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_BuildTextureVectorsAndNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle), loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, loadmodel->surfmesh.data_normal3f, true);
2136 BoxFromPoints(surface->mins, surface->maxs, surface->num_vertices, (loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex));
2138 // generate surface extents information
2139 texmins[0] = texmaxs[0] = DotProduct((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex), surface->lightmapinfo->texinfo->vecs[0]) + surface->lightmapinfo->texinfo->vecs[0][3];
2140 texmins[1] = texmaxs[1] = DotProduct((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex), surface->lightmapinfo->texinfo->vecs[1]) + surface->lightmapinfo->texinfo->vecs[1][3];
2141 for (i = 1;i < surface->num_vertices;i++)
2143 for (j = 0;j < 2;j++)
2145 val = DotProduct((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3, surface->lightmapinfo->texinfo->vecs[j]) + surface->lightmapinfo->texinfo->vecs[j][3];
2146 texmins[j] = min(texmins[j], val);
2147 texmaxs[j] = max(texmaxs[j], val);
2150 for (i = 0;i < 2;i++)
2152 surface->lightmapinfo->texturemins[i] = (int) floor(texmins[i] / 16.0) * 16;
2153 surface->lightmapinfo->extents[i] = (int) ceil(texmaxs[i] / 16.0) * 16 - surface->lightmapinfo->texturemins[i];
2156 smax = surface->lightmapinfo->extents[0] >> 4;
2157 tmax = surface->lightmapinfo->extents[1] >> 4;
2158 ssize = (surface->lightmapinfo->extents[0] >> 4) + 1;
2159 tsize = (surface->lightmapinfo->extents[1] >> 4) + 1;
2162 for (i = 0;i < MAXLIGHTMAPS;i++)
2163 surface->lightmapinfo->styles[i] = in->styles[i];
2164 surface->lightmaptexture = NULL;
2165 surface->deluxemaptexture = r_texture_blanknormalmap;
2166 i = LittleLong(in->lightofs);
2169 surface->lightmapinfo->samples = NULL;
2170 // give non-lightmapped water a 1x white lightmap
2171 if ((surface->texture->basematerialflags & MATERIALFLAG_WATER) && (surface->lightmapinfo->texinfo->flags & TEX_SPECIAL) && ssize <= 256 && tsize <= 256)
2173 surface->lightmapinfo->samples = (unsigned char *)Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
2174 surface->lightmapinfo->styles[0] = 0;
2175 memset(surface->lightmapinfo->samples, 128, ssize * tsize * 3);
2178 else if (loadmodel->brush.ishlbsp) // LordHavoc: HalfLife map (bsp version 30)
2179 surface->lightmapinfo->samples = loadmodel->brushq1.lightdata + i;
2180 else // LordHavoc: white lighting (bsp version 29)
2182 surface->lightmapinfo->samples = loadmodel->brushq1.lightdata + (i * 3);
2183 if (loadmodel->brushq1.nmaplightdata)
2184 surface->lightmapinfo->nmapsamples = loadmodel->brushq1.nmaplightdata + (i * 3);
2187 // check if we should apply a lightmap to this
2188 if (!(surface->lightmapinfo->texinfo->flags & TEX_SPECIAL) || surface->lightmapinfo->samples)
2190 int i, iu, iv, lightmapx, lightmapy;
2191 float u, v, ubase, vbase, uscale, vscale;
2193 if (ssize > 256 || tsize > 256)
2194 Host_Error("Bad surface extents");
2195 // force lightmap upload on first time seeing the surface
2196 surface->cached_dlight = true;
2197 // stainmap for permanent marks on walls
2198 surface->lightmapinfo->stainsamples = (unsigned char *)Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
2200 memset(surface->lightmapinfo->stainsamples, 255, ssize * tsize * 3);
2202 // find a place for this lightmap
2203 if (!lightmaptexture || !Mod_Q1BSP_AllocLightmapBlock(lightmap_lineused, LIGHTMAPSIZE, LIGHTMAPSIZE, ssize, tsize, &lightmapx, &lightmapy))
2205 // could not find room, make a new lightmap
2206 lightmaptexture = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%i", lightmapnumber), LIGHTMAPSIZE, LIGHTMAPSIZE, NULL, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
2207 if (loadmodel->brushq1.nmaplightdata)
2208 deluxemaptexture = R_LoadTexture2D(loadmodel->texturepool, va("deluxemap%i", lightmapnumber), LIGHTMAPSIZE, LIGHTMAPSIZE, NULL, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
2210 memset(lightmap_lineused, 0, sizeof(lightmap_lineused));
2211 Mod_Q1BSP_AllocLightmapBlock(lightmap_lineused, LIGHTMAPSIZE, LIGHTMAPSIZE, ssize, tsize, &lightmapx, &lightmapy);
2214 surface->lightmaptexture = lightmaptexture;
2215 surface->deluxemaptexture = deluxemaptexture;
2216 surface->lightmapinfo->lightmaporigin[0] = lightmapx;
2217 surface->lightmapinfo->lightmaporigin[1] = lightmapy;
2219 ubase = lightmapx * lightmaptexcoordscale;
2220 vbase = lightmapy * lightmaptexcoordscale;
2221 uscale = lightmaptexcoordscale;
2222 vscale = lightmaptexcoordscale;
2224 for (i = 0;i < surface->num_vertices;i++)
2226 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);
2227 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);
2228 (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 0] = u * uscale + ubase;
2229 (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 1] = v * vscale + vbase;
2230 // LordHavoc: calc lightmap data offset for vertex lighting to use
2233 (loadmodel->surfmesh.data_lightmapoffsets + surface->num_firstvertex)[i] = (bound(0, iv, tmax) * ssize + bound(0, iu, smax)) * 3;
2239 static void Mod_Q1BSP_LoadNodes_RecursiveSetParent(mnode_t *node, mnode_t *parent)
2242 // Host_Error("Mod_Q1BSP_LoadNodes_RecursiveSetParent: runaway recursion");
2243 node->parent = parent;
2246 Mod_Q1BSP_LoadNodes_RecursiveSetParent(node->children[0], node);
2247 Mod_Q1BSP_LoadNodes_RecursiveSetParent(node->children[1], node);
2251 static void Mod_Q1BSP_LoadNodes(lump_t *l)
2257 in = (dnode_t *)(mod_base + l->fileofs);
2258 if (l->filelen % sizeof(*in))
2259 Host_Error("Mod_Q1BSP_LoadNodes: funny lump size in %s",loadmodel->name);
2260 count = l->filelen / sizeof(*in);
2261 out = (mnode_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
2263 loadmodel->brush.data_nodes = out;
2264 loadmodel->brush.num_nodes = count;
2266 for ( i=0 ; i<count ; i++, in++, out++)
2268 for (j=0 ; j<3 ; j++)
2270 out->mins[j] = LittleShort(in->mins[j]);
2271 out->maxs[j] = LittleShort(in->maxs[j]);
2274 p = LittleLong(in->planenum);
2275 out->plane = loadmodel->brush.data_planes + p;
2277 out->firstsurface = LittleShort(in->firstface);
2278 out->numsurfaces = LittleShort(in->numfaces);
2280 for (j=0 ; j<2 ; j++)
2282 p = LittleShort(in->children[j]);
2284 out->children[j] = loadmodel->brush.data_nodes + p;
2286 out->children[j] = (mnode_t *)(loadmodel->brush.data_leafs + (-1 - p));
2290 Mod_Q1BSP_LoadNodes_RecursiveSetParent(loadmodel->brush.data_nodes, NULL); // sets nodes and leafs
2293 static void Mod_Q1BSP_LoadLeafs(lump_t *l)
2299 in = (dleaf_t *)(mod_base + l->fileofs);
2300 if (l->filelen % sizeof(*in))
2301 Host_Error("Mod_Q1BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
2302 count = l->filelen / sizeof(*in);
2303 out = (mleaf_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
2305 loadmodel->brush.data_leafs = out;
2306 loadmodel->brush.num_leafs = count;
2307 // get visleafs from the submodel data
2308 loadmodel->brush.num_pvsclusters = loadmodel->brushq1.submodels[0].visleafs;
2309 loadmodel->brush.num_pvsclusterbytes = (loadmodel->brush.num_pvsclusters+7)>>3;
2310 loadmodel->brush.data_pvsclusters = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_pvsclusters * loadmodel->brush.num_pvsclusterbytes);
2311 memset(loadmodel->brush.data_pvsclusters, 0xFF, loadmodel->brush.num_pvsclusters * loadmodel->brush.num_pvsclusterbytes);
2313 for ( i=0 ; i<count ; i++, in++, out++)
2315 for (j=0 ; j<3 ; j++)
2317 out->mins[j] = LittleShort(in->mins[j]);
2318 out->maxs[j] = LittleShort(in->maxs[j]);
2321 // FIXME: this function could really benefit from some error checking
2323 out->contents = LittleLong(in->contents);
2325 out->firstleafsurface = loadmodel->brush.data_leafsurfaces + LittleShort(in->firstmarksurface);
2326 out->numleafsurfaces = LittleShort(in->nummarksurfaces);
2327 if (out->firstleafsurface < 0 || LittleShort(in->firstmarksurface) + out->numleafsurfaces > loadmodel->brush.num_leafsurfaces)
2329 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);
2330 out->firstleafsurface = NULL;
2331 out->numleafsurfaces = 0;
2334 out->clusterindex = i - 1;
2335 if (out->clusterindex >= loadmodel->brush.num_pvsclusters)
2336 out->clusterindex = -1;
2338 p = LittleLong(in->visofs);
2339 // ignore visofs errors on leaf 0 (solid)
2340 if (p >= 0 && out->clusterindex >= 0)
2342 if (p >= loadmodel->brushq1.num_compressedpvs)
2343 Con_Print("Mod_Q1BSP_LoadLeafs: invalid visofs\n");
2345 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);
2348 for (j = 0;j < 4;j++)
2349 out->ambient_sound_level[j] = in->ambient_level[j];
2351 // FIXME: Insert caustics here
2355 static void Mod_Q1BSP_LoadClipnodes(lump_t *l, hullinfo_t *hullinfo)
2357 dclipnode_t *in, *out;
2361 in = (dclipnode_t *)(mod_base + l->fileofs);
2362 if (l->filelen % sizeof(*in))
2363 Host_Error("Mod_Q1BSP_LoadClipnodes: funny lump size in %s",loadmodel->name);
2364 count = l->filelen / sizeof(*in);
2365 out = (dclipnode_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
2367 loadmodel->brushq1.clipnodes = out;
2368 loadmodel->brushq1.numclipnodes = count;
2370 for (i = 1; i < hullinfo->numhulls; i++)
2372 hull = &loadmodel->brushq1.hulls[i];
2373 hull->clipnodes = out;
2374 hull->firstclipnode = 0;
2375 hull->lastclipnode = count-1;
2376 hull->planes = loadmodel->brush.data_planes;
2377 hull->clip_mins[0] = hullinfo->hullsizes[i][0][0];
2378 hull->clip_mins[1] = hullinfo->hullsizes[i][0][1];
2379 hull->clip_mins[2] = hullinfo->hullsizes[i][0][2];
2380 hull->clip_maxs[0] = hullinfo->hullsizes[i][1][0];
2381 hull->clip_maxs[1] = hullinfo->hullsizes[i][1][1];
2382 hull->clip_maxs[2] = hullinfo->hullsizes[i][1][2];
2383 VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
2386 for (i=0 ; i<count ; i++, out++, in++)
2388 out->planenum = LittleLong(in->planenum);
2389 out->children[0] = LittleShort(in->children[0]);
2390 out->children[1] = LittleShort(in->children[1]);
2391 if (out->planenum < 0 || out->planenum >= loadmodel->brush.num_planes)
2392 Host_Error("Corrupt clipping hull(out of range planenum)");
2393 if (out->children[0] >= count || out->children[1] >= count)
2394 Host_Error("Corrupt clipping hull(out of range child)");
2398 //Duplicate the drawing hull structure as a clipping hull
2399 static void Mod_Q1BSP_MakeHull0(void)
2406 hull = &loadmodel->brushq1.hulls[0];
2408 in = loadmodel->brush.data_nodes;
2409 out = (dclipnode_t *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_nodes * sizeof(dclipnode_t));
2411 hull->clipnodes = out;
2412 hull->firstclipnode = 0;
2413 hull->lastclipnode = loadmodel->brush.num_nodes - 1;
2414 hull->planes = loadmodel->brush.data_planes;
2416 for (i = 0;i < loadmodel->brush.num_nodes;i++, out++, in++)
2418 out->planenum = in->plane - loadmodel->brush.data_planes;
2419 out->children[0] = in->children[0]->plane ? in->children[0] - loadmodel->brush.data_nodes : ((mleaf_t *)in->children[0])->contents;
2420 out->children[1] = in->children[1]->plane ? in->children[1] - loadmodel->brush.data_nodes : ((mleaf_t *)in->children[1])->contents;
2424 static void Mod_Q1BSP_LoadLeaffaces(lump_t *l)
2429 in = (short *)(mod_base + l->fileofs);
2430 if (l->filelen % sizeof(*in))
2431 Host_Error("Mod_Q1BSP_LoadLeaffaces: funny lump size in %s",loadmodel->name);
2432 loadmodel->brush.num_leafsurfaces = l->filelen / sizeof(*in);
2433 loadmodel->brush.data_leafsurfaces = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_leafsurfaces * sizeof(int));
2435 for (i = 0;i < loadmodel->brush.num_leafsurfaces;i++)
2437 j = (unsigned) LittleShort(in[i]);
2438 if (j >= loadmodel->num_surfaces)
2439 Host_Error("Mod_Q1BSP_LoadLeaffaces: bad surface number");
2440 loadmodel->brush.data_leafsurfaces[i] = j;
2444 static void Mod_Q1BSP_LoadSurfedges(lump_t *l)
2449 in = (int *)(mod_base + l->fileofs);
2450 if (l->filelen % sizeof(*in))
2451 Host_Error("Mod_Q1BSP_LoadSurfedges: funny lump size in %s",loadmodel->name);
2452 loadmodel->brushq1.numsurfedges = l->filelen / sizeof(*in);
2453 loadmodel->brushq1.surfedges = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.numsurfedges * sizeof(int));
2455 for (i = 0;i < loadmodel->brushq1.numsurfedges;i++)
2456 loadmodel->brushq1.surfedges[i] = LittleLong(in[i]);
2460 static void Mod_Q1BSP_LoadPlanes(lump_t *l)
2466 in = (dplane_t *)(mod_base + l->fileofs);
2467 if (l->filelen % sizeof(*in))
2468 Host_Error("Mod_Q1BSP_LoadPlanes: funny lump size in %s", loadmodel->name);
2470 loadmodel->brush.num_planes = l->filelen / sizeof(*in);
2471 loadmodel->brush.data_planes = out = (mplane_t *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_planes * sizeof(*out));
2473 for (i = 0;i < loadmodel->brush.num_planes;i++, in++, out++)
2475 out->normal[0] = LittleFloat(in->normal[0]);
2476 out->normal[1] = LittleFloat(in->normal[1]);
2477 out->normal[2] = LittleFloat(in->normal[2]);
2478 out->dist = LittleFloat(in->dist);
2484 static void Mod_Q1BSP_LoadMapBrushes(void)
2488 int submodel, numbrushes;
2489 qboolean firstbrush;
2490 char *text, *maptext;
2491 char mapfilename[MAX_QPATH];
2492 FS_StripExtension (loadmodel->name, mapfilename, sizeof (mapfilename));
2493 strlcat (mapfilename, ".map", sizeof (mapfilename));
2494 maptext = (unsigned char*) FS_LoadFile(mapfilename, tempmempool, false, NULL);
2498 if (!COM_ParseToken(&data, false))
2503 if (!COM_ParseToken(&data, false))
2505 if (com_token[0] != '{')
2511 brushes = Mem_Alloc(loadmodel->mempool, maxbrushes * sizeof(mbrush_t));
2514 if (!COM_ParseToken(&data, false))
2516 if (com_token[0] == '}')
2517 break; // end of entity
2518 if (com_token[0] == '{')
2525 if (submodel > loadmodel->brush.numsubmodels)
2527 Con_Printf("Mod_Q1BSP_LoadMapBrushes: .map has more submodels than .bsp!\n");
2531 model = loadmodel->brush.submodels[submodel];
2538 if (!COM_ParseToken(&data, false))
2540 if (com_token[0] == '}')
2541 break; // end of brush
2542 // each brush face should be this format:
2543 // ( x y z ) ( x y z ) ( x y z ) texture scroll_s scroll_t rotateangle scale_s scale_t
2544 // FIXME: support hl .map format
2545 for (pointnum = 0;pointnum < 3;pointnum++)
2547 COM_ParseToken(&data, false);
2548 for (componentnum = 0;componentnum < 3;componentnum++)
2550 COM_ParseToken(&data, false);
2551 point[pointnum][componentnum] = atof(com_token);
2553 COM_ParseToken(&data, false);
2555 COM_ParseToken(&data, false);
2556 strlcpy(facetexture, com_token, sizeof(facetexture));
