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.
26 // note: model_shared.c sets up r_notexture, and r_surf_notexture
28 qbyte mod_q1bsp_novis[(MAX_MAP_LEAFS + 7)/ 8];
30 //cvar_t r_subdivide_size = {CVAR_SAVE, "r_subdivide_size", "128"};
31 cvar_t halflifebsp = {0, "halflifebsp", "0"};
32 cvar_t r_novis = {0, "r_novis", "0"};
33 cvar_t r_miplightmaps = {CVAR_SAVE, "r_miplightmaps", "0"};
34 cvar_t r_lightmaprgba = {0, "r_lightmaprgba", "1"};
35 cvar_t r_nosurftextures = {0, "r_nosurftextures", "0"};
36 cvar_t r_sortsurfaces = {0, "r_sortsurfaces", "0"};
38 void Mod_BrushInit(void)
40 // Cvar_RegisterVariable(&r_subdivide_size);
41 Cvar_RegisterVariable(&halflifebsp);
42 Cvar_RegisterVariable(&r_novis);
43 Cvar_RegisterVariable(&r_miplightmaps);
44 Cvar_RegisterVariable(&r_lightmaprgba);
45 Cvar_RegisterVariable(&r_nosurftextures);
46 Cvar_RegisterVariable(&r_sortsurfaces);
47 memset(mod_q1bsp_novis, 0xff, sizeof(mod_q1bsp_novis));
50 static mleaf_t *Mod_Q1BSP_PointInLeaf(model_t *model, const vec3_t p)
57 Mod_CheckLoaded(model);
59 // LordHavoc: modified to start at first clip node,
60 // in other words: first node of the (sub)model
61 node = model->brushq1.nodes + model->brushq1.hulls[0].firstclipnode;
62 while (node->contents == 0)
63 node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct(p,node->plane->normal)) < node->plane->dist];
65 return (mleaf_t *)node;
68 static void Mod_Q1BSP_AmbientSoundLevelsForPoint(model_t *model, const vec3_t p, qbyte *out, int outsize)
72 leaf = Mod_Q1BSP_PointInLeaf(model, p);
75 i = min(outsize, (int)sizeof(leaf->ambient_sound_level));;
78 memcpy(out, leaf->ambient_sound_level, i);
84 memset(out, 0, outsize);
88 static int Mod_Q1BSP_BoxTouchingPVS_RecursiveBSPNode(const model_t *model, const mnode_t *node, const qbyte *pvs, const vec3_t mins, const vec3_t maxs)
92 if (node->contents < 0)
95 if (node->contents == CONTENTS_SOLID)
97 leafnum = (mleaf_t *)node - model->brushq1.leafs - 1;
98 return pvs[leafnum >> 3] & (1 << (leafnum & 7));
101 // node - recurse down the BSP tree
102 switch (BoxOnPlaneSide(mins, maxs, node->plane))
105 node = node->children[0];
108 node = node->children[1];
111 if (node->children[0]->contents != CONTENTS_SOLID)
112 if (Mod_Q1BSP_BoxTouchingPVS_RecursiveBSPNode(model, node->children[0], pvs, mins, maxs))
114 node = node->children[1];
121 int Mod_Q1BSP_BoxTouchingPVS(model_t *model, const qbyte *pvs, const vec3_t mins, const vec3_t maxs)
123 return Mod_Q1BSP_BoxTouchingPVS_RecursiveBSPNode(model, model->brushq1.nodes + model->brushq1.hulls[0].firstclipnode, pvs, mins, maxs);
127 static int Mod_Q1BSP_PointContents(model_t *model, const vec3_t p)
132 return CONTENTS_EMPTY;
134 Mod_CheckLoaded(model);
136 // LordHavoc: modified to start at first clip node,
137 // in other words: first node of the (sub)model
138 node = model->brushq1.nodes + model->brushq1.hulls[0].firstclipnode;
139 while (node->contents == 0)
140 node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct(p,node->plane->normal)) < node->plane->dist];
142 return ((mleaf_t *)node)->contents;
146 typedef struct findnonsolidlocationinfo_s
154 findnonsolidlocationinfo_t;
157 extern cvar_t samelevel;
159 static void Mod_Q1BSP_FindNonSolidLocation_r_Leaf(findnonsolidlocationinfo_t *info, mleaf_t *leaf)
161 int i, surfnum, k, *tri, *mark;
162 float dist, f, vert[3][3], edge[3][3], facenormal[3], edgenormal[3][3], point[3];
168 for (surfnum = 0, mark = leaf->firstmarksurface;surfnum < leaf->nummarksurfaces;surfnum++, mark++)
170 surf = info->model->brushq1.surfaces + *mark;
171 if (surf->flags & SURF_SOLIDCLIP)
174 VectorCopy(surf->plane->normal, surfnormal);
175 if (surf->flags & SURF_PLANEBACK)
176 VectorNegate(surfnormal, surfnormal);
178 for (mesh = surf->mesh;mesh;mesh = mesh->chain)
180 for (k = 0;k < mesh->numtriangles;k++)
182 tri = mesh->element3i + k * 3;
183 VectorCopy((mesh->vertex3f + tri[0] * 3), vert[0]);
184 VectorCopy((mesh->vertex3f + tri[1] * 3), vert[1]);
185 VectorCopy((mesh->vertex3f + tri[2] * 3), vert[2]);
186 VectorSubtract(vert[1], vert[0], edge[0]);
187 VectorSubtract(vert[2], vert[1], edge[1]);
188 CrossProduct(edge[1], edge[0], facenormal);
189 if (facenormal[0] || facenormal[1] || facenormal[2])
191 VectorNormalize(facenormal);
193 if (VectorDistance(facenormal, surfnormal) > 0.01f)
194 Con_Printf("a2! %f %f %f != %f %f %f\n", facenormal[0], facenormal[1], facenormal[2], surfnormal[0], surfnormal[1], surfnormal[2]);
196 f = DotProduct(info->center, facenormal) - DotProduct(vert[0], facenormal);
197 if (f <= info->bestdist && f >= -info->bestdist)
199 VectorSubtract(vert[0], vert[2], edge[2]);
200 VectorNormalize(edge[0]);
201 VectorNormalize(edge[1]);
202 VectorNormalize(edge[2]);
203 CrossProduct(facenormal, edge[0], edgenormal[0]);
204 CrossProduct(facenormal, edge[1], edgenormal[1]);
205 CrossProduct(facenormal, edge[2], edgenormal[2]);
207 if (samelevel.integer & 1)
208 VectorNegate(edgenormal[0], edgenormal[0]);
209 if (samelevel.integer & 2)
210 VectorNegate(edgenormal[1], edgenormal[1]);
211 if (samelevel.integer & 4)
212 VectorNegate(edgenormal[2], edgenormal[2]);
213 for (i = 0;i < 3;i++)
214 if (DotProduct(vert[0], edgenormal[i]) > DotProduct(vert[i], edgenormal[i]) + 0.1f
215 || DotProduct(vert[1], edgenormal[i]) > DotProduct(vert[i], edgenormal[i]) + 0.1f
216 || DotProduct(vert[2], edgenormal[i]) > DotProduct(vert[i], edgenormal[i]) + 0.1f)
217 Con_Printf("a! %i : %f %f %f (%f %f %f)\n", i, edgenormal[i][0], edgenormal[i][1], edgenormal[i][2], facenormal[0], facenormal[1], facenormal[2]);
220 if (DotProduct(info->center, edgenormal[0]) < DotProduct(vert[0], edgenormal[0])
221 && DotProduct(info->center, edgenormal[1]) < DotProduct(vert[1], edgenormal[1])
222 && DotProduct(info->center, edgenormal[2]) < DotProduct(vert[2], edgenormal[2]))
224 // we got lucky, the center is within the face
225 dist = DotProduct(info->center, facenormal) - DotProduct(vert[0], facenormal);
229 if (info->bestdist > dist)
231 info->bestdist = dist;
232 VectorScale(facenormal, (info->radius - -dist), info->nudge);
237 if (info->bestdist > dist)
239 info->bestdist = dist;
240 VectorScale(facenormal, (info->radius - dist), info->nudge);
246 // check which edge or vertex the center is nearest
247 for (i = 0;i < 3;i++)
249 f = DotProduct(info->center, edge[i]);
250 if (f >= DotProduct(vert[0], edge[i])
251 && f <= DotProduct(vert[1], edge[i]))
254 VectorMA(info->center, -f, edge[i], point);
255 dist = sqrt(DotProduct(point, point));
256 if (info->bestdist > dist)
258 info->bestdist = dist;
259 VectorScale(point, (info->radius / dist), info->nudge);
261 // skip both vertex checks
262 // (both are further away than this edge)
267 // not on edge, check first vertex of edge
268 VectorSubtract(info->center, vert[i], point);
269 dist = sqrt(DotProduct(point, point));
270 if (info->bestdist > dist)
272 info->bestdist = dist;
273 VectorScale(point, (info->radius / dist), info->nudge);
286 static void Mod_Q1BSP_FindNonSolidLocation_r(findnonsolidlocationinfo_t *info, mnode_t *node)
290 if (((mleaf_t *)node)->nummarksurfaces)
291 Mod_Q1BSP_FindNonSolidLocation_r_Leaf(info, (mleaf_t *)node);
295 float f = PlaneDiff(info->center, node->plane);
296 if (f >= -info->bestdist)
297 Mod_Q1BSP_FindNonSolidLocation_r(info, node->children[0]);
298 if (f <= info->bestdist)
299 Mod_Q1BSP_FindNonSolidLocation_r(info, node->children[1]);
303 static void Mod_Q1BSP_FindNonSolidLocation(model_t *model, const vec3_t in, vec3_t out, float radius)
306 findnonsolidlocationinfo_t info;
312 VectorCopy(in, info.center);
313 info.radius = radius;
318 VectorClear(info.nudge);
319 info.bestdist = radius;
320 Mod_Q1BSP_FindNonSolidLocation_r(&info, model->brushq1.nodes + model->brushq1.hulls[0].firstclipnode);
321 VectorAdd(info.center, info.nudge, info.center);
323 while (info.bestdist < radius && ++i < 10);
324 VectorCopy(info.center, out);
327 int Mod_Q1BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents)
329 switch(nativecontents)
334 return SUPERCONTENTS_SOLID;
336 return SUPERCONTENTS_WATER;
338 return SUPERCONTENTS_SLIME;
340 return SUPERCONTENTS_LAVA;
342 return SUPERCONTENTS_SKY;
347 int Mod_Q1BSP_NativeContentsFromSuperContents(model_t *model, int supercontents)
349 if (supercontents & SUPERCONTENTS_SOLID)
350 return CONTENTS_SOLID;
351 if (supercontents & SUPERCONTENTS_SKY)
353 if (supercontents & SUPERCONTENTS_LAVA)
354 return CONTENTS_LAVA;
355 if (supercontents & SUPERCONTENTS_SLIME)
356 return CONTENTS_SLIME;
357 if (supercontents & SUPERCONTENTS_WATER)
358 return CONTENTS_WATER;
359 return CONTENTS_EMPTY;
364 // the hull we're tracing through
367 // the trace structure to fill in
370 // start, end, and end - start (in model space)
375 RecursiveHullCheckTraceInfo_t;
377 // 1/32 epsilon to keep floating point happy
378 #define DIST_EPSILON (0.03125)
380 #define HULLCHECKSTATE_EMPTY 0
381 #define HULLCHECKSTATE_SOLID 1
382 #define HULLCHECKSTATE_DONE 2
384 static int Mod_Q1BSP_RecursiveHullCheck(RecursiveHullCheckTraceInfo_t *t, int num, double p1f, double p2f, double p1[3], double p2[3])
386 // status variables, these don't need to be saved on the stack when
387 // recursing... but are because this should be thread-safe
388 // (note: tracing against a bbox is not thread-safe, yet)
393 // variables that need to be stored on the stack when recursing
398 // LordHavoc: a goto! everyone flee in terror... :)
403 num = Mod_Q1BSP_SuperContentsFromNativeContents(NULL, num);
404 if (!t->trace->startfound)
406 t->trace->startfound = true;
407 t->trace->startsupercontents |= num;
409 if (num & SUPERCONTENTS_LIQUIDSMASK)
410 t->trace->inwater = true;
412 t->trace->inopen = true;
413 if (num & t->trace->hitsupercontentsmask)
415 // if the first leaf is solid, set startsolid
416 if (t->trace->allsolid)
417 t->trace->startsolid = true;
418 return HULLCHECKSTATE_SOLID;
422 t->trace->allsolid = false;
423 return HULLCHECKSTATE_EMPTY;
427 // find the point distances
428 node = t->hull->clipnodes + num;
430 plane = t->hull->planes + node->planenum;
433 t1 = p1[plane->type] - plane->dist;
434 t2 = p2[plane->type] - plane->dist;
438 t1 = DotProduct (plane->normal, p1) - plane->dist;
439 t2 = DotProduct (plane->normal, p2) - plane->dist;
446 num = node->children[1];
455 num = node->children[0];
461 // the line intersects, find intersection point
462 // LordHavoc: this uses the original trace for maximum accuracy
465 t1 = t->start[plane->type] - plane->dist;
466 t2 = t->end[plane->type] - plane->dist;
470 t1 = DotProduct (plane->normal, t->start) - plane->dist;
471 t2 = DotProduct (plane->normal, t->end) - plane->dist;
474 midf = t1 / (t1 - t2);
475 midf = bound(p1f, midf, p2f);
476 VectorMA(t->start, midf, t->dist, mid);
478 // recurse both sides, front side first
479 ret = Mod_Q1BSP_RecursiveHullCheck(t, node->children[side], p1f, midf, p1, mid);
480 // if this side is not empty, return what it is (solid or done)
481 if (ret != HULLCHECKSTATE_EMPTY)
484 ret = Mod_Q1BSP_RecursiveHullCheck(t, node->children[side ^ 1], midf, p2f, mid, p2);
485 // if other side is not solid, return what it is (empty or done)
486 if (ret != HULLCHECKSTATE_SOLID)
489 // front is air and back is solid, this is the impact point...
492 t->trace->plane.dist = -plane->dist;
493 VectorNegate (plane->normal, t->trace->plane.normal);
497 t->trace->plane.dist = plane->dist;
498 VectorCopy (plane->normal, t->trace->plane.normal);
501 // bias away from surface a bit
502 t1 = DotProduct(t->trace->plane.normal, t->start) - (t->trace->plane.dist + DIST_EPSILON);
503 t2 = DotProduct(t->trace->plane.normal, t->end) - (t->trace->plane.dist + DIST_EPSILON);
505 midf = t1 / (t1 - t2);
506 t->trace->fraction = bound(0.0f, midf, 1.0);
508 return HULLCHECKSTATE_DONE;
511 static void Mod_Q1BSP_TraceBox(struct model_s *model, trace_t *trace, const vec3_t boxstartmins, const vec3_t boxstartmaxs, const vec3_t boxendmins, const vec3_t boxendmaxs, int hitsupercontentsmask)
513 // this function currently only supports same size start and end
515 RecursiveHullCheckTraceInfo_t rhc;
517 memset(&rhc, 0, sizeof(rhc));
518 memset(trace, 0, sizeof(trace_t));
520 rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
521 rhc.trace->fraction = 1;
522 rhc.trace->allsolid = true;
523 VectorSubtract(boxstartmaxs, boxstartmins, boxsize);
525 rhc.hull = &model->brushq1.hulls[0]; // 0x0x0
526 else if (model->brush.ishlbsp)
528 if (boxsize[0] <= 32)
530 if (boxsize[2] < 54) // pick the nearest of 36 or 72
531 rhc.hull = &model->brushq1.hulls[3]; // 32x32x36
533 rhc.hull = &model->brushq1.hulls[1]; // 32x32x72
536 rhc.hull = &model->brushq1.hulls[2]; // 64x64x64
540 if (boxsize[0] <= 32)
541 rhc.hull = &model->brushq1.hulls[1]; // 32x32x56
543 rhc.hull = &model->brushq1.hulls[2]; // 64x64x88
545 VectorSubtract(boxstartmins, rhc.hull->clip_mins, rhc.start);
546 VectorSubtract(boxendmins, rhc.hull->clip_mins, rhc.end);
547 VectorSubtract(rhc.end, rhc.start, rhc.dist);
548 Mod_Q1BSP_RecursiveHullCheck(&rhc, rhc.hull->firstclipnode, 0, 1, rhc.start, rhc.end);
551 static int Mod_Q1BSP_LightPoint_RecursiveBSPNode(vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal, const mnode_t *node, float x, float y, float startz, float endz)
553 int side, distz = endz - startz;
558 if (node->contents < 0)
559 return false; // didn't hit anything
561 switch (node->plane->type)
564 node = node->children[x < node->plane->dist];
567 node = node->children[y < node->plane->dist];
570 side = startz < node->plane->dist;
571 if ((endz < node->plane->dist) == side)
573 node = node->children[side];
576 // found an intersection
577 mid = node->plane->dist;
580 back = front = x * node->plane->normal[0] + y * node->plane->normal[1];
581 front += startz * node->plane->normal[2];
582 back += endz * node->plane->normal[2];
583 side = front < node->plane->dist;
584 if ((back < node->plane->dist) == side)
586 node = node->children[side];
589 // found an intersection
590 mid = startz + distz * (front - node->plane->dist) / (front - back);
594 // go down front side
595 if (node->children[side]->contents >= 0 && Mod_Q1BSP_LightPoint_RecursiveBSPNode(ambientcolor, diffusecolor, diffusenormal, node->children[side], x, y, startz, mid))
596 return true; // hit something
599 // check for impact on this node
600 if (node->numsurfaces)
605 surf = cl.worldmodel->brushq1.surfaces + node->firstsurface;
606 for (i = 0;i < node->numsurfaces;i++, surf++)
608 if (!(surf->flags & SURF_LIGHTMAP))
609 continue; // no lightmaps
611 ds = (int) (x * surf->texinfo->vecs[0][0] + y * surf->texinfo->vecs[0][1] + mid * surf->texinfo->vecs[0][2] + surf->texinfo->vecs[0][3]);
612 dt = (int) (x * surf->texinfo->vecs[1][0] + y * surf->texinfo->vecs[1][1] + mid * surf->texinfo->vecs[1][2] + surf->texinfo->vecs[1][3]);
614 if (ds < surf->texturemins[0] || dt < surf->texturemins[1])
617 ds -= surf->texturemins[0];
618 dt -= surf->texturemins[1];
620 if (ds > surf->extents[0] || dt > surf->extents[1])
626 int 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;
627 line3 = ((surf->extents[0]>>4)+1)*3;
628 size3 = ((surf->extents[0]>>4)+1) * ((surf->extents[1]>>4)+1)*3; // LordHavoc: *3 for colored lighting
630 lightmap = surf->samples + ((dt>>4) * ((surf->extents[0]>>4)+1) + (ds>>4))*3; // LordHavoc: *3 for color
632 for (maps = 0;maps < MAXLIGHTMAPS && surf->styles[maps] != 255;maps++)
634 scale = d_lightstylevalue[surf->styles[maps]];
635 r00 += lightmap[ 0] * scale;g00 += lightmap[ 1] * scale;b00 += lightmap[ 2] * scale;
636 r01 += lightmap[ 3] * scale;g01 += lightmap[ 4] * scale;b01 += lightmap[ 5] * scale;
637 r10 += lightmap[line3+0] * scale;g10 += lightmap[line3+1] * scale;b10 += lightmap[line3+2] * scale;
638 r11 += lightmap[line3+3] * scale;g11 += lightmap[line3+4] * scale;b11 += lightmap[line3+5] * scale;
643 LordHavoc: here's the readable version of the interpolation
644 code, not quite as easy for the compiler to optimize...
