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].q3surfaceflags = boxq3surfaceflags;cbox_planes[0].texture = boxtexture;
907 cbox_planes[1].q3surfaceflags = boxq3surfaceflags;cbox_planes[1].texture = boxtexture;
908 cbox_planes[2].q3surfaceflags = boxq3surfaceflags;cbox_planes[2].texture = boxtexture;
909 cbox_planes[3].q3surfaceflags = boxq3surfaceflags;cbox_planes[3].texture = boxtexture;
910 cbox_planes[4].q3surfaceflags = boxq3surfaceflags;cbox_planes[4].texture = boxtexture;
911 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] + 0.125, 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;
1237 char mapname[MAX_QPATH], name[MAX_QPATH];
1239 loadmodel->data_textures = NULL;
1241 // add two slots for notexture walls and notexture liquids
1244 m = (dmiptexlump_t *)(mod_base + l->fileofs);
1245 m->nummiptex = LittleLong (m->nummiptex);
1246 loadmodel->num_textures = m->nummiptex + 2;
1251 loadmodel->num_textures = 2;
1254 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_textures * sizeof(texture_t));
1256 // fill out all slots with notexture
1257 for (i = 0, tx = loadmodel->data_textures;i < loadmodel->num_textures;i++, tx++)
1259 strcpy(tx->name, "NO TEXTURE FOUND");
1262 tx->skin.base = r_texture_notexture;
1263 tx->basematerialflags = 0;
1264 if (i == loadmodel->num_textures - 1)
1266 tx->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_LIGHTBOTHSIDES;
1267 tx->supercontents = mod_q1bsp_texture_water.supercontents;
1268 tx->surfaceflags = mod_q1bsp_texture_water.surfaceflags;
1272 tx->basematerialflags |= MATERIALFLAG_WALL;
1273 tx->supercontents = mod_q1bsp_texture_solid.supercontents;
1274 tx->surfaceflags = mod_q1bsp_texture_solid.surfaceflags;
1276 tx->currentframe = tx;
1282 s = loadmodel->name;
1283 if (!strncasecmp(s, "maps/", 5))
1285 FS_StripExtension(s, mapname, sizeof(mapname));
1287 // just to work around bounds checking when debugging with it (array index out of bounds error thing)
1289 // LordHavoc: mostly rewritten map texture loader
1290 for (i = 0;i < m->nummiptex;i++)
1292 dofs[i] = LittleLong(dofs[i]);
1293 if (dofs[i] == -1 || r_nosurftextures.integer)
1295 dmiptex = (miptex_t *)((unsigned char *)m + dofs[i]);
1297 // make sure name is no more than 15 characters
1298 for (j = 0;dmiptex->name[j] && j < 15;j++)
1299 name[j] = dmiptex->name[j];
1302 mtwidth = LittleLong(dmiptex->width);
1303 mtheight = LittleLong(dmiptex->height);
1305 j = LittleLong(dmiptex->offsets[0]);
1309 if (j < 40 || j + mtwidth * mtheight > l->filelen)
1311 Con_Printf("Texture \"%s\" in \"%s\"is corrupt or incomplete\n", dmiptex->name, loadmodel->name);
1314 mtdata = (unsigned char *)dmiptex + j;
1317 if ((mtwidth & 15) || (mtheight & 15))
1318 Con_Printf("warning: texture \"%s\" in \"%s\" is not 16 aligned\n", dmiptex->name, loadmodel->name);
1320 // LordHavoc: force all names to lowercase
1321 for (j = 0;name[j];j++)
1322 if (name[j] >= 'A' && name[j] <= 'Z')
1323 name[j] += 'a' - 'A';
1325 tx = loadmodel->data_textures + i;
1326 strcpy(tx->name, name);
1327 tx->width = mtwidth;
1328 tx->height = mtheight;
1332 sprintf(tx->name, "unnamed%i", i);
1333 Con_Printf("warning: unnamed texture in %s, renaming to %s\n", loadmodel->name, tx->name);
1336 if (cls.state != ca_dedicated)
1338 // LordHavoc: HL sky textures are entirely different than quake
1339 if (!loadmodel->brush.ishlbsp && !strncmp(tx->name, "sky", 3) && mtwidth == 256 && mtheight == 128)
1341 if (loadmodel->isworldmodel)
1343 data = loadimagepixels(tx->name, false, 0, 0);
1346 R_Q1BSP_LoadSplitSky(data, image_width, image_height, 4);
1349 else if (mtdata != NULL)
1350 R_Q1BSP_LoadSplitSky(mtdata, mtwidth, mtheight, 1);
1355 if (!Mod_LoadSkinFrame(&tx->skin, gamemode == GAME_TENEBRAE ? tx->name : va("textures/%s/%s", mapname, tx->name), TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, false, true)
1356 && !Mod_LoadSkinFrame(&tx->skin, gamemode == GAME_TENEBRAE ? tx->name : va("textures/%s", tx->name), TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, false, true))
1358 // did not find external texture, load it from the bsp or wad3
1359 if (loadmodel->brush.ishlbsp)
1361 // internal texture overrides wad
1362 unsigned char *pixels, *freepixels;
1363 pixels = freepixels = NULL;
1365 pixels = W_ConvertWAD3Texture(dmiptex);
1367 pixels = freepixels = W_GetTexture(tx->name);
1370 tx->width = image_width;
1371 tx->height = image_height;
1372 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);
1375 Mem_Free(freepixels);
1377 else if (mtdata) // texture included
1378 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);
1381 if (tx->skin.base == NULL)
1386 tx->skin.base = r_texture_notexture;
1390 tx->basematerialflags = 0;
1391 if (tx->name[0] == '*')
1393 // LordHavoc: some turbulent textures should not be affected by wateralpha
1394 if (strncmp(tx->name,"*lava",5)
1395 && strncmp(tx->name,"*teleport",9)
1396 && strncmp(tx->name,"*rift",5)) // Scourge of Armagon texture
1397 tx->basematerialflags |= MATERIALFLAG_WATERALPHA;
1398 if (!strncmp(tx->name, "*lava", 5))
1400 tx->supercontents = mod_q1bsp_texture_lava.supercontents;
1401 tx->surfaceflags = mod_q1bsp_texture_lava.surfaceflags;
1403 else if (!strncmp(tx->name, "*slime", 6))
1405 tx->supercontents = mod_q1bsp_texture_slime.supercontents;
1406 tx->surfaceflags = mod_q1bsp_texture_slime.surfaceflags;
1410 tx->supercontents = mod_q1bsp_texture_water.supercontents;
1411 tx->surfaceflags = mod_q1bsp_texture_water.surfaceflags;
1413 tx->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_LIGHTBOTHSIDES;
1415 else if (tx->name[0] == 's' && tx->name[1] == 'k' && tx->name[2] == 'y')
1417 tx->supercontents = mod_q1bsp_texture_sky.supercontents;
1418 tx->surfaceflags = mod_q1bsp_texture_sky.surfaceflags;
1419 tx->basematerialflags |= MATERIALFLAG_SKY;
1423 tx->supercontents = mod_q1bsp_texture_solid.supercontents;
1424 tx->surfaceflags = mod_q1bsp_texture_solid.surfaceflags;
1425 tx->basematerialflags |= MATERIALFLAG_WALL;
1428 tx->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_TRANSPARENT;
1430 // start out with no animation
1431 tx->currentframe = tx;
1434 // sequence the animations
1435 for (i = 0;i < m->nummiptex;i++)
1437 tx = loadmodel->data_textures + i;
1438 if (!tx || tx->name[0] != '+' || tx->name[1] == 0 || tx->name[2] == 0)
1440 if (tx->anim_total[0] || tx->anim_total[1])
1441 continue; // already sequenced
1443 // find the number of frames in the animation
1444 memset(anims, 0, sizeof(anims));
1445 memset(altanims, 0, sizeof(altanims));
1447 for (j = i;j < m->nummiptex;j++)
1449 tx2 = loadmodel->data_textures + j;
1450 if (!tx2 || tx2->name[0] != '+' || strcmp(tx2->name+2, tx->name+2))
1454 if (num >= '0' && num <= '9')
1455 anims[num - '0'] = tx2;
1456 else if (num >= 'a' && num <= 'j')
1457 altanims[num - 'a'] = tx2;
1459 Con_Printf("Bad animating texture %s\n", tx->name);
1463 for (j = 0;j < 10;j++)
1470 //Con_Printf("linking animation %s (%i:%i frames)\n\n", tx->name, max, altmax);
1473 for (j = 0;j < max;j++)
1477 Con_Printf("Missing frame %i of %s\n", j, tx->name);
1481 for (j = 0;j < altmax;j++)
1485 Con_Printf("Missing altframe %i of %s\n", j, tx->name);
1494 // if there is no alternate animation, duplicate the primary
1495 // animation into the alternate
1497 for (k = 0;k < 10;k++)
1498 altanims[k] = anims[k];
1501 // link together the primary animation
1502 for (j = 0;j < max;j++)
1505 tx2->animated = true;
1506 tx2->anim_total[0] = max;
1507 tx2->anim_total[1] = altmax;
1508 for (k = 0;k < 10;k++)
1510 tx2->anim_frames[0][k] = anims[k];
1511 tx2->anim_frames[1][k] = altanims[k];
1515 // if there really is an alternate anim...
1516 if (anims[0] != altanims[0])
1518 // link together the alternate animation
1519 for (j = 0;j < altmax;j++)
1522 tx2->animated = true;
1523 // the primary/alternate are reversed here
1524 tx2->anim_total[0] = altmax;
1525 tx2->anim_total[1] = max;
1526 for (k = 0;k < 10;k++)
1528 tx2->anim_frames[0][k] = altanims[k];
1529 tx2->anim_frames[1][k] = anims[k];
1536 static void Mod_Q1BSP_LoadLighting(lump_t *l)
1539 unsigned char *in, *out, *data, d;
1540 char litfilename[MAX_QPATH];
1541 char dlitfilename[MAX_QPATH];
1542 fs_offset_t filesize;
1543 if (loadmodel->brush.ishlbsp) // LordHavoc: load the colored lighting data straight
1545 loadmodel->brushq1.lightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, l->filelen);
1546 for (i=0; i<l->filelen; i++)
1547 loadmodel->brushq1.lightdata[i] = mod_base[l->fileofs+i] >>= 1;
1549 else if (loadmodel->brush.ismcbsp)
1551 loadmodel->brushq1.lightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, l->filelen);
1552 memcpy(loadmodel->brushq1.lightdata, mod_base + l->fileofs, l->filelen);
1554 else // LordHavoc: bsp version 29 (normal white lighting)
1556 // LordHavoc: hope is not lost yet, check for a .lit file to load
1557 strlcpy (litfilename, loadmodel->name, sizeof (litfilename));
1558 FS_StripExtension (litfilename, litfilename, sizeof (litfilename));
1559 strlcpy (dlitfilename, litfilename, sizeof (dlitfilename));
1560 strlcat (litfilename, ".lit", sizeof (litfilename));
1561 strlcat (dlitfilename, ".dlit", sizeof (dlitfilename));
1562 data = (unsigned char*) FS_LoadFile(litfilename, tempmempool, false, &filesize);
1565 if (filesize == (fs_offset_t)(8 + l->filelen * 3) && data[0] == 'Q' && data[1] == 'L' && data[2] == 'I' && data[3] == 'T')
1567 i = LittleLong(((int *)data)[1]);
1570 Con_DPrintf("loaded %s\n", litfilename);
1571 loadmodel->brushq1.lightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, filesize - 8);
1572 memcpy(loadmodel->brushq1.lightdata, data + 8, filesize - 8);
1574 data = (unsigned char*) FS_LoadFile(dlitfilename, tempmempool, false, &filesize);
1577 if (filesize == (fs_offset_t)(8 + l->filelen * 3) && data[0] == 'Q' && data[1] == 'L' && data[2] == 'I' && data[3] == 'T')
1579 i = LittleLong(((int *)data)[1]);
1582 Con_DPrintf("loaded %s\n", dlitfilename);
1583 loadmodel->brushq1.nmaplightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, filesize - 8);
1584 memcpy(loadmodel->brushq1.nmaplightdata, data + 8, filesize - 8);
1585 loadmodel->brushq3.deluxemapping_modelspace = false;
1586 loadmodel->brushq3.deluxemapping = true;
1595 Con_Printf("Unknown .lit file version (%d)\n", i);
1597 else if (filesize == 8)
1598 Con_Print("Empty .lit file, ignoring\n");
1600 Con_Printf("Corrupt .lit file (file size %i bytes, should be %i bytes), ignoring\n", filesize, 8 + l->filelen * 3);
1607 // LordHavoc: oh well, expand the white lighting data
1610 loadmodel->brushq1.lightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, l->filelen*3);
1611 in = mod_base + l->fileofs;
1612 out = loadmodel->brushq1.lightdata;
1613 for (i = 0;i < l->filelen;i++)
1623 static void Mod_Q1BSP_LoadVisibility(lump_t *l)
1625 loadmodel->brushq1.num_compressedpvs = 0;
1626 loadmodel->brushq1.data_compressedpvs = NULL;
1629 loadmodel->brushq1.num_compressedpvs = l->filelen;
1630 loadmodel->brushq1.data_compressedpvs = (unsigned char *)Mem_Alloc(loadmodel->mempool, l->filelen);
1631 memcpy(loadmodel->brushq1.data_compressedpvs, mod_base + l->fileofs, l->filelen);
1634 // used only for HalfLife maps
1635 static void Mod_Q1BSP_ParseWadsFromEntityLump(const char *data)
1637 char key[128], value[4096];
1642 if (!COM_ParseToken(&data, false))
1644 if (com_token[0] != '{')
1648 if (!COM_ParseToken(&data, false))
1650 if (com_token[0] == '}')
1651 break; // end of worldspawn
1652 if (com_token[0] == '_')
1653 strcpy(key, com_token + 1);
1655 strcpy(key, com_token);
1656 while (key[strlen(key)-1] == ' ') // remove trailing spaces
1657 key[strlen(key)-1] = 0;
1658 if (!COM_ParseToken(&data, false))
1660 dpsnprintf(value, sizeof(value), "%s", com_token);
1661 if (!strcmp("wad", key)) // for HalfLife maps
1663 if (loadmodel->brush.ishlbsp)
1666 for (i = 0;i < (int)sizeof(value);i++)
1667 if (value[i] != ';' && value[i] != '\\' && value[i] != '/' && value[i] != ':')
1671 for (;i < (int)sizeof(value);i++)
1673 // ignore path - the \\ check is for HalfLife... stupid windoze 'programmers'...
1674 if (value[i] == '\\' || value[i] == '/' || value[i] == ':')
1676 else if (value[i] == ';' || value[i] == 0)
1680 strcpy(wadname, "textures/");
1681 strcat(wadname, &value[j]);
1682 W_LoadTextureWadFile(wadname, false);
1694 static void Mod_Q1BSP_LoadEntities(lump_t *l)
1696 loadmodel->brush.entities = NULL;
1699 loadmodel->brush.entities = (char *)Mem_Alloc(loadmodel->mempool, l->filelen);
1700 memcpy(loadmodel->brush.entities, mod_base + l->fileofs, l->filelen);
1701 if (loadmodel->brush.ishlbsp)
1702 Mod_Q1BSP_ParseWadsFromEntityLump(loadmodel->brush.entities);
1706 static void Mod_Q1BSP_LoadVertexes(lump_t *l)
1712 in = (dvertex_t *)(mod_base + l->fileofs);
1713 if (l->filelen % sizeof(*in))
1714 Host_Error("Mod_Q1BSP_LoadVertexes: funny lump size in %s",loadmodel->name);
1715 count = l->filelen / sizeof(*in);
1716 out = (mvertex_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
1718 loadmodel->brushq1.vertexes = out;
1719 loadmodel->brushq1.numvertexes = count;
1721 for ( i=0 ; i<count ; i++, in++, out++)
1723 out->position[0] = LittleFloat(in->point[0]);
1724 out->position[1] = LittleFloat(in->point[1]);
1725 out->position[2] = LittleFloat(in->point[2]);
1729 // The following two functions should be removed and MSG_* or SZ_* function sets adjusted so they
1730 // can be used for this
1732 int SB_ReadInt (unsigned char **buffer)
1735 i = ((*buffer)[0]) + 256*((*buffer)[1]) + 65536*((*buffer)[2]) + 16777216*((*buffer)[3]);
1741 float SB_ReadFloat (unsigned char **buffer)
1749 u.i = SB_ReadInt (buffer);
1753 static void Mod_Q1BSP_LoadSubmodels(lump_t *l, hullinfo_t *hullinfo)
1755 unsigned char *index;
1759 index = (unsigned char *)(mod_base + l->fileofs);
1760 if (l->filelen % (48+4*hullinfo->filehulls))
1761 Host_Error ("Mod_Q1BSP_LoadSubmodels: funny lump size in %s", loadmodel->name);
1763 count = l->filelen / (48+4*hullinfo->filehulls);
1764 out = (dmodel_t *)Mem_Alloc (loadmodel->mempool, count*sizeof(*out));
1766 loadmodel->brushq1.submodels = out;
1767 loadmodel->brush.numsubmodels = count;
1769 for (i = 0; i < count; i++, out++)
1771 // spread out the mins / maxs by a pixel
1772 out->mins[0] = SB_ReadFloat (&index) - 1;
1773 out->mins[1] = SB_ReadFloat (&index) - 1;
1774 out->mins[2] = SB_ReadFloat (&index) - 1;
1775 out->maxs[0] = SB_ReadFloat (&index) + 1;
1776 out->maxs[1] = SB_ReadFloat (&index) + 1;
1777 out->maxs[2] = SB_ReadFloat (&index) + 1;
1778 out->origin[0] = SB_ReadFloat (&index);
1779 out->origin[1] = SB_ReadFloat (&index);
1780 out->origin[2] = SB_ReadFloat (&index);
1781 for (j = 0; j < hullinfo->filehulls; j++)
1782 out->headnode[j] = SB_ReadInt (&index);
1783 out->visleafs = SB_ReadInt (&index);
1784 out->firstface = SB_ReadInt (&index);
1785 out->numfaces = SB_ReadInt (&index);
1789 static void Mod_Q1BSP_LoadEdges(lump_t *l)
1795 in = (dedge_t *)(mod_base + l->fileofs);
1796 if (l->filelen % sizeof(*in))
1797 Host_Error("Mod_Q1BSP_LoadEdges: funny lump size in %s",loadmodel->name);
1798 count = l->filelen / sizeof(*in);
1799 out = (medge_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
1801 loadmodel->brushq1.edges = out;
1802 loadmodel->brushq1.numedges = count;
1804 for ( i=0 ; i<count ; i++, in++, out++)
1806 out->v[0] = (unsigned short)LittleShort(in->v[0]);
1807 out->v[1] = (unsigned short)LittleShort(in->v[1]);
1808 if (out->v[0] >= loadmodel->brushq1.numvertexes || out->v[1] >= loadmodel->brushq1.numvertexes)
1810 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);
1817 static void Mod_Q1BSP_LoadTexinfo(lump_t *l)
1821 int i, j, k, count, miptex;
1823 in = (texinfo_t *)(mod_base + l->fileofs);
1824 if (l->filelen % sizeof(*in))
1825 Host_Error("Mod_Q1BSP_LoadTexinfo: funny lump size in %s",loadmodel->name);
1826 count = l->filelen / sizeof(*in);
1827 out = (mtexinfo_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
1829 loadmodel->brushq1.texinfo = out;
1830 loadmodel->brushq1.numtexinfo = count;
1832 for (i = 0;i < count;i++, in++, out++)
1834 for (k = 0;k < 2;k++)
1835 for (j = 0;j < 4;j++)
1836 out->vecs[k][j] = LittleFloat(in->vecs[k][j]);
1838 miptex = LittleLong(in->miptex);
1839 out->flags = LittleLong(in->flags);
1841 out->texture = NULL;
1842 if (loadmodel->data_textures)
1844 if ((unsigned int) miptex >= (unsigned int) loadmodel->num_textures)
1845 Con_Printf("error in model \"%s\": invalid miptex index %i(of %i)\n", loadmodel->name, miptex, loadmodel->num_textures);
1847 out->texture = loadmodel->data_textures + miptex;
1849 if (out->flags & TEX_SPECIAL)
1851 // if texture chosen is NULL or the shader needs a lightmap,
1852 // force to notexture water shader
1853 if (out->texture == NULL || out->texture->basematerialflags & MATERIALFLAG_WALL)
1854 out->texture = loadmodel->data_textures + (loadmodel->num_textures - 1);
1858 // if texture chosen is NULL, force to notexture
1859 if (out->texture == NULL)
1860 out->texture = loadmodel->data_textures + (loadmodel->num_textures - 2);
1866 void BoundPoly(int numverts, float *verts, vec3_t mins, vec3_t maxs)
1871 mins[0] = mins[1] = mins[2] = 9999;
1872 maxs[0] = maxs[1] = maxs[2] = -9999;
1874 for (i = 0;i < numverts;i++)
1876 for (j = 0;j < 3;j++, v++)
1886 #define MAX_SUBDIVPOLYTRIANGLES 4096
1887 #define MAX_SUBDIVPOLYVERTS(MAX_SUBDIVPOLYTRIANGLES * 3)
1889 static int subdivpolyverts, subdivpolytriangles;
1890 static int subdivpolyindex[MAX_SUBDIVPOLYTRIANGLES][3];
1891 static float subdivpolyvert[MAX_SUBDIVPOLYVERTS][3];
1893 static int subdivpolylookupvert(vec3_t v)
1896 for (i = 0;i < subdivpolyverts;i++)
1897 if (subdivpolyvert[i][0] == v[0]
1898 && subdivpolyvert[i][1] == v[1]
1899 && subdivpolyvert[i][2] == v[2])
1901 if (subdivpolyverts >= MAX_SUBDIVPOLYVERTS)
1902 Host_Error("SubDividePolygon: ran out of vertices in buffer, please increase your r_subdivide_size");
1903 VectorCopy(v, subdivpolyvert[subdivpolyverts]);
1904 return subdivpolyverts++;
1907 static void SubdividePolygon(int numverts, float *verts)
1909 int i, i1, i2, i3, f, b, c, p;
1910 vec3_t mins, maxs, front[256], back[256];
1911 float m, *pv, *cv, dist[256], frac;
1914 Host_Error("SubdividePolygon: ran out of verts in buffer");
1916 BoundPoly(numverts, verts, mins, maxs);
1918 for (i = 0;i < 3;i++)
1920 m = (mins[i] + maxs[i]) * 0.5;
1921 m = r_subdivide_size.value * floor(m/r_subdivide_size.value + 0.5);
1922 if (maxs[i] - m < 8)
1924 if (m - mins[i] < 8)
1928 for (cv = verts, c = 0;c < numverts;c++, cv += 3)
1929 dist[c] = cv[i] - m;
1932 for (p = numverts - 1, c = 0, pv = verts + p * 3, cv = verts;c < numverts;p = c, c++, pv = cv, cv += 3)
1936 VectorCopy(pv, front[f]);
1941 VectorCopy(pv, back[b]);
1944 if (dist[p] == 0 || dist[c] == 0)
1946 if ((dist[p] > 0) != (dist[c] > 0) )
1949 frac = dist[p] / (dist[p] - dist[c]);
1950 front[f][0] = back[b][0] = pv[0] + frac * (cv[0] - pv[0]);
1951 front[f][1] = back[b][1] = pv[1] + frac * (cv[1] - pv[1]);
1952 front[f][2] = back[b][2] = pv[2] + frac * (cv[2] - pv[2]);
1958 SubdividePolygon(f, front[0]);
1959 SubdividePolygon(b, back[0]);
1963 i1 = subdivpolylookupvert(verts);
1964 i2 = subdivpolylookupvert(verts + 3);
1965 for (i = 2;i < numverts;i++)
1967 if (subdivpolytriangles >= MAX_SUBDIVPOLYTRIANGLES)
1969 Con_Print("SubdividePolygon: ran out of triangles in buffer, please increase your r_subdivide_size\n");
1973 i3 = subdivpolylookupvert(verts + i * 3);
1974 subdivpolyindex[subdivpolytriangles][0] = i1;
1975 subdivpolyindex[subdivpolytriangles][1] = i2;
1976 subdivpolyindex[subdivpolytriangles][2] = i3;
1978 subdivpolytriangles++;
1982 //Breaks a polygon up along axial 64 unit
1983 //boundaries so that turbulent and sky warps
1984 //can be done reasonably.
