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 // used for dlight push checking and other things
  25 int r_framecount;
  26
  27 mplane_t frustum[4];
  28
  29 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;
  30
  31 // true during envmap command capture
  32 qboolean envmap;
  33
  34 float r_farclip;
  35
  36 // view origin
  37 vec3_t r_origin;
  38 vec3_t vpn;
  39 vec3_t vright;
  40 vec3_t vup;
  41
  42 //
  43 // screen size info
  44 //
  45 refdef_t r_refdef;
  46
  47 mleaf_t *r_viewleaf, *r_oldviewleaf;
  48
  49 // 8.8 fraction of base light value
  50 unsigned short d_lightstylevalue[256];
  51
  52 cvar_t r_drawentities = {0, "r_drawentities","1"};
  53 cvar_t r_drawviewmodel = {0, "r_drawviewmodel","1"};
  54 cvar_t r_speeds = {0, "r_speeds","0"};
  55 cvar_t r_fullbright = {0, "r_fullbright","0"};
  56 cvar_t r_wateralpha = {CVAR_SAVE, "r_wateralpha","1"};
  57 cvar_t r_dynamic = {CVAR_SAVE, "r_dynamic","1"};
  58 cvar_t r_fullbrights = {CVAR_SAVE, "r_fullbrights", "1"};
  59
  60 cvar_t gl_fogenable = {0, "gl_fogenable", "0"};
  61 cvar_t gl_fogdensity = {0, "gl_fogdensity", "0.25"};
  62 cvar_t gl_fogred = {0, "gl_fogred","0.3"};
  63 cvar_t gl_foggreen = {0, "gl_foggreen","0.3"};
  64 cvar_t gl_fogblue = {0, "gl_fogblue","0.3"};
  65 cvar_t gl_fogstart = {0, "gl_fogstart", "0"};
  66 cvar_t gl_fogend = {0, "gl_fogend","0"};
  67
  68 cvar_t r_textureunits = {0, "r_textureunits", "32"};
  69
  70 void R_ModulateColors(float *in, float *out, int verts, float r, float g, float b)
  71 {
  72         int i;
  73         for (i = 0;i < verts;i++)
  74         {
  75                 out[0] = in[0] * r;
  76                 out[1] = in[1] * g;
  77                 out[2] = in[2] * b;
  78                 out[3] = in[3];
  79                 in += 4;
  80                 out += 4;
  81         }
  82 }
  83
  84 void R_FillColors(float *out, int verts, float r, float g, float b, float a)
  85 {
  86         int i;
  87         for (i = 0;i < verts;i++)
  88         {
  89                 out[0] = r;
  90                 out[1] = g;
  91                 out[2] = b;
  92                 out[3] = a;
  93                 out += 4;
  94         }
  95 }
  96
  97 /*
  98 ====================
  99 R_TimeRefresh_f
 100
 101 For program optimization
 102 ====================
 103 */
 104 qboolean intimerefresh = 0;
 105 static void R_TimeRefresh_f (void)
 106 {
 107         int i;
 108         float start, stop, time;
 109
 110         intimerefresh = 1;
 111         start = Sys_DoubleTime ();
 112         for (i = 0;i < 128;i++)
 113         {
 114                 r_refdef.viewangles[0] = 0;
 115                 r_refdef.viewangles[1] = i/128.0*360.0;
 116                 r_refdef.viewangles[2] = 0;
 117                 CL_UpdateScreen();
 118         }
 119
 120         stop = Sys_DoubleTime ();
 121         intimerefresh = 0;
 122         time = stop-start;
 123         Con_Printf ("%f seconds (%f fps)\n", time, 128/time);
 124 }
 125
 126 extern cvar_t r_drawportals;
 127
 128 int R_VisibleCullBox (vec3_t mins, vec3_t maxs)
 129 {
 130         int sides;
 131         mnode_t *nodestack[8192], *node;
 132         int stack = 0;
 133
 134         if (R_CullBox(mins, maxs))
 135                 return true;
 136
 137         node = cl.worldmodel->nodes;
 138 loc0:
 139         if (node->contents < 0)
 140         {
 141                 if (((mleaf_t *)node)->visframe == r_framecount)
 142                         return false;
 143                 if (!stack)
 144                         return true;
 145                 node = nodestack[--stack];
 146                 goto loc0;
