewent && cl_entities[cl.viewentity].state_current.active)
 600                         {
 601                                 e->state_current.alpha = cl_entities[cl.viewentity].state_current.alpha;
 602                                 e->state_current.effects = EF_NOSHADOW | (cl_entities[cl.viewentity].state_current.effects & (EF_ADDITIVE | EF_REFLECTIVE | EF_FULLBRIGHT | EF_NODEPTHTEST));
 603                         }
 604                 }
 605                 else
 606                 {
 607                         // if the tag entity is currently impossible, skip it
 608                         if (e->state_current.tagentity >= cl_num_entities)
 609                                 return;
 610                         t = cl_entities + e->state_current.tagentity;
 611                         // if the tag entity is inactive, skip it
 612                         if (!t->state_current.active)
 613                                 return;
 614                         // note: this can link to world
 615                         CL_LinkNetworkEntity(t);
 616                         // make relative to the entity
 617                         matrix = &t->render.matrix;
 618                         // some properties of the tag entity carry over
 619                         e->render.flags |= t->render.flags & (RENDER_EXTERIORMODEL | RENDER_VIEWMODEL);
 620                         // if a valid tagindex is used, make it relative to that tag instead
 621                         // FIXME: use a model function to get tag info (need to handle skeletal)
 622                         if (e->state_current.tagentity && e->state_current.tagindex >= 1 && (model = t->render.model))
 623                         {
 624                                 // blend the matrices
 625                                 memset(&blendmatrix, 0, sizeof(blendmatrix));
 626                                 for (j = 0;j < 4 && t->render.frameblend[j].lerp > 0;j++)
 627                                 {
 628                                         matrix4x4_t tagmatrix;
 629                                         Mod_Alias_GetTagMatrix(model, t->render.frameblend[j].frame, e->state_current.tagindex - 1, &tagmatrix);
 630                                         d = t->render.frameblend[j].lerp;
 631                                         for (l = 0;l < 4;l++)
 632                                                 for (k = 0;k < 4;k++)
 633                                                         blendmatrix.m[l][k] += d * tagmatrix.m[l][k];
 634                                 }
 635                                 // concat the tag matrices onto the entity matrix
 636                                 Matrix4x4_Concat(&tempmatrix, &t->render.matrix, &blendmatrix);
 637                                 // use the constructed tag matrix
 638                                 matrix = &tempmatrix;
 639                         }
 640                 }
 641
 642                 // movement lerp
 643                 // if it's the player entity, update according to client movement
 644                 if (e == cl_entities + cl.playerentity && cl.movement)
 645                 {
 646                         lerp = (cl.time - cl.mtime[1]) / (cl.mtime[0] - cl.mtime[1]);
 647                         lerp = bound(0, lerp, 1);
 648                         VectorLerp(cl.movement_oldorigin, lerp, cl.movement_origin, origin);
 649                         VectorSet(angles, 0, cl.viewangles[1], 0);
 650                 }
 651                 else if (e->persistent.lerpdeltatime > 0 && (lerp = (cl.time - e->persistent.lerpstarttime) / e->persistent.lerpdeltatime) < 1)
 652                 {
 653                         // interpolate the origin and angles
 654                         VectorLerp(e->persistent.oldorigin, lerp, e->persistent.neworigin, origin);
 655                         VectorSubtract(e->persistent.newangles, e->persistent.oldangles, delta);
 656                         if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
 657                         if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
 658                         if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
 659                         VectorMA(e->persistent.oldangles, lerp, delta, angles);
 660                 }
 661                 else
 662                 {
 663                         // no interpolation
 664                         VectorCopy(e->persistent.neworigin, origin);
 665                         VectorCopy(e->persistent.newangles, angles);
 666                 }
 667
 668                 // model setup and some modelflags
 669                 e->render.model = cl.model_precache[e->state_current.modelindex];
 670                 if (e->render.model)
 671                 {
 672                         Mod_CheckLoaded(e->render.model);
 673                         // if model is alias or this is a tenebrae-like dlight, reverse pitch direction
 674                         if (e->render.model->type == mod_alias || (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC))
 675                                 angles[0] = -angles[0];
 676                         if ((e->render.model->flags & EF_ROTATE) && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
 677                         {
 678                                 angles[1] = ANGLEMOD(100*cl.time);
 679                                 if (cl_itembobheight.value)
 680                                         origin[2] += (cos(cl.time * cl_itembobspeed.value * (2.0 * M_PI)) + 1.0) * 0.5 * cl_itembobheight.value;
 681                         }
 682                         // transfer certain model flags to effects
 683                         e->render.effects |= e->render.model->flags2 & (EF_FULLBRIGHT | EF_ADDITIVE);
 684                         if (cl_prydoncursor.integer && (e->render.effects & EF_SELECTABLE) && cl.cmd.cursor_entitynumber == e->state_current.number)
 685                                 VectorScale(e->render.colormod, 2, e->render.colormod);
 686                 }
 687
 688                 // animation lerp
 689                 if (e->render.frame2 == e->state_current.frame)
 690                 {
 691                         // update frame lerp fraction
 692                         e->render.framelerp = 1;
 693                         if (e->render.frame2time > e->render.frame1time)
 694                         {
 695                                 // make sure frame lerp won't last longer than 100ms
 696                                 // (this mainly helps with models that use framegroups and
