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", "how large water polygons should be (smaller values produce more polygons which give better warping effects)"};
30 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
31 cvar_t mcbsp = {0, "mcbsp", "0", "indicates the current map is mcbsp format (useful to know because of different bounding box sizes)"};
32 cvar_t r_novis = {0, "r_novis", "0", "draws whole level, see also sv_cullentities_pvs 0"};
33 cvar_t r_lightmaprgba = {0, "r_lightmaprgba", "1", "whether to use RGBA (32bit) or RGB (24bit) lightmaps"};
34 cvar_t r_nosurftextures = {0, "r_nosurftextures", "0", "pretends there was no texture lump found in the q1bsp/hlbsp loading (useful for debugging this rare case)"};
35 cvar_t r_subdivisions_tolerance = {0, "r_subdivisions_tolerance", "4", "maximum error tolerance on curve subdivision for rendering purposes (in other words, the curves will be given as many polygons as necessary to represent curves at this quality)"};
36 cvar_t r_subdivisions_mintess = {0, "r_subdivisions_mintess", "1", "minimum number of subdivisions (values above 1 will smooth curves that don't need it)"};
37 cvar_t r_subdivisions_maxtess = {0, "r_subdivisions_maxtess", "1024", "maximum number of subdivisions (prevents curves beyond a certain detail level, limits smoothing)"};
38 cvar_t r_subdivisions_maxvertices = {0, "r_subdivisions_maxvertices", "65536", "maximum vertices allowed per subdivided curve"};
39 cvar_t r_subdivisions_collision_tolerance = {0, "r_subdivisions_collision_tolerance", "15", "maximum error tolerance on curve subdivision for collision purposes (usually a larger error tolerance than for rendering)"};
40 cvar_t r_subdivisions_collision_mintess = {0, "r_subdivisions_collision_mintess", "1", "minimum number of subdivisions (values above 1 will smooth curves that don't need it)"};
41 cvar_t r_subdivisions_collision_maxtess = {0, "r_subdivisions_collision_maxtess", "1024", "maximum number of subdivisions (prevents curves beyond a certain detail level, limits smoothing)"};
42 cvar_t r_subdivisions_collision_maxvertices = {0, "r_subdivisions_collision_maxvertices", "4225", "maximum vertices allowed per subdivided curve"};
43 cvar_t mod_q3bsp_curves_collisions = {0, "mod_q3bsp_curves_collisions", "1", "enables collisions with curves (SLOW)"};
44 cvar_t mod_q3bsp_optimizedtraceline = {0, "mod_q3bsp_optimizedtraceline", "1", "whether to use optimized traceline code for line traces (as opposed to tracebox code)"};
45 cvar_t mod_q3bsp_debugtracebrush = {0, "mod_q3bsp_debugtracebrush", "0", "selects different tracebrush bsp recursion algorithms (for debugging purposes only)"};
47 static texture_t mod_q1bsp_texture_solid;
48 static texture_t mod_q1bsp_texture_sky;
49 static texture_t mod_q1bsp_texture_lava;
50 static texture_t mod_q1bsp_texture_slime;
51 static texture_t mod_q1bsp_texture_water;
53 void Mod_BrushInit(void)
55 // Cvar_RegisterVariable(&r_subdivide_size);
56 Cvar_RegisterVariable(&halflifebsp);
57 Cvar_RegisterVariable(&mcbsp);
58 Cvar_RegisterVariable(&r_novis);
59 Cvar_RegisterVariable(&r_lightmaprgba);
60 Cvar_RegisterVariable(&r_nosurftextures);
61 Cvar_RegisterVariable(&r_subdivisions_tolerance);
62 Cvar_RegisterVariable(&r_subdivisions_mintess);
63 Cvar_RegisterVariable(&r_subdivisions_maxtess);
64 Cvar_RegisterVariable(&r_subdivisions_maxvertices);
65 Cvar_RegisterVariable(&r_subdivisions_collision_tolerance);
66 Cvar_RegisterVariable(&r_subdivisions_collision_mintess);
67 Cvar_RegisterVariable(&r_subdivisions_collision_maxtess);
68 Cvar_RegisterVariable(&r_subdivisions_collision_maxvertices);
69 Cvar_RegisterVariable(&mod_q3bsp_curves_collisions);
70 Cvar_RegisterVariable(&mod_q3bsp_optimizedtraceline);
71 Cvar_RegisterVariable(&mod_q3bsp_debugtracebrush);
73 memset(&mod_q1bsp_texture_solid, 0, sizeof(mod_q1bsp_texture_solid));
74 strlcpy(mod_q1bsp_texture_solid.name, "solid" , sizeof(mod_q1bsp_texture_solid.name));
75 mod_q1bsp_texture_solid.surfaceflags = 0;
76 mod_q1bsp_texture_solid.supercontents = SUPERCONTENTS_SOLID;
78 mod_q1bsp_texture_sky = mod_q1bsp_texture_solid;
79 strlcpy(mod_q1bsp_texture_sky.name, "sky", sizeof(mod_q1bsp_texture_sky.name));
80 mod_q1bsp_texture_sky.surfaceflags = Q3SURFACEFLAG_SKY | Q3SURFACEFLAG_NOIMPACT | Q3SURFACEFLAG_NOMARKS | Q3SURFACEFLAG_NODLIGHT | Q3SURFACEFLAG_NOLIGHTMAP;
81 mod_q1bsp_texture_sky.supercontents = SUPERCONTENTS_SKY | SUPERCONTENTS_NODROP;
83 mod_q1bsp_texture_lava = mod_q1bsp_texture_solid;
84 strlcpy(mod_q1bsp_texture_lava.name, "*lava", sizeof(mod_q1bsp_texture_lava.name));
85 mod_q1bsp_texture_lava.surfaceflags = Q3SURFACEFLAG_NOMARKS;
86 mod_q1bsp_texture_lava.supercontents = SUPERCONTENTS_LAVA | SUPERCONTENTS_NODROP;
88 mod_q1bsp_texture_slime = mod_q1bsp_texture_solid;
89 strlcpy(mod_q1bsp_texture_slime.name, "*slime", sizeof(mod_q1bsp_texture_slime.name));
90 mod_q1bsp_texture_slime.surfaceflags = Q3SURFACEFLAG_NOMARKS;
91 mod_q1bsp_texture_slime.supercontents = SUPERCONTENTS_SLIME;
93 mod_q1bsp_texture_water = mod_q1bsp_texture_solid;
94 strlcpy(mod_q1bsp_texture_water.name, "*water", sizeof(mod_q1bsp_texture_water.name));
95 mod_q1bsp_texture_water.surfaceflags = Q3SURFACEFLAG_NOMARKS;
96 mod_q1bsp_texture_water.supercontents = SUPERCONTENTS_WATER;
99 static mleaf_t *Mod_Q1BSP_PointInLeaf(model_t *model, const vec3_t p)
106 // LordHavoc: modified to start at first clip node,
107 // in other words: first node of the (sub)model
108 node = model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode;
110 node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct(p,node->plane->normal)) < node->plane->dist];
112 return (mleaf_t *)node;
115 static void Mod_Q1BSP_AmbientSoundLevelsForPoint(model_t *model, const vec3_t p, unsigned char *out, int outsize)
119 leaf = Mod_Q1BSP_PointInLeaf(model, p);
122 i = min(outsize, (int)sizeof(leaf->ambient_sound_level));
125 memcpy(out, leaf->ambient_sound_level, i);
131 memset(out, 0, outsize);
134 static int Mod_Q1BSP_FindBoxClusters(model_t *model, const vec3_t mins, const vec3_t maxs, int maxclusters, int *clusterlist)
137 int nodestackindex = 0;
138 mnode_t *node, *nodestack[1024];
139 if (!model->brush.num_pvsclusters)
141 node = model->brush.data_nodes;
147 // node - recurse down the BSP tree
148 int sides = BoxOnPlaneSide(mins, maxs, node->plane);
152 return -1; // ERROR: NAN bounding box!
153 // box is on one side of plane, take that path
154 node = node->children[sides-1];
158 // box crosses plane, take one path and remember the other
159 if (nodestackindex < 1024)
160 nodestack[nodestackindex++] = node->children[0];
161 node = node->children[1];
167 // leaf - add clusterindex to list
168 if (numclusters < maxclusters)
169 clusterlist[numclusters] = ((mleaf_t *)node)->clusterindex;
173 if (BoxesOverlap(mins, maxs, node->mins, node->maxs))
177 if (nodestackindex < 1024)
178 nodestack[nodestackindex++] = node->children[0];
179 node = node->children[1];
184 // leaf - add clusterindex to list
185 if (numclusters < maxclusters)
186 clusterlist[numclusters] = ((mleaf_t *)node)->clusterindex;
191 // try another path we didn't take earlier
192 if (nodestackindex == 0)
194 node = nodestack[--nodestackindex];
196 // return number of clusters found (even if more than the maxclusters)
200 static int Mod_Q1BSP_BoxTouchingPVS(model_t *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs)
202 int nodestackindex = 0;
203 mnode_t *node, *nodestack[1024];
204 if (!model->brush.num_pvsclusters)
206 node = model->brush.data_nodes;
212 // node - recurse down the BSP tree
213 int sides = BoxOnPlaneSide(mins, maxs, node->plane);
217 return -1; // ERROR: NAN bounding box!
218 // box is on one side of plane, take that path
219 node = node->children[sides-1];
223 // box crosses plane, take one path and remember the other
224 if (nodestackindex < 1024)
225 nodestack[nodestackindex++] = node->children[0];
226 node = node->children[1];
232 // leaf - check cluster bit
233 int clusterindex = ((mleaf_t *)node)->clusterindex;
234 if (CHECKPVSBIT(pvs, clusterindex))
236 // it is visible, return immediately with the news
241 if (BoxesOverlap(mins, maxs, node->mins, node->maxs))
245 if (nodestackindex < 1024)
246 nodestack[nodestackindex++] = node->children[0];
247 node = node->children[1];
252 // leaf - check cluster bit
253 int clusterindex = ((mleaf_t *)node)->clusterindex;
254 if (CHECKPVSBIT(pvs, clusterindex))
256 // it is visible, return immediately with the news
262 // nothing to see here, try another path we didn't take earlier
263 if (nodestackindex == 0)
265 node = nodestack[--nodestackindex];
271 static int Mod_Q1BSP_BoxTouchingLeafPVS(model_t *model, const unsigned char *pvs, const vec3_t mins, const vec3_t maxs)
273 int nodestackindex = 0;
274 mnode_t *node, *nodestack[1024];
275 if (!model->brush.num_leafs)
277 node = model->brush.data_nodes;
283 // node - recurse down the BSP tree
284 int sides = BoxOnPlaneSide(mins, maxs, node->plane);
288 return -1; // ERROR: NAN bounding box!
289 // box is on one side of plane, take that path
290 node = node->children[sides-1];
294 // box crosses plane, take one path and remember the other
295 if (nodestackindex < 1024)
296 nodestack[nodestackindex++] = node->children[0];
297 node = node->children[1];
303 // leaf - check cluster bit
304 int clusterindex = ((mleaf_t *)node) - model->brush.data_leafs;
305 if (CHECKPVSBIT(pvs, clusterindex))
307 // it is visible, return immediately with the news
312 if (BoxesOverlap(mins, maxs, node->mins, node->maxs))
316 if (nodestackindex < 1024)
317 nodestack[nodestackindex++] = node->children[0];
318 node = node->children[1];
323 // leaf - check cluster bit
324 int clusterindex = ((mleaf_t *)node) - model->brush.data_leafs;
325 if (CHECKPVSBIT(pvs, clusterindex))
327 // it is visible, return immediately with the news
333 // nothing to see here, try another path we didn't take earlier
334 if (nodestackindex == 0)
336 node = nodestack[--nodestackindex];
342 static int Mod_Q1BSP_BoxTouchingVisibleLeafs(model_t *model, const unsigned char *visibleleafs, const vec3_t mins, const vec3_t maxs)
344 int nodestackindex = 0;
345 mnode_t *node, *nodestack[1024];
346 if (!model->brush.num_leafs)
348 node = model->brush.data_nodes;
354 // node - recurse down the BSP tree
355 int sides = BoxOnPlaneSide(mins, maxs, node->plane);
359 return -1; // ERROR: NAN bounding box!
360 // box is on one side of plane, take that path
361 node = node->children[sides-1];
365 // box crosses plane, take one path and remember the other
366 if (nodestackindex < 1024)
367 nodestack[nodestackindex++] = node->children[0];
368 node = node->children[1];
374 // leaf - check if it is visible
375 if (visibleleafs[(mleaf_t *)node - model->brush.data_leafs])
377 // it is visible, return immediately with the news
382 if (BoxesOverlap(mins, maxs, node->mins, node->maxs))
386 if (nodestackindex < 1024)
387 nodestack[nodestackindex++] = node->children[0];
388 node = node->children[1];
393 // leaf - check if it is visible
394 if (visibleleafs[(mleaf_t *)node - model->brush.data_leafs])
396 // it is visible, return immediately with the news
402 // nothing to see here, try another path we didn't take earlier
403 if (nodestackindex == 0)
405 node = nodestack[--nodestackindex];
411 typedef struct findnonsolidlocationinfo_s
419 findnonsolidlocationinfo_t;
421 static void Mod_Q1BSP_FindNonSolidLocation_r_Leaf(findnonsolidlocationinfo_t *info, mleaf_t *leaf)
423 int i, surfacenum, k, *tri, *mark;
424 float dist, f, vert[3][3], edge[3][3], facenormal[3], edgenormal[3][3], point[3];
426 for (surfacenum = 0, mark = leaf->firstleafsurface;surfacenum < leaf->numleafsurfaces;surfacenum++, mark++)
428 surface = info->model->data_surfaces + *mark;
429 if (surface->texture->supercontents & SUPERCONTENTS_SOLID)
431 for (k = 0;k < surface->num_triangles;k++)
433 tri = (info->model->surfmesh.data_element3i + 3 * surface->num_firsttriangle) + k * 3;
434 VectorCopy((info->model->surfmesh.data_vertex3f + tri[0] * 3), vert[0]);
435 VectorCopy((info->model->surfmesh.data_vertex3f + tri[1] * 3), vert[1]);
436 VectorCopy((info->model->surfmesh.data_vertex3f + tri[2] * 3), vert[2]);
437 VectorSubtract(vert[1], vert[0], edge[0]);
438 VectorSubtract(vert[2], vert[1], edge[1]);
439 CrossProduct(edge[1], edge[0], facenormal);
440 if (facenormal[0] || facenormal[1] || facenormal[2])
442 VectorNormalize(facenormal);
443 f = DotProduct(info->center, facenormal) - DotProduct(vert[0], facenormal);
444 if (f <= info->bestdist && f >= -info->bestdist)
446 VectorSubtract(vert[0], vert[2], edge[2]);
447 VectorNormalize(edge[0]);
448 VectorNormalize(edge[1]);
449 VectorNormalize(edge[2]);
450 CrossProduct(facenormal, edge[0], edgenormal[0]);
451 CrossProduct(facenormal, edge[1], edgenormal[1]);
452 CrossProduct(facenormal, edge[2], edgenormal[2]);
454 if (DotProduct(info->center, edgenormal[0]) < DotProduct(vert[0], edgenormal[0])
455 && DotProduct(info->center, edgenormal[1]) < DotProduct(vert[1], edgenormal[1])
456 && DotProduct(info->center, edgenormal[2]) < DotProduct(vert[2], edgenormal[2]))
458 // we got lucky, the center is within the face
459 dist = DotProduct(info->center, facenormal) - DotProduct(vert[0], facenormal);
463 if (info->bestdist > dist)
465 info->bestdist = dist;
466 VectorScale(facenormal, (info->radius - -dist), info->nudge);
471 if (info->bestdist > dist)
473 info->bestdist = dist;
474 VectorScale(facenormal, (info->radius - dist), info->nudge);
480 // check which edge or vertex the center is nearest
481 for (i = 0;i < 3;i++)
483 f = DotProduct(info->center, edge[i]);
484 if (f >= DotProduct(vert[0], edge[i])
485 && f <= DotProduct(vert[1], edge[i]))
488 VectorMA(info->center, -f, edge[i], point);
489 dist = sqrt(DotProduct(point, point));
490 if (info->bestdist > dist)
492 info->bestdist = dist;
493 VectorScale(point, (info->radius / dist), info->nudge);
495 // skip both vertex checks
496 // (both are further away than this edge)
501 // not on edge, check first vertex of edge
502 VectorSubtract(info->center, vert[i], point);
503 dist = sqrt(DotProduct(point, point));
504 if (info->bestdist > dist)
506 info->bestdist = dist;
507 VectorScale(point, (info->radius / dist), info->nudge);
519 static void Mod_Q1BSP_FindNonSolidLocation_r(findnonsolidlocationinfo_t *info, mnode_t *node)
523 float f = PlaneDiff(info->center, node->plane);
524 if (f >= -info->bestdist)
525 Mod_Q1BSP_FindNonSolidLocation_r(info, node->children[0]);
526 if (f <= info->bestdist)
527 Mod_Q1BSP_FindNonSolidLocation_r(info, node->children[1]);
531 if (((mleaf_t *)node)->numleafsurfaces)
532 Mod_Q1BSP_FindNonSolidLocation_r_Leaf(info, (mleaf_t *)node);
536 static void Mod_Q1BSP_FindNonSolidLocation(model_t *model, const vec3_t in, vec3_t out, float radius)
539 findnonsolidlocationinfo_t info;
545 VectorCopy(in, info.center);
546 info.radius = radius;
551 VectorClear(info.nudge);
552 info.bestdist = radius;
553 Mod_Q1BSP_FindNonSolidLocation_r(&info, model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode);
554 VectorAdd(info.center, info.nudge, info.center);
556 while (info.bestdist < radius && ++i < 10);
557 VectorCopy(info.center, out);
560 int Mod_Q1BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents)
562 switch(nativecontents)
567 return SUPERCONTENTS_SOLID;
569 return SUPERCONTENTS_WATER;
571 return SUPERCONTENTS_SLIME;
573 return SUPERCONTENTS_LAVA | SUPERCONTENTS_NODROP;
575 return SUPERCONTENTS_SKY | SUPERCONTENTS_NODROP;
580 int Mod_Q1BSP_NativeContentsFromSuperContents(model_t *model, int supercontents)
582 if (supercontents & (SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY))
583 return CONTENTS_SOLID;
584 if (supercontents & SUPERCONTENTS_SKY)
586 if (supercontents & SUPERCONTENTS_LAVA)
587 return CONTENTS_LAVA;
588 if (supercontents & SUPERCONTENTS_SLIME)
589 return CONTENTS_SLIME;
590 if (supercontents & SUPERCONTENTS_WATER)
591 return CONTENTS_WATER;
592 return CONTENTS_EMPTY;
595 typedef struct RecursiveHullCheckTraceInfo_s
597 // the hull we're tracing through
600 // the trace structure to fill in
603 // start, end, and end - start (in model space)
608 RecursiveHullCheckTraceInfo_t;
610 // 1/32 epsilon to keep floating point happy
611 #define DIST_EPSILON (0.03125)
613 #define HULLCHECKSTATE_EMPTY 0
614 #define HULLCHECKSTATE_SOLID 1
615 #define HULLCHECKSTATE_DONE 2
617 static int Mod_Q1BSP_RecursiveHullCheck(RecursiveHullCheckTraceInfo_t *t, int num, double p1f, double p2f, double p1[3], double p2[3])
619 // status variables, these don't need to be saved on the stack when
620 // recursing... but are because this should be thread-safe
621 // (note: tracing against a bbox is not thread-safe, yet)
626 // variables that need to be stored on the stack when recursing
631 // LordHavoc: a goto! everyone flee in terror... :)
636 num = Mod_Q1BSP_SuperContentsFromNativeContents(NULL, num);
637 if (!t->trace->startfound)
639 t->trace->startfound = true;
640 t->trace->startsupercontents |= num;
642 if (num & SUPERCONTENTS_LIQUIDSMASK)
643 t->trace->inwater = true;
645 t->trace->inopen = true;
646 if (num & SUPERCONTENTS_SOLID)
647 t->trace->hittexture = &mod_q1bsp_texture_solid;
648 else if (num & SUPERCONTENTS_SKY)
649 t->trace->hittexture = &mod_q1bsp_texture_sky;
650 else if (num & SUPERCONTENTS_LAVA)
651 t->trace->hittexture = &mod_q1bsp_texture_lava;
652 else if (num & SUPERCONTENTS_SLIME)
653 t->trace->hittexture = &mod_q1bsp_texture_slime;
655 t->trace->hittexture = &mod_q1bsp_texture_water;
656 t->trace->hitq3surfaceflags = t->trace->hittexture->surfaceflags;
657 t->trace->hitsupercontents = num;
658 if (num & t->trace->hitsupercontentsmask)
660 // if the first leaf is solid, set startsolid
661 if (t->trace->allsolid)
662 t->trace->startsolid = true;
663 #if COLLISIONPARANOID >= 3
666 return HULLCHECKSTATE_SOLID;
670 t->trace->allsolid = false;
671 #if COLLISIONPARANOID >= 3
674 return HULLCHECKSTATE_EMPTY;
678 // find the point distances
679 node = t->hull->clipnodes + num;
681 plane = t->hull->planes + node->planenum;
684 t1 = p1[plane->type] - plane->dist;
685 t2 = p2[plane->type] - plane->dist;
689 t1 = DotProduct (plane->normal, p1) - plane->dist;
690 t2 = DotProduct (plane->normal, p2) - plane->dist;
697 #if COLLISIONPARANOID >= 3
700 num = node->children[1];
709 #if COLLISIONPARANOID >= 3
712 num = node->children[0];
718 // the line intersects, find intersection point
719 // LordHavoc: this uses the original trace for maximum accuracy
720 #if COLLISIONPARANOID >= 3
725 t1 = t->start[plane->type] - plane->dist;
726 t2 = t->end[plane->type] - plane->dist;
730 t1 = DotProduct (plane->normal, t->start) - plane->dist;
731 t2 = DotProduct (plane->normal, t->end) - plane->dist;
734 midf = t1 / (t1 - t2);
735 midf = bound(p1f, midf, p2f);
736 VectorMA(t->start, midf, t->dist, mid);
738 // recurse both sides, front side first
739 ret = Mod_Q1BSP_RecursiveHullCheck(t, node->children[side], p1f, midf, p1, mid);
740 // if this side is not empty, return what it is (solid or done)
741 if (ret != HULLCHECKSTATE_EMPTY)
744 ret = Mod_Q1BSP_RecursiveHullCheck(t, node->children[side ^ 1], midf, p2f, mid, p2);
745 // if other side is not solid, return what it is (empty or done)
746 if (ret != HULLCHECKSTATE_SOLID)
749 // front is air and back is solid, this is the impact point...
752 t->trace->plane.dist = -plane->dist;
753 VectorNegate (plane->normal, t->trace->plane.normal);
757 t->trace->plane.dist = plane->dist;
758 VectorCopy (plane->normal, t->trace->plane.normal);
761 // calculate the true fraction
762 t1 = DotProduct(t->trace->plane.normal, t->start) - t->trace->plane.dist;
763 t2 = DotProduct(t->trace->plane.normal, t->end) - t->trace->plane.dist;
764 midf = t1 / (t1 - t2);
765 t->trace->realfraction = bound(0, midf, 1);
767 // calculate the return fraction which is nudged off the surface a bit
768 midf = (t1 - DIST_EPSILON) / (t1 - t2);
769 t->trace->fraction = bound(0, midf, 1);
771 #if COLLISIONPARANOID >= 3
774 return HULLCHECKSTATE_DONE;
777 //#if COLLISIONPARANOID < 2
778 static int Mod_Q1BSP_RecursiveHullCheckPoint(RecursiveHullCheckTraceInfo_t *t, int num)
781 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];
782 num = Mod_Q1BSP_SuperContentsFromNativeContents(NULL, num);
783 t->trace->startsupercontents |= num;
784 if (num & SUPERCONTENTS_LIQUIDSMASK)
785 t->trace->inwater = true;
787 t->trace->inopen = true;
788 if (num & t->trace->hitsupercontentsmask)
790 t->trace->allsolid = t->trace->startsolid = true;
791 return HULLCHECKSTATE_SOLID;
795 t->trace->allsolid = t->trace->startsolid = false;
796 return HULLCHECKSTATE_EMPTY;
801 static void Mod_Q1BSP_TraceBox(struct model_s *model, int frame, trace_t *trace, const vec3_t start, const vec3_t boxmins, const vec3_t boxmaxs, const vec3_t end, int hitsupercontentsmask)
803 // this function currently only supports same size start and end
805 RecursiveHullCheckTraceInfo_t rhc;
807 memset(&rhc, 0, sizeof(rhc));
808 memset(trace, 0, sizeof(trace_t));
810 rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
811 rhc.trace->fraction = 1;
812 rhc.trace->realfraction = 1;
813 rhc.trace->allsolid = true;
814 VectorSubtract(boxmaxs, boxmins, boxsize);
816 rhc.hull = &model->brushq1.hulls[0]; // 0x0x0
817 else if (model->brush.ismcbsp)
819 if (boxsize[2] < 48) // pick the nearest of 40 or 56
820 rhc.hull = &model->brushq1.hulls[2]; // 16x16x40
822 rhc.hull = &model->brushq1.hulls[1]; // 16x16x56
824 else if (model->brush.ishlbsp)
826 // LordHavoc: this has to have a minor tolerance (the .1) because of
827 // minor float precision errors from the box being transformed around
828 if (boxsize[0] < 32.1)
830 if (boxsize[2] < 54) // pick the nearest of 36 or 72
831 rhc.hull = &model->brushq1.hulls[3]; // 32x32x36
833 rhc.hull = &model->brushq1.hulls[1]; // 32x32x72
836 rhc.hull = &model->brushq1.hulls[2]; // 64x64x64
840 // LordHavoc: this has to have a minor tolerance (the .1) because of
841 // minor float precision errors from the box being transformed around
842 if (boxsize[0] < 32.1)
843 rhc.hull = &model->brushq1.hulls[1]; // 32x32x56
845 rhc.hull = &model->brushq1.hulls[2]; // 64x64x88
847 VectorMAMAM(1, start, 1, boxmins, -1, rhc.hull->clip_mins, rhc.start);
848 VectorMAMAM(1, end, 1, boxmins, -1, rhc.hull->clip_mins, rhc.end);
849 VectorSubtract(rhc.end, rhc.start, rhc.dist);
850 #if COLLISIONPARANOID >= 2
851 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]);
852 Mod_Q1BSP_RecursiveHullCheck(&rhc, rhc.hull->firstclipnode, 0, 1, rhc.start, rhc.end);
857 VectorLerp(rhc.start, rhc.trace->fraction, rhc.end, test);
858 memset(&testtrace, 0, sizeof(trace_t));
859 rhc.trace = &testtrace;
860 rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
861 rhc.trace->fraction = 1;
862 rhc.trace->realfraction = 1;
863 rhc.trace->allsolid = true;
864 VectorCopy(test, rhc.start);
865 VectorCopy(test, rhc.end);
866 VectorClear(rhc.dist);
867 Mod_Q1BSP_RecursiveHullCheckPoint(&rhc, rhc.hull->firstclipnode);
868 //Mod_Q1BSP_RecursiveHullCheck(&rhc, rhc.hull->firstclipnode, 0, 1, test, test);
869 if (!trace->startsolid && testtrace.startsolid)
870 Con_Printf(" - ended in solid!\n");
874 if (VectorLength2(rhc.dist))
875 Mod_Q1BSP_RecursiveHullCheck(&rhc, rhc.hull->firstclipnode, 0, 1, rhc.start, rhc.end);
877 Mod_Q1BSP_RecursiveHullCheckPoint(&rhc, rhc.hull->firstclipnode);
881 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, int boxq3surfaceflags, texture_t *boxtexture)
885 colplanef_t cbox_planes[6];
886 cbox.supercontents = boxsupercontents;
889 cbox.numtriangles = 0;
890 cbox.planes = cbox_planes;
892 cbox.elements = NULL;
900 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];
901 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];
902 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];
903 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];
904 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];
905 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];
906 cbox_planes[0].supercontents = boxsupercontents;cbox_planes[0].q3surfaceflags = boxq3surfaceflags;cbox_planes[0].texture = boxtexture;
907 cbox_planes[1].supercontents = boxsupercontents;cbox_planes[1].q3surfaceflags = boxq3surfaceflags;cbox_planes[1].texture = boxtexture;
908 cbox_planes[2].supercontents = boxsupercontents;cbox_planes[2].q3surfaceflags = boxq3surfaceflags;cbox_planes[2].texture = boxtexture;
909 cbox_planes[3].supercontents = boxsupercontents;cbox_planes[3].q3surfaceflags = boxq3surfaceflags;cbox_planes[3].texture = boxtexture;
910 cbox_planes[4].supercontents = boxsupercontents;cbox_planes[4].q3surfaceflags = boxq3surfaceflags;cbox_planes[4].texture = boxtexture;
911 cbox_planes[5].supercontents = boxsupercontents;cbox_planes[5].q3surfaceflags = boxq3surfaceflags;cbox_planes[5].texture = boxtexture;
912 memset(trace, 0, sizeof(trace_t));
913 trace->hitsupercontentsmask = hitsupercontentsmask;
915 trace->realfraction = 1;
916 Collision_TraceLineBrushFloat(trace, start, end, &cbox, &cbox);
918 RecursiveHullCheckTraceInfo_t rhc;
919 static hull_t box_hull;
920 static dclipnode_t box_clipnodes[6];
921 static mplane_t box_planes[6];
922 // fill in a default trace
923 memset(&rhc, 0, sizeof(rhc));
924 memset(trace, 0, sizeof(trace_t));
925 //To keep everything totally uniform, bounding boxes are turned into small
926 //BSP trees instead of being compared directly.
