quakeforge/tools/qflight/include/entities.h

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/*
entities.h
(description)
Copyright (C) 1996-1997 Id Software, Inc.
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Copyright (C) 2002 Colin Thompson
This program 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.
This program 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 this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifndef __entities_h
#define __entities_h
#include "light.h"
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/** \defgroup qflight_entities Light entity data.
\ingroup qflight
*/
//@{
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#define DEFAULTLIGHTLEVEL 300
#define DEFAULTFALLOFF 1.0f
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// Open Quartz - attenuation types
#define LIGHT_LINEAR 0 // regular attenuation (light - distance)
#define LIGHT_RADIUS 1 // light * (distance - radius) / radius
#define LIGHT_INVERSE 2 // light / distance
#define LIGHT_REALISTIC 3 // light / (distance * distance)
#define LIGHT_NO_ATTEN 4 // no attenuation
#define LIGHT_LH 5 // LordHavocs version of realistic
// Open Quartz - noise type flags
#define NOISE_RANDOM 0 // completely random noise (default)
#define NOISE_SMOOTH 1 // low res noise with interpolation
#define NOISE_PERLIN 2 // combines several noise frequencies
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typedef struct entity_s {
const char *classname;
vec3_t origin;
vec_t angle;
int light;
int sun_light[2];
vec3_t sun_color[2];
int num_suns;
vec3_t sun_dir[NUMSUNS];
float shadow_sense;
// LordHavoc: added falloff (smaller fractions = bigger light area),
// color, and lightradius (also subbrightness to implement lightradius)
vec_t falloff;
vec_t lightradius;
vec_t subbrightness;
vec_t lightoffset;
vec3_t color, color2;
vec3_t spotdir;
vec_t spotcone;
unsigned short visbyte, visbit; // which byte and bit to look at in
// the visdata for the leaf this light
// is in
int style;
// Open Quartz - special light feilds
int noisetype; // random noise type
float noise; // noise intensity
float resolution; // noise blockiness
float persistence; // perlin noise decay per octave
int attenuation; // light attenuation type
float radius; // the light's maximum range, minimum
// of cutoff range and _radius key, 0
// for no maximum
const char *target;
const char *targetname;
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struct entity_s *targetent;
struct plitem_s *dict;
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} entity_t;
extern entity_t *entities;
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extern int num_entities;
extern entity_t *world_entity;
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const char *ValueForKey (entity_t *ent, const char *key);
void SetKeyValue (entity_t *ent, const char *key, const char *value);
entity_t *FindEntityWithKeyPair(const char *key, const char *value);
void GetVectorForKey (entity_t *ent, const char *key, vec3_t vec);
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void LoadEntities (void);
void WriteEntitiesToString (void);
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//@}
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#endif// __entities_h