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 mempool_t *cl_mempool;
  67
  68 client_static_t cls;
  69 client_state_t  cl;
  70
  71 int cl_max_entities;
  72 int cl_max_static_entities;
  73 int cl_max_temp_entities;
  74 int cl_max_effects;
  75 int cl_max_beams;
  76 int cl_max_dlights;
  77 int cl_max_lightstyle;
  78 int cl_max_brushmodel_entities;
  79
  80 entity_t *cl_entities;
  81 qbyte *cl_entities_active;
  82 entity_t *cl_static_entities;
  83 entity_t *cl_temp_entities;
  84 cl_effect_t *cl_effects;
  85 beam_t *cl_beams;
  86 dlight_t *cl_dlights;
  87 lightstyle_t *cl_lightstyle;
  88 entity_render_t **cl_brushmodel_entities;
  89
  90 int cl_num_entities;
  91 int cl_num_static_entities;
  92 int cl_num_temp_entities;
  93 int cl_num_brushmodel_entities;
  94
  95 /*
  96 =====================
  97 CL_ClearState
  98
  99 =====================
 100 */
 101 void CL_ClearState(void)
 102 {
 103         int i;
 104
 105         if (cl_entities) Mem_Free(cl_entities);cl_entities = NULL;
 106         if (cl_entities_active) Mem_Free(cl_entities_active);cl_entities_active = NULL;
 107         if (cl_static_entities) Mem_Free(cl_static_entities);cl_static_entities = NULL;
 108         if (cl_temp_entities) Mem_Free(cl_temp_entities);cl_temp_entities = NULL;
 109         if (cl_effects) Mem_Free(cl_effects);cl_effects = NULL;
 110         if (cl_beams) Mem_Free(cl_beams);cl_beams = NULL;
 111         if (cl_dlights) Mem_Free(cl_dlights);cl_dlights = NULL;
 112         if (cl_lightstyle) Mem_Free(cl_lightstyle);cl_lightstyle = NULL;
 113         if (cl_brushmodel_entities) Mem_Free(cl_brushmodel_entities);cl_brushmodel_entities = NULL;
 114         if (cl.entitydatabase) EntityFrame_FreeDatabase(cl.entitydatabase);cl.entitydatabase = NULL;
 115         if (cl.entitydatabase4) EntityFrame4_FreeDatabase(cl.entitydatabase4);cl.entitydatabase4 = NULL;
 116         if (cl.scores) Mem_Free(cl.scores);cl.scores = NULL;
 117
 118         if (!sv.active)
 119                 Host_ClearMemory ();
 120
 121 // wipe the entire cl structure
 122         memset (&cl, 0, sizeof(cl));
 123         // reset the view zoom interpolation
 124         cl.mviewzoom[0] = cl.mviewzoom[1] = 1;
 125
 126         SZ_Clear (&cls.message);
 127
 128         cl_num_entities = 0;
 129         cl_num_static_entities = 0;
 130         cl_num_temp_entities = 0;
 131         cl_num_brushmodel_entities = 0;
 132
 133         // tweak these if the game runs out
 134         cl_max_entities = 256;
 135         cl_max_static_entities = 256;
 136         cl_max_temp_entities = 512;
 137         cl_max_effects = 256;
 138         cl_max_beams = 256;
 139         cl_max_dlights = MAX_DLIGHTS;
 140         cl_max_lightstyle = MAX_LIGHTSTYLES;
 141         cl_max_brushmodel_entities = MAX_EDICTS;
 142
 143         cl_entities = Mem_Alloc(cl_mempool, cl_max_entities * sizeof(entity_t));
 144         cl_entities_active = Mem_Alloc(cl_mempool, cl_max_brushmodel_entities * sizeof(qbyte));
 145         cl_static_entities = Mem_Alloc(cl_mempool, cl_max_static_entities * sizeof(entity_t));
 146         cl_temp_entities = Mem_Alloc(cl_mempool, cl_max_temp_entities * sizeof(entity_t));
 147         cl_effects = Mem_Alloc(cl_mempool, cl_max_effects * sizeof(cl_effect_t));
 148         cl_beams = Mem_Alloc(cl_mempool, cl_max_beams * sizeof(beam_t));
 149         cl_dlights = Mem_Alloc(cl_mempool, cl_max_dlights * sizeof(dlight_t));
 150         cl_lightstyle = Mem_Alloc(cl_mempool, cl_max_lightstyle * sizeof(lightstyle_t));
 151         cl_brushmodel_entities = Mem_Alloc(cl_mempool, cl_max_brushmodel_entities * sizeof(entity_render_t *));
 152
 153         // LordHavoc: have to set up the baseline info for alpha and other stuff
 154         for (i = 0;i < cl_max_entities;i++)
 155         {
 156                 cl_entities[i].state_baseline = defaultstate;
 157                 cl_entities[i].state_previous = defaultstate;
 158                 cl_entities[i].state_current = defaultstate;
 159         }
 160
 161         CL_Screen_NewMap();
 162         CL_Particles_Clear();
 163         CL_CGVM_Clear();
 164 }
 165
 166 void CL_ExpandEntities(int num)
 167 {
 168         int i, oldmaxentities;
 169         entity_t *oldentities;
 170         if (num >= cl_max_entities)
 171         {
 172                 if (num >= MAX_EDICTS)
 173                         Host_Error("CL_ExpandEntities: num %i >= %i\n", num, MAX_EDICTS);
 174                 oldmaxentities = cl_max_entities;
 175                 oldentities = cl_entities;
 176                 cl_max_entities = (num & ~255) + 256;
 177                 cl_entities = Mem_Alloc(cl_mempool, cl_max_entities * sizeof(entity_t));
 178                 memcpy(cl_entities, oldentities, oldmaxentities * sizeof(entity_t));
 179                 Mem_Free(oldentities);
 180                 for (i = oldmaxentities;i < cl_max_entities;i++)
 181                 {
 182                         cl_entities[i].state_baseline = defaultstate;
 183                         cl_entities[i].state_previous = defaultstate;
 184                         cl_entities[i].state_current = defaultstate;
 185                 }
 186         }
 187 }
 188
 189 /*
 190 =====================
 191 CL_Disconnect
 192
 193 Sends a disconnect message to the server
 194 This is also called on Host_Error, so it shouldn't cause any errors
 195 =====================
 196 */
 197 void CL_Disconnect(void)
 198 {
 199         if (cls.state == ca_dedicated)
 200                 return;
 201
 202         Con_DPrintf("CL_Disconnect\n");
 203
 204 // stop sounds (especially looping!)