927 // create a temp hull from bounding box sizes
928 box_planes[0].dist = cmaxs[0] - mins[0];
929 box_planes[1].dist = cmins[0] - maxs[0];
930 box_planes[2].dist = cmaxs[1] - mins[1];
931 box_planes[3].dist = cmins[1] - maxs[1];
932 box_planes[4].dist = cmaxs[2] - mins[2];
933 box_planes[5].dist = cmins[2] - maxs[2];
934 #if COLLISIONPARANOID >= 3
935 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]);
938 if (box_hull.clipnodes == NULL)
942 //Set up the planes and clipnodes so that the six floats of a bounding box
943 //can just be stored out and get a proper hull_t structure.
945 box_hull.clipnodes = box_clipnodes;
946 box_hull.planes = box_planes;
947 box_hull.firstclipnode = 0;
948 box_hull.lastclipnode = 5;
950 for (i = 0;i < 6;i++)
952 box_clipnodes[i].planenum = i;
956 box_clipnodes[i].children[side] = CONTENTS_EMPTY;
958 box_clipnodes[i].children[side^1] = i + 1;
960 box_clipnodes[i].children[side^1] = CONTENTS_SOLID;
962 box_planes[i].type = i>>1;
963 box_planes[i].normal[i>>1] = 1;
967 // trace a line through the generated clipping hull
968 //rhc.boxsupercontents = boxsupercontents;
969 rhc.hull = &box_hull;
971 rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
972 rhc.trace->fraction = 1;
973 rhc.trace->realfraction = 1;
974 rhc.trace->allsolid = true;
975 VectorCopy(start, rhc.start);
976 VectorCopy(end, rhc.end);
977 VectorSubtract(rhc.end, rhc.start, rhc.dist);
978 Mod_Q1BSP_RecursiveHullCheck(&rhc, rhc.hull->firstclipnode, 0, 1, rhc.start, rhc.end);
979 //VectorMA(rhc.start, rhc.trace->fraction, rhc.dist, rhc.trace->endpos);
980 if (rhc.trace->startsupercontents)
981 rhc.trace->startsupercontents = boxsupercontents;
985 static int Mod_Q1BSP_LightPoint_RecursiveBSPNode(model_t *model, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal, const mnode_t *node, float x, float y, float startz, float endz)
989 float mid, distz = endz - startz;
993 return false; // didn't hit anything
995 switch (node->plane->type)
998 node = node->children[x < node->plane->dist];
1001 node = node->children[y < node->plane->dist];
1004 side = startz < node->plane->dist;
1005 if ((endz < node->plane->dist) == side)
1007 node = node->children[side];
1010 // found an intersection
1011 mid = node->plane->dist;
1014 back = front = x * node->plane->normal[0] + y * node->plane->normal[1];
1015 front += startz * node->plane->normal[2];
1016 back += endz * node->plane->normal[2];
1017 side = front < node->plane->dist;
1018 if ((back < node->plane->dist) == side)
1020 node = node->children[side];
1023 // found an intersection
1024 mid = startz + distz * (front - node->plane->dist) / (front - back);
1028 // go down front side
1029 if (node->children[side]->plane && Mod_Q1BSP_LightPoint_RecursiveBSPNode(model, ambientcolor, diffusecolor, diffusenormal, node->children[side], x, y, startz, mid))
1030 return true; // hit something
1033 // check for impact on this node
1034 if (node->numsurfaces)
1037 msurface_t *surface;
1039 surface = model->data_surfaces + node->firstsurface;
1040 for (i = 0;i < node->numsurfaces;i++, surface++)
1042 if (!(surface->texture->basematerialflags & MATERIALFLAG_WALL) || !surface->lightmapinfo->samples)
1043 continue; // no lightmaps
1045 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];
1046 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];
1048 if (ds >= 0 && ds < surface->lightmapinfo->extents[0] && dt >= 0 && dt < surface->lightmapinfo->extents[1])
1050 unsigned char *lightmap;
1051 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;
1052 lmwidth = ((surface->lightmapinfo->extents[0]>>4)+1);
1053 lmheight = ((surface->lightmapinfo->extents[1]>>4)+1);
1054 line3 = lmwidth * 3; // LordHavoc: *3 for colored lighting
1055 size3 = lmwidth * lmheight * 3; // LordHavoc: *3 for colored lighting
1057 lightmap = surface->lightmapinfo->samples + ((dt>>4) * lmwidth + (ds>>4))*3; // LordHavoc: *3 for colored lighting
1059 for (maps = 0;maps < MAXLIGHTMAPS && surface->lightmapinfo->styles[maps] != 255;maps++)
1061 scale = r_refdef.lightstylevalue[surface->lightmapinfo->styles[maps]];
1062 r00 += lightmap[ 0] * scale;g00 += lightmap[ 1] * scale;b00 += lightmap[ 2] * scale;
1063 r01 += lightmap[ 3] * scale;g01 += lightmap[ 4] * scale;b01 += lightmap[ 5] * scale;
1064 r10 += lightmap[line3+0] * scale;g10 += lightmap[line3+1] * scale;b10 += lightmap[line3+2] * scale;
1065 r11 += lightmap[line3+3] * scale;g11 += lightmap[line3+4] * scale;b11 += lightmap[line3+5] * scale;
1070 LordHavoc: here's the readable version of the interpolation
1071 code, not quite as easy for the compiler to optimize...
1073 dsfrac is the X position in the lightmap pixel, * 16
1074 dtfrac is the Y position in the lightmap pixel, * 16
1075 r00 is top left corner, r01 is top right corner
1076 r10 is bottom left corner, r11 is bottom right corner
1077 g and b are the same layout.
1078 r0 and r1 are the top and bottom intermediate results
1080 first we interpolate the top two points, to get the top
1083 r0 = (((r01-r00) * dsfrac) >> 4) + r00;
1084 g0 = (((g01-g00) * dsfrac) >> 4) + g00;
1085 b0 = (((b01-b00) * dsfrac) >> 4) + b00;
1087 then we interpolate the bottom two points, to get the
1090 r1 = (((r11-r10) * dsfrac) >> 4) + r10;
1091 g1 = (((g11-g10) * dsfrac) >> 4) + g10;
1092 b1 = (((b11-b10) * dsfrac) >> 4) + b10;
1094 then we interpolate the top and bottom samples to get the
1095 middle sample (the one which was requested)
1097 r = (((r1-r0) * dtfrac) >> 4) + r0;
1098 g = (((g1-g0) * dtfrac) >> 4) + g0;
1099 b = (((b1-b0) * dtfrac) >> 4) + b0;
1102 ambientcolor[0] += (float) ((((((((r11-r10) * dsfrac) >> 4) + r10)-((((r01-r00) * dsfrac) >> 4) + r00)) * dtfrac) >> 4) + ((((r01-r00) * dsfrac) >> 4) + r00)) * (1.0f / 32768.0f);
1103 ambientcolor[1] += (float) ((((((((g11-g10) * dsfrac) >> 4) + g10)-((((g01-g00) * dsfrac) >> 4) + g00)) * dtfrac) >> 4) + ((((g01-g00) * dsfrac) >> 4) + g00)) * (1.0f / 32768.0f);
1104 ambientcolor[2] += (float) ((((((((b11-b10) * dsfrac) >> 4) + b10)-((((b01-b00) * dsfrac) >> 4) + b00)) * dtfrac) >> 4) + ((((b01-b00) * dsfrac) >> 4) + b00)) * (1.0f / 32768.0f);
1105 return true; // success
1110 // go down back side
1111 node = node->children[side ^ 1];
1113 distz = endz - startz;
1118 void Mod_Q1BSP_LightPoint(model_t *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal)
1120 Mod_Q1BSP_LightPoint_RecursiveBSPNode(model, ambientcolor, diffusecolor, diffusenormal, model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode, p[0], p[1], p[2], p[2] - 65536);
1121 VectorSet(diffusenormal, 0, 0, -1);
1124 static void Mod_Q1BSP_DecompressVis(const unsigned char *in, const unsigned char *inend, unsigned char *out, unsigned char *outend)
1127 unsigned char *outstart = out;
1128 while (out < outend)
1132 Con_Printf("Mod_Q1BSP_DecompressVis: input underrun on model \"%s\" (decompressed %i of %i output bytes)\n", loadmodel->name, out - outstart, outend - outstart);
1142 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);
1145 for (c = *in++;c > 0;c--)
1149 Con_Printf("Mod_Q1BSP_DecompressVis: output overrun on model \"%s\" (decompressed %i of %i output bytes)\n", loadmodel->name, out - outstart, outend - outstart);
1160 R_Q1BSP_LoadSplitSky
1162 A sky texture is 256*128, with the right side being a masked overlay
1165 void R_Q1BSP_LoadSplitSky (unsigned char *src, int width, int height, int bytesperpixel)
1168 unsigned solidpixels[128*128], alphapixels[128*128];
1170 // if sky isn't the right size, just use it as a solid layer
1171 if (width != 256 || height != 128)
1173 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);
1174 loadmodel->brush.alphaskytexture = NULL;
1178 if (bytesperpixel == 4)
1180 for (i = 0;i < 128;i++)
1182 for (j = 0;j < 128;j++)
1184 solidpixels[(i*128) + j] = ((unsigned *)src)[i*256+j+128];
1185 alphapixels[(i*128) + j] = ((unsigned *)src)[i*256+j];
1191 // make an average value for the back to avoid
1192 // a fringe on the top level
1201 for (i = 0;i < 128;i++)
1203 for (j = 0;j < 128;j++)
1205 rgba.i = palette_complete[src[i*256 + j + 128]];
1211 rgba.b[0] = r/(128*128);
1212 rgba.b[1] = g/(128*128);
1213 rgba.b[2] = b/(128*128);
1215 for (i = 0;i < 128;i++)
1217 for (j = 0;j < 128;j++)
1219 solidpixels[(i*128) + j] = palette_complete[src[i*256 + j + 128]];
1220 alphapixels[(i*128) + j] = (p = src[i*256 + j]) ? palette_complete[p] : rgba.i;
1225 loadmodel->brush.solidskytexture = R_LoadTexture2D(loadmodel->texturepool, "sky_solidtexture", 128, 128, (unsigned char *) solidpixels, TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
1226 loadmodel->brush.alphaskytexture = R_LoadTexture2D(loadmodel->texturepool, "sky_alphatexture", 128, 128, (unsigned char *) alphapixels, TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE, NULL);
1229 static void Mod_Q1BSP_LoadTextures(lump_t *l)
1231 int i, j, k, num, max, altmax, mtwidth, mtheight, *dofs, incomplete;
1233 texture_t *tx, *tx2, *anims[10], *altanims[10];
1235 unsigned char *data, *mtdata;
1236 char name[MAX_QPATH];
1238 loadmodel->data_textures = NULL;
1240 // add two slots for notexture walls and notexture liquids
1243 m = (dmiptexlump_t *)(mod_base + l->fileofs);
1244 m->nummiptex = LittleLong (m->nummiptex);
1245 loadmodel->num_textures = m->nummiptex + 2;
1250 loadmodel->num_textures = 2;
1253 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_textures * sizeof(texture_t));
1255 // fill out all slots with notexture
1256 for (i = 0, tx = loadmodel->data_textures;i < loadmodel->num_textures;i++, tx++)
1258 strcpy(tx->name, "NO TEXTURE FOUND");
1261 tx->skin.base = r_texture_notexture;
1262 tx->basematerialflags = 0;
1263 if (i == loadmodel->num_textures - 1)
1265 tx->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_LIGHTBOTHSIDES;
1266 tx->supercontents = mod_q1bsp_texture_water.supercontents;
1267 tx->surfaceflags = mod_q1bsp_texture_water.surfaceflags;
1271 tx->basematerialflags |= MATERIALFLAG_WALL;
1272 tx->supercontents = mod_q1bsp_texture_solid.supercontents;
1273 tx->surfaceflags = mod_q1bsp_texture_solid.surfaceflags;
1275 tx->currentframe = tx;
1281 // just to work around bounds checking when debugging with it (array index out of bounds error thing)
1283 // LordHavoc: mostly rewritten map texture loader
1284 for (i = 0;i < m->nummiptex;i++)
1286 dofs[i] = LittleLong(dofs[i]);
1287 if (dofs[i] == -1 || r_nosurftextures.integer)
1289 dmiptex = (miptex_t *)((unsigned char *)m + dofs[i]);
1291 // make sure name is no more than 15 characters
1292 for (j = 0;dmiptex->name[j] && j < 15;j++)
1293 name[j] = dmiptex->name[j];
1296 mtwidth = LittleLong(dmiptex->width);
1297 mtheight = LittleLong(dmiptex->height);
1299 j = LittleLong(dmiptex->offsets[0]);
1303 if (j < 40 || j + mtwidth * mtheight > l->filelen)
1305 Con_Printf("Texture \"%s\" in \"%s\"is corrupt or incomplete\n", dmiptex->name, loadmodel->name);
1308 mtdata = (unsigned char *)dmiptex + j;
1311 if ((mtwidth & 15) || (mtheight & 15))
1312 Con_Printf("warning: texture \"%s\" in \"%s\" is not 16 aligned\n", dmiptex->name, loadmodel->name);
1314 // LordHavoc: force all names to lowercase
1315 for (j = 0;name[j];j++)
1316 if (name[j] >= 'A' && name[j] <= 'Z')
1317 name[j] += 'a' - 'A';
1319 tx = loadmodel->data_textures + i;
1320 strcpy(tx->name, name);
1321 tx->width = mtwidth;
1322 tx->height = mtheight;
1326 sprintf(tx->name, "unnamed%i", i);
1327 Con_Printf("warning: unnamed texture in %s, renaming to %s\n", loadmodel->name, tx->name);
1330 if (cls.state != ca_dedicated)
1332 // LordHavoc: HL sky textures are entirely different than quake
1333 if (!loadmodel->brush.ishlbsp && !strncmp(tx->name, "sky", 3) && mtwidth == 256 && mtheight == 128)
1335 if (loadmodel->isworldmodel)
1337 data = loadimagepixels(tx->name, false, 0, 0);
1340 R_Q1BSP_LoadSplitSky(data, image_width, image_height, 4);
1343 else if (mtdata != NULL)
1344 R_Q1BSP_LoadSplitSky(mtdata, mtwidth, mtheight, 1);
1349 if (!Mod_LoadSkinFrame(&tx->skin, gamemode == GAME_TENEBRAE ? tx->name : va("textures/%s", tx->name), TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, false, true))
1351 // did not find external texture, load it from the bsp or wad3
1352 if (loadmodel->brush.ishlbsp)
1354 // internal texture overrides wad
1355 unsigned char *pixels, *freepixels;
1356 pixels = freepixels = NULL;
1358 pixels = W_ConvertWAD3Texture(dmiptex);
1360 pixels = freepixels = W_GetTexture(tx->name);
1363 tx->width = image_width;
1364 tx->height = image_height;
1365 Mod_LoadSkinFrame_Internal(&tx->skin, tx->name, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, false, false, pixels, image_width, image_height, 32, NULL, NULL);
1368 Mem_Free(freepixels);
1370 else if (mtdata) // texture included
1371 Mod_LoadSkinFrame_Internal(&tx->skin, tx->name, TEXF_MIPMAP | TEXF_PRECACHE | TEXF_PICMIP, false, r_fullbrights.integer, mtdata, tx->width, tx->height, 8, NULL, NULL);
1374 if (tx->skin.base == NULL)
1379 tx->skin.base = r_texture_notexture;
1383 tx->basematerialflags = 0;
1384 if (tx->name[0] == '*')
1386 // LordHavoc: some turbulent textures should not be affected by wateralpha
1387 if (strncmp(tx->name,"*lava",5)
1388 && strncmp(tx->name,"*teleport",9)
1389 && strncmp(tx->name,"*rift",5)) // Scourge of Armagon texture
1390 tx->basematerialflags |= MATERIALFLAG_WATERALPHA;
1391 if (!strncmp(tx->name, "*lava", 5))
1393 tx->supercontents = mod_q1bsp_texture_lava.supercontents;
1394 tx->surfaceflags = mod_q1bsp_texture_lava.surfaceflags;
1396 else if (!strncmp(tx->name, "*slime", 6))
1398 tx->supercontents = mod_q1bsp_texture_slime.supercontents;
1399 tx->surfaceflags = mod_q1bsp_texture_slime.surfaceflags;
1403 tx->supercontents = mod_q1bsp_texture_water.supercontents;
1404 tx->surfaceflags = mod_q1bsp_texture_water.surfaceflags;
1406 tx->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_LIGHTBOTHSIDES;
1408 else if (tx->name[0] == 's' && tx->name[1] == 'k' && tx->name[2] == 'y')
1410 tx->supercontents = mod_q1bsp_texture_sky.supercontents;
1411 tx->surfaceflags = mod_q1bsp_texture_sky.surfaceflags;
1412 tx->basematerialflags |= MATERIALFLAG_SKY;
1416 tx->supercontents = mod_q1bsp_texture_solid.supercontents;
1417 tx->surfaceflags = mod_q1bsp_texture_solid.surfaceflags;
1418 tx->basematerialflags |= MATERIALFLAG_WALL;
1421 tx->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_TRANSPARENT;
1423 // start out with no animation
1424 tx->currentframe = tx;
1427 // sequence the animations
1428 for (i = 0;i < m->nummiptex;i++)
1430 tx = loadmodel->data_textures + i;
1431 if (!tx || tx->name[0] != '+' || tx->name[1] == 0 || tx->name[2] == 0)
1433 if (tx->anim_total[0] || tx->anim_total[1])
1434 continue; // already sequenced
1436 // find the number of frames in the animation
1437 memset(anims, 0, sizeof(anims));
1438 memset(altanims, 0, sizeof(altanims));
1440 for (j = i;j < m->nummiptex;j++)
1442 tx2 = loadmodel->data_textures + j;
1443 if (!tx2 || tx2->name[0] != '+' || strcmp(tx2->name+2, tx->name+2))
1447 if (num >= '0' && num <= '9')
1448 anims[num - '0'] = tx2;
1449 else if (num >= 'a' && num <= 'j')
1450 altanims[num - 'a'] = tx2;
1452 Con_Printf("Bad animating texture %s\n", tx->name);
1456 for (j = 0;j < 10;j++)
1463 //Con_Printf("linking animation %s (%i:%i frames)\n\n", tx->name, max, altmax);
1466 for (j = 0;j < max;j++)
1470 Con_Printf("Missing frame %i of %s\n", j, tx->name);
1474 for (j = 0;j < altmax;j++)
1478 Con_Printf("Missing altframe %i of %s\n", j, tx->name);
1487 // if there is no alternate animation, duplicate the primary
1488 // animation into the alternate
1490 for (k = 0;k < 10;k++)
1491 altanims[k] = anims[k];
1494 // link together the primary animation
1495 for (j = 0;j < max;j++)
1498 tx2->animated = true;
1499 tx2->anim_total[0] = max;
1500 tx2->anim_total[1] = altmax;
1501 for (k = 0;k < 10;k++)
1503 tx2->anim_frames[0][k] = anims[k];
1504 tx2->anim_frames[1][k] = altanims[k];
1508 // if there really is an alternate anim...
1509 if (anims[0] != altanims[0])
1511 // link together the alternate animation
1512 for (j = 0;j < altmax;j++)
1515 tx2->animated = true;
1516 // the primary/alternate are reversed here
1517 tx2->anim_total[0] = altmax;
1518 tx2->anim_total[1] = max;
1519 for (k = 0;k < 10;k++)
1521 tx2->anim_frames[0][k] = altanims[k];
1522 tx2->anim_frames[1][k] = anims[k];
1529 static void Mod_Q1BSP_LoadLighting(lump_t *l)
1532 unsigned char *in, *out, *data, d;
1533 char litfilename[MAX_QPATH];
1534 char dlitfilename[MAX_QPATH];
1535 fs_offset_t filesize;
1536 if (loadmodel->brush.ishlbsp) // LordHavoc: load the colored lighting data straight
1538 loadmodel->brushq1.lightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, l->filelen);
1539 for (i=0; i<l->filelen; i++)
1540 loadmodel->brushq1.lightdata[i] = mod_base[l->fileofs+i] >>= 1;
1542 else if (loadmodel->brush.ismcbsp)
1544 loadmodel->brushq1.lightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, l->filelen);
1545 memcpy(loadmodel->brushq1.lightdata, mod_base + l->fileofs, l->filelen);
1547 else // LordHavoc: bsp version 29 (normal white lighting)
1549 // LordHavoc: hope is not lost yet, check for a .lit file to load
1550 strlcpy (litfilename, loadmodel->name, sizeof (litfilename));
1551 FS_StripExtension (litfilename, litfilename, sizeof (litfilename));
1552 strlcpy (dlitfilename, litfilename, sizeof (dlitfilename));
1553 strlcat (litfilename, ".lit", sizeof (litfilename));
1554 strlcat (dlitfilename, ".dlit", sizeof (dlitfilename));
1555 data = (unsigned char*) FS_LoadFile(litfilename, tempmempool, false, &filesize);
1558 if (filesize == (fs_offset_t)(8 + l->filelen * 3) && data[0] == 'Q' && data[1] == 'L' && data[2] == 'I' && data[3] == 'T')
1560 i = LittleLong(((int *)data)[1]);
1563 Con_DPrintf("loaded %s\n", litfilename);
1564 loadmodel->brushq1.lightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, filesize - 8);
1565 memcpy(loadmodel->brushq1.lightdata, data + 8, filesize - 8);
1567 data = (unsigned char*) FS_LoadFile(dlitfilename, tempmempool, false, &filesize);
1570 if (filesize == (fs_offset_t)(8 + l->filelen * 3) && data[0] == 'Q' && data[1] == 'L' && data[2] == 'I' && data[3] == 'T')
1572 i = LittleLong(((int *)data)[1]);
1575 Con_DPrintf("loaded %s\n", dlitfilename);
1576 loadmodel->brushq1.nmaplightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, filesize - 8);
1577 memcpy(loadmodel->brushq1.nmaplightdata, data + 8, filesize - 8);
1578 loadmodel->brushq3.deluxemapping_modelspace = false;
1579 loadmodel->brushq3.deluxemapping = true;
1588 Con_Printf("Unknown .lit file version (%d)\n", i);
1590 else if (filesize == 8)
1591 Con_Print("Empty .lit file, ignoring\n");
1593 Con_Printf("Corrupt .lit file (file size %i bytes, should be %i bytes), ignoring\n", filesize, 8 + l->filelen * 3);
1600 // LordHavoc: oh well, expand the white lighting data
1603 loadmodel->brushq1.lightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, l->filelen*3);
1604 in = mod_base + l->fileofs;
1605 out = loadmodel->brushq1.lightdata;
1606 for (i = 0;i < l->filelen;i++)
1616 static void Mod_Q1BSP_LoadVisibility(lump_t *l)
1618 loadmodel->brushq1.num_compressedpvs = 0;
1619 loadmodel->brushq1.data_compressedpvs = NULL;
1622 loadmodel->brushq1.num_compressedpvs = l->filelen;
1623 loadmodel->brushq1.data_compressedpvs = (unsigned char *)Mem_Alloc(loadmodel->mempool, l->filelen);
1624 memcpy(loadmodel->brushq1.data_compressedpvs, mod_base + l->fileofs, l->filelen);
1627 // used only for HalfLife maps
1628 static void Mod_Q1BSP_ParseWadsFromEntityLump(const char *data)
1630 char key[128], value[4096];
1635 if (!COM_ParseToken(&data, false))
1637 if (com_token[0] != '{')
1641 if (!COM_ParseToken(&data, false))
1643 if (com_token[0] == '}')
1644 break; // end of worldspawn
1645 if (com_token[0] == '_')
1646 strcpy(key, com_token + 1);
1648 strcpy(key, com_token);
1649 while (key[strlen(key)-1] == ' ') // remove trailing spaces
1650 key[strlen(key)-1] = 0;
1651 if (!COM_ParseToken(&data, false))
1653 dpsnprintf(value, sizeof(value), "%s", com_token);
1654 if (!strcmp("wad", key)) // for HalfLife maps
1656 if (loadmodel->brush.ishlbsp)
1659 for (i = 0;i < (int)sizeof(value);i++)
1660 if (value[i] != ';' && value[i] != '\\' && value[i] != '/' && value[i] != ':')
1664 for (;i < (int)sizeof(value);i++)
1666 // ignore path - the \\ check is for HalfLife... stupid windoze 'programmers'...
