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 strlcpy(tx->name, "NO TEXTURE FOUND", sizeof(tx->name));
1262 tx->numskinframes = 1;
1263 tx->skinframerate = 1;
1264 tx->currentskinframe = tx->skinframes;
1265 tx->skinframes[0].base = r_texture_notexture;
1266 tx->basematerialflags = 0;
1267 if (i == loadmodel->num_textures - 1)
1269 tx->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_LIGHTBOTHSIDES;
1270 tx->supercontents = mod_q1bsp_texture_water.supercontents;
1271 tx->surfaceflags = mod_q1bsp_texture_water.surfaceflags;
1275 tx->basematerialflags |= MATERIALFLAG_WALL;
1276 tx->supercontents = mod_q1bsp_texture_solid.supercontents;
1277 tx->surfaceflags = mod_q1bsp_texture_solid.surfaceflags;
1279 tx->currentframe = tx;
1285 s = loadmodel->name;
1286 if (!strncasecmp(s, "maps/", 5))
1288 FS_StripExtension(s, mapname, sizeof(mapname));
1290 // just to work around bounds checking when debugging with it (array index out of bounds error thing)
1292 // LordHavoc: mostly rewritten map texture loader
1293 for (i = 0;i < m->nummiptex;i++)
1295 dofs[i] = LittleLong(dofs[i]);
1296 if (dofs[i] == -1 || r_nosurftextures.integer)
1298 dmiptex = (miptex_t *)((unsigned char *)m + dofs[i]);
1300 // make sure name is no more than 15 characters
1301 for (j = 0;dmiptex->name[j] && j < 15;j++)
1302 name[j] = dmiptex->name[j];
1305 mtwidth = LittleLong(dmiptex->width);
1306 mtheight = LittleLong(dmiptex->height);
1308 j = LittleLong(dmiptex->offsets[0]);
1312 if (j < 40 || j + mtwidth * mtheight > l->filelen)
1314 Con_Printf("Texture \"%s\" in \"%s\"is corrupt or incomplete\n", dmiptex->name, loadmodel->name);
1317 mtdata = (unsigned char *)dmiptex + j;
1320 if ((mtwidth & 15) || (mtheight & 15))
1321 Con_Printf("warning: texture \"%s\" in \"%s\" is not 16 aligned\n", dmiptex->name, loadmodel->name);
1323 // LordHavoc: force all names to lowercase
1324 for (j = 0;name[j];j++)
1325 if (name[j] >= 'A' && name[j] <= 'Z')
1326 name[j] += 'a' - 'A';
1328 tx = loadmodel->data_textures + i;
1329 strlcpy(tx->name, name, sizeof(tx->name));
1330 tx->width = mtwidth;
1331 tx->height = mtheight;
1335 sprintf(tx->name, "unnamed%i", i);
1336 Con_Printf("warning: unnamed texture in %s, renaming to %s\n", loadmodel->name, tx->name);
1339 if (cls.state != ca_dedicated)
1341 // LordHavoc: HL sky textures are entirely different than quake
1342 if (!loadmodel->brush.ishlbsp && !strncmp(tx->name, "sky", 3) && mtwidth == 256 && mtheight == 128)
1344 if (loadmodel->isworldmodel)
1346 data = loadimagepixels(tx->name, false, 0, 0);
1349 R_Q1BSP_LoadSplitSky(data, image_width, image_height, 4);
1352 else if (mtdata != NULL)
1353 R_Q1BSP_LoadSplitSky(mtdata, mtwidth, mtheight, 1);
1358 if (!Mod_LoadSkinFrame(&tx->skinframes[0], gamemode == GAME_TENEBRAE ? tx->name : va("textures/%s/%s", mapname, tx->name), TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, false, true)
1359 && !Mod_LoadSkinFrame(&tx->skinframes[0], gamemode == GAME_TENEBRAE ? tx->name : va("textures/%s", tx->name), TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, false, true))
1361 // did not find external texture, load it from the bsp or wad3
1362 if (loadmodel->brush.ishlbsp)
1364 // internal texture overrides wad
1365 unsigned char *pixels, *freepixels;
1366 pixels = freepixels = NULL;
1368 pixels = W_ConvertWAD3Texture(dmiptex);
1370 pixels = freepixels = W_GetTexture(tx->name);
1373 tx->width = image_width;
1374 tx->height = image_height;
1375 Mod_LoadSkinFrame_Internal(&tx->skinframes[0], tx->name, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, false, false, pixels, image_width, image_height, 32, NULL, NULL);
1378 Mem_Free(freepixels);
1380 else if (mtdata) // texture included
1381 Mod_LoadSkinFrame_Internal(&tx->skinframes[0], tx->name, TEXF_MIPMAP | TEXF_PRECACHE | TEXF_PICMIP, false, r_fullbrights.integer, mtdata, tx->width, tx->height, 8, NULL, NULL);
1384 if (tx->skinframes[0].base == NULL)
1389 tx->skinframes[0].base = r_texture_notexture;
1393 tx->basematerialflags = 0;
1394 if (tx->name[0] == '*')
1396 // LordHavoc: some turbulent textures should not be affected by wateralpha
1397 if (strncmp(tx->name,"*lava",5)
1398 && strncmp(tx->name,"*teleport",9)
1399 && strncmp(tx->name,"*rift",5)) // Scourge of Armagon texture
1400 tx->basematerialflags |= MATERIALFLAG_WATERALPHA;
1401 if (!strncmp(tx->name, "*lava", 5))
1403 tx->supercontents = mod_q1bsp_texture_lava.supercontents;
1404 tx->surfaceflags = mod_q1bsp_texture_lava.surfaceflags;
1406 else if (!strncmp(tx->name, "*slime", 6))
1408 tx->supercontents = mod_q1bsp_texture_slime.supercontents;
1409 tx->surfaceflags = mod_q1bsp_texture_slime.surfaceflags;
1413 tx->supercontents = mod_q1bsp_texture_water.supercontents;
1414 tx->surfaceflags = mod_q1bsp_texture_water.surfaceflags;
1416 tx->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_LIGHTBOTHSIDES;
1418 else if (tx->name[0] == 's' && tx->name[1] == 'k' && tx->name[2] == 'y')
1420 tx->supercontents = mod_q1bsp_texture_sky.supercontents;
1421 tx->surfaceflags = mod_q1bsp_texture_sky.surfaceflags;
1422 tx->basematerialflags |= MATERIALFLAG_SKY;
1426 tx->supercontents = mod_q1bsp_texture_solid.supercontents;
1427 tx->surfaceflags = mod_q1bsp_texture_solid.surfaceflags;
1428 tx->basematerialflags |= MATERIALFLAG_WALL;
1430 if (tx->skinframes[0].fog)
1431 tx->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_TRANSPARENT;
1433 // start out with no animation
1434 tx->currentframe = tx;
1437 // sequence the animations
1438 for (i = 0;i < m->nummiptex;i++)
1440 tx = loadmodel->data_textures + i;
1441 if (!tx || tx->name[0] != '+' || tx->name[1] == 0 || tx->name[2] == 0)
1443 if (tx->anim_total[0] || tx->anim_total[1])
1444 continue; // already sequenced
1446 // find the number of frames in the animation
1447 memset(anims, 0, sizeof(anims));
1448 memset(altanims, 0, sizeof(altanims));
1450 for (j = i;j < m->nummiptex;j++)
1452 tx2 = loadmodel->data_textures + j;
1453 if (!tx2 || tx2->name[0] != '+' || strcmp(tx2->name+2, tx->name+2))
1457 if (num >= '0' && num <= '9')
1458 anims[num - '0'] = tx2;
1459 else if (num >= 'a' && num <= 'j')
1460 altanims[num - 'a'] = tx2;
1462 Con_Printf("Bad animating texture %s\n", tx->name);
1466 for (j = 0;j < 10;j++)
1473 //Con_Printf("linking animation %s (%i:%i frames)\n\n", tx->name, max, altmax);
1476 for (j = 0;j < max;j++)
1480 Con_Printf("Missing frame %i of %s\n", j, tx->name);
1484 for (j = 0;j < altmax;j++)
1488 Con_Printf("Missing altframe %i of %s\n", j, tx->name);
1497 // if there is no alternate animation, duplicate the primary
1498 // animation into the alternate
1500 for (k = 0;k < 10;k++)
1501 altanims[k] = anims[k];
1504 // link together the primary animation
1505 for (j = 0;j < max;j++)
1508 tx2->animated = true;
1509 tx2->anim_total[0] = max;
1510 tx2->anim_total[1] = altmax;
1511 for (k = 0;k < 10;k++)
1513 tx2->anim_frames[0][k] = anims[k];
1514 tx2->anim_frames[1][k] = altanims[k];
1518 // if there really is an alternate anim...
1519 if (anims[0] != altanims[0])
1521 // link together the alternate animation
1522 for (j = 0;j < altmax;j++)
1525 tx2->animated = true;
1526 // the primary/alternate are reversed here
1527 tx2->anim_total[0] = altmax;
1528 tx2->anim_total[1] = max;
1529 for (k = 0;k < 10;k++)
1531 tx2->anim_frames[0][k] = altanims[k];
1532 tx2->anim_frames[1][k] = anims[k];
1539 static void Mod_Q1BSP_LoadLighting(lump_t *l)
1542 unsigned char *in, *out, *data, d;
1543 char litfilename[MAX_QPATH];
1544 char dlitfilename[MAX_QPATH];
1545 fs_offset_t filesize;
1546 if (loadmodel->brush.ishlbsp) // LordHavoc: load the colored lighting data straight
1548 loadmodel->brushq1.lightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, l->filelen);
1549 for (i=0; i<l->filelen; i++)
1550 loadmodel->brushq1.lightdata[i] = mod_base[l->fileofs+i] >>= 1;
1552 else if (loadmodel->brush.ismcbsp)
1554 loadmodel->brushq1.lightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, l->filelen);
1555 memcpy(loadmodel->brushq1.lightdata, mod_base + l->fileofs, l->filelen);
1557 else // LordHavoc: bsp version 29 (normal white lighting)
1559 // LordHavoc: hope is not lost yet, check for a .lit file to load
1560 strlcpy (litfilename, loadmodel->name, sizeof (litfilename));
1561 FS_StripExtension (litfilename, litfilename, sizeof (litfilename));
1562 strlcpy (dlitfilename, litfilename, sizeof (dlitfilename));
1563 strlcat (litfilename, ".lit", sizeof (litfilename));
1564 strlcat (dlitfilename, ".dlit", sizeof (dlitfilename));
1565 data = (unsigned char*) FS_LoadFile(litfilename, tempmempool, false, &filesize);
1568 if (filesize == (fs_offset_t)(8 + l->filelen * 3) && data[0] == 'Q' && data[1] == 'L' && data[2] == 'I' && data[3] == 'T')
1570 i = LittleLong(((int *)data)[1]);
1573 Con_DPrintf("loaded %s\n", litfilename);
1574 loadmodel->brushq1.lightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, filesize - 8);
1575 memcpy(loadmodel->brushq1.lightdata, data + 8, filesize - 8);
1577 data = (unsigned char*) FS_LoadFile(dlitfilename, tempmempool, false, &filesize);
1580 if (filesize == (fs_offset_t)(8 + l->filelen * 3) && data[0] == 'Q' && data[1] == 'L' && data[2] == 'I' && data[3] == 'T')
1582 i = LittleLong(((int *)data)[1]);
1585 Con_DPrintf("loaded %s\n", dlitfilename);
1586 loadmodel->brushq1.nmaplightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, filesize - 8);
1587 memcpy(loadmodel->brushq1.nmaplightdata, data + 8, filesize - 8);
1588 loadmodel->brushq3.deluxemapping_modelspace = false;
1589 loadmodel->brushq3.deluxemapping = true;
1598 Con_Printf("Unknown .lit file version (%d)\n", i);
1600 else if (filesize == 8)
1601 Con_Print("Empty .lit file, ignoring\n");
1603 Con_Printf("Corrupt .lit file (file size %i bytes, should be %i bytes), ignoring\n", filesize, 8 + l->filelen * 3);
1610 // LordHavoc: oh well, expand the white lighting data
1613 loadmodel->brushq1.lightdata = (unsigned char *)Mem_Alloc(loadmodel->mempool, l->filelen*3);
1614 in = mod_base + l->fileofs;
1615 out = loadmodel->brushq1.lightdata;
1616 for (i = 0;i < l->filelen;i++)
1626 static void Mod_Q1BSP_LoadVisibility(lump_t *l)
1628 loadmodel->brushq1.num_compressedpvs = 0;
1629 loadmodel->brushq1.data_compressedpvs = NULL;
1632 loadmodel->brushq1.num_compressedpvs = l->filelen;
1633 loadmodel->brushq1.data_compressedpvs = (unsigned char *)Mem_Alloc(loadmodel->mempool, l->filelen);
1634 memcpy(loadmodel->brushq1.data_compressedpvs, mod_base + l->fileofs, l->filelen);
1637 // used only for HalfLife maps
1638 static void Mod_Q1BSP_ParseWadsFromEntityLump(const char *data)
1640 char key[128], value[4096];
1645 if (!COM_ParseTokenConsole(&data))
1647 if (com_token[0] != '{')
1651 if (!COM_ParseTokenConsole(&data))
1653 if (com_token[0] == '}')
1654 break; // end of worldspawn
1655 if (com_token[0] == '_')
1656 strlcpy(key, com_token + 1, sizeof(key));
1658 strlcpy(key, com_token, sizeof(key));
1659 while (key[strlen(key)-1] == ' ') // remove trailing spaces
1660 key[strlen(key)-1] = 0;
1661 if (!COM_ParseTokenConsole(&data))
1663 dpsnprintf(value, sizeof(value), "%s", com_token);
1664 if (!strcmp("wad", key)) // for HalfLife maps
1666 if (loadmodel->brush.ishlbsp)
1669 for (i = 0;i < (int)sizeof(value);i++)
1670 if (value[i] != ';' && value[i] != '\\' && value[i] != '/' && value[i] != ':')
1674 for (;i < (int)sizeof(value);i++)
1676 // ignore path - the \\ check is for HalfLife... stupid windoze 'programmers'...
1677 if (value[i] == '\\' || value[i] == '/' || value[i] == ':')
1679 else if (value[i] == ';' || value[i] == 0)
1683 strlcpy(wadname, "textures/", sizeof(wadname));
1684 strlcat(wadname, &value[j], sizeof(wadname));
1685 W_LoadTextureWadFile(wadname, false);
1697 static void Mod_Q1BSP_LoadEntities(lump_t *l)
1699 loadmodel->brush.entities = NULL;
1702 loadmodel->brush.entities = (char *)Mem_Alloc(loadmodel->mempool, l->filelen);
1703 memcpy(loadmodel->brush.entities, mod_base + l->fileofs, l->filelen);
1704 if (loadmodel->brush.ishlbsp)
1705 Mod_Q1BSP_ParseWadsFromEntityLump(loadmodel->brush.entities);
1709 static void Mod_Q1BSP_LoadVertexes(lump_t *l)
1715 in = (dvertex_t *)(mod_base + l->fileofs);
1716 if (l->filelen % sizeof(*in))
1717 Host_Error("Mod_Q1BSP_LoadVertexes: funny lump size in %s",loadmodel->name);
1718 count = l->filelen / sizeof(*in);
1719 out = (mvertex_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
1721 loadmodel->brushq1.vertexes = out;
1722 loadmodel->brushq1.numvertexes = count;
1724 for ( i=0 ; i<count ; i++, in++, out++)
1726 out->position[0] = LittleFloat(in->point[0]);
1727 out->position[1] = LittleFloat(in->point[1]);
1728 out->position[2] = LittleFloat(in->point[2]);
1732 // The following two functions should be removed and MSG_* or SZ_* function sets adjusted so they
1733 // can be used for this
1735 int SB_ReadInt (unsigned char **buffer)
1738 i = ((*buffer)[0]) + 256*((*buffer)[1]) + 65536*((*buffer)[2]) + 16777216*((*buffer)[3]);
1744 float SB_ReadFloat (unsigned char **buffer)
1752 u.i = SB_ReadInt (buffer);
1756 static void Mod_Q1BSP_LoadSubmodels(lump_t *l, hullinfo_t *hullinfo)
1758 unsigned char *index;
1762 index = (unsigned char *)(mod_base + l->fileofs);
1763 if (l->filelen % (48+4*hullinfo->filehulls))
1764 Host_Error ("Mod_Q1BSP_LoadSubmodels: funny lump size in %s", loadmodel->name);
1766 count = l->filelen / (48+4*hullinfo->filehulls);
1767 out = (dmodel_t *)Mem_Alloc (loadmodel->mempool, count*sizeof(*out));
1769 loadmodel->brushq1.submodels = out;
1770 loadmodel->brush.numsubmodels = count;
1772 for (i = 0; i < count; i++, out++)
1774 // spread out the mins / maxs by a pixel
1775 out->mins[0] = SB_ReadFloat (&index) - 1;
1776 out->mins[1] = SB_ReadFloat (&index) - 1;
1777 out->mins[2] = SB_ReadFloat (&index) - 1;
1778 out->maxs[0] = SB_ReadFloat (&index) + 1;
1779 out->maxs[1] = SB_ReadFloat (&index) + 1;
1780 out->maxs[2] = SB_ReadFloat (&index) + 1;
1781 out->origin[0] = SB_ReadFloat (&index);
1782 out->origin[1] = SB_ReadFloat (&index);
1783 out->origin[2] = SB_ReadFloat (&index);
1784 for (j = 0; j < hullinfo->filehulls; j++)
1785 out->headnode[j] = SB_ReadInt (&index);
1786 out->visleafs = SB_ReadInt (&index);
1787 out->firstface = SB_ReadInt (&index);
1788 out->numfaces = SB_ReadInt (&index);
1792 static void Mod_Q1BSP_LoadEdges(lump_t *l)
1798 in = (dedge_t *)(mod_base + l->fileofs);
1799 if (l->filelen % sizeof(*in))
1800 Host_Error("Mod_Q1BSP_LoadEdges: funny lump size in %s",loadmodel->name);
1801 count = l->filelen / sizeof(*in);
1802 out = (medge_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
1804 loadmodel->brushq1.edges = out;
1805 loadmodel->brushq1.numedges = count;
1807 for ( i=0 ; i<count ; i++, in++, out++)
1809 out->v[0] = (unsigned short)LittleShort(in->v[0]);
1810 out->v[1] = (unsigned short)LittleShort(in->v[1]);
1811 if (out->v[0] >= loadmodel->brushq1.numvertexes || out->v[1] >= loadmodel->brushq1.numvertexes)
1813 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);
1820 static void Mod_Q1BSP_LoadTexinfo(lump_t *l)
1824 int i, j, k, count, miptex;
1826 in = (texinfo_t *)(mod_base + l->fileofs);
1827 if (l->filelen % sizeof(*in))
1828 Host_Error("Mod_Q1BSP_LoadTexinfo: funny lump size in %s",loadmodel->name);
1829 count = l->filelen / sizeof(*in);
1830 out = (mtexinfo_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
1832 loadmodel->brushq1.texinfo = out;
1833 loadmodel->brushq1.numtexinfo = count;
1835 for (i = 0;i < count;i++, in++, out++)
1837 for (k = 0;k < 2;k++)
1838 for (j = 0;j < 4;j++)
1839 out->vecs[k][j] = LittleFloat(in->vecs[k][j]);
1841 miptex = LittleLong(in->miptex);
1842 out->flags = LittleLong(in->flags);
1844 out->texture = NULL;
1845 if (loadmodel->data_textures)
1847 if ((unsigned int) miptex >= (unsigned int) loadmodel->num_textures)
1848 Con_Printf("error in model \"%s\": invalid miptex index %i(of %i)\n", loadmodel->name, miptex, loadmodel->num_textures);
1850 out->texture = loadmodel->data_textures + miptex;
1852 if (out->flags & TEX_SPECIAL)
1854 // if texture chosen is NULL or the shader needs a lightmap,
1855 // force to notexture water shader
1856 if (out->texture == NULL || out->texture->basematerialflags & MATERIALFLAG_WALL)
1857 out->texture = loadmodel->data_textures + (loadmodel->num_textures - 1);
1861 // if texture chosen is NULL, force to notexture
1862 if (out->texture == NULL)
1863 out->texture = loadmodel->data_textures + (loadmodel->num_textures - 2);
1869 void BoundPoly(int numverts, float *verts, vec3_t mins, vec3_t maxs)
1874 mins[0] = mins[1] = mins[2] = 9999;
1875 maxs[0] = maxs[1] = maxs[2] = -9999;
1877 for (i = 0;i < numverts;i++)
1879 for (j = 0;j < 3;j++, v++)
1889 #define MAX_SUBDIVPOLYTRIANGLES 4096
1890 #define MAX_SUBDIVPOLYVERTS(MAX_SUBDIVPOLYTRIANGLES * 3)
1892 static int subdivpolyverts, subdivpolytriangles;
1893 static int subdivpolyindex[MAX_SUBDIVPOLYTRIANGLES][3];
1894 static float subdivpolyvert[MAX_SUBDIVPOLYVERTS][3];
1896 static int subdivpolylookupvert(vec3_t v)
1899 for (i = 0;i < subdivpolyverts;i++)
1900 if (subdivpolyvert[i][0] == v[0]
1901 && subdivpolyvert[i][1] == v[1]
1902 && subdivpolyvert[i][2] == v[2])
1904 if (subdivpolyverts >= MAX_SUBDIVPOLYVERTS)
1905 Host_Error("SubDividePolygon: ran out of vertices in buffer, please increase your r_subdivide_size");
1906 VectorCopy(v, subdivpolyvert[subdivpolyverts]);
1907 return subdivpolyverts++;
1910 static void SubdividePolygon(int numverts, float *verts)
1912 int i, i1, i2, i3, f, b, c, p;
1913 vec3_t mins, maxs, front[256], back[256];
1914 float m, *pv, *cv, dist[256], frac;
1917 Host_Error("SubdividePolygon: ran out of verts in buffer");
1919 BoundPoly(numverts, verts, mins, maxs);
1921 for (i = 0;i < 3;i++)
1923 m = (mins[i] + maxs[i]) * 0.5;
1924 m = r_subdivide_size.value * floor(m/r_subdivide_size.value + 0.5);
1925 if (maxs[i] - m < 8)
1927 if (m - mins[i] < 8)
1931 for (cv = verts, c = 0;c < numverts;c++, cv += 3)
1932 dist[c] = cv[i] - m;
1935 for (p = numverts - 1, c = 0, pv = verts + p * 3, cv = verts;c < numverts;p = c, c++, pv = cv, cv += 3)
1939 VectorCopy(pv, front[f]);
1944 VectorCopy(pv, back[b]);
1947 if (dist[p] == 0 || dist[c] == 0)
1949 if ((dist[p] > 0) != (dist[c] > 0) )
1952 frac = dist[p] / (dist[p] - dist[c]);
1953 front[f][0] = back[b][0] = pv[0] + frac * (cv[0] - pv[0]);
1954 front[f][1] = back[b][1] = pv[1] + frac * (cv[1] - pv[1]);
1955 front[f][2] = back[b][2] = pv[2] + frac * (cv[2] - pv[2]);
1961 SubdividePolygon(f, front[0]);
1962 SubdividePolygon(b, back[0]);
1966 i1 = subdivpolylookupvert(verts);
1967 i2 = subdivpolylookupvert(verts + 3);
1968 for (i = 2;i < numverts;i++)
1970 if (subdivpolytriangles >= MAX_SUBDIVPOLYTRIANGLES)
1972 Con_Print("SubdividePolygon: ran out of triangles in buffer, please increase your r_subdivide_size\n");
1976 i3 = subdivpolylookupvert(verts + i * 3);
1977 subdivpolyindex[subdivpolytriangles][0] = i1;
1978 subdivpolyindex[subdivpolytriangles][1] = i2;
1979 subdivpolyindex[subdivpolytriangles][2] = i3;
1981 subdivpolytriangles++;
1985 //Breaks a polygon up along axial 64 unit
1986 //boundaries so that turbulent and sky warps
1987 //can be done reasonably.
