cl_main.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // cl_main.c  -- client main loop
  21
  22 #include "quakedef.h"
  23 #include "cl_collision.h"
  24 #include "cl_video.h"
  25 #include "image.h"
  26 #include "r_shadow.h"
  27
  28 // we need to declare some mouse variables here, because the menu system
  29 // references them even when on a unix system.
  30
  31 cvar_t cl_shownet = {0, "cl_shownet","0"};
  32 cvar_t cl_nolerp = {0, "cl_nolerp", "0"};
  33
  34 cvar_t cl_itembobheight = {0, "cl_itembobheight", "0"}; // try 8
  35 cvar_t cl_itembobspeed = {0, "cl_itembobspeed", "0.5"};
  36
  37 cvar_t lookspring = {CVAR_SAVE, "lookspring","0"};
  38 cvar_t lookstrafe = {CVAR_SAVE, "lookstrafe","0"};
  39 cvar_t sensitivity = {CVAR_SAVE, "sensitivity","3", 1, 30};
  40
  41 cvar_t m_pitch = {CVAR_SAVE, "m_pitch","0.022"};
  42 cvar_t m_yaw = {CVAR_SAVE, "m_yaw","0.022"};
  43 cvar_t m_forward = {CVAR_SAVE, "m_forward","1"};
  44 cvar_t m_side = {CVAR_SAVE, "m_side","0.8"};
  45
  46 cvar_t freelook = {CVAR_SAVE, "freelook", "1"};
  47
  48 cvar_t r_draweffects = {0, "r_draweffects", "1"};
  49
  50 cvar_t cl_explosions_alpha_start = {CVAR_SAVE, "cl_explosions_alpha_start", "1.5"};
  51 cvar_t cl_explosions_alpha_end = {CVAR_SAVE, "cl_explosions_alpha_end", "0"};
  52 cvar_t cl_explosions_size_start = {CVAR_SAVE, "cl_explosions_size_start", "16"};
  53 cvar_t cl_explosions_size_end = {CVAR_SAVE, "cl_explosions_size_end", "128"};
  54 cvar_t cl_explosions_lifetime = {CVAR_SAVE, "cl_explosions_lifetime", "0.5"};
  55
  56 cvar_t cl_stainmaps = {CVAR_SAVE, "cl_stainmaps", "1"};
  57 cvar_t cl_stainmaps_clearonload = {CVAR_SAVE, "cl_stainmaps_clearonload", "1"};
  58
  59 cvar_t cl_beams_polygons = {CVAR_SAVE, "cl_beams_polygons", "1"};
  60 cvar_t cl_beams_relative = {CVAR_SAVE, "cl_beams_relative", "1"};
  61 cvar_t cl_beams_lightatend = {CVAR_SAVE, "cl_beams_lightatend", "0"};
  62
  63 cvar_t cl_noplayershadow = {CVAR_SAVE, "cl_noplayershadow", "0"};
  64
  65 cvar_t cl_prydoncursor = {0, "cl_prydoncursor", "0"};
  66
  67 cvar_t cl_deathnoviewmodel = {0, "cl_deathnoviewmodel", "1"};
  68
  69 vec3_t cl_playerstandmins;
  70 vec3_t cl_playerstandmaxs;
  71 vec3_t cl_playercrouchmins;
  72 vec3_t cl_playercrouchmaxs;
  73
  74 mempool_t *cl_mempool;
  75
  76 client_static_t cls;
  77 client_state_t  cl;
  78
  79 int cl_max_entities;
  80 int cl_max_static_entities;
  81 int cl_max_temp_entities;
  82 int cl_max_effects;
  83 int cl_max_beams;
  84 int cl_max_dlights;
  85 int cl_max_lightstyle;
  86 int cl_max_brushmodel_entities;
  87 int cl_activedlights;
  88
  89 entity_t *cl_entities;
  90 unsigned char *cl_entities_active;
  91 entity_t *cl_static_entities;
  92 entity_t *cl_temp_entities;
  93 cl_effect_t *cl_effects;
  94 beam_t *cl_beams;
  95 dlight_t *cl_dlights;
  96 lightstyle_t *cl_lightstyle;
  97 int *cl_brushmodel_entities;
  98
  99 int cl_num_entities;
 100 int cl_num_static_entities;
 101 int cl_num_temp_entities;
 102 int cl_num_brushmodel_entities;
 103
 104 // keep track of quake entities because they need to be killed if they get stale
 105 extern int cl_lastquakeentity;
 106 extern unsigned char cl_isquakeentity[MAX_EDICTS];
 107
 108 /*
 109 =====================
 110 CL_ClearState
 111
 112 =====================
 113 */
 114 void CL_ClearState(void)
 115 {
 116         int i;
 117
 118         if (cl_entities) Mem_Free(cl_entities);cl_entities = NULL;
 119         if (cl_entities_active) Mem_Free(cl_entities_active);cl_entities_active = NULL;
 120         if (cl_static_entities) Mem_Free(cl_static_entities);cl_static_entities = NULL;
 121         if (cl_temp_entities) Mem_Free(cl_temp_entities);cl_temp_entities = NULL;
 122         if (cl_effects) Mem_Free(cl_effects);cl_effects = NULL;
 123         if (cl_beams) Mem_Free(cl_beams);cl_beams = NULL;
 124         if (cl_dlights) Mem_Free(cl_dlights);cl_dlights = NULL;
 125         if (cl_lightstyle) Mem_Free(cl_lightstyle);cl_lightstyle = NULL;
 126         if (cl_brushmodel_entities) Mem_Free(cl_brushmodel_entities);cl_brushmodel_entities = NULL;
 127         if (cl.entitydatabase) EntityFrame_FreeDatabase(cl.entitydatabase);cl.entitydatabase = NULL;
 128         if (cl.entitydatabase4) EntityFrame4_FreeDatabase(cl.entitydatabase4);cl.entitydatabase4 = NULL;
 129         if (cl.scores) Mem_Free(cl.scores);cl.scores = NULL;
 130
 131         if (!sv.active)
 132                 Host_ClearMemory ();
 133
 134 // wipe the entire cl structure
 135         memset (&cl, 0, sizeof(cl));
 136         // reset the view zoom interpolation
 137         cl.mviewzoom[0] = cl.mviewzoom[1] = 1;
 138
 139         SZ_Clear (&cls.message);
 140
 141         cl_num_entities = 0;
 142         cl_num_static_entities = 0;
 143         cl_num_temp_entities = 0;
 144         cl_num_brushmodel_entities = 0;
 145
 146         // tweak these if the game runs out
 147         cl_max_entities = 256;
 148         cl_max_static_entities = 256;
 149         cl_max_temp_entities = 512;
 150         cl_max_effects = 256;
 151         cl_max_beams = 256;
 152         cl_max_dlights = MAX_DLIGHTS;
 153         cl_max_lightstyle = MAX_LIGHTSTYLES;
 154         cl_max_brushmodel_entities = MAX_EDICTS;
 155         cl_activedlights = 0;
 156
 157         cl_entities = (entity_t *)Mem_Alloc(cl_mempool, cl_max_entities * sizeof(entity_t));
 158         cl_entities_active = (unsigned char *)Mem_Alloc(cl_mempool, cl_max_brushmodel_entities * sizeof(unsigned char));
 159         cl_static_entities = (entity_t *)Mem_Alloc(cl_mempool, cl_max_static_entities * sizeof(entity_t));
 160         cl_temp_entities = (entity_t *)Mem_Alloc(cl_mempool, cl_max_temp_entities * sizeof(entity_t));
 161         cl_effects = (cl_effect_t *)Mem_Alloc(cl_mempool, cl_max_effects * sizeof(cl_effect_t));
 162         cl_beams = (beam_t *)Mem_Alloc(cl_mempool, cl_max_beams * sizeof(beam_t));
 163         cl_dlights = (dlight_t *)Mem_Alloc(cl_mempool, cl_max_dlights * sizeof(dlight_t));
 164         cl_lightstyle = (lightstyle_t *)Mem_Alloc(cl_mempool, cl_max_lightstyle * sizeof(lightstyle_t));
 165         cl_brushmodel_entities = (int *)Mem_Alloc(cl_mempool, cl_max_brushmodel_entities * sizeof(int));
 166
 167         cl_lastquakeentity = 0;
 168         memset(cl_isquakeentity, 0, sizeof(cl_isquakeentity));
 169
 170         // LordHavoc: have to set up the baseline info for alpha and other stuff
 171         for (i = 0;i < cl_max_entities;i++)
 172         {
 173                 cl_entities[i].state_baseline = defaultstate;
 174                 cl_entities[i].state_previous = defaultstate;
 175                 cl_entities[i].state_current = defaultstate;
 176         }
 177
 178         if (gamemode == GAME_NEXUIZ)
 179         {
 180                 VectorSet(cl_playerstandmins, -16, -16, -24);
 181                 VectorSet(cl_playerstandmaxs, 16, 16, 45);
 182                 VectorSet(cl_playercrouchmins, -16, -16, -24);
 183                 VectorSet(cl_playercrouchmaxs, 16, 16, 25);
 184         }
 185         else
 186         {
 187                 VectorSet(cl_playerstandmins, -16, -16, -24);
 188                 VectorSet(cl_playerstandmaxs, 16, 16, 24);
 189                 VectorSet(cl_playercrouchmins, -16, -16, -24);
 190                 VectorSet(cl_playercrouchmaxs, 16, 16, 24);
 191         }
 192
 193         CL_Screen_NewMap();
 194         CL_Particles_Clear();
 195         CL_CGVM_Clear();
 196 }
 197
 198 void CL_ExpandEntities(int num)
 199 {
 200         int i, oldmaxentities;
 201         entity_t *oldentities;
 202         if (num >= cl_max_entities)
 203         {
 204                 if (!cl_entities)
 205                         Sys_Error("CL_ExpandEntities: cl_entities not initialized");
 206                 if (num >= MAX_EDICTS)
 207                         Host_Error("CL_ExpandEntities: num %i >= %i", num, MAX_EDICTS);
 208                 oldmaxentities = cl_max_entities;
 209                 oldentities = cl_entities;
 210                 cl_max_entities = (num & ~255) + 256;
 211                 cl_entities = (entity_t *)Mem_Alloc(cl_mempool, cl_max_entities * sizeof(entity_t));
 212                 memcpy(cl_entities, oldentities, oldmaxentities * sizeof(entity_t));
 213                 Mem_Free(oldentities);
 214                 for (i = oldmaxentities;i < cl_max_entities;i++)
 215                 {
 216                         cl_entities[i].state_baseline = defaultstate;
 217                         cl_entities[i].state_previous = defaultstate;
 218                         cl_entities[i].state_current = defaultstate;
 219                 }
 220         }
 221 }
 222
 223 /*
 224 =====================
 225 CL_Disconnect
 226
 227 Sends a disconnect message to the server
 228 This is also called on Host_Error, so it shouldn't cause any errors
 229 =====================
 230 */
 231 void CL_Disconnect(void)
 232 {
 233         if (cls.state == ca_dedicated)
 234                 return;
 235
 236         Con_DPrintf("CL_Disconnect\n");
 237
 238 // stop sounds (especially looping!)
