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>
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.
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.
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/>.
19 #include "object/unstable_tile.hpp"
21 #include "object/explosion.hpp"
22 #include "object/player.hpp"
23 #include "sprite/sprite.hpp"
24 #include "supertux/constants.hpp"
25 #include "supertux/object_factory.hpp"
27 UnstableTile::UnstableTile(const Reader& lisp) :
28 MovingSprite(lisp, LAYER_TILES, COLGROUP_STATIC),
32 sprite->set_action("normal");
36 UnstableTile::collision(GameObject& other, const CollisionHit& )
38 if(state == STATE_NORMAL) {
39 Player* player = dynamic_cast<Player*> (&other);
41 player->get_bbox().get_bottom() < get_bbox().get_top() + SHIFT_DELTA) {
45 if (dynamic_cast<Explosion*> (&other)) {
52 void UnstableTile::dissolve (void)
54 if (state != STATE_NORMAL)
57 if (sprite->has_action ("dissolve")) {
58 state = STATE_DISSOLVE;
59 this->set_action ("dissolve", /* loops = */ 1);
66 void UnstableTile::fall_down (void)
68 if ((state != STATE_NORMAL) && (state != STATE_DISSOLVE))
71 if (sprite->has_action ("fall-down")) {
73 this->set_action ("fall-down", /* loops = */ 1);
74 set_group (COLGROUP_DISABLED);
75 physic.enable_gravity (true);
83 UnstableTile::update(float elapsed_time)
91 if (sprite->animation_done())
96 if (sprite->animation_done())
99 movement = physic.get_movement (elapsed_time);