 147         }
 148
 149         sides = BOX_ON_PLANE_SIDE(mins, maxs, node->plane);
 150
 151 // recurse down the contacted sides
 152         if (sides & 1)
 153         {
 154                 if (sides & 2) // 3
 155                 {
 156                         // put second child on the stack for later examination
 157                         nodestack[stack++] = node->children[1];
 158                         node = node->children[0];
 159                         goto loc0;
 160                 }
 161                 else // 1
 162                 {
 163                         node = node->children[0];
 164                         goto loc0;
 165                 }
 166         }
 167         // 2
 168         node = node->children[1];
 169         goto loc0;
 170 }
 171
 172 vec3_t fogcolor;
 173 vec_t fogdensity;
 174 float fog_density, fog_red, fog_green, fog_blue;
 175 qboolean fogenabled;
 176 qboolean oldgl_fogenable;
 177 void R_SetupFog(void)
 178 {
 179         if (gamemode == GAME_NEHAHRA)
 180         {
 181                 if (gl_fogenable.integer)
 182                 {
 183                         oldgl_fogenable = true;
 184                         fog_density = gl_fogdensity.value;
 185                         fog_red = gl_fogred.value;
 186                         fog_green = gl_foggreen.value;
 187                         fog_blue = gl_fogblue.value;
 188                 }
 189                 else if (oldgl_fogenable)
 190                 {
 191                         oldgl_fogenable = false;
 192                         fog_density = 0;
 193                         fog_red = 0;
 194                         fog_green = 0;
 195                         fog_blue = 0;
 196                 }
 197         }
 198         if (fog_density)
 199         {
 200                 fogcolor[0] = fog_red   = bound(0.0f, fog_red  , 1.0f);
 201                 fogcolor[1] = fog_green = bound(0.0f, fog_green, 1.0f);
 202                 fogcolor[2] = fog_blue  = bound(0.0f, fog_blue , 1.0f);
 203         }
 204         if (fog_density)
 205         {
 206                 fogenabled = true;
 207                 fogdensity = -4000.0f / (fog_density * fog_density);
 208                 // fog color was already set
 209         }
 210         else
 211                 fogenabled = false;
 212 }
 213
 214 // FIXME: move this to client?
 215 void FOG_clear(void)
 216 {
 217         if (gamemode == GAME_NEHAHRA)
 218         {
 219                 Cvar_Set("gl_fogenable", "0");
 220                 Cvar_Set("gl_fogdensity", "0.2");
 221                 Cvar_Set("gl_fogred", "0.3");
 222                 Cvar_Set("gl_foggreen", "0.3");
 223                 Cvar_Set("gl_fogblue", "0.3");
 224         }
 225         fog_density = fog_red = fog_green = fog_blue = 0.0f;
 226 }
 227
 228 // FIXME: move this to client?
 229 void FOG_registercvars(void)
 230 {
 231         if (gamemode == GAME_NEHAHRA)
 232         {
 233                 Cvar_RegisterVariable (&gl_fogenable);
 234                 Cvar_RegisterVariable (&gl_fogdensity);
 235                 Cvar_RegisterVariable (&gl_fogred);
 236                 Cvar_RegisterVariable (&gl_foggreen);
 237                 Cvar_RegisterVariable (&gl_fogblue);
 238                 Cvar_RegisterVariable (&gl_fogstart);
 239                 Cvar_RegisterVariable (&gl_fogend);
 240         }
 241 }
 242
 243 void gl_main_start(void)
 244 {
 245 }
 246
 247 void gl_main_shutdown(void)
 248 {
 249 }
 250
 251 void gl_main_newmap(void)
 252 {
 253         r_framecount = 1;
 254 }
 255
 256 void GL_Main_Init(void)
 257 {
 258 // FIXME: move this to client?
