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.
29 qbyte mod_q1bsp_novis[(MAX_MAP_LEAFS + 7)/ 8];
31 //cvar_t r_subdivide_size = {CVAR_SAVE, "r_subdivide_size", "128"};
32 cvar_t halflifebsp = {0, "halflifebsp", "0"};
33 cvar_t r_novis = {0, "r_novis", "0"};
34 cvar_t r_miplightmaps = {CVAR_SAVE, "r_miplightmaps", "0"};
35 cvar_t r_lightmaprgba = {0, "r_lightmaprgba", "1"};
36 cvar_t r_nosurftextures = {0, "r_nosurftextures", "0"};
37 cvar_t r_subdivisions_tolerance = {0, "r_subdivisions_tolerance", "4"};
38 cvar_t r_subdivisions_mintess = {0, "r_subdivisions_mintess", "1"};
39 cvar_t r_subdivisions_maxtess = {0, "r_subdivisions_maxtess", "1024"};
40 cvar_t r_subdivisions_maxvertices = {0, "r_subdivisions_maxvertices", "65536"};
41 cvar_t r_subdivisions_collision_tolerance = {0, "r_subdivisions_collision_tolerance", "15"};
42 cvar_t r_subdivisions_collision_mintess = {0, "r_subdivisions_collision_mintess", "1"};
43 cvar_t r_subdivisions_collision_maxtess = {0, "r_subdivisions_collision_maxtess", "1024"};
44 cvar_t r_subdivisions_collision_maxvertices = {0, "r_subdivisions_collision_maxvertices", "4225"};
45 cvar_t mod_q3bsp_curves_collisions = {0, "mod_q3bsp_curves_collisions", "1"};
46 cvar_t mod_q3bsp_optimizedtraceline = {0, "mod_q3bsp_optimizedtraceline", "1"};
47 cvar_t mod_q3bsp_debugtracebrush = {0, "mod_q3bsp_debugtracebrush", "0"};
49 static void Mod_Q1BSP_Collision_Init (void);
50 void Mod_BrushInit(void)
52 // Cvar_RegisterVariable(&r_subdivide_size);
53 Cvar_RegisterVariable(&halflifebsp);
54 Cvar_RegisterVariable(&r_novis);
55 Cvar_RegisterVariable(&r_miplightmaps);
56 Cvar_RegisterVariable(&r_lightmaprgba);
57 Cvar_RegisterVariable(&r_nosurftextures);
58 Cvar_RegisterVariable(&r_subdivisions_tolerance);
59 Cvar_RegisterVariable(&r_subdivisions_mintess);
60 Cvar_RegisterVariable(&r_subdivisions_maxtess);
61 Cvar_RegisterVariable(&r_subdivisions_maxvertices);
62 Cvar_RegisterVariable(&r_subdivisions_collision_tolerance);
63 Cvar_RegisterVariable(&r_subdivisions_collision_mintess);
64 Cvar_RegisterVariable(&r_subdivisions_collision_maxtess);
65 Cvar_RegisterVariable(&r_subdivisions_collision_maxvertices);
66 Cvar_RegisterVariable(&mod_q3bsp_curves_collisions);
67 Cvar_RegisterVariable(&mod_q3bsp_optimizedtraceline);
68 Cvar_RegisterVariable(&mod_q3bsp_debugtracebrush);
69 memset(mod_q1bsp_novis, 0xff, sizeof(mod_q1bsp_novis));
70 Mod_Q1BSP_Collision_Init();
73 static mleaf_t *Mod_Q1BSP_PointInLeaf(model_t *model, const vec3_t p)
80 Mod_CheckLoaded(model);
82 // LordHavoc: modified to start at first clip node,
83 // in other words: first node of the (sub)model
84 node = model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode;
86 node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct(p,node->plane->normal)) < node->plane->dist];
88 return (mleaf_t *)node;
91 static void Mod_Q1BSP_AmbientSoundLevelsForPoint(model_t *model, const vec3_t p, qbyte *out, int outsize)
95 leaf = Mod_Q1BSP_PointInLeaf(model, p);
98 i = min(outsize, (int)sizeof(leaf->ambient_sound_level));
101 memcpy(out, leaf->ambient_sound_level, i);
107 memset(out, 0, outsize);
110 static int Mod_Q1BSP_BoxTouchingPVS(model_t *model, const qbyte *pvs, const vec3_t mins, const vec3_t maxs)
112 int clusterindex, side, nodestackindex = 0;
113 mnode_t *node, *nodestack[1024];
114 if (!model->brush.num_pvsclusters)
116 node = model->brush.data_nodes;
121 // node - recurse down the BSP tree
122 side = BoxOnPlaneSide(mins, maxs, node->plane) - 1;
125 // box is on one side of plane, take that path
126 node = node->children[side];
130 // box crosses plane, take one path and remember the other
131 if (nodestackindex < 1024)
132 nodestack[nodestackindex++] = node->children[0];
133 node = node->children[1];
138 // leaf - check cluster bit
139 clusterindex = ((mleaf_t *)node)->clusterindex;
140 if (CHECKPVSBIT(pvs, clusterindex))
142 // it is visible, return immediately with the news
147 // nothing to see here, try another path we didn't take earlier
148 if (nodestackindex == 0)
150 node = nodestack[--nodestackindex];
158 static int Mod_Q1BSP_BoxTouchingVisibleLeafs(model_t *model, const qbyte *visibleleafs, const vec3_t mins, const vec3_t maxs)
160 int side, nodestackindex = 0;
161 mnode_t *node, *nodestack[1024];
162 node = model->brush.data_nodes;
167 // node - recurse down the BSP tree
168 side = BoxOnPlaneSide(mins, maxs, node->plane) - 1;
171 // box is on one side of plane, take that path
172 node = node->children[side];
176 // box crosses plane, take one path and remember the other
177 if (nodestackindex < 1024)
178 nodestack[nodestackindex++] = node->children[0];
179 node = node->children[1];
184 // leaf - check if it is visible
185 if (visibleleafs[(mleaf_t *)node - model->brush.data_leafs])
187 // it is visible, return immediately with the news
192 // nothing to see here, try another path we didn't take earlier
193 if (nodestackindex == 0)
195 node = nodestack[--nodestackindex];
203 typedef struct findnonsolidlocationinfo_s
211 findnonsolidlocationinfo_t;
213 static void Mod_Q1BSP_FindNonSolidLocation_r_Leaf(findnonsolidlocationinfo_t *info, mleaf_t *leaf)
215 int i, surfacenum, k, *tri, *mark;
216 float dist, f, vert[3][3], edge[3][3], facenormal[3], edgenormal[3][3], point[3];
218 for (surfacenum = 0, mark = leaf->firstleafsurface;surfacenum < leaf->numleafsurfaces;surfacenum++, mark++)
220 surface = info->model->brush.data_surfaces + *mark;
221 if (surface->texture->supercontents & SUPERCONTENTS_SOLID)
223 for (k = 0;k < surface->num_triangles;k++)
225 tri = (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle) + k * 3;
226 VectorCopy(((surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + tri[0] * 3), vert[0]);
227 VectorCopy(((surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + tri[1] * 3), vert[1]);
228 VectorCopy(((surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + tri[2] * 3), vert[2]);
229 VectorSubtract(vert[1], vert[0], edge[0]);
230 VectorSubtract(vert[2], vert[1], edge[1]);
231 CrossProduct(edge[1], edge[0], facenormal);
232 if (facenormal[0] || facenormal[1] || facenormal[2])
234 VectorNormalize(facenormal);
235 f = DotProduct(info->center, facenormal) - DotProduct(vert[0], facenormal);
236 if (f <= info->bestdist && f >= -info->bestdist)
238 VectorSubtract(vert[0], vert[2], edge[2]);
239 VectorNormalize(edge[0]);
240 VectorNormalize(edge[1]);
241 VectorNormalize(edge[2]);
242 CrossProduct(facenormal, edge[0], edgenormal[0]);
243 CrossProduct(facenormal, edge[1], edgenormal[1]);
244 CrossProduct(facenormal, edge[2], edgenormal[2]);
246 if (DotProduct(info->center, edgenormal[0]) < DotProduct(vert[0], edgenormal[0])
247 && DotProduct(info->center, edgenormal[1]) < DotProduct(vert[1], edgenormal[1])
248 && DotProduct(info->center, edgenormal[2]) < DotProduct(vert[2], edgenormal[2]))
250 // we got lucky, the center is within the face
251 dist = DotProduct(info->center, facenormal) - DotProduct(vert[0], facenormal);
255 if (info->bestdist > dist)
257 info->bestdist = dist;
258 VectorScale(facenormal, (info->radius - -dist), info->nudge);
263 if (info->bestdist > dist)
265 info->bestdist = dist;
266 VectorScale(facenormal, (info->radius - dist), info->nudge);
272 // check which edge or vertex the center is nearest
273 for (i = 0;i < 3;i++)
275 f = DotProduct(info->center, edge[i]);
276 if (f >= DotProduct(vert[0], edge[i])
277 && f <= DotProduct(vert[1], edge[i]))
280 VectorMA(info->center, -f, edge[i], point);
281 dist = sqrt(DotProduct(point, point));
282 if (info->bestdist > dist)
284 info->bestdist = dist;
285 VectorScale(point, (info->radius / dist), info->nudge);
287 // skip both vertex checks
288 // (both are further away than this edge)
293 // not on edge, check first vertex of edge
294 VectorSubtract(info->center, vert[i], point);
295 dist = sqrt(DotProduct(point, point));
296 if (info->bestdist > dist)
298 info->bestdist = dist;
299 VectorScale(point, (info->radius / dist), info->nudge);
311 static void Mod_Q1BSP_FindNonSolidLocation_r(findnonsolidlocationinfo_t *info, mnode_t *node)
315 float f = PlaneDiff(info->center, node->plane);
316 if (f >= -info->bestdist)
317 Mod_Q1BSP_FindNonSolidLocation_r(info, node->children[0]);
318 if (f <= info->bestdist)
319 Mod_Q1BSP_FindNonSolidLocation_r(info, node->children[1]);
323 if (((mleaf_t *)node)->numleafsurfaces)
324 Mod_Q1BSP_FindNonSolidLocation_r_Leaf(info, (mleaf_t *)node);
328 static void Mod_Q1BSP_FindNonSolidLocation(model_t *model, const vec3_t in, vec3_t out, float radius)
331 findnonsolidlocationinfo_t info;
337 VectorCopy(in, info.center);
338 info.radius = radius;
343 VectorClear(info.nudge);
344 info.bestdist = radius;
345 Mod_Q1BSP_FindNonSolidLocation_r(&info, model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode);
346 VectorAdd(info.center, info.nudge, info.center);
348 while (info.bestdist < radius && ++i < 10);
349 VectorCopy(info.center, out);
352 int Mod_Q1BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents)
354 switch(nativecontents)
359 return SUPERCONTENTS_SOLID;
361 return SUPERCONTENTS_WATER;
363 return SUPERCONTENTS_SLIME;
365 return SUPERCONTENTS_LAVA;
367 return SUPERCONTENTS_SKY;
372 int Mod_Q1BSP_NativeContentsFromSuperContents(model_t *model, int supercontents)
374 if (supercontents & SUPERCONTENTS_SOLID)
375 return CONTENTS_SOLID;
376 if (supercontents & SUPERCONTENTS_SKY)
378 if (supercontents & SUPERCONTENTS_LAVA)
379 return CONTENTS_LAVA;
380 if (supercontents & SUPERCONTENTS_SLIME)
381 return CONTENTS_SLIME;
382 if (supercontents & SUPERCONTENTS_WATER)
383 return CONTENTS_WATER;
384 return CONTENTS_EMPTY;
389 // the hull we're tracing through
392 // the trace structure to fill in
395 // start, end, and end - start (in model space)
400 RecursiveHullCheckTraceInfo_t;
402 // 1/32 epsilon to keep floating point happy
403 #define DIST_EPSILON (0.03125)
405 #define HULLCHECKSTATE_EMPTY 0
406 #define HULLCHECKSTATE_SOLID 1
407 #define HULLCHECKSTATE_DONE 2
409 static int Mod_Q1BSP_RecursiveHullCheck(RecursiveHullCheckTraceInfo_t *t, int num, double p1f, double p2f, double p1[3], double p2[3])
411 // status variables, these don't need to be saved on the stack when
412 // recursing... but are because this should be thread-safe
413 // (note: tracing against a bbox is not thread-safe, yet)
418 // variables that need to be stored on the stack when recursing
423 // LordHavoc: a goto! everyone flee in terror... :)
428 num = Mod_Q1BSP_SuperContentsFromNativeContents(NULL, num);
429 if (!t->trace->startfound)
431 t->trace->startfound = true;
432 t->trace->startsupercontents |= num;
434 if (num & SUPERCONTENTS_LIQUIDSMASK)
435 t->trace->inwater = true;
437 t->trace->inopen = true;
438 if (num & t->trace->hitsupercontentsmask)
440 // if the first leaf is solid, set startsolid
441 if (t->trace->allsolid)
442 t->trace->startsolid = true;
443 #if COLLISIONPARANOID >= 3
446 return HULLCHECKSTATE_SOLID;
450 t->trace->allsolid = false;
451 #if COLLISIONPARANOID >= 3
454 return HULLCHECKSTATE_EMPTY;
458 // find the point distances
459 node = t->hull->clipnodes + num;
461 plane = t->hull->planes + node->planenum;
464 t1 = p1[plane->type] - plane->dist;
465 t2 = p2[plane->type] - plane->dist;
469 t1 = DotProduct (plane->normal, p1) - plane->dist;
470 t2 = DotProduct (plane->normal, p2) - plane->dist;
477 #if COLLISIONPARANOID >= 3
480 num = node->children[1];
489 #if COLLISIONPARANOID >= 3
492 num = node->children[0];
498 // the line intersects, find intersection point
499 // LordHavoc: this uses the original trace for maximum accuracy
500 #if COLLISIONPARANOID >= 3
505 t1 = t->start[plane->type] - plane->dist;
506 t2 = t->end[plane->type] - plane->dist;
510 t1 = DotProduct (plane->normal, t->start) - plane->dist;
511 t2 = DotProduct (plane->normal, t->end) - plane->dist;
514 midf = t1 / (t1 - t2);
515 midf = bound(p1f, midf, p2f);
516 VectorMA(t->start, midf, t->dist, mid);
518 // recurse both sides, front side first
519 ret = Mod_Q1BSP_RecursiveHullCheck(t, node->children[side], p1f, midf, p1, mid);
520 // if this side is not empty, return what it is (solid or done)
521 if (ret != HULLCHECKSTATE_EMPTY)
524 ret = Mod_Q1BSP_RecursiveHullCheck(t, node->children[side ^ 1], midf, p2f, mid, p2);
525 // if other side is not solid, return what it is (empty or done)
526 if (ret != HULLCHECKSTATE_SOLID)
529 // front is air and back is solid, this is the impact point...
532 t->trace->plane.dist = -plane->dist;
533 VectorNegate (plane->normal, t->trace->plane.normal);
537 t->trace->plane.dist = plane->dist;
538 VectorCopy (plane->normal, t->trace->plane.normal);
541 // calculate the true fraction
542 t1 = DotProduct(t->trace->plane.normal, t->start) - t->trace->plane.dist;
543 t2 = DotProduct(t->trace->plane.normal, t->end) - t->trace->plane.dist;
544 midf = t1 / (t1 - t2);
545 t->trace->realfraction = bound(0, midf, 1);
547 // calculate the return fraction which is nudged off the surface a bit
548 midf = (t1 - DIST_EPSILON) / (t1 - t2);
549 t->trace->fraction = bound(0, midf, 1);
551 #if COLLISIONPARANOID >= 3
554 return HULLCHECKSTATE_DONE;
557 #if COLLISIONPARANOID < 2
558 static int Mod_Q1BSP_RecursiveHullCheckPoint(RecursiveHullCheckTraceInfo_t *t, int num)
561 num = t->hull->clipnodes[num].children[(t->hull->planes[t->hull->clipnodes[num].planenum].type < 3 ? t->start[t->hull->planes[t->hull->clipnodes[num].planenum].type] : DotProduct(t->hull->planes[t->hull->clipnodes[num].planenum].normal, t->start)) < t->hull->planes[t->hull->clipnodes[num].planenum].dist];
562 num = Mod_Q1BSP_SuperContentsFromNativeContents(NULL, num);
563 t->trace->startsupercontents |= num;
564 if (num & SUPERCONTENTS_LIQUIDSMASK)
565 t->trace->inwater = true;
567 t->trace->inopen = true;
568 if (num & t->trace->hitsupercontentsmask)
570 t->trace->allsolid = t->trace->startsolid = true;
571 return HULLCHECKSTATE_SOLID;
575 t->trace->allsolid = t->trace->startsolid = false;
576 return HULLCHECKSTATE_EMPTY;
581 static void Mod_Q1BSP_TraceBox(struct model_s *model, int frame, trace_t *trace, const vec3_t boxstartmins, const vec3_t boxstartmaxs, const vec3_t boxendmins, const vec3_t boxendmaxs, int hitsupercontentsmask)
583 // this function currently only supports same size start and end
585 RecursiveHullCheckTraceInfo_t rhc;
587 memset(&rhc, 0, sizeof(rhc));
588 memset(trace, 0, sizeof(trace_t));
590 rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
591 rhc.trace->fraction = 1;
592 rhc.trace->realfraction = 1;
593 rhc.trace->allsolid = true;
594 VectorSubtract(boxstartmaxs, boxstartmins, boxsize);
596 rhc.hull = &model->brushq1.hulls[0]; // 0x0x0
597 else if (model->brush.ishlbsp)
599 // LordHavoc: this has to have a minor tolerance (the .1) because of
600 // minor float precision errors from the box being transformed around
601 if (boxsize[0] < 32.1)
603 if (boxsize[2] < 54) // pick the nearest of 36 or 72
604 rhc.hull = &model->brushq1.hulls[3]; // 32x32x36
606 rhc.hull = &model->brushq1.hulls[1]; // 32x32x72
609 rhc.hull = &model->brushq1.hulls[2]; // 64x64x64
613 // LordHavoc: this has to have a minor tolerance (the .1) because of
614 // minor float precision errors from the box being transformed around
615 if (boxsize[0] < 32.1)
616 rhc.hull = &model->brushq1.hulls[1]; // 32x32x56
618 rhc.hull = &model->brushq1.hulls[2]; // 64x64x88
620 VectorSubtract(boxstartmins, rhc.hull->clip_mins, rhc.start);
621 VectorSubtract(boxendmins, rhc.hull->clip_mins, rhc.end);
622 VectorSubtract(rhc.end, rhc.start, rhc.dist);
623 #if COLLISIONPARANOID >= 2
624 Con_Printf("t(%f %f %f,%f %f %f,%i %f %f %f)", rhc.start[0], rhc.start[1], rhc.start[2], rhc.end[0], rhc.end[1], rhc.end[2], rhc.hull - model->brushq1.hulls, rhc.hull->clip_mins[0], rhc.hull->clip_mins[1], rhc.hull->clip_mins[2]);
625 Mod_Q1BSP_RecursiveHullCheck(&rhc, rhc.hull->firstclipnode, 0, 1, rhc.start, rhc.end);
628 if (DotProduct(rhc.dist, rhc.dist))
629 Mod_Q1BSP_RecursiveHullCheck(&rhc, rhc.hull->firstclipnode, 0, 1, rhc.start, rhc.end);
631 Mod_Q1BSP_RecursiveHullCheckPoint(&rhc, rhc.hull->firstclipnode);
635 static hull_t box_hull;
636 static dclipnode_t box_clipnodes[6];
637 static mplane_t box_planes[6];
639 static void Mod_Q1BSP_Collision_Init (void)
644 //Set up the planes and clipnodes so that the six floats of a bounding box
645 //can just be stored out and get a proper hull_t structure.
647 box_hull.clipnodes = box_clipnodes;
648 box_hull.planes = box_planes;
649 box_hull.firstclipnode = 0;
650 box_hull.lastclipnode = 5;
652 for (i = 0;i < 6;i++)
654 box_clipnodes[i].planenum = i;
658 box_clipnodes[i].children[side] = CONTENTS_EMPTY;
660 box_clipnodes[i].children[side^1] = i + 1;
662 box_clipnodes[i].children[side^1] = CONTENTS_SOLID;
664 box_planes[i].type = i>>1;
665 box_planes[i].normal[i>>1] = 1;
669 void Collision_ClipTrace_Box(trace_t *trace, const vec3_t cmins, const vec3_t cmaxs, const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int hitsupercontentsmask, int boxsupercontents)
673 colplanef_t cbox_planes[6];
674 cbox.supercontents = boxsupercontents;
677 cbox.numtriangles = 0;
678 cbox.planes = cbox_planes;
680 cbox.elements = NULL;
688 cbox_planes[0].normal[0] = 1;cbox_planes[0].normal[1] = 0;cbox_planes[0].normal[2] = 0;cbox_planes[0].dist = cmaxs[0] - mins[0];
689 cbox_planes[1].normal[0] = -1;cbox_planes[1].normal[1] = 0;cbox_planes[1].normal[2] = 0;cbox_planes[1].dist = maxs[0] - cmins[0];
690 cbox_planes[2].normal[0] = 0;cbox_planes[2].normal[1] = 1;cbox_planes[2].normal[2] = 0;cbox_planes[2].dist = cmaxs[1] - mins[1];
691 cbox_planes[3].normal[0] = 0;cbox_planes[3].normal[1] = -1;cbox_planes[3].normal[2] = 0;cbox_planes[3].dist = maxs[1] - cmins[1];
692 cbox_planes[4].normal[0] = 0;cbox_planes[4].normal[1] = 0;cbox_planes[4].normal[2] = 1;cbox_planes[4].dist = cmaxs[2] - mins[2];
693 cbox_planes[5].normal[0] = 0;cbox_planes[5].normal[1] = 0;cbox_planes[5].normal[2] = -1;cbox_planes[5].dist = maxs[2] - cmins[2];
694 memset(trace, 0, sizeof(trace_t));
695 trace->hitsupercontentsmask = hitsupercontentsmask;
697 trace->realfraction = 1;
698 Collision_TraceLineBrushFloat(trace, start, end, &cbox, &cbox);
700 RecursiveHullCheckTraceInfo_t rhc;
701 // fill in a default trace
702 memset(&rhc, 0, sizeof(rhc));
703 memset(trace, 0, sizeof(trace_t));
704 //To keep everything totally uniform, bounding boxes are turned into small
705 //BSP trees instead of being compared directly.
706 // create a temp hull from bounding box sizes
707 box_planes[0].dist = cmaxs[0] - mins[0];
708 box_planes[1].dist = cmins[0] - maxs[0];
709 box_planes[2].dist = cmaxs[1] - mins[1];
710 box_planes[3].dist = cmins[1] - maxs[1];
711 box_planes[4].dist = cmaxs[2] - mins[2];
712 box_planes[5].dist = cmins[2] - maxs[2];
713 #if COLLISIONPARANOID >= 3
714 Con_Printf("box_planes %f:%f %f:%f %f:%f\ncbox %f %f %f:%f %f %f\nbox %f %f %f:%f %f %f\n", box_planes[0].dist, box_planes[1].dist, box_planes[2].dist, box_planes[3].dist, box_planes[4].dist, box_planes[5].dist, cmins[0], cmins[1], cmins[2], cmaxs[0], cmaxs[1], cmaxs[2], mins[0], mins[1], mins[2], maxs[0], maxs[1], maxs[2]);
716 // trace a line through the generated clipping hull
717 //rhc.boxsupercontents = boxsupercontents;
718 rhc.hull = &box_hull;
720 rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
721 rhc.trace->fraction = 1;
722 rhc.trace->realfraction = 1;
723 rhc.trace->allsolid = true;
724 VectorCopy(start, rhc.start);
725 VectorCopy(end, rhc.end);
726 VectorSubtract(rhc.end, rhc.start, rhc.dist);
727 Mod_Q1BSP_RecursiveHullCheck(&rhc, rhc.hull->firstclipnode, 0, 1, rhc.start, rhc.end);
728 //VectorMA(rhc.start, rhc.trace->fraction, rhc.dist, rhc.trace->endpos);
729 if (rhc.trace->startsupercontents)
730 rhc.trace->startsupercontents = boxsupercontents;
734 static int Mod_Q1BSP_LightPoint_RecursiveBSPNode(vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal, const mnode_t *node, float x, float y, float startz, float endz)
736 int side, distz = endz - startz;
742 return false; // didn't hit anything
744 switch (node->plane->type)
747 node = node->children[x < node->plane->dist];
750 node = node->children[y < node->plane->dist];
753 side = startz < node->plane->dist;
754 if ((endz < node->plane->dist) == side)
756 node = node->children[side];
759 // found an intersection
760 mid = node->plane->dist;
763 back = front = x * node->plane->normal[0] + y * node->plane->normal[1];
764 front += startz * node->plane->normal[2];
765 back += endz * node->plane->normal[2];
766 side = front < node->plane->dist;
767 if ((back < node->plane->dist) == side)
769 node = node->children[side];
772 // found an intersection
773 mid = startz + distz * (front - node->plane->dist) / (front - back);
777 // go down front side
778 if (node->children[side]->plane && Mod_Q1BSP_LightPoint_RecursiveBSPNode(ambientcolor, diffusecolor, diffusenormal, node->children[side], x, y, startz, mid))
779 return true; // hit something
782 // check for impact on this node
783 if (node->numsurfaces)
788 surface = r_refdef.worldmodel->brush.data_surfaces + node->firstsurface;
789 for (i = 0;i < node->numsurfaces;i++, surface++)
791 if (!(surface->texture->basematerialflags & MATERIALFLAG_WALL) || !surface->lightmapinfo->samples)
792 continue; // no lightmaps
794 ds = (int) (x * surface->lightmapinfo->texinfo->vecs[0][0] + y * surface->lightmapinfo->texinfo->vecs[0][1] + mid * surface->lightmapinfo->texinfo->vecs[0][2] + surface->lightmapinfo->texinfo->vecs[0][3]) - surface->lightmapinfo->texturemins[0];
795 dt = (int) (x * surface->lightmapinfo->texinfo->vecs[1][0] + y * surface->lightmapinfo->texinfo->vecs[1][1] + mid * surface->lightmapinfo->texinfo->vecs[1][2] + surface->lightmapinfo->texinfo->vecs[1][3]) - surface->lightmapinfo->texturemins[1];
797 if (ds >= 0 && ds < surface->lightmapinfo->extents[0] && dt >= 0 && dt < surface->lightmapinfo->extents[1])
800 int lmwidth, lmheight, maps, line3, size3, dsfrac = ds & 15, dtfrac = dt & 15, scale = 0, r00 = 0, g00 = 0, b00 = 0, r01 = 0, g01 = 0, b01 = 0, r10 = 0, g10 = 0, b10 = 0, r11 = 0, g11 = 0, b11 = 0;
801 lmwidth = ((surface->lightmapinfo->extents[0]>>4)+1);
802 lmheight = ((surface->lightmapinfo->extents[1]>>4)+1);
803 line3 = lmwidth * 3; // LordHavoc: *3 for colored lighting
804 size3 = lmwidth * lmheight * 3; // LordHavoc: *3 for colored lighting
806 lightmap = surface->lightmapinfo->samples + ((dt>>4) * lmwidth + (ds>>4))*3; // LordHavoc: *3 for colored lighting
808 for (maps = 0;maps < MAXLIGHTMAPS && surface->lightmapinfo->styles[maps] != 255;maps++)
810 scale = d_lightstylevalue[surface->lightmapinfo->styles[maps]];
811 r00 += lightmap[ 0] * scale;g00 += lightmap[ 1] * scale;b00 += lightmap[ 2] * scale;
812 r01 += lightmap[ 3] * scale;g01 += lightmap[ 4] * scale;b01 += lightmap[ 5] * scale;
813 r10 += lightmap[line3+0] * scale;g10 += lightmap[line3+1] * scale;b10 += lightmap[line3+2] * scale;
814 r11 += lightmap[line3+3] * scale;g11 += lightmap[line3+4] * scale;b11 += lightmap[line3+5] * scale;
819 LordHavoc: here's the readable version of the interpolation
820 code, not quite as easy for the compiler to optimize...