1988 static void Mod_Q1BSP_GenerateWarpMesh(msurface_t *surface)
1994 subdivpolytriangles = 0;
1995 subdivpolyverts = 0;
1996 SubdividePolygon(surface->num_vertices, (surface->mesh->data_vertex3f + 3 * surface->num_firstvertex));
1997 if (subdivpolytriangles < 1)
1998 Host_Error("Mod_Q1BSP_GenerateWarpMesh: no triangles?");
2000 surface->mesh = mesh = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t) + subdivpolytriangles * sizeof(int[3]) + subdivpolyverts * sizeof(surfvertex_t));
2001 mesh->num_vertices = subdivpolyverts;
2002 mesh->num_triangles = subdivpolytriangles;
2003 mesh->vertex = (surfvertex_t *)(mesh + 1);
2004 mesh->index = (int *)(mesh->vertex + mesh->num_vertices);
2005 memset(mesh->vertex, 0, mesh->num_vertices * sizeof(surfvertex_t));
2007 for (i = 0;i < mesh->num_triangles;i++)
2008 for (j = 0;j < 3;j++)
2009 mesh->index[i*3+j] = subdivpolyindex[i][j];
2011 for (i = 0, v = mesh->vertex;i < subdivpolyverts;i++, v++)
2013 VectorCopy(subdivpolyvert[i], v->v);
2014 v->st[0] = DotProduct(v->v, surface->lightmapinfo->texinfo->vecs[0]);
2015 v->st[1] = DotProduct(v->v, surface->lightmapinfo->texinfo->vecs[1]);
2020 static qboolean Mod_Q1BSP_AllocLightmapBlock(int *lineused, int totalwidth, int totalheight, int blockwidth, int blockheight, int *outx, int *outy)
2023 int bestx = totalwidth, besty = 0;
2024 // find the left-most space we can find
2025 for (y = 0;y <= totalheight - blockheight;y++)
2028 for (y2 = 0;y2 < blockheight;y2++)
2029 x2 = max(x2, lineused[y+y2]);
2036 // if the best was not good enough, return failure
2037 if (bestx > totalwidth - blockwidth)
2039 // we found a good spot
2044 // now mark the space used
2045 for (y2 = 0;y2 < blockheight;y2++)
2046 lineused[besty+y2] = bestx + blockwidth;
2051 static void Mod_Q1BSP_LoadFaces(lump_t *l)
2054 msurface_t *surface;
2055 int i, j, count, surfacenum, planenum, smax, tmax, ssize, tsize, firstedge, numedges, totalverts, totaltris, lightmapnumber;
2056 float texmins[2], texmaxs[2], val, lightmaptexcoordscale;
2057 #define LIGHTMAPSIZE 256
2058 rtexture_t *lightmaptexture, *deluxemaptexture;
2059 int lightmap_lineused[LIGHTMAPSIZE];
2061 in = (dface_t *)(mod_base + l->fileofs);
2062 if (l->filelen % sizeof(*in))
2063 Host_Error("Mod_Q1BSP_LoadFaces: funny lump size in %s",loadmodel->name);
2064 count = l->filelen / sizeof(*in);
2065 loadmodel->data_surfaces = (msurface_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(msurface_t));
2066 loadmodel->data_surfaces_lightmapinfo = (msurface_lightmapinfo_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(msurface_lightmapinfo_t));
2068 loadmodel->num_surfaces = count;
2072 for (surfacenum = 0, in = (dface_t *)(mod_base + l->fileofs);surfacenum < count;surfacenum++, in++)
2074 numedges = LittleShort(in->numedges);
2075 totalverts += numedges;
2076 totaltris += numedges - 2;
2079 Mod_AllocSurfMesh(loadmodel->mempool, totalverts, totaltris, true, false, false);
2081 lightmaptexture = NULL;
2082 deluxemaptexture = r_texture_blanknormalmap;
2084 lightmaptexcoordscale = 1.0f / (float)LIGHTMAPSIZE;
2088 for (surfacenum = 0, in = (dface_t *)(mod_base + l->fileofs), surface = loadmodel->data_surfaces;surfacenum < count;surfacenum++, in++, surface++)
2090 surface->lightmapinfo = loadmodel->data_surfaces_lightmapinfo + surfacenum;
2092 // FIXME: validate edges, texinfo, etc?
2093 firstedge = LittleLong(in->firstedge);
2094 numedges = LittleShort(in->numedges);
2095 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)
2096 Host_Error("Mod_Q1BSP_LoadFaces: invalid edge range (firstedge %i, numedges %i, model edges %i)", firstedge, numedges, loadmodel->brushq1.numsurfedges);
2097 i = LittleShort(in->texinfo);
2098 if ((unsigned int) i >= (unsigned int) loadmodel->brushq1.numtexinfo)
2099 Host_Error("Mod_Q1BSP_LoadFaces: invalid texinfo index %i(model has %i texinfos)", i, loadmodel->brushq1.numtexinfo);
2100 surface->lightmapinfo->texinfo = loadmodel->brushq1.texinfo + i;
2101 surface->texture = surface->lightmapinfo->texinfo->texture;
2103 planenum = LittleShort(in->planenum);
2104 if ((unsigned int) planenum >= (unsigned int) loadmodel->brush.num_planes)
2105 Host_Error("Mod_Q1BSP_LoadFaces: invalid plane index %i (model has %i planes)", planenum, loadmodel->brush.num_planes);
2107 //surface->flags = surface->texture->flags;
2108 //if (LittleShort(in->side))
2109 // surface->flags |= SURF_PLANEBACK;
2110 //surface->plane = loadmodel->brush.data_planes + planenum;
2112 surface->num_firstvertex = totalverts;
2113 surface->num_vertices = numedges;
2114 surface->num_firsttriangle = totaltris;
2115 surface->num_triangles = numedges - 2;
2116 totalverts += numedges;
2117 totaltris += numedges - 2;
2119 // convert edges back to a normal polygon
2120 for (i = 0;i < surface->num_vertices;i++)
2122 int lindex = loadmodel->brushq1.surfedges[firstedge + i];
2125 VectorCopy(loadmodel->brushq1.vertexes[loadmodel->brushq1.edges[lindex].v[0]].position, (loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3);
2127 VectorCopy(loadmodel->brushq1.vertexes[loadmodel->brushq1.edges[-lindex].v[1]].position, (loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3);
2128 s = DotProduct(((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3), surface->lightmapinfo->texinfo->vecs[0]) + surface->lightmapinfo->texinfo->vecs[0][3];
2129 t = DotProduct(((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3), surface->lightmapinfo->texinfo->vecs[1]) + surface->lightmapinfo->texinfo->vecs[1][3];
2130 (loadmodel->surfmesh.data_texcoordtexture2f + 2 * surface->num_firstvertex)[i * 2 + 0] = s / surface->texture->width;
2131 (loadmodel->surfmesh.data_texcoordtexture2f + 2 * surface->num_firstvertex)[i * 2 + 1] = t / surface->texture->height;
2132 (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 0] = 0;
2133 (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 1] = 0;
2134 (loadmodel->surfmesh.data_lightmapoffsets + surface->num_firstvertex)[i] = 0;
2137 for (i = 0;i < surface->num_triangles;i++)
2139 (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle)[i * 3 + 0] = 0 + surface->num_firstvertex;
2140 (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle)[i * 3 + 1] = i + 1 + surface->num_firstvertex;
2141 (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle)[i * 3 + 2] = i + 2 + surface->num_firstvertex;
2144 // compile additional data about the surface geometry
2145 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);
2146 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);
2147 BoxFromPoints(surface->mins, surface->maxs, surface->num_vertices, (loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex));
2149 // generate surface extents information
2150 texmins[0] = texmaxs[0] = DotProduct((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex), surface->lightmapinfo->texinfo->vecs[0]) + surface->lightmapinfo->texinfo->vecs[0][3];
2151 texmins[1] = texmaxs[1] = DotProduct((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex), surface->lightmapinfo->texinfo->vecs[1]) + surface->lightmapinfo->texinfo->vecs[1][3];
2152 for (i = 1;i < surface->num_vertices;i++)
2154 for (j = 0;j < 2;j++)
2156 val = DotProduct((loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + i * 3, surface->lightmapinfo->texinfo->vecs[j]) + surface->lightmapinfo->texinfo->vecs[j][3];
2157 texmins[j] = min(texmins[j], val);
2158 texmaxs[j] = max(texmaxs[j], val);
2161 for (i = 0;i < 2;i++)
2163 surface->lightmapinfo->texturemins[i] = (int) floor(texmins[i] / 16.0) * 16;
2164 surface->lightmapinfo->extents[i] = (int) ceil(texmaxs[i] / 16.0) * 16 - surface->lightmapinfo->texturemins[i];
2167 smax = surface->lightmapinfo->extents[0] >> 4;
2168 tmax = surface->lightmapinfo->extents[1] >> 4;
2169 ssize = (surface->lightmapinfo->extents[0] >> 4) + 1;
2170 tsize = (surface->lightmapinfo->extents[1] >> 4) + 1;
2173 for (i = 0;i < MAXLIGHTMAPS;i++)
2174 surface->lightmapinfo->styles[i] = in->styles[i];
2175 surface->lightmaptexture = NULL;
2176 surface->deluxemaptexture = r_texture_blanknormalmap;
2177 i = LittleLong(in->lightofs);
2180 surface->lightmapinfo->samples = NULL;
2181 // give non-lightmapped water a 1x white lightmap
2182 if ((surface->texture->basematerialflags & MATERIALFLAG_WATER) && (surface->lightmapinfo->texinfo->flags & TEX_SPECIAL) && ssize <= 256 && tsize <= 256)
2184 surface->lightmapinfo->samples = (unsigned char *)Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
2185 surface->lightmapinfo->styles[0] = 0;
2186 memset(surface->lightmapinfo->samples, 128, ssize * tsize * 3);
2189 else if (loadmodel->brush.ishlbsp) // LordHavoc: HalfLife map (bsp version 30)
2190 surface->lightmapinfo->samples = loadmodel->brushq1.lightdata + i;
2191 else // LordHavoc: white lighting (bsp version 29)
2193 surface->lightmapinfo->samples = loadmodel->brushq1.lightdata + (i * 3);
2194 if (loadmodel->brushq1.nmaplightdata)
2195 surface->lightmapinfo->nmapsamples = loadmodel->brushq1.nmaplightdata + (i * 3);
2198 // check if we should apply a lightmap to this
2199 if (!(surface->lightmapinfo->texinfo->flags & TEX_SPECIAL) || surface->lightmapinfo->samples)
2201 int i, iu, iv, lightmapx, lightmapy;
2202 float u, v, ubase, vbase, uscale, vscale;
2204 if (ssize > 256 || tsize > 256)
2205 Host_Error("Bad surface extents");
2206 // force lightmap upload on first time seeing the surface
2207 surface->cached_dlight = true;
2208 // stainmap for permanent marks on walls
2209 surface->lightmapinfo->stainsamples = (unsigned char *)Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
2211 memset(surface->lightmapinfo->stainsamples, 255, ssize * tsize * 3);
2213 // find a place for this lightmap
2214 if (!lightmaptexture || !Mod_Q1BSP_AllocLightmapBlock(lightmap_lineused, LIGHTMAPSIZE, LIGHTMAPSIZE, ssize, tsize, &lightmapx, &lightmapy))
2216 // could not find room, make a new lightmap
2217 lightmaptexture = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%i", lightmapnumber), LIGHTMAPSIZE, LIGHTMAPSIZE, NULL, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
2218 if (loadmodel->brushq1.nmaplightdata)
2219 deluxemaptexture = R_LoadTexture2D(loadmodel->texturepool, va("deluxemap%i", lightmapnumber), LIGHTMAPSIZE, LIGHTMAPSIZE, NULL, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
2221 memset(lightmap_lineused, 0, sizeof(lightmap_lineused));
2222 Mod_Q1BSP_AllocLightmapBlock(lightmap_lineused, LIGHTMAPSIZE, LIGHTMAPSIZE, ssize, tsize, &lightmapx, &lightmapy);
2225 surface->lightmaptexture = lightmaptexture;
2226 surface->deluxemaptexture = deluxemaptexture;
2227 surface->lightmapinfo->lightmaporigin[0] = lightmapx;
2228 surface->lightmapinfo->lightmaporigin[1] = lightmapy;
2230 ubase = lightmapx * lightmaptexcoordscale;
2231 vbase = lightmapy * lightmaptexcoordscale;
2232 uscale = lightmaptexcoordscale;
2233 vscale = lightmaptexcoordscale;
2235 for (i = 0;i < surface->num_vertices;i++)
2237 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);
2238 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);
2239 (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 0] = u * uscale + ubase;
2240 (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 1] = v * vscale + vbase;
2241 // LordHavoc: calc lightmap data offset for vertex lighting to use
2244 (loadmodel->surfmesh.data_lightmapoffsets + surface->num_firstvertex)[i] = (bound(0, iv, tmax) * ssize + bound(0, iu, smax)) * 3;
2250 static void Mod_Q1BSP_LoadNodes_RecursiveSetParent(mnode_t *node, mnode_t *parent)
2253 // Host_Error("Mod_Q1BSP_LoadNodes_RecursiveSetParent: runaway recursion");
2254 node->parent = parent;
2257 Mod_Q1BSP_LoadNodes_RecursiveSetParent(node->children[0], node);
2258 Mod_Q1BSP_LoadNodes_RecursiveSetParent(node->children[1], node);
2262 static void Mod_Q1BSP_LoadNodes(lump_t *l)
2268 in = (dnode_t *)(mod_base + l->fileofs);
2269 if (l->filelen % sizeof(*in))
2270 Host_Error("Mod_Q1BSP_LoadNodes: funny lump size in %s",loadmodel->name);
2271 count = l->filelen / sizeof(*in);
2272 out = (mnode_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
2274 loadmodel->brush.data_nodes = out;
2275 loadmodel->brush.num_nodes = count;
2277 for ( i=0 ; i<count ; i++, in++, out++)
2279 for (j=0 ; j<3 ; j++)
2281 out->mins[j] = LittleShort(in->mins[j]);
2282 out->maxs[j] = LittleShort(in->maxs[j]);
2285 p = LittleLong(in->planenum);
2286 out->plane = loadmodel->brush.data_planes + p;
2288 out->firstsurface = LittleShort(in->firstface);
2289 out->numsurfaces = LittleShort(in->numfaces);
2291 for (j=0 ; j<2 ; j++)
2293 p = LittleShort(in->children[j]);
2295 out->children[j] = loadmodel->brush.data_nodes + p;
2297 out->children[j] = (mnode_t *)(loadmodel->brush.data_leafs + (-1 - p));
2301 Mod_Q1BSP_LoadNodes_RecursiveSetParent(loadmodel->brush.data_nodes, NULL); // sets nodes and leafs
2304 static void Mod_Q1BSP_LoadLeafs(lump_t *l)
2310 in = (dleaf_t *)(mod_base + l->fileofs);
2311 if (l->filelen % sizeof(*in))
2312 Host_Error("Mod_Q1BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
2313 count = l->filelen / sizeof(*in);
2314 out = (mleaf_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
2316 loadmodel->brush.data_leafs = out;
2317 loadmodel->brush.num_leafs = count;
2318 // get visleafs from the submodel data
2319 loadmodel->brush.num_pvsclusters = loadmodel->brushq1.submodels[0].visleafs;
2320 loadmodel->brush.num_pvsclusterbytes = (loadmodel->brush.num_pvsclusters+7)>>3;
2321 loadmodel->brush.data_pvsclusters = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_pvsclusters * loadmodel->brush.num_pvsclusterbytes);
2322 memset(loadmodel->brush.data_pvsclusters, 0xFF, loadmodel->brush.num_pvsclusters * loadmodel->brush.num_pvsclusterbytes);
2324 for ( i=0 ; i<count ; i++, in++, out++)
2326 for (j=0 ; j<3 ; j++)
2328 out->mins[j] = LittleShort(in->mins[j]);
2329 out->maxs[j] = LittleShort(in->maxs[j]);
2332 // FIXME: this function could really benefit from some error checking
2334 out->contents = LittleLong(in->contents);
2336 out->firstleafsurface = loadmodel->brush.data_leafsurfaces + LittleShort(in->firstmarksurface);
2337 out->numleafsurfaces = LittleShort(in->nummarksurfaces);
2338 if (out->firstleafsurface < 0 || LittleShort(in->firstmarksurface) + out->numleafsurfaces > loadmodel->brush.num_leafsurfaces)
2340 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);
2341 out->firstleafsurface = NULL;
2342 out->numleafsurfaces = 0;
2345 out->clusterindex = i - 1;
2346 if (out->clusterindex >= loadmodel->brush.num_pvsclusters)
2347 out->clusterindex = -1;
2349 p = LittleLong(in->visofs);
2350 // ignore visofs errors on leaf 0 (solid)
2351 if (p >= 0 && out->clusterindex >= 0)
2353 if (p >= loadmodel->brushq1.num_compressedpvs)
2354 Con_Print("Mod_Q1BSP_LoadLeafs: invalid visofs\n");
2356 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);
2359 for (j = 0;j < 4;j++)
2360 out->ambient_sound_level[j] = in->ambient_level[j];
2362 // FIXME: Insert caustics here
2366 static void Mod_Q1BSP_LoadClipnodes(lump_t *l, hullinfo_t *hullinfo)
2368 dclipnode_t *in, *out;
2372 in = (dclipnode_t *)(mod_base + l->fileofs);
2373 if (l->filelen % sizeof(*in))
2374 Host_Error("Mod_Q1BSP_LoadClipnodes: funny lump size in %s",loadmodel->name);
2375 count = l->filelen / sizeof(*in);
2376 out = (dclipnode_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
2378 loadmodel->brushq1.clipnodes = out;
2379 loadmodel->brushq1.numclipnodes = count;
2381 for (i = 1; i < hullinfo->numhulls; i++)
2383 hull = &loadmodel->brushq1.hulls[i];
2384 hull->clipnodes = out;
2385 hull->firstclipnode = 0;
2386 hull->lastclipnode = count-1;
2387 hull->planes = loadmodel->brush.data_planes;
2388 hull->clip_mins[0] = hullinfo->hullsizes[i][0][0];
2389 hull->clip_mins[1] = hullinfo->hullsizes[i][0][1];
2390 hull->clip_mins[2] = hullinfo->hullsizes[i][0][2];
2391 hull->clip_maxs[0] = hullinfo->hullsizes[i][1][0];
2392 hull->clip_maxs[1] = hullinfo->hullsizes[i][1][1];
2393 hull->clip_maxs[2] = hullinfo->hullsizes[i][1][2];
2394 VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
2397 for (i=0 ; i<count ; i++, out++, in++)
2399 out->planenum = LittleLong(in->planenum);
2400 out->children[0] = LittleShort(in->children[0]);
2401 out->children[1] = LittleShort(in->children[1]);
2402 if (out->planenum < 0 || out->planenum >= loadmodel->brush.num_planes)
2403 Host_Error("Corrupt clipping hull(out of range planenum)");
2404 if (out->children[0] >= count || out->children[1] >= count)
2405 Host_Error("Corrupt clipping hull(out of range child)");
2409 //Duplicate the drawing hull structure as a clipping hull
2410 static void Mod_Q1BSP_MakeHull0(void)
2417 hull = &loadmodel->brushq1.hulls[0];
2419 in = loadmodel->brush.data_nodes;
2420 out = (dclipnode_t *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_nodes * sizeof(dclipnode_t));
2422 hull->clipnodes = out;
2423 hull->firstclipnode = 0;
2424 hull->lastclipnode = loadmodel->brush.num_nodes - 1;
2425 hull->planes = loadmodel->brush.data_planes;
2427 for (i = 0;i < loadmodel->brush.num_nodes;i++, out++, in++)
2429 out->planenum = in->plane - loadmodel->brush.data_planes;
2430 out->children[0] = in->children[0]->plane ? in->children[0] - loadmodel->brush.data_nodes : ((mleaf_t *)in->children[0])->contents;
2431 out->children[1] = in->children[1]->plane ? in->children[1] - loadmodel->brush.data_nodes : ((mleaf_t *)in->children[1])->contents;
2435 static void Mod_Q1BSP_LoadLeaffaces(lump_t *l)
2440 in = (short *)(mod_base + l->fileofs);
2441 if (l->filelen % sizeof(*in))
2442 Host_Error("Mod_Q1BSP_LoadLeaffaces: funny lump size in %s",loadmodel->name);
2443 loadmodel->brush.num_leafsurfaces = l->filelen / sizeof(*in);
2444 loadmodel->brush.data_leafsurfaces = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_leafsurfaces * sizeof(int));
2446 for (i = 0;i < loadmodel->brush.num_leafsurfaces;i++)
2448 j = (unsigned) LittleShort(in[i]);
