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 cvar_t r_ambient = {0, "r_ambient", "0"};
  33 cvar_t r_drawportals = {0, "r_drawportals", "0"};
  34 cvar_t r_testvis = {0, "r_testvis", "0"};
  35 cvar_t r_floatbuildlightmap = {0, "r_floatbuildlightmap", "0"};
  36 cvar_t r_detailtextures = {CVAR_SAVE, "r_detailtextures", "1"};
  37 cvar_t r_surfaceworldnode = {0, "r_surfaceworldnode", "0"};
  38 cvar_t r_drawcollisionbrushes_polygonfactor = {0, "r_drawcollisionbrushes_polygonfactor", "-1"};
  39 cvar_t r_drawcollisionbrushes_polygonoffset = {0, "r_drawcollisionbrushes_polygonoffset", "0"};
  40 cvar_t r_q3bsp_renderskydepth = {0, "r_q3bsp_renderskydepth", "0"};
  41 cvar_t gl_lightmaps = {0, "gl_lightmaps", "0"};
  42
  43 // flag arrays used for visibility checking on world model
  44 // (all other entities have no per-surface/per-leaf visibility checks)
  45 // TODO: dynamic resize according to r_refdef.worldmodel->brush.num_clusters
  46 qbyte r_pvsbits[(32768+7)>>3];
  47 // TODO: dynamic resize according to r_refdef.worldmodel->brush.num_leafs
  48 qbyte r_worldleafvisible[32768];
  49 // TODO: dynamic resize according to r_refdef.worldmodel->brush.num_surfaces
  50 qbyte r_worldsurfacevisible[262144];
  51
  52 static int dlightdivtable[32768];
  53
  54 static int R_IntAddDynamicLights (const matrix4x4_t *matrix, msurface_t *surface)
  55 {
  56         int sdtable[256], lnum, td, maxdist, maxdist2, maxdist3, i, s, t, smax, tmax, smax3, red, green, blue, lit, dist2, impacts, impactt, subtract, k;
  57         unsigned int *bl;
  58         float dist, impact[3], local[3];
  59         dlight_t *light;
  60
  61         lit = false;
  62
  63         smax = (surface->extents[0] >> 4) + 1;
  64         tmax = (surface->extents[1] >> 4) + 1;
  65         smax3 = smax * 3;
  66
  67         for (lnum = 0, light = r_dlight;lnum < r_numdlights;lnum++, light++)
  68         {
  69                 if (!(surface->dlightbits[lnum >> 5] & (1 << (lnum & 31))))
  70                         continue;                                       // not lit by this light
  71
  72                 Matrix4x4_Transform(matrix, light->origin, local);
  73                 dist = DotProduct (local, surface->plane->normal) - surface->plane->dist;
  74
  75                 // for comparisons to minimum acceptable light
  76                 // compensate for LIGHTOFFSET
  77                 maxdist = (int) light->rtlight.lightmap_cullradius2 + LIGHTOFFSET;
  78
  79                 dist2 = dist * dist;
  80                 dist2 += LIGHTOFFSET;
  81                 if (dist2 >= maxdist)
  82                         continue;
  83
  84                 if (surface->plane->type < 3)
  85                 {
  86                         VectorCopy(local, impact);
  87                         impact[surface->plane->type] -= dist;
  88                 }
  89                 else
  90                 {
  91                         impact[0] = local[0] - surface->plane->normal[0] * dist;
  92                         impact[1] = local[1] - surface->plane->normal[1] * dist;
  93                         impact[2] = local[2] - surface->plane->normal[2] * dist;
  94                 }
  95
  96                 impacts = DotProduct (impact, surface->texinfo->vecs[0]) + surface->texinfo->vecs[0][3] - surface->texturemins[0];
  97                 impactt = DotProduct (impact, surface->texinfo->vecs[1]) + surface->texinfo->vecs[1][3] - surface->texturemins[1];
  98
  99                 s = bound(0, impacts, smax * 16) - impacts;
 100                 t = bound(0, impactt, tmax * 16) - impactt;
 101                 i = s * s + t * t + dist2;
 102                 if (i > maxdist)
 103                         continue;
 104
 105                 // reduce calculations
 106                 for (s = 0, i = impacts; s < smax; s++, i -= 16)
 107                         sdtable[s] = i * i + dist2;
 108
 109                 maxdist3 = maxdist - dist2;
 110
 111                 // convert to 8.8 blocklights format
 112                 red = light->rtlight.lightmap_light[0] * (1.0f / 128.0f);
 113                 green = light->rtlight.lightmap_light[1] * (1.0f / 128.0f);
 114                 blue = light->rtlight.lightmap_light[2] * (1.0f / 128.0f);
 115                 subtract = (int) (light->rtlight.lightmap_subtract * 4194304.0f);
 116                 bl = intblocklights;
 117
 118                 i = impactt;
 119                 for (t = 0;t < tmax;t++, i -= 16)
 120                 {
 121                         td = i * i;
 122                         // make sure some part of it is visible on this line
 123                         if (td < maxdist3)
 124                         {
 125                                 maxdist2 = maxdist - td;
 126                                 for (s = 0;s < smax;s++)
 127                                 {
 128                                         if (sdtable[s] < maxdist2)
 129                                         {
 130                                                 k = dlightdivtable[(sdtable[s] + td) >> 7] - subtract;
 131                                                 if (k > 0)
 132                                                 {
 133                                                         bl[0] += (red   * k);
 134                                                         bl[1] += (green * k);
 135                                                         bl[2] += (blue  * k);
 136                                                         lit = true;
 137                                                 }
 138                                         }
 139                                         bl += 3;
 140                                 }
 141                         }
 142                         else // skip line
 143                                 bl += smax3;
 144                 }
 145         }
 146         return lit;
 147 }
 148
 149 static int R_FloatAddDynamicLights (const matrix4x4_t *matrix, msurface_t *surface)
 150 {
 151         int lnum, s, t, smax, tmax, smax3, lit, impacts, impactt;
 152         float sdtable[256], *bl, k, dist, dist2, maxdist, maxdist2, maxdist3, td1, td, red, green, blue, impact[3], local[3], subtract;
 153         dlight_t *light;
 154
 155         lit = false;
 156
 157         smax = (surface->extents[0] >> 4) + 1;
 158         tmax = (surface->extents[1] >> 4) + 1;
 159         smax3 = smax * 3;
 160
 161         for (lnum = 0, light = r_dlight;lnum < r_numdlights;lnum++, light++)
 162         {
 163                 if (!(surface->dlightbits[lnum >> 5] & (1 << (lnum & 31))))
 164                         continue;                                       // not lit by this light
 165
 166                 Matrix4x4_Transform(matrix, light->origin, local);
 167                 dist = DotProduct (local, surface->plane->normal) - surface->plane->dist;
 168
 169                 // for comparisons to minimum acceptable light
 170                 // compensate for LIGHTOFFSET
 171                 maxdist = (int) light->rtlight.lightmap_cullradius2 + LIGHTOFFSET;
 172
 173                 dist2 = dist * dist;
 174                 dist2 += LIGHTOFFSET;
 175                 if (dist2 >= maxdist)
 176                         continue;
 177
 178                 if (surface->plane->type < 3)
 179                 {
 180                         VectorCopy(local, impact);
 181                         impact[surface->plane->type] -= dist;
 182                 }
 183                 else
 184                 {
 185                         impact[0] = local[0] - surface->plane->normal[0] * dist;
 186                         impact[1] = local[1] - surface->plane->normal[1] * dist;
 187                         impact[2] = local[2] - surface->plane->normal[2] * dist;
 188                 }
 189
 190                 impacts = DotProduct (impact, surface->texinfo->vecs[0]) + surface->texinfo->vecs[0][3] - surface->texturemins[0];
 191                 impactt = DotProduct (impact, surface->texinfo->vecs[1]) + surface->texinfo->vecs[1][3] - surface->texturemins[1];
 192
 193                 td = bound(0, impacts, smax * 16) - impacts;
 194                 td1 = bound(0, impactt, tmax * 16) - impactt;
 195                 td = td * td + td1 * td1 + dist2;
 196                 if (td > maxdist)
 197                         continue;
 198
 199                 // reduce calculations
 200                 for (s = 0, td1 = impacts; s < smax; s++, td1 -= 16.0f)
 201                         sdtable[s] = td1 * td1 + dist2;
 202
 203                 maxdist3 = maxdist - dist2;
 204
 205                 // convert to 8.8 blocklights format
 206                 red = light->rtlight.lightmap_light[0];
 207                 green = light->rtlight.lightmap_light[1];
 208                 blue = light->rtlight.lightmap_light[2];
 209                 subtract = light->rtlight.lightmap_subtract * 32768.0f;
 210                 bl = floatblocklights;
 211
 212                 td1 = impactt;
 213                 for (t = 0;t < tmax;t++, td1 -= 16.0f)
 214                 {
 215                         td = td1 * td1;
 216                         // make sure some part of it is visible on this line
 217                         if (td < maxdist3)
 218                         {
 219                                 maxdist2 = maxdist - td;
 220                                 for (s = 0;s < smax;s++)
 221                                 {
 222                                         if (sdtable[s] < maxdist2)
 223                                         {
 224                                                 k = (32768.0f / (sdtable[s] + td)) - subtract;
 225                                                 bl[0] += red   * k;
 226                                                 bl[1] += green * k;
 227                                                 bl[2] += blue  * k;
 228                                                 lit = true;
 229                                         }
 230                                         bl += 3;
 231                                 }
 232                         }
 233                         else // skip line
 234                                 bl += smax3;
 235                 }
 236         }
 237         return lit;
 238 }
 239
 240 /*
 241 ===============
 242 R_BuildLightMap
 243
 244 Combine and scale multiple lightmaps into the 8.8 format in blocklights
 245 ===============
 246 */
 247 static void R_BuildLightMap (const entity_render_t *ent, msurface_t *surface)
 248 {
 249         if (!r_floatbuildlightmap.integer)
 250         {
 251                 int smax, tmax, i, j, size, size3, maps, stride, l;
 252                 unsigned int *bl, scale;
 253                 qbyte *lightmap, *out, *stain;
 254
 255                 // update cached lighting info
 256                 surface->cached_dlight = 0;
 257
 258                 smax = (surface->extents[0]>>4)+1;
 259                 tmax = (surface->extents[1]>>4)+1;
 260                 size = smax*tmax;
 261                 size3 = size*3;
 262                 lightmap = surface->samples;
 263
 264         // set to full bright if no light data
 265                 bl = intblocklights;
 266                 if (!ent->model->brushq1.lightdata)
 267                 {
 268                         for (i = 0;i < size3;i++)
 269                                 bl[i] = 255*256;
 270                 }
 271                 else
 272                 {
 273         // clear to no light
 274                         memset(bl, 0, size*3*sizeof(unsigned int));
 275
 276                         if (surface->dlightframe == r_framecount)
 277                         {
 278                                 surface->cached_dlight = R_IntAddDynamicLights(&ent->inversematrix, surface);
 279                                 if (surface->cached_dlight)
 280                                         c_light_polys++;
 281                         }
 282
 283         // add all the lightmaps
 284                         if (lightmap)
 285                         {
 286                                 bl = intblocklights;
 287                                 for (maps = 0;maps < MAXLIGHTMAPS && surface->styles[maps] != 255;maps++, lightmap += size3)
 288                                         for (scale = d_lightstylevalue[surface->styles[maps]], i = 0;i < size3;i++)
 289                                                 bl[i] += lightmap[i] * scale;
 290                         }
 291                 }
 292
 293                 stain = surface->stainsamples;
 294                 bl = intblocklights;
 295                 out = templight;
 296                 // the >> 16 shift adjusts down 8 bits to account for the stainmap
 297                 // scaling, and remaps the 0-65536 (2x overbright) to 0-256, it will
 298                 // be doubled during rendering to achieve 2x overbright
 299                 // (0 = 0.0, 128 = 1.0, 256 = 2.0)
 300                 if (ent->model->brushq1.lightmaprgba)
 301                 {
 302                         stride = (surface->lightmaptexturestride - smax) * 4;
 303                         for (i = 0;i < tmax;i++, out += stride)
 304                         {
 305                                 for (j = 0;j < smax;j++)
 306                                 {
 307                                         l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
 308                                         l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
 309                                         l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
 310                                         *out++ = 255;
 311                                 }
 312                         }
 313                 }
 314                 else
 315                 {
 316                         stride = (surface->lightmaptexturestride - smax) * 3;
 317                         for (i = 0;i < tmax;i++, out += stride)
 318                         {
 319                                 for (j = 0;j < smax;j++)
 320                                 {
 321                                         l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
 322                                         l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
 323                                         l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
 324                                 }
 325                         }
 326                 }
 327
 328                 R_UpdateTexture(surface->lightmaptexture, templight);
 329         }
 330         else
 331         {
 332                 int smax, tmax, i, j, size, size3, maps, stride, l;
 333                 float *bl, scale;
 334                 qbyte *lightmap, *out, *stain;
 335
 336                 // update cached lighting info
 337                 surface->cached_dlight = 0;
 338
 339                 smax = (surface->extents[0]>>4)+1;
 340                 tmax = (surface->extents[1]>>4)+1;
 341                 size = smax*tmax;
 342                 size3 = size*3;
 343                 lightmap = surface->samples;
 344
 345         // set to full bright if no light data
 346                 bl = floatblocklights;
 347                 if (!ent->model->brushq1.lightdata)
