2 Copyright (C) 1996-1997 Id Software, Inc.
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.
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.
13 See the GNU General Public License for more details.
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.
20 // r_surf.c: surface-related refresh code
26 #define MAX_LIGHTMAP_SIZE 256
28 cvar_t r_ambient = {0, "r_ambient", "0", "brightens map, value is 0-128"};
29 cvar_t r_lockpvs = {0, "r_lockpvs", "0", "disables pvs switching, allows you to walk around and inspect what is visible from a given location in the map (anything not visible from your current location will not be drawn)"};
30 cvar_t r_lockvisibility = {0, "r_lockvisibility", "0", "disables visibility updates, allows you to walk around and inspect what is visible from a given viewpoint in the map (anything offscreen at the moment this is enabled will not be drawn)"};
31 cvar_t r_useportalculling = {0, "r_useportalculling", "1", "use advanced portal culling visibility method to improve performance over just Potentially Visible Set, provides an even more significant speed improvement in unvised maps"};
32 cvar_t r_q3bsp_renderskydepth = {0, "r_q3bsp_renderskydepth", "0", "draws sky depth masking in q3 maps (as in q1 maps), this means for example that sky polygons can hide other things"};
38 Combine and scale multiple lightmaps into the 8.8 format in blocklights
41 void R_BuildLightMap (const entity_render_t *ent, msurface_t *surface)
43 int smax, tmax, i, size, size3, maps, l;
45 unsigned char *lightmap, *out, *stain;
46 model_t *model = ent->model;
48 unsigned char *templight;
50 smax = (surface->lightmapinfo->extents[0]>>4)+1;
51 tmax = (surface->lightmapinfo->extents[1]>>4)+1;
55 r_refdef.stats.lightmapupdatepixels += size;
56 r_refdef.stats.lightmapupdates++;
58 if (cl.buildlightmapmemorysize < size*sizeof(int[3]))
60 cl.buildlightmapmemorysize = size*sizeof(int[3]);
61 if (cl.buildlightmapmemory)
62 Mem_Free(cl.buildlightmapmemory);
63 cl.buildlightmapmemory = Mem_Alloc(cls.levelmempool, cl.buildlightmapmemorysize);
66 // these both point at the same buffer, templight is only used for final
67 // processing and can replace the intblocklights data as it goes
68 intblocklights = (int *)cl.buildlightmapmemory;
69 templight = (unsigned char *)cl.buildlightmapmemory;
71 // update cached lighting info
72 surface->cached_dlight = 0;
74 lightmap = surface->lightmapinfo->samples;
76 // set to full bright if no light data
78 if (!model->brushq1.lightdata)
80 for (i = 0;i < size3;i++)
86 memset(bl, 0, size3*sizeof(*bl));
88 // add all the lightmaps
90 for (maps = 0;maps < MAXLIGHTMAPS && surface->lightmapinfo->styles[maps] != 255;maps++, lightmap += size3)
91 for (scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[maps]], i = 0;i < size3;i++)
92 bl[i] += lightmap[i] * scale;
95 stain = surface->lightmapinfo->stainsamples;
98 // the >> 16 shift adjusts down 8 bits to account for the stainmap
99 // scaling, and remaps the 0-65536 (2x overbright) to 0-256, it will
100 // be doubled during rendering to achieve 2x overbright
101 // (0 = 0.0, 128 = 1.0, 256 = 2.0)
102 for (i = 0;i < size;i++, bl += 3, stain += 3, out += 4)
104 l = (bl[0] * stain[0]) >> 16;out[2] = min(l, 255);
105 l = (bl[1] * stain[1]) >> 16;out[1] = min(l, 255);
106 l = (bl[2] * stain[2]) >> 16;out[0] = min(l, 255);
110 R_UpdateTexture(surface->lightmaptexture, templight, surface->lightmapinfo->lightmaporigin[0], surface->lightmapinfo->lightmaporigin[1], smax, tmax);
112 // update the surface's deluxemap if it has one
113 if (surface->deluxemaptexture != r_texture_blanknormalmap)
116 unsigned char *normalmap = surface->lightmapinfo->nmapsamples;
117 lightmap = surface->lightmapinfo->samples;
118 // clear to no normalmap
120 memset(bl, 0, size3*sizeof(*bl));
121 // add all the normalmaps
122 if (lightmap && normalmap)
124 for (maps = 0;maps < MAXLIGHTMAPS && surface->lightmapinfo->styles[maps] != 255;maps++, lightmap += size3, normalmap += size3)
126 for (scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[maps]], i = 0;i < size;i++)
128 // add the normalmap with weighting proportional to the style's lightmap intensity
129 l = (int)(VectorLength(lightmap + i*3) * scale);
130 bl[i*3+0] += ((int)normalmap[i*3+0] - 128) * l;
131 bl[i*3+1] += ((int)normalmap[i*3+1] - 128) * l;
132 bl[i*3+2] += ((int)normalmap[i*3+2] - 128) * l;
138 // we simply renormalize the weighted normals to get a valid deluxemap
139 for (i = 0;i < size;i++, bl += 3, out += 4)
143 l = (int)(n[0] * 128 + 128);out[2] = bound(0, l, 255);
144 l = (int)(n[1] * 128 + 128);out[1] = bound(0, l, 255);
145 l = (int)(n[2] * 128 + 128);out[0] = bound(0, l, 255);
148 R_UpdateTexture(surface->deluxemaptexture, templight, surface->lightmapinfo->lightmaporigin[0], surface->lightmapinfo->lightmaporigin[1], smax, tmax);
152 void R_StainNode (mnode_t *node, model_t *model, const vec3_t origin, float radius, const float fcolor[8])
154 float ndist, a, ratio, maxdist, maxdist2, maxdist3, invradius, sdtable[256], td, dist2;
155 msurface_t *surface, *endsurface;
156 int i, s, t, smax, tmax, smax3, impacts, impactt, stained;
160 maxdist = radius * radius;
161 invradius = 1.0f / radius;
166 ndist = PlaneDiff(origin, node->plane);
169 node = node->children[0];