2449 if (j >= loadmodel->num_surfaces)
2450 Host_Error("Mod_Q1BSP_LoadLeaffaces: bad surface number");
2451 loadmodel->brush.data_leafsurfaces[i] = j;
2455 static void Mod_Q1BSP_LoadSurfedges(lump_t *l)
2460 in = (int *)(mod_base + l->fileofs);
2461 if (l->filelen % sizeof(*in))
2462 Host_Error("Mod_Q1BSP_LoadSurfedges: funny lump size in %s",loadmodel->name);
2463 loadmodel->brushq1.numsurfedges = l->filelen / sizeof(*in);
2464 loadmodel->brushq1.surfedges = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.numsurfedges * sizeof(int));
2466 for (i = 0;i < loadmodel->brushq1.numsurfedges;i++)
2467 loadmodel->brushq1.surfedges[i] = LittleLong(in[i]);
2471 static void Mod_Q1BSP_LoadPlanes(lump_t *l)
2477 in = (dplane_t *)(mod_base + l->fileofs);
2478 if (l->filelen % sizeof(*in))
2479 Host_Error("Mod_Q1BSP_LoadPlanes: funny lump size in %s", loadmodel->name);
2481 loadmodel->brush.num_planes = l->filelen / sizeof(*in);
2482 loadmodel->brush.data_planes = out = (mplane_t *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_planes * sizeof(*out));
2484 for (i = 0;i < loadmodel->brush.num_planes;i++, in++, out++)
2486 out->normal[0] = LittleFloat(in->normal[0]);
2487 out->normal[1] = LittleFloat(in->normal[1]);
2488 out->normal[2] = LittleFloat(in->normal[2]);
2489 out->dist = LittleFloat(in->dist);
2495 static void Mod_Q1BSP_LoadMapBrushes(void)
2499 int submodel, numbrushes;
2500 qboolean firstbrush;
2501 char *text, *maptext;
2502 char mapfilename[MAX_QPATH];
2503 FS_StripExtension (loadmodel->name, mapfilename, sizeof (mapfilename));
2504 strlcat (mapfilename, ".map", sizeof (mapfilename));
2505 maptext = (unsigned char*) FS_LoadFile(mapfilename, tempmempool, false, NULL);
2509 if (!COM_ParseTokenConsole(&data))
2514 if (!COM_ParseTokenConsole(&data))
2516 if (com_token[0] != '{')
2522 brushes = Mem_Alloc(loadmodel->mempool, maxbrushes * sizeof(mbrush_t));
2525 if (!COM_ParseTokenConsole(&data))
2527 if (com_token[0] == '}')
2528 break; // end of entity
2529 if (com_token[0] == '{')
2536 if (submodel > loadmodel->brush.numsubmodels)
2538 Con_Printf("Mod_Q1BSP_LoadMapBrushes: .map has more submodels than .bsp!\n");
2542 model = loadmodel->brush.submodels[submodel];
2549 if (!COM_ParseTokenConsole(&data))
2551 if (com_token[0] == '}')
2552 break; // end of brush
2553 // each brush face should be this format:
2554 // ( x y z ) ( x y z ) ( x y z ) texture scroll_s scroll_t rotateangle scale_s scale_t
2555 // FIXME: support hl .map format
2556 for (pointnum = 0;pointnum < 3;pointnum++)
2558 COM_ParseTokenConsole(&data);
2559 for (componentnum = 0;componentnum < 3;componentnum++)
2561 COM_ParseTokenConsole(&data);
2562 point[pointnum][componentnum] = atof(com_token);
2564 COM_ParseTokenConsole(&data);
2566 COM_ParseTokenConsole(&data);
2567 strlcpy(facetexture, com_token, sizeof(facetexture));
2568 COM_ParseTokenConsole(&data);
2569 //scroll_s = atof(com_token);
2570 COM_ParseTokenConsole(&data);
2571 //scroll_t = atof(com_token);
2572 COM_ParseTokenConsole(&data);
2573 //rotate = atof(com_token);
2574 COM_ParseTokenConsole(&data);
2575 //scale_s = atof(com_token);
2576 COM_ParseTokenConsole(&data);
2577 //scale_t = atof(com_token);
2578 TriangleNormal(point[0], point[1], point[2], planenormal);
2579 VectorNormalizeDouble(planenormal);
2580 planedist = DotProduct(point[0], planenormal);
2581 //ChooseTexturePlane(planenormal, texturevector[0], texturevector[1]);
2591 #define MAX_PORTALPOINTS 64
2593 typedef struct portal_s
2596 mnode_t *nodes[2]; // [0] = front side of plane
2597 struct portal_s *next[2];
2599 double points[3*MAX_PORTALPOINTS];
2600 struct portal_s *chain; // all portals are linked into a list
2604 static portal_t *portalchain;
2611 static portal_t *AllocPortal(void)
2614 p = (portal_t *)Mem_Alloc(loadmodel->mempool, sizeof(portal_t));
2615 p->chain = portalchain;
2620 static void FreePortal(portal_t *p)
2625 static void Mod_Q1BSP_RecursiveRecalcNodeBBox(mnode_t *node)
2627 // process only nodes (leafs already had their box calculated)
2631 // calculate children first
2632 Mod_Q1BSP_RecursiveRecalcNodeBBox(node->children[0]);
2633 Mod_Q1BSP_RecursiveRecalcNodeBBox(node->children[1]);
2635 // make combined bounding box from children
2636 node->mins[0] = min(node->children[0]->mins[0], node->children[1]->mins[0]);
2637 node->mins[1] = min(node->children[0]->mins[1], node->children[1]->mins[1]);
2638 node->mins[2] = min(node->children[0]->mins[2], node->children[1]->mins[2]);
2639 node->maxs[0] = max(node->children[0]->maxs[0], node->children[1]->maxs[0]);
2640 node->maxs[1] = max(node->children[0]->maxs[1], node->children[1]->maxs[1]);
2641 node->maxs[2] = max(node->children[0]->maxs[2], node->children[1]->maxs[2]);
2644 static void Mod_Q1BSP_FinalizePortals(void)
2646 int i, j, numportals, numpoints;
2647 portal_t *p, *pnext;
2650 mleaf_t *leaf, *endleaf;
2652 // tally up portal and point counts and recalculate bounding boxes for all
2653 // leafs (because qbsp is very sloppy)
2654 leaf = loadmodel->brush.data_leafs;
2655 endleaf = leaf + loadmodel->brush.num_leafs;
2656 for (;leaf < endleaf;leaf++)
2658 VectorSet(leaf->mins, 2000000000, 2000000000, 2000000000);
2659 VectorSet(leaf->maxs, -2000000000, -2000000000, -2000000000);
2666 // note: this check must match the one below or it will usually corrupt memory
2667 // 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
2668 if (p->numpoints >= 3 && p->nodes[0] != p->nodes[1] && ((mleaf_t *)p->nodes[0])->clusterindex >= 0 && ((mleaf_t *)p->nodes[1])->clusterindex >= 0)
2671 numpoints += p->numpoints * 2;
2675 loadmodel->brush.data_portals = (mportal_t *)Mem_Alloc(loadmodel->mempool, numportals * sizeof(mportal_t) + numpoints * sizeof(mvertex_t));
2676 loadmodel->brush.num_portals = numportals;
2677 loadmodel->brush.data_portalpoints = (mvertex_t *)((unsigned char *) loadmodel->brush.data_portals + numportals * sizeof(mportal_t));
2678 loadmodel->brush.num_portalpoints = numpoints;
2679 // clear all leaf portal chains
2680 for (i = 0;i < loadmodel->brush.num_leafs;i++)
2681 loadmodel->brush.data_leafs[i].portals = NULL;
2682 // process all portals in the global portal chain, while freeing them
2683 portal = loadmodel->brush.data_portals;
2684 point = loadmodel->brush.data_portalpoints;
2691 if (p->numpoints >= 3 && p->nodes[0] != p->nodes[1])
2693 // note: this check must match the one above or it will usually corrupt memory
2694 // 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
2695 if (((mleaf_t *)p->nodes[0])->clusterindex >= 0 && ((mleaf_t *)p->nodes[1])->clusterindex >= 0)
2697 // first make the back to front portal(forward portal)
2698 portal->points = point;
2699 portal->numpoints = p->numpoints;
2700 portal->plane.dist = p->plane.dist;
2701 VectorCopy(p->plane.normal, portal->plane.normal);
2702 portal->here = (mleaf_t *)p->nodes[1];
2703 portal->past = (mleaf_t *)p->nodes[0];
2705 for (j = 0;j < portal->numpoints;j++)
2707 VectorCopy(p->points + j*3, point->position);
2710 BoxFromPoints(portal->mins, portal->maxs, portal->numpoints, portal->points->position);
2711 PlaneClassify(&portal->plane);
2713 // link into leaf's portal chain
2714 portal->next = portal->here->portals;
2715 portal->here->portals = portal;
2717 // advance to next portal
2720 // then make the front to back portal(backward portal)
2721 portal->points = point;
2722 portal->numpoints = p->numpoints;
2723 portal->plane.dist = -p->plane.dist;
2724 VectorNegate(p->plane.normal, portal->plane.normal);
2725 portal->here = (mleaf_t *)p->nodes[0];
2726 portal->past = (mleaf_t *)p->nodes[1];
2728 for (j = portal->numpoints - 1;j >= 0;j--)
2730 VectorCopy(p->points + j*3, point->position);
2733 BoxFromPoints(portal->mins, portal->maxs, portal->numpoints, portal->points->position);
2734 PlaneClassify(&portal->plane);
2736 // link into leaf's portal chain
2737 portal->next = portal->here->portals;
2738 portal->here->portals = portal;
2740 // advance to next portal
2743 // add the portal's polygon points to the leaf bounding boxes
2744 for (i = 0;i < 2;i++)
2746 leaf = (mleaf_t *)p->nodes[i];
2747 for (j = 0;j < p->numpoints;j++)
2749 if (leaf->mins[0] > p->points[j*3+0]) leaf->mins[0] = p->points[j*3+0];
2750 if (leaf->mins[1] > p->points[j*3+1]) leaf->mins[1] = p->points[j*3+1];
2751 if (leaf->mins[2] > p->points[j*3+2]) leaf->mins[2] = p->points[j*3+2];
2752 if (leaf->maxs[0] < p->points[j*3+0]) leaf->maxs[0] = p->points[j*3+0];
2753 if (leaf->maxs[1] < p->points[j*3+1]) leaf->maxs[1] = p->points[j*3+1];
2754 if (leaf->maxs[2] < p->points[j*3+2]) leaf->maxs[2] = p->points[j*3+2];
2761 // now recalculate the node bounding boxes from the leafs
2762 Mod_Q1BSP_RecursiveRecalcNodeBBox(loadmodel->brush.data_nodes);
2770 static void AddPortalToNodes(portal_t *p, mnode_t *front, mnode_t *back)
2773 Host_Error("AddPortalToNodes: NULL front node");
2775 Host_Error("AddPortalToNodes: NULL back node");
2776 if (p->nodes[0] || p->nodes[1])
2777 Host_Error("AddPortalToNodes: already included");
2778 // 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
2780 p->nodes[0] = front;
2781 p->next[0] = (portal_t *)front->portals;
2782 front->portals = (mportal_t *)p;
2785 p->next[1] = (portal_t *)back->portals;
2786 back->portals = (mportal_t *)p;
2791 RemovePortalFromNode
2794 static void RemovePortalFromNodes(portal_t *portal)
2798 void **portalpointer;
2800 for (i = 0;i < 2;i++)
2802 node = portal->nodes[i];
2804 portalpointer = (void **) &node->portals;
2807 t = (portal_t *)*portalpointer;
2809 Host_Error("RemovePortalFromNodes: portal not in leaf");
2813 if (portal->nodes[0] == node)
2815 *portalpointer = portal->next[0];
2816 portal->nodes[0] = NULL;
2818 else if (portal->nodes[1] == node)
2820 *portalpointer = portal->next[1];
2821 portal->nodes[1] = NULL;
2824 Host_Error("RemovePortalFromNodes: portal not bounding leaf");
2828 if (t->nodes[0] == node)
2829 portalpointer = (void **) &t->next[0];
2830 else if (t->nodes[1] == node)
2831 portalpointer = (void **) &t->next[1];
2833 Host_Error("RemovePortalFromNodes: portal not bounding leaf");
2838 #define PORTAL_DIST_EPSILON (1.0 / 32.0)
2839 static void Mod_Q1BSP_RecursiveNodePortals(mnode_t *node)
2842 mnode_t *front, *back, *other_node;
2843 mplane_t clipplane, *plane;
2844 portal_t *portal, *nextportal, *nodeportal, *splitportal, *temp;
2845 int numfrontpoints, numbackpoints;
2846 double frontpoints[3*MAX_PORTALPOINTS], backpoints[3*MAX_PORTALPOINTS];
2848 // if a leaf, we're done
2852 plane = node->plane;
2854 front = node->children[0];
2855 back = node->children[1];
2857 Host_Error("Mod_Q1BSP_RecursiveNodePortals: corrupt node hierarchy");
2859 // create the new portal by generating a polygon for the node plane,
2860 // and clipping it by all of the other portals(which came from nodes above this one)
2861 nodeportal = AllocPortal();
2862 nodeportal->plane = *plane;
2864 // TODO: calculate node bounding boxes during recursion and calculate a maximum plane size accordingly to improve precision (as most maps do not need 1 billion unit plane polygons)
2865 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);
2866 nodeportal->numpoints = 4;
2867 side = 0; // shut up compiler warning
2868 for (portal = (portal_t *)node->portals;portal;portal = portal->next[side])
2870 clipplane = portal->plane;
2871 if (portal->nodes[0] == portal->nodes[1])
2872 Host_Error("Mod_Q1BSP_RecursiveNodePortals: portal has same node on both sides(1)");
2873 if (portal->nodes[0] == node)
2875 else if (portal->nodes[1] == node)
2877 clipplane.dist = -clipplane.dist;
2878 VectorNegate(clipplane.normal, clipplane.normal);
2882 Host_Error("Mod_Q1BSP_RecursiveNodePortals: mislinked portal");
2884 for (i = 0;i < nodeportal->numpoints*3;i++)
2885 frontpoints[i] = nodeportal->points[i];
2886 PolygonD_Divide(nodeportal->numpoints, frontpoints, clipplane.normal[0], clipplane.normal[1], clipplane.normal[2], clipplane.dist, PORTAL_DIST_EPSILON, MAX_PORTALPOINTS, nodeportal->points, &nodeportal->numpoints, 0, NULL, NULL, NULL);
2887 if (nodeportal->numpoints <= 0 || nodeportal->numpoints >= MAX_PORTALPOINTS)
2891 if (nodeportal->numpoints < 3)
2893 Con_Print("Mod_Q1BSP_RecursiveNodePortals: WARNING: new portal was clipped away\n");
2894 nodeportal->numpoints = 0;
2896 else if (nodeportal->numpoints >= MAX_PORTALPOINTS)
2898 Con_Print("Mod_Q1BSP_RecursiveNodePortals: WARNING: new portal has too many points\n");
2899 nodeportal->numpoints = 0;
2902 AddPortalToNodes(nodeportal, front, back);
2904 // split the portals of this node along this node's plane and assign them to the children of this node
2905 // (migrating the portals downward through the tree)
2906 for (portal = (portal_t *)node->portals;portal;portal = nextportal)
2908 if (portal->nodes[0] == portal->nodes[1])
2909 Host_Error("Mod_Q1BSP_RecursiveNodePortals: portal has same node on both sides(2)");
2910 if (portal->nodes[0] == node)
2912 else if (portal->nodes[1] == node)
2915 Host_Error("Mod_Q1BSP_RecursiveNodePortals: mislinked portal");
2916 nextportal = portal->next[side];
2917 if (!portal->numpoints)
2920 other_node = portal->nodes[!side];
2921 RemovePortalFromNodes(portal);
2923 // cut the portal into two portals, one on each side of the node plane
2924 PolygonD_Divide(portal->numpoints, portal->points, plane->normal[0], plane->normal[1], plane->normal[2], plane->dist, PORTAL_DIST_EPSILON, MAX_PORTALPOINTS, frontpoints, &numfrontpoints, MAX_PORTALPOINTS, backpoints, &numbackpoints, NULL);
2926 if (!numfrontpoints)
2929 AddPortalToNodes(portal, back, other_node);
2931 AddPortalToNodes(portal, other_node, back);
2937 AddPortalToNodes(portal, front, other_node);
2939 AddPortalToNodes(portal, other_node, front);
2943 // the portal is split
2944 splitportal = AllocPortal();
2945 temp = splitportal->chain;
2946 *splitportal = *portal;
2947 splitportal->chain = temp;
2948 for (i = 0;i < numbackpoints*3;i++)
2949 splitportal->points[i] = backpoints[i];
2950 splitportal->numpoints = numbackpoints;
2951 for (i = 0;i < numfrontpoints*3;i++)
2952 portal->points[i] = frontpoints[i];
2953 portal->numpoints = numfrontpoints;
2957 AddPortalToNodes(portal, front, other_node);
2958 AddPortalToNodes(splitportal, back, other_node);
2962 AddPortalToNodes(portal, other_node, front);
2963 AddPortalToNodes(splitportal, other_node, back);
2967 Mod_Q1BSP_RecursiveNodePortals(front);
2968 Mod_Q1BSP_RecursiveNodePortals(back);
2971 static void Mod_Q1BSP_MakePortals(void)
2974 Mod_Q1BSP_RecursiveNodePortals(loadmodel->brush.data_nodes);
2975 Mod_Q1BSP_FinalizePortals();
2978 static void Mod_Q1BSP_BuildLightmapUpdateChains(mempool_t *mempool, model_t *model)
2980 int i, j, stylecounts[256], totalcount, remapstyles[256];
2981 msurface_t *surface;
2982 memset(stylecounts, 0, sizeof(stylecounts));
2983 for (i = 0;i < model->nummodelsurfaces;i++)
2985 surface = model->data_surfaces + model->firstmodelsurface + i;
2986 for (j = 0;j < MAXLIGHTMAPS;j++)
2987 stylecounts[surface->lightmapinfo->styles[j]]++;
2990 model->brushq1.light_styles = 0;
2991 for (i = 0;i < 255;i++)
2995 remapstyles[i] = model->brushq1.light_styles++;
2996 totalcount += stylecounts[i] + 1;
3001 model->brushq1.light_style = (unsigned char *)Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(unsigned char));
3002 model->brushq1.light_stylevalue = (int *)Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(int));
3003 model->brushq1.light_styleupdatechains = (msurface_t ***)Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(msurface_t **));
3004 model->brushq1.light_styleupdatechainsbuffer = (msurface_t **)Mem_Alloc(mempool, totalcount * sizeof(msurface_t *));
3005 model->brushq1.light_styles = 0;
3006 for (i = 0;i < 255;i++)
3008 model->brushq1.light_style[model->brushq1.light_styles++] = i;
3010 for (i = 0;i < model->brushq1.light_styles;i++)
3012 model->brushq1.light_styleupdatechains[i] = model->brushq1.light_styleupdatechainsbuffer + j;
3013 j += stylecounts[model->brushq1.light_style[i]] + 1;
3015 for (i = 0;i < model->nummodelsurfaces;i++)
3017 surface = model->data_surfaces + model->firstmodelsurface + i;
3018 for (j = 0;j < MAXLIGHTMAPS;j++)
3019 if (surface->lightmapinfo->styles[j] != 255)
3020 *model->brushq1.light_styleupdatechains[remapstyles[surface->lightmapinfo->styles[j]]]++ = surface;
3023 for (i = 0;i < model->brushq1.light_styles;i++)
3025 *model->brushq1.light_styleupdatechains[i] = NULL;
3026 model->brushq1.light_styleupdatechains[i] = model->brushq1.light_styleupdatechainsbuffer + j;
3027 j += stylecounts[model->brushq1.light_style[i]] + 1;
3031 //Returns PVS data for a given point
3032 //(note: can return NULL)
3033 static unsigned char *Mod_Q1BSP_GetPVS(model_t *model, const vec3_t p)
3036 node = model->brush.data_nodes;
3038 node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct(p,node->plane->normal)) < node->plane->dist];
3039 if (((mleaf_t *)node)->clusterindex >= 0)
3040 return model->brush.data_pvsclusters + ((mleaf_t *)node)->clusterindex * model->brush.num_pvsclusterbytes;
3045 static void Mod_Q1BSP_FatPVS_RecursiveBSPNode(model_t *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbytes, mnode_t *node)
3049 float d = PlaneDiff(org, node->plane);
3051 node = node->children[0];
3052 else if (d < -radius)
3053 node = node->children[1];
3056 // go down both sides
3057 Mod_Q1BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, pvsbytes, node->children[0]);
3058 node = node->children[1];
3061 // if this leaf is in a cluster, accumulate the pvs bits
3062 if (((mleaf_t *)node)->clusterindex >= 0)
3065 unsigned char *pvs = model->brush.data_pvsclusters + ((mleaf_t *)node)->clusterindex * model->brush.num_pvsclusterbytes;
3066 for (i = 0;i < pvsbytes;i++)
3067 pvsbuffer[i] |= pvs[i];
3071 //Calculates a PVS that is the inclusive or of all leafs within radius pixels
3072 //of the given point.