1985 static void Mod_Q1BSP_GenerateWarpMesh(msurface_t *surface)
1991 subdivpolytriangles = 0;
1992 subdivpolyverts = 0;
1993 SubdividePolygon(surface->num_vertices, (surface->mesh->data_vertex3f + 3 * surface->num_firstvertex));
1994 if (subdivpolytriangles < 1)
1995 Host_Error("Mod_Q1BSP_GenerateWarpMesh: no triangles?");
1997 surface->mesh = mesh = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t) + subdivpolytriangles * sizeof(int[3]) + subdivpolyverts * sizeof(surfvertex_t));
1998 mesh->num_vertices = subdivpolyverts;
1999 mesh->num_triangles = subdivpolytriangles;
2000 mesh->vertex = (surfvertex_t *)(mesh + 1);
2001 mesh->index = (int *)(mesh->vertex + mesh->num_vertices);
2002 memset(mesh->vertex, 0, mesh->num_vertices * sizeof(surfvertex_t));
2004 for (i = 0;i < mesh->num_triangles;i++)
2005 for (j = 0;j < 3;j++)
2006 mesh->index[i*3+j] = subdivpolyindex[i][j];
2008 for (i = 0, v = mesh->vertex;i < subdivpolyverts;i++, v++)
2010 VectorCopy(subdivpolyvert[i], v->v);
2011 v->st[0] = DotProduct(v->v, surface->lightmapinfo->texinfo->vecs[0]);
2012 v->st[1] = DotProduct(v->v, surface->lightmapinfo->texinfo->vecs[1]);
2017 static qboolean Mod_Q1BSP_AllocLightmapBlock(int *lineused, int totalwidth, int totalheight, int blockwidth, int blockheight, int *outx, int *outy)
2020 int bestx = totalwidth, besty = 0;
2021 // find the left-most space we can find
2022 for (y = 0;y <= totalheight - blockheight;y++)
2025 for (y2 = 0;y2 < blockheight;y2++)
2026 x2 = max(x2, lineused[y+y2]);
2033 // if the best was not good enough, return failure
2034 if (bestx > totalwidth - blockwidth)
2036 // we found a good spot
2041 // now mark the space used
2042 for (y2 = 0;y2 < blockheight;y2++)
2043 lineused[besty+y2] = bestx + blockwidth;
2048 static void Mod_Q1BSP_LoadFaces(lump_t *l)
2051 msurface_t *surface;
2052 int i, j, count, surfacenum, planenum, smax, tmax, ssize, tsize, firstedge, numedges, totalverts, totaltris, lightmapnumber;
2053 float texmins[2], texmaxs[2], val, lightmaptexcoordscale;
2054 #define LIGHTMAPSIZE 256
2055 rtexture_t *lightmaptexture, *deluxemaptexture;
2056 int lightmap_lineused[LIGHTMAPSIZE];
2058 in = (dface_t *)(mod_base + l->fileofs);
2059 if (l->filelen % sizeof(*in))
2060 Host_Error("Mod_Q1BSP_LoadFaces: funny lump size in %s",loadmodel->name);
2061 count = l->filelen / sizeof(*in);
2062 loadmodel->data_surfaces = (msurface_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(msurface_t));
2063 loadmodel->data_surfaces_lightmapinfo = (msurface_lightmapinfo_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(msurface_lightmapinfo_t));
2065 loadmodel->num_surfaces = count;
2069 for (surfacenum = 0, in = (dface_t *)(mod_base + l->fileofs);surfacenum < count;surfacenum++, in++)
2071 numedges = LittleShort(in->numedges);
2072 totalverts += numedges;
2073 totaltris += numedges - 2;
2076 Mod_AllocSurfMesh(loadmodel->mempool, totalverts, totaltris, true, false, false);
2078 lightmaptexture = NULL;
2079 deluxemaptexture = r_texture_blanknormalmap;
2081 lightmaptexcoordscale = 1.0f / (float)LIGHTMAPSIZE;
2085 for (surfacenum = 0, in = (dface_t *)(mod_base + l->fileofs), surface = loadmodel->data_surfaces;surfacenum < count;surfacenum++, in++, surface++)
2087 surface->lightmapinfo = loadmodel->data_surfaces_lightmapinfo + surfacenum;
2089 // FIXME: validate edges, texinfo, etc?
2090 firstedge = LittleLong(in->firstedge);
2091 numedges = LittleShort(in->numedges);
2092 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)
2093 Host_Error("Mod_Q1BSP_LoadFaces: invalid edge range (firstedge %i, numedges %i, model edges %i)", firstedge, numedges, loadmodel->brushq1.numsurfedges);
2094 i = LittleShort(in->texinfo);
2095 if ((unsigned int) i >= (unsigned int) loadmodel->brushq1.numtexinfo)
2096 Host_Error("Mod_Q1BSP_LoadFaces: invalid texinfo index %i(model has %i texinfos)", i, loadmodel->brushq1.numtexinfo);
2097 surface->lightmapinfo->texinfo = loadmodel->brushq1.texinfo + i;
2098 surface->texture = surface->lightmapinfo->texinfo->texture;
2100 planenum = LittleShort(in->planenum);
2101 if ((unsigned int) planenum >= (unsigned int) loadmodel->brush.num_planes)
2102 Host_Error("Mod_Q1BSP_LoadFaces: invalid plane index %i (model has %i planes)", planenum, loadmodel->brush.num_planes);
2104 //surface->flags = surface->texture->flags;
2105 //if (LittleShort(in->side))
2106 // surface->flags |= SURF_PLANEBACK;
2107 //surface->plane = loadmodel->brush.data_planes + planenum;
2109 surface->num_firstvertex = totalverts;
2110 surface->num_vertices = numedges;
2111 surface->num_firsttriangle = totaltris;
2112 surface->num_triangles = numedges - 2;
2113 totalverts += numedges;
2114 totaltris += numedges - 2;
2116 // convert edges back to a normal polygon
2117 for (i = 0;i < surface->num_vertices;i++)
2119 int lindex = loadmodel->brushq1.surfedges[firstedge + i];
2122 VectorCopy(loadmodel->brushq1.vertexes[loadmodel->brushq1.edges[lindex].v[0]].position, (loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3);
2124 VectorCopy(loadmodel->brushq1.vertexes[loadmodel->brushq1.edges[-lindex].v[1]].position, (loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3);
2125 s = DotProduct(((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3), surface->lightmapinfo->texinfo->vecs[0]) + surface->lightmapinfo->texinfo->vecs[0][3];
2126 t = DotProduct(((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3), surface->lightmapinfo->texinfo->vecs[1]) + surface->lightmapinfo->texinfo->vecs[1][3];
2127 (loadmodel->surfmesh.data_texcoordtexture2f + 2 * surface->num_firstvertex)[i * 2 + 0] = s / surface->texture->width;
2128 (loadmodel->surfmesh.data_texcoordtexture2f + 2 * surface->num_firstvertex)[i * 2 + 1] = t / surface->texture->height;
2129 (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 0] = 0;
2130 (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 1] = 0;
2131 (loadmodel->surfmesh.data_lightmapoffsets + surface->num_firstvertex)[i] = 0;
2134 for (i = 0;i < surface->num_triangles;i++)
2136 (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle)[i * 3 + 0] = 0 + surface->num_firstvertex;
2137 (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle)[i * 3 + 1] = i + 1 + surface->num_firstvertex;
2138 (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle)[i * 3 + 2] = i + 2 + surface->num_firstvertex;
2141 // compile additional data about the surface geometry
2142 Mod_BuildNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, loadmodel->surfmesh.data_vertex3f, (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle), loadmodel->surfmesh.data_normal3f, true);
2143 Mod_BuildTextureVectorsFromNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle), loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, true);
2144 BoxFromPoints(surface->mins, surface->maxs, surface->num_vertices, (loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex));
2146 // generate surface extents information
2147 texmins[0] = texmaxs[0] = DotProduct((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex), surface->lightmapinfo->texinfo->vecs[0]) + surface->lightmapinfo->texinfo->vecs[0][3];
2148 texmins[1] = texmaxs[1] = DotProduct((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex), surface->lightmapinfo->texinfo->vecs[1]) + surface->lightmapinfo->texinfo->vecs[1][3];
2149 for (i = 1;i < surface->num_vertices;i++)
2151 for (j = 0;j < 2;j++)
2153 val = DotProduct((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3, surface->lightmapinfo->texinfo->vecs[j]) + surface->lightmapinfo->texinfo->vecs[j][3];
2154 texmins[j] = min(texmins[j], val);
2155 texmaxs[j] = max(texmaxs[j], val);
2158 for (i = 0;i < 2;i++)
2160 surface->lightmapinfo->texturemins[i] = (int) floor(texmins[i] / 16.0) * 16;
2161 surface->lightmapinfo->extents[i] = (int) ceil(texmaxs[i] / 16.0) * 16 - surface->lightmapinfo->texturemins[i];
2164 smax = surface->lightmapinfo->extents[0] >> 4;
2165 tmax = surface->lightmapinfo->extents[1] >> 4;
2166 ssize = (surface->lightmapinfo->extents[0] >> 4) + 1;
2167 tsize = (surface->lightmapinfo->extents[1] >> 4) + 1;
2170 for (i = 0;i < MAXLIGHTMAPS;i++)
2171 surface->lightmapinfo->styles[i] = in->styles[i];
2172 surface->lightmaptexture = NULL;
2173 surface->deluxemaptexture = r_texture_blanknormalmap;
2174 i = LittleLong(in->lightofs);
2177 surface->lightmapinfo->samples = NULL;
2178 // give non-lightmapped water a 1x white lightmap
2179 if ((surface->texture->basematerialflags & MATERIALFLAG_WATER) && (surface->lightmapinfo->texinfo->flags & TEX_SPECIAL) && ssize <= 256 && tsize <= 256)
2181 surface->lightmapinfo->samples = (unsigned char *)Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
2182 surface->lightmapinfo->styles[0] = 0;
2183 memset(surface->lightmapinfo->samples, 128, ssize * tsize * 3);
2186 else if (loadmodel->brush.ishlbsp) // LordHavoc: HalfLife map (bsp version 30)
2187 surface->lightmapinfo->samples = loadmodel->brushq1.lightdata + i;
2188 else // LordHavoc: white lighting (bsp version 29)
2190 surface->lightmapinfo->samples = loadmodel->brushq1.lightdata + (i * 3);
2191 if (loadmodel->brushq1.nmaplightdata)
2192 surface->lightmapinfo->nmapsamples = loadmodel->brushq1.nmaplightdata + (i * 3);
2195 // check if we should apply a lightmap to this
2196 if (!(surface->lightmapinfo->texinfo->flags & TEX_SPECIAL) || surface->lightmapinfo->samples)
2198 int i, iu, iv, lightmapx, lightmapy;
2199 float u, v, ubase, vbase, uscale, vscale;
2201 if (ssize > 256 || tsize > 256)
2202 Host_Error("Bad surface extents");
2203 // force lightmap upload on first time seeing the surface
2204 surface->cached_dlight = true;
2205 // stainmap for permanent marks on walls
2206 surface->lightmapinfo->stainsamples = (unsigned char *)Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
2208 memset(surface->lightmapinfo->stainsamples, 255, ssize * tsize * 3);
2210 // find a place for this lightmap
2211 if (!lightmaptexture || !Mod_Q1BSP_AllocLightmapBlock(lightmap_lineused, LIGHTMAPSIZE, LIGHTMAPSIZE, ssize, tsize, &lightmapx, &lightmapy))
2213 // could not find room, make a new lightmap
2214 lightmaptexture = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%i", lightmapnumber), LIGHTMAPSIZE, LIGHTMAPSIZE, NULL, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
2215 if (loadmodel->brushq1.nmaplightdata)
2216 deluxemaptexture = R_LoadTexture2D(loadmodel->texturepool, va("deluxemap%i", lightmapnumber), LIGHTMAPSIZE, LIGHTMAPSIZE, NULL, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
2218 memset(lightmap_lineused, 0, sizeof(lightmap_lineused));
2219 Mod_Q1BSP_AllocLightmapBlock(lightmap_lineused, LIGHTMAPSIZE, LIGHTMAPSIZE, ssize, tsize, &lightmapx, &lightmapy);
2222 surface->lightmaptexture = lightmaptexture;
2223 surface->deluxemaptexture = deluxemaptexture;
2224 surface->lightmapinfo->lightmaporigin[0] = lightmapx;
2225 surface->lightmapinfo->lightmaporigin[1] = lightmapy;
2227 ubase = lightmapx * lightmaptexcoordscale;
2228 vbase = lightmapy * lightmaptexcoordscale;
2229 uscale = lightmaptexcoordscale;
2230 vscale = lightmaptexcoordscale;
2232 for (i = 0;i < surface->num_vertices;i++)
2234 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);
2235 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);
2236 (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 0] = u * uscale + ubase;
2237 (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 1] = v * vscale + vbase;
2238 // LordHavoc: calc lightmap data offset for vertex lighting to use
2241 (loadmodel->surfmesh.data_lightmapoffsets + surface->num_firstvertex)[i] = (bound(0, iv, tmax) * ssize + bound(0, iu, smax)) * 3;
2247 static void Mod_Q1BSP_LoadNodes_RecursiveSetParent(mnode_t *node, mnode_t *parent)
2250 // Host_Error("Mod_Q1BSP_LoadNodes_RecursiveSetParent: runaway recursion");
2251 node->parent = parent;
2254 Mod_Q1BSP_LoadNodes_RecursiveSetParent(node->children[0], node);
2255 Mod_Q1BSP_LoadNodes_RecursiveSetParent(node->children[1], node);
2259 static void Mod_Q1BSP_LoadNodes(lump_t *l)
2265 in = (dnode_t *)(mod_base + l->fileofs);
2266 if (l->filelen % sizeof(*in))
2267 Host_Error("Mod_Q1BSP_LoadNodes: funny lump size in %s",loadmodel->name);
2268 count = l->filelen / sizeof(*in);
2269 out = (mnode_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
2271 loadmodel->brush.data_nodes = out;
2272 loadmodel->brush.num_nodes = count;
2274 for ( i=0 ; i<count ; i++, in++, out++)
2276 for (j=0 ; j<3 ; j++)
2278 out->mins[j] = LittleShort(in->mins[j]);
2279 out->maxs[j] = LittleShort(in->maxs[j]);
2282 p = LittleLong(in->planenum);
2283 out->plane = loadmodel->brush.data_planes + p;
2285 out->firstsurface = LittleShort(in->firstface);
2286 out->numsurfaces = LittleShort(in->numfaces);
2288 for (j=0 ; j<2 ; j++)
2290 p = LittleShort(in->children[j]);
2292 out->children[j] = loadmodel->brush.data_nodes + p;
2294 out->children[j] = (mnode_t *)(loadmodel->brush.data_leafs + (-1 - p));
2298 Mod_Q1BSP_LoadNodes_RecursiveSetParent(loadmodel->brush.data_nodes, NULL); // sets nodes and leafs
2301 static void Mod_Q1BSP_LoadLeafs(lump_t *l)
2307 in = (dleaf_t *)(mod_base + l->fileofs);
2308 if (l->filelen % sizeof(*in))
2309 Host_Error("Mod_Q1BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
2310 count = l->filelen / sizeof(*in);
2311 out = (mleaf_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
2313 loadmodel->brush.data_leafs = out;
2314 loadmodel->brush.num_leafs = count;
2315 // get visleafs from the submodel data
2316 loadmodel->brush.num_pvsclusters = loadmodel->brushq1.submodels[0].visleafs;
2317 loadmodel->brush.num_pvsclusterbytes = (loadmodel->brush.num_pvsclusters+7)>>3;
2318 loadmodel->brush.data_pvsclusters = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_pvsclusters * loadmodel->brush.num_pvsclusterbytes);
2319 memset(loadmodel->brush.data_pvsclusters, 0xFF, loadmodel->brush.num_pvsclusters * loadmodel->brush.num_pvsclusterbytes);
2321 for ( i=0 ; i<count ; i++, in++, out++)
2323 for (j=0 ; j<3 ; j++)
2325 out->mins[j] = LittleShort(in->mins[j]);
2326 out->maxs[j] = LittleShort(in->maxs[j]);
2329 // FIXME: this function could really benefit from some error checking
2331 out->contents = LittleLong(in->contents);
2333 out->firstleafsurface = loadmodel->brush.data_leafsurfaces + LittleShort(in->firstmarksurface);
2334 out->numleafsurfaces = LittleShort(in->nummarksurfaces);
2335 if (out->firstleafsurface < 0 || LittleShort(in->firstmarksurface) + out->numleafsurfaces > loadmodel->brush.num_leafsurfaces)
2337 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);
2338 out->firstleafsurface = NULL;
2339 out->numleafsurfaces = 0;
2342 out->clusterindex = i - 1;
2343 if (out->clusterindex >= loadmodel->brush.num_pvsclusters)
2344 out->clusterindex = -1;
2346 p = LittleLong(in->visofs);
2347 // ignore visofs errors on leaf 0 (solid)
2348 if (p >= 0 && out->clusterindex >= 0)
2350 if (p >= loadmodel->brushq1.num_compressedpvs)
2351 Con_Print("Mod_Q1BSP_LoadLeafs: invalid visofs\n");
2353 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);
2356 for (j = 0;j < 4;j++)
2357 out->ambient_sound_level[j] = in->ambient_level[j];
2359 // FIXME: Insert caustics here
2363 static void Mod_Q1BSP_LoadClipnodes(lump_t *l, hullinfo_t *hullinfo)
2365 dclipnode_t *in, *out;
2369 in = (dclipnode_t *)(mod_base + l->fileofs);
2370 if (l->filelen % sizeof(*in))
2371 Host_Error("Mod_Q1BSP_LoadClipnodes: funny lump size in %s",loadmodel->name);
2372 count = l->filelen / sizeof(*in);
2373 out = (dclipnode_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
2375 loadmodel->brushq1.clipnodes = out;
2376 loadmodel->brushq1.numclipnodes = count;
2378 for (i = 1; i < hullinfo->numhulls; i++)
2380 hull = &loadmodel->brushq1.hulls[i];
2381 hull->clipnodes = out;
2382 hull->firstclipnode = 0;
2383 hull->lastclipnode = count-1;
2384 hull->planes = loadmodel->brush.data_planes;
2385 hull->clip_mins[0] = hullinfo->hullsizes[i][0][0];
2386 hull->clip_mins[1] = hullinfo->hullsizes[i][0][1];
2387 hull->clip_mins[2] = hullinfo->hullsizes[i][0][2];
2388 hull->clip_maxs[0] = hullinfo->hullsizes[i][1][0];
2389 hull->clip_maxs[1] = hullinfo->hullsizes[i][1][1];
2390 hull->clip_maxs[2] = hullinfo->hullsizes[i][1][2];
2391 VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
2394 for (i=0 ; i<count ; i++, out++, in++)
2396 out->planenum = LittleLong(in->planenum);
2397 out->children[0] = LittleShort(in->children[0]);
2398 out->children[1] = LittleShort(in->children[1]);
2399 if (out->planenum < 0 || out->planenum >= loadmodel->brush.num_planes)
2400 Host_Error("Corrupt clipping hull(out of range planenum)");
2401 if (out->children[0] >= count || out->children[1] >= count)
2402 Host_Error("Corrupt clipping hull(out of range child)");
2406 //Duplicate the drawing hull structure as a clipping hull
2407 static void Mod_Q1BSP_MakeHull0(void)
2414 hull = &loadmodel->brushq1.hulls[0];
2416 in = loadmodel->brush.data_nodes;
2417 out = (dclipnode_t *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_nodes * sizeof(dclipnode_t));
2419 hull->clipnodes = out;
2420 hull->firstclipnode = 0;
2421 hull->lastclipnode = loadmodel->brush.num_nodes - 1;
2422 hull->planes = loadmodel->brush.data_planes;
2424 for (i = 0;i < loadmodel->brush.num_nodes;i++, out++, in++)
2426 out->planenum = in->plane - loadmodel->brush.data_planes;
2427 out->children[0] = in->children[0]->plane ? in->children[0] - loadmodel->brush.data_nodes : ((mleaf_t *)in->children[0])->contents;
2428 out->children[1] = in->children[1]->plane ? in->children[1] - loadmodel->brush.data_nodes : ((mleaf_t *)in->children[1])->contents;
2432 static void Mod_Q1BSP_LoadLeaffaces(lump_t *l)
2437 in = (short *)(mod_base + l->fileofs);