 348                 {
 349                         for (i = 0;i < size3;i++)
 350                                 bl[i] = 255*256;
 351                 }
 352                 else
 353                 {
 354                         memset(bl, 0, size*3*sizeof(float));
 355
 356                         if (surface->dlightframe == r_framecount)
 357                         {
 358                                 surface->cached_dlight = R_FloatAddDynamicLights(&ent->inversematrix, surface);
 359                                 if (surface->cached_dlight)
 360                                         c_light_polys++;
 361                         }
 362
 363                         // add all the lightmaps
 364                         if (lightmap)
 365                         {
 366                                 bl = floatblocklights;
 367                                 for (maps = 0;maps < MAXLIGHTMAPS && surface->styles[maps] != 255;maps++, lightmap += size3)
 368                                         for (scale = d_lightstylevalue[surface->styles[maps]], i = 0;i < size3;i++)
 369                                                 bl[i] += lightmap[i] * scale;
 370                         }
 371                 }
 372
 373                 stain = surface->stainsamples;
 374                 bl = floatblocklights;
 375                 out = templight;
 376                 // this scaling adjusts down 8 bits to account for the stainmap
 377                 // scaling, and remaps the 0.0-2.0 (2x overbright) to 0-256, it will
 378                 // be doubled during rendering to achieve 2x overbright
 379                 // (0 = 0.0, 128 = 1.0, 256 = 2.0)
 380                 scale = 1.0f / (1 << 16);
 381                 if (ent->model->brushq1.lightmaprgba)
 382                 {
 383                         stride = (surface->lightmaptexturestride - smax) * 4;
 384                         for (i = 0;i < tmax;i++, out += stride)
 385                         {
 386                                 for (j = 0;j < smax;j++)
 387                                 {
 388                                         l = *bl++ * *stain++ * scale;*out++ = min(l, 255);
 389                                         l = *bl++ * *stain++ * scale;*out++ = min(l, 255);
 390                                         l = *bl++ * *stain++ * scale;*out++ = min(l, 255);
 391                                         *out++ = 255;
 392                                 }
 393                         }
 394                 }
 395                 else
 396                 {
 397                         stride = (surface->lightmaptexturestride - smax) * 3;
 398                         for (i = 0;i < tmax;i++, out += stride)
 399                         {
 400                                 for (j = 0;j < smax;j++)
 401                                 {
 402                                         l = *bl++ * *stain++ * scale;*out++ = min(l, 255);
 403                                         l = *bl++ * *stain++ * scale;*out++ = min(l, 255);
 404                                         l = *bl++ * *stain++ * scale;*out++ = min(l, 255);
 405                                 }
 406                         }
 407                 }
 408
 409                 R_UpdateTexture(surface->lightmaptexture, templight);
 410         }
 411 }
 412
 413 void R_StainNode (mnode_t *node, model_t *model, const vec3_t origin, float radius, const float fcolor[8])
 414 {
 415         float ndist, a, ratio, maxdist, maxdist2, maxdist3, invradius, sdtable[256], td, dist2;
 416         msurface_t *surface, *endsurface;
 417         int i, s, t, smax, tmax, smax3, impacts, impactt, stained;
 418         qbyte *bl;
 419         vec3_t impact;
 420
 421         maxdist = radius * radius;
 422         invradius = 1.0f / radius;
 423
 424 loc0:
 425         if (!node->plane)
 426                 return;
 427         ndist = PlaneDiff(origin, node->plane);
 428         if (ndist > radius)
 429         {
 430                 node = node->children[0];
 431                 goto loc0;
 432         }
 433         if (ndist < -radius)
 434         {
 435                 node = node->children[1];
 436                 goto loc0;
 437         }
 438
 439         dist2 = ndist * ndist;
 440         maxdist3 = maxdist - dist2;
 441
 442         if (node->plane->type < 3)
 443         {
 444                 VectorCopy(origin, impact);
 445                 impact[node->plane->type] -= ndist;
 446         }
 447         else
 448         {
 449                 impact[0] = origin[0] - node->plane->normal[0] * ndist;
 450                 impact[1] = origin[1] - node->plane->normal[1] * ndist;
 451                 impact[2] = origin[2] - node->plane->normal[2] * ndist;
 452         }
 453
 454         for (surface = model->brush.data_surfaces + node->firstsurface, endsurface = surface + node->numsurfaces;surface < endsurface;surface++)
 455         {
 456                 if (surface->stainsamples)
 457                 {
 458                         smax = (surface->extents[0] >> 4) + 1;
 459                         tmax = (surface->extents[1] >> 4) + 1;
 460
 461                         impacts = DotProduct (impact, surface->texinfo->vecs[0]) + surface->texinfo->vecs[0][3] - surface->texturemins[0];
 462                         impactt = DotProduct (impact, surface->texinfo->vecs[1]) + surface->texinfo->vecs[1][3] - surface->texturemins[1];
 463
 464                         s = bound(0, impacts, smax * 16) - impacts;
 465                         t = bound(0, impactt, tmax * 16) - impactt;
 466                         i = s * s + t * t + dist2;
 467                         if (i > maxdist)
 468                                 continue;
 469
 470                         // reduce calculations
 471                         for (s = 0, i = impacts; s < smax; s++, i -= 16)
 472                                 sdtable[s] = i * i + dist2;
 473
 474                         bl = surface->stainsamples;
 475                         smax3 = smax * 3;
 476                         stained = false;
 477
 478                         i = impactt;
 479                         for (t = 0;t < tmax;t++, i -= 16)
 480                         {
 481                                 td = i * i;
 482                                 // make sure some part of it is visible on this line
 483                                 if (td < maxdist3)
 484                                 {
 485                                         maxdist2 = maxdist - td;
 486                                         for (s = 0;s < smax;s++)
 487                                         {
 488                                                 if (sdtable[s] < maxdist2)
 489                                                 {
 490                                                         ratio = lhrandom(0.0f, 1.0f);
 491                                                         a = (fcolor[3] + ratio * fcolor[7]) * (1.0f - sqrt(sdtable[s] + td) * invradius);
 492                                                         if (a >= (1.0f / 64.0f))
 493                                                         {
 494                                                                 if (a > 1)
 495                                                                         a = 1;
 496                                                                 bl[0] = (qbyte) ((float) bl[0] + a * ((fcolor[0] + ratio * fcolor[4]) - (float) bl[0]));
 497                                                                 bl[1] = (qbyte) ((float) bl[1] + a * ((fcolor[1] + ratio * fcolor[5]) - (float) bl[1]));
 498                                                                 bl[2] = (qbyte) ((float) bl[2] + a * ((fcolor[2] + ratio * fcolor[6]) - (float) bl[2]));
 499                                                                 stained = true;
 500                                                         }
 501                                                 }
 502                                                 bl += 3;
 503                                         }
 504                                 }
 505                                 else // skip line
 506                                         bl += smax3;
 507                         }
 508                         // force lightmap upload
 509                         if (stained)
 510                                 surface->cached_dlight = true;
 511                 }
 512         }
 513
 514         if (node->children[0]->plane)
 515         {
 516                 if (node->children[1]->plane)
 517                 {
 518                         R_StainNode(node->children[0], model, origin, radius, fcolor);
 519                         node = node->children[1];
 520                         goto loc0;
 521                 }
 522                 else
 523                 {
 524                         node = node->children[0];
 525                         goto loc0;
 526                 }
 527         }
 528         else if (node->children[1]->plane)
 529         {
 530                 node = node->children[1];
 531                 goto loc0;
 532         }
 533 }
 534
 535 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)
 536 {
 537         int n;
 538         float fcolor[8];
 539         entity_render_t *ent;
 540         model_t *model;
 541         vec3_t org;
 542         if (r_refdef.worldmodel == NULL || !r_refdef.worldmodel->brush.data_nodes)
 543                 return;
 544         fcolor[0] = cr1;
 545         fcolor[1] = cg1;
 546         fcolor[2] = cb1;
 547         fcolor[3] = ca1 * (1.0f / 64.0f);
 548         fcolor[4] = cr2 - cr1;
 549         fcolor[5] = cg2 - cg1;
 550         fcolor[6] = cb2 - cb1;
 551         fcolor[7] = (ca2 - ca1) * (1.0f / 64.0f);
 552
 553         R_StainNode(r_refdef.worldmodel->brush.data_nodes + r_refdef.worldmodel->brushq1.hulls[0].firstclipnode, r_refdef.worldmodel, origin, radius, fcolor);
 554
 555         // look for embedded bmodels
 556         for (n = 0;n < cl_num_brushmodel_entities;n++)
 557         {
 558                 ent = cl_brushmodel_entities[n];
 559                 model = ent->model;
 560                 if (model && model->name[0] == '*')
 561                 {
 562                         Mod_CheckLoaded(model);
 563                         if (model->brush.data_nodes)
 564                         {
 565                                 Matrix4x4_Transform(&ent->inversematrix, origin, org);
 566                                 R_StainNode(model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode, model, org, radius, fcolor);
 567                         }
 568                 }
 569         }
 570 }
 571
 572
 573 /*
 574 =============================================================
 575
 576         BRUSH MODELS
 577
 578 =============================================================
 579 */
 580
 581 static void RSurf_AddLightmapToVertexColors_Color4f(const int *lightmapoffsets, float *c, int numverts, const qbyte *samples, int size3, const qbyte *styles)
 582 {
 583         int i;
 584         float scale;
 585         const qbyte *lm;
 586         if (styles[0] != 255)
 587         {
 588                 for (i = 0;i < numverts;i++, c += 4)
 589                 {
 590                         lm = samples + lightmapoffsets[i];
 591                         scale = d_lightstylevalue[styles[0]] * (1.0f / 32768.0f);
 592                         VectorMA(c, scale, lm, c);
 593                         if (styles[1] != 255)
 594                         {
 595                                 lm += size3;
 596                                 scale = d_lightstylevalue[styles[1]] * (1.0f / 32768.0f);
 597                                 VectorMA(c, scale, lm, c);
 598                                 if (styles[2] != 255)
 599                                 {
 600                                         lm += size3;
 601                                         scale = d_lightstylevalue[styles[2]] * (1.0f / 32768.0f);
 602                                         VectorMA(c, scale, lm, c);
 603                                         if (styles[3] != 255)
 604                                         {
 605                                                 lm += size3;
 606                                                 scale = d_lightstylevalue[styles[3]] * (1.0f / 32768.0f);
 607                                                 VectorMA(c, scale, lm, c);
 608                                         }
 609                                 }
 610                         }
 611                 }
 612         }
 613 }
 614
 615 static void RSurf_FogColors_Vertex3f_Color4f(const float *v, float *c, float colorscale, int numverts, const float *modelorg)
 616 {
 617         int i;
 618         float diff[3], f;
 619         if (fogenabled)
 620         {
 621                 for (i = 0;i < numverts;i++, v += 3, c += 4)
 622                 {
 623                         VectorSubtract(v, modelorg, diff);
 624                         f = colorscale * (1 - exp(fogdensity/DotProduct(diff, diff)));
 625                         VectorScale(c, f, c);
 626                 }
 627         }
 628         else if (colorscale != 1)
 629                 for (i = 0;i < numverts;i++, c += 4)
 630                         VectorScale(c, colorscale, c);
 631 }
 632
 633 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)
 634 {
 635         int i;
 636         float diff[3], f;
 637         r *= colorscale;
 638         g *= colorscale;
 639         b *= colorscale;
 640         if (fogenabled)
 641         {
 642                 for (i = 0;i < numverts;i++, v += 3, c += 4)
 643                 {
 644                         VectorSubtract(v, modelorg, diff);
 645                         f = 1 - exp(fogdensity/DotProduct(diff, diff));
 646                         c[0] = r * f;
 647                         c[1] = g * f;
 648                         c[2] = b * f;
 649                         c[3] = a;
 650                 }
 651         }
 652         else
 653         {
 654                 for (i = 0;i < numverts;i++, c += 4)
 655                 {
 656                         c[0] = r;
 657                         c[1] = g;
 658                         c[2] = b;
 659                         c[3] = a;
 660                 }
 661         }
 662 }
 663
 664 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)
 665 {
 666         int i;
 667         float diff[3], f;
 668         r *= colorscale;
 669         g *= colorscale;
 670         b *= colorscale;
 671         for (i = 0;i < numverts;i++, v += 3, c += 4)
 672         {
 673                 VectorSubtract(v, modelorg, diff);
 674                 f = exp(fogdensity/DotProduct(diff, diff));
 675                 c[0] = r;
 676                 c[1] = g;
 677                 c[2] = b;
 678                 c[3] = a * f;
 679         }
 680 }
 681
 682 static int RSurf_LightSeparate_Vertex3f_Color4f(const matrix4x4_t *matrix, const int *dlightbits, int numverts, const float *vert, float *color, float scale)
 683 {
 684         float f;
 685         const float *v;
 686         float *c;
 687         int i, l, lit = false;
 688         const dlight_t *light;
 689         vec3_t lightorigin;