2557 COM_ParseToken(&data, false);
2558 //scroll_s = atof(com_token);
2559 COM_ParseToken(&data, false);
2560 //scroll_t = atof(com_token);
2561 COM_ParseToken(&data, false);
2562 //rotate = atof(com_token);
2563 COM_ParseToken(&data, false);
2564 //scale_s = atof(com_token);
2565 COM_ParseToken(&data, false);
2566 //scale_t = atof(com_token);
2567 TriangleNormal(point[0], point[1], point[2], planenormal);
2568 VectorNormalizeDouble(planenormal);
2569 planedist = DotProduct(point[0], planenormal);
2570 //ChooseTexturePlane(planenormal, texturevector[0], texturevector[1]);
2580 #define MAX_PORTALPOINTS 64
2582 typedef struct portal_s
2585 mnode_t *nodes[2]; // [0] = front side of plane
2586 struct portal_s *next[2];
2588 double points[3*MAX_PORTALPOINTS];
2589 struct portal_s *chain; // all portals are linked into a list
2593 static portal_t *portalchain;
2600 static portal_t *AllocPortal(void)
2603 p = (portal_t *)Mem_Alloc(loadmodel->mempool, sizeof(portal_t));
2604 p->chain = portalchain;
2609 static void FreePortal(portal_t *p)
2614 static void Mod_Q1BSP_RecursiveRecalcNodeBBox(mnode_t *node)
2616 // process only nodes (leafs already had their box calculated)
2620 // calculate children first
2621 Mod_Q1BSP_RecursiveRecalcNodeBBox(node->children[0]);
2622 Mod_Q1BSP_RecursiveRecalcNodeBBox(node->children[1]);
2624 // make combined bounding box from children
2625 node->mins[0] = min(node->children[0]->mins[0], node->children[1]->mins[0]);
2626 node->mins[1] = min(node->children[0]->mins[1], node->children[1]->mins[1]);
2627 node->mins[2] = min(node->children[0]->mins[2], node->children[1]->mins[2]);
2628 node->maxs[0] = max(node->children[0]->maxs[0], node->children[1]->maxs[0]);
2629 node->maxs[1] = max(node->children[0]->maxs[1], node->children[1]->maxs[1]);
2630 node->maxs[2] = max(node->children[0]->maxs[2], node->children[1]->maxs[2]);
2633 static void Mod_Q1BSP_FinalizePortals(void)
2635 int i, j, numportals, numpoints;
2636 portal_t *p, *pnext;
2639 mleaf_t *leaf, *endleaf;
2641 // tally up portal and point counts and recalculate bounding boxes for all
2642 // leafs (because qbsp is very sloppy)
2643 leaf = loadmodel->brush.data_leafs;
2644 endleaf = leaf + loadmodel->brush.num_leafs;
2645 for (;leaf < endleaf;leaf++)
2647 VectorSet(leaf->mins, 2000000000, 2000000000, 2000000000);
2648 VectorSet(leaf->maxs, -2000000000, -2000000000, -2000000000);
2655 // note: this check must match the one below or it will usually corrupt memory
2656 // 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
2657 if (p->numpoints >= 3 && p->nodes[0] != p->nodes[1] && ((mleaf_t *)p->nodes[0])->clusterindex >= 0 && ((mleaf_t *)p->nodes[1])->clusterindex >= 0)
2660 numpoints += p->numpoints * 2;
2664 loadmodel->brush.data_portals = (mportal_t *)Mem_Alloc(loadmodel->mempool, numportals * sizeof(mportal_t) + numpoints * sizeof(mvertex_t));
2665 loadmodel->brush.num_portals = numportals;
2666 loadmodel->brush.data_portalpoints = (mvertex_t *)((unsigned char *) loadmodel->brush.data_portals + numportals * sizeof(mportal_t));
2667 loadmodel->brush.num_portalpoints = numpoints;
2668 // clear all leaf portal chains
2669 for (i = 0;i < loadmodel->brush.num_leafs;i++)
2670 loadmodel->brush.data_leafs[i].portals = NULL;
2671 // process all portals in the global portal chain, while freeing them
2672 portal = loadmodel->brush.data_portals;
2673 point = loadmodel->brush.data_portalpoints;
2680 if (p->numpoints >= 3 && p->nodes[0] != p->nodes[1])
2682 // note: this check must match the one above or it will usually corrupt memory
2683 // 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
2684 if (((mleaf_t *)p->nodes[0])->clusterindex >= 0 && ((mleaf_t *)p->nodes[1])->clusterindex >= 0)
2686 // first make the back to front portal(forward portal)
2687 portal->points = point;
2688 portal->numpoints = p->numpoints;
2689 portal->plane.dist = p->plane.dist;
2690 VectorCopy(p->plane.normal, portal->plane.normal);
2691 portal->here = (mleaf_t *)p->nodes[1];
2692 portal->past = (mleaf_t *)p->nodes[0];
2694 for (j = 0;j < portal->numpoints;j++)
2696 VectorCopy(p->points + j*3, point->position);
2699 BoxFromPoints(portal->mins, portal->maxs, portal->numpoints, portal->points->position);
2700 PlaneClassify(&portal->plane);
2702 // link into leaf's portal chain
2703 portal->next = portal->here->portals;
2704 portal->here->portals = portal;
2706 // advance to next portal
2709 // then make the front to back portal(backward portal)
2710 portal->points = point;
2711 portal->numpoints = p->numpoints;
2712 portal->plane.dist = -p->plane.dist;
2713 VectorNegate(p->plane.normal, portal->plane.normal);
2714 portal->here = (mleaf_t *)p->nodes[0];
2715 portal->past = (mleaf_t *)p->nodes[1];
2717 for (j = portal->numpoints - 1;j >= 0;j--)
2719 VectorCopy(p->points + j*3, point->position);
2722 BoxFromPoints(portal->mins, portal->maxs, portal->numpoints, portal->points->position);
2723 PlaneClassify(&portal->plane);
2725 // link into leaf's portal chain
2726 portal->next = portal->here->portals;
2727 portal->here->portals = portal;
2729 // advance to next portal
2732 // add the portal's polygon points to the leaf bounding boxes
2733 for (i = 0;i < 2;i++)
2735 leaf = (mleaf_t *)p->nodes[i];
2736 for (j = 0;j < p->numpoints;j++)
2738 if (leaf->mins[0] > p->points[j*3+0]) leaf->mins[0] = p->points[j*3+0];
2739 if (leaf->mins[1] > p->points[j*3+1]) leaf->mins[1] = p->points[j*3+1];
2740 if (leaf->mins[2] > p->points[j*3+2]) leaf->mins[2] = p->points[j*3+2];
2741 if (leaf->maxs[0] < p->points[j*3+0]) leaf->maxs[0] = p->points[j*3+0];
2742 if (leaf->maxs[1] < p->points[j*3+1]) leaf->maxs[1] = p->points[j*3+1];
2743 if (leaf->maxs[2] < p->points[j*3+2]) leaf->maxs[2] = p->points[j*3+2];
2750 // now recalculate the node bounding boxes from the leafs
2751 Mod_Q1BSP_RecursiveRecalcNodeBBox(loadmodel->brush.data_nodes);
2759 static void AddPortalToNodes(portal_t *p, mnode_t *front, mnode_t *back)
2762 Host_Error("AddPortalToNodes: NULL front node");
2764 Host_Error("AddPortalToNodes: NULL back node");
2765 if (p->nodes[0] || p->nodes[1])
2766 Host_Error("AddPortalToNodes: already included");
2767 // 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
2769 p->nodes[0] = front;
2770 p->next[0] = (portal_t *)front->portals;
2771 front->portals = (mportal_t *)p;
2774 p->next[1] = (portal_t *)back->portals;
2775 back->portals = (mportal_t *)p;
2780 RemovePortalFromNode
2783 static void RemovePortalFromNodes(portal_t *portal)
2787 void **portalpointer;
2789 for (i = 0;i < 2;i++)
2791 node = portal->nodes[i];
2793 portalpointer = (void **) &node->portals;
2796 t = (portal_t *)*portalpointer;
2798 Host_Error("RemovePortalFromNodes: portal not in leaf");
2802 if (portal->nodes[0] == node)
2804 *portalpointer = portal->next[0];
2805 portal->nodes[0] = NULL;
2807 else if (portal->nodes[1] == node)
2809 *portalpointer = portal->next[1];
2810 portal->nodes[1] = NULL;
2813 Host_Error("RemovePortalFromNodes: portal not bounding leaf");
2817 if (t->nodes[0] == node)
2818 portalpointer = (void **) &t->next[0];
2819 else if (t->nodes[1] == node)
2820 portalpointer = (void **) &t->next[1];
2822 Host_Error("RemovePortalFromNodes: portal not bounding leaf");
2827 static void Mod_Q1BSP_RecursiveNodePortals(mnode_t *node)
2830 mnode_t *front, *back, *other_node;
2831 mplane_t clipplane, *plane;
2832 portal_t *portal, *nextportal, *nodeportal, *splitportal, *temp;
2833 int numfrontpoints, numbackpoints;
2834 double frontpoints[3*MAX_PORTALPOINTS], backpoints[3*MAX_PORTALPOINTS];
2836 // if a leaf, we're done
2840 plane = node->plane;
2842 front = node->children[0];
2843 back = node->children[1];
2845 Host_Error("Mod_Q1BSP_RecursiveNodePortals: corrupt node hierarchy");
2847 // create the new portal by generating a polygon for the node plane,
2848 // and clipping it by all of the other portals(which came from nodes above this one)
2849 nodeportal = AllocPortal();
2850 nodeportal->plane = *plane;
2852 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);
2853 nodeportal->numpoints = 4;
2854 side = 0; // shut up compiler warning
2855 for (portal = (portal_t *)node->portals;portal;portal = portal->next[side])
2857 clipplane = portal->plane;
2858 if (portal->nodes[0] == portal->nodes[1])
2859 Host_Error("Mod_Q1BSP_RecursiveNodePortals: portal has same node on both sides(1)");
2860 if (portal->nodes[0] == node)
2862 else if (portal->nodes[1] == node)
2864 clipplane.dist = -clipplane.dist;
2865 VectorNegate(clipplane.normal, clipplane.normal);
2869 Host_Error("Mod_Q1BSP_RecursiveNodePortals: mislinked portal");
2871 for (i = 0;i < nodeportal->numpoints*3;i++)
2872 frontpoints[i] = nodeportal->points[i];
2873 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);
2874 if (nodeportal->numpoints <= 0 || nodeportal->numpoints >= MAX_PORTALPOINTS)
2878 if (nodeportal->numpoints < 3)
2880 Con_Print("Mod_Q1BSP_RecursiveNodePortals: WARNING: new portal was clipped away\n");
2881 nodeportal->numpoints = 0;
2883 else if (nodeportal->numpoints >= MAX_PORTALPOINTS)
2885 Con_Print("Mod_Q1BSP_RecursiveNodePortals: WARNING: new portal has too many points\n");
2886 nodeportal->numpoints = 0;
2889 AddPortalToNodes(nodeportal, front, back);
2891 // split the portals of this node along this node's plane and assign them to the children of this node
2892 // (migrating the portals downward through the tree)
2893 for (portal = (portal_t *)node->portals;portal;portal = nextportal)
2895 if (portal->nodes[0] == portal->nodes[1])
2896 Host_Error("Mod_Q1BSP_RecursiveNodePortals: portal has same node on both sides(2)");
2897 if (portal->nodes[0] == node)
2899 else if (portal->nodes[1] == node)
2902 Host_Error("Mod_Q1BSP_RecursiveNodePortals: mislinked portal");
2903 nextportal = portal->next[side];
2904 if (!portal->numpoints)
2907 other_node = portal->nodes[!side];
2908 RemovePortalFromNodes(portal);
2910 // cut the portal into two portals, one on each side of the node plane
2911 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);
2913 if (!numfrontpoints)
2916 AddPortalToNodes(portal, back, other_node);
2918 AddPortalToNodes(portal, other_node, back);
2924 AddPortalToNodes(portal, front, other_node);
2926 AddPortalToNodes(portal, other_node, front);
2930 // the portal is split
2931 splitportal = AllocPortal();
2932 temp = splitportal->chain;
2933 *splitportal = *portal;
2934 splitportal->chain = temp;
2935 for (i = 0;i < numbackpoints*3;i++)
2936 splitportal->points[i] = backpoints[i];
2937 splitportal->numpoints = numbackpoints;
2938 for (i = 0;i < numfrontpoints*3;i++)
2939 portal->points[i] = frontpoints[i];
2940 portal->numpoints = numfrontpoints;
2944 AddPortalToNodes(portal, front, other_node);
2945 AddPortalToNodes(splitportal, back, other_node);
2949 AddPortalToNodes(portal, other_node, front);
2950 AddPortalToNodes(splitportal, other_node, back);
2954 Mod_Q1BSP_RecursiveNodePortals(front);
2955 Mod_Q1BSP_RecursiveNodePortals(back);
2958 static void Mod_Q1BSP_MakePortals(void)
2961 Mod_Q1BSP_RecursiveNodePortals(loadmodel->brush.data_nodes);
2962 Mod_Q1BSP_FinalizePortals();
2965 static void Mod_Q1BSP_BuildLightmapUpdateChains(mempool_t *mempool, model_t *model)
2967 int i, j, stylecounts[256], totalcount, remapstyles[256];
2968 msurface_t *surface;
2969 memset(stylecounts, 0, sizeof(stylecounts));
2970 for (i = 0;i < model->nummodelsurfaces;i++)
2972 surface = model->data_surfaces + model->firstmodelsurface + i;
2973 for (j = 0;j < MAXLIGHTMAPS;j++)
2974 stylecounts[surface->lightmapinfo->styles[j]]++;
2977 model->brushq1.light_styles = 0;
2978 for (i = 0;i < 255;i++)
2982 remapstyles[i] = model->brushq1.light_styles++;
2983 totalcount += stylecounts[i] + 1;
2988 model->brushq1.light_style = (unsigned char *)Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(unsigned char));
2989 model->brushq1.light_stylevalue = (int *)Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(int));
2990 model->brushq1.light_styleupdatechains = (msurface_t ***)Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(msurface_t **));
2991 model->brushq1.light_styleupdatechainsbuffer = (msurface_t **)Mem_Alloc(mempool, totalcount * sizeof(msurface_t *));
2992 model->brushq1.light_styles = 0;
2993 for (i = 0;i < 255;i++)
2995 model->brushq1.light_style[model->brushq1.light_styles++] = i;
2997 for (i = 0;i < model->brushq1.light_styles;i++)
2999 model->brushq1.light_styleupdatechains[i] = model->brushq1.light_styleupdatechainsbuffer + j;
3000 j += stylecounts[model->brushq1.light_style[i]] + 1;
3002 for (i = 0;i < model->nummodelsurfaces;i++)
3004 surface = model->data_surfaces + model->firstmodelsurface + i;
3005 for (j = 0;j < MAXLIGHTMAPS;j++)
3006 if (surface->lightmapinfo->styles[j] != 255)
3007 *model->brushq1.light_styleupdatechains[remapstyles[surface->lightmapinfo->styles[j]]]++ = surface;
3010 for (i = 0;i < model->brushq1.light_styles;i++)
3012 *model->brushq1.light_styleupdatechains[i] = NULL;
3013 model->brushq1.light_styleupdatechains[i] = model->brushq1.light_styleupdatechainsbuffer + j;
3014 j += stylecounts[model->brushq1.light_style[i]] + 1;
3018 //Returns PVS data for a given point
3019 //(note: can return NULL)
3020 static unsigned char *Mod_Q1BSP_GetPVS(model_t *model, const vec3_t p)
3023 node = model->brush.data_nodes;
3025 node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct(p,node->plane->normal)) < node->plane->dist];
3026 if (((mleaf_t *)node)->clusterindex >= 0)
3027 return model->brush.data_pvsclusters + ((mleaf_t *)node)->clusterindex * model->brush.num_pvsclusterbytes;
3032 static void Mod_Q1BSP_FatPVS_RecursiveBSPNode(model_t *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbytes, mnode_t *node)
3036 float d = PlaneDiff(org, node->plane);
3038 node = node->children[0];
3039 else if (d < -radius)
3040 node = node->children[1];
3043 // go down both sides
3044 Mod_Q1BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, pvsbytes, node->children[0]);
3045 node = node->children[1];
3048 // if this leaf is in a cluster, accumulate the pvs bits
3049 if (((mleaf_t *)node)->clusterindex >= 0)
3052 unsigned char *pvs = model->brush.data_pvsclusters + ((mleaf_t *)node)->clusterindex * model->brush.num_pvsclusterbytes;
3053 for (i = 0;i < pvsbytes;i++)
3054 pvsbuffer[i] |= pvs[i];
3058 //Calculates a PVS that is the inclusive or of all leafs within radius pixels
3059 //of the given point.
