gl_rmain.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 // r_main.c
  21
  22 #include "quakedef.h"
  23
  24 //static qboolean       r_cache_thrash;         // compatability
  25
  26 entity_render_t *currentrenderentity;
  27
  28 int                     r_framecount;           // used for dlight push checking
  29
  30 mplane_t        frustum[4];
  31
  32 int                     c_brush_polys, c_alias_polys, c_light_polys, c_faces, c_nodes, c_leafs, c_models, c_bmodels, c_sprites, c_particles, c_dlights;
  33
  34 qboolean        envmap;                         // true during envmap command capture
  35
  36 // LordHavoc: moved all code related to particles into r_part.c
  37 //int                   particletexture;        // little dot for particles
  38 //int                   playertextures;         // up to 16 color translated skins
  39
  40 //
  41 // view origin
  42 //
  43 vec3_t  vup;
  44 vec3_t  vpn;
  45 vec3_t  vright;
  46 vec3_t  r_origin;
  47
  48 //float r_world_matrix[16];
  49 //float r_base_world_matrix[16];
  50
  51 //
  52 // screen size info
  53 //
  54 refdef_t        r_refdef;
  55
  56 mleaf_t         *r_viewleaf, *r_oldviewleaf;
  57
  58 unsigned short  d_lightstylevalue[256]; // 8.8 fraction of base light value
  59
  60 //cvar_t        r_norefresh = {0, "r_norefresh","0"};
  61 cvar_t  r_drawentities = {0, "r_drawentities","1"};
  62 cvar_t  r_drawviewmodel = {0, "r_drawviewmodel","1"};
  63 cvar_t  r_speeds = {0, "r_speeds","0"};
  64 cvar_t  r_fullbright = {0, "r_fullbright","0"};
  65 //cvar_t        r_lightmap = {0, "r_lightmap","0"};
  66 cvar_t  r_wateralpha = {CVAR_SAVE, "r_wateralpha","1"};
  67 cvar_t  r_dynamic = {CVAR_SAVE, "r_dynamic","1"};
  68 cvar_t  r_waterripple = {CVAR_SAVE, "r_waterripple","0"};
  69 cvar_t  r_fullbrights = {CVAR_SAVE, "r_fullbrights", "1"};
  70
  71 //cvar_t        r_dynamicbothsides = {CVAR_SAVE, "r_dynamicbothsides", "1"}; // LordHavoc: can disable dynamic lighting of backfaces, but quake maps are weird so it doesn't always work right...
  72
  73 cvar_t  gl_fogenable = {0, "gl_fogenable", "0"};
  74 cvar_t  gl_fogdensity = {0, "gl_fogdensity", "0.25"};
  75 cvar_t  gl_fogred = {0, "gl_fogred","0.3"};
  76 cvar_t  gl_foggreen = {0, "gl_foggreen","0.3"};
  77 cvar_t  gl_fogblue = {0, "gl_fogblue","0.3"};
  78 cvar_t  gl_fogstart = {0, "gl_fogstart", "0"};
  79 cvar_t  gl_fogend = {0, "gl_fogend","0"};
  80
  81 cvar_t  r_ser = {CVAR_SAVE, "r_ser", "1"};
  82 //cvar_t        gl_viewmodeldepthhack = {0, "gl_viewmodeldepthhack", "1"};
  83
  84 cvar_t r_multitexture = {0, "r_multitexture", "1"};
  85
  86 /*
  87 ====================
  88 R_TimeRefresh_f
  89
  90 For program optimization
  91 ====================
  92 */
  93 qboolean intimerefresh = 0;
  94 static void R_TimeRefresh_f (void)
  95 {
  96         int                     i;
  97         float           start, stop, time;
  98
  99         intimerefresh = 1;
 100         start = Sys_DoubleTime ();
 101         //qglDrawBuffer (GL_FRONT);
 102         for (i = 0;i < 128;i++)
 103         {
 104                 r_refdef.viewangles[0] = 0;
 105                 r_refdef.viewangles[1] = i/128.0*360.0;
 106                 r_refdef.viewangles[2] = 0;
 107                 CL_UpdateScreen();
 108                 //R_RenderView();
 109         }
 110         //qglDrawBuffer  (GL_BACK);
 111
 112         stop = Sys_DoubleTime ();
 113         intimerefresh = 0;
 114         time = stop-start;
 115         Con_Printf ("%f seconds (%f fps)\n", time, 128/time);