 239         S_StopAllSounds ();
 240
 241         // clear contents blends
 242         cl.cshifts[0].percent = 0;
 243         cl.cshifts[1].percent = 0;
 244         cl.cshifts[2].percent = 0;
 245         cl.cshifts[3].percent = 0;
 246
 247         cl.worldmodel = NULL;
 248
 249         if (cls.demoplayback)
 250                 CL_StopPlayback();
 251         else if (cls.netcon)
 252         {
 253                 if (cls.demorecording)
 254                         CL_Stop_f();
 255
 256                 Con_DPrint("Sending clc_disconnect\n");
 257                 SZ_Clear(&cls.message);
 258                 MSG_WriteByte(&cls.message, clc_disconnect);
 259                 NetConn_SendUnreliableMessage(cls.netcon, &cls.message);
 260                 SZ_Clear(&cls.message);
 261                 NetConn_Close(cls.netcon);
 262                 cls.netcon = NULL;
 263         }
 264         cls.state = ca_disconnected;
 265
 266         cls.demoplayback = cls.timedemo = false;
 267         cls.signon = 0;
 268 }
 269
 270 void CL_Disconnect_f(void)
 271 {
 272         CL_Disconnect ();
 273         if (sv.active)
 274                 Host_ShutdownServer (false);
 275 }
 276
 277
 278
 279
 280 /*
 281 =====================
 282 CL_EstablishConnection
 283
 284 Host should be either "local" or a net address
 285 =====================
 286 */
 287 void CL_EstablishConnection(const char *host)
 288 {
 289         if (cls.state == ca_dedicated)
 290                 return;
 291
 292         // clear menu's connect error message
 293         M_Update_Return_Reason("");
 294         cls.demonum = -1;
 295
 296         // stop demo loop in case this fails
 297         CL_Disconnect();
 298
 299         // run a network frame
 300         //NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 301
 302         if (LHNETADDRESS_FromString(&cls.connect_address, host, 26000) && (cls.connect_mysocket = NetConn_ChooseClientSocketForAddress(&cls.connect_address)))
 303         {
 304                 cls.connect_trying = true;
 305                 cls.connect_remainingtries = 3;
 306                 cls.connect_nextsendtime = 0;
 307                 M_Update_Return_Reason("Trying to connect...");
 308                 // run several network frames to jump into the game quickly
 309                 //if (sv.active)
 310                 //{
 311                 //      NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 312                 //      NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 313                 //      NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 314                 //      NetConn_ClientFrame();SV_VM_Begin();NetConn_ServerFrame();SV_VM_End();
 315                 //}
 316         }
 317         else
 318         {
 319                 Con_Print("Unable to find a suitable network socket to connect to server.\n");
 320                 M_Update_Return_Reason("No network");
 321         }
 322 }
 323
 324 /*
 325 ==============
 326 CL_PrintEntities_f
 327 ==============
 328 */
 329 static void CL_PrintEntities_f(void)
 330 {
 331         entity_t *ent;
 332         int i, j;
 333         char name[32];
 334
 335         for (i = 0, ent = cl_entities;i < cl_num_entities;i++, ent++)
 336         {
 337                 if (!ent->state_current.active)
 338                         continue;
 339
 340                 if (ent->render.model)
 341                         strlcpy (name, ent->render.model->name, 25);
 342                 else
 343                         strcpy(name, "--no model--");
 344                 for (j = (int)strlen(name);j < 25;j++)
 345                         name[j] = ' ';
 346                 Con_Printf("%3i: %s:%4i (%5i %5i %5i) [%3i %3i %3i] %4.2f %5.3f\n", i, name, ent->render.frame, (int) ent->render.matrix.m[0][3], (int) ent->render.matrix.m[1][3], (int) ent->render.matrix.m[2][3], (int) ent->render.angles[0] % 360, (int) ent->render.angles[1] % 360, (int) ent->render.angles[2] % 360, ent->render.scale, ent->render.alpha);
 347         }
 348 }
 349
 350 //static const vec3_t nomodelmins = {-16, -16, -16};
 351 //static const vec3_t nomodelmaxs = {16, 16, 16};
 352 void CL_BoundingBoxForEntity(entity_render_t *ent)
 353 {
 354         if (ent->model)
 355         {
 356                 //if (ent->angles[0] || ent->angles[2])
 357                 if (ent->matrix.m[2][0] != 0 || ent->matrix.m[2][1] != 0)
 358                 {
 359                         // pitch or roll
 360                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->rotatedmins[0];
 361                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->rotatedmins[1];
 362                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->rotatedmins[2];
 363                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->rotatedmaxs[0];
 364                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->rotatedmaxs[1];
 365                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->rotatedmaxs[2];
 366                         //VectorAdd(ent->origin, ent->model->rotatedmins, ent->mins);
 367                         //VectorAdd(ent->origin, ent->model->rotatedmaxs, ent->maxs);
 368                 }
 369                 //else if (ent->angles[1])
 370                 else if (ent->matrix.m[0][1] != 0 || ent->matrix.m[1][0] != 0)
 371                 {
 372                         // yaw
 373                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->yawmins[0];
 374                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->yawmins[1];
 375                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->yawmins[2];
 376                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->yawmaxs[0];
 377                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->yawmaxs[1];
 378                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->yawmaxs[2];
 379                         //VectorAdd(ent->origin, ent->model->yawmins, ent->mins);
 380                         //VectorAdd(ent->origin, ent->model->yawmaxs, ent->maxs);
 381                 }
 382                 else
 383                 {
 384                         ent->mins[0] = ent->matrix.m[0][3] + ent->model->normalmins[0];
 385                         ent->mins[1] = ent->matrix.m[1][3] + ent->model->normalmins[1];
 386                         ent->mins[2] = ent->matrix.m[2][3] + ent->model->normalmins[2];
 387                         ent->maxs[0] = ent->matrix.m[0][3] + ent->model->normalmaxs[0];
 388                         ent->maxs[1] = ent->matrix.m[1][3] + ent->model->normalmaxs[1];
 389                         ent->maxs[2] = ent->matrix.m[2][3] + ent->model->normalmaxs[2];
 390                         //VectorAdd(ent->origin, ent->model->normalmins, ent->mins);
 391                         //VectorAdd(ent->origin, ent->model->normalmaxs, ent->maxs);
 392                 }
 393         }
 394         else
 395         {
 396                 ent->mins[0] = ent->matrix.m[0][3] - 16;
 397                 ent->mins[1] = ent->matrix.m[1][3] - 16;
 398                 ent->mins[2] = ent->matrix.m[2][3] - 16;
 399                 ent->maxs[0] = ent->matrix.m[0][3] + 16;
 400                 ent->maxs[1] = ent->matrix.m[1][3] + 16;
 401                 ent->maxs[2] = ent->matrix.m[2][3] + 16;
 402                 //VectorAdd(ent->origin, nomodelmins, ent->mins);
 403                 //VectorAdd(ent->origin, nomodelmaxs, ent->maxs);
 404         }
 405 }
 406
 407 /*
 408 ===============
 409 CL_LerpPoint
 410
 411 Determines the fraction between the last two messages that the objects
 412 should be put at.