3060 static int Mod_Q1BSP_FatPVS(model_t *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength)
3062 int bytes = model->brush.num_pvsclusterbytes;
3063 bytes = min(bytes, pvsbufferlength);
3064 if (r_novis.integer || !model->brush.num_pvsclusters || !Mod_Q1BSP_GetPVS(model, org))
3066 memset(pvsbuffer, 0xFF, bytes);
3069 memset(pvsbuffer, 0, bytes);
3070 Mod_Q1BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, bytes, model->brush.data_nodes);
3074 static void Mod_Q1BSP_RoundUpToHullSize(model_t *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs)
3079 VectorSubtract(inmaxs, inmins, size);
3080 if (cmodel->brush.ismcbsp)
3083 hull = &cmodel->brushq1.hulls[0]; // 0x0x0
3084 else if (size[2] < 48) // pick the nearest of 40 or 56
3085 hull = &cmodel->brushq1.hulls[2]; // 16x16x40
3087 hull = &cmodel->brushq1.hulls[1]; // 16x16x56
3089 else if (cmodel->brush.ishlbsp)
3092 hull = &cmodel->brushq1.hulls[0]; // 0x0x0
3093 else if (size[0] <= 32)
3095 if (size[2] < 54) // pick the nearest of 36 or 72
3096 hull = &cmodel->brushq1.hulls[3]; // 32x32x36
3098 hull = &cmodel->brushq1.hulls[1]; // 32x32x72
3101 hull = &cmodel->brushq1.hulls[2]; // 64x64x64
3106 hull = &cmodel->brushq1.hulls[0]; // 0x0x0
3107 else if (size[0] <= 32)
3108 hull = &cmodel->brushq1.hulls[1]; // 32x32x56
3110 hull = &cmodel->brushq1.hulls[2]; // 64x64x88
3112 VectorCopy(inmins, outmins);
3113 VectorAdd(inmins, hull->clip_size, outmaxs);
3116 void Mod_Q1BSP_Load(model_t *mod, void *buffer, void *bufferend)
3121 mempool_t *mainmempool;
3122 float dist, modelyawradius, modelradius, *vec;
3123 msurface_t *surface;
3124 int numshadowmeshtriangles;
3126 hullinfo_t hullinfo;
3128 mod->type = mod_brushq1;
3130 if (!memcmp (buffer, "MCBSPpad", 8))
3132 unsigned char *index;
3134 mod->brush.ismcbsp = true;
3135 mod->brush.ishlbsp = false;
3137 mod_base = (unsigned char*)buffer;
3141 i = SB_ReadInt (&index);
3142 if (i != MCBSPVERSION)
3143 Host_Error("Mod_Q1BSP_Load: %s has wrong version number(%i should be %i)", mod->name, i, MCBSPVERSION);
3146 hullinfo.numhulls = LittleLong(*(int*)index); index += 4;
3147 hullinfo.filehulls = hullinfo.numhulls;
3148 VectorClear (hullinfo.hullsizes[0][0]);
3149 VectorClear (hullinfo.hullsizes[0][1]);
3150 for (i = 1; i < hullinfo.numhulls; i++)
3152 hullinfo.hullsizes[i][0][0] = SB_ReadFloat (&index);
3153 hullinfo.hullsizes[i][0][1] = SB_ReadFloat (&index);
3154 hullinfo.hullsizes[i][0][2] = SB_ReadFloat (&index);
3155 hullinfo.hullsizes[i][1][0] = SB_ReadFloat (&index);
3156 hullinfo.hullsizes[i][1][1] = SB_ReadFloat (&index);
3157 hullinfo.hullsizes[i][1][2] = SB_ReadFloat (&index);
3161 _header.version = 0;
3162 for (i = 0; i < HEADER_LUMPS; i++)
3164 _header.lumps[i].fileofs = SB_ReadInt (&index);
3165 _header.lumps[i].filelen = SB_ReadInt (&index);
3172 header = (dheader_t *)buffer;
3174 i = LittleLong(header->version);
3175 if (i != BSPVERSION && i != 30)
3176 Host_Error("Mod_Q1BSP_Load: %s has wrong version number(%i should be %i(Quake) or 30(HalfLife)", mod->name, i, BSPVERSION);
3177 mod->brush.ishlbsp = i == 30;
3178 mod->brush.ismcbsp = false;
3180 // fill in hull info
3181 VectorClear (hullinfo.hullsizes[0][0]);
3182 VectorClear (hullinfo.hullsizes[0][1]);
3183 if (mod->brush.ishlbsp)
3185 hullinfo.numhulls = 4;
3186 hullinfo.filehulls = 4;
3187 VectorSet (hullinfo.hullsizes[1][0], -16, -16, -36);
3188 VectorSet (hullinfo.hullsizes[1][1], 16, 16, 36);
3189 VectorSet (hullinfo.hullsizes[2][0], -32, -32, -32);
3190 VectorSet (hullinfo.hullsizes[2][1], 32, 32, 32);
3191 VectorSet (hullinfo.hullsizes[3][0], -16, -16, -18);
3192 VectorSet (hullinfo.hullsizes[3][1], 16, 16, 18);
3196 hullinfo.numhulls = 3;
3197 hullinfo.filehulls = 4;
3198 VectorSet (hullinfo.hullsizes[1][0], -16, -16, -24);
3199 VectorSet (hullinfo.hullsizes[1][1], 16, 16, 32);
3200 VectorSet (hullinfo.hullsizes[2][0], -32, -32, -24);
3201 VectorSet (hullinfo.hullsizes[2][1], 32, 32, 64);
3205 mod_base = (unsigned char*)buffer;
3206 for (i = 0; i < HEADER_LUMPS; i++)
3208 header->lumps[i].fileofs = LittleLong(header->lumps[i].fileofs);
3209 header->lumps[i].filelen = LittleLong(header->lumps[i].filelen);
3213 mod->soundfromcenter = true;
3214 mod->TraceBox = Mod_Q1BSP_TraceBox;
3215 mod->brush.SuperContentsFromNativeContents = Mod_Q1BSP_SuperContentsFromNativeContents;
3216 mod->brush.NativeContentsFromSuperContents = Mod_Q1BSP_NativeContentsFromSuperContents;
3217 mod->brush.GetPVS = Mod_Q1BSP_GetPVS;
3218 mod->brush.FatPVS = Mod_Q1BSP_FatPVS;
3219 mod->brush.BoxTouchingPVS = Mod_Q1BSP_BoxTouchingPVS;
3220 mod->brush.BoxTouchingLeafPVS = Mod_Q1BSP_BoxTouchingLeafPVS;
3221 mod->brush.BoxTouchingVisibleLeafs = Mod_Q1BSP_BoxTouchingVisibleLeafs;
3222 mod->brush.FindBoxClusters = Mod_Q1BSP_FindBoxClusters;
3223 mod->brush.LightPoint = Mod_Q1BSP_LightPoint;
3224 mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
3225 mod->brush.AmbientSoundLevelsForPoint = Mod_Q1BSP_AmbientSoundLevelsForPoint;
3226 mod->brush.RoundUpToHullSize = Mod_Q1BSP_RoundUpToHullSize;
3227 mod->brush.PointInLeaf = Mod_Q1BSP_PointInLeaf;
3229 if (loadmodel->isworldmodel)
3231 Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
3232 Cvar_SetValue("mcbsp", mod->brush.ismcbsp);
3237 // store which lightmap format to use
3238 mod->brushq1.lightmaprgba = r_lightmaprgba.integer;
3240 mod->brush.qw_md4sum = 0;
3241 mod->brush.qw_md4sum2 = 0;
3242 for (i = 0;i < HEADER_LUMPS;i++)
3244 if (i == LUMP_ENTITIES)
3246 mod->brush.qw_md4sum ^= LittleLong(Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen));
3247 if (i == LUMP_VISIBILITY || i == LUMP_LEAFS || i == LUMP_NODES)
3249 mod->brush.qw_md4sum2 ^= LittleLong(Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen));
3252 Mod_Q1BSP_LoadEntities(&header->lumps[LUMP_ENTITIES]);
3253 Mod_Q1BSP_LoadVertexes(&header->lumps[LUMP_VERTEXES]);
3254 Mod_Q1BSP_LoadEdges(&header->lumps[LUMP_EDGES]);
3255 Mod_Q1BSP_LoadSurfedges(&header->lumps[LUMP_SURFEDGES]);
3256 Mod_Q1BSP_LoadTextures(&header->lumps[LUMP_TEXTURES]);
3257 Mod_Q1BSP_LoadLighting(&header->lumps[LUMP_LIGHTING]);
3258 Mod_Q1BSP_LoadPlanes(&header->lumps[LUMP_PLANES]);
3259 Mod_Q1BSP_LoadTexinfo(&header->lumps[LUMP_TEXINFO]);
3260 Mod_Q1BSP_LoadFaces(&header->lumps[LUMP_FACES]);
3261 Mod_Q1BSP_LoadLeaffaces(&header->lumps[LUMP_MARKSURFACES]);
3262 Mod_Q1BSP_LoadVisibility(&header->lumps[LUMP_VISIBILITY]);
3263 // load submodels before leafs because they contain the number of vis leafs
3264 Mod_Q1BSP_LoadSubmodels(&header->lumps[LUMP_MODELS], &hullinfo);
3265 Mod_Q1BSP_LoadLeafs(&header->lumps[LUMP_LEAFS]);
3266 Mod_Q1BSP_LoadNodes(&header->lumps[LUMP_NODES]);
3267 Mod_Q1BSP_LoadClipnodes(&header->lumps[LUMP_CLIPNODES], &hullinfo);
3269 if (!mod->brushq1.lightdata)
3270 mod->brush.LightPoint = NULL;
3272 if (mod->brushq1.data_compressedpvs)
3273 Mem_Free(mod->brushq1.data_compressedpvs);
3274 mod->brushq1.data_compressedpvs = NULL;
3275 mod->brushq1.num_compressedpvs = 0;
3277 Mod_Q1BSP_MakeHull0();
3278 Mod_Q1BSP_MakePortals();
3280 mod->numframes = 2; // regular and alternate animation
3283 mainmempool = mod->mempool;
3285 // make a single combined shadow mesh to allow optimized shadow volume creation
3286 numshadowmeshtriangles = 0;
3287 for (j = 0, surface = loadmodel->data_surfaces;j < loadmodel->num_surfaces;j++, surface++)
3289 surface->num_firstshadowmeshtriangle = numshadowmeshtriangles;
3290 numshadowmeshtriangles += surface->num_triangles;
3292 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Begin(loadmodel->mempool, numshadowmeshtriangles * 3, numshadowmeshtriangles, NULL, NULL, NULL, false, false, true);
3293 for (j = 0, surface = loadmodel->data_surfaces;j < loadmodel->num_surfaces;j++, surface++)
3294 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));
3295 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Finish(loadmodel->mempool, loadmodel->brush.shadowmesh, false, true);
3296 Mod_BuildTriangleNeighbors(loadmodel->brush.shadowmesh->neighbor3i, loadmodel->brush.shadowmesh->element3i, loadmodel->brush.shadowmesh->numtriangles);
3298 if (loadmodel->brush.numsubmodels)
3299 loadmodel->brush.submodels = (model_t **)Mem_Alloc(loadmodel->mempool, loadmodel->brush.numsubmodels * sizeof(model_t *));
3301 if (loadmodel->isworldmodel)
3303 // clear out any stale submodels or worldmodels lying around
3304 // if we did this clear before now, an error might abort loading and
3305 // leave things in a bad state
3306 Mod_RemoveStaleWorldModels(loadmodel);
3309 // LordHavoc: to clear the fog around the original quake submodel code, I
3311 // first of all, some background info on the submodels:
3312 // model 0 is the map model (the world, named maps/e1m1.bsp for example)
3313 // model 1 and higher are submodels (doors and the like, named *1, *2, etc)
3314 // now the weird for loop itself:
3315 // the loop functions in an odd way, on each iteration it sets up the
3316 // current 'mod' model (which despite the confusing code IS the model of
3317 // the number i), at the end of the loop it duplicates the model to become
3318 // the next submodel, and loops back to set up the new submodel.
3320 // LordHavoc: now the explanation of my sane way (which works identically):
3321 // set up the world model, then on each submodel copy from the world model
3322 // and set up the submodel with the respective model info.
3323 for (i = 0;i < mod->brush.numsubmodels;i++)
3325 // LordHavoc: this code was originally at the end of this loop, but
3326 // has been transformed to something more readable at the start here.
3331 // LordHavoc: only register submodels if it is the world
3332 // (prevents external bsp models from replacing world submodels with
3334 if (!loadmodel->isworldmodel)
3336 // duplicate the basic information
3337 sprintf(name, "*%i", i);
3338 mod = Mod_FindName(name);
3339 // copy the base model to this one
3341 // rename the clone back to its proper name
3342 strcpy(mod->name, name);
3343 // textures and memory belong to the main model
3344 mod->texturepool = NULL;
3345 mod->mempool = NULL;
3348 mod->brush.submodel = i;
3350 if (loadmodel->brush.submodels)
3351 loadmodel->brush.submodels[i] = mod;
3353 bm = &mod->brushq1.submodels[i];
3355 mod->brushq1.hulls[0].firstclipnode = bm->headnode[0];
3356 for (j=1 ; j<MAX_MAP_HULLS ; j++)
3358 mod->brushq1.hulls[j].firstclipnode = bm->headnode[j];
3359 mod->brushq1.hulls[j].lastclipnode = mod->brushq1.numclipnodes - 1;
3362 mod->firstmodelsurface = bm->firstface;
3363 mod->nummodelsurfaces = bm->numfaces;
3365 // make the model surface list (used by shadowing/lighting)
3366 mod->surfacelist = (int *)Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->surfacelist));
3367 for (j = 0;j < mod->nummodelsurfaces;j++)
3368 mod->surfacelist[j] = mod->firstmodelsurface + j;
3370 // this gets altered below if sky is used
3371 mod->DrawSky = NULL;
3372 mod->Draw = R_Q1BSP_Draw;
3373 mod->GetLightInfo = R_Q1BSP_GetLightInfo;
3374 mod->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
3375 mod->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
3376 mod->DrawLight = R_Q1BSP_DrawLight;
3379 mod->brush.GetPVS = NULL;
3380 mod->brush.FatPVS = NULL;
3381 mod->brush.BoxTouchingPVS = NULL;
3382 mod->brush.BoxTouchingLeafPVS = NULL;
3383 mod->brush.BoxTouchingVisibleLeafs = NULL;
3384 mod->brush.FindBoxClusters = NULL;
3385 mod->brush.LightPoint = NULL;
3386 mod->brush.AmbientSoundLevelsForPoint = NULL;
3388 Mod_Q1BSP_BuildLightmapUpdateChains(loadmodel->mempool, mod);
3389 if (mod->nummodelsurfaces)
3391 // LordHavoc: calculate bmodel bounding box rather than trusting what it says
3392 mod->normalmins[0] = mod->normalmins[1] = mod->normalmins[2] = 1000000000.0f;
3393 mod->normalmaxs[0] = mod->normalmaxs[1] = mod->normalmaxs[2] = -1000000000.0f;
3396 for (j = 0, surface = &mod->data_surfaces[mod->firstmodelsurface];j < mod->nummodelsurfaces;j++, surface++)
3398 // we only need to have a drawsky function if it is used(usually only on world model)
3399 if (surface->texture->basematerialflags & MATERIALFLAG_SKY)
3400 mod->DrawSky = R_Q1BSP_DrawSky;
3401 // calculate bounding shapes
3402 for (k = 0, vec = (loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex);k < surface->num_vertices;k++, vec += 3)
3404 if (mod->normalmins[0] > vec[0]) mod->normalmins[0] = vec[0];
3405 if (mod->normalmins[1] > vec[1]) mod->normalmins[1] = vec[1];
3406 if (mod->normalmins[2] > vec[2]) mod->normalmins[2] = vec[2];
3407 if (mod->normalmaxs[0] < vec[0]) mod->normalmaxs[0] = vec[0];
3408 if (mod->normalmaxs[1] < vec[1]) mod->normalmaxs[1] = vec[1];
3409 if (mod->normalmaxs[2] < vec[2]) mod->normalmaxs[2] = vec[2];
3410 dist = vec[0]*vec[0]+vec[1]*vec[1];
3411 if (modelyawradius < dist)
3412 modelyawradius = dist;
3413 dist += vec[2]*vec[2];
3414 if (modelradius < dist)
3418 modelyawradius = sqrt(modelyawradius);
3419 modelradius = sqrt(modelradius);
3420 mod->yawmins[0] = mod->yawmins[1] = - (mod->yawmaxs[0] = mod->yawmaxs[1] = modelyawradius);
3421 mod->yawmins[2] = mod->normalmins[2];
3422 mod->yawmaxs[2] = mod->normalmaxs[2];
3423 mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius;
3424 mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
3425 mod->radius = modelradius;
3426 mod->radius2 = modelradius * modelradius;
3430 // LordHavoc: empty submodel(lacrima.bsp has such a glitch)
3431 Con_Printf("warning: empty submodel *%i in %s\n", i+1, loadmodel->name);
3433 //mod->brushq1.num_visleafs = bm->visleafs;
3436 Mod_Q1BSP_LoadMapBrushes();
3438 //Mod_Q1BSP_ProcessLightList();
3440 if (developer.integer >= 10)
3441 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);
3444 static void Mod_Q2BSP_LoadEntities(lump_t *l)
3448 static void Mod_Q2BSP_LoadPlanes(lump_t *l)
3455 in = (void *)(mod_base + l->fileofs);
3456 if (l->filelen % sizeof(*in))
3457 Host_Error("Mod_Q2BSP_LoadPlanes: funny lump size in %s",loadmodel->name);
3458 count = l->filelen / sizeof(*in);
3459 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3462 loadmodel->num = count;
3464 for (i = 0;i < count;i++, in++, out++)
3470 static void Mod_Q2BSP_LoadVertices(lump_t *l)
3477 in = (void *)(mod_base + l->fileofs);
3478 if (l->filelen % sizeof(*in))
3479 Host_Error("Mod_Q2BSP_LoadVertices: funny lump size in %s",loadmodel->name);
3480 count = l->filelen / sizeof(*in);
3481 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3484 loadmodel->num = count;
3486 for (i = 0;i < count;i++, in++, out++)
3492 static void Mod_Q2BSP_LoadVisibility(lump_t *l)
3499 in = (void *)(mod_base + l->fileofs);
3500 if (l->filelen % sizeof(*in))
3501 Host_Error("Mod_Q2BSP_LoadVisibility: funny lump size in %s",loadmodel->name);
3502 count = l->filelen / sizeof(*in);
3503 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3506 loadmodel->num = count;
3508 for (i = 0;i < count;i++, in++, out++)
3514 static void Mod_Q2BSP_LoadNodes(lump_t *l)
3521 in = (void *)(mod_base + l->fileofs);
3522 if (l->filelen % sizeof(*in))
3523 Host_Error("Mod_Q2BSP_LoadNodes: funny lump size in %s",loadmodel->name);
3524 count = l->filelen / sizeof(*in);
3525 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3528 loadmodel->num = count;
3530 for (i = 0;i < count;i++, in++, out++)
3536 static void Mod_Q2BSP_LoadTexInfo(lump_t *l)
3543 in = (void *)(mod_base + l->fileofs);
3544 if (l->filelen % sizeof(*in))
3545 Host_Error("Mod_Q2BSP_LoadTexInfo: funny lump size in %s",loadmodel->name);
3546 count = l->filelen / sizeof(*in);
3547 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3550 loadmodel->num = count;
3552 for (i = 0;i < count;i++, in++, out++)
3558 static void Mod_Q2BSP_LoadFaces(lump_t *l)
3565 in = (void *)(mod_base + l->fileofs);
3566 if (l->filelen % sizeof(*in))
3567 Host_Error("Mod_Q2BSP_LoadFaces: funny lump size in %s",loadmodel->name);
3568 count = l->filelen / sizeof(*in);
3569 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3572 loadmodel->num = count;
3574 for (i = 0;i < count;i++, in++, out++)
3580 static void Mod_Q2BSP_LoadLighting(lump_t *l)
3587 in = (void *)(mod_base + l->fileofs);
