From 952c5c128f9efaea89d41d882c4ea3ade7df4591 Mon Sep 17 00:00:00 2001 From: zakk Date: Fri, 26 Aug 2005 04:48:05 +0000 Subject: Itsa me, quake3io! git-svn-id: svn://svn.icculus.org/quake3/trunk@2 edf5b092-35ff-0310-97b2-ce42778d08ea --- code/bspc/map_q3.c | 681 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 681 insertions(+) create mode 100755 code/bspc/map_q3.c (limited to 'code/bspc/map_q3.c') diff --git a/code/bspc/map_q3.c b/code/bspc/map_q3.c new file mode 100755 index 0000000..750b304 --- /dev/null +++ b/code/bspc/map_q3.c @@ -0,0 +1,681 @@ +/* +=========================================================================== +Copyright (C) 1999-2005 Id Software, Inc. + +This file is part of Quake III Arena source code. + +Quake III Arena source code is free software; you can redistribute it +and/or modify it under the terms of the GNU General Public License as +published by the Free Software Foundation; either version 2 of the License, +or (at your option) any later version. + +Quake III Arena source code is distributed in the hope that it will be +useful, but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with Foobar; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +=========================================================================== +*/ + +#include "qbsp.h" +#include "l_mem.h" +#include "../botlib/aasfile.h" //aas_bbox_t +#include "aas_store.h" //AAS_MAX_BBOXES +#include "aas_cfg.h" +#include "aas_map.h" //AAS_CreateMapBrushes +#include "l_bsp_q3.h" +#include "../qcommon/cm_patch.h" +#include "../game/surfaceflags.h" + +#define NODESTACKSIZE 1024 + +//=========================================================================== +// +// Parameter: - +// Returns: - +// Changes Globals: - +//=========================================================================== +void PrintContents(int contents); + +int Q3_BrushContents(mapbrush_t *b) +{ + int contents, i, mixed, hint; + side_t *s; + + s = &b->original_sides[0]; + contents = s->contents; + // + mixed = false; + hint = false; + for (i = 1; i < b->numsides; i++) + { + s = &b->original_sides[i]; + if (s->contents != contents) mixed = true; + if (s->surf & (SURF_HINT|SURF_SKIP)) hint = true; + contents |= s->contents; + } //end for + // + if (hint) + { + if (contents) + { + Log_Write("WARNING: hint brush with contents: "); + PrintContents(contents); + Log_Write("\r\n"); + // + Log_Write("brush contents is: "); + PrintContents(b->contents); + Log_Write("\r\n"); + } //end if + return 0; + } //end if + //Log_Write("brush %d contents ", nummapbrushes); + //PrintContents(contents); + //Log_Write("\r\n"); + //remove ladder and fog contents + contents &= ~(CONTENTS_LADDER|CONTENTS_FOG); + // + if (mixed) + { + Log_Write("Entity %i, Brush %i: mixed face contents " + , b->entitynum, b->brushnum); + PrintContents(contents); + Log_Write("\r\n"); + // + Log_Write("brush contents is: "); + PrintContents(b->contents); + Log_Write("\r\n"); + // + if (contents & CONTENTS_DONOTENTER) return CONTENTS_DONOTENTER;//Log_Print("mixed contents with donotenter\n"); + /* + Log_Print("contents:"); PrintContents(contents); + Log_Print("\ncontents:"); PrintContents(s->contents); + Log_Print("\n"); + Log_Print("texture name = %s\n", texinfo[s->texinfo].texture); + */ + //if liquid brush + if (contents & (CONTENTS_LAVA | CONTENTS_SLIME | CONTENTS_WATER)) + { + return (contents & (CONTENTS_LAVA | CONTENTS_SLIME | CONTENTS_WATER)); + } //end if + if (contents & CONTENTS_PLAYERCLIP) return (contents & CONTENTS_PLAYERCLIP); + return (contents & CONTENTS_SOLID); + } //end if + /* + if (contents & CONTENTS_AREAPORTAL) + { + static int num; + Log_Write("Entity %i, Brush %i: area portal %d\r\n", b->entitynum, b->brushnum, num++); + } //end if*/ + if (contents == (contents & CONTENTS_STRUCTURAL)) + { + //Log_Print("brush %i is only structural\n", b->brushnum); + contents = 0; + } //end if + if (contents & CONTENTS_DONOTENTER) + { + Log_Print("brush %i is a donotenter brush, c = %X\n", b->brushnum, contents); + } //end if + return contents; +} //end of the function Q3_BrushContents +#define BBOX_NORMAL_EPSILON 0.0001 +//=========================================================================== +// +// Parameter: - +// Returns: - +// Changes Globals: - +//=========================================================================== +void Q3_DPlanes2MapPlanes(void) +{ + int i; + + for (i = 0; i < q3_numplanes; i++) + { + dplanes2mapplanes[i] = FindFloatPlane(q3_dplanes[i].normal, q3_dplanes[i].dist); + } //end for +} //end of the function Q3_DPlanes2MapPlanes +//=========================================================================== +// +// Parameter: - +// Returns: - +// Changes Globals: - +//=========================================================================== +void Q3_BSPBrushToMapBrush(q3_dbrush_t *bspbrush, entity_t *mapent) +{ + mapbrush_t *b; + int i, k, n; + side_t *side, *s2; + int planenum; + q3_dbrushside_t *bspbrushside; + q3_dplane_t *bspplane; + + if (nummapbrushes >= MAX_MAPFILE_BRUSHES) + Error ("nummapbrushes >= MAX_MAPFILE_BRUSHES"); + + b = &mapbrushes[nummapbrushes]; + b->original_sides = &brushsides[nummapbrushsides]; + b->entitynum = mapent-entities; + b->brushnum = nummapbrushes - mapent->firstbrush; + b->leafnum = dbrushleafnums[bspbrush - q3_dbrushes]; + + for (n = 0; n < bspbrush->numSides; n++) + { + //pointer to the bsp brush side + bspbrushside = &q3_dbrushsides[bspbrush->firstSide + n]; + + if (nummapbrushsides >= MAX_MAPFILE_BRUSHSIDES) + { + Error ("MAX_MAPFILE_BRUSHSIDES"); + } //end if + //pointer to the map brush side + side = &brushsides[nummapbrushsides]; + //if the BSP brush side is textured + if (q3_dbrushsidetextured[bspbrush->firstSide + n]) side->flags |= SFL_TEXTURED|SFL_VISIBLE; + else side->flags &= ~SFL_TEXTURED; + //NOTE: all Quake3 sides are assumed textured + //side->flags |= SFL_TEXTURED|SFL_VISIBLE; + // + if (bspbrushside->shaderNum < 0) + { + side->contents = 0; + side->surf = 0; + } //end if + else + { + side->contents = q3_dshaders[bspbrushside->shaderNum].contentFlags; + side->surf = q3_dshaders[bspbrushside->shaderNum].surfaceFlags; + if (strstr(q3_dshaders[bspbrushside->shaderNum].shader, "common/hint")) + { + //Log_Print("found hint side\n"); + side->surf |= SURF_HINT; + } //end if + } //end else + // + if (side->surf & SURF_NODRAW) + { + side->flags |= SFL_TEXTURED|SFL_VISIBLE; + } //end if + /* + if (side->contents & (CONTENTS_TRANSLUCENT|CONTENTS_STRUCTURAL)) + { + side->flags |= SFL_TEXTURED|SFL_VISIBLE; + } //end if*/ + + // hints and skips are never detail, and have no content + if (side->surf & (SURF_HINT|SURF_SKIP) ) + { + side->contents = 0; + //Log_Print("found hint brush side\n"); + } + /* + if ((side->surf & SURF_NODRAW) && (side->surf & SURF_NOIMPACT)) + { + side->contents = 0; + side->surf &= ~CONTENTS_DETAIL; + Log_Print("probably found hint brush in a BSP without hints