 697                                 // switch between them infrequently)
 698                                 e->render.framelerp = (cl.time - e->render.frame2time) / min(e->render.frame2time - e->render.frame1time, 0.1);
 699                                 e->render.framelerp = bound(0, e->render.framelerp, 1);
 700                         }
 701                 }
 702                 else
 703                 {
 704                         // begin a new frame lerp
 705                         e->render.frame1 = e->render.frame2;
 706                         e->render.frame1time = e->render.frame2time;
 707                         e->render.frame = e->render.frame2 = e->state_current.frame;
 708                         e->render.frame2time = cl.time;
 709                         e->render.framelerp = 0;
 710                 }
 711                 R_LerpAnimation(&e->render);
 712
 713                 // set up the render matrix
 714                 // FIXME: e->render.scale should go away
 715                 Matrix4x4_CreateFromQuakeEntity(&matrix2, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
 716                 // concat the matrices to make the entity relative to its tag
 717                 Matrix4x4_Concat(&e->render.matrix, matrix, &matrix2);
 718                 // make the other useful stuff
 719                 Matrix4x4_Invert_Simple(&e->render.inversematrix, &e->render.matrix);
 720                 CL_BoundingBoxForEntity(&e->render);
 721
 722                 // handle effects now that we know where this entity is in the world...
 723                 if (e->render.model && e->render.model->soundfromcenter)
 724                 {
 725                         // bmodels are treated specially since their origin is usually '0 0 0'
 726                         vec3_t o;
 727                         VectorMAM(0.5f, e->render.model->normalmins, 0.5f, e->render.model->normalmaxs, o);
 728                         Matrix4x4_Transform(&e->render.matrix, o, origin);
 729                 }
 730                 else
 731                 {
 732                         origin[0] = e->render.matrix.m[0][3];
 733                         origin[1] = e->render.matrix.m[1][3];
 734                         origin[2] = e->render.matrix.m[2][3];
 735                 }
 736                 trailtype = -1;
 737                 dlightradius = 0;
 738                 dlightcolor[0] = 0;
 739                 dlightcolor[1] = 0;
 740                 dlightcolor[2] = 0;
 741                 // LordHavoc: if the entity has no effects, don't check each
 742                 if (e->render.effects)
 743                 {
 744                         if (e->render.effects & EF_BRIGHTFIELD)
 745                         {
 746                                 if (gamemode == GAME_NEXUIZ)
 747                                 {
 748                                         dlightradius = max(dlightradius, 200);
 749                                         dlightcolor[0] += 0.75f;
 750                                         dlightcolor[1] += 1.50f;
 751                                         dlightcolor[2] += 3.00f;
 752                                         trailtype = 8;
 753                                 }
 754                                 else
 755                                         CL_EntityParticles(e);
 756                         }
 757                         if (e->render.effects & EF_MUZZLEFLASH)
 758                                 e->persistent.muzzleflash = 1.0f;
 759                         if (e->render.effects & EF_DIMLIGHT)
 760                         {
 761                                 dlightradius = max(dlightradius, 200);
 762                                 dlightcolor[0] += 1.50f;
 763                                 dlightcolor[1] += 1.50f;
 764                                 dlightcolor[2] += 1.50f;
 765                         }
 766                         if (e->render.effects & EF_BRIGHTLIGHT)
 767                         {
 768                                 dlightradius = max(dlightradius, 400);
 769                                 dlightcolor[0] += 3.00f;
 770                                 dlightcolor[1] += 3.00f;
 771                                 dlightcolor[2] += 3.00f;
 772                         }
 773                         // LordHavoc: more effects
 774                         if (e->render.effects & EF_RED) // red
 775                         {
 776                                 dlightradius = max(dlightradius, 200);
 777                                 dlightcolor[0] += 1.50f;
 778                                 dlightcolor[1] += 0.15f;
 779                                 dlightcolor[2] += 0.15f;
 780                         }
 781                         if (e->render.effects & EF_BLUE) // blue
 782                         {
 783                                 dlightradius = max(dlightradius, 200);
 784                                 dlightcolor[0] += 0.15f;
 785                                 dlightcolor[1] += 0.15f;
 786                                 dlightcolor[2] += 1.50f;
 787                         }
 788                         if (e->render.effects & EF_FLAME)
 789                         {
 790                                 mins[0] = origin[0] - 16.0f;
 791                                 mins[1] = origin[1] - 16.0f;
 792                                 mins[2] = origin[2] - 16.0f;
 793                                 maxs[0] = origin[0] + 16.0f;
 794                                 maxs[1] = origin[1] + 16.0f;
 795                                 maxs[2] = origin[2] + 16.0f;
 796                                 // how many flames to make
 797                                 temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
 798                                 CL_FlameCube(mins, maxs, temp);
 799                                 d = lhrandom(0.75f, 1);
 800                                 dlightradius = max(dlightradius, 200);
 801                                 dlightcolor[0] += d * 2.0f;
 802                                 dlightcolor[1] += d * 1.5f;
 803                                 dlightcolor[2] += d * 0.5f;
 804                         }
 805                         if (e->render.effects & EF_STARDUST)
 806                         {
 807                                 mins[0] = origin[0] - 16.0f;
 808                                 mins[1] = origin[1] - 16.0f;
 809                                 mins[2] = origin[2] - 16.0f;
 810                                 maxs[0] = origin[0] + 16.0f;