1667 if (value[i] == '\\' || value[i] == '/' || value[i] == ':')
1669 else if (value[i] == ';' || value[i] == 0)
1673 strcpy(wadname, "textures/");
1674 strcat(wadname, &value[j]);
1675 W_LoadTextureWadFile(wadname, false);
1687 static void Mod_Q1BSP_LoadEntities(lump_t *l)
1689 loadmodel->brush.entities = NULL;
1692 loadmodel->brush.entities = (char *)Mem_Alloc(loadmodel->mempool, l->filelen);
1693 memcpy(loadmodel->brush.entities, mod_base + l->fileofs, l->filelen);
1694 if (loadmodel->brush.ishlbsp)
1695 Mod_Q1BSP_ParseWadsFromEntityLump(loadmodel->brush.entities);
1699 static void Mod_Q1BSP_LoadVertexes(lump_t *l)
1705 in = (dvertex_t *)(mod_base + l->fileofs);
1706 if (l->filelen % sizeof(*in))
1707 Host_Error("Mod_Q1BSP_LoadVertexes: funny lump size in %s",loadmodel->name);
1708 count = l->filelen / sizeof(*in);
1709 out = (mvertex_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
1711 loadmodel->brushq1.vertexes = out;
1712 loadmodel->brushq1.numvertexes = count;
1714 for ( i=0 ; i<count ; i++, in++, out++)
1716 out->position[0] = LittleFloat(in->point[0]);
1717 out->position[1] = LittleFloat(in->point[1]);
1718 out->position[2] = LittleFloat(in->point[2]);
1722 // The following two functions should be removed and MSG_* or SZ_* function sets adjusted so they
1723 // can be used for this
1725 int SB_ReadInt (unsigned char **buffer)
1728 i = ((*buffer)[0]) + 256*((*buffer)[1]) + 65536*((*buffer)[2]) + 16777216*((*buffer)[3]);
1734 float SB_ReadFloat (unsigned char **buffer)
1742 u.i = SB_ReadInt (buffer);
1746 static void Mod_Q1BSP_LoadSubmodels(lump_t *l, hullinfo_t *hullinfo)
1748 unsigned char *index;
1752 index = (unsigned char *)(mod_base + l->fileofs);
1753 if (l->filelen % (48+4*hullinfo->filehulls))
1754 Host_Error ("Mod_Q1BSP_LoadSubmodels: funny lump size in %s", loadmodel->name);
1756 count = l->filelen / (48+4*hullinfo->filehulls);
1757 out = (dmodel_t *)Mem_Alloc (loadmodel->mempool, count*sizeof(*out));
1759 loadmodel->brushq1.submodels = out;
1760 loadmodel->brush.numsubmodels = count;
1762 for (i = 0; i < count; i++, out++)
1764 // spread out the mins / maxs by a pixel
1765 out->mins[0] = SB_ReadFloat (&index) - 1;
1766 out->mins[1] = SB_ReadFloat (&index) - 1;
1767 out->mins[2] = SB_ReadFloat (&index) - 1;
1768 out->maxs[0] = SB_ReadFloat (&index) + 1;
1769 out->maxs[1] = SB_ReadFloat (&index) + 1;
1770 out->maxs[2] = SB_ReadFloat (&index) + 1;
1771 out->origin[0] = SB_ReadFloat (&index);
1772 out->origin[1] = SB_ReadFloat (&index);
1773 out->origin[2] = SB_ReadFloat (&index);
1774 for (j = 0; j < hullinfo->filehulls; j++)
1775 out->headnode[j] = SB_ReadInt (&index);
1776 out->visleafs = SB_ReadInt (&index);
1777 out->firstface = SB_ReadInt (&index);
1778 out->numfaces = SB_ReadInt (&index);
1782 static void Mod_Q1BSP_LoadEdges(lump_t *l)
1788 in = (dedge_t *)(mod_base + l->fileofs);
1789 if (l->filelen % sizeof(*in))
1790 Host_Error("Mod_Q1BSP_LoadEdges: funny lump size in %s",loadmodel->name);
1791 count = l->filelen / sizeof(*in);
1792 out = (medge_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
1794 loadmodel->brushq1.edges = out;
1795 loadmodel->brushq1.numedges = count;
1797 for ( i=0 ; i<count ; i++, in++, out++)
1799 out->v[0] = (unsigned short)LittleShort(in->v[0]);
1800 out->v[1] = (unsigned short)LittleShort(in->v[1]);
1801 if (out->v[0] >= loadmodel->brushq1.numvertexes || out->v[1] >= loadmodel->brushq1.numvertexes)
1803 Con_Printf("Mod_Q1BSP_LoadEdges: %s has invalid vertex indices in edge %i (vertices %i %i >= numvertices %i)\n", loadmodel->name, i, out->v[0], out->v[1], loadmodel->brushq1.numvertexes);
1810 static void Mod_Q1BSP_LoadTexinfo(lump_t *l)
1814 int i, j, k, count, miptex;
1816 in = (texinfo_t *)(mod_base + l->fileofs);
1817 if (l->filelen % sizeof(*in))
1818 Host_Error("Mod_Q1BSP_LoadTexinfo: funny lump size in %s",loadmodel->name);
1819 count = l->filelen / sizeof(*in);
1820 out = (mtexinfo_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
1822 loadmodel->brushq1.texinfo = out;
1823 loadmodel->brushq1.numtexinfo = count;
1825 for (i = 0;i < count;i++, in++, out++)
1827 for (k = 0;k < 2;k++)
1828 for (j = 0;j < 4;j++)
1829 out->vecs[k][j] = LittleFloat(in->vecs[k][j]);
1831 miptex = LittleLong(in->miptex);
1832 out->flags = LittleLong(in->flags);
1834 out->texture = NULL;
1835 if (loadmodel->data_textures)
1837 if ((unsigned int) miptex >= (unsigned int) loadmodel->num_textures)
1838 Con_Printf("error in model \"%s\": invalid miptex index %i(of %i)\n", loadmodel->name, miptex, loadmodel->num_textures);
1840 out->texture = loadmodel->data_textures + miptex;
1842 if (out->flags & TEX_SPECIAL)
1844 // if texture chosen is NULL or the shader needs a lightmap,
1845 // force to notexture water shader
1846 if (out->texture == NULL || out->texture->basematerialflags & MATERIALFLAG_WALL)
1847 out->texture = loadmodel->data_textures + (loadmodel->num_textures - 1);
1851 // if texture chosen is NULL, force to notexture
1852 if (out->texture == NULL)
1853 out->texture = loadmodel->data_textures + (loadmodel->num_textures - 2);
1859 void BoundPoly(int numverts, float *verts, vec3_t mins, vec3_t maxs)
1864 mins[0] = mins[1] = mins[2] = 9999;
1865 maxs[0] = maxs[1] = maxs[2] = -9999;
1867 for (i = 0;i < numverts;i++)
1869 for (j = 0;j < 3;j++, v++)
1879 #define MAX_SUBDIVPOLYTRIANGLES 4096
1880 #define MAX_SUBDIVPOLYVERTS(MAX_SUBDIVPOLYTRIANGLES * 3)
1882 static int subdivpolyverts, subdivpolytriangles;
1883 static int subdivpolyindex[MAX_SUBDIVPOLYTRIANGLES][3];
1884 static float subdivpolyvert[MAX_SUBDIVPOLYVERTS][3];
1886 static int subdivpolylookupvert(vec3_t v)
1889 for (i = 0;i < subdivpolyverts;i++)
1890 if (subdivpolyvert[i][0] == v[0]
1891 && subdivpolyvert[i][1] == v[1]
1892 && subdivpolyvert[i][2] == v[2])
1894 if (subdivpolyverts >= MAX_SUBDIVPOLYVERTS)
1895 Host_Error("SubDividePolygon: ran out of vertices in buffer, please increase your r_subdivide_size");
1896 VectorCopy(v, subdivpolyvert[subdivpolyverts]);
1897 return subdivpolyverts++;
1900 static void SubdividePolygon(int numverts, float *verts)
1902 int i, i1, i2, i3, f, b, c, p;
1903 vec3_t mins, maxs, front[256], back[256];
1904 float m, *pv, *cv, dist[256], frac;
1907 Host_Error("SubdividePolygon: ran out of verts in buffer");
1909 BoundPoly(numverts, verts, mins, maxs);
1911 for (i = 0;i < 3;i++)
1913 m = (mins[i] + maxs[i]) * 0.5;
1914 m = r_subdivide_size.value * floor(m/r_subdivide_size.value + 0.5);
1915 if (maxs[i] - m < 8)
1917 if (m - mins[i] < 8)
1921 for (cv = verts, c = 0;c < numverts;c++, cv += 3)
1922 dist[c] = cv[i] - m;
1925 for (p = numverts - 1, c = 0, pv = verts + p * 3, cv = verts;c < numverts;p = c, c++, pv = cv, cv += 3)
1929 VectorCopy(pv, front[f]);
1934 VectorCopy(pv, back[b]);
1937 if (dist[p] == 0 || dist[c] == 0)
1939 if ((dist[p] > 0) != (dist[c] > 0) )
1942 frac = dist[p] / (dist[p] - dist[c]);
1943 front[f][0] = back[b][0] = pv[0] + frac * (cv[0] - pv[0]);
1944 front[f][1] = back[b][1] = pv[1] + frac * (cv[1] - pv[1]);
1945 front[f][2] = back[b][2] = pv[2] + frac * (cv[2] - pv[2]);
1951 SubdividePolygon(f, front[0]);
1952 SubdividePolygon(b, back[0]);
1956 i1 = subdivpolylookupvert(verts);
1957 i2 = subdivpolylookupvert(verts + 3);
1958 for (i = 2;i < numverts;i++)
1960 if (subdivpolytriangles >= MAX_SUBDIVPOLYTRIANGLES)
1962 Con_Print("SubdividePolygon: ran out of triangles in buffer, please increase your r_subdivide_size\n");
1966 i3 = subdivpolylookupvert(verts + i * 3);
1967 subdivpolyindex[subdivpolytriangles][0] = i1;
1968 subdivpolyindex[subdivpolytriangles][1] = i2;
1969 subdivpolyindex[subdivpolytriangles][2] = i3;
1971 subdivpolytriangles++;
1975 //Breaks a polygon up along axial 64 unit
1976 //boundaries so that turbulent and sky warps
1977 //can be done reasonably.
1978 static void Mod_Q1BSP_GenerateWarpMesh(msurface_t *surface)
1984 subdivpolytriangles = 0;
1985 subdivpolyverts = 0;
1986 SubdividePolygon(surface->num_vertices, (surface->mesh->data_vertex3f + 3 * surface->num_firstvertex));
1987 if (subdivpolytriangles < 1)
1988 Host_Error("Mod_Q1BSP_GenerateWarpMesh: no triangles?");
1990 surface->mesh = mesh = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t) + subdivpolytriangles * sizeof(int[3]) + subdivpolyverts * sizeof(surfvertex_t));
1991 mesh->num_vertices = subdivpolyverts;
1992 mesh->num_triangles = subdivpolytriangles;
1993 mesh->vertex = (surfvertex_t *)(mesh + 1);
1994 mesh->index = (int *)(mesh->vertex + mesh->num_vertices);
1995 memset(mesh->vertex, 0, mesh->num_vertices * sizeof(surfvertex_t));
1997 for (i = 0;i < mesh->num_triangles;i++)
1998 for (j = 0;j < 3;j++)
1999 mesh->index[i*3+j] = subdivpolyindex[i][j];
2001 for (i = 0, v = mesh->vertex;i < subdivpolyverts;i++, v++)
2003 VectorCopy(subdivpolyvert[i], v->v);
2004 v->st[0] = DotProduct(v->v, surface->lightmapinfo->texinfo->vecs[0]);
2005 v->st[1] = DotProduct(v->v, surface->lightmapinfo->texinfo->vecs[1]);
2010 static qboolean Mod_Q1BSP_AllocLightmapBlock(int *lineused, int totalwidth, int totalheight, int blockwidth, int blockheight, int *outx, int *outy)
2013 int bestx = totalwidth, besty = 0;
2014 // find the left-most space we can find
2015 for (y = 0;y <= totalheight - blockheight;y++)
2018 for (y2 = 0;y2 < blockheight;y2++)
2019 x2 = max(x2, lineused[y+y2]);
2026 // if the best was not good enough, return failure
2027 if (bestx > totalwidth - blockwidth)
2029 // we found a good spot
2034 // now mark the space used
2035 for (y2 = 0;y2 < blockheight;y2++)
2036 lineused[besty+y2] = bestx + blockwidth;
2041 static void Mod_Q1BSP_LoadFaces(lump_t *l)
2044 msurface_t *surface;
2045 int i, j, count, surfacenum, planenum, smax, tmax, ssize, tsize, firstedge, numedges, totalverts, totaltris, lightmapnumber;
2046 float texmins[2], texmaxs[2], val, lightmaptexcoordscale;
2047 #define LIGHTMAPSIZE 256
2048 rtexture_t *lightmaptexture, *deluxemaptexture;
2049 int lightmap_lineused[LIGHTMAPSIZE];
2051 in = (dface_t *)(mod_base + l->fileofs);
2052 if (l->filelen % sizeof(*in))
2053 Host_Error("Mod_Q1BSP_LoadFaces: funny lump size in %s",loadmodel->name);
2054 count = l->filelen / sizeof(*in);
2055 loadmodel->data_surfaces = (msurface_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(msurface_t));
2056 loadmodel->data_surfaces_lightmapinfo = (msurface_lightmapinfo_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(msurface_lightmapinfo_t));
2058 loadmodel->num_surfaces = count;
2062 for (surfacenum = 0, in = (dface_t *)(mod_base + l->fileofs);surfacenum < count;surfacenum++, in++)
2064 numedges = LittleShort(in->numedges);
2065 totalverts += numedges;
2066 totaltris += numedges - 2;
2069 Mod_AllocSurfMesh(loadmodel->mempool, totalverts, totaltris, true, false, false);
2071 lightmaptexture = NULL;
2072 deluxemaptexture = r_texture_blanknormalmap;
2074 lightmaptexcoordscale = 1.0f / (float)LIGHTMAPSIZE;
2078 for (surfacenum = 0, in = (dface_t *)(mod_base + l->fileofs), surface = loadmodel->data_surfaces;surfacenum < count;surfacenum++, in++, surface++)
2080 surface->lightmapinfo = loadmodel->data_surfaces_lightmapinfo + surfacenum;
2082 // FIXME: validate edges, texinfo, etc?
2083 firstedge = LittleLong(in->firstedge);
2084 numedges = LittleShort(in->numedges);
2085 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)
2086 Host_Error("Mod_Q1BSP_LoadFaces: invalid edge range (firstedge %i, numedges %i, model edges %i)", firstedge, numedges, loadmodel->brushq1.numsurfedges);
2087 i = LittleShort(in->texinfo);
2088 if ((unsigned int) i >= (unsigned int) loadmodel->brushq1.numtexinfo)
2089 Host_Error("Mod_Q1BSP_LoadFaces: invalid texinfo index %i(model has %i texinfos)", i, loadmodel->brushq1.numtexinfo);
2090 surface->lightmapinfo->texinfo = loadmodel->brushq1.texinfo + i;
2091 surface->texture = surface->lightmapinfo->texinfo->texture;
2093 planenum = LittleShort(in->planenum);
2094 if ((unsigned int) planenum >= (unsigned int) loadmodel->brush.num_planes)
2095 Host_Error("Mod_Q1BSP_LoadFaces: invalid plane index %i (model has %i planes)", planenum, loadmodel->brush.num_planes);
2097 //surface->flags = surface->texture->flags;
2098 //if (LittleShort(in->side))
2099 // surface->flags |= SURF_PLANEBACK;
2100 //surface->plane = loadmodel->brush.data_planes + planenum;
2102 surface->num_firstvertex = totalverts;
2103 surface->num_vertices = numedges;
2104 surface->num_firsttriangle = totaltris;
2105 surface->num_triangles = numedges - 2;
2106 totalverts += numedges;
2107 totaltris += numedges - 2;
2109 // convert edges back to a normal polygon
2110 for (i = 0;i < surface->num_vertices;i++)
2112 int lindex = loadmodel->brushq1.surfedges[firstedge + i];
2115 VectorCopy(loadmodel->brushq1.vertexes[loadmodel->brushq1.edges[lindex].v[0]].position, (loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3);
2117 VectorCopy(loadmodel->brushq1.vertexes[loadmodel->brushq1.edges[-lindex].v[1]].position, (loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3);
2118 s = DotProduct(((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3), surface->lightmapinfo->texinfo->vecs[0]) + surface->lightmapinfo->texinfo->vecs[0][3];
2119 t = DotProduct(((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3), surface->lightmapinfo->texinfo->vecs[1]) + surface->lightmapinfo->texinfo->vecs[1][3];
2120 (loadmodel->surfmesh.data_texcoordtexture2f + 2 * surface->num_firstvertex)[i * 2 + 0] = s / surface->texture->width;
2121 (loadmodel->surfmesh.data_texcoordtexture2f + 2 * surface->num_firstvertex)[i * 2 + 1] = t / surface->texture->height;
2122 (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 0] = 0;
2123 (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 1] = 0;
2124 (loadmodel->surfmesh.data_lightmapoffsets + surface->num_firstvertex)[i] = 0;
2127 for (i = 0;i < surface->num_triangles;i++)
2129 (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle)[i * 3 + 0] = 0 + surface->num_firstvertex;
2130 (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle)[i * 3 + 1] = i + 1 + surface->num_firstvertex;
2131 (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle)[i * 3 + 2] = i + 2 + surface->num_firstvertex;
2134 // compile additional data about the surface geometry
2135 Mod_BuildNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, loadmodel->surfmesh.data_vertex3f, (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle), loadmodel->surfmesh.data_normal3f, true);
2136 Mod_BuildTextureVectorsFromNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle), loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, true);
2137 BoxFromPoints(surface->mins, surface->maxs, surface->num_vertices, (loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex));
2139 // generate surface extents information
2140 texmins[0] = texmaxs[0] = DotProduct((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex), surface->lightmapinfo->texinfo->vecs[0]) + surface->lightmapinfo->texinfo->vecs[0][3];
2141 texmins[1] = texmaxs[1] = DotProduct((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex), surface->lightmapinfo->texinfo->vecs[1]) + surface->lightmapinfo->texinfo->vecs[1][3];
2142 for (i = 1;i < surface->num_vertices;i++)
2144 for (j = 0;j < 2;j++)
2146 val = DotProduct((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3, surface->lightmapinfo->texinfo->vecs[j]) + surface->lightmapinfo->texinfo->vecs[j][3];
2147 texmins[j] = min(texmins[j], val);
2148 texmaxs[j] = max(texmaxs[j], val);
2151 for (i = 0;i < 2;i++)
2153 surface->lightmapinfo->texturemins[i] = (int) floor(texmins[i] / 16.0) * 16;
2154 surface->lightmapinfo->extents[i] = (int) ceil(texmaxs[i] / 16.0) * 16 - surface->lightmapinfo->texturemins[i];
2157 smax = surface->lightmapinfo->extents[0] >> 4;
2158 tmax = surface->lightmapinfo->extents[1] >> 4;
2159 ssize = (surface->lightmapinfo->extents[0] >> 4) + 1;
2160 tsize = (surface->lightmapinfo->extents[1] >> 4) + 1;
2163 for (i = 0;i < MAXLIGHTMAPS;i++)
2164 surface->lightmapinfo->styles[i] = in->styles[i];
2165 surface->lightmaptexture = NULL;
2166 surface->deluxemaptexture = r_texture_blanknormalmap;
2167 i = LittleLong(in->lightofs);
2170 surface->lightmapinfo->samples = NULL;
2171 // give non-lightmapped water a 1x white lightmap
2172 if ((surface->texture->basematerialflags & MATERIALFLAG_WATER) && (surface->lightmapinfo->texinfo->flags & TEX_SPECIAL) && ssize <= 256 && tsize <= 256)
2174 surface->lightmapinfo->samples = (unsigned char *)Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
2175 surface->lightmapinfo->styles[0] = 0;
2176 memset(surface->lightmapinfo->samples, 128, ssize * tsize * 3);
2179 else if (loadmodel->brush.ishlbsp) // LordHavoc: HalfLife map (bsp version 30)
2180 surface->lightmapinfo->samples = loadmodel->brushq1.lightdata + i;
2181 else // LordHavoc: white lighting (bsp version 29)
2183 surface->lightmapinfo->samples = loadmodel->brushq1.lightdata + (i * 3);
2184 if (loadmodel->brushq1.nmaplightdata)
2185 surface->lightmapinfo->nmapsamples = loadmodel->brushq1.nmaplightdata + (i * 3);
2188 // check if we should apply a lightmap to this
2189 if (!(surface->lightmapinfo->texinfo->flags & TEX_SPECIAL) || surface->lightmapinfo->samples)
2191 int i, iu, iv, lightmapx, lightmapy;
2192 float u, v, ubase, vbase, uscale, vscale;
2194 if (ssize > 256 || tsize > 256)
2195 Host_Error("Bad surface extents");
2196 // force lightmap upload on first time seeing the surface
2197 surface->cached_dlight = true;
2198 // stainmap for permanent marks on walls
2199 surface->lightmapinfo->stainsamples = (unsigned char *)Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
2201 memset(surface->lightmapinfo->stainsamples, 255, ssize * tsize * 3);
2203 // find a place for this lightmap
2204 if (!lightmaptexture || !Mod_Q1BSP_AllocLightmapBlock(lightmap_lineused, LIGHTMAPSIZE, LIGHTMAPSIZE, ssize, tsize, &lightmapx, &lightmapy))
2206 // could not find room, make a new lightmap
2207 lightmaptexture = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%i", lightmapnumber), LIGHTMAPSIZE, LIGHTMAPSIZE, NULL, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
2208 if (loadmodel->brushq1.nmaplightdata)
2209 deluxemaptexture = R_LoadTexture2D(loadmodel->texturepool, va("deluxemap%i", lightmapnumber), LIGHTMAPSIZE, LIGHTMAPSIZE, NULL, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
2211 memset(lightmap_lineused, 0, sizeof(lightmap_lineused));
2212 Mod_Q1BSP_AllocLightmapBlock(lightmap_lineused, LIGHTMAPSIZE, LIGHTMAPSIZE, ssize, tsize, &lightmapx, &lightmapy);
2215 surface->lightmaptexture = lightmaptexture;
2216 surface->deluxemaptexture = deluxemaptexture;
2217 surface->lightmapinfo->lightmaporigin[0] = lightmapx;
2218 surface->lightmapinfo->lightmaporigin[1] = lightmapy;
2220 ubase = lightmapx * lightmaptexcoordscale;
2221 vbase = lightmapy * lightmaptexcoordscale;
2222 uscale = lightmaptexcoordscale;
2223 vscale = lightmaptexcoordscale;
2225 for (i = 0;i < surface->num_vertices;i++)
2227 u = ((DotProduct(((loadmodel->surfmesh.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);
2228 v = ((DotProduct(((loadmodel->surfmesh.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);
2229 (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 0] = u * uscale + ubase;
2230 (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 1] = v * vscale + vbase;
2231 // LordHavoc: calc lightmap data offset for vertex lighting to use
2234 (loadmodel->surfmesh.data_lightmapoffsets + surface->num_firstvertex)[i] = (bound(0, iv, tmax) * ssize + bound(0, iu, smax)) * 3;
2240 static void Mod_Q1BSP_LoadNodes_RecursiveSetParent(mnode_t *node, mnode_t *parent)
2243 // Host_Error("Mod_Q1BSP_LoadNodes_RecursiveSetParent: runaway recursion");
2244 node->parent = parent;
2247 Mod_Q1BSP_LoadNodes_RecursiveSetParent(node->children[0], node);
2248 Mod_Q1BSP_LoadNodes_RecursiveSetParent(node->children[1], node);
2252 static void Mod_Q1BSP_LoadNodes(lump_t *l)
2258 in = (dnode_t *)(mod_base + l->fileofs);
2259 if (l->filelen % sizeof(*in))
2260 Host_Error("Mod_Q1BSP_LoadNodes: funny lump size in %s",loadmodel->name);
2261 count = l->filelen / sizeof(*in);
2262 out = (mnode_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
2264 loadmodel->brush.data_nodes = out;
2265 loadmodel->brush.num_nodes = count;
2267 for ( i=0 ; i<count ; i++, in++, out++)
2269 for (j=0 ; j<3 ; j++)
2271 out->mins[j] = LittleShort(in->mins[j]);
2272 out->maxs[j] = LittleShort(in->maxs[j]);
2275 p = LittleLong(in->planenum);
2276 out->plane = loadmodel->brush.data_planes + p;
2278 out->firstsurface = LittleShort(in->firstface);
2279 out->numsurfaces = LittleShort(in->numfaces);
2281 for (j=0 ; j<2 ; j++)
2283 p = LittleShort(in->children[j]);
2285 out->children[j] = loadmodel->brush.data_nodes + p;
2287 out->children[j] = (mnode_t *)(loadmodel->brush.data_leafs + (-1 - p));
2291 Mod_Q1BSP_LoadNodes_RecursiveSetParent(loadmodel->brush.data_nodes, NULL); // sets nodes and leafs
2294 static void Mod_Q1BSP_LoadLeafs(lump_t *l)
2300 in = (dleaf_t *)(mod_base + l->fileofs);
2301 if (l->filelen % sizeof(*in))
2302 Host_Error("Mod_Q1BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
2303 count = l->filelen / sizeof(*in);
2304 out = (mleaf_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
2306 loadmodel->brush.data_leafs = out;
2307 loadmodel->brush.num_leafs = count;
2308 // get visleafs from the submodel data
2309 loadmodel->brush.num_pvsclusters = loadmodel->brushq1.submodels[0].visleafs;
2310 loadmodel->brush.num_pvsclusterbytes = (loadmodel->brush.num_pvsclusters+7)>>3;
2311 loadmodel->brush.data_pvsclusters = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_pvsclusters * loadmodel->brush.num_pvsclusterbytes);
