gl_rsurf.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_surf.c: surface-related refresh code
  21
  22 #include "quakedef.h"
  23 #include "r_shadow.h"
  24
  25 #define MAX_LIGHTMAP_SIZE 256
  26
  27 static unsigned int intblocklights[MAX_LIGHTMAP_SIZE*MAX_LIGHTMAP_SIZE*3]; // LordHavoc: *3 for colored lighting
  28 static float floatblocklights[MAX_LIGHTMAP_SIZE*MAX_LIGHTMAP_SIZE*3]; // LordHavoc: *3 for colored lighting
  29
  30 static qbyte templight[MAX_LIGHTMAP_SIZE*MAX_LIGHTMAP_SIZE*4];
  31
  32 static mempool_t *r_surf_mempool = NULL;
  33 static int r_surf_surfacevisiblelimit = 0;
  34 static qbyte *r_surf_surfacevisible = NULL;
  35
  36 cvar_t r_ambient = {0, "r_ambient", "0"};
  37 cvar_t r_drawportals = {0, "r_drawportals", "0"};
  38 cvar_t r_testvis = {0, "r_testvis", "0"};
  39 cvar_t r_floatbuildlightmap = {0, "r_floatbuildlightmap", "0"};
  40 cvar_t r_detailtextures = {CVAR_SAVE, "r_detailtextures", "1"};
  41 cvar_t r_surfaceworldnode = {0, "r_surfaceworldnode", "0"};
  42 cvar_t r_drawcollisionbrushes_polygonfactor = {0, "r_drawcollisionbrushes_polygonfactor", "-1"};
  43 cvar_t r_drawcollisionbrushes_polygonoffset = {0, "r_drawcollisionbrushes_polygonoffset", "0"};
  44 cvar_t r_q3bsp_renderskydepth = {0, "r_q3bsp_renderskydepth", "0"};
  45 cvar_t gl_lightmaps = {0, "gl_lightmaps", "0"};
  46
  47 /*
  48 // FIXME: these arrays are huge!
  49 int r_q1bsp_maxmarkleafs;
  50 int r_q1bsp_nummarkleafs;
  51 mleaf_t *r_q1bsp_maxleaflist[65536];
  52 int r_q1bsp_maxmarksurfaces;
  53 int r_q1bsp_nummarksurfaces;
  54 msurface_t *r_q1bsp_maxsurfacelist[65536];
  55
  56 // FIXME: these arrays are huge!
  57 int r_q3bsp_maxmarkleafs;
  58 int r_q3bsp_nummarkleafs;
  59 q3mleaf_t *r_q3bsp_maxleaflist[65536];
  60 int r_q3bsp_maxmarksurfaces;
  61 int r_q3bsp_nummarksurfaces;
  62 q3msurface_t *r_q3bsp_maxsurfacelist[65536];
  63 */
  64
  65 void R_Surf_ClearSurfaceVisible(int num)
  66 {
  67         if (r_surf_surfacevisiblelimit < num)
  68         {
  69                 Mem_Free(r_surf_surfacevisible);
  70                 r_surf_surfacevisiblelimit = num;
  71                 r_surf_surfacevisible = Mem_Alloc(r_surf_mempool, r_surf_surfacevisiblelimit);
  72         }
  73         memset(r_surf_surfacevisible, 0, num);
  74 }
  75
  76 static int dlightdivtable[32768];
  77
  78 static int R_IntAddDynamicLights (const matrix4x4_t *matrix, msurface_t *surf)
  79 {
  80         int sdtable[256], lnum, td, maxdist, maxdist2, maxdist3, i, s, t, smax, tmax, smax3, red, green, blue, lit, dist2, impacts, impactt, subtract, k;
  81         unsigned int *bl;
  82         float dist, impact[3], local[3];
  83         dlight_t *light;
  84
  85         lit = false;
  86
  87         smax = (surf->extents[0] >> 4) + 1;
  88         tmax = (surf->extents[1] >> 4) + 1;
  89         smax3 = smax * 3;
  90
  91         for (lnum = 0, light = r_dlight;lnum < r_numdlights;lnum++, light++)
  92         {
  93                 if (!(surf->dlightbits[lnum >> 5] & (1 << (lnum & 31))))
  94                         continue;                                       // not lit by this light
  95
  96                 Matrix4x4_Transform(matrix, light->origin, local);
  97                 dist = DotProduct (local, surf->plane->normal) - surf->plane->dist;
  98
  99                 // for comparisons to minimum acceptable light
 100                 // compensate for LIGHTOFFSET
 101                 maxdist = (int) light->rtlight.lightmap_cullradius2 + LIGHTOFFSET;
 102
 103                 dist2 = dist * dist;
 104                 dist2 += LIGHTOFFSET;
 105                 if (dist2 >= maxdist)
 106                         continue;
 107
 108                 if (surf->plane->type < 3)
 109                 {
 110                         VectorCopy(local, impact);
 111                         impact[surf->plane->type] -= dist;
 112                 }
 113                 else
 114                 {
 115                         impact[0] = local[0] - surf->plane->normal[0] * dist;
 116                         impact[1] = local[1] - surf->plane->normal[1] * dist;
 117                         impact[2] = local[2] - surf->plane->normal[2] * dist;
 118                 }
 119
 120                 impacts = DotProduct (impact, surf->texinfo->vecs[0]) + surf->texinfo->vecs[0][3] - surf->texturemins[0];
 121                 impactt = DotProduct (impact, surf->texinfo->vecs[1]) + surf->texinfo->vecs[1][3] - surf->texturemins[1];
 122
 123                 s = bound(0, impacts, smax * 16) - impacts;
 124                 t = bound(0, impactt, tmax * 16) - impactt;
 125                 i = s * s + t * t + dist2;
 126                 if (i > maxdist)
 127                         continue;
 128
 129                 // reduce calculations
 130                 for (s = 0, i = impacts; s < smax; s++, i -= 16)
 131                         sdtable[s] = i * i + dist2;
 132
 133                 maxdist3 = maxdist - dist2;
 134
 135                 // convert to 8.8 blocklights format
 136                 red = light->rtlight.lightmap_light[0] * (1.0f / 128.0f);
 137                 green = light->rtlight.lightmap_light[1] * (1.0f / 128.0f);
 138                 blue = light->rtlight.lightmap_light[2] * (1.0f / 128.0f);
 139                 subtract = (int) (light->rtlight.lightmap_subtract * 4194304.0f);
 140                 bl = intblocklights;
 141
 142                 i = impactt;
 143                 for (t = 0;t < tmax;t++, i -= 16)
 144                 {
 145                         td = i * i;
 146                         // make sure some part of it is visible on this line
 147                         if (td < maxdist3)
 148                         {
 149                                 maxdist2 = maxdist - td;
 150                                 for (s = 0;s < smax;s++)
 151                                 {
 152                                         if (sdtable[s] < maxdist2)
 153                                         {
 154                                                 k = dlightdivtable[(sdtable[s] + td) >> 7] - subtract;
 155                                                 if (k > 0)
 156                                                 {
 157                                                         bl[0] += (red   * k);
 158                                                         bl[1] += (green * k);
 159                                                         bl[2] += (blue  * k);
 160                                                         lit = true;
 161                                                 }
 162                                         }
 163                                         bl += 3;
 164                                 }
 165                         }
 166                         else // skip line
 167                                 bl += smax3;
 168                 }
 169         }
 170         return lit;
 171 }
 172
 173 static int R_FloatAddDynamicLights (const matrix4x4_t *matrix, msurface_t *surf)
 174 {
 175         int lnum, s, t, smax, tmax, smax3, lit, impacts, impactt;
 176         float sdtable[256], *bl, k, dist, dist2, maxdist, maxdist2, maxdist3, td1, td, red, green, blue, impact[3], local[3], subtract;
 177         dlight_t *light;
 178
 179         lit = false;
 180
 181         smax = (surf->extents[0] >> 4) + 1;
 182         tmax = (surf->extents[1] >> 4) + 1;
 183         smax3 = smax * 3;
 184
 185         for (lnum = 0, light = r_dlight;lnum < r_numdlights;lnum++, light++)
 186         {
 187                 if (!(surf->dlightbits[lnum >> 5] & (1 << (lnum & 31))))
 188                         continue;                                       // not lit by this light
 189
 190                 Matrix4x4_Transform(matrix, light->origin, local);
 191                 dist = DotProduct (local, surf->plane->normal) - surf->plane->dist;
 192
 193                 // for comparisons to minimum acceptable light
 194                 // compensate for LIGHTOFFSET
 195                 maxdist = (int) light->rtlight.lightmap_cullradius2 + LIGHTOFFSET;
 196
 197                 dist2 = dist * dist;
 198                 dist2 += LIGHTOFFSET;
 199                 if (dist2 >= maxdist)
 200                         continue;
 201
 202                 if (surf->plane->type < 3)
 203                 {
 204                         VectorCopy(local, impact);
 205                         impact[surf->plane->type] -= dist;
 206                 }
 207                 else
 208                 {
 209                         impact[0] = local[0] - surf->plane->normal[0] * dist;
 210                         impact[1] = local[1] - surf->plane->normal[1] * dist;
 211                         impact[2] = local[2] - surf->plane->normal[2] * dist;
 212                 }
 213
 214                 impacts = DotProduct (impact, surf->texinfo->vecs[0]) + surf->texinfo->vecs[0][3] - surf->texturemins[0];
 215                 impactt = DotProduct (impact, surf->texinfo->vecs[1]) + surf->texinfo->vecs[1][3] - surf->texturemins[1];
 216
 217                 td = bound(0, impacts, smax * 16) - impacts;
 218                 td1 = bound(0, impactt, tmax * 16) - impactt;
 219                 td = td * td + td1 * td1 + dist2;
 220                 if (td > maxdist)
 221                         continue;
 222
 223                 // reduce calculations
 224                 for (s = 0, td1 = impacts; s < smax; s++, td1 -= 16.0f)
 225                         sdtable[s] = td1 * td1 + dist2;
 226
 227                 maxdist3 = maxdist - dist2;
 228
 229                 // convert to 8.8 blocklights format
 230                 red = light->rtlight.lightmap_light[0];
 231                 green = light->rtlight.lightmap_light[1];
 232                 blue = light->rtlight.lightmap_light[2];
 233                 subtract = light->rtlight.lightmap_subtract * 32768.0f;
 234                 bl = floatblocklights;
 235
 236                 td1 = impactt;
 237                 for (t = 0;t < tmax;t++, td1 -= 16.0f)
 238                 {
 239                         td = td1 * td1;
 240                         // make sure some part of it is visible on this line
 241                         if (td < maxdist3)
 242                         {
 243                                 maxdist2 = maxdist - td;
 244                                 for (s = 0;s < smax;s++)
 245                                 {
 246                                         if (sdtable[s] < maxdist2)
 247                                         {
 248                                                 k = (32768.0f / (sdtable[s] + td)) - subtract;
 249                                                 bl[0] += red   * k;
 250                                                 bl[1] += green * k;
 251                                                 bl[2] += blue  * k;
 252                                                 lit = true;
 253                                         }
 254                                         bl += 3;
 255                                 }
 256                         }
 257                         else // skip line
 258                                 bl += smax3;
 259                 }
 260         }
 261         return lit;
 262 }
 263
 264 /*
 265 ===============
 266 R_BuildLightMap
 267
 268 Combine and scale multiple lightmaps into the 8.8 format in blocklights
 269 ===============
 270 */
 271 static void R_BuildLightMap (const entity_render_t *ent, msurface_t *surf)
 272 {
 273         if (!r_floatbuildlightmap.integer)
 274         {
 275                 int smax, tmax, i, j, size, size3, maps, stride, l;
 276                 unsigned int *bl, scale;
 277                 qbyte *lightmap, *out, *stain;
 278
 279                 // update cached lighting info
 280                 surf->cached_dlight = 0;
 281
 282                 smax = (surf->extents[0]>>4)+1;
 283                 tmax = (surf->extents[1]>>4)+1;
 284                 size = smax*tmax;
 285                 size3 = size*3;
 286                 lightmap = surf->samples;
 287
 288         // set to full bright if no light data
 289                 bl = intblocklights;
 290                 if (!ent->model->brushq1.lightdata)
 291                 {
 292                         for (i = 0;i < size3;i++)
 293                                 bl[i] = 255*256;
 294                 }
 295                 else
 296                 {
 297         // clear to no light
 298                         memset(bl, 0, size*3*sizeof(unsigned int));
 299
 300                         if (surf->dlightframe == r_framecount)
 301                         {
 302                                 surf->cached_dlight = R_IntAddDynamicLights(&ent->inversematrix, surf);
 303                                 if (surf->cached_dlight)
 304                                         c_light_polys++;
 305                         }
 306
 307         // add all the lightmaps
 308                         if (lightmap)
 309                         {
 310                                 bl = intblocklights;
 311                                 for (maps = 0;maps < MAXLIGHTMAPS && surf->styles[maps] != 255;maps++, lightmap += size3)
 312                                         for (scale = d_lightstylevalue[surf->styles[maps]], i = 0;i < size3;i++)
 313                                                 bl[i] += lightmap[i] * scale;
 314                         }
 315                 }
 316
 317                 stain = surf->stainsamples;
 318                 bl = intblocklights;
 319                 out = templight;
 320                 // the >> 16 shift adjusts down 8 bits to account for the stainmap
 321                 // scaling, and remaps the 0-65536 (2x overbright) to 0-256, it will
 322                 // be doubled during rendering to achieve 2x overbright
 323                 // (0 = 0.0, 128 = 1.0, 256 = 2.0)
 324                 if (ent->model->brushq1.lightmaprgba)
 325                 {
 326                         stride = (surf->lightmaptexturestride - smax) * 4;
 327                         for (i = 0;i < tmax;i++, out += stride)
 328                         {
 329                                 for (j = 0;j < smax;j++)
 330                                 {
 331                                         l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
 332                                         l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
 333                                         l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
 334                                         *out++ = 255;
 335                                 }
 336                         }
 337                 }
 338                 else
 339                 {
 340                         stride = (surf->lightmaptexturestride - smax) * 3;
 341                         for (i = 0;i < tmax;i++, out += stride)
 342                         {
 343                                 for (j = 0;j < smax;j++)
 344                                 {
 345                                         l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
 346                                         l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
 347                                         l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
 348                                 }
 349                         }
 350                 }
 351
 352                 R_UpdateTexture(surf->lightmaptexture, templight);
 353         }
 354         else
 355         {
 356                 int smax, tmax, i, j, size, size3, maps, stride, l;
 357                 float *bl, scale;
 358                 qbyte *lightmap, *out, *stain;
 359
 360                 // update cached lighting info
 361                 surf->cached_dlight = 0;
 362
 363                 smax = (surf->extents[0]>>4)+1;