3073 static int Mod_Q1BSP_FatPVS(model_t *model, const vec3_t org, vec_t radius, unsigned char *pvsbuffer, int pvsbufferlength)
3075 int bytes = model->brush.num_pvsclusterbytes;
3076 bytes = min(bytes, pvsbufferlength);
3077 if (r_novis.integer || !model->brush.num_pvsclusters || !Mod_Q1BSP_GetPVS(model, org))
3079 memset(pvsbuffer, 0xFF, bytes);
3082 memset(pvsbuffer, 0, bytes);
3083 Mod_Q1BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, bytes, model->brush.data_nodes);
3087 static void Mod_Q1BSP_RoundUpToHullSize(model_t *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs)
3092 VectorSubtract(inmaxs, inmins, size);
3093 if (cmodel->brush.ismcbsp)
3096 hull = &cmodel->brushq1.hulls[0]; // 0x0x0
3097 else if (size[2] < 48) // pick the nearest of 40 or 56
3098 hull = &cmodel->brushq1.hulls[2]; // 16x16x40
3100 hull = &cmodel->brushq1.hulls[1]; // 16x16x56
3102 else if (cmodel->brush.ishlbsp)
3105 hull = &cmodel->brushq1.hulls[0]; // 0x0x0
3106 else if (size[0] <= 32)
3108 if (size[2] < 54) // pick the nearest of 36 or 72
3109 hull = &cmodel->brushq1.hulls[3]; // 32x32x36
3111 hull = &cmodel->brushq1.hulls[1]; // 32x32x72
3114 hull = &cmodel->brushq1.hulls[2]; // 64x64x64
3119 hull = &cmodel->brushq1.hulls[0]; // 0x0x0
3120 else if (size[0] <= 32)
3121 hull = &cmodel->brushq1.hulls[1]; // 32x32x56
3123 hull = &cmodel->brushq1.hulls[2]; // 64x64x88
3125 VectorCopy(inmins, outmins);
3126 VectorAdd(inmins, hull->clip_size, outmaxs);
3129 void Mod_Q1BSP_Load(model_t *mod, void *buffer, void *bufferend)
3134 mempool_t *mainmempool;
3135 float dist, modelyawradius, modelradius, *vec;
3136 msurface_t *surface;
3137 int numshadowmeshtriangles;
3139 hullinfo_t hullinfo;
3141 mod->type = mod_brushq1;
3143 if (!memcmp (buffer, "MCBSPpad", 8))
3145 unsigned char *index;
3147 mod->brush.ismcbsp = true;
3148 mod->brush.ishlbsp = false;
3150 mod_base = (unsigned char*)buffer;
3154 i = SB_ReadInt (&index);
3155 if (i != MCBSPVERSION)
3156 Host_Error("Mod_Q1BSP_Load: %s has wrong version number(%i should be %i)", mod->name, i, MCBSPVERSION);
3159 hullinfo.numhulls = LittleLong(*(int*)index); index += 4;
3160 hullinfo.filehulls = hullinfo.numhulls;
3161 VectorClear (hullinfo.hullsizes[0][0]);
3162 VectorClear (hullinfo.hullsizes[0][1]);
3163 for (i = 1; i < hullinfo.numhulls; i++)
3165 hullinfo.hullsizes[i][0][0] = SB_ReadFloat (&index);
3166 hullinfo.hullsizes[i][0][1] = SB_ReadFloat (&index);
3167 hullinfo.hullsizes[i][0][2] = SB_ReadFloat (&index);
3168 hullinfo.hullsizes[i][1][0] = SB_ReadFloat (&index);
3169 hullinfo.hullsizes[i][1][1] = SB_ReadFloat (&index);
3170 hullinfo.hullsizes[i][1][2] = SB_ReadFloat (&index);
3174 _header.version = 0;
3175 for (i = 0; i < HEADER_LUMPS; i++)
3177 _header.lumps[i].fileofs = SB_ReadInt (&index);
3178 _header.lumps[i].filelen = SB_ReadInt (&index);
3185 header = (dheader_t *)buffer;
3187 i = LittleLong(header->version);
3188 if (i != BSPVERSION && i != 30)
3189 Host_Error("Mod_Q1BSP_Load: %s has wrong version number(%i should be %i(Quake) or 30(HalfLife)", mod->name, i, BSPVERSION);
3190 mod->brush.ishlbsp = i == 30;
3191 mod->brush.ismcbsp = false;
3193 // fill in hull info
3194 VectorClear (hullinfo.hullsizes[0][0]);
3195 VectorClear (hullinfo.hullsizes[0][1]);
3196 if (mod->brush.ishlbsp)
3198 hullinfo.numhulls = 4;
3199 hullinfo.filehulls = 4;
3200 VectorSet (hullinfo.hullsizes[1][0], -16, -16, -36);
3201 VectorSet (hullinfo.hullsizes[1][1], 16, 16, 36);
3202 VectorSet (hullinfo.hullsizes[2][0], -32, -32, -32);
3203 VectorSet (hullinfo.hullsizes[2][1], 32, 32, 32);
3204 VectorSet (hullinfo.hullsizes[3][0], -16, -16, -18);
3205 VectorSet (hullinfo.hullsizes[3][1], 16, 16, 18);
3209 hullinfo.numhulls = 3;
3210 hullinfo.filehulls = 4;
3211 VectorSet (hullinfo.hullsizes[1][0], -16, -16, -24);
3212 VectorSet (hullinfo.hullsizes[1][1], 16, 16, 32);
3213 VectorSet (hullinfo.hullsizes[2][0], -32, -32, -24);
3214 VectorSet (hullinfo.hullsizes[2][1], 32, 32, 64);
3218 mod_base = (unsigned char*)buffer;
3219 for (i = 0; i < HEADER_LUMPS; i++)
3221 header->lumps[i].fileofs = LittleLong(header->lumps[i].fileofs);
3222 header->lumps[i].filelen = LittleLong(header->lumps[i].filelen);
3226 mod->soundfromcenter = true;
3227 mod->TraceBox = Mod_Q1BSP_TraceBox;
3228 mod->brush.SuperContentsFromNativeContents = Mod_Q1BSP_SuperContentsFromNativeContents;
3229 mod->brush.NativeContentsFromSuperContents = Mod_Q1BSP_NativeContentsFromSuperContents;
3230 mod->brush.GetPVS = Mod_Q1BSP_GetPVS;
3231 mod->brush.FatPVS = Mod_Q1BSP_FatPVS;
3232 mod->brush.BoxTouchingPVS = Mod_Q1BSP_BoxTouchingPVS;
3233 mod->brush.BoxTouchingLeafPVS = Mod_Q1BSP_BoxTouchingLeafPVS;
3234 mod->brush.BoxTouchingVisibleLeafs = Mod_Q1BSP_BoxTouchingVisibleLeafs;
3235 mod->brush.FindBoxClusters = Mod_Q1BSP_FindBoxClusters;
3236 mod->brush.LightPoint = Mod_Q1BSP_LightPoint;
3237 mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
3238 mod->brush.AmbientSoundLevelsForPoint = Mod_Q1BSP_AmbientSoundLevelsForPoint;
3239 mod->brush.RoundUpToHullSize = Mod_Q1BSP_RoundUpToHullSize;
3240 mod->brush.PointInLeaf = Mod_Q1BSP_PointInLeaf;
3242 if (loadmodel->isworldmodel)
3244 Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
3245 Cvar_SetValue("mcbsp", mod->brush.ismcbsp);
3250 // store which lightmap format to use
3251 mod->brushq1.lightmaprgba = r_lightmaprgba.integer;
3253 mod->brush.qw_md4sum = 0;
3254 mod->brush.qw_md4sum2 = 0;
3255 for (i = 0;i < HEADER_LUMPS;i++)
3257 if (i == LUMP_ENTITIES)
3259 mod->brush.qw_md4sum ^= LittleLong(Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen));
3260 if (i == LUMP_VISIBILITY || i == LUMP_LEAFS || i == LUMP_NODES)
3262 mod->brush.qw_md4sum2 ^= LittleLong(Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen));
3265 Mod_Q1BSP_LoadEntities(&header->lumps[LUMP_ENTITIES]);
3266 Mod_Q1BSP_LoadVertexes(&header->lumps[LUMP_VERTEXES]);
3267 Mod_Q1BSP_LoadEdges(&header->lumps[LUMP_EDGES]);
3268 Mod_Q1BSP_LoadSurfedges(&header->lumps[LUMP_SURFEDGES]);
3269 Mod_Q1BSP_LoadTextures(&header->lumps[LUMP_TEXTURES]);
3270 Mod_Q1BSP_LoadLighting(&header->lumps[LUMP_LIGHTING]);
3271 Mod_Q1BSP_LoadPlanes(&header->lumps[LUMP_PLANES]);
3272 Mod_Q1BSP_LoadTexinfo(&header->lumps[LUMP_TEXINFO]);
3273 Mod_Q1BSP_LoadFaces(&header->lumps[LUMP_FACES]);
3274 Mod_Q1BSP_LoadLeaffaces(&header->lumps[LUMP_MARKSURFACES]);
3275 Mod_Q1BSP_LoadVisibility(&header->lumps[LUMP_VISIBILITY]);
3276 // load submodels before leafs because they contain the number of vis leafs
3277 Mod_Q1BSP_LoadSubmodels(&header->lumps[LUMP_MODELS], &hullinfo);
3278 Mod_Q1BSP_LoadLeafs(&header->lumps[LUMP_LEAFS]);
3279 Mod_Q1BSP_LoadNodes(&header->lumps[LUMP_NODES]);
3280 Mod_Q1BSP_LoadClipnodes(&header->lumps[LUMP_CLIPNODES], &hullinfo);
3282 if (!mod->brushq1.lightdata)
3283 mod->brush.LightPoint = NULL;
3285 if (mod->brushq1.data_compressedpvs)
3286 Mem_Free(mod->brushq1.data_compressedpvs);
3287 mod->brushq1.data_compressedpvs = NULL;
3288 mod->brushq1.num_compressedpvs = 0;
3290 Mod_Q1BSP_MakeHull0();
3291 Mod_Q1BSP_MakePortals();
3293 mod->numframes = 2; // regular and alternate animation
3296 mainmempool = mod->mempool;
3298 // make a single combined shadow mesh to allow optimized shadow volume creation
3299 numshadowmeshtriangles = 0;
3300 for (j = 0, surface = loadmodel->data_surfaces;j < loadmodel->num_surfaces;j++, surface++)
3302 surface->num_firstshadowmeshtriangle = numshadowmeshtriangles;
3303 numshadowmeshtriangles += surface->num_triangles;
3305 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Begin(loadmodel->mempool, numshadowmeshtriangles * 3, numshadowmeshtriangles, NULL, NULL, NULL, false, false, true);
3306 for (j = 0, surface = loadmodel->data_surfaces;j < loadmodel->num_surfaces;j++, surface++)
3307 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));
3308 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Finish(loadmodel->mempool, loadmodel->brush.shadowmesh, false, true);
3309 Mod_BuildTriangleNeighbors(loadmodel->brush.shadowmesh->neighbor3i, loadmodel->brush.shadowmesh->element3i, loadmodel->brush.shadowmesh->numtriangles);
3311 if (loadmodel->brush.numsubmodels)
3312 loadmodel->brush.submodels = (model_t **)Mem_Alloc(loadmodel->mempool, loadmodel->brush.numsubmodels * sizeof(model_t *));
3314 if (loadmodel->isworldmodel)
3316 // clear out any stale submodels or worldmodels lying around
3317 // if we did this clear before now, an error might abort loading and
3318 // leave things in a bad state
3319 Mod_RemoveStaleWorldModels(loadmodel);
3322 // LordHavoc: to clear the fog around the original quake submodel code, I
3324 // first of all, some background info on the submodels:
3325 // model 0 is the map model (the world, named maps/e1m1.bsp for example)
3326 // model 1 and higher are submodels (doors and the like, named *1, *2, etc)
3327 // now the weird for loop itself:
3328 // the loop functions in an odd way, on each iteration it sets up the
3329 // current 'mod' model (which despite the confusing code IS the model of
3330 // the number i), at the end of the loop it duplicates the model to become
3331 // the next submodel, and loops back to set up the new submodel.
3333 // LordHavoc: now the explanation of my sane way (which works identically):
3334 // set up the world model, then on each submodel copy from the world model
3335 // and set up the submodel with the respective model info.
3336 for (i = 0;i < mod->brush.numsubmodels;i++)
3338 // LordHavoc: this code was originally at the end of this loop, but
3339 // has been transformed to something more readable at the start here.
3344 // LordHavoc: only register submodels if it is the world
3345 // (prevents external bsp models from replacing world submodels with
3347 if (!loadmodel->isworldmodel)
3349 // duplicate the basic information
3350 sprintf(name, "*%i", i);
3351 mod = Mod_FindName(name);
3352 // copy the base model to this one
3354 // rename the clone back to its proper name
3355 strlcpy(mod->name, name, sizeof(mod->name));
3356 // textures and memory belong to the main model
3357 mod->texturepool = NULL;
3358 mod->mempool = NULL;
3361 mod->brush.submodel = i;
3363 if (loadmodel->brush.submodels)
3364 loadmodel->brush.submodels[i] = mod;
3366 bm = &mod->brushq1.submodels[i];
3368 mod->brushq1.hulls[0].firstclipnode = bm->headnode[0];
3369 for (j=1 ; j<MAX_MAP_HULLS ; j++)
3371 mod->brushq1.hulls[j].firstclipnode = bm->headnode[j];
3372 mod->brushq1.hulls[j].lastclipnode = mod->brushq1.numclipnodes - 1;
3375 mod->firstmodelsurface = bm->firstface;
3376 mod->nummodelsurfaces = bm->numfaces;
3378 // make the model surface list (used by shadowing/lighting)
3379 mod->surfacelist = (int *)Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->surfacelist));
3380 for (j = 0;j < mod->nummodelsurfaces;j++)
3381 mod->surfacelist[j] = mod->firstmodelsurface + j;
3383 // this gets altered below if sky is used
3384 mod->DrawSky = NULL;
3385 mod->Draw = R_Q1BSP_Draw;
3386 mod->GetLightInfo = R_Q1BSP_GetLightInfo;
3387 mod->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
3388 mod->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
3389 mod->DrawLight = R_Q1BSP_DrawLight;
3392 mod->brush.GetPVS = NULL;
3393 mod->brush.FatPVS = NULL;
3394 mod->brush.BoxTouchingPVS = NULL;
3395 mod->brush.BoxTouchingLeafPVS = NULL;
3396 mod->brush.BoxTouchingVisibleLeafs = NULL;
3397 mod->brush.FindBoxClusters = NULL;
3398 mod->brush.LightPoint = NULL;
3399 mod->brush.AmbientSoundLevelsForPoint = NULL;
3401 Mod_Q1BSP_BuildLightmapUpdateChains(loadmodel->mempool, mod);
3402 if (mod->nummodelsurfaces)
3404 // LordHavoc: calculate bmodel bounding box rather than trusting what it says
3405 mod->normalmins[0] = mod->normalmins[1] = mod->normalmins[2] = 1000000000.0f;
3406 mod->normalmaxs[0] = mod->normalmaxs[1] = mod->normalmaxs[2] = -1000000000.0f;
3409 for (j = 0, surface = &mod->data_surfaces[mod->firstmodelsurface];j < mod->nummodelsurfaces;j++, surface++)
3411 // we only need to have a drawsky function if it is used(usually only on world model)
3412 if (surface->texture->basematerialflags & MATERIALFLAG_SKY)
3413 mod->DrawSky = R_Q1BSP_DrawSky;
3414 // calculate bounding shapes
3415 for (k = 0, vec = (loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex);k < surface->num_vertices;k++, vec += 3)
3417 if (mod->normalmins[0] > vec[0]) mod->normalmins[0] = vec[0];
3418 if (mod->normalmins[1] > vec[1]) mod->normalmins[1] = vec[1];
3419 if (mod->normalmins[2] > vec[2]) mod->normalmins[2] = vec[2];
3420 if (mod->normalmaxs[0] < vec[0]) mod->normalmaxs[0] = vec[0];
3421 if (mod->normalmaxs[1] < vec[1]) mod->normalmaxs[1] = vec[1];
3422 if (mod->normalmaxs[2] < vec[2]) mod->normalmaxs[2] = vec[2];
3423 dist = vec[0]*vec[0]+vec[1]*vec[1];
3424 if (modelyawradius < dist)
3425 modelyawradius = dist;
3426 dist += vec[2]*vec[2];
3427 if (modelradius < dist)
3431 modelyawradius = sqrt(modelyawradius);
3432 modelradius = sqrt(modelradius);
3433 mod->yawmins[0] = mod->yawmins[1] = - (mod->yawmaxs[0] = mod->yawmaxs[1] = modelyawradius);
3434 mod->yawmins[2] = mod->normalmins[2];
3435 mod->yawmaxs[2] = mod->normalmaxs[2];
3436 mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius;
3437 mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
3438 mod->radius = modelradius;
3439 mod->radius2 = modelradius * modelradius;
3443 // LordHavoc: empty submodel(lacrima.bsp has such a glitch)
3444 Con_Printf("warning: empty submodel *%i in %s\n", i+1, loadmodel->name);
3446 //mod->brushq1.num_visleafs = bm->visleafs;
3449 Mod_Q1BSP_LoadMapBrushes();
3451 //Mod_Q1BSP_ProcessLightList();
3453 if (developer.integer >= 10)
3454 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);
3457 static void Mod_Q2BSP_LoadEntities(lump_t *l)
3461 static void Mod_Q2BSP_LoadPlanes(lump_t *l)
3468 in = (void *)(mod_base + l->fileofs);
3469 if (l->filelen % sizeof(*in))
3470 Host_Error("Mod_Q2BSP_LoadPlanes: funny lump size in %s",loadmodel->name);
3471 count = l->filelen / sizeof(*in);
3472 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3475 loadmodel->num = count;
3477 for (i = 0;i < count;i++, in++, out++)
3483 static void Mod_Q2BSP_LoadVertices(lump_t *l)
3490 in = (void *)(mod_base + l->fileofs);
3491 if (l->filelen % sizeof(*in))
3492 Host_Error("Mod_Q2BSP_LoadVertices: funny lump size in %s",loadmodel->name);
3493 count = l->filelen / sizeof(*in);
3494 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3497 loadmodel->num = count;
3499 for (i = 0;i < count;i++, in++, out++)
3505 static void Mod_Q2BSP_LoadVisibility(lump_t *l)
3512 in = (void *)(mod_base + l->fileofs);
3513 if (l->filelen % sizeof(*in))
3514 Host_Error("Mod_Q2BSP_LoadVisibility: funny lump size in %s",loadmodel->name);
3515 count = l->filelen / sizeof(*in);
3516 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3519 loadmodel->num = count;
3521 for (i = 0;i < count;i++, in++, out++)
3527 static void Mod_Q2BSP_LoadNodes(lump_t *l)
3534 in = (void *)(mod_base + l->fileofs);
3535 if (l->filelen % sizeof(*in))
3536 Host_Error("Mod_Q2BSP_LoadNodes: funny lump size in %s",loadmodel->name);
3537 count = l->filelen / sizeof(*in);
3538 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3541 loadmodel->num = count;
3543 for (i = 0;i < count;i++, in++, out++)
3549 static void Mod_Q2BSP_LoadTexInfo(lump_t *l)
3556 in = (void *)(mod_base + l->fileofs);
3557 if (l->filelen % sizeof(*in))
3558 Host_Error("Mod_Q2BSP_LoadTexInfo: funny lump size in %s",loadmodel->name);
3559 count = l->filelen / sizeof(*in);
3560 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3563 loadmodel->num = count;
3565 for (i = 0;i < count;i++, in++, out++)
3571 static void Mod_Q2BSP_LoadFaces(lump_t *l)
3578 in = (void *)(mod_base + l->fileofs);
3579 if (l->filelen % sizeof(*in))
3580 Host_Error("Mod_Q2BSP_LoadFaces: funny lump size in %s",loadmodel->name);
3581 count = l->filelen / sizeof(*in);
3582 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3585 loadmodel->num = count;
3587 for (i = 0;i < count;i++, in++, out++)
3593 static void Mod_Q2BSP_LoadLighting(lump_t *l)
3600 in = (void *)(mod_base + l->fileofs);
3601 if (l->filelen % sizeof(*in))
3602 Host_Error("Mod_Q2BSP_LoadLighting: funny lump size in %s",loadmodel->name);
3603 count = l->filelen / sizeof(*in);
3604 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3607 loadmodel->num = count;
3609 for (i = 0;i < count;i++, in++, out++)
3615 static void Mod_Q2BSP_LoadLeafs(lump_t *l)
3622 in = (void *)(mod_base + l->fileofs);
3623 if (l->filelen % sizeof(*in))
3624 Host_Error("Mod_Q2BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
3625 count = l->filelen / sizeof(*in);
3626 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3629 loadmodel->num = count;
3631 for (i = 0;i < count;i++, in++, out++)
3637 static void Mod_Q2BSP_LoadLeafFaces(lump_t *l)
3644 in = (void *)(mod_base + l->fileofs);
3645 if (l->filelen % sizeof(*in))
3646 Host_Error("Mod_Q2BSP_LoadLeafFaces: funny lump size in %s",loadmodel->name);
3647 count = l->filelen / sizeof(*in);
3648 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3651 loadmodel->num = count;
3653 for (i = 0;i < count;i++, in++, out++)
3659 static void Mod_Q2BSP_LoadLeafBrushes(lump_t *l)
3666 in = (void *)(mod_base + l->fileofs);
3667 if (l->filelen % sizeof(*in))
3668 Host_Error("Mod_Q2BSP_LoadLeafBrushes: funny lump size in %s",loadmodel->name);
3669 count = l->filelen / sizeof(*in);
3670 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3673 loadmodel->num = count;
3675 for (i = 0;i < count;i++, in++, out++)
3681 static void Mod_Q2BSP_LoadEdges(lump_t *l)
3688 in = (void *)(mod_base + l->fileofs);
3689 if (l->filelen % sizeof(*in))
3690 Host_Error("Mod_Q2BSP_LoadEdges: funny lump size in %s",loadmodel->name);
3691 count = l->filelen / sizeof(*in);
3692 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3695 loadmodel->num = count;
3697 for (i = 0;i < count;i++, in++, out++)
3703 static void Mod_Q2BSP_LoadSurfEdges(lump_t *l)
3710 in = (void *)(mod_base + l->fileofs);
3711 if (l->filelen % sizeof(*in))
3712 Host_Error("Mod_Q2BSP_LoadSurfEdges: funny lump size in %s",loadmodel->name);
3713 count = l->filelen / sizeof(*in);
3714 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3717 loadmodel->num = count;
3719 for (i = 0;i < count;i++, in++, out++)
3725 static void Mod_Q2BSP_LoadBrushes(lump_t *l)
3732 in = (void *)(mod_base + l->fileofs);
3733 if (l->filelen % sizeof(*in))
3734 Host_Error("Mod_Q2BSP_LoadBrushes: funny lump size in %s",loadmodel->name);
3735 count = l->filelen / sizeof(*in);
3736 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3739 loadmodel->num = count;
3741 for (i = 0;i < count;i++, in++, out++)
3747 static void Mod_Q2BSP_LoadBrushSides(lump_t *l)
3754 in = (void *)(mod_base + l->fileofs);
3755 if (l->filelen % sizeof(*in))
3756 Host_Error("Mod_Q2BSP_LoadBrushSides: funny lump size in %s",loadmodel->name);
3757 count = l->filelen / sizeof(*in);
3758 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3761 loadmodel->num = count;
3763 for (i = 0;i < count;i++, in++, out++)
3769 static void Mod_Q2BSP_LoadAreas(lump_t *l)
3776 in = (void *)(mod_base + l->fileofs);
3777 if (l->filelen % sizeof(*in))
3778 Host_Error("Mod_Q2BSP_LoadAreas: funny lump size in %s",loadmodel->name);
3779 count = l->filelen / sizeof(*in);
3780 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3783 loadmodel->num = count;
3785 for (i = 0;i < count;i++, in++, out++)
3791 static void Mod_Q2BSP_LoadAreaPortals(lump_t *l)
3798 in = (void *)(mod_base + l->fileofs);
3799 if (l->filelen % sizeof(*in))
3800 Host_Error("Mod_Q2BSP_LoadAreaPortals: funny lump size in %s",loadmodel->name);
3801 count = l->filelen / sizeof(*in);
3802 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3805 loadmodel->num = count;
3807 for (i = 0;i < count;i++, in++, out++)
3813 static void Mod_Q2BSP_LoadModels(lump_t *l)
3820 in = (void *)(mod_base + l->fileofs);
3821 if (l->filelen % sizeof(*in))
3822 Host_Error("Mod_Q2BSP_LoadModels: funny lump size in %s",loadmodel->name);
3823 count = l->filelen / sizeof(*in);
3824 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3827 loadmodel->num = count;
3829 for (i = 0;i < count;i++, in++, out++)
3835 void static Mod_Q2BSP_Load(model_t *mod, void *buffer, void *bufferend)
3838 q2dheader_t *header;
3840 Host_Error("Mod_Q2BSP_Load: not yet implemented");
3842 mod->type = mod_brushq2;
3844 header = (q2dheader_t *)buffer;
3846 i = LittleLong(header->version);
3847 if (i != Q2BSPVERSION)
3848 Host_Error("Mod_Q2BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q2BSPVERSION);
3849 mod->brush.ishlbsp = false;
3850 mod->brush.ismcbsp = false;
3851 if (loadmodel->isworldmodel)
3853 Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
3854 Cvar_SetValue("mcbsp", mod->brush.ismcbsp);
3857 mod_base = (unsigned char *)header;
3859 // swap all the lumps
3860 for (i = 0;i < (int) sizeof(*header) / 4;i++)
3861 ((int *)header)[i] = LittleLong(((int *)header)[i]);
3863 // store which lightmap format to use
3864 mod->brushq1.lightmaprgba = r_lightmaprgba.integer;
3866 mod->brush.qw_md4sum = 0;
3867 mod->brush.qw_md4sum2 = 0;
3868 for (i = 0;i < Q2HEADER_LUMPS;i++)