2312 memset(loadmodel->brush.data_pvsclusters, 0xFF, loadmodel->brush.num_pvsclusters * loadmodel->brush.num_pvsclusterbytes);
2314 for ( i=0 ; i<count ; i++, in++, out++)
2316 for (j=0 ; j<3 ; j++)
2318 out->mins[j] = LittleShort(in->mins[j]);
2319 out->maxs[j] = LittleShort(in->maxs[j]);
2322 // FIXME: this function could really benefit from some error checking
2324 out->contents = LittleLong(in->contents);
2326 out->firstleafsurface = loadmodel->brush.data_leafsurfaces + LittleShort(in->firstmarksurface);
2327 out->numleafsurfaces = LittleShort(in->nummarksurfaces);
2328 if (out->firstleafsurface < 0 || LittleShort(in->firstmarksurface) + out->numleafsurfaces > loadmodel->brush.num_leafsurfaces)
2330 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);
2331 out->firstleafsurface = NULL;
2332 out->numleafsurfaces = 0;
2335 out->clusterindex = i - 1;
2336 if (out->clusterindex >= loadmodel->brush.num_pvsclusters)
2337 out->clusterindex = -1;
2339 p = LittleLong(in->visofs);
2340 // ignore visofs errors on leaf 0 (solid)
2341 if (p >= 0 && out->clusterindex >= 0)
2343 if (p >= loadmodel->brushq1.num_compressedpvs)
2344 Con_Print("Mod_Q1BSP_LoadLeafs: invalid visofs\n");
2346 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);
2349 for (j = 0;j < 4;j++)
2350 out->ambient_sound_level[j] = in->ambient_level[j];
2352 // FIXME: Insert caustics here
2356 static void Mod_Q1BSP_LoadClipnodes(lump_t *l, hullinfo_t *hullinfo)
2358 dclipnode_t *in, *out;
2362 in = (dclipnode_t *)(mod_base + l->fileofs);
2363 if (l->filelen % sizeof(*in))
2364 Host_Error("Mod_Q1BSP_LoadClipnodes: funny lump size in %s",loadmodel->name);
2365 count = l->filelen / sizeof(*in);
2366 out = (dclipnode_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
2368 loadmodel->brushq1.clipnodes = out;
2369 loadmodel->brushq1.numclipnodes = count;
2371 for (i = 1; i < hullinfo->numhulls; i++)
2373 hull = &loadmodel->brushq1.hulls[i];
2374 hull->clipnodes = out;
2375 hull->firstclipnode = 0;
2376 hull->lastclipnode = count-1;
2377 hull->planes = loadmodel->brush.data_planes;
2378 hull->clip_mins[0] = hullinfo->hullsizes[i][0][0];
2379 hull->clip_mins[1] = hullinfo->hullsizes[i][0][1];
2380 hull->clip_mins[2] = hullinfo->hullsizes[i][0][2];
2381 hull->clip_maxs[0] = hullinfo->hullsizes[i][1][0];
2382 hull->clip_maxs[1] = hullinfo->hullsizes[i][1][1];
2383 hull->clip_maxs[2] = hullinfo->hullsizes[i][1][2];
2384 VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
2387 for (i=0 ; i<count ; i++, out++, in++)
2389 out->planenum = LittleLong(in->planenum);
2390 out->children[0] = LittleShort(in->children[0]);
2391 out->children[1] = LittleShort(in->children[1]);
2392 if (out->planenum < 0 || out->planenum >= loadmodel->brush.num_planes)
2393 Host_Error("Corrupt clipping hull(out of range planenum)");
2394 if (out->children[0] >= count || out->children[1] >= count)
2395 Host_Error("Corrupt clipping hull(out of range child)");
2399 //Duplicate the drawing hull structure as a clipping hull
2400 static void Mod_Q1BSP_MakeHull0(void)
2407 hull = &loadmodel->brushq1.hulls[0];
2409 in = loadmodel->brush.data_nodes;
2410 out = (dclipnode_t *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_nodes * sizeof(dclipnode_t));
2412 hull->clipnodes = out;
2413 hull->firstclipnode = 0;
2414 hull->lastclipnode = loadmodel->brush.num_nodes - 1;
2415 hull->planes = loadmodel->brush.data_planes;
2417 for (i = 0;i < loadmodel->brush.num_nodes;i++, out++, in++)
2419 out->planenum = in->plane - loadmodel->brush.data_planes;
2420 out->children[0] = in->children[0]->plane ? in->children[0] - loadmodel->brush.data_nodes : ((mleaf_t *)in->children[0])->contents;
2421 out->children[1] = in->children[1]->plane ? in->children[1] - loadmodel->brush.data_nodes : ((mleaf_t *)in->children[1])->contents;
2425 static void Mod_Q1BSP_LoadLeaffaces(lump_t *l)
2430 in = (short *)(mod_base + l->fileofs);
2431 if (l->filelen % sizeof(*in))
2432 Host_Error("Mod_Q1BSP_LoadLeaffaces: funny lump size in %s",loadmodel->name);
2433 loadmodel->brush.num_leafsurfaces = l->filelen / sizeof(*in);
2434 loadmodel->brush.data_leafsurfaces = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_leafsurfaces * sizeof(int));
2436 for (i = 0;i < loadmodel->brush.num_leafsurfaces;i++)
2438 j = (unsigned) LittleShort(in[i]);
2439 if (j >= loadmodel->num_surfaces)
2440 Host_Error("Mod_Q1BSP_LoadLeaffaces: bad surface number");
2441 loadmodel->brush.data_leafsurfaces[i] = j;
2445 static void Mod_Q1BSP_LoadSurfedges(lump_t *l)
2450 in = (int *)(mod_base + l->fileofs);
2451 if (l->filelen % sizeof(*in))
2452 Host_Error("Mod_Q1BSP_LoadSurfedges: funny lump size in %s",loadmodel->name);
2453 loadmodel->brushq1.numsurfedges = l->filelen / sizeof(*in);
2454 loadmodel->brushq1.surfedges = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.numsurfedges * sizeof(int));
2456 for (i = 0;i < loadmodel->brushq1.numsurfedges;i++)
2457 loadmodel->brushq1.surfedges[i] = LittleLong(in[i]);
2461 static void Mod_Q1BSP_LoadPlanes(lump_t *l)
2467 in = (dplane_t *)(mod_base + l->fileofs);
2468 if (l->filelen % sizeof(*in))
2469 Host_Error("Mod_Q1BSP_LoadPlanes: funny lump size in %s", loadmodel->name);
2471 loadmodel->brush.num_planes = l->filelen / sizeof(*in);
2472 loadmodel->brush.data_planes = out = (mplane_t *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_planes * sizeof(*out));
2474 for (i = 0;i < loadmodel->brush.num_planes;i++, in++, out++)
2476 out->normal[0] = LittleFloat(in->normal[0]);
2477 out->normal[1] = LittleFloat(in->normal[1]);
2478 out->normal[2] = LittleFloat(in->normal[2]);
2479 out->dist = LittleFloat(in->dist);
2485 static void Mod_Q1BSP_LoadMapBrushes(void)
2489 int submodel, numbrushes;
2490 qboolean firstbrush;
2491 char *text, *maptext;
2492 char mapfilename[MAX_QPATH];
2493 FS_StripExtension (loadmodel->name, mapfilename, sizeof (mapfilename));
2494 strlcat (mapfilename, ".map", sizeof (mapfilename));
2495 maptext = (unsigned char*) FS_LoadFile(mapfilename, tempmempool, false, NULL);
2499 if (!COM_ParseToken(&data, false))
2504 if (!COM_ParseToken(&data, false))
2506 if (com_token[0] != '{')
2512 brushes = Mem_Alloc(loadmodel->mempool, maxbrushes * sizeof(mbrush_t));
2515 if (!COM_ParseToken(&data, false))
2517 if (com_token[0] == '}')
2518 break; // end of entity
2519 if (com_token[0] == '{')
2526 if (submodel > loadmodel->brush.numsubmodels)
2528 Con_Printf("Mod_Q1BSP_LoadMapBrushes: .map has more submodels than .bsp!\n");
2532 model = loadmodel->brush.submodels[submodel];
2539 if (!COM_ParseToken(&data, false))
2541 if (com_token[0] == '}')
2542 break; // end of brush
2543 // each brush face should be this format:
2544 // ( x y z ) ( x y z ) ( x y z ) texture scroll_s scroll_t rotateangle scale_s scale_t
2545 // FIXME: support hl .map format
2546 for (pointnum = 0;pointnum < 3;pointnum++)
2548 COM_ParseToken(&data, false);
2549 for (componentnum = 0;componentnum < 3;componentnum++)
2551 COM_ParseToken(&data, false);
2552 point[pointnum][componentnum] = atof(com_token);
2554 COM_ParseToken(&data, false);
2556 COM_ParseToken(&data, false);
2557 strlcpy(facetexture, com_token, sizeof(facetexture));
2558 COM_ParseToken(&data, false);
2559 //scroll_s = atof(com_token);
2560 COM_ParseToken(&data, false);
2561 //scroll_t = atof(com_token);
2562 COM_ParseToken(&data, false);
2563 //rotate = atof(com_token);
2564 COM_ParseToken(&data, false);
2565 //scale_s = atof(com_token);
2566 COM_ParseToken(&data, false);
2567 //scale_t = atof(com_token);
2568 TriangleNormal(point[0], point[1], point[2], planenormal);
2569 VectorNormalizeDouble(planenormal);
2570 planedist = DotProduct(point[0], planenormal);
2571 //ChooseTexturePlane(planenormal, texturevector[0], texturevector[1]);
2581 #define MAX_PORTALPOINTS 64
2583 typedef struct portal_s
2586 mnode_t *nodes[2]; // [0] = front side of plane
2587 struct portal_s *next[2];
2589 double points[3*MAX_PORTALPOINTS];
2590 struct portal_s *chain; // all portals are linked into a list
2594 static portal_t *portalchain;
2601 static portal_t *AllocPortal(void)
2604 p = (portal_t *)Mem_Alloc(loadmodel->mempool, sizeof(portal_t));
2605 p->chain = portalchain;
2610 static void FreePortal(portal_t *p)
2615 static void Mod_Q1BSP_RecursiveRecalcNodeBBox(mnode_t *node)
2617 // process only nodes (leafs already had their box calculated)
2621 // calculate children first
2622 Mod_Q1BSP_RecursiveRecalcNodeBBox(node->children[0]);
2623 Mod_Q1BSP_RecursiveRecalcNodeBBox(node->children[1]);
2625 // make combined bounding box from children
2626 node->mins[0] = min(node->children[0]->mins[0], node->children[1]->mins[0]);
2627 node->mins[1] = min(node->children[0]->mins[1], node->children[1]->mins[1]);
2628 node->mins[2] = min(node->children[0]->mins[2], node->children[1]->mins[2]);
2629 node->maxs[0] = max(node->children[0]->maxs[0], node->children[1]->maxs[0]);
2630 node->maxs[1] = max(node->children[0]->maxs[1], node->children[1]->maxs[1]);
2631 node->maxs[2] = max(node->children[0]->maxs[2], node->children[1]->maxs[2]);
2634 static void Mod_Q1BSP_FinalizePortals(void)
2636 int i, j, numportals, numpoints;
2637 portal_t *p, *pnext;
2640 mleaf_t *leaf, *endleaf;
2642 // tally up portal and point counts and recalculate bounding boxes for all
2643 // leafs (because qbsp is very sloppy)
2644 leaf = loadmodel->brush.data_leafs;
2645 endleaf = leaf + loadmodel->brush.num_leafs;
2646 for (;leaf < endleaf;leaf++)
2648 VectorSet(leaf->mins, 2000000000, 2000000000, 2000000000);
2649 VectorSet(leaf->maxs, -2000000000, -2000000000, -2000000000);
2656 // note: this check must match the one below or it will usually corrupt memory
2657 // 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
2658 if (p->numpoints >= 3 && p->nodes[0] != p->nodes[1] && ((mleaf_t *)p->nodes[0])->clusterindex >= 0 && ((mleaf_t *)p->nodes[1])->clusterindex >= 0)
2661 numpoints += p->numpoints * 2;
2665 loadmodel->brush.data_portals = (mportal_t *)Mem_Alloc(loadmodel->mempool, numportals * sizeof(mportal_t) + numpoints * sizeof(mvertex_t));
2666 loadmodel->brush.num_portals = numportals;
2667 loadmodel->brush.data_portalpoints = (mvertex_t *)((unsigned char *) loadmodel->brush.data_portals + numportals * sizeof(mportal_t));
2668 loadmodel->brush.num_portalpoints = numpoints;
2669 // clear all leaf portal chains
2670 for (i = 0;i < loadmodel->brush.num_leafs;i++)
2671 loadmodel->brush.data_leafs[i].portals = NULL;
2672 // process all portals in the global portal chain, while freeing them
2673 portal = loadmodel->brush.data_portals;
2674 point = loadmodel->brush.data_portalpoints;
2681 if (p->numpoints >= 3 && p->nodes[0] != p->nodes[1])
2683 // note: this check must match the one above or it will usually corrupt memory
2684 // 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
2685 if (((mleaf_t *)p->nodes[0])->clusterindex >= 0 && ((mleaf_t *)p->nodes[1])->clusterindex >= 0)
2687 // first make the back to front portal(forward portal)
2688 portal->points = point;
2689 portal->numpoints = p->numpoints;
2690 portal->plane.dist = p->plane.dist;
2691 VectorCopy(p->plane.normal, portal->plane.normal);
2692 portal->here = (mleaf_t *)p->nodes[1];
2693 portal->past = (mleaf_t *)p->nodes[0];
2695 for (j = 0;j < portal->numpoints;j++)
2697 VectorCopy(p->points + j*3, point->position);
2700 BoxFromPoints(portal->mins, portal->maxs, portal->numpoints, portal->points->position);
2701 PlaneClassify(&portal->plane);
2703 // link into leaf's portal chain
2704 portal->next = portal->here->portals;
2705 portal->here->portals = portal;
2707 // advance to next portal
2710 // then make the front to back portal(backward portal)
2711 portal->points = point;
2712 portal->numpoints = p->numpoints;
2713 portal->plane.dist = -p->plane.dist;
2714 VectorNegate(p->plane.normal, portal->plane.normal);
2715 portal->here = (mleaf_t *)p->nodes[0];
2716 portal->past = (mleaf_t *)p->nodes[1];
2718 for (j = portal->numpoints - 1;j >= 0;j--)
2720 VectorCopy(p->points + j*3, point->position);
2723 BoxFromPoints(portal->mins, portal->maxs, portal->numpoints, portal->points->position);
2724 PlaneClassify(&portal->plane);
2726 // link into leaf's portal chain
2727 portal->next = portal->here->portals;
2728 portal->here->portals = portal;
2730 // advance to next portal
2733 // add the portal's polygon points to the leaf bounding boxes
2734 for (i = 0;i < 2;i++)
2736 leaf = (mleaf_t *)p->nodes[i];
2737 for (j = 0;j < p->numpoints;j++)
2739 if (leaf->mins[0] > p->points[j*3+0]) leaf->mins[0] = p->points[j*3+0];
2740 if (leaf->mins[1] > p->points[j*3+1]) leaf->mins[1] = p->points[j*3+1];
2741 if (leaf->mins[2] > p->points[j*3+2]) leaf->mins[2] = p->points[j*3+2];
2742 if (leaf->maxs[0] < p->points[j*3+0]) leaf->maxs[0] = p->points[j*3+0];
2743 if (leaf->maxs[1] < p->points[j*3+1]) leaf->maxs[1] = p->points[j*3+1];
2744 if (leaf->maxs[2] < p->points[j*3+2]) leaf->maxs[2] = p->points[j*3+2];
2751 // now recalculate the node bounding boxes from the leafs
2752 Mod_Q1BSP_RecursiveRecalcNodeBBox(loadmodel->brush.data_nodes);
2760 static void AddPortalToNodes(portal_t *p, mnode_t *front, mnode_t *back)
2763 Host_Error("AddPortalToNodes: NULL front node");
2765 Host_Error("AddPortalToNodes: NULL back node");
2766 if (p->nodes[0] || p->nodes[1])
2767 Host_Error("AddPortalToNodes: already included");
2768 // 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
2770 p->nodes[0] = front;
2771 p->next[0] = (portal_t *)front->portals;
2772 front->portals = (mportal_t *)p;
2775 p->next[1] = (portal_t *)back->portals;
2776 back->portals = (mportal_t *)p;
2781 RemovePortalFromNode
2784 static void RemovePortalFromNodes(portal_t *portal)
2788 void **portalpointer;
2790 for (i = 0;i < 2;i++)
2792 node = portal->nodes[i];
2794 portalpointer = (void **) &node->portals;
2797 t = (portal_t *)*portalpointer;
2799 Host_Error("RemovePortalFromNodes: portal not in leaf");
2803 if (portal->nodes[0] == node)
2805 *portalpointer = portal->next[0];
2806 portal->nodes[0] = NULL;
2808 else if (portal->nodes[1] == node)
2810 *portalpointer = portal->next[1];
2811 portal->nodes[1] = NULL;
2814 Host_Error("RemovePortalFromNodes: portal not bounding leaf");
2818 if (t->nodes[0] == node)
2819 portalpointer = (void **) &t->next[0];
2820 else if (t->nodes[1] == node)
2821 portalpointer = (void **) &t->next[1];
2823 Host_Error("RemovePortalFromNodes: portal not bounding leaf");
2828 static void Mod_Q1BSP_RecursiveNodePortals(mnode_t *node)
2831 mnode_t *front, *back, *other_node;
2832 mplane_t clipplane, *plane;
2833 portal_t *portal, *nextportal, *nodeportal, *splitportal, *temp;
2834 int numfrontpoints, numbackpoints;
2835 double frontpoints[3*MAX_PORTALPOINTS], backpoints[3*MAX_PORTALPOINTS];
2837 // if a leaf, we're done
2841 plane = node->plane;
2843 front = node->children[0];
2844 back = node->children[1];
2846 Host_Error("Mod_Q1BSP_RecursiveNodePortals: corrupt node hierarchy");
2848 // create the new portal by generating a polygon for the node plane,
2849 // and clipping it by all of the other portals(which came from nodes above this one)
2850 nodeportal = AllocPortal();
2851 nodeportal->plane = *plane;
2853 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);
2854 nodeportal->numpoints = 4;
2855 side = 0; // shut up compiler warning
2856 for (portal = (portal_t *)node->portals;portal;portal = portal->next[side])
2858 clipplane = portal->plane;
2859 if (portal->nodes[0] == portal->nodes[1])
2860 Host_Error("Mod_Q1BSP_RecursiveNodePortals: portal has same node on both sides(1)");
2861 if (portal->nodes[0] == node)
2863 else if (portal->nodes[1] == node)
2865 clipplane.dist = -clipplane.dist;
2866 VectorNegate(clipplane.normal, clipplane.normal);
2870 Host_Error("Mod_Q1BSP_RecursiveNodePortals: mislinked portal");
2872 for (i = 0;i < nodeportal->numpoints*3;i++)
2873 frontpoints[i] = nodeportal->points[i];
2874 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, NULL);
2875 if (nodeportal->numpoints <= 0 || nodeportal->numpoints >= MAX_PORTALPOINTS)
2879 if (nodeportal->numpoints < 3)
2881 Con_Print("Mod_Q1BSP_RecursiveNodePortals: WARNING: new portal was clipped away\n");
2882 nodeportal->numpoints = 0;
2884 else if (nodeportal->numpoints >= MAX_PORTALPOINTS)
2886 Con_Print("Mod_Q1BSP_RecursiveNodePortals: WARNING: new portal has too many points\n");
2887 nodeportal->numpoints = 0;
2890 AddPortalToNodes(nodeportal, front, back);
2892 // split the portals of this node along this node's plane and assign them to the children of this node
2893 // (migrating the portals downward through the tree)
2894 for (portal = (portal_t *)node->portals;portal;portal = nextportal)
2896 if (portal->nodes[0] == portal->nodes[1])
2897 Host_Error("Mod_Q1BSP_RecursiveNodePortals: portal has same node on both sides(2)");
2898 if (portal->nodes[0] == node)
2900 else if (portal->nodes[1] == node)
2903 Host_Error("Mod_Q1BSP_RecursiveNodePortals: mislinked portal");
2904 nextportal = portal->next[side];
2905 if (!portal->numpoints)
2908 other_node = portal->nodes[!side];
2909 RemovePortalFromNodes(portal);
2911 // cut the portal into two portals, one on each side of the node plane
2912 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, NULL);
2914 if (!numfrontpoints)
2917 AddPortalToNodes(portal, back, other_node);
2919 AddPortalToNodes(portal, other_node, back);
2925 AddPortalToNodes(portal, front, other_node);
2927 AddPortalToNodes(portal, other_node, front);
2931 // the portal is split
2932 splitportal = AllocPortal();
2933 temp = splitportal->chain;
2934 *splitportal = *portal;
2935 splitportal->chain = temp;
2936 for (i = 0;i < numbackpoints*3;i++)
2937 splitportal->points[i] = backpoints[i];
2938 splitportal->numpoints = numbackpoints;
2939 for (i = 0;i < numfrontpoints*3;i++)
2940 portal->points[i] = frontpoints[i];
2941 portal->numpoints = numfrontpoints;
2945 AddPortalToNodes(portal, front, other_node);
2946 AddPortalToNodes(splitportal, back, other_node);
2950 AddPortalToNodes(portal, other_node, front);
2951 AddPortalToNodes(splitportal, other_node, back);
2955 Mod_Q1BSP_RecursiveNodePortals(front);
2956 Mod_Q1BSP_RecursiveNodePortals(back);
2959 static void Mod_Q1BSP_MakePortals(void)
2962 Mod_Q1BSP_RecursiveNodePortals(loadmodel->brush.data_nodes);
2963 Mod_Q1BSP_FinalizePortals();
2966 static void Mod_Q1BSP_BuildLightmapUpdateChains(mempool_t *mempool, model_t *model)
2968 int i, j, stylecounts[256], totalcount, remapstyles[256];
2969 msurface_t *surface;
2970 memset(stylecounts, 0, sizeof(stylecounts));
2971 for (i = 0;i < model->nummodelsurfaces;i++)
2973 surface = model->data_surfaces + model->firstmodelsurface + i;
2974 for (j = 0;j < MAXLIGHTMAPS;j++)
2975 stylecounts[surface->lightmapinfo->styles[j]]++;
2978 model->brushq1.light_styles = 0;
2979 for (i = 0;i < 255;i++)
2983 remapstyles[i] = model->brushq1.light_styles++;
2984 totalcount += stylecounts[i] + 1;
2989 model->brushq1.light_style = (unsigned char *)Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(unsigned char));
2990 model->brushq1.light_stylevalue = (int *)Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(int));
2991 model->brushq1.light_styleupdatechains = (msurface_t ***)Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(msurface_t **));
2992 model->brushq1.light_styleupdatechainsbuffer = (msurface_t **)Mem_Alloc(mempool, totalcount * sizeof(msurface_t *));
2993 model->brushq1.light_styles = 0;
2994 for (i = 0;i < 255;i++)
2996 model->brushq1.light_style[model->brushq1.light_styles++] = i;
2998 for (i = 0;i < model->brushq1.light_styles;i++)
3000 model->brushq1.light_styleupdatechains[i] = model->brushq1.light_styleupdatechainsbuffer + j;
3001 j += stylecounts[model->brushq1.light_style[i]] + 1;
3003 for (i = 0;i < model->nummodelsurfaces;i++)
3005 surface = model->data_surfaces + model->firstmodelsurface + i;
3006 for (j = 0;j < MAXLIGHTMAPS;j++)
3007 if (surface->lightmapinfo->styles[j] != 255)
3008 *model->brushq1.light_styleupdatechains[remapstyles[surface->lightmapinfo->styles[j]]]++ = surface;
3011 for (i = 0;i < model->brushq1.light_styles;i++)
3013 *model->brushq1.light_styleupdatechains[i] = NULL;
3014 model->brushq1.light_styleupdatechains[i] = model->brushq1.light_styleupdatechainsbuffer + j;
3015 j += stylecounts[model->brushq1.light_style[i]] + 1;
3019 //Returns PVS data for a given point
3020 //(note: can return NULL)
3021 static unsigned char *Mod_Q1BSP_GetPVS(model_t *model, const vec3_t p)
3024 node = model->brush.data_nodes;
3026 node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct(p,node->plane->normal)) < node->plane->dist];
3027 if (((mleaf_t *)node)->clusterindex >= 0)
3028 return model->brush.data_pvsclusters + ((mleaf_t *)node)->clusterindex * model->brush.num_pvsclusterbytes;
3033 static void Mod_Q1BSP_FatPVS_RecursiveBSPNode(model_t *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbytes, mnode_t *node)
3037 float d = PlaneDiff(org, node->plane);
3039 node = node->children[0];
3040 else if (d < -radius)
3041 node = node->children[1];
3044 // go down both sides
3045 Mod_Q1BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, pvsbytes, node->children[0]);
3046 node = node->children[1];
3049 // if this leaf is in a cluster, accumulate the pvs bits
3050 if (((mleaf_t *)node)->clusterindex >= 0)
3053 unsigned char *pvs = model->brush.data_pvsclusters + ((mleaf_t *)node)->clusterindex * model->brush.num_pvsclusterbytes;
3054 for (i = 0;i < pvsbytes;i++)
3055 pvsbuffer[i] |= pvs[i];
3059 //Calculates a PVS that is the inclusive or of all leafs within radius pixels
3060 //of the given point.