 811                                 maxs[1] = origin[1] + 16.0f;
 812                                 maxs[2] = origin[2] + 16.0f;
 813                                 // how many particles to make
 814                                 temp = (int) (cl.time * 200) - (int) (cl.oldtime * 200);
 815                                 CL_Stardust(mins, maxs, temp);
 816                                 dlightradius = max(dlightradius, 200);
 817                                 dlightcolor[0] += 1.0f;
 818                                 dlightcolor[1] += 0.7f;
 819                                 dlightcolor[2] += 0.3f;
 820                         }
 821                 }
 822                 // muzzleflash fades over time, and is offset a bit
 823                 if (e->persistent.muzzleflash > 0)
 824                 {
 825                         Matrix4x4_Transform(&e->render.matrix, muzzleflashorigin, v2);
 826                         trace = CL_TraceBox(origin, vec3_origin, vec3_origin, v2, true, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_SKY, false);
 827                         tempmatrix = e->render.matrix;
 828                         tempmatrix.m[0][3] = trace.endpos[0];
 829                         tempmatrix.m[1][3] = trace.endpos[1];
 830                         tempmatrix.m[2][3] = trace.endpos[2];
 831                         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);
 832                         e->persistent.muzzleflash -= cl.frametime * 10;
 833                 }
 834                 // LordHavoc: if the model has no flags, don't check each
 835                 if (e->render.model && e->render.model->flags && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
 836                 {
 837                         if (e->render.model->flags & EF_GIB)
 838                                 trailtype = 2;
 839                         else if (e->render.model->flags & EF_ZOMGIB)
 840                                 trailtype = 4;
 841                         else if (e->render.model->flags & EF_TRACER)
 842                         {
 843                                 trailtype = 3;
 844                                 dlightradius = max(dlightradius, 100);
 845                                 dlightcolor[0] += 0.25f;
 846                                 dlightcolor[1] += 1.00f;
 847                                 dlightcolor[2] += 0.25f;
 848                         }
 849                         else if (e->render.model->flags & EF_TRACER2)
 850                         {
 851                                 trailtype = 5;
 852                                 dlightradius = max(dlightradius, 100);
 853                                 dlightcolor[0] += 1.00f;
 854                                 dlightcolor[1] += 0.60f;
 855                                 dlightcolor[2] += 0.20f;
 856                         }
 857                         else if (e->render.model->flags & EF_ROCKET)
 858                         {
 859                                 trailtype = 0;
 860                                 dlightradius = max(dlightradius, 200);
 861                                 dlightcolor[0] += 3.00f;
 862                                 dlightcolor[1] += 1.50f;
 863                                 dlightcolor[2] += 0.50f;
 864                         }
 865                         else if (e->render.model->flags & EF_GRENADE)
 866                         {
 867                                 // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
 868                                 trailtype = e->render.alpha == -1 ? 7 : 1;
 869                         }
 870                         else if (e->render.model->flags & EF_TRACER3)
 871                         {
 872                                 trailtype = 6;
 873                                 if (gamemode == GAME_PRYDON)
 874                                 {
 875                                         dlightradius = max(dlightradius, 100);
 876                                         dlightcolor[0] += 0.30f;
 877                                         dlightcolor[1] += 0.60f;
 878                                         dlightcolor[2] += 1.20f;
 879                                 }
 880                                 else
 881                                 {
 882                                         dlightradius = max(dlightradius, 200);
 883                                         dlightcolor[0] += 1.20f;
 884                                         dlightcolor[1] += 0.50f;
 885                                         dlightcolor[2] += 1.00f;
 886                                 }
 887                         }
 888                 }
 889                 // LordHavoc: customizable glow
 890                 if (e->state_current.glowsize)
 891                 {
 892                         // * 4 for the expansion from 0-255 to 0-1023 range,
 893                         // / 255 to scale down byte colors
 894                         dlightradius = max(dlightradius, e->state_current.glowsize * 4);
 895                         VectorMA(dlightcolor, (1.0f / 255.0f), (qbyte *)&palette_complete[e->state_current.glowcolor], dlightcolor);
 896                 }
 897                 // make the glow dlight
 898                 if (dlightradius > 0 && (dlightcolor[0] || dlightcolor[1] || dlightcolor[2]) && !(e->render.flags & RENDER_VIEWMODEL))
 899                 {
 900                         //dlightmatrix = e->render.matrix;
 901                         // hack to make glowing player light shine on their gun
 902                         //if (e->state_current.number == cl.viewentity/* && !chase_active.integer*/)
 903                         //      dlightmatrix.m[2][3] += 30;
 904                         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);
 905                 }
 906                 // custom rtlight
 907                 if (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC)
 908                 {
 909                         float light[4];
 910                         VectorScale(e->state_current.light, (1.0f / 256.0f), light);
 911                         light[3] = e->state_current.light[3];
 912                         if (light[0] == 0 && light[1] == 0 && light[2] == 0)
 913                                 VectorSet(light, 1, 1, 1);
 914                         if (light[3] == 0)
 915                                 light[3] = 350;
 916                         // FIXME: add ambient/diffuse/specular scales as an extension ontop of TENEBRAE_GFX_DLIGHTS?
