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 //cvar_t r_subdivide_size = {CVAR_SAVE, "r_subdivide_size", "128"};
30 cvar_t halflifebsp = {0, "halflifebsp", "0"};
31 cvar_t r_novis = {0, "r_novis", "0"};
32 cvar_t r_miplightmaps = {CVAR_SAVE, "r_miplightmaps", "0"};
33 cvar_t r_lightmaprgba = {0, "r_lightmaprgba", "1"};
34 cvar_t r_nosurftextures = {0, "r_nosurftextures", "0"};
35 cvar_t r_subdivisions_tolerance = {0, "r_subdivisions_tolerance", "4"};
36 cvar_t r_subdivisions_mintess = {0, "r_subdivisions_mintess", "1"};
37 cvar_t r_subdivisions_maxtess = {0, "r_subdivisions_maxtess", "1024"};
38 cvar_t r_subdivisions_maxvertices = {0, "r_subdivisions_maxvertices", "65536"};
39 cvar_t r_subdivisions_collision_tolerance = {0, "r_subdivisions_collision_tolerance", "15"};
40 cvar_t r_subdivisions_collision_mintess = {0, "r_subdivisions_collision_mintess", "1"};
41 cvar_t r_subdivisions_collision_maxtess = {0, "r_subdivisions_collision_maxtess", "1024"};
42 cvar_t r_subdivisions_collision_maxvertices = {0, "r_subdivisions_collision_maxvertices", "4225"};
43 cvar_t mod_q3bsp_curves_collisions = {0, "mod_q3bsp_curves_collisions", "1"};
44 cvar_t mod_q3bsp_optimizedtraceline = {0, "mod_q3bsp_optimizedtraceline", "1"};
45 cvar_t mod_q3bsp_debugtracebrush = {0, "mod_q3bsp_debugtracebrush", "0"};
47 void Mod_BrushInit(void)
49 // Cvar_RegisterVariable(&r_subdivide_size);
50 Cvar_RegisterVariable(&halflifebsp);
51 Cvar_RegisterVariable(&r_novis);
52 Cvar_RegisterVariable(&r_miplightmaps);
53 Cvar_RegisterVariable(&r_lightmaprgba);
54 Cvar_RegisterVariable(&r_nosurftextures);
55 Cvar_RegisterVariable(&r_subdivisions_tolerance);
56 Cvar_RegisterVariable(&r_subdivisions_mintess);
57 Cvar_RegisterVariable(&r_subdivisions_maxtess);
58 Cvar_RegisterVariable(&r_subdivisions_maxvertices);
59 Cvar_RegisterVariable(&r_subdivisions_collision_tolerance);
60 Cvar_RegisterVariable(&r_subdivisions_collision_mintess);
61 Cvar_RegisterVariable(&r_subdivisions_collision_maxtess);
62 Cvar_RegisterVariable(&r_subdivisions_collision_maxvertices);
63 Cvar_RegisterVariable(&mod_q3bsp_curves_collisions);
64 Cvar_RegisterVariable(&mod_q3bsp_optimizedtraceline);
65 Cvar_RegisterVariable(&mod_q3bsp_debugtracebrush);
68 static mleaf_t *Mod_Q1BSP_PointInLeaf(model_t *model, const vec3_t p)
75 Mod_CheckLoaded(model);
77 // LordHavoc: modified to start at first clip node,
78 // in other words: first node of the (sub)model
79 node = model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode;
81 node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct(p,node->plane->normal)) < node->plane->dist];
83 return (mleaf_t *)node;
86 static void Mod_Q1BSP_AmbientSoundLevelsForPoint(model_t *model, const vec3_t p, qbyte *out, int outsize)
90 leaf = Mod_Q1BSP_PointInLeaf(model, p);
93 i = min(outsize, (int)sizeof(leaf->ambient_sound_level));
96 memcpy(out, leaf->ambient_sound_level, i);
102 memset(out, 0, outsize);
105 static int Mod_Q1BSP_BoxTouchingPVS(model_t *model, const qbyte *pvs, const vec3_t mins, const vec3_t maxs)
107 int clusterindex, side, nodestackindex = 0;
108 mnode_t *node, *nodestack[1024];
109 if (!model->brush.num_pvsclusters)
111 node = model->brush.data_nodes;
116 // node - recurse down the BSP tree
117 side = BoxOnPlaneSide(mins, maxs, node->plane) - 1;
120 // box is on one side of plane, take that path
121 node = node->children[side];
125 // box crosses plane, take one path and remember the other
126 if (nodestackindex < 1024)
127 nodestack[nodestackindex++] = node->children[0];
128 node = node->children[1];
133 // leaf - check cluster bit
134 clusterindex = ((mleaf_t *)node)->clusterindex;
135 if (CHECKPVSBIT(pvs, clusterindex))
137 // it is visible, return immediately with the news
142 // nothing to see here, try another path we didn't take earlier
143 if (nodestackindex == 0)
145 node = nodestack[--nodestackindex];
153 static int Mod_Q1BSP_BoxTouchingLeafPVS(model_t *model, const qbyte *pvs, const vec3_t mins, const vec3_t maxs)
155 int clusterindex, side, nodestackindex = 0;
156 mnode_t *node, *nodestack[1024];
157 if (!model->brush.num_leafs)
159 node = model->brush.data_nodes;
164 // node - recurse down the BSP tree
165 side = BoxOnPlaneSide(mins, maxs, node->plane) - 1;
168 // box is on one side of plane, take that path
169 node = node->children[side];
173 // box crosses plane, take one path and remember the other
174 if (nodestackindex < 1024)
175 nodestack[nodestackindex++] = node->children[0];
176 node = node->children[1];
181 // leaf - check cluster bit
182 clusterindex = ((mleaf_t *)node) - model->brush.data_leafs;
183 if (CHECKPVSBIT(pvs, clusterindex))
185 // it is visible, return immediately with the news
190 // nothing to see here, try another path we didn't take earlier
191 if (nodestackindex == 0)
193 node = nodestack[--nodestackindex];
201 static int Mod_Q1BSP_BoxTouchingVisibleLeafs(model_t *model, const qbyte *visibleleafs, const vec3_t mins, const vec3_t maxs)
203 int side, nodestackindex = 0;
204 mnode_t *node, *nodestack[1024];
205 node = model->brush.data_nodes;
210 // node - recurse down the BSP tree
211 side = BoxOnPlaneSide(mins, maxs, node->plane) - 1;
214 // box is on one side of plane, take that path
215 node = node->children[side];
219 // box crosses plane, take one path and remember the other
220 if (nodestackindex < 1024)
221 nodestack[nodestackindex++] = node->children[0];
222 node = node->children[1];
227 // leaf - check if it is visible
228 if (visibleleafs[(mleaf_t *)node - model->brush.data_leafs])
230 // it is visible, return immediately with the news
235 // nothing to see here, try another path we didn't take earlier
236 if (nodestackindex == 0)
238 node = nodestack[--nodestackindex];
246 typedef struct findnonsolidlocationinfo_s
254 findnonsolidlocationinfo_t;
256 static void Mod_Q1BSP_FindNonSolidLocation_r_Leaf(findnonsolidlocationinfo_t *info, mleaf_t *leaf)
258 int i, surfacenum, k, *tri, *mark;
259 float dist, f, vert[3][3], edge[3][3], facenormal[3], edgenormal[3][3], point[3];
261 for (surfacenum = 0, mark = leaf->firstleafsurface;surfacenum < leaf->numleafsurfaces;surfacenum++, mark++)
263 surface = info->model->brush.data_surfaces + *mark;
264 if (surface->texture->supercontents & SUPERCONTENTS_SOLID)
266 for (k = 0;k < surface->num_triangles;k++)
268 tri = (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle) + k * 3;
269 VectorCopy((surface->groupmesh->data_vertex3f + tri[0] * 3), vert[0]);
270 VectorCopy((surface->groupmesh->data_vertex3f + tri[1] * 3), vert[1]);
271 VectorCopy((surface->groupmesh->data_vertex3f + tri[2] * 3), vert[2]);
272 VectorSubtract(vert[1], vert[0], edge[0]);
273 VectorSubtract(vert[2], vert[1], edge[1]);
274 CrossProduct(edge[1], edge[0], facenormal);
275 if (facenormal[0] || facenormal[1] || facenormal[2])
277 VectorNormalize(facenormal);
278 f = DotProduct(info->center, facenormal) - DotProduct(vert[0], facenormal);
279 if (f <= info->bestdist && f >= -info->bestdist)
281 VectorSubtract(vert[0], vert[2], edge[2]);
282 VectorNormalize(edge[0]);
283 VectorNormalize(edge[1]);
284 VectorNormalize(edge[2]);
285 CrossProduct(facenormal, edge[0], edgenormal[0]);
286 CrossProduct(facenormal, edge[1], edgenormal[1]);
287 CrossProduct(facenormal, edge[2], edgenormal[2]);
289 if (DotProduct(info->center, edgenormal[0]) < DotProduct(vert[0], edgenormal[0])
290 && DotProduct(info->center, edgenormal[1]) < DotProduct(vert[1], edgenormal[1])
291 && DotProduct(info->center, edgenormal[2]) < DotProduct(vert[2], edgenormal[2]))
293 // we got lucky, the center is within the face
294 dist = DotProduct(info->center, facenormal) - DotProduct(vert[0], facenormal);
298 if (info->bestdist > dist)
300 info->bestdist = dist;
301 VectorScale(facenormal, (info->radius - -dist), info->nudge);
306 if (info->bestdist > dist)
308 info->bestdist = dist;
309 VectorScale(facenormal, (info->radius - dist), info->nudge);
315 // check which edge or vertex the center is nearest
316 for (i = 0;i < 3;i++)
318 f = DotProduct(info->center, edge[i]);
319 if (f >= DotProduct(vert[0], edge[i])
320 && f <= DotProduct(vert[1], edge[i]))
323 VectorMA(info->center, -f, edge[i], point);
324 dist = sqrt(DotProduct(point, point));
325 if (info->bestdist > dist)
327 info->bestdist = dist;
328 VectorScale(point, (info->radius / dist), info->nudge);
330 // skip both vertex checks
331 // (both are further away than this edge)
336 // not on edge, check first vertex of edge
337 VectorSubtract(info->center, vert[i], point);
338 dist = sqrt(DotProduct(point, point));
339 if (info->bestdist > dist)
341 info->bestdist = dist;
342 VectorScale(point, (info->radius / dist), info->nudge);
354 static void Mod_Q1BSP_FindNonSolidLocation_r(findnonsolidlocationinfo_t *info, mnode_t *node)
358 float f = PlaneDiff(info->center, node->plane);
359 if (f >= -info->bestdist)
360 Mod_Q1BSP_FindNonSolidLocation_r(info, node->children[0]);
361 if (f <= info->bestdist)
362 Mod_Q1BSP_FindNonSolidLocation_r(info, node->children[1]);
366 if (((mleaf_t *)node)->numleafsurfaces)
367 Mod_Q1BSP_FindNonSolidLocation_r_Leaf(info, (mleaf_t *)node);
371 static void Mod_Q1BSP_FindNonSolidLocation(model_t *model, const vec3_t in, vec3_t out, float radius)
374 findnonsolidlocationinfo_t info;
380 VectorCopy(in, info.center);
381 info.radius = radius;
386 VectorClear(info.nudge);
387 info.bestdist = radius;
388 Mod_Q1BSP_FindNonSolidLocation_r(&info, model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode);
389 VectorAdd(info.center, info.nudge, info.center);
391 while (info.bestdist < radius && ++i < 10);
392 VectorCopy(info.center, out);
395 int Mod_Q1BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents)
397 switch(nativecontents)
402 return SUPERCONTENTS_SOLID;
404 return SUPERCONTENTS_WATER;
406 return SUPERCONTENTS_SLIME;
408 return SUPERCONTENTS_LAVA;
410 return SUPERCONTENTS_SKY;
415 int Mod_Q1BSP_NativeContentsFromSuperContents(model_t *model, int supercontents)
417 if (supercontents & SUPERCONTENTS_SOLID)
418 return CONTENTS_SOLID;
419 if (supercontents & SUPERCONTENTS_SKY)
421 if (supercontents & SUPERCONTENTS_LAVA)
422 return CONTENTS_LAVA;
423 if (supercontents & SUPERCONTENTS_SLIME)
424 return CONTENTS_SLIME;
425 if (supercontents & SUPERCONTENTS_WATER)
426 return CONTENTS_WATER;
427 return CONTENTS_EMPTY;
432 // the hull we're tracing through
435 // the trace structure to fill in
438 // start, end, and end - start (in model space)
443 RecursiveHullCheckTraceInfo_t;
445 // 1/32 epsilon to keep floating point happy
446 #define DIST_EPSILON (0.03125)
448 #define HULLCHECKSTATE_EMPTY 0
449 #define HULLCHECKSTATE_SOLID 1
450 #define HULLCHECKSTATE_DONE 2
452 static int Mod_Q1BSP_RecursiveHullCheck(RecursiveHullCheckTraceInfo_t *t, int num, double p1f, double p2f, double p1[3], double p2[3])
454 // status variables, these don't need to be saved on the stack when
455 // recursing... but are because this should be thread-safe
456 // (note: tracing against a bbox is not thread-safe, yet)
461 // variables that need to be stored on the stack when recursing
466 // LordHavoc: a goto! everyone flee in terror... :)
471 num = Mod_Q1BSP_SuperContentsFromNativeContents(NULL, num);
472 if (!t->trace->startfound)
474 t->trace->startfound = true;
475 t->trace->startsupercontents |= num;
477 if (num & SUPERCONTENTS_LIQUIDSMASK)
478 t->trace->inwater = true;
480 t->trace->inopen = true;
481 if (num & t->trace->hitsupercontentsmask)
483 // if the first leaf is solid, set startsolid
484 if (t->trace->allsolid)
485 t->trace->startsolid = true;
486 #if COLLISIONPARANOID >= 3
489 return HULLCHECKSTATE_SOLID;
493 t->trace->allsolid = false;
494 #if COLLISIONPARANOID >= 3
497 return HULLCHECKSTATE_EMPTY;
501 // find the point distances
502 node = t->hull->clipnodes + num;
504 plane = t->hull->planes + node->planenum;
507 t1 = p1[plane->type] - plane->dist;
508 t2 = p2[plane->type] - plane->dist;
512 t1 = DotProduct (plane->normal, p1) - plane->dist;
513 t2 = DotProduct (plane->normal, p2) - plane->dist;
520 #if COLLISIONPARANOID >= 3
523 num = node->children[1];
532 #if COLLISIONPARANOID >= 3
535 num = node->children[0];
541 // the line intersects, find intersection point
542 // LordHavoc: this uses the original trace for maximum accuracy
543 #if COLLISIONPARANOID >= 3
548 t1 = t->start[plane->type] - plane->dist;
549 t2 = t->end[plane->type] - plane->dist;
553 t1 = DotProduct (plane->normal, t->start) - plane->dist;
554 t2 = DotProduct (plane->normal, t->end) - plane->dist;
557 midf = t1 / (t1 - t2);
558 midf = bound(p1f, midf, p2f);
559 VectorMA(t->start, midf, t->dist, mid);
561 // recurse both sides, front side first
562 ret = Mod_Q1BSP_RecursiveHullCheck(t, node->children[side], p1f, midf, p1, mid);
563 // if this side is not empty, return what it is (solid or done)
564 if (ret != HULLCHECKSTATE_EMPTY)
567 ret = Mod_Q1BSP_RecursiveHullCheck(t, node->children[side ^ 1], midf, p2f, mid, p2);
568 // if other side is not solid, return what it is (empty or done)
569 if (ret != HULLCHECKSTATE_SOLID)
572 // front is air and back is solid, this is the impact point...
575 t->trace->plane.dist = -plane->dist;
576 VectorNegate (plane->normal, t->trace->plane.normal);
580 t->trace->plane.dist = plane->dist;
581 VectorCopy (plane->normal, t->trace->plane.normal);
584 // calculate the true fraction
585 t1 = DotProduct(t->trace->plane.normal, t->start) - t->trace->plane.dist;
586 t2 = DotProduct(t->trace->plane.normal, t->end) - t->trace->plane.dist;
587 midf = t1 / (t1 - t2);
588 t->trace->realfraction = bound(0, midf, 1);
590 // calculate the return fraction which is nudged off the surface a bit
591 midf = (t1 - DIST_EPSILON) / (t1 - t2);
592 t->trace->fraction = bound(0, midf, 1);
594 #if COLLISIONPARANOID >= 3
597 return HULLCHECKSTATE_DONE;
600 #if COLLISIONPARANOID < 2
601 static int Mod_Q1BSP_RecursiveHullCheckPoint(RecursiveHullCheckTraceInfo_t *t, int num)
604 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];
605 num = Mod_Q1BSP_SuperContentsFromNativeContents(NULL, num);
606 t->trace->startsupercontents |= num;
607 if (num & SUPERCONTENTS_LIQUIDSMASK)
608 t->trace->inwater = true;
610 t->trace->inopen = true;
611 if (num & t->trace->hitsupercontentsmask)
613 t->trace->allsolid = t->trace->startsolid = true;
614 return HULLCHECKSTATE_SOLID;
618 t->trace->allsolid = t->trace->startsolid = false;
619 return HULLCHECKSTATE_EMPTY;
624 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)
626 // this function currently only supports same size start and end
628 RecursiveHullCheckTraceInfo_t rhc;
630 memset(&rhc, 0, sizeof(rhc));
631 memset(trace, 0, sizeof(trace_t));
633 rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
634 rhc.trace->fraction = 1;
635 rhc.trace->realfraction = 1;
636 rhc.trace->allsolid = true;
637 VectorSubtract(boxstartmaxs, boxstartmins, boxsize);
639 rhc.hull = &model->brushq1.hulls[0]; // 0x0x0
640 else if (model->brush.ishlbsp)
642 // LordHavoc: this has to have a minor tolerance (the .1) because of
643 // minor float precision errors from the box being transformed around
644 if (boxsize[0] < 32.1)
646 if (boxsize[2] < 54) // pick the nearest of 36 or 72
647 rhc.hull = &model->brushq1.hulls[3]; // 32x32x36
649 rhc.hull = &model->brushq1.hulls[1]; // 32x32x72
652 rhc.hull = &model->brushq1.hulls[2]; // 64x64x64
656 // LordHavoc: this has to have a minor tolerance (the .1) because of
657 // minor float precision errors from the box being transformed around
658 if (boxsize[0] < 32.1)
659 rhc.hull = &model->brushq1.hulls[1]; // 32x32x56
661 rhc.hull = &model->brushq1.hulls[2]; // 64x64x88
663 VectorSubtract(boxstartmins, rhc.hull->clip_mins, rhc.start);
664 VectorSubtract(boxendmins, rhc.hull->clip_mins, rhc.end);
665 VectorSubtract(rhc.end, rhc.start, rhc.dist);
666 #if COLLISIONPARANOID >= 2
667 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]);
668 Mod_Q1BSP_RecursiveHullCheck(&rhc, rhc.hull->firstclipnode, 0, 1, rhc.start, rhc.end);
671 if (DotProduct(rhc.dist, rhc.dist))
672 Mod_Q1BSP_RecursiveHullCheck(&rhc, rhc.hull->firstclipnode, 0, 1, rhc.start, rhc.end);
674 Mod_Q1BSP_RecursiveHullCheckPoint(&rhc, rhc.hull->firstclipnode);
678 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)
682 colplanef_t cbox_planes[6];
683 cbox.supercontents = boxsupercontents;
686 cbox.numtriangles = 0;
687 cbox.planes = cbox_planes;
689 cbox.elements = NULL;
697 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];
698 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];
699 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];
700 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];
701 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];
702 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];
703 memset(trace, 0, sizeof(trace_t));
704 trace->hitsupercontentsmask = hitsupercontentsmask;
706 trace->realfraction = 1;
707 Collision_TraceLineBrushFloat(trace, start, end, &cbox, &cbox);
709 RecursiveHullCheckTraceInfo_t rhc;
710 static hull_t box_hull;
711 static dclipnode_t box_clipnodes[6];
712 static mplane_t box_planes[6];
713 // fill in a default trace
714 memset(&rhc, 0, sizeof(rhc));
715 memset(trace, 0, sizeof(trace_t));
716 //To keep everything totally uniform, bounding boxes are turned into small
717 //BSP trees instead of being compared directly.
718 // create a temp hull from bounding box sizes
719 box_planes[0].dist = cmaxs[0] - mins[0];
720 box_planes[1].dist = cmins[0] - maxs[0];
721 box_planes[2].dist = cmaxs[1] - mins[1];
722 box_planes[3].dist = cmins[1] - maxs[1];
723 box_planes[4].dist = cmaxs[2] - mins[2];
724 box_planes[5].dist = cmins[2] - maxs[2];
725 #if COLLISIONPARANOID >= 3
726 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]);
729 if (box_hull.clipnodes == NULL)
733 //Set up the planes and clipnodes so that the six floats of a bounding box
734 //can just be stored out and get a proper hull_t structure.
736 box_hull.clipnodes = box_clipnodes;
737 box_hull.planes = box_planes;
738 box_hull.firstclipnode = 0;
739 box_hull.lastclipnode = 5;
741 for (i = 0;i < 6;i++)
743 box_clipnodes[i].planenum = i;
747 box_clipnodes[i].children[side] = CONTENTS_EMPTY;
749 box_clipnodes[i].children[side^1] = i + 1;
751 box_clipnodes[i].children[side^1] = CONTENTS_SOLID;
753 box_planes[i].type = i>>1;
754 box_planes[i].normal[i>>1] = 1;
758 // trace a line through the generated clipping hull
759 //rhc.boxsupercontents = boxsupercontents;
760 rhc.hull = &box_hull;
762 rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
763 rhc.trace->fraction = 1;
764 rhc.trace->realfraction = 1;
765 rhc.trace->allsolid = true;
766 VectorCopy(start, rhc.start);
767 VectorCopy(end, rhc.end);
768 VectorSubtract(rhc.end, rhc.start, rhc.dist);
769 Mod_Q1BSP_RecursiveHullCheck(&rhc, rhc.hull->firstclipnode, 0, 1, rhc.start, rhc.end);
770 //VectorMA(rhc.start, rhc.trace->fraction, rhc.dist, rhc.trace->endpos);
771 if (rhc.trace->startsupercontents)
772 rhc.trace->startsupercontents = boxsupercontents;
776 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)
778 int side, distz = endz - startz;
784 return false; // didn't hit anything
786 switch (node->plane->type)
789 node = node->children[x < node->plane->dist];
792 node = node->children[y < node->plane->dist];
795 side = startz < node->plane->dist;
796 if ((endz < node->plane->dist) == side)
798 node = node->children[side];
801 // found an intersection
802 mid = node->plane->dist;
805 back = front = x * node->plane->normal[0] + y * node->plane->normal[1];
806 front += startz * node->plane->normal[2];
807 back += endz * node->plane->normal[2];
808 side = front < node->plane->dist;
809 if ((back < node->plane->dist) == side)
811 node = node->children[side];
814 // found an intersection
815 mid = startz + distz * (front - node->plane->dist) / (front - back);
819 // go down front side
820 if (node->children[side]->plane && Mod_Q1BSP_LightPoint_RecursiveBSPNode(ambientcolor, diffusecolor, diffusenormal, node->children[side], x, y, startz, mid))
821 return true; // hit something
824 // check for impact on this node
825 if (node->numsurfaces)
830 surface = r_refdef.worldmodel->brush.data_surfaces + node->firstsurface;
831 for (i = 0;i < node->numsurfaces;i++, surface++)
833 if (!(surface->texture->basematerialflags & MATERIALFLAG_WALL) || !surface->lightmapinfo->samples)
834 continue; // no lightmaps
836 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];
837 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];
839 if (ds >= 0 && ds < surface->lightmapinfo->extents[0] && dt >= 0 && dt < surface->lightmapinfo->extents[1])
842 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;
843 lmwidth = ((surface->lightmapinfo->extents[0]>>4)+1);
844 lmheight = ((surface->lightmapinfo->extents[1]>>4)+1);
845 line3 = lmwidth * 3; // LordHavoc: *3 for colored lighting
846 size3 = lmwidth * lmheight * 3; // LordHavoc: *3 for colored lighting
848 lightmap = surface->lightmapinfo->samples + ((dt>>4) * lmwidth + (ds>>4))*3; // LordHavoc: *3 for colored lighting
850 for (maps = 0;maps < MAXLIGHTMAPS && surface->lightmapinfo->styles[maps] != 255;maps++)
852 scale = d_lightstylevalue[surface->lightmapinfo->styles[maps]];
853 r00 += lightmap[ 0] * scale;g00 += lightmap[ 1] * scale;b00 += lightmap[ 2] * scale;
854 r01 += lightmap[ 3] * scale;g01 += lightmap[ 4] * scale;b01 += lightmap[ 5] * scale;
855 r10 += lightmap[line3+0] * scale;g10 += lightmap[line3+1] * scale;b10 += lightmap[line3+2] * scale;
856 r11 += lightmap[line3+3] * scale;g11 += lightmap[line3+4] * scale;b11 += lightmap[line3+5] * scale;
861 LordHavoc: here's the readable version of the interpolation
862 code, not quite as easy for the compiler to optimize...