822 dsfrac is the X position in the lightmap pixel, * 16
823 dtfrac is the Y position in the lightmap pixel, * 16
824 r00 is top left corner, r01 is top right corner
825 r10 is bottom left corner, r11 is bottom right corner
826 g and b are the same layout.
827 r0 and r1 are the top and bottom intermediate results
829 first we interpolate the top two points, to get the top
832 r0 = (((r01-r00) * dsfrac) >> 4) + r00;
833 g0 = (((g01-g00) * dsfrac) >> 4) + g00;
834 b0 = (((b01-b00) * dsfrac) >> 4) + b00;
836 then we interpolate the bottom two points, to get the
839 r1 = (((r11-r10) * dsfrac) >> 4) + r10;
840 g1 = (((g11-g10) * dsfrac) >> 4) + g10;
841 b1 = (((b11-b10) * dsfrac) >> 4) + b10;
843 then we interpolate the top and bottom samples to get the
844 middle sample (the one which was requested)
846 r = (((r1-r0) * dtfrac) >> 4) + r0;
847 g = (((g1-g0) * dtfrac) >> 4) + g0;
848 b = (((b1-b0) * dtfrac) >> 4) + b0;
851 ambientcolor[0] += (float) ((((((((r11-r10) * dsfrac) >> 4) + r10)-((((r01-r00) * dsfrac) >> 4) + r00)) * dtfrac) >> 4) + ((((r01-r00) * dsfrac) >> 4) + r00)) * (1.0f / 32768.0f);
852 ambientcolor[1] += (float) ((((((((g11-g10) * dsfrac) >> 4) + g10)-((((g01-g00) * dsfrac) >> 4) + g00)) * dtfrac) >> 4) + ((((g01-g00) * dsfrac) >> 4) + g00)) * (1.0f / 32768.0f);
853 ambientcolor[2] += (float) ((((((((b11-b10) * dsfrac) >> 4) + b10)-((((b01-b00) * dsfrac) >> 4) + b00)) * dtfrac) >> 4) + ((((b01-b00) * dsfrac) >> 4) + b00)) * (1.0f / 32768.0f);
854 return true; // success
860 node = node->children[side ^ 1];
862 distz = endz - startz;
867 void Mod_Q1BSP_LightPoint(model_t *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal)
869 Mod_Q1BSP_LightPoint_RecursiveBSPNode(ambientcolor, diffusecolor, diffusenormal, model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode, p[0], p[1], p[2], p[2] - 65536);
872 static void Mod_Q1BSP_DecompressVis(const qbyte *in, const qbyte *inend, qbyte *out, qbyte *outend)
875 qbyte *outstart = out;
880 Con_Printf("Mod_Q1BSP_DecompressVis: input underrun on model \"%s\" (decompressed %i of %i output bytes)\n", loadmodel->name, out - outstart, outend - outstart);
890 Con_Printf("Mod_Q1BSP_DecompressVis: input underrun (during zero-run) on model \"%s\" (decompressed %i of %i output bytes)\n", loadmodel->name, out - outstart, outend - outstart);
893 for (c = *in++;c > 0;c--)
897 Con_Printf("Mod_Q1BSP_DecompressVis: output overrun on model \"%s\" (decompressed %i of %i output bytes)\n", loadmodel->name, out - outstart, outend - outstart);
910 A sky texture is 256*128, with the right side being a masked overlay
913 void R_Q1BSP_LoadSplitSky (qbyte *src, int width, int height, int bytesperpixel)
916 unsigned solidpixels[128*128], alphapixels[128*128];
918 // if sky isn't the right size, just use it as a solid layer
919 if (width != 256 || height != 128)
921 loadmodel->brush.solidskytexture = R_LoadTexture2D(loadmodel->texturepool, "sky_solidtexture", width, height, src, bytesperpixel == 4 ? TEXTYPE_RGBA : TEXTYPE_PALETTE, TEXF_PRECACHE, bytesperpixel == 1 ? palette_complete : NULL);
922 loadmodel->brush.alphaskytexture = NULL;;
926 if (bytesperpixel == 4)
928 for (i = 0;i < 128;i++)
930 for (j = 0;j < 128;j++)
932 solidpixels[(i*128) + j] = ((unsigned *)src)[i*256+j+128];
933 alphapixels[(i*128) + j] = ((unsigned *)src)[i*256+j];
939 // make an average value for the back to avoid
940 // a fringe on the top level
949 for (i = 0;i < 128;i++)
951 for (j = 0;j < 128;j++)
953 rgba.i = palette_complete[src[i*256 + j + 128]];
959 rgba.b[0] = r/(128*128);
960 rgba.b[1] = g/(128*128);
961 rgba.b[2] = b/(128*128);
963 for (i = 0;i < 128;i++)
965 for (j = 0;j < 128;j++)
967 solidpixels[(i*128) + j] = palette_complete[src[i*256 + j + 128]];
968 alphapixels[(i*128) + j] = (p = src[i*256 + j]) ? palette_complete[p] : rgba.i;
973 loadmodel->brush.solidskytexture = R_LoadTexture2D(loadmodel->texturepool, "sky_solidtexture", 128, 128, (qbyte *) solidpixels, TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
974 loadmodel->brush.alphaskytexture = R_LoadTexture2D(loadmodel->texturepool, "sky_alphatexture", 128, 128, (qbyte *) alphapixels, TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE, NULL);
977 static void Mod_Q1BSP_LoadTextures(lump_t *l)
979 int i, j, k, num, max, altmax, mtwidth, mtheight, *dofs, incomplete;
981 texture_t *tx, *tx2, *anims[10], *altanims[10];
983 qbyte *data, *mtdata;
986 loadmodel->brush.data_textures = NULL;
988 // add two slots for notexture walls and notexture liquids
991 m = (dmiptexlump_t *)(mod_base + l->fileofs);
992 m->nummiptex = LittleLong (m->nummiptex);
993 loadmodel->brush.num_textures = m->nummiptex + 2;
998 loadmodel->brush.num_textures = 2;
1001 loadmodel->brush.data_textures = Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_textures * sizeof(texture_t));
1003 // fill out all slots with notexture
1004 for (i = 0, tx = loadmodel->brush.data_textures;i < loadmodel->brush.num_textures;i++, tx++)
1006 strcpy(tx->name, "NO TEXTURE FOUND");
1009 tx->skin.base = r_texture_notexture;
1010 if (i == loadmodel->brush.num_textures - 1)
1012 tx->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_LIGHTBOTHSIDES;
1013 tx->supercontents = SUPERCONTENTS_WATER;
1017 tx->basematerialflags |= MATERIALFLAG_WALL;
1018 tx->supercontents = SUPERCONTENTS_SOLID;
1020 tx->basematerialflags = 0;
1021 tx->currentframe = tx;
1027 // just to work around bounds checking when debugging with it (array index out of bounds error thing)
1029 // LordHavoc: mostly rewritten map texture loader
1030 for (i = 0;i < m->nummiptex;i++)
1032 dofs[i] = LittleLong(dofs[i]);
1033 if (dofs[i] == -1 || r_nosurftextures.integer)
1035 dmiptex = (miptex_t *)((qbyte *)m + dofs[i]);
1037 // make sure name is no more than 15 characters
1038 for (j = 0;dmiptex->name[j] && j < 15;j++)
1039 name[j] = dmiptex->name[j];
1042 mtwidth = LittleLong(dmiptex->width);
1043 mtheight = LittleLong(dmiptex->height);
1045 j = LittleLong(dmiptex->offsets[0]);
1049 if (j < 40 || j + mtwidth * mtheight > l->filelen)
1051 Con_Printf("Texture \"%s\" in \"%s\"is corrupt or incomplete\n", dmiptex->name, loadmodel->name);
1054 mtdata = (qbyte *)dmiptex + j;
1057 if ((mtwidth & 15) || (mtheight & 15))
1058 Con_Printf("warning: texture \"%s\" in \"%s\" is not 16 aligned\n", dmiptex->name, loadmodel->name);
1060 // LordHavoc: force all names to lowercase
1061 for (j = 0;name[j];j++)
1062 if (name[j] >= 'A' && name[j] <= 'Z')
1063 name[j] += 'a' - 'A';
1065 tx = loadmodel->brush.data_textures + i;
1066 strcpy(tx->name, name);
1067 tx->width = mtwidth;
1068 tx->height = mtheight;
1072 sprintf(tx->name, "unnamed%i", i);
1073 Con_Printf("warning: unnamed texture in %s, renaming to %s\n", loadmodel->name, tx->name);
1076 // LordHavoc: HL sky textures are entirely different than quake
1077 if (!loadmodel->brush.ishlbsp && !strncmp(tx->name, "sky", 3) && mtwidth == 256 && mtheight == 128)
1079 if (loadmodel->isworldmodel)
1081 data = loadimagepixels(tx->name, false, 0, 0);
1084 R_Q1BSP_LoadSplitSky(data, image_width, image_height, 4);
1087 else if (mtdata != NULL)
1088 R_Q1BSP_LoadSplitSky(mtdata, mtwidth, mtheight, 1);
1093 if (!Mod_LoadSkinFrame(&tx->skin, tx->name, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, false, tx->name[0] != '*', true))
1095 // did not find external texture, load it from the bsp or wad3
1096 if (loadmodel->brush.ishlbsp)
1098 // internal texture overrides wad
1099 qbyte *pixels, *freepixels, *fogpixels;
1100 pixels = freepixels = NULL;
1102 pixels = W_ConvertWAD3Texture(dmiptex);
1104 pixels = freepixels = W_GetTexture(tx->name);
1107 tx->width = image_width;
1108 tx->height = image_height;
1109 tx->skin.base = tx->skin.merged = R_LoadTexture2D(loadmodel->texturepool, tx->name, image_width, image_height, pixels, TEXTYPE_RGBA, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, NULL);
1110 if (Image_CheckAlpha(pixels, image_width * image_height, true))
1112 fogpixels = Mem_Alloc(tempmempool, image_width * image_height * 4);
1113 for (j = 0;j < image_width * image_height * 4;j += 4)
1115 fogpixels[j + 0] = 255;
1116 fogpixels[j + 1] = 255;
1117 fogpixels[j + 2] = 255;
1118 fogpixels[j + 3] = pixels[j + 3];
1120 tx->skin.fog = R_LoadTexture2D(loadmodel->texturepool, tx->name, image_width, image_height, pixels, TEXTYPE_RGBA, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, NULL);
1121 Mem_Free(fogpixels);
1125 Mem_Free(freepixels);
1127 else if (mtdata) // texture included
1128 Mod_LoadSkinFrame_Internal(&tx->skin, tx->name, TEXF_MIPMAP | TEXF_PRECACHE | TEXF_PICMIP, false, tx->name[0] != '*', tx->name[0] != '*' && r_fullbrights.integer, mtdata, tx->width, tx->height);
1131 if (tx->skin.base == NULL)
1136 tx->skin.base = r_texture_notexture;
1139 tx->basematerialflags = 0;
1140 if (tx->name[0] == '*')
1142 // turb does not block movement
1143 tx->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_LIGHTBOTHSIDES;
1144 // LordHavoc: some turbulent textures should be fullbright and solid
1145 if (!strncmp(tx->name,"*lava",5)
1146 || !strncmp(tx->name,"*teleport",9)
1147 || !strncmp(tx->name,"*rift",5)) // Scourge of Armagon texture
1148 tx->basematerialflags |= MATERIALFLAG_FULLBRIGHT;
1150 tx->basematerialflags |= MATERIALFLAG_WATERALPHA;
1151 if (!strncmp(tx->name, "*lava", 5))
1152 tx->supercontents = SUPERCONTENTS_LAVA;
1153 else if (!strncmp(tx->name, "*slime", 6))
1154 tx->supercontents = SUPERCONTENTS_SLIME;
1156 tx->supercontents = SUPERCONTENTS_WATER;
1158 else if (tx->name[0] == 's' && tx->name[1] == 'k' && tx->name[2] == 'y')
1160 tx->supercontents = SUPERCONTENTS_SKY;
1161 tx->basematerialflags |= MATERIALFLAG_SKY;
1165 tx->supercontents = SUPERCONTENTS_SOLID;
1166 tx->basematerialflags |= MATERIALFLAG_WALL;
1169 tx->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_TRANSPARENT;
1171 // start out with no animation
1172 tx->currentframe = tx;
1175 // sequence the animations
1176 for (i = 0;i < m->nummiptex;i++)
1178 tx = loadmodel->brush.data_textures + i;
1179 if (!tx || tx->name[0] != '+' || tx->name[1] == 0 || tx->name[2] == 0)
1181 if (tx->anim_total[0] || tx->anim_total[1])
1182 continue; // already sequenced
1184 // find the number of frames in the animation
1185 memset(anims, 0, sizeof(anims));
1186 memset(altanims, 0, sizeof(altanims));
1188 for (j = i;j < m->nummiptex;j++)
1190 tx2 = loadmodel->brush.data_textures + j;
1191 if (!tx2 || tx2->name[0] != '+' || strcmp(tx2->name+2, tx->name+2))
1195 if (num >= '0' && num <= '9')
1196 anims[num - '0'] = tx2;
1197 else if (num >= 'a' && num <= 'j')
1198 altanims[num - 'a'] = tx2;
1200 Con_Printf("Bad animating texture %s\n", tx->name);
1204 for (j = 0;j < 10;j++)
1211 //Con_Printf("linking animation %s (%i:%i frames)\n\n", tx->name, max, altmax);
1214 for (j = 0;j < max;j++)
1218 Con_Printf("Missing frame %i of %s\n", j, tx->name);
1222 for (j = 0;j < altmax;j++)
1226 Con_Printf("Missing altframe %i of %s\n", j, tx->name);
1235 // if there is no alternate animation, duplicate the primary
1236 // animation into the alternate
1238 for (k = 0;k < 10;k++)
1239 altanims[k] = anims[k];
1242 // link together the primary animation
1243 for (j = 0;j < max;j++)
1246 tx2->animated = true;
1247 tx2->anim_total[0] = max;
1248 tx2->anim_total[1] = altmax;
1249 for (k = 0;k < 10;k++)
1251 tx2->anim_frames[0][k] = anims[k];
1252 tx2->anim_frames[1][k] = altanims[k];
1256 // if there really is an alternate anim...
1257 if (anims[0] != altanims[0])
1259 // link together the alternate animation
1260 for (j = 0;j < altmax;j++)
1263 tx2->animated = true;
1264 // the primary/alternate are reversed here
1265 tx2->anim_total[0] = altmax;
1266 tx2->anim_total[1] = max;
1267 for (k = 0;k < 10;k++)
1269 tx2->anim_frames[0][k] = altanims[k];
1270 tx2->anim_frames[1][k] = anims[k];
1277 static void Mod_Q1BSP_LoadLighting(lump_t *l)
1280 qbyte *in, *out, *data, d;
1281 char litfilename[1024];
1282 loadmodel->brushq1.lightdata = NULL;
1283 if (loadmodel->brush.ishlbsp) // LordHavoc: load the colored lighting data straight
1285 loadmodel->brushq1.lightdata = Mem_Alloc(loadmodel->mempool, l->filelen);
1286 for (i=0; i<l->filelen; i++)
1287 loadmodel->brushq1.lightdata[i] = mod_base[l->fileofs+i] >>= 1;
1289 else // LordHavoc: bsp version 29 (normal white lighting)
1291 // LordHavoc: hope is not lost yet, check for a .lit file to load
1292 strlcpy (litfilename, loadmodel->name, sizeof (litfilename));
1293 FS_StripExtension (litfilename, litfilename, sizeof (litfilename));
1294 strlcat (litfilename, ".lit", sizeof (litfilename));
1295 data = (qbyte*) FS_LoadFile(litfilename, tempmempool, false);
1298 if (fs_filesize > 8 && data[0] == 'Q' && data[1] == 'L' && data[2] == 'I' && data[3] == 'T')
1300 i = LittleLong(((int *)data)[1]);
1303 Con_DPrintf("loaded %s\n", litfilename);
1304 loadmodel->brushq1.lightdata = Mem_Alloc(loadmodel->mempool, fs_filesize - 8);
1305 memcpy(loadmodel->brushq1.lightdata, data + 8, fs_filesize - 8);
1311 Con_Printf("Unknown .lit file version (%d)\n", i);
1317 if (fs_filesize == 8)
1318 Con_Print("Empty .lit file, ignoring\n");
1320 Con_Print("Corrupt .lit file (old version?), ignoring\n");
1324 // LordHavoc: oh well, expand the white lighting data
1327 loadmodel->brushq1.lightdata = Mem_Alloc(loadmodel->mempool, l->filelen*3);
1328 in = loadmodel->brushq1.lightdata + l->filelen*2; // place the file at the end, so it will not be overwritten until the very last write
1329 out = loadmodel->brushq1.lightdata;
1330 memcpy(in, mod_base + l->fileofs, l->filelen);
1331 for (i = 0;i < l->filelen;i++)
1341 static void Mod_Q1BSP_LoadLightList(void)
1343 int a, n, numlights;
1344 char tempchar, *s, *t, *lightsstring, lightsfilename[1024];
1347 strlcpy (lightsfilename, loadmodel->name, sizeof (lightsfilename));
1348 FS_StripExtension (lightsfilename, lightsfilename, sizeof(lightsfilename));
1349 strlcat (lightsfilename, ".lights", sizeof (lightsfilename));
1350 s = lightsstring = (char *) FS_LoadFile(lightsfilename, tempmempool, false);
1356 while (*s && *s != '\n' && *s != '\r')
1360 Mem_Free(lightsstring);
1361 Con_Printf("lights file must end with a newline\n");
1367 loadmodel->brushq1.lights = Mem_Alloc(loadmodel->mempool, numlights * sizeof(mlight_t));
1370 while (*s && n < numlights)
1373 while (*s && *s != '\n' && *s != '\r')
1377 Con_Printf("misparsed lights file!\n");
1380 e = loadmodel->brushq1.lights + n;
1383 a = sscanf(t, "%f %f %f %f %f %f %f %f %f %f %f %f %f %d", &e->origin[0], &e->origin[1], &e->origin[2], &e->falloff, &e->light[0], &e->light[1], &e->light[2], &e->subtract, &e->spotdir[0], &e->spotdir[1], &e->spotdir[2], &e->spotcone, &e->distbias, &e->style);
1387 Con_Printf("invalid lights file, found %d parameters on line %i, should be 14 parameters (origin[0] origin[1] origin[2] falloff light[0] light[1] light[2] subtract spotdir[0] spotdir[1] spotdir[2] spotcone distancebias style)\n", a, n + 1);
1397 Con_Printf("misparsed lights file!\n");
1398 loadmodel->brushq1.numlights = numlights;
1399 Mem_Free(lightsstring);
1403 static void Mod_Q1BSP_LoadVisibility(lump_t *l)
1405 loadmodel->brushq1.num_compressedpvs = 0;
1406 loadmodel->brushq1.data_compressedpvs = NULL;
1409 loadmodel->brushq1.num_compressedpvs = l->filelen;
1410 loadmodel->brushq1.data_compressedpvs = Mem_Alloc(loadmodel->mempool, l->filelen);
1411 memcpy(loadmodel->brushq1.data_compressedpvs, mod_base + l->fileofs, l->filelen);
1414 // used only for HalfLife maps
1415 static void Mod_Q1BSP_ParseWadsFromEntityLump(const char *data)
1417 char key[128], value[4096];
1422 if (!COM_ParseToken(&data, false))
1424 if (com_token[0] != '{')
1428 if (!COM_ParseToken(&data, false))
1430 if (com_token[0] == '}')
1431 break; // end of worldspawn
1432 if (com_token[0] == '_')
1433 strcpy(key, com_token + 1);
1435 strcpy(key, com_token);
1436 while (key[strlen(key)-1] == ' ') // remove trailing spaces
1437 key[strlen(key)-1] = 0;
1438 if (!COM_ParseToken(&data, false))
1440 strcpy(value, com_token);
1441 if (!strcmp("wad", key)) // for HalfLife maps
1443 if (loadmodel->brush.ishlbsp)
1446 for (i = 0;i < 4096;i++)
1447 if (value[i] != ';' && value[i] != '\\' && value[i] != '/' && value[i] != ':')
1453 // ignore path - the \\ check is for HalfLife... stupid windoze 'programmers'...
1454 if (value[i] == '\\' || value[i] == '/' || value[i] == ':')
1456 else if (value[i] == ';' || value[i] == 0)
1460 strcpy(wadname, "textures/");
1461 strcat(wadname, &value[j]);
1462 W_LoadTextureWadFile(wadname, false);
1474 static void Mod_Q1BSP_LoadEntities(lump_t *l)
1476 loadmodel->brush.entities = NULL;
1479 loadmodel->brush.entities = Mem_Alloc(loadmodel->mempool, l->filelen);
1480 memcpy(loadmodel->brush.entities, mod_base + l->fileofs, l->filelen);
1481 if (loadmodel->brush.ishlbsp)
1482 Mod_Q1BSP_ParseWadsFromEntityLump(loadmodel->brush.entities);
1486 static void Mod_Q1BSP_LoadVertexes(lump_t *l)
1492 in = (void *)(mod_base + l->fileofs);
1493 if (l->filelen % sizeof(*in))
1494 Host_Error("Mod_Q1BSP_LoadVertexes: funny lump size in %s",loadmodel->name);
1495 count = l->filelen / sizeof(*in);
1496 out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
1498 loadmodel->brushq1.vertexes = out;
1499 loadmodel->brushq1.numvertexes = count;
1501 for ( i=0 ; i<count ; i++, in++, out++)
1503 out->position[0] = LittleFloat(in->point[0]);
1504 out->position[1] = LittleFloat(in->point[1]);
1505 out->position[2] = LittleFloat(in->point[2]);
1509 static void Mod_Q1BSP_LoadSubmodels(lump_t *l)
1515 in = (void *)(mod_base + l->fileofs);
1516 if (l->filelen % sizeof(*in))
1517 Host_Error("Mod_Q1BSP_LoadSubmodels: funny lump size in %s",loadmodel->name);
1518 count = l->filelen / sizeof(*in);
1519 out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
1521 loadmodel->brushq1.submodels = out;
1522 loadmodel->brush.numsubmodels = count;
1524 for ( i=0 ; i<count ; i++, in++, out++)
1526 for (j=0 ; j<3 ; j++)
1528 // spread the mins / maxs by a pixel
1529 out->mins[j] = LittleFloat(in->mins[j]) - 1;
1530 out->maxs[j] = LittleFloat(in->maxs[j]) + 1;
1531 out->origin[j] = LittleFloat(in->origin[j]);
1533 for (j=0 ; j<MAX_MAP_HULLS ; j++)
1534 out->headnode[j] = LittleLong(in->headnode[j]);
1535 out->visleafs = LittleLong(in->visleafs);
1536 out->firstface = LittleLong(in->firstface);
1537 out->numfaces = LittleLong(in->numfaces);
1541 static void Mod_Q1BSP_LoadEdges(lump_t *l)
1547 in = (void *)(mod_base + l->fileofs);
1548 if (l->filelen % sizeof(*in))
1549 Host_Error("Mod_Q1BSP_LoadEdges: funny lump size in %s",loadmodel->name);
1550 count = l->filelen / sizeof(*in);
1551 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
1553 loadmodel->brushq1.edges = out;
1554 loadmodel->brushq1.numedges = count;
1556 for ( i=0 ; i<count ; i++, in++, out++)
1558 out->v[0] = (unsigned short)LittleShort(in->v[0]);
1559 out->v[1] = (unsigned short)LittleShort(in->v[1]);
1563 static void Mod_Q1BSP_LoadTexinfo(lump_t *l)
1567 int i, j, k, count, miptex;
1569 in = (void *)(mod_base + l->fileofs);
1570 if (l->filelen % sizeof(*in))
1571 Host_Error("Mod_Q1BSP_LoadTexinfo: funny lump size in %s",loadmodel->name);
1572 count = l->filelen / sizeof(*in);
1573 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
1575 loadmodel->brushq1.texinfo = out;
1576 loadmodel->brushq1.numtexinfo = count;
1578 for (i = 0;i < count;i++, in++, out++)
1580 for (k = 0;k < 2;k++)
1581 for (j = 0;j < 4;j++)
1582 out->vecs[k][j] = LittleFloat(in->vecs[k][j]);
1584 miptex = LittleLong(in->miptex);
1585 out->flags = LittleLong(in->flags);
1587 out->texture = NULL;
1588 if (loadmodel->brush.data_textures)
1590 if ((unsigned int) miptex >= (unsigned int) loadmodel->brush.num_textures)
1591 Con_Printf("error in model \"%s\": invalid miptex index %i(of %i)\n", loadmodel->name, miptex, loadmodel->brush.num_textures);
1593 out->texture = loadmodel->brush.data_textures + miptex;
1595 if (out->flags & TEX_SPECIAL)
1597 // if texture chosen is NULL or the shader needs a lightmap,
1598 // force to notexture water shader
1599 if (out->texture == NULL || out->texture->basematerialflags & MATERIALFLAG_WALL)
1600 out->texture = loadmodel->brush.data_textures + (loadmodel->brush.num_textures - 1);
1604 // if texture chosen is NULL, force to notexture
1605 if (out->texture == NULL)
1606 out->texture = loadmodel->brush.data_textures + (loadmodel->brush.num_textures - 2);
1612 void BoundPoly(int numverts, float *verts, vec3_t mins, vec3_t maxs)
1617 mins[0] = mins[1] = mins[2] = 9999;
1618 maxs[0] = maxs[1] = maxs[2] = -9999;
1620 for (i = 0;i < numverts;i++)
1622 for (j = 0;j < 3;j++, v++)
1632 #define MAX_SUBDIVPOLYTRIANGLES 4096
1633 #define MAX_SUBDIVPOLYVERTS(MAX_SUBDIVPOLYTRIANGLES * 3)
1635 static int subdivpolyverts, subdivpolytriangles;
1636 static int subdivpolyindex[MAX_SUBDIVPOLYTRIANGLES][3];
1637 static float subdivpolyvert[MAX_SUBDIVPOLYVERTS][3];
1639 static int subdivpolylookupvert(vec3_t v)
1642 for (i = 0;i < subdivpolyverts;i++)
1643 if (subdivpolyvert[i][0] == v[0]
1644 && subdivpolyvert[i][1] == v[1]
1645 && subdivpolyvert[i][2] == v[2])
1647 if (subdivpolyverts >= MAX_SUBDIVPOLYVERTS)
1648 Host_Error("SubDividePolygon: ran out of vertices in buffer, please increase your r_subdivide_size");
1649 VectorCopy(v, subdivpolyvert[subdivpolyverts]);
1650 return subdivpolyverts++;
1653 static void SubdividePolygon(int numverts, float *verts)
1655 int i, i1, i2, i3, f, b, c, p;
1656 vec3_t mins, maxs, front[256], back[256];
1657 float m, *pv, *cv, dist[256], frac;
1660 Host_Error("SubdividePolygon: ran out of verts in buffer");
1662 BoundPoly(numverts, verts, mins, maxs);
1664 for (i = 0;i < 3;i++)
1666 m = (mins[i] + maxs[i]) * 0.5;
1667 m = r_subdivide_size.value * floor(m/r_subdivide_size.value + 0.5);
1668 if (maxs[i] - m < 8)
1670 if (m - mins[i] < 8)
1674 for (cv = verts, c = 0;c < numverts;c++, cv += 3)
1675 dist[c] = cv[i] - m;
1678 for (p = numverts - 1, c = 0, pv = verts + p * 3, cv = verts;c < numverts;p = c, c++, pv = cv, cv += 3)
1682 VectorCopy(pv, front[f]);
1687 VectorCopy(pv, back[b]);
1690 if (dist[p] == 0 || dist[c] == 0)
1692 if ((dist[p] > 0) != (dist[c] > 0) )
1695 frac = dist[p] / (dist[p] - dist[c]);
1696 front[f][0] = back[b][0] = pv[0] + frac * (cv[0] - pv[0]);
1697 front[f][1] = back[b][1] = pv[1] + frac * (cv[1] - pv[1]);
1698 front[f][2] = back[b][2] = pv[2] + frac * (cv[2] - pv[2]);
1704 SubdividePolygon(f, front[0]);
1705 SubdividePolygon(b, back[0]);
1709 i1 = subdivpolylookupvert(verts);
1710 i2 = subdivpolylookupvert(verts + 3);
1711 for (i = 2;i < numverts;i++)
1713 if (subdivpolytriangles >= MAX_SUBDIVPOLYTRIANGLES)
1715 Con_Print("SubdividePolygon: ran out of triangles in buffer, please increase your r_subdivide_size\n");
1719 i3 = subdivpolylookupvert(verts + i * 3);
1720 subdivpolyindex[subdivpolytriangles][0] = i1;
1721 subdivpolyindex[subdivpolytriangles][1] = i2;
1722 subdivpolyindex[subdivpolytriangles][2] = i3;
1724 subdivpolytriangles++;
1728 //Breaks a polygon up along axial 64 unit
1729 //boundaries so that turbulent and sky warps
1730 //can be done reasonably.