2438 if (l->filelen % sizeof(*in))
2439 Host_Error("Mod_Q1BSP_LoadLeaffaces: funny lump size in %s",loadmodel->name);
2440 loadmodel->brush.num_leafsurfaces = l->filelen / sizeof(*in);
2441 loadmodel->brush.data_leafsurfaces = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_leafsurfaces * sizeof(int));
2443 for (i = 0;i < loadmodel->brush.num_leafsurfaces;i++)
2445 j = (unsigned) LittleShort(in[i]);
2446 if (j >= loadmodel->num_surfaces)
2447 Host_Error("Mod_Q1BSP_LoadLeaffaces: bad surface number");
2448 loadmodel->brush.data_leafsurfaces[i] = j;
2452 static void Mod_Q1BSP_LoadSurfedges(lump_t *l)
2457 in = (int *)(mod_base + l->fileofs);
2458 if (l->filelen % sizeof(*in))
2459 Host_Error("Mod_Q1BSP_LoadSurfedges: funny lump size in %s",loadmodel->name);
2460 loadmodel->brushq1.numsurfedges = l->filelen / sizeof(*in);
2461 loadmodel->brushq1.surfedges = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.numsurfedges * sizeof(int));
2463 for (i = 0;i < loadmodel->brushq1.numsurfedges;i++)
2464 loadmodel->brushq1.surfedges[i] = LittleLong(in[i]);
2468 static void Mod_Q1BSP_LoadPlanes(lump_t *l)
2474 in = (dplane_t *)(mod_base + l->fileofs);
2475 if (l->filelen % sizeof(*in))
2476 Host_Error("Mod_Q1BSP_LoadPlanes: funny lump size in %s", loadmodel->name);
2478 loadmodel->brush.num_planes = l->filelen / sizeof(*in);
2479 loadmodel->brush.data_planes = out = (mplane_t *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_planes * sizeof(*out));
2481 for (i = 0;i < loadmodel->brush.num_planes;i++, in++, out++)
2483 out->normal[0] = LittleFloat(in->normal[0]);
2484 out->normal[1] = LittleFloat(in->normal[1]);
2485 out->normal[2] = LittleFloat(in->normal[2]);
2486 out->dist = LittleFloat(in->dist);
2492 static void Mod_Q1BSP_LoadMapBrushes(void)
2496 int submodel, numbrushes;
2497 qboolean firstbrush;
2498 char *text, *maptext;
2499 char mapfilename[MAX_QPATH];
2500 FS_StripExtension (loadmodel->name, mapfilename, sizeof (mapfilename));
2501 strlcat (mapfilename, ".map", sizeof (mapfilename));
2502 maptext = (unsigned char*) FS_LoadFile(mapfilename, tempmempool, false, NULL);
2506 if (!COM_ParseToken(&data, false))
2511 if (!COM_ParseToken(&data, false))
2513 if (com_token[0] != '{')
2519 brushes = Mem_Alloc(loadmodel->mempool, maxbrushes * sizeof(mbrush_t));
2522 if (!COM_ParseToken(&data, false))
2524 if (com_token[0] == '}')
2525 break; // end of entity
2526 if (com_token[0] == '{')
2533 if (submodel > loadmodel->brush.numsubmodels)
2535 Con_Printf("Mod_Q1BSP_LoadMapBrushes: .map has more submodels than .bsp!\n");
2539 model = loadmodel->brush.submodels[submodel];
2546 if (!COM_ParseToken(&data, false))
2548 if (com_token[0] == '}')
2549 break; // end of brush
2550 // each brush face should be this format:
2551 // ( x y z ) ( x y z ) ( x y z ) texture scroll_s scroll_t rotateangle scale_s scale_t
2552 // FIXME: support hl .map format
2553 for (pointnum = 0;pointnum < 3;pointnum++)
2555 COM_ParseToken(&data, false);
2556 for (componentnum = 0;componentnum < 3;componentnum++)
2558 COM_ParseToken(&data, false);
2559 point[pointnum][componentnum] = atof(com_token);
2561 COM_ParseToken(&data, false);
2563 COM_ParseToken(&data, false);
2564 strlcpy(facetexture, com_token, sizeof(facetexture));
2565 COM_ParseToken(&data, false);
2566 //scroll_s = atof(com_token);
2567 COM_ParseToken(&data, false);
2568 //scroll_t = atof(com_token);
2569 COM_ParseToken(&data, false);
2570 //rotate = atof(com_token);
2571 COM_ParseToken(&data, false);
2572 //scale_s = atof(com_token);
2573 COM_ParseToken(&data, false);
2574 //scale_t = atof(com_token);
2575 TriangleNormal(point[0], point[1], point[2], planenormal);
2576 VectorNormalizeDouble(planenormal);
2577 planedist = DotProduct(point[0], planenormal);
2578 //ChooseTexturePlane(planenormal, texturevector[0], texturevector[1]);
2588 #define MAX_PORTALPOINTS 64
2590 typedef struct portal_s
2593 mnode_t *nodes[2]; // [0] = front side of plane
2594 struct portal_s *next[2];
2596 double points[3*MAX_PORTALPOINTS];
2597 struct portal_s *chain; // all portals are linked into a list
2601 static portal_t *portalchain;
2608 static portal_t *AllocPortal(void)
2611 p = (portal_t *)Mem_Alloc(loadmodel->mempool, sizeof(portal_t));
2612 p->chain = portalchain;
2617 static void FreePortal(portal_t *p)
2622 static void Mod_Q1BSP_RecursiveRecalcNodeBBox(mnode_t *node)
2624 // process only nodes (leafs already had their box calculated)
2628 // calculate children first
2629 Mod_Q1BSP_RecursiveRecalcNodeBBox(node->children[0]);
2630 Mod_Q1BSP_RecursiveRecalcNodeBBox(node->children[1]);
2632 // make combined bounding box from children
2633 node->mins[0] = min(node->children[0]->mins[0], node->children[1]->mins[0]);
2634 node->mins[1] = min(node->children[0]->mins[1], node->children[1]->mins[1]);
2635 node->mins[2] = min(node->children[0]->mins[2], node->children[1]->mins[2]);
2636 node->maxs[0] = max(node->children[0]->maxs[0], node->children[1]->maxs[0]);
2637 node->maxs[1] = max(node->children[0]->maxs[1], node->children[1]->maxs[1]);
2638 node->maxs[2] = max(node->children[0]->maxs[2], node->children[1]->maxs[2]);
2641 static void Mod_Q1BSP_FinalizePortals(void)
2643 int i, j, numportals, numpoints;
2644 portal_t *p, *pnext;
2647 mleaf_t *leaf, *endleaf;
2649 // tally up portal and point counts and recalculate bounding boxes for all
2650 // leafs (because qbsp is very sloppy)
2651 leaf = loadmodel->brush.data_leafs;
2652 endleaf = leaf + loadmodel->brush.num_leafs;
2653 for (;leaf < endleaf;leaf++)
2655 VectorSet(leaf->mins, 2000000000, 2000000000, 2000000000);
2656 VectorSet(leaf->maxs, -2000000000, -2000000000, -2000000000);
2663 // note: this check must match the one below or it will usually corrupt memory
2664 // 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
2665 if (p->numpoints >= 3 && p->nodes[0] != p->nodes[1] && ((mleaf_t *)p->nodes[0])->clusterindex >= 0 && ((mleaf_t *)p->nodes[1])->clusterindex >= 0)
2668 numpoints += p->numpoints * 2;
2672 loadmodel->brush.data_portals = (mportal_t *)Mem_Alloc(loadmodel->mempool, numportals * sizeof(mportal_t) + numpoints * sizeof(mvertex_t));
2673 loadmodel->brush.num_portals = numportals;
2674 loadmodel->brush.data_portalpoints = (mvertex_t *)((unsigned char *) loadmodel->brush.data_portals + numportals * sizeof(mportal_t));
2675 loadmodel->brush.num_portalpoints = numpoints;
2676 // clear all leaf portal chains
2677 for (i = 0;i < loadmodel->brush.num_leafs;i++)
2678 loadmodel->brush.data_leafs[i].portals = NULL;
2679 // process all portals in the global portal chain, while freeing them
2680 portal = loadmodel->brush.data_portals;
2681 point = loadmodel->brush.data_portalpoints;
2688 if (p->numpoints >= 3 && p->nodes[0] != p->nodes[1])
2690 // note: this check must match the one above or it will usually corrupt memory
2691 // 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
2692 if (((mleaf_t *)p->nodes[0])->clusterindex >= 0 && ((mleaf_t *)p->nodes[1])->clusterindex >= 0)
2694 // first make the back to front portal(forward portal)
2695 portal->points = point;
2696 portal->numpoints = p->numpoints;
2697 portal->plane.dist = p->plane.dist;
2698 VectorCopy(p->plane.normal, portal->plane.normal);
2699 portal->here = (mleaf_t *)p->nodes[1];
2700 portal->past = (mleaf_t *)p->nodes[0];
2702 for (j = 0;j < portal->numpoints;j++)
2704 VectorCopy(p->points + j*3, point->position);
2707 BoxFromPoints(portal->mins, portal->maxs, portal->numpoints, portal->points->position);
2708 PlaneClassify(&portal->plane);
2710 // link into leaf's portal chain
2711 portal->next = portal->here->portals;
2712 portal->here->portals = portal;
2714 // advance to next portal
2717 // then make the front to back portal(backward portal)
2718 portal->points = point;
2719 portal->numpoints = p->numpoints;
2720 portal->plane.dist = -p->plane.dist;
2721 VectorNegate(p->plane.normal, portal->plane.normal);
2722 portal->here = (mleaf_t *)p->nodes[0];
2723 portal->past = (mleaf_t *)p->nodes[1];
2725 for (j = portal->numpoints - 1;j >= 0;j--)
2727 VectorCopy(p->points + j*3, point->position);
2730 BoxFromPoints(portal->mins, portal->maxs, portal->numpoints, portal->points->position);
2731 PlaneClassify(&portal->plane);
2733 // link into leaf's portal chain
2734 portal->next = portal->here->portals;
2735 portal->here->portals = portal;
2737 // advance to next portal
2740 // add the portal's polygon points to the leaf bounding boxes
2741 for (i = 0;i < 2;i++)
2743 leaf = (mleaf_t *)p->nodes[i];
2744 for (j = 0;j < p->numpoints;j++)
2746 if (leaf->mins[0] > p->points[j*3+0]) leaf->mins[0] = p->points[j*3+0];
2747 if (leaf->mins[1] > p->points[j*3+1]) leaf->mins[1] = p->points[j*3+1];
2748 if (leaf->mins[2] > p->points[j*3+2]) leaf->mins[2] = p->points[j*3+2];
2749 if (leaf->maxs[0] < p->points[j*3+0]) leaf->maxs[0] = p->points[j*3+0];
2750 if (leaf->maxs[1] < p->points[j*3+1]) leaf->maxs[1] = p->points[j*3+1];
2751 if (leaf->maxs[2] < p->points[j*3+2]) leaf->maxs[2] = p->points[j*3+2];
2758 // now recalculate the node bounding boxes from the leafs
2759 Mod_Q1BSP_RecursiveRecalcNodeBBox(loadmodel->brush.data_nodes);
2767 static void AddPortalToNodes(portal_t *p, mnode_t *front, mnode_t *back)
2770 Host_Error("AddPortalToNodes: NULL front node");
2772 Host_Error("AddPortalToNodes: NULL back node");
2773 if (p->nodes[0] || p->nodes[1])
2774 Host_Error("AddPortalToNodes: already included");
2775 // 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
2777 p->nodes[0] = front;
2778 p->next[0] = (portal_t *)front->portals;
2779 front->portals = (mportal_t *)p;
2782 p->next[1] = (portal_t *)back->portals;
2783 back->portals = (mportal_t *)p;
2788 RemovePortalFromNode
2791 static void RemovePortalFromNodes(portal_t *portal)
2795 void **portalpointer;
2797 for (i = 0;i < 2;i++)
2799 node = portal->nodes[i];
2801 portalpointer = (void **) &node->portals;
2804 t = (portal_t *)*portalpointer;
2806 Host_Error("RemovePortalFromNodes: portal not in leaf");
2810 if (portal->nodes[0] == node)
2812 *portalpointer = portal->next[0];
2813 portal->nodes[0] = NULL;
2815 else if (portal->nodes[1] == node)
2817 *portalpointer = portal->next[1];
2818 portal->nodes[1] = NULL;
2821 Host_Error("RemovePortalFromNodes: portal not bounding leaf");
2825 if (t->nodes[0] == node)
2826 portalpointer = (void **) &t->next[0];
2827 else if (t->nodes[1] == node)
2828 portalpointer = (void **) &t->next[1];
2830 Host_Error("RemovePortalFromNodes: portal not bounding leaf");
2835 static void Mod_Q1BSP_RecursiveNodePortals(mnode_t *node)
2838 mnode_t *front, *back, *other_node;
2839 mplane_t clipplane, *plane;
2840 portal_t *portal, *nextportal, *nodeportal, *splitportal, *temp;
2841 int numfrontpoints, numbackpoints;
2842 double frontpoints[3*MAX_PORTALPOINTS], backpoints[3*MAX_PORTALPOINTS];
2844 // if a leaf, we're done
2848 plane = node->plane;
2850 front = node->children[0];
2851 back = node->children[1];
2853 Host_Error("Mod_Q1BSP_RecursiveNodePortals: corrupt node hierarchy");
2855 // create the new portal by generating a polygon for the node plane,
2856 // and clipping it by all of the other portals(which came from nodes above this one)
2857 nodeportal = AllocPortal();
2858 nodeportal->plane = *plane;
2860 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);
2861 nodeportal->numpoints = 4;
2862 side = 0; // shut up compiler warning
2863 for (portal = (portal_t *)node->portals;portal;portal = portal->next[side])
2865 clipplane = portal->plane;
2866 if (portal->nodes[0] == portal->nodes[1])
2867 Host_Error("Mod_Q1BSP_RecursiveNodePortals: portal has same node on both sides(1)");
2868 if (portal->nodes[0] == node)
2870 else if (portal->nodes[1] == node)
2872 clipplane.dist = -clipplane.dist;
2873 VectorNegate(clipplane.normal, clipplane.normal);
2877 Host_Error("Mod_Q1BSP_RecursiveNodePortals: mislinked portal");
2879 for (i = 0;i < nodeportal->numpoints*3;i++)
2880 frontpoints[i] = nodeportal->points[i];
2881 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);
2882 if (nodeportal->numpoints <= 0 || nodeportal->numpoints >= MAX_PORTALPOINTS)
2886 if (nodeportal->numpoints < 3)
2888 Con_Print("Mod_Q1BSP_RecursiveNodePortals: WARNING: new portal was clipped away\n");
2889 nodeportal->numpoints = 0;
2891 else if (nodeportal->numpoints >= MAX_PORTALPOINTS)
2893 Con_Print("Mod_Q1BSP_RecursiveNodePortals: WARNING: new portal has too many points\n");
2894 nodeportal->numpoints = 0;
2897 AddPortalToNodes(nodeportal, front, back);
2899 // split the portals of this node along this node's plane and assign them to the children of this node
2900 // (migrating the portals downward through the tree)
2901 for (portal = (portal_t *)node->portals;portal;portal = nextportal)
2903 if (portal->nodes[0] == portal->nodes[1])
2904 Host_Error("Mod_Q1BSP_RecursiveNodePortals: portal has same node on both sides(2)");
2905 if (portal->nodes[0] == node)
2907 else if (portal->nodes[1] == node)
2910 Host_Error("Mod_Q1BSP_RecursiveNodePortals: mislinked portal");
2911 nextportal = portal->next[side];
2912 if (!portal->numpoints)
2915 other_node = portal->nodes[!side];
2916 RemovePortalFromNodes(portal);
2918 // cut the portal into two portals, one on each side of the node plane
2919 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);
2921 if (!numfrontpoints)
2924 AddPortalToNodes(portal, back, other_node);
2926 AddPortalToNodes(portal, other_node, back);
2932 AddPortalToNodes(portal, front, other_node);
2934 AddPortalToNodes(portal, other_node, front);
2938 // the portal is split
2939 splitportal = AllocPortal();
2940 temp = splitportal->chain;
2941 *splitportal = *portal;
2942 splitportal->chain = temp;
2943 for (i = 0;i < numbackpoints*3;i++)
2944 splitportal->points[i] = backpoints[i];
2945 splitportal->numpoints = numbackpoints;
2946 for (i = 0;i < numfrontpoints*3;i++)
2947 portal->points[i] = frontpoints[i];
2948 portal->numpoints = numfrontpoints;
2952 AddPortalToNodes(portal, front, other_node);
2953 AddPortalToNodes(splitportal, back, other_node);
2957 AddPortalToNodes(portal, other_node, front);
2958 AddPortalToNodes(splitportal, other_node, back);
2962 Mod_Q1BSP_RecursiveNodePortals(front);
2963 Mod_Q1BSP_RecursiveNodePortals(back);
2966 static void Mod_Q1BSP_MakePortals(void)
2969 Mod_Q1BSP_RecursiveNodePortals(loadmodel->brush.data_nodes);
2970 Mod_Q1BSP_FinalizePortals();
2973 static void Mod_Q1BSP_BuildLightmapUpdateChains(mempool_t *mempool, model_t *model)
2975 int i, j, stylecounts[256], totalcount, remapstyles[256];
2976 msurface_t *surface;
2977 memset(stylecounts, 0, sizeof(stylecounts));
2978 for (i = 0;i < model->nummodelsurfaces;i++)
2980 surface = model->data_surfaces + model->firstmodelsurface + i;
2981 for (j = 0;j < MAXLIGHTMAPS;j++)
2982 stylecounts[surface->lightmapinfo->styles[j]]++;
2985 model->brushq1.light_styles = 0;
2986 for (i = 0;i < 255;i++)
2990 remapstyles[i] = model->brushq1.light_styles++;
2991 totalcount += stylecounts[i] + 1;
2996 model->brushq1.light_style = (unsigned char *)Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(unsigned char));
2997 model->brushq1.light_stylevalue = (int *)Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(int));
2998 model->brushq1.light_styleupdatechains = (msurface_t ***)Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(msurface_t **));
2999 model->brushq1.light_styleupdatechainsbuffer = (msurface_t **)Mem_Alloc(mempool, totalcount * sizeof(msurface_t *));
3000 model->brushq1.light_styles = 0;
3001 for (i = 0;i < 255;i++)
3003 model->brushq1.light_style[model->brushq1.light_styles++] = i;
3005 for (i = 0;i < model->brushq1.light_styles;i++)
3007 model->brushq1.light_styleupdatechains[i] = model->brushq1.light_styleupdatechainsbuffer + j;
3008 j += stylecounts[model->brushq1.light_style[i]] + 1;
3010 for (i = 0;i < model->nummodelsurfaces;i++)
3012 surface = model->data_surfaces + model->firstmodelsurface + i;
3013 for (j = 0;j < MAXLIGHTMAPS;j++)
3014 if (surface->lightmapinfo->styles[j] != 255)
3015 *model->brushq1.light_styleupdatechains[remapstyles[surface->lightmapinfo->styles[j]]]++ = surface;
3018 for (i = 0;i < model->brushq1.light_styles;i++)
3020 *model->brushq1.light_styleupdatechains[i] = NULL;
3021 model->brushq1.light_styleupdatechains[i] = model->brushq1.light_styleupdatechainsbuffer + j;
3022 j += stylecounts[model->brushq1.light_style[i]] + 1;
3026 //Returns PVS data for a given point
3027 //(note: can return NULL)
3028 static unsigned char *Mod_Q1BSP_GetPVS(model_t *model, const vec3_t p)
3031 node = model->brush.data_nodes;
3033 node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct(p,node->plane->normal)) < node->plane->dist];
3034 if (((mleaf_t *)node)->clusterindex >= 0)
3035 return model->brush.data_pvsclusters + ((mleaf_t *)node)->clusterindex * model->brush.num_pvsclusterbytes;
3040 static void Mod_Q1BSP_FatPVS_RecursiveBSPNode(model_t *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbytes, mnode_t *node)
3044 float d = PlaneDiff(org, node->plane);
3046 node = node->children[0];
3047 else if (d < -radius)
3048 node = node->children[1];
3051 // go down both sides
3052 Mod_Q1BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, pvsbytes, node->children[0]);
3053 node = node->children[1];
3056 // if this leaf is in a cluster, accumulate the pvs bits
3057 if (((mleaf_t *)node)->clusterindex >= 0)
3060 unsigned char *pvs = model->brush.data_pvsclusters + ((mleaf_t *)node)->clusterindex * model->brush.num_pvsclusterbytes;
3061 for (i = 0;i < pvsbytes;i++)
3062 pvsbuffer[i] |= pvs[i];
3066 //Calculates a PVS that is the inclusive or of all leafs within radius pixels
3067 //of the given point.