3588 if (l->filelen % sizeof(*in))
3589 Host_Error("Mod_Q2BSP_LoadLighting: funny lump size in %s",loadmodel->name);
3590 count = l->filelen / sizeof(*in);
3591 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3594 loadmodel->num = count;
3596 for (i = 0;i < count;i++, in++, out++)
3602 static void Mod_Q2BSP_LoadLeafs(lump_t *l)
3609 in = (void *)(mod_base + l->fileofs);
3610 if (l->filelen % sizeof(*in))
3611 Host_Error("Mod_Q2BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
3612 count = l->filelen / sizeof(*in);
3613 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3616 loadmodel->num = count;
3618 for (i = 0;i < count;i++, in++, out++)
3624 static void Mod_Q2BSP_LoadLeafFaces(lump_t *l)
3631 in = (void *)(mod_base + l->fileofs);
3632 if (l->filelen % sizeof(*in))
3633 Host_Error("Mod_Q2BSP_LoadLeafFaces: funny lump size in %s",loadmodel->name);
3634 count = l->filelen / sizeof(*in);
3635 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3638 loadmodel->num = count;
3640 for (i = 0;i < count;i++, in++, out++)
3646 static void Mod_Q2BSP_LoadLeafBrushes(lump_t *l)
3653 in = (void *)(mod_base + l->fileofs);
3654 if (l->filelen % sizeof(*in))
3655 Host_Error("Mod_Q2BSP_LoadLeafBrushes: funny lump size in %s",loadmodel->name);
3656 count = l->filelen / sizeof(*in);
3657 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3660 loadmodel->num = count;
3662 for (i = 0;i < count;i++, in++, out++)
3668 static void Mod_Q2BSP_LoadEdges(lump_t *l)
3675 in = (void *)(mod_base + l->fileofs);
3676 if (l->filelen % sizeof(*in))
3677 Host_Error("Mod_Q2BSP_LoadEdges: funny lump size in %s",loadmodel->name);
3678 count = l->filelen / sizeof(*in);
3679 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3682 loadmodel->num = count;
3684 for (i = 0;i < count;i++, in++, out++)
3690 static void Mod_Q2BSP_LoadSurfEdges(lump_t *l)
3697 in = (void *)(mod_base + l->fileofs);
3698 if (l->filelen % sizeof(*in))
3699 Host_Error("Mod_Q2BSP_LoadSurfEdges: funny lump size in %s",loadmodel->name);
3700 count = l->filelen / sizeof(*in);
3701 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3704 loadmodel->num = count;
3706 for (i = 0;i < count;i++, in++, out++)
3712 static void Mod_Q2BSP_LoadBrushes(lump_t *l)
3719 in = (void *)(mod_base + l->fileofs);
3720 if (l->filelen % sizeof(*in))
3721 Host_Error("Mod_Q2BSP_LoadBrushes: funny lump size in %s",loadmodel->name);
3722 count = l->filelen / sizeof(*in);
3723 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3726 loadmodel->num = count;
3728 for (i = 0;i < count;i++, in++, out++)
3734 static void Mod_Q2BSP_LoadBrushSides(lump_t *l)
3741 in = (void *)(mod_base + l->fileofs);
3742 if (l->filelen % sizeof(*in))
3743 Host_Error("Mod_Q2BSP_LoadBrushSides: funny lump size in %s",loadmodel->name);
3744 count = l->filelen / sizeof(*in);
3745 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3748 loadmodel->num = count;
3750 for (i = 0;i < count;i++, in++, out++)
3756 static void Mod_Q2BSP_LoadAreas(lump_t *l)
3763 in = (void *)(mod_base + l->fileofs);
3764 if (l->filelen % sizeof(*in))
3765 Host_Error("Mod_Q2BSP_LoadAreas: funny lump size in %s",loadmodel->name);
3766 count = l->filelen / sizeof(*in);
3767 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3770 loadmodel->num = count;
3772 for (i = 0;i < count;i++, in++, out++)
3778 static void Mod_Q2BSP_LoadAreaPortals(lump_t *l)
3785 in = (void *)(mod_base + l->fileofs);
3786 if (l->filelen % sizeof(*in))
3787 Host_Error("Mod_Q2BSP_LoadAreaPortals: funny lump size in %s",loadmodel->name);
3788 count = l->filelen / sizeof(*in);
3789 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3792 loadmodel->num = count;
3794 for (i = 0;i < count;i++, in++, out++)
3800 static void Mod_Q2BSP_LoadModels(lump_t *l)
3807 in = (void *)(mod_base + l->fileofs);
3808 if (l->filelen % sizeof(*in))
3809 Host_Error("Mod_Q2BSP_LoadModels: funny lump size in %s",loadmodel->name);
3810 count = l->filelen / sizeof(*in);
3811 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3814 loadmodel->num = count;
3816 for (i = 0;i < count;i++, in++, out++)
3822 void static Mod_Q2BSP_Load(model_t *mod, void *buffer, void *bufferend)
3825 q2dheader_t *header;
3827 Host_Error("Mod_Q2BSP_Load: not yet implemented");
3829 mod->type = mod_brushq2;
3831 header = (q2dheader_t *)buffer;
3833 i = LittleLong(header->version);
3834 if (i != Q2BSPVERSION)
3835 Host_Error("Mod_Q2BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q2BSPVERSION);
3836 mod->brush.ishlbsp = false;
3837 mod->brush.ismcbsp = false;
3838 if (loadmodel->isworldmodel)
3840 Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
3841 Cvar_SetValue("mcbsp", mod->brush.ismcbsp);
3844 mod_base = (unsigned char *)header;
3846 // swap all the lumps
3847 for (i = 0;i < (int) sizeof(*header) / 4;i++)
3848 ((int *)header)[i] = LittleLong(((int *)header)[i]);
3850 // store which lightmap format to use
3851 mod->brushq1.lightmaprgba = r_lightmaprgba.integer;
3853 mod->brush.qw_md4sum = 0;
3854 mod->brush.qw_md4sum2 = 0;
3855 for (i = 0;i < Q2HEADER_LUMPS;i++)
3857 if (i == Q2LUMP_ENTITIES)
3859 mod->brush.qw_md4sum ^= Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen);
3860 if (i == Q2LUMP_VISIBILITY || i == Q2LUMP_LEAFS || i == Q2LUMP_NODES)
3862 mod->brush.qw_md4sum2 ^= Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen);
3865 Mod_Q2BSP_LoadEntities(&header->lumps[Q2LUMP_ENTITIES]);
3866 Mod_Q2BSP_LoadPlanes(&header->lumps[Q2LUMP_PLANES]);
3867 Mod_Q2BSP_LoadVertices(&header->lumps[Q2LUMP_VERTEXES]);
3868 Mod_Q2BSP_LoadVisibility(&header->lumps[Q2LUMP_VISIBILITY]);
3869 Mod_Q2BSP_LoadNodes(&header->lumps[Q2LUMP_NODES]);
3870 Mod_Q2BSP_LoadTexInfo(&header->lumps[Q2LUMP_TEXINFO]);
3871 Mod_Q2BSP_LoadFaces(&header->lumps[Q2LUMP_FACES]);
3872 Mod_Q2BSP_LoadLighting(&header->lumps[Q2LUMP_LIGHTING]);
3873 Mod_Q2BSP_LoadLeafs(&header->lumps[Q2LUMP_LEAFS]);
3874 Mod_Q2BSP_LoadLeafFaces(&header->lumps[Q2LUMP_LEAFFACES]);
3875 Mod_Q2BSP_LoadLeafBrushes(&header->lumps[Q2LUMP_LEAFBRUSHES]);
3876 Mod_Q2BSP_LoadEdges(&header->lumps[Q2LUMP_EDGES]);
3877 Mod_Q2BSP_LoadSurfEdges(&header->lumps[Q2LUMP_SURFEDGES]);
3878 Mod_Q2BSP_LoadBrushes(&header->lumps[Q2LUMP_BRUSHES]);
3879 Mod_Q2BSP_LoadBrushSides(&header->lumps[Q2LUMP_BRUSHSIDES]);
3880 Mod_Q2BSP_LoadAreas(&header->lumps[Q2LUMP_AREAS]);
3881 Mod_Q2BSP_LoadAreaPortals(&header->lumps[Q2LUMP_AREAPORTALS]);
3882 // LordHavoc: must go last because this makes the submodels
3883 Mod_Q2BSP_LoadModels(&header->lumps[Q2LUMP_MODELS]);
3886 static int Mod_Q3BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents);
3887 static int Mod_Q3BSP_NativeContentsFromSuperContents(model_t *model, int supercontents);
3889 static void Mod_Q3BSP_LoadEntities(lump_t *l)
3892 char key[128], value[MAX_INPUTLINE];
3894 loadmodel->brushq3.num_lightgrid_cellsize[0] = 64;
3895 loadmodel->brushq3.num_lightgrid_cellsize[1] = 64;
3896 loadmodel->brushq3.num_lightgrid_cellsize[2] = 128;
3899 loadmodel->brush.entities = (char *)Mem_Alloc(loadmodel->mempool, l->filelen);
3900 memcpy(loadmodel->brush.entities, mod_base + l->fileofs, l->filelen);
3901 data = loadmodel->brush.entities;
3902 // some Q3 maps override the lightgrid_cellsize with a worldspawn key
3903 if (data && COM_ParseToken(&data, false) && com_token[0] == '{')
3907 if (!COM_ParseToken(&data, false))
3909 if (com_token[0] == '}')
3910 break; // end of worldspawn
3911 if (com_token[0] == '_')
3912 strcpy(key, com_token + 1);
3914 strcpy(key, com_token);
3915 while (key[strlen(key)-1] == ' ') // remove trailing spaces
3916 key[strlen(key)-1] = 0;
3917 if (!COM_ParseToken(&data, false))
3919 strcpy(value, com_token);
3920 if (!strcmp("gridsize", key))
3922 if (sscanf(value, "%f %f %f", &v[0], &v[1], &v[2]) == 3 && v[0] != 0 && v[1] != 0 && v[2] != 0)
3923 VectorCopy(v, loadmodel->brushq3.num_lightgrid_cellsize);
3929 static void Mod_Q3BSP_LoadTextures(lump_t *l)
3938 int flags, flags2, numparameters, passnumber;
3939 char shadername[Q3PATHLENGTH];
3940 char sky[Q3PATHLENGTH];
3941 char firstpasstexturename[Q3PATHLENGTH];
3942 char parameter[4][Q3PATHLENGTH];
3944 in = (q3dtexture_t *)(mod_base + l->fileofs);
3945 if (l->filelen % sizeof(*in))
3946 Host_Error("Mod_Q3BSP_LoadTextures: funny lump size in %s",loadmodel->name);
3947 count = l->filelen / sizeof(*in);
3948 out = (texture_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3950 loadmodel->data_textures = out;
3951 loadmodel->num_textures = count;
3953 for (i = 0;i < count;i++, in++, out++)
3955 strlcpy (out->name, in->name, sizeof (out->name));
3956 out->surfaceflags = LittleLong(in->surfaceflags);
3957 out->supercontents = Mod_Q3BSP_SuperContentsFromNativeContents(loadmodel, LittleLong(in->contents));
3958 out->surfaceparms = -1;
3961 // do a quick parse of shader files to get surfaceparms
3962 if ((search = FS_Search("scripts/*.shader", true, false)))
3964 for (i = 0;i < search->numfilenames;i++)
3966 if ((f = (char *)FS_LoadFile(search->filenames[i], tempmempool, false, NULL)))
3969 while (COM_ParseToken(&text, false))
3971 strlcpy (shadername, com_token, sizeof (shadername));
3976 firstpasstexturename[0] = 0;
3977 if (COM_ParseToken(&text, false) && !strcasecmp(com_token, "{"))
3979 while (COM_ParseToken(&text, false))
3981 if (!strcasecmp(com_token, "}"))
3983 else if (!strcasecmp(com_token, "{"))
3985 while (COM_ParseToken(&text, false))
3987 if (!strcasecmp(com_token, "}"))
3989 if (!strcasecmp(com_token, "\n"))
3992 for (j = 0;strcasecmp(com_token, "\n") && strcasecmp(com_token, "}");j++)
3996 strlcpy(parameter[j], com_token, sizeof(parameter[j]));
3997 numparameters = j + 1;
3999 if (!COM_ParseToken(&text, true))
4002 if (developer.integer >= 100)
4004 Con_Printf("%s %i: ", shadername, passnumber);
4005 for (j = 0;j < numparameters;j++)
4006 Con_Printf(" %s", parameter[j]);
4009 if (passnumber == 0 && numparameters >= 1)
4011 if (!strcasecmp(parameter[0], "blendfunc") && (flags & Q3SURFACEPARM_TRANS))
4013 if (numparameters == 2 && !strcasecmp(parameter[1], "add"))
4014 flags2 |= Q3TEXTUREFLAG_ADDITIVE;
4015 else if (numparameters == 3 && !strcasecmp(parameter[1], "gl_one") && !strcasecmp(parameter[2], "gl_one"))
4016 flags2 |= Q3TEXTUREFLAG_ADDITIVE;
4017 else if (numparameters == 3 && !strcasecmp(parameter[1], "gl_src_alpha") && !strcasecmp(parameter[2], "gl_one"))
4018 flags2 |= Q3TEXTUREFLAG_ADDITIVE;
4020 else if (numparameters >= 2 && (!strcasecmp(parameter[0], "map") || !strcasecmp(parameter[0], "clampmap")))
4021 strlcpy(firstpasstexturename, parameter[1], sizeof(firstpasstexturename));
4022 else if (numparameters >= 3 && !strcasecmp(parameter[0], "animmap"))
4023 strlcpy(firstpasstexturename, parameter[2], sizeof(firstpasstexturename));
4024 else if (numparameters >= 2 && !strcasecmp(parameter[0], "alphafunc"))
4025 flags2 |= Q3TEXTUREFLAG_ALPHATEST;
4027 // break out a level if it was }
4028 if (!strcasecmp(com_token, "}"))
4035 for (j = 0;strcasecmp(com_token, "\n") && strcasecmp(com_token, "}");j++)
4039 strlcpy(parameter[j], com_token, sizeof(parameter[j]));
4040 numparameters = j + 1;
4042 if (!COM_ParseToken(&text, true))
4045 if (i == 0 && !strcasecmp(com_token, "}"))
4047 if (developer.integer >= 100)
4049 Con_Printf("%s: ", shadername);
4050 for (j = 0;j < numparameters;j++)
4051 Con_Printf(" %s", parameter[j]);
4054 if (numparameters < 1)
4056 if (!strcasecmp(parameter[0], "surfaceparm") && numparameters >= 2)
4058 if (!strcasecmp(parameter[1], "alphashadow"))
4059 flags |= Q3SURFACEPARM_ALPHASHADOW;
4060 else if (!strcasecmp(parameter[1], "areaportal"))
4061 flags |= Q3SURFACEPARM_AREAPORTAL;
4062 else if (!strcasecmp(parameter[1], "clusterportal"))
4063 flags |= Q3SURFACEPARM_CLUSTERPORTAL;
4064 else if (!strcasecmp(parameter[1], "detail"))
4065 flags |= Q3SURFACEPARM_DETAIL;
4066 else if (!strcasecmp(parameter[1], "donotenter"))
4067 flags |= Q3SURFACEPARM_DONOTENTER;
4068 else if (!strcasecmp(parameter[1], "fog"))
4069 flags |= Q3SURFACEPARM_FOG;
4070 else if (!strcasecmp(parameter[1], "lava"))
4071 flags |= Q3SURFACEPARM_LAVA;
4072 else if (!strcasecmp(parameter[1], "lightfilter"))
4073 flags |= Q3SURFACEPARM_LIGHTFILTER;
4074 else if (!strcasecmp(parameter[1], "metalsteps"))
4075 flags |= Q3SURFACEPARM_METALSTEPS;
4076 else if (!strcasecmp(parameter[1], "nodamage"))
4077 flags |= Q3SURFACEPARM_NODAMAGE;
4078 else if (!strcasecmp(parameter[1], "nodlight"))
4079 flags |= Q3SURFACEPARM_NODLIGHT;
4080 else if (!strcasecmp(parameter[1], "nodraw"))
4081 flags |= Q3SURFACEPARM_NODRAW;
4082 else if (!strcasecmp(parameter[1], "nodrop"))
4083 flags |= Q3SURFACEPARM_NODROP;
4084 else if (!strcasecmp(parameter[1], "noimpact"))
4085 flags |= Q3SURFACEPARM_NOIMPACT;
4086 else if (!strcasecmp(parameter[1], "nolightmap"))
4087 flags |= Q3SURFACEPARM_NOLIGHTMAP;
4088 else if (!strcasecmp(parameter[1], "nomarks"))
4089 flags |= Q3SURFACEPARM_NOMARKS;
4090 else if (!strcasecmp(parameter[1], "nomipmaps"))
4091 flags |= Q3SURFACEPARM_NOMIPMAPS;
4092 else if (!strcasecmp(parameter[1], "nonsolid"))
4093 flags |= Q3SURFACEPARM_NONSOLID;
4094 else if (!strcasecmp(parameter[1], "origin"))
4095 flags |= Q3SURFACEPARM_ORIGIN;
4096 else if (!strcasecmp(parameter[1], "playerclip"))
4097 flags |= Q3SURFACEPARM_PLAYERCLIP;
4098 else if (!strcasecmp(parameter[1], "sky"))
4099 flags |= Q3SURFACEPARM_SKY;
4100 else if (!strcasecmp(parameter[1], "slick"))
4101 flags |= Q3SURFACEPARM_SLICK;
4102 else if (!strcasecmp(parameter[1], "slime"))
4103 flags |= Q3SURFACEPARM_SLIME;
4104 else if (!strcasecmp(parameter[1], "structural"))
4105 flags |= Q3SURFACEPARM_STRUCTURAL;
4106 else if (!strcasecmp(parameter[1], "trans"))
4107 flags |= Q3SURFACEPARM_TRANS;
4108 else if (!strcasecmp(parameter[1], "water"))
4109 flags |= Q3SURFACEPARM_WATER;
4110 else if (!strcasecmp(parameter[1], "pointlight"))
4111 flags |= Q3SURFACEPARM_POINTLIGHT;
4113 Con_Printf("%s parsing warning: unknown surfaceparm \"%s\"\n", search->filenames[i], parameter[1]);
4115 else if (!strcasecmp(parameter[0], "sky") && numparameters >= 2)
4116 strlcpy(sky, parameter[1], sizeof(sky));
4117 else if (!strcasecmp(parameter[0], "skyparms") && numparameters >= 2)
4119 if (!atoi(parameter[1]) && strcasecmp(parameter[1], "-"))
4120 strlcpy(sky, parameter[1], sizeof(sky));
4122 else if (!strcasecmp(parameter[0], "cull") && numparameters >= 2)
4124 if (!strcasecmp(parameter[1], "disable") || !strcasecmp(parameter[1], "none") || !strcasecmp(parameter[1], "twosided"))
4125 flags2 |= Q3TEXTUREFLAG_TWOSIDED;
4127 else if (!strcasecmp(parameter[0], "nomipmaps"))
4128 flags2 |= Q3TEXTUREFLAG_NOMIPMAPS;
4129 else if (!strcasecmp(parameter[0], "nopicmip"))
4130 flags2 |= Q3TEXTUREFLAG_NOPICMIP;
4131 else if (!strcasecmp(parameter[0], "deformvertexes") && numparameters >= 2)
4133 if (!strcasecmp(parameter[1], "autosprite") && numparameters == 2)
4134 flags2 |= Q3TEXTUREFLAG_AUTOSPRITE;
4135 if (!strcasecmp(parameter[1], "autosprite2") && numparameters == 2)
4136 flags2 |= Q3TEXTUREFLAG_AUTOSPRITE2;
4139 // add shader to list (shadername and flags)
4140 // actually here we just poke into the texture settings
4141 for (j = 0, out = loadmodel->data_textures;j < loadmodel->num_textures;j++, out++)
4143 if (!strcasecmp(out->name, shadername))
4145 out->surfaceparms = flags;
4146 out->textureflags = flags2;
4147 out->basematerialflags = 0;
4148 if (out->surfaceparms & Q3SURFACEPARM_NODRAW)
4149 out->basematerialflags |= MATERIALFLAG_NODRAW;
4150 else if (out->surfaceparms & Q3SURFACEPARM_SKY)
4151 out->basematerialflags |= MATERIALFLAG_SKY;
4152 else if (out->surfaceparms & Q3SURFACEPARM_LAVA)
4153 out->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_FULLBRIGHT;
4154 else if (out->surfaceparms & Q3SURFACEPARM_SLIME)
4155 out->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_WATERALPHA;
4156 else if (out->surfaceparms & Q3SURFACEPARM_WATER)
4157 out->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_WATERALPHA;
4159 out->basematerialflags |= MATERIALFLAG_WALL;
4160 if (out->textureflags & Q3TEXTUREFLAG_ALPHATEST)
4162 // FIXME: support alpha test?