1731 static void Mod_Q1BSP_GenerateWarpMesh(msurface_t *surface)
1737 subdivpolytriangles = 0;
1738 subdivpolyverts = 0;
1739 SubdividePolygon(surface->num_vertices, (surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex));
1740 if (subdivpolytriangles < 1)
1741 Host_Error("Mod_Q1BSP_GenerateWarpMesh: no triangles?\n");
1743 surface->mesh = mesh = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t) + subdivpolytriangles * sizeof(int[3]) + subdivpolyverts * sizeof(surfvertex_t));
1744 mesh->num_vertices = subdivpolyverts;
1745 mesh->num_triangles = subdivpolytriangles;
1746 mesh->vertex = (surfvertex_t *)(mesh + 1);
1747 mesh->index = (int *)(mesh->vertex + mesh->num_vertices);
1748 memset(mesh->vertex, 0, mesh->num_vertices * sizeof(surfvertex_t));
1750 for (i = 0;i < mesh->num_triangles;i++)
1751 for (j = 0;j < 3;j++)
1752 mesh->index[i*3+j] = subdivpolyindex[i][j];
1754 for (i = 0, v = mesh->vertex;i < subdivpolyverts;i++, v++)
1756 VectorCopy(subdivpolyvert[i], v->v);
1757 v->st[0] = DotProduct(v->v, surface->lightmapinfo->texinfo->vecs[0]);
1758 v->st[1] = DotProduct(v->v, surface->lightmapinfo->texinfo->vecs[1]);
1763 static void Mod_Q1BSP_LoadFaces(lump_t *l)
1766 msurface_t *surface;
1767 int i, j, count, surfacenum, planenum, smax, tmax, ssize, tsize, firstedge, numedges, totalverts, totaltris;
1768 float texmins[2], texmaxs[2], val;
1770 in = (void *)(mod_base + l->fileofs);
1771 if (l->filelen % sizeof(*in))
1772 Host_Error("Mod_Q1BSP_LoadFaces: funny lump size in %s",loadmodel->name);
1773 count = l->filelen / sizeof(*in);
1774 loadmodel->brush.data_surfaces = Mem_Alloc(loadmodel->mempool, count*sizeof(msurface_t));
1775 loadmodel->brush.data_surfaces_lightmapinfo = Mem_Alloc(loadmodel->mempool, count*sizeof(msurface_lightmapinfo_t));
1777 loadmodel->brush.num_surfaces = count;
1781 for (surfacenum = 0, in = (void *)(mod_base + l->fileofs);surfacenum < count;surfacenum++, in++)
1783 numedges = LittleShort(in->numedges);
1784 totalverts += numedges;
1785 totaltris += numedges - 2;
1788 // TODO: split up into multiple meshes as needed to avoid exceeding 65536
1790 loadmodel->nummeshes = 1;
1791 loadmodel->meshlist = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t *));
1792 loadmodel->meshlist[0] = Mod_AllocSurfMesh(loadmodel->mempool, totalverts, totaltris, true, true, false, false);
1796 for (surfacenum = 0, in = (void *)(mod_base + l->fileofs), surface = loadmodel->brush.data_surfaces;surfacenum < count;surfacenum++, in++, surface++)
1798 surface->lightmapinfo = loadmodel->brush.data_surfaces_lightmapinfo + surfacenum;
1800 // FIXME: validate edges, texinfo, etc?
1801 firstedge = LittleLong(in->firstedge);
1802 numedges = LittleShort(in->numedges);
1803 if ((unsigned int) firstedge > (unsigned int) loadmodel->brushq1.numsurfedges || (unsigned int) numedges > (unsigned int) loadmodel->brushq1.numsurfedges || (unsigned int) firstedge + (unsigned int) numedges > (unsigned int) loadmodel->brushq1.numsurfedges)
1804 Host_Error("Mod_Q1BSP_LoadFaces: invalid edge range (firstedge %i, numedges %i, model edges %i)\n", firstedge, numedges, loadmodel->brushq1.numsurfedges);
1805 i = LittleShort(in->texinfo);
1806 if ((unsigned int) i >= (unsigned int) loadmodel->brushq1.numtexinfo)
1807 Host_Error("Mod_Q1BSP_LoadFaces: invalid texinfo index %i(model has %i texinfos)\n", i, loadmodel->brushq1.numtexinfo);
1808 surface->lightmapinfo->texinfo = loadmodel->brushq1.texinfo + i;
1809 surface->texture = surface->lightmapinfo->texinfo->texture;
1811 planenum = LittleShort(in->planenum);
1812 if ((unsigned int) planenum >= (unsigned int) loadmodel->brush.num_planes)
1813 Host_Error("Mod_Q1BSP_LoadFaces: invalid plane index %i (model has %i planes)\n", planenum, loadmodel->brush.num_planes);
1815 //surface->flags = surface->texture->flags;
1816 //if (LittleShort(in->side))
1817 // surface->flags |= SURF_PLANEBACK;
1818 //surface->plane = loadmodel->brush.data_planes + planenum;
1820 surface->groupmesh = loadmodel->meshlist[0];
1821 surface->num_firstvertex = totalverts;
1822 surface->num_vertices = numedges;
1823 surface->num_firsttriangle = totaltris;
1824 surface->num_triangles = numedges - 2;
1825 totalverts += numedges;
1826 totaltris += numedges - 2;
1828 // convert edges back to a normal polygon
1829 for (i = 0;i < surface->num_vertices;i++)
1831 int lindex = loadmodel->brushq1.surfedges[firstedge + i];
1834 VectorCopy(loadmodel->brushq1.vertexes[loadmodel->brushq1.edges[lindex].v[0]].position, (surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + i * 3);
1836 VectorCopy(loadmodel->brushq1.vertexes[loadmodel->brushq1.edges[-lindex].v[1]].position, (surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + i * 3);
1837 s = DotProduct(((surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + i * 3), surface->lightmapinfo->texinfo->vecs[0]) + surface->lightmapinfo->texinfo->vecs[0][3];
1838 t = DotProduct(((surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + i * 3), surface->lightmapinfo->texinfo->vecs[1]) + surface->lightmapinfo->texinfo->vecs[1][3];
1839 (surface->groupmesh->data_texcoordtexture2f + 2 * surface->num_firstvertex)[i * 2 + 0] = s / surface->texture->width;
1840 (surface->groupmesh->data_texcoordtexture2f + 2 * surface->num_firstvertex)[i * 2 + 1] = t / surface->texture->height;
1841 (surface->groupmesh->data_texcoorddetail2f + 2 * surface->num_firstvertex)[i * 2 + 0] = s * (1.0f / 16.0f);
1842 (surface->groupmesh->data_texcoorddetail2f + 2 * surface->num_firstvertex)[i * 2 + 1] = t * (1.0f / 16.0f);
1843 (surface->groupmesh->data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 0] = 0;
1844 (surface->groupmesh->data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 1] = 0;
1845 (surface->groupmesh->data_lightmapoffsets + surface->num_firstvertex)[i] = 0;
1848 for (i = 0;i < surface->num_triangles;i++)
1850 (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle)[i * 3 + 0] = 0;
1851 (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle)[i * 3 + 1] = i + 1;
1852 (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle)[i * 3 + 2] = i + 2;
1855 // compile additional data about the surface geometry
1856 Mod_BuildTextureVectorsAndNormals(surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex), (surface->groupmesh->data_texcoordtexture2f + 2 * surface->num_firstvertex), (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle), (surface->groupmesh->data_svector3f + 3 * surface->num_firstvertex), (surface->groupmesh->data_tvector3f + 3 * surface->num_firstvertex), (surface->groupmesh->data_normal3f + 3 * surface->num_firstvertex));
1857 BoxFromPoints(surface->mins, surface->maxs, surface->num_vertices, (surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex));
1859 // generate surface extents information
1860 texmins[0] = texmaxs[0] = DotProduct((surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex), surface->lightmapinfo->texinfo->vecs[0]) + surface->lightmapinfo->texinfo->vecs[0][3];
1861 texmins[1] = texmaxs[1] = DotProduct((surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex), surface->lightmapinfo->texinfo->vecs[1]) + surface->lightmapinfo->texinfo->vecs[1][3];
1862 for (i = 1;i < surface->num_vertices;i++)
1864 for (j = 0;j < 2;j++)
1866 val = DotProduct((surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + i * 3, surface->lightmapinfo->texinfo->vecs[j]) + surface->lightmapinfo->texinfo->vecs[j][3];
1867 texmins[j] = min(texmins[j], val);
1868 texmaxs[j] = max(texmaxs[j], val);
1871 for (i = 0;i < 2;i++)
1873 surface->lightmapinfo->texturemins[i] = (int) floor(texmins[i] / 16.0) * 16;
1874 surface->lightmapinfo->extents[i] = (int) ceil(texmaxs[i] / 16.0) * 16 - surface->lightmapinfo->texturemins[i];
1877 smax = surface->lightmapinfo->extents[0] >> 4;
1878 tmax = surface->lightmapinfo->extents[1] >> 4;
1879 ssize = (surface->lightmapinfo->extents[0] >> 4) + 1;
1880 tsize = (surface->lightmapinfo->extents[1] >> 4) + 1;
1883 for (i = 0;i < MAXLIGHTMAPS;i++)
1884 surface->lightmapinfo->styles[i] = in->styles[i];
1885 // force lightmap upload on first time seeing the surface
1886 surface->cached_dlight = true;
1887 surface->lightmapinfo->lightmaptexturestride = 0;
1888 surface->lightmaptexture = NULL;
1889 i = LittleLong(in->lightofs);
1892 surface->lightmapinfo->samples = NULL;
1893 // give non-lightmapped water a 1x white lightmap
1894 if ((surface->texture->basematerialflags & MATERIALFLAG_WATER) && (surface->lightmapinfo->texinfo->flags & TEX_SPECIAL) && ssize <= 256 && tsize <= 256)
1896 surface->lightmapinfo->samples = Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
1897 surface->lightmapinfo->styles[0] = 0;
1898 memset(surface->lightmapinfo->samples, 128, ssize * tsize * 3);
1901 else if (loadmodel->brush.ishlbsp) // LordHavoc: HalfLife map (bsp version 30)
1902 surface->lightmapinfo->samples = loadmodel->brushq1.lightdata + i;
1903 else // LordHavoc: white lighting (bsp version 29)
1904 surface->lightmapinfo->samples = loadmodel->brushq1.lightdata + (i * 3);
1906 if (!(surface->lightmapinfo->texinfo->flags & TEX_SPECIAL) || surface->lightmapinfo->samples)
1909 float u, v, ubase, vbase, uscale, vscale;
1911 if (ssize > 256 || tsize > 256)
1912 Host_Error("Bad surface extents");
1913 // stainmap for permanent marks on walls
1914 surface->lightmapinfo->stainsamples = Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
1916 memset(surface->lightmapinfo->stainsamples, 255, ssize * tsize * 3);
1918 if (r_miplightmaps.integer)
1920 surface->lightmapinfo->lightmaptexturestride = ssize;
1921 surface->lightmaptexture = R_LoadTexture2D(loadmodel->texturepool, NULL, surface->lightmapinfo->lightmaptexturestride, tsize, NULL, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, TEXF_MIPMAP | TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
1925 surface->lightmapinfo->lightmaptexturestride = R_CompatibleFragmentWidth(ssize, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, 0);
1926 surface->lightmaptexture = R_LoadTexture2D(loadmodel->texturepool, NULL, surface->lightmapinfo->lightmaptexturestride, tsize, NULL, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, TEXF_FRAGMENT | TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
1928 R_FragmentLocation(surface->lightmaptexture, NULL, NULL, &ubase, &vbase, &uscale, &vscale);
1929 uscale = (uscale - ubase) / ssize;
1930 vscale = (vscale - vbase) / tsize;
1932 for (i = 0;i < surface->num_vertices;i++)
1934 u = ((DotProduct(((surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + i * 3), surface->lightmapinfo->texinfo->vecs[0]) + surface->lightmapinfo->texinfo->vecs[0][3]) + 8 - surface->lightmapinfo->texturemins[0]) * (1.0 / 16.0);
1935 v = ((DotProduct(((surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + i * 3), surface->lightmapinfo->texinfo->vecs[1]) + surface->lightmapinfo->texinfo->vecs[1][3]) + 8 - surface->lightmapinfo->texturemins[1]) * (1.0 / 16.0);
1936 (surface->groupmesh->data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 0] = u * uscale + ubase;
1937 (surface->groupmesh->data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 1] = v * vscale + vbase;
1938 // LordHavoc: calc lightmap data offset for vertex lighting to use
1941 (surface->groupmesh->data_lightmapoffsets + surface->num_firstvertex)[i] = (bound(0, iv, tmax) * ssize + bound(0, iu, smax)) * 3;
1947 static void Mod_Q1BSP_LoadNodes_RecursiveSetParent(mnode_t *node, mnode_t *parent)
1950 // Host_Error("Mod_Q1BSP_LoadNodes_RecursiveSetParent: runaway recursion\n");
1951 node->parent = parent;
1954 Mod_Q1BSP_LoadNodes_RecursiveSetParent(node->children[0], node);
1955 Mod_Q1BSP_LoadNodes_RecursiveSetParent(node->children[1], node);
1959 static void Mod_Q1BSP_LoadNodes(lump_t *l)
1965 in = (void *)(mod_base + l->fileofs);
1966 if (l->filelen % sizeof(*in))
1967 Host_Error("Mod_Q1BSP_LoadNodes: funny lump size in %s",loadmodel->name);
1968 count = l->filelen / sizeof(*in);
1969 out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
1971 loadmodel->brush.data_nodes = out;
1972 loadmodel->brush.num_nodes = count;
1974 for ( i=0 ; i<count ; i++, in++, out++)
1976 for (j=0 ; j<3 ; j++)
1978 out->mins[j] = LittleShort(in->mins[j]);
1979 out->maxs[j] = LittleShort(in->maxs[j]);
1982 p = LittleLong(in->planenum);
1983 out->plane = loadmodel->brush.data_planes + p;
1985 out->firstsurface = LittleShort(in->firstface);
1986 out->numsurfaces = LittleShort(in->numfaces);
1988 for (j=0 ; j<2 ; j++)
1990 p = LittleShort(in->children[j]);
1992 out->children[j] = loadmodel->brush.data_nodes + p;
1994 out->children[j] = (mnode_t *)(loadmodel->brush.data_leafs + (-1 - p));
1998 Mod_Q1BSP_LoadNodes_RecursiveSetParent(loadmodel->brush.data_nodes, NULL); // sets nodes and leafs
2001 static void Mod_Q1BSP_LoadLeafs(lump_t *l)
2007 in = (void *)(mod_base + l->fileofs);
2008 if (l->filelen % sizeof(*in))
2009 Host_Error("Mod_Q1BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
2010 count = l->filelen / sizeof(*in);
2011 out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
2013 loadmodel->brush.data_leafs = out;
2014 loadmodel->brush.num_leafs = count;
2015 // get visleafs from the submodel data
2016 loadmodel->brush.num_pvsclusters = loadmodel->brushq1.submodels[0].visleafs;
2017 loadmodel->brush.num_pvsclusterbytes = (loadmodel->brush.num_pvsclusters+7)>>3;
2018 loadmodel->brush.data_pvsclusters = Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_pvsclusters * loadmodel->brush.num_pvsclusterbytes);
2019 memset(loadmodel->brush.data_pvsclusters, 0xFF, loadmodel->brush.num_pvsclusters * loadmodel->brush.num_pvsclusterbytes);
2021 for ( i=0 ; i<count ; i++, in++, out++)
2023 for (j=0 ; j<3 ; j++)
2025 out->mins[j] = LittleShort(in->mins[j]);
2026 out->maxs[j] = LittleShort(in->maxs[j]);
2029 // FIXME: this function could really benefit from some error checking
2031 out->contents = LittleLong(in->contents);
2033 out->firstleafsurface = loadmodel->brush.data_leafsurfaces + LittleShort(in->firstmarksurface);
2034 out->numleafsurfaces = LittleShort(in->nummarksurfaces);
2035 if (out->firstleafsurface < 0 || LittleShort(in->firstmarksurface) + out->numleafsurfaces > loadmodel->brush.num_leafsurfaces)
2037 Con_Printf("Mod_Q1BSP_LoadLeafs: invalid leafsurface range %i:%i outside range %i:%i\n", out->firstleafsurface, out->firstleafsurface + out->numleafsurfaces, 0, loadmodel->brush.num_leafsurfaces);
2038 out->firstleafsurface = NULL;
2039 out->numleafsurfaces = 0;
2042 out->clusterindex = i - 1;
2043 if (out->clusterindex >= loadmodel->brush.num_pvsclusters)
2044 out->clusterindex = -1;
2046 p = LittleLong(in->visofs);
2047 // ignore visofs errors on leaf 0 (solid)
2048 if (p >= 0 && out->clusterindex >= 0)
2050 if (p >= loadmodel->brushq1.num_compressedpvs)
2051 Con_Print("Mod_Q1BSP_LoadLeafs: invalid visofs\n");
2053 Mod_Q1BSP_DecompressVis(loadmodel->brushq1.data_compressedpvs + p, loadmodel->brushq1.data_compressedpvs + loadmodel->brushq1.num_compressedpvs, loadmodel->brush.data_pvsclusters + out->clusterindex * loadmodel->brush.num_pvsclusterbytes, loadmodel->brush.data_pvsclusters + (out->clusterindex + 1) * loadmodel->brush.num_pvsclusterbytes);
2056 for (j = 0;j < 4;j++)
2057 out->ambient_sound_level[j] = in->ambient_level[j];
2059 // FIXME: Insert caustics here
2063 static void Mod_Q1BSP_LoadClipnodes(lump_t *l)
2065 dclipnode_t *in, *out;
2069 in = (void *)(mod_base + l->fileofs);
2070 if (l->filelen % sizeof(*in))
2071 Host_Error("Mod_Q1BSP_LoadClipnodes: funny lump size in %s",loadmodel->name);
2072 count = l->filelen / sizeof(*in);
2073 out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
2075 loadmodel->brushq1.clipnodes = out;
2076 loadmodel->brushq1.numclipnodes = count;
2078 if (loadmodel->brush.ishlbsp)
2080 hull = &loadmodel->brushq1.hulls[1];
2081 hull->clipnodes = out;
2082 hull->firstclipnode = 0;
2083 hull->lastclipnode = count-1;
2084 hull->planes = loadmodel->brush.data_planes;
2085 hull->clip_mins[0] = -16;
2086 hull->clip_mins[1] = -16;
2087 hull->clip_mins[2] = -36;
2088 hull->clip_maxs[0] = 16;
2089 hull->clip_maxs[1] = 16;
2090 hull->clip_maxs[2] = 36;
2091 VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
2093 hull = &loadmodel->brushq1.hulls[2];
2094 hull->clipnodes = out;
2095 hull->firstclipnode = 0;
2096 hull->lastclipnode = count-1;
2097 hull->planes = loadmodel->brush.data_planes;
2098 hull->clip_mins[0] = -32;
2099 hull->clip_mins[1] = -32;
2100 hull->clip_mins[2] = -32;
2101 hull->clip_maxs[0] = 32;
2102 hull->clip_maxs[1] = 32;
2103 hull->clip_maxs[2] = 32;
2104 VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
2106 hull = &loadmodel->brushq1.hulls[3];
2107 hull->clipnodes = out;
2108 hull->firstclipnode = 0;
2109 hull->lastclipnode = count-1;
2110 hull->planes = loadmodel->brush.data_planes;
2111 hull->clip_mins[0] = -16;
2112 hull->clip_mins[1] = -16;
2113 hull->clip_mins[2] = -18;
2114 hull->clip_maxs[0] = 16;
2115 hull->clip_maxs[1] = 16;
2116 hull->clip_maxs[2] = 18;
2117 VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
2121 hull = &loadmodel->brushq1.hulls[1];
2122 hull->clipnodes = out;
2123 hull->firstclipnode = 0;
2124 hull->lastclipnode = count-1;
2125 hull->planes = loadmodel->brush.data_planes;
2126 hull->clip_mins[0] = -16;
2127 hull->clip_mins[1] = -16;
2128 hull->clip_mins[2] = -24;
2129 hull->clip_maxs[0] = 16;
2130 hull->clip_maxs[1] = 16;
2131 hull->clip_maxs[2] = 32;
2132 VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
2134 hull = &loadmodel->brushq1.hulls[2];
2135 hull->clipnodes = out;
2136 hull->firstclipnode = 0;
2137 hull->lastclipnode = count-1;
2138 hull->planes = loadmodel->brush.data_planes;
2139 hull->clip_mins[0] = -32;
2140 hull->clip_mins[1] = -32;
2141 hull->clip_mins[2] = -24;
2142 hull->clip_maxs[0] = 32;
2143 hull->clip_maxs[1] = 32;
2144 hull->clip_maxs[2] = 64;
2145 VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
2148 for (i=0 ; i<count ; i++, out++, in++)
2150 out->planenum = LittleLong(in->planenum);
2151 out->children[0] = LittleShort(in->children[0]);
2152 out->children[1] = LittleShort(in->children[1]);
2153 if (out->children[0] >= count || out->children[1] >= count)
2154 Host_Error("Corrupt clipping hull(out of range child)\n");
2158 //Duplicate the drawing hull structure as a clipping hull
2159 static void Mod_Q1BSP_MakeHull0(void)
2166 hull = &loadmodel->brushq1.hulls[0];
2168 in = loadmodel->brush.data_nodes;
2169 out = Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_nodes * sizeof(dclipnode_t));
2171 hull->clipnodes = out;
2172 hull->firstclipnode = 0;
2173 hull->lastclipnode = loadmodel->brush.num_nodes - 1;
2174 hull->planes = loadmodel->brush.data_planes;
2176 for (i = 0;i < loadmodel->brush.num_nodes;i++, out++, in++)
2178 out->planenum = in->plane - loadmodel->brush.data_planes;
2179 out->children[0] = in->children[0]->plane ? in->children[0] - loadmodel->brush.data_nodes : ((mleaf_t *)in->children[0])->contents;
2180 out->children[1] = in->children[1]->plane ? in->children[1] - loadmodel->brush.data_nodes : ((mleaf_t *)in->children[1])->contents;
2184 static void Mod_Q1BSP_LoadLeaffaces(lump_t *l)
2189 in = (void *)(mod_base + l->fileofs);
2190 if (l->filelen % sizeof(*in))
2191 Host_Error("Mod_Q1BSP_LoadLeaffaces: funny lump size in %s",loadmodel->name);
2192 loadmodel->brush.num_leafsurfaces = l->filelen / sizeof(*in);
2193 loadmodel->brush.data_leafsurfaces = Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_leafsurfaces * sizeof(int));
2195 for (i = 0;i < loadmodel->brush.num_leafsurfaces;i++)
2197 j = (unsigned) LittleShort(in[i]);
2198 if (j >= loadmodel->brush.num_surfaces)
2199 Host_Error("Mod_Q1BSP_LoadLeaffaces: bad surface number");
2200 loadmodel->brush.data_leafsurfaces[i] = j;
2204 static void Mod_Q1BSP_LoadSurfedges(lump_t *l)
2209 in = (void *)(mod_base + l->fileofs);
2210 if (l->filelen % sizeof(*in))
2211 Host_Error("Mod_Q1BSP_LoadSurfedges: funny lump size in %s",loadmodel->name);
2212 loadmodel->brushq1.numsurfedges = l->filelen / sizeof(*in);
2213 loadmodel->brushq1.surfedges = Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.numsurfedges * sizeof(int));
2215 for (i = 0;i < loadmodel->brushq1.numsurfedges;i++)
2216 loadmodel->brushq1.surfedges[i] = LittleLong(in[i]);
2220 static void Mod_Q1BSP_LoadPlanes(lump_t *l)
2226 in = (void *)(mod_base + l->fileofs);
2227 if (l->filelen % sizeof(*in))
2228 Host_Error("Mod_Q1BSP_LoadPlanes: funny lump size in %s", loadmodel->name);
2230 loadmodel->brush.num_planes = l->filelen / sizeof(*in);
2231 loadmodel->brush.data_planes = out = Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_planes * sizeof(*out));
2233 for (i = 0;i < loadmodel->brush.num_planes;i++, in++, out++)
2235 out->normal[0] = LittleFloat(in->normal[0]);
2236 out->normal[1] = LittleFloat(in->normal[1]);
2237 out->normal[2] = LittleFloat(in->normal[2]);
2238 out->dist = LittleFloat(in->dist);
2244 static void Mod_Q1BSP_LoadMapBrushes(void)
2248 int submodel, numbrushes;
2249 qboolean firstbrush;
2250 char *text, *maptext;
2251 char mapfilename[MAX_QPATH];
2252 FS_StripExtension (loadmodel->name, mapfilename, sizeof (mapfilename));
2253 strlcat (mapfilename, ".map", sizeof (mapfilename));
2254 maptext = (qbyte*) FS_LoadFile(mapfilename, tempmempool, false);
2258 if (!COM_ParseToken(&data, false))
2263 if (!COM_ParseToken(&data, false))
2265 if (com_token[0] != '{')
2271 brushes = Mem_Alloc(loadmodel->mempool, maxbrushes * sizeof(mbrush_t));
2274 if (!COM_ParseToken(&data, false))
2276 if (com_token[0] == '}')
2277 break; // end of entity
2278 if (com_token[0] == '{')
2285 if (submodel > loadmodel->brush.numsubmodels)
2287 Con_Printf("Mod_Q1BSP_LoadMapBrushes: .map has more submodels than .bsp!\n");
2291 model = loadmodel->brush.submodels[submodel];
2298 if (!COM_ParseToken(&data, false))
2300 if (com_token[0] == '}')
2301 break; // end of brush
2302 // each brush face should be this format:
2303 // ( x y z ) ( x y z ) ( x y z ) texture scroll_s scroll_t rotateangle scale_s scale_t
2304 // FIXME: support hl .map format
2305 for (pointnum = 0;pointnum < 3;pointnum++)
2307 COM_ParseToken(&data, false);
