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