3068 static int Mod_Q1BSP_FatPVS(model_t *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength)
3070 int bytes = model->brush.num_pvsclusterbytes;
3071 bytes = min(bytes, pvsbufferlength);
3072 if (r_novis.integer || !model->brush.num_pvsclusters || !Mod_Q1BSP_GetPVS(model, org))
3074 memset(pvsbuffer, 0xFF, bytes);
3077 memset(pvsbuffer, 0, bytes);
3078 Mod_Q1BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, bytes, model->brush.data_nodes);
3082 static void Mod_Q1BSP_RoundUpToHullSize(model_t *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs)
3087 VectorSubtract(inmaxs, inmins, size);
3088 if (cmodel->brush.ismcbsp)
3091 hull = &cmodel->brushq1.hulls[0]; // 0x0x0
3092 else if (size[2] < 48) // pick the nearest of 40 or 56
3093 hull = &cmodel->brushq1.hulls[2]; // 16x16x40
3095 hull = &cmodel->brushq1.hulls[1]; // 16x16x56
3097 else if (cmodel->brush.ishlbsp)
3100 hull = &cmodel->brushq1.hulls[0]; // 0x0x0
3101 else if (size[0] <= 32)
3103 if (size[2] < 54) // pick the nearest of 36 or 72
3104 hull = &cmodel->brushq1.hulls[3]; // 32x32x36
3106 hull = &cmodel->brushq1.hulls[1]; // 32x32x72
3109 hull = &cmodel->brushq1.hulls[2]; // 64x64x64
3114 hull = &cmodel->brushq1.hulls[0]; // 0x0x0
3115 else if (size[0] <= 32)
3116 hull = &cmodel->brushq1.hulls[1]; // 32x32x56
3118 hull = &cmodel->brushq1.hulls[2]; // 64x64x88
3120 VectorCopy(inmins, outmins);
3121 VectorAdd(inmins, hull->clip_size, outmaxs);
3124 void Mod_Q1BSP_Load(model_t *mod, void *buffer, void *bufferend)
3129 mempool_t *mainmempool;
3130 float dist, modelyawradius, modelradius, *vec;
3131 msurface_t *surface;
3132 int numshadowmeshtriangles;
3134 hullinfo_t hullinfo;
3136 mod->type = mod_brushq1;
3138 if (!memcmp (buffer, "MCBSPpad", 8))
3140 unsigned char *index;
3142 mod->brush.ismcbsp = true;
3143 mod->brush.ishlbsp = false;
3145 mod_base = (unsigned char*)buffer;
3149 i = SB_ReadInt (&index);
3150 if (i != MCBSPVERSION)
3151 Host_Error("Mod_Q1BSP_Load: %s has wrong version number(%i should be %i)", mod->name, i, MCBSPVERSION);
3154 hullinfo.numhulls = LittleLong(*(int*)index); index += 4;
3155 hullinfo.filehulls = hullinfo.numhulls;
3156 VectorClear (hullinfo.hullsizes[0][0]);
3157 VectorClear (hullinfo.hullsizes[0][1]);
3158 for (i = 1; i < hullinfo.numhulls; i++)
3160 hullinfo.hullsizes[i][0][0] = SB_ReadFloat (&index);
3161 hullinfo.hullsizes[i][0][1] = SB_ReadFloat (&index);
3162 hullinfo.hullsizes[i][0][2] = SB_ReadFloat (&index);
3163 hullinfo.hullsizes[i][1][0] = SB_ReadFloat (&index);
3164 hullinfo.hullsizes[i][1][1] = SB_ReadFloat (&index);
3165 hullinfo.hullsizes[i][1][2] = SB_ReadFloat (&index);
3169 _header.version = 0;
3170 for (i = 0; i < HEADER_LUMPS; i++)
3172 _header.lumps[i].fileofs = SB_ReadInt (&index);
3173 _header.lumps[i].filelen = SB_ReadInt (&index);
3180 header = (dheader_t *)buffer;
3182 i = LittleLong(header->version);
3183 if (i != BSPVERSION && i != 30)
3184 Host_Error("Mod_Q1BSP_Load: %s has wrong version number(%i should be %i(Quake) or 30(HalfLife)", mod->name, i, BSPVERSION);
3185 mod->brush.ishlbsp = i == 30;
3186 mod->brush.ismcbsp = false;
3188 // fill in hull info
3189 VectorClear (hullinfo.hullsizes[0][0]);
3190 VectorClear (hullinfo.hullsizes[0][1]);
3191 if (mod->brush.ishlbsp)
3193 hullinfo.numhulls = 4;
3194 hullinfo.filehulls = 4;
3195 VectorSet (hullinfo.hullsizes[1][0], -16, -16, -36);
3196 VectorSet (hullinfo.hullsizes[1][1], 16, 16, 36);
3197 VectorSet (hullinfo.hullsizes[2][0], -32, -32, -32);
3198 VectorSet (hullinfo.hullsizes[2][1], 32, 32, 32);
3199 VectorSet (hullinfo.hullsizes[3][0], -16, -16, -18);
3200 VectorSet (hullinfo.hullsizes[3][1], 16, 16, 18);
3204 hullinfo.numhulls = 3;
3205 hullinfo.filehulls = 4;
3206 VectorSet (hullinfo.hullsizes[1][0], -16, -16, -24);
3207 VectorSet (hullinfo.hullsizes[1][1], 16, 16, 32);
3208 VectorSet (hullinfo.hullsizes[2][0], -32, -32, -24);
3209 VectorSet (hullinfo.hullsizes[2][1], 32, 32, 64);
3213 mod_base = (unsigned char*)buffer;
3214 for (i = 0; i < HEADER_LUMPS; i++)
3216 header->lumps[i].fileofs = LittleLong(header->lumps[i].fileofs);
3217 header->lumps[i].filelen = LittleLong(header->lumps[i].filelen);
3221 mod->soundfromcenter = true;
3222 mod->TraceBox = Mod_Q1BSP_TraceBox;
3223 mod->brush.SuperContentsFromNativeContents = Mod_Q1BSP_SuperContentsFromNativeContents;
3224 mod->brush.NativeContentsFromSuperContents = Mod_Q1BSP_NativeContentsFromSuperContents;
3225 mod->brush.GetPVS = Mod_Q1BSP_GetPVS;
3226 mod->brush.FatPVS = Mod_Q1BSP_FatPVS;
3227 mod->brush.BoxTouchingPVS = Mod_Q1BSP_BoxTouchingPVS;
3228 mod->brush.BoxTouchingLeafPVS = Mod_Q1BSP_BoxTouchingLeafPVS;
3229 mod->brush.BoxTouchingVisibleLeafs = Mod_Q1BSP_BoxTouchingVisibleLeafs;
3230 mod->brush.FindBoxClusters = Mod_Q1BSP_FindBoxClusters;
3231 mod->brush.LightPoint = Mod_Q1BSP_LightPoint;
3232 mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
3233 mod->brush.AmbientSoundLevelsForPoint = Mod_Q1BSP_AmbientSoundLevelsForPoint;
3234 mod->brush.RoundUpToHullSize = Mod_Q1BSP_RoundUpToHullSize;
3235 mod->brush.PointInLeaf = Mod_Q1BSP_PointInLeaf;
3237 if (loadmodel->isworldmodel)
3239 Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
3240 Cvar_SetValue("mcbsp", mod->brush.ismcbsp);
3245 // store which lightmap format to use
3246 mod->brushq1.lightmaprgba = r_lightmaprgba.integer;
3248 mod->brush.qw_md4sum = 0;
3249 mod->brush.qw_md4sum2 = 0;
3250 for (i = 0;i < HEADER_LUMPS;i++)
3252 if (i == LUMP_ENTITIES)
3254 mod->brush.qw_md4sum ^= LittleLong(Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen));
3255 if (i == LUMP_VISIBILITY || i == LUMP_LEAFS || i == LUMP_NODES)
3257 mod->brush.qw_md4sum2 ^= LittleLong(Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen));
3260 Mod_Q1BSP_LoadEntities(&header->lumps[LUMP_ENTITIES]);
3261 Mod_Q1BSP_LoadVertexes(&header->lumps[LUMP_VERTEXES]);
3262 Mod_Q1BSP_LoadEdges(&header->lumps[LUMP_EDGES]);
3263 Mod_Q1BSP_LoadSurfedges(&header->lumps[LUMP_SURFEDGES]);
3264 Mod_Q1BSP_LoadTextures(&header->lumps[LUMP_TEXTURES]);
3265 Mod_Q1BSP_LoadLighting(&header->lumps[LUMP_LIGHTING]);
3266 Mod_Q1BSP_LoadPlanes(&header->lumps[LUMP_PLANES]);
3267 Mod_Q1BSP_LoadTexinfo(&header->lumps[LUMP_TEXINFO]);
3268 Mod_Q1BSP_LoadFaces(&header->lumps[LUMP_FACES]);
3269 Mod_Q1BSP_LoadLeaffaces(&header->lumps[LUMP_MARKSURFACES]);
3270 Mod_Q1BSP_LoadVisibility(&header->lumps[LUMP_VISIBILITY]);
3271 // load submodels before leafs because they contain the number of vis leafs
3272 Mod_Q1BSP_LoadSubmodels(&header->lumps[LUMP_MODELS], &hullinfo);
3273 Mod_Q1BSP_LoadLeafs(&header->lumps[LUMP_LEAFS]);
3274 Mod_Q1BSP_LoadNodes(&header->lumps[LUMP_NODES]);
3275 Mod_Q1BSP_LoadClipnodes(&header->lumps[LUMP_CLIPNODES], &hullinfo);
3277 if (!mod->brushq1.lightdata)
3278 mod->brush.LightPoint = NULL;
3280 if (mod->brushq1.data_compressedpvs)
3281 Mem_Free(mod->brushq1.data_compressedpvs);
3282 mod->brushq1.data_compressedpvs = NULL;
3283 mod->brushq1.num_compressedpvs = 0;
3285 Mod_Q1BSP_MakeHull0();
3286 Mod_Q1BSP_MakePortals();
3288 mod->numframes = 2; // regular and alternate animation
3291 mainmempool = mod->mempool;
3293 // make a single combined shadow mesh to allow optimized shadow volume creation
3294 numshadowmeshtriangles = 0;
3295 for (j = 0, surface = loadmodel->data_surfaces;j < loadmodel->num_surfaces;j++, surface++)
3297 surface->num_firstshadowmeshtriangle = numshadowmeshtriangles;
3298 numshadowmeshtriangles += surface->num_triangles;
3300 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Begin(loadmodel->mempool, numshadowmeshtriangles * 3, numshadowmeshtriangles, NULL, NULL, NULL, false, false, true);
3301 for (j = 0, surface = loadmodel->data_surfaces;j < loadmodel->num_surfaces;j++, surface++)
3302 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));
3303 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Finish(loadmodel->mempool, loadmodel->brush.shadowmesh, false, true);
3304 Mod_BuildTriangleNeighbors(loadmodel->brush.shadowmesh->neighbor3i, loadmodel->brush.shadowmesh->element3i, loadmodel->brush.shadowmesh->numtriangles);
3306 if (loadmodel->brush.numsubmodels)
3307 loadmodel->brush.submodels = (model_t **)Mem_Alloc(loadmodel->mempool, loadmodel->brush.numsubmodels * sizeof(model_t *));
3309 if (loadmodel->isworldmodel)
3311 // clear out any stale submodels or worldmodels lying around
3312 // if we did this clear before now, an error might abort loading and
3313 // leave things in a bad state
3314 Mod_RemoveStaleWorldModels(loadmodel);
3317 // LordHavoc: to clear the fog around the original quake submodel code, I
3319 // first of all, some background info on the submodels:
3320 // model 0 is the map model (the world, named maps/e1m1.bsp for example)
3321 // model 1 and higher are submodels (doors and the like, named *1, *2, etc)
3322 // now the weird for loop itself:
3323 // the loop functions in an odd way, on each iteration it sets up the
3324 // current 'mod' model (which despite the confusing code IS the model of
3325 // the number i), at the end of the loop it duplicates the model to become
3326 // the next submodel, and loops back to set up the new submodel.
3328 // LordHavoc: now the explanation of my sane way (which works identically):
3329 // set up the world model, then on each submodel copy from the world model
3330 // and set up the submodel with the respective model info.
3331 for (i = 0;i < mod->brush.numsubmodels;i++)
3333 // LordHavoc: this code was originally at the end of this loop, but
3334 // has been transformed to something more readable at the start here.
3339 // LordHavoc: only register submodels if it is the world
3340 // (prevents external bsp models from replacing world submodels with
3342 if (!loadmodel->isworldmodel)
3344 // duplicate the basic information
3345 sprintf(name, "*%i", i);
3346 mod = Mod_FindName(name);
3347 // copy the base model to this one
3349 // rename the clone back to its proper name
3350 strcpy(mod->name, name);
3351 // textures and memory belong to the main model
3352 mod->texturepool = NULL;
3353 mod->mempool = NULL;
3356 mod->brush.submodel = i;
3358 if (loadmodel->brush.submodels)
3359 loadmodel->brush.submodels[i] = mod;
3361 bm = &mod->brushq1.submodels[i];
3363 mod->brushq1.hulls[0].firstclipnode = bm->headnode[0];
3364 for (j=1 ; j<MAX_MAP_HULLS ; j++)
3366 mod->brushq1.hulls[j].firstclipnode = bm->headnode[j];
3367 mod->brushq1.hulls[j].lastclipnode = mod->brushq1.numclipnodes - 1;
3370 mod->firstmodelsurface = bm->firstface;
3371 mod->nummodelsurfaces = bm->numfaces;
3373 // make the model surface list (used by shadowing/lighting)
3374 mod->surfacelist = (int *)Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->surfacelist));
3375 for (j = 0;j < mod->nummodelsurfaces;j++)
3376 mod->surfacelist[j] = mod->firstmodelsurface + j;
3378 // this gets altered below if sky is used
3379 mod->DrawSky = NULL;
3380 mod->Draw = R_Q1BSP_Draw;
3381 mod->GetLightInfo = R_Q1BSP_GetLightInfo;
3382 mod->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
3383 mod->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
3384 mod->DrawLight = R_Q1BSP_DrawLight;
3387 mod->brush.GetPVS = NULL;
3388 mod->brush.FatPVS = NULL;
3389 mod->brush.BoxTouchingPVS = NULL;
3390 mod->brush.BoxTouchingLeafPVS = NULL;
3391 mod->brush.BoxTouchingVisibleLeafs = NULL;
3392 mod->brush.FindBoxClusters = NULL;
3393 mod->brush.LightPoint = NULL;
3394 mod->brush.AmbientSoundLevelsForPoint = NULL;
3396 Mod_Q1BSP_BuildLightmapUpdateChains(loadmodel->mempool, mod);
3397 if (mod->nummodelsurfaces)
3399 // LordHavoc: calculate bmodel bounding box rather than trusting what it says
3400 mod->normalmins[0] = mod->normalmins[1] = mod->normalmins[2] = 1000000000.0f;
3401 mod->normalmaxs[0] = mod->normalmaxs[1] = mod->normalmaxs[2] = -1000000000.0f;
3404 for (j = 0, surface = &mod->data_surfaces[mod->firstmodelsurface];j < mod->nummodelsurfaces;j++, surface++)
3406 // we only need to have a drawsky function if it is used(usually only on world model)
3407 if (surface->texture->basematerialflags & MATERIALFLAG_SKY)
3408 mod->DrawSky = R_Q1BSP_DrawSky;
3409 // calculate bounding shapes
3410 for (k = 0, vec = (loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex);k < surface->num_vertices;k++, vec += 3)
3412 if (mod->normalmins[0] > vec[0]) mod->normalmins[0] = vec[0];
3413 if (mod->normalmins[1] > vec[1]) mod->normalmins[1] = vec[1];
3414 if (mod->normalmins[2] > vec[2]) mod->normalmins[2] = vec[2];
3415 if (mod->normalmaxs[0] < vec[0]) mod->normalmaxs[0] = vec[0];
3416 if (mod->normalmaxs[1] < vec[1]) mod->normalmaxs[1] = vec[1];
3417 if (mod->normalmaxs[2] < vec[2]) mod->normalmaxs[2] = vec[2];
3418 dist = vec[0]*vec[0]+vec[1]*vec[1];
3419 if (modelyawradius < dist)
3420 modelyawradius = dist;
3421 dist += vec[2]*vec[2];
3422 if (modelradius < dist)
3426 modelyawradius = sqrt(modelyawradius);
3427 modelradius = sqrt(modelradius);
3428 mod->yawmins[0] = mod->yawmins[1] = - (mod->yawmaxs[0] = mod->yawmaxs[1] = modelyawradius);
3429 mod->yawmins[2] = mod->normalmins[2];
3430 mod->yawmaxs[2] = mod->normalmaxs[2];
3431 mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius;
3432 mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
3433 mod->radius = modelradius;
3434 mod->radius2 = modelradius * modelradius;
3438 // LordHavoc: empty submodel(lacrima.bsp has such a glitch)
3439 Con_Printf("warning: empty submodel *%i in %s\n", i+1, loadmodel->name);
3441 //mod->brushq1.num_visleafs = bm->visleafs;
3444 Mod_Q1BSP_LoadMapBrushes();
3446 //Mod_Q1BSP_ProcessLightList();
3448 if (developer.integer >= 10)
3449 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);
3452 static void Mod_Q2BSP_LoadEntities(lump_t *l)
3456 static void Mod_Q2BSP_LoadPlanes(lump_t *l)
3463 in = (void *)(mod_base + l->fileofs);
3464 if (l->filelen % sizeof(*in))
3465 Host_Error("Mod_Q2BSP_LoadPlanes: funny lump size in %s",loadmodel->name);
3466 count = l->filelen / sizeof(*in);
3467 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3470 loadmodel->num = count;
3472 for (i = 0;i < count;i++, in++, out++)
3478 static void Mod_Q2BSP_LoadVertices(lump_t *l)
3485 in = (void *)(mod_base + l->fileofs);
3486 if (l->filelen % sizeof(*in))
3487 Host_Error("Mod_Q2BSP_LoadVertices: funny lump size in %s",loadmodel->name);
3488 count = l->filelen / sizeof(*in);
3489 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3492 loadmodel->num = count;
3494 for (i = 0;i < count;i++, in++, out++)
3500 static void Mod_Q2BSP_LoadVisibility(lump_t *l)
3507 in = (void *)(mod_base + l->fileofs);
3508 if (l->filelen % sizeof(*in))
3509 Host_Error("Mod_Q2BSP_LoadVisibility: funny lump size in %s",loadmodel->name);
3510 count = l->filelen / sizeof(*in);
3511 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3514 loadmodel->num = count;
3516 for (i = 0;i < count;i++, in++, out++)
3522 static void Mod_Q2BSP_LoadNodes(lump_t *l)
3529 in = (void *)(mod_base + l->fileofs);
3530 if (l->filelen % sizeof(*in))
3531 Host_Error("Mod_Q2BSP_LoadNodes: funny lump size in %s",loadmodel->name);
3532 count = l->filelen / sizeof(*in);
3533 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3536 loadmodel->num = count;
3538 for (i = 0;i < count;i++, in++, out++)
3544 static void Mod_Q2BSP_LoadTexInfo(lump_t *l)
3551 in = (void *)(mod_base + l->fileofs);
3552 if (l->filelen % sizeof(*in))
3553 Host_Error("Mod_Q2BSP_LoadTexInfo: funny lump size in %s",loadmodel->name);
3554 count = l->filelen / sizeof(*in);
3555 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3558 loadmodel->num = count;
3560 for (i = 0;i < count;i++, in++, out++)
3566 static void Mod_Q2BSP_LoadFaces(lump_t *l)
3573 in = (void *)(mod_base + l->fileofs);
3574 if (l->filelen % sizeof(*in))
3575 Host_Error("Mod_Q2BSP_LoadFaces: funny lump size in %s",loadmodel->name);
3576 count = l->filelen / sizeof(*in);
3577 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3580 loadmodel->num = count;
3582 for (i = 0;i < count;i++, in++, out++)
3588 static void Mod_Q2BSP_LoadLighting(lump_t *l)
3595 in = (void *)(mod_base + l->fileofs);
3596 if (l->filelen % sizeof(*in))
3597 Host_Error("Mod_Q2BSP_LoadLighting: funny lump size in %s",loadmodel->name);
3598 count = l->filelen / sizeof(*in);
3599 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3602 loadmodel->num = count;
3604 for (i = 0;i < count;i++, in++, out++)
3610 static void Mod_Q2BSP_LoadLeafs(lump_t *l)
3617 in = (void *)(mod_base + l->fileofs);
3618 if (l->filelen % sizeof(*in))
3619 Host_Error("Mod_Q2BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
3620 count = l->filelen / sizeof(*in);
3621 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3624 loadmodel->num = count;
3626 for (i = 0;i < count;i++, in++, out++)
3632 static void Mod_Q2BSP_LoadLeafFaces(lump_t *l)
3639 in = (void *)(mod_base + l->fileofs);
3640 if (l->filelen % sizeof(*in))
3641 Host_Error("Mod_Q2BSP_LoadLeafFaces: funny lump size in %s",loadmodel->name);
3642 count = l->filelen / sizeof(*in);
3643 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3646 loadmodel->num = count;
3648 for (i = 0;i < count;i++, in++, out++)
3654 static void Mod_Q2BSP_LoadLeafBrushes(lump_t *l)
3661 in = (void *)(mod_base + l->fileofs);
3662 if (l->filelen % sizeof(*in))
3663 Host_Error("Mod_Q2BSP_LoadLeafBrushes: funny lump size in %s",loadmodel->name);
3664 count = l->filelen / sizeof(*in);
3665 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3668 loadmodel->num = count;
3670 for (i = 0;i < count;i++, in++, out++)
3676 static void Mod_Q2BSP_LoadEdges(lump_t *l)
3683 in = (void *)(mod_base + l->fileofs);
3684 if (l->filelen % sizeof(*in))
3685 Host_Error("Mod_Q2BSP_LoadEdges: funny lump size in %s",loadmodel->name);
3686 count = l->filelen / sizeof(*in);
3687 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3690 loadmodel->num = count;
3692 for (i = 0;i < count;i++, in++, out++)
3698 static void Mod_Q2BSP_LoadSurfEdges(lump_t *l)
3705 in = (void *)(mod_base + l->fileofs);
3706 if (l->filelen % sizeof(*in))
3707 Host_Error("Mod_Q2BSP_LoadSurfEdges: funny lump size in %s",loadmodel->name);
3708 count = l->filelen / sizeof(*in);
3709 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3712 loadmodel->num = count;
3714 for (i = 0;i < count;i++, in++, out++)
3720 static void Mod_Q2BSP_LoadBrushes(lump_t *l)
3727 in = (void *)(mod_base + l->fileofs);
3728 if (l->filelen % sizeof(*in))
3729 Host_Error("Mod_Q2BSP_LoadBrushes: funny lump size in %s",loadmodel->name);
3730 count = l->filelen / sizeof(*in);
3731 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3734 loadmodel->num = count;
3736 for (i = 0;i < count;i++, in++, out++)
3742 static void Mod_Q2BSP_LoadBrushSides(lump_t *l)
3749 in = (void *)(mod_base + l->fileofs);
3750 if (l->filelen % sizeof(*in))
3751 Host_Error("Mod_Q2BSP_LoadBrushSides: funny lump size in %s",loadmodel->name);
3752 count = l->filelen / sizeof(*in);
3753 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3756 loadmodel->num = count;
3758 for (i = 0;i < count;i++, in++, out++)
3764 static void Mod_Q2BSP_LoadAreas(lump_t *l)
3771 in = (void *)(mod_base + l->fileofs);
3772 if (l->filelen % sizeof(*in))
3773 Host_Error("Mod_Q2BSP_LoadAreas: funny lump size in %s",loadmodel->name);
3774 count = l->filelen / sizeof(*in);
3775 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3778 loadmodel->num = count;
3780 for (i = 0;i < count;i++, in++, out++)
3786 static void Mod_Q2BSP_LoadAreaPortals(lump_t *l)
3793 in = (void *)(mod_base + l->fileofs);
3794 if (l->filelen % sizeof(*in))
3795 Host_Error("Mod_Q2BSP_LoadAreaPortals: funny lump size in %s",loadmodel->name);
3796 count = l->filelen / sizeof(*in);
3797 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3800 loadmodel->num = count;
3802 for (i = 0;i < count;i++, in++, out++)
3808 static void Mod_Q2BSP_LoadModels(lump_t *l)
3815 in = (void *)(mod_base + l->fileofs);
3816 if (l->filelen % sizeof(*in))
3817 Host_Error("Mod_Q2BSP_LoadModels: funny lump size in %s",loadmodel->name);
3818 count = l->filelen / sizeof(*in);
3819 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3822 loadmodel->num = count;
3824 for (i = 0;i < count;i++, in++, out++)
3830 void static Mod_Q2BSP_Load(model_t *mod, void *buffer, void *bufferend)
3833 q2dheader_t *header;
3835 Host_Error("Mod_Q2BSP_Load: not yet implemented");
3837 mod->type = mod_brushq2;
3839 header = (q2dheader_t *)buffer;
3841 i = LittleLong(header->version);
3842 if (i != Q2BSPVERSION)
3843 Host_Error("Mod_Q2BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q2BSPVERSION);
3844 mod->brush.ishlbsp = false;
3845 mod->brush.ismcbsp = false;