864 dsfrac is the X position in the lightmap pixel, * 16
865 dtfrac is the Y position in the lightmap pixel, * 16
866 r00 is top left corner, r01 is top right corner
867 r10 is bottom left corner, r11 is bottom right corner
868 g and b are the same layout.
869 r0 and r1 are the top and bottom intermediate results
871 first we interpolate the top two points, to get the top
874 r0 = (((r01-r00) * dsfrac) >> 4) + r00;
875 g0 = (((g01-g00) * dsfrac) >> 4) + g00;
876 b0 = (((b01-b00) * dsfrac) >> 4) + b00;
878 then we interpolate the bottom two points, to get the
881 r1 = (((r11-r10) * dsfrac) >> 4) + r10;
882 g1 = (((g11-g10) * dsfrac) >> 4) + g10;
883 b1 = (((b11-b10) * dsfrac) >> 4) + b10;
885 then we interpolate the top and bottom samples to get the
886 middle sample (the one which was requested)
888 r = (((r1-r0) * dtfrac) >> 4) + r0;
889 g = (((g1-g0) * dtfrac) >> 4) + g0;
890 b = (((b1-b0) * dtfrac) >> 4) + b0;
893 ambientcolor[0] += (float) ((((((((r11-r10) * dsfrac) >> 4) + r10)-((((r01-r00) * dsfrac) >> 4) + r00)) * dtfrac) >> 4) + ((((r01-r00) * dsfrac) >> 4) + r00)) * (1.0f / 32768.0f);
894 ambientcolor[1] += (float) ((((((((g11-g10) * dsfrac) >> 4) + g10)-((((g01-g00) * dsfrac) >> 4) + g00)) * dtfrac) >> 4) + ((((g01-g00) * dsfrac) >> 4) + g00)) * (1.0f / 32768.0f);
895 ambientcolor[2] += (float) ((((((((b11-b10) * dsfrac) >> 4) + b10)-((((b01-b00) * dsfrac) >> 4) + b00)) * dtfrac) >> 4) + ((((b01-b00) * dsfrac) >> 4) + b00)) * (1.0f / 32768.0f);
896 return true; // success
902 node = node->children[side ^ 1];
904 distz = endz - startz;
909 void Mod_Q1BSP_LightPoint(model_t *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal)
911 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);
914 static void Mod_Q1BSP_DecompressVis(const qbyte *in, const qbyte *inend, qbyte *out, qbyte *outend)
917 qbyte *outstart = out;
922 Con_Printf("Mod_Q1BSP_DecompressVis: input underrun on model \"%s\" (decompressed %i of %i output bytes)\n", loadmodel->name, out - outstart, outend - outstart);
932 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);
935 for (c = *in++;c > 0;c--)
939 Con_Printf("Mod_Q1BSP_DecompressVis: output overrun on model \"%s\" (decompressed %i of %i output bytes)\n", loadmodel->name, out - outstart, outend - outstart);
952 A sky texture is 256*128, with the right side being a masked overlay
955 void R_Q1BSP_LoadSplitSky (qbyte *src, int width, int height, int bytesperpixel)
958 unsigned solidpixels[128*128], alphapixels[128*128];
960 // if sky isn't the right size, just use it as a solid layer
961 if (width != 256 || height != 128)
963 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);
964 loadmodel->brush.alphaskytexture = NULL;;
968 if (bytesperpixel == 4)
970 for (i = 0;i < 128;i++)
972 for (j = 0;j < 128;j++)
974 solidpixels[(i*128) + j] = ((unsigned *)src)[i*256+j+128];
975 alphapixels[(i*128) + j] = ((unsigned *)src)[i*256+j];
981 // make an average value for the back to avoid
982 // a fringe on the top level
991 for (i = 0;i < 128;i++)
993 for (j = 0;j < 128;j++)
995 rgba.i = palette_complete[src[i*256 + j + 128]];
1001 rgba.b[0] = r/(128*128);
1002 rgba.b[1] = g/(128*128);
1003 rgba.b[2] = b/(128*128);
1005 for (i = 0;i < 128;i++)
1007 for (j = 0;j < 128;j++)
1009 solidpixels[(i*128) + j] = palette_complete[src[i*256 + j + 128]];
1010 alphapixels[(i*128) + j] = (p = src[i*256 + j]) ? palette_complete[p] : rgba.i;
1015 loadmodel->brush.solidskytexture = R_LoadTexture2D(loadmodel->texturepool, "sky_solidtexture", 128, 128, (qbyte *) solidpixels, TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
1016 loadmodel->brush.alphaskytexture = R_LoadTexture2D(loadmodel->texturepool, "sky_alphatexture", 128, 128, (qbyte *) alphapixels, TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE, NULL);
1019 static void Mod_Q1BSP_LoadTextures(lump_t *l)
1021 int i, j, k, num, max, altmax, mtwidth, mtheight, *dofs, incomplete;
1023 texture_t *tx, *tx2, *anims[10], *altanims[10];
1025 qbyte *data, *mtdata;
1028 loadmodel->brush.data_textures = NULL;
1030 // add two slots for notexture walls and notexture liquids
1033 m = (dmiptexlump_t *)(mod_base + l->fileofs);
1034 m->nummiptex = LittleLong (m->nummiptex);
1035 loadmodel->brush.num_textures = m->nummiptex + 2;
1040 loadmodel->brush.num_textures = 2;
1043 loadmodel->brush.data_textures = Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_textures * sizeof(texture_t));
1045 // fill out all slots with notexture
1046 for (i = 0, tx = loadmodel->brush.data_textures;i < loadmodel->brush.num_textures;i++, tx++)
1048 strcpy(tx->name, "NO TEXTURE FOUND");
1051 tx->skin.base = r_texture_notexture;
1052 tx->basematerialflags = 0;
1053 if (i == loadmodel->brush.num_textures - 1)
1055 tx->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_LIGHTBOTHSIDES;
1056 tx->supercontents = SUPERCONTENTS_WATER;
1060 tx->basematerialflags |= MATERIALFLAG_WALL;
1061 tx->supercontents = SUPERCONTENTS_SOLID;
1063 tx->currentframe = tx;
1069 // just to work around bounds checking when debugging with it (array index out of bounds error thing)
1071 // LordHavoc: mostly rewritten map texture loader
1072 for (i = 0;i < m->nummiptex;i++)
1074 dofs[i] = LittleLong(dofs[i]);
1075 if (dofs[i] == -1 || r_nosurftextures.integer)
1077 dmiptex = (miptex_t *)((qbyte *)m + dofs[i]);
1079 // make sure name is no more than 15 characters
1080 for (j = 0;dmiptex->name[j] && j < 15;j++)
1081 name[j] = dmiptex->name[j];
1084 mtwidth = LittleLong(dmiptex->width);
1085 mtheight = LittleLong(dmiptex->height);
1087 j = LittleLong(dmiptex->offsets[0]);
1091 if (j < 40 || j + mtwidth * mtheight > l->filelen)
1093 Con_Printf("Texture \"%s\" in \"%s\"is corrupt or incomplete\n", dmiptex->name, loadmodel->name);
1096 mtdata = (qbyte *)dmiptex + j;
1099 if ((mtwidth & 15) || (mtheight & 15))
1100 Con_Printf("warning: texture \"%s\" in \"%s\" is not 16 aligned\n", dmiptex->name, loadmodel->name);
1102 // LordHavoc: force all names to lowercase
1103 for (j = 0;name[j];j++)
1104 if (name[j] >= 'A' && name[j] <= 'Z')
1105 name[j] += 'a' - 'A';
1107 tx = loadmodel->brush.data_textures + i;
1108 strcpy(tx->name, name);
1109 tx->width = mtwidth;
1110 tx->height = mtheight;
1114 sprintf(tx->name, "unnamed%i", i);
1115 Con_Printf("warning: unnamed texture in %s, renaming to %s\n", loadmodel->name, tx->name);
1118 // LordHavoc: HL sky textures are entirely different than quake
1119 if (!loadmodel->brush.ishlbsp && !strncmp(tx->name, "sky", 3) && mtwidth == 256 && mtheight == 128)
1121 if (loadmodel->isworldmodel)
1123 data = loadimagepixels(tx->name, false, 0, 0);
1126 R_Q1BSP_LoadSplitSky(data, image_width, image_height, 4);
1129 else if (mtdata != NULL)
1130 R_Q1BSP_LoadSplitSky(mtdata, mtwidth, mtheight, 1);
1135 if (!Mod_LoadSkinFrame(&tx->skin, tx->name, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, false, tx->name[0] != '*', true))
1137 // did not find external texture, load it from the bsp or wad3
1138 if (loadmodel->brush.ishlbsp)
1140 // internal texture overrides wad
1141 qbyte *pixels, *freepixels, *fogpixels;
1142 pixels = freepixels = NULL;
1144 pixels = W_ConvertWAD3Texture(dmiptex);
1146 pixels = freepixels = W_GetTexture(tx->name);
1149 tx->width = image_width;
1150 tx->height = image_height;
1151 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);
1152 if (Image_CheckAlpha(pixels, image_width * image_height, true))
1154 fogpixels = Mem_Alloc(tempmempool, image_width * image_height * 4);
1155 for (j = 0;j < image_width * image_height * 4;j += 4)
1157 fogpixels[j + 0] = 255;
1158 fogpixels[j + 1] = 255;
1159 fogpixels[j + 2] = 255;
1160 fogpixels[j + 3] = pixels[j + 3];
1162 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);
1163 Mem_Free(fogpixels);
1167 Mem_Free(freepixels);
1169 else if (mtdata) // texture included
1170 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);
1173 if (tx->skin.base == NULL)
1178 tx->skin.base = r_texture_notexture;
1181 tx->basematerialflags = 0;
1182 if (tx->name[0] == '*')
1184 // turb does not block movement
1185 tx->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_LIGHTBOTHSIDES;
1186 // LordHavoc: some turbulent textures should be fullbright and solid
1187 if (!strncmp(tx->name,"*lava",5)
1188 || !strncmp(tx->name,"*teleport",9)
1189 || !strncmp(tx->name,"*rift",5)) // Scourge of Armagon texture
1190 tx->basematerialflags |= MATERIALFLAG_FULLBRIGHT;
1192 tx->basematerialflags |= MATERIALFLAG_WATERALPHA;
1193 if (!strncmp(tx->name, "*lava", 5))
1194 tx->supercontents = SUPERCONTENTS_LAVA;
1195 else if (!strncmp(tx->name, "*slime", 6))
1196 tx->supercontents = SUPERCONTENTS_SLIME;
1198 tx->supercontents = SUPERCONTENTS_WATER;
1200 else if (tx->name[0] == 's' && tx->name[1] == 'k' && tx->name[2] == 'y')
1202 tx->supercontents = SUPERCONTENTS_SKY;
1203 tx->basematerialflags |= MATERIALFLAG_SKY;
1207 tx->supercontents = SUPERCONTENTS_SOLID;
1208 tx->basematerialflags |= MATERIALFLAG_WALL;
1211 tx->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_TRANSPARENT;
1213 // start out with no animation
1214 tx->currentframe = tx;
1217 // sequence the animations
1218 for (i = 0;i < m->nummiptex;i++)
1220 tx = loadmodel->brush.data_textures + i;
1221 if (!tx || tx->name[0] != '+' || tx->name[1] == 0 || tx->name[2] == 0)
1223 if (tx->anim_total[0] || tx->anim_total[1])
1224 continue; // already sequenced
1226 // find the number of frames in the animation
1227 memset(anims, 0, sizeof(anims));
1228 memset(altanims, 0, sizeof(altanims));
1230 for (j = i;j < m->nummiptex;j++)
1232 tx2 = loadmodel->brush.data_textures + j;
1233 if (!tx2 || tx2->name[0] != '+' || strcmp(tx2->name+2, tx->name+2))
1237 if (num >= '0' && num <= '9')
1238 anims[num - '0'] = tx2;
1239 else if (num >= 'a' && num <= 'j')
1240 altanims[num - 'a'] = tx2;
1242 Con_Printf("Bad animating texture %s\n", tx->name);
1246 for (j = 0;j < 10;j++)
1253 //Con_Printf("linking animation %s (%i:%i frames)\n\n", tx->name, max, altmax);
1256 for (j = 0;j < max;j++)
1260 Con_Printf("Missing frame %i of %s\n", j, tx->name);
1264 for (j = 0;j < altmax;j++)
1268 Con_Printf("Missing altframe %i of %s\n", j, tx->name);
1277 // if there is no alternate animation, duplicate the primary
1278 // animation into the alternate
1280 for (k = 0;k < 10;k++)
1281 altanims[k] = anims[k];
1284 // link together the primary animation
1285 for (j = 0;j < max;j++)
1288 tx2->animated = true;
1289 tx2->anim_total[0] = max;
1290 tx2->anim_total[1] = altmax;
1291 for (k = 0;k < 10;k++)
1293 tx2->anim_frames[0][k] = anims[k];
1294 tx2->anim_frames[1][k] = altanims[k];
1298 // if there really is an alternate anim...
1299 if (anims[0] != altanims[0])
1301 // link together the alternate animation
1302 for (j = 0;j < altmax;j++)
1305 tx2->animated = true;
1306 // the primary/alternate are reversed here
1307 tx2->anim_total[0] = altmax;
1308 tx2->anim_total[1] = max;
1309 for (k = 0;k < 10;k++)
1311 tx2->anim_frames[0][k] = altanims[k];
1312 tx2->anim_frames[1][k] = anims[k];
1319 static void Mod_Q1BSP_LoadLighting(lump_t *l)
1322 qbyte *in, *out, *data, d;
1323 char litfilename[1024];
1324 loadmodel->brushq1.lightdata = NULL;
1325 if (loadmodel->brush.ishlbsp) // LordHavoc: load the colored lighting data straight
1327 loadmodel->brushq1.lightdata = Mem_Alloc(loadmodel->mempool, l->filelen);
1328 for (i=0; i<l->filelen; i++)
1329 loadmodel->brushq1.lightdata[i] = mod_base[l->fileofs+i] >>= 1;
1331 else // LordHavoc: bsp version 29 (normal white lighting)
1333 // LordHavoc: hope is not lost yet, check for a .lit file to load
1334 strlcpy (litfilename, loadmodel->name, sizeof (litfilename));
1335 FS_StripExtension (litfilename, litfilename, sizeof (litfilename));
1336 strlcat (litfilename, ".lit", sizeof (litfilename));
1337 data = (qbyte*) FS_LoadFile(litfilename, tempmempool, false);
1340 if (fs_filesize > 8 && data[0] == 'Q' && data[1] == 'L' && data[2] == 'I' && data[3] == 'T')
1342 i = LittleLong(((int *)data)[1]);
1345 Con_DPrintf("loaded %s\n", litfilename);
1346 loadmodel->brushq1.lightdata = Mem_Alloc(loadmodel->mempool, fs_filesize - 8);
1347 memcpy(loadmodel->brushq1.lightdata, data + 8, fs_filesize - 8);
1353 Con_Printf("Unknown .lit file version (%d)\n", i);
1359 if (fs_filesize == 8)
1360 Con_Print("Empty .lit file, ignoring\n");
1362 Con_Print("Corrupt .lit file (old version?), ignoring\n");
1366 // LordHavoc: oh well, expand the white lighting data
1369 loadmodel->brushq1.lightdata = Mem_Alloc(loadmodel->mempool, l->filelen*3);
1370 in = loadmodel->brushq1.lightdata + l->filelen*2; // place the file at the end, so it will not be overwritten until the very last write
1371 out = loadmodel->brushq1.lightdata;
1372 memcpy(in, mod_base + l->fileofs, l->filelen);
1373 for (i = 0;i < l->filelen;i++)
1383 static void Mod_Q1BSP_LoadLightList(void)
1385 int a, n, numlights;
1386 char tempchar, *s, *t, *lightsstring, lightsfilename[1024];
1389 strlcpy (lightsfilename, loadmodel->name, sizeof (lightsfilename));
1390 FS_StripExtension (lightsfilename, lightsfilename, sizeof(lightsfilename));
1391 strlcat (lightsfilename, ".lights", sizeof (lightsfilename));
1392 s = lightsstring = (char *) FS_LoadFile(lightsfilename, tempmempool, false);
1398 while (*s && *s != '\n' && *s != '\r')
1402 Mem_Free(lightsstring);
1403 Con_Printf("lights file must end with a newline\n");
1409 loadmodel->brushq1.lights = Mem_Alloc(loadmodel->mempool, numlights * sizeof(mlight_t));
1412 while (*s && n < numlights)
1415 while (*s && *s != '\n' && *s != '\r')
1419 Con_Printf("misparsed lights file!\n");
1422 e = loadmodel->brushq1.lights + n;
1425 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);
1429 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);
1439 Con_Printf("misparsed lights file!\n");
1440 loadmodel->brushq1.numlights = numlights;
1441 Mem_Free(lightsstring);
1445 static void Mod_Q1BSP_LoadVisibility(lump_t *l)
1447 loadmodel->brushq1.num_compressedpvs = 0;
1448 loadmodel->brushq1.data_compressedpvs = NULL;
1451 loadmodel->brushq1.num_compressedpvs = l->filelen;
1452 loadmodel->brushq1.data_compressedpvs = Mem_Alloc(loadmodel->mempool, l->filelen);
1453 memcpy(loadmodel->brushq1.data_compressedpvs, mod_base + l->fileofs, l->filelen);
1456 // used only for HalfLife maps
1457 static void Mod_Q1BSP_ParseWadsFromEntityLump(const char *data)
1459 char key[128], value[4096];
1464 if (!COM_ParseToken(&data, false))
1466 if (com_token[0] != '{')
1470 if (!COM_ParseToken(&data, false))
1472 if (com_token[0] == '}')
1473 break; // end of worldspawn
1474 if (com_token[0] == '_')
1475 strcpy(key, com_token + 1);
1477 strcpy(key, com_token);
1478 while (key[strlen(key)-1] == ' ') // remove trailing spaces
1479 key[strlen(key)-1] = 0;
1480 if (!COM_ParseToken(&data, false))
1482 strcpy(value, com_token);
1483 if (!strcmp("wad", key)) // for HalfLife maps
1485 if (loadmodel->brush.ishlbsp)
1488 for (i = 0;i < 4096;i++)
1489 if (value[i] != ';' && value[i] != '\\' && value[i] != '/' && value[i] != ':')
1495 // ignore path - the \\ check is for HalfLife... stupid windoze 'programmers'...
1496 if (value[i] == '\\' || value[i] == '/' || value[i] == ':')
1498 else if (value[i] == ';' || value[i] == 0)
1502 strcpy(wadname, "textures/");
1503 strcat(wadname, &value[j]);
1504 W_LoadTextureWadFile(wadname, false);
1516 static void Mod_Q1BSP_LoadEntities(lump_t *l)
1518 loadmodel->brush.entities = NULL;
1521 loadmodel->brush.entities = Mem_Alloc(loadmodel->mempool, l->filelen);
1522 memcpy(loadmodel->brush.entities, mod_base + l->fileofs, l->filelen);
1523 if (loadmodel->brush.ishlbsp)
1524 Mod_Q1BSP_ParseWadsFromEntityLump(loadmodel->brush.entities);
1528 static void Mod_Q1BSP_LoadVertexes(lump_t *l)
1534 in = (void *)(mod_base + l->fileofs);
1535 if (l->filelen % sizeof(*in))
1536 Host_Error("Mod_Q1BSP_LoadVertexes: funny lump size in %s",loadmodel->name);
1537 count = l->filelen / sizeof(*in);
1538 out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
1540 loadmodel->brushq1.vertexes = out;
1541 loadmodel->brushq1.numvertexes = count;
1543 for ( i=0 ; i<count ; i++, in++, out++)
1545 out->position[0] = LittleFloat(in->point[0]);
1546 out->position[1] = LittleFloat(in->point[1]);
1547 out->position[2] = LittleFloat(in->point[2]);
1551 static void Mod_Q1BSP_LoadSubmodels(lump_t *l)
1557 in = (void *)(mod_base + l->fileofs);
1558 if (l->filelen % sizeof(*in))
1559 Host_Error("Mod_Q1BSP_LoadSubmodels: funny lump size in %s",loadmodel->name);
1560 count = l->filelen / sizeof(*in);
1561 out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
1563 loadmodel->brushq1.submodels = out;
1564 loadmodel->brush.numsubmodels = count;
1566 for ( i=0 ; i<count ; i++, in++, out++)
1568 for (j=0 ; j<3 ; j++)
1570 // spread the mins / maxs by a pixel
1571 out->mins[j] = LittleFloat(in->mins[j]) - 1;
1572 out->maxs[j] = LittleFloat(in->maxs[j]) + 1;
1573 out->origin[j] = LittleFloat(in->origin[j]);
1575 for (j=0 ; j<MAX_MAP_HULLS ; j++)
1576 out->headnode[j] = LittleLong(in->headnode[j]);
1577 out->visleafs = LittleLong(in->visleafs);
1578 out->firstface = LittleLong(in->firstface);
1579 out->numfaces = LittleLong(in->numfaces);
1583 static void Mod_Q1BSP_LoadEdges(lump_t *l)
1589 in = (void *)(mod_base + l->fileofs);
1590 if (l->filelen % sizeof(*in))
1591 Host_Error("Mod_Q1BSP_LoadEdges: funny lump size in %s",loadmodel->name);
1592 count = l->filelen / sizeof(*in);
1593 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
1595 loadmodel->brushq1.edges = out;
1596 loadmodel->brushq1.numedges = count;
1598 for ( i=0 ; i<count ; i++, in++, out++)
1600 out->v[0] = (unsigned short)LittleShort(in->v[0]);
1601 out->v[1] = (unsigned short)LittleShort(in->v[1]);
1605 static void Mod_Q1BSP_LoadTexinfo(lump_t *l)
1609 int i, j, k, count, miptex;
1611 in = (void *)(mod_base + l->fileofs);
1612 if (l->filelen % sizeof(*in))
1613 Host_Error("Mod_Q1BSP_LoadTexinfo: funny lump size in %s",loadmodel->name);
1614 count = l->filelen / sizeof(*in);
1615 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
1617 loadmodel->brushq1.texinfo = out;
1618 loadmodel->brushq1.numtexinfo = count;
1620 for (i = 0;i < count;i++, in++, out++)
1622 for (k = 0;k < 2;k++)
1623 for (j = 0;j < 4;j++)
1624 out->vecs[k][j] = LittleFloat(in->vecs[k][j]);
1626 miptex = LittleLong(in->miptex);
1627 out->flags = LittleLong(in->flags);
1629 out->texture = NULL;
1630 if (loadmodel->brush.data_textures)
1632 if ((unsigned int) miptex >= (unsigned int) loadmodel->brush.num_textures)
1633 Con_Printf("error in model \"%s\": invalid miptex index %i(of %i)\n", loadmodel->name, miptex, loadmodel->brush.num_textures);
1635 out->texture = loadmodel->brush.data_textures + miptex;
1637 if (out->flags & TEX_SPECIAL)
1639 // if texture chosen is NULL or the shader needs a lightmap,
1640 // force to notexture water shader
1641 if (out->texture == NULL || out->texture->basematerialflags & MATERIALFLAG_WALL)
1642 out->texture = loadmodel->brush.data_textures + (loadmodel->brush.num_textures - 1);
1646 // if texture chosen is NULL, force to notexture
1647 if (out->texture == NULL)
1648 out->texture = loadmodel->brush.data_textures + (loadmodel->brush.num_textures - 2);
1654 void BoundPoly(int numverts, float *verts, vec3_t mins, vec3_t maxs)
1659 mins[0] = mins[1] = mins[2] = 9999;
1660 maxs[0] = maxs[1] = maxs[2] = -9999;
1662 for (i = 0;i < numverts;i++)
1664 for (j = 0;j < 3;j++, v++)
1674 #define MAX_SUBDIVPOLYTRIANGLES 4096
1675 #define MAX_SUBDIVPOLYVERTS(MAX_SUBDIVPOLYTRIANGLES * 3)
1677 static int subdivpolyverts, subdivpolytriangles;
1678 static int subdivpolyindex[MAX_SUBDIVPOLYTRIANGLES][3];
1679 static float subdivpolyvert[MAX_SUBDIVPOLYVERTS][3];
1681 static int subdivpolylookupvert(vec3_t v)
1684 for (i = 0;i < subdivpolyverts;i++)
1685 if (subdivpolyvert[i][0] == v[0]
1686 && subdivpolyvert[i][1] == v[1]
1687 && subdivpolyvert[i][2] == v[2])
1689 if (subdivpolyverts >= MAX_SUBDIVPOLYVERTS)
1690 Host_Error("SubDividePolygon: ran out of vertices in buffer, please increase your r_subdivide_size");
1691 VectorCopy(v, subdivpolyvert[subdivpolyverts]);
1692 return subdivpolyverts++;
1695 static void SubdividePolygon(int numverts, float *verts)
1697 int i, i1, i2, i3, f, b, c, p;
1698 vec3_t mins, maxs, front[256], back[256];
1699 float m, *pv, *cv, dist[256], frac;
1702 Host_Error("SubdividePolygon: ran out of verts in buffer");
1704 BoundPoly(numverts, verts, mins, maxs);
1706 for (i = 0;i < 3;i++)
1708 m = (mins[i] + maxs[i]) * 0.5;
1709 m = r_subdivide_size.value * floor(m/r_subdivide_size.value + 0.5);
1710 if (maxs[i] - m < 8)
1712 if (m - mins[i] < 8)
1716 for (cv = verts, c = 0;c < numverts;c++, cv += 3)
1717 dist[c] = cv[i] - m;
1720 for (p = numverts - 1, c = 0, pv = verts + p * 3, cv = verts;c < numverts;p = c, c++, pv = cv, cv += 3)
1724 VectorCopy(pv, front[f]);
1729 VectorCopy(pv, back[b]);
1732 if (dist[p] == 0 || dist[c] == 0)
1734 if ((dist[p] > 0) != (dist[c] > 0) )
1737 frac = dist[p] / (dist[p] - dist[c]);
1738 front[f][0] = back[b][0] = pv[0] + frac * (cv[0] - pv[0]);
1739 front[f][1] = back[b][1] = pv[1] + frac * (cv[1] - pv[1]);
1740 front[f][2] = back[b][2] = pv[2] + frac * (cv[2] - pv[2]);
1746 SubdividePolygon(f, front[0]);
1747 SubdividePolygon(b, back[0]);
1751 i1 = subdivpolylookupvert(verts);
1752 i2 = subdivpolylookupvert(verts + 3);
1753 for (i = 2;i < numverts;i++)
1755 if (subdivpolytriangles >= MAX_SUBDIVPOLYTRIANGLES)
1757 Con_Print("SubdividePolygon: ran out of triangles in buffer, please increase your r_subdivide_size\n");
1761 i3 = subdivpolylookupvert(verts + i * 3);
1762 subdivpolyindex[subdivpolytriangles][0] = i1;
1763 subdivpolyindex[subdivpolytriangles][1] = i2;
1764 subdivpolyindex[subdivpolytriangles][2] = i3;
1766 subdivpolytriangles++;
1770 //Breaks a polygon up along axial 64 unit
1771 //boundaries so that turbulent and sky warps
1772 //can be done reasonably.
