136 lines
3.1 KiB
C
136 lines
3.1 KiB
C
/*
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light.h
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Light 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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*/
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#ifndef __light_h
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#define __light_h
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/** \defgroup qflight QuakeForge light compiler.
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*/
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#include "QF/bspfile.h"
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/** \defgroup qflight_general General functions
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\ingroup qflight
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*/
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///@{
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#define ON_EPSILON 0.1
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#define MAXLIGHTS 1024
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#define LIGHTDISTBIAS 65536.0
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#define BOGUS_RANGE 1000000000
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#define NUMHSUNS 32
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#define NUMVSUNS 4
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#define NUMSUNS (1 + NUMHSUNS * NUMVSUNS)
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#define SHADOWSENSE 0.4
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#define SINGLEMAP (256*256)
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typedef struct {
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vec3_t v;
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int samplepos; // offset into lightmap contributed to
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} lightpoint_t;
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typedef struct {
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vec3_t c;
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} lightsample_t;
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typedef struct {
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vec_t facedist;
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vec3_t facenormal;
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vec3_t testlineimpact;
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int numpoints;
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int numsamples;
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// *16 for -extra4x4
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lightpoint_t point[SINGLEMAP*16];
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lightsample_t sample[MAXLIGHTMAPS][SINGLEMAP];
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vec3_t texorg;
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vec3_t worldtotex[2]; // s = (world - texorg) . worldtotex[0]
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vec3_t textoworld[2]; // world = texorg + s * textoworld[0]
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vec_t exactmins[2], exactmaxs[2];
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int texmins[2], texsize[2];
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int lightstyles[MAXLIGHTMAPS];
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dface_t *face;
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} lightinfo_t;
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extern float scaledist;
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extern float scalecos;
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extern float rangescale;
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extern int c_culldistplane, c_proper;
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extern byte *filebase;
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extern vec3_t bsp_origin;
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extern vec3_t bsp_xvector;
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extern vec3_t bsp_yvector;
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extern qboolean extrasamples;
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extern float minlights[MAX_MAP_FACES];
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void LoadNodes (const char *file);
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qboolean TestLine (lightinfo_t *l, const vec3_t start, const vec3_t stop);
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qboolean TestSky (lightinfo_t *l, const vec3_t start, const vec3_t stop);
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void LightFace (lightinfo_t *l, int surfnum);
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void LightLeaf (dleaf_t *leaf);
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void MakeTnodes (dmodel_t *bm);
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int GetFileSpace (int size);
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void TransformSample (vec3_t in, vec3_t out);
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void RotateSample (vec3_t in, vec3_t out);
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void VisEntity (int ent_index);
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void VisStats (void);
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extern struct bsp_s *bsp;
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extern struct dstring_s *lightdata;
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extern struct dstring_s *rgblightdata;
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typedef struct lightchain_s {
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struct lightchain_s *next;
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struct entity_s *light;
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} lightchain_t;
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extern lightchain_t **surfacelightchain;
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extern vec3_t *surfaceorgs;
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extern struct entity_s **novislights;
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extern int num_novislights;
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const char *get_tex_name (int texindex) __attribute__((pure));
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///@}
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#endif// __light_h
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