 413 ===============
 414 */
 415 static float CL_LerpPoint(void)
 416 {
 417         float f;
 418
 419         // dropped packet, or start of demo
 420         if (cl.mtime[1] < cl.mtime[0] - 0.1)
 421                 cl.mtime[1] = cl.mtime[0] - 0.1;
 422
 423         cl.time = bound(cl.mtime[1], cl.time, cl.mtime[0]);
 424
 425         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 426         f = cl.mtime[0] - cl.mtime[1];
 427         if (!f || cl_nolerp.integer || cls.timedemo || (cl.islocalgame && !sv_fixedframeratesingleplayer.integer))
 428         {
 429                 cl.time = cl.mtime[0];
 430                 return 1;
 431         }
 432
 433         f = (cl.time - cl.mtime[1]) / f;
 434         return bound(0, f, 1);
 435 }
 436
 437 void CL_ClearTempEntities (void)
 438 {
 439         cl_num_temp_entities = 0;
 440 }
 441
 442 entity_t *CL_NewTempEntity(void)
 443 {
 444         entity_t *ent;
 445
 446         if (r_refdef.numentities >= r_refdef.maxentities)
 447                 return NULL;
 448         if (cl_num_temp_entities >= cl_max_temp_entities)
 449                 return NULL;
 450         ent = &cl_temp_entities[cl_num_temp_entities++];
 451         memset (ent, 0, sizeof(*ent));
 452         r_refdef.entities[r_refdef.numentities++] = &ent->render;
 453
 454         ent->render.colormap = -1; // no special coloring
 455         ent->render.scale = 1;
 456         ent->render.alpha = 1;
 457         VectorSet(ent->render.colormod, 1, 1, 1);
 458         return ent;
 459 }
 460
 461 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
 462 {
 463         int i;
 464         cl_effect_t *e;
 465         if (!modelindex) // sanity check
 466                 return;
 467         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
 468         {
 469                 if (e->active)
 470                         continue;
 471                 e->active = true;
 472                 VectorCopy(org, e->origin);
 473                 e->modelindex = modelindex;
 474                 e->starttime = cl.time;
 475                 e->startframe = startframe;
 476                 e->endframe = startframe + framecount;
 477                 e->framerate = framerate;
 478
 479                 e->frame = 0;
 480                 e->frame1time = cl.time;
 481                 e->frame2time = cl.time;
 482                 break;
 483         }
 484 }
 485
 486 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)
 487 {
 488         int i;
 489         dlight_t *dl;
 490
 491         /*
 492 // first look for an exact key match
 493         if (ent)
 494         {
 495                 dl = cl_dlights;
 496                 for (i = 0;i < cl_activedlights;i++, dl++)
 497                         if (dl->ent == ent)
 498                                 goto dlightsetup;
 499         }
 500         */
 501
 502 // then look for anything else
 503         dl = cl_dlights;
 504         for (i = 0;i < cl_activedlights;i++, dl++)
 505                 if (!dl->radius)
 506                         goto dlightsetup;
 507         // if we hit the end of the active dlights and found no gaps, add a new one
 508         if (i < MAX_DLIGHTS)
 509         {
 510                 cl_activedlights = i + 1;
 511                 goto dlightsetup;
 512         }
 513
 514         // unable to find one
 515         return;
 516
 517 dlightsetup:
 518         //Con_Printf("dlight %i : %f %f %f : %f %f %f\n", i, org[0], org[1], org[2], red * radius, green * radius, blue * radius);
 519         memset (dl, 0, sizeof(*dl));
 520         Matrix4x4_Normalize(&dl->matrix, matrix);
 521         dl->ent = ent;
 522         dl->origin[0] = dl->matrix.m[0][3];
 523         dl->origin[1] = dl->matrix.m[1][3];
 524         dl->origin[2] = dl->matrix.m[2][3];
 525         CL_FindNonSolidLocation(dl->origin, dl->origin, 6);
 526         dl->matrix.m[0][3] = dl->origin[0];
 527         dl->matrix.m[1][3] = dl->origin[1];
 528         dl->matrix.m[2][3] = dl->origin[2];
 529         dl->radius = radius;
 530         dl->color[0] = red;
 531         dl->color[1] = green;
 532         dl->color[2] = blue;
 533         dl->decay = decay;
 534         if (lifetime)
 535                 dl->die = cl.time + lifetime;
 536         else
 537                 dl->die = 0;
 538         dl->cubemapnum = cubemapnum;
 539         dl->style = style;
 540         dl->shadow = shadowenable;
 541         dl->corona = corona;
 542         dl->flags = flags;
 543         dl->coronasizescale = coronasizescale;
 544         dl->ambientscale = ambientscale;
 545         dl->diffusescale = diffusescale;
 546         dl->specularscale = specularscale;
 547 }
 548
 549 // called before entity relinking
 550 void CL_DecayLights(void)
 551 {
 552         int i, oldmax;
 553         dlight_t *dl;
 554         float time, f;
 555
 556         time = cl.time - cl.oldtime;
 557         oldmax = cl_activedlights;
 558         cl_activedlights = 0;
 559         for (i = 0, dl = cl_dlights;i < oldmax;i++, dl++)
 560         {
 561                 if (dl->radius)
 562                 {
 563                         f = dl->radius - time * dl->decay;
 564                         if (cl.time < dl->die && f > 0)
 565                         {
 566                                 dl->radius = dl->radius - time * dl->decay;
 567                                 cl_activedlights = i + 1;
 568                         }
 569                         else
 570                                 dl->radius = 0;
 571                 }
 572         }
 573 }
 574
 575 // called after entity relinking
 576 void CL_UpdateLights(void)
 577 {
 578         int i, j, k, l;
 579         dlight_t *dl;
 580         float frac, f;
 581
 582         r_refdef.numlights = 0;
 583         if (r_dynamic.integer)
 584         {
 585                 for (i = 0, dl = cl_dlights;i < cl_activedlights;i++, dl++)
 586                 {
 587                         if (dl->radius)
 588                         {
 589                                 R_RTLight_Update(dl, false);
 590                                 r_refdef.lights[r_refdef.numlights++] = dl;
 591                         }
 592                 }
 593         }
 594
 595 // light animations
 596 // 'm' is normal light, 'a' is no light, 'z' is double bright
 597         f = cl.time * 10;
 598         i = (int)floor(f);
 599         frac = f - i;
 600         for (j = 0;j < MAX_LIGHTSTYLES;j++)
 601         {
 602                 if (!cl_lightstyle || !cl_lightstyle[j].length)
 603                 {
 604                         r_refdef.lightstylevalue[j] = 256;
 605                         continue;
 606                 }
 607                 k = i % cl_lightstyle[j].length;
 608                 l = (i-1) % cl_lightstyle[j].length;
 609                 k = cl_lightstyle[j].map[k] - 'a';
 610                 l = cl_lightstyle[j].map[l] - 'a';
 611                 r_refdef.lightstylevalue[j] = ((k*frac)+(l*(1-frac)))*22;
 612         }
 613 }
 614
 615 #define MAXVIEWMODELS 32
 616 entity_t *viewmodels[MAXVIEWMODELS];
 617 int numviewmodels;
 618
 619 matrix4x4_t viewmodelmatrix;
 620
 621 static int entitylinkframenumber;
 622
 623 static const vec3_t muzzleflashorigin = {18, 0, 0};
 624
 625 extern void V_DriftPitch(void);
 626 extern void V_FadeViewFlashs(void);
 627 extern void V_CalcViewBlend(void);
 628
 629 extern void V_CalcRefdef(void);
 630 // note this is a recursive function, but it can never get in a runaway loop (because of the delayedlink flags)
 631 void CL_LinkNetworkEntity(entity_t *e)
 632 {
 633         matrix4x4_t *matrix, blendmatrix, tempmatrix, matrix2;
 634         //matrix4x4_t dlightmatrix;
 635         int j, k, l, trailtype, temp;
 636         float origin[3], angles[3], delta[3], lerp, dlightcolor[3], dlightradius, mins[3], maxs[3], v2[3], d;
 637         entity_t *t;
 638         model_t *model;
 639         trace_t trace;
 640         //entity_persistent_t *p = &e->persistent;
 641         //entity_render_t *r = &e->render;
 642         if (e->persistent.linkframe != entitylinkframenumber)
 643         {
 644                 e->persistent.linkframe = entitylinkframenumber;
 645                 // skip inactive entities and world
 646                 if (!e->state_current.active || e == cl_entities)
 647                         return;
 648                 e->render.alpha = e->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 649                 e->render.scale = e->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 650                 e->render.flags = e->state_current.flags;
 651                 e->render.effects = e->state_current.effects;
 652                 VectorScale(e->state_current.colormod, (1.0f / 32.0f), e->render.colormod);
 653                 if (e->state_current.flags & RENDER_COLORMAPPED)
 654                 {
 655                         int cb;
 656                         unsigned char *cbcolor;
 657                         e->render.colormap = e->state_current.colormap;
 658                         cb = (e->render.colormap & 0xF) << 4;cb += (cb >= 128 && cb < 224) ? 4 : 12;
 659                         cbcolor = (unsigned char *) (&palette_complete[cb]);
 660                         e->render.colormap_pantscolor[0] = cbcolor[0] * (1.0f / 255.0f) * e->render.colormod[0];
 661                         e->render.colormap_pantscolor[1] = cbcolor[1] * (1.0f / 255.0f) * e->render.colormod[1];
 662                         e->render.colormap_pantscolor[2] = cbcolor[2] * (1.0f / 255.0f) * e->render.colormod[2];
 663                         cb = (e->render.colormap & 0xF0);cb += (cb >= 128 && cb < 224) ? 4 : 12;
