Raytrack/scene.h at master · KipJM/Raytrack · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
//

#ifndef RAYTRACINGWEEKEND_SCENE_H
#define RAYTRACINGWEEKEND_SCENE_H
#include "bvh.h"
#include "camera.h"
#include "hittable_list.h"
#include "texture.h"


class scene
{
public:
	camera s_camera;

	std::vector<shared_ptr<hittable>> objects;
	std::vector<shared_ptr<material>> materials;
	std::vector<shared_ptr<texture>> textures;
	hittable_list world;

	void update()
	{
		if (dirty)
		{
			// Regenerate BVH
			bvh_cache = bvh_node(world);
			dirty = false;
		}

	}

	bool mark_dirty()
	{
		auto prev_dirty = dirty;
		dirty = true;
		return prev_dirty;
	}

	[[nodiscard]] bool is_dirty() const
	{
		return dirty;
	}

	hittable& get_render_scene()
	{
		if (dirty)
			update();

		return bvh_cache;
	}

private:
	bool dirty = true;
	bvh_node bvh_cache;
};


#endif //RAYTRACINGWEEKEND_SCENE_H