3061 static int Mod_Q1BSP_FatPVS(model_t *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength)
3063 int bytes = model->brush.num_pvsclusterbytes;
3064 bytes = min(bytes, pvsbufferlength);
3065 if (r_novis.integer || !model->brush.num_pvsclusters || !Mod_Q1BSP_GetPVS(model, org))
3067 memset(pvsbuffer, 0xFF, bytes);
3070 memset(pvsbuffer, 0, bytes);
3071 Mod_Q1BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, bytes, model->brush.data_nodes);
3075 static void Mod_Q1BSP_RoundUpToHullSize(model_t *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs)
3080 VectorSubtract(inmaxs, inmins, size);
3081 if (cmodel->brush.ismcbsp)
3084 hull = &cmodel->brushq1.hulls[0]; // 0x0x0
3085 else if (size[2] < 48) // pick the nearest of 40 or 56
3086 hull = &cmodel->brushq1.hulls[2]; // 16x16x40
3088 hull = &cmodel->brushq1.hulls[1]; // 16x16x56
3090 else if (cmodel->brush.ishlbsp)
3093 hull = &cmodel->brushq1.hulls[0]; // 0x0x0
3094 else if (size[0] <= 32)
3096 if (size[2] < 54) // pick the nearest of 36 or 72
3097 hull = &cmodel->brushq1.hulls[3]; // 32x32x36
3099 hull = &cmodel->brushq1.hulls[1]; // 32x32x72
3102 hull = &cmodel->brushq1.hulls[2]; // 64x64x64
3107 hull = &cmodel->brushq1.hulls[0]; // 0x0x0
3108 else if (size[0] <= 32)
3109 hull = &cmodel->brushq1.hulls[1]; // 32x32x56
3111 hull = &cmodel->brushq1.hulls[2]; // 64x64x88
3113 VectorCopy(inmins, outmins);
3114 VectorAdd(inmins, hull->clip_size, outmaxs);
3117 void Mod_Q1BSP_Load(model_t *mod, void *buffer, void *bufferend)
3122 mempool_t *mainmempool;
3123 float dist, modelyawradius, modelradius, *vec;
3124 msurface_t *surface;
3125 int numshadowmeshtriangles;
3127 hullinfo_t hullinfo;
3129 mod->type = mod_brushq1;
3131 if (!memcmp (buffer, "MCBSPpad", 8))
3133 unsigned char *index;
3135 mod->brush.ismcbsp = true;
3136 mod->brush.ishlbsp = false;
3138 mod_base = (unsigned char*)buffer;
3142 i = SB_ReadInt (&index);
3143 if (i != MCBSPVERSION)
3144 Host_Error("Mod_Q1BSP_Load: %s has wrong version number(%i should be %i)", mod->name, i, MCBSPVERSION);
3147 hullinfo.numhulls = LittleLong(*(int*)index); index += 4;
3148 hullinfo.filehulls = hullinfo.numhulls;
3149 VectorClear (hullinfo.hullsizes[0][0]);
3150 VectorClear (hullinfo.hullsizes[0][1]);
3151 for (i = 1; i < hullinfo.numhulls; i++)
3153 hullinfo.hullsizes[i][0][0] = SB_ReadFloat (&index);
3154 hullinfo.hullsizes[i][0][1] = SB_ReadFloat (&index);
3155 hullinfo.hullsizes[i][0][2] = SB_ReadFloat (&index);
3156 hullinfo.hullsizes[i][1][0] = SB_ReadFloat (&index);
3157 hullinfo.hullsizes[i][1][1] = SB_ReadFloat (&index);
3158 hullinfo.hullsizes[i][1][2] = SB_ReadFloat (&index);
3162 _header.version = 0;
3163 for (i = 0; i < HEADER_LUMPS; i++)
3165 _header.lumps[i].fileofs = SB_ReadInt (&index);
3166 _header.lumps[i].filelen = SB_ReadInt (&index);
3173 header = (dheader_t *)buffer;
3175 i = LittleLong(header->version);
3176 if (i != BSPVERSION && i != 30)
3177 Host_Error("Mod_Q1BSP_Load: %s has wrong version number(%i should be %i(Quake) or 30(HalfLife)", mod->name, i, BSPVERSION);
3178 mod->brush.ishlbsp = i == 30;
3179 mod->brush.ismcbsp = false;
3181 // fill in hull info
3182 VectorClear (hullinfo.hullsizes[0][0]);
3183 VectorClear (hullinfo.hullsizes[0][1]);
3184 if (mod->brush.ishlbsp)
3186 hullinfo.numhulls = 4;
3187 hullinfo.filehulls = 4;
3188 VectorSet (hullinfo.hullsizes[1][0], -16, -16, -36);
3189 VectorSet (hullinfo.hullsizes[1][1], 16, 16, 36);
3190 VectorSet (hullinfo.hullsizes[2][0], -32, -32, -32);
3191 VectorSet (hullinfo.hullsizes[2][1], 32, 32, 32);
3192 VectorSet (hullinfo.hullsizes[3][0], -16, -16, -18);
3193 VectorSet (hullinfo.hullsizes[3][1], 16, 16, 18);
3197 hullinfo.numhulls = 3;
3198 hullinfo.filehulls = 4;
3199 VectorSet (hullinfo.hullsizes[1][0], -16, -16, -24);
3200 VectorSet (hullinfo.hullsizes[1][1], 16, 16, 32);
3201 VectorSet (hullinfo.hullsizes[2][0], -32, -32, -24);
3202 VectorSet (hullinfo.hullsizes[2][1], 32, 32, 64);
3206 mod_base = (unsigned char*)buffer;
3207 for (i = 0; i < HEADER_LUMPS; i++)
3209 header->lumps[i].fileofs = LittleLong(header->lumps[i].fileofs);
3210 header->lumps[i].filelen = LittleLong(header->lumps[i].filelen);
3214 mod->soundfromcenter = true;
3215 mod->TraceBox = Mod_Q1BSP_TraceBox;
3216 mod->brush.SuperContentsFromNativeContents = Mod_Q1BSP_SuperContentsFromNativeContents;
3217 mod->brush.NativeContentsFromSuperContents = Mod_Q1BSP_NativeContentsFromSuperContents;
3218 mod->brush.GetPVS = Mod_Q1BSP_GetPVS;
3219 mod->brush.FatPVS = Mod_Q1BSP_FatPVS;
3220 mod->brush.BoxTouchingPVS = Mod_Q1BSP_BoxTouchingPVS;
3221 mod->brush.BoxTouchingLeafPVS = Mod_Q1BSP_BoxTouchingLeafPVS;
3222 mod->brush.BoxTouchingVisibleLeafs = Mod_Q1BSP_BoxTouchingVisibleLeafs;
3223 mod->brush.FindBoxClusters = Mod_Q1BSP_FindBoxClusters;
3224 mod->brush.LightPoint = Mod_Q1BSP_LightPoint;
3225 mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
3226 mod->brush.AmbientSoundLevelsForPoint = Mod_Q1BSP_AmbientSoundLevelsForPoint;
3227 mod->brush.RoundUpToHullSize = Mod_Q1BSP_RoundUpToHullSize;
3228 mod->brush.PointInLeaf = Mod_Q1BSP_PointInLeaf;
3230 if (loadmodel->isworldmodel)
3232 Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
3233 Cvar_SetValue("mcbsp", mod->brush.ismcbsp);
3238 // store which lightmap format to use
3239 mod->brushq1.lightmaprgba = r_lightmaprgba.integer;
3241 mod->brush.qw_md4sum = 0;
3242 mod->brush.qw_md4sum2 = 0;
3243 for (i = 0;i < HEADER_LUMPS;i++)
3245 if (i == LUMP_ENTITIES)
3247 mod->brush.qw_md4sum ^= LittleLong(Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen));
3248 if (i == LUMP_VISIBILITY || i == LUMP_LEAFS || i == LUMP_NODES)
3250 mod->brush.qw_md4sum2 ^= LittleLong(Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen));
3253 Mod_Q1BSP_LoadEntities(&header->lumps[LUMP_ENTITIES]);
3254 Mod_Q1BSP_LoadVertexes(&header->lumps[LUMP_VERTEXES]);
3255 Mod_Q1BSP_LoadEdges(&header->lumps[LUMP_EDGES]);
3256 Mod_Q1BSP_LoadSurfedges(&header->lumps[LUMP_SURFEDGES]);
3257 Mod_Q1BSP_LoadTextures(&header->lumps[LUMP_TEXTURES]);
3258 Mod_Q1BSP_LoadLighting(&header->lumps[LUMP_LIGHTING]);
3259 Mod_Q1BSP_LoadPlanes(&header->lumps[LUMP_PLANES]);
3260 Mod_Q1BSP_LoadTexinfo(&header->lumps[LUMP_TEXINFO]);
3261 Mod_Q1BSP_LoadFaces(&header->lumps[LUMP_FACES]);
3262 Mod_Q1BSP_LoadLeaffaces(&header->lumps[LUMP_MARKSURFACES]);
3263 Mod_Q1BSP_LoadVisibility(&header->lumps[LUMP_VISIBILITY]);
3264 // load submodels before leafs because they contain the number of vis leafs
3265 Mod_Q1BSP_LoadSubmodels(&header->lumps[LUMP_MODELS], &hullinfo);
3266 Mod_Q1BSP_LoadLeafs(&header->lumps[LUMP_LEAFS]);
3267 Mod_Q1BSP_LoadNodes(&header->lumps[LUMP_NODES]);
3268 Mod_Q1BSP_LoadClipnodes(&header->lumps[LUMP_CLIPNODES], &hullinfo);
3270 if (!mod->brushq1.lightdata)
3271 mod->brush.LightPoint = NULL;
3273 if (mod->brushq1.data_compressedpvs)
3274 Mem_Free(mod->brushq1.data_compressedpvs);
3275 mod->brushq1.data_compressedpvs = NULL;
3276 mod->brushq1.num_compressedpvs = 0;
3278 Mod_Q1BSP_MakeHull0();
3279 Mod_Q1BSP_MakePortals();
3281 mod->numframes = 2; // regular and alternate animation
3284 mainmempool = mod->mempool;
3286 // make a single combined shadow mesh to allow optimized shadow volume creation
3287 numshadowmeshtriangles = 0;
3288 for (j = 0, surface = loadmodel->data_surfaces;j < loadmodel->num_surfaces;j++, surface++)
3290 surface->num_firstshadowmeshtriangle = numshadowmeshtriangles;
3291 numshadowmeshtriangles += surface->num_triangles;
3293 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Begin(loadmodel->mempool, numshadowmeshtriangles * 3, numshadowmeshtriangles, NULL, NULL, NULL, false, false, true);
3294 for (j = 0, surface = loadmodel->data_surfaces;j < loadmodel->num_surfaces;j++, surface++)
3295 Mod_ShadowMesh_AddMesh(loadmodel->mempool, loadmodel->brush.shadowmesh, NULL, NULL, NULL, loadmodel->surfmesh.data_vertex3f, NULL, NULL, NULL, NULL, surface->num_triangles, (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle));
3296 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Finish(loadmodel->mempool, loadmodel->brush.shadowmesh, false, true);
3297 Mod_BuildTriangleNeighbors(loadmodel->brush.shadowmesh->neighbor3i, loadmodel->brush.shadowmesh->element3i, loadmodel->brush.shadowmesh->numtriangles);
3299 if (loadmodel->brush.numsubmodels)
3300 loadmodel->brush.submodels = (model_t **)Mem_Alloc(loadmodel->mempool, loadmodel->brush.numsubmodels * sizeof(model_t *));
3302 if (loadmodel->isworldmodel)
3304 // clear out any stale submodels or worldmodels lying around
3305 // if we did this clear before now, an error might abort loading and
3306 // leave things in a bad state
3307 Mod_RemoveStaleWorldModels(loadmodel);
3310 // LordHavoc: to clear the fog around the original quake submodel code, I
3312 // first of all, some background info on the submodels:
3313 // model 0 is the map model (the world, named maps/e1m1.bsp for example)
3314 // model 1 and higher are submodels (doors and the like, named *1, *2, etc)
3315 // now the weird for loop itself:
3316 // the loop functions in an odd way, on each iteration it sets up the
3317 // current 'mod' model (which despite the confusing code IS the model of
3318 // the number i), at the end of the loop it duplicates the model to become
3319 // the next submodel, and loops back to set up the new submodel.
3321 // LordHavoc: now the explanation of my sane way (which works identically):
3322 // set up the world model, then on each submodel copy from the world model
3323 // and set up the submodel with the respective model info.
3324 for (i = 0;i < mod->brush.numsubmodels;i++)
3326 // LordHavoc: this code was originally at the end of this loop, but
3327 // has been transformed to something more readable at the start here.
3332 // LordHavoc: only register submodels if it is the world
3333 // (prevents external bsp models from replacing world submodels with
3335 if (!loadmodel->isworldmodel)
3337 // duplicate the basic information
3338 sprintf(name, "*%i", i);
3339 mod = Mod_FindName(name);
3340 // copy the base model to this one
3342 // rename the clone back to its proper name
3343 strcpy(mod->name, name);
3344 // textures and memory belong to the main model
3345 mod->texturepool = NULL;
3346 mod->mempool = NULL;
3349 mod->brush.submodel = i;
3351 if (loadmodel->brush.submodels)
3352 loadmodel->brush.submodels[i] = mod;
3354 bm = &mod->brushq1.submodels[i];
3356 mod->brushq1.hulls[0].firstclipnode = bm->headnode[0];
3357 for (j=1 ; j<MAX_MAP_HULLS ; j++)
3359 mod->brushq1.hulls[j].firstclipnode = bm->headnode[j];
3360 mod->brushq1.hulls[j].lastclipnode = mod->brushq1.numclipnodes - 1;
3363 mod->firstmodelsurface = bm->firstface;
3364 mod->nummodelsurfaces = bm->numfaces;
3366 // make the model surface list (used by shadowing/lighting)
3367 mod->surfacelist = (int *)Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->surfacelist));
3368 for (j = 0;j < mod->nummodelsurfaces;j++)
3369 mod->surfacelist[j] = mod->firstmodelsurface + j;
3371 // this gets altered below if sky is used
3372 mod->DrawSky = NULL;
3373 mod->Draw = R_Q1BSP_Draw;
3374 mod->GetLightInfo = R_Q1BSP_GetLightInfo;
3375 mod->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
3376 mod->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
3377 mod->DrawLight = R_Q1BSP_DrawLight;
3380 mod->brush.GetPVS = NULL;
3381 mod->brush.FatPVS = NULL;
3382 mod->brush.BoxTouchingPVS = NULL;
3383 mod->brush.BoxTouchingLeafPVS = NULL;
3384 mod->brush.BoxTouchingVisibleLeafs = NULL;
3385 mod->brush.FindBoxClusters = NULL;
3386 mod->brush.LightPoint = NULL;
3387 mod->brush.AmbientSoundLevelsForPoint = NULL;
3389 Mod_Q1BSP_BuildLightmapUpdateChains(loadmodel->mempool, mod);
3390 if (mod->nummodelsurfaces)
3392 // LordHavoc: calculate bmodel bounding box rather than trusting what it says
3393 mod->normalmins[0] = mod->normalmins[1] = mod->normalmins[2] = 1000000000.0f;
3394 mod->normalmaxs[0] = mod->normalmaxs[1] = mod->normalmaxs[2] = -1000000000.0f;
3397 for (j = 0, surface = &mod->data_surfaces[mod->firstmodelsurface];j < mod->nummodelsurfaces;j++, surface++)
3399 // we only need to have a drawsky function if it is used(usually only on world model)
3400 if (surface->texture->basematerialflags & MATERIALFLAG_SKY)
3401 mod->DrawSky = R_Q1BSP_DrawSky;
3402 // calculate bounding shapes
3403 for (k = 0, vec = (loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex);k < surface->num_vertices;k++, vec += 3)
3405 if (mod->normalmins[0] > vec[0]) mod->normalmins[0] = vec[0];
3406 if (mod->normalmins[1] > vec[1]) mod->normalmins[1] = vec[1];
3407 if (mod->normalmins[2] > vec[2]) mod->normalmins[2] = vec[2];
3408 if (mod->normalmaxs[0] < vec[0]) mod->normalmaxs[0] = vec[0];
3409 if (mod->normalmaxs[1] < vec[1]) mod->normalmaxs[1] = vec[1];
3410 if (mod->normalmaxs[2] < vec[2]) mod->normalmaxs[2] = vec[2];
3411 dist = vec[0]*vec[0]+vec[1]*vec[1];
3412 if (modelyawradius < dist)
3413 modelyawradius = dist;
3414 dist += vec[2]*vec[2];
3415 if (modelradius < dist)
3419 modelyawradius = sqrt(modelyawradius);
3420 modelradius = sqrt(modelradius);
3421 mod->yawmins[0] = mod->yawmins[1] = - (mod->yawmaxs[0] = mod->yawmaxs[1] = modelyawradius);
3422 mod->yawmins[2] = mod->normalmins[2];
3423 mod->yawmaxs[2] = mod->normalmaxs[2];
3424 mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius;
3425 mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
3426 mod->radius = modelradius;
3427 mod->radius2 = modelradius * modelradius;
3431 // LordHavoc: empty submodel(lacrima.bsp has such a glitch)
3432 Con_Printf("warning: empty submodel *%i in %s\n", i+1, loadmodel->name);
3434 //mod->brushq1.num_visleafs = bm->visleafs;
3437 Mod_Q1BSP_LoadMapBrushes();
3439 //Mod_Q1BSP_ProcessLightList();
3441 if (developer.integer >= 10)
3442 Con_Printf("Some stats for q1bsp model \"%s\": %i faces, %i nodes, %i leafs, %i visleafs, %i visleafportals\n", loadmodel->name, loadmodel->num_surfaces, loadmodel->brush.num_nodes, loadmodel->brush.num_leafs, mod->brush.num_pvsclusters, loadmodel->brush.num_portals);
3445 static void Mod_Q2BSP_LoadEntities(lump_t *l)
3449 static void Mod_Q2BSP_LoadPlanes(lump_t *l)
3456 in = (void *)(mod_base + l->fileofs);
3457 if (l->filelen % sizeof(*in))
3458 Host_Error("Mod_Q2BSP_LoadPlanes: funny lump size in %s",loadmodel->name);
3459 count = l->filelen / sizeof(*in);
3460 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3463 loadmodel->num = count;
3465 for (i = 0;i < count;i++, in++, out++)
3471 static void Mod_Q2BSP_LoadVertices(lump_t *l)
3478 in = (void *)(mod_base + l->fileofs);
3479 if (l->filelen % sizeof(*in))
3480 Host_Error("Mod_Q2BSP_LoadVertices: funny lump size in %s",loadmodel->name);
3481 count = l->filelen / sizeof(*in);
3482 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3485 loadmodel->num = count;
3487 for (i = 0;i < count;i++, in++, out++)
3493 static void Mod_Q2BSP_LoadVisibility(lump_t *l)
3500 in = (void *)(mod_base + l->fileofs);
3501 if (l->filelen % sizeof(*in))
3502 Host_Error("Mod_Q2BSP_LoadVisibility: funny lump size in %s",loadmodel->name);
3503 count = l->filelen / sizeof(*in);
3504 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3507 loadmodel->num = count;
3509 for (i = 0;i < count;i++, in++, out++)
3515 static void Mod_Q2BSP_LoadNodes(lump_t *l)
3522 in = (void *)(mod_base + l->fileofs);
3523 if (l->filelen % sizeof(*in))
3524 Host_Error("Mod_Q2BSP_LoadNodes: funny lump size in %s",loadmodel->name);
3525 count = l->filelen / sizeof(*in);
3526 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3529 loadmodel->num = count;
3531 for (i = 0;i < count;i++, in++, out++)
3537 static void Mod_Q2BSP_LoadTexInfo(lump_t *l)
3544 in = (void *)(mod_base + l->fileofs);
3545 if (l->filelen % sizeof(*in))
3546 Host_Error("Mod_Q2BSP_LoadTexInfo: funny lump size in %s",loadmodel->name);
3547 count = l->filelen / sizeof(*in);
3548 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3551 loadmodel->num = count;
3553 for (i = 0;i < count;i++, in++, out++)
3559 static void Mod_Q2BSP_LoadFaces(lump_t *l)
3566 in = (void *)(mod_base + l->fileofs);
3567 if (l->filelen % sizeof(*in))
3568 Host_Error("Mod_Q2BSP_LoadFaces: funny lump size in %s",loadmodel->name);
3569 count = l->filelen / sizeof(*in);
3570 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3573 loadmodel->num = count;
3575 for (i = 0;i < count;i++, in++, out++)
3581 static void Mod_Q2BSP_LoadLighting(lump_t *l)
3588 in = (void *)(mod_base + l->fileofs);
3589 if (l->filelen % sizeof(*in))
3590 Host_Error("Mod_Q2BSP_LoadLighting: funny lump size in %s",loadmodel->name);
3591 count = l->filelen / sizeof(*in);
3592 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3595 loadmodel->num = count;
3597 for (i = 0;i < count;i++, in++, out++)
3603 static void Mod_Q2BSP_LoadLeafs(lump_t *l)
3610 in = (void *)(mod_base + l->fileofs);
3611 if (l->filelen % sizeof(*in))
3612 Host_Error("Mod_Q2BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
3613 count = l->filelen / sizeof(*in);
3614 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3617 loadmodel->num = count;
3619 for (i = 0;i < count;i++, in++, out++)
3625 static void Mod_Q2BSP_LoadLeafFaces(lump_t *l)
3632 in = (void *)(mod_base + l->fileofs);
3633 if (l->filelen % sizeof(*in))
3634 Host_Error("Mod_Q2BSP_LoadLeafFaces: funny lump size in %s",loadmodel->name);
3635 count = l->filelen / sizeof(*in);
3636 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3639 loadmodel->num = count;
3641 for (i = 0;i < count;i++, in++, out++)
3647 static void Mod_Q2BSP_LoadLeafBrushes(lump_t *l)
3654 in = (void *)(mod_base + l->fileofs);
3655 if (l->filelen % sizeof(*in))
3656 Host_Error("Mod_Q2BSP_LoadLeafBrushes: funny lump size in %s",loadmodel->name);
3657 count = l->filelen / sizeof(*in);
3658 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3661 loadmodel->num = count;
3663 for (i = 0;i < count;i++, in++, out++)
3669 static void Mod_Q2BSP_LoadEdges(lump_t *l)
3676 in = (void *)(mod_base + l->fileofs);
3677 if (l->filelen % sizeof(*in))
3678 Host_Error("Mod_Q2BSP_LoadEdges: funny lump size in %s",loadmodel->name);
3679 count = l->filelen / sizeof(*in);
3680 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3683 loadmodel->num = count;
3685 for (i = 0;i < count;i++, in++, out++)
3691 static void Mod_Q2BSP_LoadSurfEdges(lump_t *l)
3698 in = (void *)(mod_base + l->fileofs);
3699 if (l->filelen % sizeof(*in))
3700 Host_Error("Mod_Q2BSP_LoadSurfEdges: funny lump size in %s",loadmodel->name);
3701 count = l->filelen / sizeof(*in);
3702 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3705 loadmodel->num = count;
3707 for (i = 0;i < count;i++, in++, out++)
3713 static void Mod_Q2BSP_LoadBrushes(lump_t *l)
3720 in = (void *)(mod_base + l->fileofs);
3721 if (l->filelen % sizeof(*in))
3722 Host_Error("Mod_Q2BSP_LoadBrushes: funny lump size in %s",loadmodel->name);
3723 count = l->filelen / sizeof(*in);
3724 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3727 loadmodel->num = count;
3729 for (i = 0;i < count;i++, in++, out++)
3735 static void Mod_Q2BSP_LoadBrushSides(lump_t *l)
3742 in = (void *)(mod_base + l->fileofs);
3743 if (l->filelen % sizeof(*in))
3744 Host_Error("Mod_Q2BSP_LoadBrushSides: funny lump size in %s",loadmodel->name);
3745 count = l->filelen / sizeof(*in);
3746 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3749 loadmodel->num = count;
3751 for (i = 0;i < count;i++, in++, out++)
3757 static void Mod_Q2BSP_LoadAreas(lump_t *l)
3764 in = (void *)(mod_base + l->fileofs);
3765 if (l->filelen % sizeof(*in))
3766 Host_Error("Mod_Q2BSP_LoadAreas: funny lump size in %s",loadmodel->name);
3767 count = l->filelen / sizeof(*in);
3768 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3771 loadmodel->num = count;
3773 for (i = 0;i < count;i++, in++, out++)
3779 static void Mod_Q2BSP_LoadAreaPortals(lump_t *l)
3786 in = (void *)(mod_base + l->fileofs);
3787 if (l->filelen % sizeof(*in))
3788 Host_Error("Mod_Q2BSP_LoadAreaPortals: funny lump size in %s",loadmodel->name);
3789 count = l->filelen / sizeof(*in);
3790 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3793 loadmodel->num = count;
3795 for (i = 0;i < count;i++, in++, out++)
3801 static void Mod_Q2BSP_LoadModels(lump_t *l)
3808 in = (void *)(mod_base + l->fileofs);
3809 if (l->filelen % sizeof(*in))
3810 Host_Error("Mod_Q2BSP_LoadModels: funny lump size in %s",loadmodel->name);
3811 count = l->filelen / sizeof(*in);
3812 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3815 loadmodel->num = count;
3817 for (i = 0;i < count;i++, in++, out++)
3823 void static Mod_Q2BSP_Load(model_t *mod, void *buffer, void *bufferend)
3826 q2dheader_t *header;
3828 Host_Error("Mod_Q2BSP_Load: not yet implemented");
3830 mod->type = mod_brushq2;
3832 header = (q2dheader_t *)buffer;
3834 i = LittleLong(header->version);
3835 if (i != Q2BSPVERSION)
3836 Host_Error("Mod_Q2BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q2BSPVERSION);
3837 mod->brush.ishlbsp = false;
3838 mod->brush.ismcbsp = false;
3839 if (loadmodel->isworldmodel)
3841 Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
3842 Cvar_SetValue("mcbsp", mod->brush.ismcbsp);
3845 mod_base = (unsigned char *)header;
3847 // swap all the lumps
3848 for (i = 0;i < (int) sizeof(*header) / 4;i++)
3849 ((int *)header)[i] = LittleLong(((int *)header)[i]);
3851 // store which lightmap format to use
3852 mod->brushq1.lightmaprgba = r_lightmaprgba.integer;
3854 mod->brush.qw_md4sum = 0;
3855 mod->brush.qw_md4sum2 = 0;
3856 for (i = 0;i < Q2HEADER_LUMPS;i++)
3858 if (i == Q2LUMP_ENTITIES)
3860 mod->brush.qw_md4sum ^= Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen);
3861 if (i == Q2LUMP_VISIBILITY || i == Q2LUMP_LEAFS || i == Q2LUMP_NODES)
3863 mod->brush.qw_md4sum2 ^= Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen);
3866 Mod_Q2BSP_LoadEntities(&header->lumps[Q2LUMP_ENTITIES]);
3867 Mod_Q2BSP_LoadPlanes(&header->lumps[Q2LUMP_PLANES]);
3868 Mod_Q2BSP_LoadVertices(&header->lumps[Q2LUMP_VERTEXES]);
3869 Mod_Q2BSP_LoadVisibility(&header->lumps[Q2LUMP_VISIBILITY]);
3870 Mod_Q2BSP_LoadNodes(&header->lumps[Q2LUMP_NODES]);
3871 Mod_Q2BSP_LoadTexInfo(&header->lumps[Q2LUMP_TEXINFO]);
3872 Mod_Q2BSP_LoadFaces(&header->lumps[Q2LUMP_FACES]);
3873 Mod_Q2BSP_LoadLighting(&header->lumps[Q2LUMP_LIGHTING]);
3874 Mod_Q2BSP_LoadLeafs(&header->lumps[Q2LUMP_LEAFS]);
3875 Mod_Q2BSP_LoadLeafFaces(&header->lumps[Q2LUMP_LEAFFACES]);
3876 Mod_Q2BSP_LoadLeafBrushes(&header->lumps[Q2LUMP_LEAFBRUSHES]);
3877 Mod_Q2BSP_LoadEdges(&header->lumps[Q2LUMP_EDGES]);
3878 Mod_Q2BSP_LoadSurfEdges(&header->lumps[Q2LUMP_SURFEDGES]);
3879 Mod_Q2BSP_LoadBrushes(&header->lumps[Q2LUMP_BRUSHES]);
3880 Mod_Q2BSP_LoadBrushSides(&header->lumps[Q2LUMP_BRUSHSIDES]);
3881 Mod_Q2BSP_LoadAreas(&header->lumps[Q2LUMP_AREAS]);
3882 Mod_Q2BSP_LoadAreaPortals(&header->lumps[Q2LUMP_AREAPORTALS]);
3883 // LordHavoc: must go last because this makes the submodels
3884 Mod_Q2BSP_LoadModels(&header->lumps[Q2LUMP_MODELS]);
3887 static int Mod_Q3BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents);
3888 static int Mod_Q3BSP_NativeContentsFromSuperContents(model_t *model, int supercontents);
3890 static void Mod_Q3BSP_LoadEntities(lump_t *l)
3893 char key[128], value[MAX_INPUTLINE];
3895 loadmodel->brushq3.num_lightgrid_cellsize[0] = 64;
3896 loadmodel->brushq3.num_lightgrid_cellsize[1] = 64;
3897 loadmodel->brushq3.num_lightgrid_cellsize[2] = 128;
3900 loadmodel->brush.entities = (char *)Mem_Alloc(loadmodel->mempool, l->filelen);
3901 memcpy(loadmodel->brush.entities, mod_base + l->fileofs, l->filelen);
3902 data = loadmodel->brush.entities;
3903 // some Q3 maps override the lightgrid_cellsize with a worldspawn key
3904 if (data && COM_ParseToken(&data, false) && com_token[0] == '{')
3908 if (!COM_ParseToken(&data, false))
3910 if (com_token[0] == '}')
3911 break; // end of worldspawn
3912 if (com_token[0] == '_')
3913 strcpy(key, com_token + 1);
3915 strcpy(key, com_token);
3916 while (key[strlen(key)-1] == ' ') // remove trailing spaces
3917 key[strlen(key)-1] = 0;
3918 if (!COM_ParseToken(&data, false))
3920 strcpy(value, com_token);
3921 if (!strcmp("gridsize", key))
3923 if (sscanf(value, "%f %f %f", &v[0], &v[1], &v[2]) == 3 && v[0] != 0 && v[1] != 0 && v[2] != 0)
3924 VectorCopy(v, loadmodel->brushq3.num_lightgrid_cellsize);
3930 static void Mod_Q3BSP_LoadTextures(lump_t *l)
3939 int flags, flags2, numparameters, passnumber;
3940 char shadername[Q3PATHLENGTH];
3941 char sky[Q3PATHLENGTH];
3942 char firstpasstexturename[Q3PATHLENGTH];
3943 char parameter[4][Q3PATHLENGTH];
3945 in = (q3dtexture_t *)(mod_base + l->fileofs);
3946 if (l->filelen % sizeof(*in))
3947 Host_Error("Mod_Q3BSP_LoadTextures: funny lump size in %s",loadmodel->name);
3948 count = l->filelen / sizeof(*in);
3949 out = (texture_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3951 loadmodel->data_textures = out;
3952 loadmodel->num_textures = count;
3954 for (i = 0;i < count;i++, in++, out++)
3956 strlcpy (out->name, in->name, sizeof (out->name));
3957 out->surfaceflags = LittleLong(in->surfaceflags);
3958 out->supercontents = Mod_Q3BSP_SuperContentsFromNativeContents(loadmodel, LittleLong(in->contents));
3959 out->surfaceparms = -1;
3962 // do a quick parse of shader files to get surfaceparms
3963 if ((search = FS_Search("scripts/*.shader", true, false)))
3965 for (i = 0;i < search->numfilenames;i++)
3967 if ((f = (char *)FS_LoadFile(search->filenames[i], tempmempool, false, NULL)))
3970 while (COM_ParseToken(&text, false))
3972 strlcpy (shadername, com_token, sizeof (shadername));
3977 firstpasstexturename[0] = 0;
3978 if (COM_ParseToken(&text, false) && !strcasecmp(com_token, "{"))
3980 while (COM_ParseToken(&text, false))
3982 if (!strcasecmp(com_token, "}"))
3984 else if (!strcasecmp(com_token, "{"))
3986 while (COM_ParseToken(&text, false))
3988 if (!strcasecmp(com_token, "}"))
3990 if (!strcasecmp(com_token, "\n"))