2308 for (componentnum = 0;componentnum < 3;componentnum++)
2310 COM_ParseToken(&data, false);
2311 point[pointnum][componentnum] = atof(com_token);
2313 COM_ParseToken(&data, false);
2315 COM_ParseToken(&data, false);
2316 strlcpy(facetexture, com_token, sizeof(facetexture));
2317 COM_ParseToken(&data, false);
2318 //scroll_s = atof(com_token);
2319 COM_ParseToken(&data, false);
2320 //scroll_t = atof(com_token);
2321 COM_ParseToken(&data, false);
2322 //rotate = atof(com_token);
2323 COM_ParseToken(&data, false);
2324 //scale_s = atof(com_token);
2325 COM_ParseToken(&data, false);
2326 //scale_t = atof(com_token);
2327 TriangleNormal(point[0], point[1], point[2], planenormal);
2328 VectorNormalizeDouble(planenormal);
2329 planedist = DotProduct(point[0], planenormal);
2330 //ChooseTexturePlane(planenormal, texturevector[0], texturevector[1]);
2340 #define MAX_PORTALPOINTS 64
2342 typedef struct portal_s
2345 mnode_t *nodes[2]; // [0] = front side of plane
2346 struct portal_s *next[2];
2348 double points[3*MAX_PORTALPOINTS];
2349 struct portal_s *chain; // all portals are linked into a list
2353 static portal_t *portalchain;
2360 static portal_t *AllocPortal(void)
2363 p = Mem_Alloc(loadmodel->mempool, sizeof(portal_t));
2364 p->chain = portalchain;
2369 static void FreePortal(portal_t *p)
2374 static void Mod_Q1BSP_RecursiveRecalcNodeBBox(mnode_t *node)
2376 // process only nodes (leafs already had their box calculated)
2380 // calculate children first
2381 Mod_Q1BSP_RecursiveRecalcNodeBBox(node->children[0]);
2382 Mod_Q1BSP_RecursiveRecalcNodeBBox(node->children[1]);
2384 // make combined bounding box from children
2385 node->mins[0] = min(node->children[0]->mins[0], node->children[1]->mins[0]);
2386 node->mins[1] = min(node->children[0]->mins[1], node->children[1]->mins[1]);
2387 node->mins[2] = min(node->children[0]->mins[2], node->children[1]->mins[2]);
2388 node->maxs[0] = max(node->children[0]->maxs[0], node->children[1]->maxs[0]);
2389 node->maxs[1] = max(node->children[0]->maxs[1], node->children[1]->maxs[1]);
2390 node->maxs[2] = max(node->children[0]->maxs[2], node->children[1]->maxs[2]);
2393 static void Mod_Q1BSP_FinalizePortals(void)
2395 int i, j, numportals, numpoints;
2396 portal_t *p, *pnext;
2399 mleaf_t *leaf, *endleaf;
2401 // recalculate bounding boxes for all leafs(because qbsp is very sloppy)
2402 leaf = loadmodel->brush.data_leafs;
2403 endleaf = leaf + loadmodel->brush.num_leafs;
2404 for (;leaf < endleaf;leaf++)
2406 VectorSet(leaf->mins, 2000000000, 2000000000, 2000000000);
2407 VectorSet(leaf->maxs, -2000000000, -2000000000, -2000000000);
2412 if (p->numpoints >= 3)
2414 for (i = 0;i < 2;i++)
2416 leaf = (mleaf_t *)p->nodes[i];
2417 for (j = 0;j < p->numpoints;j++)
2419 if (leaf->mins[0] > p->points[j*3+0]) leaf->mins[0] = p->points[j*3+0];
2420 if (leaf->mins[1] > p->points[j*3+1]) leaf->mins[1] = p->points[j*3+1];
2421 if (leaf->mins[2] > p->points[j*3+2]) leaf->mins[2] = p->points[j*3+2];
2422 if (leaf->maxs[0] < p->points[j*3+0]) leaf->maxs[0] = p->points[j*3+0];
2423 if (leaf->maxs[1] < p->points[j*3+1]) leaf->maxs[1] = p->points[j*3+1];
2424 if (leaf->maxs[2] < p->points[j*3+2]) leaf->maxs[2] = p->points[j*3+2];
2431 Mod_Q1BSP_RecursiveRecalcNodeBBox(loadmodel->brush.data_nodes);
2433 // tally up portal and point counts
2439 // note: this check must match the one below or it will usually corrupt memory
2440 // the nodes[0] != nodes[1] check is because leaf 0 is the shared solid leaf, it can have many portals inside with leaf 0 on both sides
2441 if (p->numpoints >= 3 && p->nodes[0] != p->nodes[1] && ((mleaf_t *)p->nodes[0])->clusterindex >= 0 && ((mleaf_t *)p->nodes[1])->clusterindex >= 0)
2444 numpoints += p->numpoints * 2;
2448 loadmodel->brush.data_portals = Mem_Alloc(loadmodel->mempool, numportals * sizeof(mportal_t) + numpoints * sizeof(mvertex_t));
2449 loadmodel->brush.num_portals = numportals;
2450 loadmodel->brush.data_portalpoints = (void *)((qbyte *) loadmodel->brush.data_portals + numportals * sizeof(mportal_t));
2451 loadmodel->brush.num_portalpoints = numpoints;
2452 // clear all leaf portal chains
2453 for (i = 0;i < loadmodel->brush.num_leafs;i++)
2454 loadmodel->brush.data_leafs[i].portals = NULL;
2455 // process all portals in the global portal chain, while freeing them
2456 portal = loadmodel->brush.data_portals;
2457 point = loadmodel->brush.data_portalpoints;
2464 // note: this check must match the one above or it will usually corrupt memory
2465 // the nodes[0] != nodes[1] check is because leaf 0 is the shared solid leaf, it can have many portals inside with leaf 0 on both sides
2466 if (p->numpoints >= 3 && p->nodes[0] != p->nodes[1] && ((mleaf_t *)p->nodes[0])->clusterindex >= 0 && ((mleaf_t *)p->nodes[1])->clusterindex >= 0)
2468 // first make the back to front portal(forward portal)
2469 portal->points = point;
2470 portal->numpoints = p->numpoints;
2471 portal->plane.dist = p->plane.dist;
2472 VectorCopy(p->plane.normal, portal->plane.normal);
2473 portal->here = (mleaf_t *)p->nodes[1];
2474 portal->past = (mleaf_t *)p->nodes[0];
2476 for (j = 0;j < portal->numpoints;j++)
2478 VectorCopy(p->points + j*3, point->position);
2481 BoxFromPoints(portal->mins, portal->maxs, portal->numpoints, portal->points->position);
2482 PlaneClassify(&portal->plane);
2484 // link into leaf's portal chain
2485 portal->next = portal->here->portals;
2486 portal->here->portals = portal;
2488 // advance to next portal
2491 // then make the front to back portal(backward portal)
2492 portal->points = point;
2493 portal->numpoints = p->numpoints;
2494 portal->plane.dist = -p->plane.dist;
2495 VectorNegate(p->plane.normal, portal->plane.normal);
2496 portal->here = (mleaf_t *)p->nodes[0];
2497 portal->past = (mleaf_t *)p->nodes[1];
2499 for (j = portal->numpoints - 1;j >= 0;j--)
2501 VectorCopy(p->points + j*3, point->position);
2504 BoxFromPoints(portal->mins, portal->maxs, portal->numpoints, portal->points->position);
2505 PlaneClassify(&portal->plane);
2507 // link into leaf's portal chain
2508 portal->next = portal->here->portals;
2509 portal->here->portals = portal;
2511 // advance to next portal
2524 static void AddPortalToNodes(portal_t *p, mnode_t *front, mnode_t *back)
2527 Host_Error("AddPortalToNodes: NULL front node");
2529 Host_Error("AddPortalToNodes: NULL back node");
2530 if (p->nodes[0] || p->nodes[1])
2531 Host_Error("AddPortalToNodes: already included");
2532 // note: front == back is handled gracefully, because leaf 0 is the shared solid leaf, it can often have portals with the same leaf on both sides
2534 p->nodes[0] = front;
2535 p->next[0] = (portal_t *)front->portals;
2536 front->portals = (mportal_t *)p;
2539 p->next[1] = (portal_t *)back->portals;
2540 back->portals = (mportal_t *)p;
2545 RemovePortalFromNode
2548 static void RemovePortalFromNodes(portal_t *portal)
2552 void **portalpointer;
2554 for (i = 0;i < 2;i++)
2556 node = portal->nodes[i];
2558 portalpointer = (void **) &node->portals;
2563 Host_Error("RemovePortalFromNodes: portal not in leaf");
2567 if (portal->nodes[0] == node)
2569 *portalpointer = portal->next[0];
2570 portal->nodes[0] = NULL;
2572 else if (portal->nodes[1] == node)
2574 *portalpointer = portal->next[1];
2575 portal->nodes[1] = NULL;
2578 Host_Error("RemovePortalFromNodes: portal not bounding leaf");
2582 if (t->nodes[0] == node)
2583 portalpointer = (void **) &t->next[0];
2584 else if (t->nodes[1] == node)
2585 portalpointer = (void **) &t->next[1];
2587 Host_Error("RemovePortalFromNodes: portal not bounding leaf");
2592 static void Mod_Q1BSP_RecursiveNodePortals(mnode_t *node)
2595 mnode_t *front, *back, *other_node;
2596 mplane_t clipplane, *plane;
2597 portal_t *portal, *nextportal, *nodeportal, *splitportal, *temp;
2598 int numfrontpoints, numbackpoints;
2599 double frontpoints[3*MAX_PORTALPOINTS], backpoints[3*MAX_PORTALPOINTS];
2601 // if a leaf, we're done
2605 plane = node->plane;
2607 front = node->children[0];
2608 back = node->children[1];
2610 Host_Error("Mod_Q1BSP_RecursiveNodePortals: corrupt node hierarchy");
2612 // create the new portal by generating a polygon for the node plane,
2613 // and clipping it by all of the other portals(which came from nodes above this one)
2614 nodeportal = AllocPortal();
2615 nodeportal->plane = *plane;
2617 PolygonD_QuadForPlane(nodeportal->points, nodeportal->plane.normal[0], nodeportal->plane.normal[1], nodeportal->plane.normal[2], nodeportal->plane.dist, 1024.0*1024.0*1024.0);
2618 nodeportal->numpoints = 4;
2619 side = 0; // shut up compiler warning
2620 for (portal = (portal_t *)node->portals;portal;portal = portal->next[side])
2622 clipplane = portal->plane;
2623 if (portal->nodes[0] == portal->nodes[1])
2624 Host_Error("Mod_Q1BSP_RecursiveNodePortals: portal has same node on both sides(1)");
2625 if (portal->nodes[0] == node)
2627 else if (portal->nodes[1] == node)
2629 clipplane.dist = -clipplane.dist;
2630 VectorNegate(clipplane.normal, clipplane.normal);
2634 Host_Error("Mod_Q1BSP_RecursiveNodePortals: mislinked portal");
2636 for (i = 0;i < nodeportal->numpoints*3;i++)
2637 frontpoints[i] = nodeportal->points[i];
2638 PolygonD_Divide(nodeportal->numpoints, frontpoints, clipplane.normal[0], clipplane.normal[1], clipplane.normal[2], clipplane.dist, 1.0/32.0, MAX_PORTALPOINTS, nodeportal->points, &nodeportal->numpoints, 0, NULL, NULL);
2639 if (nodeportal->numpoints <= 0 || nodeportal->numpoints >= MAX_PORTALPOINTS)
2643 if (nodeportal->numpoints < 3)
2645 Con_Print("Mod_Q1BSP_RecursiveNodePortals: WARNING: new portal was clipped away\n");
2646 nodeportal->numpoints = 0;
2648 else if (nodeportal->numpoints >= MAX_PORTALPOINTS)
2650 Con_Print("Mod_Q1BSP_RecursiveNodePortals: WARNING: new portal has too many points\n");
2651 nodeportal->numpoints = 0;
2655 AddPortalToNodes(nodeportal, front, back);
2657 // split the portals of this node along this node's plane and assign them to the children of this node
2658 // (migrating the portals downward through the tree)
2659 for (portal = (portal_t *)node->portals;portal;portal = nextportal)
2661 if (portal->nodes[0] == portal->nodes[1])
2662 Host_Error("Mod_Q1BSP_RecursiveNodePortals: portal has same node on both sides(2)");
2663 if (portal->nodes[0] == node)
2665 else if (portal->nodes[1] == node)
2668 Host_Error("Mod_Q1BSP_RecursiveNodePortals: mislinked portal");
2669 nextportal = portal->next[side];
2671 other_node = portal->nodes[!side];
2672 RemovePortalFromNodes(portal);
2674 // cut the portal into two portals, one on each side of the node plane
2675 PolygonD_Divide(portal->numpoints, portal->points, plane->normal[0], plane->normal[1], plane->normal[2], plane->dist, 1.0/32.0, MAX_PORTALPOINTS, frontpoints, &numfrontpoints, MAX_PORTALPOINTS, backpoints, &numbackpoints);
2677 if (!numfrontpoints)
2680 AddPortalToNodes(portal, back, other_node);
2682 AddPortalToNodes(portal, other_node, back);
2688 AddPortalToNodes(portal, front, other_node);
2690 AddPortalToNodes(portal, other_node, front);
2694 // the portal is split
2695 splitportal = AllocPortal();
2696 temp = splitportal->chain;
2697 *splitportal = *portal;
2698 splitportal->chain = temp;
2699 for (i = 0;i < numbackpoints*3;i++)
2700 splitportal->points[i] = backpoints[i];
2701 splitportal->numpoints = numbackpoints;
2702 for (i = 0;i < numfrontpoints*3;i++)
2703 portal->points[i] = frontpoints[i];
2704 portal->numpoints = numfrontpoints;
2708 AddPortalToNodes(portal, front, other_node);
2709 AddPortalToNodes(splitportal, back, other_node);
2713 AddPortalToNodes(portal, other_node, front);
2714 AddPortalToNodes(splitportal, other_node, back);
2719 Mod_Q1BSP_RecursiveNodePortals(front);
2720 Mod_Q1BSP_RecursiveNodePortals(back);
2723 static void Mod_Q1BSP_MakePortals(void)
2726 Mod_Q1BSP_RecursiveNodePortals(loadmodel->brush.data_nodes);
2727 Mod_Q1BSP_FinalizePortals();
2730 static void Mod_Q1BSP_BuildLightmapUpdateChains(mempool_t *mempool, model_t *model)
2732 int i, j, stylecounts[256], totalcount, remapstyles[256];
2733 msurface_t *surface;
2734 memset(stylecounts, 0, sizeof(stylecounts));
2735 for (i = 0;i < model->nummodelsurfaces;i++)
2737 surface = model->brush.data_surfaces + model->firstmodelsurface + i;
2738 for (j = 0;j < MAXLIGHTMAPS;j++)
2739 stylecounts[surface->lightmapinfo->styles[j]]++;
2742 model->brushq1.light_styles = 0;
2743 for (i = 0;i < 255;i++)
2747 remapstyles[i] = model->brushq1.light_styles++;
2748 totalcount += stylecounts[i] + 1;
2753 model->brushq1.light_style = Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(qbyte));
2754 model->brushq1.light_stylevalue = Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(int));
2755 model->brushq1.light_styleupdatechains = Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(msurface_t **));
2756 model->brushq1.light_styleupdatechainsbuffer = Mem_Alloc(mempool, totalcount * sizeof(msurface_t *));
2757 model->brushq1.light_styles = 0;
2758 for (i = 0;i < 255;i++)
2760 model->brushq1.light_style[model->brushq1.light_styles++] = i;
2762 for (i = 0;i < model->brushq1.light_styles;i++)
2764 model->brushq1.light_styleupdatechains[i] = model->brushq1.light_styleupdatechainsbuffer + j;
2765 j += stylecounts[model->brushq1.light_style[i]] + 1;
2767 for (i = 0;i < model->nummodelsurfaces;i++)
2769 surface = model->brush.data_surfaces + model->firstmodelsurface + i;
2770 for (j = 0;j < MAXLIGHTMAPS;j++)
2771 if (surface->lightmapinfo->styles[j] != 255)
2772 *model->brushq1.light_styleupdatechains[remapstyles[surface->lightmapinfo->styles[j]]]++ = surface;
2775 for (i = 0;i < model->brushq1.light_styles;i++)
2777 *model->brushq1.light_styleupdatechains[i] = NULL;
2778 model->brushq1.light_styleupdatechains[i] = model->brushq1.light_styleupdatechainsbuffer + j;
2779 j += stylecounts[model->brushq1.light_style[i]] + 1;
2783 //Returns PVS data for a given point
2784 //(note: can return NULL)
2785 static qbyte *Mod_Q1BSP_GetPVS(model_t *model, const vec3_t p)
2788 Mod_CheckLoaded(model);
2789 node = model->brush.data_nodes;
2791 node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct(p,node->plane->normal)) < node->plane->dist];
2792 if (((mleaf_t *)node)->clusterindex >= 0)
2793 return model->brush.data_pvsclusters + ((mleaf_t *)node)->clusterindex * model->brush.num_pvsclusterbytes;
2798 static void Mod_Q1BSP_FatPVS_RecursiveBSPNode(model_t *model, const vec3_t org, vec_t radius, qbyte *pvsbuffer, int pvsbytes, mnode_t *node)
2802 float d = PlaneDiff(org, node->plane);
2804 node = node->children[0];
2805 else if (d < -radius)
2806 node = node->children[1];
2809 // go down both sides
2810 Mod_Q1BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, pvsbytes, node->children[0]);
2811 node = node->children[1];
2814 // if this leaf is in a cluster, accumulate the pvs bits
2815 if (((mleaf_t *)node)->clusterindex >= 0)
2818 qbyte *pvs = model->brush.data_pvsclusters + ((mleaf_t *)node)->clusterindex * model->brush.num_pvsclusterbytes;
2819 for (i = 0;i < pvsbytes;i++)
2820 pvsbuffer[i] |= pvs[i];
2824 //Calculates a PVS that is the inclusive or of all leafs within radius pixels
2825 //of the given point.
2826 static int Mod_Q1BSP_FatPVS(model_t *model, const vec3_t org, vec_t radius, qbyte *pvsbuffer, int pvsbufferlength)
2828 int bytes = model->brush.num_pvsclusterbytes;
2829 bytes = min(bytes, pvsbufferlength);
2830 if (r_novis.integer || !model->brush.num_pvsclusters || !Mod_Q1BSP_GetPVS(model, org))
2832 memset(pvsbuffer, 0xFF, bytes);
2835 memset(pvsbuffer, 0, bytes);
2836 Mod_Q1BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, bytes, model->brush.data_nodes);
2840 static void Mod_Q1BSP_RoundUpToHullSize(model_t *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs)
2845 VectorSubtract(inmaxs, inmins, size);
2846 if (cmodel->brush.ishlbsp)
2849 hull = &cmodel->brushq1.hulls[0]; // 0x0x0
2850 else if (size[0] <= 32)
2852 if (size[2] < 54) // pick the nearest of 36 or 72
2853 hull = &cmodel->brushq1.hulls[3]; // 32x32x36
2855 hull = &cmodel->brushq1.hulls[1]; // 32x32x72
2858 hull = &cmodel->brushq1.hulls[2]; // 64x64x64
2863 hull = &cmodel->brushq1.hulls[0]; // 0x0x0
2864 else if (size[0] <= 32)
2865 hull = &cmodel->brushq1.hulls[1]; // 32x32x56
2867 hull = &cmodel->brushq1.hulls[2]; // 64x64x88
2869 VectorCopy(inmins, outmins);
2870 VectorAdd(inmins, hull->clip_size, outmaxs);
2873 extern void R_Q1BSP_DrawSky(entity_render_t *ent);
2874 extern void R_Q1BSP_Draw(entity_render_t *ent);
2875 extern 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);
2876 extern void R_Q1BSP_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int numsurfaces, const int *surfacelist, const vec3_t lightmins, const vec3_t lightmaxs);
2877 extern 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);
2878 void Mod_Q1BSP_Load(model_t *mod, void *buffer)
2883 mempool_t *mainmempool;
2884 float dist, modelyawradius, modelradius, *vec;
2885 msurface_t *surface;
2886 int numshadowmeshtriangles;
2888 mod->type = mod_brushq1;
2890 header = (dheader_t *)buffer;
2892 i = LittleLong(header->version);
2893 if (i != BSPVERSION && i != 30)
2894 Host_Error("Mod_Q1BSP_Load: %s has wrong version number(%i should be %i(Quake) or 30(HalfLife))", mod->name, i, BSPVERSION);
2895 mod->brush.ishlbsp = i == 30;
2897 mod->soundfromcenter = true;
2898 mod->TraceBox = Mod_Q1BSP_TraceBox;
2899 mod->brush.SuperContentsFromNativeContents = Mod_Q1BSP_SuperContentsFromNativeContents;
2900 mod->brush.NativeContentsFromSuperContents = Mod_Q1BSP_NativeContentsFromSuperContents;
2901 mod->brush.GetPVS = Mod_Q1BSP_GetPVS;
2902 mod->brush.FatPVS = Mod_Q1BSP_FatPVS;
2903 mod->brush.BoxTouchingPVS = Mod_Q1BSP_BoxTouchingPVS;
2904 mod->brush.BoxTouchingVisibleLeafs = Mod_Q1BSP_BoxTouchingVisibleLeafs;
2905 mod->brush.LightPoint = Mod_Q1BSP_LightPoint;
2906 mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
2907 mod->brush.AmbientSoundLevelsForPoint = Mod_Q1BSP_AmbientSoundLevelsForPoint;
2908 mod->brush.RoundUpToHullSize = Mod_Q1BSP_RoundUpToHullSize;
2909 mod->brushq1.PointInLeaf = Mod_Q1BSP_PointInLeaf;
2911 if (loadmodel->isworldmodel)
2912 Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
2914 // swap all the lumps
2915 mod_base = (qbyte *)header;
2917 header->version = LittleLong(header->version);
2918 for (i = 0;i < HEADER_LUMPS;i++)
2920 header->lumps[i].fileofs = LittleLong(header->lumps[i].fileofs);
2921 header->lumps[i].filelen = LittleLong(header->lumps[i].filelen);
2926 // store which lightmap format to use
2927 mod->brushq1.lightmaprgba = r_lightmaprgba.integer;
2929 Mod_Q1BSP_LoadEntities(&header->lumps[LUMP_ENTITIES]);
2930 Mod_Q1BSP_LoadVertexes(&header->lumps[LUMP_VERTEXES]);
2931 Mod_Q1BSP_LoadEdges(&header->lumps[LUMP_EDGES]);
2932 Mod_Q1BSP_LoadSurfedges(&header->lumps[LUMP_SURFEDGES]);
2933 Mod_Q1BSP_LoadTextures(&header->lumps[LUMP_TEXTURES]);
2934 Mod_Q1BSP_LoadLighting(&header->lumps[LUMP_LIGHTING]);
2935 Mod_Q1BSP_LoadPlanes(&header->lumps[LUMP_PLANES]);
2936 Mod_Q1BSP_LoadTexinfo(&header->lumps[LUMP_TEXINFO]);
2937 Mod_Q1BSP_LoadFaces(&header->lumps[LUMP_FACES]);
2938 Mod_Q1BSP_LoadLeaffaces(&header->lumps[LUMP_MARKSURFACES]);
2939 Mod_Q1BSP_LoadVisibility(&header->lumps[LUMP_VISIBILITY]);
2940 // load submodels before leafs because they contain the number of vis leafs
2941 Mod_Q1BSP_LoadSubmodels(&header->lumps[LUMP_MODELS]);
2942 Mod_Q1BSP_LoadLeafs(&header->lumps[LUMP_LEAFS]);
2943 Mod_Q1BSP_LoadNodes(&header->lumps[LUMP_NODES]);
2944 Mod_Q1BSP_LoadClipnodes(&header->lumps[LUMP_CLIPNODES]);
2946 if (!mod->brushq1.lightdata)
2947 mod->brush.LightPoint = NULL;
2949 if (mod->brushq1.data_compressedpvs)
2950 Mem_Free(mod->brushq1.data_compressedpvs);
2951 mod->brushq1.data_compressedpvs = NULL;
2952 mod->brushq1.num_compressedpvs = 0;
2954 Mod_Q1BSP_MakeHull0();
2955 Mod_Q1BSP_MakePortals();
2957 mod->numframes = 2; // regular and alternate animation
2960 mainmempool = mod->mempool;
2962 Mod_Q1BSP_LoadLightList();
2964 // make a single combined shadow mesh to allow optimized shadow volume creation
2965 numshadowmeshtriangles = 0;
2966 for (j = 0, surface = loadmodel->brush.data_surfaces;j < loadmodel->brush.num_surfaces;j++, surface++)
2968 surface->num_firstshadowmeshtriangle = numshadowmeshtriangles;
2969 numshadowmeshtriangles += surface->num_triangles;
2971 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Begin(loadmodel->mempool, numshadowmeshtriangles * 3, numshadowmeshtriangles, NULL, NULL, NULL, false, false, true);
2972 for (j = 0, surface = loadmodel->brush.data_surfaces;j < loadmodel->brush.num_surfaces;j++, surface++)
2973 Mod_ShadowMesh_AddMesh(loadmodel->mempool, loadmodel->brush.shadowmesh, NULL, NULL, NULL, (surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex), NULL, NULL, NULL, NULL, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
2974 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Finish(loadmodel->mempool, loadmodel->brush.shadowmesh, false, true);
2975 Mod_BuildTriangleNeighbors(loadmodel->brush.shadowmesh->neighbor3i, loadmodel->brush.shadowmesh->element3i, loadmodel->brush.shadowmesh->numtriangles);
2977 if (loadmodel->brush.numsubmodels)
2978 loadmodel->brush.submodels = Mem_Alloc(loadmodel->mempool, loadmodel->brush.numsubmodels * sizeof(model_t *));
2980 if (loadmodel->isworldmodel)
2982 // clear out any stale submodels or worldmodels lying around
2983 // if we did this clear before now, an error might abort loading and
2984 // leave things in a bad state
2985 Mod_RemoveStaleWorldModels(loadmodel);
2988 // LordHavoc: to clear the fog around the original quake submodel code, I
2990 // first of all, some background info on the submodels:
2991 // model 0 is the map model (the world, named maps/e1m1.bsp for example)
2992 // model 1 and higher are submodels (doors and the like, named *1, *2, etc)
2993 // now the weird for loop itself:
2994 // the loop functions in an odd way, on each iteration it sets up the
2995 // current 'mod' model (which despite the confusing code IS the model of
2996 // the number i), at the end of the loop it duplicates the model to become
2997 // the next submodel, and loops back to set up the new submodel.