 690         for (l = 0;l < r_numdlights;l++)
 691         {
 692                 if (dlightbits[l >> 5] & (1 << (l & 31)))
 693                 {
 694                         light = &r_dlight[l];
 695                         Matrix4x4_Transform(matrix, light->origin, lightorigin);
 696                         for (i = 0, v = vert, c = color;i < numverts;i++, v += 3, c += 4)
 697                         {
 698                                 f = VectorDistance2(v, lightorigin) + LIGHTOFFSET;
 699                                 if (f < light->rtlight.lightmap_cullradius2)
 700                                 {
 701                                         f = ((1.0f / f) - light->rtlight.lightmap_subtract) * scale;
 702                                         VectorMA(c, f, light->rtlight.lightmap_light, c);
 703                                         lit = true;
 704                                 }
 705                         }
 706                 }
 707         }
 708         return lit;
 709 }
 710
 711 static void RSurfShader_Transparent_Callback(const void *calldata1, int calldata2)
 712 {
 713         const entity_render_t *ent = calldata1;
 714         const msurface_t *surface = ent->model->brush.data_surfaces + calldata2;
 715         rmeshstate_t m;
 716         float currentalpha;
 717         float base, colorscale;
 718         vec3_t modelorg;
 719         texture_t *texture;
 720         float args[4] = {0.05f,0,0,0.04f};
 721         int rendertype, turb, fullbright;
 722
 723         R_Mesh_Matrix(&ent->matrix);
 724         Matrix4x4_Transform(&ent->inversematrix, r_vieworigin, modelorg);
 725
 726         texture = surface->texture;
 727         if (texture->animated)
 728                 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];
 729         currentalpha = ent->alpha;
 730         if (texture->flags & SURF_WATERALPHA)
 731                 currentalpha *= r_wateralpha.value;
 732
 733         GL_DepthTest(!(ent->effects & EF_NODEPTHTEST));
 734         if (ent->effects & EF_ADDITIVE)
 735         {
 736                 rendertype = SURFRENDER_ADD;
 737                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
 738                 GL_DepthMask(false);
 739         }
 740         else if (currentalpha < 1 || texture->skin.fog != NULL)
 741         {
 742                 rendertype = SURFRENDER_ALPHA;
 743                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 744                 GL_DepthMask(false);
 745         }
 746         else
 747         {
 748                 rendertype = SURFRENDER_OPAQUE;
 749                 GL_BlendFunc(GL_ONE, GL_ZERO);
 750                 GL_DepthMask(!(ent->effects & EF_NODEPTHTEST));
 751         }
 752
 753         turb = (texture->flags & SURF_DRAWTURB) && r_waterscroll.value;
 754         fullbright = !(ent->flags & RENDER_LIGHT) || (texture->flags & SURF_DRAWFULLBRIGHT) || !surface->samples;
 755         base = fullbright ? 2.0f : r_ambient.value * (1.0f / 64.0f);
 756         if (texture->flags & SURF_DRAWTURB)
 757                 base *= 0.5f;
 758         if ((texture->flags & SURF_DRAWTURB) && gl_textureshader && r_watershader.value && !fogenabled && fullbright && ent->colormod[0] == 1 && ent->colormod[1] == 1 && ent->colormod[2] == 1)
 759         {
 760                 // NVIDIA Geforce3 distortion texture shader on water
 761                 GL_Color(1, 1, 1, currentalpha);
 762                 memset(&m, 0, sizeof(m));
 763                 m.pointer_vertex = surface->mesh.data_vertex3f;
 764                 m.tex[0] = R_GetTexture(mod_shared_distorttexture[(int)(r_refdef.time * 16)&63]);
 765                 m.tex[1] = R_GetTexture(texture->skin.base);
 766                 m.texcombinergb[0] = GL_REPLACE;
 767                 m.texcombinergb[1] = GL_REPLACE;
 768                 m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
 769                 m.pointer_texcoord[1] = surface->mesh.data_texcoordtexture2f;
 770                 Matrix4x4_CreateFromQuakeEntity(&m.texmatrix[0], 0, 0, 0, 0, 0, 0, r_watershader.value);
 771                 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);
 772                 R_Mesh_State(&m);
 773
 774                 GL_ActiveTexture(0);
 775                 qglTexEnvi(GL_TEXTURE_SHADER_NV, GL_SHADER_OPERATION_NV, GL_TEXTURE_2D);
 776                 GL_ActiveTexture(1);
 777                 qglTexEnvi(GL_TEXTURE_SHADER_NV, GL_SHADER_OPERATION_NV, GL_OFFSET_TEXTURE_2D_NV);
 778                 qglTexEnvi(GL_TEXTURE_SHADER_NV, GL_PREVIOUS_TEXTURE_INPUT_NV, GL_TEXTURE0_ARB);
 779                 qglTexEnvfv(GL_TEXTURE_SHADER_NV, GL_OFFSET_TEXTURE_MATRIX_NV, &args[0]);
 780                 qglEnable(GL_TEXTURE_SHADER_NV);
 781
 782                 GL_LockArrays(0, surface->mesh.num_vertices);
 783                 R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
 784                 GL_LockArrays(0, 0);
 785
 786                 qglDisable(GL_TEXTURE_SHADER_NV);
 787                 qglTexEnvi(GL_TEXTURE_SHADER_NV, GL_SHADER_OPERATION_NV, GL_TEXTURE_2D);
 788                 GL_ActiveTexture(0);
 789         }
 790         else
 791         {
 792                 memset(&m, 0, sizeof(m));
 793                 m.pointer_vertex = surface->mesh.data_vertex3f;
 794                 m.pointer_color = varray_color4f;
 795                 m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
 796                 m.tex[0] = R_GetTexture(texture->skin.base);
 797                 if (turb)
 798                 {
 799                         // scrolling in texture matrix
 800                         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);
 801                 }
 802                 colorscale = 1;
 803                 if (gl_combine.integer)
 804                 {
 805                         m.texrgbscale[0] = 4;
 806                         colorscale *= 0.25f;
 807                 }
 808                 R_FillColors(varray_color4f, surface->mesh.num_vertices, base * ent->colormod[0], base * ent->colormod[1], base * ent->colormod[2], currentalpha);
 809                 if (!fullbright)
 810                 {
 811                         if (surface->dlightframe == r_framecount)
 812                                 RSurf_LightSeparate_Vertex3f_Color4f(&ent->inversematrix, surface->dlightbits, surface->mesh.num_vertices, surface->mesh.data_vertex3f, varray_color4f, 1);
 813                         if (surface->samples)
 814                                 RSurf_AddLightmapToVertexColors_Color4f(surface->mesh.data_lightmapoffsets, varray_color4f,surface->mesh.num_vertices, surface->samples, ((surface->extents[0]>>4)+1)*((surface->extents[1]>>4)+1)*3, surface->styles);
 815                 }
 816                 RSurf_FogColors_Vertex3f_Color4f(surface->mesh.data_vertex3f, varray_color4f, colorscale, surface->mesh.num_vertices, modelorg);
 817                 R_Mesh_State(&m);
 818                 GL_LockArrays(0, surface->mesh.num_vertices);
 819                 R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
 820                 GL_LockArrays(0, 0);
 821                 if (texture->skin.glow)
 822                 {
 823                         memset(&m, 0, sizeof(m));
 824                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
 825                         GL_DepthMask(false);
 826                         m.pointer_color = varray_color4f;
 827                         m.tex[0] = R_GetTexture(texture->skin.glow);
 828                         m.pointer_vertex = surface->mesh.data_vertex3f;
 829                         if (m.tex[0])
 830                         {
 831                                 m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
 832                                 if (turb)
 833                                 {
 834                                         // scrolling in texture matrix
 835                                         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);
 836                                 }
 837                         }
 838                         R_Mesh_State(&m);
 839                         RSurf_FoggedColors_Vertex3f_Color4f(surface->mesh.data_vertex3f, varray_color4f, 1, 1, 1, currentalpha, 1, surface->mesh.num_vertices, modelorg);
 840                         GL_LockArrays(0, surface->mesh.num_vertices);
 841                         R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
 842                         GL_LockArrays(0, 0);
 843                 }
 844                 if (fogenabled && rendertype != SURFRENDER_ADD)
 845                 {
 846                         memset(&m, 0, sizeof(m));
 847                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
 848                         GL_DepthMask(false);
 849                         m.pointer_color = varray_color4f;
 850                         m.tex[0] = R_GetTexture(texture->skin.fog);
 851                         m.pointer_vertex = surface->mesh.data_vertex3f;
 852                         if (m.tex[0])
 853                         {
 854                                 m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
 855                                 if (turb)
 856                                 {
 857                                         // scrolling in texture matrix
 858                                         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);
 859                                 }
 860                         }
 861                         R_Mesh_State(&m);
 862                         RSurf_FogPassColors_Vertex3f_Color4f(surface->mesh.data_vertex3f, varray_color4f, fogcolor[0], fogcolor[1], fogcolor[2], currentalpha, 1, surface->mesh.num_vertices, modelorg);
 863                         GL_LockArrays(0, surface->mesh.num_vertices);
 864                         R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
 865                         GL_LockArrays(0, 0);
 866                 }
 867         }
 868 }
 869
 870 void R_UpdateTextureInfo(entity_render_t *ent)
 871 {
 872         int i, texframe, alttextures;
 873         texture_t *t;
 874
 875         if (!ent->model)
 876                 return;
 877
 878         alttextures = ent->frame != 0;
 879         texframe = (int)(r_refdef.time * 5.0f);
 880         for (i = 0;i < ent->model->brush.num_textures;i++)
 881         {
 882                 t = ent->model->brush.data_textures + i;
 883                 t->currentalpha = ent->alpha;
 884                 if (t->flags & SURF_WATERALPHA)
 885                         t->currentalpha *= r_wateralpha.value;
 886                 if (ent->effects & EF_ADDITIVE)
 887                         t->rendertype = SURFRENDER_ADD;
 888                 else if (t->currentalpha < 1 || t->skin.fog != NULL)
 889                         t->rendertype = SURFRENDER_ALPHA;
 890                 else
 891                         t->rendertype = SURFRENDER_OPAQUE;
 892                 // we don't need to set currentframe if t->animated is false because
 893                 // it was already set up by the texture loader for non-animating
 894                 if (t->animated)
 895                         t->currentframe = t->anim_frames[alttextures][(t->anim_total[alttextures] >= 2) ? (texframe % t->anim_total[alttextures]) : 0];
 896         }
 897 }
 898
 899 void R_DrawSurfaceList(entity_render_t *ent, texture_t *texture, int texturenumsurfaces, msurface_t **texturesurfacelist)
 900 {
 901         int texturesurfaceindex;
 902         vec3_t tempcenter, center, modelorg;
 903         msurface_t *surface;
 904         rmeshstate_t m;
 905         Matrix4x4_Transform(&ent->inversematrix, r_vieworigin, modelorg);
 906         if (gl_lightmaps.integer)
 907         {
 908                 GL_BlendFunc(GL_ONE, GL_ZERO);
 909                 GL_DepthMask(true);
 910                 GL_DepthTest(true);
 911                 GL_Color(1, 1, 1, 1);
 912                 memset(&m, 0, sizeof(m));
 913                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
 914                 {
 915                         surface = texturesurfacelist[texturesurfaceindex];
 916                         m.tex[0] = R_GetTexture(surface->lightmaptexture);
 917                         m.pointer_vertex = surface->mesh.data_vertex3f;
 918                         m.pointer_texcoord[0] = surface->mesh.data_texcoordlightmap2f;
 919                         R_Mesh_State(&m);
 920                         GL_LockArrays(0, surface->mesh.num_vertices);
 921                         R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
 922                         GL_LockArrays(0, 0);
 923                 }
 924         }
 925         else if (texture->rendertype != SURFRENDER_OPAQUE)
 926         {
 927                 // transparent vertex shaded from lightmap
 928                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
 929                 {
 930                         surface = texturesurfacelist[texturesurfaceindex];
 931                         tempcenter[0] = (surface->mins[0] + surface->maxs[0]) * 0.5f;
 932                         tempcenter[1] = (surface->mins[1] + surface->maxs[1]) * 0.5f;
 933                         tempcenter[2] = (surface->mins[2] + surface->maxs[2]) * 0.5f;
 934                         Matrix4x4_Transform(&ent->matrix, tempcenter, center);
 935                         R_MeshQueue_AddTransparent(ent->effects & EF_NODEPTHTEST ? r_vieworigin : center, RSurfShader_Transparent_Callback, ent, surface - ent->model->brush.data_surfaces);
 936                 }
 937         }
 938         else if (texture->flags & SURF_LIGHTMAP)
 939         {
 940                 qboolean dolightmap = (ent->flags & RENDER_LIGHT);
 941                 qboolean dobase = true;
 942                 qboolean doambient = r_ambient.value > 0;
 943                 qboolean dodetail = r_detailtextures.integer != 0;
 944                 qboolean doglow = texture->skin.glow != NULL;
 945                 qboolean dofog = fogenabled;
 946                 // multitexture cases
 947                 if (r_textureunits.integer >= 2 && gl_combine.integer && dobase && dolightmap)
 948                 {
 949                         dobase = false;
 950                         dolightmap = false;
 951                         GL_BlendFunc(GL_ONE, GL_ZERO);
 952                         GL_DepthMask(true);
 953                         GL_DepthTest(true);
 954                         GL_Color(1, 1, 1, 1);
 955                         GL_Color(r_lightmapintensity * ent->colormod[0], r_lightmapintensity * ent->colormod[1], r_lightmapintensity * ent->colormod[2], 1);
 956                         memset(&m, 0, sizeof(m));
 957                         m.tex[0] = R_GetTexture(texture->skin.base);
 958                         m.texrgbscale[1] = 2;
 959                         if (r_textureunits.integer >= 3 && !doambient && dodetail)
 960                         {
 961                                 m.tex[2] = R_GetTexture(texture->skin.detail);
 962                                 m.texrgbscale[2] = 2;
 963                                 dodetail = false;
 964                                 if (r_textureunits.integer >= 3 && texture->skin.glow)
 965                                 {
