mirror of
https://git.code.sf.net/p/quake/quakeforge
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145 lines
3.4 KiB
C
145 lines
3.4 KiB
C
/*
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vis.h
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PVS/PHS generation tool
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Copyright (C) 1996-1997 Id Software, Inc.
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Copyright (C) 2002 Colin Thompson
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (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.
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See the 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:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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#ifndef __vis_h
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#define __vis_h
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_PTHREAD_H
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#include <pthread.h>
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extern pthread_mutex_t *my_mutex;
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#define LOCK do {if (options.threads > 1) pthread_mutex_lock (my_mutex); } while (0)
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#define UNLOCK do {if (options.threads > 1) pthread_mutex_unlock (my_mutex); } while (0)
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#else
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#define LOCK
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#define UNLOCK
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#endif
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#define MAX_PORTALS 32768
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#define PORTALFILE "PRT1-AM"
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#define ON_EPSILON 0.1
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#define MAX_POINTS_ON_WINDING 64
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#define MAX_PORTALS_ON_CLUSTER 128
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typedef struct {
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vec3_t normal;
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float dist;
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} plane_t;
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typedef struct {
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qboolean original; // don't free, it's part of the portal
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int numpoints;
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vec3_t points[8]; // variable sized
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} winding_t;
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typedef enum {
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stat_none,
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stat_selected,
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stat_working,
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stat_done
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} vstatus_t;
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typedef struct {
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plane_t plane; // normal pointing into neighbor
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int cluster; // neighbor
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winding_t *winding;
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vstatus_t status;
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byte *visbits;
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byte *mightsee;
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int nummightsee;
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int numcansee;
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} portal_t;
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typedef struct seperating_plane_s {
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struct seperating_plane_s *next;
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plane_t plane; // from portal is on positive side
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} sep_t;
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typedef struct passage_s {
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struct passage_s *next;
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int from, to; // cluster numbers
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sep_t *planes;
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} passage_t;
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typedef struct cluster_s {
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int numportals;
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passage_t *passages;
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portal_t *portals[MAX_PORTALS_ON_CLUSTER];
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int visofs;
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} cluster_t;
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typedef struct pstack_s {
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struct pstack_s *next;
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cluster_t *cluster;
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portal_t *portal; // portal exiting
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winding_t *source, *pass;
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plane_t portalplane;
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byte *mightsee; // bit string
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} pstack_t;
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typedef struct {
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byte *clustervis; // bit string
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portal_t *base;
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pstack_t pstack_head;
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} threaddata_t;
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extern int numportals;
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extern int portalclusters;
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extern int numrealleafs;
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extern int c_portaltest;
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extern int c_portalpass;
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extern int c_portalcheck;
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extern int bitbytes;
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extern int bitbytes_l;
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extern int bitlongs;
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extern struct bsp_s *bsp;
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extern portal_t *portals;
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extern cluster_t *clusters;
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extern int *leafcluster;
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extern byte *uncompressed;
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extern int c_chains;
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extern int c_mighttest;
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extern int c_vistest;
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void FreeWinding (winding_t *winding);
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winding_t *NewWinding (int points);
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winding_t *ClipWinding (winding_t *in, plane_t *split, qboolean keepon);
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winding_t *CopyWinding (winding_t *winding);
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void ClusterFlow (int clusternum);
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void BasePortalVis (void);
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void PortalFlow (portal_t *portal);
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void CalcAmbientSounds (void);
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#endif// __vis_h
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