 116 }
 117
 118 extern cvar_t r_drawportals;
 119
 120 int R_VisibleCullBox (vec3_t mins, vec3_t maxs)
 121 {
 122         int sides;
 123         mnode_t *nodestack[8192], *node;
 124         int stack = 0;
 125
 126         if (R_CullBox(mins, maxs))
 127                 return true;
 128
 129         node = cl.worldmodel->nodes;
 130 loc0:
 131         if (node->contents < 0)
 132         {
 133                 if (((mleaf_t *)node)->visframe == r_framecount)
 134                         return false;
 135                 if (!stack)
 136                         return true;
 137                 node = nodestack[--stack];
 138                 goto loc0;
 139         }
 140
 141         sides = BOX_ON_PLANE_SIDE(mins, maxs, node->plane);
 142
 143 // recurse down the contacted sides
 144         if (sides & 1)
 145         {
 146                 if (sides & 2) // 3
 147                 {
 148                         // put second child on the stack for later examination
 149                         nodestack[stack++] = node->children[1];
 150                         node = node->children[0];
 151                         goto loc0;
 152                 }
 153                 else // 1
 154                 {
 155                         node = node->children[0];
 156                         goto loc0;
 157                 }
 158         }
 159         // 2
 160         node = node->children[1];
 161         goto loc0;
 162 }
 163
 164 vec3_t fogcolor;
 165 vec_t fogdensity;
 166 float fog_density, fog_red, fog_green, fog_blue;
 167 qboolean fogenabled;
 168 qboolean oldgl_fogenable;
 169 void R_SetupFog(void)
 170 {
 171         if (gamemode == GAME_NEHAHRA)
 172         {
 173                 if (gl_fogenable.integer)
 174                 {
 175                         oldgl_fogenable = true;
 176                         fog_density = gl_fogdensity.value;
 177                         fog_red = gl_fogred.value;
 178                         fog_green = gl_foggreen.value;
 179                         fog_blue = gl_fogblue.value;
 180                 }
 181                 else if (oldgl_fogenable)
 182                 {
 183                         oldgl_fogenable = false;
 184                         fog_density = 0;
 185                         fog_red = 0;
 186                         fog_green = 0;
 187                         fog_blue = 0;
 188                 }
 189         }
 190         if (fog_density)
 191         {
 192                 fogcolor[0] = fog_red   = bound(0.0f, fog_red  , 1.0f);
 193                 fogcolor[1] = fog_green = bound(0.0f, fog_green, 1.0f);
 194                 fogcolor[2] = fog_blue  = bound(0.0f, fog_blue , 1.0f);
 195         }
 196         if (fog_density)
 197         {
 198                 fogenabled = true;
 199                 fogdensity = -4000.0f / (fog_density * fog_density);
 200                 // fog color was already set
 201         }
 202         else
 203                 fogenabled = false;
 204 }
 205
 206 // FIXME: move this to client?
 207 void FOG_clear(void)
 208 {
 209         if (gamemode == GAME_NEHAHRA)
 210         {
 211                 Cvar_Set("gl_fogenable", "0");
 212                 Cvar_Set("gl_fogdensity", "0.2");
 213                 Cvar_Set("gl_fogred", "0.3");
 214                 Cvar_Set("gl_foggreen", "0.3");
 215                 Cvar_Set("gl_fogblue", "0.3");
 216         }
 217         fog_density = fog_red = fog_green = fog_blue = 0.0f;
 218 }
 219
 220 // FIXME: move this to client?