 966                                         m.tex[3] = R_GetTexture(texture->skin.glow);
 967                                         m.texcombinergb[3] = GL_ADD;
 968                                         doglow = false;
 969                                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
 970                                         {
 971                                                 surface = texturesurfacelist[texturesurfaceindex];
 972                                                 m.tex[1] = R_GetTexture(surface->lightmaptexture);
 973                                                 m.pointer_vertex = surface->mesh.data_vertex3f;
 974                                                 m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
 975                                                 m.pointer_texcoord[1] = surface->mesh.data_texcoordlightmap2f;
 976                                                 m.pointer_texcoord[2] = surface->mesh.data_texcoorddetail2f;
 977                                                 m.pointer_texcoord[3] = surface->mesh.data_texcoordtexture2f;
 978                                                 R_Mesh_State(&m);
 979                                                 GL_LockArrays(0, surface->mesh.num_vertices);
 980                                                 R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
 981                                                 GL_LockArrays(0, 0);
 982                                         }
 983                                 }
 984                                 else
 985                                 {
 986                                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
 987                                         {
 988                                                 surface = texturesurfacelist[texturesurfaceindex];
 989                                                 m.tex[1] = R_GetTexture(surface->lightmaptexture);
 990                                                 m.pointer_vertex = surface->mesh.data_vertex3f;
 991                                                 m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
 992                                                 m.pointer_texcoord[1] = surface->mesh.data_texcoordlightmap2f;
 993                                                 m.pointer_texcoord[2] = surface->mesh.data_texcoorddetail2f;
 994                                                 R_Mesh_State(&m);
 995                                                 GL_LockArrays(0, surface->mesh.num_vertices);
 996                                                 R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
 997                                                 GL_LockArrays(0, 0);
 998                                         }
 999                                 }
1000                         }
1001                         else if (r_textureunits.integer >= 3 && !doambient && !dodetail && doglow)
1002                         {
1003                                 m.tex[2] = R_GetTexture(texture->skin.glow);
1004                                 m.texcombinergb[2] = GL_ADD;
1005                                 doglow = false;
1006                                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1007                                 {
1008                                         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_texcoordtexture2f;
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                 // anything not handled above
1022                 if (dobase)
1023                 {
1024                         GL_BlendFunc(GL_ONE, GL_ZERO);
1025                         GL_DepthMask(true);
1026                         GL_DepthTest(true);
1027                         GL_Color(1, 1, 1, 1);
1028                         if (ent->flags & RENDER_LIGHT)
1029                                 GL_Color(r_lightmapintensity * ent->colormod[0], r_lightmapintensity * ent->colormod[1], r_lightmapintensity * ent->colormod[2], 1);
1030                         else
1031                                 GL_Color(ent->colormod[0], ent->colormod[1], ent->colormod[2], 1);
1032                         memset(&m, 0, sizeof(m));
1033                         m.tex[0] = R_GetTexture(texture->skin.base);
1034                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1035                         {
1036                                 surface = texturesurfacelist[texturesurfaceindex];
1037                                 m.pointer_vertex = surface->mesh.data_vertex3f;
1038                                 m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
1039                                 R_Mesh_State(&m);
1040                                 GL_LockArrays(0, surface->mesh.num_vertices);
1041                                 R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1042                                 GL_LockArrays(0, 0);
1043                         }
1044                 }
1045                 GL_DepthMask(false);
1046                 if (dolightmap)
1047                 {
1048                         GL_BlendFunc(GL_DST_COLOR, GL_SRC_COLOR);
1049                         GL_DepthMask(false);
1050                         GL_DepthTest(true);
1051                         GL_Color(1, 1, 1, 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                                 surface = texturesurfacelist[texturesurfaceindex];
1057                                 m.tex[0] = R_GetTexture(surface->lightmaptexture);
1058                                 m.pointer_vertex = surface->mesh.data_vertex3f;
1059                                 m.pointer_texcoord[0] = surface->mesh.data_texcoordlightmap2f;
1060                                 R_Mesh_State(&m);
1061                                 GL_LockArrays(0, surface->mesh.num_vertices);
1062                                 R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1063                                 GL_LockArrays(0, 0);
1064                         }
1065                 }
1066                 if (doambient)
1067                 {
1068                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1069                         GL_DepthMask(false);
1070                         GL_DepthTest(true);
1071                         memset(&m, 0, sizeof(m));
1072                         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);
1073                         m.tex[0] = R_GetTexture(texture->skin.base);
1074                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1075                         {
1076                                 surface = texturesurfacelist[texturesurfaceindex];
1077                                 m.pointer_vertex = surface->mesh.data_vertex3f;
1078                                 m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
1079                                 R_Mesh_State(&m);
1080                                 GL_LockArrays(0, surface->mesh.num_vertices);
1081                                 R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1082                                 GL_LockArrays(0, 0);
1083                         }
1084                 }
1085                 if (dodetail)
1086                 {
1087                         GL_BlendFunc(GL_DST_COLOR, GL_SRC_COLOR);
1088                         GL_DepthMask(false);
1089                         GL_DepthTest(true);
1090                         GL_Color(1, 1, 1, 1);
1091                         memset(&m, 0, sizeof(m));
1092                         m.tex[0] = R_GetTexture(texture->skin.detail);
1093                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1094                         {
1095                                 surface = texturesurfacelist[texturesurfaceindex];
1096                                 m.pointer_vertex = surface->mesh.data_vertex3f;
1097                                 m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
1098                                 R_Mesh_State(&m);
1099                                 GL_LockArrays(0, surface->mesh.num_vertices);
1100                                 R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1101                                 GL_LockArrays(0, 0);
1102                         }
1103                 }
1104                 if (doglow)
1105                 {
1106                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1107                         GL_DepthMask(false);
1108                         GL_DepthTest(true);
1109                         GL_Color(1, 1, 1, 1);
1110                         memset(&m, 0, sizeof(m));
1111                         m.tex[0] = R_GetTexture(texture->skin.glow);
1112                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1113                         {
1114                                 surface = texturesurfacelist[texturesurfaceindex];
1115                                 m.pointer_vertex = surface->mesh.data_vertex3f;
1116                                 m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
1117                                 R_Mesh_State(&m);
1118                                 GL_LockArrays(0, surface->mesh.num_vertices);
1119                                 R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1120                                 GL_LockArrays(0, 0);
1121                         }
1122                 }
1123                 if (dofog)
1124                 {
1125                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1126                         GL_DepthMask(false);
1127                         GL_DepthTest(true);
1128                         memset(&m, 0, sizeof(m));
1129                         m.pointer_color = varray_color4f;
1130                         m.tex[0] = R_GetTexture(texture->skin.glow);
1131                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1132                         {
1133                                 surface = texturesurfacelist[texturesurfaceindex];
1134                                 m.pointer_vertex = surface->mesh.data_vertex3f;
1135                                 if (m.tex[0])
1136                                         m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
1137                                 R_Mesh_State(&m);
1138                                 RSurf_FogPassColors_Vertex3f_Color4f(surface->mesh.data_vertex3f, varray_color4f, fogcolor[0], fogcolor[1], fogcolor[2], 1, 1, surface->mesh.num_vertices, modelorg);
1139                                 GL_LockArrays(0, surface->mesh.num_vertices);
1140                                 R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1141                                 GL_LockArrays(0, 0);
1142                         }
1143                 }
1144         }
1145         else if (texture->flags & SURF_DRAWTURB)
1146         {
1147                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1148                 {
1149                         surface = texturesurfacelist[texturesurfaceindex];
1150                         RSurfShader_Transparent_Callback(ent, surface - ent->model->brush.data_surfaces);
1151                 }
1152         }
1153         else if (texture->flags & SURF_DRAWSKY)
1154         {
1155                 if (skyrendernow)
1156                 {
1157                         skyrendernow = false;
1158                         if (skyrendermasked)
1159                                 R_Sky();
1160                 }
1161                 // LordHavoc: HalfLife maps have freaky skypolys...
1162                 if (!ent->model->brush.ishlbsp)
1163                 {
1164                         R_Mesh_Matrix(&ent->matrix);
1165                         GL_Color(fogcolor[0], fogcolor[1], fogcolor[2], 1);
1166                         if (skyrendermasked)
1167                         {
1168                                 // depth-only (masking)
1169                                 GL_ColorMask(0,0,0,0);
1170                                 // just to make sure that braindead drivers don't draw anything
1171                                 // despite that colormask...
1172                                 GL_BlendFunc(GL_ZERO, GL_ONE);
1173                         }
1174                         else
1175                         {
1176                                 // fog sky
1177                                 GL_BlendFunc(GL_ONE, GL_ZERO);
1178                         }
1179                         GL_DepthMask(true);
1180                         GL_DepthTest(true);
1181                         memset(&m, 0, sizeof(m));
1182                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1183                         {
1184                                 surface = texturesurfacelist[texturesurfaceindex];
1185                                 m.pointer_vertex = surface->mesh.data_vertex3f;
1186                                 R_Mesh_State(&m);
1187                                 GL_LockArrays(0, surface->mesh.num_vertices);
1188                                 R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1189                                 GL_LockArrays(0, 0);
1190                         }
1191                         GL_ColorMask(r_refdef.colormask[0], r_refdef.colormask[1], r_refdef.colormask[2], 1);
1192                 }
1193         }
1194 }
1195
1196 void R_DrawSurfaces(entity_render_t *ent, qboolean skysurfaces)
1197 {
1198         int i, j, f, flagsmask;
1199         msurface_t *surface, **surfacechain;
1200         texture_t *t, *texture;
1201         model_t *model = ent->model;
1202         vec3_t modelorg;
1203         const int maxsurfacelist = 1024;
1204         int numsurfacelist = 0;
1205         msurface_t *surfacelist[1024];
1206         if (model == NULL)
1207                 return;
1208         R_Mesh_Matrix(&ent->matrix);
1209         Matrix4x4_Transform(&ent->inversematrix, r_vieworigin, modelorg);
1210
1211         if (ent != r_refdef.worldentity)
1212         {
1213                 // because bmodels can be reused, we have to clear dlightframe every time
1214                 surface = model->brush.data_surfaces + model->firstmodelsurface;
1215                 for (i = 0;i < model->nummodelsurfaces;i++, surface++)
1216                         surface->dlightframe = -1;
1217         }
1218
1219         // update light styles
1220         if (!skysurfaces)
1221         {
1222                 if (r_dynamic.integer && !r_rtdlight)
1223                         R_MarkLights(ent);
1224                 for (i = 0;i < model->brushq1.light_styles;i++)
1225                 {
1226                         if (model->brushq1.light_stylevalue[i] != d_lightstylevalue[model->brushq1.light_style[i]])
1227                         {
1228                                 model->brushq1.light_stylevalue[i] = d_lightstylevalue[model->brushq1.light_style[i]];
1229                                 if ((surfacechain = model->brushq1.light_styleupdatechains[i]))
1230                                         for (;(surface = *surfacechain);surfacechain++)
1231                                                 surface->cached_dlight = true;
1232                         }
1233                 }
