1 #ifndef TINYGI_H_

2 #define TINYGI_H_

3

4 struct tgi_vec3 { float x, y, z; };

5

6 struct tinygi;

7 struct tgi_object;

8 struct tgi_shape;

9 struct tgi_material;

10

11 struct tinygi *tgi_init(void);

12 void tgi_destroy(struct tinygi *tgi);

13

14 void tgi_clear_scene(struct tinygi *tgi);

15 int tgi_load_scene(struct tinygi *tgi, const char *fname);

16 /* tinygi takes ownership of added objects */

17 void tgi_add_object(struct tinygi *tgi, struct tgi_object *o);

18 int tgi_remove_object(struct tinygi *tgi, struct tgi_object *o);

19

20 struct tgi_object *tgi_find_object(struct tinygi *tgi, const char *name);

21 struct tgi_object *tgi_get_object(struct tinygi *tgi, int idx);

22 int tgi_get_object_count(struct tinygi *tgi);

23

24 /* shapes */

25 struct tgi_shape *tgi_create_sphere(float x, float y, float z, float rad);

26 struct tgi_shape *tgi_create_box(float x0, float y0, float z0, float x1, float y1, float z1);

27 void tgi_destroy_shape(struct tgi_shape *s);

28

29 /* objects */

30 /* name can be null, in which case it's automatically generated */

31 struct tgi_object *tgi_create_object(const char *name);

32 void tgi_destroy_object(struct tgi_object *o);

33 /* object takes ownership of the shape */

34 void tgi_set_object_shape(struct tgi_object *o, struct tgi_shape *s);

35 /* object takes ownership of the material */

36 void tgi_set_object_mtl(struct tgi_object *o, struct tgi_material *m);

37

38 /* mat should point to an array of 16 floats (4x4 homogeneous transformation matrix) */

39 void tgi_load_matrix(struct tgi_object *o, const float *mat);

40 void tgi_mult_matrix(struct tgi_object *o, const float *mat);

41 void tgi_load_identity(struct tgi_object *o);

42 void tgi_translate(struct tgi_object *o, float x, float y, float z);

43 void tgi_rotate(struct tgi_object *o, float angle, float x, float y, float z);

44 void tgi_scale(struct tgi_object *o, float x, float y, float z);

45 void tgi_lookat(struct tgi_object *o, float x, float y, float z,

46 float tx, float ty, float tz, float ux, float uy, float uz);

47

48 /* materials */

49 struct tgi_material *tgi_create_material(void);

50 void tgi_destroy_material(struct tgi_material *mtl);

51 /* TODO */

52

53 #endif /* TINYGI_H_ */