646 dsfrac is the X position in the lightmap pixel, * 16
647 dtfrac is the Y position in the lightmap pixel, * 16
648 r00 is top left corner, r01 is top right corner
649 r10 is bottom left corner, r11 is bottom right corner
650 g and b are the same layout.
651 r0 and r1 are the top and bottom intermediate results
653 first we interpolate the top two points, to get the top
656 r0 = (((r01-r00) * dsfrac) >> 4) + r00;
657 g0 = (((g01-g00) * dsfrac) >> 4) + g00;
658 b0 = (((b01-b00) * dsfrac) >> 4) + b00;
660 then we interpolate the bottom two points, to get the
663 r1 = (((r11-r10) * dsfrac) >> 4) + r10;
664 g1 = (((g11-g10) * dsfrac) >> 4) + g10;
665 b1 = (((b11-b10) * dsfrac) >> 4) + b10;
667 then we interpolate the top and bottom samples to get the
668 middle sample (the one which was requested)
670 r = (((r1-r0) * dtfrac) >> 4) + r0;
671 g = (((g1-g0) * dtfrac) >> 4) + g0;
672 b = (((b1-b0) * dtfrac) >> 4) + b0;
675 ambientcolor[0] += (float) ((((((((r11-r10) * dsfrac) >> 4) + r10)-((((r01-r00) * dsfrac) >> 4) + r00)) * dtfrac) >> 4) + ((((r01-r00) * dsfrac) >> 4) + r00)) * (1.0f / 32768.0f);
676 ambientcolor[1] += (float) ((((((((g11-g10) * dsfrac) >> 4) + g10)-((((g01-g00) * dsfrac) >> 4) + g00)) * dtfrac) >> 4) + ((((g01-g00) * dsfrac) >> 4) + g00)) * (1.0f / 32768.0f);
677 ambientcolor[2] += (float) ((((((((b11-b10) * dsfrac) >> 4) + b10)-((((b01-b00) * dsfrac) >> 4) + b00)) * dtfrac) >> 4) + ((((b01-b00) * dsfrac) >> 4) + b00)) * (1.0f / 32768.0f);
679 return true; // success
684 node = node->children[side ^ 1];
686 distz = endz - startz;
691 void Mod_Q1BSP_LightPoint(model_t *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal)
693 Mod_Q1BSP_LightPoint_RecursiveBSPNode(ambientcolor, diffusecolor, diffusenormal, cl.worldmodel->brushq1.nodes + cl.worldmodel->brushq1.hulls[0].firstclipnode, p[0], p[1], p[2], p[2] - 65536);
696 static void Mod_Q1BSP_DecompressVis(const qbyte *in, const qbyte *inend, qbyte *out, qbyte *outend)
703 Con_Printf("Mod_Q1BSP_DecompressVis: input underrun\n");
711 for (c = *in++;c > 0;c--)
715 Con_Printf("Mod_Q1BSP_DecompressVis: output overrun\n");
724 static void Mod_Q1BSP_LoadTextures(lump_t *l)
726 int i, j, k, num, max, altmax, mtwidth, mtheight, *dofs, incomplete;
728 texture_t *tx, *tx2, *anims[10], *altanims[10];
730 qbyte *data, *mtdata;
733 loadmodel->brushq1.textures = NULL;
738 m = (dmiptexlump_t *)(mod_base + l->fileofs);
740 m->nummiptex = LittleLong (m->nummiptex);
742 // add two slots for notexture walls and notexture liquids
743 loadmodel->brushq1.numtextures = m->nummiptex + 2;
744 loadmodel->brushq1.textures = Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.numtextures * sizeof(texture_t));
746 // fill out all slots with notexture
747 for (i = 0, tx = loadmodel->brushq1.textures;i < loadmodel->brushq1.numtextures;i++, tx++)
750 strcpy(tx->name, "NO TEXTURE FOUND");
753 tx->skin.base = r_notexture;
754 tx->shader = &Cshader_wall_lightmap;
755 tx->flags = SURF_SOLIDCLIP;
756 if (i == loadmodel->brushq1.numtextures - 1)
758 tx->flags |= SURF_DRAWTURB | SURF_LIGHTBOTHSIDES;
759 tx->shader = &Cshader_water;
761 tx->currentframe = tx;
764 // just to work around bounds checking when debugging with it (array index out of bounds error thing)
766 // LordHavoc: mostly rewritten map texture loader
767 for (i = 0;i < m->nummiptex;i++)
769 dofs[i] = LittleLong(dofs[i]);
770 if (dofs[i] == -1 || r_nosurftextures.integer)
772 dmiptex = (miptex_t *)((qbyte *)m + dofs[i]);
774 // make sure name is no more than 15 characters
775 for (j = 0;dmiptex->name[j] && j < 15;j++)
776 name[j] = dmiptex->name[j];
779 mtwidth = LittleLong(dmiptex->width);
780 mtheight = LittleLong(dmiptex->height);
782 j = LittleLong(dmiptex->offsets[0]);
786 if (j < 40 || j + mtwidth * mtheight > l->filelen)
788 Con_Printf("Texture \"%s\" in \"%s\"is corrupt or incomplete\n", dmiptex->name, loadmodel->name);
791 mtdata = (qbyte *)dmiptex + j;
794 if ((mtwidth & 15) || (mtheight & 15))
795 Con_Printf("warning: texture \"%s\" in \"%s\" is not 16 aligned", dmiptex->name, loadmodel->name);
797 // LordHavoc: force all names to lowercase
798 for (j = 0;name[j];j++)
799 if (name[j] >= 'A' && name[j] <= 'Z')
800 name[j] += 'a' - 'A';
802 tx = loadmodel->brushq1.textures + i;
803 strcpy(tx->name, name);
805 tx->height = mtheight;
809 sprintf(tx->name, "unnamed%i", i);
810 Con_Printf("warning: unnamed texture in %s, renaming to %s\n", loadmodel->name, tx->name);
813 // LordHavoc: HL sky textures are entirely different than quake
814 if (!loadmodel->brush.ishlbsp && !strncmp(tx->name, "sky", 3) && mtwidth == 256 && mtheight == 128)
816 if (loadmodel->isworldmodel)
818 data = loadimagepixels(tx->name, false, 0, 0);
821 if (image_width == 256 && image_height == 128)
829 Con_Printf("Invalid replacement texture for sky \"%s\" in %\"%s\", must be 256x128 pixels\n", tx->name, loadmodel->name);
831 R_InitSky(mtdata, 1);
834 else if (mtdata != NULL)
835 R_InitSky(mtdata, 1);
840 if (!Mod_LoadSkinFrame(&tx->skin, tx->name, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE, false, true, true))
842 // did not find external texture, load it from the bsp or wad3
843 if (loadmodel->brush.ishlbsp)
845 // internal texture overrides wad
846 qbyte *pixels, *freepixels, *fogpixels;
847 pixels = freepixels = NULL;
849 pixels = W_ConvertWAD3Texture(dmiptex);
851 pixels = freepixels = W_GetTexture(tx->name);
854 tx->width = image_width;
855 tx->height = image_height;
856 tx->skin.base = tx->skin.merged = R_LoadTexture2D(loadmodel->texturepool, tx->name, image_width, image_height, pixels, TEXTYPE_RGBA, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE, NULL);
857 if (Image_CheckAlpha(pixels, image_width * image_height, true))
859 fogpixels = Mem_Alloc(tempmempool, image_width * image_height * 4);
860 for (j = 0;j < image_width * image_height * 4;j += 4)
862 fogpixels[j + 0] = 255;
863 fogpixels[j + 1] = 255;
864 fogpixels[j + 2] = 255;
865 fogpixels[j + 3] = pixels[j + 3];
867 tx->skin.fog = R_LoadTexture2D(loadmodel->texturepool, tx->name, image_width, image_height, pixels, TEXTYPE_RGBA, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE, NULL);
872 Mem_Free(freepixels);
874 else if (mtdata) // texture included
875 Mod_LoadSkinFrame_Internal(&tx->skin, tx->name, TEXF_MIPMAP | TEXF_PRECACHE, false, true, tx->name[0] != '*' && r_fullbrights.integer, mtdata, tx->width, tx->height);
878 if (tx->skin.base == NULL)
883 tx->skin.base = r_notexture;
886 if (tx->name[0] == '*')
888 // turb does not block movement
889 tx->flags &= ~SURF_SOLIDCLIP;
890 tx->flags |= SURF_DRAWTURB | SURF_LIGHTBOTHSIDES;
891 // LordHavoc: some turbulent textures should be fullbright and solid
892 if (!strncmp(tx->name,"*lava",5)
893 || !strncmp(tx->name,"*teleport",9)
894 || !strncmp(tx->name,"*rift",5)) // Scourge of Armagon texture
895 tx->flags |= SURF_DRAWFULLBRIGHT | SURF_DRAWNOALPHA;
897 tx->flags |= SURF_WATERALPHA;
898 tx->shader = &Cshader_water;
900 else if (tx->name[0] == 's' && tx->name[1] == 'k' && tx->name[2] == 'y')
902 tx->flags |= SURF_DRAWSKY;
903 tx->shader = &Cshader_sky;
907 tx->flags |= SURF_LIGHTMAP;
909 tx->flags |= SURF_SHADOWCAST | SURF_SHADOWLIGHT;
910 tx->shader = &Cshader_wall_lightmap;
913 // start out with no animation
914 tx->currentframe = tx;
917 // sequence the animations
918 for (i = 0;i < m->nummiptex;i++)
920 tx = loadmodel->brushq1.textures + i;
921 if (!tx || tx->name[0] != '+' || tx->name[1] == 0 || tx->name[2] == 0)
923 if (tx->anim_total[0] || tx->anim_total[1])
924 continue; // already sequenced
926 // find the number of frames in the animation
927 memset(anims, 0, sizeof(anims));
928 memset(altanims, 0, sizeof(altanims));
930 for (j = i;j < m->nummiptex;j++)
932 tx2 = loadmodel->brushq1.textures + j;
933 if (!tx2 || tx2->name[0] != '+' || strcmp(tx2->name+2, tx->name+2))
937 if (num >= '0' && num <= '9')
938 anims[num - '0'] = tx2;
939 else if (num >= 'a' && num <= 'j')
940 altanims[num - 'a'] = tx2;
942 Con_Printf("Bad animating texture %s\n", tx->name);
946 for (j = 0;j < 10;j++)
953 //Con_Printf("linking animation %s (%i:%i frames)\n\n", tx->name, max, altmax);
956 for (j = 0;j < max;j++)
960 Con_Printf("Missing frame %i of %s\n", j, tx->name);
964 for (j = 0;j < altmax;j++)
968 Con_Printf("Missing altframe %i of %s\n", j, tx->name);
977 // if there is no alternate animation, duplicate the primary
978 // animation into the alternate
980 for (k = 0;k < 10;k++)
981 altanims[k] = anims[k];
984 // link together the primary animation
985 for (j = 0;j < max;j++)
988 tx2->animated = true;
989 tx2->anim_total[0] = max;
990 tx2->anim_total[1] = altmax;
991 for (k = 0;k < 10;k++)
993 tx2->anim_frames[0][k] = anims[k];
994 tx2->anim_frames[1][k] = altanims[k];
998 // if there really is an alternate anim...
999 if (anims[0] != altanims[0])
1001 // link together the alternate animation
1002 for (j = 0;j < altmax;j++)
1005 tx2->animated = true;
1006 // the primary/alternate are reversed here
1007 tx2->anim_total[0] = altmax;
1008 tx2->anim_total[1] = max;
1009 for (k = 0;k < 10;k++)
1011 tx2->anim_frames[0][k] = altanims[k];
1012 tx2->anim_frames[1][k] = anims[k];
1019 static void Mod_Q1BSP_LoadLighting(lump_t *l)
1022 qbyte *in, *out, *data, d;
1023 char litfilename[1024];
1024 loadmodel->brushq1.lightdata = NULL;
1025 if (loadmodel->brush.ishlbsp) // LordHavoc: load the colored lighting data straight
1027 loadmodel->brushq1.lightdata = Mem_Alloc(loadmodel->mempool, l->filelen);
1028 memcpy(loadmodel->brushq1.lightdata, mod_base + l->fileofs, l->filelen);
1030 else // LordHavoc: bsp version 29 (normal white lighting)
1032 // LordHavoc: hope is not lost yet, check for a .lit file to load
1033 strcpy(litfilename, loadmodel->name);
1034 FS_StripExtension(litfilename, litfilename);
1035 strcat(litfilename, ".lit");
1036 data = (qbyte*) FS_LoadFile(litfilename, false);
1039 if (fs_filesize > 8 && data[0] == 'Q' && data[1] == 'L' && data[2] == 'I' && data[3] == 'T')
1041 i = LittleLong(((int *)data)[1]);
1044 Con_DPrintf("loaded %s\n", litfilename);
1045 loadmodel->brushq1.lightdata = Mem_Alloc(loadmodel->mempool, fs_filesize - 8);
1046 memcpy(loadmodel->brushq1.lightdata, data + 8, fs_filesize - 8);
1052 Con_Printf("Unknown .lit file version (%d)\n", i);
1058 if (fs_filesize == 8)
1059 Con_Printf("Empty .lit file, ignoring\n");
1061 Con_Printf("Corrupt .lit file (old version?), ignoring\n");
1065 // LordHavoc: oh well, expand the white lighting data
1068 loadmodel->brushq1.lightdata = Mem_Alloc(loadmodel->mempool, l->filelen*3);
1069 in = loadmodel->brushq1.lightdata + l->filelen*2; // place the file at the end, so it will not be overwritten until the very last write
1070 out = loadmodel->brushq1.lightdata;
1071 memcpy(in, mod_base + l->fileofs, l->filelen);
1072 for (i = 0;i < l->filelen;i++)
1082 static void Mod_Q1BSP_LoadLightList(void)
1084 int a, n, numlights;
1085 char lightsfilename[1024], *s, *t, *lightsstring;
1088 strcpy(lightsfilename, loadmodel->name);
1089 FS_StripExtension(lightsfilename, lightsfilename);
1090 strcat(lightsfilename, ".lights");
1091 s = lightsstring = (char *) FS_LoadFile(lightsfilename, false);
1097 while (*s && *s != '\n')
1101 Mem_Free(lightsstring);
1102 Host_Error("lights file must end with a newline\n");
1107 loadmodel->brushq1.lights = Mem_Alloc(loadmodel->mempool, numlights * sizeof(mlight_t));
1110 while (*s && n < numlights)
1113 while (*s && *s != '\n')
1117 Mem_Free(lightsstring);
1118 Host_Error("misparsed lights file!\n");
1120 e = loadmodel->brushq1.lights + n;
1122 a = sscanf(t, "%f %f %f %f %f %f %f %f %f %f %f %f %f %d", &e->origin[0], &e->origin[1], &e->origin[2], &e->falloff, &e->light[0], &e->light[1], &e->light[2], &e->subtract, &e->spotdir[0], &e->spotdir[1], &e->spotdir[2], &e->spotcone, &e->distbias, &e->style);
1126 Mem_Free(lightsstring);
1127 Host_Error("invalid lights file, found %d parameters on line %i, should be 14 parameters (origin[0] origin[1] origin[2] falloff light[0] light[1] light[2] subtract spotdir[0] spotdir[1] spotdir[2] spotcone distancebias style)\n", a, n + 1);
1134 Mem_Free(lightsstring);
1135 Host_Error("misparsed lights file!\n");
1137 loadmodel->brushq1.numlights = numlights;
1138 Mem_Free(lightsstring);
1142 static void Mod_Q1BSP_LoadVisibility(lump_t *l)
1144 loadmodel->brushq1.num_compressedpvs = 0;
1145 loadmodel->brushq1.data_compressedpvs = NULL;
1148 loadmodel->brushq1.num_compressedpvs = l->filelen;
1149 loadmodel->brushq1.data_compressedpvs = Mem_Alloc(loadmodel->mempool, l->filelen);
1150 memcpy(loadmodel->brushq1.data_compressedpvs, mod_base + l->fileofs, l->filelen);
1153 // used only for HalfLife maps
1154 static void Mod_Q1BSP_ParseWadsFromEntityLump(const char *data)
1156 char key[128], value[4096];
1161 if (!COM_ParseToken(&data, false))
1163 if (com_token[0] != '{')
1167 if (!COM_ParseToken(&data, false))
1169 if (com_token[0] == '}')
1170 break; // end of worldspawn
1171 if (com_token[0] == '_')
1172 strcpy(key, com_token + 1);
1174 strcpy(key, com_token);
1175 while (key[strlen(key)-1] == ' ') // remove trailing spaces
1176 key[strlen(key)-1] = 0;
1177 if (!COM_ParseToken(&data, false))
1179 strcpy(value, com_token);
1180 if (!strcmp("wad", key)) // for HalfLife maps
1182 if (loadmodel->brush.ishlbsp)
1185 for (i = 0;i < 4096;i++)
1186 if (value[i] != ';' && value[i] != '\\' && value[i] != '/' && value[i] != ':')
1192 // ignore path - the \\ check is for HalfLife... stupid windoze 'programmers'...