1234         }
1235
1236         R_UpdateTextureInfo(ent);
1237         flagsmask = skysurfaces ? SURF_DRAWSKY : (SURF_DRAWTURB | SURF_LIGHTMAP);
1238         f = 0;
1239         t = NULL;
1240         numsurfacelist = 0;
1241         for (i = 0, j = model->firstmodelsurface;i < model->nummodelsurfaces;i++, j++)
1242         {
1243                 if (ent != r_refdef.worldentity || r_worldsurfacevisible[j])
1244                 {
1245                         surface = model->brush.data_surfaces + j;
1246                         if (t != surface->texture)
1247                         {
1248                                 if (numsurfacelist)
1249                                 {
1250                                         R_DrawSurfaceList(ent, texture, numsurfacelist, surfacelist);
1251                                         numsurfacelist = 0;
1252                                 }
1253                                 t = surface->texture;
1254                                 f = t->flags & flagsmask;
1255                                 texture = t->currentframe;
1256                         }
1257                         if (f)
1258                         {
1259                                 // add face to draw list and update lightmap if necessary
1260                                 c_faces++;
1261                                 if (surface->cached_dlight && surface->lightmaptexture != NULL)
1262                                         R_BuildLightMap(ent, surface);
1263                                 surfacelist[numsurfacelist++] = surface;
1264                                 if (numsurfacelist >= maxsurfacelist)
1265                                 {
1266                                         R_DrawSurfaceList(ent, texture, numsurfacelist, surfacelist);
1267                                         numsurfacelist = 0;
1268                                 }
1269                         }
1270                 }
1271         }
1272         if (numsurfacelist)
1273                 R_DrawSurfaceList(ent, texture, numsurfacelist, surfacelist);
1274 }
1275
1276 static void R_DrawPortal_Callback(const void *calldata1, int calldata2)
1277 {
1278         int i;
1279         float *v;
1280         rmeshstate_t m;
1281         const mportal_t *portal = calldata1;
1282         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1283         GL_DepthMask(false);
1284         GL_DepthTest(true);
1285         R_Mesh_Matrix(&r_identitymatrix);
1286
1287         memset(&m, 0, sizeof(m));
1288         m.pointer_vertex = varray_vertex3f;
1289         R_Mesh_State(&m);
1290
1291         i = calldata2;
1292         GL_Color(((i & 0x0007) >> 0) * (1.0f / 7.0f),
1293                          ((i & 0x0038) >> 3) * (1.0f / 7.0f),
1294                          ((i & 0x01C0) >> 6) * (1.0f / 7.0f),
1295                          0.125f);
1296         if (PlaneDiff(r_vieworigin, (&portal->plane)) < 0)
1297         {
1298                 for (i = portal->numpoints - 1, v = varray_vertex3f;i >= 0;i--, v += 3)
1299                         VectorCopy(portal->points[i].position, v);
1300         }
1301         else
1302                 for (i = 0, v = varray_vertex3f;i < portal->numpoints;i++, v += 3)
1303                         VectorCopy(portal->points[i].position, v);
1304         GL_LockArrays(0, portal->numpoints);
1305         R_Mesh_Draw(portal->numpoints, portal->numpoints - 2, polygonelements);
1306         GL_LockArrays(0, 0);
1307 }
1308
1309 // LordHavoc: this is just a nice debugging tool, very slow
1310 static void R_DrawPortals(void)
1311 {
1312         int i, portalnum;
1313         mportal_t *portal;
1314         float center[3], f;
1315         model_t *model = r_refdef.worldmodel;
1316         if (model == NULL)
1317                 return;
1318         for (portalnum = 0, portal = model->brush.data_portals;portalnum < model->brush.num_portals;portalnum++, portal++)
1319         {
1320                 if (portal->numpoints <= POLYGONELEMENTS_MAXPOINTS)
1321                 if (!R_CullBox(portal->mins, portal->maxs))
1322                 {
1323                         VectorClear(center);
1324                         for (i = 0;i < portal->numpoints;i++)
1325                                 VectorAdd(center, portal->points[i].position, center);
1326                         f = ixtable[portal->numpoints];
1327                         VectorScale(center, f, center);
1328                         R_MeshQueue_AddTransparent(center, R_DrawPortal_Callback, portal, portalnum);
1329                 }
1330         }
1331 }
1332
1333 void R_WorldVisibility(void)
1334 {
1335         int i, j, *mark;
1336         mleaf_t *leaf;
1337         mleaf_t *viewleaf;
1338         model_t *model = r_refdef.worldmodel;
1339
1340         if (!model)
1341                 return;
1342
1343         // if possible find the leaf the view origin is in
1344         viewleaf = model->brushq1.PointInLeaf ? model->brushq1.PointInLeaf(model, r_vieworigin) : NULL;
1345         // if possible fetch the visible cluster bits
1346         if (model->brush.FatPVS)
1347                 model->brush.FatPVS(model, r_vieworigin, 2, r_pvsbits, sizeof(r_pvsbits));
1348
1349         // clear the visible surface and leaf flags arrays
1350         memset(r_worldsurfacevisible, 0, model->brush.num_surfaces);
1351         memset(r_worldleafvisible, 0, model->brush.num_leafs);
1352
1353         // if the user prefers surfaceworldnode (testing?) or the viewleaf could
1354         // not be found, or the viewleaf is not part of the visible world
1355         // (floating around in the void), use the pvs method
1356         if (r_surfaceworldnode.integer || !viewleaf || viewleaf->clusterindex < 0)
1357         {
1358                 // pvs method:
1359                 // similar to quake's RecursiveWorldNode but without cache misses
1360                 for (j = 0, leaf = model->brush.data_leafs;j < model->brush.num_leafs;j++, leaf++)
1361                 {
1362                         // if leaf is in current pvs and on the screen, mark its surfaces
1363                         if (CHECKPVSBIT(r_pvsbits, leaf->clusterindex) && !R_CullBox(leaf->mins, leaf->maxs))
1364                         {
1365                                 c_leafs++;
1366                                 r_worldleafvisible[j] = true;
1367                                 if (leaf->numleafsurfaces)
1368                                         for (i = 0, mark = leaf->firstleafsurface;i < leaf->numleafsurfaces;i++, mark++)
1369                                                 r_worldsurfacevisible[*mark] = true;
1370                         }
1371                 }
1372         }
1373         else
1374         {
1375                 int leafstackpos;
1376                 mportal_t *p;
1377                 mleaf_t *leafstack[8192];
1378                 // portal method:
1379                 // follows portals leading outward from viewleaf, does not venture
1380                 // offscreen or into leafs that are not visible, faster than Quake's
1381                 // RecursiveWorldNode and vastly better in unvised maps, often culls a
1382                 // lot of surface that pvs alone would miss
1383                 leafstack[0] = viewleaf;
1384                 leafstackpos = 1;
1385                 while (leafstackpos)
1386                 {
1387                         c_leafs++;
1388                         leaf = leafstack[--leafstackpos];
1389                         r_worldleafvisible[leaf - model->brush.data_leafs] = true;
1390                         // mark any surfaces bounding this leaf
1391                         if (leaf->numleafsurfaces)
1392                                 for (i = 0, mark = leaf->firstleafsurface;i < leaf->numleafsurfaces;i++, mark++)
1393                                         r_worldsurfacevisible[*mark] = true;
1394                         // follow portals into other leafs
1395                         // the checks are:
1396                         // if viewer is behind portal (portal faces outward into the scene)
1397                         // and the portal polygon's bounding box is on the screen
1398                         // and the leaf has not been visited yet
1399                         // and the leaf is visible in the pvs
1400                         // (the first two checks won't cause as many cache misses as the leaf checks)
1401                         for (p = leaf->portals;p;p = p->next)
1402                                 if (DotProduct(r_vieworigin, p->plane.normal) < (p->plane.dist + 1) && !R_CullBox(p->mins, p->maxs) && !r_worldleafvisible[p->past - model->brush.data_leafs] && CHECKPVSBIT(r_pvsbits, p->past->clusterindex))
1403                                         leafstack[leafstackpos++] = p->past;
1404                 }
1405         }
1406
1407         if (r_drawportals.integer)
1408                 R_DrawPortals();
1409 }
1410
1411 void R_Q1BSP_DrawSky(entity_render_t *ent)
1412 {
1413         if (ent->model == NULL)
1414                 return;
1415         R_DrawSurfaces(ent, true);
1416 }
1417
1418 void R_Q1BSP_Draw(entity_render_t *ent)
1419 {
1420         if (ent->model == NULL)
1421                 return;
1422         c_bmodels++;
1423         R_DrawSurfaces(ent, false);
1424 }
1425
1426 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)
1427 {
1428         model_t *model = ent->model;
1429         vec3_t lightmins, lightmaxs;
1430         int t, leafindex, leafsurfaceindex, surfaceindex, triangleindex, outnumclusters = 0, outnumsurfaces = 0;
1431         const int *e;
1432         const float *v[3];
1433         msurface_t *surface;
1434         mleaf_t *leaf;
1435         const qbyte *pvs;
1436         lightmins[0] = relativelightorigin[0] - lightradius;
1437         lightmins[1] = relativelightorigin[1] - lightradius;
1438         lightmins[2] = relativelightorigin[2] - lightradius;
1439         lightmaxs[0] = relativelightorigin[0] + lightradius;
1440         lightmaxs[1] = relativelightorigin[1] + lightradius;
1441         lightmaxs[2] = relativelightorigin[2] + lightradius;
1442         *outnumclusterspointer = 0;
1443         *outnumsurfacespointer = 0;
1444         memset(outclusterpvs, 0, model->brush.num_pvsclusterbytes);
1445         memset(outsurfacepvs, 0, (model->nummodelsurfaces + 7) >> 3);
1446         if (model == NULL)
1447         {
1448                 VectorCopy(lightmins, outmins);
1449                 VectorCopy(lightmaxs, outmaxs);
1450                 return;
1451         }
1452         VectorCopy(relativelightorigin, outmins);
1453         VectorCopy(relativelightorigin, outmaxs);
1454         if (model->brush.GetPVS)
1455                 pvs = model->brush.GetPVS(model, relativelightorigin);
1456         else
1457                 pvs = NULL;
1458         // FIXME: use BSP recursion as lights are often small
1459         for (leafindex = 0, leaf = model->brush.data_leafs;leafindex < model->brush.num_leafs;leafindex++, leaf++)
1460         {
1461                 if (BoxesOverlap(lightmins, lightmaxs, leaf->mins, leaf->maxs) && (pvs == NULL || CHECKPVSBIT(pvs, leaf->clusterindex)))
1462                 {
1463                         outmins[0] = min(outmins[0], leaf->mins[0]);
1464                         outmins[1] = min(outmins[1], leaf->mins[1]);
1465                         outmins[2] = min(outmins[2], leaf->mins[2]);
1466                         outmaxs[0] = max(outmaxs[0], leaf->maxs[0]);
1467                         outmaxs[1] = max(outmaxs[1], leaf->maxs[1]);
1468                         outmaxs[2] = max(outmaxs[2], leaf->maxs[2]);
1469                         if (outclusterpvs)
1470                         {
1471                                 if (!CHECKPVSBIT(outclusterpvs, leaf->clusterindex))
1472                                 {
1473                                         SETPVSBIT(outclusterpvs, leaf->clusterindex);
1474                                         outclusterlist[outnumclusters++] = leaf->clusterindex;
1475                                 }
1476                         }
1477                         if (outsurfacepvs)
1478                         {
1479                                 for (leafsurfaceindex = 0;leafsurfaceindex < leaf->numleafsurfaces;leafsurfaceindex++)
1480                                 {
1481                                         surfaceindex = leaf->firstleafsurface[leafsurfaceindex];
1482                                         if (!CHECKPVSBIT(outsurfacepvs, surfaceindex))
1483                                         {
1484                                                 surface = model->brush.data_surfaces + surfaceindex;
1485                                                 if (BoxesOverlap(lightmins, lightmaxs, surface->mins, surface->maxs) && (surface->texture->flags & SURF_LIGHTMAP) && !surface->texture->skin.fog)
1486                                                 {
1487                                                         for (triangleindex = 0, t = surface->num_firstshadowmeshtriangle, e = model->brush.shadowmesh->element3i + t * 3;triangleindex < surface->mesh.num_triangles;triangleindex++, t++, e += 3)
1488                                                         {
1489                                                                 v[0] = model->brush.shadowmesh->vertex3f + e[0] * 3;
1490                                                                 v[1] = model->brush.shadowmesh->vertex3f + e[1] * 3;
1491                                                                 v[2] = model->brush.shadowmesh->vertex3f + e[2] * 3;
1492                                                                 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])))
1493                                                                 {
1494                                                                         SETPVSBIT(outsurfacepvs, surfaceindex);
1495                                                                         outsurfacelist[outnumsurfaces++] = surfaceindex;
1496                                                                         break;
1497                                                                 }
1498                                                         }
1499                                                 }
1500                                         }
1501                                 }
1502                         }
1503                 }
1504         }
1505
1506         // limit combined leaf box to light boundaries
1507         outmins[0] = max(outmins[0], lightmins[0]);
1508         outmins[1] = max(outmins[1], lightmins[1]);
1509         outmins[2] = max(outmins[2], lightmins[2]);
1510         outmaxs[0] = min(outmaxs[0], lightmaxs[0]);
1511         outmaxs[1] = min(outmaxs[1], lightmaxs[1]);
1512         outmaxs[2] = min(outmaxs[2], lightmaxs[2]);
1513
1514         *outnumclusterspointer = outnumclusters;
1515         *outnumsurfacespointer = outnumsurfaces;
1516 }
1517
1518 void R_Q1BSP_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int numsurfaces, const int *surfacelist)
1519 {
1520         model_t *model = ent->model;
1521         vec3_t lightmins, lightmaxs;
1522         msurface_t *surface;
1523         int surfacelistindex;