3846 if (loadmodel->isworldmodel)
3848 Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
3849 Cvar_SetValue("mcbsp", mod->brush.ismcbsp);
3852 mod_base = (unsigned char *)header;
3854 // swap all the lumps
3855 for (i = 0;i < (int) sizeof(*header) / 4;i++)
3856 ((int *)header)[i] = LittleLong(((int *)header)[i]);
3858 // store which lightmap format to use
3859 mod->brushq1.lightmaprgba = r_lightmaprgba.integer;
3861 mod->brush.qw_md4sum = 0;
3862 mod->brush.qw_md4sum2 = 0;
3863 for (i = 0;i < Q2HEADER_LUMPS;i++)
3865 if (i == Q2LUMP_ENTITIES)
3867 mod->brush.qw_md4sum ^= Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen);
3868 if (i == Q2LUMP_VISIBILITY || i == Q2LUMP_LEAFS || i == Q2LUMP_NODES)
3870 mod->brush.qw_md4sum2 ^= Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen);
3873 Mod_Q2BSP_LoadEntities(&header->lumps[Q2LUMP_ENTITIES]);
3874 Mod_Q2BSP_LoadPlanes(&header->lumps[Q2LUMP_PLANES]);
3875 Mod_Q2BSP_LoadVertices(&header->lumps[Q2LUMP_VERTEXES]);
3876 Mod_Q2BSP_LoadVisibility(&header->lumps[Q2LUMP_VISIBILITY]);
3877 Mod_Q2BSP_LoadNodes(&header->lumps[Q2LUMP_NODES]);
3878 Mod_Q2BSP_LoadTexInfo(&header->lumps[Q2LUMP_TEXINFO]);
3879 Mod_Q2BSP_LoadFaces(&header->lumps[Q2LUMP_FACES]);
3880 Mod_Q2BSP_LoadLighting(&header->lumps[Q2LUMP_LIGHTING]);
3881 Mod_Q2BSP_LoadLeafs(&header->lumps[Q2LUMP_LEAFS]);
3882 Mod_Q2BSP_LoadLeafFaces(&header->lumps[Q2LUMP_LEAFFACES]);
3883 Mod_Q2BSP_LoadLeafBrushes(&header->lumps[Q2LUMP_LEAFBRUSHES]);
3884 Mod_Q2BSP_LoadEdges(&header->lumps[Q2LUMP_EDGES]);
3885 Mod_Q2BSP_LoadSurfEdges(&header->lumps[Q2LUMP_SURFEDGES]);
3886 Mod_Q2BSP_LoadBrushes(&header->lumps[Q2LUMP_BRUSHES]);
3887 Mod_Q2BSP_LoadBrushSides(&header->lumps[Q2LUMP_BRUSHSIDES]);
3888 Mod_Q2BSP_LoadAreas(&header->lumps[Q2LUMP_AREAS]);
3889 Mod_Q2BSP_LoadAreaPortals(&header->lumps[Q2LUMP_AREAPORTALS]);
3890 // LordHavoc: must go last because this makes the submodels
3891 Mod_Q2BSP_LoadModels(&header->lumps[Q2LUMP_MODELS]);
3894 static int Mod_Q3BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents);
3895 static int Mod_Q3BSP_NativeContentsFromSuperContents(model_t *model, int supercontents);
3897 static void Mod_Q3BSP_LoadEntities(lump_t *l)
3900 char key[128], value[MAX_INPUTLINE];
3902 loadmodel->brushq3.num_lightgrid_cellsize[0] = 64;
3903 loadmodel->brushq3.num_lightgrid_cellsize[1] = 64;
3904 loadmodel->brushq3.num_lightgrid_cellsize[2] = 128;
3907 loadmodel->brush.entities = (char *)Mem_Alloc(loadmodel->mempool, l->filelen);
3908 memcpy(loadmodel->brush.entities, mod_base + l->fileofs, l->filelen);
3909 data = loadmodel->brush.entities;
3910 // some Q3 maps override the lightgrid_cellsize with a worldspawn key
3911 if (data && COM_ParseToken(&data, false) && com_token[0] == '{')
3915 if (!COM_ParseToken(&data, false))
3917 if (com_token[0] == '}')
3918 break; // end of worldspawn
3919 if (com_token[0] == '_')
3920 strcpy(key, com_token + 1);
3922 strcpy(key, com_token);
3923 while (key[strlen(key)-1] == ' ') // remove trailing spaces
3924 key[strlen(key)-1] = 0;
3925 if (!COM_ParseToken(&data, false))
3927 strcpy(value, com_token);
3928 if (!strcmp("gridsize", key))
3930 if (sscanf(value, "%f %f %f", &v[0], &v[1], &v[2]) == 3 && v[0] != 0 && v[1] != 0 && v[2] != 0)
3931 VectorCopy(v, loadmodel->brushq3.num_lightgrid_cellsize);
3937 // FIXME: make MAXSHADERS dynamic
3938 #define Q3SHADER_MAXSHADERS 4096
3939 #define Q3SHADER_MAXLAYERS 8
3941 typedef struct q3shaderinfo_layer_s
3943 char texturename[Q3PATHLENGTH];
3945 qboolean rgbgenvertex;
3946 qboolean alphagenvertex;
3948 q3shaderinfo_layer_t;
3950 typedef struct q3shaderinfo_s
3952 char name[Q3PATHLENGTH];
3957 qboolean vertexalpha;
3958 qboolean textureblendalpha;
3959 q3shaderinfo_layer_t *primarylayer, *backgroundlayer;
3960 q3shaderinfo_layer_t layers[Q3SHADER_MAXLAYERS];
3961 char skyboxname[Q3PATHLENGTH];
3965 int q3shaders_numshaders;
3966 q3shaderinfo_t q3shaders_shaders[Q3SHADER_MAXSHADERS];
3968 static void Mod_Q3BSP_LoadShaders(void)
3975 q3shaderinfo_t *shader;
3976 q3shaderinfo_layer_t *layer;
3978 char parameter[4][Q3PATHLENGTH];
3979 search = FS_Search("scripts/*.shader", true, false);
3982 q3shaders_numshaders = 0;
3983 for (fileindex = 0;fileindex < search->numfilenames;fileindex++)
3985 text = f = (char *)FS_LoadFile(search->filenames[fileindex], tempmempool, false, NULL);
3988 while (COM_ParseToken(&text, false))
3990 if (q3shaders_numshaders >= Q3SHADER_MAXSHADERS)
3992 Con_Printf("Mod_Q3BSP_LoadShaders: too many shaders!\n");
3995 shader = q3shaders_shaders + q3shaders_numshaders++;
3996 memset(shader, 0, sizeof(*shader));
3997 strlcpy(shader->name, com_token, sizeof(shader->name));
3998 if (!COM_ParseToken(&text, false) || strcasecmp(com_token, "{"))
4000 Con_Printf("%s parsing error - expected \"{\", found \"%s\"\n", search->filenames[fileindex], com_token);
4003 while (COM_ParseToken(&text, false))
4005 if (!strcasecmp(com_token, "}"))
4007 if (!strcasecmp(com_token, "{"))
4009 if (shader->numlayers < Q3SHADER_MAXLAYERS)
4011 layer = shader->layers + shader->numlayers++;
4012 layer->rgbgenvertex = false;
4013 layer->alphagenvertex = false;
4014 layer->blendfunc[0] = GL_ONE;
4015 layer->blendfunc[1] = GL_ZERO;
4019 while (COM_ParseToken(&text, false))
4021 if (!strcasecmp(com_token, "}"))
4023 if (!strcasecmp(com_token, "\n"))
4028 for (j = 0;strcasecmp(com_token, "\n") && strcasecmp(com_token, "}");j++)
4032 strlcpy(parameter[j], com_token, sizeof(parameter[j]));
4033 numparameters = j + 1;
4035 if (!COM_ParseToken(&text, true))
4038 if (developer.integer >= 100)
4040 Con_Printf("%s %i: ", shader->name, shader->numlayers - 1);
4041 for (j = 0;j < numparameters;j++)
4042 Con_Printf(" %s", parameter[j]);
4045 if (numparameters >= 2 && !strcasecmp(parameter[0], "blendfunc"))
4047 if (numparameters == 2)
4049 if (!strcasecmp(parameter[1], "add"))
4051 layer->blendfunc[0] = GL_ONE;
4052 layer->blendfunc[1] = GL_ONE;
4054 else if (!strcasecmp(parameter[1], "filter"))
4056 layer->blendfunc[0] = GL_DST_COLOR;
4057 layer->blendfunc[1] = GL_ZERO;
4059 else if (!strcasecmp(parameter[1], "blend"))
4061 layer->blendfunc[0] = GL_SRC_ALPHA;
4062 layer->blendfunc[1] = GL_ONE_MINUS_SRC_ALPHA;
4065 else if (numparameters == 3)
4068 for (k = 0;k < 2;k++)
4070 if (!strcasecmp(parameter[k+1], "GL_ONE"))
4071 layer->blendfunc[k] = GL_ONE;
4072 else if (!strcasecmp(parameter[k+1], "GL_ZERO"))
4073 layer->blendfunc[k] = GL_ZERO;
4074 else if (!strcasecmp(parameter[k+1], "GL_SRC_COLOR"))
4075 layer->blendfunc[k] = GL_SRC_COLOR;
4076 else if (!strcasecmp(parameter[k+1], "GL_SRC_ALPHA"))
4077 layer->blendfunc[k] = GL_SRC_ALPHA;
4078 else if (!strcasecmp(parameter[k+1], "GL_DST_COLOR"))
4079 layer->blendfunc[k] = GL_DST_COLOR;
4080 else if (!strcasecmp(parameter[k+1], "GL_DST_ALPHA"))
4081 layer->blendfunc[k] = GL_ONE_MINUS_DST_ALPHA;
4082 else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_SRC_COLOR"))
4083 layer->blendfunc[k] = GL_ONE_MINUS_SRC_COLOR;
4084 else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_SRC_ALPHA"))
4085 layer->blendfunc[k] = GL_ONE_MINUS_SRC_ALPHA;
4086 else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_DST_COLOR"))
4087 layer->blendfunc[k] = GL_ONE_MINUS_DST_COLOR;
4088 else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_DST_ALPHA"))
4089 layer->blendfunc[k] = GL_ONE_MINUS_DST_ALPHA;
4091 layer->blendfunc[k] = GL_ONE; // default in case of parsing error
4095 if (layer == shader->layers + 0)
4097 if (numparameters >= 2 && !strcasecmp(parameter[0], "alphafunc"))
4098 shader->textureflags |= Q3TEXTUREFLAG_ALPHATEST;
4100 if (numparameters >= 2 && (!strcasecmp(parameter[0], "map") || !strcasecmp(parameter[0], "clampmap")))
4102 strlcpy(layer->texturename, parameter[1], sizeof(layer->texturename));
4103 if (!strcasecmp(parameter[1], "$lightmap"))
4104 shader->lighting = true;
4106 else if (numparameters >= 3 && !strcasecmp(parameter[0], "animmap"))
4107 strlcpy(layer->texturename, parameter[2], sizeof(layer->texturename));
4108 else if (numparameters >= 2 && !strcasecmp(parameter[0], "rgbgen") && !strcasecmp(parameter[1], "vertex"))
4109 layer->rgbgenvertex = true;
4110 else if (numparameters >= 2 && !strcasecmp(parameter[0], "alphagen") && !strcasecmp(parameter[1], "vertex"))
4111 layer->alphagenvertex = true;
4112 // break out a level if it was }
4113 if (!strcasecmp(com_token, "}"))
4116 if (layer->rgbgenvertex)
4117 shader->lighting = true;
4118 if (layer->alphagenvertex)
4120 if (layer == shader->layers + 0)
4122 // vertex controlled transparency
4123 shader->vertexalpha = true;
4127 // multilayer terrain shader or similar
4128 shader->textureblendalpha = true;
4134 for (j = 0;strcasecmp(com_token, "\n") && strcasecmp(com_token, "}");j++)
4138 strlcpy(parameter[j], com_token, sizeof(parameter[j]));
4139 numparameters = j + 1;
4141 if (!COM_ParseToken(&text, true))
4144 if (fileindex == 0 && !strcasecmp(com_token, "}"))
4146 if (developer.integer >= 100)
4148 Con_Printf("%s: ", shader->name);
4149 for (j = 0;j < numparameters;j++)
4150 Con_Printf(" %s", parameter[j]);
4153 if (numparameters < 1)
4155 if (!strcasecmp(parameter[0], "surfaceparm") && numparameters >= 2)
4157 if (!strcasecmp(parameter[1], "alphashadow"))
4158 shader->surfaceparms |= Q3SURFACEPARM_ALPHASHADOW;
4159 else if (!strcasecmp(parameter[1], "areaportal"))
4160 shader->surfaceparms |= Q3SURFACEPARM_AREAPORTAL;
4161 else if (!strcasecmp(parameter[1], "clusterportal"))
4162 shader->surfaceparms |= Q3SURFACEPARM_CLUSTERPORTAL;
4163 else if (!strcasecmp(parameter[1], "detail"))
4164 shader->surfaceparms |= Q3SURFACEPARM_DETAIL;
4165 else if (!strcasecmp(parameter[1], "donotenter"))
4166 shader->surfaceparms |= Q3SURFACEPARM_DONOTENTER;
4167 else if (!strcasecmp(parameter[1], "fog"))
4168 shader->surfaceparms |= Q3SURFACEPARM_FOG;
4169 else if (!strcasecmp(parameter[1], "lava"))
4170 shader->surfaceparms |= Q3SURFACEPARM_LAVA;
4171 else if (!strcasecmp(parameter[1], "lightfilter"))
4172 shader->surfaceparms |= Q3SURFACEPARM_LIGHTFILTER;
4173 else if (!strcasecmp(parameter[1], "metalsteps"))
4174 shader->surfaceparms |= Q3SURFACEPARM_METALSTEPS;
4175 else if (!strcasecmp(parameter[1], "nodamage"))
4176 shader->surfaceparms |= Q3SURFACEPARM_NODAMAGE;
4177 else if (!strcasecmp(parameter[1], "nodlight"))
4178 shader->surfaceparms |= Q3SURFACEPARM_NODLIGHT;
4179 else if (!strcasecmp(parameter[1], "nodraw"))
4180 shader->surfaceparms |= Q3SURFACEPARM_NODRAW;
4181 else if (!strcasecmp(parameter[1], "nodrop"))
4182 shader->surfaceparms |= Q3SURFACEPARM_NODROP;
4183 else if (!strcasecmp(parameter[1], "noimpact"))
4184 shader->surfaceparms |= Q3SURFACEPARM_NOIMPACT;
4185 else if (!strcasecmp(parameter[1], "nolightmap"))
4186 shader->surfaceparms |= Q3SURFACEPARM_NOLIGHTMAP;
4187 else if (!strcasecmp(parameter[1], "nomarks"))
4188 shader->surfaceparms |= Q3SURFACEPARM_NOMARKS;
4189 else if (!strcasecmp(parameter[1], "nomipmaps"))
4190 shader->surfaceparms |= Q3SURFACEPARM_NOMIPMAPS;
4191 else if (!strcasecmp(parameter[1], "nonsolid"))
4192 shader->surfaceparms |= Q3SURFACEPARM_NONSOLID;
4193 else if (!strcasecmp(parameter[1], "origin"))
4194 shader->surfaceparms |= Q3SURFACEPARM_ORIGIN;
4195 else if (!strcasecmp(parameter[1], "playerclip"))
4196 shader->surfaceparms |= Q3SURFACEPARM_PLAYERCLIP;
4197 else if (!strcasecmp(parameter[1], "sky"))
4198 shader->surfaceparms |= Q3SURFACEPARM_SKY;
4199 else if (!strcasecmp(parameter[1], "slick"))
4200 shader->surfaceparms |= Q3SURFACEPARM_SLICK;
4201 else if (!strcasecmp(parameter[1], "slime"))
4202 shader->surfaceparms |= Q3SURFACEPARM_SLIME;
4203 else if (!strcasecmp(parameter[1], "structural"))
4204 shader->surfaceparms |= Q3SURFACEPARM_STRUCTURAL;
4205 else if (!strcasecmp(parameter[1], "trans"))
4206 shader->surfaceparms |= Q3SURFACEPARM_TRANS;
4207 else if (!strcasecmp(parameter[1], "water"))
4208 shader->surfaceparms |= Q3SURFACEPARM_WATER;
4209 else if (!strcasecmp(parameter[1], "pointlight"))
4210 shader->surfaceparms |= Q3SURFACEPARM_POINTLIGHT;
4212 Con_Printf("%s parsing warning: unknown surfaceparm \"%s\"\n", search->filenames[fileindex], parameter[1]);
4214 else if (!strcasecmp(parameter[0], "sky") && numparameters >= 2)
4216 // some q3 skies don't have the sky parm set
4217 shader->surfaceparms |= Q3SURFACEPARM_SKY;
4218 strlcpy(shader->skyboxname, parameter[1], sizeof(shader->skyboxname));
4220 else if (!strcasecmp(parameter[0], "skyparms") && numparameters >= 2)
4222 // some q3 skies don't have the sky parm set
4223 shader->surfaceparms |= Q3SURFACEPARM_SKY;
4224 if (!atoi(parameter[1]) && strcasecmp(parameter[1], "-"))
4225 strlcpy(shader->skyboxname, parameter[1], sizeof(shader->skyboxname));
4227 else if (!strcasecmp(parameter[0], "cull") && numparameters >= 2)
4229 if (!strcasecmp(parameter[1], "disable") || !strcasecmp(parameter[1], "none") || !strcasecmp(parameter[1], "twosided"))
4230 shader->textureflags |= Q3TEXTUREFLAG_TWOSIDED;
4232 else if (!strcasecmp(parameter[0], "nomipmaps"))
4233 shader->surfaceparms |= Q3SURFACEPARM_NOMIPMAPS;
4234 else if (!strcasecmp(parameter[0], "nopicmip"))
4235 shader->textureflags |= Q3TEXTUREFLAG_NOPICMIP;
4236 else if (!strcasecmp(parameter[0], "deformvertexes") && numparameters >= 2)
4238 if (!strcasecmp(parameter[1], "autosprite") && numparameters == 2)
4239 shader->textureflags |= Q3TEXTUREFLAG_AUTOSPRITE;
4240 if (!strcasecmp(parameter[1], "autosprite2") && numparameters == 2)
4241 shader->textureflags |= Q3TEXTUREFLAG_AUTOSPRITE2;
4244 // identify if this is a blended terrain shader or similar
4245 if (shader->numlayers)
4247 shader->primarylayer = shader->layers + 0;
4248 if (shader->layers[1].blendfunc[0] == GL_SRC_ALPHA && shader->layers[1].blendfunc[1] == GL_ONE_MINUS_SRC_ALPHA)
4250 // terrain blending or other effects
4251 shader->backgroundlayer = shader->layers + 0;
4252 shader->primarylayer = shader->layers + 1;
4254 // now see if the lightmap came first, and if so choose the second texture instead
4255 if (!strcasecmp(shader->primarylayer->texturename, "$lightmap"))
4256 shader->primarylayer = shader->layers + 1;
4263 q3shaderinfo_t *Mod_Q3BSP_LookupShader(const char *name)
4266 for (i = 0;i < Q3SHADER_MAXSHADERS;i++)
4267 if (!strcasecmp(q3shaders_shaders[i].name, name))
4268 return q3shaders_shaders + i;
4272 static void Mod_Q3BSP_LoadTextures(lump_t *l)
4278 in = (q3dtexture_t *)(mod_base + l->fileofs);
4279 if (l->filelen % sizeof(*in))
4280 Host_Error("Mod_Q3BSP_LoadTextures: funny lump size in %s",loadmodel->name);
4281 count = l->filelen / sizeof(*in);
4282 out = (texture_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4284 loadmodel->data_textures = out;
4285 loadmodel->num_textures = count;
4287 // parse the Q3 shader files
4288 Mod_Q3BSP_LoadShaders();
4291 for (i = 0;i < count;i++, in++, out++)
4293 q3shaderinfo_t *shader;
4294 strlcpy (out->name, in->name, sizeof (out->name));
4295 out->surfaceflags = LittleLong(in->surfaceflags);
4296 out->supercontents = Mod_Q3BSP_SuperContentsFromNativeContents(loadmodel, LittleLong(in->contents));
4297 shader = Mod_Q3BSP_LookupShader(out->name);
4300 out->surfaceparms = shader->surfaceparms;
4301 out->textureflags = shader->textureflags;
4302 out->basematerialflags = 0;
4303 if (shader->surfaceparms & Q3SURFACEPARM_SKY)
4305 out->basematerialflags |= MATERIALFLAG_SKY;
4306 if (shader->skyboxname[0])
4308 // quake3 seems to append a _ to the skybox name, so this must do so as well
4309 dpsnprintf(loadmodel->brush.skybox, sizeof(loadmodel->brush.skybox), "%s_", shader->skyboxname);
4312 else if ((shader->surfaceparms & Q3SURFACEPARM_NODRAW) || shader->numlayers == 0)
4313 out->basematerialflags |= MATERIALFLAG_NODRAW;
4314 else if (shader->surfaceparms & Q3SURFACEPARM_LAVA)
4315 out->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_FULLBRIGHT;
4316 else if (shader->surfaceparms & Q3SURFACEPARM_SLIME)
4317 out->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_WATERALPHA;
4318 else if (shader->surfaceparms & Q3SURFACEPARM_WATER)
4319 out->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_WATERALPHA;
4321 out->basematerialflags |= MATERIALFLAG_WALL;
4322 if (shader->textureflags & Q3TEXTUREFLAG_ALPHATEST)
4323 out->basematerialflags |= MATERIALFLAG_ALPHATEST | MATERIALFLAG_TRANSPARENT;
4324 out->customblendfunc[0] = GL_ONE;
4325 out->customblendfunc[1] = GL_ZERO;
4326 if (shader->numlayers > 0)
4328 out->customblendfunc[0] = shader->layers[0].blendfunc[0];
4329 out->customblendfunc[1] = shader->layers[0].blendfunc[1];
4331 Q3 shader blendfuncs actually used in the game (* = supported by DP)
4332 * additive GL_ONE GL_ONE
4333 additive weird GL_ONE GL_SRC_ALPHA
4334 additive weird 2 GL_ONE GL_ONE_MINUS_SRC_ALPHA
4335 * alpha GL_SRC_ALPHA GL_ONE_MINUS_SRC_ALPHA
4336 alpha inverse GL_ONE_MINUS_SRC_ALPHA GL_SRC_ALPHA
4337 brighten GL_DST_COLOR GL_ONE
4338 brighten GL_ONE GL_SRC_COLOR
4339 brighten weird GL_DST_COLOR GL_ONE_MINUS_DST_ALPHA
4340 brighten weird 2 GL_DST_COLOR GL_SRC_ALPHA
4341 * modulate GL_DST_COLOR GL_ZERO
4342 * modulate GL_ZERO GL_SRC_COLOR
4343 modulate inverse GL_ZERO GL_ONE_MINUS_SRC_COLOR
4344 modulate inverse alpha GL_ZERO GL_SRC_ALPHA
4345 modulate weird inverse GL_ONE_MINUS_DST_COLOR GL_ZERO
4346 * modulate x2 GL_DST_COLOR GL_SRC_COLOR
4347 * no blend GL_ONE GL_ZERO
4348 nothing GL_ZERO GL_ONE
4350 // if not opaque, figure out what blendfunc to use
4351 if (shader->layers[0].blendfunc[0] != GL_ONE || shader->layers[0].blendfunc[1] != GL_ZERO)
4353 if (shader->layers[0].blendfunc[0] == GL_ONE && shader->layers[0].blendfunc[1] == GL_ONE)
4354 out->basematerialflags |= MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_TRANSPARENT;
4355 else if (shader->layers[0].blendfunc[0] == GL_SRC_ALPHA && shader->layers[0].blendfunc[1] == GL_ONE)
4356 out->basematerialflags |= MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_TRANSPARENT;
4357 else if (shader->layers[0].blendfunc[0] == GL_SRC_ALPHA && shader->layers[0].blendfunc[1] == GL_ONE_MINUS_SRC_ALPHA)
4358 out->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_TRANSPARENT;
4360 out->basematerialflags |= MATERIALFLAG_CUSTOMBLEND | MATERIALFLAG_FULLBRIGHT | MATERIALFLAG_BLENDED | MATERIALFLAG_TRANSPARENT;
4363 if (!shader->lighting)
4364 out->basematerialflags |= MATERIALFLAG_FULLBRIGHT;
4365 if (cls.state != ca_dedicated)
4366 if (shader->primarylayer && !Mod_LoadSkinFrame(&out->skin, shader->primarylayer->texturename, ((shader->surfaceparms & Q3SURFACEPARM_NOMIPMAPS) ? 0 : TEXF_MIPMAP) | TEXF_ALPHA | TEXF_PRECACHE | (shader->textureflags & Q3TEXTUREFLAG_NOPICMIP ? 0 : TEXF_PICMIP), false, true))
4367 Con_Printf("%s: could not load texture \"%s\" for shader \"%s\"\n", loadmodel->name, shader->primarylayer->texturename, out->name);
4372 Con_DPrintf("%s: No shader found for texture \"%s\"\n", loadmodel->name, out->name);
4373 out->surfaceparms = 0;
4374 if (out->surfaceflags & Q3SURFACEFLAG_NODRAW)
4375 out->basematerialflags |= MATERIALFLAG_NODRAW;
4376 else if (out->surfaceflags & Q3SURFACEFLAG_SKY)
4377 out->basematerialflags |= MATERIALFLAG_SKY;
4379 out->basematerialflags |= MATERIALFLAG_WALL;
4380 // these are defaults
4381 //if (!strncmp(out->name, "textures/skies/", 15))
4382 // out->surfaceparms |= Q3SURFACEPARM_SKY;
4383 //if (!strcmp(out->name, "caulk") || !strcmp(out->name, "common/caulk") || !strcmp(out->name, "textures/common/caulk")
4384 // || !strcmp(out->name, "nodraw") || !strcmp(out->name, "common/nodraw") || !strcmp(out->name, "textures/common/nodraw"))
4385 // out->surfaceparms |= Q3SURFACEPARM_NODRAW;
4386 //if (R_TextureHasAlpha(out->skin.base))
4387 // out->surfaceparms |= Q3SURFACEPARM_TRANS;
4388 if (cls.state != ca_dedicated)
4389 if (!Mod_LoadSkinFrame(&out->skin, out->name, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, false, true))
4390 Con_Printf("%s: could not load texture for missing shader \"%s\"\n", loadmodel->name, out->name);
4393 out->currentframe = out;
4396 Con_DPrintf("%s: %i textures missing shaders\n", loadmodel->name, c);
4399 static void Mod_Q3BSP_LoadPlanes(lump_t *l)
4405 in = (q3dplane_t *)(mod_base + l->fileofs);
4406 if (l->filelen % sizeof(*in))
4407 Host_Error("Mod_Q3BSP_LoadPlanes: funny lump size in %s",loadmodel->name);
4408 count = l->filelen / sizeof(*in);
4409 out = (mplane_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4411 loadmodel->brush.data_planes = out;
4412 loadmodel->brush.num_planes = count;
4414 for (i = 0;i < count;i++, in++, out++)
4416 out->normal[0] = LittleFloat(in->normal[0]);
4417 out->normal[1] = LittleFloat(in->normal[1]);
