#ifndef RAY_INTERSECTION_H
#define RAY_INTERSECTION_H

#include "Common.h"
#include "Geometry/Triangle.h"
#include "Rendering/Scene.h"

typedef struct
{
    vec3s origin;
    vec3s direction;
} ray_t;

typedef struct
{
    vec3s point;
    vec3s normal;
    uint64_t triangle_id;
    float distance;
    bool hit;
} hit_result_t;

hit_result_t ray_intersect_triangle(ray_t ray, triangle_t triangle);
bool ray_intersect_aabb(ray_t ray, aabb_t aabb, float* enter_out, float* exit_out);
void ray_intersect_bvh(const ray_t ray, const bvh_node_t* bvh_nodes,
                       const uint64_t* primitive_indices, const triangle_collection_t* all_triangles, uint64_t node_index,
                       float* closest_out, hit_result_t* best_hit_out);
hit_result_t ray_intersect_scene(ray_t ray, const scene_t* scene);

#endif // RAY_INTERSECTION_H