 664                         cbcolor = (unsigned char *) (&palette_complete[cb]);
 665                         e->render.colormap_shirtcolor[0] = cbcolor[0] * (1.0f / 255.0f) * e->render.colormod[0];
 666                         e->render.colormap_shirtcolor[1] = cbcolor[1] * (1.0f / 255.0f) * e->render.colormod[1];
 667                         e->render.colormap_shirtcolor[2] = cbcolor[2] * (1.0f / 255.0f) * e->render.colormod[2];
 668                 }
 669                 else if (e->state_current.colormap && cl.scores != NULL)
 670                 {
 671                         int cb;
 672                         unsigned char *cbcolor;
 673                         e->render.colormap = cl.scores[e->state_current.colormap - 1].colors; // color it
 674                         cb = (e->render.colormap & 0xF) << 4;cb += (cb >= 128 && cb < 224) ? 4 : 12;
 675                         cbcolor = (unsigned char *) (&palette_complete[cb]);
 676                         e->render.colormap_pantscolor[0] = cbcolor[0] * (1.0f / 255.0f) * e->render.colormod[0];
 677                         e->render.colormap_pantscolor[1] = cbcolor[1] * (1.0f / 255.0f) * e->render.colormod[1];
 678                         e->render.colormap_pantscolor[2] = cbcolor[2] * (1.0f / 255.0f) * e->render.colormod[2];
 679                         cb = (e->render.colormap & 0xF0);cb += (cb >= 128 && cb < 224) ? 4 : 12;
 680                         cbcolor = (unsigned char *) (&palette_complete[cb]);
 681                         e->render.colormap_shirtcolor[0] = cbcolor[0] * (1.0f / 255.0f) * e->render.colormod[0];
 682                         e->render.colormap_shirtcolor[1] = cbcolor[1] * (1.0f / 255.0f) * e->render.colormod[1];
 683                         e->render.colormap_shirtcolor[2] = cbcolor[2] * (1.0f / 255.0f) * e->render.colormod[2];
 684                 }
 685                 else
 686                 {
 687                         e->render.colormap = -1; // no special coloring
 688                         VectorClear(e->render.colormap_pantscolor);
 689                         VectorClear(e->render.colormap_shirtcolor);
 690                 }
 691                 e->render.skinnum = e->state_current.skin;
 692                 if (e->render.flags & RENDER_VIEWMODEL && !e->state_current.tagentity)
 693                 {
 694                         if (!r_drawviewmodel.integer || chase_active.integer || envmap)
 695                                 return;
 696                         if (cl.viewentity)
 697                                 CL_LinkNetworkEntity(cl_entities + cl.viewentity);
 698                         matrix = &viewmodelmatrix;
 699                         if (e == &cl.viewent && cl_entities[cl.viewentity].state_current.active)
 700                         {
 701                                 e->state_current.alpha = cl_entities[cl.viewentity].state_current.alpha;
 702                                 e->state_current.effects = EF_NOSHADOW | (cl_entities[cl.viewentity].state_current.effects & (EF_ADDITIVE | EF_REFLECTIVE | EF_FULLBRIGHT | EF_NODEPTHTEST));
 703                         }
 704                 }
 705                 else
 706                 {
 707                         // if the tag entity is currently impossible, skip it
 708                         if (e->state_current.tagentity >= cl_num_entities)
 709                                 return;
 710                         t = cl_entities + e->state_current.tagentity;
 711                         // if the tag entity is inactive, skip it
 712                         if (!t->state_current.active)
 713                                 return;
 714                         // note: this can link to world
 715                         CL_LinkNetworkEntity(t);
 716                         // make relative to the entity
 717                         matrix = &t->render.matrix;
 718                         // some properties of the tag entity carry over
 719                         e->render.flags |= t->render.flags & (RENDER_EXTERIORMODEL | RENDER_VIEWMODEL);
 720                         // if a valid tagindex is used, make it relative to that tag instead
 721                         // FIXME: use a model function to get tag info (need to handle skeletal)
 722                         if (e->state_current.tagentity && e->state_current.tagindex >= 1 && (model = t->render.model))
 723                         {
 724                                 // blend the matrices
 725                                 memset(&blendmatrix, 0, sizeof(blendmatrix));
 726                                 for (j = 0;j < 4 && t->render.frameblend[j].lerp > 0;j++)
 727                                 {
 728                                         matrix4x4_t tagmatrix;
 729                                         Mod_Alias_GetTagMatrix(model, t->render.frameblend[j].frame, e->state_current.tagindex - 1, &tagmatrix);
 730                                         d = t->render.frameblend[j].lerp;
 731                                         for (l = 0;l < 4;l++)
 732                                                 for (k = 0;k < 4;k++)
 733                                                         blendmatrix.m[l][k] += d * tagmatrix.m[l][k];
 734                                 }
 735                                 // concat the tag matrices onto the entity matrix
 736                                 Matrix4x4_Concat(&tempmatrix, &t->render.matrix, &blendmatrix);
 737                                 // use the constructed tag matrix
 738                                 matrix = &tempmatrix;
 739                         }
 740                 }
 741
 742                 // movement lerp
 743                 // if it's the player entity, update according to client movement
 744                 if (e == cl_entities + cl.playerentity && cl.movement)
 745                 {
 746                         lerp = (cl.time - cl.mtime[1]) / (cl.mtime[0] - cl.mtime[1]);
 747                         lerp = bound(0, lerp, 1);
 748                         VectorLerp(cl.movement_oldorigin, lerp, cl.movement_origin, origin);
 749                         VectorSet(angles, 0, cl.viewangles[1], 0);
 750                 }
 751                 else if (e->persistent.lerpdeltatime > 0 && (lerp = (cl.time - e->persistent.lerpstarttime) / e->persistent.lerpdeltatime) < 1)
 752                 {
 753                         // interpolate the origin and angles
 754                         VectorLerp(e->persistent.oldorigin, lerp, e->persistent.neworigin, origin);
 755                         VectorSubtract(e->persistent.newangles, e->persistent.oldangles, delta);
 756                         if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
 757                         if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
 758                         if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
 759                         VectorMA(e->persistent.oldangles, lerp, delta, angles);
 760                 }
 761                 else
 762                 {
 763                         // no interpolation
 764                         VectorCopy(e->persistent.neworigin, origin);
 765                         VectorCopy(e->persistent.newangles, angles);
 766                 }
 767
 768                 // model setup and some modelflags
 769                 e->render.model = cl.model_precache[e->state_current.modelindex];
 770                 if (e->render.model)
 771                 {
 772                         // if model is alias or this is a tenebrae-like dlight, reverse pitch direction
 773                         if (e->render.model->type == mod_alias || (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC))
 774                                 angles[0] = -angles[0];
 775                         if ((e->render.model->flags & EF_ROTATE) && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
 776                         {
 777                                 angles[1] = ANGLEMOD(100*cl.time);
 778                                 if (cl_itembobheight.value)
 779                                         origin[2] += (cos(cl.time * cl_itembobspeed.value * (2.0 * M_PI)) + 1.0) * 0.5 * cl_itembobheight.value;
 780                         }
 781                         // transfer certain model flags to effects
 782                         e->render.effects |= e->render.model->flags2 & (EF_FULLBRIGHT | EF_ADDITIVE);
 783                         if (cl_prydoncursor.integer && (e->render.effects & EF_SELECTABLE) && cl.cmd.cursor_entitynumber == e->state_current.number)
 784                                 VectorScale(e->render.colormod, 2, e->render.colormod);
 785                 }
 786
 787                 // animation lerp
 788                 if (e->render.frame2 == e->state_current.frame)
 789                 {
 790                         // update frame lerp fraction
 791                         e->render.framelerp = 1;
 792                         if (e->render.frame2time > e->render.frame1time)
 793                         {
 794                                 // make sure frame lerp won't last longer than 100ms
 795                                 // (this mainly helps with models that use framegroups and
 796                                 // switch between them infrequently)
 797                                 e->render.framelerp = (cl.time - e->render.frame2time) / min(e->render.frame2time - e->render.frame1time, 0.1);
 798                                 e->render.framelerp = bound(0, e->render.framelerp, 1);
 799                         }
 800                 }