174 node = node->children[1];
178 dist2 = ndist * ndist;
179 maxdist3 = maxdist - dist2;
181 if (node->plane->type < 3)
183 VectorCopy(origin, impact);
184 impact[node->plane->type] -= ndist;
188 impact[0] = origin[0] - node->plane->normal[0] * ndist;
189 impact[1] = origin[1] - node->plane->normal[1] * ndist;
190 impact[2] = origin[2] - node->plane->normal[2] * ndist;
193 for (surface = model->data_surfaces + node->firstsurface, endsurface = surface + node->numsurfaces;surface < endsurface;surface++)
195 if (surface->lightmapinfo->stainsamples)
197 smax = (surface->lightmapinfo->extents[0] >> 4) + 1;
198 tmax = (surface->lightmapinfo->extents[1] >> 4) + 1;
200 impacts = (int)(DotProduct (impact, surface->lightmapinfo->texinfo->vecs[0]) + surface->lightmapinfo->texinfo->vecs[0][3] - surface->lightmapinfo->texturemins[0]);
201 impactt = (int)(DotProduct (impact, surface->lightmapinfo->texinfo->vecs[1]) + surface->lightmapinfo->texinfo->vecs[1][3] - surface->lightmapinfo->texturemins[1]);
203 s = bound(0, impacts, smax * 16) - impacts;
204 t = bound(0, impactt, tmax * 16) - impactt;
205 i = (int)(s * s + t * t + dist2);
209 // reduce calculations
210 for (s = 0, i = impacts; s < smax; s++, i -= 16)
211 sdtable[s] = i * i + dist2;
213 bl = surface->lightmapinfo->stainsamples;
218 for (t = 0;t < tmax;t++, i -= 16)
221 // make sure some part of it is visible on this line
224 maxdist2 = maxdist - td;
225 for (s = 0;s < smax;s++)
227 if (sdtable[s] < maxdist2)
229 ratio = lhrandom(0.0f, 1.0f);
230 a = (fcolor[3] + ratio * fcolor[7]) * (1.0f - sqrt(sdtable[s] + td) * invradius);
231 if (a >= (1.0f / 64.0f))
235 bl[0] = (unsigned char) ((float) bl[0] + a * ((fcolor[0] + ratio * fcolor[4]) - (float) bl[0]));
236 bl[1] = (unsigned char) ((float) bl[1] + a * ((fcolor[1] + ratio * fcolor[5]) - (float) bl[1]));
237 bl[2] = (unsigned char) ((float) bl[2] + a * ((fcolor[2] + ratio * fcolor[6]) - (float) bl[2]));
247 // force lightmap upload
249 surface->cached_dlight = true;
253 if (node->children[0]->plane)
255 if (node->children[1]->plane)
257 R_StainNode(node->children[0], model, origin, radius, fcolor);
258 node = node->children[1];
263 node = node->children[0];
267 else if (node->children[1]->plane)
269 node = node->children[1];
274 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)
278 entity_render_t *ent;
281 if (r_refdef.scene.worldmodel == NULL || !r_refdef.scene.worldmodel->brush.data_nodes || !r_refdef.scene.worldmodel->brushq1.lightdata)
286 fcolor[3] = ca1 * (1.0f / 64.0f);
287 fcolor[4] = cr2 - cr1;
288 fcolor[5] = cg2 - cg1;
289 fcolor[6] = cb2 - cb1;
290 fcolor[7] = (ca2 - ca1) * (1.0f / 64.0f);
292 R_StainNode(r_refdef.scene.worldmodel->brush.data_nodes + r_refdef.scene.worldmodel->brushq1.hulls[0].firstclipnode, r_refdef.scene.worldmodel, origin, radius, fcolor);
294 // look for embedded bmodels
295 for (n = 0;n < cl.num_brushmodel_entities;n++)
297 ent = &cl.entities[cl.brushmodel_entities[n]].render;
299 if (model && model->name[0] == '*')
301 if (model->brush.data_nodes)
303 Matrix4x4_Transform(&ent->inversematrix, origin, org);
304 R_StainNode(model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode, model, org, radius, fcolor);
312 =============================================================
316 =============================================================
319 static void R_DrawPortal_Callback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
321 // due to the hacky nature of this function's parameters, this is never
322 // called with a batch, so numsurfaces is always 1, and the surfacelist
323 // contains only a leaf number for coloring purposes
324 const mportal_t *portal = (mportal_t *)ent;
327 float vertex3f[POLYGONELEMENTS_MAXPOINTS*3];
329 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
332 GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
334 GL_CullFace(GL_NONE);
335 R_Mesh_Matrix(&identitymatrix);
337 numpoints = min(portal->numpoints, POLYGONELEMENTS_MAXPOINTS);
339 R_Mesh_VertexPointer(vertex3f, 0, 0);
340 R_Mesh_ColorPointer(NULL, 0, 0);
341 R_Mesh_ResetTextureState();
344 GL_Color(((i & 0x0007) >> 0) * (1.0f / 7.0f) * r_refdef.view.colorscale,
345 ((i & 0x0038) >> 3) * (1.0f / 7.0f) * r_refdef.view.colorscale,
346 ((i & 0x01C0) >> 6) * (1.0f / 7.0f) * r_refdef.view.colorscale,
348 for (i = 0, v = vertex3f;i < numpoints;i++, v += 3)
349 VectorCopy(portal->points[i].position, v);
350 R_Mesh_Draw(0, numpoints, numpoints - 2, polygonelements, 0, 0);
353 // LordHavoc: this is just a nice debugging tool, very slow
354 void R_DrawPortals(void)
359 model_t *model = r_refdef.scene.worldmodel;
362 for (leafnum = 0;leafnum < r_refdef.scene.worldmodel->brush.num_leafs;leafnum++)
364 if (r_refdef.viewcache.world_leafvisible[leafnum])
366 //for (portalnum = 0, portal = model->brush.data_portals;portalnum < model->brush.num_portals;portalnum++, portal++)
367 for (portal = r_refdef.scene.worldmodel->brush.data_leafs[leafnum].portals;portal;portal = portal->next)
369 if (portal->numpoints <= POLYGONELEMENTS_MAXPOINTS)
370 if (!R_CullBox(portal->mins, portal->maxs))
373 for (i = 0;i < portal->numpoints;i++)
374 VectorAdd(center, portal->points[i].position, center);
375 f = ixtable[portal->numpoints];
376 VectorScale(center, f, center);