3870 if (i == Q2LUMP_ENTITIES)
3872 mod->brush.qw_md4sum ^= Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen);
3873 if (i == Q2LUMP_VISIBILITY || i == Q2LUMP_LEAFS || i == Q2LUMP_NODES)
3875 mod->brush.qw_md4sum2 ^= Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen);
3878 Mod_Q2BSP_LoadEntities(&header->lumps[Q2LUMP_ENTITIES]);
3879 Mod_Q2BSP_LoadPlanes(&header->lumps[Q2LUMP_PLANES]);
3880 Mod_Q2BSP_LoadVertices(&header->lumps[Q2LUMP_VERTEXES]);
3881 Mod_Q2BSP_LoadVisibility(&header->lumps[Q2LUMP_VISIBILITY]);
3882 Mod_Q2BSP_LoadNodes(&header->lumps[Q2LUMP_NODES]);
3883 Mod_Q2BSP_LoadTexInfo(&header->lumps[Q2LUMP_TEXINFO]);
3884 Mod_Q2BSP_LoadFaces(&header->lumps[Q2LUMP_FACES]);
3885 Mod_Q2BSP_LoadLighting(&header->lumps[Q2LUMP_LIGHTING]);
3886 Mod_Q2BSP_LoadLeafs(&header->lumps[Q2LUMP_LEAFS]);
3887 Mod_Q2BSP_LoadLeafFaces(&header->lumps[Q2LUMP_LEAFFACES]);
3888 Mod_Q2BSP_LoadLeafBrushes(&header->lumps[Q2LUMP_LEAFBRUSHES]);
3889 Mod_Q2BSP_LoadEdges(&header->lumps[Q2LUMP_EDGES]);
3890 Mod_Q2BSP_LoadSurfEdges(&header->lumps[Q2LUMP_SURFEDGES]);
3891 Mod_Q2BSP_LoadBrushes(&header->lumps[Q2LUMP_BRUSHES]);
3892 Mod_Q2BSP_LoadBrushSides(&header->lumps[Q2LUMP_BRUSHSIDES]);
3893 Mod_Q2BSP_LoadAreas(&header->lumps[Q2LUMP_AREAS]);
3894 Mod_Q2BSP_LoadAreaPortals(&header->lumps[Q2LUMP_AREAPORTALS]);
3895 // LordHavoc: must go last because this makes the submodels
3896 Mod_Q2BSP_LoadModels(&header->lumps[Q2LUMP_MODELS]);
3899 static int Mod_Q3BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents);
3900 static int Mod_Q3BSP_NativeContentsFromSuperContents(model_t *model, int supercontents);
3902 static void Mod_Q3BSP_LoadEntities(lump_t *l)
3905 char key[128], value[MAX_INPUTLINE];
3907 loadmodel->brushq3.num_lightgrid_cellsize[0] = 64;
3908 loadmodel->brushq3.num_lightgrid_cellsize[1] = 64;
3909 loadmodel->brushq3.num_lightgrid_cellsize[2] = 128;
3912 loadmodel->brush.entities = (char *)Mem_Alloc(loadmodel->mempool, l->filelen);
3913 memcpy(loadmodel->brush.entities, mod_base + l->fileofs, l->filelen);
3914 data = loadmodel->brush.entities;
3915 // some Q3 maps override the lightgrid_cellsize with a worldspawn key
3916 if (data && COM_ParseTokenConsole(&data) && com_token[0] == '{')
3920 if (!COM_ParseTokenConsole(&data))
3922 if (com_token[0] == '}')
3923 break; // end of worldspawn
3924 if (com_token[0] == '_')
3925 strlcpy(key, com_token + 1, sizeof(key));
3927 strlcpy(key, com_token, sizeof(key));
3928 while (key[strlen(key)-1] == ' ') // remove trailing spaces
3929 key[strlen(key)-1] = 0;
3930 if (!COM_ParseTokenConsole(&data))
3932 strlcpy(value, com_token, sizeof(value));
3933 if (!strcmp("gridsize", key))
3935 if (sscanf(value, "%f %f %f", &v[0], &v[1], &v[2]) == 3 && v[0] != 0 && v[1] != 0 && v[2] != 0)
3936 VectorCopy(v, loadmodel->brushq3.num_lightgrid_cellsize);
3942 // FIXME: make MAXSHADERS dynamic
3943 #define Q3SHADER_MAXSHADERS 4096
3944 #define Q3SHADER_MAXLAYERS 8
3946 typedef struct q3shaderinfo_layer_s
3952 char texturename[TEXTURE_MAXFRAMES][Q3PATHLENGTH];
3954 qboolean rgbgenvertex;
3955 qboolean alphagenvertex;
3957 q3shaderinfo_layer_t;
3959 typedef struct q3shaderinfo_s
3961 char name[Q3PATHLENGTH];
3966 qboolean vertexalpha;
3967 qboolean textureblendalpha;
3968 q3shaderinfo_layer_t *primarylayer, *backgroundlayer;
3969 q3shaderinfo_layer_t layers[Q3SHADER_MAXLAYERS];
3970 char skyboxname[Q3PATHLENGTH];
3974 int q3shaders_numshaders;
3975 q3shaderinfo_t q3shaders_shaders[Q3SHADER_MAXSHADERS];
3977 static void Mod_Q3BSP_LoadShaders(void)
3984 q3shaderinfo_t *shader;
3985 q3shaderinfo_layer_t *layer;
3987 char parameter[TEXTURE_MAXFRAMES + 4][Q3PATHLENGTH];
3988 search = FS_Search("scripts/*.shader", true, false);
3991 q3shaders_numshaders = 0;
3992 for (fileindex = 0;fileindex < search->numfilenames;fileindex++)
3994 text = f = (char *)FS_LoadFile(search->filenames[fileindex], tempmempool, false, NULL);
3997 while (COM_ParseToken(&text, false))
3999 if (q3shaders_numshaders >= Q3SHADER_MAXSHADERS)
4001 Con_Printf("Mod_Q3BSP_LoadShaders: too many shaders!\n");
4004 shader = q3shaders_shaders + q3shaders_numshaders++;
4005 memset(shader, 0, sizeof(*shader));
4006 strlcpy(shader->name, com_token, sizeof(shader->name));
4007 if (!COM_ParseToken(&text, false) || strcasecmp(com_token, "{"))
4009 Con_Printf("%s parsing error - expected \"{\", found \"%s\"\n", search->filenames[fileindex], com_token);
4012 while (COM_ParseToken(&text, false))
4014 if (!strcasecmp(com_token, "}"))
4016 if (!strcasecmp(com_token, "{"))
4018 if (shader->numlayers < Q3SHADER_MAXLAYERS)
4020 layer = shader->layers + shader->numlayers++;
4021 layer->rgbgenvertex = false;
4022 layer->alphagenvertex = false;
4023 layer->blendfunc[0] = GL_ONE;
4024 layer->blendfunc[1] = GL_ZERO;
4028 while (COM_ParseToken(&text, false))
4030 if (!strcasecmp(com_token, "}"))
4032 if (!strcasecmp(com_token, "\n"))
4037 for (j = 0;strcasecmp(com_token, "\n") && strcasecmp(com_token, "}");j++)
4039 if (j < TEXTURE_MAXFRAMES + 4)
4041 strlcpy(parameter[j], com_token, sizeof(parameter[j]));
4042 numparameters = j + 1;
4044 if (!COM_ParseToken(&text, true))
4047 if (developer.integer >= 100)
4049 Con_Printf("%s %i: ", shader->name, shader->numlayers - 1);
4050 for (j = 0;j < numparameters;j++)
4051 Con_Printf(" %s", parameter[j]);
4054 if (numparameters >= 2 && !strcasecmp(parameter[0], "blendfunc"))
4056 if (numparameters == 2)
4058 if (!strcasecmp(parameter[1], "add"))
4060 layer->blendfunc[0] = GL_ONE;
4061 layer->blendfunc[1] = GL_ONE;
4063 else if (!strcasecmp(parameter[1], "filter"))
4065 layer->blendfunc[0] = GL_DST_COLOR;
4066 layer->blendfunc[1] = GL_ZERO;
4068 else if (!strcasecmp(parameter[1], "blend"))
4070 layer->blendfunc[0] = GL_SRC_ALPHA;
4071 layer->blendfunc[1] = GL_ONE_MINUS_SRC_ALPHA;
4074 else if (numparameters == 3)
4077 for (k = 0;k < 2;k++)
4079 if (!strcasecmp(parameter[k+1], "GL_ONE"))
4080 layer->blendfunc[k] = GL_ONE;
4081 else if (!strcasecmp(parameter[k+1], "GL_ZERO"))
4082 layer->blendfunc[k] = GL_ZERO;
4083 else if (!strcasecmp(parameter[k+1], "GL_SRC_COLOR"))
4084 layer->blendfunc[k] = GL_SRC_COLOR;
4085 else if (!strcasecmp(parameter[k+1], "GL_SRC_ALPHA"))
4086 layer->blendfunc[k] = GL_SRC_ALPHA;
4087 else if (!strcasecmp(parameter[k+1], "GL_DST_COLOR"))
4088 layer->blendfunc[k] = GL_DST_COLOR;
4089 else if (!strcasecmp(parameter[k+1], "GL_DST_ALPHA"))
4090 layer->blendfunc[k] = GL_ONE_MINUS_DST_ALPHA;
4091 else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_SRC_COLOR"))
4092 layer->blendfunc[k] = GL_ONE_MINUS_SRC_COLOR;
4093 else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_SRC_ALPHA"))
4094 layer->blendfunc[k] = GL_ONE_MINUS_SRC_ALPHA;
4095 else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_DST_COLOR"))
4096 layer->blendfunc[k] = GL_ONE_MINUS_DST_COLOR;
4097 else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_DST_ALPHA"))
4098 layer->blendfunc[k] = GL_ONE_MINUS_DST_ALPHA;
4100 layer->blendfunc[k] = GL_ONE; // default in case of parsing error
4104 if (numparameters >= 2 && !strcasecmp(parameter[0], "alphafunc"))
4105 layer->alphatest = true;
4106 if (numparameters >= 2 && (!strcasecmp(parameter[0], "map") || !strcasecmp(parameter[0], "clampmap")))
4108 if (!strcasecmp(parameter[0], "clampmap"))
4109 layer->clampmap = true;
4110 layer->numframes = 1;
4111 layer->framerate = 1;
4112 strlcpy(layer->texturename[0], parameter[1], sizeof(layer->texturename));
4113 if (!strcasecmp(parameter[1], "$lightmap"))
4114 shader->lighting = true;
4116 else if (numparameters >= 3 && (!strcasecmp(parameter[0], "animmap") || !strcasecmp(parameter[0], "animclampmap")))
4119 layer->numframes = min(numparameters - 2, TEXTURE_MAXFRAMES);
4120 layer->framerate = atoi(parameter[1]);
4121 for (i = 0;i < layer->numframes;i++)
4122 strlcpy(layer->texturename[i], parameter[i + 2], sizeof(layer->texturename));
4124 else if (numparameters >= 2 && !strcasecmp(parameter[0], "rgbgen") && !strcasecmp(parameter[1], "vertex"))
4125 layer->rgbgenvertex = true;
4126 else if (numparameters >= 2 && !strcasecmp(parameter[0], "alphagen") && !strcasecmp(parameter[1], "vertex"))
4127 layer->alphagenvertex = true;
4128 // break out a level if it was }
4129 if (!strcasecmp(com_token, "}"))
4132 if (layer->rgbgenvertex)
4133 shader->lighting = true;
4134 if (layer->alphagenvertex)
4136 if (layer == shader->layers + 0)
4138 // vertex controlled transparency
4139 shader->vertexalpha = true;
4143 // multilayer terrain shader or similar
4144 shader->textureblendalpha = true;
4150 for (j = 0;strcasecmp(com_token, "\n") && strcasecmp(com_token, "}");j++)
4152 if (j < TEXTURE_MAXFRAMES + 4)
4154 strlcpy(parameter[j], com_token, sizeof(parameter[j]));
4155 numparameters = j + 1;
4157 if (!COM_ParseToken(&text, true))
4160 if (fileindex == 0 && !strcasecmp(com_token, "}"))
4162 if (developer.integer >= 100)
4164 Con_Printf("%s: ", shader->name);
4165 for (j = 0;j < numparameters;j++)
4166 Con_Printf(" %s", parameter[j]);
4169 if (numparameters < 1)
4171 if (!strcasecmp(parameter[0], "surfaceparm") && numparameters >= 2)
4173 if (!strcasecmp(parameter[1], "alphashadow"))
4174 shader->surfaceparms |= Q3SURFACEPARM_ALPHASHADOW;
4175 else if (!strcasecmp(parameter[1], "areaportal"))
4176 shader->surfaceparms |= Q3SURFACEPARM_AREAPORTAL;
4177 else if (!strcasecmp(parameter[1], "botclip"))
4178 shader->surfaceparms |= Q3SURFACEPARM_BOTCLIP;
4179 else if (!strcasecmp(parameter[1], "clusterportal"))
4180 shader->surfaceparms |= Q3SURFACEPARM_CLUSTERPORTAL;
4181 else if (!strcasecmp(parameter[1], "detail"))
4182 shader->surfaceparms |= Q3SURFACEPARM_DETAIL;
4183 else if (!strcasecmp(parameter[1], "donotenter"))
4184 shader->surfaceparms |= Q3SURFACEPARM_DONOTENTER;
4185 else if (!strcasecmp(parameter[1], "dust"))
4186 shader->surfaceparms |= Q3SURFACEPARM_DUST;
4187 else if (!strcasecmp(parameter[1], "hint"))
4188 shader->surfaceparms |= Q3SURFACEPARM_HINT;
4189 else if (!strcasecmp(parameter[1], "fog"))
4190 shader->surfaceparms |= Q3SURFACEPARM_FOG;
4191 else if (!strcasecmp(parameter[1], "lava"))
4192 shader->surfaceparms |= Q3SURFACEPARM_LAVA;
4193 else if (!strcasecmp(parameter[1], "lightfilter"))
4194 shader->surfaceparms |= Q3SURFACEPARM_LIGHTFILTER;
4195 else if (!strcasecmp(parameter[1], "lightgrid"))
4196 shader->surfaceparms |= Q3SURFACEPARM_LIGHTGRID;
4197 else if (!strcasecmp(parameter[1], "metalsteps"))
4198 shader->surfaceparms |= Q3SURFACEPARM_METALSTEPS;
4199 else if (!strcasecmp(parameter[1], "nodamage"))
4200 shader->surfaceparms |= Q3SURFACEPARM_NODAMAGE;
4201 else if (!strcasecmp(parameter[1], "nodlight"))
4202 shader->surfaceparms |= Q3SURFACEPARM_NODLIGHT;
4203 else if (!strcasecmp(parameter[1], "nodraw"))
4204 shader->surfaceparms |= Q3SURFACEPARM_NODRAW;
4205 else if (!strcasecmp(parameter[1], "nodrop"))
4206 shader->surfaceparms |= Q3SURFACEPARM_NODROP;
4207 else if (!strcasecmp(parameter[1], "noimpact"))
4208 shader->surfaceparms |= Q3SURFACEPARM_NOIMPACT;
4209 else if (!strcasecmp(parameter[1], "nolightmap"))
4210 shader->surfaceparms |= Q3SURFACEPARM_NOLIGHTMAP;
4211 else if (!strcasecmp(parameter[1], "nomarks"))
4212 shader->surfaceparms |= Q3SURFACEPARM_NOMARKS;
4213 else if (!strcasecmp(parameter[1], "nomipmaps"))
4214 shader->surfaceparms |= Q3SURFACEPARM_NOMIPMAPS;
4215 else if (!strcasecmp(parameter[1], "nonsolid"))
4216 shader->surfaceparms |= Q3SURFACEPARM_NONSOLID;
4217 else if (!strcasecmp(parameter[1], "origin"))
4218 shader->surfaceparms |= Q3SURFACEPARM_ORIGIN;
4219 else if (!strcasecmp(parameter[1], "playerclip"))
4220 shader->surfaceparms |= Q3SURFACEPARM_PLAYERCLIP;
4221 else if (!strcasecmp(parameter[1], "sky"))
4222 shader->surfaceparms |= Q3SURFACEPARM_SKY;
4223 else if (!strcasecmp(parameter[1], "slick"))
4224 shader->surfaceparms |= Q3SURFACEPARM_SLICK;
4225 else if (!strcasecmp(parameter[1], "slime"))
4226 shader->surfaceparms |= Q3SURFACEPARM_SLIME;
4227 else if (!strcasecmp(parameter[1], "structural"))
4228 shader->surfaceparms |= Q3SURFACEPARM_STRUCTURAL;
4229 else if (!strcasecmp(parameter[1], "trans"))
4230 shader->surfaceparms |= Q3SURFACEPARM_TRANS;
4231 else if (!strcasecmp(parameter[1], "water"))
4232 shader->surfaceparms |= Q3SURFACEPARM_WATER;
4233 else if (!strcasecmp(parameter[1], "pointlight"))
4234 shader->surfaceparms |= Q3SURFACEPARM_POINTLIGHT;
4236 Con_Printf("%s parsing warning: unknown surfaceparm \"%s\"\n", search->filenames[fileindex], parameter[1]);
4238 else if (!strcasecmp(parameter[0], "sky") && numparameters >= 2)
4240 // some q3 skies don't have the sky parm set
4241 shader->surfaceparms |= Q3SURFACEPARM_SKY;
4242 strlcpy(shader->skyboxname, parameter[1], sizeof(shader->skyboxname));
4244 else if (!strcasecmp(parameter[0], "skyparms") && numparameters >= 2)
4246 // some q3 skies don't have the sky parm set
4247 shader->surfaceparms |= Q3SURFACEPARM_SKY;
4248 if (!atoi(parameter[1]) && strcasecmp(parameter[1], "-"))
4249 strlcpy(shader->skyboxname, parameter[1], sizeof(shader->skyboxname));
4251 else if (!strcasecmp(parameter[0], "cull") && numparameters >= 2)
4253 if (!strcasecmp(parameter[1], "disable") || !strcasecmp(parameter[1], "none") || !strcasecmp(parameter[1], "twosided"))
4254 shader->textureflags |= Q3TEXTUREFLAG_TWOSIDED;
4256 else if (!strcasecmp(parameter[0], "nomipmaps"))
4257 shader->surfaceparms |= Q3SURFACEPARM_NOMIPMAPS;
4258 else if (!strcasecmp(parameter[0], "nopicmip"))
4259 shader->textureflags |= Q3TEXTUREFLAG_NOPICMIP;
4260 else if (!strcasecmp(parameter[0], "deformvertexes") && numparameters >= 2)
4262 if (!strcasecmp(parameter[1], "autosprite") && numparameters == 2)
4263 shader->textureflags |= Q3TEXTUREFLAG_AUTOSPRITE;
4264 if (!strcasecmp(parameter[1], "autosprite2") && numparameters == 2)
4265 shader->textureflags |= Q3TEXTUREFLAG_AUTOSPRITE2;
4268 // identify if this is a blended terrain shader or similar
4269 if (shader->numlayers)
4271 shader->primarylayer = shader->layers + 0;
4272 if ((shader->layers[1].blendfunc[0] == GL_SRC_ALPHA && shader->layers[1].blendfunc[1] == GL_ONE_MINUS_SRC_ALPHA) || shader->layers[1].alphatest)
4274 // terrain blending or other effects
4275 shader->backgroundlayer = shader->layers + 0;
4276 shader->primarylayer = shader->layers + 1;
4278 // now see if the lightmap came first, and if so choose the second texture instead
4279 if (!strcasecmp(shader->primarylayer->texturename[0], "$lightmap"))
4280 shader->primarylayer = shader->layers + 1;
4287 q3shaderinfo_t *Mod_Q3BSP_LookupShader(const char *name)
4290 for (i = 0;i < Q3SHADER_MAXSHADERS;i++)
4291 if (!strcasecmp(q3shaders_shaders[i].name, name))
4292 return q3shaders_shaders + i;
4296 static void Mod_Q3BSP_LoadTextures(lump_t *l)
4302 in = (q3dtexture_t *)(mod_base + l->fileofs);
4303 if (l->filelen % sizeof(*in))
4304 Host_Error("Mod_Q3BSP_LoadTextures: funny lump size in %s",loadmodel->name);
4305 count = l->filelen / sizeof(*in);
4306 out = (texture_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4308 loadmodel->data_textures = out;
4309 loadmodel->num_textures = count;
4311 // parse the Q3 shader files
4312 Mod_Q3BSP_LoadShaders();
4315 for (i = 0;i < count;i++, in++, out++)
4317 q3shaderinfo_t *shader;
4318 strlcpy (out->name, in->name, sizeof (out->name));
4319 out->surfaceflags = LittleLong(in->surfaceflags);
4320 out->supercontents = Mod_Q3BSP_SuperContentsFromNativeContents(loadmodel, LittleLong(in->contents));
4321 shader = Mod_Q3BSP_LookupShader(out->name);
4324 out->surfaceparms = shader->surfaceparms;
4325 out->textureflags = shader->textureflags;
4326 out->basematerialflags = 0;
4327 if (shader->surfaceparms & Q3SURFACEPARM_SKY)
4329 out->basematerialflags |= MATERIALFLAG_SKY;
4330 if (shader->skyboxname[0])
4332 // quake3 seems to append a _ to the skybox name, so this must do so as well
4333 dpsnprintf(loadmodel->brush.skybox, sizeof(loadmodel->brush.skybox), "%s_", shader->skyboxname);
4336 else if ((out->surfaceflags & Q3SURFACEFLAG_NODRAW) || shader->numlayers == 0)
4337 out->basematerialflags |= MATERIALFLAG_NODRAW;
4338 else if (shader->surfaceparms & Q3SURFACEPARM_LAVA)
4339 out->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_FULLBRIGHT;
4340 else if (shader->surfaceparms & Q3SURFACEPARM_SLIME)
4341 out->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_WATERALPHA;
4342 else if (shader->surfaceparms & Q3SURFACEPARM_WATER)
4343 out->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_WATERALPHA;
4345 out->basematerialflags |= MATERIALFLAG_WALL;
4346 if (shader->layers[0].alphatest)
4347 out->basematerialflags |= MATERIALFLAG_ALPHATEST | MATERIALFLAG_TRANSPARENT;
4348 out->customblendfunc[0] = GL_ONE;
4349 out->customblendfunc[1] = GL_ZERO;
4350 if (shader->numlayers > 0)
4352 out->customblendfunc[0] = shader->layers[0].blendfunc[0];
4353 out->customblendfunc[1] = shader->layers[0].blendfunc[1];
4355 Q3 shader blendfuncs actually used in the game (* = supported by DP)
4356 * additive GL_ONE GL_ONE
4357 additive weird GL_ONE GL_SRC_ALPHA
4358 additive weird 2 GL_ONE GL_ONE_MINUS_SRC_ALPHA
4359 * alpha GL_SRC_ALPHA GL_ONE_MINUS_SRC_ALPHA
4360 alpha inverse GL_ONE_MINUS_SRC_ALPHA GL_SRC_ALPHA
4361 brighten GL_DST_COLOR GL_ONE
4362 brighten GL_ONE GL_SRC_COLOR
4363 brighten weird GL_DST_COLOR GL_ONE_MINUS_DST_ALPHA
4364 brighten weird 2 GL_DST_COLOR GL_SRC_ALPHA
4365 * modulate GL_DST_COLOR GL_ZERO
4366 * modulate GL_ZERO GL_SRC_COLOR
4367 modulate inverse GL_ZERO GL_ONE_MINUS_SRC_COLOR
4368 modulate inverse alpha GL_ZERO GL_SRC_ALPHA
4369 modulate weird inverse GL_ONE_MINUS_DST_COLOR GL_ZERO
4370 * modulate x2 GL_DST_COLOR GL_SRC_COLOR
4371 * no blend GL_ONE GL_ZERO
4372 nothing GL_ZERO GL_ONE
4374 // if not opaque, figure out what blendfunc to use
4375 if (shader->layers[0].blendfunc[0] != GL_ONE || shader->layers[0].blendfunc[1] != GL_ZERO)
4377 if (shader->layers[0].blendfunc[0] == GL_ONE && shader->layers[0].blendfunc[1] == GL_ONE)
4378 out->basematerialflags |= MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_TRANSPARENT;
4379 else if (shader->layers[0].blendfunc[0] == GL_SRC_ALPHA && shader->layers[0].blendfunc[1] == GL_ONE)
4380 out->basematerialflags |= MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_TRANSPARENT;
4381 else if (shader->layers[0].blendfunc[0] == GL_SRC_ALPHA && shader->layers[0].blendfunc[1] == GL_ONE_MINUS_SRC_ALPHA)
4382 out->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_TRANSPARENT;
4384 out->basematerialflags |= MATERIALFLAG_CUSTOMBLEND | MATERIALFLAG_FULLBRIGHT | MATERIALFLAG_BLENDED | MATERIALFLAG_TRANSPARENT;
4387 if (!shader->lighting)
4388 out->basematerialflags |= MATERIALFLAG_FULLBRIGHT;
4389 if (shader->primarylayer && cls.state != ca_dedicated)
4392 out->numskinframes = shader->primarylayer->numframes;
4393 out->skinframerate = shader->primarylayer->framerate;
4394 for (j = 0;j < shader->primarylayer->numframes;j++)
4395 if (!Mod_LoadSkinFrame(&out->skinframes[j], shader->primarylayer->texturename[j], ((shader->surfaceparms & Q3SURFACEPARM_NOMIPMAPS) ? 0 : TEXF_MIPMAP) | TEXF_ALPHA | TEXF_PRECACHE | (shader->textureflags & Q3TEXTUREFLAG_NOPICMIP ? 0 : TEXF_PICMIP) | (shader->primarylayer->clampmap ? TEXF_CLAMP : 0), false, true))
4396 Con_Printf("%s: could not load texture \"%s\" (frame %i) for shader \"%s\"\n", loadmodel->name, shader->primarylayer->texturename[j], j, out->name);
4402 Con_DPrintf("%s: No shader found for texture \"%s\"\n", loadmodel->name, out->name);
4403 out->surfaceparms = 0;
4404 if (out->surfaceflags & Q3SURFACEFLAG_NODRAW)
4405 out->basematerialflags |= MATERIALFLAG_NODRAW;
4406 else if (out->surfaceflags & Q3SURFACEFLAG_SKY)
4407 out->basematerialflags |= MATERIALFLAG_SKY;
4409 out->basematerialflags |= MATERIALFLAG_WALL;
4410 // these are defaults
4411 //if (!strncmp(out->name, "textures/skies/", 15))
4412 // out->surfaceparms |= Q3SURFACEPARM_SKY;
4413 //if (!strcmp(out->name, "caulk") || !strcmp(out->name, "common/caulk") || !strcmp(out->name, "textures/common/caulk")
4414 // || !strcmp(out->name, "nodraw") || !strcmp(out->name, "common/nodraw") || !strcmp(out->name, "textures/common/nodraw"))
4415 // out->surfaceparms |= Q3SURFACEPARM_NODRAW;
4416 //if (R_TextureHasAlpha(out->skinframes[0].base))
4417 // out->surfaceparms |= Q3SURFACEPARM_TRANS;
4418 if (cls.state != ca_dedicated)
4419 if (!Mod_LoadSkinFrame(&out->skinframes[0], out->name, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, false, true))
4420 Con_Printf("%s: could not load texture for missing shader \"%s\"\n", loadmodel->name, out->name);
4422 // init the animation variables
4423 out->currentframe = out;
4424 out->currentskinframe = &out->skinframes[0];
4427 Con_DPrintf("%s: %i textures missing shaders\n", loadmodel->name, c);
4430 static void Mod_Q3BSP_LoadPlanes(lump_t *l)
4436 in = (q3dplane_t *)(mod_base + l->fileofs);
4437 if (l->filelen % sizeof(*in))
4438 Host_Error("Mod_Q3BSP_LoadPlanes: funny lump size in %s",loadmodel->name);
4439 count = l->filelen / sizeof(*in);
4440 out = (mplane_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4442 loadmodel->brush.data_planes = out;
4443 loadmodel->brush.num_planes = count;
4445 for (i = 0;i < count;i++, in++, out++)
4447 out->normal[0] = LittleFloat(in->normal[0]);
