shooter/engine/World.h

//
// Created by Иван Ильин on 13.01.2021.
//

#ifndef ENGINE_WORLD_H
#define ENGINE_WORLD_H

#include <map>
#include "Camera.h"
#include "Screen.h"
#include "physics/RigidBody.h"

struct IntersectionInformation final {
    const Vec3D pointOfIntersection;
    const double distanceToObject;
    const Triangle intersectedTriangle;
    const ObjectNameTag objectName;
    const std::shared_ptr<RigidBody> obj;
    const bool intersected;
};

class World final {
private:
    std::map<ObjectNameTag, std::shared_ptr<RigidBody>> _objects;
public:
    World() = default;

    void checkCollision(const ObjectNameTag& tag);
    void update();

    void addBody(std::shared_ptr<RigidBody> mesh, const ObjectNameTag& tag);
    std::shared_ptr<RigidBody> body(const ObjectNameTag& tag);
    void removeBody(const ObjectNameTag& tag);
    void loadBody(const ObjectNameTag& tag, const std::string &filename, const Vec3D& scale = Vec3D{1, 1, 1});

    // std::string skipTags is a string that consist of all objects we want to skip in ray casting
    IntersectionInformation rayCast(const Vec3D& from, const Vec3D& to, const std::string& skipTags = "");

    void loadMap(const std::string& filename, const Vec3D & scale = Vec3D{1, 1, 1});

    std::map<ObjectNameTag, std::shared_ptr<RigidBody>>::iterator begin() { return _objects.begin(); }
    std::map<ObjectNameTag, std::shared_ptr<RigidBody>>::iterator end() { return _objects.end(); }
};


#endif //INC_3DZAVR_WORLD_H