1 #ifndef SCENE_H_

2 #define SCENE_H_

3

4 #include <vector>

5 #include "object.h"

6 #include "light.h"

7 #include "camera.h"

8 #include "texture.h"

9

10 class Scene {

11 protected:

12 std::vector<Object*> objects;

13 std::vector<Light*> lights;

14 Camera *camera;

15

16 static TargetCamera def_cam; // default camera

17

18 Color bgcolor;

19 TextureCube *envmap, *envmap_conv;

20 float fog_start, fog_end;

21

22 public:

23 Scene();

24 virtual ~Scene();

25

26 virtual bool load(const char *fname);

27 virtual bool save(const char *fname) const;

28

29 virtual void set_background_color(const Color &color);

30 virtual void set_fog(float fog_start, float fog_end);

31 virtual void get_fog(float *fog_start, float *fog_end) const;

32

33 virtual void set_environment_map(TextureCube *map, TextureCube *map_conv = 0);

34

35 virtual void add_object(Object *obj);

36 virtual Object *get_object(int i) const;

37 virtual int get_object_count() const;

38

39 virtual void add_light(Light *lt);

40 virtual Light *get_light(int i) const;

41 virtual int get_light_count() const;

42

43 virtual void set_camera(Camera *cam);

44 virtual Camera *get_camera() const;

45

46 virtual bool intersect(const Ray &ray, HitPoint *hit) const;

47

48 virtual Color env_color(const Ray &ray) const;

49

50 virtual void prepare_xform(long msec);

51

52 friend Color trace_ray(const Scene *scn, const Ray &ray, int rdepth);

53 friend Color shade(const Scene *scn, const Ray &ray, const HitPoint &hit, int rdepth);

54 };

55

56 #endif // SCENE_H_