 364                 tmax = (surf->extents[1]>>4)+1;
 365                 size = smax*tmax;
 366                 size3 = size*3;
 367                 lightmap = surf->samples;
 368
 369         // set to full bright if no light data
 370                 bl = floatblocklights;
 371                 if (!ent->model->brushq1.lightdata)
 372                 {
 373                         for (i = 0;i < size3;i++)
 374                                 bl[i] = 255*256;
 375                 }
 376                 else
 377                 {
 378                         memset(bl, 0, size*3*sizeof(float));
 379
 380                         if (surf->dlightframe == r_framecount)
 381                         {
 382                                 surf->cached_dlight = R_FloatAddDynamicLights(&ent->inversematrix, surf);
 383                                 if (surf->cached_dlight)
 384                                         c_light_polys++;
 385                         }
 386
 387                         // add all the lightmaps
 388                         if (lightmap)
 389                         {
 390                                 bl = floatblocklights;
 391                                 for (maps = 0;maps < MAXLIGHTMAPS && surf->styles[maps] != 255;maps++, lightmap += size3)
 392                                         for (scale = d_lightstylevalue[surf->styles[maps]], i = 0;i < size3;i++)
 393                                                 bl[i] += lightmap[i] * scale;
 394                         }
 395                 }
 396
 397                 stain = surf->stainsamples;
 398                 bl = floatblocklights;
 399                 out = templight;
 400                 // this scaling adjusts down 8 bits to account for the stainmap
 401                 // scaling, and remaps the 0.0-2.0 (2x overbright) to 0-256, it will
 402                 // be doubled during rendering to achieve 2x overbright
 403                 // (0 = 0.0, 128 = 1.0, 256 = 2.0)
 404                 scale = 1.0f / (1 << 16);
 405                 if (ent->model->brushq1.lightmaprgba)
 406                 {
 407                         stride = (surf->lightmaptexturestride - smax) * 4;
 408                         for (i = 0;i < tmax;i++, out += stride)
 409                         {
 410                                 for (j = 0;j < smax;j++)
 411                                 {
 412                                         l = *bl++ * *stain++ * scale;*out++ = min(l, 255);
 413                                         l = *bl++ * *stain++ * scale;*out++ = min(l, 255);
 414                                         l = *bl++ * *stain++ * scale;*out++ = min(l, 255);
 415                                         *out++ = 255;
 416                                 }
 417                         }
 418                 }
 419                 else
 420                 {
 421                         stride = (surf->lightmaptexturestride - smax) * 3;
 422                         for (i = 0;i < tmax;i++, out += stride)
 423                         {
 424                                 for (j = 0;j < smax;j++)
 425                                 {
 426                                         l = *bl++ * *stain++ * scale;*out++ = min(l, 255);
 427                                         l = *bl++ * *stain++ * scale;*out++ = min(l, 255);
 428                                         l = *bl++ * *stain++ * scale;*out++ = min(l, 255);
 429                                 }
 430                         }
 431                 }
 432
 433                 R_UpdateTexture(surf->lightmaptexture, templight);
 434         }
 435 }
 436
 437 void R_StainNode (mnode_t *node, model_t *model, const vec3_t origin, float radius, const float fcolor[8])
 438 {
 439         float ndist, a, ratio, maxdist, maxdist2, maxdist3, invradius, sdtable[256], td, dist2;
 440         msurface_t *surf, *endsurf;
 441         int i, s, t, smax, tmax, smax3, impacts, impactt, stained;
 442         qbyte *bl;
 443         vec3_t impact;
 444
 445         maxdist = radius * radius;
 446         invradius = 1.0f / radius;
 447
 448 loc0:
 449         if (!node->plane)
 450                 return;
 451         ndist = PlaneDiff(origin, node->plane);
 452         if (ndist > radius)
 453         {
 454                 node = node->children[0];
 455                 goto loc0;
 456         }
 457         if (ndist < -radius)
 458         {
 459                 node = node->children[1];
 460                 goto loc0;
 461         }
 462
 463         dist2 = ndist * ndist;
 464         maxdist3 = maxdist - dist2;
 465
 466         if (node->plane->type < 3)
 467         {
 468                 VectorCopy(origin, impact);
 469                 impact[node->plane->type] -= ndist;
 470         }
 471         else
 472         {
 473                 impact[0] = origin[0] - node->plane->normal[0] * ndist;
 474                 impact[1] = origin[1] - node->plane->normal[1] * ndist;
 475                 impact[2] = origin[2] - node->plane->normal[2] * ndist;
 476         }
 477
 478         for (surf = model->brushq1.surfaces + node->firstsurface, endsurf = surf + node->numsurfaces;surf < endsurf;surf++)
 479         {
 480                 if (surf->stainsamples)
 481                 {
 482                         smax = (surf->extents[0] >> 4) + 1;
 483                         tmax = (surf->extents[1] >> 4) + 1;
 484
 485                         impacts = DotProduct (impact, surf->texinfo->vecs[0]) + surf->texinfo->vecs[0][3] - surf->texturemins[0];
 486                         impactt = DotProduct (impact, surf->texinfo->vecs[1]) + surf->texinfo->vecs[1][3] - surf->texturemins[1];
 487
 488                         s = bound(0, impacts, smax * 16) - impacts;
 489                         t = bound(0, impactt, tmax * 16) - impactt;
 490                         i = s * s + t * t + dist2;
 491                         if (i > maxdist)
 492                                 continue;
 493
 494                         // reduce calculations
 495                         for (s = 0, i = impacts; s < smax; s++, i -= 16)
 496                                 sdtable[s] = i * i + dist2;
 497
 498                         bl = surf->stainsamples;
 499                         smax3 = smax * 3;
 500                         stained = false;
 501
 502                         i = impactt;
 503                         for (t = 0;t < tmax;t++, i -= 16)
 504                         {
 505                                 td = i * i;
 506                                 // make sure some part of it is visible on this line
 507                                 if (td < maxdist3)
 508                                 {
 509                                         maxdist2 = maxdist - td;
 510                                         for (s = 0;s < smax;s++)
 511                                         {
 512                                                 if (sdtable[s] < maxdist2)
 513                                                 {
 514                                                         ratio = lhrandom(0.0f, 1.0f);
 515                                                         a = (fcolor[3] + ratio * fcolor[7]) * (1.0f - sqrt(sdtable[s] + td) * invradius);
 516                                                         if (a >= (1.0f / 64.0f))
 517                                                         {
 518                                                                 if (a > 1)
 519                                                                         a = 1;
 520                                                                 bl[0] = (qbyte) ((float) bl[0] + a * ((fcolor[0] + ratio * fcolor[4]) - (float) bl[0]));
 521                                                                 bl[1] = (qbyte) ((float) bl[1] + a * ((fcolor[1] + ratio * fcolor[5]) - (float) bl[1]));
 522                                                                 bl[2] = (qbyte) ((float) bl[2] + a * ((fcolor[2] + ratio * fcolor[6]) - (float) bl[2]));
 523                                                                 stained = true;
 524                                                         }
 525                                                 }
 526                                                 bl += 3;
 527                                         }
 528                                 }
 529                                 else // skip line
 530                                         bl += smax3;
 531                         }
 532                         // force lightmap upload
 533                         if (stained)
 534                                 surf->cached_dlight = true;
 535                 }
 536         }
 537
 538         if (node->children[0]->plane)
 539         {
 540                 if (node->children[1]->plane)
 541                 {
 542                         R_StainNode(node->children[0], model, origin, radius, fcolor);
 543                         node = node->children[1];
 544                         goto loc0;
 545                 }
 546                 else
 547                 {
 548                         node = node->children[0];
 549                         goto loc0;
 550                 }
 551         }
 552         else if (node->children[1]->plane)
 553         {
 554                 node = node->children[1];
 555                 goto loc0;
 556         }
 557 }
 558
 559 void R_Stain (const vec3_t origin, float radius, int cr1, int cg1, int cb1, int ca1, int cr2, int cg2, int cb2, int ca2)
 560 {
 561         int n;
 562         float fcolor[8];
 563         entity_render_t *ent;
 564         model_t *model;
 565         vec3_t org;
 566         if (r_refdef.worldmodel == NULL || !r_refdef.worldmodel->brushq1.nodes)
 567                 return;
 568         fcolor[0] = cr1;
 569         fcolor[1] = cg1;
 570         fcolor[2] = cb1;
 571         fcolor[3] = ca1 * (1.0f / 64.0f);
 572         fcolor[4] = cr2 - cr1;
 573         fcolor[5] = cg2 - cg1;
 574         fcolor[6] = cb2 - cb1;
 575         fcolor[7] = (ca2 - ca1) * (1.0f / 64.0f);
 576
 577         R_StainNode(r_refdef.worldmodel->brushq1.nodes + r_refdef.worldmodel->brushq1.hulls[0].firstclipnode, r_refdef.worldmodel, origin, radius, fcolor);
 578
 579         // look for embedded bmodels
 580         for (n = 0;n < cl_num_brushmodel_entities;n++)
 581         {
 582                 ent = cl_brushmodel_entities[n];
 583                 model = ent->model;
 584                 if (model && model->name[0] == '*')
 585                 {
 586                         Mod_CheckLoaded(model);
 587                         if (model->brushq1.nodes)
 588                         {
 589                                 Matrix4x4_Transform(&ent->inversematrix, origin, org);
 590                                 R_StainNode(model->brushq1.nodes + model->brushq1.hulls[0].firstclipnode, model, org, radius, fcolor);
 591                         }
 592                 }
 593         }
 594 }
 595
 596
 597 /*
 598 =============================================================
 599
 600         BRUSH MODELS
 601
 602 =============================================================
 603 */
 604
 605 static void RSurf_AddLightmapToVertexColors_Color4f(const int *lightmapoffsets, float *c, int numverts, const qbyte *samples, int size3, const qbyte *styles)
 606 {
 607         int i;
 608         float scale;
 609         const qbyte *lm;
 610         if (styles[0] != 255)
 611         {
 612                 for (i = 0;i < numverts;i++, c += 4)
 613                 {
 614                         lm = samples + lightmapoffsets[i];
 615                         scale = d_lightstylevalue[styles[0]] * (1.0f / 32768.0f);
 616                         VectorMA(c, scale, lm, c);
 617                         if (styles[1] != 255)
 618                         {
 619                                 lm += size3;
 620                                 scale = d_lightstylevalue[styles[1]] * (1.0f / 32768.0f);
 621                                 VectorMA(c, scale, lm, c);
 622                                 if (styles[2] != 255)
 623                                 {
 624                                         lm += size3;
 625                                         scale = d_lightstylevalue[styles[2]] * (1.0f / 32768.0f);
 626                                         VectorMA(c, scale, lm, c);
 627                                         if (styles[3] != 255)
 628                                         {
 629                                                 lm += size3;
 630                                                 scale = d_lightstylevalue[styles[3]] * (1.0f / 32768.0f);
 631                                                 VectorMA(c, scale, lm, c);
 632                                         }
 633                                 }
 634                         }
 635                 }
 636         }
 637 }
 638
 639 static void RSurf_FogColors_Vertex3f_Color4f(const float *v, float *c, float colorscale, int numverts, const float *modelorg)
 640 {
 641         int i;
 642         float diff[3], f;
 643         if (fogenabled)
 644         {
 645                 for (i = 0;i < numverts;i++, v += 3, c += 4)
 646                 {
 647                         VectorSubtract(v, modelorg, diff);
 648                         f = colorscale * (1 - exp(fogdensity/DotProduct(diff, diff)));
 649                         VectorScale(c, f, c);
 650                 }
 651         }
 652         else if (colorscale != 1)
 653                 for (i = 0;i < numverts;i++, c += 4)
 654                         VectorScale(c, colorscale, c);
 655 }
 656
 657 static void RSurf_FoggedColors_Vertex3f_Color4f(const float *v, float *c, float r, float g, float b, float a, float colorscale, int numverts, const float *modelorg)
 658 {
 659         int i;
 660         float diff[3], f;
 661         r *= colorscale;
 662         g *= colorscale;
 663         b *= colorscale;
 664         if (fogenabled)
 665         {
 666                 for (i = 0;i < numverts;i++, v += 3, c += 4)
 667                 {
 668                         VectorSubtract(v, modelorg, diff);
 669                         f = 1 - exp(fogdensity/DotProduct(diff, diff));
 670                         c[0] = r * f;
 671                         c[1] = g * f;
 672                         c[2] = b * f;
 673                         c[3] = a;
 674                 }
 675         }
 676         else
 677         {
 678                 for (i = 0;i < numverts;i++, c += 4)
 679                 {
 680                         c[0] = r;
 681                         c[1] = g;
 682                         c[2] = b;
 683                         c[3] = a;
 684                 }
 685         }
 686 }
 687
 688 static void RSurf_FogPassColors_Vertex3f_Color4f(const float *v, float *c, float r, float g, float b, float a, float colorscale, int numverts, const float *modelorg)
 689 {
 690         int i;
 691         float diff[3], f;
 692         r *= colorscale;
 693         g *= colorscale;
 694         b *= colorscale;
 695         for (i = 0;i < numverts;i++, v += 3, c += 4)
 696         {
 697                 VectorSubtract(v, modelorg, diff);
 698                 f = exp(fogdensity/DotProduct(diff, diff));
 699                 c[0] = r;
 700                 c[1] = g;
 701                 c[2] = b;
 702                 c[3] = a * f;
 703         }
 704 }
 705
 706 static int RSurf_LightSeparate_Vertex3f_Color4f(const matrix4x4_t *matrix, const int *dlightbits, int numverts, const float *vert, float *color, float scale)
 707 {
 708         float f;
 709         const float *v;
 710         float *c;
 711         int i, l, lit = false;
 712         const dlight_t *light;
 713         vec3_t lightorigin;
 714         for (l = 0;l < r_numdlights;l++)