1193 if (value[i] == '\\' || value[i] == '/' || value[i] == ':')
1195 else if (value[i] == ';' || value[i] == 0)
1199 strcpy(wadname, "textures/");
1200 strcat(wadname, &value[j]);
1201 W_LoadTextureWadFile(wadname, false);
1213 static void Mod_Q1BSP_LoadEntities(lump_t *l)
1215 loadmodel->brush.entities = NULL;
1218 loadmodel->brush.entities = Mem_Alloc(loadmodel->mempool, l->filelen);
1219 memcpy(loadmodel->brush.entities, mod_base + l->fileofs, l->filelen);
1220 if (loadmodel->brush.ishlbsp)
1221 Mod_Q1BSP_ParseWadsFromEntityLump(loadmodel->brush.entities);
1225 static void Mod_Q1BSP_LoadVertexes(lump_t *l)
1231 in = (void *)(mod_base + l->fileofs);
1232 if (l->filelen % sizeof(*in))
1233 Host_Error("Mod_Q1BSP_LoadVertexes: funny lump size in %s",loadmodel->name);
1234 count = l->filelen / sizeof(*in);
1235 out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
1237 loadmodel->brushq1.vertexes = out;
1238 loadmodel->brushq1.numvertexes = count;
1240 for ( i=0 ; i<count ; i++, in++, out++)
1242 out->position[0] = LittleFloat(in->point[0]);
1243 out->position[1] = LittleFloat(in->point[1]);
1244 out->position[2] = LittleFloat(in->point[2]);
1248 static void Mod_Q1BSP_LoadSubmodels(lump_t *l)
1254 in = (void *)(mod_base + l->fileofs);
1255 if (l->filelen % sizeof(*in))
1256 Host_Error("Mod_Q1BSP_LoadSubmodels: funny lump size in %s",loadmodel->name);
1257 count = l->filelen / sizeof(*in);
1258 out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
1260 loadmodel->brushq1.submodels = out;
1261 loadmodel->brush.numsubmodels = count;
1263 for ( i=0 ; i<count ; i++, in++, out++)
1265 for (j=0 ; j<3 ; j++)
1267 // spread the mins / maxs by a pixel
1268 out->mins[j] = LittleFloat(in->mins[j]) - 1;
1269 out->maxs[j] = LittleFloat(in->maxs[j]) + 1;
1270 out->origin[j] = LittleFloat(in->origin[j]);
1272 for (j=0 ; j<MAX_MAP_HULLS ; j++)
1273 out->headnode[j] = LittleLong(in->headnode[j]);
1274 out->visleafs = LittleLong(in->visleafs);
1275 out->firstface = LittleLong(in->firstface);
1276 out->numfaces = LittleLong(in->numfaces);
1280 static void Mod_Q1BSP_LoadEdges(lump_t *l)
1286 in = (void *)(mod_base + l->fileofs);
1287 if (l->filelen % sizeof(*in))
1288 Host_Error("Mod_Q1BSP_LoadEdges: funny lump size in %s",loadmodel->name);
1289 count = l->filelen / sizeof(*in);
1290 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
1292 loadmodel->brushq1.edges = out;
1293 loadmodel->brushq1.numedges = count;
1295 for ( i=0 ; i<count ; i++, in++, out++)
1297 out->v[0] = (unsigned short)LittleShort(in->v[0]);
1298 out->v[1] = (unsigned short)LittleShort(in->v[1]);
1302 static void Mod_Q1BSP_LoadTexinfo(lump_t *l)
1306 int i, j, k, count, miptex;
1308 in = (void *)(mod_base + l->fileofs);
1309 if (l->filelen % sizeof(*in))
1310 Host_Error("Mod_Q1BSP_LoadTexinfo: funny lump size in %s",loadmodel->name);
1311 count = l->filelen / sizeof(*in);
1312 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
1314 loadmodel->brushq1.texinfo = out;
1315 loadmodel->brushq1.numtexinfo = count;
1317 for (i = 0;i < count;i++, in++, out++)
1319 for (k = 0;k < 2;k++)
1320 for (j = 0;j < 4;j++)
1321 out->vecs[k][j] = LittleFloat(in->vecs[k][j]);
1323 miptex = LittleLong(in->miptex);
1324 out->flags = LittleLong(in->flags);
1326 out->texture = NULL;
1327 if (loadmodel->brushq1.textures)
1329 if ((unsigned int) miptex >= (unsigned int) loadmodel->brushq1.numtextures)
1330 Con_Printf("error in model \"%s\": invalid miptex index %i(of %i)\n", loadmodel->name, miptex, loadmodel->brushq1.numtextures);
1332 out->texture = loadmodel->brushq1.textures + miptex;
1334 if (out->flags & TEX_SPECIAL)
1336 // if texture chosen is NULL or the shader needs a lightmap,
1337 // force to notexture water shader
1338 if (out->texture == NULL || out->texture->shader->flags & SHADERFLAGS_NEEDLIGHTMAP)
1339 out->texture = loadmodel->brushq1.textures + (loadmodel->brushq1.numtextures - 1);
1343 // if texture chosen is NULL, force to notexture
1344 if (out->texture == NULL)
1345 out->texture = loadmodel->brushq1.textures + (loadmodel->brushq1.numtextures - 2);
1351 void BoundPoly(int numverts, float *verts, vec3_t mins, vec3_t maxs)
1356 mins[0] = mins[1] = mins[2] = 9999;
1357 maxs[0] = maxs[1] = maxs[2] = -9999;
1359 for (i = 0;i < numverts;i++)
1361 for (j = 0;j < 3;j++, v++)
1371 #define MAX_SUBDIVPOLYTRIANGLES 4096
1372 #define MAX_SUBDIVPOLYVERTS(MAX_SUBDIVPOLYTRIANGLES * 3)
1374 static int subdivpolyverts, subdivpolytriangles;
1375 static int subdivpolyindex[MAX_SUBDIVPOLYTRIANGLES][3];
1376 static float subdivpolyvert[MAX_SUBDIVPOLYVERTS][3];
1378 static int subdivpolylookupvert(vec3_t v)
1381 for (i = 0;i < subdivpolyverts;i++)
1382 if (subdivpolyvert[i][0] == v[0]
1383 && subdivpolyvert[i][1] == v[1]
1384 && subdivpolyvert[i][2] == v[2])
1386 if (subdivpolyverts >= MAX_SUBDIVPOLYVERTS)
1387 Host_Error("SubDividePolygon: ran out of vertices in buffer, please increase your r_subdivide_size");
1388 VectorCopy(v, subdivpolyvert[subdivpolyverts]);
1389 return subdivpolyverts++;
1392 static void SubdividePolygon(int numverts, float *verts)
1394 int i, i1, i2, i3, f, b, c, p;
1395 vec3_t mins, maxs, front[256], back[256];
1396 float m, *pv, *cv, dist[256], frac;
1399 Host_Error("SubdividePolygon: ran out of verts in buffer");
1401 BoundPoly(numverts, verts, mins, maxs);
1403 for (i = 0;i < 3;i++)
1405 m = (mins[i] + maxs[i]) * 0.5;
1406 m = r_subdivide_size.value * floor(m/r_subdivide_size.value + 0.5);
1407 if (maxs[i] - m < 8)
1409 if (m - mins[i] < 8)
1413 for (cv = verts, c = 0;c < numverts;c++, cv += 3)
1414 dist[c] = cv[i] - m;
1417 for (p = numverts - 1, c = 0, pv = verts + p * 3, cv = verts;c < numverts;p = c, c++, pv = cv, cv += 3)
1421 VectorCopy(pv, front[f]);
1426 VectorCopy(pv, back[b]);
1429 if (dist[p] == 0 || dist[c] == 0)
1431 if ((dist[p] > 0) != (dist[c] > 0) )
1434 frac = dist[p] / (dist[p] - dist[c]);
1435 front[f][0] = back[b][0] = pv[0] + frac * (cv[0] - pv[0]);
1436 front[f][1] = back[b][1] = pv[1] + frac * (cv[1] - pv[1]);
1437 front[f][2] = back[b][2] = pv[2] + frac * (cv[2] - pv[2]);
1443 SubdividePolygon(f, front[0]);
1444 SubdividePolygon(b, back[0]);
1448 i1 = subdivpolylookupvert(verts);
1449 i2 = subdivpolylookupvert(verts + 3);
1450 for (i = 2;i < numverts;i++)
1452 if (subdivpolytriangles >= MAX_SUBDIVPOLYTRIANGLES)
1454 Con_Printf("SubdividePolygon: ran out of triangles in buffer, please increase your r_subdivide_size\n");
1458 i3 = subdivpolylookupvert(verts + i * 3);
1459 subdivpolyindex[subdivpolytriangles][0] = i1;
1460 subdivpolyindex[subdivpolytriangles][1] = i2;
1461 subdivpolyindex[subdivpolytriangles][2] = i3;
1463 subdivpolytriangles++;
1467 //Breaks a polygon up along axial 64 unit
1468 //boundaries so that turbulent and sky warps
1469 //can be done reasonably.
1470 static void Mod_Q1BSP_GenerateWarpMesh(msurface_t *surf)
1476 subdivpolytriangles = 0;
1477 subdivpolyverts = 0;
1478 SubdividePolygon(surf->poly_numverts, surf->poly_verts);
1479 if (subdivpolytriangles < 1)
1480 Host_Error("Mod_Q1BSP_GenerateWarpMesh: no triangles?\n");
1482 surf->mesh = mesh = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t) + subdivpolytriangles * sizeof(int[3]) + subdivpolyverts * sizeof(surfvertex_t));
1483 mesh->numverts = subdivpolyverts;
1484 mesh->numtriangles = subdivpolytriangles;
1485 mesh->vertex = (surfvertex_t *)(mesh + 1);
1486 mesh->index = (int *)(mesh->vertex + mesh->numverts);
1487 memset(mesh->vertex, 0, mesh->numverts * sizeof(surfvertex_t));
1489 for (i = 0;i < mesh->numtriangles;i++)
1490 for (j = 0;j < 3;j++)
1491 mesh->index[i*3+j] = subdivpolyindex[i][j];
1493 for (i = 0, v = mesh->vertex;i < subdivpolyverts;i++, v++)
1495 VectorCopy(subdivpolyvert[i], v->v);
1496 v->st[0] = DotProduct(v->v, surf->texinfo->vecs[0]);
1497 v->st[1] = DotProduct(v->v, surf->texinfo->vecs[1]);
1502 static surfmesh_t *Mod_Q1BSP_AllocSurfMesh(int numverts, int numtriangles)
1505 mesh = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t) + numtriangles * sizeof(int[6]) + numverts * (3 + 2 + 2 + 2 + 3 + 3 + 3 + 1) * sizeof(float));
1506 mesh->numverts = numverts;
1507 mesh->numtriangles = numtriangles;
1508 mesh->vertex3f = (float *)(mesh + 1);
1509 mesh->texcoordtexture2f = mesh->vertex3f + mesh->numverts * 3;
1510 mesh->texcoordlightmap2f = mesh->texcoordtexture2f + mesh->numverts * 2;
1511 mesh->texcoorddetail2f = mesh->texcoordlightmap2f + mesh->numverts * 2;
1512 mesh->svector3f = (float *)(mesh->texcoorddetail2f + mesh->numverts * 2);
1513 mesh->tvector3f = mesh->svector3f + mesh->numverts * 3;
1514 mesh->normal3f = mesh->tvector3f + mesh->numverts * 3;
1515 mesh->lightmapoffsets = (int *)(mesh->normal3f + mesh->numverts * 3);
1516 mesh->element3i = mesh->lightmapoffsets + mesh->numverts;
1517 mesh->neighbor3i = mesh->element3i + mesh->numtriangles * 3;
1521 static void Mod_Q1BSP_GenerateSurfacePolygon(msurface_t *surf, int firstedge, int numedges)
1524 float *vec, *vert, mins[3], maxs[3], val, *v;
1527 // convert edges back to a normal polygon
1528 surf->poly_numverts = numedges;
1529 vert = surf->poly_verts = Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * numedges);
1530 for (i = 0;i < numedges;i++)
1532 lindex = loadmodel->brushq1.surfedges[firstedge + i];
1534 vec = loadmodel->brushq1.vertexes[loadmodel->brushq1.edges[lindex].v[0]].position;
1536 vec = loadmodel->brushq1.vertexes[loadmodel->brushq1.edges[-lindex].v[1]].position;
1537 VectorCopy(vec, vert);
1541 // calculate polygon bounding box and center
1542 vert = surf->poly_verts;
1543 VectorCopy(vert, mins);
1544 VectorCopy(vert, maxs);
1546 for (i = 1;i < surf->poly_numverts;i++, vert += 3)
1548 if (mins[0] > vert[0]) mins[0] = vert[0];if (maxs[0] < vert[0]) maxs[0] = vert[0];
1549 if (mins[1] > vert[1]) mins[1] = vert[1];if (maxs[1] < vert[1]) maxs[1] = vert[1];
1550 if (mins[2] > vert[2]) mins[2] = vert[2];if (maxs[2] < vert[2]) maxs[2] = vert[2];
1552 VectorCopy(mins, surf->poly_mins);
1553 VectorCopy(maxs, surf->poly_maxs);
1554 surf->poly_center[0] = (mins[0] + maxs[0]) * 0.5f;
1555 surf->poly_center[1] = (mins[1] + maxs[1]) * 0.5f;
1556 surf->poly_center[2] = (mins[2] + maxs[2]) * 0.5f;
1558 // generate surface extents information
1559 tex = surf->texinfo;
1560 mins[0] = maxs[0] = DotProduct(surf->poly_verts, tex->vecs[0]) + tex->vecs[0][3];
1561 mins[1] = maxs[1] = DotProduct(surf->poly_verts, tex->vecs[1]) + tex->vecs[1][3];
1562 for (i = 1, v = surf->poly_verts + 3;i < surf->poly_numverts;i++, v += 3)
1564 for (j = 0;j < 2;j++)
1566 val = DotProduct(v, tex->vecs[j]) + tex->vecs[j][3];
1573 for (i = 0;i < 2;i++)
1575 surf->texturemins[i] = (int) floor(mins[i] / 16) * 16;
1576 surf->extents[i] = (int) ceil(maxs[i] / 16) * 16 - surf->texturemins[i];
1580 static void Mod_Q1BSP_LoadFaces(lump_t *l)
1584 int i, count, surfnum, planenum, ssize, tsize, firstedge, numedges, totalverts, totaltris, totalmeshes;
1588 in = (void *)(mod_base + l->fileofs);
1589 if (l->filelen % sizeof(*in))
1590 Host_Error("Mod_Q1BSP_LoadFaces: funny lump size in %s",loadmodel->name);
1591 count = l->filelen / sizeof(*in);
1592 loadmodel->brushq1.surfaces = Mem_Alloc(loadmodel->mempool, count*sizeof(msurface_t));
1594 loadmodel->brushq1.numsurfaces = count;
1595 loadmodel->brushq1.surfacevisframes = Mem_Alloc(loadmodel->mempool, count * sizeof(int));
1596 loadmodel->brushq1.surfacepvsframes = Mem_Alloc(loadmodel->mempool, count * sizeof(int));
1597 loadmodel->brushq1.pvssurflist = Mem_Alloc(loadmodel->mempool, count * sizeof(int));
1599 for (surfnum = 0, surf = loadmodel->brushq1.surfaces, totalverts = 0, totaltris = 0, totalmeshes = 0;surfnum < count;surfnum++, totalverts += surf->poly_numverts, totaltris += surf->poly_numverts - 2, totalmeshes++, in++, surf++)
1601 surf->number = surfnum;
1602 // FIXME: validate edges, texinfo, etc?
1603 firstedge = LittleLong(in->firstedge);
1604 numedges = LittleShort(in->numedges);
1605 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)
1606 Host_Error("Mod_Q1BSP_LoadFaces: invalid edge range (firstedge %i, numedges %i, model edges %i)\n", firstedge, numedges, loadmodel->brushq1.numsurfedges);
1607 i = LittleShort(in->texinfo);
1608 if ((unsigned int) i >= (unsigned int) loadmodel->brushq1.numtexinfo)
1609 Host_Error("Mod_Q1BSP_LoadFaces: invalid texinfo index %i(model has %i texinfos)\n", i, loadmodel->brushq1.numtexinfo);
1610 surf->texinfo = loadmodel->brushq1.texinfo + i;
1611 surf->flags = surf->texinfo->texture->flags;
1613 planenum = LittleShort(in->planenum);
1614 if ((unsigned int) planenum >= (unsigned int) loadmodel->brushq1.numplanes)
1615 Host_Error("Mod_Q1BSP_LoadFaces: invalid plane index %i (model has %i planes)\n", planenum, loadmodel->brushq1.numplanes);
1617 if (LittleShort(in->side))
1618 surf->flags |= SURF_PLANEBACK;
1620 surf->plane = loadmodel->brushq1.planes + planenum;
1622 // clear lightmap (filled in later)
1623 surf->lightmaptexture = NULL;
1625 // force lightmap upload on first time seeing the surface
1626 surf->cached_dlight = true;
1628 Mod_Q1BSP_GenerateSurfacePolygon(surf, firstedge, numedges);
1630 ssize = (surf->extents[0] >> 4) + 1;
1631 tsize = (surf->extents[1] >> 4) + 1;
1634 for (i = 0;i < MAXLIGHTMAPS;i++)
1635 surf->styles[i] = in->styles[i];
1636 i = LittleLong(in->lightofs);
1638 surf->samples = NULL;
1639 else if (loadmodel->brush.ishlbsp) // LordHavoc: HalfLife map (bsp version 30)
1640 surf->samples = loadmodel->brushq1.lightdata + i;
1641 else // LordHavoc: white lighting (bsp version 29)
1642 surf->samples = loadmodel->brushq1.lightdata + (i * 3);
1644 if (surf->texinfo->texture->shader == &Cshader_wall_lightmap)
1646 if ((surf->extents[0] >> 4) + 1 > (256) || (surf->extents[1] >> 4) + 1 > (256))
1647 Host_Error("Bad surface extents");
1648 // stainmap for permanent marks on walls
1649 surf->stainsamples = Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
1651 memset(surf->stainsamples, 255, ssize * tsize * 3);
1655 loadmodel->brushq1.entiremesh = Mod_Q1BSP_AllocSurfMesh(totalverts, totaltris);
1656 loadmodel->brushq1.surfmeshes = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t) * totalmeshes);
1658 for (surfnum = 0, surf = loadmodel->brushq1.surfaces, totalverts = 0, totaltris = 0, totalmeshes = 0;surfnum < count;surfnum++, totalverts += surf->poly_numverts, totaltris += surf->poly_numverts - 2, totalmeshes++, surf++)
1660 mesh = surf->mesh = loadmodel->brushq1.surfmeshes + totalmeshes;
1661 mesh->numverts = surf->poly_numverts;
1662 mesh->numtriangles = surf->poly_numverts - 2;
1663 mesh->vertex3f = loadmodel->brushq1.entiremesh->vertex3f + totalverts * 3;
1664 mesh->texcoordtexture2f = loadmodel->brushq1.entiremesh->texcoordtexture2f + totalverts * 2;
1665 mesh->texcoordlightmap2f = loadmodel->brushq1.entiremesh->texcoordlightmap2f + totalverts * 2;
1666 mesh->texcoorddetail2f = loadmodel->brushq1.entiremesh->texcoorddetail2f + totalverts * 2;
1667 mesh->svector3f = loadmodel->brushq1.entiremesh->svector3f + totalverts * 3;
1668 mesh->tvector3f = loadmodel->brushq1.entiremesh->tvector3f + totalverts * 3;
1669 mesh->normal3f = loadmodel->brushq1.entiremesh->normal3f + totalverts * 3;