4418 out->normal[2] = LittleFloat(in->normal[2]);
4419 out->dist = LittleFloat(in->dist);
4424 static void Mod_Q3BSP_LoadBrushSides(lump_t *l)
4427 q3mbrushside_t *out;
4430 in = (q3dbrushside_t *)(mod_base + l->fileofs);
4431 if (l->filelen % sizeof(*in))
4432 Host_Error("Mod_Q3BSP_LoadBrushSides: funny lump size in %s",loadmodel->name);
4433 count = l->filelen / sizeof(*in);
4434 out = (q3mbrushside_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4436 loadmodel->brush.data_brushsides = out;
4437 loadmodel->brush.num_brushsides = count;
4439 for (i = 0;i < count;i++, in++, out++)
4441 n = LittleLong(in->planeindex);
4442 if (n < 0 || n >= loadmodel->brush.num_planes)
4443 Host_Error("Mod_Q3BSP_LoadBrushSides: invalid planeindex %i (%i planes)", n, loadmodel->brush.num_planes);
4444 out->plane = loadmodel->brush.data_planes + n;
4445 n = LittleLong(in->textureindex);
4446 if (n < 0 || n >= loadmodel->num_textures)
4447 Host_Error("Mod_Q3BSP_LoadBrushSides: invalid textureindex %i (%i textures)", n, loadmodel->num_textures);
4448 out->texture = loadmodel->data_textures + n;
4452 static void Mod_Q3BSP_LoadBrushes(lump_t *l)
4456 int i, j, n, c, count, maxplanes;
4457 colplanef_t *planes;
4459 in = (q3dbrush_t *)(mod_base + l->fileofs);
4460 if (l->filelen % sizeof(*in))
4461 Host_Error("Mod_Q3BSP_LoadBrushes: funny lump size in %s",loadmodel->name);
4462 count = l->filelen / sizeof(*in);
4463 out = (q3mbrush_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4465 loadmodel->brush.data_brushes = out;
4466 loadmodel->brush.num_brushes = count;
4471 for (i = 0;i < count;i++, in++, out++)
4473 n = LittleLong(in->firstbrushside);
4474 c = LittleLong(in->numbrushsides);
4475 if (n < 0 || n + c > loadmodel->brush.num_brushsides)
4476 Host_Error("Mod_Q3BSP_LoadBrushes: invalid brushside range %i : %i (%i brushsides)", n, n + c, loadmodel->brush.num_brushsides);
4477 out->firstbrushside = loadmodel->brush.data_brushsides + n;
4478 out->numbrushsides = c;
4479 n = LittleLong(in->textureindex);
4480 if (n < 0 || n >= loadmodel->num_textures)
4481 Host_Error("Mod_Q3BSP_LoadBrushes: invalid textureindex %i (%i textures)", n, loadmodel->num_textures);
4482 out->texture = loadmodel->data_textures + n;
4484 // make a list of mplane_t structs to construct a colbrush from
4485 if (maxplanes < out->numbrushsides)
4487 maxplanes = out->numbrushsides;
4490 planes = (colplanef_t *)Mem_Alloc(tempmempool, sizeof(colplanef_t) * maxplanes);
4492 for (j = 0;j < out->numbrushsides;j++)
4494 VectorCopy(out->firstbrushside[j].plane->normal, planes[j].normal);
4495 planes[j].dist = out->firstbrushside[j].plane->dist;
4496 planes[j].q3surfaceflags = out->firstbrushside[j].texture->surfaceflags;
4497 planes[j].texture = out->firstbrushside[j].texture;
4499 // make the colbrush from the planes
4500 out->colbrushf = Collision_NewBrushFromPlanes(loadmodel->mempool, out->numbrushsides, planes, out->texture->supercontents);
4506 static void Mod_Q3BSP_LoadEffects(lump_t *l)
4512 in = (q3deffect_t *)(mod_base + l->fileofs);
4513 if (l->filelen % sizeof(*in))
4514 Host_Error("Mod_Q3BSP_LoadEffects: funny lump size in %s",loadmodel->name);
4515 count = l->filelen / sizeof(*in);
4516 out = (q3deffect_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4518 loadmodel->brushq3.data_effects = out;
4519 loadmodel->brushq3.num_effects = count;
4521 for (i = 0;i < count;i++, in++, out++)
4523 strlcpy (out->shadername, in->shadername, sizeof (out->shadername));
4524 n = LittleLong(in->brushindex);
4525 if (n >= loadmodel->brush.num_brushes)
4527 Con_Printf("Mod_Q3BSP_LoadEffects: invalid brushindex %i (%i brushes), setting to -1\n", n, loadmodel->brush.num_brushes);
4530 out->brushindex = n;
4531 out->unknown = LittleLong(in->unknown);
4535 static void Mod_Q3BSP_LoadVertices(lump_t *l)
4540 in = (q3dvertex_t *)(mod_base + l->fileofs);
4541 if (l->filelen % sizeof(*in))
4542 Host_Error("Mod_Q3BSP_LoadVertices: funny lump size in %s",loadmodel->name);
4543 loadmodel->brushq3.num_vertices = count = l->filelen / sizeof(*in);
4544 loadmodel->brushq3.data_vertex3f = (float *)Mem_Alloc(loadmodel->mempool, count * (sizeof(float) * (3 + 3 + 2 + 2 + 4)));
4545 loadmodel->brushq3.data_normal3f = loadmodel->brushq3.data_vertex3f + count * 3;
4546 loadmodel->brushq3.data_texcoordtexture2f = loadmodel->brushq3.data_normal3f + count * 3;
4547 loadmodel->brushq3.data_texcoordlightmap2f = loadmodel->brushq3.data_texcoordtexture2f + count * 2;
4548 loadmodel->brushq3.data_color4f = loadmodel->brushq3.data_texcoordlightmap2f + count * 2;
4550 for (i = 0;i < count;i++, in++)
4552 loadmodel->brushq3.data_vertex3f[i * 3 + 0] = LittleFloat(in->origin3f[0]);
4553 loadmodel->brushq3.data_vertex3f[i * 3 + 1] = LittleFloat(in->origin3f[1]);
4554 loadmodel->brushq3.data_vertex3f[i * 3 + 2] = LittleFloat(in->origin3f[2]);
4555 loadmodel->brushq3.data_normal3f[i * 3 + 0] = LittleFloat(in->normal3f[0]);
4556 loadmodel->brushq3.data_normal3f[i * 3 + 1] = LittleFloat(in->normal3f[1]);
4557 loadmodel->brushq3.data_normal3f[i * 3 + 2] = LittleFloat(in->normal3f[2]);
4558 loadmodel->brushq3.data_texcoordtexture2f[i * 2 + 0] = LittleFloat(in->texcoord2f[0]);
4559 loadmodel->brushq3.data_texcoordtexture2f[i * 2 + 1] = LittleFloat(in->texcoord2f[1]);
4560 loadmodel->brushq3.data_texcoordlightmap2f[i * 2 + 0] = LittleFloat(in->lightmap2f[0]);
4561 loadmodel->brushq3.data_texcoordlightmap2f[i * 2 + 1] = LittleFloat(in->lightmap2f[1]);
4562 // svector/tvector are calculated later in face loading
4563 loadmodel->brushq3.data_color4f[i * 4 + 0] = in->color4ub[0] * (1.0f / 255.0f);
4564 loadmodel->brushq3.data_color4f[i * 4 + 1] = in->color4ub[1] * (1.0f / 255.0f);
4565 loadmodel->brushq3.data_color4f[i * 4 + 2] = in->color4ub[2] * (1.0f / 255.0f);
4566 loadmodel->brushq3.data_color4f[i * 4 + 3] = in->color4ub[3] * (1.0f / 255.0f);
4570 static void Mod_Q3BSP_LoadTriangles(lump_t *l)
4576 in = (int *)(mod_base + l->fileofs);
4577 if (l->filelen % sizeof(int[3]))
4578 Host_Error("Mod_Q3BSP_LoadTriangles: funny lump size in %s",loadmodel->name);
4579 count = l->filelen / sizeof(*in);
4580 out = (int *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4582 loadmodel->brushq3.num_triangles = count / 3;
4583 loadmodel->brushq3.data_element3i = out;
4585 for (i = 0;i < count;i++, in++, out++)
4587 *out = LittleLong(*in);
4588 if (*out < 0 || *out >= loadmodel->brushq3.num_vertices)
4590 Con_Printf("Mod_Q3BSP_LoadTriangles: invalid vertexindex %i (%i vertices), setting to 0\n", *out, loadmodel->brushq3.num_vertices);
4596 static void Mod_Q3BSP_LoadLightmaps(lump_t *l)
4604 in = (q3dlightmap_t *)(mod_base + l->fileofs);
4605 if (l->filelen % sizeof(*in))
4606 Host_Error("Mod_Q3BSP_LoadLightmaps: funny lump size in %s",loadmodel->name);
4607 count = l->filelen / sizeof(*in);
4608 out = (rtexture_t **)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4610 loadmodel->brushq3.data_lightmaps = out;
4611 loadmodel->brushq3.num_lightmaps = count;
4613 for (i = 0;i < count;i++, in++, out++)
4614 *out = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%04i", i), 128, 128, in->rgb, TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
4617 static void Mod_Q3BSP_LoadFaces(lump_t *l)
4619 q3dface_t *in, *oldin;
4620 msurface_t *out, *oldout;
4621 int i, oldi, j, n, count, invalidelements, patchsize[2], finalwidth, finalheight, xtess, ytess, finalvertices, finaltriangles, firstvertex, firstelement, type, oldnumtriangles, oldnumtriangles2, meshvertices, meshtriangles, numvertices, numtriangles;
4622 //int *originalelement3i;
4623 //int *originalneighbor3i;
4624 float *originalvertex3f;
4625 //float *originalsvector3f;
4626 //float *originaltvector3f;
4627 float *originalnormal3f;
4628 float *originalcolor4f;
4629 float *originaltexcoordtexture2f;
4630 float *originaltexcoordlightmap2f;
4633 in = (q3dface_t *)(mod_base + l->fileofs);
4634 if (l->filelen % sizeof(*in))
4635 Host_Error("Mod_Q3BSP_LoadFaces: funny lump size in %s",loadmodel->name);
4636 count = l->filelen / sizeof(*in);
4637 out = (msurface_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4639 loadmodel->data_surfaces = out;
4640 loadmodel->num_surfaces = count;
4642 // deluxemapped q3bsp files have an even number of lightmaps, and surfaces
4643 // always index even numbered ones (0, 2, 4, ...), the odd numbered
4644 // lightmaps are the deluxemaps (light direction textures), so if we
4645 // encounter any odd numbered lightmaps it is not a deluxemapped bsp, it
4646 // is also not a deluxemapped bsp if it has an odd number of lightmaps or
4648 loadmodel->brushq3.deluxemapping = true;
4649 loadmodel->brushq3.deluxemapping_modelspace = true;
4650 if (loadmodel->brushq3.num_lightmaps >= 2 && !(loadmodel->brushq3.num_lightmaps & 1))
4652 for (i = 0;i < count;i++)
4654 n = LittleLong(in[i].lightmapindex);
4655 if (n >= 0 && ((n & 1) || n + 1 >= loadmodel->brushq3.num_lightmaps))
4657 loadmodel->brushq3.deluxemapping = false;
4663 loadmodel->brushq3.deluxemapping = false;
4664 Con_DPrintf("%s is %sdeluxemapped\n", loadmodel->name, loadmodel->brushq3.deluxemapping ? "" : "not ");
4672 for (;i < count;i++, in++, out++)
4674 // check face type first
4675 type = LittleLong(in->type);
4676 if (type != Q3FACETYPE_POLYGON
4677 && type != Q3FACETYPE_PATCH
4678 && type != Q3FACETYPE_MESH
4679 && type != Q3FACETYPE_FLARE)
4681 Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i: unknown face type %i\n", i, type);
4685 n = LittleLong(in->textureindex);
4686 if (n < 0 || n >= loadmodel->num_textures)
4688 Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i: invalid textureindex %i (%i textures)\n", i, n, loadmodel->num_textures);
4691 out->texture = loadmodel->data_textures + n;
4692 n = LittleLong(in->effectindex);
4693 if (n < -1 || n >= loadmodel->brushq3.num_effects)
4695 if (developer.integer >= 100)
4696 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid effectindex %i (%i effects)\n", i, out->texture->name, n, loadmodel->brushq3.num_effects);
4702 out->effect = loadmodel->brushq3.data_effects + n;
4703 n = LittleLong(in->lightmapindex);
4704 if (n >= loadmodel->brushq3.num_lightmaps)
4706 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid lightmapindex %i (%i lightmaps)\n", i, out->texture->name, n, loadmodel->brushq3.num_lightmaps);
4713 out->lightmaptexture = NULL;
4714 out->deluxemaptexture = r_texture_blanknormalmap;
4718 out->lightmaptexture = loadmodel->brushq3.data_lightmaps[n];
4719 if (loadmodel->brushq3.deluxemapping)
4720 out->deluxemaptexture = loadmodel->brushq3.data_lightmaps[n+1];
4722 out->deluxemaptexture = r_texture_blanknormalmap;
4725 firstvertex = LittleLong(in->firstvertex);
4726 numvertices = LittleLong(in->numvertices);
4727 firstelement = LittleLong(in->firstelement);
4728 numtriangles = LittleLong(in->numelements) / 3;
4729 if (numtriangles * 3 != LittleLong(in->numelements))
4731 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));
4734 if (firstvertex < 0 || firstvertex + numvertices > loadmodel->brushq3.num_vertices)
4736 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);
4739 if (firstelement < 0 || firstelement + numtriangles * 3 > loadmodel->brushq3.num_triangles * 3)
4741 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);
4746 case Q3FACETYPE_POLYGON:
4747 case Q3FACETYPE_MESH:
4748 // no processing necessary
4750 case Q3FACETYPE_PATCH:
4751 patchsize[0] = LittleLong(in->specific.patch.patchsize[0]);
4752 patchsize[1] = LittleLong(in->specific.patch.patchsize[1]);
4753 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))
4755 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid patchsize %ix%i\n", i, out->texture->name, patchsize[0], patchsize[1]);
4758 originalvertex3f = loadmodel->brushq3.data_vertex3f + firstvertex * 3;
4759 // convert patch to Q3FACETYPE_MESH
4760 xtess = Q3PatchTesselationOnX(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4761 ytess = Q3PatchTesselationOnY(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4762 // bound to user settings
4763 xtess = bound(r_subdivisions_mintess.integer, xtess, r_subdivisions_maxtess.integer);
4764 ytess = bound(r_subdivisions_mintess.integer, ytess, r_subdivisions_maxtess.integer);
4765 // bound to sanity settings
4766 xtess = bound(1, xtess, 1024);
4767 ytess = bound(1, ytess, 1024);
4768 // bound to user limit on vertices
4769 while ((xtess > 1 || ytess > 1) && (((patchsize[0] - 1) * xtess) + 1) * (((patchsize[1] - 1) * ytess) + 1) > min(r_subdivisions_maxvertices.integer, 262144))
4776 finalwidth = ((patchsize[0] - 1) * xtess) + 1;
4777 finalheight = ((patchsize[1] - 1) * ytess) + 1;
4778 numvertices = finalwidth * finalheight;
4779 numtriangles = (finalwidth - 1) * (finalheight - 1) * 2;
4781 case Q3FACETYPE_FLARE:
4782 if (developer.integer >= 100)
4783 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): Q3FACETYPE_FLARE not supported (yet)\n", i, out->texture->name);
4787 out->num_vertices = numvertices;
4788 out->num_triangles = numtriangles;
4789 meshvertices += out->num_vertices;
4790 meshtriangles += out->num_triangles;
4796 Mod_AllocSurfMesh(loadmodel->mempool, meshvertices, meshtriangles, false, true, false);
4799 for (;i < count && meshvertices + out->num_vertices <= loadmodel->surfmesh.num_vertices;i++, in++, out++)
4801 if (out->num_vertices < 3 || out->num_triangles < 1)
4804 type = LittleLong(in->type);
4805 firstvertex = LittleLong(in->firstvertex);
4806 firstelement = LittleLong(in->firstelement);
4807 out->num_firstvertex = meshvertices;
4808 out->num_firsttriangle = meshtriangles;
4811 case Q3FACETYPE_POLYGON:
4812 case Q3FACETYPE_MESH:
4813 // no processing necessary
4814 for (j = 0;j < out->num_vertices;j++)
4816 (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex)[j * 3 + 0] = loadmodel->brushq3.data_vertex3f[(firstvertex + j) * 3 + 0];
4817 (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex)[j * 3 + 1] = loadmodel->brushq3.data_vertex3f[(firstvertex + j) * 3 + 1];
4818 (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex)[j * 3 + 2] = loadmodel->brushq3.data_vertex3f[(firstvertex + j) * 3 + 2];
4819 (loadmodel->surfmesh.data_normal3f + 3 * out->num_firstvertex)[j * 3 + 0] = loadmodel->brushq3.data_normal3f[(firstvertex + j) * 3 + 0];
4820 (loadmodel->surfmesh.data_normal3f + 3 * out->num_firstvertex)[j * 3 + 1] = loadmodel->brushq3.data_normal3f[(firstvertex + j) * 3 + 1];
4821 (loadmodel->surfmesh.data_normal3f + 3 * out->num_firstvertex)[j * 3 + 2] = loadmodel->brushq3.data_normal3f[(firstvertex + j) * 3 + 2];
4822 (loadmodel->surfmesh.data_texcoordtexture2f + 2 * out->num_firstvertex)[j * 2 + 0] = loadmodel->brushq3.data_texcoordtexture2f[(firstvertex + j) * 2 + 0];
4823 (loadmodel->surfmesh.data_texcoordtexture2f + 2 * out->num_firstvertex)[j * 2 + 1] = loadmodel->brushq3.data_texcoordtexture2f[(firstvertex + j) * 2 + 1];
4824 (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * out->num_firstvertex)[j * 2 + 0] = loadmodel->brushq3.data_texcoordlightmap2f[(firstvertex + j) * 2 + 0];
4825 (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * out->num_firstvertex)[j * 2 + 1] = loadmodel->brushq3.data_texcoordlightmap2f[(firstvertex + j) * 2 + 1];
4826 (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 0] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 0];
4827 (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 1] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 1];
4828 (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 2] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 2];
4829 (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 3] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 3];
4831 for (j = 0;j < out->num_triangles*3;j++)
4832 (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] = loadmodel->brushq3.data_element3i[firstelement + j] + out->num_firstvertex;
4834 case Q3FACETYPE_PATCH:
4835 patchsize[0] = LittleLong(in->specific.patch.patchsize[0]);
4836 patchsize[1] = LittleLong(in->specific.patch.patchsize[1]);
4837 originalvertex3f = loadmodel->brushq3.data_vertex3f + firstvertex * 3;
4838 originalnormal3f = loadmodel->brushq3.data_normal3f + firstvertex * 3;
4839 originaltexcoordtexture2f = loadmodel->brushq3.data_texcoordtexture2f + firstvertex * 2;
4840 originaltexcoordlightmap2f = loadmodel->brushq3.data_texcoordlightmap2f + firstvertex * 2;
4841 originalcolor4f = loadmodel->brushq3.data_color4f + firstvertex * 4;
4842 // convert patch to Q3FACETYPE_MESH
4843 xtess = Q3PatchTesselationOnX(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4844 ytess = Q3PatchTesselationOnY(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4845 // bound to user settings
4846 xtess = bound(r_subdivisions_mintess.integer, xtess, r_subdivisions_maxtess.integer);
4847 ytess = bound(r_subdivisions_mintess.integer, ytess, r_subdivisions_maxtess.integer);
4848 // bound to sanity settings
4849 xtess = bound(1, xtess, 1024);
4850 ytess = bound(1, ytess, 1024);
4851 // bound to user limit on vertices
4852 while ((xtess > 1 || ytess > 1) && (((patchsize[0] - 1) * xtess) + 1) * (((patchsize[1] - 1) * ytess) + 1) > min(r_subdivisions_maxvertices.integer, 262144))
4859 finalwidth = ((patchsize[0] - 1) * xtess) + 1;
4860 finalheight = ((patchsize[1] - 1) * ytess) + 1;
4861 finalvertices = finalwidth * finalheight;
4862 finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2;
4863 type = Q3FACETYPE_MESH;
4864 // generate geometry
4865 // (note: normals are skipped because they get recalculated)
4866 Q3PatchTesselateFloat(3, sizeof(float[3]), (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[3]), originalvertex3f, xtess, ytess);
4867 Q3PatchTesselateFloat(3, sizeof(float[3]), (loadmodel->surfmesh.data_normal3f + 3 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[3]), originalnormal3f, xtess, ytess);
4868 Q3PatchTesselateFloat(2, sizeof(float[2]), (loadmodel->surfmesh.data_texcoordtexture2f + 2 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[2]), originaltexcoordtexture2f, xtess, ytess);
4869 Q3PatchTesselateFloat(2, sizeof(float[2]), (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[2]), originaltexcoordlightmap2f, xtess, ytess);
4870 Q3PatchTesselateFloat(4, sizeof(float[4]), (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[4]), originalcolor4f, xtess, ytess);
4871 Q3PatchTriangleElements((loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle), finalwidth, finalheight, out->num_firstvertex);
4872 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);
4873 if (developer.integer >= 100)
4875 if (out->num_triangles < finaltriangles)
4876 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);
4878 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);
4880 // q3map does not put in collision brushes for curves... ugh
4881 // build the lower quality collision geometry
4882 xtess = Q3PatchTesselationOnX(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_collision_tolerance.value);
4883 ytess = Q3PatchTesselationOnY(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_collision_tolerance.value);
4884 // bound to user settings
4885 xtess = bound(r_subdivisions_collision_mintess.integer, xtess, r_subdivisions_collision_maxtess.integer);
4886 ytess = bound(r_subdivisions_collision_mintess.integer, ytess, r_subdivisions_collision_maxtess.integer);
4887 // bound to sanity settings
4888 xtess = bound(1, xtess, 1024);
4889 ytess = bound(1, ytess, 1024);
4890 // bound to user limit on vertices
4891 while ((xtess > 1 || ytess > 1) && (((patchsize[0] - 1) * xtess) + 1) * (((patchsize[1] - 1) * ytess) + 1) > min(r_subdivisions_collision_maxvertices.integer, 262144))
4898 finalwidth = ((patchsize[0] - 1) * xtess) + 1;
4899 finalheight = ((patchsize[1] - 1) * ytess) + 1;
4900 finalvertices = finalwidth * finalheight;
4901 finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2;
4903 out->data_collisionvertex3f = (float *)Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * finalvertices);
4904 out->data_collisionelement3i = (int *)Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * finaltriangles);
4905 out->num_collisionvertices = finalvertices;
4906 out->num_collisiontriangles = finaltriangles;
4907 Q3PatchTesselateFloat(3, sizeof(float[3]), out->data_collisionvertex3f, patchsize[0], patchsize[1], sizeof(float[3]), originalvertex3f, xtess, ytess);
4908 Q3PatchTriangleElements(out->data_collisionelement3i, finalwidth, finalheight, 0);
4910 //Mod_SnapVertices(3, out->num_vertices, (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), 0.25);
4911 Mod_SnapVertices(3, out->num_collisionvertices, out->data_collisionvertex3f, 1);