 715         {
 716                 if (dlightbits[l >> 5] & (1 << (l & 31)))
 717                 {
 718                         light = &r_dlight[l];
 719                         Matrix4x4_Transform(matrix, light->origin, lightorigin);
 720                         for (i = 0, v = vert, c = color;i < numverts;i++, v += 3, c += 4)
 721                         {
 722                                 f = VectorDistance2(v, lightorigin) + LIGHTOFFSET;
 723                                 if (f < light->rtlight.lightmap_cullradius2)
 724                                 {
 725                                         f = ((1.0f / f) - light->rtlight.lightmap_subtract) * scale;
 726                                         VectorMA(c, f, light->rtlight.lightmap_light, c);
 727                                         lit = true;
 728                                 }
 729                         }
 730                 }
 731         }
 732         return lit;
 733 }
 734
 735 static void RSurfShader_Transparent_Callback(const void *calldata1, int calldata2)
 736 {
 737         const entity_render_t *ent = calldata1;
 738         const msurface_t *surf = ent->model->brushq1.surfaces + calldata2;
 739         rmeshstate_t m;
 740         float currentalpha;
 741         float base, colorscale;
 742         vec3_t modelorg;
 743         texture_t *texture;
 744         float args[4] = {0.05f,0,0,0.04f};
 745         int rendertype, turb, fullbright;
 746
 747         R_Mesh_Matrix(&ent->matrix);
 748         Matrix4x4_Transform(&ent->inversematrix, r_vieworigin, modelorg);
 749
 750         texture = surf->texinfo->texture;
 751         if (texture->animated)
 752                 texture = texture->anim_frames[ent->frame != 0][(texture->anim_total[ent->frame != 0] >= 2) ? ((int) (r_refdef.time * 5.0f) % texture->anim_total[ent->frame != 0]) : 0];
 753         currentalpha = ent->alpha;
 754         if (surf->flags & SURF_WATERALPHA)
 755                 currentalpha *= r_wateralpha.value;
 756
 757         GL_DepthTest(!(ent->effects & EF_NODEPTHTEST));
 758         if (ent->effects & EF_ADDITIVE)
 759         {
 760                 rendertype = SURFRENDER_ADD;
 761                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
 762                 GL_DepthMask(false);
 763         }
 764         else if (currentalpha < 1 || texture->skin.fog != NULL)
 765         {
 766                 rendertype = SURFRENDER_ALPHA;
 767                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 768                 GL_DepthMask(false);
 769         }
 770         else
 771         {
 772                 rendertype = SURFRENDER_OPAQUE;
 773                 GL_BlendFunc(GL_ONE, GL_ZERO);
 774                 GL_DepthMask(!(ent->effects & EF_NODEPTHTEST));
 775         }
 776
 777         turb = (surf->flags & SURF_DRAWTURB) && r_waterscroll.value;
 778         fullbright = !(ent->flags & RENDER_LIGHT) || (surf->flags & SURF_DRAWFULLBRIGHT) || !surf->samples;
 779         base = fullbright ? 2.0f : r_ambient.value * (1.0f / 64.0f);
 780         if (surf->flags & SURF_DRAWTURB)
 781                 base *= 0.5f;
 782         if ((surf->flags & SURF_DRAWTURB) && gl_textureshader && r_watershader.value && !fogenabled && fullbright && ent->colormod[0] == 1 && ent->colormod[1] == 1 && ent->colormod[2] == 1)
 783         {
 784                 // NVIDIA Geforce3 distortion texture shader on water
 785                 GL_Color(1, 1, 1, currentalpha);
 786                 memset(&m, 0, sizeof(m));
 787                 m.pointer_vertex = surf->mesh.data_vertex3f;
 788                 m.tex[0] = R_GetTexture(mod_shared_distorttexture[(int)(r_refdef.time * 16)&63]);
 789                 m.tex[1] = R_GetTexture(texture->skin.base);
 790                 m.texcombinergb[0] = GL_REPLACE;
 791                 m.texcombinergb[1] = GL_REPLACE;
 792                 m.pointer_texcoord[0] = surf->mesh.data_texcoordtexture2f;
 793                 m.pointer_texcoord[1] = surf->mesh.data_texcoordtexture2f;
 794                 Matrix4x4_CreateFromQuakeEntity(&m.texmatrix[0], 0, 0, 0, 0, 0, 0, r_watershader.value);
 795                 Matrix4x4_CreateTranslate(&m.texmatrix[1], sin(r_refdef.time) * 0.025 * r_waterscroll.value, sin(r_refdef.time * 0.8f) * 0.025 * r_waterscroll.value, 0);
 796                 R_Mesh_State(&m);
 797
 798                 GL_ActiveTexture(0);
 799                 qglTexEnvi(GL_TEXTURE_SHADER_NV, GL_SHADER_OPERATION_NV, GL_TEXTURE_2D);
 800                 GL_ActiveTexture(1);
 801                 qglTexEnvi(GL_TEXTURE_SHADER_NV, GL_SHADER_OPERATION_NV, GL_OFFSET_TEXTURE_2D_NV);
 802                 qglTexEnvi(GL_TEXTURE_SHADER_NV, GL_PREVIOUS_TEXTURE_INPUT_NV, GL_TEXTURE0_ARB);
 803                 qglTexEnvfv(GL_TEXTURE_SHADER_NV, GL_OFFSET_TEXTURE_MATRIX_NV, &args[0]);
 804                 qglEnable(GL_TEXTURE_SHADER_NV);
 805
 806                 GL_LockArrays(0, surf->mesh.num_vertices);
 807                 R_Mesh_Draw(surf->mesh.num_vertices, surf->mesh.num_triangles, surf->mesh.data_element3i);
 808                 GL_LockArrays(0, 0);
 809
 810                 qglDisable(GL_TEXTURE_SHADER_NV);
 811                 qglTexEnvi(GL_TEXTURE_SHADER_NV, GL_SHADER_OPERATION_NV, GL_TEXTURE_2D);
 812                 GL_ActiveTexture(0);
 813         }
 814         else
 815         {
 816                 memset(&m, 0, sizeof(m));
 817                 m.pointer_vertex = surf->mesh.data_vertex3f;
 818                 m.pointer_color = varray_color4f;
 819                 m.pointer_texcoord[0] = surf->mesh.data_texcoordtexture2f;
 820                 m.tex[0] = R_GetTexture(texture->skin.base);
 821                 if (turb)
 822                 {
 823                         // scrolling in texture matrix
 824                         Matrix4x4_CreateTranslate(&m.texmatrix[0], sin(r_refdef.time) * 0.025 * r_waterscroll.value, sin(r_refdef.time * 0.8f) * 0.025 * r_waterscroll.value, 0);
 825                 }
 826                 colorscale = 1;
 827                 if (gl_combine.integer)
 828                 {
 829                         m.texrgbscale[0] = 4;
 830                         colorscale *= 0.25f;
 831                 }
 832                 R_FillColors(varray_color4f, surf->mesh.num_vertices, base * ent->colormod[0], base * ent->colormod[1], base * ent->colormod[2], currentalpha);
 833                 if (!fullbright)
 834                 {
 835                         if (surf->dlightframe == r_framecount)
 836                                 RSurf_LightSeparate_Vertex3f_Color4f(&ent->inversematrix, surf->dlightbits, surf->mesh.num_vertices, surf->mesh.data_vertex3f, varray_color4f, 1);
 837                         if (surf->samples)
 838                                 RSurf_AddLightmapToVertexColors_Color4f(surf->mesh.data_lightmapoffsets, varray_color4f,surf->mesh.num_vertices, surf->samples, ((surf->extents[0]>>4)+1)*((surf->extents[1]>>4)+1)*3, surf->styles);
 839                 }
 840                 RSurf_FogColors_Vertex3f_Color4f(surf->mesh.data_vertex3f, varray_color4f, colorscale, surf->mesh.num_vertices, modelorg);
 841                 R_Mesh_State(&m);
 842                 GL_LockArrays(0, surf->mesh.num_vertices);
 843                 R_Mesh_Draw(surf->mesh.num_vertices, surf->mesh.num_triangles, surf->mesh.data_element3i);
 844                 GL_LockArrays(0, 0);
 845                 if (texture->skin.glow)
 846                 {
 847                         memset(&m, 0, sizeof(m));
 848                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
 849                         GL_DepthMask(false);
 850                         m.pointer_color = varray_color4f;
 851                         m.tex[0] = R_GetTexture(texture->skin.glow);
 852                         m.pointer_vertex = surf->mesh.data_vertex3f;
 853                         if (m.tex[0])
 854                         {
 855                                 m.pointer_texcoord[0] = surf->mesh.data_texcoordtexture2f;
 856                                 if (turb)
 857                                 {
 858                                         // scrolling in texture matrix
 859                                         Matrix4x4_CreateTranslate(&m.texmatrix[0], sin(r_refdef.time) * 0.025 * r_waterscroll.value, sin(r_refdef.time * 0.8f) * 0.025 * r_waterscroll.value, 0);
 860                                 }
 861                         }
 862                         R_Mesh_State(&m);
 863                         RSurf_FoggedColors_Vertex3f_Color4f(surf->mesh.data_vertex3f, varray_color4f, 1, 1, 1, currentalpha, 1, surf->mesh.num_vertices, modelorg);
 864                         GL_LockArrays(0, surf->mesh.num_vertices);
 865                         R_Mesh_Draw(surf->mesh.num_vertices, surf->mesh.num_triangles, surf->mesh.data_element3i);
 866                         GL_LockArrays(0, 0);
 867                 }
 868                 if (fogenabled && rendertype != SURFRENDER_ADD)
 869                 {
 870                         memset(&m, 0, sizeof(m));
 871                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
 872                         GL_DepthMask(false);
 873                         m.pointer_color = varray_color4f;
 874                         m.tex[0] = R_GetTexture(texture->skin.fog);
 875                         m.pointer_vertex = surf->mesh.data_vertex3f;
 876                         if (m.tex[0])
 877                         {
 878                                 m.pointer_texcoord[0] = surf->mesh.data_texcoordtexture2f;
 879                                 if (turb)
 880                                 {
 881                                         // scrolling in texture matrix
 882                                         Matrix4x4_CreateTranslate(&m.texmatrix[0], sin(r_refdef.time) * 0.025 * r_waterscroll.value, sin(r_refdef.time * 0.8f) * 0.025 * r_waterscroll.value, 0);
 883                                 }
 884                         }
 885                         R_Mesh_State(&m);
 886                         RSurf_FogPassColors_Vertex3f_Color4f(surf->mesh.data_vertex3f, varray_color4f, fogcolor[0], fogcolor[1], fogcolor[2], currentalpha, 1, surf->mesh.num_vertices, modelorg);
 887                         GL_LockArrays(0, surf->mesh.num_vertices);
 888                         R_Mesh_Draw(surf->mesh.num_vertices, surf->mesh.num_triangles, surf->mesh.data_element3i);
 889                         GL_LockArrays(0, 0);
 890                 }
 891         }
 892 }
 893
 894 void R_UpdateTextureInfo(entity_render_t *ent)
 895 {
 896         int i, texframe, alttextures;
 897         texture_t *t;
 898
 899         if (!ent->model)
 900                 return;
 901
 902         alttextures = ent->frame != 0;
 903         texframe = (int)(r_refdef.time * 5.0f);
 904         for (i = 0;i < ent->model->brushq1.numtextures;i++)
 905         {
 906                 t = ent->model->brushq1.textures + i;
 907                 t->currentalpha = ent->alpha;
 908                 if (t->flags & SURF_WATERALPHA)
 909                         t->currentalpha *= r_wateralpha.value;
 910                 if (ent->effects & EF_ADDITIVE)
 911                         t->rendertype = SURFRENDER_ADD;
 912                 else if (t->currentalpha < 1 || t->skin.fog != NULL)
 913                         t->rendertype = SURFRENDER_ALPHA;
 914                 else
 915                         t->rendertype = SURFRENDER_OPAQUE;
 916                 // we don't need to set currentframe if t->animated is false because
 917                 // it was already set up by the texture loader for non-animating
 918                 if (t->animated)
 919                         t->currentframe = t->anim_frames[alttextures][(t->anim_total[alttextures] >= 2) ? (texframe % t->anim_total[alttextures]) : 0];
 920         }
 921 }
 922
 923 void R_DrawSurfaceList(entity_render_t *ent, texture_t *texture, int texturenumsurfaces, msurface_t **texturesurfacelist)
 924 {
 925         int texturesurfaceindex;
 926         vec3_t center, modelorg;
 927         rmeshstate_t m;
 928         Matrix4x4_Transform(&ent->inversematrix, r_vieworigin, modelorg);
 929         if (gl_lightmaps.integer)
 930         {
 931                 GL_BlendFunc(GL_ONE, GL_ZERO);
 932                 GL_DepthMask(true);
 933                 GL_DepthTest(true);
 934                 GL_Color(1, 1, 1, 1);
 935                 memset(&m, 0, sizeof(m));
 936                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
 937                 {
 938                         msurface_t *surface = texturesurfacelist[texturesurfaceindex];
 939                         m.tex[0] = R_GetTexture(surface->lightmaptexture);
 940                         m.pointer_vertex = surface->mesh.data_vertex3f;
 941                         m.pointer_texcoord[0] = surface->mesh.data_texcoordlightmap2f;
 942                         R_Mesh_State(&m);
 943                         GL_LockArrays(0, surface->mesh.num_vertices);
 944                         R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
 945                         GL_LockArrays(0, 0);
 946                 }
 947         }
 948         else if (texture->rendertype != SURFRENDER_OPAQUE)
 949         {
 950                 // transparent vertex shaded from lightmap
 951                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
 952                 {
 953                         msurface_t *surface = texturesurfacelist[texturesurfaceindex];
 954                         Matrix4x4_Transform(&ent->matrix, surface->poly_center, center);
 955                         R_MeshQueue_AddTransparent(ent->effects & EF_NODEPTHTEST ? r_vieworigin : center, RSurfShader_Transparent_Callback, ent, surface - ent->model->brushq1.surfaces);
 956                 }
 957         }
 958         else if (texture->flags & SURF_LIGHTMAP)
 959         {
 960                 qboolean dolightmap = (ent->flags & RENDER_LIGHT);
 961                 qboolean dobase = true;
 962                 qboolean doambient = r_ambient.value > 0;
 963                 qboolean dodetail = r_detailtextures.integer != 0;
 964                 qboolean doglow = texture->skin.glow != NULL;
 965                 qboolean dofog = fogenabled;
 966                 // multitexture cases
 967                 if (r_textureunits.integer >= 2 && gl_combine.integer && dobase && dolightmap)
 968                 {
 969                         dobase = false;
 970                         dolightmap = false;
 971                         GL_BlendFunc(GL_ONE, GL_ZERO);
 972                         GL_DepthMask(true);
 973                         GL_DepthTest(true);
 974                         GL_Color(1, 1, 1, 1);
 975                         GL_Color(r_lightmapintensity * ent->colormod[0], r_lightmapintensity * ent->colormod[1], r_lightmapintensity * ent->colormod[2], 1);
 976                         memset(&m, 0, sizeof(m));
 977                         m.tex[0] = R_GetTexture(texture->skin.base);
 978                         m.texrgbscale[1] = 2;
 979                         if (r_textureunits.integer >= 3 && !doambient && dodetail)
 980                         {
 981                                 m.tex[2] = R_GetTexture(texture->skin.detail);
 982                                 m.texrgbscale[2] = 2;
 983                                 dodetail = false;
 984                                 if (r_textureunits.integer >= 3 && texture->skin.glow)
 985                                 {
 986                                         m.tex[3] = R_GetTexture(texture->skin.glow);
 987                                         m.texcombinergb[3] = GL_ADD;
 988                                         doglow = false;
 989                                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