1773 static void Mod_Q1BSP_GenerateWarpMesh(msurface_t *surface)
1779 subdivpolytriangles = 0;
1780 subdivpolyverts = 0;
1781 SubdividePolygon(surface->num_vertices, (surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex));
1782 if (subdivpolytriangles < 1)
1783 Host_Error("Mod_Q1BSP_GenerateWarpMesh: no triangles?\n");
1785 surface->mesh = mesh = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t) + subdivpolytriangles * sizeof(int[3]) + subdivpolyverts * sizeof(surfvertex_t));
1786 mesh->num_vertices = subdivpolyverts;
1787 mesh->num_triangles = subdivpolytriangles;
1788 mesh->vertex = (surfvertex_t *)(mesh + 1);
1789 mesh->index = (int *)(mesh->vertex + mesh->num_vertices);
1790 memset(mesh->vertex, 0, mesh->num_vertices * sizeof(surfvertex_t));
1792 for (i = 0;i < mesh->num_triangles;i++)
1793 for (j = 0;j < 3;j++)
1794 mesh->index[i*3+j] = subdivpolyindex[i][j];
1796 for (i = 0, v = mesh->vertex;i < subdivpolyverts;i++, v++)
1798 VectorCopy(subdivpolyvert[i], v->v);
1799 v->st[0] = DotProduct(v->v, surface->lightmapinfo->texinfo->vecs[0]);
1800 v->st[1] = DotProduct(v->v, surface->lightmapinfo->texinfo->vecs[1]);
1805 static void Mod_Q1BSP_LoadFaces(lump_t *l)
1808 msurface_t *surface;
1809 int i, j, count, surfacenum, planenum, smax, tmax, ssize, tsize, firstedge, numedges, totalverts, totaltris;
1810 float texmins[2], texmaxs[2], val;
1812 in = (void *)(mod_base + l->fileofs);
1813 if (l->filelen % sizeof(*in))
1814 Host_Error("Mod_Q1BSP_LoadFaces: funny lump size in %s",loadmodel->name);
1815 count = l->filelen / sizeof(*in);
1816 loadmodel->brush.data_surfaces = Mem_Alloc(loadmodel->mempool, count*sizeof(msurface_t));
1817 loadmodel->brush.data_surfaces_lightmapinfo = Mem_Alloc(loadmodel->mempool, count*sizeof(msurface_lightmapinfo_t));
1819 loadmodel->brush.num_surfaces = count;
1823 for (surfacenum = 0, in = (void *)(mod_base + l->fileofs);surfacenum < count;surfacenum++, in++)
1825 numedges = LittleShort(in->numedges);
1826 totalverts += numedges;
1827 totaltris += numedges - 2;
1830 // TODO: split up into multiple meshes as needed to avoid exceeding 65536
1832 loadmodel->nummeshes = 1;
1833 loadmodel->meshlist = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t *));
1834 loadmodel->meshlist[0] = Mod_AllocSurfMesh(loadmodel->mempool, totalverts, totaltris, true, true, false, false);
1838 for (surfacenum = 0, in = (void *)(mod_base + l->fileofs), surface = loadmodel->brush.data_surfaces;surfacenum < count;surfacenum++, in++, surface++)
1840 surface->lightmapinfo = loadmodel->brush.data_surfaces_lightmapinfo + surfacenum;
1842 // FIXME: validate edges, texinfo, etc?
1843 firstedge = LittleLong(in->firstedge);
1844 numedges = LittleShort(in->numedges);
1845 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)
1846 Host_Error("Mod_Q1BSP_LoadFaces: invalid edge range (firstedge %i, numedges %i, model edges %i)\n", firstedge, numedges, loadmodel->brushq1.numsurfedges);
1847 i = LittleShort(in->texinfo);
1848 if ((unsigned int) i >= (unsigned int) loadmodel->brushq1.numtexinfo)
1849 Host_Error("Mod_Q1BSP_LoadFaces: invalid texinfo index %i(model has %i texinfos)\n", i, loadmodel->brushq1.numtexinfo);
1850 surface->lightmapinfo->texinfo = loadmodel->brushq1.texinfo + i;
1851 surface->texture = surface->lightmapinfo->texinfo->texture;
1853 planenum = LittleShort(in->planenum);
1854 if ((unsigned int) planenum >= (unsigned int) loadmodel->brush.num_planes)
1855 Host_Error("Mod_Q1BSP_LoadFaces: invalid plane index %i (model has %i planes)\n", planenum, loadmodel->brush.num_planes);
1857 //surface->flags = surface->texture->flags;
1858 //if (LittleShort(in->side))
1859 // surface->flags |= SURF_PLANEBACK;
1860 //surface->plane = loadmodel->brush.data_planes + planenum;
1862 surface->groupmesh = loadmodel->meshlist[0];
1863 surface->num_firstvertex = totalverts;
1864 surface->num_vertices = numedges;
1865 surface->num_firsttriangle = totaltris;
1866 surface->num_triangles = numedges - 2;
1867 totalverts += numedges;
1868 totaltris += numedges - 2;
1870 // convert edges back to a normal polygon
1871 for (i = 0;i < surface->num_vertices;i++)
1873 int lindex = loadmodel->brushq1.surfedges[firstedge + i];
1876 VectorCopy(loadmodel->brushq1.vertexes[loadmodel->brushq1.edges[lindex].v[0]].position, (surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + i * 3);
1878 VectorCopy(loadmodel->brushq1.vertexes[loadmodel->brushq1.edges[-lindex].v[1]].position, (surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + i * 3);
1879 s = DotProduct(((surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + i * 3), surface->lightmapinfo->texinfo->vecs[0]) + surface->lightmapinfo->texinfo->vecs[0][3];
1880 t = DotProduct(((surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + i * 3), surface->lightmapinfo->texinfo->vecs[1]) + surface->lightmapinfo->texinfo->vecs[1][3];
1881 (surface->groupmesh->data_texcoordtexture2f + 2 * surface->num_firstvertex)[i * 2 + 0] = s / surface->texture->width;
1882 (surface->groupmesh->data_texcoordtexture2f + 2 * surface->num_firstvertex)[i * 2 + 1] = t / surface->texture->height;
1883 (surface->groupmesh->data_texcoorddetail2f + 2 * surface->num_firstvertex)[i * 2 + 0] = s * (1.0f / 16.0f);
1884 (surface->groupmesh->data_texcoorddetail2f + 2 * surface->num_firstvertex)[i * 2 + 1] = t * (1.0f / 16.0f);
1885 (surface->groupmesh->data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 0] = 0;
1886 (surface->groupmesh->data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 1] = 0;
1887 (surface->groupmesh->data_lightmapoffsets + surface->num_firstvertex)[i] = 0;
1890 for (i = 0;i < surface->num_triangles;i++)
1892 (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle)[i * 3 + 0] = 0 + surface->num_firstvertex;
1893 (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle)[i * 3 + 1] = i + 1 + surface->num_firstvertex;
1894 (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle)[i * 3 + 2] = i + 2 + surface->num_firstvertex;
1897 // compile additional data about the surface geometry
1898 Mod_BuildTextureVectorsAndNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, surface->groupmesh->data_vertex3f, surface->groupmesh->data_texcoordtexture2f, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle), surface->groupmesh->data_svector3f, surface->groupmesh->data_tvector3f, surface->groupmesh->data_normal3f);
1899 BoxFromPoints(surface->mins, surface->maxs, surface->num_vertices, (surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex));
1901 // generate surface extents information
1902 texmins[0] = texmaxs[0] = DotProduct((surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex), surface->lightmapinfo->texinfo->vecs[0]) + surface->lightmapinfo->texinfo->vecs[0][3];
1903 texmins[1] = texmaxs[1] = DotProduct((surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex), surface->lightmapinfo->texinfo->vecs[1]) + surface->lightmapinfo->texinfo->vecs[1][3];
1904 for (i = 1;i < surface->num_vertices;i++)
1906 for (j = 0;j < 2;j++)
1908 val = DotProduct((surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + i * 3, surface->lightmapinfo->texinfo->vecs[j]) + surface->lightmapinfo->texinfo->vecs[j][3];
1909 texmins[j] = min(texmins[j], val);
1910 texmaxs[j] = max(texmaxs[j], val);
1913 for (i = 0;i < 2;i++)
1915 surface->lightmapinfo->texturemins[i] = (int) floor(texmins[i] / 16.0) * 16;
1916 surface->lightmapinfo->extents[i] = (int) ceil(texmaxs[i] / 16.0) * 16 - surface->lightmapinfo->texturemins[i];
1919 smax = surface->lightmapinfo->extents[0] >> 4;
1920 tmax = surface->lightmapinfo->extents[1] >> 4;
1921 ssize = (surface->lightmapinfo->extents[0] >> 4) + 1;
1922 tsize = (surface->lightmapinfo->extents[1] >> 4) + 1;
1925 for (i = 0;i < MAXLIGHTMAPS;i++)
1926 surface->lightmapinfo->styles[i] = in->styles[i];
1927 // force lightmap upload on first time seeing the surface
1928 surface->cached_dlight = true;
1929 surface->lightmapinfo->lightmaptexturestride = 0;
1930 surface->lightmaptexture = NULL;
1931 i = LittleLong(in->lightofs);
1934 surface->lightmapinfo->samples = NULL;
1935 // give non-lightmapped water a 1x white lightmap
1936 if ((surface->texture->basematerialflags & MATERIALFLAG_WATER) && (surface->lightmapinfo->texinfo->flags & TEX_SPECIAL) && ssize <= 256 && tsize <= 256)
1938 surface->lightmapinfo->samples = Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
1939 surface->lightmapinfo->styles[0] = 0;
1940 memset(surface->lightmapinfo->samples, 128, ssize * tsize * 3);
1943 else if (loadmodel->brush.ishlbsp) // LordHavoc: HalfLife map (bsp version 30)
1944 surface->lightmapinfo->samples = loadmodel->brushq1.lightdata + i;
1945 else // LordHavoc: white lighting (bsp version 29)
1946 surface->lightmapinfo->samples = loadmodel->brushq1.lightdata + (i * 3);
1948 if (!(surface->lightmapinfo->texinfo->flags & TEX_SPECIAL) || surface->lightmapinfo->samples)
1951 float u, v, ubase, vbase, uscale, vscale;
1953 if (ssize > 256 || tsize > 256)
1954 Host_Error("Bad surface extents");
1955 // stainmap for permanent marks on walls
1956 surface->lightmapinfo->stainsamples = Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
1958 memset(surface->lightmapinfo->stainsamples, 255, ssize * tsize * 3);
1960 if (r_miplightmaps.integer)
1962 surface->lightmapinfo->lightmaptexturestride = ssize;
1963 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);
1967 surface->lightmapinfo->lightmaptexturestride = R_CompatibleFragmentWidth(ssize, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, 0);
1968 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);
1970 R_FragmentLocation(surface->lightmaptexture, NULL, NULL, &ubase, &vbase, &uscale, &vscale);
1971 uscale = (uscale - ubase) / ssize;
1972 vscale = (vscale - vbase) / tsize;
1974 for (i = 0;i < surface->num_vertices;i++)
1976 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);
1977 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);
1978 (surface->groupmesh->data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 0] = u * uscale + ubase;
1979 (surface->groupmesh->data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 1] = v * vscale + vbase;
1980 // LordHavoc: calc lightmap data offset for vertex lighting to use
1983 (surface->groupmesh->data_lightmapoffsets + surface->num_firstvertex)[i] = (bound(0, iv, tmax) * ssize + bound(0, iu, smax)) * 3;
1989 static void Mod_Q1BSP_LoadNodes_RecursiveSetParent(mnode_t *node, mnode_t *parent)
1992 // Host_Error("Mod_Q1BSP_LoadNodes_RecursiveSetParent: runaway recursion\n");
1993 node->parent = parent;
1996 Mod_Q1BSP_LoadNodes_RecursiveSetParent(node->children[0], node);
1997 Mod_Q1BSP_LoadNodes_RecursiveSetParent(node->children[1], node);
2001 static void Mod_Q1BSP_LoadNodes(lump_t *l)
2007 in = (void *)(mod_base + l->fileofs);
2008 if (l->filelen % sizeof(*in))
2009 Host_Error("Mod_Q1BSP_LoadNodes: 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_nodes = out;
2014 loadmodel->brush.num_nodes = count;
2016 for ( i=0 ; i<count ; i++, in++, out++)
2018 for (j=0 ; j<3 ; j++)
2020 out->mins[j] = LittleShort(in->mins[j]);
2021 out->maxs[j] = LittleShort(in->maxs[j]);
2024 p = LittleLong(in->planenum);
2025 out->plane = loadmodel->brush.data_planes + p;
2027 out->firstsurface = LittleShort(in->firstface);
2028 out->numsurfaces = LittleShort(in->numfaces);
2030 for (j=0 ; j<2 ; j++)
2032 p = LittleShort(in->children[j]);
2034 out->children[j] = loadmodel->brush.data_nodes + p;
2036 out->children[j] = (mnode_t *)(loadmodel->brush.data_leafs + (-1 - p));
2040 Mod_Q1BSP_LoadNodes_RecursiveSetParent(loadmodel->brush.data_nodes, NULL); // sets nodes and leafs
2043 static void Mod_Q1BSP_LoadLeafs(lump_t *l)
2049 in = (void *)(mod_base + l->fileofs);
2050 if (l->filelen % sizeof(*in))
2051 Host_Error("Mod_Q1BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
2052 count = l->filelen / sizeof(*in);
2053 out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
2055 loadmodel->brush.data_leafs = out;
2056 loadmodel->brush.num_leafs = count;
2057 // get visleafs from the submodel data
2058 loadmodel->brush.num_pvsclusters = loadmodel->brushq1.submodels[0].visleafs;
2059 loadmodel->brush.num_pvsclusterbytes = (loadmodel->brush.num_pvsclusters+7)>>3;
2060 loadmodel->brush.data_pvsclusters = Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_pvsclusters * loadmodel->brush.num_pvsclusterbytes);
2061 memset(loadmodel->brush.data_pvsclusters, 0xFF, loadmodel->brush.num_pvsclusters * loadmodel->brush.num_pvsclusterbytes);
2063 for ( i=0 ; i<count ; i++, in++, out++)
2065 for (j=0 ; j<3 ; j++)
2067 out->mins[j] = LittleShort(in->mins[j]);
2068 out->maxs[j] = LittleShort(in->maxs[j]);
2071 // FIXME: this function could really benefit from some error checking
2073 out->contents = LittleLong(in->contents);
2075 out->firstleafsurface = loadmodel->brush.data_leafsurfaces + LittleShort(in->firstmarksurface);
2076 out->numleafsurfaces = LittleShort(in->nummarksurfaces);
2077 if (out->firstleafsurface < 0 || LittleShort(in->firstmarksurface) + out->numleafsurfaces > loadmodel->brush.num_leafsurfaces)
2079 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);
2080 out->firstleafsurface = NULL;
2081 out->numleafsurfaces = 0;
2084 out->clusterindex = i - 1;
2085 if (out->clusterindex >= loadmodel->brush.num_pvsclusters)
2086 out->clusterindex = -1;
2088 p = LittleLong(in->visofs);
2089 // ignore visofs errors on leaf 0 (solid)
2090 if (p >= 0 && out->clusterindex >= 0)
2092 if (p >= loadmodel->brushq1.num_compressedpvs)
2093 Con_Print("Mod_Q1BSP_LoadLeafs: invalid visofs\n");
2095 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);
2098 for (j = 0;j < 4;j++)
2099 out->ambient_sound_level[j] = in->ambient_level[j];
2101 // FIXME: Insert caustics here
2105 static void Mod_Q1BSP_LoadClipnodes(lump_t *l)
2107 dclipnode_t *in, *out;
2111 in = (void *)(mod_base + l->fileofs);
2112 if (l->filelen % sizeof(*in))
2113 Host_Error("Mod_Q1BSP_LoadClipnodes: funny lump size in %s",loadmodel->name);
2114 count = l->filelen / sizeof(*in);
2115 out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
2117 loadmodel->brushq1.clipnodes = out;
2118 loadmodel->brushq1.numclipnodes = count;
2120 if (loadmodel->brush.ishlbsp)
2122 hull = &loadmodel->brushq1.hulls[1];
2123 hull->clipnodes = out;
2124 hull->firstclipnode = 0;
2125 hull->lastclipnode = count-1;
2126 hull->planes = loadmodel->brush.data_planes;
2127 hull->clip_mins[0] = -16;
2128 hull->clip_mins[1] = -16;
2129 hull->clip_mins[2] = -36;
2130 hull->clip_maxs[0] = 16;
2131 hull->clip_maxs[1] = 16;
2132 hull->clip_maxs[2] = 36;
2133 VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
2135 hull = &loadmodel->brushq1.hulls[2];
2136 hull->clipnodes = out;
2137 hull->firstclipnode = 0;
2138 hull->lastclipnode = count-1;
2139 hull->planes = loadmodel->brush.data_planes;
2140 hull->clip_mins[0] = -32;
2141 hull->clip_mins[1] = -32;
2142 hull->clip_mins[2] = -32;
2143 hull->clip_maxs[0] = 32;
2144 hull->clip_maxs[1] = 32;
2145 hull->clip_maxs[2] = 32;
2146 VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
2148 hull = &loadmodel->brushq1.hulls[3];
2149 hull->clipnodes = out;
2150 hull->firstclipnode = 0;
2151 hull->lastclipnode = count-1;
2152 hull->planes = loadmodel->brush.data_planes;
2153 hull->clip_mins[0] = -16;
2154 hull->clip_mins[1] = -16;
2155 hull->clip_mins[2] = -18;
2156 hull->clip_maxs[0] = 16;
2157 hull->clip_maxs[1] = 16;
2158 hull->clip_maxs[2] = 18;
2159 VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
2163 hull = &loadmodel->brushq1.hulls[1];
2164 hull->clipnodes = out;
2165 hull->firstclipnode = 0;
2166 hull->lastclipnode = count-1;
2167 hull->planes = loadmodel->brush.data_planes;
2168 hull->clip_mins[0] = -16;
2169 hull->clip_mins[1] = -16;
2170 hull->clip_mins[2] = -24;
2171 hull->clip_maxs[0] = 16;
2172 hull->clip_maxs[1] = 16;
2173 hull->clip_maxs[2] = 32;
2174 VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
2176 hull = &loadmodel->brushq1.hulls[2];
2177 hull->clipnodes = out;
2178 hull->firstclipnode = 0;
2179 hull->lastclipnode = count-1;
2180 hull->planes = loadmodel->brush.data_planes;
2181 hull->clip_mins[0] = -32;
2182 hull->clip_mins[1] = -32;
2183 hull->clip_mins[2] = -24;
2184 hull->clip_maxs[0] = 32;
2185 hull->clip_maxs[1] = 32;
2186 hull->clip_maxs[2] = 64;
2187 VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
2190 for (i=0 ; i<count ; i++, out++, in++)
2192 out->planenum = LittleLong(in->planenum);
2193 out->children[0] = LittleShort(in->children[0]);
2194 out->children[1] = LittleShort(in->children[1]);
2195 if (out->children[0] >= count || out->children[1] >= count)
2196 Host_Error("Corrupt clipping hull(out of range child)\n");
2200 //Duplicate the drawing hull structure as a clipping hull
2201 static void Mod_Q1BSP_MakeHull0(void)
2208 hull = &loadmodel->brushq1.hulls[0];
2210 in = loadmodel->brush.data_nodes;
2211 out = Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_nodes * sizeof(dclipnode_t));
2213 hull->clipnodes = out;
2214 hull->firstclipnode = 0;
2215 hull->lastclipnode = loadmodel->brush.num_nodes - 1;
2216 hull->planes = loadmodel->brush.data_planes;
2218 for (i = 0;i < loadmodel->brush.num_nodes;i++, out++, in++)
2220 out->planenum = in->plane - loadmodel->brush.data_planes;
2221 out->children[0] = in->children[0]->plane ? in->children[0] - loadmodel->brush.data_nodes : ((mleaf_t *)in->children[0])->contents;
2222 out->children[1] = in->children[1]->plane ? in->children[1] - loadmodel->brush.data_nodes : ((mleaf_t *)in->children[1])->contents;
2226 static void Mod_Q1BSP_LoadLeaffaces(lump_t *l)
2231 in = (void *)(mod_base + l->fileofs);
2232 if (l->filelen % sizeof(*in))
2233 Host_Error("Mod_Q1BSP_LoadLeaffaces: funny lump size in %s",loadmodel->name);
2234 loadmodel->brush.num_leafsurfaces = l->filelen / sizeof(*in);
2235 loadmodel->brush.data_leafsurfaces = Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_leafsurfaces * sizeof(int));
2237 for (i = 0;i < loadmodel->brush.num_leafsurfaces;i++)
2239 j = (unsigned) LittleShort(in[i]);
2240 if (j >= loadmodel->brush.num_surfaces)
2241 Host_Error("Mod_Q1BSP_LoadLeaffaces: bad surface number");
2242 loadmodel->brush.data_leafsurfaces[i] = j;
2246 static void Mod_Q1BSP_LoadSurfedges(lump_t *l)
2251 in = (void *)(mod_base + l->fileofs);
2252 if (l->filelen % sizeof(*in))
2253 Host_Error("Mod_Q1BSP_LoadSurfedges: funny lump size in %s",loadmodel->name);
2254 loadmodel->brushq1.numsurfedges = l->filelen / sizeof(*in);
2255 loadmodel->brushq1.surfedges = Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.numsurfedges * sizeof(int));
2257 for (i = 0;i < loadmodel->brushq1.numsurfedges;i++)
2258 loadmodel->brushq1.surfedges[i] = LittleLong(in[i]);
2262 static void Mod_Q1BSP_LoadPlanes(lump_t *l)
2268 in = (void *)(mod_base + l->fileofs);
2269 if (l->filelen % sizeof(*in))
2270 Host_Error("Mod_Q1BSP_LoadPlanes: funny lump size in %s", loadmodel->name);
2272 loadmodel->brush.num_planes = l->filelen / sizeof(*in);
2273 loadmodel->brush.data_planes = out = Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_planes * sizeof(*out));
2275 for (i = 0;i < loadmodel->brush.num_planes;i++, in++, out++)
2277 out->normal[0] = LittleFloat(in->normal[0]);
2278 out->normal[1] = LittleFloat(in->normal[1]);
2279 out->normal[2] = LittleFloat(in->normal[2]);
2280 out->dist = LittleFloat(in->dist);
2286 static void Mod_Q1BSP_LoadMapBrushes(void)
2290 int submodel, numbrushes;
2291 qboolean firstbrush;
2292 char *text, *maptext;
2293 char mapfilename[MAX_QPATH];
2294 FS_StripExtension (loadmodel->name, mapfilename, sizeof (mapfilename));
2295 strlcat (mapfilename, ".map", sizeof (mapfilename));
2296 maptext = (qbyte*) FS_LoadFile(mapfilename, tempmempool, false);
2300 if (!COM_ParseToken(&data, false))
2305 if (!COM_ParseToken(&data, false))
2307 if (com_token[0] != '{')
2313 brushes = Mem_Alloc(loadmodel->mempool, maxbrushes * sizeof(mbrush_t));
2316 if (!COM_ParseToken(&data, false))
2318 if (com_token[0] == '}')
2319 break; // end of entity
2320 if (com_token[0] == '{')
2327 if (submodel > loadmodel->brush.numsubmodels)
2329 Con_Printf("Mod_Q1BSP_LoadMapBrushes: .map has more submodels than .bsp!\n");
2333 model = loadmodel->brush.submodels[submodel];
2340 if (!COM_ParseToken(&data, false))
2342 if (com_token[0] == '}')
2343 break; // end of brush
2344 // each brush face should be this format:
2345 // ( x y z ) ( x y z ) ( x y z ) texture scroll_s scroll_t rotateangle scale_s scale_t
2346 // FIXME: support hl .map format
2347 for (pointnum = 0;pointnum < 3;pointnum++)
2349 COM_ParseToken(&data, false);
2350 for (componentnum = 0;componentnum < 3;componentnum++)
2352 COM_ParseToken(&data, false);
2353 point[pointnum][componentnum] = atof(com_token);
2355 COM_ParseToken(&data, false);
2357 COM_ParseToken(&data, false);
2358 strlcpy(facetexture, com_token, sizeof(facetexture));
2359 COM_ParseToken(&data, false);
2360 //scroll_s = atof(com_token);
2361 COM_ParseToken(&data, false);
2362 //scroll_t = atof(com_token);
2363 COM_ParseToken(&data, false);
2364 //rotate = atof(com_token);
2365 COM_ParseToken(&data, false);