2999 // LordHavoc: now the explanation of my sane way (which works identically):
3000 // set up the world model, then on each submodel copy from the world model
3001 // and set up the submodel with the respective model info.
3002 for (i = 0;i < mod->brush.numsubmodels;i++)
3004 // LordHavoc: this code was originally at the end of this loop, but
3005 // has been transformed to something more readable at the start here.
3010 // LordHavoc: only register submodels if it is the world
3011 // (prevents external bsp models from replacing world submodels with
3013 if (!loadmodel->isworldmodel)
3015 // duplicate the basic information
3016 sprintf(name, "*%i", i);
3017 mod = Mod_FindName(name);
3018 // copy the base model to this one
3020 // rename the clone back to its proper name
3021 strcpy(mod->name, name);
3022 // textures and memory belong to the main model
3023 mod->texturepool = NULL;
3024 mod->mempool = NULL;
3027 mod->brush.submodel = i;
3029 if (loadmodel->brush.submodels)
3030 loadmodel->brush.submodels[i] = mod;
3032 bm = &mod->brushq1.submodels[i];
3034 mod->brushq1.hulls[0].firstclipnode = bm->headnode[0];
3035 for (j=1 ; j<MAX_MAP_HULLS ; j++)
3037 mod->brushq1.hulls[j].firstclipnode = bm->headnode[j];
3038 mod->brushq1.hulls[j].lastclipnode = mod->brushq1.numclipnodes - 1;
3041 mod->firstmodelsurface = bm->firstface;
3042 mod->nummodelsurfaces = bm->numfaces;
3044 // make the model surface list (used by shadowing/lighting)
3045 mod->surfacelist = Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->surfacelist));
3046 for (j = 0;j < mod->nummodelsurfaces;j++)
3047 mod->surfacelist[j] = mod->firstmodelsurface + j;
3049 // this gets altered below if sky is used
3050 mod->DrawSky = NULL;
3051 mod->Draw = R_Q1BSP_Draw;
3052 mod->GetLightInfo = R_Q1BSP_GetLightInfo;
3053 mod->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
3054 mod->DrawLight = R_Q1BSP_DrawLight;
3057 mod->brush.GetPVS = NULL;
3058 mod->brush.FatPVS = NULL;
3059 mod->brush.BoxTouchingPVS = NULL;
3060 mod->brush.BoxTouchingVisibleLeafs = NULL;
3061 mod->brush.LightPoint = NULL;
3062 mod->brush.AmbientSoundLevelsForPoint = NULL;
3064 Mod_Q1BSP_BuildLightmapUpdateChains(loadmodel->mempool, mod);
3065 if (mod->nummodelsurfaces)
3067 // LordHavoc: calculate bmodel bounding box rather than trusting what it says
3068 mod->normalmins[0] = mod->normalmins[1] = mod->normalmins[2] = 1000000000.0f;
3069 mod->normalmaxs[0] = mod->normalmaxs[1] = mod->normalmaxs[2] = -1000000000.0f;
3072 for (j = 0, surface = &mod->brush.data_surfaces[mod->firstmodelsurface];j < mod->nummodelsurfaces;j++, surface++)
3074 // we only need to have a drawsky function if it is used(usually only on world model)
3075 if (surface->texture->basematerialflags & MATERIALFLAG_SKY)
3076 mod->DrawSky = R_Q1BSP_DrawSky;
3077 // calculate bounding shapes
3078 for (k = 0, vec = (surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex);k < surface->num_vertices;k++, vec += 3)
3080 if (mod->normalmins[0] > vec[0]) mod->normalmins[0] = vec[0];
3081 if (mod->normalmins[1] > vec[1]) mod->normalmins[1] = vec[1];
3082 if (mod->normalmins[2] > vec[2]) mod->normalmins[2] = vec[2];
3083 if (mod->normalmaxs[0] < vec[0]) mod->normalmaxs[0] = vec[0];
3084 if (mod->normalmaxs[1] < vec[1]) mod->normalmaxs[1] = vec[1];
3085 if (mod->normalmaxs[2] < vec[2]) mod->normalmaxs[2] = vec[2];
3086 dist = vec[0]*vec[0]+vec[1]*vec[1];
3087 if (modelyawradius < dist)
3088 modelyawradius = dist;
3089 dist += vec[2]*vec[2];
3090 if (modelradius < dist)
3094 modelyawradius = sqrt(modelyawradius);
3095 modelradius = sqrt(modelradius);
3096 mod->yawmins[0] = mod->yawmins[1] = - (mod->yawmaxs[0] = mod->yawmaxs[1] = modelyawradius);
3097 mod->yawmins[2] = mod->normalmins[2];
3098 mod->yawmaxs[2] = mod->normalmaxs[2];
3099 mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius;
3100 mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
3101 mod->radius = modelradius;
3102 mod->radius2 = modelradius * modelradius;
3106 // LordHavoc: empty submodel(lacrima.bsp has such a glitch)
3107 Con_Printf("warning: empty submodel *%i in %s\n", i+1, loadmodel->name);
3109 //mod->brushq1.num_visleafs = bm->visleafs;
3112 Mod_Q1BSP_LoadMapBrushes();
3114 //Mod_Q1BSP_ProcessLightList();
3116 if (developer.integer)
3117 Con_Printf("Some stats for q1bsp model \"%s\": %i faces, %i nodes, %i leafs, %i visleafs, %i visleafportals\n", loadmodel->name, loadmodel->brush.num_surfaces, loadmodel->brush.num_nodes, loadmodel->brush.num_leafs, mod->brushq1.submodels[i].visleafs, loadmodel->brush.num_portals);
3120 static void Mod_Q2BSP_LoadEntities(lump_t *l)
3124 static void Mod_Q2BSP_LoadPlanes(lump_t *l)
3131 in = (void *)(mod_base + l->fileofs);
3132 if (l->filelen % sizeof(*in))
3133 Host_Error("Mod_Q2BSP_LoadPlanes: funny lump size in %s",loadmodel->name);
3134 count = l->filelen / sizeof(*in);
3135 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3138 loadmodel->num = count;
3140 for (i = 0;i < count;i++, in++, out++)
3146 static void Mod_Q2BSP_LoadVertices(lump_t *l)
3153 in = (void *)(mod_base + l->fileofs);
3154 if (l->filelen % sizeof(*in))
3155 Host_Error("Mod_Q2BSP_LoadVertices: funny lump size in %s",loadmodel->name);
3156 count = l->filelen / sizeof(*in);
3157 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3160 loadmodel->num = count;
3162 for (i = 0;i < count;i++, in++, out++)
3168 static void Mod_Q2BSP_LoadVisibility(lump_t *l)
3175 in = (void *)(mod_base + l->fileofs);
3176 if (l->filelen % sizeof(*in))
3177 Host_Error("Mod_Q2BSP_LoadVisibility: funny lump size in %s",loadmodel->name);
3178 count = l->filelen / sizeof(*in);
3179 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3182 loadmodel->num = count;
3184 for (i = 0;i < count;i++, in++, out++)
3190 static void Mod_Q2BSP_LoadNodes(lump_t *l)
3197 in = (void *)(mod_base + l->fileofs);
3198 if (l->filelen % sizeof(*in))
3199 Host_Error("Mod_Q2BSP_LoadNodes: funny lump size in %s",loadmodel->name);
3200 count = l->filelen / sizeof(*in);
3201 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3204 loadmodel->num = count;
3206 for (i = 0;i < count;i++, in++, out++)
3212 static void Mod_Q2BSP_LoadTexInfo(lump_t *l)
3219 in = (void *)(mod_base + l->fileofs);
3220 if (l->filelen % sizeof(*in))
3221 Host_Error("Mod_Q2BSP_LoadTexInfo: funny lump size in %s",loadmodel->name);
3222 count = l->filelen / sizeof(*in);
3223 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3226 loadmodel->num = count;
3228 for (i = 0;i < count;i++, in++, out++)
3234 static void Mod_Q2BSP_LoadFaces(lump_t *l)
3241 in = (void *)(mod_base + l->fileofs);
3242 if (l->filelen % sizeof(*in))
3243 Host_Error("Mod_Q2BSP_LoadFaces: funny lump size in %s",loadmodel->name);
3244 count = l->filelen / sizeof(*in);
3245 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3248 loadmodel->num = count;
3250 for (i = 0;i < count;i++, in++, out++)
3256 static void Mod_Q2BSP_LoadLighting(lump_t *l)
3263 in = (void *)(mod_base + l->fileofs);
3264 if (l->filelen % sizeof(*in))
3265 Host_Error("Mod_Q2BSP_LoadLighting: funny lump size in %s",loadmodel->name);
3266 count = l->filelen / sizeof(*in);
3267 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3270 loadmodel->num = count;
3272 for (i = 0;i < count;i++, in++, out++)
3278 static void Mod_Q2BSP_LoadLeafs(lump_t *l)
3285 in = (void *)(mod_base + l->fileofs);
3286 if (l->filelen % sizeof(*in))
3287 Host_Error("Mod_Q2BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
3288 count = l->filelen / sizeof(*in);
3289 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3292 loadmodel->num = count;
3294 for (i = 0;i < count;i++, in++, out++)
3300 static void Mod_Q2BSP_LoadLeafFaces(lump_t *l)
3307 in = (void *)(mod_base + l->fileofs);
3308 if (l->filelen % sizeof(*in))
3309 Host_Error("Mod_Q2BSP_LoadLeafFaces: funny lump size in %s",loadmodel->name);
3310 count = l->filelen / sizeof(*in);
3311 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3314 loadmodel->num = count;
3316 for (i = 0;i < count;i++, in++, out++)
3322 static void Mod_Q2BSP_LoadLeafBrushes(lump_t *l)
3329 in = (void *)(mod_base + l->fileofs);
3330 if (l->filelen % sizeof(*in))
3331 Host_Error("Mod_Q2BSP_LoadLeafBrushes: funny lump size in %s",loadmodel->name);
3332 count = l->filelen / sizeof(*in);
3333 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3336 loadmodel->num = count;
3338 for (i = 0;i < count;i++, in++, out++)
3344 static void Mod_Q2BSP_LoadEdges(lump_t *l)
3351 in = (void *)(mod_base + l->fileofs);
3352 if (l->filelen % sizeof(*in))
3353 Host_Error("Mod_Q2BSP_LoadEdges: funny lump size in %s",loadmodel->name);
3354 count = l->filelen / sizeof(*in);
3355 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3358 loadmodel->num = count;
3360 for (i = 0;i < count;i++, in++, out++)
3366 static void Mod_Q2BSP_LoadSurfEdges(lump_t *l)
3373 in = (void *)(mod_base + l->fileofs);
3374 if (l->filelen % sizeof(*in))
3375 Host_Error("Mod_Q2BSP_LoadSurfEdges: funny lump size in %s",loadmodel->name);
3376 count = l->filelen / sizeof(*in);
3377 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3380 loadmodel->num = count;
3382 for (i = 0;i < count;i++, in++, out++)
3388 static void Mod_Q2BSP_LoadBrushes(lump_t *l)
3395 in = (void *)(mod_base + l->fileofs);
3396 if (l->filelen % sizeof(*in))
3397 Host_Error("Mod_Q2BSP_LoadBrushes: funny lump size in %s",loadmodel->name);
3398 count = l->filelen / sizeof(*in);
3399 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3402 loadmodel->num = count;
3404 for (i = 0;i < count;i++, in++, out++)
3410 static void Mod_Q2BSP_LoadBrushSides(lump_t *l)
3417 in = (void *)(mod_base + l->fileofs);
3418 if (l->filelen % sizeof(*in))
3419 Host_Error("Mod_Q2BSP_LoadBrushSides: funny lump size in %s",loadmodel->name);
3420 count = l->filelen / sizeof(*in);
3421 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3424 loadmodel->num = count;
3426 for (i = 0;i < count;i++, in++, out++)
3432 static void Mod_Q2BSP_LoadAreas(lump_t *l)
3439 in = (void *)(mod_base + l->fileofs);
3440 if (l->filelen % sizeof(*in))
3441 Host_Error("Mod_Q2BSP_LoadAreas: funny lump size in %s",loadmodel->name);
3442 count = l->filelen / sizeof(*in);
3443 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3446 loadmodel->num = count;
3448 for (i = 0;i < count;i++, in++, out++)
3454 static void Mod_Q2BSP_LoadAreaPortals(lump_t *l)
3461 in = (void *)(mod_base + l->fileofs);
3462 if (l->filelen % sizeof(*in))
3463 Host_Error("Mod_Q2BSP_LoadAreaPortals: funny lump size in %s",loadmodel->name);
3464 count = l->filelen / sizeof(*in);
3465 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3468 loadmodel->num = count;
3470 for (i = 0;i < count;i++, in++, out++)
3476 static void Mod_Q2BSP_LoadModels(lump_t *l)
3483 in = (void *)(mod_base + l->fileofs);
3484 if (l->filelen % sizeof(*in))
3485 Host_Error("Mod_Q2BSP_LoadModels: funny lump size in %s",loadmodel->name);
3486 count = l->filelen / sizeof(*in);
3487 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3490 loadmodel->num = count;
3492 for (i = 0;i < count;i++, in++, out++)
3498 void static Mod_Q2BSP_Load(model_t *mod, void *buffer)
3501 q2dheader_t *header;
3503 Host_Error("Mod_Q2BSP_Load: not yet implemented\n");
3505 mod->type = mod_brushq2;
3507 header = (q2dheader_t *)buffer;
3509 i = LittleLong(header->version);
3510 if (i != Q2BSPVERSION)
3511 Host_Error("Mod_Q2BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q2BSPVERSION);
3512 mod->brush.ishlbsp = false;
3513 if (loadmodel->isworldmodel)
3514 Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
3516 mod_base = (qbyte *)header;
3518 // swap all the lumps
3519 for (i = 0;i < (int) sizeof(*header) / 4;i++)
3520 ((int *)header)[i] = LittleLong(((int *)header)[i]);
3522 // store which lightmap format to use
3523 mod->brushq1.lightmaprgba = r_lightmaprgba.integer;
3525 Mod_Q2BSP_LoadEntities(&header->lumps[Q2LUMP_ENTITIES]);
3526 Mod_Q2BSP_LoadPlanes(&header->lumps[Q2LUMP_PLANES]);
3527 Mod_Q2BSP_LoadVertices(&header->lumps[Q2LUMP_VERTEXES]);
3528 Mod_Q2BSP_LoadVisibility(&header->lumps[Q2LUMP_VISIBILITY]);
3529 Mod_Q2BSP_LoadNodes(&header->lumps[Q2LUMP_NODES]);
3530 Mod_Q2BSP_LoadTexInfo(&header->lumps[Q2LUMP_TEXINFO]);
3531 Mod_Q2BSP_LoadFaces(&header->lumps[Q2LUMP_FACES]);
3532 Mod_Q2BSP_LoadLighting(&header->lumps[Q2LUMP_LIGHTING]);
3533 Mod_Q2BSP_LoadLeafs(&header->lumps[Q2LUMP_LEAFS]);
3534 Mod_Q2BSP_LoadLeafFaces(&header->lumps[Q2LUMP_LEAFFACES]);
3535 Mod_Q2BSP_LoadLeafBrushes(&header->lumps[Q2LUMP_LEAFBRUSHES]);
3536 Mod_Q2BSP_LoadEdges(&header->lumps[Q2LUMP_EDGES]);
3537 Mod_Q2BSP_LoadSurfEdges(&header->lumps[Q2LUMP_SURFEDGES]);
3538 Mod_Q2BSP_LoadBrushes(&header->lumps[Q2LUMP_BRUSHES]);
3539 Mod_Q2BSP_LoadBrushSides(&header->lumps[Q2LUMP_BRUSHSIDES]);
3540 Mod_Q2BSP_LoadAreas(&header->lumps[Q2LUMP_AREAS]);
3541 Mod_Q2BSP_LoadAreaPortals(&header->lumps[Q2LUMP_AREAPORTALS]);
3542 // LordHavoc: must go last because this makes the submodels
3543 Mod_Q2BSP_LoadModels(&header->lumps[Q2LUMP_MODELS]);
3546 static int Mod_Q3BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents);
3547 static int Mod_Q3BSP_NativeContentsFromSuperContents(model_t *model, int supercontents);
3549 static void Mod_Q3BSP_LoadEntities(lump_t *l)
3552 char key[128], value[4096];
3554 loadmodel->brushq3.num_lightgrid_cellsize[0] = 64;
3555 loadmodel->brushq3.num_lightgrid_cellsize[1] = 64;
3556 loadmodel->brushq3.num_lightgrid_cellsize[2] = 128;
3559 loadmodel->brush.entities = Mem_Alloc(loadmodel->mempool, l->filelen);
3560 memcpy(loadmodel->brush.entities, mod_base + l->fileofs, l->filelen);
3561 data = loadmodel->brush.entities;
3562 // some Q3 maps override the lightgrid_cellsize with a worldspawn key
3563 if (data && COM_ParseToken(&data, false) && com_token[0] == '{')
3567 if (!COM_ParseToken(&data, false))
3569 if (com_token[0] == '}')
3570 break; // end of worldspawn
3571 if (com_token[0] == '_')
3572 strcpy(key, com_token + 1);
3574 strcpy(key, com_token);
3575 while (key[strlen(key)-1] == ' ') // remove trailing spaces
3576 key[strlen(key)-1] = 0;
3577 if (!COM_ParseToken(&data, false))
3579 strcpy(value, com_token);
3580 if (!strcmp("gridsize", key))
3582 if (sscanf(value, "%f %f %f", &v[0], &v[1], &v[2]) == 3 && v[0] != 0 && v[1] != 0 && v[2] != 0)
3583 VectorCopy(v, loadmodel->brushq3.num_lightgrid_cellsize);
3589 static void Mod_Q3BSP_LoadTextures(lump_t *l)
3598 int flags, flags2, numparameters, passnumber;
3599 char shadername[Q3PATHLENGTH];
3600 char sky[Q3PATHLENGTH];
3601 char firstpasstexturename[Q3PATHLENGTH];
3602 char parameter[4][Q3PATHLENGTH];
3604 in = (void *)(mod_base + l->fileofs);
3605 if (l->filelen % sizeof(*in))
3606 Host_Error("Mod_Q3BSP_LoadTextures: funny lump size in %s",loadmodel->name);
3607 count = l->filelen / sizeof(*in);
3608 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3610 loadmodel->brush.data_textures = out;
3611 loadmodel->brush.num_textures = count;
3613 for (i = 0;i < count;i++, in++, out++)
3615 strlcpy (out->name, in->name, sizeof (out->name));
3616 out->surfaceflags = LittleLong(in->surfaceflags);
3617 out->supercontents = Mod_Q3BSP_SuperContentsFromNativeContents(loadmodel, LittleLong(in->contents));
3618 out->surfaceparms = -1;
3621 // do a quick parse of shader files to get surfaceparms
3622 if ((search = FS_Search("scripts/*.shader", true, false)))
3624 for (i = 0;i < search->numfilenames;i++)
3626 if ((f = FS_LoadFile(search->filenames[i], tempmempool, false)))
3629 while (COM_ParseToken(&text, false))
3631 strlcpy (shadername, com_token, sizeof (shadername));
3636 firstpasstexturename[0] = 0;
3637 if (COM_ParseToken(&text, false) && !strcasecmp(com_token, "{"))
3639 while (COM_ParseToken(&text, false))
3641 if (!strcasecmp(com_token, "}"))
3643 else if (!strcasecmp(com_token, "{"))
3645 while (COM_ParseToken(&text, false))
3647 if (!strcasecmp(com_token, "}"))
3649 if (!strcasecmp(com_token, "\n"))
3652 for (j = 0;strcasecmp(com_token, "\n") && strcasecmp(com_token, "}");j++)
3656 strlcpy(parameter[j], com_token, sizeof(parameter[j]));
3657 numparameters = j + 1;
3659 if (!COM_ParseToken(&text, true))
3662 if (developer.integer >= 2)
3664 Con_Printf("%s %i: ", shadername, passnumber);
3665 for (j = 0;j < numparameters;j++)
3666 Con_Printf(" %s", parameter[j]);
3669 if (passnumber == 0 && numparameters >= 1)
3671 if (!strcasecmp(parameter[0], "blendfunc"))
3673 if (numparameters == 2 && !strcasecmp(parameter[1], "add"))
3674 flags2 |= Q3TEXTUREFLAG_ADDITIVE;
3675 else if (numparameters == 3 && !strcasecmp(parameter[1], "gl_one") && !strcasecmp(parameter[2], "gl_one"))
3676 flags2 |= Q3TEXTUREFLAG_ADDITIVE;
3677 else if (numparameters == 3 && !strcasecmp(parameter[1], "gl_src_alpha") && !strcasecmp(parameter[2], "gl_one"))
3678 flags2 |= Q3TEXTUREFLAG_ADDITIVE;
3680 else if (numparameters >= 2 && (!strcasecmp(parameter[0], "map") || !strcasecmp(parameter[0], "clampmap")))
3681 strlcpy(firstpasstexturename, parameter[1], sizeof(firstpasstexturename));
3682 else if (numparameters >= 3 && !strcasecmp(parameter[0], "animmap"))
3683 strlcpy(firstpasstexturename, parameter[2], sizeof(firstpasstexturename));
3685 if (!strcasecmp(parameter[0], "alphafunc"))
3686 flags2 |= Q3TEXTUREFLAG_ALPHATEST;
3687 // break out a level if it was }
3688 if (!strcasecmp(com_token, "}"))
3695 for (j = 0;strcasecmp(com_token, "\n") && strcasecmp(com_token, "}");j++)
3699 strlcpy(parameter[j], com_token, sizeof(parameter[j]));
3700 numparameters = j + 1;
3702 if (!COM_ParseToken(&text, true))
3705 if (i == 0 && !strcasecmp(com_token, "}"))
3707 if (developer.integer >= 2)
3709 Con_Printf("%s: ", shadername);
3710 for (j = 0;j < numparameters;j++)
3711 Con_Printf(" %s", parameter[j]);
3714 if (numparameters < 1)
3716 if (!strcasecmp(parameter[0], "surfaceparm") && numparameters >= 2)
3718 if (!strcasecmp(parameter[1], "alphashadow"))
3719 flags |= Q3SURFACEPARM_ALPHASHADOW;
3720 else if (!strcasecmp(parameter[1], "areaportal"))
3721 flags |= Q3SURFACEPARM_AREAPORTAL;
3722 else if (!strcasecmp(parameter[1], "clusterportal"))
3723 flags |= Q3SURFACEPARM_CLUSTERPORTAL;
3724 else if (!strcasecmp(parameter[1], "detail"))
3725 flags |= Q3SURFACEPARM_DETAIL;
3726 else if (!strcasecmp(parameter[1], "donotenter"))
3727 flags |= Q3SURFACEPARM_DONOTENTER;
3728 else if (!strcasecmp(parameter[1], "fog"))
3729 flags |= Q3SURFACEPARM_FOG;
3730 else if (!strcasecmp(parameter[1], "lava"))
3731 flags |= Q3SURFACEPARM_LAVA;
3732 else if (!strcasecmp(parameter[1], "lightfilter"))
3733 flags |= Q3SURFACEPARM_LIGHTFILTER;
3734 else if (!strcasecmp(parameter[1], "metalsteps"))
3735 flags |= Q3SURFACEPARM_METALSTEPS;
3736 else if (!strcasecmp(parameter[1], "nodamage"))
3737 flags |= Q3SURFACEPARM_NODAMAGE;
3738 else if (!strcasecmp(parameter[1], "nodlight"))
3739 flags |= Q3SURFACEPARM_NODLIGHT;
3740 else if (!strcasecmp(parameter[1], "nodraw"))
3741 flags |= Q3SURFACEPARM_NODRAW;
3742 else if (!strcasecmp(parameter[1], "nodrop"))
3743 flags |= Q3SURFACEPARM_NODROP;
3744 else if (!strcasecmp(parameter[1], "noimpact"))
3745 flags |= Q3SURFACEPARM_NOIMPACT;
3746 else if (!strcasecmp(parameter[1], "nolightmap"))
3747 flags |= Q3SURFACEPARM_NOLIGHTMAP;
3748 else if (!strcasecmp(parameter[1], "nomarks"))
3749 flags |= Q3SURFACEPARM_NOMARKS;
3750 else if (!strcasecmp(parameter[1], "nomipmaps"))
3751 flags |= Q3SURFACEPARM_NOMIPMAPS;
3752 else if (!strcasecmp(parameter[1], "nonsolid"))
3753 flags |= Q3SURFACEPARM_NONSOLID;
3754 else if (!strcasecmp(parameter[1], "origin"))
3755 flags |= Q3SURFACEPARM_ORIGIN;
3756 else if (!strcasecmp(parameter[1], "playerclip"))
3757 flags |= Q3SURFACEPARM_PLAYERCLIP;
3758 else if (!strcasecmp(parameter[1], "sky"))
3759 flags |= Q3SURFACEPARM_SKY;
3760 else if (!strcasecmp(parameter[1], "slick"))
3761 flags |= Q3SURFACEPARM_SLICK;
3762 else if (!strcasecmp(parameter[1], "slime"))
3763 flags |= Q3SURFACEPARM_SLIME;
3764 else if (!strcasecmp(parameter[1], "structural"))
3765 flags |= Q3SURFACEPARM_STRUCTURAL;
3766 else if (!strcasecmp(parameter[1], "trans"))
3767 flags |= Q3SURFACEPARM_TRANS;
3768 else if (!strcasecmp(parameter[1], "water"))
3769 flags |= Q3SURFACEPARM_WATER;
3770 else if (!strcasecmp(parameter[1], "pointlight"))
3771 flags |= Q3SURFACEPARM_POINTLIGHT;
3773 Con_Printf("%s parsing warning: unknown surfaceparm \"%s\"\n", search->filenames[i], parameter[1]);
3775 else if (!strcasecmp(parameter[0], "sky") && numparameters >= 2)
3776 strlcpy(sky, parameter[1], sizeof(sky));
3777 else if (!strcasecmp(parameter[0], "skyparms") && numparameters >= 2)
3779 if (!atoi(parameter[1]) && strcasecmp(parameter[1], "-"))
3780 strlcpy(sky, parameter[1], sizeof(sky));
3782 else if (!strcasecmp(parameter[0], "cull") && numparameters >= 2)
3784 if (!strcasecmp(parameter[1], "disable") || !strcasecmp(parameter[1], "none") || !strcasecmp(parameter[1], "twosided"))
3785 flags2 |= Q3TEXTUREFLAG_TWOSIDED;
3787 else if (!strcasecmp(parameter[0], "nomipmaps"))
3788 flags2 |= Q3TEXTUREFLAG_NOMIPMAPS;
3789 else if (!strcasecmp(parameter[0], "nopicmip"))
3790 flags2 |= Q3TEXTUREFLAG_NOPICMIP;
3791 else if (!strcasecmp(parameter[0], "deformvertexes") && numparameters >= 2)
3793 if (!strcasecmp(parameter[1], "autosprite") && numparameters == 2)
3794 flags2 |= Q3TEXTUREFLAG_AUTOSPRITE;
3795 if (!strcasecmp(parameter[1], "autosprite2") && numparameters == 2)
3796 flags2 |= Q3TEXTUREFLAG_AUTOSPRITE2;
3799 // force transparent render path for a number of odd
3800 // shader effects to avoid bogging down the normal
3801 // render path unnecessarily
3802 if (flags2 & (Q3TEXTUREFLAG_ADDITIVE | Q3TEXTUREFLAG_AUTOSPRITE | Q3TEXTUREFLAG_AUTOSPRITE2 | Q3TEXTUREFLAG_ALPHATEST))
3803 flags |= Q3SURFACEPARM_TRANS;
3804 // add shader to list (shadername and flags)
3805 // actually here we just poke into the texture settings
3806 for (j = 0, out = loadmodel->brush.data_textures;j < loadmodel->brush.num_textures;j++, out++)
3808 if (!strcasecmp(out->name, shadername))
3810 out->surfaceparms = flags;
3811 out->textureflags = flags2;
3812 out->basematerialflags = 0;
3813 if (out->surfaceparms & Q3SURFACEPARM_NODRAW)
3814 out->basematerialflags |= MATERIALFLAG_NODRAW;
3815 else if (out->surfaceparms & Q3SURFACEPARM_SKY)
3816 out->basematerialflags |= MATERIALFLAG_SKY;
3817 else if (out->surfaceparms & Q3SURFACEPARM_LAVA)
3818 out->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_FULLBRIGHT;
3819 else if (out->surfaceparms & Q3SURFACEPARM_SLIME)
3820 out->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_WATERALPHA;
3821 else if (out->surfaceparms & Q3SURFACEPARM_WATER)
3822 out->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_WATERALPHA;
3824 out->basematerialflags |= MATERIALFLAG_WALL;
3825 if (out->surfaceparms & Q3SURFACEPARM_TRANS)
3826 out->basematerialflags |= MATERIALFLAG_TRANSPARENT;
3827 if (out->textureflags & Q3TEXTUREFLAG_ADDITIVE)