 990                                         {
 991                                                 msurface_t *surface = texturesurfacelist[texturesurfaceindex];
 992                                                 m.tex[1] = R_GetTexture(surface->lightmaptexture);
 993                                                 m.pointer_vertex = surface->mesh.data_vertex3f;
 994                                                 m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
 995                                                 m.pointer_texcoord[1] = surface->mesh.data_texcoordlightmap2f;
 996                                                 m.pointer_texcoord[2] = surface->mesh.data_texcoorddetail2f;
 997                                                 m.pointer_texcoord[3] = surface->mesh.data_texcoordtexture2f;
 998                                                 R_Mesh_State(&m);
 999                                                 GL_LockArrays(0, surface->mesh.num_vertices);
1000                                                 R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1001                                                 GL_LockArrays(0, 0);
1002                                         }
1003                                 }
1004                                 else
1005                                 {
1006                                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1007                                         {
1008                                                 msurface_t *surface = texturesurfacelist[texturesurfaceindex];
1009                                                 m.tex[1] = R_GetTexture(surface->lightmaptexture);
1010                                                 m.pointer_vertex = surface->mesh.data_vertex3f;
1011                                                 m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
1012                                                 m.pointer_texcoord[1] = surface->mesh.data_texcoordlightmap2f;
1013                                                 m.pointer_texcoord[2] = surface->mesh.data_texcoorddetail2f;
1014                                                 R_Mesh_State(&m);
1015                                                 GL_LockArrays(0, surface->mesh.num_vertices);
1016                                                 R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1017                                                 GL_LockArrays(0, 0);
1018                                         }
1019                                 }
1020                         }
1021                         else if (r_textureunits.integer >= 3 && !doambient && !dodetail && doglow)
1022                         {
1023                                 m.tex[2] = R_GetTexture(texture->skin.glow);
1024                                 m.texcombinergb[2] = GL_ADD;
1025                                 doglow = false;
1026                                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1027                                 {
1028                                         msurface_t *surface = texturesurfacelist[texturesurfaceindex];
1029                                         m.tex[1] = R_GetTexture(surface->lightmaptexture);
1030                                         m.pointer_vertex = surface->mesh.data_vertex3f;
1031                                         m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
1032                                         m.pointer_texcoord[1] = surface->mesh.data_texcoordlightmap2f;
1033                                         m.pointer_texcoord[2] = surface->mesh.data_texcoordtexture2f;
1034                                         R_Mesh_State(&m);
1035                                         GL_LockArrays(0, surface->mesh.num_vertices);
1036                                         R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1037                                         GL_LockArrays(0, 0);
1038                                 }
1039                         }
1040                 }
1041                 // anything not handled above
1042                 if (dobase)
1043                 {
1044                         GL_BlendFunc(GL_ONE, GL_ZERO);
1045                         GL_DepthMask(true);
1046                         GL_DepthTest(true);
1047                         GL_Color(1, 1, 1, 1);
1048                         if (ent->flags & RENDER_LIGHT)
1049                                 GL_Color(r_lightmapintensity * ent->colormod[0], r_lightmapintensity * ent->colormod[1], r_lightmapintensity * ent->colormod[2], 1);
1050                         else
1051                                 GL_Color(ent->colormod[0], ent->colormod[1], ent->colormod[2], 1);
1052                         memset(&m, 0, sizeof(m));
1053                         m.tex[0] = R_GetTexture(texture->skin.base);
1054                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1055                         {
1056                                 msurface_t *surface = texturesurfacelist[texturesurfaceindex];
1057                                 m.pointer_vertex = surface->mesh.data_vertex3f;
1058                                 m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
1059                                 R_Mesh_State(&m);
1060                                 GL_LockArrays(0, surface->mesh.num_vertices);
1061                                 R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1062                                 GL_LockArrays(0, 0);
1063                         }
1064                 }
1065                 GL_DepthMask(false);
1066                 if (dolightmap)
1067                 {
1068                         GL_BlendFunc(GL_DST_COLOR, GL_SRC_COLOR);
1069                         GL_DepthMask(false);
1070                         GL_DepthTest(true);
1071                         GL_Color(1, 1, 1, 1);
1072                         memset(&m, 0, sizeof(m));
1073                         m.tex[0] = R_GetTexture(texture->skin.base);
1074                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1075                         {
1076                                 msurface_t *surface = texturesurfacelist[texturesurfaceindex];
1077                                 m.tex[0] = R_GetTexture(surface->lightmaptexture);
1078                                 m.pointer_vertex = surface->mesh.data_vertex3f;
1079                                 m.pointer_texcoord[0] = surface->mesh.data_texcoordlightmap2f;
1080                                 R_Mesh_State(&m);
1081                                 GL_LockArrays(0, surface->mesh.num_vertices);
1082                                 R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1083                                 GL_LockArrays(0, 0);
1084                         }
1085                 }
1086                 if (doambient)
1087                 {
1088                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1089                         GL_DepthMask(false);
1090                         GL_DepthTest(true);
1091                         memset(&m, 0, sizeof(m));
1092                         GL_Color(r_ambient.value * (1.0f / 128.0f) * ent->colormod[0], r_ambient.value * (1.0f / 128.0f) * ent->colormod[1], r_ambient.value * (1.0f / 128.0f) * ent->colormod[2], 1);
1093                         m.tex[0] = R_GetTexture(texture->skin.base);
1094                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1095                         {
1096                                 msurface_t *surface = texturesurfacelist[texturesurfaceindex];
1097                                 m.pointer_vertex = surface->mesh.data_vertex3f;
1098                                 m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
1099                                 R_Mesh_State(&m);
1100                                 GL_LockArrays(0, surface->mesh.num_vertices);
1101                                 R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1102                                 GL_LockArrays(0, 0);
1103                         }
1104                 }
1105                 if (dodetail)
1106                 {
1107                         GL_BlendFunc(GL_DST_COLOR, GL_SRC_COLOR);
1108                         GL_DepthMask(false);
1109                         GL_DepthTest(true);
1110                         GL_Color(1, 1, 1, 1);
1111                         memset(&m, 0, sizeof(m));
1112                         m.tex[0] = R_GetTexture(texture->skin.detail);
1113                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1114                         {
1115                                 msurface_t *surface = texturesurfacelist[texturesurfaceindex];
1116                                 m.pointer_vertex = surface->mesh.data_vertex3f;
1117                                 m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
1118                                 R_Mesh_State(&m);
1119                                 GL_LockArrays(0, surface->mesh.num_vertices);
1120                                 R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1121                                 GL_LockArrays(0, 0);
1122                         }
1123                 }
1124                 if (doglow)
1125                 {
1126                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1127                         GL_DepthMask(false);
1128                         GL_DepthTest(true);
1129                         GL_Color(1, 1, 1, 1);
1130                         memset(&m, 0, sizeof(m));
1131                         m.tex[0] = R_GetTexture(texture->skin.glow);
1132                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1133                         {
1134                                 msurface_t *surface = texturesurfacelist[texturesurfaceindex];
1135                                 m.pointer_vertex = surface->mesh.data_vertex3f;
1136                                 m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
1137                                 R_Mesh_State(&m);
1138                                 GL_LockArrays(0, surface->mesh.num_vertices);
1139                                 R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1140                                 GL_LockArrays(0, 0);
1141                         }
1142                 }
1143                 if (dofog)
1144                 {
1145                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1146                         GL_DepthMask(false);
1147                         GL_DepthTest(true);
1148                         memset(&m, 0, sizeof(m));
1149                         m.pointer_color = varray_color4f;
1150                         m.tex[0] = R_GetTexture(texture->skin.glow);
1151                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1152                         {
1153                                 msurface_t *surface = texturesurfacelist[texturesurfaceindex];
1154                                 m.pointer_vertex = surface->mesh.data_vertex3f;
1155                                 if (m.tex[0])
1156                                         m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
1157                                 R_Mesh_State(&m);
1158                                 RSurf_FogPassColors_Vertex3f_Color4f(surface->mesh.data_vertex3f, varray_color4f, fogcolor[0], fogcolor[1], fogcolor[2], 1, 1, surface->mesh.num_vertices, modelorg);
1159                                 GL_LockArrays(0, surface->mesh.num_vertices);
1160                                 R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1161                                 GL_LockArrays(0, 0);
1162                         }
1163                 }
1164         }
1165         else if (texture->flags & SURF_DRAWTURB)
1166         {
1167                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1168                 {
1169                         msurface_t *surface = texturesurfacelist[texturesurfaceindex];
1170                         RSurfShader_Transparent_Callback(ent, surface - ent->model->brushq1.surfaces);
1171                 }
1172         }
1173         else if (texture->flags & SURF_DRAWSKY)
1174         {
1175                 if (skyrendernow)
1176                 {
1177                         skyrendernow = false;
1178                         if (skyrendermasked)
1179                                 R_Sky();
1180                 }
1181                 // LordHavoc: HalfLife maps have freaky skypolys...
1182                 if (!ent->model->brush.ishlbsp)
1183                 {
1184                         R_Mesh_Matrix(&ent->matrix);
1185                         GL_Color(fogcolor[0], fogcolor[1], fogcolor[2], 1);
1186                         if (skyrendermasked)
1187                         {
1188                                 // depth-only (masking)
1189                                 GL_ColorMask(0,0,0,0);
1190                                 // just to make sure that braindead drivers don't draw anything
1191                                 // despite that colormask...
1192                                 GL_BlendFunc(GL_ZERO, GL_ONE);
1193                         }
1194                         else
1195                         {
1196                                 // fog sky
1197                                 GL_BlendFunc(GL_ONE, GL_ZERO);
1198                         }
1199                         GL_DepthMask(true);
1200                         GL_DepthTest(true);
1201                         memset(&m, 0, sizeof(m));
1202                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1203                         {
1204                                 msurface_t *surface = texturesurfacelist[texturesurfaceindex];
1205                                 m.pointer_vertex = surface->mesh.data_vertex3f;
1206                                 R_Mesh_State(&m);
1207                                 GL_LockArrays(0, surface->mesh.num_vertices);
1208                                 R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1209                                 GL_LockArrays(0, 0);
1210                         }
1211                         GL_ColorMask(r_refdef.colormask[0], r_refdef.colormask[1], r_refdef.colormask[2], 1);
1212                 }
1213         }
1214 }
1215
1216 void R_DrawSurfaces(entity_render_t *ent, qboolean skysurfaces)
1217 {
1218         int i, j, f, flagsmask;
1219         msurface_t *surface, **surfacechain;
1220         texture_t *t, *texture;
1221         model_t *model = ent->model;
1222         vec3_t modelorg;
1223         const int maxsurfacelist = 1024;
1224         int numsurfacelist = 0;
1225         msurface_t *surfacelist[1024];
1226         if (model == NULL)
1227                 return;
1228         R_Mesh_Matrix(&ent->matrix);
1229         Matrix4x4_Transform(&ent->inversematrix, r_vieworigin, modelorg);
1230
1231         if (ent != r_refdef.worldentity)
1232         {
1233                 // because bmodels can be reused, we have to clear dlightframe every time
1234                 surface = model->brushq1.surfaces + model->firstmodelsurface;
1235                 for (i = 0;i < model->nummodelsurfaces;i++, surface++)
1236                         surface->dlightframe = -1;
1237         }
1238
1239         // update light styles
1240         if (!skysurfaces)
1241         {
1242                 if (r_dynamic.integer && !r_rtdlight)
1243                         R_MarkLights(ent);
1244                 for (i = 0;i < model->brushq1.light_styles;i++)
1245                 {
1246                         if (model->brushq1.light_stylevalue[i] != d_lightstylevalue[model->brushq1.light_style[i]])
1247                         {
1248                                 model->brushq1.light_stylevalue[i] = d_lightstylevalue[model->brushq1.light_style[i]];