4163 out->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_TRANSPARENT;
4165 else if (out->surfaceparms & Q3SURFACEPARM_TRANS)
4167 if (out->textureflags & Q3TEXTUREFLAG_ADDITIVE)
4168 out->basematerialflags |= MATERIALFLAG_ADD | MATERIALFLAG_TRANSPARENT;
4170 out->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_TRANSPARENT;
4172 strlcpy(out->firstpasstexturename, firstpasstexturename, sizeof(out->firstpasstexturename));
4173 if ((flags & Q3SURFACEPARM_SKY) && sky[0])
4175 // quake3 seems to append a _ to the skybox name, so this must do so as well
4176 dpsnprintf(loadmodel->brush.skybox, sizeof(loadmodel->brush.skybox), "%s_", sky);
4183 Con_Printf("%s parsing error - expected \"{\", found \"%s\"\n", search->filenames[i], com_token);
4194 for (j = 0, out = loadmodel->data_textures;j < loadmodel->num_textures;j++, out++)
4196 if (out->surfaceparms == -1)
4199 Con_DPrintf("%s: No shader found for texture \"%s\"\n", loadmodel->name, out->name);
4200 out->surfaceparms = 0;
4201 if (out->surfaceflags & Q3SURFACEFLAG_NODRAW)
4202 out->basematerialflags |= MATERIALFLAG_NODRAW;
4203 else if (out->surfaceflags & Q3SURFACEFLAG_SKY)
4204 out->basematerialflags |= MATERIALFLAG_SKY;
4206 out->basematerialflags |= MATERIALFLAG_WALL;
4207 // these are defaults
4208 //if (!strncmp(out->name, "textures/skies/", 15))
4209 // out->surfaceparms |= Q3SURFACEPARM_SKY;
4210 //if (!strcmp(out->name, "caulk") || !strcmp(out->name, "common/caulk") || !strcmp(out->name, "textures/common/caulk")
4211 // || !strcmp(out->name, "nodraw") || !strcmp(out->name, "common/nodraw") || !strcmp(out->name, "textures/common/nodraw"))
4212 // out->surfaceparms |= Q3SURFACEPARM_NODRAW;
4213 //if (R_TextureHasAlpha(out->skin.base))
4214 // out->surfaceparms |= Q3SURFACEPARM_TRANS;
4216 if (cls.state != ca_dedicated)
4217 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))
4218 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))
4219 Con_Printf("%s: texture loading for shader \"%s\" failed (first layer \"%s\" not found either)\n", loadmodel->name, out->name, out->firstpasstexturename);
4221 out->currentframe = out;
4224 Con_DPrintf("%s: %i textures missing shaders\n", loadmodel->name, c);
4227 static void Mod_Q3BSP_LoadPlanes(lump_t *l)
4233 in = (q3dplane_t *)(mod_base + l->fileofs);
4234 if (l->filelen % sizeof(*in))
4235 Host_Error("Mod_Q3BSP_LoadPlanes: funny lump size in %s",loadmodel->name);
4236 count = l->filelen / sizeof(*in);
4237 out = (mplane_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4239 loadmodel->brush.data_planes = out;
4240 loadmodel->brush.num_planes = count;
4242 for (i = 0;i < count;i++, in++, out++)
4244 out->normal[0] = LittleFloat(in->normal[0]);
4245 out->normal[1] = LittleFloat(in->normal[1]);
4246 out->normal[2] = LittleFloat(in->normal[2]);
4247 out->dist = LittleFloat(in->dist);
4252 static void Mod_Q3BSP_LoadBrushSides(lump_t *l)
4255 q3mbrushside_t *out;
4258 in = (q3dbrushside_t *)(mod_base + l->fileofs);
4259 if (l->filelen % sizeof(*in))
4260 Host_Error("Mod_Q3BSP_LoadBrushSides: funny lump size in %s",loadmodel->name);
4261 count = l->filelen / sizeof(*in);
4262 out = (q3mbrushside_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4264 loadmodel->brush.data_brushsides = out;
4265 loadmodel->brush.num_brushsides = count;
4267 for (i = 0;i < count;i++, in++, out++)
4269 n = LittleLong(in->planeindex);
4270 if (n < 0 || n >= loadmodel->brush.num_planes)
4271 Host_Error("Mod_Q3BSP_LoadBrushSides: invalid planeindex %i (%i planes)", n, loadmodel->brush.num_planes);
4272 out->plane = loadmodel->brush.data_planes + n;
4273 n = LittleLong(in->textureindex);
4274 if (n < 0 || n >= loadmodel->num_textures)
4275 Host_Error("Mod_Q3BSP_LoadBrushSides: invalid textureindex %i (%i textures)", n, loadmodel->num_textures);
4276 out->texture = loadmodel->data_textures + n;
4280 static void Mod_Q3BSP_LoadBrushes(lump_t *l)
4284 int i, j, n, c, count, maxplanes;
4285 colplanef_t *planes;
4287 in = (q3dbrush_t *)(mod_base + l->fileofs);
4288 if (l->filelen % sizeof(*in))
4289 Host_Error("Mod_Q3BSP_LoadBrushes: funny lump size in %s",loadmodel->name);
4290 count = l->filelen / sizeof(*in);
4291 out = (q3mbrush_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4293 loadmodel->brush.data_brushes = out;
4294 loadmodel->brush.num_brushes = count;
4299 for (i = 0;i < count;i++, in++, out++)
4301 n = LittleLong(in->firstbrushside);
4302 c = LittleLong(in->numbrushsides);
4303 if (n < 0 || n + c > loadmodel->brush.num_brushsides)
4304 Host_Error("Mod_Q3BSP_LoadBrushes: invalid brushside range %i : %i (%i brushsides)", n, n + c, loadmodel->brush.num_brushsides);
4305 out->firstbrushside = loadmodel->brush.data_brushsides + n;
4306 out->numbrushsides = c;
4307 n = LittleLong(in->textureindex);
4308 if (n < 0 || n >= loadmodel->num_textures)
4309 Host_Error("Mod_Q3BSP_LoadBrushes: invalid textureindex %i (%i textures)", n, loadmodel->num_textures);
4310 out->texture = loadmodel->data_textures + n;
4312 // make a list of mplane_t structs to construct a colbrush from
4313 if (maxplanes < out->numbrushsides)
4315 maxplanes = out->numbrushsides;
4318 planes = (colplanef_t *)Mem_Alloc(tempmempool, sizeof(colplanef_t) * maxplanes);
4320 for (j = 0;j < out->numbrushsides;j++)
4322 VectorCopy(out->firstbrushside[j].plane->normal, planes[j].normal);
4323 planes[j].dist = out->firstbrushside[j].plane->dist;
4324 planes[j].supercontents = out->firstbrushside[j].texture->supercontents;
4325 planes[j].q3surfaceflags = out->firstbrushside[j].texture->surfaceflags;
4326 planes[j].texture = out->firstbrushside[j].texture;
4328 // make the colbrush from the planes
4329 out->colbrushf = Collision_NewBrushFromPlanes(loadmodel->mempool, out->numbrushsides, planes);
4335 static void Mod_Q3BSP_LoadEffects(lump_t *l)
4341 in = (q3deffect_t *)(mod_base + l->fileofs);
4342 if (l->filelen % sizeof(*in))
4343 Host_Error("Mod_Q3BSP_LoadEffects: funny lump size in %s",loadmodel->name);
4344 count = l->filelen / sizeof(*in);
4345 out = (q3deffect_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4347 loadmodel->brushq3.data_effects = out;
4348 loadmodel->brushq3.num_effects = count;
4350 for (i = 0;i < count;i++, in++, out++)
4352 strlcpy (out->shadername, in->shadername, sizeof (out->shadername));
4353 n = LittleLong(in->brushindex);
4354 if (n >= loadmodel->brush.num_brushes)
4356 Con_Printf("Mod_Q3BSP_LoadEffects: invalid brushindex %i (%i brushes), setting to -1\n", n, loadmodel->brush.num_brushes);
4359 out->brushindex = n;
4360 out->unknown = LittleLong(in->unknown);
4364 static void Mod_Q3BSP_LoadVertices(lump_t *l)
4369 in = (q3dvertex_t *)(mod_base + l->fileofs);
4370 if (l->filelen % sizeof(*in))
4371 Host_Error("Mod_Q3BSP_LoadVertices: funny lump size in %s",loadmodel->name);
4372 loadmodel->brushq3.num_vertices = count = l->filelen / sizeof(*in);
4373 loadmodel->brushq3.data_vertex3f = (float *)Mem_Alloc(loadmodel->mempool, count * (sizeof(float) * (3 + 2 + 2 + 4)));
4374 loadmodel->brushq3.data_texcoordtexture2f = loadmodel->brushq3.data_vertex3f + count * 3;
4375 loadmodel->brushq3.data_texcoordlightmap2f = loadmodel->brushq3.data_texcoordtexture2f + count * 2;
4376 loadmodel->brushq3.data_color4f = loadmodel->brushq3.data_texcoordlightmap2f + count * 2;
4378 for (i = 0;i < count;i++, in++)
4380 loadmodel->brushq3.data_vertex3f[i * 3 + 0] = LittleFloat(in->origin3f[0]);
4381 loadmodel->brushq3.data_vertex3f[i * 3 + 1] = LittleFloat(in->origin3f[1]);
4382 loadmodel->brushq3.data_vertex3f[i * 3 + 2] = LittleFloat(in->origin3f[2]);
4383 loadmodel->brushq3.data_texcoordtexture2f[i * 2 + 0] = LittleFloat(in->texcoord2f[0]);
4384 loadmodel->brushq3.data_texcoordtexture2f[i * 2 + 1] = LittleFloat(in->texcoord2f[1]);
4385 loadmodel->brushq3.data_texcoordlightmap2f[i * 2 + 0] = LittleFloat(in->lightmap2f[0]);
4386 loadmodel->brushq3.data_texcoordlightmap2f[i * 2 + 1] = LittleFloat(in->lightmap2f[1]);
4387 // svector/tvector are calculated later in face loading
4388 loadmodel->brushq3.data_color4f[i * 4 + 0] = in->color4ub[0] * (1.0f / 255.0f);
4389 loadmodel->brushq3.data_color4f[i * 4 + 1] = in->color4ub[1] * (1.0f / 255.0f);
4390 loadmodel->brushq3.data_color4f[i * 4 + 2] = in->color4ub[2] * (1.0f / 255.0f);
4391 loadmodel->brushq3.data_color4f[i * 4 + 3] = in->color4ub[3] * (1.0f / 255.0f);
4395 static void Mod_Q3BSP_LoadTriangles(lump_t *l)
4401 in = (int *)(mod_base + l->fileofs);
4402 if (l->filelen % sizeof(int[3]))
4403 Host_Error("Mod_Q3BSP_LoadTriangles: funny lump size in %s",loadmodel->name);
4404 count = l->filelen / sizeof(*in);
4405 out = (int *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4407 loadmodel->brushq3.num_triangles = count / 3;
4408 loadmodel->brushq3.data_element3i = out;
4410 for (i = 0;i < count;i++, in++, out++)
4412 *out = LittleLong(*in);
4413 if (*out < 0 || *out >= loadmodel->brushq3.num_vertices)
4415 Con_Printf("Mod_Q3BSP_LoadTriangles: invalid vertexindex %i (%i vertices), setting to 0\n", *out, loadmodel->brushq3.num_vertices);
4421 static void Mod_Q3BSP_LoadLightmaps(lump_t *l)
4429 in = (q3dlightmap_t *)(mod_base + l->fileofs);
4430 if (l->filelen % sizeof(*in))
4431 Host_Error("Mod_Q3BSP_LoadLightmaps: funny lump size in %s",loadmodel->name);
4432 count = l->filelen / sizeof(*in);
4433 out = (rtexture_t **)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4435 loadmodel->brushq3.data_lightmaps = out;
4436 loadmodel->brushq3.num_lightmaps = count;
4438 loadmodel->brushq3.deluxemapping_modelspace = false;
4439 for (i = 0;i < count;i++, in++, out++)
4441 // if this may be a deluxemap, check if it's in modelspace or not
4442 if ((i & 1) && !loadmodel->brushq3.deluxemapping_modelspace)
4445 unsigned char *b = in->rgb;
4446 for (j = 2;j < 128*128*3;j += 3)
4448 // if this is definitely negative Z, it is not facing outward,
4449 // and thus must be in modelspace, as negative Z would never
4450 // occur in tangentspace
4453 loadmodel->brushq3.deluxemapping_modelspace = true;
4458 *out = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%04i", i), 128, 128, in->rgb, TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
4462 static void Mod_Q3BSP_LoadFaces(lump_t *l)
4464 q3dface_t *in, *oldin;
4465 msurface_t *out, *oldout;
4466 int i, oldi, j, n, count, invalidelements, patchsize[2], finalwidth, finalheight, xtess, ytess, finalvertices, finaltriangles, firstvertex, firstelement, type, oldnumtriangles, oldnumtriangles2, meshvertices, meshtriangles, numvertices, numtriangles;
4467 //int *originalelement3i;
4468 //int *originalneighbor3i;
4469 float *originalvertex3f;
4470 //float *originalsvector3f;
4471 //float *originaltvector3f;
4472 //float *originalnormal3f;
4473 float *originalcolor4f;
4474 float *originaltexcoordtexture2f;
4475 float *originaltexcoordlightmap2f;
4478 in = (q3dface_t *)(mod_base + l->fileofs);
4479 if (l->filelen % sizeof(*in))
4480 Host_Error("Mod_Q3BSP_LoadFaces: funny lump size in %s",loadmodel->name);
4481 count = l->filelen / sizeof(*in);
4482 out = (msurface_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4484 loadmodel->data_surfaces = out;
4485 loadmodel->num_surfaces = count;
4487 // deluxemapped q3bsp files have an even number of lightmaps, and surfaces
4488 // always index even numbered ones (0, 2, 4, ...), the odd numbered
4489 // lightmaps are the deluxemaps (light direction textures), so if we
4490 // encounter any odd numbered lightmaps it is not a deluxemapped bsp, it
4491 // is also not a deluxemapped bsp if it has an odd number of lightmaps or
4493 loadmodel->brushq3.deluxemapping = true;
4494 if (loadmodel->brushq3.num_lightmaps >= 2 && !(loadmodel->brushq3.num_lightmaps & 1))
4496 for (i = 0;i < count;i++)
4498 n = LittleLong(in[i].lightmapindex);
4499 if (n >= 0 && ((n & 1) || n + 1 >= loadmodel->brushq3.num_lightmaps))
4501 loadmodel->brushq3.deluxemapping = false;
4507 loadmodel->brushq3.deluxemapping = false;
4508 Con_DPrintf("%s is %sdeluxemapped\n", loadmodel->name, loadmodel->brushq3.deluxemapping ? "" : "not ");
4516 for (;i < count;i++, in++, out++)
4518 // check face type first
4519 type = LittleLong(in->type);
4520 if (type != Q3FACETYPE_POLYGON
4521 && type != Q3FACETYPE_PATCH
4522 && type != Q3FACETYPE_MESH
4523 && type != Q3FACETYPE_FLARE)
4525 Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i: unknown face type %i\n", i, type);
4529 n = LittleLong(in->textureindex);
4530 if (n < 0 || n >= loadmodel->num_textures)
4532 Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i: invalid textureindex %i (%i textures)\n", i, n, loadmodel->num_textures);
4535 out->texture = loadmodel->data_textures + n;
4536 n = LittleLong(in->effectindex);
4537 if (n < -1 || n >= loadmodel->brushq3.num_effects)
4539 if (developer.integer >= 100)
4540 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid effectindex %i (%i effects)\n", i, out->texture->name, n, loadmodel->brushq3.num_effects);
4546 out->effect = loadmodel->brushq3.data_effects + n;
4547 n = LittleLong(in->lightmapindex);
4548 if (n >= loadmodel->brushq3.num_lightmaps)
4550 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid lightmapindex %i (%i lightmaps)\n", i, out->texture->name, n, loadmodel->brushq3.num_lightmaps);
4557 out->lightmaptexture = NULL;
4558 out->deluxemaptexture = r_texture_blanknormalmap;
4562 out->lightmaptexture = loadmodel->brushq3.data_lightmaps[n];
4563 if (loadmodel->brushq3.deluxemapping)
4564 out->deluxemaptexture = loadmodel->brushq3.data_lightmaps[n+1];
4566 out->deluxemaptexture = r_texture_blanknormalmap;
4569 firstvertex = LittleLong(in->firstvertex);
4570 numvertices = LittleLong(in->numvertices);
4571 firstelement = LittleLong(in->firstelement);
4572 numtriangles = LittleLong(in->numelements) / 3;
4573 if (numtriangles * 3 != LittleLong(in->numelements))
4575 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));
4578 if (firstvertex < 0 || firstvertex + numvertices > loadmodel->brushq3.num_vertices)
4580 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);
4583 if (firstelement < 0 || firstelement + numtriangles * 3 > loadmodel->brushq3.num_triangles * 3)
4585 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);
4590 case Q3FACETYPE_POLYGON:
4591 case Q3FACETYPE_MESH:
4592 // no processing necessary
4594 case Q3FACETYPE_PATCH:
4595 patchsize[0] = LittleLong(in->specific.patch.patchsize[0]);
4596 patchsize[1] = LittleLong(in->specific.patch.patchsize[1]);
4597 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))