3828 out->basematerialflags |= MATERIALFLAG_ADD | MATERIALFLAG_TRANSPARENT;
3829 strlcpy(out->firstpasstexturename, firstpasstexturename, sizeof(out->firstpasstexturename));
3830 if ((flags & Q3SURFACEPARM_SKY) && sky[0])
3832 // quake3 seems to append a _ to the skybox name, so this must do so as well
3833 dpsnprintf(loadmodel->brush.skybox, sizeof(loadmodel->brush.skybox), "%s_", sky);
3840 Con_Printf("%s parsing error - expected \"{\", found \"%s\"\n", search->filenames[i], com_token);
3851 for (j = 0, out = loadmodel->brush.data_textures;j < loadmodel->brush.num_textures;j++, out++)
3853 if (out->surfaceparms == -1)
3856 Con_DPrintf("%s: No shader found for texture \"%s\"\n", loadmodel->name, out->name);
3857 out->surfaceparms = 0;
3858 if (out->surfaceflags & Q3SURFACEFLAG_NODRAW)
3859 out->basematerialflags |= MATERIALFLAG_NODRAW;
3860 else if (out->surfaceflags & Q3SURFACEFLAG_SKY)
3861 out->basematerialflags |= MATERIALFLAG_SKY;
3863 out->basematerialflags |= MATERIALFLAG_WALL;
3864 // these are defaults
3865 //if (!strncmp(out->name, "textures/skies/", 15))
3866 // out->surfaceparms |= Q3SURFACEPARM_SKY;
3867 //if (!strcmp(out->name, "caulk") || !strcmp(out->name, "common/caulk") || !strcmp(out->name, "textures/common/caulk")
3868 // || !strcmp(out->name, "nodraw") || !strcmp(out->name, "common/nodraw") || !strcmp(out->name, "textures/common/nodraw"))
3869 // out->surfaceparms |= Q3SURFACEPARM_NODRAW;
3870 //if (R_TextureHasAlpha(out->skin.base))
3871 // out->surfaceparms |= Q3SURFACEPARM_TRANS;
3873 if (!Mod_LoadSkinFrame(&out->skin, out->name, (((out->textureflags & Q3TEXTUREFLAG_NOMIPMAPS) || (out->surfaceparms & Q3SURFACEPARM_NOMIPMAPS)) ? 0 : TEXF_MIPMAP) | TEXF_ALPHA | TEXF_PRECACHE | (out->textureflags & Q3TEXTUREFLAG_NOPICMIP ? 0 : TEXF_PICMIP), false, false, true))
3874 if (!Mod_LoadSkinFrame(&out->skin, out->firstpasstexturename, (((out->textureflags & Q3TEXTUREFLAG_NOMIPMAPS) || (out->surfaceparms & Q3SURFACEPARM_NOMIPMAPS)) ? 0 : TEXF_MIPMAP) | TEXF_ALPHA | TEXF_PRECACHE | (out->textureflags & Q3TEXTUREFLAG_NOPICMIP ? 0 : TEXF_PICMIP), false, false, true))
3875 Con_Printf("%s: texture loading for shader \"%s\" failed (first layer \"%s\" not found either)\n", loadmodel->name, out->name, out->firstpasstexturename);
3877 out->basematerialflags |= (MATERIALFLAG_ALPHA | MATERIALFLAG_TRANSPARENT);
3879 out->currentframe = out;
3882 Con_DPrintf("%s: %i textures missing shaders\n", loadmodel->name, c);
3885 static void Mod_Q3BSP_LoadPlanes(lump_t *l)
3891 in = (void *)(mod_base + l->fileofs);
3892 if (l->filelen % sizeof(*in))
3893 Host_Error("Mod_Q3BSP_LoadPlanes: funny lump size in %s",loadmodel->name);
3894 count = l->filelen / sizeof(*in);
3895 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3897 loadmodel->brush.data_planes = out;
3898 loadmodel->brush.num_planes = count;
3900 for (i = 0;i < count;i++, in++, out++)
3902 out->normal[0] = LittleLong(in->normal[0]);
3903 out->normal[1] = LittleLong(in->normal[1]);
3904 out->normal[2] = LittleLong(in->normal[2]);
3905 out->dist = LittleLong(in->dist);
3910 static void Mod_Q3BSP_LoadBrushSides(lump_t *l)
3913 q3mbrushside_t *out;
3916 in = (void *)(mod_base + l->fileofs);
3917 if (l->filelen % sizeof(*in))
3918 Host_Error("Mod_Q3BSP_LoadBrushSides: funny lump size in %s",loadmodel->name);
3919 count = l->filelen / sizeof(*in);
3920 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3922 loadmodel->brush.data_brushsides = out;
3923 loadmodel->brush.num_brushsides = count;
3925 for (i = 0;i < count;i++, in++, out++)
3927 n = LittleLong(in->planeindex);
3928 if (n < 0 || n >= loadmodel->brush.num_planes)
3929 Host_Error("Mod_Q3BSP_LoadBrushSides: invalid planeindex %i (%i planes)\n", n, loadmodel->brush.num_planes);
3930 out->plane = loadmodel->brush.data_planes + n;
3931 n = LittleLong(in->textureindex);
3932 if (n < 0 || n >= loadmodel->brush.num_textures)
3933 Host_Error("Mod_Q3BSP_LoadBrushSides: invalid textureindex %i (%i textures)\n", n, loadmodel->brush.num_textures);
3934 out->texture = loadmodel->brush.data_textures + n;
3938 static void Mod_Q3BSP_LoadBrushes(lump_t *l)
3942 int i, j, n, c, count, maxplanes;
3945 in = (void *)(mod_base + l->fileofs);
3946 if (l->filelen % sizeof(*in))
3947 Host_Error("Mod_Q3BSP_LoadBrushes: funny lump size in %s",loadmodel->name);
3948 count = l->filelen / sizeof(*in);
3949 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3951 loadmodel->brush.data_brushes = out;
3952 loadmodel->brush.num_brushes = count;
3957 for (i = 0;i < count;i++, in++, out++)
3959 n = LittleLong(in->firstbrushside);
3960 c = LittleLong(in->numbrushsides);
3961 if (n < 0 || n + c > loadmodel->brush.num_brushsides)
3962 Host_Error("Mod_Q3BSP_LoadBrushes: invalid brushside range %i : %i (%i brushsides)\n", n, n + c, loadmodel->brush.num_brushsides);
3963 out->firstbrushside = loadmodel->brush.data_brushsides + n;
3964 out->numbrushsides = c;
3965 n = LittleLong(in->textureindex);
3966 if (n < 0 || n >= loadmodel->brush.num_textures)
3967 Host_Error("Mod_Q3BSP_LoadBrushes: invalid textureindex %i (%i textures)\n", n, loadmodel->brush.num_textures);
3968 out->texture = loadmodel->brush.data_textures + n;
3970 // make a list of mplane_t structs to construct a colbrush from
3971 if (maxplanes < out->numbrushsides)
3973 maxplanes = out->numbrushsides;
3976 planes = Mem_Alloc(tempmempool, sizeof(mplane_t) * maxplanes);
3978 for (j = 0;j < out->numbrushsides;j++)
3980 VectorCopy(out->firstbrushside[j].plane->normal, planes[j].normal);
3981 planes[j].dist = out->firstbrushside[j].plane->dist;
3983 // make the colbrush from the planes
3984 out->colbrushf = Collision_NewBrushFromPlanes(loadmodel->mempool, out->numbrushsides, planes, out->texture->supercontents);
3990 static void Mod_Q3BSP_LoadEffects(lump_t *l)
3996 in = (void *)(mod_base + l->fileofs);
3997 if (l->filelen % sizeof(*in))
3998 Host_Error("Mod_Q3BSP_LoadEffects: funny lump size in %s",loadmodel->name);
3999 count = l->filelen / sizeof(*in);
4000 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4002 loadmodel->brushq3.data_effects = out;
4003 loadmodel->brushq3.num_effects = count;
4005 for (i = 0;i < count;i++, in++, out++)
4007 strlcpy (out->shadername, in->shadername, sizeof (out->shadername));
4008 n = LittleLong(in->brushindex);
4009 if (n < 0 || n >= loadmodel->brush.num_brushes)
4010 Host_Error("Mod_Q3BSP_LoadEffects: invalid brushindex %i (%i brushes)\n", n, loadmodel->brush.num_brushes);
4011 out->brushindex = n;
4012 out->unknown = LittleLong(in->unknown);
4016 static void Mod_Q3BSP_LoadVertices(lump_t *l)
4021 in = (void *)(mod_base + l->fileofs);
4022 if (l->filelen % sizeof(*in))
4023 Host_Error("Mod_Q3BSP_LoadVertices: funny lump size in %s",loadmodel->name);
4024 loadmodel->brushq3.num_vertices = count = l->filelen / sizeof(*in);
4025 loadmodel->brushq3.data_vertex3f = Mem_Alloc(loadmodel->mempool, count * (sizeof(float) * (3 + 2 + 2 + 4)));
4026 loadmodel->brushq3.data_texcoordtexture2f = loadmodel->brushq3.data_vertex3f + count * 3;
4027 loadmodel->brushq3.data_texcoordlightmap2f = loadmodel->brushq3.data_texcoordtexture2f + count * 2;
4028 loadmodel->brushq3.data_color4f = loadmodel->brushq3.data_texcoordlightmap2f + count * 2;
4030 for (i = 0;i < count;i++, in++)
4032 loadmodel->brushq3.data_vertex3f[i * 3 + 0] = LittleFloat(in->origin3f[0]);
4033 loadmodel->brushq3.data_vertex3f[i * 3 + 1] = LittleFloat(in->origin3f[1]);
4034 loadmodel->brushq3.data_vertex3f[i * 3 + 2] = LittleFloat(in->origin3f[2]);
4035 loadmodel->brushq3.data_texcoordtexture2f[i * 2 + 0] = LittleFloat(in->texcoord2f[0]);
4036 loadmodel->brushq3.data_texcoordtexture2f[i * 2 + 1] = LittleFloat(in->texcoord2f[1]);
4037 loadmodel->brushq3.data_texcoordlightmap2f[i * 2 + 0] = LittleFloat(in->lightmap2f[0]);
4038 loadmodel->brushq3.data_texcoordlightmap2f[i * 2 + 1] = LittleFloat(in->lightmap2f[1]);
4039 // svector/tvector are calculated later in face loading
4040 loadmodel->brushq3.data_color4f[i * 4 + 0] = in->color4ub[0] * (1.0f / 255.0f);
4041 loadmodel->brushq3.data_color4f[i * 4 + 1] = in->color4ub[1] * (1.0f / 255.0f);
4042 loadmodel->brushq3.data_color4f[i * 4 + 2] = in->color4ub[2] * (1.0f / 255.0f);
4043 loadmodel->brushq3.data_color4f[i * 4 + 3] = in->color4ub[3] * (1.0f / 255.0f);
4047 static void Mod_Q3BSP_LoadTriangles(lump_t *l)
4053 in = (void *)(mod_base + l->fileofs);
4054 if (l->filelen % sizeof(int[3]))
4055 Host_Error("Mod_Q3BSP_LoadTriangles: funny lump size in %s",loadmodel->name);
4056 count = l->filelen / sizeof(*in);
4057 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4059 loadmodel->brushq3.num_triangles = count / 3;
4060 loadmodel->brushq3.data_element3i = out;
4062 for (i = 0;i < count;i++, in++, out++)
4064 *out = LittleLong(*in);
4065 if (*out < 0 || *out >= loadmodel->brushq3.num_vertices)
4067 Con_Printf("Mod_Q3BSP_LoadTriangles: invalid vertexindex %i (%i vertices), setting to 0\n", *out, loadmodel->brushq3.num_vertices);
4073 static void Mod_Q3BSP_LoadLightmaps(lump_t *l)
4081 in = (void *)(mod_base + l->fileofs);
4082 if (l->filelen % sizeof(*in))
4083 Host_Error("Mod_Q3BSP_LoadLightmaps: funny lump size in %s",loadmodel->name);
4084 count = l->filelen / sizeof(*in);
4085 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4087 loadmodel->brushq3.data_lightmaps = out;
4088 loadmodel->brushq3.num_lightmaps = count;
4090 for (i = 0;i < count;i++, in++, out++)
4091 *out = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%04i", i), 128, 128, in->rgb, TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
4094 static void Mod_Q3BSP_LoadFaces(lump_t *l)
4096 q3dface_t *in, *oldin;
4097 msurface_t *out, *oldout;
4098 int i, oldi, j, n, count, invalidelements, patchsize[2], finalwidth, finalheight, xtess, ytess, finalvertices, finaltriangles, firstvertex, firstelement, type, oldnumtriangles, oldnumtriangles2, meshnum, meshvertices, meshtriangles, numvertices, numtriangles;
4099 //int *originalelement3i;
4100 //int *originalneighbor3i;
4101 float *originalvertex3f;
4102 //float *originalsvector3f;
4103 //float *originaltvector3f;
4104 //float *originalnormal3f;
4105 float *originalcolor4f;
4106 float *originaltexcoordtexture2f;
4107 float *originaltexcoordlightmap2f;
4109 surfmesh_t *mesh, *tempmeshlist[1024];
4111 in = (void *)(mod_base + l->fileofs);
4112 if (l->filelen % sizeof(*in))
4113 Host_Error("Mod_Q3BSP_LoadFaces: funny lump size in %s",loadmodel->name);
4114 count = l->filelen / sizeof(*in);
4115 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4117 loadmodel->brush.data_surfaces = out;
4118 loadmodel->brush.num_surfaces = count;
4121 for (meshnum = 0;i < count;meshnum++)
4128 for (;i < count;i++, in++, out++)
4130 // check face type first
4131 type = LittleLong(in->type);
4132 if (type != Q3FACETYPE_POLYGON
4133 && type != Q3FACETYPE_PATCH
4134 && type != Q3FACETYPE_MESH
4135 && type != Q3FACETYPE_FLARE)
4137 Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i: unknown face type %i\n", i, type);
4141 n = LittleLong(in->textureindex);
4142 if (n < 0 || n >= loadmodel->brush.num_textures)
4144 Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i: invalid textureindex %i (%i textures)\n", i, n, loadmodel->brush.num_textures);
4147 out->texture = loadmodel->brush.data_textures + n;
4148 n = LittleLong(in->effectindex);
4149 if (n < -1 || n >= loadmodel->brushq3.num_effects)
4151 if (developer.integer >= 2)
4152 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid effectindex %i (%i effects)\n", i, out->texture->name, n, loadmodel->brushq3.num_effects);
4158 out->effect = loadmodel->brushq3.data_effects + n;
4159 n = LittleLong(in->lightmapindex);
4160 if (n >= loadmodel->brushq3.num_lightmaps)
4162 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid lightmapindex %i (%i lightmaps)\n", i, out->texture->name, n, loadmodel->brushq3.num_lightmaps);
4168 out->lightmaptexture = NULL;
4170 out->lightmaptexture = loadmodel->brushq3.data_lightmaps[n];
4172 firstvertex = LittleLong(in->firstvertex);
4173 numvertices = LittleLong(in->numvertices);
4174 firstelement = LittleLong(in->firstelement);
4175 numtriangles = LittleLong(in->numelements) / 3;
4176 if (numtriangles * 3 != LittleLong(in->numelements))
4178 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): numelements %i is not a multiple of 3\n", i, out->texture->name, LittleLong(in->numelements));
4181 if (firstvertex < 0 || firstvertex + numvertices > loadmodel->brushq3.num_vertices)
4183 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid vertex range %i : %i (%i vertices)\n", i, out->texture->name, firstvertex, firstvertex + numvertices, loadmodel->brushq3.num_vertices);
4186 if (firstelement < 0 || firstelement + numtriangles * 3 > loadmodel->brushq3.num_triangles * 3)
4188 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid element range %i : %i (%i elements)\n", i, out->texture->name, firstelement, firstelement + numtriangles * 3, loadmodel->brushq3.num_triangles * 3);
4193 case Q3FACETYPE_POLYGON:
4194 case Q3FACETYPE_MESH:
4195 // no processing necessary
4197 case Q3FACETYPE_PATCH:
4198 patchsize[0] = LittleLong(in->specific.patch.patchsize[0]);
4199 patchsize[1] = LittleLong(in->specific.patch.patchsize[1]);
4200 if (numvertices != (patchsize[0] * patchsize[1]) || patchsize[0] < 3 || patchsize[1] < 3 || !(patchsize[0] & 1) || !(patchsize[1] & 1) || patchsize[0] * patchsize[1] >= min(r_subdivisions_maxvertices.integer, r_subdivisions_collision_maxvertices.integer))
4202 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid patchsize %ix%i\n", i, out->texture->name, patchsize[0], patchsize[1]);
4205 originalvertex3f = loadmodel->brushq3.data_vertex3f + firstvertex * 3;
4206 // convert patch to Q3FACETYPE_MESH
4207 xtess = Q3PatchTesselationOnX(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4208 ytess = Q3PatchTesselationOnY(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4209 // bound to user settings
4210 xtess = bound(r_subdivisions_mintess.integer, xtess, r_subdivisions_maxtess.integer);
4211 ytess = bound(r_subdivisions_mintess.integer, ytess, r_subdivisions_maxtess.integer);
4212 // bound to sanity settings
4213 xtess = bound(1, xtess, 1024);
4214 ytess = bound(1, ytess, 1024);
4215 // bound to user limit on vertices
4216 while ((xtess > 1 || ytess > 1) && (((patchsize[0] - 1) * xtess) + 1) * (((patchsize[1] - 1) * ytess) + 1) > min(r_subdivisions_maxvertices.integer, 262144))
4223 finalwidth = ((patchsize[0] - 1) * xtess) + 1;
4224 finalheight = ((patchsize[1] - 1) * ytess) + 1;
4225 numvertices = finalwidth * finalheight;
4226 numtriangles = (finalwidth - 1) * (finalheight - 1) * 2;
4228 case Q3FACETYPE_FLARE:
4229 if (developer.integer >= 2)
4230 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): Q3FACETYPE_FLARE not supported (yet)\n", i, out->texture->name);
4234 out->num_vertices = numvertices;
4235 out->num_triangles = numtriangles;
4236 if (meshvertices + out->num_vertices > 65536)
4238 meshvertices += out->num_vertices;
4239 meshtriangles += out->num_triangles;
4245 mesh = tempmeshlist[meshnum] = Mod_AllocSurfMesh(loadmodel->mempool, meshvertices, meshtriangles, false, false, true, false);
4248 for (;i < count && meshvertices + out->num_vertices <= mesh->num_vertices;i++, in++, out++)
4250 if (out->num_vertices < 3 || out->num_triangles < 1)
4253 type = LittleLong(in->type);
4254 firstvertex = LittleLong(in->firstvertex);
4255 firstelement = LittleLong(in->firstelement);
4256 out->groupmesh = mesh;
4257 out->num_firstvertex = meshvertices;
4258 out->num_firsttriangle = meshtriangles;
4261 case Q3FACETYPE_POLYGON:
4262 case Q3FACETYPE_MESH:
4263 // no processing necessary
4264 for (j = 0;j < out->num_vertices;j++)
4266 (out->groupmesh->data_vertex3f + 3 * out->num_firstvertex)[j * 3 + 0] = loadmodel->brushq3.data_vertex3f[(firstvertex + j) * 3 + 0];
4267 (out->groupmesh->data_vertex3f + 3 * out->num_firstvertex)[j * 3 + 1] = loadmodel->brushq3.data_vertex3f[(firstvertex + j) * 3 + 1];
4268 (out->groupmesh->data_vertex3f + 3 * out->num_firstvertex)[j * 3 + 2] = loadmodel->brushq3.data_vertex3f[(firstvertex + j) * 3 + 2];
4269 (out->groupmesh->data_texcoordtexture2f + 2 * out->num_firstvertex)[j * 2 + 0] = loadmodel->brushq3.data_texcoordtexture2f[(firstvertex + j) * 2 + 0];
4270 (out->groupmesh->data_texcoordtexture2f + 2 * out->num_firstvertex)[j * 2 + 1] = loadmodel->brushq3.data_texcoordtexture2f[(firstvertex + j) * 2 + 1];
4271 (out->groupmesh->data_texcoordlightmap2f + 2 * out->num_firstvertex)[j * 2 + 0] = loadmodel->brushq3.data_texcoordlightmap2f[(firstvertex + j) * 2 + 0];
4272 (out->groupmesh->data_texcoordlightmap2f + 2 * out->num_firstvertex)[j * 2 + 1] = loadmodel->brushq3.data_texcoordlightmap2f[(firstvertex + j) * 2 + 1];
4273 (out->groupmesh->data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 0] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 0];
4274 (out->groupmesh->data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 1] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 1];
4275 (out->groupmesh->data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 2] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 2];
4276 (out->groupmesh->data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 3] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 3];
4278 for (j = 0;j < out->num_triangles*3;j++)
4279 (out->groupmesh->data_element3i + 3 * out->num_firsttriangle)[j] = loadmodel->brushq3.data_element3i[firstelement + j];
4281 case Q3FACETYPE_PATCH:
4282 patchsize[0] = LittleLong(in->specific.patch.patchsize[0]);
4283 patchsize[1] = LittleLong(in->specific.patch.patchsize[1]);
4284 originalvertex3f = loadmodel->brushq3.data_vertex3f + firstvertex * 3;
4285 originaltexcoordtexture2f = loadmodel->brushq3.data_texcoordtexture2f + firstvertex * 2;
4286 originaltexcoordlightmap2f = loadmodel->brushq3.data_texcoordlightmap2f + firstvertex * 2;
4287 originalcolor4f = loadmodel->brushq3.data_color4f + firstvertex * 4;
4288 // convert patch to Q3FACETYPE_MESH
4289 xtess = Q3PatchTesselationOnX(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4290 ytess = Q3PatchTesselationOnY(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4291 // bound to user settings
4292 xtess = bound(r_subdivisions_mintess.integer, xtess, r_subdivisions_maxtess.integer);
4293 ytess = bound(r_subdivisions_mintess.integer, ytess, r_subdivisions_maxtess.integer);
4294 // bound to sanity settings
4295 xtess = bound(1, xtess, 1024);
4296 ytess = bound(1, ytess, 1024);
4297 // bound to user limit on vertices
4298 while ((xtess > 1 || ytess > 1) && (((patchsize[0] - 1) * xtess) + 1) * (((patchsize[1] - 1) * ytess) + 1) > min(r_subdivisions_maxvertices.integer, 262144))
4305 finalwidth = ((patchsize[0] - 1) * xtess) + 1;
4306 finalheight = ((patchsize[1] - 1) * ytess) + 1;
4307 finalvertices = finalwidth * finalheight;
4308 finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2;
4309 type = Q3FACETYPE_MESH;
4310 // generate geometry
4311 // (note: normals are skipped because they get recalculated)
4312 Q3PatchTesselateFloat(3, sizeof(float[3]), (out->groupmesh->data_vertex3f + 3 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[3]), originalvertex3f, xtess, ytess);
4313 Q3PatchTesselateFloat(2, sizeof(float[2]), (out->groupmesh->data_texcoordtexture2f + 2 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[2]), originaltexcoordtexture2f, xtess, ytess);
4314 Q3PatchTesselateFloat(2, sizeof(float[2]), (out->groupmesh->data_texcoordlightmap2f + 2 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[2]), originaltexcoordlightmap2f, xtess, ytess);
4315 Q3PatchTesselateFloat(4, sizeof(float[4]), (out->groupmesh->data_lightmapcolor4f + 4 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[4]), originalcolor4f, xtess, ytess);
4316 Q3PatchTriangleElements((out->groupmesh->data_element3i + 3 * out->num_firsttriangle), finalwidth, finalheight);
4317 out->num_triangles = Mod_RemoveDegenerateTriangles(out->num_triangles, (out->groupmesh->data_element3i + 3 * out->num_firsttriangle), (out->groupmesh->data_element3i + 3 * out->num_firsttriangle), (out->groupmesh->data_vertex3f + 3 * out->num_firstvertex));
4318 if (developer.integer >= 2)
4320 if (out->num_triangles < finaltriangles)
4321 Con_Printf("Mod_Q3BSP_LoadFaces: %ix%i curve subdivided to %i vertices / %i triangles, %i degenerate triangles removed (leaving %i)\n", patchsize[0], patchsize[1], out->num_vertices, finaltriangles, finaltriangles - out->num_triangles, out->num_triangles);
4323 Con_Printf("Mod_Q3BSP_LoadFaces: %ix%i curve subdivided to %i vertices / %i triangles\n", patchsize[0], patchsize[1], out->num_vertices, out->num_triangles);
4325 // q3map does not put in collision brushes for curves... ugh
4326 // build the lower quality collision geometry
4327 xtess = Q3PatchTesselationOnX(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_collision_tolerance.value);
4328 ytess = Q3PatchTesselationOnY(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_collision_tolerance.value);
4329 // bound to user settings
4330 xtess = bound(r_subdivisions_collision_mintess.integer, xtess, r_subdivisions_collision_maxtess.integer);
4331 ytess = bound(r_subdivisions_collision_mintess.integer, ytess, r_subdivisions_collision_maxtess.integer);
4332 // bound to sanity settings
4333 xtess = bound(1, xtess, 1024);
4334 ytess = bound(1, ytess, 1024);
4335 // bound to user limit on vertices
4336 while ((xtess > 1 || ytess > 1) && (((patchsize[0] - 1) * xtess) + 1) * (((patchsize[1] - 1) * ytess) + 1) > min(r_subdivisions_collision_maxvertices.integer, 262144))
4343 finalwidth = ((patchsize[0] - 1) * xtess) + 1;
4344 finalheight = ((patchsize[1] - 1) * ytess) + 1;
4345 finalvertices = finalwidth * finalheight;
4346 finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2;
4348 out->data_collisionvertex3f = Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * finalvertices);
4349 out->data_collisionelement3i = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * finaltriangles);
4350 out->num_collisionvertices = finalvertices;
4351 out->num_collisiontriangles = finaltriangles;
4352 Q3PatchTesselateFloat(3, sizeof(float[3]), out->data_collisionvertex3f, patchsize[0], patchsize[1], sizeof(float[3]), originalvertex3f, xtess, ytess);
4353 Q3PatchTriangleElements(out->data_collisionelement3i, finalwidth, finalheight);
4355 //Mod_SnapVertices(3, out->num_vertices, (out->groupmesh->data_vertex3f + 3 * out->num_firstvertex), 0.25);
4356 Mod_SnapVertices(3, out->num_collisionvertices, out->data_collisionvertex3f, 1);
4358 oldnumtriangles = out->num_triangles;
4359 oldnumtriangles2 = out->num_collisiontriangles;
4360 out->num_collisiontriangles = Mod_RemoveDegenerateTriangles(out->num_collisiontriangles, out->data_collisionelement3i, out->data_collisionelement3i, out->data_collisionvertex3f);
4361 if (developer.integer)