 205         S_StopAllSounds ();
 206
 207         // clear contents blends
 208         cl.cshifts[0].percent = 0;
 209         cl.cshifts[1].percent = 0;
 210         cl.cshifts[2].percent = 0;
 211         cl.cshifts[3].percent = 0;
 212
 213         cl.worldmodel = NULL;
 214
 215         if (cls.demoplayback)
 216                 CL_StopPlayback();
 217         else if (cls.netcon)
 218         {
 219                 if (cls.demorecording)
 220                         CL_Stop_f();
 221
 222                 Con_DPrint("Sending clc_disconnect\n");
 223                 SZ_Clear(&cls.message);
 224                 MSG_WriteByte(&cls.message, clc_disconnect);
 225                 NetConn_SendUnreliableMessage(cls.netcon, &cls.message);
 226                 SZ_Clear(&cls.message);
 227                 NetConn_Close(cls.netcon);
 228                 cls.netcon = NULL;
 229         }
 230         cls.state = ca_disconnected;
 231
 232         cls.demoplayback = cls.timedemo = false;
 233         cls.signon = 0;
 234 }
 235
 236 void CL_Disconnect_f(void)
 237 {
 238         CL_Disconnect ();
 239         if (sv.active)
 240                 Host_ShutdownServer (false);
 241 }
 242
 243
 244
 245
 246 /*
 247 =====================
 248 CL_EstablishConnection
 249
 250 Host should be either "local" or a net address
 251 =====================
 252 */
 253 void CL_EstablishConnection(const char *host)
 254 {
 255         if (cls.state == ca_dedicated)
 256                 return;
 257
 258         // clear menu's connect error message
 259         M_Update_Return_Reason("");
 260         cls.demonum = -1;
 261
 262         // stop demo loop in case this fails
 263         CL_Disconnect();
 264         NetConn_ClientFrame();
 265         NetConn_ServerFrame();
 266
 267         if (LHNETADDRESS_FromString(&cls.connect_address, host, 26000) && (cls.connect_mysocket = NetConn_ChooseClientSocketForAddress(&cls.connect_address)))
 268         {
 269                 cls.connect_trying = true;
 270                 cls.connect_remainingtries = 3;
 271                 cls.connect_nextsendtime = 0;
 272                 M_Update_Return_Reason("Trying to connect...");
 273                 if (sv.active)
 274                 {
 275                         NetConn_ClientFrame();
 276                         NetConn_ServerFrame();
 277                         NetConn_ClientFrame();
 278                         NetConn_ServerFrame();
 279                         NetConn_ClientFrame();
 280                         NetConn_ServerFrame();
 281                         NetConn_ClientFrame();
 282                         NetConn_ServerFrame();
 283                 }
 284         }
 285         else
 286         {
 287                 Con_Print("Unable to find a suitable network socket to connect to server.\n");
 288                 M_Update_Return_Reason("No network");
 289         }
 290 }
 291
 292 /*
 293 ==============
 294 CL_PrintEntities_f
 295 ==============
 296 */
 297 static void CL_PrintEntities_f(void)
 298 {
 299         entity_t *ent;
 300         int i, j;
 301         char name[32];
 302
 303         for (i = 0, ent = cl_entities;i < cl_num_entities;i++, ent++)
 304         {
 305                 if (!ent->state_current.active)
 306                         continue;
 307
 308                 if (ent->render.model)
 309                         strlcpy (name, ent->render.model->name, 25);
 310                 else
 311                         strcpy(name, "--no model--");
 312                 for (j = strlen(name);j < 25;j++)
 313                         name[j] = ' ';
 314                 Con_Printf("%3i: %s:%04i (%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);
 315         }
 316 }
 317
 318 //static const vec3_t nomodelmins = {-16, -16, -16};
 319 //static const vec3_t nomodelmaxs = {16, 16, 16};
 320 void CL_BoundingBoxForEntity(entity_render_t *ent)
 321 {
 322         if (ent->model)
 323         {
 324                 //if (ent->angles[0] || ent->angles[2])
 325                 if (ent->matrix.m[2][0] != 0 || ent->matrix.m[2][1] != 0)
 326                 {
 327                         // pitch or roll
 328                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->rotatedmins[0];
 329                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->rotatedmins[1];
 330                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->rotatedmins[2];
 331                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->rotatedmaxs[0];
 332                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->rotatedmaxs[1];
 333                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->rotatedmaxs[2];
 334                         //VectorAdd(ent->origin, ent->model->rotatedmins, ent->mins);
 335                         //VectorAdd(ent->origin, ent->model->rotatedmaxs, ent->maxs);
 336                 }
 337                 //else if (ent->angles[1])
 338                 else if (ent->matrix.m[0][1] != 0 || ent->matrix.m[1][0] != 0)
 339                 {
 340                         // yaw
 341                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->yawmins[0];
 342                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->yawmins[1];
 343                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->yawmins[2];
 344                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->yawmaxs[0];
 345                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->yawmaxs[1];
 346                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->yawmaxs[2];
 347                         //VectorAdd(ent->origin, ent->model->yawmins, ent->mins);
 348                         //VectorAdd(ent->origin, ent->model->yawmaxs, ent->maxs);
 349                 }
 350                 else
 351                 {
 352                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->normalmins[0];
 353                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->normalmins[1];
 354                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->normalmins[2];
 355                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->normalmaxs[0];
 356                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->normalmaxs[1];
 357                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->normalmaxs[2];
 358                         //VectorAdd(ent->origin, ent->model->normalmins, ent->mins);
 359                         //VectorAdd(ent->origin, ent->model->normalmaxs, ent->maxs);
 360                 }
 361         }
 362         else
 363         {
 364                 ent->mins[0] = ent->matrix.m[0][3] - 16;
 365                 ent->mins[1] = ent->matrix.m[1][3] - 16;
 366                 ent->mins[2] = ent->matrix.m[2][3] - 16;
 367                 ent->maxs[0] = ent->matrix.m[0][3] + 16;
 368                 ent->maxs[1] = ent->matrix.m[1][3] + 16;
 369                 ent->maxs[2] = ent->matrix.m[2][3] + 16;
 370                 //VectorAdd(ent->origin, nomodelmins, ent->mins);
 371                 //VectorAdd(ent->origin, nomodelmaxs, ent->maxs);
 372         }
 373 }
 374
 375 /*
 376 ===============
 377 CL_LerpPoint
 378
 379 Determines the fraction between the last two messages that the objects
 380 should be put at.