2366 //scale_s = atof(com_token);
2367 COM_ParseToken(&data, false);
2368 //scale_t = atof(com_token);
2369 TriangleNormal(point[0], point[1], point[2], planenormal);
2370 VectorNormalizeDouble(planenormal);
2371 planedist = DotProduct(point[0], planenormal);
2372 //ChooseTexturePlane(planenormal, texturevector[0], texturevector[1]);
2382 #define MAX_PORTALPOINTS 64
2384 typedef struct portal_s
2387 mnode_t *nodes[2]; // [0] = front side of plane
2388 struct portal_s *next[2];
2390 double points[3*MAX_PORTALPOINTS];
2391 struct portal_s *chain; // all portals are linked into a list
2395 static portal_t *portalchain;
2402 static portal_t *AllocPortal(void)
2405 p = Mem_Alloc(loadmodel->mempool, sizeof(portal_t));
2406 p->chain = portalchain;
2411 static void FreePortal(portal_t *p)
2416 static void Mod_Q1BSP_RecursiveRecalcNodeBBox(mnode_t *node)
2418 // process only nodes (leafs already had their box calculated)
2422 // calculate children first
2423 Mod_Q1BSP_RecursiveRecalcNodeBBox(node->children[0]);
2424 Mod_Q1BSP_RecursiveRecalcNodeBBox(node->children[1]);
2426 // make combined bounding box from children
2427 node->mins[0] = min(node->children[0]->mins[0], node->children[1]->mins[0]);
2428 node->mins[1] = min(node->children[0]->mins[1], node->children[1]->mins[1]);
2429 node->mins[2] = min(node->children[0]->mins[2], node->children[1]->mins[2]);
2430 node->maxs[0] = max(node->children[0]->maxs[0], node->children[1]->maxs[0]);
2431 node->maxs[1] = max(node->children[0]->maxs[1], node->children[1]->maxs[1]);
2432 node->maxs[2] = max(node->children[0]->maxs[2], node->children[1]->maxs[2]);
2435 static void Mod_Q1BSP_FinalizePortals(void)
2437 int i, j, numportals, numpoints;
2438 portal_t *p, *pnext;
2441 mleaf_t *leaf, *endleaf;
2443 // recalculate bounding boxes for all leafs(because qbsp is very sloppy)
2444 leaf = loadmodel->brush.data_leafs;
2445 endleaf = leaf + loadmodel->brush.num_leafs;
2446 for (;leaf < endleaf;leaf++)
2448 VectorSet(leaf->mins, 2000000000, 2000000000, 2000000000);
2449 VectorSet(leaf->maxs, -2000000000, -2000000000, -2000000000);
2454 if (p->numpoints >= 3)
2456 for (i = 0;i < 2;i++)
2458 leaf = (mleaf_t *)p->nodes[i];
2459 for (j = 0;j < p->numpoints;j++)
2461 if (leaf->mins[0] > p->points[j*3+0]) leaf->mins[0] = p->points[j*3+0];
2462 if (leaf->mins[1] > p->points[j*3+1]) leaf->mins[1] = p->points[j*3+1];
2463 if (leaf->mins[2] > p->points[j*3+2]) leaf->mins[2] = p->points[j*3+2];
2464 if (leaf->maxs[0] < p->points[j*3+0]) leaf->maxs[0] = p->points[j*3+0];
2465 if (leaf->maxs[1] < p->points[j*3+1]) leaf->maxs[1] = p->points[j*3+1];
2466 if (leaf->maxs[2] < p->points[j*3+2]) leaf->maxs[2] = p->points[j*3+2];
2473 Mod_Q1BSP_RecursiveRecalcNodeBBox(loadmodel->brush.data_nodes);
2475 // tally up portal and point counts
2481 // note: this check must match the one below or it will usually corrupt memory
2482 // 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
2483 if (p->numpoints >= 3 && p->nodes[0] != p->nodes[1] && ((mleaf_t *)p->nodes[0])->clusterindex >= 0 && ((mleaf_t *)p->nodes[1])->clusterindex >= 0)
2486 numpoints += p->numpoints * 2;
2490 loadmodel->brush.data_portals = Mem_Alloc(loadmodel->mempool, numportals * sizeof(mportal_t) + numpoints * sizeof(mvertex_t));
2491 loadmodel->brush.num_portals = numportals;
2492 loadmodel->brush.data_portalpoints = (void *)((qbyte *) loadmodel->brush.data_portals + numportals * sizeof(mportal_t));
2493 loadmodel->brush.num_portalpoints = numpoints;
2494 // clear all leaf portal chains
2495 for (i = 0;i < loadmodel->brush.num_leafs;i++)
2496 loadmodel->brush.data_leafs[i].portals = NULL;
2497 // process all portals in the global portal chain, while freeing them
2498 portal = loadmodel->brush.data_portals;
2499 point = loadmodel->brush.data_portalpoints;
2506 // note: this check must match the one above or it will usually corrupt memory
2507 // 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
2508 if (p->numpoints >= 3 && p->nodes[0] != p->nodes[1] && ((mleaf_t *)p->nodes[0])->clusterindex >= 0 && ((mleaf_t *)p->nodes[1])->clusterindex >= 0)
2510 // first make the back to front portal(forward portal)
2511 portal->points = point;
2512 portal->numpoints = p->numpoints;
2513 portal->plane.dist = p->plane.dist;
2514 VectorCopy(p->plane.normal, portal->plane.normal);
2515 portal->here = (mleaf_t *)p->nodes[1];
2516 portal->past = (mleaf_t *)p->nodes[0];
2518 for (j = 0;j < portal->numpoints;j++)
2520 VectorCopy(p->points + j*3, point->position);
2523 BoxFromPoints(portal->mins, portal->maxs, portal->numpoints, portal->points->position);
2524 PlaneClassify(&portal->plane);
2526 // link into leaf's portal chain
2527 portal->next = portal->here->portals;
2528 portal->here->portals = portal;
2530 // advance to next portal
2533 // then make the front to back portal(backward portal)
2534 portal->points = point;
2535 portal->numpoints = p->numpoints;
2536 portal->plane.dist = -p->plane.dist;
2537 VectorNegate(p->plane.normal, portal->plane.normal);
2538 portal->here = (mleaf_t *)p->nodes[0];
2539 portal->past = (mleaf_t *)p->nodes[1];
2541 for (j = portal->numpoints - 1;j >= 0;j--)
2543 VectorCopy(p->points + j*3, point->position);
2546 BoxFromPoints(portal->mins, portal->maxs, portal->numpoints, portal->points->position);
2547 PlaneClassify(&portal->plane);
2549 // link into leaf's portal chain
2550 portal->next = portal->here->portals;
2551 portal->here->portals = portal;
2553 // advance to next portal
2566 static void AddPortalToNodes(portal_t *p, mnode_t *front, mnode_t *back)
2569 Host_Error("AddPortalToNodes: NULL front node");
2571 Host_Error("AddPortalToNodes: NULL back node");
2572 if (p->nodes[0] || p->nodes[1])
2573 Host_Error("AddPortalToNodes: already included");
2574 // 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
2576 p->nodes[0] = front;
2577 p->next[0] = (portal_t *)front->portals;
2578 front->portals = (mportal_t *)p;
2581 p->next[1] = (portal_t *)back->portals;
2582 back->portals = (mportal_t *)p;
2587 RemovePortalFromNode
2590 static void RemovePortalFromNodes(portal_t *portal)
2594 void **portalpointer;
2596 for (i = 0;i < 2;i++)
2598 node = portal->nodes[i];
2600 portalpointer = (void **) &node->portals;
2605 Host_Error("RemovePortalFromNodes: portal not in leaf");
2609 if (portal->nodes[0] == node)
2611 *portalpointer = portal->next[0];
2612 portal->nodes[0] = NULL;
2614 else if (portal->nodes[1] == node)
2616 *portalpointer = portal->next[1];
2617 portal->nodes[1] = NULL;
2620 Host_Error("RemovePortalFromNodes: portal not bounding leaf");
2624 if (t->nodes[0] == node)
2625 portalpointer = (void **) &t->next[0];
2626 else if (t->nodes[1] == node)
2627 portalpointer = (void **) &t->next[1];
2629 Host_Error("RemovePortalFromNodes: portal not bounding leaf");
2634 static void Mod_Q1BSP_RecursiveNodePortals(mnode_t *node)
2637 mnode_t *front, *back, *other_node;
2638 mplane_t clipplane, *plane;
2639 portal_t *portal, *nextportal, *nodeportal, *splitportal, *temp;
2640 int numfrontpoints, numbackpoints;
2641 double frontpoints[3*MAX_PORTALPOINTS], backpoints[3*MAX_PORTALPOINTS];
2643 // if a leaf, we're done
2647 plane = node->plane;
2649 front = node->children[0];
2650 back = node->children[1];
2652 Host_Error("Mod_Q1BSP_RecursiveNodePortals: corrupt node hierarchy");
2654 // create the new portal by generating a polygon for the node plane,
2655 // and clipping it by all of the other portals(which came from nodes above this one)
2656 nodeportal = AllocPortal();
2657 nodeportal->plane = *plane;
2659 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);
2660 nodeportal->numpoints = 4;
2661 side = 0; // shut up compiler warning
2662 for (portal = (portal_t *)node->portals;portal;portal = portal->next[side])
2664 clipplane = portal->plane;
2665 if (portal->nodes[0] == portal->nodes[1])
2666 Host_Error("Mod_Q1BSP_RecursiveNodePortals: portal has same node on both sides(1)");
2667 if (portal->nodes[0] == node)
2669 else if (portal->nodes[1] == node)
2671 clipplane.dist = -clipplane.dist;
2672 VectorNegate(clipplane.normal, clipplane.normal);
2676 Host_Error("Mod_Q1BSP_RecursiveNodePortals: mislinked portal");
2678 for (i = 0;i < nodeportal->numpoints*3;i++)
2679 frontpoints[i] = nodeportal->points[i];
2680 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);
2681 if (nodeportal->numpoints <= 0 || nodeportal->numpoints >= MAX_PORTALPOINTS)
2685 if (nodeportal->numpoints < 3)
2687 Con_Print("Mod_Q1BSP_RecursiveNodePortals: WARNING: new portal was clipped away\n");
2688 nodeportal->numpoints = 0;
2690 else if (nodeportal->numpoints >= MAX_PORTALPOINTS)
2692 Con_Print("Mod_Q1BSP_RecursiveNodePortals: WARNING: new portal has too many points\n");
2693 nodeportal->numpoints = 0;
2696 AddPortalToNodes(nodeportal, front, back);
2698 // split the portals of this node along this node's plane and assign them to the children of this node
2699 // (migrating the portals downward through the tree)
2700 for (portal = (portal_t *)node->portals;portal;portal = nextportal)
2702 if (portal->nodes[0] == portal->nodes[1])
2703 Host_Error("Mod_Q1BSP_RecursiveNodePortals: portal has same node on both sides(2)");
2704 if (portal->nodes[0] == node)
2706 else if (portal->nodes[1] == node)
2709 Host_Error("Mod_Q1BSP_RecursiveNodePortals: mislinked portal");
2710 nextportal = portal->next[side];
2711 if (!portal->numpoints)
2714 other_node = portal->nodes[!side];
2715 RemovePortalFromNodes(portal);
2717 // cut the portal into two portals, one on each side of the node plane
2718 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);
2720 if (!numfrontpoints)
2723 AddPortalToNodes(portal, back, other_node);
2725 AddPortalToNodes(portal, other_node, back);
2731 AddPortalToNodes(portal, front, other_node);
2733 AddPortalToNodes(portal, other_node, front);
2737 // the portal is split
2738 splitportal = AllocPortal();
2739 temp = splitportal->chain;
2740 *splitportal = *portal;
2741 splitportal->chain = temp;
2742 for (i = 0;i < numbackpoints*3;i++)
2743 splitportal->points[i] = backpoints[i];
2744 splitportal->numpoints = numbackpoints;
2745 for (i = 0;i < numfrontpoints*3;i++)
2746 portal->points[i] = frontpoints[i];
2747 portal->numpoints = numfrontpoints;
2751 AddPortalToNodes(portal, front, other_node);
2752 AddPortalToNodes(splitportal, back, other_node);
2756 AddPortalToNodes(portal, other_node, front);
2757 AddPortalToNodes(splitportal, other_node, back);
2761 Mod_Q1BSP_RecursiveNodePortals(front);
2762 Mod_Q1BSP_RecursiveNodePortals(back);
2765 static void Mod_Q1BSP_MakePortals(void)
2768 Mod_Q1BSP_RecursiveNodePortals(loadmodel->brush.data_nodes);
2769 Mod_Q1BSP_FinalizePortals();
2772 static void Mod_Q1BSP_BuildLightmapUpdateChains(mempool_t *mempool, model_t *model)
2774 int i, j, stylecounts[256], totalcount, remapstyles[256];
2775 msurface_t *surface;
2776 memset(stylecounts, 0, sizeof(stylecounts));
2777 for (i = 0;i < model->nummodelsurfaces;i++)
2779 surface = model->brush.data_surfaces + model->firstmodelsurface + i;
2780 for (j = 0;j < MAXLIGHTMAPS;j++)
2781 stylecounts[surface->lightmapinfo->styles[j]]++;
2784 model->brushq1.light_styles = 0;
2785 for (i = 0;i < 255;i++)
2789 remapstyles[i] = model->brushq1.light_styles++;
2790 totalcount += stylecounts[i] + 1;
2795 model->brushq1.light_style = Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(qbyte));
2796 model->brushq1.light_stylevalue = Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(int));
2797 model->brushq1.light_styleupdatechains = Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(msurface_t **));
2798 model->brushq1.light_styleupdatechainsbuffer = Mem_Alloc(mempool, totalcount * sizeof(msurface_t *));
2799 model->brushq1.light_styles = 0;
2800 for (i = 0;i < 255;i++)
2802 model->brushq1.light_style[model->brushq1.light_styles++] = i;
2804 for (i = 0;i < model->brushq1.light_styles;i++)
2806 model->brushq1.light_styleupdatechains[i] = model->brushq1.light_styleupdatechainsbuffer + j;
2807 j += stylecounts[model->brushq1.light_style[i]] + 1;
2809 for (i = 0;i < model->nummodelsurfaces;i++)
2811 surface = model->brush.data_surfaces + model->firstmodelsurface + i;
2812 for (j = 0;j < MAXLIGHTMAPS;j++)
2813 if (surface->lightmapinfo->styles[j] != 255)
2814 *model->brushq1.light_styleupdatechains[remapstyles[surface->lightmapinfo->styles[j]]]++ = surface;
2817 for (i = 0;i < model->brushq1.light_styles;i++)
2819 *model->brushq1.light_styleupdatechains[i] = NULL;
2820 model->brushq1.light_styleupdatechains[i] = model->brushq1.light_styleupdatechainsbuffer + j;
2821 j += stylecounts[model->brushq1.light_style[i]] + 1;
2825 //Returns PVS data for a given point
2826 //(note: can return NULL)
2827 static qbyte *Mod_Q1BSP_GetPVS(model_t *model, const vec3_t p)
2830 Mod_CheckLoaded(model);
2831 node = model->brush.data_nodes;
2833 node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct(p,node->plane->normal)) < node->plane->dist];
2834 if (((mleaf_t *)node)->clusterindex >= 0)
2835 return model->brush.data_pvsclusters + ((mleaf_t *)node)->clusterindex * model->brush.num_pvsclusterbytes;
2840 static void Mod_Q1BSP_FatPVS_RecursiveBSPNode(model_t *model, const vec3_t org, vec_t radius, qbyte *pvsbuffer, int pvsbytes, mnode_t *node)
2844 float d = PlaneDiff(org, node->plane);
2846 node = node->children[0];
2847 else if (d < -radius)
2848 node = node->children[1];
2851 // go down both sides
2852 Mod_Q1BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, pvsbytes, node->children[0]);
2853 node = node->children[1];
2856 // if this leaf is in a cluster, accumulate the pvs bits
2857 if (((mleaf_t *)node)->clusterindex >= 0)
2860 qbyte *pvs = model->brush.data_pvsclusters + ((mleaf_t *)node)->clusterindex * model->brush.num_pvsclusterbytes;
2861 for (i = 0;i < pvsbytes;i++)
2862 pvsbuffer[i] |= pvs[i];
2866 //Calculates a PVS that is the inclusive or of all leafs within radius pixels
2867 //of the given point.
2868 static int Mod_Q1BSP_FatPVS(model_t *model, const vec3_t org, vec_t radius, qbyte *pvsbuffer, int pvsbufferlength)
2870 int bytes = model->brush.num_pvsclusterbytes;
2871 bytes = min(bytes, pvsbufferlength);
2872 if (r_novis.integer || !model->brush.num_pvsclusters || !Mod_Q1BSP_GetPVS(model, org))
2874 memset(pvsbuffer, 0xFF, bytes);
2877 memset(pvsbuffer, 0, bytes);
2878 Mod_Q1BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, bytes, model->brush.data_nodes);
2882 static void Mod_Q1BSP_RoundUpToHullSize(model_t *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs)
2887 VectorSubtract(inmaxs, inmins, size);
2888 if (cmodel->brush.ishlbsp)
2891 hull = &cmodel->brushq1.hulls[0]; // 0x0x0
2892 else if (size[0] <= 32)
2894 if (size[2] < 54) // pick the nearest of 36 or 72
2895 hull = &cmodel->brushq1.hulls[3]; // 32x32x36
2897 hull = &cmodel->brushq1.hulls[1]; // 32x32x72
2900 hull = &cmodel->brushq1.hulls[2]; // 64x64x64
2905 hull = &cmodel->brushq1.hulls[0]; // 0x0x0
2906 else if (size[0] <= 32)
2907 hull = &cmodel->brushq1.hulls[1]; // 32x32x56
2909 hull = &cmodel->brushq1.hulls[2]; // 64x64x88
2911 VectorCopy(inmins, outmins);
2912 VectorAdd(inmins, hull->clip_size, outmaxs);
2915 extern void R_Q1BSP_DrawSky(entity_render_t *ent);
2916 extern void R_Q1BSP_Draw(entity_render_t *ent);
2917 extern void R_Q1BSP_GetLightInfo(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, vec3_t outmins, vec3_t outmaxs, int *outleaflist, qbyte *outleafpvs, int *outnumleafspointer, int *outsurfacelist, qbyte *outsurfacepvs, int *outnumsurfacespointer);
2918 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);
2919 extern void R_Q1BSP_DrawLight(entity_render_t *ent, float *lightcolor, int numsurfaces, const int *surfacelist);
2920 void Mod_Q1BSP_Load(model_t *mod, void *buffer)
2925 mempool_t *mainmempool;
2926 float dist, modelyawradius, modelradius, *vec;
2927 msurface_t *surface;
2928 int numshadowmeshtriangles;
2930 mod->type = mod_brushq1;
2932 header = (dheader_t *)buffer;
2934 i = LittleLong(header->version);
2935 if (i != BSPVERSION && i != 30)
2936 Host_Error("Mod_Q1BSP_Load: %s has wrong version number(%i should be %i(Quake) or 30(HalfLife))", mod->name, i, BSPVERSION);
2937 mod->brush.ishlbsp = i == 30;
2939 mod->soundfromcenter = true;
2940 mod->TraceBox = Mod_Q1BSP_TraceBox;
2941 mod->brush.SuperContentsFromNativeContents = Mod_Q1BSP_SuperContentsFromNativeContents;
2942 mod->brush.NativeContentsFromSuperContents = Mod_Q1BSP_NativeContentsFromSuperContents;
2943 mod->brush.GetPVS = Mod_Q1BSP_GetPVS;
2944 mod->brush.FatPVS = Mod_Q1BSP_FatPVS;
2945 mod->brush.BoxTouchingPVS = Mod_Q1BSP_BoxTouchingPVS;
2946 mod->brush.BoxTouchingLeafPVS = Mod_Q1BSP_BoxTouchingLeafPVS;
2947 mod->brush.BoxTouchingVisibleLeafs = Mod_Q1BSP_BoxTouchingVisibleLeafs;
2948 mod->brush.LightPoint = Mod_Q1BSP_LightPoint;
2949 mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
2950 mod->brush.AmbientSoundLevelsForPoint = Mod_Q1BSP_AmbientSoundLevelsForPoint;
2951 mod->brush.RoundUpToHullSize = Mod_Q1BSP_RoundUpToHullSize;
2952 mod->brush.PointInLeaf = Mod_Q1BSP_PointInLeaf;
2954 if (loadmodel->isworldmodel)
2955 Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
2957 // swap all the lumps
2958 mod_base = (qbyte *)header;
2960 header->version = LittleLong(header->version);
2961 for (i = 0;i < HEADER_LUMPS;i++)
2963 header->lumps[i].fileofs = LittleLong(header->lumps[i].fileofs);
2964 header->lumps[i].filelen = LittleLong(header->lumps[i].filelen);
2969 // store which lightmap format to use
2970 mod->brushq1.lightmaprgba = r_lightmaprgba.integer;
2972 Mod_Q1BSP_LoadEntities(&header->lumps[LUMP_ENTITIES]);
2973 Mod_Q1BSP_LoadVertexes(&header->lumps[LUMP_VERTEXES]);
2974 Mod_Q1BSP_LoadEdges(&header->lumps[LUMP_EDGES]);
2975 Mod_Q1BSP_LoadSurfedges(&header->lumps[LUMP_SURFEDGES]);
2976 Mod_Q1BSP_LoadTextures(&header->lumps[LUMP_TEXTURES]);
2977 Mod_Q1BSP_LoadLighting(&header->lumps[LUMP_LIGHTING]);
2978 Mod_Q1BSP_LoadPlanes(&header->lumps[LUMP_PLANES]);
2979 Mod_Q1BSP_LoadTexinfo(&header->lumps[LUMP_TEXINFO]);
2980 Mod_Q1BSP_LoadFaces(&header->lumps[LUMP_FACES]);
2981 Mod_Q1BSP_LoadLeaffaces(&header->lumps[LUMP_MARKSURFACES]);
2982 Mod_Q1BSP_LoadVisibility(&header->lumps[LUMP_VISIBILITY]);
2983 // load submodels before leafs because they contain the number of vis leafs
2984 Mod_Q1BSP_LoadSubmodels(&header->lumps[LUMP_MODELS]);
2985 Mod_Q1BSP_LoadLeafs(&header->lumps[LUMP_LEAFS]);
2986 Mod_Q1BSP_LoadNodes(&header->lumps[LUMP_NODES]);
2987 Mod_Q1BSP_LoadClipnodes(&header->lumps[LUMP_CLIPNODES]);
2989 if (!mod->brushq1.lightdata)
2990 mod->brush.LightPoint = NULL;
2992 if (mod->brushq1.data_compressedpvs)
2993 Mem_Free(mod->brushq1.data_compressedpvs);
2994 mod->brushq1.data_compressedpvs = NULL;
2995 mod->brushq1.num_compressedpvs = 0;
2997 Mod_Q1BSP_MakeHull0();
2998 Mod_Q1BSP_MakePortals();
3000 mod->numframes = 2; // regular and alternate animation
3003 mainmempool = mod->mempool;
3005 Mod_Q1BSP_LoadLightList();
3007 // make a single combined shadow mesh to allow optimized shadow volume creation
3008 numshadowmeshtriangles = 0;
3009 for (j = 0, surface = loadmodel->brush.data_surfaces;j < loadmodel->brush.num_surfaces;j++, surface++)
3011 surface->num_firstshadowmeshtriangle = numshadowmeshtriangles;
3012 numshadowmeshtriangles += surface->num_triangles;
3014 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Begin(loadmodel->mempool, numshadowmeshtriangles * 3, numshadowmeshtriangles, NULL, NULL, NULL, false, false, true);
3015 for (j = 0, surface = loadmodel->brush.data_surfaces;j < loadmodel->brush.num_surfaces;j++, surface++)
3016 Mod_ShadowMesh_AddMesh(loadmodel->mempool, loadmodel->brush.shadowmesh, NULL, NULL, NULL, surface->groupmesh->data_vertex3f, NULL, NULL, NULL, NULL, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
3017 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Finish(loadmodel->mempool, loadmodel->brush.shadowmesh, false, true);
3018 Mod_BuildTriangleNeighbors(loadmodel->brush.shadowmesh->neighbor3i, loadmodel->brush.shadowmesh->element3i, loadmodel->brush.shadowmesh->numtriangles);
3020 if (loadmodel->brush.numsubmodels)
3021 loadmodel->brush.submodels = Mem_Alloc(loadmodel->mempool, loadmodel->brush.numsubmodels * sizeof(model_t *));
3023 if (loadmodel->isworldmodel)
3025 // clear out any stale submodels or worldmodels lying around
3026 // if we did this clear before now, an error might abort loading and
3027 // leave things in a bad state
3028 Mod_RemoveStaleWorldModels(loadmodel);
3031 // LordHavoc: to clear the fog around the original quake submodel code, I
3033 // first of all, some background info on the submodels:
3034 // model 0 is the map model (the world, named maps/e1m1.bsp for example)
3035 // model 1 and higher are submodels (doors and the like, named *1, *2, etc)
3036 // now the weird for loop itself:
3037 // the loop functions in an odd way, on each iteration it sets up the
3038 // current 'mod' model (which despite the confusing code IS the model of
3039 // the number i), at the end of the loop it duplicates the model to become
3040 // the next submodel, and loops back to set up the new submodel.
