1// SuperTux - Unstable Tile
2// Copyright (C) 2006 Matthias Braun <matze@braunis.de>
3// Copyright (C) 2006 Christoph Sommer <christoph.sommer@2006.expires.deltadevelopment.de>
4// Copyright (C) 2010 Florian Forster <supertux at octo.it>
5//
6// This program is free software: you can redistribute it and/or modify
7// it under the terms of the GNU General Public License as published by
8// the Free Software Foundation, either version 3 of the License, or
9// (at your option) any later version.
10//
11// This program is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14// GNU General Public License for more details.
15//
16// You should have received a copy of the GNU General Public License
17// along with this program. If not, see <http://www.gnu.org/licenses/>.
18
19#ifndef HEADER_SUPERTUX_OBJECT_UNSTABLE_TILE_HPP
20#define HEADER_SUPERTUX_OBJECT_UNSTABLE_TILE_HPP
21
22#include "object/moving_sprite.hpp"
23#include "supertux/physic.hpp"
24
25/** A block that disintegrates when stood on */
26class UnstableTile final : public MovingSprite
27{
28public:
29 UnstableTile(const ReaderMapping& mapping);
30
31 virtual HitResponse collision(GameObject& other, const CollisionHit& hit) override;
32 virtual void update(float dt_sec) override;
33 virtual std::string get_class() const override { return "unstable_tile"; }
34 virtual std::string get_display_name() const override { return _("Unstable Tile"); }
35
36private:
37 enum State {
38 STATE_NORMAL, /**< default state */
39 STATE_SHAKE, /**< shaking, still solid */
40 STATE_DISSOLVE, /**< dissolving, will turn non-solid after this */
41 STATE_SLOWFALL, /**< slow fall phase (used when neither shaking nor dissolving exist */
42 STATE_FALL /**< falling down */
43 };
44
45private:
46 void startCrumbling();
47 void shake();
48 void dissolve();
49 void fall_down();
50 void slow_fall();
51
52private:
53 Physic physic;
54 State state;
55 float slowfall_timer;
56
57private:
58 UnstableTile(const UnstableTile&) = delete;
59 UnstableTile& operator=(const UnstableTile&) = delete;
60};
61
62#endif
63
64/* EOF */
65