1249                                 if ((surfacechain = model->brushq1.light_styleupdatechains[i]))
1250                                         for (;(surface = *surfacechain);surfacechain++)
1251                                                 surface->cached_dlight = true;
1252                         }
1253                 }
1254         }
1255
1256         R_UpdateTextureInfo(ent);
1257         flagsmask = skysurfaces ? SURF_DRAWSKY : (SURF_DRAWTURB | SURF_LIGHTMAP);
1258         f = 0;
1259         t = NULL;
1260         numsurfacelist = 0;
1261         for (i = 0, j = model->firstmodelsurface;i < model->nummodelsurfaces;i++, j++)
1262         {
1263                 if (ent != r_refdef.worldentity || r_worldsurfacevisible[j])
1264                 {
1265                         surface = model->brushq1.surfaces + j;
1266                         if (t != surface->texinfo->texture)
1267                         {
1268                                 if (numsurfacelist)
1269                                 {
1270                                         R_DrawSurfaceList(ent, texture, numsurfacelist, surfacelist);
1271                                         numsurfacelist = 0;
1272                                 }
1273                                 t = surface->texinfo->texture;
1274                                 f = t->flags & flagsmask;
1275                                 texture = t->currentframe;
1276                         }
1277                         if (f)
1278                         {
1279                                 // add face to draw list and update lightmap if necessary
1280                                 c_faces++;
1281                                 if (surface->cached_dlight && surface->lightmaptexture != NULL)
1282                                         R_BuildLightMap(ent, surface);
1283                                 surfacelist[numsurfacelist++] = surface;
1284                                 if (numsurfacelist >= maxsurfacelist)
1285                                 {
1286                                         R_DrawSurfaceList(ent, texture, numsurfacelist, surfacelist);
1287                                         numsurfacelist = 0;
1288                                 }
1289                         }
1290                 }
1291         }
1292         if (numsurfacelist)
1293                 R_DrawSurfaceList(ent, texture, numsurfacelist, surfacelist);
1294 }
1295
1296 static void R_DrawPortal_Callback(const void *calldata1, int calldata2)
1297 {
1298         int i;
1299         float *v;
1300         rmeshstate_t m;
1301         const mportal_t *portal = calldata1;
1302         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1303         GL_DepthMask(false);
1304         GL_DepthTest(true);
1305         R_Mesh_Matrix(&r_identitymatrix);
1306
1307         memset(&m, 0, sizeof(m));
1308         m.pointer_vertex = varray_vertex3f;
1309         R_Mesh_State(&m);
1310
1311         i = calldata2;
1312         GL_Color(((i & 0x0007) >> 0) * (1.0f / 7.0f),
1313                          ((i & 0x0038) >> 3) * (1.0f / 7.0f),
1314                          ((i & 0x01C0) >> 6) * (1.0f / 7.0f),
1315                          0.125f);
1316         if (PlaneDiff(r_vieworigin, (&portal->plane)) < 0)
1317         {
1318                 for (i = portal->numpoints - 1, v = varray_vertex3f;i >= 0;i--, v += 3)
1319                         VectorCopy(portal->points[i].position, v);
1320         }
1321         else
1322                 for (i = 0, v = varray_vertex3f;i < portal->numpoints;i++, v += 3)
1323                         VectorCopy(portal->points[i].position, v);
1324         GL_LockArrays(0, portal->numpoints);
1325         R_Mesh_Draw(portal->numpoints, portal->numpoints - 2, polygonelements);
1326         GL_LockArrays(0, 0);
1327 }
1328
1329 // LordHavoc: this is just a nice debugging tool, very slow
1330 static void R_DrawPortals(void)
1331 {
1332         int i, portalnum;
1333         mportal_t *portal;
1334         float center[3], f;
1335         model_t *model = r_refdef.worldmodel;
1336         if (model == NULL)
1337                 return;
1338         for (portalnum = 0, portal = model->brushq1.portals;portalnum < model->brushq1.numportals;portalnum++, portal++)
1339         {
1340                 if (portal->numpoints <= POLYGONELEMENTS_MAXPOINTS)
1341                 if (!R_CullBox(portal->mins, portal->maxs))
1342                 {
1343                         VectorClear(center);
1344                         for (i = 0;i < portal->numpoints;i++)
1345                                 VectorAdd(center, portal->points[i].position, center);
1346                         f = ixtable[portal->numpoints];
1347                         VectorScale(center, f, center);
1348                         R_MeshQueue_AddTransparent(center, R_DrawPortal_Callback, portal, portalnum);
1349                 }
1350         }
1351 }
1352
1353 void R_WorldVisibility(void)
1354 {
1355         int i, j, *mark;
1356         mleaf_t *leaf;
1357         mleaf_t *viewleaf;
1358         model_t *model = r_refdef.worldmodel;
1359         int leafstackpos;
1360         mportal_t *p;
1361         mleaf_t *leafstack[8192];
1362         qbyte leafvisited[32768];
1363
1364         if (!model || !model->brushq1.PointInLeaf)
1365                 return;
1366
1367         viewleaf = model->brushq1.PointInLeaf(model, r_vieworigin);
1368         if (!viewleaf)
1369                 return;
1370
1371         memset(r_worldsurfacevisible, 0, r_refdef.worldmodel->brushq1.numsurfaces);
1372         if (viewleaf->clusterindex < 0 || r_surfaceworldnode.integer)
1373         {
1374                 // equivilant to quake's RecursiveWorldNode but faster and more effective
1375                 for (j = 0, leaf = model->brushq1.data_leafs;j < model->brushq1.num_leafs;j++, leaf++)
1376                 {
1377                         if (CHECKPVSBIT(r_pvsbits, leaf->clusterindex) && !R_CullBox (leaf->mins, leaf->maxs))
1378                         {
1379                                 c_leafs++;
1380                                 if (leaf->nummarksurfaces)
1381                                         for (i = 0, mark = leaf->firstmarksurface;i < leaf->nummarksurfaces;i++, mark++)
1382                                                 r_worldsurfacevisible[*mark] = true;
1383                         }
1384                 }
1385         }
1386         else
1387         {
1388                 // LordHavoc: portal-passage worldnode with PVS;
1389                 // follows portals leading outward from viewleaf, does not venture
1390                 // offscreen or into leafs that are not visible, faster than Quake's
1391                 // RecursiveWorldNode
1392                 leafstack[0] = viewleaf;
1393                 leafstackpos = 1;
1394                 memset(leafvisited, 0, r_refdef.worldmodel->brushq1.num_leafs);
1395                 while (leafstackpos)
1396                 {
1397                         c_leafs++;
1398                         leaf = leafstack[--leafstackpos];
1399                         leafvisited[leaf - r_refdef.worldmodel->brushq1.data_leafs] = 1;
1400                         // draw any surfaces bounding this leaf
1401                         if (leaf->nummarksurfaces)
1402                                 for (i = 0, mark = leaf->firstmarksurface;i < leaf->nummarksurfaces;i++, mark++)
1403                                         r_worldsurfacevisible[*mark] = true;
1404                         // follow portals into other leafs
1405                         for (p = leaf->portals;p;p = p->next)
1406                                 if (DotProduct(r_vieworigin, p->plane.normal) < (p->plane.dist + 1) && !leafvisited[p->past - r_refdef.worldmodel->brushq1.data_leafs] && CHECKPVSBIT(r_pvsbits, p->past->clusterindex) && !R_CullBox(p->mins, p->maxs))
1407                                         leafstack[leafstackpos++] = p->past;
1408                 }
1409         }
1410
1411         if (r_drawportals.integer)
1412                 R_DrawPortals();
1413 }
1414
1415 void R_Q1BSP_DrawSky(entity_render_t *ent)
1416 {
1417         if (ent->model == NULL)
1418                 return;
1419         R_DrawSurfaces(ent, true);
1420 }
1421
1422 void R_Q1BSP_Draw(entity_render_t *ent)
1423 {
1424         if (ent->model == NULL)
1425                 return;
1426         c_bmodels++;
1427         R_DrawSurfaces(ent, false);
1428 }
1429
1430 void R_Q1BSP_GetLightInfo(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, vec3_t outmins, vec3_t outmaxs, int *outclusterlist, qbyte *outclusterpvs, int *outnumclusterspointer, int *outsurfacelist, qbyte *outsurfacepvs, int *outnumsurfacespointer)
1431 {
1432         model_t *model = ent->model;
1433         vec3_t lightmins, lightmaxs;
1434         int t, leafindex, marksurfaceindex, surfaceindex, triangleindex, outnumclusters = 0, outnumsurfaces = 0;
1435         const int *e;
1436         const float *v[3];
1437         msurface_t *surface;
1438         mleaf_t *leaf;
1439         const qbyte *pvs;
1440         lightmins[0] = relativelightorigin[0] - lightradius;
1441         lightmins[1] = relativelightorigin[1] - lightradius;
1442         lightmins[2] = relativelightorigin[2] - lightradius;
1443         lightmaxs[0] = relativelightorigin[0] + lightradius;
1444         lightmaxs[1] = relativelightorigin[1] + lightradius;
1445         lightmaxs[2] = relativelightorigin[2] + lightradius;
1446         *outnumclusterspointer = 0;
1447         *outnumsurfacespointer = 0;
1448         memset(outclusterpvs, 0, model->brush.num_pvsclusterbytes);
1449         memset(outsurfacepvs, 0, (model->nummodelsurfaces + 7) >> 3);
1450         if (model == NULL)
1451         {
1452                 VectorCopy(lightmins, outmins);
1453                 VectorCopy(lightmaxs, outmaxs);
1454                 return;
1455         }
1456         VectorCopy(relativelightorigin, outmins);
1457         VectorCopy(relativelightorigin, outmaxs);
1458         if (model->brush.GetPVS)
1459                 pvs = model->brush.GetPVS(model, relativelightorigin);
1460         else
1461                 pvs = NULL;
1462         // FIXME: use BSP recursion as lights are often small
1463         for (leafindex = 0, leaf = model->brushq1.data_leafs;leafindex < model->brushq1.num_leafs;leafindex++, leaf++)
1464         {
1465                 if (BoxesOverlap(lightmins, lightmaxs, leaf->mins, leaf->maxs) && (pvs == NULL || CHECKPVSBIT(pvs, leaf->clusterindex)))
1466                 {
1467                         outmins[0] = min(outmins[0], leaf->mins[0]);
1468                         outmins[1] = min(outmins[1], leaf->mins[1]);
1469                         outmins[2] = min(outmins[2], leaf->mins[2]);
1470                         outmaxs[0] = max(outmaxs[0], leaf->maxs[0]);
1471                         outmaxs[1] = max(outmaxs[1], leaf->maxs[1]);
1472                         outmaxs[2] = max(outmaxs[2], leaf->maxs[2]);
1473                         if (outclusterpvs)
1474                         {
1475                                 if (!CHECKPVSBIT(outclusterpvs, leaf->clusterindex))
1476                                 {
1477                                         SETPVSBIT(outclusterpvs, leaf->clusterindex);
1478                                         outclusterlist[outnumclusters++] = leaf->clusterindex;
1479                                 }
1480                         }
1481                         if (outsurfacepvs)
1482                         {
1483                                 for (marksurfaceindex = 0;marksurfaceindex < leaf->nummarksurfaces;marksurfaceindex++)
1484                                 {
1485                                         surfaceindex = leaf->firstmarksurface[marksurfaceindex];
1486                                         if (!CHECKPVSBIT(outsurfacepvs, surfaceindex))
1487                                         {
1488                                                 surface = model->brushq1.surfaces + surfaceindex;
1489                                                 if (BoxesOverlap(lightmins, lightmaxs, surface->poly_mins, surface->poly_maxs) && (surface->flags & SURF_LIGHTMAP) && !surface->texinfo->texture->skin.fog)
1490                                                 {
1491                                                         for (triangleindex = 0, t = surface->num_firstshadowmeshtriangle, e = model->brush.shadowmesh->element3i + t * 3;triangleindex < surface->mesh.num_triangles;triangleindex++, t++, e += 3)
1492                                                         {
1493                                                                 v[0] = model->brush.shadowmesh->vertex3f + e[0] * 3;
1494                                                                 v[1] = model->brush.shadowmesh->vertex3f + e[1] * 3;
1495                                                                 v[2] = model->brush.shadowmesh->vertex3f + e[2] * 3;
1496                                                                 if (PointInfrontOfTriangle(relativelightorigin, v[0], v[1], v[2]) && lightmaxs[0] > min(v[0][0], min(v[1][0], v[2][0])) && lightmins[0] < max(v[0][0], max(v[1][0], v[2][0])) && lightmaxs[1] > min(v[0][1], min(v[1][1], v[2][1])) && lightmins[1] < max(v[0][1], max(v[1][1], v[2][1])) && lightmaxs[2] > min(v[0][2], min(v[1][2], v[2][2])) && lightmins[2] < max(v[0][2], max(v[1][2], v[2][2])))
1497                                                                 {
1498                                                                         SETPVSBIT(outsurfacepvs, surfaceindex);
1499                                                                         outsurfacelist[outnumsurfaces++] = surfaceindex;
1500                                                                         break;
1501                                                                 }
1502                                                         }
1503                                                 }
1504                                         }
1505                                 }
1506                         }
1507                 }
1508         }
1509
1510         // limit combined leaf box to light boundaries
1511         outmins[0] = max(outmins[0], lightmins[0]);
1512         outmins[1] = max(outmins[1], lightmins[1]);
1513         outmins[2] = max(outmins[2], lightmins[2]);
1514         outmaxs[0] = min(outmaxs[0], lightmaxs[0]);
1515         outmaxs[1] = min(outmaxs[1], lightmaxs[1]);
1516         outmaxs[2] = min(outmaxs[2], lightmaxs[2]);
1517
1518         *outnumclusterspointer = outnumclusters;
1519         *outnumsurfacespointer = outnumsurfaces;
1520 }
1521
1522 void R_Q1BSP_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int numsurfaces, const int *surfacelist)
1523 {
1524         model_t *model = ent->model;
1525         vec3_t lightmins, lightmaxs;
1526         msurface_t *surface;
1527         int surfacelistindex;
1528         if (r_drawcollisionbrushes.integer < 2)
1529         {
1530                 lightmins[0] = relativelightorigin[0] - lightradius;
1531                 lightmins[1] = relativelightorigin[1] - lightradius;
1532                 lightmins[2] = relativelightorigin[2] - lightradius;
1533                 lightmaxs[0] = relativelightorigin[0] + lightradius;
1534                 lightmaxs[1] = relativelightorigin[1] + lightradius;
1535                 lightmaxs[2] = relativelightorigin[2] + lightradius;
1536                 R_Mesh_Matrix(&ent->matrix);
1537                 R_Shadow_PrepareShadowMark(model->brush.shadowmesh->numtriangles);
1538                 for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++)
1539                 {
1540                         surface = model->brushq1.surfaces + surfacelist[surfacelistindex];
