mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-26 22:31:05 +00:00
dbd3d6502a
I never liked it, but with C2x coming out, it's best to handle bools properly. I haven't gone through all the uses of int as bool (I'll leave that for fixing when I encounter them), but this gets QF working with both c2x (really, gnu2x because of raw strings).
490 lines
10 KiB
C
490 lines
10 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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See file, 'COPYING', for details.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <sys/types.h>
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#ifdef HAVE_SYS_WAIT_H
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# include <sys/wait.h>
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#if defined(_WIN32) && defined(HAVE_MALLOC_H)
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#include <malloc.h>
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#endif
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#include <stdlib.h>
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#include <errno.h>
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#include "QF/quakefs.h"
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#include "QF/sys.h"
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#include "tools/qfbsp/include/csg4.h"
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#include "tools/qfbsp/include/brush.h"
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#include "tools/qfbsp/include/bsp5.h"
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#include "tools/qfbsp/include/merge.h"
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#include "tools/qfbsp/include/options.h"
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#include "tools/qfbsp/include/outside.h"
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#include "tools/qfbsp/include/portals.h"
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#include "tools/qfbsp/include/readbsp.h"
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#include "tools/qfbsp/include/solidbsp.h"
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#include "tools/qfbsp/include/surfaces.h"
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#include "tools/qfbsp/include/writebsp.h"
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#include "tools/qfbsp/include/tjunc.h"
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/** \addtogroup qfbsp
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*/
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//@{
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options_t options;
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bsp_t *bsp;
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brushset_t *brushset;
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int valid;
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char *argv0; // changed after fork();
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bool worldmodel;
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int hullnum;
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node_t *
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AllocNode (void)
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{
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node_t *n;
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n = malloc (sizeof (node_t));
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memset (n, 0, sizeof (node_t));
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return n;
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}
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static void
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ProcessEntity (int entnum)
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{
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brushset_t *bs;
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char mod[80];
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entity_t *ent;
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surface_t *surfs;
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node_t *nodes;
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ent = &entities[entnum];
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if (!ent->brushes)
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return; // non-bmodel entity
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if (entnum > 0) {
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worldmodel = false;
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if (entnum == 1)
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qprintf ("--- Internal Entities ---\n");
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sprintf (mod, "*%zd", bsp->nummodels);
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if (options.verbosity)
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PrintEntity (ent);
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if (hullnum == 0)
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printf ("MODEL: %s\n", mod);
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SetKeyValue (ent, "model", mod);
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} else
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worldmodel = true;
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// take the brush_ts and clip off all overlapping and contained faces,
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// leaving a perfect skin of the model with no hidden faces
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bs = Brush_LoadEntity (ent, hullnum);
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if (!bs->brushes) {
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PrintEntity (ent);
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Sys_Error ("Entity with no valid brushes");
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}
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brushset = bs;
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surfs = CSGFaces (bs);
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if (hullnum != 0) {
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nodes = SolidBSP (surfs, true);
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if (entnum == 0 && !options.nofill) {
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// assume non-world bmodels are simple
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PortalizeWorld (nodes);
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if (FillOutside (nodes)) {
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surfs = GatherNodeFaces (nodes);
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nodes = SolidBSP (surfs, false); // make a really good tree
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}
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FreeAllPortals (nodes);
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}
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WriteNodePlanes (nodes);
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WriteClipNodes (nodes);
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BumpModel (hullnum);
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} else {
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// SolidBSP generates a node tree
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//
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// if not the world, make a good tree first
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// the world is just going to make a bad tree
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// because the outside filling will force a regeneration later
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nodes = SolidBSP (surfs, entnum == 0);
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// build all the portals in the bsp tree
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// some portals are solid polygons, and some are paths to other leafs
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if (entnum == 0 && !options.nofill) {
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// assume non-world bmodels are simple
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PortalizeWorld (nodes);
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if (FillOutside (nodes)) {
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FreeAllPortals (nodes);
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// get the remaining faces together into surfaces again
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surfs = GatherNodeFaces (nodes);
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// merge polygons
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MergeAll (surfs);
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// make a really good tree
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nodes = SolidBSP (surfs, false);
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// make the real portals for vis tracing
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PortalizeWorldDetail (nodes);
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// save portal file for vis tracing
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WritePortalfile (nodes);
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// fix tjunctions
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tjunc (nodes);
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}
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FreeAllPortals (nodes);
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}
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WriteNodePlanes (nodes);