 381 ===============
 382 */
 383 static float CL_LerpPoint(void)
 384 {
 385         float f;
 386
 387         // dropped packet, or start of demo
 388         if (cl.mtime[1] < cl.mtime[0] - 0.1)
 389                 cl.mtime[1] = cl.mtime[0] - 0.1;
 390
 391         cl.time = bound(cl.mtime[1], cl.time, cl.mtime[0]);
 392
 393         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 394         f = cl.mtime[0] - cl.mtime[1];
 395         if (!f || cl_nolerp.integer || cls.timedemo || cl.islocalgame)
 396         {
 397                 cl.time = cl.mtime[0];
 398                 return 1;
 399         }
 400
 401         f = (cl.time - cl.mtime[1]) / f;
 402         return bound(0, f, 1);
 403 }
 404
 405 void CL_ClearTempEntities (void)
 406 {
 407         cl_num_temp_entities = 0;
 408 }
 409
 410 entity_t *CL_NewTempEntity(void)
 411 {
 412         entity_t *ent;
 413
 414         if (r_refdef.numentities >= r_refdef.maxentities)
 415                 return NULL;
 416         if (cl_num_temp_entities >= cl_max_temp_entities)
 417                 return NULL;
 418         ent = &cl_temp_entities[cl_num_temp_entities++];
 419         memset (ent, 0, sizeof(*ent));
 420         r_refdef.entities[r_refdef.numentities++] = &ent->render;
 421
 422         ent->render.colormap = -1; // no special coloring
 423         ent->render.scale = 1;
 424         ent->render.alpha = 1;
 425         VectorSet(ent->render.colormod, 1, 1, 1);
 426         return ent;
 427 }
 428
 429 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
 430 {
 431         int i;
 432         cl_effect_t *e;
 433         if (!modelindex) // sanity check
 434                 return;
 435         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
 436         {
 437                 if (e->active)
 438                         continue;
 439                 e->active = true;
 440                 VectorCopy(org, e->origin);
 441                 e->modelindex = modelindex;
 442                 e->starttime = cl.time;
 443                 e->startframe = startframe;
 444                 e->endframe = startframe + framecount;
 445                 e->framerate = framerate;
 446
 447                 e->frame = 0;
 448                 e->frame1time = cl.time;
 449                 e->frame2time = cl.time;
 450                 break;
 451         }
 452 }
 453
 454 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)
 455 {
 456         int i;
 457         dlight_t *dl;
 458
 459         /*
 460 // first look for an exact key match
 461         if (ent)
 462         {
 463                 dl = cl_dlights;
 464                 for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 465                         if (dl->ent == ent)
 466                                 goto dlightsetup;
 467         }
 468         */
 469
 470 // then look for anything else
 471         dl = cl_dlights;
 472         for (i = 0;i < MAX_DLIGHTS;i++, dl++)
 473                 if (!dl->radius)
 474                         goto dlightsetup;
 475
 476         // unable to find one
 477         return;
 478
 479 dlightsetup:
 480         //Con_Printf("dlight %i : %f %f %f : %f %f %f\n", i, org[0], org[1], org[2], red * radius, green * radius, blue * radius);
 481         memset (dl, 0, sizeof(*dl));
 482         dl->matrix = *matrix;
 483         dl->ent = ent;
 484         dl->origin[0] = dl->matrix.m[0][3];
 485         dl->origin[1] = dl->matrix.m[1][3];
 486         dl->origin[2] = dl->matrix.m[2][3];
 487         CL_FindNonSolidLocation(dl->origin, dl->origin, 6);
 488         dl->matrix.m[0][3] = dl->origin[0];
 489         dl->matrix.m[1][3] = dl->origin[1];
 490         dl->matrix.m[2][3] = dl->origin[2];
 491         dl->radius = radius;
 492         dl->color[0] = red;
 493         dl->color[1] = green;
 494         dl->color[2] = blue;
 495         dl->decay = decay;
 496         if (lifetime)
 497                 dl->die = cl.time + lifetime;
 498         else
 499                 dl->die = 0;
 500         dl->cubemapnum = cubemapnum;
 501         dl->style = style;
 502         dl->shadow = shadowenable;
 503         dl->corona = corona;
 504         dl->flags = flags;
 505         dl->coronasizescale = coronasizescale;
 506         dl->ambientscale = ambientscale;
 507         dl->diffusescale = diffusescale;
 508         dl->specularscale = specularscale;
 509 }
 510
 511 void CL_DecayLights(void)
 512 {
 513         int i;
 514         dlight_t *dl;
 515         float time;
 516
 517         time = cl.time - cl.oldtime;
 518         for (i = 0, dl = cl_dlights;i < MAX_DLIGHTS;i++, dl++)
 519                 if (dl->radius)
 520                         dl->radius = (cl.time < dl->die) ? max(0, dl->radius - time * dl->decay) : 0;
 521 }
 522
 523 #define MAXVIEWMODELS 32
 524 entity_t *viewmodels[MAXVIEWMODELS];
 525 int numviewmodels;
 526
 527 matrix4x4_t viewmodelmatrix;
 528
 529 static int entitylinkframenumber;
 530
 531 static const vec3_t muzzleflashorigin = {18, 0, 0};
 532
 533 extern void V_DriftPitch(void);
 534 extern void V_FadeViewFlashs(void);
 535 extern void V_CalcViewBlend(void);
 536
 537 extern void V_CalcRefdef(void);
 538 // note this is a recursive function, but it can never get in a runaway loop (because of the delayedlink flags)
 539 void CL_LinkNetworkEntity(entity_t *e)
 540 {
 541         matrix4x4_t *matrix, blendmatrix, tempmatrix, matrix2;
 542         //matrix4x4_t dlightmatrix;
 543         int j, k, l, trailtype, temp;
 544         float origin[3], angles[3], delta[3], lerp, dlightcolor[3], dlightradius, mins[3], maxs[3], v[3], v2[3], d;
 545         entity_t *t;
 546         model_t *model;
 547         //entity_persistent_t *p = &e->persistent;
 548         //entity_render_t *r = &e->render;
 549         if (e->persistent.linkframe != entitylinkframenumber)
 550         {
 551                 e->persistent.linkframe = entitylinkframenumber;
 552                 // skip inactive entities and world
 553                 if (!e->state_current.active || e == cl_entities)
 554                         return;
 555                 e->render.alpha = e->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 556                 e->render.scale = e->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 557                 e->render.flags = e->state_current.flags;
 558                 e->render.effects = e->state_current.effects;
 559                 if (e->state_current.flags & RENDER_COLORMAPPED)
 560                         e->render.colormap = e->state_current.colormap;
 561                 else if (cl.scores != NULL && e->state_current.colormap)
 562                         e->render.colormap = cl.scores[e->state_current.colormap - 1].colors; // color it
 563                 else
 564                         e->render.colormap = -1; // no special coloring
 565                 e->render.skinnum = e->state_current.skin;
 566                 VectorScale(e->state_current.colormod, (1.0f / 32.0f), e->render.colormod);
 567                 if (e->render.flags & RENDER_VIEWMODEL)
 568                 {
 569                         if (!r_drawviewmodel.integer || chase_active.integer || envmap)
 570                                 return;
 571                         if (cl.viewentity)
 572                                 CL_LinkNetworkEntity(cl_entities + cl.viewentity);
 573                         matrix = &viewmodelmatrix;
 574                         if (e == &cl.viewent && cl_entities[cl.viewentity].state_current.active)
 575                         {
 576                                 e->state_current.alpha = cl_entities[cl.viewentity].state_current.alpha;
 577                                 e->state_current.effects = EF_NOSHADOW | (cl_entities[cl.viewentity].state_current.effects & (EF_ADDITIVE | EF_REFLECTIVE | EF_FULLBRIGHT | EF_NODEPTHTEST));
 578                         }
 579                 }
 580                 else
 581                 {
 582                         // if the tag entity is currently impossible, skip it
 583                         if (e->state_current.tagentity >= cl_num_entities)
 584                                 return;
 585                         t = cl_entities + e->state_current.tagentity;
 586                         // if the tag entity is inactive, skip it
 587                         if (!t->state_current.active)
 588                                 return;
 589                         // note: this can link to world
 590                         CL_LinkNetworkEntity(t);
 591                         // make relative to the entity
 592                         matrix = &t->render.matrix;
 593                         // some properties of the tag entity carry over