3042 // LordHavoc: now the explanation of my sane way (which works identically):
3043 // set up the world model, then on each submodel copy from the world model
3044 // and set up the submodel with the respective model info.
3045 for (i = 0;i < mod->brush.numsubmodels;i++)
3047 // LordHavoc: this code was originally at the end of this loop, but
3048 // has been transformed to something more readable at the start here.
3053 // LordHavoc: only register submodels if it is the world
3054 // (prevents external bsp models from replacing world submodels with
3056 if (!loadmodel->isworldmodel)
3058 // duplicate the basic information
3059 sprintf(name, "*%i", i);
3060 mod = Mod_FindName(name);
3061 // copy the base model to this one
3063 // rename the clone back to its proper name
3064 strcpy(mod->name, name);
3065 // textures and memory belong to the main model
3066 mod->texturepool = NULL;
3067 mod->mempool = NULL;
3070 mod->brush.submodel = i;
3072 if (loadmodel->brush.submodels)
3073 loadmodel->brush.submodels[i] = mod;
3075 bm = &mod->brushq1.submodels[i];
3077 mod->brushq1.hulls[0].firstclipnode = bm->headnode[0];
3078 for (j=1 ; j<MAX_MAP_HULLS ; j++)
3080 mod->brushq1.hulls[j].firstclipnode = bm->headnode[j];
3081 mod->brushq1.hulls[j].lastclipnode = mod->brushq1.numclipnodes - 1;
3084 mod->firstmodelsurface = bm->firstface;
3085 mod->nummodelsurfaces = bm->numfaces;
3087 // make the model surface list (used by shadowing/lighting)
3088 mod->surfacelist = Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->surfacelist));
3089 for (j = 0;j < mod->nummodelsurfaces;j++)
3090 mod->surfacelist[j] = mod->firstmodelsurface + j;
3092 // this gets altered below if sky is used
3093 mod->DrawSky = NULL;
3094 mod->Draw = R_Q1BSP_Draw;
3095 mod->GetLightInfo = R_Q1BSP_GetLightInfo;
3096 mod->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
3097 mod->DrawLight = R_Q1BSP_DrawLight;
3100 mod->brush.GetPVS = NULL;
3101 mod->brush.FatPVS = NULL;
3102 mod->brush.BoxTouchingPVS = NULL;
3103 mod->brush.BoxTouchingLeafPVS = NULL;
3104 mod->brush.BoxTouchingVisibleLeafs = NULL;
3105 mod->brush.LightPoint = NULL;
3106 mod->brush.AmbientSoundLevelsForPoint = NULL;
3108 Mod_Q1BSP_BuildLightmapUpdateChains(loadmodel->mempool, mod);
3109 if (mod->nummodelsurfaces)
3111 // LordHavoc: calculate bmodel bounding box rather than trusting what it says
3112 mod->normalmins[0] = mod->normalmins[1] = mod->normalmins[2] = 1000000000.0f;
3113 mod->normalmaxs[0] = mod->normalmaxs[1] = mod->normalmaxs[2] = -1000000000.0f;
3116 for (j = 0, surface = &mod->brush.data_surfaces[mod->firstmodelsurface];j < mod->nummodelsurfaces;j++, surface++)
3118 // we only need to have a drawsky function if it is used(usually only on world model)
3119 if (surface->texture->basematerialflags & MATERIALFLAG_SKY)
3120 mod->DrawSky = R_Q1BSP_DrawSky;
3121 // calculate bounding shapes
3122 for (k = 0, vec = (surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex);k < surface->num_vertices;k++, vec += 3)
3124 if (mod->normalmins[0] > vec[0]) mod->normalmins[0] = vec[0];
3125 if (mod->normalmins[1] > vec[1]) mod->normalmins[1] = vec[1];
3126 if (mod->normalmins[2] > vec[2]) mod->normalmins[2] = vec[2];
3127 if (mod->normalmaxs[0] < vec[0]) mod->normalmaxs[0] = vec[0];
3128 if (mod->normalmaxs[1] < vec[1]) mod->normalmaxs[1] = vec[1];
3129 if (mod->normalmaxs[2] < vec[2]) mod->normalmaxs[2] = vec[2];
3130 dist = vec[0]*vec[0]+vec[1]*vec[1];
3131 if (modelyawradius < dist)
3132 modelyawradius = dist;
3133 dist += vec[2]*vec[2];
3134 if (modelradius < dist)
3138 modelyawradius = sqrt(modelyawradius);
3139 modelradius = sqrt(modelradius);
3140 mod->yawmins[0] = mod->yawmins[1] = - (mod->yawmaxs[0] = mod->yawmaxs[1] = modelyawradius);
3141 mod->yawmins[2] = mod->normalmins[2];
3142 mod->yawmaxs[2] = mod->normalmaxs[2];
3143 mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius;
3144 mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
3145 mod->radius = modelradius;
3146 mod->radius2 = modelradius * modelradius;
3150 // LordHavoc: empty submodel(lacrima.bsp has such a glitch)
3151 Con_Printf("warning: empty submodel *%i in %s\n", i+1, loadmodel->name);
3153 //mod->brushq1.num_visleafs = bm->visleafs;
3156 Mod_Q1BSP_LoadMapBrushes();
3158 //Mod_Q1BSP_ProcessLightList();
3160 if (developer.integer)
3161 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);
3164 static void Mod_Q2BSP_LoadEntities(lump_t *l)
3168 static void Mod_Q2BSP_LoadPlanes(lump_t *l)
3175 in = (void *)(mod_base + l->fileofs);
3176 if (l->filelen % sizeof(*in))
3177 Host_Error("Mod_Q2BSP_LoadPlanes: 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_LoadVertices(lump_t *l)
3197 in = (void *)(mod_base + l->fileofs);
3198 if (l->filelen % sizeof(*in))
3199 Host_Error("Mod_Q2BSP_LoadVertices: 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_LoadVisibility(lump_t *l)
3219 in = (void *)(mod_base + l->fileofs);
3220 if (l->filelen % sizeof(*in))
3221 Host_Error("Mod_Q2BSP_LoadVisibility: 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_LoadNodes(lump_t *l)
3241 in = (void *)(mod_base + l->fileofs);
3242 if (l->filelen % sizeof(*in))
3243 Host_Error("Mod_Q2BSP_LoadNodes: 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_LoadTexInfo(lump_t *l)
3263 in = (void *)(mod_base + l->fileofs);
3264 if (l->filelen % sizeof(*in))
3265 Host_Error("Mod_Q2BSP_LoadTexInfo: 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_LoadFaces(lump_t *l)
3285 in = (void *)(mod_base + l->fileofs);
3286 if (l->filelen % sizeof(*in))
3287 Host_Error("Mod_Q2BSP_LoadFaces: 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_LoadLighting(lump_t *l)
3307 in = (void *)(mod_base + l->fileofs);
3308 if (l->filelen % sizeof(*in))
3309 Host_Error("Mod_Q2BSP_LoadLighting: 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_LoadLeafs(lump_t *l)
3329 in = (void *)(mod_base + l->fileofs);
3330 if (l->filelen % sizeof(*in))
3331 Host_Error("Mod_Q2BSP_LoadLeafs: 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_LoadLeafFaces(lump_t *l)
3351 in = (void *)(mod_base + l->fileofs);
3352 if (l->filelen % sizeof(*in))
3353 Host_Error("Mod_Q2BSP_LoadLeafFaces: 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_LoadLeafBrushes(lump_t *l)
3373 in = (void *)(mod_base + l->fileofs);
3374 if (l->filelen % sizeof(*in))
3375 Host_Error("Mod_Q2BSP_LoadLeafBrushes: 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_LoadEdges(lump_t *l)
3395 in = (void *)(mod_base + l->fileofs);
3396 if (l->filelen % sizeof(*in))
3397 Host_Error("Mod_Q2BSP_LoadEdges: 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_LoadSurfEdges(lump_t *l)
3417 in = (void *)(mod_base + l->fileofs);
3418 if (l->filelen % sizeof(*in))
3419 Host_Error("Mod_Q2BSP_LoadSurfEdges: 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_LoadBrushes(lump_t *l)
3439 in = (void *)(mod_base + l->fileofs);
3440 if (l->filelen % sizeof(*in))
3441 Host_Error("Mod_Q2BSP_LoadBrushes: 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_LoadBrushSides(lump_t *l)
3461 in = (void *)(mod_base + l->fileofs);
3462 if (l->filelen % sizeof(*in))
3463 Host_Error("Mod_Q2BSP_LoadBrushSides: 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_LoadAreas(lump_t *l)
3483 in = (void *)(mod_base + l->fileofs);
3484 if (l->filelen % sizeof(*in))
3485 Host_Error("Mod_Q2BSP_LoadAreas: 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 static void Mod_Q2BSP_LoadAreaPortals(lump_t *l)
3505 in = (void *)(mod_base + l->fileofs);
3506 if (l->filelen % sizeof(*in))
3507 Host_Error("Mod_Q2BSP_LoadAreaPortals: funny lump size in %s",loadmodel->name);
3508 count = l->filelen / sizeof(*in);
3509 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3512 loadmodel->num = count;
3514 for (i = 0;i < count;i++, in++, out++)
3520 static void Mod_Q2BSP_LoadModels(lump_t *l)
3527 in = (void *)(mod_base + l->fileofs);
3528 if (l->filelen % sizeof(*in))
3529 Host_Error("Mod_Q2BSP_LoadModels: funny lump size in %s",loadmodel->name);
3530 count = l->filelen / sizeof(*in);
3531 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3534 loadmodel->num = count;
3536 for (i = 0;i < count;i++, in++, out++)
3542 void static Mod_Q2BSP_Load(model_t *mod, void *buffer)
3545 q2dheader_t *header;
3547 Host_Error("Mod_Q2BSP_Load: not yet implemented\n");
3549 mod->type = mod_brushq2;
3551 header = (q2dheader_t *)buffer;
3553 i = LittleLong(header->version);
3554 if (i != Q2BSPVERSION)
3555 Host_Error("Mod_Q2BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q2BSPVERSION);
3556 mod->brush.ishlbsp = false;
3557 if (loadmodel->isworldmodel)
3558 Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
3560 mod_base = (qbyte *)header;
3562 // swap all the lumps
3563 for (i = 0;i < (int) sizeof(*header) / 4;i++)
3564 ((int *)header)[i] = LittleLong(((int *)header)[i]);
3566 // store which lightmap format to use
3567 mod->brushq1.lightmaprgba = r_lightmaprgba.integer;
3569 Mod_Q2BSP_LoadEntities(&header->lumps[Q2LUMP_ENTITIES]);
3570 Mod_Q2BSP_LoadPlanes(&header->lumps[Q2LUMP_PLANES]);
3571 Mod_Q2BSP_LoadVertices(&header->lumps[Q2LUMP_VERTEXES]);
3572 Mod_Q2BSP_LoadVisibility(&header->lumps[Q2LUMP_VISIBILITY]);
3573 Mod_Q2BSP_LoadNodes(&header->lumps[Q2LUMP_NODES]);
3574 Mod_Q2BSP_LoadTexInfo(&header->lumps[Q2LUMP_TEXINFO]);
3575 Mod_Q2BSP_LoadFaces(&header->lumps[Q2LUMP_FACES]);
3576 Mod_Q2BSP_LoadLighting(&header->lumps[Q2LUMP_LIGHTING]);
3577 Mod_Q2BSP_LoadLeafs(&header->lumps[Q2LUMP_LEAFS]);
3578 Mod_Q2BSP_LoadLeafFaces(&header->lumps[Q2LUMP_LEAFFACES]);
3579 Mod_Q2BSP_LoadLeafBrushes(&header->lumps[Q2LUMP_LEAFBRUSHES]);
3580 Mod_Q2BSP_LoadEdges(&header->lumps[Q2LUMP_EDGES]);
3581 Mod_Q2BSP_LoadSurfEdges(&header->lumps[Q2LUMP_SURFEDGES]);
3582 Mod_Q2BSP_LoadBrushes(&header->lumps[Q2LUMP_BRUSHES]);
3583 Mod_Q2BSP_LoadBrushSides(&header->lumps[Q2LUMP_BRUSHSIDES]);
3584 Mod_Q2BSP_LoadAreas(&header->lumps[Q2LUMP_AREAS]);
3585 Mod_Q2BSP_LoadAreaPortals(&header->lumps[Q2LUMP_AREAPORTALS]);
3586 // LordHavoc: must go last because this makes the submodels
3587 Mod_Q2BSP_LoadModels(&header->lumps[Q2LUMP_MODELS]);
3590 static int Mod_Q3BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents);
3591 static int Mod_Q3BSP_NativeContentsFromSuperContents(model_t *model, int supercontents);
3593 static void Mod_Q3BSP_LoadEntities(lump_t *l)
3596 char key[128], value[4096];
3598 loadmodel->brushq3.num_lightgrid_cellsize[0] = 64;
3599 loadmodel->brushq3.num_lightgrid_cellsize[1] = 64;
3600 loadmodel->brushq3.num_lightgrid_cellsize[2] = 128;
3603 loadmodel->brush.entities = Mem_Alloc(loadmodel->mempool, l->filelen);
3604 memcpy(loadmodel->brush.entities, mod_base + l->fileofs, l->filelen);
3605 data = loadmodel->brush.entities;
3606 // some Q3 maps override the lightgrid_cellsize with a worldspawn key
3607 if (data && COM_ParseToken(&data, false) && com_token[0] == '{')
3611 if (!COM_ParseToken(&data, false))
3613 if (com_token[0] == '}')
3614 break; // end of worldspawn
3615 if (com_token[0] == '_')
3616 strcpy(key, com_token + 1);
3618 strcpy(key, com_token);
3619 while (key[strlen(key)-1] == ' ') // remove trailing spaces
3620 key[strlen(key)-1] = 0;
3621 if (!COM_ParseToken(&data, false))
3623 strcpy(value, com_token);
3624 if (!strcmp("gridsize", key))
3626 if (sscanf(value, "%f %f %f", &v[0], &v[1], &v[2]) == 3 && v[0] != 0 && v[1] != 0 && v[2] != 0)
3627 VectorCopy(v, loadmodel->brushq3.num_lightgrid_cellsize);
3633 static void Mod_Q3BSP_LoadTextures(lump_t *l)
3642 int flags, flags2, numparameters, passnumber;
3643 char shadername[Q3PATHLENGTH];
3644 char sky[Q3PATHLENGTH];
3645 char firstpasstexturename[Q3PATHLENGTH];
3646 char parameter[4][Q3PATHLENGTH];
3648 in = (void *)(mod_base + l->fileofs);
3649 if (l->filelen % sizeof(*in))
3650 Host_Error("Mod_Q3BSP_LoadTextures: funny lump size in %s",loadmodel->name);
3651 count = l->filelen / sizeof(*in);
3652 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3654 loadmodel->brush.data_textures = out;
3655 loadmodel->brush.num_textures = count;
3657 for (i = 0;i < count;i++, in++, out++)
3659 strlcpy (out->name, in->name, sizeof (out->name));
3660 out->surfaceflags = LittleLong(in->surfaceflags);
3661 out->supercontents = Mod_Q3BSP_SuperContentsFromNativeContents(loadmodel, LittleLong(in->contents));
3662 out->surfaceparms = -1;
3665 // do a quick parse of shader files to get surfaceparms
3666 if ((search = FS_Search("scripts/*.shader", true, false)))
3668 for (i = 0;i < search->numfilenames;i++)
3670 if ((f = FS_LoadFile(search->filenames[i], tempmempool, false)))
3673 while (COM_ParseToken(&text, false))
3675 strlcpy (shadername, com_token, sizeof (shadername));
3680 firstpasstexturename[0] = 0;
3681 if (COM_ParseToken(&text, false) && !strcasecmp(com_token, "{"))
3683 while (COM_ParseToken(&text, false))
3685 if (!strcasecmp(com_token, "}"))
3687 else if (!strcasecmp(com_token, "{"))
3689 while (COM_ParseToken(&text, false))
3691 if (!strcasecmp(com_token, "}"))
3693 if (!strcasecmp(com_token, "\n"))
3696 for (j = 0;strcasecmp(com_token, "\n") && strcasecmp(com_token, "}");j++)
3700 strlcpy(parameter[j], com_token, sizeof(parameter[j]));
3701 numparameters = j + 1;
3703 if (!COM_ParseToken(&text, true))
3706 if (developer.integer >= 2)
3708 Con_Printf("%s %i: ", shadername, passnumber);
3709 for (j = 0;j < numparameters;j++)
3710 Con_Printf(" %s", parameter[j]);
3713 if (passnumber == 0 && numparameters >= 1 && (flags & Q3SURFACEPARM_TRANS))
3715 if (!strcasecmp(parameter[0], "blendfunc"))
3717 if (numparameters == 2 && !strcasecmp(parameter[1], "add"))
3718 flags2 |= Q3TEXTUREFLAG_ADDITIVE;
3719 else if (numparameters == 3 && !strcasecmp(parameter[1], "gl_one") && !strcasecmp(parameter[2], "gl_one"))
3720 flags2 |= Q3TEXTUREFLAG_ADDITIVE;
3721 else if (numparameters == 3 && !strcasecmp(parameter[1], "gl_src_alpha") && !strcasecmp(parameter[2], "gl_one"))
3722 flags2 |= Q3TEXTUREFLAG_ADDITIVE;
3724 else if (numparameters >= 2 && (!strcasecmp(parameter[0], "map") || !strcasecmp(parameter[0], "clampmap")))
3725 strlcpy(firstpasstexturename, parameter[1], sizeof(firstpasstexturename));
3726 else if (numparameters >= 3 && !strcasecmp(parameter[0], "animmap"))
3727 strlcpy(firstpasstexturename, parameter[2], sizeof(firstpasstexturename));
3728 else if (numparameters >= 2 && !strcasecmp(parameter[0], "alphafunc"))
3729 flags2 |= Q3TEXTUREFLAG_ALPHATEST;
3731 // break out a level if it was }
3732 if (!strcasecmp(com_token, "}"))
3739 for (j = 0;strcasecmp(com_token, "\n") && strcasecmp(com_token, "}");j++)
3743 strlcpy(parameter[j], com_token, sizeof(parameter[j]));
3744 numparameters = j + 1;
3746 if (!COM_ParseToken(&text, true))
3749 if (i == 0 && !strcasecmp(com_token, "}"))
3751 if (developer.integer >= 2)
3753 Con_Printf("%s: ", shadername);
3754 for (j = 0;j < numparameters;j++)
3755 Con_Printf(" %s", parameter[j]);
3758 if (numparameters < 1)
3760 if (!strcasecmp(parameter[0], "surfaceparm") && numparameters >= 2)
3762 if (!strcasecmp(parameter[1], "alphashadow"))
3763 flags |= Q3SURFACEPARM_ALPHASHADOW;
3764 else if (!strcasecmp(parameter[1], "areaportal"))
3765 flags |= Q3SURFACEPARM_AREAPORTAL;
3766 else if (!strcasecmp(parameter[1], "clusterportal"))
3767 flags |= Q3SURFACEPARM_CLUSTERPORTAL;
3768 else if (!strcasecmp(parameter[1], "detail"))
3769 flags |= Q3SURFACEPARM_DETAIL;
3770 else if (!strcasecmp(parameter[1], "donotenter"))
3771 flags |= Q3SURFACEPARM_DONOTENTER;
3772 else if (!strcasecmp(parameter[1], "fog"))
3773 flags |= Q3SURFACEPARM_FOG;
3774 else if (!strcasecmp(parameter[1], "lava"))
3775 flags |= Q3SURFACEPARM_LAVA;
3776 else if (!strcasecmp(parameter[1], "lightfilter"))
3777 flags |= Q3SURFACEPARM_LIGHTFILTER;
3778 else if (!strcasecmp(parameter[1], "metalsteps"))
3779 flags |= Q3SURFACEPARM_METALSTEPS;
3780 else if (!strcasecmp(parameter[1], "nodamage"))
3781 flags |= Q3SURFACEPARM_NODAMAGE;
3782 else if (!strcasecmp(parameter[1], "nodlight"))
3783 flags |= Q3SURFACEPARM_NODLIGHT;
3784 else if (!strcasecmp(parameter[1], "nodraw"))
3785 flags |= Q3SURFACEPARM_NODRAW;
3786 else if (!strcasecmp(parameter[1], "nodrop"))
3787 flags |= Q3SURFACEPARM_NODROP;
3788 else if (!strcasecmp(parameter[1], "noimpact"))
3789 flags |= Q3SURFACEPARM_NOIMPACT;
3790 else if (!strcasecmp(parameter[1], "nolightmap"))
3791 flags |= Q3SURFACEPARM_NOLIGHTMAP;
3792 else if (!strcasecmp(parameter[1], "nomarks"))
3793 flags |= Q3SURFACEPARM_NOMARKS;
3794 else if (!strcasecmp(parameter[1], "nomipmaps"))
3795 flags |= Q3SURFACEPARM_NOMIPMAPS;
3796 else if (!strcasecmp(parameter[1], "nonsolid"))
3797 flags |= Q3SURFACEPARM_NONSOLID;
3798 else if (!strcasecmp(parameter[1], "origin"))
3799 flags |= Q3SURFACEPARM_ORIGIN;
3800 else if (!strcasecmp(parameter[1], "playerclip"))
3801 flags |= Q3SURFACEPARM_PLAYERCLIP;
3802 else if (!strcasecmp(parameter[1], "sky"))
3803 flags |= Q3SURFACEPARM_SKY;
3804 else if (!strcasecmp(parameter[1], "slick"))
3805 flags |= Q3SURFACEPARM_SLICK;
3806 else if (!strcasecmp(parameter[1], "slime"))
3807 flags |= Q3SURFACEPARM_SLIME;
3808 else if (!strcasecmp(parameter[1], "structural"))
3809 flags |= Q3SURFACEPARM_STRUCTURAL;
3810 else if (!strcasecmp(parameter[1], "trans"))
3811 flags |= Q3SURFACEPARM_TRANS;
3812 else if (!strcasecmp(parameter[1], "water"))
3813 flags |= Q3SURFACEPARM_WATER;
3814 else if (!strcasecmp(parameter[1], "pointlight"))
3815 flags |= Q3SURFACEPARM_POINTLIGHT;
3817 Con_Printf("%s parsing warning: unknown surfaceparm \"%s\"\n", search->filenames[i], parameter[1]);
3819 else if (!strcasecmp(parameter[0], "sky") && numparameters >= 2)
3820 strlcpy(sky, parameter[1], sizeof(sky));
3821 else if (!strcasecmp(parameter[0], "skyparms") && numparameters >= 2)
3823 if (!atoi(parameter[1]) && strcasecmp(parameter[1], "-"))
3824 strlcpy(sky, parameter[1], sizeof(sky));
3826 else if (!strcasecmp(parameter[0], "cull") && numparameters >= 2)
3828 if (!strcasecmp(parameter[1], "disable") || !strcasecmp(parameter[1], "none") || !strcasecmp(parameter[1], "twosided"))
3829 flags2 |= Q3TEXTUREFLAG_TWOSIDED;
3831 else if (!strcasecmp(parameter[0], "nomipmaps"))
3832 flags2 |= Q3TEXTUREFLAG_NOMIPMAPS;
3833 else if (!strcasecmp(parameter[0], "nopicmip"))
3834 flags2 |= Q3TEXTUREFLAG_NOPICMIP;
3835 else if (!strcasecmp(parameter[0], "deformvertexes") && numparameters >= 2)
3837 if (!strcasecmp(parameter[1], "autosprite") && numparameters == 2)
3838 flags2 |= Q3TEXTUREFLAG_AUTOSPRITE;
3839 if (!strcasecmp(parameter[1], "autosprite2") && numparameters == 2)
3840 flags2 |= Q3TEXTUREFLAG_AUTOSPRITE2;
3843 // add shader to list (shadername and flags)
3844 // actually here we just poke into the texture settings
3845 for (j = 0, out = loadmodel->brush.data_textures;j < loadmodel->brush.num_textures;j++, out++)
3847 if (!strcasecmp(out->name, shadername))
3849 out->surfaceparms = flags;
3850 out->textureflags = flags2;
3851 out->basematerialflags = 0;
3852 if (out->surfaceparms & Q3SURFACEPARM_NODRAW)
3853 out->basematerialflags |= MATERIALFLAG_NODRAW;
3854 else if (out->surfaceparms & Q3SURFACEPARM_SKY)
3855 out->basematerialflags |= MATERIALFLAG_SKY;
3856 else if (out->surfaceparms & Q3SURFACEPARM_LAVA)
3857 out->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_FULLBRIGHT;
3858 else if (out->surfaceparms & Q3SURFACEPARM_SLIME)
3859 out->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_WATERALPHA;
3860 else if (out->surfaceparms & Q3SURFACEPARM_WATER)
3861 out->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_WATERALPHA;
3863 out->basematerialflags |= MATERIALFLAG_WALL;
3864 if (out->surfaceparms & Q3SURFACEPARM_TRANS)
3866 if (out->textureflags & Q3TEXTUREFLAG_ADDITIVE)
3867 out->basematerialflags |= MATERIALFLAG_ADD | MATERIALFLAG_TRANSPARENT;
3869 out->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_TRANSPARENT;
3871 strlcpy(out->firstpasstexturename, firstpasstexturename, sizeof(out->firstpasstexturename));
3872 if ((flags & Q3SURFACEPARM_SKY) && sky[0])
3874 // quake3 seems to append a _ to the skybox name, so this must do so as well
3875 dpsnprintf(loadmodel->brush.skybox, sizeof(loadmodel->brush.skybox), "%s_", sky);
3882 Con_Printf("%s parsing error - expected \"{\", found \"%s\"\n", search->filenames[i], com_token);
3893 for (j = 0, out = loadmodel->brush.data_textures;j < loadmodel->brush.num_textures;j++, out++)
3895 if (out->surfaceparms == -1)
3898 Con_DPrintf("%s: No shader found for texture \"%s\"\n", loadmodel->name, out->name);
3899 out->surfaceparms = 0;
3900 if (out->surfaceflags & Q3SURFACEFLAG_NODRAW)
3901 out->basematerialflags |= MATERIALFLAG_NODRAW;
3902 else if (out->surfaceflags & Q3SURFACEFLAG_SKY)
3903 out->basematerialflags |= MATERIALFLAG_SKY;
3905 out->basematerialflags |= MATERIALFLAG_WALL;
3906 // these are defaults
3907 //if (!strncmp(out->name, "textures/skies/", 15))
3908 // out->surfaceparms |= Q3SURFACEPARM_SKY;
3909 //if (!strcmp(out->name, "caulk") || !strcmp(out->name, "common/caulk") || !strcmp(out->name, "textures/common/caulk")
3910 // || !strcmp(out->name, "nodraw") || !strcmp(out->name, "common/nodraw") || !strcmp(out->name, "textures/common/nodraw"))
3911 // out->surfaceparms |= Q3SURFACEPARM_NODRAW;
3912 //if (R_TextureHasAlpha(out->skin.base))
3913 // out->surfaceparms |= Q3SURFACEPARM_TRANS;
3915 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))
3916 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))
3917 if (cls.state != ca_dedicated)
3918 Con_Printf("%s: texture loading for shader \"%s\" failed (first layer \"%s\" not found either)\n", loadmodel->name, out->name, out->firstpasstexturename);
3920 out->currentframe = out;
3923 Con_DPrintf("%s: %i textures missing shaders\n", loadmodel->name, c);
3926 static void Mod_Q3BSP_LoadPlanes(lump_t *l)
3932 in = (void *)(mod_base + l->fileofs);
3933 if (l->filelen % sizeof(*in))
3934 Host_Error("Mod_Q3BSP_LoadPlanes: funny lump size in %s",loadmodel->name);
3935 count = l->filelen / sizeof(*in);
3936 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3938 loadmodel->brush.data_planes = out;
3939 loadmodel->brush.num_planes = count;
3941 for (i = 0;i < count;i++, in++, out++)
3943 out->normal[0] = LittleLong(in->normal[0]);
3944 out->normal[1] = LittleLong(in->normal[1]);
3945 out->normal[2] = LittleLong(in->normal[2]);
3946 out->dist = LittleLong(in->dist);
3951 static void Mod_Q3BSP_LoadBrushSides(lump_t *l)
3954 q3mbrushside_t *out;
3957 in = (void *)(mod_base + l->fileofs);
3958 if (l->filelen % sizeof(*in))
3959 Host_Error("Mod_Q3BSP_LoadBrushSides: funny lump size in %s",loadmodel->name);
3960 count = l->filelen / sizeof(*in);
3961 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3963 loadmodel->brush.data_brushsides = out;
3964 loadmodel->brush.num_brushsides = count;
3966 for (i = 0;i < count;i++, in++, out++)
3968 n = LittleLong(in->planeindex);
