#ifndef HYDRAPHYSICSSYSTEM
#define HYDRAPHYSICSSYSTEM

#include "../../engine/HydraObject.h"
#include "../HydraSystem.h"
#include <GLMIncludes.h>
#include <queue>

#include <box3d/box3d.h>

struct PhysicsVelocity
{
    HydraID entity_id;
    glm::vec3 velocity;
};

class HydraPhysicsSystem : public HydraSystem
{
    public:
        
        void Initialise() override;
        void Shutdown() override;
        void SetTransform(HydraID entity_id);
        void SetLinearVelocity(HydraID entity_id, glm::vec3 velocity);
        void StepPhysics(float delta_t);
        void InitialiseComponent(HydraID entity_id) override;
    protected: 
        void DestroyComponent(HydraID entity_id) override;
        virtual void UpdateSystem(float delta_t_seconds);
    private: 
        b3WorldId m_world_id;
        std::queue<HydraID> m_bodies_to_set_transform;
        std::queue<PhysicsVelocity> m_bodies_to_set_velocity;
        
};

#endif /* HYDRAPHYSICSSYSTEM */