 917                         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);
 918                 }
 919                 // do trails
 920                 if (e->render.flags & RENDER_GLOWTRAIL)
 921                         trailtype = 9;
 922                 if (trailtype >= 0)
 923                         CL_RocketTrail(e->persistent.trail_origin, origin, trailtype, e->state_current.glowcolor, e);
 924                 VectorCopy(origin, e->persistent.trail_origin);
 925                 // tenebrae's sprites are all additive mode (weird)
 926                 if (gamemode == GAME_TENEBRAE && e->render.model && e->render.model->type == mod_sprite)
 927                         e->render.effects |= EF_ADDITIVE;
 928                 // player model is only shown with chase_active on
 929                 if (e->state_current.number == cl.viewentity)
 930                         e->render.flags |= RENDER_EXTERIORMODEL;
 931                 // transparent stuff can't be lit during the opaque stage
 932                 if (e->render.effects & (EF_ADDITIVE | EF_NODEPTHTEST) || e->render.alpha < 1)
 933                         e->render.flags |= RENDER_TRANSPARENT;
 934                 // either fullbright or lit
 935                 if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
 936                         e->render.flags |= RENDER_LIGHT;
 937                 // hide player shadow during intermission or nehahra movie
 938                 if (!(e->render.effects & EF_NOSHADOW)
 939                  && !(e->render.flags & (RENDER_VIEWMODEL | RENDER_TRANSPARENT))
 940                  && (!(e->render.flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cl.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 941                         e->render.flags |= RENDER_SHADOW;
 942                 // as soon as player is known we can call V_CalcRefDef
 943                 if (e->state_current.number == cl.viewentity)
 944                         V_CalcRefdef();
 945                 if (e->render.model && e->render.model->name[0] == '*' && e->render.model->TraceBox)
 946                         cl_brushmodel_entities[cl_num_brushmodel_entities++] = e->state_current.number;
 947                 // don't show entities with no modelindex (note: this still shows
 948                 // entities which have a modelindex that resolved to a NULL model)
 949                 if (e->render.model && !(e->render.effects & EF_NODRAW) && r_refdef.numentities < r_refdef.maxentities)
 950                         r_refdef.entities[r_refdef.numentities++] = &e->render;
 951                 //if (cl.viewentity && e->state_current.number == cl.viewentity)
 952                 //      Matrix4x4_Print(&e->render.matrix);
 953         }
 954 }
 955
 956 void CL_RelinkWorld(void)
 957 {
 958         entity_t *ent = &cl_entities[0];
 959         cl_brushmodel_entities[cl_num_brushmodel_entities++] = 0;
 960         // FIXME: this should be done at load
 961         Matrix4x4_CreateIdentity(&ent->render.matrix);
 962         Matrix4x4_CreateIdentity(&ent->render.inversematrix);
 963         R_LerpAnimation(&ent->render);
 964         CL_BoundingBoxForEntity(&ent->render);
 965         ent->render.flags = RENDER_SHADOW;
 966         if (!r_fullbright.integer)
 967                 ent->render.flags |= RENDER_LIGHT;
 968         VectorSet(ent->render.colormod, 1, 1, 1);
 969         r_refdef.worldentity = &ent->render;
 970         r_refdef.worldmodel = cl.worldmodel;
 971 }
 972
 973 static void CL_RelinkStaticEntities(void)
 974 {
 975         int i;
 976         entity_t *e;
 977         for (i = 0, e = cl_static_entities;i < cl_num_static_entities && r_refdef.numentities < r_refdef.maxentities;i++, e++)
 978         {
 979                 Mod_CheckLoaded(e->render.model);
 980                 e->render.flags = 0;
 981                 // transparent stuff can't be lit during the opaque stage
 982                 if (e->render.effects & (EF_ADDITIVE | EF_NODEPTHTEST) || e->render.alpha < 1)
 983                         e->render.flags |= RENDER_TRANSPARENT;
 984                 // either fullbright or lit
 985                 if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
 986                         e->render.flags |= RENDER_LIGHT;
 987                 // hide player shadow during intermission or nehahra movie
 988                 if (!(e->render.effects & EF_NOSHADOW) && !(e->render.flags & RENDER_TRANSPARENT))
 989                         e->render.flags |= RENDER_SHADOW;
 990                 VectorSet(e->render.colormod, 1, 1, 1);
 991                 R_LerpAnimation(&e->render);
 992                 r_refdef.entities[r_refdef.numentities++] = &e->render;
 993         }
 994 }
 995
 996 /*
 997 ===============
 998 CL_RelinkEntities
 999 ===============
1000 */
1001 static void CL_RelinkNetworkEntities(void)
1002 {
1003         entity_t *ent;
1004         int i;
1005
1006         ent = &cl.viewent;
1007         ent->state_previous = ent->state_current;