1541                         R_Shadow_MarkVolumeFromBox(surface->num_firstshadowmeshtriangle, surface->mesh.num_triangles, model->brush.shadowmesh->vertex3f, model->brush.shadowmesh->element3i, relativelightorigin, lightmins, lightmaxs, surface->poly_mins, surface->poly_maxs);
1542                 }
1543                 R_Shadow_VolumeFromList(model->brush.shadowmesh->numverts, model->brush.shadowmesh->numtriangles, model->brush.shadowmesh->vertex3f, model->brush.shadowmesh->element3i, model->brush.shadowmesh->neighbor3i, relativelightorigin, lightradius + model->radius + r_shadow_projectdistance.value, numshadowmark, shadowmarklist);
1544         }
1545 }
1546
1547 void R_Q1BSP_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, const matrix4x4_t *matrix_modeltolight, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz, rtexture_t *lightcubemap, vec_t ambientscale, vec_t diffusescale, vec_t specularscale, int numsurfaces, const int *surfacelist)
1548 {
1549         model_t *model = ent->model;
1550         vec3_t lightmins, lightmaxs, modelorg;
1551         msurface_t *surface;
1552         texture_t *t;
1553         int surfacelistindex;
1554         if (r_drawcollisionbrushes.integer < 2)
1555         {
1556                 lightmins[0] = relativelightorigin[0] - lightradius;
1557                 lightmins[1] = relativelightorigin[1] - lightradius;
1558                 lightmins[2] = relativelightorigin[2] - lightradius;
1559                 lightmaxs[0] = relativelightorigin[0] + lightradius;
1560                 lightmaxs[1] = relativelightorigin[1] + lightradius;
1561                 lightmaxs[2] = relativelightorigin[2] + lightradius;
1562                 R_Mesh_Matrix(&ent->matrix);
1563                 Matrix4x4_Transform(&ent->inversematrix, r_vieworigin, modelorg);
1564                 R_UpdateTextureInfo(ent);
1565                 for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++)
1566                 {
1567                         surface = model->brushq1.surfaces + surfacelist[surfacelistindex];
1568                         if (r_shadow_compilingrtlight)
1569                         {
1570                                 // if compiling an rtlight, capture the mesh
1571                                 t = surface->texinfo->texture;
1572                                 if (t->flags & SURF_LIGHTMAP && t->skin.fog == NULL)
1573                                         Mod_ShadowMesh_AddMesh(r_shadow_mempool, r_shadow_compilingrtlight->static_meshchain_light, surface->texinfo->texture->skin.base, surface->texinfo->texture->skin.gloss, surface->texinfo->texture->skin.nmap, surface->mesh.data_vertex3f, surface->mesh.data_svector3f, surface->mesh.data_tvector3f, surface->mesh.data_normal3f, surface->mesh.data_texcoordtexture2f, surface->mesh.num_triangles, surface->mesh.data_element3i);
1574                         }
1575                         else if (ent != r_refdef.worldentity || r_worldsurfacevisible[surface - ent->model->brushq1.surfaces])
1576                         {
1577                                 t = surface->texinfo->texture->currentframe;
1578                                 // FIXME: transparent surfaces need to be lit later
1579                                 if (t->flags & SURF_LIGHTMAP && t->rendertype == SURFRENDER_OPAQUE)
1580                                         R_Shadow_RenderLighting(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i, surface->mesh.data_vertex3f, surface->mesh.data_svector3f, surface->mesh.data_tvector3f, surface->mesh.data_normal3f, surface->mesh.data_texcoordtexture2f, relativelightorigin, relativeeyeorigin, lightcolor, matrix_modeltolight, matrix_modeltoattenuationxyz, matrix_modeltoattenuationz, t->skin.base, t->skin.nmap, t->skin.gloss, lightcubemap, ambientscale, diffusescale, specularscale);
1581                         }
1582                 }
1583         }
1584 }
1585
1586 void R_DrawCollisionBrush(colbrushf_t *brush)
1587 {
1588         int i;
1589         rmeshstate_t m;
1590         memset(&m, 0, sizeof(m));
1591         m.pointer_vertex = brush->points->v;
1592         R_Mesh_State(&m);
1593         i = (int)(((size_t)brush) / sizeof(colbrushf_t));
1594         GL_Color((i & 31) * (1.0f / 32.0f), ((i >> 5) & 31) * (1.0f / 32.0f), ((i >> 10) & 31) * (1.0f / 32.0f), 0.2f);
1595         GL_LockArrays(0, brush->numpoints);
1596         R_Mesh_Draw(brush->numpoints, brush->numtriangles, brush->elements);
1597         GL_LockArrays(0, 0);
1598 }
1599
1600 void R_Q3BSP_DrawCollisionFace(entity_render_t *ent, q3msurface_t *face)
1601 {
1602         int i;
1603         rmeshstate_t m;
1604         if (!face->mesh.num_collisiontriangles)
1605                 return;
1606         memset(&m, 0, sizeof(m));
1607         m.pointer_vertex = face->mesh.data_collisionvertex3f;
1608         R_Mesh_State(&m);
1609         i = (int)(((size_t)face) / sizeof(q3msurface_t));
1610         GL_Color((i & 31) * (1.0f / 32.0f), ((i >> 5) & 31) * (1.0f / 32.0f), ((i >> 10) & 31) * (1.0f / 32.0f), 0.2f);
1611         GL_LockArrays(0, face->mesh.num_collisionvertices);
1612         R_Mesh_Draw(face->mesh.num_collisionvertices, face->mesh.num_collisiontriangles, face->mesh.data_collisionelement3i);
1613         GL_LockArrays(0, 0);
1614 }
1615
1616 void R_Q3BSP_DrawFace_TransparentCallback(const void *voident, int facenumber)
1617 {
1618         const entity_render_t *ent = voident;
1619         q3msurface_t *face = ent->model->brushq3.data_faces + facenumber;
1620         rmeshstate_t m;
1621         R_Mesh_Matrix(&ent->matrix);
1622         memset(&m, 0, sizeof(m));
1623         if ((ent->effects & EF_ADDITIVE) || (face->texture->textureflags & Q3TEXTUREFLAG_ADDITIVE))
1624                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1625         else
1626                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1627         GL_DepthMask(false);
1628         GL_DepthTest(!(ent->effects & EF_NODEPTHTEST));
1629         m.tex[0] = R_GetTexture(face->texture->skin.base);
1630         m.pointer_texcoord[0] = face->mesh.data_texcoordtexture2f;
1631         // LordHavoc: quake3 was not able to do this; lit transparent surfaces
1632         if (gl_combine.integer)
1633         {
1634                 m.texrgbscale[0] = 2;
1635                 if (r_textureunits.integer >= 2)
1636                 {
1637                         m.tex[1] = R_GetTexture(face->lightmaptexture);
1638                         m.pointer_texcoord[1] = face->mesh.data_texcoordlightmap2f;
1639                         GL_Color(ent->colormod[0], ent->colormod[1], ent->colormod[2], ent->alpha);
1640                 }
1641                 else
1642                 {
1643                         if (ent->colormod[0] == 1 && ent->colormod[1] == 1 && ent->colormod[2] == 1 && ent->alpha == 1)
1644                                 m.pointer_color = face->mesh.data_lightmapcolor4f;
1645                         else
1646                         {
1647                                 int i;
1648                                 for (i = 0;i < face->mesh.num_vertices;i++)
1649                                 {
1650                                         varray_color4f[i*4+0] = face->mesh.data_lightmapcolor4f[i*4+0] * ent->colormod[0];
1651                                         varray_color4f[i*4+1] = face->mesh.data_lightmapcolor4f[i*4+1] * ent->colormod[1];
1652                                         varray_color4f[i*4+2] = face->mesh.data_lightmapcolor4f[i*4+2] * ent->colormod[2];
1653                                         varray_color4f[i*4+3] = face->mesh.data_lightmapcolor4f[i*4+3] * ent->alpha;
1654                                 }
1655                                 m.pointer_color = varray_color4f;
1656                         }
1657                 }
1658         }
1659         else
1660         {
1661                 int i;
1662                 for (i = 0;i < face->mesh.num_vertices;i++)
1663                 {
1664                         varray_color4f[i*4+0] = face->mesh.data_lightmapcolor4f[i*4+0] * ent->colormod[0] * 2.0f;
1665                         varray_color4f[i*4+1] = face->mesh.data_lightmapcolor4f[i*4+1] * ent->colormod[1] * 2.0f;
1666                         varray_color4f[i*4+2] = face->mesh.data_lightmapcolor4f[i*4+2] * ent->colormod[2] * 2.0f;
1667                         varray_color4f[i*4+3] = face->mesh.data_lightmapcolor4f[i*4+3] * ent->alpha;
1668                 }
1669                 m.pointer_color = varray_color4f;
1670         }
1671         if (face->texture->textureflags & (Q3TEXTUREFLAG_AUTOSPRITE | Q3TEXTUREFLAG_AUTOSPRITE2))
1672         {
1673                 int i, j;
1674                 float center[3], center2[3], forward[3], right[3], up[3], v[4][3];
1675                 matrix4x4_t matrix1, imatrix1;
1676                 R_Mesh_Matrix(&r_identitymatrix);
1677                 // a single autosprite surface can contain multiple sprites...
1678                 for (j = 0;j < face->mesh.num_vertices - 3;j += 4)
1679                 {
1680                         VectorClear(center);
1681                         for (i = 0;i < 4;i++)
1682                                 VectorAdd(center, face->mesh.data_vertex3f + (j+i) * 3, center);
1683                         VectorScale(center, 0.25f, center);
1684                         Matrix4x4_Transform(&ent->matrix, center, center2);
1685                         // FIXME: calculate vectors from triangle edges instead of using texture vectors as an easy way out?
1686                         Matrix4x4_FromVectors(&matrix1, face->mesh.data_normal3f + j*3, face->mesh.data_svector3f + j*3, face->mesh.data_tvector3f + j*3, center);
1687                         Matrix4x4_Invert_Simple(&imatrix1, &matrix1);
1688                         for (i = 0;i < 4;i++)
1689                                 Matrix4x4_Transform(&imatrix1, face->mesh.data_vertex3f + (j+i)*3, v[i]);
1690                         if (face->texture->textureflags & Q3TEXTUREFLAG_AUTOSPRITE2)
1691                         {
1692                                 forward[0] = r_vieworigin[0] - center2[0];
1693                                 forward[1] = r_vieworigin[1] - center2[1];
1694                                 forward[2] = 0;
1695                                 VectorNormalize(forward);
1696                                 right[0] = forward[1];
1697                                 right[1] = -forward[0];
1698                                 right[2] = 0;
1699                                 up[0] = 0;
1700                                 up[1] = 0;
1701                                 up[2] = 1;
1702                         }
1703                         else
1704                         {
1705                                 VectorCopy(r_viewforward, forward);
1706                                 VectorCopy(r_viewright, right);
1707                                 VectorCopy(r_viewup, up);
1708                         }
1709                         for (i = 0;i < 4;i++)
1710                                 VectorMAMAMAM(1, center2, v[i][0], forward, v[i][1], right, v[i][2], up, varray_vertex3f + (i+j) * 3);
1711                 }
1712                 m.pointer_vertex = varray_vertex3f;
1713         }
1714         else
1715                 m.pointer_vertex = face->mesh.data_vertex3f;
1716         R_Mesh_State(&m);
1717         if (face->texture->textureflags & Q3TEXTUREFLAG_TWOSIDED)
1718                 qglDisable(GL_CULL_FACE);
1719         GL_LockArrays(0, face->mesh.num_vertices);
1720         R_Mesh_Draw(face->mesh.num_vertices, face->mesh.num_triangles, face->mesh.data_element3i);
1721         GL_LockArrays(0, 0);
1722         if (face->texture->textureflags & Q3TEXTUREFLAG_TWOSIDED)
1723                 qglEnable(GL_CULL_FACE);
1724 }
1725
1726 void R_Q3BSP_DrawFaceList(entity_render_t *ent, q3mtexture_t *t, int texturenumfaces, q3msurface_t **texturefacelist)
1727 {
1728         int i, texturefaceindex;
1729         qboolean dolightmap;
1730         qboolean dobase;
1731         qboolean doambient;
1732         qboolean doglow;
1733         qboolean dofog;
1734         rmeshstate_t m;
1735         if (!texturenumfaces)
1736                 return;
1737         c_faces += texturenumfaces;
1738         // gl_lightmaps debugging mode skips normal texturing
1739         if (gl_lightmaps.integer)
1740         {
1741                 GL_DepthMask(true);
1742                 GL_DepthTest(true);
1743                 GL_BlendFunc(GL_ONE, GL_ZERO);
1744                 qglDisable(GL_CULL_FACE);
1745                 memset(&m, 0, sizeof(m));
1746                 for (texturefaceindex = 0;texturefaceindex < texturenumfaces;texturefaceindex++)
1747                 {
1748                         q3msurface_t *face = texturefacelist[texturefaceindex];
1749                         m.tex[0] = R_GetTexture(face->lightmaptexture);
1750                         m.pointer_texcoord[0] = face->mesh.data_texcoordlightmap2f;
1751                         if (face->lightmaptexture)
1752                         {
1753                                 GL_Color(1, 1, 1, 1);
1754                                 m.pointer_color = NULL;
1755                         }
1756                         else
1757                                 m.pointer_color = face->mesh.data_lightmapcolor4f;
1758                         m.pointer_vertex = face->mesh.data_vertex3f;
1759                         R_Mesh_State(&m);
1760                         GL_LockArrays(0, face->mesh.num_vertices);
1761                         R_Mesh_Draw(face->mesh.num_vertices, face->mesh.num_triangles, face->mesh.data_element3i);
1762                         GL_LockArrays(0, 0);
1763                 }
1764                 qglEnable(GL_CULL_FACE);
1765                 return;
1766         }
1767         // transparent surfaces get sorted for later drawing
1768         if ((t->surfaceparms & Q3SURFACEPARM_TRANS) || ent->alpha < 1 || (ent->effects & EF_ADDITIVE))
1769         {
1770                 vec3_t facecenter, center;
1771                 // drawing sky transparently would be too difficult
1772                 if (t->surfaceparms & Q3SURFACEPARM_SKY)
1773                         return;
1774                 for (texturefaceindex = 0;texturefaceindex < texturenumfaces;texturefaceindex++)
1775                 {
1776                         q3msurface_t *face = texturefacelist[texturefaceindex];
1777                         facecenter[0] = (face->mins[0] + face->maxs[0]) * 0.5f;
1778                         facecenter[1] = (face->mins[1] + face->maxs[1]) * 0.5f;
1779                         facecenter[2] = (face->mins[2] + face->maxs[2]) * 0.5f;
1780                         Matrix4x4_Transform(&ent->matrix, facecenter, center);
1781                         R_MeshQueue_AddTransparent(center, R_Q3BSP_DrawFace_TransparentCallback, ent, face - ent->model->brushq3.data_faces);
1782                 }
1783                 return;
1784         }
1785         // sky surfaces draw sky if needed and render themselves as a depth mask
1786         if (t->surfaceparms & Q3SURFACEPARM_SKY)
1787         {
1788                 if (skyrendernow)
1789                 {
1790                         skyrendernow = false;
1791                         if (skyrendermasked)
1792                                 R_Sky();
1793                 }
1794                 if (!r_q3bsp_renderskydepth.integer)
1795                         return;
1796
1797                 R_Mesh_Matrix(&ent->matrix);
1798
1799                 GL_Color(fogcolor[0], fogcolor[1], fogcolor[2], 1);
1800                 if (skyrendermasked)
1801                 {
1802                         // depth-only (masking)
1803                         GL_ColorMask(0,0,0,0);
1804                         // just to make sure that braindead drivers don't draw anything
1805                         // despite that colormask...
