1// SuperTux
2// Copyright (C) 2018 Ingo Ruhnke <grumbel@gmail.com>
3//
4// This program is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8//
9// This program is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12// GNU General Public License for more details.
13//
14// You should have received a copy of the GNU General Public License
15// along with this program. If not, see <http://www.gnu.org/licenses/>.
16
17#ifndef HEADER_SUPERTUX_COLLISION_COLLISION_LISTENER_HPP
18#define HEADER_SUPERTUX_COLLISION_COLLISION_LISTENER_HPP
19
20class CollisionHit;
21class GameObject;
22
23class CollisionListener
24{
25public:
26 virtual ~CollisionListener() {}
27
28 /** this function is called when the object collided with something solid */
29 virtual void collision_solid(const CollisionHit& /*hit*/) = 0;
30
31 /** when 2 objects collided, we will first call the
32 pre_collision_check functions of both objects that can decide on
33 how to react to the collision. */
34 virtual bool collides(GameObject& /*other*/, const CollisionHit& /*hit*/) const = 0;
35
36 /** this function is called when the object collided with any other object */
37 virtual HitResponse collision(GameObject& other, const CollisionHit& hit) = 0;
38
39 /** called when tiles with special attributes have been touched */
40 virtual void collision_tile(uint32_t /*tile_attributes*/) = 0;
41
42 virtual bool listener_is_valid() const = 0;
43};
44
45#endif
46
47/* EOF */
48