1008         ent->state_current = defaultstate;
1009         ent->state_current.time = cl.time;
1010         ent->state_current.number = -1;
1011         ent->state_current.active = true;
1012         ent->state_current.modelindex = cl.stats[STAT_WEAPON];
1013         ent->state_current.frame = cl.stats[STAT_WEAPONFRAME];
1014         ent->state_current.flags = RENDER_VIEWMODEL;
1015         if ((cl.stats[STAT_HEALTH] <= 0 && cl_deathnoviewmodel.integer) || cl.intermission)
1016                 ent->state_current.modelindex = 0;
1017         else if (cl.stats[STAT_ITEMS] & IT_INVISIBILITY)
1018         {
1019                 if (gamemode == GAME_TRANSFUSION)
1020                         ent->state_current.alpha = 128;
1021                 else
1022                         ent->state_current.modelindex = 0;
1023         }
1024
1025         // reset animation interpolation on weaponmodel if model changed
1026         if (ent->state_previous.modelindex != ent->state_current.modelindex)
1027         {
1028                 ent->render.frame = ent->render.frame1 = ent->render.frame2 = ent->state_current.frame;
1029                 ent->render.frame1time = ent->render.frame2time = cl.time;
1030                 ent->render.framelerp = 1;
1031         }
1032
1033         // start on the entity after the world
1034         entitylinkframenumber++;
1035         for (i = 1;i < cl_num_entities;i++)
1036         {
1037                 if (cl_entities_active[i])
1038                 {
1039                         ent = cl_entities + i;
1040                         if (ent->state_current.active)
1041                                 CL_LinkNetworkEntity(ent);
1042                         else
1043                                 cl_entities_active[i] = false;
1044                 }
1045         }
1046         CL_LinkNetworkEntity(&cl.viewent);
1047 }
1048
1049 static void CL_RelinkEffects(void)
1050 {
1051         int i, intframe;
1052         cl_effect_t *e;
1053         entity_t *ent;
1054         float frame;
1055
1056         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
1057         {
1058                 if (e->active)
1059                 {
1060                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
1061                         intframe = frame;
1062                         if (intframe < 0 || intframe >= e->endframe)
1063                         {
1064                                 memset(e, 0, sizeof(*e));
1065                                 continue;
1066                         }
1067
1068                         if (intframe != e->frame)
1069                         {
1070                                 e->frame = intframe;
1071                                 e->frame1time = e->frame2time;
1072                                 e->frame2time = cl.time;
1073                         }
1074
1075                         // if we're drawing effects, get a new temp entity
1076                         // (NewTempEntity adds it to the render entities list for us)
1077                         if (r_draweffects.integer && (ent = CL_NewTempEntity()))
1078                         {
1079                                 // interpolation stuff
1080                                 ent->render.frame1 = intframe;
1081                                 ent->render.frame2 = intframe + 1;
1082                                 if (ent->render.frame2 >= e->endframe)
1083                                         ent->render.frame2 = -1; // disappear
1084                                 ent->render.framelerp = frame - intframe;
1085                                 ent->render.frame1time = e->frame1time;
1086                                 ent->render.frame2time = e->frame2time;
1087
1088                                 // normal stuff
1089                                 ent->render.model = cl.model_precache[e->modelindex];
1090                                 ent->render.frame = ent->render.frame2;
1091                                 ent->render.colormap = -1; // no special coloring
1092                                 ent->render.alpha = 1;
1093                                 VectorSet(ent->render.colormod, 1, 1, 1);
1094
1095                                 Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, e->origin[0], e->origin[1], e->origin[2], 0, 0, 0, 1);
1096                                 Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
1097                                 R_LerpAnimation(&ent->render);
1098                                 CL_BoundingBoxForEntity(&ent->render);
1099                         }
1100                 }
1101         }
1102 }
1103
1104 void CL_RelinkBeams(void)
1105 {
1106         int i;
1107         beam_t *b;
1108         vec3_t dist, org;
1109         float d;
1110         entity_t *ent;
1111         float yaw, pitch;
1112         float forward;
1113         matrix4x4_t tempmatrix;
1114
1115         for (i = 0, b = cl_beams;i < cl_max_beams;i++, b++)
1116         {