1806                         GL_BlendFunc(GL_ZERO, GL_ONE);
1807                 }
1808                 else
1809                 {
1810                         // fog sky
1811                         GL_BlendFunc(GL_ONE, GL_ZERO);
1812                 }
1813                 GL_DepthMask(true);
1814                 GL_DepthTest(true);
1815
1816                 memset(&m, 0, sizeof(m));
1817                 for (texturefaceindex = 0;texturefaceindex < texturenumfaces;texturefaceindex++)
1818                 {
1819                         q3msurface_t *face = texturefacelist[texturefaceindex];
1820                         m.pointer_vertex = face->mesh.data_vertex3f;
1821                         R_Mesh_State(&m);
1822                         GL_LockArrays(0, face->mesh.num_vertices);
1823                         R_Mesh_Draw(face->mesh.num_vertices, face->mesh.num_triangles, face->mesh.data_element3i);
1824                         GL_LockArrays(0, 0);
1825                 }
1826                 GL_ColorMask(r_refdef.colormask[0], r_refdef.colormask[1], r_refdef.colormask[2], 1);
1827                 return;
1828         }
1829         // anything else is a typical wall, lightmap * texture + glow
1830         dolightmap = (ent->flags & RENDER_LIGHT);
1831         dobase = true;
1832         doambient = r_ambient.value > 0;
1833         doglow = t->skin.glow != NULL;
1834         dofog = fogenabled;
1835         if (t->textureflags & Q3TEXTUREFLAG_TWOSIDED)
1836                 qglDisable(GL_CULL_FACE);
1837         if (!dolightmap && dobase)
1838         {
1839                 dolightmap = false;
1840                 dobase = false;
1841                 GL_DepthMask(true);
1842                 GL_DepthTest(true);
1843                 GL_BlendFunc(GL_ONE, GL_ZERO);
1844                 GL_Color(ent->colormod[0], ent->colormod[1], ent->colormod[2], 1);
1845                 if (t->textureflags & Q3TEXTUREFLAG_TWOSIDED)
1846                         qglDisable(GL_CULL_FACE);
1847                 memset(&m, 0, sizeof(m));
1848                 m.tex[0] = R_GetTexture(t->skin.base);
1849                 for (texturefaceindex = 0;texturefaceindex < texturenumfaces;texturefaceindex++)
1850                 {
1851                         q3msurface_t *face = texturefacelist[texturefaceindex];
1852                         m.pointer_texcoord[0] = face->mesh.data_texcoordtexture2f;
1853                         m.pointer_vertex = face->mesh.data_vertex3f;
1854                         R_Mesh_State(&m);
1855                         GL_LockArrays(0, face->mesh.num_vertices);
1856                         R_Mesh_Draw(face->mesh.num_vertices, face->mesh.num_triangles, face->mesh.data_element3i);
1857                         GL_LockArrays(0, 0);
1858                 }
1859         }
1860         if (r_lightmapintensity <= 0 && dolightmap && dobase)
1861         {
1862                 dolightmap = false;
1863                 dobase = false;
1864                 GL_DepthMask(true);
1865                 GL_DepthTest(true);
1866                 GL_BlendFunc(GL_ONE, GL_ZERO);
1867                 GL_Color(0, 0, 0, 1);
1868                 memset(&m, 0, sizeof(m));
1869                 for (texturefaceindex = 0;texturefaceindex < texturenumfaces;texturefaceindex++)
1870                 {
1871                         q3msurface_t *face = texturefacelist[texturefaceindex];
1872                         m.pointer_vertex = face->mesh.data_vertex3f;
1873                         R_Mesh_State(&m);
1874                         GL_LockArrays(0, face->mesh.num_vertices);
1875                         R_Mesh_Draw(face->mesh.num_vertices, face->mesh.num_triangles, face->mesh.data_element3i);
1876                         GL_LockArrays(0, 0);
1877                 }
1878         }
1879         if (r_textureunits.integer >= 2 && gl_combine.integer && dolightmap && dobase)
1880         {
1881                 // dualtexture combine
1882                 dolightmap = false;
1883                 dobase = false;
1884                 GL_DepthMask(true);
1885                 GL_DepthTest(true);
1886                 GL_BlendFunc(GL_ONE, GL_ZERO);
1887                 memset(&m, 0, sizeof(m));
1888                 m.tex[0] = R_GetTexture(t->skin.base);
1889                 GL_Color(r_lightmapintensity * ent->colormod[0], r_lightmapintensity * ent->colormod[1], r_lightmapintensity * ent->colormod[2], 1);
1890                 m.pointer_color = NULL;
1891                 for (texturefaceindex = 0;texturefaceindex < texturenumfaces;texturefaceindex++)
1892                 {
1893                         q3msurface_t *face = texturefacelist[texturefaceindex];
1894                         if (!face->lightmaptexture)
1895                                 continue;
1896                         m.tex[1] = R_GetTexture(face->lightmaptexture);
1897                         m.pointer_texcoord[0] = face->mesh.data_texcoordtexture2f;
1898                         m.pointer_texcoord[1] = face->mesh.data_texcoordlightmap2f;
1899                         m.texrgbscale[1] = 2;
1900                         m.pointer_vertex = face->mesh.data_vertex3f;
1901                         R_Mesh_State(&m);
1902                         GL_LockArrays(0, face->mesh.num_vertices);
1903                         R_Mesh_Draw(face->mesh.num_vertices, face->mesh.num_triangles, face->mesh.data_element3i);
1904                         GL_LockArrays(0, 0);
1905                 }
1906                 if (r_lightmapintensity == 1 && ent->colormod[0] == 1 && ent->colormod[1] == 1 && ent->colormod[2] == 1)
1907                 {
1908                         for (texturefaceindex = 0;texturefaceindex < texturenumfaces;texturefaceindex++)
1909                         {
1910                                 q3msurface_t *face = texturefacelist[texturefaceindex];
1911                                 if (face->lightmaptexture)
1912                                         continue;
1913                                 m.tex[1] = R_GetTexture(face->lightmaptexture);
1914                                 m.pointer_texcoord[0] = face->mesh.data_texcoordtexture2f;
1915                                 m.pointer_texcoord[1] = face->mesh.data_texcoordlightmap2f;
1916                                 m.texrgbscale[1] = 2;
1917                                 m.pointer_color = face->mesh.data_lightmapcolor4f;
1918                                 m.pointer_vertex = face->mesh.data_vertex3f;
1919                                 R_Mesh_State(&m);
1920                                 GL_LockArrays(0, face->mesh.num_vertices);
1921                                 R_Mesh_Draw(face->mesh.num_vertices, face->mesh.num_triangles, face->mesh.data_element3i);
1922                                 GL_LockArrays(0, 0);
1923                         }
1924                 }
1925                 else
1926                 {
1927                         for (texturefaceindex = 0;texturefaceindex < texturenumfaces;texturefaceindex++)
1928                         {
1929                                 q3msurface_t *face = texturefacelist[texturefaceindex];
1930                                 if (face->lightmaptexture)
1931                                         continue;
1932                                 m.tex[1] = R_GetTexture(face->lightmaptexture);
1933                                 m.pointer_texcoord[0] = face->mesh.data_texcoordtexture2f;
1934                                 m.pointer_texcoord[1] = face->mesh.data_texcoordlightmap2f;
1935                                 m.texrgbscale[1] = 2;
1936                                 m.pointer_color = varray_color4f;
1937                                 for (i = 0;i < face->mesh.num_vertices;i++)
1938                                 {
1939                                         varray_color4f[i*4+0] = face->mesh.data_lightmapcolor4f[i*4+0] * ent->colormod[0] * r_lightmapintensity;
1940                                         varray_color4f[i*4+1] = face->mesh.data_lightmapcolor4f[i*4+1] * ent->colormod[1] * r_lightmapintensity;
1941                                         varray_color4f[i*4+2] = face->mesh.data_lightmapcolor4f[i*4+2] * ent->colormod[2] * r_lightmapintensity;
1942                                         varray_color4f[i*4+3] = face->mesh.data_lightmapcolor4f[i*4+3];
1943                                 }
1944                                 m.pointer_vertex = face->mesh.data_vertex3f;
1945                                 R_Mesh_State(&m);
1946                                 GL_LockArrays(0, face->mesh.num_vertices);
1947                                 R_Mesh_Draw(face->mesh.num_vertices, face->mesh.num_triangles, face->mesh.data_element3i);
1948                                 GL_LockArrays(0, 0);
1949                         }
1950                 }
1951         }
1952         // single texture
1953         if (dolightmap)
1954         {
1955                 GL_DepthMask(true);
1956                 GL_DepthTest(true);
1957                 GL_BlendFunc(GL_ONE, GL_ZERO);
1958                 memset(&m, 0, sizeof(m));
1959                 for (texturefaceindex = 0;texturefaceindex < texturenumfaces;texturefaceindex++)
1960                 {
1961                         q3msurface_t *face = texturefacelist[texturefaceindex];
1962                         m.tex[0] = R_GetTexture(face->lightmaptexture);
1963                         m.pointer_texcoord[0] = face->mesh.data_texcoordlightmap2f;
1964                         if (face->lightmaptexture)
1965                                 m.pointer_color = NULL;
1966                         else
1967                                 m.pointer_color = face->mesh.data_lightmapcolor4f;
1968                         m.pointer_vertex = face->mesh.data_vertex3f;
1969                         R_Mesh_State(&m);
1970                         GL_LockArrays(0, face->mesh.num_vertices);
1971                         R_Mesh_Draw(face->mesh.num_vertices, face->mesh.num_triangles, face->mesh.data_element3i);
1972                         GL_LockArrays(0, 0);
1973                 }
1974         }
1975         if (dobase)
1976         {
1977                 GL_BlendFunc(GL_DST_COLOR, GL_SRC_COLOR);
1978                 GL_DepthMask(false);
1979                 GL_DepthTest(true);
1980                 GL_Color(r_lightmapintensity * ent->colormod[0], r_lightmapintensity * ent->colormod[1], r_lightmapintensity * ent->colormod[2], 1);
1981                 memset(&m, 0, sizeof(m));
1982                 m.tex[0] = R_GetTexture(t->skin.base);
1983                 for (texturefaceindex = 0;texturefaceindex < texturenumfaces;texturefaceindex++)
1984                 {
1985                         q3msurface_t *face = texturefacelist[texturefaceindex];
1986                         m.pointer_texcoord[0] = face->mesh.data_texcoordtexture2f;
1987                         m.pointer_vertex = face->mesh.data_vertex3f;
1988                         R_Mesh_State(&m);
1989                         GL_LockArrays(0, face->mesh.num_vertices);
1990                         R_Mesh_Draw(face->mesh.num_vertices, face->mesh.num_triangles, face->mesh.data_element3i);
1991                         GL_LockArrays(0, 0);
1992                 }
1993         }
1994         if (doambient)
1995         {
1996                 GL_BlendFunc(GL_ONE, GL_ONE);
1997                 GL_DepthMask(false);
1998                 GL_DepthTest(true);
1999                 GL_Color(r_ambient.value * (1.0f / 128.0f) * ent->colormod[0], r_ambient.value * (1.0f / 128.0f) * ent->colormod[1], r_ambient.value * (1.0f / 128.0f) * ent->colormod[2], 1);
2000                 memset(&m, 0, sizeof(m));
2001                 m.tex[0] = R_GetTexture(t->skin.base);
2002                 for (texturefaceindex = 0;texturefaceindex < texturenumfaces;texturefaceindex++)
2003                 {
2004                         q3msurface_t *face = texturefacelist[texturefaceindex];
2005                         m.pointer_texcoord[0] = face->mesh.data_texcoordtexture2f;
2006                         m.pointer_vertex = face->mesh.data_vertex3f;
2007                         R_Mesh_State(&m);
2008                         GL_LockArrays(0, face->mesh.num_vertices);
2009                         R_Mesh_Draw(face->mesh.num_vertices, face->mesh.num_triangles, face->mesh.data_element3i);
2010                         GL_LockArrays(0, 0);
2011                 }
2012         }
2013         if (doglow)
2014         {
2015                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
2016                 GL_DepthMask(false);
2017                 GL_DepthTest(true);
2018                 GL_Color(1, 1, 1, 1);
2019                 memset(&m, 0, sizeof(m));
2020                 m.tex[0] = R_GetTexture(t->skin.glow);
2021                 for (texturefaceindex = 0;texturefaceindex < texturenumfaces;texturefaceindex++)
2022                 {
2023                         q3msurface_t *face = texturefacelist[texturefaceindex];
2024                         m.pointer_texcoord[0] = face->mesh.data_texcoordtexture2f;
2025                         m.pointer_vertex = face->mesh.data_vertex3f;
2026                         R_Mesh_State(&m);
2027                         GL_LockArrays(0, face->mesh.num_vertices);
2028                         R_Mesh_Draw(face->mesh.num_vertices, face->mesh.num_triangles, face->mesh.data_element3i);
2029                         GL_LockArrays(0, 0);
2030                 }
2031         }
2032         if (dofog)
2033         {
2034                 float modelorg[3];
2035                 Matrix4x4_Transform(&ent->inversematrix, r_vieworigin, modelorg);
2036                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2037                 GL_DepthMask(false);
2038                 GL_DepthTest(true);
2039                 GL_Color(1, 1, 1, 1);
2040                 memset(&m, 0, sizeof(m));
2041                 m.tex[0] = R_GetTexture(t->skin.fog);
2042                 m.pointer_color = varray_color4f;
2043                 for (texturefaceindex = 0;texturefaceindex < texturenumfaces;texturefaceindex++)
2044                 {
2045                         q3msurface_t *face = texturefacelist[texturefaceindex];
2046                         if (m.tex[0])
2047                                 m.pointer_texcoord[0] = face->mesh.data_texcoordtexture2f;
2048                         m.pointer_vertex = face->mesh.data_vertex3f;
2049                         R_Mesh_State(&m);
2050                         RSurf_FogPassColors_Vertex3f_Color4f(face->mesh.data_vertex3f, varray_color4f, fogcolor[0], fogcolor[1], fogcolor[2], 1, 1, face->mesh.num_vertices, modelorg);
2051                         GL_LockArrays(0, face->mesh.num_vertices);
2052                         R_Mesh_Draw(face->mesh.num_vertices, face->mesh.num_triangles, face->mesh.data_element3i);
2053                         GL_LockArrays(0, 0);
2054                 }
2055         }
2056         if (t->textureflags & Q3TEXTUREFLAG_TWOSIDED)
2057                 qglEnable(GL_CULL_FACE);
2058 }
2059
2060 void R_Q3BSP_DrawFaces(entity_render_t *ent, int skyfaces)
2061 {
2062         int i, ti, flagsmask, flags;
2063         q3msurface_t *face;
2064         model_t *model;
2065         q3mtexture_t *t;
2066         const int maxfaces = 1024;
2067         int numfaces = 0;
2068         q3msurface_t *facelist[1024];
2069         R_Mesh_Matrix(&ent->matrix);
2070         model = ent->model;
2071         flagsmask = Q3SURFACEFLAG_NODRAW | Q3SURFACEFLAG_SKY;
2072         if (skyfaces)
2073                 flags = Q3SURFACEFLAG_SKY;
2074         else
2075                 flags = 0;
2076         if (ent == r_refdef.worldentity)
2077         {
2078                 int j;
2079                 q3mleaf_t *leaf;
2080                 R_Surf_ClearSurfaceVisible(r_refdef.worldmodel->brushq3.num_faces);
2081                 for (j = 0, leaf = r_refdef.worldmodel->brushq3.data_leafs;j < r_refdef.worldmodel->brushq3.num_leafs;j++, leaf++)
2082                 {
2083                         if (CHECKPVSBIT(r_pvsbits, leaf->clusterindex) && !R_CullBox(leaf->mins, leaf->maxs))
2084                         {
2085                                 c_leafs++;
2086                                 for (i = 0;i < leaf->numleaffaces;i++)
2087                                         r_surf_surfacevisible[leaf->firstleaffacenum[i]] = 1;
2088                         }
2089                 }
2090                 for (ti = 0, t = model->brushq3.data_textures;ti < model->brushq3.num_textures;ti++, t++)
2091                 {
2092                         if ((t->surfaceflags & flagsmask) == flags)
2093                         {
2094                                 numfaces = 0;
2095                                 for (i = 0;i < t->numfaces;i++)
2096                                 {
2097                                         if (r_surf_surfacevisible[t->facenumlist[i]])
2098                                         {
2099                                                 face = t->facelist[i];
2100                                                 //if (!R_CullBox(face->mins, face->maxs))
2101                                                 if (face->mesh.num_triangles)
2102                                                 {
2103                                                         if (numfaces >= maxfaces)
2104                                                         {
2105                                                                 if (numfaces)
2106                                                                         R_Q3BSP_DrawFaceList(ent, t, numfaces, facelist);
2107                                                                 numfaces = 0;
2108                                                         }
2109                                                         facelist[numfaces++] = face;
2110                                                 }
2111                                         }