1670 mesh->lightmapoffsets = loadmodel->brushq1.entiremesh->lightmapoffsets + totalverts;
1671 mesh->element3i = loadmodel->brushq1.entiremesh->element3i + totaltris * 3;
1672 mesh->neighbor3i = loadmodel->brushq1.entiremesh->neighbor3i + totaltris * 3;
1674 surf->lightmaptexturestride = 0;
1675 surf->lightmaptexture = NULL;
1677 for (i = 0;i < mesh->numverts;i++)
1679 mesh->vertex3f[i * 3 + 0] = surf->poly_verts[i * 3 + 0];
1680 mesh->vertex3f[i * 3 + 1] = surf->poly_verts[i * 3 + 1];
1681 mesh->vertex3f[i * 3 + 2] = surf->poly_verts[i * 3 + 2];
1682 s = DotProduct((mesh->vertex3f + i * 3), surf->texinfo->vecs[0]) + surf->texinfo->vecs[0][3];
1683 t = DotProduct((mesh->vertex3f + i * 3), surf->texinfo->vecs[1]) + surf->texinfo->vecs[1][3];
1684 mesh->texcoordtexture2f[i * 2 + 0] = s / surf->texinfo->texture->width;
1685 mesh->texcoordtexture2f[i * 2 + 1] = t / surf->texinfo->texture->height;
1686 mesh->texcoorddetail2f[i * 2 + 0] = s * (1.0f / 16.0f);
1687 mesh->texcoorddetail2f[i * 2 + 1] = t * (1.0f / 16.0f);
1688 mesh->texcoordlightmap2f[i * 2 + 0] = 0;
1689 mesh->texcoordlightmap2f[i * 2 + 1] = 0;
1690 mesh->lightmapoffsets[i] = 0;
1693 for (i = 0;i < mesh->numtriangles;i++)
1695 mesh->element3i[i * 3 + 0] = 0;
1696 mesh->element3i[i * 3 + 1] = i + 1;
1697 mesh->element3i[i * 3 + 2] = i + 2;
1700 Mod_BuildTriangleNeighbors(mesh->neighbor3i, mesh->element3i, mesh->numtriangles);
1701 Mod_BuildTextureVectorsAndNormals(mesh->numverts, mesh->numtriangles, mesh->vertex3f, mesh->texcoordtexture2f, mesh->element3i, mesh->svector3f, mesh->tvector3f, mesh->normal3f);
1703 if (surf->texinfo->texture->shader == &Cshader_wall_lightmap)
1705 int i, iu, iv, smax, tmax;
1706 float u, v, ubase, vbase, uscale, vscale;
1708 smax = surf->extents[0] >> 4;
1709 tmax = surf->extents[1] >> 4;
1711 surf->flags |= SURF_LIGHTMAP;
1712 if (r_miplightmaps.integer)
1714 surf->lightmaptexturestride = smax+1;
1715 surf->lightmaptexture = R_LoadTexture2D(loadmodel->texturepool, NULL, surf->lightmaptexturestride, (surf->extents[1]>>4)+1, NULL, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, TEXF_MIPMAP | TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
1719 surf->lightmaptexturestride = R_CompatibleFragmentWidth(smax+1, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, 0);
1720 surf->lightmaptexture = R_LoadTexture2D(loadmodel->texturepool, NULL, surf->lightmaptexturestride, (surf->extents[1]>>4)+1, NULL, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, TEXF_FRAGMENT | TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
1722 R_FragmentLocation(surf->lightmaptexture, NULL, NULL, &ubase, &vbase, &uscale, &vscale);
1723 uscale = (uscale - ubase) / (smax + 1);
1724 vscale = (vscale - vbase) / (tmax + 1);
1726 for (i = 0;i < mesh->numverts;i++)
1728 u = ((DotProduct((mesh->vertex3f + i * 3), surf->texinfo->vecs[0]) + surf->texinfo->vecs[0][3]) + 8 - surf->texturemins[0]) * (1.0 / 16.0);
1729 v = ((DotProduct((mesh->vertex3f + i * 3), surf->texinfo->vecs[1]) + surf->texinfo->vecs[1][3]) + 8 - surf->texturemins[1]) * (1.0 / 16.0);
1730 mesh->texcoordlightmap2f[i * 2 + 0] = u * uscale + ubase;
1731 mesh->texcoordlightmap2f[i * 2 + 1] = v * vscale + vbase;
1732 // LordHavoc: calc lightmap data offset for vertex lighting to use
1735 mesh->lightmapoffsets[i] = (bound(0, iv, tmax) * (smax+1) + bound(0, iu, smax)) * 3;
1741 static void Mod_Q1BSP_SetParent(mnode_t *node, mnode_t *parent)
1743 node->parent = parent;
1744 if (node->contents < 0)
1746 Mod_Q1BSP_SetParent(node->children[0], node);
1747 Mod_Q1BSP_SetParent(node->children[1], node);
1750 static void Mod_Q1BSP_LoadNodes(lump_t *l)
1756 in = (void *)(mod_base + l->fileofs);
1757 if (l->filelen % sizeof(*in))
1758 Host_Error("Mod_Q1BSP_LoadNodes: funny lump size in %s",loadmodel->name);
1759 count = l->filelen / sizeof(*in);
1760 out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
1762 loadmodel->brushq1.nodes = out;
1763 loadmodel->brushq1.numnodes = count;
1765 for ( i=0 ; i<count ; i++, in++, out++)
1767 for (j=0 ; j<3 ; j++)
1769 out->mins[j] = LittleShort(in->mins[j]);
1770 out->maxs[j] = LittleShort(in->maxs[j]);
1773 p = LittleLong(in->planenum);
1774 out->plane = loadmodel->brushq1.planes + p;
1776 out->firstsurface = LittleShort(in->firstface);
1777 out->numsurfaces = LittleShort(in->numfaces);
1779 for (j=0 ; j<2 ; j++)
1781 p = LittleShort(in->children[j]);
1783 out->children[j] = loadmodel->brushq1.nodes + p;
1785 out->children[j] = (mnode_t *)(loadmodel->brushq1.leafs + (-1 - p));
1789 Mod_Q1BSP_SetParent(loadmodel->brushq1.nodes, NULL); // sets nodes and leafs
1792 static void Mod_Q1BSP_LoadLeafs(lump_t *l)
1796 int i, j, count, p, pvschainbytes;
1799 in = (void *)(mod_base + l->fileofs);
1800 if (l->filelen % sizeof(*in))
1801 Host_Error("Mod_Q1BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
1802 count = l->filelen / sizeof(*in);
1803 out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
1805 loadmodel->brushq1.leafs = out;
1806 loadmodel->brushq1.numleafs = count;
1807 pvschainbytes = ((loadmodel->brushq1.numleafs - 1)+7)>>3;
1808 loadmodel->brushq1.data_decompressedpvs = pvs = Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.numleafs * pvschainbytes);
1810 for ( i=0 ; i<count ; i++, in++, out++)
1812 for (j=0 ; j<3 ; j++)
1814 out->mins[j] = LittleShort(in->mins[j]);
1815 out->maxs[j] = LittleShort(in->maxs[j]);
1818 // FIXME: this function could really benefit from some error checking
1820 out->contents = LittleLong(in->contents);
1822 out->firstmarksurface = loadmodel->brushq1.marksurfaces + LittleShort(in->firstmarksurface);
1823 out->nummarksurfaces = LittleShort(in->nummarksurfaces);
1826 pvs += pvschainbytes;
1828 p = LittleLong(in->visofs);
1830 Mod_Q1BSP_DecompressVis(loadmodel->brushq1.data_compressedpvs + p, loadmodel->brushq1.data_compressedpvs + loadmodel->brushq1.num_compressedpvs, out->pvsdata, out->pvsdata + pvschainbytes);
1832 memset(out->pvsdata, 0xFF, pvschainbytes);
1834 for (j = 0;j < 4;j++)
1835 out->ambient_sound_level[j] = in->ambient_level[j];
1837 // FIXME: Insert caustics here
1841 static void Mod_Q1BSP_LoadClipnodes(lump_t *l)
1843 dclipnode_t *in, *out;
1847 in = (void *)(mod_base + l->fileofs);
1848 if (l->filelen % sizeof(*in))
1849 Host_Error("Mod_Q1BSP_LoadClipnodes: funny lump size in %s",loadmodel->name);
1850 count = l->filelen / sizeof(*in);
1851 out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
1853 loadmodel->brushq1.clipnodes = out;
1854 loadmodel->brushq1.numclipnodes = count;
1856 if (loadmodel->brush.ishlbsp)
1858 hull = &loadmodel->brushq1.hulls[1];
1859 hull->clipnodes = out;
1860 hull->firstclipnode = 0;
1861 hull->lastclipnode = count-1;
1862 hull->planes = loadmodel->brushq1.planes;
1863 hull->clip_mins[0] = -16;
1864 hull->clip_mins[1] = -16;
1865 hull->clip_mins[2] = -36;
1866 hull->clip_maxs[0] = 16;
1867 hull->clip_maxs[1] = 16;
1868 hull->clip_maxs[2] = 36;
1869 VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
1871 hull = &loadmodel->brushq1.hulls[2];
1872 hull->clipnodes = out;
1873 hull->firstclipnode = 0;
1874 hull->lastclipnode = count-1;
1875 hull->planes = loadmodel->brushq1.planes;
1876 hull->clip_mins[0] = -32;
1877 hull->clip_mins[1] = -32;
1878 hull->clip_mins[2] = -32;
1879 hull->clip_maxs[0] = 32;
1880 hull->clip_maxs[1] = 32;
1881 hull->clip_maxs[2] = 32;
1882 VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
1884 hull = &loadmodel->brushq1.hulls[3];
1885 hull->clipnodes = out;
1886 hull->firstclipnode = 0;
1887 hull->lastclipnode = count-1;
1888 hull->planes = loadmodel->brushq1.planes;
1889 hull->clip_mins[0] = -16;
1890 hull->clip_mins[1] = -16;
1891 hull->clip_mins[2] = -18;
1892 hull->clip_maxs[0] = 16;
1893 hull->clip_maxs[1] = 16;
1894 hull->clip_maxs[2] = 18;
1895 VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
1899 hull = &loadmodel->brushq1.hulls[1];
1900 hull->clipnodes = out;
1901 hull->firstclipnode = 0;
1902 hull->lastclipnode = count-1;
1903 hull->planes = loadmodel->brushq1.planes;
1904 hull->clip_mins[0] = -16;
1905 hull->clip_mins[1] = -16;
1906 hull->clip_mins[2] = -24;
1907 hull->clip_maxs[0] = 16;
1908 hull->clip_maxs[1] = 16;
1909 hull->clip_maxs[2] = 32;
1910 VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
1912 hull = &loadmodel->brushq1.hulls[2];
1913 hull->clipnodes = out;
1914 hull->firstclipnode = 0;
1915 hull->lastclipnode = count-1;
1916 hull->planes = loadmodel->brushq1.planes;
1917 hull->clip_mins[0] = -32;
1918 hull->clip_mins[1] = -32;
1919 hull->clip_mins[2] = -24;
1920 hull->clip_maxs[0] = 32;
1921 hull->clip_maxs[1] = 32;
1922 hull->clip_maxs[2] = 64;
1923 VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
1926 for (i=0 ; i<count ; i++, out++, in++)
1928 out->planenum = LittleLong(in->planenum);
1929 out->children[0] = LittleShort(in->children[0]);
1930 out->children[1] = LittleShort(in->children[1]);
1931 if (out->children[0] >= count || out->children[1] >= count)
1932 Host_Error("Corrupt clipping hull(out of range child)\n");
1936 //Duplicate the drawing hull structure as a clipping hull
1937 static void Mod_Q1BSP_MakeHull0(void)
1944 hull = &loadmodel->brushq1.hulls[0];
1946 in = loadmodel->brushq1.nodes;
1947 out = Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.numnodes * sizeof(dclipnode_t));
1949 hull->clipnodes = out;
1950 hull->firstclipnode = 0;
1951 hull->lastclipnode = loadmodel->brushq1.numnodes - 1;
1952 hull->planes = loadmodel->brushq1.planes;
1954 for (i = 0;i < loadmodel->brushq1.numnodes;i++, out++, in++)
1956 out->planenum = in->plane - loadmodel->brushq1.planes;
1957 out->children[0] = in->children[0]->contents < 0 ? in->children[0]->contents : in->children[0] - loadmodel->brushq1.nodes;
1958 out->children[1] = in->children[1]->contents < 0 ? in->children[1]->contents : in->children[1] - loadmodel->brushq1.nodes;
1962 static void Mod_Q1BSP_LoadMarksurfaces(lump_t *l)
1967 in = (void *)(mod_base + l->fileofs);
1968 if (l->filelen % sizeof(*in))
1969 Host_Error("Mod_Q1BSP_LoadMarksurfaces: funny lump size in %s",loadmodel->name);
1970 loadmodel->brushq1.nummarksurfaces = l->filelen / sizeof(*in);
1971 loadmodel->brushq1.marksurfaces = Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.nummarksurfaces * sizeof(int));
1973 for (i = 0;i < loadmodel->brushq1.nummarksurfaces;i++)
1975 j = (unsigned) LittleShort(in[i]);
1976 if (j >= loadmodel->brushq1.numsurfaces)
1977 Host_Error("Mod_Q1BSP_LoadMarksurfaces: bad surface number");
1978 loadmodel->brushq1.marksurfaces[i] = j;
1982 static void Mod_Q1BSP_LoadSurfedges(lump_t *l)
1987 in = (void *)(mod_base + l->fileofs);
1988 if (l->filelen % sizeof(*in))
1989 Host_Error("Mod_Q1BSP_LoadSurfedges: funny lump size in %s",loadmodel->name);
1990 loadmodel->brushq1.numsurfedges = l->filelen / sizeof(*in);
1991 loadmodel->brushq1.surfedges = Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.numsurfedges * sizeof(int));
1993 for (i = 0;i < loadmodel->brushq1.numsurfedges;i++)
1994 loadmodel->brushq1.surfedges[i] = LittleLong(in[i]);
1998 static void Mod_Q1BSP_LoadPlanes(lump_t *l)
2004 in = (void *)(mod_base + l->fileofs);
2005 if (l->filelen % sizeof(*in))
2006 Host_Error("Mod_Q1BSP_LoadPlanes: funny lump size in %s", loadmodel->name);
2008 loadmodel->brushq1.numplanes = l->filelen / sizeof(*in);
2009 loadmodel->brushq1.planes = out = Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.numplanes * sizeof(*out));
2011 for (i = 0;i < loadmodel->brushq1.numplanes;i++, in++, out++)
2013 out->normal[0] = LittleFloat(in->normal[0]);
2014 out->normal[1] = LittleFloat(in->normal[1]);
2015 out->normal[2] = LittleFloat(in->normal[2]);
2016 out->dist = LittleFloat(in->dist);
2022 typedef struct portal_s
2025 mnode_t *nodes[2]; // [0] = front side of plane
2026 struct portal_s *next[2];
2028 struct portal_s *chain; // all portals are linked into a list
2032 static portal_t *portalchain;
2039 static portal_t *AllocPortal(void)
2042 p = Mem_Alloc(loadmodel->mempool, sizeof(portal_t));
2043 p->chain = portalchain;
2048 static void FreePortal(portal_t *p)
2053 static void Mod_Q1BSP_RecursiveRecalcNodeBBox(mnode_t *node)
2055 // calculate children first
2056 if (node->children[0]->contents >= 0)
2057 Mod_Q1BSP_RecursiveRecalcNodeBBox(node->children[0]);
2058 if (node->children[1]->contents >= 0)
2059 Mod_Q1BSP_RecursiveRecalcNodeBBox(node->children[1]);
2061 // make combined bounding box from children
2062 node->mins[0] = min(node->children[0]->mins[0], node->children[1]->mins[0]);
2063 node->mins[1] = min(node->children[0]->mins[1], node->children[1]->mins[1]);
2064 node->mins[2] = min(node->children[0]->mins[2], node->children[1]->mins[2]);
2065 node->maxs[0] = max(node->children[0]->maxs[0], node->children[1]->maxs[0]);
2066 node->maxs[1] = max(node->children[0]->maxs[1], node->children[1]->maxs[1]);
2067 node->maxs[2] = max(node->children[0]->maxs[2], node->children[1]->maxs[2]);
2070 static void Mod_Q1BSP_FinalizePortals(void)
2072 int i, j, numportals, numpoints;
2073 portal_t *p, *pnext;
2076 mleaf_t *leaf, *endleaf;
2079 // recalculate bounding boxes for all leafs(because qbsp is very sloppy)
2080 leaf = loadmodel->brushq1.leafs;
2081 endleaf = leaf + loadmodel->brushq1.numleafs;
2082 for (;leaf < endleaf;leaf++)
2084 VectorSet(leaf->mins, 2000000000, 2000000000, 2000000000);
2085 VectorSet(leaf->maxs, -2000000000, -2000000000, -2000000000);
2092 for (i = 0;i < 2;i++)
2094 leaf = (mleaf_t *)p->nodes[i];
2096 for (j = 0;j < w->numpoints;j++)
2098 if (leaf->mins[0] > w->points[j][0]) leaf->mins[0] = w->points[j][0];
2099 if (leaf->mins[1] > w->points[j][1]) leaf->mins[1] = w->points[j][1];
2100 if (leaf->mins[2] > w->points[j][2]) leaf->mins[2] = w->points[j][2];
2101 if (leaf->maxs[0] < w->points[j][0]) leaf->maxs[0] = w->points[j][0];
2102 if (leaf->maxs[1] < w->points[j][1]) leaf->maxs[1] = w->points[j][1];
2103 if (leaf->maxs[2] < w->points[j][2]) leaf->maxs[2] = w->points[j][2];
2110 Mod_Q1BSP_RecursiveRecalcNodeBBox(loadmodel->brushq1.nodes);
2112 // tally up portal and point counts
2118 // note: this check must match the one below or it will usually corrupt memory
2119 // 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
2120 if (p->winding && p->nodes[0] != p->nodes[1]
2121 && p->nodes[0]->contents != CONTENTS_SOLID && p->nodes[1]->contents != CONTENTS_SOLID
2122 && p->nodes[0]->contents != CONTENTS_SKY && p->nodes[1]->contents != CONTENTS_SKY)
2125 numpoints += p->winding->numpoints * 2;
2129 loadmodel->brushq1.portals = Mem_Alloc(loadmodel->mempool, numportals * sizeof(mportal_t) + numpoints * sizeof(mvertex_t));
2130 loadmodel->brushq1.numportals = numportals;
2131 loadmodel->brushq1.portalpoints = (void *)((qbyte *) loadmodel->brushq1.portals + numportals * sizeof(mportal_t));
2132 loadmodel->brushq1.numportalpoints = numpoints;
2133 // clear all leaf portal chains
2134 for (i = 0;i < loadmodel->brushq1.numleafs;i++)
2135 loadmodel->brushq1.leafs[i].portals = NULL;
2136 // process all portals in the global portal chain, while freeing them
2137 portal = loadmodel->brushq1.portals;
2138 point = loadmodel->brushq1.portalpoints;
2147 // note: this check must match the one above or it will usually corrupt memory