 221 void FOG_registercvars(void)
 222 {
 223         if (gamemode == GAME_NEHAHRA)
 224         {
 225                 Cvar_RegisterVariable (&gl_fogenable);
 226                 Cvar_RegisterVariable (&gl_fogdensity);
 227                 Cvar_RegisterVariable (&gl_fogred);
 228                 Cvar_RegisterVariable (&gl_foggreen);
 229                 Cvar_RegisterVariable (&gl_fogblue);
 230                 Cvar_RegisterVariable (&gl_fogstart);
 231                 Cvar_RegisterVariable (&gl_fogend);
 232         }
 233 }
 234
 235 void gl_main_start(void)
 236 {
 237 }
 238
 239 void gl_main_shutdown(void)
 240 {
 241 }
 242
 243 void gl_main_newmap(void)
 244 {
 245         r_framecount = 1;
 246 }
 247
 248 void GL_Main_Init(void)
 249 {
 250 // FIXME: move this to client?
 251         FOG_registercvars();
 252         Cmd_AddCommand ("timerefresh", R_TimeRefresh_f);
 253         Cvar_RegisterVariable (&r_drawentities);
 254         Cvar_RegisterVariable (&r_drawviewmodel);
 255         Cvar_RegisterVariable (&r_speeds);
 256 //      Cvar_RegisterVariable (&r_dynamicwater);
 257 //      Cvar_RegisterVariable (&r_dynamicbothsides);
 258         Cvar_RegisterVariable (&r_fullbrights);
 259         Cvar_RegisterVariable (&r_wateralpha);
 260         Cvar_RegisterVariable (&r_dynamic);
 261         Cvar_RegisterVariable (&r_waterripple);
 262         Cvar_RegisterVariable (&r_fullbright);
 263         Cvar_RegisterVariable (&r_ser);
 264 //      Cvar_RegisterVariable (&gl_viewmodeldepthhack);
 265         Cvar_RegisterVariable (&r_multitexture);
 266         if (gamemode == GAME_NEHAHRA)
 267                 Cvar_SetValue("r_fullbrights", 0);
 268         R_RegisterModule("GL_Main", gl_main_start, gl_main_shutdown, gl_main_newmap);
 269 }
 270
 271 /*
 272 ===============
 273 R_NewMap
 274 ===============
 275 */
 276 void CL_ParseEntityLump(char *entitystring);
 277 void R_NewMap (void)
 278 {
 279         int             i;
 280
 281         for (i=0 ; i<256 ; i++)
 282                 d_lightstylevalue[i] = 264;             // normal light value
 283
 284         r_viewleaf = NULL;
 285         if (cl.worldmodel->entities)
 286                 CL_ParseEntityLump(cl.worldmodel->entities);
 287         R_Modules_NewMap();
 288 }
 289
 290 extern void R_Textures_Init(void);
 291 extern void Mod_RenderInit(void);
 292 extern void GL_Draw_Init(void);
 293 extern void GL_Main_Init(void);
 294 extern void GL_Models_Init(void);
 295 extern void R_Sky_Init(void);
 296 extern void GL_Surf_Init(void);
 297 extern void R_Crosshairs_Init(void);
 298 extern void R_Light_Init(void);
 299 extern void R_Particles_Init(void);
 300 extern void R_Explosion_Init(void);
 301 extern void R_Clip_Init(void);
 302 extern void ui_init(void);
 303 extern void gl_backend_init(void);
 304
 305 void Render_Init(void)
 306 {
 307         R_Modules_Shutdown();
 308         R_Textures_Init();
 309         Mod_RenderInit();
 310         gl_backend_init();
 311         R_Clip_Init();
 312         GL_Draw_Init();
 313         GL_Main_Init();
 314         GL_Models_Init();
 315         R_Sky_Init();
 316         GL_Surf_Init();
 317         R_Crosshairs_Init();
 318         R_Light_Init();
 319         R_Particles_Init();
 320         R_Explosion_Init();
 321         ui_init();
 322         R_Modules_Start();
 323 }
 324
 325 /*
 326 ===============
 327 GL_Init
 328 ===============
 329 */
 330 extern char *ENGINE_EXTENSIONS;