377 R_MeshQueue_AddTransparent(center, R_DrawPortal_Callback, (entity_render_t *)portal, leafnum, rsurface.rtlight);
384 void R_View_WorldVisibility(qboolean forcenovis)
389 model_t *model = r_refdef.scene.worldmodel;
394 if (r_refdef.view.usecustompvs)
396 // clear the visible surface and leaf flags arrays
397 memset(r_refdef.viewcache.world_surfacevisible, 0, model->num_surfaces);
398 memset(r_refdef.viewcache.world_leafvisible, 0, model->brush.num_leafs);
399 r_refdef.viewcache.world_novis = false;
401 // simply cull each marked leaf to the frustum (view pyramid)
402 for (j = 0, leaf = model->brush.data_leafs;j < model->brush.num_leafs;j++, leaf++)
404 // if leaf is in current pvs and on the screen, mark its surfaces
405 if (CHECKPVSBIT(r_refdef.viewcache.world_pvsbits, leaf->clusterindex) && !R_CullBox(leaf->mins, leaf->maxs))
407 r_refdef.stats.world_leafs++;
408 r_refdef.viewcache.world_leafvisible[j] = true;
409 if (leaf->numleafsurfaces)
410 for (i = 0, mark = leaf->firstleafsurface;i < leaf->numleafsurfaces;i++, mark++)
411 r_refdef.viewcache.world_surfacevisible[*mark] = true;
417 // if possible find the leaf the view origin is in
418 viewleaf = model->brush.PointInLeaf ? model->brush.PointInLeaf(model, r_refdef.view.origin) : NULL;
419 // if possible fetch the visible cluster bits
420 if (!r_lockpvs.integer && model->brush.FatPVS)
421 model->brush.FatPVS(model, r_refdef.view.origin, 2, r_refdef.viewcache.world_pvsbits, sizeof(r_refdef.viewcache.world_pvsbits), false);
423 if (!r_lockvisibility.integer)
425 // clear the visible surface and leaf flags arrays
426 memset(r_refdef.viewcache.world_surfacevisible, 0, model->num_surfaces);
427 memset(r_refdef.viewcache.world_leafvisible, 0, model->brush.num_leafs);
429 r_refdef.viewcache.world_novis = false;
431 // if floating around in the void (no pvs data available, and no
432 // portals available), simply use all on-screen leafs.
433 if (!viewleaf || viewleaf->clusterindex < 0 || forcenovis)
435 // no visibility method: (used when floating around in the void)
436 // simply cull each leaf to the frustum (view pyramid)
437 // similar to quake's RecursiveWorldNode but without cache misses
438 r_refdef.viewcache.world_novis = true;
439 for (j = 0, leaf = model->brush.data_leafs;j < model->brush.num_leafs;j++, leaf++)
441 // if leaf is in current pvs and on the screen, mark its surfaces
442 if (!R_CullBox(leaf->mins, leaf->maxs))
444 r_refdef.stats.world_leafs++;
445 r_refdef.viewcache.world_leafvisible[j] = true;
446 if (leaf->numleafsurfaces)
447 for (i = 0, mark = leaf->firstleafsurface;i < leaf->numleafsurfaces;i++, mark++)
448 r_refdef.viewcache.world_surfacevisible[*mark] = true;
452 // if the user prefers to disable portal culling (testing?), simply
453 // use all on-screen leafs that are in the pvs.
454 else if (!r_useportalculling.integer)
457 // simply check if each leaf is in the Potentially Visible Set,
458 // and cull to frustum (view pyramid)
459 // similar to quake's RecursiveWorldNode but without cache misses
460 for (j = 0, leaf = model->brush.data_leafs;j < model->brush.num_leafs;j++, leaf++)
462 // if leaf is in current pvs and on the screen, mark its surfaces
463 if (CHECKPVSBIT(r_refdef.viewcache.world_pvsbits, leaf->clusterindex) && !R_CullBox(leaf->mins, leaf->maxs))
465 r_refdef.stats.world_leafs++;
466 r_refdef.viewcache.world_leafvisible[j] = true;
467 if (leaf->numleafsurfaces)
468 for (i = 0, mark = leaf->firstleafsurface;i < leaf->numleafsurfaces;i++, mark++)
469 r_refdef.viewcache.world_surfacevisible[*mark] = true;
473 // otherwise use a recursive portal flow, culling each portal to
474 // frustum and checking if the leaf the portal leads to is in the pvs
479 mleaf_t *leafstack[8192];
480 // simple-frustum portal method:
481 // follows portals leading outward from viewleaf, does not venture
482 // offscreen or into leafs that are not visible, faster than
483 // Quake's RecursiveWorldNode and vastly better in unvised maps,
484 // often culls some surfaces that pvs alone would miss
485 // (such as a room in pvs that is hidden behind a wall, but the
486 // passage leading to the room is off-screen)
487 leafstack[0] = viewleaf;
491 leaf = leafstack[--leafstackpos];
492 if (r_refdef.viewcache.world_leafvisible[leaf - model->brush.data_leafs])
494 r_refdef.stats.world_leafs++;
495 r_refdef.viewcache.world_leafvisible[leaf - model->brush.data_leafs] = true;
496 // mark any surfaces bounding this leaf
497 if (leaf->numleafsurfaces)
498 for (i = 0, mark = leaf->firstleafsurface;i < leaf->numleafsurfaces;i++, mark++)
499 r_refdef.viewcache.world_surfacevisible[*mark] = true;
500 // follow portals into other leafs
502 // if viewer is behind portal (portal faces outward into the scene)
503 // and the portal polygon's bounding box is on the screen
504 // and the leaf has not been visited yet
505 // and the leaf is visible in the pvs
506 // (the first two checks won't cause as many cache misses as the leaf checks)
507 for (p = leaf->portals;p;p = p->next)
509 r_refdef.stats.world_portals++;
510 if (DotProduct(r_refdef.view.origin, p->plane.normal) < (p->plane.dist + 1)
511 && !r_refdef.viewcache.world_leafvisible[p->past - model->brush.data_leafs]
512 && CHECKPVSBIT(r_refdef.viewcache.world_pvsbits, p->past->clusterindex)
513 && !R_CullBox(p->mins, p->maxs)