 259         FOG_registercvars();
 260         Cmd_AddCommand ("timerefresh", R_TimeRefresh_f);
 261         Cvar_RegisterVariable (&r_drawentities);
 262         Cvar_RegisterVariable (&r_drawviewmodel);
 263         Cvar_RegisterVariable (&r_speeds);
 264         Cvar_RegisterVariable (&r_fullbrights);
 265         Cvar_RegisterVariable (&r_wateralpha);
 266         Cvar_RegisterVariable (&r_dynamic);
 267         Cvar_RegisterVariable (&r_fullbright);
 268         Cvar_RegisterVariable (&r_textureunits);
 269         if (gamemode == GAME_NEHAHRA)
 270                 Cvar_SetValue("r_fullbrights", 0);
 271         R_RegisterModule("GL_Main", gl_main_start, gl_main_shutdown, gl_main_newmap);
 272 }
 273
 274 vec3_t r_farclip_origin;
 275 vec3_t r_farclip_direction;
 276 vec_t r_farclip_directiondist;
 277 vec_t r_farclip_meshfarclip;
 278 int r_farclip_directionbit0;
 279 int r_farclip_directionbit1;
 280 int r_farclip_directionbit2;
 281
 282 // start a farclip measuring session
 283 void R_FarClip_Start(vec3_t origin, vec3_t direction, vec_t startfarclip)
 284 {
 285         VectorCopy(origin, r_farclip_origin);
 286         VectorCopy(direction, r_farclip_direction);
 287         r_farclip_directiondist = DotProduct(r_farclip_origin, r_farclip_direction);
 288         r_farclip_directionbit0 = r_farclip_direction[0] < 0;
 289         r_farclip_directionbit1 = r_farclip_direction[1] < 0;
 290         r_farclip_directionbit2 = r_farclip_direction[2] < 0;
 291         r_farclip_meshfarclip = r_farclip_directiondist + startfarclip;
 292 }
 293
 294 // enlarge farclip to accomodate box
 295 void R_FarClip_Box(vec3_t mins, vec3_t maxs)
 296 {
 297         float d;
 298         d = (r_farclip_directionbit0 ? mins[0] : maxs[0]) * r_farclip_direction[0]
 299           + (r_farclip_directionbit1 ? mins[1] : maxs[1]) * r_farclip_direction[1]
 300           + (r_farclip_directionbit2 ? mins[2] : maxs[2]) * r_farclip_direction[2];
 301         if (r_farclip_meshfarclip < d)
 302                 r_farclip_meshfarclip = d;
 303 }
 304
 305 // return farclip value
 306 float R_FarClip_Finish(void)
 307 {
 308         return r_farclip_meshfarclip - r_farclip_directiondist;
 309 }
 310
 311 /*
 312 ===============
 313 R_NewMap
 314 ===============
 315 */
 316 void CL_ParseEntityLump(char *entitystring);
 317 void R_NewMap (void)
 318 {
 319         int i;
 320
 321         for (i = 0;i < 256;i++)
 322                 d_lightstylevalue[i] = 264;             // normal light value
 323
 324         r_viewleaf = NULL;
 325         if (cl.worldmodel->entities)
 326                 CL_ParseEntityLump(cl.worldmodel->entities);
 327         R_Modules_NewMap();
 328
 329         r_farclip = 64.0f;
 330 }
 331
 332 extern void R_Textures_Init(void);
 333 extern void Mod_RenderInit(void);
 334 extern void GL_Draw_Init(void);
 335 extern void GL_Main_Init(void);
 336 extern void GL_Models_Init(void);
 337 extern void R_Sky_Init(void);
 338 extern void GL_Surf_Init(void);
 339 extern void R_Crosshairs_Init(void);
 340 extern void R_Light_Init(void);
 341 extern void R_Particles_Init(void);
 342 extern void R_Explosion_Init(void);
 343 extern void ui_init(void);
 344 extern void gl_backend_init(void);
 345
 346 void Render_Init(void)
 347 {
 348         R_Modules_Shutdown();
 349         R_Textures_Init();
 350         Mod_RenderInit();
 351         gl_backend_init();
 352         R_MeshQueue_Init();
 353         GL_Draw_Init();
 354         GL_Main_Init();
 355         GL_Models_Init();
 356         R_Sky_Init();
 357         GL_Surf_Init();
 358         R_Crosshairs_Init();
 359         R_Light_Init();
 360         R_Particles_Init();
 361         R_Explosion_Init();
 362         ui_init();
 363         R_Modules_Start();
 364 }
 365
 366 /*
 367 ===============
 368 GL_Init
 369 ===============
 370 */
 371 extern char *ENGINE_EXTENSIONS;
 372 void GL_Init (void)
 373 {