 801                 else
 802                 {
 803                         // begin a new frame lerp
 804                         e->render.frame1 = e->render.frame2;
 805                         e->render.frame1time = e->render.frame2time;
 806                         e->render.frame = e->render.frame2 = e->state_current.frame;
 807                         e->render.frame2time = cl.time;
 808                         e->render.framelerp = 0;
 809                 }
 810                 R_LerpAnimation(&e->render);
 811
 812                 // set up the render matrix
 813                 // FIXME: e->render.scale should go away
 814                 Matrix4x4_CreateFromQuakeEntity(&matrix2, origin[0], origin[1], origin[2], angles[0], angles[1], angles[2], e->render.scale);
 815                 // concat the matrices to make the entity relative to its tag
 816                 Matrix4x4_Concat(&e->render.matrix, matrix, &matrix2);
 817                 // make the other useful stuff
 818                 Matrix4x4_Invert_Simple(&e->render.inversematrix, &e->render.matrix);
 819                 CL_BoundingBoxForEntity(&e->render);
 820
 821                 // handle effects now that we know where this entity is in the world...
 822                 if (e->render.model && e->render.model->soundfromcenter)
 823                 {
 824                         // bmodels are treated specially since their origin is usually '0 0 0'
 825                         vec3_t o;
 826                         VectorMAM(0.5f, e->render.model->normalmins, 0.5f, e->render.model->normalmaxs, o);
 827                         Matrix4x4_Transform(&e->render.matrix, o, origin);
 828                 }
 829                 else
 830                 {
 831                         origin[0] = e->render.matrix.m[0][3];
 832                         origin[1] = e->render.matrix.m[1][3];
 833                         origin[2] = e->render.matrix.m[2][3];
 834                 }
 835                 trailtype = -1;
 836                 dlightradius = 0;
 837                 dlightcolor[0] = 0;
 838                 dlightcolor[1] = 0;
 839                 dlightcolor[2] = 0;
 840                 // LordHavoc: if the entity has no effects, don't check each
 841                 if (e->render.effects)
 842                 {
 843                         if (e->render.effects & EF_BRIGHTFIELD)
 844                         {
 845                                 if (gamemode == GAME_NEXUIZ)
 846                                 {
 847                                         dlightradius = max(dlightradius, 200);
 848                                         dlightcolor[0] += 0.75f;
 849                                         dlightcolor[1] += 1.50f;
 850                                         dlightcolor[2] += 3.00f;
 851                                         trailtype = 8;
 852                                 }
 853                                 else
 854                                         CL_EntityParticles(e);
 855                         }
 856                         if (e->render.effects & EF_MUZZLEFLASH)
 857                                 e->persistent.muzzleflash = 1.0f;
 858                         if (e->render.effects & EF_DIMLIGHT)
 859                         {
 860                                 dlightradius = max(dlightradius, 200);
 861                                 dlightcolor[0] += 1.50f;
 862                                 dlightcolor[1] += 1.50f;
 863                                 dlightcolor[2] += 1.50f;
 864                         }
 865                         if (e->render.effects & EF_BRIGHTLIGHT)
 866                         {
 867                                 dlightradius = max(dlightradius, 400);
 868                                 dlightcolor[0] += 3.00f;
 869                                 dlightcolor[1] += 3.00f;
 870                                 dlightcolor[2] += 3.00f;
 871                         }
 872                         // LordHavoc: more effects
 873                         if (e->render.effects & EF_RED) // red
 874                         {
 875                                 dlightradius = max(dlightradius, 200);
 876                                 dlightcolor[0] += 1.50f;
 877                                 dlightcolor[1] += 0.15f;
 878                                 dlightcolor[2] += 0.15f;
 879                         }
 880                         if (e->render.effects & EF_BLUE) // blue
 881                         {
 882                                 dlightradius = max(dlightradius, 200);
 883                                 dlightcolor[0] += 0.15f;
 884                                 dlightcolor[1] += 0.15f;
 885                                 dlightcolor[2] += 1.50f;
 886                         }
 887                         if (e->render.effects & EF_FLAME)
 888                         {
 889                                 mins[0] = origin[0] - 16.0f;
 890                                 mins[1] = origin[1] - 16.0f;
 891                                 mins[2] = origin[2] - 16.0f;
 892                                 maxs[0] = origin[0] + 16.0f;
 893                                 maxs[1] = origin[1] + 16.0f;
 894                                 maxs[2] = origin[2] + 16.0f;
 895                                 // how many flames to make
 896                                 temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
 897                                 CL_FlameCube(mins, maxs, temp);
 898                                 d = lhrandom(0.75f, 1);
 899                                 dlightradius = max(dlightradius, 200);
 900                                 dlightcolor[0] += d * 2.0f;
 901                                 dlightcolor[1] += d * 1.5f;
 902                                 dlightcolor[2] += d * 0.5f;
 903                         }
 904                         if (e->render.effects & EF_STARDUST)
 905                         {
 906                                 mins[0] = origin[0] - 16.0f;
 907                                 mins[1] = origin[1] - 16.0f;
 908                                 mins[2] = origin[2] - 16.0f;
 909                                 maxs[0] = origin[0] + 16.0f;
 910                                 maxs[1] = origin[1] + 16.0f;
 911                                 maxs[2] = origin[2] + 16.0f;
 912                                 // how many particles to make
 913                                 temp = (int) (cl.time * 200) - (int) (cl.oldtime * 200);
 914                                 CL_Stardust(mins, maxs, temp);
 915                                 dlightradius = max(dlightradius, 200);
 916                                 dlightcolor[0] += 1.0f;
 917                                 dlightcolor[1] += 0.7f;
 918                                 dlightcolor[2] += 0.3f;
 919                         }
 920                 }
 921                 // muzzleflash fades over time, and is offset a bit
 922                 if (e->persistent.muzzleflash > 0)
 923                 {
 924                         Matrix4x4_Transform(&e->render.matrix, muzzleflashorigin, v2);
 925                         trace = CL_TraceBox(origin, vec3_origin, vec3_origin, v2, true, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_SKY, false);
 926                         tempmatrix = e->render.matrix;
 927                         tempmatrix.m[0][3] = trace.endpos[0];
 928                         tempmatrix.m[1][3] = trace.endpos[1];
 929                         tempmatrix.m[2][3] = trace.endpos[2];
 930                         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);
 931                         e->persistent.muzzleflash -= cl.frametime * 10;
 932                 }
 933                 // LordHavoc: if the model has no flags, don't check each
 934                 if (e->render.model && e->render.model->flags && (!e->state_current.tagentity && !(e->render.flags & RENDER_VIEWMODEL)))
 935                 {
 936                         if (e->render.model->flags & EF_GIB)
 937                                 trailtype = 2;
 938                         else if (e->render.model->flags & EF_ZOMGIB)
 939                                 trailtype = 4;
 940                         else if (e->render.model->flags & EF_TRACER)
 941                         {
 942                                 trailtype = 3;
 943                                 //dlightradius = max(dlightradius, 100);
 944                                 //dlightcolor[0] += 0.25f;
 945                                 //dlightcolor[1] += 1.00f;
 946                                 //dlightcolor[2] += 0.25f;
 947                         }
 948                         else if (e->render.model->flags & EF_TRACER2)
 949                         {
 950                                 trailtype = 5;
 951                                 //dlightradius = max(dlightradius, 100);
 952                                 //dlightcolor[0] += 1.00f;
 953                                 //dlightcolor[1] += 0.60f;
 954                                 //dlightcolor[2] += 0.20f;
 955                         }
 956                         else if (e->render.model->flags & EF_ROCKET)
 957                         {
 958                                 trailtype = 0;
 959                                 dlightradius = max(dlightradius, 200);
 960                                 dlightcolor[0] += 3.00f;
 961                                 dlightcolor[1] += 1.50f;
 962                                 dlightcolor[2] += 0.50f;
 963                         }
 964                         else if (e->render.model->flags & EF_GRENADE)