1117                 if (!b->model || b->endtime < cl.time)
1118                         continue;
1119
1120                 // if coming from the player, update the start position
1121                 //if (b->entity == cl.viewentity)
1122                 //      VectorCopy (cl_entities[cl.viewentity].render.origin, b->start);
1123                 if (cl_beams_relative.integer && b->entity == cl.viewentity && b->entity && cl_entities[b->entity].state_current.active && b->relativestartvalid)
1124                 {
1125                         entity_state_t *p = &cl_entities[b->entity].state_previous;
1126                         //entity_state_t *c = &cl_entities[b->entity].state_current;
1127                         entity_render_t *r = &cl_entities[b->entity].render;
1128                         matrix4x4_t matrix, imatrix;
1129                         if (b->relativestartvalid == 2)
1130                         {
1131                                 // not really valid yet, we need to get the orientation now
1132                                 // (ParseBeam flagged this because it is received before
1133                                 //  entities are received, by now they have been received)
1134                                 // note: because players create lightning in their think
1135                                 // function (which occurs before movement), they actually
1136                                 // have some lag in it's location, so compare to the
1137                                 // previous player state, not the latest
1138                                 if (b->entity == cl.viewentity)
1139                                         Matrix4x4_CreateFromQuakeEntity(&matrix, p->origin[0], p->origin[1], p->origin[2] + 16, cl.viewangles[0], cl.viewangles[1], cl.viewangles[2], 1);
1140                                 else
1141                                         Matrix4x4_CreateFromQuakeEntity(&matrix, p->origin[0], p->origin[1], p->origin[2] + 16, p->angles[0], p->angles[1], p->angles[2], 1);
1142                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1143                                 Matrix4x4_Transform(&imatrix, b->start, b->relativestart);
1144                                 Matrix4x4_Transform(&imatrix, b->end, b->relativeend);
1145                                 b->relativestartvalid = 1;
1146                         }
1147                         else
1148                         {
1149                                 if (b->entity == cl.viewentity)
1150                                         Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, cl.viewangles[0], cl.viewangles[1], cl.viewangles[2], 1);
1151                                 else
1152                                         Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, r->angles[0], r->angles[1], r->angles[2], 1);
1153                                 Matrix4x4_Transform(&matrix, b->relativestart, b->start);
1154                                 Matrix4x4_Transform(&matrix, b->relativeend, b->end);
1155                         }
1156                 }
1157
1158                 if (b->lightning)
1159                 {
1160                         if (cl_beams_lightatend.integer)
1161                         {
1162                                 // FIXME: create a matrix from the beam start/end orientation
1163                                 Matrix4x4_CreateTranslate(&tempmatrix, b->end[0], b->end[1], b->end[2]);
1164                                 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);
1165                         }
1166                         if (cl_beams_polygons.integer)
1167                                 continue;
1168                 }
1169
1170                 // calculate pitch and yaw
1171                 VectorSubtract (b->end, b->start, dist);
1172
1173                 if (dist[1] == 0 && dist[0] == 0)
1174                 {
1175                         yaw = 0;
1176                         if (dist[2] > 0)
1177                                 pitch = 90;
1178                         else
1179                                 pitch = 270;
1180                 }
1181                 else
1182                 {
1183                         yaw = (int) (atan2(dist[1], dist[0]) * 180 / M_PI);
1184                         if (yaw < 0)
1185                                 yaw += 360;
1186
1187                         forward = sqrt (dist[0]*dist[0] + dist[1]*dist[1]);
1188                         pitch = (int) (atan2(dist[2], forward) * 180 / M_PI);
1189                         if (pitch < 0)
1190                                 pitch += 360;
1191                 }
1192
1193                 // add new entities for the lightning
1194                 VectorCopy (b->start, org);
1195                 d = VectorNormalizeLength(dist);
1196                 while (d > 0)
1197                 {
1198                         ent = CL_NewTempEntity ();
1199                         if (!ent)
1200                                 return;