 374         VID_CheckExtensions();
 375
 376         // LordHavoc: report supported extensions
 377         Con_Printf ("\nengine extensions: %s\n", ENGINE_EXTENSIONS);
 378
 379         qglCullFace(GL_FRONT);
 380         qglEnable(GL_TEXTURE_2D);
 381 }
 382
 383
 384 //==================================================================================
 385
 386 static void R_MarkEntities (void)
 387 {
 388         int i;
 389         vec3_t v;
 390         entity_render_t *ent;
 391
 392         ent = &cl_entities[0].render;
 393         Matrix4x4_CreateIdentity(&ent->matrix);
 394         Matrix4x4_CreateIdentity(&ent->inversematrix);
 395
 396         R_FarClip_Box(cl.worldmodel->normalmins, cl.worldmodel->normalmaxs);
 397
 398         if (!r_drawentities.integer)
 399                 return;
 400
 401         for (i = 0;i < r_refdef.numentities;i++)
 402         {
 403                 ent = r_refdef.entities[i];
 404                 Mod_CheckLoaded(ent->model);
 405
 406                 // move view-relative models to where they should be
 407                 if (ent->flags & RENDER_VIEWMODEL)
 408                 {
 409                         // remove flag so it will not be repeated incase RelinkEntities is not called again for a while
 410                         ent->flags -= RENDER_VIEWMODEL;
 411                         // transform origin
 412                         VectorCopy(ent->origin, v);
 413                         ent->origin[0] = v[0] * vpn[0] + v[1] * vright[0] + v[2] * vup[0] + r_origin[0];
 414                         ent->origin[1] = v[0] * vpn[1] + v[1] * vright[1] + v[2] * vup[1] + r_origin[1];
 415                         ent->origin[2] = v[0] * vpn[2] + v[1] * vright[2] + v[2] * vup[2] + r_origin[2];
 416                         // adjust angles
 417                         VectorAdd(ent->angles, r_refdef.viewangles, ent->angles);
 418                 }
 419
 420                 if (ent->angles[0] || ent->angles[2])
 421                 {
 422                         VectorMA(ent->origin, ent->scale, ent->model->rotatedmins, ent->mins);
 423                         VectorMA(ent->origin, ent->scale, ent->model->rotatedmaxs, ent->maxs);
 424                 }
 425                 else if (ent->angles[1])
 426                 {
 427                         VectorMA(ent->origin, ent->scale, ent->model->yawmins, ent->mins);
 428                         VectorMA(ent->origin, ent->scale, ent->model->yawmaxs, ent->maxs);
 429                 }
 430                 else
 431                 {
 432                         VectorMA(ent->origin, ent->scale, ent->model->normalmins, ent->mins);
 433                         VectorMA(ent->origin, ent->scale, ent->model->normalmaxs, ent->maxs);
 434                 }
 435                 if (R_VisibleCullBox(ent->mins, ent->maxs))
 436                         continue;
 437
 438                 VectorCopy(ent->angles, v);
 439                 if (ent->model->type != mod_brush)
 440                         v[0] = -v[0];
 441                 Matrix4x4_CreateFromQuakeEntity(&ent->matrix, ent->origin[0], ent->origin[1], ent->origin[2], v[0], v[1], v[2], ent->scale);
 442                 Matrix4x4_Invert_Simple(&ent->inversematrix, &ent->matrix);
 443                 R_LerpAnimation(ent);
 444                 ent->visframe = r_framecount;
 445
 446                 R_FarClip_Box(ent->mins, ent->maxs);
 447
 448                 R_UpdateEntLights(ent);
 449         }
 450 }
 451
 452 // only used if skyrendermasked, and normally returns false
 453 int R_DrawBModelSky (void)
 454 {
 455         int i, sky;
 456         entity_render_t *ent;
 457
 458         if (!r_drawentities.integer)
 459                 return false;
 460
 461         sky = false;
 462         for (i = 0;i < r_refdef.numentities;i++)
 463         {
 464                 ent = r_refdef.entities[i];