4599 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid patchsize %ix%i\n", i, out->texture->name, patchsize[0], patchsize[1]);
4602 originalvertex3f = loadmodel->brushq3.data_vertex3f + firstvertex * 3;
4603 // convert patch to Q3FACETYPE_MESH
4604 xtess = Q3PatchTesselationOnX(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4605 ytess = Q3PatchTesselationOnY(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4606 // bound to user settings
4607 xtess = bound(r_subdivisions_mintess.integer, xtess, r_subdivisions_maxtess.integer);
4608 ytess = bound(r_subdivisions_mintess.integer, ytess, r_subdivisions_maxtess.integer);
4609 // bound to sanity settings
4610 xtess = bound(1, xtess, 1024);
4611 ytess = bound(1, ytess, 1024);
4612 // bound to user limit on vertices
4613 while ((xtess > 1 || ytess > 1) && (((patchsize[0] - 1) * xtess) + 1) * (((patchsize[1] - 1) * ytess) + 1) > min(r_subdivisions_maxvertices.integer, 262144))
4620 finalwidth = ((patchsize[0] - 1) * xtess) + 1;
4621 finalheight = ((patchsize[1] - 1) * ytess) + 1;
4622 numvertices = finalwidth * finalheight;
4623 numtriangles = (finalwidth - 1) * (finalheight - 1) * 2;
4625 case Q3FACETYPE_FLARE:
4626 if (developer.integer >= 100)
4627 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): Q3FACETYPE_FLARE not supported (yet)\n", i, out->texture->name);
4631 out->num_vertices = numvertices;
4632 out->num_triangles = numtriangles;
4633 meshvertices += out->num_vertices;
4634 meshtriangles += out->num_triangles;
4640 Mod_AllocSurfMesh(loadmodel->mempool, meshvertices, meshtriangles, false, true, false);
4643 for (;i < count && meshvertices + out->num_vertices <= loadmodel->surfmesh.num_vertices;i++, in++, out++)
4645 if (out->num_vertices < 3 || out->num_triangles < 1)
4648 type = LittleLong(in->type);
4649 firstvertex = LittleLong(in->firstvertex);
4650 firstelement = LittleLong(in->firstelement);
4651 out->num_firstvertex = meshvertices;
4652 out->num_firsttriangle = meshtriangles;
4655 case Q3FACETYPE_POLYGON:
4656 case Q3FACETYPE_MESH:
4657 // no processing necessary
4658 for (j = 0;j < out->num_vertices;j++)
4660 (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex)[j * 3 + 0] = loadmodel->brushq3.data_vertex3f[(firstvertex + j) * 3 + 0];
4661 (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex)[j * 3 + 1] = loadmodel->brushq3.data_vertex3f[(firstvertex + j) * 3 + 1];
4662 (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex)[j * 3 + 2] = loadmodel->brushq3.data_vertex3f[(firstvertex + j) * 3 + 2];
4663 (loadmodel->surfmesh.data_texcoordtexture2f + 2 * out->num_firstvertex)[j * 2 + 0] = loadmodel->brushq3.data_texcoordtexture2f[(firstvertex + j) * 2 + 0];
4664 (loadmodel->surfmesh.data_texcoordtexture2f + 2 * out->num_firstvertex)[j * 2 + 1] = loadmodel->brushq3.data_texcoordtexture2f[(firstvertex + j) * 2 + 1];
4665 (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * out->num_firstvertex)[j * 2 + 0] = loadmodel->brushq3.data_texcoordlightmap2f[(firstvertex + j) * 2 + 0];
4666 (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * out->num_firstvertex)[j * 2 + 1] = loadmodel->brushq3.data_texcoordlightmap2f[(firstvertex + j) * 2 + 1];
4667 (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 0] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 0];
4668 (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 1] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 1];
4669 (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 2] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 2];
4670 (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 3] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 3];
4672 for (j = 0;j < out->num_triangles*3;j++)
4673 (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] = loadmodel->brushq3.data_element3i[firstelement + j] + out->num_firstvertex;
4675 case Q3FACETYPE_PATCH:
4676 patchsize[0] = LittleLong(in->specific.patch.patchsize[0]);
4677 patchsize[1] = LittleLong(in->specific.patch.patchsize[1]);
4678 originalvertex3f = loadmodel->brushq3.data_vertex3f + firstvertex * 3;
4679 originaltexcoordtexture2f = loadmodel->brushq3.data_texcoordtexture2f + firstvertex * 2;
4680 originaltexcoordlightmap2f = loadmodel->brushq3.data_texcoordlightmap2f + firstvertex * 2;
4681 originalcolor4f = loadmodel->brushq3.data_color4f + firstvertex * 4;
4682 // convert patch to Q3FACETYPE_MESH
4683 xtess = Q3PatchTesselationOnX(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4684 ytess = Q3PatchTesselationOnY(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4685 // bound to user settings
4686 xtess = bound(r_subdivisions_mintess.integer, xtess, r_subdivisions_maxtess.integer);
4687 ytess = bound(r_subdivisions_mintess.integer, ytess, r_subdivisions_maxtess.integer);
4688 // bound to sanity settings
4689 xtess = bound(1, xtess, 1024);
4690 ytess = bound(1, ytess, 1024);
4691 // bound to user limit on vertices
4692 while ((xtess > 1 || ytess > 1) && (((patchsize[0] - 1) * xtess) + 1) * (((patchsize[1] - 1) * ytess) + 1) > min(r_subdivisions_maxvertices.integer, 262144))
4699 finalwidth = ((patchsize[0] - 1) * xtess) + 1;
4700 finalheight = ((patchsize[1] - 1) * ytess) + 1;
4701 finalvertices = finalwidth * finalheight;
4702 finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2;
4703 type = Q3FACETYPE_MESH;
4704 // generate geometry
4705 // (note: normals are skipped because they get recalculated)
4706 Q3PatchTesselateFloat(3, sizeof(float[3]), (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[3]), originalvertex3f, xtess, ytess);
4707 Q3PatchTesselateFloat(2, sizeof(float[2]), (loadmodel->surfmesh.data_texcoordtexture2f + 2 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[2]), originaltexcoordtexture2f, xtess, ytess);
4708 Q3PatchTesselateFloat(2, sizeof(float[2]), (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[2]), originaltexcoordlightmap2f, xtess, ytess);
4709 Q3PatchTesselateFloat(4, sizeof(float[4]), (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[4]), originalcolor4f, xtess, ytess);
4710 Q3PatchTriangleElements((loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle), finalwidth, finalheight, out->num_firstvertex);
4711 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);
4712 if (developer.integer >= 100)
4714 if (out->num_triangles < finaltriangles)
4715 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);
4717 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);
4719 // q3map does not put in collision brushes for curves... ugh
4720 // build the lower quality collision geometry
4721 xtess = Q3PatchTesselationOnX(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_collision_tolerance.value);
4722 ytess = Q3PatchTesselationOnY(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_collision_tolerance.value);
4723 // bound to user settings
4724 xtess = bound(r_subdivisions_collision_mintess.integer, xtess, r_subdivisions_collision_maxtess.integer);
4725 ytess = bound(r_subdivisions_collision_mintess.integer, ytess, r_subdivisions_collision_maxtess.integer);
4726 // bound to sanity settings
4727 xtess = bound(1, xtess, 1024);
4728 ytess = bound(1, ytess, 1024);
4729 // bound to user limit on vertices
4730 while ((xtess > 1 || ytess > 1) && (((patchsize[0] - 1) * xtess) + 1) * (((patchsize[1] - 1) * ytess) + 1) > min(r_subdivisions_collision_maxvertices.integer, 262144))
4737 finalwidth = ((patchsize[0] - 1) * xtess) + 1;
4738 finalheight = ((patchsize[1] - 1) * ytess) + 1;
4739 finalvertices = finalwidth * finalheight;
4740 finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2;
4742 out->data_collisionvertex3f = (float *)Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * finalvertices);
4743 out->data_collisionelement3i = (int *)Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * finaltriangles);
4744 out->num_collisionvertices = finalvertices;
4745 out->num_collisiontriangles = finaltriangles;
4746 Q3PatchTesselateFloat(3, sizeof(float[3]), out->data_collisionvertex3f, patchsize[0], patchsize[1], sizeof(float[3]), originalvertex3f, xtess, ytess);
4747 Q3PatchTriangleElements(out->data_collisionelement3i, finalwidth, finalheight, 0);
4749 //Mod_SnapVertices(3, out->num_vertices, (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), 0.25);
4750 Mod_SnapVertices(3, out->num_collisionvertices, out->data_collisionvertex3f, 1);
4752 oldnumtriangles = out->num_triangles;
4753 oldnumtriangles2 = out->num_collisiontriangles;
4754 out->num_collisiontriangles = Mod_RemoveDegenerateTriangles(out->num_collisiontriangles, out->data_collisionelement3i, out->data_collisionelement3i, out->data_collisionvertex3f);
4755 if (developer.integer >= 100)
4756 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);
4761 meshvertices += out->num_vertices;
4762 meshtriangles += out->num_triangles;
4763 for (j = 0, invalidelements = 0;j < out->num_triangles * 3;j++)
4764 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)
4766 if (invalidelements)
4768 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);
4769 for (j = 0;j < out->num_triangles * 3;j++)
4771 Con_Printf(" %i", (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] - out->num_firstvertex);
4772 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)
4773 (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] = out->num_firstvertex;
4777 // for per pixel lighting
4778 Mod_BuildTextureVectorsAndNormals(out->num_firstvertex, out->num_vertices, out->num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle), loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, loadmodel->surfmesh.data_normal3f, true);
4779 // calculate a bounding box
4780 VectorClear(out->mins);
4781 VectorClear(out->maxs);
4782 if (out->num_vertices)
4784 VectorCopy((loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), out->mins);
4785 VectorCopy((loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), out->maxs);
4786 for (j = 1, v = (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex) + 3;j < out->num_vertices;j++, v += 3)
4788 out->mins[0] = min(out->mins[0], v[0]);
4789 out->maxs[0] = max(out->maxs[0], v[0]);
4790 out->mins[1] = min(out->mins[1], v[1]);
4791 out->maxs[1] = max(out->maxs[1], v[1]);
4792 out->mins[2] = min(out->mins[2], v[2]);
4793 out->maxs[2] = max(out->maxs[2], v[2]);
4795 out->mins[0] -= 1.0f;
4796 out->mins[1] -= 1.0f;
4797 out->mins[2] -= 1.0f;
4798 out->maxs[0] += 1.0f;
4799 out->maxs[1] += 1.0f;
4800 out->maxs[2] += 1.0f;
4802 // set lightmap styles for consistency with q1bsp
4803 //out->lightmapinfo->styles[0] = 0;
4804 //out->lightmapinfo->styles[1] = 255;
4805 //out->lightmapinfo->styles[2] = 255;
4806 //out->lightmapinfo->styles[3] = 255;
4809 // free the no longer needed vertex data
4810 loadmodel->brushq3.num_vertices = 0;
4811 Mem_Free(loadmodel->brushq3.data_vertex3f);
4812 loadmodel->brushq3.data_vertex3f = NULL;
4813 loadmodel->brushq3.data_texcoordtexture2f = NULL;
4814 loadmodel->brushq3.data_texcoordlightmap2f = NULL;
4815 loadmodel->brushq3.data_color4f = NULL;
4816 // free the no longer needed triangle data
4817 loadmodel->brushq3.num_triangles = 0;
4818 Mem_Free(loadmodel->brushq3.data_element3i);
4819 loadmodel->brushq3.data_element3i = NULL;
4822 static void Mod_Q3BSP_LoadModels(lump_t *l)
4826 int i, j, n, c, count;
4828 in = (q3dmodel_t *)(mod_base + l->fileofs);
4829 if (l->filelen % sizeof(*in))
4830 Host_Error("Mod_Q3BSP_LoadModels: funny lump size in %s",loadmodel->name);
4831 count = l->filelen / sizeof(*in);
4832 out = (q3dmodel_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4834 loadmodel->brushq3.data_models = out;
4835 loadmodel->brushq3.num_models = count;
4837 for (i = 0;i < count;i++, in++, out++)
4839 for (j = 0;j < 3;j++)
4841 out->mins[j] = LittleFloat(in->mins[j]);
4842 out->maxs[j] = LittleFloat(in->maxs[j]);
4844 n = LittleLong(in->firstface);
4845 c = LittleLong(in->numfaces);
4846 if (n < 0 || n + c > loadmodel->num_surfaces)
4847 Host_Error("Mod_Q3BSP_LoadModels: invalid face range %i : %i (%i faces)", n, n + c, loadmodel->num_surfaces);
4850 n = LittleLong(in->firstbrush);
4851 c = LittleLong(in->numbrushes);
4852 if (n < 0 || n + c > loadmodel->brush.num_brushes)
4853 Host_Error("Mod_Q3BSP_LoadModels: invalid brush range %i : %i (%i brushes)", n, n + c, loadmodel->brush.num_brushes);
4854 out->firstbrush = n;
4855 out->numbrushes = c;
4859 static void Mod_Q3BSP_LoadLeafBrushes(lump_t *l)
4865 in = (int *)(mod_base + l->fileofs);
4866 if (l->filelen % sizeof(*in))
4867 Host_Error("Mod_Q3BSP_LoadLeafBrushes: funny lump size in %s",loadmodel->name);
4868 count = l->filelen / sizeof(*in);
4869 out = (int *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4871 loadmodel->brush.data_leafbrushes = out;
4872 loadmodel->brush.num_leafbrushes = count;
4874 for (i = 0;i < count;i++, in++, out++)
4876 n = LittleLong(*in);
4877 if (n < 0 || n >= loadmodel->brush.num_brushes)
4878 Host_Error("Mod_Q3BSP_LoadLeafBrushes: invalid brush index %i (%i brushes)", n, loadmodel->brush.num_brushes);
4883 static void Mod_Q3BSP_LoadLeafFaces(lump_t *l)
4889 in = (int *)(mod_base + l->fileofs);
4890 if (l->filelen % sizeof(*in))
4891 Host_Error("Mod_Q3BSP_LoadLeafFaces: funny lump size in %s",loadmodel->name);
4892 count = l->filelen / sizeof(*in);
4893 out = (int *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4895 loadmodel->brush.data_leafsurfaces = out;
4896 loadmodel->brush.num_leafsurfaces = count;
4898 for (i = 0;i < count;i++, in++, out++)
4900 n = LittleLong(*in);
4901 if (n < 0 || n >= loadmodel->num_surfaces)
4902 Host_Error("Mod_Q3BSP_LoadLeafFaces: invalid face index %i (%i faces)", n, loadmodel->num_surfaces);
4907 static void Mod_Q3BSP_LoadLeafs(lump_t *l)
4911 int i, j, n, c, count;
4913 in = (q3dleaf_t *)(mod_base + l->fileofs);
4914 if (l->filelen % sizeof(*in))
4915 Host_Error("Mod_Q3BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
4916 count = l->filelen / sizeof(*in);
4917 out = (mleaf_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4919 loadmodel->brush.data_leafs = out;
4920 loadmodel->brush.num_leafs = count;
4922 for (i = 0;i < count;i++, in++, out++)
4926 out->clusterindex = LittleLong(in->clusterindex);
4927 out->areaindex = LittleLong(in->areaindex);
4928 for (j = 0;j < 3;j++)
4930 // yes the mins/maxs are ints
4931 out->mins[j] = LittleLong(in->mins[j]) - 1;
4932 out->maxs[j] = LittleLong(in->maxs[j]) + 1;
4934 n = LittleLong(in->firstleafface);
4935 c = LittleLong(in->numleaffaces);
4936 if (n < 0 || n + c > loadmodel->brush.num_leafsurfaces)