1201                         //VectorCopy (org, ent->render.origin);
1202                         ent->render.model = b->model;
1203                         //ent->render.effects = EF_FULLBRIGHT;
1204                         //ent->render.angles[0] = pitch;
1205                         //ent->render.angles[1] = yaw;
1206                         //ent->render.angles[2] = rand()%360;
1207                         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, org[0], org[1], org[2], -pitch, yaw, lhrandom(0, 360), 1);
1208                         Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
1209                         R_LerpAnimation(&ent->render);
1210                         CL_BoundingBoxForEntity(&ent->render);
1211                         VectorMA(org, 30, dist, org);
1212                         d -= 30;
1213                 }
1214         }
1215 }
1216
1217 void CL_LerpPlayer(float frac)
1218 {
1219         int i;
1220         float d;
1221
1222         cl.viewzoom = cl.mviewzoom[1] + frac * (cl.mviewzoom[0] - cl.mviewzoom[1]);
1223         for (i = 0;i < 3;i++)
1224         {
1225                 cl.punchangle[i] = cl.mpunchangle[1][i] + frac * (cl.mpunchangle[0][i] - cl.mpunchangle[1][i]);
1226                 cl.punchvector[i] = cl.mpunchvector[1][i] + frac * (cl.mpunchvector[0][i] - cl.mpunchvector[1][i]);
1227                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
1228         }
1229
1230         if (cls.demoplayback)
1231         {
1232                 // interpolate the angles
1233                 for (i = 0;i < 3;i++)
1234                 {
1235                         d = cl.mviewangles[0][i] - cl.mviewangles[1][i];
1236                         if (d > 180)
1237                                 d -= 360;
1238                         else if (d < -180)
1239                                 d += 360;
1240                         cl.viewangles[i] = cl.mviewangles[1][i] + frac * d;
1241                 }
1242         }
1243 }
1244
1245 /*
1246 ===============
1247 CL_ReadFromServer
1248
1249 Read all incoming data from the server
1250 ===============
1251 */
1252 extern void CL_ClientMovement_Replay();
1253 int CL_ReadFromServer(void)
1254 {
1255         CL_ReadDemoMessage();
1256
1257         r_refdef.time = cl.time;
1258         r_refdef.extraupdate = !r_speeds.integer;
1259         r_refdef.numentities = 0;
1260         Matrix4x4_CreateIdentity(&r_refdef.viewentitymatrix);
1261         cl_num_brushmodel_entities = 0;
1262
1263         if (cls.state == ca_connected && cls.signon == SIGNONS)
1264         {
1265                 // prepare for a new frame
1266                 CL_LerpPlayer(CL_LerpPoint());
1267                 CL_DecayLights();
1268                 CL_ClearTempEntities();
1269                 V_DriftPitch();
1270                 V_FadeViewFlashs();
1271
1272                 // relink network entities (note: this sets up the view!)
1273                 CL_ClientMovement_Replay();
1274                 CL_RelinkNetworkEntities();
1275
1276                 // move particles
1277                 CL_MoveParticles();
1278                 R_MoveExplosions();
1279
1280                 // link stuff
1281                 CL_RelinkWorld();
1282                 CL_RelinkStaticEntities();
1283                 CL_RelinkBeams();
1284                 CL_RelinkEffects();
1285
1286                 // run cgame code (which can add more entities)
1287                 CL_CGVM_Frame();
1288
1289                 // update view blend
1290                 V_CalcViewBlend();
1291         }
1292
1293         return 0;
1294 }
1295
1296 /*
1297 =================
1298 CL_SendCmd
1299 =================
1300 */
1301 void CL_UpdatePrydonCursor(void);
1302 void CL_SendCmd(void)
1303 {
1304         if (cls.demoplayback)
1305         {
1306                 SZ_Clear(&cls.message);
1307                 return;
1308         }
1309
1310         // send the reliable message (forwarded commands) if there is one
1311         if (cls.message.cursize && NetConn_CanSendMessage(cls.netcon))
1312         {
1313                 if (developer.integer)
1314                 {
1315                         Con_Print("CL_SendCmd: sending reliable message:\n");
1316                         SZ_HexDumpToConsole(&cls.message);
1317                 }
1318                 if (NetConn_SendReliableMessage(cls.netcon, &cls.message) == -1)
1319                         Host_Error("CL_WriteToServer: lost server connection");
1320                 SZ_Clear(&cls.message);
1321         }
1322 }
1323
1324 // LordHavoc: pausedemo command
1325 static void CL_PauseDemo_f (void)
1326 {
1327         cls.demopaused = !cls.demopaused;
1328         if (cls.demopaused)
1329                 Con_Print("Demo paused\n");
1330         else
1331                 Con_Print("Demo unpaused\n");
1332 }
1333
1334 /*
1335 ======================
1336 CL_Fog_f
1337 ======================
1338 */
1339 static void CL_Fog_f (void)
1340 {
1341         if (Cmd_Argc () == 1)