 594                         e->render.flags |= t->render.flags & RENDER_EXTERIORMODEL;
 595                         // if a valid tagindex is used, make it relative to that tag instead
 596                         // FIXME: use a model function to get tag info (need to handle skeletal)
 597                         if (e->state_current.tagentity && e->state_current.tagindex >= 1 && (model = t->render.model))
 598                         {
 599                                 // blend the matrices
 600                                 memset(&blendmatrix, 0, sizeof(blendmatrix));
 601                                 for (j = 0;j < 4 && t->render.frameblend[j].lerp > 0;j++)
 602                                 {
 603                                         matrix4x4_t tagmatrix;
 604                                         Mod_Alias_GetTagMatrix(model, t->render.frameblend[j].frame, e->state_current.tagindex - 1, &tagmatrix);
 605                                         d = t->render.frameblend[j].lerp;
 606                                         for (l = 0;l < 4;l++)
 607                                                 for (k = 0;k < 4;k++)
 608                                                         blendmatrix.m[l][k] += d * tagmatrix.m[l][k];
 609                                 }
 610                                 // concat the tag matrices onto the entity matrix
 611                                 Matrix4x4_Concat(&tempmatrix, &t->render.matrix, &blendmatrix);
 612                                 // use the constructed tag matrix
 613                                 matrix = &tempmatrix;
 614                         }
 615                 }
 616
 617                 // movement lerp
 618                 if (e->persistent.lerpdeltatime > 0 && (lerp = (cl.time - e->persistent.lerpstarttime) / e->persistent.lerpdeltatime) < 1)
 619                 {
 620                         // interpolate the origin and angles
 621                         VectorLerp(e->persistent.oldorigin, lerp, e->persistent.neworigin, origin);
 622                         VectorSubtract(e->persistent.newangles, e->persistent.oldangles, delta);
 623                         if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
 624                         if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
 625                         if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
 626                         VectorMA(e->persistent.oldangles, lerp, delta, angles);
 627                 }
 628                 else
 629                 {
 630                         // no interpolation
 631                         VectorCopy(e->persistent.neworigin, origin);
 632                         VectorCopy(e->persistent.newangles, angles);
 633                 }
 634
 635                 // model setup and some modelflags
 636                 e->render.model = cl.model_precache[e->state_current.modelindex];
 637                 if (e->render.model)
 638                 {
 639                         Mod_CheckLoaded(e->render.model);
 640                         // if model is alias or this is a tenebrae-like dlight, reverse pitch direction
 641                         if (e->render.model->type == mod_alias || (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC))
 642                                 angles[0] = -angles[0];
 643                         if ((e->render.model->flags & EF_ROTATE) && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
 644                         {
 645                                 angles[1] = ANGLEMOD(100*cl.time);
 646                                 if (cl_itembobheight.value)
 647                                         origin[2] += (cos(cl.time * cl_itembobspeed.value * (2.0 * M_PI)) + 1.0) * 0.5 * cl_itembobheight.value;
 648                         }
 649                         // transfer certain model flags to effects
 650                         e->render.effects |= e->render.model->flags2 & (EF_FULLBRIGHT | EF_ADDITIVE);
 651                         if (cl_prydoncursor.integer && (e->render.effects & EF_SELECTABLE) && cl.cmd.cursor_entitynumber == e - cl_entities)
 652                                 VectorScale(e->render.colormod, 2, e->render.colormod);
 653                 }
 654
 655                 // animation lerp
 656                 if (e->render.frame2 == e->state_current.frame)
 657                 {
 658                         // update frame lerp fraction
 659                         e->render.framelerp = 1;
 660                         if (e->render.frame2time > e->render.frame1time)
 661                         {
 662                                 // make sure frame lerp won't last longer than 100ms
 663                                 // (this mainly helps with models that use framegroups and
 664                                 // switch between them infrequently)
 665                                 e->render.framelerp = (cl.time - e->render.frame2time) / min(e->render.frame2time - e->render.frame1time, 0.1);
 666                                 e->render.framelerp = bound(0, e->render.framelerp, 1);
 667                         }
 668                 }
 669                 else
 670                 {
 671                         // begin a new frame lerp
 672                         e->render.frame1 = e->render.frame2;
 673                         e->render.frame1time = e->render.frame2time;
 674                         e->render.frame = e->render.frame2 = e->state_current.frame;
 675                         e->render.frame2time = cl.time;
 676                         e->render.framelerp = 0;
 677                 }
 678                 R_LerpAnimation(&e->render);
 679
 680                 // set up the render matrix
 681                 // FIXME: e->render.scale should go away
 682                 Matrix4x4_CreateFromQuakeEntity(&matrix2, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
 683                 // concat the matrices to make the entity relative to its tag
 684                 Matrix4x4_Concat(&e->render.matrix, matrix, &matrix2);
 685                 // make the other useful stuff
 686                 Matrix4x4_Invert_Simple(&e->render.inversematrix, &e->render.matrix);
 687                 CL_BoundingBoxForEntity(&e->render);
 688
 689                 // handle effects now that we know where this entity is in the world...
 690                 origin[0] = e->render.matrix.m[0][3];
 691                 origin[1] = e->render.matrix.m[1][3];
 692                 origin[2] = e->render.matrix.m[2][3];
 693                 trailtype = -1;
 694                 dlightradius = 0;
 695                 dlightcolor[0] = 0;
 696                 dlightcolor[1] = 0;
 697                 dlightcolor[2] = 0;
 698                 // LordHavoc: if the entity has no effects, don't check each
 699                 if (e->render.effects)
 700                 {
 701                         if (e->render.effects & EF_BRIGHTFIELD)
 702                         {
 703                                 if (gamemode == GAME_NEXUIZ)
 704                                 {
 705                                         dlightradius = max(dlightradius, 200);
 706                                         dlightcolor[0] += 0.75f;
 707                                         dlightcolor[1] += 1.50f;
 708                                         dlightcolor[2] += 3.00f;
 709                                         trailtype = 8;
 710                                 }
 711                                 else
 712                                         CL_EntityParticles(e);
 713                         }
 714                         if (e->render.effects & EF_MUZZLEFLASH)
 715                                 e->persistent.muzzleflash = 1.0f;
 716                         if (e->render.effects & EF_DIMLIGHT)
 717                         {
 718                                 dlightradius = max(dlightradius, 200);
 719                                 dlightcolor[0] += 1.50f;
 720                                 dlightcolor[1] += 1.50f;
 721                                 dlightcolor[2] += 1.50f;
 722                         }
 723                         if (e->render.effects & EF_BRIGHTLIGHT)
 724                         {
 725                                 dlightradius = max(dlightradius, 400);
 726                                 dlightcolor[0] += 3.00f;
 727                                 dlightcolor[1] += 3.00f;
 728                                 dlightcolor[2] += 3.00f;
 729                         }
 730                         // LordHavoc: more effects
 731                         if (e->render.effects & EF_RED) // red