2112                                 }
2113                                 if (numfaces)
2114                                         R_Q3BSP_DrawFaceList(ent, t, numfaces, facelist);
2115                         }
2116                 }
2117         }
2118         else
2119         {
2120                 t = NULL;
2121                 numfaces = 0;
2122                 for (i = 0, face = model->brushq3.data_thismodel->firstface;i < model->brushq3.data_thismodel->numfaces;i++, face++)
2123                 {
2124                         if ((face->texture->surfaceflags & flagsmask) == flags && face->mesh.num_triangles)
2125                         {
2126                                 if (t != face->texture || numfaces >= maxfaces)
2127                                 {
2128                                         if (numfaces)
2129                                                 R_Q3BSP_DrawFaceList(ent, t, numfaces, facelist);
2130                                         numfaces = 0;
2131                                         t = face->texture;
2132                                 }
2133                                 facelist[numfaces++] = face;
2134                         }
2135                 }
2136                 if (numfaces)
2137                         R_Q3BSP_DrawFaceList(ent, t, numfaces, facelist);
2138         }
2139 }
2140
2141 void R_Q3BSP_DrawSky(entity_render_t *ent)
2142 {
2143         if (r_drawcollisionbrushes.integer < 2)
2144                 R_Q3BSP_DrawFaces(ent, true);
2145 }
2146
2147 void R_Q3BSP_Draw(entity_render_t *ent)
2148 {
2149         if (r_drawcollisionbrushes.integer < 2)
2150                 R_Q3BSP_DrawFaces(ent, false);
2151         if (r_drawcollisionbrushes.integer >= 1)
2152         {
2153                 int i;
2154                 model_t *model = ent->model;
2155                 q3msurface_t *face;
2156                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
2157                 GL_DepthMask(false);
2158                 GL_DepthTest(true);
2159                 qglPolygonOffset(r_drawcollisionbrushes_polygonfactor.value, r_drawcollisionbrushes_polygonoffset.value);
2160                 for (i = 0;i < model->brushq3.data_thismodel->numbrushes;i++)
2161                         if (model->brushq3.data_thismodel->firstbrush[i].colbrushf && model->brushq3.data_thismodel->firstbrush[i].colbrushf->numtriangles)
2162                                 R_DrawCollisionBrush(model->brushq3.data_thismodel->firstbrush[i].colbrushf);
2163                 for (i = 0, face = model->brushq3.data_thismodel->firstface;i < model->brushq3.data_thismodel->numfaces;i++, face++)
2164                         if (face->mesh.num_collisiontriangles)
2165                                 R_Q3BSP_DrawCollisionFace(ent, face);
2166                 qglPolygonOffset(0, 0);
2167         }
2168 }
2169
2170 void R_Q3BSP_GetLightInfo(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, vec3_t outmins, vec3_t outmaxs, int *outclusterlist, qbyte *outclusterpvs, int *outnumclusterspointer, int *outsurfacelist, qbyte *outsurfacepvs, int *outnumsurfacespointer)
2171 {
2172         model_t *model = ent->model;
2173         vec3_t lightmins, lightmaxs;
2174         int t, leafindex, marksurfaceindex, surfaceindex, triangleindex, outnumclusters = 0, outnumsurfaces = 0;
2175         const int *e;
2176         const float *v[3];
2177         q3msurface_t *surface;
2178         q3mleaf_t *leaf;
2179         const qbyte *pvs;
2180         lightmins[0] = relativelightorigin[0] - lightradius;
2181         lightmins[1] = relativelightorigin[1] - lightradius;
2182         lightmins[2] = relativelightorigin[2] - lightradius;
2183         lightmaxs[0] = relativelightorigin[0] + lightradius;
2184         lightmaxs[1] = relativelightorigin[1] + lightradius;
2185         lightmaxs[2] = relativelightorigin[2] + lightradius;
2186         *outnumclusterspointer = 0;
2187         *outnumsurfacespointer = 0;
2188         memset(outclusterpvs, 0, model->brush.num_pvsclusterbytes);
2189         memset(outsurfacepvs, 0, (model->nummodelsurfaces + 7) >> 3);
2190         if (model == NULL)
2191         {
2192                 VectorCopy(lightmins, outmins);
2193                 VectorCopy(lightmaxs, outmaxs);
2194                 return;
2195         }
2196         VectorCopy(relativelightorigin, outmins);
2197         VectorCopy(relativelightorigin, outmaxs);
2198         if (model->brush.GetPVS)
2199                 pvs = model->brush.GetPVS(model, relativelightorigin);
2200         else
2201                 pvs = NULL;
2202         // FIXME: use BSP recursion as lights are often small
2203         for (leafindex = 0, leaf = model->brushq3.data_leafs;leafindex < model->brushq3.num_leafs;leafindex++, leaf++)
2204         {
2205                 if (BoxesOverlap(lightmins, lightmaxs, leaf->mins, leaf->maxs) && (pvs == NULL || CHECKPVSBIT(pvs, leaf->clusterindex)))
2206                 {
2207                         outmins[0] = min(outmins[0], leaf->mins[0]);
2208                         outmins[1] = min(outmins[1], leaf->mins[1]);
2209                         outmins[2] = min(outmins[2], leaf->mins[2]);
2210                         outmaxs[0] = max(outmaxs[0], leaf->maxs[0]);
2211                         outmaxs[1] = max(outmaxs[1], leaf->maxs[1]);
2212                         outmaxs[2] = max(outmaxs[2], leaf->maxs[2]);
2213                         if (outclusterpvs)
2214                         {
2215                                 if (!CHECKPVSBIT(outclusterpvs, leaf->clusterindex))
2216                                 {
2217                                         SETPVSBIT(outclusterpvs, leaf->clusterindex);
2218                                         outclusterlist[outnumclusters++] = leaf->clusterindex;
2219                                 }
2220                         }
2221                         if (outsurfacepvs)
2222                         {
2223                                 for (marksurfaceindex = 0;marksurfaceindex < leaf->numleaffaces;marksurfaceindex++)
2224                                 {
2225                                         surface = leaf->firstleafface[marksurfaceindex];
2226                                         surfaceindex = surface - model->brushq3.data_faces;
2227                                         if (!CHECKPVSBIT(outsurfacepvs, surfaceindex))
2228                                         {
2229                                                 if (BoxesOverlap(lightmins, lightmaxs, surface->mins, surface->maxs) && !(surface->texture->surfaceparms & Q3SURFACEPARM_TRANS) && !(surface->texture->surfaceflags & (Q3SURFACEFLAG_SKY | Q3SURFACEFLAG_NODRAW)) && surface->mesh.num_triangles)
2230                                                 {
2231                                                         if (surface->texture->textureflags & Q3TEXTUREFLAG_TWOSIDED)
2232                                                         {
2233                                                                 for (triangleindex = 0, t = surface->num_firstshadowmeshtriangle, e = model->brush.shadowmesh->element3i + t * 3;triangleindex < surface->mesh.num_triangles;triangleindex++, t++, e += 3)
2234                                                                 {
2235                                                                         v[0] = model->brush.shadowmesh->vertex3f + e[0] * 3;
2236                                                                         v[1] = model->brush.shadowmesh->vertex3f + e[1] * 3;
2237                                                                         v[2] = model->brush.shadowmesh->vertex3f + e[2] * 3;
2238                                                                         if (lightmaxs[0] > min(v[0][0], min(v[1][0], v[2][0])) && lightmins[0] < max(v[0][0], max(v[1][0], v[2][0])) && lightmaxs[1] > min(v[0][1], min(v[1][1], v[2][1])) && lightmins[1] < max(v[0][1], max(v[1][1], v[2][1])) && lightmaxs[2] > min(v[0][2], min(v[1][2], v[2][2])) && lightmins[2] < max(v[0][2], max(v[1][2], v[2][2])))
2239                                                                         {
2240                                                                                 SETPVSBIT(outsurfacepvs, surfaceindex);
2241                                                                                 outsurfacelist[outnumsurfaces++] = surfaceindex;
2242                                                                                 break;
2243                                                                         }
2244                                                                 }
2245                                                         }
2246                                                         else
2247                                                         {
2248                                                                 for (triangleindex = 0, t = surface->num_firstshadowmeshtriangle, e = model->brush.shadowmesh->element3i + t * 3;triangleindex < surface->mesh.num_triangles;triangleindex++, t++, e += 3)
2249                                                                 {
2250                                                                         v[0] = model->brush.shadowmesh->vertex3f + e[0] * 3;
2251                                                                         v[1] = model->brush.shadowmesh->vertex3f + e[1] * 3;
2252                                                                         v[2] = model->brush.shadowmesh->vertex3f + e[2] * 3;
2253                                                                         if (PointInfrontOfTriangle(relativelightorigin, v[0], v[1], v[2]) && lightmaxs[0] > min(v[0][0], min(v[1][0], v[2][0])) && lightmins[0] < max(v[0][0], max(v[1][0], v[2][0])) && lightmaxs[1] > min(v[0][1], min(v[1][1], v[2][1])) && lightmins[1] < max(v[0][1], max(v[1][1], v[2][1])) && lightmaxs[2] > min(v[0][2], min(v[1][2], v[2][2])) && lightmins[2] < max(v[0][2], max(v[1][2], v[2][2])))
2254                                                                         {
2255                                                                                 SETPVSBIT(outsurfacepvs, surfaceindex);
2256                                                                                 outsurfacelist[outnumsurfaces++] = surfaceindex;
2257                                                                                 break;
2258                                                                         }
2259                                                                 }
2260                                                         }
2261                                                 }
2262                                         }
2263                                 }
2264                         }
2265                 }
2266         }
2267
2268         // limit combined leaf box to light boundaries
2269         outmins[0] = max(outmins[0], lightmins[0]);
2270         outmins[1] = max(outmins[1], lightmins[1]);
2271         outmins[2] = max(outmins[2], lightmins[2]);
2272         outmaxs[0] = min(outmaxs[0], lightmaxs[0]);
2273         outmaxs[1] = min(outmaxs[1], lightmaxs[1]);
2274         outmaxs[2] = min(outmaxs[2], lightmaxs[2]);
2275
2276         *outnumclusterspointer = outnumclusters;
2277         *outnumsurfacespointer = outnumsurfaces;
2278 }
2279
2280 void R_Q3BSP_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int numsurfaces, const int *surfacelist)
2281 {
2282         model_t *model = ent->model;
2283         vec3_t lightmins, lightmaxs;
2284         q3msurface_t *surface;
2285         int surfacelistindex;
2286         if (r_drawcollisionbrushes.integer < 2)
2287         {
2288                 lightmins[0] = relativelightorigin[0] - lightradius;
2289                 lightmins[1] = relativelightorigin[1] - lightradius;
2290                 lightmins[2] = relativelightorigin[2] - lightradius;
2291                 lightmaxs[0] = relativelightorigin[0] + lightradius;
2292                 lightmaxs[1] = relativelightorigin[1] + lightradius;
2293                 lightmaxs[2] = relativelightorigin[2] + lightradius;
2294                 R_Mesh_Matrix(&ent->matrix);
2295                 R_Shadow_PrepareShadowMark(model->brush.shadowmesh->numtriangles);
2296                 for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++)
2297                 {
2298                         surface = model->brushq3.data_faces + surfacelist[surfacelistindex];
2299                         // FIXME: check some manner of face->rendermode here?
2300                         if (!(surface->texture->surfaceflags & Q3SURFACEFLAG_NODRAW) && !(surface->texture->surfaceparms & (Q3SURFACEPARM_SKY | Q3SURFACEPARM_TRANS)) && !(surface->texture->textureflags & Q3TEXTUREFLAG_TWOSIDED))
2301                                 R_Shadow_MarkVolumeFromBox(surface->num_firstshadowmeshtriangle, surface->mesh.num_triangles, model->brush.shadowmesh->vertex3f, model->brush.shadowmesh->element3i, relativelightorigin, lightmins, lightmaxs, surface->mins, surface->maxs);
2302                 }
2303                 R_Shadow_VolumeFromList(model->brush.shadowmesh->numverts, model->brush.shadowmesh->numtriangles, model->brush.shadowmesh->vertex3f, model->brush.shadowmesh->element3i, model->brush.shadowmesh->neighbor3i, relativelightorigin, lightradius + model->radius + r_shadow_projectdistance.value, numshadowmark, shadowmarklist);
2304         }
2305 }
2306
2307 void R_Q3BSP_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, const matrix4x4_t *matrix_modeltolight, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz, rtexture_t *lightcubemap, vec_t ambientscale, vec_t diffusescale, vec_t specularscale, int numsurfaces, const int *surfacelist)
2308 {
2309         model_t *model = ent->model;
2310         vec3_t lightmins, lightmaxs, modelorg;
2311         q3msurface_t *surface;
2312         int surfacelistindex;
2313         if (r_drawcollisionbrushes.integer < 2)
2314         {
2315                 lightmins[0] = relativelightorigin[0] - lightradius;
2316                 lightmins[1] = relativelightorigin[1] - lightradius;
2317                 lightmins[2] = relativelightorigin[2] - lightradius;
2318                 lightmaxs[0] = relativelightorigin[0] + lightradius;
2319                 lightmaxs[1] = relativelightorigin[1] + lightradius;
2320                 lightmaxs[2] = relativelightorigin[2] + lightradius;
2321                 R_Mesh_Matrix(&ent->matrix);
2322                 Matrix4x4_Transform(&ent->inversematrix, r_vieworigin, modelorg);
2323                 for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++)
2324                 {
2325                         surface = model->brushq3.data_faces + surfacelist[surfacelistindex];
2326                         if (r_shadow_compilingrtlight)
2327                         {
2328                                 // if compiling an rtlight, capture the mesh
2329                                 Mod_ShadowMesh_AddMesh(r_shadow_mempool, r_shadow_compilingrtlight->static_meshchain_light, surface->texture->skin.base, surface->texture->skin.gloss, surface->texture->skin.nmap, surface->mesh.data_vertex3f, surface->mesh.data_svector3f, surface->mesh.data_tvector3f, surface->mesh.data_normal3f, surface->mesh.data_texcoordtexture2f, surface->mesh.num_triangles, surface->mesh.data_element3i);
2330                         }
2331                         else if (!(surface->texture->surfaceflags & Q3SURFACEFLAG_NODRAW) && surface->mesh.num_triangles)
2332                         {
2333                                 if (surface->texture->textureflags & Q3TEXTUREFLAG_TWOSIDED)
2334                                         qglDisable(GL_CULL_FACE);
2335                                 R_Shadow_RenderLighting(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i, surface->mesh.data_vertex3f, surface->mesh.data_svector3f, surface->mesh.data_tvector3f, surface->mesh.data_normal3f, surface->mesh.data_texcoordtexture2f, relativelightorigin, relativeeyeorigin, lightcolor, matrix_modeltolight, matrix_modeltoattenuationxyz, matrix_modeltoattenuationz, surface->texture->skin.base, surface->texture->skin.nmap, surface->texture->skin.gloss, lightcubemap, ambientscale, diffusescale, specularscale);
2336                                 if (surface->texture->textureflags & Q3TEXTUREFLAG_TWOSIDED)
2337                                         qglEnable(GL_CULL_FACE);
2338                         }
2339                 }
2340         }
2341 }
2342
2343 static void gl_surf_start(void)
2344 {
2345         r_surf_mempool = Mem_AllocPool("gl_rsurf", 0, NULL);
2346         r_surf_surfacevisiblelimit = 65536;
2347         r_surf_surfacevisible = Mem_Alloc(r_surf_mempool, r_surf_surfacevisiblelimit);
2348 }
2349
2350 static void gl_surf_shutdown(void)
2351 {
2352         r_surf_surfacevisiblelimit = 0;
2353         r_surf_surfacevisible = NULL;
2354         Mem_FreePool(&r_surf_mempool);
2355 }
2356
2357 static void gl_surf_newmap(void)
2358 {
2359 }
2360
2361 void GL_Surf_Init(void)
2362 {
2363         int i;
2364         dlightdivtable[0] = 4194304;
2365         for (i = 1;i < 32768;i++)
2366                 dlightdivtable[i] = 4194304 / (i << 7);
2367
2368         Cvar_RegisterVariable(&r_ambient);
2369         Cvar_RegisterVariable(&r_drawportals);
2370         Cvar_RegisterVariable(&r_testvis);
2371         Cvar_RegisterVariable(&r_floatbuildlightmap);
2372         Cvar_RegisterVariable(&r_detailtextures);
2373         Cvar_RegisterVariable(&r_surfaceworldnode);
2374         Cvar_RegisterVariable(&r_drawcollisionbrushes_polygonfactor);
2375         Cvar_RegisterVariable(&r_drawcollisionbrushes_polygonoffset);
2376         Cvar_RegisterVariable(&r_q3bsp_renderskydepth);
2377         Cvar_RegisterVariable(&gl_lightmaps);
2378
2379         R_RegisterModule("GL_Surf", gl_surf_start, gl_surf_shutdown, gl_surf_newmap);
2380 }
2381