being used\n"); + } //end if*/ + + //ME: get a plane for this side + bspplane = &q3_dplanes[bspbrushside->planeNum]; + planenum = FindFloatPlane(bspplane->normal, bspplane->dist); + // + // see if the plane has been used already + // + //ME: this really shouldn't happen!!! + //ME: otherwise the bsp file is corrupted?? + //ME: still it seems to happen, maybe Johny Boy's + //ME: brush bevel adding is crappy ? + for (k = 0; k < b->numsides; k++) + { + s2 = b->original_sides + k; +// if (DotProduct (mapplanes[s2->planenum].normal, mapplanes[planenum].normal) > 0.999 +// && fabs(mapplanes[s2->planenum].dist - mapplanes[planenum].dist) < 0.01 ) + + if (s2->planenum == planenum) + { + Log_Print("Entity %i, Brush %i: duplicate plane\n" + , b->entitynum, b->brushnum); + break; + } + if ( s2->planenum == (planenum^1) ) + { + Log_Print("Entity %i, Brush %i: mirrored plane\n" + , b->entitynum, b->brushnum); + break; + } + } + if (k != b->numsides) + continue; // duplicated + + // + // keep this side + // + //ME: reset pointer to side, why? hell I dunno (pointer is set above already) + side = b->original_sides + b->numsides; + //ME: store the plane number + side->planenum = planenum; + //ME: texinfo is already stored when bsp is loaded + //NOTE: check for TEXINFO_NODE, otherwise crash in Q3_BrushContents + //if (bspbrushside->texinfo < 0) side->texinfo = 0; + //else side->texinfo = bspbrushside->texinfo; + + // save the td off in case there is an origin brush and we + // have to recalculate the texinfo + // ME: don't need to recalculate because it's already done + // (for non-world entities) in the BSP file +// side_brushtextures[nummapbrushsides] = td; + + nummapbrushsides++; + b->numsides++; + } //end for + + // get the content for the entire brush + b->contents = q3_dshaders[bspbrush->shaderNum].contentFlags; + b->contents &= ~(CONTENTS_LADDER|CONTENTS_FOG|CONTENTS_STRUCTURAL); +// b->contents = Q3_BrushContents(b); + // + + if (BrushExists(b)) + { + c_squattbrushes++; + b->numsides = 0; + return; + } //end if + + //if we're creating AAS + if (create_aas) + { + //create the AAS brushes from this brush, don't add brush bevels + AAS_CreateMapBrushes(b, mapent, false); + return; + } //end if + + // allow detail brushes to be removed + if (nodetail && (b->contents & CONTENTS_DETAIL) ) + { + b->numsides = 0; + return; + } //end if + + // allow water brushes to be removed + if (nowater && (b->contents & (CONTENTS_LAVA | CONTENTS_SLIME | CONTENTS_WATER)) ) + { + b->numsides = 0; + return; + } //end if + + // create windings for sides and bounds for brush + MakeBrushWindings(b); + + //mark brushes without winding or with a tiny window as bevels + MarkBrushBevels(b); + + // brushes that will not be visible at all will never be + // used as bsp splitters + if (b->contents & (CONTENTS_PLAYERCLIP|CONTENTS_MONSTERCLIP) ) + { + c_clipbrushes++; + for (i = 0; i < b->numsides; i++) + b->original_sides[i].texinfo = TEXINFO_NODE; + } //end for + + // + // origin brushes are removed, but they set + // the rotation origin for the rest of the brushes + // in the entity. After the entire entity is parsed, + // the planenums and texinfos will be adjusted for + // the origin brush + // + //ME: not needed because the entities in the BSP file already + // have an origin set +// if (b->contents & CONTENTS_ORIGIN) +// { +// char string[32]; +// vec3_t origin; +// +// if (num_entities == 1) +// { +// Error ("Entity %i, Brush %i: origin brushes not allowed in world" +// , b->entitynum, b->brushnum); +// return; +// } +// +// VectorAdd (b->mins, b->maxs, origin); +// VectorScale (origin, 0.5, origin); +// +// sprintf (string, "%i %i %i", (int)origin[0], (int)origin[1], (int)origin[2]); +// SetKeyValue (&entities[b->entitynum], "origin", string); +// +// VectorCopy (origin, entities[b->entitynum].origin); +// +// // don't keep this brush +// b->numsides = 0; +// +// return; +// } + + //ME: the bsp brushes already have bevels, so we won't try to + // add them again (especially since Johny Boy's bevel adding might + // be crappy) +// AddBrushBevels(b); + + nummapbrushes++; + mapent->numbrushes++; +} //end of the function Q3_BSPBrushToMapBrush +//=========================================================================== +// +// Parameter: - +// Returns: - +// Changes Globals: - +//=========================================================================== +void Q3_ParseBSPBrushes(entity_t *mapent) +{ + int i; + + for (i = 0; i < q3_dmodels[mapent->modelnum].numBrushes; i++) + { + Q3_BSPBrushToMapBrush(&q3_dbrushes[q3_dmodels[mapent->modelnum].firstBrush + i], mapent); + } //end for +} //end of the function Q3_ParseBSPBrushes +//=========================================================================== +// +// Parameter: - +// Returns: - +// Changes Globals: - +//=========================================================================== +qboolean Q3_ParseBSPEntity(int entnum) +{ + entity_t *mapent; + char *model; + int startbrush, startsides; + + startbrush = nummapbrushes; + startsides = nummapbrushsides; + + mapent = &entities[entnum];//num_entities]; + mapent->firstbrush = nummapbrushes; + mapent->numbrushes = 0; + mapent->modelnum = -1; //-1 = no BSP model + + model = ValueForKey(mapent, "model"); + if (model && strlen(model)) + { + if (*model == '*') + { + //get the model number of this entity (skip the leading *) + mapent->modelnum = atoi(&model[1]); + } //end if + } //end if + + GetVectorForKey(mapent, "origin", mapent->origin); + + //if this is the world entity it has model number zero + //the world entity has no model key + if (!strcmp("worldspawn", ValueForKey(mapent, "classname"))) + { + mapent->modelnum = 0; + } //end if + //if the map entity has a BSP model (a modelnum of -1 is used for + //entities that aren't using a BSP model) + if (mapent->modelnum >= 0) + { + //parse the bsp brushes + Q3_ParseBSPBrushes(mapent); + } //end if + // + //the origin of the entity is already taken into account + // + //func_group entities can't be in the bsp file + // + //check out the func_areaportal entities + if (!strcmp ("func_areaportal", ValueForKey (mapent, "classname"))) + { + c_areaportals++; + mapent->areaportalnum = c_areaportals; + return true; + } //end if + return true; +} //end of the function Q3_ParseBSPEntity +//=========================================================================== +// +// Parameter: - +// Returns: - +// Changes Globals: - +//=========================================================================== +#define MAX_PATCH_VERTS 1024 + +void AAS_CreateCurveBrushes(void) +{ + int i, j, n, planenum, numcurvebrushes = 0; + q3_dsurface_t *surface; + q3_drawVert_t *dv_p; + vec3_t points[MAX_PATCH_VERTS]; + int width, height, c; + patchCollide_t *pc; + facet_t *facet; + mapbrush_t *brush; + side_t *side; + entity_t *mapent; + winding_t *winding; + + qprintf("nummapbrushsides = %d\n", nummapbrushsides); + mapent = &entities[0]; + for (i = 0; i < q3_numDrawSurfaces; i++) + { + surface = &q3_drawSurfaces[i]; + if ( ! surface->patchWidth ) continue; + // if the curve is not solid + if (!