4362 Con_Printf("Mod_Q3BSP_LoadFaces: %ix%i curve became %i:%i vertices / %i:%i triangles (%i:%i degenerate)\n", patchsize[0], patchsize[1], out->num_vertices, out->num_collisionvertices, oldnumtriangles, oldnumtriangles2, oldnumtriangles - out->num_triangles, oldnumtriangles2 - out->num_collisiontriangles);
4367 meshvertices += out->num_vertices;
4368 meshtriangles += out->num_triangles;
4369 for (j = 0, invalidelements = 0;j < out->num_triangles * 3;j++)
4370 if ((out->groupmesh->data_element3i + 3 * out->num_firsttriangle)[j] < 0 || (out->groupmesh->data_element3i + 3 * out->num_firsttriangle)[j] >= out->num_vertices)
4372 if (invalidelements)
4374 Con_Printf("Mod_Q3BSP_LoadFaces: Warning: face #%i has %i invalid elements, type = %i, texture->name = \"%s\", texture->surfaceflags = %i, firstvertex = %i, numvertices = %i, firstelement = %i, numelements = %i, elements list:\n", i, invalidelements, type, out->texture->name, out->texture->surfaceflags, firstvertex, out->num_vertices, firstelement, out->num_triangles * 3);
4375 for (j = 0;j < out->num_triangles * 3;j++)
4377 Con_Printf(" %i", (out->groupmesh->data_element3i + 3 * out->num_firsttriangle)[j]);
4378 if ((out->groupmesh->data_element3i + 3 * out->num_firsttriangle)[j] < 0 || (out->groupmesh->data_element3i + 3 * out->num_firsttriangle)[j] >= out->num_vertices)
4379 (out->groupmesh->data_element3i + 3 * out->num_firsttriangle)[j] = 0;
4383 // for per pixel lighting
4384 Mod_BuildTextureVectorsAndNormals(out->num_vertices, out->num_triangles, (out->groupmesh->data_vertex3f + 3 * out->num_firstvertex), (out->groupmesh->data_texcoordtexture2f + 2 * out->num_firstvertex), (out->groupmesh->data_element3i + 3 * out->num_firsttriangle), (out->groupmesh->data_svector3f + 3 * out->num_firstvertex), (out->groupmesh->data_tvector3f + 3 * out->num_firstvertex), (out->groupmesh->data_normal3f + 3 * out->num_firstvertex));
4385 // calculate a bounding box
4386 VectorClear(out->mins);
4387 VectorClear(out->maxs);
4388 if (out->num_vertices)
4390 VectorCopy((out->groupmesh->data_vertex3f + 3 * out->num_firstvertex), out->mins);
4391 VectorCopy((out->groupmesh->data_vertex3f + 3 * out->num_firstvertex), out->maxs);
4392 for (j = 1, v = (out->groupmesh->data_vertex3f + 3 * out->num_firstvertex) + 3;j < out->num_vertices;j++, v += 3)
4394 out->mins[0] = min(out->mins[0], v[0]);
4395 out->maxs[0] = max(out->maxs[0], v[0]);
4396 out->mins[1] = min(out->mins[1], v[1]);
4397 out->maxs[1] = max(out->maxs[1], v[1]);
4398 out->mins[2] = min(out->mins[2], v[2]);
4399 out->maxs[2] = max(out->maxs[2], v[2]);
4401 out->mins[0] -= 1.0f;
4402 out->mins[1] -= 1.0f;
4403 out->mins[2] -= 1.0f;
4404 out->maxs[0] += 1.0f;
4405 out->maxs[1] += 1.0f;
4406 out->maxs[2] += 1.0f;
4408 // set lightmap styles for consistency with q1bsp
4409 //out->lightmapinfo->styles[0] = 0;
4410 //out->lightmapinfo->styles[1] = 255;
4411 //out->lightmapinfo->styles[2] = 255;
4412 //out->lightmapinfo->styles[3] = 255;
4416 // now store the completed list of meshes
4417 loadmodel->nummeshes = meshnum;
4418 if (loadmodel->nummeshes)
4420 loadmodel->meshlist = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t *) * loadmodel->nummeshes);
4421 memcpy(loadmodel->meshlist, tempmeshlist, sizeof(surfmesh_t *) * loadmodel->nummeshes);
4424 // free the no longer needed vertex data
4425 loadmodel->brushq3.num_vertices = 0;
4426 Mem_Free(loadmodel->brushq3.data_vertex3f);
4427 loadmodel->brushq3.data_vertex3f = NULL;
4428 loadmodel->brushq3.data_texcoordtexture2f = NULL;
4429 loadmodel->brushq3.data_texcoordlightmap2f = NULL;
4430 loadmodel->brushq3.data_color4f = NULL;
4431 // free the no longer needed triangle data
4432 loadmodel->brushq3.num_triangles = 0;
4433 Mem_Free(loadmodel->brushq3.data_element3i);
4434 loadmodel->brushq3.data_element3i = NULL;
4437 static void Mod_Q3BSP_LoadModels(lump_t *l)
4441 int i, j, n, c, count;
4443 in = (void *)(mod_base + l->fileofs);
4444 if (l->filelen % sizeof(*in))
4445 Host_Error("Mod_Q3BSP_LoadModels: funny lump size in %s",loadmodel->name);
4446 count = l->filelen / sizeof(*in);
4447 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4449 loadmodel->brushq3.data_models = out;
4450 loadmodel->brushq3.num_models = count;
4452 for (i = 0;i < count;i++, in++, out++)
4454 for (j = 0;j < 3;j++)
4456 out->mins[j] = LittleFloat(in->mins[j]);
4457 out->maxs[j] = LittleFloat(in->maxs[j]);
4459 n = LittleLong(in->firstface);
4460 c = LittleLong(in->numfaces);
4461 if (n < 0 || n + c > loadmodel->brush.num_surfaces)
4462 Host_Error("Mod_Q3BSP_LoadModels: invalid face range %i : %i (%i faces)\n", n, n + c, loadmodel->brush.num_surfaces);
4465 n = LittleLong(in->firstbrush);
4466 c = LittleLong(in->numbrushes);
4467 if (n < 0 || n + c > loadmodel->brush.num_brushes)
4468 Host_Error("Mod_Q3BSP_LoadModels: invalid brush range %i : %i (%i brushes)\n", n, n + c, loadmodel->brush.num_brushes);
4469 out->firstbrush = n;
4470 out->numbrushes = c;
4474 static void Mod_Q3BSP_LoadLeafBrushes(lump_t *l)
4480 in = (void *)(mod_base + l->fileofs);
4481 if (l->filelen % sizeof(*in))
4482 Host_Error("Mod_Q3BSP_LoadLeafBrushes: funny lump size in %s",loadmodel->name);
4483 count = l->filelen / sizeof(*in);
4484 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4486 loadmodel->brush.data_leafbrushes = out;
4487 loadmodel->brush.num_leafbrushes = count;
4489 for (i = 0;i < count;i++, in++, out++)
4491 n = LittleLong(*in);
4492 if (n < 0 || n >= loadmodel->brush.num_brushes)
4493 Host_Error("Mod_Q3BSP_LoadLeafBrushes: invalid brush index %i (%i brushes)\n", n, loadmodel->brush.num_brushes);
4498 static void Mod_Q3BSP_LoadLeafFaces(lump_t *l)
4504 in = (void *)(mod_base + l->fileofs);
4505 if (l->filelen % sizeof(*in))
4506 Host_Error("Mod_Q3BSP_LoadLeafFaces: funny lump size in %s",loadmodel->name);
4507 count = l->filelen / sizeof(*in);
4508 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4510 loadmodel->brush.data_leafsurfaces = out;
4511 loadmodel->brush.num_leafsurfaces = count;
4513 for (i = 0;i < count;i++, in++, out++)
4515 n = LittleLong(*in);
4516 if (n < 0 || n >= loadmodel->brush.num_surfaces)
4517 Host_Error("Mod_Q3BSP_LoadLeafFaces: invalid face index %i (%i faces)\n", n, loadmodel->brush.num_surfaces);
4522 static void Mod_Q3BSP_LoadLeafs(lump_t *l)
4526 int i, j, n, c, count;
4528 in = (void *)(mod_base + l->fileofs);
4529 if (l->filelen % sizeof(*in))
4530 Host_Error("Mod_Q3BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
4531 count = l->filelen / sizeof(*in);
4532 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4534 loadmodel->brush.data_leafs = out;
4535 loadmodel->brush.num_leafs = count;
4537 for (i = 0;i < count;i++, in++, out++)
4541 out->clusterindex = LittleLong(in->clusterindex);
4542 out->areaindex = LittleLong(in->areaindex);
4543 for (j = 0;j < 3;j++)
4545 // yes the mins/maxs are ints
4546 out->mins[j] = LittleLong(in->mins[j]) - 1;
4547 out->maxs[j] = LittleLong(in->maxs[j]) + 1;
4549 n = LittleLong(in->firstleafface);
4550 c = LittleLong(in->numleaffaces);
4551 if (n < 0 || n + c > loadmodel->brush.num_leafsurfaces)
4552 Host_Error("Mod_Q3BSP_LoadLeafs: invalid leafsurface range %i : %i (%i leafsurfaces)\n", n, n + c, loadmodel->brush.num_leafsurfaces);
4553 out->firstleafsurface = loadmodel->brush.data_leafsurfaces + n;
4554 out->numleafsurfaces = c;
4555 n = LittleLong(in->firstleafbrush);
4556 c = LittleLong(in->numleafbrushes);
4557 if (n < 0 || n + c > loadmodel->brush.num_leafbrushes)
4558 Host_Error("Mod_Q3BSP_LoadLeafs: invalid leafbrush range %i : %i (%i leafbrushes)\n", n, n + c, loadmodel->brush.num_leafbrushes);
4559 out->firstleafbrush = loadmodel->brush.data_leafbrushes + n;
4560 out->numleafbrushes = c;
4564 static void Mod_Q3BSP_LoadNodes(lump_t *l)
4570 in = (void *)(mod_base + l->fileofs);
4571 if (l->filelen % sizeof(*in))
4572 Host_Error("Mod_Q3BSP_LoadNodes: funny lump size in %s",loadmodel->name);
4573 count = l->filelen / sizeof(*in);
4574 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4576 loadmodel->brush.data_nodes = out;
4577 loadmodel->brush.num_nodes = count;
4579 for (i = 0;i < count;i++, in++, out++)
4582 n = LittleLong(in->planeindex);
4583 if (n < 0 || n >= loadmodel->brush.num_planes)
4584 Host_Error("Mod_Q3BSP_LoadNodes: invalid planeindex %i (%i planes)\n", n, loadmodel->brush.num_planes);
4585 out->plane = loadmodel->brush.data_planes + n;
4586 for (j = 0;j < 2;j++)
4588 n = LittleLong(in->childrenindex[j]);
4591 if (n >= loadmodel->brush.num_nodes)
4592 Host_Error("Mod_Q3BSP_LoadNodes: invalid child node index %i (%i nodes)\n", n, loadmodel->brush.num_nodes);
4593 out->children[j] = loadmodel->brush.data_nodes + n;
4598 if (n >= loadmodel->brush.num_leafs)
4599 Host_Error("Mod_Q3BSP_LoadNodes: invalid child leaf index %i (%i leafs)\n", n, loadmodel->brush.num_leafs);
4600 out->children[j] = (mnode_t *)(loadmodel->brush.data_leafs + n);
4603 for (j = 0;j < 3;j++)
4605 // yes the mins/maxs are ints
4606 out->mins[j] = LittleLong(in->mins[j]) - 1;
4607 out->maxs[j] = LittleLong(in->maxs[j]) + 1;
4611 // set the parent pointers
4612 Mod_Q1BSP_LoadNodes_RecursiveSetParent(loadmodel->brush.data_nodes, NULL);
4615 static void Mod_Q3BSP_LoadLightGrid(lump_t *l)
4618 q3dlightgrid_t *out;
4621 in = (void *)(mod_base + l->fileofs);
4622 if (l->filelen % sizeof(*in))
4623 Host_Error("Mod_Q3BSP_LoadLightGrid: funny lump size in %s",loadmodel->name);
4624 loadmodel->brushq3.num_lightgrid_scale[0] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[0];
4625 loadmodel->brushq3.num_lightgrid_scale[1] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[1];
4626 loadmodel->brushq3.num_lightgrid_scale[2] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[2];
4627 loadmodel->brushq3.num_lightgrid_imins[0] = ceil(loadmodel->brushq3.data_models->mins[0] * loadmodel->brushq3.num_lightgrid_scale[0]);
4628 loadmodel->brushq3.num_lightgrid_imins[1] = ceil(loadmodel->brushq3.data_models->mins[1] * loadmodel->brushq3.num_lightgrid_scale[1]);
4629 loadmodel->brushq3.num_lightgrid_imins[2] = ceil(loadmodel->brushq3.data_models->mins[2] * loadmodel->brushq3.num_lightgrid_scale[2]);
4630 loadmodel->brushq3.num_lightgrid_imaxs[0] = floor(loadmodel->brushq3.data_models->maxs[0] * loadmodel->brushq3.num_lightgrid_scale[0]);
4631 loadmodel->brushq3.num_lightgrid_imaxs[1] = floor(loadmodel->brushq3.data_models->maxs[1] * loadmodel->brushq3.num_lightgrid_scale[1]);
4632 loadmodel->brushq3.num_lightgrid_imaxs[2] = floor(loadmodel->brushq3.data_models->maxs[2] * loadmodel->brushq3.num_lightgrid_scale[2]);
4633 loadmodel->brushq3.num_lightgrid_isize[0] = loadmodel->brushq3.num_lightgrid_imaxs[0] - loadmodel->brushq3.num_lightgrid_imins[0] + 1;
4634 loadmodel->brushq3.num_lightgrid_isize[1] = loadmodel->brushq3.num_lightgrid_imaxs[1] - loadmodel->brushq3.num_lightgrid_imins[1] + 1;
4635 loadmodel->brushq3.num_lightgrid_isize[2] = loadmodel->brushq3.num_lightgrid_imaxs[2] - loadmodel->brushq3.num_lightgrid_imins[2] + 1;
4636 count = loadmodel->brushq3.num_lightgrid_isize[0] * loadmodel->brushq3.num_lightgrid_isize[1] * loadmodel->brushq3.num_lightgrid_isize[2];
4639 if (l->filelen < count * (int)sizeof(*in))
4640 Host_Error("Mod_Q3BSP_LoadLightGrid: invalid lightgrid lump size %i bytes, should be %i bytes (%ix%ix%i)\n", l->filelen, count * sizeof(*in), loadmodel->brushq3.num_lightgrid_dimensions[0], loadmodel->brushq3.num_lightgrid_dimensions[1], loadmodel->brushq3.num_lightgrid_dimensions[2]);
4641 if (l->filelen != count * (int)sizeof(*in))
4642 Con_Printf("Mod_Q3BSP_LoadLightGrid: Warning: calculated lightgrid size %i bytes does not match lump size %i\n", count * sizeof(*in), l->filelen);
4645 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4646 loadmodel->brushq3.data_lightgrid = out;
4647 loadmodel->brushq3.num_lightgrid = count;
4649 // no swapping or validation necessary
4651 memcpy(out, in, count * (int)sizeof(*out));
4654 // no data, fill with white
4656 for (i = 0;i < count;i++)
4658 out[i].ambientrgb[0] = 128;
4659 out[i].ambientrgb[1] = 128;
4660 out[i].ambientrgb[2] = 128;
4661 out[i].diffusergb[0] = 0;
4662 out[i].diffusergb[1] = 0;
4663 out[i].diffusergb[2] = 0;
4664 out[i].diffusepitch = 0;
4665 out[i].diffuseyaw = 0;
4669 Matrix4x4_CreateScale3(&loadmodel->brushq3.num_lightgrid_indexfromworld, loadmodel->brushq3.num_lightgrid_scale[0], loadmodel->brushq3.num_lightgrid_scale[1], loadmodel->brushq3.num_lightgrid_scale[2]);
4670 Matrix4x4_ConcatTranslate(&loadmodel->brushq3.num_lightgrid_indexfromworld, -loadmodel->brushq3.num_lightgrid_imins[0] * loadmodel->brushq3.num_lightgrid_cellsize[0], -loadmodel->brushq3.num_lightgrid_imins[1] * loadmodel->brushq3.num_lightgrid_cellsize[1], -loadmodel->brushq3.num_lightgrid_imins[2] * loadmodel->brushq3.num_lightgrid_cellsize[2]);
4673 static void Mod_Q3BSP_LoadPVS(lump_t *l)
4678 if (l->filelen == 0)
4681 // unvised maps often have cluster indices even without pvs, so check
4682 // leafs to find real number of clusters
4683 loadmodel->brush.num_pvsclusters = 1;
4684 for (i = 0;i < loadmodel->brush.num_leafs;i++)
4685 loadmodel->brush.num_pvsclusters = max(loadmodel->brush.num_pvsclusters, loadmodel->brush.data_leafs[i].clusterindex + 1);
4688 loadmodel->brush.num_pvsclusterbytes = (loadmodel->brush.num_pvsclusters + 7) / 8;
4689 totalchains = loadmodel->brush.num_pvsclusterbytes * loadmodel->brush.num_pvsclusters;
4690 loadmodel->brush.data_pvsclusters = Mem_Alloc(loadmodel->mempool, totalchains);
4691 memset(loadmodel->brush.data_pvsclusters, 0xFF, totalchains);
4695 in = (void *)(mod_base + l->fileofs);
4697 Host_Error("Mod_Q3BSP_LoadPVS: funny lump size in %s",loadmodel->name);
4699 loadmodel->brush.num_pvsclusters = LittleLong(in->numclusters);
4700 loadmodel->brush.num_pvsclusterbytes = LittleLong(in->chainlength);
4701 if (loadmodel->brush.num_pvsclusterbytes < ((loadmodel->brush.num_pvsclusters + 7) / 8))
4702 Host_Error("Mod_Q3BSP_LoadPVS: (chainlength = %i) < ((numclusters = %i) + 7) / 8\n", loadmodel->brush.num_pvsclusterbytes, loadmodel->brush.num_pvsclusters);
4703 totalchains = loadmodel->brush.num_pvsclusterbytes * loadmodel->brush.num_pvsclusters;
4704 if (l->filelen < totalchains + (int)sizeof(*in))
4705 Host_Error("Mod_Q3BSP_LoadPVS: lump too small ((numclusters = %i) * (chainlength = %i) + sizeof(q3dpvs_t) == %i bytes, lump is %i bytes)\n", loadmodel->brush.num_pvsclusters, loadmodel->brush.num_pvsclusterbytes, totalchains + sizeof(*in), l->filelen);
4707 loadmodel->brush.data_pvsclusters = Mem_Alloc(loadmodel->mempool, totalchains);
4708 memcpy(loadmodel->brush.data_pvsclusters, (qbyte *)(in + 1), totalchains);
4711 static void Mod_Q3BSP_LightPoint(model_t *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal)
4713 int i, j, k, index[3];
4714 float transformed[3], blend1, blend2, blend, yaw, pitch, sinpitch;
4715 q3dlightgrid_t *a, *s;
4716 // FIXME: write this
4717 if (!model->brushq3.num_lightgrid)
4719 ambientcolor[0] = 1;
4720 ambientcolor[1] = 1;
4721 ambientcolor[2] = 1;
4724 Matrix4x4_Transform(&model->brushq3.num_lightgrid_indexfromworld, p, transformed);
4725 //Matrix4x4_Print(&model->brushq3.num_lightgrid_indexfromworld);
4726 //Con_Printf("%f %f %f transformed %f %f %f clamped ", p[0], p[1], p[2], transformed[0], transformed[1], transformed[2]);
4727 transformed[0] = bound(0, transformed[0], model->brushq3.num_lightgrid_isize[0] - 1);
4728 transformed[1] = bound(0, transformed[1], model->brushq3.num_lightgrid_isize[1] - 1);
4729 transformed[2] = bound(0, transformed[2], model->brushq3.num_lightgrid_isize[2] - 1);
4730 index[0] = (int)floor(transformed[0]);
4731 index[1] = (int)floor(transformed[1]);
4732 index[2] = (int)floor(transformed[2]);
4733 //Con_Printf("%f %f %f index %i %i %i:\n", transformed[0], transformed[1], transformed[2], index[0], index[1], index[2]);
4734 // now lerp the values
4735 VectorClear(diffusenormal);
4736 a = &model->brushq3.data_lightgrid[(index[2] * model->brushq3.num_lightgrid_isize[1] + index[1]) * model->brushq3.num_lightgrid_isize[0] + index[0]];
4737 for (k = 0;k < 2;k++)
4739 blend1 = (k ? (transformed[2] - index[2]) : (1 - (transformed[2] - index[2])));
4740 if (blend1 < 0.001f || index[2] + k >= model->brushq3.num_lightgrid_isize[2])
4742 for (j = 0;j < 2;j++)
4744 blend2 = blend1 * (j ? (transformed[1] - index[1]) : (1 - (transformed[1] - index[1])));
4745 if (blend2 < 0.001f || index[1] + j >= model->brushq3.num_lightgrid_isize[1])
4747 for (i = 0;i < 2;i++)
4749 blend = blend2 * (i ? (transformed[0] - index[0]) : (1 - (transformed[0] - index[0])));
4750 if (blend < 0.001f || index[0] + i >= model->brushq3.num_lightgrid_isize[0])
4752 s = a + (k * model->brushq3.num_lightgrid_isize[1] + j) * model->brushq3.num_lightgrid_isize[0] + i;
4753 VectorMA(ambientcolor, blend * (1.0f / 128.0f), s->ambientrgb, ambientcolor);
4754 VectorMA(diffusecolor, blend * (1.0f / 128.0f), s->diffusergb, diffusecolor);
4755 pitch = s->diffusepitch * M_PI / 128;
4756 yaw = s->diffuseyaw * M_PI / 128;
4757 sinpitch = sin(pitch);
4758 diffusenormal[0] += blend * (cos(yaw) * sinpitch);
4759 diffusenormal[1] += blend * (sin(yaw) * sinpitch);
4760 diffusenormal[2] += blend * (cos(pitch));
4761 //Con_Printf("blend %f: ambient %i %i %i, diffuse %i %i %i, diffusepitch %i diffuseyaw %i (%f %f, normal %f %f %f)\n", blend, s->ambientrgb[0], s->ambientrgb[1], s->ambientrgb[2], s->diffusergb[0], s->diffusergb[1], s->diffusergb[2], s->diffusepitch, s->diffuseyaw, pitch, yaw, (cos(yaw) * cospitch), (sin(yaw) * cospitch), (-sin(pitch)));
4765 VectorNormalize(diffusenormal);
4766 //Con_Printf("result: ambient %f %f %f diffuse %f %f %f diffusenormal %f %f %f\n", ambientcolor[0], ambientcolor[1], ambientcolor[2], diffusecolor[0], diffusecolor[1], diffusecolor[2], diffusenormal[0], diffusenormal[1], diffusenormal[2]);
4769 static void Mod_Q3BSP_TracePoint_RecursiveBSPNode(trace_t *trace, model_t *model, mnode_t *node, const vec3_t point, int markframe)
4774 // find which leaf the point is in
4776 node = node->children[DotProduct(point, node->plane->normal) < node->plane->dist];
4777 // point trace the brushes
4778 leaf = (mleaf_t *)node;
4779 for (i = 0;i < leaf->numleafbrushes;i++)
4781 brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf;
4782 if (brush && brush->markframe != markframe && BoxesOverlap(point, point, brush->mins, brush->maxs))
4784 brush->markframe = markframe;
4785 Collision_TracePointBrushFloat(trace, point, brush);
4788 // can't do point traces on curves (they have no thickness)
4791 static void Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace_t *trace, model_t *model, mnode_t *node, const vec3_t start, const vec3_t end, vec_t startfrac, vec_t endfrac, const vec3_t linestart, const vec3_t lineend, int markframe, const vec3_t segmentmins, const vec3_t segmentmaxs)
4793 int i, startside, endside;
4794 float dist1, dist2, midfrac, mid[3], nodesegmentmins[3], nodesegmentmaxs[3];
4796 msurface_t *surface;
4798 if (startfrac > trace->realfraction)
4800 // note: all line fragments past first impact fraction are ignored
4801 if (VectorCompare(start, end))
4803 // find which leaf the point is in
4805 node = node->children[DotProduct(start, node->plane->normal) < node->plane->dist];
4809 // find which nodes the line is in and recurse for them
4812 // recurse down node sides
4813 dist1 = PlaneDiff(start, node->plane);
4814 dist2 = PlaneDiff(end, node->plane);
4815 startside = dist1 < 0;
4816 endside = dist2 < 0;
4817 if (startside == endside)
4819 // most of the time the line fragment is on one side of the plane
4820 node = node->children[startside];
4824 // line crosses node plane, split the line
4825 midfrac = dist1 / (dist1 - dist2);
4826 VectorLerp(start, midfrac, end, mid);
4827 // take the near side first
4828 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, node->children[startside], start, mid, startfrac, midfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
4829 if (midfrac <= trace->realfraction)
4830 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, node->children[endside], mid, end, midfrac, endfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
4836 nodesegmentmins[0] = min(start[0], end[0]);
4837 nodesegmentmins[1] = min(start[1], end[1]);
4838 nodesegmentmins[2] = min(start[2], end[2]);
4839 nodesegmentmaxs[0] = max(start[0], end[0]);
4840 nodesegmentmaxs[1] = max(start[1], end[1]);
4841 nodesegmentmaxs[2] = max(start[2], end[2]);
4842 // line trace the brushes
4843 leaf = (mleaf_t *)node;
4844 for (i = 0;i < leaf->numleafbrushes;i++)
4846 brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf;
4847 if (brush && brush->markframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, brush->mins, brush->maxs))
4849 brush->markframe = markframe;
4850 Collision_TraceLineBrushFloat(trace, linestart, lineend, brush, brush);
4851 if (startfrac > trace->realfraction)
4855 // can't do point traces on curves (they have no thickness)
4856 if (mod_q3bsp_curves_collisions.integer && !VectorCompare(start, end))
4858 // line trace the curves
4859 for (i = 0;i < leaf->numleafsurfaces;i++)
4861 surface = model->brush.data_surfaces + leaf->firstleafsurface[i];
4862 if (surface->num_collisiontriangles && surface->collisionmarkframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, surface->mins, surface->maxs))
4864 surface->collisionmarkframe = markframe;
4865 Collision_TraceLineTriangleMeshFloat(trace, linestart, lineend, surface->num_collisiontriangles, surface->data_collisionelement3i, surface->data_collisionvertex3f, surface->texture->supercontents, segmentmins, segmentmaxs);
4866 if (startfrac > trace->realfraction)
4873 static void Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace_t *trace, model_t *model, mnode_t *node, const colbrushf_t *thisbrush_start, const colbrushf_t *thisbrush_end, int markframe, const vec3_t segmentmins, const vec3_t segmentmaxs)
4877 float nodesegmentmins[3], nodesegmentmaxs[3];
4880 msurface_t *surface;
4882 // find which nodes the line is in and recurse for them
4885 // recurse down node sides
4886 int startside, endside;
4887 float dist1near, dist1far, dist2near, dist2far;
4888 BoxPlaneCornerDistances(thisbrush_start->mins, thisbrush_start->maxs, node->plane, &dist1near, &dist1far);
4889 BoxPlaneCornerDistances(thisbrush_end->mins, thisbrush_end->maxs, node->plane, &dist2near, &dist2far);
4890 startside = dist1near < 0;
4891 startside = dist1near < 0 ? (dist1far < 0 ? 1 : 2) : (dist1far < 0 ? 2 : 0);
4892 endside = dist2near < 0 ? (dist2far < 0 ? 1 : 2) : (dist2far < 0 ? 2 : 0);
4893 if (startside == 2 || endside == 2)
4895 // brushes cross plane
4896 // do not clip anything, just take both sides
4897 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
4898 node = node->children[1];
4905 node = node->children[0];
4910 //midf0 = dist1near / (dist1near - dist2near);
