collision_object.hpp

//  SuperTux
//  Copyright (C) 2006 Matthias Braun <matze@braunis.de>
//                2018 Ingo Ruhnke <grumbel@gmail.com>
//
//  This program is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program.  If not, see <http://www.gnu.org/licenses/>.

#ifndef HEADER_SUPERTUX_COLLISION_COLLISION_OBJECT_HPP
#define HEADER_SUPERTUX_COLLISION_COLLISION_OBJECT_HPP

#include <stdint.h>
#include <memory>
#include <unordered_set>

#include "collision/collision_group.hpp"
#include "collision/collision_hit.hpp"
#include "math/rectf.hpp"

class CollisionListener;
class CollisionGroundMovementManager;
class GameObject;

class CollisionObject
{
  friend class CollisionSystem;

public:
  CollisionObject(CollisionGroup group, CollisionListener& parent);

  void collision_solid(const CollisionHit& hit);

  bool collides(CollisionObject& other, const CollisionHit& hit) const;

  HitResponse collision(CollisionObject& other, const CollisionHit& hit);

  void collision_tile(uint32_t tile_attributes);

  void collision_moving_object_bottom(CollisionObject& other);

  void notify_object_removal(CollisionObject* other);

  void set_ground_movement_manager(const std::shared_ptr<CollisionGroundMovementManager>& movement_manager)
  {
    m_ground_movement_manager = movement_manager;
  }

  void clear_bottom_collision_list();

  bool is_unisolid() const { return m_unisolid; }
  void set_unisolid(bool unisolid) { m_unisolid = unisolid; }

  const Rectf& get_bbox() const
  {
    return m_bbox;
  }

  void set_movement(const Vector& movement)
  {
    m_movement = movement;
  }

  void propagate_movement(const Vector& movement);

  const Vector& get_movement() const
  {
    return m_movement;
  }

  void set_pos(const Vector& pos)
  {
    m_dest.move(pos - get_pos());
    m_bbox.set_pos(pos);
  }

  Vector get_pos() const
  {
    return m_bbox.p1();
  }

  Vector get_pressure() const
  {
    return m_pressure;
  }

  void move_to(const Vector& pos)
  {
    set_pos(pos);
  }

  void set_width(float w)
  {
    m_dest.set_width(w);
    m_bbox.set_width(w);
  }

  void set_size(float w, float h)
  {
    m_dest.set_size(w, h);
    m_bbox.set_size(w, h);
  }

  CollisionGroup get_group() const
  {
    return m_group;
  }

  bool is_valid() const;

  CollisionListener& get_listener()
  {
    return m_listener;
  }

private:
  CollisionListener& m_listener;

public:
  Rectf m_bbox;

  CollisionGroup m_group;

private:
  Vector m_movement;

  Rectf m_dest;

  bool m_unisolid;

  Vector m_pressure;

  std::unordered_set<CollisionObject*> m_objects_hit_bottom;

  std::shared_ptr<CollisionGroundMovementManager> m_ground_movement_manager;

private:
  CollisionObject(const CollisionObject&) = delete;
  CollisionObject& operator=(const CollisionObject&) = delete;
};

#endif

/* EOF */