514 && leafstackpos < (int)(sizeof(leafstack) / sizeof(leafstack[0])))
515 leafstack[leafstackpos++] = p->past;
522 void R_Q1BSP_DrawSky(entity_render_t *ent)
524 if (ent->model == NULL)
526 if (ent == r_refdef.scene.worldentity)
527 R_DrawWorldSurfaces(true, true, false, false, false);
529 R_DrawModelSurfaces(ent, true, true, false, false, false);
532 void R_Q1BSP_DrawAddWaterPlanes(entity_render_t *ent)
534 model_t *model = ent->model;
537 if (ent == r_refdef.scene.worldentity)
538 R_DrawWorldSurfaces(false, false, false, true, false);
540 R_DrawModelSurfaces(ent, false, false, false, true, false);
543 void R_Q1BSP_Draw(entity_render_t *ent)
545 model_t *model = ent->model;
548 if (ent == r_refdef.scene.worldentity)
549 R_DrawWorldSurfaces(false, true, false, false, false);
551 R_DrawModelSurfaces(ent, false, true, false, false, false);
554 void R_Q1BSP_DrawDepth(entity_render_t *ent)
556 model_t *model = ent->model;
559 if (ent == r_refdef.scene.worldentity)
560 R_DrawWorldSurfaces(false, false, true, false, false);
562 R_DrawModelSurfaces(ent, false, false, true, false, false);
565 void R_Q1BSP_DrawDebug(entity_render_t *ent)
567 if (ent->model == NULL)
569 if (ent == r_refdef.scene.worldentity)
570 R_DrawWorldSurfaces(false, false, false, false, true);
572 R_DrawModelSurfaces(ent, false, false, false, false, true);
575 typedef struct r_q1bsp_getlightinfo_s
578 vec3_t relativelightorigin;
581 unsigned char *outleafpvs;
584 unsigned char *outsurfacepvs;
585 unsigned char *tempsurfacepvs;
586 unsigned char *outshadowtrispvs;
587 unsigned char *outlighttrispvs;
593 const unsigned char *pvs;
594 qboolean svbsp_active;
595 qboolean svbsp_insertoccluder;
597 r_q1bsp_getlightinfo_t;
599 void R_Q1BSP_RecursiveGetLightInfo(r_q1bsp_getlightinfo_t *info, mnode_t *node)
605 mplane_t *plane = node->plane;
606 //if (!BoxesOverlap(info->lightmins, info->lightmaxs, node->mins, node->maxs))
610 //if (!r_shadow_compilingrtlight && R_CullBoxCustomPlanes(node->mins, node->maxs, rsurface.rtlight_numfrustumplanes, rsurface.rtlight_frustumplanes))
614 if (info->lightmins[plane->type] > plane->dist)
615 node = node->children[0];
616 else if (info->lightmaxs[plane->type] < plane->dist)
617 node = node->children[1];
618 else if (info->relativelightorigin[plane->type] >= plane->dist)
620 R_Q1BSP_RecursiveGetLightInfo(info, node->children[0]);
621 node = node->children[1];
625 R_Q1BSP_RecursiveGetLightInfo(info, node->children[1]);
626 node = node->children[0];
631 sides = BoxOnPlaneSide(info->lightmins, info->lightmaxs, plane);
634 // recurse front side first because the svbsp building prefers it
635 if (PlaneDist(info->relativelightorigin, plane) >= 0)
637 R_Q1BSP_RecursiveGetLightInfo(info, node->children[0]);
638 node = node->children[1];
642 R_Q1BSP_RecursiveGetLightInfo(info, node->children[1]);
643 node = node->children[0];
647 return; // ERROR: NAN bounding box!
649 node = node->children[sides - 1];
652 if (!r_shadow_compilingrtlight && R_CullBoxCustomPlanes(node->mins, node->maxs, rsurface.rtlight_numfrustumplanes, rsurface.rtlight_frustumplanes))
654 leaf = (mleaf_t *)node;
655 if (info->svbsp_active)
659 double points[128][3];
660 for (portal = leaf->portals;portal;portal = portal->next)
662 for (i = 0;i < portal->numpoints;i++)
663 VectorCopy(portal->points[i].position, points[i]);
664 if (SVBSP_AddPolygon(&r_svbsp, portal->numpoints, points[0], false, NULL, NULL, 0) & 2)
668 return; // no portals of this leaf visible
672 if (r_shadow_frontsidecasting.integer && info->pvs != NULL && !CHECKPVSBIT(info->pvs, leaf->clusterindex))
675 // inserting occluders does not alter the leaf info
676 if (!info->svbsp_insertoccluder)
678 info->outmins[0] = min(info->outmins[0], leaf->mins[0]);
679 info->outmins[1] = min(info->outmins[1], leaf->mins[1]);
680 info->outmins[2] = min(info->outmins[2], leaf->mins[2]);
681 info->outmaxs[0] = max(info->outmaxs[0], leaf->maxs[0]);
682 info->outmaxs[1] = max(info->outmaxs[1], leaf->maxs[1]);
683 info->outmaxs[2] = max(info->outmaxs[2], leaf->maxs[2]);
684 if (info->outleafpvs)
686 int leafindex = leaf - info->model->brush.data_leafs;
687 if (!CHECKPVSBIT(info->outleafpvs, leafindex))
689 SETPVSBIT(info->outleafpvs, leafindex);
690 info->outleaflist[info->outnumleafs++] = leafindex;
694 if (info->outsurfacepvs)
696 int leafsurfaceindex;
698 int triangleindex, t;
703 for (leafsurfaceindex = 0;leafsurfaceindex < leaf->numleafsurfaces;leafsurfaceindex++)
705 surfaceindex = leaf->firstleafsurface[leafsurfaceindex];
706 if (!CHECKPVSBIT(info->outsurfacepvs, surfaceindex))
708 surface = info->model->data_surfaces + surfaceindex;
709 if (BoxesOverlap(info->lightmins, info->lightmaxs, surface->mins, surface->maxs)
710 && (!info->svbsp_insertoccluder || !(surface->texture->currentframe->currentmaterialflags & MATERIALFLAG_NOSHADOW)))
712 qboolean addedtris = false;
713 qboolean insidebox = BoxInsideBox(surface->mins, surface->maxs, info->lightmins, info->lightmaxs);
714 for (triangleindex = 0, t = surface->num_firstshadowmeshtriangle, e = info->model->brush.shadowmesh->element3i + t * 3;triangleindex < surface->num_triangles;triangleindex++, t++, e += 3)
716 v[0] = info->model->brush.shadowmesh->vertex3f + e[0] * 3;
717 v[1] = info->model->brush.shadowmesh->vertex3f + e[1] * 3;
