#pragma once
#include <list>
#include "vector3.h"
#include "star_system.h"

class Body;
class Frame;

/* The place all the 'Body's exist in. */
class Space {
public:
  static void Init(void);
  static void Clear(void);
  static void BuildSystem(StarSystem* s);
  static void GenBody(StarSystem* s, StarSystem::SBody* b, Frame* f);
  static void TimeStep(float step);
  static void AddBody(Body*);
  static void KillBody(Body*);
  static void Render(const Frame* cam_frame);
  static Frame* GetRootFrame(void) { return rootFrame; }

  static dWorldID world;
  static std::list<Body*> bodies;
  typedef std::list<Body*>::iterator bodiesIter_t;
private:
  static void UpdateFramesOfReference(void);
  static void CollideFrame(Frame* f);
  static void PruneCorpses(void);
  static Frame* rootFrame;
  //static std::list<Frame*> rootFrames;
  static std::list<Body*> corpses;
};