4448 out->normal[1] = LittleFloat(in->normal[1]);
4449 out->normal[2] = LittleFloat(in->normal[2]);
4450 out->dist = LittleFloat(in->dist);
4455 static void Mod_Q3BSP_LoadBrushSides(lump_t *l)
4458 q3mbrushside_t *out;
4461 in = (q3dbrushside_t *)(mod_base + l->fileofs);
4462 if (l->filelen % sizeof(*in))
4463 Host_Error("Mod_Q3BSP_LoadBrushSides: funny lump size in %s",loadmodel->name);
4464 count = l->filelen / sizeof(*in);
4465 out = (q3mbrushside_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4467 loadmodel->brush.data_brushsides = out;
4468 loadmodel->brush.num_brushsides = count;
4470 for (i = 0;i < count;i++, in++, out++)
4472 n = LittleLong(in->planeindex);
4473 if (n < 0 || n >= loadmodel->brush.num_planes)
4474 Host_Error("Mod_Q3BSP_LoadBrushSides: invalid planeindex %i (%i planes)", n, loadmodel->brush.num_planes);
4475 out->plane = loadmodel->brush.data_planes + n;
4476 n = LittleLong(in->textureindex);
4477 if (n < 0 || n >= loadmodel->num_textures)
4478 Host_Error("Mod_Q3BSP_LoadBrushSides: invalid textureindex %i (%i textures)", n, loadmodel->num_textures);
4479 out->texture = loadmodel->data_textures + n;
4483 static void Mod_Q3BSP_LoadBrushes(lump_t *l)
4487 int i, j, n, c, count, maxplanes;
4488 colplanef_t *planes;
4490 in = (q3dbrush_t *)(mod_base + l->fileofs);
4491 if (l->filelen % sizeof(*in))
4492 Host_Error("Mod_Q3BSP_LoadBrushes: funny lump size in %s",loadmodel->name);
4493 count = l->filelen / sizeof(*in);
4494 out = (q3mbrush_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4496 loadmodel->brush.data_brushes = out;
4497 loadmodel->brush.num_brushes = count;
4502 for (i = 0;i < count;i++, in++, out++)
4504 n = LittleLong(in->firstbrushside);
4505 c = LittleLong(in->numbrushsides);
4506 if (n < 0 || n + c > loadmodel->brush.num_brushsides)
4507 Host_Error("Mod_Q3BSP_LoadBrushes: invalid brushside range %i : %i (%i brushsides)", n, n + c, loadmodel->brush.num_brushsides);
4508 out->firstbrushside = loadmodel->brush.data_brushsides + n;
4509 out->numbrushsides = c;
4510 n = LittleLong(in->textureindex);
4511 if (n < 0 || n >= loadmodel->num_textures)
4512 Host_Error("Mod_Q3BSP_LoadBrushes: invalid textureindex %i (%i textures)", n, loadmodel->num_textures);
4513 out->texture = loadmodel->data_textures + n;
4515 // make a list of mplane_t structs to construct a colbrush from
4516 if (maxplanes < out->numbrushsides)
4518 maxplanes = out->numbrushsides;
4521 planes = (colplanef_t *)Mem_Alloc(tempmempool, sizeof(colplanef_t) * maxplanes);
4523 for (j = 0;j < out->numbrushsides;j++)
4525 VectorCopy(out->firstbrushside[j].plane->normal, planes[j].normal);
4526 planes[j].dist = out->firstbrushside[j].plane->dist;
4527 planes[j].q3surfaceflags = out->firstbrushside[j].texture->surfaceflags;
4528 planes[j].texture = out->firstbrushside[j].texture;
4530 // make the colbrush from the planes
4531 out->colbrushf = Collision_NewBrushFromPlanes(loadmodel->mempool, out->numbrushsides, planes, out->texture->supercontents);
4537 static void Mod_Q3BSP_LoadEffects(lump_t *l)
4543 in = (q3deffect_t *)(mod_base + l->fileofs);
4544 if (l->filelen % sizeof(*in))
4545 Host_Error("Mod_Q3BSP_LoadEffects: funny lump size in %s",loadmodel->name);
4546 count = l->filelen / sizeof(*in);
4547 out = (q3deffect_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4549 loadmodel->brushq3.data_effects = out;
4550 loadmodel->brushq3.num_effects = count;
4552 for (i = 0;i < count;i++, in++, out++)
4554 strlcpy (out->shadername, in->shadername, sizeof (out->shadername));
4555 n = LittleLong(in->brushindex);
4556 if (n >= loadmodel->brush.num_brushes)
4558 Con_Printf("Mod_Q3BSP_LoadEffects: invalid brushindex %i (%i brushes), setting to -1\n", n, loadmodel->brush.num_brushes);
4561 out->brushindex = n;
4562 out->unknown = LittleLong(in->unknown);
4566 static void Mod_Q3BSP_LoadVertices(lump_t *l)
4571 in = (q3dvertex_t *)(mod_base + l->fileofs);
4572 if (l->filelen % sizeof(*in))
4573 Host_Error("Mod_Q3BSP_LoadVertices: funny lump size in %s",loadmodel->name);
4574 loadmodel->brushq3.num_vertices = count = l->filelen / sizeof(*in);
4575 loadmodel->brushq3.data_vertex3f = (float *)Mem_Alloc(loadmodel->mempool, count * (sizeof(float) * (3 + 3 + 2 + 2 + 4)));
4576 loadmodel->brushq3.data_normal3f = loadmodel->brushq3.data_vertex3f + count * 3;
4577 loadmodel->brushq3.data_texcoordtexture2f = loadmodel->brushq3.data_normal3f + count * 3;
4578 loadmodel->brushq3.data_texcoordlightmap2f = loadmodel->brushq3.data_texcoordtexture2f + count * 2;
4579 loadmodel->brushq3.data_color4f = loadmodel->brushq3.data_texcoordlightmap2f + count * 2;
4581 for (i = 0;i < count;i++, in++)
4583 loadmodel->brushq3.data_vertex3f[i * 3 + 0] = LittleFloat(in->origin3f[0]);
4584 loadmodel->brushq3.data_vertex3f[i * 3 + 1] = LittleFloat(in->origin3f[1]);
4585 loadmodel->brushq3.data_vertex3f[i * 3 + 2] = LittleFloat(in->origin3f[2]);
4586 loadmodel->brushq3.data_normal3f[i * 3 + 0] = LittleFloat(in->normal3f[0]);
4587 loadmodel->brushq3.data_normal3f[i * 3 + 1] = LittleFloat(in->normal3f[1]);
4588 loadmodel->brushq3.data_normal3f[i * 3 + 2] = LittleFloat(in->normal3f[2]);
4589 loadmodel->brushq3.data_texcoordtexture2f[i * 2 + 0] = LittleFloat(in->texcoord2f[0]);
4590 loadmodel->brushq3.data_texcoordtexture2f[i * 2 + 1] = LittleFloat(in->texcoord2f[1]);
4591 loadmodel->brushq3.data_texcoordlightmap2f[i * 2 + 0] = LittleFloat(in->lightmap2f[0]);
4592 loadmodel->brushq3.data_texcoordlightmap2f[i * 2 + 1] = LittleFloat(in->lightmap2f[1]);
4593 // svector/tvector are calculated later in face loading
4594 loadmodel->brushq3.data_color4f[i * 4 + 0] = in->color4ub[0] * (1.0f / 255.0f);
4595 loadmodel->brushq3.data_color4f[i * 4 + 1] = in->color4ub[1] * (1.0f / 255.0f);
4596 loadmodel->brushq3.data_color4f[i * 4 + 2] = in->color4ub[2] * (1.0f / 255.0f);
4597 loadmodel->brushq3.data_color4f[i * 4 + 3] = in->color4ub[3] * (1.0f / 255.0f);
4601 static void Mod_Q3BSP_LoadTriangles(lump_t *l)
4607 in = (int *)(mod_base + l->fileofs);
4608 if (l->filelen % sizeof(int[3]))
4609 Host_Error("Mod_Q3BSP_LoadTriangles: funny lump size in %s",loadmodel->name);
4610 count = l->filelen / sizeof(*in);
4611 out = (int *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4613 loadmodel->brushq3.num_triangles = count / 3;
4614 loadmodel->brushq3.data_element3i = out;
4616 for (i = 0;i < count;i++, in++, out++)
4618 *out = LittleLong(*in);
4619 if (*out < 0 || *out >= loadmodel->brushq3.num_vertices)
4621 Con_Printf("Mod_Q3BSP_LoadTriangles: invalid vertexindex %i (%i vertices), setting to 0\n", *out, loadmodel->brushq3.num_vertices);
4627 static void Mod_Q3BSP_LoadLightmaps(lump_t *l)
4636 in = (q3dlightmap_t *)(mod_base + l->fileofs);
4637 if (l->filelen % sizeof(*in))
4638 Host_Error("Mod_Q3BSP_LoadLightmaps: funny lump size in %s",loadmodel->name);
4639 count = l->filelen / sizeof(*in);
4640 out = (rtexture_t **)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4642 loadmodel->brushq3.data_lightmaps = out;
4643 loadmodel->brushq3.num_lightmaps = count;
4645 // deluxemapped q3bsp files have an even number of lightmaps, and surfaces
4646 // always index even numbered ones (0, 2, 4, ...), the odd numbered
4647 // lightmaps are the deluxemaps (light direction textures), so if we
4648 // encounter any odd numbered lightmaps it is not a deluxemapped bsp, it
4649 // is also not a deluxemapped bsp if it has an odd number of lightmaps or
4651 loadmodel->brushq3.deluxemapping = true;
4652 loadmodel->brushq3.deluxemapping_modelspace = true;
4653 if (count < 2 || (count & 1))
4654 loadmodel->brushq3.deluxemapping = false;
4656 // q3map2 sometimes (or always?) makes a second blank lightmap for no
4657 // reason when only one lightmap is used, which can throw off the
4658 // deluxemapping detection method, so check 2-lightmap bsp's specifically
4659 // to see if the second lightmap is blank, if so it is not deluxemapped.
4662 c = in[count - 1].rgb;
4663 for (i = 0;i < 128*128*3;i++)
4668 // all pixels in the unused lightmap were black...
4669 loadmodel->brushq3.deluxemapping = false;
4673 // further deluxemapping detection is done in Mod_Q3BSP_LoadFaces
4675 for (i = 0;i < count;i++, in++, out++)
4676 *out = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%04i", i), 128, 128, in->rgb, TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
4679 static void Mod_Q3BSP_LoadFaces(lump_t *l)
4681 q3dface_t *in, *oldin;
4682 msurface_t *out, *oldout;
4683 int i, oldi, j, n, count, invalidelements, patchsize[2], finalwidth, finalheight, xtess, ytess, finalvertices, finaltriangles, firstvertex, firstelement, type, oldnumtriangles, oldnumtriangles2, meshvertices, meshtriangles, numvertices, numtriangles;
4684 //int *originalelement3i;
4685 //int *originalneighbor3i;
4686 float *originalvertex3f;
4687 //float *originalsvector3f;
4688 //float *originaltvector3f;
4689 float *originalnormal3f;
4690 float *originalcolor4f;
4691 float *originaltexcoordtexture2f;
4692 float *originaltexcoordlightmap2f;
4695 in = (q3dface_t *)(mod_base + l->fileofs);
4696 if (l->filelen % sizeof(*in))
4697 Host_Error("Mod_Q3BSP_LoadFaces: funny lump size in %s",loadmodel->name);
4698 count = l->filelen / sizeof(*in);
4699 out = (msurface_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
4701 loadmodel->data_surfaces = out;
4702 loadmodel->num_surfaces = count;
4704 // now that we have surfaces to look at, see if any of them index an odd numbered lightmap, if so this is not a deluxemapped bsp file
4705 if (loadmodel->brushq3.deluxemapping)
4707 for (i = 0;i < count;i++)
4709 n = LittleLong(in[i].lightmapindex);
4710 if (n >= 0 && ((n & 1) || n + 1 >= loadmodel->brushq3.num_lightmaps))
4712 loadmodel->brushq3.deluxemapping = false;
4717 Con_DPrintf("%s is %sdeluxemapped\n", loadmodel->name, loadmodel->brushq3.deluxemapping ? "" : "not ");
4725 for (;i < count;i++, in++, out++)
4727 // check face type first
4728 type = LittleLong(in->type);
4729 if (type != Q3FACETYPE_POLYGON
4730 && type != Q3FACETYPE_PATCH
4731 && type != Q3FACETYPE_MESH
4732 && type != Q3FACETYPE_FLARE)
4734 Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i: unknown face type %i\n", i, type);
4738 n = LittleLong(in->textureindex);
4739 if (n < 0 || n >= loadmodel->num_textures)
4741 Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i: invalid textureindex %i (%i textures)\n", i, n, loadmodel->num_textures);
4744 out->texture = loadmodel->data_textures + n;
4745 n = LittleLong(in->effectindex);
4746 if (n < -1 || n >= loadmodel->brushq3.num_effects)
4748 if (developer.integer >= 100)
4749 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid effectindex %i (%i effects)\n", i, out->texture->name, n, loadmodel->brushq3.num_effects);
4755 out->effect = loadmodel->brushq3.data_effects + n;
4756 n = LittleLong(in->lightmapindex);
4757 if (n >= loadmodel->brushq3.num_lightmaps)
4759 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid lightmapindex %i (%i lightmaps)\n", i, out->texture->name, n, loadmodel->brushq3.num_lightmaps);
4766 out->lightmaptexture = NULL;
4767 out->deluxemaptexture = r_texture_blanknormalmap;
4771 out->lightmaptexture = loadmodel->brushq3.data_lightmaps[n];
4772 if (loadmodel->brushq3.deluxemapping)
4773 out->deluxemaptexture = loadmodel->brushq3.data_lightmaps[n+1];
4775 out->deluxemaptexture = r_texture_blanknormalmap;
4778 firstvertex = LittleLong(in->firstvertex);
4779 numvertices = LittleLong(in->numvertices);
4780 firstelement = LittleLong(in->firstelement);
4781 numtriangles = LittleLong(in->numelements) / 3;
4782 if (numtriangles * 3 != LittleLong(in->numelements))
4784 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));
4787 if (firstvertex < 0 || firstvertex + numvertices > loadmodel->brushq3.num_vertices)
4789 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);
4792 if (firstelement < 0 || firstelement + numtriangles * 3 > loadmodel->brushq3.num_triangles * 3)
4794 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);
4799 case Q3FACETYPE_POLYGON:
4800 case Q3FACETYPE_MESH:
4801 // no processing necessary
4803 case Q3FACETYPE_PATCH:
4804 patchsize[0] = LittleLong(in->specific.patch.patchsize[0]);
4805 patchsize[1] = LittleLong(in->specific.patch.patchsize[1]);
4806 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))
4808 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid patchsize %ix%i\n", i, out->texture->name, patchsize[0], patchsize[1]);
4811 originalvertex3f = loadmodel->brushq3.data_vertex3f + firstvertex * 3;
4812 // convert patch to Q3FACETYPE_MESH
4813 xtess = Q3PatchTesselationOnX(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4814 ytess = Q3PatchTesselationOnY(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4815 // bound to user settings
4816 xtess = bound(r_subdivisions_mintess.integer, xtess, r_subdivisions_maxtess.integer);
4817 ytess = bound(r_subdivisions_mintess.integer, ytess, r_subdivisions_maxtess.integer);
4818 // bound to sanity settings
4819 xtess = bound(1, xtess, 1024);
4820 ytess = bound(1, ytess, 1024);
4821 // bound to user limit on vertices
4822 while ((xtess > 1 || ytess > 1) && (((patchsize[0] - 1) * xtess) + 1) * (((patchsize[1] - 1) * ytess) + 1) > min(r_subdivisions_maxvertices.integer, 262144))
4829 finalwidth = ((patchsize[0] - 1) * xtess) + 1;
4830 finalheight = ((patchsize[1] - 1) * ytess) + 1;
4831 numvertices = finalwidth * finalheight;
4832 numtriangles = (finalwidth - 1) * (finalheight - 1) * 2;
4834 case Q3FACETYPE_FLARE:
4835 if (developer.integer >= 100)
4836 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): Q3FACETYPE_FLARE not supported (yet)\n", i, out->texture->name);
4840 out->num_vertices = numvertices;
4841 out->num_triangles = numtriangles;
4842 meshvertices += out->num_vertices;
4843 meshtriangles += out->num_triangles;
4849 Mod_AllocSurfMesh(loadmodel->mempool, meshvertices, meshtriangles, false, true, false);
4852 for (;i < count && meshvertices + out->num_vertices <= loadmodel->surfmesh.num_vertices;i++, in++, out++)
4854 if (out->num_vertices < 3 || out->num_triangles < 1)
4857 type = LittleLong(in->type);
4858 firstvertex = LittleLong(in->firstvertex);
4859 firstelement = LittleLong(in->firstelement);
4860 out->num_firstvertex = meshvertices;
4861 out->num_firsttriangle = meshtriangles;
4864 case Q3FACETYPE_POLYGON:
4865 case Q3FACETYPE_MESH:
4866 // no processing necessary
4867 for (j = 0;j < out->num_vertices;j++)
4869 (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex)[j * 3 + 0] = loadmodel->brushq3.data_vertex3f[(firstvertex + j) * 3 + 0];
4870 (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex)[j * 3 + 1] = loadmodel->brushq3.data_vertex3f[(firstvertex + j) * 3 + 1];
4871 (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex)[j * 3 + 2] = loadmodel->brushq3.data_vertex3f[(firstvertex + j) * 3 + 2];
4872 (loadmodel->surfmesh.data_normal3f + 3 * out->num_firstvertex)[j * 3 + 0] = loadmodel->brushq3.data_normal3f[(firstvertex + j) * 3 + 0];
4873 (loadmodel->surfmesh.data_normal3f + 3 * out->num_firstvertex)[j * 3 + 1] = loadmodel->brushq3.data_normal3f[(firstvertex + j) * 3 + 1];
4874 (loadmodel->surfmesh.data_normal3f + 3 * out->num_firstvertex)[j * 3 + 2] = loadmodel->brushq3.data_normal3f[(firstvertex + j) * 3 + 2];
4875 (loadmodel->surfmesh.data_texcoordtexture2f + 2 * out->num_firstvertex)[j * 2 + 0] = loadmodel->brushq3.data_texcoordtexture2f[(firstvertex + j) * 2 + 0];
4876 (loadmodel->surfmesh.data_texcoordtexture2f + 2 * out->num_firstvertex)[j * 2 + 1] = loadmodel->brushq3.data_texcoordtexture2f[(firstvertex + j) * 2 + 1];
4877 (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * out->num_firstvertex)[j * 2 + 0] = loadmodel->brushq3.data_texcoordlightmap2f[(firstvertex + j) * 2 + 0];
4878 (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * out->num_firstvertex)[j * 2 + 1] = loadmodel->brushq3.data_texcoordlightmap2f[(firstvertex + j) * 2 + 1];
4879 (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 0] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 0];
4880 (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 1] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 1];
4881 (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 2] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 2];
4882 (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex)[j * 4 + 3] = loadmodel->brushq3.data_color4f[(firstvertex + j) * 4 + 3];
4884 for (j = 0;j < out->num_triangles*3;j++)
4885 (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] = loadmodel->brushq3.data_element3i[firstelement + j] + out->num_firstvertex;
4887 case Q3FACETYPE_PATCH:
4888 patchsize[0] = LittleLong(in->specific.patch.patchsize[0]);
4889 patchsize[1] = LittleLong(in->specific.patch.patchsize[1]);
4890 originalvertex3f = loadmodel->brushq3.data_vertex3f + firstvertex * 3;
4891 originalnormal3f = loadmodel->brushq3.data_normal3f + firstvertex * 3;
4892 originaltexcoordtexture2f = loadmodel->brushq3.data_texcoordtexture2f + firstvertex * 2;
4893 originaltexcoordlightmap2f = loadmodel->brushq3.data_texcoordlightmap2f + firstvertex * 2;
4894 originalcolor4f = loadmodel->brushq3.data_color4f + firstvertex * 4;
4895 // convert patch to Q3FACETYPE_MESH
4896 xtess = Q3PatchTesselationOnX(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4897 ytess = Q3PatchTesselationOnY(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value);
4898 // bound to user settings
4899 xtess = bound(r_subdivisions_mintess.integer, xtess, r_subdivisions_maxtess.integer);
4900 ytess = bound(r_subdivisions_mintess.integer, ytess, r_subdivisions_maxtess.integer);
4901 // bound to sanity settings
4902 xtess = bound(1, xtess, 1024);
4903 ytess = bound(1, ytess, 1024);
4904 // bound to user limit on vertices
4905 while ((xtess > 1 || ytess > 1) && (((patchsize[0] - 1) * xtess) + 1) * (((patchsize[1] - 1) * ytess) + 1) > min(r_subdivisions_maxvertices.integer, 262144))
4912 finalwidth = ((patchsize[0] - 1) * xtess) + 1;
4913 finalheight = ((patchsize[1] - 1) * ytess) + 1;
4914 finalvertices = finalwidth * finalheight;
4915 finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2;
4916 type = Q3FACETYPE_MESH;
4917 // generate geometry
4918 // (note: normals are skipped because they get recalculated)
4919 Q3PatchTesselateFloat(3, sizeof(float[3]), (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[3]), originalvertex3f, xtess, ytess);
4920 Q3PatchTesselateFloat(3, sizeof(float[3]), (loadmodel->surfmesh.data_normal3f + 3 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[3]), originalnormal3f, xtess, ytess);
4921 Q3PatchTesselateFloat(2, sizeof(float[2]), (loadmodel->surfmesh.data_texcoordtexture2f + 2 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[2]), originaltexcoordtexture2f, xtess, ytess);
4922 Q3PatchTesselateFloat(2, sizeof(float[2]), (loadmodel->surfmesh.data_texcoordlightmap2f + 2 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[2]), originaltexcoordlightmap2f, xtess, ytess);
4923 Q3PatchTesselateFloat(4, sizeof(float[4]), (loadmodel->surfmesh.data_lightmapcolor4f + 4 * out->num_firstvertex), patchsize[0], patchsize[1], sizeof(float[4]), originalcolor4f, xtess, ytess);
4924 Q3PatchTriangleElements((loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle), finalwidth, finalheight, out->num_firstvertex);
4925 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);
4926 if (developer.integer >= 100)
4928 if (out->num_triangles < finaltriangles)
4929 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);
4931 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);
4933 // q3map does not put in collision brushes for curves... ugh
4934 // build the lower quality collision geometry
4935 xtess = Q3PatchTesselationOnX(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_collision_tolerance.value);
4936 ytess = Q3PatchTesselationOnY(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_collision_tolerance.value);
4937 // bound to user settings
4938 xtess = bound(r_subdivisions_collision_mintess.integer, xtess, r_subdivisions_collision_maxtess.integer);
4939 ytess = bound(r_subdivisions_collision_mintess.integer, ytess, r_subdivisions_collision_maxtess.integer);
4940 // bound to sanity settings
4941 xtess = bound(1, xtess, 1024);
4942 ytess = bound(1, ytess, 1024);
4943 // bound to user limit on vertices
4944 while ((xtess > 1 || ytess > 1) && (((patchsize[0] - 1) * xtess) + 1) * (((patchsize[1] - 1) * ytess) + 1) > min(r_subdivisions_collision_maxvertices.integer, 262144))
4951 finalwidth = ((patchsize[0] - 1) * xtess) + 1;
4952 finalheight = ((patchsize[1] - 1) * ytess) + 1;
4953 finalvertices = finalwidth * finalheight;
4954 finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2;
4956 out->data_collisionvertex3f = (float *)Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * finalvertices);
4957 out->data_collisionelement3i = (int *)Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * finaltriangles);
4958 out->num_collisionvertices = finalvertices;
4959 out->num_collisiontriangles = finaltriangles;
4960 Q3PatchTesselateFloat(3, sizeof(float[3]), out->data_collisionvertex3f, patchsize[0], patchsize[1], sizeof(float[3]), originalvertex3f, xtess, ytess);