3993 for (j = 0;strcasecmp(com_token, "\n") && strcasecmp(com_token, "}");j++)
3997 strlcpy(parameter[j], com_token, sizeof(parameter[j]));
3998 numparameters = j + 1;
4000 if (!COM_ParseToken(&text, true))
4003 if (developer.integer >= 100)
4005 Con_Printf("%s %i: ", shadername, passnumber);
4006 for (j = 0;j < numparameters;j++)
4007 Con_Printf(" %s", parameter[j]);
4010 if (passnumber == 0 && numparameters >= 1)
4012 if (!strcasecmp(parameter[0], "blendfunc") && (flags & Q3SURFACEPARM_TRANS))
4014 if (numparameters == 2 && !strcasecmp(parameter[1], "add"))
4015 flags2 |= Q3TEXTUREFLAG_ADDITIVE;
4016 else if (numparameters == 3 && !strcasecmp(parameter[1], "gl_one") && !strcasecmp(parameter[2], "gl_one"))
4017 flags2 |= Q3TEXTUREFLAG_ADDITIVE;
4018 else if (numparameters == 3 && !strcasecmp(parameter[1], "gl_src_alpha") && !strcasecmp(parameter[2], "gl_one"))
4019 flags2 |= Q3TEXTUREFLAG_ADDITIVE;
4021 else if (numparameters >= 2 && (!strcasecmp(parameter[0], "map") || !strcasecmp(parameter[0], "clampmap")))
4022 strlcpy(firstpasstexturename, parameter[1], sizeof(firstpasstexturename));
4023 else if (numparameters >= 3 && !strcasecmp(parameter[0], "animmap"))
4024 strlcpy(firstpasstexturename, parameter[2], sizeof(firstpasstexturename));
4025 else if (numparameters >= 2 && !strcasecmp(parameter[0], "alphafunc"))
4026 flags2 |= Q3TEXTUREFLAG_ALPHATEST;
4028 // break out a level if it was }
4029 if (!strcasecmp(com_token, "}"))
4036 for (j = 0;strcasecmp(com_token, "\n") && strcasecmp(com_token, "}");j++)
4040 strlcpy(parameter[j], com_token, sizeof(parameter[j]));
4041 numparameters = j + 1;
4043 if (!COM_ParseToken(&text, true))
4046 if (i == 0 && !strcasecmp(com_token, "}"))
4048 if (developer.integer >= 100)
4050 Con_Printf("%s: ", shadername);
4051 for (j = 0;j < numparameters;j++)
4052 Con_Printf(" %s", parameter[j]);
4055 if (numparameters < 1)
4057 if (!strcasecmp(parameter[0], "surfaceparm") && numparameters >= 2)
4059 if (!strcasecmp(parameter[1], "alphashadow"))
4060 flags |= Q3SURFACEPARM_ALPHASHADOW;
4061 else if (!strcasecmp(parameter[1], "areaportal"))
4062 flags |= Q3SURFACEPARM_AREAPORTAL;
4063 else if (!strcasecmp(parameter[1], "clusterportal"))
4064 flags |= Q3SURFACEPARM_CLUSTERPORTAL;
4065 else if (!strcasecmp(parameter[1], "detail"))
4066 flags |= Q3SURFACEPARM_DETAIL;
4067 else if (!strcasecmp(parameter[1], "donotenter"))
4068 flags |= Q3SURFACEPARM_DONOTENTER;
4069 else if (!strcasecmp(parameter[1], "fog"))
4070 flags |= Q3SURFACEPARM_FOG;
4071 else if (!strcasecmp(parameter[1], "lava"))
4072 flags |= Q3SURFACEPARM_LAVA;
4073 else if (!strcasecmp(parameter[1], "lightfilter"))
4074 flags |= Q3SURFACEPARM_LIGHTFILTER;
4075 else if (!strcasecmp(parameter[1], "metalsteps"))
4076 flags |= Q3SURFACEPARM_METALSTEPS;
4077 else if (!strcasecmp(parameter[1], "nodamage"))
4078 flags |= Q3SURFACEPARM_NODAMAGE;
4079 else if (!strcasecmp(parameter[1], "nodlight"))
4080 flags |= Q3SURFACEPARM_NODLIGHT;
4081 else if (!strcasecmp(parameter[1], "nodraw"))
4082 flags |= Q3SURFACEPARM_NODRAW;
4083 else if (!strcasecmp(parameter[1], "nodrop"))
4084 flags |= Q3SURFACEPARM_NODROP;
4085 else if (!strcasecmp(parameter[1], "noimpact"))
4086 flags |= Q3SURFACEPARM_NOIMPACT;
4087 else if (!strcasecmp(parameter[1], "nolightmap"))
4088 flags |= Q3SURFACEPARM_NOLIGHTMAP;
4089 else if (!strcasecmp(parameter[1], "nomarks"))
4090 flags |= Q3SURFACEPARM_NOMARKS;
4091 else if (!strcasecmp(parameter[1], "nomipmaps"))
4092 flags |= Q3SURFACEPARM_NOMIPMAPS;
4093 else if (!strcasecmp(parameter[1], "nonsolid"))
4094 flags |= Q3SURFACEPARM_NONSOLID;
4095 else if (!strcasecmp(parameter[1], "origin"))
4096 flags |= Q3SURFACEPARM_ORIGIN;
4097 else if (!strcasecmp(parameter[1], "playerclip"))
4098 flags |= Q3SURFACEPARM_PLAYERCLIP;
4099 else if (!strcasecmp(parameter[1], "sky"))
4100 flags |= Q3SURFACEPARM_SKY;
4101 else if (!strcasecmp(parameter[1], "slick"))
4102 flags |= Q3SURFACEPARM_SLICK;
4103 else if (!strcasecmp(parameter[1], "slime"))
4104 flags |= Q3SURFACEPARM_SLIME;
4105 else if (!strcasecmp(parameter[1], "structural"))
4106 flags |= Q3SURFACEPARM_STRUCTURAL;
4107 else if (!strcasecmp(parameter[1], "trans"))
4108 flags |= Q3SURFACEPARM_TRANS;
4109 else if (!strcasecmp(parameter[1], "water"))
4110 flags |= Q3SURFACEPARM_WATER;
4111 else if (!strcasecmp(parameter[1], "pointlight"))
4112 flags |= Q3SURFACEPARM_POINTLIGHT;
4114 Con_Printf("%s parsing warning: unknown surfaceparm \"%s\"\n", search->filenames[i], parameter[1]);
4116 else if (!strcasecmp(parameter[0], "sky") && numparameters >= 2)
4117 strlcpy(sky, parameter[1], sizeof(sky));
4118 else if (!strcasecmp(parameter[0], "skyparms") && numparameters >= 2)
4120 if (!atoi(parameter[1]) && strcasecmp(parameter[1], "-"))
4121 strlcpy(sky, parameter[1], sizeof(sky));
4123 else if (!strcasecmp(parameter[0], "cull") && numparameters >= 2)
4125 if (!strcasecmp(parameter[1], "disable") || !strcasecmp(parameter[1], "none") || !strcasecmp(parameter[1], "twosided"))
4126 flags2 |= Q3TEXTUREFLAG_TWOSIDED;
4128 else if (!strcasecmp(parameter[0], "nomipmaps"))
4129 flags2 |= Q3TEXTUREFLAG_NOMIPMAPS;
4130 else if (!strcasecmp(parameter[0], "nopicmip"))
4131 flags2 |= Q3TEXTUREFLAG_NOPICMIP;
4132 else if (!strcasecmp(parameter[0], "deformvertexes") && numparameters >= 2)
4134 if (!strcasecmp(parameter[1], "autosprite") && numparameters == 2)
4135 flags2 |= Q3TEXTUREFLAG_AUTOSPRITE;
4136 if (!strcasecmp(parameter[1], "autosprite2") && numparameters == 2)
4137 flags2 |= Q3TEXTUREFLAG_AUTOSPRITE2;
4140 // add shader to list (shadername and flags)
4141 // actually here we just poke into the texture settings
4142 for (j = 0, out = loadmodel->data_textures;j < loadmodel->num_textures;j++, out++)
4144 if (!strcasecmp(out->name, shadername))
4146 out->surfaceparms = flags;
4147 out->textureflags = flags2;
4148 out->basematerialflags = 0;
4149 if (out->surfaceparms & Q3SURFACEPARM_NODRAW)
4150 out->basematerialflags |= MATERIALFLAG_NODRAW;
4151 else if (out->surfaceparms & Q3SURFACEPARM_SKY)
4152 out->basematerialflags |= MATERIALFLAG_SKY;
4153 else if (out->surfaceparms & Q3SURFACEPARM_LAVA)
4154 out->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_FULLBRIGHT;
4155 else if (out->surfaceparms & Q3SURFACEPARM_SLIME)
4156 out->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_WATERALPHA;
4157 else if (out->surfaceparms & Q3SURFACEPARM_WATER)
4158 out->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_WATERALPHA;
4160 out->basematerialflags |= MATERIALFLAG_WALL;
4161 if (out->textureflags & Q3TEXTUREFLAG_ALPHATEST)
4163 // FIXME: support alpha test?
4164 out->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_TRANSPARENT;
4166 else if (out->surfaceparms & Q3SURFACEPARM_TRANS)
4168 if (out->textureflags & Q3TEXTUREFLAG_ADDITIVE)
4169 out->basematerialflags |= MATERIALFLAG_ADD | MATERIALFLAG_TRANSPARENT;
4171 out->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_TRANSPARENT;
4173 strlcpy(out->firstpasstexturename, firstpasstexturename, sizeof(out->firstpasstexturename));
4174 if ((flags & Q3SURFACEPARM_SKY) && sky[0])
4176 // quake3 seems to append a _ to the skybox name, so this must do so as well
4177 dpsnprintf(loadmodel->brush.skybox, sizeof(loadmodel->brush.skybox), "%s_", sky);
4184 Con_Printf("%s parsing error - expected \"{\", found \"%s\"\n", search->filenames[i], com_token);
4195 for (j = 0, out = loadmodel->data_textures;j < loadmodel->num_textures;j++, out++)
4197 if (out->surfaceparms == -1)
4200 Con_DPrintf("%s: No shader found for texture \"%s\"\n", loadmodel->name, out->name);
4201 out->surfaceparms = 0;
4202 if (out->surfaceflags & Q3SURFACEFLAG_NODRAW)
4203 out->basematerialflags |= MATERIALFLAG_NODRAW;
4204 else if (out->surfaceflags & Q3SURFACEFLAG_SKY)
4205 out->basematerialflags |= MATERIALFLAG_SKY;
4207 out->basematerialflags |= MATERIALFLAG_WALL;
4208 // these are defaults
4209 //if (!strncmp(out->name, "textures/skies/", 15))
4210 // out->surfaceparms |= Q3SURFACEPARM_SKY;
4211 //if (!strcmp(out->name, "caulk") || !strcmp(out->name, "common/caulk") || !strcmp(out->name, "textures/common/caulk")
4212 // || !strcmp(out->name, "nodraw") || !strcmp(out->name, "common/nodraw") || !strcmp(out->name, "textures/common/nodraw"))
4213 // out->surfaceparms |= Q3SURFACEPARM_NODRAW;
4214 //if (R_TextureHasAlpha(out->skin.base))
4215 // out->surfaceparms |= Q3SURFACEPARM_TRANS;
4217 if (cls.state != ca_dedicated)
4218 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, true))
4219 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, true))
4220 Con_Printf("%s: texture loading for shader \"%s\" failed (first layer \"%s\" not found either)\n", loadmodel->name, out->name, out->firstpasstexturename);
4222 out->currentframe = out;
4225 Con_DPrintf("%s: %i textures missing shaders\n", loadmodel->name, c);
4228 static void Mod_Q3BSP_LoadPlanes(lump_t *l)
4234 in = (q3dplane_t *)(mod_base + l->fileofs);
4235 if (l->filelen % sizeof(*in))
4236 Host_Error("Mod_Q3BSP_LoadPlanes: funny lump size in %s",loadmodel->name);
4237 count = l->filelen / sizeof(*in);
4238 out = (mplane_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4240 loadmodel->brush.data_planes = out;
4241 loadmodel->brush.num_planes = count;
4243 for (i = 0;i < count;i++, in++, out++)
4245 out->normal[0] = LittleFloat(in->normal[0]);
4246 out->normal[1] = LittleFloat(in->normal[1]);
4247 out->normal[2] = LittleFloat(in->normal[2]);
4248 out->dist = LittleFloat(in->dist);
4253 static void Mod_Q3BSP_LoadBrushSides(lump_t *l)
4256 q3mbrushside_t *out;
4259 in = (q3dbrushside_t *)(mod_base + l->fileofs);
4260 if (l->filelen % sizeof(*in))
4261 Host_Error("Mod_Q3BSP_LoadBrushSides: funny lump size in %s",loadmodel->name);
4262 count = l->filelen / sizeof(*in);
4263 out = (q3mbrushside_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4265 loadmodel->brush.data_brushsides = out;
4266 loadmodel->brush.num_brushsides = count;
4268 for (i = 0;i < count;i++, in++, out++)
4270 n = LittleLong(in->planeindex);
4271 if (n < 0 || n >= loadmodel->brush.num_planes)
4272 Host_Error("Mod_Q3BSP_LoadBrushSides: invalid planeindex %i (%i planes)", n, loadmodel->brush.num_planes);
4273 out->plane = loadmodel->brush.data_planes + n;
4274 n = LittleLong(in->textureindex);
4275 if (n < 0 || n >= loadmodel->num_textures)
4276 Host_Error("Mod_Q3BSP_LoadBrushSides: invalid textureindex %i (%i textures)", n, loadmodel->num_textures);
4277 out->texture = loadmodel->data_textures + n;
4281 static void Mod_Q3BSP_LoadBrushes(lump_t *l)
4285 int i, j, n, c, count, maxplanes;
4286 colplanef_t *planes;
4288 in = (q3dbrush_t *)(mod_base + l->fileofs);
4289 if (l->filelen % sizeof(*in))
4290 Host_Error("Mod_Q3BSP_LoadBrushes: funny lump size in %s",loadmodel->name);
4291 count = l->filelen / sizeof(*in);
4292 out = (q3mbrush_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4294 loadmodel->brush.data_brushes = out;
4295 loadmodel->brush.num_brushes = count;
4300 for (i = 0;i < count;i++, in++, out++)
4302 n = LittleLong(in->firstbrushside);
4303 c = LittleLong(in->numbrushsides);
4304 if (n < 0 || n + c > loadmodel->brush.num_brushsides)
4305 Host_Error("Mod_Q3BSP_LoadBrushes: invalid brushside range %i : %i (%i brushsides)", n, n + c, loadmodel->brush.num_brushsides);
4306 out->firstbrushside = loadmodel->brush.data_brushsides + n;
4307 out->numbrushsides = c;
4308 n = LittleLong(in->textureindex);
4309 if (n < 0 || n >= loadmodel->num_textures)
4310 Host_Error("Mod_Q3BSP_LoadBrushes: invalid textureindex %i (%i textures)", n, loadmodel->num_textures);
4311 out->texture = loadmodel->data_textures + n;
4313 // make a list of mplane_t structs to construct a colbrush from
4314 if (maxplanes < out->numbrushsides)
4316 maxplanes = out->numbrushsides;
4319 planes = (colplanef_t *)Mem_Alloc(tempmempool, sizeof(colplanef_t) * maxplanes);
4321 for (j = 0;j < out->numbrushsides;j++)
4323 VectorCopy(out->firstbrushside[j].plane->normal, planes[j].normal);
4324 planes[j].dist = out->firstbrushside[j].plane->dist;
4325 planes[j].supercontents = out->firstbrushside[j].texture->supercontents;
4326 planes[j].q3surfaceflags = out->firstbrushside[j].texture->surfaceflags;
4327 planes[j].texture = out->firstbrushside[j].texture;
4329 // make the colbrush from the planes
4330 out->colbrushf = Collision_NewBrushFromPlanes(loadmodel->mempool, out->numbrushsides, planes);
4336 static void Mod_Q3BSP_LoadEffects(lump_t *l)
4342 in = (q3deffect_t *)(mod_base + l->fileofs);
4343 if (l->filelen % sizeof(*in))
4344 Host_Error("Mod_Q3BSP_LoadEffects: funny lump size in %s",loadmodel->name);
4345 count = l->filelen / sizeof(*in);
4346 out = (q3deffect_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4348 loadmodel->brushq3.data_effects = out;
4349 loadmodel->brushq3.num_effects = count;
4351 for (i = 0;i < count;i++, in++, out++)
4353 strlcpy (out->shadername, in->shadername, sizeof (out->shadername));
4354 n = LittleLong(in->brushindex);
4355 if (n >= loadmodel->brush.num_brushes)
4357 Con_Printf("Mod_Q3BSP_LoadEffects: invalid brushindex %i (%i brushes), setting to -1\n", n, loadmodel->brush.num_brushes);
4360 out->brushindex = n;
4361 out->unknown = LittleLong(in->unknown);
4365 static void Mod_Q3BSP_LoadVertices(lump_t *l)
4370 in = (q3dvertex_t *)(mod_base + l->fileofs);
4371 if (l->filelen % sizeof(*in))
4372 Host_Error("Mod_Q3BSP_LoadVertices: funny lump size in %s",loadmodel->name);
4373 loadmodel->brushq3.num_vertices = count = l->filelen / sizeof(*in);
4374 loadmodel->brushq3.data_vertex3f = (float *)Mem_Alloc(loadmodel->mempool, count * (sizeof(float) * (3 + 3 + 2 + 2 + 4)));
4375 loadmodel->brushq3.data_normal3f = loadmodel->brushq3.data_vertex3f + count * 3;
4376 loadmodel->brushq3.data_texcoordtexture2f = loadmodel->brushq3.data_normal3f + count * 3;
4377 loadmodel->brushq3.data_texcoordlightmap2f = loadmodel->brushq3.data_texcoordtexture2f + count * 2;
4378 loadmodel->brushq3.data_color4f = loadmodel->brushq3.data_texcoordlightmap2f + count * 2;
4380 for (i = 0;i < count;i++, in++)
4382 loadmodel->brushq3.data_vertex3f[i * 3 + 0] = LittleFloat(in->origin3f[0]);
4383 loadmodel->brushq3.data_vertex3f[i * 3 + 1] = LittleFloat(in->origin3f[1]);
4384 loadmodel->brushq3.data_vertex3f[i * 3 + 2] = LittleFloat(in->origin3f[2]);
4385 loadmodel->brushq3.data_normal3f[i * 3 + 0] = LittleFloat(in->normal3f[0]);
4386 loadmodel->brushq3.data_normal3f[i * 3 + 1] = LittleFloat(in->normal3f[1]);
4387 loadmodel->brushq3.data_normal3f[i * 3 + 2] = LittleFloat(in->normal3f[2]);
4388 loadmodel->brushq3.data_texcoordtexture2f[i * 2 + 0] = LittleFloat(in->texcoord2f[0]);
4389 loadmodel->brushq3.data_texcoordtexture2f[i * 2 + 1] = LittleFloat(in->texcoord2f[1]);
4390 loadmodel->brushq3.data_texcoordlightmap2f[i * 2 + 0] = LittleFloat(in->lightmap2f[0]);
4391 loadmodel->brushq3.data_texcoordlightmap2f[i * 2 + 1] = LittleFloat(in->lightmap2f[1]);
4392 // svector/tvector are calculated later in face loading
4393 loadmodel->brushq3.data_color4f[i * 4 + 0] = in->color4ub[0] * (1.0f / 255.0f);
4394 loadmodel->brushq3.data_color4f[i * 4 + 1] = in->color4ub[1] * (1.0f / 255.0f);
4395 loadmodel->brushq3.data_color4f[i * 4 + 2] = in->color4ub[2] * (1.0f / 255.0f);
4396 loadmodel->brushq3.data_color4f[i * 4 + 3] = in->color4ub[3] * (1.0f / 255.0f);
4400 static void Mod_Q3BSP_LoadTriangles(lump_t *l)
4406 in = (int *)(mod_base + l->fileofs);
4407 if (l->filelen % sizeof(int[3]))
4408 Host_Error("Mod_Q3BSP_LoadTriangles: funny lump size in %s",loadmodel->name);
4409 count = l->filelen / sizeof(*in);
4410 out = (int *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4412 loadmodel->brushq3.num_triangles = count / 3;
4413 loadmodel->brushq3.data_element3i = out;
4415 for (i = 0;i < count;i++, in++, out++)
4417 *out = LittleLong(*in);
4418 if (*out < 0 || *out >= loadmodel->brushq3.num_vertices)
4420 Con_Printf("Mod_Q3BSP_LoadTriangles: invalid vertexindex %i (%i vertices), setting to 0\n", *out, loadmodel->brushq3.num_vertices);
4426 static void Mod_Q3BSP_LoadLightmaps(lump_t *l)
4434 in = (q3dlightmap_t *)(mod_base + l->fileofs);
4435 if (l->filelen % sizeof(*in))
4436 Host_Error("Mod_Q3BSP_LoadLightmaps: funny lump size in %s",loadmodel->name);
4437 count = l->filelen / sizeof(*in);
4438 out = (rtexture_t **)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4440 loadmodel->brushq3.data_lightmaps = out;
4441 loadmodel->brushq3.num_lightmaps = count;
4443 loadmodel->brushq3.deluxemapping_modelspace = false;
4444 for (i = 0;i < count;i++, in++, out++)
4446 // if this may be a deluxemap, check if it's in modelspace or not
4447 if ((i & 1) && !loadmodel->brushq3.deluxemapping_modelspace)
4450 unsigned char *b = in->rgb;
4451 for (j = 2;j < 128*128*3;j += 3)
4453 // if this is definitely negative Z, it is not facing outward,
4454 // and thus must be in modelspace, as negative Z would never
4455 // occur in tangentspace
4458 loadmodel->brushq3.deluxemapping_modelspace = true;
4463 *out = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%04i", i), 128, 128, in->rgb, TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
4467 static void Mod_Q3BSP_LoadFaces(lump_t *l)
4469 q3dface_t *in, *oldin;
4470 msurface_t *out, *oldout;
4471 int i, oldi, j, n, count, invalidelements, patchsize[2], finalwidth, finalheight, xtess, ytess, finalvertices, finaltriangles, firstvertex, firstelement, type, oldnumtriangles, oldnumtriangles2, meshvertices, meshtriangles, numvertices, numtriangles;
4472 //int *originalelement3i;
4473 //int *originalneighbor3i;
4474 float *originalvertex3f;
4475 //float *originalsvector3f;
4476 //float *originaltvector3f;
4477 float *originalnormal3f;
4478 float *originalcolor4f;
4479 float *originaltexcoordtexture2f;
4480 float *originaltexcoordlightmap2f;
4483 in = (q3dface_t *)(mod_base + l->fileofs);
4484 if (l->filelen % sizeof(*in))
4485 Host_Error("Mod_Q3BSP_LoadFaces: funny lump size in %s",loadmodel->name);
4486 count = l->filelen / sizeof(*in);
4487 out = (msurface_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4489 loadmodel->data_surfaces = out;
4490 loadmodel->num_surfaces = count;
4492 // deluxemapped q3bsp files have an even number of lightmaps, and surfaces
4493 // always index even numbered ones (0, 2, 4, ...), the odd numbered
4494 // lightmaps are the deluxemaps (light direction textures), so if we
4495 // encounter any odd numbered lightmaps it is not a deluxemapped bsp, it
4496 // is also not a deluxemapped bsp if it has an odd number of lightmaps or
4498 loadmodel->brushq3.deluxemapping = true;
4499 if (loadmodel->brushq3.num_lightmaps >= 2 && !(loadmodel->brushq3.num_lightmaps & 1))
4501 for (i = 0;i < count;i++)
4503 n = LittleLong(in[i].lightmapindex);
4504 if (n >= 0 && ((n & 1) || n + 1 >= loadmodel->brushq3.num_lightmaps))
4506 loadmodel->brushq3.deluxemapping = false;
4512 loadmodel->brushq3.deluxemapping = false;
4513 Con_DPrintf("%s is %sdeluxemapped\n", loadmodel->name, loadmodel->brushq3.deluxemapping ? "" : "not ");
4521 for (;i < count;i++, in++, out++)
4523 // check face type first
4524 type = LittleLong(in->type);
4525 if (type != Q3FACETYPE_POLYGON
4526 && type != Q3FACETYPE_PATCH
4527 && type != Q3FACETYPE_MESH
4528 && type != Q3FACETYPE_FLARE)
4530 Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i: unknown face type %i\n", i, type);
4534 n = LittleLong(in->textureindex);
4535 if (n < 0 || n >= loadmodel->num_textures)
4537 Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i: invalid textureindex %i (%i textures)\n", i, n, loadmodel->num_textures);
4540 out->texture = loadmodel->data_textures + n;
4541 n = LittleLong(in->effectindex);
4542 if (n < -1 || n >= loadmodel->brushq3.num_effects)
4544 if (developer.integer >= 100)
4545 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid effectindex %i (%i effects)\n", i, out->texture->name, n, loadmodel->brushq3.num_effects);
4551 out->effect = loadmodel->brushq3.data_effects + n;
4552 n = LittleLong(in->lightmapindex);
4553 if (n >= loadmodel->brushq3.num_lightmaps)
4555 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid lightmapindex %i (%i lightmaps)\n", i, out->texture->name, n, loadmodel->brushq3.num_lightmaps);
4562 out->lightmaptexture = NULL;
4563 out->deluxemaptexture = r_texture_blanknormalmap;
4567 out->lightmaptexture = loadmodel->brushq3.data_lightmaps[n];
4568 if (loadmodel->brushq3.deluxemapping)
4569 out->deluxemaptexture = loadmodel->brushq3.data_lightmaps[n+1];
4571 out->deluxemaptexture = r_texture_blanknormalmap;
4574 firstvertex = LittleLong(in->firstvertex);
4575 numvertices = LittleLong(in->numvertices);
4576 firstelement = LittleLong(in->firstelement);
4577 numtriangles = LittleLong(in->numelements) / 3;
4578 if (numtriangles * 3 != LittleLong(in->numelements))
4580 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));
4583 if (firstvertex < 0 || firstvertex + numvertices > loadmodel->brushq3.num_vertices)
4585 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);
4588 if (firstelement < 0 || firstelement + numtriangles * 3 > loadmodel->brushq3.num_triangles * 3)
4590 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);
4595 case Q3FACETYPE_POLYGON:
4596 case Q3FACETYPE_MESH:
4597 // no processing necessary
4599 case Q3FACETYPE_PATCH:
4600 patchsize[0] = LittleLong(in->specific.patch.patchsize[0]);
4601 patchsize[1] = LittleLong(in->specific.patch.patchsize[1]);
4602 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))
4604 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid patchsize %ix%i\n", i, out->texture->name, patchsize[0], patchsize[1]);
4607 originalvertex3f = loadmodel->brushq3.data_vertex3f + firstvertex * 3;
4608 // convert patch to Q3FACETYPE_MESH
4609 xtess = Q3PatchTesselationOnX(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4610 ytess = Q3PatchTesselationOnY(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4611 // bound to user settings
4612 xtess = bound(r_subdivisions_mintess.integer, xtess, r_subdivisions_maxtess.integer);
4613 ytess = bound(r_subdivisions_mintess.integer, ytess, r_subdivisions_maxtess.integer);
4614 // bound to sanity settings
4615 xtess = bound(1, xtess, 1024);
4616 ytess = bound(1, ytess, 1024);
4617 // bound to user limit on vertices
4618 while ((xtess > 1 || ytess > 1) && (((patchsize[0] - 1) * xtess) + 1) * (((patchsize[1] - 1) * ytess) + 1) > min(r_subdivisions_maxvertices.integer, 262144))
4625 finalwidth = ((patchsize[0] - 1) * xtess) + 1;
4626 finalheight = ((patchsize[1] - 1) * ytess) + 1;
4627 numvertices = finalwidth * finalheight;
4628 numtriangles = (finalwidth - 1) * (finalheight - 1) * 2;
4630 case Q3FACETYPE_FLARE:
4631 if (developer.integer >= 100)
4632 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): Q3FACETYPE_FLARE not supported (yet)\n", i, out->texture->name);
4636 out->num_vertices = numvertices;
4637 out->num_triangles = numtriangles;
4638 meshvertices += out->num_vertices;
4639 meshtriangles += out->num_triangles;
4645 Mod_AllocSurfMesh(loadmodel->mempool, meshvertices, meshtriangles, false, true, false);
4648 for (;i < count && meshvertices + out->num_vertices <= loadmodel->surfmesh.num_vertices;i++, in++, out++)
4650 if (out->num_vertices < 3 || out->num_triangles < 1)
4653 type = LittleLong(in->type);
4654 firstvertex = LittleLong(in->firstvertex);
4655 firstelement = LittleLong(in->firstelement);
4656 out->num_firstvertex = meshvertices;
4657 out->num_firsttriangle = meshtriangles;
4660 case Q3FACETYPE_POLYGON:
4661 case Q3FACETYPE_MESH:
4662 // no processing necessary
4663 for (j = 0;j < out->num_vertices;j++)
4665 (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex)[j * 3 + 0] = loadmodel->brushq3.data_vertex3f[(firstvertex + j) * 3 + 0];
4666 (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex)[j * 3 + 1] = loadmodel->brushq3.data_vertex3f[(firstvertex + j) * 3 + 1];
4667 (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex)[j * 3 + 2] = loadmodel->brushq3.data_vertex3f[(firstvertex + j) * 3 + 2];
4668 (loadmodel->surfmesh.data_normal3f + 3 * out->num_firstvertex)[j * 3 + 0] = loadmodel->brushq3.data_normal3f[(firstvertex + j) * 3 + 0];
4669 (loadmodel->surfmesh.data_normal3f + 3 * out->num_firstvertex)[j * 3 + 1] = loadmodel->brushq3.data_normal3f[(firstvertex + j) * 3 + 1];
4670 (loadmodel->surfmesh.data_normal3f + 3 * out->num_firstvertex)[j * 3 + 2] = loadmodel->brushq3.data_normal3f[(firstvertex + j) * 3 + 2];
4671 (loadmodel->surfmesh.data_texcoordtexture2f + 2 * out->num_firstvertex)[j * 2 + 0] = loadmodel->brushq3.data_texcoordtexture2f[(firstvertex + j) * 2 + 0];
4672 (loadmodel->surfmesh.data_texcoordtexture2f + 2 * out->num_firstvertex)[j * 2 + 1] = loadmodel->brushq3.data_texcoordtexture2f[(firstvertex + j) * 2 + 1];
4673 (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * out->num_firstvertex)[j * 2 + 0] = loadmodel->brushq3.data_texcoordlightmap2f[(firstvertex + j) * 2 + 0];
4674 (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * out->num_firstvertex)[j * 2 + 1] = loadmodel->brushq3.data_texcoordlightmap2f[(firstvertex + j) * 2 + 1];
4675 (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 0] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 0];
4676 (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 1] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 1];
4677 (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 2] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 2];
4678 (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 3] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 3];
4680 for (j = 0;j < out->num_triangles*3;j++)
4681 (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] = loadmodel->brushq3.data_element3i[firstelement + j] + out->num_firstvertex;
4683 case Q3FACETYPE_PATCH:
4684 patchsize[0] = LittleLong(in->specific.patch.patchsize[0]);
4685 patchsize[1] = LittleLong(in->specific.patch.patchsize[1]);
4686 originalvertex3f = loadmodel->brushq3.data_vertex3f + firstvertex * 3;