 732                         {
 733                                 dlightradius = max(dlightradius, 200);
 734                                 dlightcolor[0] += 1.50f;
 735                                 dlightcolor[1] += 0.15f;
 736                                 dlightcolor[2] += 0.15f;
 737                         }
 738                         if (e->render.effects & EF_BLUE) // blue
 739                         {
 740                                 dlightradius = max(dlightradius, 200);
 741                                 dlightcolor[0] += 0.15f;
 742                                 dlightcolor[1] += 0.15f;
 743                                 dlightcolor[2] += 1.50f;
 744                         }
 745                         if (e->render.effects & EF_FLAME)
 746                         {
 747                                 mins[0] = origin[0] - 16.0f;
 748                                 mins[1] = origin[1] - 16.0f;
 749                                 mins[2] = origin[2] - 16.0f;
 750                                 maxs[0] = origin[0] + 16.0f;
 751                                 maxs[1] = origin[1] + 16.0f;
 752                                 maxs[2] = origin[2] + 16.0f;
 753                                 // how many flames to make
 754                                 temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
 755                                 CL_FlameCube(mins, maxs, temp);
 756                                 d = lhrandom(0.75f, 1);
 757                                 dlightradius = max(dlightradius, 200);
 758                                 dlightcolor[0] += d * 2.0f;
 759                                 dlightcolor[1] += d * 1.5f;
 760                                 dlightcolor[2] += d * 0.5f;
 761                         }
 762                         if (e->render.effects & EF_STARDUST)
 763                         {
 764                                 mins[0] = origin[0] - 16.0f;
 765                                 mins[1] = origin[1] - 16.0f;
 766                                 mins[2] = origin[2] - 16.0f;
 767                                 maxs[0] = origin[0] + 16.0f;
 768                                 maxs[1] = origin[1] + 16.0f;
 769                                 maxs[2] = origin[2] + 16.0f;
 770                                 // how many particles to make
 771                                 temp = (int) (cl.time * 200) - (int) (cl.oldtime * 200);
 772                                 CL_Stardust(mins, maxs, temp);
 773                                 dlightradius = max(dlightradius, 200);
 774                                 dlightcolor[0] += 1.0f;
 775                                 dlightcolor[1] += 0.7f;
 776                                 dlightcolor[2] += 0.3f;
 777                         }
 778                 }
 779                 // muzzleflash fades over time, and is offset a bit
 780                 if (e->persistent.muzzleflash > 0)
 781                 {
 782                         Matrix4x4_Transform(&e->render.matrix, muzzleflashorigin, v2);
 783                         CL_TraceLine(origin, v2, v, NULL, true, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_SKY);
 784                         tempmatrix = e->render.matrix;
 785                         tempmatrix.m[0][3] = v[0];
 786                         tempmatrix.m[1][3] = v[1];
 787                         tempmatrix.m[2][3] = v[2];
 788                         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);
 789                         e->persistent.muzzleflash -= cl.frametime * 10;
 790                 }
 791                 // LordHavoc: if the model has no flags, don't check each
 792                 if (e->render.model && e->render.model->flags && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
 793                 {
 794                         if (e->render.model->flags & EF_GIB)
 795                                 trailtype = 2;
 796                         else if (e->render.model->flags & EF_ZOMGIB)
 797                                 trailtype = 4;
 798                         else if (e->render.model->flags & EF_TRACER)
 799                         {
 800                                 trailtype = 3;
 801                                 dlightradius = max(dlightradius, 100);
 802                                 dlightcolor[0] += 0.25f;
 803                                 dlightcolor[1] += 1.00f;
 804                                 dlightcolor[2] += 0.25f;
 805                         }
 806                         else if (e->render.model->flags & EF_TRACER2)
 807                         {
 808                                 trailtype = 5;
 809                                 dlightradius = max(dlightradius, 100);
 810                                 dlightcolor[0] += 1.00f;
 811                                 dlightcolor[1] += 0.60f;
 812                                 dlightcolor[2] += 0.20f;
 813                         }
 814                         else if (e->render.model->flags & EF_ROCKET)
 815                         {
 816                                 trailtype = 0;
 817                                 dlightradius = max(dlightradius, 200);
 818                                 dlightcolor[0] += 3.00f;
 819                                 dlightcolor[1] += 1.50f;
 820                                 dlightcolor[2] += 0.50f;
 821                         }
 822                         else if (e->render.model->flags & EF_GRENADE)
 823                         {
 824                                 // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
 825                                 trailtype = e->render.alpha == -1 ? 7 : 1;
 826                         }
 827                         else if (e->render.model->flags & EF_TRACER3)
 828                         {
 829                                 trailtype = 6;
 830                                 if (gamemode == GAME_PRYDON)
 831                                 {
 832                                         dlightradius = max(dlightradius, 100);
 833                                         dlightcolor[0] += 0.30f;
 834                                         dlightcolor[1] += 0.60f;
 835                                         dlightcolor[2] += 1.20f;
 836                                 }
 837                                 else
 838                                 {
 839                                         dlightradius = max(dlightradius, 200);
 840                                         dlightcolor[0] += 1.20f;
 841                                         dlightcolor[1] += 0.50f;
 842                                         dlightcolor[2] += 1.00f;
 843                                 }
 844                         }
 845                 }
 846                 // LordHavoc: customizable glow
 847                 if (e->state_current.glowsize)
 848                 {
 849                         // * 4 for the expansion from 0-255 to 0-1023 range,
 850                         // / 255 to scale down byte colors
 851                         dlightradius = max(dlightradius, e->state_current.glowsize * 4);
 852                         VectorMA(dlightcolor, (1.0f / 255.0f), (qbyte *)&palette_complete[e->state_current.glowcolor], dlightcolor);
 853                 }
 854                 // make the glow dlight
 855                 if (dlightradius > 0 && (dlightcolor[0] || dlightcolor[1] || dlightcolor[2]) && !(e->render.flags & RENDER_VIEWMODEL))
 856                 {
 857                         //dlightmatrix = e->render.matrix;
 858                         // hack to make glowing player light shine on their gun
 859                         //if ((e - cl_entities) == cl.viewentity/* && !chase_active.integer*/)
 860                         //      dlightmatrix.m[2][3] += 30;
 861                         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);
 862                 }
 863                 // custom rtlight
 864                 if (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC)
 865                 {
 866                         float light[4];
 867                         VectorScale(e->state_current.light, (1.0f / 256.0f), light);
 868                         light[3] = e->state_current.light[3];
 869                         if (light[0] == 0 && light[1] == 0 && light[2] == 0)
 870                                 VectorSet(light, 1, 1, 1);
 871                         if (light[3] == 0)
 872                                 light[3] = 350;
 873                         // FIXME: add ambient/diffuse/specular scales as an extension ontop of TENEBRAE_GFX_DLIGHTS?