4911 //midf1 = dist1far / (dist1far - dist2far);
4912 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
4913 node = node->children[1];
4921 //midf0 = dist1near / (dist1near - dist2near);
4922 //midf1 = dist1far / (dist1far - dist2far);
4923 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
4924 node = node->children[1];
4929 node = node->children[1];
4934 if (dist1near < 0 && dist2near < 0 && dist1far < 0 && dist2far < 0){node = node->children[1];continue;}
4935 if (dist1near < 0 && dist2near < 0 && dist1far < 0 && dist2far >= 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
4936 if (dist1near < 0 && dist2near < 0 && dist1far >= 0 && dist2far < 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
4937 if (dist1near < 0 && dist2near < 0 && dist1far >= 0 && dist2far >= 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
4938 if (dist1near < 0 && dist2near >= 0 && dist1far < 0 && dist2far < 0){node = node->children[1];continue;}
4939 if (dist1near < 0 && dist2near >= 0 && dist1far < 0 && dist2far >= 0){}
4940 if (dist1near < 0 && dist2near >= 0 && dist1far >= 0 && dist2far < 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
4941 if (dist1near < 0 && dist2near >= 0 && dist1far >= 0 && dist2far >= 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
4942 if (dist1near >= 0 && dist2near < 0 && dist1far < 0 && dist2far < 0){node = node->children[1];continue;}
4943 if (dist1near >= 0 && dist2near < 0 && dist1far < 0 && dist2far >= 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
4944 if (dist1near >= 0 && dist2near < 0 && dist1far >= 0 && dist2far < 0){}
4945 if (dist1near >= 0 && dist2near < 0 && dist1far >= 0 && dist2far >= 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
4946 if (dist1near >= 0 && dist2near >= 0 && dist1far < 0 && dist2far < 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
4947 if (dist1near >= 0 && dist2near >= 0 && dist1far < 0 && dist2far >= 0){node = node->children[0];continue;}
4948 if (dist1near >= 0 && dist2near >= 0 && dist1far >= 0 && dist2far < 0){node = node->children[0];continue;}
4949 if (dist1near >= 0 && dist2near >= 0 && dist1far >= 0 && dist2far >= 0){node = node->children[0];continue;}
4951 if (dist2near < 0) // d1n<0 && d2n<0
4953 if (dist2near < 0) // d1n<0 && d2n<0
4955 if (dist2near < 0) // d1n<0 && d2n<0
4958 else // d1n<0 && d2n>0
4962 else // d1n<0 && d2n>0
4964 if (dist2near < 0) // d1n<0 && d2n<0
4967 else // d1n<0 && d2n>0
4972 else // d1n<0 && d2n>0
4978 if (dist2near < 0) // d1n>0 && d2n<0
4981 else // d1n>0 && d2n>0
4985 if (dist1near < 0 == dist1far < 0 == dist2near < 0 == dist2far < 0)
4987 node = node->children[startside];
4990 if (dist1near < dist2near)
4995 node = node->children[0];
5000 node = node->children[1];
5003 // dist1near < 0 && dist2far >= 0
5009 startside = dist1near < 0 ? (dist1far < 0 ? 1 : 2) : (dist1far < 0 ? 2 : 0);
5010 endside = dist2near < 0 ? (dist2far < 0 ? 1 : 2) : (dist2far < 0 ? 2 : 0);
5011 if (startside == 2 || endside == 2)
5013 // brushes cross plane
5014 // do not clip anything, just take both sides
5015 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
5016 node = node->children[1];
5018 else if (startside == endside)
5019 node = node->children[startside];
5020 else if (startside == 0) // endside = 1 (start infront, end behind)
5023 else // startside == 1 endside = 0 (start behind, end infront)
5029 node = node->children[startside];
5032 // start and end brush cross plane
5038 if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
5039 node = node->children[1];
5040 else if (dist1near < 0 && dist1far < 0 && dist2near >= 0 && dist2far >= 0)
5041 else if (dist1near >= 0 && dist1far >= 0 && dist2near < 0 && dist2far < 0)
5042 else if (dist1near >= 0 && dist1far >= 0 && dist2near >= 0 && dist2far >= 0)
5043 node = node->children[0];
5045 if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
5046 if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
5047 if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
5048 if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
5049 if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
5052 else if (dist1near >= 0 && dist1far >= 0)
5055 else // mixed (lying on plane)
5059 if (dist2near < 0 && dist2far < 0)
5063 node = node->children[1];
5065 if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
5066 node = node->children[0];
5067 else if (dist1near >= 0 && dist1far >= 0 && dist2near >= 0 && dist2far >= 0)
5068 node = node->children[1];
5072 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, node->children[startside], start, mid, startfrac, midfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
5073 node = node->children[1];
5075 sides = dist1near || dist1near < 0 | dist1far < 0 | dist2near < 0 | dist
5076 startside = dist1 < 0;
5077 endside = dist2 < 0;
5078 if (startside == endside)
5080 // most of the time the line fragment is on one side of the plane
5081 node = node->children[startside];
5085 // line crosses node plane, split the line
5086 midfrac = dist1 / (dist1 - dist2);
5087 VectorLerp(start, midfrac, end, mid);
5088 // take the near side first
5089 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, node->children[startside], start, mid, startfrac, midfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
5090 if (midfrac <= trace->fraction)
5091 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, node->children[endside], mid, end, midfrac, endfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
5099 nodesegmentmins[0] = max(segmentmins[0], node->mins[0]);
5100 nodesegmentmins[1] = max(segmentmins[1], node->mins[1]);
5101 nodesegmentmins[2] = max(segmentmins[2], node->mins[2]);
5102 nodesegmentmaxs[0] = min(segmentmaxs[0], node->maxs[0]);
5103 nodesegmentmaxs[1] = min(segmentmaxs[1], node->maxs[1]);
5104 nodesegmentmaxs[2] = min(segmentmaxs[2], node->maxs[2]);
5105 if (nodesegmentmins[0] > nodesegmentmaxs[0] || nodesegmentmins[1] > nodesegmentmaxs[1] || nodesegmentmins[2] > nodesegmentmaxs[2])
5109 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, model, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
5110 node = node->children[1];
5113 // FIXME: could be made faster by copying TraceLine code and making it use
5114 // box plane distances... (variant on the BoxOnPlaneSide code)
5117 nodesegmentmins[0] = max(segmentmins[0], node->mins[0]);
5118 nodesegmentmins[1] = max(segmentmins[1], node->mins[1]);
5119 nodesegmentmins[2] = max(segmentmins[2], node->mins[2]);
5120 nodesegmentmaxs[0] = min(segmentmaxs[0], node->maxs[0]);
5121 nodesegmentmaxs[1] = min(segmentmaxs[1], node->maxs[1]);
5122 nodesegmentmaxs[2] = min(segmentmaxs[2], node->maxs[2]);
5123 if (nodesegmentmins[0] > nodesegmentmaxs[0] || nodesegmentmins[1] > nodesegmentmaxs[1] || nodesegmentmins[2] > nodesegmentmaxs[2])
5127 if (mod_q3bsp_debugtracebrush.integer == 2)
5129 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
5130 node = node->children[1];
5133 else if (mod_q3bsp_debugtracebrush.integer == 1)
5135 // recurse down node sides
5136 sides = BoxOnPlaneSide(nodesegmentmins, nodesegmentmaxs, node->plane);
5139 // segment box crosses plane
5140 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
5141 node = node->children[1];
5144 // take whichever side the segment box is on
5145 node = node->children[sides - 1];
5150 // recurse down node sides
5151 sides = BoxOnPlaneSide(nodesegmentmins, nodesegmentmaxs, node->plane);
5154 // segment box crosses plane
5155 // now check start and end brush boxes to handle a lot of 'diagonal' cases more efficiently...
5156 sides = BoxOnPlaneSide(thisbrush_start->mins, thisbrush_start->maxs, node->plane) | BoxOnPlaneSide(thisbrush_end->mins, thisbrush_end->maxs, node->plane);
5159 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
5160 node = node->children[1];
5164 // take whichever side the segment box is on
5165 node = node->children[sides - 1];
5171 // FIXME: could be made faster by copying TraceLine code and making it use
5172 // box plane distances... (variant on the BoxOnPlaneSide code)
5175 nodesegmentmins[0] = max(segmentmins[0], node->mins[0]);
5176 nodesegmentmins[1] = max(segmentmins[1], node->mins[1]);
5177 nodesegmentmins[2] = max(segmentmins[2], node->mins[2]);
5178 nodesegmentmaxs[0] = min(segmentmaxs[0], node->maxs[0]);
5179 nodesegmentmaxs[1] = min(segmentmaxs[1], node->maxs[1]);
5180 nodesegmentmaxs[2] = min(segmentmaxs[2], node->maxs[2]);
5181 if (nodesegmentmins[0] > nodesegmentmaxs[0] || nodesegmentmins[1] > nodesegmentmaxs[1] || nodesegmentmins[2] > nodesegmentmaxs[2])
5185 if (mod_q3bsp_debugtracebrush.integer == 2)
5187 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
5188 node = node->children[1];
5190 else if (mod_q3bsp_debugtracebrush.integer == 1)
5192 // recurse down node sides
5193 sides = BoxOnPlaneSide(nodesegmentmins, nodesegmentmaxs, node->plane);
5196 // segment box crosses plane
5197 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
5198 node = node->children[1];
5202 // take whichever side the segment box is on
5203 node = node->children[sides - 1];
5208 // recurse down node sides
5209 sides = BoxOnPlaneSide(nodesegmentmins, nodesegmentmaxs, node->plane);
5212 // segment box crosses plane
5213 // now check start and end brush boxes to handle a lot of 'diagonal' cases more efficiently...
5214 sides = BoxOnPlaneSide(thisbrush_start->mins, thisbrush_start->maxs, node->plane) | BoxOnPlaneSide(thisbrush_end->mins, thisbrush_end->maxs, node->plane);
5217 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
5221 // take whichever side the segment box is on
5222 node = node->children[sides - 1];
5227 leaf = (mleaf_t *)node;
5228 for (i = 0;i < leaf->numleafbrushes;i++)
5230 brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf;
5231 if (brush && brush->markframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, brush->mins, brush->maxs))
5233 brush->markframe = markframe;
5234 Collision_TraceBrushBrushFloat(trace, thisbrush_start, thisbrush_end, brush, brush);
5237 if (mod_q3bsp_curves_collisions.integer)
5239 for (i = 0;i < leaf->numleafsurfaces;i++)
5241 surface = model->brush.data_surfaces + leaf->firstleafsurface[i];
5242 if (surface->num_collisiontriangles && surface->collisionmarkframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, surface->mins, surface->maxs))
5244 surface->collisionmarkframe = markframe;
5245 Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, surface->num_collisiontriangles, surface->data_collisionelement3i, surface->data_collisionvertex3f, surface->texture->supercontents, segmentmins, segmentmaxs);
5251 static void Mod_Q3BSP_TraceBox(model_t *model, int frame, trace_t *trace, const vec3_t boxstartmins, const vec3_t boxstartmaxs, const vec3_t boxendmins, const vec3_t boxendmaxs, int hitsupercontentsmask)
5254 float segmentmins[3], segmentmaxs[3];
5255 colbrushf_t *thisbrush_start, *thisbrush_end;
5256 matrix4x4_t startmatrix, endmatrix;
5257 static int markframe = 0;
5258 msurface_t *surface;
5260 memset(trace, 0, sizeof(*trace));
5261 trace->fraction = 1;
5262 trace->realfraction = 1;
5263 trace->hitsupercontentsmask = hitsupercontentsmask;
5264 Matrix4x4_CreateIdentity(&startmatrix);
5265 Matrix4x4_CreateIdentity(&endmatrix);
5266 segmentmins[0] = min(boxstartmins[0], boxendmins[0]);
5267 segmentmins[1] = min(boxstartmins[1], boxendmins[1]);
5268 segmentmins[2] = min(boxstartmins[2], boxendmins[2]);
5269 segmentmaxs[0] = max(boxstartmaxs[0], boxendmaxs[0]);
5270 segmentmaxs[1] = max(boxstartmaxs[1], boxendmaxs[1]);
5271 segmentmaxs[2] = max(boxstartmaxs[2], boxendmaxs[2]);
5272 if (mod_q3bsp_optimizedtraceline.integer && VectorCompare(boxstartmins, boxstartmaxs) && VectorCompare(boxendmins, boxendmaxs))
5274 if (VectorCompare(boxstartmins, boxendmins))
5277 if (model->brush.submodel)
5279 for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
5280 if (brush->colbrushf)
5281 Collision_TracePointBrushFloat(trace, boxstartmins, brush->colbrushf);
5284 Mod_Q3BSP_TracePoint_RecursiveBSPNode(trace, model, model->brush.data_nodes, boxstartmins, ++markframe);
5289 if (model->brush.submodel)
5291 for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
5292 if (brush->colbrushf)
5293 Collision_TraceLineBrushFloat(trace, boxstartmins, boxendmins, brush->colbrushf, brush->colbrushf);
5294 if (mod_q3bsp_curves_collisions.integer)
5295 for (i = 0, surface = model->brush.data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
5296 if (surface->num_collisiontriangles)
5297 Collision_TraceLineTriangleMeshFloat(trace, boxstartmins, boxendmins, surface->num_collisiontriangles, surface->data_collisionelement3i, surface->data_collisionvertex3f, surface->texture->supercontents, segmentmins, segmentmaxs);
5300 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, model->brush.data_nodes, boxstartmins, boxendmins, 0, 1, boxstartmins, boxendmins, ++markframe, segmentmins, segmentmaxs);
5305 // box trace, performed as brush trace
5306 thisbrush_start = Collision_BrushForBox(&startmatrix, boxstartmins, boxstartmaxs);
5307 thisbrush_end = Collision_BrushForBox(&endmatrix, boxendmins, boxendmaxs);
5308 if (model->brush.submodel)
5310 for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
5311 if (brush->colbrushf)
5312 Collision_TraceBrushBrushFloat(trace, thisbrush_start, thisbrush_end, brush->colbrushf, brush->colbrushf);
5313 if (mod_q3bsp_curves_collisions.integer)
5314 for (i = 0, surface = model->brush.data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
5315 if (surface->num_collisiontriangles)
5316 Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, surface->num_collisiontriangles, surface->data_collisionelement3i, surface->data_collisionvertex3f, surface->texture->supercontents, segmentmins, segmentmaxs);
5319 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, model, model->brush.data_nodes, thisbrush_start, thisbrush_end, ++markframe, segmentmins, segmentmaxs);
5323 static int Mod_Q3BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents)
5325 int supercontents = 0;
5326 if (nativecontents & CONTENTSQ3_SOLID)
5327 supercontents |= SUPERCONTENTS_SOLID;
5328 if (nativecontents & CONTENTSQ3_WATER)
5329 supercontents |= SUPERCONTENTS_WATER;
5330 if (nativecontents & CONTENTSQ3_SLIME)
5331 supercontents |= SUPERCONTENTS_SLIME;
5332 if (nativecontents & CONTENTSQ3_LAVA)
5333 supercontents |= SUPERCONTENTS_LAVA;
5334 if (nativecontents & CONTENTSQ3_BODY)
5335 supercontents |= SUPERCONTENTS_BODY;
5336 if (nativecontents & CONTENTSQ3_CORPSE)
5337 supercontents |= SUPERCONTENTS_CORPSE;
5338 if (nativecontents & CONTENTSQ3_NODROP)
5339 supercontents |= SUPERCONTENTS_NODROP;
5340 return supercontents;
5343 static int Mod_Q3BSP_NativeContentsFromSuperContents(model_t *model, int supercontents)
5345 int nativecontents = 0;
5346 if (supercontents & SUPERCONTENTS_SOLID)
5347 nativecontents |= CONTENTSQ3_SOLID;
5348 if (supercontents & SUPERCONTENTS_WATER)
5349 nativecontents |= CONTENTSQ3_WATER;
5350 if (supercontents & SUPERCONTENTS_SLIME)
5351 nativecontents |= CONTENTSQ3_SLIME;
5352 if (supercontents & SUPERCONTENTS_LAVA)
5353 nativecontents |= CONTENTSQ3_LAVA;
5354 if (supercontents & SUPERCONTENTS_BODY)
5355 nativecontents |= CONTENTSQ3_BODY;
5356 if (supercontents & SUPERCONTENTS_CORPSE)
5357 nativecontents |= CONTENTSQ3_CORPSE;
5358 if (supercontents & SUPERCONTENTS_NODROP)
5359 nativecontents |= CONTENTSQ3_NODROP;
5360 return nativecontents;
5363 void Mod_Q3BSP_RecursiveFindNumLeafs(mnode_t *node)
5368 Mod_Q3BSP_RecursiveFindNumLeafs(node->children[0]);
5369 node = node->children[1];
5371 numleafs = ((mleaf_t *)node - loadmodel->brush.data_leafs) + 1;
5372 if (loadmodel->brush.num_leafs < numleafs)
5373 loadmodel->brush.num_leafs = numleafs;
5376 void Mod_Q3BSP_Load(model_t *mod, void *buffer)
5378 int i, j, numshadowmeshtriangles;
5379 q3dheader_t *header;
5380 float corner[3], yawradius, modelradius;
5381 msurface_t *surface;
5383 mod->type = mod_brushq3;
5384 mod->numframes = 2; // although alternate textures are not supported it is annoying to complain about no such frame 1
5387 header = (q3dheader_t *)buffer;
5389 i = LittleLong(header->version);
5390 if (i != Q3BSPVERSION)
5391 Host_Error("Mod_Q3BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q3BSPVERSION);
5392 if (mod->isworldmodel)
5393 Cvar_SetValue("halflifebsp", false);
5395 mod->soundfromcenter = true;
5396 mod->TraceBox = Mod_Q3BSP_TraceBox;
5397 mod->brush.SuperContentsFromNativeContents = Mod_Q3BSP_SuperContentsFromNativeContents;
5398 mod->brush.NativeContentsFromSuperContents = Mod_Q3BSP_NativeContentsFromSuperContents;
5399 mod->brush.GetPVS = Mod_Q1BSP_GetPVS;
5400 mod->brush.FatPVS = Mod_Q1BSP_FatPVS;
5401 mod->brush.BoxTouchingPVS = Mod_Q1BSP_BoxTouchingPVS;
5402 mod->brush.BoxTouchingVisibleLeafs = Mod_Q1BSP_BoxTouchingVisibleLeafs;
5403 mod->brush.LightPoint = Mod_Q3BSP_LightPoint;
5404 mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
5405 mod->Draw = R_Q1BSP_Draw;
5406 mod->GetLightInfo = R_Q1BSP_GetLightInfo;
5407 mod->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
5408 mod->DrawLight = R_Q1BSP_DrawLight;
5410 mod_base = (qbyte *)header;
5412 // swap all the lumps
5413 header->ident = LittleLong(header->ident);
5414 header->version = LittleLong(header->version);
5415 for (i = 0;i < Q3HEADER_LUMPS;i++)
5417 header->lumps[i].fileofs = LittleLong(header->lumps[i].fileofs);
5418 header->lumps[i].filelen = LittleLong(header->lumps[i].filelen);
5421 Mod_Q3BSP_LoadEntities(&header->lumps[Q3LUMP_ENTITIES]);
5422 Mod_Q3BSP_LoadTextures(&header->lumps[Q3LUMP_TEXTURES]);
5423 Mod_Q3BSP_LoadPlanes(&header->lumps[Q3LUMP_PLANES]);
5424 Mod_Q3BSP_LoadBrushSides(&header->lumps[Q3LUMP_BRUSHSIDES]);
5425 Mod_Q3BSP_LoadBrushes(&header->lumps[Q3LUMP_BRUSHES]);
5426 Mod_Q3BSP_LoadEffects(&header->lumps[Q3LUMP_EFFECTS]);
5427 Mod_Q3BSP_LoadVertices(&header->lumps[Q3LUMP_VERTICES]);
5428 Mod_Q3BSP_LoadTriangles(&header->lumps[Q3LUMP_TRIANGLES]);
5429 Mod_Q3BSP_LoadLightmaps(&header->lumps[Q3LUMP_LIGHTMAPS]);
5430 Mod_Q3BSP_LoadFaces(&header->lumps[Q3LUMP_FACES]);
5431 Mod_Q3BSP_LoadModels(&header->lumps[Q3LUMP_MODELS]);
5432 Mod_Q3BSP_LoadLeafBrushes(&header->lumps[Q3LUMP_LEAFBRUSHES]);
5433 Mod_Q3BSP_LoadLeafFaces(&header->lumps[Q3LUMP_LEAFFACES]);
5434 Mod_Q3BSP_LoadLeafs(&header->lumps[Q3LUMP_LEAFS]);
5435 Mod_Q3BSP_LoadNodes(&header->lumps[Q3LUMP_NODES]);
5436 Mod_Q3BSP_LoadLightGrid(&header->lumps[Q3LUMP_LIGHTGRID]);
5437 Mod_Q3BSP_LoadPVS(&header->lumps[Q3LUMP_PVS]);
5438 loadmodel->brush.numsubmodels = loadmodel->brushq3.num_models;
5440 // make a single combined shadow mesh to allow optimized shadow volume creation
5441 numshadowmeshtriangles = 0;
5442 for (j = 0, surface = loadmodel->brush.data_surfaces;j < loadmodel->brush.num_surfaces;j++, surface++)
5444 surface->num_firstshadowmeshtriangle = numshadowmeshtriangles;
5445 numshadowmeshtriangles += surface->num_triangles;
5447 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Begin(loadmodel->mempool, numshadowmeshtriangles * 3, numshadowmeshtriangles, NULL, NULL, NULL, false, false, true);
5448 for (j = 0, surface = loadmodel->brush.data_surfaces;j < loadmodel->brush.num_surfaces;j++, surface++)
5449 Mod_ShadowMesh_AddMesh(loadmodel->mempool, loadmodel->brush.shadowmesh, NULL, NULL, NULL, (surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex), NULL, NULL, NULL, NULL, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
5450 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Finish(loadmodel->mempool, loadmodel->brush.shadowmesh, false, true);
5451 Mod_BuildTriangleNeighbors(loadmodel->brush.shadowmesh->neighbor3i, loadmodel->brush.shadowmesh->element3i, loadmodel->brush.shadowmesh->numtriangles);
5453 loadmodel->brush.num_leafs = 0;
5454 Mod_Q3BSP_RecursiveFindNumLeafs(loadmodel->brush.data_nodes);
5456 if (loadmodel->isworldmodel)
5458 // clear out any stale submodels or worldmodels lying around
5459 // if we did this clear before now, an error might abort loading and
5460 // leave things in a bad state
5461 Mod_RemoveStaleWorldModels(loadmodel);
5465 for (i = 0;i < loadmodel->brush.numsubmodels;i++)
5470 // LordHavoc: only register submodels if it is the world
5471 // (prevents external bsp models from replacing world submodels with
5473 if (!loadmodel->isworldmodel)
5475 // duplicate the basic information
5476 sprintf(name, "*%i", i);
5477 mod = Mod_FindName(name);
5479 strcpy(mod->name, name);
5480 // textures and memory belong to the main model
5481 mod->texturepool = NULL;
5482 mod->mempool = NULL;
5483 mod->brush.GetPVS = NULL;
5484 mod->brush.FatPVS = NULL;
5485 mod->brush.BoxTouchingPVS = NULL;
5486 mod->brush.BoxTouchingVisibleLeafs = NULL;
5487 mod->brush.LightPoint = NULL;
5488 mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
5490 mod->brush.submodel = i;
5492 // make the model surface list (used by shadowing/lighting)
5493 mod->firstmodelsurface = mod->brushq3.data_models[i].firstface;
5494 mod->nummodelsurfaces = mod->brushq3.data_models[i].numfaces;
5495 mod->firstmodelbrush = mod->brushq3.data_models[i].firstbrush;
5496 mod->nummodelbrushes = mod->brushq3.data_models[i].numbrushes;
5497 mod->surfacelist = Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->surfacelist));
5498 for (j = 0;j < mod->nummodelsurfaces;j++)
5499 mod->surfacelist[j] = mod->firstmodelsurface + j;
5501 VectorCopy(mod->brushq3.data_models[i].mins, mod->normalmins);
5502 VectorCopy(mod->brushq3.data_models[i].maxs, mod->normalmaxs);
5503 corner[0] = max(fabs(mod->normalmins[0]), fabs(mod->normalmaxs[0]));
5504 corner[1] = max(fabs(mod->normalmins[1]), fabs(mod->normalmaxs[1]));
5505 corner[2] = max(fabs(mod->normalmins[2]), fabs(mod->normalmaxs[2]));
5506 modelradius = sqrt(corner[0]*corner[0]+corner[1]*corner[1]+corner[2]*corner[2]);
5507 yawradius = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
5508 mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius;
5509 mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
5510 mod->yawmaxs[0] = mod->yawmaxs[1] = yawradius;
5511 mod->yawmins[0] = mod->yawmins[1] = -yawradius;
5512 mod->yawmins[2] = mod->normalmins[2];
5513 mod->yawmaxs[2] = mod->normalmaxs[2];
5514 mod->radius = modelradius;
5515 mod->radius2 = modelradius * modelradius;
5517 for (j = 0;j < mod->nummodelsurfaces;j++)
5518 if (mod->brush.data_surfaces[j + mod->firstmodelsurface].texture->surfaceflags & Q3SURFACEFLAG_SKY)
5520 if (j < mod->nummodelsurfaces)
5521 mod->DrawSky = R_Q1BSP_DrawSky;
5525 void Mod_IBSP_Load(model_t *mod, void *buffer)
5527 int i = LittleLong(((int *)buffer)[1]);
5528 if (i == Q3BSPVERSION)
5529 Mod_Q3BSP_Load(mod,buffer);
5530 else if (i == Q2BSPVERSION)
5531 Mod_Q2BSP_Load(mod,buffer);
5533 Host_Error("Mod_IBSP_Load: unknown/unsupported version %i\n", i);
5536 void Mod_MAP_Load(model_t *mod, void *buffer)
5538 Host_Error("Mod_MAP_Load: not yet implemented\n");