718 v[2] = info->model->brush.shadowmesh->vertex3f + e[2] * 3;
719 if (insidebox || TriangleOverlapsBox(v[0], v[1], v[2], info->lightmins, info->lightmaxs))
721 if (info->svbsp_insertoccluder)
723 if (!(surface->texture->currentframe->currentmaterialflags & MATERIALFLAG_NOCULLFACE) && r_shadow_frontsidecasting.integer != PointInfrontOfTriangle(info->relativelightorigin, v[0], v[1], v[2]))
725 if (surface->texture->currentframe->currentmaterialflags & MATERIALFLAG_NOSHADOW)
727 VectorCopy(v[0], v2[0]);
728 VectorCopy(v[1], v2[1]);
729 VectorCopy(v[2], v2[2]);
730 if (!(SVBSP_AddPolygon(&r_svbsp, 3, v2[0], true, NULL, NULL, 0) & 2))
736 if (info->svbsp_active)
738 VectorCopy(v[0], v2[0]);
739 VectorCopy(v[1], v2[1]);
740 VectorCopy(v[2], v2[2]);
741 if (!(SVBSP_AddPolygon(&r_svbsp, 3, v2[0], false, NULL, NULL, 0) & 2))
744 if (surface->texture->currentframe->currentmaterialflags & MATERIALFLAG_NOCULLFACE)
746 // if the material is double sided we
747 // can't cull by direction
748 SETPVSBIT(info->outlighttrispvs, t);
750 if (!(surface->texture->currentframe->currentmaterialflags & MATERIALFLAG_NOSHADOW))
751 SETPVSBIT(info->outshadowtrispvs, t);
753 else if (r_shadow_frontsidecasting.integer)
755 // front side casting occludes backfaces,
756 // so they are completely useless as both
757 // casters and lit polygons
758 if (!PointInfrontOfTriangle(info->relativelightorigin, v[0], v[1], v[2]))
760 SETPVSBIT(info->outlighttrispvs, t);
762 if (!(surface->texture->currentframe->currentmaterialflags & MATERIALFLAG_NOSHADOW))
763 SETPVSBIT(info->outshadowtrispvs, t);
767 // back side casting does not occlude
768 // anything so we can't cull lit polygons
769 SETPVSBIT(info->outlighttrispvs, t);
771 if (!PointInfrontOfTriangle(info->relativelightorigin, v[0], v[1], v[2]) && !(surface->texture->currentframe->currentmaterialflags & MATERIALFLAG_NOSHADOW))
772 SETPVSBIT(info->outshadowtrispvs, t);
779 SETPVSBIT(info->outsurfacepvs, surfaceindex);
780 info->outsurfacelist[info->outnumsurfaces++] = surfaceindex;
788 void R_Q1BSP_CallRecursiveGetLightInfo(r_q1bsp_getlightinfo_t *info, qboolean use_svbsp)
793 VectorCopy(info->relativelightorigin, origin);
796 r_svbsp.maxnodes = max(r_svbsp.maxnodes, 1<<18);
797 r_svbsp.nodes = Mem_Alloc(r_main_mempool, r_svbsp.maxnodes * sizeof(svbsp_node_t));
799 info->svbsp_active = true;
800 info->svbsp_insertoccluder = true;
803 SVBSP_Init(&r_svbsp, origin, r_svbsp.maxnodes, r_svbsp.nodes);
804 R_Q1BSP_RecursiveGetLightInfo(info, info->model->brush.data_nodes);
805 // if that failed, retry with more nodes
806 if (r_svbsp.ranoutofnodes)
808 // an upper limit is imposed
809 if (r_svbsp.maxnodes >= 2<<22)
811 Mem_Free(r_svbsp.nodes);
812 r_svbsp.maxnodes *= 2;
813 r_svbsp.nodes = Mem_Alloc(tempmempool, r_svbsp.maxnodes * sizeof(svbsp_node_t));
818 // now clear the surfacepvs array because we need to redo it
819 memset(info->outsurfacepvs, 0, (info->model->nummodelsurfaces + 7) >> 3);
820 info->outnumsurfaces = 0;
823 info->svbsp_active = false;
825 // we HAVE to mark the leaf the light is in as lit, because portals are
826 // irrelevant to a leaf that the light source is inside of
827 // (and they are all facing away, too)
829 mnode_t *node = info->model->brush.data_nodes;
832 node = node->children[(node->plane->type < 3 ? info->relativelightorigin[node->plane->type] : DotProduct(info->relativelightorigin,node->plane->normal)) < node->plane->dist];
833 leaf = (mleaf_t *)node;
834 info->outmins[0] = min(info->outmins[0], leaf->mins[0]);
835 info->outmins[1] = min(info->outmins[1], leaf->mins[1]);
836 info->outmins[2] = min(info->outmins[2], leaf->mins[2]);
837 info->outmaxs[0] = max(info->outmaxs[0], leaf->maxs[0]);
838 info->outmaxs[1] = max(info->outmaxs[1], leaf->maxs[1]);
839 info->outmaxs[2] = max(info->outmaxs[2], leaf->maxs[2]);
840 if (info->outleafpvs)
842 int leafindex = leaf - info->model->brush.data_leafs;
843 if (!CHECKPVSBIT(info->outleafpvs, leafindex))
845 SETPVSBIT(info->outleafpvs, leafindex);
846 info->outleaflist[info->outnumleafs++] = leafindex;
851 info->svbsp_insertoccluder = false;
852 R_Q1BSP_RecursiveGetLightInfo(info, info->model->brush.data_nodes);
853 if (developer.integer >= 100 && use_svbsp)
855 Con_Printf("GetLightInfo: svbsp built with %i nodes, polygon stats:\n", r_svbsp.numnodes);
856 Con_Printf("occluders: %i accepted, %i rejected, %i fragments accepted, %i fragments rejected.\n", r_svbsp.stat_occluders_accepted, r_svbsp.stat_occluders_rejected, r_svbsp.stat_occluders_fragments_accepted, r_svbsp.stat_occluders_fragments_rejected);
857 Con_Printf("queries : %i accepted, %i rejected, %i fragments accepted, %i fragments rejected.\n", r_svbsp.stat_queries_accepted, r_svbsp.stat_queries_rejected, r_svbsp.stat_queries_fragments_accepted, r_svbsp.stat_queries_fragments_rejected);
861 void R_Q1BSP_GetLightInfo(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, vec3_t outmins, vec3_t outmaxs, int *outleaflist, unsigned char *outleafpvs, int *outnumleafspointer, int *outsurfacelist, unsigned char *outsurfacepvs, int *outnumsurfacespointer, unsigned char *outshadowtrispvs, unsigned char *outlighttrispvs)
863 r_q1bsp_getlightinfo_t info;
864 VectorCopy(relativelightorigin, info.relativelightorigin);
865 info.lightradius = lightradius;