 465                 if (ent->visframe == r_framecount && ent->model->DrawSky)
 466                 {
 467                         ent->model->DrawSky(ent);
 468                         sky = true;
 469                 }
 470         }
 471         return sky;
 472 }
 473
 474 void R_DrawModels (void)
 475 {
 476         int i;
 477         entity_render_t *ent;
 478
 479         if (!r_drawentities.integer)
 480                 return;
 481
 482         for (i = 0;i < r_refdef.numentities;i++)
 483         {
 484                 ent = r_refdef.entities[i];
 485                 if (ent->visframe == r_framecount && ent->model->Draw)
 486                         ent->model->Draw(ent);
 487         }
 488 }
 489
 490 /*
 491 =============
 492 R_DrawViewModel
 493 =============
 494 */
 495 void R_DrawViewModel (void)
 496 {
 497         entity_render_t *ent;
 498
 499         // FIXME: move these checks to client
 500         if (!r_drawviewmodel.integer || chase_active.integer || envmap || !r_drawentities.integer || cl.items & IT_INVISIBILITY || cl.stats[STAT_HEALTH] <= 0 || !cl.viewent.render.model)
 501                 return;
 502
 503         ent = &cl.viewent.render;
 504         Mod_CheckLoaded(ent->model);
 505         R_LerpAnimation(ent);
 506         Matrix4x4_CreateFromQuakeEntity(&ent->matrix, ent->origin[0], ent->origin[1], ent->origin[2], -ent->angles[0], ent->angles[1], ent->angles[2], ent->scale);
 507         Matrix4x4_Invert_Simple(&ent->inversematrix, &ent->matrix);
 508         R_UpdateEntLights(ent);
 509         ent->model->Draw(ent);
 510 }
 511
 512 static void R_SetFrustum (void)
 513 {
 514         int i;
 515
 516         // LordHavoc: note to all quake engine coders, the special case for 90
 517         // degrees assumed a square view (wrong), so I removed it, Quake2 has it
 518         // disabled as well.
 519         // rotate VPN right by FOV_X/2 degrees
 520         RotatePointAroundVector( frustum[0].normal, vup, vpn, -(90-r_refdef.fov_x / 2 ) );
 521         // rotate VPN left by FOV_X/2 degrees
 522         RotatePointAroundVector( frustum[1].normal, vup, vpn, 90-r_refdef.fov_x / 2 );
 523         // rotate VPN up by FOV_X/2 degrees
 524         RotatePointAroundVector( frustum[2].normal, vright, vpn, 90-r_refdef.fov_y / 2 );
 525         // rotate VPN down by FOV_X/2 degrees
 526         RotatePointAroundVector( frustum[3].normal, vright, vpn, -( 90 - r_refdef.fov_y / 2 ) );
 527
 528         for (i = 0;i < 4;i++)
 529         {
 530                 frustum[i].type = PLANE_ANYZ;
 531                 frustum[i].dist = DotProduct (r_origin, frustum[i].normal);
 532                 PlaneClassify(&frustum[i]);
 533         }
 534 }
 535
 536 /*
 537 ===============
 538 R_SetupFrame
 539 ===============
 540 */
 541 static void R_SetupFrame (void)
 542 {
 543 // don't allow cheats in multiplayer
 544         if (cl.maxclients > 1)
 545         {
 546                 if (r_fullbright.integer != 0)
 547                         Cvar_Set ("r_fullbright", "0");
 548                 if (r_ambient.value != 0)
 549                         Cvar_Set ("r_ambient", "0");
 550         }
 551
 552         r_framecount++;
 553
 554 // build the transformation matrix for the given view angles
 555         VectorCopy (r_refdef.vieworg, r_origin);
 556
 557         AngleVectors (r_refdef.viewangles, vpn, vright, vup);
 558
 559 // current viewleaf
 560         r_oldviewleaf = r_viewleaf;
 561         r_viewleaf = Mod_PointInLeaf (r_origin, cl.worldmodel);
 562
 563         R_AnimateLight ();
 564 }
 565
 566
 567 static void R_BlendView(void)
 568 {
 569         rmeshbufferinfo_t m;
 570         float r;
 571
 572         if (r_refdef.viewblend[3] < 0.01f)
 573                 return;
 574
 575         memset(&m, 0, sizeof(m));
 576         m.blendfunc1 = GL_SRC_ALPHA;
 577         m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
 578         m.depthdisable = true; // magic