 331 void GL_Init (void)
 332 {
 333         gl_vendor = glGetString (GL_VENDOR);
 334         Con_Printf ("GL_VENDOR: %s\n", gl_vendor);
 335         gl_renderer = glGetString (GL_RENDERER);
 336         Con_Printf ("GL_RENDERER: %s\n", gl_renderer);
 337
 338         gl_version = glGetString (GL_VERSION);
 339         Con_Printf ("GL_VERSION: %s\n", gl_version);
 340         gl_extensions = glGetString (GL_EXTENSIONS);
 341         Con_Printf ("GL_EXTENSIONS: %s\n", gl_extensions);
 342
 343 //      Con_Printf ("%s %s\n", gl_renderer, gl_version);
 344
 345         VID_CheckExtensions();
 346
 347         // LordHavoc: report supported extensions
 348         Con_Printf ("\nengine extensions: %s\n", ENGINE_EXTENSIONS);
 349
 350         qglCullFace(GL_FRONT);
 351         qglEnable(GL_TEXTURE_2D);
 352
 353 //      qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
 354 }
 355
 356
 357 //==================================================================================
 358
 359 void R_Entity_Callback(void *data, void *junk)
 360 {
 361         ((entity_render_t *)data)->visframe = r_framecount;
 362 }
 363
 364 static void R_MarkEntities (void)
 365 {
 366         int             i;
 367         vec3_t  v;
 368
 369         if (!r_drawentities.integer)
 370                 return;
 371
 372         for (i = 0;i < r_refdef.numentities;i++)
 373         {
 374                 currentrenderentity = r_refdef.entities[i];
 375                 Mod_CheckLoaded(currentrenderentity->model);
 376
 377                 // move view-relative models to where they should be
 378                 if (currentrenderentity->flags & RENDER_VIEWMODEL)
 379                 {
 380                         // remove flag so it will not be repeated incase RelinkEntities is not called again for a while
 381                         currentrenderentity->flags -= RENDER_VIEWMODEL;
 382                         // transform origin
 383                         VectorCopy(currentrenderentity->origin, v);
 384                         currentrenderentity->origin[0] = v[0] * vpn[0] + v[1] * vright[0] + v[2] * vup[0] + r_origin[0];
 385                         currentrenderentity->origin[1] = v[0] * vpn[1] + v[1] * vright[1] + v[2] * vup[1] + r_origin[1];
 386                         currentrenderentity->origin[2] = v[0] * vpn[2] + v[1] * vright[2] + v[2] * vup[2] + r_origin[2];
 387                         // adjust angles
 388                         VectorAdd(currentrenderentity->angles, r_refdef.viewangles, currentrenderentity->angles);
 389                 }
 390
 391                 if (currentrenderentity->angles[0] || currentrenderentity->angles[2])
 392                 {
 393                         VectorMA(currentrenderentity->origin, currentrenderentity->scale, currentrenderentity->model->rotatedmins, currentrenderentity->mins);
 394                         VectorMA(currentrenderentity->origin, currentrenderentity->scale, currentrenderentity->model->rotatedmaxs, currentrenderentity->maxs);
 395                 }
 396                 else if (currentrenderentity->angles[1])
 397                 {
 398                         VectorMA(currentrenderentity->origin, currentrenderentity->scale, currentrenderentity->model->yawmins, currentrenderentity->mins);
 399                         VectorMA(currentrenderentity->origin, currentrenderentity->scale, currentrenderentity->model->yawmaxs, currentrenderentity->maxs);