4961 Q3PatchTriangleElements(out->data_collisionelement3i, finalwidth, finalheight, 0);
4963 //Mod_SnapVertices(3, out->num_vertices, (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), 0.25);
4964 Mod_SnapVertices(3, out->num_collisionvertices, out->data_collisionvertex3f, 1);
4966 oldnumtriangles = out->num_triangles;
4967 oldnumtriangles2 = out->num_collisiontriangles;
4968 out->num_collisiontriangles = Mod_RemoveDegenerateTriangles(out->num_collisiontriangles, out->data_collisionelement3i, out->data_collisionelement3i, out->data_collisionvertex3f);
4969 if (developer.integer >= 100)
4970 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);
4975 meshvertices += out->num_vertices;
4976 meshtriangles += out->num_triangles;
4977 for (j = 0, invalidelements = 0;j < out->num_triangles * 3;j++)
4978 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)
4980 if (invalidelements)
4982 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);
4983 for (j = 0;j < out->num_triangles * 3;j++)
4985 Con_Printf(" %i", (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] - out->num_firstvertex);
4986 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)
4987 (loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle)[j] = out->num_firstvertex;
4991 // calculate a bounding box
4992 VectorClear(out->mins);
4993 VectorClear(out->maxs);
4994 if (out->num_vertices)
4996 VectorCopy((loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), out->mins);
4997 VectorCopy((loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), out->maxs);
4998 for (j = 1, v = (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex) + 3;j < out->num_vertices;j++, v += 3)
5000 out->mins[0] = min(out->mins[0], v[0]);
5001 out->maxs[0] = max(out->maxs[0], v[0]);
5002 out->mins[1] = min(out->mins[1], v[1]);
5003 out->maxs[1] = max(out->maxs[1], v[1]);
5004 out->mins[2] = min(out->mins[2], v[2]);
5005 out->maxs[2] = max(out->maxs[2], v[2]);
5007 out->mins[0] -= 1.0f;
5008 out->mins[1] -= 1.0f;
5009 out->mins[2] -= 1.0f;
5010 out->maxs[0] += 1.0f;
5011 out->maxs[1] += 1.0f;
5012 out->maxs[2] += 1.0f;
5014 // set lightmap styles for consistency with q1bsp
5015 //out->lightmapinfo->styles[0] = 0;
5016 //out->lightmapinfo->styles[1] = 255;
5017 //out->lightmapinfo->styles[2] = 255;
5018 //out->lightmapinfo->styles[3] = 255;
5021 // for per pixel lighting
5022 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);
5024 // free the no longer needed vertex data
5025 loadmodel->brushq3.num_vertices = 0;
5026 if (loadmodel->brushq3.data_vertex3f)
5027 Mem_Free(loadmodel->brushq3.data_vertex3f);
5028 loadmodel->brushq3.data_vertex3f = NULL;
5029 loadmodel->brushq3.data_normal3f = NULL;
5030 loadmodel->brushq3.data_texcoordtexture2f = NULL;
5031 loadmodel->brushq3.data_texcoordlightmap2f = NULL;
5032 loadmodel->brushq3.data_color4f = NULL;
5033 // free the no longer needed triangle data
5034 loadmodel->brushq3.num_triangles = 0;
5035 if (loadmodel->brushq3.data_element3i)
5036 Mem_Free(loadmodel->brushq3.data_element3i);
5037 loadmodel->brushq3.data_element3i = NULL;
5040 static void Mod_Q3BSP_LoadModels(lump_t *l)
5044 int i, j, n, c, count;
5046 in = (q3dmodel_t *)(mod_base + l->fileofs);
5047 if (l->filelen % sizeof(*in))
5048 Host_Error("Mod_Q3BSP_LoadModels: funny lump size in %s",loadmodel->name);
5049 count = l->filelen / sizeof(*in);
5050 out = (q3dmodel_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
5052 loadmodel->brushq3.data_models = out;
5053 loadmodel->brushq3.num_models = count;
5055 for (i = 0;i < count;i++, in++, out++)
5057 for (j = 0;j < 3;j++)
5059 out->mins[j] = LittleFloat(in->mins[j]);
5060 out->maxs[j] = LittleFloat(in->maxs[j]);
5062 n = LittleLong(in->firstface);
5063 c = LittleLong(in->numfaces);
5064 if (n < 0 || n + c > loadmodel->num_surfaces)
5065 Host_Error("Mod_Q3BSP_LoadModels: invalid face range %i : %i (%i faces)", n, n + c, loadmodel->num_surfaces);
5068 n = LittleLong(in->firstbrush);
5069 c = LittleLong(in->numbrushes);
5070 if (n < 0 || n + c > loadmodel->brush.num_brushes)
5071 Host_Error("Mod_Q3BSP_LoadModels: invalid brush range %i : %i (%i brushes)", n, n + c, loadmodel->brush.num_brushes);
5072 out->firstbrush = n;
5073 out->numbrushes = c;
5077 static void Mod_Q3BSP_LoadLeafBrushes(lump_t *l)
5083 in = (int *)(mod_base + l->fileofs);
5084 if (l->filelen % sizeof(*in))
5085 Host_Error("Mod_Q3BSP_LoadLeafBrushes: funny lump size in %s",loadmodel->name);
5086 count = l->filelen / sizeof(*in);
5087 out = (int *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
5089 loadmodel->brush.data_leafbrushes = out;
5090 loadmodel->brush.num_leafbrushes = count;
5092 for (i = 0;i < count;i++, in++, out++)
5094 n = LittleLong(*in);
5095 if (n < 0 || n >= loadmodel->brush.num_brushes)
5096 Host_Error("Mod_Q3BSP_LoadLeafBrushes: invalid brush index %i (%i brushes)", n, loadmodel->brush.num_brushes);
5101 static void Mod_Q3BSP_LoadLeafFaces(lump_t *l)
5107 in = (int *)(mod_base + l->fileofs);
5108 if (l->filelen % sizeof(*in))
5109 Host_Error("Mod_Q3BSP_LoadLeafFaces: funny lump size in %s",loadmodel->name);
5110 count = l->filelen / sizeof(*in);
5111 out = (int *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
5113 loadmodel->brush.data_leafsurfaces = out;
5114 loadmodel->brush.num_leafsurfaces = count;
5116 for (i = 0;i < count;i++, in++, out++)
5118 n = LittleLong(*in);
5119 if (n < 0 || n >= loadmodel->num_surfaces)
5120 Host_Error("Mod_Q3BSP_LoadLeafFaces: invalid face index %i (%i faces)", n, loadmodel->num_surfaces);
5125 static void Mod_Q3BSP_LoadLeafs(lump_t *l)
5129 int i, j, n, c, count;
5131 in = (q3dleaf_t *)(mod_base + l->fileofs);
5132 if (l->filelen % sizeof(*in))
5133 Host_Error("Mod_Q3BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
5134 count = l->filelen / sizeof(*in);
5135 out = (mleaf_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
5137 loadmodel->brush.data_leafs = out;
5138 loadmodel->brush.num_leafs = count;
5140 for (i = 0;i < count;i++, in++, out++)
5144 out->clusterindex = LittleLong(in->clusterindex);
5145 out->areaindex = LittleLong(in->areaindex);
5146 for (j = 0;j < 3;j++)
5148 // yes the mins/maxs are ints
5149 out->mins[j] = LittleLong(in->mins[j]) - 1;
5150 out->maxs[j] = LittleLong(in->maxs[j]) + 1;
5152 n = LittleLong(in->firstleafface);
5153 c = LittleLong(in->numleaffaces);
5154 if (n < 0 || n + c > loadmodel->brush.num_leafsurfaces)
5155 Host_Error("Mod_Q3BSP_LoadLeafs: invalid leafsurface range %i : %i (%i leafsurfaces)", n, n + c, loadmodel->brush.num_leafsurfaces);
5156 out->firstleafsurface = loadmodel->brush.data_leafsurfaces + n;
5157 out->numleafsurfaces = c;
5158 n = LittleLong(in->firstleafbrush);
5159 c = LittleLong(in->numleafbrushes);
5160 if (n < 0 || n + c > loadmodel->brush.num_leafbrushes)
5161 Host_Error("Mod_Q3BSP_LoadLeafs: invalid leafbrush range %i : %i (%i leafbrushes)", n, n + c, loadmodel->brush.num_leafbrushes);
5162 out->firstleafbrush = loadmodel->brush.data_leafbrushes + n;
5163 out->numleafbrushes = c;
5167 static void Mod_Q3BSP_LoadNodes(lump_t *l)
5173 in = (q3dnode_t *)(mod_base + l->fileofs);
5174 if (l->filelen % sizeof(*in))
5175 Host_Error("Mod_Q3BSP_LoadNodes: funny lump size in %s",loadmodel->name);
5176 count = l->filelen / sizeof(*in);
5177 out = (mnode_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
5179 loadmodel->brush.data_nodes = out;
5180 loadmodel->brush.num_nodes = count;
5182 for (i = 0;i < count;i++, in++, out++)
5185 n = LittleLong(in->planeindex);
5186 if (n < 0 || n >= loadmodel->brush.num_planes)
5187 Host_Error("Mod_Q3BSP_LoadNodes: invalid planeindex %i (%i planes)", n, loadmodel->brush.num_planes);
5188 out->plane = loadmodel->brush.data_planes + n;
5189 for (j = 0;j < 2;j++)
5191 n = LittleLong(in->childrenindex[j]);
5194 if (n >= loadmodel->brush.num_nodes)
5195 Host_Error("Mod_Q3BSP_LoadNodes: invalid child node index %i (%i nodes)", n, loadmodel->brush.num_nodes);
5196 out->children[j] = loadmodel->brush.data_nodes + n;
5201 if (n >= loadmodel->brush.num_leafs)
5202 Host_Error("Mod_Q3BSP_LoadNodes: invalid child leaf index %i (%i leafs)", n, loadmodel->brush.num_leafs);
5203 out->children[j] = (mnode_t *)(loadmodel->brush.data_leafs + n);
5206 for (j = 0;j < 3;j++)
5208 // yes the mins/maxs are ints
5209 out->mins[j] = LittleLong(in->mins[j]) - 1;
5210 out->maxs[j] = LittleLong(in->maxs[j]) + 1;
5214 // set the parent pointers
5215 Mod_Q1BSP_LoadNodes_RecursiveSetParent(loadmodel->brush.data_nodes, NULL);
5218 static void Mod_Q3BSP_LoadLightGrid(lump_t *l)
5221 q3dlightgrid_t *out;
5224 in = (q3dlightgrid_t *)(mod_base + l->fileofs);
5225 if (l->filelen % sizeof(*in))
5226 Host_Error("Mod_Q3BSP_LoadLightGrid: funny lump size in %s",loadmodel->name);
5227 loadmodel->brushq3.num_lightgrid_scale[0] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[0];
5228 loadmodel->brushq3.num_lightgrid_scale[1] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[1];
5229 loadmodel->brushq3.num_lightgrid_scale[2] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[2];
5230 loadmodel->brushq3.num_lightgrid_imins[0] = (int)ceil(loadmodel->brushq3.data_models->mins[0] * loadmodel->brushq3.num_lightgrid_scale[0]);
5231 loadmodel->brushq3.num_lightgrid_imins[1] = (int)ceil(loadmodel->brushq3.data_models->mins[1] * loadmodel->brushq3.num_lightgrid_scale[1]);
5232 loadmodel->brushq3.num_lightgrid_imins[2] = (int)ceil(loadmodel->brushq3.data_models->mins[2] * loadmodel->brushq3.num_lightgrid_scale[2]);
5233 loadmodel->brushq3.num_lightgrid_imaxs[0] = (int)floor(loadmodel->brushq3.data_models->maxs[0] * loadmodel->brushq3.num_lightgrid_scale[0]);
5234 loadmodel->brushq3.num_lightgrid_imaxs[1] = (int)floor(loadmodel->brushq3.data_models->maxs[1] * loadmodel->brushq3.num_lightgrid_scale[1]);
5235 loadmodel->brushq3.num_lightgrid_imaxs[2] = (int)floor(loadmodel->brushq3.data_models->maxs[2] * loadmodel->brushq3.num_lightgrid_scale[2]);
5236 loadmodel->brushq3.num_lightgrid_isize[0] = loadmodel->brushq3.num_lightgrid_imaxs[0] - loadmodel->brushq3.num_lightgrid_imins[0] + 1;
5237 loadmodel->brushq3.num_lightgrid_isize[1] = loadmodel->brushq3.num_lightgrid_imaxs[1] - loadmodel->brushq3.num_lightgrid_imins[1] + 1;
5238 loadmodel->brushq3.num_lightgrid_isize[2] = loadmodel->brushq3.num_lightgrid_imaxs[2] - loadmodel->brushq3.num_lightgrid_imins[2] + 1;
5239 count = loadmodel->brushq3.num_lightgrid_isize[0] * loadmodel->brushq3.num_lightgrid_isize[1] * loadmodel->brushq3.num_lightgrid_isize[2];
5240 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]);
5241 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]);
5243 // if lump is empty there is nothing to load, we can deal with that in the LightPoint code
5246 if (l->filelen < count * (int)sizeof(*in))
5247 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]);
5248 if (l->filelen != count * (int)sizeof(*in))
5249 Con_Printf("Mod_Q3BSP_LoadLightGrid: Warning: calculated lightgrid size %i bytes does not match lump size %i", count * sizeof(*in), l->filelen);
5250 out = (q3dlightgrid_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
5251 loadmodel->brushq3.data_lightgrid = out;
5252 loadmodel->brushq3.num_lightgrid = count;
5253 // no swapping or validation necessary
5254 memcpy(out, in, count * (int)sizeof(*out));
5258 static void Mod_Q3BSP_LoadPVS(lump_t *l)
5263 if (l->filelen == 0)
5266 // unvised maps often have cluster indices even without pvs, so check
5267 // leafs to find real number of clusters
5268 loadmodel->brush.num_pvsclusters = 1;
5269 for (i = 0;i < loadmodel->brush.num_leafs;i++)
5270 loadmodel->brush.num_pvsclusters = max(loadmodel->brush.num_pvsclusters, loadmodel->brush.data_leafs[i].clusterindex + 1);
5273 loadmodel->brush.num_pvsclusterbytes = (loadmodel->brush.num_pvsclusters + 7) / 8;
5274 totalchains = loadmodel->brush.num_pvsclusterbytes * loadmodel->brush.num_pvsclusters;
5275 loadmodel->brush.data_pvsclusters = (unsigned char *)Mem_Alloc(loadmodel->mempool, totalchains);
5276 memset(loadmodel->brush.data_pvsclusters, 0xFF, totalchains);
5280 in = (q3dpvs_t *)(mod_base + l->fileofs);
5282 Host_Error("Mod_Q3BSP_LoadPVS: funny lump size in %s",loadmodel->name);
5284 loadmodel->brush.num_pvsclusters = LittleLong(in->numclusters);
5285 loadmodel->brush.num_pvsclusterbytes = LittleLong(in->chainlength);
5286 if (loadmodel->brush.num_pvsclusterbytes < ((loadmodel->brush.num_pvsclusters + 7) / 8))
5287 Host_Error("Mod_Q3BSP_LoadPVS: (chainlength = %i) < ((numclusters = %i) + 7) / 8", loadmodel->brush.num_pvsclusterbytes, loadmodel->brush.num_pvsclusters);
5288 totalchains = loadmodel->brush.num_pvsclusterbytes * loadmodel->brush.num_pvsclusters;
5289 if (l->filelen < totalchains + (int)sizeof(*in))
5290 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);
5292 loadmodel->brush.data_pvsclusters = (unsigned char *)Mem_Alloc(loadmodel->mempool, totalchains);
5293 memcpy(loadmodel->brush.data_pvsclusters, (unsigned char *)(in + 1), totalchains);
5296 static void Mod_Q3BSP_LightPoint(model_t *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal)
5298 int i, j, k, index[3];
5299 float transformed[3], blend1, blend2, blend, yaw, pitch, sinpitch, stylescale;
5300 q3dlightgrid_t *a, *s;
5302 // scale lighting by lightstyle[0] so that darkmode in dpmod works properly
5303 stylescale = r_refdef.lightstylevalue[0] * (1.0f / 264.0f);
5305 if (!model->brushq3.num_lightgrid)
5307 ambientcolor[0] = stylescale;
5308 ambientcolor[1] = stylescale;
5309 ambientcolor[2] = stylescale;
5313 Matrix4x4_Transform(&model->brushq3.num_lightgrid_indexfromworld, p, transformed);
5314 //Matrix4x4_Print(&model->brushq3.num_lightgrid_indexfromworld);
5315 //Con_Printf("%f %f %f transformed %f %f %f clamped ", p[0], p[1], p[2], transformed[0], transformed[1], transformed[2]);
5316 transformed[0] = bound(0, transformed[0], model->brushq3.num_lightgrid_isize[0] - 1);
5317 transformed[1] = bound(0, transformed[1], model->brushq3.num_lightgrid_isize[1] - 1);
5318 transformed[2] = bound(0, transformed[2], model->brushq3.num_lightgrid_isize[2] - 1);
5319 index[0] = (int)floor(transformed[0]);
5320 index[1] = (int)floor(transformed[1]);
5321 index[2] = (int)floor(transformed[2]);
5322 //Con_Printf("%f %f %f index %i %i %i:\n", transformed[0], transformed[1], transformed[2], index[0], index[1], index[2]);
5324 // now lerp the values
5325 VectorClear(diffusenormal);
5326 a = &model->brushq3.data_lightgrid[(index[2] * model->brushq3.num_lightgrid_isize[1] + index[1]) * model->brushq3.num_lightgrid_isize[0] + index[0]];
5327 for (k = 0;k < 2;k++)
5329 blend1 = (k ? (transformed[2] - index[2]) : (1 - (transformed[2] - index[2])));
5330 if (blend1 < 0.001f || index[2] + k >= model->brushq3.num_lightgrid_isize[2])
5332 for (j = 0;j < 2;j++)
5334 blend2 = blend1 * (j ? (transformed[1] - index[1]) : (1 - (transformed[1] - index[1])));
5335 if (blend2 < 0.001f || index[1] + j >= model->brushq3.num_lightgrid_isize[1])
5337 for (i = 0;i < 2;i++)
5339 blend = blend2 * (i ? (transformed[0] - index[0]) : (1 - (transformed[0] - index[0]))) * stylescale;
5340 if (blend < 0.001f || index[0] + i >= model->brushq3.num_lightgrid_isize[0])
5342 s = a + (k * model->brushq3.num_lightgrid_isize[1] + j) * model->brushq3.num_lightgrid_isize[0] + i;
5343 VectorMA(ambientcolor, blend * (1.0f / 128.0f), s->ambientrgb, ambientcolor);
5344 VectorMA(diffusecolor, blend * (1.0f / 128.0f), s->diffusergb, diffusecolor);
5345 pitch = s->diffusepitch * M_PI / 128;
5346 yaw = s->diffuseyaw * M_PI / 128;
5347 sinpitch = sin(pitch);
5348 diffusenormal[0] += blend * (cos(yaw) * sinpitch);
5349 diffusenormal[1] += blend * (sin(yaw) * sinpitch);
5350 diffusenormal[2] += blend * (cos(pitch));
5351 //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)));
5356 // normalize the light direction before turning
5357 VectorNormalize(diffusenormal);
5358 //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]);
5361 static void Mod_Q3BSP_TracePoint_RecursiveBSPNode(trace_t *trace, model_t *model, mnode_t *node, const vec3_t point, int markframe)
5366 // find which leaf the point is in
5368 node = node->children[DotProduct(point, node->plane->normal) < node->plane->dist];
5369 // point trace the brushes
5370 leaf = (mleaf_t *)node;
5371 for (i = 0;i < leaf->numleafbrushes;i++)
5373 brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf;
5374 if (brush && brush->markframe != markframe && BoxesOverlap(point, point, brush->mins, brush->maxs))
5376 brush->markframe = markframe;
5377 Collision_TracePointBrushFloat(trace, point, brush);
5380 // can't do point traces on curves (they have no thickness)
5383 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)
5385 int i, startside, endside;
5386 float dist1, dist2, midfrac, mid[3], nodesegmentmins[3], nodesegmentmaxs[3];
5388 msurface_t *surface;
5391 // walk the tree until we hit a leaf, recursing for any split cases
5394 plane = node->plane;
5395 // axial planes are much more common than non-axial, so an optimized
5396 // axial case pays off here
5397 if (plane->type < 3)
5399 dist1 = start[plane->type] - plane->dist;
5400 dist2 = end[plane->type] - plane->dist;
5404 dist1 = DotProduct(start, plane->normal) - plane->dist;
5405 dist2 = DotProduct(end, plane->normal) - plane->dist;
5407 startside = dist1 < 0;
5408 endside = dist2 < 0;
5409 if (startside == endside)
5411 // most of the time the line fragment is on one side of the plane
5412 node = node->children[startside];
5416 // line crosses node plane, split the line
5417 dist1 = PlaneDiff(linestart, plane);
5418 dist2 = PlaneDiff(lineend, plane);
5419 midfrac = dist1 / (dist1 - dist2);
5420 VectorLerp(linestart, midfrac, lineend, mid);
5421 // take the near side first
5422 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, node->children[startside], start, mid, startfrac, midfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
5423 // if we found an impact on the front side, don't waste time
5424 // exploring the far side
5425 if (midfrac <= trace->realfraction)
5426 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, node->children[endside], mid, end, midfrac, endfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
5431 nodesegmentmins[0] = min(start[0], end[0]) - 1;
5432 nodesegmentmins[1] = min(start[1], end[1]) - 1;
5433 nodesegmentmins[2] = min(start[2], end[2]) - 1;
5434 nodesegmentmaxs[0] = max(start[0], end[0]) + 1;
5435 nodesegmentmaxs[1] = max(start[1], end[1]) + 1;
5436 nodesegmentmaxs[2] = max(start[2], end[2]) + 1;
5437 // line trace the brushes
5438 leaf = (mleaf_t *)node;
5439 for (i = 0;i < leaf->numleafbrushes;i++)
5441 brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf;
5442 if (brush && brush->markframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, brush->mins, brush->maxs))
5444 brush->markframe = markframe;
5445 Collision_TraceLineBrushFloat(trace, linestart, lineend, brush, brush);
5448 // can't do point traces on curves (they have no thickness)
5449 if (mod_q3bsp_curves_collisions.integer && !VectorCompare(start, end))
5451 // line trace the curves
5452 for (i = 0;i < leaf->numleafsurfaces;i++)
5454 surface = model->data_surfaces + leaf->firstleafsurface[i];
5455 if (surface->num_collisiontriangles && surface->collisionmarkframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, surface->mins, surface->maxs))
5457 surface->collisionmarkframe = markframe;
5458 Collision_TraceLineTriangleMeshFloat(trace, linestart, lineend, surface->num_collisiontriangles, surface->data_collisionelement3i, surface->data_collisionvertex3f, surface->texture->supercontents, surface->texture->surfaceflags, surface->texture, segmentmins, segmentmaxs);
5464 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)
5470 msurface_t *surface;
5472 float nodesegmentmins[3], nodesegmentmaxs[3];
5473 // walk the tree until we hit a leaf, recursing for any split cases
5476 plane = node->plane;
5477 // axial planes are much more common than non-axial, so an optimized
5478 // axial case pays off here
5479 if (plane->type < 3)
5481 // this is an axial plane, compare bounding box directly to it and
5482 // recurse sides accordingly
5483 // recurse down node sides
5484 // use an inlined axial BoxOnPlaneSide to slightly reduce overhead
5485 //sides = BoxOnPlaneSide(nodesegmentmins, nodesegmentmaxs, plane);
5486 //sides = ((segmentmaxs[plane->type] >= plane->dist) | ((segmentmins[plane->type] < plane->dist) << 1));
5487 sides = ((segmentmaxs[plane->type] >= plane->dist) + ((segmentmins[plane->type] < plane->dist) * 2));
5491 // this is a non-axial plane, so check if the start and end boxes
5492 // are both on one side of the plane to handle 'diagonal' cases
5493 sides = BoxOnPlaneSide(thisbrush_start->mins, thisbrush_start->maxs, plane) | BoxOnPlaneSide(thisbrush_end->mins, thisbrush_end->maxs, plane);
5497 // segment crosses plane
5498 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, model, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
5501 // if sides == 0 then the trace itself is bogus (Not A Number values),
5502 // in this case we simply pretend the trace hit nothing
5504 return; // ERROR: NAN bounding box!