4937 Host_Error("Mod_Q3BSP_LoadLeafs: invalid leafsurface range %i : %i (%i leafsurfaces)", n, n + c, loadmodel->brush.num_leafsurfaces);
4938 out->firstleafsurface = loadmodel->brush.data_leafsurfaces + n;
4939 out->numleafsurfaces = c;
4940 n = LittleLong(in->firstleafbrush);
4941 c = LittleLong(in->numleafbrushes);
4942 if (n < 0 || n + c > loadmodel->brush.num_leafbrushes)
4943 Host_Error("Mod_Q3BSP_LoadLeafs: invalid leafbrush range %i : %i (%i leafbrushes)", n, n + c, loadmodel->brush.num_leafbrushes);
4944 out->firstleafbrush = loadmodel->brush.data_leafbrushes + n;
4945 out->numleafbrushes = c;
4949 static void Mod_Q3BSP_LoadNodes(lump_t *l)
4955 in = (q3dnode_t *)(mod_base + l->fileofs);
4956 if (l->filelen % sizeof(*in))
4957 Host_Error("Mod_Q3BSP_LoadNodes: funny lump size in %s",loadmodel->name);
4958 count = l->filelen / sizeof(*in);
4959 out = (mnode_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4961 loadmodel->brush.data_nodes = out;
4962 loadmodel->brush.num_nodes = count;
4964 for (i = 0;i < count;i++, in++, out++)
4967 n = LittleLong(in->planeindex);
4968 if (n < 0 || n >= loadmodel->brush.num_planes)
4969 Host_Error("Mod_Q3BSP_LoadNodes: invalid planeindex %i (%i planes)", n, loadmodel->brush.num_planes);
4970 out->plane = loadmodel->brush.data_planes + n;
4971 for (j = 0;j < 2;j++)
4973 n = LittleLong(in->childrenindex[j]);
4976 if (n >= loadmodel->brush.num_nodes)
4977 Host_Error("Mod_Q3BSP_LoadNodes: invalid child node index %i (%i nodes)", n, loadmodel->brush.num_nodes);
4978 out->children[j] = loadmodel->brush.data_nodes + n;
4983 if (n >= loadmodel->brush.num_leafs)
4984 Host_Error("Mod_Q3BSP_LoadNodes: invalid child leaf index %i (%i leafs)", n, loadmodel->brush.num_leafs);
4985 out->children[j] = (mnode_t *)(loadmodel->brush.data_leafs + n);
4988 for (j = 0;j < 3;j++)
4990 // yes the mins/maxs are ints
4991 out->mins[j] = LittleLong(in->mins[j]) - 1;
4992 out->maxs[j] = LittleLong(in->maxs[j]) + 1;
4996 // set the parent pointers
4997 Mod_Q1BSP_LoadNodes_RecursiveSetParent(loadmodel->brush.data_nodes, NULL);
5000 static void Mod_Q3BSP_LoadLightGrid(lump_t *l)
5003 q3dlightgrid_t *out;
5006 in = (q3dlightgrid_t *)(mod_base + l->fileofs);
5007 if (l->filelen % sizeof(*in))
5008 Host_Error("Mod_Q3BSP_LoadLightGrid: funny lump size in %s",loadmodel->name);
5009 loadmodel->brushq3.num_lightgrid_scale[0] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[0];
5010 loadmodel->brushq3.num_lightgrid_scale[1] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[1];
5011 loadmodel->brushq3.num_lightgrid_scale[2] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[2];
5012 loadmodel->brushq3.num_lightgrid_imins[0] = (int)ceil(loadmodel->brushq3.data_models->mins[0] * loadmodel->brushq3.num_lightgrid_scale[0]);
5013 loadmodel->brushq3.num_lightgrid_imins[1] = (int)ceil(loadmodel->brushq3.data_models->mins[1] * loadmodel->brushq3.num_lightgrid_scale[1]);
5014 loadmodel->brushq3.num_lightgrid_imins[2] = (int)ceil(loadmodel->brushq3.data_models->mins[2] * loadmodel->brushq3.num_lightgrid_scale[2]);
5015 loadmodel->brushq3.num_lightgrid_imaxs[0] = (int)floor(loadmodel->brushq3.data_models->maxs[0] * loadmodel->brushq3.num_lightgrid_scale[0]);
5016 loadmodel->brushq3.num_lightgrid_imaxs[1] = (int)floor(loadmodel->brushq3.data_models->maxs[1] * loadmodel->brushq3.num_lightgrid_scale[1]);
5017 loadmodel->brushq3.num_lightgrid_imaxs[2] = (int)floor(loadmodel->brushq3.data_models->maxs[2] * loadmodel->brushq3.num_lightgrid_scale[2]);
5018 loadmodel->brushq3.num_lightgrid_isize[0] = loadmodel->brushq3.num_lightgrid_imaxs[0] - loadmodel->brushq3.num_lightgrid_imins[0] + 1;
5019 loadmodel->brushq3.num_lightgrid_isize[1] = loadmodel->brushq3.num_lightgrid_imaxs[1] - loadmodel->brushq3.num_lightgrid_imins[1] + 1;
5020 loadmodel->brushq3.num_lightgrid_isize[2] = loadmodel->brushq3.num_lightgrid_imaxs[2] - loadmodel->brushq3.num_lightgrid_imins[2] + 1;
5021 count = loadmodel->brushq3.num_lightgrid_isize[0] * loadmodel->brushq3.num_lightgrid_isize[1] * loadmodel->brushq3.num_lightgrid_isize[2];
5022 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]);
5023 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]);
5025 // if lump is empty there is nothing to load, we can deal with that in the LightPoint code
5028 if (l->filelen < count * (int)sizeof(*in))
5029 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]);
5030 if (l->filelen != count * (int)sizeof(*in))
5031 Con_Printf("Mod_Q3BSP_LoadLightGrid: Warning: calculated lightgrid size %i bytes does not match lump size %i", count * sizeof(*in), l->filelen);
5032 out = (q3dlightgrid_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
5033 loadmodel->brushq3.data_lightgrid = out;
5034 loadmodel->brushq3.num_lightgrid = count;
5035 // no swapping or validation necessary
5036 memcpy(out, in, count * (int)sizeof(*out));
5040 static void Mod_Q3BSP_LoadPVS(lump_t *l)
5045 if (l->filelen == 0)
5048 // unvised maps often have cluster indices even without pvs, so check
5049 // leafs to find real number of clusters
5050 loadmodel->brush.num_pvsclusters = 1;
5051 for (i = 0;i < loadmodel->brush.num_leafs;i++)
5052 loadmodel->brush.num_pvsclusters = max(loadmodel->brush.num_pvsclusters, loadmodel->brush.data_leafs[i].clusterindex + 1);
5055 loadmodel->brush.num_pvsclusterbytes = (loadmodel->brush.num_pvsclusters + 7) / 8;
5056 totalchains = loadmodel->brush.num_pvsclusterbytes * loadmodel->brush.num_pvsclusters;
5057 loadmodel->brush.data_pvsclusters = (unsigned char *)Mem_Alloc(loadmodel->mempool, totalchains);
5058 memset(loadmodel->brush.data_pvsclusters, 0xFF, totalchains);
5062 in = (q3dpvs_t *)(mod_base + l->fileofs);
5064 Host_Error("Mod_Q3BSP_LoadPVS: funny lump size in %s",loadmodel->name);
5066 loadmodel->brush.num_pvsclusters = LittleLong(in->numclusters);
5067 loadmodel->brush.num_pvsclusterbytes = LittleLong(in->chainlength);
5068 if (loadmodel->brush.num_pvsclusterbytes < ((loadmodel->brush.num_pvsclusters + 7) / 8))
5069 Host_Error("Mod_Q3BSP_LoadPVS: (chainlength = %i) < ((numclusters = %i) + 7) / 8", loadmodel->brush.num_pvsclusterbytes, loadmodel->brush.num_pvsclusters);
5070 totalchains = loadmodel->brush.num_pvsclusterbytes * loadmodel->brush.num_pvsclusters;
5071 if (l->filelen < totalchains + (int)sizeof(*in))
5072 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);
5074 loadmodel->brush.data_pvsclusters = (unsigned char *)Mem_Alloc(loadmodel->mempool, totalchains);
5075 memcpy(loadmodel->brush.data_pvsclusters, (unsigned char *)(in + 1), totalchains);
5078 static void Mod_Q3BSP_LightPoint(model_t *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal)
5080 int i, j, k, index[3];
5081 float transformed[3], blend1, blend2, blend, yaw, pitch, sinpitch;
5082 q3dlightgrid_t *a, *s;
5083 if (!model->brushq3.num_lightgrid)
5085 ambientcolor[0] = 1;
5086 ambientcolor[1] = 1;
5087 ambientcolor[2] = 1;
5090 Matrix4x4_Transform(&model->brushq3.num_lightgrid_indexfromworld, p, transformed);
5091 //Matrix4x4_Print(&model->brushq3.num_lightgrid_indexfromworld);
5092 //Con_Printf("%f %f %f transformed %f %f %f clamped ", p[0], p[1], p[2], transformed[0], transformed[1], transformed[2]);
5093 transformed[0] = bound(0, transformed[0], model->brushq3.num_lightgrid_isize[0] - 1);
5094 transformed[1] = bound(0, transformed[1], model->brushq3.num_lightgrid_isize[1] - 1);
5095 transformed[2] = bound(0, transformed[2], model->brushq3.num_lightgrid_isize[2] - 1);
5096 index[0] = (int)floor(transformed[0]);
5097 index[1] = (int)floor(transformed[1]);
5098 index[2] = (int)floor(transformed[2]);
5099 //Con_Printf("%f %f %f index %i %i %i:\n", transformed[0], transformed[1], transformed[2], index[0], index[1], index[2]);
5100 // now lerp the values
5101 VectorClear(diffusenormal);
5102 a = &model->brushq3.data_lightgrid[(index[2] * model->brushq3.num_lightgrid_isize[1] + index[1]) * model->brushq3.num_lightgrid_isize[0] + index[0]];
5103 for (k = 0;k < 2;k++)
5105 blend1 = (k ? (transformed[2] - index[2]) : (1 - (transformed[2] - index[2])));
5106 if (blend1 < 0.001f || index[2] + k >= model->brushq3.num_lightgrid_isize[2])
5108 for (j = 0;j < 2;j++)
5110 blend2 = blend1 * (j ? (transformed[1] - index[1]) : (1 - (transformed[1] - index[1])));
5111 if (blend2 < 0.001f || index[1] + j >= model->brushq3.num_lightgrid_isize[1])
5113 for (i = 0;i < 2;i++)
5115 blend = blend2 * (i ? (transformed[0] - index[0]) : (1 - (transformed[0] - index[0])));
5116 if (blend < 0.001f || index[0] + i >= model->brushq3.num_lightgrid_isize[0])
5118 s = a + (k * model->brushq3.num_lightgrid_isize[1] + j) * model->brushq3.num_lightgrid_isize[0] + i;
5119 VectorMA(ambientcolor, blend * (1.0f / 128.0f), s->ambientrgb, ambientcolor);
5120 VectorMA(diffusecolor, blend * (1.0f / 128.0f), s->diffusergb, diffusecolor);
5121 pitch = s->diffusepitch * M_PI / 128;
5122 yaw = s->diffuseyaw * M_PI / 128;
5123 sinpitch = sin(pitch);
5124 diffusenormal[0] += blend * (cos(yaw) * sinpitch);
5125 diffusenormal[1] += blend * (sin(yaw) * sinpitch);
5126 diffusenormal[2] += blend * (cos(pitch));
5127 //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)));
5131 VectorNormalize(diffusenormal);
5132 //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]);
5135 static void Mod_Q3BSP_TracePoint_RecursiveBSPNode(trace_t *trace, model_t *model, mnode_t *node, const vec3_t point, int markframe)
5140 // find which leaf the point is in
5142 node = node->children[DotProduct(point, node->plane->normal) < node->plane->dist];
5143 // point trace the brushes
5144 leaf = (mleaf_t *)node;
5145 for (i = 0;i < leaf->numleafbrushes;i++)
5147 brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf;
5148 if (brush && brush->markframe != markframe && BoxesOverlap(point, point, brush->mins, brush->maxs))
5150 brush->markframe = markframe;
5151 Collision_TracePointBrushFloat(trace, point, brush);
5154 // can't do point traces on curves (they have no thickness)
5157 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)
5159 int i, startside, endside;
5160 float dist1, dist2, midfrac, mid[3], nodesegmentmins[3], nodesegmentmaxs[3];
5162 msurface_t *surface;
5165 // walk the tree until we hit a leaf, recursing for any split cases
5168 plane = node->plane;
5169 // axial planes are much more common than non-axial, so an optimized
5170 // axial case pays off here
5171 if (plane->type < 3)
5173 dist1 = start[plane->type] - plane->dist;
5174 dist2 = end[plane->type] - plane->dist;
5178 dist1 = DotProduct(start, plane->normal) - plane->dist;
5179 dist2 = DotProduct(end, plane->normal) - plane->dist;
5181 startside = dist1 < 0;
5182 endside = dist2 < 0;
5183 if (startside == endside)
5185 // most of the time the line fragment is on one side of the plane
5186 node = node->children[startside];
5190 // line crosses node plane, split the line
5191 dist1 = PlaneDiff(linestart, plane);
5192 dist2 = PlaneDiff(lineend, plane);
5193 midfrac = dist1 / (dist1 - dist2);
5194 VectorLerp(linestart, midfrac, lineend, mid);
5195 // take the near side first
5196 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, node->children[startside], start, mid, startfrac, midfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
5197 // if we found an impact on the front side, don't waste time
5198 // exploring the far side
5199 if (midfrac <= trace->realfraction)
5200 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, node->children[endside], mid, end, midfrac, endfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
5205 nodesegmentmins[0] = min(start[0], end[0]) - 1;
5206 nodesegmentmins[1] = min(start[1], end[1]) - 1;
5207 nodesegmentmins[2] = min(start[2], end[2]) - 1;
5208 nodesegmentmaxs[0] = max(start[0], end[0]) + 1;
5209 nodesegmentmaxs[1] = max(start[1], end[1]) + 1;
5210 nodesegmentmaxs[2] = max(start[2], end[2]) + 1;
5211 // line trace the brushes
5212 leaf = (mleaf_t *)node;
5213 for (i = 0;i < leaf->numleafbrushes;i++)
5215 brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf;
5216 if (brush && brush->markframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, brush->mins, brush->maxs))
5218 brush->markframe = markframe;
5219 Collision_TraceLineBrushFloat(trace, linestart, lineend, brush, brush);
5222 // can't do point traces on curves (they have no thickness)
5223 if (mod_q3bsp_curves_collisions.integer && !VectorCompare(start, end))
5225 // line trace the curves
5226 for (i = 0;i < leaf->numleafsurfaces;i++)
5228 surface = model->data_surfaces + leaf->firstleafsurface[i];
5229 if (surface->num_collisiontriangles && surface->collisionmarkframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, surface->mins, surface->maxs))
5231 surface->collisionmarkframe = markframe;
5232 Collision_TraceLineTriangleMeshFloat(trace, linestart, lineend, surface->num_collisiontriangles, surface->data_collisionelement3i, surface->data_collisionvertex3f, surface->texture->supercontents, surface->texture->surfaceflags, surface->texture, segmentmins, segmentmaxs);
5238 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)
5244 msurface_t *surface;
5246 float nodesegmentmins[3], nodesegmentmaxs[3];
5247 // walk the tree until we hit a leaf, recursing for any split cases
5250 plane = node->plane;
5251 // axial planes are much more common than non-axial, so an optimized
5252 // axial case pays off here
5253 if (plane->type < 3)
5255 // this is an axial plane, compare bounding box directly to it and
5256 // recurse sides accordingly
5257 // recurse down node sides
5258 // use an inlined axial BoxOnPlaneSide to slightly reduce overhead
5259 //sides = BoxOnPlaneSide(nodesegmentmins, nodesegmentmaxs, plane);
5260 //sides = ((segmentmaxs[plane->type] >= plane->dist) | ((segmentmins[plane->type] < plane->dist) << 1));
5261 sides = ((segmentmaxs[plane->type] >= plane->dist) + ((segmentmins[plane->type] < plane->dist) * 2));
5265 // this is a non-axial plane, so check if the start and end boxes
5266 // are both on one side of the plane to handle 'diagonal' cases
5267 sides = BoxOnPlaneSide(thisbrush_start->mins, thisbrush_start->maxs, plane) | BoxOnPlaneSide(thisbrush_end->mins, thisbrush_end->maxs, plane);
5271 // segment crosses plane
5272 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, model, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
5275 // if sides == 0 then the trace itself is bogus (Not A Number values),
5276 // in this case we simply pretend the trace hit nothing
5278 return; // ERROR: NAN bounding box!