4913 oldnumtriangles = out->num_triangles;
4914 oldnumtriangles2 = out->num_collisiontriangles;
4915 out->num_collisiontriangles = Mod_RemoveDegenerateTriangles(out->num_collisiontriangles, out->data_collisionelement3i, out->data_collisionelement3i, out->data_collisionvertex3f);
4916 if (developer.integer >= 100)
4917 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);
4922 meshvertices += out->num_vertices;
4923 meshtriangles += out->num_triangles;
4924 for (j = 0, invalidelements = 0;j < out->num_triangles * 3;j++)
4925 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)
4927 if (invalidelements)
4929 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);
4930 for (j = 0;j < out->num_triangles * 3;j++)
4932 Con_Printf(" %i", (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] - out->num_firstvertex);
4933 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)
4934 (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] = out->num_firstvertex;
4938 // calculate a bounding box
4939 VectorClear(out->mins);
4940 VectorClear(out->maxs);
4941 if (out->num_vertices)
4943 VectorCopy((loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), out->mins);
4944 VectorCopy((loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), out->maxs);
4945 for (j = 1, v = (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex) + 3;j < out->num_vertices;j++, v += 3)
4947 out->mins[0] = min(out->mins[0], v[0]);
4948 out->maxs[0] = max(out->maxs[0], v[0]);
4949 out->mins[1] = min(out->mins[1], v[1]);
4950 out->maxs[1] = max(out->maxs[1], v[1]);
4951 out->mins[2] = min(out->mins[2], v[2]);
4952 out->maxs[2] = max(out->maxs[2], v[2]);
4954 out->mins[0] -= 1.0f;
4955 out->mins[1] -= 1.0f;
4956 out->mins[2] -= 1.0f;
4957 out->maxs[0] += 1.0f;
4958 out->maxs[1] += 1.0f;
4959 out->maxs[2] += 1.0f;
4961 // set lightmap styles for consistency with q1bsp
4962 //out->lightmapinfo->styles[0] = 0;
4963 //out->lightmapinfo->styles[1] = 255;
4964 //out->lightmapinfo->styles[2] = 255;
4965 //out->lightmapinfo->styles[3] = 255;
4968 // for per pixel lighting
4969 Mod_BuildTextureVectorsFromNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, true);
4971 // free the no longer needed vertex data
4972 loadmodel->brushq3.num_vertices = 0;
4973 Mem_Free(loadmodel->brushq3.data_vertex3f);
4974 loadmodel->brushq3.data_vertex3f = NULL;
4975 loadmodel->brushq3.data_normal3f = NULL;
4976 loadmodel->brushq3.data_texcoordtexture2f = NULL;
4977 loadmodel->brushq3.data_texcoordlightmap2f = NULL;
4978 loadmodel->brushq3.data_color4f = NULL;
4979 // free the no longer needed triangle data
4980 loadmodel->brushq3.num_triangles = 0;
4981 Mem_Free(loadmodel->brushq3.data_element3i);
4982 loadmodel->brushq3.data_element3i = NULL;
4985 static void Mod_Q3BSP_LoadModels(lump_t *l)
4989 int i, j, n, c, count;
4991 in = (q3dmodel_t *)(mod_base + l->fileofs);
4992 if (l->filelen % sizeof(*in))
4993 Host_Error("Mod_Q3BSP_LoadModels: funny lump size in %s",loadmodel->name);
4994 count = l->filelen / sizeof(*in);
4995 out = (q3dmodel_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4997 loadmodel->brushq3.data_models = out;
4998 loadmodel->brushq3.num_models = count;
5000 for (i = 0;i < count;i++, in++, out++)
5002 for (j = 0;j < 3;j++)
5004 out->mins[j] = LittleFloat(in->mins[j]);
5005 out->maxs[j] = LittleFloat(in->maxs[j]);
5007 n = LittleLong(in->firstface);
5008 c = LittleLong(in->numfaces);
5009 if (n < 0 || n + c > loadmodel->num_surfaces)
5010 Host_Error("Mod_Q3BSP_LoadModels: invalid face range %i : %i (%i faces)", n, n + c, loadmodel->num_surfaces);
5013 n = LittleLong(in->firstbrush);
5014 c = LittleLong(in->numbrushes);
5015 if (n < 0 || n + c > loadmodel->brush.num_brushes)
5016 Host_Error("Mod_Q3BSP_LoadModels: invalid brush range %i : %i (%i brushes)", n, n + c, loadmodel->brush.num_brushes);
5017 out->firstbrush = n;
5018 out->numbrushes = c;
5022 static void Mod_Q3BSP_LoadLeafBrushes(lump_t *l)
5028 in = (int *)(mod_base + l->fileofs);
5029 if (l->filelen % sizeof(*in))
5030 Host_Error("Mod_Q3BSP_LoadLeafBrushes: funny lump size in %s",loadmodel->name);
5031 count = l->filelen / sizeof(*in);
5032 out = (int *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
5034 loadmodel->brush.data_leafbrushes = out;
5035 loadmodel->brush.num_leafbrushes = count;
5037 for (i = 0;i < count;i++, in++, out++)
5039 n = LittleLong(*in);
5040 if (n < 0 || n >= loadmodel->brush.num_brushes)
5041 Host_Error("Mod_Q3BSP_LoadLeafBrushes: invalid brush index %i (%i brushes)", n, loadmodel->brush.num_brushes);
5046 static void Mod_Q3BSP_LoadLeafFaces(lump_t *l)
5052 in = (int *)(mod_base + l->fileofs);
5053 if (l->filelen % sizeof(*in))
5054 Host_Error("Mod_Q3BSP_LoadLeafFaces: funny lump size in %s",loadmodel->name);
5055 count = l->filelen / sizeof(*in);
5056 out = (int *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
5058 loadmodel->brush.data_leafsurfaces = out;
5059 loadmodel->brush.num_leafsurfaces = count;
5061 for (i = 0;i < count;i++, in++, out++)
5063 n = LittleLong(*in);
5064 if (n < 0 || n >= loadmodel->num_surfaces)
5065 Host_Error("Mod_Q3BSP_LoadLeafFaces: invalid face index %i (%i faces)", n, loadmodel->num_surfaces);
5070 static void Mod_Q3BSP_LoadLeafs(lump_t *l)
5074 int i, j, n, c, count;
5076 in = (q3dleaf_t *)(mod_base + l->fileofs);
5077 if (l->filelen % sizeof(*in))
5078 Host_Error("Mod_Q3BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
5079 count = l->filelen / sizeof(*in);
5080 out = (mleaf_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
5082 loadmodel->brush.data_leafs = out;
5083 loadmodel->brush.num_leafs = count;
5085 for (i = 0;i < count;i++, in++, out++)
5089 out->clusterindex = LittleLong(in->clusterindex);
5090 out->areaindex = LittleLong(in->areaindex);
5091 for (j = 0;j < 3;j++)
5093 // yes the mins/maxs are ints
5094 out->mins[j] = LittleLong(in->mins[j]) - 1;
5095 out->maxs[j] = LittleLong(in->maxs[j]) + 1;
5097 n = LittleLong(in->firstleafface);
5098 c = LittleLong(in->numleaffaces);
5099 if (n < 0 || n + c > loadmodel->brush.num_leafsurfaces)
5100 Host_Error("Mod_Q3BSP_LoadLeafs: invalid leafsurface range %i : %i (%i leafsurfaces)", n, n + c, loadmodel->brush.num_leafsurfaces);
5101 out->firstleafsurface = loadmodel->brush.data_leafsurfaces + n;
5102 out->numleafsurfaces = c;
5103 n = LittleLong(in->firstleafbrush);
5104 c = LittleLong(in->numleafbrushes);
5105 if (n < 0 || n + c > loadmodel->brush.num_leafbrushes)
5106 Host_Error("Mod_Q3BSP_LoadLeafs: invalid leafbrush range %i : %i (%i leafbrushes)", n, n + c, loadmodel->brush.num_leafbrushes);
5107 out->firstleafbrush = loadmodel->brush.data_leafbrushes + n;
5108 out->numleafbrushes = c;
5112 static void Mod_Q3BSP_LoadNodes(lump_t *l)
5118 in = (q3dnode_t *)(mod_base + l->fileofs);
5119 if (l->filelen % sizeof(*in))
5120 Host_Error("Mod_Q3BSP_LoadNodes: funny lump size in %s",loadmodel->name);
5121 count = l->filelen / sizeof(*in);
5122 out = (mnode_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
5124 loadmodel->brush.data_nodes = out;
5125 loadmodel->brush.num_nodes = count;
5127 for (i = 0;i < count;i++, in++, out++)
5130 n = LittleLong(in->planeindex);
5131 if (n < 0 || n >= loadmodel->brush.num_planes)
5132 Host_Error("Mod_Q3BSP_LoadNodes: invalid planeindex %i (%i planes)", n, loadmodel->brush.num_planes);
5133 out->plane = loadmodel->brush.data_planes + n;
5134 for (j = 0;j < 2;j++)
5136 n = LittleLong(in->childrenindex[j]);
5139 if (n >= loadmodel->brush.num_nodes)
5140 Host_Error("Mod_Q3BSP_LoadNodes: invalid child node index %i (%i nodes)", n, loadmodel->brush.num_nodes);
5141 out->children[j] = loadmodel->brush.data_nodes + n;
5146 if (n >= loadmodel->brush.num_leafs)
5147 Host_Error("Mod_Q3BSP_LoadNodes: invalid child leaf index %i (%i leafs)", n, loadmodel->brush.num_leafs);
5148 out->children[j] = (mnode_t *)(loadmodel->brush.data_leafs + n);
5151 for (j = 0;j < 3;j++)
5153 // yes the mins/maxs are ints
5154 out->mins[j] = LittleLong(in->mins[j]) - 1;
5155 out->maxs[j] = LittleLong(in->maxs[j]) + 1;
5159 // set the parent pointers
5160 Mod_Q1BSP_LoadNodes_RecursiveSetParent(loadmodel->brush.data_nodes, NULL);
5163 static void Mod_Q3BSP_LoadLightGrid(lump_t *l)
5166 q3dlightgrid_t *out;
5169 in = (q3dlightgrid_t *)(mod_base + l->fileofs);
5170 if (l->filelen % sizeof(*in))
5171 Host_Error("Mod_Q3BSP_LoadLightGrid: funny lump size in %s",loadmodel->name);
5172 loadmodel->brushq3.num_lightgrid_scale[0] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[0];
5173 loadmodel->brushq3.num_lightgrid_scale[1] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[1];
5174 loadmodel->brushq3.num_lightgrid_scale[2] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[2];
5175 loadmodel->brushq3.num_lightgrid_imins[0] = (int)ceil(loadmodel->brushq3.data_models->mins[0] * loadmodel->brushq3.num_lightgrid_scale[0]);
5176 loadmodel->brushq3.num_lightgrid_imins[1] = (int)ceil(loadmodel->brushq3.data_models->mins[1] * loadmodel->brushq3.num_lightgrid_scale[1]);
5177 loadmodel->brushq3.num_lightgrid_imins[2] = (int)ceil(loadmodel->brushq3.data_models->mins[2] * loadmodel->brushq3.num_lightgrid_scale[2]);
5178 loadmodel->brushq3.num_lightgrid_imaxs[0] = (int)floor(loadmodel->brushq3.data_models->maxs[0] * loadmodel->brushq3.num_lightgrid_scale[0]);
5179 loadmodel->brushq3.num_lightgrid_imaxs[1] = (int)floor(loadmodel->brushq3.data_models->maxs[1] * loadmodel->brushq3.num_lightgrid_scale[1]);
5180 loadmodel->brushq3.num_lightgrid_imaxs[2] = (int)floor(loadmodel->brushq3.data_models->maxs[2] * loadmodel->brushq3.num_lightgrid_scale[2]);
5181 loadmodel->brushq3.num_lightgrid_isize[0] = loadmodel->brushq3.num_lightgrid_imaxs[0] - loadmodel->brushq3.num_lightgrid_imins[0] + 1;
5182 loadmodel->brushq3.num_lightgrid_isize[1] = loadmodel->brushq3.num_lightgrid_imaxs[1] - loadmodel->brushq3.num_lightgrid_imins[1] + 1;
5183 loadmodel->brushq3.num_lightgrid_isize[2] = loadmodel->brushq3.num_lightgrid_imaxs[2] - loadmodel->brushq3.num_lightgrid_imins[2] + 1;
5184 count = loadmodel->brushq3.num_lightgrid_isize[0] * loadmodel->brushq3.num_lightgrid_isize[1] * loadmodel->brushq3.num_lightgrid_isize[2];
5185 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]);
5186 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]);
5188 // if lump is empty there is nothing to load, we can deal with that in the LightPoint code
5191 if (l->filelen < count * (int)sizeof(*in))
5192 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]);
5193 if (l->filelen != count * (int)sizeof(*in))
5194 Con_Printf("Mod_Q3BSP_LoadLightGrid: Warning: calculated lightgrid size %i bytes does not match lump size %i", count * sizeof(*in), l->filelen);
5195 out = (q3dlightgrid_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
5196 loadmodel->brushq3.data_lightgrid = out;
5197 loadmodel->brushq3.num_lightgrid = count;
5198 // no swapping or validation necessary
5199 memcpy(out, in, count * (int)sizeof(*out));
5203 static void Mod_Q3BSP_LoadPVS(lump_t *l)
5208 if (l->filelen == 0)
5211 // unvised maps often have cluster indices even without pvs, so check
5212 // leafs to find real number of clusters
5213 loadmodel->brush.num_pvsclusters = 1;
5214 for (i = 0;i < loadmodel->brush.num_leafs;i++)
5215 loadmodel->brush.num_pvsclusters = max(loadmodel->brush.num_pvsclusters, loadmodel->brush.data_leafs[i].clusterindex + 1);
5218 loadmodel->brush.num_pvsclusterbytes = (loadmodel->brush.num_pvsclusters + 7) / 8;
5219 totalchains = loadmodel->brush.num_pvsclusterbytes * loadmodel->brush.num_pvsclusters;
5220 loadmodel->brush.data_pvsclusters = (unsigned char *)Mem_Alloc(loadmodel->mempool, totalchains);
5221 memset(loadmodel->brush.data_pvsclusters, 0xFF, totalchains);
5225 in = (q3dpvs_t *)(mod_base + l->fileofs);
5227 Host_Error("Mod_Q3BSP_LoadPVS: funny lump size in %s",loadmodel->name);
5229 loadmodel->brush.num_pvsclusters = LittleLong(in->numclusters);
5230 loadmodel->brush.num_pvsclusterbytes = LittleLong(in->chainlength);
5231 if (loadmodel->brush.num_pvsclusterbytes < ((loadmodel->brush.num_pvsclusters + 7) / 8))
5232 Host_Error("Mod_Q3BSP_LoadPVS: (chainlength = %i) < ((numclusters = %i) + 7) / 8", loadmodel->brush.num_pvsclusterbytes, loadmodel->brush.num_pvsclusters);
5233 totalchains = loadmodel->brush.num_pvsclusterbytes * loadmodel->brush.num_pvsclusters;
5234 if (l->filelen < totalchains + (int)sizeof(*in))
5235 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);
5237 loadmodel->brush.data_pvsclusters = (unsigned char *)Mem_Alloc(loadmodel->mempool, totalchains);
5238 memcpy(loadmodel->brush.data_pvsclusters, (unsigned char *)(in + 1), totalchains);
5241 static void Mod_Q3BSP_LightPoint(model_t *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal)
5243 int i, j, k, index[3];
5244 float transformed[3], blend1, blend2, blend, yaw, pitch, sinpitch;
5245 q3dlightgrid_t *a, *s;
5246 if (!model->brushq3.num_lightgrid)
5248 ambientcolor[0] = 1;
5249 ambientcolor[1] = 1;
5250 ambientcolor[2] = 1;
5253 Matrix4x4_Transform(&model->brushq3.num_lightgrid_indexfromworld, p, transformed);
5254 //Matrix4x4_Print(&model->brushq3.num_lightgrid_indexfromworld);
5255 //Con_Printf("%f %f %f transformed %f %f %f clamped ", p[0], p[1], p[2], transformed[0], transformed[1], transformed[2]);
5256 transformed[0] = bound(0, transformed[0], model->brushq3.num_lightgrid_isize[0] - 1);
5257 transformed[1] = bound(0, transformed[1], model->brushq3.num_lightgrid_isize[1] - 1);
5258 transformed[2] = bound(0, transformed[2], model->brushq3.num_lightgrid_isize[2] - 1);
5259 index[0] = (int)floor(transformed[0]);
5260 index[1] = (int)floor(transformed[1]);
5261 index[2] = (int)floor(transformed[2]);
5262 //Con_Printf("%f %f %f index %i %i %i:\n", transformed[0], transformed[1], transformed[2], index[0], index[1], index[2]);
5263 // now lerp the values
5264 VectorClear(diffusenormal);
5265 a = &model->brushq3.data_lightgrid[(index[2] * model->brushq3.num_lightgrid_isize[1] + index[1]) * model->brushq3.num_lightgrid_isize[0] + index[0]];
5266 for (k = 0;k < 2;k++)
5268 blend1 = (k ? (transformed[2] - index[2]) : (1 - (transformed[2] - index[2])));
5269 if (blend1 < 0.001f || index[2] + k >= model->brushq3.num_lightgrid_isize[2])
5271 for (j = 0;j < 2;j++)
5273 blend2 = blend1 * (j ? (transformed[1] - index[1]) : (1 - (transformed[1] - index[1])));
5274 if (blend2 < 0.001f || index[1] + j >= model->brushq3.num_lightgrid_isize[1])
5276 for (i = 0;i < 2;i++)
5278 blend = blend2 * (i ? (transformed[0] - index[0]) : (1 - (transformed[0] - index[0])));
5279 if (blend < 0.001f || index[0] + i >= model->brushq3.num_lightgrid_isize[0])
5281 s = a + (k * model->brushq3.num_lightgrid_isize[1] + j) * model->brushq3.num_lightgrid_isize[0] + i;
5282 VectorMA(ambientcolor, blend * (1.0f / 128.0f), s->ambientrgb, ambientcolor);
5283 VectorMA(diffusecolor, blend * (1.0f / 128.0f), s->diffusergb, diffusecolor);
5284 pitch = s->diffusepitch * M_PI / 128;
5285 yaw = s->diffuseyaw * M_PI / 128;
5286 sinpitch = sin(pitch);
5287 diffusenormal[0] += blend * (cos(yaw) * sinpitch);
5288 diffusenormal[1] += blend * (sin(yaw) * sinpitch);
5289 diffusenormal[2] += blend * (cos(pitch));
5290 //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)));
5294 VectorNormalize(diffusenormal);
5295 //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]);
5298 static void Mod_Q3BSP_TracePoint_RecursiveBSPNode(trace_t *trace, model_t *model, mnode_t *node, const vec3_t point, int markframe)
5303 // find which leaf the point is in
5305 node = node->children[DotProduct(point, node->plane->normal) < node->plane->dist];
5306 // point trace the brushes
5307 leaf = (mleaf_t *)node;
5308 for (i = 0;i < leaf->numleafbrushes;i++)
5310 brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf;
5311 if (brush && brush->markframe != markframe && BoxesOverlap(point, point, brush->mins, brush->maxs))
5313 brush->markframe = markframe;
5314 Collision_TracePointBrushFloat(trace, point, brush);
5317 // can't do point traces on curves (they have no thickness)
5320 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)
5322 int i, startside, endside;
5323 float dist1, dist2, midfrac, mid[3], nodesegmentmins[3], nodesegmentmaxs[3];
5325 msurface_t *surface;
5328 // walk the tree until we hit a leaf, recursing for any split cases
5331 plane = node->plane;
5332 // axial planes are much more common than non-axial, so an optimized
5333 // axial case pays off here
5334 if (plane->type < 3)
5336 dist1 = start[plane->type] - plane->dist;
5337 dist2 = end[plane->type] - plane->dist;
5341 dist1 = DotProduct(start, plane->normal) - plane->dist;
5342 dist2 = DotProduct(end, plane->normal) - plane->dist;
5344 startside = dist1 < 0;
5345 endside = dist2 < 0;
5346 if (startside == endside)
5348 // most of the time the line fragment is on one side of the plane
5349 node = node->children[startside];
5353 // line crosses node plane, split the line
5354 dist1 = PlaneDiff(linestart, plane);
5355 dist2 = PlaneDiff(lineend, plane);
5356 midfrac = dist1 / (dist1 - dist2);
5357 VectorLerp(linestart, midfrac, lineend, mid);
5358 // take the near side first
5359 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, node->children[startside], start, mid, startfrac, midfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
5360 // if we found an impact on the front side, don't waste time
5361 // exploring the far side
5362 if (midfrac <= trace->realfraction)
5363 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, node->children[endside], mid, end, midfrac, endfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
5368 nodesegmentmins[0] = min(start[0], end[0]) - 1;
5369 nodesegmentmins[1] = min(start[1], end[1]) - 1;
5370 nodesegmentmins[2] = min(start[2], end[2]) - 1;
5371 nodesegmentmaxs[0] = max(start[0], end[0]) + 1;
5372 nodesegmentmaxs[1] = max(start[1], end[1]) + 1;
5373 nodesegmentmaxs[2] = max(start[2], end[2]) + 1;
5374 // line trace the brushes
5375 leaf = (mleaf_t *)node;
5376 for (i = 0;i < leaf->numleafbrushes;i++)
5378 brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf;
5379 if (brush && brush->markframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, brush->mins, brush->maxs))
5381 brush->markframe = markframe;
5382 Collision_TraceLineBrushFloat(trace, linestart, lineend, brush, brush);
5385 // can't do point traces on curves (they have no thickness)
5386 if (mod_q3bsp_curves_collisions.integer && !VectorCompare(start, end))
5388 // line trace the curves
5389 for (i = 0;i < leaf->numleafsurfaces;i++)
5391 surface = model->data_surfaces + leaf->firstleafsurface[i];
5392 if (surface->num_collisiontriangles && surface->collisionmarkframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, surface->mins, surface->maxs))
5394 surface->collisionmarkframe = markframe;
5395 Collision_TraceLineTriangleMeshFloat(trace, linestart, lineend, surface->num_collisiontriangles, surface->data_collisionelement3i, surface->data_collisionvertex3f, surface->texture->supercontents, surface->texture->surfaceflags, surface->texture, segmentmins, segmentmaxs);
5401 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)
5407 msurface_t *surface;
5409 float nodesegmentmins[3], nodesegmentmaxs[3];
5410 // walk the tree until we hit a leaf, recursing for any split cases
5413 plane = node->plane;
5414 // axial planes are much more common than non-axial, so an optimized
5415 // axial case pays off here
5416 if (plane->type < 3)
5418 // this is an axial plane, compare bounding box directly to it and
5419 // recurse sides accordingly
5420 // recurse down node sides
5421 // use an inlined axial BoxOnPlaneSide to slightly reduce overhead
5422 //sides = BoxOnPlaneSide(nodesegmentmins, nodesegmentmaxs, plane);
5423 //sides = ((segmentmaxs[plane->type] >= plane->dist) | ((segmentmins[plane->type] < plane->dist) << 1));
5424 sides = ((segmentmaxs[plane->type] >= plane->dist) + ((segmentmins[plane->type] < plane->dist) * 2));
5428 // this is a non-axial plane, so check if the start and end boxes
5429 // are both on one side of the plane to handle 'diagonal' cases
5430 sides = BoxOnPlaneSide(thisbrush_start->mins, thisbrush_start->maxs, plane) | BoxOnPlaneSide(thisbrush_end->mins, thisbrush_end->maxs, plane);
5434 // segment crosses plane
5435 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, model, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
5438 // if sides == 0 then the trace itself is bogus (Not A Number values),
5439 // in this case we simply pretend the trace hit nothing
5441 return; // ERROR: NAN bounding box!