1524         if (r_drawcollisionbrushes.integer < 2)
1525         {
1526                 lightmins[0] = relativelightorigin[0] - lightradius;
1527                 lightmins[1] = relativelightorigin[1] - lightradius;
1528                 lightmins[2] = relativelightorigin[2] - lightradius;
1529                 lightmaxs[0] = relativelightorigin[0] + lightradius;
1530                 lightmaxs[1] = relativelightorigin[1] + lightradius;
1531                 lightmaxs[2] = relativelightorigin[2] + lightradius;
1532                 R_Mesh_Matrix(&ent->matrix);
1533                 R_Shadow_PrepareShadowMark(model->brush.shadowmesh->numtriangles);
1534                 for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++)
1535                 {
1536                         surface = model->brush.data_surfaces + surfacelist[surfacelistindex];
1537                         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);
1538                 }
1539                 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);
1540         }
1541 }
1542
1543 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)
1544 {
1545         model_t *model = ent->model;
1546         vec3_t lightmins, lightmaxs, modelorg;
1547         msurface_t *surface;
1548         texture_t *t;
1549         int surfacelistindex;
1550         if (r_drawcollisionbrushes.integer < 2)
1551         {
1552                 lightmins[0] = relativelightorigin[0] - lightradius;
1553                 lightmins[1] = relativelightorigin[1] - lightradius;
1554                 lightmins[2] = relativelightorigin[2] - lightradius;
1555                 lightmaxs[0] = relativelightorigin[0] + lightradius;
1556                 lightmaxs[1] = relativelightorigin[1] + lightradius;
1557                 lightmaxs[2] = relativelightorigin[2] + lightradius;
1558                 R_Mesh_Matrix(&ent->matrix);
1559                 Matrix4x4_Transform(&ent->inversematrix, r_vieworigin, modelorg);
1560                 R_UpdateTextureInfo(ent);
1561                 for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++)
1562                 {
1563                         surface = model->brush.data_surfaces + surfacelist[surfacelistindex];
1564                         if (r_shadow_compilingrtlight)
1565                         {
1566                                 // if compiling an rtlight, capture the mesh
1567                                 t = surface->texture;
1568                                 if (t->flags & SURF_LIGHTMAP && t->skin.fog == NULL)
1569                                         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);
1570                         }
1571                         else if (ent != r_refdef.worldentity || r_worldsurfacevisible[surfacelist[surfacelistindex]])
1572                         {
1573                                 t = surface->texture->currentframe;
1574                                 // FIXME: transparent surfaces need to be lit later
1575                                 if (t->flags & SURF_LIGHTMAP && t->rendertype == SURFRENDER_OPAQUE)
1576                                         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);
1577                         }
1578                 }
1579         }
1580 }
1581
1582 void R_DrawCollisionBrush(colbrushf_t *brush)
1583 {
1584         int i;
1585         rmeshstate_t m;
1586         memset(&m, 0, sizeof(m));
1587         m.pointer_vertex = brush->points->v;
1588         R_Mesh_State(&m);
1589         i = (int)(((size_t)brush) / sizeof(colbrushf_t));
1590         GL_Color((i & 31) * (1.0f / 32.0f), ((i >> 5) & 31) * (1.0f / 32.0f), ((i >> 10) & 31) * (1.0f / 32.0f), 0.2f);
1591         GL_LockArrays(0, brush->numpoints);
1592         R_Mesh_Draw(brush->numpoints, brush->numtriangles, brush->elements);
1593         GL_LockArrays(0, 0);
1594 }
1595
1596 void R_Q3BSP_DrawCollisionSurface(entity_render_t *ent, msurface_t *surface)
1597 {
1598         int i;
1599         rmeshstate_t m;
1600         if (!surface->mesh.num_collisiontriangles)
1601                 return;
1602         memset(&m, 0, sizeof(m));
1603         m.pointer_vertex = surface->mesh.data_collisionvertex3f;
1604         R_Mesh_State(&m);
1605         i = (int)(((size_t)surface) / sizeof(msurface_t));
1606         GL_Color((i & 31) * (1.0f / 32.0f), ((i >> 5) & 31) * (1.0f / 32.0f), ((i >> 10) & 31) * (1.0f / 32.0f), 0.2f);
1607         GL_LockArrays(0, surface->mesh.num_collisionvertices);
1608         R_Mesh_Draw(surface->mesh.num_collisionvertices, surface->mesh.num_collisiontriangles, surface->mesh.data_collisionelement3i);
1609         GL_LockArrays(0, 0);
1610 }
1611
1612 void R_Q3BSP_DrawFace_TransparentCallback(const void *voident, int surfacenumber)
1613 {
1614         const entity_render_t *ent = voident;
1615         msurface_t *surface = ent->model->brush.data_surfaces + surfacenumber;
1616         rmeshstate_t m;
1617         R_Mesh_Matrix(&ent->matrix);
1618         memset(&m, 0, sizeof(m));
1619         if ((ent->effects & EF_ADDITIVE) || (surface->texture->textureflags & Q3TEXTUREFLAG_ADDITIVE))
1620                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1621         else
1622                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1623         GL_DepthMask(false);
1624         GL_DepthTest(!(ent->effects & EF_NODEPTHTEST));
1625         m.tex[0] = R_GetTexture(surface->texture->skin.base);
1626         m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
1627         // LordHavoc: quake3 was not able to do this; lit transparent surfaces
1628         if (gl_combine.integer)
1629         {
1630                 m.texrgbscale[0] = 2;
1631                 if (r_textureunits.integer >= 2)
1632                 {
1633                         m.tex[1] = R_GetTexture(surface->lightmaptexture);
1634                         m.pointer_texcoord[1] = surface->mesh.data_texcoordlightmap2f;
1635                         GL_Color(ent->colormod[0], ent->colormod[1], ent->colormod[2], ent->alpha);
1636                 }
1637                 else
1638                 {
1639                         if (ent->colormod[0] == 1 && ent->colormod[1] == 1 && ent->colormod[2] == 1 && ent->alpha == 1)
1640                                 m.pointer_color = surface->mesh.data_lightmapcolor4f;
1641                         else
1642                         {
1643                                 int i;
1644                                 for (i = 0;i < surface->mesh.num_vertices;i++)
1645                                 {
1646                                         varray_color4f[i*4+0] = surface->mesh.data_lightmapcolor4f[i*4+0] * ent->colormod[0];
1647                                         varray_color4f[i*4+1] = surface->mesh.data_lightmapcolor4f[i*4+1] * ent->colormod[1];
1648                                         varray_color4f[i*4+2] = surface->mesh.data_lightmapcolor4f[i*4+2] * ent->colormod[2];
1649                                         varray_color4f[i*4+3] = surface->mesh.data_lightmapcolor4f[i*4+3] * ent->alpha;
1650                                 }
1651                                 m.pointer_color = varray_color4f;
1652                         }
1653                 }
1654         }
1655         else
1656         {
1657                 int i;
1658                 for (i = 0;i < surface->mesh.num_vertices;i++)
1659                 {
1660                         varray_color4f[i*4+0] = surface->mesh.data_lightmapcolor4f[i*4+0] * ent->colormod[0] * 2.0f;
1661                         varray_color4f[i*4+1] = surface->mesh.data_lightmapcolor4f[i*4+1] * ent->colormod[1] * 2.0f;
1662                         varray_color4f[i*4+2] = surface->mesh.data_lightmapcolor4f[i*4+2] * ent->colormod[2] * 2.0f;
1663                         varray_color4f[i*4+3] = surface->mesh.data_lightmapcolor4f[i*4+3] * ent->alpha;
1664                 }
1665                 m.pointer_color = varray_color4f;
1666         }
1667         if (surface->texture->textureflags & (Q3TEXTUREFLAG_AUTOSPRITE | Q3TEXTUREFLAG_AUTOSPRITE2))
1668         {
1669                 int i, j;
1670                 float center[3], center2[3], forward[3], right[3], up[3], v[4][3];
1671                 matrix4x4_t matrix1, imatrix1;
1672                 R_Mesh_Matrix(&r_identitymatrix);
1673                 // a single autosprite surface can contain multiple sprites...
1674                 for (j = 0;j < surface->mesh.num_vertices - 3;j += 4)
1675                 {
1676                         VectorClear(center);
1677                         for (i = 0;i < 4;i++)
1678                                 VectorAdd(center, surface->mesh.data_vertex3f + (j+i) * 3, center);
1679                         VectorScale(center, 0.25f, center);
1680                         Matrix4x4_Transform(&ent->matrix, center, center2);
1681                         // FIXME: calculate vectors from triangle edges instead of using texture vectors as an easy way out?
1682                         Matrix4x4_FromVectors(&matrix1, surface->mesh.data_normal3f + j*3, surface->mesh.data_svector3f + j*3, surface->mesh.data_tvector3f + j*3, center);
1683                         Matrix4x4_Invert_Simple(&imatrix1, &matrix1);
1684                         for (i = 0;i < 4;i++)
1685                                 Matrix4x4_Transform(&imatrix1, surface->mesh.data_vertex3f + (j+i)*3, v[i]);
1686                         if (surface->texture->textureflags & Q3TEXTUREFLAG_AUTOSPRITE2)
1687                         {
1688                                 forward[0] = r_vieworigin[0] - center2[0];
1689                                 forward[1] = r_vieworigin[1] - center2[1];
1690                                 forward[2] = 0;
1691                                 VectorNormalize(forward);
1692                                 right[0] = forward[1];
1693                                 right[1] = -forward[0];
1694                                 right[2] = 0;
1695                                 up[0] = 0;
1696                                 up[1] = 0;
1697                                 up[2] = 1;
1698                         }
1699                         else
1700                         {
1701                                 VectorCopy(r_viewforward, forward);
1702                                 VectorCopy(r_viewright, right);
1703                                 VectorCopy(r_viewup, up);
1704                         }
1705                         for (i = 0;i < 4;i++)
1706                                 VectorMAMAMAM(1, center2, v[i][0], forward, v[i][1], right, v[i][2], up, varray_vertex3f + (i+j) * 3);
1707                 }
1708                 m.pointer_vertex = varray_vertex3f;
1709         }
1710         else
1711                 m.pointer_vertex = surface->mesh.data_vertex3f;
1712         R_Mesh_State(&m);
1713         if (surface->texture->textureflags & Q3TEXTUREFLAG_TWOSIDED)
1714                 qglDisable(GL_CULL_FACE);
1715         GL_LockArrays(0, surface->mesh.num_vertices);
1716         R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1717         GL_LockArrays(0, 0);
1718         if (surface->texture->textureflags & Q3TEXTUREFLAG_TWOSIDED)
1719                 qglEnable(GL_CULL_FACE);
1720 }
1721
1722 void R_Q3BSP_DrawFaceList(entity_render_t *ent, texture_t *t, int texturenumsurfaces, msurface_t **texturesurfacelist)
1723 {
1724         int i, texturesurfaceindex;
1725         msurface_t *surface;
1726         qboolean dolightmap;
1727         qboolean dobase;
1728         qboolean doambient;
1729         qboolean doglow;
1730         qboolean dofog;
1731         rmeshstate_t m;
1732         if (!texturenumsurfaces)
1733                 return;
1734         c_faces += texturenumsurfaces;
1735         // gl_lightmaps debugging mode skips normal texturing
1736         if (gl_lightmaps.integer)
1737         {
1738                 GL_DepthMask(true);
1739                 GL_DepthTest(true);
1740                 GL_BlendFunc(GL_ONE, GL_ZERO);
1741                 qglDisable(GL_CULL_FACE);
1742                 memset(&m, 0, sizeof(m));
1743                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1744                 {
1745                         surface = texturesurfacelist[texturesurfaceindex];
1746                         m.tex[0] = R_GetTexture(surface->lightmaptexture);
1747                         m.pointer_texcoord[0] = surface->mesh.data_texcoordlightmap2f;
1748                         if (surface->lightmaptexture)
1749                         {
1750                                 GL_Color(1, 1, 1, 1);
1751                                 m.pointer_color = NULL;
1752                         }
1753                         else
1754                                 m.pointer_color = surface->mesh.data_lightmapcolor4f;
1755                         m.pointer_vertex = surface->mesh.data_vertex3f;
1756                         R_Mesh_State(&m);
1757                         GL_LockArrays(0, surface->mesh.num_vertices);
1758                         R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1759                         GL_LockArrays(0, 0);
1760                 }
1761                 qglEnable(GL_CULL_FACE);
1762                 return;
1763         }
1764         // transparent surfaces get sorted for later drawing
1765         if ((t->surfaceparms & Q3SURFACEPARM_TRANS) || ent->alpha < 1 || (ent->effects & EF_ADDITIVE))
1766         {
1767                 vec3_t facecenter, center;
1768                 // drawing sky transparently would be too difficult
1769                 if (t->surfaceparms & Q3SURFACEPARM_SKY)
1770                         return;
1771                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1772                 {
1773                         surface = texturesurfacelist[texturesurfaceindex];
1774                         facecenter[0] = (surface->mins[0] + surface->maxs[0]) * 0.5f;
1775                         facecenter[1] = (surface->mins[1] + surface->maxs[1]) * 0.5f;
1776                         facecenter[2] = (surface->mins[2] + surface->maxs[2]) * 0.5f;
1777                         Matrix4x4_Transform(&ent->matrix, facecenter, center);
1778                         R_MeshQueue_AddTransparent(center, R_Q3BSP_DrawFace_TransparentCallback, ent, surface - ent->model->brush.data_surfaces);
1779                 }
1780                 return;
1781         }
1782         // sky surfaces draw sky if needed and render themselves as a depth mask
1783         if (t->surfaceparms & Q3SURFACEPARM_SKY)
1784         {
1785                 if (skyrendernow)
1786                 {
1787                         skyrendernow = false;
1788                         if (skyrendermasked)
1789                                 R_Sky();
1790                 }
1791                 if (!r_q3bsp_renderskydepth.integer)
1792                         return;
1793
1794                 R_Mesh_Matrix(&ent->matrix);
1795
1796                 GL_Color(fogcolor[0], fogcolor[1], fogcolor[2], 1);
1797                 if (skyrendermasked)
1798                 {
1799                         // depth-only (masking)
1800                         GL_ColorMask(0,0,0,0);
1801                         // just to make sure that braindead drivers don't draw anything
1802                         // despite that colormask...
