ericw-tools/include/light/entities.hh

201 lines
7.0 KiB
C++

/* Copyright (C) 1996-1997 Id Software, Inc.
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 the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
See file, 'COPYING', for details.
*/
#ifndef __LIGHT_ENTITIES_H__
#define __LIGHT_ENTITIES_H__
#include <map>
#include <string>
#include <vector>
#include <common/mathlib.hh>
#include <common/bspfile.hh>
#include <light/light.hh>
#define DEFAULTLIGHTLEVEL 300.0f
#define LIGHT_TARGETS_START 32
#define MAX_LIGHT_TARGETS 32
using entdict_t = std::map<std::string, std::string>;
/*
* Light attenuation formalae
* (relative to distance 'x' from the light source)
*/
#define LF_SCALE 128
typedef enum {
LF_LINEAR = 0, /* Linear (x) (DEFAULT) */
LF_INVERSE = 1, /* Inverse (1/x), scaled by 1/128 */
LF_INVERSE2 = 2, /* Inverse square (1/(x^2)), scaled by 1/(128^2) */
LF_INFINITE = 3, /* No attenuation, same brightness at any distance */
LF_LOCALMIN = 4, /* No attenuation, non-additive minlight effect within
line of sight of the light source. */
LF_INVERSE2A = 5, /* Inverse square, with distance adjusted to avoid
exponentially bright values near the source.
(1/(x+128)^2), scaled by 1/(128^2) */
LF_COUNT
} light_formula_t;
class light_t {
public:
qboolean spotlight;
vec3_t spotvec; // computed
float spotfalloff;
float spotfalloff2;
rgba_miptex_t *projectedmip; /*projected texture*/ //mxd. miptex_t -> rgba_miptex_t
float projectionmatrix[16]; /*matrix used to project the specified texture. already contains origin.*/
const entdict_t *epairs;
const entdict_t *targetent;
qboolean generated; // if true, don't write to the bsp
const char *classname() const;
vec3_t mins, maxs;
public:
lockable_vec_t light, atten, formula, spotangle, spotangle2, style, anglescale;
lockable_vec_t dirtscale, dirtgain, dirt, deviance, samples, projfov, bouncescale;
lockable_vec_t dirt_off_radius, dirt_on_radius;
lockable_vec_t sun; //mxd
lockable_vec_t dome;
lockable_vec_t falloff; //mxd
lockable_bool_t bleed;
lockable_vec3_t origin, color, mangle, projangle;
lockable_string_t project_texture;
lockable_string_t suntexture;
light_formula_t getFormula() const { return static_cast<light_formula_t>(formula.intValue()); }
public:
using strings = std::vector<std::string>;
light_t(void) :
spotlight { false },
spotfalloff { 0 },
spotfalloff2 { 0 },
projectedmip { nullptr },
epairs {nullptr},
targetent {nullptr},
generated {false},
// settings
light { "light", DEFAULTLIGHTLEVEL },
atten { "wait", 1.0f, 0.0f, std::numeric_limits<float>::infinity() },
formula { "delay", 0.0f },
spotangle { "angle", 40.0f },
spotangle2 { "softangle", 0.0f },
style { "style", 0.0f },
anglescale {strings{"anglesense", "anglescale"}, -1.0f }, // fallback to worldspawn
dirtscale { "dirtscale", 0.0f },
dirtgain { "dirtgain", 0 },
dirt { "dirt", 0 },
deviance { "deviance", 0 },
samples { "samples", 16 },
projfov { "project_fov", 90 },
bouncescale { "bouncescale", 1.0f },
dirt_off_radius { "dirt_off_radius", 0.0f },
dirt_on_radius { "dirt_on_radius", 0.0f },
sun { "sun", 0 }, //mxd
dome { "dome", 0 },
falloff{ "falloff", 0.0f }, //mxd
bleed { "bleed", false },
origin { "origin", 0, 0, 0 },
color { "color", 255.0f, 255.0f, 255.0f, vec3_transformer_t::NORMALIZE_COLOR_TO_255 },
mangle { "mangle", 0, 0, 0 }, // not transformed to vec
projangle { "project_mangle", 20, 0, 0 }, // not transformed to vec
project_texture { "project_texture", "" },
suntexture { "suntexture", "" }
{
VectorSet(spotvec, 0, 0, 0);
for (int i = 0; i < 16; i++) {
projectionmatrix[i] = 0;
}
}
settingsdict_t settings() {
return {{
&light, &atten, &formula, &spotangle, &spotangle2, &style, &bleed, &anglescale,
&dirtscale, &dirtgain, &dirt, &deviance, &samples, &projfov, &bouncescale,
&dirt_off_radius, &dirt_on_radius,
&sun, //mxd
&dome,
&falloff, //mxd
&origin, &color, &mangle, &projangle, &project_texture, &suntexture
}};
}
void initAABB() {
AABB_Init(mins, maxs, *origin.vec3Value());
}
void expandAABB(const vec3_t pt) {
AABB_Expand(mins, maxs, pt);
}
};
/*
* atten:
* Takes a float as a value (default 1.0).
* This reflects how fast a light fades with distance.
* For example a value of 2 will fade twice as fast, and a value of 0.5
* will fade half as fast. (Just like arghlite)
*
* mangle:
* If the entity is a light, then point the spotlight in this direction.
* If it is the worldspawn, then this is the sunlight mangle
*
* lightcolor:
* Stores the RGB values to determine the light color
*/
std::string TargetnameForLightStyle(int style);
const std::vector<light_t>& GetLights();
const std::vector<sun_t>& GetSuns();
const entdict_t *FindEntDictWithKeyPair(const std::string &key, const std::string &value);
const char *ValueForKey(const light_t *ent, const char *key);
void EntDict_VectorForKey(const entdict_t &ent, const std::string &key, vec3_t vec);
std::string EntDict_StringForKey(const entdict_t &dict, const std::string key);
float EntDict_FloatForKey(const entdict_t &dict, const std::string key);
void SetWorldKeyValue(const std::string &key, const std::string &value);
std::string WorldValueForKey(const std::string &key);
void LoadEntities(const globalconfig_t &cfg, const mbsp_t *bsp);
void SetupLights(const globalconfig_t &cfg, const mbsp_t *bsp);
bool ParseLightsFile(const char *fname);
void WriteEntitiesToString(mbsp_t *bsp);
void EstimateVisibleBoundsAtPoint(const vec3_t point, vec3_t mins, vec3_t maxs);
bool EntDict_CheckNoEmptyValues(const mbsp_t *bsp, const entdict_t &entdict);
bool EntDict_CheckTargetKeysMatched(const mbsp_t *bsp, const entdict_t &entity, const std::vector<entdict_t> &all_edicts);
bool EntDict_CheckTargetnameKeyMatched(const mbsp_t *bsp, const entdict_t &entity, const std::vector<entdict_t> &all_edicts);
std::vector<entdict_t> EntData_Parse(const char *entdata); //mxd
#endif /* __LIGHT_ENTITIES_H__ */