5442 // take whichever side the segment box is on
5443 node = node->children[sides - 1];
5445 nodesegmentmins[0] = max(segmentmins[0], node->mins[0] - 1);
5446 nodesegmentmins[1] = max(segmentmins[1], node->mins[1] - 1);
5447 nodesegmentmins[2] = max(segmentmins[2], node->mins[2] - 1);
5448 nodesegmentmaxs[0] = min(segmentmaxs[0], node->maxs[0] + 1);
5449 nodesegmentmaxs[1] = min(segmentmaxs[1], node->maxs[1] + 1);
5450 nodesegmentmaxs[2] = min(segmentmaxs[2], node->maxs[2] + 1);
5452 leaf = (mleaf_t *)node;
5453 for (i = 0;i < leaf->numleafbrushes;i++)
5455 brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf;
5456 if (brush && brush->markframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, brush->mins, brush->maxs))
5458 brush->markframe = markframe;
5459 Collision_TraceBrushBrushFloat(trace, thisbrush_start, thisbrush_end, brush, brush);
5462 if (mod_q3bsp_curves_collisions.integer)
5464 for (i = 0;i < leaf->numleafsurfaces;i++)
5466 surface = model->data_surfaces + leaf->firstleafsurface[i];
5467 if (surface->num_collisiontriangles && surface->collisionmarkframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, surface->mins, surface->maxs))
5469 surface->collisionmarkframe = markframe;
5470 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);
5476 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)
5479 float segmentmins[3], segmentmaxs[3];
5480 static int markframe = 0;
5481 msurface_t *surface;
5483 memset(trace, 0, sizeof(*trace));
5484 trace->fraction = 1;
5485 trace->realfraction = 1;
5486 trace->hitsupercontentsmask = hitsupercontentsmask;
5487 if (mod_q3bsp_optimizedtraceline.integer && VectorLength2(boxmins) + VectorLength2(boxmaxs) == 0)
5489 if (VectorCompare(start, end))
5492 if (model->brush.submodel)
5494 for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
5495 if (brush->colbrushf)
5496 Collision_TracePointBrushFloat(trace, start, brush->colbrushf);
5499 Mod_Q3BSP_TracePoint_RecursiveBSPNode(trace, model, model->brush.data_nodes, start, ++markframe);
5504 segmentmins[0] = min(start[0], end[0]) - 1;
5505 segmentmins[1] = min(start[1], end[1]) - 1;
5506 segmentmins[2] = min(start[2], end[2]) - 1;
5507 segmentmaxs[0] = max(start[0], end[0]) + 1;
5508 segmentmaxs[1] = max(start[1], end[1]) + 1;
5509 segmentmaxs[2] = max(start[2], end[2]) + 1;
5510 if (model->brush.submodel)
5512 for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
5513 if (brush->colbrushf)
5514 Collision_TraceLineBrushFloat(trace, start, end, brush->colbrushf, brush->colbrushf);
5515 if (mod_q3bsp_curves_collisions.integer)
5516 for (i = 0, surface = model->data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
5517 if (surface->num_collisiontriangles)
5518 Collision_TraceLineTriangleMeshFloat(trace, start, end, surface->num_collisiontriangles, surface->data_collisionelement3i, surface->data_collisionvertex3f, surface->texture->supercontents, surface->texture->surfaceflags, surface->texture, segmentmins, segmentmaxs);
5521 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, model->brush.data_nodes, start, end, 0, 1, start, end, ++markframe, segmentmins, segmentmaxs);
5526 // box trace, performed as brush trace
5527 colbrushf_t *thisbrush_start, *thisbrush_end;
5528 vec3_t boxstartmins, boxstartmaxs, boxendmins, boxendmaxs;
5529 segmentmins[0] = min(start[0], end[0]) + boxmins[0] - 1;
5530 segmentmins[1] = min(start[1], end[1]) + boxmins[1] - 1;
5531 segmentmins[2] = min(start[2], end[2]) + boxmins[2] - 1;
5532 segmentmaxs[0] = max(start[0], end[0]) + boxmaxs[0] + 1;
5533 segmentmaxs[1] = max(start[1], end[1]) + boxmaxs[1] + 1;
5534 segmentmaxs[2] = max(start[2], end[2]) + boxmaxs[2] + 1;
5535 VectorAdd(start, boxmins, boxstartmins);
5536 VectorAdd(start, boxmaxs, boxstartmaxs);
5537 VectorAdd(end, boxmins, boxendmins);
5538 VectorAdd(end, boxmaxs, boxendmaxs);
5539 thisbrush_start = Collision_BrushForBox(&identitymatrix, boxstartmins, boxstartmaxs, 0, 0, NULL);
5540 thisbrush_end = Collision_BrushForBox(&identitymatrix, boxendmins, boxendmaxs, 0, 0, NULL);
5541 if (model->brush.submodel)
5543 for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
5544 if (brush->colbrushf)
5545 Collision_TraceBrushBrushFloat(trace, thisbrush_start, thisbrush_end, brush->colbrushf, brush->colbrushf);
5546 if (mod_q3bsp_curves_collisions.integer)
5547 for (i = 0, surface = model->data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
5548 if (surface->num_collisiontriangles)
5549 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);
5552 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, model, model->brush.data_nodes, thisbrush_start, thisbrush_end, ++markframe, segmentmins, segmentmaxs);
5556 static int Mod_Q3BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents)
5558 int supercontents = 0;
5559 if (nativecontents & CONTENTSQ3_SOLID)
5560 supercontents |= SUPERCONTENTS_SOLID;
5561 if (nativecontents & CONTENTSQ3_WATER)
5562 supercontents |= SUPERCONTENTS_WATER;
5563 if (nativecontents & CONTENTSQ3_SLIME)
5564 supercontents |= SUPERCONTENTS_SLIME;
5565 if (nativecontents & CONTENTSQ3_LAVA)
5566 supercontents |= SUPERCONTENTS_LAVA;
5567 if (nativecontents & CONTENTSQ3_BODY)
5568 supercontents |= SUPERCONTENTS_BODY;
5569 if (nativecontents & CONTENTSQ3_CORPSE)
5570 supercontents |= SUPERCONTENTS_CORPSE;
5571 if (nativecontents & CONTENTSQ3_NODROP)
5572 supercontents |= SUPERCONTENTS_NODROP;
5573 if (nativecontents & CONTENTSQ3_PLAYERCLIP)
5574 supercontents |= SUPERCONTENTS_PLAYERCLIP;
5575 if (nativecontents & CONTENTSQ3_MONSTERCLIP)
5576 supercontents |= SUPERCONTENTS_MONSTERCLIP;
5577 if (nativecontents & CONTENTSQ3_DONOTENTER)
5578 supercontents |= SUPERCONTENTS_DONOTENTER;
5579 return supercontents;
5582 static int Mod_Q3BSP_NativeContentsFromSuperContents(model_t *model, int supercontents)
5584 int nativecontents = 0;
5585 if (supercontents & SUPERCONTENTS_SOLID)
5586 nativecontents |= CONTENTSQ3_SOLID;
5587 if (supercontents & SUPERCONTENTS_WATER)
5588 nativecontents |= CONTENTSQ3_WATER;
5589 if (supercontents & SUPERCONTENTS_SLIME)
5590 nativecontents |= CONTENTSQ3_SLIME;
5591 if (supercontents & SUPERCONTENTS_LAVA)
5592 nativecontents |= CONTENTSQ3_LAVA;
5593 if (supercontents & SUPERCONTENTS_BODY)
5594 nativecontents |= CONTENTSQ3_BODY;
5595 if (supercontents & SUPERCONTENTS_CORPSE)
5596 nativecontents |= CONTENTSQ3_CORPSE;
5597 if (supercontents & SUPERCONTENTS_NODROP)
5598 nativecontents |= CONTENTSQ3_NODROP;
5599 if (supercontents & SUPERCONTENTS_PLAYERCLIP)
5600 nativecontents |= CONTENTSQ3_PLAYERCLIP;
5601 if (supercontents & SUPERCONTENTS_MONSTERCLIP)
5602 nativecontents |= CONTENTSQ3_MONSTERCLIP;
5603 if (supercontents & SUPERCONTENTS_DONOTENTER)
5604 nativecontents |= CONTENTSQ3_DONOTENTER;
5605 return nativecontents;
5608 void Mod_Q3BSP_RecursiveFindNumLeafs(mnode_t *node)
5613 Mod_Q3BSP_RecursiveFindNumLeafs(node->children[0]);
5614 node = node->children[1];
5616 numleafs = ((mleaf_t *)node - loadmodel->brush.data_leafs) + 1;
5617 if (loadmodel->brush.num_leafs < numleafs)
5618 loadmodel->brush.num_leafs = numleafs;
5621 void Mod_Q3BSP_Load(model_t *mod, void *buffer, void *bufferend)
5623 int i, j, numshadowmeshtriangles;
5624 q3dheader_t *header;
5625 float corner[3], yawradius, modelradius;
5626 msurface_t *surface;
5628 mod->type = mod_brushq3;
5629 mod->numframes = 2; // although alternate textures are not supported it is annoying to complain about no such frame 1
5632 header = (q3dheader_t *)buffer;
5634 i = LittleLong(header->version);
5635 if (i != Q3BSPVERSION)
5636 Host_Error("Mod_Q3BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q3BSPVERSION);
5637 mod->brush.ishlbsp = false;
5638 mod->brush.ismcbsp = false;
5639 if (loadmodel->isworldmodel)
5641 Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
5642 Cvar_SetValue("mcbsp", mod->brush.ismcbsp);
5645 mod->soundfromcenter = true;
5646 mod->TraceBox = Mod_Q3BSP_TraceBox;
5647 mod->brush.SuperContentsFromNativeContents = Mod_Q3BSP_SuperContentsFromNativeContents;
5648 mod->brush.NativeContentsFromSuperContents = Mod_Q3BSP_NativeContentsFromSuperContents;
5649 mod->brush.GetPVS = Mod_Q1BSP_GetPVS;
5650 mod->brush.FatPVS = Mod_Q1BSP_FatPVS;
5651 mod->brush.BoxTouchingPVS = Mod_Q1BSP_BoxTouchingPVS;
5652 mod->brush.BoxTouchingLeafPVS = Mod_Q1BSP_BoxTouchingLeafPVS;
5653 mod->brush.BoxTouchingVisibleLeafs = Mod_Q1BSP_BoxTouchingVisibleLeafs;
5654 mod->brush.FindBoxClusters = Mod_Q1BSP_FindBoxClusters;
5655 mod->brush.LightPoint = Mod_Q3BSP_LightPoint;
5656 mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
5657 mod->brush.PointInLeaf = Mod_Q1BSP_PointInLeaf;
5658 mod->Draw = R_Q1BSP_Draw;
5659 mod->GetLightInfo = R_Q1BSP_GetLightInfo;
5660 mod->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
5661 mod->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
5662 mod->DrawLight = R_Q1BSP_DrawLight;
5664 mod_base = (unsigned char *)header;
5666 // swap all the lumps
5667 header->ident = LittleLong(header->ident);
5668 header->version = LittleLong(header->version);
5669 for (i = 0;i < Q3HEADER_LUMPS;i++)
5671 header->lumps[i].fileofs = LittleLong(header->lumps[i].fileofs);
5672 header->lumps[i].filelen = LittleLong(header->lumps[i].filelen);
5675 mod->brush.qw_md4sum = 0;
5676 mod->brush.qw_md4sum2 = 0;
5677 for (i = 0;i < Q3HEADER_LUMPS;i++)
5679 if (i == Q3LUMP_ENTITIES)
5681 mod->brush.qw_md4sum ^= Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen);
5682 if (i == Q3LUMP_PVS || i == Q3LUMP_LEAFS || i == Q3LUMP_NODES)
5684 mod->brush.qw_md4sum2 ^= Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen);
5687 Mod_Q3BSP_LoadEntities(&header->lumps[Q3LUMP_ENTITIES]);
5688 Mod_Q3BSP_LoadTextures(&header->lumps[Q3LUMP_TEXTURES]);
5689 Mod_Q3BSP_LoadPlanes(&header->lumps[Q3LUMP_PLANES]);
5690 Mod_Q3BSP_LoadBrushSides(&header->lumps[Q3LUMP_BRUSHSIDES]);
5691 Mod_Q3BSP_LoadBrushes(&header->lumps[Q3LUMP_BRUSHES]);
5692 Mod_Q3BSP_LoadEffects(&header->lumps[Q3LUMP_EFFECTS]);
5693 Mod_Q3BSP_LoadVertices(&header->lumps[Q3LUMP_VERTICES]);
5694 Mod_Q3BSP_LoadTriangles(&header->lumps[Q3LUMP_TRIANGLES]);
5695 Mod_Q3BSP_LoadLightmaps(&header->lumps[Q3LUMP_LIGHTMAPS]);
5696 Mod_Q3BSP_LoadFaces(&header->lumps[Q3LUMP_FACES]);
5697 Mod_Q3BSP_LoadModels(&header->lumps[Q3LUMP_MODELS]);
5698 Mod_Q3BSP_LoadLeafBrushes(&header->lumps[Q3LUMP_LEAFBRUSHES]);
5699 Mod_Q3BSP_LoadLeafFaces(&header->lumps[Q3LUMP_LEAFFACES]);
5700 Mod_Q3BSP_LoadLeafs(&header->lumps[Q3LUMP_LEAFS]);
5701 Mod_Q3BSP_LoadNodes(&header->lumps[Q3LUMP_NODES]);
5702 Mod_Q3BSP_LoadLightGrid(&header->lumps[Q3LUMP_LIGHTGRID]);
5703 Mod_Q3BSP_LoadPVS(&header->lumps[Q3LUMP_PVS]);
5704 loadmodel->brush.numsubmodels = loadmodel->brushq3.num_models;
5706 // the MakePortals code works fine on the q3bsp data as well
5707 Mod_Q1BSP_MakePortals();
5709 // make a single combined shadow mesh to allow optimized shadow volume creation
5710 numshadowmeshtriangles = 0;
5711 for (j = 0, surface = loadmodel->data_surfaces;j < loadmodel->num_surfaces;j++, surface++)
5713 surface->num_firstshadowmeshtriangle = numshadowmeshtriangles;
5714 numshadowmeshtriangles += surface->num_triangles;
5716 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Begin(loadmodel->mempool, numshadowmeshtriangles * 3, numshadowmeshtriangles, NULL, NULL, NULL, false, false, true);
5717 for (j = 0, surface = loadmodel->data_surfaces;j < loadmodel->num_surfaces;j++, surface++)
5718 if (surface->num_triangles > 0)
5719 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));
5720 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Finish(loadmodel->mempool, loadmodel->brush.shadowmesh, false, true);
5721 Mod_BuildTriangleNeighbors(loadmodel->brush.shadowmesh->neighbor3i, loadmodel->brush.shadowmesh->element3i, loadmodel->brush.shadowmesh->numtriangles);
5723 loadmodel->brush.num_leafs = 0;
5724 Mod_Q3BSP_RecursiveFindNumLeafs(loadmodel->brush.data_nodes);
5726 if (loadmodel->isworldmodel)
5728 // clear out any stale submodels or worldmodels lying around
5729 // if we did this clear before now, an error might abort loading and
5730 // leave things in a bad state
5731 Mod_RemoveStaleWorldModels(loadmodel);
5735 for (i = 0;i < loadmodel->brush.numsubmodels;i++)
5740 // LordHavoc: only register submodels if it is the world
5741 // (prevents external bsp models from replacing world submodels with
5743 if (!loadmodel->isworldmodel)
5745 // duplicate the basic information
5746 sprintf(name, "*%i", i);
5747 mod = Mod_FindName(name);
5749 strcpy(mod->name, name);
5750 // textures and memory belong to the main model
5751 mod->texturepool = NULL;
5752 mod->mempool = NULL;
5753 mod->brush.GetPVS = NULL;
5754 mod->brush.FatPVS = NULL;
5755 mod->brush.BoxTouchingPVS = NULL;
5756 mod->brush.BoxTouchingLeafPVS = NULL;
5757 mod->brush.BoxTouchingVisibleLeafs = NULL;
5758 mod->brush.FindBoxClusters = NULL;
5759 mod->brush.LightPoint = NULL;
5760 mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
5762 mod->brush.submodel = i;
5764 // make the model surface list (used by shadowing/lighting)
5765 mod->firstmodelsurface = mod->brushq3.data_models[i].firstface;
5766 mod->nummodelsurfaces = mod->brushq3.data_models[i].numfaces;
5767 mod->firstmodelbrush = mod->brushq3.data_models[i].firstbrush;
5768 mod->nummodelbrushes = mod->brushq3.data_models[i].numbrushes;
5769 mod->surfacelist = (int *)Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->surfacelist));
5770 for (j = 0;j < mod->nummodelsurfaces;j++)
5771 mod->surfacelist[j] = mod->firstmodelsurface + j;
5773 VectorCopy(mod->brushq3.data_models[i].mins, mod->normalmins);
5774 VectorCopy(mod->brushq3.data_models[i].maxs, mod->normalmaxs);
5775 corner[0] = max(fabs(mod->normalmins[0]), fabs(mod->normalmaxs[0]));
5776 corner[1] = max(fabs(mod->normalmins[1]), fabs(mod->normalmaxs[1]));
5777 corner[2] = max(fabs(mod->normalmins[2]), fabs(mod->normalmaxs[2]));
5778 modelradius = sqrt(corner[0]*corner[0]+corner[1]*corner[1]+corner[2]*corner[2]);
5779 yawradius = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
5780 mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius;
5781 mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
5782 mod->yawmaxs[0] = mod->yawmaxs[1] = yawradius;
5783 mod->yawmins[0] = mod->yawmins[1] = -yawradius;
5784 mod->yawmins[2] = mod->normalmins[2];
5785 mod->yawmaxs[2] = mod->normalmaxs[2];
5786 mod->radius = modelradius;
5787 mod->radius2 = modelradius * modelradius;
5789 for (j = 0;j < mod->nummodelsurfaces;j++)
5790 if (mod->data_surfaces[j + mod->firstmodelsurface].texture->surfaceflags & Q3SURFACEFLAG_SKY)
5792 if (j < mod->nummodelsurfaces)
5793 mod->DrawSky = R_Q1BSP_DrawSky;
5797 void Mod_IBSP_Load(model_t *mod, void *buffer, void *bufferend)
5799 int i = LittleLong(((int *)buffer)[1]);
5800 if (i == Q3BSPVERSION)
5801 Mod_Q3BSP_Load(mod,buffer, bufferend);
5802 else if (i == Q2BSPVERSION)
5803 Mod_Q2BSP_Load(mod,buffer, bufferend);
5805 Host_Error("Mod_IBSP_Load: unknown/unsupported version %i", i);
5808 void Mod_MAP_Load(model_t *mod, void *buffer, void *bufferend)
5810 Host_Error("Mod_MAP_Load: not yet implemented");