 965                         {
 966                                 // LordHavoc: e->render.alpha == -1 is for Nehahra dem compatibility (cigar smoke)
 967                                 trailtype = e->render.alpha == -1 ? 7 : 1;
 968                         }
 969                         else if (e->render.model->flags & EF_TRACER3)
 970                         {
 971                                 trailtype = 6;
 972                                 if (gamemode == GAME_PRYDON)
 973                                 {
 974                                         dlightradius = max(dlightradius, 100);
 975                                         dlightcolor[0] += 0.30f;
 976                                         dlightcolor[1] += 0.60f;
 977                                         dlightcolor[2] += 1.20f;
 978                                 }
 979                                 else
 980                                 {
 981                                         dlightradius = max(dlightradius, 200);
 982                                         dlightcolor[0] += 1.20f;
 983                                         dlightcolor[1] += 0.50f;
 984                                         dlightcolor[2] += 1.00f;
 985                                 }
 986                         }
 987                 }
 988                 // LordHavoc: customizable glow
 989                 if (e->state_current.glowsize)
 990                 {
 991                         // * 4 for the expansion from 0-255 to 0-1023 range,
 992                         // / 255 to scale down byte colors
 993                         dlightradius = max(dlightradius, e->state_current.glowsize * 4);
 994                         VectorMA(dlightcolor, (1.0f / 255.0f), (unsigned char *)&palette_complete[e->state_current.glowcolor], dlightcolor);
 995                 }
 996                 // make the glow dlight
 997                 if (dlightradius > 0 && (dlightcolor[0] || dlightcolor[1] || dlightcolor[2]) && !(e->render.flags & RENDER_VIEWMODEL))
 998                 {
 999                         //dlightmatrix = e->render.matrix;
1000                         // hack to make glowing player light shine on their gun
1001                         //if (e->state_current.number == cl.viewentity/* && !chase_active.integer*/)
1002                         //      dlightmatrix.m[2][3] += 30;
1003                         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);
1004                 }
1005                 // custom rtlight
1006                 if (e->state_current.lightpflags & PFLAGS_FULLDYNAMIC)
1007                 {
1008                         float light[4];
1009                         VectorScale(e->state_current.light, (1.0f / 256.0f), light);
1010                         light[3] = e->state_current.light[3];
1011                         if (light[0] == 0 && light[1] == 0 && light[2] == 0)
1012                                 VectorSet(light, 1, 1, 1);
1013                         if (light[3] == 0)
1014                                 light[3] = 350;
1015                         // FIXME: add ambient/diffuse/specular scales as an extension ontop of TENEBRAE_GFX_DLIGHTS?
1016                         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);
1017                 }
1018                 // do trails
1019                 if (e->render.flags & RENDER_GLOWTRAIL)
1020                         trailtype = 9;
1021                 if (trailtype >= 0)
1022                         CL_RocketTrail(e->persistent.trail_origin, origin, trailtype, e->state_current.glowcolor, e);
1023                 VectorCopy(origin, e->persistent.trail_origin);
1024                 // tenebrae's sprites are all additive mode (weird)
1025                 if (gamemode == GAME_TENEBRAE && e->render.model && e->render.model->type == mod_sprite)
1026                         e->render.effects |= EF_ADDITIVE;
1027                 // player model is only shown with chase_active on
1028                 if (e->state_current.number == cl.viewentity)
1029                         e->render.flags |= RENDER_EXTERIORMODEL;
1030                 // transparent stuff can't be lit during the opaque stage
1031                 if (e->render.effects & (EF_ADDITIVE | EF_NODEPTHTEST) || e->render.alpha < 1)
1032                         e->render.flags |= RENDER_TRANSPARENT;
1033                 // double sided rendering mode causes backfaces to be visible
1034                 // (mostly useful on transparent stuff)
1035                 if (e->render.effects & EF_DOUBLESIDED)
1036                         e->render.flags |= RENDER_NOCULLFACE;
1037                 // either fullbright or lit
1038                 if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
1039                         e->render.flags |= RENDER_LIGHT;
1040                 // hide player shadow during intermission or nehahra movie
1041                 if (!(e->render.effects & EF_NOSHADOW)
1042                  && !(e->render.flags & (RENDER_VIEWMODEL | RENDER_TRANSPARENT))
1043                  && (!(e->render.flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cl.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
1044                         e->render.flags |= RENDER_SHADOW;
1045                 // as soon as player is known we can call V_CalcRefDef
1046                 if (e->state_current.number == cl.viewentity)
1047                         V_CalcRefdef();
1048                 if (e->render.model && e->render.model->name[0] == '*' && e->render.model->TraceBox)
1049                         cl_brushmodel_entities[cl_num_brushmodel_entities++] = e->state_current.number;
1050                 // don't show entities with no modelindex (note: this still shows
1051                 // entities which have a modelindex that resolved to a NULL model)
1052                 if (e->render.model && !(e->render.effects & EF_NODRAW) && r_refdef.numentities < r_refdef.maxentities)
1053                         r_refdef.entities[r_refdef.numentities++] = &e->render;
1054                 //if (cl.viewentity && e->state_current.number == cl.viewentity)
1055                 //      Matrix4x4_Print(&e->render.matrix);
1056         }
1057 }
1058
1059 void CL_RelinkWorld(void)
1060 {
1061         entity_t *ent = &cl_entities[0];
1062         cl_brushmodel_entities[cl_num_brushmodel_entities++] = 0;
1063         // FIXME: this should be done at load
1064         Matrix4x4_CreateIdentity(&ent->render.matrix);
1065         Matrix4x4_CreateIdentity(&ent->render.inversematrix);
1066         R_LerpAnimation(&ent->render);
1067         CL_BoundingBoxForEntity(&ent->render);
1068         ent->render.flags = RENDER_SHADOW;
1069         if (!r_fullbright.integer)
1070                 ent->render.flags |= RENDER_LIGHT;
1071         VectorSet(ent->render.colormod, 1, 1, 1);
1072         r_refdef.worldentity = &ent->render;
1073         r_refdef.worldmodel = cl.worldmodel;
1074 }
1075
1076 static void CL_RelinkStaticEntities(void)
1077 {
1078         int i;
1079         entity_t *e;
1080         for (i = 0, e = cl_static_entities;i < cl_num_static_entities && r_refdef.numentities < r_refdef.maxentities;i++, e++)
1081         {
1082                 e->render.flags = 0;
1083                 // transparent stuff can't be lit during the opaque stage
1084                 if (e->render.effects & (EF_ADDITIVE | EF_NODEPTHTEST) || e->render.alpha < 1)
1085                         e->render.flags |= RENDER_TRANSPARENT;
1086                 // either fullbright or lit
1087                 if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
1088                         e->render.flags |= RENDER_LIGHT;
1089                 // hide player shadow during intermission or nehahra movie
1090                 if (!(e->render.effects & EF_NOSHADOW) && !(e->render.flags & RENDER_TRANSPARENT))
1091                         e->render.flags |= RENDER_SHADOW;
1092                 VectorSet(e->render.colormod, 1, 1, 1);
1093                 R_LerpAnimation(&e->render);
1094                 r_refdef.entities[r_refdef.numentities++] = &e->render;
1095         }
1096 }
1097
1098 /*
1099 ===============
1100 CL_RelinkEntities
1101 ===============
1102 */
1103 static void CL_RelinkNetworkEntities(void)
1104 {
1105         entity_t *ent;
1106         int i;
1107
1108         ent = &cl.viewent;
1109         ent->state_previous = ent->state_current;
1110         ent->state_current = defaultstate;
1111         ent->state_current.time = cl.time;
1112         ent->state_current.number = -1;
1113         ent->state_current.active = true;
1114         ent->state_current.modelindex = cl.stats[STAT_WEAPON];
1115         ent->state_current.frame = cl.stats[STAT_WEAPONFRAME];
1116         ent->state_current.flags = RENDER_VIEWMODEL;
1117         if ((cl.stats[STAT_HEALTH] <= 0 && cl_deathnoviewmodel.integer) || cl.intermission)
1118                 ent->state_current.modelindex = 0;
1119         else if (cl.stats[STAT_ITEMS] & IT_INVISIBILITY)
1120         {
1121                 if (gamemode == GAME_TRANSFUSION)
1122                         ent->state_current.alpha = 128;
1123                 else
1124                         ent->state_current.modelindex = 0;
1125         }
1126
1127         // reset animation interpolation on weaponmodel if model changed
1128         if (ent->state_previous.modelindex != ent->state_current.modelindex)
1129         {
1130                 ent->render.frame = ent->render.frame1 = ent->render.frame2 = ent->state_current.frame;
1131                 ent->render.frame1time = ent->render.frame2time = cl.time;