 400                 }
 401                 else
 402                 {
 403                         VectorMA(currentrenderentity->origin, currentrenderentity->scale, currentrenderentity->model->normalmins, currentrenderentity->mins);
 404                         VectorMA(currentrenderentity->origin, currentrenderentity->scale, currentrenderentity->model->normalmaxs, currentrenderentity->maxs);
 405                 }
 406                 if (R_VisibleCullBox(currentrenderentity->mins, currentrenderentity->maxs))
 407                         continue;
 408
 409                 R_LerpAnimation(currentrenderentity);
 410                 if (r_ser.integer)
 411                         currentrenderentity->model->SERAddEntity();
 412                 else
 413                         currentrenderentity->visframe = r_framecount;
 414         }
 415 }
 416
 417 // only used if skyrendermasked, and normally returns false
 418 int R_DrawBModelSky (void)
 419 {
 420         int             i, sky = false;
 421
 422         if (!r_drawentities.integer)
 423                 return false;
 424
 425         for (i = 0;i < r_refdef.numentities;i++)
 426         {
 427                 currentrenderentity = r_refdef.entities[i];
 428                 if (currentrenderentity->visframe == r_framecount && currentrenderentity->model->DrawSky)
 429                 {
 430                         currentrenderentity->model->DrawSky();
 431                         sky = true;
 432                 }
 433         }
 434         return sky;
 435 }
 436
 437 void R_DrawModels (void)
 438 {
 439         int             i;
 440
 441         if (!r_drawentities.integer)
 442                 return;
 443
 444         for (i = 0;i < r_refdef.numentities;i++)
 445         {
 446                 currentrenderentity = r_refdef.entities[i];
 447                 if (currentrenderentity->visframe == r_framecount && currentrenderentity->model->Draw)
 448                         currentrenderentity->model->Draw();
 449         }
 450 }
 451
 452 /*
 453 =============
 454 R_DrawViewModel
 455 =============
 456 */
 457 void R_DrawViewModel (void)
 458 {
 459         // FIXME: move these checks to client
 460         if (!r_drawviewmodel.integer || chase_active.integer || envmap || !r_drawentities.integer || cl.items & IT_INVISIBILITY || cl.stats[STAT_HEALTH] <= 0 || !cl.viewent.render.model)
 461                 return;
 462
 463         currentrenderentity = &cl.viewent.render;
 464         Mod_CheckLoaded(currentrenderentity->model);
 465
 466         R_LerpAnimation(currentrenderentity);
 467
 468         // hack the depth range to prevent view model from poking into walls
 469 //      if (gl_viewmodeldepthhack.integer)
 470 //      {
 471 //              R_Mesh_Render();
 472 //              qglDepthRange (gldepthmin, gldepthmin + 0.3*(gldepthmax-gldepthmin));
 473 //      }
 474         currentrenderentity->model->Draw();
 475 //      if (gl_viewmodeldepthhack.integer)
 476 //      {
 477 //              R_Mesh_Render();
 478 //              qglDepthRange (gldepthmin, gldepthmax);
 479 //      }
 480 }
 481
 482 static void R_SetFrustum (void)
 483 {
 484         int             i;
 485
 486         // LordHavoc: note to all quake engine coders, the special case for 90
 487         // degrees assumed a square view (wrong), so I removed it, Quake2 has it
 488         // disabled as well.