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MakeFaceEdges (nodes);
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WriteDrawNodes (nodes);
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}
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}
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static void
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UpdateEntLump (void)
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{
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int m, entnum;
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char mod[80];
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QFile *f;
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m = 1;
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for (entnum = 1; entnum < num_entities; entnum++) {
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if (!entities[entnum].brushes)
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continue;
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sprintf (mod, "*%i", m);
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SetKeyValue (&entities[entnum], "model", mod);
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m++;
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}
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printf ("Updating entities lump...\n");
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f = Qopen (options.bspfile, "rb");
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if (!f)
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Sys_Error ("couldn't open %s. %s", options.bspfile, strerror(errno));
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bsp = LoadBSPFile (f, Qfilesize (f));
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Qclose (f);
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WriteEntitiesToString ();
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f = Qopen (options.bspfile, "wb");
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if (!f)
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Sys_Error ("couldn't open %s. %s", options.bspfile, strerror(errno));
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WriteBSPFile (bsp, f);
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BSP_Free (bsp);
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Qclose (f);
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}
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/*
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WriteClipHull
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Write the clipping hull out to a text file so the parent process can get it
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*/
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static void
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WriteClipHull (void)
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{
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FILE *f;
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dclipnode_t *d;
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dplane_t *p;
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options.hullfile[strlen (options.hullfile) - 1] = '0' + hullnum;
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qprintf ("---- WriteClipHull ----\n");
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qprintf ("Writing %s\n", options.hullfile);
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f = fopen (options.hullfile, "w");
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if (!f)
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Sys_Error ("Couldn't open %s", options.hullfile);
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fprintf (f, "%zd\n", bsp->nummodels);
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for (size_t i = 0; i < bsp->nummodels; i++)
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fprintf (f, "%i\n", bsp->models[i].headnode[hullnum]);
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fprintf (f, "\n%zd\n", bsp->numclipnodes);
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for (size_t i = 0; i < bsp->numclipnodes; i++) {
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d = &bsp->clipnodes[i];
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p = &bsp->planes[d->planenum];
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// the node number is written out only for human readability
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fprintf (f, "%5zd : %f %f %f %f : %5i %5i\n", i, p->normal[0],
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p->normal[1], p->normal[2], p->dist, d->children[0],
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d->children[1]);
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}
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fclose (f);
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}
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/*
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ReadClipHull
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Read the files written out by the child processes
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*/
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static void
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ReadClipHull (int hullnum)
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{
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FILE *f;
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dclipnode_t d;
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plane_t p;
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dplane_t dp;
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float f1, f2, f3, f4;
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int firstclipnode, junk, c1, c2;
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size_t i, j, n;
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int flip;
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options.hullfile[strlen (options.hullfile) - 1] = '0' + hullnum;
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f = fopen (options.hullfile, "r");
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if (!f)
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Sys_Error ("Couldn't open %s", options.hullfile);
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if (fscanf (f, "%zd\n", &n) != 1)
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Sys_Error ("Error parsing %s", options.hullfile);
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if (n != bsp->nummodels)
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Sys_Error ("ReadClipHull: hull had %zd models, base had %zd", n,
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bsp->nummodels);
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for (i = 0; i < n; i++) {
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if (fscanf (f, "%zd\n", &j) != 1)
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Sys_Error ("Error parsing %s", options.hullfile);
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bsp->models[i].headnode[hullnum] = bsp->numclipnodes + j;
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}
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if (fscanf (f, "\n%zd\n", &n) != 1)
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Sys_Error ("Error parsing %s", options.hullfile);
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firstclipnode = bsp->numclipnodes;
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for (i = 0; i < n; i++) {
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if (fscanf (f, "%d : %f %f %f %f : %d %d\n", &junk, &f1, &f2, &f3, &f4,
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&c1, &c2) != 7)
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Sys_Error ("Error parsing %s", options.hullfile);
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VectorSet (f1, f2, f3, p.normal);
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p.dist = f4;
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flip = NormalizePlane (&p);
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VectorCopy (p.normal, dp.normal);
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dp.dist = p.dist;
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dp.type = p.type;
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d.children[flip] = c1 >= 0 ? c1 + firstclipnode : c1;
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d.children[!flip] = c2 >= 0 ? c2 + firstclipnode : c2;
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d.planenum = FindFinalPlane (&dp);
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BSP_AddClipnode (bsp, &d);
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}
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}
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static void
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CreateSingleHull (void)
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{
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int entnum;
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// for each entity in the map file that has geometry
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for (entnum = 0; entnum < num_entities; entnum++) {
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ProcessEntity (entnum);
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if (options.verbosity < 2)
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options.verbosity = 0; // don't print rest of entities
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}
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if (hullnum)