 874                         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);
 875                 }
 876                 // do trails
 877                 if (e->render.flags & RENDER_GLOWTRAIL)
 878                         trailtype = 9;
 879                 if (trailtype >= 0)
 880                         CL_RocketTrail(e->persistent.trail_origin, origin, trailtype, e->state_current.glowcolor, e);
 881                 VectorCopy(origin, e->persistent.trail_origin);
 882                 // tenebrae's sprites are all additive mode (weird)
 883                 if (gamemode == GAME_TENEBRAE && e->render.model && e->render.model->type == mod_sprite)
 884                         e->render.effects |= EF_ADDITIVE;
 885                 // player model is only shown with chase_active on
 886                 if (e - cl_entities == cl.viewentity)
 887                         e->render.flags |= RENDER_EXTERIORMODEL;
 888                 // transparent stuff can't be lit during the opaque stage
 889                 if (e->render.effects & (EF_ADDITIVE | EF_NODEPTHTEST) || e->render.alpha < 1)
 890                         e->render.flags |= RENDER_TRANSPARENT;
 891                 // either fullbright or lit
 892                 if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
 893                         e->render.flags |= RENDER_LIGHT;
 894                 // hide player shadow during intermission or nehahra movie
 895                 if (!(e->render.effects & EF_NOSHADOW)
 896                  && !(e->render.flags & (RENDER_VIEWMODEL | RENDER_TRANSPARENT))
 897                  && (!(e->render.flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cl.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 898                         e->render.flags |= RENDER_SHADOW;
 899                 // as soon as player is known we can call V_CalcRefDef
 900                 if ((e - cl_entities) == cl.viewentity)
 901                         V_CalcRefdef();
 902                 if (e->render.model && e->render.model->name[0] == '*' && e->render.model->TraceBox)
 903                         cl_brushmodel_entities[cl_num_brushmodel_entities++] = &e->render;
 904                 // don't show entities with no modelindex (note: this still shows
 905                 // entities which have a modelindex that resolved to a NULL model)
 906                 if (e->render.model && !(e->render.effects & EF_NODRAW) && r_refdef.numentities < r_refdef.maxentities)
 907                         r_refdef.entities[r_refdef.numentities++] = &e->render;
 908                 //if (cl.viewentity && e - cl_entities == cl.viewentity)
 909                 //      Matrix4x4_Print(&e->render.matrix);
 910         }
 911 }
 912
 913 void CL_RelinkWorld(void)
 914 {
 915         entity_t *ent = &cl_entities[0];
 916         cl_brushmodel_entities[cl_num_brushmodel_entities++] = &ent->render;
 917         // FIXME: this should be done at load
 918         Matrix4x4_CreateIdentity(&ent->render.matrix);
 919         Matrix4x4_CreateIdentity(&ent->render.inversematrix);
 920         R_LerpAnimation(&ent->render);
 921         CL_BoundingBoxForEntity(&ent->render);
 922         ent->render.flags = RENDER_SHADOW;
 923         if (!r_fullbright.integer)
 924                 ent->render.flags |= RENDER_LIGHT;
 925         VectorSet(ent->render.colormod, 1, 1, 1);
 926         r_refdef.worldentity = &ent->render;
 927         r_refdef.worldmodel = cl.worldmodel;
 928 }
 929
 930 static void CL_RelinkStaticEntities(void)
 931 {
 932         int i;
 933         entity_t *e;
 934         for (i = 0, e = cl_static_entities;i < cl_num_static_entities && r_refdef.numentities < r_refdef.maxentities;i++, e++)
 935         {
 936                 Mod_CheckLoaded(e->render.model);
 937                 e->render.flags = 0;
 938                 // transparent stuff can't be lit during the opaque stage
 939                 if (e->render.effects & (EF_ADDITIVE | EF_NODEPTHTEST) || e->render.alpha < 1)
 940                         e->render.flags |= RENDER_TRANSPARENT;
 941                 // either fullbright or lit
 942                 if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
 943                         e->render.flags |= RENDER_LIGHT;
 944                 // hide player shadow during intermission or nehahra movie
 945                 if (!(e->render.effects & EF_NOSHADOW) && !(e->render.flags & RENDER_TRANSPARENT))
 946                         e->render.flags |= RENDER_SHADOW;
 947                 VectorSet(e->render.colormod, 1, 1, 1);
 948                 R_LerpAnimation(&e->render);
 949                 r_refdef.entities[r_refdef.numentities++] = &e->render;
 950         }
 951 }
 952
 953 /*
 954 ===============
 955 CL_RelinkEntities
 956 ===============
 957 */
 958 static void CL_RelinkNetworkEntities(void)
 959 {
 960         entity_t *ent;
 961         int i;
 962
 963         ent = &cl.viewent;
 964         ent->state_previous = ent->state_current;
 965         ent->state_current = defaultstate;
 966         ent->state_current.time = cl.time;
 967         ent->state_current.number = -1;
 968         ent->state_current.active = true;
 969         ent->state_current.modelindex = cl.stats[STAT_WEAPON];
 970         ent->state_current.frame = cl.stats[STAT_WEAPONFRAME];
 971         ent->state_current.flags = RENDER_VIEWMODEL;
 972         if (cl.stats[STAT_HEALTH] <= 0 || cl.intermission)
 973                 ent->state_current.modelindex = 0;
 974         else if (cl.stats[STAT_ITEMS] & IT_INVISIBILITY)
 975         {
 976                 if (gamemode == GAME_TRANSFUSION)
 977                         ent->state_current.alpha = 128;
 978                 else
 979                         ent->state_current.modelindex = 0;
 980         }
 981
 982         // reset animation interpolation on weaponmodel if model changed
 983         if (ent->state_previous.modelindex != ent->state_current.modelindex)
 984         {
 985                 ent->render.frame = ent->render.frame1 = ent->render.frame2 = ent->state_current.frame;
 986                 ent->render.frame1time = ent->render.frame2time = cl.time;
 987                 ent->render.framelerp = 1;
 988         }
 989
 990         // start on the entity after the world
 991         entitylinkframenumber++;
 992         for (i = 1;i < cl_num_entities;i++)
 993         {
 994                 if (cl_entities_active[i])
 995                 {
 996                         ent = cl_entities + i;
 997                         if (ent->state_current.active)
 998                                 CL_LinkNetworkEntity(ent);
 999                         else
1000                                 cl_entities_active[i] = false;
1001                 }
1002         }
1003         CL_LinkNetworkEntity(&cl.viewent);
1004 }
1005
1006 static void CL_RelinkEffects(void)
1007 {
1008         int i, intframe;
1009         cl_effect_t *e;
1010         entity_t *ent;
1011         float frame;
1012
1013         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
1014         {
1015                 if (e->active)
1016                 {
1017                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
1018                         intframe = frame;
1019                         if (intframe < 0 || intframe >= e->endframe)
1020                         {
1021                                 memset(e, 0, sizeof(*e));
1022                                 continue;
1023                         }
1024
1025                         if (intframe != e->frame)
1026                         {
1027                                 e->frame = intframe;
1028                                 e->frame1time = e->frame2time;
1029                                 e->frame2time = cl.time;
1030                         }
1031
1032                         // if we're drawing effects, get a new temp entity
1033                         // (NewTempEntity adds it to the render entities list for us)
1034                         if (r_draweffects.integer && (ent = CL_NewTempEntity()))
1035                         {
1036                                 // interpolation stuff
1037                                 ent->render.frame1 = intframe;
1038                                 ent->render.frame2 = intframe + 1;
1039                                 if (ent->render.frame2 >= e->endframe)
1040                                         ent->render.frame2 = -1; // disappear
1041                                 ent->render.framelerp = frame - intframe;
1042                                 ent->render.frame1time = e->frame1time;
1043                                 ent->render.frame2time = e->frame2time;
1044
1045                                 // normal stuff
1046                                 ent->render.model = cl.model_precache[e->modelindex];
1047                                 ent->render.frame = ent->render.frame2;