1803                         GL_BlendFunc(GL_ZERO, GL_ONE);
1804                 }
1805                 else
1806                 {
1807                         // fog sky
1808                         GL_BlendFunc(GL_ONE, GL_ZERO);
1809                 }
1810                 GL_DepthMask(true);
1811                 GL_DepthTest(true);
1812
1813                 memset(&m, 0, sizeof(m));
1814                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1815                 {
1816                         surface = texturesurfacelist[texturesurfaceindex];
1817                         m.pointer_vertex = surface->mesh.data_vertex3f;
1818                         R_Mesh_State(&m);
1819                         GL_LockArrays(0, surface->mesh.num_vertices);
1820                         R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1821                         GL_LockArrays(0, 0);
1822                 }
1823                 GL_ColorMask(r_refdef.colormask[0], r_refdef.colormask[1], r_refdef.colormask[2], 1);
1824                 return;
1825         }
1826         // anything else is a typical wall, lightmap * texture + glow
1827         dolightmap = (ent->flags & RENDER_LIGHT);
1828         dobase = true;
1829         doambient = r_ambient.value > 0;
1830         doglow = t->skin.glow != NULL;
1831         dofog = fogenabled;
1832         if (t->textureflags & Q3TEXTUREFLAG_TWOSIDED)
1833                 qglDisable(GL_CULL_FACE);
1834         if (!dolightmap && dobase)
1835         {
1836                 dolightmap = false;
1837                 dobase = false;
1838                 GL_DepthMask(true);
1839                 GL_DepthTest(true);
1840                 GL_BlendFunc(GL_ONE, GL_ZERO);
1841                 GL_Color(ent->colormod[0], ent->colormod[1], ent->colormod[2], 1);
1842                 if (t->textureflags & Q3TEXTUREFLAG_TWOSIDED)
1843                         qglDisable(GL_CULL_FACE);
1844                 memset(&m, 0, sizeof(m));
1845                 m.tex[0] = R_GetTexture(t->skin.base);
1846                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1847                 {
1848                         surface = texturesurfacelist[texturesurfaceindex];
1849                         m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
1850                         m.pointer_vertex = surface->mesh.data_vertex3f;
1851                         R_Mesh_State(&m);
1852                         GL_LockArrays(0, surface->mesh.num_vertices);
1853                         R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1854                         GL_LockArrays(0, 0);
1855                 }
1856         }
1857         if (r_lightmapintensity <= 0 && dolightmap && dobase)
1858         {
1859                 dolightmap = false;
1860                 dobase = false;
1861                 GL_DepthMask(true);
1862                 GL_DepthTest(true);
1863                 GL_BlendFunc(GL_ONE, GL_ZERO);
1864                 GL_Color(0, 0, 0, 1);
1865                 memset(&m, 0, sizeof(m));
1866                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1867                 {
1868                         surface = texturesurfacelist[texturesurfaceindex];
1869                         m.pointer_vertex = surface->mesh.data_vertex3f;
1870                         R_Mesh_State(&m);
1871                         GL_LockArrays(0, surface->mesh.num_vertices);
1872                         R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1873                         GL_LockArrays(0, 0);
1874                 }
1875         }
1876         if (r_textureunits.integer >= 2 && gl_combine.integer && dolightmap && dobase)
1877         {
1878                 // dualtexture combine
1879                 dolightmap = false;
1880                 dobase = false;
1881                 GL_DepthMask(true);
1882                 GL_DepthTest(true);
1883                 GL_BlendFunc(GL_ONE, GL_ZERO);
1884                 memset(&m, 0, sizeof(m));
1885                 m.tex[0] = R_GetTexture(t->skin.base);
1886                 GL_Color(r_lightmapintensity * ent->colormod[0], r_lightmapintensity * ent->colormod[1], r_lightmapintensity * ent->colormod[2], 1);
1887                 m.pointer_color = NULL;
1888                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1889                 {
1890                         surface = texturesurfacelist[texturesurfaceindex];
1891                         if (!surface->lightmaptexture)
1892                                 continue;
1893                         m.tex[1] = R_GetTexture(surface->lightmaptexture);
1894                         m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
1895                         m.pointer_texcoord[1] = surface->mesh.data_texcoordlightmap2f;
1896                         m.texrgbscale[1] = 2;
1897                         m.pointer_vertex = surface->mesh.data_vertex3f;
1898                         R_Mesh_State(&m);
1899                         GL_LockArrays(0, surface->mesh.num_vertices);
1900                         R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1901                         GL_LockArrays(0, 0);
1902                 }
1903                 if (r_lightmapintensity == 1 && ent->colormod[0] == 1 && ent->colormod[1] == 1 && ent->colormod[2] == 1)
1904                 {
1905                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1906                         {
1907                                 surface = texturesurfacelist[texturesurfaceindex];
1908                                 if (surface->lightmaptexture)
1909                                         continue;
1910                                 m.tex[1] = R_GetTexture(surface->lightmaptexture);
1911                                 m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
1912                                 m.pointer_texcoord[1] = surface->mesh.data_texcoordlightmap2f;
1913                                 m.texrgbscale[1] = 2;
1914                                 m.pointer_color = surface->mesh.data_lightmapcolor4f;
1915                                 m.pointer_vertex = surface->mesh.data_vertex3f;
1916                                 R_Mesh_State(&m);
1917                                 GL_LockArrays(0, surface->mesh.num_vertices);
1918                                 R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1919                                 GL_LockArrays(0, 0);
1920                         }
1921                 }
1922                 else
1923                 {
1924                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1925                         {
1926                                 surface = texturesurfacelist[texturesurfaceindex];
1927                                 if (surface->lightmaptexture)
1928                                         continue;
1929                                 m.tex[1] = R_GetTexture(surface->lightmaptexture);
1930                                 m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
1931                                 m.pointer_texcoord[1] = surface->mesh.data_texcoordlightmap2f;
1932                                 m.texrgbscale[1] = 2;
1933                                 m.pointer_color = varray_color4f;
1934                                 for (i = 0;i < surface->mesh.num_vertices;i++)
1935                                 {
1936                                         varray_color4f[i*4+0] = surface->mesh.data_lightmapcolor4f[i*4+0] * ent->colormod[0] * r_lightmapintensity;
1937                                         varray_color4f[i*4+1] = surface->mesh.data_lightmapcolor4f[i*4+1] * ent->colormod[1] * r_lightmapintensity;
1938                                         varray_color4f[i*4+2] = surface->mesh.data_lightmapcolor4f[i*4+2] * ent->colormod[2] * r_lightmapintensity;
1939                                         varray_color4f[i*4+3] = surface->mesh.data_lightmapcolor4f[i*4+3];
1940                                 }
1941                                 m.pointer_vertex = surface->mesh.data_vertex3f;
1942                                 R_Mesh_State(&m);
1943                                 GL_LockArrays(0, surface->mesh.num_vertices);
1944                                 R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1945                                 GL_LockArrays(0, 0);
1946                         }
1947                 }
1948         }
1949         // single texture
1950         if (dolightmap)
1951         {
1952                 GL_DepthMask(true);
1953                 GL_DepthTest(true);
1954                 GL_BlendFunc(GL_ONE, GL_ZERO);
1955                 memset(&m, 0, sizeof(m));
1956                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1957                 {
1958                         surface = texturesurfacelist[texturesurfaceindex];
1959                         m.tex[0] = R_GetTexture(surface->lightmaptexture);
1960                         m.pointer_texcoord[0] = surface->mesh.data_texcoordlightmap2f;
1961                         if (surface->lightmaptexture)
1962                                 m.pointer_color = NULL;
1963                         else
1964                                 m.pointer_color = surface->mesh.data_lightmapcolor4f;
1965                         m.pointer_vertex = surface->mesh.data_vertex3f;
1966                         R_Mesh_State(&m);
1967                         GL_LockArrays(0, surface->mesh.num_vertices);
1968                         R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1969                         GL_LockArrays(0, 0);
1970                 }
1971         }
1972         if (dobase)
1973         {
1974                 GL_BlendFunc(GL_DST_COLOR, GL_SRC_COLOR);
1975                 GL_DepthMask(false);
1976                 GL_DepthTest(true);
1977                 GL_Color(r_lightmapintensity * ent->colormod[0], r_lightmapintensity * ent->colormod[1], r_lightmapintensity * ent->colormod[2], 1);
1978                 memset(&m, 0, sizeof(m));
1979                 m.tex[0] = R_GetTexture(t->skin.base);
1980                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
1981                 {
1982                         surface = texturesurfacelist[texturesurfaceindex];
1983                         m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
1984                         m.pointer_vertex = surface->mesh.data_vertex3f;
1985                         R_Mesh_State(&m);
1986                         GL_LockArrays(0, surface->mesh.num_vertices);
1987                         R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
1988                         GL_LockArrays(0, 0);
1989                 }
1990         }
1991         if (doambient)
1992         {
1993                 GL_BlendFunc(GL_ONE, GL_ONE);
1994                 GL_DepthMask(false);
1995                 GL_DepthTest(true);
1996                 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);
1997                 memset(&m, 0, sizeof(m));
1998                 m.tex[0] = R_GetTexture(t->skin.base);
1999                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
2000                 {
2001                         surface = texturesurfacelist[texturesurfaceindex];
2002                         m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
2003                         m.pointer_vertex = surface->mesh.data_vertex3f;
2004                         R_Mesh_State(&m);
2005                         GL_LockArrays(0, surface->mesh.num_vertices);
2006                         R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
2007                         GL_LockArrays(0, 0);
2008                 }
2009         }
2010         if (doglow)
2011         {
2012                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
2013                 GL_DepthMask(false);
2014                 GL_DepthTest(true);
2015                 GL_Color(1, 1, 1, 1);
2016                 memset(&m, 0, sizeof(m));
2017                 m.tex[0] = R_GetTexture(t->skin.glow);
2018                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
2019                 {
2020                         surface = texturesurfacelist[texturesurfaceindex];
2021                         m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
2022                         m.pointer_vertex = surface->mesh.data_vertex3f;
2023                         R_Mesh_State(&m);
2024                         GL_LockArrays(0, surface->mesh.num_vertices);
2025                         R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
2026                         GL_LockArrays(0, 0);
2027                 }
2028         }
2029         if (dofog)
2030         {
2031                 float modelorg[3];
2032                 Matrix4x4_Transform(&ent->inversematrix, r_vieworigin, modelorg);
2033                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2034                 GL_DepthMask(false);
2035                 GL_DepthTest(true);
2036                 GL_Color(1, 1, 1, 1);
2037                 memset(&m, 0, sizeof(m));
2038                 m.tex[0] = R_GetTexture(t->skin.fog);
2039                 m.pointer_color = varray_color4f;
2040                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
2041                 {
2042                         surface = texturesurfacelist[texturesurfaceindex];
2043                         if (m.tex[0])
2044                                 m.pointer_texcoord[0] = surface->mesh.data_texcoordtexture2f;
2045                         m.pointer_vertex = surface->mesh.data_vertex3f;
2046                         R_Mesh_State(&m);
2047                         RSurf_FogPassColors_Vertex3f_Color4f(surface->mesh.data_vertex3f, varray_color4f, fogcolor[0], fogcolor[1], fogcolor[2], 1, 1, surface->mesh.num_vertices, modelorg);
2048                         GL_LockArrays(0, surface->mesh.num_vertices);
2049                         R_Mesh_Draw(surface->mesh.num_vertices, surface->mesh.num_triangles, surface->mesh.data_element3i);
2050                         GL_LockArrays(0, 0);
2051                 }
2052         }
2053         if (t->textureflags & Q3TEXTUREFLAG_TWOSIDED)
2054                 qglEnable(GL_CULL_FACE);
2055 }
2056
2057 void R_Q3BSP_DrawFaces(entity_render_t *ent, int skyfaces)
2058 {
2059         int i, j, f, flagsmask, flags;
2060         msurface_t *surface;
2061         model_t *model = ent->model;
2062         texture_t *t;
2063         const int maxfaces = 1024;
2064         int numsurfaces = 0;
2065         msurface_t *surfacelist[1024];
2066         R_Mesh_Matrix(&ent->matrix);
2067         flagsmask = Q3SURFACEFLAG_NODRAW | Q3SURFACEFLAG_SKY;
2068         if (skyfaces)
2069                 flags = Q3SURFACEFLAG_SKY;
2070         else
2071                 flags = 0;
2072         t = NULL;
2073         f = 0;
2074         numsurfaces = 0;
2075         for (i = 0, j = model->firstmodelsurface;i < model->nummodelsurfaces;i++, j++)
2076         {
2077                 if (ent != r_refdef.worldentity || r_worldsurfacevisible[j])
2078                 {
2079                         surface = model->brush.data_surfaces + j;
2080                         if (t != surface->texture)
2081                         {