5279 // take whichever side the segment box is on
5280 node = node->children[sides - 1];
5282 nodesegmentmins[0] = max(segmentmins[0], node->mins[0] - 1);
5283 nodesegmentmins[1] = max(segmentmins[1], node->mins[1] - 1);
5284 nodesegmentmins[2] = max(segmentmins[2], node->mins[2] - 1);
5285 nodesegmentmaxs[0] = min(segmentmaxs[0], node->maxs[0] + 1);
5286 nodesegmentmaxs[1] = min(segmentmaxs[1], node->maxs[1] + 1);
5287 nodesegmentmaxs[2] = min(segmentmaxs[2], node->maxs[2] + 1);
5289 leaf = (mleaf_t *)node;
5290 for (i = 0;i < leaf->numleafbrushes;i++)
5292 brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf;
5293 if (brush && brush->markframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, brush->mins, brush->maxs))
5295 brush->markframe = markframe;
5296 Collision_TraceBrushBrushFloat(trace, thisbrush_start, thisbrush_end, brush, brush);
5299 if (mod_q3bsp_curves_collisions.integer)
5301 for (i = 0;i < leaf->numleafsurfaces;i++)
5303 surface = model->data_surfaces + leaf->firstleafsurface[i];
5304 if (surface->num_collisiontriangles && surface->collisionmarkframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, surface->mins, surface->maxs))
5306 surface->collisionmarkframe = markframe;
5307 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);
5313 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)
5316 float segmentmins[3], segmentmaxs[3];
5317 static int markframe = 0;
5318 msurface_t *surface;
5320 memset(trace, 0, sizeof(*trace));
5321 trace->fraction = 1;
5322 trace->realfraction = 1;
5323 trace->hitsupercontentsmask = hitsupercontentsmask;
5324 if (mod_q3bsp_optimizedtraceline.integer && VectorLength2(boxmins) + VectorLength2(boxmaxs) == 0)
5326 if (VectorCompare(start, end))
5329 if (model->brush.submodel)
5331 for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
5332 if (brush->colbrushf)
5333 Collision_TracePointBrushFloat(trace, start, brush->colbrushf);
5336 Mod_Q3BSP_TracePoint_RecursiveBSPNode(trace, model, model->brush.data_nodes, start, ++markframe);
5341 segmentmins[0] = min(start[0], end[0]) - 1;
5342 segmentmins[1] = min(start[1], end[1]) - 1;
5343 segmentmins[2] = min(start[2], end[2]) - 1;
5344 segmentmaxs[0] = max(start[0], end[0]) + 1;
5345 segmentmaxs[1] = max(start[1], end[1]) + 1;
5346 segmentmaxs[2] = max(start[2], end[2]) + 1;
5347 if (model->brush.submodel)
5349 for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
5350 if (brush->colbrushf)
5351 Collision_TraceLineBrushFloat(trace, start, end, brush->colbrushf, brush->colbrushf);
5352 if (mod_q3bsp_curves_collisions.integer)
5353 for (i = 0, surface = model->data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
5354 if (surface->num_collisiontriangles)
5355 Collision_TraceLineTriangleMeshFloat(trace, start, end, surface->num_collisiontriangles, surface->data_collisionelement3i, surface->data_collisionvertex3f, surface->texture->supercontents, surface->texture->surfaceflags, surface->texture, segmentmins, segmentmaxs);
5358 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, model->brush.data_nodes, start, end, 0, 1, start, end, ++markframe, segmentmins, segmentmaxs);
5363 // box trace, performed as brush trace
5364 colbrushf_t *thisbrush_start, *thisbrush_end;
5365 vec3_t boxstartmins, boxstartmaxs, boxendmins, boxendmaxs;
5366 segmentmins[0] = min(start[0], end[0]) + boxmins[0] - 1;
5367 segmentmins[1] = min(start[1], end[1]) + boxmins[1] - 1;
5368 segmentmins[2] = min(start[2], end[2]) + boxmins[2] - 1;
5369 segmentmaxs[0] = max(start[0], end[0]) + boxmaxs[0] + 1;
5370 segmentmaxs[1] = max(start[1], end[1]) + boxmaxs[1] + 1;
5371 segmentmaxs[2] = max(start[2], end[2]) + boxmaxs[2] + 1;
5372 VectorAdd(start, boxmins, boxstartmins);
5373 VectorAdd(start, boxmaxs, boxstartmaxs);
5374 VectorAdd(end, boxmins, boxendmins);
5375 VectorAdd(end, boxmaxs, boxendmaxs);
5376 thisbrush_start = Collision_BrushForBox(&identitymatrix, boxstartmins, boxstartmaxs, 0, 0, NULL);
5377 thisbrush_end = Collision_BrushForBox(&identitymatrix, boxendmins, boxendmaxs, 0, 0, NULL);
5378 if (model->brush.submodel)
5380 for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
5381 if (brush->colbrushf)
5382 Collision_TraceBrushBrushFloat(trace, thisbrush_start, thisbrush_end, brush->colbrushf, brush->colbrushf);
5383 if (mod_q3bsp_curves_collisions.integer)
5384 for (i = 0, surface = model->data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
5385 if (surface->num_collisiontriangles)
5386 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);
5389 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, model, model->brush.data_nodes, thisbrush_start, thisbrush_end, ++markframe, segmentmins, segmentmaxs);
5393 static int Mod_Q3BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents)
5395 int supercontents = 0;
5396 if (nativecontents & CONTENTSQ3_SOLID)
5397 supercontents |= SUPERCONTENTS_SOLID;
5398 if (nativecontents & CONTENTSQ3_WATER)
5399 supercontents |= SUPERCONTENTS_WATER;
5400 if (nativecontents & CONTENTSQ3_SLIME)
5401 supercontents |= SUPERCONTENTS_SLIME;
5402 if (nativecontents & CONTENTSQ3_LAVA)
5403 supercontents |= SUPERCONTENTS_LAVA;
5404 if (nativecontents & CONTENTSQ3_BODY)
5405 supercontents |= SUPERCONTENTS_BODY;
5406 if (nativecontents & CONTENTSQ3_CORPSE)
5407 supercontents |= SUPERCONTENTS_CORPSE;
5408 if (nativecontents & CONTENTSQ3_NODROP)
5409 supercontents |= SUPERCONTENTS_NODROP;
5410 if (nativecontents & CONTENTSQ3_PLAYERCLIP)
5411 supercontents |= SUPERCONTENTS_PLAYERCLIP;
5412 if (nativecontents & CONTENTSQ3_MONSTERCLIP)
5413 supercontents |= SUPERCONTENTS_MONSTERCLIP;
5414 if (nativecontents & CONTENTSQ3_DONOTENTER)
5415 supercontents |= SUPERCONTENTS_DONOTENTER;
5416 return supercontents;
5419 static int Mod_Q3BSP_NativeContentsFromSuperContents(model_t *model, int supercontents)
5421 int nativecontents = 0;
5422 if (supercontents & SUPERCONTENTS_SOLID)
5423 nativecontents |= CONTENTSQ3_SOLID;
5424 if (supercontents & SUPERCONTENTS_WATER)
5425 nativecontents |= CONTENTSQ3_WATER;
5426 if (supercontents & SUPERCONTENTS_SLIME)
5427 nativecontents |= CONTENTSQ3_SLIME;
5428 if (supercontents & SUPERCONTENTS_LAVA)
5429 nativecontents |= CONTENTSQ3_LAVA;
5430 if (supercontents & SUPERCONTENTS_BODY)
5431 nativecontents |= CONTENTSQ3_BODY;
5432 if (supercontents & SUPERCONTENTS_CORPSE)
5433 nativecontents |= CONTENTSQ3_CORPSE;
5434 if (supercontents & SUPERCONTENTS_NODROP)
5435 nativecontents |= CONTENTSQ3_NODROP;
5436 if (supercontents & SUPERCONTENTS_PLAYERCLIP)
5437 nativecontents |= CONTENTSQ3_PLAYERCLIP;
5438 if (supercontents & SUPERCONTENTS_MONSTERCLIP)
5439 nativecontents |= CONTENTSQ3_MONSTERCLIP;
5440 if (supercontents & SUPERCONTENTS_DONOTENTER)
5441 nativecontents |= CONTENTSQ3_DONOTENTER;
5442 return nativecontents;
5445 void Mod_Q3BSP_RecursiveFindNumLeafs(mnode_t *node)
5450 Mod_Q3BSP_RecursiveFindNumLeafs(node->children[0]);
5451 node = node->children[1];
5453 numleafs = ((mleaf_t *)node - loadmodel->brush.data_leafs) + 1;
5454 if (loadmodel->brush.num_leafs < numleafs)
5455 loadmodel->brush.num_leafs = numleafs;
5458 void Mod_Q3BSP_Load(model_t *mod, void *buffer, void *bufferend)
5460 int i, j, numshadowmeshtriangles;
5461 q3dheader_t *header;
5462 float corner[3], yawradius, modelradius;
5463 msurface_t *surface;
5465 mod->type = mod_brushq3;
5466 mod->numframes = 2; // although alternate textures are not supported it is annoying to complain about no such frame 1
5469 header = (q3dheader_t *)buffer;
5471 i = LittleLong(header->version);
5472 if (i != Q3BSPVERSION)
5473 Host_Error("Mod_Q3BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q3BSPVERSION);
5474 mod->brush.ishlbsp = false;
5475 mod->brush.ismcbsp = false;
5476 if (loadmodel->isworldmodel)
5478 Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
5479 Cvar_SetValue("mcbsp", mod->brush.ismcbsp);
5482 mod->soundfromcenter = true;
5483 mod->TraceBox = Mod_Q3BSP_TraceBox;
5484 mod->brush.SuperContentsFromNativeContents = Mod_Q3BSP_SuperContentsFromNativeContents;
5485 mod->brush.NativeContentsFromSuperContents = Mod_Q3BSP_NativeContentsFromSuperContents;
5486 mod->brush.GetPVS = Mod_Q1BSP_GetPVS;
5487 mod->brush.FatPVS = Mod_Q1BSP_FatPVS;
5488 mod->brush.BoxTouchingPVS = Mod_Q1BSP_BoxTouchingPVS;
5489 mod->brush.BoxTouchingLeafPVS = Mod_Q1BSP_BoxTouchingLeafPVS;
5490 mod->brush.BoxTouchingVisibleLeafs = Mod_Q1BSP_BoxTouchingVisibleLeafs;
5491 mod->brush.FindBoxClusters = Mod_Q1BSP_FindBoxClusters;
5492 mod->brush.LightPoint = Mod_Q3BSP_LightPoint;
5493 mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
5494 mod->brush.PointInLeaf = Mod_Q1BSP_PointInLeaf;
5495 mod->Draw = R_Q1BSP_Draw;
5496 mod->GetLightInfo = R_Q1BSP_GetLightInfo;
5497 mod->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
5498 mod->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
5499 mod->DrawLight = R_Q1BSP_DrawLight;
5501 mod_base = (unsigned char *)header;
5503 // swap all the lumps
5504 header->ident = LittleLong(header->ident);
5505 header->version = LittleLong(header->version);
5506 for (i = 0;i < Q3HEADER_LUMPS;i++)
5508 header->lumps[i].fileofs = LittleLong(header->lumps[i].fileofs);
5509 header->lumps[i].filelen = LittleLong(header->lumps[i].filelen);
5512 mod->brush.qw_md4sum = 0;
5513 mod->brush.qw_md4sum2 = 0;
5514 for (i = 0;i < Q3HEADER_LUMPS;i++)
5516 if (i == Q3LUMP_ENTITIES)
5518 mod->brush.qw_md4sum ^= Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen);
5519 if (i == Q3LUMP_PVS || i == Q3LUMP_LEAFS || i == Q3LUMP_NODES)
5521 mod->brush.qw_md4sum2 ^= Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen);
5524 Mod_Q3BSP_LoadEntities(&header->lumps[Q3LUMP_ENTITIES]);
5525 Mod_Q3BSP_LoadTextures(&header->lumps[Q3LUMP_TEXTURES]);
5526 Mod_Q3BSP_LoadPlanes(&header->lumps[Q3LUMP_PLANES]);
5527 Mod_Q3BSP_LoadBrushSides(&header->lumps[Q3LUMP_BRUSHSIDES]);
5528 Mod_Q3BSP_LoadBrushes(&header->lumps[Q3LUMP_BRUSHES]);
5529 Mod_Q3BSP_LoadEffects(&header->lumps[Q3LUMP_EFFECTS]);
5530 Mod_Q3BSP_LoadVertices(&header->lumps[Q3LUMP_VERTICES]);
5531 Mod_Q3BSP_LoadTriangles(&header->lumps[Q3LUMP_TRIANGLES]);
5532 Mod_Q3BSP_LoadLightmaps(&header->lumps[Q3LUMP_LIGHTMAPS]);
5533 Mod_Q3BSP_LoadFaces(&header->lumps[Q3LUMP_FACES]);
5534 Mod_Q3BSP_LoadModels(&header->lumps[Q3LUMP_MODELS]);
5535 Mod_Q3BSP_LoadLeafBrushes(&header->lumps[Q3LUMP_LEAFBRUSHES]);
5536 Mod_Q3BSP_LoadLeafFaces(&header->lumps[Q3LUMP_LEAFFACES]);
5537 Mod_Q3BSP_LoadLeafs(&header->lumps[Q3LUMP_LEAFS]);
5538 Mod_Q3BSP_LoadNodes(&header->lumps[Q3LUMP_NODES]);
5539 Mod_Q3BSP_LoadLightGrid(&header->lumps[Q3LUMP_LIGHTGRID]);
5540 Mod_Q3BSP_LoadPVS(&header->lumps[Q3LUMP_PVS]);
5541 loadmodel->brush.numsubmodels = loadmodel->brushq3.num_models;
5543 // the MakePortals code works fine on the q3bsp data as well
5544 Mod_Q1BSP_MakePortals();
5546 // make a single combined shadow mesh to allow optimized shadow volume creation
5547 numshadowmeshtriangles = 0;
5548 for (j = 0, surface = loadmodel->data_surfaces;j < loadmodel->num_surfaces;j++, surface++)
5550 surface->num_firstshadowmeshtriangle = numshadowmeshtriangles;
5551 numshadowmeshtriangles += surface->num_triangles;
5553 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Begin(loadmodel->mempool, numshadowmeshtriangles * 3, numshadowmeshtriangles, NULL, NULL, NULL, false, false, true);
5554 for (j = 0, surface = loadmodel->data_surfaces;j < loadmodel->num_surfaces;j++, surface++)
5555 if (surface->num_triangles > 0)
5556 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));
5557 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Finish(loadmodel->mempool, loadmodel->brush.shadowmesh, false, true);
5558 Mod_BuildTriangleNeighbors(loadmodel->brush.shadowmesh->neighbor3i, loadmodel->brush.shadowmesh->element3i, loadmodel->brush.shadowmesh->numtriangles);
5560 loadmodel->brush.num_leafs = 0;
5561 Mod_Q3BSP_RecursiveFindNumLeafs(loadmodel->brush.data_nodes);
5563 if (loadmodel->isworldmodel)
5565 // clear out any stale submodels or worldmodels lying around
5566 // if we did this clear before now, an error might abort loading and
5567 // leave things in a bad state
5568 Mod_RemoveStaleWorldModels(loadmodel);
5572 for (i = 0;i < loadmodel->brush.numsubmodels;i++)
5577 // LordHavoc: only register submodels if it is the world
5578 // (prevents external bsp models from replacing world submodels with
5580 if (!loadmodel->isworldmodel)
5582 // duplicate the basic information
5583 sprintf(name, "*%i", i);
5584 mod = Mod_FindName(name);
5586 strcpy(mod->name, name);
5587 // textures and memory belong to the main model
5588 mod->texturepool = NULL;
5589 mod->mempool = NULL;
5590 mod->brush.GetPVS = NULL;
5591 mod->brush.FatPVS = NULL;
5592 mod->brush.BoxTouchingPVS = NULL;
5593 mod->brush.BoxTouchingLeafPVS = NULL;
5594 mod->brush.BoxTouchingVisibleLeafs = NULL;
5595 mod->brush.FindBoxClusters = NULL;
5596 mod->brush.LightPoint = NULL;
5597 mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
5599 mod->brush.submodel = i;
5601 // make the model surface list (used by shadowing/lighting)
5602 mod->firstmodelsurface = mod->brushq3.data_models[i].firstface;
5603 mod->nummodelsurfaces = mod->brushq3.data_models[i].numfaces;
5604 mod->firstmodelbrush = mod->brushq3.data_models[i].firstbrush;
5605 mod->nummodelbrushes = mod->brushq3.data_models[i].numbrushes;
5606 mod->surfacelist = (int *)Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->surfacelist));
5607 for (j = 0;j < mod->nummodelsurfaces;j++)
5608 mod->surfacelist[j] = mod->firstmodelsurface + j;
5610 VectorCopy(mod->brushq3.data_models[i].mins, mod->normalmins);
5611 VectorCopy(mod->brushq3.data_models[i].maxs, mod->normalmaxs);
5612 corner[0] = max(fabs(mod->normalmins[0]), fabs(mod->normalmaxs[0]));
5613 corner[1] = max(fabs(mod->normalmins[1]), fabs(mod->normalmaxs[1]));
5614 corner[2] = max(fabs(mod->normalmins[2]), fabs(mod->normalmaxs[2]));
5615 modelradius = sqrt(corner[0]*corner[0]+corner[1]*corner[1]+corner[2]*corner[2]);
5616 yawradius = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
5617 mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius;
5618 mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
5619 mod->yawmaxs[0] = mod->yawmaxs[1] = yawradius;
5620 mod->yawmins[0] = mod->yawmins[1] = -yawradius;
5621 mod->yawmins[2] = mod->normalmins[2];
5622 mod->yawmaxs[2] = mod->normalmaxs[2];
5623 mod->radius = modelradius;
5624 mod->radius2 = modelradius * modelradius;
5626 for (j = 0;j < mod->nummodelsurfaces;j++)
5627 if (mod->data_surfaces[j + mod->firstmodelsurface].texture->surfaceflags & Q3SURFACEFLAG_SKY)
5629 if (j < mod->nummodelsurfaces)
5630 mod->DrawSky = R_Q1BSP_DrawSky;
5634 void Mod_IBSP_Load(model_t *mod, void *buffer, void *bufferend)
5636 int i = LittleLong(((int *)buffer)[1]);
5637 if (i == Q3BSPVERSION)
5638 Mod_Q3BSP_Load(mod,buffer, bufferend);
5639 else if (i == Q2BSPVERSION)
5640 Mod_Q2BSP_Load(mod,buffer, bufferend);
5642 Host_Error("Mod_IBSP_Load: unknown/unsupported version %i", i);
5645 void Mod_MAP_Load(model_t *mod, void *buffer, void *bufferend)
5647 Host_Error("Mod_MAP_Load: not yet implemented");