2 RetroRay - integrated standalone vintage modeller/renderer
3 Copyright (C) 2023 John Tsiombikas <nuclear@mutantstargoat.com>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <https://www.gnu.org/licenses/>.
21 #include "cgmath/cgmath.h"
30 #define OBJ_COMMON_ATTR \
33 cgm_vec3 pos, scale, pivot; \
35 float xform[16], inv_xform[16]; \
51 struct object *subobj; /* darr */
57 cgm_vec3 color, orig_color;
62 struct object **objects; /* darr */
63 struct light **lights;
64 struct material **mtl; /* darr */
67 struct rayhit; /* declared in rt.h */
69 struct scene *create_scene(void);
70 void free_scene(struct scene *scn);
72 int scn_add_object(struct scene *scn, struct object *obj);
73 int scn_rm_object(struct scene *scn, int idx);
74 int scn_num_objects(const struct scene *scn);
75 int scn_object_index(const struct scene *scn, const struct object *obj);
77 int scn_add_material(struct scene *scn, struct material *mtl);
78 int scn_rm_material(struct scene *scn, struct material *mtl);
79 int scn_num_materials(const struct scene *scn);
80 int scn_material_index(const struct scene *scn, const struct material *mtl);
81 struct material *scn_find_material(const struct scene *scn, const char *mname);
83 int scn_add_light(struct scene *scn, struct light *mtl);
84 int scn_rm_light(struct scene *scn, struct light *mtl);
85 int scn_num_lights(const struct scene *scn);
86 int scn_light_index(const struct scene *scn, const struct light *mtl);
87 struct light *scn_find_light(const struct scene *scn, const char *mname);
89 int scn_intersect(const struct scene *scn, const cgm_ray *ray, struct rayhit *hit);
92 struct object *create_object(int type);
93 void free_object(struct object *obj);
95 int set_object_name(struct object *obj, const char *name);
97 void calc_object_matrix(struct object *obj);
100 struct light *create_light(void);
101 void free_light(struct light *lt);
103 int set_light_name(struct light *lt, const char *name);
104 void set_light_color(struct light *lt, float r, float g, float b);
105 void set_light_energy(struct light *lt, float e);
107 #endif /* SCENE_H_ */