4687 originalnormal3f = loadmodel->brushq3.data_normal3f + firstvertex * 3;
4688 originaltexcoordtexture2f = loadmodel->brushq3.data_texcoordtexture2f + firstvertex * 2;
4689 originaltexcoordlightmap2f = loadmodel->brushq3.data_texcoordlightmap2f + firstvertex * 2;
4690 originalcolor4f = loadmodel->brushq3.data_color4f + firstvertex * 4;
4691 // convert patch to Q3FACETYPE_MESH
4692 xtess = Q3PatchTesselationOnX(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4693 ytess = Q3PatchTesselationOnY(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4694 // bound to user settings
4695 xtess = bound(r_subdivisions_mintess.integer, xtess, r_subdivisions_maxtess.integer);
4696 ytess = bound(r_subdivisions_mintess.integer, ytess, r_subdivisions_maxtess.integer);
4697 // bound to sanity settings
4698 xtess = bound(1, xtess, 1024);
4699 ytess = bound(1, ytess, 1024);
4700 // bound to user limit on vertices
4701 while ((xtess > 1 || ytess > 1) && (((patchsize[0] - 1) * xtess) + 1) * (((patchsize[1] - 1) * ytess) + 1) > min(r_subdivisions_maxvertices.integer, 262144))
4708 finalwidth = ((patchsize[0] - 1) * xtess) + 1;
4709 finalheight = ((patchsize[1] - 1) * ytess) + 1;
4710 finalvertices = finalwidth * finalheight;
4711 finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2;
4712 type = Q3FACETYPE_MESH;
4713 // generate geometry
4714 // (note: normals are skipped because they get recalculated)
4715 Q3PatchTesselateFloat(3, sizeof(float[3]), (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[3]), originalvertex3f, xtess, ytess);
4716 Q3PatchTesselateFloat(3, sizeof(float[3]), (loadmodel->surfmesh.data_normal3f + 3 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[3]), originalnormal3f, xtess, ytess);
4717 Q3PatchTesselateFloat(2, sizeof(float[2]), (loadmodel->surfmesh.data_texcoordtexture2f + 2 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[2]), originaltexcoordtexture2f, xtess, ytess);
4718 Q3PatchTesselateFloat(2, sizeof(float[2]), (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[2]), originaltexcoordlightmap2f, xtess, ytess);
4719 Q3PatchTesselateFloat(4, sizeof(float[4]), (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[4]), originalcolor4f, xtess, ytess);
4720 Q3PatchTriangleElements((loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle), finalwidth, finalheight, out->num_firstvertex);
4721 out->num_triangles = Mod_RemoveDegenerateTriangles(out->num_triangles, (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle), (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle), loadmodel->surfmesh.data_vertex3f);
4722 if (developer.integer >= 100)
4724 if (out->num_triangles < finaltriangles)
4725 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);
4727 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);
4729 // q3map does not put in collision brushes for curves... ugh
4730 // build the lower quality collision geometry
4731 xtess = Q3PatchTesselationOnX(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_collision_tolerance.value);
4732 ytess = Q3PatchTesselationOnY(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_collision_tolerance.value);
4733 // bound to user settings
4734 xtess = bound(r_subdivisions_collision_mintess.integer, xtess, r_subdivisions_collision_maxtess.integer);
4735 ytess = bound(r_subdivisions_collision_mintess.integer, ytess, r_subdivisions_collision_maxtess.integer);
4736 // bound to sanity settings
4737 xtess = bound(1, xtess, 1024);
4738 ytess = bound(1, ytess, 1024);
4739 // bound to user limit on vertices
4740 while ((xtess > 1 || ytess > 1) && (((patchsize[0] - 1) * xtess) + 1) * (((patchsize[1] - 1) * ytess) + 1) > min(r_subdivisions_collision_maxvertices.integer, 262144))
4747 finalwidth = ((patchsize[0] - 1) * xtess) + 1;
4748 finalheight = ((patchsize[1] - 1) * ytess) + 1;
4749 finalvertices = finalwidth * finalheight;
4750 finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2;
4752 out->data_collisionvertex3f = (float *)Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * finalvertices);
4753 out->data_collisionelement3i = (int *)Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * finaltriangles);
4754 out->num_collisionvertices = finalvertices;
4755 out->num_collisiontriangles = finaltriangles;
4756 Q3PatchTesselateFloat(3, sizeof(float[3]), out->data_collisionvertex3f, patchsize[0], patchsize[1], sizeof(float[3]), originalvertex3f, xtess, ytess);
4757 Q3PatchTriangleElements(out->data_collisionelement3i, finalwidth, finalheight, 0);
4759 //Mod_SnapVertices(3, out->num_vertices, (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), 0.25);
4760 Mod_SnapVertices(3, out->num_collisionvertices, out->data_collisionvertex3f, 1);
4762 oldnumtriangles = out->num_triangles;
4763 oldnumtriangles2 = out->num_collisiontriangles;
4764 out->num_collisiontriangles = Mod_RemoveDegenerateTriangles(out->num_collisiontriangles, out->data_collisionelement3i, out->data_collisionelement3i, out->data_collisionvertex3f);
4765 if (developer.integer >= 100)
4766 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);
4771 meshvertices += out->num_vertices;
4772 meshtriangles += out->num_triangles;
4773 for (j = 0, invalidelements = 0;j < out->num_triangles * 3;j++)
4774 if ((loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] < out->num_firstvertex || (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] >= out->num_firstvertex + out->num_vertices)
4776 if (invalidelements)
4778 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);
4779 for (j = 0;j < out->num_triangles * 3;j++)
4781 Con_Printf(" %i", (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] - out->num_firstvertex);
4782 if ((loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] < out->num_firstvertex || (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] >= out->num_firstvertex + out->num_vertices)
4783 (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] = out->num_firstvertex;
4787 // calculate a bounding box
4788 VectorClear(out->mins);
4789 VectorClear(out->maxs);
4790 if (out->num_vertices)
4792 VectorCopy((loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), out->mins);
4793 VectorCopy((loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), out->maxs);
4794 for (j = 1, v = (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex) + 3;j < out->num_vertices;j++, v += 3)
4796 out->mins[0] = min(out->mins[0], v[0]);
4797 out->maxs[0] = max(out->maxs[0], v[0]);
4798 out->mins[1] = min(out->mins[1], v[1]);
4799 out->maxs[1] = max(out->maxs[1], v[1]);
4800 out->mins[2] = min(out->mins[2], v[2]);
4801 out->maxs[2] = max(out->maxs[2], v[2]);
4803 out->mins[0] -= 1.0f;
4804 out->mins[1] -= 1.0f;
4805 out->mins[2] -= 1.0f;
4806 out->maxs[0] += 1.0f;
4807 out->maxs[1] += 1.0f;
4808 out->maxs[2] += 1.0f;
4810 // set lightmap styles for consistency with q1bsp
4811 //out->lightmapinfo->styles[0] = 0;
4812 //out->lightmapinfo->styles[1] = 255;
4813 //out->lightmapinfo->styles[2] = 255;
4814 //out->lightmapinfo->styles[3] = 255;
4817 // for per pixel lighting
4818 Mod_BuildTextureVectorsFromNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, true);
4820 // free the no longer needed vertex data
4821 loadmodel->brushq3.num_vertices = 0;
4822 Mem_Free(loadmodel->brushq3.data_vertex3f);
4823 loadmodel->brushq3.data_vertex3f = NULL;
4824 loadmodel->brushq3.data_normal3f = NULL;
4825 loadmodel->brushq3.data_texcoordtexture2f = NULL;
4826 loadmodel->brushq3.data_texcoordlightmap2f = NULL;
4827 loadmodel->brushq3.data_color4f = NULL;
4828 // free the no longer needed triangle data
4829 loadmodel->brushq3.num_triangles = 0;
4830 Mem_Free(loadmodel->brushq3.data_element3i);
4831 loadmodel->brushq3.data_element3i = NULL;
4834 static void Mod_Q3BSP_LoadModels(lump_t *l)
4838 int i, j, n, c, count;
4840 in = (q3dmodel_t *)(mod_base + l->fileofs);
4841 if (l->filelen % sizeof(*in))
4842 Host_Error("Mod_Q3BSP_LoadModels: funny lump size in %s",loadmodel->name);
4843 count = l->filelen / sizeof(*in);
4844 out = (q3dmodel_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4846 loadmodel->brushq3.data_models = out;
4847 loadmodel->brushq3.num_models = count;
4849 for (i = 0;i < count;i++, in++, out++)
4851 for (j = 0;j < 3;j++)
4853 out->mins[j] = LittleFloat(in->mins[j]);
4854 out->maxs[j] = LittleFloat(in->maxs[j]);
4856 n = LittleLong(in->firstface);
4857 c = LittleLong(in->numfaces);
4858 if (n < 0 || n + c > loadmodel->num_surfaces)
4859 Host_Error("Mod_Q3BSP_LoadModels: invalid face range %i : %i (%i faces)", n, n + c, loadmodel->num_surfaces);
4862 n = LittleLong(in->firstbrush);
4863 c = LittleLong(in->numbrushes);
4864 if (n < 0 || n + c > loadmodel->brush.num_brushes)
4865 Host_Error("Mod_Q3BSP_LoadModels: invalid brush range %i : %i (%i brushes)", n, n + c, loadmodel->brush.num_brushes);
4866 out->firstbrush = n;
4867 out->numbrushes = c;
4871 static void Mod_Q3BSP_LoadLeafBrushes(lump_t *l)
4877 in = (int *)(mod_base + l->fileofs);
4878 if (l->filelen % sizeof(*in))
4879 Host_Error("Mod_Q3BSP_LoadLeafBrushes: funny lump size in %s",loadmodel->name);
4880 count = l->filelen / sizeof(*in);
4881 out = (int *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4883 loadmodel->brush.data_leafbrushes = out;
4884 loadmodel->brush.num_leafbrushes = count;
4886 for (i = 0;i < count;i++, in++, out++)
4888 n = LittleLong(*in);
4889 if (n < 0 || n >= loadmodel->brush.num_brushes)
4890 Host_Error("Mod_Q3BSP_LoadLeafBrushes: invalid brush index %i (%i brushes)", n, loadmodel->brush.num_brushes);
4895 static void Mod_Q3BSP_LoadLeafFaces(lump_t *l)
4901 in = (int *)(mod_base + l->fileofs);
4902 if (l->filelen % sizeof(*in))
4903 Host_Error("Mod_Q3BSP_LoadLeafFaces: funny lump size in %s",loadmodel->name);
4904 count = l->filelen / sizeof(*in);
4905 out = (int *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4907 loadmodel->brush.data_leafsurfaces = out;
4908 loadmodel->brush.num_leafsurfaces = count;
4910 for (i = 0;i < count;i++, in++, out++)
4912 n = LittleLong(*in);
4913 if (n < 0 || n >= loadmodel->num_surfaces)
4914 Host_Error("Mod_Q3BSP_LoadLeafFaces: invalid face index %i (%i faces)", n, loadmodel->num_surfaces);
4919 static void Mod_Q3BSP_LoadLeafs(lump_t *l)
4923 int i, j, n, c, count;
4925 in = (q3dleaf_t *)(mod_base + l->fileofs);
4926 if (l->filelen % sizeof(*in))
4927 Host_Error("Mod_Q3BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
4928 count = l->filelen / sizeof(*in);
4929 out = (mleaf_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4931 loadmodel->brush.data_leafs = out;
4932 loadmodel->brush.num_leafs = count;
4934 for (i = 0;i < count;i++, in++, out++)
4938 out->clusterindex = LittleLong(in->clusterindex);
4939 out->areaindex = LittleLong(in->areaindex);
4940 for (j = 0;j < 3;j++)
4942 // yes the mins/maxs are ints
4943 out->mins[j] = LittleLong(in->mins[j]) - 1;
4944 out->maxs[j] = LittleLong(in->maxs[j]) + 1;
4946 n = LittleLong(in->firstleafface);
4947 c = LittleLong(in->numleaffaces);
4948 if (n < 0 || n + c > loadmodel->brush.num_leafsurfaces)
4949 Host_Error("Mod_Q3BSP_LoadLeafs: invalid leafsurface range %i : %i (%i leafsurfaces)", n, n + c, loadmodel->brush.num_leafsurfaces);
4950 out->firstleafsurface = loadmodel->brush.data_leafsurfaces + n;
4951 out->numleafsurfaces = c;
4952 n = LittleLong(in->firstleafbrush);
4953 c = LittleLong(in->numleafbrushes);
4954 if (n < 0 || n + c > loadmodel->brush.num_leafbrushes)
4955 Host_Error("Mod_Q3BSP_LoadLeafs: invalid leafbrush range %i : %i (%i leafbrushes)", n, n + c, loadmodel->brush.num_leafbrushes);
4956 out->firstleafbrush = loadmodel->brush.data_leafbrushes + n;
4957 out->numleafbrushes = c;
4961 static void Mod_Q3BSP_LoadNodes(lump_t *l)
4967 in = (q3dnode_t *)(mod_base + l->fileofs);
4968 if (l->filelen % sizeof(*in))
4969 Host_Error("Mod_Q3BSP_LoadNodes: funny lump size in %s",loadmodel->name);
4970 count = l->filelen / sizeof(*in);
4971 out = (mnode_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4973 loadmodel->brush.data_nodes = out;
4974 loadmodel->brush.num_nodes = count;
4976 for (i = 0;i < count;i++, in++, out++)
4979 n = LittleLong(in->planeindex);
4980 if (n < 0 || n >= loadmodel->brush.num_planes)
4981 Host_Error("Mod_Q3BSP_LoadNodes: invalid planeindex %i (%i planes)", n, loadmodel->brush.num_planes);
4982 out->plane = loadmodel->brush.data_planes + n;
4983 for (j = 0;j < 2;j++)
4985 n = LittleLong(in->childrenindex[j]);
4988 if (n >= loadmodel->brush.num_nodes)
4989 Host_Error("Mod_Q3BSP_LoadNodes: invalid child node index %i (%i nodes)", n, loadmodel->brush.num_nodes);
4990 out->children[j] = loadmodel->brush.data_nodes + n;
4995 if (n >= loadmodel->brush.num_leafs)
4996 Host_Error("Mod_Q3BSP_LoadNodes: invalid child leaf index %i (%i leafs)", n, loadmodel->brush.num_leafs);
4997 out->children[j] = (mnode_t *)(loadmodel->brush.data_leafs + n);
5000 for (j = 0;j < 3;j++)
5002 // yes the mins/maxs are ints
5003 out->mins[j] = LittleLong(in->mins[j]) - 1;
5004 out->maxs[j] = LittleLong(in->maxs[j]) + 1;
5008 // set the parent pointers
5009 Mod_Q1BSP_LoadNodes_RecursiveSetParent(loadmodel->brush.data_nodes, NULL);
5012 static void Mod_Q3BSP_LoadLightGrid(lump_t *l)
5015 q3dlightgrid_t *out;
5018 in = (q3dlightgrid_t *)(mod_base + l->fileofs);
5019 if (l->filelen % sizeof(*in))
5020 Host_Error("Mod_Q3BSP_LoadLightGrid: funny lump size in %s",loadmodel->name);
5021 loadmodel->brushq3.num_lightgrid_scale[0] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[0];
5022 loadmodel->brushq3.num_lightgrid_scale[1] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[1];
5023 loadmodel->brushq3.num_lightgrid_scale[2] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[2];
5024 loadmodel->brushq3.num_lightgrid_imins[0] = (int)ceil(loadmodel->brushq3.data_models->mins[0] * loadmodel->brushq3.num_lightgrid_scale[0]);
5025 loadmodel->brushq3.num_lightgrid_imins[1] = (int)ceil(loadmodel->brushq3.data_models->mins[1] * loadmodel->brushq3.num_lightgrid_scale[1]);
5026 loadmodel->brushq3.num_lightgrid_imins[2] = (int)ceil(loadmodel->brushq3.data_models->mins[2] * loadmodel->brushq3.num_lightgrid_scale[2]);
5027 loadmodel->brushq3.num_lightgrid_imaxs[0] = (int)floor(loadmodel->brushq3.data_models->maxs[0] * loadmodel->brushq3.num_lightgrid_scale[0]);
5028 loadmodel->brushq3.num_lightgrid_imaxs[1] = (int)floor(loadmodel->brushq3.data_models->maxs[1] * loadmodel->brushq3.num_lightgrid_scale[1]);
5029 loadmodel->brushq3.num_lightgrid_imaxs[2] = (int)floor(loadmodel->brushq3.data_models->maxs[2] * loadmodel->brushq3.num_lightgrid_scale[2]);
5030 loadmodel->brushq3.num_lightgrid_isize[0] = loadmodel->brushq3.num_lightgrid_imaxs[0] - loadmodel->brushq3.num_lightgrid_imins[0] + 1;
5031 loadmodel->brushq3.num_lightgrid_isize[1] = loadmodel->brushq3.num_lightgrid_imaxs[1] - loadmodel->brushq3.num_lightgrid_imins[1] + 1;
5032 loadmodel->brushq3.num_lightgrid_isize[2] = loadmodel->brushq3.num_lightgrid_imaxs[2] - loadmodel->brushq3.num_lightgrid_imins[2] + 1;
5033 count = loadmodel->brushq3.num_lightgrid_isize[0] * loadmodel->brushq3.num_lightgrid_isize[1] * loadmodel->brushq3.num_lightgrid_isize[2];
5034 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]);
5035 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]);
5037 // if lump is empty there is nothing to load, we can deal with that in the LightPoint code
5040 if (l->filelen < count * (int)sizeof(*in))
5041 Host_Error("Mod_Q3BSP_LoadLightGrid: invalid lightgrid lump size %i bytes, should be %i bytes (%ix%ix%i)", l->filelen, count * sizeof(*in), loadmodel->brushq3.num_lightgrid_dimensions[0], loadmodel->brushq3.num_lightgrid_dimensions[1], loadmodel->brushq3.num_lightgrid_dimensions[2]);
5042 if (l->filelen != count * (int)sizeof(*in))
5043 Con_Printf("Mod_Q3BSP_LoadLightGrid: Warning: calculated lightgrid size %i bytes does not match lump size %i", count * sizeof(*in), l->filelen);
5044 out = (q3dlightgrid_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
5045 loadmodel->brushq3.data_lightgrid = out;
5046 loadmodel->brushq3.num_lightgrid = count;
5047 // no swapping or validation necessary
5048 memcpy(out, in, count * (int)sizeof(*out));
5052 static void Mod_Q3BSP_LoadPVS(lump_t *l)
5057 if (l->filelen == 0)
5060 // unvised maps often have cluster indices even without pvs, so check
5061 // leafs to find real number of clusters
5062 loadmodel->brush.num_pvsclusters = 1;
5063 for (i = 0;i < loadmodel->brush.num_leafs;i++)
5064 loadmodel->brush.num_pvsclusters = max(loadmodel->brush.num_pvsclusters, loadmodel->brush.data_leafs[i].clusterindex + 1);
5067 loadmodel->brush.num_pvsclusterbytes = (loadmodel->brush.num_pvsclusters + 7) / 8;
5068 totalchains = loadmodel->brush.num_pvsclusterbytes * loadmodel->brush.num_pvsclusters;
5069 loadmodel->brush.data_pvsclusters = (unsigned char *)Mem_Alloc(loadmodel->mempool, totalchains);
5070 memset(loadmodel->brush.data_pvsclusters, 0xFF, totalchains);
5074 in = (q3dpvs_t *)(mod_base + l->fileofs);
5076 Host_Error("Mod_Q3BSP_LoadPVS: funny lump size in %s",loadmodel->name);
5078 loadmodel->brush.num_pvsclusters = LittleLong(in->numclusters);
5079 loadmodel->brush.num_pvsclusterbytes = LittleLong(in->chainlength);
5080 if (loadmodel->brush.num_pvsclusterbytes < ((loadmodel->brush.num_pvsclusters + 7) / 8))
5081 Host_Error("Mod_Q3BSP_LoadPVS: (chainlength = %i) < ((numclusters = %i) + 7) / 8", loadmodel->brush.num_pvsclusterbytes, loadmodel->brush.num_pvsclusters);
5082 totalchains = loadmodel->brush.num_pvsclusterbytes * loadmodel->brush.num_pvsclusters;
5083 if (l->filelen < totalchains + (int)sizeof(*in))
5084 Host_Error("Mod_Q3BSP_LoadPVS: lump too small ((numclusters = %i) * (chainlength = %i) + sizeof(q3dpvs_t) == %i bytes, lump is %i bytes)", loadmodel->brush.num_pvsclusters, loadmodel->brush.num_pvsclusterbytes, totalchains + sizeof(*in), l->filelen);
5086 loadmodel->brush.data_pvsclusters = (unsigned char *)Mem_Alloc(loadmodel->mempool, totalchains);
5087 memcpy(loadmodel->brush.data_pvsclusters, (unsigned char *)(in + 1), totalchains);
5090 static void Mod_Q3BSP_LightPoint(model_t *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal)
5092 int i, j, k, index[3];
5093 float transformed[3], blend1, blend2, blend, yaw, pitch, sinpitch;
5094 q3dlightgrid_t *a, *s;
5095 if (!model->brushq3.num_lightgrid)
5097 ambientcolor[0] = 1;
5098 ambientcolor[1] = 1;
5099 ambientcolor[2] = 1;
5102 Matrix4x4_Transform(&model->brushq3.num_lightgrid_indexfromworld, p, transformed);
5103 //Matrix4x4_Print(&model->brushq3.num_lightgrid_indexfromworld);
5104 //Con_Printf("%f %f %f transformed %f %f %f clamped ", p[0], p[1], p[2], transformed[0], transformed[1], transformed[2]);
5105 transformed[0] = bound(0, transformed[0], model->brushq3.num_lightgrid_isize[0] - 1);
5106 transformed[1] = bound(0, transformed[1], model->brushq3.num_lightgrid_isize[1] - 1);
5107 transformed[2] = bound(0, transformed[2], model->brushq3.num_lightgrid_isize[2] - 1);
5108 index[0] = (int)floor(transformed[0]);
5109 index[1] = (int)floor(transformed[1]);
5110 index[2] = (int)floor(transformed[2]);
5111 //Con_Printf("%f %f %f index %i %i %i:\n", transformed[0], transformed[1], transformed[2], index[0], index[1], index[2]);
5112 // now lerp the values
5113 VectorClear(diffusenormal);
5114 a = &model->brushq3.data_lightgrid[(index[2] * model->brushq3.num_lightgrid_isize[1] + index[1]) * model->brushq3.num_lightgrid_isize[0] + index[0]];
5115 for (k = 0;k < 2;k++)
5117 blend1 = (k ? (transformed[2] - index[2]) : (1 - (transformed[2] - index[2])));
5118 if (blend1 < 0.001f || index[2] + k >= model->brushq3.num_lightgrid_isize[2])
5120 for (j = 0;j < 2;j++)
5122 blend2 = blend1 * (j ? (transformed[1] - index[1]) : (1 - (transformed[1] - index[1])));
5123 if (blend2 < 0.001f || index[1] + j >= model->brushq3.num_lightgrid_isize[1])
5125 for (i = 0;i < 2;i++)
5127 blend = blend2 * (i ? (transformed[0] - index[0]) : (1 - (transformed[0] - index[0])));
5128 if (blend < 0.001f || index[0] + i >= model->brushq3.num_lightgrid_isize[0])
5130 s = a + (k * model->brushq3.num_lightgrid_isize[1] + j) * model->brushq3.num_lightgrid_isize[0] + i;
5131 VectorMA(ambientcolor, blend * (1.0f / 128.0f), s->ambientrgb, ambientcolor);
5132 VectorMA(diffusecolor, blend * (1.0f / 128.0f), s->diffusergb, diffusecolor);
5133 pitch = s->diffusepitch * M_PI / 128;
5134 yaw = s->diffuseyaw * M_PI / 128;
5135 sinpitch = sin(pitch);
5136 diffusenormal[0] += blend * (cos(yaw) * sinpitch);
5137 diffusenormal[1] += blend * (sin(yaw) * sinpitch);
5138 diffusenormal[2] += blend * (cos(pitch));
5139 //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)));
5143 VectorNormalize(diffusenormal);
5144 //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]);
5147 static void Mod_Q3BSP_TracePoint_RecursiveBSPNode(trace_t *trace, model_t *model, mnode_t *node, const vec3_t point, int markframe)
5152 // find which leaf the point is in
5154 node = node->children[DotProduct(point, node->plane->normal) < node->plane->dist];
5155 // point trace the brushes
5156 leaf = (mleaf_t *)node;
5157 for (i = 0;i < leaf->numleafbrushes;i++)
5159 brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf;
5160 if (brush && brush->markframe != markframe && BoxesOverlap(point, point, brush->mins, brush->maxs))
5162 brush->markframe = markframe;
5163 Collision_TracePointBrushFloat(trace, point, brush);
5166 // can't do point traces on curves (they have no thickness)
5169 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)
5171 int i, startside, endside;
5172 float dist1, dist2, midfrac, mid[3], nodesegmentmins[3], nodesegmentmaxs[3];
5174 msurface_t *surface;
5177 // walk the tree until we hit a leaf, recursing for any split cases
5180 plane = node->plane;
5181 // axial planes are much more common than non-axial, so an optimized
5182 // axial case pays off here
5183 if (plane->type < 3)
5185 dist1 = start[plane->type] - plane->dist;
5186 dist2 = end[plane->type] - plane->dist;
5190 dist1 = DotProduct(start, plane->normal) - plane->dist;
5191 dist2 = DotProduct(end, plane->normal) - plane->dist;
5193 startside = dist1 < 0;
5194 endside = dist2 < 0;
5195 if (startside == endside)
5197 // most of the time the line fragment is on one side of the plane
5198 node = node->children[startside];
5202 // line crosses node plane, split the line
5203 dist1 = PlaneDiff(linestart, plane);
5204 dist2 = PlaneDiff(lineend, plane);
5205 midfrac = dist1 / (dist1 - dist2);
5206 VectorLerp(linestart, midfrac, lineend, mid);
5207 // take the near side first
5208 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, node->children[startside], start, mid, startfrac, midfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
5209 // if we found an impact on the front side, don't waste time
5210 // exploring the far side
5211 if (midfrac <= trace->realfraction)
5212 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, node->children[endside], mid, end, midfrac, endfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
5217 nodesegmentmins[0] = min(start[0], end[0]) - 1;
5218 nodesegmentmins[1] = min(start[1], end[1]) - 1;
5219 nodesegmentmins[2] = min(start[2], end[2]) - 1;
5220 nodesegmentmaxs[0] = max(start[0], end[0]) + 1;
5221 nodesegmentmaxs[1] = max(start[1], end[1]) + 1;
5222 nodesegmentmaxs[2] = max(start[2], end[2]) + 1;
5223 // line trace the brushes
5224 leaf = (mleaf_t *)node;
5225 for (i = 0;i < leaf->numleafbrushes;i++)
5227 brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf;
5228 if (brush && brush->markframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, brush->mins, brush->maxs))
5230 brush->markframe = markframe;
5231 Collision_TraceLineBrushFloat(trace, linestart, lineend, brush, brush);
5234 // can't do point traces on curves (they have no thickness)
5235 if (mod_q3bsp_curves_collisions.integer && !VectorCompare(start, end))
5237 // line trace the curves
5238 for (i = 0;i < leaf->numleafsurfaces;i++)
5240 surface = model->data_surfaces + leaf->firstleafsurface[i];
5241 if (surface->num_collisiontriangles && surface->collisionmarkframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, surface->mins, surface->maxs))
5243 surface->collisionmarkframe = markframe;
5244 Collision_TraceLineTriangleMeshFloat(trace, linestart, lineend, surface->num_collisiontriangles, surface->data_collisionelement3i, surface->data_collisionvertex3f, surface->texture->supercontents, surface->texture->surfaceflags, surface->texture, segmentmins, segmentmaxs);
5250 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)
5256 msurface_t *surface;
5258 float nodesegmentmins[3], nodesegmentmaxs[3];
5259 // walk the tree until we hit a leaf, recursing for any split cases
5262 plane = node->plane;
5263 // axial planes are much more common than non-axial, so an optimized
5264 // axial case pays off here
5265 if (plane->type < 3)
5267 // this is an axial plane, compare bounding box directly to it and
5268 // recurse sides accordingly
5269 // recurse down node sides
5270 // use an inlined axial BoxOnPlaneSide to slightly reduce overhead
5271 //sides = BoxOnPlaneSide(nodesegmentmins, nodesegmentmaxs, plane);
5272 //sides = ((segmentmaxs[plane->type] >= plane->dist) | ((segmentmins[plane->type] < plane->dist) << 1));
5273 sides = ((segmentmaxs[plane->type] >= plane->dist) + ((segmentmins[plane->type] < plane->dist) * 2));
5277 // this is a non-axial plane, so check if the start and end boxes
5278 // are both on one side of the plane to handle 'diagonal' cases
5279 sides = BoxOnPlaneSide(thisbrush_start->mins, thisbrush_start->maxs, plane) | BoxOnPlaneSide(thisbrush_end->mins, thisbrush_end->maxs, plane);
5283 // segment crosses plane
5284 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, model, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
5287 // if sides == 0 then the trace itself is bogus (Not A Number values),
5288 // in this case we simply pretend the trace hit nothing
5290 return; // ERROR: NAN bounding box!