866 info.lightmins[0] = info.relativelightorigin[0] - info.lightradius;
867 info.lightmins[1] = info.relativelightorigin[1] - info.lightradius;
868 info.lightmins[2] = info.relativelightorigin[2] - info.lightradius;
869 info.lightmaxs[0] = info.relativelightorigin[0] + info.lightradius;
870 info.lightmaxs[1] = info.relativelightorigin[1] + info.lightradius;
871 info.lightmaxs[2] = info.relativelightorigin[2] + info.lightradius;
872 if (ent->model == NULL)
874 VectorCopy(info.lightmins, outmins);
875 VectorCopy(info.lightmaxs, outmaxs);
876 *outnumleafspointer = 0;
877 *outnumsurfacespointer = 0;
880 info.model = ent->model;
881 info.outleaflist = outleaflist;
882 info.outleafpvs = outleafpvs;
883 info.outnumleafs = 0;
884 info.outsurfacelist = outsurfacelist;
885 info.outsurfacepvs = outsurfacepvs;
886 info.outshadowtrispvs = outshadowtrispvs;
887 info.outlighttrispvs = outlighttrispvs;
888 info.outnumsurfaces = 0;
889 VectorCopy(info.relativelightorigin, info.outmins);
890 VectorCopy(info.relativelightorigin, info.outmaxs);
891 memset(outleafpvs, 0, (info.model->brush.num_leafs + 7) >> 3);
892 memset(outsurfacepvs, 0, (info.model->nummodelsurfaces + 7) >> 3);
893 if (info.model->brush.shadowmesh)
894 memset(outshadowtrispvs, 0, (info.model->brush.shadowmesh->numtriangles + 7) >> 3);
896 memset(outshadowtrispvs, 0, (info.model->surfmesh.num_triangles + 7) >> 3);
897 memset(outlighttrispvs, 0, (info.model->surfmesh.num_triangles + 7) >> 3);
898 if (info.model->brush.GetPVS && r_shadow_frontsidecasting.integer)
899 info.pvs = info.model->brush.GetPVS(info.model, info.relativelightorigin);
902 R_UpdateAllTextureInfo(ent);
904 if (r_shadow_frontsidecasting.integer && r_shadow_compilingrtlight && r_shadow_realtime_world_compileportalculling.integer)
906 // use portal recursion for exact light volume culling, and exact surface checking
907 Portal_Visibility(info.model, info.relativelightorigin, info.outleaflist, info.outleafpvs, &info.outnumleafs, info.outsurfacelist, info.outsurfacepvs, &info.outnumsurfaces, NULL, 0, true, info.lightmins, info.lightmaxs, info.outmins, info.outmaxs, info.outshadowtrispvs, info.outlighttrispvs);
909 else if (r_shadow_frontsidecasting.integer && r_shadow_realtime_dlight_portalculling.integer)
911 // use portal recursion for exact light volume culling, but not the expensive exact surface checking
912 Portal_Visibility(info.model, info.relativelightorigin, info.outleaflist, info.outleafpvs, &info.outnumleafs, info.outsurfacelist, info.outsurfacepvs, &info.outnumsurfaces, NULL, 0, r_shadow_realtime_dlight_portalculling.integer >= 2, info.lightmins, info.lightmaxs, info.outmins, info.outmaxs, info.outshadowtrispvs, info.outlighttrispvs);
916 // recurse the bsp tree, checking leafs and surfaces for visibility
917 // optionally using svbsp for exact culling of compiled lights
918 // (or if the user enables dlight svbsp culling, which is mostly for
919 // debugging not actual use)
920 R_Q1BSP_CallRecursiveGetLightInfo(&info, r_shadow_compilingrtlight ? r_shadow_realtime_world_compilesvbsp.integer : r_shadow_realtime_dlight_svbspculling.integer);
923 // limit combined leaf box to light boundaries
924 outmins[0] = max(info.outmins[0] - 1, info.lightmins[0]);
925 outmins[1] = max(info.outmins[1] - 1, info.lightmins[1]);
926 outmins[2] = max(info.outmins[2] - 1, info.lightmins[2]);
927 outmaxs[0] = min(info.outmaxs[0] + 1, info.lightmaxs[0]);
928 outmaxs[1] = min(info.outmaxs[1] + 1, info.lightmaxs[1]);
929 outmaxs[2] = min(info.outmaxs[2] + 1, info.lightmaxs[2]);
931 *outnumleafspointer = info.outnumleafs;
932 *outnumsurfacespointer = info.outnumsurfaces;
935 void R_Q1BSP_CompileShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist)
937 model_t *model = ent->model;
939 int surfacelistindex;
940 float projectdistance = relativelightdirection ? lightradius : lightradius + model->radius*2 + r_shadow_projectdistance.value;
941 r_shadow_compilingrtlight->static_meshchain_shadow = Mod_ShadowMesh_Begin(r_main_mempool, 32768, 32768, NULL, NULL, NULL, false, false, true);
942 R_Shadow_PrepareShadowMark(model->brush.shadowmesh->numtriangles);
943 for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++)
945 surface = model->data_surfaces + surfacelist[surfacelistindex];
946 if (surface->texture->currentframe->basematerialflags & MATERIALFLAG_NOSHADOW)
948 R_Shadow_MarkVolumeFromBox(surface->num_firstshadowmeshtriangle, surface->num_triangles, model->brush.shadowmesh->vertex3f, model->brush.shadowmesh->element3i, relativelightorigin, relativelightdirection, r_shadow_compilingrtlight->cullmins, r_shadow_compilingrtlight->cullmaxs, surface->mins, surface->maxs);
950 R_Shadow_VolumeFromList(model->brush.shadowmesh->numverts, model->brush.shadowmesh->numtriangles, model->brush.shadowmesh->vertex3f, model->brush.shadowmesh->element3i, model->brush.shadowmesh->neighbor3i, relativelightorigin, relativelightdirection, projectdistance, numshadowmark, shadowmarklist);
951 r_shadow_compilingrtlight->static_meshchain_shadow = Mod_ShadowMesh_Finish(r_main_mempool, r_shadow_compilingrtlight->static_meshchain_shadow, false, false, true);
954 extern cvar_t r_polygonoffset_submodel_factor;
955 extern cvar_t r_polygonoffset_submodel_offset;