2148 // 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
2149 if (p->nodes[0] != p->nodes[1]
2150 && p->nodes[0]->contents != CONTENTS_SOLID && p->nodes[1]->contents != CONTENTS_SOLID
2151 && p->nodes[0]->contents != CONTENTS_SKY && p->nodes[1]->contents != CONTENTS_SKY)
2153 // first make the back to front portal(forward portal)
2154 portal->points = point;
2155 portal->numpoints = p->winding->numpoints;
2156 portal->plane.dist = p->plane.dist;
2157 VectorCopy(p->plane.normal, portal->plane.normal);
2158 portal->here = (mleaf_t *)p->nodes[1];
2159 portal->past = (mleaf_t *)p->nodes[0];
2161 for (j = 0;j < portal->numpoints;j++)
2163 VectorCopy(p->winding->points[j], point->position);
2166 PlaneClassify(&portal->plane);
2168 // link into leaf's portal chain
2169 portal->next = portal->here->portals;
2170 portal->here->portals = portal;
2172 // advance to next portal
2175 // then make the front to back portal(backward portal)
2176 portal->points = point;
2177 portal->numpoints = p->winding->numpoints;
2178 portal->plane.dist = -p->plane.dist;
2179 VectorNegate(p->plane.normal, portal->plane.normal);
2180 portal->here = (mleaf_t *)p->nodes[0];
2181 portal->past = (mleaf_t *)p->nodes[1];
2183 for (j = portal->numpoints - 1;j >= 0;j--)
2185 VectorCopy(p->winding->points[j], point->position);
2188 PlaneClassify(&portal->plane);
2190 // link into leaf's portal chain
2191 portal->next = portal->here->portals;
2192 portal->here->portals = portal;
2194 // advance to next portal
2197 Winding_Free(p->winding);
2209 static void AddPortalToNodes(portal_t *p, mnode_t *front, mnode_t *back)
2212 Host_Error("AddPortalToNodes: NULL front node");
2214 Host_Error("AddPortalToNodes: NULL back node");
2215 if (p->nodes[0] || p->nodes[1])
2216 Host_Error("AddPortalToNodes: already included");
2217 // 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
2219 p->nodes[0] = front;
2220 p->next[0] = (portal_t *)front->portals;
2221 front->portals = (mportal_t *)p;
2224 p->next[1] = (portal_t *)back->portals;
2225 back->portals = (mportal_t *)p;
2230 RemovePortalFromNode
2233 static void RemovePortalFromNodes(portal_t *portal)
2237 void **portalpointer;
2239 for (i = 0;i < 2;i++)
2241 node = portal->nodes[i];
2243 portalpointer = (void **) &node->portals;
2248 Host_Error("RemovePortalFromNodes: portal not in leaf");
2252 if (portal->nodes[0] == node)
2254 *portalpointer = portal->next[0];
2255 portal->nodes[0] = NULL;
2257 else if (portal->nodes[1] == node)
2259 *portalpointer = portal->next[1];
2260 portal->nodes[1] = NULL;
2263 Host_Error("RemovePortalFromNodes: portal not bounding leaf");
2267 if (t->nodes[0] == node)
2268 portalpointer = (void **) &t->next[0];
2269 else if (t->nodes[1] == node)
2270 portalpointer = (void **) &t->next[1];
2272 Host_Error("RemovePortalFromNodes: portal not bounding leaf");
2277 static void Mod_Q1BSP_RecursiveNodePortals(mnode_t *node)
2280 mnode_t *front, *back, *other_node;
2281 mplane_t clipplane, *plane;
2282 portal_t *portal, *nextportal, *nodeportal, *splitportal, *temp;
2283 winding_t *nodeportalwinding, *frontwinding, *backwinding;
2285 // if a leaf, we're done
2289 plane = node->plane;
2291 front = node->children[0];
2292 back = node->children[1];
2294 Host_Error("Mod_Q1BSP_RecursiveNodePortals: corrupt node hierarchy");
2296 // create the new portal by generating a polygon for the node plane,
2297 // and clipping it by all of the other portals(which came from nodes above this one)
2298 nodeportal = AllocPortal();
2299 nodeportal->plane = *node->plane;
2301 nodeportalwinding = Winding_NewFromPlane(node->plane->normal[0], node->plane->normal[1], node->plane->normal[2], node->plane->dist);
2302 side = 0; // shut up compiler warning
2303 for (portal = (portal_t *)node->portals;portal;portal = portal->next[side])
2305 clipplane = portal->plane;
2306 if (portal->nodes[0] == portal->nodes[1])
2307 Host_Error("Mod_Q1BSP_RecursiveNodePortals: portal has same node on both sides(1)");
2308 if (portal->nodes[0] == node)
2310 else if (portal->nodes[1] == node)
2312 clipplane.dist = -clipplane.dist;
2313 VectorNegate(clipplane.normal, clipplane.normal);
2317 Host_Error("Mod_Q1BSP_RecursiveNodePortals: mislinked portal");
2319 nodeportalwinding = Winding_Clip(nodeportalwinding, clipplane.normal[0], clipplane.normal[1], clipplane.normal[2], clipplane.dist, true);
2320 if (!nodeportalwinding)
2322 Con_Printf("Mod_Q1BSP_RecursiveNodePortals: WARNING: new portal was clipped away\n");
2327 if (nodeportalwinding)
2329 // if the plane was not clipped on all sides, there was an error
2330 nodeportal->winding = nodeportalwinding;
2331 AddPortalToNodes(nodeportal, front, back);
2334 // split the portals of this node along this node's plane and assign them to the children of this node
2335 // (migrating the portals downward through the tree)
2336 for (portal = (portal_t *)node->portals;portal;portal = nextportal)
2338 if (portal->nodes[0] == portal->nodes[1])
2339 Host_Error("Mod_Q1BSP_RecursiveNodePortals: portal has same node on both sides(2)");
2340 if (portal->nodes[0] == node)
2342 else if (portal->nodes[1] == node)
2345 Host_Error("Mod_Q1BSP_RecursiveNodePortals: mislinked portal");
2346 nextportal = portal->next[side];
2348 other_node = portal->nodes[!side];
2349 RemovePortalFromNodes(portal);
2351 // cut the portal into two portals, one on each side of the node plane
2352 Winding_Divide(portal->winding, plane->normal[0], plane->normal[1], plane->normal[2], plane->dist, &frontwinding, &backwinding);
2357 AddPortalToNodes(portal, back, other_node);
2359 AddPortalToNodes(portal, other_node, back);
2365 AddPortalToNodes(portal, front, other_node);
2367 AddPortalToNodes(portal, other_node, front);
2371 // the winding is split
2372 splitportal = AllocPortal();
2373 temp = splitportal->chain;
2374 *splitportal = *portal;
2375 splitportal->chain = temp;
2376 splitportal->winding = backwinding;
2377 Winding_Free(portal->winding);
2378 portal->winding = frontwinding;
2382 AddPortalToNodes(portal, front, other_node);
2383 AddPortalToNodes(splitportal, back, other_node);
2387 AddPortalToNodes(portal, other_node, front);
2388 AddPortalToNodes(splitportal, other_node, back);
2392 Mod_Q1BSP_RecursiveNodePortals(front);
2393 Mod_Q1BSP_RecursiveNodePortals(back);
2396 static void Mod_Q1BSP_MakePortals(void)
2399 Mod_Q1BSP_RecursiveNodePortals(loadmodel->brushq1.nodes);
2400 Mod_Q1BSP_FinalizePortals();
2403 static void Mod_Q1BSP_BuildSurfaceNeighbors(msurface_t *surfaces, int numsurfaces, mempool_t *mempool)
2406 int surfnum, vertnum, vertnum2, snum, vnum, vnum2;
2407 msurface_t *surf, *s;
2408 float *v0, *v1, *v2, *v3;
2409 for (surf = surfaces, surfnum = 0;surfnum < numsurfaces;surf++, surfnum++)
2410 surf->neighborsurfaces = Mem_Alloc(mempool, surf->poly_numverts * sizeof(msurface_t *));
2411 for (surf = surfaces, surfnum = 0;surfnum < numsurfaces;surf++, surfnum++)
2413 for (vertnum = surf->poly_numverts - 1, vertnum2 = 0, v0 = surf->poly_verts + (surf->poly_numverts - 1) * 3, v1 = surf->poly_verts;vertnum2 < surf->poly_numverts;vertnum = vertnum2, vertnum2++, v0 = v1, v1 += 3)
2415 if (surf->neighborsurfaces[vertnum])
2417 surf->neighborsurfaces[vertnum] = NULL;
2418 for (s = surfaces, snum = 0;snum < numsurfaces;s++, snum++)
2420 if (s->poly_mins[0] > (surf->poly_maxs[0] + 1) || s->poly_maxs[0] < (surf->poly_mins[0] - 1)
2421 || s->poly_mins[1] > (surf->poly_maxs[1] + 1) || s->poly_maxs[1] < (surf->poly_mins[1] - 1)
2422 || s->poly_mins[2] > (surf->poly_maxs[2] + 1) || s->poly_maxs[2] < (surf->poly_mins[2] - 1)
2425 for (vnum = 0;vnum < s->poly_numverts;vnum++)
2426 if (s->neighborsurfaces[vnum] == surf)
2428 if (vnum < s->poly_numverts)
2430 for (vnum = s->poly_numverts - 1, vnum2 = 0, v2 = s->poly_verts + (s->poly_numverts - 1) * 3, v3 = s->poly_verts;vnum2 < s->poly_numverts;vnum = vnum2, vnum2++, v2 = v3, v3 += 3)
2432 if (s->neighborsurfaces[vnum] == NULL
2433 && ((v0[0] == v2[0] && v0[1] == v2[1] && v0[2] == v2[2] && v1[0] == v3[0] && v1[1] == v3[1] && v1[2] == v3[2])
2434 || (v1[0] == v2[0] && v1[1] == v2[1] && v1[2] == v2[2] && v0[0] == v3[0] && v0[1] == v3[1] && v0[2] == v3[2])))
2436 surf->neighborsurfaces[vertnum] = s;
2437 s->neighborsurfaces[vnum] = surf;
2441 if (vnum < s->poly_numverts)
2449 static void Mod_Q1BSP_BuildLightmapUpdateChains(mempool_t *mempool, model_t *model)
2451 int i, j, stylecounts[256], totalcount, remapstyles[256];
2453 memset(stylecounts, 0, sizeof(stylecounts));
2454 for (i = 0;i < model->brushq1.nummodelsurfaces;i++)
2456 surf = model->brushq1.surfaces + model->brushq1.firstmodelsurface + i;
2457 for (j = 0;j < MAXLIGHTMAPS;j++)
2458 stylecounts[surf->styles[j]]++;
2461 model->brushq1.light_styles = 0;
2462 for (i = 0;i < 255;i++)
2466 remapstyles[i] = model->brushq1.light_styles++;
2467 totalcount += stylecounts[i] + 1;
2472 model->brushq1.light_style = Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(qbyte));
2473 model->brushq1.light_stylevalue = Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(int));
2474 model->brushq1.light_styleupdatechains = Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(msurface_t **));
2475 model->brushq1.light_styleupdatechainsbuffer = Mem_Alloc(mempool, totalcount * sizeof(msurface_t *));
2476 model->brushq1.light_styles = 0;
2477 for (i = 0;i < 255;i++)
2479 model->brushq1.light_style[model->brushq1.light_styles++] = i;
2481 for (i = 0;i < model->brushq1.light_styles;i++)
2483 model->brushq1.light_styleupdatechains[i] = model->brushq1.light_styleupdatechainsbuffer + j;
2484 j += stylecounts[model->brushq1.light_style[i]] + 1;
2486 for (i = 0;i < model->brushq1.nummodelsurfaces;i++)
2488 surf = model->brushq1.surfaces + model->brushq1.firstmodelsurface + i;
2489 for (j = 0;j < MAXLIGHTMAPS;j++)
2490 if (surf->styles[j] != 255)
2491 *model->brushq1.light_styleupdatechains[remapstyles[surf->styles[j]]]++ = surf;
2494 for (i = 0;i < model->brushq1.light_styles;i++)
2496 *model->brushq1.light_styleupdatechains[i] = NULL;
2497 model->brushq1.light_styleupdatechains[i] = model->brushq1.light_styleupdatechainsbuffer + j;
2498 j += stylecounts[model->brushq1.light_style[i]] + 1;
2502 static void Mod_Q1BSP_BuildPVSTextureChains(model_t *model)
2505 for (i = 0;i < model->brushq1.numtextures;i++)
2506 model->brushq1.pvstexturechainslength[i] = 0;
2507 for (i = 0, j = model->brushq1.firstmodelsurface;i < model->brushq1.nummodelsurfaces;i++, j++)
2509 if (model->brushq1.surfacepvsframes[j] == model->brushq1.pvsframecount)
2511 model->brushq1.pvssurflist[model->brushq1.pvssurflistlength++] = j;
2512 model->brushq1.pvstexturechainslength[model->brushq1.surfaces[j].texinfo->texture->number]++;
2515 for (i = 0, j = 0;i < model->brushq1.numtextures;i++)
2517 if (model->brushq1.pvstexturechainslength[i])
2519 model->brushq1.pvstexturechains[i] = model->brushq1.pvstexturechainsbuffer + j;
2520 j += model->brushq1.pvstexturechainslength[i] + 1;
2523 model->brushq1.pvstexturechains[i] = NULL;
2525 for (i = 0, j = model->brushq1.firstmodelsurface;i < model->brushq1.nummodelsurfaces;i++, j++)
2526 if (model->brushq1.surfacepvsframes[j] == model->brushq1.pvsframecount)
2527 *model->brushq1.pvstexturechains[model->brushq1.surfaces[j].texinfo->texture->number]++ = model->brushq1.surfaces + j;
2528 for (i = 0;i < model->brushq1.numtextures;i++)
2530 if (model->brushq1.pvstexturechainslength[i])
2532 *model->brushq1.pvstexturechains[i] = NULL;
2533 model->brushq1.pvstexturechains[i] -= model->brushq1.pvstexturechainslength[i];
2538 static void Mod_Q1BSP_FatPVS_RecursiveBSPNode(model_t *model, const vec3_t org, vec_t radius, qbyte *pvsbuffer, int pvsbytes, mnode_t *node)
2546 // if this is a leaf, accumulate the pvs bits
2547 if (node->contents < 0)
2549 if (node->contents != CONTENTS_SOLID && ((mleaf_t *)node)->pvsdata)
2550 for (i = 0;i < pvsbytes;i++)
2551 pvsbuffer[i] |= ((mleaf_t *)node)->pvsdata[i];
2555 plane = node->plane;
2556 d = DotProduct(org, plane->normal) - plane->dist;
2558 node = node->children[0];
2559 else if (d < -radius)
2560 node = node->children[1];
2563 Mod_Q1BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, pvsbytes, node->children[0]);
2564 node = node->children[1];
2569 //Calculates a PVS that is the inclusive or of all leafs within radius pixels
2570 //of the given point.
2571 static int Mod_Q1BSP_FatPVS(model_t *model, const vec3_t org, vec_t radius, qbyte *pvsbuffer, int pvsbufferlength)
2573 int bytes = ((model->brushq1.numleafs - 1) + 7) >> 3;
2574 bytes = min(bytes, pvsbufferlength);
2575 memset(pvsbuffer, 0, bytes);
2576 Mod_Q1BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, bytes, model->brushq1.nodes);
2580 static void Mod_Q1BSP_RoundUpToHullSize(model_t *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs)
2585 VectorSubtract(inmaxs, inmins, size);
2586 if (cmodel->brush.ishlbsp)
2589 hull = &cmodel->brushq1.hulls[0]; // 0x0x0
2590 else if (size[0] <= 32)
2592 if (size[2] < 54) // pick the nearest of 36 or 72
2593 hull = &cmodel->brushq1.hulls[3]; // 32x32x36
2595 hull = &cmodel->brushq1.hulls[1]; // 32x32x72
2598 hull = &cmodel->brushq1.hulls[2]; // 64x64x64
2603 hull = &cmodel->brushq1.hulls[0]; // 0x0x0
2604 else if (size[0] <= 32)
2605 hull = &cmodel->brushq1.hulls[1]; // 32x32x56
2607 hull = &cmodel->brushq1.hulls[2]; // 64x64x88
2609 VectorCopy(inmins, outmins);
2610 VectorAdd(inmins, hull->clip_size, outmaxs);
2613 extern void R_Model_Brush_DrawSky(entity_render_t *ent);
2614 extern void R_Model_Brush_Draw(entity_render_t *ent);
2615 extern void R_Model_Brush_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
2616 extern void R_Model_Brush_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, const matrix4x4_t *matrix_modeltofilter, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz);
2617 void Mod_Q1BSP_Load(model_t *mod, void *buffer)
2622 mempool_t *mainmempool;
2624 model_t *originalloadmodel;
2625 float dist, modelyawradius, modelradius, *vec;
2629 mod->type = mod_brush;
2631 header = (dheader_t *)buffer;
2633 i = LittleLong(header->version);
2634 if (i != BSPVERSION && i != 30)
2635 Host_Error("Mod_Q1BSP_Load: %s has wrong version number(%i should be %i(Quake) or 30(HalfLife))", mod->name, i, BSPVERSION);
2636 mod->brush.ishlbsp = i == 30;
2638 mod->brush.SuperContentsFromNativeContents = Mod_Q1BSP_SuperContentsFromNativeContents;
2639 mod->brush.NativeContentsFromSuperContents = Mod_Q1BSP_NativeContentsFromSuperContents;
2640 mod->brush.AmbientSoundLevelsForPoint = Mod_Q1BSP_AmbientSoundLevelsForPoint;
2641 mod->brush.FatPVS = Mod_Q1BSP_FatPVS;
2642 mod->brush.BoxTouchingPVS = Mod_Q1BSP_BoxTouchingPVS;
2643 mod->brush.LightPoint = Mod_Q1BSP_LightPoint;
2644 mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
2645 mod->brush.TraceBox = Mod_Q1BSP_TraceBox;
2646 mod->brush.RoundUpToHullSize = Mod_Q1BSP_RoundUpToHullSize;
2647 mod->brushq1.PointInLeaf = Mod_Q1BSP_PointInLeaf;
2648 mod->brushq1.BuildPVSTextureChains = Mod_Q1BSP_BuildPVSTextureChains;
2650 if (loadmodel->isworldmodel)
2652 Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
2653 // until we get a texture for it...