5291 // take whichever side the segment box is on
5292 node = node->children[sides - 1];
5294 nodesegmentmins[0] = max(segmentmins[0], node->mins[0] - 1);
5295 nodesegmentmins[1] = max(segmentmins[1], node->mins[1] - 1);
5296 nodesegmentmins[2] = max(segmentmins[2], node->mins[2] - 1);
5297 nodesegmentmaxs[0] = min(segmentmaxs[0], node->maxs[0] + 1);
5298 nodesegmentmaxs[1] = min(segmentmaxs[1], node->maxs[1] + 1);
5299 nodesegmentmaxs[2] = min(segmentmaxs[2], node->maxs[2] + 1);
5301 leaf = (mleaf_t *)node;
5302 for (i = 0;i < leaf->numleafbrushes;i++)
5304 brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf;
5305 if (brush && brush->markframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, brush->mins, brush->maxs))
5307 brush->markframe = markframe;
5308 Collision_TraceBrushBrushFloat(trace, thisbrush_start, thisbrush_end, brush, brush);
5311 if (mod_q3bsp_curves_collisions.integer)
5313 for (i = 0;i < leaf->numleafsurfaces;i++)
5315 surface = model->data_surfaces + leaf->firstleafsurface[i];
5316 if (surface->num_collisiontriangles && surface->collisionmarkframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, surface->mins, surface->maxs))
5318 surface->collisionmarkframe = markframe;
5319 Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, surface->num_collisiontriangles, surface->data_collisionelement3i, surface->data_collisionvertex3f, surface->texture->supercontents, surface->texture->surfaceflags, surface->texture, segmentmins, segmentmaxs);
5325 static void Mod_Q3BSP_TraceBox(model_t *model, int frame, trace_t *trace, const vec3_t start, const vec3_t boxmins, const vec3_t boxmaxs, const vec3_t end, int hitsupercontentsmask)
5328 float segmentmins[3], segmentmaxs[3];
5329 static int markframe = 0;
5330 msurface_t *surface;
5332 memset(trace, 0, sizeof(*trace));
5333 trace->fraction = 1;
5334 trace->realfraction = 1;
5335 trace->hitsupercontentsmask = hitsupercontentsmask;
5336 if (mod_q3bsp_optimizedtraceline.integer && VectorLength2(boxmins) + VectorLength2(boxmaxs) == 0)
5338 if (VectorCompare(start, end))
5341 if (model->brush.submodel)
5343 for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
5344 if (brush->colbrushf)
5345 Collision_TracePointBrushFloat(trace, start, brush->colbrushf);
5348 Mod_Q3BSP_TracePoint_RecursiveBSPNode(trace, model, model->brush.data_nodes, start, ++markframe);
5353 segmentmins[0] = min(start[0], end[0]) - 1;
5354 segmentmins[1] = min(start[1], end[1]) - 1;
5355 segmentmins[2] = min(start[2], end[2]) - 1;
5356 segmentmaxs[0] = max(start[0], end[0]) + 1;
5357 segmentmaxs[1] = max(start[1], end[1]) + 1;
5358 segmentmaxs[2] = max(start[2], end[2]) + 1;
5359 if (model->brush.submodel)
5361 for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
5362 if (brush->colbrushf)
5363 Collision_TraceLineBrushFloat(trace, start, end, brush->colbrushf, brush->colbrushf);
5364 if (mod_q3bsp_curves_collisions.integer)
5365 for (i = 0, surface = model->data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
5366 if (surface->num_collisiontriangles)
5367 Collision_TraceLineTriangleMeshFloat(trace, start, end, surface->num_collisiontriangles, surface->data_collisionelement3i, surface->data_collisionvertex3f, surface->texture->supercontents, surface->texture->surfaceflags, surface->texture, segmentmins, segmentmaxs);
5370 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, model->brush.data_nodes, start, end, 0, 1, start, end, ++markframe, segmentmins, segmentmaxs);
5375 // box trace, performed as brush trace
5376 colbrushf_t *thisbrush_start, *thisbrush_end;
5377 vec3_t boxstartmins, boxstartmaxs, boxendmins, boxendmaxs;
5378 segmentmins[0] = min(start[0], end[0]) + boxmins[0] - 1;
5379 segmentmins[1] = min(start[1], end[1]) + boxmins[1] - 1;
5380 segmentmins[2] = min(start[2], end[2]) + boxmins[2] - 1;
5381 segmentmaxs[0] = max(start[0], end[0]) + boxmaxs[0] + 1;
5382 segmentmaxs[1] = max(start[1], end[1]) + boxmaxs[1] + 1;
5383 segmentmaxs[2] = max(start[2], end[2]) + boxmaxs[2] + 1;
5384 VectorAdd(start, boxmins, boxstartmins);
5385 VectorAdd(start, boxmaxs, boxstartmaxs);
5386 VectorAdd(end, boxmins, boxendmins);
5387 VectorAdd(end, boxmaxs, boxendmaxs);
5388 thisbrush_start = Collision_BrushForBox(&identitymatrix, boxstartmins, boxstartmaxs, 0, 0, NULL);
5389 thisbrush_end = Collision_BrushForBox(&identitymatrix, boxendmins, boxendmaxs, 0, 0, NULL);
5390 if (model->brush.submodel)
5392 for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
5393 if (brush->colbrushf)
5394 Collision_TraceBrushBrushFloat(trace, thisbrush_start, thisbrush_end, brush->colbrushf, brush->colbrushf);
5395 if (mod_q3bsp_curves_collisions.integer)
5396 for (i = 0, surface = model->data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
5397 if (surface->num_collisiontriangles)
5398 Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, surface->num_collisiontriangles, surface->data_collisionelement3i, surface->data_collisionvertex3f, surface->texture->supercontents, surface->texture->surfaceflags, surface->texture, segmentmins, segmentmaxs);
5401 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, model, model->brush.data_nodes, thisbrush_start, thisbrush_end, ++markframe, segmentmins, segmentmaxs);
5405 static int Mod_Q3BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents)
5407 int supercontents = 0;
5408 if (nativecontents & CONTENTSQ3_SOLID)
5409 supercontents |= SUPERCONTENTS_SOLID;
5410 if (nativecontents & CONTENTSQ3_WATER)
5411 supercontents |= SUPERCONTENTS_WATER;
5412 if (nativecontents & CONTENTSQ3_SLIME)
5413 supercontents |= SUPERCONTENTS_SLIME;
5414 if (nativecontents & CONTENTSQ3_LAVA)
5415 supercontents |= SUPERCONTENTS_LAVA;
5416 if (nativecontents & CONTENTSQ3_BODY)
5417 supercontents |= SUPERCONTENTS_BODY;
5418 if (nativecontents & CONTENTSQ3_CORPSE)
5419 supercontents |= SUPERCONTENTS_CORPSE;
5420 if (nativecontents & CONTENTSQ3_NODROP)
5421 supercontents |= SUPERCONTENTS_NODROP;
5422 if (nativecontents & CONTENTSQ3_PLAYERCLIP)
5423 supercontents |= SUPERCONTENTS_PLAYERCLIP;
5424 if (nativecontents & CONTENTSQ3_MONSTERCLIP)
5425 supercontents |= SUPERCONTENTS_MONSTERCLIP;
5426 if (nativecontents & CONTENTSQ3_DONOTENTER)
5427 supercontents |= SUPERCONTENTS_DONOTENTER;
5428 return supercontents;
5431 static int Mod_Q3BSP_NativeContentsFromSuperContents(model_t *model, int supercontents)
5433 int nativecontents = 0;
5434 if (supercontents & SUPERCONTENTS_SOLID)
5435 nativecontents |= CONTENTSQ3_SOLID;
5436 if (supercontents & SUPERCONTENTS_WATER)
5437 nativecontents |= CONTENTSQ3_WATER;
5438 if (supercontents & SUPERCONTENTS_SLIME)
5439 nativecontents |= CONTENTSQ3_SLIME;
5440 if (supercontents & SUPERCONTENTS_LAVA)
5441 nativecontents |= CONTENTSQ3_LAVA;
5442 if (supercontents & SUPERCONTENTS_BODY)
5443 nativecontents |= CONTENTSQ3_BODY;
5444 if (supercontents & SUPERCONTENTS_CORPSE)
5445 nativecontents |= CONTENTSQ3_CORPSE;
5446 if (supercontents & SUPERCONTENTS_NODROP)
5447 nativecontents |= CONTENTSQ3_NODROP;
5448 if (supercontents & SUPERCONTENTS_PLAYERCLIP)
5449 nativecontents |= CONTENTSQ3_PLAYERCLIP;
5450 if (supercontents & SUPERCONTENTS_MONSTERCLIP)
5451 nativecontents |= CONTENTSQ3_MONSTERCLIP;
5452 if (supercontents & SUPERCONTENTS_DONOTENTER)
5453 nativecontents |= CONTENTSQ3_DONOTENTER;
5454 return nativecontents;
5457 void Mod_Q3BSP_RecursiveFindNumLeafs(mnode_t *node)
5462 Mod_Q3BSP_RecursiveFindNumLeafs(node->children[0]);
5463 node = node->children[1];
5465 numleafs = ((mleaf_t *)node - loadmodel->brush.data_leafs) + 1;
5466 if (loadmodel->brush.num_leafs < numleafs)
5467 loadmodel->brush.num_leafs = numleafs;
5470 void Mod_Q3BSP_Load(model_t *mod, void *buffer, void *bufferend)
5472 int i, j, numshadowmeshtriangles;
5473 q3dheader_t *header;
5474 float corner[3], yawradius, modelradius;
5475 msurface_t *surface;
5477 mod->type = mod_brushq3;
5478 mod->numframes = 2; // although alternate textures are not supported it is annoying to complain about no such frame 1
5481 header = (q3dheader_t *)buffer;
5483 i = LittleLong(header->version);
5484 if (i != Q3BSPVERSION)
5485 Host_Error("Mod_Q3BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q3BSPVERSION);
5486 mod->brush.ishlbsp = false;
5487 mod->brush.ismcbsp = false;
5488 if (loadmodel->isworldmodel)
5490 Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
5491 Cvar_SetValue("mcbsp", mod->brush.ismcbsp);
5494 mod->soundfromcenter = true;
5495 mod->TraceBox = Mod_Q3BSP_TraceBox;
5496 mod->brush.SuperContentsFromNativeContents = Mod_Q3BSP_SuperContentsFromNativeContents;
5497 mod->brush.NativeContentsFromSuperContents = Mod_Q3BSP_NativeContentsFromSuperContents;
5498 mod->brush.GetPVS = Mod_Q1BSP_GetPVS;
5499 mod->brush.FatPVS = Mod_Q1BSP_FatPVS;
5500 mod->brush.BoxTouchingPVS = Mod_Q1BSP_BoxTouchingPVS;
5501 mod->brush.BoxTouchingLeafPVS = Mod_Q1BSP_BoxTouchingLeafPVS;
5502 mod->brush.BoxTouchingVisibleLeafs = Mod_Q1BSP_BoxTouchingVisibleLeafs;
5503 mod->brush.FindBoxClusters = Mod_Q1BSP_FindBoxClusters;
5504 mod->brush.LightPoint = Mod_Q3BSP_LightPoint;
5505 mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
5506 mod->brush.PointInLeaf = Mod_Q1BSP_PointInLeaf;
5507 mod->Draw = R_Q1BSP_Draw;
5508 mod->GetLightInfo = R_Q1BSP_GetLightInfo;
5509 mod->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
5510 mod->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
5511 mod->DrawLight = R_Q1BSP_DrawLight;
5513 mod_base = (unsigned char *)header;
5515 // swap all the lumps
5516 header->ident = LittleLong(header->ident);
5517 header->version = LittleLong(header->version);
5518 for (i = 0;i < Q3HEADER_LUMPS;i++)
5520 header->lumps[i].fileofs = LittleLong(header->lumps[i].fileofs);
5521 header->lumps[i].filelen = LittleLong(header->lumps[i].filelen);
5524 mod->brush.qw_md4sum = 0;
5525 mod->brush.qw_md4sum2 = 0;
5526 for (i = 0;i < Q3HEADER_LUMPS;i++)
5528 if (i == Q3LUMP_ENTITIES)
5530 mod->brush.qw_md4sum ^= Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen);
5531 if (i == Q3LUMP_PVS || i == Q3LUMP_LEAFS || i == Q3LUMP_NODES)
5533 mod->brush.qw_md4sum2 ^= Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen);
5536 Mod_Q3BSP_LoadEntities(&header->lumps[Q3LUMP_ENTITIES]);
5537 Mod_Q3BSP_LoadTextures(&header->lumps[Q3LUMP_TEXTURES]);
5538 Mod_Q3BSP_LoadPlanes(&header->lumps[Q3LUMP_PLANES]);
5539 Mod_Q3BSP_LoadBrushSides(&header->lumps[Q3LUMP_BRUSHSIDES]);
5540 Mod_Q3BSP_LoadBrushes(&header->lumps[Q3LUMP_BRUSHES]);
5541 Mod_Q3BSP_LoadEffects(&header->lumps[Q3LUMP_EFFECTS]);
5542 Mod_Q3BSP_LoadVertices(&header->lumps[Q3LUMP_VERTICES]);
5543 Mod_Q3BSP_LoadTriangles(&header->lumps[Q3LUMP_TRIANGLES]);
5544 Mod_Q3BSP_LoadLightmaps(&header->lumps[Q3LUMP_LIGHTMAPS]);
5545 Mod_Q3BSP_LoadFaces(&header->lumps[Q3LUMP_FACES]);
5546 Mod_Q3BSP_LoadModels(&header->lumps[Q3LUMP_MODELS]);
5547 Mod_Q3BSP_LoadLeafBrushes(&header->lumps[Q3LUMP_LEAFBRUSHES]);
5548 Mod_Q3BSP_LoadLeafFaces(&header->lumps[Q3LUMP_LEAFFACES]);
5549 Mod_Q3BSP_LoadLeafs(&header->lumps[Q3LUMP_LEAFS]);
5550 Mod_Q3BSP_LoadNodes(&header->lumps[Q3LUMP_NODES]);
5551 Mod_Q3BSP_LoadLightGrid(&header->lumps[Q3LUMP_LIGHTGRID]);
5552 Mod_Q3BSP_LoadPVS(&header->lumps[Q3LUMP_PVS]);
5553 loadmodel->brush.numsubmodels = loadmodel->brushq3.num_models;
5555 // the MakePortals code works fine on the q3bsp data as well
5556 Mod_Q1BSP_MakePortals();
5558 // make a single combined shadow mesh to allow optimized shadow volume creation
5559 numshadowmeshtriangles = 0;
5560 for (j = 0, surface = loadmodel->data_surfaces;j < loadmodel->num_surfaces;j++, surface++)
5562 surface->num_firstshadowmeshtriangle = numshadowmeshtriangles;
5563 numshadowmeshtriangles += surface->num_triangles;
5565 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Begin(loadmodel->mempool, numshadowmeshtriangles * 3, numshadowmeshtriangles, NULL, NULL, NULL, false, false, true);
5566 for (j = 0, surface = loadmodel->data_surfaces;j < loadmodel->num_surfaces;j++, surface++)
5567 if (surface->num_triangles > 0)
5568 Mod_ShadowMesh_AddMesh(loadmodel->mempool, loadmodel->brush.shadowmesh, NULL, NULL, NULL, loadmodel->surfmesh.data_vertex3f, NULL, NULL, NULL, NULL, surface->num_triangles, (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle));
5569 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Finish(loadmodel->mempool, loadmodel->brush.shadowmesh, false, true);
5570 Mod_BuildTriangleNeighbors(loadmodel->brush.shadowmesh->neighbor3i, loadmodel->brush.shadowmesh->element3i, loadmodel->brush.shadowmesh->numtriangles);
5572 loadmodel->brush.num_leafs = 0;
5573 Mod_Q3BSP_RecursiveFindNumLeafs(loadmodel->brush.data_nodes);
5575 if (loadmodel->isworldmodel)
5577 // clear out any stale submodels or worldmodels lying around
5578 // if we did this clear before now, an error might abort loading and
5579 // leave things in a bad state
5580 Mod_RemoveStaleWorldModels(loadmodel);
5584 for (i = 0;i < loadmodel->brush.numsubmodels;i++)
5589 // LordHavoc: only register submodels if it is the world
5590 // (prevents external bsp models from replacing world submodels with
5592 if (!loadmodel->isworldmodel)
5594 // duplicate the basic information
5595 sprintf(name, "*%i", i);
5596 mod = Mod_FindName(name);
5598 strcpy(mod->name, name);
5599 // textures and memory belong to the main model
5600 mod->texturepool = NULL;
5601 mod->mempool = NULL;
5602 mod->brush.GetPVS = NULL;
5603 mod->brush.FatPVS = NULL;
5604 mod->brush.BoxTouchingPVS = NULL;
5605 mod->brush.BoxTouchingLeafPVS = NULL;
5606 mod->brush.BoxTouchingVisibleLeafs = NULL;
5607 mod->brush.FindBoxClusters = NULL;
5608 mod->brush.LightPoint = NULL;
5609 mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
5611 mod->brush.submodel = i;
5613 // make the model surface list (used by shadowing/lighting)
5614 mod->firstmodelsurface = mod->brushq3.data_models[i].firstface;
5615 mod->nummodelsurfaces = mod->brushq3.data_models[i].numfaces;
5616 mod->firstmodelbrush = mod->brushq3.data_models[i].firstbrush;
5617 mod->nummodelbrushes = mod->brushq3.data_models[i].numbrushes;
5618 mod->surfacelist = (int *)Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->surfacelist));
5619 for (j = 0;j < mod->nummodelsurfaces;j++)
5620 mod->surfacelist[j] = mod->firstmodelsurface + j;
5622 VectorCopy(mod->brushq3.data_models[i].mins, mod->normalmins);
5623 VectorCopy(mod->brushq3.data_models[i].maxs, mod->normalmaxs);
5624 corner[0] = max(fabs(mod->normalmins[0]), fabs(mod->normalmaxs[0]));
5625 corner[1] = max(fabs(mod->normalmins[1]), fabs(mod->normalmaxs[1]));
5626 corner[2] = max(fabs(mod->normalmins[2]), fabs(mod->normalmaxs[2]));
5627 modelradius = sqrt(corner[0]*corner[0]+corner[1]*corner[1]+corner[2]*corner[2]);
5628 yawradius = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
5629 mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius;
5630 mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
5631 mod->yawmaxs[0] = mod->yawmaxs[1] = yawradius;
5632 mod->yawmins[0] = mod->yawmins[1] = -yawradius;
5633 mod->yawmins[2] = mod->normalmins[2];
5634 mod->yawmaxs[2] = mod->normalmaxs[2];
5635 mod->radius = modelradius;
5636 mod->radius2 = modelradius * modelradius;
5638 for (j = 0;j < mod->nummodelsurfaces;j++)
5639 if (mod->data_surfaces[j + mod->firstmodelsurface].texture->surfaceflags & Q3SURFACEFLAG_SKY)
5641 if (j < mod->nummodelsurfaces)
5642 mod->DrawSky = R_Q1BSP_DrawSky;
5646 void Mod_IBSP_Load(model_t *mod, void *buffer, void *bufferend)
5648 int i = LittleLong(((int *)buffer)[1]);
5649 if (i == Q3BSPVERSION)
5650 Mod_Q3BSP_Load(mod,buffer, bufferend);
5651 else if (i == Q2BSPVERSION)
5652 Mod_Q2BSP_Load(mod,buffer, bufferend);
5654 Host_Error("Mod_IBSP_Load: unknown/unsupported version %i", i);
5657 void Mod_MAP_Load(model_t *mod, void *buffer, void *bufferend)
5659 Host_Error("Mod_MAP_Load: not yet implemented");