956 void R_Q1BSP_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int modelnumsurfaces, const int *modelsurfacelist, const vec3_t lightmins, const vec3_t lightmaxs)
958 model_t *model = ent->model;
960 int modelsurfacelistindex;
961 float projectdistance = relativelightdirection ? lightradius : lightradius + model->radius*2 + r_shadow_projectdistance.value;
962 // check the box in modelspace, it was already checked in worldspace
963 if (!BoxesOverlap(model->normalmins, model->normalmaxs, lightmins, lightmaxs))
965 R_UpdateAllTextureInfo(ent);
966 if (ent->model->brush.submodel)
967 GL_PolygonOffset(r_refdef.shadowpolygonfactor + r_polygonoffset_submodel_factor.value, r_refdef.shadowpolygonoffset + r_polygonoffset_submodel_offset.value);
968 if (model->brush.shadowmesh)
970 R_Shadow_PrepareShadowMark(model->brush.shadowmesh->numtriangles);
971 for (modelsurfacelistindex = 0;modelsurfacelistindex < modelnumsurfaces;modelsurfacelistindex++)
973 surface = model->data_surfaces + modelsurfacelist[modelsurfacelistindex];
974 if (surface->texture->currentframe->currentmaterialflags & MATERIALFLAG_NOSHADOW)
976 R_Shadow_MarkVolumeFromBox(surface->num_firstshadowmeshtriangle, surface->num_triangles, model->brush.shadowmesh->vertex3f, model->brush.shadowmesh->element3i, relativelightorigin, relativelightdirection, lightmins, lightmaxs, surface->mins, surface->maxs);
978 R_Shadow_VolumeFromList(model->brush.shadowmesh->numverts, model->brush.shadowmesh->numtriangles, model->brush.shadowmesh->vertex3f, model->brush.shadowmesh->element3i, model->brush.shadowmesh->neighbor3i, relativelightorigin, relativelightdirection, projectdistance, numshadowmark, shadowmarklist);
982 projectdistance = lightradius + model->radius*2;
983 R_Shadow_PrepareShadowMark(model->surfmesh.num_triangles);
984 // identify lit faces within the bounding box
985 for (modelsurfacelistindex = 0;modelsurfacelistindex < modelnumsurfaces;modelsurfacelistindex++)
987 surface = model->data_surfaces + modelsurfacelist[modelsurfacelistindex];
988 rsurface.texture = surface->texture->currentframe;
989 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_NOSHADOW)
991 RSurf_PrepareVerticesForBatch(false, false, 1, &surface);
992 R_Shadow_MarkVolumeFromBox(surface->num_firsttriangle, surface->num_triangles, rsurface.vertex3f, rsurface.modelelement3i, relativelightorigin, relativelightdirection, lightmins, lightmaxs, surface->mins, surface->maxs);
994 R_Shadow_VolumeFromList(model->surfmesh.num_vertices, model->surfmesh.num_triangles, rsurface.vertex3f, model->surfmesh.data_element3i, model->surfmesh.data_neighbor3i, relativelightorigin, relativelightdirection, projectdistance, numshadowmark, shadowmarklist);
996 if (ent->model->brush.submodel)
997 GL_PolygonOffset(r_refdef.shadowpolygonfactor, r_refdef.shadowpolygonoffset);
1000 #define BATCHSIZE 1024
1002 static void R_Q1BSP_DrawLight_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
1004 int i, j, endsurface;
1006 msurface_t *surface;
1007 // note: in practice this never actually receives batches), oh well
1008 R_Shadow_RenderMode_Begin();
1009 R_Shadow_RenderMode_ActiveLight((rtlight_t *)rtlight);
1010 R_Shadow_RenderMode_Lighting(false, true);
1011 R_Shadow_SetupEntityLight(ent);
1012 for (i = 0;i < numsurfaces;i = j)
1015 surface = rsurface.modelsurfaces + surfacelist[i];
1016 t = surface->texture;
1017 R_UpdateTextureInfo(ent, t);
1018 rsurface.texture = t->currentframe;
1019 endsurface = min(j + BATCHSIZE, numsurfaces);
1020 for (j = i;j < endsurface;j++)
1022 surface = rsurface.modelsurfaces + surfacelist[j];
1023 if (t != surface->texture)
1025 RSurf_PrepareVerticesForBatch(true, true, 1, &surface);
1026 R_Shadow_RenderLighting(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, ent->model->surfmesh.data_element3i + surface->num_firsttriangle * 3, ent->model->surfmesh.ebo, (sizeof(int[3]) * surface->num_firsttriangle));
1029 R_Shadow_RenderMode_End();
1032 #define RSURF_MAX_BATCHSURFACES 8192
1034 void R_Q1BSP_DrawLight(entity_render_t *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs)
1036 model_t *model = ent->model;
1037 msurface_t *surface;
1038 int i, k, kend, l, m, mend, endsurface, batchnumsurfaces, batchnumtriangles, batchfirstvertex, batchlastvertex, batchfirsttriangle;
1039 qboolean usebufferobject, culltriangles;
1040 const int *element3i;
1041 msurface_t *batchsurfacelist[RSURF_MAX_BATCHSURFACES];
1042 int batchelements[BATCHSIZE*3];
1045 R_UpdateAllTextureInfo(ent);
1046 culltriangles = r_shadow_culltriangles.integer && !(ent->flags & RENDER_NOSELFSHADOW);
1047 element3i = rsurface.modelelement3i;
1048 // this is a double loop because non-visible surface skipping has to be
1049 // fast, and even if this is not the world model (and hence no visibility
1050 // checking) the input surface list and batch buffer are different formats
1051 // so some processing is necessary. (luckily models have few surfaces)
1052 for (i = 0;i < numsurfaces;)
1054 batchnumsurfaces = 0;
1055 endsurface = min(i + RSURF_MAX_BATCHSURFACES, numsurfaces);
1056 if (ent == r_refdef.scene.worldentity)
1058 for (;i < endsurface;i++)
1059 if (r_refdef.viewcache.world_surfacevisible[surfacelist[i]])
1060 batchsurfacelist[batchnumsurfaces++] = model->data_surfaces + surfacelist[i];
1064 for (;i < endsurface;i++)
1065 batchsurfacelist[batchnumsurfaces++] = model->data_surfaces + surfacelist[i];