1132                 ent->render.framelerp = 1;
1133         }
1134
1135         // start on the entity after the world
1136         entitylinkframenumber++;
1137         for (i = 1;i < cl_num_entities;i++)
1138         {
1139                 if (cl_entities_active[i])
1140                 {
1141                         ent = cl_entities + i;
1142                         if (ent->state_current.active)
1143                                 CL_LinkNetworkEntity(ent);
1144                         else
1145                                 cl_entities_active[i] = false;
1146                 }
1147         }
1148         CL_LinkNetworkEntity(&cl.viewent);
1149 }
1150
1151 static void CL_RelinkEffects(void)
1152 {
1153         int i, intframe;
1154         cl_effect_t *e;
1155         entity_t *ent;
1156         float frame;
1157
1158         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
1159         {
1160                 if (e->active)
1161                 {
1162                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
1163                         intframe = frame;
1164                         if (intframe < 0 || intframe >= e->endframe)
1165                         {
1166                                 memset(e, 0, sizeof(*e));
1167                                 continue;
1168                         }
1169
1170                         if (intframe != e->frame)
1171                         {
1172                                 e->frame = intframe;
1173                                 e->frame1time = e->frame2time;
1174                                 e->frame2time = cl.time;
1175                         }
1176
1177                         // if we're drawing effects, get a new temp entity
1178                         // (NewTempEntity adds it to the render entities list for us)
1179                         if (r_draweffects.integer && (ent = CL_NewTempEntity()))
1180                         {
1181                                 // interpolation stuff
1182                                 ent->render.frame1 = intframe;
1183                                 ent->render.frame2 = intframe + 1;
1184                                 if (ent->render.frame2 >= e->endframe)
1185                                         ent->render.frame2 = -1; // disappear
1186                                 ent->render.framelerp = frame - intframe;
1187                                 ent->render.frame1time = e->frame1time;
1188                                 ent->render.frame2time = e->frame2time;
1189
1190                                 // normal stuff
1191                                 ent->render.model = cl.model_precache[e->modelindex];
1192                                 ent->render.frame = ent->render.frame2;
1193                                 ent->render.colormap = -1; // no special coloring
1194                                 ent->render.alpha = 1;
1195                                 VectorSet(ent->render.colormod, 1, 1, 1);
1196
1197                                 Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, e->origin[0], e->origin[1], e->origin[2], 0, 0, 0, 1);
1198                                 Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
1199                                 R_LerpAnimation(&ent->render);
1200                                 CL_BoundingBoxForEntity(&ent->render);
1201                         }
1202                 }
1203         }
1204 }
1205
1206 void CL_RelinkBeams(void)
1207 {
1208         int i;
1209         beam_t *b;
1210         vec3_t dist, org;
1211         float d;
1212         entity_t *ent;
1213         float yaw, pitch;
1214         float forward;
1215         matrix4x4_t tempmatrix;
1216
1217         for (i = 0, b = cl_beams;i < cl_max_beams;i++, b++)
1218         {
1219                 if (!b->model || b->endtime < cl.time)
1220                         continue;
1221
1222                 // if coming from the player, update the start position
1223                 //if (b->entity == cl.viewentity)
1224                 //      Matrix4x4_OriginFromMatrix(&cl_entities[cl.viewentity].render.matrix, b->start);
1225                 if (cl_beams_relative.integer && b->entity && cl_entities[b->entity].state_current.active && b->relativestartvalid)
1226                 {
1227                         entity_render_t *r = &cl_entities[b->entity].render;
1228                         //Matrix4x4_OriginFromMatrix(&r->matrix, origin);
1229                         //Matrix4x4_CreateFromQuakeEntity(&matrix, r->origin[0], r->origin[1], r->origin[2] + 16, r->angles[0], r->angles[1], r->angles[2], 1);
1230                         Matrix4x4_Transform(&r->matrix, b->relativestart, b->start);
1231                         Matrix4x4_Transform(&r->matrix, b->relativeend, b->end);
1232                 }
1233
1234                 if (b->lightning)
1235                 {
1236                         if (cl_beams_lightatend.integer)
1237                         {
1238                                 // FIXME: create a matrix from the beam start/end orientation
1239                                 Matrix4x4_CreateTranslate(&tempmatrix, b->end[0], b->end[1], b->end[2]);
1240                                 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);
1241                         }
1242                         if (cl_beams_polygons.integer)
1243                                 continue;
1244                 }
1245
1246                 // calculate pitch and yaw
1247                 VectorSubtract (b->end, b->start, dist);
1248
1249                 if (dist[1] == 0 && dist[0] == 0)
1250                 {
1251                         yaw = 0;
1252                         if (dist[2] > 0)
1253                                 pitch = 90;
1254                         else
1255                                 pitch = 270;
1256                 }
1257                 else
1258                 {
1259                         yaw = (int) (atan2(dist[1], dist[0]) * 180 / M_PI);
1260                         if (yaw < 0)
1261                                 yaw += 360;
1262
1263                         forward = sqrt (dist[0]*dist[0] + dist[1]*dist[1]);
1264                         pitch = (int) (atan2(dist[2], forward) * 180 / M_PI);
1265                         if (pitch < 0)
1266                                 pitch += 360;
1267                 }
1268
1269                 // add new entities for the lightning
1270                 VectorCopy (b->start, org);
1271                 d = VectorNormalizeLength(dist);
1272                 while (d > 0)
1273                 {
1274                         ent = CL_NewTempEntity ();
1275                         if (!ent)
1276                                 return;
1277                         //VectorCopy (org, ent->render.origin);
1278                         ent->render.model = b->model;
1279                         //ent->render.effects = EF_FULLBRIGHT;
1280                         //ent->render.angles[0] = pitch;
1281                         //ent->render.angles[1] = yaw;
1282                         //ent->render.angles[2] = rand()%360;
1283                         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, org[0], org[1], org[2], -pitch, yaw, lhrandom(0, 360), 1);
1284                         Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
1285                         R_LerpAnimation(&ent->render);
1286                         CL_BoundingBoxForEntity(&ent->render);
1287                         VectorMA(org, 30, dist, org);
1288                         d -= 30;
1289                 }
1290         }
1291 }
1292
1293 void CL_LerpPlayer(float frac)
1294 {
1295         int i;
1296         float d;
1297
1298         cl.viewzoom = cl.mviewzoom[1] + frac * (cl.mviewzoom[0] - cl.mviewzoom[1]);
1299         for (i = 0;i < 3;i++)
1300         {
1301                 cl.punchangle[i] = cl.mpunchangle[1][i] + frac * (cl.mpunchangle[0][i] - cl.mpunchangle[1][i]);
1302                 cl.punchvector[i] = cl.mpunchvector[1][i] + frac * (cl.mpunchvector[0][i] - cl.mpunchvector[1][i]);
1303                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
1304         }
1305
1306         if (cls.demoplayback)
1307         {
1308                 // interpolate the angles
1309                 for (i = 0;i < 3;i++)
1310                 {
1311                         d = cl.mviewangles[0][i] - cl.mviewangles[1][i];
1312                         if (d > 180)
1313                                 d -= 360;
1314                         else if (d < -180)
1315                                 d += 360;
1316                         cl.viewangles[i] = cl.mviewangles[1][i] + frac * d;
1317                 }
1318         }
1319 }
1320
1321 /*
1322 ===============
1323 CL_ReadFromServer
1324
1325 Read all incoming data from the server
1326 ===============
1327 */
1328 extern void CL_ClientMovement_Replay();
1329 int CL_ReadFromServer(void)
1330 {
1331         CL_ReadDemoMessage();
1332
1333         r_refdef.time = cl.time;
1334         r_refdef.extraupdate = !r_speeds.integer;
1335         r_refdef.numentities = 0;
1336         Matrix4x4_CreateIdentity(&r_refdef.viewentitymatrix);
1337         cl_num_brushmodel_entities = 0;
1338
1339         if (cls.state == ca_connected && cls.signon == SIGNONS)
1340         {
1341                 // prepare for a new frame
1342                 CL_LerpPlayer(CL_LerpPoint());
1343                 CL_DecayLights();
1344                 CL_ClearTempEntities();
1345                 V_DriftPitch();
1346                 V_FadeViewFlashs();
1347
1348                 // relink network entities (note: this sets up the view!)