2082                                 if (numsurfaces)
2083                                 {
2084                                         R_Q3BSP_DrawFaceList(ent, t, numsurfaces, surfacelist);
2085                                         numsurfaces = 0;
2086                                 }
2087                                 t = surface->texture;
2088                                 f = t->surfaceflags & flagsmask;
2089                         }
2090                         if (f == flags)
2091                         {
2092                                 if (!surface->mesh.num_triangles)
2093                                         continue;
2094                                 surfacelist[numsurfaces++] = surface;
2095                                 if (numsurfaces >= maxfaces)
2096                                 {
2097                                         R_Q3BSP_DrawFaceList(ent, t, numsurfaces, surfacelist);
2098                                         numsurfaces = 0;
2099                                 }
2100                         }
2101                 }
2102         }
2103         if (numsurfaces)
2104                 R_Q3BSP_DrawFaceList(ent, t, numsurfaces, surfacelist);
2105 }
2106
2107 void R_Q3BSP_DrawSky(entity_render_t *ent)
2108 {
2109         if (r_drawcollisionbrushes.integer < 2)
2110                 R_Q3BSP_DrawFaces(ent, true);
2111 }
2112
2113 void R_Q3BSP_Draw(entity_render_t *ent)
2114 {
2115         if (r_drawcollisionbrushes.integer < 2)
2116                 R_Q3BSP_DrawFaces(ent, false);
2117         if (r_drawcollisionbrushes.integer >= 1)
2118         {
2119                 int i;
2120                 model_t *model = ent->model;
2121                 msurface_t *surface;
2122                 q3mbrush_t *brush;
2123                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
2124                 GL_DepthMask(false);
2125                 GL_DepthTest(true);
2126                 qglPolygonOffset(r_drawcollisionbrushes_polygonfactor.value, r_drawcollisionbrushes_polygonoffset.value);
2127                 for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
2128                         if (brush->colbrushf && brush->colbrushf->numtriangles)
2129                                 R_DrawCollisionBrush(brush->colbrushf);
2130                 for (i = 0, surface = model->brush.data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
2131                         if (surface->mesh.num_collisiontriangles)
2132                                 R_Q3BSP_DrawCollisionSurface(ent, surface);
2133                 qglPolygonOffset(0, 0);
2134         }
2135 }
2136
2137 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)
2138 {
2139         model_t *model = ent->model;
2140         vec3_t lightmins, lightmaxs;
2141         int t, leafindex, leafsurfaceindex, surfaceindex, triangleindex, outnumclusters = 0, outnumsurfaces = 0;
2142         const int *e;
2143         const float *v[3];
2144         msurface_t *surface;
2145         mleaf_t *leaf;
2146         const qbyte *pvs;
2147         lightmins[0] = relativelightorigin[0] - lightradius;
2148         lightmins[1] = relativelightorigin[1] - lightradius;
2149         lightmins[2] = relativelightorigin[2] - lightradius;
2150         lightmaxs[0] = relativelightorigin[0] + lightradius;
2151         lightmaxs[1] = relativelightorigin[1] + lightradius;
2152         lightmaxs[2] = relativelightorigin[2] + lightradius;
2153         *outnumclusterspointer = 0;
2154         *outnumsurfacespointer = 0;
2155         memset(outclusterpvs, 0, model->brush.num_pvsclusterbytes);
2156         memset(outsurfacepvs, 0, (model->nummodelsurfaces + 7) >> 3);
2157         if (model == NULL)
2158         {
2159                 VectorCopy(lightmins, outmins);
2160                 VectorCopy(lightmaxs, outmaxs);
2161                 return;
2162         }
2163         VectorCopy(relativelightorigin, outmins);
2164         VectorCopy(relativelightorigin, outmaxs);
2165         if (model->brush.GetPVS)
2166                 pvs = model->brush.GetPVS(model, relativelightorigin);
2167         else
2168                 pvs = NULL;
2169         // FIXME: use BSP recursion as lights are often small
2170         for (leafindex = 0, leaf = model->brush.data_leafs;leafindex < model->brush.num_leafs;leafindex++, leaf++)
2171         {
2172                 if (BoxesOverlap(lightmins, lightmaxs, leaf->mins, leaf->maxs) && (pvs == NULL || CHECKPVSBIT(pvs, leaf->clusterindex)))
2173                 {
2174                         outmins[0] = min(outmins[0], leaf->mins[0]);
2175                         outmins[1] = min(outmins[1], leaf->mins[1]);
2176                         outmins[2] = min(outmins[2], leaf->mins[2]);
2177                         outmaxs[0] = max(outmaxs[0], leaf->maxs[0]);
2178                         outmaxs[1] = max(outmaxs[1], leaf->maxs[1]);
2179                         outmaxs[2] = max(outmaxs[2], leaf->maxs[2]);
2180                         if (outclusterpvs)
2181                         {
2182                                 if (!CHECKPVSBIT(outclusterpvs, leaf->clusterindex))
2183                                 {
2184                                         SETPVSBIT(outclusterpvs, leaf->clusterindex);
2185                                         outclusterlist[outnumclusters++] = leaf->clusterindex;
2186                                 }
2187                         }
2188                         if (outsurfacepvs)
2189                         {
2190                                 for (leafsurfaceindex = 0;leafsurfaceindex < leaf->numleafsurfaces;leafsurfaceindex++)
2191                                 {
2192                                         surfaceindex = leaf->firstleafsurface[leafsurfaceindex];
2193                                         surface = model->brush.data_surfaces + surfaceindex;
2194                                         if (!CHECKPVSBIT(outsurfacepvs, surfaceindex))
2195                                         {
2196                                                 if (BoxesOverlap(lightmins, lightmaxs, surface->mins, surface->maxs) && !(surface->texture->surfaceparms & Q3SURFACEPARM_TRANS) && !(surface->texture->surfaceflags & (Q3SURFACEFLAG_SKY | Q3SURFACEFLAG_NODRAW)) && surface->mesh.num_triangles)
2197                                                 {
2198                                                         if (surface->texture->textureflags & Q3TEXTUREFLAG_TWOSIDED)
2199                                                         {
2200                                                                 for (triangleindex = 0, t = surface->num_firstshadowmeshtriangle, e = model->brush.shadowmesh->element3i + t * 3;triangleindex < surface->mesh.num_triangles;triangleindex++, t++, e += 3)
2201                                                                 {
2202                                                                         v[0] = model->brush.shadowmesh->vertex3f + e[0] * 3;
2203                                                                         v[1] = model->brush.shadowmesh->vertex3f + e[1] * 3;
2204                                                                         v[2] = model->brush.shadowmesh->vertex3f + e[2] * 3;
2205                                                                         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])))
2206                                                                         {
2207                                                                                 SETPVSBIT(outsurfacepvs, surfaceindex);
2208                                                                                 outsurfacelist[outnumsurfaces++] = surfaceindex;
2209                                                                                 break;
2210                                                                         }
2211                                                                 }
2212                                                         }
2213                                                         else
2214                                                         {
2215                                                                 for (triangleindex = 0, t = surface->num_firstshadowmeshtriangle, e = model->brush.shadowmesh->element3i + t * 3;triangleindex < surface->mesh.num_triangles;triangleindex++, t++, e += 3)
2216                                                                 {
2217                                                                         v[0] = model->brush.shadowmesh->vertex3f + e[0] * 3;
2218                                                                         v[1] = model->brush.shadowmesh->vertex3f + e[1] * 3;
2219                                                                         v[2] = model->brush.shadowmesh->vertex3f + e[2] * 3;
2220                                                                         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])))
2221                                                                         {
2222                                                                                 SETPVSBIT(outsurfacepvs, surfaceindex);
2223                                                                                 outsurfacelist[outnumsurfaces++] = surfaceindex;
2224                                                                                 break;
2225                                                                         }
2226                                                                 }
2227                                                         }
2228                                                 }
2229                                         }
2230                                 }
2231                         }
2232                 }
2233         }
2234
2235         // limit combined leaf box to light boundaries
2236         outmins[0] = max(outmins[0], lightmins[0]);
2237         outmins[1] = max(outmins[1], lightmins[1]);
2238         outmins[2] = max(outmins[2], lightmins[2]);
2239         outmaxs[0] = min(outmaxs[0], lightmaxs[0]);
2240         outmaxs[1] = min(outmaxs[1], lightmaxs[1]);
2241         outmaxs[2] = min(outmaxs[2], lightmaxs[2]);
2242
2243         *outnumclusterspointer = outnumclusters;
2244         *outnumsurfacespointer = outnumsurfaces;
2245 }
2246
2247 void R_Q3BSP_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int numsurfaces, const int *surfacelist)
2248 {
2249         model_t *model = ent->model;
2250         vec3_t lightmins, lightmaxs;
2251         msurface_t *surface;
2252         int surfacelistindex;
2253         if (r_drawcollisionbrushes.integer < 2)
2254         {
2255                 lightmins[0] = relativelightorigin[0] - lightradius;
2256                 lightmins[1] = relativelightorigin[1] - lightradius;
2257                 lightmins[2] = relativelightorigin[2] - lightradius;
2258                 lightmaxs[0] = relativelightorigin[0] + lightradius;
2259                 lightmaxs[1] = relativelightorigin[1] + lightradius;
2260                 lightmaxs[2] = relativelightorigin[2] + lightradius;
2261                 R_Mesh_Matrix(&ent->matrix);
2262                 R_Shadow_PrepareShadowMark(model->brush.shadowmesh->numtriangles);
2263                 for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++)
2264                 {
2265                         surface = model->brush.data_surfaces + surfacelist[surfacelistindex];
2266                         // FIXME: check some manner of surface->rendermode here?
2267                         if (!(surface->texture->surfaceflags & Q3SURFACEFLAG_NODRAW) && !(surface->texture->surfaceparms & (Q3SURFACEPARM_SKY | Q3SURFACEPARM_TRANS)) && !(surface->texture->textureflags & Q3TEXTUREFLAG_TWOSIDED))
2268                                 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);
2269                 }
2270                 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);
2271         }
2272 }
2273
2274 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)
2275 {
2276         model_t *model = ent->model;
2277         vec3_t lightmins, lightmaxs, modelorg;
2278         msurface_t *surface;
2279         int surfacelistindex;
2280         if (r_drawcollisionbrushes.integer < 2)
2281         {
2282                 lightmins[0] = relativelightorigin[0] - lightradius;
2283                 lightmins[1] = relativelightorigin[1] - lightradius;
2284                 lightmins[2] = relativelightorigin[2] - lightradius;
2285                 lightmaxs[0] = relativelightorigin[0] + lightradius;
2286                 lightmaxs[1] = relativelightorigin[1] + lightradius;
2287                 lightmaxs[2] = relativelightorigin[2] + lightradius;
2288                 R_Mesh_Matrix(&ent->matrix);
2289                 Matrix4x4_Transform(&ent->inversematrix, r_vieworigin, modelorg);
2290                 for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++)
2291                 {
2292                         surface = model->brush.data_surfaces + surfacelist[surfacelistindex];
2293                         if (r_shadow_compilingrtlight)
2294                         {
2295                                 // if compiling an rtlight, capture the mesh
2296                                 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);
2297                         }
2298                         else if ((ent != r_refdef.worldentity || r_worldsurfacevisible[surfacelist[surfacelistindex]]) && !(surface->texture->surfaceflags & Q3SURFACEFLAG_NODRAW) && surface->mesh.num_triangles)
2299                         {
2300                                 if (surface->texture->textureflags & Q3TEXTUREFLAG_TWOSIDED)
2301                                         qglDisable(GL_CULL_FACE);
2302                                 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);
2303                                 if (surface->texture->textureflags & Q3TEXTUREFLAG_TWOSIDED)
2304                                         qglEnable(GL_CULL_FACE);
2305                         }
2306                 }
2307         }
2308 }
2309
2310 #if 0
2311 static void gl_surf_start(void)
2312 {
2313 }
2314
2315 static void gl_surf_shutdown(void)
2316 {
2317 }
2318
2319 static void gl_surf_newmap(void)
2320 {
2321 }
2322 #endif
2323
2324 void GL_Surf_Init(void)
2325 {
2326         int i;
2327         dlightdivtable[0] = 4194304;
2328         for (i = 1;i < 32768;i++)
2329                 dlightdivtable[i] = 4194304 / (i << 7);
2330
2331         Cvar_RegisterVariable(&r_ambient);
2332         Cvar_RegisterVariable(&r_drawportals);
2333         Cvar_RegisterVariable(&r_testvis);
2334         Cvar_RegisterVariable(&r_floatbuildlightmap);
2335         Cvar_RegisterVariable(&r_detailtextures);
2336         Cvar_RegisterVariable(&r_surfaceworldnode);
2337         Cvar_RegisterVariable(&r_drawcollisionbrushes_polygonfactor);
2338         Cvar_RegisterVariable(&r_drawcollisionbrushes_polygonoffset);
2339         Cvar_RegisterVariable(&r_q3bsp_renderskydepth);
2340         Cvar_RegisterVariable(&gl_lightmaps);
2341
2342         //R_RegisterModule("GL_Surf", gl_surf_start, gl_surf_shutdown, gl_surf_newmap);
2343 }
2344