3969 if (n < 0 || n >= loadmodel->brush.num_planes)
3970 Host_Error("Mod_Q3BSP_LoadBrushSides: invalid planeindex %i (%i planes)\n", n, loadmodel->brush.num_planes);
3971 out->plane = loadmodel->brush.data_planes + n;
3972 n = LittleLong(in->textureindex);
3973 if (n < 0 || n >= loadmodel->brush.num_textures)
3974 Host_Error("Mod_Q3BSP_LoadBrushSides: invalid textureindex %i (%i textures)\n", n, loadmodel->brush.num_textures);
3975 out->texture = loadmodel->brush.data_textures + n;
3979 static void Mod_Q3BSP_LoadBrushes(lump_t *l)
3983 int i, j, n, c, count, maxplanes;
3986 in = (void *)(mod_base + l->fileofs);
3987 if (l->filelen % sizeof(*in))
3988 Host_Error("Mod_Q3BSP_LoadBrushes: funny lump size in %s",loadmodel->name);
3989 count = l->filelen / sizeof(*in);
3990 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3992 loadmodel->brush.data_brushes = out;
3993 loadmodel->brush.num_brushes = count;
3998 for (i = 0;i < count;i++, in++, out++)
4000 n = LittleLong(in->firstbrushside);
4001 c = LittleLong(in->numbrushsides);
4002 if (n < 0 || n + c > loadmodel->brush.num_brushsides)
4003 Host_Error("Mod_Q3BSP_LoadBrushes: invalid brushside range %i : %i (%i brushsides)\n", n, n + c, loadmodel->brush.num_brushsides);
4004 out->firstbrushside = loadmodel->brush.data_brushsides + n;
4005 out->numbrushsides = c;
4006 n = LittleLong(in->textureindex);
4007 if (n < 0 || n >= loadmodel->brush.num_textures)
4008 Host_Error("Mod_Q3BSP_LoadBrushes: invalid textureindex %i (%i textures)\n", n, loadmodel->brush.num_textures);
4009 out->texture = loadmodel->brush.data_textures + n;
4011 // make a list of mplane_t structs to construct a colbrush from
4012 if (maxplanes < out->numbrushsides)
4014 maxplanes = out->numbrushsides;
4017 planes = Mem_Alloc(tempmempool, sizeof(mplane_t) * maxplanes);
4019 for (j = 0;j < out->numbrushsides;j++)
4021 VectorCopy(out->firstbrushside[j].plane->normal, planes[j].normal);
4022 planes[j].dist = out->firstbrushside[j].plane->dist;
4024 // make the colbrush from the planes
4025 out->colbrushf = Collision_NewBrushFromPlanes(loadmodel->mempool, out->numbrushsides, planes, out->texture->supercontents);
4031 static void Mod_Q3BSP_LoadEffects(lump_t *l)
4037 in = (void *)(mod_base + l->fileofs);
4038 if (l->filelen % sizeof(*in))
4039 Host_Error("Mod_Q3BSP_LoadEffects: funny lump size in %s",loadmodel->name);
4040 count = l->filelen / sizeof(*in);
4041 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4043 loadmodel->brushq3.data_effects = out;
4044 loadmodel->brushq3.num_effects = count;
4046 for (i = 0;i < count;i++, in++, out++)
4048 strlcpy (out->shadername, in->shadername, sizeof (out->shadername));
4049 n = LittleLong(in->brushindex);
4050 if (n < 0 || n >= loadmodel->brush.num_brushes)
4051 Host_Error("Mod_Q3BSP_LoadEffects: invalid brushindex %i (%i brushes)\n", n, loadmodel->brush.num_brushes);
4052 out->brushindex = n;
4053 out->unknown = LittleLong(in->unknown);
4057 static void Mod_Q3BSP_LoadVertices(lump_t *l)
4062 in = (void *)(mod_base + l->fileofs);
4063 if (l->filelen % sizeof(*in))
4064 Host_Error("Mod_Q3BSP_LoadVertices: funny lump size in %s",loadmodel->name);
4065 loadmodel->brushq3.num_vertices = count = l->filelen / sizeof(*in);
4066 loadmodel->brushq3.data_vertex3f = Mem_Alloc(loadmodel->mempool, count * (sizeof(float) * (3 + 2 + 2 + 4)));
4067 loadmodel->brushq3.data_texcoordtexture2f = loadmodel->brushq3.data_vertex3f + count * 3;
4068 loadmodel->brushq3.data_texcoordlightmap2f = loadmodel->brushq3.data_texcoordtexture2f + count * 2;
4069 loadmodel->brushq3.data_color4f = loadmodel->brushq3.data_texcoordlightmap2f + count * 2;
4071 for (i = 0;i < count;i++, in++)
4073 loadmodel->brushq3.data_vertex3f[i * 3 + 0] = LittleFloat(in->origin3f[0]);
4074 loadmodel->brushq3.data_vertex3f[i * 3 + 1] = LittleFloat(in->origin3f[1]);
4075 loadmodel->brushq3.data_vertex3f[i * 3 + 2] = LittleFloat(in->origin3f[2]);
4076 loadmodel->brushq3.data_texcoordtexture2f[i * 2 + 0] = LittleFloat(in->texcoord2f[0]);
4077 loadmodel->brushq3.data_texcoordtexture2f[i * 2 + 1] = LittleFloat(in->texcoord2f[1]);
4078 loadmodel->brushq3.data_texcoordlightmap2f[i * 2 + 0] = LittleFloat(in->lightmap2f[0]);
4079 loadmodel->brushq3.data_texcoordlightmap2f[i * 2 + 1] = LittleFloat(in->lightmap2f[1]);
4080 // svector/tvector are calculated later in face loading
4081 loadmodel->brushq3.data_color4f[i * 4 + 0] = in->color4ub[0] * (1.0f / 255.0f);
4082 loadmodel->brushq3.data_color4f[i * 4 + 1] = in->color4ub[1] * (1.0f / 255.0f);
4083 loadmodel->brushq3.data_color4f[i * 4 + 2] = in->color4ub[2] * (1.0f / 255.0f);
4084 loadmodel->brushq3.data_color4f[i * 4 + 3] = in->color4ub[3] * (1.0f / 255.0f);
4088 static void Mod_Q3BSP_LoadTriangles(lump_t *l)
4094 in = (void *)(mod_base + l->fileofs);
4095 if (l->filelen % sizeof(int[3]))
4096 Host_Error("Mod_Q3BSP_LoadTriangles: funny lump size in %s",loadmodel->name);
4097 count = l->filelen / sizeof(*in);
4098 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4100 loadmodel->brushq3.num_triangles = count / 3;
4101 loadmodel->brushq3.data_element3i = out;
4103 for (i = 0;i < count;i++, in++, out++)
4105 *out = LittleLong(*in);
4106 if (*out < 0 || *out >= loadmodel->brushq3.num_vertices)
4108 Con_Printf("Mod_Q3BSP_LoadTriangles: invalid vertexindex %i (%i vertices), setting to 0\n", *out, loadmodel->brushq3.num_vertices);
4114 static void Mod_Q3BSP_LoadLightmaps(lump_t *l)
4122 in = (void *)(mod_base + l->fileofs);
4123 if (l->filelen % sizeof(*in))
4124 Host_Error("Mod_Q3BSP_LoadLightmaps: funny lump size in %s",loadmodel->name);
4125 count = l->filelen / sizeof(*in);
4126 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4128 loadmodel->brushq3.data_lightmaps = out;
4129 loadmodel->brushq3.num_lightmaps = count;
4131 for (i = 0;i < count;i++, in++, out++)
4132 *out = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%04i", i), 128, 128, in->rgb, TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
4135 static void Mod_Q3BSP_LoadFaces(lump_t *l)
4137 q3dface_t *in, *oldin;
4138 msurface_t *out, *oldout;
4139 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;
4140 //int *originalelement3i;
4141 //int *originalneighbor3i;
4142 float *originalvertex3f;
4143 //float *originalsvector3f;
4144 //float *originaltvector3f;
4145 //float *originalnormal3f;
4146 float *originalcolor4f;
4147 float *originaltexcoordtexture2f;
4148 float *originaltexcoordlightmap2f;
4150 surfmesh_t *mesh, *tempmeshlist[1024];
4152 in = (void *)(mod_base + l->fileofs);
4153 if (l->filelen % sizeof(*in))
4154 Host_Error("Mod_Q3BSP_LoadFaces: funny lump size in %s",loadmodel->name);
4155 count = l->filelen / sizeof(*in);
4156 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4158 loadmodel->brush.data_surfaces = out;
4159 loadmodel->brush.num_surfaces = count;
4162 for (meshnum = 0;i < count;meshnum++)
4169 for (;i < count;i++, in++, out++)
4171 // check face type first
4172 type = LittleLong(in->type);
4173 if (type != Q3FACETYPE_POLYGON
4174 && type != Q3FACETYPE_PATCH
4175 && type != Q3FACETYPE_MESH
4176 && type != Q3FACETYPE_FLARE)
4178 Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i: unknown face type %i\n", i, type);
4182 n = LittleLong(in->textureindex);
4183 if (n < 0 || n >= loadmodel->brush.num_textures)
4185 Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i: invalid textureindex %i (%i textures)\n", i, n, loadmodel->brush.num_textures);
4188 out->texture = loadmodel->brush.data_textures + n;
4189 n = LittleLong(in->effectindex);
4190 if (n < -1 || n >= loadmodel->brushq3.num_effects)
4192 if (developer.integer >= 2)
4193 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid effectindex %i (%i effects)\n", i, out->texture->name, n, loadmodel->brushq3.num_effects);
4199 out->effect = loadmodel->brushq3.data_effects + n;
4200 n = LittleLong(in->lightmapindex);
4201 if (n >= loadmodel->brushq3.num_lightmaps)
4203 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid lightmapindex %i (%i lightmaps)\n", i, out->texture->name, n, loadmodel->brushq3.num_lightmaps);
4209 out->lightmaptexture = NULL;
4211 out->lightmaptexture = loadmodel->brushq3.data_lightmaps[n];
4213 firstvertex = LittleLong(in->firstvertex);
4214 numvertices = LittleLong(in->numvertices);
4215 firstelement = LittleLong(in->firstelement);
4216 numtriangles = LittleLong(in->numelements) / 3;
4217 if (numtriangles * 3 != LittleLong(in->numelements))
4219 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));
4222 if (firstvertex < 0 || firstvertex + numvertices > loadmodel->brushq3.num_vertices)
4224 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);
4227 if (firstelement < 0 || firstelement + numtriangles * 3 > loadmodel->brushq3.num_triangles * 3)
4229 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);
4234 case Q3FACETYPE_POLYGON:
4235 case Q3FACETYPE_MESH:
4236 // no processing necessary
4238 case Q3FACETYPE_PATCH:
4239 patchsize[0] = LittleLong(in->specific.patch.patchsize[0]);
4240 patchsize[1] = LittleLong(in->specific.patch.patchsize[1]);
4241 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))
4243 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid patchsize %ix%i\n", i, out->texture->name, patchsize[0], patchsize[1]);
4246 originalvertex3f = loadmodel->brushq3.data_vertex3f + firstvertex * 3;
4247 // convert patch to Q3FACETYPE_MESH
4248 xtess = Q3PatchTesselationOnX(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4249 ytess = Q3PatchTesselationOnY(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4250 // bound to user settings
4251 xtess = bound(r_subdivisions_mintess.integer, xtess, r_subdivisions_maxtess.integer);
4252 ytess = bound(r_subdivisions_mintess.integer, ytess, r_subdivisions_maxtess.integer);
4253 // bound to sanity settings
4254 xtess = bound(1, xtess, 1024);
4255 ytess = bound(1, ytess, 1024);
4256 // bound to user limit on vertices
4257 while ((xtess > 1 || ytess > 1) && (((patchsize[0] - 1) * xtess) + 1) * (((patchsize[1] - 1) * ytess) + 1) > min(r_subdivisions_maxvertices.integer, 262144))
4264 finalwidth = ((patchsize[0] - 1) * xtess) + 1;
4265 finalheight = ((patchsize[1] - 1) * ytess) + 1;
4266 numvertices = finalwidth * finalheight;
4267 numtriangles = (finalwidth - 1) * (finalheight - 1) * 2;
4269 case Q3FACETYPE_FLARE:
4270 if (developer.integer >= 2)
4271 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): Q3FACETYPE_FLARE not supported (yet)\n", i, out->texture->name);
4275 out->num_vertices = numvertices;
4276 out->num_triangles = numtriangles;
4277 if (meshvertices + out->num_vertices > 65536)
4279 meshvertices += out->num_vertices;
4280 meshtriangles += out->num_triangles;
4286 mesh = tempmeshlist[meshnum] = Mod_AllocSurfMesh(loadmodel->mempool, meshvertices, meshtriangles, false, false, true, false);
4289 for (;i < count && meshvertices + out->num_vertices <= mesh->num_vertices;i++, in++, out++)
4291 if (out->num_vertices < 3 || out->num_triangles < 1)
4294 type = LittleLong(in->type);
4295 firstvertex = LittleLong(in->firstvertex);
4296 firstelement = LittleLong(in->firstelement);
4297 out->groupmesh = mesh;
4298 out->num_firstvertex = meshvertices;
4299 out->num_firsttriangle = meshtriangles;
4302 case Q3FACETYPE_POLYGON:
4303 case Q3FACETYPE_MESH:
4304 // no processing necessary
4305 for (j = 0;j < out->num_vertices;j++)
4307 (out->groupmesh->data_vertex3f + 3 * out->num_firstvertex)[j * 3 + 0] = loadmodel->brushq3.data_vertex3f[(firstvertex + j) * 3 + 0];
4308 (out->groupmesh->data_vertex3f + 3 * out->num_firstvertex)[j * 3 + 1] = loadmodel->brushq3.data_vertex3f[(firstvertex + j) * 3 + 1];
4309 (out->groupmesh->data_vertex3f + 3 * out->num_firstvertex)[j * 3 + 2] = loadmodel->brushq3.data_vertex3f[(firstvertex + j) * 3 + 2];
4310 (out->groupmesh->data_texcoordtexture2f + 2 * out->num_firstvertex)[j * 2 + 0] = loadmodel->brushq3.data_texcoordtexture2f[(firstvertex + j) * 2 + 0];
4311 (out->groupmesh->data_texcoordtexture2f + 2 * out->num_firstvertex)[j * 2 + 1] = loadmodel->brushq3.data_texcoordtexture2f[(firstvertex + j) * 2 + 1];
4312 (out->groupmesh->data_texcoordlightmap2f + 2 * out->num_firstvertex)[j * 2 + 0] = loadmodel->brushq3.data_texcoordlightmap2f[(firstvertex + j) * 2 + 0];
4313 (out->groupmesh->data_texcoordlightmap2f + 2 * out->num_firstvertex)[j * 2 + 1] = loadmodel->brushq3.data_texcoordlightmap2f[(firstvertex + j) * 2 + 1];
4314 (out->groupmesh->data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 0] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 0];
4315 (out->groupmesh->data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 1] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 1];
4316 (out->groupmesh->data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 2] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 2];
4317 (out->groupmesh->data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 3] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 3];
4319 for (j = 0;j < out->num_triangles*3;j++)
4320 (out->groupmesh->data_element3i + 3 * out->num_firsttriangle)[j] = loadmodel->brushq3.data_element3i[firstelement + j] + out->num_firstvertex;
4322 case Q3FACETYPE_PATCH:
4323 patchsize[0] = LittleLong(in->specific.patch.patchsize[0]);
4324 patchsize[1] = LittleLong(in->specific.patch.patchsize[1]);
4325 originalvertex3f = loadmodel->brushq3.data_vertex3f + firstvertex * 3;
4326 originaltexcoordtexture2f = loadmodel->brushq3.data_texcoordtexture2f + firstvertex * 2;
4327 originaltexcoordlightmap2f = loadmodel->brushq3.data_texcoordlightmap2f + firstvertex * 2;
4328 originalcolor4f = loadmodel->brushq3.data_color4f + firstvertex * 4;
4329 // convert patch to Q3FACETYPE_MESH
4330 xtess = Q3PatchTesselationOnX(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4331 ytess = Q3PatchTesselationOnY(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4332 // bound to user settings
4333 xtess = bound(r_subdivisions_mintess.integer, xtess, r_subdivisions_maxtess.integer);
4334 ytess = bound(r_subdivisions_mintess.integer, ytess, r_subdivisions_maxtess.integer);
4335 // bound to sanity settings
4336 xtess = bound(1, xtess, 1024);
4337 ytess = bound(1, ytess, 1024);
4338 // bound to user limit on vertices
4339 while ((xtess > 1 || ytess > 1) && (((patchsize[0] - 1) * xtess) + 1) * (((patchsize[1] - 1) * ytess) + 1) > min(r_subdivisions_maxvertices.integer, 262144))
4346 finalwidth = ((patchsize[0] - 1) * xtess) + 1;
4347 finalheight = ((patchsize[1] - 1) * ytess) + 1;
4348 finalvertices = finalwidth * finalheight;
4349 finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2;
4350 type = Q3FACETYPE_MESH;
4351 // generate geometry
4352 // (note: normals are skipped because they get recalculated)
4353 Q3PatchTesselateFloat(3, sizeof(float[3]), (out->groupmesh->data_vertex3f + 3 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[3]), originalvertex3f, xtess, ytess);
4354 Q3PatchTesselateFloat(2, sizeof(float[2]), (out->groupmesh->data_texcoordtexture2f + 2 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[2]), originaltexcoordtexture2f, xtess, ytess);
4355 Q3PatchTesselateFloat(2, sizeof(float[2]), (out->groupmesh->data_texcoordlightmap2f + 2 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[2]), originaltexcoordlightmap2f, xtess, ytess);
4356 Q3PatchTesselateFloat(4, sizeof(float[4]), (out->groupmesh->data_lightmapcolor4f + 4 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[4]), originalcolor4f, xtess, ytess);
4357 Q3PatchTriangleElements((out->groupmesh->data_element3i + 3 * out->num_firsttriangle), finalwidth, finalheight, out->num_firstvertex);
4358 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);
4359 if (developer.integer >= 2)
4361 if (out->num_triangles < finaltriangles)
4362 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);
4364 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);
4366 // q3map does not put in collision brushes for curves... ugh
4367 // build the lower quality collision geometry
4368 xtess = Q3PatchTesselationOnX(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_collision_tolerance.value);
4369 ytess = Q3PatchTesselationOnY(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_collision_tolerance.value);
4370 // bound to user settings
4371 xtess = bound(r_subdivisions_collision_mintess.integer, xtess, r_subdivisions_collision_maxtess.integer);
4372 ytess = bound(r_subdivisions_collision_mintess.integer, ytess, r_subdivisions_collision_maxtess.integer);
4373 // bound to sanity settings
4374 xtess = bound(1, xtess, 1024);
4375 ytess = bound(1, ytess, 1024);
4376 // bound to user limit on vertices
4377 while ((xtess > 1 || ytess > 1) && (((patchsize[0] - 1) * xtess) + 1) * (((patchsize[1] - 1) * ytess) + 1) > min(r_subdivisions_collision_maxvertices.integer, 262144))
4384 finalwidth = ((patchsize[0] - 1) * xtess) + 1;
4385 finalheight = ((patchsize[1] - 1) * ytess) + 1;
4386 finalvertices = finalwidth * finalheight;
4387 finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2;
4389 out->data_collisionvertex3f = Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * finalvertices);
4390 out->data_collisionelement3i = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * finaltriangles);
4391 out->num_collisionvertices = finalvertices;
4392 out->num_collisiontriangles = finaltriangles;
4393 Q3PatchTesselateFloat(3, sizeof(float[3]), out->data_collisionvertex3f, patchsize[0], patchsize[1], sizeof(float[3]), originalvertex3f, xtess, ytess);
4394 Q3PatchTriangleElements(out->data_collisionelement3i, finalwidth, finalheight, 0);
4396 //Mod_SnapVertices(3, out->num_vertices, (out->groupmesh->data_vertex3f + 3 * out->num_firstvertex), 0.25);
4397 Mod_SnapVertices(3, out->num_collisionvertices, out->data_collisionvertex3f, 1);
4399 oldnumtriangles = out->num_triangles;
4400 oldnumtriangles2 = out->num_collisiontriangles;
4401 out->num_collisiontriangles = Mod_RemoveDegenerateTriangles(out->num_collisiontriangles, out->data_collisionelement3i, out->data_collisionelement3i, out->data_collisionvertex3f);
4402 if (developer.integer)
4403 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);
4408 meshvertices += out->num_vertices;
4409 meshtriangles += out->num_triangles;
4410 for (j = 0, invalidelements = 0;j < out->num_triangles * 3;j++)
4411 if ((out->groupmesh->data_element3i + 3 * out->num_firsttriangle)[j] < out->num_firstvertex || (out->groupmesh->data_element3i + 3 * out->num_firsttriangle)[j] >= out->num_firstvertex + out->num_vertices)
4413 if (invalidelements)
4415 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);
4416 for (j = 0;j < out->num_triangles * 3;j++)
4418 Con_Printf(" %i", (out->groupmesh->data_element3i + 3 * out->num_firsttriangle)[j] - out->num_firstvertex);
4419 if ((out->groupmesh->data_element3i + 3 * out->num_firsttriangle)[j] < out->num_firstvertex || (out->groupmesh->data_element3i + 3 * out->num_firsttriangle)[j] >= out->num_firstvertex + out->num_vertices)
4420 (out->groupmesh->data_element3i + 3 * out->num_firsttriangle)[j] = out->num_firstvertex;
4424 // for per pixel lighting
4425 Mod_BuildTextureVectorsAndNormals(out->num_firstvertex, out->num_vertices, out->num_triangles, out->groupmesh->data_vertex3f, out->groupmesh->data_texcoordtexture2f, (out->groupmesh->data_element3i + 3 * out->num_firsttriangle), out->groupmesh->data_svector3f, out->groupmesh->data_tvector3f, out->groupmesh->data_normal3f);
4426 // calculate a bounding box
4427 VectorClear(out->mins);
4428 VectorClear(out->maxs);
4429 if (out->num_vertices)
4431 VectorCopy((out->groupmesh->data_vertex3f + 3 * out->num_firstvertex), out->mins);
4432 VectorCopy((out->groupmesh->data_vertex3f + 3 * out->num_firstvertex), out->maxs);
4433 for (j = 1, v = (out->groupmesh->data_vertex3f + 3 * out->num_firstvertex) + 3;j < out->num_vertices;j++, v += 3)
4435 out->mins[0] = min(out->mins[0], v[0]);
4436 out->maxs[0] = max(out->maxs[0], v[0]);
4437 out->mins[1] = min(out->mins[1], v[1]);
4438 out->maxs[1] = max(out->maxs[1], v[1]);
4439 out->mins[2] = min(out->mins[2], v[2]);
4440 out->maxs[2] = max(out->maxs[2], v[2]);
4442 out->mins[0] -= 1.0f;
4443 out->mins[1] -= 1.0f;
4444 out->mins[2] -= 1.0f;
4445 out->maxs[0] += 1.0f;
4446 out->maxs[1] += 1.0f;
4447 out->maxs[2] += 1.0f;
4449 // set lightmap styles for consistency with q1bsp
4450 //out->lightmapinfo->styles[0] = 0;
4451 //out->lightmapinfo->styles[1] = 255;
4452 //out->lightmapinfo->styles[2] = 255;
4453 //out->lightmapinfo->styles[3] = 255;
4457 // now store the completed list of meshes
4458 loadmodel->nummeshes = meshnum;
4459 if (loadmodel->nummeshes)
4461 loadmodel->meshlist = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t *) * loadmodel->nummeshes);
4462 memcpy(loadmodel->meshlist, tempmeshlist, sizeof(surfmesh_t *) * loadmodel->nummeshes);
4465 // free the no longer needed vertex data
4466 loadmodel->brushq3.num_vertices = 0;
4467 Mem_Free(loadmodel->brushq3.data_vertex3f);
4468 loadmodel->brushq3.data_vertex3f = NULL;
4469 loadmodel->brushq3.data_texcoordtexture2f = NULL;
4470 loadmodel->brushq3.data_texcoordlightmap2f = NULL;
4471 loadmodel->brushq3.data_color4f = NULL;
4472 // free the no longer needed triangle data
4473 loadmodel->brushq3.num_triangles = 0;
4474 Mem_Free(loadmodel->brushq3.data_element3i);
4475 loadmodel->brushq3.data_element3i = NULL;
4478 static void Mod_Q3BSP_LoadModels(lump_t *l)
4482 int i, j, n, c, count;
4484 in = (void *)(mod_base + l->fileofs);
4485 if (l->filelen % sizeof(*in))
4486 Host_Error("Mod_Q3BSP_LoadModels: funny lump size in %s",loadmodel->name);
4487 count = l->filelen / sizeof(*in);
4488 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4490 loadmodel->brushq3.data_models = out;
4491 loadmodel->brushq3.num_models = count;
4493 for (i = 0;i < count;i++, in++, out++)
4495 for (j = 0;j < 3;j++)
4497 out->mins[j] = LittleFloat(in->mins[j]);
4498 out->maxs[j] = LittleFloat(in->maxs[j]);
4500 n = LittleLong(in->firstface);
4501 c = LittleLong(in->numfaces);
4502 if (n < 0 || n + c > loadmodel->brush.num_surfaces)
4503 Host_Error("Mod_Q3BSP_LoadModels: invalid face range %i : %i (%i faces)\n", n, n + c, loadmodel->brush.num_surfaces);
4506 n = LittleLong(in->firstbrush);
4507 c = LittleLong(in->numbrushes);
4508 if (n < 0 || n + c > loadmodel->brush.num_brushes)
4509 Host_Error("Mod_Q3BSP_LoadModels: invalid brush range %i : %i (%i brushes)\n", n, n + c, loadmodel->brush.num_brushes);
4510 out->firstbrush = n;
4511 out->numbrushes = c;
4515 static void Mod_Q3BSP_LoadLeafBrushes(lump_t *l)
4521 in = (void *)(mod_base + l->fileofs);
4522 if (l->filelen % sizeof(*in))
4523 Host_Error("Mod_Q3BSP_LoadLeafBrushes: funny lump size in %s",loadmodel->name);
4524 count = l->filelen / sizeof(*in);
4525 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4527 loadmodel->brush.data_leafbrushes = out;