1048                                 ent->render.colormap = -1; // no special coloring
1049                                 ent->render.alpha = 1;
1050                                 VectorSet(ent->render.colormod, 1, 1, 1);
1051
1052                                 Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, e->origin[0], e->origin[1], e->origin[2], 0, 0, 0, 1);
1053                                 Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
1054                                 R_LerpAnimation(&ent->render);
1055                                 CL_BoundingBoxForEntity(&ent->render);
1056                         }
1057                 }
1058         }
1059 }
1060
1061 void CL_RelinkBeams(void)
1062 {
1063         int i;
1064         beam_t *b;
1065         vec3_t dist, org;
1066         float d;
1067         entity_t *ent;
1068         float yaw, pitch;
1069         float forward;
1070         matrix4x4_t tempmatrix;
1071
1072         for (i = 0, b = cl_beams;i < cl_max_beams;i++, b++)
1073         {
1074                 if (!b->model || b->endtime < cl.time)
1075                         continue;
1076
1077                 // if coming from the player, update the start position
1078                 //if (b->entity == cl.viewentity)
1079                 //      VectorCopy (cl_entities[cl.viewentity].render.origin, b->start);
1080                 if (cl_beams_relative.integer && b->entity == cl.viewentity && b->entity && cl_entities[b->entity].state_current.active && b->relativestartvalid)
1081                 {
1082                         entity_state_t *p = &cl_entities[b->entity].state_previous;
1083                         //entity_state_t *c = &cl_entities[b->entity].state_current;
1084                         entity_render_t *r = &cl_entities[b->entity].render;
1085                         matrix4x4_t matrix, imatrix;
1086                         if (b->relativestartvalid == 2)
1087                         {
1088                                 // not really valid yet, we need to get the orientation now
1089                                 // (ParseBeam flagged this because it is received before
1090                                 //  entities are received, by now they have been received)
1091                                 // note: because players create lightning in their think
1092                                 // function (which occurs before movement), they actually
1093                                 // have some lag in it's location, so compare to the
1094                                 // previous player state, not the latest
1095                                 if (b->entity == cl.viewentity)
1096                                         Matrix4x4_CreateFromQuakeEntity(&matrix, p->origin[0], p->origin[1], p->origin[2] + 16, cl.viewangles[0], cl.viewangles[1], cl.viewangles[2], 1);
1097                                 else
1098                                         Matrix4x4_CreateFromQuakeEntity(&matrix, p->origin[0], p->origin[1], p->origin[2] + 16, p->angles[0], p->angles[1], p->angles[2], 1);
1099                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1100                                 Matrix4x4_Transform(&imatrix, b->start, b->relativestart);
1101                                 Matrix4x4_Transform(&imatrix, b->end, b->relativeend);
1102                                 b->relativestartvalid = 1;
1103                         }
1104                         else
1105                         {
1106                                 if (b->entity == cl.viewentity)
1107                                         Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, cl.viewangles[0], cl.viewangles[1], cl.viewangles[2], 1);
1108                                 else
1109                                         Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, r->angles[0], r->angles[1], r->angles[2], 1);
1110                                 Matrix4x4_Transform(&matrix, b->relativestart, b->start);
1111                                 Matrix4x4_Transform(&matrix, b->relativeend, b->end);
1112                         }
1113                 }
1114
1115                 if (b->lightning)
1116                 {
1117                         if (cl_beams_lightatend.integer)
1118                         {
1119                                 // FIXME: create a matrix from the beam start/end orientation
1120                                 Matrix4x4_CreateTranslate(&tempmatrix, b->end[0], b->end[1], b->end[2]);
1121                                 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);
1122                         }
1123                         if (cl_beams_polygons.integer)
1124                                 continue;
1125                 }
1126
1127                 // calculate pitch and yaw
1128                 VectorSubtract (b->end, b->start, dist);
1129
1130                 if (dist[1] == 0 && dist[0] == 0)
1131                 {
1132                         yaw = 0;
1133                         if (dist[2] > 0)
1134                                 pitch = 90;
1135                         else
1136                                 pitch = 270;
1137                 }
1138                 else
1139                 {
1140                         yaw = (int) (atan2(dist[1], dist[0]) * 180 / M_PI);
1141                         if (yaw < 0)
1142                                 yaw += 360;
1143
1144                         forward = sqrt (dist[0]*dist[0] + dist[1]*dist[1]);
1145                         pitch = (int) (atan2(dist[2], forward) * 180 / M_PI);
1146                         if (pitch < 0)
1147                                 pitch += 360;
1148                 }
1149
1150                 // add new entities for the lightning
1151                 VectorCopy (b->start, org);
1152                 d = VectorNormalizeLength(dist);
1153                 while (d > 0)
1154                 {
1155                         ent = CL_NewTempEntity ();
1156                         if (!ent)
1157                                 return;
1158                         //VectorCopy (org, ent->render.origin);
1159                         ent->render.model = b->model;
1160                         //ent->render.effects = EF_FULLBRIGHT;
1161                         //ent->render.angles[0] = pitch;
1162                         //ent->render.angles[1] = yaw;
1163                         //ent->render.angles[2] = rand()%360;
1164                         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, org[0], org[1], org[2], -pitch, yaw, lhrandom(0, 360), 1);
1165                         Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
1166                         R_LerpAnimation(&ent->render);
1167                         CL_BoundingBoxForEntity(&ent->render);
1168                         VectorMA(org, 30, dist, org);
1169                         d -= 30;
1170                 }
1171         }
1172 }
1173
1174 void CL_LerpPlayer(float frac)
1175 {
1176         int i;
1177         float d;
1178
1179         cl.viewzoom = cl.mviewzoom[1] + frac * (cl.mviewzoom[0] - cl.mviewzoom[1]);
1180         for (i = 0;i < 3;i++)
1181         {
1182                 cl.punchangle[i] = cl.mpunchangle[1][i] + frac * (cl.mpunchangle[0][i] - cl.mpunchangle[1][i]);
1183                 cl.punchvector[i] = cl.mpunchvector[1][i] + frac * (cl.mpunchvector[0][i] - cl.mpunchvector[1][i]);
1184                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
1185         }
1186
1187         if (cls.demoplayback)
1188         {
1189                 // interpolate the angles
1190                 for (i = 0;i < 3;i++)
1191                 {
1192                         d = cl.mviewangles[0][i] - cl.mviewangles[1][i];
1193                         if (d > 180)
1194                                 d -= 360;
1195                         else if (d < -180)
1196                                 d += 360;
1197                         cl.viewangles[i] = cl.mviewangles[1][i] + frac * d;
1198                 }
1199         }
1200 }
1201
1202 /*
1203 ===============
1204 CL_ReadFromServer
1205
1206 Read all incoming data from the server
1207 ===============
1208 */
1209 int CL_ReadFromServer(void)
1210 {
1211         CL_ReadDemoMessage();
1212
1213         r_refdef.time = cl.time;
1214         r_refdef.extraupdate = !r_speeds.integer;
1215         r_refdef.numentities = 0;
1216         cl_num_brushmodel_entities = 0;
1217
1218         if (cls.state == ca_connected && cls.signon == SIGNONS)
1219         {
1220                 // prepare for a new frame
1221                 CL_LerpPlayer(CL_LerpPoint());
1222                 CL_DecayLights();
1223                 CL_ClearTempEntities();
1224                 V_DriftPitch();
1225                 V_FadeViewFlashs();
1226
1227                 // relink network entities (note: this sets up the view!)