 579         m.numtriangles = 1;
 580         m.numverts = 3;
 581         Matrix4x4_CreateIdentity(&m.matrix);
 582         if (R_Mesh_Draw_GetBuffer(&m, false))
 583         {
 584                 m.index[0] = 0;
 585                 m.index[1] = 1;
 586                 m.index[2] = 2;
 587                 m.color[0] = m.color[4] = m.color[8] = r_refdef.viewblend[0];
 588                 m.color[1] = m.color[5] = m.color[9] = r_refdef.viewblend[1];
 589                 m.color[2] = m.color[6] = m.color[10] = r_refdef.viewblend[2];
 590                 m.color[3] = m.color[7] = m.color[11] = r_refdef.viewblend[3];
 591                 r = 64000;
 592                 m.vertex[0] = r_origin[0] + vpn[0] * 1.5 - vright[0] * r - vup[0] * r;
 593                 m.vertex[1] = r_origin[1] + vpn[1] * 1.5 - vright[1] * r - vup[1] * r;
 594                 m.vertex[2] = r_origin[2] + vpn[2] * 1.5 - vright[2] * r - vup[2] * r;
 595                 r *= 3;
 596                 m.vertex[4] = m.vertex[0] + vup[0] * r;
 597                 m.vertex[5] = m.vertex[1] + vup[1] * r;
 598                 m.vertex[6] = m.vertex[2] + vup[2] * r;
 599                 m.vertex[8] = m.vertex[0] + vright[0] * r;
 600                 m.vertex[9] = m.vertex[1] + vright[1] * r;
 601                 m.vertex[10] = m.vertex[2] + vright[2] * r;
 602                 R_Mesh_Render();
 603         }
 604 }
 605
 606 /*
 607 ================
 608 R_RenderView
 609
 610 r_refdef must be set before the first call
 611 ================
 612 */
 613 void R_RenderView (void)
 614 {
 615         entity_render_t *world = &cl_entities[0].render;
 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         R_BuildLightList();
 628
 629         R_FarClip_Start(r_origin, vpn, 768.0f);
 630
 631         R_TimeReport("setup");
 632
 633         R_DrawWorld(world);
 634         R_TimeReport("worldnode");
 635
 636         R_MarkEntities();
 637         R_TimeReport("markentity");
 638
 639         R_SurfMarkLights(world);
 640         R_TimeReport("marklights");
 641
 642         r_farclip = R_FarClip_Finish() + 256.0f;
 643
 644         R_Mesh_Start(r_farclip);
 645
 646         R_MeshQueue_BeginScene();
 647
 648
 649         if (skyrendermasked)
 650         {
 651                 if (R_DrawBModelSky())
 652                         R_TimeReport("bmodelsky");
 653         }
 654         else
 655         {
 656                 R_DrawViewModel();
 657                 R_TimeReport("viewmodel");
 658         }
 659
 660         R_PrepareSurfaces(world);
 661         R_TimeReport("surfprep");
 662
 663         R_DrawSurfaces(world, SHADERSTAGE_SKY);
 664         R_DrawSurfaces(world, SHADERSTAGE_NORMAL);
 665         R_TimeReport("surfdraw");
 666
 667         if (r_drawportals.integer)
 668         {
 669                 R_DrawPortals(world);
 670                 R_TimeReport("portals");
 671         }
 672
 673         // don't let sound skip if going slow
 674         if (!intimerefresh && !r_speeds.integer)
 675                 S_ExtraUpdate ();
 676
 677         if (skyrendermasked)
 678         {
 679                 R_DrawViewModel();
 680                 R_TimeReport("viewmodel");
 681         }
 682
 683         R_DrawModels();
 684         R_TimeReport("models");
 685
 686         R_DrawParticles();
 687         R_TimeReport("particles");
 688
 689         R_DrawExplosions();
 690         R_TimeReport("explosions");
 691
 692         R_MeshQueue_RenderTransparent();
 693         R_TimeReport("addtrans");
 694
 695         R_DrawCoronas();
 696         R_TimeReport("coronas");
 697
 698         R_DrawCrosshair();
 699         R_TimeReport("crosshair");
 700
 701         R_BlendView();
 702         R_TimeReport("blendview");
 703
 704         R_MeshQueue_Render();
 705
 706         R_MeshQueue_EndScene();
 707
 708         R_Mesh_Finish();
 709         R_TimeReport("meshfinish");
 710 }
 711