4528 loadmodel->brush.num_leafbrushes = count;
4530 for (i = 0;i < count;i++, in++, out++)
4532 n = LittleLong(*in);
4533 if (n < 0 || n >= loadmodel->brush.num_brushes)
4534 Host_Error("Mod_Q3BSP_LoadLeafBrushes: invalid brush index %i (%i brushes)\n", n, loadmodel->brush.num_brushes);
4539 static void Mod_Q3BSP_LoadLeafFaces(lump_t *l)
4545 in = (void *)(mod_base + l->fileofs);
4546 if (l->filelen % sizeof(*in))
4547 Host_Error("Mod_Q3BSP_LoadLeafFaces: funny lump size in %s",loadmodel->name);
4548 count = l->filelen / sizeof(*in);
4549 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4551 loadmodel->brush.data_leafsurfaces = out;
4552 loadmodel->brush.num_leafsurfaces = count;
4554 for (i = 0;i < count;i++, in++, out++)
4556 n = LittleLong(*in);
4557 if (n < 0 || n >= loadmodel->brush.num_surfaces)
4558 Host_Error("Mod_Q3BSP_LoadLeafFaces: invalid face index %i (%i faces)\n", n, loadmodel->brush.num_surfaces);
4563 static void Mod_Q3BSP_LoadLeafs(lump_t *l)
4567 int i, j, n, c, count;
4569 in = (void *)(mod_base + l->fileofs);
4570 if (l->filelen % sizeof(*in))
4571 Host_Error("Mod_Q3BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
4572 count = l->filelen / sizeof(*in);
4573 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4575 loadmodel->brush.data_leafs = out;
4576 loadmodel->brush.num_leafs = count;
4578 for (i = 0;i < count;i++, in++, out++)
4582 out->clusterindex = LittleLong(in->clusterindex);
4583 out->areaindex = LittleLong(in->areaindex);
4584 for (j = 0;j < 3;j++)
4586 // yes the mins/maxs are ints
4587 out->mins[j] = LittleLong(in->mins[j]) - 1;
4588 out->maxs[j] = LittleLong(in->maxs[j]) + 1;
4590 n = LittleLong(in->firstleafface);
4591 c = LittleLong(in->numleaffaces);
4592 if (n < 0 || n + c > loadmodel->brush.num_leafsurfaces)
4593 Host_Error("Mod_Q3BSP_LoadLeafs: invalid leafsurface range %i : %i (%i leafsurfaces)\n", n, n + c, loadmodel->brush.num_leafsurfaces);
4594 out->firstleafsurface = loadmodel->brush.data_leafsurfaces + n;
4595 out->numleafsurfaces = c;
4596 n = LittleLong(in->firstleafbrush);
4597 c = LittleLong(in->numleafbrushes);
4598 if (n < 0 || n + c > loadmodel->brush.num_leafbrushes)
4599 Host_Error("Mod_Q3BSP_LoadLeafs: invalid leafbrush range %i : %i (%i leafbrushes)\n", n, n + c, loadmodel->brush.num_leafbrushes);
4600 out->firstleafbrush = loadmodel->brush.data_leafbrushes + n;
4601 out->numleafbrushes = c;
4605 static void Mod_Q3BSP_LoadNodes(lump_t *l)
4611 in = (void *)(mod_base + l->fileofs);
4612 if (l->filelen % sizeof(*in))
4613 Host_Error("Mod_Q3BSP_LoadNodes: funny lump size in %s",loadmodel->name);
4614 count = l->filelen / sizeof(*in);
4615 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4617 loadmodel->brush.data_nodes = out;
4618 loadmodel->brush.num_nodes = count;
4620 for (i = 0;i < count;i++, in++, out++)
4623 n = LittleLong(in->planeindex);
4624 if (n < 0 || n >= loadmodel->brush.num_planes)
4625 Host_Error("Mod_Q3BSP_LoadNodes: invalid planeindex %i (%i planes)\n", n, loadmodel->brush.num_planes);
4626 out->plane = loadmodel->brush.data_planes + n;
4627 for (j = 0;j < 2;j++)
4629 n = LittleLong(in->childrenindex[j]);
4632 if (n >= loadmodel->brush.num_nodes)
4633 Host_Error("Mod_Q3BSP_LoadNodes: invalid child node index %i (%i nodes)\n", n, loadmodel->brush.num_nodes);
4634 out->children[j] = loadmodel->brush.data_nodes + n;
4639 if (n >= loadmodel->brush.num_leafs)
4640 Host_Error("Mod_Q3BSP_LoadNodes: invalid child leaf index %i (%i leafs)\n", n, loadmodel->brush.num_leafs);
4641 out->children[j] = (mnode_t *)(loadmodel->brush.data_leafs + n);
4644 for (j = 0;j < 3;j++)
4646 // yes the mins/maxs are ints
4647 out->mins[j] = LittleLong(in->mins[j]) - 1;
4648 out->maxs[j] = LittleLong(in->maxs[j]) + 1;
4652 // set the parent pointers
4653 Mod_Q1BSP_LoadNodes_RecursiveSetParent(loadmodel->brush.data_nodes, NULL);
4656 static void Mod_Q3BSP_LoadLightGrid(lump_t *l)
4659 q3dlightgrid_t *out;
4662 in = (void *)(mod_base + l->fileofs);
4663 if (l->filelen % sizeof(*in))
4664 Host_Error("Mod_Q3BSP_LoadLightGrid: funny lump size in %s",loadmodel->name);
4665 loadmodel->brushq3.num_lightgrid_scale[0] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[0];
4666 loadmodel->brushq3.num_lightgrid_scale[1] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[1];
4667 loadmodel->brushq3.num_lightgrid_scale[2] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[2];
4668 loadmodel->brushq3.num_lightgrid_imins[0] = ceil(loadmodel->brushq3.data_models->mins[0] * loadmodel->brushq3.num_lightgrid_scale[0]);
4669 loadmodel->brushq3.num_lightgrid_imins[1] = ceil(loadmodel->brushq3.data_models->mins[1] * loadmodel->brushq3.num_lightgrid_scale[1]);
4670 loadmodel->brushq3.num_lightgrid_imins[2] = ceil(loadmodel->brushq3.data_models->mins[2] * loadmodel->brushq3.num_lightgrid_scale[2]);
4671 loadmodel->brushq3.num_lightgrid_imaxs[0] = floor(loadmodel->brushq3.data_models->maxs[0] * loadmodel->brushq3.num_lightgrid_scale[0]);
4672 loadmodel->brushq3.num_lightgrid_imaxs[1] = floor(loadmodel->brushq3.data_models->maxs[1] * loadmodel->brushq3.num_lightgrid_scale[1]);
4673 loadmodel->brushq3.num_lightgrid_imaxs[2] = floor(loadmodel->brushq3.data_models->maxs[2] * loadmodel->brushq3.num_lightgrid_scale[2]);
4674 loadmodel->brushq3.num_lightgrid_isize[0] = loadmodel->brushq3.num_lightgrid_imaxs[0] - loadmodel->brushq3.num_lightgrid_imins[0] + 1;
4675 loadmodel->brushq3.num_lightgrid_isize[1] = loadmodel->brushq3.num_lightgrid_imaxs[1] - loadmodel->brushq3.num_lightgrid_imins[1] + 1;
4676 loadmodel->brushq3.num_lightgrid_isize[2] = loadmodel->brushq3.num_lightgrid_imaxs[2] - loadmodel->brushq3.num_lightgrid_imins[2] + 1;
4677 count = loadmodel->brushq3.num_lightgrid_isize[0] * loadmodel->brushq3.num_lightgrid_isize[1] * loadmodel->brushq3.num_lightgrid_isize[2];
4680 if (l->filelen < count * (int)sizeof(*in))
4681 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]);
4682 if (l->filelen != count * (int)sizeof(*in))
4683 Con_Printf("Mod_Q3BSP_LoadLightGrid: Warning: calculated lightgrid size %i bytes does not match lump size %i\n", count * sizeof(*in), l->filelen);
4686 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4687 loadmodel->brushq3.data_lightgrid = out;
4688 loadmodel->brushq3.num_lightgrid = count;
4690 // no swapping or validation necessary
4692 memcpy(out, in, count * (int)sizeof(*out));
4695 // no data, fill with white
4697 for (i = 0;i < count;i++)
4699 out[i].ambientrgb[0] = 128;
4700 out[i].ambientrgb[1] = 128;
4701 out[i].ambientrgb[2] = 128;
4702 out[i].diffusergb[0] = 0;
4703 out[i].diffusergb[1] = 0;
4704 out[i].diffusergb[2] = 0;
4705 out[i].diffusepitch = 0;
4706 out[i].diffuseyaw = 0;
4710 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]);
4711 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]);
4714 static void Mod_Q3BSP_LoadPVS(lump_t *l)
4719 if (l->filelen == 0)
4722 // unvised maps often have cluster indices even without pvs, so check
4723 // leafs to find real number of clusters
4724 loadmodel->brush.num_pvsclusters = 1;
4725 for (i = 0;i < loadmodel->brush.num_leafs;i++)
4726 loadmodel->brush.num_pvsclusters = max(loadmodel->brush.num_pvsclusters, loadmodel->brush.data_leafs[i].clusterindex + 1);
4729 loadmodel->brush.num_pvsclusterbytes = (loadmodel->brush.num_pvsclusters + 7) / 8;
4730 totalchains = loadmodel->brush.num_pvsclusterbytes * loadmodel->brush.num_pvsclusters;
4731 loadmodel->brush.data_pvsclusters = Mem_Alloc(loadmodel->mempool, totalchains);
4732 memset(loadmodel->brush.data_pvsclusters, 0xFF, totalchains);
4736 in = (void *)(mod_base + l->fileofs);
4738 Host_Error("Mod_Q3BSP_LoadPVS: funny lump size in %s",loadmodel->name);
4740 loadmodel->brush.num_pvsclusters = LittleLong(in->numclusters);
4741 loadmodel->brush.num_pvsclusterbytes = LittleLong(in->chainlength);
4742 if (loadmodel->brush.num_pvsclusterbytes < ((loadmodel->brush.num_pvsclusters + 7) / 8))
4743 Host_Error("Mod_Q3BSP_LoadPVS: (chainlength = %i) < ((numclusters = %i) + 7) / 8\n", loadmodel->brush.num_pvsclusterbytes, loadmodel->brush.num_pvsclusters);
4744 totalchains = loadmodel->brush.num_pvsclusterbytes * loadmodel->brush.num_pvsclusters;
4745 if (l->filelen < totalchains + (int)sizeof(*in))
4746 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);
4748 loadmodel->brush.data_pvsclusters = Mem_Alloc(loadmodel->mempool, totalchains);
4749 memcpy(loadmodel->brush.data_pvsclusters, (qbyte *)(in + 1), totalchains);
4752 static void Mod_Q3BSP_LightPoint(model_t *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal)
4754 int i, j, k, index[3];
4755 float transformed[3], blend1, blend2, blend, yaw, pitch, sinpitch;
4756 q3dlightgrid_t *a, *s;
4757 // FIXME: write this
4758 if (!model->brushq3.num_lightgrid)
4760 ambientcolor[0] = 1;
4761 ambientcolor[1] = 1;
4762 ambientcolor[2] = 1;
4765 Matrix4x4_Transform(&model->brushq3.num_lightgrid_indexfromworld, p, transformed);
4766 //Matrix4x4_Print(&model->brushq3.num_lightgrid_indexfromworld);
4767 //Con_Printf("%f %f %f transformed %f %f %f clamped ", p[0], p[1], p[2], transformed[0], transformed[1], transformed[2]);
4768 transformed[0] = bound(0, transformed[0], model->brushq3.num_lightgrid_isize[0] - 1);
4769 transformed[1] = bound(0, transformed[1], model->brushq3.num_lightgrid_isize[1] - 1);
4770 transformed[2] = bound(0, transformed[2], model->brushq3.num_lightgrid_isize[2] - 1);
4771 index[0] = (int)floor(transformed[0]);
4772 index[1] = (int)floor(transformed[1]);
4773 index[2] = (int)floor(transformed[2]);
4774 //Con_Printf("%f %f %f index %i %i %i:\n", transformed[0], transformed[1], transformed[2], index[0], index[1], index[2]);
4775 // now lerp the values
4776 VectorClear(diffusenormal);
4777 a = &model->brushq3.data_lightgrid[(index[2] * model->brushq3.num_lightgrid_isize[1] + index[1]) * model->brushq3.num_lightgrid_isize[0] + index[0]];
4778 for (k = 0;k < 2;k++)
4780 blend1 = (k ? (transformed[2] - index[2]) : (1 - (transformed[2] - index[2])));
4781 if (blend1 < 0.001f || index[2] + k >= model->brushq3.num_lightgrid_isize[2])
4783 for (j = 0;j < 2;j++)
4785 blend2 = blend1 * (j ? (transformed[1] - index[1]) : (1 - (transformed[1] - index[1])));
4786 if (blend2 < 0.001f || index[1] + j >= model->brushq3.num_lightgrid_isize[1])
4788 for (i = 0;i < 2;i++)
4790 blend = blend2 * (i ? (transformed[0] - index[0]) : (1 - (transformed[0] - index[0])));
4791 if (blend < 0.001f || index[0] + i >= model->brushq3.num_lightgrid_isize[0])
4793 s = a + (k * model->brushq3.num_lightgrid_isize[1] + j) * model->brushq3.num_lightgrid_isize[0] + i;
4794 VectorMA(ambientcolor, blend * (1.0f / 128.0f), s->ambientrgb, ambientcolor);
4795 VectorMA(diffusecolor, blend * (1.0f / 128.0f), s->diffusergb, diffusecolor);
4796 pitch = s->diffusepitch * M_PI / 128;
4797 yaw = s->diffuseyaw * M_PI / 128;
4798 sinpitch = sin(pitch);
4799 diffusenormal[0] += blend * (cos(yaw) * sinpitch);
4800 diffusenormal[1] += blend * (sin(yaw) * sinpitch);
4801 diffusenormal[2] += blend * (cos(pitch));
4802 //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)));
4806 VectorNormalize(diffusenormal);
4807 //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]);
4810 static void Mod_Q3BSP_TracePoint_RecursiveBSPNode(trace_t *trace, model_t *model, mnode_t *node, const vec3_t point, int markframe)
4815 // find which leaf the point is in
4817 node = node->children[DotProduct(point, node->plane->normal) < node->plane->dist];
4818 // point trace the brushes
4819 leaf = (mleaf_t *)node;
4820 for (i = 0;i < leaf->numleafbrushes;i++)
4822 brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf;
4823 if (brush && brush->markframe != markframe && BoxesOverlap(point, point, brush->mins, brush->maxs))
4825 brush->markframe = markframe;
4826 Collision_TracePointBrushFloat(trace, point, brush);
4829 // can't do point traces on curves (they have no thickness)
4832 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)
4834 int i, startside, endside;
4835 float dist1, dist2, midfrac, mid[3], nodesegmentmins[3], nodesegmentmaxs[3];
4837 msurface_t *surface;
4839 if (startfrac > trace->realfraction)
4841 // note: all line fragments past first impact fraction are ignored
4842 if (VectorCompare(start, end))
4844 // find which leaf the point is in
4846 node = node->children[DotProduct(start, node->plane->normal) < node->plane->dist];
4850 // find which nodes the line is in and recurse for them
4853 // recurse down node sides
4854 dist1 = PlaneDiff(start, node->plane);
4855 dist2 = PlaneDiff(end, node->plane);
4856 startside = dist1 < 0;
4857 endside = dist2 < 0;
4858 if (startside == endside)
4860 // most of the time the line fragment is on one side of the plane
4861 node = node->children[startside];
4865 // line crosses node plane, split the line
4866 midfrac = dist1 / (dist1 - dist2);
4867 VectorLerp(start, midfrac, end, mid);
4868 // take the near side first
4869 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, node->children[startside], start, mid, startfrac, midfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
4870 if (midfrac <= trace->realfraction)
4871 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, node->children[endside], mid, end, midfrac, endfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
4877 nodesegmentmins[0] = min(start[0], end[0]);
4878 nodesegmentmins[1] = min(start[1], end[1]);
4879 nodesegmentmins[2] = min(start[2], end[2]);
4880 nodesegmentmaxs[0] = max(start[0], end[0]);
4881 nodesegmentmaxs[1] = max(start[1], end[1]);
4882 nodesegmentmaxs[2] = max(start[2], end[2]);
4883 // line trace the brushes
4884 leaf = (mleaf_t *)node;
4885 for (i = 0;i < leaf->numleafbrushes;i++)
4887 brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf;
4888 if (brush && brush->markframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, brush->mins, brush->maxs))
4890 brush->markframe = markframe;
4891 Collision_TraceLineBrushFloat(trace, linestart, lineend, brush, brush);
4892 if (startfrac > trace->realfraction)
4896 // can't do point traces on curves (they have no thickness)
4897 if (mod_q3bsp_curves_collisions.integer && !VectorCompare(start, end))
4899 // line trace the curves
4900 for (i = 0;i < leaf->numleafsurfaces;i++)
4902 surface = model->brush.data_surfaces + leaf->firstleafsurface[i];
4903 if (surface->num_collisiontriangles && surface->collisionmarkframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, surface->mins, surface->maxs))
4905 surface->collisionmarkframe = markframe;
4906 Collision_TraceLineTriangleMeshFloat(trace, linestart, lineend, surface->num_collisiontriangles, surface->data_collisionelement3i, surface->data_collisionvertex3f, surface->texture->supercontents, segmentmins, segmentmaxs);
4907 if (startfrac > trace->realfraction)
4914 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)
4918 float nodesegmentmins[3], nodesegmentmaxs[3];
4921 msurface_t *surface;
4923 // find which nodes the line is in and recurse for them
4926 // recurse down node sides
4927 int startside, endside;
4928 float dist1near, dist1far, dist2near, dist2far;
4929 BoxPlaneCornerDistances(thisbrush_start->mins, thisbrush_start->maxs, node->plane, &dist1near, &dist1far);
4930 BoxPlaneCornerDistances(thisbrush_end->mins, thisbrush_end->maxs, node->plane, &dist2near, &dist2far);
4931 startside = dist1near < 0;
4932 startside = dist1near < 0 ? (dist1far < 0 ? 1 : 2) : (dist1far < 0 ? 2 : 0);
4933 endside = dist2near < 0 ? (dist2far < 0 ? 1 : 2) : (dist2far < 0 ? 2 : 0);
4934 if (startside == 2 || endside == 2)
4936 // brushes cross plane
4937 // do not clip anything, just take both sides
4938 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
4939 node = node->children[1];
4946 node = node->children[0];
4951 //midf0 = dist1near / (dist1near - dist2near);
4952 //midf1 = dist1far / (dist1far - dist2far);
4953 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
4954 node = node->children[1];
4962 //midf0 = dist1near / (dist1near - dist2near);
4963 //midf1 = dist1far / (dist1far - dist2far);
4964 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
4965 node = node->children[1];
4970 node = node->children[1];
4975 if (dist1near < 0 && dist2near < 0 && dist1far < 0 && dist2far < 0){node = node->children[1];continue;}
4976 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;}
4977 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;}
4978 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;}
4979 if (dist1near < 0 && dist2near >= 0 && dist1far < 0 && dist2far < 0){node = node->children[1];continue;}
4980 if (dist1near < 0 && dist2near >= 0 && dist1far < 0 && dist2far >= 0){}
4981 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;}
4982 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;}
4983 if (dist1near >= 0 && dist2near < 0 && dist1far < 0 && dist2far < 0){node = node->children[1];continue;}
4984 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;}
4985 if (dist1near >= 0 && dist2near < 0 && dist1far >= 0 && dist2far < 0){}
4986 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;}
4987 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;}
4988 if (dist1near >= 0 && dist2near >= 0 && dist1far < 0 && dist2far >= 0){node = node->children[0];continue;}
4989 if (dist1near >= 0 && dist2near >= 0 && dist1far >= 0 && dist2far < 0){node = node->children[0];continue;}
4990 if (dist1near >= 0 && dist2near >= 0 && dist1far >= 0 && dist2far >= 0){node = node->children[0];continue;}
4992 if (dist2near < 0) // d1n<0 && d2n<0
4994 if (dist2near < 0) // d1n<0 && d2n<0
4996 if (dist2near < 0) // d1n<0 && d2n<0
4999 else // d1n<0 && d2n>0
5003 else // d1n<0 && d2n>0
5005 if (dist2near < 0) // d1n<0 && d2n<0
5008 else // d1n<0 && d2n>0
5013 else // d1n<0 && d2n>0
5019 if (dist2near < 0) // d1n>0 && d2n<0
5022 else // d1n>0 && d2n>0
5026 if (dist1near < 0 == dist1far < 0 == dist2near < 0 == dist2far < 0)
5028 node = node->children[startside];
5031 if (dist1near < dist2near)
5036 node = node->children[0];
5041 node = node->children[1];
5044 // dist1near < 0 && dist2far >= 0
5050 startside = dist1near < 0 ? (dist1far < 0 ? 1 : 2) : (dist1far < 0 ? 2 : 0);
5051 endside = dist2near < 0 ? (dist2far < 0 ? 1 : 2) : (dist2far < 0 ? 2 : 0);
5052 if (startside == 2 || endside == 2)
5054 // brushes cross plane
5055 // do not clip anything, just take both sides
5056 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
5057 node = node->children[1];
5059 else if (startside == endside)
5060 node = node->children[startside];
5061 else if (startside == 0) // endside = 1 (start infront, end behind)
5064 else // startside == 1 endside = 0 (start behind, end infront)
5070 node = node->children[startside];
5073 // start and end brush cross plane
5079 if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
5080 node = node->children[1];
5081 else if (dist1near < 0 && dist1far < 0 && dist2near >= 0 && dist2far >= 0)
5082 else if (dist1near >= 0 && dist1far >= 0 && dist2near < 0 && dist2far < 0)
5083 else if (dist1near >= 0 && dist1far >= 0 && dist2near >= 0 && dist2far >= 0)
5084 node = node->children[0];
5086 if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
5087 if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
5088 if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
5089 if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
5090 if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
5093 else if (dist1near >= 0 && dist1far >= 0)
5096 else // mixed (lying on plane)
5100 if (dist2near < 0 && dist2far < 0)
5104 node = node->children[1];
5106 if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
5107 node = node->children[0];
5108 else if (dist1near >= 0 && dist1far >= 0 && dist2near >= 0 && dist2far >= 0)
5109 node = node->children[1];
5113 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, node->children[startside], start, mid, startfrac, midfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
5114 node = node->children[1];
5116 sides = dist1near || dist1near < 0 | dist1far < 0 | dist2near < 0 | dist
5117 startside = dist1 < 0;
5118 endside = dist2 < 0;
5119 if (startside == endside)
5121 // most of the time the line fragment is on one side of the plane
5122 node = node->children[startside];
5126 // line crosses node plane, split the line
5127 midfrac = dist1 / (dist1 - dist2);
5128 VectorLerp(start, midfrac, end, mid);
5129 // take the near side first
5130 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, node->children[startside], start, mid, startfrac, midfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
5131 if (midfrac <= trace->fraction)
5132 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, node->children[endside], mid, end, midfrac, endfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
5140 nodesegmentmins[0] = max(segmentmins[0], node->mins[0]);
5141 nodesegmentmins[1] = max(segmentmins[1], node->mins[1]);
5142 nodesegmentmins[2] = max(segmentmins[2], node->mins[2]);
5143 nodesegmentmaxs[0] = min(segmentmaxs[0], node->maxs[0]);
5144 nodesegmentmaxs[1] = min(segmentmaxs[1], node->maxs[1]);
5145 nodesegmentmaxs[2] = min(segmentmaxs[2], node->maxs[2]);
5146 if (nodesegmentmins[0] > nodesegmentmaxs[0] || nodesegmentmins[1] > nodesegmentmaxs[1] || nodesegmentmins[2] > nodesegmentmaxs[2])
5150 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, model, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
5151 node = node->children[1];
5154 // FIXME: could be made faster by copying TraceLine code and making it use
5155 // box plane distances... (variant on the BoxOnPlaneSide code)
5158 nodesegmentmins[0] = max(segmentmins[0], node->mins[0]);
5159 nodesegmentmins[1] = max(segmentmins[1], node->mins[1]);
5160 nodesegmentmins[2] = max(segmentmins[2], node->mins[2]);
5161 nodesegmentmaxs[0] = min(segmentmaxs[0], node->maxs[0]);
5162 nodesegmentmaxs[1] = min(segmentmaxs[1], node->maxs[1]);
5163 nodesegmentmaxs[2] = min(segmentmaxs[2], node->maxs[2]);
5164 if (nodesegmentmins[0] > nodesegmentmaxs[0] || nodesegmentmins[1] > nodesegmentmaxs[1] || nodesegmentmins[2] > nodesegmentmaxs[2])
5168 if (mod_q3bsp_debugtracebrush.integer == 2)
5170 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
5171 node = node->children[1];
5174 else if (mod_q3bsp_debugtracebrush.integer == 1)
5176 // recurse down node sides
5177 sides = BoxOnPlaneSide(nodesegmentmins, nodesegmentmaxs, node->plane);
5180 // segment box crosses plane
5181 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
5182 node = node->children[1];
5185 // take whichever side the segment box is on
5186 node = node->children[sides - 1];
5191 // recurse down node sides
5192 sides = BoxOnPlaneSide(nodesegmentmins, nodesegmentmaxs, node->plane);
5195 // segment box crosses plane
5196 // now check start and end brush boxes to handle a lot of 'diagonal' cases more efficiently...