1349                 CL_ClientMovement_Replay();
1350                 CL_RelinkNetworkEntities();
1351
1352                 // move particles
1353                 CL_MoveParticles();
1354                 R_MoveExplosions();
1355
1356                 // link stuff
1357                 CL_RelinkWorld();
1358                 CL_RelinkStaticEntities();
1359                 CL_RelinkBeams();
1360                 CL_RelinkEffects();
1361
1362                 // run cgame code (which can add more entities)
1363                 CL_CGVM_Frame();
1364
1365                 CL_UpdateLights();
1366
1367                 // update view blend
1368                 V_CalcViewBlend();
1369         }
1370
1371         return 0;
1372 }
1373
1374 /*
1375 =================
1376 CL_SendCmd
1377 =================
1378 */
1379 void CL_UpdatePrydonCursor(void);
1380 void CL_SendCmd(void)
1381 {
1382         if (cls.demoplayback)
1383         {
1384                 SZ_Clear(&cls.message);
1385                 return;
1386         }
1387
1388         // send the reliable message (forwarded commands) if there is one
1389         if (cls.message.cursize && NetConn_CanSendMessage(cls.netcon))
1390         {
1391                 if (developer.integer)
1392                 {
1393                         Con_Print("CL_SendCmd: sending reliable message:\n");
1394                         SZ_HexDumpToConsole(&cls.message);
1395                 }
1396                 if (NetConn_SendReliableMessage(cls.netcon, &cls.message) == -1)
1397                         Host_Error("CL_WriteToServer: lost server connection");
1398                 SZ_Clear(&cls.message);
1399         }
1400 }
1401
1402 // LordHavoc: pausedemo command
1403 static void CL_PauseDemo_f (void)
1404 {
1405         cls.demopaused = !cls.demopaused;
1406         if (cls.demopaused)
1407                 Con_Print("Demo paused\n");
1408         else
1409                 Con_Print("Demo unpaused\n");
1410 }
1411
1412 /*
1413 ======================
1414 CL_Fog_f
1415 ======================
1416 */
1417 static void CL_Fog_f (void)
1418 {
1419         if (Cmd_Argc () == 1)
1420         {
1421                 Con_Printf("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
1422                 return;
1423         }
1424         fog_density = atof(Cmd_Argv(1));
1425         fog_red = atof(Cmd_Argv(2));
1426         fog_green = atof(Cmd_Argv(3));
1427         fog_blue = atof(Cmd_Argv(4));
1428 }
1429
1430 /*
1431 ====================
1432 CL_TimeRefresh_f
1433
1434 For program optimization
1435 ====================
1436 */
1437 static void CL_TimeRefresh_f (void)
1438 {
1439         int i;
1440         float timestart, timedelta, oldangles[3];
1441
1442         r_refdef.extraupdate = false;
1443         VectorCopy(cl.viewangles, oldangles);
1444         VectorClear(cl.viewangles);
1445
1446         timestart = Sys_DoubleTime();
1447         for (i = 0;i < 128;i++)
1448         {
1449                 Matrix4x4_CreateFromQuakeEntity(&r_refdef.viewentitymatrix, r_vieworigin[0], r_vieworigin[1], r_vieworigin[2], 0, i / 128.0 * 360.0, 0, 1);
1450                 CL_UpdateScreen();
1451         }
1452         timedelta = Sys_DoubleTime() - timestart;
1453
1454         VectorCopy(oldangles, cl.viewangles);
1455         Con_Printf("%f seconds (%f fps)\n", timedelta, 128/timedelta);
1456 }
1457
1458 /*
1459 ===========
1460 CL_Shutdown
1461 ===========
1462 */
1463 void CL_Shutdown (void)
1464 {
1465         CL_CGVM_Shutdown();
1466         CL_Particles_Shutdown();
1467         CL_Parse_Shutdown();
1468
1469         Mem_FreePool (&cl_mempool);
1470 }
1471
1472 /*
1473 =================
1474 CL_Init
1475 =================
1476 */
1477 void CL_Init (void)
1478 {
1479         cl_mempool = Mem_AllocPool("client", 0, NULL);
1480
1481         memset(&r_refdef, 0, sizeof(r_refdef));
1482         // max entities sent to renderer per frame
1483         r_refdef.maxentities = MAX_EDICTS + 256 + 512;
1484         r_refdef.entities = (entity_render_t **)Mem_Alloc(cl_mempool, sizeof(entity_render_t *) * r_refdef.maxentities);
1485         // 256k drawqueue buffer
1486         // TODO: make dynamic
1487         r_refdef.maxdrawqueuesize = 256 * 1024;
1488         r_refdef.drawqueue = (unsigned char *)Mem_Alloc(cl_mempool, r_refdef.maxdrawqueuesize);
1489
1490         cls.message.data = cls.message_buf;
1491         cls.message.maxsize = sizeof(cls.message_buf);
1492         cls.message.cursize = 0;
1493
1494         CL_InitInput ();
1495
1496 //
1497 // register our commands
1498 //
1499         Cvar_RegisterVariable (&cl_upspeed);
1500         Cvar_RegisterVariable (&cl_forwardspeed);
1501         Cvar_RegisterVariable (&cl_backspeed);
1502         Cvar_RegisterVariable (&cl_sidespeed);
1503         Cvar_RegisterVariable (&cl_movespeedkey);
1504         Cvar_RegisterVariable (&cl_yawspeed);
1505         Cvar_RegisterVariable (&cl_pitchspeed);
1506         Cvar_RegisterVariable (&cl_anglespeedkey);
1507         Cvar_RegisterVariable (&cl_shownet);
1508         Cvar_RegisterVariable (&cl_nolerp);
1509         Cvar_RegisterVariable (&lookspring);
1510         Cvar_RegisterVariable (&lookstrafe);
1511         Cvar_RegisterVariable (&sensitivity);
1512         Cvar_RegisterVariable (&freelook);
1513
1514         Cvar_RegisterVariable (&m_pitch);
1515         Cvar_RegisterVariable (&m_yaw);
1516         Cvar_RegisterVariable (&m_forward);
1517         Cvar_RegisterVariable (&m_side);
1518
1519         Cvar_RegisterVariable (&cl_itembobspeed);
1520         Cvar_RegisterVariable (&cl_itembobheight);
1521
1522         Cmd_AddCommand ("entities", CL_PrintEntities_f);
1523         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
1524         Cmd_AddCommand ("record", CL_Record_f);
1525         Cmd_AddCommand ("stop", CL_Stop_f);
1526         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
1527         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
1528
1529         Cmd_AddCommand ("fog", CL_Fog_f);
1530
1531         // LordHavoc: added pausedemo
1532         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
1533
1534         Cvar_RegisterVariable(&r_draweffects);
1535         Cvar_RegisterVariable(&cl_explosions_alpha_start);
1536         Cvar_RegisterVariable(&cl_explosions_alpha_end);
1537         Cvar_RegisterVariable(&cl_explosions_size_start);
1538         Cvar_RegisterVariable(&cl_explosions_size_end);
1539         Cvar_RegisterVariable(&cl_explosions_lifetime);
1540         Cvar_RegisterVariable(&cl_stainmaps);
1541         Cvar_RegisterVariable(&cl_stainmaps_clearonload);
1542         Cvar_RegisterVariable(&cl_beams_polygons);
1543         Cvar_RegisterVariable(&cl_beams_relative);
1544         Cvar_RegisterVariable(&cl_beams_lightatend);
1545         Cvar_RegisterVariable(&cl_noplayershadow);
1546
1547         Cvar_RegisterVariable(&cl_prydoncursor);
1548
1549         Cvar_RegisterVariable(&cl_deathnoviewmodel);
1550
1551         Cmd_AddCommand("timerefresh", CL_TimeRefresh_f);
1552
1553         CL_Parse_Init();
1554         CL_Particles_Init();
1555         CL_Screen_Init();
1556         CL_CGVM_Init();
1557
1558         CL_Video_Init();
1559 }
1560
1561
1562