1228                 CL_RelinkNetworkEntities();
1229
1230                 // move particles
1231                 CL_MoveParticles();
1232                 R_MoveExplosions();
1233
1234                 // link stuff
1235                 CL_RelinkWorld();
1236                 CL_RelinkStaticEntities();
1237                 CL_RelinkBeams();
1238                 CL_RelinkEffects();
1239
1240                 // run cgame code (which can add more entities)
1241                 CL_CGVM_Frame();
1242
1243                 // update view blend
1244                 V_CalcViewBlend();
1245         }
1246
1247         return 0;
1248 }
1249
1250 /*
1251 =================
1252 CL_SendCmd
1253 =================
1254 */
1255 void CL_SendCmd(void)
1256 {
1257         if (cls.signon == SIGNONS)
1258                 CL_SendMove();
1259
1260         if (cls.demoplayback)
1261         {
1262                 SZ_Clear(&cls.message);
1263                 return;
1264         }
1265
1266         // send the reliable message (forwarded commands) if there is one
1267         if (cls.message.cursize && NetConn_CanSendMessage(cls.netcon))
1268         {
1269                 if (developer.integer)
1270                 {
1271                         Con_Print("CL_SendCmd: sending reliable message:\n");
1272                         SZ_HexDumpToConsole(&cls.message);
1273                 }
1274                 if (NetConn_SendReliableMessage(cls.netcon, &cls.message) == -1)
1275                         Host_Error("CL_WriteToServer: lost server connection");
1276                 SZ_Clear(&cls.message);
1277         }
1278 }
1279
1280 // LordHavoc: pausedemo command
1281 static void CL_PauseDemo_f (void)
1282 {
1283         cls.demopaused = !cls.demopaused;
1284         if (cls.demopaused)
1285                 Con_Print("Demo paused\n");
1286         else
1287                 Con_Print("Demo unpaused\n");
1288 }
1289
1290 /*
1291 ======================
1292 CL_Fog_f
1293 ======================
1294 */
1295 static void CL_Fog_f (void)
1296 {
1297         if (Cmd_Argc () == 1)
1298         {
1299                 Con_Printf("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
1300                 return;
1301         }
1302         fog_density = atof(Cmd_Argv(1));
1303         fog_red = atof(Cmd_Argv(2));
1304         fog_green = atof(Cmd_Argv(3));
1305         fog_blue = atof(Cmd_Argv(4));
1306 }
1307
1308 /*
1309 ====================
1310 CL_TimeRefresh_f
1311
1312 For program optimization
1313 ====================
1314 */
1315 static void CL_TimeRefresh_f (void)
1316 {
1317         int i;
1318         float timestart, timedelta, oldangles[3];
1319
1320         r_refdef.extraupdate = false;
1321         VectorCopy(cl.viewangles, oldangles);
1322         VectorClear(cl.viewangles);
1323
1324         timestart = Sys_DoubleTime();
1325         for (i = 0;i < 128;i++)
1326         {
1327                 Matrix4x4_CreateFromQuakeEntity(&r_refdef.viewentitymatrix, r_vieworigin[0], r_vieworigin[1], r_vieworigin[2], 0, i / 128.0 * 360.0, 0, 1);
1328                 CL_UpdateScreen();
1329         }
1330         timedelta = Sys_DoubleTime() - timestart;
1331
1332         VectorCopy(oldangles, cl.viewangles);
1333         Con_Printf("%f seconds (%f fps)\n", timedelta, 128/timedelta);
1334 }
1335
1336 /*
1337 ===========
1338 CL_Shutdown
1339 ===========
1340 */
1341 void CL_Shutdown (void)
1342 {
1343         CL_CGVM_Shutdown();
1344         CL_Particles_Shutdown();
1345         CL_Parse_Shutdown();
1346
1347         Mem_FreePool (&cl_mempool);
1348 }
1349
1350 /*
1351 =================
1352 CL_Init
1353 =================
1354 */
1355 void CL_Init (void)
1356 {
1357         cl_mempool = Mem_AllocPool("client", 0, NULL);
1358
1359         memset(&r_refdef, 0, sizeof(r_refdef));
1360         // max entities sent to renderer per frame
1361         r_refdef.maxentities = MAX_EDICTS + 256 + 512;
1362         r_refdef.entities = Mem_Alloc(cl_mempool, sizeof(entity_render_t *) * r_refdef.maxentities);
1363         // 256k drawqueue buffer
1364         r_refdef.maxdrawqueuesize = 256 * 1024;
1365         r_refdef.drawqueue = Mem_Alloc(cl_mempool, r_refdef.maxdrawqueuesize);
1366
1367         cls.message.data = cls.message_buf;
1368         cls.message.maxsize = sizeof(cls.message_buf);
1369         cls.message.cursize = 0;
1370
1371         CL_InitInput ();
1372
1373 //
1374 // register our commands
1375 //
1376         Cvar_RegisterVariable (&cl_upspeed);
1377         Cvar_RegisterVariable (&cl_forwardspeed);
1378         Cvar_RegisterVariable (&cl_backspeed);
1379         Cvar_RegisterVariable (&cl_sidespeed);
1380         Cvar_RegisterVariable (&cl_movespeedkey);
1381         Cvar_RegisterVariable (&cl_yawspeed);
1382         Cvar_RegisterVariable (&cl_pitchspeed);
1383         Cvar_RegisterVariable (&cl_anglespeedkey);
1384         Cvar_RegisterVariable (&cl_shownet);
1385         Cvar_RegisterVariable (&cl_nolerp);
1386         Cvar_RegisterVariable (&lookspring);
1387         Cvar_RegisterVariable (&lookstrafe);
1388         Cvar_RegisterVariable (&sensitivity);
1389         Cvar_RegisterVariable (&freelook);
1390
1391         Cvar_RegisterVariable (&m_pitch);
1392         Cvar_RegisterVariable (&m_yaw);
1393         Cvar_RegisterVariable (&m_forward);
1394         Cvar_RegisterVariable (&m_side);
1395
1396         Cvar_RegisterVariable (&cl_itembobspeed);
1397         Cvar_RegisterVariable (&cl_itembobheight);
1398
1399         Cmd_AddCommand ("entities", CL_PrintEntities_f);
1400         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
1401         Cmd_AddCommand ("record", CL_Record_f);
1402         Cmd_AddCommand ("stop", CL_Stop_f);
1403         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
1404         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
1405
1406         Cmd_AddCommand ("fog", CL_Fog_f);
1407
1408         // LordHavoc: added pausedemo
1409         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
1410
1411         Cvar_RegisterVariable(&r_draweffects);
1412         Cvar_RegisterVariable(&cl_explosions_alpha_start);
1413         Cvar_RegisterVariable(&cl_explosions_alpha_end);
1414         Cvar_RegisterVariable(&cl_explosions_size_start);
1415         Cvar_RegisterVariable(&cl_explosions_size_end);
1416         Cvar_RegisterVariable(&cl_explosions_lifetime);
1417         Cvar_RegisterVariable(&cl_stainmaps);
1418         Cvar_RegisterVariable(&cl_stainmaps_clearonload);
1419         Cvar_RegisterVariable(&cl_beams_polygons);
1420         Cvar_RegisterVariable(&cl_beams_relative);
1421         Cvar_RegisterVariable(&cl_beams_lightatend);
1422         Cvar_RegisterVariable(&cl_noplayershadow);
1423
1424         Cvar_RegisterVariable(&cl_prydoncursor);
1425
1426         Cmd_AddCommand("timerefresh", CL_TimeRefresh_f);
1427
1428         CL_Parse_Init();
1429         CL_Particles_Init();
1430         CL_Screen_Init();
1431         CL_CGVM_Init();
1432
1433         CL_Video_Init();
1434 }
1435
1436
1437