1342         {
1343                 Con_Printf("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
1344                 return;
1345         }
1346         fog_density = atof(Cmd_Argv(1));
1347         fog_red = atof(Cmd_Argv(2));
1348         fog_green = atof(Cmd_Argv(3));
1349         fog_blue = atof(Cmd_Argv(4));
1350 }
1351
1352 /*
1353 ====================
1354 CL_TimeRefresh_f
1355
1356 For program optimization
1357 ====================
1358 */
1359 static void CL_TimeRefresh_f (void)
1360 {
1361         int i;
1362         float timestart, timedelta, oldangles[3];
1363
1364         r_refdef.extraupdate = false;
1365         VectorCopy(cl.viewangles, oldangles);
1366         VectorClear(cl.viewangles);
1367
1368         timestart = Sys_DoubleTime();
1369         for (i = 0;i < 128;i++)
1370         {
1371                 Matrix4x4_CreateFromQuakeEntity(&r_refdef.viewentitymatrix, r_vieworigin[0], r_vieworigin[1], r_vieworigin[2], 0, i / 128.0 * 360.0, 0, 1);
1372                 CL_UpdateScreen();
1373         }
1374         timedelta = Sys_DoubleTime() - timestart;
1375
1376         VectorCopy(oldangles, cl.viewangles);
1377         Con_Printf("%f seconds (%f fps)\n", timedelta, 128/timedelta);
1378 }
1379
1380 /*
1381 ===========
1382 CL_Shutdown
1383 ===========
1384 */
1385 void CL_Shutdown (void)
1386 {
1387         CL_CGVM_Shutdown();
1388         CL_Particles_Shutdown();
1389         CL_Parse_Shutdown();
1390
1391         Mem_FreePool (&cl_mempool);
1392 }
1393
1394 /*
1395 =================
1396 CL_Init
1397 =================
1398 */
1399 void CL_Init (void)
1400 {
1401         cl_mempool = Mem_AllocPool("client", 0, NULL);
1402
1403         memset(&r_refdef, 0, sizeof(r_refdef));
1404         // max entities sent to renderer per frame
1405         r_refdef.maxentities = MAX_EDICTS + 256 + 512;
1406         r_refdef.entities = Mem_Alloc(cl_mempool, sizeof(entity_render_t *) * r_refdef.maxentities);
1407         // 256k drawqueue buffer
1408         r_refdef.maxdrawqueuesize = 256 * 1024;
1409         r_refdef.drawqueue = Mem_Alloc(cl_mempool, r_refdef.maxdrawqueuesize);
1410
1411         cls.message.data = cls.message_buf;
1412         cls.message.maxsize = sizeof(cls.message_buf);
1413         cls.message.cursize = 0;
1414
1415         CL_InitInput ();
1416
1417 //
1418 // register our commands
1419 //
1420         Cvar_RegisterVariable (&cl_upspeed);
1421         Cvar_RegisterVariable (&cl_forwardspeed);
1422         Cvar_RegisterVariable (&cl_backspeed);
1423         Cvar_RegisterVariable (&cl_sidespeed);
1424         Cvar_RegisterVariable (&cl_movespeedkey);
1425         Cvar_RegisterVariable (&cl_yawspeed);
1426         Cvar_RegisterVariable (&cl_pitchspeed);
1427         Cvar_RegisterVariable (&cl_anglespeedkey);
1428         Cvar_RegisterVariable (&cl_shownet);
1429         Cvar_RegisterVariable (&cl_nolerp);
1430         Cvar_RegisterVariable (&lookspring);
1431         Cvar_RegisterVariable (&lookstrafe);
1432         Cvar_RegisterVariable (&sensitivity);
1433         Cvar_RegisterVariable (&freelook);
1434
1435         Cvar_RegisterVariable (&m_pitch);
1436         Cvar_RegisterVariable (&m_yaw);
1437         Cvar_RegisterVariable (&m_forward);
1438         Cvar_RegisterVariable (&m_side);
1439
1440         Cvar_RegisterVariable (&cl_itembobspeed);
1441         Cvar_RegisterVariable (&cl_itembobheight);
1442
1443         Cmd_AddCommand ("entities", CL_PrintEntities_f);
1444         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
1445         Cmd_AddCommand ("record", CL_Record_f);
1446         Cmd_AddCommand ("stop", CL_Stop_f);
1447         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
1448         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
1449
1450         Cmd_AddCommand ("fog", CL_Fog_f);
1451
1452         // LordHavoc: added pausedemo
1453         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
1454
1455         Cvar_RegisterVariable(&r_draweffects);
1456         Cvar_RegisterVariable(&cl_explosions_alpha_start);
1457         Cvar_RegisterVariable(&cl_explosions_alpha_end);
1458         Cvar_RegisterVariable(&cl_explosions_size_start);
1459         Cvar_RegisterVariable(&cl_explosions_size_end);
1460         Cvar_RegisterVariable(&cl_explosions_lifetime);
1461         Cvar_RegisterVariable(&cl_stainmaps);
1462         Cvar_RegisterVariable(&cl_stainmaps_clearonload);
1463         Cvar_RegisterVariable(&cl_beams_polygons);
1464         Cvar_RegisterVariable(&cl_beams_relative);
1465         Cvar_RegisterVariable(&cl_beams_lightatend);
1466         Cvar_RegisterVariable(&cl_noplayershadow);
1467
1468         Cvar_RegisterVariable(&cl_prydoncursor);
1469
1470         Cvar_RegisterVariable(&cl_deathnoviewmodel);
1471
1472         Cmd_AddCommand("timerefresh", CL_TimeRefresh_f);
1473
1474         CL_Parse_Init();
1475         CL_Particles_Init();
1476         CL_Screen_Init();
1477         CL_CGVM_Init();
1478
1479         CL_Video_Init();
1480 }
1481
1482
1483