(q3_dshaders[surface->shaderNum].contentFlags & (CONTENTS_SOLID|CONTENTS_PLAYERCLIP))) + { + //Log_Print("skipped non-solid curve\n"); + continue; + } //end if + // if this curve should not be used for AAS + if ( q3_dshaders[surface->shaderNum].contentFlags & CONTENTS_NOBOTCLIP ) { + continue; + } + // + width = surface->patchWidth; + height = surface->patchHeight; + c = width * height; + if (c > MAX_PATCH_VERTS) + { + Error("ParseMesh: MAX_PATCH_VERTS"); + } //end if + + dv_p = q3_drawVerts + surface->firstVert; + for ( j = 0 ; j < c ; j++, dv_p++ ) + { + points[j][0] = dv_p->xyz[0]; + points[j][1] = dv_p->xyz[1]; + points[j][2] = dv_p->xyz[2]; + } //end for + // create the internal facet structure + pc = CM_GeneratePatchCollide(width, height, points); + // + for (j = 0; j < pc->numFacets; j++) + { + facet = &pc->facets[j]; + // + brush = &mapbrushes[nummapbrushes]; + brush->original_sides = &brushsides[nummapbrushsides]; + brush->entitynum = 0; + brush->brushnum = nummapbrushes - mapent->firstbrush; + // + brush->numsides = facet->numBorders + 2; + nummapbrushsides += brush->numsides; + brush->contents = CONTENTS_SOLID; + // + //qprintf("\r%6d curve brushes", nummapbrushsides);//++numcurvebrushes); + qprintf("\r%6d curve brushes", ++numcurvebrushes); + // + planenum = FindFloatPlane(pc->planes[facet->surfacePlane].plane, pc->planes[facet->surfacePlane].plane[3]); + // + side = &brush->original_sides[0]; + side->planenum = planenum; + side->contents = CONTENTS_SOLID; + side->flags |= SFL_TEXTURED|SFL_VISIBLE|SFL_CURVE; + side->surf = 0; + // + side = &brush->original_sides[1]; + if (create_aas) + { + //the plane is expanded later so it's not a problem that + //these first two opposite sides are coplanar + side->planenum = planenum ^ 1; + } //end if + else + { + side->planenum = FindFloatPlane(mapplanes[planenum^1].normal, mapplanes[planenum^1].dist + 1); + side->flags |= SFL_TEXTURED|SFL_VISIBLE; + } //end else + side->contents = CONTENTS_SOLID; + side->flags |= SFL_CURVE; + side->surf = 0; + // + winding = BaseWindingForPlane(mapplanes[side->planenum].normal, mapplanes[side->planenum].dist); + for (n = 0; n < facet->numBorders; n++) + { + //never use the surface plane as a border + if (facet->borderPlanes[n] == facet->surfacePlane) continue; + // + side = &brush->original_sides[2 + n]; + side->planenum = FindFloatPlane(pc->planes[facet->borderPlanes[n]].plane, pc->planes[facet->borderPlanes[n]].plane[3]); + if (facet->borderInward[n]) side->planenum ^= 1; + side->contents = CONTENTS_SOLID; + side->flags |= SFL_TEXTURED|SFL_CURVE; + side->surf = 0; + //chop the winding in place + if (winding) ChopWindingInPlace(&winding, mapplanes[side->planenum^1].normal, mapplanes[side->planenum^1].dist, 0.1); //CLIP_EPSILON); + } //end for + //VectorCopy(pc->bounds[0], brush->mins); + //VectorCopy(pc->bounds[1], brush->maxs); + if (!winding) + { + Log_Print("WARNING: AAS_CreateCurveBrushes: no winding\n"); + brush->numsides = 0; + continue; + } //end if + brush->original_sides[0].winding = winding; + WindingBounds(winding, brush->mins, brush->maxs); + for (n = 0; n < 3; n++) + { + //IDBUG: all the indexes into the mins and maxs were zero (not using i) + if (brush->mins[n] < -MAX_MAP_BOUNDS || brush->maxs[n] > MAX_MAP_BOUNDS) + { + Log_Print("entity %i, brush %i: bounds out of range\n", brush->entitynum, brush->brushnum); + Log_Print("brush->mins[%d] = %f, brush->maxs[%d] = %f\n", n, brush->mins[n], n, brush->maxs[n]); + brush->numsides = 0; //remove the brush + break; + } //end if + if (brush->mins[n] > MAX_MAP_BOUNDS || brush->maxs[n] < -MAX_MAP_BOUNDS) + { + Log_Print("entity %i, brush %i: no visible sides on brush\n", brush->entitynum, brush->brushnum); + Log_Print("brush->mins[%d] = %f, brush->maxs[%d] = %f\n", n, brush->mins[n], n, brush->maxs[n]); + brush->numsides = 0; //remove the brush + break; + } //end if + } //end for + if (create_aas) + { + //NOTE: brush bevels now already added + //AddBrushBevels(brush); + AAS_CreateMapBrushes(brush, mapent, false); + } //end if + else + { + // create windings for sides and bounds for brush + MakeBrushWindings(brush); + AddBrushBevels(brush); + nummapbrushes++; + mapent->numbrushes++; + } //end else + } //end for + } //end for + //qprintf("\r%6d curve brushes", nummapbrushsides);//++numcurvebrushes); + qprintf("\r%6d curve brushes\n", numcurvebrushes); +} //end of the function AAS_CreateCurveBrushes +//=========================================================================== +// +// Parameter: - +// Returns: - +// Changes Globals: - +//=========================================================================== +void AAS_ExpandMapBrush(mapbrush_t *brush, vec3_t mins, vec3_t maxs); + +void Q3_LoadMapFromBSP(struct quakefile_s *qf) +{ + int i; + vec3_t mins = {-1,-1,-1}, maxs = {1, 1, 1}; + + Log_Print("-- Q3_LoadMapFromBSP --\n"); + //loaded map type + loadedmaptype = MAPTYPE_QUAKE3; + + Log_Print("Loading map from %s...\n", qf->filename); + //load the bsp file + Q3_LoadBSPFile(qf); + + //create an index from bsp planes to map planes + //DPlanes2MapPlanes(); + //clear brush model numbers + for (i = 0; i < MAX_MAPFILE_BRUSHES; i++) + brushmodelnumbers[i] = -1; + + nummapbrushsides = 0; + num_entities = 0; + + Q3_ParseEntities(); + // + for (i = 0; i < num_entities; i++) + { + Q3_ParseBSPEntity(i); + } //end for + + AAS_CreateCurveBrushes(); + //get the map mins and maxs from the world model + ClearBounds(map_mins, map_maxs); + for (i = 0; i < entities[0].numbrushes; i++) + { + if (mapbrushes[i].numsides <= 0) + continue; + AddPointToBounds (mapbrushes[i].mins, map_mins, map_maxs); + AddPointToBounds (mapbrushes[i].maxs, map_mins, map_maxs); + } //end for + /*/ + for (i = 0; i < nummapbrushes; i++) + { + //if (!mapbrushes[i].original_sides) continue; + //AddBrushBevels(&mapbrushes[i]); + //AAS_ExpandMapBrush(&mapbrushes[i], mins, maxs); + } //end for*/ + /* + for (i = 0; i < nummapbrushsides; i++) + { + Log_Write("side %d flags = %d", i, brushsides[i].flags); + } //end for + for (i = 0; i < nummapbrushes; i++) + { + Log_Write("brush contents: "); + PrintContents(mapbrushes[i].contents); + Log_Print("\n"); + } //end for*/ +} //end of the function Q3_LoadMapFromBSP +//=========================================================================== +// +// Parameter: - +// Returns: - +// Changes Globals: - +//=========================================================================== +void Q3_ResetMapLoading(void) +{ + //reset for map loading from bsp + memset(nodestack, 0, NODESTACKSIZE * sizeof(int)); + nodestackptr = NULL; + nodestacksize = 0; + memset(brushmodelnumbers, 0, MAX_MAPFILE_BRUSHES * sizeof(int)); +} //end of the function Q3_ResetMapLoading + -- cgit v1.2.3