 489         // rotate VPN right by FOV_X/2 degrees
 490         RotatePointAroundVector( frustum[0].normal, vup, vpn, -(90-r_refdef.fov_x / 2 ) );
 491         // rotate VPN left by FOV_X/2 degrees
 492         RotatePointAroundVector( frustum[1].normal, vup, vpn, 90-r_refdef.fov_x / 2 );
 493         // rotate VPN up by FOV_X/2 degrees
 494         RotatePointAroundVector( frustum[2].normal, vright, vpn, 90-r_refdef.fov_y / 2 );
 495         // rotate VPN down by FOV_X/2 degrees
 496         RotatePointAroundVector( frustum[3].normal, vright, vpn, -( 90 - r_refdef.fov_y / 2 ) );
 497
 498
 499         for (i=0 ; i<4 ; i++)
 500         {
 501                 frustum[i].type = PLANE_ANYZ;
 502                 frustum[i].dist = DotProduct (r_origin, frustum[i].normal);
 503                 PlaneClassify(&frustum[i]);
 504         }
 505 }
 506
 507 /*
 508 ===============
 509 R_SetupFrame
 510 ===============
 511 */
 512 static void R_SetupFrame (void)
 513 {
 514 // don't allow cheats in multiplayer
 515         if (cl.maxclients > 1)
 516         {
 517                 if (r_fullbright.integer != 0)
 518                         Cvar_Set ("r_fullbright", "0");
 519                 if (r_ambient.value != 0)
 520                         Cvar_Set ("r_ambient", "0");
 521         }
 522         if (r_multitexture.integer && gl_textureunits < 2)
 523                 Cvar_SetValue("r_multitexture", 0);
 524
 525         r_framecount++;
 526
 527 // build the transformation matrix for the given view angles
 528         VectorCopy (r_refdef.vieworg, r_origin);
 529
 530         AngleVectors (r_refdef.viewangles, vpn, vright, vup);
 531
 532 // current viewleaf
 533         r_oldviewleaf = r_viewleaf;
 534         r_viewleaf = Mod_PointInLeaf (r_origin, cl.worldmodel);
 535
 536 //      r_cache_thrash = false;
 537
 538         R_AnimateLight ();
 539 }
 540
 541
 542 static int blendviewpolyindex[3] = {0, 1, 2};
 543
 544 static void R_BlendView(void)
 545 {
 546         rmeshinfo_t m;
 547         float tvxyz[3][4], r;
 548
 549         if (!r_render.integer)
 550                 return;
 551
 552         if (r_refdef.viewblend[3] < 0.01f)
 553                 return;
 554
 555         memset(&m, 0, sizeof(m));
 556         m.transparent = false;
 557         m.blendfunc1 = GL_SRC_ALPHA;
 558         m.blendfunc2 = GL_ONE;
 559         m.depthdisable = true; // magic
 560         m.numtriangles = 1;
 561         m.numverts = 3;
 562         m.index = blendviewpolyindex;
 563         m.vertex = &tvxyz[0][0];
 564         m.vertexstep = sizeof(float[4]);
 565         m.cr = r_refdef.viewblend[0];
 566         m.cg = r_refdef.viewblend[1];
 567         m.cb = r_refdef.viewblend[2];
 568         m.ca = r_refdef.viewblend[3];
 569         r = 64000;
 570         tvxyz[0][0] = r_origin[0] + vpn[0] * 1.5 - vright[0] * r - vup[0] * r;
 571         tvxyz[0][1] = r_origin[1] + vpn[1] * 1.5 - vright[1] * r - vup[1] * r;
 572         tvxyz[0][2] = r_origin[2] + vpn[2] * 1.5 - vright[2] * r - vup[2] * r;
 573         r *= 3;
 574         tvxyz[1][0] = tvxyz[0][0] + vup[0] * r;
 575         tvxyz[1][1] = tvxyz[0][1] + vup[1] * r;
 576         tvxyz[1][2] = tvxyz[0][2] + vup[2] * r;
 577         tvxyz[2][0] = tvxyz[0][0] + vright[0] * r;
 578         tvxyz[2][1] = tvxyz[0][1] + vright[1] * r;
 579         tvxyz[2][2] = tvxyz[0][2] + vright[2] * r;
 580         R_Mesh_Draw(&m);
 581
 582         /*
 583         qglMatrixMode(GL_PROJECTION);
 584         qglLoadIdentity ();
 585         qglOrtho  (0, 1, 1, 0, -99999, 99999);
 586         qglMatrixMode(GL_MODELVIEW);