2657 // swap all the lumps
2658 mod_base = (qbyte *)header;
2660 for (i = 0;i < (int) sizeof(dheader_t) / 4;i++)
2661 ((int *)header)[i] = LittleLong(((int *)header)[i]);
2665 // store which lightmap format to use
2666 mod->brushq1.lightmaprgba = r_lightmaprgba.integer;
2668 Mod_Q1BSP_LoadEntities(&header->lumps[LUMP_ENTITIES]);
2669 Mod_Q1BSP_LoadVertexes(&header->lumps[LUMP_VERTEXES]);
2670 Mod_Q1BSP_LoadEdges(&header->lumps[LUMP_EDGES]);
2671 Mod_Q1BSP_LoadSurfedges(&header->lumps[LUMP_SURFEDGES]);
2672 Mod_Q1BSP_LoadTextures(&header->lumps[LUMP_TEXTURES]);
2673 Mod_Q1BSP_LoadLighting(&header->lumps[LUMP_LIGHTING]);
2674 Mod_Q1BSP_LoadPlanes(&header->lumps[LUMP_PLANES]);
2675 Mod_Q1BSP_LoadTexinfo(&header->lumps[LUMP_TEXINFO]);
2676 Mod_Q1BSP_LoadFaces(&header->lumps[LUMP_FACES]);
2677 Mod_Q1BSP_LoadMarksurfaces(&header->lumps[LUMP_MARKSURFACES]);
2678 Mod_Q1BSP_LoadVisibility(&header->lumps[LUMP_VISIBILITY]);
2679 Mod_Q1BSP_LoadLeafs(&header->lumps[LUMP_LEAFS]);
2680 Mod_Q1BSP_LoadNodes(&header->lumps[LUMP_NODES]);
2681 Mod_Q1BSP_LoadClipnodes(&header->lumps[LUMP_CLIPNODES]);
2682 Mod_Q1BSP_LoadSubmodels(&header->lumps[LUMP_MODELS]);
2684 if (mod->brushq1.data_compressedpvs)
2685 Mem_Free(mod->brushq1.data_compressedpvs);
2686 mod->brushq1.data_compressedpvs = NULL;
2687 mod->brushq1.num_compressedpvs = 0;
2689 Mod_Q1BSP_MakeHull0();
2690 Mod_Q1BSP_MakePortals();
2692 if (developer.integer)
2693 Con_Printf("Some stats for q1bsp model \"%s\": %i faces, %i nodes, %i leafs, %i visleafs, %i visleafportals\n", loadmodel->name, loadmodel->brushq1.numsurfaces, loadmodel->brushq1.numnodes, loadmodel->brushq1.numleafs, loadmodel->brushq1.numleafs - 1, loadmodel->brushq1.numportals);
2695 mod->numframes = 2; // regular and alternate animation
2697 mainmempool = mod->mempool;
2698 loadname = mod->name;
2700 Mod_Q1BSP_LoadLightList();
2701 originalloadmodel = loadmodel;
2704 // set up the submodels(FIXME: this is confusing)
2706 for (i = 0;i < mod->brush.numsubmodels;i++)
2708 bm = &mod->brushq1.submodels[i];
2710 mod->brushq1.hulls[0].firstclipnode = bm->headnode[0];
2711 for (j=1 ; j<MAX_MAP_HULLS ; j++)
2713 mod->brushq1.hulls[j].firstclipnode = bm->headnode[j];
2714 mod->brushq1.hulls[j].lastclipnode = mod->brushq1.numclipnodes - 1;
2717 mod->brushq1.firstmodelsurface = bm->firstface;
2718 mod->brushq1.nummodelsurfaces = bm->numfaces;
2720 // this gets altered below if sky is used
2721 mod->DrawSky = NULL;
2722 mod->Draw = R_Model_Brush_Draw;
2723 mod->DrawFakeShadow = NULL;
2724 mod->DrawShadowVolume = R_Model_Brush_DrawShadowVolume;
2725 mod->DrawLight = R_Model_Brush_DrawLight;
2726 mod->brushq1.pvstexturechains = Mem_Alloc(originalloadmodel->mempool, mod->brushq1.numtextures * sizeof(msurface_t **));
2727 mod->brushq1.pvstexturechainsbuffer = Mem_Alloc(originalloadmodel->mempool,(mod->brushq1.nummodelsurfaces + mod->brushq1.numtextures) * sizeof(msurface_t *));
2728 mod->brushq1.pvstexturechainslength = Mem_Alloc(originalloadmodel->mempool, mod->brushq1.numtextures * sizeof(int));
2729 Mod_Q1BSP_BuildPVSTextureChains(mod);
2730 Mod_Q1BSP_BuildLightmapUpdateChains(originalloadmodel->mempool, mod);
2731 if (mod->brushq1.nummodelsurfaces)
2733 // LordHavoc: calculate bmodel bounding box rather than trusting what it says
2734 mod->normalmins[0] = mod->normalmins[1] = mod->normalmins[2] = 1000000000.0f;
2735 mod->normalmaxs[0] = mod->normalmaxs[1] = mod->normalmaxs[2] = -1000000000.0f;
2738 for (j = 0, surf = &mod->brushq1.surfaces[mod->brushq1.firstmodelsurface];j < mod->brushq1.nummodelsurfaces;j++, surf++)
2740 // we only need to have a drawsky function if it is used(usually only on world model)
2741 if (surf->texinfo->texture->shader == &Cshader_sky)
2742 mod->DrawSky = R_Model_Brush_DrawSky;
2743 // LordHavoc: submodels always clip, even if water
2744 if (mod->brush.numsubmodels - 1)
2745 surf->flags |= SURF_SOLIDCLIP;
2746 // calculate bounding shapes
2747 for (mesh = surf->mesh;mesh;mesh = mesh->chain)
2749 for (k = 0, vec = mesh->vertex3f;k < mesh->numverts;k++, vec += 3)
2751 if (mod->normalmins[0] > vec[0]) mod->normalmins[0] = vec[0];
2752 if (mod->normalmins[1] > vec[1]) mod->normalmins[1] = vec[1];
2753 if (mod->normalmins[2] > vec[2]) mod->normalmins[2] = vec[2];
2754 if (mod->normalmaxs[0] < vec[0]) mod->normalmaxs[0] = vec[0];
2755 if (mod->normalmaxs[1] < vec[1]) mod->normalmaxs[1] = vec[1];
2756 if (mod->normalmaxs[2] < vec[2]) mod->normalmaxs[2] = vec[2];
2757 dist = vec[0]*vec[0]+vec[1]*vec[1];
2758 if (modelyawradius < dist)
2759 modelyawradius = dist;
2760 dist += vec[2]*vec[2];
2761 if (modelradius < dist)
2766 modelyawradius = sqrt(modelyawradius);
2767 modelradius = sqrt(modelradius);
2768 mod->yawmins[0] = mod->yawmins[1] = - (mod->yawmaxs[0] = mod->yawmaxs[1] = modelyawradius);
2769 mod->yawmins[2] = mod->normalmins[2];
2770 mod->yawmaxs[2] = mod->normalmaxs[2];
2771 mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius;
2772 mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
2773 mod->radius = modelradius;
2774 mod->radius2 = modelradius * modelradius;
2778 // LordHavoc: empty submodel(lacrima.bsp has such a glitch)
2779 Con_Printf("warning: empty submodel *%i in %s\n", i+1, loadname);
2781 Mod_Q1BSP_BuildSurfaceNeighbors(mod->brushq1.surfaces + mod->brushq1.firstmodelsurface, mod->brushq1.nummodelsurfaces, originalloadmodel->mempool);
2783 mod->brushq1.visleafs = bm->visleafs;
2785 // LordHavoc: only register submodels if it is the world
2786 // (prevents bsp models from replacing world submodels)
2787 if (loadmodel->isworldmodel && i < (mod->brush.numsubmodels - 1))
2790 // duplicate the basic information
2791 sprintf(name, "*%i", i+1);
2792 loadmodel = Mod_FindName(name);
2794 strcpy(loadmodel->name, name);
2795 // textures and memory belong to the main model
2796 loadmodel->texturepool = NULL;
2797 loadmodel->mempool = NULL;
2802 loadmodel = originalloadmodel;
2803 //Mod_Q1BSP_ProcessLightList();
2806 static void Mod_Q2BSP_LoadEntities(lump_t *l)
2810 static void Mod_Q2BSP_LoadPlanes(lump_t *l)
2817 in = (void *)(mod_base + l->fileofs);
2818 if (l->filelen % sizeof(*in))
2819 Host_Error("Mod_Q2BSP_LoadPlanes: funny lump size in %s",loadmodel->name);
2820 count = l->filelen / sizeof(*in);
2821 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
2824 loadmodel->num = count;
2826 for (i = 0;i < count;i++, in++, out++)
2832 static void Mod_Q2BSP_LoadVertices(lump_t *l)
2839 in = (void *)(mod_base + l->fileofs);
2840 if (l->filelen % sizeof(*in))
2841 Host_Error("Mod_Q2BSP_LoadVertices: funny lump size in %s",loadmodel->name);
2842 count = l->filelen / sizeof(*in);
2843 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
2846 loadmodel->num = count;
2848 for (i = 0;i < count;i++, in++, out++)
2854 static void Mod_Q2BSP_LoadVisibility(lump_t *l)
2861 in = (void *)(mod_base + l->fileofs);
2862 if (l->filelen % sizeof(*in))
2863 Host_Error("Mod_Q2BSP_LoadVisibility: funny lump size in %s",loadmodel->name);
2864 count = l->filelen / sizeof(*in);
2865 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
2868 loadmodel->num = count;
2870 for (i = 0;i < count;i++, in++, out++)
2876 static void Mod_Q2BSP_LoadNodes(lump_t *l)
2883 in = (void *)(mod_base + l->fileofs);
2884 if (l->filelen % sizeof(*in))
2885 Host_Error("Mod_Q2BSP_LoadNodes: funny lump size in %s",loadmodel->name);
2886 count = l->filelen / sizeof(*in);
2887 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
2890 loadmodel->num = count;
2892 for (i = 0;i < count;i++, in++, out++)
2898 static void Mod_Q2BSP_LoadTexInfo(lump_t *l)
2905 in = (void *)(mod_base + l->fileofs);
2906 if (l->filelen % sizeof(*in))
2907 Host_Error("Mod_Q2BSP_LoadTexInfo: funny lump size in %s",loadmodel->name);
2908 count = l->filelen / sizeof(*in);
2909 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
2912 loadmodel->num = count;
2914 for (i = 0;i < count;i++, in++, out++)
2920 static void Mod_Q2BSP_LoadFaces(lump_t *l)
2927 in = (void *)(mod_base + l->fileofs);
2928 if (l->filelen % sizeof(*in))
2929 Host_Error("Mod_Q2BSP_LoadFaces: funny lump size in %s",loadmodel->name);
2930 count = l->filelen / sizeof(*in);
2931 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
2934 loadmodel->num = count;
2936 for (i = 0;i < count;i++, in++, out++)
2942 static void Mod_Q2BSP_LoadLighting(lump_t *l)
2949 in = (void *)(mod_base + l->fileofs);
2950 if (l->filelen % sizeof(*in))
2951 Host_Error("Mod_Q2BSP_LoadLighting: funny lump size in %s",loadmodel->name);
2952 count = l->filelen / sizeof(*in);
2953 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
2956 loadmodel->num = count;
2958 for (i = 0;i < count;i++, in++, out++)
2964 static void Mod_Q2BSP_LoadLeafs(lump_t *l)
2971 in = (void *)(mod_base + l->fileofs);
2972 if (l->filelen % sizeof(*in))
2973 Host_Error("Mod_Q2BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
2974 count = l->filelen / sizeof(*in);
2975 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
2978 loadmodel->num = count;
2980 for (i = 0;i < count;i++, in++, out++)
2986 static void Mod_Q2BSP_LoadLeafFaces(lump_t *l)
2993 in = (void *)(mod_base + l->fileofs);
2994 if (l->filelen % sizeof(*in))
2995 Host_Error("Mod_Q2BSP_LoadLeafFaces: funny lump size in %s",loadmodel->name);
2996 count = l->filelen / sizeof(*in);
2997 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3000 loadmodel->num = count;
3002 for (i = 0;i < count;i++, in++, out++)
3008 static void Mod_Q2BSP_LoadLeafBrushes(lump_t *l)
3015 in = (void *)(mod_base + l->fileofs);
3016 if (l->filelen % sizeof(*in))
3017 Host_Error("Mod_Q2BSP_LoadLeafBrushes: funny lump size in %s",loadmodel->name);
3018 count = l->filelen / sizeof(*in);
3019 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3022 loadmodel->num = count;
3024 for (i = 0;i < count;i++, in++, out++)
3030 static void Mod_Q2BSP_LoadEdges(lump_t *l)
3037 in = (void *)(mod_base + l->fileofs);
3038 if (l->filelen % sizeof(*in))
3039 Host_Error("Mod_Q2BSP_LoadEdges: funny lump size in %s",loadmodel->name);
3040 count = l->filelen / sizeof(*in);
3041 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3044 loadmodel->num = count;
3046 for (i = 0;i < count;i++, in++, out++)
3052 static void Mod_Q2BSP_LoadSurfEdges(lump_t *l)
3059 in = (void *)(mod_base + l->fileofs);
3060 if (l->filelen % sizeof(*in))
3061 Host_Error("Mod_Q2BSP_LoadSurfEdges: funny lump size in %s",loadmodel->name);
3062 count = l->filelen / sizeof(*in);
3063 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3066 loadmodel->num = count;
3068 for (i = 0;i < count;i++, in++, out++)
3074 static void Mod_Q2BSP_LoadBrushes(lump_t *l)
3081 in = (void *)(mod_base + l->fileofs);
3082 if (l->filelen % sizeof(*in))
3083 Host_Error("Mod_Q2BSP_LoadBrushes: funny lump size in %s",loadmodel->name);
3084 count = l->filelen / sizeof(*in);
3085 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3088 loadmodel->num = count;
3090 for (i = 0;i < count;i++, in++, out++)
3096 static void Mod_Q2BSP_LoadBrushSides(lump_t *l)
3103 in = (void *)(mod_base + l->fileofs);
3104 if (l->filelen % sizeof(*in))
3105 Host_Error("Mod_Q2BSP_LoadBrushSides: funny lump size in %s",loadmodel->name);
3106 count = l->filelen / sizeof(*in);
3107 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3110 loadmodel->num = count;
3112 for (i = 0;i < count;i++, in++, out++)
3118 static void Mod_Q2BSP_LoadAreas(lump_t *l)
3125 in = (void *)(mod_base + l->fileofs);
3126 if (l->filelen % sizeof(*in))
3127 Host_Error("Mod_Q2BSP_LoadAreas: funny lump size in %s",loadmodel->name);
3128 count = l->filelen / sizeof(*in);
3129 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3132 loadmodel->num = count;
3134 for (i = 0;i < count;i++, in++, out++)
3140 static void Mod_Q2BSP_LoadAreaPortals(lump_t *l)
3147 in = (void *)(mod_base + l->fileofs);
3148 if (l->filelen % sizeof(*in))
3149 Host_Error("Mod_Q2BSP_LoadAreaPortals: funny lump size in %s",loadmodel->name);
3150 count = l->filelen / sizeof(*in);
3151 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3154 loadmodel->num = count;
3156 for (i = 0;i < count;i++, in++, out++)
3162 static void Mod_Q2BSP_LoadModels(lump_t *l)
3169 in = (void *)(mod_base + l->fileofs);
3170 if (l->filelen % sizeof(*in))
3171 Host_Error("Mod_Q2BSP_LoadModels: funny lump size in %s",loadmodel->name);
3172 count = l->filelen / sizeof(*in);
3173 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3176 loadmodel->num = count;
3178 for (i = 0;i < count;i++, in++, out++)
3184 void static Mod_Q2BSP_Load(model_t *mod, void *buffer)
3187 q2dheader_t *header;
3189 Host_Error("Mod_Q2BSP_Load: not yet implemented\n");
3191 mod->type = mod_brushq2;
3193 header = (q2dheader_t *)buffer;
3195 i = LittleLong(header->version);
3196 if (i != Q2BSPVERSION)
3197 Host_Error("Mod_Q2BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q2BSPVERSION);
3198 mod->brush.ishlbsp = false;
3199 if (loadmodel->isworldmodel)
3201 Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
3202 // until we get a texture for it...
3206 mod_base = (qbyte *)header;
3208 // swap all the lumps
3209 for (i = 0;i < (int) sizeof(*header) / 4;i++)
3210 ((int *)header)[i] = LittleLong(((int *)header)[i]);
3212 // store which lightmap format to use
3213 mod->brushq1.lightmaprgba = r_lightmaprgba.integer;
3215 Mod_Q2BSP_LoadEntities(&header->lumps[Q2LUMP_ENTITIES]);
3216 Mod_Q2BSP_LoadPlanes(&header->lumps[Q2LUMP_PLANES]);
3217 Mod_Q2BSP_LoadVertices(&header->lumps[Q2LUMP_VERTEXES]);
3218 Mod_Q2BSP_LoadVisibility(&header->lumps[Q2LUMP_VISIBILITY]);
3219 Mod_Q2BSP_LoadNodes(&header->lumps[Q2LUMP_NODES]);
3220 Mod_Q2BSP_LoadTexInfo(&header->lumps[Q2LUMP_TEXINFO]);
3221 Mod_Q2BSP_LoadFaces(&header->lumps[Q2LUMP_FACES]);
3222 Mod_Q2BSP_LoadLighting(&header->lumps[Q2LUMP_LIGHTING]);
3223 Mod_Q2BSP_LoadLeafs(&header->lumps[Q2LUMP_LEAFS]);
3224 Mod_Q2BSP_LoadLeafFaces(&header->lumps[Q2LUMP_LEAFFACES]);
3225 Mod_Q2BSP_LoadLeafBrushes(&header->lumps[Q2LUMP_LEAFBRUSHES]);
3226 Mod_Q2BSP_LoadEdges(&header->lumps[Q2LUMP_EDGES]);
3227 Mod_Q2BSP_LoadSurfEdges(&header->lumps[Q2LUMP_SURFEDGES]);
3228 Mod_Q2BSP_LoadBrushes(&header->lumps[Q2LUMP_BRUSHES]);
3229 Mod_Q2BSP_LoadBrushSides(&header->lumps[Q2LUMP_BRUSHSIDES]);
3230 Mod_Q2BSP_LoadAreas(&header->lumps[Q2LUMP_AREAS]);
3231 Mod_Q2BSP_LoadAreaPortals(&header->lumps[Q2LUMP_AREAPORTALS]);
3232 // LordHavoc: must go last because this makes the submodels
3233 Mod_Q2BSP_LoadModels(&header->lumps[Q2LUMP_MODELS]);
3236 static int Mod_Q3BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents);
3237 static int Mod_Q3BSP_NativeContentsFromSuperContents(model_t *model, int supercontents);
3239 static void Mod_Q3BSP_LoadEntities(lump_t *l)
3242 char key[128], value[4096];
3244 loadmodel->brushq3.num_lightgrid_cellsize[0] = 64;
3245 loadmodel->brushq3.num_lightgrid_cellsize[1] = 64;
3246 loadmodel->brushq3.num_lightgrid_cellsize[2] = 128;
3249 loadmodel->brush.entities = Mem_Alloc(loadmodel->mempool, l->filelen);
3250 memcpy(loadmodel->brush.entities, mod_base + l->fileofs, l->filelen);
3251 data = loadmodel->brush.entities;
3252 // some Q3 maps override the lightgrid_cellsize with a worldspawn key
3253 if (data && COM_ParseToken(&data, false) && com_token[0] == '{')
3257 if (!COM_ParseToken(&data, false))
3259 if (com_token[0] == '}')
3260 break; // end of worldspawn
3261 if (com_token[0] == '_')
3262 strcpy(key, com_token + 1);
3264 strcpy(key, com_token);
3265 while (key[strlen(key)-1] == ' ') // remove trailing spaces
3266 key[strlen(key)-1] = 0;
3267 if (!COM_ParseToken(&data, false))
3269 strcpy(value, com_token);
3270 if (!strcmp("gridsize", key))
3272 if (sscanf(value, "%f %f %f", &v[0], &v[1], &v[2]) == 3 && v[0] != 0 && v[1] != 0 && v[2] != 0)
3273 VectorCopy(v, loadmodel->brushq3.num_lightgrid_cellsize);
3279 static void Mod_Q3BSP_LoadTextures(lump_t *l)
3285 in = (void *)(mod_base + l->fileofs);
3286 if (l->filelen % sizeof(*in))
3287 Host_Error("Mod_Q3BSP_LoadTextures: funny lump size in %s",loadmodel->name);
3288 count = l->filelen / sizeof(*in);
3289 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3291 loadmodel->brushq3.data_textures = out;
3292 loadmodel->brushq3.num_textures = count;
3294 for (i = 0;i < count;i++, in++, out++)
3296 strncpy(out->name, in->name, sizeof(out->name) - 1);
3297 out->surfaceflags = LittleLong(in->surfaceflags);
3298 out->nativecontents = LittleLong(in->contents);
3299 out->supercontents = Mod_Q3BSP_SuperContentsFromNativeContents(loadmodel, out->nativecontents);
3300 out->renderflags = 0;
3301 if (!strcmp(out->name, "caulk") || !strcmp(out->name, "common/caulk") || !strcmp(out->name, "textures/common/caulk"))
3302 out->renderflags |= Q3MTEXTURERENDERFLAGS_NODRAW;
