#pragma once

#include "hittable.h"

#include <memory>
#include <vector>

using std::shared_ptr;
using std::make_shared;

class hittable_list : public hittable{
    public:
        hittable_list() {}
        hittable_list(shared_ptr<hittable> object) {objects.push_back(object);}

        void clear(){objects.clear();}
        void add(shared_ptr<hittable> object){objects.push_back(object);}

        virtual bool hit (const ray& r, double t_min, double t_max, hit_record& rec) const override;

    public:
        std::vector<shared_ptr<hittable>> objects;
};


bool hittable_list::hit(const ray& r, double t_min, double t_max, hit_record& rec) const {
    hit_record temp_rec;
    bool hit_anything = false;
    auto closest_so_far = t_max;

    for(const auto& object : objects){
        if(object->hit(r, t_min,closest_so_far, temp_rec)){
            hit_anything = true;
            closest_so_far = temp_rec.t;
            rec = temp_rec;
        }
    }

    return hit_anything;
}