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material.h
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material.h
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/*
Copyright (C) 2010 Jeremy Van Grinsven
Author: Jeremy Van Grinsven
This file is part of Spacenerds In Space.
Spacenerds in Space 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.
Spacenerds in Space 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 Spacenerds in Space; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef MATERIAL_H__
#define MATERIAL_H__
struct mesh;
union quat;
struct sng_color;
struct material;
struct entity;
#define MATERIAL_COLOR 0
#define MATERIAL_COLOR_BY_W 1
#define MATERIAL_LASER 2
#define MATERIAL_TEXTURE_MAPPED 4
#define MATERIAL_TEXTURE_CUBEMAP 5
#define MATERIAL_NEBULA 6
#define MATERIAL_TEXTURE_MAPPED_UNLIT 7
#define MATERIAL_TEXTURED_PARTICLE 8
#define MATERIAL_TEXTURED_PLANET 9
#define MATERIAL_TEXTURED_PLANET_RING 10
#define MATERIAL_WIREFRAME_SPHERE_CLIP 11
#define MATERIAL_POINT_CLOUD_INTENSITY_NOISE 12
#define MATERIAL_TEXTURED_SHIELD 13
#define MATERIAL_ATMOSPHERE 14
#define MATERIAL_BILLBOARD_TYPE_NONE 0
#define MATERIAL_BILLBOARD_TYPE_SCREEN 1
#define MATERIAL_BILLBOARD_TYPE_SPHERICAL 2
#define MATERIAL_BILLBOARD_TYPE_AXIS 3
struct material_color_by_w {
int near_color;
int center_color;
int far_color;
float near_w;
float center_w;
float far_w;
};
struct material_texture_mapped {
int texture_id;
int emit_texture_id;
};
struct material_texture_mapped_unlit {
int texture_id;
int do_cullface;
int do_blend;
float alpha;
struct sng_color tint;
};
struct material_texture_cubemap {
int texture_id;
int do_cullface;
int do_blend;
float alpha;
struct sng_color tint;
};
#define MATERIAL_NEBULA_NPLANES 6
struct material_nebula {
int texture_id[MATERIAL_NEBULA_NPLANES];
union quat orientation[MATERIAL_NEBULA_NPLANES];
float alpha;
struct sng_color tint;
};
struct material_textured_particle {
int texture_id;
float radius;
float time_base;
};
struct material_textured_planet_ring {
int texture_id;
float alpha;
float texture_v;
#define MAX_RING_RADIUS 4.0f
#define MIN_RING_RADIUS 1.0f
float inner_radius;
float outer_radius;
struct sng_color tint;
};
struct material_textured_planet {
int texture_id;
int normalmap_id;
struct material *ring_material;
};
struct material_textured_shield {
int texture_id;
};
struct material_atmosphere {
float r, g, b, scale;
};
struct material_wireframe_sphere_clip {
struct entity *center;
float radius;
float radius_fade;
};
struct material {
__extension__ union {
struct material_color_by_w color_by_w;
struct material_texture_mapped texture_mapped;
struct material_texture_mapped_unlit texture_mapped_unlit;
struct material_texture_cubemap texture_cubemap;
struct material_nebula nebula;
struct material_textured_particle textured_particle;
struct material_textured_planet textured_planet;
struct material_textured_shield textured_shield;
struct material_textured_planet_ring textured_planet_ring;
struct material_wireframe_sphere_clip wireframe_sphere_clip;
struct material_atmosphere atmosphere;
};
int type;
int billboard_type;
};
extern void material_init_texture_mapped(struct material *m);
extern void material_init_texture_mapped_unlit(struct material *m);
extern void material_init_texture_cubemap(struct material *m);
extern void material_init_nebula(struct material *m);
extern void material_init_textured_particle(struct material *m);
extern void material_init_textured_planet(struct material *m);
extern void material_init_textured_shield(struct material *m);
extern void material_init_textured_planet_ring(struct material *m);
extern void material_init_wireframe_sphere_clip(struct material *m);
extern void material_init_atmosphere(struct material *m);
extern int material_nebula_read_from_file(const char *asset_dir, const char *filename,
struct material *nebula);
extern int material_nebula_write_to_file(const char *asset_dir, const char *filename,
struct material *nebula);
#endif