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WriteClipHull ();
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}
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static void
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CreateHulls (void)
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{
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// commanded to create only a single hull
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if (hullnum) {
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CreateSingleHull ();
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exit (0);
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}
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// commanded to use the allready existing hulls 1 and 2
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if (options.usehulls) {
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CreateSingleHull ();
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return;
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}
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// commanded to ignore the hulls altogether
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if (options.noclip) {
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CreateSingleHull ();
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return;
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}
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// create all the hulls
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#ifdef __alpha
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printf ("forking hull processes...\n");
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// fork a process for each clipping hull
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fflush (stdout);
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if (!fork ()) {
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hullnum = 1;
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options.verbosity = 0;
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options.drawflag = false;
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sprintf (argv0, "HUL%i", hullnum);
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} else if (!fork ()) {
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hullnum = 2;
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options.verbosity = 0;
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options.drawflag = false;
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sprintf (argv0, "HUL%i", hullnum);
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}
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CreateSingleHull ();
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if (hullnum)
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exit (0);
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wait (NULL); // wait for clip hull process to finish
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wait (NULL); // wait for clip hull process to finish
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#else
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// create the hulls sequentially
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printf ("building hulls sequentially...\n");
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hullnum = 1;
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CreateSingleHull ();
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bsp->nummodels = 0;
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bsp->numplanes = 0;
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bsp->numclipnodes = 0;
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hullnum = 2;
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CreateSingleHull ();
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bsp->nummodels = 0;
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bsp->numplanes = 0;
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bsp->numclipnodes = 0;
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hullnum = 0;
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CreateSingleHull ();
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#endif
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}
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static void
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ProcessFile (void)
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{
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if (options.extract) {
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LoadBSP ();
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if (options.info)
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bspinfo ();
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if (options.portal)
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bsp2prt ();
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if (options.extract_textures)
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extract_textures ();
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if (options.extract_entities)
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extract_entities ();
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if (options.extract_hull)
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extract_hull ();
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BSP_Free (bsp);
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return;
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}
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bsp = BSP_New ();
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// load brushes and entities
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LoadMapFile (options.mapfile);
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if (options.onlyents) {
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UpdateEntLump ();
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BSP_Free (bsp);
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return;
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}
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remove (options.bspfile);
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if (!options.usehulls) {
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options.hullfile[strlen (options.hullfile) - 1] = '1';
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remove (options.hullfile);
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options.hullfile[strlen (options.hullfile) - 1] = '2';
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remove (options.hullfile);
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}
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remove (options.portfile);
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remove (options.pointfile);
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// init the tables to be shared by all models
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BeginBSPFile ();
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// the clipping hulls will be written out to text files by forked processes
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CreateHulls ();
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ReadClipHull (1);
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ReadClipHull (2);
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WriteEntitiesToString ();
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FinishBSPFile ();
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BSP_Free (bsp);
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}
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int
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main (int argc, char **argv)
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{
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double start, end;
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// let forked processes change name for ps status
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this_program = argv0 = argv[0];
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// check command line flags
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DecodeArgs (argc, argv);
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// XXX SetQdirFromPath (argv[i]);
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// do it!
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start = Sys_DoubleTime ();
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ProcessFile ();
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end = Sys_DoubleTime ();
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printf ("%5.1f seconds elapsed\n", end - start);
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return 0;
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}
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void
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qprintf (const char *fmt, ...)
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{
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va_list argptr;
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if (!options.verbosity)
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return;
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va_start (argptr, fmt);
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vprintf (fmt, argptr);
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va_end (argptr);
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}
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//@}
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