1067 if (!batchnumsurfaces)
1069 for (k = 0;k < batchnumsurfaces;k = kend)
1071 surface = batchsurfacelist[k];
1072 tex = surface->texture;
1073 rsurface.texture = tex->currentframe;
1074 // gather surfaces into a batch range
1075 for (kend = k;kend < batchnumsurfaces && tex == batchsurfacelist[kend]->texture;kend++)
1077 // now figure out what to do with this particular range of surfaces
1078 if (rsurface.texture->currentmaterialflags & (MATERIALFLAG_WALL | MATERIALFLAG_WATER))
1080 if (rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED)
1082 vec3_t tempcenter, center;
1083 for (l = k;l < kend;l++)
1085 surface = batchsurfacelist[l];
1086 tempcenter[0] = (surface->mins[0] + surface->maxs[0]) * 0.5f;
1087 tempcenter[1] = (surface->mins[1] + surface->maxs[1]) * 0.5f;
1088 tempcenter[2] = (surface->mins[2] + surface->maxs[2]) * 0.5f;
1089 Matrix4x4_Transform(&rsurface.matrix, tempcenter, center);
1090 R_MeshQueue_AddTransparent(rsurface.texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST ? r_refdef.view.origin : center, R_Q1BSP_DrawLight_TransparentCallback, ent, surface - rsurface.modelsurfaces, rsurface.rtlight);
1095 // use the bufferobject if all triangles are accepted
1096 usebufferobject = true;
1097 batchnumtriangles = 0;
1098 batchfirsttriangle = surface->num_firsttriangle;
1099 for (l = k;l < kend;l++)
1101 surface = batchsurfacelist[l];
1102 RSurf_PrepareVerticesForBatch(true, true, 1, &surface);
1103 for (m = surface->num_firsttriangle, mend = m + surface->num_triangles;m < mend;m++)
1107 if (!CHECKPVSBIT(trispvs, m))
1109 usebufferobject = false;
1113 else if (culltriangles)
1115 if (r_shadow_frontsidecasting.integer && !PointInfrontOfTriangle(rsurface.entitylightorigin, rsurface.vertex3f + element3i[m*3+0]*3, rsurface.vertex3f + element3i[m*3+1]*3, rsurface.vertex3f + element3i[m*3+2]*3))
1117 usebufferobject = false;
1121 if (batchnumtriangles >= BATCHSIZE)
1123 r_refdef.stats.lights_lighttriangles += batchnumtriangles;
1124 Mod_VertexRangeFromElements(batchnumtriangles*3, batchelements, &batchfirstvertex, &batchlastvertex);
1125 if (usebufferobject && batchnumtriangles >= 100)
1126 R_Shadow_RenderLighting(batchfirstvertex, batchlastvertex + 1 - batchfirstvertex, batchnumtriangles, batchelements, ent->model->surfmesh.ebo, sizeof(int[3]) * batchfirsttriangle);
1128 R_Shadow_RenderLighting(batchfirstvertex, batchlastvertex + 1 - batchfirstvertex, batchnumtriangles, batchelements, 0, 0);
1129 usebufferobject = true;
1130 batchnumtriangles = 0;
1131 batchfirsttriangle = m;
1133 batchelements[batchnumtriangles*3+0] = element3i[m*3+0];
1134 batchelements[batchnumtriangles*3+1] = element3i[m*3+1];
1135 batchelements[batchnumtriangles*3+2] = element3i[m*3+2];
1136 batchnumtriangles++;
1139 if (batchnumtriangles > 0)
1141 r_refdef.stats.lights_lighttriangles += batchnumtriangles;
1142 Mod_VertexRangeFromElements(batchnumtriangles*3, batchelements, &batchfirstvertex, &batchlastvertex);
1143 if (usebufferobject && batchnumtriangles >= 100)
1144 R_Shadow_RenderLighting(batchfirstvertex, batchlastvertex + 1 - batchfirstvertex, batchnumtriangles, batchelements, ent->model->surfmesh.ebo, sizeof(int[3]) * batchfirsttriangle);
1146 R_Shadow_RenderLighting(batchfirstvertex, batchlastvertex + 1 - batchfirstvertex, batchnumtriangles, batchelements, 0, 0);
1155 void R_ReplaceWorldTexture (void)
1160 const char *r, *newt;
1161 skinframe_t *skinframe;
1162 if (!r_refdef.scene.worldmodel)
1164 Con_Printf("There is no worldmodel\n");
1167 m = r_refdef.scene.worldmodel;
1171 Con_Print("r_replacemaptexture <texname> <newtexname> - replaces texture\n");
1172 Con_Print("r_replacemaptexture <texname> - switch back to default texture\n");
1175 if(!cl.islocalgame || !cl.worldmodel)
1177 Con_Print("This command works only in singleplayer\n");
1184 for(i=0,t=m->data_textures;i<m->num_textures;i++,t++)
1186 if(/*t->width && !strcasecmp(t->name, r)*/ matchpattern( t->name, r, true ) )
1188 if ((skinframe = R_SkinFrame_LoadExternal(newt, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true)))
1190 // t->skinframes[0] = skinframe;
1191 t->currentskinframe = skinframe;
1192 t->currentskinframe = skinframe;
1193 Con_Printf("%s replaced with %s\n", r, newt);
1197 Con_Printf("%s was not found\n", newt);
1205 void R_ListWorldTextures (void)
1210 if (!r_refdef.scene.worldmodel)
1212 Con_Printf("There is no worldmodel\n");
1215 m = r_refdef.scene.worldmodel;
1217 Con_Print("Worldmodel textures :\n");
1218 for(i=0,t=m->data_textures;i<m->num_textures;i++,t++)
1219 if (t->numskinframes)
1220 Con_Printf("%s\n", t->name);
1224 static void gl_surf_start(void)
1228 static void gl_surf_shutdown(void)
1232 static void gl_surf_newmap(void)
1237 void GL_Surf_Init(void)
1240 Cvar_RegisterVariable(&r_ambient);
1241 Cvar_RegisterVariable(&r_lockpvs);
1242 Cvar_RegisterVariable(&r_lockvisibility);
1243 Cvar_RegisterVariable(&r_useportalculling);
1244 Cvar_RegisterVariable(&r_q3bsp_renderskydepth);
1246 Cmd_AddCommand ("r_replacemaptexture", R_ReplaceWorldTexture, "override a map texture for testing purposes");
1247 Cmd_AddCommand ("r_listmaptextures", R_ListWorldTextures, "list all textures used by the current map");
1249 //R_RegisterModule("GL_Surf", gl_surf_start, gl_surf_shutdown, gl_surf_newmap);