5505 // take whichever side the segment box is on
5506 node = node->children[sides - 1];
5508 nodesegmentmins[0] = max(segmentmins[0], node->mins[0] - 1);
5509 nodesegmentmins[1] = max(segmentmins[1], node->mins[1] - 1);
5510 nodesegmentmins[2] = max(segmentmins[2], node->mins[2] - 1);
5511 nodesegmentmaxs[0] = min(segmentmaxs[0], node->maxs[0] + 1);
5512 nodesegmentmaxs[1] = min(segmentmaxs[1], node->maxs[1] + 1);
5513 nodesegmentmaxs[2] = min(segmentmaxs[2], node->maxs[2] + 1);
5515 leaf = (mleaf_t *)node;
5516 for (i = 0;i < leaf->numleafbrushes;i++)
5518 brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf;
5519 if (brush && brush->markframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, brush->mins, brush->maxs))
5521 brush->markframe = markframe;
5522 Collision_TraceBrushBrushFloat(trace, thisbrush_start, thisbrush_end, brush, brush);
5525 if (mod_q3bsp_curves_collisions.integer)
5527 for (i = 0;i < leaf->numleafsurfaces;i++)
5529 surface = model->data_surfaces + leaf->firstleafsurface[i];
5530 if (surface->num_collisiontriangles && surface->collisionmarkframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, surface->mins, surface->maxs))
5532 surface->collisionmarkframe = markframe;
5533 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);
5539 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)
5542 float segmentmins[3], segmentmaxs[3];
5543 static int markframe = 0;
5544 msurface_t *surface;
5546 memset(trace, 0, sizeof(*trace));
5547 trace->fraction = 1;
5548 trace->realfraction = 1;
5549 trace->hitsupercontentsmask = hitsupercontentsmask;
5550 if (mod_q3bsp_optimizedtraceline.integer && VectorLength2(boxmins) + VectorLength2(boxmaxs) == 0)
5552 if (VectorCompare(start, end))
5555 if (model->brush.submodel)
5557 for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
5558 if (brush->colbrushf)
5559 Collision_TracePointBrushFloat(trace, start, brush->colbrushf);
5562 Mod_Q3BSP_TracePoint_RecursiveBSPNode(trace, model, model->brush.data_nodes, start, ++markframe);
5567 segmentmins[0] = min(start[0], end[0]) - 1;
5568 segmentmins[1] = min(start[1], end[1]) - 1;
5569 segmentmins[2] = min(start[2], end[2]) - 1;
5570 segmentmaxs[0] = max(start[0], end[0]) + 1;
5571 segmentmaxs[1] = max(start[1], end[1]) + 1;
5572 segmentmaxs[2] = max(start[2], end[2]) + 1;
5573 if (model->brush.submodel)
5575 for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
5576 if (brush->colbrushf)
5577 Collision_TraceLineBrushFloat(trace, start, end, brush->colbrushf, brush->colbrushf);
5578 if (mod_q3bsp_curves_collisions.integer)
5579 for (i = 0, surface = model->data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
5580 if (surface->num_collisiontriangles)
5581 Collision_TraceLineTriangleMeshFloat(trace, start, end, surface->num_collisiontriangles, surface->data_collisionelement3i, surface->data_collisionvertex3f, surface->texture->supercontents, surface->texture->surfaceflags, surface->texture, segmentmins, segmentmaxs);
5584 Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, model->brush.data_nodes, start, end, 0, 1, start, end, ++markframe, segmentmins, segmentmaxs);
5589 // box trace, performed as brush trace
5590 colbrushf_t *thisbrush_start, *thisbrush_end;
5591 vec3_t boxstartmins, boxstartmaxs, boxendmins, boxendmaxs;
5592 segmentmins[0] = min(start[0], end[0]) + boxmins[0] - 1;
5593 segmentmins[1] = min(start[1], end[1]) + boxmins[1] - 1;
5594 segmentmins[2] = min(start[2], end[2]) + boxmins[2] - 1;
5595 segmentmaxs[0] = max(start[0], end[0]) + boxmaxs[0] + 1;
5596 segmentmaxs[1] = max(start[1], end[1]) + boxmaxs[1] + 1;
5597 segmentmaxs[2] = max(start[2], end[2]) + boxmaxs[2] + 1;
5598 VectorAdd(start, boxmins, boxstartmins);
5599 VectorAdd(start, boxmaxs, boxstartmaxs);
5600 VectorAdd(end, boxmins, boxendmins);
5601 VectorAdd(end, boxmaxs, boxendmaxs);
5602 thisbrush_start = Collision_BrushForBox(&identitymatrix, boxstartmins, boxstartmaxs, 0, 0, NULL);
5603 thisbrush_end = Collision_BrushForBox(&identitymatrix, boxendmins, boxendmaxs, 0, 0, NULL);
5604 if (model->brush.submodel)
5606 for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
5607 if (brush->colbrushf)
5608 Collision_TraceBrushBrushFloat(trace, thisbrush_start, thisbrush_end, brush->colbrushf, brush->colbrushf);
5609 if (mod_q3bsp_curves_collisions.integer)
5610 for (i = 0, surface = model->data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
5611 if (surface->num_collisiontriangles)
5612 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);
5615 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, model, model->brush.data_nodes, thisbrush_start, thisbrush_end, ++markframe, segmentmins, segmentmaxs);
5619 static int Mod_Q3BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents)
5621 int supercontents = 0;
5622 if (nativecontents & CONTENTSQ3_SOLID)
5623 supercontents |= SUPERCONTENTS_SOLID;
5624 if (nativecontents & CONTENTSQ3_WATER)
5625 supercontents |= SUPERCONTENTS_WATER;
5626 if (nativecontents & CONTENTSQ3_SLIME)
5627 supercontents |= SUPERCONTENTS_SLIME;
5628 if (nativecontents & CONTENTSQ3_LAVA)
5629 supercontents |= SUPERCONTENTS_LAVA;
5630 if (nativecontents & CONTENTSQ3_BODY)
5631 supercontents |= SUPERCONTENTS_BODY;
5632 if (nativecontents & CONTENTSQ3_CORPSE)
5633 supercontents |= SUPERCONTENTS_CORPSE;
5634 if (nativecontents & CONTENTSQ3_NODROP)
5635 supercontents |= SUPERCONTENTS_NODROP;
5636 if (nativecontents & CONTENTSQ3_PLAYERCLIP)
5637 supercontents |= SUPERCONTENTS_PLAYERCLIP;
5638 if (nativecontents & CONTENTSQ3_MONSTERCLIP)
5639 supercontents |= SUPERCONTENTS_MONSTERCLIP;
5640 if (nativecontents & CONTENTSQ3_DONOTENTER)
5641 supercontents |= SUPERCONTENTS_DONOTENTER;
5642 return supercontents;
5645 static int Mod_Q3BSP_NativeContentsFromSuperContents(model_t *model, int supercontents)
5647 int nativecontents = 0;
5648 if (supercontents & SUPERCONTENTS_SOLID)
5649 nativecontents |= CONTENTSQ3_SOLID;
5650 if (supercontents & SUPERCONTENTS_WATER)
5651 nativecontents |= CONTENTSQ3_WATER;
5652 if (supercontents & SUPERCONTENTS_SLIME)
5653 nativecontents |= CONTENTSQ3_SLIME;
5654 if (supercontents & SUPERCONTENTS_LAVA)
5655 nativecontents |= CONTENTSQ3_LAVA;
5656 if (supercontents & SUPERCONTENTS_BODY)
5657 nativecontents |= CONTENTSQ3_BODY;
5658 if (supercontents & SUPERCONTENTS_CORPSE)
5659 nativecontents |= CONTENTSQ3_CORPSE;
5660 if (supercontents & SUPERCONTENTS_NODROP)
5661 nativecontents |= CONTENTSQ3_NODROP;
5662 if (supercontents & SUPERCONTENTS_PLAYERCLIP)
5663 nativecontents |= CONTENTSQ3_PLAYERCLIP;
5664 if (supercontents & SUPERCONTENTS_MONSTERCLIP)
5665 nativecontents |= CONTENTSQ3_MONSTERCLIP;
5666 if (supercontents & SUPERCONTENTS_DONOTENTER)
5667 nativecontents |= CONTENTSQ3_DONOTENTER;
5668 return nativecontents;
5671 void Mod_Q3BSP_RecursiveFindNumLeafs(mnode_t *node)
5676 Mod_Q3BSP_RecursiveFindNumLeafs(node->children[0]);
5677 node = node->children[1];
5679 numleafs = ((mleaf_t *)node - loadmodel->brush.data_leafs) + 1;
5680 if (loadmodel->brush.num_leafs < numleafs)
5681 loadmodel->brush.num_leafs = numleafs;
5684 void Mod_Q3BSP_Load(model_t *mod, void *buffer, void *bufferend)
5686 int i, j, numshadowmeshtriangles;
5687 q3dheader_t *header;
5688 float corner[3], yawradius, modelradius;
5689 msurface_t *surface;
5691 mod->type = mod_brushq3;
5692 mod->numframes = 2; // although alternate textures are not supported it is annoying to complain about no such frame 1
5695 header = (q3dheader_t *)buffer;
5697 i = LittleLong(header->version);
5698 if (i != Q3BSPVERSION)
5699 Host_Error("Mod_Q3BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q3BSPVERSION);
5700 mod->brush.ishlbsp = false;
5701 mod->brush.ismcbsp = false;
5702 if (loadmodel->isworldmodel)
5704 Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
5705 Cvar_SetValue("mcbsp", mod->brush.ismcbsp);
5708 mod->soundfromcenter = true;
5709 mod->TraceBox = Mod_Q3BSP_TraceBox;
5710 mod->brush.SuperContentsFromNativeContents = Mod_Q3BSP_SuperContentsFromNativeContents;
5711 mod->brush.NativeContentsFromSuperContents = Mod_Q3BSP_NativeContentsFromSuperContents;
5712 mod->brush.GetPVS = Mod_Q1BSP_GetPVS;
5713 mod->brush.FatPVS = Mod_Q1BSP_FatPVS;
5714 mod->brush.BoxTouchingPVS = Mod_Q1BSP_BoxTouchingPVS;
5715 mod->brush.BoxTouchingLeafPVS = Mod_Q1BSP_BoxTouchingLeafPVS;
5716 mod->brush.BoxTouchingVisibleLeafs = Mod_Q1BSP_BoxTouchingVisibleLeafs;
5717 mod->brush.FindBoxClusters = Mod_Q1BSP_FindBoxClusters;
5718 mod->brush.LightPoint = Mod_Q3BSP_LightPoint;
5719 mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
5720 mod->brush.PointInLeaf = Mod_Q1BSP_PointInLeaf;
5721 mod->Draw = R_Q1BSP_Draw;
5722 mod->GetLightInfo = R_Q1BSP_GetLightInfo;
5723 mod->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
5724 mod->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
5725 mod->DrawLight = R_Q1BSP_DrawLight;
5727 mod_base = (unsigned char *)header;
5729 // swap all the lumps
5730 header->ident = LittleLong(header->ident);
5731 header->version = LittleLong(header->version);
5732 for (i = 0;i < Q3HEADER_LUMPS;i++)
5734 header->lumps[i].fileofs = LittleLong(header->lumps[i].fileofs);
5735 header->lumps[i].filelen = LittleLong(header->lumps[i].filelen);
5738 mod->brush.qw_md4sum = 0;
5739 mod->brush.qw_md4sum2 = 0;
5740 for (i = 0;i < Q3HEADER_LUMPS;i++)
5742 if (i == Q3LUMP_ENTITIES)
5744 mod->brush.qw_md4sum ^= Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen);
5745 if (i == Q3LUMP_PVS || i == Q3LUMP_LEAFS || i == Q3LUMP_NODES)
5747 mod->brush.qw_md4sum2 ^= Com_BlockChecksum(mod_base + header->lumps[i].fileofs, header->lumps[i].filelen);
5750 Mod_Q3BSP_LoadEntities(&header->lumps[Q3LUMP_ENTITIES]);
5751 Mod_Q3BSP_LoadTextures(&header->lumps[Q3LUMP_TEXTURES]);
5752 Mod_Q3BSP_LoadPlanes(&header->lumps[Q3LUMP_PLANES]);
5753 Mod_Q3BSP_LoadBrushSides(&header->lumps[Q3LUMP_BRUSHSIDES]);
5754 Mod_Q3BSP_LoadBrushes(&header->lumps[Q3LUMP_BRUSHES]);
5755 Mod_Q3BSP_LoadEffects(&header->lumps[Q3LUMP_EFFECTS]);
5756 Mod_Q3BSP_LoadVertices(&header->lumps[Q3LUMP_VERTICES]);
5757 Mod_Q3BSP_LoadTriangles(&header->lumps[Q3LUMP_TRIANGLES]);
5758 Mod_Q3BSP_LoadLightmaps(&header->lumps[Q3LUMP_LIGHTMAPS]);
5759 Mod_Q3BSP_LoadFaces(&header->lumps[Q3LUMP_FACES]);
5760 Mod_Q3BSP_LoadModels(&header->lumps[Q3LUMP_MODELS]);
5761 Mod_Q3BSP_LoadLeafBrushes(&header->lumps[Q3LUMP_LEAFBRUSHES]);
5762 Mod_Q3BSP_LoadLeafFaces(&header->lumps[Q3LUMP_LEAFFACES]);
5763 Mod_Q3BSP_LoadLeafs(&header->lumps[Q3LUMP_LEAFS]);
5764 Mod_Q3BSP_LoadNodes(&header->lumps[Q3LUMP_NODES]);
5765 Mod_Q3BSP_LoadLightGrid(&header->lumps[Q3LUMP_LIGHTGRID]);
5766 Mod_Q3BSP_LoadPVS(&header->lumps[Q3LUMP_PVS]);
5767 loadmodel->brush.numsubmodels = loadmodel->brushq3.num_models;
5769 // the MakePortals code works fine on the q3bsp data as well
5770 Mod_Q1BSP_MakePortals();
5772 // make a single combined shadow mesh to allow optimized shadow volume creation
5773 numshadowmeshtriangles = 0;
5774 for (j = 0, surface = loadmodel->data_surfaces;j < loadmodel->num_surfaces;j++, surface++)
5776 surface->num_firstshadowmeshtriangle = numshadowmeshtriangles;
5777 numshadowmeshtriangles += surface->num_triangles;
5779 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Begin(loadmodel->mempool, numshadowmeshtriangles * 3, numshadowmeshtriangles, NULL, NULL, NULL, false, false, true);
5780 for (j = 0, surface = loadmodel->data_surfaces;j < loadmodel->num_surfaces;j++, surface++)
5781 if (surface->num_triangles > 0)
5782 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));
5783 loadmodel->brush.shadowmesh = Mod_ShadowMesh_Finish(loadmodel->mempool, loadmodel->brush.shadowmesh, false, true);
5784 Mod_BuildTriangleNeighbors(loadmodel->brush.shadowmesh->neighbor3i, loadmodel->brush.shadowmesh->element3i, loadmodel->brush.shadowmesh->numtriangles);
5786 loadmodel->brush.num_leafs = 0;
5787 Mod_Q3BSP_RecursiveFindNumLeafs(loadmodel->brush.data_nodes);
5789 if (loadmodel->isworldmodel)
5791 // clear out any stale submodels or worldmodels lying around
5792 // if we did this clear before now, an error might abort loading and
5793 // leave things in a bad state
5794 Mod_RemoveStaleWorldModels(loadmodel);
5798 for (i = 0;i < loadmodel->brush.numsubmodels;i++)
5803 // LordHavoc: only register submodels if it is the world
5804 // (prevents external bsp models from replacing world submodels with
5806 if (!loadmodel->isworldmodel)
5808 // duplicate the basic information
5809 sprintf(name, "*%i", i);
5810 mod = Mod_FindName(name);
5812 strlcpy(mod->name, name, sizeof(mod->name));
5813 // textures and memory belong to the main model
5814 mod->texturepool = NULL;
5815 mod->mempool = NULL;
5816 mod->brush.GetPVS = NULL;
5817 mod->brush.FatPVS = NULL;
5818 mod->brush.BoxTouchingPVS = NULL;
5819 mod->brush.BoxTouchingLeafPVS = NULL;
5820 mod->brush.BoxTouchingVisibleLeafs = NULL;
5821 mod->brush.FindBoxClusters = NULL;
5822 mod->brush.LightPoint = NULL;
5823 mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
5825 mod->brush.submodel = i;
5827 // make the model surface list (used by shadowing/lighting)
5828 mod->firstmodelsurface = mod->brushq3.data_models[i].firstface;
5829 mod->nummodelsurfaces = mod->brushq3.data_models[i].numfaces;
5830 mod->firstmodelbrush = mod->brushq3.data_models[i].firstbrush;
5831 mod->nummodelbrushes = mod->brushq3.data_models[i].numbrushes;
5832 mod->surfacelist = (int *)Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->surfacelist));
5833 for (j = 0;j < mod->nummodelsurfaces;j++)
5834 mod->surfacelist[j] = mod->firstmodelsurface + j;
5836 VectorCopy(mod->brushq3.data_models[i].mins, mod->normalmins);
5837 VectorCopy(mod->brushq3.data_models[i].maxs, mod->normalmaxs);
5838 corner[0] = max(fabs(mod->normalmins[0]), fabs(mod->normalmaxs[0]));
5839 corner[1] = max(fabs(mod->normalmins[1]), fabs(mod->normalmaxs[1]));
5840 corner[2] = max(fabs(mod->normalmins[2]), fabs(mod->normalmaxs[2]));
5841 modelradius = sqrt(corner[0]*corner[0]+corner[1]*corner[1]+corner[2]*corner[2]);
5842 yawradius = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
5843 mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius;
5844 mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
5845 mod->yawmaxs[0] = mod->yawmaxs[1] = yawradius;
5846 mod->yawmins[0] = mod->yawmins[1] = -yawradius;
5847 mod->yawmins[2] = mod->normalmins[2];
5848 mod->yawmaxs[2] = mod->normalmaxs[2];
5849 mod->radius = modelradius;
5850 mod->radius2 = modelradius * modelradius;
5852 for (j = 0;j < mod->nummodelsurfaces;j++)
5853 if (mod->data_surfaces[j + mod->firstmodelsurface].texture->surfaceflags & Q3SURFACEFLAG_SKY)
5855 if (j < mod->nummodelsurfaces)
5856 mod->DrawSky = R_Q1BSP_DrawSky;
5860 void Mod_IBSP_Load(model_t *mod, void *buffer, void *bufferend)
5862 int i = LittleLong(((int *)buffer)[1]);
5863 if (i == Q3BSPVERSION)
5864 Mod_Q3BSP_Load(mod,buffer, bufferend);
5865 else if (i == Q2BSPVERSION)
5866 Mod_Q2BSP_Load(mod,buffer, bufferend);
5868 Host_Error("Mod_IBSP_Load: unknown/unsupported version %i", i);
5871 void Mod_MAP_Load(model_t *mod, void *buffer, void *bufferend)
5873 Host_Error("Mod_MAP_Load: not yet implemented");