3305 Mod_LoadSkinFrame(&out->skin, out->name, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE, false, true, true);
3309 static void Mod_Q3BSP_LoadPlanes(lump_t *l)
3315 in = (void *)(mod_base + l->fileofs);
3316 if (l->filelen % sizeof(*in))
3317 Host_Error("Mod_Q3BSP_LoadPlanes: funny lump size in %s",loadmodel->name);
3318 count = l->filelen / sizeof(*in);
3319 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3321 loadmodel->brushq3.data_planes = out;
3322 loadmodel->brushq3.num_planes = count;
3324 for (i = 0;i < count;i++, in++, out++)
3326 out->normal[0] = LittleLong(in->normal[0]);
3327 out->normal[1] = LittleLong(in->normal[1]);
3328 out->normal[2] = LittleLong(in->normal[2]);
3329 out->dist = LittleLong(in->dist);
3334 static void Mod_Q3BSP_LoadBrushSides(lump_t *l)
3337 q3mbrushside_t *out;
3340 in = (void *)(mod_base + l->fileofs);
3341 if (l->filelen % sizeof(*in))
3342 Host_Error("Mod_Q3BSP_LoadBrushSides: funny lump size in %s",loadmodel->name);
3343 count = l->filelen / sizeof(*in);
3344 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3346 loadmodel->brushq3.data_brushsides = out;
3347 loadmodel->brushq3.num_brushsides = count;
3349 for (i = 0;i < count;i++, in++, out++)
3351 n = LittleLong(in->planeindex);
3352 if (n < 0 || n >= loadmodel->brushq3.num_planes)
3353 Host_Error("Mod_Q3BSP_LoadBrushSides: invalid planeindex %i (%i planes)\n", n, loadmodel->brushq3.num_planes);
3354 out->plane = loadmodel->brushq3.data_planes + n;
3355 n = LittleLong(in->textureindex);
3356 if (n < 0 || n >= loadmodel->brushq3.num_textures)
3357 Host_Error("Mod_Q3BSP_LoadBrushSides: invalid textureindex %i (%i textures)\n", n, loadmodel->brushq3.num_textures);
3358 out->texture = loadmodel->brushq3.data_textures + n;
3362 static void Mod_Q3BSP_LoadBrushes(lump_t *l)
3366 int i, j, n, c, count, numplanes, maxplanes;
3369 in = (void *)(mod_base + l->fileofs);
3370 if (l->filelen % sizeof(*in))
3371 Host_Error("Mod_Q3BSP_LoadBrushes: funny lump size in %s",loadmodel->name);
3372 count = l->filelen / sizeof(*in);
3373 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3375 loadmodel->brushq3.data_brushes = out;
3376 loadmodel->brushq3.num_brushes = count;
3381 for (i = 0;i < count;i++, in++, out++)
3383 n = LittleLong(in->firstbrushside);
3384 c = LittleLong(in->numbrushsides);
3385 if (n < 0 || n + c > loadmodel->brushq3.num_brushsides)
3386 Host_Error("Mod_Q3BSP_LoadBrushes: invalid brushside range %i : %i (%i brushsides)\n", n, n + c, loadmodel->brushq3.num_brushsides);
3387 out->firstbrushside = loadmodel->brushq3.data_brushsides + n;
3388 out->numbrushsides = c;
3389 n = LittleLong(in->textureindex);
3390 if (n < 0 || n >= loadmodel->brushq3.num_textures)
3391 Host_Error("Mod_Q3BSP_LoadBrushes: invalid textureindex %i (%i textures)\n", n, loadmodel->brushq3.num_textures);
3392 out->texture = loadmodel->brushq3.data_textures + n;
3394 // make a list of mplane_t structs to construct a colbrush from
3395 if (maxplanes < numplanes)
3397 maxplanes = numplanes;
3400 planes = Mem_Alloc(tempmempool, sizeof(mplane_t) * maxplanes);
3402 for (j = 0;j < out->numbrushsides;j++)
3404 VectorCopy(out->firstbrushside[j].plane->normal, planes[j].normal);
3405 planes[j].dist = out->firstbrushside[j].plane->dist;
3407 // make the colbrush from the planes
3408 out->colbrushf = Collision_NewBrushFromPlanes(loadmodel->mempool, out->numbrushsides, planes, out->texture->supercontents);
3414 static void Mod_Q3BSP_LoadEffects(lump_t *l)
3420 in = (void *)(mod_base + l->fileofs);
3421 if (l->filelen % sizeof(*in))
3422 Host_Error("Mod_Q3BSP_LoadEffects: funny lump size in %s",loadmodel->name);
3423 count = l->filelen / sizeof(*in);
3424 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3426 loadmodel->brushq3.data_effects = out;
3427 loadmodel->brushq3.num_effects = count;
3429 for (i = 0;i < count;i++, in++, out++)
3431 strncpy(out->shadername, in->shadername, sizeof(out->shadername) - 1);
3432 n = LittleLong(in->brushindex);
3433 if (n < 0 || n >= loadmodel->brushq3.num_brushes)
3434 Host_Error("Mod_Q3BSP_LoadEffects: invalid brushindex %i (%i brushes)\n", n, loadmodel->brushq3.num_brushes);
3435 out->brush = loadmodel->brushq3.data_brushes + n;
3436 out->unknown = LittleLong(in->unknown);
3440 static void Mod_Q3BSP_LoadVertices(lump_t *l)
3445 in = (void *)(mod_base + l->fileofs);
3446 if (l->filelen % sizeof(*in))
3447 Host_Error("Mod_Q3BSP_LoadVertices: funny lump size in %s",loadmodel->name);
3448 loadmodel->brushq3.num_vertices = count = l->filelen / sizeof(*in);
3449 loadmodel->brushq3.data_vertex3f = Mem_Alloc(loadmodel->mempool, count * sizeof(float[3]));
3450 loadmodel->brushq3.data_texcoordtexture2f = Mem_Alloc(loadmodel->mempool, count * sizeof(float[2]));
3451 loadmodel->brushq3.data_texcoordlightmap2f = Mem_Alloc(loadmodel->mempool, count * sizeof(float[2]));
3452 loadmodel->brushq3.data_svector3f = Mem_Alloc(loadmodel->mempool, count * sizeof(float[3]));
3453 loadmodel->brushq3.data_tvector3f = Mem_Alloc(loadmodel->mempool, count * sizeof(float[3]));
3454 loadmodel->brushq3.data_normal3f = Mem_Alloc(loadmodel->mempool, count * sizeof(float[3]));
3455 loadmodel->brushq3.data_color4f = Mem_Alloc(loadmodel->mempool, count * sizeof(float[4]));
3457 for (i = 0;i < count;i++, in++)
3459 loadmodel->brushq3.data_vertex3f[i * 3 + 0] = LittleFloat(in->origin3f[0]);
3460 loadmodel->brushq3.data_vertex3f[i * 3 + 1] = LittleFloat(in->origin3f[1]);
3461 loadmodel->brushq3.data_vertex3f[i * 3 + 2] = LittleFloat(in->origin3f[2]);
3462 loadmodel->brushq3.data_texcoordtexture2f[i * 2 + 0] = LittleFloat(in->texcoord2f[0]);
3463 loadmodel->brushq3.data_texcoordtexture2f[i * 2 + 1] = LittleFloat(in->texcoord2f[1]);
3464 loadmodel->brushq3.data_texcoordlightmap2f[i * 2 + 0] = LittleFloat(in->lightmap2f[0]);
3465 loadmodel->brushq3.data_texcoordlightmap2f[i * 2 + 1] = LittleFloat(in->lightmap2f[1]);
3466 // svector/tvector are calculated later in face loading
3467 loadmodel->brushq3.data_svector3f[i * 3 + 0] = 0;
3468 loadmodel->brushq3.data_svector3f[i * 3 + 1] = 0;
3469 loadmodel->brushq3.data_svector3f[i * 3 + 2] = 0;
3470 loadmodel->brushq3.data_tvector3f[i * 3 + 0] = 0;
3471 loadmodel->brushq3.data_tvector3f[i * 3 + 1] = 0;
3472 loadmodel->brushq3.data_tvector3f[i * 3 + 2] = 0;
3473 loadmodel->brushq3.data_normal3f[i * 3 + 0] = LittleFloat(in->normal3f[0]);
3474 loadmodel->brushq3.data_normal3f[i * 3 + 1] = LittleFloat(in->normal3f[1]);
3475 loadmodel->brushq3.data_normal3f[i * 3 + 2] = LittleFloat(in->normal3f[2]);
3476 loadmodel->brushq3.data_color4f[i * 4 + 0] = in->color4ub[0] * (1.0f / 255.0f);
3477 loadmodel->brushq3.data_color4f[i * 4 + 1] = in->color4ub[1] * (1.0f / 255.0f);
3478 loadmodel->brushq3.data_color4f[i * 4 + 2] = in->color4ub[2] * (1.0f / 255.0f);
3479 loadmodel->brushq3.data_color4f[i * 4 + 3] = in->color4ub[3] * (1.0f / 255.0f);
3483 static void Mod_Q3BSP_LoadTriangles(lump_t *l)
3489 in = (void *)(mod_base + l->fileofs);
3490 if (l->filelen % sizeof(int[3]))
3491 Host_Error("Mod_Q3BSP_LoadTriangles: funny lump size in %s",loadmodel->name);
3492 count = l->filelen / sizeof(*in);
3493 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3495 loadmodel->brushq3.num_triangles = count / 3;
3496 loadmodel->brushq3.data_element3i = out;
3497 loadmodel->brushq3.data_neighbor3i = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3499 for (i = 0;i < count;i++, in++, out++)
3501 *out = LittleLong(*in);
3502 if (*out < 0 || *out >= loadmodel->brushq3.num_vertices)
3503 Host_Error("Mod_Q3BSP_LoadTriangles: invalid vertexindex %i (%i vertices)\n", *out, loadmodel->brushq3.num_vertices);
3507 static void Mod_Q3BSP_LoadLightmaps(lump_t *l)
3513 in = (void *)(mod_base + l->fileofs);
3514 if (l->filelen % sizeof(*in))
3515 Host_Error("Mod_Q3BSP_LoadLightmaps: funny lump size in %s",loadmodel->name);
3516 count = l->filelen / sizeof(*in);
3517 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3519 loadmodel->brushq3.data_lightmaps = out;
3520 loadmodel->brushq3.num_lightmaps = count;
3522 for (i = 0;i < count;i++, in++, out++)
3523 *out = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%04i", i), 128, 128, in->rgb, TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
3526 static void Mod_Q3BSP_LoadFaces(lump_t *l)
3530 int i, j, n, count, invalidelements, patchsize[2];
3532 in = (void *)(mod_base + l->fileofs);
3533 if (l->filelen % sizeof(*in))
3534 Host_Error("Mod_Q3BSP_LoadFaces: funny lump size in %s",loadmodel->name);
3535 count = l->filelen / sizeof(*in);
3536 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3538 loadmodel->brushq3.data_faces = out;
3539 loadmodel->brushq3.num_faces = count;
3541 for (i = 0;i < count;i++, in++, out++)
3543 // check face type first
3544 out->type = LittleLong(in->type);
3545 if (out->type != Q3FACETYPE_POLYGON
3546 && out->type != Q3FACETYPE_PATCH
3547 && out->type != Q3FACETYPE_MESH
3548 && out->type != Q3FACETYPE_FLARE)
3550 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i: unknown face type %i\n", i, out->type);
3551 out->type = 0; // error
3555 n = LittleLong(in->textureindex);
3556 if (n < 0 || n >= loadmodel->brushq3.num_textures)
3558 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i: invalid textureindex %i (%i textures)\n", i, n, loadmodel->brushq3.num_textures);
3559 out->type = 0; // error
3563 out->texture = loadmodel->brushq3.data_textures + n;
3564 n = LittleLong(in->effectindex);
3565 if (n < -1 || n >= loadmodel->brushq3.num_effects)
3567 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid effectindex %i (%i effects)\n", i, out->texture->name, n, loadmodel->brushq3.num_effects);
3573 out->effect = loadmodel->brushq3.data_effects + n;
3574 n = LittleLong(in->lightmapindex);
3575 if (n < -1 || n >= loadmodel->brushq3.num_lightmaps)
3577 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid lightmapindex %i (%i lightmaps)\n", i, out->texture->name, n, loadmodel->brushq3.num_lightmaps);
3581 out->lightmaptexture = NULL;
3583 out->lightmaptexture = loadmodel->brushq3.data_lightmaps[n];
3585 out->firstvertex = LittleLong(in->firstvertex);
3586 out->numvertices = LittleLong(in->numvertices);
3587 out->firstelement = LittleLong(in->firstelement);
3588 out->numelements = LittleLong(in->numelements);
3589 out->numtriangles = out->numelements / 3;
3590 if (out->firstvertex < 0 || out->firstvertex + out->numvertices > loadmodel->brushq3.num_vertices)
3592 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid vertex range %i : %i (%i vertices)\n", i, out->texture->name, out->firstvertex, out->firstvertex + out->numvertices, loadmodel->brushq3.num_vertices);
3593 out->type = 0; // error
3596 if (out->firstelement < 0 || out->firstelement + out->numelements > loadmodel->brushq3.num_triangles * 3)
3598 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid element range %i : %i (%i elements)\n", i, out->texture->name, out->firstelement, out->firstelement + out->numelements, loadmodel->brushq3.num_triangles * 3);
3599 out->type = 0; // error
3602 if (out->numtriangles * 3 != out->numelements)
3604 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): numelements %i is not a multiple of 3\n", i, out->texture->name, out->numelements);
3605 out->type = 0; // error
3610 case Q3FACETYPE_POLYGON:
3611 case Q3FACETYPE_MESH:
3612 out->data_vertex3f = loadmodel->brushq3.data_vertex3f + out->firstvertex * 3;
3613 out->data_texcoordtexture2f = loadmodel->brushq3.data_texcoordtexture2f + out->firstvertex * 2;
3614 out->data_texcoordlightmap2f = loadmodel->brushq3.data_texcoordlightmap2f + out->firstvertex * 2;
3615 out->data_svector3f = loadmodel->brushq3.data_svector3f + out->firstvertex * 3;
3616 out->data_tvector3f = loadmodel->brushq3.data_tvector3f + out->firstvertex * 3;
3617 out->data_normal3f = loadmodel->brushq3.data_normal3f + out->firstvertex * 3;
3618 out->data_color4f = loadmodel->brushq3.data_color4f + out->firstvertex * 4;
3619 out->data_element3i = loadmodel->brushq3.data_element3i + out->firstelement;
3620 out->data_neighbor3i = loadmodel->brushq3.data_neighbor3i + out->firstelement;
3622 case Q3FACETYPE_PATCH:
3623 patchsize[0] = LittleLong(in->specific.patch.patchsize[0]);
3624 patchsize[1] = LittleLong(in->specific.patch.patchsize[1]);
3625 if (patchsize[0] < 1 || patchsize[1] < 1)
3627 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid patchsize %ix%i\n", i, out->texture->name, patchsize[0], patchsize[1]);
3628 out->type = 0; // error
3631 // FIXME: convert patch to triangles here!
3632 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): Q3FACETYPE_PATCH not supported (yet)\n", i, out->texture->name);
3636 case Q3FACETYPE_FLARE:
3637 Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): Q3FACETYPE_FLARE not supported (yet)\n", i, out->texture->name);
3642 for (j = 0, invalidelements = 0;j < out->numelements;j++)
3643 if (out->data_element3i[j] < 0 || out->data_element3i[j] >= out->numvertices)
3645 if (invalidelements)
3647 Con_Printf("Mod_Q3BSP_LoadFaces: Warning: face #%i has %i invalid elements, type = %i, texture->name = \"%s\", texture->surfaceflags = %i, texture->nativecontents = %i, firstvertex = %i, numvertices = %i, firstelement = %i, numelements = %i, elements list:\n", i, invalidelements, out->type, out->texture->name, out->texture->surfaceflags, out->texture->nativecontents, out->firstvertex, out->numvertices, out->firstelement, out->numelements);
3648 for (j = 0;j < out->numelements;j++)
3650 Con_Printf(" %i", out->data_element3i[j]);
3651 if (out->data_element3i[j] < 0 || out->data_element3i[j] >= out->numvertices)
3652 out->data_element3i[j] = 0;
3659 static void Mod_Q3BSP_LoadModels(lump_t *l)
3663 int i, j, n, c, count;
3665 in = (void *)(mod_base + l->fileofs);
3666 if (l->filelen % sizeof(*in))
3667 Host_Error("Mod_Q3BSP_LoadModels: funny lump size in %s",loadmodel->name);
3668 count = l->filelen / sizeof(*in);
3669 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3671 loadmodel->brushq3.data_models = out;
3672 loadmodel->brushq3.num_models = count;
3674 for (i = 0;i < count;i++, in++, out++)
3676 for (j = 0;j < 3;j++)
3678 out->mins[j] = LittleFloat(in->mins[j]);
3679 out->maxs[j] = LittleFloat(in->maxs[j]);
3681 n = LittleLong(in->firstface);
3682 c = LittleLong(in->numfaces);
3683 if (n < 0 || n + c > loadmodel->brushq3.num_faces)
3684 Host_Error("Mod_Q3BSP_LoadModels: invalid face range %i : %i (%i faces)\n", n, n + c, loadmodel->brushq3.num_faces);
3685 out->firstface = loadmodel->brushq3.data_faces + n;
3687 n = LittleLong(in->firstbrush);
3688 c = LittleLong(in->numbrushes);
3689 if (n < 0 || n + c > loadmodel->brushq3.num_brushes)
3690 Host_Error("Mod_Q3BSP_LoadModels: invalid brush range %i : %i (%i brushes)\n", n, n + c, loadmodel->brushq3.num_brushes);
3691 out->firstbrush = loadmodel->brushq3.data_brushes + n;
3692 out->numbrushes = c;
3696 static void Mod_Q3BSP_LoadLeafBrushes(lump_t *l)
3702 in = (void *)(mod_base + l->fileofs);
3703 if (l->filelen % sizeof(*in))
3704 Host_Error("Mod_Q3BSP_LoadLeafBrushes: funny lump size in %s",loadmodel->name);
3705 count = l->filelen / sizeof(*in);
3706 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3708 loadmodel->brushq3.data_leafbrushes = out;
3709 loadmodel->brushq3.num_leafbrushes = count;
3711 for (i = 0;i < count;i++, in++, out++)
3713 n = LittleLong(*in);
3714 if (n < 0 || n >= loadmodel->brushq3.num_brushes)
3715 Host_Error("Mod_Q3BSP_LoadLeafBrushes: invalid brush index %i (%i brushes)\n", n, loadmodel->brushq3.num_brushes);
3716 *out = loadmodel->brushq3.data_brushes + n;
3720 static void Mod_Q3BSP_LoadLeafFaces(lump_t *l)
3726 in = (void *)(mod_base + l->fileofs);
3727 if (l->filelen % sizeof(*in))
3728 Host_Error("Mod_Q3BSP_LoadLeafFaces: funny lump size in %s",loadmodel->name);
3729 count = l->filelen / sizeof(*in);
3730 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3732 loadmodel->brushq3.data_leaffaces = out;
3733 loadmodel->brushq3.num_leaffaces = count;
3735 for (i = 0;i < count;i++, in++, out++)
3737 n = LittleLong(*in);
3738 if (n < 0 || n >= loadmodel->brushq3.num_faces)
3739 Host_Error("Mod_Q3BSP_LoadLeafFaces: invalid face index %i (%i faces)\n", n, loadmodel->brushq3.num_faces);
3740 *out = loadmodel->brushq3.data_faces + n;
3744 static void Mod_Q3BSP_LoadLeafs(lump_t *l)
3748 int i, j, n, c, count;
3750 in = (void *)(mod_base + l->fileofs);
3751 if (l->filelen % sizeof(*in))
3752 Host_Error("Mod_Q3BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
3753 count = l->filelen / sizeof(*in);
3754 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3756 loadmodel->brushq3.data_leafs = out;
3757 loadmodel->brushq3.num_leafs = count;
3759 for (i = 0;i < count;i++, in++, out++)
3761 out->isnode = false;