5197 sides = BoxOnPlaneSide(thisbrush_start->mins, thisbrush_start->maxs, node->plane) | BoxOnPlaneSide(thisbrush_end->mins, thisbrush_end->maxs, node->plane);
5200 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
5201 node = node->children[1];
5205 // take whichever side the segment box is on
5206 node = node->children[sides - 1];
5212 // FIXME: could be made faster by copying TraceLine code and making it use
5213 // box plane distances... (variant on the BoxOnPlaneSide code)
5216 nodesegmentmins[0] = max(segmentmins[0], node->mins[0]);
5217 nodesegmentmins[1] = max(segmentmins[1], node->mins[1]);
5218 nodesegmentmins[2] = max(segmentmins[2], node->mins[2]);
5219 nodesegmentmaxs[0] = min(segmentmaxs[0], node->maxs[0]);
5220 nodesegmentmaxs[1] = min(segmentmaxs[1], node->maxs[1]);
5221 nodesegmentmaxs[2] = min(segmentmaxs[2], node->maxs[2]);
5222 if (nodesegmentmins[0] > nodesegmentmaxs[0] || nodesegmentmins[1] > nodesegmentmaxs[1] || nodesegmentmins[2] > nodesegmentmaxs[2])
5226 if (mod_q3bsp_debugtracebrush.integer == 2)
5228 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
5229 node = node->children[1];
5231 else if (mod_q3bsp_debugtracebrush.integer == 1)
5233 // recurse down node sides
5234 sides = BoxOnPlaneSide(nodesegmentmins, nodesegmentmaxs, node->plane);
5237 // segment box crosses plane
5238 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
5239 node = node->children[1];
5243 // take whichever side the segment box is on
5244 node = node->children[sides - 1];
5249 // recurse down node sides
5250 sides = BoxOnPlaneSide(nodesegmentmins, nodesegmentmaxs, node->plane);
5253 // segment box crosses plane
5254 // now check start and end brush boxes to handle a lot of 'diagonal' cases more efficiently...
5255 sides = BoxOnPlaneSide(thisbrush_start->mins, thisbrush_start->maxs, node->plane) | BoxOnPlaneSide(thisbrush_end->mins, thisbrush_end->maxs, node->plane);
5258 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
5262 // take whichever side the segment box is on
5263 node = node->children[sides - 1];
5268 leaf = (mleaf_t *)node;
5269 for (i = 0;i < leaf->numleafbrushes;i++)
5271 brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf;
5272 if (brush && brush->markframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, brush->mins, brush->maxs))
5274 brush->markframe = markframe;
5275 Collision_TraceBrushBrushFloat(trace, thisbrush_start, thisbrush_end, brush, brush);
5278 if (mod_q3bsp_curves_collisions.integer)
5280 for (i = 0;i < leaf->numleafsurfaces;i++)
5282 surface = model->brush.data_surfaces + leaf->firstleafsurface[i];
5283 if (surface->num_collisiontriangles && surface->collisionmarkframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, surface->mins, surface->maxs))
5285 surface->collisionmarkframe = markframe;
5286 Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, surface->num_collisiontriangles, surface->data_collisionelement3i, surface->data_collisionvertex3f, surface->texture->supercontents, segmentmins, segmentmaxs);
5292 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)
5295 float segmentmins[3], segmentmaxs[3];
5296 colbrushf_t *thisbrush_start, *thisbrush_end;
5297 matrix4x4_t startmatrix, endmatrix;
5298 static int markframe = 0;
5299 msurface_t *surface;
5301 memset(trace, 0, sizeof(*trace));
5302 trace->fraction = 1;
5303 trace->realfraction = 1;
5304 trace->hitsupercontentsmask = hitsupercontentsmask;
5305 Matrix4x4_CreateIdentity(&startmatrix);
5306 Matrix4x4_CreateIdentity(&endmatrix);
5307 segmentmins[0] = min(boxstartmins[0], boxendmins[0]);
5308 segmentmins[1] = min(boxstartmins[1], boxendmins[1]);
5309 segmentmins[2] = min(boxstartmins[2], boxendmins[2]);
5310 segmentmaxs[0] = max(boxstartmaxs[0], boxendmaxs[0]);
5311 segmentmaxs[1] = max(boxstartmaxs[1], boxendmaxs[1]);
5312 segmentmaxs[2] = max(boxstartmaxs[2], boxendmaxs[2]);
5313 if (mod_q3bsp_optimizedtraceline.integer && VectorCompare(boxstartmins, boxstartmaxs) && VectorCompare(boxendmins, boxendmaxs))
5315 if (VectorCompare(boxstartmins, boxendmins))
5318 if (model->brush.submodel)
5320 for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
5321 if (brush->colbrushf)
5322 Collision_TracePointBrushFloat(trace, boxstartmins, brush->colbrushf);
5325 Mod_Q3BSP_TracePoint_RecursiveBSPNode(trace, model, model->brush.data_nodes, boxstartmins, ++markframe);
5330 if (model->brush.submodel)
5332 for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
5333 if (brush->colbrushf)
5334 Collision_TraceLineBrushFloat(trace, boxstartmins, boxendmins, brush->colbrushf, brush->colbrushf);
5335 if (mod_q3bsp_curves_collisions.integer)
5336 for (i = 0, surface = model->brush.data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
5337 if (surface->num_collisiontriangles)
5338 Collision_TraceLineTriangleMeshFloat(trace, boxstartmins, boxendmins, surface->num_collisiontriangles, surface->data_collisionelement3i, surface->data_collisionvertex3f, surface->texture->supercontents, segmentmins, segmentmaxs);
5341 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, model->brush.data_nodes, boxstartmins, boxendmins, 0, 1, boxstartmins, boxendmins, ++markframe, segmentmins, segmentmaxs);
5346 // box trace, performed as brush trace
5347 thisbrush_start = Collision_BrushForBox(&startmatrix, boxstartmins, boxstartmaxs);
5348 thisbrush_end = Collision_BrushForBox(&endmatrix, boxendmins, boxendmaxs);
5349 if (model->brush.submodel)
5351 for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
5352 if (brush->colbrushf)
5353 Collision_TraceBrushBrushFloat(trace, thisbrush_start, thisbrush_end, brush->colbrushf, brush->colbrushf);
5354 if (mod_q3bsp_curves_collisions.integer)
5355 for (i = 0, surface = model->brush.data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
5356 if (surface->num_collisiontriangles)
5357 Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, surface->num_collisiontriangles, surface->data_collisionelement3i, surface->data_collisionvertex3f, surface->texture->supercontents, segmentmins, segmentmaxs);
5360 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, model, model->brush.data_nodes, thisbrush_start, thisbrush_end, ++markframe, segmentmins, segmentmaxs);
5364 static int Mod_Q3BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents)
5366 int supercontents = 0;
5367 if (nativecontents & CONTENTSQ3_SOLID)
5368 supercontents |= SUPERCONTENTS_SOLID;
5369 if (nativecontents & CONTENTSQ3_WATER)
5370 supercontents |= SUPERCONTENTS_WATER;
5371 if (nativecontents & CONTENTSQ3_SLIME)
5372 supercontents |= SUPERCONTENTS_SLIME;
5373 if (nativecontents & CONTENTSQ3_LAVA)
5374 supercontents |= SUPERCONTENTS_LAVA;
5375 if (nativecontents & CONTENTSQ3_BODY)
5376 supercontents |= SUPERCONTENTS_BODY;
5377 if (nativecontents & CONTENTSQ3_CORPSE)
5378 supercontents |= SUPERCONTENTS_CORPSE;
5379 if (nativecontents & CONTENTSQ3_NODROP)
5380 supercontents |= SUPERCONTENTS_NODROP;
5381 if (nativecontents & CONTENTSQ3_PLAYERCLIP)
5382 supercontents |= SUPERCONTENTS_PLAYERCLIP;
5383 if (nativecontents & CONTENTSQ3_MONSTERCLIP)
5384 supercontents |= SUPERCONTENTS_MONSTERCLIP;
5385 if (nativecontents & CONTENTSQ3_DONOTENTER)
5386 supercontents |= SUPERCONTENTS_DONOTENTER;
5387 return supercontents;
5390 static int Mod_Q3BSP_NativeContentsFromSuperContents(model_t *model, int supercontents)
5392 int nativecontents = 0;
5393 if (supercontents & SUPERCONTENTS_SOLID)
5394 nativecontents |= CONTENTSQ3_SOLID;
5395 if (supercontents & SUPERCONTENTS_WATER)
5396 nativecontents |= CONTENTSQ3_WATER;
5397 if (supercontents & SUPERCONTENTS_SLIME)
5398 nativecontents |= CONTENTSQ3_SLIME;
5399 if (supercontents & SUPERCONTENTS_LAVA)
5400 nativecontents |= CONTENTSQ3_LAVA;
5401 if (supercontents & SUPERCONTENTS_BODY)
5402 nativecontents |= CONTENTSQ3_BODY;
5403 if (supercontents & SUPERCONTENTS_CORPSE)
5404 nativecontents |= CONTENTSQ3_CORPSE;
5405 if (supercontents & SUPERCONTENTS_NODROP)
5406 nativecontents |= CONTENTSQ3_NODROP;
5407 if (supercontents & SUPERCONTENTS_PLAYERCLIP)
5408 nativecontents |= CONTENTSQ3_PLAYERCLIP;
5409 if (supercontents & SUPERCONTENTS_MONSTERCLIP)
5410 nativecontents |= CONTENTSQ3_MONSTERCLIP;
5411 if (supercontents & SUPERCONTENTS_DONOTENTER)
5412 nativecontents |= CONTENTSQ3_DONOTENTER;
5413 return nativecontents;
5416 void Mod_Q3BSP_RecursiveFindNumLeafs(mnode_t *node)
5421 Mod_Q3BSP_RecursiveFindNumLeafs(node->children[0]);
5422 node = node->children[1];
5424 numleafs = ((mleaf_t *)node - loadmodel->brush.data_leafs) + 1;
5425 if (loadmodel->brush.num_leafs < numleafs)
5426 loadmodel->brush.num_leafs = numleafs;
5429 void Mod_Q3BSP_Load(model_t *mod, void *buffer)
5431 int i, j, numshadowmeshtriangles;
5432 q3dheader_t *header;
5433 float corner[3], yawradius, modelradius;
5434 msurface_t *surface;
5436 mod->type = mod_brushq3;
5437 mod->numframes = 2; // although alternate textures are not supported it is annoying to complain about no such frame 1
5440 header = (q3dheader_t *)buffer;
5442 i = LittleLong(header->version);
5443 if (i != Q3BSPVERSION)
5444 Host_Error("Mod_Q3BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q3BSPVERSION);
5445 if (mod->isworldmodel)
5446 Cvar_SetValue("halflifebsp", false);
5448 mod->soundfromcenter = true;
5449 mod->TraceBox = Mod_Q3BSP_TraceBox;
5450 mod->brush.SuperContentsFromNativeContents = Mod_Q3BSP_SuperContentsFromNativeContents;
5451 mod->brush.NativeContentsFromSuperContents = Mod_Q3BSP_NativeContentsFromSuperContents;
5452 mod->brush.GetPVS = Mod_Q1BSP_GetPVS;
5453 mod->brush.FatPVS = Mod_Q1BSP_FatPVS;
5454 mod->brush.BoxTouchingPVS = Mod_Q1BSP_BoxTouchingPVS;
5455 mod->brush.BoxTouchingLeafPVS = Mod_Q1BSP_BoxTouchingLeafPVS;
5456 mod->brush.BoxTouchingVisibleLeafs = Mod_Q1BSP_BoxTouchingVisibleLeafs;
5457 mod->brush.LightPoint = Mod_Q3BSP_LightPoint;
5458 mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
5459 mod->brush.PointInLeaf = Mod_Q1BSP_PointInLeaf;
5460 mod->Draw = R_Q1BSP_Draw;
5461 mod->GetLightInfo = R_Q1BSP_GetLightInfo;
5462 mod->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
5463 mod->DrawLight = R_Q1BSP_DrawLight;
5465 mod_base = (qbyte *)header;
5467 // swap all the lumps
5468 header->ident = LittleLong(header->ident);
5469 header->version = LittleLong(header->version);
5470 for (i = 0;i < Q3HEADER_LUMPS;i++)
5472 header->lumps[i].fileofs = LittleLong(header->lumps[i].fileofs);
5473 header->lumps[i].filelen = LittleLong(header->lumps[i].filelen);
5476 Mod_Q3BSP_LoadEntities(&header->lumps[Q3LUMP_ENTITIES]);
5477 Mod_Q3BSP_LoadTextures(&header->lumps[Q3LUMP_TEXTURES]);
5478 Mod_Q3BSP_LoadPlanes(&header->lumps[Q3LUMP_PLANES]);
5479 Mod_Q3BSP_LoadBrushSides(&header->lumps[Q3LUMP_BRUSHSIDES]);
5480 Mod_Q3BSP_LoadBrushes(&header->lumps[Q3LUMP_BRUSHES]);
5481 Mod_Q3BSP_LoadEffects(&header->lumps[Q3LUMP_EFFECTS]);
5482 Mod_Q3BSP_LoadVertices(&header->lumps[Q3LUMP_VERTICES]);
5483 Mod_Q3BSP_LoadTriangles(&header->lumps[Q3LUMP_TRIANGLES]);
5484 Mod_Q3BSP_LoadLightmaps(&header->lumps[Q3LUMP_LIGHTMAPS]);
5485 Mod_Q3BSP_LoadFaces(&header->lumps[Q3LUMP_FACES]);
5486 Mod_Q3BSP_LoadModels(&header->lumps[Q3LUMP_MODELS]);
5487 Mod_Q3BSP_LoadLeafBrushes(&header->lumps[Q3LUMP_LEAFBRUSHES]);
5488 Mod_Q3BSP_LoadLeafFaces(&header->lumps[Q3LUMP_LEAFFACES]);
5489 Mod_Q3BSP_LoadLeafs(&header->lumps[Q3LUMP_LEAFS]);
5490 Mod_Q3BSP_LoadNodes(&header->lumps[Q3LUMP_NODES]);
5491 Mod_Q3BSP_LoadLightGrid(&header->lumps[Q3LUMP_LIGHTGRID]);
5492 Mod_Q3BSP_LoadPVS(&header->lumps[Q3LUMP_PVS]);
5493 loadmodel->brush.numsubmodels = loadmodel->brushq3.num_models;
5495 // the MakePortals code works fine on the q3bsp data as well
5496 Mod_Q1BSP_MakePortals();
5498 // make a single combined shadow mesh to allow optimized shadow volume creation
5499 numshadowmeshtriangles = 0;
5500 for (j = 0, surface = loadmodel->brush.data_surfaces;j < loadmodel->brush.num_surfaces;j++, surface++)
5502 surface->num_firstshadowmeshtriangle = numshadowmeshtriangles;
5503 numshadowmeshtriangles += surface->num_triangles;
5505 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Begin(loadmodel->mempool, numshadowmeshtriangles * 3, numshadowmeshtriangles, NULL, NULL, NULL, false, false, true);
5506 for (j = 0, surface = loadmodel->brush.data_surfaces;j < loadmodel->brush.num_surfaces;j++, surface++)
5507 Mod_ShadowMesh_AddMesh(loadmodel->mempool, loadmodel->brush.shadowmesh, NULL, NULL, NULL, surface->groupmesh->data_vertex3f, NULL, NULL, NULL, NULL, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle));
5508 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Finish(loadmodel->mempool, loadmodel->brush.shadowmesh, false, true);
5509 Mod_BuildTriangleNeighbors(loadmodel->brush.shadowmesh->neighbor3i, loadmodel->brush.shadowmesh->element3i, loadmodel->brush.shadowmesh->numtriangles);
5511 loadmodel->brush.num_leafs = 0;
5512 Mod_Q3BSP_RecursiveFindNumLeafs(loadmodel->brush.data_nodes);
5514 if (loadmodel->isworldmodel)
5516 // clear out any stale submodels or worldmodels lying around
5517 // if we did this clear before now, an error might abort loading and
5518 // leave things in a bad state
5519 Mod_RemoveStaleWorldModels(loadmodel);
5523 for (i = 0;i < loadmodel->brush.numsubmodels;i++)
5528 // LordHavoc: only register submodels if it is the world
5529 // (prevents external bsp models from replacing world submodels with
5531 if (!loadmodel->isworldmodel)
5533 // duplicate the basic information
5534 sprintf(name, "*%i", i);
5535 mod = Mod_FindName(name);
5537 strcpy(mod->name, name);
5538 // textures and memory belong to the main model
5539 mod->texturepool = NULL;
5540 mod->mempool = NULL;
5541 mod->brush.GetPVS = NULL;
5542 mod->brush.FatPVS = NULL;
5543 mod->brush.BoxTouchingPVS = NULL;
5544 mod->brush.BoxTouchingLeafPVS = NULL;
5545 mod->brush.BoxTouchingVisibleLeafs = NULL;
5546 mod->brush.LightPoint = NULL;
5547 mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
5549 mod->brush.submodel = i;
5551 // make the model surface list (used by shadowing/lighting)
5552 mod->firstmodelsurface = mod->brushq3.data_models[i].firstface;
5553 mod->nummodelsurfaces = mod->brushq3.data_models[i].numfaces;
5554 mod->firstmodelbrush = mod->brushq3.data_models[i].firstbrush;
5555 mod->nummodelbrushes = mod->brushq3.data_models[i].numbrushes;
5556 mod->surfacelist = Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->surfacelist));
5557 for (j = 0;j < mod->nummodelsurfaces;j++)
5558 mod->surfacelist[j] = mod->firstmodelsurface + j;
5560 VectorCopy(mod->brushq3.data_models[i].mins, mod->normalmins);
5561 VectorCopy(mod->brushq3.data_models[i].maxs, mod->normalmaxs);
5562 corner[0] = max(fabs(mod->normalmins[0]), fabs(mod->normalmaxs[0]));
5563 corner[1] = max(fabs(mod->normalmins[1]), fabs(mod->normalmaxs[1]));
5564 corner[2] = max(fabs(mod->normalmins[2]), fabs(mod->normalmaxs[2]));
5565 modelradius = sqrt(corner[0]*corner[0]+corner[1]*corner[1]+corner[2]*corner[2]);
5566 yawradius = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
5567 mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius;
5568 mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
5569 mod->yawmaxs[0] = mod->yawmaxs[1] = yawradius;
5570 mod->yawmins[0] = mod->yawmins[1] = -yawradius;
5571 mod->yawmins[2] = mod->normalmins[2];
5572 mod->yawmaxs[2] = mod->normalmaxs[2];
5573 mod->radius = modelradius;
5574 mod->radius2 = modelradius * modelradius;
5576 for (j = 0;j < mod->nummodelsurfaces;j++)
5577 if (mod->brush.data_surfaces[j + mod->firstmodelsurface].texture->surfaceflags & Q3SURFACEFLAG_SKY)
5579 if (j < mod->nummodelsurfaces)
5580 mod->DrawSky = R_Q1BSP_DrawSky;
5584 void Mod_IBSP_Load(model_t *mod, void *buffer)
5586 int i = LittleLong(((int *)buffer)[1]);
5587 if (i == Q3BSPVERSION)
5588 Mod_Q3BSP_Load(mod,buffer);
5589 else if (i == Q2BSPVERSION)
5590 Mod_Q2BSP_Load(mod,buffer);
5592 Host_Error("Mod_IBSP_Load: unknown/unsupported version %i\n", i);
5595 void Mod_MAP_Load(model_t *mod, void *buffer)
5597 Host_Error("Mod_MAP_Load: not yet implemented\n");