#pragma once
#include "../matrix4x4.h"
#include "../vector3.h"

class GeomTree;
class isect_t;
class CollisionContact;

class Geom {
public:
  Geom(GeomTree*);
  void MoveTo(const matrix4x4d& m);
  void MoveTo(const matrix4x4d& m, const vector3d pos);
  const matrix4x4d& GetInvTransform(void) { return m_invOrient; }
  const matrix4x4d& GetTransform(void) { return m_orient[m_orientIdx]; }
  void Enable(void) { m_active = true; }
  void Disable(void) {m_active = false; }
  bool IsEnabled(void) { return m_active; }
  GeomTree* GetGeomTree(void) { return m_geomtree; }
  void Collide(Geom* b, void(*callback)(CollisionContact*));
  void SetUserData(void* d) { m_data = d; }
  void* GetUserData(void) { return m_data; }
private:
  /* double-buffer position so we can keep previous position. */
  matrix4x4d m_orient[2], m_invOrient;
  int m_orientIdx;
  bool m_active;
  GeomTree* m_geomtree;
  void* m_data;
};