3763 out->clusterindex = LittleLong(in->clusterindex);
3764 out->areaindex = LittleLong(in->areaindex);
3765 for (j = 0;j < 3;j++)
3767 // yes the mins/maxs are ints
3768 out->mins[j] = LittleLong(in->mins[j]);
3769 out->maxs[j] = LittleLong(in->maxs[j]);
3771 n = LittleLong(in->firstleafface);
3772 c = LittleLong(in->numleaffaces);
3773 if (n < 0 || n + c > loadmodel->brushq3.num_leaffaces)
3774 Host_Error("Mod_Q3BSP_LoadLeafs: invalid leafface range %i : %i (%i leaffaces)\n", n, n + c, loadmodel->brushq3.num_leaffaces);
3775 out->firstleafface = loadmodel->brushq3.data_leaffaces + n;
3776 out->numleaffaces = c;
3777 n = LittleLong(in->firstleafbrush);
3778 c = LittleLong(in->numleafbrushes);
3779 if (n < 0 || n + c > loadmodel->brushq3.num_leafbrushes)
3780 Host_Error("Mod_Q3BSP_LoadLeafs: invalid leafbrush range %i : %i (%i leafbrushes)\n", n, n + c, loadmodel->brushq3.num_leafbrushes);
3781 out->firstleafbrush = loadmodel->brushq3.data_leafbrushes + n;
3782 out->numleafbrushes = c;
3786 static void Mod_Q3BSP_LoadNodes_RecursiveSetParent(q3mnode_t *node, q3mnode_t *parent)
3789 Host_Error("Mod_Q3BSP_LoadNodes_RecursiveSetParent: runaway recursion\n");
3790 node->parent = parent;
3793 Mod_Q3BSP_LoadNodes_RecursiveSetParent(node->children[0], node);
3794 Mod_Q3BSP_LoadNodes_RecursiveSetParent(node->children[1], node);
3798 static void Mod_Q3BSP_LoadNodes(lump_t *l)
3804 in = (void *)(mod_base + l->fileofs);
3805 if (l->filelen % sizeof(*in))
3806 Host_Error("Mod_Q3BSP_LoadNodes: funny lump size in %s",loadmodel->name);
3807 count = l->filelen / sizeof(*in);
3808 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3810 loadmodel->brushq3.data_nodes = out;
3811 loadmodel->brushq3.num_nodes = count;
3813 for (i = 0;i < count;i++, in++, out++)
3817 n = LittleLong(in->planeindex);
3818 if (n < 0 || n >= loadmodel->brushq3.num_planes)
3819 Host_Error("Mod_Q3BSP_LoadNodes: invalid planeindex %i (%i planes)\n", n, loadmodel->brushq3.num_planes);
3820 out->plane = loadmodel->brushq3.data_planes + n;
3821 for (j = 0;j < 2;j++)
3823 n = LittleLong(in->childrenindex[j]);
3826 if (n >= loadmodel->brushq3.num_nodes)
3827 Host_Error("Mod_Q3BSP_LoadNodes: invalid child node index %i (%i nodes)\n", n, loadmodel->brushq3.num_nodes);
3828 out->children[j] = loadmodel->brushq3.data_nodes + n;
3833 if (n >= loadmodel->brushq3.num_leafs)
3834 Host_Error("Mod_Q3BSP_LoadNodes: invalid child leaf index %i (%i leafs)\n", n, loadmodel->brushq3.num_leafs);
3835 out->children[j] = (q3mnode_t *)(loadmodel->brushq3.data_leafs + n);
3838 // we don't load the mins/maxs
3841 // set the parent pointers
3842 Mod_Q3BSP_LoadNodes_RecursiveSetParent(loadmodel->brushq3.data_nodes, NULL);
3845 static void Mod_Q3BSP_LoadLightGrid(lump_t *l)
3848 q3dlightgrid_t *out;
3851 in = (void *)(mod_base + l->fileofs);
3852 if (l->filelen % sizeof(*in))
3853 Host_Error("Mod_Q3BSP_LoadLightGrid: funny lump size in %s",loadmodel->name);
3854 loadmodel->brushq3.num_lightgrid_scale[0] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[0];
3855 loadmodel->brushq3.num_lightgrid_scale[1] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[1];
3856 loadmodel->brushq3.num_lightgrid_scale[2] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[2];
3857 loadmodel->brushq3.num_lightgrid_imins[0] = ceil(loadmodel->brushq3.data_models->mins[0] * loadmodel->brushq3.num_lightgrid_scale[0]);
3858 loadmodel->brushq3.num_lightgrid_imins[1] = ceil(loadmodel->brushq3.data_models->mins[1] * loadmodel->brushq3.num_lightgrid_scale[1]);
3859 loadmodel->brushq3.num_lightgrid_imins[2] = ceil(loadmodel->brushq3.data_models->mins[2] * loadmodel->brushq3.num_lightgrid_scale[2]);
3860 loadmodel->brushq3.num_lightgrid_imaxs[0] = floor(loadmodel->brushq3.data_models->maxs[0] * loadmodel->brushq3.num_lightgrid_scale[0]);
3861 loadmodel->brushq3.num_lightgrid_imaxs[1] = floor(loadmodel->brushq3.data_models->maxs[1] * loadmodel->brushq3.num_lightgrid_scale[1]);
3862 loadmodel->brushq3.num_lightgrid_imaxs[2] = floor(loadmodel->brushq3.data_models->maxs[2] * loadmodel->brushq3.num_lightgrid_scale[2]);
3863 loadmodel->brushq3.num_lightgrid_isize[0] = loadmodel->brushq3.num_lightgrid_imaxs[0] - loadmodel->brushq3.num_lightgrid_imins[0] + 1;
3864 loadmodel->brushq3.num_lightgrid_isize[1] = loadmodel->brushq3.num_lightgrid_imaxs[1] - loadmodel->brushq3.num_lightgrid_imins[1] + 1;
3865 loadmodel->brushq3.num_lightgrid_isize[2] = loadmodel->brushq3.num_lightgrid_imaxs[2] - loadmodel->brushq3.num_lightgrid_imins[2] + 1;
3866 count = loadmodel->brushq3.num_lightgrid_isize[0] * loadmodel->brushq3.num_lightgrid_isize[1] * loadmodel->brushq3.num_lightgrid_isize[2];
3867 if (l->filelen < count * (int)sizeof(*in))
3868 Host_Error("Mod_Q3BSP_LoadLightGrid: invalid lightgrid lump size %i bytes, should be %i bytes (%ix%ix%i)\n", l->filelen, count * sizeof(*in), loadmodel->brushq3.num_lightgrid_dimensions[0], loadmodel->brushq3.num_lightgrid_dimensions[1], loadmodel->brushq3.num_lightgrid_dimensions[2]);
3869 if (l->filelen != count * (int)sizeof(*in))
3870 Con_Printf("Mod_Q3BSP_LoadLightGrid: Warning: calculated lightgrid size %i bytes does not match lump size %i\n", count * sizeof(*in), l->filelen);
3872 out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
3873 loadmodel->brushq3.data_lightgrid = out;
3874 loadmodel->brushq3.num_lightgrid = count;
3876 // no swapping or validation necessary
3877 memcpy(out, in, count * (int)sizeof(*out));
3879 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]);
3880 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]);
3883 static void Mod_Q3BSP_LoadPVS(lump_t *l)
3888 in = (void *)(mod_base + l->fileofs);
3890 Host_Error("Mod_Q3BSP_LoadPVS: funny lump size in %s",loadmodel->name);
3892 loadmodel->brushq3.num_pvsclusters = LittleLong(in->numclusters);
3893 loadmodel->brushq3.num_pvschainlength = LittleLong(in->chainlength);
3894 if (loadmodel->brushq3.num_pvschainlength < ((loadmodel->brushq3.num_pvsclusters + 7) / 8))
3895 Host_Error("Mod_Q3BSP_LoadPVS: (chainlength = %i) < ((numclusters = %i) + 7) / 8\n", loadmodel->brushq3.num_pvschainlength, loadmodel->brushq3.num_pvsclusters);
3896 totalchains = loadmodel->brushq3.num_pvschainlength * loadmodel->brushq3.num_pvsclusters;
3897 if (l->filelen < totalchains + (int)sizeof(*in))
3898 Host_Error("Mod_Q3BSP_LoadPVS: lump too small ((numclusters = %i) * (chainlength = %i) + sizeof(q3dpvs_t) == %i bytes, lump is %i bytes)\n", loadmodel->brushq3.num_pvsclusters, loadmodel->brushq3.num_pvschainlength, totalchains + sizeof(*in), l->filelen);
3900 loadmodel->brushq3.data_pvschains = Mem_Alloc(loadmodel->mempool, totalchains);
3901 memcpy(loadmodel->brushq3.data_pvschains, (qbyte *)(in + 1), totalchains);
3904 static void Mod_Q3BSP_FindNonSolidLocation(model_t *model, const vec3_t in, vec3_t out, vec_t radius)
3906 // FIXME: finish this code
3907 VectorCopy(in, out);
3910 static void Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace_t *trace, q3mnode_t *node, const colbrushf_t *thisbrush_start, const colbrushf_t *thisbrush_end)
3914 // recurse down node sides
3917 colpointf_t *ps, *pe;
3918 // FIXME? if TraceBrushPolygonTransform were to be made usable, the
3919 // node planes would need to be transformed too
3920 dist = node->plane->dist - (1.0f / 8.0f);
3921 for (i = 0, ps = thisbrush_start->points, pe = thisbrush_end->points;i < thisbrush_start->numpoints;i++, ps++, pe++)
3923 if (DotProduct(ps->v, node->plane->normal) >= dist || DotProduct(pe->v, node->plane->normal) >= dist)
3925 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end);
3929 dist = node->plane->dist + (1.0f / 8.0f);
3930 for (i = 0, ps = thisbrush_start->points, pe = thisbrush_end->points;i < thisbrush_start->numpoints;i++, ps++, pe++)
3932 if (DotProduct(ps->v, node->plane->normal) <= dist || DotProduct(pe->v, node->plane->normal) <= dist)
3934 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[1], thisbrush_start, thisbrush_end);
3939 sides = BoxOnPlaneSide(boxstartmins, boxstartmaxs, node->plane) | BoxOnPlaneSide(boxendmins, boxendmaxs, node->plane);
3941 Mod_Q3BSP_TraceBox_RecursiveBSPNode(trace, node->children[0], boxstartmins, boxstartmaxs, boxendmins, boxendmaxs);
3943 Mod_Q3BSP_TraceBox_RecursiveBSPNode(trace, node->children[1], boxstartmins, boxstartmaxs, boxendmins, boxendmaxs);
3950 leaf = (q3mleaf_t *)node;
3951 for (i = 0;i < leaf->numleafbrushes;i++)
3952 if (leaf->firstleafbrush[i]->colbrushf)
3953 Collision_TraceBrushBrushFloat(trace, thisbrush_start, thisbrush_end, leaf->firstleafbrush[i]->colbrushf, leaf->firstleafbrush[i]->colbrushf);
3957 static void Mod_Q3BSP_LightPoint(model_t *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal)
3959 // FIXME: write this
3960 ambientcolor[0] += 255;
3961 ambientcolor[1] += 255;
3962 ambientcolor[2] += 255;
3965 static void Mod_Q3BSP_TraceBox(model_t *model, trace_t *trace, const vec3_t boxstartmins, const vec3_t boxstartmaxs, const vec3_t boxendmins, const vec3_t boxendmaxs, int hitsupercontentsmask)
3968 colbrushf_t *thisbrush_start, *thisbrush_end;
3969 matrix4x4_t startmatrix, endmatrix;
3970 // FIXME: finish this code
3971 Matrix4x4_CreateIdentity(&startmatrix);
3972 Matrix4x4_CreateIdentity(&endmatrix);
3973 thisbrush_start = Collision_BrushForBox(&startmatrix, boxstartmins, boxstartmaxs);
3974 thisbrush_end = Collision_BrushForBox(&endmatrix, boxendmins, boxendmaxs);
3975 memset(trace, 0, sizeof(*trace));
3976 trace->fraction = 1;
3977 trace->hitsupercontentsmask = hitsupercontentsmask;
3978 if (model->brushq3.num_nodes)
3979 Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, model->brushq3.data_nodes, thisbrush_start, thisbrush_end);
3981 for (i = 0;i < model->brushq3.num_brushes;i++)
3982 if (model->brushq3.data_brushes[i].colbrushf)
3983 Collision_TraceBrushBrushFloat(trace, thisbrush_start, thisbrush_end, model->brushq3.data_brushes[i].colbrushf, model->brushq3.data_brushes[i].colbrushf);
3987 static int Mod_Q3BSP_BoxTouchingPVS_RecursiveBSPNode(const model_t *model, const q3mnode_t *node, const qbyte *pvs, const vec3_t mins, const vec3_t maxs)
3994 clusterindex = ((q3mleaf_t *)node)->clusterindex;
3995 return pvs[clusterindex >> 3] & (1 << (clusterindex & 7));
3998 // node - recurse down the BSP tree
3999 switch (BoxOnPlaneSide(mins, maxs, node->plane))
4002 node = node->children[0];
4005 node = node->children[1];
4007 default: // crossing
4008 if (Mod_Q3BSP_BoxTouchingPVS_RecursiveBSPNode(model, node->children[0], pvs, mins, maxs))
4010 node = node->children[1];
4017 static int Mod_Q3BSP_BoxTouchingPVS(model_t *model, const qbyte *pvs, const vec3_t mins, const vec3_t maxs)
4019 return Mod_Q3BSP_BoxTouchingPVS_RecursiveBSPNode(model, model->brushq3.data_nodes, pvs, mins, maxs);
4022 static int Mod_Q3BSP_FatPVS(model_t *model, const vec3_t org, vec_t radius, qbyte *pvsbuffer, int pvsbufferlength)
4024 // FIXME: write this
4025 memset(pvsbuffer, 0xFF, pvsbufferlength);
4026 return pvsbufferlength;
4029 static int Mod_Q3BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents)
4031 int supercontents = 0;
4032 if (nativecontents & Q2CONTENTS_SOLID)
4033 supercontents |= SUPERCONTENTS_SOLID;
4034 if (nativecontents & Q2CONTENTS_WATER)
4035 supercontents |= SUPERCONTENTS_WATER;
4036 if (nativecontents & Q2CONTENTS_SLIME)
4037 supercontents |= SUPERCONTENTS_SLIME;
4038 if (nativecontents & Q2CONTENTS_LAVA)
4039 supercontents |= SUPERCONTENTS_LAVA;
4040 return supercontents;
4043 static int Mod_Q3BSP_NativeContentsFromSuperContents(model_t *model, int supercontents)
4045 int nativecontents = 0;
4046 if (supercontents & SUPERCONTENTS_SOLID)
4047 nativecontents |= Q2CONTENTS_SOLID;
4048 if (supercontents & SUPERCONTENTS_WATER)
4049 nativecontents |= Q2CONTENTS_WATER;
4050 if (supercontents & SUPERCONTENTS_SLIME)
4051 nativecontents |= Q2CONTENTS_SLIME;
4052 if (supercontents & SUPERCONTENTS_LAVA)
4053 nativecontents |= Q2CONTENTS_LAVA;
4054 return nativecontents;
4057 //extern void R_Q3BSP_DrawSky(struct entity_render_s *ent);
4058 extern void R_Q3BSP_Draw(struct entity_render_s *ent);
4059 //extern void R_Q3BSP_DrawFakeShadow(struct entity_render_s *ent);
4060 //extern void R_Q3BSP_DrawShadowVolume(struct entity_render_s *ent, vec3_t relativelightorigin, float lightradius);
4061 //extern void R_Q3BSP_DrawLight(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, const matrix4x4_t *matrix_modeltofilter, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz);
4062 void Mod_Q3BSP_Load(model_t *mod, void *buffer)
4065 q3dheader_t *header;
4066 float corner[3], yawradius, modelradius;
4068 mod->type = mod_brushq3;
4070 header = (q3dheader_t *)buffer;
4072 i = LittleLong(header->version);
4073 if (i != Q3BSPVERSION)
4074 Host_Error("Mod_Q3BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q3BSPVERSION);
4075 if (loadmodel->isworldmodel)
4077 Cvar_SetValue("halflifebsp", false);
4078 // until we get a texture for it...
4082 mod->brush.SuperContentsFromNativeContents = Mod_Q3BSP_SuperContentsFromNativeContents;
4083 mod->brush.NativeContentsFromSuperContents = Mod_Q3BSP_NativeContentsFromSuperContents;
4084 mod->brush.FatPVS = Mod_Q3BSP_FatPVS;
4085 mod->brush.BoxTouchingPVS = Mod_Q3BSP_BoxTouchingPVS;
4086 mod->brush.LightPoint = Mod_Q3BSP_LightPoint;
4087 mod->brush.FindNonSolidLocation = Mod_Q3BSP_FindNonSolidLocation;
4088 mod->brush.TraceBox = Mod_Q3BSP_TraceBox;
4089 //mod->DrawSky = R_Q3BSP_DrawSky;
4090 mod->Draw = R_Q3BSP_Draw;
4091 //mod->DrawFakeShadow = R_Q3BSP_DrawFakeShadow;
4092 //mod->DrawShadowVolume = R_Q3BSP_DrawShadowVolume;
4093 //mod->DrawLight = R_Q3BSP_DrawLight;
4095 mod_base = (qbyte *)header;
4097 // swap all the lumps
4098 for (i = 0;i < (int) sizeof(*header) / 4;i++)
4099 ((int *)header)[i] = LittleLong(((int *)header)[i]);
4101 Mod_Q3BSP_LoadEntities(&header->lumps[Q3LUMP_ENTITIES]);
4102 Mod_Q3BSP_LoadTextures(&header->lumps[Q3LUMP_TEXTURES]);
4103 Mod_Q3BSP_LoadPlanes(&header->lumps[Q3LUMP_PLANES]);
4104 Mod_Q3BSP_LoadBrushSides(&header->lumps[Q3LUMP_BRUSHSIDES]);
4105 Mod_Q3BSP_LoadBrushes(&header->lumps[Q3LUMP_BRUSHES]);
4106 Mod_Q3BSP_LoadEffects(&header->lumps[Q3LUMP_EFFECTS]);
4107 Mod_Q3BSP_LoadVertices(&header->lumps[Q3LUMP_VERTICES]);
4108 Mod_Q3BSP_LoadTriangles(&header->lumps[Q3LUMP_TRIANGLES]);
4109 Mod_Q3BSP_LoadLightmaps(&header->lumps[Q3LUMP_LIGHTMAPS]);
4110 Mod_Q3BSP_LoadFaces(&header->lumps[Q3LUMP_FACES]);
4111 Mod_Q3BSP_LoadModels(&header->lumps[Q3LUMP_MODELS]);
4112 Mod_Q3BSP_LoadLeafBrushes(&header->lumps[Q3LUMP_LEAFBRUSHES]);
4113 Mod_Q3BSP_LoadLeafFaces(&header->lumps[Q3LUMP_LEAFFACES]);
4114 Mod_Q3BSP_LoadLeafs(&header->lumps[Q3LUMP_LEAFS]);
4115 Mod_Q3BSP_LoadNodes(&header->lumps[Q3LUMP_NODES]);
4116 Mod_Q3BSP_LoadLightGrid(&header->lumps[Q3LUMP_LIGHTGRID]);
4117 Mod_Q3BSP_LoadPVS(&header->lumps[Q3LUMP_PVS]);
4118 loadmodel->brush.numsubmodels = loadmodel->brushq3.num_models;
4120 for (i = 0;i < loadmodel->brushq3.num_models;i++)
4127 // LordHavoc: only register submodels if it is the world
4128 // (prevents bsp models from replacing world submodels)
4129 if (!loadmodel->isworldmodel)
4131 // duplicate the basic information
4132 sprintf(name, "*%i", i);
4133 mod = Mod_FindName(name);
4135 strcpy(mod->name, name);
4136 // textures and memory belong to the main model
4137 mod->texturepool = NULL;
4138 mod->mempool = NULL;
4140 mod->brushq3.data_thismodel = loadmodel->brushq3.data_models + i;
4142 VectorCopy(mod->brushq3.data_thismodel->mins, mod->normalmins);
4143 VectorCopy(mod->brushq3.data_thismodel->maxs, mod->normalmaxs);
4144 corner[0] = max(fabs(mod->normalmins[0]), fabs(mod->normalmaxs[0]));
4145 corner[1] = max(fabs(mod->normalmins[1]), fabs(mod->normalmaxs[1]));
4146 corner[2] = max(fabs(mod->normalmins[2]), fabs(mod->normalmaxs[2]));
4147 modelradius = sqrt(corner[0]*corner[0]+corner[1]*corner[1]+corner[2]*corner[2]);
4148 yawradius = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
4149 mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius;
4150 mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
4151 mod->yawmaxs[0] = mod->yawmaxs[1] = yawradius;
4152 mod->yawmins[0] = mod->yawmins[1] = -yawradius;
4153 mod->yawmins[2] = mod->normalmins[2];
4154 mod->yawmaxs[2] = mod->normalmaxs[2];
4155 mod->radius = modelradius;
4156 mod->radius2 = modelradius * modelradius;
4160 void Mod_IBSP_Load(model_t *mod, void *buffer)
4162 int i = LittleLong(((int *)buffer)[1]);
4163 if (i == Q3BSPVERSION)
4164 Mod_Q3BSP_Load(mod,buffer);
4165 else if (i == Q2BSPVERSION)
4166 Mod_Q2BSP_Load(mod,buffer);
4168 Host_Error("Mod_IBSP_Load: unknown/unsupported version %i\n", i);
4171 void Mod_MAP_Load(model_t *mod, void *buffer)
4173 Host_Error("Mod_MAP_Load: not yet implemented\n");