 587         qglLoadIdentity ();
 588         qglDisable (GL_DEPTH_TEST);
 589         qglDisable (GL_CULL_FACE);
 590         qglDisable(GL_TEXTURE_2D);
 591         qglEnable(GL_BLEND);
 592         qglBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 593         qglBegin (GL_TRIANGLES);
 594         qglColor4f (r_refdef.viewblend[0] * overbrightscale, r_refdef.viewblend[1] * overbrightscale, r_refdef.viewblend[2] * overbrightscale, r_refdef.viewblend[3]);
 595         qglVertex2f (-5, -5);
 596         qglVertex2f (10, -5);
 597         qglVertex2f (-5, 10);
 598         qglEnd ();
 599
 600         qglEnable (GL_CULL_FACE);
 601         qglEnable (GL_DEPTH_TEST);
 602         qglDisable(GL_BLEND);
 603         qglEnable(GL_TEXTURE_2D);
 604         */
 605 }
 606
 607 /*
 608 ================
 609 R_RenderView
 610
 611 r_refdef must be set before the first call
 612 ================
 613 */
 614 void R_RenderView (void)
 615 {
 616         if (!cl.worldmodel)
 617                 return; //Host_Error ("R_RenderView: NULL worldmodel");
 618
 619         // FIXME: move to client
 620         R_MoveExplosions();
 621         R_TimeReport("mexplosion");
 622
 623         R_SetupFrame();
 624         R_SetFrustum();
 625         R_SetupFog();
 626         R_SkyStartFrame();
 627         if (r_ser.integer)
 628                 R_Clip_StartFrame();
 629         R_BuildLightList();
 630
 631         R_Mesh_Start();
 632
 633         R_TimeReport("setup");
 634
 635         R_DrawWorld();
 636         R_TimeReport("worldnode");
 637
 638         R_MarkEntities();
 639         R_TimeReport("markentity");
 640
 641         if (r_ser.integer)
 642         {
 643                 R_Clip_EndFrame();
 644                 R_TimeReport("hiddensurf");
 645         }
 646
 647         R_MarkWorldLights();
 648         R_TimeReport("marklights");
 649
 650         if (skyrendermasked)
 651         {
 652                 if (R_DrawBModelSky())
 653                         R_TimeReport("bmodelsky");
 654         }
 655         else
 656         {
 657                 R_DrawViewModel();
 658                 R_TimeReport("viewmodel");
 659         }
 660
 661         R_SetupForWorldRendering();
 662         R_PrepareSurfaces();
 663         R_TimeReport("surfprep");
 664
 665         R_DrawSurfaces(SHADERSTAGE_SKY);
 666         R_DrawSurfaces(SHADERSTAGE_NORMAL);
 667         R_TimeReport("surfdraw");
 668
 669         if (r_drawportals.integer)
 670         {
 671                 R_DrawPortals();
 672                 R_TimeReport("portals");
 673         }
 674
 675         // don't let sound skip if going slow
 676         if (!intimerefresh && !r_speeds.integer)
 677                 S_ExtraUpdate ();
 678
 679         if (skyrendermasked)
 680         {
 681                 R_DrawViewModel();
 682                 R_TimeReport("viewmodel");
 683         }
 684
 685         R_DrawModels();
 686         R_TimeReport("models");
 687
 688         R_DrawParticles();
 689         R_TimeReport("particles");
 690
 691         R_DrawExplosions();
 692         R_TimeReport("explosions");
 693
 694         // draw transparent meshs
 695         R_Mesh_AddTransparent();
 696         R_TimeReport("addtrans");
 697
 698         R_DrawCoronas();
 699         R_TimeReport("coronas");
 700
 701         R_BlendView();
 702         R_TimeReport("blendview");
 703
 704         // render any queued meshs
 705         R_Mesh_Finish();
 706         R_TimeReport("meshfinish");
 707
 708         //Mem_CheckSentinelsGlobal();
 709         //R_TimeReport("memtest");
 710 }